From: Eli Zaretskii <eliz@gnu.org>
To: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Cc: yuan.mei.list@gmail.com, rudalics@gmx.at, emacs-devel@gnu.org
Subject: Re: Redisplay issue
Date: Fri, 11 Dec 2015 10:48:05 +0200 [thread overview]
Message-ID: <83k2ol8j7e.fsf@gnu.org> (raw)
In-Reply-To: <wl8u55si2g.wl%mituharu@math.s.chiba-u.ac.jp>
> Date: Tue, 08 Dec 2015 13:03:19 +0900
> From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> Cc: yuan.mei.list@gmail.com,
> rudalics@gmx.at,
> emacs-devel@gnu.org
>
> >>>>> On Mon, 07 Dec 2015 19:19:48 +0200, Eli Zaretskii <eliz@gnu.org> said:
>
> >> It seems that freetype has two types of structures containing
> >> metrics values (ascender, descender, height): FT_FaceRec and
> >> FT_Size_Metrics. ftfont.c uses the former for scalable fonts and
> >> the latter for the other cases.
>
> > Perhaps Yuan could look at the respective values in the debugger,
> > and see if they explain the 1-pixel difference. Can you suggest to
> > him how to set up his debugging session so as to catch the values
> > for the default font?
>
> I assume you are using the emacs-25 branch.
>
> (undo my previous patch)
> % make clean
> % make CFLAGS='-O0 -g3'
> % gdb src/emacs
> (gdb) b ftfont.c:1244
> (gdb) command
> >call (void)debug_print(entity)
> >p scalable
> >p *ft_face
> >p ft_face->size.metrics
> >cont
> >end
> (gdb) r
Thanks.
Yuan, could you please do this and report the results?
next prev parent reply other threads:[~2015-12-11 8:48 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-27 22:31 Redisplay issue Yuan MEI
2015-11-28 8:06 ` Eli Zaretskii
2015-11-28 8:27 ` Yuan MEI
2015-11-28 9:44 ` Eli Zaretskii
2015-11-28 20:19 ` Yuan MEI
2015-11-28 20:49 ` Eli Zaretskii
2015-11-29 2:54 ` Yuan MEI
2015-11-29 15:42 ` Eli Zaretskii
2015-11-29 23:35 ` Yuan MEI
2015-11-30 16:16 ` Eli Zaretskii
2015-12-01 4:51 ` Yuan MEI
2015-12-01 16:01 ` Eli Zaretskii
2015-12-02 4:35 ` Yuan MEI
2015-12-02 13:57 ` Eli Zaretskii
2015-12-03 4:55 ` Yuan MEI
2015-12-03 7:47 ` Eli Zaretskii
2015-12-03 8:09 ` Yuan MEI
2015-12-03 10:23 ` Eli Zaretskii
2015-12-03 18:16 ` martin rudalics
2015-12-03 21:23 ` Yuan MEI
2015-12-04 8:08 ` martin rudalics
2015-12-04 8:30 ` Yuan MEI
2015-12-04 8:48 ` martin rudalics
2015-12-04 8:54 ` Yuan MEI
2015-12-04 8:56 ` martin rudalics
2015-12-04 9:00 ` Yuan MEI
2015-12-04 9:05 ` martin rudalics
2015-12-04 9:47 ` Eli Zaretskii
2015-12-04 10:21 ` martin rudalics
2015-12-04 11:01 ` Eli Zaretskii
2015-12-04 11:12 ` Eli Zaretskii
2015-12-05 0:25 ` YAMAMOTO Mitsuharu
2015-12-05 9:17 ` Eli Zaretskii
2015-12-06 0:49 ` Yuan MEI
2015-12-07 3:33 ` YAMAMOTO Mitsuharu
2015-12-07 17:19 ` Eli Zaretskii
2015-12-08 4:03 ` YAMAMOTO Mitsuharu
2015-12-11 8:48 ` Eli Zaretskii [this message]
2015-11-28 21:44 ` joakim
2015-11-29 0:14 ` Yuan MEI
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