Bug 273345 - gwenview unable to display JPEG and some PNG images while 30 bit display depth is enabled
Summary: gwenview unable to display JPEG and some PNG images while 30 bit display dept...
Status: CONFIRMED
Alias: None
Product: gwenview
Classification: Applications
Component: general (other bugs)
Version First Reported In: 2.6
Platform: Gentoo Packages Linux
: NOR normal
Target Milestone: ---
Assignee: Gwenview Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-05-15 15:33 UTC by Davide Bettio
Modified: 2025-09-04 14:39 UTC (History)
0 users

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Description Davide Bettio 2011-05-15 15:33:45 UTC 
Version:           2.6 (using KDE 4.6.2) 
OS:                Linux

When 30 bit display color depth is enabled in xorg.conf (DefaultDepth 30 and Depth 30) gwenview is unable to display correctly any image that hasn't got an alpha channel (for example JPEGs are not displayed correctly while PNGs are displayed correctly if they have an alpha channel). When this issue happens gwenview displays blue/violet corrupted images. This issue doesn't happen with kolourpaint/okular or image magik display.


Reproducible: Didn't try

Steps to Reproduce:
Enable 30 bit color depth.



Hardware: nvidia quadro 4000 2 Gb 
Driver version: nvidia-drivers-260.19.36

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "Quadro 4000"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    30
    Option         "TwinView" "0"
    Option         "metamodes" "2560x1600_60 +0+0"
    SubSection     "Display"
        Depth       30
    EndSubSection
EndSection
Comment 1 Davide Bettio 2011-05-15 15:39:18 UTC 
gwenview screenshot: http://img810.imageshack.us/img810/5844/30bit4.png
Comment 2 Justin Zobel 2021-03-09 02:32:47 UTC 
Thank you for the bug report.

As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists.

If this bug is no longer persisting or relevant please change the status to resolved.
Comment 3 A Linux User 2025-09-04 12:18:35 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)?