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#!/usr/bin/perl |
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# Copyright 2014 ByWater Solutions |
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# |
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# This file is part of Koha. |
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# |
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# Koha is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Koha is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with Koha; if not, see <http://www.gnu.org/licenses>. |
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use Modern::Perl; |
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use CGI qw(header); |
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use GD::Barcode; |
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use C4::Auth qw(checkauth); |
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=head1 NAME |
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/cgi-bin/koha/svc/barcode |
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=head1 SYNOPSIS |
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This service generates a PNG barcode image for the requested barcode. |
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=head2 PARAMETERS |
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=over |
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=item I<barcode> |
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I<barcode> is the desired barcode. It should be called like: |
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=item I<type> |
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I<type> is the desired barcode type. Possible values are |
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Code39 |
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UPCE |
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UPCA |
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QRcode |
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NW7 |
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Matrix2of5 |
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ITF |
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Industrial2of5 |
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IATA2of5 |
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EAN8 |
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EAN13 |
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COOP2of5 |
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If ommited,it defaults to Code39. |
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=item I<notext> |
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Unless I<notext=1> is specified in the parameter list, the |
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value of the barcode will included as text below the |
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scannable barcode. |
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=back |
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=head2 EXAMPLES |
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=over |
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=item /cgi-bin/koha/svc/barcode?barcode=123456789 |
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Returns a Code39 barcode image for barcode 123456789 |
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=item /cgi-bin/koha/svc/barcode?barcode=123456789&type=UPCE |
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Returns a UPCE barcode image for barcode 123456789 |
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=item /cgi-bin/koha/svc/barcode?barcode=123456789¬ext=1 |
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Returns a Code39 barcode image for barcode 123456789 |
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which does not include the human readable text '123456789' |
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below the scannable barcode. |
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=back |
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=cut |
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my $input = CGI->new; |
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my ( $user, $cookie, $sessionID, $flags ) = checkauth( $input, 1, {}, 'opac' ); |
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$user && $sessionID or response_bad_request("User not logged in"); |
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binmode(STDOUT); |
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my $type = $input->param('type') || 'Code39'; |
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my $barcode = $input->param('barcode'); |
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my $notext = $input->param('notext') ? 1 : 0; |
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my $image; |
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eval { |
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$image = GD::Barcode->new( $type, $barcode )->plot( NoText => $notext )->png(); |
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}; |
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if ( $@ ) { |
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# problem creating image |
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print header( -status => 500 ); |
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} else { |
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print header('image/png'); |
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print $image; |
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} |
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exit 0; |
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=head1 AUTHOR |
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Kyle M Hall <kyle@bywatersolutions.com> |
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=cut |