[Digikam-devel] [Bug 195050] Color management doesn't work in thumbnails and view mode

Matti Rintala bitti at cs.tut.fi
Mon Aug 24 09:56:08 BST 2009


https://bugs.kde.org/show_bug.cgi?id=195050





--- Comment #5 from Matti Rintala <bitti cs tut fi>  2009-08-24 10:56:05 ---
Thanks Marcel for working on this bug! It's much appreciatated :-)

However, I hope you could change your fix to apply the display profile to
thumbnails too, if colour management is enabled. You said "There is so much
quality loss already in a thumbnail that the little imperfection of ignoring
the monitor profile should be ok".

However, many new displays are wide gamut displays whose native colour space is
*far* from sRGB (most new 24" and larger lcds are wide gamut now, and their
prices are dropping fast). On those displays converting to sRGB and ignoring
the display profile ensures that the thumbnail looks terrible!

So, I would ask you to consider reopening this bug. Wide gamut displays are
becoming the norm with photo enthusiasts, so for thumbnails the current fix
does not solve the problems in the long run. If full color management of
thumbnails is considered too slow, I suggest either reverting the patch for
thumbnails completely, or introducing a new user preference.

Matti Rintala

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