From 6258a3e657cee513663fd50825b72b83aa878f6f Mon Sep 17 00:00:00 2001 From: Michael Bien Date: Sat, 27 Mar 2010 23:26:19 +0100 Subject: refactoring part 2 (glu package): renamed com.sun.opengl -> com.jogamp.opengl. --- .../com/jogamp/opengl/impl/glu/GLUquadricImpl.java | 1212 ++++++++++ .../classes/com/jogamp/opengl/impl/glu/Glue.java | 114 + .../com/jogamp/opengl/impl/glu/error/Error.java | 100 + .../opengl/impl/glu/gl2/nurbs/GL2Backend.java | 49 + .../impl/glu/gl2/nurbs/GL2CurveEvaluator.java | 205 ++ .../impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java | 217 ++ .../opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java | 862 +++++++ .../jogamp/opengl/impl/glu/mipmap/BuildMipmap.java | 1598 +++++++++++++ .../com/jogamp/opengl/impl/glu/mipmap/Extract.java | 56 + .../opengl/impl/glu/mipmap/Extract1010102.java | 97 + .../opengl/impl/glu/mipmap/Extract1555rev.java | 97 + .../opengl/impl/glu/mipmap/Extract2101010rev.java | 97 + .../opengl/impl/glu/mipmap/Extract233rev.java | 85 + .../jogamp/opengl/impl/glu/mipmap/Extract332.java | 84 + .../jogamp/opengl/impl/glu/mipmap/Extract4444.java | 96 + .../opengl/impl/glu/mipmap/Extract4444rev.java | 97 + .../jogamp/opengl/impl/glu/mipmap/Extract5551.java | 97 + .../jogamp/opengl/impl/glu/mipmap/Extract565.java | 92 + .../opengl/impl/glu/mipmap/Extract565rev.java | 92 + .../jogamp/opengl/impl/glu/mipmap/Extract8888.java | 97 + .../opengl/impl/glu/mipmap/Extract8888rev.java | 97 + .../opengl/impl/glu/mipmap/ExtractFloat.java | 74 + .../opengl/impl/glu/mipmap/ExtractPrimitive.java | 56 + .../opengl/impl/glu/mipmap/ExtractSByte.java | 69 + .../jogamp/opengl/impl/glu/mipmap/ExtractSInt.java | 76 + .../opengl/impl/glu/mipmap/ExtractSShort.java | 76 + .../opengl/impl/glu/mipmap/ExtractUByte.java | 70 + .../jogamp/opengl/impl/glu/mipmap/ExtractUInt.java | 76 + .../opengl/impl/glu/mipmap/ExtractUShort.java | 76 + .../jogamp/opengl/impl/glu/mipmap/HalveImage.java | 1533 ++++++++++++ .../com/jogamp/opengl/impl/glu/mipmap/Image.java | 1413 +++++++++++ .../com/jogamp/opengl/impl/glu/mipmap/Mipmap.java | 867 +++++++ .../opengl/impl/glu/mipmap/PixelStorageModes.java | 426 ++++ .../opengl/impl/glu/mipmap/ScaleInternal.java | 2447 ++++++++++++++++++++ .../jogamp/opengl/impl/glu/mipmap/Type_Widget.java | 224 ++ .../com/jogamp/opengl/impl/glu/nurbs/Arc.java | 258 +++ .../opengl/impl/glu/nurbs/ArcSdirSorter.java | 63 + .../opengl/impl/glu/nurbs/ArcTdirSorter.java | 60 + .../opengl/impl/glu/nurbs/ArcTesselator.java | 90 + .../com/jogamp/opengl/impl/glu/nurbs/Backend.java | 217 ++ .../jogamp/opengl/impl/glu/nurbs/BezierArc.java | 44 + .../com/jogamp/opengl/impl/glu/nurbs/Bin.java | 155 ++ .../com/jogamp/opengl/impl/glu/nurbs/Breakpt.java | 59 + .../jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java | 194 ++ .../opengl/impl/glu/nurbs/CArrayOfBreakpts.java | 130 ++ .../opengl/impl/glu/nurbs/CArrayOfFloats.java | 195 ++ .../opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java | 160 ++ .../com/jogamp/opengl/impl/glu/nurbs/Curve.java | 238 ++ .../opengl/impl/glu/nurbs/CurveEvaluator.java | 86 + .../jogamp/opengl/impl/glu/nurbs/Curvelist.java | 121 + .../jogamp/opengl/impl/glu/nurbs/DisplayList.java | 56 + .../com/jogamp/opengl/impl/glu/nurbs/Flist.java | 130 ++ .../com/jogamp/opengl/impl/glu/nurbs/Knotspec.java | 557 +++++ .../jogamp/opengl/impl/glu/nurbs/Knotvector.java | 179 ++ .../com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java | 442 ++++ .../com/jogamp/opengl/impl/glu/nurbs/Maplist.java | 122 + .../jogamp/opengl/impl/glu/nurbs/NurbsConsts.java | 184 ++ .../com/jogamp/opengl/impl/glu/nurbs/O_curve.java | 63 + .../jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java | 80 + .../opengl/impl/glu/nurbs/O_nurbssurface.java | 79 + .../jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java | 44 + .../jogamp/opengl/impl/glu/nurbs/O_surface.java | 52 + .../com/jogamp/opengl/impl/glu/nurbs/O_trim.java | 44 + .../com/jogamp/opengl/impl/glu/nurbs/Patch.java | 54 + .../jogamp/opengl/impl/glu/nurbs/Patchlist.java | 145 ++ .../com/jogamp/opengl/impl/glu/nurbs/Property.java | 75 + .../com/jogamp/opengl/impl/glu/nurbs/Pspec.java | 47 + .../com/jogamp/opengl/impl/glu/nurbs/PwlArc.java | 71 + .../com/jogamp/opengl/impl/glu/nurbs/Quilt.java | 282 +++ .../jogamp/opengl/impl/glu/nurbs/Quiltspec.java | 85 + .../com/jogamp/opengl/impl/glu/nurbs/README.txt | 59 + .../jogamp/opengl/impl/glu/nurbs/Renderhints.java | 128 + .../jogamp/opengl/impl/glu/nurbs/Splinespec.java | 204 ++ .../jogamp/opengl/impl/glu/nurbs/Subdivider.java | 1167 ++++++++++ .../opengl/impl/glu/nurbs/SurfaceEvaluator.java | 111 + .../jogamp/opengl/impl/glu/nurbs/TrimVertex.java | 56 + .../jogamp/opengl/impl/glu/registry/Registry.java | 79 + .../opengl/impl/glu/tessellator/ActiveRegion.java | 69 + .../opengl/impl/glu/tessellator/CachedVertex.java | 58 + .../jogamp/opengl/impl/glu/tessellator/Dict.java | 140 ++ .../opengl/impl/glu/tessellator/DictNode.java | 59 + .../opengl/impl/glu/tessellator/GLUface.java | 65 + .../opengl/impl/glu/tessellator/GLUhalfEdge.java | 71 + .../opengl/impl/glu/tessellator/GLUmesh.java | 60 + .../impl/glu/tessellator/GLUtessellatorImpl.java | 646 ++++++ .../opengl/impl/glu/tessellator/GLUvertex.java | 65 + .../jogamp/opengl/impl/glu/tessellator/Geom.java | 338 +++ .../jogamp/opengl/impl/glu/tessellator/Mesh.java | 734 ++++++ .../jogamp/opengl/impl/glu/tessellator/Normal.java | 288 +++ .../opengl/impl/glu/tessellator/PriorityQ.java | 100 + .../opengl/impl/glu/tessellator/PriorityQHeap.java | 262 +++ .../opengl/impl/glu/tessellator/PriorityQSort.java | 278 +++ .../jogamp/opengl/impl/glu/tessellator/Render.java | 557 +++++ .../jogamp/opengl/impl/glu/tessellator/Sweep.java | 1353 +++++++++++ .../opengl/impl/glu/tessellator/TessMono.java | 241 ++ .../opengl/impl/glu/tessellator/TessState.java | 59 + .../com/sun/opengl/impl/glu/GLUquadricImpl.java | 1212 ---------- src/jogl/classes/com/sun/opengl/impl/glu/Glue.java | 114 - .../com/sun/opengl/impl/glu/error/Error.java | 100 - .../sun/opengl/impl/glu/gl2/nurbs/GL2Backend.java | 49 - .../impl/glu/gl2/nurbs/GL2CurveEvaluator.java | 205 -- .../impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java | 217 -- .../opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java | 862 ------- .../sun/opengl/impl/glu/mipmap/BuildMipmap.java | 1598 ------------- .../com/sun/opengl/impl/glu/mipmap/Extract.java | 56 - .../sun/opengl/impl/glu/mipmap/Extract1010102.java | 97 - .../sun/opengl/impl/glu/mipmap/Extract1555rev.java | 97 - .../opengl/impl/glu/mipmap/Extract2101010rev.java | 97 - .../sun/opengl/impl/glu/mipmap/Extract233rev.java | 85 - .../com/sun/opengl/impl/glu/mipmap/Extract332.java | 84 - .../sun/opengl/impl/glu/mipmap/Extract4444.java | 96 - .../sun/opengl/impl/glu/mipmap/Extract4444rev.java | 97 - .../sun/opengl/impl/glu/mipmap/Extract5551.java | 97 - .../com/sun/opengl/impl/glu/mipmap/Extract565.java | 92 - .../sun/opengl/impl/glu/mipmap/Extract565rev.java | 92 - .../sun/opengl/impl/glu/mipmap/Extract8888.java | 97 - .../sun/opengl/impl/glu/mipmap/Extract8888rev.java | 97 - .../sun/opengl/impl/glu/mipmap/ExtractFloat.java | 74 - .../opengl/impl/glu/mipmap/ExtractPrimitive.java | 56 - .../sun/opengl/impl/glu/mipmap/ExtractSByte.java | 69 - .../sun/opengl/impl/glu/mipmap/ExtractSInt.java | 76 - .../sun/opengl/impl/glu/mipmap/ExtractSShort.java | 76 - .../sun/opengl/impl/glu/mipmap/ExtractUByte.java | 70 - .../sun/opengl/impl/glu/mipmap/ExtractUInt.java | 76 - .../sun/opengl/impl/glu/mipmap/ExtractUShort.java | 76 - .../com/sun/opengl/impl/glu/mipmap/HalveImage.java | 1533 ------------ .../com/sun/opengl/impl/glu/mipmap/Image.java | 1413 ----------- .../com/sun/opengl/impl/glu/mipmap/Mipmap.java | 867 ------- .../opengl/impl/glu/mipmap/PixelStorageModes.java | 426 ---- .../sun/opengl/impl/glu/mipmap/ScaleInternal.java | 2447 -------------------- .../sun/opengl/impl/glu/mipmap/Type_Widget.java | 224 -- .../classes/com/sun/opengl/impl/glu/nurbs/Arc.java | 258 --- .../sun/opengl/impl/glu/nurbs/ArcSdirSorter.java | 63 - .../sun/opengl/impl/glu/nurbs/ArcTdirSorter.java | 60 - .../sun/opengl/impl/glu/nurbs/ArcTesselator.java | 90 - .../com/sun/opengl/impl/glu/nurbs/Backend.java | 217 -- .../com/sun/opengl/impl/glu/nurbs/BezierArc.java | 44 - .../classes/com/sun/opengl/impl/glu/nurbs/Bin.java | 155 -- .../com/sun/opengl/impl/glu/nurbs/Breakpt.java | 59 - .../sun/opengl/impl/glu/nurbs/CArrayOfArcs.java | 194 -- .../opengl/impl/glu/nurbs/CArrayOfBreakpts.java | 130 -- .../sun/opengl/impl/glu/nurbs/CArrayOfFloats.java | 195 -- .../opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java | 160 -- .../com/sun/opengl/impl/glu/nurbs/Curve.java | 238 -- .../sun/opengl/impl/glu/nurbs/CurveEvaluator.java | 86 - .../com/sun/opengl/impl/glu/nurbs/Curvelist.java | 121 - .../com/sun/opengl/impl/glu/nurbs/DisplayList.java | 56 - .../com/sun/opengl/impl/glu/nurbs/Flist.java | 130 -- .../com/sun/opengl/impl/glu/nurbs/Knotspec.java | 557 ----- .../com/sun/opengl/impl/glu/nurbs/Knotvector.java | 179 -- .../com/sun/opengl/impl/glu/nurbs/Mapdesc.java | 442 ---- .../com/sun/opengl/impl/glu/nurbs/Maplist.java | 122 - .../com/sun/opengl/impl/glu/nurbs/NurbsConsts.java | 184 -- .../com/sun/opengl/impl/glu/nurbs/O_curve.java | 63 - .../sun/opengl/impl/glu/nurbs/O_nurbscurve.java | 80 - .../sun/opengl/impl/glu/nurbs/O_nurbssurface.java | 79 - .../com/sun/opengl/impl/glu/nurbs/O_pwlcurve.java | 44 - .../com/sun/opengl/impl/glu/nurbs/O_surface.java | 52 - .../com/sun/opengl/impl/glu/nurbs/O_trim.java | 44 - .../com/sun/opengl/impl/glu/nurbs/Patch.java | 54 - .../com/sun/opengl/impl/glu/nurbs/Patchlist.java | 145 -- .../com/sun/opengl/impl/glu/nurbs/Property.java | 75 - .../com/sun/opengl/impl/glu/nurbs/Pspec.java | 47 - .../com/sun/opengl/impl/glu/nurbs/PwlArc.java | 71 - .../com/sun/opengl/impl/glu/nurbs/Quilt.java | 282 --- .../com/sun/opengl/impl/glu/nurbs/Quiltspec.java | 85 - .../com/sun/opengl/impl/glu/nurbs/README.txt | 59 - .../com/sun/opengl/impl/glu/nurbs/Renderhints.java | 128 - .../com/sun/opengl/impl/glu/nurbs/Splinespec.java | 204 -- .../com/sun/opengl/impl/glu/nurbs/Subdivider.java | 1167 ---------- .../opengl/impl/glu/nurbs/SurfaceEvaluator.java | 111 - .../com/sun/opengl/impl/glu/nurbs/TrimVertex.java | 56 - .../com/sun/opengl/impl/glu/registry/Registry.java | 79 - .../opengl/impl/glu/tessellator/ActiveRegion.java | 69 - .../opengl/impl/glu/tessellator/CachedVertex.java | 58 - .../com/sun/opengl/impl/glu/tessellator/Dict.java | 140 -- .../sun/opengl/impl/glu/tessellator/DictNode.java | 59 - .../sun/opengl/impl/glu/tessellator/GLUface.java | 65 - .../opengl/impl/glu/tessellator/GLUhalfEdge.java | 71 - .../sun/opengl/impl/glu/tessellator/GLUmesh.java | 60 - .../impl/glu/tessellator/GLUtessellatorImpl.java | 646 ------ .../sun/opengl/impl/glu/tessellator/GLUvertex.java | 65 - .../com/sun/opengl/impl/glu/tessellator/Geom.java | 338 --- .../com/sun/opengl/impl/glu/tessellator/Mesh.java | 734 ------ .../sun/opengl/impl/glu/tessellator/Normal.java | 288 --- .../sun/opengl/impl/glu/tessellator/PriorityQ.java | 100 - .../opengl/impl/glu/tessellator/PriorityQHeap.java | 262 --- .../opengl/impl/glu/tessellator/PriorityQSort.java | 278 --- .../sun/opengl/impl/glu/tessellator/Render.java | 557 ----- .../com/sun/opengl/impl/glu/tessellator/Sweep.java | 1353 ----------- .../sun/opengl/impl/glu/tessellator/TessMono.java | 241 -- .../sun/opengl/impl/glu/tessellator/TessState.java | 59 - 192 files changed, 25132 insertions(+), 25132 deletions(-) create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/GLUquadricImpl.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java create mode 100644 src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt create mode 100755 src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java create mode 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Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** $Date: 2009-03-04 17:23:34 -0800 (Wed, 04 Mar 2009) $ $Revision: 1856 $ +** $Header$ +*/ + +/* + * Copyright (c) 2002-2004 LWJGL Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'LWJGL' nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + */ + +package com.jogamp.opengl.impl.glu; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; +import com.jogamp.opengl.util.ImmModeSink; +import java.nio.*; + +/** + * GLUquadricImpl.java + * + * + * Created 22-dec-2003 (originally Quadric.java) + * @author Erik Duijs + * @author Kenneth Russell, Sven Gothel + */ + +public class GLUquadricImpl implements GLUquadric { + private boolean useGLSL; + private int drawStyle; + private int orientation; + private boolean textureFlag; + private int normals; + private boolean immModeSinkEnabled; + private boolean immModeSinkImmediate; + public int normalType; + public GL gl; + + public static final boolean USE_NORM = true; + public static final boolean USE_TEXT = false; + + private ImmModeSink immModeSink=null; + + public GLUquadricImpl(GL gl, boolean useGLSL) { + this.gl=gl; + this.useGLSL = useGLSL; + drawStyle = GLU.GLU_FILL; + orientation = GLU.GLU_OUTSIDE; + textureFlag = false; + normals = GLU.GLU_SMOOTH; + normalType = gl.isGLES1()?GL.GL_BYTE:GL.GL_FLOAT; + immModeSinkImmediate=true; + immModeSinkEnabled=!gl.isGL2(); + replaceImmModeSink(); + } + + public void enableImmModeSink(boolean val) { + if(gl.isGL2()) { + immModeSinkEnabled=val; + } else { + immModeSinkEnabled=true; + } + if(null==immModeSink && immModeSinkEnabled) { + replaceImmModeSink(); + } + } + + public boolean isImmModeSinkEnabled() { + return immModeSinkEnabled; + } + + public void setImmMode(boolean val) { + if(immModeSinkEnabled) { + immModeSinkImmediate=val; + } else { + immModeSinkImmediate=true; + } + } + + public boolean getImmMode() { + return immModeSinkImmediate; + } + + public ImmModeSink replaceImmModeSink() { + if(!immModeSinkEnabled) return null; + + ImmModeSink res = immModeSink; + if(useGLSL) { + immModeSink = ImmModeSink.createGLSL (gl, GL.GL_STATIC_DRAW, 32, + 3, GL.GL_FLOAT, // vertex + 0, GL.GL_FLOAT, // color + USE_NORM?3:0, normalType,// normal + USE_TEXT?2:0, GL.GL_FLOAT); // texture + } else { + immModeSink = ImmModeSink.createFixed(gl, GL.GL_STATIC_DRAW, 32, + 3, GL.GL_FLOAT, // vertex + 0, GL.GL_FLOAT, // color + USE_NORM?3:0, normalType,// normal + USE_TEXT?2:0, GL.GL_FLOAT); // texture + } + return res; + } + + public void resetImmModeSink(GL gl) { + if(immModeSinkEnabled) { + immModeSink.reset(gl); + } + } + + /** + * specifies the draw style for quadrics. + * + * The legal values are as follows: + * + * GLU.FILL: Quadrics are rendered with polygon primitives. The polygons + * are drawn in a counterclockwise fashion with respect to + * their normals (as defined with glu.quadricOrientation). + * + * GLU.LINE: Quadrics are rendered as a set of lines. + * + * GLU.SILHOUETTE: Quadrics are rendered as a set of lines, except that edges + * separating coplanar faces will not be drawn. + * + * GLU.POINT: Quadrics are rendered as a set of points. + * + * @param drawStyle The drawStyle to set + */ + public void setDrawStyle(int drawStyle) { + this.drawStyle = drawStyle; + } + + /** + * specifies what kind of normals are desired for quadrics. + * The legal values are as follows: + * + * GLU.NONE: No normals are generated. + * + * GLU.FLAT: One normal is generated for every facet of a quadric. + * + * GLU.SMOOTH: One normal is generated for every vertex of a quadric. This + * is the default. + * + * @param normals The normals to set + */ + public void setNormals(int normals) { + this.normals = normals; + } + + /** + * specifies what kind of orientation is desired for. + * The orientation values are as follows: + * + * GLU.OUTSIDE: Quadrics are drawn with normals pointing outward. + * + * GLU.INSIDE: Normals point inward. The default is GLU.OUTSIDE. + * + * Note that the interpretation of outward and inward depends on the quadric + * being drawn. + * + * @param orientation The orientation to set + */ + public void setOrientation(int orientation) { + this.orientation = orientation; + } + + /** + * specifies if texture coordinates should be generated for + * quadrics rendered with qobj. If the value of textureCoords is true, + * then texture coordinates are generated, and if textureCoords is false, + * they are not.. The default is false. + * + * The manner in which texture coordinates are generated depends upon the + * specific quadric rendered. + * + * @param textureFlag The textureFlag to set + */ + public void setTextureFlag(boolean textureFlag) { + this.textureFlag = textureFlag; + } + + /** + * Returns the drawStyle. + * @return int + */ + public int getDrawStyle() { + return drawStyle; + } + + /** + * Returns the normals. + * @return int + */ + public int getNormals() { + return normals; + } + + /** + * Returns the orientation. + * @return int + */ + public int getOrientation() { + return orientation; + } + + /** + * Returns the textureFlag. + * @return boolean + */ + public boolean getTextureFlag() { + return textureFlag; + } + + + /** + * draws a cylinder oriented along the z axis. The base of the + * cylinder is placed at z = 0, and the top at z=height. Like a sphere, a + * cylinder is subdivided around the z axis into slices, and along the z axis + * into stacks. + * + * Note that if topRadius is set to zero, then this routine will generate a + * cone. + * + * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then + * any generated normals point away from the z axis. Otherwise, they point + * toward the z axis. + * + * If texturing is turned on (with glu.quadricTexture), then texture + * coordinates are generated so that t ranges linearly from 0.0 at z = 0 to + * 1.0 at z = height, and s ranges from 0.0 at the +y axis, to 0.25 at the +x + * axis, to 0.5 at the -y axis, to 0.75 at the -x axis, and back to 1.0 at the + * +y axis. + * + * @param baseRadius Specifies the radius of the cylinder at z = 0. + * @param topRadius Specifies the radius of the cylinder at z = height. + * @param height Specifies the height of the cylinder. + * @param slices Specifies the number of subdivisions around the z axis. + * @param stacks Specifies the number of subdivisions along the z axis. + */ + public void drawCylinder(GL gl, float baseRadius, float topRadius, float height, int slices, int stacks) { + + float da, r, dr, dz; + float x, y, z, nz, nsign; + int i, j; + + if (orientation == GLU.GLU_INSIDE) { + nsign = -1.0f; + } else { + nsign = 1.0f; + } + + da = 2.0f * PI / slices; + dr = (topRadius - baseRadius) / stacks; + dz = height / stacks; + nz = (baseRadius - topRadius) / height; + // Z component of normal vectors + + if (drawStyle == GLU.GLU_POINT) { + glBegin(gl, GL.GL_POINTS); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + + z = 0.0f; + r = baseRadius; + for (j = 0; j <= stacks; j++) { + glVertex3f(gl, (x * r), (y * r), z); + z += dz; + r += dr; + } + } + glEnd(gl); + } else if (drawStyle == GLU.GLU_LINE || drawStyle == GLU.GLU_SILHOUETTE) { + // Draw rings + if (drawStyle == GLU.GLU_LINE) { + z = 0.0f; + r = baseRadius; + for (j = 0; j <= stacks; j++) { + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * r), (y * r), z); + } + glEnd(gl); + z += dz; + r += dr; + } + } else { + // draw one ring at each end + if (baseRadius != 0.0) { + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); + } + glEnd(gl); + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * topRadius), (y * topRadius), height); + } + glEnd(gl); + } + } + // draw length lines + glBegin(gl, GL.GL_LINES); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); + glVertex3f(gl, (x * topRadius), (y * topRadius), (height)); + } + glEnd(gl); + } else if (drawStyle == GLU.GLU_FILL) { + float ds = 1.0f / slices; + float dt = 1.0f / stacks; + float t = 0.0f; + z = 0.0f; + r = baseRadius; + for (j = 0; j < stacks; j++) { + float s = 0.0f; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (i = 0; i <= slices; i++) { + if (i == slices) { + x = sin(0.0f); + y = cos(0.0f); + } else { + x = sin((i * da)); + y = cos((i * da)); + } + if (nsign == 1.0f) { + normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); + TXTR_COORD(gl, s, t); + glVertex3f(gl, (x * r), (y * r), z); + normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); + TXTR_COORD(gl, s, t + dt); + glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); + } else { + normal3f(gl, x * nsign, y * nsign, nz * nsign); + TXTR_COORD(gl, s, t); + glVertex3f(gl, (x * r), (y * r), z); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + TXTR_COORD(gl, s, t + dt); + glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); + } + s += ds; + } // for slices + glEnd(gl); + r += dr; + t += dt; + z += dz; + } // for stacks + } + } + + /** + * renders a disk on the z = 0 plane. The disk has a radius of + * outerRadius, and contains a concentric circular hole with a radius of + * innerRadius. If innerRadius is 0, then no hole is generated. The disk is + * subdivided around the z axis into slices (like pizza slices), and also + * about the z axis into rings (as specified by slices and loops, + * respectively). + * + * With respect to orientation, the +z side of the disk is considered to be + * "outside" (see glu.quadricOrientation). This means that if the orientation + * is set to GLU.OUTSIDE, then any normals generated point along the +z axis. + * Otherwise, they point along the -z axis. + * + * If texturing is turned on (with glu.quadricTexture), texture coordinates are + * generated linearly such that where r=outerRadius, the value at (r, 0, 0) is + * (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), and at + * (0, -r, 0) it is (0.5, 0). + */ + public void drawDisk(GL gl, float innerRadius, float outerRadius, int slices, int loops) + { + float da, dr; + + /* Normal vectors */ + if (normals != GLU.GLU_NONE) { + if (orientation == GLU.GLU_OUTSIDE) { + glNormal3f(gl, 0.0f, 0.0f, +1.0f); + } + else { + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + } + } + + da = 2.0f * PI / slices; + dr = (outerRadius - innerRadius) / loops; + + switch (drawStyle) { + case GLU.GLU_FILL: + { + /* texture of a gluDisk is a cut out of the texture unit square + * x, y in [-outerRadius, +outerRadius]; s, t in [0, 1] + * (linear mapping) + */ + float dtc = 2.0f * outerRadius; + float sa, ca; + float r1 = innerRadius; + int l; + for (l = 0; l < loops; l++) { + float r2 = r1 + dr; + if (orientation == GLU.GLU_OUTSIDE) { + int s; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (s = 0; s <= slices; s++) { + float a; + if (s == slices) + a = 0.0f; + else + a = s * da; + sa = sin(a); + ca = cos(a); + TXTR_COORD(gl, 0.5f + sa * r2 / dtc, 0.5f + ca * r2 / dtc); + glVertex2f(gl, r2 * sa, r2 * ca); + TXTR_COORD(gl, 0.5f + sa * r1 / dtc, 0.5f + ca * r1 / dtc); + glVertex2f(gl, r1 * sa, r1 * ca); + } + glEnd(gl); + } + else { + int s; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (s = slices; s >= 0; s--) { + float a; + if (s == slices) + a = 0.0f; + else + a = s * da; + sa = sin(a); + ca = cos(a); + TXTR_COORD(gl, 0.5f - sa * r2 / dtc, 0.5f + ca * r2 / dtc); + glVertex2f(gl, r2 * sa, r2 * ca); + TXTR_COORD(gl, 0.5f - sa * r1 / dtc, 0.5f + ca * r1 / dtc); + glVertex2f(gl, r1 * sa, r1 * ca); + } + glEnd(gl); + } + r1 = r2; + } + break; + } + case GLU.GLU_LINE: + { + int l, s; + /* draw loops */ + for (l = 0; l <= loops; l++) { + float r = innerRadius + l * dr; + glBegin(gl, GL.GL_LINE_LOOP); + for (s = 0; s < slices; s++) { + float a = s * da; + glVertex2f(gl, r * sin(a), r * cos(a)); + } + glEnd(gl); + } + /* draw spokes */ + for (s = 0; s < slices; s++) { + float a = s * da; + float x = sin(a); + float y = cos(a); + glBegin(gl, GL.GL_LINE_STRIP); + for (l = 0; l <= loops; l++) { + float r = innerRadius + l * dr; + glVertex2f(gl, r * x, r * y); + } + glEnd(gl); + } + break; + } + case GLU.GLU_POINT: + { + int s; + glBegin(gl, GL.GL_POINTS); + for (s = 0; s < slices; s++) { + float a = s * da; + float x = sin(a); + float y = cos(a); + int l; + for (l = 0; l <= loops; l++) { + float r = innerRadius * l * dr; + glVertex2f(gl, r * x, r * y); + } + } + glEnd(gl); + break; + } + case GLU.GLU_SILHOUETTE: + { + if (innerRadius != 0.0) { + float a; + glBegin(gl, GL.GL_LINE_LOOP); + for (a = 0.0f; a < 2.0 * PI; a += da) { + float x = innerRadius * sin(a); + float y = innerRadius * cos(a); + glVertex2f(gl, x, y); + } + glEnd(gl); + } + { + float a; + glBegin(gl, GL.GL_LINE_LOOP); + for (a = 0; a < 2.0f * PI; a += da) { + float x = outerRadius * sin(a); + float y = outerRadius * cos(a); + glVertex2f(gl, x, y); + } + glEnd(gl); + } + break; + } + default: + return; + } + } + + /** + * renders a partial disk on the z=0 plane. A partial disk is similar to a + * full disk, except that only the subset of the disk from startAngle + * through startAngle + sweepAngle is included (where 0 degrees is along + * the +y axis, 90 degrees along the +x axis, 180 along the -y axis, and + * 270 along the -x axis). + * + * The partial disk has a radius of outerRadius, and contains a concentric + * circular hole with a radius of innerRadius. If innerRadius is zero, then + * no hole is generated. The partial disk is subdivided around the z axis + * into slices (like pizza slices), and also about the z axis into rings + * (as specified by slices and loops, respectively). + * + * With respect to orientation, the +z side of the partial disk is + * considered to be outside (see gluQuadricOrientation). This means that if + * the orientation is set to GLU.GLU_OUTSIDE, then any normals generated point + * along the +z axis. Otherwise, they point along the -z axis. + * + * If texturing is turned on (with gluQuadricTexture), texture coordinates + * are generated linearly such that where r=outerRadius, the value at (r, 0, 0) + * is (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), + * and at (0, -r, 0) it is (0.5, 0). + */ + public void drawPartialDisk(GL gl, + float innerRadius, + float outerRadius, + int slices, + int loops, + float startAngle, + float sweepAngle) { + int i, j, max; + float[] sinCache = new float[CACHE_SIZE]; + float[] cosCache = new float[CACHE_SIZE]; + float angle; + float x, y; + float sintemp, costemp; + float deltaRadius; + float radiusLow, radiusHigh; + float texLow = 0, texHigh = 0; + float angleOffset; + int slices2; + int finish; + + if (slices >= CACHE_SIZE) + slices = CACHE_SIZE - 1; + if (slices < 2 + || loops < 1 + || outerRadius <= 0.0f + || innerRadius < 0.0f + || innerRadius > outerRadius) { + //gluQuadricError(qobj, GLU.GLU_INVALID_VALUE); + System.err.println("PartialDisk: GLU_INVALID_VALUE"); + return; + } + + if (sweepAngle < -360.0f) + sweepAngle = 360.0f; + if (sweepAngle > 360.0f) + sweepAngle = 360.0f; + if (sweepAngle < 0) { + startAngle += sweepAngle; + sweepAngle = -sweepAngle; + } + + if (sweepAngle == 360.0f) { + slices2 = slices; + } else { + slices2 = slices + 1; + } + + /* Compute length (needed for normal calculations) */ + deltaRadius = outerRadius - innerRadius; + + /* Cache is the vertex locations cache */ + + angleOffset = startAngle / 180.0f * PI; + for (i = 0; i <= slices; i++) { + angle = angleOffset + ((PI * sweepAngle) / 180.0f) * i / slices; + sinCache[i] = sin(angle); + cosCache[i] = cos(angle); + } + + if (sweepAngle == 360.0f) { + sinCache[slices] = sinCache[0]; + cosCache[slices] = cosCache[0]; + } + + switch (normals) { + case GLU.GLU_FLAT : + case GLU.GLU_SMOOTH : + if (orientation == GLU.GLU_OUTSIDE) { + glNormal3f(gl, 0.0f, 0.0f, 1.0f); + } else { + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + } + break; + default : + case GLU.GLU_NONE : + break; + } + + switch (drawStyle) { + case GLU.GLU_FILL : + if (innerRadius == .0f) { + finish = loops - 1; + /* Triangle strip for inner polygons */ + glBegin(gl, GL.GL_TRIANGLE_FAN); + if (textureFlag) { + glTexCoord2f(gl, 0.5f, 0.5f); + } + glVertex3f(gl, 0.0f, 0.0f, 0.0f); + radiusLow = outerRadius - deltaRadius * ((float) (loops - 1) / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + if (orientation == GLU.GLU_OUTSIDE) { + for (i = slices; i >= 0; i--) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } else { + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } + glEnd(gl); + } else { + finish = loops; + } + for (j = 0; j < finish; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + radiusHigh = outerRadius - deltaRadius * ((float) (j + 1) / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + texHigh = radiusHigh / outerRadius / 2; + } + + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (i = 0; i <= slices; i++) { + if (orientation == GLU.GLU_OUTSIDE) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + + if (textureFlag) { + glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, + texHigh * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusHigh * sinCache[i], + radiusHigh * cosCache[i], + 0.0f); + } else { + if (textureFlag) { + glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, + texHigh * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusHigh * sinCache[i], + radiusHigh * cosCache[i], + 0.0f); + + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } + glEnd(gl); + } + break; + case GLU.GLU_POINT : + glBegin(gl, GL.GL_POINTS); + for (i = 0; i < slices2; i++) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + } + glEnd(gl); + break; + case GLU.GLU_LINE : + if (innerRadius == outerRadius) { + glBegin(gl, GL.GL_LINE_STRIP); + + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, sinCache[i] / 2 + 0.5f, cosCache[i] / 2 + 0.5f); + } + glVertex3f(gl, innerRadius * sinCache[i], innerRadius * cosCache[i], 0.0f); + } + glEnd(gl); + break; + } + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + glEnd(gl); + } + for (i = 0; i < slices2; i++) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + glBegin(gl, GL.GL_LINE_STRIP); + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + glEnd(gl); + } + break; + case GLU.GLU_SILHOUETTE : + if (sweepAngle < 360.0f) { + for (i = 0; i <= slices; i += slices) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + glBegin(gl, GL.GL_LINE_STRIP); + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + glEnd(gl); + } + } + for (j = 0; j <= loops; j += loops) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + glEnd(gl); + if (innerRadius == outerRadius) + break; + } + break; + default : + break; + } + } + + /** + * draws a sphere of the given radius centered around the origin. + * The sphere is subdivided around the z axis into slices and along the z axis + * into stacks (similar to lines of longitude and latitude). + * + * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then + * any normals generated point away from the center of the sphere. Otherwise, + * they point toward the center of the sphere. + + * If texturing is turned on (with glu.quadricTexture), then texture + * coordinates are generated so that t ranges from 0.0 at z=-radius to 1.0 at + * z=radius (t increases linearly along longitudinal lines), and s ranges from + * 0.0 at the +y axis, to 0.25 at the +x axis, to 0.5 at the -y axis, to 0.75 + * at the -x axis, and back to 1.0 at the +y axis. + */ + public void drawSphere(GL gl, float radius, int slices, int stacks) { + // TODO + + float rho, drho, theta, dtheta; + float x, y, z; + float s, t, ds, dt; + int i, j, imin, imax; + boolean normals; + float nsign; + + normals = (this.normals != GLU.GLU_NONE); + + if (orientation == GLU.GLU_INSIDE) { + nsign = -1.0f; + } else { + nsign = 1.0f; + } + + drho = PI / stacks; + dtheta = 2.0f * PI / slices; + + if (drawStyle == GLU.GLU_FILL) { + if (!textureFlag) { + // draw +Z end as a triangle fan + glBegin(gl, GL.GL_TRIANGLE_FAN); + glNormal3f(gl, 0.0f, 0.0f, 1.0f); + glVertex3f(gl, 0.0f, 0.0f, nsign * radius); + for (j = 0; j <= slices; j++) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(drho); + y = cos(theta) * sin(drho); + z = nsign * cos(drho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + + ds = 1.0f / slices; + dt = 1.0f / stacks; + t = 1.0f; // because loop now runs from 0 + if (textureFlag) { + imin = 0; + imax = stacks; + } else { + imin = 1; + imax = stacks - 1; + } + + // draw intermediate stacks as quad strips + for (i = imin; i < imax; i++) { + rho = i * drho; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + s = 0.0f; + for (j = 0; j <= slices; j++) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(rho); + y = cos(theta) * sin(rho); + z = nsign * cos(rho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + TXTR_COORD(gl, s, t); + glVertex3f(gl, x * radius, y * radius, z * radius); + x = -sin(theta) * sin(rho + drho); + y = cos(theta) * sin(rho + drho); + z = nsign * cos(rho + drho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + TXTR_COORD(gl, s, t - dt); + s += ds; + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + t -= dt; + } + + if (!textureFlag) { + // draw -Z end as a triangle fan + glBegin(gl, GL.GL_TRIANGLE_FAN); + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + glVertex3f(gl, 0.0f, 0.0f, -radius * nsign); + rho = PI - drho; + s = 1.0f; + for (j = slices; j >= 0; j--) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(rho); + y = cos(theta) * sin(rho); + z = nsign * cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + s -= ds; + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + } else if ( + drawStyle == GLU.GLU_LINE + || drawStyle == GLU.GLU_SILHOUETTE) { + // draw stack lines + for (i = 1; + i < stacks; + i++) { // stack line at i==stacks-1 was missing here + rho = i * drho; + glBegin(gl, GL.GL_LINE_LOOP); + for (j = 0; j < slices; j++) { + theta = j * dtheta; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + // draw slice lines + for (j = 0; j < slices; j++) { + theta = j * dtheta; + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= stacks; i++) { + rho = i * drho; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + } else if (drawStyle == GLU.GLU_POINT) { + // top and bottom-most points + glBegin(gl, GL.GL_POINTS); + if (normals) + glNormal3f(gl, 0.0f, 0.0f, nsign); + glVertex3f(gl, 0.0f, 0.0f, radius); + if (normals) + glNormal3f(gl, 0.0f, 0.0f, -nsign); + glVertex3f(gl, 0.0f, 0.0f, -radius); + + // loop over stacks + for (i = 1; i < stacks - 1; i++) { + rho = i * drho; + for (j = 0; j < slices; j++) { + theta = j * dtheta; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + } + glEnd(gl); + } + } + + + //---------------------------------------------------------------------- + // Internals only below this point + // + + private static final float PI = (float)Math.PI; + private static final int CACHE_SIZE = 240; + + private final void glBegin(GL gl, int mode) { + if(immModeSinkEnabled) { + immModeSink.glBegin(mode); + } else { + gl.getGL2().glBegin(mode); + } + } + + private final void glEnd(GL gl) { + if(immModeSinkEnabled) { + immModeSink.glEnd(gl, immModeSinkImmediate); + } else { + gl.getGL2().glEnd(); + } + } + + private final void glVertex2f(GL gl, float x, float y) { + if(immModeSinkEnabled) { + immModeSink.glVertex2f(x, y); + } else { + gl.getGL2().glVertex2f(x, y); + } + } + + private final void glVertex3f(GL gl, float x, float y, float z) { + if(immModeSinkEnabled) { + immModeSink.glVertex3f(x, y, z); + } else { + gl.getGL2().glVertex3f(x, y, z); + } + } + + private final void glNormal3f_s(GL gl, float x, float y, float z) { + short a=(short)(x*0xFFFF); + short b=(short)(y*0xFFFF); + short c=(short)(z*0xFFFF); + if(immModeSinkEnabled) { + immModeSink.glNormal3s(a, b, c); + } else { + gl.getGL2().glNormal3s(a, b, c); + } + } + + private final void glNormal3f_b(GL gl, float x, float y, float z) { + byte a=(byte)(x*0xFF); + byte b=(byte)(y*0xFF); + byte c=(byte)(z*0xFF); + if(immModeSinkEnabled) { + immModeSink.glNormal3b(a, b, c); + } else { + gl.getGL2().glNormal3b(a, b, c); + } + } + + private final void glNormal3f(GL gl, float x, float y, float z) { + switch(normalType) { + case GL.GL_FLOAT: + if(immModeSinkEnabled) { + immModeSink.glNormal3f(x,y,z); + } else { + gl.getGL2().glNormal3f(x,y,z); + } + break; + case GL.GL_SHORT: + glNormal3f_s(gl, x, y, z); + break; + case GL.GL_BYTE: + glNormal3f_b(gl, x, y, z); + break; + } + } + + private final void glTexCoord2f(GL gl, float x, float y) { + if(immModeSinkEnabled) { + immModeSink.glTexCoord2f(x, y); + } else { + gl.getGL2().glTexCoord2f(x, y); + } + } + + /** + * Call glNormal3f after scaling normal to unit length. + * + * @param x + * @param y + * @param z + */ + private void normal3f(GL gl, float x, float y, float z) { + float mag; + + mag = (float)Math.sqrt(x * x + y * y + z * z); + if (mag > 0.00001F) { + x /= mag; + y /= mag; + z /= mag; + } + glNormal3f(gl, x, y, z); + } + + private final void TXTR_COORD(GL gl, float x, float y) { + if (textureFlag) glTexCoord2f(gl, x,y); + } + + private float sin(float r) { + return (float)Math.sin(r); + } + + private float cos(float r) { + return (float)Math.cos(r); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java new file mode 100755 index 000000000..7c360c574 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java @@ -0,0 +1,114 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu; + +/** + * + * @author Administrator + */ +public class Glue { + private static String[] __gluNurbsErrors = { + " ", + "spline order un-supported", + "too few knots", + "valid knot range is empty", + "decreasing knot sequence knot", + "knot multiplicity greater than order of spline", + "gluEndCurve() must follow gluBeginCurve()", + "gluBeginCurve() must precede gluEndCurve()", + "missing or extra geometric data", + "can't draw piecewise linear trimming curves", + "missing or extra domain data", + "missing or extra domain data", + "gluEndTrim() must precede gluEndSurface()", + "gluBeginSurface() must precede gluEndSurface()", + "curve of improper type passed as trim curve", + "gluBeginSurface() must precede gluBeginTrim()", + "gluEndTrim() must follow gluBeginTrim()", + "gluBeginTrim() must follow gluEndTrim()", + "invalid or missing trim curve", + "gluBeginTrim() must precede gluPwlCurve()", + "piecewise linear trimming curve referenced twice", + "piecewise linear trimming curve and nurbs curve mixed", + "improper usage of trim data type", + "nurbs curve referenced twice", + "nurbs curve and piecewise linear trimming curve mixed", + "nurbs surface referenced twice", + "invalid property", + "gluEndSurface() must follow gluBeginSurface()", + "intersecting or misoriented trim curve", + "intersecting trim curves", + "UNUSED", + "inconnected trim curves", + "unknown knot error", + "negative vertex count encountered", + "negative byte-stride encountered", + "unknown type descriptor", + "null control point reference", + "duplicate point on piecewise linear trimming curve" + } ; + + /** Creates a new instance of Glue */ + public Glue() { + } + + public static String __gluNURBSErrorString( int errno ) { + return( __gluNurbsErrors[ errno ] ); + } + + private static String[] __gluTessErrors = { + " ", + "gluTessBeginPolygon() must precede a gluTessEndPolygon", + "gluTessBeginContour() must precede a gluTessEndContour()", + "gluTessEndPolygon() must follow a gluTessBeginPolygon()", + "gluTessEndContour() must follow a gluTessBeginContour()", + "a coordinate is too large", + "need combine callback" + }; + + public static String __gluTessErrorString( int errno ) { + return( __gluTessErrors[ errno ] ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java new file mode 100644 index 000000000..7c7e6b0d8 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java @@ -0,0 +1,100 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.error; + +import javax.media.opengl.GL; +import javax.media.opengl.glu.GLU; +import com.jogamp.opengl.impl.glu.Glue; + +/** + * + * @author Administrator + */ +public class Error { + + private static String[] glErrorStrings = { + "invalid enumerant", + "invalid value", + "invalid operation", + "stack overflow", + "stack underflow", + "out of memory", + "invalid framebuffer operation" + }; + + private static String[] gluErrorStrings = { + "invalid enumerant", + "invalid value", + "out of memory", + "", + "invalid operation" + }; + + /** Creates a new instance of Error */ + public Error() { + } + + public static String gluErrorString( int errorCode ) { + if( errorCode == 0 ) { + return( "no error" ); + } + if( (errorCode >= GL.GL_INVALID_ENUM) && (errorCode <= GL.GL_INVALID_FRAMEBUFFER_OPERATION) ) { + return( glErrorStrings[ errorCode - GL.GL_INVALID_ENUM ] ); + } + if( errorCode == 0x8031 /* GL.GL_TABLE_TOO_LARGE */ ) { + return( "table too large" ); + } + if( (errorCode >= GLU.GLU_INVALID_ENUM) && (errorCode <= GLU.GLU_INVALID_OPERATION) ) { + return( gluErrorStrings[ errorCode - GLU.GLU_INVALID_ENUM ] ); + } +// if( (errorCode >= GLU.GLU_NURBS_ERROR1) && (errorCode <= GLU.GLU_NURBS_ERROR37) ) { +// return( gluErrorStrings[ errorCode - (GLU.GLU_NURBS_ERROR1 - 1) ] ); +// } + if( (errorCode >= GLU.GLU_TESS_ERROR1) && (errorCode <= GLU.GLU_TESS_ERROR8) ) { + return( Glue.__gluTessErrorString(errorCode - (GLU.GLU_TESS_ERROR1 - 1)) ); + } + return( "error ("+errorCode+")" ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java new file mode 100755 index 000000000..42ddeea50 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java @@ -0,0 +1,49 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class responsible for rendering + * @author Tomas Hrasky + * + */ +public class GL2Backend extends Backend { + public GL2Backend() { + super(); + curveEvaluator = new GL2CurveEvaluator(); + surfaceEvaluator = new GL2SurfaceEvaluator(); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java new file mode 100755 index 000000000..adb8c51d8 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java @@ -0,0 +1,205 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.glu.gl2.GLUgl2; + +/** + * Class rendering curves with OpenGL + * @author Tomáš Hráský + * + */ +class GL2CurveEvaluator implements CurveEvaluator { + + /** + * Output triangles (for callback) or render curve + */ + private boolean output_triangles; + + /** + * OpenGL object + */ + private GL2 gl; + + /** + * Not used + */ + private int vertex_flag; + + /** + * Not used + */ + private int normal_flag; + + /** + * Not used + */ + private int color_flag; + + /** + * Not used + */ + private int texcoord_flag; + + /** + * Number of bezier arc - used for color distinguishing of arcs forming NURBS curve + */ + private int poradi; + + /** + * Makes new Evaluator + */ + public GL2CurveEvaluator() { + gl = GLUgl2.getCurrentGL2(); + } + + /** + * Pushes eval bit + */ + public void bgnmap1f() { + // DONE + if (output_triangles) { + vertex_flag = 0; + normal_flag = 0; + color_flag = 0; + texcoord_flag = 0; + } else { + gl.glPushAttrib(GL2.GL_EVAL_BIT); + } + + } + + /** + * Pops all OpenGL attributes + */ + public void endmap1f() { + // DONE + if (output_triangles) { + + } else { + gl.glPopAttrib(); + } + + } + + /** + * Initializes opengl evaluator + * @param type curve type + * @param ulo lowest u + * @param uhi highest u + * @param stride control point coords + * @param order curve order + * @param ps control points + */ + public void map1f(int type, float ulo, float uhi, int stride, int order, + CArrayOfFloats ps) { + if (output_triangles) { + // TODO code for callback (output_triangles probably indicates callback) + // System.out.println("TODO curveevaluator.map1f-output_triangles"); + } else { + gl.glMap1f(type, ulo, uhi, stride, order, ps.getArray(), ps + .getPointer()); + + // DEBUG - drawing bézier control points + // gl.glColor3d(.5,.5,.5); + // gl.glPointSize(5); + // gl.glBegin(GL2.GL_POINTS); + // float[] ctrlpoints=ps.getArray(); + // for(int i=ps.getPointer();i 0) { + do_nurbserror(6); + endcurve(); + } + inCurve = 1; + currentCurve = o_curve; + + currentCurve.curvetype = CT_NONE; + + if (inTrim) { + if (!nextCurve.equals(o_curve)) { + isCurveModified = 1; + nextCurve = o_curve; + } + } else { + if (!playBack) + bgnrender(); + isDataValid = 1; + } + nextCurve = o_curve.next; + // kind of solution of union + nextPwlcurve = o_curve.o_pwlcurve; + nextNurbscurve = o_curve.o_nurbscurve; + } + + /** + * Begins new surface + * + * @param o_surface + * surface object + */ + public void do_bgnsurface(O_surface o_surface) { + // DONE + if (inSurface > 0) { + do_nurbserror(27); + endsurface(); + } + inSurface = 1; + if (!playBack) + bgnrender(); + + isTrimModified = false; + isDataSurfaceModified = false; + isDataValid = 1; + numTrims = 0; + currentSurface = o_surface; + nextTrim = o_surface.o_trim; + nextNurbssurface = o_surface.o_nurbssurface; + } + + /** + * End a curve + */ + public void endcurve() { + // DONE + thread2("do_endcurve"); + } + + /** + * Ends surface + */ + public void do_endsurface() { + // DONE + if (inTrim) { + do_nurbserror(12); + endtrim(); + } + + if (inSurface <= 0) { + do_nurbserror(13); + return; + } + + inSurface = 0; + + nextNurbssurface = null; + + if (isDataValid <= 0) { + return; + } + + if (nextTrim != null) { + isTrimModified = true; + nextTrim = null; + } + + // TODO errval ?? + if (numTrims > 0) { + // System.out.println("TODO glunurbs.do_endsurface - numtrims > 0"); + } + + subdivider.beginQuilts(new GL2Backend()); + for (O_nurbssurface n = currentSurface.o_nurbssurface; n != null; n = n.next) { + subdivider.addQuilt(n.bezier_patches); + } + subdivider.endQuilts(); + subdivider.drawSurfaces(); + if (!playBack) + endrender(); + + } + + /** + * Ends a curve + */ + public void do_endcurve() { + // DONE + // // System.out.println("do_endcurve"); + if (inCurve <= 0) { + do_nurbserror(7); + return; + } + inCurve = 0; + + nextCurve = null; + + if (currentCurve.curvetype == CT_NURBSCURVE) { + // nextNurbscurve = null; + // currentCurve.o_nurbscurve=null; + } else { + // nextPwlcurve = null; + // currentCurve.o_pwlcurve=null; + } + if (!inTrim) { + if (isDataValid <= 0) { + return; + } + // TODO errval? + if (currentCurve.curvetype == CT_NURBSCURVE) { + subdivider.beginQuilts(new GL2Backend()); + + for (O_nurbscurve n = currentCurve.o_nurbscurve; n != null; n = n.next) + subdivider.addQuilt(n.bezier_curves); + + subdivider.endQuilts(); + subdivider.drawCurves(); + if (!playBack) + endrender(); + } else { + if (!playBack) + endrender(); + do_nurbserror(9); + } + } + + } + + /** + * Method for handling error codes + * + * @param i + * error code + */ + private void do_nurbserror(int i) { + // TODO nurberror + // System.out.println("TODO nurbserror " + i); + } + + /** + * Begin rendering + */ + private void bgnrender() { + // DONE + if (autoloadmode) { + loadGLMatrices(); + } + } + + /** + * Load matrices from OpenGL state machine + */ + private void loadGLMatrices() { + // TODO Auto-generated method stub + // System.out.println("TODO glunurbs.loadGLMatrices"); + } + + /** + * End rendering + */ + private void endrender() { + // DONE + } + + /** + * Make a NURBS curve + * + * @param nknots + * number of knots in knot vector + * @param knot + * knot vector + * @param stride + * number of control points coordinates + * @param ctlarray + * control points + * @param order + * order of the curve + * @param realType + * type of the curve + */ + public void nurbscurve(int nknots, float[] knot, int stride, + float[] ctlarray, int order, int realType) { + // DONE + Mapdesc mapdesc = maplist.locate(realType); + if (mapdesc == null) { + do_nurbserror(35); + isDataValid = 0; + return; + } + if (ctlarray == null) { + do_nurbserror(36); + isDataValid = 0; + return; + } + if (stride < 0) { + do_nurbserror(34); + isDataValid = 0; + return; + } + Knotvector knots = new Knotvector(nknots, stride, order, knot); + + if (!do_check_knots(knots, "curve")) + return; + + O_nurbscurve o_nurbscurve = new O_nurbscurve(realType); + o_nurbscurve.bezier_curves = new Quilt(mapdesc); + CArrayOfFloats ctrlcarr = new CArrayOfFloats(ctlarray); + o_nurbscurve.bezier_curves.toBezier(knots, ctrlcarr, mapdesc + .getNCoords()); + thread("do_nurbscurve", o_nurbscurve); + } + + /** + * Check knot vector specification + * + * @param knots + * knot vector + * @param msg + * error message + * @return knot vector is / is not valid + */ + public boolean do_check_knots(Knotvector knots, String msg) { + // DONE + int status = knots.validate(); + if (status > 0) { + do_nurbserror(status); + if (renderhints.errorchecking != NurbsConsts.N_NOMSG) + knots.show(msg); + } + return (status > 0) ? false : true; + } + + /** + * Draw a curve + * + * @param o_nurbscurve + * NURBS curve object + */ + public void do_nurbscurve(O_nurbscurve o_nurbscurve) { + // DONE + + if (inCurve <= 0) { + bgncurve(); + inCurve = 2; + } + + if (o_nurbscurve.used) { + do_nurbserror(23); + isDataValid = 0; + return; + } else + o_nurbscurve.used = true; + + if (currentCurve.curvetype == CT_NONE) { + currentCurve.curvetype = CT_NURBSCURVE; + } else if (currentCurve.curvetype != CT_NURBSCURVE) { + do_nurbserror(24); + isDataValid = 0; + return; + } + + // it was necessary to overcome problem with pointer to pointer here + + // if(!o_nurbscurve.equals(nextNurbscurve)){ + if (!o_nurbscurve.equals(currentCurve.o_nurbscurve)) { + isCurveModified = 1; + currentCurve.o_nurbscurve = o_nurbscurve; + // nextNurbscurve=o_nurbscurve; + + } + + nextNurbscurve = o_nurbscurve.next; + + if (!currentCurve.equals(o_nurbscurve.owner)) { + isCurveModified = 1; + o_nurbscurve.owner = currentCurve; + } + + if (o_nurbscurve.owner == null) + isCurveModified = 1; + + if (inCurve == 2) + endcurve(); + } + + /** + * Draw NURBS surface + * + * @param o_nurbssurface + * NURBS surface object + */ + public void do_nurbssurface(O_nurbssurface o_nurbssurface) { + // DONE + if (inSurface <= 0) { + bgnsurface(); + inSurface = 2; + } + if (o_nurbssurface.used) { + do_nurbserror(25); + isDataValid = 0; + return; + } else + o_nurbssurface.used = true; + + if (!o_nurbssurface.equals(nextNurbscurve)) { + isSurfaceModified = true; + // nextNurbssurface=o_nurbssurface; + currentSurface.o_nurbssurface = o_nurbssurface; + } + + if (!currentSurface.equals(o_nurbssurface.owner)) { + isSurfaceModified = true; + o_nurbssurface.owner = currentSurface; + } + + nextNurbssurface = o_nurbssurface.next; + + if (inSurface == 2) + endsurface(); + } + + /** + * (Re)Inicialize maps + */ + public void redefineMaps() { + // DONE + maplist.initialize(); + } + + /** + * Define a map of given properties + * + * @param type + * map type + * @param rational + * is rational + * @param ncoords + * number of control point coordinates + */ + public void defineMap(int type, int rational, int ncoords) { + // DONE + maplist.define(type, rational, ncoords); + } + + /** + * Set NURBS property + * + * @param type + * property type + * @param tag + * property tag + * @param value + * property value + */ + public void setnurbsproperty(int type, int tag, float value) { + // DONE + Mapdesc mapdesc = maplist.locate(type); + if (mapdesc == null) { + do_nurbserror(35); + return; + } + if (!mapdesc.isProperty(tag)) { + do_nurbserror(26); + return; + } + Property prop = new Property(type, tag, value); + thread("do_setnurbsproperty2", prop); + } + + /** + * Set parameters of existing property + * + * @param prop + * property + */ + public void do_setnurbsproperty2(Property prop) { + Mapdesc mapdesc = maplist.find(prop.type); + mapdesc.setProperty(prop.tag, prop.value); + } + + /** + * Set given property to rendering hints + * + * @param prop + * property to be set + */ + public void do_setnurbsproperty(Property prop) { + // DONE + renderhints.setProperty(prop); + // TODO freeproperty? + } + + /** + * Sets wheteher we use domain distance sampling + * + * @param i + * domain distance sampling flag + */ + public void set_is_domain_distance_sampling(int i) { + // DONE + subdivider.set_is_domain_distance_sampling(i); + } + + /** + * Begin new surface + */ + public void bgnsurface() { + // DONE + O_surface o_surface = new O_surface(); + // TODO nuid + // System.out.println("TODO glunurbs.bgnsurface nuid"); + thread("do_bgnsurface", o_surface); + } + + /** + * End current surface + */ + public void endsurface() { + // DONE + thread2("do_endsurface"); + } + + /** + * End surface trimming + */ + private void endtrim() { + // TODO Auto-generated method stub + // System.out.println("TODO glunurbs.endtrim"); + } + + /** + * Make NURBS surface + * + * @param sknot_count + * number of knots in s direction + * @param sknot + * knot vector in s direction + * @param tknot_count + * number of knots in t direction + * @param tknot + * knot vector in t direction + * @param s_stride + * number of coords of control points in s direction + * @param t_stride + * number of coords of control points in t direction + * @param ctlarray + * control points + * @param sorder + * order of curve in s direction + * @param torder + * order of curve in t direction + * @param type + * NURBS surface type (rational,...) + */ + public void nurbssurface(int sknot_count, float[] sknot, int tknot_count, + float[] tknot, int s_stride, int t_stride, float[] ctlarray, + int sorder, int torder, int type) { + // DONE + Mapdesc mapdesc = maplist.locate(type); + if (mapdesc == null) { + do_nurbserror(35); + isDataValid = 0; + return; + } + if (s_stride < 0 || t_stride < 0) { + do_nurbserror(34); + isDataValid = 0; + return; + } + Knotvector sknotvector = new Knotvector(sknot_count, s_stride, sorder, + sknot); + if (!do_check_knots(sknotvector, "surface")) + return; + Knotvector tknotvector = new Knotvector(tknot_count, t_stride, torder, + tknot); + if (!do_check_knots(tknotvector, "surface")) + return; + + O_nurbssurface o_nurbssurface = new O_nurbssurface(type); + o_nurbssurface.bezier_patches = new Quilt(mapdesc); + + CArrayOfFloats ctrlarr = new CArrayOfFloats(ctlarray); + o_nurbssurface.bezier_patches.toBezier(sknotvector, tknotvector, + ctrlarr, mapdesc.getNCoords()); + thread("do_nurbssurface", o_nurbssurface); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java new file mode 100644 index 000000000..501f5f585 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java @@ -0,0 +1,1598 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import com.jogamp.opengl.impl.Debug; +import com.jogamp.opengl.impl.InternalBufferUtil; +import java.nio.*; +import java.io.*; + +/** + * + * @author Administrator + */ +public class BuildMipmap { + + private static final boolean DEBUG = Debug.debug("BuildMipmap"); + private static final boolean VERBOSE = Debug.verbose(); + + /** Creates a new instance of BuildMipmap */ + public BuildMipmap() { + } + + public static int gluBuild1DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int widthPowerOf2, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int newwidth; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + ShortBuffer otherImage = null; + ShortBuffer imageTemp = null; + int memReq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 ); + + newwidth = widthPowerOf2; + levels = Mipmap.computeLog( newwidth ); + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, 1, format, + GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + + Image.fill_image( psm, width, 1, format, type, Mipmap.is_index( format ), data, newImage ); + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes was set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = userLevel; level <= levels; level++ ) { + if( newImage_width == newwidth ) { + // user newimage for this level + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, format, + GL2.GL_UNSIGNED_SHORT, newImage ); + } + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth, 1, format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, 1, newImage, newwidth, 1, otherImage ); + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth; + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, + format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + } + if( newwidth > 1 ) { + newwidth /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int bitmapBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, ByteBuffer data ) { + int newwidth[] = new int[1]; + int newheight[] = new int[1]; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + int newImage_height; + ShortBuffer otherImage = null; + ShortBuffer tempImage = null; + int memReq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + Mipmap.retrieveStoreModes( gl, psm ); + + Mipmap.closestFit( gl, target, width, height, internalFormat, format, type, newwidth, newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, height, + format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + Image.fill_image( psm, width, height, format, type, Mipmap.is_index( format ), data, newImage ); + + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes is set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level < levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, + newImage_height, 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, newImage_height, + newImage, newwidth[0], newheight[0], otherImage ); + // swap newImage and otherImage + tempImage = otherImage; + otherImage = newImage; + newImage = tempImage; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + if( newheight[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int gluBuild2DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int widthPowerOf2, int heightPowerOf2, + int format, int type, int userLevel, int baseLevel, int maxLevel, + ByteBuffer data ) { // PointerWrapper data + int newwidth; + int newheight; + int level, levels; + int usersImage; + ByteBuffer srcImage = null; + ByteBuffer dstImage = null; + ByteBuffer tempImage = null; + int newImage_width; + int newImage_height; + short[] SWAP_IMAGE = null; + int memReq; + int maxsize; + int cmpts; + int mark=-1; + + boolean myswap_bytes; + int groups_per_line, element_size, group_size; + int rowsize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 ); + + if( type == GL2.GL_BITMAP ) { + return( bitmapBuild2DMipmaps( gl, target, internalFormat, width, height, format, type, data ) ); + } + + newwidth = widthPowerOf2; + newheight = heightPowerOf2; + levels = Mipmap.computeLog( newwidth ); + level = Mipmap.computeLog( newheight ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + myswap_bytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * cmpts; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + + mark = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; + data.position( mark ); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + level = userLevel; + + // already power of two square + if( width == newwidth && height == newheight ) { + // use usersImage for level userLevel + if( baseLevel <= level && level <= maxLevel ) { + data.rewind(); + gl.glTexImage2D( target, level, internalFormat, width, height, 0, format, type, data ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( 0 ); + } + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + + // clamp to 1 + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, width, height, data, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + } + newwidth = width / 2; + newheight = height / 2; + // clamp to 1 + if( newwidth < 1 ) { + newwidth = 1; + } + if( newheight < 1 ) { + newheight = 1; + } + + myswap_bytes = false; + rowsize = newwidth * group_size; + memReq = Mipmap.image_size( newwidth, newheight, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + // level userLevel+1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { // user's image is not nice powerof2 size square + memReq = Mipmap.image_size( newwidth, newheight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + data.position( mark ); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + ScaleInternal.scale_internal_ubyte( cmpts, width, height, data, + newwidth, newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + ScaleInternal.scale_internal_byte( cmpts, width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + ScaleInternal.scale_internal_uint( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + ScaleInternal.scale_internal_int( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + ScaleInternal.scale_internal_float( cmpts, width, height, data, newwidth, + newheight, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract332(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract233rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract5551(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1555rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1010102(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract2101010rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + myswap_bytes = false; + rowsize = newwidth * group_size; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { // use as little memory as possible + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + + memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + + level++; // update current level for the loop + for( ; level <= levels; level++ ) { + srcImage.rewind(); + dstImage.rewind(); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, newwidth, newheight, srcImage, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newwidth > 1 ) { + newwidth /= 2; + rowsize /= 2; + } + if( newheight > 1 ) { + newheight /= 2; + } + // compute amount to pad per row if any + int rowPad = rowsize % psm.getUnpackAlignment(); + + // should row be padded + if( rowPad == 0 ) { + // call teximage with srcImage untouched since its not padded + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + } else { + // compute length of new row in bytes, including padding + int newRowLength = rowsize + psm.getUnpackAlignment() - rowPad; + int ii, jj; + int dstTrav; + int srcTrav; + + // allocate new image for mipmap of size newRowLength x newheight + ByteBuffer newMipmapImage = null; + try { + newMipmapImage = ByteBuffer.allocateDirect( newRowLength * newheight ); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + srcImage.rewind(); + // copy image from srcImage into newMipmapImage by rows + for( ii = 0; ii < newheight; ii++ ) { + newMipmapImage.position(newRowLength * ii); + for( jj = 0; jj < rowsize; jj++ ) { + newMipmapImage.put( srcImage.get() ); + } + } + + // and use this new image for mipmapping instead + if( baseLevel <= level && level <= maxLevel ) { + newMipmapImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, newMipmapImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + " padded): " + gl.glGetError() ); + if (VERBOSE) { + writeTargaFile("glu2DMipmapJ" + level + ".tga", + newMipmapImage, newwidth, newheight); + } + } + } + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int fastBuild2DMipmaps( GL gl, PixelStorageModes psm, int target, + int components, int width, int height, int format, int type, ByteBuffer data ) { + int[] newwidth = new int[1]; + int[] newheight = new int[1]; + int level, levels; + ByteBuffer newImage; + int newImage_width; + int newImage_height; + ByteBuffer otherImage; + ByteBuffer imageTemp; + int memReq; + int maxsize; + int cmpts; + + Mipmap.closestFit( gl, target, width, height, components, format, type, newwidth, + newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + cmpts = Mipmap.elements_per_group( format, type ); + + otherImage = null; + // No need to copy the user data if its packed correctly. + // Make sure that later routines don't change that data. + + if( psm.getUnpackSkipRows() == 0 && psm.getUnpackSkipPixels() == 0 ) { + newImage = data; + newImage_width = width; + newImage_height = height; + } else { + int rowsize; + int group_per_line; + int elements_per_line; + int start; + int iter; + int iter2; + int i, j; + + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( + width, height, format, GL2.GL_UNSIGNED_BYTE ) )); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + // Abbreviated version of fill_image for the restricted case. + if( psm.getUnpackRowLength() > 0 ) { + group_per_line = psm.getUnpackRowLength(); + } else { + group_per_line = width; + } + rowsize = group_per_line * cmpts; + elements_per_line = width * cmpts; + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * cmpts; + + for( i = 0; i < height; i++ ) { + iter = start; + data.position( iter ); + for( j = 0; j < elements_per_line; j++ ) { + newImage.put( data.get() ); + } + start += rowsize; + } + } + + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 1 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level <= levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + // use newImage for this level + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_BYTE ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } + if( newwidth[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + + return( 0 ); + } + + public static int gluBuild3DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int depth, int widthPowerOf2, int heightPowerOf2, + int depthPowerOf2, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int newWidth; + int newHeight; + int newDepth; + int level, levels; + ByteBuffer usersImage; + ByteBuffer srcImage, dstImage, tempImage; + int newImageWidth; + int newImageHeight; + int newImageDepth; + int memReq; + int maxSize; + int cmpts; + int mark=-1; + + boolean myswapBytes; + int groupsPerLine, elementSize, groupSize; + int rowsPerImage, imageSize; + int rowSize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 && depth >= 1 ); + assert( type != GL2.GL_BITMAP ); + + srcImage = dstImage = null; + + newWidth = widthPowerOf2; + newHeight = heightPowerOf2; + newDepth = depthPowerOf2; + levels = Mipmap.computeLog( newWidth ); + level = Mipmap.computeLog( newHeight ); + if( level > levels ) { + levels = level; + } + level = Mipmap.computeLog( newDepth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes3D( gl, psm ); + myswapBytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * cmpts; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + + rowSize = groupsPerLine * groupSize; + padding = ( rowSize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + usersImage = ByteBuffer.wrap(data.array()); + mark = psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize; + usersImage.position( mark ); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, 0 ); + + level = userLevel; + + if( width == newWidth && height == newHeight && depth == newDepth ) { + // use usersImage for level userlevel + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + + // clamp to one + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, + groupSize, rowSize, imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + } + newWidth = width / 2; + newHeight = height / 2; + newDepth = depth / 2; + // clamp to 1 + if( newWidth < 1 ) { + newWidth = 1; + } + if( newHeight < 1 ) { + newHeight = 1; + } + if( newDepth < 1 ) { + newDepth = 1; + } + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + // level userLevel + 1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + ScaleInternal.gluScaleImage3D( gl, format, width, height, depth, type, + usersImage, newWidth, newHeight, newDepth, type, dstImage ); + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + usersImage.position( mark ); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + level++; + for( ; level <= levels; level++ ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newWidth > 1 ) { + newWidth /= 2; + rowSize /= 2; + } + if( newHeight > 1 ) { + newHeight /= 2; + imageSize = rowSize * newHeight; + } + if( newDepth > 1 ) { + newDepth /= 2; + } + if( baseLevel <= level && level <= maxLevel ) { + usersImage.position( mark ); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + + private static final int TARGA_HEADER_SIZE = 18; + private static void writeTargaFile(String filename, ByteBuffer data, + int width, int height) { + try { + FileOutputStream fos = new FileOutputStream(new File(filename)); + ByteBuffer header = ByteBuffer.allocateDirect(TARGA_HEADER_SIZE); + header.put(0, (byte) 0).put(1, (byte) 0); + header.put(2, (byte) 2); // uncompressed type + header.put(12, (byte) (width & 0xFF)); // width + header.put(13, (byte) (width >> 8)); // width + header.put(14, (byte) (height & 0xFF)); // height + header.put(15, (byte) (height >> 8)); // height + header.put(16, (byte) 24); // pixel size + fos.write(header.array()); + fos.write(data.array()); + data.clear(); + fos.close(); + } catch (IOException e) { + e.printStackTrace(); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java new file mode 100644 index 000000000..be86585e7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface Extract { + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ); + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ); +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java new file mode 100644 index 000000000..7e172b1ce --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1010102 implements Extract { + + /** Creates a new instance of Extract1010102 */ + public Extract1010102() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0xFFC00000 ) >> 22 ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x003FF000 ) >> 12 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x00000FFC ) >> 2 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0x00000003 ) ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) << 22) & 0xFFC00000 ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 12) & 0x003FF000 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 2) & 0x00000FFC ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) ) & 0x00000003 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java new file mode 100644 index 000000000..37895096e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1555rev implements Extract { + + /** Creates a new instance of Extract1555rev */ + public Extract1555rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x003E ) >> 5 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x7C00 ) >> 10) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0x8000 ) >> 15); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 5) & 0x000003E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 10) & 0x00007C00 ); + ushort |= (((int)((shoveComponents[3]) + 0.5f) << 15) & 0x00008000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java new file mode 100644 index 000000000..077f3037b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract2101010rev implements Extract { + + /** Creates a new instance of Extract2101010 */ + public Extract2101010rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0x000003FF ) ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x000FFC00 ) >> 10 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x3FF00000 ) >> 20 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0xC0000000 ) >> 30 ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) ) & 0x000003FF ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 10) & 0x000FFC00 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 20) & 0x3FF00000 ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) << 30) & 0xC0000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java new file mode 100644 index 000000000..fa35c6fbc --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java @@ -0,0 +1,85 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract233rev implements Extract { + + /** Creates a new instance of Extract223rev */ + public Extract233rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0x07) ) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x38) >> 3) / 7.0f; + extractComponents[2] = (float)((ubyte & 0xC0) >> 6) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) ) & 0x07 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 3 ) & 0x38 ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) << 6 ) & 0xC0 ); + packedPixel.position( index ); + packedPixel.put( b ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java new file mode 100644 index 000000000..35936466c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java @@ -0,0 +1,84 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract332 implements Extract { + + /** Creates a new instance of Extract332 */ + public Extract332() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0xe0) >> 5) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x1c) >> 2) / 7.0f; + extractComponents[2] = (float)((ubyte & 0x03)) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) << 5 ) & 0xE0 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 2 ) & 0x1C ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) ) & 0x03 ); + packedPixel.put( index, b ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java new file mode 100644 index 000000000..bac4f57aa --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java @@ -0,0 +1,96 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444 implements Extract { + + /** Creates a new instance of Extract4444 */ + public Extract4444() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + extractComponents[0] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0x000F ) ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) << 12) & 0x0000F000 ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) ) & 0x0000000F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java new file mode 100644 index 000000000..b1bea75e1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444rev implements Extract { + + /** Creates a new instance of Extract4444rev */ + public Extract4444rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00001111 == 0x000F + // 00000000,11110000 == 0x00F0 + // 00001111,00000000 == 0x0F00 + // 11110000,00000000 == 0xF000 + + extractComponents[0] = (float)( ( ushort & 0x000F ) ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) ) & 0x0000000F ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) << 12) & 0x0000F000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java new file mode 100644 index 000000000..a6247844f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract5551 implements Extract { + + /** Creates a new instance of Extract5551 */ + public Extract5551() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 6 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 1 ) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) ); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 6) & 0x000007C0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 1) & 0x0000003E ); + ushort |= (((int)((shoveComponents[3]) + 0.5f)) & 0x00000001 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java new file mode 100644 index 000000000..624a4f3f2 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565 implements Extract { + + /** Creates a new instance of Extract565 */ + public Extract565() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0x001F ) ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) ) & 0x0000001F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java new file mode 100644 index 000000000..4ab6d7e98 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565rev implements Extract { + + /** Creates a new instance of Extract565rev */ + public Extract565rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00111111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 11) & 0x0000F800 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java new file mode 100644 index 000000000..90d7e57c9 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888 implements Extract { + + /** Creates a new instance of Extract8888 */ + public Extract8888() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) << 24) & 0xFF000000 ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) ) & 0x000000FF ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java new file mode 100644 index 000000000..10970573b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888rev implements Extract { + + /** Creates a new instance of Extract8888rev */ + public Extract8888rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) ) & 0x000000FF ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) << 24) & 0xFF000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java new file mode 100644 index 000000000..c42799470 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java @@ -0,0 +1,74 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractFloat implements ExtractPrimitive { + + /** Creates a new instance of ExtractFloat */ + public ExtractFloat() { + } + + public double extract( boolean isSwap, ByteBuffer data ) { + float f = 0; + if( isSwap ) { + f = Mipmap.GLU_SWAP_4_BYTES( data.getInt() ); + } else { + f = data.getInt(); + } + assert( f <= 1.0f ); + return( f ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 1.0); + data.asFloatBuffer().put( index, (float)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java new file mode 100644 index 000000000..8b986d6d0 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface ExtractPrimitive { + public double extract( boolean isSwap, ByteBuffer pointer ); + public void shove( double value, int index, ByteBuffer pointer ); +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java new file mode 100644 index 000000000..4f61015f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java @@ -0,0 +1,69 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractSByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractSByte() { + } + + public double extract( boolean isSwap, ByteBuffer sbyte ) { + byte b = sbyte.get(); + assert( b <= 127 ); + return( b ); + } + + public void shove( double value, int index, ByteBuffer data ) { + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java new file mode 100644 index 000000000..2d5ac5329 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractSInt */ + public ExtractSInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + int i = 0; + if( isSwap ) { + i = Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = uint.getInt(); + } + assert( i <= 0x7FFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < Integer.MAX_VALUE); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java new file mode 100644 index 000000000..8b8d50cbf --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSShort implements ExtractPrimitive { + + /** Creates a new instance of ExtractSShort */ + public ExtractSShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + short s = 0; + if( isSwap ) { + s = Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + s = ushort.getShort(); + } + assert( s <= 32767 ); + return( s ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 32768.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java new file mode 100644 index 000000000..d33213f89 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java @@ -0,0 +1,70 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractUByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractUByte() { + } + + public double extract( boolean isSwap, ByteBuffer ubyte ) { + int i = 0x000000FF & ubyte.get(); + assert( i <= 255 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 256.0); + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java new file mode 100644 index 000000000..873668a43 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractUInt */ + public ExtractUInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + long i = 0; + if( isSwap ) { + i = 0xFFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = 0xFFFFFFFF & uint.getInt(); + } + assert( i <= 0xFFFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 0xFFFFFFFF); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java new file mode 100644 index 000000000..86bbb95f1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUShort implements ExtractPrimitive { + + /** Creates a new instance of ExtracUShort */ + public ExtractUShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + int i = 0; + if( isSwap ) { + i = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + i = 0x0000FFFF & ushort.getShort(); + } + assert( i <= 65535 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 65536.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java new file mode 100644 index 000000000..893d33c66 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java @@ -0,0 +1,1533 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class HalveImage { + + private static final int BOX2 = 2; + private static final int BOX4 = 4; + private static final int BOX8 = 8; + + public static void halveImage( int components, int width, int height, + ShortBuffer datain, ShortBuffer dataout ) { + int i, j, k; + int newwidth, newheight; + int delta; + int t = 0; + short temp = 0; + + newwidth = width / 2; + newheight = height /2; + delta = width * components; + + // Piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + components ); + temp += datain.get(); + datain.position( t + delta ); + temp += datain.get(); + datain.position( t + delta + components ); + temp +=datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t++; + } + t += components; + } + t += delta; + } + } + + public static void halveImage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s; + int t; + + // Handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ubyte( components, width, height, datain, dataout, element_size, ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + s = 0; + t = 0; + + int temp = 0; + // piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x000000FF & datain.get() ); + datain.position( t + group_size ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize + group_size ); + temp += ( 0x000000FF & datain.get() ) + 2; + dataout.put( (byte)(temp / 4) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + int temp = 0; + + assert( width == 1 || height == 1 ); // Must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + group_size ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes( src + group_size ).getByte())) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + ysize ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes(src + ysize).getByte()) ) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + } + assert( src == ysize * height ); + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, int element_size, + int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s = 0; + int t = 0; + byte temp = (byte)0; + + // handle case where there is only 1 column + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1Dimage_byte( components, width, height, datain, dataout, element_size, + ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + group_size ); + temp += datain.get(); + datain.position( t + ysize ); + temp += datain.get(); + datain.position( t + ysize + group_size ); + temp += datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = width / 2; + int src = 0; + int dest = 0; + int jj; + byte temp = (byte)0; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + group_size ); + temp += datain.get(); + temp /= 2; + dataout.put( temp ); + src += element_size; + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assert only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + ysize ); + temp += datain.get(); + temp /= 2; + src += element_size; + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ushort( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & datain.getShort() ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = (0x0000FFFF & datain.getShort() ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)( (ushort[0] + ushort[1]) / 2 ) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + ysize ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & datain.getShort() ); + datain.position( src + ysize ); + ushort[1] = ( 0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)((ushort[0] + ushort[1]) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + short temp = (short)0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_short( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getShort(); + datain.position( t + group_size ); + temp += datain.getShort(); + datain.position( t + ysize ); + temp += datain.getShort(); + datain.position( t + ysize + group_size ); + temp += datain.getShort(); + temp += 2; + temp /= 4; + dataout.put( (short)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + short b; + int buf; + datain.position( t ); + temp = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + group_size ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + group_size ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + ysize ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + ysize ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + double temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_uint( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + dataout.put( (int)( ( temp / 4 ) + 0.5 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + // need to cast to double to hold large unsigned ints + double buf; + datain.position( t ); + buf = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + temp /= 4; + temp += 0.5; + dataout.put( (int)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = (0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_int( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getInt(); + datain.position( t + group_size ); + temp += datain.getInt(); + datain.position( t + ysize ); + temp += datain.getInt(); + datain.position( t + ysize + group_size ); + temp += datain.getInt(); + temp = (int)( ( temp / 4.0f ) + 0.5f ); + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + long b; + float buf; + datain.position( t ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf = b; + datain.position( t + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + dataout.put( (int)( ( buf / 4.0f ) + 0.5f ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)(( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + float temp = 0.0f; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_float( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getFloat(); + datain.position( t + group_size ); + temp += datain.getFloat(); + datain.position( t + ysize ); + temp += datain.getFloat(); + datain.position( t + ysize + group_size ); + temp /= 4.0f; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + float buf; + datain.position( t ); + buf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + dataout.put( buf / 4.0f ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + group_size ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + group_size ); + sfloat[1] = datain.getFloat(); + } + dataout.put( (sfloat[0] + sfloat[1]) / 2.0f ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + ysize ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + ysize ); + sfloat[1] = datain.getFloat(); + } + dataout.put( ( sfloat[0] + sfloat[1] ) / 2.0f ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1DimagePackedPixel( components, extract, width, height, datain, dataout, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + int ii, jj; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[2] ); + datain.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[3] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX4; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + assert( src == rowSizeInBytes * height ); + assert( outIndex == halfWidth * halfHeight ); + } + + public static void halve1DimagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int jj; + + assert( width == 1 || height == 1 ); + assert( width != height ); + + if( height == 1 ) { + int outIndex = 0; + + assert( width != 1 ); + halfHeight = 1; + + // one horizontal row with possible pad bytes + + for( jj = 0; jj < halfWidth; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += pixelSizeInBytes + pixelSizeInBytes; + } + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + src += padBytes; + + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } else if( width == 1 ) { + int outIndex = 0; + + assert( height != 1 ); + halfWidth = 1; + // one vertical volumn with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + // average two at a time, instead of four + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += rowSizeInBytes + rowSizeInBytes; + } + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } + } + + public static void halveImagePackedPixelSlice( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX2][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // average only 2 pixels since a column + totals[cc]= 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } // for cc + + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next group of 2 + src += imageSizeInBytes + imageSizeInBytes; + } // for ii + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } + } + + public static void halveImageSlice( int components, ExtractPrimitive extract, int width, + int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + double[] totals = new double[4]; + double[][] extractTotals = new double[BOX2][4]; + int kk; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + + // average 2 pixels since only a column + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red]; + // totals[red] = red / 2; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX2; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over next group of 2 + src += rowSizeInBytes; + } // for ii + + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfDepth * components ); + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += elementSizeInBytes; + } // for jj + src += padBytes; + src += rowSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfHeight; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += padBytes; + src += rowSizeInBytes; + } // for jj + src += imageSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } + } + + public static void halveImage3D( int components, ExtractPrimitive extract, + int width, int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + assert( depth > 1 ); + + // horizontal/vertical/onecolumn slice viewed from top + if( width == 1 || height == 1 ) { + assert( 1 <= depth ); + + halveImageSlice( components, extract, width, height, depth, dataIn, dataOut, + elementSizeInBytes, groupSizeInBytes, rowSizeInBytes, imageSizeInBytes, + isSwap ); + return; + } + + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX8][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[4][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes + imageSizeInBytes ); + extractTotals[5][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extractTotals[6][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes + groupSizeInBytes ); + extractTotals[7][cc] = extract.extract( isSwap, dataIn ); + + totals[cc] = 0.0f; + + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX8; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + + src += elementSizeInBytes; + } // for cc + // skip over to next square of 4 + src += groupSizeInBytes; + } // for jj + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } // for ii + src += imageSizeInBytes; + } // for dd + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth * components ); + } + + public static void halveImagePackedPixel3D( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + if( depth == 1 ) { + assert( 1 <= width && 1 <= height ); + + halveImagePackedPixel( components, extract, width, height, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } else if( width == 1 || height == 1 ) { // a horizontal or vertical slice viewed from top + assert( 1 <= depth ); + + halveImagePackedPixelSlice( components, extract, width, height, depth, dataIn, + dataOut, pixelSizeInBytes, rowSizeInBytes, imageSizeInBytes, isSwap ); + return; + } + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; // 4 is max components + float extractTotals[][] = new float[BOX8][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[4] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[5] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[6] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[7] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + // grab 8 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (float)BOX8; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next square of 4 + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + src += imageSizeInBytes; + } + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java new file mode 100644 index 000000000..b2aaad2f7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java @@ -0,0 +1,1413 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Image { + + /** Creates a new instance of Image */ + public Image() { + } + + public static short getShortFromByteArray( byte[] array, int index ) { + short s; + s = (short)(array[index] << 8 ); + s |= (short)(0x00FF & array[index+1]); + return( s ); + } + + public static int getIntFromByteArray( byte[] array, int index ) { + int i; + i = ( array[index] << 24 ) & 0xFF000000; + i |= ( array[index+1] << 16 ) & 0x00FF0000; + i |= ( array[index+2] << 8 ) & 0x0000FF00; + i |= ( array[index+3] ) & 0x000000FF; + return( i ); + } + + public static float getFloatFromByteArray( byte[] array, int index ) { + int i = getIntFromByteArray( array, index ); + return( Float.intBitsToFloat(i) ); + } + + /* + * Extract array from user's data applying all pixel store modes. + * The internal format used is an array of unsigned shorts. + */ + public static void fill_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, ByteBuffer userdata, + ShortBuffer newimage ) { + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + // All formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + ( psm.getUnpackSkipPixels() * components / 8 ); + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); // **************************************** + bit_offset = (psm.getUnpackSkipPixels() * components) % 8; + for( j = 0; j < elements_per_line; j++ ) { + // retrieve bit + if( psm.getUnpackLsbFirst() ) { + userdata.position( iter ); + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << bit_offset );//userdata[iter] & ( 1 << bit_offset ); + } else { + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << ( 7 - bit_offset ) ); + } + if( current_bit != 0 ) { + if( index_format ) { + newimage.position( iter2 ); + newimage.put( (short)1 ); + } else { + newimage.position( iter2 ); + newimage.put( (short)65535 ); + } + } else { + newimage.position( iter2 ); + newimage.put( (short)0 ); + } + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); //*************************************** + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + float[] extractComponents = new float[4]; + userdata.position( iter ); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get() ) );//userdata[iter]; + } else { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get()/*userdata[iter]*/ * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + newimage.put( iter2++, userdata.get() ); //userdata[iter]; + } else { + newimage.put( iter2++, (short)(userdata.get()/*userdata[iter]*/ * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract.extract( myswap_bytes, userdata/*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswap_bytes ) { + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + } + if( type == GL2.GL_SHORT ) { + if( index_format ) { + newimage.put( iter2++, widget.getS0() ); + } else { + newimage.put( iter2++, (short)(widget.getS0() * 2) ); + } + } else { + newimage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswap_bytes ) { + widget.setUB3( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB3( userdata.get() ); + } + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + newimage.put( iter2++, (short)widget.getF() ); + } else { + newimage.put( iter2++, (short)(widget.getF() * 65535 ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getUI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getUI() >> 16 ) ); + } + } else { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getI() >> 15 ) ); + } + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == ( width * height * components ) ); + } else { + assert( iter2 == ( width * height * Mipmap.elements_per_group( format, 0 ) ) ); + } + assert( iter == ( rowsize * height + psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size ) ); + } + } + + /* + * Insert array into user's data applying all pixel store modes. + * Theinternal format is an array of unsigned shorts. + * empty_image() because it is the opposet of fill_image(). + */ + public static void empty_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, + ShortBuffer oldimage, ByteBuffer userdata ) { + + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groups_per_line = psm.getPackRowLength(); + } else { + groups_per_line = width; + } + + // all formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * components / 8; + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + bit_offset = ( psm.getPackSkipPixels() * components ) % 8; + for( j = 0; j < elements_per_line; j++ ) { + if( index_format ) { + current_bit = oldimage.get( iter2 ) & 1; + } else { + if( oldimage.get( iter2 ) < 0 ) { // must check for negative rather than 32767 + current_bit = 1; + } else { + current_bit = 0; + } + } + + if( current_bit != 0 ) { + if( psm.getPackLsbFirst() ) { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 1 << bit_offset ) ) ) ); + } else { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 7 - bit_offset ) ) ) ); + } + } else { + if( psm.getPackLsbFirst() ) { + //userdata[iter] &= ~( 1 << bit_offset ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 1 << bit_offset ) ) ) ); + } else { + //userdata[iter] &= ~( 1 << ( 7 - bit_offset ) ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 7 - bit_offset ) ) ) ); + } + } + + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + float shoveComponents[] = new float[4]; + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 8 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 9 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1,widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( index_format ) { + widget.setS0( oldimage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldimage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( oldimage.get( iter2++ ) ); + } + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + widget.setF( oldimage.get( iter2++ ) ); + } else { + widget.setF( oldimage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + widget.setUI( oldimage.get( iter2++ ) ); + } else { + widget.setUI( oldimage.get( iter2++ ) * 65537 ); + } + } else { + if( index_format ) { + widget.setI( oldimage.get( iter2++ ) ); + } else { + widget.setI( (oldimage.get( iter2++ ) * 65537) / 2 ); + } + } + if( myswap_bytes ) { + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.put( iter , widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter + 3, widget.getUB3() ); + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * components ); + } else { + assert( iter2 == width * height * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowsize * height + psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size ); + } + } + + public static void fillImage3D( PixelStorageModes psm, int width, int height, + int depth, int format, int type, boolean indexFormat, ByteBuffer userImage, + ShortBuffer newImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int elementsPerLine; + int rowsPerImage; + int imageSize; + int start, rowStart; + int iter = 0; + int iter2 = 0; + int ww, hh, dd, k; + Type_Widget widget = new Type_Widget(); + float extractComponents[] = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswapBytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getUnpackAlignment(); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; // 3dstuff + + start = psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + for( hh = 0; hh < height; hh++ ) { + iter = rowStart; + for( ww = 0; ww < elementsPerLine; ww++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, (short)(0x000000FF & userImage.get( iter ) ) ); + } else { + newImage.put( iter2++, (short)((0x000000FF & userImage.get( iter ) ) * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, userImage.get( iter ) ); + } else { + newImage.put( iter2++, (short)(userImage.get( iter ) * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 1 ) ); + widget.setUB1( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + } + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + newImage.put( iter2++, widget.getUS0() ); + } else { + newImage.put( iter2++, (short)(widget.getUS0() * 2) ); + } + } else { + newImage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 3 ) ); + widget.setUB1( userImage.get( iter + 2 ) ); + widget.setUB2( userImage.get( iter + 1 ) ); + widget.setUB3( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + widget.setUB2( userImage.get( iter + 2 ) ); + widget.setUB3( userImage.get( iter + 3 ) ); + } + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getF() ); + } else { + newImage.put( iter2++, (short)( widget.getF() * 65535.0f ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getUI() ); + } else { + newImage.put( iter2++, (short)(widget.getUI() >> 16) ); + } + } else { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getI() ); + } else { + newImage.put( iter2++, (short)(widget.getI() >> 15) ); + } + } + break; + default: + assert( false ); + } + iter += elementSize; + } // for ww + rowStart += rowSize; + iter = rowStart; // for assert + } // for hh + start += imageSize; + }// for dd + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } + + public static void emptyImage3D( PixelStorageModes psm, int width, int height, int depth, + int format, int type, boolean indexFormat, ShortBuffer oldImage, ByteBuffer userImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int start, rowStart, iter; + int elementsPerLine; + int iter2; + int ii, jj, dd, k; + int rowsPerImage; + int imageSize; + Type_Widget widget = new Type_Widget(); + float[] shoveComponents = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + iter = 0; + + myswapBytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groupsPerLine = psm.getPackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getPackImageHeight() > 0 ) { + rowsPerImage = psm.getPackImageHeight(); + } else { + rowsPerImage = height; + } + + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getPackAlignment(); + if( padding != 0 ) { + rowSize += psm.getPackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + start = psm.getPackSkipRows() * rowSize + + psm.getPackSkipPixels() * groupSize + + psm.getPackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + + for( ii = 0; ii < height; ii++ ) { + iter = rowStart; + + for( jj = 0; jj < elementsPerLine; jj++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) >> 8 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get(iter2++) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get(iter2++) >> 9) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.putShort( iter, widget.getUB1() ); + userImage.putShort( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + widget.setS0( (short)oldImage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldImage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( (short)oldImage.get( iter2++ ) ); + } + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.put( iter, widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter ,widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter , widget.getUB0() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + widget.setF( oldImage.get( iter2++ ) ); + } else { + widget.setF( oldImage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + widget.setUI( oldImage.get( iter2++ ) ); + } else { + widget.setUI( oldImage.get( iter2++ ) * 65537 ); + } + } else { + if( indexFormat ) { + widget.setI( oldImage.get( iter2++ ) ); + } else { + widget.setI( ( oldImage.get( iter2++ ) * 65535 ) / 2 ); + } + } + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.put( iter , widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 3, widget.getUB3() ); + } + break; + default: + assert( false ); + } + + iter += elementSize; + } // for jj + rowStart += rowSize; + } // for ii + start += imageSize; + } // for dd + + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java new file mode 100644 index 000000000..2c3f60d32 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java @@ -0,0 +1,867 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.GLException; +import java.nio.*; +import com.jogamp.opengl.impl.InternalBufferUtil; + +/** + * + * @author Administrator + */ +public class Mipmap { + + /** Creates a new instance of Mipmap */ + public Mipmap() { + } + + public static int computeLog( int value ) { + int i = 0; + // Error + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( (value & 1) >= 1 ) { + if( value != 1 ) { + return( -1 ); + } + return( i ); + } + value = value >> 1; + i++; + } + } + + /* Compute the nearest power of 2 number. This algorithm is a little strange + * but it works quite well. + */ + public static int nearestPower( int value ) { + int i = 1; + // Error! + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( value == 1 ) { + return( i ); + } else if( value == 3 ) { + return( i * 4 ); + } + value = value >> 1; + i *= 2; + } + } + + public static short GLU_SWAP_2_BYTES( short s ) { + byte b = 0; + b = (byte)( s >>> 8 ); + s = (short)( s << 8 ); + s = (short)( s | (0x00FF & b) ); + return( s ); + } + + public static int GLU_SWAP_4_BYTES( int i ) { + int t = i << 24; + t |= 0x00FF0000 & ( i << 8 ); + t |= 0x0000FF00 & ( i >>> 8 ); + t |= 0x000000FF & ( i >>> 24 ); + return( t ); + } + + public static float GLU_SWAP_4_BYTES( float f ) { + int i = Float.floatToRawIntBits( f ); + float temp = Float.intBitsToFloat( i ); + return( temp ); + } + + public static int checkMipmapArgs( int internalFormat, int format, int type ) { + if( !legalFormat( format ) || !legalType( type ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( format == GL2.GL_STENCIL_INDEX ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, type ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + return( 0 ); + } + + public static boolean legalFormat( int format ) { + switch( format ) { + case( GL2.GL_COLOR_INDEX ): + case( GL2.GL_STENCIL_INDEX ): + case( GL2.GL_DEPTH_COMPONENT ): + case( GL2.GL_RED ): + case( GL2.GL_GREEN ): + case( GL2.GL_BLUE ): + case( GL2.GL_ALPHA ): + case( GL2.GL_RGB ): + case( GL2.GL_RGBA ): + case( GL2.GL_LUMINANCE ): + case( GL2.GL_LUMINANCE_ALPHA ): + case( GL2.GL_BGR ): + case( GL2.GL_BGRA ): + return( true ); + default: + return( false ); + } + } + + public static boolean legalType( int type ) { + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + return( true ); + default: + return( false ); + } + } + + public static boolean isTypePackedPixel( int type ) { + assert( legalType( type ) ); + + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( true ); + } + return( false ); + } + + public static boolean isLegalFormatForPackedPixelType( int format, int type ) { + // if not a packed pixel type then return true + if( isTypePackedPixel( type ) ) { + return( true ); + } + + // 3_3_2/2_3_3_REV & 5_6_5/5_6_5_REV are only compatible with RGB + if( (type == GL2.GL_UNSIGNED_BYTE_3_3_2 || type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV ) + & format != GL2.GL_RGB ) { + return( false ); + } + + // 4_4_4_4/4_4_4_4_REV & 5_5_5_1/1_5_5_5_REV & 8_8_8_8/8_8_8_8_REV & + // 10_10_10_2/2_10_10_10_REV are only campatible with RGBA, BGRA & ARGB_EXT + if( ( type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) && + (format != GL2.GL_RGBA && format != GL2.GL_BGRA) ) { + return( false ); + } + return( true ); + } + + public static boolean isLegalLevels( int userLevel, int baseLevel, int maxLevel, + int totalLevels ) { + if( (baseLevel < 0) || (baseLevel < userLevel) || (maxLevel < baseLevel) || + (totalLevels < maxLevel) ) { + return( false ); + } + return( true ); + } + + /* Given user requested textures size, determine if it fits. If it doesn't then + * halve both sides and make the determination again until it does fit ( for + * IR only ). + * Note that proxy textures are not implemented in RE* even though they + * advertise the texture extension. + * Note that proxy textures are implemented but not according to spec in IMPACT* + */ + public static void closestFit( GL gl, int target, int width, int height, int internalFormat, + int format, int type, int[] newWidth, int[] newHeight ) { + // Use proxy textures if OpenGL version >= 1.1 + if( Double.parseDouble( gl.glGetString( GL.GL_VERSION ).trim().substring( 0, 3 ) ) >= 1.1 ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int[] proxyWidth = new int[1]; + boolean noProxyTextures = false; + + // Some drivers (in particular, ATI's) seem to set a GL error + // when proxy textures are used even though this is in violation + // of the spec. Guard against this and interactions with the + // DebugGL by watching for GLException. + try { + do { + // compute level 1 width & height, clamping each at 1 + int widthAtLevelOne = ( ( width > 1 ) ? (widthPowerOf2 >> 1) : widthPowerOf2 ); + int heightAtLevelOne = ( ( height > 1 ) ? (heightPowerOf2 >> 1) : heightPowerOf2 ); + int proxyTarget; + + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + + // does width x height at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_2D || target == GL2.GL_PROXY_TEXTURE_2D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_2D; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else if( (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Z) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_CUBE_MAP; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else { + assert( target == GL2.GL_TEXTURE_1D || target == GL2.GL_PROXY_TEXTURE_1D ); + proxyTarget = GL2.GL_PROXY_TEXTURE_1D; + gl.getGL2().glTexImage1D( proxyTarget, 1, internalFormat, widthAtLevelOne, + 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit? + if( proxyWidth[0] == 0 ) { // nope, so try again with theses sizes + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 ) { + /* A 1x1 texture couldn't fit for some reason so break out. This + * should never happen. But things happen. The disadvantage with + * this if-statement is that we will never be aware of when this + * happens since it will silently branch out. + */ + noProxyTextures = true; + break; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + } + // else it does fit + } while( proxyWidth[0] == 0 ); + } catch (GLException e) { + noProxyTextures = true; + } + // loop must terminate + // return the width & height at level 0 that fits + if( !noProxyTextures ) { + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + return; + } + } + int[] maxsize = new int[1]; + gl.glGetIntegerv( GL2.GL_MAX_TEXTURE_SIZE, maxsize , 0); + // clamp user's texture sizes to maximum sizes, if necessary + newWidth[0] = nearestPower( width ); + if( newWidth[0] > maxsize[0] ) { + newWidth[0] = maxsize[0]; + } + newHeight[0] = nearestPower( height ); + if( newHeight[0] > maxsize[0] ) { + newHeight[0] = maxsize[0]; + } + } + + public static void closestFit3D( GL gl, int target, int width, int height, int depth, + int internalFormat, int format, int type, int[] newWidth, int[] newHeight, + int[] newDepth ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int depthPowerOf2 = nearestPower( depth ); + int[] proxyWidth = new int[1]; + + do { + // compute level 1 width & height & depth, clamping each at 1 + int widthAtLevelOne = (widthPowerOf2 > 1) ? widthPowerOf2 >> 1 : widthPowerOf2; + int heightAtLevelOne = (heightPowerOf2 > 1) ? heightPowerOf2 >> 1 : heightPowerOf2; + int depthAtLevelOne = (depthPowerOf2 > 1) ? depthPowerOf2 >> 1 : depthPowerOf2; + int proxyTarget = 0; + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + assert( depthAtLevelOne > 0 ); + + // does width x height x depth at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_3D || target == GL2.GL_PROXY_TEXTURE_3D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_3D; + gl.getGL2().glTexImage3D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, depthAtLevelOne, 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit + if( proxyWidth[0] == 0 ) { + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 && depthPowerOf2 == 1 ) { + newWidth[0] = newHeight[0] = newDepth[0] = 1; + return; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + depthPowerOf2 = depthAtLevelOne; + } + } while( proxyWidth[0] == 0 ); + // loop must terminate + + // return the width & height at level 0 that fits + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + newDepth[0] = depthPowerOf2; + } + + public static int elements_per_group( int format, int type ) { + // Return the number of elements per grtoup of a specified gromat + + // If the type is packedpixels then answer is 1 + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( 1 ); + } + + // Types are not packed pixels so get elements per group + switch( format ) { + case( GL2.GL_RGB ): + case( GL2.GL_BGR ): + return( 3 ); + case( GL2.GL_LUMINANCE_ALPHA ): + return( 2 ); + case( GL2.GL_RGBA ): + case( GL2.GL_BGRA ): + return( 4 ); + default: + return( 1 ); + } + } + + public static int bytes_per_element( int type ) { + // return the number of bytes per element, based on the element type + + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + return( 1 ); + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + return( 2 ); + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + case( GL2.GL_FLOAT ): + return( 4 ); + default: + return( 4 ); + } + } + + public static boolean is_index( int format ) { + return( format == GL2.GL_COLOR_INDEX || format == GL2.GL_STENCIL_INDEX ); + } + + /* Compute memory required for internal packed array of data of given type and format. */ + + public static int image_size( int width, int height, int format, int type ) { + int bytes_per_row; + int components; + + assert( width > 0 ); + assert( height > 0 ); + components = elements_per_group( format, type ); + if( type == GL2.GL_BITMAP ) { + bytes_per_row = (width + 7) / 8; + } else { + bytes_per_row = bytes_per_element( type ) * width; + } + return( bytes_per_row * height * components ); + } + + public static int imageSize3D( int width, int height, int depth, int format, int type ) { + int components = elements_per_group( format, type ); + int bytes_per_row = bytes_per_element( type ) * width; + + assert( width > 0 && height > 0 && depth > 0 ); + assert( type != GL2.GL_BITMAP ); + + return( bytes_per_row * height * depth * components ); + } + + public static void retrieveStoreModes( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + } + + public static void retrieveStoreModes3D( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_IMAGES, a, 0); + psm.setUnpackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_IMAGE_HEIGHT, a, 0); + psm.setUnpackImageHeight( a[0] ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0 ); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0 ); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0 ); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_IMAGES, a, 0 ); + psm.setPackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_IMAGE_HEIGHT, a, 0 ); + psm.setPackImageHeight( a[0] ); + } + + public static int gluScaleImage( GL gl, int format, int widthin, int heightin, + int typein, ByteBuffer datain, int widthout, int heightout, + int typeout, ByteBuffer dataout ) { + int datainPos = datain.position(); + int dataoutPos = dataout.position(); + try { + + int components; + ByteBuffer beforeimage; + ByteBuffer afterimage; + PixelStorageModes psm = new PixelStorageModes(); + + if( (widthin == 0) || (heightin == 0) || (widthout == 0) || (heightout == 0) ) { + return( 0 ); + } + if( (widthin < 0) || (heightin < 0) || (widthout < 0) || (heightout < 0) ) { + return( GLU.GLU_INVALID_VALUE ); + } + if( !legalFormat( format ) || !legalType( typein ) || !legalType( typeout ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, typein ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + if( !isLegalFormatForPackedPixelType( format, typeout ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + beforeimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthin, heightin, format, GL2.GL_UNSIGNED_SHORT ) )); + afterimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthout, heightout, format, GL2.GL_UNSIGNED_SHORT ) )); + if( beforeimage == null || afterimage == null ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + + retrieveStoreModes( gl, psm ); + Image.fill_image( psm, widthin, heightin, format, typein, is_index( format ), datain, beforeimage.asShortBuffer() ); + components = elements_per_group( format, 0 ); + ScaleInternal.scale_internal( components, widthin, heightin, beforeimage.asShortBuffer(), widthout, heightout, afterimage.asShortBuffer() ); + Image.empty_image( psm, widthout, heightout, format, typeout, is_index( format ), afterimage.asShortBuffer(), dataout ); + + return( 0 ); + } finally { + datain.position(datainPos); + dataout.position(dataoutPos); + } + } + + public static int gluBuild1DMipmapLevels( GL gl, int target, int internalFormat, + int width, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, width, + width, format, type, userLevel, baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild1DMipmaps( GL gl, int target, int internalFormat, int width, + int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + + try { + int[] widthPowerOf2 = new int[1]; + int levels; + int[] dummy = new int[1]; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy ); + levels = computeLog( widthPowerOf2[0] ); + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, + width, widthPowerOf2[0], format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + + public static int gluBuild2DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int format, int type, int userLevel, + int baseLevel, int maxLevel, Object data ) { + int dataPos = 0; + + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, width, height, format, type, userLevel, baseLevel, + maxLevel, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, Object data ) { + int dataPos = 0; + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, height, internalFormat, format, type, + widthPowerOf2, heightPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, widthPowerOf2[0], heightPowerOf2[0], format, type, 0, + 0, levels, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild3DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int[] depthPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + closestFit3D( gl, target, width, height, depth, internalFormat, format, + type, widthPowerOf2, heightPowerOf2, depthPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + level = computeLog( depthPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, widthPowerOf2[0], heightPowerOf2[0], depthPowerOf2[0], + format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild3DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + level = computeLog( depth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, width, height, depth, format, type, userLevel, + baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java new file mode 100644 index 000000000..43b5c5691 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java @@ -0,0 +1,426 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +/** + * + * @author Administrator + */ +public class PixelStorageModes { + + /** + * Holds value of property packAlignment. + */ + private int packAlignment; + + /** + * Holds value of property packRowLength. + */ + private int packRowLength; + + /** + * Holds value of property packSkipRows. + */ + private int packSkipRows; + + /** + * Holds value of property packSkipPixels. + */ + private int packSkipPixels; + + /** + * Holds value of property packLsbFirst. + */ + private boolean packLsbFirst; + + /** + * Holds value of property packSwapBytes. + */ + private boolean packSwapBytes; + + /** + * Holds value of property packSkipImages. + */ + private int packSkipImages; + + /** + * Holds value of property packImageHeight. + */ + private int packImageHeight; + + /** + * Holds value of property unpackAlignment. + */ + private int unpackAlignment; + + /** + * Holds value of property unpackRowLength. + */ + private int unpackRowLength; + + /** + * Holds value of property unpackSkipRows. + */ + private int unpackSkipRows; + + /** + * Holds value of property unpackSkipPixels. + */ + private int unpackSkipPixels; + + /** + * Holds value of property unpackLsbFirst. + */ + private boolean unpackLsbFirst; + + /** + * Holds value of property unpackSwapBytes. + */ + private boolean unpackSwapBytes; + + /** + * Holds value of property unpackSkipImages. + */ + private int unpackSkipImages; + + /** + * Holds value of property unpackImageHeight. + */ + private int unpackImageHeight; + + /** Creates a new instance of PixelStorageModes */ + public PixelStorageModes() { + } + + /** + * Getter for property packAlignment. + * @return Value of property packAlignment. + */ + public int getPackAlignment() { + + return this.packAlignment; + } + + /** + * Setter for property packAlignment. + * @param packAlignment New value of property packAlignment. + */ + public void setPackAlignment(int packAlignment) { + + this.packAlignment = packAlignment; + } + + /** + * Getter for property packRowLength. + * @return Value of property packRowLength. + */ + public int getPackRowLength() { + + return this.packRowLength; + } + + /** + * Setter for property packRowLength. + * @param packRowLength New value of property packRowLength. + */ + public void setPackRowLength(int packRowLength) { + + this.packRowLength = packRowLength; + } + + /** + * Getter for property packSkipRows. + * @return Value of property packSkipRows. + */ + public int getPackSkipRows() { + + return this.packSkipRows; + } + + /** + * Setter for property packSkipRows. + * @param packSkipRows New value of property packSkipRows. + */ + public void setPackSkipRows(int packSkipRows) { + + this.packSkipRows = packSkipRows; + } + + /** + * Getter for property packSkipPixels. + * @return Value of property packSkipPixels. + */ + public int getPackSkipPixels() { + + return this.packSkipPixels; + } + + /** + * Setter for property packSkipPixels. + * @param packSkipPixels New value of property packSkipPixels. + */ + public void setPackSkipPixels(int packSkipPixels) { + + this.packSkipPixels = packSkipPixels; + } + + /** + * Getter for property packLsbFirst. + * @return Value of property packLsbFirst. + */ + public boolean getPackLsbFirst() { + + return this.packLsbFirst; + } + + /** + * Setter for property packLsbFirst. + * @param packLsbFirst New value of property packLsbFirst. + */ + public void setPackLsbFirst(boolean packLsbFirst) { + + this.packLsbFirst = packLsbFirst; + } + + /** + * Getter for property packSwapBytes. + * @return Value of property packSwapBytes. + */ + public boolean getPackSwapBytes() { + + return this.packSwapBytes; + } + + /** + * Setter for property packSwapBytes. + * @param packSwapBytes New value of property packSwapBytes. + */ + public void setPackSwapBytes(boolean packSwapBytes) { + + this.packSwapBytes = packSwapBytes; + } + + /** + * Getter for property packSkipImages. + * @return Value of property packSkipImages. + */ + public int getPackSkipImages() { + + return this.packSkipImages; + } + + /** + * Setter for property packSkipImages. + * @param packSkipImages New value of property packSkipImages. + */ + public void setPackSkipImages(int packSkipImages) { + + this.packSkipImages = packSkipImages; + } + + /** + * Getter for property packImageHeight. + * @return Value of property packImageHeight. + */ + public int getPackImageHeight() { + + return this.packImageHeight; + } + + /** + * Setter for property packImageHeight. + * @param packImageHeight New value of property packImageHeight. + */ + public void setPackImageHeight(int packImageHeight) { + + this.packImageHeight = packImageHeight; + } + + /** + * Getter for property unpackAlignment. + * @return Value of property unpackAlignment. + */ + public int getUnpackAlignment() { + + return this.unpackAlignment; + } + + /** + * Setter for property unpackAlignment. + * @param unpackAlignment New value of property unpackAlignment. + */ + public void setUnpackAlignment(int unpackAlignment) { + + this.unpackAlignment = unpackAlignment; + } + + /** + * Getter for property unpackRowLength. + * @return Value of property unpackRowLength. + */ + public int getUnpackRowLength() { + + return this.unpackRowLength; + } + + /** + * Setter for property unpackRowLength. + * @param unpackRowLength New value of property unpackRowLength. + */ + public void setUnpackRowLength(int unpackRowLength) { + + this.unpackRowLength = unpackRowLength; + } + + /** + * Getter for property unpackSkipRows. + * @return Value of property unpackSkipRows. + */ + public int getUnpackSkipRows() { + + return this.unpackSkipRows; + } + + /** + * Setter for property unpackSkipRows. + * @param unpackSkipRows New value of property unpackSkipRows. + */ + public void setUnpackSkipRows(int unpackSkipRows) { + + this.unpackSkipRows = unpackSkipRows; + } + + /** + * Getter for property unpackSkipPixels. + * @return Value of property unpackSkipPixels. + */ + public int getUnpackSkipPixels() { + + return this.unpackSkipPixels; + } + + /** + * Setter for property unpackSkipPixels. + * @param unpackSkipPixels New value of property unpackSkipPixels. + */ + public void setUnpackSkipPixels(int unpackSkipPixels) { + + this.unpackSkipPixels = unpackSkipPixels; + } + + /** + * Getter for property unpackLsbFirst. + * @return Value of property unpackLsbFirst. + */ + public boolean getUnpackLsbFirst() { + + return this.unpackLsbFirst; + } + + /** + * Setter for property unpackLsbFirst. + * @param unpackLsbFirst New value of property unpackLsbFirst. + */ + public void setUnpackLsbFirst(boolean unpackLsbFirst) { + + this.unpackLsbFirst = unpackLsbFirst; + } + + /** + * Getter for property unpackSwapBytes. + * @return Value of property unpackSwapBytes. + */ + public boolean getUnpackSwapBytes() { + + return this.unpackSwapBytes; + } + + /** + * Setter for property unpackSwapBytes. + * @param unpackSwapBytes New value of property unpackSwapBytes. + */ + public void setUnpackSwapBytes(boolean unpackSwapBytes) { + + this.unpackSwapBytes = unpackSwapBytes; + } + + /** + * Getter for property unpackSkipImages. + * @return Value of property unpackSkipImages. + */ + public int getUnpackSkipImages() { + + return this.unpackSkipImages; + } + + /** + * Setter for property unpackSkipImages. + * @param unpackSkipImages New value of property unpackSkipImages. + */ + public void setUnpackSkipImages(int unpackSkipImages) { + + this.unpackSkipImages = unpackSkipImages; + } + + /** + * Getter for property unpackImageHeight. + * @return Value of property unpackImageHeight. + */ + public int getUnpackImageHeight() { + + return this.unpackImageHeight; + } + + /** + * Setter for property unpackImageHeight. + * @param unpackImageHeight New value of property unpackImageHeight. + */ + public void setUnpackImageHeight(int unpackImageHeight) { + + this.unpackImageHeight = unpackImageHeight; + } + + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java new file mode 100644 index 000000000..f0bb7fb33 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java @@ -0,0 +1,2447 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import java.nio.*; +import com.jogamp.opengl.impl.InternalBufferUtil; + +/** + * + * @author Administrator + */ +public class ScaleInternal { + + public static final float UINT_MAX = (float)(0x00000000FFFFFFFF); + + public static void scale_internal( int components, int widthin, int heightin, + ShortBuffer datain, int widthout, int heightout, ShortBuffer dataout ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float xpercent, ypercent; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, yint, xint, xindex, yindex; + int temp; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage( components, widthin, heightin, datain, dataout ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + halfconvx = convx / 2; + halfconvy = convy / 2; + for( i = 0; i < heightout; i++ ) { + y = convy * ( i + 0.5f ); + if( heightin > heightout ) { + highy = y + halfconvy; + lowy = y - halfconvy; + } else { + highy = y + 0.5f; + lowy = y - 0.5f; + } + for( j = 0; j < widthout; j++ ) { + x = convx * ( j + 0.5f ); + if( widthin > widthout ) { + highx = x + halfconvx; + lowx = x - halfconvx; + } else { + highx = x + 0.5f; + lowx = x - 0.5f; + } + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + area = 0.0f; + + y = lowy; + yint = (int)Math.floor( y ); + while( y < highy ) { + yindex = ( yint + heightin ) % heightin; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)Math.floor( x ); + + while( x < highx ) { + xindex = ( xint + widthin ) % widthin; + if( highx < xint + 1 ) { + xpercent = highx -x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent; + area += percent; + temp = ( xindex + ( yindex * widthin) ) * components; + for( k = 0; k < components; k++ ) { + totals[k] += datain.get( temp + k ) * percent; + } + + xint++; + x = xint; + } + yint++; + y = yint; + } + + temp = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + // totals[] should be rounded in the case of enlarging an RGB + // ramp when the type is 332 or 4444 + dataout.put( temp + k, (short)((totals[k] + 0.5f) / area) ); + } + } + } + } + + public static void scale_internal_ubyte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ubyte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = ( 0x000000FF & datain.get() ) * ( 1.0f - lowx_float ); + datain.position( right ); + f += ( 0x000000FF & datain.get() ) * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_byte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, + int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_byte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = datain.get() * ( 1 - lowx_float ); + datain.position( right ); + f += datain.get() * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get(); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_ushort( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ushort( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & (Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + float f = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * ( 1 - lowx_float ); + datain.position( right ); + f += ((0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * highx_float); + totals[k] += f; + } else { + datain.position( left ); + float f = ((0x0000FFFF & datain.getShort()) * ( 1 - lowx_float )); + datain.position( right ); + f += ((0x0000FFFF & datain.getShort()) * highx_float); + totals[k] += f; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * x_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort())); + } else { + totals[k] += (0x0000FFFF & datain.getShort()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_short( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + int swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_short( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += datain.getShort() * ( 1 - lowx_float ); + datain.position( right ); + totals[k] += datain.getShort() * highx_float; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort()); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getShort() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getShort(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_uint( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_uint( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * highx_float); + } else { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * x_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + long tempInt0 = ( 0xFFFFFFFFL & datain.getInt( temp_index ) ); + datain.position( temp_index ); + long tempInt1 = ( 0xFFFFFFFFL & datain.getInt() ); + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())); + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + float value = 0.0f; + for( k = 0; k < components; k++ ) { + value = totals[k] / area; + dataout.position( outindex + k ); + if( value >= UINT_MAX ) { + dataout.put( (int)value ); + } else { + dataout.put( (int)(totals[k] / area) ); + } + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_int( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + long swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_int( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getInt() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getInt() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getInt() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getInt(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (int)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_float( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + float swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_float( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getFloat() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getFloat() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getFloat() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getFloat(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scaleInternalPackedPixel( int components, Extract extract, + int widthIn, int heightIn, ByteBuffer dataIn, int widthOut, + int heightOut, ByteBuffer dataOut, int pixelSizeInBytes, + int rowSizeInBytes, boolean isSwap ) { + float x, convx; + float y, convy; + float percent; + + // max components in a format is 4, so + float[] totals = new float[4]; + float[] extractTotals = new float[4]; + float[] extractMoreTotals = new float[4]; + float[] shoveTotals = new float[4]; + + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outIndex = 0; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( widthIn == widthOut * 2 && heightIn == heightOut * 2 ) { + HalveImage.halveImagePackedPixel( components, extract, widthIn, heightIn, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + convy = (float)heightIn / (float)heightOut; + convx = (float)widthIn / (float)widthOut; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convx_float; + + for( i = 0; i < heightOut; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightIn) + highy_int = heightIn - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthOut; j++ ) { + // ok now apply box filter to box that goes from( lowx, lowy ) + // to ( highx, highy ) on input data into this pixel on output data + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // calculate that value for pixels in the 1st row + xindex = lowx_int * pixelSizeInBytes; + if( (highy_int > lowy_int) && (highx_int > lowx_int) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * rowSizeInBytes; + percent = y_percent * ( 1 - lowx_float ); + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + right = temp; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + // calculate the value for pixels in the last row + + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + + // calculate the value for pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += rowSizeInBytes; + right += rowSizeInBytes; + dataIn.position( left ); + extract.extract( isSwap, dataIn, extractTotals ); + dataIn.position( right ); + extract.extract( isSwap, dataIn, extractMoreTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += ( extractTotals[k] * ( 1 - lowx_float ) + extractMoreTotals[k] * highx_float ); + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float ) * x_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * x_percent; + } + } + percent = x_percent * highy_float; + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + pixelSizeInBytes + ( lowy_int + 1 ) * rowSizeInBytes; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + temp += pixelSizeInBytes; + } + temp0 += rowSizeInBytes; + } + + outIndex = ( j + ( i * widthOut ) ); + for( k = 0; k < components; k++ ) { + shoveTotals[k] = totals[k] / area; + } + extract.shove( shoveTotals, outIndex, dataOut ); + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthIn - 1) { + int delta = (highx_int - widthIn + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + assert( outIndex == ( widthOut * heightOut - 1) ); + } + + public static void scaleInternal3D( int components, int widthIn, int heightIn, + int depthIn, ShortBuffer dataIn, int widthOut, int heightOut, + int depthOut, ShortBuffer dataOut ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float z, lowz, highz, convz, halfconvz; + float xpercent, ypercent, zpercent; + float percent; + // max compnents in a format is 4 + float[] totals = new float[4]; + float volume; + int i, j, d, k, zint, yint, xint, xindex, yindex, zindex; + int temp; + + lowy = highy = lowx = highx = 0.0f; + + convz = (float)depthIn / depthOut; + convy = (float)heightIn / heightOut; + convx = (float)widthIn / widthOut; + halfconvz = convz / 2.0f; + halfconvy = convy / 2.0f; + halfconvx = convx / 2.0f; + for( d = 0; d < depthOut; d++ ) { + z = convz * ( d + 0.5f ); + if( depthIn > depthOut ) { + highz = z + halfconvz; + lowz = z - halfconvz; + } else { + highz = z + 0.5f; + lowz = z - 0.5f; + } + for( i = 0; i < heightOut; i++ ) { + y = convy * ( i + 0.5f ); + if( heightIn > heightOut ) { + highz = y + halfconvy; + lowz = y - halfconvy; + } else { + highz = y + 0.5f; + lowz = y - 0.5f; + } + for( j = 0; j < widthOut; j++ ) { + x = convx * ( j + 0.5f ); + if( depthIn > depthOut ) { + highz = x + halfconvx; + lowz = x - halfconvx; + } else { + highz = x + 0.5f; + lowz = x - 0.5f; + } + + // Ok, now apply box filter to box that goes from ( lowx, lowy, lowz ) + // to ( highx, highy, highz ) on input data into this pixel on output data + + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + volume = 0.0f; + + z = lowz; + zint = (int)(Math.floor( z ) ); + while( z < highz ) { + zindex = ( zint + depthIn ) % depthIn; + if( highz < zint + 1 ) { + zpercent = highz - z; + } else { + zpercent = zint + 1 - z; + } + + y = lowy; + yint = (int)(Math.floor( y ) ); + while( y < highy ) { + yindex = ( yint + heightIn ) % heightIn; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)(Math.floor( x ) ); + + while( x < highx ) { + xindex = (xint + widthIn ) % widthIn; + if( highx < xint + 1 ) { + xpercent = highx - x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent * zpercent; + volume += percent; + + temp = (xindex + ( yindex *widthIn) + (zindex * widthIn *heightIn)) * components; + for( k = 0; k < components; k++ ) { + assert( 0 <= (temp+k) && (temp+k) < (widthIn * heightIn * depthIn * components) ); + totals[k] += dataIn.get( temp + k ) * percent; + } + xint++; + x = xint; + } // while x + yint++; + y = yint; + } // while y + zint++; + z = zint; + } // while z + + temp = ( j + ( i * widthOut ) + (d * widthOut * heightOut ) ) * components; + for( k = 0; k < components; k++ ) { + // totals should be rounded in the case of enlarging an rgb ramp when the type is 332 or 4444 + assert( 0 <= ( temp + k ) && ( temp + k ) < (widthOut * heightOut* depthOut * components) ); + dataOut.put( temp + k, (short)((totals[k] + 0.5f) / volume ) ); + } + } + } + } + } + + public static int gluScaleImage3D( GL gl, int format, int widthIn, int heightIn, + int depthIn, int typeIn, ByteBuffer dataIn, int widthOut, int heightOut, + int depthOut, int typeOut, ByteBuffer dataOut ) { + int components; + ShortBuffer beforeImage, afterImage; + PixelStorageModes psm = new PixelStorageModes(); + + if( widthIn == 0 || heightIn == 0 || depthIn == 0 || + widthOut == 0 || heightOut == 0 || depthOut == 0 ) { + return( 0 ); + } + + if( widthIn < 0 || heightIn < 0 || depthIn < 0 || + widthOut < 0 || heightOut < 0 || depthOut < 0 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( !Mipmap.legalFormat(format) || !Mipmap.legalType(typeIn) || + !Mipmap.legalType(typeOut) || typeIn == GL2.GL_BITMAP || + typeOut == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeIn ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeOut ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + try { + beforeImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + afterImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + Mipmap.retrieveStoreModes3D( gl, psm ); + + Image.fillImage3D( psm, widthIn, heightIn, depthIn, format, typeIn, + Mipmap.is_index( format ), dataIn, beforeImage ); + components = Mipmap.elements_per_group( format, 0 ); + ScaleInternal.scaleInternal3D( components, widthIn, heightIn, depthIn, + beforeImage, widthOut, heightOut, depthOut, afterImage ); + Image.emptyImage3D( psm, widthOut, heightOut, depthOut, format, typeOut, + Mipmap.is_index( format ), afterImage, dataOut ); + + return( 0 ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java new file mode 100644 index 000000000..b329840ef --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java @@ -0,0 +1,224 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Type_Widget { + + ByteBuffer buffer; + + /** Creates a new instance of Type_Widget */ + public Type_Widget() { + buffer = ByteBuffer.allocateDirect( 4 ); + } + + public void setUB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getUB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setUB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getUB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setUB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getUB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setUB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getUB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setUS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getUS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setUS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getUS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setUI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getUI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setF( float f ) { + buffer.position( 0 ); + buffer.putFloat( f ); + } + + public float getF() { + buffer.position( 0 ); + return( buffer.getFloat() ); + } + + public ByteBuffer getBuffer() { + buffer.rewind(); + return( buffer ); + } + + public static void main( String args[] ) { + Type_Widget t = new Type_Widget(); + t.setI( 1000000 ); + + System.out.println("int: " + Integer.toHexString( t.getI() ) ); + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java new file mode 100755 index 000000000..9ee2494a1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java @@ -0,0 +1,258 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +*/ + +/** + * Trimming arc + * @author Tomas Hrasky + * + */ +public class Arc { + /** + * Corresponding picewise-linear arc + */ + public PwlArc pwlArc; + + /** + * Arc type + */ + private long type; + + /** + * Arc link in linked list + */ + public Arc link; + + /** + * Previous arc + */ + Arc prev; + + /** + * Next arc + */ + Arc next; + + /** + * Corresponding berizer type arc + */ + private BezierArc bezierArc; + + /** + * Makes new arc at specified side + * + * @param side + * which side doeas this arc form + */ + public Arc(int side) { + bezierArc = null; + pwlArc = null; + type = 0; + setside(side); + // nuid=_nuid + } + + /** + * Sets side the arc is at + * + * @param side + * arc side + */ + private void setside(int side) { + // DONE + clearside(); + type |= side << 8; + } + + /** + * Unsets side + */ + private void clearside() { + // DONE + type &= ~(0x7 << 8); + } + + // this one replaces enum arc_side + /** + * Side not specified + */ + public static final int ARC_NONE = 0; + + /** + * Arc on right + */ + public static final int ARC_RIGHT = 1; + + /** + * Arc on top + */ + public static final int ARC_TOP = 2; + + /** + * Arc on left + */ + public static final int ARC_LEFT = 3; + + /** + * Arc on bottom + */ + public static final int ARC_BOTTOM = 4; + + /** + * Bezier type flag + */ + private static final long BEZIER_TAG = 1 << 13; + + /** + * Arc type flag + */ + private static final long ARC_TAG = 1 << 3; + + /** + * Tail type tag + */ + private static final long TAIL_TAG = 1 << 6; + + /** + * Appends arc to the list + * + * @param jarc + * arc to be append + * @return this + */ + public Arc append(Arc jarc) { + // DONE + if (jarc != null) { + next = jarc.next; + prev = jarc; + next.prev = this; + prev.next = this; + } else { + next = this; + prev = this; + } + + return this; + } + + /** + * Unused + * + * @return true + */ + public boolean check() { + return true; + } + + /** + * Sets bezier type flag + */ + public void setbezier() { + // DONE + type |= BEZIER_TAG; + + } + + /** + * Returns tail of linked list coords + * + * @return tail coords + */ + public float[] tail() { + // DONE + return pwlArc.pts[0].param; + } + + /** + * Returns head of linked list coords + * + * @return head coords + */ + public float[] head() { + // DONE + return next.pwlArc.pts[0].param; + } + + /** + * Returns whether arc is marked with arc_tag + * + * @return is arc marked with arc_tag + */ + public boolean ismarked() { + // DONE + return ((type & ARC_TAG) > 0) ? true : false; + } + + /** + * Cleans arc_tag flag + */ + public void clearmark() { + // DONE + type &= (~ARC_TAG); + } + + /** + * Sets arc_tag flag + */ + public void setmark() { + // DONE + type |= ARC_TAG; + } + + /** + * sets tail tag + */ + public void setitail() { + // DONE + type |= TAIL_TAG; + } + + /** + * Returns whether arc is marked tail + * + * @return is tail + */ + public boolean getitail() { + return false; + } + + /** + * Unsets tail tag + */ + public void clearitail() { + // DONE + type &= (~TAIL_TAG); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java new file mode 100755 index 000000000..3955e3176 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java @@ -0,0 +1,63 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for sorting list of Arcs + * @author Tomas Hrasky + * + */ +public class ArcSdirSorter { + + /** + * Makes new ArcSdirSorter with Subdivider + * @param subdivider subdivider + */ + public ArcSdirSorter(Subdivider subdivider) { + //TODO + // System.out.println("TODO arcsdirsorter.constructor"); + } + + /** + * Sorts list of arcs + * @param list arc list to be sorted + * @param count size of list + */ + public void qsort(CArrayOfArcs list, int count) { + // TODO + // System.out.println("TODO arcsdirsorter.qsort"); + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java new file mode 100755 index 000000000..098ba97b7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java @@ -0,0 +1,60 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for sorting list of Arcs + * @author Tomas Hrasky + * + */ +public class ArcTdirSorter { + /** + * Makes new ArcSdirSorter with Subdivider + * @param subdivider subdivider + */ + public ArcTdirSorter(Subdivider subdivider) { + // TODO Auto-generated constructor stub + // System.out.println("TODO arcTsorter.konstruktor"); + } + /** + * Sorts list of arcs + * @param list arc list to be sorted + * @param count size of list + */ + public void qsort(CArrayOfArcs list, int count) { + // TODO Auto-generated method stub + // System.out.println("TODO arcTsorter.qsort"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java new file mode 100755 index 000000000..edfb8905f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java @@ -0,0 +1,90 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for arc tesselation + * @author Tomas Hrasky + * + */ +public class ArcTesselator { + + /** + * Makes given arc an bezier arc + * @param arc arc to work with + * @param s1 minimum s param + * @param s2 maximum s param + * @param t1 minimum t param + * @param t2 maximum s param + */ + public void bezier(Arc arc, float s1, float s2, float t1, float t2) { + // DONE + TrimVertex[] p = new TrimVertex[2]; + p[0] = new TrimVertex(); + p[1] = new TrimVertex(); + arc.pwlArc = new PwlArc(2, p); + p[0].param[0] = s1; + p[0].param[1] = s2; + p[1].param[0] = t1; + p[1].param[1] = t2; + arc.setbezier(); + } + + /** + * Empty method + * @param newright arc to work with + * @param s first tail + * @param t2 second tail + * @param t1 third tail + * @param f stepsize + */ + public void pwl_right(Arc newright, float s, float t1, float t2, float f) { + // TODO Auto-generated method stub + // System.out.println("TODO arctesselator.pwl_right"); + } + + /** + * Empty method + * @param newright arc to work with + * @param s first tail + * @param t2 second tail + * @param t1 third tail + * @param f stepsize + */ + public void pwl_left(Arc newright, float s, float t2, float t1, float f) { + // TODO Auto-generated method stub + // System.out.println("TODO arctesselator.pwl_left"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java new file mode 100755 index 000000000..39097720c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java @@ -0,0 +1,217 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class responsible for rendering + * @author Tomas Hrasky + * + */ +public abstract class Backend { + + /** + * Fill surface + */ + public static final int N_MESHFILL = 0; + + /** + * Draw surface as wire model + */ + public static final int N_MESHLINE = 1; + + /** + * Draw surface with points + */ + public static final int N_MESHPOINT = 2; + + /** + * Object rendering curves + */ + protected CurveEvaluator curveEvaluator; + + /** + * Object rendering surfaces + */ + protected SurfaceEvaluator surfaceEvaluator; + + /** + * Makes new backend + */ + public Backend() { + // curveEvaluator = new OpenGLCurveEvaluator(); + // surfaceEvaluator = new OpenGLSurfaceEvaluator(); + } + + /** + * Begin a curve + */ + public void bgncurv() { + // DONE + curveEvaluator.bgnmap1f(); + + } + + /** + * End a curve + */ + public void endcurv() { + // DONE + curveEvaluator.endmap1f(); + + } + + /** + * Make cuve with given parameters + * @param type curve type + * @param ps control points + * @param stride control points coordinates number + * @param order order of curve + * @param ulo smallest u + * @param uhi highest u + */ + public void curvpts(int type, CArrayOfFloats ps, int stride, int order, + float ulo, float uhi) { + // DONE + curveEvaluator.map1f(type, ulo, uhi, stride, order, ps); + curveEvaluator.enable(type); + } + + /** + * Draw curve + * @param u1 smallest u + * @param u2 highest u + * @param nu number of pieces + */ + public void curvgrid(float u1, float u2, int nu) { + // DONE + curveEvaluator.mapgrid1f(nu, u1, u2); + + } + + /** + * Evaluates curve mesh + * @param from low param + * @param n step + */ + public void curvmesh(int from, int n) { + // DONE + curveEvaluator.mapmesh1f(N_MESHFILL, from, from + n); + } + + /** + * Begin surface + * @param wiretris use triangles + * @param wirequads use quads + */ + public void bgnsurf(int wiretris, int wirequads) { + // DONE + surfaceEvaluator.bgnmap2f(); + + if (wiretris > 0) + surfaceEvaluator.polymode(NurbsConsts.N_MESHLINE); + else + surfaceEvaluator.polymode(NurbsConsts.N_MESHFILL); + } + + /** + * End surface + */ + public void endsurf() { + // DONE + surfaceEvaluator.endmap2f(); + } + + /** + * Empty method + * @param ulo low u param + * @param uhi hig u param + * @param vlo low v param + * @param vhi high v param + */ + public void patch(float ulo, float uhi, float vlo, float vhi) { + // DONE + surfaceEvaluator.domain2f(ulo, uhi, vlo, vhi); + } + + /** + * Draw surface + * @param u0 lowest u + * @param u1 highest u + * @param nu number of pieces in u direction + * @param v0 lowest v + * @param v1 highest v + * @param nv number of pieces in v direction + */ + public void surfgrid(float u0, float u1, int nu, float v0, float v1, int nv) { + // DONE + surfaceEvaluator.mapgrid2f(nu, u0, u1, nv, v0, v1); + + } + + /** + * Evaluates surface mesh + * @param u u param + * @param v v param + * @param n step in u direction + * @param m step in v direction + */ + public void surfmesh(int u, int v, int n, int m) { + // System.out.println("TODO backend.surfmesh wireframequads"); + // TODO wireframequads + surfaceEvaluator.mapmesh2f(NurbsConsts.N_MESHFILL, u, u + n, v, v + m); + } + + /** + * Make surface + * @param type surface type + * @param pts control points + * @param ustride control points coordinates in u direction + * @param vstride control points coordinates in v direction + * @param uorder surface order in u direction + * @param vorder surface order in v direction + * @param ulo lowest u + * @param uhi hightest u + * @param vlo lowest v + * @param vhi hightest v + */ + public void surfpts(int type, CArrayOfFloats pts, int ustride, int vstride, + int uorder, int vorder, float ulo, float uhi, float vlo, float vhi) { + // DONE + surfaceEvaluator.map2f(type, ulo, uhi, ustride, uorder, vlo, vhi, + vstride, vorder, pts); + surfaceEvaluator.enable(type); + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java new file mode 100755 index 000000000..d9b390b67 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomas Hrasky + * + */ +public class BezierArc { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java new file mode 100755 index 000000000..61316f348 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java @@ -0,0 +1,155 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding trimming arcs + * @author Tomas Hrasky + * + */ +public class Bin { + + /** + * Head of linked list of arcs + */ + private Arc head; + + /** + * Current arc + */ + private Arc current; + + /** + * Indicates whether there are any Arcs in linked list + * @return true if there are any Arcs in linked list + */ + public boolean isnonempty() { + // DONE + return this.head != null ? true : false; + } + + /** + * Adds and arc to linked list + * @param jarc added arc + */ + public void addarc(Arc jarc) { + // DONE + // if (head == null) + // head = jarc; + // else { + jarc.link = head; + head = jarc; + // } + + } + + /** + * Returns number of arcs in linked list + * @return number of arcs + */ + public int numarcs() { + // DONE + int count = 0; + for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) + count++; + return count; + } + + /** + * Removes first arc in list + * @return new linked list head + */ + public Arc removearc() { + // DONE + Arc jarc = head; + if (jarc != null) + head = jarc.link; + return jarc; + + } + + /** + * Consolidates linked list + */ + public void adopt() { + // DONE + markall(); + + Arc orphan; + while ((orphan = removearc()) != null) { + for (Arc parent = orphan.next; !parent.equals(orphan); parent = parent.next) { + if (!parent.ismarked()) { + orphan.link = parent.link; + parent.link = orphan; + orphan.clearmark(); + break; + } + } + } + + } + + /** + * Marks all arc in linked list + */ + private void markall() { + // DONE + for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) + jarc.setmark(); + } + + /** + * Returns first arc in linked list + * @return first arc in linked list + */ + private Arc firstarc() { + // DONE + current = head; + return nextarc(); + } + + /** + * Returns next arc in linked list + * @return next arc + * + */ + private Arc nextarc() { + // DONE + Arc jarc = current; + if (jarc != null) + current = jarc.link; + return jarc; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java new file mode 100755 index 000000000..b5b88ad96 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java @@ -0,0 +1,59 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding break point parameters + * + * @author Tomas Hrasky + * + */ +public class Breakpt { + + /** + * Breakpoint multiplicity + */ + public int multi; + + /** + * Breakpint value + */ + public float value; + + /** + * Breakpoint deficit (how many times it has to be added) + */ + public int def; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java new file mode 100755 index 000000000..0646e1d9f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java @@ -0,0 +1,194 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfArcs { + /** + * Underlaying array + */ + private Arc[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Don't check for array borders? + */ + private boolean noCheck = true; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfArcs(Arc[] array, int pointer) { + this.array = array; + // this.pointer=pointer; + setPointer(pointer); + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfArcs(CArrayOfArcs carray) { + this.array = carray.array; + // this.pointer=carray.pointer; + setPointer(carray.pointer); + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param ctlarray + * underlaying array + */ + public CArrayOfArcs(Arc[] ctlarray) { + this.array = ctlarray; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Arc get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + // pointer++; + setPointer(pointer + 1); + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Arc f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Arc get(int i) { + return array[i]; + } + + /** + * Returns array element at specified index relatively to pointer + * + * @param i + * relative index + * @return element at relative index + */ + public Arc getRelative(int i) { + return array[pointer + i]; + } + + /** + * Sets value of element at specified index relatively to pointer + * + * @param i + * relative index + * @param value + * value to be set + */ + public void setRelative(int i, Arc value) { + array[pointer + i] = value; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + // pointer-=i; + setPointer(pointer - i); + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + if (!noCheck && pointer > array.length) + throw new IllegalArgumentException("Pointer " + pointer + + " out of bounds " + array.length); + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + // pointer+=i; + setPointer(pointer + i); + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + // pointer--; + setPointer(pointer - 1); + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public Arc[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(Arc[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java new file mode 100755 index 000000000..e47fdf966 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java @@ -0,0 +1,130 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfBreakpts { + /** + * Underlaying array + */ + private Breakpt[] pole; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfBreakpts(Breakpt[] array, int pointer) { + this.pole = array; + this.pointer = pointer; + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfBreakpts(CArrayOfBreakpts carray) { + this.pole = carray.pole; + this.pointer = carray.pointer; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Breakpt get() { + return pole[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + pointer++; + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Breakpt f) { + pole[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Breakpt get(int i) { + return pole[i]; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + pointer -= i; + + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + pointer += i; + + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + pointer--; + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java new file mode 100755 index 000000000..60cef9919 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java @@ -0,0 +1,195 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfFloats { + + /** + * Underlaying array + */ + private float[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Don't check for array borders? + */ + private boolean noCheck = true; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfFloats(float[] array, int pointer) { + this.array = array; + // this.pointer=pointer; + setPointer(pointer); + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfFloats(CArrayOfFloats carray) { + this.array = carray.array; + // this.pointer=carray.pointer; + setPointer(carray.pointer); + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param ctlarray + * underlaying array + */ + public CArrayOfFloats(float[] ctlarray) { + this.array = ctlarray; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public float get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + // pointer++; + setPointer(pointer + 1); + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(float f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public float get(int i) { + return array[i]; + } + + /** + * Returns array element at specified index relatively to pointer + * + * @param i + * relative index + * @return element at relative index + */ + public float getRelative(int i) { + return array[pointer + i]; + } + + /** + * Sets value of element at specified index relatively to pointer + * + * @param i + * relative index + * @param value + * value to be set + */ + public void setRelative(int i, float value) { + array[pointer + i] = value; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + // pointer-=i; + setPointer(pointer - i); + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + if (!noCheck && pointer > array.length) + throw new IllegalArgumentException("Pointer " + pointer + + " out of bounds " + array.length); + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + // pointer+=i; + setPointer(pointer + i); + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + // pointer--; + setPointer(pointer - 1); + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public float[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(float[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java new file mode 100755 index 000000000..ef16a8204 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java @@ -0,0 +1,160 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfQuiltspecs { + /** + * Underlaying array + */ + private Quiltspec[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfQuiltspecs(Quiltspec[] array, int pointer) { + this.array = array; + this.pointer = pointer; + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfQuiltspecs(CArrayOfQuiltspecs carray) { + this.array = carray.array; + this.pointer = carray.pointer; + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param array + * underlaying array + */ + public CArrayOfQuiltspecs(Quiltspec[] array) { + this.array = array; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Quiltspec get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + pointer++; + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Quiltspec f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Quiltspec get(int i) { + return array[i]; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + pointer -= i; + + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + pointer += i; + + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + pointer--; + + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public Quiltspec[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(Quiltspec[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java new file mode 100755 index 000000000..fb1a5acea --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java @@ -0,0 +1,238 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding curve definition + * @author Tomáš Hráský + * + */ +public class Curve { + + /** + * Maximum coordinates per control point + */ + private static final int MAXCOORDS = 5; + + /** + * Max curve order + */ + private static final int MAXORDER = 24; + + /** + * Next curve in linked list + */ + public Curve next; + + /** + * OpenGL maps + */ + private Mapdesc mapdesc; + + /** + * Does the curve need sampling + */ + private boolean needsSampling; + + /** + * Culling + */ + private int cullval; + + /** + * Number of coords + */ + private int stride; + + /** + * Curve order + */ + private int order; + + /** + * Holds conversion range borders + */ + private float[] range; + + /** + * Subdivision stepsize + */ + public float stepsize; + + /** + * Minimal subdivision stepsize + */ + private float minstepsize; + + /** + * Sampling points + */ + float[] spts; + + /** + * Makes new Curve + * + * @param geo + * @param pta + * @param ptb + * @param c + * next curve in linked list + */ + public Curve(Quilt geo, float[] pta, float[] ptb, Curve c) { + + spts = new float[MAXORDER * MAXCOORDS]; + + mapdesc = geo.mapdesc; + + next = c; + needsSampling = mapdesc.isRangeSampling() ? true : false; + + cullval = mapdesc.isCulling() ? Subdivider.CULL_ACCEPT + : Subdivider.CULL_TRIVIAL_REJECT; + order = geo.qspec.get(0).order; + stride = MAXCOORDS; + + // CArrayOfFloats ps = geo.cpts; + CArrayOfFloats ps = new CArrayOfFloats(geo.cpts.getArray(), 0); + CArrayOfQuiltspecs qs = geo.qspec; + ps.raisePointerBy(qs.get().offset); + ps.raisePointerBy(qs.get().index * qs.get().order * qs.get().stride); + + if (needsSampling) { + mapdesc.xformSampling(ps, qs.get().order, qs.get().stride, spts, + stride); + } + if (cullval == Subdivider.CULL_ACCEPT) { + // System.out.println("TODO curve.Curve-cullval"); + // mapdesc.xformCulling(ps,qs.get().order,qs.get().stride,cpts,stride); + } + + range = new float[3]; + range[0] = qs.get().breakpoints[qs.get().index]; + range[1] = qs.get().breakpoints[qs.get().index + 1]; + range[2] = range[1] - range[0]; + // TODO it is necessary to solve problem with "this" pointer here + if (range[0] != pta[0]) { + // System.out.println("TODO curve.Curve-range0"); + // Curve lower=new Curve(this,pta,0); + // lower.next=next; + // this=lower; + } + if (range[1] != ptb[0]) { + // System.out.println("TODO curve.Curve-range1"); + // Curve lower=new Curve(this,ptb,0); + } + } + + /** + * Checks culling type + * @return Subdivider.CULL_ACCEPT + */ + public int cullCheck() { + if (cullval == Subdivider.CULL_ACCEPT) { + // System.out.println("TODO curve.cullval"); + // cullval=mapdesc.cullCheck(cpts,order,stride); + } + // TODO compute cullval and return the computed value + // return cullval; + return Subdivider.CULL_ACCEPT; + } + + /** + * Computes subdivision step size + */ + public void getStepSize() { + minstepsize = 0; + if (mapdesc.isConstantSampling()) { + setstepsize(mapdesc.maxrate); + } else if (mapdesc.isDomainSampling()) { + setstepsize(mapdesc.maxrate * range[2]); + } else { + assert (order <= MAXORDER); + + float tmp[][] = new float[MAXORDER][MAXCOORDS]; + + int tstride = (MAXORDER); + + int val = 0; + // mapdesc.project(spts,stride,tmp,tstride,order); + + // System.out.println("TODO curve.getsptepsize mapdesc.project"); + + if (val == 0) { + setstepsize(mapdesc.maxrate); + } else { + float t = mapdesc.getProperty(NurbsConsts.N_PIXEL_TOLERANCE); + if (mapdesc.isParametricDistanceSampling()) { + // System.out.println("TODO curve.getstepsize - parametric"); + } else if (mapdesc.isPathLengthSampling()) { + // System.out.println("TODO curve.getstepsize - pathlength"); + } else { + setstepsize(mapdesc.maxrate); + } + } + + } + + } + + /** + * Sets maximum subdivision step size + * @param max maximum subdivision step size + */ + private void setstepsize(float max) { + // DONE + stepsize = (max >= 1) ? (range[2] / max) : range[2]; + minstepsize = stepsize; + } + + /** + * Clamps the curve + */ + public void clamp() { + // DONE + if (stepsize < minstepsize) + stepsize = mapdesc.clampfactor * minstepsize; + } + + /** + * Tells whether curve needs subdivision + * + * @return curve needs subdivison + */ + public boolean needsSamplingSubdivision() { + return (stepsize < minstepsize); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java new file mode 100755 index 000000000..c27ffd4c4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java @@ -0,0 +1,86 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class rendering curves with OpenGL + * @author Tomáš Hráský + * + */ +public interface CurveEvaluator { + /** + * Pushes eval bit + */ + public void bgnmap1f(); + + /** + * Pops all OpenGL attributes + */ + public void endmap1f() ; + + /** + * Initializes opengl evaluator + * @param type curve type + * @param ulo lowest u + * @param uhi highest u + * @param stride control point coords + * @param order curve order + * @param ps control points + */ + public void map1f(int type, float ulo, float uhi, int stride, int order, + CArrayOfFloats ps) ; + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) ; + + /** + * Calls glMapGrid1f + * @param nu steps + * @param u1 low u + * @param u2 high u + */ + public void mapgrid1f(int nu, float u1, float u2) ; + + /** + * Evaluates a curve using glEvalMesh1f + * @param style Backend.N_MESHFILL/N_MESHLINE/N_MESHPOINT + * @param from lowest param + * @param to highest param + */ + public void mapmesh1f(int style, int from, int to) ; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java new file mode 100755 index 000000000..fc3018833 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java @@ -0,0 +1,121 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for woking with linked list of curves + * @author Tomas Hrasky + * + */ +public class Curvelist { + + /** + * Head of linked list + */ + private Curve curve; + + /** + * Holds conversion range borders + */ + float[] range; + + /** + * Subdivision step size + */ + public float stepsize; + + /** + * Do curves need subdivision? + */ + private boolean needsSubdivision; + + /** + * Makes new instance on top of specified lis of Quilts + * @param qlist underlaying list of quilts + * @param pta range start + * @param ptb range end + */ + public Curvelist(Quilt qlist, float[] pta, float[] ptb) { + // DONE + curve = null; + range = new float[3]; + + for (Quilt q = qlist; q != null; q = q.next) { + curve = new Curve(q, pta, ptb, curve); + } + range[0] = pta[0]; + range[1] = ptb[0]; + range[2] = range[1] - range[0]; + } + + /** + * Compute step size + */ + public void getstepsize() { + // DONE + stepsize = range[2]; + Curve c; + for (c = curve; c != null; c = c.next) { + c.getStepSize(); + c.clamp(); + stepsize = (c.stepsize < stepsize) ? c.stepsize : stepsize; + if (c.needsSamplingSubdivision()) + break; + } + needsSubdivision = (c != null) ? true : false; + + } + + /** + * Indicates whether curves need subdivision + * @return curves need subdivision + */ + public boolean needsSamplingSubdivision() { + // DONE + return needsSubdivision; + } + + /** + * Checks for culling + * @return Subdivider.CULL_TRIVIAL_REJECT or Subdivider.CULL_ACCEPT + */ + public int cullCheck() { + // DONE + for (Curve c = curve; c != null; c = c.next) + if (c.cullCheck() == Subdivider.CULL_TRIVIAL_REJECT) + return Subdivider.CULL_TRIVIAL_REJECT; + return Subdivider.CULL_ACCEPT; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java new file mode 100755 index 000000000..39a3a28f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java @@ -0,0 +1,56 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import java.lang.reflect.Method; + +/** + * Display list + * @author Tomas Hrasky + * + */ +public class DisplayList { + + /** + * Append action to the display list + * @param src source object to invoke method on + * @param m invoked method + * @param arg method argument + */ + public void append(Object src, Method m, Object arg) { + // TODO Auto-generated method stub + // System.out.println("TODO displaylist append"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java new file mode 100755 index 000000000..00757ed7e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java @@ -0,0 +1,130 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import java.util.Arrays; + +/** + * List of breakpoints + * @author Tomas Hrasky + * + */ +public class Flist { + + /** + * Data elements end index + * + */ + public int end; + + /** + *Data elements start index + */ + public int start; + + /** + * Breakpoint values + */ + public float[] pts; + + /** + * Number of array fields + */ + private int npts; + + /** + * Grows list + * @param maxpts maximum desired size + */ + public void grow(int maxpts) { + // DONE + if (npts < maxpts) { + // npts=2*maxpts; + npts = maxpts; + pts = new float[npts]; + } + start = 0; + end = 0; + } + + /** + * Removes duplicate array elemnts + */ + public void filter() { + // INFO the aim of this method is to remove duplicates from array + + Arrays.sort(pts); + + start = 0; + + int j = 0; + + for (int i = 1; i < end; i++) { + if (pts[i] == pts[i - j - 1]) + j++; + pts[i - j] = pts[i]; + } + + end -= j; + + } + + /** + * Sets start and and to real start and end of array elements + * @param from start from + * @param to end at + */ + public void taper(float from, float to) { + // DONE + + while (pts[start] != from) { + start++; + } + + while (pts[end - 1] != to) { + end--; + } + + } + + /** + * Adds breakpoint value + * @param f value + */ + public void add(float f) { + //DONE + pts[end++] = f; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java new file mode 100755 index 000000000..9251aa231 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java @@ -0,0 +1,557 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Knot vector specification + * + * @author Tomas Hrasky + * + */ +public class Knotspec { + + /** + * Begin of input knots + */ + public CArrayOfFloats inkbegin; + + /** + * End of input knots + */ + public CArrayOfFloats inkend; + + /** + * Stride before knot operations + */ + public int prestride; + + /** + * Curve order + */ + public int order; + + /** + * Next knot specification in linked list (used in surfaces) + */ + public Knotspec next; + + /** + * Last knot + */ + public CArrayOfFloats klast; + + /** + * First knot + */ + CArrayOfFloats kfirst; + + /** + * Beginning of breakpoints + */ + CArrayOfBreakpts bbegin; + + /** + * End of breakpoints + */ + CArrayOfBreakpts bend; + + /** + * Considered left end knot + */ + CArrayOfFloats kleft; + + /** + * Considered right end knot + */ + CArrayOfFloats kright; + + /** + * Offset before knot operations + */ + int preoffset; + + /** + * Control points array Length after knot operations + */ + int postwidth; + + /** + * Beginning of coeficients array + */ + private CArrayOfFloats sbegin; + + /** + * Beginning of output knots + */ + private CArrayOfFloats outkbegin; + + /** + * End of output knots + */ + private CArrayOfFloats outkend; + + /** + * Control points aray length before knot operations + */ + int prewidth; + + /** + * Offset after knot operations + */ + int postoffset; + + /** + * Number of control points' coordinates after knot operations + */ + public int poststride; + + /** + * Number of control points' coordinates + */ + public int ncoords; + + /** + * Tell whether knotspec has already benn transformed + */ + public boolean istransformed; + + /** + * Knotspec to be transformed + */ + public Knotspec kspectotrans; + + /** + * Finds knot border of knot insertion and required multiplicities + */ + public void preselect() { + // DONE + float kval; + + klast = new CArrayOfFloats(inkend); + klast.lessenPointerBy(order); + for (kval = klast.get(); klast.getPointer() != inkend.getPointer(); klast + .pp()) { + if (!Knotvector.identical(klast.get(), kval)) + break; + } + + kfirst = new CArrayOfFloats(inkbegin); + kfirst.raisePointerBy(order - 1); + for (kval = kfirst.get(); kfirst.getPointer() != inkend.getPointer(); kfirst + .pp()) { + if (!Knotvector.identical(kfirst.get(), kval)) + break; + } + + CArrayOfFloats k = new CArrayOfFloats(kfirst); + k.mm(); + + for (; k.getPointer() >= inkbegin.getPointer(); k.mm()) + if (!Knotvector.identical(kval, k.get())) + break; + k.pp(); + + Breakpt[] bbeginArray = new Breakpt[(klast.getPointer() - kfirst + .getPointer()) + 1]; + for (int i = 0; i < bbeginArray.length; i++) + bbeginArray[i] = new Breakpt(); + bbegin = new CArrayOfBreakpts(bbeginArray, 0); + bbegin.get().multi = kfirst.getPointer() - k.getPointer(); + bbegin.get().value = kval; + + bend = new CArrayOfBreakpts(bbegin); + kleft = new CArrayOfFloats(kfirst); + kright = new CArrayOfFloats(kfirst); + + } + + /** + * Perpares knotspec for transformation + */ + public void select() { + // DONE + breakpoints(); + knots(); + factors(); + + preoffset = kleft.getPointer() - (inkbegin.getPointer() + order); + postwidth = ((bend.getPointer() - bbegin.getPointer()) * order); + prewidth = (outkend.getPointer() - outkbegin.getPointer()) - order; + postoffset = (bbegin.get().def > 1) ? (bbegin.get().def - 1) : 0; + + } + + /** + * Computes alpha factors for computing new control points + */ + private void factors() { + // DONE + CArrayOfFloats mid = new CArrayOfFloats(outkend.getArray(), (outkend + .getPointer() - 1) + - order + bend.get().multi); + + CArrayOfFloats fptr = null; + if (sbegin != null) + fptr = new CArrayOfFloats(sbegin); + + for (CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); bpt + .getPointer() >= bbegin.getPointer(); bpt.mm()) { + mid.lessenPointerBy(bpt.get().multi); + int def = bpt.get().def - 1; + if (def < 0) + continue; + float kv = bpt.get().value; + + CArrayOfFloats kf = new CArrayOfFloats(mid.getArray(), (mid + .getPointer() - def) + + (order - 1)); + for (CArrayOfFloats kl = new CArrayOfFloats(kf.getArray(), kf + .getPointer() + + def); kl.getPointer() != kf.getPointer(); kl.mm()) { + CArrayOfFloats kh, kt; + for (kt = new CArrayOfFloats(kl), kh = new CArrayOfFloats(mid); kt + .getPointer() != kf.getPointer(); kh.mm(), kt.mm()) { + fptr.set((kv - kh.get()) / (kt.get() - kh.get())); + fptr.pp(); + } + kl.set(kv); + } + } + + } + + /** + * Makes new knot vector + */ + private void knots() { + // DONE + CArrayOfFloats inkpt = new CArrayOfFloats(kleft.getArray(), kleft + .getPointer() + - order); + CArrayOfFloats inkend = new CArrayOfFloats(kright.getArray(), kright + .getPointer() + + bend.get().def); + + outkbegin = new CArrayOfFloats(new float[inkend.getPointer() + - inkpt.getPointer()], 0); + CArrayOfFloats outkpt; + for (outkpt = new CArrayOfFloats(outkbegin); inkpt.getPointer() != inkend + .getPointer(); inkpt.pp(), outkpt.pp()) { + outkpt.set(inkpt.get()); + } + outkend = new CArrayOfFloats(outkpt); + } + + /** + * Analyzes breakpoints + */ + private void breakpoints() { + // DONE + CArrayOfBreakpts ubpt = new CArrayOfBreakpts(bbegin); + CArrayOfBreakpts ubend = new CArrayOfBreakpts(bend); + int nfactors = 0; + + ubpt.get().value = ubend.get().value; + ubpt.get().multi = ubend.get().multi; + + kleft = new CArrayOfFloats(kright); + + for (; kright.getPointer() != klast.getPointer(); kright.pp()) { + if (Knotvector.identical(kright.get(), ubpt.get().value)) { + ubpt.get().multi++; + } else { + ubpt.get().def = order - ubpt.get().multi; + nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; + ubpt.pp(); + ubpt.get().value = kright.get(); + ubpt.get().multi = 1; + } + } + ubpt.get().def = order - ubpt.get().multi; + nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; + + bend = new CArrayOfBreakpts(ubpt); + + if (nfactors > 0) { + sbegin = new CArrayOfFloats(new float[nfactors], 0); + } else { + sbegin = null; + } + + } + + /** + * Copies control points + * + * @param _inpt + * input control points + * @param _outpt + * output control points + */ + public void copy(CArrayOfFloats _inpt, CArrayOfFloats _outpt) { + CArrayOfFloats inpt = new CArrayOfFloats(_inpt); + CArrayOfFloats outpt = new CArrayOfFloats(_outpt); + + inpt.raisePointerBy(preoffset); + if (next != null) { + for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), + outpt.getPointer() + prewidth); outpt.getPointer() != lpt + .getPointer(); outpt.raisePointerBy(poststride)) { + next.copy(inpt, outpt); + inpt.raisePointerBy(prestride); + } + + } else { + for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), + outpt.getPointer() + prewidth); outpt.getPointer() != lpt + .getPointer(); outpt.raisePointerBy(poststride)) { + pt_io_copy(outpt, inpt); + inpt.raisePointerBy(prestride); + } + } + + } + + /** + * Copies one control point to other + * + * @param topt + * source control point + * @param frompt + * destination control point + */ + private void pt_io_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { + // DONE + switch (ncoords) { + case 4: + topt.setRelative(3, frompt.getRelative(3)); + case 3: + topt.setRelative(2, frompt.getRelative(2)); + case 2: + topt.setRelative(1, frompt.getRelative(1)); + case 1: + topt.set(frompt.get()); + break; + default: + // TODO break with copying in general case + // System.out.println("TODO knotspec.pt_io_copy"); + break; + } + + } + + /** + * Inserts a knot + * + * @param _p + * inserted knot + */ + public void transform(CArrayOfFloats _p) { + CArrayOfFloats p = new CArrayOfFloats(_p); + // DONE + if (next != null) {//surface code + if (this.equals(kspectotrans)) { + next.transform(p); + } else { + if (istransformed) { + p.raisePointerBy(postoffset); + for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), + p.getPointer() + postwidth); p.getPointer() != pend + .getPointer(); p.raisePointerBy(poststride)) + next.transform(p); + + } else { + CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p + .getPointer() + + prewidth); + for (; p.getPointer() != pend.getPointer(); p + .raisePointerBy(poststride)) + next.transform(p); + } + } + + } else {//code for curve + if (this.equals(kspectotrans)) { + insert(p); + } else { + if (istransformed) { + p.raisePointerBy(postoffset); + for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), + p.getPointer() + postwidth); p.getPointer() != pend + .getPointer(); p.raisePointerBy(poststride)) { + kspectotrans.insert(p); + } + } else { + CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p + .getPointer() + + prewidth); + for (; p.getPointer() != pend.getPointer(); p + .raisePointerBy(poststride)) + kspectotrans.insert(p); + } + } + } + + } + + /** + * Inserts a knot and computes new control points + * + * @param p + * inserted knot + */ + private void insert(CArrayOfFloats p) { + // DONE + CArrayOfFloats fptr = null; + if (sbegin != null) + fptr = new CArrayOfFloats(sbegin); + CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), p.getPointer() + + prewidth - poststride); + // CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), prewidth - + // poststride); + CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), p.getPointer() + + postwidth + postoffset - poststride); + // CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), postwidth + + // postoffset - poststride); + CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); + + for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), srcpt + .getPointer() + - poststride * bpt.get().def); srcpt.getPointer() != pend + .getPointer(); pend.raisePointerBy(poststride)) { + CArrayOfFloats p1 = new CArrayOfFloats(srcpt); + for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), srcpt + .getPointer() + - poststride); p2.getPointer() != pend.getPointer(); p1 + .setPointer(p2.getPointer()), p2 + .lessenPointerBy(poststride)) { + pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); + fptr.pp(); + } + } + bpt.mm(); + for (; bpt.getPointer() >= bbegin.getPointer(); bpt.mm()) { + + for (int multi = bpt.get().multi; multi > 0; multi--) { + pt_oo_copy(dstpt, srcpt); + dstpt.lessenPointerBy(poststride); + srcpt.lessenPointerBy(poststride); + } + for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), + srcpt.getPointer() - poststride * bpt.get().def); srcpt + .getPointer() != pend.getPointer(); pend + .raisePointerBy(poststride), dstpt + .lessenPointerBy(poststride)) { + pt_oo_copy(dstpt, srcpt); + CArrayOfFloats p1 = new CArrayOfFloats(srcpt); + + for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), + srcpt.getPointer() - poststride); p2.getPointer() != pend + .getPointer(); p1.setPointer(p2.getPointer()), p2 + .lessenPointerBy(poststride)) { + pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); + fptr.pp(); + } + } + } + } + + /** + * Copies one control point to another + * + * @param topt + * source ctrl point + * @param frompt + * distance ctrl point + */ + private void pt_oo_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { + // DONE + // this is a "trick" with case - "break" is omitted so it comes through all cases + switch (ncoords) { + case 4: + topt.setRelative(3, frompt.getRelative(3)); + case 3: + topt.setRelative(2, frompt.getRelative(2)); + case 2: + topt.setRelative(1, frompt.getRelative(1)); + case 1: + topt.setRelative(0, frompt.getRelative(0)); + break; + default: + // default uses memcpy but it is not needed (we probably won't have more than 4 coords) + // TODO not sure about it + break; + } + + } + + /** + * Computes new control point + * + * @param x + * first point + * @param y + * second point + * @param z + * third pont + * @param a + * alpha + * @param b + * 1 - alpha + */ + private void pt_oo_sum(CArrayOfFloats x, CArrayOfFloats y, + CArrayOfFloats z, float a, double b) { + // DONE + switch (ncoords) { + case 4: + x.setRelative(3, (float) (a * y.getRelative(3) + b + * z.getRelative(3))); + case 3: + x.setRelative(2, (float) (a * y.getRelative(2) + b + * z.getRelative(2))); + case 2: + x.setRelative(1, (float) (a * y.getRelative(1) + b + * z.getRelative(1))); + case 1: + x.setRelative(0, (float) (a * y.getRelative(0) + b + * z.getRelative(0))); + break; + default: + //no need of default - see previous method and its case statement + // System.out.println("TODO pt_oo_sum default"); + break; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java new file mode 100755 index 000000000..658a1cbda --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java @@ -0,0 +1,179 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Knot vector used in curve specification + * + * @author Tomas Hrasky + * + */ +public class Knotvector { + + /** + * Tolerance used when comparing knots - when difference is smaller, knots + * are considered equal + */ + public static final float TOLERANCE = 1.0e-5f; + + /** + * Maximum curve order + */ + private static final int MAXORDER = 24; + + /** + * Number of knots + */ + int knotcount; + + /** + * Number of control points' coordinates + */ + int stride; + + /** + * Curve order + */ + int order; + + /** + * Knots + */ + float[] knotlist; + + /** + * Makes new knotvector + * + * @param nknots + * number of knots + * @param stride + * number of ctrl points' corrdinates + * @param order + * curve order + * @param knot + * knots + */ + public Knotvector(int nknots, int stride, int order, float[] knot) { + // DONE + init(nknots, stride, order, knot); + } + + /** + * Initializes knotvector + * + * @param nknots + * number of knots + * @param stride + * number of ctrl points' corrdinates + * @param order + * curve order + * @param knot + * knots + */ + public void init(int nknots, int stride, int order, float[] knot) { + // DONE + this.knotcount = nknots; + this.stride = stride; + this.order = order; + this.knotlist = new float[nknots]; + for (int i = 0; i < nknots; i++) { + this.knotlist[i] = knot[i]; + } + + } + + /** + * Validates knot vector parameters + * + * @return knot vector validity + */ + public int validate() { + int kindex = knotcount - 1; + if (order < 1 || order > MAXORDER) { + return 1; + } + if (knotcount < 2 * order) { + return 2; + } + if (identical(knotlist[kindex - (order - 1)], knotlist[order - 1])) { + return 3; + } + for (int i = 0; i < kindex; i++) { + if (knotlist[i] > knotlist[i + 1]) + return 4; + } + int multi = 1; + for (; kindex >= 1; kindex--) { + if (knotlist[kindex] - knotlist[kindex - 1] < TOLERANCE) { + multi++; + continue; + } + if (multi > order) { + return 5; + } + multi = 1; + } + if (multi > order) { + return 5; + } + + return 0; + } + + /** + * Show specified message + * + * @param msg + * message to be shown + */ + public void show(String msg) { + // TODO Auto-generated method stub + // System.out.println("TODO knotvector.show"); + + } + + /** + * Compares two knots for equality + * + * @param a + * first knot + * @param b + * second knot + * @return knots are/are not equal + */ + public static boolean identical(float a, float b) { + return ((a - b) < TOLERANCE) ? true : false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java new file mode 100755 index 000000000..568eddc51 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java @@ -0,0 +1,442 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding properties of OpenGL map + * @author Tomas Hrasky + * + */ +public class Mapdesc { + + /** + * Maximum control point coords + */ + private static final int MAXCOORDS = 5; + + /** + * Next description in list + */ + public Mapdesc next; + + /** + * Is map rational + */ + public int isrational; + + /** + * Number of control point coords + */ + public int ncoords; + + /** + * Map type + */ + private int type; + + /** + * Number of homogenous coords + */ + private int hcoords; + + /** + * Number of inhomogenous coords + */ + private int inhcoords; + + /** + * Not used + */ + private int mask; + + /** + * Value of N_PIXEL_TOLERANCE property + */ + private float pixel_tolerance; + + /** + * Value of N_ERROR_TOLERANCE property + */ + private float error_tolerance; + + /** + * Value of N_BBOX_SUBDIVIDING property + */ + private float bbox_subdividing; + + /** + * Value of N_CULLING property + */ + private float culling_method; + + /** + * Value of N_SAMPLINGMETHOD property + */ + private float sampling_method; + + /** + * Value of N_CLAMPFACTOR property + */ + float clampfactor; + + /** + * Value of N_MINSAVINGS property + */ + private float minsavings; + + /** + * Steps in u direction + */ + private float s_steps; + + /** + * Steps in v direction + */ + private float t_steps; + + /** + * Maximal step + */ + float maxrate; + + /** + * Maximal u direction step + */ + private float maxsrate; + + /** + * Maximal v direction step + */ + private float maxtrate; + + /** + * Not used + */ + private float[][] bmat; + + /** + * Sampling matrix + */ + private float[][] smat; + + /** + * Not used + */ + private float[][] cmat; + + /** + * Not used + */ + private float[] bboxsize; + + /** + * Makes new mapdesc + * @param type map type + * @param rational is rational + * @param ncoords number of control points coords + * @param backend backend object + */ + public Mapdesc(int type, int rational, int ncoords, Backend backend) { + // DONE + this.type = type; + this.isrational = rational; + this.ncoords = ncoords; + this.hcoords = ncoords + (isrational > 0 ? 0 : 1); + this.inhcoords = ncoords - (isrational > 0 ? 1 : 0); + this.mask = ((1 << (inhcoords * 2)) - 1); + next = null; + + assert (hcoords <= MAXCOORDS); + assert (inhcoords >= 1); + + pixel_tolerance = 1f; + error_tolerance = 1f; + bbox_subdividing = NurbsConsts.N_NOBBOXSUBDIVISION; + culling_method = NurbsConsts.N_NOCULLING; + sampling_method = NurbsConsts.N_NOSAMPLING; + clampfactor = NurbsConsts.N_NOCLAMPING; + minsavings = NurbsConsts.N_NOSAVINGSSUBDIVISION; + s_steps = 0f; + t_steps = 0f; + + maxrate = (s_steps < 0) ? 0 : s_steps; + maxsrate = (s_steps < 0) ? 0 : s_steps; + maxtrate = (t_steps < 0) ? 0 : t_steps; + bmat = new float[MAXCOORDS][MAXCOORDS]; + cmat = new float[MAXCOORDS][MAXCOORDS]; + smat = new float[MAXCOORDS][MAXCOORDS]; + + identify(bmat); + identify(cmat); + identify(smat); + bboxsize = new float[MAXCOORDS]; + for (int i = 0; i < inhcoords; i++) + bboxsize[i] = 1; + } + + /** + * Make matrix identity matrix + * @param arr matrix + */ + private void identify(float[][] arr) { + // DONE + for (int i = 0; i < MAXCOORDS; i++) + for (int j = 0; j < MAXCOORDS; j++) + arr[i][j] = 0; + for (int i = 0; i < MAXCOORDS; i++) + arr[i][i] = 1; + + } + + /** + * Tells whether tag is property tag + * @param tag property tag + * @return is/is not property + */ + public boolean isProperty(int tag) { + boolean ret; + switch (tag) { + case NurbsConsts.N_PIXEL_TOLERANCE: + case NurbsConsts.N_ERROR_TOLERANCE: + case NurbsConsts.N_CULLING: + case NurbsConsts.N_BBOX_SUBDIVIDING: + case NurbsConsts.N_S_STEPS: + case NurbsConsts.N_T_STEPS: + case NurbsConsts.N_SAMPLINGMETHOD: + case NurbsConsts.N_CLAMPFACTOR: + case NurbsConsts.N_MINSAVINGS: + ret = true; + break; + default: + ret = false; + break; + } + return ret; + } + + /** + * Returns number of control points' coords + * @return number of control points' coords + */ + public int getNCoords() { + return ncoords; + } + + /** + * Returns map type + * @return map type + */ + public int getType() { + return type; + } + + /** + * Tells whether map is range sampling + * @return is map range sampling + */ + public boolean isRangeSampling() { + // DONE + return (isParametricDistanceSampling() || isPathLengthSampling() + || isSurfaceAreaSampling() || isObjectSpaceParaSampling() || isObjectSpacePathSampling()); + } + + /** + * Tells whether map is object space sampling + * @return is map object space sampling + */ + private boolean isObjectSpacePathSampling() { + // DONE + return sampling_method == NurbsConsts.N_OBJECTSPACE_PATH; + } + + /** + * Tells whether map is object space parasampling + * @return is map object space parasampling + */ + private boolean isObjectSpaceParaSampling() { + // DONE + return sampling_method == NurbsConsts.N_OBJECTSPACE_PARA; + } + + /** + * Tells whether map is area sampling surface + * @return is map area sampling surface + */ + private boolean isSurfaceAreaSampling() { + // DONE + return sampling_method == NurbsConsts.N_SURFACEAREA; + } + + /** + * Tells whether map is path length sampling + * @return is map path length sampling + */ + boolean isPathLengthSampling() { + // DONE + return sampling_method == NurbsConsts.N_PATHLENGTH; + } + + /** + * Tells whether map is parametric distance sampling + * @return is map parametric distance sampling + */ + boolean isParametricDistanceSampling() { + // DONE + return sampling_method == NurbsConsts.N_PARAMETRICDISTANCE; + } + + /** + * Tells whether map is culling + * @return is map culling + */ + public boolean isCulling() { + // DONE + return culling_method != NurbsConsts.N_NOCULLING ? true : false; + } + + /** + * Tells whether map is constantly sampling + * @return is map constant sampling + */ + public boolean isConstantSampling() { + return (sampling_method == NurbsConsts.N_FIXEDRATE) ? true : false; + } + + /** + * Tells whether map is domain sampling + * @return is map domain sampling + */ + public boolean isDomainSampling() { + return (sampling_method == NurbsConsts.N_DOMAINDISTANCE) ? true : false; + } + + /** + * Returns property of specified tag value + * @param tag property tag + * @return property value + */ + public float getProperty(int tag) { + // TODO Auto-generated method stub + // System.out.println("TODO mapdesc.getproperty"); + return 0; + } + + /** + * Sets property with given tag + * @param tag property tag + * @param value desired value + */ + public void setProperty(int tag, float value) { + // TODO Auto-generated method stub + switch (tag) { + case NurbsConsts.N_PIXEL_TOLERANCE: + pixel_tolerance = value; + break; + case NurbsConsts.N_ERROR_TOLERANCE: + error_tolerance = value; + break; + case NurbsConsts.N_CULLING: + culling_method = value; + break; + case NurbsConsts.N_BBOX_SUBDIVIDING: + if (value <= 0) + value = NurbsConsts.N_NOBBOXSUBDIVISION; + bbox_subdividing = value; + break; + case NurbsConsts.N_S_STEPS: + if (value < 0) + value = 0; + s_steps = value; + maxrate = value; + maxsrate = value; + break; + case NurbsConsts.N_T_STEPS: + if (value < 0) + value = 0; + t_steps = value; + maxtrate = value; + break; + case NurbsConsts.N_SAMPLINGMETHOD: + sampling_method = value; + break; + case NurbsConsts.N_CLAMPFACTOR: + if (value < 0) + value = 0; + clampfactor = value; + break; + case NurbsConsts.N_MINSAVINGS: + if (value <= 0) + value = NurbsConsts.N_NOSAVINGSSUBDIVISION; + minsavings = value; + break; + } + } + + /** + * Samples curve + * @param pts control points + * @param order curve order + * @param stride number of control points' coordinates + * @param sp breakpoints + * @param outstride output number of control points' coordinates + */ + public void xformSampling(CArrayOfFloats pts, int order, int stride, + float[] sp, int outstride) { + // DONE + xFormMat(smat, pts, order, stride, sp, outstride); + } + + /** + * Empty method + * @param mat sampling matrix + * @param pts ontrol points + * @param order curve order + * @param stride number of control points' coordinates + * @param cp breakpoints + * @param outstride output number of control points' coordinates + */ + private void xFormMat(float[][] mat, CArrayOfFloats pts, int order, + int stride, float[] cp, int outstride) { + // TODO Auto-generated method stub + + // System.out.println("TODO mapdsc.xformmat ; change cp from float[] to carrayoffloats"); + + if (isrational > 0) { + + } else { + + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java new file mode 100755 index 000000000..b23a1f665 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java @@ -0,0 +1,122 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding list of Mapdescs + * @author Tomáš Hráský + * + */ +public class Maplist { + /** + * Head of linked list + */ + private Mapdesc maps; + + /** + * Backend class + */ + private Backend backend; + + /** + * Makes new Maplist + * @param backend Backend class + */ + public Maplist(Backend backend) { + this.backend = backend; + } + + /** + * Sets linked list beginning to null + */ + public void initialize() { + // TODO mapdespool.clear ? + maps = null; + } + + /** + * Defines new Mapdesc if it is not defined and appends it to linked list + * @param type map type + * @param rational is map rational + * @param ncoords number of coords + */ + public void define(int type, int rational, int ncoords) { + // DONE + Mapdesc m = locate(type); + assert (m == null || (m.isrational == rational && m.ncoords == ncoords)); + add(type, rational, ncoords); + + } + + /** + * Adds new Mapdesc to linked list + * @param type map type + * @param rational is map rational + * @param ncoords number of coords + */ + private void add(int type, int rational, int ncoords) { + // DONE + Mapdesc map = new Mapdesc(type, rational, ncoords, backend); + if (maps == null) { + maps = map; + } else { + map.next = maps; + maps = map; + } + } + + /** + * Tries to find Mapdesc in linked list + * @param type map type + * @return Mapdesc of type or null if there is no such map + */ + public Mapdesc locate(int type) { + // DONE + Mapdesc m = null; + for (m = maps; m != null; m = m.next) + if (m.getType() == type) + break; + return m; + } + + /** + * Alias for locate + * @param type maptype + * @return Mapdesc of type or null if there is no such map + */ + public Mapdesc find(int type) { + return locate(type); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java new file mode 100755 index 000000000..ee7f3b31b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java @@ -0,0 +1,184 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class hodling NURBS constants as seen in OpenGL GLU documentation + * @author JOGL project + * + */ +public class NurbsConsts { + /* + * NURBS Properties - one set per map, each takes a single INREAL arg + */ + public static final int N_SAMPLING_TOLERANCE = 1; + + public static final int N_S_RATE = 6; + + public static final int N_T_RATE = 7; + + public static final int N_CLAMPFACTOR = 13; + + public static final float N_NOCLAMPING = 0.0f; + + public static final int N_MINSAVINGS = 14; + + public static final float N_NOSAVINGSSUBDIVISION = 0.0f; + + /* + * NURBS Properties - one set per map, each takes an enumerated value + */ + public static final int N_CULLING = 2; + + public static final float N_NOCULLING = 0.0f; + + public static final float N_CULLINGON = 1.0f; + + public static final int N_SAMPLINGMETHOD = 10; + + public static final float N_NOSAMPLING = 0.0f; + + public static final float N_FIXEDRATE = 3.0f; + + public static final float N_DOMAINDISTANCE = 2.0f; + + public static final float N_PARAMETRICDISTANCE = 5.0f; + + public static final float N_PATHLENGTH = 6.0f; + + public static final float N_SURFACEAREA = 7.0f; + + public static final float N_OBJECTSPACE_PARA = 8.0f; + + public static final float N_OBJECTSPACE_PATH = 9.0f; + + public static final int N_BBOX_SUBDIVIDING = 17; + + public static final float N_NOBBOXSUBDIVISION = 0.0f; + + public static final float N_BBOXTIGHT = 1.0f; + + public static final float N_BBOXROUND = 2.0f; + + /* + * NURBS Rendering Properties - one set per renderer each takes an + * enumerated value + */ + public static final int N_DISPLAY = 3; + + public static final int N_FILL = 1; + + public static final int N_OUTLINE_POLY = 2; + + public static final int N_OUTLINE_TRI = 3; + + public static final int N_OUTLINE_QUAD = 4; + + public static final int N_OUTLINE_PATCH = 5; + + public static final int N_OUTLINE_PARAM = 6; + + public static final int N_OUTLINE_PARAM_S = 7; + + public static final int N_OUTLINE_PARAM_ST = 8; + + public static final int N_OUTLINE_SUBDIV = 9; + + public static final int N_OUTLINE_SUBDIV_S = 10; + + public static final int N_OUTLINE_SUBDIV_ST = 11; + + public static final int N_ISOLINE_S = 12; + + public static final int N_ERRORCHECKING = 4; + + public static final int N_NOMSG = 0; + + public static final int N_MSG = 1; + + /* GL 4.0 propeties not defined above */ + + public static final int N_PIXEL_TOLERANCE = N_SAMPLING_TOLERANCE; + + public static final int N_ERROR_TOLERANCE = 20; + + public static final int N_SUBDIVISIONS = 5; + + public static final int N_TILES = 8; + + public static final int N_TMP1 = 9; + + public static final int N_TMP2 = N_SAMPLINGMETHOD; + + public static final int N_TMP3 = 11; + + public static final int N_TMP4 = 12; + + public static final int N_TMP5 = N_CLAMPFACTOR; + + public static final int N_TMP6 = N_MINSAVINGS; + + public static final int N_S_STEPS = N_S_RATE; + + public static final int N_T_STEPS = N_T_RATE; + + /* + * NURBS Rendering Properties - one set per map, each takes an INREAL matrix + * argument + */ + public static final int N_CULLINGMATRIX = 1; + + public static final int N_SAMPLINGMATRIX = 2; + + public static final int N_BBOXMATRIX = 3; + + /* + * NURBS Rendering Properties - one set per map, each takes an INREAL vector + * argument + */ + public static final int N_BBOXSIZE = 4; + + /* type argument for trimming curves */ + + public static final int N_P2D = 0x8; + + public static final int N_P2DR = 0xd; + + public static final int N_MESHLINE = 1; + + public static final int N_MESHFILL = 0; + + public static final int N_MESHPOINT = 2; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java new file mode 100755 index 000000000..900f8e56f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java @@ -0,0 +1,63 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Struct holding curve links + * @author Tomáš Hráský + * + */ +public class O_curve { + + /** + * Curve type + */ + public int curvetype; + + /** + * Next curve in linked list + */ + public O_curve next; + + /** + * Curve of picewiselinear type + */ + public O_pwlcurve o_pwlcurve; + + /** + * NURBS curve + */ + public O_nurbscurve o_nurbscurve; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java new file mode 100755 index 000000000..81110813f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java @@ -0,0 +1,80 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS curve object + * @author Tomáš Hráský + * + */ +public class O_nurbscurve { + + /** + * List of bezier curves + */ + public Quilt bezier_curves; + + /** + * Curve type + */ + public int type; + + /** + * Was curve used ? + */ + public boolean used; + + /** + * Parent curve + */ + public O_curve owner; + + /** + * Next curve in list + */ + public O_nurbscurve next; + + /** + * Makes new O_nurbscurve + * @param realType type of curve + */ + public O_nurbscurve(int realType) { + // DONE + this.type = realType; + this.owner = null; + this.next = null; + this.used = false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java new file mode 100755 index 000000000..b598f525d --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java @@ -0,0 +1,79 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS surface object + * @author Tomáš Hráský + * + */ +public class O_nurbssurface { + + /** + * List of bezier patches forming NURBS surface + */ + public Quilt bezier_patches; + + /** + * Was surface used + */ + public boolean used; + + /** + * Parent O_surface + */ + public O_surface owner; + + /** + * Next surface in list + */ + public O_nurbssurface next; + + /** + * Surface type + */ + private int type; + + /** + * Makes new O_nurbssurface of type + * @param type surface type + */ + public O_nurbssurface(int type) { + this.type = type; + this.owner = null; + this.next = null; + this.used = false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java new file mode 100755 index 000000000..e50f41d81 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomáš Hráský + * + */ +public class O_pwlcurve { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java new file mode 100755 index 000000000..76ac79f0a --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java @@ -0,0 +1,52 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Surface object + * @author Tomáš Hráský + * + */ +public class O_surface { + /** + * NURBS surface + */ + public O_nurbssurface o_nurbssurface; + + /** + * Trims + */ + public O_trim o_trim; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java new file mode 100755 index 000000000..17e5002df --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomáš Hráský + * + */ +public class O_trim { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java new file mode 100755 index 000000000..d3066cc84 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java @@ -0,0 +1,54 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomas Hrasky + * + */ +public class Patch { + + /** + * Empty constructor + * @param q + * @param pta + * @param ptb + * @param patch + */ + public Patch(Quilt q, float[] pta, float[] ptb, Patch patch) { + // System.out.println("TODO patch.constructor"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java new file mode 100755 index 000000000..8b439a02f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java @@ -0,0 +1,145 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * List of patches + * @author Tomáš Hráský + * + */ +public class Patchlist { + + /** + * Array of ranges + */ + public Pspec[] pspec; + + /** + * head of list of patches + */ + private Patch patch; + + /** + * Makes new list of patches + * @param quilts list of quilts + * @param pta low border + * @param ptb high border + */ + public Patchlist(Quilt quilts, float[] pta, float[] ptb) { + // DONE + patch = null; + + for (Quilt q = quilts; q != null; q = q.next) + patch = new Patch(q, pta, ptb, patch); + pspec[0] = new Pspec(); + pspec[0].range[0] = pta[0]; + pspec[0].range[1] = ptb[0]; + pspec[0].range[2] = ptb[0] - pta[0]; + pspec[1] = new Pspec(); + pspec[1].range[0] = pta[1]; + pspec[1].range[1] = ptb[1]; + pspec[1].range[2] = ptb[1] - pta[1]; + + } + + /** + * Empty constructor + * @param patchlist + * @param param + * @param mid + */ + public Patchlist(Patchlist patchlist, int param, float mid) { + // TODO Auto-generated constructor stub + // System.out.println("TODO patchlist.konstruktor 2"); + } + + /** + * Empty method + * @return 0 + */ + public int cullCheck() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.cullcheck"); + return 0; + } + + /** + * Empty method + */ + public void getstepsize() { + // System.out.println("TODO patchlist.getsptepsize"); + // TODO Auto-generated method stub + + } + + /** + * Empty method + * @return false + */ + public boolean needsSamplingSubdivision() { + // TODO Auto-generated method stub + // System.out.println("patchlist.needsSamplingSubdivision"); + return false; + } + + /** + * Empty method + * @param i + * @return false + */ + public boolean needsSubdivision(int i) { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.needsSubdivision"); + return false; + } + + /** + * Empty method + * @return false + */ + public boolean needsNonSamplingSubdivision() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.needsNonSamplingSubdivision"); + return false; + } + + /** + * Empty method + */ + public void bbox() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.bbox"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java new file mode 100755 index 000000000..b486a0ead --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java @@ -0,0 +1,75 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class representing property + * + * @author Tomas Hrasky + * + */ +public class Property { + + /** + * Property type + */ + public int type; + + /** + * Property id + */ + public int tag; + + /** + * Property value + */ + public float value; + + /** + * Makes new property with given parameters + * + * @param type + * property type + * @param tag + * property id + * @param value + * property value + */ + public Property(int type, int tag, float value) { + this.type = type; + this.tag = tag; + this.value = value; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java new file mode 100755 index 000000000..1e60ed335 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java @@ -0,0 +1,47 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding range + * @author Tomáš Hráský + * + */ +public class Pspec { + /** + * Range + */ + public float[] range; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java new file mode 100755 index 000000000..0c9eca91e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java @@ -0,0 +1,71 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Picewiselinar trimming arc + * @author Tomáš Hráský + * + */ +public class PwlArc { + + /** + * Number of points + */ + private int npts; + + /** + * Vertexes + */ + public TrimVertex[] pts; + + /** + * Arc type + */ + private int type; + + /** + * Makes new trimming arc + * @param i num ber of vertexes + * @param p trimming vertexes array + */ + public PwlArc(int i, TrimVertex[] p) { + // DONE + this.npts = i; + this.pts = p; + type = NurbsConsts.N_P2D; + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java new file mode 100755 index 000000000..03e809d23 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java @@ -0,0 +1,282 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for converting NURBS curves and surfaces to list of bezier arcs or patches repectively + * @author Tomáš Hráský + * + */ +public class Quilt { + /** + * Maximum quilt dimension + */ + private static final int MAXDIM = 2; + + /** + * List of map descriptions + */ + Mapdesc mapdesc; + + /** + * Array of quiltspecs pointer + */ + public CArrayOfQuiltspecs qspec; + + /** + * End array of quilt specs pointer + */ + public CArrayOfQuiltspecs eqspec; + + /** + * Control points + */ + public CArrayOfFloats cpts; + + /** + * Next quilt in list + */ + public Quilt next; + + /** + * Makes new quilt with mapdesc + * @param mapdesc map description + */ + public Quilt(Mapdesc mapdesc) { + // DONE + this.mapdesc = mapdesc; + Quiltspec[] tmpquilts = new Quiltspec[MAXDIM]; + for (int i = 0; i < tmpquilts.length; i++) + tmpquilts[i] = new Quiltspec(); + this.qspec = new CArrayOfQuiltspecs(tmpquilts); + + } + + /** + * Converts NURBS surface to bezier patches + * @param sknotvector knots in u direction + * @param tknotvector knots in v direction + * @param ctrlarr control points + * @param coords control points coords + */ + public void toBezier(Knotvector sknotvector, Knotvector tknotvector, + CArrayOfFloats ctrlarr, int coords) { + Splinespec spline = new Splinespec(2); + spline.kspecinit(sknotvector, tknotvector); + spline.select(); + spline.layout(coords); + spline.setupquilt(this); + spline.copy(ctrlarr); + spline.transform(); + } + + /** + * Converts NURBS curve to list of bezier curves + * @param knots knot vector + * @param ctlarray control points + * @param ncoords number of coordinates + */ + public void toBezier(Knotvector knots, CArrayOfFloats ctlarray, int ncoords) { + // DONE + Splinespec spline = new Splinespec(1); + spline.kspecinit(knots); + spline.select(); + spline.layout(ncoords); + spline.setupquilt(this); + spline.copy(ctlarray); + spline.transform(); + } + + /** + * Walks thru all arcs/patches + * @param pta low border + * @param ptb high border + * @param backend Backend + */ + public void downloadAll(float[] pta, float[] ptb, Backend backend) { + // DONE + for (Quilt m = this; m != null; m = m.next) { + m.select(pta, ptb); + m.download(backend); + } + + } + + /** + * Renders arcs/patches + * @param backend Backend for rendering + */ + private void download(Backend backend) { + // DONE + if (getDimension() == 2) { + + CArrayOfFloats ps = new CArrayOfFloats(cpts); + ps.raisePointerBy(qspec.get(0).offset); + ps.raisePointerBy(qspec.get(1).offset); + ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order + * qspec.get(0).stride); + ps.raisePointerBy(qspec.get(1).index * qspec.get(1).order + * qspec.get(1).stride); + + backend.surfpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec + .get(1).stride, qspec.get(0).order, qspec.get(1).order, + qspec.get(0).breakpoints[qspec.get(0).index], + qspec.get(0).breakpoints[qspec.get(0).index + 1], qspec + .get(1).breakpoints[qspec.get(1).index], qspec + .get(1).breakpoints[qspec.get(1).index + 1]); + + } else {// code for curves + // CArrayOfFloats ps=new CArrayOfFloats(cpts); + CArrayOfFloats ps = new CArrayOfFloats(cpts.getArray(), 0); + ps.raisePointerBy(qspec.get(0).offset); + ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order + * qspec.get(0).stride); + backend.curvpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec + .get(0).order, + qspec.get(0).breakpoints[qspec.get(0).index], + qspec.get(0).breakpoints[qspec.get(0).index + 1]); + } + + } + + /** + * Returns quilt dimension + * @return quilt dimesion + */ + private int getDimension() { + // DONE + return eqspec.getPointer() - qspec.getPointer(); + } + + /** + * Finds Quiltspec.index + * @param pta range + * @param ptb range + */ + private void select(float[] pta, float[] ptb) { + // DONE + int dim = eqspec.getPointer() - qspec.getPointer(); + int i, j; + for (i = 0; i < dim; i++) { + for (j = qspec.get(i).width - 1; j >= 0; j--) + if (qspec.get(i).breakpoints[j] <= pta[i] + && ptb[i] <= qspec.get(i).breakpoints[j + 1]) + break; + assert (j != -1); + qspec.get(i).index = j; + } + } + + /** + * Find range according to breakpoints + * @param from low param + * @param to high param + * @param bpts breakpoints + */ + public void getRange(float[] from, float[] to, Flist bpts) { + // DONE + getRange(from, to, 0, bpts); + + } + + /** + * Find range according to breakpoints + * @param from low param + * @param to high param + * @param i from/to array index + * @param list breakpoints + */ + private void getRange(float[] from, float[] to, int i, Flist list) { + // DONE + Quilt maps = this; + from[i] = maps.qspec.get(i).breakpoints[0]; + to[i] = maps.qspec.get(i).breakpoints[maps.qspec.get(i).width]; + int maxpts = 0; + Quilt m; + for (m = maps; m != null; m = m.next) { + if (m.qspec.get(i).breakpoints[0] > from[i]) + from[i] = m.qspec.get(i).breakpoints[0]; + if (m.qspec.get(i).breakpoints[m.qspec.get(i).width] < to[i]) + to[i] = m.qspec.get(i).breakpoints[m.qspec.get(i).width]; + maxpts += m.qspec.get(i).width + 1; + } + list.grow(maxpts); + for (m = maps; m != null; m = m.next) { + for (int j = 0; j <= m.qspec.get(i).width; j++) { + list.add(m.qspec.get(i).breakpoints[j]); + } + } + list.filter(); + list.taper(from[i], to[i]); + } + + /** + * Is this quilt culled + * @return 0 or Subdivider.CULL_ACCEPT + */ + public int isCulled() { + if (mapdesc.isCulling()) { + // System.out.println("TODO quilt.isculled mapdesc.isculling"); + return 0; + } else { + return Subdivider.CULL_ACCEPT; + } + } + + /** + * Finds range for surface + * @param from low param + * @param to high param + * @param slist u direction breakpoints + * @param tlist v direction breakpoints + */ + public void getRange(float[] from, float[] to, Flist slist, Flist tlist) { + // DONE + getRange(from, to, 0, slist); + getRange(from, to, 1, tlist); + + } + + /** + * Empty method + * @param sbrkpts + * @param tbrkpts + * @param rate + */ + public void findRates(Flist sbrkpts, Flist tbrkpts, float[] rate) { + // TODO Auto-generated method stub + // System.out.println("TODO quilt.findrates"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java new file mode 100755 index 000000000..6c8e55e06 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java @@ -0,0 +1,85 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Quilt definition + * @author Tomas Hrasky + * + */ +public class Quiltspec { + + /** + * Stride between control points + */ + public int stride; + + /** + * Quilt width in breakpoints + */ + public int width; + + /** + * Quilt order + */ + public int order; + + /** + * Start offset + */ + public int offset; + + /** + * Breakpoint index + */ + public int index; + + /** + * Boundary + */ + public int[] bdry; + + /** + * Breakpoints + */ + public float[] breakpoints; + + /** + * Makes new quiltspec + */ + public Quiltspec() { + this.bdry = new int[2]; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt new file mode 100755 index 000000000..89630c71e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt @@ -0,0 +1,59 @@ +Unimplemented functionality + - tesselation and callbacks + - trimming + - setting NURBS properties (-> sampling etc.) +Differences from C++ source + - no pooling + - pointers to arrays are replaced by CArrayOf... classes and their methods +Unimplemented or incomplete "calltree top" methods (according to glu.def in Mesa 6.5) + gluBeginTrim + gluDeleteNurbsRenderer - won't be needed + gluEndTrim + gluGetNurbsProperty + gluLoadSamplingMatrices + gluNurbsCallback + gluNurbsCallbackData + gluNurbsCallbackDataEXT + gluNurbsCurve - TODO type switch + gluNurbsProperty + gluPwlCurve + gluQuadricCallback - not a NURBS method +As of files + - Arc[ST]dirSorter.java - unimplemented (part of tesselation) + - Backend.java:194 - wireframe quads - part of tesselation/callback + - Curve.java:141-204 - culling + - DisplayList.java:57 - append to DL - not sure whether it will be needed + - GLUnurbs.java :443,484 - error values + :445 - trimming + :512 - error handling (callback) + :530 - loadGLmatrices + :786 - nuid - nurbs object id - won't be needed I think + :803 - end trim + - GLUwNURBS.java:68,176 - NUBRS properties + - Knotspec.java :371 - copying in general case (more than 4 coords) + :517 - copying with more than 4 coords + :556 - pt_oo_sum default + - Knotvector.java:165 - show method (probably debugging) + - Mapdesc.java :354 - get property + :435 - xFormMat - change param cp to CArrayOfFloats; probably sampling functionality + - Maplist.java:68 - clear ? + - OpenGLCurveEvaluator.java :132 - tess./callback code + :168 - mapgrid1f + :190 - tess./callback code (output triangles) + - OpenGLSurfaceEvaluator.java :77 . tess./callback code + :81 - glGetIntegerValue + :114 - tess./callback code + :117 - Level of detail + :144,161,201 - tess./callback code - output triangles + - Patch.java:55 - constructor stuff ? + - Patchlist.java:55 - constructor stuff ? + :97 - cull check + :105 - step size + :115 - need of sampling subdivision + :126 - need of subdivision + :137 - need of non sampling subd. + :146 - bbox (??) + -Quilt.java :254 - culling + :282 - rates + -Subdivider.java - all TODOs - it's stuff about trimming probably + :545 - jumpbuffer - not sure purpose it exactly served in original source diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java new file mode 100755 index 000000000..d1a23fbab --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java @@ -0,0 +1,128 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding rendering params + * @author Tomas Hrasky + * + */ +public class Renderhints { + + /** + * Check for errors + */ + public int errorchecking; + + /** + * Maximum subdivisions + */ + public int maxsubdivisions; + + /** + * Number of subdivisions + */ + private int subdivisions; + + /** + * Display method + */ + int display_method; + + /** + * Output triangles + */ + int wiretris; + + /** + * Output quads + */ + int wirequads; + + /** + * Makes new Renderinghints + */ + public Renderhints() { + display_method = NurbsConsts.N_FILL; + errorchecking = NurbsConsts.N_MSG; + subdivisions = 6; + // tmp1=0; + } + + /** + * Set property value + * @param prop property + */ + public void setProperty(Property prop) { + switch (prop.type) { + case NurbsConsts.N_DISPLAY: + display_method = (int) prop.value; + break; + case NurbsConsts.N_ERRORCHECKING: + errorchecking = (int) prop.value; + break; + case NurbsConsts.N_SUBDIVISIONS: + subdivisions = (int) prop.value; + break; + default: + // abort - end program + break; + } + } + + /** + * Initialization + */ + public void init() { + // DONE + maxsubdivisions = subdivisions; + if (maxsubdivisions < 0) + maxsubdivisions = 0; + + if (display_method == NurbsConsts.N_FILL) { + wiretris = 0; + wirequads = 0; + } else if (display_method == NurbsConsts.N_OUTLINE_TRI) { + wiretris = 1; + wirequads = 0; + } else if (display_method == NurbsConsts.N_OUTLINE_QUAD) { + wiretris = 0; + wirequads = 1; + } else { + wiretris = 1; + wirequads = 1; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java new file mode 100755 index 000000000..487b47f2d --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java @@ -0,0 +1,204 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS definition + * @author Tomas Hrasky + * + */ +public class Splinespec { + + /** + * Dimension + */ + private int dim; + + /** + * Knot vector specs + */ + private Knotspec kspec; + + /** + * Control points after conversion + */ + private CArrayOfFloats outcpts; + + /** + * Makes new Splinespec with given dimension + * @param i dimension + */ + public Splinespec(int i) { + // DONE + this.dim = i; + } + + /** + * Initializes knotspec according to knotvector + * @param knotvector basic knotvector + */ + public void kspecinit(Knotvector knotvector) { + // DONE + this.kspec = new Knotspec(); + kspec.inkbegin = new CArrayOfFloats(knotvector.knotlist, 0); + kspec.inkend = new CArrayOfFloats(knotvector.knotlist, + knotvector.knotcount); + kspec.prestride = knotvector.stride; + kspec.order = knotvector.order; + kspec.next = null; + } + + /** + * Initializes knotspec according to knotvector - SURFACE + * @param sknotvector knotvector in u dir + * @param tknotvector knotvector in v dir + */ + public void kspecinit(Knotvector sknotvector, Knotvector tknotvector) { + // DONE + this.kspec = new Knotspec(); + Knotspec tkspec = new Knotspec(); + + kspec.inkbegin = new CArrayOfFloats(sknotvector.knotlist, 0); + kspec.inkend = new CArrayOfFloats(sknotvector.knotlist, + sknotvector.knotcount); + kspec.prestride = sknotvector.stride; + kspec.order = sknotvector.order; + kspec.next = tkspec; + + tkspec.inkbegin = new CArrayOfFloats(tknotvector.knotlist, 0); + tkspec.inkend = new CArrayOfFloats(tknotvector.knotlist, + tknotvector.knotcount); + tkspec.prestride = tknotvector.stride; + tkspec.order = tknotvector.order; + tkspec.next = null; + } + + /** + * Preselect and select knotspecs + */ + public void select() { + // DONE + for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + knotspec.preselect(); + knotspec.select(); + } + + } + + /** + * Prepares for conversion + * @param ncoords number of coords + */ + public void layout(int ncoords) { + // DONE + int stride = ncoords; + for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + knotspec.poststride = stride; + stride *= (knotspec.bend.getPointer() - knotspec.bbegin + .getPointer()) + * knotspec.order + knotspec.postoffset; + knotspec.preoffset *= knotspec.prestride; + knotspec.prewidth *= knotspec.poststride; + knotspec.postwidth *= knotspec.poststride; + knotspec.postoffset *= knotspec.poststride; + knotspec.ncoords = ncoords; + } + outcpts = new CArrayOfFloats(new float[stride]); + + } + + /** + * Prepares quilt for conversion + * @param quilt quilt to work with + */ + public void setupquilt(Quilt quilt) { + // DONE + CArrayOfQuiltspecs qspec = new CArrayOfQuiltspecs(quilt.qspec); + quilt.eqspec = new CArrayOfQuiltspecs(qspec.getArray(), dim); + for (Knotspec knotspec = kspec; knotspec != null;) { + qspec.get().stride = knotspec.poststride; + qspec.get().width = knotspec.bend.getPointer() + - knotspec.bbegin.getPointer(); + qspec.get().order = knotspec.order; + qspec.get().offset = knotspec.postoffset; + qspec.get().index = 0; + qspec.get().bdry[0] = (knotspec.kleft.getPointer() == knotspec.kfirst + .getPointer()) ? 1 : 0; + qspec.get().bdry[1] = (knotspec.kright.getPointer() == knotspec.klast + .getPointer()) ? 1 : 0; + qspec.get().breakpoints = new float[qspec.get().width + 1]; + CArrayOfFloats k = new CArrayOfFloats(qspec.get().breakpoints, 0); + for (CArrayOfBreakpts bk = new CArrayOfBreakpts(knotspec.bbegin); bk + .getPointer() <= knotspec.bend.getPointer(); bk.pp()) { + k.set(bk.get().value); + k.pp(); + } + knotspec = knotspec.next; + if (knotspec != null) + qspec.pp(); + } + quilt.cpts = new CArrayOfFloats(outcpts); + quilt.next = null; + } + + /** + * Copies array of control points to output array + * @param ctlarray control points array + */ + public void copy(CArrayOfFloats ctlarray) { + // DONE + kspec.copy(ctlarray, outcpts); + + } + + /** + * Transforms knotspecs - conversion + */ + public void transform() { + // DONE + Knotspec knotspec; + outcpts.setPointer(0); + for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) + knotspec.istransformed = false; + + for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + for (Knotspec kspec2 = kspec; kspec2 != null; kspec2 = kspec2.next) + kspec2.kspectotrans = knotspec; + kspec.transform(outcpts); + knotspec.istransformed = true; + } + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java new file mode 100755 index 000000000..99c1b740b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java @@ -0,0 +1,1167 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class working with curves and surfaces + * @author Tomas Hrasky + * + */ +public class Subdivider { + /** + * Cull type + */ + public static final int CULL_TRIVIAL_REJECT = 0; + + /** + * Cull type + */ + public static final int CULL_ACCEPT = 1; + + /** + * Maximum trimming arcs + */ + private static final int MAXARCS = 10; + + /** + * Linked list of Quilts + */ + Quilt qlist; + + /** + * Object holding rendering honts information + */ + private Renderhints renderhints; + + /** + * Backend object + */ + private Backend backend; + + /** + * Number of subdivisions + */ + private int subdivisions; + + /** + * U step when using domain distance sampling + */ + private float domain_distance_u_rate; + + /** + * Use domain distance sampling + */ + private int is_domain_distance_sampling; + + /** + * Initial class holding trimming arcs + */ + private Bin initialbin; + + /** + * Not used + */ + private boolean showDegenerate; + + /** + * Is triming arc type bezier arc + */ + private boolean isArcTypeBezier; + + /** + * Breakpoints in v direction + */ + private Flist tpbrkpts; + + /** + * Breakpoints in u direction + */ + private Flist spbrkpts; + + /** + * Unused + */ + private int s_index; + + /** + * Head of linked list of trimming arcs + */ + private Arc pjarc; + + /** + * Class tesselating trimming arcs + */ + private ArcTesselator arctesselator; + + /** + * Unused + */ + private int t_index; + + /** + * Breakpoints + */ + private Flist smbrkpts; + + /** + * Not used + */ + private float[] stepsizes; + + /** + * Domain distance in V direction + */ + private float domain_distance_v_rate; + + /** + * Initializes quilt list + */ + public void beginQuilts(Backend backend) { + // DONE + qlist = null; + renderhints = new Renderhints(); + this.backend = backend; + + initialbin = new Bin(); + arctesselator = new ArcTesselator(); + } + + /** + * Adds quilt to linked list + * @param quilt added quilt + */ + public void addQuilt(Quilt quilt) { + // DONE + if (qlist == null) + qlist = quilt; + else { + quilt.next = qlist; + qlist = quilt; + } + + } + + /** + * Empty method + */ + public void endQuilts() { + // DONE + } + + /** + * Draws a surface + */ + public void drawSurfaces() { + renderhints.init(); + + if (qlist == null) { + // System.out.println("qlist is null"); + return; + } + + for (Quilt q = qlist; q != null; q = q.next) { + if (q.isCulled() == CULL_TRIVIAL_REJECT) { + freejarcs(initialbin); + return; + } + } + + float[] from = new float[2]; + float[] to = new float[2]; + + spbrkpts = new Flist(); + tpbrkpts = new Flist(); + qlist.getRange(from, to, spbrkpts, tpbrkpts); + + boolean optimize = (is_domain_distance_sampling > 0 && (renderhints.display_method != NurbsConsts.N_OUTLINE_PATCH)); + + // TODO decide whether to optimize (when there is gluNurbsProperty implemented) + optimize = true; + + if (!initialbin.isnonempty()) { + if (!optimize) { + makeBorderTrim(from, to); + } + } else { + float[] rate = new float[2]; + qlist.findRates(spbrkpts, tpbrkpts, rate); + // System.out.println("subdivider.drawsurfaces decompose"); + } + + backend.bgnsurf(renderhints.wiretris, renderhints.wirequads); + + // TODO partition test + + if (!initialbin.isnonempty() && optimize) { + + int i, j; + int num_u_steps; + int num_v_steps; + for (i = spbrkpts.start; i < spbrkpts.end - 1; i++) { + for (j = tpbrkpts.start; j < tpbrkpts.end - 1; j++) { + float[] pta = new float[2]; + float[] ptb = new float[2]; + + pta[0] = spbrkpts.pts[i]; + ptb[0] = spbrkpts.pts[i + 1]; + pta[1] = tpbrkpts.pts[j]; + ptb[1] = tpbrkpts.pts[j + 1]; + qlist.downloadAll(pta, ptb, backend); + + num_u_steps = (int) (domain_distance_u_rate * (ptb[0] - pta[0])); + num_v_steps = (int) (domain_distance_v_rate * (ptb[1] - pta[1])); + + if (num_u_steps <= 0) + num_u_steps = 1; + if (num_v_steps <= 0) + num_v_steps = 1; + + backend.surfgrid(pta[0], ptb[0], num_u_steps, ptb[1], + pta[1], num_v_steps); + backend.surfmesh(0, 0, num_u_steps, num_v_steps); + + } + } + + } else + + subdivideInS(initialbin); + + backend.endsurf(); + } + + /** + * Empty method + * @param initialbin2 + */ + private void freejarcs(Bin initialbin2) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.freejarcs"); + } + + /** + * Subdivide in U direction + * @param source Trimming arcs source + */ + private void subdivideInS(Bin source) { + // DONE + if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM) { + outline(source); + freejarcs(source); + } else { + setArcTypeBezier(); + setNonDegenerate(); + splitInS(source, spbrkpts.start, spbrkpts.end); + } + + } + + /** + * Split in U direction + * @param source Trimming arcs source + * @param start breakpoints start + * @param end breakpoints end + */ + private void splitInS(Bin source, int start, int end) { + // DONE + if (source.isnonempty()) { + if (start != end) { + int i = start + (end - start) / 2; + Bin left = new Bin(); + Bin right = new Bin(); + + split(source, left, right, 0, spbrkpts.pts[i]); + splitInS(left, start, i); + splitInS(right, i + 1, end); + } else { + if (start == spbrkpts.start || start == spbrkpts.end) { + freejarcs(source); + } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_S) { + outline(source); + freejarcs(source); + } else { + setArcTypeBezier(); + setNonDegenerate(); + s_index = start; + splitInT(source, tpbrkpts.start, tpbrkpts.end); + } + } + } else{ + // System.out.println("Source is empty - subdivider.splitins"); + } + } + + /** + * Split in V direction + * @param source + * @param start + * @param end + */ + private void splitInT(Bin source, int start, int end) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.splitint"); + + if (source.isnonempty()) { + if (start != end) { + int i = start + (end - start) / 2; + Bin left = new Bin(); + Bin right = new Bin(); + split(source, left, right, 1, tpbrkpts.pts[i + 1]); + splitInT(left, start, i); + splitInT(right, i + 1, end); + } else { + if (start == tpbrkpts.start || start == tpbrkpts.end) { + freejarcs(source); + } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_ST) { + outline(source); + freejarcs(source); + } else { + t_index = start; + setArcTypeBezier(); + setDegenerate(); + + float[] pta = new float[2]; + float[] ptb = new float[2]; + + pta[0] = spbrkpts.pts[s_index - 1]; + pta[1] = tpbrkpts.pts[t_index - 1]; + + ptb[0] = spbrkpts.pts[s_index]; + ptb[1] = tpbrkpts.pts[t_index]; + qlist.downloadAll(pta, ptb, backend); + + Patchlist patchlist = new Patchlist(qlist, pta, ptb); + + samplingSplit(source, patchlist, + renderhints.maxsubdivisions, 0); + setNonDegenerate(); + setArcTypeBezier(); + } + } + } + + } + + /** + * Sample + * @param source + * @param patchlist + * @param subdivisions + * @param param + */ + private void samplingSplit(Bin source, Patchlist patchlist, + int subdivisions, int param) { + // DONE + if (!source.isnonempty()) + return; + if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) { + freejarcs(source); + return; + } + + patchlist.getstepsize(); + if (renderhints.display_method == NurbsConsts.N_OUTLINE_PATCH) { + tesselation(source, patchlist); + outline(source); + freejarcs(source); + return; + } + + tesselation(source, patchlist); + if (patchlist.needsSamplingSubdivision() && subdivisions > 0) { + if (!patchlist.needsSubdivision(0)) { + param = 1; + } else if (patchlist.needsSubdivision(1)) + param = 0; + else + param = 1 - param; + + Bin left = new Bin(); + Bin right = new Bin(); + + float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); + + split(source, left, right, param, mid); + Patchlist subpatchlist = new Patchlist(patchlist, param, mid); + samplingSplit(left, subpatchlist, subdivisions - 1, param); + samplingSplit(right, subpatchlist, subdivisions - 1, param); + } else { + setArcTypePwl(); + setDegenerate(); + nonSamplingSplit(source, patchlist, subdivisions, param); + setDegenerate(); + setArcTypeBezier(); + } + } + + /** + * Not used + * @param source + * @param patchlist + * @param subdivisions + * @param param + */ + private void nonSamplingSplit(Bin source, Patchlist patchlist, + int subdivisions, int param) { + // DONE + if (patchlist.needsNonSamplingSubdivision() && subdivisions > 0) { + param = 1 - param; + + Bin left = new Bin(); + Bin right = new Bin(); + + float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); + split(source, left, right, param, mid); + Patchlist subpatchlist = new Patchlist(patchlist, param, mid); + if (left.isnonempty()) { + if (subpatchlist.cullCheck() == CULL_TRIVIAL_REJECT) + freejarcs(left); + else + nonSamplingSplit(left, subpatchlist, subdivisions - 1, + param); + } + if (right.isnonempty()) { + if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) + freejarcs(right); + else + nonSamplingSplit(right, subpatchlist, subdivisions - 1, + param); + } + } else { + patchlist.bbox(); + backend.patch(patchlist.pspec[0].range[0], + patchlist.pspec[0].range[1], patchlist.pspec[1].range[0], + patchlist.pspec[1].range[1]); + if (renderhints.display_method == NurbsConsts.N_OUTLINE_SUBDIV) { + outline(source); + freejarcs(source); + } else { + setArcTypePwl(); + setDegenerate(); + findIrregularS(source); + monosplitInS(source, smbrkpts.start, smbrkpts.end); + } + } + + } + + /** + * Not used + * @param source + * @param start + * @param end + */ + private void monosplitInS(Bin source, int start, int end) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.monosplitins"); + } + + /** + * Not used + * @param source + */ + private void findIrregularS(Bin source) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.findIrregularS"); + } + + /** + * Not used + */ + private void setArcTypePwl() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.setarctypepwl"); + } + + /** + * Not used + * @param source + * @param patchlist + */ + private void tesselation(Bin source, Patchlist patchlist) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.tesselation"); + } + + /** + * Not used + */ + private void setDegenerate() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.setdegenerate"); + } + + /** + * Not used + * @param bin + * @param left + * @param right + * @param param + * @param value + */ + private void split(Bin bin, Bin left, Bin right, int param, float value) { + // DONE + Bin intersections = new Bin(); + Bin unknown = new Bin(); + + partition(bin, left, intersections, right, unknown, param, value); + + int count = intersections.numarcs(); + // TODO jumpbuffer ?? + + if (count % 2 == 0) { + + Arc[] arclist = new Arc[MAXARCS]; + CArrayOfArcs list; + if (count >= MAXARCS) { + list = new CArrayOfArcs(new Arc[count]); + } else { + list = new CArrayOfArcs(arclist); + } + + CArrayOfArcs last, lptr; + Arc jarc; + + for (last = new CArrayOfArcs(list); (jarc = intersections + .removearc()) != null; last.pp()) + last.set(jarc); + + if (param == 0) {// sort into incrasing t order + ArcSdirSorter sorter = new ArcSdirSorter(this); + sorter.qsort(list, count); + + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + check_s(lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + join_s(left, right, lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last + .getPointer(); lptr.pp()) { + if (lptr.get().head()[0] <= value + && lptr.get().tail()[0] <= value) + left.addarc(lptr.get()); + else + right.addarc(lptr.get()); + } + + } else {// sort into decreasing s order + ArcTdirSorter sorter = new ArcTdirSorter(this); + sorter.qsort(list, count); + + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + check_t(lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + join_t(left, right, lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last + .getPointer(); lptr.raisePointerBy(2)) { + if (lptr.get().head()[0] <= value + && lptr.get().tail()[0] <= value) + left.addarc(lptr.get()); + else + right.addarc(lptr.get()); + } + + } + + unknown.adopt(); + } + } + + /** + * Not used + * @param left + * @param right + * @param arc + * @param relative + */ + private void join_t(Bin left, Bin right, Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.join_t"); + } + + /** + * Not used + * @param arc + * @param relative + */ + private void check_t(Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.check_t"); + } + + /** + * Not used + * @param left + * @param right + * @param jarc1 + * @param jarc2 + */ + private void join_s(Bin left, Bin right, Arc jarc1, Arc jarc2) { + // DONE + if (!jarc1.getitail()) + jarc1 = jarc1.next; + if (!jarc2.getitail()) + jarc2 = jarc2.next; + + float s = jarc1.tail()[0]; + float t1 = jarc1.tail()[1]; + float t2 = jarc2.tail()[1]; + + if (t1 == t2) { + simplelink(jarc1, jarc2); + } else { + Arc newright = new Arc(Arc.ARC_RIGHT); + Arc newleft = new Arc(Arc.ARC_LEFT); + if (isBezierArcType()) { + arctesselator.bezier(newright, s, s, t1, t2); + arctesselator.bezier(newleft, s, s, t2, t1); + } else { + arctesselator.pwl_right(newright, s, t1, t2, stepsizes[0]); + arctesselator.pwl_left(newright, s, t2, t1, stepsizes[2]); + } + link(jarc1, jarc2, newright, newleft); + left.addarc(newright); + right.addarc(newleft); + } + + } + + /** + * Not used + * @param jarc1 + * @param jarc2 + * @param newright + * @param newleft + */ + private void link(Arc jarc1, Arc jarc2, Arc newright, Arc newleft) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.link"); + } + + /** + * Not used + * @return true + */ + private boolean isBezierArcType() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.isbezierarc"); + return true; + } + + /** + * Not used + * @param jarc1 + * @param jarc2 + */ + private void simplelink(Arc jarc1, Arc jarc2) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.simplelink"); + } + + /** + * Not used + * @param arc + * @param relative + */ + private void check_s(Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.check_s"); + + } + + /** + * Not used + * @param bin + * @param left + * @param intersections + * @param right + * @param unknown + * @param param + * @param value + */ + private void partition(Bin bin, Bin left, Bin intersections, Bin right, + Bin unknown, int param, float value) { + + Bin headonleft = new Bin(); + Bin headonright = new Bin(); + Bin tailonleft = new Bin(); + Bin tailonright = new Bin(); + + for (Arc jarc = bin.removearc(); jarc != null; jarc = bin.removearc()) { + float tdiff = jarc.tail()[param] - value; + float hdiff = jarc.head()[param] - value; + + if (tdiff > 0) { + if (hdiff > 0) { + right.addarc(jarc); + } else if (hdiff == 0) { + tailonright.addarc(jarc); + } else { + Arc jtemp; + switch (arc_split(jarc, param, value, 0)) { + case 2: + tailonright.addarc(jarc); + headonleft.addarc(jarc.next); + break; + // TODO rest cases + default: + System.out + .println("TODO subdivider.partition rest cases"); + break; + } + } + } else if (tdiff == 0) { + if (hdiff > 0) { + headonright.addarc(jarc); + } else if (hdiff == 0) { + unknown.addarc(jarc); + } else { + headonright.addarc(jarc); + } + } else { + if (hdiff > 0) { + // TODO rest + // System.out.println("TODO subdivider.partition rest of else"); + } else if (hdiff == 0) { + tailonleft.addarc(jarc); + } else { + left.addarc(jarc); + } + } + + } + if (param == 0) { + classify_headonleft_s(headonleft, intersections, left, value); + classify_tailonleft_s(tailonleft, intersections, left, value); + classify_headonright_s(headonright, intersections, right, value); + classify_tailonright_s(tailonright, intersections, right, value); + } else { + classify_headonleft_t(headonleft, intersections, left, value); + classify_tailonleft_t(tailonleft, intersections, left, value); + classify_headonright_t(headonright, intersections, right, value); + classify_tailonright_t(tailonright, intersections, right, value); + } + } + + /** + * Not used + * @param tailonright + * @param intersections + * @param right + * @param value + */ + private void classify_tailonright_t(Bin tailonright, Bin intersections, + Bin right, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_tailonright_t"); + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_tailonleft_s(Bin bin, Bin in, Bin out, float val) { + + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.clearitail(); + + float diff = j.next.head()[0] - val; + if (diff > 0) { + in.addarc(j); + } else if (diff < 0) { + if (ccwTurn_sl(j, j.next)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.next.tail()[1] > j.next.head()[1]) + in.addarc(j); + else + out.addarc(j); + } + } + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonright_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[0] - val; + if (diff > 0) { + if (ccwTurn_sr(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else if (diff < 0) { + out.addarc(j); + } else { + if (j.prev.tail()[1] > j.prev.head()[1]) + out.addarc(j); + else + in.addarc(j); + } + } + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_sr(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO ccwTurn_sr"); + return false; + } + + /** + * Not used + * @param headonright + * @param intersections + * @param right + * @param value + */ + private void classify_headonright_t(Bin headonright, Bin intersections, + Bin right, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_headonright_t"); + } + + /** + * Not used + * @param tailonleft + * @param intersections + * @param left + * @param value + */ + private void classify_tailonleft_t(Bin tailonleft, Bin intersections, + Bin left, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_tailonleft_t"); + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonleft_t(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[1] - val; + if (diff > 0) { + out.addarc(j); + } else if (diff < 0) { + if (ccwTurn_tl(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.prev.tail()[0] > j.prev.head()[0]) + out.addarc(j); + else + in.addarc(j); + } + } + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_tl(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.ccwTurn_tl"); + return false; + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_tailonright_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.clearitail(); + + float diff = j.next.head()[0] - val; + if (diff > 0) { + if (ccwTurn_sr(j, j.next)) + out.addarc(j); + else + in.addarc(j); + } else if (diff < 0) { + in.addarc(j); + } else { + if (j.next.tail()[1] > j.next.head()[1]) + out.addarc(j); + else + in.addarc(j); + } + } + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonleft_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[0] - val; + if (diff > 0) { + out.addarc(j); + } else if (diff < 0) { + if (ccwTurn_sl(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.prev.tail()[1] > j.prev.head()[1]) + in.addarc(j); + else + out.addarc(j); + } + } + + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_sl(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.ccwTurn_sl"); + return false; + } + + /** + * Not used + * @param jarc + * @param param + * @param value + * @param i + * @return 0 + */ + private int arc_split(Arc jarc, int param, float value, int i) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.arc_split"); + return 0; + } + + /** + * Not used + */ + private void setNonDegenerate() { + // DONE + this.showDegenerate = false; + + } + + /** + * sets trimming arc default type to bezier + */ + private void setArcTypeBezier() { + // DONE + isArcTypeBezier = true; + } + + /** + * Not used + * @param source + */ + private void outline(Bin source) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.outline"); + } + + /** + * Makes default trim along surface borders + * @param from range beginnings + * @param to range ends + */ + private void makeBorderTrim(float[] from, float[] to) { + // DONE + float smin = from[0]; + float smax = to[0]; + + float tmin = from[1]; + float tmax = to[1]; + + pjarc = null; + Arc jarc = null; + + jarc = new Arc(Arc.ARC_BOTTOM); + arctesselator.bezier(jarc, smin, smax, tmin, tmin); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_RIGHT); + arctesselator.bezier(jarc, smax, smax, tmin, tmax); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_TOP); + arctesselator.bezier(jarc, smax, smin, tmax, tmax); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_LEFT); + arctesselator.bezier(jarc, smin, smin, tmax, tmin); + initialbin.addarc(jarc); + jarc = jarc.append(pjarc); + + // assert (jarc.check() == true); + } + + /** + * Draws NURBS curve + */ + public void drawCurves() { + // DONE + float[] from = new float[1]; + float[] to = new float[1]; + + Flist bpts = new Flist(); + qlist.getRange(from, to, bpts); + + renderhints.init(); + + backend.bgncurv(); + + for (int i = bpts.start; i < bpts.end - 1; i++) { + float[] pta = new float[1]; + float[] ptb = new float[1]; + pta[0] = bpts.pts[i]; + ptb[0] = bpts.pts[i + 1]; + + qlist.downloadAll(pta, ptb, backend); + Curvelist curvelist = new Curvelist(qlist, pta, ptb); + samplingSplit(curvelist, renderhints.maxsubdivisions); + } + backend.endcurv(); + } + + /** + * Samples a curve in case of need, or sends curve to backend + * @param curvelist list of curves + * @param maxsubdivisions maximum number of subdivisions + */ + private void samplingSplit(Curvelist curvelist, int maxsubdivisions) { + if (curvelist.cullCheck() == CULL_TRIVIAL_REJECT) + return; + + curvelist.getstepsize(); + + if (curvelist.needsSamplingSubdivision() && (subdivisions > 0)) { + // TODO kód + // System.out.println("TODO subdivider-needsSamplingSubdivision"); + } else { + int nu = (int) (1 + curvelist.range[2] / curvelist.stepsize); + backend.curvgrid(curvelist.range[0], curvelist.range[1], nu); + backend.curvmesh(0, nu); + } + + } + + /** + * Sets new domain_distance_u_rate value + * @param d new domain_distance_u_rate value + + */ + public void set_domain_distance_u_rate(double d) { + // DONE + domain_distance_u_rate = (float) d; + } + + /** + * Sets new domain_distance_v_rate value + * @param d new domain_distance_v_rate value + */ + public void set_domain_distance_v_rate(double d) { + // DONE + domain_distance_v_rate = (float) d; + } + + /** + * Sets new is_domain_distance_sampling value + * @param i new is_domain_distance_sampling value + */ + public void set_is_domain_distance_sampling(int i) { + // DONE + this.is_domain_distance_sampling = i; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java new file mode 100755 index 000000000..fe23f9c08 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java @@ -0,0 +1,111 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class rendering surfaces with OpenGL + * @author Tomas Hrasky + * + */ +public interface SurfaceEvaluator { + + /** + * Pushes eval bit + */ + public void bgnmap2f() ; + + /** + * Sets glPolygonMode + * @param style polygon mode (N_MESHFILL/N_MESHLINE/N_MESHPOINT) + */ + public void polymode(int style) ; + + /** + * Pops all attributes + */ + public void endmap2f() ; + + /** + * Empty method + * @param ulo + * @param uhi + * @param vlo + * @param vhi + */ + public void domain2f(float ulo, float uhi, float vlo, float vhi) ; + + /** + * Defines 2D mesh + * @param nu number of steps in u direction + * @param u0 lowest u + * @param u1 highest u + * @param nv number of steps in v direction + * @param v0 lowest v + * @param v1 highest v + */ + public void mapgrid2f(int nu, float u0, float u1, int nv, float v0, float v1) ; + + /** + * Evaluates surface + * @param style surface style + * @param umin minimum U + * @param umax maximum U + * @param vmin minimum V + * @param vmax maximum V + */ + public void mapmesh2f(int style, int umin, int umax, int vmin, int vmax) ; + + /** + * Initializes evaluator + * @param type surface type + * @param ulo lowest u + * @param uhi highest u + * @param ustride number of objects between control points in u direction + * @param uorder surface order in u direction + * @param vlo lowest v + * @param vhi highest v + * @param vstride number of control points' coords + * @param vorder surface order in v direction + * @param pts control points + */ + public void map2f(int type, float ulo, float uhi, int ustride, int uorder, + float vlo, float vhi, int vstride, int vorder, CArrayOfFloats pts) ; + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) ; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java new file mode 100755 index 000000000..6608f8f40 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java @@ -0,0 +1,56 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Holds vertex used in trim + * + * @author Tomas Hrasky + * + */ +public class TrimVertex { + + /** + * Trim vertex coords + */ + public float[] param; + + /** + * Makes new empty trim vertex + */ + public TrimVertex() { + param = new float[2]; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java new file mode 100644 index 000000000..21b15f4d4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java @@ -0,0 +1,79 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.registry; + +import javax.media.opengl.glu.GLU; + +/** + * + * @author Administrator + */ +public class Registry { + + /** Creates a new instance of Registry */ + public Registry() { + } + + public static String gluGetString(int name) { + if( name == GLU.GLU_VERSION ) { + return( "1.3" ); + } else if( name == GLU.GLU_EXTENSIONS ) { + return( "GLU_EXT_nurbs_tessellator GLU_EXT_object_space_tess " ); + } + return( null ); + } + + public static boolean gluCheckExtension( String extName, String extString ) { + if( extName == null || extString == null ) { + return( false ); + } + if ((extString.indexOf(extName + " ") >= 0) || + extString.endsWith(extName) || + extString.equals(extName)) { + return true; + } + return false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java new file mode 100644 index 000000000..85397dd6a --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java @@ -0,0 +1,69 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + + +class ActiveRegion { + GLUhalfEdge eUp; /* upper edge, directed right to left */ + DictNode nodeUp; /* dictionary node corresponding to eUp */ + int windingNumber; /* used to determine which regions are + * inside the polygon */ + boolean inside; /* is this region inside the polygon? */ + boolean sentinel; /* marks fake edges at t = +/-infinity */ + boolean dirty; /* marks regions where the upper or lower + * edge has changed, but we haven't checked + * whether they intersect yet */ + boolean fixUpperEdge; /* marks temporary edges introduced when + * we process a "right vertex" (one without + * any edges leaving to the right) */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java new file mode 100644 index 000000000..8948acfec --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java @@ -0,0 +1,58 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class CachedVertex { + public double[] coords = new double[3]; + public Object data; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java new file mode 100644 index 000000000..d26948e7f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java @@ -0,0 +1,140 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Dict { + DictNode head; + Object frame; + DictLeq leq; + + private Dict() { + } + + static Dict dictNewDict(Object frame, DictLeq leq) { + Dict dict = new Dict(); + dict.head = new DictNode(); + + dict.head.key = null; + dict.head.next = dict.head; + dict.head.prev = dict.head; + + dict.frame = frame; + dict.leq = leq; + + return dict; + } + + static void dictDeleteDict(Dict dict) { + dict.head = null; + dict.frame = null; + dict.leq = null; + } + + static DictNode dictInsert(Dict dict, Object key) { + return dictInsertBefore(dict, dict.head, key); + } + + static DictNode dictInsertBefore(Dict dict, DictNode node, Object key) { + do { + node = node.prev; + } while (node.key != null && !dict.leq.leq(dict.frame, node.key, key)); + + DictNode newNode = new DictNode(); + newNode.key = key; + newNode.next = node.next; + node.next.prev = newNode; + newNode.prev = node; + node.next = newNode; + + return newNode; + } + + static Object dictKey(DictNode aNode) { + return aNode.key; + } + + static DictNode dictSucc(DictNode aNode) { + return aNode.next; + } + + static DictNode dictPred(DictNode aNode) { + return aNode.prev; + } + + static DictNode dictMin(Dict aDict) { + return aDict.head.next; + } + + static DictNode dictMax(Dict aDict) { + return aDict.head.prev; + } + + static void dictDelete(Dict dict, DictNode node) { + node.next.prev = node.prev; + node.prev.next = node.next; + } + + static DictNode dictSearch(Dict dict, Object key) { + DictNode node = dict.head; + + do { + node = node.next; + } while (node.key != null && !(dict.leq.leq(dict.frame, key, node.key))); + + return node; + } + + public interface DictLeq { + boolean leq(Object frame, Object key1, Object key2); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java new file mode 100644 index 000000000..8864de127 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java @@ -0,0 +1,59 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class DictNode { + Object key; + DictNode next; + DictNode prev; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java new file mode 100644 index 000000000..2ff4aae59 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java @@ -0,0 +1,65 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUface { + public GLUface next; /* next face (never NULL) */ + public GLUface prev; /* previous face (never NULL) */ + public GLUhalfEdge anEdge; /* a half edge with this left face */ + public Object data; /* room for client's data */ + + /* Internal data (keep hidden) */ + public GLUface trail; /* "stack" for conversion to strips */ + public boolean marked; /* flag for conversion to strips */ + public boolean inside; /* this face is in the polygon interior */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java new file mode 100644 index 000000000..c2128b616 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java @@ -0,0 +1,71 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUhalfEdge { + public GLUhalfEdge next; /* doubly-linked list (prev==Sym->next) */ + public GLUhalfEdge Sym; /* same edge, opposite direction */ + public GLUhalfEdge Onext; /* next edge CCW around origin */ + public GLUhalfEdge Lnext; /* next edge CCW around left face */ + public GLUvertex Org; /* origin vertex (Overtex too long) */ + public com.jogamp.opengl.impl.glu.tessellator.GLUface Lface; /* left face */ + + /* Internal data (keep hidden) */ + public com.jogamp.opengl.impl.glu.tessellator.ActiveRegion activeRegion; /* a region with this upper edge (sweep.c) */ + public int winding; /* change in winding number when crossing */ + public boolean first; + + public GLUhalfEdge(boolean first) { + this.first = first; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java new file mode 100644 index 000000000..493eb20f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java @@ -0,0 +1,60 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUmesh { + GLUvertex vHead = new GLUvertex(); /* dummy header for vertex list */ + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = new GLUface(); /* dummy header for face list */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHead = new GLUhalfEdge(true); /* dummy header for edge list */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHeadSym = new GLUhalfEdge(false); /* and its symmetric counterpart */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java new file mode 100644 index 000000000..b21998355 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java @@ -0,0 +1,646 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import com.jogamp.opengl.impl.glu.tessellator.*; +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +public class GLUtessellatorImpl implements GLUtessellator { + public static final int TESS_MAX_CACHE = 100; + + private int state; /* what begin/end calls have we seen? */ + + private GLUhalfEdge lastEdge; /* lastEdge->Org is the most recent vertex */ + GLUmesh mesh; /* stores the input contours, and eventually + the tessellation itself */ + + /*** state needed for projecting onto the sweep plane ***/ + + double[] normal = new double[3]; /* user-specified normal (if provided) */ + double[] sUnit = new double[3]; /* unit vector in s-direction (debugging) */ + double[] tUnit = new double[3]; /* unit vector in t-direction (debugging) */ + + /*** state needed for the line sweep ***/ + + private double relTolerance; /* tolerance for merging features */ + int windingRule; /* rule for determining polygon interior */ + boolean fatalError; /* fatal error: needed combine callback */ + + Dict dict; /* edge dictionary for sweep line */ + PriorityQ pq; /* priority queue of vertex events */ + GLUvertex event; /* current sweep event being processed */ + + /*** state needed for rendering callbacks (see render.c) ***/ + + boolean flagBoundary; /* mark boundary edges (use EdgeFlag) */ + boolean boundaryOnly; /* Extract contours, not triangles */ + boolean avoidDegenerateTris; /* JOGL-specific hint to try to improve triangulation + by avoiding producing degenerate (zero-area) triangles; + has not been tested exhaustively and is therefore an option */ + + GLUface lonelyTriList; + /* list of triangles which could not be rendered as strips or fans */ + + + + /*** state needed to cache single-contour polygons for renderCache() */ + + private boolean flushCacheOnNextVertex; /* empty cache on next vertex() call */ + int cacheCount; /* number of cached vertices */ + CachedVertex[] cache = new CachedVertex[TESS_MAX_CACHE]; /* the vertex data */ + + /*** rendering callbacks that also pass polygon data ***/ + private Object polygonData; /* client data for current polygon */ + + private GLUtessellatorCallback callBegin; + private GLUtessellatorCallback callEdgeFlag; + private GLUtessellatorCallback callVertex; + private GLUtessellatorCallback callEnd; +// private GLUtessellatorCallback callMesh; + private GLUtessellatorCallback callError; + private GLUtessellatorCallback callCombine; + + private GLUtessellatorCallback callBeginData; + private GLUtessellatorCallback callEdgeFlagData; + private GLUtessellatorCallback callVertexData; + private GLUtessellatorCallback callEndData; +// private GLUtessellatorCallback callMeshData; + private GLUtessellatorCallback callErrorData; + private GLUtessellatorCallback callCombineData; + + private static final double GLU_TESS_DEFAULT_TOLERANCE = 0.0; +// private static final int GLU_TESS_MESH = 100112; /* void (*)(GLUmesh *mesh) */ + private static GLUtessellatorCallback NULL_CB = new GLUtessellatorCallbackAdapter(); + +// #define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \ +// MAX(sizeof(GLUvertex),sizeof(GLUface)))) + + private GLUtessellatorImpl() { + state = TessState.T_DORMANT; + + normal[0] = 0; + normal[1] = 0; + normal[2] = 0; + + relTolerance = GLU_TESS_DEFAULT_TOLERANCE; + windingRule = GLU.GLU_TESS_WINDING_ODD; + flagBoundary = false; + boundaryOnly = false; + + callBegin = NULL_CB; + callEdgeFlag = NULL_CB; + callVertex = NULL_CB; + callEnd = NULL_CB; + callError = NULL_CB; + callCombine = NULL_CB; +// callMesh = NULL_CB; + + callBeginData = NULL_CB; + callEdgeFlagData = NULL_CB; + callVertexData = NULL_CB; + callEndData = NULL_CB; + callErrorData = NULL_CB; + callCombineData = NULL_CB; + + polygonData = null; + + for (int i = 0; i < cache.length; i++) { + cache[i] = new CachedVertex(); + } + } + + static public GLUtessellator gluNewTess() + { + return new GLUtessellatorImpl(); + } + + + private void makeDormant() { + /* Return the tessellator to its original dormant state. */ + + if (mesh != null) { + Mesh.__gl_meshDeleteMesh(mesh); + } + state = TessState.T_DORMANT; + lastEdge = null; + mesh = null; + } + + private void requireState(int newState) { + if (state != newState) gotoState(newState); + } + + private void gotoState(int newState) { + while (state != newState) { + /* We change the current state one level at a time, to get to + * the desired state. + */ + if (state < newState) { + if (state == TessState.T_DORMANT) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_POLYGON); + gluTessBeginPolygon(null); + } else if (state == TessState.T_IN_POLYGON) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_CONTOUR); + gluTessBeginContour(); + } + } else { + if (state == TessState.T_IN_CONTOUR) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_CONTOUR); + gluTessEndContour(); + } else if (state == TessState.T_IN_POLYGON) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_POLYGON); + /* gluTessEndPolygon( tess ) is too much work! */ + makeDormant(); + } + } + } + } + + public void gluDeleteTess() { + requireState(TessState.T_DORMANT); + } + + public void gluTessProperty(int which, double value) { + switch (which) { + case GLU.GLU_TESS_TOLERANCE: + if (value < 0.0 || value > 1.0) break; + relTolerance = value; + return; + + case GLU.GLU_TESS_WINDING_RULE: + int windingRule = (int) value; + if (windingRule != value) break; /* not an integer */ + + switch (windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + case GLU.GLU_TESS_WINDING_NONZERO: + case GLU.GLU_TESS_WINDING_POSITIVE: + case GLU.GLU_TESS_WINDING_NEGATIVE: + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + this.windingRule = windingRule; + return; + default: + break; + } + + case GLU.GLU_TESS_BOUNDARY_ONLY: + boundaryOnly = (value != 0); + return; + + case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: + avoidDegenerateTris = (value != 0); + return; + + default: + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + return; + } + callErrorOrErrorData(GLU.GLU_INVALID_VALUE); + } + +/* Returns tessellator property */ + public void gluGetTessProperty(int which, double[] value, int value_offset) { + switch (which) { + case GLU.GLU_TESS_TOLERANCE: +/* tolerance should be in range [0..1] */ + assert (0.0 <= relTolerance && relTolerance <= 1.0); + value[value_offset] = relTolerance; + break; + case GLU.GLU_TESS_WINDING_RULE: + assert (windingRule == GLU.GLU_TESS_WINDING_ODD || + windingRule == GLU.GLU_TESS_WINDING_NONZERO || + windingRule == GLU.GLU_TESS_WINDING_POSITIVE || + windingRule == GLU.GLU_TESS_WINDING_NEGATIVE || + windingRule == GLU.GLU_TESS_WINDING_ABS_GEQ_TWO); + value[value_offset] = windingRule; + break; + case GLU.GLU_TESS_BOUNDARY_ONLY: + assert (boundaryOnly == true || boundaryOnly == false); + value[value_offset] = boundaryOnly ? 1 : 0; + break; + case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: + value[value_offset] = avoidDegenerateTris ? 1 : 0; + break; + default: + value[value_offset] = 0.0; + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + break; + } + } /* gluGetTessProperty() */ + + public void gluTessNormal(double x, double y, double z) { + normal[0] = x; + normal[1] = y; + normal[2] = z; + } + + public void gluTessCallback(int which, GLUtessellatorCallback aCallback) { + switch (which) { + case GLU.GLU_TESS_BEGIN: + callBegin = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_BEGIN_DATA: + callBeginData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_EDGE_FLAG: + callEdgeFlag = aCallback == null ? NULL_CB : aCallback; +/* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + flagBoundary = aCallback != null; + return; + case GLU.GLU_TESS_EDGE_FLAG_DATA: + callEdgeFlagData = callBegin = aCallback == null ? NULL_CB : aCallback; +/* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + flagBoundary = (aCallback != null); + return; + case GLU.GLU_TESS_VERTEX: + callVertex = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_VERTEX_DATA: + callVertexData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_END: + callEnd = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_END_DATA: + callEndData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_ERROR: + callError = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_ERROR_DATA: + callErrorData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_COMBINE: + callCombine = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_COMBINE_DATA: + callCombineData = aCallback == null ? NULL_CB : aCallback; + return; +// case GLU_TESS_MESH: +// callMesh = aCallback == null ? NULL_CB : aCallback; +// return; + default: + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + return; + } + } + + private boolean addVertex(double[] coords, Object vertexData) { + GLUhalfEdge e; + + e = lastEdge; + if (e == null) { +/* Make a self-loop (one vertex, one edge). */ + + e = Mesh.__gl_meshMakeEdge(mesh); + if (e == null) return false; + if (!Mesh.__gl_meshSplice(e, e.Sym)) return false; + } else { +/* Create a new vertex and edge which immediately follow e + * in the ordering around the left face. + */ + if (Mesh.__gl_meshSplitEdge(e) == null) return false; + e = e.Lnext; + } + +/* The new vertex is now e.Org. */ + e.Org.data = vertexData; + e.Org.coords[0] = coords[0]; + e.Org.coords[1] = coords[1]; + e.Org.coords[2] = coords[2]; + +/* The winding of an edge says how the winding number changes as we + * cross from the edge''s right face to its left face. We add the + * vertices in such an order that a CCW contour will add +1 to + * the winding number of the region inside the contour. + */ + e.winding = 1; + e.Sym.winding = -1; + + lastEdge = e; + + return true; + } + + private void cacheVertex(double[] coords, Object vertexData) { + if (cache[cacheCount] == null) { + cache[cacheCount] = new CachedVertex(); + } + + CachedVertex v = cache[cacheCount]; + + v.data = vertexData; + v.coords[0] = coords[0]; + v.coords[1] = coords[1]; + v.coords[2] = coords[2]; + ++cacheCount; + } + + + private boolean flushCache() { + CachedVertex[] v = cache; + + mesh = Mesh.__gl_meshNewMesh(); + if (mesh == null) return false; + + for (int i = 0; i < cacheCount; i++) { + CachedVertex vertex = v[i]; + if (!addVertex(vertex.coords, vertex.data)) return false; + } + cacheCount = 0; + flushCacheOnNextVertex = false; + + return true; + } + + public void gluTessVertex(double[] coords, int coords_offset, Object vertexData) { + int i; + boolean tooLarge = false; + double x; + double[] clamped = new double[3]; + + requireState(TessState.T_IN_CONTOUR); + + if (flushCacheOnNextVertex) { + if (!flushCache()) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + return; + } + lastEdge = null; + } + for (i = 0; i < 3; ++i) { + x = coords[i+coords_offset]; + if (x < -GLU.GLU_TESS_MAX_COORD) { + x = -GLU.GLU_TESS_MAX_COORD; + tooLarge = true; + } + if (x > GLU.GLU_TESS_MAX_COORD) { + x = GLU.GLU_TESS_MAX_COORD; + tooLarge = true; + } + clamped[i] = x; + } + if (tooLarge) { + callErrorOrErrorData(GLU.GLU_TESS_COORD_TOO_LARGE); + } + + if (mesh == null) { + if (cacheCount < TESS_MAX_CACHE) { + cacheVertex(clamped, vertexData); + return; + } + if (!flushCache()) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + return; + } + } + + if (!addVertex(clamped, vertexData)) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + } + } + + + public void gluTessBeginPolygon(Object data) { + requireState(TessState.T_DORMANT); + + state = TessState.T_IN_POLYGON; + cacheCount = 0; + flushCacheOnNextVertex = false; + mesh = null; + + polygonData = data; + } + + + public void gluTessBeginContour() { + requireState(TessState.T_IN_POLYGON); + + state = TessState.T_IN_CONTOUR; + lastEdge = null; + if (cacheCount > 0) { +/* Just set a flag so we don't get confused by empty contours + * -- these can be generated accidentally with the obsolete + * NextContour() interface. + */ + flushCacheOnNextVertex = true; + } + } + + + public void gluTessEndContour() { + requireState(TessState.T_IN_CONTOUR); + state = TessState.T_IN_POLYGON; + } + + public void gluTessEndPolygon() { + GLUmesh mesh; + + try { + requireState(TessState.T_IN_POLYGON); + state = TessState.T_DORMANT; + + if (this.mesh == null) { + if (!flagBoundary /*&& callMesh == NULL_CB*/) { + +/* Try some special code to make the easy cases go quickly + * (eg. convex polygons). This code does NOT handle multiple contours, + * intersections, edge flags, and of course it does not generate + * an explicit mesh either. + */ + if (Render.__gl_renderCache(this)) { + polygonData = null; + return; + } + } + if (!flushCache()) throw new RuntimeException(); /* could've used a label*/ + } + +/* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ + Normal.__gl_projectPolygon(this); + +/* __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by windingRule. + * Each interior region is guaranteed be monotone. + */ + if (!Sweep.__gl_computeInterior(this)) { + throw new RuntimeException(); /* could've used a label */ + } + + mesh = this.mesh; + if (!fatalError) { + boolean rc = true; + +/* If the user wants only the boundary contours, we throw away all edges + * except those which separate the interior from the exterior. + * Otherwise we tessellate all the regions marked "inside". + */ + if (boundaryOnly) { + rc = TessMono.__gl_meshSetWindingNumber(mesh, 1, true); + } else { + rc = TessMono.__gl_meshTessellateInterior(mesh, avoidDegenerateTris); + } + if (!rc) throw new RuntimeException(); /* could've used a label */ + + Mesh.__gl_meshCheckMesh(mesh); + + if (callBegin != NULL_CB || callEnd != NULL_CB + || callVertex != NULL_CB || callEdgeFlag != NULL_CB + || callBeginData != NULL_CB + || callEndData != NULL_CB + || callVertexData != NULL_CB + || callEdgeFlagData != NULL_CB) { + if (boundaryOnly) { + Render.__gl_renderBoundary(this, mesh); /* output boundary contours */ + } else { + Render.__gl_renderMesh(this, mesh); /* output strips and fans */ + } + } +// if (callMesh != NULL_CB) { +// +///* Throw away the exterior faces, so that all faces are interior. +// * This way the user doesn't have to check the "inside" flag, +// * and we don't need to even reveal its existence. It also leaves +// * the freedom for an implementation to not generate the exterior +// * faces in the first place. +// */ +// TessMono.__gl_meshDiscardExterior(mesh); +// callMesh.mesh(mesh); /* user wants the mesh itself */ +// mesh = null; +// polygonData = null; +// return; +// } + } + Mesh.__gl_meshDeleteMesh(mesh); + polygonData = null; + mesh = null; + } catch (Exception e) { + e.printStackTrace(); + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + } + } + + /*******************************************************/ + +/* Obsolete calls -- for backward compatibility */ + + public void gluBeginPolygon() { + gluTessBeginPolygon(null); + gluTessBeginContour(); + } + + +/*ARGSUSED*/ + public void gluNextContour(int type) { + gluTessEndContour(); + gluTessBeginContour(); + } + + + public void gluEndPolygon() { + gluTessEndContour(); + gluTessEndPolygon(); + } + + void callBeginOrBeginData(int a) { + if (callBeginData != NULL_CB) + callBeginData.beginData(a, polygonData); + else + callBegin.begin(a); + } + + void callVertexOrVertexData(Object a) { + if (callVertexData != NULL_CB) + callVertexData.vertexData(a, polygonData); + else + callVertex.vertex(a); + } + + void callEdgeFlagOrEdgeFlagData(boolean a) { + if (callEdgeFlagData != NULL_CB) + callEdgeFlagData.edgeFlagData(a, polygonData); + else + callEdgeFlag.edgeFlag(a); + } + + void callEndOrEndData() { + if (callEndData != NULL_CB) + callEndData.endData(polygonData); + else + callEnd.end(); + } + + void callCombineOrCombineData(double[] coords, Object[] vertexData, float[] weights, Object[] outData) { + if (callCombineData != NULL_CB) + callCombineData.combineData(coords, vertexData, weights, outData, polygonData); + else + callCombine.combine(coords, vertexData, weights, outData); + } + + void callErrorOrErrorData(int a) { + if (callErrorData != NULL_CB) + callErrorData.errorData(a, polygonData); + else + callError.error(a); + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java new file mode 100644 index 000000000..af294caad --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java @@ -0,0 +1,65 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUvertex { + public GLUvertex next; /* next vertex (never NULL) */ + public GLUvertex prev; /* previous vertex (never NULL) */ + public com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge anEdge; /* a half-edge with this origin */ + public Object data; /* client's data */ + + /* Internal data (keep hidden) */ + public double[] coords = new double[3]; /* vertex location in 3D */ + public double s, t; /* projection onto the sweep plane */ + public int pqHandle; /* to allow deletion from priority queue */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java new file mode 100644 index 000000000..2710346d1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java @@ -0,0 +1,338 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Geom { + private Geom() { + } + + /* Given three vertices u,v,w such that VertLeq(u,v) && VertLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->t - (uw)(v->s), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->t = 0 and + * let r be the negated result (this evaluates (uw)(v->s)), then + * r is guaranteed to satisfy MIN(u->t,w->t) <= r <= MAX(u->t,w->t). + */ + static double EdgeEval(GLUvertex u, GLUvertex v, GLUvertex w) { + double gapL, gapR; + + assert (VertLeq(u, v) && VertLeq(v, w)); + + gapL = v.s - u.s; + gapR = w.s - v.s; + + if (gapL + gapR > 0) { + if (gapL < gapR) { + return (v.t - u.t) + (u.t - w.t) * (gapL / (gapL + gapR)); + } else { + return (v.t - w.t) + (w.t - u.t) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; + } + + static double EdgeSign(GLUvertex u, GLUvertex v, GLUvertex w) { + double gapL, gapR; + + assert (VertLeq(u, v) && VertLeq(v, w)); + + gapL = v.s - u.s; + gapR = w.s - v.s; + + if (gapL + gapR > 0) { + return (v.t - w.t) * gapL + (v.t - u.t) * gapR; + } + /* vertical line */ + return 0; + } + + + /*********************************************************************** + * Define versions of EdgeSign, EdgeEval with s and t transposed. + */ + + static double TransEval(GLUvertex u, GLUvertex v, GLUvertex w) { + /* Given three vertices u,v,w such that TransLeq(u,v) && TransLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->s - (uw)(v->t), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->s = 0 and + * let r be the negated result (this evaluates (uw)(v->t)), then + * r is guaranteed to satisfy MIN(u->s,w->s) <= r <= MAX(u->s,w->s). + */ + double gapL, gapR; + + assert (TransLeq(u, v) && TransLeq(v, w)); + + gapL = v.t - u.t; + gapR = w.t - v.t; + + if (gapL + gapR > 0) { + if (gapL < gapR) { + return (v.s - u.s) + (u.s - w.s) * (gapL / (gapL + gapR)); + } else { + return (v.s - w.s) + (w.s - u.s) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; + } + + static double TransSign(GLUvertex u, GLUvertex v, GLUvertex w) { + /* Returns a number whose sign matches TransEval(u,v,w) but which + * is cheaper to evaluate. Returns > 0, == 0 , or < 0 + * as v is above, on, or below the edge uw. + */ + double gapL, gapR; + + assert (TransLeq(u, v) && TransLeq(v, w)); + + gapL = v.t - u.t; + gapR = w.t - v.t; + + if (gapL + gapR > 0) { + return (v.s - w.s) * gapL + (v.s - u.s) * gapR; + } + /* vertical line */ + return 0; + } + + + static boolean VertCCW(GLUvertex u, GLUvertex v, GLUvertex w) { + /* For almost-degenerate situations, the results are not reliable. + * Unless the floating-point arithmetic can be performed without + * rounding errors, *any* implementation will give incorrect results + * on some degenerate inputs, so the client must have some way to + * handle this situation. + */ + return (u.s * (v.t - w.t) + v.s * (w.t - u.t) + w.s * (u.t - v.t)) >= 0; + } + +/* Given parameters a,x,b,y returns the value (b*x+a*y)/(a+b), + * or (x+y)/2 if a==b==0. It requires that a,b >= 0, and enforces + * this in the rare case that one argument is slightly negative. + * The implementation is extremely stable numerically. + * In particular it guarantees that the result r satisfies + * MIN(x,y) <= r <= MAX(x,y), and the results are very accurate + * even when a and b differ greatly in magnitude. + */ + static double Interpolate(double a, double x, double b, double y) { + a = (a < 0) ? 0 : a; + b = (b < 0) ? 0 : b; + if (a <= b) { + if (b == 0) { + return (x + y) / 2.0; + } else { + return (x + (y - x) * (a / (a + b))); + } + } else { + return (y + (x - y) * (b / (a + b))); + } + } + + static void EdgeIntersect(GLUvertex o1, GLUvertex d1, + GLUvertex o2, GLUvertex d2, + GLUvertex v) +/* Given edges (o1,d1) and (o2,d2), compute their point of intersection. + * The computed point is guaranteed to lie in the intersection of the + * bounding rectangles defined by each edge. + */ { + double z1, z2; + + /* This is certainly not the most efficient way to find the intersection + * of two line segments, but it is very numerically stable. + * + * Strategy: find the two middle vertices in the VertLeq ordering, + * and interpolate the intersection s-value from these. Then repeat + * using the TransLeq ordering to find the intersection t-value. + */ + + if (!VertLeq(o1, d1)) { + GLUvertex temp = o1; + o1 = d1; + d1 = temp; + } + if (!VertLeq(o2, d2)) { + GLUvertex temp = o2; + o2 = d2; + d2 = temp; + } + if (!VertLeq(o1, o2)) { + GLUvertex temp = o1; + o1 = o2; + o2 = temp; + temp = d1; + d1 = d2; + d2 = temp; + } + + if (!VertLeq(o2, d1)) { + /* Technically, no intersection -- do our best */ + v.s = (o2.s + d1.s) / 2.0; + } else if (VertLeq(d1, d2)) { + /* Interpolate between o2 and d1 */ + z1 = EdgeEval(o1, o2, d1); + z2 = EdgeEval(o2, d1, d2); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.s = Interpolate(z1, o2.s, z2, d1.s); + } else { + /* Interpolate between o2 and d2 */ + z1 = EdgeSign(o1, o2, d1); + z2 = -EdgeSign(o1, d2, d1); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.s = Interpolate(z1, o2.s, z2, d2.s); + } + + /* Now repeat the process for t */ + + if (!TransLeq(o1, d1)) { + GLUvertex temp = o1; + o1 = d1; + d1 = temp; + } + if (!TransLeq(o2, d2)) { + GLUvertex temp = o2; + o2 = d2; + d2 = temp; + } + if (!TransLeq(o1, o2)) { + GLUvertex temp = o2; + o2 = o1; + o1 = temp; + temp = d2; + d2 = d1; + d1 = temp; + } + + if (!TransLeq(o2, d1)) { + /* Technically, no intersection -- do our best */ + v.t = (o2.t + d1.t) / 2.0; + } else if (TransLeq(d1, d2)) { + /* Interpolate between o2 and d1 */ + z1 = TransEval(o1, o2, d1); + z2 = TransEval(o2, d1, d2); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.t = Interpolate(z1, o2.t, z2, d1.t); + } else { + /* Interpolate between o2 and d2 */ + z1 = TransSign(o1, o2, d1); + z2 = -TransSign(o1, d2, d1); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.t = Interpolate(z1, o2.t, z2, d2.t); + } + } + + static boolean VertEq(GLUvertex u, GLUvertex v) { + return u.s == v.s && u.t == v.t; + } + + static boolean VertLeq(GLUvertex u, GLUvertex v) { + return u.s < v.s || (u.s == v.s && u.t <= v.t); + } + +/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */ + + static boolean TransLeq(GLUvertex u, GLUvertex v) { + return u.t < v.t || (u.t == v.t && u.s <= v.s); + } + + static boolean EdgeGoesLeft(GLUhalfEdge e) { + return VertLeq(e.Sym.Org, e.Org); + } + + static boolean EdgeGoesRight(GLUhalfEdge e) { + return VertLeq(e.Org, e.Sym.Org); + } + + static double VertL1dist(GLUvertex u, GLUvertex v) { + return Math.abs(u.s - v.s) + Math.abs(u.t - v.t); + } + + /***********************************************************************/ + + // Compute the cosine of the angle between the edges between o and + // v1 and between o and v2 + static double EdgeCos(GLUvertex o, GLUvertex v1, GLUvertex v2) { + double ov1s = v1.s - o.s; + double ov1t = v1.t - o.t; + double ov2s = v2.s - o.s; + double ov2t = v2.t - o.t; + double dotp = ov1s * ov2s + ov1t * ov2t; + double len = Math.sqrt(ov1s * ov1s + ov1t * ov1t) * Math.sqrt(ov2s * ov2s + ov2t * ov2t); + if (len > 0.0) { + dotp /= len; + } + return dotp; + } + + static final double EPSILON = 1.0e-5; + static final double ONE_MINUS_EPSILON = 1.0 - EPSILON; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java new file mode 100644 index 000000000..b8be9f80f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java @@ -0,0 +1,734 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Mesh { + private Mesh() { + } + + /************************ Utility Routines ************************/ +/* MakeEdge creates a new pair of half-edges which form their own loop. + * No vertex or face structures are allocated, but these must be assigned + * before the current edge operation is completed. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge MakeEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge ePrev; + +// EdgePair * pair = (EdgePair *) +// memAlloc(sizeof(EdgePair)); +// if (pair == NULL) return NULL; +// +// e = &pair - > e; + e = new com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge(true); +// eSym = &pair - > eSym; + eSym = new com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge(false); + + + /* Make sure eNext points to the first edge of the edge pair */ + if (!eNext.first) { + eNext = eNext.Sym; + } + + /* Insert in circular doubly-linked list before eNext. + * Note that the prev pointer is stored in Sym->next. + */ + ePrev = eNext.Sym.next; + eSym.next = ePrev; + ePrev.Sym.next = e; + e.next = eNext; + eNext.Sym.next = eSym; + + e.Sym = eSym; + e.Onext = e; + e.Lnext = eSym; + e.Org = null; + e.Lface = null; + e.winding = 0; + e.activeRegion = null; + + eSym.Sym = e; + eSym.Onext = eSym; + eSym.Lnext = e; + eSym.Org = null; + eSym.Lface = null; + eSym.winding = 0; + eSym.activeRegion = null; + + return e; + } + +/* Splice( a, b ) is best described by the Guibas/Stolfi paper or the + * CS348a notes (see mesh.h). Basically it modifies the mesh so that + * a->Onext and b->Onext are exchanged. This can have various effects + * depending on whether a and b belong to different face or vertex rings. + * For more explanation see __gl_meshSplice() below. + */ + static void Splice(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge a, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge b) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge aOnext = a.Onext; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge bOnext = b.Onext; + + aOnext.Sym.Lnext = b; + bOnext.Sym.Lnext = a; + a.Onext = bOnext; + b.Onext = aOnext; + } + +/* MakeVertex( newVertex, eOrig, vNext ) attaches a new vertex and makes it the + * origin of all edges in the vertex loop to which eOrig belongs. "vNext" gives + * a place to insert the new vertex in the global vertex list. We insert + * the new vertex *before* vNext so that algorithms which walk the vertex + * list will not see the newly created vertices. + */ + static void MakeVertex(com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex, + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.jogamp.opengl.impl.glu.tessellator.GLUvertex vNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vNew = newVertex; + + assert (vNew != null); + + /* insert in circular doubly-linked list before vNext */ + vPrev = vNext.prev; + vNew.prev = vPrev; + vPrev.next = vNew; + vNew.next = vNext; + vNext.prev = vNew; + + vNew.anEdge = eOrig; + vNew.data = null; + /* leave coords, s, t undefined */ + + /* fix other edges on this vertex loop */ + e = eOrig; + do { + e.Org = vNew; + e = e.Onext; + } while (e != eOrig); + } + +/* MakeFace( newFace, eOrig, fNext ) attaches a new face and makes it the left + * face of all edges in the face loop to which eOrig belongs. "fNext" gives + * a place to insert the new face in the global face list. We insert + * the new face *before* fNext so that algorithms which walk the face + * list will not see the newly created faces. + */ + static void MakeFace(com.jogamp.opengl.impl.glu.tessellator.GLUface newFace, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.jogamp.opengl.impl.glu.tessellator.GLUface fNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUface fNew = newFace; + + assert (fNew != null); + + /* insert in circular doubly-linked list before fNext */ + fPrev = fNext.prev; + fNew.prev = fPrev; + fPrev.next = fNew; + fNew.next = fNext; + fNext.prev = fNew; + + fNew.anEdge = eOrig; + fNew.data = null; + fNew.trail = null; + fNew.marked = false; + + /* The new face is marked "inside" if the old one was. This is a + * convenience for the common case where a face has been split in two. + */ + fNew.inside = fNext.inside; + + /* fix other edges on this face loop */ + e = eOrig; + do { + e.Lface = fNew; + e = e.Lnext; + } while (e != eOrig); + } + +/* KillEdge( eDel ) destroys an edge (the half-edges eDel and eDel->Sym), + * and removes from the global edge list. + */ + static void KillEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge ePrev, eNext; + + /* Half-edges are allocated in pairs, see EdgePair above */ + if (!eDel.first) { + eDel = eDel.Sym; + } + + /* delete from circular doubly-linked list */ + eNext = eDel.next; + ePrev = eDel.Sym.next; + eNext.Sym.next = ePrev; + ePrev.Sym.next = eNext; + } + + +/* KillVertex( vDel ) destroys a vertex and removes it from the global + * vertex list. It updates the vertex loop to point to a given new vertex. + */ + static void KillVertex(com.jogamp.opengl.impl.glu.tessellator.GLUvertex vDel, com.jogamp.opengl.impl.glu.tessellator.GLUvertex newOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = vDel.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vPrev, vNext; + + /* change the origin of all affected edges */ + e = eStart; + do { + e.Org = newOrg; + e = e.Onext; + } while (e != eStart); + + /* delete from circular doubly-linked list */ + vPrev = vDel.prev; + vNext = vDel.next; + vNext.prev = vPrev; + vPrev.next = vNext; + } + +/* KillFace( fDel ) destroys a face and removes it from the global face + * list. It updates the face loop to point to a given new face. + */ + static void KillFace(com.jogamp.opengl.impl.glu.tessellator.GLUface fDel, com.jogamp.opengl.impl.glu.tessellator.GLUface newLface) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = fDel.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev, fNext; + + /* change the left face of all affected edges */ + e = eStart; + do { + e.Lface = newLface; + e = e.Lnext; + } while (e != eStart); + + /* delete from circular doubly-linked list */ + fPrev = fDel.prev; + fNext = fDel.next; + fNext.prev = fPrev; + fPrev.next = fNext; + } + + + /****************** Basic Edge Operations **********************/ + +/* __gl_meshMakeEdge creates one edge, two vertices, and a loop (face). + * The loop consists of the two new half-edges. + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshMakeEdge(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex1 = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex2 = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + e = MakeEdge(mesh.eHead); + if (e == null) return null; + + MakeVertex(newVertex1, e, mesh.vHead); + MakeVertex(newVertex2, e.Sym, mesh.vHead); + MakeFace(newFace, e, mesh.fHead); + return e; + } + + +/* __gl_meshSplice( eOrg, eDst ) is the basic operation for changing the + * mesh connectivity and topology. It changes the mesh so that + * eOrg->Onext <- OLD( eDst->Onext ) + * eDst->Onext <- OLD( eOrg->Onext ) + * where OLD(...) means the value before the meshSplice operation. + * + * This can have two effects on the vertex structure: + * - if eOrg->Org != eDst->Org, the two vertices are merged together + * - if eOrg->Org == eDst->Org, the origin is split into two vertices + * In both cases, eDst->Org is changed and eOrg->Org is untouched. + * + * Similarly (and independently) for the face structure, + * - if eOrg->Lface == eDst->Lface, one loop is split into two + * - if eOrg->Lface != eDst->Lface, two distinct loops are joined into one + * In both cases, eDst->Lface is changed and eOrg->Lface is unaffected. + * + * Some special cases: + * If eDst == eOrg, the operation has no effect. + * If eDst == eOrg->Lnext, the new face will have a single edge. + * If eDst == eOrg->Lprev, the old face will have a single edge. + * If eDst == eOrg->Onext, the new vertex will have a single edge. + * If eDst == eOrg->Oprev, the old vertex will have a single edge. + */ + public static boolean __gl_meshSplice(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { + boolean joiningLoops = false; + boolean joiningVertices = false; + + if (eOrg == eDst) return true; + + if (eDst.Org != eOrg.Org) { + /* We are merging two disjoint vertices -- destroy eDst->Org */ + joiningVertices = true; + KillVertex(eDst.Org, eOrg.Org); + } + if (eDst.Lface != eOrg.Lface) { + /* We are connecting two disjoint loops -- destroy eDst.Lface */ + joiningLoops = true; + KillFace(eDst.Lface, eOrg.Lface); + } + + /* Change the edge structure */ + Splice(eDst, eOrg); + + if (!joiningVertices) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + + /* We split one vertex into two -- the new vertex is eDst.Org. + * Make sure the old vertex points to a valid half-edge. + */ + MakeVertex(newVertex, eDst, eOrg.Org); + eOrg.Org.anEdge = eOrg; + } + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We split one loop into two -- the new loop is eDst.Lface. + * Make sure the old face points to a valid half-edge. + */ + MakeFace(newFace, eDst, eOrg.Lface); + eOrg.Lface.anEdge = eOrg; + } + + return true; + } + + +/* __gl_meshDelete( eDel ) removes the edge eDel. There are several cases: + * if (eDel.Lface != eDel.Rface), we join two loops into one; the loop + * eDel.Lface is deleted. Otherwise, we are splitting one loop into two; + * the newly created loop will contain eDel.Dst. If the deletion of eDel + * would create isolated vertices, those are deleted as well. + * + * This function could be implemented as two calls to __gl_meshSplice + * plus a few calls to memFree, but this would allocate and delete + * unnecessary vertices and faces. + */ + static boolean __gl_meshDelete(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDelSym = eDel.Sym; + boolean joiningLoops = false; + + /* First step: disconnect the origin vertex eDel.Org. We make all + * changes to get a consistent mesh in this "intermediate" state. + */ + if (eDel.Lface != eDel.Sym.Lface) { + /* We are joining two loops into one -- remove the left face */ + joiningLoops = true; + KillFace(eDel.Lface, eDel.Sym.Lface); + } + + if (eDel.Onext == eDel) { + KillVertex(eDel.Org, null); + } else { + /* Make sure that eDel.Org and eDel.Sym.Lface point to valid half-edges */ + eDel.Sym.Lface.anEdge = eDel.Sym.Lnext; + eDel.Org.anEdge = eDel.Onext; + + Splice(eDel, eDel.Sym.Lnext); + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We are splitting one loop into two -- create a new loop for eDel. */ + MakeFace(newFace, eDel, eDel.Lface); + } + } + + /* Claim: the mesh is now in a consistent state, except that eDel.Org + * may have been deleted. Now we disconnect eDel.Dst. + */ + if (eDelSym.Onext == eDelSym) { + KillVertex(eDelSym.Org, null); + KillFace(eDelSym.Lface, null); + } else { + /* Make sure that eDel.Dst and eDel.Lface point to valid half-edges */ + eDel.Lface.anEdge = eDelSym.Sym.Lnext; + eDelSym.Org.anEdge = eDelSym.Onext; + Splice(eDelSym, eDelSym.Sym.Lnext); + } + + /* Any isolated vertices or faces have already been freed. */ + KillEdge(eDel); + + return true; + } + + + /******************** Other Edge Operations **********************/ + +/* All these routines can be implemented with the basic edge + * operations above. They are provided for convenience and efficiency. + */ + + +/* __gl_meshAddEdgeVertex( eOrg ) creates a new edge eNew such that + * eNew == eOrg.Lnext, and eNew.Dst is a newly created vertex. + * eOrg and eNew will have the same left face. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshAddEdgeVertex(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); + + eNewSym = eNew.Sym; + + /* Connect the new edge appropriately */ + Splice(eNew, eOrg.Lnext); + + /* Set the vertex and face information */ + eNew.Org = eOrg.Sym.Org; + { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + + MakeVertex(newVertex, eNewSym, eNew.Org); + } + eNew.Lface = eNewSym.Lface = eOrg.Lface; + + return eNew; + } + + +/* __gl_meshSplitEdge( eOrg ) splits eOrg into two edges eOrg and eNew, + * such that eNew == eOrg.Lnext. The new vertex is eOrg.Sym.Org == eNew.Org. + * eOrg and eNew will have the same left face. + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshSplitEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge tempHalfEdge = __gl_meshAddEdgeVertex(eOrg); + + eNew = tempHalfEdge.Sym; + + /* Disconnect eOrg from eOrg.Sym.Org and connect it to eNew.Org */ + Splice(eOrg.Sym, eOrg.Sym.Sym.Lnext); + Splice(eOrg.Sym, eNew); + + /* Set the vertex and face information */ + eOrg.Sym.Org = eNew.Org; + eNew.Sym.Org.anEdge = eNew.Sym; /* may have pointed to eOrg.Sym */ + eNew.Sym.Lface = eOrg.Sym.Lface; + eNew.winding = eOrg.winding; /* copy old winding information */ + eNew.Sym.winding = eOrg.Sym.winding; + + return eNew; + } + + +/* __gl_meshConnect( eOrg, eDst ) creates a new edge from eOrg.Sym.Org + * to eDst.Org, and returns the corresponding half-edge eNew. + * If eOrg.Lface == eDst.Lface, this splits one loop into two, + * and the newly created loop is eNew.Lface. Otherwise, two disjoint + * loops are merged into one, and the loop eDst.Lface is destroyed. + * + * If (eOrg == eDst), the new face will have only two edges. + * If (eOrg.Lnext == eDst), the old face is reduced to a single edge. + * If (eOrg.Lnext.Lnext == eDst), the old face is reduced to two edges. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshConnect(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; + boolean joiningLoops = false; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); + + eNewSym = eNew.Sym; + + if (eDst.Lface != eOrg.Lface) { + /* We are connecting two disjoint loops -- destroy eDst.Lface */ + joiningLoops = true; + KillFace(eDst.Lface, eOrg.Lface); + } + + /* Connect the new edge appropriately */ + Splice(eNew, eOrg.Lnext); + Splice(eNewSym, eDst); + + /* Set the vertex and face information */ + eNew.Org = eOrg.Sym.Org; + eNewSym.Org = eDst.Org; + eNew.Lface = eNewSym.Lface = eOrg.Lface; + + /* Make sure the old face points to a valid half-edge */ + eOrg.Lface.anEdge = eNewSym; + + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We split one loop into two -- the new loop is eNew.Lface */ + MakeFace(newFace, eNew, eOrg.Lface); + } + return eNew; + } + + + /******************** Other Operations **********************/ + +/* __gl_meshZapFace( fZap ) destroys a face and removes it from the + * global face list. All edges of fZap will have a null pointer as their + * left face. Any edges which also have a null pointer as their right face + * are deleted entirely (along with any isolated vertices this produces). + * An entire mesh can be deleted by zapping its faces, one at a time, + * in any order. Zapped faces cannot be used in further mesh operations! + */ + static void __gl_meshZapFace(com.jogamp.opengl.impl.glu.tessellator.GLUface fZap) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart = fZap.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext, eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev, fNext; + + /* walk around face, deleting edges whose right face is also null */ + eNext = eStart.Lnext; + do { + e = eNext; + eNext = e.Lnext; + + e.Lface = null; + if (e.Sym.Lface == null) { + /* delete the edge -- see __gl_MeshDelete above */ + + if (e.Onext == e) { + KillVertex(e.Org, null); + } else { + /* Make sure that e.Org points to a valid half-edge */ + e.Org.anEdge = e.Onext; + Splice(e, e.Sym.Lnext); + } + eSym = e.Sym; + if (eSym.Onext == eSym) { + KillVertex(eSym.Org, null); + } else { + /* Make sure that eSym.Org points to a valid half-edge */ + eSym.Org.anEdge = eSym.Onext; + Splice(eSym, eSym.Sym.Lnext); + } + KillEdge(e); + } + } while (e != eStart); + + /* delete from circular doubly-linked list */ + fPrev = fZap.prev; + fNext = fZap.next; + fNext.prev = fPrev; + fPrev.next = fNext; + } + + +/* __gl_meshNewMesh() creates a new mesh with no edges, no vertices, + * and no loops (what we usually call a "face"). + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUmesh __gl_meshNewMesh() { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v; + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh = new com.jogamp.opengl.impl.glu.tessellator.GLUmesh(); + + v = mesh.vHead; + f = mesh.fHead; + e = mesh.eHead; + eSym = mesh.eHeadSym; + + v.next = v.prev = v; + v.anEdge = null; + v.data = null; + + f.next = f.prev = f; + f.anEdge = null; + f.data = null; + f.trail = null; + f.marked = false; + f.inside = false; + + e.next = e; + e.Sym = eSym; + e.Onext = null; + e.Lnext = null; + e.Org = null; + e.Lface = null; + e.winding = 0; + e.activeRegion = null; + + eSym.next = eSym; + eSym.Sym = e; + eSym.Onext = null; + eSym.Lnext = null; + eSym.Org = null; + eSym.Lface = null; + eSym.winding = 0; + eSym.activeRegion = null; + + return mesh; + } + + +/* __gl_meshUnion( mesh1, mesh2 ) forms the union of all structures in + * both meshes, and returns the new mesh (the old meshes are destroyed). + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUmesh __gl_meshUnion(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh1, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh2) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f1 = mesh1.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v1 = mesh1.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e1 = mesh1.eHead; + com.jogamp.opengl.impl.glu.tessellator.GLUface f2 = mesh2.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v2 = mesh2.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e2 = mesh2.eHead; + + /* Add the faces, vertices, and edges of mesh2 to those of mesh1 */ + if (f2.next != f2) { + f1.prev.next = f2.next; + f2.next.prev = f1.prev; + f2.prev.next = f1; + f1.prev = f2.prev; + } + + if (v2.next != v2) { + v1.prev.next = v2.next; + v2.next.prev = v1.prev; + v2.prev.next = v1; + v1.prev = v2.prev; + } + + if (e2.next != e2) { + e1.Sym.next.Sym.next = e2.next; + e2.next.Sym.next = e1.Sym.next; + e2.Sym.next.Sym.next = e1; + e1.Sym.next = e2.Sym.next; + } + + return mesh1; + } + + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ + static void __gl_meshDeleteMeshZap(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; + + while (fHead.next != fHead) { + __gl_meshZapFace(fHead.next); + } + assert (mesh.vHead.next == mesh.vHead); + } + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ + public static void __gl_meshDeleteMesh(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fNext; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vNext; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext; + + for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { + fNext = f.next; + } + + for (v = mesh.vHead.next; v != mesh.vHead; v = vNext) { + vNext = v.next; + } + + for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { + /* One call frees both e and e.Sym (see EdgePair above) */ + eNext = e.next; + } + } + +/* __gl_meshCheckMesh( mesh ) checks a mesh for self-consistency. + */ + public static void __gl_meshCheckMesh(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vHead = mesh.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHead = mesh.eHead; + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, ePrev; + + fPrev = fHead; + for (fPrev = fHead; (f = fPrev.next) != fHead; fPrev = f) { + assert (f.prev == fPrev); + e = f.anEdge; + do { + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + assert (e.Lface == f); + e = e.Lnext; + } while (e != f.anEdge); + } + assert (f.prev == fPrev && f.anEdge == null && f.data == null); + + vPrev = vHead; + for (vPrev = vHead; (v = vPrev.next) != vHead; vPrev = v) { + assert (v.prev == vPrev); + e = v.anEdge; + do { + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + assert (e.Org == v); + e = e.Onext; + } while (e != v.anEdge); + } + assert (v.prev == vPrev && v.anEdge == null && v.data == null); + + ePrev = eHead; + for (ePrev = eHead; (e = ePrev.next) != eHead; ePrev = e) { + assert (e.Sym.next == ePrev.Sym); + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Org != null); + assert (e.Sym.Org != null); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + } + assert (e.Sym.next == ePrev.Sym + && e.Sym == mesh.eHeadSym + && e.Sym.Sym == e + && e.Org == null && e.Sym.Org == null + && e.Lface == null && e.Sym.Lface == null); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java new file mode 100644 index 000000000..fe1a20c49 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java @@ -0,0 +1,288 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Normal { + private Normal() { + } + + static boolean SLANTED_SWEEP = false; + static double S_UNIT_X; /* Pre-normalized */ + static double S_UNIT_Y; + private static final boolean TRUE_PROJECT = false; + + static { + if (SLANTED_SWEEP) { +/* The "feature merging" is not intended to be complete. There are + * special cases where edges are nearly parallel to the sweep line + * which are not implemented. The algorithm should still behave + * robustly (ie. produce a reasonable tesselation) in the presence + * of such edges, however it may miss features which could have been + * merged. We could minimize this effect by choosing the sweep line + * direction to be something unusual (ie. not parallel to one of the + * coordinate axes). + */ + S_UNIT_X = 0.50941539564955385; /* Pre-normalized */ + S_UNIT_Y = 0.86052074622010633; + } else { + S_UNIT_X = 1.0; + S_UNIT_Y = 0.0; + } + } + + private static double Dot(double[] u, double[] v) { + return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2]); + } + + static void Normalize(double[] v) { + double len = v[0] * v[0] + v[1] * v[1] + v[2] * v[2]; + + assert (len > 0); + len = Math.sqrt(len); + v[0] /= len; + v[1] /= len; + v[2] /= len; + } + + static int LongAxis(double[] v) { + int i = 0; + + if (Math.abs(v[1]) > Math.abs(v[0])) { + i = 1; + } + if (Math.abs(v[2]) > Math.abs(v[i])) { + i = 2; + } + return i; + } + + static void ComputeNormal(GLUtessellatorImpl tess, double[] norm) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, v1, v2; + double c, tLen2, maxLen2; + double[] maxVal, minVal, d1, d2, tNorm; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex[] maxVert, minVert; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vHead = tess.mesh.vHead; + int i; + + maxVal = new double[3]; + minVal = new double[3]; + minVert = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex[3]; + maxVert = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex[3]; + d1 = new double[3]; + d2 = new double[3]; + tNorm = new double[3]; + + maxVal[0] = maxVal[1] = maxVal[2] = -2 * GLU.GLU_TESS_MAX_COORD; + minVal[0] = minVal[1] = minVal[2] = 2 * GLU.GLU_TESS_MAX_COORD; + + for (v = vHead.next; v != vHead; v = v.next) { + for (i = 0; i < 3; ++i) { + c = v.coords[i]; + if (c < minVal[i]) { + minVal[i] = c; + minVert[i] = v; + } + if (c > maxVal[i]) { + maxVal[i] = c; + maxVert[i] = v; + } + } + } + +/* Find two vertices separated by at least 1/sqrt(3) of the maximum + * distance between any two vertices + */ + i = 0; + if (maxVal[1] - minVal[1] > maxVal[0] - minVal[0]) { + i = 1; + } + if (maxVal[2] - minVal[2] > maxVal[i] - minVal[i]) { + i = 2; + } + if (minVal[i] >= maxVal[i]) { +/* All vertices are the same -- normal doesn't matter */ + norm[0] = 0; + norm[1] = 0; + norm[2] = 1; + return; + } + +/* Look for a third vertex which forms the triangle with maximum area + * (Length of normal == twice the triangle area) + */ + maxLen2 = 0; + v1 = minVert[i]; + v2 = maxVert[i]; + d1[0] = v1.coords[0] - v2.coords[0]; + d1[1] = v1.coords[1] - v2.coords[1]; + d1[2] = v1.coords[2] - v2.coords[2]; + for (v = vHead.next; v != vHead; v = v.next) { + d2[0] = v.coords[0] - v2.coords[0]; + d2[1] = v.coords[1] - v2.coords[1]; + d2[2] = v.coords[2] - v2.coords[2]; + tNorm[0] = d1[1] * d2[2] - d1[2] * d2[1]; + tNorm[1] = d1[2] * d2[0] - d1[0] * d2[2]; + tNorm[2] = d1[0] * d2[1] - d1[1] * d2[0]; + tLen2 = tNorm[0] * tNorm[0] + tNorm[1] * tNorm[1] + tNorm[2] * tNorm[2]; + if (tLen2 > maxLen2) { + maxLen2 = tLen2; + norm[0] = tNorm[0]; + norm[1] = tNorm[1]; + norm[2] = tNorm[2]; + } + } + + if (maxLen2 <= 0) { +/* All points lie on a single line -- any decent normal will do */ + norm[0] = norm[1] = norm[2] = 0; + norm[LongAxis(d1)] = 1; + } + } + + static void CheckOrientation(GLUtessellatorImpl tess) { + double area; + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fHead = tess.mesh.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + +/* When we compute the normal automatically, we choose the orientation + * so that the the sum of the signed areas of all contours is non-negative. + */ + area = 0; + for (f = fHead.next; f != fHead; f = f.next) { + e = f.anEdge; + if (e.winding <= 0) continue; + do { + area += (e.Org.s - e.Sym.Org.s) * (e.Org.t + e.Sym.Org.t); + e = e.Lnext; + } while (e != f.anEdge); + } + if (area < 0) { +/* Reverse the orientation by flipping all the t-coordinates */ + for (v = vHead.next; v != vHead; v = v.next) { + v.t = -v.t; + } + tess.tUnit[0] = -tess.tUnit[0]; + tess.tUnit[1] = -tess.tUnit[1]; + tess.tUnit[2] = -tess.tUnit[2]; + } + } + +/* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ + public static void __gl_projectPolygon(GLUtessellatorImpl tess) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; + double w; + double[] norm = new double[3]; + double[] sUnit, tUnit; + int i; + boolean computedNormal = false; + + norm[0] = tess.normal[0]; + norm[1] = tess.normal[1]; + norm[2] = tess.normal[2]; + if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { + ComputeNormal(tess, norm); + computedNormal = true; + } + sUnit = tess.sUnit; + tUnit = tess.tUnit; + i = LongAxis(norm); + + if (TRUE_PROJECT) { +/* Choose the initial sUnit vector to be approximately perpendicular + * to the normal. + */ + Normalize(norm); + + sUnit[i] = 0; + sUnit[(i + 1) % 3] = S_UNIT_X; + sUnit[(i + 2) % 3] = S_UNIT_Y; + +/* Now make it exactly perpendicular */ + w = Dot(sUnit, norm); + sUnit[0] -= w * norm[0]; + sUnit[1] -= w * norm[1]; + sUnit[2] -= w * norm[2]; + Normalize(sUnit); + +/* Choose tUnit so that (sUnit,tUnit,norm) form a right-handed frame */ + tUnit[0] = norm[1] * sUnit[2] - norm[2] * sUnit[1]; + tUnit[1] = norm[2] * sUnit[0] - norm[0] * sUnit[2]; + tUnit[2] = norm[0] * sUnit[1] - norm[1] * sUnit[0]; + Normalize(tUnit); + } else { +/* Project perpendicular to a coordinate axis -- better numerically */ + sUnit[i] = 0; + sUnit[(i + 1) % 3] = S_UNIT_X; + sUnit[(i + 2) % 3] = S_UNIT_Y; + + tUnit[i] = 0; + tUnit[(i + 1) % 3] = (norm[i] > 0) ? -S_UNIT_Y : S_UNIT_Y; + tUnit[(i + 2) % 3] = (norm[i] > 0) ? S_UNIT_X : -S_UNIT_X; + } + +/* Project the vertices onto the sweep plane */ + for (v = vHead.next; v != vHead; v = v.next) { + v.s = Dot(v.coords, sUnit); + v.t = Dot(v.coords, tUnit); + } + if (computedNormal) { + CheckOrientation(tess); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java new file mode 100644 index 000000000..b77305ae2 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java @@ -0,0 +1,100 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +abstract class PriorityQ { + public static final int INIT_SIZE = 32; + + public static class PQnode { + int handle; + } + + public static class PQhandleElem { + Object key; + int node; + } + + public static interface Leq { + boolean leq(Object key1, Object key2); + } + + // #ifdef FOR_TRITE_TEST_PROGRAM +// private static boolean LEQ(PriorityQCommon.Leq leq, Object x,Object y) { +// return pq.leq.leq(x,y); +// } +// #else +/* Violates modularity, but a little faster */ +// #include "geom.h" + public static boolean LEQ(Leq leq, Object x, Object y) { + return com.jogamp.opengl.impl.glu.tessellator.Geom.VertLeq((com.jogamp.opengl.impl.glu.tessellator.GLUvertex) x, (com.jogamp.opengl.impl.glu.tessellator.GLUvertex) y); + } + + static PriorityQ pqNewPriorityQ(Leq leq) { + return new PriorityQSort(leq); + } + + abstract void pqDeletePriorityQ(); + + abstract boolean pqInit(); + + abstract int pqInsert(Object keyNew); + + abstract Object pqExtractMin(); + + abstract void pqDelete(int hCurr); + + abstract Object pqMinimum(); + + abstract boolean pqIsEmpty(); +// #endif +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java new file mode 100644 index 000000000..61aa9574f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java @@ -0,0 +1,262 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class PriorityQHeap extends com.jogamp.opengl.impl.glu.tessellator.PriorityQ { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] handles; + int size, max; + int freeList; + boolean initialized; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq; + +/* really __gl_pqHeapNewPriorityQ */ + public PriorityQHeap(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { + size = 0; + max = com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; + nodes = new com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; + for (int i = 0; i < nodes.length; i++) { + nodes[i] = new PQnode(); + } + handles = new com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; + for (int i = 0; i < handles.length; i++) { + handles[i] = new PQhandleElem(); + } + initialized = false; + freeList = 0; + this.leq = leq; + + nodes[1].handle = 1; /* so that Minimum() returns NULL */ + handles[1].key = null; + } + +/* really __gl_pqHeapDeletePriorityQ */ + void pqDeletePriorityQ() { + handles = null; + nodes = null; + } + + void FloatDown(int curr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hCurr, hChild; + int child; + + hCurr = n[curr].handle; + for (; ;) { + child = curr << 1; + if (child < size && LEQ(leq, h[n[child + 1].handle].key, + h[n[child].handle].key)) { + ++child; + } + + assert (child <= max); + + hChild = n[child].handle; + if (child > size || LEQ(leq, h[hCurr].key, h[hChild].key)) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hChild; + h[hChild].node = curr; + curr = child; + } + } + + + void FloatUp(int curr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hCurr, hParent; + int parent; + + hCurr = n[curr].handle; + for (; ;) { + parent = curr >> 1; + hParent = n[parent].handle; + if (parent == 0 || LEQ(leq, h[hParent].key, h[hCurr].key)) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hParent; + h[hParent].node = curr; + curr = parent; + } + } + +/* really __gl_pqHeapInit */ + boolean pqInit() { + int i; + + /* This method of building a heap is O(n), rather than O(n lg n). */ + + for (i = size; i >= 1; --i) { + FloatDown(i); + } + initialized = true; + + return true; + } + +/* really __gl_pqHeapInsert */ +/* returns LONG_MAX iff out of memory */ + int pqInsert(Object keyNew) { + int curr; + int free; + + curr = ++size; + if ((curr * 2) > max) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] saveNodes = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] saveHandles = handles; + + /* If the heap overflows, double its size. */ + max <<= 1; +// pq->nodes = (PQnode *)memRealloc( pq->nodes, (size_t) ((pq->max + 1) * sizeof( pq->nodes[0] ))); + PriorityQ.PQnode[] pqNodes = new PriorityQ.PQnode[max + 1]; + System.arraycopy( nodes, 0, pqNodes, 0, nodes.length ); + for (int i = nodes.length; i < pqNodes.length; i++) { + pqNodes[i] = new PQnode(); + } + nodes = pqNodes; + if (nodes == null) { + nodes = saveNodes; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + +// pq->handles = (PQhandleElem *)memRealloc( pq->handles,(size_t)((pq->max + 1) * sizeof( pq->handles[0] ))); + PriorityQ.PQhandleElem[] pqHandles = new PriorityQ.PQhandleElem[max + 1]; + System.arraycopy( handles, 0, pqHandles, 0, handles.length ); + for (int i = handles.length; i < pqHandles.length; i++) { + pqHandles[i] = new PQhandleElem(); + } + handles = pqHandles; + if (handles == null) { + handles = saveHandles; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + } + + if (freeList == 0) { + free = curr; + } else { + free = freeList; + freeList = handles[free].node; + } + + nodes[curr].handle = free; + handles[free].node = curr; + handles[free].key = keyNew; + + if (initialized) { + FloatUp(curr); + } + assert (free != Integer.MAX_VALUE); + return free; + } + +/* really __gl_pqHeapExtractMin */ + Object pqExtractMin() { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hMin = n[1].handle; + Object min = h[hMin].key; + + if (size > 0) { + n[1].handle = n[size].handle; + h[n[1].handle].node = 1; + + h[hMin].key = null; + h[hMin].node = freeList; + freeList = hMin; + + if (--size > 0) { + FloatDown(1); + } + } + return min; + } + +/* really __gl_pqHeapDelete */ + void pqDelete(int hCurr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int curr; + + assert (hCurr >= 1 && hCurr <= max && h[hCurr].key != null); + + curr = h[hCurr].node; + n[curr].handle = n[size].handle; + h[n[curr].handle].node = curr; + + if (curr <= --size) { + if (curr <= 1 || LEQ(leq, h[n[curr >> 1].handle].key, h[n[curr].handle].key)) { + FloatDown(curr); + } else { + FloatUp(curr); + } + } + h[hCurr].key = null; + h[hCurr].node = freeList; + freeList = hCurr; + } + + Object pqMinimum() { + return handles[nodes[1].handle].key; + } + + boolean pqIsEmpty() { + return size == 0; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java new file mode 100644 index 000000000..f115b8f49 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java @@ -0,0 +1,278 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class PriorityQSort extends com.jogamp.opengl.impl.glu.tessellator.PriorityQ { + com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap heap; + Object[] keys; + + // JAVA: 'order' contains indices into the keys array. + // This simulates the indirect pointers used in the original C code + // (from Frank Suykens, Luciad.com). + int[] order; + int size, max; + boolean initialized; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq; + + public PriorityQSort(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { + heap = new com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap(leq); + + keys = new Object[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE]; + + size = 0; + max = com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; + initialized = false; + this.leq = leq; + } + +/* really __gl_pqSortDeletePriorityQ */ + void pqDeletePriorityQ() { + if (heap != null) heap.pqDeletePriorityQ(); + order = null; + keys = null; + } + + private static boolean LT(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { + return (!com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, y, x)); + } + + private static boolean GT(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { + return (!com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, x, y)); + } + + private static void Swap(int[] array, int a, int b) { + if (true) { + int tmp = array[a]; + array[a] = array[b]; + array[b] = tmp; + } else { + + } + } + + private static class Stack { + int p, r; + } + +/* really __gl_pqSortInit */ + boolean pqInit() { + int p, r, i, j; + int piv; + Stack[] stack = new Stack[50]; + for (int k = 0; k < stack.length; k++) { + stack[k] = new Stack(); + } + int top = 0; + + int seed = 2016473283; + + /* Create an array of indirect pointers to the keys, so that we + * the handles we have returned are still valid. + */ + order = new int[size + 1]; +/* the previous line is a patch to compensate for the fact that IBM */ +/* machines return a null on a malloc of zero bytes (unlike SGI), */ +/* so we have to put in this defense to guard against a memory */ +/* fault four lines down. from fossum@austin.ibm.com. */ + p = 0; + r = size - 1; + for (piv = 0, i = p; i <= r; ++piv, ++i) { + // indirect pointers: keep an index into the keys array, not a direct pointer to its contents + order[i] = piv; + } + + /* Sort the indirect pointers in descending order, + * using randomized Quicksort + */ + stack[top].p = p; + stack[top].r = r; + ++top; + while (--top >= 0) { + p = stack[top].p; + r = stack[top].r; + while (r > p + 10) { + seed = Math.abs( seed * 1539415821 + 1 ); + i = p + seed % (r - p + 1); + piv = order[i]; + order[i] = order[p]; + order[p] = piv; + i = p - 1; + j = r + 1; + do { + do { + ++i; + } while (GT(leq, keys[order[i]], keys[piv])); + do { + --j; + } while (LT(leq, keys[order[j]], keys[piv])); + Swap(order, i, j); + } while (i < j); + Swap(order, i, j); /* Undo last swap */ + if (i - p < r - j) { + stack[top].p = j + 1; + stack[top].r = r; + ++top; + r = i - 1; + } else { + stack[top].p = p; + stack[top].r = i - 1; + ++top; + p = j + 1; + } + } + /* Insertion sort small lists */ + for (i = p + 1; i <= r; ++i) { + piv = order[i]; + for (j = i; j > p && LT(leq, keys[order[j - 1]], keys[piv]); --j) { + order[j] = order[j - 1]; + } + order[j] = piv; + } + } + max = size; + initialized = true; + heap.pqInit(); /* always succeeds */ + +/* #ifndef NDEBUG + p = order; + r = p + size - 1; + for (i = p; i < r; ++i) { + Assertion.doAssert(LEQ( * * (i + 1), **i )); + } + #endif*/ + + return true; + } + +/* really __gl_pqSortInsert */ +/* returns LONG_MAX iff out of memory */ + int pqInsert(Object keyNew) { + int curr; + + if (initialized) { + return heap.pqInsert(keyNew); + } + curr = size; + if (++size >= max) { + Object[] saveKey = keys; + + /* If the heap overflows, double its size. */ + max <<= 1; +// pq->keys = (PQHeapKey *)memRealloc( pq->keys,(size_t)(pq->max * sizeof( pq->keys[0] ))); + Object[] pqKeys = new Object[max]; + System.arraycopy( keys, 0, pqKeys, 0, keys.length ); + keys = pqKeys; + if (keys == null) { + keys = saveKey; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + } + assert curr != Integer.MAX_VALUE; + keys[curr] = keyNew; + + /* Negative handles index the sorted array. */ + return -(curr + 1); + } + +/* really __gl_pqSortExtractMin */ + Object pqExtractMin() { + Object sortMin, heapMin; + + if (size == 0) { + return heap.pqExtractMin(); + } + sortMin = keys[order[size - 1]]; + if (!heap.pqIsEmpty()) { + heapMin = heap.pqMinimum(); + if (LEQ(leq, heapMin, sortMin)) { + return heap.pqExtractMin(); + } + } + do { + --size; + } while (size > 0 && keys[order[size - 1]] == null); + return sortMin; + } + +/* really __gl_pqSortMinimum */ + Object pqMinimum() { + Object sortMin, heapMin; + + if (size == 0) { + return heap.pqMinimum(); + } + sortMin = keys[order[size - 1]]; + if (!heap.pqIsEmpty()) { + heapMin = heap.pqMinimum(); + if (com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, heapMin, sortMin)) { + return heapMin; + } + } + return sortMin; + } + +/* really __gl_pqSortIsEmpty */ + boolean pqIsEmpty() { + return (size == 0) && heap.pqIsEmpty(); + } + +/* really __gl_pqSortDelete */ + void pqDelete(int curr) { + if (curr >= 0) { + heap.pqDelete(curr); + return; + } + curr = -(curr + 1); + assert curr < max && keys[curr] != null; + + keys[curr] = null; + while (size > 0 && keys[order[size - 1]] == null) { + --size; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java new file mode 100644 index 000000000..9761200e0 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java @@ -0,0 +1,557 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Render { + private static final boolean USE_OPTIMIZED_CODE_PATH = false; + + private Render() { + } + + private static final RenderFan renderFan = new RenderFan(); + private static final RenderStrip renderStrip = new RenderStrip(); + private static final RenderTriangle renderTriangle = new RenderTriangle(); + +/* This structure remembers the information we need about a primitive + * to be able to render it later, once we have determined which + * primitive is able to use the most triangles. + */ + private static class FaceCount { + public FaceCount() { + } + + public FaceCount(long size, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart, renderCallBack render) { + this.size = size; + this.eStart = eStart; + this.render = render; + } + + long size; /* number of triangles used */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart; /* edge where this primitive starts */ + renderCallBack render; + }; + + private static interface renderCallBack { + void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size); + } + + /************************ Strips and Fans decomposition ******************/ + +/* __gl_renderMesh( tess, mesh ) takes a mesh and breaks it into triangle + * fans, strips, and separate triangles. A substantial effort is made + * to use as few rendering primitives as possible (ie. to make the fans + * and strips as large as possible). + * + * The rendering output is provided as callbacks (see the api). + */ + public static void __gl_renderMesh(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + + /* Make a list of separate triangles so we can render them all at once */ + tess.lonelyTriList = null; + + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + f.marked = false; + } + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + + /* We examine all faces in an arbitrary order. Whenever we find + * an unprocessed face F, we output a group of faces including F + * whose size is maximum. + */ + if (f.inside && !f.marked) { + RenderMaximumFaceGroup(tess, f); + assert (f.marked); + } + } + if (tess.lonelyTriList != null) { + RenderLonelyTriangles(tess, tess.lonelyTriList); + tess.lonelyTriList = null; + } + } + + + static void RenderMaximumFaceGroup(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUface fOrig) { + /* We want to find the largest triangle fan or strip of unmarked faces + * which includes the given face fOrig. There are 3 possible fans + * passing through fOrig (one centered at each vertex), and 3 possible + * strips (one for each CCW permutation of the vertices). Our strategy + * is to try all of these, and take the primitive which uses the most + * triangles (a greedy approach). + */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e = fOrig.anEdge; + FaceCount max = new FaceCount(); + FaceCount newFace = new FaceCount(); + + max.size = 1; + max.eStart = e; + max.render = renderTriangle; + + if (!tess.flagBoundary) { + newFace = MaximumFan(e); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumFan(e.Lnext); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumFan(e.Onext.Sym); + if (newFace.size > max.size) { + max = newFace; + } + + newFace = MaximumStrip(e); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumStrip(e.Lnext); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumStrip(e.Onext.Sym); + if (newFace.size > max.size) { + max = newFace; + } + } + max.render.render(tess, max.eStart, max.size); + } + + +/* Macros which keep track of faces we have marked temporarily, and allow + * us to backtrack when necessary. With triangle fans, this is not + * really necessary, since the only awkward case is a loop of triangles + * around a single origin vertex. However with strips the situation is + * more complicated, and we need a general tracking method like the + * one here. + */ + private static boolean Marked(com.jogamp.opengl.impl.glu.tessellator.GLUface f) { + return !f.inside || f.marked; + } + + private static GLUface AddToTrail(com.jogamp.opengl.impl.glu.tessellator.GLUface f, com.jogamp.opengl.impl.glu.tessellator.GLUface t) { + f.trail = t; + f.marked = true; + return f; + } + + private static void FreeTrail(com.jogamp.opengl.impl.glu.tessellator.GLUface t) { + if (true) { + while (t != null) { + t.marked = false; + t = t.trail; + } + } else { + /* absorb trailing semicolon */ + } + } + + static FaceCount MaximumFan(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { + /* eOrig.Lface is the face we want to render. We want to find the size + * of a maximal fan around eOrig.Org. To do this we just walk around + * the origin vertex as far as possible in both directions. + */ + FaceCount newFace = new FaceCount(0, null, renderFan); + com.jogamp.opengl.impl.glu.tessellator.GLUface trail = null; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + for (e = eOrig; !Marked(e.Lface); e = e.Onext) { + trail = AddToTrail(e.Lface, trail); + ++newFace.size; + } + for (e = eOrig; !Marked(e.Sym.Lface); e = e.Sym.Lnext) { + trail = AddToTrail(e.Sym.Lface, trail); + ++newFace.size; + } + newFace.eStart = e; + /*LINTED*/ + FreeTrail(trail); + return newFace; + } + + + private static boolean IsEven(long n) { + return (n & 0x1L) == 0; + } + + static FaceCount MaximumStrip(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { + /* Here we are looking for a maximal strip that contains the vertices + * eOrig.Org, eOrig.Dst, eOrig.Lnext.Dst (in that order or the + * reverse, such that all triangles are oriented CCW). + * + * Again we walk forward and backward as far as possible. However for + * strips there is a twist: to get CCW orientations, there must be + * an *even* number of triangles in the strip on one side of eOrig. + * We walk the strip starting on a side with an even number of triangles; + * if both side have an odd number, we are forced to shorten one side. + */ + FaceCount newFace = new FaceCount(0, null, renderStrip); + long headSize = 0, tailSize = 0; + com.jogamp.opengl.impl.glu.tessellator.GLUface trail = null; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eTail, eHead; + + for (e = eOrig; !Marked(e.Lface); ++tailSize, e = e.Onext) { + trail = AddToTrail(e.Lface, trail); + ++tailSize; + e = e.Lnext.Sym; + if (Marked(e.Lface)) break; + trail = AddToTrail(e.Lface, trail); + } + eTail = e; + + for (e = eOrig; !Marked(e.Sym.Lface); ++headSize, e = e.Sym.Onext.Sym) { + trail = AddToTrail(e.Sym.Lface, trail); + ++headSize; + e = e.Sym.Lnext; + if (Marked(e.Sym.Lface)) break; + trail = AddToTrail(e.Sym.Lface, trail); + } + eHead = e; + + newFace.size = tailSize + headSize; + if (IsEven(tailSize)) { + newFace.eStart = eTail.Sym; + } else if (IsEven(headSize)) { + newFace.eStart = eHead; + } else { + /* Both sides have odd length, we must shorten one of them. In fact, + * we must start from eHead to guarantee inclusion of eOrig.Lface. + */ + --newFace.size; + newFace.eStart = eHead.Onext; + } + /*LINTED*/ + FreeTrail(trail); + return newFace; + } + + private static class RenderTriangle implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Just add the triangle to a triangle list, so we can render all + * the separate triangles at once. + */ + assert (size == 1); + tess.lonelyTriList = AddToTrail(e.Lface, tess.lonelyTriList); + } + } + + + static void RenderLonelyTriangles(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUface f) { + /* Now we render all the separate triangles which could not be + * grouped into a triangle fan or strip. + */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + int newState; + int edgeState = -1; /* force edge state output for first vertex */ + + tess.callBeginOrBeginData(GL.GL_TRIANGLES); + + for (; f != null; f = f.trail) { + /* Loop once for each edge (there will always be 3 edges) */ + + e = f.anEdge; + do { + if (tess.flagBoundary) { + /* Set the "edge state" to true just before we output the + * first vertex of each edge on the polygon boundary. + */ + newState = (!e.Sym.Lface.inside) ? 1 : 0; + if (edgeState != newState) { + edgeState = newState; + tess.callEdgeFlagOrEdgeFlagData( edgeState != 0); + } + } + tess.callVertexOrVertexData( e.Org.data); + + e = e.Lnext; + } while (e != f.anEdge); + } + tess.callEndOrEndData(); + } + + private static class RenderFan implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Render as many CCW triangles as possible in a fan starting from + * edge "e". The fan *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + tess.callBeginOrBeginData( GL.GL_TRIANGLE_FAN); + tess.callVertexOrVertexData( e.Org.data); + tess.callVertexOrVertexData( e.Sym.Org.data); + + while (!Marked(e.Lface)) { + e.Lface.marked = true; + --size; + e = e.Onext; + tess.callVertexOrVertexData( e.Sym.Org.data); + } + + assert (size == 0); + tess.callEndOrEndData(); + } + } + + private static class RenderStrip implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Render as many CCW triangles as possible in a strip starting from + * edge "e". The strip *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + tess.callBeginOrBeginData( GL.GL_TRIANGLE_STRIP); + tess.callVertexOrVertexData( e.Org.data); + tess.callVertexOrVertexData( e.Sym.Org.data); + + while (!Marked(e.Lface)) { + e.Lface.marked = true; + --size; + e = e.Lnext.Sym; + tess.callVertexOrVertexData( e.Org.data); + if (Marked(e.Lface)) break; + + e.Lface.marked = true; + --size; + e = e.Onext; + tess.callVertexOrVertexData( e.Sym.Org.data); + } + + assert (size == 0); + tess.callEndOrEndData(); + } + } + + /************************ Boundary contour decomposition ******************/ + +/* __gl_renderBoundary( tess, mesh ) takes a mesh, and outputs one + * contour for each face marked "inside". The rendering output is + * provided as callbacks (see the api). + */ + public static void __gl_renderBoundary(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + if (f.inside) { + tess.callBeginOrBeginData( GL.GL_LINE_LOOP); + e = f.anEdge; + do { + tess.callVertexOrVertexData( e.Org.data); + e = e.Lnext; + } while (e != f.anEdge); + tess.callEndOrEndData(); + } + } + } + + + /************************ Quick-and-dirty decomposition ******************/ + + private static final int SIGN_INCONSISTENT = 2; + + static int ComputeNormal(GLUtessellatorImpl tess, double[] norm, boolean check) +/* + * If check==false, we compute the polygon normal and place it in norm[]. + * If check==true, we check that each triangle in the fan from v0 has a + * consistent orientation with respect to norm[]. If triangles are + * consistently oriented CCW, return 1; if CW, return -1; if all triangles + * are degenerate return 0; otherwise (no consistent orientation) return + * SIGN_INCONSISTENT. + */ { + com.jogamp.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; +// CachedVertex vn = v0 + tess.cacheCount; + int vn = tess.cacheCount; +// CachedVertex vc; + int vc; + double dot, xc, yc, zc, xp, yp, zp; + double[] n = new double[3]; + int sign = 0; + + /* Find the polygon normal. It is important to get a reasonable + * normal even when the polygon is self-intersecting (eg. a bowtie). + * Otherwise, the computed normal could be very tiny, but perpendicular + * to the true plane of the polygon due to numerical noise. Then all + * the triangles would appear to be degenerate and we would incorrectly + * decompose the polygon as a fan (or simply not render it at all). + * + * We use a sum-of-triangles normal algorithm rather than the more + * efficient sum-of-trapezoids method (used in CheckOrientation() + * in normal.c). This lets us explicitly reverse the signed area + * of some triangles to get a reasonable normal in the self-intersecting + * case. + */ + if (!check) { + norm[0] = norm[1] = norm[2] = 0.0; + } + + vc = 1; + xc = v[vc].coords[0] - v[0].coords[0]; + yc = v[vc].coords[1] - v[0].coords[1]; + zc = v[vc].coords[2] - v[0].coords[2]; + while (++vc < vn) { + xp = xc; + yp = yc; + zp = zc; + xc = v[vc].coords[0] - v[0].coords[0]; + yc = v[vc].coords[1] - v[0].coords[1]; + zc = v[vc].coords[2] - v[0].coords[2]; + + /* Compute (vp - v0) cross (vc - v0) */ + n[0] = yp * zc - zp * yc; + n[1] = zp * xc - xp * zc; + n[2] = xp * yc - yp * xc; + + dot = n[0] * norm[0] + n[1] * norm[1] + n[2] * norm[2]; + if (!check) { + /* Reverse the contribution of back-facing triangles to get + * a reasonable normal for self-intersecting polygons (see above) + */ + if (dot >= 0) { + norm[0] += n[0]; + norm[1] += n[1]; + norm[2] += n[2]; + } else { + norm[0] -= n[0]; + norm[1] -= n[1]; + norm[2] -= n[2]; + } + } else if (dot != 0) { + /* Check the new orientation for consistency with previous triangles */ + if (dot > 0) { + if (sign < 0) return SIGN_INCONSISTENT; + sign = 1; + } else { + if (sign > 0) return SIGN_INCONSISTENT; + sign = -1; + } + } + } + return sign; + } + +/* __gl_renderCache( tess ) takes a single contour and tries to render it + * as a triangle fan. This handles convex polygons, as well as some + * non-convex polygons if we get lucky. + * + * Returns true if the polygon was successfully rendered. The rendering + * output is provided as callbacks (see the api). + */ + public static boolean __gl_renderCache(GLUtessellatorImpl tess) { + com.jogamp.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; +// CachedVertex vn = v0 + tess.cacheCount; + int vn = tess.cacheCount; +// CachedVertex vc; + int vc; + double[] norm = new double[3]; + int sign; + + if (tess.cacheCount < 3) { + /* Degenerate contour -- no output */ + return true; + } + + norm[0] = tess.normal[0]; + norm[1] = tess.normal[1]; + norm[2] = tess.normal[2]; + if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { + ComputeNormal( tess, norm, false); + } + + sign = ComputeNormal( tess, norm, true); + if (sign == SIGN_INCONSISTENT) { + /* Fan triangles did not have a consistent orientation */ + return false; + } + if (sign == 0) { + /* All triangles were degenerate */ + return true; + } + + if ( !USE_OPTIMIZED_CODE_PATH ) { + return false; + } else { + /* Make sure we do the right thing for each winding rule */ + switch (tess.windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + case GLU.GLU_TESS_WINDING_NONZERO: + break; + case GLU.GLU_TESS_WINDING_POSITIVE: + if (sign < 0) return true; + break; + case GLU.GLU_TESS_WINDING_NEGATIVE: + if (sign > 0) return true; + break; + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + return true; + } + + tess.callBeginOrBeginData( tess.boundaryOnly ? GL.GL_LINE_LOOP + : (tess.cacheCount > 3) ? GL.GL_TRIANGLE_FAN + : GL.GL_TRIANGLES); + + tess.callVertexOrVertexData( v[0].data); + if (sign > 0) { + for (vc = 1; vc < vn; ++vc) { + tess.callVertexOrVertexData( v[vc].data); + } + } else { + for (vc = vn - 1; vc > 0; --vc) { + tess.callVertexOrVertexData( v[vc].data); + } + } + tess.callEndOrEndData(); + return true; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java new file mode 100644 index 000000000..8ffeadb67 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java @@ -0,0 +1,1353 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Sweep { + private Sweep() { + } + +// #ifdef FOR_TRITE_TEST_PROGRAM +// extern void DebugEvent( GLUtessellator *tess ); +// #else + private static void DebugEvent(GLUtessellatorImpl tess) { + + } +// #endif + +/* + * Invariants for the Edge Dictionary. + * - each pair of adjacent edges e2=Succ(e1) satisfies EdgeLeq(e1,e2) + * at any valid location of the sweep event + * - if EdgeLeq(e2,e1) as well (at any valid sweep event), then e1 and e2 + * share a common endpoint + * - for each e, e.Dst has been processed, but not e.Org + * - each edge e satisfies VertLeq(e.Dst,event) && VertLeq(event,e.Org) + * where "event" is the current sweep line event. + * - no edge e has zero length + * + * Invariants for the Mesh (the processed portion). + * - the portion of the mesh left of the sweep line is a planar graph, + * ie. there is *some* way to embed it in the plane + * - no processed edge has zero length + * - no two processed vertices have identical coordinates + * - each "inside" region is monotone, ie. can be broken into two chains + * of monotonically increasing vertices according to VertLeq(v1,v2) + * - a non-invariant: these chains may intersect (very slightly) + * + * Invariants for the Sweep. + * - if none of the edges incident to the event vertex have an activeRegion + * (ie. none of these edges are in the edge dictionary), then the vertex + * has only right-going edges. + * - if an edge is marked "fixUpperEdge" (it is a temporary edge introduced + * by ConnectRightVertex), then it is the only right-going edge from + * its associated vertex. (This says that these edges exist only + * when it is necessary.) + */ + +/* When we merge two edges into one, we need to compute the combined + * winding of the new edge. + */ + private static void AddWinding(GLUhalfEdge eDst, GLUhalfEdge eSrc) { + eDst.winding += eSrc.winding; + eDst.Sym.winding += eSrc.Sym.winding; + } + + + private static ActiveRegion RegionBelow(ActiveRegion r) { + return ((ActiveRegion) Dict.dictKey(Dict.dictPred(r.nodeUp))); + } + + private static ActiveRegion RegionAbove(ActiveRegion r) { + return ((ActiveRegion) Dict.dictKey(Dict.dictSucc(r.nodeUp))); + } + + static boolean EdgeLeq(GLUtessellatorImpl tess, ActiveRegion reg1, ActiveRegion reg2) +/* + * Both edges must be directed from right to left (this is the canonical + * direction for the upper edge of each region). + * + * The strategy is to evaluate a "t" value for each edge at the + * current sweep line position, given by tess.event. The calculations + * are designed to be very stable, but of course they are not perfect. + * + * Special case: if both edge destinations are at the sweep event, + * we sort the edges by slope (they would otherwise compare equally). + */ { + GLUvertex event = tess.event; + GLUhalfEdge e1, e2; + double t1, t2; + + e1 = reg1.eUp; + e2 = reg2.eUp; + + if (e1.Sym.Org == event) { + if (e2.Sym.Org == event) { + /* Two edges right of the sweep line which meet at the sweep event. + * Sort them by slope. + */ + if (Geom.VertLeq(e1.Org, e2.Org)) { + return Geom.EdgeSign(e2.Sym.Org, e1.Org, e2.Org) <= 0; + } + return Geom.EdgeSign(e1.Sym.Org, e2.Org, e1.Org) >= 0; + } + return Geom.EdgeSign(e2.Sym.Org, event, e2.Org) <= 0; + } + if (e2.Sym.Org == event) { + return Geom.EdgeSign(e1.Sym.Org, event, e1.Org) >= 0; + } + + /* General case - compute signed distance *from* e1, e2 to event */ + t1 = Geom.EdgeEval(e1.Sym.Org, event, e1.Org); + t2 = Geom.EdgeEval(e2.Sym.Org, event, e2.Org); + return (t1 >= t2); + } + + + static void DeleteRegion(GLUtessellatorImpl tess, ActiveRegion reg) { + if (reg.fixUpperEdge) { + /* It was created with zero winding number, so it better be + * deleted with zero winding number (ie. it better not get merged + * with a real edge). + */ + assert (reg.eUp.winding == 0); + } + reg.eUp.activeRegion = null; + Dict.dictDelete(tess.dict, reg.nodeUp); /* __gl_dictListDelete */ + } + + + static boolean FixUpperEdge(ActiveRegion reg, GLUhalfEdge newEdge) +/* + * Replace an upper edge which needs fixing (see ConnectRightVertex). + */ { + assert (reg.fixUpperEdge); + if (!Mesh.__gl_meshDelete(reg.eUp)) return false; + reg.fixUpperEdge = false; + reg.eUp = newEdge; + newEdge.activeRegion = reg; + + return true; + } + + static ActiveRegion TopLeftRegion(ActiveRegion reg) { + GLUvertex org = reg.eUp.Org; + GLUhalfEdge e; + + /* Find the region above the uppermost edge with the same origin */ + do { + reg = RegionAbove(reg); + } while (reg.eUp.Org == org); + + /* If the edge above was a temporary edge introduced by ConnectRightVertex, + * now is the time to fix it. + */ + if (reg.fixUpperEdge) { + e = Mesh.__gl_meshConnect(RegionBelow(reg).eUp.Sym, reg.eUp.Lnext); + if (e == null) return null; + if (!FixUpperEdge(reg, e)) return null; + reg = RegionAbove(reg); + } + return reg; + } + + static ActiveRegion TopRightRegion(ActiveRegion reg) { + GLUvertex dst = reg.eUp.Sym.Org; + + /* Find the region above the uppermost edge with the same destination */ + do { + reg = RegionAbove(reg); + } while (reg.eUp.Sym.Org == dst); + return reg; + } + + static ActiveRegion AddRegionBelow(GLUtessellatorImpl tess, + ActiveRegion regAbove, + GLUhalfEdge eNewUp) +/* + * Add a new active region to the sweep line, *somewhere* below "regAbove" + * (according to where the new edge belongs in the sweep-line dictionary). + * The upper edge of the new region will be "eNewUp". + * Winding number and "inside" flag are not updated. + */ { + ActiveRegion regNew = new ActiveRegion(); + if (regNew == null) throw new RuntimeException(); + + regNew.eUp = eNewUp; + /* __gl_dictListInsertBefore */ + regNew.nodeUp = Dict.dictInsertBefore(tess.dict, regAbove.nodeUp, regNew); + if (regNew.nodeUp == null) throw new RuntimeException(); + regNew.fixUpperEdge = false; + regNew.sentinel = false; + regNew.dirty = false; + + eNewUp.activeRegion = regNew; + return regNew; + } + + static boolean IsWindingInside(GLUtessellatorImpl tess, int n) { + switch (tess.windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + return (n & 1) != 0; + case GLU.GLU_TESS_WINDING_NONZERO: + return (n != 0); + case GLU.GLU_TESS_WINDING_POSITIVE: + return (n > 0); + case GLU.GLU_TESS_WINDING_NEGATIVE: + return (n < 0); + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + return (n >= 2) || (n <= -2); + } + /*LINTED*/ +// assert (false); + throw new InternalError(); + /*NOTREACHED*/ + } + + + static void ComputeWinding(GLUtessellatorImpl tess, ActiveRegion reg) { + reg.windingNumber = RegionAbove(reg).windingNumber + reg.eUp.winding; + reg.inside = IsWindingInside(tess, reg.windingNumber); + } + + + static void FinishRegion(GLUtessellatorImpl tess, ActiveRegion reg) +/* + * Delete a region from the sweep line. This happens when the upper + * and lower chains of a region meet (at a vertex on the sweep line). + * The "inside" flag is copied to the appropriate mesh face (we could + * not do this before -- since the structure of the mesh is always + * changing, this face may not have even existed until now). + */ { + GLUhalfEdge e = reg.eUp; + GLUface f = e.Lface; + + f.inside = reg.inside; + f.anEdge = e; /* optimization for __gl_meshTessellateMonoRegion() */ + DeleteRegion(tess, reg); + } + + + static GLUhalfEdge FinishLeftRegions(GLUtessellatorImpl tess, + ActiveRegion regFirst, ActiveRegion regLast) +/* + * We are given a vertex with one or more left-going edges. All affected + * edges should be in the edge dictionary. Starting at regFirst.eUp, + * we walk down deleting all regions where both edges have the same + * origin vOrg. At the same time we copy the "inside" flag from the + * active region to the face, since at this point each face will belong + * to at most one region (this was not necessarily true until this point + * in the sweep). The walk stops at the region above regLast; if regLast + * is null we walk as far as possible. At the same time we relink the + * mesh if necessary, so that the ordering of edges around vOrg is the + * same as in the dictionary. + */ { + ActiveRegion reg, regPrev; + GLUhalfEdge e, ePrev; + + regPrev = regFirst; + ePrev = regFirst.eUp; + while (regPrev != regLast) { + regPrev.fixUpperEdge = false; /* placement was OK */ + reg = RegionBelow(regPrev); + e = reg.eUp; + if (e.Org != ePrev.Org) { + if (!reg.fixUpperEdge) { + /* Remove the last left-going edge. Even though there are no further + * edges in the dictionary with this origin, there may be further + * such edges in the mesh (if we are adding left edges to a vertex + * that has already been processed). Thus it is important to call + * FinishRegion rather than just DeleteRegion. + */ + FinishRegion(tess, regPrev); + break; + } + /* If the edge below was a temporary edge introduced by + * ConnectRightVertex, now is the time to fix it. + */ + e = Mesh.__gl_meshConnect(ePrev.Onext.Sym, e.Sym); + if (e == null) throw new RuntimeException(); + if (!FixUpperEdge(reg, e)) throw new RuntimeException(); + } + + /* Relink edges so that ePrev.Onext == e */ + if (ePrev.Onext != e) { + if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(ePrev, e)) throw new RuntimeException(); + } + FinishRegion(tess, regPrev); /* may change reg.eUp */ + ePrev = reg.eUp; + regPrev = reg; + } + return ePrev; + } + + + static void AddRightEdges(GLUtessellatorImpl tess, ActiveRegion regUp, + GLUhalfEdge eFirst, GLUhalfEdge eLast, GLUhalfEdge eTopLeft, + boolean cleanUp) +/* + * Purpose: insert right-going edges into the edge dictionary, and update + * winding numbers and mesh connectivity appropriately. All right-going + * edges share a common origin vOrg. Edges are inserted CCW starting at + * eFirst; the last edge inserted is eLast.Sym.Lnext. If vOrg has any + * left-going edges already processed, then eTopLeft must be the edge + * such that an imaginary upward vertical segment from vOrg would be + * contained between eTopLeft.Sym.Lnext and eTopLeft; otherwise eTopLeft + * should be null. + */ { + ActiveRegion reg, regPrev; + GLUhalfEdge e, ePrev; + boolean firstTime = true; + + /* Insert the new right-going edges in the dictionary */ + e = eFirst; + do { + assert (Geom.VertLeq(e.Org, e.Sym.Org)); + AddRegionBelow(tess, regUp, e.Sym); + e = e.Onext; + } while (e != eLast); + + /* Walk *all* right-going edges from e.Org, in the dictionary order, + * updating the winding numbers of each region, and re-linking the mesh + * edges to match the dictionary ordering (if necessary). + */ + if (eTopLeft == null) { + eTopLeft = RegionBelow(regUp).eUp.Sym.Onext; + } + regPrev = regUp; + ePrev = eTopLeft; + for (; ;) { + reg = RegionBelow(regPrev); + e = reg.eUp.Sym; + if (e.Org != ePrev.Org) break; + + if (e.Onext != ePrev) { + /* Unlink e from its current position, and relink below ePrev */ + if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(ePrev.Sym.Lnext, e)) throw new RuntimeException(); + } + /* Compute the winding number and "inside" flag for the new regions */ + reg.windingNumber = regPrev.windingNumber - e.winding; + reg.inside = IsWindingInside(tess, reg.windingNumber); + + /* Check for two outgoing edges with same slope -- process these + * before any intersection tests (see example in __gl_computeInterior). + */ + regPrev.dirty = true; + if (!firstTime && CheckForRightSplice(tess, regPrev)) { + AddWinding(e, ePrev); + DeleteRegion(tess, regPrev); + if (!Mesh.__gl_meshDelete(ePrev)) throw new RuntimeException(); + } + firstTime = false; + regPrev = reg; + ePrev = e; + } + regPrev.dirty = true; + assert (regPrev.windingNumber - e.winding == reg.windingNumber); + + if (cleanUp) { + /* Check for intersections between newly adjacent edges. */ + WalkDirtyRegions(tess, regPrev); + } + } + + + static void CallCombine(GLUtessellatorImpl tess, GLUvertex isect, + Object[] data, float[] weights, boolean needed) { + double[] coords = new double[3]; + + /* Copy coord data in case the callback changes it. */ + coords[0] = isect.coords[0]; + coords[1] = isect.coords[1]; + coords[2] = isect.coords[2]; + + Object[] outData = new Object[1]; + tess.callCombineOrCombineData(coords, data, weights, outData); + isect.data = outData[0]; + if (isect.data == null) { + if (!needed) { + isect.data = data[0]; + } else if (!tess.fatalError) { + /* The only way fatal error is when two edges are found to intersect, + * but the user has not provided the callback necessary to handle + * generated intersection points. + */ + tess.callErrorOrErrorData(GLU.GLU_TESS_NEED_COMBINE_CALLBACK); + tess.fatalError = true; + } + } + } + + static void SpliceMergeVertices(GLUtessellatorImpl tess, GLUhalfEdge e1, + GLUhalfEdge e2) +/* + * Two vertices with idential coordinates are combined into one. + * e1.Org is kept, while e2.Org is discarded. + */ { + Object[] data = new Object[4]; + float[] weights = new float[]{0.5f, 0.5f, 0.0f, 0.0f}; + + data[0] = e1.Org.data; + data[1] = e2.Org.data; + CallCombine(tess, e1.Org, data, weights, false); + if (!Mesh.__gl_meshSplice(e1, e2)) throw new RuntimeException(); + } + + static void VertexWeights(GLUvertex isect, GLUvertex org, GLUvertex dst, + float[] weights) +/* + * Find some weights which describe how the intersection vertex is + * a linear combination of "org" and "dest". Each of the two edges + * which generated "isect" is allocated 50% of the weight; each edge + * splits the weight between its org and dst according to the + * relative distance to "isect". + */ { + double t1 = Geom.VertL1dist(org, isect); + double t2 = Geom.VertL1dist(dst, isect); + + weights[0] = (float) (0.5 * t2 / (t1 + t2)); + weights[1] = (float) (0.5 * t1 / (t1 + t2)); + isect.coords[0] += weights[0] * org.coords[0] + weights[1] * dst.coords[0]; + isect.coords[1] += weights[0] * org.coords[1] + weights[1] * dst.coords[1]; + isect.coords[2] += weights[0] * org.coords[2] + weights[1] * dst.coords[2]; + } + + + static void GetIntersectData(GLUtessellatorImpl tess, GLUvertex isect, + GLUvertex orgUp, GLUvertex dstUp, + GLUvertex orgLo, GLUvertex dstLo) +/* + * We've computed a new intersection point, now we need a "data" pointer + * from the user so that we can refer to this new vertex in the + * rendering callbacks. + */ { + Object[] data = new Object[4]; + float[] weights = new float[4]; + float[] weights1 = new float[2]; + float[] weights2 = new float[2]; + + data[0] = orgUp.data; + data[1] = dstUp.data; + data[2] = orgLo.data; + data[3] = dstLo.data; + + isect.coords[0] = isect.coords[1] = isect.coords[2] = 0; + VertexWeights(isect, orgUp, dstUp, weights1); + VertexWeights(isect, orgLo, dstLo, weights2); + System.arraycopy(weights1, 0, weights, 0, 2); + System.arraycopy(weights2, 0, weights, 2, 2); + + CallCombine(tess, isect, data, weights, true); + } + + static boolean CheckForRightSplice(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp.Org is above eLo, or eLo.Org is below eUp (depending on which + * origin is leftmost). + * + * The main purpose is to splice right-going edges with the same + * dest vertex and nearly identical slopes (ie. we can't distinguish + * the slopes numerically). However the splicing can also help us + * to recover from numerical errors. For example, suppose at one + * point we checked eUp and eLo, and decided that eUp.Org is barely + * above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * our test so that now eUp.Org is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants. + * + * One possibility is to check these edges for intersection again + * (ie. CheckForIntersect). This is what we do if possible. However + * CheckForIntersect requires that tess.event lies between eUp and eLo, + * so that it has something to fall back on when the intersection + * calculation gives us an unusable answer. So, for those cases where + * we can't check for intersection, this routine fixes the problem + * by just splicing the offending vertex into the other edge. + * This is a guaranteed solution, no matter how degenerate things get. + * Basically this is a combinatorial solution to a numerical problem. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + + if (Geom.VertLeq(eUp.Org, eLo.Org)) { + if (Geom.EdgeSign(eLo.Sym.Org, eUp.Org, eLo.Org) > 0) return false; + + /* eUp.Org appears to be below eLo */ + if (!Geom.VertEq(eUp.Org, eLo.Org)) { + /* Splice eUp.Org into eLo */ + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp, eLo.Sym.Lnext)) throw new RuntimeException(); + regUp.dirty = regLo.dirty = true; + + } else if (eUp.Org != eLo.Org) { + /* merge the two vertices, discarding eUp.Org */ + tess.pq.pqDelete(eUp.Org.pqHandle); /* __gl_pqSortDelete */ + SpliceMergeVertices(tess, eLo.Sym.Lnext, eUp); + } + } else { + if (Geom.EdgeSign(eUp.Sym.Org, eLo.Org, eUp.Org) < 0) return false; + + /* eLo.Org appears to be above eUp, so splice eLo.Org into eUp */ + RegionAbove(regUp).dirty = regUp.dirty = true; + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); + } + return true; + } + + static boolean CheckForLeftSplice(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp.Sym.Org is above eLo, or eLo.Sym.Org is below eUp (depending on which + * destination is rightmost). + * + * Theoretically, this should always be true. However, splitting an edge + * into two pieces can change the results of previous tests. For example, + * suppose at one point we checked eUp and eLo, and decided that eUp.Sym.Org + * is barely above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * the test so that now eUp.Sym.Org is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants + * (otherwise new edges might get inserted in the wrong place in the + * dictionary, and bad stuff will happen). + * + * We fix the problem by just splicing the offending vertex into the + * other edge. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + GLUhalfEdge e; + + assert (!Geom.VertEq(eUp.Sym.Org, eLo.Sym.Org)); + + if (Geom.VertLeq(eUp.Sym.Org, eLo.Sym.Org)) { + if (Geom.EdgeSign(eUp.Sym.Org, eLo.Sym.Org, eUp.Org) < 0) return false; + + /* eLo.Sym.Org is above eUp, so splice eLo.Sym.Org into eUp */ + RegionAbove(regUp).dirty = regUp.dirty = true; + e = Mesh.__gl_meshSplitEdge(eUp); + if (e == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym, e)) throw new RuntimeException(); + e.Lface.inside = regUp.inside; + } else { + if (Geom.EdgeSign(eLo.Sym.Org, eUp.Sym.Org, eLo.Org) > 0) return false; + + /* eUp.Sym.Org is below eLo, so splice eUp.Sym.Org into eLo */ + regUp.dirty = regLo.dirty = true; + e = Mesh.__gl_meshSplitEdge(eLo); + if (e == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym)) throw new RuntimeException(); + e.Sym.Lface.inside = regUp.inside; + } + return true; + } + + + static boolean CheckForIntersect(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edges of the given region to see if + * they intersect. If so, create the intersection and add it + * to the data structures. + * + * Returns true if adding the new intersection resulted in a recursive + * call to AddRightEdges(); in this case all "dirty" regions have been + * checked for intersections, and possibly regUp has been deleted. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + GLUvertex orgUp = eUp.Org; + GLUvertex orgLo = eLo.Org; + GLUvertex dstUp = eUp.Sym.Org; + GLUvertex dstLo = eLo.Sym.Org; + double tMinUp, tMaxLo; + GLUvertex isect = new GLUvertex(); + GLUvertex orgMin; + GLUhalfEdge e; + + assert (!Geom.VertEq(dstLo, dstUp)); + assert (Geom.EdgeSign(dstUp, tess.event, orgUp) <= 0); + assert (Geom.EdgeSign(dstLo, tess.event, orgLo) >= 0); + assert (orgUp != tess.event && orgLo != tess.event); + assert (!regUp.fixUpperEdge && !regLo.fixUpperEdge); + + if (orgUp == orgLo) return false; /* right endpoints are the same */ + + tMinUp = Math.min(orgUp.t, dstUp.t); + tMaxLo = Math.max(orgLo.t, dstLo.t); + if (tMinUp > tMaxLo) return false; /* t ranges do not overlap */ + + if (Geom.VertLeq(orgUp, orgLo)) { + if (Geom.EdgeSign(dstLo, orgUp, orgLo) > 0) return false; + } else { + if (Geom.EdgeSign(dstUp, orgLo, orgUp) < 0) return false; + } + + /* At this point the edges intersect, at least marginally */ + DebugEvent(tess); + + Geom.EdgeIntersect(dstUp, orgUp, dstLo, orgLo, isect); + /* The following properties are guaranteed: */ + assert (Math.min(orgUp.t, dstUp.t) <= isect.t); + assert (isect.t <= Math.max(orgLo.t, dstLo.t)); + assert (Math.min(dstLo.s, dstUp.s) <= isect.s); + assert (isect.s <= Math.max(orgLo.s, orgUp.s)); + + if (Geom.VertLeq(isect, tess.event)) { + /* The intersection point lies slightly to the left of the sweep line, + * so move it until it''s slightly to the right of the sweep line. + * (If we had perfect numerical precision, this would never happen + * in the first place). The easiest and safest thing to do is + * replace the intersection by tess.event. + */ + isect.s = tess.event.s; + isect.t = tess.event.t; + } + /* Similarly, if the computed intersection lies to the right of the + * rightmost origin (which should rarely happen), it can cause + * unbelievable inefficiency on sufficiently degenerate inputs. + * (If you have the test program, try running test54.d with the + * "X zoom" option turned on). + */ + orgMin = Geom.VertLeq(orgUp, orgLo) ? orgUp : orgLo; + if (Geom.VertLeq(orgMin, isect)) { + isect.s = orgMin.s; + isect.t = orgMin.t; + } + + if (Geom.VertEq(isect, orgUp) || Geom.VertEq(isect, orgLo)) { + /* Easy case -- intersection at one of the right endpoints */ + CheckForRightSplice(tess, regUp); + return false; + } + + if ((!Geom.VertEq(dstUp, tess.event) + && Geom.EdgeSign(dstUp, tess.event, isect) >= 0) + || (!Geom.VertEq(dstLo, tess.event) + && Geom.EdgeSign(dstLo, tess.event, isect) <= 0)) { + /* Very unusual -- the new upper or lower edge would pass on the + * wrong side of the sweep event, or through it. This can happen + * due to very small numerical errors in the intersection calculation. + */ + if (dstLo == tess.event) { + /* Splice dstLo into eUp, and process the new region(s) */ + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym, eUp)) throw new RuntimeException(); + regUp = TopLeftRegion(regUp); + if (regUp == null) throw new RuntimeException(); + eUp = RegionBelow(regUp).eUp; + FinishLeftRegions(tess, RegionBelow(regUp), regLo); + AddRightEdges(tess, regUp, eUp.Sym.Lnext, eUp, eUp, true); + return true; + } + if (dstUp == tess.event) { + /* Splice dstUp into eLo, and process the new region(s) */ + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym.Lnext)) throw new RuntimeException(); + regLo = regUp; + regUp = TopRightRegion(regUp); + e = RegionBelow(regUp).eUp.Sym.Onext; + regLo.eUp = eLo.Sym.Lnext; + eLo = FinishLeftRegions(tess, regLo, null); + AddRightEdges(tess, regUp, eLo.Onext, eUp.Sym.Onext, e, true); + return true; + } + /* Special case: called from ConnectRightVertex. If either + * edge passes on the wrong side of tess.event, split it + * (and wait for ConnectRightVertex to splice it appropriately). + */ + if (Geom.EdgeSign(dstUp, tess.event, isect) >= 0) { + RegionAbove(regUp).dirty = regUp.dirty = true; + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + eUp.Org.s = tess.event.s; + eUp.Org.t = tess.event.t; + } + if (Geom.EdgeSign(dstLo, tess.event, isect) <= 0) { + regUp.dirty = regLo.dirty = true; + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + eLo.Org.s = tess.event.s; + eLo.Org.t = tess.event.t; + } + /* leave the rest for ConnectRightVertex */ + return false; + } + + /* General case -- split both edges, splice into new vertex. + * When we do the splice operation, the order of the arguments is + * arbitrary as far as correctness goes. However, when the operation + * creates a new face, the work done is proportional to the size of + * the new face. We expect the faces in the processed part of + * the mesh (ie. eUp.Lface) to be smaller than the faces in the + * unprocessed original contours (which will be eLo.Sym.Lnext.Lface). + */ + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); + eUp.Org.s = isect.s; + eUp.Org.t = isect.t; + eUp.Org.pqHandle = tess.pq.pqInsert(eUp.Org); /* __gl_pqSortInsert */ + if (eUp.Org.pqHandle == Long.MAX_VALUE) { + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + tess.pq = null; + throw new RuntimeException(); + } + GetIntersectData(tess, eUp.Org, orgUp, dstUp, orgLo, dstLo); + RegionAbove(regUp).dirty = regUp.dirty = regLo.dirty = true; + return false; + } + + static void WalkDirtyRegions(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * When the upper or lower edge of any region changes, the region is + * marked "dirty". This routine walks through all the dirty regions + * and makes sure that the dictionary invariants are satisfied + * (see the comments at the beginning of this file). Of course + * new dirty regions can be created as we make changes to restore + * the invariants. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp, eLo; + + for (; ;) { + /* Find the lowest dirty region (we walk from the bottom up). */ + while (regLo.dirty) { + regUp = regLo; + regLo = RegionBelow(regLo); + } + if (!regUp.dirty) { + regLo = regUp; + regUp = RegionAbove(regUp); + if (regUp == null || !regUp.dirty) { + /* We've walked all the dirty regions */ + return; + } + } + regUp.dirty = false; + eUp = regUp.eUp; + eLo = regLo.eUp; + + if (eUp.Sym.Org != eLo.Sym.Org) { + /* Check that the edge ordering is obeyed at the Dst vertices. */ + if (CheckForLeftSplice(tess, regUp)) { + + /* If the upper or lower edge was marked fixUpperEdge, then + * we no longer need it (since these edges are needed only for + * vertices which otherwise have no right-going edges). + */ + if (regLo.fixUpperEdge) { + DeleteRegion(tess, regLo); + if (!Mesh.__gl_meshDelete(eLo)) throw new RuntimeException(); + regLo = RegionBelow(regUp); + eLo = regLo.eUp; + } else if (regUp.fixUpperEdge) { + DeleteRegion(tess, regUp); + if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); + regUp = RegionAbove(regLo); + eUp = regUp.eUp; + } + } + } + if (eUp.Org != eLo.Org) { + if (eUp.Sym.Org != eLo.Sym.Org + && !regUp.fixUpperEdge && !regLo.fixUpperEdge + && (eUp.Sym.Org == tess.event || eLo.Sym.Org == tess.event)) { + /* When all else fails in CheckForIntersect(), it uses tess.event + * as the intersection location. To make this possible, it requires + * that tess.event lie between the upper and lower edges, and also + * that neither of these is marked fixUpperEdge (since in the worst + * case it might splice one of these edges into tess.event, and + * violate the invariant that fixable edges are the only right-going + * edge from their associated vertex). + */ + if (CheckForIntersect(tess, regUp)) { + /* WalkDirtyRegions() was called recursively; we're done */ + return; + } + } else { + /* Even though we can't use CheckForIntersect(), the Org vertices + * may violate the dictionary edge ordering. Check and correct this. + */ + CheckForRightSplice(tess, regUp); + } + } + if (eUp.Org == eLo.Org && eUp.Sym.Org == eLo.Sym.Org) { + /* A degenerate loop consisting of only two edges -- delete it. */ + AddWinding(eLo, eUp); + DeleteRegion(tess, regUp); + if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); + regUp = RegionAbove(regLo); + } + } + } + + + static void ConnectRightVertex(GLUtessellatorImpl tess, ActiveRegion regUp, + GLUhalfEdge eBottomLeft) +/* + * Purpose: connect a "right" vertex vEvent (one where all edges go left) + * to the unprocessed portion of the mesh. Since there are no right-going + * edges, two regions (one above vEvent and one below) are being merged + * into one. "regUp" is the upper of these two regions. + * + * There are two reasons for doing this (adding a right-going edge): + * - if the two regions being merged are "inside", we must add an edge + * to keep them separated (the combined region would not be monotone). + * - in any case, we must leave some record of vEvent in the dictionary, + * so that we can merge vEvent with features that we have not seen yet. + * For example, maybe there is a vertical edge which passes just to + * the right of vEvent; we would like to splice vEvent into this edge. + * + * However, we don't want to connect vEvent to just any vertex. We don''t + * want the new edge to cross any other edges; otherwise we will create + * intersection vertices even when the input data had no self-intersections. + * (This is a bad thing; if the user's input data has no intersections, + * we don't want to generate any false intersections ourselves.) + * + * Our eventual goal is to connect vEvent to the leftmost unprocessed + * vertex of the combined region (the union of regUp and regLo). + * But because of unseen vertices with all right-going edges, and also + * new vertices which may be created by edge intersections, we don''t + * know where that leftmost unprocessed vertex is. In the meantime, we + * connect vEvent to the closest vertex of either chain, and mark the region + * as "fixUpperEdge". This flag says to delete and reconnect this edge + * to the next processed vertex on the boundary of the combined region. + * Quite possibly the vertex we connected to will turn out to be the + * closest one, in which case we won''t need to make any changes. + */ { + GLUhalfEdge eNew; + GLUhalfEdge eTopLeft = eBottomLeft.Onext; + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + boolean degenerate = false; + + if (eUp.Sym.Org != eLo.Sym.Org) { + CheckForIntersect(tess, regUp); + } + + /* Possible new degeneracies: upper or lower edge of regUp may pass + * through vEvent, or may coincide with new intersection vertex + */ + if (Geom.VertEq(eUp.Org, tess.event)) { + if (!Mesh.__gl_meshSplice(eTopLeft.Sym.Lnext, eUp)) throw new RuntimeException(); + regUp = TopLeftRegion(regUp); + if (regUp == null) throw new RuntimeException(); + eTopLeft = RegionBelow(regUp).eUp; + FinishLeftRegions(tess, RegionBelow(regUp), regLo); + degenerate = true; + } + if (Geom.VertEq(eLo.Org, tess.event)) { + if (!Mesh.__gl_meshSplice(eBottomLeft, eLo.Sym.Lnext)) throw new RuntimeException(); + eBottomLeft = FinishLeftRegions(tess, regLo, null); + degenerate = true; + } + if (degenerate) { + AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); + return; + } + + /* Non-degenerate situation -- need to add a temporary, fixable edge. + * Connect to the closer of eLo.Org, eUp.Org. + */ + if (Geom.VertLeq(eLo.Org, eUp.Org)) { + eNew = eLo.Sym.Lnext; + } else { + eNew = eUp; + } + eNew = Mesh.__gl_meshConnect(eBottomLeft.Onext.Sym, eNew); + if (eNew == null) throw new RuntimeException(); + + /* Prevent cleanup, otherwise eNew might disappear before we've even + * had a chance to mark it as a temporary edge. + */ + AddRightEdges(tess, regUp, eNew, eNew.Onext, eNew.Onext, false); + eNew.Sym.activeRegion.fixUpperEdge = true; + WalkDirtyRegions(tess, regUp); + } + +/* Because vertices at exactly the same location are merged together + * before we process the sweep event, some degenerate cases can't occur. + * However if someone eventually makes the modifications required to + * merge features which are close together, the cases below marked + * TOLERANCE_NONZERO will be useful. They were debugged before the + * code to merge identical vertices in the main loop was added. + */ + private static final boolean TOLERANCE_NONZERO = false; + + static void ConnectLeftDegenerate(GLUtessellatorImpl tess, + ActiveRegion regUp, GLUvertex vEvent) +/* + * The event vertex lies exacty on an already-processed edge or vertex. + * Adding the new vertex involves splicing it into the already-processed + * part of the mesh. + */ { + GLUhalfEdge e, eTopLeft, eTopRight, eLast; + ActiveRegion reg; + + e = regUp.eUp; + if (Geom.VertEq(e.Org, vEvent)) { + /* e.Org is an unprocessed vertex - just combine them, and wait + * for e.Org to be pulled from the queue + */ + assert (TOLERANCE_NONZERO); + SpliceMergeVertices(tess, e, vEvent.anEdge); + return; + } + + if (!Geom.VertEq(e.Sym.Org, vEvent)) { + /* General case -- splice vEvent into edge e which passes through it */ + if (Mesh.__gl_meshSplitEdge(e.Sym) == null) throw new RuntimeException(); + if (regUp.fixUpperEdge) { + /* This edge was fixable -- delete unused portion of original edge */ + if (!Mesh.__gl_meshDelete(e.Onext)) throw new RuntimeException(); + regUp.fixUpperEdge = false; + } + if (!Mesh.__gl_meshSplice(vEvent.anEdge, e)) throw new RuntimeException(); + SweepEvent(tess, vEvent); /* recurse */ + return; + } + + /* vEvent coincides with e.Sym.Org, which has already been processed. + * Splice in the additional right-going edges. + */ + assert (TOLERANCE_NONZERO); + regUp = TopRightRegion(regUp); + reg = RegionBelow(regUp); + eTopRight = reg.eUp.Sym; + eTopLeft = eLast = eTopRight.Onext; + if (reg.fixUpperEdge) { + /* Here e.Sym.Org has only a single fixable edge going right. + * We can delete it since now we have some real right-going edges. + */ + assert (eTopLeft != eTopRight); /* there are some left edges too */ + DeleteRegion(tess, reg); + if (!Mesh.__gl_meshDelete(eTopRight)) throw new RuntimeException(); + eTopRight = eTopLeft.Sym.Lnext; + } + if (!Mesh.__gl_meshSplice(vEvent.anEdge, eTopRight)) throw new RuntimeException(); + if (!Geom.EdgeGoesLeft(eTopLeft)) { + /* e.Sym.Org had no left-going edges -- indicate this to AddRightEdges() */ + eTopLeft = null; + } + AddRightEdges(tess, regUp, eTopRight.Onext, eLast, eTopLeft, true); + } + + + static void ConnectLeftVertex(GLUtessellatorImpl tess, GLUvertex vEvent) +/* + * Purpose: connect a "left" vertex (one where both edges go right) + * to the processed portion of the mesh. Let R be the active region + * containing vEvent, and let U and L be the upper and lower edge + * chains of R. There are two possibilities: + * + * - the normal case: split R into two regions, by connecting vEvent to + * the rightmost vertex of U or L lying to the left of the sweep line + * + * - the degenerate case: if vEvent is close enough to U or L, we + * merge vEvent into that edge chain. The subcases are: + * - merging with the rightmost vertex of U or L + * - merging with the active edge of U or L + * - merging with an already-processed portion of U or L + */ { + ActiveRegion regUp, regLo, reg; + GLUhalfEdge eUp, eLo, eNew; + ActiveRegion tmp = new ActiveRegion(); + + /* assert ( vEvent.anEdge.Onext.Onext == vEvent.anEdge ); */ + + /* Get a pointer to the active region containing vEvent */ + tmp.eUp = vEvent.anEdge.Sym; + /* __GL_DICTLISTKEY */ /* __gl_dictListSearch */ + regUp = (ActiveRegion) Dict.dictKey(Dict.dictSearch(tess.dict, tmp)); + regLo = RegionBelow(regUp); + eUp = regUp.eUp; + eLo = regLo.eUp; + + /* Try merging with U or L first */ + if (Geom.EdgeSign(eUp.Sym.Org, vEvent, eUp.Org) == 0) { + ConnectLeftDegenerate(tess, regUp, vEvent); + return; + } + + /* Connect vEvent to rightmost processed vertex of either chain. + * e.Sym.Org is the vertex that we will connect to vEvent. + */ + reg = Geom.VertLeq(eLo.Sym.Org, eUp.Sym.Org) ? regUp : regLo; + + if (regUp.inside || reg.fixUpperEdge) { + if (reg == regUp) { + eNew = Mesh.__gl_meshConnect(vEvent.anEdge.Sym, eUp.Lnext); + if (eNew == null) throw new RuntimeException(); + } else { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(eLo.Sym.Onext.Sym, vEvent.anEdge); + if (tempHalfEdge == null) throw new RuntimeException(); + + eNew = tempHalfEdge.Sym; + } + if (reg.fixUpperEdge) { + if (!FixUpperEdge(reg, eNew)) throw new RuntimeException(); + } else { + ComputeWinding(tess, AddRegionBelow(tess, regUp, eNew)); + } + SweepEvent(tess, vEvent); + } else { + /* The new vertex is in a region which does not belong to the polygon. + * We don''t need to connect this vertex to the rest of the mesh. + */ + AddRightEdges(tess, regUp, vEvent.anEdge, vEvent.anEdge, null, true); + } + } + + + static void SweepEvent(GLUtessellatorImpl tess, GLUvertex vEvent) +/* + * Does everything necessary when the sweep line crosses a vertex. + * Updates the mesh and the edge dictionary. + */ { + ActiveRegion regUp, reg; + GLUhalfEdge e, eTopLeft, eBottomLeft; + + tess.event = vEvent; /* for access in EdgeLeq() */ + DebugEvent(tess); + + /* Check if this vertex is the right endpoint of an edge that is + * already in the dictionary. In this case we don't need to waste + * time searching for the location to insert new edges. + */ + e = vEvent.anEdge; + while (e.activeRegion == null) { + e = e.Onext; + if (e == vEvent.anEdge) { + /* All edges go right -- not incident to any processed edges */ + ConnectLeftVertex(tess, vEvent); + return; + } + } + + /* Processing consists of two phases: first we "finish" all the + * active regions where both the upper and lower edges terminate + * at vEvent (ie. vEvent is closing off these regions). + * We mark these faces "inside" or "outside" the polygon according + * to their winding number, and delete the edges from the dictionary. + * This takes care of all the left-going edges from vEvent. + */ + regUp = TopLeftRegion(e.activeRegion); + if (regUp == null) throw new RuntimeException(); + reg = RegionBelow(regUp); + eTopLeft = reg.eUp; + eBottomLeft = FinishLeftRegions(tess, reg, null); + + /* Next we process all the right-going edges from vEvent. This + * involves adding the edges to the dictionary, and creating the + * associated "active regions" which record information about the + * regions between adjacent dictionary edges. + */ + if (eBottomLeft.Onext == eTopLeft) { + /* No right-going edges -- add a temporary "fixable" edge */ + ConnectRightVertex(tess, regUp, eBottomLeft); + } else { + AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); + } + } + + +/* Make the sentinel coordinates big enough that they will never be + * merged with real input features. (Even with the largest possible + * input contour and the maximum tolerance of 1.0, no merging will be + * done with coordinates larger than 3 * GLU_TESS_MAX_COORD). + */ + private static final double SENTINEL_COORD = (4.0 * GLU.GLU_TESS_MAX_COORD); + + static void AddSentinel(GLUtessellatorImpl tess, double t) +/* + * We add two sentinel edges above and below all other edges, + * to avoid special cases at the top and bottom. + */ { + GLUhalfEdge e; + ActiveRegion reg = new ActiveRegion(); + if (reg == null) throw new RuntimeException(); + + e = Mesh.__gl_meshMakeEdge(tess.mesh); + if (e == null) throw new RuntimeException(); + + e.Org.s = SENTINEL_COORD; + e.Org.t = t; + e.Sym.Org.s = -SENTINEL_COORD; + e.Sym.Org.t = t; + tess.event = e.Sym.Org; /* initialize it */ + + reg.eUp = e; + reg.windingNumber = 0; + reg.inside = false; + reg.fixUpperEdge = false; + reg.sentinel = true; + reg.dirty = false; + reg.nodeUp = Dict.dictInsert(tess.dict, reg); /* __gl_dictListInsertBefore */ + if (reg.nodeUp == null) throw new RuntimeException(); + } + + + static void InitEdgeDict(final GLUtessellatorImpl tess) +/* + * We maintain an ordering of edge intersections with the sweep line. + * This order is maintained in a dynamic dictionary. + */ { + /* __gl_dictListNewDict */ + tess.dict = Dict.dictNewDict(tess, new Dict.DictLeq() { + public boolean leq(Object frame, Object key1, Object key2) { + return EdgeLeq(tess, (ActiveRegion) key1, (ActiveRegion) key2); + } + }); + if (tess.dict == null) throw new RuntimeException(); + + AddSentinel(tess, -SENTINEL_COORD); + AddSentinel(tess, SENTINEL_COORD); + } + + + static void DoneEdgeDict(GLUtessellatorImpl tess) { + ActiveRegion reg; + int fixedEdges = 0; + + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + while ((reg = (ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))) != null) { + /* + * At the end of all processing, the dictionary should contain + * only the two sentinel edges, plus at most one "fixable" edge + * created by ConnectRightVertex(). + */ + if (!reg.sentinel) { + assert (reg.fixUpperEdge); + assert (++fixedEdges == 1); + } + assert (reg.windingNumber == 0); + DeleteRegion(tess, reg); +/* __gl_meshDelete( reg.eUp );*/ + } + Dict.dictDeleteDict(tess.dict); /* __gl_dictListDeleteDict */ + } + + + static void RemoveDegenerateEdges(GLUtessellatorImpl tess) +/* + * Remove zero-length edges, and contours with fewer than 3 vertices. + */ { + GLUhalfEdge e, eNext, eLnext; + GLUhalfEdge eHead = tess.mesh.eHead; + + /*LINTED*/ + for (e = eHead.next; e != eHead; e = eNext) { + eNext = e.next; + eLnext = e.Lnext; + + if (Geom.VertEq(e.Org, e.Sym.Org) && e.Lnext.Lnext != e) { + /* Zero-length edge, contour has at least 3 edges */ + + SpliceMergeVertices(tess, eLnext, e); /* deletes e.Org */ + if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); /* e is a self-loop */ + e = eLnext; + eLnext = e.Lnext; + } + if (eLnext.Lnext == e) { + /* Degenerate contour (one or two edges) */ + + if (eLnext != e) { + if (eLnext == eNext || eLnext == eNext.Sym) { + eNext = eNext.next; + } + if (!Mesh.__gl_meshDelete(eLnext)) throw new RuntimeException(); + } + if (e == eNext || e == eNext.Sym) { + eNext = eNext.next; + } + if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); + } + } + } + + static boolean InitPriorityQ(GLUtessellatorImpl tess) +/* + * Insert all vertices into the priority queue which determines the + * order in which vertices cross the sweep line. + */ { + PriorityQ pq; + GLUvertex v, vHead; + + /* __gl_pqSortNewPriorityQ */ + pq = tess.pq = PriorityQ.pqNewPriorityQ(new PriorityQ.Leq() { + public boolean leq(Object key1, Object key2) { + return Geom.VertLeq(((GLUvertex) key1), (GLUvertex) key2); + } + }); + if (pq == null) return false; + + vHead = tess.mesh.vHead; + for (v = vHead.next; v != vHead; v = v.next) { + v.pqHandle = pq.pqInsert(v); /* __gl_pqSortInsert */ + if (v.pqHandle == Long.MAX_VALUE) break; + } + if (v != vHead || !pq.pqInit()) { /* __gl_pqSortInit */ + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + tess.pq = null; + return false; + } + + return true; + } + + + static void DonePriorityQ(GLUtessellatorImpl tess) { + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + } + + + static boolean RemoveDegenerateFaces(GLUmesh mesh) +/* + * Delete any degenerate faces with only two edges. WalkDirtyRegions() + * will catch almost all of these, but it won't catch degenerate faces + * produced by splice operations on already-processed edges. + * The two places this can happen are in FinishLeftRegions(), when + * we splice in a "temporary" edge produced by ConnectRightVertex(), + * and in CheckForLeftSplice(), where we splice already-processed + * edges to ensure that our dictionary invariants are not violated + * by numerical errors. + * + * In both these cases it is *very* dangerous to delete the offending + * edge at the time, since one of the routines further up the stack + * will sometimes be keeping a pointer to that edge. + */ { + GLUface f, fNext; + GLUhalfEdge e; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { + fNext = f.next; + e = f.anEdge; + assert (e.Lnext != e); + + if (e.Lnext.Lnext == e) { + /* A face with only two edges */ + AddWinding(e.Onext, e); + if (!Mesh.__gl_meshDelete(e)) return false; + } + } + return true; + } + + public static boolean __gl_computeInterior(GLUtessellatorImpl tess) +/* + * __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by tess.windingRule. + * Each interior region is guaranteed be monotone. + */ { + GLUvertex v, vNext; + + tess.fatalError = false; + + /* Each vertex defines an event for our sweep line. Start by inserting + * all the vertices in a priority queue. Events are processed in + * lexicographic order, ie. + * + * e1 < e2 iff e1.x < e2.x || (e1.x == e2.x && e1.y < e2.y) + */ + RemoveDegenerateEdges(tess); + if (!InitPriorityQ(tess)) return false; /* if error */ + InitEdgeDict(tess); + + /* __gl_pqSortExtractMin */ + while ((v = (GLUvertex) tess.pq.pqExtractMin()) != null) { + for (; ;) { + vNext = (GLUvertex) tess.pq.pqMinimum(); /* __gl_pqSortMinimum */ + if (vNext == null || !Geom.VertEq(vNext, v)) break; + + /* Merge together all vertices at exactly the same location. + * This is more efficient than processing them one at a time, + * simplifies the code (see ConnectLeftDegenerate), and is also + * important for correct handling of certain degenerate cases. + * For example, suppose there are two identical edges A and B + * that belong to different contours (so without this code they would + * be processed by separate sweep events). Suppose another edge C + * crosses A and B from above. When A is processed, we split it + * at its intersection point with C. However this also splits C, + * so when we insert B we may compute a slightly different + * intersection point. This might leave two edges with a small + * gap between them. This kind of error is especially obvious + * when using boundary extraction (GLU_TESS_BOUNDARY_ONLY). + */ + vNext = (GLUvertex) tess.pq.pqExtractMin(); /* __gl_pqSortExtractMin*/ + SpliceMergeVertices(tess, v.anEdge, vNext.anEdge); + } + SweepEvent(tess, v); + } + + /* Set tess.event for debugging purposes */ + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + tess.event = ((ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))).eUp.Org; + DebugEvent(tess); + DoneEdgeDict(tess); + DonePriorityQ(tess); + + if (!RemoveDegenerateFaces(tess.mesh)) return false; + Mesh.__gl_meshCheckMesh(tess.mesh); + + return true; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java new file mode 100644 index 000000000..ef89b1613 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java @@ -0,0 +1,241 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class TessMono { +/* __gl_meshTessellateMonoRegion( face ) tessellates a monotone region + * (what else would it do??) The region must consist of a single + * loop of half-edges (see mesh.h) oriented CCW. "Monotone" in this + * case means that any vertical line intersects the interior of the + * region in a single interval. + * + * Tessellation consists of adding interior edges (actually pairs of + * half-edges), to split the region into non-overlapping triangles. + * + * The basic idea is explained in Preparata and Shamos (which I don''t + * have handy right now), although their implementation is more + * complicated than this one. The are two edge chains, an upper chain + * and a lower chain. We process all vertices from both chains in order, + * from right to left. + * + * The algorithm ensures that the following invariant holds after each + * vertex is processed: the untessellated region consists of two + * chains, where one chain (say the upper) is a single edge, and + * the other chain is concave. The left vertex of the single edge + * is always to the left of all vertices in the concave chain. + * + * Each step consists of adding the rightmost unprocessed vertex to one + * of the two chains, and forming a fan of triangles from the rightmost + * of two chain endpoints. Determining whether we can add each triangle + * to the fan is a simple orientation test. By making the fan as large + * as possible, we restore the invariant (check it yourself). + */ + static boolean __gl_meshTessellateMonoRegion(GLUface face, boolean avoidDegenerateTris) { + GLUhalfEdge up, lo; + + /* All edges are oriented CCW around the boundary of the region. + * First, find the half-edge whose origin vertex is rightmost. + * Since the sweep goes from left to right, face->anEdge should + * be close to the edge we want. + */ + up = face.anEdge; + assert (up.Lnext != up && up.Lnext.Lnext != up); + + for (; Geom.VertLeq(up.Sym.Org, up.Org); up = up.Onext.Sym) + ; + for (; Geom.VertLeq(up.Org, up.Sym.Org); up = up.Lnext) + ; + lo = up.Onext.Sym; + + boolean mustConnect = false; // hack for avoidDegenerateTris + + while (up.Lnext != lo) { + if (avoidDegenerateTris && !mustConnect) { + // Skip over regions where several vertices are collinear, + // to try to avoid producing degenerate (zero-area) triangles + // + // The "mustConnect" flag is a hack to try to avoid + // skipping too large regions and causing incorrect + // triangulations. This entire modification is overall + // not robust and needs more work + if (Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON) { + // Lines around lo + do { + lo = lo.Onext.Sym; + mustConnect = true; + } while (up.Lnext != lo && + Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON); + } else if (Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON) { + // Lines around up + do { + up = up.Lnext; + mustConnect = true; + } while (up.Lnext != lo && + Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON); + } + + if (up.Lnext == lo) + break; + } + + if (Geom.VertLeq(up.Sym.Org, lo.Org)) { + /* up.Sym.Org is on the left. It is safe to form triangles from lo.Org. + * The EdgeGoesLeft test guarantees progress even when some triangles + * are CW, given that the upper and lower chains are truly monotone. + */ + while (lo.Lnext != up && (Geom.EdgeGoesLeft(lo.Lnext) + || Geom.EdgeSign(lo.Org, lo.Sym.Org, lo.Lnext.Sym.Org) <= 0)) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); + mustConnect = false; + if (tempHalfEdge == null) return false; + lo = tempHalfEdge.Sym; + } + lo = lo.Onext.Sym; + } else { + /* lo.Org is on the left. We can make CCW triangles from up.Sym.Org. */ + while (lo.Lnext != up && (Geom.EdgeGoesRight(up.Onext.Sym) + || Geom.EdgeSign(up.Sym.Org, up.Org, up.Onext.Sym.Org) >= 0)) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(up, up.Onext.Sym); + mustConnect = false; + if (tempHalfEdge == null) return false; + up = tempHalfEdge.Sym; + } + up = up.Lnext; + } + } + + /* Now lo.Org == up.Sym.Org == the leftmost vertex. The remaining region + * can be tessellated in a fan from this leftmost vertex. + */ + assert (lo.Lnext != up); + while (lo.Lnext.Lnext != up) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); + if (tempHalfEdge == null) return false; + lo = tempHalfEdge.Sym; + } + + return true; + } + + +/* __gl_meshTessellateInterior( mesh ) tessellates each region of + * the mesh which is marked "inside" the polygon. Each such region + * must be monotone. + */ + public static boolean __gl_meshTessellateInterior(GLUmesh mesh, boolean avoidDegenerateTris) { + GLUface f, next; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = next) { + /* Make sure we don''t try to tessellate the new triangles. */ + next = f.next; + if (f.inside) { + if (!__gl_meshTessellateMonoRegion(f, avoidDegenerateTris)) return false; + } + } + + return true; + } + + +/* __gl_meshDiscardExterior( mesh ) zaps (ie. sets to NULL) all faces + * which are not marked "inside" the polygon. Since further mesh operations + * on NULL faces are not allowed, the main purpose is to clean up the + * mesh so that exterior loops are not represented in the data structure. + */ + public static void __gl_meshDiscardExterior(GLUmesh mesh) { + GLUface f, next; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = next) { + /* Since f will be destroyed, save its next pointer. */ + next = f.next; + if (!f.inside) { + Mesh.__gl_meshZapFace(f); + } + } + } + + private static final int MARKED_FOR_DELETION = 0x7fffffff; + +/* __gl_meshSetWindingNumber( mesh, value, keepOnlyBoundary ) resets the + * winding numbers on all edges so that regions marked "inside" the + * polygon have a winding number of "value", and regions outside + * have a winding number of 0. + * + * If keepOnlyBoundary is TRUE, it also deletes all edges which do not + * separate an interior region from an exterior one. + */ + public static boolean __gl_meshSetWindingNumber(GLUmesh mesh, int value, boolean keepOnlyBoundary) { + GLUhalfEdge e, eNext; + + for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { + eNext = e.next; + if (e.Sym.Lface.inside != e.Lface.inside) { + + /* This is a boundary edge (one side is interior, one is exterior). */ + e.winding = (e.Lface.inside) ? value : -value; + } else { + + /* Both regions are interior, or both are exterior. */ + if (!keepOnlyBoundary) { + e.winding = 0; + } else { + if (!Mesh.__gl_meshDelete(e)) return false; + } + } + } + return true; + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java new file mode 100644 index 000000000..a8aa41d9f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java @@ -0,0 +1,59 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class TessState { + public static final int T_DORMANT = 0; + public static final int T_IN_POLYGON = 1; + public static final int T_IN_CONTOUR = 2; +} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/GLUquadricImpl.java b/src/jogl/classes/com/sun/opengl/impl/glu/GLUquadricImpl.java deleted file mode 100644 index cc0784199..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/GLUquadricImpl.java +++ /dev/null @@ -1,1212 +0,0 @@ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** $Date: 2009-03-04 17:23:34 -0800 (Wed, 04 Mar 2009) $ $Revision: 1856 $ -** $Header$ -*/ - -/* - * Copyright (c) 2002-2004 LWJGL Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * * Neither the name of 'LWJGL' nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - */ - -package com.sun.opengl.impl.glu; - -import javax.media.opengl.*; -import javax.media.opengl.glu.*; -import com.sun.opengl.util.ImmModeSink; -import java.nio.*; - -/** - * GLUquadricImpl.java - * - * - * Created 22-dec-2003 (originally Quadric.java) - * @author Erik Duijs - * @author Kenneth Russell, Sven Gothel - */ - -public class GLUquadricImpl implements GLUquadric { - private boolean useGLSL; - private int drawStyle; - private int orientation; - private boolean textureFlag; - private int normals; - private boolean immModeSinkEnabled; - private boolean immModeSinkImmediate; - public int normalType; - public GL gl; - - public static final boolean USE_NORM = true; - public static final boolean USE_TEXT = false; - - private ImmModeSink immModeSink=null; - - public GLUquadricImpl(GL gl, boolean useGLSL) { - this.gl=gl; - this.useGLSL = useGLSL; - drawStyle = GLU.GLU_FILL; - orientation = GLU.GLU_OUTSIDE; - textureFlag = false; - normals = GLU.GLU_SMOOTH; - normalType = gl.isGLES1()?GL.GL_BYTE:GL.GL_FLOAT; - immModeSinkImmediate=true; - immModeSinkEnabled=!gl.isGL2(); - replaceImmModeSink(); - } - - public void enableImmModeSink(boolean val) { - if(gl.isGL2()) { - immModeSinkEnabled=val; - } else { - immModeSinkEnabled=true; - } - if(null==immModeSink && immModeSinkEnabled) { - replaceImmModeSink(); - } - } - - public boolean isImmModeSinkEnabled() { - return immModeSinkEnabled; - } - - public void setImmMode(boolean val) { - if(immModeSinkEnabled) { - immModeSinkImmediate=val; - } else { - immModeSinkImmediate=true; - } - } - - public boolean getImmMode() { - return immModeSinkImmediate; - } - - public ImmModeSink replaceImmModeSink() { - if(!immModeSinkEnabled) return null; - - ImmModeSink res = immModeSink; - if(useGLSL) { - immModeSink = ImmModeSink.createGLSL (gl, GL.GL_STATIC_DRAW, 32, - 3, GL.GL_FLOAT, // vertex - 0, GL.GL_FLOAT, // color - USE_NORM?3:0, normalType,// normal - USE_TEXT?2:0, GL.GL_FLOAT); // texture - } else { - immModeSink = ImmModeSink.createFixed(gl, GL.GL_STATIC_DRAW, 32, - 3, GL.GL_FLOAT, // vertex - 0, GL.GL_FLOAT, // color - USE_NORM?3:0, normalType,// normal - USE_TEXT?2:0, GL.GL_FLOAT); // texture - } - return res; - } - - public void resetImmModeSink(GL gl) { - if(immModeSinkEnabled) { - immModeSink.reset(gl); - } - } - - /** - * specifies the draw style for quadrics. - * - * The legal values are as follows: - * - * GLU.FILL: Quadrics are rendered with polygon primitives. The polygons - * are drawn in a counterclockwise fashion with respect to - * their normals (as defined with glu.quadricOrientation). - * - * GLU.LINE: Quadrics are rendered as a set of lines. - * - * GLU.SILHOUETTE: Quadrics are rendered as a set of lines, except that edges - * separating coplanar faces will not be drawn. - * - * GLU.POINT: Quadrics are rendered as a set of points. - * - * @param drawStyle The drawStyle to set - */ - public void setDrawStyle(int drawStyle) { - this.drawStyle = drawStyle; - } - - /** - * specifies what kind of normals are desired for quadrics. - * The legal values are as follows: - * - * GLU.NONE: No normals are generated. - * - * GLU.FLAT: One normal is generated for every facet of a quadric. - * - * GLU.SMOOTH: One normal is generated for every vertex of a quadric. This - * is the default. - * - * @param normals The normals to set - */ - public void setNormals(int normals) { - this.normals = normals; - } - - /** - * specifies what kind of orientation is desired for. - * The orientation values are as follows: - * - * GLU.OUTSIDE: Quadrics are drawn with normals pointing outward. - * - * GLU.INSIDE: Normals point inward. The default is GLU.OUTSIDE. - * - * Note that the interpretation of outward and inward depends on the quadric - * being drawn. - * - * @param orientation The orientation to set - */ - public void setOrientation(int orientation) { - this.orientation = orientation; - } - - /** - * specifies if texture coordinates should be generated for - * quadrics rendered with qobj. If the value of textureCoords is true, - * then texture coordinates are generated, and if textureCoords is false, - * they are not.. The default is false. - * - * The manner in which texture coordinates are generated depends upon the - * specific quadric rendered. - * - * @param textureFlag The textureFlag to set - */ - public void setTextureFlag(boolean textureFlag) { - this.textureFlag = textureFlag; - } - - /** - * Returns the drawStyle. - * @return int - */ - public int getDrawStyle() { - return drawStyle; - } - - /** - * Returns the normals. - * @return int - */ - public int getNormals() { - return normals; - } - - /** - * Returns the orientation. - * @return int - */ - public int getOrientation() { - return orientation; - } - - /** - * Returns the textureFlag. - * @return boolean - */ - public boolean getTextureFlag() { - return textureFlag; - } - - - /** - * draws a cylinder oriented along the z axis. The base of the - * cylinder is placed at z = 0, and the top at z=height. Like a sphere, a - * cylinder is subdivided around the z axis into slices, and along the z axis - * into stacks. - * - * Note that if topRadius is set to zero, then this routine will generate a - * cone. - * - * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then - * any generated normals point away from the z axis. Otherwise, they point - * toward the z axis. - * - * If texturing is turned on (with glu.quadricTexture), then texture - * coordinates are generated so that t ranges linearly from 0.0 at z = 0 to - * 1.0 at z = height, and s ranges from 0.0 at the +y axis, to 0.25 at the +x - * axis, to 0.5 at the -y axis, to 0.75 at the -x axis, and back to 1.0 at the - * +y axis. - * - * @param baseRadius Specifies the radius of the cylinder at z = 0. - * @param topRadius Specifies the radius of the cylinder at z = height. - * @param height Specifies the height of the cylinder. - * @param slices Specifies the number of subdivisions around the z axis. - * @param stacks Specifies the number of subdivisions along the z axis. - */ - public void drawCylinder(GL gl, float baseRadius, float topRadius, float height, int slices, int stacks) { - - float da, r, dr, dz; - float x, y, z, nz, nsign; - int i, j; - - if (orientation == GLU.GLU_INSIDE) { - nsign = -1.0f; - } else { - nsign = 1.0f; - } - - da = 2.0f * PI / slices; - dr = (topRadius - baseRadius) / stacks; - dz = height / stacks; - nz = (baseRadius - topRadius) / height; - // Z component of normal vectors - - if (drawStyle == GLU.GLU_POINT) { - glBegin(gl, GL.GL_POINTS); - for (i = 0; i < slices; i++) { - x = cos((i * da)); - y = sin((i * da)); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - - z = 0.0f; - r = baseRadius; - for (j = 0; j <= stacks; j++) { - glVertex3f(gl, (x * r), (y * r), z); - z += dz; - r += dr; - } - } - glEnd(gl); - } else if (drawStyle == GLU.GLU_LINE || drawStyle == GLU.GLU_SILHOUETTE) { - // Draw rings - if (drawStyle == GLU.GLU_LINE) { - z = 0.0f; - r = baseRadius; - for (j = 0; j <= stacks; j++) { - glBegin(gl, GL.GL_LINE_LOOP); - for (i = 0; i < slices; i++) { - x = cos((i * da)); - y = sin((i * da)); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - glVertex3f(gl, (x * r), (y * r), z); - } - glEnd(gl); - z += dz; - r += dr; - } - } else { - // draw one ring at each end - if (baseRadius != 0.0) { - glBegin(gl, GL.GL_LINE_LOOP); - for (i = 0; i < slices; i++) { - x = cos((i * da)); - y = sin((i * da)); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); - } - glEnd(gl); - glBegin(gl, GL.GL_LINE_LOOP); - for (i = 0; i < slices; i++) { - x = cos((i * da)); - y = sin((i * da)); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - glVertex3f(gl, (x * topRadius), (y * topRadius), height); - } - glEnd(gl); - } - } - // draw length lines - glBegin(gl, GL.GL_LINES); - for (i = 0; i < slices; i++) { - x = cos((i * da)); - y = sin((i * da)); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); - glVertex3f(gl, (x * topRadius), (y * topRadius), (height)); - } - glEnd(gl); - } else if (drawStyle == GLU.GLU_FILL) { - float ds = 1.0f / slices; - float dt = 1.0f / stacks; - float t = 0.0f; - z = 0.0f; - r = baseRadius; - for (j = 0; j < stacks; j++) { - float s = 0.0f; - glBegin(gl, immModeSink.GL_QUAD_STRIP); - for (i = 0; i <= slices; i++) { - if (i == slices) { - x = sin(0.0f); - y = cos(0.0f); - } else { - x = sin((i * da)); - y = cos((i * da)); - } - if (nsign == 1.0f) { - normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); - TXTR_COORD(gl, s, t); - glVertex3f(gl, (x * r), (y * r), z); - normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); - TXTR_COORD(gl, s, t + dt); - glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); - } else { - normal3f(gl, x * nsign, y * nsign, nz * nsign); - TXTR_COORD(gl, s, t); - glVertex3f(gl, (x * r), (y * r), z); - normal3f(gl, x * nsign, y * nsign, nz * nsign); - TXTR_COORD(gl, s, t + dt); - glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); - } - s += ds; - } // for slices - glEnd(gl); - r += dr; - t += dt; - z += dz; - } // for stacks - } - } - - /** - * renders a disk on the z = 0 plane. The disk has a radius of - * outerRadius, and contains a concentric circular hole with a radius of - * innerRadius. If innerRadius is 0, then no hole is generated. The disk is - * subdivided around the z axis into slices (like pizza slices), and also - * about the z axis into rings (as specified by slices and loops, - * respectively). - * - * With respect to orientation, the +z side of the disk is considered to be - * "outside" (see glu.quadricOrientation). This means that if the orientation - * is set to GLU.OUTSIDE, then any normals generated point along the +z axis. - * Otherwise, they point along the -z axis. - * - * If texturing is turned on (with glu.quadricTexture), texture coordinates are - * generated linearly such that where r=outerRadius, the value at (r, 0, 0) is - * (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), and at - * (0, -r, 0) it is (0.5, 0). - */ - public void drawDisk(GL gl, float innerRadius, float outerRadius, int slices, int loops) - { - float da, dr; - - /* Normal vectors */ - if (normals != GLU.GLU_NONE) { - if (orientation == GLU.GLU_OUTSIDE) { - glNormal3f(gl, 0.0f, 0.0f, +1.0f); - } - else { - glNormal3f(gl, 0.0f, 0.0f, -1.0f); - } - } - - da = 2.0f * PI / slices; - dr = (outerRadius - innerRadius) / loops; - - switch (drawStyle) { - case GLU.GLU_FILL: - { - /* texture of a gluDisk is a cut out of the texture unit square - * x, y in [-outerRadius, +outerRadius]; s, t in [0, 1] - * (linear mapping) - */ - float dtc = 2.0f * outerRadius; - float sa, ca; - float r1 = innerRadius; - int l; - for (l = 0; l < loops; l++) { - float r2 = r1 + dr; - if (orientation == GLU.GLU_OUTSIDE) { - int s; - glBegin(gl, immModeSink.GL_QUAD_STRIP); - for (s = 0; s <= slices; s++) { - float a; - if (s == slices) - a = 0.0f; - else - a = s * da; - sa = sin(a); - ca = cos(a); - TXTR_COORD(gl, 0.5f + sa * r2 / dtc, 0.5f + ca * r2 / dtc); - glVertex2f(gl, r2 * sa, r2 * ca); - TXTR_COORD(gl, 0.5f + sa * r1 / dtc, 0.5f + ca * r1 / dtc); - glVertex2f(gl, r1 * sa, r1 * ca); - } - glEnd(gl); - } - else { - int s; - glBegin(gl, immModeSink.GL_QUAD_STRIP); - for (s = slices; s >= 0; s--) { - float a; - if (s == slices) - a = 0.0f; - else - a = s * da; - sa = sin(a); - ca = cos(a); - TXTR_COORD(gl, 0.5f - sa * r2 / dtc, 0.5f + ca * r2 / dtc); - glVertex2f(gl, r2 * sa, r2 * ca); - TXTR_COORD(gl, 0.5f - sa * r1 / dtc, 0.5f + ca * r1 / dtc); - glVertex2f(gl, r1 * sa, r1 * ca); - } - glEnd(gl); - } - r1 = r2; - } - break; - } - case GLU.GLU_LINE: - { - int l, s; - /* draw loops */ - for (l = 0; l <= loops; l++) { - float r = innerRadius + l * dr; - glBegin(gl, GL.GL_LINE_LOOP); - for (s = 0; s < slices; s++) { - float a = s * da; - glVertex2f(gl, r * sin(a), r * cos(a)); - } - glEnd(gl); - } - /* draw spokes */ - for (s = 0; s < slices; s++) { - float a = s * da; - float x = sin(a); - float y = cos(a); - glBegin(gl, GL.GL_LINE_STRIP); - for (l = 0; l <= loops; l++) { - float r = innerRadius + l * dr; - glVertex2f(gl, r * x, r * y); - } - glEnd(gl); - } - break; - } - case GLU.GLU_POINT: - { - int s; - glBegin(gl, GL.GL_POINTS); - for (s = 0; s < slices; s++) { - float a = s * da; - float x = sin(a); - float y = cos(a); - int l; - for (l = 0; l <= loops; l++) { - float r = innerRadius * l * dr; - glVertex2f(gl, r * x, r * y); - } - } - glEnd(gl); - break; - } - case GLU.GLU_SILHOUETTE: - { - if (innerRadius != 0.0) { - float a; - glBegin(gl, GL.GL_LINE_LOOP); - for (a = 0.0f; a < 2.0 * PI; a += da) { - float x = innerRadius * sin(a); - float y = innerRadius * cos(a); - glVertex2f(gl, x, y); - } - glEnd(gl); - } - { - float a; - glBegin(gl, GL.GL_LINE_LOOP); - for (a = 0; a < 2.0f * PI; a += da) { - float x = outerRadius * sin(a); - float y = outerRadius * cos(a); - glVertex2f(gl, x, y); - } - glEnd(gl); - } - break; - } - default: - return; - } - } - - /** - * renders a partial disk on the z=0 plane. A partial disk is similar to a - * full disk, except that only the subset of the disk from startAngle - * through startAngle + sweepAngle is included (where 0 degrees is along - * the +y axis, 90 degrees along the +x axis, 180 along the -y axis, and - * 270 along the -x axis). - * - * The partial disk has a radius of outerRadius, and contains a concentric - * circular hole with a radius of innerRadius. If innerRadius is zero, then - * no hole is generated. The partial disk is subdivided around the z axis - * into slices (like pizza slices), and also about the z axis into rings - * (as specified by slices and loops, respectively). - * - * With respect to orientation, the +z side of the partial disk is - * considered to be outside (see gluQuadricOrientation). This means that if - * the orientation is set to GLU.GLU_OUTSIDE, then any normals generated point - * along the +z axis. Otherwise, they point along the -z axis. - * - * If texturing is turned on (with gluQuadricTexture), texture coordinates - * are generated linearly such that where r=outerRadius, the value at (r, 0, 0) - * is (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), - * and at (0, -r, 0) it is (0.5, 0). - */ - public void drawPartialDisk(GL gl, - float innerRadius, - float outerRadius, - int slices, - int loops, - float startAngle, - float sweepAngle) { - int i, j, max; - float[] sinCache = new float[CACHE_SIZE]; - float[] cosCache = new float[CACHE_SIZE]; - float angle; - float x, y; - float sintemp, costemp; - float deltaRadius; - float radiusLow, radiusHigh; - float texLow = 0, texHigh = 0; - float angleOffset; - int slices2; - int finish; - - if (slices >= CACHE_SIZE) - slices = CACHE_SIZE - 1; - if (slices < 2 - || loops < 1 - || outerRadius <= 0.0f - || innerRadius < 0.0f - || innerRadius > outerRadius) { - //gluQuadricError(qobj, GLU.GLU_INVALID_VALUE); - System.err.println("PartialDisk: GLU_INVALID_VALUE"); - return; - } - - if (sweepAngle < -360.0f) - sweepAngle = 360.0f; - if (sweepAngle > 360.0f) - sweepAngle = 360.0f; - if (sweepAngle < 0) { - startAngle += sweepAngle; - sweepAngle = -sweepAngle; - } - - if (sweepAngle == 360.0f) { - slices2 = slices; - } else { - slices2 = slices + 1; - } - - /* Compute length (needed for normal calculations) */ - deltaRadius = outerRadius - innerRadius; - - /* Cache is the vertex locations cache */ - - angleOffset = startAngle / 180.0f * PI; - for (i = 0; i <= slices; i++) { - angle = angleOffset + ((PI * sweepAngle) / 180.0f) * i / slices; - sinCache[i] = sin(angle); - cosCache[i] = cos(angle); - } - - if (sweepAngle == 360.0f) { - sinCache[slices] = sinCache[0]; - cosCache[slices] = cosCache[0]; - } - - switch (normals) { - case GLU.GLU_FLAT : - case GLU.GLU_SMOOTH : - if (orientation == GLU.GLU_OUTSIDE) { - glNormal3f(gl, 0.0f, 0.0f, 1.0f); - } else { - glNormal3f(gl, 0.0f, 0.0f, -1.0f); - } - break; - default : - case GLU.GLU_NONE : - break; - } - - switch (drawStyle) { - case GLU.GLU_FILL : - if (innerRadius == .0f) { - finish = loops - 1; - /* Triangle strip for inner polygons */ - glBegin(gl, GL.GL_TRIANGLE_FAN); - if (textureFlag) { - glTexCoord2f(gl, 0.5f, 0.5f); - } - glVertex3f(gl, 0.0f, 0.0f, 0.0f); - radiusLow = outerRadius - deltaRadius * ((float) (loops - 1) / loops); - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - } - - if (orientation == GLU.GLU_OUTSIDE) { - for (i = slices; i >= 0; i--) { - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - } - } else { - for (i = 0; i <= slices; i++) { - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - } - } - glEnd(gl); - } else { - finish = loops; - } - for (j = 0; j < finish; j++) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - radiusHigh = outerRadius - deltaRadius * ((float) (j + 1) / loops); - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - texHigh = radiusHigh / outerRadius / 2; - } - - glBegin(gl, immModeSink.GL_QUAD_STRIP); - for (i = 0; i <= slices; i++) { - if (orientation == GLU.GLU_OUTSIDE) { - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - - if (textureFlag) { - glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, - texHigh * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusHigh * sinCache[i], - radiusHigh * cosCache[i], - 0.0f); - } else { - if (textureFlag) { - glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, - texHigh * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusHigh * sinCache[i], - radiusHigh * cosCache[i], - 0.0f); - - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - } - } - glEnd(gl); - } - break; - case GLU.GLU_POINT : - glBegin(gl, GL.GL_POINTS); - for (i = 0; i < slices2; i++) { - sintemp = sinCache[i]; - costemp = cosCache[i]; - for (j = 0; j <= loops; j++) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); - } - } - glEnd(gl); - break; - case GLU.GLU_LINE : - if (innerRadius == outerRadius) { - glBegin(gl, GL.GL_LINE_STRIP); - - for (i = 0; i <= slices; i++) { - if (textureFlag) { - glTexCoord2f(gl, sinCache[i] / 2 + 0.5f, cosCache[i] / 2 + 0.5f); - } - glVertex3f(gl, innerRadius * sinCache[i], innerRadius * cosCache[i], 0.0f); - } - glEnd(gl); - break; - } - for (j = 0; j <= loops; j++) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - } - - glBegin(gl, GL.GL_LINE_STRIP); - for (i = 0; i <= slices; i++) { - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - } - glEnd(gl); - } - for (i = 0; i < slices2; i++) { - sintemp = sinCache[i]; - costemp = cosCache[i]; - glBegin(gl, GL.GL_LINE_STRIP); - for (j = 0; j <= loops; j++) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - } - - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); - } - glEnd(gl); - } - break; - case GLU.GLU_SILHOUETTE : - if (sweepAngle < 360.0f) { - for (i = 0; i <= slices; i += slices) { - sintemp = sinCache[i]; - costemp = cosCache[i]; - glBegin(gl, GL.GL_LINE_STRIP); - for (j = 0; j <= loops; j++) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); - } - glEnd(gl); - } - } - for (j = 0; j <= loops; j += loops) { - radiusLow = outerRadius - deltaRadius * ((float) j / loops); - if (textureFlag) { - texLow = radiusLow / outerRadius / 2; - } - - glBegin(gl, GL.GL_LINE_STRIP); - for (i = 0; i <= slices; i++) { - if (textureFlag) { - glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, - texLow * cosCache[i] + 0.5f); - } - glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); - } - glEnd(gl); - if (innerRadius == outerRadius) - break; - } - break; - default : - break; - } - } - - /** - * draws a sphere of the given radius centered around the origin. - * The sphere is subdivided around the z axis into slices and along the z axis - * into stacks (similar to lines of longitude and latitude). - * - * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then - * any normals generated point away from the center of the sphere. Otherwise, - * they point toward the center of the sphere. - - * If texturing is turned on (with glu.quadricTexture), then texture - * coordinates are generated so that t ranges from 0.0 at z=-radius to 1.0 at - * z=radius (t increases linearly along longitudinal lines), and s ranges from - * 0.0 at the +y axis, to 0.25 at the +x axis, to 0.5 at the -y axis, to 0.75 - * at the -x axis, and back to 1.0 at the +y axis. - */ - public void drawSphere(GL gl, float radius, int slices, int stacks) { - // TODO - - float rho, drho, theta, dtheta; - float x, y, z; - float s, t, ds, dt; - int i, j, imin, imax; - boolean normals; - float nsign; - - normals = (this.normals != GLU.GLU_NONE); - - if (orientation == GLU.GLU_INSIDE) { - nsign = -1.0f; - } else { - nsign = 1.0f; - } - - drho = PI / stacks; - dtheta = 2.0f * PI / slices; - - if (drawStyle == GLU.GLU_FILL) { - if (!textureFlag) { - // draw +Z end as a triangle fan - glBegin(gl, GL.GL_TRIANGLE_FAN); - glNormal3f(gl, 0.0f, 0.0f, 1.0f); - glVertex3f(gl, 0.0f, 0.0f, nsign * radius); - for (j = 0; j <= slices; j++) { - theta = (j == slices) ? 0.0f : j * dtheta; - x = -sin(theta) * sin(drho); - y = cos(theta) * sin(drho); - z = nsign * cos(drho); - if (normals) { - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - } - glVertex3f(gl, x * radius, y * radius, z * radius); - } - glEnd(gl); - } - - ds = 1.0f / slices; - dt = 1.0f / stacks; - t = 1.0f; // because loop now runs from 0 - if (textureFlag) { - imin = 0; - imax = stacks; - } else { - imin = 1; - imax = stacks - 1; - } - - // draw intermediate stacks as quad strips - for (i = imin; i < imax; i++) { - rho = i * drho; - glBegin(gl, immModeSink.GL_QUAD_STRIP); - s = 0.0f; - for (j = 0; j <= slices; j++) { - theta = (j == slices) ? 0.0f : j * dtheta; - x = -sin(theta) * sin(rho); - y = cos(theta) * sin(rho); - z = nsign * cos(rho); - if (normals) { - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - } - TXTR_COORD(gl, s, t); - glVertex3f(gl, x * radius, y * radius, z * radius); - x = -sin(theta) * sin(rho + drho); - y = cos(theta) * sin(rho + drho); - z = nsign * cos(rho + drho); - if (normals) { - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - } - TXTR_COORD(gl, s, t - dt); - s += ds; - glVertex3f(gl, x * radius, y * radius, z * radius); - } - glEnd(gl); - t -= dt; - } - - if (!textureFlag) { - // draw -Z end as a triangle fan - glBegin(gl, GL.GL_TRIANGLE_FAN); - glNormal3f(gl, 0.0f, 0.0f, -1.0f); - glVertex3f(gl, 0.0f, 0.0f, -radius * nsign); - rho = PI - drho; - s = 1.0f; - for (j = slices; j >= 0; j--) { - theta = (j == slices) ? 0.0f : j * dtheta; - x = -sin(theta) * sin(rho); - y = cos(theta) * sin(rho); - z = nsign * cos(rho); - if (normals) - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - s -= ds; - glVertex3f(gl, x * radius, y * radius, z * radius); - } - glEnd(gl); - } - } else if ( - drawStyle == GLU.GLU_LINE - || drawStyle == GLU.GLU_SILHOUETTE) { - // draw stack lines - for (i = 1; - i < stacks; - i++) { // stack line at i==stacks-1 was missing here - rho = i * drho; - glBegin(gl, GL.GL_LINE_LOOP); - for (j = 0; j < slices; j++) { - theta = j * dtheta; - x = cos(theta) * sin(rho); - y = sin(theta) * sin(rho); - z = cos(rho); - if (normals) - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - glVertex3f(gl, x * radius, y * radius, z * radius); - } - glEnd(gl); - } - // draw slice lines - for (j = 0; j < slices; j++) { - theta = j * dtheta; - glBegin(gl, GL.GL_LINE_STRIP); - for (i = 0; i <= stacks; i++) { - rho = i * drho; - x = cos(theta) * sin(rho); - y = sin(theta) * sin(rho); - z = cos(rho); - if (normals) - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - glVertex3f(gl, x * radius, y * radius, z * radius); - } - glEnd(gl); - } - } else if (drawStyle == GLU.GLU_POINT) { - // top and bottom-most points - glBegin(gl, GL.GL_POINTS); - if (normals) - glNormal3f(gl, 0.0f, 0.0f, nsign); - glVertex3f(gl, 0.0f, 0.0f, radius); - if (normals) - glNormal3f(gl, 0.0f, 0.0f, -nsign); - glVertex3f(gl, 0.0f, 0.0f, -radius); - - // loop over stacks - for (i = 1; i < stacks - 1; i++) { - rho = i * drho; - for (j = 0; j < slices; j++) { - theta = j * dtheta; - x = cos(theta) * sin(rho); - y = sin(theta) * sin(rho); - z = cos(rho); - if (normals) - glNormal3f(gl, x * nsign, y * nsign, z * nsign); - glVertex3f(gl, x * radius, y * radius, z * radius); - } - } - glEnd(gl); - } - } - - - //---------------------------------------------------------------------- - // Internals only below this point - // - - private static final float PI = (float)Math.PI; - private static final int CACHE_SIZE = 240; - - private final void glBegin(GL gl, int mode) { - if(immModeSinkEnabled) { - immModeSink.glBegin(mode); - } else { - gl.getGL2().glBegin(mode); - } - } - - private final void glEnd(GL gl) { - if(immModeSinkEnabled) { - immModeSink.glEnd(gl, immModeSinkImmediate); - } else { - gl.getGL2().glEnd(); - } - } - - private final void glVertex2f(GL gl, float x, float y) { - if(immModeSinkEnabled) { - immModeSink.glVertex2f(x, y); - } else { - gl.getGL2().glVertex2f(x, y); - } - } - - private final void glVertex3f(GL gl, float x, float y, float z) { - if(immModeSinkEnabled) { - immModeSink.glVertex3f(x, y, z); - } else { - gl.getGL2().glVertex3f(x, y, z); - } - } - - private final void glNormal3f_s(GL gl, float x, float y, float z) { - short a=(short)(x*0xFFFF); - short b=(short)(y*0xFFFF); - short c=(short)(z*0xFFFF); - if(immModeSinkEnabled) { - immModeSink.glNormal3s(a, b, c); - } else { - gl.getGL2().glNormal3s(a, b, c); - } - } - - private final void glNormal3f_b(GL gl, float x, float y, float z) { - byte a=(byte)(x*0xFF); - byte b=(byte)(y*0xFF); - byte c=(byte)(z*0xFF); - if(immModeSinkEnabled) { - immModeSink.glNormal3b(a, b, c); - } else { - gl.getGL2().glNormal3b(a, b, c); - } - } - - private final void glNormal3f(GL gl, float x, float y, float z) { - switch(normalType) { - case GL.GL_FLOAT: - if(immModeSinkEnabled) { - immModeSink.glNormal3f(x,y,z); - } else { - gl.getGL2().glNormal3f(x,y,z); - } - break; - case GL.GL_SHORT: - glNormal3f_s(gl, x, y, z); - break; - case GL.GL_BYTE: - glNormal3f_b(gl, x, y, z); - break; - } - } - - private final void glTexCoord2f(GL gl, float x, float y) { - if(immModeSinkEnabled) { - immModeSink.glTexCoord2f(x, y); - } else { - gl.getGL2().glTexCoord2f(x, y); - } - } - - /** - * Call glNormal3f after scaling normal to unit length. - * - * @param x - * @param y - * @param z - */ - private void normal3f(GL gl, float x, float y, float z) { - float mag; - - mag = (float)Math.sqrt(x * x + y * y + z * z); - if (mag > 0.00001F) { - x /= mag; - y /= mag; - z /= mag; - } - glNormal3f(gl, x, y, z); - } - - private final void TXTR_COORD(GL gl, float x, float y) { - if (textureFlag) glTexCoord2f(gl, x,y); - } - - private float sin(float r) { - return (float)Math.sin(r); - } - - private float cos(float r) { - return (float)Math.cos(r); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/Glue.java b/src/jogl/classes/com/sun/opengl/impl/glu/Glue.java deleted file mode 100755 index 4613ae555..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/Glue.java +++ /dev/null @@ -1,114 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu; - -/** - * - * @author Administrator - */ -public class Glue { - private static String[] __gluNurbsErrors = { - " ", - "spline order un-supported", - "too few knots", - "valid knot range is empty", - "decreasing knot sequence knot", - "knot multiplicity greater than order of spline", - "gluEndCurve() must follow gluBeginCurve()", - "gluBeginCurve() must precede gluEndCurve()", - "missing or extra geometric data", - "can't draw piecewise linear trimming curves", - "missing or extra domain data", - "missing or extra domain data", - "gluEndTrim() must precede gluEndSurface()", - "gluBeginSurface() must precede gluEndSurface()", - "curve of improper type passed as trim curve", - "gluBeginSurface() must precede gluBeginTrim()", - "gluEndTrim() must follow gluBeginTrim()", - "gluBeginTrim() must follow gluEndTrim()", - "invalid or missing trim curve", - "gluBeginTrim() must precede gluPwlCurve()", - "piecewise linear trimming curve referenced twice", - "piecewise linear trimming curve and nurbs curve mixed", - "improper usage of trim data type", - "nurbs curve referenced twice", - "nurbs curve and piecewise linear trimming curve mixed", - "nurbs surface referenced twice", - "invalid property", - "gluEndSurface() must follow gluBeginSurface()", - "intersecting or misoriented trim curve", - "intersecting trim curves", - "UNUSED", - "inconnected trim curves", - "unknown knot error", - "negative vertex count encountered", - "negative byte-stride encountered", - "unknown type descriptor", - "null control point reference", - "duplicate point on piecewise linear trimming curve" - } ; - - /** Creates a new instance of Glue */ - public Glue() { - } - - public static String __gluNURBSErrorString( int errno ) { - return( __gluNurbsErrors[ errno ] ); - } - - private static String[] __gluTessErrors = { - " ", - "gluTessBeginPolygon() must precede a gluTessEndPolygon", - "gluTessBeginContour() must precede a gluTessEndContour()", - "gluTessEndPolygon() must follow a gluTessBeginPolygon()", - "gluTessEndContour() must follow a gluTessBeginContour()", - "a coordinate is too large", - "need combine callback" - }; - - public static String __gluTessErrorString( int errno ) { - return( __gluTessErrors[ errno ] ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/error/Error.java b/src/jogl/classes/com/sun/opengl/impl/glu/error/Error.java deleted file mode 100644 index cdf28701c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/error/Error.java +++ /dev/null @@ -1,100 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.error; - -import javax.media.opengl.GL; -import javax.media.opengl.glu.GLU; -import com.sun.opengl.impl.glu.Glue; - -/** - * - * @author Administrator - */ -public class Error { - - private static String[] glErrorStrings = { - "invalid enumerant", - "invalid value", - "invalid operation", - "stack overflow", - "stack underflow", - "out of memory", - "invalid framebuffer operation" - }; - - private static String[] gluErrorStrings = { - "invalid enumerant", - "invalid value", - "out of memory", - "", - "invalid operation" - }; - - /** Creates a new instance of Error */ - public Error() { - } - - public static String gluErrorString( int errorCode ) { - if( errorCode == 0 ) { - return( "no error" ); - } - if( (errorCode >= GL.GL_INVALID_ENUM) && (errorCode <= GL.GL_INVALID_FRAMEBUFFER_OPERATION) ) { - return( glErrorStrings[ errorCode - GL.GL_INVALID_ENUM ] ); - } - if( errorCode == 0x8031 /* GL.GL_TABLE_TOO_LARGE */ ) { - return( "table too large" ); - } - if( (errorCode >= GLU.GLU_INVALID_ENUM) && (errorCode <= GLU.GLU_INVALID_OPERATION) ) { - return( gluErrorStrings[ errorCode - GLU.GLU_INVALID_ENUM ] ); - } -// if( (errorCode >= GLU.GLU_NURBS_ERROR1) && (errorCode <= GLU.GLU_NURBS_ERROR37) ) { -// return( gluErrorStrings[ errorCode - (GLU.GLU_NURBS_ERROR1 - 1) ] ); -// } - if( (errorCode >= GLU.GLU_TESS_ERROR1) && (errorCode <= GLU.GLU_TESS_ERROR8) ) { - return( Glue.__gluTessErrorString(errorCode - (GLU.GLU_TESS_ERROR1 - 1)) ); - } - return( "error ("+errorCode+")" ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2Backend.java b/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2Backend.java deleted file mode 100755 index 4b78498c9..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2Backend.java +++ /dev/null @@ -1,49 +0,0 @@ -package com.sun.opengl.impl.glu.gl2.nurbs; -import com.sun.opengl.impl.glu.nurbs.*; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class responsible for rendering - * @author Tomas Hrasky - * - */ -public class GL2Backend extends Backend { - public GL2Backend() { - super(); - curveEvaluator = new GL2CurveEvaluator(); - surfaceEvaluator = new GL2SurfaceEvaluator(); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java b/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java deleted file mode 100755 index 107ec9229..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java +++ /dev/null @@ -1,205 +0,0 @@ -package com.sun.opengl.impl.glu.gl2.nurbs; -import com.sun.opengl.impl.glu.nurbs.*; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.glu.GLU; -import javax.media.opengl.glu.gl2.GLUgl2; - -/** - * Class rendering curves with OpenGL - * @author Tomáš Hráský - * - */ -class GL2CurveEvaluator implements CurveEvaluator { - - /** - * Output triangles (for callback) or render curve - */ - private boolean output_triangles; - - /** - * OpenGL object - */ - private GL2 gl; - - /** - * Not used - */ - private int vertex_flag; - - /** - * Not used - */ - private int normal_flag; - - /** - * Not used - */ - private int color_flag; - - /** - * Not used - */ - private int texcoord_flag; - - /** - * Number of bezier arc - used for color distinguishing of arcs forming NURBS curve - */ - private int poradi; - - /** - * Makes new Evaluator - */ - public GL2CurveEvaluator() { - gl = GLUgl2.getCurrentGL2(); - } - - /** - * Pushes eval bit - */ - public void bgnmap1f() { - // DONE - if (output_triangles) { - vertex_flag = 0; - normal_flag = 0; - color_flag = 0; - texcoord_flag = 0; - } else { - gl.glPushAttrib(GL2.GL_EVAL_BIT); - } - - } - - /** - * Pops all OpenGL attributes - */ - public void endmap1f() { - // DONE - if (output_triangles) { - - } else { - gl.glPopAttrib(); - } - - } - - /** - * Initializes opengl evaluator - * @param type curve type - * @param ulo lowest u - * @param uhi highest u - * @param stride control point coords - * @param order curve order - * @param ps control points - */ - public void map1f(int type, float ulo, float uhi, int stride, int order, - CArrayOfFloats ps) { - if (output_triangles) { - // TODO code for callback (output_triangles probably indicates callback) - // System.out.println("TODO curveevaluator.map1f-output_triangles"); - } else { - gl.glMap1f(type, ulo, uhi, stride, order, ps.getArray(), ps - .getPointer()); - - // DEBUG - drawing bézier control points - // gl.glColor3d(.5,.5,.5); - // gl.glPointSize(5); - // gl.glBegin(GL2.GL_POINTS); - // float[] ctrlpoints=ps.getArray(); - // for(int i=ps.getPointer();i 0) { - do_nurbserror(6); - endcurve(); - } - inCurve = 1; - currentCurve = o_curve; - - currentCurve.curvetype = CT_NONE; - - if (inTrim) { - if (!nextCurve.equals(o_curve)) { - isCurveModified = 1; - nextCurve = o_curve; - } - } else { - if (!playBack) - bgnrender(); - isDataValid = 1; - } - nextCurve = o_curve.next; - // kind of solution of union - nextPwlcurve = o_curve.o_pwlcurve; - nextNurbscurve = o_curve.o_nurbscurve; - } - - /** - * Begins new surface - * - * @param o_surface - * surface object - */ - public void do_bgnsurface(O_surface o_surface) { - // DONE - if (inSurface > 0) { - do_nurbserror(27); - endsurface(); - } - inSurface = 1; - if (!playBack) - bgnrender(); - - isTrimModified = false; - isDataSurfaceModified = false; - isDataValid = 1; - numTrims = 0; - currentSurface = o_surface; - nextTrim = o_surface.o_trim; - nextNurbssurface = o_surface.o_nurbssurface; - } - - /** - * End a curve - */ - public void endcurve() { - // DONE - thread2("do_endcurve"); - } - - /** - * Ends surface - */ - public void do_endsurface() { - // DONE - if (inTrim) { - do_nurbserror(12); - endtrim(); - } - - if (inSurface <= 0) { - do_nurbserror(13); - return; - } - - inSurface = 0; - - nextNurbssurface = null; - - if (isDataValid <= 0) { - return; - } - - if (nextTrim != null) { - isTrimModified = true; - nextTrim = null; - } - - // TODO errval ?? - if (numTrims > 0) { - // System.out.println("TODO glunurbs.do_endsurface - numtrims > 0"); - } - - subdivider.beginQuilts(new GL2Backend()); - for (O_nurbssurface n = currentSurface.o_nurbssurface; n != null; n = n.next) { - subdivider.addQuilt(n.bezier_patches); - } - subdivider.endQuilts(); - subdivider.drawSurfaces(); - if (!playBack) - endrender(); - - } - - /** - * Ends a curve - */ - public void do_endcurve() { - // DONE - // // System.out.println("do_endcurve"); - if (inCurve <= 0) { - do_nurbserror(7); - return; - } - inCurve = 0; - - nextCurve = null; - - if (currentCurve.curvetype == CT_NURBSCURVE) { - // nextNurbscurve = null; - // currentCurve.o_nurbscurve=null; - } else { - // nextPwlcurve = null; - // currentCurve.o_pwlcurve=null; - } - if (!inTrim) { - if (isDataValid <= 0) { - return; - } - // TODO errval? - if (currentCurve.curvetype == CT_NURBSCURVE) { - subdivider.beginQuilts(new GL2Backend()); - - for (O_nurbscurve n = currentCurve.o_nurbscurve; n != null; n = n.next) - subdivider.addQuilt(n.bezier_curves); - - subdivider.endQuilts(); - subdivider.drawCurves(); - if (!playBack) - endrender(); - } else { - if (!playBack) - endrender(); - do_nurbserror(9); - } - } - - } - - /** - * Method for handling error codes - * - * @param i - * error code - */ - private void do_nurbserror(int i) { - // TODO nurberror - // System.out.println("TODO nurbserror " + i); - } - - /** - * Begin rendering - */ - private void bgnrender() { - // DONE - if (autoloadmode) { - loadGLMatrices(); - } - } - - /** - * Load matrices from OpenGL state machine - */ - private void loadGLMatrices() { - // TODO Auto-generated method stub - // System.out.println("TODO glunurbs.loadGLMatrices"); - } - - /** - * End rendering - */ - private void endrender() { - // DONE - } - - /** - * Make a NURBS curve - * - * @param nknots - * number of knots in knot vector - * @param knot - * knot vector - * @param stride - * number of control points coordinates - * @param ctlarray - * control points - * @param order - * order of the curve - * @param realType - * type of the curve - */ - public void nurbscurve(int nknots, float[] knot, int stride, - float[] ctlarray, int order, int realType) { - // DONE - Mapdesc mapdesc = maplist.locate(realType); - if (mapdesc == null) { - do_nurbserror(35); - isDataValid = 0; - return; - } - if (ctlarray == null) { - do_nurbserror(36); - isDataValid = 0; - return; - } - if (stride < 0) { - do_nurbserror(34); - isDataValid = 0; - return; - } - Knotvector knots = new Knotvector(nknots, stride, order, knot); - - if (!do_check_knots(knots, "curve")) - return; - - O_nurbscurve o_nurbscurve = new O_nurbscurve(realType); - o_nurbscurve.bezier_curves = new Quilt(mapdesc); - CArrayOfFloats ctrlcarr = new CArrayOfFloats(ctlarray); - o_nurbscurve.bezier_curves.toBezier(knots, ctrlcarr, mapdesc - .getNCoords()); - thread("do_nurbscurve", o_nurbscurve); - } - - /** - * Check knot vector specification - * - * @param knots - * knot vector - * @param msg - * error message - * @return knot vector is / is not valid - */ - public boolean do_check_knots(Knotvector knots, String msg) { - // DONE - int status = knots.validate(); - if (status > 0) { - do_nurbserror(status); - if (renderhints.errorchecking != NurbsConsts.N_NOMSG) - knots.show(msg); - } - return (status > 0) ? false : true; - } - - /** - * Draw a curve - * - * @param o_nurbscurve - * NURBS curve object - */ - public void do_nurbscurve(O_nurbscurve o_nurbscurve) { - // DONE - - if (inCurve <= 0) { - bgncurve(); - inCurve = 2; - } - - if (o_nurbscurve.used) { - do_nurbserror(23); - isDataValid = 0; - return; - } else - o_nurbscurve.used = true; - - if (currentCurve.curvetype == CT_NONE) { - currentCurve.curvetype = CT_NURBSCURVE; - } else if (currentCurve.curvetype != CT_NURBSCURVE) { - do_nurbserror(24); - isDataValid = 0; - return; - } - - // it was necessary to overcome problem with pointer to pointer here - - // if(!o_nurbscurve.equals(nextNurbscurve)){ - if (!o_nurbscurve.equals(currentCurve.o_nurbscurve)) { - isCurveModified = 1; - currentCurve.o_nurbscurve = o_nurbscurve; - // nextNurbscurve=o_nurbscurve; - - } - - nextNurbscurve = o_nurbscurve.next; - - if (!currentCurve.equals(o_nurbscurve.owner)) { - isCurveModified = 1; - o_nurbscurve.owner = currentCurve; - } - - if (o_nurbscurve.owner == null) - isCurveModified = 1; - - if (inCurve == 2) - endcurve(); - } - - /** - * Draw NURBS surface - * - * @param o_nurbssurface - * NURBS surface object - */ - public void do_nurbssurface(O_nurbssurface o_nurbssurface) { - // DONE - if (inSurface <= 0) { - bgnsurface(); - inSurface = 2; - } - if (o_nurbssurface.used) { - do_nurbserror(25); - isDataValid = 0; - return; - } else - o_nurbssurface.used = true; - - if (!o_nurbssurface.equals(nextNurbscurve)) { - isSurfaceModified = true; - // nextNurbssurface=o_nurbssurface; - currentSurface.o_nurbssurface = o_nurbssurface; - } - - if (!currentSurface.equals(o_nurbssurface.owner)) { - isSurfaceModified = true; - o_nurbssurface.owner = currentSurface; - } - - nextNurbssurface = o_nurbssurface.next; - - if (inSurface == 2) - endsurface(); - } - - /** - * (Re)Inicialize maps - */ - public void redefineMaps() { - // DONE - maplist.initialize(); - } - - /** - * Define a map of given properties - * - * @param type - * map type - * @param rational - * is rational - * @param ncoords - * number of control point coordinates - */ - public void defineMap(int type, int rational, int ncoords) { - // DONE - maplist.define(type, rational, ncoords); - } - - /** - * Set NURBS property - * - * @param type - * property type - * @param tag - * property tag - * @param value - * property value - */ - public void setnurbsproperty(int type, int tag, float value) { - // DONE - Mapdesc mapdesc = maplist.locate(type); - if (mapdesc == null) { - do_nurbserror(35); - return; - } - if (!mapdesc.isProperty(tag)) { - do_nurbserror(26); - return; - } - Property prop = new Property(type, tag, value); - thread("do_setnurbsproperty2", prop); - } - - /** - * Set parameters of existing property - * - * @param prop - * property - */ - public void do_setnurbsproperty2(Property prop) { - Mapdesc mapdesc = maplist.find(prop.type); - mapdesc.setProperty(prop.tag, prop.value); - } - - /** - * Set given property to rendering hints - * - * @param prop - * property to be set - */ - public void do_setnurbsproperty(Property prop) { - // DONE - renderhints.setProperty(prop); - // TODO freeproperty? - } - - /** - * Sets wheteher we use domain distance sampling - * - * @param i - * domain distance sampling flag - */ - public void set_is_domain_distance_sampling(int i) { - // DONE - subdivider.set_is_domain_distance_sampling(i); - } - - /** - * Begin new surface - */ - public void bgnsurface() { - // DONE - O_surface o_surface = new O_surface(); - // TODO nuid - // System.out.println("TODO glunurbs.bgnsurface nuid"); - thread("do_bgnsurface", o_surface); - } - - /** - * End current surface - */ - public void endsurface() { - // DONE - thread2("do_endsurface"); - } - - /** - * End surface trimming - */ - private void endtrim() { - // TODO Auto-generated method stub - // System.out.println("TODO glunurbs.endtrim"); - } - - /** - * Make NURBS surface - * - * @param sknot_count - * number of knots in s direction - * @param sknot - * knot vector in s direction - * @param tknot_count - * number of knots in t direction - * @param tknot - * knot vector in t direction - * @param s_stride - * number of coords of control points in s direction - * @param t_stride - * number of coords of control points in t direction - * @param ctlarray - * control points - * @param sorder - * order of curve in s direction - * @param torder - * order of curve in t direction - * @param type - * NURBS surface type (rational,...) - */ - public void nurbssurface(int sknot_count, float[] sknot, int tknot_count, - float[] tknot, int s_stride, int t_stride, float[] ctlarray, - int sorder, int torder, int type) { - // DONE - Mapdesc mapdesc = maplist.locate(type); - if (mapdesc == null) { - do_nurbserror(35); - isDataValid = 0; - return; - } - if (s_stride < 0 || t_stride < 0) { - do_nurbserror(34); - isDataValid = 0; - return; - } - Knotvector sknotvector = new Knotvector(sknot_count, s_stride, sorder, - sknot); - if (!do_check_knots(sknotvector, "surface")) - return; - Knotvector tknotvector = new Knotvector(tknot_count, t_stride, torder, - tknot); - if (!do_check_knots(tknotvector, "surface")) - return; - - O_nurbssurface o_nurbssurface = new O_nurbssurface(type); - o_nurbssurface.bezier_patches = new Quilt(mapdesc); - - CArrayOfFloats ctrlarr = new CArrayOfFloats(ctlarray); - o_nurbssurface.bezier_patches.toBezier(sknotvector, tknotvector, - ctrlarr, mapdesc.getNCoords()); - thread("do_nurbssurface", o_nurbssurface); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java deleted file mode 100644 index 41eb84bdb..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java +++ /dev/null @@ -1,1598 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.glu.GLU; -import com.sun.opengl.impl.Debug; -import com.sun.opengl.impl.InternalBufferUtil; -import java.nio.*; -import java.io.*; - -/** - * - * @author Administrator - */ -public class BuildMipmap { - - private static final boolean DEBUG = Debug.debug("BuildMipmap"); - private static final boolean VERBOSE = Debug.verbose(); - - /** Creates a new instance of BuildMipmap */ - public BuildMipmap() { - } - - public static int gluBuild1DMipmapLevelsCore( GL gl, int target, int internalFormat, - int width, int widthPowerOf2, int format, int type, int userLevel, - int baseLevel, int maxLevel, ByteBuffer data ) { - int newwidth; - int level, levels; - ShortBuffer newImage = null; - int newImage_width; - ShortBuffer otherImage = null; - ShortBuffer imageTemp = null; - int memReq; - int maxsize; - int cmpts; - PixelStorageModes psm = new PixelStorageModes(); - - assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); - assert( width >= 1 ); - - newwidth = widthPowerOf2; - levels = Mipmap.computeLog( newwidth ); - - levels += userLevel; - - Mipmap.retrieveStoreModes( gl, psm ); - try { - newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, 1, format, - GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); - } catch( OutOfMemoryError ome ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - newImage_width = width; - - Image.fill_image( psm, width, 1, format, type, Mipmap.is_index( format ), data, newImage ); - cmpts = Mipmap.elements_per_group( format, type ); - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); - - // if swap_bytes was set, swapping occurred in fill_image - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); - - for( level = userLevel; level <= levels; level++ ) { - if( newImage_width == newwidth ) { - // user newimage for this level - if( baseLevel <= level && level <= maxLevel ) { - gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, format, - GL2.GL_UNSIGNED_SHORT, newImage ); - } - } else { - if( otherImage == null ) { - memReq = Mipmap.image_size( newwidth, 1, format, GL2.GL_UNSIGNED_SHORT ); - try { - otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - } - ScaleInternal.scale_internal( cmpts, newImage_width, 1, newImage, newwidth, 1, otherImage ); - // swap newImage and otherImage - imageTemp = otherImage; - otherImage = newImage; - newImage = imageTemp; - - newImage_width = newwidth; - if( baseLevel <= level && level <= maxLevel ) { - gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, - format, GL2.GL_UNSIGNED_SHORT, newImage ); - } - } - if( newwidth > 1 ) { - newwidth /= 2; - } - } - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - - return( 0 ); - } - - public static int bitmapBuild2DMipmaps( GL gl, int target, int internalFormat, - int width, int height, int format, int type, ByteBuffer data ) { - int newwidth[] = new int[1]; - int newheight[] = new int[1]; - int level, levels; - ShortBuffer newImage = null; - int newImage_width; - int newImage_height; - ShortBuffer otherImage = null; - ShortBuffer tempImage = null; - int memReq; - int maxsize; - int cmpts; - PixelStorageModes psm = new PixelStorageModes(); - - Mipmap.retrieveStoreModes( gl, psm ); - - Mipmap.closestFit( gl, target, width, height, internalFormat, format, type, newwidth, newheight ); - - levels = Mipmap.computeLog( newwidth[0] ); - level = Mipmap.computeLog( newheight[0] ); - if( level > levels ) { - levels = level; - } - - try { - newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, height, - format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); - } catch( OutOfMemoryError ome ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - newImage_width = width; - newImage_height = height; - - Image.fill_image( psm, width, height, format, type, Mipmap.is_index( format ), data, newImage ); - - cmpts = Mipmap.elements_per_group( format, type ); - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); - - // if swap_bytes is set, swapping occurred in fill_image - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); - - for( level = 0; level < levels; level++ ) { - if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { - newImage.rewind(); - gl.glTexImage2D( target, level, internalFormat, newImage_width, - newImage_height, 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); - } else { - if( otherImage == null ) { - memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_SHORT ); - try { - otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - } - ScaleInternal.scale_internal( cmpts, newImage_width, newImage_height, - newImage, newwidth[0], newheight[0], otherImage ); - // swap newImage and otherImage - tempImage = otherImage; - otherImage = newImage; - newImage = tempImage; - - newImage_width = newwidth[0]; - newImage_height = newheight[0]; - newImage.rewind(); - gl.glTexImage2D( target, level, internalFormat, newImage_width, newImage_height, - 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); - } - if( newheight[0] > 1 ) { - newwidth[0] /= 2; - } - if( newheight[0] > 1 ) { - newheight[0] /= 2; - } - } - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - - return( 0 ); - } - - public static int gluBuild2DMipmapLevelsCore( GL gl, int target, int internalFormat, - int width, int height, int widthPowerOf2, int heightPowerOf2, - int format, int type, int userLevel, int baseLevel, int maxLevel, - ByteBuffer data ) { // PointerWrapper data - int newwidth; - int newheight; - int level, levels; - int usersImage; - ByteBuffer srcImage = null; - ByteBuffer dstImage = null; - ByteBuffer tempImage = null; - int newImage_width; - int newImage_height; - short[] SWAP_IMAGE = null; - int memReq; - int maxsize; - int cmpts; - int mark=-1; - - boolean myswap_bytes; - int groups_per_line, element_size, group_size; - int rowsize, padding; - PixelStorageModes psm = new PixelStorageModes(); - - assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); - assert( width >= 1 && height >= 1 ); - - if( type == GL2.GL_BITMAP ) { - return( bitmapBuild2DMipmaps( gl, target, internalFormat, width, height, format, type, data ) ); - } - - newwidth = widthPowerOf2; - newheight = heightPowerOf2; - levels = Mipmap.computeLog( newwidth ); - level = Mipmap.computeLog( newheight ); - if( level > levels ) { - levels = level; - } - - levels += userLevel; - - Mipmap.retrieveStoreModes( gl, psm ); - myswap_bytes = psm.getUnpackSwapBytes(); - cmpts = Mipmap.elements_per_group( format, type ); - if( psm.getUnpackRowLength() > 0 ) { - groups_per_line = psm.getUnpackRowLength(); - } else { - groups_per_line = width; - } - - element_size = Mipmap.bytes_per_element( type ); - group_size = element_size * cmpts; - if( element_size == 1 ) { - myswap_bytes = false; - } - - rowsize = groups_per_line * group_size; - padding = ( rowsize % psm.getUnpackAlignment() ); - if( padding != 0 ) { - rowsize += psm.getUnpackAlignment() - padding; - } - - mark = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; - data.position( mark ); - - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); - - level = userLevel; - - // already power of two square - if( width == newwidth && height == newheight ) { - // use usersImage for level userLevel - if( baseLevel <= level && level <= maxLevel ) { - data.rewind(); - gl.glTexImage2D( target, level, internalFormat, width, height, 0, format, type, data ); - } - if( levels == 0 ) { /* we're done. clean up and return */ - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( 0 ); - } - int nextWidth = newwidth / 2; - int nextHeight = newheight / 2; - - // clamp to 1 - if( nextWidth < 1 ) { - nextWidth = 1; - } - if( nextHeight < 1 ) { - nextHeight = 1; - } - memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); - - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - if( dstImage != null ) { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - HalveImage.halveImage_ubyte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_BYTE ): - HalveImage.halveImage_byte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_UNSIGNED_SHORT ): - HalveImage.halveImage_ushort( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_SHORT ): - HalveImage.halveImage_short( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT ): - HalveImage.halveImage_uint( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_INT ): - HalveImage.halveImage_int( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_FLOAT ): - HalveImage.halveImage_float( cmpts, width, height, data, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel( 3, new Extract332(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel( 3, new Extract233rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - HalveImage.halveImagePackedPixel( 3, new Extract565(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - HalveImage.halveImagePackedPixel( 3, new Extract565rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - HalveImage.halveImagePackedPixel( 4, new Extract4444(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - HalveImage.halveImagePackedPixel( 4, new Extract5551(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - HalveImage.halveImagePackedPixel( 4, new Extract8888(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - HalveImage.halveImagePackedPixel( 4, new Extract1010102(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); - break; - default: - assert( false ); - break; - } - } - newwidth = width / 2; - newheight = height / 2; - // clamp to 1 - if( newwidth < 1 ) { - newwidth = 1; - } - if( newheight < 1 ) { - newheight = 1; - } - - myswap_bytes = false; - rowsize = newwidth * group_size; - memReq = Mipmap.image_size( newwidth, newheight, format, type ); - // swap srcImage and dstImage - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - // level userLevel+1 is in srcImage; level userLevel already saved - level = userLevel + 1; - } else { // user's image is not nice powerof2 size square - memReq = Mipmap.image_size( newwidth, newheight, format, type ); - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - data.position( mark ); - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - ScaleInternal.scale_internal_ubyte( cmpts, width, height, data, - newwidth, newheight, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_BYTE ): - ScaleInternal.scale_internal_byte( cmpts, width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_UNSIGNED_SHORT ): - ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, - newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_SHORT ): - ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, - newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT ): - ScaleInternal.scale_internal_uint( cmpts, width, height, data, newwidth, - newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_INT ): - ScaleInternal.scale_internal_int( cmpts, width, height, data, newwidth, - newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_FLOAT ): - ScaleInternal.scale_internal_float( cmpts, width, height, data, newwidth, - newheight, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - ScaleInternal.scaleInternalPackedPixel( 3, new Extract332(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - ScaleInternal.scaleInternalPackedPixel( 3, new Extract233rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - ScaleInternal.scaleInternalPackedPixel( 3, new Extract565(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - ScaleInternal.scaleInternalPackedPixel( 3, new Extract565rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract5551(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract1555rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract1010102(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - ScaleInternal.scaleInternalPackedPixel( 4, new Extract2101010rev(), width, height, data, newwidth, - newheight, dstImage, element_size, rowsize, myswap_bytes ); - break; - default: - assert( false ); - break; - } - myswap_bytes = false; - rowsize = newwidth * group_size; - // swap dstImage and srcImage - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - - if( levels != 0 ) { // use as little memory as possible - int nextWidth = newwidth / 2; - int nextHeight = newheight / 2; - if( nextWidth < 1 ) { - nextWidth = 1; - } - if( nextHeight < 1 ) { - nextHeight = 1; - } - - memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - } - // level userLevel is in srcImage; nothing saved yet - level = userLevel; - } - - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); - if( baseLevel <= level && level <= maxLevel ) { - srcImage.rewind(); - gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); - if (DEBUG) { - System.err.println("GL Error(" + level + "): " + gl.glGetError() ); - if (VERBOSE) { - srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); - writeTargaFile("glu2DMipmapJ" + level + ".tga", - srcImage, newwidth, newheight); - srcImage.clear(); - } - } - } - - level++; // update current level for the loop - for( ; level <= levels; level++ ) { - srcImage.rewind(); - dstImage.rewind(); - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - HalveImage.halveImage_ubyte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_BYTE ): - HalveImage.halveImage_byte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); - break; - case( GL2.GL_UNSIGNED_SHORT ): - HalveImage.halveImage_ushort( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_SHORT ): - HalveImage.halveImage_short( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT ): - HalveImage.halveImage_uint( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_INT ): - HalveImage.halveImage_int( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_FLOAT ): - HalveImage.halveImage_float( cmpts, newwidth, newheight, srcImage, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel( 3, new Extract332(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel( 3, new Extract233rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - HalveImage.halveImagePackedPixel( 3, new Extract565(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - HalveImage.halveImagePackedPixel( 3, new Extract565rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - HalveImage.halveImagePackedPixel( 4, new Extract4444(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - HalveImage.halveImagePackedPixel( 4, new Extract5551(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - HalveImage.halveImagePackedPixel( 4, new Extract8888(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - HalveImage.halveImagePackedPixel( 4, new Extract1010102(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); - break; - default: - assert( false ); - break; - } - - // swap dstImage and srcImage - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - - if( newwidth > 1 ) { - newwidth /= 2; - rowsize /= 2; - } - if( newheight > 1 ) { - newheight /= 2; - } - // compute amount to pad per row if any - int rowPad = rowsize % psm.getUnpackAlignment(); - - // should row be padded - if( rowPad == 0 ) { - // call teximage with srcImage untouched since its not padded - if( baseLevel <= level && level <= maxLevel ) { - srcImage.rewind(); - gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); - if (DEBUG) { - System.err.println("GL Error(" + level + "): " + gl.glGetError() ); - if (VERBOSE) { - srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); - writeTargaFile("glu2DMipmapJ" + level + ".tga", - srcImage, newwidth, newheight); - srcImage.clear(); - } - } - } - } else { - // compute length of new row in bytes, including padding - int newRowLength = rowsize + psm.getUnpackAlignment() - rowPad; - int ii, jj; - int dstTrav; - int srcTrav; - - // allocate new image for mipmap of size newRowLength x newheight - ByteBuffer newMipmapImage = null; - try { - newMipmapImage = ByteBuffer.allocateDirect( newRowLength * newheight ); - } catch( OutOfMemoryError ome ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - srcImage.rewind(); - // copy image from srcImage into newMipmapImage by rows - for( ii = 0; ii < newheight; ii++ ) { - newMipmapImage.position(newRowLength * ii); - for( jj = 0; jj < rowsize; jj++ ) { - newMipmapImage.put( srcImage.get() ); - } - } - - // and use this new image for mipmapping instead - if( baseLevel <= level && level <= maxLevel ) { - newMipmapImage.rewind(); - gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, newMipmapImage ); - if (DEBUG) { - System.err.println("GL Error(" + level + " padded): " + gl.glGetError() ); - if (VERBOSE) { - writeTargaFile("glu2DMipmapJ" + level + ".tga", - newMipmapImage, newwidth, newheight); - } - } - } - } - } - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); - - return( 0 ); - } - - public static int fastBuild2DMipmaps( GL gl, PixelStorageModes psm, int target, - int components, int width, int height, int format, int type, ByteBuffer data ) { - int[] newwidth = new int[1]; - int[] newheight = new int[1]; - int level, levels; - ByteBuffer newImage; - int newImage_width; - int newImage_height; - ByteBuffer otherImage; - ByteBuffer imageTemp; - int memReq; - int maxsize; - int cmpts; - - Mipmap.closestFit( gl, target, width, height, components, format, type, newwidth, - newheight ); - - levels = Mipmap.computeLog( newwidth[0] ); - level = Mipmap.computeLog( newheight[0] ); - if( level > levels ) { - levels = level; - } - - cmpts = Mipmap.elements_per_group( format, type ); - - otherImage = null; - // No need to copy the user data if its packed correctly. - // Make sure that later routines don't change that data. - - if( psm.getUnpackSkipRows() == 0 && psm.getUnpackSkipPixels() == 0 ) { - newImage = data; - newImage_width = width; - newImage_height = height; - } else { - int rowsize; - int group_per_line; - int elements_per_line; - int start; - int iter; - int iter2; - int i, j; - - try { - newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( - width, height, format, GL2.GL_UNSIGNED_BYTE ) )); - } catch( OutOfMemoryError err ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - newImage_width = width; - newImage_height = height; - - // Abbreviated version of fill_image for the restricted case. - if( psm.getUnpackRowLength() > 0 ) { - group_per_line = psm.getUnpackRowLength(); - } else { - group_per_line = width; - } - rowsize = group_per_line * cmpts; - elements_per_line = width * cmpts; - start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * cmpts; - - for( i = 0; i < height; i++ ) { - iter = start; - data.position( iter ); - for( j = 0; j < elements_per_line; j++ ) { - newImage.put( data.get() ); - } - start += rowsize; - } - } - - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 1 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); - - for( level = 0; level <= levels; level++ ) { - if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { - // use newImage for this level - newImage.rewind(); - gl.glTexImage2D( target, level, components, newImage_width, newImage_height, - 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); - } else { - if( otherImage == null ) { - memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_BYTE ); - try { - otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - } catch( OutOfMemoryError err ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; - return( GLU.GLU_OUT_OF_MEMORY ); - } - } - // swap newImage and otherImage - imageTemp = otherImage; - otherImage = newImage; - newImage = imageTemp; - - newImage_width = newwidth[0]; - newImage_height = newheight[0]; - newImage.rewind(); - gl.glTexImage2D( target, level, components, newImage_width, newImage_height, - 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); - } - if( newwidth[0] > 1 ) { - newwidth[0] /= 2; - } - if( newheight[0] > 1 ) { - newheight[0] /= 2; - } - } - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; - - return( 0 ); - } - - public static int gluBuild3DMipmapLevelsCore( GL gl, int target, int internalFormat, - int width, int height, int depth, int widthPowerOf2, int heightPowerOf2, - int depthPowerOf2, int format, int type, int userLevel, int baseLevel, - int maxLevel, ByteBuffer data ) { - int newWidth; - int newHeight; - int newDepth; - int level, levels; - ByteBuffer usersImage; - ByteBuffer srcImage, dstImage, tempImage; - int newImageWidth; - int newImageHeight; - int newImageDepth; - int memReq; - int maxSize; - int cmpts; - int mark=-1; - - boolean myswapBytes; - int groupsPerLine, elementSize, groupSize; - int rowsPerImage, imageSize; - int rowSize, padding; - PixelStorageModes psm = new PixelStorageModes(); - - assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); - assert( width >= 1 && height >= 1 && depth >= 1 ); - assert( type != GL2.GL_BITMAP ); - - srcImage = dstImage = null; - - newWidth = widthPowerOf2; - newHeight = heightPowerOf2; - newDepth = depthPowerOf2; - levels = Mipmap.computeLog( newWidth ); - level = Mipmap.computeLog( newHeight ); - if( level > levels ) { - levels = level; - } - level = Mipmap.computeLog( newDepth ); - if( level > levels ) { - levels = level; - } - - levels += userLevel; - - Mipmap.retrieveStoreModes3D( gl, psm ); - myswapBytes = psm.getUnpackSwapBytes(); - cmpts = Mipmap.elements_per_group( format, type ); - if( psm.getUnpackRowLength() > 0 ) { - groupsPerLine = psm.getUnpackRowLength(); - } else { - groupsPerLine = width; - } - - elementSize = Mipmap.bytes_per_element( type ); - groupSize = elementSize * cmpts; - if( elementSize == 1 ) { - myswapBytes = false; - } - - // 3dstuff - if( psm.getUnpackImageHeight() > 0 ) { - rowsPerImage = psm.getUnpackImageHeight(); - } else { - rowsPerImage = height; - } - - rowSize = groupsPerLine * groupSize; - padding = ( rowSize % psm.getUnpackAlignment() ); - if( padding != 0 ) { - rowSize += psm.getUnpackAlignment() - padding; - } - - imageSize = rowsPerImage * rowSize; - - usersImage = ByteBuffer.wrap(data.array()); - mark = psm.getUnpackSkipRows() * rowSize + - psm.getUnpackSkipPixels() * groupSize + - psm.getUnpackSkipImages() * imageSize; - usersImage.position( mark ); - - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, 0 ); - - level = userLevel; - - if( width == newWidth && height == newHeight && depth == newDepth ) { - // use usersImage for level userlevel - if( baseLevel <= level && level <= maxLevel ) { - gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, - 0, format, type, usersImage ); - } - if( levels == 0 ) { /* we're done. clean up and return */ - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( 0 ); - } - int nextWidth = newWidth / 2; - int nextHeight = newHeight / 2; - int nextDepth = newDepth / 2; - - // clamp to one - if( nextWidth < 1 ) { - nextWidth = 1; - } - if( nextHeight < 1 ) { - nextHeight = 1; - } - if( nextDepth < 1 ) { - nextDepth = 1; - } - memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError err ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - - if( dstImage != null ) { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, - usersImage, dstImage, elementSize, - groupSize, rowSize, imageSize, myswapBytes ); - } else { - HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, - dstImage, elementSize, rowSize, groupSize ); - } - break; - case( GL2.GL_BYTE ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_byte( cmpts, width, height, usersImage, - dstImage, elementSize, rowSize, groupSize ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_ushort( cmpts, width, height, usersImage, - dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_SHORT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_short( cmpts, width, height, usersImage, - dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_UNSIGNED_INT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_uint( cmpts, width, height, usersImage, - dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_INT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_int( cmpts, width, height, usersImage, - dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_FLOAT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_float( cmpts, width, height, usersImage, - dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - assert( format == GL2.GL_RGB ); - HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - default: - assert( false ); - break; - } - } - newWidth = width / 2; - newHeight = height / 2; - newDepth = depth / 2; - // clamp to 1 - if( newWidth < 1 ) { - newWidth = 1; - } - if( newHeight < 1 ) { - newHeight = 1; - } - if( newDepth < 1 ) { - newDepth = 1; - } - - myswapBytes = false; - rowSize = newWidth * groupSize; - imageSize = rowSize * newHeight; - memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); - // swap srcImage and dstImage - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError err ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - - // level userLevel + 1 is in srcImage; level userLevel already saved - level = userLevel + 1; - } else { - memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError err ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - - ScaleInternal.gluScaleImage3D( gl, format, width, height, depth, type, - usersImage, newWidth, newHeight, newDepth, type, dstImage ); - - myswapBytes = false; - rowSize = newWidth * groupSize; - imageSize = rowSize * newHeight; - // swap dstImage and srcImage - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - - if( levels != 0 ) { - int nextWidth = newWidth / 2; - int nextHeight = newHeight / 2; - int nextDepth = newDepth / 2; - if( nextWidth < 1 ) { - nextWidth = 1; - } - if( nextHeight < 1 ) { - nextHeight = 1; - } - if( nextDepth < 1 ) { - nextDepth = 1; - } - memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); - try { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); - break; - default: - return( GLU.GLU_INVALID_ENUM ); - } - } catch( OutOfMemoryError err ) { - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( GLU.GLU_OUT_OF_MEMORY ); - } - } - // level userLevel is in srcImage; nothing saved yet - level = userLevel; - } - - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); - if( baseLevel <= level && level <= maxLevel ) { - usersImage.position( mark ); - gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, - 0, format, type, usersImage ); - } - level++; - for( ; level <= levels; level++ ) { - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, - dstImage, elementSize, rowSize, groupSize ); - } - break; - case( GL2.GL_BYTE ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_byte( cmpts, width, height, usersImage, - dstImage, elementSize, rowSize, groupSize ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_ushort( cmpts, width, height, usersImage, - dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_SHORT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_short( cmpts, width, height, usersImage, - dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_UNSIGNED_INT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_uint( cmpts, width, height, usersImage, - dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_INT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_int( cmpts, width, height, usersImage, - dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_FLOAT ): - if( depth > 1 ) { - HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, - usersImage, dstImage, elementSize, groupSize, rowSize, - imageSize, myswapBytes ); - } else { - HalveImage.halveImage_float( cmpts, width, height, usersImage, - dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, - dstImage, elementSize, rowSize, imageSize, myswapBytes ); - break; - default: - assert( false ); - break; - } - - tempImage = srcImage; - srcImage = dstImage; - dstImage = tempImage; - - if( newWidth > 1 ) { - newWidth /= 2; - rowSize /= 2; - } - if( newHeight > 1 ) { - newHeight /= 2; - imageSize = rowSize * newHeight; - } - if( newDepth > 1 ) { - newDepth /= 2; - } - if( baseLevel <= level && level <= maxLevel ) { - usersImage.position( mark ); - gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, - 0, format, type, usersImage ); - } - } - gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); - gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); - gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); - gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); - gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); - return( 0 ); - } - - private static final int TARGA_HEADER_SIZE = 18; - private static void writeTargaFile(String filename, ByteBuffer data, - int width, int height) { - try { - FileOutputStream fos = new FileOutputStream(new File(filename)); - ByteBuffer header = ByteBuffer.allocateDirect(TARGA_HEADER_SIZE); - header.put(0, (byte) 0).put(1, (byte) 0); - header.put(2, (byte) 2); // uncompressed type - header.put(12, (byte) (width & 0xFF)); // width - header.put(13, (byte) (width >> 8)); // width - header.put(14, (byte) (height & 0xFF)); // height - header.put(15, (byte) (height >> 8)); // height - header.put(16, (byte) 24); // pixel size - fos.write(header.array()); - fos.write(data.array()); - data.clear(); - fos.close(); - } catch (IOException e) { - e.printStackTrace(); - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract.java deleted file mode 100644 index 3f0fab51c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract.java +++ /dev/null @@ -1,56 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public interface Extract { - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ); - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ); -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java deleted file mode 100644 index 38ca2e526..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class Extract1010102 implements Extract { - - /** Creates a new instance of Extract1010102 */ - public Extract1010102() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - long uint = 0; - - if( isSwap ) { - uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); - } else { - uint = 0x00000000FFFFFFFF & packedPixel.getInt(); - } - - // 11111111,11000000,00000000,00000000 == 0xFFC00000 - // 00000000,00111111,11110000,00000000 == 0x003F0000 - // 00000000,00000000,00001111,11111100 == 0x00000FFC - // 00000000,00000000,00000000,00000011 == 0x00000003 - - extractComponents[0] = (float)( ( uint & 0xFFC00000 ) >> 22 ) / 1023.0f; - extractComponents[1] = (float)( ( uint & 0x003FF000 ) >> 12 ) / 1023.0f; - extractComponents[2] = (float)( ( uint & 0x00000FFC ) >> 2 ) / 1023.0f; - extractComponents[3] = (float)( ( uint & 0x00000003 ) ) / 3.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) << 22) & 0xFFC00000 ); - uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 12) & 0x003FF000 ); - uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 2) & 0x00000FFC ); - uint |= (((int)((shoveComponents[3] * 3) + 0.5f) ) & 0x00000003 ); - packedPixel.asIntBuffer().put( index, (int)uint ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java deleted file mode 100644 index 5810b1ef6..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class Extract1555rev implements Extract { - - /** Creates a new instance of Extract1555rev */ - public Extract1555rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 00000000,00011111 == 0x001F - // 00000011,11100000 == 0x03E0 - // 01111100,00000000 == 0x7C00 - // 10000000,00000000 == 0x8000 - - extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; - extractComponents[1] = (float)( ( ushort & 0x003E ) >> 5 ) / 31.0f; - extractComponents[2] = (float)( ( ushort & 0x7C00 ) >> 10) / 31.0f; - extractComponents[3] = (float)( ( ushort & 0x8000 ) >> 15); - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 00000000,00011111 == 0x001F - // 00000011,11100000 == 0x03E0 - // 01111100,00000000 == 0x7C00 - // 10000000,00000000 == 0x8000 - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); - ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 5) & 0x000003E0 ); - ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 10) & 0x00007C00 ); - ushort |= (((int)((shoveComponents[3]) + 0.5f) << 15) & 0x00008000 ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java deleted file mode 100644 index 493f403e8..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class Extract2101010rev implements Extract { - - /** Creates a new instance of Extract2101010 */ - public Extract2101010rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - long uint = 0; - - if( isSwap ) { - uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); - } else { - uint = 0x00000000FFFFFFFF & packedPixel.getInt(); - } - - // 11111111,11000000,00000000,00000000 == 0xFFC00000 - // 00000000,00111111,11110000,00000000 == 0x003F0000 - // 00000000,00000000,00001111,11111100 == 0x00000FFC - // 00000000,00000000,00000000,00000011 == 0x00000003 - - extractComponents[0] = (float)( ( uint & 0x000003FF ) ) / 1023.0f; - extractComponents[1] = (float)( ( uint & 0x000FFC00 ) >> 10 ) / 1023.0f; - extractComponents[2] = (float)( ( uint & 0x3FF00000 ) >> 20 ) / 1023.0f; - extractComponents[3] = (float)( ( uint & 0xC0000000 ) >> 30 ) / 3.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) ) & 0x000003FF ); - uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 10) & 0x000FFC00 ); - uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 20) & 0x3FF00000 ); - uint |= (((int)((shoveComponents[3] * 3) + 0.5f) << 30) & 0xC0000000 ); - packedPixel.asIntBuffer().put( index, (int)uint ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java deleted file mode 100644 index b0a975307..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java +++ /dev/null @@ -1,85 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class Extract233rev implements Extract { - - /** Creates a new instance of Extract223rev */ - public Extract233rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - // 11100000 == 0xe0 - // 00011100 == 0x1c - // 00000011 == 0x03 - byte ubyte = packedPixel.get(); - extractComponents[0] = (float)((ubyte & 0x07) ) / 7.0f; - extractComponents[1] = (float)((ubyte & 0x38) >> 3) / 7.0f; - extractComponents[2] = (float)((ubyte & 0xC0) >> 6) / 3.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11100000 == 0xE0 - // 00011100 == 0x1C - // 00000011 == 0x03 - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - - // due to limited precision, need to round before shoving - byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) ) & 0x07 ); - b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 3 ) & 0x38 ); - b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) << 6 ) & 0xC0 ); - packedPixel.position( index ); - packedPixel.put( b ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java deleted file mode 100644 index 3c9594e9a..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java +++ /dev/null @@ -1,84 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class Extract332 implements Extract { - - /** Creates a new instance of Extract332 */ - public Extract332() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - // 11100000 == 0xe0 - // 00011100 == 0x1c - // 00000011 == 0x03 - byte ubyte = packedPixel.get(); - extractComponents[0] = (float)((ubyte & 0xe0) >> 5) / 7.0f; - extractComponents[1] = (float)((ubyte & 0x1c) >> 2) / 7.0f; - extractComponents[2] = (float)((ubyte & 0x03)) / 3.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11100000 == 0xE0 - // 00011100 == 0x1C - // 00000011 == 0x03 - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - - // due to limited precision, need to round before shoving - byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) << 5 ) & 0xE0 ); - b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 2 ) & 0x1C ); - b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) ) & 0x03 ); - packedPixel.put( index, b ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java deleted file mode 100644 index 03f74586d..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java +++ /dev/null @@ -1,96 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract4444 implements Extract { - - /** Creates a new instance of Extract4444 */ - public Extract4444() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - extractComponents[0] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; - extractComponents[1] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; - extractComponents[2] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; - extractComponents[3] = (float)( ( ushort & 0x000F ) ) / 15.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) << 12) & 0x0000F000 ); - ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 8) & 0x00000F00 ); - ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 4) & 0x000000F0 ); - ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) ) & 0x0000000F ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java deleted file mode 100644 index bf623e647..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract4444rev implements Extract { - - /** Creates a new instance of Extract4444rev */ - public Extract4444rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 00000000,00001111 == 0x000F - // 00000000,11110000 == 0x00F0 - // 00001111,00000000 == 0x0F00 - // 11110000,00000000 == 0xF000 - - extractComponents[0] = (float)( ( ushort & 0x000F ) ) / 15.0f; - extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; - extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; - extractComponents[3] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) ) & 0x0000000F ); - ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 4) & 0x000000F0 ); - ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 8) & 0x00000F00 ); - ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) << 12) & 0x0000F000 ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java deleted file mode 100644 index 81480f7ba..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract5551 implements Extract { - - /** Creates a new instance of Extract5551 */ - public Extract5551() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 11111000,00000000 == 0xF800 - // 00000111,11000000 == 0x07C0 - // 00000000,00111110 == 0x003E - // 00000000,00000001 == 0x0001 - - extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; - extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 6 ) / 31.0f; - extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 1 ) / 31.0f; - extractComponents[3] = (float)( ( ushort & 0xF000 ) ); - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); - ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 6) & 0x000007C0 ); - ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 1) & 0x0000003E ); - ushort |= (((int)((shoveComponents[3]) + 0.5f)) & 0x00000001 ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java deleted file mode 100644 index cf5e79969..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java +++ /dev/null @@ -1,92 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract565 implements Extract { - - /** Creates a new instance of Extract565 */ - public Extract565() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 11111000,00000000 == 0xF800 - // 00000111,11100000 == 0x07E0 - // 00000000,00111111 == 0x001F - - extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; - extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; - extractComponents[2] = (float)( ( ushort & 0x001F ) ) / 31.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11111000,00000000 == 0xF800 - // 00000111,11100000 == 0x07E0 - // 00000000,00111111 == 0x001F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); - ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); - ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) ) & 0x0000001F ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java deleted file mode 100644 index a810d8708..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java +++ /dev/null @@ -1,92 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract565rev implements Extract { - - /** Creates a new instance of Extract565rev */ - public Extract565rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - int ushort = 0; - - if( isSwap ) { - ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); - } else { - ushort = 0x0000FFFF & packedPixel.getShort(); - } - - // 00000000,00011111 == 0x001F - // 00000111,11100000 == 0x07E0 - // 11111000,00000000 == 0xF800 - - extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; - extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; - extractComponents[2] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 00000000,00111111 == 0x001F - // 00000111,11100000 == 0x07E0 - // 11111000,00000000 == 0xF800 - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - - // due to limited precision, need to round before shoving - int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); - ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); - ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 11) & 0x0000F800 ); - packedPixel.asShortBuffer().put( index, (short)ushort ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java deleted file mode 100644 index 0ae18ef13..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract8888 implements Extract { - - /** Creates a new instance of Extract8888 */ - public Extract8888() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - long uint = 0; - - if( isSwap ) { - uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); - } else { - uint = 0x00000000FFFFFFFF & packedPixel.getInt(); - } - - // 11111000,00000000 == 0xF800 - // 00000111,11000000 == 0x07C0 - // 00000000,00111110 == 0x003E - // 00000000,00000001 == 0x0001 - - extractComponents[0] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; - extractComponents[1] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; - extractComponents[2] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; - extractComponents[3] = (float)( ( uint & 0x000000FF ) ) / 255.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - long uint = (((int)((shoveComponents[0] * 255) + 0.5f) << 24) & 0xFF000000 ); - uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 16) & 0x00FF0000 ); - uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 8) & 0x0000FF00 ); - uint |= (((int)((shoveComponents[3] * 255) + 0.5f) ) & 0x000000FF ); - packedPixel.asIntBuffer().put( index, (int)uint ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java deleted file mode 100644 index 3b2286020..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Extract8888rev implements Extract { - - /** Creates a new instance of Extract8888rev */ - public Extract8888rev() { - } - - public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { - long uint = 0; - - if( isSwap ) { - uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); - } else { - uint = 0x00000000FFFFFFFF & packedPixel.getInt(); - } - - // 11111000,00000000 == 0xF800 - // 00000111,11000000 == 0x07C0 - // 00000000,00111110 == 0x003E - // 00000000,00000001 == 0x0001 - - extractComponents[0] = (float)( ( uint & 0x000000FF ) ) / 255.0f; - extractComponents[1] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; - extractComponents[2] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; - extractComponents[3] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; - } - - public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { - // 11110000,00000000 == 0xF000 - // 00001111,00000000 == 0x0F00 - // 00000000,11110000 == 0x00F0 - // 00000000,00001111 == 0x000F - - assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); - assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); - assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); - assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); - - // due to limited precision, need to round before shoving - long uint = (((int)((shoveComponents[0] * 255) + 0.5f) ) & 0x000000FF ); - uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 8) & 0x0000FF00 ); - uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 16) & 0x00FF0000 ); - uint |= (((int)((shoveComponents[3] * 255) + 0.5f) << 24) & 0xFF000000 ); - packedPixel.asIntBuffer().put( index, (int)uint ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java deleted file mode 100644 index 3776b48b2..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java +++ /dev/null @@ -1,74 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ExtractFloat implements ExtractPrimitive { - - /** Creates a new instance of ExtractFloat */ - public ExtractFloat() { - } - - public double extract( boolean isSwap, ByteBuffer data ) { - float f = 0; - if( isSwap ) { - f = Mipmap.GLU_SWAP_4_BYTES( data.getInt() ); - } else { - f = data.getInt(); - } - assert( f <= 1.0f ); - return( f ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < 1.0); - data.asFloatBuffer().put( index, (float)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java deleted file mode 100644 index 35b2e513b..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java +++ /dev/null @@ -1,56 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public interface ExtractPrimitive { - public double extract( boolean isSwap, ByteBuffer pointer ); - public void shove( double value, int index, ByteBuffer pointer ); -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java deleted file mode 100644 index 08d966c0c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java +++ /dev/null @@ -1,69 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class ExtractSByte implements ExtractPrimitive { - - /** Creates a new instance of ExtractUByte */ - public ExtractSByte() { - } - - public double extract( boolean isSwap, ByteBuffer sbyte ) { - byte b = sbyte.get(); - assert( b <= 127 ); - return( b ); - } - - public void shove( double value, int index, ByteBuffer data ) { - data.position( index ); - data.put( (byte)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java deleted file mode 100644 index f7642f5dd..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ExtractSInt implements ExtractPrimitive { - - /** Creates a new instance of ExtractSInt */ - public ExtractSInt() { - } - - public double extract( boolean isSwap, ByteBuffer uint ) { - int i = 0; - if( isSwap ) { - i = Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); - } else { - i = uint.getInt(); - } - assert( i <= 0x7FFFFFFF ); - return( i ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < Integer.MAX_VALUE); - IntBuffer ib = data.asIntBuffer(); - ib.position( index ); - ib.put( (int)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java deleted file mode 100644 index a20784c48..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ExtractSShort implements ExtractPrimitive { - - /** Creates a new instance of ExtractSShort */ - public ExtractSShort() { - } - - public double extract( boolean isSwap, ByteBuffer ushort ) { - short s = 0; - if( isSwap ) { - s = Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); - } else { - s = ushort.getShort(); - } - assert( s <= 32767 ); - return( s ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < 32768.0); - ShortBuffer sb = data.asShortBuffer(); - sb.position( index ); - sb.put( (short)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java deleted file mode 100644 index ed55ab1b6..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java +++ /dev/null @@ -1,70 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.ByteBuffer; - -/** - * - * @author Administrator - */ -public class ExtractUByte implements ExtractPrimitive { - - /** Creates a new instance of ExtractUByte */ - public ExtractUByte() { - } - - public double extract( boolean isSwap, ByteBuffer ubyte ) { - int i = 0x000000FF & ubyte.get(); - assert( i <= 255 ); - return( i ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < 256.0); - data.position( index ); - data.put( (byte)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java deleted file mode 100644 index 38c156f9c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ExtractUInt implements ExtractPrimitive { - - /** Creates a new instance of ExtractUInt */ - public ExtractUInt() { - } - - public double extract( boolean isSwap, ByteBuffer uint ) { - long i = 0; - if( isSwap ) { - i = 0xFFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); - } else { - i = 0xFFFFFFFF & uint.getInt(); - } - assert( i <= 0xFFFFFFFF ); - return( i ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < 0xFFFFFFFF); - IntBuffer ib = data.asIntBuffer(); - ib.position( index ); - ib.put( (int)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java deleted file mode 100644 index 5aba2763f..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ExtractUShort implements ExtractPrimitive { - - /** Creates a new instance of ExtracUShort */ - public ExtractUShort() { - } - - public double extract( boolean isSwap, ByteBuffer ushort ) { - int i = 0; - if( isSwap ) { - i = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); - } else { - i = 0x0000FFFF & ushort.getShort(); - } - assert( i <= 65535 ); - return( i ); - } - - public void shove( double value, int index, ByteBuffer data ) { - assert(0.0 <= value && value < 65536.0); - ShortBuffer sb = data.asShortBuffer(); - sb.position( index ); - sb.put( (short)value ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java deleted file mode 100644 index 40625ee07..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java +++ /dev/null @@ -1,1533 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import javax.media.opengl.GL; -import java.nio.*; - -/** - * - * @author Administrator - */ -public class HalveImage { - - private static final int BOX2 = 2; - private static final int BOX4 = 4; - private static final int BOX8 = 8; - - public static void halveImage( int components, int width, int height, - ShortBuffer datain, ShortBuffer dataout ) { - int i, j, k; - int newwidth, newheight; - int delta; - int t = 0; - short temp = 0; - - newwidth = width / 2; - newheight = height /2; - delta = width * components; - - // Piece of cake - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = datain.get(); - datain.position( t + components ); - temp += datain.get(); - datain.position( t + delta ); - temp += datain.get(); - datain.position( t + delta + components ); - temp +=datain.get(); - temp += 2; - temp /= 4; - dataout.put( temp ); - t++; - } - t += components; - } - t += delta; - } - } - - public static void halveImage_ubyte( int components, int width, int height, - ByteBuffer datain, ByteBuffer dataout, - int element_size, int ysize, int group_size ) { - int i, j, k; - int newwidth, newheight; - int s; - int t; - - // Handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_ubyte( components, width, height, datain, dataout, element_size, ysize, group_size ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - s = 0; - t = 0; - - int temp = 0; - // piece of cake - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = ( 0x000000FF & datain.get() ); - datain.position( t + group_size ); - temp += ( 0x000000FF & datain.get() ); - datain.position( t + ysize ); - temp += ( 0x000000FF & datain.get() ); - datain.position( t + ysize + group_size ); - temp += ( 0x000000FF & datain.get() ) + 2; - dataout.put( (byte)(temp / 4) ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - - public static void halve1Dimage_ubyte( int components, int width, int height, - ByteBuffer datain, ByteBuffer dataout, - int element_size, int ysize, int group_size ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - int temp = 0; - - assert( width == 1 || height == 1 ); // Must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // widthxheight can't be 1x1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - datain.position( src ); - temp = ( 0x000000FF & datain.get() ); - datain.position( src + group_size ); - temp += ( 0x000000FF & datain.get() ); - temp /= 2; - dataout.put( (byte)temp ); - /* - dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + - (0x000000FF & datain.setIndexInBytes( src + group_size ).getByte())) / 2 ) ); - */ - src += element_size; - //dataout.plusPlus(); - dest++; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { // 1 column - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - datain.position( src ); - temp = ( 0x000000FF & datain.get() ); - datain.position( src + ysize ); - temp += ( 0x000000FF & datain.get() ); - temp /= 2; - dataout.put( (byte)temp ); - /* - dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + - (0x000000FF & datain.setIndexInBytes(src + ysize).getByte()) ) / 2 ) ); - */ - src += element_size; - //dataout.plusPlus(); - dest++; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - } - assert( src == ysize * height ); - assert( dest == components * element_size * halfWidth * halfHeight ); - } - - public static void halveImage_byte( int components, int width, int height, - ByteBuffer datain, ByteBuffer dataout, int element_size, - int ysize, int group_size ) { - int i, j, k; - int newwidth, newheight; - int s = 0; - int t = 0; - byte temp = (byte)0; - - // handle case where there is only 1 column - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); - halve1Dimage_byte( components, width, height, datain, dataout, element_size, - ysize, group_size ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = datain.get(); - datain.position( t + group_size ); - temp += datain.get(); - datain.position( t + ysize ); - temp += datain.get(); - datain.position( t + ysize + group_size ); - temp += datain.get(); - temp += 2; - temp /= 4; - dataout.put( temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - - public static void halve1Dimage_byte( int components, int width, int height, - ByteBuffer datain, ByteBuffer dataout, - int element_size, int ysize, int group_size ) { - int halfWidth = width / 2; - int halfHeight = width / 2; - int src = 0; - int dest = 0; - int jj; - byte temp = (byte)0; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // widthxheight can't be 1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - datain.position( src ); - temp = datain.get(); - datain.position( src + group_size ); - temp += datain.get(); - temp /= 2; - dataout.put( temp ); - src += element_size; - dest++; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assert only - } else if( width == 1 ) { // 1 column - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); // widthxheight can't be 1 - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - datain.position( src ); - temp = datain.get(); - datain.position( src + ysize ); - temp += datain.get(); - temp /= 2; - src += element_size; - dest++; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == components * element_size * halfWidth * halfHeight ); - } - - public static void halveImage_ushort( int components, int width, int height, - ByteBuffer datain, ShortBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int i, j, k, l; - int newwidth, newheight; - int s = 0; - int t = 0; - int temp = 0; - // handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_ushort( components, width, height, datain, dataout, element_size, - ysize, group_size, myswap_bytes ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - // Piece of cake - if( !myswap_bytes ) { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = ( 0x0000FFFF & datain.getShort() ); - datain.position( t + group_size ); - temp += ( 0x0000FFFF & datain.getShort() ); - datain.position( t + ysize ); - temp += ( 0x0000FFFF & datain.getShort() ); - datain.position( t + ysize + group_size ); - temp += ( 0x0000FFFF & datain.getShort() ); - dataout.put( (short)( ( temp + 2 ) / 4 ) ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } else { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - datain.position( t + group_size ); - temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - datain.position( t + ysize ); - temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - datain.position( t + ysize + group_size ); - temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - dataout.put( (short)( ( temp + 2 ) / 4 ) ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - } - - public static void halve1Dimage_ushort( int components, int width, int height, - ByteBuffer datain, ShortBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // widthxheight can't be 1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < halfHeight; kk++ ) { - int[] ushort = new int[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - datain.position( src + group_size ); - ushort[1] = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - } else { - datain.position( src ); - ushort[0] = (0x0000FFFF & datain.getShort() ); - datain.position( src + group_size ); - ushort[1] = (0x0000FFFF & datain.getShort() ); - } - dataout.put( (short)( (ushort[0] + ushort[1]) / 2 ) ); - src += element_size; - dest += 2; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { // 1 column - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); // widthxheight can't be 1 - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - int[] ushort = new int[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - datain.position( src + ysize ); - ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); - } else { - datain.position( src ); - ushort[0] = ( 0x0000FFFF & datain.getShort() ); - datain.position( src + ysize ); - ushort[1] = ( 0x0000FFFF & datain.getShort() ); - } - dataout.put( (short)((ushort[0] + ushort[1]) / 2) ); - src += element_size; - dest += 2; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == components * element_size * halfWidth * halfHeight ); - } - - public static void halveImage_short( int components, int width, int height, - ByteBuffer datain, ShortBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int i, j, k, l; - int newwidth, newheight; - int s = 0; - int t = 0; - short temp = (short)0; - // handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_short( components, width, height, datain, dataout, element_size, - ysize, group_size, myswap_bytes ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - // Piece of cake - if( !myswap_bytes ) { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = datain.getShort(); - datain.position( t + group_size ); - temp += datain.getShort(); - datain.position( t + ysize ); - temp += datain.getShort(); - datain.position( t + ysize + group_size ); - temp += datain.getShort(); - temp += 2; - temp /= 4; - dataout.put( (short)temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } else { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - short b; - int buf; - datain.position( t ); - temp = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - datain.position( t + group_size ); - temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - datain.position( t + ysize ); - temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - datain.position( t + ysize + group_size ); - temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - temp += 2; - temp /= 4; - dataout.put( temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - } - - public static void halve1Dimage_short( int components, int width, int height, - ByteBuffer datain, ShortBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // can't be 1x1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - short[] sshort = new short[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - datain.position( src + group_size ); - sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - } else { - datain.position( src ); - sshort[0] = datain.getShort(); - datain.position( src + group_size ); - sshort[1] = datain.getShort(); - } - dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); - src += element_size; - dest += 2; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - short[] sshort = new short[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - datain.position( src + ysize ); - sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - } else { - datain.position( src ); - sshort[0] = datain.getShort(); - datain.position( src + ysize ); - sshort[1] = datain.getShort(); - } - dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); - src += element_size; - dest += 2; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == ( components * element_size * halfWidth * halfHeight ) ); - } - - public static void halveImage_uint( int components, int width, int height, - ByteBuffer datain, IntBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int i, j, k, l; - int newwidth, newheight; - int s = 0; - int t = 0; - double temp = 0; - - // handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_uint( components, width, height, datain, dataout, element_size, - ysize, group_size, myswap_bytes ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - // Piece of cake - if( !myswap_bytes ) { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = (0x000000007FFFFFFFL & datain.getInt() ); - datain.position( t + group_size ); - temp += (0x000000007FFFFFFFL & datain.getInt() ); - datain.position( t + ysize ); - temp += (0x000000007FFFFFFFL & datain.getInt() ); - datain.position( t + ysize + group_size ); - temp += (0x000000007FFFFFFFL & datain.getInt() ); - dataout.put( (int)( ( temp / 4 ) + 0.5 ) ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } else { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - // need to cast to double to hold large unsigned ints - double buf; - datain.position( t ); - buf = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( t + group_size ); - buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( t + ysize ); - buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( t + ysize + group_size ); - buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - temp /= 4; - temp += 0.5; - dataout.put( (int)temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - } - - public static void halve1Dimage_uint( int components, int width, int height, - ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // widthxheight can't be 1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < halfHeight; kk++ ) { - long[] uint = new long[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( src + group_size ); - uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - } else { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); - datain.position( src + group_size ); - uint[1] = (0x00000000FFFFFFFF & datain.getInt() ); - } - dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); - src += element_size; - dest += 4; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { // 1 column - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); // widthxheight can't be 1 - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - long[] uint = new long[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( src + group_size ); - uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - } else { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); - datain.position( src + ysize ); - uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); - } - dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); - src += element_size; - dest += 4; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == components * element_size * halfWidth * halfHeight ); - } - - public static void halveImage_int( int components, int width, int height, - ByteBuffer datain, IntBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int i, j, k, l; - int newwidth, newheight; - int s = 0; - int t = 0; - int temp = 0; - - // handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_int( components, width, height, datain, dataout, element_size, - ysize, group_size, myswap_bytes ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - // Piece of cake - if( !myswap_bytes ) { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = datain.getInt(); - datain.position( t + group_size ); - temp += datain.getInt(); - datain.position( t + ysize ); - temp += datain.getInt(); - datain.position( t + ysize + group_size ); - temp += datain.getInt(); - temp = (int)( ( temp / 4.0f ) + 0.5f ); - dataout.put( temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } else { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - long b; - float buf; - datain.position( t ); - b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - buf = b; - datain.position( t + group_size ); - b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - buf += b; - datain.position( t + ysize ); - b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - buf += b; - datain.position( t + ysize + group_size ); - b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - buf += b; - dataout.put( (int)( ( buf / 4.0f ) + 0.5f ) ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - } - - public static void halve1Dimage_int( int components, int width, int height, - ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // can't be 1x1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - long[] uint = new long[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( src + group_size ); - uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - } else { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); - datain.position( src + group_size ); - uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); - } - dataout.put( (int)( ( (float)uint[0] + (float)uint[1] ) / 2.0f) ); - src += element_size; - dest += 4; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - long[] uint = new long[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - datain.position( src + ysize ); - uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); - } else { - datain.position( src ); - uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); - datain.position( src + ysize ); - uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); - } - dataout.put( (int)(( (float)uint[0] + (float)uint[1] ) / 2.0f) ); - src += element_size; - dest += 4; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == ( components * element_size * halfWidth * halfHeight ) ); - } - - public static void halveImage_float( int components, int width, int height, - ByteBuffer datain, FloatBuffer dataout, int element_size, - int ysize, int group_size, boolean myswap_bytes ) { - int i, j, k, l; - int newwidth, newheight; - int s = 0; - int t = 0; - float temp = 0.0f; - // handle case where there is only 1 column/row - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); // can't be 1x1 - halve1Dimage_float( components, width, height, datain, dataout, element_size, - ysize, group_size, myswap_bytes ); - return; - } - - newwidth = width / 2; - newheight = height / 2; - - // Piece of cake - if( !myswap_bytes ) { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - datain.position( t ); - temp = datain.getFloat(); - datain.position( t + group_size ); - temp += datain.getFloat(); - datain.position( t + ysize ); - temp += datain.getFloat(); - datain.position( t + ysize + group_size ); - temp /= 4.0f; - dataout.put( temp ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } else { - for( i = 0; i < newheight; i++ ) { - for( j = 0; j < newwidth; j++ ) { - for( k = 0; k < components; k++ ) { - float buf; - datain.position( t ); - buf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - datain.position( t + group_size ); - buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - datain.position( t + ysize ); - buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - datain.position( t + ysize + group_size ); - buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - dataout.put( buf / 4.0f ); - t += element_size; - } - t += group_size; - } - t += ysize; - } - } - } - - public static void halve1Dimage_float( int components, int width, int height, - ByteBuffer datain, FloatBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int dest = 0; - int jj; - - assert( width == 1 || height == 1 ); // must be 1D - assert( width != height ); // can't be square - - if( height == 1 ) { // 1 row - assert( width != 1 ); // can't be 1x1 - halfHeight = 1; - - for( jj = 0; jj < halfWidth; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - float[] sfloat = new float[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - datain.position( src + group_size ); - sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - } else { - datain.position( src ); - sfloat[0] = datain.getFloat(); - datain.position( src + group_size ); - sfloat[1] = datain.getFloat(); - } - dataout.put( (sfloat[0] + sfloat[1]) / 2.0f ); - src += element_size; - dest += 4; - } - src += group_size; // skip to next 2 - } - int padBytes = ysize - ( width * group_size ); - src += padBytes; // for assertion only - } else if( width == 1 ) { - int padBytes = ysize - ( width * group_size ); - assert( height != 1 ); - halfWidth = 1; - // one vertical column with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - int kk; - for( kk = 0; kk < components; kk++ ) { - float[] sfloat = new float[BOX2]; - if( myswap_bytes ) { - datain.position( src ); - sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - datain.position( src + ysize ); - sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - } else { - datain.position( src ); - sfloat[0] = datain.getFloat(); - datain.position( src + ysize ); - sfloat[1] = datain.getFloat(); - } - dataout.put( ( sfloat[0] + sfloat[1] ) / 2.0f ); - src += element_size; - dest += 4; - } - src += padBytes; // add pad bytes, if any, to get to end of row - src += ysize; - } - assert( src == ysize * height ); - } - assert( dest == ( components * element_size * halfWidth * halfHeight ) ); - } - - public static void halveImagePackedPixel( int components, Extract extract, int width, - int height, ByteBuffer datain, ByteBuffer dataout, - int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { - if( width == 1 || height == 1 ) { - assert( !( width == 1 && height == 1 ) ); - halve1DimagePackedPixel( components, extract, width, height, datain, dataout, - pixelSizeInBytes, rowSizeInBytes, isSwap ); - return; - } - int ii, jj; - - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); - int outIndex = 0; - - for( ii = 0; ii < halfHeight; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - float totals[] = new float[4]; - float extractTotals[][] = new float[BOX4][4]; - int cc; - - datain.position( src ); - extract.extract( isSwap, datain, extractTotals[0] ); - datain.position( src + pixelSizeInBytes ); - extract.extract( isSwap, datain, extractTotals[1] ); - datain.position( src + rowSizeInBytes ); - extract.extract( isSwap, datain, extractTotals[2] ); - datain.position( src + rowSizeInBytes + pixelSizeInBytes ); - extract.extract( isSwap, datain, extractTotals[3] ); - for( cc = 0; cc < components; cc++ ) { - int kk = 0; - // grab 4 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX4; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= BOX4; - } - extract.shove( totals, outIndex, dataout ); - outIndex++; - src += pixelSizeInBytes + pixelSizeInBytes; - } - // skip past pad bytes, if any, to get to next row - src += padBytes; - src += rowSizeInBytes; - } - assert( src == rowSizeInBytes * height ); - assert( outIndex == halfWidth * halfHeight ); - } - - public static void halve1DimagePackedPixel( int components, Extract extract, int width, - int height, ByteBuffer datain, ByteBuffer dataout, - int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { - int halfWidth = width / 2; - int halfHeight = height / 2; - int src = 0; - int jj; - - assert( width == 1 || height == 1 ); - assert( width != height ); - - if( height == 1 ) { - int outIndex = 0; - - assert( width != 1 ); - halfHeight = 1; - - // one horizontal row with possible pad bytes - - for( jj = 0; jj < halfWidth; jj++ ) { - float[] totals = new float[4]; - float[][] extractTotals = new float[BOX2][4]; - int cc; - - datain.position( src ); - extract.extract( isSwap, datain, extractTotals[0] ); - datain.position( src + pixelSizeInBytes ); - extract.extract( isSwap, datain, extractTotals[1] ); - for( cc = 0; cc < components; cc++ ) { - int kk = 0; - // grab 4 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX2; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= BOX2; - } - extract.shove( totals, outIndex, dataout ); - outIndex++; - // skip over to next group of 2 - src += pixelSizeInBytes + pixelSizeInBytes; - } - int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); - src += padBytes; - - assert( src == rowSizeInBytes ); - assert( outIndex == halfWidth * halfHeight ); - } else if( width == 1 ) { - int outIndex = 0; - - assert( height != 1 ); - halfWidth = 1; - // one vertical volumn with possible pad bytes per row - // average two at a time - - for( jj = 0; jj < halfHeight; jj++ ) { - float[] totals = new float[4]; - float[][] extractTotals = new float[BOX2][4]; - int cc; - // average two at a time, instead of four - datain.position( src ); - extract.extract( isSwap, datain, extractTotals[0] ); - datain.position( src + rowSizeInBytes ); - extract.extract( isSwap, datain, extractTotals[1] ); - for( cc = 0; cc < components; cc++ ) { - int kk = 0; - // grab 4 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX2; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= BOX2; - } - extract.shove( totals, outIndex, dataout ); - outIndex++; - // skip over to next group of 2 - src += rowSizeInBytes + rowSizeInBytes; - } - assert( src == rowSizeInBytes ); - assert( outIndex == halfWidth * halfHeight ); - } - } - - public static void halveImagePackedPixelSlice( int components, Extract extract, - int width, int height, int depth, ByteBuffer dataIn, - ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, - int imageSizeInBytes, boolean isSwap ) { - int ii, jj; - int halfWidth = width / 2; - int halfHeight = height / 2; - int halfDepth = depth / 2; - int src = 0; - int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); - int outIndex = 0; - - assert( (width == 1 || height == 1) && depth >= 2 ); - - if( width == height ) { - assert( width == 1 && height == 1 ); - assert( depth >= 2 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - float totals[] = new float[4]; - float extractTotals[][] = new float[BOX2][4]; - int cc; - - dataIn.position( src ); - extract.extract( isSwap, dataIn, extractTotals[0] ); - dataIn.position( src + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[1] ); - - for( cc = 0; cc < components; cc++ ) { - int kk; - - // average only 2 pixels since a column - totals[cc]= 0.0f; - for( kk = 0; kk < BOX2; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= BOX2; - } // for cc - - extract.shove( totals, outIndex, dataOut ); - outIndex++; - // skip over to next group of 2 - src += imageSizeInBytes + imageSizeInBytes; - } // for ii - } else if( height == 1 ) { - assert( width != 1 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - float totals[] = new float[4]; - float extractTotals[][] = new float[BOX4][4]; - int cc; - - dataIn.position( src ); - extract.extract( isSwap, dataIn, extractTotals[0] ); - dataIn.position( src + pixelSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[1] ); - dataIn.position( src + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[2] ); - dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[3] ); - - for( cc = 0; cc < components; cc++ ) { - int kk; - - // grab 4 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX4; kk++ ) { - totals[cc]+= extractTotals[kk][cc]; - } - totals[cc]/= (float)BOX4; - } - extract.shove( totals, outIndex, dataOut ); - outIndex++; - // skip over to next horizontal square of 4 - src += imageSizeInBytes + imageSizeInBytes; - } - } - } else if( width == 1 ) { - assert( height != 1 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - float totals[] = new float[4]; - float extractTotals[][] = new float[BOX4][4]; - int cc; - - dataIn.position( src ); - extract.extract( isSwap, dataIn, extractTotals[0] ); - dataIn.position( src + rowSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[1] ); - dataIn.position( src + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[2] ); - dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[3] ); - - for( cc = 0; cc < components; cc++ ) { - int kk; - - // grab 4 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX4; kk++ ) { - totals[cc]+= extractTotals[kk][cc]; - } - totals[cc]/= (float)BOX4; - } - extract.shove( totals, outIndex, dataOut ); - outIndex++; - // skip over to next horizontal square of 4 - src += imageSizeInBytes + imageSizeInBytes; - } - } - } - } - - public static void halveImageSlice( int components, ExtractPrimitive extract, int width, - int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, - int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, - int imageSizeInBytes, boolean isSwap ) { - int ii, jj; - int halfWidth = width / 2; - int halfHeight = height / 2; - int halfDepth = depth / 2; - int src = 0; - int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); - int outIndex = 0; - - assert( (width == 1 || height == 1) && depth >= 2 ); - - if( width == height ) { - assert( width == 1 && height == 1 ); - assert( depth >= 2 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - int cc; - for( cc = 0; cc < components; cc++ ) { - double[] totals = new double[4]; - double[][] extractTotals = new double[BOX2][4]; - int kk; - - dataIn.position( src ); - extractTotals[0][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes ); - extractTotals[1][cc] = extract.extract( isSwap, dataIn ); - - // average 2 pixels since only a column - totals[cc] = 0.0f; - // totals[red] = extractTotals[0][red] + extractTotals[1][red]; - // totals[red] = red / 2; - for( kk = 0; kk < BOX2; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= (double)BOX2; - - extract.shove( totals[cc], outIndex, dataOut ); - outIndex++; - src += elementSizeInBytes; - } // for cc - // skip over next group of 2 - src += rowSizeInBytes; - } // for ii - - assert( src == rowSizeInBytes * height * depth ); - assert( outIndex == halfDepth * components ); - } else if( height == 1 ) { - assert( width != 1 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - int cc; - for( cc = 0; cc < components; cc++ ) { - int kk; - double totals[] = new double[4]; - double extractTotals[][] = new double[BOX4][4]; - - dataIn.position( src ); - extractTotals[0][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + groupSizeInBytes ); - extractTotals[1][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes ); - extractTotals[2][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); - extractTotals[3][cc] = extract.extract( isSwap, dataIn ); - - // grab 4 pixels to average - totals[cc] = 0.0f; - // totals[red] = extractTotals[0][red] + extractTotals[1][red] + - // extractTotals[2][red] + extractTotals[3][red]; - // totals[red] /= (double)BOX4; - for( kk = 0; kk < BOX4; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= (double)BOX4; - - extract.shove( totals[cc], outIndex, dataOut ); - outIndex++; - src += elementSizeInBytes; - } // for cc - // skip over to next horizontal square of 4 - src += elementSizeInBytes; - } // for jj - src += padBytes; - src += rowSizeInBytes; - } // for ii - assert( src == rowSizeInBytes * height * depth ); - assert( outIndex == halfWidth * halfDepth * components ); - } else if( width == 1 ) { - assert( height != 1 ); - - for( ii = 0; ii < halfDepth; ii++ ) { - for( jj = 0; jj < halfHeight; jj++ ) { - int cc; - for( cc = 0; cc < components; cc++ ) { - int kk; - double totals[] = new double[4]; - double extractTotals[][] = new double[BOX4][4]; - - dataIn.position( src ); - extractTotals[0][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + rowSizeInBytes ); - extractTotals[1][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes ); - extractTotals[2][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); - extractTotals[3][cc] = extract.extract( isSwap, dataIn ); - - - // grab 4 pixels to average - totals[cc] = 0.0f; - // totals[red] = extractTotals[0][red] + extractTotals[1][red] + - // extractTotals[2][red] + extractTotals[3][red]; - // totals[red] /= (double)BOX4; - for( kk = 0; kk < BOX4; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= (double)BOX4; - - extract.shove( totals[cc], outIndex, dataOut ); - outIndex++; - src += elementSizeInBytes; - } // for cc - // skip over to next horizontal square of 4 - src += padBytes; - src += rowSizeInBytes; - } // for jj - src += imageSizeInBytes; - } // for ii - assert( src == rowSizeInBytes * height * depth ); - assert( outIndex == halfWidth * halfDepth * components ); - } - } - - public static void halveImage3D( int components, ExtractPrimitive extract, - int width, int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, - int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, - int imageSizeInBytes, boolean isSwap ) { - assert( depth > 1 ); - - // horizontal/vertical/onecolumn slice viewed from top - if( width == 1 || height == 1 ) { - assert( 1 <= depth ); - - halveImageSlice( components, extract, width, height, depth, dataIn, dataOut, - elementSizeInBytes, groupSizeInBytes, rowSizeInBytes, imageSizeInBytes, - isSwap ); - return; - } - - int ii, jj, dd; - - int halfWidth = width / 2; - int halfHeight = height / 2; - int halfDepth = depth / 2; - int src = 0; - int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); - int outIndex = 0; - - for( dd = 0; dd < halfDepth; dd++ ) { - for( ii = 0; ii < halfHeight; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - int cc; - for( cc = 0; cc < components; cc++ ) { - int kk; - double totals[] = new double[4]; - double extractTotals[][] = new double[BOX8][4]; - - dataIn.position( src ); - extractTotals[0][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + groupSizeInBytes ); - extractTotals[1][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + rowSizeInBytes ); - extractTotals[2][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + rowSizeInBytes + groupSizeInBytes ); - extractTotals[3][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + imageSizeInBytes ); - extractTotals[4][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + groupSizeInBytes + imageSizeInBytes ); - extractTotals[5][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); - extractTotals[6][cc] = extract.extract( isSwap, dataIn ); - dataIn.position( src + rowSizeInBytes + imageSizeInBytes + groupSizeInBytes ); - extractTotals[7][cc] = extract.extract( isSwap, dataIn ); - - totals[cc] = 0.0f; - - for( kk = 0; kk < BOX8; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= (double)BOX8; - - extract.shove( totals[cc], outIndex, dataOut ); - outIndex++; - - src += elementSizeInBytes; - } // for cc - // skip over to next square of 4 - src += groupSizeInBytes; - } // for jj - // skip past pad bytes, if any, to get to next row - src += padBytes; - src += rowSizeInBytes; - } // for ii - src += imageSizeInBytes; - } // for dd - assert( src == rowSizeInBytes * height * depth ); - assert( outIndex == halfWidth * halfHeight * halfDepth * components ); - } - - public static void halveImagePackedPixel3D( int components, Extract extract, - int width, int height, int depth, ByteBuffer dataIn, - ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, - int imageSizeInBytes, boolean isSwap ) { - if( depth == 1 ) { - assert( 1 <= width && 1 <= height ); - - halveImagePackedPixel( components, extract, width, height, dataIn, dataOut, - pixelSizeInBytes, rowSizeInBytes, isSwap ); - return; - } else if( width == 1 || height == 1 ) { // a horizontal or vertical slice viewed from top - assert( 1 <= depth ); - - halveImagePackedPixelSlice( components, extract, width, height, depth, dataIn, - dataOut, pixelSizeInBytes, rowSizeInBytes, imageSizeInBytes, isSwap ); - return; - } - int ii, jj, dd; - - int halfWidth = width / 2; - int halfHeight = height / 2; - int halfDepth = depth / 2; - int src = 0; - int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); - int outIndex = 0; - - for( dd = 0; dd < halfDepth; dd++ ) { - for( ii = 0; ii < halfHeight; ii++ ) { - for( jj = 0; jj < halfWidth; jj++ ) { - float totals[] = new float[4]; // 4 is max components - float extractTotals[][] = new float[BOX8][4]; - int cc; - - dataIn.position( src ); - extract.extract( isSwap, dataIn, extractTotals[0] ); - dataIn.position( src + pixelSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[1] ); - dataIn.position( src + rowSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[2] ); - dataIn.position( src + rowSizeInBytes + pixelSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[3] ); - dataIn.position( src + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[4] ); - dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[5] ); - dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[6] ); - dataIn.position( src + rowSizeInBytes + pixelSizeInBytes + imageSizeInBytes ); - extract.extract( isSwap, dataIn, extractTotals[7] ); - - for( cc = 0; cc < components; cc++ ) { - int kk; - // grab 8 pixels to average - totals[cc] = 0.0f; - for( kk = 0; kk < BOX8; kk++ ) { - totals[cc] += extractTotals[kk][cc]; - } - totals[cc] /= (float)BOX8; - } - extract.shove( totals, outIndex, dataOut ); - outIndex++; - // skip over to next square of 4 - src += pixelSizeInBytes + pixelSizeInBytes; - } - // skip past pad bytes, if any, to get to next row - src += padBytes; - src += rowSizeInBytes; - } - src += imageSizeInBytes; - } - assert( src == rowSizeInBytes * height * depth ); - assert( outIndex == halfWidth * halfHeight * halfDepth ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Image.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Image.java deleted file mode 100644 index 192544205..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Image.java +++ /dev/null @@ -1,1413 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Image { - - /** Creates a new instance of Image */ - public Image() { - } - - public static short getShortFromByteArray( byte[] array, int index ) { - short s; - s = (short)(array[index] << 8 ); - s |= (short)(0x00FF & array[index+1]); - return( s ); - } - - public static int getIntFromByteArray( byte[] array, int index ) { - int i; - i = ( array[index] << 24 ) & 0xFF000000; - i |= ( array[index+1] << 16 ) & 0x00FF0000; - i |= ( array[index+2] << 8 ) & 0x0000FF00; - i |= ( array[index+3] ) & 0x000000FF; - return( i ); - } - - public static float getFloatFromByteArray( byte[] array, int index ) { - int i = getIntFromByteArray( array, index ); - return( Float.intBitsToFloat(i) ); - } - - /* - * Extract array from user's data applying all pixel store modes. - * The internal format used is an array of unsigned shorts. - */ - public static void fill_image( PixelStorageModes psm, int width, int height, - int format, int type, boolean index_format, ByteBuffer userdata, - ShortBuffer newimage ) { - int components; - int element_size; - int rowsize; - int padding; - int groups_per_line; - int group_size; - int elements_per_line; - int start; - int iter = 0; - int iter2; - int i, j, k; - boolean myswap_bytes; - - // Create a Extract interface object - Extract extract = null; - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - extract = new Extract332(); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - extract = new Extract233rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - extract = new Extract565(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - extract = new Extract565rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - extract = new Extract4444(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - extract = new Extract4444rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - extract = new Extract5551(); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - extract = new Extract1555rev(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - extract = new Extract8888(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - extract = new Extract8888rev(); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - extract = new Extract1010102(); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract = new Extract2101010rev(); - break; - } - - myswap_bytes = psm.getUnpackSwapBytes(); - components = Mipmap.elements_per_group( format, type ); - if( psm.getUnpackRowLength() > 0 ) { - groups_per_line = psm.getUnpackRowLength(); - } else { - groups_per_line = width; - } - - // All formats except GL_BITMAP fall out trivially - if( type == GL2.GL_BITMAP ) { - int bit_offset; - int current_bit; - - rowsize = ( groups_per_line * components + 7 ) / 8; - padding = ( rowsize % psm.getUnpackAlignment() ); - if( padding != 0 ) { - rowsize += psm.getUnpackAlignment() - padding; - } - start = psm.getUnpackSkipRows() * rowsize + ( psm.getUnpackSkipPixels() * components / 8 ); - elements_per_line = width * components; - iter2 = 0; - for( i = 0; i < height; i++ ) { - iter = start; - userdata.position( iter ); // **************************************** - bit_offset = (psm.getUnpackSkipPixels() * components) % 8; - for( j = 0; j < elements_per_line; j++ ) { - // retrieve bit - if( psm.getUnpackLsbFirst() ) { - userdata.position( iter ); - current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << bit_offset );//userdata[iter] & ( 1 << bit_offset ); - } else { - current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << ( 7 - bit_offset ) ); - } - if( current_bit != 0 ) { - if( index_format ) { - newimage.position( iter2 ); - newimage.put( (short)1 ); - } else { - newimage.position( iter2 ); - newimage.put( (short)65535 ); - } - } else { - newimage.position( iter2 ); - newimage.put( (short)0 ); - } - bit_offset++; - if( bit_offset == 8 ) { - bit_offset = 0; - iter++; - } - iter2++; - } - start += rowsize; - } - } else { - element_size = Mipmap.bytes_per_element( type ); - group_size = element_size * components; - if( element_size == 1 ) { - myswap_bytes = false; - } - - rowsize = groups_per_line * group_size; - padding = ( rowsize % psm.getUnpackAlignment() ); - if( padding != 0 ) { - rowsize += psm.getUnpackAlignment() - padding; - } - start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; - elements_per_line = width * components; - - iter2 = 0; - for( i = 0; i < height; i++ ) { - iter = start; - userdata.position( iter ); //*************************************** - for( j = 0; j < elements_per_line; j++ ) { - Type_Widget widget = new Type_Widget(); - float[] extractComponents = new float[4]; - userdata.position( iter ); - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); - for( k = 0; k < 3; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); - for( k = 0; k < 3; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_BYTE ): - if( index_format ) { - newimage.put( iter2++, (short)( 0x000000FF & userdata.get() ) );//userdata[iter]; - } else { - newimage.put( iter2++, (short)( 0x000000FF & userdata.get()/*userdata[iter]*/ * 257 ) ); - } - break; - case( GL2.GL_BYTE ): - if( index_format ) { - newimage.put( iter2++, userdata.get() ); //userdata[iter]; - } else { - newimage.put( iter2++, (short)(userdata.get()/*userdata[iter]*/ * 516 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - extract.extract( myswap_bytes, userdata/*userdata[iter]*/, extractComponents ); - for( k = 0; k < 3; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 3; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - if( myswap_bytes ) { - widget.setUB1( userdata.get() ); - widget.setUB0( userdata.get() ); - } else { - widget.setUB0( userdata.get() ); - widget.setUB1( userdata.get() ); - } - if( type == GL2.GL_SHORT ) { - if( index_format ) { - newimage.put( iter2++, widget.getS0() ); - } else { - newimage.put( iter2++, (short)(widget.getS0() * 2) ); - } - } else { - newimage.put( iter2++, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract.extract( myswap_bytes, userdata, extractComponents ); - for( k = 0; k < 4; k++ ) { - newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_FLOAT ): - if( myswap_bytes ) { - widget.setUB3( userdata.get() ); - widget.setUB2( userdata.get() ); - widget.setUB1( userdata.get() ); - widget.setUB0( userdata.get() ); - } else { - widget.setUB0( userdata.get() ); - widget.setUB1( userdata.get() ); - widget.setUB2( userdata.get() ); - widget.setUB3( userdata.get() ); - } - if( type == GL2.GL_FLOAT ) { - if( index_format ) { - newimage.put( iter2++, (short)widget.getF() ); - } else { - newimage.put( iter2++, (short)(widget.getF() * 65535 ) ); - } - } else if( type == GL2.GL_UNSIGNED_INT ) { - if( index_format ) { - newimage.put( iter2++, (short)( widget.getUI() ) ); - } else { - newimage.put( iter2++, (short)( widget.getUI() >> 16 ) ); - } - } else { - if( index_format ) { - newimage.put( iter2++, (short)( widget.getI() ) ); - } else { - newimage.put( iter2++, (short)( widget.getI() >> 15 ) ); - } - } - break; - } - iter += element_size; - } // for j - start += rowsize; - // want iter pointing at start, not within, row for assertion purposes - iter = start; - } // for i - - // iterators should be one byte past end - if( !Mipmap.isTypePackedPixel( type ) ) { - assert( iter2 == ( width * height * components ) ); - } else { - assert( iter2 == ( width * height * Mipmap.elements_per_group( format, 0 ) ) ); - } - assert( iter == ( rowsize * height + psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size ) ); - } - } - - /* - * Insert array into user's data applying all pixel store modes. - * Theinternal format is an array of unsigned shorts. - * empty_image() because it is the opposet of fill_image(). - */ - public static void empty_image( PixelStorageModes psm, int width, int height, - int format, int type, boolean index_format, - ShortBuffer oldimage, ByteBuffer userdata ) { - - int components; - int element_size; - int rowsize; - int padding; - int groups_per_line; - int group_size; - int elements_per_line; - int start; - int iter = 0; - int iter2; - int i, j, k; - boolean myswap_bytes; - - // Create a Extract interface object - Extract extract = null; - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - extract = new Extract332(); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - extract = new Extract233rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - extract = new Extract565(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - extract = new Extract565rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - extract = new Extract4444(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - extract = new Extract4444rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - extract = new Extract5551(); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - extract = new Extract1555rev(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - extract = new Extract8888(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - extract = new Extract8888rev(); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - extract = new Extract1010102(); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract = new Extract2101010rev(); - break; - } - - myswap_bytes = psm.getPackSwapBytes(); - components = Mipmap.elements_per_group( format, type ); - if( psm.getPackRowLength() > 0 ) { - groups_per_line = psm.getPackRowLength(); - } else { - groups_per_line = width; - } - - // all formats except GL_BITMAP fall out trivially - if( type == GL2.GL_BITMAP ) { - int bit_offset; - int current_bit; - - rowsize = ( groups_per_line * components + 7 ) / 8; - padding = ( rowsize % psm.getPackAlignment() ); - if( padding != 0 ) { - rowsize += psm.getPackAlignment() - padding; - } - start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * components / 8; - elements_per_line = width * components; - iter2 = 0; - for( i = 0; i < height; i++ ) { - iter = start; - bit_offset = ( psm.getPackSkipPixels() * components ) % 8; - for( j = 0; j < elements_per_line; j++ ) { - if( index_format ) { - current_bit = oldimage.get( iter2 ) & 1; - } else { - if( oldimage.get( iter2 ) < 0 ) { // must check for negative rather than 32767 - current_bit = 1; - } else { - current_bit = 0; - } - } - - if( current_bit != 0 ) { - if( psm.getPackLsbFirst() ) { - userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 1 << bit_offset ) ) ) ); - } else { - userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 7 - bit_offset ) ) ) ); - } - } else { - if( psm.getPackLsbFirst() ) { - //userdata[iter] &= ~( 1 << bit_offset ); - userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 1 << bit_offset ) ) ) ); - } else { - //userdata[iter] &= ~( 1 << ( 7 - bit_offset ) ); - userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 7 - bit_offset ) ) ) ); - } - } - - bit_offset++; - if( bit_offset == 8 ) { - bit_offset = 0; - iter++; - } - iter2++; - } - start += rowsize; - } - } else { - float shoveComponents[] = new float[4]; - - element_size = Mipmap.bytes_per_element( type ); - group_size = element_size * components; - if( element_size == 1 ) { - myswap_bytes = false; - } - - rowsize = groups_per_line * group_size; - padding = ( rowsize % psm.getPackAlignment() ); - if( padding != 0 ) { - rowsize += psm.getPackAlignment() - padding; - } - start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size; - elements_per_line = width * components; - - iter2 = 0; - for( i = 0; i < height; i++ ) { - iter = start; - for( j = 0; j < elements_per_line; j++ ) { - Type_Widget widget = new Type_Widget(); - - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, userdata ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; - } - extract.shove( shoveComponents, 0, userdata ); - break; - case( GL2.GL_UNSIGNED_BYTE ): - if( index_format ) { - //userdata[iter] = (byte)oldimage[iter2++]; - userdata.put( iter, (byte)oldimage.get(iter2++) ); - } else { - //userdata[iter] = (byte)( oldimage[iter2++] >> 8 ); - userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); - } - break; - case( GL2.GL_BYTE ): - if( index_format ) { - //userdata[iter] = (byte)oldimage[iter2++]; - userdata.put( iter, (byte)oldimage.get(iter2++) ); - } else { - //userdata[iter] = (byte)( oldimage[iter2++] >> 9 ); - userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1,widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter+1] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - if( type == GL2.GL_SHORT ) { - if( index_format ) { - widget.setS0( oldimage.get( iter2++ ) ); - } else { - widget.setS0( (short)(oldimage.get( iter2++ ) >> 1) ); - } - } else { - widget.setUS0( oldimage.get( iter2++ ) ); - } - if( myswap_bytes ) { - //userdata[iter] = widget.getUB1(); - //userdata[iter+1] = widget.getUB0(); - userdata.put( iter, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB0() ); - } else { - //userdata[iter] = widget.getUB0(); - //userdata[iter] = widget.getUB1(); - userdata.put( iter, widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter+3] = widget.getUB0(); - //userdata[iter+2] = widget.getUB1(); - //userdata[iter+1] = widget.getUB2(); - //userdata[iter ] = widget.getUB3(); - userdata.put( iter + 3, widget.getUB0() ); - userdata.put( iter + 2, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB2() ); - userdata.put( iter , widget.getUB3() ); - } else { - userdata.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter+3] = widget.getUB0(); - //userdata[iter+2] = widget.getUB1(); - //userdata[iter+1] = widget.getUB2(); - //userdata[iter ] = widget.getUB3(); - userdata.put( iter + 3, widget.getUB0() ); - userdata.put( iter + 2, widget.getUB1() ); - userdata.put( iter + 2, widget.getUB2() ); - userdata.put( iter , widget.getUB3() ); - } else { - userdata.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter+3] = widget.getUB0(); - //userdata[iter+2] = widget.getUB1(); - //userdata[iter+1] = widget.getUB2(); - //userdata[iter ] = widget.getUB3(); - userdata.put( iter + 3, widget.getUB0() ); - userdata.put( iter + 2, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB2() ); - userdata.put( iter , widget.getUB3() ); - } else { - userdata.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswap_bytes ) { - //userdata[iter+3] = widget.getUB0(); - //userdata[iter+2] = widget.getUB1(); - //userdata[iter+1] = widget.getUB2(); - //userdata[iter ] = widget.getUB3(); - userdata.put( iter + 3, widget.getUB0() ); - userdata.put( iter + 2, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB2() ); - userdata.put( iter , widget.getUB3() ); - } else { - userdata.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_FLOAT ): - if( type == GL2.GL_FLOAT ) { - if( index_format ) { - widget.setF( oldimage.get( iter2++ ) ); - } else { - widget.setF( oldimage.get( iter2++ ) / 65535.0f ); - } - } else if( type == GL2.GL_UNSIGNED_INT ) { - if( index_format ) { - widget.setUI( oldimage.get( iter2++ ) ); - } else { - widget.setUI( oldimage.get( iter2++ ) * 65537 ); - } - } else { - if( index_format ) { - widget.setI( oldimage.get( iter2++ ) ); - } else { - widget.setI( (oldimage.get( iter2++ ) * 65537) / 2 ); - } - } - if( myswap_bytes ) { - userdata.put( iter + 3, widget.getUB0() ); - userdata.put( iter + 2, widget.getUB1() ); - userdata.put( iter + 1, widget.getUB2() ); - userdata.put( iter , widget.getUB3() ); - } else { - userdata.put( iter , widget.getUB0() ); - userdata.put( iter + 1, widget.getUB1() ); - userdata.put( iter + 2, widget.getUB2() ); - userdata.put( iter + 3, widget.getUB3() ); - } - break; - } - iter += element_size; - } // for j - start += rowsize; - // want iter pointing at start, not within, row for assertion purposes - iter = start; - } // for i - // iterators should be one byte past end - if( !Mipmap.isTypePackedPixel( type ) ) { - assert( iter2 == width * height * components ); - } else { - assert( iter2 == width * height * Mipmap.elements_per_group( format, 0 ) ); - } - assert( iter == rowsize * height + psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size ); - } - } - - public static void fillImage3D( PixelStorageModes psm, int width, int height, - int depth, int format, int type, boolean indexFormat, ByteBuffer userImage, - ShortBuffer newImage ) { - boolean myswapBytes; - int components; - int groupsPerLine; - int elementSize; - int groupSize; - int rowSize; - int padding; - int elementsPerLine; - int rowsPerImage; - int imageSize; - int start, rowStart; - int iter = 0; - int iter2 = 0; - int ww, hh, dd, k; - Type_Widget widget = new Type_Widget(); - float extractComponents[] = new float[4]; - - // Create a Extract interface object - Extract extract = null; - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - extract = new Extract332(); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - extract = new Extract233rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - extract = new Extract565(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - extract = new Extract565rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - extract = new Extract4444(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - extract = new Extract4444rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - extract = new Extract5551(); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - extract = new Extract1555rev(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - extract = new Extract8888(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - extract = new Extract8888rev(); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - extract = new Extract1010102(); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract = new Extract2101010rev(); - break; - } - - myswapBytes = psm.getUnpackSwapBytes(); - components = Mipmap.elements_per_group( format, type ); - if( psm.getUnpackRowLength() > 0 ) { - groupsPerLine = psm.getUnpackRowLength(); - } else { - groupsPerLine = width; - } - elementSize = Mipmap.bytes_per_element( type ); - groupSize = elementSize * components; - if( elementSize == 1 ) { - myswapBytes = false; - } - - // 3dstuff begin - if( psm.getUnpackImageHeight() > 0 ) { - rowsPerImage = psm.getUnpackImageHeight(); - } else { - rowsPerImage = height; - } - // 3dstuff end - - rowSize = groupsPerLine * groupSize; - padding = rowSize % psm.getUnpackAlignment(); - if( padding != 0 ) { - rowSize += psm.getUnpackAlignment() - padding; - } - - imageSize = rowsPerImage * rowSize; // 3dstuff - - start = psm.getUnpackSkipRows() * rowSize + - psm.getUnpackSkipPixels() * groupSize + - psm.getUnpackSkipImages() * imageSize; - elementsPerLine = width * components; - - iter2 = 0; - for( dd = 0; dd < depth; dd++ ) { - rowStart = start; - for( hh = 0; hh < height; hh++ ) { - iter = rowStart; - for( ww = 0; ww < elementsPerLine; ww++ ) { - - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - if( indexFormat ) { - newImage.put( iter2++, (short)(0x000000FF & userImage.get( iter ) ) ); - } else { - newImage.put( iter2++, (short)((0x000000FF & userImage.get( iter ) ) * 257 ) ); - } - break; - case( GL2.GL_BYTE ): - if( indexFormat ) { - newImage.put( iter2++, userImage.get( iter ) ); - } else { - newImage.put( iter2++, (short)(userImage.get( iter ) * 516 ) ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - userImage.position( iter ); - extract.extract( false, userImage, extractComponents ); - for( k = 0; k < 3; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - userImage.position( iter ); - extract.extract( false, userImage, extractComponents ); - for( k = 0; k < 3; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - if( myswapBytes ) { - widget.setUB0( userImage.get( iter + 1 ) ); - widget.setUB1( userImage.get( iter ) ); - } else { - widget.setUB0( userImage.get( iter ) ); - widget.setUB1( userImage.get( iter + 1 ) ); - } - if( type == GL2.GL_SHORT ) { - if( indexFormat ) { - newImage.put( iter2++, widget.getUS0() ); - } else { - newImage.put( iter2++, (short)(widget.getUS0() * 2) ); - } - } else { - newImage.put( iter2++, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - userImage.position( iter ); - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract.extract( myswapBytes, userImage, extractComponents ); - for( k = 0; k < 4; k++ ) { - newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); - } - break; - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_FLOAT ): - if( myswapBytes ) { - widget.setUB0( userImage.get( iter + 3 ) ); - widget.setUB1( userImage.get( iter + 2 ) ); - widget.setUB2( userImage.get( iter + 1 ) ); - widget.setUB3( userImage.get( iter ) ); - } else { - widget.setUB0( userImage.get( iter ) ); - widget.setUB1( userImage.get( iter + 1 ) ); - widget.setUB2( userImage.get( iter + 2 ) ); - widget.setUB3( userImage.get( iter + 3 ) ); - } - if( type == GL2.GL_FLOAT ) { - if( indexFormat ) { - newImage.put( iter2++, (short)widget.getF() ); - } else { - newImage.put( iter2++, (short)( widget.getF() * 65535.0f ) ); - } - } else if( type == GL2.GL_UNSIGNED_INT ) { - if( indexFormat ) { - newImage.put( iter2++, (short)widget.getUI() ); - } else { - newImage.put( iter2++, (short)(widget.getUI() >> 16) ); - } - } else { - if( indexFormat ) { - newImage.put( iter2++, (short)widget.getI() ); - } else { - newImage.put( iter2++, (short)(widget.getI() >> 15) ); - } - } - break; - default: - assert( false ); - } - iter += elementSize; - } // for ww - rowStart += rowSize; - iter = rowStart; // for assert - } // for hh - start += imageSize; - }// for dd - - // iterators should be one byte past end - if( !Mipmap.isTypePackedPixel( type ) ) { - assert( iter2 == width * height * depth * components ); - } else { - assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); - } - assert( iter == rowSize * height * depth + psm.getUnpackSkipRows() * rowSize + - psm.getUnpackSkipPixels() * groupSize + - psm.getUnpackSkipImages() * imageSize ); - } - - public static void emptyImage3D( PixelStorageModes psm, int width, int height, int depth, - int format, int type, boolean indexFormat, ShortBuffer oldImage, ByteBuffer userImage ) { - boolean myswapBytes; - int components; - int groupsPerLine; - int elementSize; - int groupSize; - int rowSize; - int padding; - int start, rowStart, iter; - int elementsPerLine; - int iter2; - int ii, jj, dd, k; - int rowsPerImage; - int imageSize; - Type_Widget widget = new Type_Widget(); - float[] shoveComponents = new float[4]; - - // Create a Extract interface object - Extract extract = null; - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - extract = new Extract332(); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - extract = new Extract233rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - extract = new Extract565(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - extract = new Extract565rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - extract = new Extract4444(); - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - extract = new Extract4444rev(); - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - extract = new Extract5551(); - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - extract = new Extract1555rev(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - extract = new Extract8888(); - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - extract = new Extract8888rev(); - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - extract = new Extract1010102(); - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - extract = new Extract2101010rev(); - break; - } - - iter = 0; - - myswapBytes = psm.getPackSwapBytes(); - components = Mipmap.elements_per_group( format, type ); - if( psm.getPackRowLength() > 0 ) { - groupsPerLine = psm.getPackRowLength(); - } else { - groupsPerLine = width; - } - - elementSize = Mipmap.bytes_per_element( type ); - groupSize = elementSize * components; - if( elementSize == 1 ) { - myswapBytes = false; - } - - // 3dstuff begin - if( psm.getPackImageHeight() > 0 ) { - rowsPerImage = psm.getPackImageHeight(); - } else { - rowsPerImage = height; - } - - // 3dstuff end - - rowSize = groupsPerLine * groupSize; - padding = rowSize % psm.getPackAlignment(); - if( padding != 0 ) { - rowSize += psm.getPackAlignment() - padding; - } - - imageSize = rowsPerImage * rowSize; - - start = psm.getPackSkipRows() * rowSize + - psm.getPackSkipPixels() * groupSize + - psm.getPackSkipImages() * imageSize; - elementsPerLine = width * components; - - iter2 = 0; - for( dd = 0; dd < depth; dd++ ) { - rowStart = start; - - for( ii = 0; ii < height; ii++ ) { - iter = rowStart; - - for( jj = 0; jj < elementsPerLine; jj++ ) { - - switch( type ) { - case( GL2.GL_UNSIGNED_BYTE ): - if( indexFormat ) { - userImage.put( iter, (byte)(oldImage.get( iter2++ ) ) ); - } else { - userImage.put( iter, (byte)(oldImage.get( iter2++ ) >> 8 ) ); - } - break; - case( GL2.GL_BYTE ): - if( indexFormat ) { - userImage.put( iter, (byte)(oldImage.get(iter2++) ) ); - } else { - userImage.put( iter, (byte)(oldImage.get(iter2++) >> 9) ); - } - break; - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, userImage ); - break; - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - for( k = 0; k < 3; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, userImage ); - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.putShort( iter, widget.getUB1() ); - userImage.putShort( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.putShort( iter, widget.getUS0() ); - } - break; - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_SHORT ): - if( type == GL2.GL_SHORT ) { - if( indexFormat ) { - widget.setS0( (short)oldImage.get( iter2++ ) ); - } else { - widget.setS0( (short)(oldImage.get( iter2++ ) >> 1) ); - } - } else { - widget.setUS0( (short)oldImage.get( iter2++ ) ); - } - if( myswapBytes ) { - userImage.put( iter, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB0() ); - } else { - userImage.put( iter, widget.getUB0() ); - userImage.put( iter + 1, widget.getUB1() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter + 3, widget.getUB0() ); - userImage.put( iter + 2, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB2() ); - userImage.put( iter , widget.getUB3() ); - } else { - userImage.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter + 3, widget.getUB0() ); - userImage.put( iter + 2, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB2() ); - userImage.put( iter , widget.getUB3() ); - } else { - userImage.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter + 3, widget.getUB0() ); - userImage.put( iter + 2, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB2() ); - userImage.put( iter ,widget.getUB3() ); - } else { - userImage.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - for( k = 0; k < 4; k++ ) { - shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; - } - extract.shove( shoveComponents, 0, widget.getBuffer() ); - if( myswapBytes ) { - userImage.put( iter + 3, widget.getUB0() ); - userImage.put( iter + 2, widget.getUB2() ); - userImage.put( iter + 1, widget.getUB1() ); - userImage.put( iter , widget.getUB0() ); - } else { - userImage.putInt( iter, widget.getUI() ); - } - break; - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_FLOAT ): - if( type == GL2.GL_FLOAT ) { - if( indexFormat ) { - widget.setF( oldImage.get( iter2++ ) ); - } else { - widget.setF( oldImage.get( iter2++ ) / 65535.0f ); - } - } else if( type == GL2.GL_UNSIGNED_INT ) { - if( indexFormat ) { - widget.setUI( oldImage.get( iter2++ ) ); - } else { - widget.setUI( oldImage.get( iter2++ ) * 65537 ); - } - } else { - if( indexFormat ) { - widget.setI( oldImage.get( iter2++ ) ); - } else { - widget.setI( ( oldImage.get( iter2++ ) * 65535 ) / 2 ); - } - } - if( myswapBytes ) { - userImage.put( iter + 3, widget.getUB0() ); - userImage.put( iter + 2, widget.getUB1() ); - userImage.put( iter + 1, widget.getUB2() ); - userImage.put( iter , widget.getUB3() ); - } else { - userImage.put( iter , widget.getUB0() ); - userImage.put( iter + 1, widget.getUB1() ); - userImage.put( iter + 2, widget.getUB2() ); - userImage.put( iter + 3, widget.getUB3() ); - } - break; - default: - assert( false ); - } - - iter += elementSize; - } // for jj - rowStart += rowSize; - } // for ii - start += imageSize; - } // for dd - - if( !Mipmap.isTypePackedPixel( type ) ) { - assert( iter2 == width * height * depth * components ); - } else { - assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); - } - assert( iter == rowSize * height * depth + - psm.getUnpackSkipRows() * rowSize + - psm.getUnpackSkipPixels() * groupSize + - psm.getUnpackSkipImages() * imageSize ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java deleted file mode 100644 index c9850639d..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java +++ /dev/null @@ -1,867 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.glu.GLU; -import javax.media.opengl.GLException; -import java.nio.*; -import com.sun.opengl.impl.InternalBufferUtil; - -/** - * - * @author Administrator - */ -public class Mipmap { - - /** Creates a new instance of Mipmap */ - public Mipmap() { - } - - public static int computeLog( int value ) { - int i = 0; - // Error - if( value == 0 ) { - return( -1 ); - } - for( ;; ) { - if( (value & 1) >= 1 ) { - if( value != 1 ) { - return( -1 ); - } - return( i ); - } - value = value >> 1; - i++; - } - } - - /* Compute the nearest power of 2 number. This algorithm is a little strange - * but it works quite well. - */ - public static int nearestPower( int value ) { - int i = 1; - // Error! - if( value == 0 ) { - return( -1 ); - } - for( ;; ) { - if( value == 1 ) { - return( i ); - } else if( value == 3 ) { - return( i * 4 ); - } - value = value >> 1; - i *= 2; - } - } - - public static short GLU_SWAP_2_BYTES( short s ) { - byte b = 0; - b = (byte)( s >>> 8 ); - s = (short)( s << 8 ); - s = (short)( s | (0x00FF & b) ); - return( s ); - } - - public static int GLU_SWAP_4_BYTES( int i ) { - int t = i << 24; - t |= 0x00FF0000 & ( i << 8 ); - t |= 0x0000FF00 & ( i >>> 8 ); - t |= 0x000000FF & ( i >>> 24 ); - return( t ); - } - - public static float GLU_SWAP_4_BYTES( float f ) { - int i = Float.floatToRawIntBits( f ); - float temp = Float.intBitsToFloat( i ); - return( temp ); - } - - public static int checkMipmapArgs( int internalFormat, int format, int type ) { - if( !legalFormat( format ) || !legalType( type ) ) { - return( GLU.GLU_INVALID_ENUM ); - } - if( format == GL2.GL_STENCIL_INDEX ) { - return( GLU.GLU_INVALID_ENUM ); - } - if( !isLegalFormatForPackedPixelType( format, type ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - return( 0 ); - } - - public static boolean legalFormat( int format ) { - switch( format ) { - case( GL2.GL_COLOR_INDEX ): - case( GL2.GL_STENCIL_INDEX ): - case( GL2.GL_DEPTH_COMPONENT ): - case( GL2.GL_RED ): - case( GL2.GL_GREEN ): - case( GL2.GL_BLUE ): - case( GL2.GL_ALPHA ): - case( GL2.GL_RGB ): - case( GL2.GL_RGBA ): - case( GL2.GL_LUMINANCE ): - case( GL2.GL_LUMINANCE_ALPHA ): - case( GL2.GL_BGR ): - case( GL2.GL_BGRA ): - return( true ); - default: - return( false ); - } - } - - public static boolean legalType( int type ) { - switch( type ) { - case( GL2.GL_BITMAP ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_FLOAT ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - return( true ); - default: - return( false ); - } - } - - public static boolean isTypePackedPixel( int type ) { - assert( legalType( type ) ); - - if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || - type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL2.GL_UNSIGNED_SHORT_5_6_5 || - type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || - type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL2.GL_UNSIGNED_INT_8_8_8_8 || - type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL2.GL_UNSIGNED_INT_10_10_10_2 || - type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { - return( true ); - } - return( false ); - } - - public static boolean isLegalFormatForPackedPixelType( int format, int type ) { - // if not a packed pixel type then return true - if( isTypePackedPixel( type ) ) { - return( true ); - } - - // 3_3_2/2_3_3_REV & 5_6_5/5_6_5_REV are only compatible with RGB - if( (type == GL2.GL_UNSIGNED_BYTE_3_3_2 || type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL2.GL_UNSIGNED_SHORT_5_6_5 || type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV ) - & format != GL2.GL_RGB ) { - return( false ); - } - - // 4_4_4_4/4_4_4_4_REV & 5_5_5_1/1_5_5_5_REV & 8_8_8_8/8_8_8_8_REV & - // 10_10_10_2/2_10_10_10_REV are only campatible with RGBA, BGRA & ARGB_EXT - if( ( type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL2.GL_UNSIGNED_INT_8_8_8_8 || - type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL2.GL_UNSIGNED_INT_10_10_10_2 || - type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) && - (format != GL2.GL_RGBA && format != GL2.GL_BGRA) ) { - return( false ); - } - return( true ); - } - - public static boolean isLegalLevels( int userLevel, int baseLevel, int maxLevel, - int totalLevels ) { - if( (baseLevel < 0) || (baseLevel < userLevel) || (maxLevel < baseLevel) || - (totalLevels < maxLevel) ) { - return( false ); - } - return( true ); - } - - /* Given user requested textures size, determine if it fits. If it doesn't then - * halve both sides and make the determination again until it does fit ( for - * IR only ). - * Note that proxy textures are not implemented in RE* even though they - * advertise the texture extension. - * Note that proxy textures are implemented but not according to spec in IMPACT* - */ - public static void closestFit( GL gl, int target, int width, int height, int internalFormat, - int format, int type, int[] newWidth, int[] newHeight ) { - // Use proxy textures if OpenGL version >= 1.1 - if( Double.parseDouble( gl.glGetString( GL.GL_VERSION ).trim().substring( 0, 3 ) ) >= 1.1 ) { - int widthPowerOf2 = nearestPower( width ); - int heightPowerOf2 = nearestPower( height ); - int[] proxyWidth = new int[1]; - boolean noProxyTextures = false; - - // Some drivers (in particular, ATI's) seem to set a GL error - // when proxy textures are used even though this is in violation - // of the spec. Guard against this and interactions with the - // DebugGL by watching for GLException. - try { - do { - // compute level 1 width & height, clamping each at 1 - int widthAtLevelOne = ( ( width > 1 ) ? (widthPowerOf2 >> 1) : widthPowerOf2 ); - int heightAtLevelOne = ( ( height > 1 ) ? (heightPowerOf2 >> 1) : heightPowerOf2 ); - int proxyTarget; - - assert( widthAtLevelOne > 0 ); - assert( heightAtLevelOne > 0 ); - - // does width x height at level 1 & all their mipmaps fit? - if( target == GL2.GL_TEXTURE_2D || target == GL2.GL_PROXY_TEXTURE_2D ) { - proxyTarget = GL2.GL_PROXY_TEXTURE_2D; - gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, 0, format, type, null ); - } else if( (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_X) || - (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_X) || - (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Y) || - (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) || - (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Z) || - (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) ) { - proxyTarget = GL2.GL_PROXY_TEXTURE_CUBE_MAP; - gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, 0, format, type, null ); - } else { - assert( target == GL2.GL_TEXTURE_1D || target == GL2.GL_PROXY_TEXTURE_1D ); - proxyTarget = GL2.GL_PROXY_TEXTURE_1D; - gl.getGL2().glTexImage1D( proxyTarget, 1, internalFormat, widthAtLevelOne, - 0, format, type, null ); - } - if(gl.isGL2()) { - gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); - } else { - proxyWidth[0] = 0; - } - // does it fit? - if( proxyWidth[0] == 0 ) { // nope, so try again with theses sizes - if( widthPowerOf2 == 1 && heightPowerOf2 == 1 ) { - /* A 1x1 texture couldn't fit for some reason so break out. This - * should never happen. But things happen. The disadvantage with - * this if-statement is that we will never be aware of when this - * happens since it will silently branch out. - */ - noProxyTextures = true; - break; - } - widthPowerOf2 = widthAtLevelOne; - heightPowerOf2 = heightAtLevelOne; - } - // else it does fit - } while( proxyWidth[0] == 0 ); - } catch (GLException e) { - noProxyTextures = true; - } - // loop must terminate - // return the width & height at level 0 that fits - if( !noProxyTextures ) { - newWidth[0] = widthPowerOf2; - newHeight[0] = heightPowerOf2; - return; - } - } - int[] maxsize = new int[1]; - gl.glGetIntegerv( GL2.GL_MAX_TEXTURE_SIZE, maxsize , 0); - // clamp user's texture sizes to maximum sizes, if necessary - newWidth[0] = nearestPower( width ); - if( newWidth[0] > maxsize[0] ) { - newWidth[0] = maxsize[0]; - } - newHeight[0] = nearestPower( height ); - if( newHeight[0] > maxsize[0] ) { - newHeight[0] = maxsize[0]; - } - } - - public static void closestFit3D( GL gl, int target, int width, int height, int depth, - int internalFormat, int format, int type, int[] newWidth, int[] newHeight, - int[] newDepth ) { - int widthPowerOf2 = nearestPower( width ); - int heightPowerOf2 = nearestPower( height ); - int depthPowerOf2 = nearestPower( depth ); - int[] proxyWidth = new int[1]; - - do { - // compute level 1 width & height & depth, clamping each at 1 - int widthAtLevelOne = (widthPowerOf2 > 1) ? widthPowerOf2 >> 1 : widthPowerOf2; - int heightAtLevelOne = (heightPowerOf2 > 1) ? heightPowerOf2 >> 1 : heightPowerOf2; - int depthAtLevelOne = (depthPowerOf2 > 1) ? depthPowerOf2 >> 1 : depthPowerOf2; - int proxyTarget = 0; - assert( widthAtLevelOne > 0 ); - assert( heightAtLevelOne > 0 ); - assert( depthAtLevelOne > 0 ); - - // does width x height x depth at level 1 & all their mipmaps fit? - if( target == GL2.GL_TEXTURE_3D || target == GL2.GL_PROXY_TEXTURE_3D ) { - proxyTarget = GL2.GL_PROXY_TEXTURE_3D; - gl.getGL2().glTexImage3D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, depthAtLevelOne, 0, format, type, null ); - } - if(gl.isGL2()) { - gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); - } else { - proxyWidth[0] = 0; - } - // does it fit - if( proxyWidth[0] == 0 ) { - if( widthPowerOf2 == 1 && heightPowerOf2 == 1 && depthPowerOf2 == 1 ) { - newWidth[0] = newHeight[0] = newDepth[0] = 1; - return; - } - widthPowerOf2 = widthAtLevelOne; - heightPowerOf2 = heightAtLevelOne; - depthPowerOf2 = depthAtLevelOne; - } - } while( proxyWidth[0] == 0 ); - // loop must terminate - - // return the width & height at level 0 that fits - newWidth[0] = widthPowerOf2; - newHeight[0] = heightPowerOf2; - newDepth[0] = depthPowerOf2; - } - - public static int elements_per_group( int format, int type ) { - // Return the number of elements per grtoup of a specified gromat - - // If the type is packedpixels then answer is 1 - if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || - type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL2.GL_UNSIGNED_SHORT_5_6_5 || - type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || - type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL2.GL_UNSIGNED_INT_8_8_8_8 || - type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL2.GL_UNSIGNED_INT_10_10_10_2 || - type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { - return( 1 ); - } - - // Types are not packed pixels so get elements per group - switch( format ) { - case( GL2.GL_RGB ): - case( GL2.GL_BGR ): - return( 3 ); - case( GL2.GL_LUMINANCE_ALPHA ): - return( 2 ); - case( GL2.GL_RGBA ): - case( GL2.GL_BGRA ): - return( 4 ); - default: - return( 1 ); - } - } - - public static int bytes_per_element( int type ) { - // return the number of bytes per element, based on the element type - - switch( type ) { - case( GL2.GL_BITMAP ): - case( GL2.GL_BYTE ): - case( GL2.GL_UNSIGNED_BYTE ): - case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): - return( 1 ); - case( GL2.GL_SHORT ): - case( GL2.GL_UNSIGNED_SHORT ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - return( 2 ); - case( GL2.GL_INT ): - case( GL2.GL_UNSIGNED_INT ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): - case( GL2.GL_FLOAT ): - return( 4 ); - default: - return( 4 ); - } - } - - public static boolean is_index( int format ) { - return( format == GL2.GL_COLOR_INDEX || format == GL2.GL_STENCIL_INDEX ); - } - - /* Compute memory required for internal packed array of data of given type and format. */ - - public static int image_size( int width, int height, int format, int type ) { - int bytes_per_row; - int components; - - assert( width > 0 ); - assert( height > 0 ); - components = elements_per_group( format, type ); - if( type == GL2.GL_BITMAP ) { - bytes_per_row = (width + 7) / 8; - } else { - bytes_per_row = bytes_per_element( type ) * width; - } - return( bytes_per_row * height * components ); - } - - public static int imageSize3D( int width, int height, int depth, int format, int type ) { - int components = elements_per_group( format, type ); - int bytes_per_row = bytes_per_element( type ) * width; - - assert( width > 0 && height > 0 && depth > 0 ); - assert( type != GL2.GL_BITMAP ); - - return( bytes_per_row * height * depth * components ); - } - - public static void retrieveStoreModes( GL gl, PixelStorageModes psm ) { - int[] a = new int[1]; - gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); - psm.setUnpackAlignment( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); - psm.setUnpackRowLength( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); - psm.setUnpackSkipRows( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); - psm.setUnpackSkipPixels( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); - psm.setUnpackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); - psm.setUnpackSwapBytes( ( a[0] == 1 ) ); - - gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); - psm.setPackAlignment( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); - psm.setPackRowLength( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); - psm.setPackSkipRows( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0); - psm.setPackSkipPixels( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0); - psm.setPackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0); - psm.setPackSwapBytes( ( a[0] == 1 ) ); - } - - public static void retrieveStoreModes3D( GL gl, PixelStorageModes psm ) { - int[] a = new int[1]; - gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); - psm.setUnpackAlignment( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); - psm.setUnpackRowLength( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); - psm.setUnpackSkipRows( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); - psm.setUnpackSkipPixels( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); - psm.setUnpackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); - psm.setUnpackSwapBytes( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_IMAGES, a, 0); - psm.setUnpackSkipImages( a[0] ); - gl.glGetIntegerv( GL2.GL_UNPACK_IMAGE_HEIGHT, a, 0); - psm.setUnpackImageHeight( a[0] ); - - gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); - psm.setPackAlignment( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); - psm.setPackRowLength( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); - psm.setPackSkipRows( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0 ); - psm.setPackSkipPixels( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0 ); - psm.setPackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0 ); - psm.setPackSwapBytes( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL2.GL_PACK_SKIP_IMAGES, a, 0 ); - psm.setPackSkipImages( a[0] ); - gl.glGetIntegerv( GL2.GL_PACK_IMAGE_HEIGHT, a, 0 ); - psm.setPackImageHeight( a[0] ); - } - - public static int gluScaleImage( GL gl, int format, int widthin, int heightin, - int typein, ByteBuffer datain, int widthout, int heightout, - int typeout, ByteBuffer dataout ) { - int datainPos = datain.position(); - int dataoutPos = dataout.position(); - try { - - int components; - ByteBuffer beforeimage; - ByteBuffer afterimage; - PixelStorageModes psm = new PixelStorageModes(); - - if( (widthin == 0) || (heightin == 0) || (widthout == 0) || (heightout == 0) ) { - return( 0 ); - } - if( (widthin < 0) || (heightin < 0) || (widthout < 0) || (heightout < 0) ) { - return( GLU.GLU_INVALID_VALUE ); - } - if( !legalFormat( format ) || !legalType( typein ) || !legalType( typeout ) ) { - return( GLU.GLU_INVALID_ENUM ); - } - if( !isLegalFormatForPackedPixelType( format, typein ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - if( !isLegalFormatForPackedPixelType( format, typeout ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - beforeimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthin, heightin, format, GL2.GL_UNSIGNED_SHORT ) )); - afterimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthout, heightout, format, GL2.GL_UNSIGNED_SHORT ) )); - if( beforeimage == null || afterimage == null ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - - retrieveStoreModes( gl, psm ); - Image.fill_image( psm, widthin, heightin, format, typein, is_index( format ), datain, beforeimage.asShortBuffer() ); - components = elements_per_group( format, 0 ); - ScaleInternal.scale_internal( components, widthin, heightin, beforeimage.asShortBuffer(), widthout, heightout, afterimage.asShortBuffer() ); - Image.empty_image( psm, widthout, heightout, format, typeout, is_index( format ), afterimage.asShortBuffer(), dataout ); - - return( 0 ); - } finally { - datain.position(datainPos); - dataout.position(dataoutPos); - } - } - - public static int gluBuild1DMipmapLevels( GL gl, int target, int internalFormat, - int width, int format, int type, int userLevel, int baseLevel, - int maxLevel, ByteBuffer data ) { - int dataPos = data.position(); - try { - - int levels; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - levels = computeLog( width ); - - levels += userLevel; - if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { - return( GLU.GLU_INVALID_VALUE ); - } - - return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, width, - width, format, type, userLevel, baseLevel, maxLevel, data ) ); - } finally { - data.position(dataPos); - } - } - - public static int gluBuild1DMipmaps( GL gl, int target, int internalFormat, int width, - int format, int type, ByteBuffer data ) { - int dataPos = data.position(); - - try { - int[] widthPowerOf2 = new int[1]; - int levels; - int[] dummy = new int[1]; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - closestFit( gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy ); - levels = computeLog( widthPowerOf2[0] ); - - return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, - width, widthPowerOf2[0], format, type, 0, 0, levels, data ) ); - } finally { - data.position(dataPos); - } - } - - - public static int gluBuild2DMipmapLevels( GL gl, int target, int internalFormat, - int width, int height, int format, int type, int userLevel, - int baseLevel, int maxLevel, Object data ) { - int dataPos = 0; - - int level, levels; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 || height < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - levels = computeLog( width ); - level = computeLog( height ); - if( level > levels ) { - levels = level; - } - - levels += userLevel; - if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { - return( GLU.GLU_INVALID_VALUE ); - } - - //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); - ByteBuffer buffer = null; - if( data instanceof ByteBuffer ) { - buffer = (ByteBuffer)data; - dataPos = buffer.position(); - } else if( data instanceof byte[] ) { - byte[] array = (byte[])data; - buffer = ByteBuffer.allocateDirect(array.length); - buffer.put(array); - } else if( data instanceof short[] ) { - short[] array = (short[])data; - buffer = ByteBuffer.allocateDirect( array.length * 2 ); - ShortBuffer sb = buffer.asShortBuffer(); - sb.put( array ); - } else if( data instanceof int[] ) { - int[] array = (int[])data; - buffer = ByteBuffer.allocateDirect( array.length * 4 ); - IntBuffer ib = buffer.asIntBuffer(); - ib.put( array ); - } else if( data instanceof float[] ) { - float[] array = (float[])data; - buffer = ByteBuffer.allocateDirect( array.length * 4 ); - FloatBuffer fb = buffer.asFloatBuffer(); - fb.put( array ); - } - - try { - return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, - width, height, width, height, format, type, userLevel, baseLevel, - maxLevel, buffer ) ); - } finally { - buffer.position(dataPos); - } - } - - - public static int gluBuild2DMipmaps( GL gl, int target, int internalFormat, - int width, int height, int format, int type, Object data ) { - int dataPos = 0; - - int[] widthPowerOf2 = new int[1]; - int[] heightPowerOf2 = new int[1]; - int level, levels; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 || height < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - closestFit( gl, target, width, height, internalFormat, format, type, - widthPowerOf2, heightPowerOf2 ); - - levels = computeLog( widthPowerOf2[0] ); - level = computeLog( heightPowerOf2[0] ); - if( level > levels ) { - levels = level; - } - - //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); - ByteBuffer buffer = null; - if( data instanceof ByteBuffer ) { - buffer = (ByteBuffer)data; - dataPos = buffer.position(); - } else if( data instanceof byte[] ) { - byte[] array = (byte[])data; - buffer = ByteBuffer.allocateDirect(array.length); - buffer.put(array); - } else if( data instanceof short[] ) { - short[] array = (short[])data; - buffer = ByteBuffer.allocateDirect( array.length * 2 ); - ShortBuffer sb = buffer.asShortBuffer(); - sb.put( array ); - } else if( data instanceof int[] ) { - int[] array = (int[])data; - buffer = ByteBuffer.allocateDirect( array.length * 4 ); - IntBuffer ib = buffer.asIntBuffer(); - ib.put( array ); - } else if( data instanceof float[] ) { - float[] array = (float[])data; - buffer = ByteBuffer.allocateDirect( array.length * 4 ); - FloatBuffer fb = buffer.asFloatBuffer(); - fb.put( array ); - } - - try { - return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, - width, height, widthPowerOf2[0], heightPowerOf2[0], format, type, 0, - 0, levels, buffer ) ); - } finally { - buffer.position(dataPos); - } - } - - - public static int gluBuild3DMipmaps( GL gl, int target, int internalFormat, - int width, int height, int depth, int format, int type, ByteBuffer data ) { - int dataPos = data.position(); - try { - - int[] widthPowerOf2 = new int[1]; - int[] heightPowerOf2 = new int[1]; - int[] depthPowerOf2 = new int[1]; - int level, levels; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 || height < 1 || depth < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - if( type == GL2.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } - - closestFit3D( gl, target, width, height, depth, internalFormat, format, - type, widthPowerOf2, heightPowerOf2, depthPowerOf2 ); - - levels = computeLog( widthPowerOf2[0] ); - level = computeLog( heightPowerOf2[0] ); - if( level > levels ) { - levels = level; - } - level = computeLog( depthPowerOf2[0] ); - if( level > levels ) { - levels = level; - } - - return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, - height, depth, widthPowerOf2[0], heightPowerOf2[0], depthPowerOf2[0], - format, type, 0, 0, levels, data ) ); - } finally { - data.position(dataPos); - } - } - - public static int gluBuild3DMipmapLevels( GL gl, int target, int internalFormat, - int width, int height, int depth, int format, int type, int userLevel, - int baseLevel, int maxLevel, ByteBuffer data ) { - int dataPos = data.position(); - try { - int level, levels; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } - - if( width < 1 || height < 1 || depth < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - if( type == GL2.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } - - levels = computeLog( width ); - level = computeLog( height ); - if( level > levels ) { - levels = level; - } - level = computeLog( depth ); - if( level > levels ) { - levels = level; - } - - levels += userLevel; - if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { - return( GLU.GLU_INVALID_VALUE ); - } - - return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, - height, depth, width, height, depth, format, type, userLevel, - baseLevel, maxLevel, data ) ); - } finally { - data.position(dataPos); - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java deleted file mode 100644 index c66d138a2..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java +++ /dev/null @@ -1,426 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -/** - * - * @author Administrator - */ -public class PixelStorageModes { - - /** - * Holds value of property packAlignment. - */ - private int packAlignment; - - /** - * Holds value of property packRowLength. - */ - private int packRowLength; - - /** - * Holds value of property packSkipRows. - */ - private int packSkipRows; - - /** - * Holds value of property packSkipPixels. - */ - private int packSkipPixels; - - /** - * Holds value of property packLsbFirst. - */ - private boolean packLsbFirst; - - /** - * Holds value of property packSwapBytes. - */ - private boolean packSwapBytes; - - /** - * Holds value of property packSkipImages. - */ - private int packSkipImages; - - /** - * Holds value of property packImageHeight. - */ - private int packImageHeight; - - /** - * Holds value of property unpackAlignment. - */ - private int unpackAlignment; - - /** - * Holds value of property unpackRowLength. - */ - private int unpackRowLength; - - /** - * Holds value of property unpackSkipRows. - */ - private int unpackSkipRows; - - /** - * Holds value of property unpackSkipPixels. - */ - private int unpackSkipPixels; - - /** - * Holds value of property unpackLsbFirst. - */ - private boolean unpackLsbFirst; - - /** - * Holds value of property unpackSwapBytes. - */ - private boolean unpackSwapBytes; - - /** - * Holds value of property unpackSkipImages. - */ - private int unpackSkipImages; - - /** - * Holds value of property unpackImageHeight. - */ - private int unpackImageHeight; - - /** Creates a new instance of PixelStorageModes */ - public PixelStorageModes() { - } - - /** - * Getter for property packAlignment. - * @return Value of property packAlignment. - */ - public int getPackAlignment() { - - return this.packAlignment; - } - - /** - * Setter for property packAlignment. - * @param packAlignment New value of property packAlignment. - */ - public void setPackAlignment(int packAlignment) { - - this.packAlignment = packAlignment; - } - - /** - * Getter for property packRowLength. - * @return Value of property packRowLength. - */ - public int getPackRowLength() { - - return this.packRowLength; - } - - /** - * Setter for property packRowLength. - * @param packRowLength New value of property packRowLength. - */ - public void setPackRowLength(int packRowLength) { - - this.packRowLength = packRowLength; - } - - /** - * Getter for property packSkipRows. - * @return Value of property packSkipRows. - */ - public int getPackSkipRows() { - - return this.packSkipRows; - } - - /** - * Setter for property packSkipRows. - * @param packSkipRows New value of property packSkipRows. - */ - public void setPackSkipRows(int packSkipRows) { - - this.packSkipRows = packSkipRows; - } - - /** - * Getter for property packSkipPixels. - * @return Value of property packSkipPixels. - */ - public int getPackSkipPixels() { - - return this.packSkipPixels; - } - - /** - * Setter for property packSkipPixels. - * @param packSkipPixels New value of property packSkipPixels. - */ - public void setPackSkipPixels(int packSkipPixels) { - - this.packSkipPixels = packSkipPixels; - } - - /** - * Getter for property packLsbFirst. - * @return Value of property packLsbFirst. - */ - public boolean getPackLsbFirst() { - - return this.packLsbFirst; - } - - /** - * Setter for property packLsbFirst. - * @param packLsbFirst New value of property packLsbFirst. - */ - public void setPackLsbFirst(boolean packLsbFirst) { - - this.packLsbFirst = packLsbFirst; - } - - /** - * Getter for property packSwapBytes. - * @return Value of property packSwapBytes. - */ - public boolean getPackSwapBytes() { - - return this.packSwapBytes; - } - - /** - * Setter for property packSwapBytes. - * @param packSwapBytes New value of property packSwapBytes. - */ - public void setPackSwapBytes(boolean packSwapBytes) { - - this.packSwapBytes = packSwapBytes; - } - - /** - * Getter for property packSkipImages. - * @return Value of property packSkipImages. - */ - public int getPackSkipImages() { - - return this.packSkipImages; - } - - /** - * Setter for property packSkipImages. - * @param packSkipImages New value of property packSkipImages. - */ - public void setPackSkipImages(int packSkipImages) { - - this.packSkipImages = packSkipImages; - } - - /** - * Getter for property packImageHeight. - * @return Value of property packImageHeight. - */ - public int getPackImageHeight() { - - return this.packImageHeight; - } - - /** - * Setter for property packImageHeight. - * @param packImageHeight New value of property packImageHeight. - */ - public void setPackImageHeight(int packImageHeight) { - - this.packImageHeight = packImageHeight; - } - - /** - * Getter for property unpackAlignment. - * @return Value of property unpackAlignment. - */ - public int getUnpackAlignment() { - - return this.unpackAlignment; - } - - /** - * Setter for property unpackAlignment. - * @param unpackAlignment New value of property unpackAlignment. - */ - public void setUnpackAlignment(int unpackAlignment) { - - this.unpackAlignment = unpackAlignment; - } - - /** - * Getter for property unpackRowLength. - * @return Value of property unpackRowLength. - */ - public int getUnpackRowLength() { - - return this.unpackRowLength; - } - - /** - * Setter for property unpackRowLength. - * @param unpackRowLength New value of property unpackRowLength. - */ - public void setUnpackRowLength(int unpackRowLength) { - - this.unpackRowLength = unpackRowLength; - } - - /** - * Getter for property unpackSkipRows. - * @return Value of property unpackSkipRows. - */ - public int getUnpackSkipRows() { - - return this.unpackSkipRows; - } - - /** - * Setter for property unpackSkipRows. - * @param unpackSkipRows New value of property unpackSkipRows. - */ - public void setUnpackSkipRows(int unpackSkipRows) { - - this.unpackSkipRows = unpackSkipRows; - } - - /** - * Getter for property unpackSkipPixels. - * @return Value of property unpackSkipPixels. - */ - public int getUnpackSkipPixels() { - - return this.unpackSkipPixels; - } - - /** - * Setter for property unpackSkipPixels. - * @param unpackSkipPixels New value of property unpackSkipPixels. - */ - public void setUnpackSkipPixels(int unpackSkipPixels) { - - this.unpackSkipPixels = unpackSkipPixels; - } - - /** - * Getter for property unpackLsbFirst. - * @return Value of property unpackLsbFirst. - */ - public boolean getUnpackLsbFirst() { - - return this.unpackLsbFirst; - } - - /** - * Setter for property unpackLsbFirst. - * @param unpackLsbFirst New value of property unpackLsbFirst. - */ - public void setUnpackLsbFirst(boolean unpackLsbFirst) { - - this.unpackLsbFirst = unpackLsbFirst; - } - - /** - * Getter for property unpackSwapBytes. - * @return Value of property unpackSwapBytes. - */ - public boolean getUnpackSwapBytes() { - - return this.unpackSwapBytes; - } - - /** - * Setter for property unpackSwapBytes. - * @param unpackSwapBytes New value of property unpackSwapBytes. - */ - public void setUnpackSwapBytes(boolean unpackSwapBytes) { - - this.unpackSwapBytes = unpackSwapBytes; - } - - /** - * Getter for property unpackSkipImages. - * @return Value of property unpackSkipImages. - */ - public int getUnpackSkipImages() { - - return this.unpackSkipImages; - } - - /** - * Setter for property unpackSkipImages. - * @param unpackSkipImages New value of property unpackSkipImages. - */ - public void setUnpackSkipImages(int unpackSkipImages) { - - this.unpackSkipImages = unpackSkipImages; - } - - /** - * Getter for property unpackImageHeight. - * @return Value of property unpackImageHeight. - */ - public int getUnpackImageHeight() { - - return this.unpackImageHeight; - } - - /** - * Setter for property unpackImageHeight. - * @param unpackImageHeight New value of property unpackImageHeight. - */ - public void setUnpackImageHeight(int unpackImageHeight) { - - this.unpackImageHeight = unpackImageHeight; - } - - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java deleted file mode 100644 index d998e4bf0..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java +++ /dev/null @@ -1,2447 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.glu.GLU; -import java.nio.*; -import com.sun.opengl.impl.InternalBufferUtil; - -/** - * - * @author Administrator - */ -public class ScaleInternal { - - public static final float UINT_MAX = (float)(0x00000000FFFFFFFF); - - public static void scale_internal( int components, int widthin, int heightin, - ShortBuffer datain, int widthout, int heightout, ShortBuffer dataout ) { - float x, lowx, highx, convx, halfconvx; - float y, lowy, highy, convy, halfconvy; - float xpercent, ypercent; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, yint, xint, xindex, yindex; - int temp; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage( components, widthin, heightin, datain, dataout ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - halfconvx = convx / 2; - halfconvy = convy / 2; - for( i = 0; i < heightout; i++ ) { - y = convy * ( i + 0.5f ); - if( heightin > heightout ) { - highy = y + halfconvy; - lowy = y - halfconvy; - } else { - highy = y + 0.5f; - lowy = y - 0.5f; - } - for( j = 0; j < widthout; j++ ) { - x = convx * ( j + 0.5f ); - if( widthin > widthout ) { - highx = x + halfconvx; - lowx = x - halfconvx; - } else { - highx = x + 0.5f; - lowx = x - 0.5f; - } - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - area = 0.0f; - - y = lowy; - yint = (int)Math.floor( y ); - while( y < highy ) { - yindex = ( yint + heightin ) % heightin; - if( highy < yint + 1 ) { - ypercent = highy - y; - } else { - ypercent = yint + 1 - y; - } - - x = lowx; - xint = (int)Math.floor( x ); - - while( x < highx ) { - xindex = ( xint + widthin ) % widthin; - if( highx < xint + 1 ) { - xpercent = highx -x; - } else { - xpercent = xint + 1 - x; - } - - percent = xpercent * ypercent; - area += percent; - temp = ( xindex + ( yindex * widthin) ) * components; - for( k = 0; k < components; k++ ) { - totals[k] += datain.get( temp + k ) * percent; - } - - xint++; - x = xint; - } - yint++; - y = yint; - } - - temp = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - // totals[] should be rounded in the case of enlarging an RGB - // ramp when the type is 332 or 4444 - dataout.put( temp + k, (short)((totals[k] + 0.5f) / area) ); - } - } - } - } - - public static void scale_internal_ubyte( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ByteBuffer dataout, int element_size, int ysize, int group_size ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_ubyte( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - float f = 0.0f; - datain.position( left ); - f = ( 0x000000FF & datain.get() ) * ( 1.0f - lowx_float ); - datain.position( right ); - f += ( 0x000000FF & datain.get() ) * highx_float; - totals[k] += f; - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * x_percent; - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ); - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (byte)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_byte( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ByteBuffer dataout, int element_size, int ysize, - int group_size ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_byte( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - float f = 0.0f; - datain.position( left ); - f = datain.get() * ( 1 - lowx_float ); - datain.position( right ); - f += datain.get() * highx_float; - totals[k] += f; - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * x_percent; - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get(); - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (byte)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_ushort( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ShortBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_ushort( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * y_percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & (Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - float f = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * ( 1 - lowx_float ); - datain.position( right ); - f += ((0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * highx_float); - totals[k] += f; - } else { - datain.position( left ); - float f = ((0x0000FFFF & datain.getShort()) * ( 1 - lowx_float )); - datain.position( right ); - f += ((0x0000FFFF & datain.getShort()) * highx_float); - totals[k] += f; - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * x_percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort())); - } else { - totals[k] += (0x0000FFFF & datain.getShort()); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (short)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_short( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ShortBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - int swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_short( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += datain.getShort() * ( 1 - lowx_float ); - datain.position( right ); - totals[k] += datain.getShort() * highx_float; - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort()); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getShort() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getShort(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (short)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_uint( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_uint( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * highx_float); - } else { - datain.position( left ); - totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * x_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - long tempInt0 = ( 0xFFFFFFFFL & datain.getInt( temp_index ) ); - datain.position( temp_index ); - long tempInt1 = ( 0xFFFFFFFFL & datain.getInt() ); - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())); - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - float value = 0.0f; - for( k = 0; k < components; k++ ) { - value = totals[k] / area; - dataout.position( outindex + k ); - if( value >= UINT_MAX ) { - dataout.put( (int)value ); - } else { - dataout.put( (int)(totals[k] / area) ); - } - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_int( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - long swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_int( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += (datain.getInt() * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += (datain.getInt() * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getInt() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getInt(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (int)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_float( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - FloatBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - float swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_float( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += (datain.getFloat() * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += (datain.getFloat() * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getFloat() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getFloat(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scaleInternalPackedPixel( int components, Extract extract, - int widthIn, int heightIn, ByteBuffer dataIn, int widthOut, - int heightOut, ByteBuffer dataOut, int pixelSizeInBytes, - int rowSizeInBytes, boolean isSwap ) { - float x, convx; - float y, convy; - float percent; - - // max components in a format is 4, so - float[] totals = new float[4]; - float[] extractTotals = new float[4]; - float[] extractMoreTotals = new float[4]; - float[] shoveTotals = new float[4]; - - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outIndex = 0; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( widthIn == widthOut * 2 && heightIn == heightOut * 2 ) { - HalveImage.halveImagePackedPixel( components, extract, widthIn, heightIn, dataIn, dataOut, - pixelSizeInBytes, rowSizeInBytes, isSwap ); - return; - } - convy = (float)heightIn / (float)heightOut; - convx = (float)widthIn / (float)widthOut; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convx_float; - - for( i = 0; i < heightOut; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightIn) - highy_int = heightIn - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthOut; j++ ) { - // ok now apply box filter to box that goes from( lowx, lowy ) - // to ( highx, highy ) on input data into this pixel on output data - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // calculate that value for pixels in the 1st row - xindex = lowx_int * pixelSizeInBytes; - if( (highy_int > lowy_int) && (highx_int > lowx_int) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * rowSizeInBytes; - percent = y_percent * ( 1 - lowx_float ); - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - right = temp; - percent = y_percent * highx_float; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - // calculate the value for pixels in the last row - - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - percent = y_percent * highx_float; - dataIn.position( temp ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - - // calculate the value for pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += rowSizeInBytes; - right += rowSizeInBytes; - dataIn.position( left ); - extract.extract( isSwap, dataIn, extractTotals ); - dataIn.position( right ); - extract.extract( isSwap, dataIn, extractMoreTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += ( extractTotals[k] * ( 1 - lowx_float ) + extractMoreTotals[k] * highx_float ); - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float ) * x_percent; - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * x_percent; - } - } - percent = x_percent * highy_float; - temp += rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - percent = y_percent * highx_float; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + pixelSizeInBytes + ( lowy_int + 1 ) * rowSizeInBytes; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - temp += pixelSizeInBytes; - } - temp0 += rowSizeInBytes; - } - - outIndex = ( j + ( i * widthOut ) ); - for( k = 0; k < components; k++ ) { - shoveTotals[k] = totals[k] / area; - } - extract.shove( shoveTotals, outIndex, dataOut ); - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthIn - 1) { - int delta = (highx_int - widthIn + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - assert( outIndex == ( widthOut * heightOut - 1) ); - } - - public static void scaleInternal3D( int components, int widthIn, int heightIn, - int depthIn, ShortBuffer dataIn, int widthOut, int heightOut, - int depthOut, ShortBuffer dataOut ) { - float x, lowx, highx, convx, halfconvx; - float y, lowy, highy, convy, halfconvy; - float z, lowz, highz, convz, halfconvz; - float xpercent, ypercent, zpercent; - float percent; - // max compnents in a format is 4 - float[] totals = new float[4]; - float volume; - int i, j, d, k, zint, yint, xint, xindex, yindex, zindex; - int temp; - - lowy = highy = lowx = highx = 0.0f; - - convz = (float)depthIn / depthOut; - convy = (float)heightIn / heightOut; - convx = (float)widthIn / widthOut; - halfconvz = convz / 2.0f; - halfconvy = convy / 2.0f; - halfconvx = convx / 2.0f; - for( d = 0; d < depthOut; d++ ) { - z = convz * ( d + 0.5f ); - if( depthIn > depthOut ) { - highz = z + halfconvz; - lowz = z - halfconvz; - } else { - highz = z + 0.5f; - lowz = z - 0.5f; - } - for( i = 0; i < heightOut; i++ ) { - y = convy * ( i + 0.5f ); - if( heightIn > heightOut ) { - highz = y + halfconvy; - lowz = y - halfconvy; - } else { - highz = y + 0.5f; - lowz = y - 0.5f; - } - for( j = 0; j < widthOut; j++ ) { - x = convx * ( j + 0.5f ); - if( depthIn > depthOut ) { - highz = x + halfconvx; - lowz = x - halfconvx; - } else { - highz = x + 0.5f; - lowz = x - 0.5f; - } - - // Ok, now apply box filter to box that goes from ( lowx, lowy, lowz ) - // to ( highx, highy, highz ) on input data into this pixel on output data - - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - volume = 0.0f; - - z = lowz; - zint = (int)(Math.floor( z ) ); - while( z < highz ) { - zindex = ( zint + depthIn ) % depthIn; - if( highz < zint + 1 ) { - zpercent = highz - z; - } else { - zpercent = zint + 1 - z; - } - - y = lowy; - yint = (int)(Math.floor( y ) ); - while( y < highy ) { - yindex = ( yint + heightIn ) % heightIn; - if( highy < yint + 1 ) { - ypercent = highy - y; - } else { - ypercent = yint + 1 - y; - } - - x = lowx; - xint = (int)(Math.floor( x ) ); - - while( x < highx ) { - xindex = (xint + widthIn ) % widthIn; - if( highx < xint + 1 ) { - xpercent = highx - x; - } else { - xpercent = xint + 1 - x; - } - - percent = xpercent * ypercent * zpercent; - volume += percent; - - temp = (xindex + ( yindex *widthIn) + (zindex * widthIn *heightIn)) * components; - for( k = 0; k < components; k++ ) { - assert( 0 <= (temp+k) && (temp+k) < (widthIn * heightIn * depthIn * components) ); - totals[k] += dataIn.get( temp + k ) * percent; - } - xint++; - x = xint; - } // while x - yint++; - y = yint; - } // while y - zint++; - z = zint; - } // while z - - temp = ( j + ( i * widthOut ) + (d * widthOut * heightOut ) ) * components; - for( k = 0; k < components; k++ ) { - // totals should be rounded in the case of enlarging an rgb ramp when the type is 332 or 4444 - assert( 0 <= ( temp + k ) && ( temp + k ) < (widthOut * heightOut* depthOut * components) ); - dataOut.put( temp + k, (short)((totals[k] + 0.5f) / volume ) ); - } - } - } - } - } - - public static int gluScaleImage3D( GL gl, int format, int widthIn, int heightIn, - int depthIn, int typeIn, ByteBuffer dataIn, int widthOut, int heightOut, - int depthOut, int typeOut, ByteBuffer dataOut ) { - int components; - ShortBuffer beforeImage, afterImage; - PixelStorageModes psm = new PixelStorageModes(); - - if( widthIn == 0 || heightIn == 0 || depthIn == 0 || - widthOut == 0 || heightOut == 0 || depthOut == 0 ) { - return( 0 ); - } - - if( widthIn < 0 || heightIn < 0 || depthIn < 0 || - widthOut < 0 || heightOut < 0 || depthOut < 0 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - if( !Mipmap.legalFormat(format) || !Mipmap.legalType(typeIn) || - !Mipmap.legalType(typeOut) || typeIn == GL2.GL_BITMAP || - typeOut == GL2.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } - - if( !Mipmap.isLegalFormatForPackedPixelType( format, typeIn ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - - if( !Mipmap.isLegalFormatForPackedPixelType( format, typeOut ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - - try { - beforeImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, - heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); - afterImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, - heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); - } catch( OutOfMemoryError err ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - Mipmap.retrieveStoreModes3D( gl, psm ); - - Image.fillImage3D( psm, widthIn, heightIn, depthIn, format, typeIn, - Mipmap.is_index( format ), dataIn, beforeImage ); - components = Mipmap.elements_per_group( format, 0 ); - ScaleInternal.scaleInternal3D( components, widthIn, heightIn, depthIn, - beforeImage, widthOut, heightOut, depthOut, afterImage ); - Image.emptyImage3D( psm, widthOut, heightOut, depthOut, format, typeOut, - Mipmap.is_index( format ), afterImage, dataOut ); - - return( 0 ); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java b/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java deleted file mode 100644 index fd2eabb65..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java +++ /dev/null @@ -1,224 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.mipmap; - -import java.nio.*; - -/** - * - * @author Administrator - */ -public class Type_Widget { - - ByteBuffer buffer; - - /** Creates a new instance of Type_Widget */ - public Type_Widget() { - buffer = ByteBuffer.allocateDirect( 4 ); - } - - public void setUB0( byte b ) { - buffer.position( 0 ); - buffer.put( b ); - } - - public byte getUB0() { - buffer.position( 0 ); - return( buffer.get() ); - } - - public void setUB1( byte b ) { - buffer.position( 1 ); - buffer.put( b ); - } - - public byte getUB1() { - buffer.position( 1 ); - return( buffer.get() ); - } - - public void setUB2( byte b ) { - buffer.position( 2 ); - buffer.put( b ); - } - - public byte getUB2() { - buffer.position( 2 ); - return( buffer.get() ); - } - - public void setUB3( byte b ) { - buffer.position( 3 ); - buffer.put( b ); - } - - public byte getUB3() { - buffer.position( 3 ); - return( buffer.get() ); - } - - public void setUS0( short s ) { - buffer.position( 0 ); - buffer.putShort( s ); - } - - public short getUS0() { - buffer.position( 0 ); - return( buffer.getShort() ); - } - - public void setUS1( short s ) { - buffer.position( 2 ); - buffer.putShort( s ); - } - - public short getUS1() { - buffer.position( 2 ); - return( buffer.getShort() ); - } - - public void setUI( int i ) { - buffer.position( 0 ); - buffer.putInt( i ); - } - - public int getUI() { - buffer.position( 0 ); - return( buffer.getInt() ); - } - - public void setB0( byte b ) { - buffer.position( 0 ); - buffer.put( b ); - } - - public byte getB0() { - buffer.position( 0 ); - return( buffer.get() ); - } - - public void setB1( byte b ) { - buffer.position( 1 ); - buffer.put( b ); - } - - public byte getB1() { - buffer.position( 1 ); - return( buffer.get() ); - } - - public void setB2( byte b ) { - buffer.position( 2 ); - buffer.put( b ); - } - - public byte getB2() { - buffer.position( 2 ); - return( buffer.get() ); - } - - public void setB3( byte b ) { - buffer.position( 3 ); - buffer.put( b ); - } - - public byte getB3() { - buffer.position( 3 ); - return( buffer.get() ); - } - - public void setS0( short s ) { - buffer.position( 0 ); - buffer.putShort( s ); - } - - public short getS0() { - buffer.position( 0 ); - return( buffer.getShort() ); - } - - public void setS1( short s ) { - buffer.position( 2 ); - buffer.putShort( s ); - } - - public short getS1() { - buffer.position( 2 ); - return( buffer.getShort() ); - } - - public void setI( int i ) { - buffer.position( 0 ); - buffer.putInt( i ); - } - - public int getI() { - buffer.position( 0 ); - return( buffer.getInt() ); - } - - public void setF( float f ) { - buffer.position( 0 ); - buffer.putFloat( f ); - } - - public float getF() { - buffer.position( 0 ); - return( buffer.getFloat() ); - } - - public ByteBuffer getBuffer() { - buffer.rewind(); - return( buffer ); - } - - public static void main( String args[] ) { - Type_Widget t = new Type_Widget(); - t.setI( 1000000 ); - - System.out.println("int: " + Integer.toHexString( t.getI() ) ); - - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Arc.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Arc.java deleted file mode 100755 index ed629d1da..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Arc.java +++ /dev/null @@ -1,258 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -*/ - -/** - * Trimming arc - * @author Tomas Hrasky - * - */ -public class Arc { - /** - * Corresponding picewise-linear arc - */ - public PwlArc pwlArc; - - /** - * Arc type - */ - private long type; - - /** - * Arc link in linked list - */ - public Arc link; - - /** - * Previous arc - */ - Arc prev; - - /** - * Next arc - */ - Arc next; - - /** - * Corresponding berizer type arc - */ - private BezierArc bezierArc; - - /** - * Makes new arc at specified side - * - * @param side - * which side doeas this arc form - */ - public Arc(int side) { - bezierArc = null; - pwlArc = null; - type = 0; - setside(side); - // nuid=_nuid - } - - /** - * Sets side the arc is at - * - * @param side - * arc side - */ - private void setside(int side) { - // DONE - clearside(); - type |= side << 8; - } - - /** - * Unsets side - */ - private void clearside() { - // DONE - type &= ~(0x7 << 8); - } - - // this one replaces enum arc_side - /** - * Side not specified - */ - public static final int ARC_NONE = 0; - - /** - * Arc on right - */ - public static final int ARC_RIGHT = 1; - - /** - * Arc on top - */ - public static final int ARC_TOP = 2; - - /** - * Arc on left - */ - public static final int ARC_LEFT = 3; - - /** - * Arc on bottom - */ - public static final int ARC_BOTTOM = 4; - - /** - * Bezier type flag - */ - private static final long BEZIER_TAG = 1 << 13; - - /** - * Arc type flag - */ - private static final long ARC_TAG = 1 << 3; - - /** - * Tail type tag - */ - private static final long TAIL_TAG = 1 << 6; - - /** - * Appends arc to the list - * - * @param jarc - * arc to be append - * @return this - */ - public Arc append(Arc jarc) { - // DONE - if (jarc != null) { - next = jarc.next; - prev = jarc; - next.prev = this; - prev.next = this; - } else { - next = this; - prev = this; - } - - return this; - } - - /** - * Unused - * - * @return true - */ - public boolean check() { - return true; - } - - /** - * Sets bezier type flag - */ - public void setbezier() { - // DONE - type |= BEZIER_TAG; - - } - - /** - * Returns tail of linked list coords - * - * @return tail coords - */ - public float[] tail() { - // DONE - return pwlArc.pts[0].param; - } - - /** - * Returns head of linked list coords - * - * @return head coords - */ - public float[] head() { - // DONE - return next.pwlArc.pts[0].param; - } - - /** - * Returns whether arc is marked with arc_tag - * - * @return is arc marked with arc_tag - */ - public boolean ismarked() { - // DONE - return ((type & ARC_TAG) > 0) ? true : false; - } - - /** - * Cleans arc_tag flag - */ - public void clearmark() { - // DONE - type &= (~ARC_TAG); - } - - /** - * Sets arc_tag flag - */ - public void setmark() { - // DONE - type |= ARC_TAG; - } - - /** - * sets tail tag - */ - public void setitail() { - // DONE - type |= TAIL_TAG; - } - - /** - * Returns whether arc is marked tail - * - * @return is tail - */ - public boolean getitail() { - return false; - } - - /** - * Unsets tail tag - */ - public void clearitail() { - // DONE - type &= (~TAIL_TAG); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcSdirSorter.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcSdirSorter.java deleted file mode 100755 index 9a7063886..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcSdirSorter.java +++ /dev/null @@ -1,63 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class for sorting list of Arcs - * @author Tomas Hrasky - * - */ -public class ArcSdirSorter { - - /** - * Makes new ArcSdirSorter with Subdivider - * @param subdivider subdivider - */ - public ArcSdirSorter(Subdivider subdivider) { - //TODO - // System.out.println("TODO arcsdirsorter.constructor"); - } - - /** - * Sorts list of arcs - * @param list arc list to be sorted - * @param count size of list - */ - public void qsort(CArrayOfArcs list, int count) { - // TODO - // System.out.println("TODO arcsdirsorter.qsort"); - } - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTdirSorter.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTdirSorter.java deleted file mode 100755 index 2fbb5181f..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTdirSorter.java +++ /dev/null @@ -1,60 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class for sorting list of Arcs - * @author Tomas Hrasky - * - */ -public class ArcTdirSorter { - /** - * Makes new ArcSdirSorter with Subdivider - * @param subdivider subdivider - */ - public ArcTdirSorter(Subdivider subdivider) { - // TODO Auto-generated constructor stub - // System.out.println("TODO arcTsorter.konstruktor"); - } - /** - * Sorts list of arcs - * @param list arc list to be sorted - * @param count size of list - */ - public void qsort(CArrayOfArcs list, int count) { - // TODO Auto-generated method stub - // System.out.println("TODO arcTsorter.qsort"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTesselator.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTesselator.java deleted file mode 100755 index c40780e76..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/ArcTesselator.java +++ /dev/null @@ -1,90 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class for arc tesselation - * @author Tomas Hrasky - * - */ -public class ArcTesselator { - - /** - * Makes given arc an bezier arc - * @param arc arc to work with - * @param s1 minimum s param - * @param s2 maximum s param - * @param t1 minimum t param - * @param t2 maximum s param - */ - public void bezier(Arc arc, float s1, float s2, float t1, float t2) { - // DONE - TrimVertex[] p = new TrimVertex[2]; - p[0] = new TrimVertex(); - p[1] = new TrimVertex(); - arc.pwlArc = new PwlArc(2, p); - p[0].param[0] = s1; - p[0].param[1] = s2; - p[1].param[0] = t1; - p[1].param[1] = t2; - arc.setbezier(); - } - - /** - * Empty method - * @param newright arc to work with - * @param s first tail - * @param t2 second tail - * @param t1 third tail - * @param f stepsize - */ - public void pwl_right(Arc newright, float s, float t1, float t2, float f) { - // TODO Auto-generated method stub - // System.out.println("TODO arctesselator.pwl_right"); - } - - /** - * Empty method - * @param newright arc to work with - * @param s first tail - * @param t2 second tail - * @param t1 third tail - * @param f stepsize - */ - public void pwl_left(Arc newright, float s, float t2, float t1, float f) { - // TODO Auto-generated method stub - // System.out.println("TODO arctesselator.pwl_left"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Backend.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Backend.java deleted file mode 100755 index caa17a74d..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Backend.java +++ /dev/null @@ -1,217 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class responsible for rendering - * @author Tomas Hrasky - * - */ -public abstract class Backend { - - /** - * Fill surface - */ - public static final int N_MESHFILL = 0; - - /** - * Draw surface as wire model - */ - public static final int N_MESHLINE = 1; - - /** - * Draw surface with points - */ - public static final int N_MESHPOINT = 2; - - /** - * Object rendering curves - */ - protected CurveEvaluator curveEvaluator; - - /** - * Object rendering surfaces - */ - protected SurfaceEvaluator surfaceEvaluator; - - /** - * Makes new backend - */ - public Backend() { - // curveEvaluator = new OpenGLCurveEvaluator(); - // surfaceEvaluator = new OpenGLSurfaceEvaluator(); - } - - /** - * Begin a curve - */ - public void bgncurv() { - // DONE - curveEvaluator.bgnmap1f(); - - } - - /** - * End a curve - */ - public void endcurv() { - // DONE - curveEvaluator.endmap1f(); - - } - - /** - * Make cuve with given parameters - * @param type curve type - * @param ps control points - * @param stride control points coordinates number - * @param order order of curve - * @param ulo smallest u - * @param uhi highest u - */ - public void curvpts(int type, CArrayOfFloats ps, int stride, int order, - float ulo, float uhi) { - // DONE - curveEvaluator.map1f(type, ulo, uhi, stride, order, ps); - curveEvaluator.enable(type); - } - - /** - * Draw curve - * @param u1 smallest u - * @param u2 highest u - * @param nu number of pieces - */ - public void curvgrid(float u1, float u2, int nu) { - // DONE - curveEvaluator.mapgrid1f(nu, u1, u2); - - } - - /** - * Evaluates curve mesh - * @param from low param - * @param n step - */ - public void curvmesh(int from, int n) { - // DONE - curveEvaluator.mapmesh1f(N_MESHFILL, from, from + n); - } - - /** - * Begin surface - * @param wiretris use triangles - * @param wirequads use quads - */ - public void bgnsurf(int wiretris, int wirequads) { - // DONE - surfaceEvaluator.bgnmap2f(); - - if (wiretris > 0) - surfaceEvaluator.polymode(NurbsConsts.N_MESHLINE); - else - surfaceEvaluator.polymode(NurbsConsts.N_MESHFILL); - } - - /** - * End surface - */ - public void endsurf() { - // DONE - surfaceEvaluator.endmap2f(); - } - - /** - * Empty method - * @param ulo low u param - * @param uhi hig u param - * @param vlo low v param - * @param vhi high v param - */ - public void patch(float ulo, float uhi, float vlo, float vhi) { - // DONE - surfaceEvaluator.domain2f(ulo, uhi, vlo, vhi); - } - - /** - * Draw surface - * @param u0 lowest u - * @param u1 highest u - * @param nu number of pieces in u direction - * @param v0 lowest v - * @param v1 highest v - * @param nv number of pieces in v direction - */ - public void surfgrid(float u0, float u1, int nu, float v0, float v1, int nv) { - // DONE - surfaceEvaluator.mapgrid2f(nu, u0, u1, nv, v0, v1); - - } - - /** - * Evaluates surface mesh - * @param u u param - * @param v v param - * @param n step in u direction - * @param m step in v direction - */ - public void surfmesh(int u, int v, int n, int m) { - // System.out.println("TODO backend.surfmesh wireframequads"); - // TODO wireframequads - surfaceEvaluator.mapmesh2f(NurbsConsts.N_MESHFILL, u, u + n, v, v + m); - } - - /** - * Make surface - * @param type surface type - * @param pts control points - * @param ustride control points coordinates in u direction - * @param vstride control points coordinates in v direction - * @param uorder surface order in u direction - * @param vorder surface order in v direction - * @param ulo lowest u - * @param uhi hightest u - * @param vlo lowest v - * @param vhi hightest v - */ - public void surfpts(int type, CArrayOfFloats pts, int ustride, int vstride, - int uorder, int vorder, float ulo, float uhi, float vlo, float vhi) { - // DONE - surfaceEvaluator.map2f(type, ulo, uhi, ustride, uorder, vlo, vhi, - vstride, vorder, pts); - surfaceEvaluator.enable(type); - - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/BezierArc.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/BezierArc.java deleted file mode 100755 index e249787f6..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/BezierArc.java +++ /dev/null @@ -1,44 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Empty class - * @author Tomas Hrasky - * - */ -public class BezierArc { - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Bin.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Bin.java deleted file mode 100755 index 4a1ac1401..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Bin.java +++ /dev/null @@ -1,155 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding trimming arcs - * @author Tomas Hrasky - * - */ -public class Bin { - - /** - * Head of linked list of arcs - */ - private Arc head; - - /** - * Current arc - */ - private Arc current; - - /** - * Indicates whether there are any Arcs in linked list - * @return true if there are any Arcs in linked list - */ - public boolean isnonempty() { - // DONE - return this.head != null ? true : false; - } - - /** - * Adds and arc to linked list - * @param jarc added arc - */ - public void addarc(Arc jarc) { - // DONE - // if (head == null) - // head = jarc; - // else { - jarc.link = head; - head = jarc; - // } - - } - - /** - * Returns number of arcs in linked list - * @return number of arcs - */ - public int numarcs() { - // DONE - int count = 0; - for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) - count++; - return count; - } - - /** - * Removes first arc in list - * @return new linked list head - */ - public Arc removearc() { - // DONE - Arc jarc = head; - if (jarc != null) - head = jarc.link; - return jarc; - - } - - /** - * Consolidates linked list - */ - public void adopt() { - // DONE - markall(); - - Arc orphan; - while ((orphan = removearc()) != null) { - for (Arc parent = orphan.next; !parent.equals(orphan); parent = parent.next) { - if (!parent.ismarked()) { - orphan.link = parent.link; - parent.link = orphan; - orphan.clearmark(); - break; - } - } - } - - } - - /** - * Marks all arc in linked list - */ - private void markall() { - // DONE - for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) - jarc.setmark(); - } - - /** - * Returns first arc in linked list - * @return first arc in linked list - */ - private Arc firstarc() { - // DONE - current = head; - return nextarc(); - } - - /** - * Returns next arc in linked list - * @return next arc - * - */ - private Arc nextarc() { - // DONE - Arc jarc = current; - if (jarc != null) - current = jarc.link; - return jarc; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Breakpt.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Breakpt.java deleted file mode 100755 index d088de87f..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Breakpt.java +++ /dev/null @@ -1,59 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding break point parameters - * - * @author Tomas Hrasky - * - */ -public class Breakpt { - - /** - * Breakpoint multiplicity - */ - public int multi; - - /** - * Breakpint value - */ - public float value; - - /** - * Breakpoint deficit (how many times it has to be added) - */ - public int def; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfArcs.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfArcs.java deleted file mode 100755 index 3d6e1d47f..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfArcs.java +++ /dev/null @@ -1,194 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/** - * Class replacing C language pointer - * - * @author Tomas Hrasky - * - */ -public class CArrayOfArcs { - /** - * Underlaying array - */ - private Arc[] array; - - /** - * Pointer to array member - */ - private int pointer; - - /** - * Don't check for array borders? - */ - private boolean noCheck = true; - - /** - * Makes new CArray - * - * @param array - * underlaying array - * @param pointer - * pointer (index) to array - */ - public CArrayOfArcs(Arc[] array, int pointer) { - this.array = array; - // this.pointer=pointer; - setPointer(pointer); - } - - /** - * Makes new CArray from other CArray - * - * @param carray - * reference array - */ - public CArrayOfArcs(CArrayOfArcs carray) { - this.array = carray.array; - // this.pointer=carray.pointer; - setPointer(carray.pointer); - } - - /** - * Makes new CArray with pointer set to 0 - * - * @param ctlarray - * underlaying array - */ - public CArrayOfArcs(Arc[] ctlarray) { - this.array = ctlarray; - this.pointer = 0; - } - - /** - * Returns element at pointer - * - * @return element at pointer - */ - public Arc get() { - return array[pointer]; - } - - /** - * Increases pointer by one (++) - */ - public void pp() { - // pointer++; - setPointer(pointer + 1); - } - - /** - * Sets element at pointer - * - * @param f - * desired value - */ - public void set(Arc f) { - array[pointer] = f; - - } - - /** - * Returns array element at specified index - * - * @param i - * array index - * @return element at index - */ - public Arc get(int i) { - return array[i]; - } - - /** - * Returns array element at specified index relatively to pointer - * - * @param i - * relative index - * @return element at relative index - */ - public Arc getRelative(int i) { - return array[pointer + i]; - } - - /** - * Sets value of element at specified index relatively to pointer - * - * @param i - * relative index - * @param value - * value to be set - */ - public void setRelative(int i, Arc value) { - array[pointer + i] = value; - } - - /** - * Lessens pointer by value - * - * @param i - * lessen by - */ - public void lessenPointerBy(int i) { - // pointer-=i; - setPointer(pointer - i); - } - - /** - * Returns pointer value - * - * @return pointer value - */ - public int getPointer() { - return pointer; - } - - /** - * Sets ponter value - * - * @param pointer - * pointer value to be set - */ - public void setPointer(int pointer) { - if (!noCheck && pointer > array.length) - throw new IllegalArgumentException("Pointer " + pointer - + " out of bounds " + array.length); - this.pointer = pointer; - } - - /** - * Raises pointer by value - * - * @param i - * raise by - */ - public void raisePointerBy(int i) { - // pointer+=i; - setPointer(pointer + i); - } - - /** - * Lessens ponter by one (--) - */ - public void mm() { - // pointer--; - setPointer(pointer - 1); - } - - /** - * Returns underlaying array - * - * @return underlaying array - */ - public Arc[] getArray() { - return array; - } - - /** - * Sets underlaying array - * - * @param array - * underlaying array - */ - public void setArray(Arc[] array) { - this.array = array; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfBreakpts.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfBreakpts.java deleted file mode 100755 index f5932d954..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfBreakpts.java +++ /dev/null @@ -1,130 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/** - * Class replacing C language pointer - * - * @author Tomas Hrasky - * - */ -public class CArrayOfBreakpts { - /** - * Underlaying array - */ - private Breakpt[] pole; - - /** - * Pointer to array member - */ - private int pointer; - - /** - * Makes new CArray - * - * @param array - * underlaying array - * @param pointer - * pointer (index) to array - */ - public CArrayOfBreakpts(Breakpt[] array, int pointer) { - this.pole = array; - this.pointer = pointer; - } - - /** - * Makes new CArray from other CArray - * - * @param carray - * reference array - */ - public CArrayOfBreakpts(CArrayOfBreakpts carray) { - this.pole = carray.pole; - this.pointer = carray.pointer; - } - - /** - * Returns element at pointer - * - * @return element at pointer - */ - public Breakpt get() { - return pole[pointer]; - } - - /** - * Increases pointer by one (++) - */ - public void pp() { - pointer++; - } - - /** - * Sets element at pointer - * - * @param f - * desired value - */ - public void set(Breakpt f) { - pole[pointer] = f; - - } - - /** - * Returns array element at specified index - * - * @param i - * array index - * @return element at index - */ - public Breakpt get(int i) { - return pole[i]; - } - - /** - * Lessens pointer by value - * - * @param i - * lessen by - */ - public void lessenPointerBy(int i) { - pointer -= i; - - } - - /** - * Returns pointer value - * - * @return pointer value - */ - public int getPointer() { - return pointer; - } - - /** - * Sets ponter value - * - * @param pointer - * pointer value to be set - */ - public void setPointer(int pointer) { - this.pointer = pointer; - } - - /** - * Raises pointer by value - * - * @param i - * raise by - */ - public void raisePointerBy(int i) { - pointer += i; - - } - - /** - * Lessens ponter by one (--) - */ - public void mm() { - pointer--; - - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfFloats.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfFloats.java deleted file mode 100755 index fb3fac69b..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfFloats.java +++ /dev/null @@ -1,195 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/** - * Class replacing C language pointer - * - * @author Tomas Hrasky - * - */ -public class CArrayOfFloats { - - /** - * Underlaying array - */ - private float[] array; - - /** - * Pointer to array member - */ - private int pointer; - - /** - * Don't check for array borders? - */ - private boolean noCheck = true; - - /** - * Makes new CArray - * - * @param array - * underlaying array - * @param pointer - * pointer (index) to array - */ - public CArrayOfFloats(float[] array, int pointer) { - this.array = array; - // this.pointer=pointer; - setPointer(pointer); - } - - /** - * Makes new CArray from other CArray - * - * @param carray - * reference array - */ - public CArrayOfFloats(CArrayOfFloats carray) { - this.array = carray.array; - // this.pointer=carray.pointer; - setPointer(carray.pointer); - } - - /** - * Makes new CArray with pointer set to 0 - * - * @param ctlarray - * underlaying array - */ - public CArrayOfFloats(float[] ctlarray) { - this.array = ctlarray; - this.pointer = 0; - } - - /** - * Returns element at pointer - * - * @return element at pointer - */ - public float get() { - return array[pointer]; - } - - /** - * Increases pointer by one (++) - */ - public void pp() { - // pointer++; - setPointer(pointer + 1); - } - - /** - * Sets element at pointer - * - * @param f - * desired value - */ - public void set(float f) { - array[pointer] = f; - - } - - /** - * Returns array element at specified index - * - * @param i - * array index - * @return element at index - */ - public float get(int i) { - return array[i]; - } - - /** - * Returns array element at specified index relatively to pointer - * - * @param i - * relative index - * @return element at relative index - */ - public float getRelative(int i) { - return array[pointer + i]; - } - - /** - * Sets value of element at specified index relatively to pointer - * - * @param i - * relative index - * @param value - * value to be set - */ - public void setRelative(int i, float value) { - array[pointer + i] = value; - } - - /** - * Lessens pointer by value - * - * @param i - * lessen by - */ - public void lessenPointerBy(int i) { - // pointer-=i; - setPointer(pointer - i); - } - - /** - * Returns pointer value - * - * @return pointer value - */ - public int getPointer() { - return pointer; - } - - /** - * Sets ponter value - * - * @param pointer - * pointer value to be set - */ - public void setPointer(int pointer) { - if (!noCheck && pointer > array.length) - throw new IllegalArgumentException("Pointer " + pointer - + " out of bounds " + array.length); - this.pointer = pointer; - } - - /** - * Raises pointer by value - * - * @param i - * raise by - */ - public void raisePointerBy(int i) { - // pointer+=i; - setPointer(pointer + i); - } - - /** - * Lessens ponter by one (--) - */ - public void mm() { - // pointer--; - setPointer(pointer - 1); - } - - /** - * Returns underlaying array - * - * @return underlaying array - */ - public float[] getArray() { - return array; - } - - /** - * Sets underlaying array - * - * @param array - * underlaying array - */ - public void setArray(float[] array) { - this.array = array; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java deleted file mode 100755 index fed301895..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java +++ /dev/null @@ -1,160 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/** - * Class replacing C language pointer - * - * @author Tomas Hrasky - * - */ -public class CArrayOfQuiltspecs { - /** - * Underlaying array - */ - private Quiltspec[] array; - - /** - * Pointer to array member - */ - private int pointer; - - /** - * Makes new CArray - * - * @param array - * underlaying array - * @param pointer - * pointer (index) to array - */ - public CArrayOfQuiltspecs(Quiltspec[] array, int pointer) { - this.array = array; - this.pointer = pointer; - } - - /** - * Makes new CArray from other CArray - * - * @param carray - * reference array - */ - public CArrayOfQuiltspecs(CArrayOfQuiltspecs carray) { - this.array = carray.array; - this.pointer = carray.pointer; - } - - /** - * Makes new CArray with pointer set to 0 - * - * @param array - * underlaying array - */ - public CArrayOfQuiltspecs(Quiltspec[] array) { - this.array = array; - this.pointer = 0; - } - - /** - * Returns element at pointer - * - * @return element at pointer - */ - public Quiltspec get() { - return array[pointer]; - } - - /** - * Increases pointer by one (++) - */ - public void pp() { - pointer++; - } - - /** - * Sets element at pointer - * - * @param f - * desired value - */ - public void set(Quiltspec f) { - array[pointer] = f; - - } - - /** - * Returns array element at specified index - * - * @param i - * array index - * @return element at index - */ - public Quiltspec get(int i) { - return array[i]; - } - - /** - * Lessens pointer by value - * - * @param i - * lessen by - */ - public void lessenPointerBy(int i) { - pointer -= i; - - } - - /** - * Returns pointer value - * - * @return pointer value - */ - public int getPointer() { - return pointer; - } - - /** - * Sets ponter value - * - * @param pointer - * pointer value to be set - */ - public void setPointer(int pointer) { - this.pointer = pointer; - } - - /** - * Raises pointer by value - * - * @param i - * raise by - */ - public void raisePointerBy(int i) { - pointer += i; - - } - - /** - * Lessens ponter by one (--) - */ - public void mm() { - pointer--; - - } - - /** - * Returns underlaying array - * - * @return underlaying array - */ - public Quiltspec[] getArray() { - return array; - } - - /** - * Sets underlaying array - * - * @param array - * underlaying array - */ - public void setArray(Quiltspec[] array) { - this.array = array; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curve.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curve.java deleted file mode 100755 index 752d7ac2e..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curve.java +++ /dev/null @@ -1,238 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding curve definition - * @author Tomáš Hráský - * - */ -public class Curve { - - /** - * Maximum coordinates per control point - */ - private static final int MAXCOORDS = 5; - - /** - * Max curve order - */ - private static final int MAXORDER = 24; - - /** - * Next curve in linked list - */ - public Curve next; - - /** - * OpenGL maps - */ - private Mapdesc mapdesc; - - /** - * Does the curve need sampling - */ - private boolean needsSampling; - - /** - * Culling - */ - private int cullval; - - /** - * Number of coords - */ - private int stride; - - /** - * Curve order - */ - private int order; - - /** - * Holds conversion range borders - */ - private float[] range; - - /** - * Subdivision stepsize - */ - public float stepsize; - - /** - * Minimal subdivision stepsize - */ - private float minstepsize; - - /** - * Sampling points - */ - float[] spts; - - /** - * Makes new Curve - * - * @param geo - * @param pta - * @param ptb - * @param c - * next curve in linked list - */ - public Curve(Quilt geo, float[] pta, float[] ptb, Curve c) { - - spts = new float[MAXORDER * MAXCOORDS]; - - mapdesc = geo.mapdesc; - - next = c; - needsSampling = mapdesc.isRangeSampling() ? true : false; - - cullval = mapdesc.isCulling() ? Subdivider.CULL_ACCEPT - : Subdivider.CULL_TRIVIAL_REJECT; - order = geo.qspec.get(0).order; - stride = MAXCOORDS; - - // CArrayOfFloats ps = geo.cpts; - CArrayOfFloats ps = new CArrayOfFloats(geo.cpts.getArray(), 0); - CArrayOfQuiltspecs qs = geo.qspec; - ps.raisePointerBy(qs.get().offset); - ps.raisePointerBy(qs.get().index * qs.get().order * qs.get().stride); - - if (needsSampling) { - mapdesc.xformSampling(ps, qs.get().order, qs.get().stride, spts, - stride); - } - if (cullval == Subdivider.CULL_ACCEPT) { - // System.out.println("TODO curve.Curve-cullval"); - // mapdesc.xformCulling(ps,qs.get().order,qs.get().stride,cpts,stride); - } - - range = new float[3]; - range[0] = qs.get().breakpoints[qs.get().index]; - range[1] = qs.get().breakpoints[qs.get().index + 1]; - range[2] = range[1] - range[0]; - // TODO it is necessary to solve problem with "this" pointer here - if (range[0] != pta[0]) { - // System.out.println("TODO curve.Curve-range0"); - // Curve lower=new Curve(this,pta,0); - // lower.next=next; - // this=lower; - } - if (range[1] != ptb[0]) { - // System.out.println("TODO curve.Curve-range1"); - // Curve lower=new Curve(this,ptb,0); - } - } - - /** - * Checks culling type - * @return Subdivider.CULL_ACCEPT - */ - public int cullCheck() { - if (cullval == Subdivider.CULL_ACCEPT) { - // System.out.println("TODO curve.cullval"); - // cullval=mapdesc.cullCheck(cpts,order,stride); - } - // TODO compute cullval and return the computed value - // return cullval; - return Subdivider.CULL_ACCEPT; - } - - /** - * Computes subdivision step size - */ - public void getStepSize() { - minstepsize = 0; - if (mapdesc.isConstantSampling()) { - setstepsize(mapdesc.maxrate); - } else if (mapdesc.isDomainSampling()) { - setstepsize(mapdesc.maxrate * range[2]); - } else { - assert (order <= MAXORDER); - - float tmp[][] = new float[MAXORDER][MAXCOORDS]; - - int tstride = (MAXORDER); - - int val = 0; - // mapdesc.project(spts,stride,tmp,tstride,order); - - // System.out.println("TODO curve.getsptepsize mapdesc.project"); - - if (val == 0) { - setstepsize(mapdesc.maxrate); - } else { - float t = mapdesc.getProperty(NurbsConsts.N_PIXEL_TOLERANCE); - if (mapdesc.isParametricDistanceSampling()) { - // System.out.println("TODO curve.getstepsize - parametric"); - } else if (mapdesc.isPathLengthSampling()) { - // System.out.println("TODO curve.getstepsize - pathlength"); - } else { - setstepsize(mapdesc.maxrate); - } - } - - } - - } - - /** - * Sets maximum subdivision step size - * @param max maximum subdivision step size - */ - private void setstepsize(float max) { - // DONE - stepsize = (max >= 1) ? (range[2] / max) : range[2]; - minstepsize = stepsize; - } - - /** - * Clamps the curve - */ - public void clamp() { - // DONE - if (stepsize < minstepsize) - stepsize = mapdesc.clampfactor * minstepsize; - } - - /** - * Tells whether curve needs subdivision - * - * @return curve needs subdivison - */ - public boolean needsSamplingSubdivision() { - return (stepsize < minstepsize); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CurveEvaluator.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CurveEvaluator.java deleted file mode 100755 index ddfe30ad8..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/CurveEvaluator.java +++ /dev/null @@ -1,86 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class rendering curves with OpenGL - * @author Tomáš Hráský - * - */ -public interface CurveEvaluator { - /** - * Pushes eval bit - */ - public void bgnmap1f(); - - /** - * Pops all OpenGL attributes - */ - public void endmap1f() ; - - /** - * Initializes opengl evaluator - * @param type curve type - * @param ulo lowest u - * @param uhi highest u - * @param stride control point coords - * @param order curve order - * @param ps control points - */ - public void map1f(int type, float ulo, float uhi, int stride, int order, - CArrayOfFloats ps) ; - - /** - * Calls opengl enable - * @param type what to enable - */ - public void enable(int type) ; - - /** - * Calls glMapGrid1f - * @param nu steps - * @param u1 low u - * @param u2 high u - */ - public void mapgrid1f(int nu, float u1, float u2) ; - - /** - * Evaluates a curve using glEvalMesh1f - * @param style Backend.N_MESHFILL/N_MESHLINE/N_MESHPOINT - * @param from lowest param - * @param to highest param - */ - public void mapmesh1f(int style, int from, int to) ; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curvelist.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curvelist.java deleted file mode 100755 index 2de7e8208..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Curvelist.java +++ /dev/null @@ -1,121 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class for woking with linked list of curves - * @author Tomas Hrasky - * - */ -public class Curvelist { - - /** - * Head of linked list - */ - private Curve curve; - - /** - * Holds conversion range borders - */ - float[] range; - - /** - * Subdivision step size - */ - public float stepsize; - - /** - * Do curves need subdivision? - */ - private boolean needsSubdivision; - - /** - * Makes new instance on top of specified lis of Quilts - * @param qlist underlaying list of quilts - * @param pta range start - * @param ptb range end - */ - public Curvelist(Quilt qlist, float[] pta, float[] ptb) { - // DONE - curve = null; - range = new float[3]; - - for (Quilt q = qlist; q != null; q = q.next) { - curve = new Curve(q, pta, ptb, curve); - } - range[0] = pta[0]; - range[1] = ptb[0]; - range[2] = range[1] - range[0]; - } - - /** - * Compute step size - */ - public void getstepsize() { - // DONE - stepsize = range[2]; - Curve c; - for (c = curve; c != null; c = c.next) { - c.getStepSize(); - c.clamp(); - stepsize = (c.stepsize < stepsize) ? c.stepsize : stepsize; - if (c.needsSamplingSubdivision()) - break; - } - needsSubdivision = (c != null) ? true : false; - - } - - /** - * Indicates whether curves need subdivision - * @return curves need subdivision - */ - public boolean needsSamplingSubdivision() { - // DONE - return needsSubdivision; - } - - /** - * Checks for culling - * @return Subdivider.CULL_TRIVIAL_REJECT or Subdivider.CULL_ACCEPT - */ - public int cullCheck() { - // DONE - for (Curve c = curve; c != null; c = c.next) - if (c.cullCheck() == Subdivider.CULL_TRIVIAL_REJECT) - return Subdivider.CULL_TRIVIAL_REJECT; - return Subdivider.CULL_ACCEPT; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/DisplayList.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/DisplayList.java deleted file mode 100755 index d0090d7f6..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/DisplayList.java +++ /dev/null @@ -1,56 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -import java.lang.reflect.Method; - -/** - * Display list - * @author Tomas Hrasky - * - */ -public class DisplayList { - - /** - * Append action to the display list - * @param src source object to invoke method on - * @param m invoked method - * @param arg method argument - */ - public void append(Object src, Method m, Object arg) { - // TODO Auto-generated method stub - // System.out.println("TODO displaylist append"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Flist.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Flist.java deleted file mode 100755 index c329a5cf7..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Flist.java +++ /dev/null @@ -1,130 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -import java.util.Arrays; - -/** - * List of breakpoints - * @author Tomas Hrasky - * - */ -public class Flist { - - /** - * Data elements end index - * - */ - public int end; - - /** - *Data elements start index - */ - public int start; - - /** - * Breakpoint values - */ - public float[] pts; - - /** - * Number of array fields - */ - private int npts; - - /** - * Grows list - * @param maxpts maximum desired size - */ - public void grow(int maxpts) { - // DONE - if (npts < maxpts) { - // npts=2*maxpts; - npts = maxpts; - pts = new float[npts]; - } - start = 0; - end = 0; - } - - /** - * Removes duplicate array elemnts - */ - public void filter() { - // INFO the aim of this method is to remove duplicates from array - - Arrays.sort(pts); - - start = 0; - - int j = 0; - - for (int i = 1; i < end; i++) { - if (pts[i] == pts[i - j - 1]) - j++; - pts[i - j] = pts[i]; - } - - end -= j; - - } - - /** - * Sets start and and to real start and end of array elements - * @param from start from - * @param to end at - */ - public void taper(float from, float to) { - // DONE - - while (pts[start] != from) { - start++; - } - - while (pts[end - 1] != to) { - end--; - } - - } - - /** - * Adds breakpoint value - * @param f value - */ - public void add(float f) { - //DONE - pts[end++] = f; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotspec.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotspec.java deleted file mode 100755 index a6b3c458c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotspec.java +++ /dev/null @@ -1,557 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Knot vector specification - * - * @author Tomas Hrasky - * - */ -public class Knotspec { - - /** - * Begin of input knots - */ - public CArrayOfFloats inkbegin; - - /** - * End of input knots - */ - public CArrayOfFloats inkend; - - /** - * Stride before knot operations - */ - public int prestride; - - /** - * Curve order - */ - public int order; - - /** - * Next knot specification in linked list (used in surfaces) - */ - public Knotspec next; - - /** - * Last knot - */ - public CArrayOfFloats klast; - - /** - * First knot - */ - CArrayOfFloats kfirst; - - /** - * Beginning of breakpoints - */ - CArrayOfBreakpts bbegin; - - /** - * End of breakpoints - */ - CArrayOfBreakpts bend; - - /** - * Considered left end knot - */ - CArrayOfFloats kleft; - - /** - * Considered right end knot - */ - CArrayOfFloats kright; - - /** - * Offset before knot operations - */ - int preoffset; - - /** - * Control points array Length after knot operations - */ - int postwidth; - - /** - * Beginning of coeficients array - */ - private CArrayOfFloats sbegin; - - /** - * Beginning of output knots - */ - private CArrayOfFloats outkbegin; - - /** - * End of output knots - */ - private CArrayOfFloats outkend; - - /** - * Control points aray length before knot operations - */ - int prewidth; - - /** - * Offset after knot operations - */ - int postoffset; - - /** - * Number of control points' coordinates after knot operations - */ - public int poststride; - - /** - * Number of control points' coordinates - */ - public int ncoords; - - /** - * Tell whether knotspec has already benn transformed - */ - public boolean istransformed; - - /** - * Knotspec to be transformed - */ - public Knotspec kspectotrans; - - /** - * Finds knot border of knot insertion and required multiplicities - */ - public void preselect() { - // DONE - float kval; - - klast = new CArrayOfFloats(inkend); - klast.lessenPointerBy(order); - for (kval = klast.get(); klast.getPointer() != inkend.getPointer(); klast - .pp()) { - if (!Knotvector.identical(klast.get(), kval)) - break; - } - - kfirst = new CArrayOfFloats(inkbegin); - kfirst.raisePointerBy(order - 1); - for (kval = kfirst.get(); kfirst.getPointer() != inkend.getPointer(); kfirst - .pp()) { - if (!Knotvector.identical(kfirst.get(), kval)) - break; - } - - CArrayOfFloats k = new CArrayOfFloats(kfirst); - k.mm(); - - for (; k.getPointer() >= inkbegin.getPointer(); k.mm()) - if (!Knotvector.identical(kval, k.get())) - break; - k.pp(); - - Breakpt[] bbeginArray = new Breakpt[(klast.getPointer() - kfirst - .getPointer()) + 1]; - for (int i = 0; i < bbeginArray.length; i++) - bbeginArray[i] = new Breakpt(); - bbegin = new CArrayOfBreakpts(bbeginArray, 0); - bbegin.get().multi = kfirst.getPointer() - k.getPointer(); - bbegin.get().value = kval; - - bend = new CArrayOfBreakpts(bbegin); - kleft = new CArrayOfFloats(kfirst); - kright = new CArrayOfFloats(kfirst); - - } - - /** - * Perpares knotspec for transformation - */ - public void select() { - // DONE - breakpoints(); - knots(); - factors(); - - preoffset = kleft.getPointer() - (inkbegin.getPointer() + order); - postwidth = ((bend.getPointer() - bbegin.getPointer()) * order); - prewidth = (outkend.getPointer() - outkbegin.getPointer()) - order; - postoffset = (bbegin.get().def > 1) ? (bbegin.get().def - 1) : 0; - - } - - /** - * Computes alpha factors for computing new control points - */ - private void factors() { - // DONE - CArrayOfFloats mid = new CArrayOfFloats(outkend.getArray(), (outkend - .getPointer() - 1) - - order + bend.get().multi); - - CArrayOfFloats fptr = null; - if (sbegin != null) - fptr = new CArrayOfFloats(sbegin); - - for (CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); bpt - .getPointer() >= bbegin.getPointer(); bpt.mm()) { - mid.lessenPointerBy(bpt.get().multi); - int def = bpt.get().def - 1; - if (def < 0) - continue; - float kv = bpt.get().value; - - CArrayOfFloats kf = new CArrayOfFloats(mid.getArray(), (mid - .getPointer() - def) - + (order - 1)); - for (CArrayOfFloats kl = new CArrayOfFloats(kf.getArray(), kf - .getPointer() - + def); kl.getPointer() != kf.getPointer(); kl.mm()) { - CArrayOfFloats kh, kt; - for (kt = new CArrayOfFloats(kl), kh = new CArrayOfFloats(mid); kt - .getPointer() != kf.getPointer(); kh.mm(), kt.mm()) { - fptr.set((kv - kh.get()) / (kt.get() - kh.get())); - fptr.pp(); - } - kl.set(kv); - } - } - - } - - /** - * Makes new knot vector - */ - private void knots() { - // DONE - CArrayOfFloats inkpt = new CArrayOfFloats(kleft.getArray(), kleft - .getPointer() - - order); - CArrayOfFloats inkend = new CArrayOfFloats(kright.getArray(), kright - .getPointer() - + bend.get().def); - - outkbegin = new CArrayOfFloats(new float[inkend.getPointer() - - inkpt.getPointer()], 0); - CArrayOfFloats outkpt; - for (outkpt = new CArrayOfFloats(outkbegin); inkpt.getPointer() != inkend - .getPointer(); inkpt.pp(), outkpt.pp()) { - outkpt.set(inkpt.get()); - } - outkend = new CArrayOfFloats(outkpt); - } - - /** - * Analyzes breakpoints - */ - private void breakpoints() { - // DONE - CArrayOfBreakpts ubpt = new CArrayOfBreakpts(bbegin); - CArrayOfBreakpts ubend = new CArrayOfBreakpts(bend); - int nfactors = 0; - - ubpt.get().value = ubend.get().value; - ubpt.get().multi = ubend.get().multi; - - kleft = new CArrayOfFloats(kright); - - for (; kright.getPointer() != klast.getPointer(); kright.pp()) { - if (Knotvector.identical(kright.get(), ubpt.get().value)) { - ubpt.get().multi++; - } else { - ubpt.get().def = order - ubpt.get().multi; - nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; - ubpt.pp(); - ubpt.get().value = kright.get(); - ubpt.get().multi = 1; - } - } - ubpt.get().def = order - ubpt.get().multi; - nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; - - bend = new CArrayOfBreakpts(ubpt); - - if (nfactors > 0) { - sbegin = new CArrayOfFloats(new float[nfactors], 0); - } else { - sbegin = null; - } - - } - - /** - * Copies control points - * - * @param _inpt - * input control points - * @param _outpt - * output control points - */ - public void copy(CArrayOfFloats _inpt, CArrayOfFloats _outpt) { - CArrayOfFloats inpt = new CArrayOfFloats(_inpt); - CArrayOfFloats outpt = new CArrayOfFloats(_outpt); - - inpt.raisePointerBy(preoffset); - if (next != null) { - for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), - outpt.getPointer() + prewidth); outpt.getPointer() != lpt - .getPointer(); outpt.raisePointerBy(poststride)) { - next.copy(inpt, outpt); - inpt.raisePointerBy(prestride); - } - - } else { - for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), - outpt.getPointer() + prewidth); outpt.getPointer() != lpt - .getPointer(); outpt.raisePointerBy(poststride)) { - pt_io_copy(outpt, inpt); - inpt.raisePointerBy(prestride); - } - } - - } - - /** - * Copies one control point to other - * - * @param topt - * source control point - * @param frompt - * destination control point - */ - private void pt_io_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { - // DONE - switch (ncoords) { - case 4: - topt.setRelative(3, frompt.getRelative(3)); - case 3: - topt.setRelative(2, frompt.getRelative(2)); - case 2: - topt.setRelative(1, frompt.getRelative(1)); - case 1: - topt.set(frompt.get()); - break; - default: - // TODO break with copying in general case - // System.out.println("TODO knotspec.pt_io_copy"); - break; - } - - } - - /** - * Inserts a knot - * - * @param _p - * inserted knot - */ - public void transform(CArrayOfFloats _p) { - CArrayOfFloats p = new CArrayOfFloats(_p); - // DONE - if (next != null) {//surface code - if (this.equals(kspectotrans)) { - next.transform(p); - } else { - if (istransformed) { - p.raisePointerBy(postoffset); - for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), - p.getPointer() + postwidth); p.getPointer() != pend - .getPointer(); p.raisePointerBy(poststride)) - next.transform(p); - - } else { - CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p - .getPointer() - + prewidth); - for (; p.getPointer() != pend.getPointer(); p - .raisePointerBy(poststride)) - next.transform(p); - } - } - - } else {//code for curve - if (this.equals(kspectotrans)) { - insert(p); - } else { - if (istransformed) { - p.raisePointerBy(postoffset); - for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), - p.getPointer() + postwidth); p.getPointer() != pend - .getPointer(); p.raisePointerBy(poststride)) { - kspectotrans.insert(p); - } - } else { - CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p - .getPointer() - + prewidth); - for (; p.getPointer() != pend.getPointer(); p - .raisePointerBy(poststride)) - kspectotrans.insert(p); - } - } - } - - } - - /** - * Inserts a knot and computes new control points - * - * @param p - * inserted knot - */ - private void insert(CArrayOfFloats p) { - // DONE - CArrayOfFloats fptr = null; - if (sbegin != null) - fptr = new CArrayOfFloats(sbegin); - CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), p.getPointer() - + prewidth - poststride); - // CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), prewidth - - // poststride); - CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), p.getPointer() - + postwidth + postoffset - poststride); - // CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), postwidth + - // postoffset - poststride); - CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); - - for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), srcpt - .getPointer() - - poststride * bpt.get().def); srcpt.getPointer() != pend - .getPointer(); pend.raisePointerBy(poststride)) { - CArrayOfFloats p1 = new CArrayOfFloats(srcpt); - for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), srcpt - .getPointer() - - poststride); p2.getPointer() != pend.getPointer(); p1 - .setPointer(p2.getPointer()), p2 - .lessenPointerBy(poststride)) { - pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); - fptr.pp(); - } - } - bpt.mm(); - for (; bpt.getPointer() >= bbegin.getPointer(); bpt.mm()) { - - for (int multi = bpt.get().multi; multi > 0; multi--) { - pt_oo_copy(dstpt, srcpt); - dstpt.lessenPointerBy(poststride); - srcpt.lessenPointerBy(poststride); - } - for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), - srcpt.getPointer() - poststride * bpt.get().def); srcpt - .getPointer() != pend.getPointer(); pend - .raisePointerBy(poststride), dstpt - .lessenPointerBy(poststride)) { - pt_oo_copy(dstpt, srcpt); - CArrayOfFloats p1 = new CArrayOfFloats(srcpt); - - for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), - srcpt.getPointer() - poststride); p2.getPointer() != pend - .getPointer(); p1.setPointer(p2.getPointer()), p2 - .lessenPointerBy(poststride)) { - pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); - fptr.pp(); - } - } - } - } - - /** - * Copies one control point to another - * - * @param topt - * source ctrl point - * @param frompt - * distance ctrl point - */ - private void pt_oo_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { - // DONE - // this is a "trick" with case - "break" is omitted so it comes through all cases - switch (ncoords) { - case 4: - topt.setRelative(3, frompt.getRelative(3)); - case 3: - topt.setRelative(2, frompt.getRelative(2)); - case 2: - topt.setRelative(1, frompt.getRelative(1)); - case 1: - topt.setRelative(0, frompt.getRelative(0)); - break; - default: - // default uses memcpy but it is not needed (we probably won't have more than 4 coords) - // TODO not sure about it - break; - } - - } - - /** - * Computes new control point - * - * @param x - * first point - * @param y - * second point - * @param z - * third pont - * @param a - * alpha - * @param b - * 1 - alpha - */ - private void pt_oo_sum(CArrayOfFloats x, CArrayOfFloats y, - CArrayOfFloats z, float a, double b) { - // DONE - switch (ncoords) { - case 4: - x.setRelative(3, (float) (a * y.getRelative(3) + b - * z.getRelative(3))); - case 3: - x.setRelative(2, (float) (a * y.getRelative(2) + b - * z.getRelative(2))); - case 2: - x.setRelative(1, (float) (a * y.getRelative(1) + b - * z.getRelative(1))); - case 1: - x.setRelative(0, (float) (a * y.getRelative(0) + b - * z.getRelative(0))); - break; - default: - //no need of default - see previous method and its case statement - // System.out.println("TODO pt_oo_sum default"); - break; - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotvector.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotvector.java deleted file mode 100755 index 9af8a7d15..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Knotvector.java +++ /dev/null @@ -1,179 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Knot vector used in curve specification - * - * @author Tomas Hrasky - * - */ -public class Knotvector { - - /** - * Tolerance used when comparing knots - when difference is smaller, knots - * are considered equal - */ - public static final float TOLERANCE = 1.0e-5f; - - /** - * Maximum curve order - */ - private static final int MAXORDER = 24; - - /** - * Number of knots - */ - int knotcount; - - /** - * Number of control points' coordinates - */ - int stride; - - /** - * Curve order - */ - int order; - - /** - * Knots - */ - float[] knotlist; - - /** - * Makes new knotvector - * - * @param nknots - * number of knots - * @param stride - * number of ctrl points' corrdinates - * @param order - * curve order - * @param knot - * knots - */ - public Knotvector(int nknots, int stride, int order, float[] knot) { - // DONE - init(nknots, stride, order, knot); - } - - /** - * Initializes knotvector - * - * @param nknots - * number of knots - * @param stride - * number of ctrl points' corrdinates - * @param order - * curve order - * @param knot - * knots - */ - public void init(int nknots, int stride, int order, float[] knot) { - // DONE - this.knotcount = nknots; - this.stride = stride; - this.order = order; - this.knotlist = new float[nknots]; - for (int i = 0; i < nknots; i++) { - this.knotlist[i] = knot[i]; - } - - } - - /** - * Validates knot vector parameters - * - * @return knot vector validity - */ - public int validate() { - int kindex = knotcount - 1; - if (order < 1 || order > MAXORDER) { - return 1; - } - if (knotcount < 2 * order) { - return 2; - } - if (identical(knotlist[kindex - (order - 1)], knotlist[order - 1])) { - return 3; - } - for (int i = 0; i < kindex; i++) { - if (knotlist[i] > knotlist[i + 1]) - return 4; - } - int multi = 1; - for (; kindex >= 1; kindex--) { - if (knotlist[kindex] - knotlist[kindex - 1] < TOLERANCE) { - multi++; - continue; - } - if (multi > order) { - return 5; - } - multi = 1; - } - if (multi > order) { - return 5; - } - - return 0; - } - - /** - * Show specified message - * - * @param msg - * message to be shown - */ - public void show(String msg) { - // TODO Auto-generated method stub - // System.out.println("TODO knotvector.show"); - - } - - /** - * Compares two knots for equality - * - * @param a - * first knot - * @param b - * second knot - * @return knots are/are not equal - */ - public static boolean identical(float a, float b) { - return ((a - b) < TOLERANCE) ? true : false; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Mapdesc.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Mapdesc.java deleted file mode 100755 index 9a1d434ff..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Mapdesc.java +++ /dev/null @@ -1,442 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding properties of OpenGL map - * @author Tomas Hrasky - * - */ -public class Mapdesc { - - /** - * Maximum control point coords - */ - private static final int MAXCOORDS = 5; - - /** - * Next description in list - */ - public Mapdesc next; - - /** - * Is map rational - */ - public int isrational; - - /** - * Number of control point coords - */ - public int ncoords; - - /** - * Map type - */ - private int type; - - /** - * Number of homogenous coords - */ - private int hcoords; - - /** - * Number of inhomogenous coords - */ - private int inhcoords; - - /** - * Not used - */ - private int mask; - - /** - * Value of N_PIXEL_TOLERANCE property - */ - private float pixel_tolerance; - - /** - * Value of N_ERROR_TOLERANCE property - */ - private float error_tolerance; - - /** - * Value of N_BBOX_SUBDIVIDING property - */ - private float bbox_subdividing; - - /** - * Value of N_CULLING property - */ - private float culling_method; - - /** - * Value of N_SAMPLINGMETHOD property - */ - private float sampling_method; - - /** - * Value of N_CLAMPFACTOR property - */ - float clampfactor; - - /** - * Value of N_MINSAVINGS property - */ - private float minsavings; - - /** - * Steps in u direction - */ - private float s_steps; - - /** - * Steps in v direction - */ - private float t_steps; - - /** - * Maximal step - */ - float maxrate; - - /** - * Maximal u direction step - */ - private float maxsrate; - - /** - * Maximal v direction step - */ - private float maxtrate; - - /** - * Not used - */ - private float[][] bmat; - - /** - * Sampling matrix - */ - private float[][] smat; - - /** - * Not used - */ - private float[][] cmat; - - /** - * Not used - */ - private float[] bboxsize; - - /** - * Makes new mapdesc - * @param type map type - * @param rational is rational - * @param ncoords number of control points coords - * @param backend backend object - */ - public Mapdesc(int type, int rational, int ncoords, Backend backend) { - // DONE - this.type = type; - this.isrational = rational; - this.ncoords = ncoords; - this.hcoords = ncoords + (isrational > 0 ? 0 : 1); - this.inhcoords = ncoords - (isrational > 0 ? 1 : 0); - this.mask = ((1 << (inhcoords * 2)) - 1); - next = null; - - assert (hcoords <= MAXCOORDS); - assert (inhcoords >= 1); - - pixel_tolerance = 1f; - error_tolerance = 1f; - bbox_subdividing = NurbsConsts.N_NOBBOXSUBDIVISION; - culling_method = NurbsConsts.N_NOCULLING; - sampling_method = NurbsConsts.N_NOSAMPLING; - clampfactor = NurbsConsts.N_NOCLAMPING; - minsavings = NurbsConsts.N_NOSAVINGSSUBDIVISION; - s_steps = 0f; - t_steps = 0f; - - maxrate = (s_steps < 0) ? 0 : s_steps; - maxsrate = (s_steps < 0) ? 0 : s_steps; - maxtrate = (t_steps < 0) ? 0 : t_steps; - bmat = new float[MAXCOORDS][MAXCOORDS]; - cmat = new float[MAXCOORDS][MAXCOORDS]; - smat = new float[MAXCOORDS][MAXCOORDS]; - - identify(bmat); - identify(cmat); - identify(smat); - bboxsize = new float[MAXCOORDS]; - for (int i = 0; i < inhcoords; i++) - bboxsize[i] = 1; - } - - /** - * Make matrix identity matrix - * @param arr matrix - */ - private void identify(float[][] arr) { - // DONE - for (int i = 0; i < MAXCOORDS; i++) - for (int j = 0; j < MAXCOORDS; j++) - arr[i][j] = 0; - for (int i = 0; i < MAXCOORDS; i++) - arr[i][i] = 1; - - } - - /** - * Tells whether tag is property tag - * @param tag property tag - * @return is/is not property - */ - public boolean isProperty(int tag) { - boolean ret; - switch (tag) { - case NurbsConsts.N_PIXEL_TOLERANCE: - case NurbsConsts.N_ERROR_TOLERANCE: - case NurbsConsts.N_CULLING: - case NurbsConsts.N_BBOX_SUBDIVIDING: - case NurbsConsts.N_S_STEPS: - case NurbsConsts.N_T_STEPS: - case NurbsConsts.N_SAMPLINGMETHOD: - case NurbsConsts.N_CLAMPFACTOR: - case NurbsConsts.N_MINSAVINGS: - ret = true; - break; - default: - ret = false; - break; - } - return ret; - } - - /** - * Returns number of control points' coords - * @return number of control points' coords - */ - public int getNCoords() { - return ncoords; - } - - /** - * Returns map type - * @return map type - */ - public int getType() { - return type; - } - - /** - * Tells whether map is range sampling - * @return is map range sampling - */ - public boolean isRangeSampling() { - // DONE - return (isParametricDistanceSampling() || isPathLengthSampling() - || isSurfaceAreaSampling() || isObjectSpaceParaSampling() || isObjectSpacePathSampling()); - } - - /** - * Tells whether map is object space sampling - * @return is map object space sampling - */ - private boolean isObjectSpacePathSampling() { - // DONE - return sampling_method == NurbsConsts.N_OBJECTSPACE_PATH; - } - - /** - * Tells whether map is object space parasampling - * @return is map object space parasampling - */ - private boolean isObjectSpaceParaSampling() { - // DONE - return sampling_method == NurbsConsts.N_OBJECTSPACE_PARA; - } - - /** - * Tells whether map is area sampling surface - * @return is map area sampling surface - */ - private boolean isSurfaceAreaSampling() { - // DONE - return sampling_method == NurbsConsts.N_SURFACEAREA; - } - - /** - * Tells whether map is path length sampling - * @return is map path length sampling - */ - boolean isPathLengthSampling() { - // DONE - return sampling_method == NurbsConsts.N_PATHLENGTH; - } - - /** - * Tells whether map is parametric distance sampling - * @return is map parametric distance sampling - */ - boolean isParametricDistanceSampling() { - // DONE - return sampling_method == NurbsConsts.N_PARAMETRICDISTANCE; - } - - /** - * Tells whether map is culling - * @return is map culling - */ - public boolean isCulling() { - // DONE - return culling_method != NurbsConsts.N_NOCULLING ? true : false; - } - - /** - * Tells whether map is constantly sampling - * @return is map constant sampling - */ - public boolean isConstantSampling() { - return (sampling_method == NurbsConsts.N_FIXEDRATE) ? true : false; - } - - /** - * Tells whether map is domain sampling - * @return is map domain sampling - */ - public boolean isDomainSampling() { - return (sampling_method == NurbsConsts.N_DOMAINDISTANCE) ? true : false; - } - - /** - * Returns property of specified tag value - * @param tag property tag - * @return property value - */ - public float getProperty(int tag) { - // TODO Auto-generated method stub - // System.out.println("TODO mapdesc.getproperty"); - return 0; - } - - /** - * Sets property with given tag - * @param tag property tag - * @param value desired value - */ - public void setProperty(int tag, float value) { - // TODO Auto-generated method stub - switch (tag) { - case NurbsConsts.N_PIXEL_TOLERANCE: - pixel_tolerance = value; - break; - case NurbsConsts.N_ERROR_TOLERANCE: - error_tolerance = value; - break; - case NurbsConsts.N_CULLING: - culling_method = value; - break; - case NurbsConsts.N_BBOX_SUBDIVIDING: - if (value <= 0) - value = NurbsConsts.N_NOBBOXSUBDIVISION; - bbox_subdividing = value; - break; - case NurbsConsts.N_S_STEPS: - if (value < 0) - value = 0; - s_steps = value; - maxrate = value; - maxsrate = value; - break; - case NurbsConsts.N_T_STEPS: - if (value < 0) - value = 0; - t_steps = value; - maxtrate = value; - break; - case NurbsConsts.N_SAMPLINGMETHOD: - sampling_method = value; - break; - case NurbsConsts.N_CLAMPFACTOR: - if (value < 0) - value = 0; - clampfactor = value; - break; - case NurbsConsts.N_MINSAVINGS: - if (value <= 0) - value = NurbsConsts.N_NOSAVINGSSUBDIVISION; - minsavings = value; - break; - } - } - - /** - * Samples curve - * @param pts control points - * @param order curve order - * @param stride number of control points' coordinates - * @param sp breakpoints - * @param outstride output number of control points' coordinates - */ - public void xformSampling(CArrayOfFloats pts, int order, int stride, - float[] sp, int outstride) { - // DONE - xFormMat(smat, pts, order, stride, sp, outstride); - } - - /** - * Empty method - * @param mat sampling matrix - * @param pts ontrol points - * @param order curve order - * @param stride number of control points' coordinates - * @param cp breakpoints - * @param outstride output number of control points' coordinates - */ - private void xFormMat(float[][] mat, CArrayOfFloats pts, int order, - int stride, float[] cp, int outstride) { - // TODO Auto-generated method stub - - // System.out.println("TODO mapdsc.xformmat ; change cp from float[] to carrayoffloats"); - - if (isrational > 0) { - - } else { - - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Maplist.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Maplist.java deleted file mode 100755 index 66d9b7805..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Maplist.java +++ /dev/null @@ -1,122 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding list of Mapdescs - * @author Tomáš Hráský - * - */ -public class Maplist { - /** - * Head of linked list - */ - private Mapdesc maps; - - /** - * Backend class - */ - private Backend backend; - - /** - * Makes new Maplist - * @param backend Backend class - */ - public Maplist(Backend backend) { - this.backend = backend; - } - - /** - * Sets linked list beginning to null - */ - public void initialize() { - // TODO mapdespool.clear ? - maps = null; - } - - /** - * Defines new Mapdesc if it is not defined and appends it to linked list - * @param type map type - * @param rational is map rational - * @param ncoords number of coords - */ - public void define(int type, int rational, int ncoords) { - // DONE - Mapdesc m = locate(type); - assert (m == null || (m.isrational == rational && m.ncoords == ncoords)); - add(type, rational, ncoords); - - } - - /** - * Adds new Mapdesc to linked list - * @param type map type - * @param rational is map rational - * @param ncoords number of coords - */ - private void add(int type, int rational, int ncoords) { - // DONE - Mapdesc map = new Mapdesc(type, rational, ncoords, backend); - if (maps == null) { - maps = map; - } else { - map.next = maps; - maps = map; - } - } - - /** - * Tries to find Mapdesc in linked list - * @param type map type - * @return Mapdesc of type or null if there is no such map - */ - public Mapdesc locate(int type) { - // DONE - Mapdesc m = null; - for (m = maps; m != null; m = m.next) - if (m.getType() == type) - break; - return m; - } - - /** - * Alias for locate - * @param type maptype - * @return Mapdesc of type or null if there is no such map - */ - public Mapdesc find(int type) { - return locate(type); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/NurbsConsts.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/NurbsConsts.java deleted file mode 100755 index d6fb1b685..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/NurbsConsts.java +++ /dev/null @@ -1,184 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class hodling NURBS constants as seen in OpenGL GLU documentation - * @author JOGL project - * - */ -public class NurbsConsts { - /* - * NURBS Properties - one set per map, each takes a single INREAL arg - */ - public static final int N_SAMPLING_TOLERANCE = 1; - - public static final int N_S_RATE = 6; - - public static final int N_T_RATE = 7; - - public static final int N_CLAMPFACTOR = 13; - - public static final float N_NOCLAMPING = 0.0f; - - public static final int N_MINSAVINGS = 14; - - public static final float N_NOSAVINGSSUBDIVISION = 0.0f; - - /* - * NURBS Properties - one set per map, each takes an enumerated value - */ - public static final int N_CULLING = 2; - - public static final float N_NOCULLING = 0.0f; - - public static final float N_CULLINGON = 1.0f; - - public static final int N_SAMPLINGMETHOD = 10; - - public static final float N_NOSAMPLING = 0.0f; - - public static final float N_FIXEDRATE = 3.0f; - - public static final float N_DOMAINDISTANCE = 2.0f; - - public static final float N_PARAMETRICDISTANCE = 5.0f; - - public static final float N_PATHLENGTH = 6.0f; - - public static final float N_SURFACEAREA = 7.0f; - - public static final float N_OBJECTSPACE_PARA = 8.0f; - - public static final float N_OBJECTSPACE_PATH = 9.0f; - - public static final int N_BBOX_SUBDIVIDING = 17; - - public static final float N_NOBBOXSUBDIVISION = 0.0f; - - public static final float N_BBOXTIGHT = 1.0f; - - public static final float N_BBOXROUND = 2.0f; - - /* - * NURBS Rendering Properties - one set per renderer each takes an - * enumerated value - */ - public static final int N_DISPLAY = 3; - - public static final int N_FILL = 1; - - public static final int N_OUTLINE_POLY = 2; - - public static final int N_OUTLINE_TRI = 3; - - public static final int N_OUTLINE_QUAD = 4; - - public static final int N_OUTLINE_PATCH = 5; - - public static final int N_OUTLINE_PARAM = 6; - - public static final int N_OUTLINE_PARAM_S = 7; - - public static final int N_OUTLINE_PARAM_ST = 8; - - public static final int N_OUTLINE_SUBDIV = 9; - - public static final int N_OUTLINE_SUBDIV_S = 10; - - public static final int N_OUTLINE_SUBDIV_ST = 11; - - public static final int N_ISOLINE_S = 12; - - public static final int N_ERRORCHECKING = 4; - - public static final int N_NOMSG = 0; - - public static final int N_MSG = 1; - - /* GL 4.0 propeties not defined above */ - - public static final int N_PIXEL_TOLERANCE = N_SAMPLING_TOLERANCE; - - public static final int N_ERROR_TOLERANCE = 20; - - public static final int N_SUBDIVISIONS = 5; - - public static final int N_TILES = 8; - - public static final int N_TMP1 = 9; - - public static final int N_TMP2 = N_SAMPLINGMETHOD; - - public static final int N_TMP3 = 11; - - public static final int N_TMP4 = 12; - - public static final int N_TMP5 = N_CLAMPFACTOR; - - public static final int N_TMP6 = N_MINSAVINGS; - - public static final int N_S_STEPS = N_S_RATE; - - public static final int N_T_STEPS = N_T_RATE; - - /* - * NURBS Rendering Properties - one set per map, each takes an INREAL matrix - * argument - */ - public static final int N_CULLINGMATRIX = 1; - - public static final int N_SAMPLINGMATRIX = 2; - - public static final int N_BBOXMATRIX = 3; - - /* - * NURBS Rendering Properties - one set per map, each takes an INREAL vector - * argument - */ - public static final int N_BBOXSIZE = 4; - - /* type argument for trimming curves */ - - public static final int N_P2D = 0x8; - - public static final int N_P2DR = 0xd; - - public static final int N_MESHLINE = 1; - - public static final int N_MESHFILL = 0; - - public static final int N_MESHPOINT = 2; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_curve.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_curve.java deleted file mode 100755 index 285c444df..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_curve.java +++ /dev/null @@ -1,63 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Struct holding curve links - * @author Tomáš Hráský - * - */ -public class O_curve { - - /** - * Curve type - */ - public int curvetype; - - /** - * Next curve in linked list - */ - public O_curve next; - - /** - * Curve of picewiselinear type - */ - public O_pwlcurve o_pwlcurve; - - /** - * NURBS curve - */ - public O_nurbscurve o_nurbscurve; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbscurve.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbscurve.java deleted file mode 100755 index f1c3ffef7..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbscurve.java +++ /dev/null @@ -1,80 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * NURBS curve object - * @author Tomáš Hráský - * - */ -public class O_nurbscurve { - - /** - * List of bezier curves - */ - public Quilt bezier_curves; - - /** - * Curve type - */ - public int type; - - /** - * Was curve used ? - */ - public boolean used; - - /** - * Parent curve - */ - public O_curve owner; - - /** - * Next curve in list - */ - public O_nurbscurve next; - - /** - * Makes new O_nurbscurve - * @param realType type of curve - */ - public O_nurbscurve(int realType) { - // DONE - this.type = realType; - this.owner = null; - this.next = null; - this.used = false; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbssurface.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbssurface.java deleted file mode 100755 index 4a4c6753a..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_nurbssurface.java +++ /dev/null @@ -1,79 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * NURBS surface object - * @author Tomáš Hráský - * - */ -public class O_nurbssurface { - - /** - * List of bezier patches forming NURBS surface - */ - public Quilt bezier_patches; - - /** - * Was surface used - */ - public boolean used; - - /** - * Parent O_surface - */ - public O_surface owner; - - /** - * Next surface in list - */ - public O_nurbssurface next; - - /** - * Surface type - */ - private int type; - - /** - * Makes new O_nurbssurface of type - * @param type surface type - */ - public O_nurbssurface(int type) { - this.type = type; - this.owner = null; - this.next = null; - this.used = false; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_pwlcurve.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_pwlcurve.java deleted file mode 100755 index 53c0060a0..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_pwlcurve.java +++ /dev/null @@ -1,44 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Empty class - * @author Tomáš Hráský - * - */ -public class O_pwlcurve { - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_surface.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_surface.java deleted file mode 100755 index f135026db..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_surface.java +++ /dev/null @@ -1,52 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Surface object - * @author Tomáš Hráský - * - */ -public class O_surface { - /** - * NURBS surface - */ - public O_nurbssurface o_nurbssurface; - - /** - * Trims - */ - public O_trim o_trim; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_trim.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_trim.java deleted file mode 100755 index 0f59ccec8..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/O_trim.java +++ /dev/null @@ -1,44 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Empty class - * @author Tomáš Hráský - * - */ -public class O_trim { - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patch.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patch.java deleted file mode 100755 index d9a79c45c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patch.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Empty class - * @author Tomas Hrasky - * - */ -public class Patch { - - /** - * Empty constructor - * @param q - * @param pta - * @param ptb - * @param patch - */ - public Patch(Quilt q, float[] pta, float[] ptb, Patch patch) { - // System.out.println("TODO patch.constructor"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patchlist.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patchlist.java deleted file mode 100755 index 8755ad60e..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Patchlist.java +++ /dev/null @@ -1,145 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * List of patches - * @author Tomáš Hráský - * - */ -public class Patchlist { - - /** - * Array of ranges - */ - public Pspec[] pspec; - - /** - * head of list of patches - */ - private Patch patch; - - /** - * Makes new list of patches - * @param quilts list of quilts - * @param pta low border - * @param ptb high border - */ - public Patchlist(Quilt quilts, float[] pta, float[] ptb) { - // DONE - patch = null; - - for (Quilt q = quilts; q != null; q = q.next) - patch = new Patch(q, pta, ptb, patch); - pspec[0] = new Pspec(); - pspec[0].range[0] = pta[0]; - pspec[0].range[1] = ptb[0]; - pspec[0].range[2] = ptb[0] - pta[0]; - pspec[1] = new Pspec(); - pspec[1].range[0] = pta[1]; - pspec[1].range[1] = ptb[1]; - pspec[1].range[2] = ptb[1] - pta[1]; - - } - - /** - * Empty constructor - * @param patchlist - * @param param - * @param mid - */ - public Patchlist(Patchlist patchlist, int param, float mid) { - // TODO Auto-generated constructor stub - // System.out.println("TODO patchlist.konstruktor 2"); - } - - /** - * Empty method - * @return 0 - */ - public int cullCheck() { - // TODO Auto-generated method stub - // System.out.println("TODO patchlist.cullcheck"); - return 0; - } - - /** - * Empty method - */ - public void getstepsize() { - // System.out.println("TODO patchlist.getsptepsize"); - // TODO Auto-generated method stub - - } - - /** - * Empty method - * @return false - */ - public boolean needsSamplingSubdivision() { - // TODO Auto-generated method stub - // System.out.println("patchlist.needsSamplingSubdivision"); - return false; - } - - /** - * Empty method - * @param i - * @return false - */ - public boolean needsSubdivision(int i) { - // TODO Auto-generated method stub - // System.out.println("TODO patchlist.needsSubdivision"); - return false; - } - - /** - * Empty method - * @return false - */ - public boolean needsNonSamplingSubdivision() { - // TODO Auto-generated method stub - // System.out.println("TODO patchlist.needsNonSamplingSubdivision"); - return false; - } - - /** - * Empty method - */ - public void bbox() { - // TODO Auto-generated method stub - // System.out.println("TODO patchlist.bbox"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Property.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Property.java deleted file mode 100755 index 8640b1d79..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Property.java +++ /dev/null @@ -1,75 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class representing property - * - * @author Tomas Hrasky - * - */ -public class Property { - - /** - * Property type - */ - public int type; - - /** - * Property id - */ - public int tag; - - /** - * Property value - */ - public float value; - - /** - * Makes new property with given parameters - * - * @param type - * property type - * @param tag - * property id - * @param value - * property value - */ - public Property(int type, int tag, float value) { - this.type = type; - this.tag = tag; - this.value = value; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Pspec.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Pspec.java deleted file mode 100755 index 1e0a091d2..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Pspec.java +++ /dev/null @@ -1,47 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding range - * @author Tomáš Hráský - * - */ -public class Pspec { - /** - * Range - */ - public float[] range; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/PwlArc.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/PwlArc.java deleted file mode 100755 index 9f6c77774..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/PwlArc.java +++ /dev/null @@ -1,71 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Picewiselinar trimming arc - * @author Tomáš Hráský - * - */ -public class PwlArc { - - /** - * Number of points - */ - private int npts; - - /** - * Vertexes - */ - public TrimVertex[] pts; - - /** - * Arc type - */ - private int type; - - /** - * Makes new trimming arc - * @param i num ber of vertexes - * @param p trimming vertexes array - */ - public PwlArc(int i, TrimVertex[] p) { - // DONE - this.npts = i; - this.pts = p; - type = NurbsConsts.N_P2D; - - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quilt.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quilt.java deleted file mode 100755 index 640eb2e83..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quilt.java +++ /dev/null @@ -1,282 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class for converting NURBS curves and surfaces to list of bezier arcs or patches repectively - * @author Tomáš Hráský - * - */ -public class Quilt { - /** - * Maximum quilt dimension - */ - private static final int MAXDIM = 2; - - /** - * List of map descriptions - */ - Mapdesc mapdesc; - - /** - * Array of quiltspecs pointer - */ - public CArrayOfQuiltspecs qspec; - - /** - * End array of quilt specs pointer - */ - public CArrayOfQuiltspecs eqspec; - - /** - * Control points - */ - public CArrayOfFloats cpts; - - /** - * Next quilt in list - */ - public Quilt next; - - /** - * Makes new quilt with mapdesc - * @param mapdesc map description - */ - public Quilt(Mapdesc mapdesc) { - // DONE - this.mapdesc = mapdesc; - Quiltspec[] tmpquilts = new Quiltspec[MAXDIM]; - for (int i = 0; i < tmpquilts.length; i++) - tmpquilts[i] = new Quiltspec(); - this.qspec = new CArrayOfQuiltspecs(tmpquilts); - - } - - /** - * Converts NURBS surface to bezier patches - * @param sknotvector knots in u direction - * @param tknotvector knots in v direction - * @param ctrlarr control points - * @param coords control points coords - */ - public void toBezier(Knotvector sknotvector, Knotvector tknotvector, - CArrayOfFloats ctrlarr, int coords) { - Splinespec spline = new Splinespec(2); - spline.kspecinit(sknotvector, tknotvector); - spline.select(); - spline.layout(coords); - spline.setupquilt(this); - spline.copy(ctrlarr); - spline.transform(); - } - - /** - * Converts NURBS curve to list of bezier curves - * @param knots knot vector - * @param ctlarray control points - * @param ncoords number of coordinates - */ - public void toBezier(Knotvector knots, CArrayOfFloats ctlarray, int ncoords) { - // DONE - Splinespec spline = new Splinespec(1); - spline.kspecinit(knots); - spline.select(); - spline.layout(ncoords); - spline.setupquilt(this); - spline.copy(ctlarray); - spline.transform(); - } - - /** - * Walks thru all arcs/patches - * @param pta low border - * @param ptb high border - * @param backend Backend - */ - public void downloadAll(float[] pta, float[] ptb, Backend backend) { - // DONE - for (Quilt m = this; m != null; m = m.next) { - m.select(pta, ptb); - m.download(backend); - } - - } - - /** - * Renders arcs/patches - * @param backend Backend for rendering - */ - private void download(Backend backend) { - // DONE - if (getDimension() == 2) { - - CArrayOfFloats ps = new CArrayOfFloats(cpts); - ps.raisePointerBy(qspec.get(0).offset); - ps.raisePointerBy(qspec.get(1).offset); - ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order - * qspec.get(0).stride); - ps.raisePointerBy(qspec.get(1).index * qspec.get(1).order - * qspec.get(1).stride); - - backend.surfpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec - .get(1).stride, qspec.get(0).order, qspec.get(1).order, - qspec.get(0).breakpoints[qspec.get(0).index], - qspec.get(0).breakpoints[qspec.get(0).index + 1], qspec - .get(1).breakpoints[qspec.get(1).index], qspec - .get(1).breakpoints[qspec.get(1).index + 1]); - - } else {// code for curves - // CArrayOfFloats ps=new CArrayOfFloats(cpts); - CArrayOfFloats ps = new CArrayOfFloats(cpts.getArray(), 0); - ps.raisePointerBy(qspec.get(0).offset); - ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order - * qspec.get(0).stride); - backend.curvpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec - .get(0).order, - qspec.get(0).breakpoints[qspec.get(0).index], - qspec.get(0).breakpoints[qspec.get(0).index + 1]); - } - - } - - /** - * Returns quilt dimension - * @return quilt dimesion - */ - private int getDimension() { - // DONE - return eqspec.getPointer() - qspec.getPointer(); - } - - /** - * Finds Quiltspec.index - * @param pta range - * @param ptb range - */ - private void select(float[] pta, float[] ptb) { - // DONE - int dim = eqspec.getPointer() - qspec.getPointer(); - int i, j; - for (i = 0; i < dim; i++) { - for (j = qspec.get(i).width - 1; j >= 0; j--) - if (qspec.get(i).breakpoints[j] <= pta[i] - && ptb[i] <= qspec.get(i).breakpoints[j + 1]) - break; - assert (j != -1); - qspec.get(i).index = j; - } - } - - /** - * Find range according to breakpoints - * @param from low param - * @param to high param - * @param bpts breakpoints - */ - public void getRange(float[] from, float[] to, Flist bpts) { - // DONE - getRange(from, to, 0, bpts); - - } - - /** - * Find range according to breakpoints - * @param from low param - * @param to high param - * @param i from/to array index - * @param list breakpoints - */ - private void getRange(float[] from, float[] to, int i, Flist list) { - // DONE - Quilt maps = this; - from[i] = maps.qspec.get(i).breakpoints[0]; - to[i] = maps.qspec.get(i).breakpoints[maps.qspec.get(i).width]; - int maxpts = 0; - Quilt m; - for (m = maps; m != null; m = m.next) { - if (m.qspec.get(i).breakpoints[0] > from[i]) - from[i] = m.qspec.get(i).breakpoints[0]; - if (m.qspec.get(i).breakpoints[m.qspec.get(i).width] < to[i]) - to[i] = m.qspec.get(i).breakpoints[m.qspec.get(i).width]; - maxpts += m.qspec.get(i).width + 1; - } - list.grow(maxpts); - for (m = maps; m != null; m = m.next) { - for (int j = 0; j <= m.qspec.get(i).width; j++) { - list.add(m.qspec.get(i).breakpoints[j]); - } - } - list.filter(); - list.taper(from[i], to[i]); - } - - /** - * Is this quilt culled - * @return 0 or Subdivider.CULL_ACCEPT - */ - public int isCulled() { - if (mapdesc.isCulling()) { - // System.out.println("TODO quilt.isculled mapdesc.isculling"); - return 0; - } else { - return Subdivider.CULL_ACCEPT; - } - } - - /** - * Finds range for surface - * @param from low param - * @param to high param - * @param slist u direction breakpoints - * @param tlist v direction breakpoints - */ - public void getRange(float[] from, float[] to, Flist slist, Flist tlist) { - // DONE - getRange(from, to, 0, slist); - getRange(from, to, 1, tlist); - - } - - /** - * Empty method - * @param sbrkpts - * @param tbrkpts - * @param rate - */ - public void findRates(Flist sbrkpts, Flist tbrkpts, float[] rate) { - // TODO Auto-generated method stub - // System.out.println("TODO quilt.findrates"); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quiltspec.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quiltspec.java deleted file mode 100755 index ee2924918..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Quiltspec.java +++ /dev/null @@ -1,85 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Quilt definition - * @author Tomas Hrasky - * - */ -public class Quiltspec { - - /** - * Stride between control points - */ - public int stride; - - /** - * Quilt width in breakpoints - */ - public int width; - - /** - * Quilt order - */ - public int order; - - /** - * Start offset - */ - public int offset; - - /** - * Breakpoint index - */ - public int index; - - /** - * Boundary - */ - public int[] bdry; - - /** - * Breakpoints - */ - public float[] breakpoints; - - /** - * Makes new quiltspec - */ - public Quiltspec() { - this.bdry = new int[2]; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/README.txt b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/README.txt deleted file mode 100755 index 89630c71e..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/README.txt +++ /dev/null @@ -1,59 +0,0 @@ -Unimplemented functionality - - tesselation and callbacks - - trimming - - setting NURBS properties (-> sampling etc.) -Differences from C++ source - - no pooling - - pointers to arrays are replaced by CArrayOf... classes and their methods -Unimplemented or incomplete "calltree top" methods (according to glu.def in Mesa 6.5) - gluBeginTrim - gluDeleteNurbsRenderer - won't be needed - gluEndTrim - gluGetNurbsProperty - gluLoadSamplingMatrices - gluNurbsCallback - gluNurbsCallbackData - gluNurbsCallbackDataEXT - gluNurbsCurve - TODO type switch - gluNurbsProperty - gluPwlCurve - gluQuadricCallback - not a NURBS method -As of files - - Arc[ST]dirSorter.java - unimplemented (part of tesselation) - - Backend.java:194 - wireframe quads - part of tesselation/callback - - Curve.java:141-204 - culling - - DisplayList.java:57 - append to DL - not sure whether it will be needed - - GLUnurbs.java :443,484 - error values - :445 - trimming - :512 - error handling (callback) - :530 - loadGLmatrices - :786 - nuid - nurbs object id - won't be needed I think - :803 - end trim - - GLUwNURBS.java:68,176 - NUBRS properties - - Knotspec.java :371 - copying in general case (more than 4 coords) - :517 - copying with more than 4 coords - :556 - pt_oo_sum default - - Knotvector.java:165 - show method (probably debugging) - - Mapdesc.java :354 - get property - :435 - xFormMat - change param cp to CArrayOfFloats; probably sampling functionality - - Maplist.java:68 - clear ? - - OpenGLCurveEvaluator.java :132 - tess./callback code - :168 - mapgrid1f - :190 - tess./callback code (output triangles) - - OpenGLSurfaceEvaluator.java :77 . tess./callback code - :81 - glGetIntegerValue - :114 - tess./callback code - :117 - Level of detail - :144,161,201 - tess./callback code - output triangles - - Patch.java:55 - constructor stuff ? - - Patchlist.java:55 - constructor stuff ? - :97 - cull check - :105 - step size - :115 - need of sampling subdivision - :126 - need of subdivision - :137 - need of non sampling subd. - :146 - bbox (??) - -Quilt.java :254 - culling - :282 - rates - -Subdivider.java - all TODOs - it's stuff about trimming probably - :545 - jumpbuffer - not sure purpose it exactly served in original source diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Renderhints.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Renderhints.java deleted file mode 100755 index 8470a64a1..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Renderhints.java +++ /dev/null @@ -1,128 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class holding rendering params - * @author Tomas Hrasky - * - */ -public class Renderhints { - - /** - * Check for errors - */ - public int errorchecking; - - /** - * Maximum subdivisions - */ - public int maxsubdivisions; - - /** - * Number of subdivisions - */ - private int subdivisions; - - /** - * Display method - */ - int display_method; - - /** - * Output triangles - */ - int wiretris; - - /** - * Output quads - */ - int wirequads; - - /** - * Makes new Renderinghints - */ - public Renderhints() { - display_method = NurbsConsts.N_FILL; - errorchecking = NurbsConsts.N_MSG; - subdivisions = 6; - // tmp1=0; - } - - /** - * Set property value - * @param prop property - */ - public void setProperty(Property prop) { - switch (prop.type) { - case NurbsConsts.N_DISPLAY: - display_method = (int) prop.value; - break; - case NurbsConsts.N_ERRORCHECKING: - errorchecking = (int) prop.value; - break; - case NurbsConsts.N_SUBDIVISIONS: - subdivisions = (int) prop.value; - break; - default: - // abort - end program - break; - } - } - - /** - * Initialization - */ - public void init() { - // DONE - maxsubdivisions = subdivisions; - if (maxsubdivisions < 0) - maxsubdivisions = 0; - - if (display_method == NurbsConsts.N_FILL) { - wiretris = 0; - wirequads = 0; - } else if (display_method == NurbsConsts.N_OUTLINE_TRI) { - wiretris = 1; - wirequads = 0; - } else if (display_method == NurbsConsts.N_OUTLINE_QUAD) { - wiretris = 0; - wirequads = 1; - } else { - wiretris = 1; - wirequads = 1; - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Splinespec.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Splinespec.java deleted file mode 100755 index 7f01435fd..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Splinespec.java +++ /dev/null @@ -1,204 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * NURBS definition - * @author Tomas Hrasky - * - */ -public class Splinespec { - - /** - * Dimension - */ - private int dim; - - /** - * Knot vector specs - */ - private Knotspec kspec; - - /** - * Control points after conversion - */ - private CArrayOfFloats outcpts; - - /** - * Makes new Splinespec with given dimension - * @param i dimension - */ - public Splinespec(int i) { - // DONE - this.dim = i; - } - - /** - * Initializes knotspec according to knotvector - * @param knotvector basic knotvector - */ - public void kspecinit(Knotvector knotvector) { - // DONE - this.kspec = new Knotspec(); - kspec.inkbegin = new CArrayOfFloats(knotvector.knotlist, 0); - kspec.inkend = new CArrayOfFloats(knotvector.knotlist, - knotvector.knotcount); - kspec.prestride = knotvector.stride; - kspec.order = knotvector.order; - kspec.next = null; - } - - /** - * Initializes knotspec according to knotvector - SURFACE - * @param sknotvector knotvector in u dir - * @param tknotvector knotvector in v dir - */ - public void kspecinit(Knotvector sknotvector, Knotvector tknotvector) { - // DONE - this.kspec = new Knotspec(); - Knotspec tkspec = new Knotspec(); - - kspec.inkbegin = new CArrayOfFloats(sknotvector.knotlist, 0); - kspec.inkend = new CArrayOfFloats(sknotvector.knotlist, - sknotvector.knotcount); - kspec.prestride = sknotvector.stride; - kspec.order = sknotvector.order; - kspec.next = tkspec; - - tkspec.inkbegin = new CArrayOfFloats(tknotvector.knotlist, 0); - tkspec.inkend = new CArrayOfFloats(tknotvector.knotlist, - tknotvector.knotcount); - tkspec.prestride = tknotvector.stride; - tkspec.order = tknotvector.order; - tkspec.next = null; - } - - /** - * Preselect and select knotspecs - */ - public void select() { - // DONE - for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { - knotspec.preselect(); - knotspec.select(); - } - - } - - /** - * Prepares for conversion - * @param ncoords number of coords - */ - public void layout(int ncoords) { - // DONE - int stride = ncoords; - for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { - knotspec.poststride = stride; - stride *= (knotspec.bend.getPointer() - knotspec.bbegin - .getPointer()) - * knotspec.order + knotspec.postoffset; - knotspec.preoffset *= knotspec.prestride; - knotspec.prewidth *= knotspec.poststride; - knotspec.postwidth *= knotspec.poststride; - knotspec.postoffset *= knotspec.poststride; - knotspec.ncoords = ncoords; - } - outcpts = new CArrayOfFloats(new float[stride]); - - } - - /** - * Prepares quilt for conversion - * @param quilt quilt to work with - */ - public void setupquilt(Quilt quilt) { - // DONE - CArrayOfQuiltspecs qspec = new CArrayOfQuiltspecs(quilt.qspec); - quilt.eqspec = new CArrayOfQuiltspecs(qspec.getArray(), dim); - for (Knotspec knotspec = kspec; knotspec != null;) { - qspec.get().stride = knotspec.poststride; - qspec.get().width = knotspec.bend.getPointer() - - knotspec.bbegin.getPointer(); - qspec.get().order = knotspec.order; - qspec.get().offset = knotspec.postoffset; - qspec.get().index = 0; - qspec.get().bdry[0] = (knotspec.kleft.getPointer() == knotspec.kfirst - .getPointer()) ? 1 : 0; - qspec.get().bdry[1] = (knotspec.kright.getPointer() == knotspec.klast - .getPointer()) ? 1 : 0; - qspec.get().breakpoints = new float[qspec.get().width + 1]; - CArrayOfFloats k = new CArrayOfFloats(qspec.get().breakpoints, 0); - for (CArrayOfBreakpts bk = new CArrayOfBreakpts(knotspec.bbegin); bk - .getPointer() <= knotspec.bend.getPointer(); bk.pp()) { - k.set(bk.get().value); - k.pp(); - } - knotspec = knotspec.next; - if (knotspec != null) - qspec.pp(); - } - quilt.cpts = new CArrayOfFloats(outcpts); - quilt.next = null; - } - - /** - * Copies array of control points to output array - * @param ctlarray control points array - */ - public void copy(CArrayOfFloats ctlarray) { - // DONE - kspec.copy(ctlarray, outcpts); - - } - - /** - * Transforms knotspecs - conversion - */ - public void transform() { - // DONE - Knotspec knotspec; - outcpts.setPointer(0); - for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) - knotspec.istransformed = false; - - for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) { - for (Knotspec kspec2 = kspec; kspec2 != null; kspec2 = kspec2.next) - kspec2.kspectotrans = knotspec; - kspec.transform(outcpts); - knotspec.istransformed = true; - } - - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Subdivider.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Subdivider.java deleted file mode 100755 index b8da3e1dd..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/Subdivider.java +++ /dev/null @@ -1,1167 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class working with curves and surfaces - * @author Tomas Hrasky - * - */ -public class Subdivider { - /** - * Cull type - */ - public static final int CULL_TRIVIAL_REJECT = 0; - - /** - * Cull type - */ - public static final int CULL_ACCEPT = 1; - - /** - * Maximum trimming arcs - */ - private static final int MAXARCS = 10; - - /** - * Linked list of Quilts - */ - Quilt qlist; - - /** - * Object holding rendering honts information - */ - private Renderhints renderhints; - - /** - * Backend object - */ - private Backend backend; - - /** - * Number of subdivisions - */ - private int subdivisions; - - /** - * U step when using domain distance sampling - */ - private float domain_distance_u_rate; - - /** - * Use domain distance sampling - */ - private int is_domain_distance_sampling; - - /** - * Initial class holding trimming arcs - */ - private Bin initialbin; - - /** - * Not used - */ - private boolean showDegenerate; - - /** - * Is triming arc type bezier arc - */ - private boolean isArcTypeBezier; - - /** - * Breakpoints in v direction - */ - private Flist tpbrkpts; - - /** - * Breakpoints in u direction - */ - private Flist spbrkpts; - - /** - * Unused - */ - private int s_index; - - /** - * Head of linked list of trimming arcs - */ - private Arc pjarc; - - /** - * Class tesselating trimming arcs - */ - private ArcTesselator arctesselator; - - /** - * Unused - */ - private int t_index; - - /** - * Breakpoints - */ - private Flist smbrkpts; - - /** - * Not used - */ - private float[] stepsizes; - - /** - * Domain distance in V direction - */ - private float domain_distance_v_rate; - - /** - * Initializes quilt list - */ - public void beginQuilts(Backend backend) { - // DONE - qlist = null; - renderhints = new Renderhints(); - this.backend = backend; - - initialbin = new Bin(); - arctesselator = new ArcTesselator(); - } - - /** - * Adds quilt to linked list - * @param quilt added quilt - */ - public void addQuilt(Quilt quilt) { - // DONE - if (qlist == null) - qlist = quilt; - else { - quilt.next = qlist; - qlist = quilt; - } - - } - - /** - * Empty method - */ - public void endQuilts() { - // DONE - } - - /** - * Draws a surface - */ - public void drawSurfaces() { - renderhints.init(); - - if (qlist == null) { - // System.out.println("qlist is null"); - return; - } - - for (Quilt q = qlist; q != null; q = q.next) { - if (q.isCulled() == CULL_TRIVIAL_REJECT) { - freejarcs(initialbin); - return; - } - } - - float[] from = new float[2]; - float[] to = new float[2]; - - spbrkpts = new Flist(); - tpbrkpts = new Flist(); - qlist.getRange(from, to, spbrkpts, tpbrkpts); - - boolean optimize = (is_domain_distance_sampling > 0 && (renderhints.display_method != NurbsConsts.N_OUTLINE_PATCH)); - - // TODO decide whether to optimize (when there is gluNurbsProperty implemented) - optimize = true; - - if (!initialbin.isnonempty()) { - if (!optimize) { - makeBorderTrim(from, to); - } - } else { - float[] rate = new float[2]; - qlist.findRates(spbrkpts, tpbrkpts, rate); - // System.out.println("subdivider.drawsurfaces decompose"); - } - - backend.bgnsurf(renderhints.wiretris, renderhints.wirequads); - - // TODO partition test - - if (!initialbin.isnonempty() && optimize) { - - int i, j; - int num_u_steps; - int num_v_steps; - for (i = spbrkpts.start; i < spbrkpts.end - 1; i++) { - for (j = tpbrkpts.start; j < tpbrkpts.end - 1; j++) { - float[] pta = new float[2]; - float[] ptb = new float[2]; - - pta[0] = spbrkpts.pts[i]; - ptb[0] = spbrkpts.pts[i + 1]; - pta[1] = tpbrkpts.pts[j]; - ptb[1] = tpbrkpts.pts[j + 1]; - qlist.downloadAll(pta, ptb, backend); - - num_u_steps = (int) (domain_distance_u_rate * (ptb[0] - pta[0])); - num_v_steps = (int) (domain_distance_v_rate * (ptb[1] - pta[1])); - - if (num_u_steps <= 0) - num_u_steps = 1; - if (num_v_steps <= 0) - num_v_steps = 1; - - backend.surfgrid(pta[0], ptb[0], num_u_steps, ptb[1], - pta[1], num_v_steps); - backend.surfmesh(0, 0, num_u_steps, num_v_steps); - - } - } - - } else - - subdivideInS(initialbin); - - backend.endsurf(); - } - - /** - * Empty method - * @param initialbin2 - */ - private void freejarcs(Bin initialbin2) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.freejarcs"); - } - - /** - * Subdivide in U direction - * @param source Trimming arcs source - */ - private void subdivideInS(Bin source) { - // DONE - if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM) { - outline(source); - freejarcs(source); - } else { - setArcTypeBezier(); - setNonDegenerate(); - splitInS(source, spbrkpts.start, spbrkpts.end); - } - - } - - /** - * Split in U direction - * @param source Trimming arcs source - * @param start breakpoints start - * @param end breakpoints end - */ - private void splitInS(Bin source, int start, int end) { - // DONE - if (source.isnonempty()) { - if (start != end) { - int i = start + (end - start) / 2; - Bin left = new Bin(); - Bin right = new Bin(); - - split(source, left, right, 0, spbrkpts.pts[i]); - splitInS(left, start, i); - splitInS(right, i + 1, end); - } else { - if (start == spbrkpts.start || start == spbrkpts.end) { - freejarcs(source); - } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_S) { - outline(source); - freejarcs(source); - } else { - setArcTypeBezier(); - setNonDegenerate(); - s_index = start; - splitInT(source, tpbrkpts.start, tpbrkpts.end); - } - } - } else{ - // System.out.println("Source is empty - subdivider.splitins"); - } - } - - /** - * Split in V direction - * @param source - * @param start - * @param end - */ - private void splitInT(Bin source, int start, int end) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.splitint"); - - if (source.isnonempty()) { - if (start != end) { - int i = start + (end - start) / 2; - Bin left = new Bin(); - Bin right = new Bin(); - split(source, left, right, 1, tpbrkpts.pts[i + 1]); - splitInT(left, start, i); - splitInT(right, i + 1, end); - } else { - if (start == tpbrkpts.start || start == tpbrkpts.end) { - freejarcs(source); - } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_ST) { - outline(source); - freejarcs(source); - } else { - t_index = start; - setArcTypeBezier(); - setDegenerate(); - - float[] pta = new float[2]; - float[] ptb = new float[2]; - - pta[0] = spbrkpts.pts[s_index - 1]; - pta[1] = tpbrkpts.pts[t_index - 1]; - - ptb[0] = spbrkpts.pts[s_index]; - ptb[1] = tpbrkpts.pts[t_index]; - qlist.downloadAll(pta, ptb, backend); - - Patchlist patchlist = new Patchlist(qlist, pta, ptb); - - samplingSplit(source, patchlist, - renderhints.maxsubdivisions, 0); - setNonDegenerate(); - setArcTypeBezier(); - } - } - } - - } - - /** - * Sample - * @param source - * @param patchlist - * @param subdivisions - * @param param - */ - private void samplingSplit(Bin source, Patchlist patchlist, - int subdivisions, int param) { - // DONE - if (!source.isnonempty()) - return; - if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) { - freejarcs(source); - return; - } - - patchlist.getstepsize(); - if (renderhints.display_method == NurbsConsts.N_OUTLINE_PATCH) { - tesselation(source, patchlist); - outline(source); - freejarcs(source); - return; - } - - tesselation(source, patchlist); - if (patchlist.needsSamplingSubdivision() && subdivisions > 0) { - if (!patchlist.needsSubdivision(0)) { - param = 1; - } else if (patchlist.needsSubdivision(1)) - param = 0; - else - param = 1 - param; - - Bin left = new Bin(); - Bin right = new Bin(); - - float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); - - split(source, left, right, param, mid); - Patchlist subpatchlist = new Patchlist(patchlist, param, mid); - samplingSplit(left, subpatchlist, subdivisions - 1, param); - samplingSplit(right, subpatchlist, subdivisions - 1, param); - } else { - setArcTypePwl(); - setDegenerate(); - nonSamplingSplit(source, patchlist, subdivisions, param); - setDegenerate(); - setArcTypeBezier(); - } - } - - /** - * Not used - * @param source - * @param patchlist - * @param subdivisions - * @param param - */ - private void nonSamplingSplit(Bin source, Patchlist patchlist, - int subdivisions, int param) { - // DONE - if (patchlist.needsNonSamplingSubdivision() && subdivisions > 0) { - param = 1 - param; - - Bin left = new Bin(); - Bin right = new Bin(); - - float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); - split(source, left, right, param, mid); - Patchlist subpatchlist = new Patchlist(patchlist, param, mid); - if (left.isnonempty()) { - if (subpatchlist.cullCheck() == CULL_TRIVIAL_REJECT) - freejarcs(left); - else - nonSamplingSplit(left, subpatchlist, subdivisions - 1, - param); - } - if (right.isnonempty()) { - if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) - freejarcs(right); - else - nonSamplingSplit(right, subpatchlist, subdivisions - 1, - param); - } - } else { - patchlist.bbox(); - backend.patch(patchlist.pspec[0].range[0], - patchlist.pspec[0].range[1], patchlist.pspec[1].range[0], - patchlist.pspec[1].range[1]); - if (renderhints.display_method == NurbsConsts.N_OUTLINE_SUBDIV) { - outline(source); - freejarcs(source); - } else { - setArcTypePwl(); - setDegenerate(); - findIrregularS(source); - monosplitInS(source, smbrkpts.start, smbrkpts.end); - } - } - - } - - /** - * Not used - * @param source - * @param start - * @param end - */ - private void monosplitInS(Bin source, int start, int end) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.monosplitins"); - } - - /** - * Not used - * @param source - */ - private void findIrregularS(Bin source) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.findIrregularS"); - } - - /** - * Not used - */ - private void setArcTypePwl() { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.setarctypepwl"); - } - - /** - * Not used - * @param source - * @param patchlist - */ - private void tesselation(Bin source, Patchlist patchlist) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.tesselation"); - } - - /** - * Not used - */ - private void setDegenerate() { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.setdegenerate"); - } - - /** - * Not used - * @param bin - * @param left - * @param right - * @param param - * @param value - */ - private void split(Bin bin, Bin left, Bin right, int param, float value) { - // DONE - Bin intersections = new Bin(); - Bin unknown = new Bin(); - - partition(bin, left, intersections, right, unknown, param, value); - - int count = intersections.numarcs(); - // TODO jumpbuffer ?? - - if (count % 2 == 0) { - - Arc[] arclist = new Arc[MAXARCS]; - CArrayOfArcs list; - if (count >= MAXARCS) { - list = new CArrayOfArcs(new Arc[count]); - } else { - list = new CArrayOfArcs(arclist); - } - - CArrayOfArcs last, lptr; - Arc jarc; - - for (last = new CArrayOfArcs(list); (jarc = intersections - .removearc()) != null; last.pp()) - last.set(jarc); - - if (param == 0) {// sort into incrasing t order - ArcSdirSorter sorter = new ArcSdirSorter(this); - sorter.qsort(list, count); - - for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last - .getPointer(); lptr.raisePointerBy(2)) - check_s(lptr.get(), lptr.getRelative(1)); - for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last - .getPointer(); lptr.raisePointerBy(2)) - join_s(left, right, lptr.get(), lptr.getRelative(1)); - for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last - .getPointer(); lptr.pp()) { - if (lptr.get().head()[0] <= value - && lptr.get().tail()[0] <= value) - left.addarc(lptr.get()); - else - right.addarc(lptr.get()); - } - - } else {// sort into decreasing s order - ArcTdirSorter sorter = new ArcTdirSorter(this); - sorter.qsort(list, count); - - for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last - .getPointer(); lptr.raisePointerBy(2)) - check_t(lptr.get(), lptr.getRelative(1)); - for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last - .getPointer(); lptr.raisePointerBy(2)) - join_t(left, right, lptr.get(), lptr.getRelative(1)); - for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last - .getPointer(); lptr.raisePointerBy(2)) { - if (lptr.get().head()[0] <= value - && lptr.get().tail()[0] <= value) - left.addarc(lptr.get()); - else - right.addarc(lptr.get()); - } - - } - - unknown.adopt(); - } - } - - /** - * Not used - * @param left - * @param right - * @param arc - * @param relative - */ - private void join_t(Bin left, Bin right, Arc arc, Arc relative) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.join_t"); - } - - /** - * Not used - * @param arc - * @param relative - */ - private void check_t(Arc arc, Arc relative) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.check_t"); - } - - /** - * Not used - * @param left - * @param right - * @param jarc1 - * @param jarc2 - */ - private void join_s(Bin left, Bin right, Arc jarc1, Arc jarc2) { - // DONE - if (!jarc1.getitail()) - jarc1 = jarc1.next; - if (!jarc2.getitail()) - jarc2 = jarc2.next; - - float s = jarc1.tail()[0]; - float t1 = jarc1.tail()[1]; - float t2 = jarc2.tail()[1]; - - if (t1 == t2) { - simplelink(jarc1, jarc2); - } else { - Arc newright = new Arc(Arc.ARC_RIGHT); - Arc newleft = new Arc(Arc.ARC_LEFT); - if (isBezierArcType()) { - arctesselator.bezier(newright, s, s, t1, t2); - arctesselator.bezier(newleft, s, s, t2, t1); - } else { - arctesselator.pwl_right(newright, s, t1, t2, stepsizes[0]); - arctesselator.pwl_left(newright, s, t2, t1, stepsizes[2]); - } - link(jarc1, jarc2, newright, newleft); - left.addarc(newright); - right.addarc(newleft); - } - - } - - /** - * Not used - * @param jarc1 - * @param jarc2 - * @param newright - * @param newleft - */ - private void link(Arc jarc1, Arc jarc2, Arc newright, Arc newleft) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.link"); - } - - /** - * Not used - * @return true - */ - private boolean isBezierArcType() { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.isbezierarc"); - return true; - } - - /** - * Not used - * @param jarc1 - * @param jarc2 - */ - private void simplelink(Arc jarc1, Arc jarc2) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.simplelink"); - } - - /** - * Not used - * @param arc - * @param relative - */ - private void check_s(Arc arc, Arc relative) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.check_s"); - - } - - /** - * Not used - * @param bin - * @param left - * @param intersections - * @param right - * @param unknown - * @param param - * @param value - */ - private void partition(Bin bin, Bin left, Bin intersections, Bin right, - Bin unknown, int param, float value) { - - Bin headonleft = new Bin(); - Bin headonright = new Bin(); - Bin tailonleft = new Bin(); - Bin tailonright = new Bin(); - - for (Arc jarc = bin.removearc(); jarc != null; jarc = bin.removearc()) { - float tdiff = jarc.tail()[param] - value; - float hdiff = jarc.head()[param] - value; - - if (tdiff > 0) { - if (hdiff > 0) { - right.addarc(jarc); - } else if (hdiff == 0) { - tailonright.addarc(jarc); - } else { - Arc jtemp; - switch (arc_split(jarc, param, value, 0)) { - case 2: - tailonright.addarc(jarc); - headonleft.addarc(jarc.next); - break; - // TODO rest cases - default: - System.out - .println("TODO subdivider.partition rest cases"); - break; - } - } - } else if (tdiff == 0) { - if (hdiff > 0) { - headonright.addarc(jarc); - } else if (hdiff == 0) { - unknown.addarc(jarc); - } else { - headonright.addarc(jarc); - } - } else { - if (hdiff > 0) { - // TODO rest - // System.out.println("TODO subdivider.partition rest of else"); - } else if (hdiff == 0) { - tailonleft.addarc(jarc); - } else { - left.addarc(jarc); - } - } - - } - if (param == 0) { - classify_headonleft_s(headonleft, intersections, left, value); - classify_tailonleft_s(tailonleft, intersections, left, value); - classify_headonright_s(headonright, intersections, right, value); - classify_tailonright_s(tailonright, intersections, right, value); - } else { - classify_headonleft_t(headonleft, intersections, left, value); - classify_tailonleft_t(tailonleft, intersections, left, value); - classify_headonright_t(headonright, intersections, right, value); - classify_tailonright_t(tailonright, intersections, right, value); - } - } - - /** - * Not used - * @param tailonright - * @param intersections - * @param right - * @param value - */ - private void classify_tailonright_t(Bin tailonright, Bin intersections, - Bin right, float value) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.classify_tailonright_t"); - - } - - /** - * Not used - * @param bin - * @param in - * @param out - * @param val - */ - private void classify_tailonleft_s(Bin bin, Bin in, Bin out, float val) { - - // DONE - Arc j; - while ((j = bin.removearc()) != null) { - j.clearitail(); - - float diff = j.next.head()[0] - val; - if (diff > 0) { - in.addarc(j); - } else if (diff < 0) { - if (ccwTurn_sl(j, j.next)) - out.addarc(j); - else - in.addarc(j); - } else { - if (j.next.tail()[1] > j.next.head()[1]) - in.addarc(j); - else - out.addarc(j); - } - } - - } - - /** - * Not used - * @param bin - * @param in - * @param out - * @param val - */ - private void classify_headonright_s(Bin bin, Bin in, Bin out, float val) { - // DONE - Arc j; - while ((j = bin.removearc()) != null) { - j.setitail(); - - float diff = j.prev.tail()[0] - val; - if (diff > 0) { - if (ccwTurn_sr(j.prev, j)) - out.addarc(j); - else - in.addarc(j); - } else if (diff < 0) { - out.addarc(j); - } else { - if (j.prev.tail()[1] > j.prev.head()[1]) - out.addarc(j); - else - in.addarc(j); - } - } - } - - /** - * Not used - * @param prev - * @param j - * @return false - */ - private boolean ccwTurn_sr(Arc prev, Arc j) { - // TODO Auto-generated method stub - // System.out.println("TODO ccwTurn_sr"); - return false; - } - - /** - * Not used - * @param headonright - * @param intersections - * @param right - * @param value - */ - private void classify_headonright_t(Bin headonright, Bin intersections, - Bin right, float value) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.classify_headonright_t"); - } - - /** - * Not used - * @param tailonleft - * @param intersections - * @param left - * @param value - */ - private void classify_tailonleft_t(Bin tailonleft, Bin intersections, - Bin left, float value) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.classify_tailonleft_t"); - } - - /** - * Not used - * @param bin - * @param in - * @param out - * @param val - */ - private void classify_headonleft_t(Bin bin, Bin in, Bin out, float val) { - // DONE - Arc j; - while ((j = bin.removearc()) != null) { - j.setitail(); - - float diff = j.prev.tail()[1] - val; - if (diff > 0) { - out.addarc(j); - } else if (diff < 0) { - if (ccwTurn_tl(j.prev, j)) - out.addarc(j); - else - in.addarc(j); - } else { - if (j.prev.tail()[0] > j.prev.head()[0]) - out.addarc(j); - else - in.addarc(j); - } - } - } - - /** - * Not used - * @param prev - * @param j - * @return false - */ - private boolean ccwTurn_tl(Arc prev, Arc j) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.ccwTurn_tl"); - return false; - } - - /** - * Not used - * @param bin - * @param in - * @param out - * @param val - */ - private void classify_tailonright_s(Bin bin, Bin in, Bin out, float val) { - // DONE - Arc j; - while ((j = bin.removearc()) != null) { - j.clearitail(); - - float diff = j.next.head()[0] - val; - if (diff > 0) { - if (ccwTurn_sr(j, j.next)) - out.addarc(j); - else - in.addarc(j); - } else if (diff < 0) { - in.addarc(j); - } else { - if (j.next.tail()[1] > j.next.head()[1]) - out.addarc(j); - else - in.addarc(j); - } - } - - } - - /** - * Not used - * @param bin - * @param in - * @param out - * @param val - */ - private void classify_headonleft_s(Bin bin, Bin in, Bin out, float val) { - // DONE - Arc j; - while ((j = bin.removearc()) != null) { - j.setitail(); - - float diff = j.prev.tail()[0] - val; - if (diff > 0) { - out.addarc(j); - } else if (diff < 0) { - if (ccwTurn_sl(j.prev, j)) - out.addarc(j); - else - in.addarc(j); - } else { - if (j.prev.tail()[1] > j.prev.head()[1]) - in.addarc(j); - else - out.addarc(j); - } - } - - } - - /** - * Not used - * @param prev - * @param j - * @return false - */ - private boolean ccwTurn_sl(Arc prev, Arc j) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.ccwTurn_sl"); - return false; - } - - /** - * Not used - * @param jarc - * @param param - * @param value - * @param i - * @return 0 - */ - private int arc_split(Arc jarc, int param, float value, int i) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.arc_split"); - return 0; - } - - /** - * Not used - */ - private void setNonDegenerate() { - // DONE - this.showDegenerate = false; - - } - - /** - * sets trimming arc default type to bezier - */ - private void setArcTypeBezier() { - // DONE - isArcTypeBezier = true; - } - - /** - * Not used - * @param source - */ - private void outline(Bin source) { - // TODO Auto-generated method stub - // System.out.println("TODO subdivider.outline"); - } - - /** - * Makes default trim along surface borders - * @param from range beginnings - * @param to range ends - */ - private void makeBorderTrim(float[] from, float[] to) { - // DONE - float smin = from[0]; - float smax = to[0]; - - float tmin = from[1]; - float tmax = to[1]; - - pjarc = null; - Arc jarc = null; - - jarc = new Arc(Arc.ARC_BOTTOM); - arctesselator.bezier(jarc, smin, smax, tmin, tmin); - initialbin.addarc(jarc); - pjarc = jarc.append(pjarc); - - jarc = new Arc(Arc.ARC_RIGHT); - arctesselator.bezier(jarc, smax, smax, tmin, tmax); - initialbin.addarc(jarc); - pjarc = jarc.append(pjarc); - - jarc = new Arc(Arc.ARC_TOP); - arctesselator.bezier(jarc, smax, smin, tmax, tmax); - initialbin.addarc(jarc); - pjarc = jarc.append(pjarc); - - jarc = new Arc(Arc.ARC_LEFT); - arctesselator.bezier(jarc, smin, smin, tmax, tmin); - initialbin.addarc(jarc); - jarc = jarc.append(pjarc); - - // assert (jarc.check() == true); - } - - /** - * Draws NURBS curve - */ - public void drawCurves() { - // DONE - float[] from = new float[1]; - float[] to = new float[1]; - - Flist bpts = new Flist(); - qlist.getRange(from, to, bpts); - - renderhints.init(); - - backend.bgncurv(); - - for (int i = bpts.start; i < bpts.end - 1; i++) { - float[] pta = new float[1]; - float[] ptb = new float[1]; - pta[0] = bpts.pts[i]; - ptb[0] = bpts.pts[i + 1]; - - qlist.downloadAll(pta, ptb, backend); - Curvelist curvelist = new Curvelist(qlist, pta, ptb); - samplingSplit(curvelist, renderhints.maxsubdivisions); - } - backend.endcurv(); - } - - /** - * Samples a curve in case of need, or sends curve to backend - * @param curvelist list of curves - * @param maxsubdivisions maximum number of subdivisions - */ - private void samplingSplit(Curvelist curvelist, int maxsubdivisions) { - if (curvelist.cullCheck() == CULL_TRIVIAL_REJECT) - return; - - curvelist.getstepsize(); - - if (curvelist.needsSamplingSubdivision() && (subdivisions > 0)) { - // TODO kód - // System.out.println("TODO subdivider-needsSamplingSubdivision"); - } else { - int nu = (int) (1 + curvelist.range[2] / curvelist.stepsize); - backend.curvgrid(curvelist.range[0], curvelist.range[1], nu); - backend.curvmesh(0, nu); - } - - } - - /** - * Sets new domain_distance_u_rate value - * @param d new domain_distance_u_rate value - - */ - public void set_domain_distance_u_rate(double d) { - // DONE - domain_distance_u_rate = (float) d; - } - - /** - * Sets new domain_distance_v_rate value - * @param d new domain_distance_v_rate value - */ - public void set_domain_distance_v_rate(double d) { - // DONE - domain_distance_v_rate = (float) d; - } - - /** - * Sets new is_domain_distance_sampling value - * @param i new is_domain_distance_sampling value - */ - public void set_is_domain_distance_sampling(int i) { - // DONE - this.is_domain_distance_sampling = i; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/SurfaceEvaluator.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/SurfaceEvaluator.java deleted file mode 100755 index 99209b744..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/SurfaceEvaluator.java +++ /dev/null @@ -1,111 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Class rendering surfaces with OpenGL - * @author Tomas Hrasky - * - */ -public interface SurfaceEvaluator { - - /** - * Pushes eval bit - */ - public void bgnmap2f() ; - - /** - * Sets glPolygonMode - * @param style polygon mode (N_MESHFILL/N_MESHLINE/N_MESHPOINT) - */ - public void polymode(int style) ; - - /** - * Pops all attributes - */ - public void endmap2f() ; - - /** - * Empty method - * @param ulo - * @param uhi - * @param vlo - * @param vhi - */ - public void domain2f(float ulo, float uhi, float vlo, float vhi) ; - - /** - * Defines 2D mesh - * @param nu number of steps in u direction - * @param u0 lowest u - * @param u1 highest u - * @param nv number of steps in v direction - * @param v0 lowest v - * @param v1 highest v - */ - public void mapgrid2f(int nu, float u0, float u1, int nv, float v0, float v1) ; - - /** - * Evaluates surface - * @param style surface style - * @param umin minimum U - * @param umax maximum U - * @param vmin minimum V - * @param vmax maximum V - */ - public void mapmesh2f(int style, int umin, int umax, int vmin, int vmax) ; - - /** - * Initializes evaluator - * @param type surface type - * @param ulo lowest u - * @param uhi highest u - * @param ustride number of objects between control points in u direction - * @param uorder surface order in u direction - * @param vlo lowest v - * @param vhi highest v - * @param vstride number of control points' coords - * @param vorder surface order in v direction - * @param pts control points - */ - public void map2f(int type, float ulo, float uhi, int ustride, int uorder, - float vlo, float vhi, int vstride, int vorder, CArrayOfFloats pts) ; - - /** - * Calls opengl enable - * @param type what to enable - */ - public void enable(int type) ; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/TrimVertex.java b/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/TrimVertex.java deleted file mode 100755 index 2c4b94ba3..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/nurbs/TrimVertex.java +++ /dev/null @@ -1,56 +0,0 @@ -package com.sun.opengl.impl.glu.nurbs; - -/* - ** License Applicability. Except to the extent portions of this file are - ** made subject to an alternative license as permitted in the SGI Free - ** Software License B, Version 2.0 (the "License"), the contents of this - ** file are subject only to the provisions of the License. You may not use - ** this file except in compliance with the License. You may obtain a copy - ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - ** - ** http://oss.sgi.com/projects/FreeB - ** - ** Note that, as provided in the License, the Software is distributed on an - ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - ** - ** Original Code. The Original Code is: OpenGL Sample Implementation, - ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - ** Copyright in any portions created by third parties is as indicated - ** elsewhere herein. All Rights Reserved. - ** - ** Additional Notice Provisions: The application programming interfaces - ** established by SGI in conjunction with the Original Code are The - ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - ** Window System(R) (Version 1.3), released October 19, 1998. This software - ** was created using the OpenGL(R) version 1.2.1 Sample Implementation - ** published by SGI, but has not been independently verified as being - ** compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -/** - * Holds vertex used in trim - * - * @author Tomas Hrasky - * - */ -public class TrimVertex { - - /** - * Trim vertex coords - */ - public float[] param; - - /** - * Makes new empty trim vertex - */ - public TrimVertex() { - param = new float[2]; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/registry/Registry.java b/src/jogl/classes/com/sun/opengl/impl/glu/registry/Registry.java deleted file mode 100644 index 5c6b03c20..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/registry/Registry.java +++ /dev/null @@ -1,79 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 2.0 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.glu.registry; - -import javax.media.opengl.glu.GLU; - -/** - * - * @author Administrator - */ -public class Registry { - - /** Creates a new instance of Registry */ - public Registry() { - } - - public static String gluGetString(int name) { - if( name == GLU.GLU_VERSION ) { - return( "1.3" ); - } else if( name == GLU.GLU_EXTENSIONS ) { - return( "GLU_EXT_nurbs_tessellator GLU_EXT_object_space_tess " ); - } - return( null ); - } - - public static boolean gluCheckExtension( String extName, String extString ) { - if( extName == null || extString == null ) { - return( false ); - } - if ((extString.indexOf(extName + " ") >= 0) || - extString.endsWith(extName) || - extString.equals(extName)) { - return true; - } - return false; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/ActiveRegion.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/ActiveRegion.java deleted file mode 100644 index a875fb92e..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/ActiveRegion.java +++ /dev/null @@ -1,69 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - - -class ActiveRegion { - GLUhalfEdge eUp; /* upper edge, directed right to left */ - DictNode nodeUp; /* dictionary node corresponding to eUp */ - int windingNumber; /* used to determine which regions are - * inside the polygon */ - boolean inside; /* is this region inside the polygon? */ - boolean sentinel; /* marks fake edges at t = +/-infinity */ - boolean dirty; /* marks regions where the upper or lower - * edge has changed, but we haven't checked - * whether they intersect yet */ - boolean fixUpperEdge; /* marks temporary edges introduced when - * we process a "right vertex" (one without - * any edges leaving to the right) */ -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/CachedVertex.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/CachedVertex.java deleted file mode 100644 index 85c9d5007..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/CachedVertex.java +++ /dev/null @@ -1,58 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class CachedVertex { - public double[] coords = new double[3]; - public Object data; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Dict.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Dict.java deleted file mode 100644 index 9b7fb65a1..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Dict.java +++ /dev/null @@ -1,140 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class Dict { - DictNode head; - Object frame; - DictLeq leq; - - private Dict() { - } - - static Dict dictNewDict(Object frame, DictLeq leq) { - Dict dict = new Dict(); - dict.head = new DictNode(); - - dict.head.key = null; - dict.head.next = dict.head; - dict.head.prev = dict.head; - - dict.frame = frame; - dict.leq = leq; - - return dict; - } - - static void dictDeleteDict(Dict dict) { - dict.head = null; - dict.frame = null; - dict.leq = null; - } - - static DictNode dictInsert(Dict dict, Object key) { - return dictInsertBefore(dict, dict.head, key); - } - - static DictNode dictInsertBefore(Dict dict, DictNode node, Object key) { - do { - node = node.prev; - } while (node.key != null && !dict.leq.leq(dict.frame, node.key, key)); - - DictNode newNode = new DictNode(); - newNode.key = key; - newNode.next = node.next; - node.next.prev = newNode; - newNode.prev = node; - node.next = newNode; - - return newNode; - } - - static Object dictKey(DictNode aNode) { - return aNode.key; - } - - static DictNode dictSucc(DictNode aNode) { - return aNode.next; - } - - static DictNode dictPred(DictNode aNode) { - return aNode.prev; - } - - static DictNode dictMin(Dict aDict) { - return aDict.head.next; - } - - static DictNode dictMax(Dict aDict) { - return aDict.head.prev; - } - - static void dictDelete(Dict dict, DictNode node) { - node.next.prev = node.prev; - node.prev.next = node.next; - } - - static DictNode dictSearch(Dict dict, Object key) { - DictNode node = dict.head; - - do { - node = node.next; - } while (node.key != null && !(dict.leq.leq(dict.frame, key, node.key))); - - return node; - } - - public interface DictLeq { - boolean leq(Object frame, Object key1, Object key2); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/DictNode.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/DictNode.java deleted file mode 100644 index 3c6342776..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/DictNode.java +++ /dev/null @@ -1,59 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class DictNode { - Object key; - DictNode next; - DictNode prev; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUface.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUface.java deleted file mode 100644 index 1bcd12b0b..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUface.java +++ /dev/null @@ -1,65 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class GLUface { - public GLUface next; /* next face (never NULL) */ - public GLUface prev; /* previous face (never NULL) */ - public GLUhalfEdge anEdge; /* a half edge with this left face */ - public Object data; /* room for client's data */ - - /* Internal data (keep hidden) */ - public GLUface trail; /* "stack" for conversion to strips */ - public boolean marked; /* flag for conversion to strips */ - public boolean inside; /* this face is in the polygon interior */ -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUhalfEdge.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUhalfEdge.java deleted file mode 100644 index 3747bcf25..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUhalfEdge.java +++ /dev/null @@ -1,71 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class GLUhalfEdge { - public GLUhalfEdge next; /* doubly-linked list (prev==Sym->next) */ - public GLUhalfEdge Sym; /* same edge, opposite direction */ - public GLUhalfEdge Onext; /* next edge CCW around origin */ - public GLUhalfEdge Lnext; /* next edge CCW around left face */ - public GLUvertex Org; /* origin vertex (Overtex too long) */ - public com.sun.opengl.impl.glu.tessellator.GLUface Lface; /* left face */ - - /* Internal data (keep hidden) */ - public com.sun.opengl.impl.glu.tessellator.ActiveRegion activeRegion; /* a region with this upper edge (sweep.c) */ - public int winding; /* change in winding number when crossing */ - public boolean first; - - public GLUhalfEdge(boolean first) { - this.first = first; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUmesh.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUmesh.java deleted file mode 100644 index 4f753a28c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUmesh.java +++ /dev/null @@ -1,60 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class GLUmesh { - GLUvertex vHead = new GLUvertex(); /* dummy header for vertex list */ - com.sun.opengl.impl.glu.tessellator.GLUface fHead = new GLUface(); /* dummy header for face list */ - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eHead = new GLUhalfEdge(true); /* dummy header for edge list */ - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eHeadSym = new GLUhalfEdge(false); /* and its symmetric counterpart */ -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUtessellatorImpl.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUtessellatorImpl.java deleted file mode 100644 index 5155272f6..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUtessellatorImpl.java +++ /dev/null @@ -1,646 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -import com.sun.opengl.impl.glu.tessellator.*; -import javax.media.opengl.*; -import javax.media.opengl.glu.*; - -public class GLUtessellatorImpl implements GLUtessellator { - public static final int TESS_MAX_CACHE = 100; - - private int state; /* what begin/end calls have we seen? */ - - private GLUhalfEdge lastEdge; /* lastEdge->Org is the most recent vertex */ - GLUmesh mesh; /* stores the input contours, and eventually - the tessellation itself */ - - /*** state needed for projecting onto the sweep plane ***/ - - double[] normal = new double[3]; /* user-specified normal (if provided) */ - double[] sUnit = new double[3]; /* unit vector in s-direction (debugging) */ - double[] tUnit = new double[3]; /* unit vector in t-direction (debugging) */ - - /*** state needed for the line sweep ***/ - - private double relTolerance; /* tolerance for merging features */ - int windingRule; /* rule for determining polygon interior */ - boolean fatalError; /* fatal error: needed combine callback */ - - Dict dict; /* edge dictionary for sweep line */ - PriorityQ pq; /* priority queue of vertex events */ - GLUvertex event; /* current sweep event being processed */ - - /*** state needed for rendering callbacks (see render.c) ***/ - - boolean flagBoundary; /* mark boundary edges (use EdgeFlag) */ - boolean boundaryOnly; /* Extract contours, not triangles */ - boolean avoidDegenerateTris; /* JOGL-specific hint to try to improve triangulation - by avoiding producing degenerate (zero-area) triangles; - has not been tested exhaustively and is therefore an option */ - - GLUface lonelyTriList; - /* list of triangles which could not be rendered as strips or fans */ - - - - /*** state needed to cache single-contour polygons for renderCache() */ - - private boolean flushCacheOnNextVertex; /* empty cache on next vertex() call */ - int cacheCount; /* number of cached vertices */ - CachedVertex[] cache = new CachedVertex[TESS_MAX_CACHE]; /* the vertex data */ - - /*** rendering callbacks that also pass polygon data ***/ - private Object polygonData; /* client data for current polygon */ - - private GLUtessellatorCallback callBegin; - private GLUtessellatorCallback callEdgeFlag; - private GLUtessellatorCallback callVertex; - private GLUtessellatorCallback callEnd; -// private GLUtessellatorCallback callMesh; - private GLUtessellatorCallback callError; - private GLUtessellatorCallback callCombine; - - private GLUtessellatorCallback callBeginData; - private GLUtessellatorCallback callEdgeFlagData; - private GLUtessellatorCallback callVertexData; - private GLUtessellatorCallback callEndData; -// private GLUtessellatorCallback callMeshData; - private GLUtessellatorCallback callErrorData; - private GLUtessellatorCallback callCombineData; - - private static final double GLU_TESS_DEFAULT_TOLERANCE = 0.0; -// private static final int GLU_TESS_MESH = 100112; /* void (*)(GLUmesh *mesh) */ - private static GLUtessellatorCallback NULL_CB = new GLUtessellatorCallbackAdapter(); - -// #define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \ -// MAX(sizeof(GLUvertex),sizeof(GLUface)))) - - private GLUtessellatorImpl() { - state = TessState.T_DORMANT; - - normal[0] = 0; - normal[1] = 0; - normal[2] = 0; - - relTolerance = GLU_TESS_DEFAULT_TOLERANCE; - windingRule = GLU.GLU_TESS_WINDING_ODD; - flagBoundary = false; - boundaryOnly = false; - - callBegin = NULL_CB; - callEdgeFlag = NULL_CB; - callVertex = NULL_CB; - callEnd = NULL_CB; - callError = NULL_CB; - callCombine = NULL_CB; -// callMesh = NULL_CB; - - callBeginData = NULL_CB; - callEdgeFlagData = NULL_CB; - callVertexData = NULL_CB; - callEndData = NULL_CB; - callErrorData = NULL_CB; - callCombineData = NULL_CB; - - polygonData = null; - - for (int i = 0; i < cache.length; i++) { - cache[i] = new CachedVertex(); - } - } - - static public GLUtessellator gluNewTess() - { - return new GLUtessellatorImpl(); - } - - - private void makeDormant() { - /* Return the tessellator to its original dormant state. */ - - if (mesh != null) { - Mesh.__gl_meshDeleteMesh(mesh); - } - state = TessState.T_DORMANT; - lastEdge = null; - mesh = null; - } - - private void requireState(int newState) { - if (state != newState) gotoState(newState); - } - - private void gotoState(int newState) { - while (state != newState) { - /* We change the current state one level at a time, to get to - * the desired state. - */ - if (state < newState) { - if (state == TessState.T_DORMANT) { - callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_POLYGON); - gluTessBeginPolygon(null); - } else if (state == TessState.T_IN_POLYGON) { - callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_CONTOUR); - gluTessBeginContour(); - } - } else { - if (state == TessState.T_IN_CONTOUR) { - callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_CONTOUR); - gluTessEndContour(); - } else if (state == TessState.T_IN_POLYGON) { - callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_POLYGON); - /* gluTessEndPolygon( tess ) is too much work! */ - makeDormant(); - } - } - } - } - - public void gluDeleteTess() { - requireState(TessState.T_DORMANT); - } - - public void gluTessProperty(int which, double value) { - switch (which) { - case GLU.GLU_TESS_TOLERANCE: - if (value < 0.0 || value > 1.0) break; - relTolerance = value; - return; - - case GLU.GLU_TESS_WINDING_RULE: - int windingRule = (int) value; - if (windingRule != value) break; /* not an integer */ - - switch (windingRule) { - case GLU.GLU_TESS_WINDING_ODD: - case GLU.GLU_TESS_WINDING_NONZERO: - case GLU.GLU_TESS_WINDING_POSITIVE: - case GLU.GLU_TESS_WINDING_NEGATIVE: - case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: - this.windingRule = windingRule; - return; - default: - break; - } - - case GLU.GLU_TESS_BOUNDARY_ONLY: - boundaryOnly = (value != 0); - return; - - case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: - avoidDegenerateTris = (value != 0); - return; - - default: - callErrorOrErrorData(GLU.GLU_INVALID_ENUM); - return; - } - callErrorOrErrorData(GLU.GLU_INVALID_VALUE); - } - -/* Returns tessellator property */ - public void gluGetTessProperty(int which, double[] value, int value_offset) { - switch (which) { - case GLU.GLU_TESS_TOLERANCE: -/* tolerance should be in range [0..1] */ - assert (0.0 <= relTolerance && relTolerance <= 1.0); - value[value_offset] = relTolerance; - break; - case GLU.GLU_TESS_WINDING_RULE: - assert (windingRule == GLU.GLU_TESS_WINDING_ODD || - windingRule == GLU.GLU_TESS_WINDING_NONZERO || - windingRule == GLU.GLU_TESS_WINDING_POSITIVE || - windingRule == GLU.GLU_TESS_WINDING_NEGATIVE || - windingRule == GLU.GLU_TESS_WINDING_ABS_GEQ_TWO); - value[value_offset] = windingRule; - break; - case GLU.GLU_TESS_BOUNDARY_ONLY: - assert (boundaryOnly == true || boundaryOnly == false); - value[value_offset] = boundaryOnly ? 1 : 0; - break; - case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: - value[value_offset] = avoidDegenerateTris ? 1 : 0; - break; - default: - value[value_offset] = 0.0; - callErrorOrErrorData(GLU.GLU_INVALID_ENUM); - break; - } - } /* gluGetTessProperty() */ - - public void gluTessNormal(double x, double y, double z) { - normal[0] = x; - normal[1] = y; - normal[2] = z; - } - - public void gluTessCallback(int which, GLUtessellatorCallback aCallback) { - switch (which) { - case GLU.GLU_TESS_BEGIN: - callBegin = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_BEGIN_DATA: - callBeginData = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_EDGE_FLAG: - callEdgeFlag = aCallback == null ? NULL_CB : aCallback; -/* If the client wants boundary edges to be flagged, - * we render everything as separate triangles (no strips or fans). - */ - flagBoundary = aCallback != null; - return; - case GLU.GLU_TESS_EDGE_FLAG_DATA: - callEdgeFlagData = callBegin = aCallback == null ? NULL_CB : aCallback; -/* If the client wants boundary edges to be flagged, - * we render everything as separate triangles (no strips or fans). - */ - flagBoundary = (aCallback != null); - return; - case GLU.GLU_TESS_VERTEX: - callVertex = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_VERTEX_DATA: - callVertexData = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_END: - callEnd = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_END_DATA: - callEndData = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_ERROR: - callError = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_ERROR_DATA: - callErrorData = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_COMBINE: - callCombine = aCallback == null ? NULL_CB : aCallback; - return; - case GLU.GLU_TESS_COMBINE_DATA: - callCombineData = aCallback == null ? NULL_CB : aCallback; - return; -// case GLU_TESS_MESH: -// callMesh = aCallback == null ? NULL_CB : aCallback; -// return; - default: - callErrorOrErrorData(GLU.GLU_INVALID_ENUM); - return; - } - } - - private boolean addVertex(double[] coords, Object vertexData) { - GLUhalfEdge e; - - e = lastEdge; - if (e == null) { -/* Make a self-loop (one vertex, one edge). */ - - e = Mesh.__gl_meshMakeEdge(mesh); - if (e == null) return false; - if (!Mesh.__gl_meshSplice(e, e.Sym)) return false; - } else { -/* Create a new vertex and edge which immediately follow e - * in the ordering around the left face. - */ - if (Mesh.__gl_meshSplitEdge(e) == null) return false; - e = e.Lnext; - } - -/* The new vertex is now e.Org. */ - e.Org.data = vertexData; - e.Org.coords[0] = coords[0]; - e.Org.coords[1] = coords[1]; - e.Org.coords[2] = coords[2]; - -/* The winding of an edge says how the winding number changes as we - * cross from the edge''s right face to its left face. We add the - * vertices in such an order that a CCW contour will add +1 to - * the winding number of the region inside the contour. - */ - e.winding = 1; - e.Sym.winding = -1; - - lastEdge = e; - - return true; - } - - private void cacheVertex(double[] coords, Object vertexData) { - if (cache[cacheCount] == null) { - cache[cacheCount] = new CachedVertex(); - } - - CachedVertex v = cache[cacheCount]; - - v.data = vertexData; - v.coords[0] = coords[0]; - v.coords[1] = coords[1]; - v.coords[2] = coords[2]; - ++cacheCount; - } - - - private boolean flushCache() { - CachedVertex[] v = cache; - - mesh = Mesh.__gl_meshNewMesh(); - if (mesh == null) return false; - - for (int i = 0; i < cacheCount; i++) { - CachedVertex vertex = v[i]; - if (!addVertex(vertex.coords, vertex.data)) return false; - } - cacheCount = 0; - flushCacheOnNextVertex = false; - - return true; - } - - public void gluTessVertex(double[] coords, int coords_offset, Object vertexData) { - int i; - boolean tooLarge = false; - double x; - double[] clamped = new double[3]; - - requireState(TessState.T_IN_CONTOUR); - - if (flushCacheOnNextVertex) { - if (!flushCache()) { - callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); - return; - } - lastEdge = null; - } - for (i = 0; i < 3; ++i) { - x = coords[i+coords_offset]; - if (x < -GLU.GLU_TESS_MAX_COORD) { - x = -GLU.GLU_TESS_MAX_COORD; - tooLarge = true; - } - if (x > GLU.GLU_TESS_MAX_COORD) { - x = GLU.GLU_TESS_MAX_COORD; - tooLarge = true; - } - clamped[i] = x; - } - if (tooLarge) { - callErrorOrErrorData(GLU.GLU_TESS_COORD_TOO_LARGE); - } - - if (mesh == null) { - if (cacheCount < TESS_MAX_CACHE) { - cacheVertex(clamped, vertexData); - return; - } - if (!flushCache()) { - callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); - return; - } - } - - if (!addVertex(clamped, vertexData)) { - callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); - } - } - - - public void gluTessBeginPolygon(Object data) { - requireState(TessState.T_DORMANT); - - state = TessState.T_IN_POLYGON; - cacheCount = 0; - flushCacheOnNextVertex = false; - mesh = null; - - polygonData = data; - } - - - public void gluTessBeginContour() { - requireState(TessState.T_IN_POLYGON); - - state = TessState.T_IN_CONTOUR; - lastEdge = null; - if (cacheCount > 0) { -/* Just set a flag so we don't get confused by empty contours - * -- these can be generated accidentally with the obsolete - * NextContour() interface. - */ - flushCacheOnNextVertex = true; - } - } - - - public void gluTessEndContour() { - requireState(TessState.T_IN_CONTOUR); - state = TessState.T_IN_POLYGON; - } - - public void gluTessEndPolygon() { - GLUmesh mesh; - - try { - requireState(TessState.T_IN_POLYGON); - state = TessState.T_DORMANT; - - if (this.mesh == null) { - if (!flagBoundary /*&& callMesh == NULL_CB*/) { - -/* Try some special code to make the easy cases go quickly - * (eg. convex polygons). This code does NOT handle multiple contours, - * intersections, edge flags, and of course it does not generate - * an explicit mesh either. - */ - if (Render.__gl_renderCache(this)) { - polygonData = null; - return; - } - } - if (!flushCache()) throw new RuntimeException(); /* could've used a label*/ - } - -/* Determine the polygon normal and project vertices onto the plane - * of the polygon. - */ - Normal.__gl_projectPolygon(this); - -/* __gl_computeInterior( tess ) computes the planar arrangement specified - * by the given contours, and further subdivides this arrangement - * into regions. Each region is marked "inside" if it belongs - * to the polygon, according to the rule given by windingRule. - * Each interior region is guaranteed be monotone. - */ - if (!Sweep.__gl_computeInterior(this)) { - throw new RuntimeException(); /* could've used a label */ - } - - mesh = this.mesh; - if (!fatalError) { - boolean rc = true; - -/* If the user wants only the boundary contours, we throw away all edges - * except those which separate the interior from the exterior. - * Otherwise we tessellate all the regions marked "inside". - */ - if (boundaryOnly) { - rc = TessMono.__gl_meshSetWindingNumber(mesh, 1, true); - } else { - rc = TessMono.__gl_meshTessellateInterior(mesh, avoidDegenerateTris); - } - if (!rc) throw new RuntimeException(); /* could've used a label */ - - Mesh.__gl_meshCheckMesh(mesh); - - if (callBegin != NULL_CB || callEnd != NULL_CB - || callVertex != NULL_CB || callEdgeFlag != NULL_CB - || callBeginData != NULL_CB - || callEndData != NULL_CB - || callVertexData != NULL_CB - || callEdgeFlagData != NULL_CB) { - if (boundaryOnly) { - Render.__gl_renderBoundary(this, mesh); /* output boundary contours */ - } else { - Render.__gl_renderMesh(this, mesh); /* output strips and fans */ - } - } -// if (callMesh != NULL_CB) { -// -///* Throw away the exterior faces, so that all faces are interior. -// * This way the user doesn't have to check the "inside" flag, -// * and we don't need to even reveal its existence. It also leaves -// * the freedom for an implementation to not generate the exterior -// * faces in the first place. -// */ -// TessMono.__gl_meshDiscardExterior(mesh); -// callMesh.mesh(mesh); /* user wants the mesh itself */ -// mesh = null; -// polygonData = null; -// return; -// } - } - Mesh.__gl_meshDeleteMesh(mesh); - polygonData = null; - mesh = null; - } catch (Exception e) { - e.printStackTrace(); - callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); - } - } - - /*******************************************************/ - -/* Obsolete calls -- for backward compatibility */ - - public void gluBeginPolygon() { - gluTessBeginPolygon(null); - gluTessBeginContour(); - } - - -/*ARGSUSED*/ - public void gluNextContour(int type) { - gluTessEndContour(); - gluTessBeginContour(); - } - - - public void gluEndPolygon() { - gluTessEndContour(); - gluTessEndPolygon(); - } - - void callBeginOrBeginData(int a) { - if (callBeginData != NULL_CB) - callBeginData.beginData(a, polygonData); - else - callBegin.begin(a); - } - - void callVertexOrVertexData(Object a) { - if (callVertexData != NULL_CB) - callVertexData.vertexData(a, polygonData); - else - callVertex.vertex(a); - } - - void callEdgeFlagOrEdgeFlagData(boolean a) { - if (callEdgeFlagData != NULL_CB) - callEdgeFlagData.edgeFlagData(a, polygonData); - else - callEdgeFlag.edgeFlag(a); - } - - void callEndOrEndData() { - if (callEndData != NULL_CB) - callEndData.endData(polygonData); - else - callEnd.end(); - } - - void callCombineOrCombineData(double[] coords, Object[] vertexData, float[] weights, Object[] outData) { - if (callCombineData != NULL_CB) - callCombineData.combineData(coords, vertexData, weights, outData, polygonData); - else - callCombine.combine(coords, vertexData, weights, outData); - } - - void callErrorOrErrorData(int a) { - if (callErrorData != NULL_CB) - callErrorData.errorData(a, polygonData); - else - callError.error(a); - } - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUvertex.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUvertex.java deleted file mode 100644 index 9c01148e8..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/GLUvertex.java +++ /dev/null @@ -1,65 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class GLUvertex { - public GLUvertex next; /* next vertex (never NULL) */ - public GLUvertex prev; /* previous vertex (never NULL) */ - public com.sun.opengl.impl.glu.tessellator.GLUhalfEdge anEdge; /* a half-edge with this origin */ - public Object data; /* client's data */ - - /* Internal data (keep hidden) */ - public double[] coords = new double[3]; /* vertex location in 3D */ - public double s, t; /* projection onto the sweep plane */ - public int pqHandle; /* to allow deletion from priority queue */ -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Geom.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Geom.java deleted file mode 100644 index 818dc663d..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Geom.java +++ /dev/null @@ -1,338 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class Geom { - private Geom() { - } - - /* Given three vertices u,v,w such that VertLeq(u,v) && VertLeq(v,w), - * evaluates the t-coord of the edge uw at the s-coord of the vertex v. - * Returns v->t - (uw)(v->s), ie. the signed distance from uw to v. - * If uw is vertical (and thus passes thru v), the result is zero. - * - * The calculation is extremely accurate and stable, even when v - * is very close to u or w. In particular if we set v->t = 0 and - * let r be the negated result (this evaluates (uw)(v->s)), then - * r is guaranteed to satisfy MIN(u->t,w->t) <= r <= MAX(u->t,w->t). - */ - static double EdgeEval(GLUvertex u, GLUvertex v, GLUvertex w) { - double gapL, gapR; - - assert (VertLeq(u, v) && VertLeq(v, w)); - - gapL = v.s - u.s; - gapR = w.s - v.s; - - if (gapL + gapR > 0) { - if (gapL < gapR) { - return (v.t - u.t) + (u.t - w.t) * (gapL / (gapL + gapR)); - } else { - return (v.t - w.t) + (w.t - u.t) * (gapR / (gapL + gapR)); - } - } - /* vertical line */ - return 0; - } - - static double EdgeSign(GLUvertex u, GLUvertex v, GLUvertex w) { - double gapL, gapR; - - assert (VertLeq(u, v) && VertLeq(v, w)); - - gapL = v.s - u.s; - gapR = w.s - v.s; - - if (gapL + gapR > 0) { - return (v.t - w.t) * gapL + (v.t - u.t) * gapR; - } - /* vertical line */ - return 0; - } - - - /*********************************************************************** - * Define versions of EdgeSign, EdgeEval with s and t transposed. - */ - - static double TransEval(GLUvertex u, GLUvertex v, GLUvertex w) { - /* Given three vertices u,v,w such that TransLeq(u,v) && TransLeq(v,w), - * evaluates the t-coord of the edge uw at the s-coord of the vertex v. - * Returns v->s - (uw)(v->t), ie. the signed distance from uw to v. - * If uw is vertical (and thus passes thru v), the result is zero. - * - * The calculation is extremely accurate and stable, even when v - * is very close to u or w. In particular if we set v->s = 0 and - * let r be the negated result (this evaluates (uw)(v->t)), then - * r is guaranteed to satisfy MIN(u->s,w->s) <= r <= MAX(u->s,w->s). - */ - double gapL, gapR; - - assert (TransLeq(u, v) && TransLeq(v, w)); - - gapL = v.t - u.t; - gapR = w.t - v.t; - - if (gapL + gapR > 0) { - if (gapL < gapR) { - return (v.s - u.s) + (u.s - w.s) * (gapL / (gapL + gapR)); - } else { - return (v.s - w.s) + (w.s - u.s) * (gapR / (gapL + gapR)); - } - } - /* vertical line */ - return 0; - } - - static double TransSign(GLUvertex u, GLUvertex v, GLUvertex w) { - /* Returns a number whose sign matches TransEval(u,v,w) but which - * is cheaper to evaluate. Returns > 0, == 0 , or < 0 - * as v is above, on, or below the edge uw. - */ - double gapL, gapR; - - assert (TransLeq(u, v) && TransLeq(v, w)); - - gapL = v.t - u.t; - gapR = w.t - v.t; - - if (gapL + gapR > 0) { - return (v.s - w.s) * gapL + (v.s - u.s) * gapR; - } - /* vertical line */ - return 0; - } - - - static boolean VertCCW(GLUvertex u, GLUvertex v, GLUvertex w) { - /* For almost-degenerate situations, the results are not reliable. - * Unless the floating-point arithmetic can be performed without - * rounding errors, *any* implementation will give incorrect results - * on some degenerate inputs, so the client must have some way to - * handle this situation. - */ - return (u.s * (v.t - w.t) + v.s * (w.t - u.t) + w.s * (u.t - v.t)) >= 0; - } - -/* Given parameters a,x,b,y returns the value (b*x+a*y)/(a+b), - * or (x+y)/2 if a==b==0. It requires that a,b >= 0, and enforces - * this in the rare case that one argument is slightly negative. - * The implementation is extremely stable numerically. - * In particular it guarantees that the result r satisfies - * MIN(x,y) <= r <= MAX(x,y), and the results are very accurate - * even when a and b differ greatly in magnitude. - */ - static double Interpolate(double a, double x, double b, double y) { - a = (a < 0) ? 0 : a; - b = (b < 0) ? 0 : b; - if (a <= b) { - if (b == 0) { - return (x + y) / 2.0; - } else { - return (x + (y - x) * (a / (a + b))); - } - } else { - return (y + (x - y) * (b / (a + b))); - } - } - - static void EdgeIntersect(GLUvertex o1, GLUvertex d1, - GLUvertex o2, GLUvertex d2, - GLUvertex v) -/* Given edges (o1,d1) and (o2,d2), compute their point of intersection. - * The computed point is guaranteed to lie in the intersection of the - * bounding rectangles defined by each edge. - */ { - double z1, z2; - - /* This is certainly not the most efficient way to find the intersection - * of two line segments, but it is very numerically stable. - * - * Strategy: find the two middle vertices in the VertLeq ordering, - * and interpolate the intersection s-value from these. Then repeat - * using the TransLeq ordering to find the intersection t-value. - */ - - if (!VertLeq(o1, d1)) { - GLUvertex temp = o1; - o1 = d1; - d1 = temp; - } - if (!VertLeq(o2, d2)) { - GLUvertex temp = o2; - o2 = d2; - d2 = temp; - } - if (!VertLeq(o1, o2)) { - GLUvertex temp = o1; - o1 = o2; - o2 = temp; - temp = d1; - d1 = d2; - d2 = temp; - } - - if (!VertLeq(o2, d1)) { - /* Technically, no intersection -- do our best */ - v.s = (o2.s + d1.s) / 2.0; - } else if (VertLeq(d1, d2)) { - /* Interpolate between o2 and d1 */ - z1 = EdgeEval(o1, o2, d1); - z2 = EdgeEval(o2, d1, d2); - if (z1 + z2 < 0) { - z1 = -z1; - z2 = -z2; - } - v.s = Interpolate(z1, o2.s, z2, d1.s); - } else { - /* Interpolate between o2 and d2 */ - z1 = EdgeSign(o1, o2, d1); - z2 = -EdgeSign(o1, d2, d1); - if (z1 + z2 < 0) { - z1 = -z1; - z2 = -z2; - } - v.s = Interpolate(z1, o2.s, z2, d2.s); - } - - /* Now repeat the process for t */ - - if (!TransLeq(o1, d1)) { - GLUvertex temp = o1; - o1 = d1; - d1 = temp; - } - if (!TransLeq(o2, d2)) { - GLUvertex temp = o2; - o2 = d2; - d2 = temp; - } - if (!TransLeq(o1, o2)) { - GLUvertex temp = o2; - o2 = o1; - o1 = temp; - temp = d2; - d2 = d1; - d1 = temp; - } - - if (!TransLeq(o2, d1)) { - /* Technically, no intersection -- do our best */ - v.t = (o2.t + d1.t) / 2.0; - } else if (TransLeq(d1, d2)) { - /* Interpolate between o2 and d1 */ - z1 = TransEval(o1, o2, d1); - z2 = TransEval(o2, d1, d2); - if (z1 + z2 < 0) { - z1 = -z1; - z2 = -z2; - } - v.t = Interpolate(z1, o2.t, z2, d1.t); - } else { - /* Interpolate between o2 and d2 */ - z1 = TransSign(o1, o2, d1); - z2 = -TransSign(o1, d2, d1); - if (z1 + z2 < 0) { - z1 = -z1; - z2 = -z2; - } - v.t = Interpolate(z1, o2.t, z2, d2.t); - } - } - - static boolean VertEq(GLUvertex u, GLUvertex v) { - return u.s == v.s && u.t == v.t; - } - - static boolean VertLeq(GLUvertex u, GLUvertex v) { - return u.s < v.s || (u.s == v.s && u.t <= v.t); - } - -/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */ - - static boolean TransLeq(GLUvertex u, GLUvertex v) { - return u.t < v.t || (u.t == v.t && u.s <= v.s); - } - - static boolean EdgeGoesLeft(GLUhalfEdge e) { - return VertLeq(e.Sym.Org, e.Org); - } - - static boolean EdgeGoesRight(GLUhalfEdge e) { - return VertLeq(e.Org, e.Sym.Org); - } - - static double VertL1dist(GLUvertex u, GLUvertex v) { - return Math.abs(u.s - v.s) + Math.abs(u.t - v.t); - } - - /***********************************************************************/ - - // Compute the cosine of the angle between the edges between o and - // v1 and between o and v2 - static double EdgeCos(GLUvertex o, GLUvertex v1, GLUvertex v2) { - double ov1s = v1.s - o.s; - double ov1t = v1.t - o.t; - double ov2s = v2.s - o.s; - double ov2t = v2.t - o.t; - double dotp = ov1s * ov2s + ov1t * ov2t; - double len = Math.sqrt(ov1s * ov1s + ov1t * ov1t) * Math.sqrt(ov2s * ov2s + ov2t * ov2t); - if (len > 0.0) { - dotp /= len; - } - return dotp; - } - - static final double EPSILON = 1.0e-5; - static final double ONE_MINUS_EPSILON = 1.0 - EPSILON; -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Mesh.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Mesh.java deleted file mode 100644 index a1e36e815..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Mesh.java +++ /dev/null @@ -1,734 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class Mesh { - private Mesh() { - } - - /************************ Utility Routines ************************/ -/* MakeEdge creates a new pair of half-edges which form their own loop. - * No vertex or face structures are allocated, but these must be assigned - * before the current edge operation is completed. - */ - static com.sun.opengl.impl.glu.tessellator.GLUhalfEdge MakeEdge(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNext) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eSym; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge ePrev; - -// EdgePair * pair = (EdgePair *) -// memAlloc(sizeof(EdgePair)); -// if (pair == NULL) return NULL; -// -// e = &pair - > e; - e = new com.sun.opengl.impl.glu.tessellator.GLUhalfEdge(true); -// eSym = &pair - > eSym; - eSym = new com.sun.opengl.impl.glu.tessellator.GLUhalfEdge(false); - - - /* Make sure eNext points to the first edge of the edge pair */ - if (!eNext.first) { - eNext = eNext.Sym; - } - - /* Insert in circular doubly-linked list before eNext. - * Note that the prev pointer is stored in Sym->next. - */ - ePrev = eNext.Sym.next; - eSym.next = ePrev; - ePrev.Sym.next = e; - e.next = eNext; - eNext.Sym.next = eSym; - - e.Sym = eSym; - e.Onext = e; - e.Lnext = eSym; - e.Org = null; - e.Lface = null; - e.winding = 0; - e.activeRegion = null; - - eSym.Sym = e; - eSym.Onext = eSym; - eSym.Lnext = e; - eSym.Org = null; - eSym.Lface = null; - eSym.winding = 0; - eSym.activeRegion = null; - - return e; - } - -/* Splice( a, b ) is best described by the Guibas/Stolfi paper or the - * CS348a notes (see mesh.h). Basically it modifies the mesh so that - * a->Onext and b->Onext are exchanged. This can have various effects - * depending on whether a and b belong to different face or vertex rings. - * For more explanation see __gl_meshSplice() below. - */ - static void Splice(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge a, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge b) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge aOnext = a.Onext; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge bOnext = b.Onext; - - aOnext.Sym.Lnext = b; - bOnext.Sym.Lnext = a; - a.Onext = bOnext; - b.Onext = aOnext; - } - -/* MakeVertex( newVertex, eOrig, vNext ) attaches a new vertex and makes it the - * origin of all edges in the vertex loop to which eOrig belongs. "vNext" gives - * a place to insert the new vertex in the global vertex list. We insert - * the new vertex *before* vNext so that algorithms which walk the vertex - * list will not see the newly created vertices. - */ - static void MakeVertex(com.sun.opengl.impl.glu.tessellator.GLUvertex newVertex, - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.sun.opengl.impl.glu.tessellator.GLUvertex vNext) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - com.sun.opengl.impl.glu.tessellator.GLUvertex vPrev; - com.sun.opengl.impl.glu.tessellator.GLUvertex vNew = newVertex; - - assert (vNew != null); - - /* insert in circular doubly-linked list before vNext */ - vPrev = vNext.prev; - vNew.prev = vPrev; - vPrev.next = vNew; - vNew.next = vNext; - vNext.prev = vNew; - - vNew.anEdge = eOrig; - vNew.data = null; - /* leave coords, s, t undefined */ - - /* fix other edges on this vertex loop */ - e = eOrig; - do { - e.Org = vNew; - e = e.Onext; - } while (e != eOrig); - } - -/* MakeFace( newFace, eOrig, fNext ) attaches a new face and makes it the left - * face of all edges in the face loop to which eOrig belongs. "fNext" gives - * a place to insert the new face in the global face list. We insert - * the new face *before* fNext so that algorithms which walk the face - * list will not see the newly created faces. - */ - static void MakeFace(com.sun.opengl.impl.glu.tessellator.GLUface newFace, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.sun.opengl.impl.glu.tessellator.GLUface fNext) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - com.sun.opengl.impl.glu.tessellator.GLUface fPrev; - com.sun.opengl.impl.glu.tessellator.GLUface fNew = newFace; - - assert (fNew != null); - - /* insert in circular doubly-linked list before fNext */ - fPrev = fNext.prev; - fNew.prev = fPrev; - fPrev.next = fNew; - fNew.next = fNext; - fNext.prev = fNew; - - fNew.anEdge = eOrig; - fNew.data = null; - fNew.trail = null; - fNew.marked = false; - - /* The new face is marked "inside" if the old one was. This is a - * convenience for the common case where a face has been split in two. - */ - fNew.inside = fNext.inside; - - /* fix other edges on this face loop */ - e = eOrig; - do { - e.Lface = fNew; - e = e.Lnext; - } while (e != eOrig); - } - -/* KillEdge( eDel ) destroys an edge (the half-edges eDel and eDel->Sym), - * and removes from the global edge list. - */ - static void KillEdge(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge ePrev, eNext; - - /* Half-edges are allocated in pairs, see EdgePair above */ - if (!eDel.first) { - eDel = eDel.Sym; - } - - /* delete from circular doubly-linked list */ - eNext = eDel.next; - ePrev = eDel.Sym.next; - eNext.Sym.next = ePrev; - ePrev.Sym.next = eNext; - } - - -/* KillVertex( vDel ) destroys a vertex and removes it from the global - * vertex list. It updates the vertex loop to point to a given new vertex. - */ - static void KillVertex(com.sun.opengl.impl.glu.tessellator.GLUvertex vDel, com.sun.opengl.impl.glu.tessellator.GLUvertex newOrg) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = vDel.anEdge; - com.sun.opengl.impl.glu.tessellator.GLUvertex vPrev, vNext; - - /* change the origin of all affected edges */ - e = eStart; - do { - e.Org = newOrg; - e = e.Onext; - } while (e != eStart); - - /* delete from circular doubly-linked list */ - vPrev = vDel.prev; - vNext = vDel.next; - vNext.prev = vPrev; - vPrev.next = vNext; - } - -/* KillFace( fDel ) destroys a face and removes it from the global face - * list. It updates the face loop to point to a given new face. - */ - static void KillFace(com.sun.opengl.impl.glu.tessellator.GLUface fDel, com.sun.opengl.impl.glu.tessellator.GLUface newLface) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = fDel.anEdge; - com.sun.opengl.impl.glu.tessellator.GLUface fPrev, fNext; - - /* change the left face of all affected edges */ - e = eStart; - do { - e.Lface = newLface; - e = e.Lnext; - } while (e != eStart); - - /* delete from circular doubly-linked list */ - fPrev = fDel.prev; - fNext = fDel.next; - fNext.prev = fPrev; - fPrev.next = fNext; - } - - - /****************** Basic Edge Operations **********************/ - -/* __gl_meshMakeEdge creates one edge, two vertices, and a loop (face). - * The loop consists of the two new half-edges. - */ - public static com.sun.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshMakeEdge(com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUvertex newVertex1 = new com.sun.opengl.impl.glu.tessellator.GLUvertex(); - com.sun.opengl.impl.glu.tessellator.GLUvertex newVertex2 = new com.sun.opengl.impl.glu.tessellator.GLUvertex(); - com.sun.opengl.impl.glu.tessellator.GLUface newFace = new com.sun.opengl.impl.glu.tessellator.GLUface(); - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - - e = MakeEdge(mesh.eHead); - if (e == null) return null; - - MakeVertex(newVertex1, e, mesh.vHead); - MakeVertex(newVertex2, e.Sym, mesh.vHead); - MakeFace(newFace, e, mesh.fHead); - return e; - } - - -/* __gl_meshSplice( eOrg, eDst ) is the basic operation for changing the - * mesh connectivity and topology. It changes the mesh so that - * eOrg->Onext <- OLD( eDst->Onext ) - * eDst->Onext <- OLD( eOrg->Onext ) - * where OLD(...) means the value before the meshSplice operation. - * - * This can have two effects on the vertex structure: - * - if eOrg->Org != eDst->Org, the two vertices are merged together - * - if eOrg->Org == eDst->Org, the origin is split into two vertices - * In both cases, eDst->Org is changed and eOrg->Org is untouched. - * - * Similarly (and independently) for the face structure, - * - if eOrg->Lface == eDst->Lface, one loop is split into two - * - if eOrg->Lface != eDst->Lface, two distinct loops are joined into one - * In both cases, eDst->Lface is changed and eOrg->Lface is unaffected. - * - * Some special cases: - * If eDst == eOrg, the operation has no effect. - * If eDst == eOrg->Lnext, the new face will have a single edge. - * If eDst == eOrg->Lprev, the old face will have a single edge. - * If eDst == eOrg->Onext, the new vertex will have a single edge. - * If eDst == eOrg->Oprev, the old vertex will have a single edge. - */ - public static boolean __gl_meshSplice(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { - boolean joiningLoops = false; - boolean joiningVertices = false; - - if (eOrg == eDst) return true; - - if (eDst.Org != eOrg.Org) { - /* We are merging two disjoint vertices -- destroy eDst->Org */ - joiningVertices = true; - KillVertex(eDst.Org, eOrg.Org); - } - if (eDst.Lface != eOrg.Lface) { - /* We are connecting two disjoint loops -- destroy eDst.Lface */ - joiningLoops = true; - KillFace(eDst.Lface, eOrg.Lface); - } - - /* Change the edge structure */ - Splice(eDst, eOrg); - - if (!joiningVertices) { - com.sun.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.sun.opengl.impl.glu.tessellator.GLUvertex(); - - /* We split one vertex into two -- the new vertex is eDst.Org. - * Make sure the old vertex points to a valid half-edge. - */ - MakeVertex(newVertex, eDst, eOrg.Org); - eOrg.Org.anEdge = eOrg; - } - if (!joiningLoops) { - com.sun.opengl.impl.glu.tessellator.GLUface newFace = new com.sun.opengl.impl.glu.tessellator.GLUface(); - - /* We split one loop into two -- the new loop is eDst.Lface. - * Make sure the old face points to a valid half-edge. - */ - MakeFace(newFace, eDst, eOrg.Lface); - eOrg.Lface.anEdge = eOrg; - } - - return true; - } - - -/* __gl_meshDelete( eDel ) removes the edge eDel. There are several cases: - * if (eDel.Lface != eDel.Rface), we join two loops into one; the loop - * eDel.Lface is deleted. Otherwise, we are splitting one loop into two; - * the newly created loop will contain eDel.Dst. If the deletion of eDel - * would create isolated vertices, those are deleted as well. - * - * This function could be implemented as two calls to __gl_meshSplice - * plus a few calls to memFree, but this would allocate and delete - * unnecessary vertices and faces. - */ - static boolean __gl_meshDelete(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eDelSym = eDel.Sym; - boolean joiningLoops = false; - - /* First step: disconnect the origin vertex eDel.Org. We make all - * changes to get a consistent mesh in this "intermediate" state. - */ - if (eDel.Lface != eDel.Sym.Lface) { - /* We are joining two loops into one -- remove the left face */ - joiningLoops = true; - KillFace(eDel.Lface, eDel.Sym.Lface); - } - - if (eDel.Onext == eDel) { - KillVertex(eDel.Org, null); - } else { - /* Make sure that eDel.Org and eDel.Sym.Lface point to valid half-edges */ - eDel.Sym.Lface.anEdge = eDel.Sym.Lnext; - eDel.Org.anEdge = eDel.Onext; - - Splice(eDel, eDel.Sym.Lnext); - if (!joiningLoops) { - com.sun.opengl.impl.glu.tessellator.GLUface newFace = new com.sun.opengl.impl.glu.tessellator.GLUface(); - - /* We are splitting one loop into two -- create a new loop for eDel. */ - MakeFace(newFace, eDel, eDel.Lface); - } - } - - /* Claim: the mesh is now in a consistent state, except that eDel.Org - * may have been deleted. Now we disconnect eDel.Dst. - */ - if (eDelSym.Onext == eDelSym) { - KillVertex(eDelSym.Org, null); - KillFace(eDelSym.Lface, null); - } else { - /* Make sure that eDel.Dst and eDel.Lface point to valid half-edges */ - eDel.Lface.anEdge = eDelSym.Sym.Lnext; - eDelSym.Org.anEdge = eDelSym.Onext; - Splice(eDelSym, eDelSym.Sym.Lnext); - } - - /* Any isolated vertices or faces have already been freed. */ - KillEdge(eDel); - - return true; - } - - - /******************** Other Edge Operations **********************/ - -/* All these routines can be implemented with the basic edge - * operations above. They are provided for convenience and efficiency. - */ - - -/* __gl_meshAddEdgeVertex( eOrg ) creates a new edge eNew such that - * eNew == eOrg.Lnext, and eNew.Dst is a newly created vertex. - * eOrg and eNew will have the same left face. - */ - static com.sun.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshAddEdgeVertex(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); - - eNewSym = eNew.Sym; - - /* Connect the new edge appropriately */ - Splice(eNew, eOrg.Lnext); - - /* Set the vertex and face information */ - eNew.Org = eOrg.Sym.Org; - { - com.sun.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.sun.opengl.impl.glu.tessellator.GLUvertex(); - - MakeVertex(newVertex, eNewSym, eNew.Org); - } - eNew.Lface = eNewSym.Lface = eOrg.Lface; - - return eNew; - } - - -/* __gl_meshSplitEdge( eOrg ) splits eOrg into two edges eOrg and eNew, - * such that eNew == eOrg.Lnext. The new vertex is eOrg.Sym.Org == eNew.Org. - * eOrg and eNew will have the same left face. - */ - public static com.sun.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshSplitEdge(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNew; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge tempHalfEdge = __gl_meshAddEdgeVertex(eOrg); - - eNew = tempHalfEdge.Sym; - - /* Disconnect eOrg from eOrg.Sym.Org and connect it to eNew.Org */ - Splice(eOrg.Sym, eOrg.Sym.Sym.Lnext); - Splice(eOrg.Sym, eNew); - - /* Set the vertex and face information */ - eOrg.Sym.Org = eNew.Org; - eNew.Sym.Org.anEdge = eNew.Sym; /* may have pointed to eOrg.Sym */ - eNew.Sym.Lface = eOrg.Sym.Lface; - eNew.winding = eOrg.winding; /* copy old winding information */ - eNew.Sym.winding = eOrg.Sym.winding; - - return eNew; - } - - -/* __gl_meshConnect( eOrg, eDst ) creates a new edge from eOrg.Sym.Org - * to eDst.Org, and returns the corresponding half-edge eNew. - * If eOrg.Lface == eDst.Lface, this splits one loop into two, - * and the newly created loop is eNew.Lface. Otherwise, two disjoint - * loops are merged into one, and the loop eDst.Lface is destroyed. - * - * If (eOrg == eDst), the new face will have only two edges. - * If (eOrg.Lnext == eDst), the old face is reduced to a single edge. - * If (eOrg.Lnext.Lnext == eDst), the old face is reduced to two edges. - */ - static com.sun.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshConnect(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; - boolean joiningLoops = false; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); - - eNewSym = eNew.Sym; - - if (eDst.Lface != eOrg.Lface) { - /* We are connecting two disjoint loops -- destroy eDst.Lface */ - joiningLoops = true; - KillFace(eDst.Lface, eOrg.Lface); - } - - /* Connect the new edge appropriately */ - Splice(eNew, eOrg.Lnext); - Splice(eNewSym, eDst); - - /* Set the vertex and face information */ - eNew.Org = eOrg.Sym.Org; - eNewSym.Org = eDst.Org; - eNew.Lface = eNewSym.Lface = eOrg.Lface; - - /* Make sure the old face points to a valid half-edge */ - eOrg.Lface.anEdge = eNewSym; - - if (!joiningLoops) { - com.sun.opengl.impl.glu.tessellator.GLUface newFace = new com.sun.opengl.impl.glu.tessellator.GLUface(); - - /* We split one loop into two -- the new loop is eNew.Lface */ - MakeFace(newFace, eNew, eOrg.Lface); - } - return eNew; - } - - - /******************** Other Operations **********************/ - -/* __gl_meshZapFace( fZap ) destroys a face and removes it from the - * global face list. All edges of fZap will have a null pointer as their - * left face. Any edges which also have a null pointer as their right face - * are deleted entirely (along with any isolated vertices this produces). - * An entire mesh can be deleted by zapping its faces, one at a time, - * in any order. Zapped faces cannot be used in further mesh operations! - */ - static void __gl_meshZapFace(com.sun.opengl.impl.glu.tessellator.GLUface fZap) { - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eStart = fZap.anEdge; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext, eSym; - com.sun.opengl.impl.glu.tessellator.GLUface fPrev, fNext; - - /* walk around face, deleting edges whose right face is also null */ - eNext = eStart.Lnext; - do { - e = eNext; - eNext = e.Lnext; - - e.Lface = null; - if (e.Sym.Lface == null) { - /* delete the edge -- see __gl_MeshDelete above */ - - if (e.Onext == e) { - KillVertex(e.Org, null); - } else { - /* Make sure that e.Org points to a valid half-edge */ - e.Org.anEdge = e.Onext; - Splice(e, e.Sym.Lnext); - } - eSym = e.Sym; - if (eSym.Onext == eSym) { - KillVertex(eSym.Org, null); - } else { - /* Make sure that eSym.Org points to a valid half-edge */ - eSym.Org.anEdge = eSym.Onext; - Splice(eSym, eSym.Sym.Lnext); - } - KillEdge(e); - } - } while (e != eStart); - - /* delete from circular doubly-linked list */ - fPrev = fZap.prev; - fNext = fZap.next; - fNext.prev = fPrev; - fPrev.next = fNext; - } - - -/* __gl_meshNewMesh() creates a new mesh with no edges, no vertices, - * and no loops (what we usually call a "face"). - */ - public static com.sun.opengl.impl.glu.tessellator.GLUmesh __gl_meshNewMesh() { - com.sun.opengl.impl.glu.tessellator.GLUvertex v; - com.sun.opengl.impl.glu.tessellator.GLUface f; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eSym; - com.sun.opengl.impl.glu.tessellator.GLUmesh mesh = new com.sun.opengl.impl.glu.tessellator.GLUmesh(); - - v = mesh.vHead; - f = mesh.fHead; - e = mesh.eHead; - eSym = mesh.eHeadSym; - - v.next = v.prev = v; - v.anEdge = null; - v.data = null; - - f.next = f.prev = f; - f.anEdge = null; - f.data = null; - f.trail = null; - f.marked = false; - f.inside = false; - - e.next = e; - e.Sym = eSym; - e.Onext = null; - e.Lnext = null; - e.Org = null; - e.Lface = null; - e.winding = 0; - e.activeRegion = null; - - eSym.next = eSym; - eSym.Sym = e; - eSym.Onext = null; - eSym.Lnext = null; - eSym.Org = null; - eSym.Lface = null; - eSym.winding = 0; - eSym.activeRegion = null; - - return mesh; - } - - -/* __gl_meshUnion( mesh1, mesh2 ) forms the union of all structures in - * both meshes, and returns the new mesh (the old meshes are destroyed). - */ - static com.sun.opengl.impl.glu.tessellator.GLUmesh __gl_meshUnion(com.sun.opengl.impl.glu.tessellator.GLUmesh mesh1, com.sun.opengl.impl.glu.tessellator.GLUmesh mesh2) { - com.sun.opengl.impl.glu.tessellator.GLUface f1 = mesh1.fHead; - com.sun.opengl.impl.glu.tessellator.GLUvertex v1 = mesh1.vHead; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e1 = mesh1.eHead; - com.sun.opengl.impl.glu.tessellator.GLUface f2 = mesh2.fHead; - com.sun.opengl.impl.glu.tessellator.GLUvertex v2 = mesh2.vHead; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e2 = mesh2.eHead; - - /* Add the faces, vertices, and edges of mesh2 to those of mesh1 */ - if (f2.next != f2) { - f1.prev.next = f2.next; - f2.next.prev = f1.prev; - f2.prev.next = f1; - f1.prev = f2.prev; - } - - if (v2.next != v2) { - v1.prev.next = v2.next; - v2.next.prev = v1.prev; - v2.prev.next = v1; - v1.prev = v2.prev; - } - - if (e2.next != e2) { - e1.Sym.next.Sym.next = e2.next; - e2.next.Sym.next = e1.Sym.next; - e2.Sym.next.Sym.next = e1; - e1.Sym.next = e2.Sym.next; - } - - return mesh1; - } - - -/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. - */ - static void __gl_meshDeleteMeshZap(com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; - - while (fHead.next != fHead) { - __gl_meshZapFace(fHead.next); - } - assert (mesh.vHead.next == mesh.vHead); - } - -/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. - */ - public static void __gl_meshDeleteMesh(com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUface f, fNext; - com.sun.opengl.impl.glu.tessellator.GLUvertex v, vNext; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext; - - for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { - fNext = f.next; - } - - for (v = mesh.vHead.next; v != mesh.vHead; v = vNext) { - vNext = v.next; - } - - for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { - /* One call frees both e and e.Sym (see EdgePair above) */ - eNext = e.next; - } - } - -/* __gl_meshCheckMesh( mesh ) checks a mesh for self-consistency. - */ - public static void __gl_meshCheckMesh(com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; - com.sun.opengl.impl.glu.tessellator.GLUvertex vHead = mesh.vHead; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eHead = mesh.eHead; - com.sun.opengl.impl.glu.tessellator.GLUface f, fPrev; - com.sun.opengl.impl.glu.tessellator.GLUvertex v, vPrev; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, ePrev; - - fPrev = fHead; - for (fPrev = fHead; (f = fPrev.next) != fHead; fPrev = f) { - assert (f.prev == fPrev); - e = f.anEdge; - do { - assert (e.Sym != e); - assert (e.Sym.Sym == e); - assert (e.Lnext.Onext.Sym == e); - assert (e.Onext.Sym.Lnext == e); - assert (e.Lface == f); - e = e.Lnext; - } while (e != f.anEdge); - } - assert (f.prev == fPrev && f.anEdge == null && f.data == null); - - vPrev = vHead; - for (vPrev = vHead; (v = vPrev.next) != vHead; vPrev = v) { - assert (v.prev == vPrev); - e = v.anEdge; - do { - assert (e.Sym != e); - assert (e.Sym.Sym == e); - assert (e.Lnext.Onext.Sym == e); - assert (e.Onext.Sym.Lnext == e); - assert (e.Org == v); - e = e.Onext; - } while (e != v.anEdge); - } - assert (v.prev == vPrev && v.anEdge == null && v.data == null); - - ePrev = eHead; - for (ePrev = eHead; (e = ePrev.next) != eHead; ePrev = e) { - assert (e.Sym.next == ePrev.Sym); - assert (e.Sym != e); - assert (e.Sym.Sym == e); - assert (e.Org != null); - assert (e.Sym.Org != null); - assert (e.Lnext.Onext.Sym == e); - assert (e.Onext.Sym.Lnext == e); - } - assert (e.Sym.next == ePrev.Sym - && e.Sym == mesh.eHeadSym - && e.Sym.Sym == e - && e.Org == null && e.Sym.Org == null - && e.Lface == null && e.Sym.Lface == null); - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Normal.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Normal.java deleted file mode 100644 index cf6239de1..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Normal.java +++ /dev/null @@ -1,288 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -import javax.media.opengl.*; -import javax.media.opengl.glu.*; - -class Normal { - private Normal() { - } - - static boolean SLANTED_SWEEP = false; - static double S_UNIT_X; /* Pre-normalized */ - static double S_UNIT_Y; - private static final boolean TRUE_PROJECT = false; - - static { - if (SLANTED_SWEEP) { -/* The "feature merging" is not intended to be complete. There are - * special cases where edges are nearly parallel to the sweep line - * which are not implemented. The algorithm should still behave - * robustly (ie. produce a reasonable tesselation) in the presence - * of such edges, however it may miss features which could have been - * merged. We could minimize this effect by choosing the sweep line - * direction to be something unusual (ie. not parallel to one of the - * coordinate axes). - */ - S_UNIT_X = 0.50941539564955385; /* Pre-normalized */ - S_UNIT_Y = 0.86052074622010633; - } else { - S_UNIT_X = 1.0; - S_UNIT_Y = 0.0; - } - } - - private static double Dot(double[] u, double[] v) { - return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2]); - } - - static void Normalize(double[] v) { - double len = v[0] * v[0] + v[1] * v[1] + v[2] * v[2]; - - assert (len > 0); - len = Math.sqrt(len); - v[0] /= len; - v[1] /= len; - v[2] /= len; - } - - static int LongAxis(double[] v) { - int i = 0; - - if (Math.abs(v[1]) > Math.abs(v[0])) { - i = 1; - } - if (Math.abs(v[2]) > Math.abs(v[i])) { - i = 2; - } - return i; - } - - static void ComputeNormal(GLUtessellatorImpl tess, double[] norm) { - com.sun.opengl.impl.glu.tessellator.GLUvertex v, v1, v2; - double c, tLen2, maxLen2; - double[] maxVal, minVal, d1, d2, tNorm; - com.sun.opengl.impl.glu.tessellator.GLUvertex[] maxVert, minVert; - com.sun.opengl.impl.glu.tessellator.GLUvertex vHead = tess.mesh.vHead; - int i; - - maxVal = new double[3]; - minVal = new double[3]; - minVert = new com.sun.opengl.impl.glu.tessellator.GLUvertex[3]; - maxVert = new com.sun.opengl.impl.glu.tessellator.GLUvertex[3]; - d1 = new double[3]; - d2 = new double[3]; - tNorm = new double[3]; - - maxVal[0] = maxVal[1] = maxVal[2] = -2 * GLU.GLU_TESS_MAX_COORD; - minVal[0] = minVal[1] = minVal[2] = 2 * GLU.GLU_TESS_MAX_COORD; - - for (v = vHead.next; v != vHead; v = v.next) { - for (i = 0; i < 3; ++i) { - c = v.coords[i]; - if (c < minVal[i]) { - minVal[i] = c; - minVert[i] = v; - } - if (c > maxVal[i]) { - maxVal[i] = c; - maxVert[i] = v; - } - } - } - -/* Find two vertices separated by at least 1/sqrt(3) of the maximum - * distance between any two vertices - */ - i = 0; - if (maxVal[1] - minVal[1] > maxVal[0] - minVal[0]) { - i = 1; - } - if (maxVal[2] - minVal[2] > maxVal[i] - minVal[i]) { - i = 2; - } - if (minVal[i] >= maxVal[i]) { -/* All vertices are the same -- normal doesn't matter */ - norm[0] = 0; - norm[1] = 0; - norm[2] = 1; - return; - } - -/* Look for a third vertex which forms the triangle with maximum area - * (Length of normal == twice the triangle area) - */ - maxLen2 = 0; - v1 = minVert[i]; - v2 = maxVert[i]; - d1[0] = v1.coords[0] - v2.coords[0]; - d1[1] = v1.coords[1] - v2.coords[1]; - d1[2] = v1.coords[2] - v2.coords[2]; - for (v = vHead.next; v != vHead; v = v.next) { - d2[0] = v.coords[0] - v2.coords[0]; - d2[1] = v.coords[1] - v2.coords[1]; - d2[2] = v.coords[2] - v2.coords[2]; - tNorm[0] = d1[1] * d2[2] - d1[2] * d2[1]; - tNorm[1] = d1[2] * d2[0] - d1[0] * d2[2]; - tNorm[2] = d1[0] * d2[1] - d1[1] * d2[0]; - tLen2 = tNorm[0] * tNorm[0] + tNorm[1] * tNorm[1] + tNorm[2] * tNorm[2]; - if (tLen2 > maxLen2) { - maxLen2 = tLen2; - norm[0] = tNorm[0]; - norm[1] = tNorm[1]; - norm[2] = tNorm[2]; - } - } - - if (maxLen2 <= 0) { -/* All points lie on a single line -- any decent normal will do */ - norm[0] = norm[1] = norm[2] = 0; - norm[LongAxis(d1)] = 1; - } - } - - static void CheckOrientation(GLUtessellatorImpl tess) { - double area; - com.sun.opengl.impl.glu.tessellator.GLUface f, fHead = tess.mesh.fHead; - com.sun.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - -/* When we compute the normal automatically, we choose the orientation - * so that the the sum of the signed areas of all contours is non-negative. - */ - area = 0; - for (f = fHead.next; f != fHead; f = f.next) { - e = f.anEdge; - if (e.winding <= 0) continue; - do { - area += (e.Org.s - e.Sym.Org.s) * (e.Org.t + e.Sym.Org.t); - e = e.Lnext; - } while (e != f.anEdge); - } - if (area < 0) { -/* Reverse the orientation by flipping all the t-coordinates */ - for (v = vHead.next; v != vHead; v = v.next) { - v.t = -v.t; - } - tess.tUnit[0] = -tess.tUnit[0]; - tess.tUnit[1] = -tess.tUnit[1]; - tess.tUnit[2] = -tess.tUnit[2]; - } - } - -/* Determine the polygon normal and project vertices onto the plane - * of the polygon. - */ - public static void __gl_projectPolygon(GLUtessellatorImpl tess) { - com.sun.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; - double w; - double[] norm = new double[3]; - double[] sUnit, tUnit; - int i; - boolean computedNormal = false; - - norm[0] = tess.normal[0]; - norm[1] = tess.normal[1]; - norm[2] = tess.normal[2]; - if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { - ComputeNormal(tess, norm); - computedNormal = true; - } - sUnit = tess.sUnit; - tUnit = tess.tUnit; - i = LongAxis(norm); - - if (TRUE_PROJECT) { -/* Choose the initial sUnit vector to be approximately perpendicular - * to the normal. - */ - Normalize(norm); - - sUnit[i] = 0; - sUnit[(i + 1) % 3] = S_UNIT_X; - sUnit[(i + 2) % 3] = S_UNIT_Y; - -/* Now make it exactly perpendicular */ - w = Dot(sUnit, norm); - sUnit[0] -= w * norm[0]; - sUnit[1] -= w * norm[1]; - sUnit[2] -= w * norm[2]; - Normalize(sUnit); - -/* Choose tUnit so that (sUnit,tUnit,norm) form a right-handed frame */ - tUnit[0] = norm[1] * sUnit[2] - norm[2] * sUnit[1]; - tUnit[1] = norm[2] * sUnit[0] - norm[0] * sUnit[2]; - tUnit[2] = norm[0] * sUnit[1] - norm[1] * sUnit[0]; - Normalize(tUnit); - } else { -/* Project perpendicular to a coordinate axis -- better numerically */ - sUnit[i] = 0; - sUnit[(i + 1) % 3] = S_UNIT_X; - sUnit[(i + 2) % 3] = S_UNIT_Y; - - tUnit[i] = 0; - tUnit[(i + 1) % 3] = (norm[i] > 0) ? -S_UNIT_Y : S_UNIT_Y; - tUnit[(i + 2) % 3] = (norm[i] > 0) ? S_UNIT_X : -S_UNIT_X; - } - -/* Project the vertices onto the sweep plane */ - for (v = vHead.next; v != vHead; v = v.next) { - v.s = Dot(v.coords, sUnit); - v.t = Dot(v.coords, tUnit); - } - if (computedNormal) { - CheckOrientation(tess); - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQ.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQ.java deleted file mode 100644 index 83914c193..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQ.java +++ /dev/null @@ -1,100 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -abstract class PriorityQ { - public static final int INIT_SIZE = 32; - - public static class PQnode { - int handle; - } - - public static class PQhandleElem { - Object key; - int node; - } - - public static interface Leq { - boolean leq(Object key1, Object key2); - } - - // #ifdef FOR_TRITE_TEST_PROGRAM -// private static boolean LEQ(PriorityQCommon.Leq leq, Object x,Object y) { -// return pq.leq.leq(x,y); -// } -// #else -/* Violates modularity, but a little faster */ -// #include "geom.h" - public static boolean LEQ(Leq leq, Object x, Object y) { - return com.sun.opengl.impl.glu.tessellator.Geom.VertLeq((com.sun.opengl.impl.glu.tessellator.GLUvertex) x, (com.sun.opengl.impl.glu.tessellator.GLUvertex) y); - } - - static PriorityQ pqNewPriorityQ(Leq leq) { - return new PriorityQSort(leq); - } - - abstract void pqDeletePriorityQ(); - - abstract boolean pqInit(); - - abstract int pqInsert(Object keyNew); - - abstract Object pqExtractMin(); - - abstract void pqDelete(int hCurr); - - abstract Object pqMinimum(); - - abstract boolean pqIsEmpty(); -// #endif -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQHeap.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQHeap.java deleted file mode 100644 index 7eec10699..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQHeap.java +++ /dev/null @@ -1,262 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class PriorityQHeap extends com.sun.opengl.impl.glu.tessellator.PriorityQ { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] handles; - int size, max; - int freeList; - boolean initialized; - com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq; - -/* really __gl_pqHeapNewPriorityQ */ - public PriorityQHeap(com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { - size = 0; - max = com.sun.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; - nodes = new com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[com.sun.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; - for (int i = 0; i < nodes.length; i++) { - nodes[i] = new PQnode(); - } - handles = new com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[com.sun.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; - for (int i = 0; i < handles.length; i++) { - handles[i] = new PQhandleElem(); - } - initialized = false; - freeList = 0; - this.leq = leq; - - nodes[1].handle = 1; /* so that Minimum() returns NULL */ - handles[1].key = null; - } - -/* really __gl_pqHeapDeletePriorityQ */ - void pqDeletePriorityQ() { - handles = null; - nodes = null; - } - - void FloatDown(int curr) { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; - int hCurr, hChild; - int child; - - hCurr = n[curr].handle; - for (; ;) { - child = curr << 1; - if (child < size && LEQ(leq, h[n[child + 1].handle].key, - h[n[child].handle].key)) { - ++child; - } - - assert (child <= max); - - hChild = n[child].handle; - if (child > size || LEQ(leq, h[hCurr].key, h[hChild].key)) { - n[curr].handle = hCurr; - h[hCurr].node = curr; - break; - } - n[curr].handle = hChild; - h[hChild].node = curr; - curr = child; - } - } - - - void FloatUp(int curr) { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; - int hCurr, hParent; - int parent; - - hCurr = n[curr].handle; - for (; ;) { - parent = curr >> 1; - hParent = n[parent].handle; - if (parent == 0 || LEQ(leq, h[hParent].key, h[hCurr].key)) { - n[curr].handle = hCurr; - h[hCurr].node = curr; - break; - } - n[curr].handle = hParent; - h[hParent].node = curr; - curr = parent; - } - } - -/* really __gl_pqHeapInit */ - boolean pqInit() { - int i; - - /* This method of building a heap is O(n), rather than O(n lg n). */ - - for (i = size; i >= 1; --i) { - FloatDown(i); - } - initialized = true; - - return true; - } - -/* really __gl_pqHeapInsert */ -/* returns LONG_MAX iff out of memory */ - int pqInsert(Object keyNew) { - int curr; - int free; - - curr = ++size; - if ((curr * 2) > max) { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] saveNodes = nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] saveHandles = handles; - - /* If the heap overflows, double its size. */ - max <<= 1; -// pq->nodes = (PQnode *)memRealloc( pq->nodes, (size_t) ((pq->max + 1) * sizeof( pq->nodes[0] ))); - PriorityQ.PQnode[] pqNodes = new PriorityQ.PQnode[max + 1]; - System.arraycopy( nodes, 0, pqNodes, 0, nodes.length ); - for (int i = nodes.length; i < pqNodes.length; i++) { - pqNodes[i] = new PQnode(); - } - nodes = pqNodes; - if (nodes == null) { - nodes = saveNodes; /* restore ptr to free upon return */ - return Integer.MAX_VALUE; - } - -// pq->handles = (PQhandleElem *)memRealloc( pq->handles,(size_t)((pq->max + 1) * sizeof( pq->handles[0] ))); - PriorityQ.PQhandleElem[] pqHandles = new PriorityQ.PQhandleElem[max + 1]; - System.arraycopy( handles, 0, pqHandles, 0, handles.length ); - for (int i = handles.length; i < pqHandles.length; i++) { - pqHandles[i] = new PQhandleElem(); - } - handles = pqHandles; - if (handles == null) { - handles = saveHandles; /* restore ptr to free upon return */ - return Integer.MAX_VALUE; - } - } - - if (freeList == 0) { - free = curr; - } else { - free = freeList; - freeList = handles[free].node; - } - - nodes[curr].handle = free; - handles[free].node = curr; - handles[free].key = keyNew; - - if (initialized) { - FloatUp(curr); - } - assert (free != Integer.MAX_VALUE); - return free; - } - -/* really __gl_pqHeapExtractMin */ - Object pqExtractMin() { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; - int hMin = n[1].handle; - Object min = h[hMin].key; - - if (size > 0) { - n[1].handle = n[size].handle; - h[n[1].handle].node = 1; - - h[hMin].key = null; - h[hMin].node = freeList; - freeList = hMin; - - if (--size > 0) { - FloatDown(1); - } - } - return min; - } - -/* really __gl_pqHeapDelete */ - void pqDelete(int hCurr) { - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; - com.sun.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; - int curr; - - assert (hCurr >= 1 && hCurr <= max && h[hCurr].key != null); - - curr = h[hCurr].node; - n[curr].handle = n[size].handle; - h[n[curr].handle].node = curr; - - if (curr <= --size) { - if (curr <= 1 || LEQ(leq, h[n[curr >> 1].handle].key, h[n[curr].handle].key)) { - FloatDown(curr); - } else { - FloatUp(curr); - } - } - h[hCurr].key = null; - h[hCurr].node = freeList; - freeList = hCurr; - } - - Object pqMinimum() { - return handles[nodes[1].handle].key; - } - - boolean pqIsEmpty() { - return size == 0; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQSort.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQSort.java deleted file mode 100644 index 0b22e55d9..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/PriorityQSort.java +++ /dev/null @@ -1,278 +0,0 @@ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class PriorityQSort extends com.sun.opengl.impl.glu.tessellator.PriorityQ { - com.sun.opengl.impl.glu.tessellator.PriorityQHeap heap; - Object[] keys; - - // JAVA: 'order' contains indices into the keys array. - // This simulates the indirect pointers used in the original C code - // (from Frank Suykens, Luciad.com). - int[] order; - int size, max; - boolean initialized; - com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq; - - public PriorityQSort(com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { - heap = new com.sun.opengl.impl.glu.tessellator.PriorityQHeap(leq); - - keys = new Object[com.sun.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE]; - - size = 0; - max = com.sun.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; - initialized = false; - this.leq = leq; - } - -/* really __gl_pqSortDeletePriorityQ */ - void pqDeletePriorityQ() { - if (heap != null) heap.pqDeletePriorityQ(); - order = null; - keys = null; - } - - private static boolean LT(com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { - return (!com.sun.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, y, x)); - } - - private static boolean GT(com.sun.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { - return (!com.sun.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, x, y)); - } - - private static void Swap(int[] array, int a, int b) { - if (true) { - int tmp = array[a]; - array[a] = array[b]; - array[b] = tmp; - } else { - - } - } - - private static class Stack { - int p, r; - } - -/* really __gl_pqSortInit */ - boolean pqInit() { - int p, r, i, j; - int piv; - Stack[] stack = new Stack[50]; - for (int k = 0; k < stack.length; k++) { - stack[k] = new Stack(); - } - int top = 0; - - int seed = 2016473283; - - /* Create an array of indirect pointers to the keys, so that we - * the handles we have returned are still valid. - */ - order = new int[size + 1]; -/* the previous line is a patch to compensate for the fact that IBM */ -/* machines return a null on a malloc of zero bytes (unlike SGI), */ -/* so we have to put in this defense to guard against a memory */ -/* fault four lines down. from fossum@austin.ibm.com. */ - p = 0; - r = size - 1; - for (piv = 0, i = p; i <= r; ++piv, ++i) { - // indirect pointers: keep an index into the keys array, not a direct pointer to its contents - order[i] = piv; - } - - /* Sort the indirect pointers in descending order, - * using randomized Quicksort - */ - stack[top].p = p; - stack[top].r = r; - ++top; - while (--top >= 0) { - p = stack[top].p; - r = stack[top].r; - while (r > p + 10) { - seed = Math.abs( seed * 1539415821 + 1 ); - i = p + seed % (r - p + 1); - piv = order[i]; - order[i] = order[p]; - order[p] = piv; - i = p - 1; - j = r + 1; - do { - do { - ++i; - } while (GT(leq, keys[order[i]], keys[piv])); - do { - --j; - } while (LT(leq, keys[order[j]], keys[piv])); - Swap(order, i, j); - } while (i < j); - Swap(order, i, j); /* Undo last swap */ - if (i - p < r - j) { - stack[top].p = j + 1; - stack[top].r = r; - ++top; - r = i - 1; - } else { - stack[top].p = p; - stack[top].r = i - 1; - ++top; - p = j + 1; - } - } - /* Insertion sort small lists */ - for (i = p + 1; i <= r; ++i) { - piv = order[i]; - for (j = i; j > p && LT(leq, keys[order[j - 1]], keys[piv]); --j) { - order[j] = order[j - 1]; - } - order[j] = piv; - } - } - max = size; - initialized = true; - heap.pqInit(); /* always succeeds */ - -/* #ifndef NDEBUG - p = order; - r = p + size - 1; - for (i = p; i < r; ++i) { - Assertion.doAssert(LEQ( * * (i + 1), **i )); - } - #endif*/ - - return true; - } - -/* really __gl_pqSortInsert */ -/* returns LONG_MAX iff out of memory */ - int pqInsert(Object keyNew) { - int curr; - - if (initialized) { - return heap.pqInsert(keyNew); - } - curr = size; - if (++size >= max) { - Object[] saveKey = keys; - - /* If the heap overflows, double its size. */ - max <<= 1; -// pq->keys = (PQHeapKey *)memRealloc( pq->keys,(size_t)(pq->max * sizeof( pq->keys[0] ))); - Object[] pqKeys = new Object[max]; - System.arraycopy( keys, 0, pqKeys, 0, keys.length ); - keys = pqKeys; - if (keys == null) { - keys = saveKey; /* restore ptr to free upon return */ - return Integer.MAX_VALUE; - } - } - assert curr != Integer.MAX_VALUE; - keys[curr] = keyNew; - - /* Negative handles index the sorted array. */ - return -(curr + 1); - } - -/* really __gl_pqSortExtractMin */ - Object pqExtractMin() { - Object sortMin, heapMin; - - if (size == 0) { - return heap.pqExtractMin(); - } - sortMin = keys[order[size - 1]]; - if (!heap.pqIsEmpty()) { - heapMin = heap.pqMinimum(); - if (LEQ(leq, heapMin, sortMin)) { - return heap.pqExtractMin(); - } - } - do { - --size; - } while (size > 0 && keys[order[size - 1]] == null); - return sortMin; - } - -/* really __gl_pqSortMinimum */ - Object pqMinimum() { - Object sortMin, heapMin; - - if (size == 0) { - return heap.pqMinimum(); - } - sortMin = keys[order[size - 1]]; - if (!heap.pqIsEmpty()) { - heapMin = heap.pqMinimum(); - if (com.sun.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, heapMin, sortMin)) { - return heapMin; - } - } - return sortMin; - } - -/* really __gl_pqSortIsEmpty */ - boolean pqIsEmpty() { - return (size == 0) && heap.pqIsEmpty(); - } - -/* really __gl_pqSortDelete */ - void pqDelete(int curr) { - if (curr >= 0) { - heap.pqDelete(curr); - return; - } - curr = -(curr + 1); - assert curr < max && keys[curr] != null; - - keys[curr] = null; - while (size > 0 && keys[order[size - 1]] == null) { - --size; - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Render.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Render.java deleted file mode 100644 index a5e0ae84c..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Render.java +++ /dev/null @@ -1,557 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -import javax.media.opengl.*; -import javax.media.opengl.glu.*; - -class Render { - private static final boolean USE_OPTIMIZED_CODE_PATH = false; - - private Render() { - } - - private static final RenderFan renderFan = new RenderFan(); - private static final RenderStrip renderStrip = new RenderStrip(); - private static final RenderTriangle renderTriangle = new RenderTriangle(); - -/* This structure remembers the information we need about a primitive - * to be able to render it later, once we have determined which - * primitive is able to use the most triangles. - */ - private static class FaceCount { - public FaceCount() { - } - - public FaceCount(long size, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eStart, renderCallBack render) { - this.size = size; - this.eStart = eStart; - this.render = render; - } - - long size; /* number of triangles used */ - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eStart; /* edge where this primitive starts */ - renderCallBack render; - }; - - private static interface renderCallBack { - void render(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, long size); - } - - /************************ Strips and Fans decomposition ******************/ - -/* __gl_renderMesh( tess, mesh ) takes a mesh and breaks it into triangle - * fans, strips, and separate triangles. A substantial effort is made - * to use as few rendering primitives as possible (ie. to make the fans - * and strips as large as possible). - * - * The rendering output is provided as callbacks (see the api). - */ - public static void __gl_renderMesh(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUface f; - - /* Make a list of separate triangles so we can render them all at once */ - tess.lonelyTriList = null; - - for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { - f.marked = false; - } - for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { - - /* We examine all faces in an arbitrary order. Whenever we find - * an unprocessed face F, we output a group of faces including F - * whose size is maximum. - */ - if (f.inside && !f.marked) { - RenderMaximumFaceGroup(tess, f); - assert (f.marked); - } - } - if (tess.lonelyTriList != null) { - RenderLonelyTriangles(tess, tess.lonelyTriList); - tess.lonelyTriList = null; - } - } - - - static void RenderMaximumFaceGroup(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUface fOrig) { - /* We want to find the largest triangle fan or strip of unmarked faces - * which includes the given face fOrig. There are 3 possible fans - * passing through fOrig (one centered at each vertex), and 3 possible - * strips (one for each CCW permutation of the vertices). Our strategy - * is to try all of these, and take the primitive which uses the most - * triangles (a greedy approach). - */ - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e = fOrig.anEdge; - FaceCount max = new FaceCount(); - FaceCount newFace = new FaceCount(); - - max.size = 1; - max.eStart = e; - max.render = renderTriangle; - - if (!tess.flagBoundary) { - newFace = MaximumFan(e); - if (newFace.size > max.size) { - max = newFace; - } - newFace = MaximumFan(e.Lnext); - if (newFace.size > max.size) { - max = newFace; - } - newFace = MaximumFan(e.Onext.Sym); - if (newFace.size > max.size) { - max = newFace; - } - - newFace = MaximumStrip(e); - if (newFace.size > max.size) { - max = newFace; - } - newFace = MaximumStrip(e.Lnext); - if (newFace.size > max.size) { - max = newFace; - } - newFace = MaximumStrip(e.Onext.Sym); - if (newFace.size > max.size) { - max = newFace; - } - } - max.render.render(tess, max.eStart, max.size); - } - - -/* Macros which keep track of faces we have marked temporarily, and allow - * us to backtrack when necessary. With triangle fans, this is not - * really necessary, since the only awkward case is a loop of triangles - * around a single origin vertex. However with strips the situation is - * more complicated, and we need a general tracking method like the - * one here. - */ - private static boolean Marked(com.sun.opengl.impl.glu.tessellator.GLUface f) { - return !f.inside || f.marked; - } - - private static GLUface AddToTrail(com.sun.opengl.impl.glu.tessellator.GLUface f, com.sun.opengl.impl.glu.tessellator.GLUface t) { - f.trail = t; - f.marked = true; - return f; - } - - private static void FreeTrail(com.sun.opengl.impl.glu.tessellator.GLUface t) { - if (true) { - while (t != null) { - t.marked = false; - t = t.trail; - } - } else { - /* absorb trailing semicolon */ - } - } - - static FaceCount MaximumFan(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { - /* eOrig.Lface is the face we want to render. We want to find the size - * of a maximal fan around eOrig.Org. To do this we just walk around - * the origin vertex as far as possible in both directions. - */ - FaceCount newFace = new FaceCount(0, null, renderFan); - com.sun.opengl.impl.glu.tessellator.GLUface trail = null; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - - for (e = eOrig; !Marked(e.Lface); e = e.Onext) { - trail = AddToTrail(e.Lface, trail); - ++newFace.size; - } - for (e = eOrig; !Marked(e.Sym.Lface); e = e.Sym.Lnext) { - trail = AddToTrail(e.Sym.Lface, trail); - ++newFace.size; - } - newFace.eStart = e; - /*LINTED*/ - FreeTrail(trail); - return newFace; - } - - - private static boolean IsEven(long n) { - return (n & 0x1L) == 0; - } - - static FaceCount MaximumStrip(com.sun.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { - /* Here we are looking for a maximal strip that contains the vertices - * eOrig.Org, eOrig.Dst, eOrig.Lnext.Dst (in that order or the - * reverse, such that all triangles are oriented CCW). - * - * Again we walk forward and backward as far as possible. However for - * strips there is a twist: to get CCW orientations, there must be - * an *even* number of triangles in the strip on one side of eOrig. - * We walk the strip starting on a side with an even number of triangles; - * if both side have an odd number, we are forced to shorten one side. - */ - FaceCount newFace = new FaceCount(0, null, renderStrip); - long headSize = 0, tailSize = 0; - com.sun.opengl.impl.glu.tessellator.GLUface trail = null; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, eTail, eHead; - - for (e = eOrig; !Marked(e.Lface); ++tailSize, e = e.Onext) { - trail = AddToTrail(e.Lface, trail); - ++tailSize; - e = e.Lnext.Sym; - if (Marked(e.Lface)) break; - trail = AddToTrail(e.Lface, trail); - } - eTail = e; - - for (e = eOrig; !Marked(e.Sym.Lface); ++headSize, e = e.Sym.Onext.Sym) { - trail = AddToTrail(e.Sym.Lface, trail); - ++headSize; - e = e.Sym.Lnext; - if (Marked(e.Sym.Lface)) break; - trail = AddToTrail(e.Sym.Lface, trail); - } - eHead = e; - - newFace.size = tailSize + headSize; - if (IsEven(tailSize)) { - newFace.eStart = eTail.Sym; - } else if (IsEven(headSize)) { - newFace.eStart = eHead; - } else { - /* Both sides have odd length, we must shorten one of them. In fact, - * we must start from eHead to guarantee inclusion of eOrig.Lface. - */ - --newFace.size; - newFace.eStart = eHead.Onext; - } - /*LINTED*/ - FreeTrail(trail); - return newFace; - } - - private static class RenderTriangle implements renderCallBack { - public void render(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { - /* Just add the triangle to a triangle list, so we can render all - * the separate triangles at once. - */ - assert (size == 1); - tess.lonelyTriList = AddToTrail(e.Lface, tess.lonelyTriList); - } - } - - - static void RenderLonelyTriangles(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUface f) { - /* Now we render all the separate triangles which could not be - * grouped into a triangle fan or strip. - */ - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - int newState; - int edgeState = -1; /* force edge state output for first vertex */ - - tess.callBeginOrBeginData(GL.GL_TRIANGLES); - - for (; f != null; f = f.trail) { - /* Loop once for each edge (there will always be 3 edges) */ - - e = f.anEdge; - do { - if (tess.flagBoundary) { - /* Set the "edge state" to true just before we output the - * first vertex of each edge on the polygon boundary. - */ - newState = (!e.Sym.Lface.inside) ? 1 : 0; - if (edgeState != newState) { - edgeState = newState; - tess.callEdgeFlagOrEdgeFlagData( edgeState != 0); - } - } - tess.callVertexOrVertexData( e.Org.data); - - e = e.Lnext; - } while (e != f.anEdge); - } - tess.callEndOrEndData(); - } - - private static class RenderFan implements renderCallBack { - public void render(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { - /* Render as many CCW triangles as possible in a fan starting from - * edge "e". The fan *should* contain exactly "size" triangles - * (otherwise we've goofed up somewhere). - */ - tess.callBeginOrBeginData( GL.GL_TRIANGLE_FAN); - tess.callVertexOrVertexData( e.Org.data); - tess.callVertexOrVertexData( e.Sym.Org.data); - - while (!Marked(e.Lface)) { - e.Lface.marked = true; - --size; - e = e.Onext; - tess.callVertexOrVertexData( e.Sym.Org.data); - } - - assert (size == 0); - tess.callEndOrEndData(); - } - } - - private static class RenderStrip implements renderCallBack { - public void render(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { - /* Render as many CCW triangles as possible in a strip starting from - * edge "e". The strip *should* contain exactly "size" triangles - * (otherwise we've goofed up somewhere). - */ - tess.callBeginOrBeginData( GL.GL_TRIANGLE_STRIP); - tess.callVertexOrVertexData( e.Org.data); - tess.callVertexOrVertexData( e.Sym.Org.data); - - while (!Marked(e.Lface)) { - e.Lface.marked = true; - --size; - e = e.Lnext.Sym; - tess.callVertexOrVertexData( e.Org.data); - if (Marked(e.Lface)) break; - - e.Lface.marked = true; - --size; - e = e.Onext; - tess.callVertexOrVertexData( e.Sym.Org.data); - } - - assert (size == 0); - tess.callEndOrEndData(); - } - } - - /************************ Boundary contour decomposition ******************/ - -/* __gl_renderBoundary( tess, mesh ) takes a mesh, and outputs one - * contour for each face marked "inside". The rendering output is - * provided as callbacks (see the api). - */ - public static void __gl_renderBoundary(GLUtessellatorImpl tess, com.sun.opengl.impl.glu.tessellator.GLUmesh mesh) { - com.sun.opengl.impl.glu.tessellator.GLUface f; - com.sun.opengl.impl.glu.tessellator.GLUhalfEdge e; - - for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { - if (f.inside) { - tess.callBeginOrBeginData( GL.GL_LINE_LOOP); - e = f.anEdge; - do { - tess.callVertexOrVertexData( e.Org.data); - e = e.Lnext; - } while (e != f.anEdge); - tess.callEndOrEndData(); - } - } - } - - - /************************ Quick-and-dirty decomposition ******************/ - - private static final int SIGN_INCONSISTENT = 2; - - static int ComputeNormal(GLUtessellatorImpl tess, double[] norm, boolean check) -/* - * If check==false, we compute the polygon normal and place it in norm[]. - * If check==true, we check that each triangle in the fan from v0 has a - * consistent orientation with respect to norm[]. If triangles are - * consistently oriented CCW, return 1; if CW, return -1; if all triangles - * are degenerate return 0; otherwise (no consistent orientation) return - * SIGN_INCONSISTENT. - */ { - com.sun.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; -// CachedVertex vn = v0 + tess.cacheCount; - int vn = tess.cacheCount; -// CachedVertex vc; - int vc; - double dot, xc, yc, zc, xp, yp, zp; - double[] n = new double[3]; - int sign = 0; - - /* Find the polygon normal. It is important to get a reasonable - * normal even when the polygon is self-intersecting (eg. a bowtie). - * Otherwise, the computed normal could be very tiny, but perpendicular - * to the true plane of the polygon due to numerical noise. Then all - * the triangles would appear to be degenerate and we would incorrectly - * decompose the polygon as a fan (or simply not render it at all). - * - * We use a sum-of-triangles normal algorithm rather than the more - * efficient sum-of-trapezoids method (used in CheckOrientation() - * in normal.c). This lets us explicitly reverse the signed area - * of some triangles to get a reasonable normal in the self-intersecting - * case. - */ - if (!check) { - norm[0] = norm[1] = norm[2] = 0.0; - } - - vc = 1; - xc = v[vc].coords[0] - v[0].coords[0]; - yc = v[vc].coords[1] - v[0].coords[1]; - zc = v[vc].coords[2] - v[0].coords[2]; - while (++vc < vn) { - xp = xc; - yp = yc; - zp = zc; - xc = v[vc].coords[0] - v[0].coords[0]; - yc = v[vc].coords[1] - v[0].coords[1]; - zc = v[vc].coords[2] - v[0].coords[2]; - - /* Compute (vp - v0) cross (vc - v0) */ - n[0] = yp * zc - zp * yc; - n[1] = zp * xc - xp * zc; - n[2] = xp * yc - yp * xc; - - dot = n[0] * norm[0] + n[1] * norm[1] + n[2] * norm[2]; - if (!check) { - /* Reverse the contribution of back-facing triangles to get - * a reasonable normal for self-intersecting polygons (see above) - */ - if (dot >= 0) { - norm[0] += n[0]; - norm[1] += n[1]; - norm[2] += n[2]; - } else { - norm[0] -= n[0]; - norm[1] -= n[1]; - norm[2] -= n[2]; - } - } else if (dot != 0) { - /* Check the new orientation for consistency with previous triangles */ - if (dot > 0) { - if (sign < 0) return SIGN_INCONSISTENT; - sign = 1; - } else { - if (sign > 0) return SIGN_INCONSISTENT; - sign = -1; - } - } - } - return sign; - } - -/* __gl_renderCache( tess ) takes a single contour and tries to render it - * as a triangle fan. This handles convex polygons, as well as some - * non-convex polygons if we get lucky. - * - * Returns true if the polygon was successfully rendered. The rendering - * output is provided as callbacks (see the api). - */ - public static boolean __gl_renderCache(GLUtessellatorImpl tess) { - com.sun.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; -// CachedVertex vn = v0 + tess.cacheCount; - int vn = tess.cacheCount; -// CachedVertex vc; - int vc; - double[] norm = new double[3]; - int sign; - - if (tess.cacheCount < 3) { - /* Degenerate contour -- no output */ - return true; - } - - norm[0] = tess.normal[0]; - norm[1] = tess.normal[1]; - norm[2] = tess.normal[2]; - if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { - ComputeNormal( tess, norm, false); - } - - sign = ComputeNormal( tess, norm, true); - if (sign == SIGN_INCONSISTENT) { - /* Fan triangles did not have a consistent orientation */ - return false; - } - if (sign == 0) { - /* All triangles were degenerate */ - return true; - } - - if ( !USE_OPTIMIZED_CODE_PATH ) { - return false; - } else { - /* Make sure we do the right thing for each winding rule */ - switch (tess.windingRule) { - case GLU.GLU_TESS_WINDING_ODD: - case GLU.GLU_TESS_WINDING_NONZERO: - break; - case GLU.GLU_TESS_WINDING_POSITIVE: - if (sign < 0) return true; - break; - case GLU.GLU_TESS_WINDING_NEGATIVE: - if (sign > 0) return true; - break; - case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: - return true; - } - - tess.callBeginOrBeginData( tess.boundaryOnly ? GL.GL_LINE_LOOP - : (tess.cacheCount > 3) ? GL.GL_TRIANGLE_FAN - : GL.GL_TRIANGLES); - - tess.callVertexOrVertexData( v[0].data); - if (sign > 0) { - for (vc = 1; vc < vn; ++vc) { - tess.callVertexOrVertexData( v[vc].data); - } - } else { - for (vc = vn - 1; vc > 0; --vc) { - tess.callVertexOrVertexData( v[vc].data); - } - } - tess.callEndOrEndData(); - return true; - } - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Sweep.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Sweep.java deleted file mode 100644 index 140cdcf93..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/Sweep.java +++ /dev/null @@ -1,1353 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -import javax.media.opengl.*; -import javax.media.opengl.glu.*; - -class Sweep { - private Sweep() { - } - -// #ifdef FOR_TRITE_TEST_PROGRAM -// extern void DebugEvent( GLUtessellator *tess ); -// #else - private static void DebugEvent(GLUtessellatorImpl tess) { - - } -// #endif - -/* - * Invariants for the Edge Dictionary. - * - each pair of adjacent edges e2=Succ(e1) satisfies EdgeLeq(e1,e2) - * at any valid location of the sweep event - * - if EdgeLeq(e2,e1) as well (at any valid sweep event), then e1 and e2 - * share a common endpoint - * - for each e, e.Dst has been processed, but not e.Org - * - each edge e satisfies VertLeq(e.Dst,event) && VertLeq(event,e.Org) - * where "event" is the current sweep line event. - * - no edge e has zero length - * - * Invariants for the Mesh (the processed portion). - * - the portion of the mesh left of the sweep line is a planar graph, - * ie. there is *some* way to embed it in the plane - * - no processed edge has zero length - * - no two processed vertices have identical coordinates - * - each "inside" region is monotone, ie. can be broken into two chains - * of monotonically increasing vertices according to VertLeq(v1,v2) - * - a non-invariant: these chains may intersect (very slightly) - * - * Invariants for the Sweep. - * - if none of the edges incident to the event vertex have an activeRegion - * (ie. none of these edges are in the edge dictionary), then the vertex - * has only right-going edges. - * - if an edge is marked "fixUpperEdge" (it is a temporary edge introduced - * by ConnectRightVertex), then it is the only right-going edge from - * its associated vertex. (This says that these edges exist only - * when it is necessary.) - */ - -/* When we merge two edges into one, we need to compute the combined - * winding of the new edge. - */ - private static void AddWinding(GLUhalfEdge eDst, GLUhalfEdge eSrc) { - eDst.winding += eSrc.winding; - eDst.Sym.winding += eSrc.Sym.winding; - } - - - private static ActiveRegion RegionBelow(ActiveRegion r) { - return ((ActiveRegion) Dict.dictKey(Dict.dictPred(r.nodeUp))); - } - - private static ActiveRegion RegionAbove(ActiveRegion r) { - return ((ActiveRegion) Dict.dictKey(Dict.dictSucc(r.nodeUp))); - } - - static boolean EdgeLeq(GLUtessellatorImpl tess, ActiveRegion reg1, ActiveRegion reg2) -/* - * Both edges must be directed from right to left (this is the canonical - * direction for the upper edge of each region). - * - * The strategy is to evaluate a "t" value for each edge at the - * current sweep line position, given by tess.event. The calculations - * are designed to be very stable, but of course they are not perfect. - * - * Special case: if both edge destinations are at the sweep event, - * we sort the edges by slope (they would otherwise compare equally). - */ { - GLUvertex event = tess.event; - GLUhalfEdge e1, e2; - double t1, t2; - - e1 = reg1.eUp; - e2 = reg2.eUp; - - if (e1.Sym.Org == event) { - if (e2.Sym.Org == event) { - /* Two edges right of the sweep line which meet at the sweep event. - * Sort them by slope. - */ - if (Geom.VertLeq(e1.Org, e2.Org)) { - return Geom.EdgeSign(e2.Sym.Org, e1.Org, e2.Org) <= 0; - } - return Geom.EdgeSign(e1.Sym.Org, e2.Org, e1.Org) >= 0; - } - return Geom.EdgeSign(e2.Sym.Org, event, e2.Org) <= 0; - } - if (e2.Sym.Org == event) { - return Geom.EdgeSign(e1.Sym.Org, event, e1.Org) >= 0; - } - - /* General case - compute signed distance *from* e1, e2 to event */ - t1 = Geom.EdgeEval(e1.Sym.Org, event, e1.Org); - t2 = Geom.EdgeEval(e2.Sym.Org, event, e2.Org); - return (t1 >= t2); - } - - - static void DeleteRegion(GLUtessellatorImpl tess, ActiveRegion reg) { - if (reg.fixUpperEdge) { - /* It was created with zero winding number, so it better be - * deleted with zero winding number (ie. it better not get merged - * with a real edge). - */ - assert (reg.eUp.winding == 0); - } - reg.eUp.activeRegion = null; - Dict.dictDelete(tess.dict, reg.nodeUp); /* __gl_dictListDelete */ - } - - - static boolean FixUpperEdge(ActiveRegion reg, GLUhalfEdge newEdge) -/* - * Replace an upper edge which needs fixing (see ConnectRightVertex). - */ { - assert (reg.fixUpperEdge); - if (!Mesh.__gl_meshDelete(reg.eUp)) return false; - reg.fixUpperEdge = false; - reg.eUp = newEdge; - newEdge.activeRegion = reg; - - return true; - } - - static ActiveRegion TopLeftRegion(ActiveRegion reg) { - GLUvertex org = reg.eUp.Org; - GLUhalfEdge e; - - /* Find the region above the uppermost edge with the same origin */ - do { - reg = RegionAbove(reg); - } while (reg.eUp.Org == org); - - /* If the edge above was a temporary edge introduced by ConnectRightVertex, - * now is the time to fix it. - */ - if (reg.fixUpperEdge) { - e = Mesh.__gl_meshConnect(RegionBelow(reg).eUp.Sym, reg.eUp.Lnext); - if (e == null) return null; - if (!FixUpperEdge(reg, e)) return null; - reg = RegionAbove(reg); - } - return reg; - } - - static ActiveRegion TopRightRegion(ActiveRegion reg) { - GLUvertex dst = reg.eUp.Sym.Org; - - /* Find the region above the uppermost edge with the same destination */ - do { - reg = RegionAbove(reg); - } while (reg.eUp.Sym.Org == dst); - return reg; - } - - static ActiveRegion AddRegionBelow(GLUtessellatorImpl tess, - ActiveRegion regAbove, - GLUhalfEdge eNewUp) -/* - * Add a new active region to the sweep line, *somewhere* below "regAbove" - * (according to where the new edge belongs in the sweep-line dictionary). - * The upper edge of the new region will be "eNewUp". - * Winding number and "inside" flag are not updated. - */ { - ActiveRegion regNew = new ActiveRegion(); - if (regNew == null) throw new RuntimeException(); - - regNew.eUp = eNewUp; - /* __gl_dictListInsertBefore */ - regNew.nodeUp = Dict.dictInsertBefore(tess.dict, regAbove.nodeUp, regNew); - if (regNew.nodeUp == null) throw new RuntimeException(); - regNew.fixUpperEdge = false; - regNew.sentinel = false; - regNew.dirty = false; - - eNewUp.activeRegion = regNew; - return regNew; - } - - static boolean IsWindingInside(GLUtessellatorImpl tess, int n) { - switch (tess.windingRule) { - case GLU.GLU_TESS_WINDING_ODD: - return (n & 1) != 0; - case GLU.GLU_TESS_WINDING_NONZERO: - return (n != 0); - case GLU.GLU_TESS_WINDING_POSITIVE: - return (n > 0); - case GLU.GLU_TESS_WINDING_NEGATIVE: - return (n < 0); - case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: - return (n >= 2) || (n <= -2); - } - /*LINTED*/ -// assert (false); - throw new InternalError(); - /*NOTREACHED*/ - } - - - static void ComputeWinding(GLUtessellatorImpl tess, ActiveRegion reg) { - reg.windingNumber = RegionAbove(reg).windingNumber + reg.eUp.winding; - reg.inside = IsWindingInside(tess, reg.windingNumber); - } - - - static void FinishRegion(GLUtessellatorImpl tess, ActiveRegion reg) -/* - * Delete a region from the sweep line. This happens when the upper - * and lower chains of a region meet (at a vertex on the sweep line). - * The "inside" flag is copied to the appropriate mesh face (we could - * not do this before -- since the structure of the mesh is always - * changing, this face may not have even existed until now). - */ { - GLUhalfEdge e = reg.eUp; - GLUface f = e.Lface; - - f.inside = reg.inside; - f.anEdge = e; /* optimization for __gl_meshTessellateMonoRegion() */ - DeleteRegion(tess, reg); - } - - - static GLUhalfEdge FinishLeftRegions(GLUtessellatorImpl tess, - ActiveRegion regFirst, ActiveRegion regLast) -/* - * We are given a vertex with one or more left-going edges. All affected - * edges should be in the edge dictionary. Starting at regFirst.eUp, - * we walk down deleting all regions where both edges have the same - * origin vOrg. At the same time we copy the "inside" flag from the - * active region to the face, since at this point each face will belong - * to at most one region (this was not necessarily true until this point - * in the sweep). The walk stops at the region above regLast; if regLast - * is null we walk as far as possible. At the same time we relink the - * mesh if necessary, so that the ordering of edges around vOrg is the - * same as in the dictionary. - */ { - ActiveRegion reg, regPrev; - GLUhalfEdge e, ePrev; - - regPrev = regFirst; - ePrev = regFirst.eUp; - while (regPrev != regLast) { - regPrev.fixUpperEdge = false; /* placement was OK */ - reg = RegionBelow(regPrev); - e = reg.eUp; - if (e.Org != ePrev.Org) { - if (!reg.fixUpperEdge) { - /* Remove the last left-going edge. Even though there are no further - * edges in the dictionary with this origin, there may be further - * such edges in the mesh (if we are adding left edges to a vertex - * that has already been processed). Thus it is important to call - * FinishRegion rather than just DeleteRegion. - */ - FinishRegion(tess, regPrev); - break; - } - /* If the edge below was a temporary edge introduced by - * ConnectRightVertex, now is the time to fix it. - */ - e = Mesh.__gl_meshConnect(ePrev.Onext.Sym, e.Sym); - if (e == null) throw new RuntimeException(); - if (!FixUpperEdge(reg, e)) throw new RuntimeException(); - } - - /* Relink edges so that ePrev.Onext == e */ - if (ePrev.Onext != e) { - if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(ePrev, e)) throw new RuntimeException(); - } - FinishRegion(tess, regPrev); /* may change reg.eUp */ - ePrev = reg.eUp; - regPrev = reg; - } - return ePrev; - } - - - static void AddRightEdges(GLUtessellatorImpl tess, ActiveRegion regUp, - GLUhalfEdge eFirst, GLUhalfEdge eLast, GLUhalfEdge eTopLeft, - boolean cleanUp) -/* - * Purpose: insert right-going edges into the edge dictionary, and update - * winding numbers and mesh connectivity appropriately. All right-going - * edges share a common origin vOrg. Edges are inserted CCW starting at - * eFirst; the last edge inserted is eLast.Sym.Lnext. If vOrg has any - * left-going edges already processed, then eTopLeft must be the edge - * such that an imaginary upward vertical segment from vOrg would be - * contained between eTopLeft.Sym.Lnext and eTopLeft; otherwise eTopLeft - * should be null. - */ { - ActiveRegion reg, regPrev; - GLUhalfEdge e, ePrev; - boolean firstTime = true; - - /* Insert the new right-going edges in the dictionary */ - e = eFirst; - do { - assert (Geom.VertLeq(e.Org, e.Sym.Org)); - AddRegionBelow(tess, regUp, e.Sym); - e = e.Onext; - } while (e != eLast); - - /* Walk *all* right-going edges from e.Org, in the dictionary order, - * updating the winding numbers of each region, and re-linking the mesh - * edges to match the dictionary ordering (if necessary). - */ - if (eTopLeft == null) { - eTopLeft = RegionBelow(regUp).eUp.Sym.Onext; - } - regPrev = regUp; - ePrev = eTopLeft; - for (; ;) { - reg = RegionBelow(regPrev); - e = reg.eUp.Sym; - if (e.Org != ePrev.Org) break; - - if (e.Onext != ePrev) { - /* Unlink e from its current position, and relink below ePrev */ - if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(ePrev.Sym.Lnext, e)) throw new RuntimeException(); - } - /* Compute the winding number and "inside" flag for the new regions */ - reg.windingNumber = regPrev.windingNumber - e.winding; - reg.inside = IsWindingInside(tess, reg.windingNumber); - - /* Check for two outgoing edges with same slope -- process these - * before any intersection tests (see example in __gl_computeInterior). - */ - regPrev.dirty = true; - if (!firstTime && CheckForRightSplice(tess, regPrev)) { - AddWinding(e, ePrev); - DeleteRegion(tess, regPrev); - if (!Mesh.__gl_meshDelete(ePrev)) throw new RuntimeException(); - } - firstTime = false; - regPrev = reg; - ePrev = e; - } - regPrev.dirty = true; - assert (regPrev.windingNumber - e.winding == reg.windingNumber); - - if (cleanUp) { - /* Check for intersections between newly adjacent edges. */ - WalkDirtyRegions(tess, regPrev); - } - } - - - static void CallCombine(GLUtessellatorImpl tess, GLUvertex isect, - Object[] data, float[] weights, boolean needed) { - double[] coords = new double[3]; - - /* Copy coord data in case the callback changes it. */ - coords[0] = isect.coords[0]; - coords[1] = isect.coords[1]; - coords[2] = isect.coords[2]; - - Object[] outData = new Object[1]; - tess.callCombineOrCombineData(coords, data, weights, outData); - isect.data = outData[0]; - if (isect.data == null) { - if (!needed) { - isect.data = data[0]; - } else if (!tess.fatalError) { - /* The only way fatal error is when two edges are found to intersect, - * but the user has not provided the callback necessary to handle - * generated intersection points. - */ - tess.callErrorOrErrorData(GLU.GLU_TESS_NEED_COMBINE_CALLBACK); - tess.fatalError = true; - } - } - } - - static void SpliceMergeVertices(GLUtessellatorImpl tess, GLUhalfEdge e1, - GLUhalfEdge e2) -/* - * Two vertices with idential coordinates are combined into one. - * e1.Org is kept, while e2.Org is discarded. - */ { - Object[] data = new Object[4]; - float[] weights = new float[]{0.5f, 0.5f, 0.0f, 0.0f}; - - data[0] = e1.Org.data; - data[1] = e2.Org.data; - CallCombine(tess, e1.Org, data, weights, false); - if (!Mesh.__gl_meshSplice(e1, e2)) throw new RuntimeException(); - } - - static void VertexWeights(GLUvertex isect, GLUvertex org, GLUvertex dst, - float[] weights) -/* - * Find some weights which describe how the intersection vertex is - * a linear combination of "org" and "dest". Each of the two edges - * which generated "isect" is allocated 50% of the weight; each edge - * splits the weight between its org and dst according to the - * relative distance to "isect". - */ { - double t1 = Geom.VertL1dist(org, isect); - double t2 = Geom.VertL1dist(dst, isect); - - weights[0] = (float) (0.5 * t2 / (t1 + t2)); - weights[1] = (float) (0.5 * t1 / (t1 + t2)); - isect.coords[0] += weights[0] * org.coords[0] + weights[1] * dst.coords[0]; - isect.coords[1] += weights[0] * org.coords[1] + weights[1] * dst.coords[1]; - isect.coords[2] += weights[0] * org.coords[2] + weights[1] * dst.coords[2]; - } - - - static void GetIntersectData(GLUtessellatorImpl tess, GLUvertex isect, - GLUvertex orgUp, GLUvertex dstUp, - GLUvertex orgLo, GLUvertex dstLo) -/* - * We've computed a new intersection point, now we need a "data" pointer - * from the user so that we can refer to this new vertex in the - * rendering callbacks. - */ { - Object[] data = new Object[4]; - float[] weights = new float[4]; - float[] weights1 = new float[2]; - float[] weights2 = new float[2]; - - data[0] = orgUp.data; - data[1] = dstUp.data; - data[2] = orgLo.data; - data[3] = dstLo.data; - - isect.coords[0] = isect.coords[1] = isect.coords[2] = 0; - VertexWeights(isect, orgUp, dstUp, weights1); - VertexWeights(isect, orgLo, dstLo, weights2); - System.arraycopy(weights1, 0, weights, 0, 2); - System.arraycopy(weights2, 0, weights, 2, 2); - - CallCombine(tess, isect, data, weights, true); - } - - static boolean CheckForRightSplice(GLUtessellatorImpl tess, ActiveRegion regUp) -/* - * Check the upper and lower edge of "regUp", to make sure that the - * eUp.Org is above eLo, or eLo.Org is below eUp (depending on which - * origin is leftmost). - * - * The main purpose is to splice right-going edges with the same - * dest vertex and nearly identical slopes (ie. we can't distinguish - * the slopes numerically). However the splicing can also help us - * to recover from numerical errors. For example, suppose at one - * point we checked eUp and eLo, and decided that eUp.Org is barely - * above eLo. Then later, we split eLo into two edges (eg. from - * a splice operation like this one). This can change the result of - * our test so that now eUp.Org is incident to eLo, or barely below it. - * We must correct this condition to maintain the dictionary invariants. - * - * One possibility is to check these edges for intersection again - * (ie. CheckForIntersect). This is what we do if possible. However - * CheckForIntersect requires that tess.event lies between eUp and eLo, - * so that it has something to fall back on when the intersection - * calculation gives us an unusable answer. So, for those cases where - * we can't check for intersection, this routine fixes the problem - * by just splicing the offending vertex into the other edge. - * This is a guaranteed solution, no matter how degenerate things get. - * Basically this is a combinatorial solution to a numerical problem. - */ { - ActiveRegion regLo = RegionBelow(regUp); - GLUhalfEdge eUp = regUp.eUp; - GLUhalfEdge eLo = regLo.eUp; - - if (Geom.VertLeq(eUp.Org, eLo.Org)) { - if (Geom.EdgeSign(eLo.Sym.Org, eUp.Org, eLo.Org) > 0) return false; - - /* eUp.Org appears to be below eLo */ - if (!Geom.VertEq(eUp.Org, eLo.Org)) { - /* Splice eUp.Org into eLo */ - if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eUp, eLo.Sym.Lnext)) throw new RuntimeException(); - regUp.dirty = regLo.dirty = true; - - } else if (eUp.Org != eLo.Org) { - /* merge the two vertices, discarding eUp.Org */ - tess.pq.pqDelete(eUp.Org.pqHandle); /* __gl_pqSortDelete */ - SpliceMergeVertices(tess, eLo.Sym.Lnext, eUp); - } - } else { - if (Geom.EdgeSign(eUp.Sym.Org, eLo.Org, eUp.Org) < 0) return false; - - /* eLo.Org appears to be above eUp, so splice eLo.Org into eUp */ - RegionAbove(regUp).dirty = regUp.dirty = true; - if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); - } - return true; - } - - static boolean CheckForLeftSplice(GLUtessellatorImpl tess, ActiveRegion regUp) -/* - * Check the upper and lower edge of "regUp", to make sure that the - * eUp.Sym.Org is above eLo, or eLo.Sym.Org is below eUp (depending on which - * destination is rightmost). - * - * Theoretically, this should always be true. However, splitting an edge - * into two pieces can change the results of previous tests. For example, - * suppose at one point we checked eUp and eLo, and decided that eUp.Sym.Org - * is barely above eLo. Then later, we split eLo into two edges (eg. from - * a splice operation like this one). This can change the result of - * the test so that now eUp.Sym.Org is incident to eLo, or barely below it. - * We must correct this condition to maintain the dictionary invariants - * (otherwise new edges might get inserted in the wrong place in the - * dictionary, and bad stuff will happen). - * - * We fix the problem by just splicing the offending vertex into the - * other edge. - */ { - ActiveRegion regLo = RegionBelow(regUp); - GLUhalfEdge eUp = regUp.eUp; - GLUhalfEdge eLo = regLo.eUp; - GLUhalfEdge e; - - assert (!Geom.VertEq(eUp.Sym.Org, eLo.Sym.Org)); - - if (Geom.VertLeq(eUp.Sym.Org, eLo.Sym.Org)) { - if (Geom.EdgeSign(eUp.Sym.Org, eLo.Sym.Org, eUp.Org) < 0) return false; - - /* eLo.Sym.Org is above eUp, so splice eLo.Sym.Org into eUp */ - RegionAbove(regUp).dirty = regUp.dirty = true; - e = Mesh.__gl_meshSplitEdge(eUp); - if (e == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eLo.Sym, e)) throw new RuntimeException(); - e.Lface.inside = regUp.inside; - } else { - if (Geom.EdgeSign(eLo.Sym.Org, eUp.Sym.Org, eLo.Org) > 0) return false; - - /* eUp.Sym.Org is below eLo, so splice eUp.Sym.Org into eLo */ - regUp.dirty = regLo.dirty = true; - e = Mesh.__gl_meshSplitEdge(eLo); - if (e == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym)) throw new RuntimeException(); - e.Sym.Lface.inside = regUp.inside; - } - return true; - } - - - static boolean CheckForIntersect(GLUtessellatorImpl tess, ActiveRegion regUp) -/* - * Check the upper and lower edges of the given region to see if - * they intersect. If so, create the intersection and add it - * to the data structures. - * - * Returns true if adding the new intersection resulted in a recursive - * call to AddRightEdges(); in this case all "dirty" regions have been - * checked for intersections, and possibly regUp has been deleted. - */ { - ActiveRegion regLo = RegionBelow(regUp); - GLUhalfEdge eUp = regUp.eUp; - GLUhalfEdge eLo = regLo.eUp; - GLUvertex orgUp = eUp.Org; - GLUvertex orgLo = eLo.Org; - GLUvertex dstUp = eUp.Sym.Org; - GLUvertex dstLo = eLo.Sym.Org; - double tMinUp, tMaxLo; - GLUvertex isect = new GLUvertex(); - GLUvertex orgMin; - GLUhalfEdge e; - - assert (!Geom.VertEq(dstLo, dstUp)); - assert (Geom.EdgeSign(dstUp, tess.event, orgUp) <= 0); - assert (Geom.EdgeSign(dstLo, tess.event, orgLo) >= 0); - assert (orgUp != tess.event && orgLo != tess.event); - assert (!regUp.fixUpperEdge && !regLo.fixUpperEdge); - - if (orgUp == orgLo) return false; /* right endpoints are the same */ - - tMinUp = Math.min(orgUp.t, dstUp.t); - tMaxLo = Math.max(orgLo.t, dstLo.t); - if (tMinUp > tMaxLo) return false; /* t ranges do not overlap */ - - if (Geom.VertLeq(orgUp, orgLo)) { - if (Geom.EdgeSign(dstLo, orgUp, orgLo) > 0) return false; - } else { - if (Geom.EdgeSign(dstUp, orgLo, orgUp) < 0) return false; - } - - /* At this point the edges intersect, at least marginally */ - DebugEvent(tess); - - Geom.EdgeIntersect(dstUp, orgUp, dstLo, orgLo, isect); - /* The following properties are guaranteed: */ - assert (Math.min(orgUp.t, dstUp.t) <= isect.t); - assert (isect.t <= Math.max(orgLo.t, dstLo.t)); - assert (Math.min(dstLo.s, dstUp.s) <= isect.s); - assert (isect.s <= Math.max(orgLo.s, orgUp.s)); - - if (Geom.VertLeq(isect, tess.event)) { - /* The intersection point lies slightly to the left of the sweep line, - * so move it until it''s slightly to the right of the sweep line. - * (If we had perfect numerical precision, this would never happen - * in the first place). The easiest and safest thing to do is - * replace the intersection by tess.event. - */ - isect.s = tess.event.s; - isect.t = tess.event.t; - } - /* Similarly, if the computed intersection lies to the right of the - * rightmost origin (which should rarely happen), it can cause - * unbelievable inefficiency on sufficiently degenerate inputs. - * (If you have the test program, try running test54.d with the - * "X zoom" option turned on). - */ - orgMin = Geom.VertLeq(orgUp, orgLo) ? orgUp : orgLo; - if (Geom.VertLeq(orgMin, isect)) { - isect.s = orgMin.s; - isect.t = orgMin.t; - } - - if (Geom.VertEq(isect, orgUp) || Geom.VertEq(isect, orgLo)) { - /* Easy case -- intersection at one of the right endpoints */ - CheckForRightSplice(tess, regUp); - return false; - } - - if ((!Geom.VertEq(dstUp, tess.event) - && Geom.EdgeSign(dstUp, tess.event, isect) >= 0) - || (!Geom.VertEq(dstLo, tess.event) - && Geom.EdgeSign(dstLo, tess.event, isect) <= 0)) { - /* Very unusual -- the new upper or lower edge would pass on the - * wrong side of the sweep event, or through it. This can happen - * due to very small numerical errors in the intersection calculation. - */ - if (dstLo == tess.event) { - /* Splice dstLo into eUp, and process the new region(s) */ - if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eLo.Sym, eUp)) throw new RuntimeException(); - regUp = TopLeftRegion(regUp); - if (regUp == null) throw new RuntimeException(); - eUp = RegionBelow(regUp).eUp; - FinishLeftRegions(tess, RegionBelow(regUp), regLo); - AddRightEdges(tess, regUp, eUp.Sym.Lnext, eUp, eUp, true); - return true; - } - if (dstUp == tess.event) { - /* Splice dstUp into eLo, and process the new region(s) */ - if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym.Lnext)) throw new RuntimeException(); - regLo = regUp; - regUp = TopRightRegion(regUp); - e = RegionBelow(regUp).eUp.Sym.Onext; - regLo.eUp = eLo.Sym.Lnext; - eLo = FinishLeftRegions(tess, regLo, null); - AddRightEdges(tess, regUp, eLo.Onext, eUp.Sym.Onext, e, true); - return true; - } - /* Special case: called from ConnectRightVertex. If either - * edge passes on the wrong side of tess.event, split it - * (and wait for ConnectRightVertex to splice it appropriately). - */ - if (Geom.EdgeSign(dstUp, tess.event, isect) >= 0) { - RegionAbove(regUp).dirty = regUp.dirty = true; - if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); - eUp.Org.s = tess.event.s; - eUp.Org.t = tess.event.t; - } - if (Geom.EdgeSign(dstLo, tess.event, isect) <= 0) { - regUp.dirty = regLo.dirty = true; - if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); - eLo.Org.s = tess.event.s; - eLo.Org.t = tess.event.t; - } - /* leave the rest for ConnectRightVertex */ - return false; - } - - /* General case -- split both edges, splice into new vertex. - * When we do the splice operation, the order of the arguments is - * arbitrary as far as correctness goes. However, when the operation - * creates a new face, the work done is proportional to the size of - * the new face. We expect the faces in the processed part of - * the mesh (ie. eUp.Lface) to be smaller than the faces in the - * unprocessed original contours (which will be eLo.Sym.Lnext.Lface). - */ - if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); - if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); - if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); - eUp.Org.s = isect.s; - eUp.Org.t = isect.t; - eUp.Org.pqHandle = tess.pq.pqInsert(eUp.Org); /* __gl_pqSortInsert */ - if (eUp.Org.pqHandle == Long.MAX_VALUE) { - tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ - tess.pq = null; - throw new RuntimeException(); - } - GetIntersectData(tess, eUp.Org, orgUp, dstUp, orgLo, dstLo); - RegionAbove(regUp).dirty = regUp.dirty = regLo.dirty = true; - return false; - } - - static void WalkDirtyRegions(GLUtessellatorImpl tess, ActiveRegion regUp) -/* - * When the upper or lower edge of any region changes, the region is - * marked "dirty". This routine walks through all the dirty regions - * and makes sure that the dictionary invariants are satisfied - * (see the comments at the beginning of this file). Of course - * new dirty regions can be created as we make changes to restore - * the invariants. - */ { - ActiveRegion regLo = RegionBelow(regUp); - GLUhalfEdge eUp, eLo; - - for (; ;) { - /* Find the lowest dirty region (we walk from the bottom up). */ - while (regLo.dirty) { - regUp = regLo; - regLo = RegionBelow(regLo); - } - if (!regUp.dirty) { - regLo = regUp; - regUp = RegionAbove(regUp); - if (regUp == null || !regUp.dirty) { - /* We've walked all the dirty regions */ - return; - } - } - regUp.dirty = false; - eUp = regUp.eUp; - eLo = regLo.eUp; - - if (eUp.Sym.Org != eLo.Sym.Org) { - /* Check that the edge ordering is obeyed at the Dst vertices. */ - if (CheckForLeftSplice(tess, regUp)) { - - /* If the upper or lower edge was marked fixUpperEdge, then - * we no longer need it (since these edges are needed only for - * vertices which otherwise have no right-going edges). - */ - if (regLo.fixUpperEdge) { - DeleteRegion(tess, regLo); - if (!Mesh.__gl_meshDelete(eLo)) throw new RuntimeException(); - regLo = RegionBelow(regUp); - eLo = regLo.eUp; - } else if (regUp.fixUpperEdge) { - DeleteRegion(tess, regUp); - if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); - regUp = RegionAbove(regLo); - eUp = regUp.eUp; - } - } - } - if (eUp.Org != eLo.Org) { - if (eUp.Sym.Org != eLo.Sym.Org - && !regUp.fixUpperEdge && !regLo.fixUpperEdge - && (eUp.Sym.Org == tess.event || eLo.Sym.Org == tess.event)) { - /* When all else fails in CheckForIntersect(), it uses tess.event - * as the intersection location. To make this possible, it requires - * that tess.event lie between the upper and lower edges, and also - * that neither of these is marked fixUpperEdge (since in the worst - * case it might splice one of these edges into tess.event, and - * violate the invariant that fixable edges are the only right-going - * edge from their associated vertex). - */ - if (CheckForIntersect(tess, regUp)) { - /* WalkDirtyRegions() was called recursively; we're done */ - return; - } - } else { - /* Even though we can't use CheckForIntersect(), the Org vertices - * may violate the dictionary edge ordering. Check and correct this. - */ - CheckForRightSplice(tess, regUp); - } - } - if (eUp.Org == eLo.Org && eUp.Sym.Org == eLo.Sym.Org) { - /* A degenerate loop consisting of only two edges -- delete it. */ - AddWinding(eLo, eUp); - DeleteRegion(tess, regUp); - if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); - regUp = RegionAbove(regLo); - } - } - } - - - static void ConnectRightVertex(GLUtessellatorImpl tess, ActiveRegion regUp, - GLUhalfEdge eBottomLeft) -/* - * Purpose: connect a "right" vertex vEvent (one where all edges go left) - * to the unprocessed portion of the mesh. Since there are no right-going - * edges, two regions (one above vEvent and one below) are being merged - * into one. "regUp" is the upper of these two regions. - * - * There are two reasons for doing this (adding a right-going edge): - * - if the two regions being merged are "inside", we must add an edge - * to keep them separated (the combined region would not be monotone). - * - in any case, we must leave some record of vEvent in the dictionary, - * so that we can merge vEvent with features that we have not seen yet. - * For example, maybe there is a vertical edge which passes just to - * the right of vEvent; we would like to splice vEvent into this edge. - * - * However, we don't want to connect vEvent to just any vertex. We don''t - * want the new edge to cross any other edges; otherwise we will create - * intersection vertices even when the input data had no self-intersections. - * (This is a bad thing; if the user's input data has no intersections, - * we don't want to generate any false intersections ourselves.) - * - * Our eventual goal is to connect vEvent to the leftmost unprocessed - * vertex of the combined region (the union of regUp and regLo). - * But because of unseen vertices with all right-going edges, and also - * new vertices which may be created by edge intersections, we don''t - * know where that leftmost unprocessed vertex is. In the meantime, we - * connect vEvent to the closest vertex of either chain, and mark the region - * as "fixUpperEdge". This flag says to delete and reconnect this edge - * to the next processed vertex on the boundary of the combined region. - * Quite possibly the vertex we connected to will turn out to be the - * closest one, in which case we won''t need to make any changes. - */ { - GLUhalfEdge eNew; - GLUhalfEdge eTopLeft = eBottomLeft.Onext; - ActiveRegion regLo = RegionBelow(regUp); - GLUhalfEdge eUp = regUp.eUp; - GLUhalfEdge eLo = regLo.eUp; - boolean degenerate = false; - - if (eUp.Sym.Org != eLo.Sym.Org) { - CheckForIntersect(tess, regUp); - } - - /* Possible new degeneracies: upper or lower edge of regUp may pass - * through vEvent, or may coincide with new intersection vertex - */ - if (Geom.VertEq(eUp.Org, tess.event)) { - if (!Mesh.__gl_meshSplice(eTopLeft.Sym.Lnext, eUp)) throw new RuntimeException(); - regUp = TopLeftRegion(regUp); - if (regUp == null) throw new RuntimeException(); - eTopLeft = RegionBelow(regUp).eUp; - FinishLeftRegions(tess, RegionBelow(regUp), regLo); - degenerate = true; - } - if (Geom.VertEq(eLo.Org, tess.event)) { - if (!Mesh.__gl_meshSplice(eBottomLeft, eLo.Sym.Lnext)) throw new RuntimeException(); - eBottomLeft = FinishLeftRegions(tess, regLo, null); - degenerate = true; - } - if (degenerate) { - AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); - return; - } - - /* Non-degenerate situation -- need to add a temporary, fixable edge. - * Connect to the closer of eLo.Org, eUp.Org. - */ - if (Geom.VertLeq(eLo.Org, eUp.Org)) { - eNew = eLo.Sym.Lnext; - } else { - eNew = eUp; - } - eNew = Mesh.__gl_meshConnect(eBottomLeft.Onext.Sym, eNew); - if (eNew == null) throw new RuntimeException(); - - /* Prevent cleanup, otherwise eNew might disappear before we've even - * had a chance to mark it as a temporary edge. - */ - AddRightEdges(tess, regUp, eNew, eNew.Onext, eNew.Onext, false); - eNew.Sym.activeRegion.fixUpperEdge = true; - WalkDirtyRegions(tess, regUp); - } - -/* Because vertices at exactly the same location are merged together - * before we process the sweep event, some degenerate cases can't occur. - * However if someone eventually makes the modifications required to - * merge features which are close together, the cases below marked - * TOLERANCE_NONZERO will be useful. They were debugged before the - * code to merge identical vertices in the main loop was added. - */ - private static final boolean TOLERANCE_NONZERO = false; - - static void ConnectLeftDegenerate(GLUtessellatorImpl tess, - ActiveRegion regUp, GLUvertex vEvent) -/* - * The event vertex lies exacty on an already-processed edge or vertex. - * Adding the new vertex involves splicing it into the already-processed - * part of the mesh. - */ { - GLUhalfEdge e, eTopLeft, eTopRight, eLast; - ActiveRegion reg; - - e = regUp.eUp; - if (Geom.VertEq(e.Org, vEvent)) { - /* e.Org is an unprocessed vertex - just combine them, and wait - * for e.Org to be pulled from the queue - */ - assert (TOLERANCE_NONZERO); - SpliceMergeVertices(tess, e, vEvent.anEdge); - return; - } - - if (!Geom.VertEq(e.Sym.Org, vEvent)) { - /* General case -- splice vEvent into edge e which passes through it */ - if (Mesh.__gl_meshSplitEdge(e.Sym) == null) throw new RuntimeException(); - if (regUp.fixUpperEdge) { - /* This edge was fixable -- delete unused portion of original edge */ - if (!Mesh.__gl_meshDelete(e.Onext)) throw new RuntimeException(); - regUp.fixUpperEdge = false; - } - if (!Mesh.__gl_meshSplice(vEvent.anEdge, e)) throw new RuntimeException(); - SweepEvent(tess, vEvent); /* recurse */ - return; - } - - /* vEvent coincides with e.Sym.Org, which has already been processed. - * Splice in the additional right-going edges. - */ - assert (TOLERANCE_NONZERO); - regUp = TopRightRegion(regUp); - reg = RegionBelow(regUp); - eTopRight = reg.eUp.Sym; - eTopLeft = eLast = eTopRight.Onext; - if (reg.fixUpperEdge) { - /* Here e.Sym.Org has only a single fixable edge going right. - * We can delete it since now we have some real right-going edges. - */ - assert (eTopLeft != eTopRight); /* there are some left edges too */ - DeleteRegion(tess, reg); - if (!Mesh.__gl_meshDelete(eTopRight)) throw new RuntimeException(); - eTopRight = eTopLeft.Sym.Lnext; - } - if (!Mesh.__gl_meshSplice(vEvent.anEdge, eTopRight)) throw new RuntimeException(); - if (!Geom.EdgeGoesLeft(eTopLeft)) { - /* e.Sym.Org had no left-going edges -- indicate this to AddRightEdges() */ - eTopLeft = null; - } - AddRightEdges(tess, regUp, eTopRight.Onext, eLast, eTopLeft, true); - } - - - static void ConnectLeftVertex(GLUtessellatorImpl tess, GLUvertex vEvent) -/* - * Purpose: connect a "left" vertex (one where both edges go right) - * to the processed portion of the mesh. Let R be the active region - * containing vEvent, and let U and L be the upper and lower edge - * chains of R. There are two possibilities: - * - * - the normal case: split R into two regions, by connecting vEvent to - * the rightmost vertex of U or L lying to the left of the sweep line - * - * - the degenerate case: if vEvent is close enough to U or L, we - * merge vEvent into that edge chain. The subcases are: - * - merging with the rightmost vertex of U or L - * - merging with the active edge of U or L - * - merging with an already-processed portion of U or L - */ { - ActiveRegion regUp, regLo, reg; - GLUhalfEdge eUp, eLo, eNew; - ActiveRegion tmp = new ActiveRegion(); - - /* assert ( vEvent.anEdge.Onext.Onext == vEvent.anEdge ); */ - - /* Get a pointer to the active region containing vEvent */ - tmp.eUp = vEvent.anEdge.Sym; - /* __GL_DICTLISTKEY */ /* __gl_dictListSearch */ - regUp = (ActiveRegion) Dict.dictKey(Dict.dictSearch(tess.dict, tmp)); - regLo = RegionBelow(regUp); - eUp = regUp.eUp; - eLo = regLo.eUp; - - /* Try merging with U or L first */ - if (Geom.EdgeSign(eUp.Sym.Org, vEvent, eUp.Org) == 0) { - ConnectLeftDegenerate(tess, regUp, vEvent); - return; - } - - /* Connect vEvent to rightmost processed vertex of either chain. - * e.Sym.Org is the vertex that we will connect to vEvent. - */ - reg = Geom.VertLeq(eLo.Sym.Org, eUp.Sym.Org) ? regUp : regLo; - - if (regUp.inside || reg.fixUpperEdge) { - if (reg == regUp) { - eNew = Mesh.__gl_meshConnect(vEvent.anEdge.Sym, eUp.Lnext); - if (eNew == null) throw new RuntimeException(); - } else { - GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(eLo.Sym.Onext.Sym, vEvent.anEdge); - if (tempHalfEdge == null) throw new RuntimeException(); - - eNew = tempHalfEdge.Sym; - } - if (reg.fixUpperEdge) { - if (!FixUpperEdge(reg, eNew)) throw new RuntimeException(); - } else { - ComputeWinding(tess, AddRegionBelow(tess, regUp, eNew)); - } - SweepEvent(tess, vEvent); - } else { - /* The new vertex is in a region which does not belong to the polygon. - * We don''t need to connect this vertex to the rest of the mesh. - */ - AddRightEdges(tess, regUp, vEvent.anEdge, vEvent.anEdge, null, true); - } - } - - - static void SweepEvent(GLUtessellatorImpl tess, GLUvertex vEvent) -/* - * Does everything necessary when the sweep line crosses a vertex. - * Updates the mesh and the edge dictionary. - */ { - ActiveRegion regUp, reg; - GLUhalfEdge e, eTopLeft, eBottomLeft; - - tess.event = vEvent; /* for access in EdgeLeq() */ - DebugEvent(tess); - - /* Check if this vertex is the right endpoint of an edge that is - * already in the dictionary. In this case we don't need to waste - * time searching for the location to insert new edges. - */ - e = vEvent.anEdge; - while (e.activeRegion == null) { - e = e.Onext; - if (e == vEvent.anEdge) { - /* All edges go right -- not incident to any processed edges */ - ConnectLeftVertex(tess, vEvent); - return; - } - } - - /* Processing consists of two phases: first we "finish" all the - * active regions where both the upper and lower edges terminate - * at vEvent (ie. vEvent is closing off these regions). - * We mark these faces "inside" or "outside" the polygon according - * to their winding number, and delete the edges from the dictionary. - * This takes care of all the left-going edges from vEvent. - */ - regUp = TopLeftRegion(e.activeRegion); - if (regUp == null) throw new RuntimeException(); - reg = RegionBelow(regUp); - eTopLeft = reg.eUp; - eBottomLeft = FinishLeftRegions(tess, reg, null); - - /* Next we process all the right-going edges from vEvent. This - * involves adding the edges to the dictionary, and creating the - * associated "active regions" which record information about the - * regions between adjacent dictionary edges. - */ - if (eBottomLeft.Onext == eTopLeft) { - /* No right-going edges -- add a temporary "fixable" edge */ - ConnectRightVertex(tess, regUp, eBottomLeft); - } else { - AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); - } - } - - -/* Make the sentinel coordinates big enough that they will never be - * merged with real input features. (Even with the largest possible - * input contour and the maximum tolerance of 1.0, no merging will be - * done with coordinates larger than 3 * GLU_TESS_MAX_COORD). - */ - private static final double SENTINEL_COORD = (4.0 * GLU.GLU_TESS_MAX_COORD); - - static void AddSentinel(GLUtessellatorImpl tess, double t) -/* - * We add two sentinel edges above and below all other edges, - * to avoid special cases at the top and bottom. - */ { - GLUhalfEdge e; - ActiveRegion reg = new ActiveRegion(); - if (reg == null) throw new RuntimeException(); - - e = Mesh.__gl_meshMakeEdge(tess.mesh); - if (e == null) throw new RuntimeException(); - - e.Org.s = SENTINEL_COORD; - e.Org.t = t; - e.Sym.Org.s = -SENTINEL_COORD; - e.Sym.Org.t = t; - tess.event = e.Sym.Org; /* initialize it */ - - reg.eUp = e; - reg.windingNumber = 0; - reg.inside = false; - reg.fixUpperEdge = false; - reg.sentinel = true; - reg.dirty = false; - reg.nodeUp = Dict.dictInsert(tess.dict, reg); /* __gl_dictListInsertBefore */ - if (reg.nodeUp == null) throw new RuntimeException(); - } - - - static void InitEdgeDict(final GLUtessellatorImpl tess) -/* - * We maintain an ordering of edge intersections with the sweep line. - * This order is maintained in a dynamic dictionary. - */ { - /* __gl_dictListNewDict */ - tess.dict = Dict.dictNewDict(tess, new Dict.DictLeq() { - public boolean leq(Object frame, Object key1, Object key2) { - return EdgeLeq(tess, (ActiveRegion) key1, (ActiveRegion) key2); - } - }); - if (tess.dict == null) throw new RuntimeException(); - - AddSentinel(tess, -SENTINEL_COORD); - AddSentinel(tess, SENTINEL_COORD); - } - - - static void DoneEdgeDict(GLUtessellatorImpl tess) { - ActiveRegion reg; - int fixedEdges = 0; - - /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ - while ((reg = (ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))) != null) { - /* - * At the end of all processing, the dictionary should contain - * only the two sentinel edges, plus at most one "fixable" edge - * created by ConnectRightVertex(). - */ - if (!reg.sentinel) { - assert (reg.fixUpperEdge); - assert (++fixedEdges == 1); - } - assert (reg.windingNumber == 0); - DeleteRegion(tess, reg); -/* __gl_meshDelete( reg.eUp );*/ - } - Dict.dictDeleteDict(tess.dict); /* __gl_dictListDeleteDict */ - } - - - static void RemoveDegenerateEdges(GLUtessellatorImpl tess) -/* - * Remove zero-length edges, and contours with fewer than 3 vertices. - */ { - GLUhalfEdge e, eNext, eLnext; - GLUhalfEdge eHead = tess.mesh.eHead; - - /*LINTED*/ - for (e = eHead.next; e != eHead; e = eNext) { - eNext = e.next; - eLnext = e.Lnext; - - if (Geom.VertEq(e.Org, e.Sym.Org) && e.Lnext.Lnext != e) { - /* Zero-length edge, contour has at least 3 edges */ - - SpliceMergeVertices(tess, eLnext, e); /* deletes e.Org */ - if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); /* e is a self-loop */ - e = eLnext; - eLnext = e.Lnext; - } - if (eLnext.Lnext == e) { - /* Degenerate contour (one or two edges) */ - - if (eLnext != e) { - if (eLnext == eNext || eLnext == eNext.Sym) { - eNext = eNext.next; - } - if (!Mesh.__gl_meshDelete(eLnext)) throw new RuntimeException(); - } - if (e == eNext || e == eNext.Sym) { - eNext = eNext.next; - } - if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); - } - } - } - - static boolean InitPriorityQ(GLUtessellatorImpl tess) -/* - * Insert all vertices into the priority queue which determines the - * order in which vertices cross the sweep line. - */ { - PriorityQ pq; - GLUvertex v, vHead; - - /* __gl_pqSortNewPriorityQ */ - pq = tess.pq = PriorityQ.pqNewPriorityQ(new PriorityQ.Leq() { - public boolean leq(Object key1, Object key2) { - return Geom.VertLeq(((GLUvertex) key1), (GLUvertex) key2); - } - }); - if (pq == null) return false; - - vHead = tess.mesh.vHead; - for (v = vHead.next; v != vHead; v = v.next) { - v.pqHandle = pq.pqInsert(v); /* __gl_pqSortInsert */ - if (v.pqHandle == Long.MAX_VALUE) break; - } - if (v != vHead || !pq.pqInit()) { /* __gl_pqSortInit */ - tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ - tess.pq = null; - return false; - } - - return true; - } - - - static void DonePriorityQ(GLUtessellatorImpl tess) { - tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ - } - - - static boolean RemoveDegenerateFaces(GLUmesh mesh) -/* - * Delete any degenerate faces with only two edges. WalkDirtyRegions() - * will catch almost all of these, but it won't catch degenerate faces - * produced by splice operations on already-processed edges. - * The two places this can happen are in FinishLeftRegions(), when - * we splice in a "temporary" edge produced by ConnectRightVertex(), - * and in CheckForLeftSplice(), where we splice already-processed - * edges to ensure that our dictionary invariants are not violated - * by numerical errors. - * - * In both these cases it is *very* dangerous to delete the offending - * edge at the time, since one of the routines further up the stack - * will sometimes be keeping a pointer to that edge. - */ { - GLUface f, fNext; - GLUhalfEdge e; - - /*LINTED*/ - for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { - fNext = f.next; - e = f.anEdge; - assert (e.Lnext != e); - - if (e.Lnext.Lnext == e) { - /* A face with only two edges */ - AddWinding(e.Onext, e); - if (!Mesh.__gl_meshDelete(e)) return false; - } - } - return true; - } - - public static boolean __gl_computeInterior(GLUtessellatorImpl tess) -/* - * __gl_computeInterior( tess ) computes the planar arrangement specified - * by the given contours, and further subdivides this arrangement - * into regions. Each region is marked "inside" if it belongs - * to the polygon, according to the rule given by tess.windingRule. - * Each interior region is guaranteed be monotone. - */ { - GLUvertex v, vNext; - - tess.fatalError = false; - - /* Each vertex defines an event for our sweep line. Start by inserting - * all the vertices in a priority queue. Events are processed in - * lexicographic order, ie. - * - * e1 < e2 iff e1.x < e2.x || (e1.x == e2.x && e1.y < e2.y) - */ - RemoveDegenerateEdges(tess); - if (!InitPriorityQ(tess)) return false; /* if error */ - InitEdgeDict(tess); - - /* __gl_pqSortExtractMin */ - while ((v = (GLUvertex) tess.pq.pqExtractMin()) != null) { - for (; ;) { - vNext = (GLUvertex) tess.pq.pqMinimum(); /* __gl_pqSortMinimum */ - if (vNext == null || !Geom.VertEq(vNext, v)) break; - - /* Merge together all vertices at exactly the same location. - * This is more efficient than processing them one at a time, - * simplifies the code (see ConnectLeftDegenerate), and is also - * important for correct handling of certain degenerate cases. - * For example, suppose there are two identical edges A and B - * that belong to different contours (so without this code they would - * be processed by separate sweep events). Suppose another edge C - * crosses A and B from above. When A is processed, we split it - * at its intersection point with C. However this also splits C, - * so when we insert B we may compute a slightly different - * intersection point. This might leave two edges with a small - * gap between them. This kind of error is especially obvious - * when using boundary extraction (GLU_TESS_BOUNDARY_ONLY). - */ - vNext = (GLUvertex) tess.pq.pqExtractMin(); /* __gl_pqSortExtractMin*/ - SpliceMergeVertices(tess, v.anEdge, vNext.anEdge); - } - SweepEvent(tess, v); - } - - /* Set tess.event for debugging purposes */ - /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ - tess.event = ((ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))).eUp.Org; - DebugEvent(tess); - DoneEdgeDict(tess); - DonePriorityQ(tess); - - if (!RemoveDegenerateFaces(tess.mesh)) return false; - Mesh.__gl_meshCheckMesh(tess.mesh); - - return true; - } -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessMono.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessMono.java deleted file mode 100644 index f4c9545a9..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessMono.java +++ /dev/null @@ -1,241 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class TessMono { -/* __gl_meshTessellateMonoRegion( face ) tessellates a monotone region - * (what else would it do??) The region must consist of a single - * loop of half-edges (see mesh.h) oriented CCW. "Monotone" in this - * case means that any vertical line intersects the interior of the - * region in a single interval. - * - * Tessellation consists of adding interior edges (actually pairs of - * half-edges), to split the region into non-overlapping triangles. - * - * The basic idea is explained in Preparata and Shamos (which I don''t - * have handy right now), although their implementation is more - * complicated than this one. The are two edge chains, an upper chain - * and a lower chain. We process all vertices from both chains in order, - * from right to left. - * - * The algorithm ensures that the following invariant holds after each - * vertex is processed: the untessellated region consists of two - * chains, where one chain (say the upper) is a single edge, and - * the other chain is concave. The left vertex of the single edge - * is always to the left of all vertices in the concave chain. - * - * Each step consists of adding the rightmost unprocessed vertex to one - * of the two chains, and forming a fan of triangles from the rightmost - * of two chain endpoints. Determining whether we can add each triangle - * to the fan is a simple orientation test. By making the fan as large - * as possible, we restore the invariant (check it yourself). - */ - static boolean __gl_meshTessellateMonoRegion(GLUface face, boolean avoidDegenerateTris) { - GLUhalfEdge up, lo; - - /* All edges are oriented CCW around the boundary of the region. - * First, find the half-edge whose origin vertex is rightmost. - * Since the sweep goes from left to right, face->anEdge should - * be close to the edge we want. - */ - up = face.anEdge; - assert (up.Lnext != up && up.Lnext.Lnext != up); - - for (; Geom.VertLeq(up.Sym.Org, up.Org); up = up.Onext.Sym) - ; - for (; Geom.VertLeq(up.Org, up.Sym.Org); up = up.Lnext) - ; - lo = up.Onext.Sym; - - boolean mustConnect = false; // hack for avoidDegenerateTris - - while (up.Lnext != lo) { - if (avoidDegenerateTris && !mustConnect) { - // Skip over regions where several vertices are collinear, - // to try to avoid producing degenerate (zero-area) triangles - // - // The "mustConnect" flag is a hack to try to avoid - // skipping too large regions and causing incorrect - // triangulations. This entire modification is overall - // not robust and needs more work - if (Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON) { - // Lines around lo - do { - lo = lo.Onext.Sym; - mustConnect = true; - } while (up.Lnext != lo && - Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON); - } else if (Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON) { - // Lines around up - do { - up = up.Lnext; - mustConnect = true; - } while (up.Lnext != lo && - Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON); - } - - if (up.Lnext == lo) - break; - } - - if (Geom.VertLeq(up.Sym.Org, lo.Org)) { - /* up.Sym.Org is on the left. It is safe to form triangles from lo.Org. - * The EdgeGoesLeft test guarantees progress even when some triangles - * are CW, given that the upper and lower chains are truly monotone. - */ - while (lo.Lnext != up && (Geom.EdgeGoesLeft(lo.Lnext) - || Geom.EdgeSign(lo.Org, lo.Sym.Org, lo.Lnext.Sym.Org) <= 0)) { - GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); - mustConnect = false; - if (tempHalfEdge == null) return false; - lo = tempHalfEdge.Sym; - } - lo = lo.Onext.Sym; - } else { - /* lo.Org is on the left. We can make CCW triangles from up.Sym.Org. */ - while (lo.Lnext != up && (Geom.EdgeGoesRight(up.Onext.Sym) - || Geom.EdgeSign(up.Sym.Org, up.Org, up.Onext.Sym.Org) >= 0)) { - GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(up, up.Onext.Sym); - mustConnect = false; - if (tempHalfEdge == null) return false; - up = tempHalfEdge.Sym; - } - up = up.Lnext; - } - } - - /* Now lo.Org == up.Sym.Org == the leftmost vertex. The remaining region - * can be tessellated in a fan from this leftmost vertex. - */ - assert (lo.Lnext != up); - while (lo.Lnext.Lnext != up) { - GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); - if (tempHalfEdge == null) return false; - lo = tempHalfEdge.Sym; - } - - return true; - } - - -/* __gl_meshTessellateInterior( mesh ) tessellates each region of - * the mesh which is marked "inside" the polygon. Each such region - * must be monotone. - */ - public static boolean __gl_meshTessellateInterior(GLUmesh mesh, boolean avoidDegenerateTris) { - GLUface f, next; - - /*LINTED*/ - for (f = mesh.fHead.next; f != mesh.fHead; f = next) { - /* Make sure we don''t try to tessellate the new triangles. */ - next = f.next; - if (f.inside) { - if (!__gl_meshTessellateMonoRegion(f, avoidDegenerateTris)) return false; - } - } - - return true; - } - - -/* __gl_meshDiscardExterior( mesh ) zaps (ie. sets to NULL) all faces - * which are not marked "inside" the polygon. Since further mesh operations - * on NULL faces are not allowed, the main purpose is to clean up the - * mesh so that exterior loops are not represented in the data structure. - */ - public static void __gl_meshDiscardExterior(GLUmesh mesh) { - GLUface f, next; - - /*LINTED*/ - for (f = mesh.fHead.next; f != mesh.fHead; f = next) { - /* Since f will be destroyed, save its next pointer. */ - next = f.next; - if (!f.inside) { - Mesh.__gl_meshZapFace(f); - } - } - } - - private static final int MARKED_FOR_DELETION = 0x7fffffff; - -/* __gl_meshSetWindingNumber( mesh, value, keepOnlyBoundary ) resets the - * winding numbers on all edges so that regions marked "inside" the - * polygon have a winding number of "value", and regions outside - * have a winding number of 0. - * - * If keepOnlyBoundary is TRUE, it also deletes all edges which do not - * separate an interior region from an exterior one. - */ - public static boolean __gl_meshSetWindingNumber(GLUmesh mesh, int value, boolean keepOnlyBoundary) { - GLUhalfEdge e, eNext; - - for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { - eNext = e.next; - if (e.Sym.Lface.inside != e.Lface.inside) { - - /* This is a boundary edge (one side is interior, one is exterior). */ - e.winding = (e.Lface.inside) ? value : -value; - } else { - - /* Both regions are interior, or both are exterior. */ - if (!keepOnlyBoundary) { - e.winding = 0; - } else { - if (!Mesh.__gl_meshDelete(e)) return false; - } - } - } - return true; - } - -} diff --git a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessState.java b/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessState.java deleted file mode 100644 index 73ac7ebe3..000000000 --- a/src/jogl/classes/com/sun/opengl/impl/glu/tessellator/TessState.java +++ /dev/null @@ -1,59 +0,0 @@ -/* -* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. -* All rights reserved. -*/ - -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 2.0 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** NOTE: The Original Code (as defined below) has been licensed to Sun -** Microsystems, Inc. ("Sun") under the SGI Free Software License B -** (Version 1.1), shown above ("SGI License"). Pursuant to Section -** 3.2(3) of the SGI License, Sun is distributing the Covered Code to -** you under an alternative license ("Alternative License"). This -** Alternative License includes all of the provisions of the SGI License -** except that Section 2.2 and 11 are omitted. Any differences between -** the Alternative License and the SGI License are offered solely by Sun -** and not by SGI. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** Author: Eric Veach, July 1994 -** Java Port: Pepijn Van Eeckhoudt, July 2003 -** Java Port: Nathan Parker Burg, August 2003 -*/ -package com.sun.opengl.impl.glu.tessellator; - -class TessState { - public static final int T_DORMANT = 0; - public static final int T_IN_POLYGON = 1; - public static final int T_IN_CONTOUR = 2; -} -- cgit v1.2.3