[dolphin] [Bug 500085] New: Symbolic links to files makes the thumbnail scaling in wrong dimensions

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=500085

            Bug ID: 500085
           Summary: Symbolic links to files makes the thumbnail scaling in
                    wrong dimensions
    Classification: Applications
           Product: dolphin
           Version: 24.12.2
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: ors0092 at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 178370
  --> https://bugs.kde.org/attachment.cgi?id=178370&action=edit
demo of the bug

SUMMARY
Few days ago with recent updates, Dolphin thumbnailing system became bugged. If
I start zooming in or out, the thumbnails on symbolic link files are way too
off, compared to the original file's thumbnail. 
In earlier versions, when I had a symbolic link to a file, the thumbnail was
the exact same dimension replica of the original file, and it was just perfect.
For me it is extremely important for this to work again, because I work with a
lot of media files, and usually I separate them with symlinks to sort them, but
currently it is hard to see the thumbnails with incorrect zooming/scaling.
See attachment for better understanding, about the current bug.

STEPS TO REPRODUCE
1. Make a symbolic link to any kind of file next to each other
2. Go into thumbnail view
3. Start zooming in our out and see for yourself of how the thumbnail
dimensions are different and wrongly scaled

OBSERVED RESULT
Thumbnail dimensions are wrongly scaled on symbolic links

EXPECTED RESULT
Thumbnail dimensions must be the same as of the original file's

Operating System: openSUSE Tumbleweed 20250211
KDE Plasma Version: 6.3.0
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
Kernel Version: 6.13.1-1-default (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-6500 CPU @ 3.20GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 1050 Ti/PCIe/SSE2
Manufacturer: MSI
Product Name: MS-7972
System Version: 2.0

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