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Hello,
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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)