[sane-devel] problems with scanimage

[johon Doe]

Hi,
I have lot's of problems with scanimage, here some
examples:

$ scanimage --mode Gray --custom-gamma=yes
--gamma-table `gamma4scanimage 1.8 0 11500 16383 255`
> image.pnm
scanimage: unrecognized option `--custom-gamma=yes'

$ scanimage --mode Gray --halftoning "Halftone C (Net
Screen)" --custom-gamma=yes --gamma-table
`gamma4scanimage 1.8 0 11500 16383 255` > image.pnm
scanimage: attempted to set inactive option halftoning

scanimage --brightness 1 >> prova4.tiff
scanimage: attempted to set inactive option brightness

$ scanimage --brightness 1 --mode Gray >> prova4.bmp
scanimage: attempted to set inactive option brightness

bye
Luigi.




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