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ComfyUI
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8 Commits

Author SHA1 Message Date
Denys Smirnov 20447e9ec9
Fix alpha in PorterDuffImageComposite. (#3411) 
There were two bugs in PorterDuffImageComposite.

The first one is the fact that it uses the mask input directly as alpha, missing the conversion (`1-a`). The fix is similar to c16f5744.

The second one is that all color composition formulas assume alpha premultiplied values, while the input is not premultiplied.

This change fixes both of these issue.
 2024-06-04 16:37:11 -04:00
comfyanonymous c16f5744e3 Fix SplitImageWithAlpha and JoinImageWithAlpha. 2023-10-08 15:52:10 -04:00
comfyanonymous 0e763e880f JoinImageWithAlpha now works with any mask shape. 2023-10-04 15:54:34 -04:00
comfyanonymous 9212bea87c Change a few things in #1578. 2023-10-04 15:43:41 -04:00
MoonRide303 214ca7197e Corrected joining images with alpha (for RGBA input), and checking scaling conditions 2023-10-04 19:04:52 +02:00
MoonRide303 585fb0475b Adding default alpha when splitting RGB images 2023-10-04 19:04:52 +02:00
MoonRide303 ece69bf28c Change channel type to MASK (reduced redundancy, increased usability) 2023-10-04 19:04:52 +02:00
MoonRide303 d06cd2805d Added support for Porter-Duff image compositing 2023-10-04 19:04:48 +02:00