Am Donnerstag, 21. November 2013, 00:16:06 schrieb Marie-Noëlle Augendre: > I'm now pretty sure darktable doesn't use the same ICC profile as other > softwares: it is actually visible on this page > https://www.dropbox.com/s/1c3wlvhi98teo3s/ICC_comparison.jpg with darktable > (bottom left) having much more saturated colors than Digikam (top left), > GIMP (top right) and Firefox browser (bottom right) displaying the same > picture in a web gallery. > > I launched darktable several times with the option -d control in order to > check the ICC profile being actually used, but the message is always: > [color profile] we got a new screen profile from the _ICC_PROFILE (size: > 21560) > and I don't understand what it means.
There are two means for darktable to get a display profile (besides setting it manually in colorout): - from the _ICC_PROFILE xatom (some internal data of the X server) - from colord In case of colord the control message will tell you the filename it loaded, however the xatom only has the binary data so all we can tell about it is its size in bytes. What you could do is check (with ls -l) if the profile you have set in your system is 21560 bytes big. If that is not the case then some other profile was used. If it is the case however then either you are not using the system default profile in the output color module, or you have some modules activated that alter the image. Of course there is also the slight chance that you have stumbled over a bug, but that's least likely. > I'm running 1.2.3 version on a Fedora 19 distro with a Cinnamon desktop, > and from what I see in the system preferences, the ICC profiles of both > screens (laptop + 23") are correctly assigned. Having two screens it could also be that the system assigned the wrong profile to the according xatom. But all of this is just speculation. Please compare the file size of the display profile with the size reported by darktable and report back. > Thanks for any hint in order to fix this problem. > Marie-Noëlle Tobias
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