https://bugs.kde.org/show_bug.cgi?id=447253
Bug ID: 447253
Summary: Gwenview shows PEF raw images only black
Product: gwenview
Version: 21.08.3
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: gwenview-bugs-n...@kde.org
Reporter: tul...@gmx.de
Target Milestone: ---
SUMMARY
I am using Gwenview under Gentoo Linux. After the last update from version
21.04.03 to 21.08.3 (and also with 21.12.0) Gwenview is not able to display PEF
(Pentax raw) images anymore. These images are shown completely black. The error
message is:
gwenview.libtiff: Error foo "Sorry, can not handle images with 14-bit samples"
This error message comes from the Tiff library, but I it is still version 4.3.0
which worked with the older Gwenview version. I don't know if this error is
directly caused by Gwenview or by another library between Gwenview and the Tiff
library. So please tell me what additional information you need. ORF raw images
are still shown correctly.
STEPS TO REPRODUCE
1. Download a PEF file, for example from
https://s3.amazonaws.com/files.dpreview.com/sample_galleries/8034986469/4876920099.pef?X-Amz-Expires=3600&response-content-disposition=attachment%3B%20filename%3D%22IMGP0593.pef%22&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIA4NPXSRZN2I2XWOXX/20211220/us-east-1/s3/aws4_request&X-Amz-Date=20211220T063958Z&X-Amz-SignedHeaders=host&X-Amz-Signature=e72bdba9f09ffc7fecf5d09f3f7547252116ebd87fa7d1f0be2f2ec926714416
2. Open file in Gwenview
OBSERVED RESULT
The image is shown completely black with the following error message:
gwenview.libtiff: Error foo "Sorry, can not handle images with 14-bit samples"
EXPECTED RESULT
Image is shown normally as with version 21.04 and older.
SOFTWARE/OS VERSIONS
Linux: Gentoo Linux with Kernel 5.10.61-gentoo-x86_64
KDE Plasma Version: 5.23.4
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.2
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