GNU bug report logs - #29078
25.2; font issue with FreeType 2.8; should not use the rounded ascender and descender

Previous Next

Package: emacs;

Reported by: Vincent Lefevre <vincent <at> vinc17.net>

Date: Tue, 31 Oct 2017 10:14:01 UTC

Severity: normal

Found in version 25.2

Full log

Message #31 received at 29078 <at> debbugs.gnu.org (full text, mbox):

From: Vincent Lefevre <vincent <at> vinc17.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 29078 <at> debbugs.gnu.org
Subject: Re: bug#29078: 25.2; font issue with FreeType 2.8; should not use
 the rounded ascender and descender
Date: Mon, 18 Nov 2019 08:47:14 +0100

On 2019-11-17 09:02:50 +0100, Lars Ingebrigtsen wrote:
> Vincent Lefevre <vincent <at> vinc17.net> writes:
> 
> > For TrueType fonts, FreeType 2.8 uses different rounding rules for
> > values in the FT_Size_Metrics structure, which is apparently used
> > by Emacs (since there are visible changes). In particular, one can
> > now have ascender + descender > height. The consequences are:
> >
> > 1. Tables look a bit ugly.
> >
> > 2. Windows (with the same number of text lines) are unnecessarily
> >    higher than before.
> >
> > 3. This can break existing configurations, where Emacs would be
> >    opened at start up, with an expected window size.
> >
> > I could notice changes at least with the default Mono font, which
> > appears to be DejaVu Sans Mono.
> 
> The Emacs font rendering has changed some in Emacs 27 -- are you still
> seeing these problems there?

With a snapsnot from 23 August 2019,  I'm still seeing them.

-- 
Vincent Lefèvre <vincent <at> vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
This bug report was last modified 5 years and 271 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.