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bug#44020: 28.0.50; Prefer selection of colour emoji fonts?


From: Stephen Berman
Subject: bug#44020: 28.0.50; Prefer selection of colour emoji fonts?
Date: Mon, 19 Oct 2020 21:03:49 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

On Mon, 19 Oct 2020 21:52:13 +0300 Eli Zaretskii <eliz@gnu.org> wrote:

>> From: Robert Pluim <rpluim@gmail.com>
>> Cc: 44020@debbugs.gnu.org,  larsi@gnus.org
>> Date: Mon, 19 Oct 2020 20:34:41 +0200
>> 
>> (set-fontset-font t 'emoji '("Apple Color Emoji . "iso1064601") nil
>> 'prepend)
>> 
>> It *should* work as-is on GNU/Linux, but for some reason Emacs is
>> completely refusing to use any Emoji fonts for me there. Itʼs possible
>> Iʼve messed up my system somehow, since emacs-27 has the same issue,
>> but Iʼm seeing some very suspicious results from
>> ftcrfont_glyph_extents (the font average width is always 0), so perhaps
>> we need to adjust our font code.
>
> Didn't someone say they can see color emoji on Cairo?

Yes, Lars noted (and I confirm) that the following two lines suffice:

(set-fontset-font t 'symbol "Noto Color Emoji")
(set-fontset-font t 'symbol "Symbola" nil 'append)

Steve Berman





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