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bug#25147: 25.1; rgba font rendering not honoring fontconfig
From: |
Lars Ingebrigtsen |
Subject: |
bug#25147: 25.1; rgba font rendering not honoring fontconfig |
Date: |
Sun, 17 Nov 2019 08:35:00 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Yuri D'Elia <wavexx@thregr.org> writes:
> To test, remove any X resource (xrdb -remove), and install the following
> fontconfig snippet somewhere in ~/.config/fontconfig/conf.d:
>
> <?xml version="1.0"?>
> <fontconfig>
> <match target="font">
> <edit name="hinting" mode="assign">
> <bool>true</bool>
> </edit>
> <edit name="rgba" mode="assign">
> <const>rgb</const>
> </edit>
> </match>
> </fontconfig>
fontconfig on my system didn't seem to want to look in that directory,
so I put it in
/usr/share/fontconfig/conf.avail/09-foo.conf
> Run emacs, and notice how subpixel hinting is not enabled.
> Run with FC_DEBUG=5 set in the env for confirmation that the rgba=rgb is
> in effect.
And it was loaded:
Add Rule(kind:1, name: /usr/share/fontconfig/conf.avail/09-foo.conf) [edit]
Edit hinting Assign true;
Edit rgba Assign rgb;
I'm able to reproduce this bug in Emacs 27 -- I should probably get
colour fringing with this setting, but I'm not.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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Lars Ingebrigtsen <=