[Openicc] Profile installation and association for Linux/Unix/X11

Kai-Uwe Behrmann ku.b at gmx.de
Tue Apr 22 11:54:00 PDT 2008

Am 22.04.08, 10:26 -0500 schrieb Bob Friesenhahn:

> On Tue, 22 Apr 2008, Kai-Uwe Behrmann wrote:
> > I do not much understand the implications of VNC. So Please correct me
> VNC simply ships the raw pixels from a remote display to a window on the local
> display.

Ah, much like X11 does.
> > if you can and feel its needed. As I have not heard of a display
> > characterisation meachanism in VNC, I would assume a thumb connection.
> > It remains to do the following:
> > a) the VNC server (remote host) has to compensate simply to sRGB
> > b) the VNC client (local host) can compensate for the local screen
> > converting from sRGB to _ICC_PROFILE_xxx
> I am not aware of any VNC which does any color transformations at all. VNC
> servers do not attempt to normalize the color.  Clients do not know anything
> about the color characteristics of the exported display.

That reads not so good for colour management.

> Color quality may be intentionally reduced in order to improve transfer
> performance.
> I am on a few VNC development mailing lists and this is the first time I have
> heard color management mentioned as pertains to VNC.

Does VNC allow for something like the atoms over a X11 connection?

Kai-Uwe Behrmann
developing for colour management 
www.behrmann.name + www.oyranos.org

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