https://bugs.kde.org/show_bug.cgi?id=438514
Bug ID: 438514
Summary: "Invert Screen Colours" results in wrongly rendered
text and different behaviour from "Toggle invert
effect"
Product: kwin
Version: 5.21.5
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: a.skemb...@gmail.com
Target Milestone: ---
Created attachment 139261
--> https://bugs.kde.org/attachment.cgi?id=139261&action=edit
Font rendered incorrectly when the "Invert Screen Colours" option is chosen.
SUMMARY
When searching the keyboard shortcuts options with the keyword "invert", two
options come up:
1) "Invert Screen Colours"
2) "Toggle invert Effect"
Option #2 works as expected.
Option #1 results in text font rendered poorly, with only the edges of the
fonts being rendered (example photo of effect attached).
This seems to happen in some applications like LibreOffice and Word (with
CrossOver) but not others (e.g. Vivaldi's text is rendered normally under
inverted colours no matter what the size.
This is with X11.
I suggest that having two methods / options of doing this is confusing; this
option should be toggled through one avenue only (and work as expected).
STEPS TO REPRODUCE
1. Open "Settings -> Shortcuts" and search using the keyword "invert"
2. Define a shortcut for "Invert Screen Colours" if not already defined) and
use it to invert the screen colours
3. Open LibreOffice, write something and zoom in so that the text appears very
large.
OBSERVED RESULT
Only the text edges are rendered
EXPECTED RESULT
The text colour should be the exact inversion of the original one.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.21.5
KDE Frameworks Version: 5.82.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
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