1Barcode::ITF(3)       User Contributed Perl Documentation      Barcode::ITF(3)
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NAME

6       GD::Barcode::ITF - Create ITF(Interleaved2of5) barcode image with GD
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SYNOPSIS

9       ex. CGI
10
11         use GD::Barcode::ITF;
12         binmode(STDOUT);
13         print "Content-Type: image/png\n\n";
14         print GD::Barcode::ITF->new('1234567890')->plot->png;
15
16       with Error Check
17
18         my $oGdBar = GD::Barcode::ITF->new('A12345678');
19         die $GD::Barcode::ITF::errStr unless($oGdBar);        #Invalid Characters
20         $oGdBar->plot->png;
21

DESCRIPTION

23       GD::Barcode::ITF is a subclass of GD::Barcode and allows you to create
24       ITF barcode image with GD.
25
26   new
27       $oGdBar = GD::Barcode::ITF->new($sTxt);
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29       Constructor.  Creates a GD::Barcode::ITF object for $sTxt.  $sTxt has
30       numeric characters([0-9]).
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32   plot()
33       $oGd = $oGdBar->plot([Height => $iHeight, NoText => 0 | 1]);
34
35       creates GD object with barcode image for the $sTxt specified at new
36       method.  $iHeight is height of the image. If NoText is 1, the image has
37       no text image of $sTxt.
38
39        ex.
40         my $oGdB = GD::Barcode::ITF->new('12345678');
41         my $oGD = $oGdB->plot(NoText=>1, Height => 20);
42         # $sGD is a GD image with Height=>20 pixels, with no text.
43
44   barcode()
45       $sPtn = $oGdBar->barcode();
46
47       returns a barcode pattern in string with '1' and '0'.  '1' means black,
48       '0' means white.
49
50        ex.
51         my $oGdB = GD::Barcode::ITF->new('12345678');
52         my $sPtn = $oGdB->barcode();
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54   $errStr
55       $GD::Barcode::ITF::errStr
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57       has error message.
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59   $text
60       $oGdBar->{$text}
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62       has barcode text based on $sTxt specified in new method.
63

AUTHOR

65       Kawai Takanori GCD00051@nifty.ne.jp
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68       The GD::Barocde::ITF module is Copyright (c) 2000 Kawai Takanori.
69       Japan.  All rights reserved.
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71       You may distribute under the terms of either the GNU General Public
72       License or the Artistic License, as specified in the Perl README file.
73

SEE ALSO

75       GD::Barcode
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79perl v5.36.0                      2022-07-22                   Barcode::ITF(3)
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