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From: Eli Zaretskii <eliz@gnu.org>
To: Markus Triska <triska@metalevel.at>
Cc: 54862@debbugs.gnu.org
Subject: bug#54862: 28.1; window-text-pixel-size sometimes fails to report accurate pixel-width
Date: Tue, 12 Apr 2022 17:21:32 +0300	[thread overview]
Message-ID: <83tuay4c2b.fsf@gnu.org> (raw)
In-Reply-To: <m2h76za23g.fsf@metalevel.at> (message from Markus Triska on Mon,  11 Apr 2022 20:48:03 +0200)

> From: Markus Triska <triska@metalevel.at>
> Date: Mon, 11 Apr 2022 20:48:03 +0200
> 
> 
> To reproduce this regression, please invoke Emacs with:
> 
>     $ emacs -Q
> 
> and then evaluate the following form:
> 
>     (let ((width 20))
>       (= width (let* ((height (line-pixel-height))
>                       (data (with-temp-buffer
>                               (insert (format "P1\n%s %s\n" width height))
>                               (dotimes (_ height)
>                                 (insert (make-string width ?1) "\n"))
>                               (buffer-string))))
>                  (insert " ")
>                  (let ((from (point)))
>                    (insert-image `(image :type pbm :data ,data :ascent center) "t")
>                    (car (window-text-pixel-size nil from (point)))))))
> 
> The expected result, obtained for example in Emacs 26.1 and 27.1, is: t.
> 
> Whereas with Emacs 28.1, evaluating the form unexpectedly yields: nil.

Thanks, should be fixed now on the release branch and on master.





  parent reply	other threads:[~2022-04-12 14:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-11 18:48 bug#54862: 28.1; window-text-pixel-size sometimes fails to report accurate pixel-width Markus Triska
2022-04-12 10:35 ` Lars Ingebrigtsen
2022-04-12 14:21 ` Eli Zaretskii [this message]
2022-04-26 12:04   ` Eli Zaretskii

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