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SoIndexedTriangleStripSet.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_SOINDEXEDTRIANGLESTRIPSET_H
00021 #define COIN_SOINDEXEDTRIANGLESTRIPSET_H
00022 
00023 #include <Inventor/nodes/SoSubNode.h>
00024 #include <Inventor/nodes/SoIndexedShape.h>
00025 #ifndef COIN_INTERNAL
00026  // For Open Inventor compatibility.
00027  #include <Inventor/nodes/SoVertexProperty.h>
00028 #endif // !COIN_INTERNAL
00029 
00030 
00031 #define SO_END_STRIP_INDEX (-1)
00032 
00033 class COIN_DLL_API SoIndexedTriangleStripSet : public SoIndexedShape {
00034   typedef SoIndexedShape inherited;
00035 
00036   SO_NODE_HEADER(SoIndexedTriangleStripSet);
00037 
00038 public:
00039   static void initClass(void);
00040   SoIndexedTriangleStripSet(void);
00041 
00042   virtual void GLRender(SoGLRenderAction * action);
00043   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00044   virtual SbBool generateDefaultNormals(SoState * state, SoNormalBundle * nb);
00045 
00046 protected:
00047   virtual ~SoIndexedTriangleStripSet();
00048 
00049   virtual SbBool willSetShadeModel() const;
00050   virtual SbBool generateDefaultNormals(SoState * state, SoNormalCache * nc);
00051   virtual void generatePrimitives(SoAction * action);
00052 
00053 private:
00054   enum Binding {
00055     OVERALL = 0,
00056     PER_STRIP,
00057     PER_STRIP_INDEXED,
00058     PER_TRIANGLE,
00059     PER_TRIANGLE_INDEXED,
00060     PER_VERTEX,
00061     PER_VERTEX_INDEXED
00062   };
00063 
00064   void countPrimitives(int & strips, int & tris);
00065   Binding findMaterialBinding(SoState * const state) const;
00066   Binding findNormalBinding(SoState * const state) const;
00067 };
00068 
00069 #endif // !COIN_SOINDEXEDTRIANGLESTRIPSET_H

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