Hi,
I have some image downscaling code [1] using Pixman that currently works
in regular RGB. I would like instead to do gamma-correct sRGB
downscaling, but I only see an sRGB-with-alpha format in the source code
[2]. Is it possible to use this with sRGB-without-alpha data somehow?
I would like to avoid having to add a placeholder alpha channel before
downscaling only to remove it afterwards.
[1]
https://code.mathr.co.uk/kalles-fraktaler-2/blob/e7ead006bb8de5b80732ad71794455395f2bba67:/fraktal_sft/scale_bitmap.cpp#l48
[2]
https://gitlab.freedesktop.org/pixman/pixman/-/blob/d93ec5713821106df6d57952dcf169308c7c4f0e/pixman/pixman-access.c#L1406-1411
Thanks,
Claude
--
https://mathr.co.uk
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