Introduce src dir.

[librarian.git] / src / librarian / font-optimizer / ext / Font-TTF / lib / Font / TTF / Kern / OrderedList.pm

diff --git a/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Kern/OrderedList.pm b/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Kern/OrderedList.pm
new file mode 100644 (file)
index 0000000..41cc8c1
--- /dev/null
+++ b/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Kern/OrderedList.pm
@@ -0,0 +1,108 @@
+package Font::TTF::Kern::OrderedList;
+
+=head1 NAME
+
+Font::TTF::Kern::OrderedList - Ordered List Kern subtable for AAT
+
+=head1 METHODS
+
+=cut
+
+use strict;
+use vars qw(@ISA);
+use Font::TTF::Utils;
+use Font::TTF::AATutils;
+
+@ISA = qw(Font::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<Font::TTF::Font> for copyright and
+licensing.
+
+=cut
+