Barcode::EAN8(3pm) User Contributed Perl Documentation Barcode::EAN8(3pm) NAME GD::Barcode::EAN8 - Create EAN8(JAN8) barcode image with GD SYNOPSIS ex. CGI use GD::Barcode::EAN8; binmode(STDOUT); print "Content-Type: image/png\n\n"; print GD::Barcode::EAN8->new('1234567')->plot->png; with Error Check my $oGdBar = GD::Barcode::EAN8->new('123456789'); die $GD::Barcode::EAN8::errStr unless($oGdBar); #Invalid Length DESCRIPTION GD::Barcode::EAN8 is a subclass of GD::Barcode and allows you to create EAN8(JAN8) barcode image with GD. This module based on "Generate Barcode Ver 1.02 By Shisei Hanai 97/08/22". new $oGdBar = GD::Barcode::EAN8->new($sTxt); Constructor. Creates a GD::Barcode::EAN8 object for $sTxt. $sTxt has 7 or 8 numeric characters([0-9]). If $sTxt has 12 characters, this module calacurates CD for you. 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::EAN8->new('1234567'); 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', 'G' and '0'. '1' means black, 'G' also means black but little bit long, '0' means white. ex. my $oGdB = GD::Barcode::EAN8->new('1234567'); my $sPtn = $oGdB->barcode(); # $sPtn = ''; $errStr $GD::Barcode::EAN8::errStr has error message. $text $oGdBar->{$text} has barcode text based on $sTxt specified in new method. AUTHOR Kawai Takanori GCD00051 AT nifty.jp COPYRIGHT The GD::Barocde::EAN8 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::Barcode perl v5.24.1 2016-12-23 Barcode::EAN8(3pm)
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