Missing feature: "Auto"-button

Stephan Loescher (loescher@informatik.tu-muenchen.de)
Wed, 31 Dec 1997 16:37:29 +0100 (CET)


Thank you for SANE! Great work!

But I'm missing a feature I know from the Windows HP-DeskScan-software,
which is used with HP-ScanJet-scanners.
It has an "Automatic"-button. When I click on this button DeskScan adjusts
the brightness- and contrast-values to an "optimal" value. This news values
are used by the HP-ScanJet and I get an optimal result. The values differ
from picture to picture.

The Linux-"hpscanpbm" supports two switches:
-bright specify brightness adjustment (-1.0 to 1.0, default 0.0)
-cont specify contrast adjustment (-1.0 to 1.0, default 0.0)
So I am sure that the picture is aquired with another brigthness and
contrast and DeskScan does not adjust them after scanning by a

Can you please add such an "Auto"-button to xscanimage?


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