+ virtual void DrawSpline( wxList *points );
+ virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 )
+ { wxDC::DrawSpline(x1, y1, x2, y2, x3, y3); }
+ virtual void DrawSpline( int n, wxPoint points[] )
+ { wxDC::DrawSpline(n, points); }
+
+ // Resolution in pixels per logical inch
+ wxSize GetPPI(void) const;