https://bugs.kde.org/show_bug.cgi?id=527579
Bug ID: 527579
Summary: The Marker blending mode does not work properly in
floating point bit depth
Classification: Applications
Product: krita
Version First 6.0.4
Reported In:
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 197499
--> https://bugs.kde.org/attachment.cgi?id=197499&action=edit
The result of two low opacity brush stroke on separate layers blended with the
marker blending mode
DESCRIPTION
The Marker blending mode produces serious artifacts in floating point bit depth
when mixing two colors with low opacity. This happens both when using it for
brushes or as a layer blending mode.
STEPS TO REPRODUCE
1. Create two paint strokes with low opacity on top of each other on two
separate layers
2. Set the top layer to the marker blending mode
OBSERVED RESULT
The result produces bizarre color artifacts.
EXPECTED RESULT
It should blend just like in integer bit depths.
SOFTWARE/OS VERSIONS
Windows 11 Pro 26H2
Qt Version: 6
ADDITIONAL INFORMATION
Also happens in Krita 5.3.4.
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