Am Donnerstag, 24. Oktober 2013, 14:48:09 schrieb Togan Muftuoglu: > Hi,
Hi. > According to the settings (or from what I understand) darktable chooses the > system display profile by either of the two methods: > 1. xatom > 2. colord > > My understanding is if "all" is selected in the settings, darktable tries to > gather info by trying all of the two methods. Exactly. > I use Oyranos in combination with Kolor-Manager of KDE with KDE as the > environment and when I am using a simple displaymanager/windowmanager (i.e. > slim with awesome or sawfish) then xicc is used to load the profile. > Nevertheless in all cases system is color managed. > > So this means for darktable the only available information is coming from > the xatoms as only libcolord is installed. Using xprop to get the info > regarding the _ICC_PROFILE here is the outcome: > > xprop -display :0.0 -len 14 -root _ICC_PROFILE > _ICC_PROFILE(CARDINAL) = > > But when I use the _ICC_DEVICE_PROFILE the information is there: > > xprop -display :0.0 -len 14 -root _ICC_DEVICE_PROFILE > _ICC_DEVICE_PROFILE(CARDINAL) = 0, 0, 79, 12, 97, 114, 103, 108, 2, 32, 0, > 0, 109, 110 darktable looks into _ICC_PROFILE, _ICC_DEVICE_PROFILE is unknown to it (and I have never seen that one referenced before). > There is a slight difference in output between selecting "system display > profile" and the specific profile, which is by the way XYZ Matrix. > > So by using the xatom option does darktable get the information correctly or > is there something missing along the line. It seems to be using the wrong profile (probably sRGB) when you tell it to use the system profile. Do you have any pointers to specifications that _ICC_DEVICE_PROFILE should be used instead of _ICC_PROFILE? It would be easy to check both, I just want to make sure that it's really a standard. > Thanks > > Togan Tobias
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