| Summary: | No anti-aliasing on rotated image | ||
|---|---|---|---|
| Product: | [Applications] okular | Reporter: | Tobias Bora <tobias.bora> |
| Component: | PDF backend | Assignee: | Okular developers <okular-devel> |
| Status: | REPORTED --- | ||
| Severity: | normal | CC: | tobias.bora |
| Priority: | NOR | ||
| Version First Reported In: | 23.08.5 | ||
| Target Milestone: | --- | ||
| Platform: | Other | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
| Attachments: |
Pdf that showcases the bug
Comparison of firefox rendering (above) vs okular (below) |
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Created attachment 168087 [details]
Comparison of firefox rendering (above) vs okular (below)
Here is a screenshot showcasing the issue, comparing with the good result of firefox. You can for instance consider the blue line below "Les + lus", but also the ugly line pattern in the title, the hard-to-read text etc.
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Created attachment 168086 [details] Pdf that showcases the bug SUMMARY If I render a pdf file with a rotated image (produced via a simple \includegraphics[width=.6\paperwidth,angle=-10]{images/avantage_dwave.png}), the image is not aliased correctly, despite anti-aliasing being enabled in configuration > performances. The same pdf prints just fine in firefox. STEPS TO REPRODUCE 1. Open the attached pdf OBSERVED RESULT Observe ugly staircase-like pattern in lines EXPECTED RESULT This should be aliased like in Firefox SOFTWARE/OS VERSIONS Operating System: NixOS 24.05 KDE Plasma Version: 5.27.10 KDE Frameworks Version: 5.115.0 Qt Version: 5.15.12 Kernel Version: 6.1.80 (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Core™ i5-8365U CPU @ 1.60GHz Memory: 15.5 Gio of RAM Graphics Processor: Mesa Intel® UHD Graphics 620 ADDITIONAL INFORMATION