Bug 412446 - Animated webp with transparency don't render properly
Summary: Animated webp with transparency don't render properly
Status: CONFIRMED
Alias: None
Product: gwenview
Classification: Applications
Component: general (other bugs)
Version First Reported In: 19.08.1
Platform: Neon Linux
: NOR normal
Target Milestone: ---
Assignee: Gwenview Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-09-29 12:43 UTC by Marcin Gurtowski
Modified: 2025-09-04 14:40 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:

Attachments
Example image (93.96 KB, image/webp)
2019-10-07 02:47 UTC, Nate Graham 		Details
View All Add an attachment

Note You need to log in before you can comment on or make changes to this bug.
Description Marcin Gurtowski 2019-09-29 12:43:22 UTC 
SUMMARY
Animated webp's, such as this one: https://files.catbox.moe/092t02.webp
don't render properly. Image from old frames cleared and stays visible. Sometimes parts that should show image stay blank.


SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.16
KDE Plasma Version: 5.16.5
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.3
Kernel Version: 5.0.0-29-generic
OS Type: 64-bit
Processors: 4 × Intel® Core™ i5-4690K CPU @ 3.50GHz
Memory: 7,7 GiB
Comment 1 Nate Graham 2019-10-07 02:47:10 UTC 
Created attachment 123074 [details]
Example image

Yikes!

Attaching image just in case the link breaks.
Comment 2 Patrick Silva 2020-01-30 19:12:43 UTC 
The same occurs when I open the attachment with Qt viewers qimgv and PhotoQt.
Comment 3 A Linux User 2025-09-04 12:18:33 UTC 
Thank you for the bug report. Unfortunately we were not able to get to it yet. Can we ask you to please check if this is still an issue with Gwenview 25.08.0 (the latest released version)?