00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Gavin Bell (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2017 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_TEXTURE_MATRIX_ELEMENT 00051 #define _SO_TEXTURE_MATRIX_ELEMENT 00052 00053 #include <Inventor/SbLinear.h> 00054 #include <Inventor/elements/SoAccumulatedElement.h> 00055 #include <Inventor/STL/vector> 00056 00074 SoEXTENDER_Documented class SoTextureMatrixElement : public SoAccumulatedElement { 00075 00076 SO_ELEMENT_HEADER(SoTextureMatrixElement); 00077 00078 public: 00082 virtual void push(SoState *state); 00083 00087 static void makeIdentity(SoState *state, SoNode *node); 00088 00089 00093 static void set(SoState *state, SoNode *node, const SbMatrix &matrix); 00094 00098 static void mult(SoState *state, SoNode *node, 00099 const SbMatrix &matrix); 00100 00105 static void translateBy(SoState *state, SoNode *node, 00106 const SbVec3f &translation); 00107 00112 static void rotateBy(SoState *state, SoNode *node, 00113 const SbRotation &rotation); 00114 00119 static void scaleBy(SoState *state, SoNode *node, 00120 const SbVec3f &scaleFactor); 00121 00125 static const SbMatrix & get(SoState *state, int unit=0); 00126 00130 virtual void print(FILE *fp) const; 00131 00132 private: 00133 00135 virtual void commonInit(); 00136 00138 virtual void init(SoState *state); 00139 00140 private: 00141 // Initializes the SoTextureMatrixElement class 00142 static void initClass(); 00143 static void exitClass(); 00144 static void emptyMatrix(SoState *state); 00145 00146 private: 00147 // Sets the matrix in an instance to identity 00148 virtual void makeEltIdentity(int unit=0); 00149 00150 // Multiplies into the matrix in an instance 00151 virtual void multElt(const SbMatrix &matrix, int unit=0); 00152 00153 // Each of these performs the appropriate operation on the matrix 00154 // in an instance 00155 virtual void translateEltBy(const SbVec3f &translation, int unit=0); 00156 virtual void rotateEltBy(const SbRotation &translation, int unit=0); 00157 virtual void scaleEltBy(const SbVec3f &scaleFactor, int unit=0); 00158 00159 // Sets the matrix in an instance to given matrix 00160 virtual void setElt(const SbMatrix &matrix, int unit); 00161 00162 // Gets the matrix from an instance 00163 virtual const SbMatrix & getElt(int unit=0) const; 00164 00165 virtual ~SoTextureMatrixElement(); 00166 00167 // return texture matrix for the given texture unit 00168 SbMatrix& getTexMatrix(const int unit) const; 00169 00170 private: 00171 // This stores the list of node id's as pointers associated to 00172 // each texture unit. 00173 typedef std::vector<SbMatrix> SbMatrixList; 00174 mutable SbMatrixList m_textureMatrixList; 00175 }; 00176 00177 #endif /* _SO_TEXTURE_MATRIX_ELEMENT */ 00178 00179 00180