Re: [fxtf-drafts] [filter-effects] Why can't opacity() filter function ever increase opacity?

Or, from another direction: all the filters can be conceptually thought of as just rendering the subject to a bitmap and then fiddling with the pixels.  To have >100% opacity work, you'd need to allow the alpha channel of the pixels to be an unbounded value, which is very inconsistent with current models of pixel color.

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Received on Friday, 26 May 2017 04:27:31 UTC