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bug#46554: 27.1; 180 degree rotated image is displayed in slightly diffe
From: |
Lars Ingebrigtsen |
Subject: |
bug#46554: 27.1; 180 degree rotated image is displayed in slightly different position |
Date: |
Tue, 16 Feb 2021 14:06:40 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
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