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SoGLPointSizeElement.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_SOGLPOINTSIZEELEMENT_H 00021 #define COIN_SOGLPOINTSIZEELEMENT_H 00022 00023 #include <Inventor/SbVec2f.h> 00024 #include <Inventor/elements/SoPointSizeElement.h> 00025 00026 00027 class COIN_DLL_API SoGLPointSizeElement : public SoPointSizeElement { 00028 typedef SoPointSizeElement inherited; 00029 00030 SO_ELEMENT_HEADER(SoGLPointSizeElement); 00031 00032 public: 00033 static void initClass(void); 00034 protected: 00035 virtual ~SoGLPointSizeElement(); 00036 00037 public: 00038 virtual void init(SoState * state); 00039 00040 virtual void push(SoState * state); 00041 virtual void pop(SoState * state, const SoElement * prevTopElement); 00042 00043 virtual void lazyEvaluate(void) const; 00044 virtual SbBool isLazy(void) const; 00045 00046 protected: 00047 virtual void setElt(float size); 00048 00049 private: 00050 // FIXME: use native types, in this case an SbVec2f. Can't be fixed 00051 // without breaking ABI compatibility, though, so wait until Coin 00052 // version 2. 20010823 mortene. 00053 static float sizerange[2]; 00054 00055 float current; 00056 void updategl(); 00057 }; 00058 00059 #endif // !COIN_SOGLPOINTSIZEELEMENT_H

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