barcode::itf(3)

NAME

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

SYNOPSIS

ex. CGI
  use GD::Barcode::ITF;
  binmode(STDOUT);
  print "Content-Type: image/png0;
  print GD::Barcode::ITF->new('1234567890')->plot->png;
with Error Check
  my $oGdBar = GD::Barcode::ITF->new('A12345678');
  die      $GD::Barcode::ITF::errStr      unless($oGdBar);
#Invalid Characters
  $oGdBar->plot->png;

DESCRIPTION

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

new

$oGdBar = GD::Barcode::ITF->new($sTxt);

Constructor. Creates a GD::Barcode::ITF object for $sTxt.
$sTxt has numeric characters([0-9]).

plot()

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

creates GD object with barcode image for the $sTxt speci
fied 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::ITF->new('12345678');
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::ITF->new('12345678');
my $sPtn = $oGdB->barcode();

$errStr

$GD::Barcode::ITF::errStr

has error message.

$text

$oGdBar->{$text}

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

AUTHOR

Kawai Takanori GCD00051@nifty.ne.jp

COPYRIGHT

The GD::Barocde::ITF module is Copyright (c) 2000 Kawai
Takanori. Japan. All rights reserved.

You may distribute under the terms of either the GNU Gen
eral Public License or the Artistic License, as specified
in the Perl README file.

SEE ALSO

GD::Barcode

perl v5.8.0 2000-12-29 Barcode::ITF(3)