https://bugs.kde.org/show_bug.cgi?id=433003
Bug ID: 433003
Summary: PDF rendering on dual screen setup with different
per-screen scaling appears broken
Product: okular
Version: 20.12.2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: PDF backend
Assignee: okular-devel@kde.org
Reporter: michele.kip...@tutamail.com
Target Milestone: ---
Created attachment 135716
--> https://bugs.kde.org/attachment.cgi?id=135716&action=edit
Main screen (100% scale factor)
SUMMARY
I noticed that Okular renders PDF files poorly when the scaling factor differs
between the two screens of a multi-monitor setup.
STEPS TO REPRODUCE
1. Be on Windows 10
2. Have a dual-screen setup with one screen set to 125% and the other to 100%
scaling
3. Open a PDF file
OBSERVED RESULT
Rendering is broken (rendering artifacts, jagged lines, missing details etc...)
on the screen set to 100% scaling, but pixel perfect on the other
EXPECTED RESULT
Rendering is pixel perfect regardless of screen scaling differences
SOFTWARE/OS VERSIONS
Windows: Windows 10 build 19042
KDE frameworks: 5.79.0
Qt Version: 5.15.2
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