https://bugs.kde.org/show_bug.cgi?id=510438
Bug ID: 510438
Summary: Show transparency with checkerboard and solid color
background does not fill entire image when using
fractional scaling
Classification: Applications
Product: gwenview
Version First 25.08.1
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 185633
--> https://bugs.kde.org/attachment.cgi?id=185633&action=edit
Transparent background does not scale with fractional scaling
SUMMARY
Transparent images only show the checkerboard or solid color background at the
top left of the image for larger transparent images while using fractional
scaling.
STEPS TO REPRODUCE
1. Set display configuration to use fractional scaling
2. Set background color mode by right clicking the image
3. Set Configure Gwenview > Image View > Show transparency with: to either
checkerboard or solid color background that is different from the background
color
4. Open a large enough transparent image
OBSERVED RESULT
Checkerboard/solid color background fills part of the image.
EXPECTED RESULT
Checkerboard/solid color background should extend to the full image.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: CachyOS
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.18.0
Qt Version: 6.9.2
ADDITIONAL INFORMATION
Wayland
150% Display Scaling
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