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SoNormalCache.h
00001 #ifndef COIN_SONORMALCACHE_H
00002 #define COIN_SONORMALCACHE_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/SbVec3f.h>
00028 #include <Inventor/caches/SoCache.h>
00029 #include <Inventor/system/inttypes.h>
00030 
00031 class SoNormalGenerator;
00032 class SoNormalCacheP;
00033 
00034 class COIN_DLL_API SoNormalCache : public SoCache {
00035   typedef SoCache inherited;
00036 
00037 public:
00038   SoNormalCache(SoState * const state);
00039   virtual ~SoNormalCache();
00040 
00041   void set(const int num, const SbVec3f * const normals);
00042   void set(SoNormalGenerator *generator);
00043 
00044   int getNum(void) const;
00045   const SbVec3f *getNormals(void) const;
00046 
00047   int getNumIndices(void) const;
00048   const int32_t *getIndices(void) const;
00049 
00050   void generatePerVertex(const SbVec3f * const coords,
00051                          const unsigned int numcoords,
00052                          const int32_t *coordindices,
00053                          const int numcoordindices,
00054                          const float crease_angle,
00055                          const SbVec3f *facenormals = NULL,
00056                          const int numfacenormals = -1,
00057                          const SbBool ccw = TRUE,
00058                          const SbBool tristrip = FALSE);
00059 
00060 
00061   void generatePerFace(const SbVec3f * const coords,
00062                        const unsigned int numcoords,
00063                        const int32_t *coordindices,
00064                        const int numcoorindices,
00065                        const SbBool ccw);
00066 
00067   void generatePerFaceStrip(const SbVec3f * const coords,
00068                             const unsigned int numcoords,
00069                             const int32_t *coordindices,
00070                             const int numcoorindices,
00071                             const SbBool ccw);
00072 
00073   void generatePerStrip(const SbVec3f * const coords,
00074                         const unsigned int numcoords,
00075                         const int32_t *coordindices,
00076                         const int numcoorindices,
00077                         const SbBool ccw);
00078 
00079   void generatePerVertexQuad(const SbVec3f * const coords,
00080                              const unsigned int numcoords,
00081                              const int vPerRow,
00082                              const int vPerColumn,
00083                              const SbBool ccw);
00084 
00085   void generatePerFaceQuad(const SbVec3f * const coords,
00086                            const unsigned int numcoords,
00087                            const int vPerRow,
00088                            const int vPerColumn,
00089                            const SbBool ccw);
00090 
00091   void generatePerRowQuad(const SbVec3f * const coords,
00092                           const unsigned int numcoords,
00093                           const int vPerRow,
00094                           const int vPerColumn,
00095                           const SbBool ccw);
00096 
00097 private:
00098   SoNormalCacheP * pimpl;
00099   void clearGenerator(void);
00100 };
00101 
00102 #endif // !COIN_SONORMALCACHE_H

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