[Digikam-users] suddenly cannot choose a monitor profile in settings

[Martin (KDE)]

Am Dienstag, 22. Dezember 2009 schrieb Martin (KDE):
> Am Dienstag, 22. Dezember 2009 schrieb Mark Greenwood:
> > On Tuesday 22 Dec 2009 18:34:01 Martin (KDE) wrote:
> > > Am Dienstag, 22. Dezember 2009 schrieb Marcel Wiesweg:
> > > > > My monitor gamma and colour temperature is already factory
> > > > > calibrated to sRGB. What I used to do was simply select my
> > > > > working colour space (wide gamut) and my monitor colour
> > > > > space (sRGB) in digikam. Now I cannot do this.
> > > > >
> > > > > This stuff is FAR too complicated. I had it working for me
> > > > > but now a software change has stopped that from working.
> > > > >
> > > > > On a Mac I choose 2 profiles in the system settings and
> > > > > it's all done. On Linux it appears I need to be able to
> > > > > write a thesis on colour management. Why does it need to be
> > > > > so hard?
> > > >
> > > > You're quite right about the system settings part here.
> > > > Indeed, there should be a tab in the system settings allowing
> > > > you to specify a monitor profile. This should then be loaded
> > > > at start of X server and provided to application via the X
> > > > atom method outlined above.
> > > >
> > > > _All this is outside the scope of digikam_
> > >
> > > Yes, this is definitly outside the scope of digiKam. But there
> > > are so many myths about CM that sometimes it is good to draw a
> > > big picture.
> > >
> > > > Digikam comes in when trying to find a monitor profile. If it
> > > > finds one specified by X, it will use it. I don't come up
> > > > with a usecase where this should not be done. Thus, the combo
> > > > box is greyed out.
> > > >
> > > > So the bug is twofold:
> > > > 1) Distributions should package and install per default a
> > > > tool to load a monitor profile (argyllcms appears to be
> > > > unpackagable though) and at least an sRGB and an
> > > > AdobeRGB-compatbible profile (if the Adobe profile package
> > > > cannot be installed per default due to license restrictions,
> > > > dont know) 2) KDE system settings should provide the settings
> > > > panel.
> > >
> > > At least Fedora 11 has an argyllcms package, so it must be
> > > packagable.
> >
> > Yeah there's an argyllcms package in Ubuntu too. So far however I
> >  haven't found an sRGB monitor profile that it can load without
> >  reporting some kind of error :(
> 
> Yep, that must be the case. As most sRGB defines a working space
>  type you need a device definition type. Here you have to use the
>  monitor profile you used previously.

Argh, forget that. I mixed input and display type. Sorry for the 
confusion.

Martin