What about Synfig provides a new blend method? It would be similar to “Alpha” blend option, but with a twist. Where shapes overlaps, region is transparent; where they don’t, they are drawn.
Example: One ‘yellow’ circle overlaps a red rectangle.
- What should it be called? The blending works similar to “Exclusive-OR” (aka. “X-OR”, “XOR”), a mathematical/boolean logic operation. But maybe it’s too technical?
amountshould affect it?
- Should it exist?
To provide a feature SVG format does (multiple subpaths in a path element):
(Please note that it won’t change/improve SVG importing)