version 1.3, 2001/09/28 20:26:02
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version 1.6, 2001/12/11 20:01:05
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#!/usr/bin/perl |
#!/usr/bin/perl |
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
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# barcode.gif - A CGI script that dynamically outputs a barcode. |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but 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 LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# Scott Harrison |
# Scott Harrison |
# YEAR=2001 |
# YEAR=2001 |
# 8/15 |
# 8/15,9/28,12/11 |
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# |
# A CGI script that dynamically outputs a barcode. |
### |
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# I'm using format=Code39. |
# I'm using format=Code39. |
# The valid formats are |
# The valid formats are |
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use strict; |
use strict; |
use GD::Barcode::Code39; |
use GD::Barcode::Code39; |
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map { |
foreach (split(/&/,$ENV{'QUERY_STRING'})) { |
my ($name, $value) = split(/=/,$_); |
my ($name, $value) = split(/=/,$_); |
$value =~ tr/+/ /; |
$value =~ tr/+/ /; |
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
if ($name eq 'encode') { |
if ($name eq 'encode') { |
$ENV{'form.'.$name}=$value; |
$ENV{'form.'.$name}=$value; |
} |
} |
} (split(/&/,$ENV{'QUERY_STRING'})); |
} |
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# Tell the server we are sending a gif graphic |
# Tell the server we are sending a gif graphic |
print <<END; |
print <<END; |