[Openicc] Minimal X Color Management

Kai-Uwe Behrmann ku.b at gmx.de
Tue Feb 21 05:02:27 PST 2012


Am 20.02.12, 20:00 +0100 schrieb Chris Lilley:
> On Friday, February 17, 2012, 5:52:24 PM, Chris wrote:
> CM> It may also be that I don't understand something about how much
> CM> can even be done about this problem, because of unreliable EDID
> CM> information. The vast majority of the market is not going to
> CM> measure their displays. And the display manufacturers appear to
> CM> regularly insert theoretical aimpoint primaries into EDID, rather
> CM> than actual primary xy values based on some pre-manufacturing sampling...
>
> My monitor (An Asus PA-246Q wide gamut 24" display) offers native, sRGB,
> AdobeRGB and some other modes. The EDID seems to be the same regardless
> of which mode is chosen.

That's a bug. And writing the manufacturer to fix that would be IMO
appropriate.

> This despite the fact that each monitor arrives with its own
> individual calibration sheet, so the manufacturer clearly considers
> colour accuracy to be important - but not in the EDID.

kind regards
Kai-Uwe


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