//! Return device pixel ratio (logical to backing store scale factor).
virtual Standard_Real DevicePixelRatio() const Standard_OVERRIDE { return myDevicePixelRatio; }
+ //! Sets device pixel ratio for a window with IsVirtual() flag.
+ void SetDevicePixelRatio (Standard_Real theDevicePixelRatio) { myDevicePixelRatio = theDevicePixelRatio; }
+
//! Invalidate entire window content through generation of Expose event.
Standard_EXPORT virtual void InvalidateContent (const Handle(Aspect_DisplayConnection)& theDisp) Standard_OVERRIDE;