00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2002 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, Prof Brochs gate 6, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SOTEXTURECOORDINATEPLANE_H 00021 #define COIN_SOTEXTURECOORDINATEPLANE_H 00022 00023 #include <Inventor/nodes/SoSubNode.h> 00024 #include <Inventor/nodes/SoTextureCoordinateFunction.h> 00025 #include <Inventor/fields/SoSFVec3f.h> 00026 #include <Inventor/SbVec4f.h> 00027 #include <Inventor/SbVec3f.h> 00028 00029 class COIN_DLL_API SoTextureCoordinatePlane : public SoTextureCoordinateFunction { 00030 typedef SoTextureCoordinateFunction inherited; 00031 00032 SO_NODE_HEADER(SoTextureCoordinatePlane); 00033 00034 public: 00035 static void initClass(void); 00036 SoTextureCoordinatePlane(void); 00037 00038 SoSFVec3f directionS; 00039 SoSFVec3f directionT; 00040 00041 virtual void doAction(SoAction * action); 00042 virtual void GLRender(SoGLRenderAction * action); 00043 virtual void pick(SoPickAction * action); 00044 virtual void callback(SoCallbackAction * action); 00045 00046 protected: 00047 virtual ~SoTextureCoordinatePlane(); 00048 00049 private: 00050 static const SbVec4f &generate(void *userdata, 00051 const SbVec3f &p, 00052 const SbVec3f &n); 00053 static void handleTexgen(void *data); 00054 00055 // Note: Microsoft Visual C++ 6.0 needs to have a type definition 00056 // and an explicit variable declaration, just using 00057 // "struct { ... } gencache;" won't do. 00058 typedef struct { 00059 SbVec3f s, t; 00060 float mul_s, mul_t; 00061 SbVec4f ret; 00062 } gencache_t; 00063 gencache_t gencache; 00064 }; 00065 00066 #endif // !COIN_SOTEXTURECOORDINATEPLANE_H