00001 /*======================================================================= 00002 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00003 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00004 *** *** 00005 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00006 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00007 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00008 *** *** 00009 *** RESTRICTED RIGHTS LEGEND *** 00010 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00011 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00012 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00013 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00014 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00015 *** *** 00016 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00017 *** BORDEAUX, FRANCE *** 00018 *** ALL RIGHTS RESERVED *** 00019 **=======================================================================*/ 00020 /*======================================================================= 00021 ** Author : Nicolas DAGUISE (Dec 2008) 00022 **=======================================================================*/ 00023 00024 00025 #ifndef SO_DEPTH_OFFSET_H 00026 #define SO_DEPTH_OFFSET_H 00027 00028 #include <Inventor/nodes/SoNode.h> 00029 #include <Inventor/fields/SoSFFloat.h> 00030 #include <Inventor/fields/SoSFBool.h> 00031 #include <Inventor/SbMatrix.h> 00032 00092 class SoDepthOffset : public SoNode 00093 { 00094 SO_NODE_HEADER(SoDepthOffset); 00095 00096 public: 00100 SoDepthOffset(); 00101 00108 SoSFFloat offset; 00109 00114 SoSFBool on; 00115 00116 00117 private: 00118 static void initClass(); 00119 static void exitClass(); 00120 00121 virtual void GLRender(SoGLRenderAction* action); 00122 virtual void search( SoSearchAction* action ); 00123 00128 static void setupGlobalParameters(SoState *state); 00130 static void computeNDCadjustment(SoState *state, SbMatrix& matrix); 00131 00132 private: 00134 virtual ~SoDepthOffset(); 00135 00136 // Re-open this scope here to avoid breaking binary compatibility 00137 private: 00138 virtual void doAction( SoAction* action ); 00139 virtual void rayPick( SoRayPickAction* action ); 00140 00141 private: 00142 static SbBool s_compat80; 00143 static uint32_t instanceCount; 00144 }; 00145 00146 #endif //SO_DEPTH_OFFSET_H 00147 00148 00149 00150 00151