[argyllcms] Dispwin

After some unsuccessful trials, it seems I got dispwin to dowload my custom
cal file into my PC videoLUT.

First I tried the following command line:

> dispwin 245bw

245bw is the name of my calibration file. I got the error message "can't
open 245bw". Why? So I went on reading some more the online help. Then I
tried:

> dispwin -r

To see whether my system videoLUTs at all. And got the message:

> Darkening screen
> Lightening screen
> Restoring screen
> Normal beep
> Good beep
> Bad double beep

I gather, at that point, that everything was functioning properly. So I
proceeded again with dispwin and my cal file, ony this time I smartened up
and added the file extension:

> dispwin -v s45bw.cal

Then I got:

> About to open dispwin object on the display
> About to set given calibration
> About to destroy dispwin object

Well, I am going to take a leap of faith and assume that the cal was indeed
loaded into my PC videoLUT. But it would sure be nice to have dispwin
confirmed that with something like :

> '245bw.cal' was successfully loaded into your system videoLUT

Anyway, I think it worked since my display darkened a bit at that point.

I did not quite understood the other options offered by dispwin. But one
thing I'd like to try is to use my i1 and have dispwin run through a series
of color and report the results against the cal file, to see whether the
calibration still hold? 

Roger Breton

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