protected function TextimageFontsHandlerTextimage::getData in Textimage 7.3

Helper - Return the font information.

Scans the font file to return tags information.

Parameters

string $uri: the URI of the font file.

Return value

array an associative array with the following keys: 'copyright' => Copyright information 'family' => Font family 'subfamily' => Font subfamily 'name' => Font name 'file' => Font file URI

2 calls to TextimageFontsHandlerTextimage::getData()

TextimageFontsHandlerTextimage::getList in classes/font_handlers/textimage.inc

Return an array of fonts.

TextimageFontsHandlerTextimage::getUri in classes/font_handlers/textimage.inc

Return the URI of a font file, given its name.

File

classes/font_handlers/textimage.inc, line 90

Textimage - Fonts handler class for Textimage.

Class

TextimageFontsHandlerTextimage

Fonts handler for Textimage.

Code

protected function getData($uri) {
  $realpath = drupal_realpath($uri);
  $fd = fopen($realpath, "r");
  $text = fread($fd, filesize($realpath));
  fclose($fd);
  $number_of_tabs = $this
    ->dec2hex(ord($text[4])) . $this
    ->dec2hex(ord($text[5]));
  for ($i = 0; $i < hexdec($number_of_tabs); $i++) {
    $tag = $text[12 + $i * 16] . $text[12 + $i * 16 + 1] . $text[12 + $i * 16 + 2] . $text[12 + $i * 16 + 3];
    if ($tag == "name") {
      $offset_name_table_hex = $this
        ->dec2hex(ord($text[12 + $i * 16 + 8])) . $this
        ->dec2hex(ord($text[12 + $i * 16 + 8 + 1])) . $this
        ->dec2hex(ord($text[12 + $i * 16 + 8 + 2])) . $this
        ->dec2hex(ord($text[12 + $i * 16 + 8 + 3]));
      $offset_name_table_dec = hexdec($offset_name_table_hex);
      $offset_storage_hex = $this
        ->dec2hex(ord($text[$offset_name_table_dec + 4])) . $this
        ->dec2hex(ord($text[$offset_name_table_dec + 5]));
      $offset_storage_dec = hexdec($offset_storage_hex);
      $number_name_records_hex = $this
        ->dec2hex(ord($text[$offset_name_table_dec + 2])) . $this
        ->dec2hex(ord($text[$offset_name_table_dec + 3]));
      $number_name_records_dec = hexdec($number_name_records_hex);
      break;
    }
  }
  $storage_dec = $offset_storage_dec + $offset_name_table_dec;
  $font = array(
    'copyright' => '',
    'family' => '',
    'subfamily' => '',
    'name' => '',
    'file' => $uri,
  );
  for ($j = 0; $j < $number_name_records_dec; $j++) {

    // Platform ID (hex) would be:
    // dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 0])) .
    // dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 1]))
    $name_id_hex = $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 6])) . $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 7]));
    $name_id_dec = hexdec($name_id_hex);
    $string_length_hex = $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 8])) . $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 9]));
    $string_length_dec = hexdec($string_length_hex);
    $string_offset_hex = $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 10])) . $this
      ->dec2hex(ord($text[$offset_name_table_dec + 6 + $j * 12 + 11]));
    $string_offset_dec = hexdec($string_offset_hex);
    if ($name_id_dec == 0 && empty($font['copyright'])) {
      for ($l = 0; $l < $string_length_dec; $l++) {
        if (ord($text[$storage_dec + $string_offset_dec + $l]) >= 32) {
          $font['copyright'] .= $text[$storage_dec + $string_offset_dec + $l];
        }
      }
    }
    if ($name_id_dec == 1 && empty($font['family'])) {
      for ($l = 0; $l < $string_length_dec; $l++) {
        if (ord($text[$storage_dec + $string_offset_dec + $l]) >= 32) {
          $font['family'] .= $text[$storage_dec + $string_offset_dec + $l];
        }
      }
    }
    if ($name_id_dec == 2 && empty($font['subfamily'])) {
      for ($l = 0; $l < $string_length_dec; $l++) {
        if (ord($text[$storage_dec + $string_offset_dec + $l]) >= 32) {
          $font['subfamily'] .= $text[$storage_dec + $string_offset_dec + $l];
        }
      }
    }
    if ($name_id_dec == 4 && empty($font['name'])) {
      for ($l = 0; $l < $string_length_dec; $l++) {
        if (ord($text[$storage_dec + $string_offset_dec + $l]) >= 32) {
          $font['name'] .= $text[$storage_dec + $string_offset_dec + $l];
        }
      }
    }
    if ($font['copyright'] != "" && $font['family'] != "" && $font['subfamily'] != "" && $font['name'] != "") {
      break;
    }
  }
  return $font;
}