>> Please correct me where my assumptions are wrong
>
> I think you are confused. FreeType simply provides *colorless* coverage
map,
> i.e., fraction of each pixel covered by an outline. This coverage is a
> proportion of a text color to be mixed/blended with a surface color. It is
> just a proportion, it is never never transformed.

Perfect thanks, this is exactly what I expected/meant;  sorry for my
imprecise description :D

> A client app should be using gamma-corrected colors but it happens outside
> FreeType.

Thanks, that really confirms what I was after;  basically the question if
the coverage map is generally considered to be in "linear space".

Best,
Armin


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