From: martin rudalics <rudalics@gmx.at>
To: Eli Zaretskii <eliz@gnu.org>
Cc: sebastien@chapu.is, emacs-devel@gnu.org
Subject: Re: [PATCH] Add function window-line-width
Date: Fri, 8 Nov 2019 19:27:47 +0100 [thread overview]
Message-ID: <ae3b26ea-cf92-a64e-052b-3358bc99c932@gmx.at> (raw)
In-Reply-To: <83ftiycxrl.fsf@gnu.org>
> In general, functions that use only the glyph matrices have a
> significant disadvantage in that they will fail when display is not up
> to date, something that can happen out of control of a Lisp program
> that calls the function. So I very much prefer window-text-pixel-size
> to an alternative that uses the glyph matrices. If we find that using
> the glyph matrices is much faster, then I'd prefer to fix
> window-text-pixel-size to use the glyph matrices when possible, and
> otherwise fall back to its current method. See move-point-visually
> for one example of how this can be done.
Agreed. Sébastien can you try to show "that using the glyph matrices
is much faster"?
martin
next prev parent reply other threads:[~2019-11-08 18:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 22:49 [PATCH] Add function window-line-width Sébastien Chapuis
2019-11-07 8:40 ` martin rudalics
2019-11-07 8:50 ` martin rudalics
2019-11-08 4:54 ` Sébastien Chapuis
2019-11-08 9:21 ` martin rudalics
2019-11-08 13:18 ` Eli Zaretskii
2019-11-08 18:27 ` martin rudalics [this message]
2019-11-09 22:09 ` Sébastien Chapuis
2019-11-10 9:46 ` martin rudalics
2019-11-10 19:02 ` Sébastien Chapuis
2019-11-14 10:08 ` Eli Zaretskii
2019-11-14 9:11 ` Eli Zaretskii
2019-11-07 9:23 ` Robert Pluim
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