https://bugs.kde.org/show_bug.cgi?id=413857
Bug ID: 413857
Summary: Separate Image > Output to color produces incorrect
channels with higher bit depth documents
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Using Image > Separate Image... with the enabled option "Output to color, not
grayscale" confuses the separated channels if the image uses anything else than
8-bit per channel. All color models I tested (RGB, LAB, CMYK) produced the
issue.
STEPS TO REPRODUCE
1. Open an image that uses 16 or 32-bit per channel
2. Use Image > Separate Image... and enable the Output to color checkbox
3. Hide the original layer(s), inspect the separated layers
OBSERVED RESULT
Channel layers can be swapped or empty, so the full color image cannot be
assembled correctly.
EXPECTED RESULT
Correctly split channels, same as with 8-bit depth.
SOFTWARE/OS VERSIONS
Tested in master (git 179649c) and 4.2.7.1 from distro repos, both showing the
same issue.
ADDITIONAL INFORMATION
Small usability gripe - Using the new "Activate the current channel" option
that's present in master will give all channel layers the Inherit Alpha
property, so they can't be seen unless there is a solid layer behind them.
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