virtual wxBitmap GetSubBitmap(const wxRect& rect) const = 0;
+ // Convert to disabled (dimmed) bitmap.
+ wxBitmap ConvertToDisabled(unsigned char brightness = 255) const;
+
virtual bool SaveFile(const wxString &name, wxBitmapType type,
const wxPalette *palette = NULL) const = 0;
virtual bool LoadFile(const wxString &name, wxBitmapType type) = 0;