Re: problems with snapscan and scanimage

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Tue, 12 May 1998 09:58:45 +0200 (MET DST)

David Mosberger-Tang wrote:
>
> - A 10-bit gamma table does indeed make sense even when the
> output is only 8 bits/channel. Fortunately, this can be
> supported just fine with SANE (e.g., simply allow values in
> the range 0..1023 for the gamma vector elements).

To clarify:

when the host interface is 8 bits but internally the scanner can work
with 10 bits, then the "enhanced" gamma table has 1024 entries which
can hold values from 0 to 255.

Roger. 

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