Hi all, I've been lurking for a few years, but not posted for some time...
I'm doing quite a lot of stuff generating PNGs with transparency,
and wondered if there is any fast way to combine an 'image' img and
a 'transparency' img?
A handler that goes through each RGB pixel and reduce it to a
grayscale value for use as alphaData was pretty easy, but for a
200x200px image that's 40,000 repeats, and takes minutes on a G5.
Perhaps the following might help?
Also, I think Chipp has done some work along those lines.
I have uploaded a series of images created with the "ImageData Toolkit",
which is a modified version of my "Colorpattern Toolkit"
(<http://www.sanke.org/ImageDataArt>).
ciao,
sims
European Rev Conference 2006
www.techietours.com
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