Merged JSR-231 branch on to the main JOGL trunk. The main trunk now

contains the evolving JSR-231 Reference Implementation and the JSR-231
branch is permanently closed.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@401 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 58 insertions, 0 deletions

diff --git a/src/classes/com/sun/opengl/impl/tessellator/ActiveRegion.java b/src/classes/com/sun/opengl/impl/tessellator/ActiveRegion.java
new file mode 100644
index 000000000..b626157fe
--- /dev/null
+++ b/src/classes/com/sun/opengl/impl/tessellator/ActiveRegion.java
@@ -0,0 +1,58 @@
+/*
+* 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 com.sun.opengl.impl.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) */
+}