https://github.com/mbeijen/gd-barcode

Perl GD::Barcode module
https://github.com/mbeijen/gd-barcode

barcode gd perl qrcode

Last synced: about 2 months ago
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Perl GD::Barcode module

• Host: GitHub
• URL: https://github.com/mbeijen/gd-barcode
• Owner: mbeijen
• Created: 2012-07-09T12:37:06.000Z (over 12 years ago)
• Default Branch: main
• Last Pushed: 2024-03-17T21:31:06.000Z (9 months ago)
• Last Synced: 2024-03-17T22:31:42.927Z (9 months ago)
• Topics: barcode, gd, perl, qrcode
• Language: Perl
• Homepage: https://metacpan.org/pod/GD::Barcode
• Size: 967 KB
• Stars: 3
• Watchers: 4
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README
  • Changelog: Changes

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README

        
NAME

    GD::Barcode - Create barcode images with GD

SYNOPSIS

    *ex. CGI*

      use GD::Barcode::UPCE;

      binmode(STDOUT);

      print "Content-Type: image/png\n\n";

      print GD::Barcode->new('EAN13', '123456789012')->plot->png;

    *with Error Check*

      my $oGdBar = GD::Barcode->new('EAN13', '12345678901');

      die $GD::Barcode::errStr unless($oGdBar);     #Invalid Length

      $oGdBar->plot->png;

DESCRIPTION

    GD::Barcode is a subclass of GD and allows you to create barcode image

    with GD. This module based on "Generate Barcode Ver 1.02 By Shisei Hanai

    97/08/22".

    From 1.14, you can use this module even if no GD (except plot method).

  new

    *$oGdBar* = GD::Barcode::UPCE->new(*$sType*, *$sTxt*);

    Constructor. Creates a GD::Barcode::*$sType* object for *$sTxt*.

  plot()

    *$oGd* = $oGdBar->plot([Height => *$iHeight*, NoText => *0 | 1*]);

    creates GD object with barcode image for the *$sTxt* specified at "new"

    method. *$iHeight* is height of the image. If *NoText* is 1, the image

    has no text image of *$sTxt*.

     ex.

      my $oGdB = GD::Barcode->new('EAN13', '123456789012');

      my $oGD = $oGdB->plot(NoText=>1, Height => 20);

      # $sGD is a GD image with Height=>20 pixels, with no text.

  barcode()

    *$sPtn* = $oGdBar->barcode();

    returns a barcode pattern in string with '1' and '0'. '1' means black,

    '0' means white.

     ex.

      my $oGdB = GD::Barcode->new('UPCE', '123456');

      my $sPtn = $oGdB->barcode();

      # $sPtn = '';

  $errStr

    $GD::Barcode::errStr

    has error message.

  $text

    $oGdBar->{$text}

    has barcode text based on *$sTxt* specified in "new" method.

AUTHOR

    Kawai Takanori [email protected]

COPYRIGHT

    The GD::Barcode module is Copyright (c) 2000 Kawai Takanori. Japan. All

    rights reserved.

    You may distribute under the terms of either the GNU General Public

    License or the Artistic License, as specified in the Perl README file.

SEE ALSO

    GD GD::Barcode subclasses