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package PDF::Builder::Resource::XObject::Form::BarCode::codabar; |
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use base 'PDF::Builder::Resource::XObject::Form::BarCode'; |
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use strict; |
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use warnings; |
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our $VERSION = '3.023'; # VERSION |
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our $LAST_UPDATE = '2.029'; # manually update whenever code is changed |
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=head1 NAME |
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PDF::Builder::Resource::XObject::Form::BarCode::codabar - specific information for CodaBar bar codes. Inherits from L |
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=cut |
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sub new { |
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my ($class, $pdf, %options) = @_; |
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my $self = $class->SUPER::new($pdf, %options); |
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my @bars = $self->encode($options{'-code'}); |
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$self->drawbar([@bars], $options{'caption'}); |
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return $self; |
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} |
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# allowed alphabet and translation to bar widths |
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my $codabar = q|0123456789-$:/.+ABCD|; |
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my @barcodabar = qw( |
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11111221 11112211 11121121 22111111 11211211 |
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21111211 12111121 12112111 12211111 21121111 |
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11122111 11221111 21112121 21211121 21212111 |
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11212121 aabbabaa ababaaba ababaaba aaabbbaa |
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); |
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sub encode_char { |
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my $self = shift; |
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my $char = uc(shift()); |
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return $barcodabar[index($codabar, $char)]; |
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} |
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1; |