https://bugs.kde.org/show_bug.cgi?id=505020
Bug ID: 505020
Summary: Scaled-up image preview in viewer window becomes
blurry when moved from high DPI scaled screen to lower
DPI unscaled screen
Classification: Applications
Product: Spectacle
Version First git-master
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Keywords: multiscreen
Severity: minor
Priority: NOR
Component: General
Assignee: noaha...@gmail.com
Reporter: n...@kde.org
CC: k...@david-redondo.de
Target Milestone: ---
Created attachment 181900
--> https://bugs.kde.org/attachment.cgi?id=181900&action=edit
Viewer window on high dpi scaled screen: nice clear image
STEPS TO REPRODUCE
1. Have two screens, one with lower DPI at 100% scale (in my case 23"
2560@1440), and one with higher DPI set to a higher scale (in my case 14"
2880x1800@175%)
2. Use Spectacle to take a small-ish Rectangular Region screenshot of under
400x400px on the higher DPI screen
3. Drag the viewer window to the other window
OBSERVED RESULT
The image preview becomes blurry
EXPECTED RESULT
The image preview remains sharp, because the screenshot size is smaller than
the size of the viewer window, so there are definitely be enough physical
pixels to display it scaled up without becoming blurry
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.0
Kernel Version: 6.14.8-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon™ 780M Graphics
Memory: 16 GiB of RAM (14.9 GiB usable)
Graphics Processor: AMD Radeon 780M
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