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public/vendor/phenx/php-font-lib/src/FontLib/EOT/Header.php 3.21 KB
86143e36f   Андрей Ларионов   Коммит вторник
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  <?php
  /**
   * @package php-font-lib
   * @link    https://github.com/dompdf/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);
    }
  }