Bug 431372

Summary:	Loading page color is white when invert Luma/lightness is enabled
Product:	[Applications] okular	Reporter:	itsbluediting2
Component:	general	Assignee:	Okular developers <okular-devel>
Status:	RESOLVED FIXED
Severity:	minor	CC:	laura.stern, nate
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Microsoft Windows
OS:	Microsoft Windows
Latest Commit:	https://invent.kde.org/graphics/okular/commit/01c240c06db0e7946536dbf969a7fec9686f940a	Version Fixed In:	21.04
Sentry Crash Report:

Description itsbluediting2 2021-01-09 23:47:51 UTC

SUMMARY


STEPS TO REPRODUCE
1. Load a pdf
2. Enable invert lightness or invert luma in accessibility settings
3. Quickly scroll through or zoom using ctrl+mouse wheel 

OBSERVED RESULT
Loading pages have a white background.

EXPECTED RESULT
Dark loading pages, as seen when "Invert Colors" is enabled

SOFTWARE/OS VERSIONS
Windows: 10, 10.0.18363

ADDITIONAL INFORMATION
Couldn't find my version in the dropdown list, I am using Okular 20.04.0 downloaded from chocolatey

Comment 1 Bug Janitor Service 2021-04-04 12:48:36 UTC

A possibly relevant merge request was started @ https://invent.kde.org/graphics/okular/-/merge_requests/395

Comment 2 Laura David Hurka 2021-04-04 13:52:37 UTC

Git commit 01c240c06db0e7946536dbf969a7fec9686f940a by David Hurka.
Committed on 04/04/2021 at 12:46.
Pushed by davidhurka into branch 'release/21.04'.

Fix white background flashing up when using Invert Lightness/Luma

These color modes make white background black,
but PagePainter wasn’t updated to draw black background
when pixmaps are not yet available.

M  +3    -0    part/pagepainter.cpp

https://invent.kde.org/graphics/okular/commit/01c240c06db0e7946536dbf969a7fec9686f940a