good pdf, some general updates

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

diff --git a/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Rearrangement.pm b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Rearrangement.pm
new file mode 100644 (file)
index 0000000..126144f
--- /dev/null
+++ b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Rearrangement.pm
@@ -0,0 +1,107 @@
+package Font::TTF::Mort::Rearrangement;
+
+=head1 NAME
+
+Font::TTF::Mort::Rearrangement - Rearrangement Mort subtable for AAT
+
+=head1 METHODS
+
+=cut
+
+use strict;
+use vars qw(@ISA);
+use Font::TTF::Utils;
+use Font::TTF::AATutils;
+
+@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, $fh) = @_;
+    
+    my ($classes, $states) = AAT_read_state_table($fh, 0);
+    $self->{'classes'} = $classes;
+    $self->{'states'} = $states;
+            
+    $self;
+}
+
+=head2 $t->pack_sub()
+
+=cut
+
+sub pack_sub
+{
+    my ($self) = @_;
+    
+    return AAT_pack_state_table($self->{'classes'}, $self->{'states'}, 0);
+}
+
+=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'};
+    my @verbs = (    "0", "Ax->xA", "xD->Dx", "AxD->DxA",
+                    "ABx->xAB", "ABx->xBA", "xCD->CDx", "xCD->DCx",
+                    "AxCD->CDxA", "AxCD->DCxA", "ABxD->DxAB", "ABxD->DxBA",
+                    "ABxCD->CDxAB", "ABxCD->CDxBA", "ABxCD->DCxAB", "ABxCD->DCxBA");
+    foreach (0 .. $#$states) {
+        $fh->printf("\t\tState %d:", $_);
+        my $state = $states->[$_];
+        foreach (@$state) {
+            my $flags;
+            $flags .= "!" if ($_->{'flags'} & 0x4000);
+            $flags .= "<" if ($_->{'flags'} & 0x8000);
+            $flags .= ">" if ($_->{'flags'} & 0x2000);
+            $fh->printf("\t(%s%d,%s)", $flags, $_->{'nextState'}, $verbs[($_->{'flags'} & 0x000f)]);
+        }
+        $fh->print("\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
+