Le 31/12/2022 à 01:29, Paolo Prete a écrit :
Yeah, I also thought about overlying multiple surfaces.
Nope, no dice.
But don't exclude my tip: after all, the colors can give you unique identifiers for the map I've described to you, and this makes the mechanism safe
Well, it's pretty hacky.I think we'd better figure out how to patch Cairo to support this. The source of the SVG backend is here:
https://gitlab.freedesktop.org/cairo/cairo/-/blob/master/src/cairo-svg-surface.cI don't think it's hard to add a function for inserting output attributes to this. It just takes time to figure out the design from the 4500 lines of C.
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