MASKS: Canonical Porter Duff algorithm for merge missing.
Closed, ResolvedPublic


In the Masks layers, the canonical Porter Duff algorithm is missing. This attempts to add it.

Alpha.Out = Alpha.A + ( Alpha.B * ( 1 - Alpha.A) )

Porter Duff page 256 of:

Troy Sobotka (sobotka) set Type to Patch.Via Old WorldJul 27 2012, 3:40 AM

Previous attempt to apply patch died. It can be removed. This post attaches the patch as a separate step.

applied 49328. now the default blend mode.

Campbell Barton (campbellbarton) closed this task as "Resolved".Via Old WorldJul 28 2012, 1:36 PM

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