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SoGLMultiTextureImageElement.h

00001 #ifndef COIN_SOGLMULTITEXTUREIMAGEELEMENT_H
00002 #define COIN_SOGLMULTITEXTUREIMAGEELEMENT_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/SoMultiTextureImageElement.h>
00028 
00029 class SoGLImage;
00030 class SoGLDisplayList;
00031 class SoGLMultiTextureImageElementP;
00032 
00033 class COIN_DLL_API SoGLMultiTextureImageElement : public SoMultiTextureImageElement {
00034   typedef SoMultiTextureImageElement inherited;
00035 
00036   SO_ELEMENT_HEADER(SoGLMultiTextureImageElement);
00037 public:
00038   static void initClass(void);
00039 protected:
00040   virtual ~SoGLMultiTextureImageElement();
00041 
00042 public:
00043   virtual void init(SoState * state);
00044   virtual void push(SoState * state);
00045   virtual void pop(SoState * state,
00046                    const SoElement * prevTopElement);
00047   
00048   static void set(SoState * const state, SoNode * const node,
00049                   const int unit,
00050                   SoGLImage * image, const SoTextureImageElement::Model model,
00051                   const SbColor & blendColor);
00052 
00053   static void restore(SoState * state, const int unit);
00054   
00055   static SoGLImage * get(SoState * state, 
00056                          const int unit,
00057                          SoTextureImageElement::Model & model,
00058                          SbColor & blendcolor);
00059   
00060   class GLUnitData {
00061   public:
00062     SoGLImage * glimage;
00063   };
00064   static SbBool hasTransparency(SoState * state);
00065 protected:
00066   virtual SbBool hasTransparency(const int unit) const;
00067 
00068 private:
00069   void updateGL(const int unit);
00070   SoGLMultiTextureImageElementP * pimpl;
00071 };
00072 
00073 #endif // !COIN_SOGLMULTITEXTUREIMAGEELEMENT_H

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