https://bugs.kde.org/show_bug.cgi?id=472479
Bug ID: 472479
Summary: Gradient map filter failed to work on high bit depth
Classification: Applications
Product: krita
Version: git master (please specify the git hash!)
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Filter Layers
Assignee: krita-bugs-n...@kde.org
Reporter: qamp...@hotmail.com
Target Milestone: ---
Created attachment 160435
--> https://bugs.kde.org/attachment.cgi?id=160435&action=edit
Video describing the bug
git master 887a540d0b571c4b0cf9d0618e6469375f3b5e15
SUMMARY
Gradient map filter layer didn't seem to work on high bit depth image with
current master (887a540).
STEPS TO REPRODUCE
1. Create a high bit depth canvas (>8 bpc)
2. Paint with some grayscale / BW gradient
3. Use gradient map filter layer
OBSERVED RESULT
Gradient map didn't applied properly and looks flat. And when the 2nd point
gets dragged quite closer to the first one, the colors are broken.
EXPECTED RESULT
The colors are mapped properly
SOFTWARE/OS VERSIONS
Windows: 10 64bit
ADDITIONAL INFORMATION
Digging deeper, I tried to revert commit 6af8af9 (Remove the profile parameter
from to/from QColor) and the gradient map seems to work normally again.
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