[ENH] Faster alpha blending
Duane Maxwell
dmaxwell at exobox.com
Wed Nov 22 21:54:05 UTC 2000
Change Set: AlphaBlendOpt
Date: 22 November 2000
Author: Duane Maxwell, Paul Phillips/exobox
Short circuits full opaque and full transparent pixels when alpha blending.
Requires rebuild of VM to take effect, since this code is in the Slang for
BitBlt.
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