X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/e316fc14bef26f958937aec0e6854b61f71a3b34..09dded3d8606e8e4406fffcf477ceb4a1c97fee2:/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Font.pm?ds=inline diff --git a/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Font.pm b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Font.pm new file mode 100644 index 0000000..8f5cc50 --- /dev/null +++ b/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Font.pm @@ -0,0 +1,767 @@ +package Font::TTF::Font; + +=head1 NAME + +Font::TTF::Font - Memory representation of a font + +=head1 SYNOPSIS + +Here is the regression test (you provide your own font). Run it once and then +again on the output of the first run. There should be no differences between +the outputs of the two runs. + + $f = Font::TTF::Font->open($ARGV[0]); + + # force a read of all the tables + $f->tables_do(sub { $_[0]->read; }); + + # force read of all glyphs (use read_dat to use lots of memory!) + # $f->{'loca'}->glyphs_do(sub { $_[0]->read; }); + $f->{'loca'}->glyphs_do(sub { $_[0]->read_dat; }); + # NB. no need to $g->update since $f->{'glyf'}->out will do it for us + + $f->out($ARGV[1]); + $f->release; # clear up memory forcefully! + +=head1 DESCRIPTION + +A Truetype font consists of a header containing a directory of tables which +constitute the rest of the file. This class holds that header and directory and +also creates objects of the appropriate type for each table within the font. +Note that it does not read each table into memory, but creates a short reference +which can be read using the form: + + $f->{$tablename}->read; + +Classes are included that support many of the different TrueType tables. For +those for which no special code exists, the table type C is used, which +defaults to L. The current tables which are supported are: + + table Font::TTF::Table - for unknown tables + EBDT Font::TTF::EBDT + EBLC Font::TTF::EBLC + Feat Font::TTF::GrFeat + GDEF Font::TTF::GDEF + GPOS Font::TTF::GPOS + GSUB Font::TTF::GSUB + LTSH Font::TTF::LTSH + OS/2 Font::TTF::OS_2 + PCLT Font::TTF::PCLT + Sill Font::TTF::Sill + bsln Font::TTF::Bsln + cmap Font::TTF::Cmap - see also Font::TTF::OldCmap + cvt Font::TTF::Cvt_ + fdsc Font::TTF::Fdsc + feat Font::TTF::Feat + fmtx Font::TTF::Fmtx + fpgm Font::TTF::Fpgm + glyf Font::TTF::Glyf - see also Font::TTF::Glyph + hdmx Font::TTF::Hdmx + head Font::TTF::Head + hhea Font::TTF::Hhea + hmtx Font::TTF::Hmtx + kern Font::TTF::Kern - see alternative Font::TTF::AATKern + loca Font::TTF::Loca + maxp Font::TTF::Maxp + mort Font::TTF::Mort - see also Font::TTF::OldMort + name Font::TTF::Name + post Font::TTF::Post + prep Font::TTF::Prep + prop Font::TTF::Prop + vhea Font::TTF::Vhea + vmtx Font::TTF::Vmtx + +Links are: + +L +L L L +L L L L +L L L L L L +L L L L L +L L L L L +L L L L L +L L L L L +L L L + + +=head1 INSTANCE VARIABLES + +Instance variables begin with a space (and have lengths greater than the 4 +characters which make up table names). + +=over + +=item nocsum + +This is used during output to disable the creation of the file checksum in the +head table. For example, during DSIG table creation, this flag will be set to +ensure that the file checksum is left at zero. + +=item noharmony + +If set, do not harmonize the script and lang trees of GPOS and GSUB tables. See L for more info. + +=item fname (R) + +Contains the filename of the font which this object was read from. + +=item INFILE (P) + +The file handle which reflects the source file for this font. + +=item OFFSET (P) + +Contains the offset from the beginning of the read file of this particular +font directory, thus providing support for TrueType Collections. + +=back + +=head1 METHODS + +=cut + +use IO::File; + +use strict; +use vars qw(%tables $VERSION $dumper); +use Symbol(); + +require 5.004; + +$VERSION = 0.38; # MJPH 2-FEB-2008 Add Sill table +# $VERSION = 0.37; # MJPH 7-OCT-2005 Force hhea update if dirty, give more OS/2 stuff in update +# $VERSION = 0.36; # MJPH 19-AUG-2005 Change cmap::reverse api to be opts based +# $VERSION = 0.35; # MJPH 4-MAY-2004 Various fixes to OpenType stuff, separate off scripts +# $VERSION = 0.34; # MJPH 22-MAY-2003 Update PSNames to latest AGL +# $VERSION = 0.33; # MJPH 9-OCT-2002 Support CFF OpenType (just by version=='OTTO'?!) +# $VERSION = 0.32; # MJPH 2-OCT-2002 Bug fixes to TTFBuilder, new methods and some +# extension table support in Ttopen and Coverage +# $VERSION = 0.31; # MJPH 1-JUL-2002 fix read format 12 cmap (bart@cs.pdx.edu) +# improve surrogate support in ttfremap +# fix return warn to return warn,undef +# ensure correct indexToLocFormat +# $VERSION = 0.30; # MJPH 28-MAY-2002 add updated release +# $VERSION = 0.29; # MJPH 9-APR-2002 update ttfbuilder, sort out surrogates +# $VERSION = 0.28; # MJPH 13-MAR-2002 update ttfbuilder, add Font::TTF::Cmap::ms_enc() +# $VERSION = 0.27; # MJPH 6-FEB-2002 update ttfbuilder, support no fpgm, no more __DATA__ +# $VERSION = 0.26; # MJPH 19-SEP-2001 Update ttfbuilder +# $VERSION = 0.25; # MJPH 18-SEP-2001 problems in update of head +# $VERSION = 0.24; # MJPH 1-AUG-2001 Sort out update +# $VERSION = 0.23; # GST 30-MAY-2001 Memory leak fixed +# $VERSION = 0.22; # MJPH 09-APR-2001 Ensure all of AAT stuff included +# $VERSION = 0.21; # MJPH 23-MAR-2001 Improve Opentype support +# $VERSION = 0.20; # MJPH 13-JAN-2001 Add XML output and some of XML input, AAT & OT tables +# $VERSION = 0.19; # MJPH 29-SEP-2000 Add cmap::is_unicode, debug makefile.pl +# $VERSION = 0.18; # MJPH 21-JUL-2000 Debug Utils::TTF_bininfo +# $VERSION = 0.17; # MJPH 16-JUN-2000 Add utf8 support to names +# $VERSION = 0.16; # MJPH 26-APR-2000 Mark read tables as read, tidy up POD +# $VERSION = 0.15; # MJPH 5-FEB-2000 Ensure right versions released +# $VERSION = 0.14; # MJPH 11-SEP-1999 Sort out Unixisms, agian! +# $VERSION = 0.13; # MJPH 9-SEP-1999 Add empty, debug update_bbox +# $VERSION = 0.12; # MJPH 22-JUL-1999 Add update_bbox +# $VERSION = 0.11; # MJPH 7-JUL-1999 Don't store empties in cmaps +# $VERSION = 0.10; # MJPH 21-JUN-1999 Use IO::File +# $VERSION = 0.09; # MJPH 9-JUN-1999 Add 5.004 require, minor tweeks in cmap +# $VERSION = 0.08; # MJPH 19-MAY-1999 Sort out line endings for Unix +# $VERSION = 0.07; # MJPH 28-APR-1999 Get the regression tests to work +# $VERSION = 0.06; # MJPH 26-APR-1999 Start to add to CVS, correct MANIFEST.SKIP +# $VERSION = 0.05; # MJPH 13-APR-1999 See changes for 0.05 +# $VERSION = 0.04; # MJPH 13-MAR-1999 Tidy up Tarball +# $VERSION = 0.03; # MJPH 9-MAR-1999 Move to Font::TTF for CPAN +# $VERSION = 0.02; # MJPH 12-FEB-1999 Add support for ' nocsum' for DSIGS +# $VERSION = 0.0001; + +%tables = ( + 'table' => 'Font::TTF::Table', + 'EBDT' => 'Font::TTF::EBDT', + 'EBLC' => 'Font::TTF::EBLC', + 'Feat' => 'Font::TTF::GrFeat', + 'GDEF' => 'Font::TTF::GDEF', + 'GPOS' => 'Font::TTF::GPOS', + 'GSUB' => 'Font::TTF::GSUB', + 'LTSH' => 'Font::TTF::LTSH', + 'OS/2' => 'Font::TTF::OS_2', + 'PCLT' => 'Font::TTF::PCLT', + 'Sill' => 'Font::TTF::Sill', + 'bsln' => 'Font::TTF::Bsln', + 'cmap' => 'Font::TTF::Cmap', + 'cvt ' => 'Font::TTF::Cvt_', + 'fdsc' => 'Font::TTF::Fdsc', + 'feat' => 'Font::TTF::Feat', + 'fmtx' => 'Font::TTF::Fmtx', + 'fpgm' => 'Font::TTF::Fpgm', + 'glyf' => 'Font::TTF::Glyf', + 'hdmx' => 'Font::TTF::Hdmx', + 'head' => 'Font::TTF::Head', + 'hhea' => 'Font::TTF::Hhea', + 'hmtx' => 'Font::TTF::Hmtx', + 'kern' => 'Font::TTF::Kern', + 'loca' => 'Font::TTF::Loca', + 'maxp' => 'Font::TTF::Maxp', + 'mort' => 'Font::TTF::Mort', + 'name' => 'Font::TTF::Name', + 'post' => 'Font::TTF::Post', + 'prep' => 'Font::TTF::Prep', + 'prop' => 'Font::TTF::Prop', + 'vhea' => 'Font::TTF::Vhea', + 'vmtx' => 'Font::TTF::Vmtx', + ); + +# This is special code because I am fed up of every time I x a table in the debugger +# I get the whole font printed. Thus substitutes my 3 line change to dumpvar into +# the debugger. Clunky, but nice. You are welcome to a copy if you want one. + +BEGIN { + my ($p); + + foreach $p (@INC) + { + if (-f "$p/mydumpvar.pl") + { + $dumper = 'mydumpvar.pl'; + last; + } + } + $dumper ||= 'dumpvar.pl'; +} + +sub main::dumpValue +{ do $dumper; &main::dumpValue; } + + +=head2 Font::TTF::Font->AddTable($tablename, $class) + +Adds the given class to be used when representing the given table name. It also +'requires' the class for you. + +=cut + +sub AddTable +{ + my ($class, $table, $useclass) = @_; + + $tables{$table} = $useclass; +# $useclass =~ s|::|/|oig; +# require "$useclass.pm"; +} + + +=head2 Font::TTF::Font->Init + +For those people who like making fonts without reading them. This subroutine +will require all the table code for the various table types for you. Not +needed if using Font::TTF::Font::read before using a table. + +=cut + +sub Init +{ + my ($class) = @_; + my ($t); + + foreach $t (values %tables) + { + $t =~ s|::|/|oig; + require "$t.pm"; + } +} + +=head2 Font::TTF::Font->new(%props) + +Creates a new font object and initialises with the given properties. This is +primarily for use when a TTF is embedded somewhere. Notice that the properties +are automatically preceded by a space when inserted into the object. This is in +order that fields do not clash with tables. + +=cut + +sub new +{ + my ($class, %props) = @_; + my ($self) = {}; + + bless $self, $class; + + foreach (keys %props) + { $self->{" $_"} = $props{$_}; } + $self; +} + + +=head2 Font::TTF::Font->open($fname) + +Reads the header and directory for the given font file and creates appropriate +objects for each table in the font. + +=cut + +sub open +{ + my ($class, $fname) = @_; + my ($fh); + my ($self) = {}; + + unless (ref($fname)) + { + $fh = IO::File->new($fname) or return undef; + binmode $fh; + } else + { $fh = $fname; } + + $self->{' INFILE'} = $fh; + $self->{' fname'} = $fname; + $self->{' OFFSET'} = 0; + bless $self, $class; + + $self->read; +} + +=head2 $f->read + +Reads a Truetype font directory starting from the current location in the file. +This has been separated from the C function to allow support for embedded +TTFs for example in TTCs. Also reads the C and C tables immediately. + +=cut + +sub read +{ + my ($self) = @_; + my ($fh) = $self->{' INFILE'}; + my ($dat, $i, $ver, $dir_num, $type, $name, $check, $off, $len, $t); + + $fh->seek($self->{' OFFSET'}, 0); + $fh->read($dat, 12); + ($ver, $dir_num) = unpack("Nn", $dat); + $ver == 1 << 16 || $ver == unpack('N', 'OTTO') || $ver == 0x74727565 or return undef; # support Mac sfnts + + for ($i = 0; $i < $dir_num; $i++) + { + $fh->read($dat, 16) || die "Reading table entry"; + ($name, $check, $off, $len) = unpack("a4NNN", $dat); + $self->{$name} = $self->{' PARENT'}->find($self, $name, $check, $off, $len) && next + if (defined $self->{' PARENT'}); + $type = $tables{$name} || 'Font::TTF::Table'; + $t = $type; + if ($^O eq "MacOS") + { $t =~ s/^|::/:/oig; } + else + { $t =~ s|::|/|oig; } + require "$t.pm"; + $self->{$name} = $type->new(PARENT => $self, + NAME => $name, + INFILE => $fh, + OFFSET => $off, + LENGTH => $len, + CSUM => $check); + } + + foreach $t ('head', 'maxp') + { $self->{$t}->read if defined $self->{$t}; } + + $self; +} + + +=head2 $f->out($fname [, @tablelist]) + +Writes a TTF file consisting of the tables in tablelist. The list is checked to +ensure that only tables that exist are output. (This means that you can't have +non table information stored in the font object with key length of exactly 4) + +In many cases the user simply wants to output all the tables in alphabetical order. +This can be done by not including a @tablelist, in which case the subroutine will +output all the defined tables in the font in alphabetical order. + +Returns $f on success and undef on failure, including warnings. + +All output files must include the C table. + +=cut + +sub out +{ + my ($self, $fname, @tlist) = @_; + my ($fh); + my ($dat, $numTables, $sRange, $eSel); + my (%dir, $k, $mloc, $count); + my ($csum, $lsum, $msum, $loc, $oldloc, $len, $shift); + + unless (ref($fname)) + { + $fh = IO::File->new("+>$fname") || return warn("Unable to open $fname for writing"), undef; + binmode $fh; + } else + { $fh = $fname; } + + $self->{' oname'} = $fname; + $self->{' outfile'} = $fh; + + if ($self->{' wantsig'}) + { + $self->{' nocsum'} = 1; +# $self->{'head'}{'checkSumAdjustment'} = 0; + $self->{' tempDSIG'} = $self->{'DSIG'}; + $self->{' tempcsum'} = $self->{'head'}{' CSUM'}; + delete $self->{'DSIG'}; + @tlist = sort {$self->{$a}{' OFFSET'} <=> $self->{$b}{' OFFSET'}} + grep (length($_) == 4 && defined $self->{$_}, keys %$self) if ($#tlist < 0); + } + elsif ($#tlist < 0) + { @tlist = sort keys %$self; } + + @tlist = grep(length($_) == 4 && defined $self->{$_}, @tlist); + $numTables = $#tlist + 1; + $numTables++ if ($self->{' wantsig'}); + + ($numTables, $sRange, $eSel, $shift) = Font::TTF::Utils::TTF_bininfo($numTables, 16); + $dat = pack("Nnnnn", 1 << 16, $numTables, $sRange, $eSel, $shift); + $fh->print($dat); + $msum = unpack("%32N*", $dat); + +# reserve place holders for each directory entry + foreach $k (@tlist) + { + $dir{$k} = pack("A4NNN", $k, 0, 0, 0); + $fh->print($dir{$k}); + } + + $fh->print(pack('A4NNN', '', 0, 0, 0)) if ($self->{' wantsig'}); + + $loc = $fh->tell(); + if ($loc & 3) + { + $fh->print(substr("\000" x 4, $loc & 3)); + $loc += 4 - ($loc & 3); + } + + foreach $k (@tlist) + { + $oldloc = $loc; + $self->{$k}->out($fh); + $loc = $fh->tell(); + $len = $loc - $oldloc; + if ($loc & 3) + { + $fh->print(substr("\000" x 4, $loc & 3)); + $loc += 4 - ($loc & 3); + } + $fh->seek($oldloc, 0); + $csum = 0; $mloc = $loc; + while ($mloc > $oldloc) + { + $count = ($mloc - $oldloc > 4096) ? 4096 : $mloc - $oldloc; + $fh->read($dat, $count); + $csum += unpack("%32N*", $dat); +# this line ensures $csum stays within 32 bit bounds, clipping as necessary + if ($csum > 0xffffffff) { $csum -= 0xffffffff; $csum--; } + $mloc -= $count; + } + $dir{$k} = pack("A4NNN", $k, $csum, $oldloc, $len); + $msum += $csum + unpack("%32N*", $dir{$k}); + while ($msum > 0xffffffff) { $msum -= 0xffffffff; $msum--; } + $fh->seek($loc, 0); + } + + unless ($self->{' nocsum'}) # assuming we want a file checksum + { +# Now we need to sort out the head table's checksum + if (!defined $dir{'head'}) + { # you have to have a head table + $fh->close(); + return warn("No 'head' table to output in $fname"), undef; + } + ($csum, $loc, $len) = unpack("x4NNN", $dir{'head'}); + $fh->seek($loc + 8, 0); + $fh->read($dat, 4); + $lsum = unpack("N", $dat); + if ($lsum != 0) + { + $csum -= $lsum; + if ($csum < 0) { $csum += 0xffffffff; $csum++; } + $msum -= $lsum * 2; # twice (in head and in csum) + while ($msum < 0) { $msum += 0xffffffff; $msum++; } + } + $lsum = 0xB1B0AFBA - $msum; + $fh->seek($loc + 8, 0); + $fh->print(pack("N", $lsum)); + $dir{'head'} = pack("A4NNN", 'head', $csum, $loc, $len); + } elsif ($self->{' wantsig'}) + { + if (!defined $dir{'head'}) + { # you have to have a head table + $fh->close(); + return warn("No 'head' table to output in $fname"), undef; + } + ($csum, $loc, $len) = unpack("x4NNN", $dir{'head'}); + $fh->seek($loc + 8, 0); + $fh->print(pack("N", 0)); +# $dir{'head'} = pack("A4NNN", 'head', $self->{' tempcsum'}, $loc, $len); + } + +# Now we can output the directory again + if ($self->{' wantsig'}) + { @tlist = sort @tlist; } + $fh->seek(12, 0); + foreach $k (@tlist) + { $fh->print($dir{$k}); } + $fh->print(pack('A4NNN', '', 0, 0, 0)) if ($self->{' wantsig'}); + $fh->close(); + $self; +} + + +=head2 $f->out_xml($filename [, @tables]) + +Outputs the font in XML format + +=cut + +sub out_xml +{ + my ($self, $fname, @tlist) = @_; + my ($fh, $context, $numTables, $k); + + $context->{'indent'} = ' ' x 4; + + unless (ref($fname)) + { + $fh = IO::File->new("+>$fname") || return warn("Unable to open $fname"), undef; + binmode $fh; + } else + { $fh = $fname; } + + unless (scalar @tlist > 0) + { + @tlist = sort keys %$self; + @tlist = grep(length($_) == 4 && defined $self->{$_}, @tlist); + } + $numTables = $#tlist + 1; + + $context->{'fh'} = $fh; + $fh->print("\n"); + $fh->print("\n\n"); + + foreach $k (@tlist) + { + $fh->print("
\n"); + $self->{$k}->out_xml($context, $context->{'indent'}); + $fh->print("
\n"); + } + + $fh->print("\n"); + $fh->close; + $self; +} + + +=head2 $f->XML_start($context, $tag, %attrs) + +Handles start messages from the XML parser. Of particular interest to us are and +. + +=cut + +sub XML_start +{ + my ($self, $context, $tag, %attrs) = @_; + my ($name, $type, $t); + + if ($tag eq 'font') + { $context->{'tree'}[-1] = $self; } + elsif ($tag eq 'table') + { + $name = $attrs{'name'}; + unless (defined $self->{$name}) + { + $type = $tables{$name} || 'Font::TTF::Table'; + $t = $type; + if ($^O eq "MacOS") + { $t =~ s/^|::/:/oig; } + else + { $t =~ s|::|/|oig; } + require "$t.pm"; + $self->{$name} = $type->new('PARENT' => $self, 'NAME' => $name, 'read' => 1); + } + $context->{'receiver'} = ($context->{'tree'}[-1] = $self->{$name}); + } + $context; +} + + +sub XML_end +{ + my ($self) = @_; + my ($context, $tag, %attrs) = @_; + my ($i); + + return undef unless ($tag eq 'table' && $attrs{'name'} eq 'loca'); + if (defined $context->{'glyphs'} && $context->{'glyphs'} ne $self->{'loca'}{'glyphs'}) + { + for ($i = 0; $i <= $#{$context->{'glyphs'}}; $i++) + { $self->{'loca'}{'glyphs'}[$i] = $context->{'glyphs'}[$i] if defined $context->{'glyphs'}[$i]; } + $context->{'glyphs'} = $self->{'loca'}{'glyphs'}; + } + return undef; +} + +=head2 $f->update + +Sends update to all the tables in the font and then resets all the isDirty +flags on each table. The data structure in now consistent as a font (we hope). + +=cut + +sub update +{ + my ($self) = @_; + + $self->tables_do(sub { $_[0]->update; }); + + $self; +} + +=head2 $f->dirty + +Dirties all the tables in the font + +=cut + +sub dirty +{ $_[0]->tables_do(sub { $_[0]->dirty; }); $_[0]; } + +=head2 $f->tables_do(&func [, tables]) + +Calls &func for each table in the font. Calls the table in alphabetical sort +order as per the order in the directory: + + &func($table, $name); + +May optionally take a list of table names in which case func is called +for each of them in the given order. +=cut + +sub tables_do +{ + my ($self, $func, @tables) = @_; + my ($t); + + foreach $t (@tables ? @tables : sort grep {length($_) == 4} keys %$self) + { &$func($self->{$t}, $t); } + $self; +} + + +=head2 $f->release + +Releases ALL of the memory used by the TTF font and all of its component +objects. After calling this method, do B expect to have anything left in +the C object. + +B, that it is important that you call this method on any +C object when you wish to destruct it and free up its memory. +Internally, we track things in a structure that can result in circular +references, and without calling 'C' these will not properly get +cleaned up by Perl. Once you've called this method, though, don't expect to be +able to do anything else with the C object; it'll have B +internal state whatsoever. + +B As part of the brute-force cleanup done here, this method +will throw a warning message whenever unexpected key values are found within +the C object. This is done to help ensure that any unexpected +and unfreed values are brought to your attention so that you can bug us to keep +the module updated properly; otherwise the potential for memory leaks due to +dangling circular references will exist. + +=cut + +sub release +{ + my ($self) = @_; + +# delete stuff that we know we can, here + + my @tofree = map { delete $self->{$_} } keys %{$self}; + + while (my $item = shift @tofree) + { + my $ref = ref($item); + if (UNIVERSAL::can($item, 'release')) + { $item->release(); } + elsif ($ref eq 'ARRAY') + { push( @tofree, @{$item} ); } + elsif (UNIVERSAL::isa($ref, 'HASH')) + { release($item); } + } + +# check that everything has gone - it better had! + foreach my $key (keys %{$self}) + { warn ref($self) . " still has '$key' key left after release.\n"; } +} + +1; + +=head1 BUGS + +Bugs abound aplenty I am sure. There is a lot of code here and plenty of scope. +The parts of the code which haven't been implemented yet are: + +=over 4 + +=item Post + +Version 4 format types are not supported yet. + +=item Cmap + +Format type 2 (MBCS) has not been implemented yet and therefore may cause +somewhat spurious results for this table type. + +=item Kern + +Only type 0 & type 2 tables are supported (type 1 & type 3 yet to come). + +=item TTC + +The current Font::TTF::Font::out method does not support the writing of TrueType +Collections. + +=back + +In addition there are weaknesses or features of this module library + +=over 4 + +=item * + +There is very little (or no) error reporting. This means that if you have +garbled data or garbled data structures, then you are liable to generate duff +fonts. + +=item * + +The exposing of the internal data structures everywhere means that doing +radical re-structuring is almost impossible. But it stop the code from becoming +ridiculously large. + +=back + +Apart from these, I try to keep the code in a state of "no known bugs", which +given the amount of testing this code has had, is not a guarantee of high +quality, yet. + +For more details see the appropriate class files. + +=head1 AUTHOR + +Martin Hosken Martin_Hosken@sil.org + +Copyright Martin Hosken 1998. + +No warranty or expression of effectiveness, least of all regarding anyone's +safety, is implied in this software or documentation. + +=head2 Licensing + +The Perl TTF module is licensed under the Perl Artistic License. +