good pdf, some general updates

[librarian.git] / librarian / font-optimizer / ext / Font-TTF / lib / Font / TTF / AATKern.pm

diff --git a/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/AATKern.pm b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/AATKern.pm
new file mode 100644 (file)
index 0000000..6aa1e62
--- /dev/null
+++ b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/AATKern.pm
@@ -0,0 +1,140 @@
+package Font::TTF::AATKern;
+
+=head1 NAME
+
+Font::TTF::AATKern - AAT Kern table
+
+=head1 METHODS
+
+=cut
+
+use strict;
+use vars qw(@ISA);
+use Font::TTF::Utils;
+use Font::TTF::AATutils;
+use Font::TTF::Kern::Subtable;
+
+@ISA = qw(Font::TTF::Table);
+
+=head2 $t->read
+
+Reads the table into memory
+
+=cut
+
+sub read
+{
+    my ($self) = @_;
+    
+    $self->SUPER::read or return $self;
+
+    my ($dat, $fh, $numSubtables);
+    $fh = $self->{' INFILE'};
+
+    $fh->read($dat, 8);
+    ($self->{'version'}, $numSubtables) = TTF_Unpack("vL", $dat);
+    
+    my $subtables = [];
+    foreach (1 .. $numSubtables) {
+        my $subtableStart = $fh->tell();
+        
+        $fh->read($dat, 8);
+        my ($length, $coverage, $tupleIndex) = TTF_Unpack("LSS", $dat);
+        my $type = $coverage & 0x00ff;
+
+        my $subtable = Font::TTF::Kern::Subtable->create($type, $coverage, $length);
+        $subtable->read($fh);
+
+        $subtable->{'tupleIndex'} = $tupleIndex if $subtable->{'variation'};
+        $subtable->{' PARENT'} = $self;
+        push @$subtables, $subtable;
+    }
+
+    $self->{'subtables'} = $subtables;
+
+    $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 $subtables = $self->{'subtables'};
+    $fh->print(TTF_Pack("vL", $self->{'version'}, scalar @$subtables));
+
+    foreach (@$subtables) {
+        $_->out($fh);
+    }
+}
+
+=head2 $t->print($fh)
+
+Prints a human-readable representation of the table
+
+=cut
+
+sub print
+{
+    my ($self, $fh) = @_;
+    
+    $self->read unless $self->{' read'};
+    
+    $fh = 'STDOUT' unless defined $fh;
+
+    $fh->printf("version %f\n", $self->{'version'});
+    
+    my $subtables = $self->{'subtables'};
+    foreach (@$subtables) {
+        $_->print($fh);
+    }
+}
+
+sub dumpXML
+{
+    my ($self, $fh) = @_;
+    $self->read unless $self->{' read'};
+
+    my $post = $self->{' PARENT'}->{'post'};
+    $post->read;
+    
+    $fh = 'STDOUT' unless defined $fh;
+    $fh->printf("<kern version=\"%f\">\n", $self->{'version'});
+    
+    my $subtables = $self->{'subtables'};
+    foreach (@$subtables) {
+        $fh->printf("<%s", $_->type);
+        $fh->printf(" vertical=\"1\"") if $_->{'vertical'};
+        $fh->printf(" crossStream=\"1\"") if $_->{'crossStream'};
+        $fh->printf(" variation=\"1\"") if $_->{'variation'};
+        $fh->printf(" tupleIndex=\"%s\"", $_->{'tupleIndex'}) if exists $_->{'tupleIndex'};
+        $fh->printf(">\n");
+
+        $_->dumpXML($fh);
+
+        $fh->printf("</%s>\n", $_->type);
+    }
+
+    $fh->printf("</kern>\n");
+}
+
+1;
+
+=head1 BUGS
+
+None known
+
+=head1 AUTHOR
+
+Jonathan Kew L<Jonathan_Kew@sil.org>. See L<Font::TTF::Font> for copyright and
+licensing.
+
+=cut
+