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SoVertexShape.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 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, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SOVERTEXSHAPE_H 00021 #define COIN_SOVERTEXSHAPE_H 00022 00023 #include <Inventor/nodes/SoSubNode.h> 00024 #include <Inventor/nodes/SoShape.h> 00025 #include <Inventor/fields/SoSFNode.h> 00026 #ifndef COIN_INTERNAL 00027 // For Open Inventor compatibility. 00028 #include <Inventor/nodes/SoVertexProperty.h> 00029 #endif // !COIN_INTERNAL 00030 00031 00032 class SoNormalCache; 00033 class SoNormalBundle; 00034 class SbVec3f; 00035 class SoTextureCoordinateElement; 00036 class SoCoordinateElement; 00037 00038 00039 class COIN_DLL_API SoVertexShape : public SoShape { 00040 typedef SoShape inherited; 00041 00042 SO_NODE_ABSTRACT_HEADER(SoVertexShape); 00043 00044 public: 00045 static void initClass(void); 00046 00047 SoSFNode vertexProperty; 00048 00049 virtual void notify(SoNotList * nl); 00050 virtual SbBool generateDefaultNormals(SoState * state, 00051 SoNormalBundle * bundle); 00052 virtual SbBool generateDefaultNormals(SoState * state, 00053 SoNormalCache * cache); 00054 virtual void write(SoWriteAction * action); 00055 00056 protected: 00057 SoVertexShape(void); 00058 virtual ~SoVertexShape(); 00059 00060 virtual SbBool shouldGLRender(SoGLRenderAction * action); 00061 00062 void setNormalCache(SoState * const state, 00063 const int num, const SbVec3f * normals); 00064 SoNormalCache * getNormalCache(void) const; 00065 00066 void generateNormals(SoState * const state); 00067 void getVertexData(SoState * state, 00068 const SoCoordinateElement *& coords, 00069 const SbVec3f *& normals, 00070 const SbBool neednormals); 00071 00072 private: 00073 SoNormalCache * normalcache; 00074 }; 00075 00076 #endif // !COIN_SOVERTEXSHAPE_H

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