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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
*/
namespace FontLib\EOT;
use Exception;
use FontLib\Font;
/**
* TrueType font file header.
*
* @package php-font-lib
*
* @property File $font
*/
class Header extends \FontLib\Header {
protected $def = array(
"format" => self::uint32,
"numTables" => self::uint16,
"searchRange" => self::uint16,
"entrySelector" => self::uint16,
"rangeShift" => self::uint16,
);
public function parse() {
$font = $this->font;
$this->data = $font->unpack(array(
"EOTSize" => self::uint32,
"FontDataSize" => self::uint32,
"Version" => self::uint32,
"Flags" => self::uint32,
"FontPANOSE" => array(self::uint8, 10),
"Charset" => self::uint8,
"Italic" => self::uint8,
"Weight" => self::uint32,
"fsType" => self::uint16,
"MagicNumber" => self::uint16,
"UnicodeRange1" => self::uint32,
"UnicodeRange2" => self::uint32,
"UnicodeRange3" => self::uint32,
"UnicodeRange4" => self::uint32,
"CodePageRange1" => self::uint32,
"CodePageRange2" => self::uint32,
"CheckSumAdjustment" => self::uint32,
"Reserved1" => self::uint32,
"Reserved2" => self::uint32,
"Reserved3" => self::uint32,
"Reserved4" => self::uint32,
));
$this->data["Padding1"] = $font->readUInt16();
$this->readString("FamilyName");
$this->data["Padding2"] = $font->readUInt16();
$this->readString("StyleName");
$this->data["Padding3"] = $font->readUInt16();
$this->readString("VersionName");
$this->data["Padding4"] = $font->readUInt16();
$this->readString("FullName");
switch ($this->data["Version"]) {
default:
throw new Exception("Unknown EOT version " . $this->data["Version"]);
case 0x00010000:
// Nothing to do more
break;
case 0x00020001:
$this->data["Padding5"] = $font->readUInt16();
$this->readString("RootString");
break;
case 0x00020002:
$this->data["Padding5"] = $font->readUInt16();
$this->readString("RootString");
$this->data["RootStringCheckSum"] = $font->readUInt32();
$this->data["EUDCCodePage"] = $font->readUInt32();
$this->data["Padding6"] = $font->readUInt16();
$this->readString("Signature");
$this->data["EUDCFlags"] = $font->readUInt32();
$this->data["EUDCFontSize"] = $font->readUInt32();
break;
}
if (!empty($this->data["RootString"])) {
$this->data["RootString"] = explode("\0", $this->data["RootString"]);
}
}
private function readString($name) {
$font = $this->font;
$size = $font->readUInt16();
$this->data["{$name}Size"] = $size;
$this->data[$name] = Font::UTF16ToUTF8($font->read($size));
}
public function encode() {
//return $this->font->pack($this->def, $this->data);
}
}
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