Re: Unifying code for drawing on a cairo context

[Eli Zaretskii <eliz@gnu.org>]

> From: Po Lu <luangruo@yahoo.com>
> Cc: "Pfrommer, Julius" <julius.pfrommer@web.de>,  emacs-devel@gnu.org
> Date: Sat, 23 Apr 2022 19:58:04 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > In general, I don't think we'd object to having such Cairo-specific
> > code in one place.  However, having GUI code common to all the GUI
> > backends in one place is more important, so if this Cairo-specific
> > module will make that common code less so, it would be a step
> > backward, IMO.  IOW, as long as the effort to have Cairo-specific code
> > in one place doesn't "invade" on the common code, it is welcome, I
> > think.
> 
> I think that we won't be able to get the Cairo code all in one place,
> without a large amount of code specific to each window system, which
> defeats the point of such refactoring.

Clearly, I was writing on the assumption that this would be possible,
without independently assessing whether in fact it is possible.