+ /// Returns true if the selection filter is set to the viewer
+ /// \param theFilter a selection filter
+ virtual bool hasSelectionFilter(const Handle(SelectMgr_Filter)& theFilter) = 0;
+
+ /// Update current viewer
+ virtual void update() = 0;
+
+ /// Returns a scale factor of the given view
+ /// \param theView a view object
+ const double Scale(const Handle(V3d_View)& theView)
+ {
+ if (!myWindowScale.contains(theView))
+ myWindowScale.insert(theView, theView->Camera()->Scale());
+ return myWindowScale[theView];
+ }
+
+ /// Remember a scale factor for the view object
+ /// \param theView a view object
+ /// \param theVal a scale factor
+ void SetScale(const Handle(V3d_View)& theView, const double theVal)
+ { myWindowScale[theView] = theVal; }
+
+ /// Method returns True if the viewer can process editing objects
+ /// by mouse drugging. If this is impossible thet it has to return False.
+ virtual bool canDragByMouse() const { return true; }
+
+ /// Fit all along Z (perpendicular to display)
+ //virtual void Zfitall() = 0;
+
+ /// 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;
+ }
+
+ // Methods for color scale management
+
+ //! Returns True if ColorScale is visible
+ virtual bool isColorScaleVisible() const = 0;
+
+ //! Show/Hide ColorScale object
+ virtual void setColorScaleShown(bool on) = 0;
+
+ //! Set position of color scale
+ // \param theX is X position relative to current view width
+ // \param theY is Y position relative to current view heigth
+ virtual void setColorScalePosition(double theX, double theY) = 0;
+
+ //! Set size of color scale
+ // \param theW is width relative to current view width
+ // \param theh is height relative to current view heigth
+ virtual void setColorScaleSize(double theW, double theH) = 0;
+
+ //! Set range of color scale
+ // \param theMin is a minimal value
+ // \param theMax is a maximal value
+ virtual void setColorScaleRange(double theMin, double theMax) = 0;
+
+ //! Set number of intervals of color scale
+ // \param theNb is number of intervals
+ virtual void setColorScaleIntervals(int theNb) = 0;
+
+ //! Set text heigth of color scale
+ // \param theH is number of intervals
+ virtual void setColorScaleTextHeigth(int theH) = 0;
+
+ //! Set color of text of color scale
+ // \param theH is number of intervals
+ virtual void setColorScaleTextColor(const QColor& theColor) = 0;
+
+ //! Set title of color scale
+ // \param theText is a title
+ virtual void setColorScaleTitle(const QString& theText) = 0;
+
+ //! Type for mapping from text to color to display the names lines in different colors
+ typedef std::list<std::pair<std::wstring, std::vector<int> > > TextColor;
+
+ //! Sets the text displayed in right-top corner of the 3D view
+ //! \param theText the text to display, or empty string to erase presentation;
+ //! the first item is the font name and text color
+ //! \param theSize size of the text font
+ virtual void setText(const TextColor& theText, const int theSize) = 0;
+
+
+ /// Switches On additional highlight for objects preselection
+ void showSelectionHighlight() {
+ myShowHighlight = true;
+ }
+
+ /// Switches Off additional highlight for objects preselection
+ void hideSelectionHighlight() {
+ myShowHighlight = false;
+ }
+
+#ifdef HAVE_SALOME
+ virtual void setFitter(OCCViewer_Fitter* theFitter) = 0;
+ virtual OCCViewer_Fitter* fitter() const = 0;
+#else
+ virtual void setFitter(AppElements_Fitter* theFitter) = 0;
+ virtual AppElements_Fitter* fitter() const = 0;
+#endif
+
+ static Handle(Prs3d_Drawer) DefaultHighlightDrawer;
+