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[REBOL] Re: transparency

From: arolls:bigpond:au at: 23-Aug-2001 22:38

If you mean alpha-channel, where one image is blended by some amount over another image so that pixels from both images combine, then no, there is no alpha-channel. I am pretty sure that keying is the closest you are going to get. However, you could do a multiply on two images, by 64.64.64, then manually add the pixels for your result. It wouldn't be fast, though.