https://bugs.kde.org/show_bug.cgi?id=483112
Bug ID: 483112
Summary: Pixelated font with fractional scaling
Classification: Plasma
Product: kwin
Version: 6.0.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: simon.adr...@ieee.org
Target Milestone: ---
Created attachment 166870
--> https://bugs.kde.org/attachment.cgi?id=166870&action=edit
KCM using wp-fractional-scale
SUMMARY
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I just upgraded from Plasma 5.27 to Plasma 6.0.1 on ArchLinux. I am on Wayland
(also on 5.27) and using fractional scaling (150%). On Plasma 6.0.1, the fonts
look weird (using Noto Sans at 10 pt): attachment wp-fractional-scale-v1.png is
a screenshot of kcm, which shows, for example, that the horizontal line of the
letter 'e' (see the search field of kcm) is roughly twice as large as the top
or bottom of the letter 'e', which looks weird to me. Or consider the letter
'g' in the word 'Hintergrunddienst' (below 'Sitzung' in the tree menu), where
the bottom part of 'g' is too thin.
In trying to understand, what my be the cause of my problem, I came across
https://bugreports.qt.io/browse/QTBUG-113574
Since I do have the problem with the WebEngine too, I set the environment
variable
QT_SCALE_FACTOR_ROUNDING_POLICY=RoundPreferFloor
Now not only the WebEngine problem is solved, but also kcm looks like before
again. From this, I conclude that before upgrading, the
wp-fractional-scale-v1-extension was not used.
I am wondering if this is a won't fix. If so, I am a bit underwhelmed with the
performance of 'wp-fractional-scale-v1'. Or is there another option that I need
to set?
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