+ /// Show highlight for pre-highlighted sub-shape
+ virtual void updateHighlight() {}
+
+ /// Set flag which indicates that viewer is used for 2d operations
+ /// \param is2d a new 2d mode state
+ void set2dMode(bool is2d) {
+ myIs2dMode = is2d;
+ }
+
+ /// Returns current state of 2d mode flag
+ bool is2dMode() const {
+ return myIs2dMode;
+ }
+
+ static Handle(Prs3d_Drawer) DefaultHighlightDrawer;
+