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

NAME

6       GD::Barcode::QRcode - Create QRcode barcode image with GD
7

SYNOPSIS

9       ex. CGI
10
11         use GD::Barcode::QRcode;
12         binmode(STDOUT);
13         print "Content-Type: image/png\n\n";
14         print GD::Barcode::QRcode->new('1234567')->plot->png;
15
16       with UnitSize, ECC settings
17
18         my $oGdBar = GD::Barcode::QRcode->new('123456789',
19                                   { Ecc => 'L', Version=>2, ModuleSize => 2}
20                               );
21

DESCRIPTION

23       GD::Barcode::QRcode is a subclass of GD::Barcode and allows you to
24       create QRcode barcode image with GD.  This module based on "QRcode
25       image CGI version 0.50 (C)2000-2002,Y.Swetake".
26
27   new
28       $oGdBar = GD::Barcode::QRcode->new($sTxt,
29                           { Ecc => Ecc Mode,
30                             Version => Version,
31                             ModuleSize => Size of 1 modlue,
32                           });
33
34       Constructor. Creates a GD::Barcode::QRcode object for $sTxt.
35
36       Parameters:
37
38       Ecc Ecc mode. Select 'M', 'L', 'H' or 'Q' (Default = 'M').
39
40       Version
41           Version ie. size of barcode image (Default = auto select).
42
43       ModuleSize
44           Size of modules(barcode unit)  (Default = 1).
45
46   plot()
47       $oGd = $oGdBar->plot([Height => $iHeight, NoText => 0 | 1]);
48
49       creates GD object with barcode image for the $sTxt specified at new
50       method.  $iHeight is height of the image. If NoText is 1, the image has
51       no text image of $sTxt.
52
53        ex.
54         my $oGdB = GD::Barcode::QRcode->new('1234567');
55         my $oGD = $oGdB->plot();
56         # $sGD is a GD image with Height=>20 pixels, with no text.
57
58   barcode()
59       $sPtn = $oGdBar->barcode();
60
61       returns a barcode pattern in string with '1' and '0'.  '1' means black,
62       '0' means white.
63
64        ex.
65         my $oGdB = GD::Barcode::QRcode->new('1234567');
66         my $sPtn = $oGdB->barcode();
67
68   $errStr
69       $GD::Barcode::QRcode::errStr
70
71       has error message.
72
73   $text
74       $oGdBar->{$text}
75
76       has barcode text based on $sTxt specified in new method.
77

AUTHOR

79       Kawai Takanori GCD00051@nifty.ne.jp
80

82       The GD::Barocde::QRcode module is Copyright (c) 2003 Kawai Takanori.
83       Japan.  All rights reserved.
84
85       You may distribute under the terms of either the GNU General Public
86       License or the Artistic License, as specified in the Perl README file.
87

SEE ALSO

89       GD::Barcode
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93perl v5.34.0                      2021-07-22                Barcode::QRcode(3)
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