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00001 #ifndef COIN_SONORMALELEMENT_H 00002 #define COIN_SONORMALELEMENT_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/elements/SoReplacedElement.h> 00028 #include <Inventor/SbVec3f.h> 00029 #include <assert.h> 00030 00031 class COIN_DLL_API SoNormalElement : public SoReplacedElement { 00032 typedef SoReplacedElement inherited; 00033 00034 SO_ELEMENT_HEADER(SoNormalElement); 00035 public: 00036 static void initClass(void); 00037 protected: 00038 virtual ~SoNormalElement(); 00039 00040 public: 00041 virtual void init(SoState * state); 00042 00043 static void set(SoState * const state, SoNode * const node, 00044 const int32_t numNormals, const SbVec3f * const normals, 00045 const SbBool normalsAreUnitLength = FALSE); 00046 00047 static const SoNormalElement * getInstance(SoState * const state); 00048 int32_t getNum(void) const; 00049 const SbVec3f & get(const int index) const; 00050 const SbVec3f *getArrayPtr(void) const; 00051 00052 SbBool areNormalsUnitLength(void) const; 00053 00054 protected: 00055 int32_t numNormals; 00056 const SbVec3f * normals; 00057 SbBool unitLength; 00058 }; 00059 00060 #endif // !COIN_SONORMALELEMENT_H
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