From: martin rudalics <rudalics@gmx.at>
To: Eli Zaretskii <eliz@gnu.org>
Cc: holtzermann17@gmail.com, 19194@debbugs.gnu.org
Subject: bug#19194: 24.4.50; `window-body-width' is not dynamic relative to font size changes
Date: Fri, 28 Nov 2014 19:38:20 +0100 [thread overview]
Message-ID: <5478C11C.6050207@gmx.at> (raw)
In-Reply-To: <83h9xjn1zz.fsf@gnu.org>
>> That's what I'm trying to fathom out here all the time. So when
>> calculating the actual height of a character as it will be displayed in
>> a window I have to apply (in some order) the height attribute specified
>> by (1) the font of the frame the window belongs to, (2) the font of the
>> buffer shown in the window, and (3) the font of the default face.
>
> We always use the current default face's font for this. Otherwise,
> you get to a problem that IMO is insoluble even in principle.
But doesn't that imply that `frame-char-height' is just an artifact?
>> OK. Now how do I get the `default-font-width' from that?
>
> You need help from Emacs, because it knows everything about that
> font's metrics. But we don't have an API for that for now.
I see. Can you provide one?
Thanks, martin
next prev parent reply other threads:[~2014-11-28 18:38 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-26 13:47 bug#19194: 24.4.50; `window-body-width' is not dynamic relative to font size changes Joe Corneli
2014-11-26 15:55 ` Stefan Monnier
2014-11-26 16:34 ` Joe Corneli
2014-11-26 17:06 ` Eli Zaretskii
2014-11-26 16:04 ` Eli Zaretskii
2014-11-27 9:44 ` martin rudalics
2014-11-27 10:54 ` Joe Corneli
2014-11-27 18:35 ` martin rudalics
2014-11-27 18:52 ` Eli Zaretskii
2014-11-27 19:58 ` martin rudalics
2014-11-27 20:43 ` Eli Zaretskii
2014-11-28 7:29 ` martin rudalics
2014-11-28 8:49 ` Eli Zaretskii
2014-11-28 18:38 ` martin rudalics [this message]
2014-11-28 19:20 ` Eli Zaretskii
2014-12-19 19:40 ` Eli Zaretskii
2014-12-20 10:10 ` martin rudalics
2014-12-20 11:52 ` Joe Corneli
2014-12-20 14:49 ` martin rudalics
2014-12-20 16:18 ` Eli Zaretskii
2014-12-20 16:31 ` martin rudalics
2014-12-20 16:47 ` Eli Zaretskii
2014-12-20 17:51 ` martin rudalics
2014-12-20 18:29 ` Eli Zaretskii
2014-11-27 20:23 ` Joe Corneli
2014-11-28 7:27 ` martin rudalics
2014-11-27 16:17 ` Eli Zaretskii
2014-11-27 18:35 ` martin rudalics
2014-11-27 18:46 ` Eli Zaretskii
2014-11-27 19:58 ` martin rudalics
2014-11-27 20:37 ` Eli Zaretskii
2014-11-28 7:27 ` martin rudalics
2014-11-28 8:42 ` Eli Zaretskii
2022-02-10 8:16 ` bug#19194: bug#20022: 24.4.90; window-body-height, window-body-width wrong value after text-scale-adjust Lars Ingebrigtsen
2022-02-10 17:39 ` bug#19194: [External] : " Drew Adams
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