11-21-2019
Thank you all for the reply. I did wonder if the entire document is an image but it's very hard to tell. It does not look like a scan. There are some barcode-like images in it as well as some text that is overlapping which is a bit unusual. I will try to save it to another filename. I will also attach it here in case any of you would like to see it.
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LEARN ABOUT CENTOS
gd::barcode::itf
Barcode::ITF(3) User Contributed Perl Documentation 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/png
";
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 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::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 General Public License or the Artistic License, as specified in the Perl README file.
SEE ALSO
GD::Barcode
perl v5.16.3 2003-05-29 Barcode::ITF(3)