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00001 #ifndef COIN_SOGLVIEWINGMATRIXELEMENT_H 00002 #define COIN_SOGLVIEWINGMATRIXELEMENT_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/SoViewingMatrixElement.h> 00028 00029 class COIN_DLL_API SoGLViewingMatrixElement : public SoViewingMatrixElement { 00030 typedef SoViewingMatrixElement inherited; 00031 00032 SO_ELEMENT_HEADER(SoGLViewingMatrixElement); 00033 public: 00034 static void initClass(void); 00035 protected: 00036 virtual ~SoGLViewingMatrixElement(); 00037 00038 public: 00039 virtual void init(SoState * state); 00040 00041 virtual void push(SoState * state); 00042 virtual void pop(SoState * state, 00043 const SoElement * prevTopElement); 00044 00045 static uint32_t getNodeId(SoState * const state); 00046 static SbMatrix getResetMatrix(SoState * state); 00047 00048 protected: 00049 virtual void setElt(const SbMatrix & matrix); 00050 00051 private: 00052 SoState * state; 00053 SbMatrix modelmatrix; 00054 SbBool mmidentity; 00055 void updategl(void); 00056 }; 00057 00058 #endif // !COIN_SOGLVIEWINGMATRIXELEMENT_H
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