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75 lines
3.3 KiB
C
75 lines
3.3 KiB
C
/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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**
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** $Date$ $Revision: 1.1 $
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*/
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/*
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** $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/nurbtess/polyDBG.h,v 1.1 2004/02/02 16:39:13 navaraf Exp $
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*/
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#ifndef _POLYDBG_H
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#define _POLYDBG_H
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#include "definitions.h"
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#include "directedLine.h"
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#include "monoTriangulation.h"
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Int DBG_edgesIntersectGen(Real A[2], Real B[2], Real C[2], Real D[2]);
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Int DBG_intersectChain(vertexArray* chain, Int start, Int end, Real A[2], Real B[2]);
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Int DBG_edgesIntersect(directedLine* l1, directedLine* l2);
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Int DBG_polygonSelfIntersect(directedLine* poly);
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Int DBG_edgeIntersectPoly(directedLine* edge, directedLine* poly);
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Int DBG_polygonsIntersect(directedLine* p1, directedLine* p2);
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Int DBG_polygonListIntersect(directedLine* pList);
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Int DBG_isCounterclockwise(directedLine* poly);
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Int DBG_rayIntersectEdge(Real v0[2], Real dx, Real dy, Real v10[2], Real v1[2], Real v2[2]);
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Int DBG_pointInsidePoly(Real v[2], directedLine* poly);
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Int DBG_enclosingPolygons(directedLine* poly, directedLine* list);
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void DBG_reverse(directedLine* poly);
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Int DBG_check(directedLine *polyList);
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Int DBG_isConvex(directedLine *poly);
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Int DBG_is_U_direction(directedLine *poly);
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Int DBG_is_U_monotone(directedLine* poly);
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directedLine* DBG_cutIntersectionAllPoly(directedLine* list);
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directedLine* DBG_cutIntersectionPoly(directedLine *polygon, int& cutOccur);
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sampledLine* DBG_collectSampledLinesAllPoly(directedLine *polygonList);
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void DBG_collectSampledLinesPoly(directedLine *polygon, sampledLine*& retHead, sampledLine*& retTail);
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#endif
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