GNU bug report logs - #23137
25.1.50; Subpixel rendering is broken when not running under gnome-session

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Message #23 received at 23137 <at> debbugs.gnu.org (full text, mbox):

From: Matthew Leach <matthew <at> mattleach.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 23137 <at> debbugs.gnu.org
Subject: Re: bug#23137: 25.1.50;
 Subpixel rendering is broken when not running under gnome-session
Date: Thu, 31 Mar 2016 08:34:47 +0100

[Message part 1 (text/plain, inline)]

Hi Eli,

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

>> From: Matthew Leach <matthew <at> mattleach.net>
>> Cc: 23137 <at> debbugs.gnu.org
>> Date: Tue, 29 Mar 2016 22:13:14 +0100
>> 
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>> 
>> >> > What is "subpixel rendering"?
>> >> 
>> >> [1] gives an overview of what it is and the 'rgba' values in [2] show
>> >> how to configure it.  I think MS use the term ClearType on their Windows
>> >> platform.
>> >
>> > Then why do you think it's an Emacs problem?
>> 
>> I think it's an Emacs problem, because it is not behaving as configured,
>> even though other GTK applications do.
>
> What configuration options were supposed to tell Emacs to use subpixel
> rendering?

There are two: ~/.Xresources (attached).  On some systems there is
/etc/fonts/conf.avail/10-sub-pixel-*.conf and you can symlink one of
those to /etc/fonts/conf.d (I have attached the one I use).  The 'rgba'
value in both configs controls subpixel rendering.

Thanks,
-- 
Matt

[.Xresources (application/octet-stream, attachment)]

[10-sub-pixel-rgb.conf (application/octet-stream, attachment)]

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