init III

Perl OTRS/Kernel/cpan-lib/Font/TTF/DSIG.pm

@@ -0,0 +1,88 @@
+package Font::TTF::DSIG;
+
+use strict;
+use vars qw(@ISA);
+
+require Font::TTF::Table;
+use Font::TTF::Utils;
+
+@ISA = qw(Font::TTF::Table);
+
+sub create
+{
+    my ($class) = @_;
+    my ($self) = { 'version' => 1, 'numtables' => 0, 'perms' => 0 };
+    bless $self, ref $class || $class;
+    return $self;
+}
+
+sub read
+{
+    my ($self) = @_;
+    my ($dat, $i, @records, $r);
+
+    $self->SUPER::read || return $self;
+    $self->{' INFILE'}->read($dat, 8);
+    ($self->{'version'}, $self->{'numtables'}, $self->{'perms'}) = unpack("Nnn", $dat);
+    for ($i = 0; $i < $self->{'numtables'}; $i++)
+    {
+        $self->{' INFILE'}->read($dat, 12);
+        push (@records, [unpack("N3", $dat)]);
+    }
+    foreach $r (@records)
+    {
+        if ($r->[0] == 1)
+        {
+            $self->{' INFILE'}->seek($self->{' OFFSET'} + $r->[2],0);
+            $self->{' INFILE'}->read($dat, $r->[1]);
+            push @{$self->{'records'}}, substr($dat, 8);
+        }
+    }
+    $self;
+}
+
+sub isempty
+{
+    my ($self) = @_;
+    return $self->read->{'numtables'} == 0;
+}
+
+sub out
+{
+    my ($self, $fh) = @_;
+    my ($i, $curlen);
+
+    return $self->SUPER::out($fh) unless $self->{' read'};      # this is never true
+    $fh->print(pack("Nnn", $self->{'version'}, $self->{'numtables'}, $self->{'perms'}));
+    $curlen = 0;
+    for ($i = 0; $i < $self->{'numtables'}; $i++)
+    {
+        $fh->print(pack("N3", 1, length($self->{'records'}[$i]) + 8, $curlen + $self->{'numtables'} * 12 + 8));
+        $curlen += length($self->{'records'}[$i]) + 8;
+    }
+    for ($i = 0; $i < $self->{'numtables'}; $i++)
+    {
+        $fh->print(pack("nnN", 0, 0, length($self->{'records'}[$i])));
+        $fh->print($self->{'records'}[$i]);
+    }
+    $self;
+}
+
+1;
+
+=head1 AUTHOR
+
+Martin Hosken L<http://scripts.sil.org/FontUtils>. 
+
+
+=head1 LICENSING
+
+Copyright (c) 1998-2016, SIL International (http://www.sil.org) 
+
+This module is released under the terms of the Artistic License 2.0. 
+For details, see the full text of the license in the file LICENSE.
+
+
+
+=cut
+