plustek: bright colors clipped on scanjet 2200c


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Subject: Re: bright colors clipped on scanjet 2200c
From: "Jaeger, Gerhard" ####@####.####
Date: 2 Sep 2002 18:17:17 -0000
Message-Id: <17lvjy-1KvcTAC@fmrl00.sul.t-online.com>

Hi Paul,

sorry for the delay, I've been out for vaccation so far.
Fixed the HP stuff means, that the driver works here for my HP2200C.
Well to be honest, I didn't compare the Windoze results with the ones
I got from the Linux driver so far, but when regarding the results you have,
then I think I should recheck the calibration routines. They're used before
the gamma/brightness and contrast stuff is used...

Give me some time to check this. You might send me the Windoze Registry
entry for the HP, there we can find all necessary settings for your HP2200C.
You can easily export them with the registry tool...

Gerhard

On Sunday, 1. September 2002 20:21, Paul Grayson wrote:
> I just tried plustek drivers version 0.43-7, which supposedly fix "the
> HP2200C stuff."  Don't know what that means.  My bright colors are
> still clipped, just as badly as before.  I can easily run a test with
> any kind of debugging enabled if someone can tell me how to do it!
> -Paul
>
> Paul Grayson ####@####.#### writes:
> > Hello, I just compiled xsane and the plustek backend and configured it
> > for use with my new HP 2200c scanjet under linux-2.4.18.  I
> > successfully used it to scan a picture, but noticed that the bright
> > areas were all washed out with white.  Adjusting the contrast and
> > brightness failed to fix the problem, so I think the clipping must be
> > occurring before those adjustments are applied.

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