[Openicc] Some questions about ICC Profiles in X

[Matthias Clasen]

On Wed, 2009-11-04 at 10:23 +0000, Richard Hughes wrote:
> 2009/11/4 Kai-Uwe Behrmann <ku.b at gmx.de>:
> > The idea is to have exact one atom "_ICC_PROFILE" per XRandR output.
> > This involves scanning of every output and reading that atom. There are no
> > atom name variations as used for the root window atom (_ICC_PROFILE_xxx
> > style).
> 
> Ohh, I see. How do you set an atom on an output? It's easy to set an
> aton on the root window (and this is what gnome-color-manager
> presently does) but I'm not sure about how you do the former. Got any
> hints? Thanks.
> 

XRRChangeOutputProperty