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bug#54862: 28.1; window-text-pixel-size sometimes fails to report accura
From: |
Eli Zaretskii |
Subject: |
bug#54862: 28.1; window-text-pixel-size sometimes fails to report accurate pixel-width |
Date: |
Tue, 26 Apr 2022 15:04:35 +0300 |
> Date: Tue, 12 Apr 2022 17:21:32 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 54862@debbugs.gnu.org
>
> > 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.
No further comments for 2 weeks, so I'm boldly marking this bug done.