ZBar(3pm)						User Contributed Perl Documentation						 ZBar(3pm)

NAME

       Barcode::ZBar - Perl interface to the ZBar Barcode Reader

SYNOPSIS

       setup:

	   use Barcode::ZBar;

	   my $reader = Barcode::ZBar::Processor->new();
	   $reader->init();
	   $reader->set_data_handler(&my_handler);

       scan an image:

	   my $image = Barcode::ZBar::Image->new();
	   $image->set_format('422P');
	   $image->set_size(114, 80);
	   $image->set_data($raw_bits);
	   $reader->process_image($image);

       scan from video:

	   $reader->set_visible();
	   $reader->set_active();
	   $reader->user_wait();

       collect results:

	   my @symbols = $image->get_symbols();
	   foreach my $sym (@symbols) {
	       print("decoded: " . $sym->get_type() . ":" . $sym->get_data());
	   }

DESCRIPTION

       The ZBar Bar Code Reader is a library for scanning and decoding bar codes from various sources such as video streams, image files or raw
       intensity sensors.  It supports EAN, UPC, Code 128, Code 39 and Interleaved 2 of 5.

       These are the bindings for interacting directly with the library from Perl.

REFERENCE

   Functions
       version()
	   Returns the version of the zbar library as "major.minor".

       increase_verbosity()
	   Increases global library debug by one level.

       set_verbosity(level)
	   Sets global library debug to the indicated level.  Higher numbers give more verbosity.

       parse_config(configstr)
	   Parse a decoder configuration setting into a list containing the symbology constant, config constant, and value to set.  See the
	   documentation for "zbarcam"/"zbarimg" for available configuration options.

   Constants
       Width stream "color" constants:

       SPACE
	   Light area or space between bars.

       BAR Dark area or colored bar segment.

SEE ALSO

       Barcode::ZBar::Processor, Barcode::ZBar::ImageScanner, Barcode::ZBar::Image, Barcode::ZBar::Symbol, Barcode::ZBar::Scanner,
       Barcode::ZBar::Decoder

       zbarimg(1), zbarcam(1)

       http://zbar.sf.net

AUTHOR

       Jeff Brown, <spadix@users.sourceforge.net>

COPYRIGHT AND LICENSE

       Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>

       The ZBar Bar Code Reader is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser Public License as
       published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

perl v5.14.2							    2009-10-23								 ZBar(3pm)