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bug#39799: 28.0.50; Most emoji sequences don’t render correctly
From: |
Mike FABIAN |
Subject: |
bug#39799: 28.0.50; Most emoji sequences don’t render correctly |
Date: |
Fri, 28 Feb 2020 13:46:50 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Robert Pluim <rpluim@gmail.com> さんはかきました:
> I suck at awk, but my attempt is attached. It DTRT for me under Cairo
> if I change my fontset settings to use 'Noto Color Emoji' instead of
> Symbola for:
>
> (#x1F300 . #x1F5FF) ;; Misc Symbols and Pictographs
> (#x1F900 . #x1F9FF) ;; Supplemental Symbols and Pictographs
>
> It matches forward off the first char, so the
> composition-function-table entries all have '0' as the number of chars
> to match. Would it be better to match backwards? Weʼd run into the
> 4-character maximum for that, since some of the sequences are 7 or
> more characters long.
>
> >> > If you mean they are not displayed in correct colors, then Emacs
> >> > doesn't yet support color emoji, we lack some infrastructure for
> >> > that. Again, work in that area is welcome, it should be relatively
> >> > easy since we now have HarfBuzz support for text shaping.
> >>
> >> Actually the color display works already. I tested with current master
> >> (build with cairo) and the emoji display just fine in color.
>
> Eli> Maybe in a Cairo build. Or maybe I'm missing something.
>
> Iʼm not seeing colour emoji in a -Q Cairo build. Which sequence is this
> again?
To check the colour, almost any emoji will work, it doesn’t have to be a
sequence. For example, I see these in colour:
👩🦰 U+1F469 U+200D U+1F9B0 woman: red hair
🧑🦰 U+1F9D1 U+200D U+1F9B0 person: red hair
😇 U+1F607
When I start "emacs -Q" (cairo build from current git master), I
see the emoji first in black and white as in the attached
emacs-default-emoji.png.
Then, after evaluating:
(set-fontset-font t '(#x10000 . #x1FFFF) '("Noto Color Emoji" . "unicode-bmp")
nil 'prepend)
I see them in colour.
So I have put
(set-fontset-font t '(#x10000 . #x1FFFF) '("Noto Color Emoji" . "unicode-bmp")
nil 'prepend)
in my init file.
--
Mike FABIAN <mfabian@redhat.com>
emacs-default-emoji.png
Description: PNG image
emacs-color-emoji.png
Description: PNG image
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/26
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Robert Pluim, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly,
Mike FABIAN <=
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Robert Pluim, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Robert Pluim, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Eli Zaretskii, 2020/02/28
- bug#39799: 28.0.50; Most emoji sequences don’t render correctly, Mike FABIAN, 2020/02/28