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SoTextureCoordinateBundle.h
00001 #ifndef COIN_SOTEXTURECOORDINATEBUNDLE_H
00002 #define COIN_SOTEXTURECOORDINATEBUNDLE_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/bundles/SoBundle.h>
00028 #include <Inventor/SbBasic.h>
00029 #include <Inventor/system/inttypes.h>
00030 #include <Inventor/elements/SoGLTextureCoordinateElement.h>
00031 
00032 #include <Inventor/SbVec4f.h>
00033 
00034 class SoTextureCoordinateElement;
00035 class SoGLTextureCoordinateElement;
00036 class SoTextureCoordinateCache;
00037 class SoShape;
00038 
00039 
00040 class COIN_DLL_API SoTextureCoordinateBundle : public SoBundle {
00041   typedef SoBundle inherited;
00042 public:
00043   SoTextureCoordinateBundle(SoAction * const action,
00044                             const SbBool forRendering,
00045                             const SbBool setUpDefault = TRUE);
00046   ~SoTextureCoordinateBundle();
00047 
00048   SbBool needCoordinates(void) const;
00049   SbBool isFunction(void) const;
00050 
00051   const SbVec4f &get(const int index);
00052   const SbVec4f &get(const SbVec3f &point, const SbVec3f &normal);
00053 
00054   void send(const int index) const {
00055     glElt->send(index);
00056   }
00057   void send(const int index, const SbVec3f &point,
00058             const SbVec3f &normal) const {
00059     glElt->send(index, point, normal);
00060   }
00061 
00062   SbBool needIndices(void) const;
00063 
00064 private:
00065   const SoTextureCoordinateElement *coordElt;
00066   const SoGLTextureCoordinateElement *glElt;
00067   unsigned int flags;
00068 
00069   // misc stuff for default texture coordinate mappping
00070   static const SbVec4f & defaultCB(void * userdata,
00071                                    const SbVec3f & point,
00072                                    const SbVec3f & normal);
00073   static const SbVec4f & defaultCBMulti(void * userdata,
00074                                         const SbVec3f & point,
00075                                         const SbVec3f & normal);
00076   SoShape * shapenode;
00077   SbVec3f defaultorigo;
00078   SbVec3f defaultsize;
00079   SbVec4f dummyInstance;
00080   int defaultdim0, defaultdim1;
00081   void initDefaultCallback(SoAction * action);
00082   void initDefault(SoAction * const action, const SbBool forRendering);
00083   void initDefaultMulti(SoAction * action, const int unit);
00084 };
00085 
00086 
00087 #endif // !COIN_SOTEXTURECOORDINATEBUNDLE_H

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