From 4195f8984ec08d9c5d4a4794728a046af9f0924b Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Thu, 21 Aug 2003 19:09:45 +0000
Subject: GLU tesselator port by Pepijn Van Eeckhoudt and Nathan Parker Burg.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@57 232f8b59-042b-4e1e-8c03-345bb8c30851
---
.../games/jogl/impl/tesselator/GLUhalfEdge.java | 63 ++++++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 src/net/java/games/jogl/impl/tesselator/GLUhalfEdge.java
(limited to 'src/net/java/games/jogl/impl/tesselator/GLUhalfEdge.java')
diff --git a/src/net/java/games/jogl/impl/tesselator/GLUhalfEdge.java b/src/net/java/games/jogl/impl/tesselator/GLUhalfEdge.java
new file mode 100644
index 000000000..8e2abcb78
--- /dev/null
+++ b/src/net/java/games/jogl/impl/tesselator/GLUhalfEdge.java
@@ -0,0 +1,63 @@
+/*
+* Portions Copyright (C) 2003 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 1.1 (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.
+**
+** Author: Eric Veach, July 1994
+** Java Port: Pepijn Van Eeckhoudt, July 2003
+** Java Port: Nathan Parker Burg, August 2003
+*/
+package net.java.games.jogl.impl.tesselator;
+
+
+
+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 net.java.games.jogl.impl.tesselator.GLUface Lface; /* left face */
+
+ /* Internal data (keep hidden) */
+ public net.java.games.jogl.impl.tesselator.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;
+ }
+}
--
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