good pdf, some general updates

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

diff --git a/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Sill.pm b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Sill.pm
new file mode 100644 (file)
index 0000000..6a17af1
--- /dev/null
+++ b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Sill.pm
@@ -0,0 +1,114 @@
+package Font::TTF::Sill;
+
+=head1 NAME
+
+Font::TTF::Sill - Graphite language mapping table
+
+=head1 DESCRIPTION
+
+=head1 INSTANCE VARIABLES
+
+=over 4
+
+=item version
+
+Table version number.
+
+=item langs
+
+Contains a hash where the key is the language id and the value is an array of
+language records
+
+=back
+
+=head2 Language Records
+
+Each language record is itself an array of two values [fid, val]. fid is the
+feature id and is held as a long.
+
+=cut
+
+use Font::TTF::Utils;
+require Font::TTF::Table;
+
+@ISA = qw(Font::TTF::Table);
+
+sub read
+{
+    my ($self) = @_;
+    my ($num, $i, $j);
+
+    return $self if ($self->{' read'});
+    $self->SUPER::read_dat or return $self;
+
+    ($self->{'version'}, $num) = TTF_Unpack("vS", $self->{' dat'});
+
+    foreach $i (1 .. $num)        # ignore bogus entry at end
+    {
+        my ($lid, $numf, $offset) = unpack("A4nn", substr($self->{' dat'}, $i * 8 + 4));      # 12 - 8 = 4 since i starts at 1. A4 strips nulls
+        my (@settings);
+
+        foreach $j (1 .. $numf)
+        {
+            my ($fid, $val) = TTF_Unpack("Ls", substr($self->{' dat'}, $offset + $j * 8 - 8));
+            push (@settings, [$fid, $val]);
+        }
+        $self->{'langs'}{$lid} = [@settings];
+    }
+    delete $self->{' dat'};
+    $self->{' read'} = 1;
+    $self;
+}
+
+sub out
+{
+    my ($self, $fh) = @_;
+    my ($num, $range, $select, $shift) = TTF_bininfo(scalar keys %{$self->{'langs'}}, 1);
+    my ($offset) = $num * 8 + 20;   #header = 12, dummy = 8
+    my ($k, $s);
+
+    return $self->SUPER::out($fh) unless ($self->{' read'});
+    $fh->print(TTF_Pack("vSSSS", $self->{'version'}, $num, $range, $select, $shift));
+    foreach $k (sort (keys %{$self->{'langs'}}), '+1')
+    {
+        my ($numf) = scalar @{$self->{'langs'}{$k}} unless ($k eq '+1');
+        $fh->print(pack("a4nn", $k, $numf, $offset));
+        $offset += $numf * 8;
+    }
+
+    foreach $k (sort keys %{$self->{'langs'}})
+    {
+        foreach $s (@{$self->{'langs'}{$k}})
+        { $fh->print(TTF_Pack("LsS", @{$s}, 0)); }
+    }
+    $self;
+}
+
+sub XML_element
+{
+    my ($self) = shift;
+    my ($context, $depth, $key, $dat) = @_;
+    my ($fh) = $context->{'fh'};
+    my ($k, $s);
+
+    return $self->SUPER::XML_element(@_) unless ($key eq 'langs');
+    foreach $k (sort keys %{$self->{'langs'}})
+    {
+        $fh->printf("%s<lang id='%s'>\n", $depth, $k);
+        foreach $s (@{$self->{'langs'}{$k}})
+        {
+            my ($fid) = $s->[0];
+            if ($fid > 0x00FFFFFF)
+            { $fid = unpack("A4", pack ("N", $fid)); }
+            else
+            { $fid = sprintf("%d", $fid); }
+            $fh->printf("%s%s<feature id='%s' value='%d'/>\n",
+                $depth, $context->{'indent'}, $fid, $s->[1]);
+        }
+        $fh->printf("%s</lang>\n", $depth);
+    }
+    $self;
+}
+1;
+        
+