https://bugs.kde.org/show_bug.cgi?id=508414
Bug ID: 508414
Summary: KolourPaint image preview is pixelated with display
scaling >100%
Classification: Applications
Product: kolourpaint
Version First 25.04.0
Reported In:
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 184201
--> https://bugs.kde.org/attachment.cgi?id=184201&action=edit
App window
SUMMARY
KolourPaint image preview is pixelated when display scaling is set above 100%
STEPS TO REPRODUCE
Set display scaling to more than 100% (e.g. 125% or 150%).
Open an image in KolourPaint.
Look at the internal image preview.
OBSERVED RESULT
The image preview looks very pixelated and low-quality.
EXPECTED RESULT
The image preview should scale smoothly without pixelation.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian GNU/Linux 13
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.2
Kernel Version: 6.15.8-061508-generic (64-bit)
Graphics Platform: X11
Processors: 12 × Intel® Core™ i5-10400F CPU @ 2.90GHz
Memory: 16 GiB of RAM (15.5 GiB usable)
Graphics Processor: AMD Radeon RX 580 Series
Manufacturer: ASUS
ADDITIONAL INFORMATION
See attached screenshot: the image preview in KolourPaint looks very pixelated
when display scaling is above 100%.
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