[sane-devel] Does driver know it is scannning or previewing now with XSane?
m. allan noah
kitno455 at gmail.com
Thu Jun 19 13:11:06 UTC 2008
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>:
>> 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
> 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
> how will your scanner act differently in preview mode? isn't it just
> the same as any other low resolution scan?
"The truth is an offense, but not a sin"
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