Bug 514498 – media-gfx/eog displays desaturated colors when built with +lcms

• Product: Gentoo Linux
• Status: RESOLVED INVALID

[Description Horea Christian 2014-06-23 02:32:59 UTC]

After calibrating my monitor (with dispcalGUI and setting the said profile via the GNOME settings manager, no problem with that) EOG started displaying very desaturated colors. See a question thread here: http://photo.stackexchange.com/questions/52140/per-application-color-management-under-gnome3

After trying multiple things out, apparently the problem lies with EOG - and if the monitor is managed and EOG is built with +lcms it displays colors very weirdly. Emerging it with -lcms solves the issue. 

Do we need +lcms for anything in particular?

[Comment 1 Horea Christian 2014-06-23 02:34:00 UTC]

Created attachment 379442 [details]
screenshot

Screenshot exemplifying how chrome and nautilus display the image correctly but media-gfx/eog +lcms does not

[Comment 2 Alexandre Rostovtsev (RETIRED) 2014-06-23 02:44:28 UTC]

I recommend reporting this issue to upstream EOG developers: https://bugzilla.gnome.org/enter_bug.cgi?product=eog

Please comment here with your new bug's url so we can keep track of it.

Judging from your description, I suspect that either your monitor calibration tool failed and gave you wrong data, or maybe the calibration is right but colord or gnome-settings-daemon is for some reason reading it incorrectly. But maybe this is a real EOG bug.

[Comment 3 Horea Christian 2014-06-23 06:04:26 UTC]

As I said, emerging EOG with -lcms solved the issue. Upstream probably won't know anything about use flags, and since it works nicely with -lcms, I wouldn't say it's an EOG issue, but rather an issue with how Gentoo distributes their code.

[Comment 4 Pacho Ramos 2014-06-23 12:45:01 UTC]

(In reply to Horea Christian from comment #3)
> As I said, emerging EOG with -lcms solved the issue. Upstream probably won't
> know anything about use flags, and since it works nicely with -lcms, I
> wouldn't say it's an EOG issue, but rather an issue with how Gentoo
> distributes their code.

They will know if you simply tell them you compiled it with "--with-cms" option (that is what USE flag is doing), and since the cms support is from upstream... maybe they could help ;)

[Comment 5 Alexandre Rostovtsev (RETIRED) 2014-06-23 12:53:10 UTC]

(In reply to Horea Christian from comment #3)
Upstream understands color management and will be able to see whether your photo looks correct given your monitor's color profile.

[Comment 6 Alexandre Rostovtsev (RETIRED) 2014-06-23 13:12:52 UTC]

And the reason why we have +lcms in the ebuild's IUSE is because --with-cms is the upstream default :)

[Comment 7 Horea Christian 2014-06-26 01:53:58 UTC]

Please see this thread on the gmone bugzilla for the continuation of the discussion.

[Comment 8 Horea Christian 2014-06-26 01:54:17 UTC]

Please see this thread on the gmone bugzilla for the continuation of the discussion:

https://bugzilla.gnome.org/post_bug.cgi

[Comment 9 Gilles Dartiguelongue (RETIRED) 2015-05-17 15:51:17 UTC]

From reading the upstream bug report, this was actually a user problem it seems.
Closing.