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 : VSG (MMM YYYY) 00022 **=======================================================================*/ 00023 00024 #ifndef _SO_GRADIENT_BACKGROUND_H_ 00025 #define _SO_GRADIENT_BACKGROUND_H_ 00026 00027 #include <Inventor/fields/SoSFColor.h> 00028 #include <Inventor/fields/SoSFBool.h> 00029 00030 #include <Inventor/SbPImpl.h> 00031 #include <Inventor/nodes/SoBackground.h> 00032 00033 SO_PIMPL_PUBLIC_DECLARATION(SoGradientBackground) 00034 00035 00080 class SoGradientBackground : public SoBackground { 00081 00082 SO_PIMPL_PUBLIC_HEADER(SoGradientBackground) 00083 SO_NODE_HEADER(SoGradientBackground); 00084 00085 public: 00086 // Fields: 00087 // 00093 SoSFColor color0; 00099 SoSFColor color1; 00103 SoSFBool swapColors; 00104 00108 SoGradientBackground(); 00109 00110 private: 00111 // Initializes this class for use in scene graphs. This 00112 // should be called after database initialization and before 00113 // any instance of this node is constructed. 00114 static void initClass(); 00115 static void exitClass(); 00116 00117 private: 00118 // Implement render action 00119 // We will inherit all other action methods from SoNode. 00120 // We don't need a doAction because this node has no effect 00121 // on traversal state (or at least it shouldn't :-). 00122 virtual void GLRender(SoGLRenderAction *action); 00123 00124 private: 00125 // Destructor. Protected to keep people from trying to delete 00126 // nodes, rather than using the reference count mechanism. 00127 virtual ~SoGradientBackground(); 00128 00129 private: 00130 void commonConstructor(); 00131 const SbColor interpColor( float t, SbColor &c0, SbColor &c1 ) const; 00132 }; 00133 00134 #endif //SoGradientBackground 00135 00136