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dompdf/lib/php-font-lib/src/FontLib/EOT/Header.php 3.41 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\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);
      }
  }