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From: Lars Ingebrigtsen <larsi@gnus.org>
To: ynyaaa@gmail.com
Cc: 46554@debbugs.gnu.org
Subject: bug#46554: 27.1; 180 degree rotated image is displayed in slightly different position
Date: Tue, 16 Feb 2021 14:06:40 +0100	[thread overview]
Message-ID: <87wnv8w49r.fsf@gnus.org> (raw)
In-Reply-To: <86pn10tkg5.fsf@gmail.com> (ynyaaa@gmail.com's message of "Tue, 16 Feb 2021 18:45:30 +0900")

ynyaaa@gmail.com writes:

> THe form below displays same image with different :rotation.
> The third image is rotated by 180 degree and is displayed in slightly
> different position. There is one pixel gap on the top and left edges of
> the image.
>
> (let ((buf (generate-new-buffer "tmp"))
>       (svg "<svg width=\"50\" height=\"50\"
>  version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">
> <rect x=\"0.5\" y=\"0.5\" width=\"49\" height=\"49\"

[...]

> System Description: Microsoft Windows 10 Pro (v10.0.1909.18363.1379)

I'm unable to reproduce this on Debian bullseye, so perhaps it's a
Windows-specific problem?  My guess it that it's system-dependent where
the OS sets the midpoint when rotating?  The image here is 49 pixels
high, though, so the midpoint should be unambiguous, but...

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2021-02-16 13:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-16  9:45 bug#46554: 27.1; 180 degree rotated image is displayed in slightly different position ynyaaa
2021-02-16 13:06 ` Lars Ingebrigtsen [this message]
2021-02-16 21:15 ` Alan Third
  -- strict thread matches above, loose matches on Subject: below --
2021-02-16 10:17 bug#46556: 27.1; transparent images are displayed incorrectly if rotated ynyaaa
2021-02-16 13:10 ` Lars Ingebrigtsen
2021-02-16 21:24   ` Alan Third
2021-02-17 17:05     ` Eli Zaretskii
2021-02-17 19:26       ` Alan Third
2021-02-17 19:57         ` bug#46554: 27.1; 180 degree rotated image is displayed in slightly different position Eli Zaretskii

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