https://bugs.kde.org/show_bug.cgi?id=375479
Bug ID: 375479
Summary: 16-bit files are too bright; Krita should read the
TIFFTAG_DCSGAMMA tag
Product: krita
Version: 3.1.1
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: File formats
Assignee: krita-bugs-n...@kde.org
Reporter: kdeb...@plast.id.au
Target Milestone: ---
= Steps to reproduce =
* Process RAW image with Ufraw; export as 16-bit TIFF.
* Import image into Krita.
= Observed result =
* Image looks too bright.
= Expected result =
* Image looks normal. This is confirmed in Gimp (git version), Dolphin's
preview, and Gwenview.
* See screenshot showing Gimp on the left and Krita on the right. As you can
see, the histograms look consistent between the two.
http://i.imgur.com/HsqDcUG.png
* In addition, exporting from Ufraw into 8-bit, then viewing this file in Krita
works fine.
Originally posted in the KDE forum:
https://forum.kde.org/viewtopic.php?f=139&t=138594
boudewijn stated:
> Hm, that tiff file has a tag saying 'sRGB' and a gamma value, but no embedded
> profile, so Krita selects the 1.0 gamma profile, which explains the way it
> looks different.
> Please make a bug report -- we should read the TIFFTAG_DCSGAMMA tag and take
> it into account when selecting the default rgb profile, so this is a bug.
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