131 lines
2.1 KiB
Perl
131 lines
2.1 KiB
Perl
package Font::TTF::Mort;
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=head1 NAME
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Font::TTF::Mort - Glyph Metamorphosis table in a font
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=head1 METHODS
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=cut
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use strict;
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use vars qw(@ISA);
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use Font::TTF::Utils;
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use Font::TTF::AATutils;
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use Font::TTF::Mort::Chain;
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@ISA = qw(Font::TTF::Table);
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=head2 $t->read
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Reads the table into memory
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=cut
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sub read
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{
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my ($self) = @_;
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my ($dat, $fh, $numChains);
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$self->SUPER::read or return $self;
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$fh = $self->{' INFILE'};
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$fh->read($dat, 8);
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($self->{'version'}, $numChains) = TTF_Unpack("vL", $dat);
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my $chains = [];
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foreach (1 .. $numChains) {
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my $chain = new Font::TTF::Mort::Chain->new;
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$chain->read($fh);
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$chain->{' PARENT'} = $self;
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push @$chains, $chain;
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}
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$self->{'chains'} = $chains;
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$self;
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}
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=head2 $t->out($fh)
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Writes the table to a file either from memory or by copying
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=cut
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sub out
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{
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my ($self, $fh) = @_;
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return $self->SUPER::out($fh) unless $self->{' read'};
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my $chains = $self->{'chains'};
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$fh->print(TTF_Pack("vL", $self->{'version'}, scalar @$chains));
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foreach (@$chains) {
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$_->out($fh);
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}
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}
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=head2 $t->minsize()
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Returns the minimum size this table can be. If it is smaller than this, then the table
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must be bad and should be deleted or whatever.
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=cut
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sub minsize
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{
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return 8;
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}
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=head2 $t->print($fh)
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Prints a human-readable representation of the table
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=cut
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sub print
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{
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my ($self, $fh) = @_;
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$self->read unless $self->{' read'};
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my $feat = $self->{' PARENT'}->{'feat'};
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$feat->read;
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my $post = $self->{' PARENT'}->{'post'};
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$post->read;
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$fh = 'STDOUT' unless defined $fh;
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$fh->printf("version %f\n", $self->{'version'});
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my $chains = $self->{'chains'};
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foreach (@$chains) {
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$_->print($fh);
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}
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}
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1;
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=head1 BUGS
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None known
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=head1 AUTHOR
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Jonathan Kew L<http://scripts.sil.org/FontUtils>.
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=head1 LICENSING
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Copyright (c) 1998-2016, SIL International (http://www.sil.org)
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This module is released under the terms of the Artistic License 2.0.
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For details, see the full text of the license in the file LICENSE.
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=cut
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