https://bugs.kde.org/show_bug.cgi?id=501748
Bug ID: 501748
Summary: MyPaint Engine brushes too bright in 16bit
integer/channel color depth
Classification: Applications
Product: krita
Version: 5.2.9
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Brush engines
Assignee: krita-bugs-n...@kde.org
Reporter: sirmcscota...@gmail.com
Target Milestone: ---
Created attachment 179577
--> https://bugs.kde.org/attachment.cgi?id=179577&action=edit
Shows brush strokes at 8 bit and 16 bit, with Krita brush engine and MyPaint
brush engine respectively
SUMMARY
When using any myPaint engine brush, any color applied comes out brighter than
what was picked if using 16 bit integer/channel color depth. Tested with
included myPaint brushes such as "Wet Paint Plus"
STEPS TO REPRODUCE
1. Set image to RGB/Alpha, 16 bit integer/channel mode, default profile
2. Pick myPaint engine brush and any color
3. Paint at max opacity
OBSERVED RESULT
The applied color will come out brighter than what was picked, regardless of
pen pressure
EXPECTED RESULT
The picked color should be applied when using max pressure
SOFTWARE/OS VERSIONS
OS
Windows 11
Krita
Version: 5.2.9 (git ac6cae8)
Installation type: installer / portable package
Hidpi: true
Qt
Version (compiled): 5.15.7
Version (loaded): 5.15.7
OS Information
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.22631
Pretty Productname: Windows 10 Version 2009
Product Type: windows
Product Version: 10
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