vendor/phenx/php-font-lib/src/FontLib/EOT/Header.php

   1 <?php
   2 /**
   3  * @package php-font-lib
   4  * @link    https://github.com/PhenX/php-font-lib
   5  * @author  Fabien Ménager <fabien.menager@gmail.com>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8
   9 namespace FontLib\EOT;
  10
  11 use Exception;
  12 use FontLib\Font;
  13
  14 /**
  15  * TrueType font file header.
  16  *
  17  * @package php-font-lib
  18  *
  19  * @property File $font
  20  */
  21 class Header extends \FontLib\Header {
  22   protected $def = array(
  23     "format"        => self::uint32,
  24     "numTables"     => self::uint16,
  25     "searchRange"   => self::uint16,
  26     "entrySelector" => self::uint16,
  27     "rangeShift"    => self::uint16,
  28   );
  29
  30   public function parse() {
  31     $font = $this->font;
  32
  33     $this->data = $font->unpack(array(
  34       "EOTSize"            => self::uint32,
  35       "FontDataSize"       => self::uint32,
  36       "Version"            => self::uint32,
  37       "Flags"              => self::uint32,
  38       "FontPANOSE"         => array(self::uint8, 10),
  39       "Charset"            => self::uint8,
  40       "Italic"             => self::uint8,
  41       "Weight"             => self::uint32,
  42       "fsType"             => self::uint16,
  43       "MagicNumber"        => self::uint16,
  44       "UnicodeRange1"      => self::uint32,
  45       "UnicodeRange2"      => self::uint32,
  46       "UnicodeRange3"      => self::uint32,
  47       "UnicodeRange4"      => self::uint32,
  48       "CodePageRange1"     => self::uint32,
  49       "CodePageRange2"     => self::uint32,
  50       "CheckSumAdjustment" => self::uint32,
  51       "Reserved1"          => self::uint32,
  52       "Reserved2"          => self::uint32,
  53       "Reserved3"          => self::uint32,
  54       "Reserved4"          => self::uint32,
  55     ));
  56
  57     $this->data["Padding1"] = $font->readUInt16();
  58     $this->readString("FamilyName");
  59
  60     $this->data["Padding2"] = $font->readUInt16();
  61     $this->readString("StyleName");
  62
  63     $this->data["Padding3"] = $font->readUInt16();
  64     $this->readString("VersionName");
  65
  66     $this->data["Padding4"] = $font->readUInt16();
  67     $this->readString("FullName");
  68
  69     switch ($this->data["Version"]) {
  70       default:
  71         throw new Exception("Unknown EOT version " . $this->data["Version"]);
  72
  73       case 0x00010000:
  74         // Nothing to do more
  75         break;
  76
  77       case 0x00020001:
  78         $this->data["Padding5"] = $font->readUInt16();
  79         $this->readString("RootString");
  80         break;
  81
  82       case 0x00020002:
  83         $this->data["Padding5"] = $font->readUInt16();
  84         $this->readString("RootString");
  85
  86         $this->data["RootStringCheckSum"] = $font->readUInt32();
  87         $this->data["EUDCCodePage"]       = $font->readUInt32();
  88
  89         $this->data["Padding6"] = $font->readUInt16();
  90         $this->readString("Signature");
  91
  92         $this->data["EUDCFlags"]    = $font->readUInt32();
  93         $this->data["EUDCFontSize"] = $font->readUInt32();
  94         break;
  95     }
  96
  97     if (!empty($this->data["RootString"])) {
  98       $this->data["RootString"] = explode("\0", $this->data["RootString"]);
  99     }
 100   }
 101
 102   private function readString($name) {
 103     $font = $this->font;
 104     $size = $font->readUInt16();
 105
 106     $this->data["{$name}Size"] = $size;
 107     $this->data[$name]         = Font::UTF16ToUTF8($font->read($size));
 108   }
 109
 110   public function encode() {
 111     //return $this->font->pack($this->def, $this->data);
 112   }
 113 }