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dompdf/lib/php-font-lib/src/FontLib/Table/Table.php 1.97 KB
670b6d6f8   tuan   2016/09/22 - Copy...
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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\Table;
  
  use FontLib\TrueType\File;
  use FontLib\Font;
  use FontLib\BinaryStream;
  
  /**
   * Generic font table.
   *
   * @package php-font-lib
   */
  class Table extends BinaryStream
  {
      /**
       * @var DirectoryEntry
       */
      protected $entry;
      protected $def = array();
  
      public $data;
  
      final public function __construct(DirectoryEntry $entry)
      {
          $this->entry = $entry;
          $entry->setTable($this);
      }
  
      /**
       * @return File
       */
      public function getFont()
      {
          return $this->entry->getFont();
      }
  
      protected function _encode()
      {
          if (empty($this->data)) {
              Font::d("  >> Table is empty");
  
              return 0;
          }
  
          return $this->getFont()->pack($this->def, $this->data);
      }
  
      protected function _parse()
      {
          $this->data = $this->getFont()->unpack($this->def);
      }
  
      protected function _parseRaw()
      {
          $this->data = $this->getFont()->read($this->entry->length);
      }
  
      protected function _encodeRaw()
      {
          return $this->getFont()->write($this->data, $this->entry->length);
      }
  
      public function toHTML()
      {
          return "<pre>" . var_export($this->data, true) . "</pre>";
      }
  
      final public function encode()
      {
          $this->entry->startWrite();
  
          if (false && empty($this->def)) {
              $length = $this->_encodeRaw();
          } else {
              $length = $this->_encode();
          }
  
          $this->entry->endWrite();
  
          return $length;
      }
  
      final public function parse()
      {
          $this->entry->startRead();
  
          if (false && empty($this->def)) {
              $this->_parseRaw();
          } else {
              $this->_parse();
          }
  
          $this->entry->endRead();
      }
  }