Bug 395456

Summary: Some image previews are not shown
Product: [Frameworks and Libraries] frameworks-kio Reporter: Filip Fila <filipfila.kde>
Component: Open/save dialogsAssignee: David Faure <faure>
Status: RESOLVED DUPLICATE    
Severity: normal CC: allar.liiv, kcohar, kdelibs-bugs, nate
Priority: NOR    
Version: 5.47.0   
Target Milestone: ---   
Platform: Other   
OS: Linux   
See Also: https://bugs.kde.org/show_bug.cgi?id=238690
Latest Commit: Version Fixed In:
Attachments: Example of the bug when choosing a wallpaper

Description Filip Fila 2018-06-15 21:47:15 UTC
Created attachment 113359 [details]
Example of the bug when choosing a wallpaper

For me KDialog does not show all image previews, although Dolphin does.

I've attached a photo proof to this post.

It happens regardless of icon size. What it may be related to is image size; the affected images whose previews are not displayed are 4 MiB, 7.3 MiB and 7.9 MiB large. 
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KDialog version: 18.04.2-1
KDE Frameworks version: 5.47.0
Qt Version: 5.11.0
OS: Manjaro Linux
Comment 1 Krešimir Čohar 2018-06-15 21:50:48 UTC
can confirm that this happens to me too, most of the thumbnails load right away, some take some more time to load, others don't seem to load at all
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KDialog version: 18.04.2-1
KDE Plasma Version: 5.13.0
KDE Frameworks Version: 5.47.0
Qt Version: 5.11.0
OS: Manjaro Linux
Comment 2 AL 2018-07-18 05:33:25 UTC
If you google then you can see this bug affects a lot of people and is still present in kde plasma 5.13.2

https://forum.manjaro.org/t/kdialog-not-showing-previews-for-file-sizes-higher-than-3mb/35699

Please fix it
Comment 3 Nate Graham 2018-07-20 15:10:12 UTC

*** This bug has been marked as a duplicate of bug 238690 ***