dll/opengl/glu32/src/libnurbs/nurbtess/polyDBG.h

   1 /*
   2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
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   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice including the dates of first publication and
  13  * either this permission notice or a reference to
  14  * http://oss.sgi.com/projects/FreeB/
  15  * shall be included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  26  * shall not be used in advertising or otherwise to promote the sale, use or
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  29  */
  30 /*
  31 */
  32
  33 #ifndef _POLYDBG_H
  34 #define _POLYDBG_H
  35
  36 #include "definitions.h"
  37 #include "directedLine.h"
  38 #include "monoTriangulation.h"
  39
  40 Int DBG_edgesIntersectGen(Real A[2], Real B[2], Real C[2], Real D[2]);
  41 Int DBG_intersectChain(vertexArray* chain, Int start, Int end, Real A[2], Real B[2]);
  42
  43
  44 Int DBG_edgesIntersect(directedLine* l1, directedLine* l2);
  45 Int DBG_polygonSelfIntersect(directedLine* poly);
  46 Int DBG_edgeIntersectPoly(directedLine* edge, directedLine* poly);
  47 Int DBG_polygonsIntersect(directedLine* p1, directedLine* p2);
  48 Int DBG_polygonListIntersect(directedLine* pList);
  49
  50 Int DBG_isCounterclockwise(directedLine* poly);
  51 Int DBG_rayIntersectEdge(Real v0[2], Real dx, Real dy, Real v10[2], Real v1[2], Real v2[2]);
  52 Int DBG_pointInsidePoly(Real v[2], directedLine* poly);
  53 Int DBG_enclosingPolygons(directedLine* poly, directedLine* list);
  54 void  DBG_reverse(directedLine* poly);
  55 Int DBG_check(directedLine *polyList);
  56
  57 Int DBG_isConvex(directedLine *poly);
  58 Int DBG_is_U_direction(directedLine *poly);
  59 Int DBG_is_U_monotone(directedLine* poly);
  60
  61 directedLine* DBG_cutIntersectionAllPoly(directedLine* list);
  62 directedLine* DBG_cutIntersectionPoly(directedLine *polygon, int& cutOccur);
  63
  64 sampledLine*  DBG_collectSampledLinesAllPoly(directedLine *polygonList);
  65
  66 void  DBG_collectSampledLinesPoly(directedLine *polygon, sampledLine*& retHead, sampledLine*& retTail);
  67
  68 #endif