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Re: Redisplay issue

From: Eli Zaretskii
Subject: Re: Redisplay issue
Date: Mon, 07 Dec 2015 19:19:48 +0200

> Date: Mon, 07 Dec 2015 12:33:22 +0900
> From: YAMAMOTO Mitsuharu <address@hidden>
> Cc: Eli Zaretskii <address@hidden>,
>       martin rudalics <address@hidden>,
>       emacs-devel <address@hidden>
> > 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?


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