On 7/13/08, spammed <spammed at get2net.dk> wrote: > > On Sun, 2008-07-13 at 02:39 -0400, m. allan noah wrote: > On 7/13/08, m. allan noah <kitno455 at gmail.com> wrote: > > On 7/12/08, spammed <spammed at get2net.dk> wrote: > > > > then --overscan is the only option > > > > which is exposed by the backend for this scanner, but which does not > > > > actually work. Maybe the option could be hidden when the scanner > returns > > > > (os_x_basic, os_y_basic) = (0, 0), as this scanner does? > > > > > > yes- i dont have a good way to detect the overscan capability, other > > > than the existence of the page code that is used to enable it, which > > > also enables other things. do you get an error when you set overscan? > > > if not, then the problem might be that your os_x/y_basic need to be > > > overridden, like the 4120c? > > > > > > > > > > > > There is no error. I will try overriding the settings. > > > > > > I copied the code for the 4120C and tried several values around 2 mm and > > > 2.5 mm (in 600dpi units) with no change. Do you think there is a slim > chance > > > that the values need to exactly match what the scanner expects (the > missing > > > vpd-values) to activate overscan, and otherwise they are just ignored? > How > > > were the values for the 4120C established? > > > > > > those values came from trial and error. if you dont see a bit of the > > background before the paper with overscan enabled, then it must not > > work on this machine. i'll just disable it. > > i've just committed a patch which disables overscan, and centers the > scan area in software for your scanner. i used some different values > for the math, so please check that it works. > > > It works. (I wonder how I managed to overlook the ready-made max_x > value...) And the overscan option is gone, as expected. > > Thanks a lot for implementing this. When sane 1.1 is released you can > promote the 5110 from 'good' to 'complete' on the page that lists supported > devices.
i've done just that for several scanners, thanks for the reminder. It actually needs an '?bercomplete' category, since you can do > quite a lot with sane that the non-twain windows driver does not allow. yes- these software-lobotimized scanners are a cheap alternative to the fi-5110C, other than the missing paper thickness and overscan support. thanks for the patches and patience :) allan -- "The truth is an offense, but not a sin"
