+++ /dev/null
-package Font::TTF::Mort::Insertion;
-
-=head1 NAME
-
-Font::TTF::Mort::Insertion - Insertion Mort subtable for AAT
-
-=head1 METHODS
-
-=cut
-
-use strict;
-use vars qw(@ISA);
-use Font::TTF::Utils;
-use Font::TTF::AATutils;
-use IO::File;
-
-@ISA = qw(Font::TTF::Mort::Subtable);
-
-sub new
-{
- my ($class, $direction, $orientation, $subFeatureFlags) = @_;
- my ($self) = {
- 'direction' => $direction,
- 'orientation' => $orientation,
- 'subFeatureFlags' => $subFeatureFlags
- };
-
- $class = ref($class) || $class;
- bless $self, $class;
-}
-
-=head2 $t->read
-
-Reads the table into memory
-
-=cut
-
-sub read
-{
- my ($self, $fh) = @_;
- my ($dat);
-
- my $subtableStart = $fh->tell();
-
- my $stateTableStart = $fh->tell();
- my ($classes, $states, $entries) = AAT_read_state_table($fh, 2);
-
- my %insertListHash;
- my $insertLists;
- foreach (@$entries) {
- my $flags = $_->{'flags'};
- my @insertCount = (($flags & 0x03e0) >> 5, ($flags & 0x001f));
- my $actions = $_->{'actions'};
- foreach (0 .. 1) {
- if ($insertCount[$_] > 0) {
- $fh->seek($stateTableStart + $actions->[$_], IO::File::SEEK_SET);
- $fh->read($dat, $insertCount[$_] * 2);
- if (not defined $insertListHash{$dat}) {
- push @$insertLists, [unpack("n*", $dat)];
- $insertListHash{$dat} = $#$insertLists;
- }
- $actions->[$_] = $insertListHash{$dat};
- }
- else {
- $actions->[$_] = undef;
- }
- }
- }
-
- $self->{'classes'} = $classes;
- $self->{'states'} = $states;
- $self->{'insertLists'} = $insertLists;
-
- $self;
-}
-
-=head2 $t->pack_sub()
-
-=cut
-
-sub pack_sub
-{
- my ($self) = @_;
-
- my ($dat) = pack("nnnn", (0) x 4);
-
- my $classTable = length($dat);
- my $classes = $self->{'classes'};
- $dat .= AAT_pack_classes($classes);
-
- my $stateArray = length($dat);
- my $states = $self->{'states'};
- my ($dat1, $stateSize, $entries) = AAT_pack_states($classes, $stateArray, $states,
- sub {
- my $actions = $_->{'actions'};
- ( $_->{'flags'}, @$actions )
- }
- );
- $dat .= $dat1;
-
- my $entryTable = length($dat);
- my $offset = ($entryTable + 8 * @$entries);
- my @insListOffsets;
- my $insertLists = $self->{'insertLists'};
- foreach (@$insertLists) {
- push @insListOffsets, $offset;
- $offset += 2 * scalar @$_;
- }
- foreach (@$entries) {
- my ($nextState, $flags, @lists) = split /,/;
- $flags &= ~0x03ff;
- $flags |= (scalar @{$insertLists->[$lists[0]]}) << 5 if $lists[0] ne '';
- $flags |= (scalar @{$insertLists->[$lists[1]]}) if $lists[1] ne '';
- $dat .= pack("nnnn", $nextState, $flags,
- map { $_ eq '' ? 0 : $insListOffsets[$_] } @lists);
- }
-
- foreach (@$insertLists) {
- $dat .= pack("n*", @$_);
- }
-
- $dat1 = pack("nnnn", $stateSize, $classTable, $stateArray, $entryTable);
- substr($dat, 0, length($dat1)) = $dat1;
-
- return $dat;
-}
-
-=head2 $t->print($fh)
-
-Prints a human-readable representation of the table
-
-=cut
-
-sub print
-{
- my ($self, $fh) = @_;
-
- my $post = $self->post();
-
- $fh = 'STDOUT' unless defined $fh;
-
- $self->print_classes($fh);
-
- $fh->print("\n");
- my $states = $self->{'states'};
- foreach (0 .. $#$states) {
- $fh->printf("\t\tState %d:", $_);
- my $state = $states->[$_];
- foreach (@$state) {
- my $flags;
- $flags .= "!" if ($_->{'flags'} & 0x4000);
- $flags .= "*" if ($_->{'flags'} & 0x8000);
- my $actions = $_->{'actions'};
- $fh->printf("\t(%s%d,%s,%s)", $flags, $_->{'nextState'}, map { defined $_ ? $_ : "=" } @$actions);
- }
- $fh->print("\n");
- }
-
- $fh->print("\n");
- my $insertLists = $self->{'insertLists'};
- foreach (0 .. $#$insertLists) {
- my $insertList = $insertLists->[$_];
- $fh->printf("\t\tList %d: %s\n", $_, join(", ", map { $_ . " [" . $post->{'VAL'}[$_] . "]" } @$insertList));
- }
-}
-
-1;
-
-=head1 BUGS
-
-None known
-
-=head1 AUTHOR
-
-Jonathan Kew L<Jonathan_Kew@sil.org>. See L<Font::TTF::Font> for copyright and
-licensing.
-
-=cut
-