or they are used, but the resolution is unused? allan
On Thu, Feb 19, 2009 at 9:03 AM, Chris Bagwell <chris at cnpbagwell.com> wrote: > I think this is the interesting part of --help? > > Geometry: > -l 0..200mm (in steps of 1) [0] > Top-left x position of scan area. > -t 0..200mm (in steps of 1) [0] > Top-left y position of scan area. > -x 0..200mm (in steps of 1) [80] > Width of scan-area. > -y 0..200mm (in steps of 1) [100] > > So the values shown as default do not seem to be used. > > Your information has limited the problem enough that I don't mind debugging > it from here. > > Thanks, > Chris > > m. allan noah wrote: >> >> with a couple week old cvs, when i run your command i get this: >> >> >>> >>> scanimage -d test -T >>> >> >> scanimage: scanning image of size 157x196 pixels at 8 bits/pixel >> scanimage: acquiring gray frame, 8 bits/sample >> scanimage: reading one scanline, 157 bytes... PASS >> scanimage: reading one byte... PASS >> scanimage: stepped read, 2 bytes... PASS >> scanimage: stepped read, 4 bytes... PASS >> scanimage: stepped read, 8 bytes... PASS >> scanimage: stepped read, 16 bytes... PASS >> scanimage: stepped read, 32 bytes... PASS >> scanimage: stepped read, 64 bytes... PASS >> scanimage: stepped read, 128 bytes... PASS >> scanimage: stepped read, 256 bytes... PASS >> scanimage: stepped read, 255 bytes... PASS >> scanimage: stepped read, 127 bytes... PASS >> scanimage: stepped read, 63 bytes... PASS >> scanimage: stepped read, 31 bytes... PASS >> scanimage: stepped read, 15 bytes... PASS >> scanimage: stepped read, 7 bytes... PASS >> scanimage: stepped read, 3 bytes... PASS >> >> but if i add -x 1 -y 1, i get this: >> >> >>> >>> scanimage -d test -x 1 -y 1 -T >>> >> >> scanimage: rounded value of br-x from 0.999985 to 1 >> scanimage: rounded value of br-y from 0.999985 to 1 >> scanimage: scanning image of size 1x1 pixels at 8 bits/pixel >> scanimage: acquiring gray frame, 8 bits/sample >> scanimage: reading one scanline, 1 bytes... PASS >> scanimage: reading one byte... FAIL Error: End of file reached >> >> >> If the image is too small (only has one scanline, etc), then scanimage >> -T runs out of data. It's just poorly programmed, because it is rarely >> used. The bigger question is why does your copy of the test backend >> have such a small scan area? what does 'scanimage -d test --help' >> show? >> >> allan >> >> On Wed, Feb 18, 2009 at 10:56 PM, Chris Bagwell <chris at cnpbagwell.com> >> wrote: >> >>> >>> Hi all, >>> >>> I was converting the testsuite directory to automake but I noticed in >>> CVS version of sane that the following basic command doesn't work. So >>> not much for me to test right now. >>> >>> frontend/scanimage -d test -T >>> lt-scanimage: scanning image of size 1x1 pixels at 8 bits/pixel >>> lt-scanimage: acquiring gray frame, 8 bits/sample >>> lt-scanimage: reading one scanline, 1 bytes... PASS >>> lt-scanimage: reading one byte... FAIL Error: End of file reached >>> >>> Running 1.0.19 from my /usr/bin does work for same command line. Anyone >>> know when it broke? >>> >>> Chris >>> >>> >>> >>> -- >>> 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"