diff --git a/include/wx/image.h b/include/wx/image.h
index ea439aab62..c8aad2d3e6 100644
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -147,6 +147,8 @@ 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); }