[sane-devel] Epson scanners: brightness and contrast setting

2010-11-24 Thread Olaf Meeuwissen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2010?11?23? 22:06, Olivier Jolit wrote: > > Hello everybody again, > > I am trying to control the brightness and contrast of the scan in > order to provide the same capabilities than a Twain based frontend. > The problem is that the extremal value

[sane-devel] Epson scanners: brightness and contrast setting

2010-11-23 Thread Olivier Jolit
Hello everybody again, I am trying to control the brightness and contrast of the scan in order to provide the same capabilities than a Twain based frontend. The problem is that the extremal values I can set to brightness and contrast do not produce very distinct images. - The maximal and mini