request: additive alpha rendering mode
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Inkscape |
New
|
Undecided
|
Unassigned |
Bug Description
For the anti-aliasing rendering gap and similar issues I'd like to request an additive alpha rendering mode.
Something that would work similarly to that filter:
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or
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with the exception that opaque objects above eachother should be rendered with their original fills.
original idea represented here:
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So what would it be all about?
Thinking about a rendered pixel's opacity, the used method now is to see through every transparent layer above eachother.
The additive alpha rendering mode would function sort of a box that the layers fill up from the top, and once you reach the fill size -full alpha- the rest is disregarded.
For example if there are 4 colours above each, blue, red, green, yellow in that order, blue on top,
with each having 40% opacity,
40% of blue, 40% of red and 20% of green would add up to a fully opaque pixel, without any of the yellow or the background showing through.
This kind of approach would also be beneficial with all the "I want to recreate the exact same looking image but without the background showing through" kind of requests.
Just today we had a conversation at the #irc and maybe this description of the problem is not getting through?
Ended up making screen captures of the "gap issue" problem:
introducing the problem: /www.youtube. com/watch? v=5WRHzL8OXx4& feature= youtu.be
https:/
showing an approximating model of what's going on: /www.youtube. com/watch? v=unqeQupHt8M& feature= youtu.be
https:/
making a simple additive alpha compositing filter: /www.youtube. com/watch? v=CbHww4QJ4RM& feature= youtu.be
https:/