virtual void StrokeLines( size_t , const wxPoint2DDouble *, const wxPoint2DDouble *) {}
virtual void DrawLines( size_t , const wxPoint2DDouble *, int ) {}
virtual void DrawRectangle( wxDouble , wxDouble , wxDouble , wxDouble ) {}
virtual void StrokeLines( size_t , const wxPoint2DDouble *, const wxPoint2DDouble *) {}
virtual void DrawLines( size_t , const wxPoint2DDouble *, int ) {}
virtual void DrawRectangle( wxDouble , wxDouble , wxDouble , wxDouble ) {}