src/glu/sgi/libnurbs/nurbtess/sampleCompRight.h

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 **
  34 */
  35 /*
  36 */
  37
  38 #ifndef _SAMPLECOMPRIGHT_H
  39 #define _SAMPLECOMPRIGHT_H
  40
  41 #define NOT_TAKEOUT
  42
  43 #include "sampleMonoPoly.h"
  44 void stripOfFanRight(vertexArray* rightChain,
  45                     Int largeIndex,
  46                     Int smallIndex,
  47                     gridWrap* grid,
  48                     Int vlineIndex,
  49                     Int ulineSmallIndex,
  50                     Int ulineLargeIndex,
  51                     primStream* pStream,
  52                     Int gridLineUp /*1 if grid line is above the trim lines */
  53                      );
  54
  55 #ifdef NOT_TAKEOUT
  56 void sampleRightStripRecF(vertexArray* rightChain,
  57                      Int topRightIndex,
  58                      Int botRightIndex,
  59                      gridBoundaryChain* rightGridChain,
  60                      Int rightGridChainStartIndex,
  61                      Int rightGridChainEndIndex,
  62                      primStream* pStream
  63                      );
  64 //the degenerate case of sampleRightOneGridStep
  65 void sampleRightOneGridStepNoMiddle(vertexArray* rightChain,
  66                                     Int beginRightIndex,
  67                                     Int endRightIndex,
  68                                     gridBoundaryChain* rightGridChain,
  69                                     Int rightGridChainStartIndex,
  70                                     primStream* pStream);
  71 //sampling the right area in between two grid lines
  72 //shape: _________|
  73 void sampleRightOneGridStep(vertexArray* rightChain,
  74                             Int beginRightIndex,
  75                             Int endRightIndex,
  76                             gridBoundaryChain* rightGridChain,
  77                             Int rightGridChainStartIndex,
  78                             primStream* pStream);
  79 void sampleRightSingleTrimEdgeRegion(Real upperVert[2], Real lowerVert[2],
  80                                      gridBoundaryChain* gridChain,
  81                                      Int beginIndex,
  82                                      Int endIndex,
  83                                      primStream* pStream);
  84 //the degenerate case of sampleRightOneGridStep
  85 void sampleRightOneGridStepNoMiddle(vertexArray* rightChain,
  86                                     Int beginRightIndex,
  87                                     Int endRightIndex,
  88                                     gridBoundaryChain* rightGridChain,
  89                                     Int rightGridChainStartIndex,
  90                                     primStream* pStream);
  91
  92 void sampleCompRight(Real* topVertex, Real* botVertex,
  93                     vertexArray* leftChain,
  94                     Int leftStartIndex, Int leftEndIndex,
  95                     vertexArray* rightChain,
  96                     Int rightStartIndex, Int rightEndIndex,
  97                     gridBoundaryChain* rightGridChain,
  98                     Int gridIndex1, Int gridIndex2,
  99                     Int up_leftCornerWhere,
 100                     Int up_leftCornerIndex,
 101                     Int down_leftCornerWhere,
 102                     Int down_leftCornerIndex,
 103                     primStream* pStream);
 104
 105 void sampleRightSingleTrimEdgeRegionGen(Real topVert[2], Real botVert[2],
 106                                        vertexArray* rightChain,
 107                                        Int rightStart,
 108                                        Int rightEnd,
 109                                        gridBoundaryChain* gridChain,
 110                                        Int gridBegindex,
 111                                        Int gridEndIndex,
 112                                        vertexArray* leftChain,
 113                                        Int leftUpBegin,
 114                                        Int leftUpEnd,
 115                                        Int leftDownBegin,
 116                                        Int leftDownEnd,
 117                                        primStream* pStream);
 118 #endif
 119
 120 #endif
 121
 122