+
+ //
+ // Convert the region to a B&W bitmap with the black pixels being inside
+ // the region.
+ //
+ wxBitmap ConvertToBitmap(void) const;
+
+ // Use the non-transparent pixels of a wxBitmap for the region to combine
+ // with this region. If the bitmap has a mask then it will be used,
+ // otherwise the colour to be treated as transparent may be specified,
+ // along with an optional tolerance value.
+ bool Union( const wxBitmap& rBmp
+ ,const wxColour& rTransColour = wxNullColour
+ ,int nTolerance = 0
+ );
+