Le 01/01/2023 à 12:36, Jean Abou Samra a écrit :
Le 30/12/2022 à 13:08, Jean Abou Samra a écrit :which means figuring out how to do PNGs via the default PS backend and GS.I looked a bit at this. It's not insurmountable, *but*, alpha transparency is not going to work. PNG images with an alpha channel will need to be converted to plain RGB because PostScript doesn't support alpha transparency, and while GhostScript does have a little support for it, it seems the only way to have an image with variable levels of transparency across the image is to draw each of the pixels separately. Does that sound acceptable? (For completeness: PNG images in the default SVG backend should be easy.)
Added now, with the caveat above.As said on the MR, an option would be to disable transparency by default so that the default config renders the same on all backends, and make the config with transparency enabled warn if the PS backend is used.
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