Re: Help writing a patch to allow transparent backgrounds?

[Eli Zaretskii <eliz@gnu.org>]

> From: Clément Pit--Claudel <clement.pit@gmail.com>
> Date: Tue, 9 Feb 2016 10:22:38 -0500
> 
> The only way to get transparency at the moment seems to be with the 'alpha frame parameter. Unfortunately this makes the whole frame transparent, instead of just the background. I'd like to make Emacs only draw text to the screen, without painting a background. I'm on Linux with Gtk3.
> 
> I expect that this would require changing the way the background is painted, and changing the way faces are drawn to not add a solid background.

I can try helping you with doing that in a non-Cairo build.  I'm not
familiar enough with the way Cairo drawing works (and I'm not sure we
have here anyone who does).

Let me know if doing that in a build without Cairo is useful enough
for you to work on that.

Thanks.