- if wx.Platform == "__WXGTK__":
- # try to make up for it a bit...
- bmp.SetMaskColour("black")
+ if "__WXGTK__" in wx.PlatformInfo:
+ # try to make up for lack of alpha support a bit...
+ img = bmp.ConvertToImage()
+ img.ConvertAlphaToMask(220) #threshold below which alpha will be made fully transparent
+ bmp = img.ConvertToBitmap()