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) 1996-2017 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 00091 class SoDepthOffset : public SoNode 00092 { 00093 SO_NODE_HEADER(SoDepthOffset); 00094 00095 public: 00099 SoDepthOffset(); 00100 00107 SoSFFloat offset; 00108 00113 SoSFBool on; 00114 00115 00116 private: 00117 static void initClass(); 00118 static void exitClass(); 00119 00120 private: 00122 virtual void GLRender(SoGLRenderAction* action); 00124 virtual void search( SoSearchAction* action ); 00125 00130 static void setupGlobalParameters(SoState *state); 00132 static void computeNDCadjustment(SoState *state, SbMatrix& matrix); 00133 00134 private: 00136 virtual ~SoDepthOffset(); 00137 00138 // Re-open this scope here to avoid breaking binary compatibility 00139 private: 00140 virtual void doAction( SoAction* action ); 00141 virtual void rayPick( SoRayPickAction* action ); 00142 00143 private: 00144 static SbBool s_compat80; 00145 static uint32_t instanceCount; 00146 }; 00147 00148 #endif //SO_DEPTH_OFFSET_H 00149 00150 00151 00152 00153