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: Mon, 07 Dec 2015 19:19:48 +0200 [thread overview]
Message-ID: <83zixmch1n.fsf@gnu.org> (raw)
In-Reply-To: <wlr3izorul.wl%mituharu@math.s.chiba-u.ac.jp>
> Date: Mon, 07 Dec 2015 12:33:22 +0900
> From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> Cc: Eli Zaretskii <eliz@gnu.org>,
> martin rudalics <rudalics@gmx.at>,
> emacs-devel <emacs-devel@gnu.org>
>
> > I tried the patch. However Cairo frame and non-Cairo frame still
> > differ by the same amount as reported before.
>
> So, rounding has nothing to do with the difference you observe.
>
> 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?
Thanks.
next prev parent reply other threads:[~2015-12-07 17:19 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 [this message]
2015-12-08 4:03 ` YAMAMOTO Mitsuharu
2015-12-11 8:48 ` Eli Zaretskii
2015-11-28 21:44 ` joakim
2015-11-29 0:14 ` Yuan MEI
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