It is not unusual for a machine to need the left and right side of image to fall on some byte boundary of a full width scan, or the delta x to need to be somehow 'even' (number of bytes, number of pixels, etc). Of course, this machine could have some other crazy limits no one has seen before :)
allan On Mon, Aug 9, 2010 at 11:23 AM, Gernot Hassenpflug <aikishugyo at gmail.com> wrote: > Hello, > > I am checking the Canon MP510 under SANE. This is a generation 1 > device, apparently, and it seems to have the interesting quirk that > while the y and delta-y for scan area can be freely chosen, and > delta-x obeys the standard rule for generation 1 devices, the x > location too must be within some rule (still determining via > UsbSnoop). > > I haven't seen anything to limit the scan x location in the code > before, and cannot say whether other devices also exhibit this quirk. > So I'll add an exception for the MP510 only, for now. > > Apart from that, it behaves fine at all resolutions (up to 1200) in > color and greyscale (no native B/W mode available in the MP510). > > Regards, > Gernot > -- > ISP Asahi-Net: http://asahi-net.jp/en/ > No.1 in Japan by customer satisfaction > (Nikkei News, 7 July 2010) > > -- > 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"
