/usr/share/perl5/Font/TTF/Bsln.pm is in libfont-ttf-perl 1.04-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | package Font::TTF::Bsln;
=head1 NAME
Font::TTF::Bsln - Baseline table in a font
=head1 DESCRIPTION
=head1 INSTANCE VARIABLES
=over
=item version
=item xformat
=item defaultBaseline
=item deltas
=item stdGlyph
=item ctlPoints
=item lookupFormat
=item lookup
=back
=head1 METHODS
=cut
use strict;
use vars qw(@ISA);
use Font::TTF::AATutils;
use Font::TTF::Utils;
require Font::TTF::Table;
@ISA = qw(Font::TTF::Table);
=head2 $t->read
Reads the table into memory
=cut
sub read
{
my ($self) = @_;
my ($dat, $fh);
$self->SUPER::read or return $self;
$fh = $self->{' INFILE'};
$fh->read($dat, 8);
my ($version, $format, $defaultBaseline) = TTF_Unpack("vSS", $dat);
if ($format == 0 or $format == 1) {
$fh->read($dat, 64);
$self->{'deltas'} = [TTF_Unpack("s*", $dat)];
}
elsif ($format == 2 or $format == 3) {
$fh->read($dat, 2);
$self->{'stdGlyph'} = unpack("n", $dat);
$fh->read($dat, 64);
$self->{'ctlPoints'} = unpack("n*", $dat);
}
else {
die "unknown table format";
}
if ($format == 1 or $format == 3) {
my $len = $self->{' LENGTH'} - ($fh->tell() - $self->{' OFFSET'});
my ($lookupFormat, $lookup) = AAT_read_lookup($fh, 2, $len, $defaultBaseline);
$self->{'lookupFormat'} = $lookupFormat;
$self->{'lookup'} = $lookup;
}
$self->{'version'} = $version;
$self->{'format'} = $format;
$self->{'defaultBaseline'} = $defaultBaseline;
$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 $format = $self->{'format'};
my $defaultBaseline = $self->{'defaultBaseline'};
$fh->print(TTF_Pack("vSS", $self->{'version'}, $format, $defaultBaseline));
AAT_write_lookup($fh, $self->{'lookupFormat'}, $self->{'lookup'}, 2, $defaultBaseline) if ($format == 1 or $format == 3);
}
=head2 $t->print($fh)
Prints a human-readable representation of the table
=cut
sub print
{
my ($self, $fh) = @_;
$self->read;
$fh = 'STDOUT' unless defined $fh;
my $format = $self->{'format'};
$fh->printf("version %f\nformat %d\ndefaultBaseline %d\n", $self->{'version'}, $format, $self->{'defaultBaseline'});
if ($format == 0 or $format == 1) {
$fh->printf("\tdeltas:\n");
my $deltas = $self->{'deltas'};
foreach (0 .. 31) {
$fh->printf("\t\t%d: %d%s\n", $_, $deltas->[$_], defined baselineName_($_) ? "\t# " . baselineName_($_) : "");
}
}
if ($format == 2 or $format == 3) {
$fh->printf("\tstdGlyph = %d\n", $self->{'stdGlyph'});
my $ctlPoints = $self->{'ctlPoints'};
foreach (0 .. 31) {
$fh->printf("\t\t%d: %d%s\n", $_, $ctlPoints->[$_], defined baselineName_($_) ? "\t# " . baselineName_($_) : "");
}
}
if ($format == 1 or $format == 3) {
$fh->printf("lookupFormat %d\n", $self->{'lookupFormat'});
my $lookup = $self->{'lookup'};
foreach (sort { $a <=> $b } keys %$lookup) {
$fh->printf("\tglyph %d: %d%s\n", $_, $lookup->{$_}, defined baselineName_($_) ? "\t# " . baselineName_($_) : "");
}
}
}
sub baselineName_
{
my ($b) = @_;
my @baselines = ( 'Roman', 'Ideographic centered', 'Ideographic low', 'Hanging', 'Math' );
$baselines[$b];
}
1;
=head1 BUGS
None known
=head1 AUTHOR
Jonathan Kew L<Jonathan_Kew@sil.org>.
=head1 LICENSING
Copyright (c) 1998-2013, 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
|