https://bugs.kde.org/show_bug.cgi?id=431197
Bug ID: 431197
Summary: Fonts in KDE are fuzzy.
Product: kde
Version: unspecified
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: pjsingh5...@gmail.com
Target Milestone: ---
Created attachment 134595
--> https://bugs.kde.org/attachment.cgi?id=134595&action=edit
Screenshot demonstrating font rendering issue
SUMMARY
-------
Fonts in KDE are fuzzy.
STEPS TO REPRODUCE
------------------
1. Boot into KDE
2. Select Full hinting
3. Select RGB Anti-aliasing
4. Open a text editor and type text
5. Take a screenshot of the text
6. Open the screen shot in an mage editing application and zoom in (x1600).
7. Notice that the text was rendered using gray-scale (there are grey pixel
"fringes" on the text).
8. Repeat steps 2-6 in a non-QT based DE (such as Gnome)
9. Notice the fonts are rendered using RGB anti-aliasing (there are colored
pixel "fringes" on the text).
OBSERVED RESULT
---------------
Fonts in KDE are fuzzy.
This is present in all applications and is especially noticeable for fonts
rendered on colored backgrounds, such as used by Kicker.
EXPECTED RESULT
---------------
Subjectively, fonts should look sharp.
Objectively, the fonts in step 7 above (zoomed in) should have colored pixel
"fringes" demonstrating that anti-aliasing was applied correctly.
SOFTWARE/OS VERSIONS
--------------------
Windows: N/A
macOS: N/A
Linux/KDE Plasma: KDE Neon 5.20 (based on Ubuntu 20.04)
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.77.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
This issue occurs with other KDE based DEs as well (such as Kubuntu).
I believe this may be an issue with the Qt framework and how it buffers text
before rendering to the screen.
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