[cairo-bugs] [Bug 102661] Treat color glyph alpha as mask instead of source alpha

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102661

Alexei Podtelezhnikov <apodtele at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |apodtele at gmail.com,
                   |                            |wl at gnu.org

--- Comment #9 from Alexei Podtelezhnikov <apodtele at gmail.com> ---
Ahh. I wish I knew about premultiplication and objected as much as I could. Now
we are about to release layered fonts with the premultiplication... Screw
everyone who cares about gamma correction too!

At least Direct2D offers a choice
https://docs.microsoft.com/en-us/windows/desktop/api/dcommon/ne-dcommon-d2d1_alpha_mode

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