Created attachment 164016 [details] Screenshot of wrong paper color SUMMARY On some PDFs, the paper color appears black until you zoom in and out again. STEPS TO REPRODUCE 1. Open PDF 2. Observe incorrect paper color 3. Zoom 4. Observe correct paper color Operating System: EndeavourOS KDE Plasma Version: 5.27.10 KDE Frameworks Version: 5.112.0 Qt Version: 5.15.11 Kernel Version: 6.6.4-arch1-1 (64-bit) Graphics Platform: X11
Created attachment 164017 [details] Screenshot showing correct paper color after zooming
Created attachment 164018 [details] Example PDF
Can't reproduce, do you have some non standard setup either in Plasma or in okular accessiblitt settings that could be interferring here?
(In reply to Albert Astals Cid from comment #3) > Can't reproduce, do you have some non standard setup either in Plasma or in > okular accessiblitt settings that could be interferring here? No, not as far as I'm aware. Accessibility settings are default, and I'm using plain-old Breeze Dark. Maybe worth mentioning that I do use color management in plasma settings to apply a profile - I don't know if that's relevant?
ok, needs someone that can reproduce the issue and then they can fix it
(In reply to Albert Astals Cid from comment #5) > ok, needs someone that can reproduce the issue and then they can fix it Do you have any recommendations as to how I could begin to try to isolate the issue? I'm not seeing anything when opening via the terminal.
(In reply to nathan from comment #6) > (In reply to Albert Astals Cid from comment #5) > > ok, needs someone that can reproduce the issue and then they can fix it > > Do you have any recommendations as to how I could begin to try to isolate > the issue? I'm not seeing anything when opening via the terminal. Actually, I think I've got it. The issue only occurs when ~/.config/okular-generator-popplerrc contains: OverprintPreviewEnabled=true Which is a shame because overprint preview is quite important for me.
Kevin, an overprint preview bug, maybe you can have a look?
I can indeed confirm it. Now I don't have much bandwidth at the moment, so don't hold your breath... in any case, at first glance, it looks like it might be something in Poppler/Qt rather than Okular itself.
Same here, can confirm that it depends on "Overprint preview" enabled and can be temporarily fixed by changing the zoom factor. Operating System: KDE neon 6.0 KDE Plasma Version: 6.1.0 KDE Frameworks Version: 6.3.0 Qt Version: 6.7.0 Kernel Version: 6.5.0-41-generic (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i5-8250U CPU @ 1.60GHz Memory: 23,2 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics 620