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