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by Mercury13
Mon Apr 25, 2016 9:11 am
Forum: Classic - Suggestions
Topic: New filter: pre-multiply alpha
Replies: 0
Views: 370

New filter: pre-multiply alpha

It should do the following:
1. Add an alpha channel, if it’s absent.
2. Modify it: alpha' = alpha · x.
Maybe, you’ll generalize it to all channels, etc.