X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/477160b73f9f8d9ed0d0d5dc1227651f303fcaf1..c845a1975a3d6d79b19a7ec77bd8e0b8b8850751:/include/wx/image.h

diff --git a/include/wx/image.h b/include/wx/image.h
index 1789d526c8..153065c764 100644
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -185,7 +185,8 @@ public:
     void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
                   unsigned char r2, unsigned char g2, unsigned char b2 );
 
-    // convert to monochrome image (<r,g,b> will be replaced by white, everything else by black)
+    // convert to monochrome image (<r,g,b> will be replaced by white,
+    // everything else by black)
     wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
 
     // these routines are slow but safe
@@ -206,6 +207,10 @@ public:
     bool SetMaskFromImage(const wxImage & mask,
                           unsigned char mr, unsigned char mg, unsigned char mb);
 
+    // converts image's alpha channel to mask, if it has any, does nothing
+    // otherwise:
+    bool ConvertAlphaToMask(unsigned char threshold = 128);
+
     static bool CanRead( const wxString& name );
     static int GetImageCount( const wxString& name, long type = wxBITMAP_TYPE_ANY );
     virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );