Initial version for gphoto2 backend

backend/gphoto2.desc

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+;gphoto2 backend .desc file by Peter S. Fales
+
+:backend "gphoto2"		; name of backend
+:version "0.0"                  ; version of backend
+:status :new                  	; :alpha, :beta, :stable, :new
+:manpage "sane-gphoto2"		; name of manpage (if it exists)
+:url "mailto:peter@fales.com"   ; backend's web page
+
+:devicetype :stillcam           ; start of a list of devices....
+ 
+:mfg "Various"
+:model "Various"
+:url "http://www.gphoto.org"
+:interface "Various"

doc/sane-gphoto2.man

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+.TH sane-gphoto2 5 "04 September 2001"
+.IX sane-gphoto2
+.SH NAME
+sane-gphoto2 \- SANE backend for gphoto2 supported cameras
+.SH DESCRIPTION
+The
+.B sane-gphoto2
+library implements a SANE (Scanner Access Now Easy) backend that
+provides access to the digital cameras supported by gphoto2. 
+THIS IS EXTREMELY ALPHA
+CODE!  USE AT YOUR OWN RISK!!
+.SH "DEVICE NAMES"
+The current version of the backend only allows one camera to be
+connected.  The device name is always "0".
+.SH CONFIGURATION
+The contents of the
+.I gphoto2.conf
+specify the characteristics of the camera to be used.   Resolutions
+(high resolution, low resolution, and thumbnail size) are
+required since they are needed by the sane frontends, but can't be obtained
+through the gphoto2 interface.  Valid ports and cameras can be obtained
+by "gphoto2 --list-cameras" and "gphoto2 --list-ports".
+.PP
+The dumpinquiry line causes some information about the camera to 
+be printed.
+.PP
+Empty lines and lines starting with a hash mark (#) are
+ignored.  A sample configuration file is shown below:
+.PP
+.RS
+port=usb:
+.br
+camera=Kodak DC240
+.br
+# this is a comment
+.br
+high_resolution=1280x960
+.br
+low_resolution=640x480
+.br
+thumb_resolution=160x120
+.br
+dumpinquiry
+.RE
+.PP
+.SH FILES
+.TP
+.I @CONFIGDIR@/gphoto2.conf
+The backend configuration file (see also description of
+.B SANE_CONFIG_DIR
+below).
+.TP
+.I @LIBDIR@/libsane-gphoto2.a
+The static library implementing this backend.
+.TP
+.I @LIBDIR@/libsane-gphoto2.so
+The shared library implementing this backend (present on systems that
+support dynamic loading).
+
+.SH ENVIRONMENT
+.TP
+.B SANE_CONFIG_DIR
+This environment variable specifies the list of directories that may
+contain the configuration file.  Under UNIX, the directories are
+separated by a colon (`:'), under OS/2, they are separated by a
+semi-colon (`;').  If this variable is not set, the configuration file
+is searched in two default directories: first, the current working
+directory (".") and then in @CONFIGDIR@.  If the value of the
+environment variable ends with the directory separator character, then
+the default directories are searched after the explicitly specified
+directories.  For example, setting
+.B SANE_CONFIG_DIR
+to "/tmp/config:" would result in directories "tmp/config", ".", and
+"@CONFIGDIR@" being searched (in this order).
+.TP
+.B SANE_DEBUG_GPHOTO2
+If the library was compiled with debugging support enabled, this
+environment variable controls the debug level for this backend. 
+A value of 128 requests maximally copious debug output; smaller
+levels reduce verbosity.
+
+.SH "SEE ALSO"
+sane(7)
+
+.SH AUTHOR
+Peter S. Fales
+
+.PP
+The manpage was largeley copied from the dc210 manpage.
+
+.SH BUGS
+Many.
+.PP
+More general comments, suggestions, and inquiries about frontends
+or SANE should go to the SANE Developers mailing list 
+(see http://www.mostang.com/sane/mail.html for details). 
+You must be subscribed to the list, otherwise your mail won't be
+sent to the subscribers.
+