[Digikam-devel] [digikam] [Bug 332598] seems to display wrong colours on TIFF files

[Christoph Anton Mitterer]

https://bugs.kde.org/show_bug.cgi?id=332598

--- Comment #9 from Christoph Anton Mitterer <calestyo at scientia.net> ---
Yeah... well... maybe I have to take everything back O:-)

Uhm I found out in the meantime, that imagemagick's display seem to not support
color profiles at all (except, showing their names)... and eog seems to only
support them for JPEG, but not for TIFF.
This eventually tricked me to believe that digikam/gimp were wrong, but maybe/I
guess they're not.

Now I've created a new set of scan's with silverfast:
http://christoph.anton.mitterer.name/tmp/public/1e7337c4-b9a1-11e3-9385-502690aa641f/c/
The readme tells which file is scanned with which parameters...

Something strange happens now:

The files that I've scanned with the Epson scanner profile,...
=> look all the same in programs that DO (I guess) support color profiles (like
digikam)
=> look way different in programs that DON'T support color profiles

The files that I've scanned with NO scanner profile,...
=> look all the same in programs that DON'T (I guess) support color profiles
=> look way different in programs that DO support color profiles

Okay I don't understand that behaviour... but at least it seems digikam is
right.
Also, looking at these test images:
http://www.color.org/version4html.xalter
seems to show, that color support in digikam is working (and I've converted
them to TIFF as well, and there it works too).

Please confirm that behaviour and then we can close the bug as invalid I guess.

Cheers,
Chris.

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