Re: Status of multicolor fonts?

[Eli Zaretskii]

> From: Clément Pit--Claudel <address@hidden>
> Date: Wed, 16 Dec 2015 22:14:14 -0500
> Cc: Eli Zaretskii <address@hidden>, Emacs developers <address@hidden>
> 
> >> This seems to be using Apple-specific APIs, however, so it probably
> >> does not help much for other platforms. Still, it would be nice to
> >> have similar features on GNU/Linux. The patches that allowed this
> >> to function on MacOS were small; I wonder if it would be the same
> >> on other platforms.
> > 
> > If you want it on X11/GNU/Linux, you better start by convincing 
> > FreeType developers and/or sending them a patch. I sure don’t want 
> > each application implementing color fonts separately — if they get 
> > implemented at all, I want to be able to disable them everywhere
> > with just one user setting.
> 
> Fortunately, support for this was added in Freetype in 2013, so I won't have 
> much convincing to do, nor much patch-sending. It's also implemented in 
> FontConfig. Plenty of applications compiled for GNU/Linux support it out of 
> the box too, such as Mozilla Firefox and Chrome Linux.

Patches are welcome to add support for this to Emacs on Posix systems.
On MS-Windows, this would require to switch from Uniscribe to
DirectWrite, AFAIU, which presents only C++ APIs, so it would be
harder.