https://bugs.kde.org/show_bug.cgi?id=485063
Bug ID: 485063
Summary: When resizing Gwenview with a fractional screen scale
factor, images lose vertical/horizontal lines of
pixels
Classification: Applications
Product: gwenview
Version: 24.02.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 168169
--> https://bugs.kde.org/attachment.cgi?id=168169&action=edit
Screenshot of Gwenview with missing pixels in the image shown at 100%.
SUMMARY
When I open Gwenview on a monitor set to a fractional scale factor, images
shown at 100% are often missing rows/columns of pixels.
STEPS TO REPRODUCE
1. Set a monitor to a fractional scale factor (eg. 125% or 150%). The issue
occurs on both X11 and Wayland. On X11, the same result happens with a font
scale factor (though this didn't cause issues on KDE 5/Qt5).
2. Open an image on that monitor (most visible with screenshots).
3. Resize the window to make missing pixels appear and disappear.
OBSERVED RESULT
Rows and columns of the image disappear.
- You'll probably want to start with a screenshot taken on X11, because Bug
483876 causes Spectacle itself to capture blurry images of Gwenview. This also
prevents me from taking a picture of this bug on Wayland.
EXPECTED RESULT
The image is shown pixel-perfectly on-screen.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.3
Kernel Version: 6.7.4-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: AMD Radeon RX 570 Series
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: B550M DS3H
ADDITIONAL INFORMATION
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