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) 1996-2019 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 00091 class SoPolygonScreenDrawer : public SoPolyLineScreenDrawer 00092 { 00093 SO_NODE_HEADER( SoPolygonScreenDrawer ); 00094 00095 public: 00097 SoPolygonScreenDrawer(); 00098 00099 virtual void clear() { SoPolyLineScreenDrawer::clear(); m_lastAddedPoint = SbVec2s(-1, -1); } 00100 00101 private: 00102 00104 static void initClass(); 00105 00107 static void exitClass(); 00108 00109 SoEXTENDER_Documented private: 00110 00112 virtual void onKeyDown( SoHandleEventAction* action ); 00113 00115 virtual void onMouseMove( SoHandleEventAction* action ); 00116 00118 virtual void onMouseDown( SoHandleEventAction* action ); 00119 00121 virtual void onMouseDblClick( SoHandleEventAction* action ); 00122 00123 private: 00124 00126 virtual ~SoPolygonScreenDrawer(); 00127 00128 private: 00129 00131 inline bool isCreating() const { return m_lastAddedPoint[0] != -1 && m_lastAddedPoint[1] != -1; } 00132 00134 SbVec2s m_lastAddedPoint; 00135 00136 }; 00137 00138 00139 #endif // _SO_POLYGON_SCREEN_DRAWER_H_ 00140 00141 00142