Re: emojis not colored

[Colin Baxter 😺]

>>>>> Eli Zaretskii <eliz@gnu.org> writes:

    >> From: Colin Baxter 😺 <m43cap@yandex.com> Cc:
    >> help-gnu-emacs@gnu.org Cc: Date: Sun, 14 Nov 2021 19:31:04 +0000
    >> 
    >> >>>>> Eli Zaretskii <eliz@gnu.org> writes:
    >> 
    >> >> From: Colin Baxter 😺 <m43cap@yandex.com> Cc: >>
    >> help-gnu-emacs@gnu.org Cc: Date: Sun, 14 Nov 2021 18:20:24 +0000
    >> >> 
    >> >> I can get emojis with Segoe ui emoji using
    >> >> 
    >> >> (set-fontset-font t 'emoji '("Segoe ui emoji" . "iso10646-1")
    >> nil >> 'prepend)
    >> >> 
    >> >> and C-u C-x = confirms that its -microsoft-Segoe UI >>
    >> Emoji-regular. The emojis are not colored.
    >> 
    >> > On what OS is that?
    >> 
    >> Linux 4.9.0-16-686-pae #1 SMP Debian 4.9.272-2 (2021-07-19) i686
    >> GNU/Linux

    > Is your build with Cairo and HarfBuzz?

Yes, with both

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Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS
X11 XDBE XIM XPM GTK3 ZLIB

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If I run fontlint on my NotoColorEmoji.ttf then I get this error.

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Copyright (c) 2000-2014 by George Williams. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Based on sources from 20170812-ML-D.
 Based on source from git with hash: 
Attempt to unget two characters
CHECKING     NotoColorEmoji.ttf
This font contains neither "CFF " nor "glyf"/"loca" tables
The following table(s) in the font have been ignored by FontForge
  Ignoring 'CBDT'
  Ignoring 'CBLC'
No (useable) bitmap strikes in this TTF font: 
/home/redknight/.fonts/noto/NotoColorEmoji.ttf
Couldn't find a font file named /home/redknight/.fonts/noto/NotoColorEmoji.ttf
NotoColorEmoji.ttf is not in a known format (or uses features of that format 
fontforge does not support, or is so badly corrupted as to be unreadable)
Open: Failed to open: NotoColorEmoji.ttf

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Possibly my Debian version is too old.

Best wishes,