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#------------------------------------------------------------------------
# Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
#
# This file is part of the ZBar Bar Code Reader.
#
# 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.
#
# The ZBar Bar Code Reader is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with the ZBar Bar Code Reader; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301 USA
#
# http://sourceforge.net/projects/zbar
#------------------------------------------------------------------------
=pod
=head1 NAME
Barcode::ZBar::ImageScanner - scan images for bar codes
=head1 SYNOPSIS
use Barcode::ZBar;
my $scanner = Barcode::ZBar::ImageScanner->new();
$scanner->parse_config('i25.disable');
$scanner->scan_image($image);
=head1 DESCRIPTION
A Barcode::ZBar::ImageScanner is used to scan for bar codes in a
Barcode::ZBar::Image.
=head1 REFERENCE
=head2 Methods
=over 4
=item new()
Create a new bar code image scanner instance.
=item get_results()
Return a list of Barcode::ZBar::Symbol results from the last scanned
image.
=item scan_image([I<image>])
Scan a Barcode::ZBar::Image for bar codes. The image must be in the
"Y800" format. If necessary, use C<< I<$image>->convert("Y800") >> to
convert from other supported formats to Y800 before scanning.
=item enable_cache([I<enable>])
Enable the inter-image result consistency cache.
=item set_config(I<symbology>, I<config>, I<value>)
Set config for indicated symbology (0 for all) to specified value.
=item parse_config(I<configstr>)
Apply a decoder configuration setting. See the documentation for
C<zbarcam>/C<zbarimg> for available configuration options.
=item recycle_image([I<image>])
Remove previously decoded results from a Barcode::ZBar::Image and
recycle the associated memory.
=back
=head1 SEE ALSO
Barcode::ZBar, Barcode::ZBar::Image, zbarimg(1), zbarcam(1)
http://zbar.sf.net
=head1 AUTHOR
Jeff Brown, E<lt>spadix@users.sourceforge.netE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2008-2010 (c) Jeff Brown E<lt>spadix@users.sourceforge.netE<gt>
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.
=cut
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