[Openicc] GoSoC 2011: CPD and Color Management

Frederic Crozat fred at crozat.net
Tue May 3 09:43:39 PDT 2011

2011/5/3 Richard Hughes <hughsient at gmail.com>:
> On 3 May 2011 17:25, Kai-Uwe Behrmann <ku.b at gmx.de> wrote:
>> ...we want to embedd calibration settings like vcgt, Gutenprint calibration XML, or PPD
>> settings inside a ICC profile meta tag
> Why would the VCGT not be stored in the 'vcgt' tag?
>> If a calibration changes by whatever reson, the calibration
>> changing process has to repair the former driver state itself, e.g.
>> screensavers in Xorg.
> I'm pretty sure gnome-screensaver has been fixed to "repair" the VCGT
> if it uses that for dimming. I'm not sure it makes a lot of sense to
> poll the gamma ramps detecting unauthorized changes.

I confirm it restores VCGT after dimming now.

Frederic Crozat

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