diff --git a/include/wx/image.h b/include/wx/image.h
index a165ad2794..6b01d9e2c1 100644
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -149,6 +149,8 @@ public:
 
     // return the new image with size width*height
     wxImage Scale( int width, int height ) const;
+    
+    wxImage ShrinkBy( int xFactor , int yFactor ) const ;
 
     // rescales the image in place
     wxImage& Rescale( int width, int height ) { return *this = Scale(width, height); }