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SoIndexedFaceSet.h

00001 #ifndef COIN_SOINDEXEDFACESET_H
00002 #define COIN_SOINDEXEDFACESET_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
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 Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See <URL:http://www.coin3d.org> for  more information.
00021  *
00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
00023  *  <URL:http://www.sim.no>.
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoIndexedShape.h>
00029 
00030 #define SO_END_FACE_INDEX (-1)
00031 
00032 class SoIndexedFaceSetP;
00033 
00034 class COIN_DLL_API SoIndexedFaceSet : public SoIndexedShape {
00035   typedef SoIndexedShape inherited;
00036 
00037   SO_NODE_HEADER(SoIndexedFaceSet);
00038 
00039 public:
00040   static void initClass(void);
00041   SoIndexedFaceSet(void);
00042 
00043   virtual void GLRender(SoGLRenderAction * action);
00044   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00045 
00046   virtual SbBool generateDefaultNormals(SoState * state,
00047                                         SoNormalBundle * bundle);
00048   virtual SbBool generateDefaultNormals(SoState * state,
00049                                         SoNormalCache * cache);
00050 
00051 protected:
00052   virtual ~SoIndexedFaceSet();
00053 
00054   virtual void generatePrimitives(SoAction * action);
00055 
00056 private:
00057   enum Binding {
00058     OVERALL = 0,
00059     PER_FACE,
00060     PER_FACE_INDEXED,
00061     PER_VERTEX,
00062     PER_VERTEX_INDEXED,
00063     NONE = OVERALL
00064   };
00065 
00066   SbBool useConvexCache(SoAction * action,
00067                         const SbVec3f * normals,
00068                         const int32_t * nindices,
00069                         const SbBool normalsfromcache);
00070   Binding findMaterialBinding(SoState * const state) const;
00071   Binding findNormalBinding(SoState * const state) const;
00072   virtual void notify(SoNotList * list);
00073 
00074   SoIndexedFaceSetP * pimpl;
00075 };
00076 
00077 #endif // !COIN_SOINDEXEDFACESET_H

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