it could be done in the backend, but it would be easier to use an external program to do it, something from the netpbm package will do it...
allan On 5/25/08, Guillaume <guillcdv at gmail.com> wrote: > m. allan noah a ?crit : > > > why did you pick sane 1.0.12, is that the version that was on your last > os? > > > > > I just picked the not too old one which would compile on my system to see > if it would make any difference. > > After some web searching here is the ubuntu 7.10 version > > /pool/main/s/sane-backends/sane-backends_1.0.19~cvs20070505-3ubuntu2.dsc > /pool/main/s/sane-backends/sane-backends_1.0.19~cvs20070505-3ubuntu2.diff.gz > /pool/main/s/sane-backends/sane-backends_1.0.19~cvs20070505.orig.tar.gz > > and for ubuntu 7.04: > /pool/main/s/sane-backends/sane-backends_1.0.18-3ubuntu1.dsc > /pool/main/s/sane-backends/sane-backends_1.0.18-3ubuntu1.diff.gz > /pool/main/s/sane-backends/sane-backends_1.0.18.orig.tar.gz > /pool/main/x/xsane/xsane_0.99+0.991-1ubuntu2.dsc > /pool/main/x/xsane/xsane_0.99+0.991-1ubuntu2.diff.gz > /pool/main/x/xsane/xsane_0.99+0.991.orig.tar.gz > > In all cases, the gray scale option is not available. I may have dreamed of > it then. Sorry for the trouble. > > The question is now : is it possible to add the grayscale option to the > front-ends for the HP5400 driver ? I'm scanning a lot of bank statements and > color is not a good idea > > > Thanks. > Guillaume > > > > > > allan > > > > On Wed, May 21, 2008 at 2:05 PM, Guillaume <guillcdv at gmail.com> wrote: > > > > > > > m. allan noah a ?crit : > > > > > > > > > > there have been no recent changes to the hp5400 backend. can you > > > > please verify that the grayscale option did appear in prior versions > > > > of sane? > > > > > > > > allan > > > > > > > > > > > > > > > Hi, > > > to answer this properly I'm trying to rebuild an old version > > > Here is the script I'm using: > > > > > > #!/bin/sh > > > cd ~/Download > > > tar xf sane-backends-1.0.12.tar.gz > > > tar xf sane-frontends-1.0.12.tar.gz > > > > > > rm -rf $HOME/sane > > > mkdir -p $HOME/sane > > > > > > export PATH=$HOME/sane/bin:$PATH > > > export > LD_LIBRARY_PATH=$HOME/sane/lib:$HOME/sane/lib/sane > > > export LD_RUN_PATH=/home/guill/sane/lib > > > > > > cd sane-backends-1.0.12 > > > make distclean > > > ./configure --prefix $HOME/sane > > > make && make install > > > > > > cd .. > > > cd sane-frontends-1.0.12 > > > export PATH=$HOME/sane/bin:$PATH > > > export > LD_LIBRARY_PATH=$HOME/sane/lib:$HOME/sane/lib/sane > > > export LD_RUN_PATH=/home/guill/sane/lib > > > > > > make distclean > > > ./configure --prefix $HOME/sane > > > make && make install > > > > > > sane-find-scanner > > > > > > > > > runs fine until the sane-find-scanner which is unable to find my scanner > : > > > guill at Salsa:~/Download$ lsusb > > > Bus 005 Device 001: ID 0000:0000 Bus 004 Device 001: ID 0000:0000 Bus > 003 > > > Device 001: ID 0000:0000 Bus 002 Device 002: ID 03f0:1105 > Hewlett-Packard > > > ScanJet 5470c > > > Bus 002 Device 001: ID 0000:0000 Bus 001 Device 005: ID 05a9:4519 > OmniVision > > > Technologies, Inc. > > > Bus 001 Device 004: ID 046d:c00e Logitech, Inc. M-BJ69 Optical Wheel > Mouse > > > Bus 001 Device 001: ID 0000:0000 guill at Salsa:~/Download$ scanimage -L > > > > > > No scanners were identified. If you were expecting something different, > > > check that the scanner is plugged in, turned on and detected by the > > > sane-find-scanner tool (if appropriate). Please read the documentation > > > which came with this software (README, FAQ, manpages). > > > guill at Salsa:~/Download$ scanimage -V > > > scanimage (sane-backends) 1.0.12; backend version 1.0.12 > > > > > > whereas the default installation gives > > > guill at Salsa:~$ scanimage -L > > > device `hp5400:libusb:002:002' is a Hewlett-Packard HP54xx Flatbed > Scanner > > > flatbed scanner > > > guill at Salsa:~$ scanimage -V > > > scanimage (sane-backends) 1.0.19; backend version 1.0.19 > > > > > > I'm doing something wrong but I can't figure it out. Any clue so that I > can > > > investigate further for you ? > > > Thanks > > > Guillaume > > > > > > -- > > > depuis Ubuntu 8.04 GNU/Linux > > > > > > > > > > > > > > > > > > > > > > > > > -- > depuis Ubuntu 8.04 GNU/Linux > > -- "The truth is an offense, but not a sin"
