1 files changed, 113 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
new file mode 100644
index 000000000..c1fec10b8
--- /dev/null
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
@@ -0,0 +1,113 @@
+package com.jogamp.graph.curve.opengl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+
+import javax.media.opengl.GL2ES2;
+
+import com.jogamp.graph.curve.OutlineShape;
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.curve.RegionFactory;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.geom.Vertex;
+
+public abstract class RegionRenderer extends Renderer {
+    
+    /** Create a Hardware accelerated Curve Region Renderer
+     */
+    public static RegionRenderer create(Vertex.Factory<? extends Vertex> factory, int type) {
+        return new jogamp.graph.curve.opengl.RegionRendererImpl01(factory, type);
+    }
+    
+    public RegionRenderer(Vertex.Factory<? extends Vertex> factory, int type) {
+        super(factory, type);
+    }
+    
+    /** Render an array of {@link OutlineShape}s combined in one region
+     *  at the position provided the triangles of the 
+     *  shapes will be generated, if not yet generated
+     * @param outlineShapes array of OutlineShapes to Render.
+     * @param position the initial translation of the outlineShapes.
+     * @param texSize texture size for multipass render     * 
+     * @throws Exception if HwRegionRenderer not initialized
+     */
+    public abstract void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize);
+
+    /** Render an {@link OutlineShape} in 3D space at the position provided
+     *  the triangles of the shapes will be generated, if not yet generated
+     * @param outlineShape the OutlineShape to Render.
+     * @param position the initial translation of the outlineShape. 
+     * @param texSize texture size for multipass render
+     * @throws Exception if HwRegionRenderer not initialized
+     */
+    public abstract void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize);
+
+    protected HashMap<Integer, Region> regions = new HashMap<Integer, Region>();
+
+    public void flushCache() {
+        Iterator<Region> iterator = regions.values().iterator();
+        while(iterator.hasNext()){
+            Region region = iterator.next();
+            region.destroy();
+        }
+        regions.clear();
+    }       
+
+    /** Create an ogl {@link Region} defining this {@link OutlineShape}
+     * @param sharpness parameter for Region generation
+     * @return the resulting Region.
+     */
+    protected Region createRegion(GL2ES2 gl, OutlineShape outlineShape, float sharpness) {
+        Region region = RegionFactory.create(gl.getContext(), st, renderType);
+        
+        outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS);
+        
+        ArrayList<Triangle> triangles = (ArrayList<Triangle>) outlineShape.triangulate(sharpness);
+        ArrayList<Vertex> vertices = (ArrayList<Vertex>) outlineShape.getVertices();
+        region.addVertices(vertices);
+        region.addTriangles(triangles);
+        
+        region.update();
+        return region;
+    }
+    
+    /** Create an ogl {@link Region} defining the list of {@link OutlineShape}.
+     * Combining the Shapes into single buffers.
+     * @param sharpness parameter for Region generation
+     * @return the resulting Region inclusive the generated region
+     */
+    protected Region createRegion(GL2ES2 gl, OutlineShape[] outlineShapes, float sharpness) {
+        Region region = RegionFactory.create(gl.getContext(), st, renderType);
+        
+        int numVertices = region.getNumVertices();
+        
+        for(OutlineShape outlineShape:outlineShapes){
+            outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS);
+
+            ArrayList<Triangle> triangles = outlineShape.triangulate(sharpness);
+            region.addTriangles(triangles);
+            
+            ArrayList<Vertex> vertices = outlineShape.getVertices();
+            for(Vertex vert:vertices){
+                vert.setId(numVertices++);
+            }
+            region.addVertices(vertices);
+        }
+        
+        region.update();
+        return region;
+    }
+    
+    protected static int getHashCode(OutlineShape outlineShape){
+        return outlineShape.hashCode();
+    }
+    
+    protected static int getHashCode(OutlineShape[] outlineShapes){
+        int hashcode = 0;
+        for(OutlineShape outlineShape:outlineShapes){
+            hashcode += getHashCode(outlineShape);
+        }
+        return hashcode;
+    }       
+}
+\ No newline at end of file