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SoIndexedFaceSet.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOINDEXEDFACESET_H
00021 #define COIN_SOINDEXEDFACESET_H
00022 
00023 #include <Inventor/nodes/SoSubNode.h>
00024 #include <Inventor/nodes/SoIndexedShape.h>
00025 
00026 #define SO_END_FACE_INDEX (-1)
00027 
00028 
00029 class SoConvexDataCache;
00030 
00031 class COIN_DLL_API SoIndexedFaceSet : public SoIndexedShape {
00032   typedef SoIndexedShape inherited;
00033 
00034   SO_NODE_HEADER(SoIndexedFaceSet);
00035 
00036 public:
00037   static void initClass(void);
00038   SoIndexedFaceSet(void);
00039 
00040   virtual void GLRender(SoGLRenderAction * action);
00041   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00042 
00043   virtual SbBool generateDefaultNormals(SoState * state,
00044                                         SoNormalBundle * bundle);
00045   virtual SbBool generateDefaultNormals(SoState * state,
00046                                         SoNormalCache * cache);
00047 
00048 
00049 protected:
00050   virtual ~SoIndexedFaceSet();
00051 
00052   virtual void generatePrimitives(SoAction * action);
00053 
00054 private:
00055   enum Binding {
00056     OVERALL = 0,
00057     PER_FACE,
00058     PER_FACE_INDEXED,
00059     PER_VERTEX,
00060     PER_VERTEX_INDEXED,
00061     NONE = OVERALL
00062   };
00063 
00064   SbBool useConvexCache(SoAction * action);
00065   Binding findMaterialBinding(SoState * const state) const;
00066   Binding findNormalBinding(SoState * const state) const;
00067   virtual void notify(SoNotList * list);
00068   SoConvexDataCache * convexCache;
00069   int concavestatus;
00070 };
00071 
00072 #endif // !COIN_SOINDEXEDFACESET_H

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