https://bugs.kde.org/show_bug.cgi?id=485150
Bug ID: 485150
Summary: Started saving images with the mime type
"image/_Common Types"
Classification: Applications
Product: Spectacle
Version: 23.08.5
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: General
Assignee: noaha...@gmail.com
Reporter: k...@coldnight.com
CC: k...@david-redondo.de
Target Milestone: ---
Created attachment 168231
--> https://bugs.kde.org/attachment.cgi?id=168231&action=edit
Zip file containing 2 images showing the error message in Gwentview. One is a
PNG directly from Spectacle, the other is the PNG converted to JPEG by
imagemagik
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SUMMARY
Spectacle screenshots in jpeg or webp format (and others) are consistently
saved with the mime type "image/_Common Types". Gwentview can not open the
files.
STEPS TO REPRODUCE
1. Open Spectacle app
2. Click Configure
3. Click Defaults
4. Capture a screenshot with: Rectangular Region, All Screens, Current Screen,
Active Window, or Window under Cursor
5. Click Save
OBSERVED RESULT
Dolphin displays the resulting png file type as "image/_Common Types".
Gwentview fails to open the screenshots and displays the following error where
[fileName] is the default file name generated by spectacle:
"Loading ‘[fileName].webp’ failed
"Gwenview cannot display documents of type image/_Common Types."
EXPECTED RESULT
Dolphin shows the png file type as "PNG image" and gwentview opens the image
without any errors.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Fully updated Manjaro X11 Distribution with Kernel
6.6.19-1-MANJARO (64-bit)
(available in About System)
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
ADDITIONAL INFORMATION
Testing on Newer Versions: I did not find a newer version of Spectacle through
the Pamac GUI (with snap and flatpack enabled). I did not find Spectacle at all
on Flathub. Spectacle 23.08.5 is the current official Manjaro version.
Problem Started: A few days ago, perhaps when I updated my apps after the xz
exploit surfaced (I have, very rarely, encountered a red error in thep ast in
Gwentview. They can usually be respoved by opening and exporting through GIMP,
though sometimes GIMP can't open them either. I suspect that those were
unrelated, but I can't recall the source of those files or the particular error
messages).
Frequency: Every TIme
File formats and Mime Types:
webp, jpeg, png, tga: have the "image/_Common Types" mime type
bmp, tiff: have the expected mime types
other types: not tested
Actual file format: Files are otherwise as expected. I can open and
convert/export them with ImageMagic and GIMP. Converted and exported files have
the correct mime type regardless of file format chosen, and open in gwentview.
Does "image/_Common Types" Exist?
I didn't find any evidence of it - Googling the quoted string "image/_Common
Types" returns less than a full page of results and suggests "image/Common
Types" which returns about 10k results. Neither search returns front page
results that include the quoted search string. Both return images at the top of
the results, but none of the images are of the quoted mime types. I did not
find anything starting with "image/_" or "image/co" (case insensitive) on mime
type lists hosted by: mozilla.org, mimetype.io, freeformatter.com, or
digipress.org.
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