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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 : Paul S. Strauss (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) 1996-2020 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_PACKED_COLOR_ 00051 #define _SO_PACKED_COLOR_ 00052 00053 #include <Inventor/fields/SoMFUInt32.h> 00054 #include <Inventor/fields/SoSFBool.h> 00055 #include <Inventor/nodes/SoNode.h> 00056 #include <Inventor/caches/SoNodeDependencies.h> 00057 00058 class SoColorPacker; 00059 00061 // 00062 // Class: SoPackedColor 00063 // 00064 // Surface base color (of material) node. This affects the diffuse 00065 // color and transparency of the current material. Colors are packed 00066 // into uint32_ts as 0xaabbggrr. The alpha value is used for 00067 // transparency. 00068 // 00070 00117 class SoPackedColor : public SoNode { 00118 00119 SO_NODE_HEADER(SoPackedColor); 00120 00121 public: 00122 // Fields 00127 SoMFUInt32 orderedRGBA; 00128 00132 SoPackedColor(); 00133 00138 inline virtual void setOverride(const SbBool state) 00139 { override.setValue(state); } 00140 00144 inline virtual SbBool isOverride() const 00145 { return override.getValue(); } 00146 00147 private: 00148 virtual void doAction(SoAction *action); 00149 virtual void GLRender(SoGLRenderAction *action); 00150 virtual void callback(SoCallbackAction *action); 00151 SbBool isTransparent() 00152 {return transparent;} 00153 00154 private: 00155 static void initClass(); 00156 static void exitClass(); 00157 00158 SoSFBool override; 00159 00160 // check for transparency when field changes. 00161 virtual void notify(SoNotList *list); 00162 00163 private: 00164 virtual ~SoPackedColor(); 00165 00166 private: 00167 // store whether transparent or not 00168 SbBool transparent; 00169 00170 void computeReplacementColors(SoState* state); 00171 void updateTransparencies(SoState* state); 00172 00173 SoRef<SoNodeDependencies> m_replacementColorDependencies; 00174 std::vector<uint32_t> m_replacementColors; 00175 std::vector<float> m_cachedTransparencies; 00176 00177 }; 00178 00179 #endif /* _SO_PACKED_COLOR_ */ 00180 00181