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 : Thibaut Andrieu (Jan 2011) 00022 **=======================================================================*/ 00023 00024 #if !defined _SO_POLYGON_SCREEN_DRAWER_H_ 00025 #define _SO_POLYGON_SCREEN_DRAWER_H_ 00026 00027 #include <Inventor/drawers/SoPolyLineScreenDrawer.h> 00028 00084 class SoPolygonScreenDrawer : public SoPolyLineScreenDrawer 00085 { 00086 SO_NODE_HEADER( SoPolygonScreenDrawer ); 00087 00088 public: 00090 SoPolygonScreenDrawer(); 00091 00092 virtual void clear() { SoPolyLineScreenDrawer::clear(); m_lastAddedPoint = SbVec2s(-1, -1); } 00093 00094 private: 00095 00097 static void initClass(); 00098 00100 static void exitClass(); 00101 00102 SoEXTENDER_Documented private: 00103 00105 virtual void onKeyDown( SoHandleEventAction* action ); 00106 00108 virtual void onMouseMove( SoHandleEventAction* action ); 00109 00111 virtual void onMouseDown( SoHandleEventAction* action ); 00112 00114 virtual void onMouseDblClick( SoHandleEventAction* action ); 00115 00116 private: 00117 00119 virtual ~SoPolygonScreenDrawer(); 00120 00121 private: 00122 00124 inline bool isCreating() const { return m_lastAddedPoint[0] != -1 && m_lastAddedPoint[1] != -1; } 00125 00127 SbVec2s m_lastAddedPoint; 00128 00129 }; 00130 00131 00132 #endif // _SO_POLYGON_SCREEN_DRAWER_H_ 00133 00134 00135