Experiment. allan
On Fri, Jul 30, 2010 at 2:43 PM, Grant <emailgrant at gmail.com> wrote: >> First you must make sure that the backend you are using supports the >> gamma table options. Some do not, and just have brightness/contrast >> type controls. >> >> allan > > Hi Allan, > > I can use either the epson2 backend or epkowa and I think one or the > other supports gamma tables. ?Can you tell me how to determine the > gamma, shadow, and highlight values? > > - Grant > > >>> Since my scans are for on-screen display only, I'd like to use a gamma >>> table in place of an ICC profile. ?It sounds like I need to determine >>> values for gamma, shadow, and highlight so gamma4scanimage can >>> generate the gamma table. ?How can I determine those values? ?Am I >>> supposed to scan targets? >>> >>> - Grant > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > ? ? ? ? ? ? to sane-devel-request at lists.alioth.debian.org > -- "The truth is an offense, but not a sin"
