https://bugs.kde.org/show_bug.cgi?id=480651
Bug ID: 480651
Summary: Exporting to JXL lowers the colour depth 8 bpp
Classification: Applications
Product: digikam
Version: 8.2.0
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: AdvancedRename-BatchQueueManager
Assignee: digikam-bugs-n...@kde.org
Reporter: rafael.linux.u...@gmail.com
Target Milestone: ---
SUMMARY
When exporting 16bpp TIFF files to JXL, Digikam lowers the colour depth to
8bpp. Please fix the problem, as I always use Digikam and I want to convert all
my TIFF files to JXL.
I would also like to comment that the JXL format has more advanced export
options that are not available in Digikam.
STEPS TO REPRODUCE
1. Select a TIFF file with 16 bpp color
2. Click on "Batch process"
3. Select "Convert to JXL" and "Lossless file"
4. Click on "Execute" ("Play" button)
OBSERVED RESULT
Exported JXL file bit depth is lowered to 8 bpp
EXPECTED RESULT
Exporte JXL file should have same bit depth than original TIFF file.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240128
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.114.0
Qt Version: 5.15.12
Kernel Version: 6.7.1-2-default (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
GIMP and Krita export same TIFF file to JXL respecting bit depth.
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