https://bugs.kde.org/show_bug.cgi?id=441755
Bug ID: 441755
Summary: Smudge brushes have buggy interaction with Value
option on 16-bit float and above color depths
Product: krita
Version: 5.0.0-beta1
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Brush engines
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Smudge brushes in Krita 5 can experience malformed hue changes when utilizing
the Value sensor on 16-bit float and above documents. This doesn't occur in
Krita 4 so it's a regression. Occurs regardless of smudge algo used.
STEPS TO REPRODUCE
1. Create a 16-bit float document.
2. Select Wet Knife brush.
3. Select and enable Value option, turn off Pressure sensor, enable Fuzzy Dab.
4. Make some red strokes.
OBSERVED RESULT
There are malformed streaks of blue appearing in the strokes. The issue is
exaggerated in 32-bit float.
EXPECTED RESULT
No malformed streaks of blue.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian sid
KDE Plasma Version: 5.21.5
KDE Frameworks Version: 5.85.0
Qt Version: 5.12.11 (Appimage)
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