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189 wiersze
7.6 KiB
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<TITLE>sane-agfafocus.5</TITLE>
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<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
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<H1>sane-agfafocus.5</H1>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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<B><A HREF="sane-agfafocus.5.html">sane-agfafocus(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-agfafocus.5.html">sane-agfafocus(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-agfafocus - SANE backend for AGFA Focus flatbed scanners
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-agfafocus</B> library implements a SANE (Scanner Access Now Easy)
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backend that provides access to AGFA Focus flatbed scanners. At
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present, the following scanners are supported from this backend:
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AGFA Focus GS Scanner (6 bit gray scale) (untested)
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AGFA Focus Lineart Scanner (lineart) (untested)
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AGFA Focus II (8 bit gray scale) (untested)
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AGFA Focus Color (24 bit color 3-pass)
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AGFA Focus Color Plus (24 bit color 3-pass)
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Siemens S9036 (8 bit gray scale) (untested)
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The driver supports line art, 6bpp and 8bpp gray, 18bpp and 24bpp color
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scans.
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If you own a scanner other than the ones listed above that works with
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this backend, please let us know by sending the scanner's model name,
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SCSI id, and firmware revision to <I>sane-devel@alioth-lists.debian.net</I>.
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Have a look at <I>http://www.sane-project.org/mailing-lists.html</I> concern-
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ing subscription to sane-devel.
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All of these scanners are pre-SCSI-2, and do not even report properly
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to SCSI Inquiry. This is typically evident in SCSI bus scans, where
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the scanner will come up with only garbage as vendor and models
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strings.
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</PRE>
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<H2>DEVICE NAMES</H2><PRE>
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This backend expects device names of the form:
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<I>special</I>
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where <I>special</I> is the path-name for the special device that corresponds
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to a SCSI scanner. For SCSI scanners, the special device name must be a
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generic SCSI device or a symlink to such a device. Under Linux, such a
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device name could be <I>/dev/sga</I> or <I>/dev/sge</I>, for example. See
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<B><A HREF="sane-scsi.5.html">sane-scsi(5)</A></B> for details.
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</PRE>
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<H2>CONFIGURATION</H2><PRE>
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The contents of the <I>agfafocus.conf</I> file is a list of device names that
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correspond to AGFA Focus scanners. Empty lines and lines starting with
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a hash mark (#) are ignored. A sample configuration file is shown
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below:
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/dev/scanner
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# this is a comment
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/dev/sge
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</PRE>
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<H2>FILES</H2><PRE>
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<I>/etc/sane.d/agfafocus.conf</I>
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The backend configuration file (see also description of
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<B>SANE_CONFIG_DIR</B> below).
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<I>/usr/lib/libsane-agfafocus.a</I>
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The static library implementing this backend.
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<I>/usr/lib/libsane-agfafocus.so</I>
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The shared library implementing this backend (present on systems
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that support dynamic loading).
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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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<B>SANE_CONFIG_DIR</B>
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This environment variable specifies the list of directories that
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may contain the configuration file. On *NIX systems, the direc-
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tories are separated by a colon (`:'), under OS/2, they are sep-
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arated by a semi-colon (`;'). If this variable is not set, the
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configuration file is searched in two default directories:
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first, the current working directory (".") and then in
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<I>/usr/local/etc/sane.d</I>. If the value of the environment variable
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ends with the directory separator character, then the default
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directories are searched after the explicitly specified directo-
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ries. For example, setting <B>SANE_CONFIG_DIR</B> to "/tmp/config:"
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would result in directories <I>tmp/config</I>, <I>.</I>, and
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<I>/usr/local/etc/sane.d</I> being searched (in this order).
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<B>SANE_DEBUG_AGFAFOCUS</B>
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend.
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E.g., a value of 128 requests all debug output to be printed.
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Smaller levels reduce verbosity. <B>SANE_DEBUG_AGFAFOCUS</B> values:
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Number Remark
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0 print important errors (printed each time)
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1 print errors
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2 print sense
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3 print warnings
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4 print scanner-inquiry
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5 print information
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6 print less important information
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7 print called procedures
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8 print reader_process messages
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10 print called sane-init-routines
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11 print called sane-procedures
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12 print sane infos
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13 print sane option-control messages
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</PRE>
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<H2>MISSING FUNCTIONALITY</H2><PRE>
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Uploading of dither matrices and tonecurves has been implemented, but
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so far has not proven to be useful for anything. For this reason these
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options have been disabled.
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</PRE>
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<H2>BUGS</H2><PRE>
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The scanners that do not support disconnect have problems with SCSI
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timeouts if the SCSI bus gets loaded, eg. if you do a kernel build at
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the same time as scanning. To see if your scanner supports disconnect,
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run <I>SANE</I><B>_</B><I>DEBUG</I><B>_</B><I>AGFAFOCUS=128</I> <I>scanimage</I> <I>-L</I> in a terminal and look for
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the "disconnect:" line.
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</PRE>
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<H2>DEBUG</H2><PRE>
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If you have problems with SANE not detecting your scanner, make sure
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the Artec backend is disabled. Somehow, this backend causes at least
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my scanner not to respond correctly to SCSI inquiry commands.
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If you encounter a bug please set the environment variable
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<B>SANE_DEBUG_AGFAFOCUS</B> to 128 and try to regenerate the problem. Then
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send me a report with the log attached.
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If you encounter a SCSI bus error or trimmed and/or displaced images
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please also set the environment variable <B>SANE_DEBUG_SANEI_SCSI</B> to 128
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before sending me the report.
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</PRE>
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<H2>TODO</H2><PRE>
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<B>More</B> <B>scanners?</B>
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The AGFA ACS and ARCUS scanners are similar to the FOCUS scan-
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ners. The driver could probably be extended to support these
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scanners without too many changes. I do not have access to such
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scanners, and cannot add support for it. However, if you are in
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possession of such a scanner, I could be helpful in adding sup-
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port for these scanners.
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The AGFA HORIZON scanners are SCSI-2 scanners, and it would
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probably be easier to support these scanners in a SCSI-2 compli-
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ant backend.
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane.7.html">sane(7)</A></B>, <B><A HREF="sane-scsi.5.html">sane-scsi(5)</A></B>
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</PRE>
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<H2>AUTHOR</H2><PRE>
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Ingo Schneider and Karl Anders <B>O</B>ygard.
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10 Jul 2008 <B><A HREF="sane-agfafocus.5.html">sane-agfafocus(5)</A></B>
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</PRE>
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