On Wed, Apr 18, 2012 at 9:14 PM, Florian Neukirchen <riannek web de> wrote: > Hi, > > I am trying to figure out how to get gnome-color-manager (on fedora 16 / > gnome 3.4) to work together with graphics applications. I stumbled over > a mail by Øyvind Kolås, saying the opposite of every other website I've > read (e.g. http://blog.pcode.nl/2012/01/29/color-management-on-linux/). > > "you most likely are better off working directly in sRGB in GIMP with > color management disabled. Letting colord / gnome-color-manager or > similar do it's job of adjusting sRGB according to your displays > profile. Having both global color correction and GIMP's display filter > would lead to double correction and thus incorrect results." > > https://mail.gnome.org/archives/gimp-developer-list/2012-April/msg00108.html > > The point is, with the profile I created with gnome-color-manager, I get > a decent result (comparing screen with test images) as long as "use > system profile" is switched off in GIMP 2.6 / Darktable 1.0. However, > with EOG 3.2, grey darker as 20 % already looks black, making EOG > useless. The same happens with GIMP and Darktable using the system > profile. Is this by any chance on a laptop display? Since I've seen similar things happen. I haven't been able to properly research this. This may actually be an Argyll issue, but I haven't really double checked that. I've attached a patch for GCM which could possibly help as a workaround. However I didn't submit it to hughsie yet, because I haven't extensively tested it yet. Regards, Pascal de Bruijn
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