<?php

/**

 * @package php-font-lib

 * @link    http://php-font-lib.googlecode.com/

 * @author  Fabien Ménager <fabien.menager@gmail.com>

 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License

 * @version $Id: font_header.cls.php 34 2011-10-23 13:53:25Z fabien.menager $

 */



/**

 * Font header container.

 * 

 * @package php-font-lib

 */

abstract class Font_Header extends Font_Binary_Stream {

  /**

   * @var Font_TrueType

   */

  protected $font;

  protected $def = array();

  

  public $data;

  

  public function __construct(Font_TrueType $font) {

    $this->font = $font;

  }

  

  public function encode(){

    return $this->font->pack($this->def, $this->data);

  }

  

  public function parse(){

    $this->data = $this->font->unpack($this->def);

  }

}