[plasmashell] [Bug 412326] Colours of desktop wallpaper is different from same image in Gwenview

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=412326

--- Comment #3 from Christoph Feck  ---
Gwenview does support ICC color correction, Plasma does not. Work on ICC color
profile support for QImage will only be added to Qt 5.14, which is not released
yet.

Until then, I think it doesn't make sense to add color correction into each KDE
application or desktop shell separately.

Regarding Firefox, I am quite sure it also has support for ICC profiles. Note
that Gwenview can be configured for various rendering intents, and it is
possible that you selected an option resulting a different image than Firefox,
or the color correction in Firefox is disabled.

I suggest to keep this open to remind us that Plasma eventually needs to add
some QImage property to respect the ICC profile when we can depend on Qt 5.14,
which might be for Plasma 5.19 earliest, likely later.

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[plasmashell] [Bug 412326] Colours of desktop wallpaper is different from same image in Gwenview

[Syam]

https://bugs.kde.org/show_bug.cgi?id=412326

--- Comment #2 from Syam  ---
I just realised that Firefox also renders the image with similar colour
saturation as plasma wallpaper. So, I guess Gwenview is the culprit and not
plasma.

If someone can concur with this inference, we will move the report against
gwenview.

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[plasmashell] [Bug 412326] Colours of desktop wallpaper is different from same image in Gwenview

[Syam]

https://bugs.kde.org/show_bug.cgi?id=412326

--- Comment #1 from Syam  ---
This is the image I used as wallpaper.

https://pasteboard.co/Iz3B9KX.jpg

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