https://bugs.kde.org/show_bug.cgi?id=504877
Bug ID: 504877
Summary: Image getting jaggy/messy pixels when pasting anything
Classification: Applications
Product: kolourpaint
Version First unspecified
Reported In:
Platform: Flatpak
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kolourpaint-supp...@lists.sourceforge.net
Reporter: awvalenti+...@gmail.com
Target Milestone: ---
Created attachment 181782
--> https://bugs.kde.org/attachment.cgi?id=181782&action=edit
Sample screenshot of both jaggy and correct displays
SUMMARY
KolourPaint Flatpak 25.04.1 messes up pixels when pasting anything to it.
Please check the attachments.
STEPS TO REPRODUCE
1. Copy anything to clipboard (especially when doing a printscreen)
2. Paste it into KolourPaint
OBSERVED RESULT
Image gets jaggy
EXPECTED RESULT
Image should be exactly as the copied one
SOFTWARE/OS VERSIONS
(available in the Info Center app, or by running `kinfo` in a terminal window)
- kinfo didn't work
Linux/KDE Plasma: Linux Mint 21.3 Cinnamon 64-bit
KDE Plasma Version: don't know
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.3
ADDITIONAL INFORMATION
Saved image is fine. It only is displayed badly during editing
KolourPaint Flatpak 25.04.1 presents the problem.
KolourPaint installed via apt install (v21.12.3, KDE Frameworks 5.92.0, Qt
5.15.3) works fine, does not have this bug.
This may be caused by font scaling factor of 1.3 that I use on Linux Mint.
Flatpak version seems to simply scale everything (including icons on left and
image on canvas) and that causes the problem.
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