[Newbies] Fading a PNG

Steven Greenberg greenbes at puzzlingevidence.net
Sun Apr 22 22:44:13 UTC 2007

I have a PNG image that I'd like to display fading out.  I tried the BitBlt
method suggested by "Team RAR" to fade the image, but I can't make it work.

The image loads properly from a file and displays fine as an ImageMorph.  I
have been able to use a TransformationMorph to rotate and scale it, and PNG
transparency is working properly.

Is the "Team RAR" BitBlt method the only way, or are there alternatives?

I'm running a 3.9 image, and my display depth is set to 32 bits.

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