141 lines
3.1 KiB
PHP
141 lines
3.1 KiB
PHP
<?php
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/**
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* @package php-font-lib
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* @link https://github.com/PhenX/php-font-lib
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* @author Fabien Ménager <fabien.menager@gmail.com>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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*/
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/**
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* `post` font table.
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*
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* @package php-font-lib
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*/
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class Font_Table_post extends Font_Table {
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protected $def = array(
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"format" => self::Fixed,
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"italicAngle" => self::Fixed,
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"underlinePosition" => self::FWord,
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"underlineThickness" => self::FWord,
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"isFixedPitch" => self::uint32,
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"minMemType42" => self::uint32,
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"maxMemType42" => self::uint32,
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"minMemType1" => self::uint32,
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"maxMemType1" => self::uint32,
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);
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protected function _parse(){
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$font = $this->getFont();
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$data = $font->unpack($this->def);
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$names = array();
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switch($data["format"]) {
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case 1:
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$names = Font_TrueType::$macCharNames;
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break;
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case 2:
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$data["numberOfGlyphs"] = $font->readUInt16();
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$glyphNameIndex = array();
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for($i = 0; $i < $data["numberOfGlyphs"]; $i++) {
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$glyphNameIndex[] = $font->readUInt16();
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}
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$data["glyphNameIndex"] = $glyphNameIndex;
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$namesPascal = array();
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for($i = 0; $i < $data["numberOfGlyphs"]; $i++) {
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$len = $font->readUInt8();
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$namesPascal[] = $font->read($len);
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}
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foreach($glyphNameIndex as $g => $index) {
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if ($index < 258) {
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$names[$g] = Font_TrueType::$macCharNames[$index];
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}
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else {
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$names[$g] = $namesPascal[$index - 258];
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}
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}
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break;
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case 2.5:
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// TODO
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break;
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case 3:
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// nothing
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break;
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case 4:
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// TODO
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break;
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}
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$data["names"] = $names;
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$this->data = $data;
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}
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function _encode(){
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$font = $this->getFont();
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$data = $this->data;
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$data["format"] = 3;
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$length = $font->pack($this->def, $data);
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return $length;
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/*
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$subset = $font->getSubset();
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switch($data["format"]) {
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case 1:
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// nothing to do
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break;
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case 2:
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$old_names = $data["names"];
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$glyphNameIndex = range(0, count($subset));
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$names = array();
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foreach($subset as $gid) {
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$names[] = $data["names"][$data["glyphNameIndex"][$gid]];
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}
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$numberOfGlyphs = count($names);
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$length += $font->writeUInt16($numberOfGlyphs);
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foreach($glyphNameIndex as $gni) {
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$length += $font->writeUInt16($gni);
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}
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//$names = array_slice($names, 257);
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foreach($names as $name) {
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$len = strlen($name);
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$length += $font->writeUInt8($len);
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$length += $font->write($name, $len);
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}
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break;
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case 2.5:
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// TODO
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break;
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case 3:
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// nothing
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break;
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case 4:
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// TODO
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break;
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}
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return $length;*/
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}
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} |