+++ /dev/null
-# Copyright (c) 2009 Philip Taylor
-#
-# Permission is hereby granted, free of charge, to any person
-# obtaining a copy of this software and associated documentation
-# files (the "Software"), to deal in the Software without
-# restriction, including without limitation the rights to use,
-# copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following
-# conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-# OTHER DEALINGS IN THE SOFTWARE.
-
-package Font::EOTWrapper;
-
-use strict;
-use warnings;
-
-use Font::TTF::Font;
-use Encode;
-
-use constant TTEMBED_SUBSET => 0x00000001;
-use constant TTEMBED_TTCOMPRESSED => 0x00000004;
-use constant TTEMBED_XORENCRYPTDATA => 0x10000000;
-use constant DEFAULT_CHARSET => 0x01;
-
-sub convert {
- my ($in_fn, $out_fn) = @_;
-
- my $font_data = do {
- open my $fh, $in_fn or die "Failed to open $in_fn: $!";
- binmode $fh;
- local $/;
- <$fh>
- };
-
- my $font = Font::TTF::Font->open($in_fn) or die "Failed to open $in_fn: $!";
-
- open my $out, '>', $out_fn or die "Failed to open $out_fn: $!";
- binmode $out;
-
- $font->{name}->read if $font->{name};
-
- my $os2 = $font->{'OS/2'};
- $os2->read;
-
- my $rootString = '';
-
- my $header = '';
- $header .= pack V => length($font_data);
- $header .= pack V => 0x00020001;
- $header .= pack V => TTEMBED_SUBSET;
- $header .= pack C10 => map $os2->{$_}, qw(bFamilyType bSerifStyle bWeight bProportion bContrast bStrokeVariation bArmStyle bLetterform bMidline bXheight);
- $header .= pack C => DEFAULT_CHARSET;
- $header .= pack C => (($os2->{fsSelection} & 1) ? 1 : 0);
- $header .= pack V => $os2->{usWeightClass};
- $header .= pack v => $os2->{fsType};
- $header .= pack v => 0x504C;
- $header .= pack VVVV => map $os2->{$_}, qw(ulUnicodeRange1 ulUnicodeRange2 ulUnicodeRange3 ulUnicodeRange4);
- $header .= pack VV => map $os2->{$_}, qw(ulCodePageRange1 ulCodePageRange2);
- $header .= pack V => $font->{head}{checkSumAdjustment};
- $header .= pack VVVV => 0, 0, 0, 0;
- $header .= pack v => 0;
- $header .= pack 'v/a*' => encode 'utf-16le' => $font->{name}->find_name(1); # family name
- $header .= pack v => 0;
- $header .= pack 'v/a*' => encode 'utf-16le' => $font->{name}->find_name(2); # style name
- $header .= pack v => 0;
- $header .= pack 'v/a*' => encode 'utf-16le' => $font->{name}->find_name(5); # version name
- $header .= pack v => 0;
- $header .= pack 'v/a*' => encode 'utf-16le' => $font->{name}->find_name(4); # full name
- $header .= pack v => 0;
- $header .= pack 'v/a*' => encode 'utf-16le' => $rootString;
-
- $out->print(pack V => 4 + length($header) + length($font_data));
- $out->print($header);
- $out->print($font_data);
-
- $font->release;
-}
-
-sub extract {
- my ($in_fn, $out_fn) = @_;
-
- my $eot_data = do {
- open my $fh, $in_fn or die "Failed to open $in_fn: $!";
- binmode $fh;
- local $/;
- <$fh>
- };
-
- die "Error: EOT too small" if length $eot_data < 16;
-
- my ($eot_size, $font_data_size, $version, $flags) = unpack VVVV => substr $eot_data, 0, 16;
-
- die "Error: Invalid EOTSize ($eot_size, should be ".(length $eot_data).")" if $eot_size != length $eot_data;
- die "Error: Invalid Version ($version)" if not ($version == 0x00020000 or $version == 0x00020001 or $version == 0x00020002);
- die "Error: Can't handle compressed fonts" if $flags & TTEMBED_TTCOMPRESSED;
-
- # Skip the header fields
- my $rest = substr $eot_data, 16+66;
-
- my ($family_name, $style_name, $version_name, $full_name, $rest2) = unpack 'v/a* xx v/a* xx v/a* xx v/a* a*' => $rest;
-
- my $font_data;
- if ($version == 0x00020000) { # not 0x00010000 - spec is wrong (http://lists.w3.org/Archives/Public/www-font/2009JulSep/0862.html)
- $font_data = $rest2;
- } elsif ($version == 0x00020001) {
- my ($root, $data) = unpack 'xx v/a* a*' => $rest2;
- $font_data = $data;
- } elsif ($version == 0x00020002) {
- my ($root, $root_checksum, $eudc_codepage, $signature, $eudc_flags, $eudc_font, $data)
- = unpack 'xx v/a* V V xx v/a* V v/a* a*' => $rest2;
- $font_data = $data;
- }
-
- if ($flags & TTEMBED_XORENCRYPTDATA) {
- $font_data ^= ("\x50" x length $font_data);
- }
-
- open my $fh, '>', $out_fn or die "Failed to open $out_fn: $!";
- binmode $fh;
- print $fh $font_data;
-}
-
-# sub rootStringChecksum {
-# my $s = 0;
-# $s += $_ for unpack 'C*', $_[0];
-# return $s ^ 0x50475342;
-# }
-
-1;
fnp / librarian.git / blobdiff