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# SoTextureCoordinatePlane.h

    00001 #ifndef COIN_SOTEXTURECOORDINATEPLANE_H
    00002 #define COIN_SOTEXTURECOORDINATEPLANE_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    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 Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/nodes/SoSubNode.h>
    00028 #include <Inventor/nodes/SoTextureCoordinateFunction.h>
    00029 #include <Inventor/fields/SoSFVec3f.h>
    00030 #include <Inventor/SbVec4f.h>
    00031 #include <Inventor/SbVec3f.h>
    00032
    00033 class COIN_DLL_API SoTextureCoordinatePlane : public SoTextureCoordinateFunction {
    00034   typedef SoTextureCoordinateFunction inherited;
    00035
    00036   SO_NODE_HEADER(SoTextureCoordinatePlane);
    00037
    00038 public:
    00039   static void initClass(void);
    00040   SoTextureCoordinatePlane(void);
    00041
    00042   SoSFVec3f directionS;
    00043   SoSFVec3f directionT;
    00044
    00045   virtual void doAction(SoAction * action);
    00046   virtual void GLRender(SoGLRenderAction * action);
    00047   virtual void pick(SoPickAction * action);
    00048   virtual void callback(SoCallbackAction * action);
    00049
    00050 protected:
    00051   virtual ~SoTextureCoordinatePlane();
    00052
    00053 private:
    00054   static const SbVec4f &generate(void *userdata,
    00055                                  const SbVec3f &p,
    00056                                  const SbVec3f &n);
    00057   static void handleTexgen(void *data);
    00058
    00059   // Note: Microsoft Visual C++ 6.0 needs to have a type definition
    00060   // and an explicit variable declaration, just using
    00061   // "struct { ... } gencache;" won't do.
    00062   typedef struct {
    00063     SbVec3f s, t;
    00064     float mul_s, mul_t;
    00065     SbVec4f ret;
    00066   } gencache_t;
    00067
    00068   gencache_t gencache;
    00069 };
    00070
    00071 #endif // !COIN_SOTEXTURECOORDINATEPLANE_H