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.\" ========================================================================
.\"
.IX Title "Barcode::ITF 3"
.TH Barcode::ITF 3 "2003-05-29" "perl v5.26.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
GD::Barcode::ITF \- Create ITF(Interleaved2of5) barcode image with GD
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fIex. \s-1CGI\s0\fR
.PP
.Vb 4
\&  use GD::Barcode::ITF;
\&  binmode(STDOUT);
\&  print "Content\-Type: image/png\en\en";
\&  print GD::Barcode::ITF\->new(\*(Aq1234567890\*(Aq)\->plot\->png;
.Ve
.PP
\&\fIwith Error Check\fR
.PP
.Vb 3
\&  my $oGdBar = GD::Barcode::ITF\->new(\*(AqA12345678\*(Aq);
\&  die $GD::Barcode::ITF::errStr unless($oGdBar);        #Invalid Characters
\&  $oGdBar\->plot\->png;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
GD::Barcode::ITF is a subclass of GD::Barcode and allows you to
create \s-1ITF\s0 barcode image with \s-1GD.\s0
.SS "new"
.IX Subsection "new"
\&\fI\f(CI$oGdBar\fI\fR = GD::Barcode::ITF\->new(\fI\f(CI$sTxt\fI\fR);
.PP
Constructor. 
Creates a GD::Barcode::ITF object for \fI\f(CI$sTxt\fI\fR.
\&\fI\f(CI$sTxt\fI\fR has numeric characters([0\-9]).
.SS "\fBplot()\fP"
.IX Subsection "plot()"
\&\fI\f(CI$oGd\fI\fR = \f(CW$oGdBar\fR\->plot([Height => \fI\f(CI$iHeight\fI\fR, NoText => \fI0 | 1\fR]);
.PP
creates \s-1GD\s0 object with barcode image for the \fI\f(CI$sTxt\fI\fR specified at new method.
\&\fI\f(CI$iHeight\fI\fR is height of the image. If \fINoText\fR is 1, the image has no text image of \fI\f(CI$sTxt\fI\fR.
.PP
.Vb 4
\& ex.
\&  my $oGdB = GD::Barcode::ITF\->new(\*(Aq12345678\*(Aq);
\&  my $oGD = $oGdB\->plot(NoText=>1, Height => 20);
\&  # $sGD is a GD image with Height=>20 pixels, with no text.
.Ve
.SS "\fBbarcode()\fP"
.IX Subsection "barcode()"
\&\fI\f(CI$sPtn\fI\fR = \f(CW$oGdBar\fR\->\fBbarcode()\fR;
.PP
returns a barcode pattern in string with '1' and '0'. 
\&'1' means black, '0' means white.
.PP
.Vb 3
\& ex.
\&  my $oGdB = GD::Barcode::ITF\->new(\*(Aq12345678\*(Aq);
\&  my $sPtn = $oGdB\->barcode();
.Ve
.ie n .SS "$errStr"
.el .SS "\f(CW$errStr\fP"
.IX Subsection "$errStr"
\&\f(CW$GD::Barcode::ITF::errStr\fR
.PP
has error message.
.ie n .SS "$text"
.el .SS "\f(CW$text\fP"
.IX Subsection "$text"
\&\f(CW$oGdBar\fR\->{$text}
.PP
has barcode text based on \fI\f(CI$sTxt\fI\fR specified in new method.
.SH "AUTHOR"
.IX Header "AUTHOR"
Kawai Takanori GCD00051@nifty.ne.jp
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
The GD::Barocde::ITF module is Copyright (c) 2000 Kawai Takanori. Japan.
All rights reserved.
.PP
You may distribute under the terms of either the \s-1GNU\s0 General Public
License or the Artistic License, as specified in the Perl \s-1README\s0 file.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
GD::Barcode