https://bugs.kde.org/show_bug.cgi?id=497576
Bug ID: 497576
Summary: Preview pixelation and scale problems in Dolphin after
upgrade from Dolphin 24.08.3 -> 24.12.0
Classification: Applications
Product: dolphin
Version: 24.12.0
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: panels: information
Assignee: dolphin-bugs-n...@kde.org
Reporter: h...@oirnoir.dev
CC: kfm-de...@kde.org
Target Milestone: ---
SUMMARY
Upon updating to dolphin 24.12.0, the information panel (F11) in Dolphin now
displays previews wrongly for images. Instead of fitting the image, it fills
it, cutting off the longer side. In addition, it seems unusually pixelated,
even for high resolution images. I was able to reproduce this on a clean
install in a VM.
STEPS TO REPRODUCE
- Install Fedora 41 KDE spin
- Obtain any non-square (so, either horizontal or vertical) image in either png
or jpg format
- In Dolphin, navigate to the directory containing your image
- Enable the information portal via hamburger menu → Show Panels → Information
- Hover over the image
OBSERVED RESULT
Part of the image is now cut off, and it may look slightly pixelated.
EXPECTED RESULT
The entire image is shown within the borders of the preview, and it doesn’t
look pixelated
SOFTWARE/OS VERSIONS
Windows:
macOS:
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: Linux 6.12.4
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.1
ADDITIONAL INFORMATION
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