1Barcode::QRcode(3) User Contributed Perl Documentation Barcode::QRcode(3)
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6 GD::Barcode::QRcode - Create QRcode barcode image with GD
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9 ex. CGI
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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;
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16 with UnitSize, ECC settings
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18 my $oGdBar = GD::Barcode::QRcode->new('123456789',
19 { Ecc => 'L', Version=>2, ModuleSize => 2}
20 );
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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".
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27 new
28 $oGdBar = GD::Barcode::QRcode->new($sTxt,
29 { Ecc => Ecc Mode,
30 Version => Version,
31 ModuleSize => Size of 1 modlue,
32 });
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34 Constructor. Creates a GD::Barcode::QRcode object for $sTxt.
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36 Parameters:
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38 Ecc Ecc mode. Select 'M', 'L', 'H' or 'Q' (Default = 'M').
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40 Version
41 Version ie. size of barcode image (Default = auto select).
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43 ModuleSize
44 Size of modules(barcode unit) (Default = 1).
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46 plot()
47 $oGd = $oGdBar->plot([Height => $iHeight, NoText => 0 | 1]);
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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.
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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.
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58 barcode()
59 $sPtn = $oGdBar->barcode();
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61 returns a barcode pattern in string with '1' and '0'. '1' means black,
62 '0' means white.
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64 ex.
65 my $oGdB = GD::Barcode::QRcode->new('1234567');
66 my $sPtn = $oGdB->barcode();
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68 $errStr
69 $GD::Barcode::QRcode::errStr
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71 has error message.
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73 $text
74 $oGdBar->{$text}
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76 has barcode text based on $sTxt specified in new method.
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79 Kawai Takanori GCD00051@nifty.ne.jp
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82 The GD::Barocde::QRcode module is Copyright (c) 2003 Kawai Takanori.
83 Japan. All rights reserved.
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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.
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89 GD::Barcode
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93perl v5.12.0 2004-04-24 Barcode::QRcode(3)