[sane-devel] scanimage --brightness
Henning Meier-Geinitz
henning at meier-geinitz.de
Thu Sep 8 15:30:48 UTC 2005
Hi,
On Wed, Sep 07, 2005 at 09:34:59PM +0100, Tony van der Hoff wrote:
> >From scamimge --help -d umax:
> --brightness -100..100% (in steps of 1) [inactive]
> Controls the brightness of the acquired image.
>
> Does [inactive] mean it doesn't work?
No, it means that the option is inactive :-)
It may work when another option is set to some different value. E.g.
it may only work with a halftoning mode. For other modes, the gamma
curves may be used (see also man gamma4scanimage).
Bye,
Henning
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