#=======================================================================
# ____ ____ _____ _ ____ ___ ____
# | _ \| _ \| ___| _ _ / \ | _ \_ _| |___ \
# | |_) | | | | |_ (_) (_) / _ \ | |_) | | __) |
# | __/| |_| | _| _ _ / ___ \| __/| | / __/
# |_| |____/|_| (_) (_) /_/ \_\_| |___| |_____|
#
# A Perl Module Chain to faciliate the Creation and Modification
# of High-Quality "Portable Document Format (PDF)" Files.
#
#=======================================================================
#
# THIS IS A REUSED PERL MODULE, FOR PROPER LICENCING TERMS SEE BELOW:
#
#
# Copyright Jonathan Kew L<Jonathan_Kew@sil.org>
#
# No warranty or expression of effectiveness, least of all regarding
# anyone's safety, is implied in this software or documentation.
#
# This specific module is licensed under the Perl Artistic License.
#
#
# $Id: OrderedList.pm,v 1.5 2004/06/15 09:14:41 fredo Exp $
#
#=======================================================================
=head1 NAME
PDF::API2::Basic::TTF::Kern::OrderedList
=head1 METHODS
=cut
use strict;
use vars qw(@ISA);
@ISA = qw(PDF::API2::Basic::TTF::Kern::Subtable);
sub new
{
my ($class, @options) = @_;
my ($self) = {};
$class = ref($class) || $class;
bless $self, $class;
}
=head2 $t->read
Reads the table into memory
=cut
sub read
{
my ($self, $fh) = @_;
my $dat;
$fh->read($dat, 8);
my ($nPairs, $searchRange, $entrySelector, $rangeShift) = unpack("nnnn", $dat);
my $pairs = [];
foreach (1 .. $nPairs) {
$fh->read($dat, 6);
my ($left, $right, $kern) = TTF_Unpack("SSs", $dat);
push @$pairs, { 'left' => $left, 'right' => $right, 'kern' => $kern } if $kern != 0;
}
$self->{'kernPairs'} = $pairs;
$self;
}
=head2 $t->out_sub($fh)
Writes the table to a file
=cut
sub out_sub
{
my ($self, $fh) = @_;
my $pairs = $self->{'kernPairs'};
$fh->print(pack("nnnn", TTF_bininfo(scalar @$pairs, 6)));
foreach (sort { $a->{'left'} <=> $b->{'left'} or $a->{'right'} <=> $b->{'right'} } @$pairs) {
$fh->print(TTF_Pack("SSs", $_->{'left'}, $_->{'right'}, $_->{'kern'}));
}
}
=head2 $t->print($fh)
Prints a human-readable representation of the table
=cut
sub dumpXML
{
my ($self, $fh) = @_;
my $postVal = $self->post()->{'VAL'};
$fh = 'STDOUT' unless defined $fh;
foreach (@{$self->{'kernPairs'}}) {
$fh->printf("<pair l=\"%s\" r=\"%s\" v=\"%s\"/>\n", $postVal->[$_->{'left'}], $postVal->[$_->{'right'}], $_->{'kern'});
}
}
sub type
{
return 'kernOrderedList';
}
1;
=head1 BUGS
None known
=head1 AUTHOR
Jonathan Kew L<Jonathan_Kew@sil.org>. See L<PDF::API2::Basic::TTF::Font> for copyright and
licensing.
=cut