actually, we are able to detect that LUT is needed, and that should be working for the ix500. Can you give a few example command lines with scanimage that demonstrate the problem?
allan On Wed, Feb 12, 2020 at 4:02 PM m. allan noah <[email protected]> wrote: > Some fujitsu machines have native brightness/contrast support, others > require that a LUT be calculated by the backend and uploaded. I don't think > there is a way to detect which is needed. I will investigate further. > > allan > > On Wed, Feb 12, 2020 at 1:32 PM Tom Buckler <[email protected]> wrote: > >> Hi Allan, >> >> Do you know if the iX1500 should respond to —contrast and —brightness ? >> I'm not getting any change with those parameters, and no details in the >> manpage. —resolution —mode —ald work just fine… >> >> Thx, >> Tom >> >> >> >> ------------------------------ >> *Tom Buckler* | Buckler Microelectronics Inc. >> 17008 - 90 Avenue NW | Suite 272 | Edmonton | AB | Canada | T5T 1L6 >> *Cell:* (780) 499-5525 >> ------------------------------ >> >> >> >> >> On Feb 11, 2020, at 9:33 AM, m. allan noah <[email protected]> wrote: >> >> Which scanner are you using? >> >> allan (fujitsu backend author) >> >> On Tue, Feb 11, 2020 at 11:31 AM Tom Buckler <[email protected]> wrote: >> >> >> Thanks Allan, >> >> I'm not sure how to deal with that, as libusb-dev isn't a separate >> package from libusb as far as I know. But I seem to have gotten past that >> with pkg-config as per Olaf's suggestion previous. >> >> >> Cheers, >> Tom >> >> >> ________________________________ >> Tom Buckler | Buckler Microelectronics Inc. >> 17008 - 90 Avenue NW | Suite 272 | Edmonton | AB | Canada | T5T 1L6 >> Cell: (780) 499-5525 >> ________________________________ >> >> >> >> >> On Feb 11, 2020, at 6:41 AM, m. allan noah <[email protected]> wrote: >> >> Do you have the header files for libusb installed? On other platforms >> this would come from a package called libusb-dev or libusb-devel. >> >> allan >> >> On Tue, Feb 11, 2020 at 3:00 AM Olaf Meeuwissen >> <[email protected]> wrote: >> >> >> Hi Tom, >> >> Tom Buckler writes: >> >> Hello, >> >> I am wanting to install a new instance of sane on OSX: >> >> When I go to >> $ ./configure BACKENDS="fujitsu" >> I get >> *** Warning: sane-backends will be built without USB support. There may >> >> Yet libusb is installed via homebrew: >> taws27 on TAWS27: /usr/local/lib$ ls -l libusb* >> lrwxr-xr-x 1 taws27 admin 46 10 Feb 23:16 libusb-1.0.0.dylib -> >> ../Cellar/libusb/1.0.23/lib/libusb-1.0.0.dylib >> lrwxr-xr-x 1 taws27 admin 40 10 Feb 23:16 libusb-1.0.a -> >> ../Cellar/libusb/1.0.23/lib/libusb-1.0.a >> lrwxr-xr-x 1 taws27 admin 44 10 Feb 23:16 libusb-1.0.dylib -> >> ../Cellar/libusb/1.0.23/lib/libusb-1.0.dylib >> >> Thoughts appreciated, >> >> >> Please run `./configure --with-usb BACKENDS=fujitsu` and send the >> `config.log` file to the list. You may want to compress the file >> as large messages end up in the moderator queue. >> >> That is not a problem per se, but it slows down communication. >> >> Even when compressed, the message may be too large. >> >> Alternatively, you could create an issue for this at >> >> https://gitlab.com/sane-project/backends/issues/new >> >> I don't have access to any MacOS systems, so can only really debug >> this via that log file. >> >> That said, do you have `pkg-config` installed? If not, that is most >> likely why libusb is not detected. >> >> Apologies but we don't see many MacOS folks around here so our build >> instructions may be lacking a bit for that OS. >> >> Hope this helps, >> -- >> Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27 >> GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9 >> Support Free Software https://my.fsf.org/donate >> Join the Free Software Foundation https://my.fsf.org/join >> >> >> >> -- >> "well, I stand up next to a mountain- and I chop it down with the edge >> of my hand" >> >> >> >> >> -- >> "well, I stand up next to a mountain- and I chop it down with the edge >> of my hand" >> >> >> > > -- > "well, I stand up next to a mountain- and I chop it down with the edge of > my hand" > -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand"
