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package Font::TTF::Mort;
=head1 NAME
Font::TTF::Mort - Glyph Metamorphosis table in a font
=head1 METHODS
=cut
use strict;
use vars qw(@ISA);
use Font::TTF::Utils;
use Font::TTF::AATutils;
use Font::TTF::Mort::Chain;
@ISA = qw(Font::TTF::Table);
=head2 $t->read
Reads the table into memory
=cut
sub read
{
my ($self) = @_;
my ($dat, $fh, $numChains);
$self->SUPER::read or return $self;
$fh = $self->{' INFILE'};
$fh->read($dat, 8);
($self->{'version'}, $numChains) = TTF_Unpack("vL", $dat);
my $chains = [];
foreach (1 .. $numChains) {
my $chain = new Font::TTF::Mort::Chain->new;
$chain->read($fh);
$chain->{' PARENT'} = $self;
push @$chains, $chain;
}
$self->{'chains'} = $chains;
$self;
}
=head2 $t->out($fh)
Writes the table to a file either from memory or by copying
=cut
sub out
{
my ($self, $fh) = @_;
return $self->SUPER::out($fh) unless $self->{' read'};
my $chains = $self->{'chains'};
$fh->print(TTF_Pack("vL", $self->{'version'}, scalar @$chains));
foreach (@$chains) {
$_->out($fh);
}
}
=head2 $t->minsize()
Returns the minimum size this table can be. If it is smaller than this, then the table
must be bad and should be deleted or whatever.
=cut
sub minsize
{
return 8;
}
=head2 $t->print($fh)
Prints a human-readable representation of the table
=cut
sub print
{
my ($self, $fh) = @_;
$self->read unless $self->{' read'};
my $feat = $self->{' PARENT'}->{'feat'};
$feat->read;
my $post = $self->{' PARENT'}->{'post'};
$post->read;
$fh = 'STDOUT' unless defined $fh;
$fh->printf("version %f\n", $self->{'version'});
my $chains = $self->{'chains'};
foreach (@$chains) {
$_->print($fh);
}
}
1;
=head1 BUGS
None known
=head1 AUTHOR
Jonathan Kew L<Jonathan_Kew@sil.org>.
=head1 LICENSING
Copyright (c) 1998-2013, SIL International (http://www.sil.org)
This module is released under the terms of the Artistic License 2.0.
For details, see the full text of the license in the file LICENSE.
=cut
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