vendor/phenx/php-font-lib/src/FontLib/Table/Type/post.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\Table\Type;
  10 use FontLib\Table\Table;
  11 use FontLib\TrueType\File;
  12
  13 /**
  14  * `post` font table.
  15  *
  16  * @package php-font-lib
  17  */
  18 class post extends Table {
  19   protected $def = array(
  20     "format"             => self::Fixed,
  21     "italicAngle"        => self::Fixed,
  22     "underlinePosition"  => self::FWord,
  23     "underlineThickness" => self::FWord,
  24     "isFixedPitch"       => self::uint32,
  25     "minMemType42"       => self::uint32,
  26     "maxMemType42"       => self::uint32,
  27     "minMemType1"        => self::uint32,
  28     "maxMemType1"        => self::uint32,
  29   );
  30
  31   protected function _parse() {
  32     $font = $this->getFont();
  33     $data = $font->unpack($this->def);
  34
  35     $names = array();
  36
  37     switch ($data["format"]) {
  38       case 1:
  39         $names = File::$macCharNames;
  40         break;
  41
  42       case 2:
  43         $data["numberOfGlyphs"] = $font->readUInt16();
  44
  45         $glyphNameIndex = $font->readUInt16Many($data["numberOfGlyphs"]);
  46
  47         $data["glyphNameIndex"] = $glyphNameIndex;
  48
  49         $namesPascal = array();
  50         for ($i = 0; $i < $data["numberOfGlyphs"]; $i++) {
  51           $len           = $font->readUInt8();
  52           $namesPascal[] = $font->read($len);
  53         }
  54
  55         foreach ($glyphNameIndex as $g => $index) {
  56           if ($index < 258) {
  57             $names[$g] = File::$macCharNames[$index];
  58           }
  59           else {
  60             $names[$g] = $namesPascal[$index - 258];
  61           }
  62         }
  63
  64         break;
  65
  66       case 2.5:
  67         // TODO
  68         break;
  69
  70       case 3:
  71         // nothing
  72         break;
  73
  74       case 4:
  75         // TODO
  76         break;
  77     }
  78
  79     $data["names"] = $names;
  80
  81     $this->data = $data;
  82   }
  83
  84   function _encode() {
  85     $font           = $this->getFont();
  86     $data           = $this->data;
  87     $data["format"] = 3;
  88
  89     $length = $font->pack($this->def, $data);
  90
  91     return $length;
  92     /*
  93     $subset = $font->getSubset();
  94
  95     switch($data["format"]) {
  96       case 1:
  97         // nothing to do
  98       break;
  99
 100       case 2:
 101         $old_names = $data["names"];
 102
 103         $glyphNameIndex = range(0, count($subset));
 104
 105         $names = array();
 106         foreach($subset as $gid) {
 107           $names[] = $data["names"][$data["glyphNameIndex"][$gid]];
 108         }
 109
 110         $numberOfGlyphs = count($names);
 111         $length += $font->writeUInt16($numberOfGlyphs);
 112
 113         foreach($glyphNameIndex as $gni) {
 114           $length += $font->writeUInt16($gni);
 115         }
 116
 117         //$names = array_slice($names, 257);
 118         foreach($names as $name) {
 119           $len = strlen($name);
 120           $length += $font->writeUInt8($len);
 121           $length += $font->write($name, $len);
 122         }
 123
 124       break;
 125
 126       case 2.5:
 127         // TODO
 128       break;
 129
 130       case 3:
 131         // nothing
 132       break;
 133
 134       case 4:
 135         // TODO
 136       break;
 137     }
 138
 139     return $length;*/
 140   }
 141 }