kopia lustrzana https://gitlab.com/sane-project/backends
47 wiersze
1.7 KiB
Groff
47 wiersze
1.7 KiB
Groff
.TH sane\-pnm 5 "14 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
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.IX sane\-pnm
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.SH NAME
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sane\-pnm \- SANE PNM image reader pseudo-backend
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.SH DESCRIPTION
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The
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.B sane\-pnm
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to PNM (Portable aNyMap files, which covers PBM bitmap
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files, PGM grayscale files, and PPM pixmap files). The purpose of
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this backend is primarily to aid in debugging of SANE frontends. It
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also serves as an illustrative example of a minimal SANE backend.
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.SH "DEVICE NAMES"
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This backend provides two devices called
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.B 0
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and
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.BR 1.
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.SH CONFIGURATION
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No configuration required.
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.SH FILES
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.TP
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.I @LIBDIR@/libsane\-pnm.a
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The static library implementing this backend.
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.TP
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.I @LIBDIR@/libsane\-pnm.so
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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.SH ENVIRONMENT
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.TP
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.B SANE_DEBUG_PNM
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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. E.g.,
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a value of 128 requests all debug output to be printed. Smaller
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levels reduce verbosity.
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.SH BUGS
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If the pnm backend is installed and saned is used to allow users on remote
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computers to scan on the local machine, pnm files can be read by the remote
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user. This is limited to the files saned can access (usually it's running as
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user "sane"). All pnm files can be read if saned runs as root which isn't
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recommended anyway. The pnm backend is disabled by default. If you want to use
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it, enable it with configure (see configure \-\-help for details). Be sure that
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only trusted users can access the pnm backend over saned.
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.SH AUTHOR
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Andreas Beck, Gordon Matzigkeit, and David Mosberger
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.SH SEE ALSO
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sane(7)
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