https://bugs.kde.org/show_bug.cgi?id=474846
Bug ID: 474846
Summary: Bogus format inference warnings with `.ico` files:
Image format is actually "ico" not "ico"
Classification: Applications
Product: gwenview
Version: 23.08.1
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: gwenview-bugs-n...@kde.org
Reporter: k...@scheimong.net
Target Milestone: ---
Created attachment 161852
--> https://bugs.kde.org/attachment.cgi?id=161852&action=edit
A few example icons
SUMMARY
When opening an `.ico` file, gwenview emits bogus format inference warnings on
stderr:
```
$ gwenview foo.ico
kf.i18n.kuit: "Unknown subcue ':whatsthis,' in UI marker in context
{@info:whatsthis, %1 the action's text}."
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type
"image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: QImageReader::read() using format hint "ico"
failed: "Unknown error"
org.kde.kdegraphics.gwenview.lib: A bad Qt image decoder moved the buffer to 22
in a call to canRead()! Rewinding.
org.kde.kdegraphics.gwenview.lib: Image format is actually "ico" not "ico"
org.kde.kdegraphics.gwenview.lib: Gwenview cannot apply color profile on
QImage::Format_ARGB32_Premultiplied images
```
The image viewer still opens and displays the image correctly, which is why I
reported this as a minor issue. But this shows that the inference
implementation is likely buggy.
STEPS TO REPRODUCE
1. Obtain a valid `.ico` image
2. In a terminal, run `gwenview <image.ico>`
3. Observe the output of stderr
OBSERVED RESULT
Bogus warnings.
EXPECTED RESULT
Format inference succeeds without warnings.
SOFTWARE/OS VERSIONS
Operating System: EndeavourOS
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10
Kernel Version: 6.5.4-arch2-1 (64-bit)
Graphics Platform: X11
ADDITIONAL INFORMATION
See attached for a few `.ico` files. But I think any valid `.ico` file will do.
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