sorry- response should have gone to list... On Thu, Jun 19, 2008 at 9:10 AM, m. allan noah <kitno455 at gmail.com> wrote: > 2008/6/18 eagleskycloud <eagleskycloud at gmail.com>: >> Hi, >> >> I have two question : >> 1.To scan multi images,input a number in left corner edit box to indicate >> the image number of XSane would scan >> >> There is a sensor In ADF. It could detecte are there papers in >> ADF.Upper application could know whether there are papers in ADF by status >> of the sensor. Which is the better way to achieve scanning multi images >> between input a number of scanning image and add a function? > > Xsane's multi-page support is not as good as other front-ends, so you > should not think that is the only way to do it. in fact, most other > multi-page capable front-ends just scan until the backend returns > SANE_STATUS_NO_DOCS, if that is 1 page or 100 pages. > > you can expose the sensor, as we have added some well-known option > names for this with sane 1.1. (which still needs the spec to be > updated, but i've not had time) > >> >> 2.Does driver know it is scannning or previewing now with XSane? >> I have achieved ADF duplex scan. I want to know how to judge it is >> scanning or previewing in my driver ,so I could handle the ADF duplex >> preview > > there is a preview option mentioned in the standard, but it does not > seem to be implemented consistently, and i dont know if xsane calls > it. > > how will your scanner act differently in preview mode? isn't it just > the same as any other low resolution scan? >
allan -- "The truth is an offense, but not a sin"
