1Barcode::ITF(3)       User Contributed Perl Documentation      Barcode::ITF(3)
2
3
4

NAME

6       GD::Barcode::ITF - Create ITF(Interleaved2of5) barcode image with GD
7

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);
28
29       Constructor.  Creates a GD::Barcode::ITF object for $sTxt.  $sTxt has
30       numeric characters([0-9]).
31
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();
53
54   $errStr
55       $GD::Barcode::ITF::errStr
56
57       has error message.
58
59   $text
60       $oGdBar->{$text}
61
62       has barcode text based on $sTxt specified in new method.
63

AUTHOR

65       Kawai Takanori GCD00051@nifty.ne.jp
66
68       The GD::Barocde::ITF module is Copyright (c) 2000 Kawai Takanori.
69       Japan.  All rights reserved.
70
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
76
77
78
79perl v5.10.1                      2003-05-29                   Barcode::ITF(3)
Impressum