diff options
Diffstat (limited to 'src/glu/sgi/libnurbs/nurbtess/polyDBG.h')
| -rw-r--r-- | src/glu/sgi/libnurbs/nurbtess/polyDBG.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/glu/sgi/libnurbs/nurbtess/polyDBG.h b/src/glu/sgi/libnurbs/nurbtess/polyDBG.h new file mode 100644 index 00000000000..a5125a50d18 --- /dev/null +++ b/src/glu/sgi/libnurbs/nurbtess/polyDBG.h @@ -0,0 +1,75 @@ +/* +** 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. +** +** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $ +*/ +/* +** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/polyDBG.h,v 1.1 2001/03/17 00:25:41 brianp Exp $ +*/ + +#ifndef _POLYDBG_H +#define _POLYDBG_H + +#include "definitions.h" +#include "directedLine.h" +#include "monoTriangulation.h" + +Int DBG_edgesIntersectGen(Real A[2], Real B[2], Real C[2], Real D[2]); +Int DBG_intersectChain(vertexArray* chain, Int start, Int end, Real A[2], Real B[2]); + + +Int DBG_edgesIntersect(directedLine* l1, directedLine* l2); +Int DBG_polygonSelfIntersect(directedLine* poly); +Int DBG_edgeIntersectPoly(directedLine* edge, directedLine* poly); +Int DBG_polygonsIntersect(directedLine* p1, directedLine* p2); +Int DBG_polygonListIntersect(directedLine* pList); + +Int DBG_isCounterclockwise(directedLine* poly); +Int DBG_rayIntersectEdge(Real v0[2], Real dx, Real dy, Real v10[2], Real v1[2], Real v2[2]); +Int DBG_pointInsidePoly(Real v[2], directedLine* poly); +Int DBG_enclosingPolygons(directedLine* poly, directedLine* list); +void DBG_reverse(directedLine* poly); +Int DBG_check(directedLine *polyList); + +Int DBG_isConvex(directedLine *poly); +Int DBG_is_U_direction(directedLine *poly); +Int DBG_is_U_monotone(directedLine* poly); + +directedLine* DBG_cutIntersectionAllPoly(directedLine* list); +directedLine* DBG_cutIntersectionPoly(directedLine *polygon, int& cutOccur); + +sampledLine* DBG_collectSampledLinesAllPoly(directedLine *polygonList); + +void DBG_collectSampledLinesPoly(directedLine *polygon, sampledLine*& retHead, sampledLine*& retTail); + +#endif |