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   1  <?php
   2  //============================================================+
   3  // File name   : tcpdf_static.php
   4  // Version     : 1.1.3
   5  // Begin       : 2002-08-03
   6  // Last Update : 2015-04-28
   7  // Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com
   8  // License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
   9  // -------------------------------------------------------------------
  10  // Copyright (C) 2002-2015 Nicola Asuni - Tecnick.com LTD
  11  //
  12  // This file is part of TCPDF software library.
  13  //
  14  // TCPDF is free software: you can redistribute it and/or modify it
  15  // under the terms of the GNU Lesser General Public License as
  16  // published by the Free Software Foundation, either version 3 of the
  17  // License, or (at your option) any later version.
  18  //
  19  // TCPDF is distributed in the hope that it will be useful, but
  20  // WITHOUT ANY WARRANTY; without even the implied warranty of
  21  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22  // See the GNU Lesser General Public License for more details.
  23  //
  24  // You should have received a copy of the License
  25  // along with TCPDF. If not, see
  26  // <http://www.tecnick.com/pagefiles/tcpdf/LICENSE.TXT>.
  27  //
  28  // See LICENSE.TXT file for more information.
  29  // -------------------------------------------------------------------
  30  //
  31  // Description :
  32  //   Static methods used by the TCPDF class.
  33  //
  34  //============================================================+
  35  
  36  /**
  37   * @file
  38   * This is a PHP class that contains static methods for the TCPDF class.<br>
  39   * @package com.tecnick.tcpdf
  40   * @author Nicola Asuni
  41   * @version 1.1.2
  42   */
  43  
  44  /**
  45   * @class TCPDF_STATIC
  46   * Static methods used by the TCPDF class.
  47   * @package com.tecnick.tcpdf
  48   * @brief PHP class for generating PDF documents without requiring external extensions.
  49   * @version 1.1.1
  50   * @author Nicola Asuni - info@tecnick.com
  51   */
  52  class TCPDF_STATIC {
  53  
  54      /**
  55       * Current TCPDF version.
  56       * @private static
  57       */
  58      private static $tcpdf_version = '6.2.12';
  59  
  60      /**
  61       * String alias for total number of pages.
  62       * @public static
  63       */
  64      public static $alias_tot_pages = '{:ptp:}';
  65  
  66      /**
  67       * String alias for page number.
  68       * @public static
  69       */
  70      public static $alias_num_page = '{:pnp:}';
  71  
  72      /**
  73       * String alias for total number of pages in a single group.
  74       * @public static
  75       */
  76      public static $alias_group_tot_pages = '{:ptg:}';
  77  
  78      /**
  79       * String alias for group page number.
  80       * @public static
  81       */
  82      public static $alias_group_num_page = '{:png:}';
  83  
  84      /**
  85       * String alias for right shift compensation used to correctly align page numbers on the right.
  86       * @public static
  87       */
  88      public static $alias_right_shift = '{rsc:';
  89  
  90      /**
  91       * Encryption padding string.
  92       * @public static
  93       */
  94      public static $enc_padding = "\x28\xBF\x4E\x5E\x4E\x75\x8A\x41\x64\x00\x4E\x56\xFF\xFA\x01\x08\x2E\x2E\x00\xB6\xD0\x68\x3E\x80\x2F\x0C\xA9\xFE\x64\x53\x69\x7A";
  95  
  96      /**
  97       * ByteRange placemark used during digital signature process.
  98       * @since 4.6.028 (2009-08-25)
  99       * @public static
 100       */
 101      public static $byterange_string = '/ByteRange[0 ********** ********** **********]';
 102  
 103      /**
 104       * Array page boxes names
 105       * @public static
 106       */
 107      public static $pageboxes = array('MediaBox', 'CropBox', 'BleedBox', 'TrimBox', 'ArtBox');
 108  
 109      // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 110  
 111      /**
 112       * Return the current TCPDF version.
 113       * @return TCPDF version string
 114       * @since 5.9.012 (2010-11-10)
 115       * @public static
 116       */
 117  	public static function getTCPDFVersion() {
 118          return self::$tcpdf_version;
 119      }
 120  
 121      /**
 122       * Return the current TCPDF producer.
 123       * @return TCPDF producer string
 124       * @since 6.0.000 (2013-03-16)
 125       * @public static
 126       */
 127  	public static function getTCPDFProducer() {
 128          return "\x54\x43\x50\x44\x46\x20".self::getTCPDFVersion()."\x20\x28\x68\x74\x74\x70\x3a\x2f\x2f\x77\x77\x77\x2e\x74\x63\x70\x64\x66\x2e\x6f\x72\x67\x29";
 129      }
 130  
 131      /**
 132       * Sets the current active configuration setting of magic_quotes_runtime (if the set_magic_quotes_runtime function exist)
 133       * @param $mqr (boolean) FALSE for off, TRUE for on.
 134       * @since 4.6.025 (2009-08-17)
 135       * @public static
 136       */
 137  	public static function set_mqr($mqr) {
 138          if (!defined('PHP_VERSION_ID')) {
 139              $version = PHP_VERSION;
 140              define('PHP_VERSION_ID', (($version[0] * 10000) + ($version[2] * 100) + $version[4]));
 141          }
 142          if (PHP_VERSION_ID < 50300) {
 143              @set_magic_quotes_runtime($mqr);
 144          }
 145      }
 146  
 147      /**
 148       * Gets the current active configuration setting of magic_quotes_runtime (if the get_magic_quotes_runtime function exist)
 149       * @return Returns 0 if magic quotes runtime is off or get_magic_quotes_runtime doesn't exist, 1 otherwise.
 150       * @since 4.6.025 (2009-08-17)
 151       * @public static
 152       */
 153  	public static function get_mqr() {
 154          if (!defined('PHP_VERSION_ID')) {
 155              $version = PHP_VERSION;
 156              define('PHP_VERSION_ID', (($version[0] * 10000) + ($version[2] * 100) + $version[4]));
 157          }
 158          if (PHP_VERSION_ID < 50300) {
 159              return @get_magic_quotes_runtime();
 160          }
 161          return 0;
 162      }
 163  
 164      /**
 165       * Check if the URL exist.
 166       * @param $url (string) URL to check.
 167       * @return Boolean true if the URl exist, false otherwise.
 168       * @since 5.9.204 (2013-01-28)
 169       * @public static
 170       */
 171  	public static function isValidURL($url) {
 172          $headers = @get_headers($url);
 173          return (strpos($headers[0], '200') !== false);
 174      }
 175  
 176      /**
 177       * Removes SHY characters from text.
 178       * Unicode Data:<ul>
 179       * <li>Name : SOFT HYPHEN, commonly abbreviated as SHY</li>
 180       * <li>HTML Entity (decimal): "&amp;#173;"</li>
 181       * <li>HTML Entity (hex): "&amp;#xad;"</li>
 182       * <li>HTML Entity (named): "&amp;shy;"</li>
 183       * <li>How to type in Microsoft Windows: [Alt +00AD] or [Alt 0173]</li>
 184       * <li>UTF-8 (hex): 0xC2 0xAD (c2ad)</li>
 185       * <li>UTF-8 character: chr(194).chr(173)</li>
 186       * </ul>
 187       * @param $txt (string) input string
 188       * @param $unicode (boolean) True if we are in unicode mode, false otherwise.
 189       * @return string without SHY characters.
 190       * @since (4.5.019) 2009-02-28
 191       * @public static
 192       */
 193  	public static function removeSHY($txt='', $unicode=true) {
 194          $txt = preg_replace('/([\\xc2]{1}[\\xad]{1})/', '', $txt);
 195          if (!$unicode) {
 196              $txt = preg_replace('/([\\xad]{1})/', '', $txt);
 197          }
 198          return $txt;
 199      }
 200  
 201  
 202      /**
 203       * Get the border mode accounting for multicell position (opens bottom side of multicell crossing pages)
 204       * @param $brd (mixed) Indicates if borders must be drawn around the cell block. The value can be a number:<ul><li>0: no border (default)</li><li>1: frame</li></ul>or a string containing some or all of the following characters (in any order):<ul><li>L: left</li><li>T: top</li><li>R: right</li><li>B: bottom</li></ul> or an array of line styles for each border group: array('LTRB' => array('width' => 2, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0)))
 205       * @param $position (string) multicell position: 'start', 'middle', 'end'
 206       * @param $opencell (boolean) True when the cell is left open at the page bottom, false otherwise.
 207       * @return border mode array
 208       * @since 4.4.002 (2008-12-09)
 209       * @public static
 210       */
 211  	public static function getBorderMode($brd, $position='start', $opencell=true) {
 212          if ((!$opencell) OR empty($brd)) {
 213              return $brd;
 214          }
 215          if ($brd == 1) {
 216              $brd = 'LTRB';
 217          }
 218          if (is_string($brd)) {
 219              // convert string to array
 220              $slen = strlen($brd);
 221              $newbrd = array();
 222              for ($i = 0; $i < $slen; ++$i) {
 223                  $newbrd[$brd[$i]] = array('cap' => 'square', 'join' => 'miter');
 224              }
 225              $brd = $newbrd;
 226          }
 227          foreach ($brd as $border => $style) {
 228              switch ($position) {
 229                  case 'start': {
 230                      if (strpos($border, 'B') !== false) {
 231                          // remove bottom line
 232                          $newkey = str_replace('B', '', $border);
 233                          if (strlen($newkey) > 0) {
 234                              $brd[$newkey] = $style;
 235                          }
 236                          unset($brd[$border]);
 237                      }
 238                      break;
 239                  }
 240                  case 'middle': {
 241                      if (strpos($border, 'B') !== false) {
 242                          // remove bottom line
 243                          $newkey = str_replace('B', '', $border);
 244                          if (strlen($newkey) > 0) {
 245                              $brd[$newkey] = $style;
 246                          }
 247                          unset($brd[$border]);
 248                          $border = $newkey;
 249                      }
 250                      if (strpos($border, 'T') !== false) {
 251                          // remove bottom line
 252                          $newkey = str_replace('T', '', $border);
 253                          if (strlen($newkey) > 0) {
 254                              $brd[$newkey] = $style;
 255                          }
 256                          unset($brd[$border]);
 257                      }
 258                      break;
 259                  }
 260                  case 'end': {
 261                      if (strpos($border, 'T') !== false) {
 262                          // remove bottom line
 263                          $newkey = str_replace('T', '', $border);
 264                          if (strlen($newkey) > 0) {
 265                              $brd[$newkey] = $style;
 266                          }
 267                          unset($brd[$border]);
 268                      }
 269                      break;
 270                  }
 271              }
 272          }
 273          return $brd;
 274      }
 275  
 276      /**
 277       * Determine whether a string is empty.
 278       * @param $str (string) string to be checked
 279       * @return boolean true if string is empty
 280       * @since 4.5.044 (2009-04-16)
 281       * @public static
 282       */
 283  	public static function empty_string($str) {
 284          return (is_null($str) OR (is_string($str) AND (strlen($str) == 0)));
 285      }
 286  
 287      /**
 288       * Returns a temporary filename for caching object on filesystem.
 289       * @param $type (string) Type of file (name of the subdir on the tcpdf cache folder).
 290       * @param $file_id (string) TCPDF file_id.
 291       * @return string filename.
 292       * @since 4.5.000 (2008-12-31)
 293       * @public static
 294       */
 295  	public static function getObjFilename($type='tmp', $file_id='') {
 296          return tempnam(K_PATH_CACHE, '__tcpdf_'.$file_id.'_'.$type.'_'.md5(TCPDF_STATIC::getRandomSeed()).'_');
 297      }
 298  
 299      /**
 300       * Add "\" before "\", "(" and ")"
 301       * @param $s (string) string to escape.
 302       * @return string escaped string.
 303       * @public static
 304       */
 305  	public static function _escape($s) {
 306          // the chr(13) substitution fixes the Bugs item #1421290.
 307          return strtr($s, array(')' => '\\)', '(' => '\\(', '\\' => '\\\\', chr(13) => '\r'));
 308      }
 309  
 310      /**
 311      * Escape some special characters (&lt; &gt; &amp;) for XML output.
 312      * @param $str (string) Input string to convert.
 313      * @return converted string
 314      * @since 5.9.121 (2011-09-28)
 315       * @public static
 316       */
 317  	public static function _escapeXML($str) {
 318          $replaceTable = array("\0" => '', '&' => '&amp;', '<' => '&lt;', '>' => '&gt;');
 319          $str = strtr($str, $replaceTable);
 320          return $str;
 321      }
 322  
 323      /**
 324       * Creates a copy of a class object
 325       * @param $object (object) class object to be cloned
 326       * @return cloned object
 327       * @since 4.5.029 (2009-03-19)
 328       * @public static
 329       */
 330  	public static function objclone($object) {
 331          if (($object instanceof Imagick) AND (version_compare(phpversion('imagick'), '3.0.1') !== 1)) {
 332              // on the versions after 3.0.1 the clone() method was deprecated in favour of clone keyword
 333              return @$object->clone();
 334          }
 335          return @clone($object);
 336      }
 337  
 338      /**
 339       * Output input data and compress it if possible.
 340       * @param $data (string) Data to output.
 341       * @param $length (int) Data length in bytes.
 342       * @since 5.9.086
 343       * @public static
 344       */
 345  	public static function sendOutputData($data, $length) {
 346          if (!isset($_SERVER['HTTP_ACCEPT_ENCODING']) OR empty($_SERVER['HTTP_ACCEPT_ENCODING'])) {
 347              // the content length may vary if the server is using compression
 348              header('Content-Length: '.$length);
 349          }
 350          echo $data;
 351      }
 352  
 353      /**
 354       * Replace page number aliases with number.
 355       * @param $page (string) Page content.
 356       * @param $replace (array) Array of replacements (array keys are replacement strings, values are alias arrays).
 357       * @param $diff (int) If passed, this will be set to the total char number difference between alias and replacements.
 358       * @return replaced page content and updated $diff parameter as array.
 359       * @public static
 360       */
 361  	public static function replacePageNumAliases($page, $replace, $diff=0) {
 362          foreach ($replace as $rep) {
 363              foreach ($rep[3] as $a) {
 364                  if (strpos($page, $a) !== false) {
 365                      $page = str_replace($a, $rep[0], $page);
 366                      $diff += ($rep[2] - $rep[1]);
 367                  }
 368              }
 369          }
 370          return array($page, $diff);
 371      }
 372  
 373      /**
 374       * Returns timestamp in seconds from formatted date-time.
 375       * @param $date (string) Formatted date-time.
 376       * @return int seconds.
 377       * @since 5.9.152 (2012-03-23)
 378       * @public static
 379       */
 380  	public static function getTimestamp($date) {
 381          if (($date[0] == 'D') AND ($date[1] == ':')) {
 382              // remove date prefix if present
 383              $date = substr($date, 2);
 384          }
 385          return strtotime($date);
 386      }
 387  
 388      /**
 389       * Returns a formatted date-time.
 390       * @param $time (int) Time in seconds.
 391       * @return string escaped date string.
 392       * @since 5.9.152 (2012-03-23)
 393       * @public static
 394       */
 395  	public static function getFormattedDate($time) {
 396          return substr_replace(date('YmdHisO', intval($time)), '\'', (0 - 2), 0).'\'';
 397      }
 398  
 399      /**
 400       * Returns a string containing random data to be used as a seed for encryption methods.
 401       * @param $seed (string) starting seed value
 402       * @return string containing random data
 403       * @author Nicola Asuni
 404       * @since 5.9.006 (2010-10-19)
 405       * @public static
 406       */
 407  	public static function getRandomSeed($seed='') {
 408          $rnd = uniqid(rand().microtime(true), true);
 409          if (function_exists('posix_getpid')) {
 410              $rnd .= posix_getpid();
 411          }
 412          if (function_exists('openssl_random_pseudo_bytes') AND (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN')) {
 413              // this is not used on windows systems because it is very slow for a know bug
 414              $rnd .= openssl_random_pseudo_bytes(512);
 415          } else {
 416              for ($i = 0; $i < 23; ++$i) {
 417                  $rnd .= uniqid('', true);
 418              }
 419          }
 420          return $rnd.$seed.__FILE__.serialize($_SERVER).microtime(true);
 421      }
 422  
 423      /**
 424       * Encrypts a string using MD5 and returns it's value as a binary string.
 425       * @param $str (string) input string
 426       * @return String MD5 encrypted binary string
 427       * @since 2.0.000 (2008-01-02)
 428       * @public static
 429       */
 430  	public static function _md5_16($str) {
 431          return pack('H*', md5($str));
 432      }
 433  
 434      /**
 435       * Returns the input text exrypted using AES algorithm and the specified key.
 436       * This method requires openssl or mcrypt. Text is padded to 16bytes blocks
 437       * @param $key (string) encryption key
 438       * @param $text (String) input text to be encrypted
 439       * @return String encrypted text
 440       * @author Nicola Asuni
 441       * @since 5.0.005 (2010-05-11)
 442       * @public static
 443       */
 444  	public static function _AES($key, $text) {
 445          // padding (RFC 2898, PKCS #5: Password-Based Cryptography Specification Version 2.0)
 446          $padding = 16 - (strlen($text) % 16);
 447          $text .= str_repeat(chr($padding), $padding);
 448          if (extension_loaded('openssl')) {
 449              $iv = openssl_random_pseudo_bytes (openssl_cipher_iv_length('aes-256-cbc'));
 450              $text = openssl_encrypt($text, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv);
 451              return $iv.substr($text, 0, -16);
 452          }
 453          $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_RAND);
 454          $text = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $text, MCRYPT_MODE_CBC, $iv);
 455          $text = $iv.$text;
 456          return $text;
 457      }
 458  
 459      /**
 460       * Returns the input text exrypted using AES algorithm and the specified key.
 461       * This method requires openssl or mcrypt. Text is not padded
 462       * @param $key (string) encryption key
 463       * @param $text (String) input text to be encrypted
 464       * @return String encrypted text
 465       * @author Nicola Asuni
 466       * @since TODO
 467       * @public static
 468       */
 469  	public static function _AESnopad($key, $text) {
 470          if (extension_loaded('openssl')) {
 471              $iv = str_repeat("\x00", openssl_cipher_iv_length('aes-256-cbc'));
 472              $text = openssl_encrypt($text, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv);
 473              return substr($text, 0, -16);
 474          }
 475          $iv = str_repeat("\x00", mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC));
 476          $text = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $text, MCRYPT_MODE_CBC, $iv);
 477          return $text;
 478      }
 479  
 480      /**
 481       * Returns the input text encrypted using RC4 algorithm and the specified key.
 482       * RC4 is the standard encryption algorithm used in PDF format
 483       * @param $key (string) Encryption key.
 484       * @param $text (String) Input text to be encrypted.
 485       * @param $last_enc_key (String) Reference to last RC4 key encrypted.
 486       * @param $last_enc_key_c (String) Reference to last RC4 computed key.
 487       * @return String encrypted text
 488       * @since 2.0.000 (2008-01-02)
 489       * @author Klemen Vodopivec, Nicola Asuni
 490       * @public static
 491       */
 492  	public static function _RC4($key, $text, &$last_enc_key, &$last_enc_key_c) {
 493          if (function_exists('mcrypt_encrypt') AND ($out = @mcrypt_encrypt(MCRYPT_ARCFOUR, $key, $text, MCRYPT_MODE_STREAM, ''))) {
 494              // try to use mcrypt function if exist
 495              return $out;
 496          }
 497          if ($last_enc_key != $key) {
 498              $k = str_repeat($key, ((256 / strlen($key)) + 1));
 499              $rc4 = range(0, 255);
 500              $j = 0;
 501              for ($i = 0; $i < 256; ++$i) {
 502                  $t = $rc4[$i];
 503                  $j = ($j + $t + ord($k[$i])) % 256;
 504                  $rc4[$i] = $rc4[$j];
 505                  $rc4[$j] = $t;
 506              }
 507              $last_enc_key = $key;
 508              $last_enc_key_c = $rc4;
 509          } else {
 510              $rc4 = $last_enc_key_c;
 511          }
 512          $len = strlen($text);
 513          $a = 0;
 514          $b = 0;
 515          $out = '';
 516          for ($i = 0; $i < $len; ++$i) {
 517              $a = ($a + 1) % 256;
 518              $t = $rc4[$a];
 519              $b = ($b + $t) % 256;
 520              $rc4[$a] = $rc4[$b];
 521              $rc4[$b] = $t;
 522              $k = $rc4[($rc4[$a] + $rc4[$b]) % 256];
 523              $out .= chr(ord($text[$i]) ^ $k);
 524          }
 525          return $out;
 526      }
 527  
 528      /**
 529       * Return the permission code used on encryption (P value).
 530       * @param $permissions (Array) the set of permissions (specify the ones you want to block).
 531       * @param $mode (int) encryption strength: 0 = RC4 40 bit; 1 = RC4 128 bit; 2 = AES 128 bit; 3 = AES 256 bit.
 532       * @since 5.0.005 (2010-05-12)
 533       * @author Nicola Asuni
 534       * @public static
 535       */
 536  	public static function getUserPermissionCode($permissions, $mode=0) {
 537          $options = array(
 538              'owner' => 2, // bit 2 -- inverted logic: cleared by default
 539              'print' => 4, // bit 3
 540              'modify' => 8, // bit 4
 541              'copy' => 16, // bit 5
 542              'annot-forms' => 32, // bit 6
 543              'fill-forms' => 256, // bit 9
 544              'extract' => 512, // bit 10
 545              'assemble' => 1024,// bit 11
 546              'print-high' => 2048 // bit 12
 547              );
 548          $protection = 2147422012; // 32 bit: (01111111 11111111 00001111 00111100)
 549          foreach ($permissions as $permission) {
 550              if (isset($options[$permission])) {
 551                  if (($mode > 0) OR ($options[$permission] <= 32)) {
 552                      // set only valid permissions
 553                      if ($options[$permission] == 2) {
 554                          // the logic for bit 2 is inverted (cleared by default)
 555                          $protection += $options[$permission];
 556                      } else {
 557                          $protection -= $options[$permission];
 558                      }
 559                  }
 560              }
 561          }
 562          return $protection;
 563      }
 564  
 565      /**
 566       * Convert hexadecimal string to string
 567       * @param $bs (string) byte-string to convert
 568       * @return String
 569       * @since 5.0.005 (2010-05-12)
 570       * @author Nicola Asuni
 571       * @public static
 572       */
 573  	public static function convertHexStringToString($bs) {
 574          $string = ''; // string to be returned
 575          $bslength = strlen($bs);
 576          if (($bslength % 2) != 0) {
 577              // padding
 578              $bs .= '0';
 579              ++$bslength;
 580          }
 581          for ($i = 0; $i < $bslength; $i += 2) {
 582              $string .= chr(hexdec($bs[$i].$bs[($i + 1)]));
 583          }
 584          return $string;
 585      }
 586  
 587      /**
 588       * Convert string to hexadecimal string (byte string)
 589       * @param $s (string) string to convert
 590       * @return byte string
 591       * @since 5.0.010 (2010-05-17)
 592       * @author Nicola Asuni
 593       * @public static
 594       */
 595  	public static function convertStringToHexString($s) {
 596          $bs = '';
 597          $chars = preg_split('//', $s, -1, PREG_SPLIT_NO_EMPTY);
 598          foreach ($chars as $c) {
 599              $bs .= sprintf('%02s', dechex(ord($c)));
 600          }
 601          return $bs;
 602      }
 603  
 604      /**
 605       * Convert encryption P value to a string of bytes, low-order byte first.
 606       * @param $protection (string) 32bit encryption permission value (P value)
 607       * @return String
 608       * @since 5.0.005 (2010-05-12)
 609       * @author Nicola Asuni
 610       * @public static
 611       */
 612  	public static function getEncPermissionsString($protection) {
 613          $binprot = sprintf('%032b', $protection);
 614          $str = chr(bindec(substr($binprot, 24, 8)));
 615          $str .= chr(bindec(substr($binprot, 16, 8)));
 616          $str .= chr(bindec(substr($binprot, 8, 8)));
 617          $str .= chr(bindec(substr($binprot, 0, 8)));
 618          return $str;
 619      }
 620  
 621      /**
 622       * Encode a name object.
 623       * @param $name (string) Name object to encode.
 624       * @return (string) Encoded name object.
 625       * @author Nicola Asuni
 626       * @since 5.9.097 (2011-06-23)
 627       * @public static
 628       */
 629  	public static function encodeNameObject($name) {
 630          $escname = '';
 631          $length = strlen($name);
 632          for ($i = 0; $i < $length; ++$i) {
 633              $chr = $name[$i];
 634              if (preg_match('/[0-9a-zA-Z#_=-]/', $chr) == 1) {
 635                  $escname .= $chr;
 636              } else {
 637                  $escname .= sprintf('#%02X', ord($chr));
 638              }
 639          }
 640          return $escname;
 641      }
 642  
 643      /**
 644       * Convert JavaScript form fields properties array to Annotation Properties array.
 645       * @param $prop (array) javascript field properties. Possible values are described on official Javascript for Acrobat API reference.
 646       * @param $spot_colors (array) Reference to spot colors array.
 647       * @param $rtl (boolean) True if in Right-To-Left text direction mode, false otherwise.
 648       * @return array of annotation properties
 649       * @author Nicola Asuni
 650       * @since 4.8.000 (2009-09-06)
 651       * @public static
 652       */
 653  	public static function getAnnotOptFromJSProp($prop, &$spot_colors, $rtl=false) {
 654          if (isset($prop['aopt']) AND is_array($prop['aopt'])) {
 655              // the annotation options area lready defined
 656              return $prop['aopt'];
 657          }
 658          $opt = array(); // value to be returned
 659          // alignment: Controls how the text is laid out within the text field.
 660          if (isset($prop['alignment'])) {
 661              switch ($prop['alignment']) {
 662                  case 'left': {
 663                      $opt['q'] = 0;
 664                      break;
 665                  }
 666                  case 'center': {
 667                      $opt['q'] = 1;
 668                      break;
 669                  }
 670                  case 'right': {
 671                      $opt['q'] = 2;
 672                      break;
 673                  }
 674                  default: {
 675                      $opt['q'] = ($rtl)?2:0;
 676                      break;
 677                  }
 678              }
 679          }
 680          // lineWidth: Specifies the thickness of the border when stroking the perimeter of a field's rectangle.
 681          if (isset($prop['lineWidth'])) {
 682              $linewidth = intval($prop['lineWidth']);
 683          } else {
 684              $linewidth = 1;
 685          }
 686          // borderStyle: The border style for a field.
 687          if (isset($prop['borderStyle'])) {
 688              switch ($prop['borderStyle']) {
 689                  case 'border.d':
 690                  case 'dashed': {
 691                      $opt['border'] = array(0, 0, $linewidth, array(3, 2));
 692                      $opt['bs'] = array('w'=>$linewidth, 's'=>'D', 'd'=>array(3, 2));
 693                      break;
 694                  }
 695                  case 'border.b':
 696                  case 'beveled': {
 697                      $opt['border'] = array(0, 0, $linewidth);
 698                      $opt['bs'] = array('w'=>$linewidth, 's'=>'B');
 699                      break;
 700                  }
 701                  case 'border.i':
 702                  case 'inset': {
 703                      $opt['border'] = array(0, 0, $linewidth);
 704                      $opt['bs'] = array('w'=>$linewidth, 's'=>'I');
 705                      break;
 706                  }
 707                  case 'border.u':
 708                  case 'underline': {
 709                      $opt['border'] = array(0, 0, $linewidth);
 710                      $opt['bs'] = array('w'=>$linewidth, 's'=>'U');
 711                      break;
 712                  }
 713                  case 'border.s':
 714                  case 'solid': {
 715                      $opt['border'] = array(0, 0, $linewidth);
 716                      $opt['bs'] = array('w'=>$linewidth, 's'=>'S');
 717                      break;
 718                  }
 719                  default: {
 720                      break;
 721                  }
 722              }
 723          }
 724          if (isset($prop['border']) AND is_array($prop['border'])) {
 725              $opt['border'] = $prop['border'];
 726          }
 727          if (!isset($opt['mk'])) {
 728              $opt['mk'] = array();
 729          }
 730          if (!isset($opt['mk']['if'])) {
 731              $opt['mk']['if'] = array();
 732          }
 733          $opt['mk']['if']['a'] = array(0.5, 0.5);
 734          // buttonAlignX: Controls how space is distributed from the left of the button face with respect to the icon.
 735          if (isset($prop['buttonAlignX'])) {
 736              $opt['mk']['if']['a'][0] = $prop['buttonAlignX'];
 737          }
 738          // buttonAlignY: Controls how unused space is distributed from the bottom of the button face with respect to the icon.
 739          if (isset($prop['buttonAlignY'])) {
 740              $opt['mk']['if']['a'][1] = $prop['buttonAlignY'];
 741          }
 742          // buttonFitBounds: If true, the extent to which the icon may be scaled is set to the bounds of the button field.
 743          if (isset($prop['buttonFitBounds']) AND ($prop['buttonFitBounds'] == 'true')) {
 744              $opt['mk']['if']['fb'] = true;
 745          }
 746          // buttonScaleHow: Controls how the icon is scaled (if necessary) to fit inside the button face.
 747          if (isset($prop['buttonScaleHow'])) {
 748              switch ($prop['buttonScaleHow']) {
 749                  case 'scaleHow.proportional': {
 750                      $opt['mk']['if']['s'] = 'P';
 751                      break;
 752                  }
 753                  case 'scaleHow.anamorphic': {
 754                      $opt['mk']['if']['s'] = 'A';
 755                      break;
 756                  }
 757              }
 758          }
 759          // buttonScaleWhen: Controls when an icon is scaled to fit inside the button face.
 760          if (isset($prop['buttonScaleWhen'])) {
 761              switch ($prop['buttonScaleWhen']) {
 762                  case 'scaleWhen.always': {
 763                      $opt['mk']['if']['sw'] = 'A';
 764                      break;
 765                  }
 766                  case 'scaleWhen.never': {
 767                      $opt['mk']['if']['sw'] = 'N';
 768                      break;
 769                  }
 770                  case 'scaleWhen.tooBig': {
 771                      $opt['mk']['if']['sw'] = 'B';
 772                      break;
 773                  }
 774                  case 'scaleWhen.tooSmall': {
 775                      $opt['mk']['if']['sw'] = 'S';
 776                      break;
 777                  }
 778              }
 779          }
 780          // buttonPosition: Controls how the text and the icon of the button are positioned with respect to each other within the button face.
 781          if (isset($prop['buttonPosition'])) {
 782              switch ($prop['buttonPosition']) {
 783                  case 0:
 784                  case 'position.textOnly': {
 785                      $opt['mk']['tp'] = 0;
 786                      break;
 787                  }
 788                  case 1:
 789                  case 'position.iconOnly': {
 790                      $opt['mk']['tp'] = 1;
 791                      break;
 792                  }
 793                  case 2:
 794                  case 'position.iconTextV': {
 795                      $opt['mk']['tp'] = 2;
 796                      break;
 797                  }
 798                  case 3:
 799                  case 'position.textIconV': {
 800                      $opt['mk']['tp'] = 3;
 801                      break;
 802                  }
 803                  case 4:
 804                  case 'position.iconTextH': {
 805                      $opt['mk']['tp'] = 4;
 806                      break;
 807                  }
 808                  case 5:
 809                  case 'position.textIconH': {
 810                      $opt['mk']['tp'] = 5;
 811                      break;
 812                  }
 813                  case 6:
 814                  case 'position.overlay': {
 815                      $opt['mk']['tp'] = 6;
 816                      break;
 817                  }
 818              }
 819          }
 820          // fillColor: Specifies the background color for a field.
 821          if (isset($prop['fillColor'])) {
 822              if (is_array($prop['fillColor'])) {
 823                  $opt['mk']['bg'] = $prop['fillColor'];
 824              } else {
 825                  $opt['mk']['bg'] = TCPDF_COLORS::convertHTMLColorToDec($prop['fillColor'], $spot_colors);
 826              }
 827          }
 828          // strokeColor: Specifies the stroke color for a field that is used to stroke the rectangle of the field with a line as large as the line width.
 829          if (isset($prop['strokeColor'])) {
 830              if (is_array($prop['strokeColor'])) {
 831                  $opt['mk']['bc'] = $prop['strokeColor'];
 832              } else {
 833                  $opt['mk']['bc'] = TCPDF_COLORS::convertHTMLColorToDec($prop['strokeColor'], $spot_colors);
 834              }
 835          }
 836          // rotation: The rotation of a widget in counterclockwise increments.
 837          if (isset($prop['rotation'])) {
 838              $opt['mk']['r'] = $prop['rotation'];
 839          }
 840          // charLimit: Limits the number of characters that a user can type into a text field.
 841          if (isset($prop['charLimit'])) {
 842              $opt['maxlen'] = intval($prop['charLimit']);
 843          }
 844          if (!isset($ff)) {
 845              $ff = 0; // default value
 846          }
 847          // readonly: The read-only characteristic of a field. If a field is read-only, the user can see the field but cannot change it.
 848          if (isset($prop['readonly']) AND ($prop['readonly'] == 'true')) {
 849              $ff += 1 << 0;
 850          }
 851          // required: Specifies whether a field requires a value.
 852          if (isset($prop['required']) AND ($prop['required'] == 'true')) {
 853              $ff += 1 << 1;
 854          }
 855          // multiline: Controls how text is wrapped within the field.
 856          if (isset($prop['multiline']) AND ($prop['multiline'] == 'true')) {
 857              $ff += 1 << 12;
 858          }
 859          // password: Specifies whether the field should display asterisks when data is entered in the field.
 860          if (isset($prop['password']) AND ($prop['password'] == 'true')) {
 861              $ff += 1 << 13;
 862          }
 863          // NoToggleToOff: If set, exactly one radio button shall be selected at all times; selecting the currently selected button has no effect.
 864          if (isset($prop['NoToggleToOff']) AND ($prop['NoToggleToOff'] == 'true')) {
 865              $ff += 1 << 14;
 866          }
 867          // Radio: If set, the field is a set of radio buttons.
 868          if (isset($prop['Radio']) AND ($prop['Radio'] == 'true')) {
 869              $ff += 1 << 15;
 870          }
 871          // Pushbutton: If set, the field is a pushbutton that does not retain a permanent value.
 872          if (isset($prop['Pushbutton']) AND ($prop['Pushbutton'] == 'true')) {
 873              $ff += 1 << 16;
 874          }
 875          // Combo: If set, the field is a combo box; if clear, the field is a list box.
 876          if (isset($prop['Combo']) AND ($prop['Combo'] == 'true')) {
 877              $ff += 1 << 17;
 878          }
 879          // editable: Controls whether a combo box is editable.
 880          if (isset($prop['editable']) AND ($prop['editable'] == 'true')) {
 881              $ff += 1 << 18;
 882          }
 883          // Sort: If set, the field's option items shall be sorted alphabetically.
 884          if (isset($prop['Sort']) AND ($prop['Sort'] == 'true')) {
 885              $ff += 1 << 19;
 886          }
 887          // fileSelect: If true, sets the file-select flag in the Options tab of the text field (Field is Used for File Selection).
 888          if (isset($prop['fileSelect']) AND ($prop['fileSelect'] == 'true')) {
 889              $ff += 1 << 20;
 890          }
 891          // multipleSelection: If true, indicates that a list box allows a multiple selection of items.
 892          if (isset($prop['multipleSelection']) AND ($prop['multipleSelection'] == 'true')) {
 893              $ff += 1 << 21;
 894          }
 895          // doNotSpellCheck: If true, spell checking is not performed on this editable text field.
 896          if (isset($prop['doNotSpellCheck']) AND ($prop['doNotSpellCheck'] == 'true')) {
 897              $ff += 1 << 22;
 898          }
 899          // doNotScroll: If true, the text field does not scroll and the user, therefore, is limited by the rectangular region designed for the field.
 900          if (isset($prop['doNotScroll']) AND ($prop['doNotScroll'] == 'true')) {
 901              $ff += 1 << 23;
 902          }
 903          // comb: If set to true, the field background is drawn as series of boxes (one for each character in the value of the field) and each character of the content is drawn within those boxes. The number of boxes drawn is determined from the charLimit property. It applies only to text fields. The setter will also raise if any of the following field properties are also set multiline, password, and fileSelect. A side-effect of setting this property is that the doNotScroll property is also set.
 904          if (isset($prop['comb']) AND ($prop['comb'] == 'true')) {
 905              $ff += 1 << 24;
 906          }
 907          // radiosInUnison: If false, even if a group of radio buttons have the same name and export value, they behave in a mutually exclusive fashion, like HTML radio buttons.
 908          if (isset($prop['radiosInUnison']) AND ($prop['radiosInUnison'] == 'true')) {
 909              $ff += 1 << 25;
 910          }
 911          // richText: If true, the field allows rich text formatting.
 912          if (isset($prop['richText']) AND ($prop['richText'] == 'true')) {
 913              $ff += 1 << 25;
 914          }
 915          // commitOnSelChange: Controls whether a field value is committed after a selection change.
 916          if (isset($prop['commitOnSelChange']) AND ($prop['commitOnSelChange'] == 'true')) {
 917              $ff += 1 << 26;
 918          }
 919          $opt['ff'] = $ff;
 920          // defaultValue: The default value of a field - that is, the value that the field is set to when the form is reset.
 921          if (isset($prop['defaultValue'])) {
 922              $opt['dv'] = $prop['defaultValue'];
 923          }
 924          $f = 4; // default value for annotation flags
 925          // readonly: The read-only characteristic of a field. If a field is read-only, the user can see the field but cannot change it.
 926          if (isset($prop['readonly']) AND ($prop['readonly'] == 'true')) {
 927              $f += 1 << 6;
 928          }
 929          // display: Controls whether the field is hidden or visible on screen and in print.
 930          if (isset($prop['display'])) {
 931              if ($prop['display'] == 'display.visible') {
 932                  //
 933              } elseif ($prop['display'] == 'display.hidden') {
 934                  $f += 1 << 1;
 935              } elseif ($prop['display'] == 'display.noPrint') {
 936                  $f -= 1 << 2;
 937              } elseif ($prop['display'] == 'display.noView') {
 938                  $f += 1 << 5;
 939              }
 940          }
 941          $opt['f'] = $f;
 942          // currentValueIndices: Reads and writes single or multiple values of a list box or combo box.
 943          if (isset($prop['currentValueIndices']) AND is_array($prop['currentValueIndices'])) {
 944              $opt['i'] = $prop['currentValueIndices'];
 945          }
 946          // value: The value of the field data that the user has entered.
 947          if (isset($prop['value'])) {
 948              if (is_array($prop['value'])) {
 949                  $opt['opt'] = array();
 950                  foreach ($prop['value'] AS $key => $optval) {
 951                      // exportValues: An array of strings representing the export values for the field.
 952                      if (isset($prop['exportValues'][$key])) {
 953                          $opt['opt'][$key] = array($prop['exportValues'][$key], $prop['value'][$key]);
 954                      } else {
 955                          $opt['opt'][$key] = $prop['value'][$key];
 956                      }
 957                  }
 958              } else {
 959                  $opt['v'] = $prop['value'];
 960              }
 961          }
 962          // richValue: This property specifies the text contents and formatting of a rich text field.
 963          if (isset($prop['richValue'])) {
 964              $opt['rv'] = $prop['richValue'];
 965          }
 966          // submitName: If nonempty, used during form submission instead of name. Only applicable if submitting in HTML format (that is, URL-encoded).
 967          if (isset($prop['submitName'])) {
 968              $opt['tm'] = $prop['submitName'];
 969          }
 970          // name: Fully qualified field name.
 971          if (isset($prop['name'])) {
 972              $opt['t'] = $prop['name'];
 973          }
 974          // userName: The user name (short description string) of the field.
 975          if (isset($prop['userName'])) {
 976              $opt['tu'] = $prop['userName'];
 977          }
 978          // highlight: Defines how a button reacts when a user clicks it.
 979          if (isset($prop['highlight'])) {
 980              switch ($prop['highlight']) {
 981                  case 'none':
 982                  case 'highlight.n': {
 983                      $opt['h'] = 'N';
 984                      break;
 985                  }
 986                  case 'invert':
 987                  case 'highlight.i': {
 988                      $opt['h'] = 'i';
 989                      break;
 990                  }
 991                  case 'push':
 992                  case 'highlight.p': {
 993                      $opt['h'] = 'P';
 994                      break;
 995                  }
 996                  case 'outline':
 997                  case 'highlight.o': {
 998                      $opt['h'] = 'O';
 999                      break;
1000                  }
1001              }
1002          }
1003          // Unsupported options:
1004          // - calcOrderIndex: Changes the calculation order of fields in the document.
1005          // - delay: Delays the redrawing of a field's appearance.
1006          // - defaultStyle: This property defines the default style attributes for the form field.
1007          // - style: Allows the user to set the glyph style of a check box or radio button.
1008          // - textColor, textFont, textSize
1009          return $opt;
1010      }
1011  
1012      /**
1013       * Format the page numbers.
1014       * This method can be overriden for custom formats.
1015       * @param $num (int) page number
1016       * @since 4.2.005 (2008-11-06)
1017       * @public static
1018       */
1019  	public static function formatPageNumber($num) {
1020          return number_format((float)$num, 0, '', '.');
1021      }
1022  
1023      /**
1024       * Format the page numbers on the Table Of Content.
1025       * This method can be overriden for custom formats.
1026       * @param $num (int) page number
1027       * @since 4.5.001 (2009-01-04)
1028       * @see addTOC(), addHTMLTOC()
1029       * @public static
1030       */
1031  	public static function formatTOCPageNumber($num) {
1032          return number_format((float)$num, 0, '', '.');
1033      }
1034  
1035      /**
1036       * Extracts the CSS properties from a CSS string.
1037       * @param $cssdata (string) string containing CSS definitions.
1038       * @return An array where the keys are the CSS selectors and the values are the CSS properties.
1039       * @author Nicola Asuni
1040       * @since 5.1.000 (2010-05-25)
1041       * @public static
1042       */
1043  	public static function extractCSSproperties($cssdata) {
1044          if (empty($cssdata)) {
1045              return array();
1046          }
1047          // remove comments
1048          $cssdata = preg_replace('/\/\*[^\*]*\*\//', '', $cssdata);
1049          // remove newlines and multiple spaces
1050          $cssdata = preg_replace('/[\s]+/', ' ', $cssdata);
1051          // remove some spaces
1052          $cssdata = preg_replace('/[\s]*([;:\{\}]{1})[\s]*/', '\\1', $cssdata);
1053          // remove empty blocks
1054          $cssdata = preg_replace('/([^\}\{]+)\{\}/', '', $cssdata);
1055          // replace media type parenthesis
1056          $cssdata = preg_replace('/@media[\s]+([^\{]*)\{/i', '@media \\1§', $cssdata);
1057          $cssdata = preg_replace('/\}\}/si', '}§', $cssdata);
1058          // trim string
1059          $cssdata = trim($cssdata);
1060          // find media blocks (all, braille, embossed, handheld, print, projection, screen, speech, tty, tv)
1061          $cssblocks = array();
1062          $matches = array();
1063          if (preg_match_all('/@media[\s]+([^\§]*)§([^§]*)§/i', $cssdata, $matches) > 0) {
1064              foreach ($matches[1] as $key => $type) {
1065                  $cssblocks[$type] = $matches[2][$key];
1066              }
1067              // remove media blocks
1068              $cssdata = preg_replace('/@media[\s]+([^\§]*)§([^§]*)§/i', '', $cssdata);
1069          }
1070          // keep 'all' and 'print' media, other media types are discarded
1071          if (isset($cssblocks['all']) AND !empty($cssblocks['all'])) {
1072              $cssdata .= $cssblocks['all'];
1073          }
1074          if (isset($cssblocks['print']) AND !empty($cssblocks['print'])) {
1075              $cssdata .= $cssblocks['print'];
1076          }
1077          // reset css blocks array
1078          $cssblocks = array();
1079          $matches = array();
1080          // explode css data string into array
1081          if (substr($cssdata, -1) == '}') {
1082              // remove last parethesis
1083              $cssdata = substr($cssdata, 0, -1);
1084          }
1085          $matches = explode('}', $cssdata);
1086          foreach ($matches as $key => $block) {
1087              // index 0 contains the CSS selector, index 1 contains CSS properties
1088              $cssblocks[$key] = explode('{', $block);
1089              if (!isset($cssblocks[$key][1])) {
1090                  // remove empty definitions
1091                  unset($cssblocks[$key]);
1092              }
1093          }
1094          // split groups of selectors (comma-separated list of selectors)
1095          foreach ($cssblocks as $key => $block) {
1096              if (strpos($block[0], ',') > 0) {
1097                  $selectors = explode(',', $block[0]);
1098                  foreach ($selectors as $sel) {
1099                      $cssblocks[] = array(0 => trim($sel), 1 => $block[1]);
1100                  }
1101                  unset($cssblocks[$key]);
1102              }
1103          }
1104          // covert array to selector => properties
1105          $cssdata = array();
1106          foreach ($cssblocks as $block) {
1107              $selector = $block[0];
1108              // calculate selector's specificity
1109              $matches = array();
1110              $a = 0; // the declaration is not from is a 'style' attribute
1111              $b = intval(preg_match_all('/[\#]/', $selector, $matches)); // number of ID attributes
1112              $c = intval(preg_match_all('/[\[\.]/', $selector, $matches)); // number of other attributes
1113              $c += intval(preg_match_all('/[\:]link|visited|hover|active|focus|target|lang|enabled|disabled|checked|indeterminate|root|nth|first|last|only|empty|contains|not/i', $selector, $matches)); // number of pseudo-classes
1114              $d = intval(preg_match_all('/[\>\+\~\s]{1}[a-zA-Z0-9]+/', ' '.$selector, $matches)); // number of element names
1115              $d += intval(preg_match_all('/[\:][\:]/', $selector, $matches)); // number of pseudo-elements
1116              $specificity = $a.$b.$c.$d;
1117              // add specificity to the beginning of the selector
1118              $cssdata[$specificity.' '.$selector] = $block[1];
1119          }
1120          // sort selectors alphabetically to account for specificity
1121          ksort($cssdata, SORT_STRING);
1122          // return array
1123          return $cssdata;
1124      }
1125  
1126      /**
1127       * Cleanup HTML code (requires HTML Tidy library).
1128       * @param $html (string) htmlcode to fix
1129       * @param $default_css (string) CSS commands to add
1130       * @param $tagvs (array) parameters for setHtmlVSpace method
1131       * @param $tidy_options (array) options for tidy_parse_string function
1132       * @param $tagvspaces (array) Array of vertical spaces for tags.
1133       * @return string XHTML code cleaned up
1134       * @author Nicola Asuni
1135       * @since 5.9.017 (2010-11-16)
1136       * @see setHtmlVSpace()
1137       * @public static
1138       */
1139  	public static function fixHTMLCode($html, $default_css='', $tagvs='', $tidy_options='', &$tagvspaces) {
1140          // configure parameters for HTML Tidy
1141          if ($tidy_options === '') {
1142              $tidy_options = array (
1143                  'clean' => 1,
1144                  'drop-empty-paras' => 0,
1145                  'drop-proprietary-attributes' => 1,
1146                  'fix-backslash' => 1,
1147                  'hide-comments' => 1,
1148                  'join-styles' => 1,
1149                  'lower-literals' => 1,
1150                  'merge-divs' => 1,
1151                  'merge-spans' => 1,
1152                  'output-xhtml' => 1,
1153                  'word-2000' => 1,
1154                  'wrap' => 0,
1155                  'output-bom' => 0,
1156                  //'char-encoding' => 'utf8',
1157                  //'input-encoding' => 'utf8',
1158                  //'output-encoding' => 'utf8'
1159              );
1160          }
1161          // clean up the HTML code
1162          $tidy = tidy_parse_string($html, $tidy_options);
1163          // fix the HTML
1164          $tidy->cleanRepair();
1165          // get the CSS part
1166          $tidy_head = tidy_get_head($tidy);
1167          $css = $tidy_head->value;
1168          $css = preg_replace('/<style([^>]+)>/ims', '<style>', $css);
1169          $css = preg_replace('/<\/style>(.*)<style>/ims', "\n", $css);
1170          $css = str_replace('/*<![CDATA[*/', '', $css);
1171          $css = str_replace('/*]]>*/', '', $css);
1172          preg_match('/<style>(.*)<\/style>/ims', $css, $matches);
1173          if (isset($matches[1])) {
1174              $css = strtolower($matches[1]);
1175          } else {
1176              $css = '';
1177          }
1178          // include default css
1179          $css = '<style>'.$default_css.$css.'</style>';
1180          // get the body part
1181          $tidy_body = tidy_get_body($tidy);
1182          $html = $tidy_body->value;
1183          // fix some self-closing tags
1184          $html = str_replace('<br>', '<br />', $html);
1185          // remove some empty tag blocks
1186          $html = preg_replace('/<div([^\>]*)><\/div>/', '', $html);
1187          $html = preg_replace('/<p([^\>]*)><\/p>/', '', $html);
1188          if ($tagvs !== '') {
1189              // set vertical space for some XHTML tags
1190              $tagvspaces = $tagvs;
1191          }
1192          // return the cleaned XHTML code + CSS
1193          return $css.$html;
1194      }
1195  
1196      /**
1197       * Returns true if the CSS selector is valid for the selected HTML tag
1198       * @param $dom (array) array of HTML tags and properties
1199       * @param $key (int) key of the current HTML tag
1200       * @param $selector (string) CSS selector string
1201       * @return true if the selector is valid, false otherwise
1202       * @since 5.1.000 (2010-05-25)
1203       * @public static
1204       */
1205  	public static function isValidCSSSelectorForTag($dom, $key, $selector) {
1206          $valid = false; // value to be returned
1207          $tag = $dom[$key]['value'];
1208          $class = array();
1209          if (isset($dom[$key]['attribute']['class']) AND !empty($dom[$key]['attribute']['class'])) {
1210              $class = explode(' ', strtolower($dom[$key]['attribute']['class']));
1211          }
1212          $id = '';
1213          if (isset($dom[$key]['attribute']['id']) AND !empty($dom[$key]['attribute']['id'])) {
1214              $id = strtolower($dom[$key]['attribute']['id']);
1215          }
1216          $selector = preg_replace('/([\>\+\~\s]{1})([\.]{1})([^\>\+\~\s]*)/si', '\\1*.\\3', $selector);
1217          $matches = array();
1218          if (preg_match_all('/([\>\+\~\s]{1})([a-zA-Z0-9\*]+)([^\>\+\~\s]*)/si', $selector, $matches, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE) > 0) {
1219              $parentop = array_pop($matches[1]);
1220              $operator = $parentop[0];
1221              $offset = $parentop[1];
1222              $lasttag = array_pop($matches[2]);
1223              $lasttag = strtolower(trim($lasttag[0]));
1224              if (($lasttag == '*') OR ($lasttag == $tag)) {
1225                  // the last element on selector is our tag or 'any tag'
1226                  $attrib = array_pop($matches[3]);
1227                  $attrib = strtolower(trim($attrib[0]));
1228                  if (!empty($attrib)) {
1229                      // check if matches class, id, attribute, pseudo-class or pseudo-element
1230                      switch ($attrib[0]) {
1231                          case '.': { // class
1232                              if (in_array(substr($attrib, 1), $class)) {
1233                                  $valid = true;
1234                              }
1235                              break;
1236                          }
1237                          case '#': { // ID
1238                              if (substr($attrib, 1) == $id) {
1239                                  $valid = true;
1240                              }
1241                              break;
1242                          }
1243                          case '[': { // attribute
1244                              $attrmatch = array();
1245                              if (preg_match('/\[([a-zA-Z0-9]*)[\s]*([\~\^\$\*\|\=]*)[\s]*["]?([^"\]]*)["]?\]/i', $attrib, $attrmatch) > 0) {
1246                                  $att = strtolower($attrmatch[1]);
1247                                  $val = $attrmatch[3];
1248                                  if (isset($dom[$key]['attribute'][$att])) {
1249                                      switch ($attrmatch[2]) {
1250                                          case '=': {
1251                                              if ($dom[$key]['attribute'][$att] == $val) {
1252                                                  $valid = true;
1253                                              }
1254                                              break;
1255                                          }
1256                                          case '~=': {
1257                                              if (in_array($val, explode(' ', $dom[$key]['attribute'][$att]))) {
1258                                                  $valid = true;
1259                                              }
1260                                              break;
1261                                          }
1262                                          case '^=': {
1263                                              if ($val == substr($dom[$key]['attribute'][$att], 0, strlen($val))) {
1264                                                  $valid = true;
1265                                              }
1266                                              break;
1267                                          }
1268                                          case '$=': {
1269                                              if ($val == substr($dom[$key]['attribute'][$att], -strlen($val))) {
1270                                                  $valid = true;
1271                                              }
1272                                              break;
1273                                          }
1274                                          case '*=': {
1275                                              if (strpos($dom[$key]['attribute'][$att], $val) !== false) {
1276                                                  $valid = true;
1277                                              }
1278                                              break;
1279                                          }
1280                                          case '|=': {
1281                                              if ($dom[$key]['attribute'][$att] == $val) {
1282                                                  $valid = true;
1283                                              } elseif (preg_match('/'.$val.'[\-]{1}/i', $dom[$key]['attribute'][$att]) > 0) {
1284                                                  $valid = true;
1285                                              }
1286                                              break;
1287                                          }
1288                                          default: {
1289                                              $valid = true;
1290                                          }
1291                                      }
1292                                  }
1293                              }
1294                              break;
1295                          }
1296                          case ':': { // pseudo-class or pseudo-element
1297                              if ($attrib[1] == ':') { // pseudo-element
1298                                  // pseudo-elements are not supported!
1299                                  // (::first-line, ::first-letter, ::before, ::after)
1300                              } else { // pseudo-class
1301                                  // pseudo-classes are not supported!
1302                                  // (:root, :nth-child(n), :nth-last-child(n), :nth-of-type(n), :nth-last-of-type(n), :first-child, :last-child, :first-of-type, :last-of-type, :only-child, :only-of-type, :empty, :link, :visited, :active, :hover, :focus, :target, :lang(fr), :enabled, :disabled, :checked)
1303                              }
1304                              break;
1305                          }
1306                      } // end of switch
1307                  } else {
1308                      $valid = true;
1309                  }
1310                  if ($valid AND ($offset > 0)) {
1311                      $valid = false;
1312                      // check remaining selector part
1313                      $selector = substr($selector, 0, $offset);
1314                      switch ($operator) {
1315                          case ' ': { // descendant of an element
1316                              while ($dom[$key]['parent'] > 0) {
1317                                  if (self::isValidCSSSelectorForTag($dom, $dom[$key]['parent'], $selector)) {
1318                                      $valid = true;
1319                                      break;
1320                                  } else {
1321                                      $key = $dom[$key]['parent'];
1322                                  }
1323                              }
1324                              break;
1325                          }
1326                          case '>': { // child of an element
1327                              $valid = self::isValidCSSSelectorForTag($dom, $dom[$key]['parent'], $selector);
1328                              break;
1329                          }
1330                          case '+': { // immediately preceded by an element
1331                              for ($i = ($key - 1); $i > $dom[$key]['parent']; --$i) {
1332                                  if ($dom[$i]['tag'] AND $dom[$i]['opening']) {
1333                                      $valid = self::isValidCSSSelectorForTag($dom, $i, $selector);
1334                                      break;
1335                                  }
1336                              }
1337                              break;
1338                          }
1339                          case '~': { // preceded by an element
1340                              for ($i = ($key - 1); $i > $dom[$key]['parent']; --$i) {
1341                                  if ($dom[$i]['tag'] AND $dom[$i]['opening']) {
1342                                      if (self::isValidCSSSelectorForTag($dom, $i, $selector)) {
1343                                          break;
1344                                      }
1345                                  }
1346                              }
1347                              break;
1348                          }
1349                      }
1350                  }
1351              }
1352          }
1353          return $valid;
1354      }
1355  
1356      /**
1357       * Returns the styles array that apply for the selected HTML tag.
1358       * @param $dom (array) array of HTML tags and properties
1359       * @param $key (int) key of the current HTML tag
1360       * @param $css (array) array of CSS properties
1361       * @return array containing CSS properties
1362       * @since 5.1.000 (2010-05-25)
1363       * @public static
1364       */
1365  	public static function getCSSdataArray($dom, $key, $css) {
1366          $cssarray = array(); // style to be returned
1367          // get parent CSS selectors
1368          $selectors = array();
1369          if (isset($dom[($dom[$key]['parent'])]['csssel'])) {
1370              $selectors = $dom[($dom[$key]['parent'])]['csssel'];
1371          }
1372          // get all styles that apply
1373          foreach($css as $selector => $style) {
1374              $pos = strpos($selector, ' ');
1375              // get specificity
1376              $specificity = substr($selector, 0, $pos);
1377              // remove specificity
1378              $selector = substr($selector, $pos);
1379              // check if this selector apply to current tag
1380              if (self::isValidCSSSelectorForTag($dom, $key, $selector)) {
1381                  if (!in_array($selector, $selectors)) {
1382                      // add style if not already added on parent selector
1383                      $cssarray[] = array('k' => $selector, 's' => $specificity, 'c' => $style);
1384                      $selectors[] = $selector;
1385                  }
1386              }
1387          }
1388          if (isset($dom[$key]['attribute']['style'])) {
1389              // attach inline style (latest properties have high priority)
1390              $cssarray[] = array('k' => '', 's' => '1000', 'c' => $dom[$key]['attribute']['style']);
1391          }
1392          // order the css array to account for specificity
1393          $cssordered = array();
1394          foreach ($cssarray as $key => $val) {
1395              $skey = sprintf('%04d', $key);
1396              $cssordered[$val['s'].'_'.$skey] = $val;
1397          }
1398          // sort selectors alphabetically to account for specificity
1399          ksort($cssordered, SORT_STRING);
1400          return array($selectors, $cssordered);
1401      }
1402  
1403      /**
1404       * Compact CSS data array into single string.
1405       * @param $css (array) array of CSS properties
1406       * @return string containing merged CSS properties
1407       * @since 5.9.070 (2011-04-19)
1408       * @public static
1409       */
1410  	public static function getTagStyleFromCSSarray($css) {
1411          $tagstyle = ''; // value to be returned
1412          foreach ($css as $style) {
1413              // split single css commands
1414              $csscmds = explode(';', $style['c']);
1415              foreach ($csscmds as $cmd) {
1416                  if (!empty($cmd)) {
1417                      $pos = strpos($cmd, ':');
1418                      if ($pos !== false) {
1419                          $cmd = substr($cmd, 0, ($pos + 1));
1420                          if (strpos($tagstyle, $cmd) !== false) {
1421                              // remove duplicate commands (last commands have high priority)
1422                              $tagstyle = preg_replace('/'.$cmd.'[^;]+/i', '', $tagstyle);
1423                          }
1424                      }
1425                  }
1426              }
1427              $tagstyle .= ';'.$style['c'];
1428          }
1429          // remove multiple semicolons
1430          $tagstyle = preg_replace('/[;]+/', ';', $tagstyle);
1431          return $tagstyle;
1432      }
1433  
1434      /**
1435       * Returns the Roman representation of an integer number
1436       * @param $number (int) number to convert
1437       * @return string roman representation of the specified number
1438       * @since 4.4.004 (2008-12-10)
1439       * @public static
1440       */
1441  	public static function intToRoman($number) {
1442          $roman = '';
1443          while ($number >= 1000) {
1444              $roman .= 'M';
1445              $number -= 1000;
1446          }
1447          while ($number >= 900) {
1448              $roman .= 'CM';
1449              $number -= 900;
1450          }
1451          while ($number >= 500) {
1452              $roman .= 'D';
1453              $number -= 500;
1454          }
1455          while ($number >= 400) {
1456              $roman .= 'CD';
1457              $number -= 400;
1458          }
1459          while ($number >= 100) {
1460              $roman .= 'C';
1461              $number -= 100;
1462          }
1463          while ($number >= 90) {
1464              $roman .= 'XC';
1465              $number -= 90;
1466          }
1467          while ($number >= 50) {
1468              $roman .= 'L';
1469              $number -= 50;
1470          }
1471          while ($number >= 40) {
1472              $roman .= 'XL';
1473              $number -= 40;
1474          }
1475          while ($number >= 10) {
1476              $roman .= 'X';
1477              $number -= 10;
1478          }
1479          while ($number >= 9) {
1480              $roman .= 'IX';
1481              $number -= 9;
1482          }
1483          while ($number >= 5) {
1484              $roman .= 'V';
1485              $number -= 5;
1486          }
1487          while ($number >= 4) {
1488              $roman .= 'IV';
1489              $number -= 4;
1490          }
1491          while ($number >= 1) {
1492              $roman .= 'I';
1493              --$number;
1494          }
1495          return $roman;
1496      }
1497  
1498      /**
1499       * Find position of last occurrence of a substring in a string
1500       * @param $haystack (string) The string to search in.
1501       * @param $needle (string) substring to search.
1502       * @param $offset (int) May be specified to begin searching an arbitrary number of characters into the string.
1503       * @return Returns the position where the needle exists. Returns FALSE if the needle was not found.
1504       * @since 4.8.038 (2010-03-13)
1505       * @public static
1506       */
1507  	public static function revstrpos($haystack, $needle, $offset = 0) {
1508          $length = strlen($haystack);
1509          $offset = ($offset > 0)?($length - $offset):abs($offset);
1510          $pos = strpos(strrev($haystack), strrev($needle), $offset);
1511          return ($pos === false)?false:($length - $pos - strlen($needle));
1512      }
1513  
1514      /**
1515       * Returns an array of hyphenation patterns.
1516       * @param $file (string) TEX file containing hypenation patterns. TEX pattrns can be downloaded from http://www.ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/
1517       * @return array of hyphenation patterns
1518       * @author Nicola Asuni
1519       * @since 4.9.012 (2010-04-12)
1520       * @public static
1521       */
1522  	public static function getHyphenPatternsFromTEX($file) {
1523          // TEX patterns are available at:
1524          // http://www.ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/
1525          $data = file_get_contents($file);
1526          $patterns = array();
1527          // remove comments
1528          $data = preg_replace('/\%[^\n]*/', '', $data);
1529          // extract the patterns part
1530          preg_match('/\\\\patterns\{([^\}]*)\}/i', $data, $matches);
1531          $data = trim(substr($matches[0], 10, -1));
1532          // extract each pattern
1533          $patterns_array = preg_split('/[\s]+/', $data);
1534          // create new language array of patterns
1535          $patterns = array();
1536          foreach($patterns_array as $val) {
1537              if (!TCPDF_STATIC::empty_string($val)) {
1538                  $val = trim($val);
1539                  $val = str_replace('\'', '\\\'', $val);
1540                  $key = preg_replace('/[0-9]+/', '', $val);
1541                  $patterns[$key] = $val;
1542              }
1543          }
1544          return $patterns;
1545      }
1546  
1547      /**
1548       * Get the Path-Painting Operators.
1549       * @param $style (string) Style of rendering. Possible values are:
1550       * <ul>
1551       *   <li>S or D: Stroke the path.</li>
1552       *   <li>s or d: Close and stroke the path.</li>
1553       *   <li>f or F: Fill the path, using the nonzero winding number rule to determine the region to fill.</li>
1554       *   <li>f* or F*: Fill the path, using the even-odd rule to determine the region to fill.</li>
1555       *   <li>B or FD or DF: Fill and then stroke the path, using the nonzero winding number rule to determine the region to fill.</li>
1556       *   <li>B* or F*D or DF*: Fill and then stroke the path, using the even-odd rule to determine the region to fill.</li>
1557       *   <li>b or fd or df: Close, fill, and then stroke the path, using the nonzero winding number rule to determine the region to fill.</li>
1558       *   <li>b or f*d or df*: Close, fill, and then stroke the path, using the even-odd rule to determine the region to fill.</li>
1559       *   <li>CNZ: Clipping mode using the even-odd rule to determine which regions lie inside the clipping path.</li>
1560       *   <li>CEO: Clipping mode using the nonzero winding number rule to determine which regions lie inside the clipping path</li>
1561       *   <li>n: End the path object without filling or stroking it.</li>
1562       * </ul>
1563       * @param $default (string) default style
1564       * @author Nicola Asuni
1565       * @since 5.0.000 (2010-04-30)
1566       * @public static
1567       */
1568  	public static function getPathPaintOperator($style, $default='S') {
1569          $op = '';
1570          switch($style) {
1571              case 'S':
1572              case 'D': {
1573                  $op = 'S';
1574                  break;
1575              }
1576              case 's':
1577              case 'd': {
1578                  $op = 's';
1579                  break;
1580              }
1581              case 'f':
1582              case 'F': {
1583                  $op = 'f';
1584                  break;
1585              }
1586              case 'f*':
1587              case 'F*': {
1588                  $op = 'f*';
1589                  break;
1590              }
1591              case 'B':
1592              case 'FD':
1593              case 'DF': {
1594                  $op = 'B';
1595                  break;
1596              }
1597              case 'B*':
1598              case 'F*D':
1599              case 'DF*': {
1600                  $op = 'B*';
1601                  break;
1602              }
1603              case 'b':
1604              case 'fd':
1605              case 'df': {
1606                  $op = 'b';
1607                  break;
1608              }
1609              case 'b*':
1610              case 'f*d':
1611              case 'df*': {
1612                  $op = 'b*';
1613                  break;
1614              }
1615              case 'CNZ': {
1616                  $op = 'W n';
1617                  break;
1618              }
1619              case 'CEO': {
1620                  $op = 'W* n';
1621                  break;
1622              }
1623              case 'n': {
1624                  $op = 'n';
1625                  break;
1626              }
1627              default: {
1628                  if (!empty($default)) {
1629                      $op = self::getPathPaintOperator($default, '');
1630                  } else {
1631                      $op = '';
1632                  }
1633              }
1634          }
1635          return $op;
1636      }
1637  
1638      /**
1639       * Get the product of two SVG tranformation matrices
1640       * @param $ta (array) first SVG tranformation matrix
1641       * @param $tb (array) second SVG tranformation matrix
1642       * @return transformation array
1643       * @author Nicola Asuni
1644       * @since 5.0.000 (2010-05-02)
1645       * @public static
1646       */
1647  	public static function getTransformationMatrixProduct($ta, $tb) {
1648          $tm = array();
1649          $tm[0] = ($ta[0] * $tb[0]) + ($ta[2] * $tb[1]);
1650          $tm[1] = ($ta[1] * $tb[0]) + ($ta[3] * $tb[1]);
1651          $tm[2] = ($ta[0] * $tb[2]) + ($ta[2] * $tb[3]);
1652          $tm[3] = ($ta[1] * $tb[2]) + ($ta[3] * $tb[3]);
1653          $tm[4] = ($ta[0] * $tb[4]) + ($ta[2] * $tb[5]) + $ta[4];
1654          $tm[5] = ($ta[1] * $tb[4]) + ($ta[3] * $tb[5]) + $ta[5];
1655          return $tm;
1656      }
1657  
1658      /**
1659       * Get the tranformation matrix from SVG transform attribute
1660       * @param $attribute (string) transformation
1661       * @return array of transformations
1662       * @author Nicola Asuni
1663       * @since 5.0.000 (2010-05-02)
1664       * @public static
1665       */
1666  	public static function getSVGTransformMatrix($attribute) {
1667          // identity matrix
1668          $tm = array(1, 0, 0, 1, 0, 0);
1669          $transform = array();
1670          if (preg_match_all('/(matrix|translate|scale|rotate|skewX|skewY)[\s]*\(([^\)]+)\)/si', $attribute, $transform, PREG_SET_ORDER) > 0) {
1671              foreach ($transform as $key => $data) {
1672                  if (!empty($data[2])) {
1673                      $a = 1;
1674                      $b = 0;
1675                      $c = 0;
1676                      $d = 1;
1677                      $e = 0;
1678                      $f = 0;
1679                      $regs = array();
1680                      switch ($data[1]) {
1681                          case 'matrix': {
1682                              if (preg_match('/([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1683                                  $a = $regs[1];
1684                                  $b = $regs[2];
1685                                  $c = $regs[3];
1686                                  $d = $regs[4];
1687                                  $e = $regs[5];
1688                                  $f = $regs[6];
1689                              }
1690                              break;
1691                          }
1692                          case 'translate': {
1693                              if (preg_match('/([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1694                                  $e = $regs[1];
1695                                  $f = $regs[2];
1696                              } elseif (preg_match('/([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1697                                  $e = $regs[1];
1698                              }
1699                              break;
1700                          }
1701                          case 'scale': {
1702                              if (preg_match('/([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1703                                  $a = $regs[1];
1704                                  $d = $regs[2];
1705                              } elseif (preg_match('/([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1706                                  $a = $regs[1];
1707                                  $d = $a;
1708                              }
1709                              break;
1710                          }
1711                          case 'rotate': {
1712                              if (preg_match('/([0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)[\,\s]+([a-z0-9\-\.]+)/si', $data[2], $regs)) {
1713                                  $ang = deg2rad($regs[1]);
1714                                  $x = $regs[2];
1715                                  $y = $regs[3];
1716                                  $a = cos($ang);
1717                                  $b = sin($ang);
1718                                  $c = -$b;
1719                                  $d = $a;
1720                                  $e = ($x * (1 - $a)) - ($y * $c);
1721                                  $f = ($y * (1 - $d)) - ($x * $b);
1722                              } elseif (preg_match('/([0-9\-\.]+)/si', $data[2], $regs)) {
1723                                  $ang = deg2rad($regs[1]);
1724                                  $a = cos($ang);
1725                                  $b = sin($ang);
1726                                  $c = -$b;
1727                                  $d = $a;
1728                                  $e = 0;
1729                                  $f = 0;
1730                              }
1731                              break;
1732                          }
1733                          case 'skewX': {
1734                              if (preg_match('/([0-9\-\.]+)/si', $data[2], $regs)) {
1735                                  $c = tan(deg2rad($regs[1]));
1736                              }
1737                              break;
1738                          }
1739                          case 'skewY': {
1740                              if (preg_match('/([0-9\-\.]+)/si', $data[2], $regs)) {
1741                                  $b = tan(deg2rad($regs[1]));
1742                              }
1743                              break;
1744                          }
1745                      }
1746                      $tm = self::getTransformationMatrixProduct($tm, array($a, $b, $c, $d, $e, $f));
1747                  }
1748              }
1749          }
1750          return $tm;
1751      }
1752  
1753      /**
1754       * Returns the angle in radiants between two vectors
1755       * @param $x1 (int) X coordinate of first vector point
1756       * @param $y1 (int) Y coordinate of first vector point
1757       * @param $x2 (int) X coordinate of second vector point
1758       * @param $y2 (int) Y coordinate of second vector point
1759       * @author Nicola Asuni
1760       * @since 5.0.000 (2010-05-04)
1761       * @public static
1762       */
1763  	public static function getVectorsAngle($x1, $y1, $x2, $y2) {
1764          $dprod = ($x1 * $x2) + ($y1 * $y2);
1765          $dist1 = sqrt(($x1 * $x1) + ($y1 * $y1));
1766          $dist2 = sqrt(($x2 * $x2) + ($y2 * $y2));
1767          $angle = acos($dprod / ($dist1 * $dist2));
1768          if (is_nan($angle)) {
1769              $angle = M_PI;
1770          }
1771          if ((($x1 * $y2) - ($x2 * $y1)) < 0) {
1772              $angle *= -1;
1773          }
1774          return $angle;
1775      }
1776  
1777  
1778  
1779  
1780  
1781  
1782  
1783  
1784  
1785  
1786  
1787  
1788  
1789  
1790  
1791  
1792  
1793  // ====================================================================================================================
1794  // REIMPLEMENTED
1795  // ====================================================================================================================
1796  
1797  
1798  
1799  
1800  
1801  
1802  
1803  
1804  
1805  
1806  
1807  
1808  
1809  
1810      /**
1811       * Split string by a regular expression.
1812       * This is a wrapper for the preg_split function to avoid the bug: https://bugs.php.net/bug.php?id=45850
1813       * @param $pattern (string) The regular expression pattern to search for without the modifiers, as a string.
1814       * @param $modifiers (string) The modifiers part of the pattern,
1815       * @param $subject (string) The input string.
1816       * @param $limit (int) If specified, then only substrings up to limit are returned with the rest of the string being placed in the last substring. A limit of -1, 0 or NULL means "no limit" and, as is standard across PHP, you can use NULL to skip to the flags parameter.
1817       * @param $flags (int) The flags as specified on the preg_split PHP function.
1818       * @return Returns an array containing substrings of subject split along boundaries matched by pattern.modifier
1819       * @author Nicola Asuni
1820       * @since 6.0.023
1821       * @public static
1822       */
1823  	public static function pregSplit($pattern, $modifiers, $subject, $limit=NULL, $flags=NULL) {
1824          // the bug only happens on PHP 5.2 when using the u modifier
1825          if ((strpos($modifiers, 'u') === FALSE) OR (count(preg_split('//u', "\n\t", -1, PREG_SPLIT_NO_EMPTY)) == 2)) {
1826              return preg_split($pattern.$modifiers, $subject, $limit, $flags);
1827          }
1828          // preg_split is bugged - try alternative solution
1829          $ret = array();
1830          while (($nl = strpos($subject, "\n")) !== FALSE) {
1831              $ret = array_merge($ret, preg_split($pattern.$modifiers, substr($subject, 0, $nl), $limit, $flags));
1832              $ret[] = "\n";
1833              $subject = substr($subject, ($nl + 1));
1834          }
1835          if (strlen($subject) > 0) {
1836              $ret = array_merge($ret, preg_split($pattern.$modifiers, $subject, $limit, $flags));
1837          }
1838          return $ret;
1839      }
1840  
1841      /**
1842       * Wrapper to use fopen only with local files
1843       * @param filename (string) Name of the file to open
1844       * @param $mode (string) 
1845       * @return Returns a file pointer resource on success, or FALSE on error.  
1846       * @public static
1847       */
1848  	public static function fopenLocal($filename, $mode) {
1849          if (strpos($filename, '://') === false) {
1850              $filename = 'file://'.$filename;
1851          } elseif (stream_is_local($filename) !== true) {
1852              return false;
1853          }
1854          return fopen($filename, $mode);
1855      }
1856  
1857      /**
1858       * Reads entire file into a string.
1859       * The file can be also an URL.
1860       * @param $file (string) Name of the file or URL to read.
1861       * @return The function returns the read data or FALSE on failure. 
1862       * @author Nicola Asuni
1863       * @since 6.0.025
1864       * @public static
1865       */
1866  	public static function fileGetContents($file) {
1867          $alt = array($file);
1868          //
1869          if ((strlen($file) > 1)
1870              && ($file[0] === '/')
1871              && ($file[1] !== '/')
1872              && !empty($_SERVER['DOCUMENT_ROOT'])
1873              && ($_SERVER['DOCUMENT_ROOT'] !== '/')
1874          ) {
1875              $findroot = strpos($file, $_SERVER['DOCUMENT_ROOT']);
1876              if (($findroot === false) || ($findroot > 1)) {
1877              $alt[] = htmlspecialchars_decode(urldecode($_SERVER['DOCUMENT_ROOT'].$file));
1878              }
1879          }
1880          //
1881          $protocol = 'http';
1882          if (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off')) {
1883              $protocol .= 's';
1884          }
1885          //
1886          $url = $file;
1887          if (preg_match('%^//%', $url) && !empty($_SERVER['HTTP_HOST'])) {
1888              $url = $protocol.':'.str_replace(' ', '%20', $url);
1889          }
1890          $url = htmlspecialchars_decode($url);
1891          $alt[] = $url;
1892          //
1893          if (preg_match('%^(https?)://%', $url)
1894              && empty($_SERVER['HTTP_HOST'])
1895              && empty($_SERVER['DOCUMENT_ROOT'])
1896          ) {
1897              $urldata = parse_url($url);
1898              if (empty($urldata['query'])) {
1899                  $host = $protocol.'://'.$_SERVER['HTTP_HOST'];
1900                  if (strpos($url, $host) === 0) {
1901                      // convert URL to full server path
1902                      $tmp = str_replace($host, $_SERVER['DOCUMENT_ROOT'], $url);
1903                      $alt[] = htmlspecialchars_decode(urldecode($tmp));
1904                  }
1905              }
1906          }
1907          //
1908          if (isset($_SERVER['SCRIPT_URI'])
1909              && !preg_match('%^(https?|ftp)://%', $file)
1910              && !preg_match('%^//%', $file)
1911          ) {
1912              $urldata = @parse_url($_SERVER['SCRIPT_URI']);
1913              return $urldata['scheme'].'://'.$urldata['host'].(($file[0] == '/') ? '' : '/').$file;
1914          }
1915          //
1916          $alt = array_unique($alt);
1917          //var_dump($alt);exit;//DEBUG
1918          foreach ($alt as $path) {
1919              $ret = @file_get_contents($path);
1920              if ($ret !== false) {
1921                  return $ret;
1922              }
1923              // try to use CURL for URLs
1924              if (!ini_get('allow_url_fopen')
1925                  && function_exists('curl_init')
1926                  && preg_match('%^(https?|ftp)://%', $path)
1927              ) {
1928                  // try to get remote file data using cURL
1929                  $crs = curl_init();
1930                  curl_setopt($crs, CURLOPT_URL, $path);
1931                  curl_setopt($crs, CURLOPT_BINARYTRANSFER, true);
1932                  curl_setopt($crs, CURLOPT_FAILONERROR, true);
1933                  curl_setopt($crs, CURLOPT_RETURNTRANSFER, true);
1934                  if ((ini_get('open_basedir') == '') && (!ini_get('safe_mode'))) {
1935                      curl_setopt($crs, CURLOPT_FOLLOWLOCATION, true);
1936                  }
1937                  curl_setopt($crs, CURLOPT_CONNECTTIMEOUT, 5);
1938                  curl_setopt($crs, CURLOPT_TIMEOUT, 30);
1939                  curl_setopt($crs, CURLOPT_SSL_VERIFYPEER, false);
1940                  curl_setopt($crs, CURLOPT_SSL_VERIFYHOST, false);
1941                  curl_setopt($crs, CURLOPT_USERAGENT, 'tc-lib-file');
1942                  $ret = curl_exec($crs);
1943                  curl_close($crs);
1944                  if ($ret !== false) {
1945                      return $ret;
1946                  }
1947              }
1948          }
1949          return false;
1950      }
1951  
1952      
1953  
1954      /**
1955       * Get ULONG from string (Big Endian 32-bit unsigned integer).
1956       * @param $str (string) string from where to extract value
1957       * @param $offset (int) point from where to read the data
1958       * @return int 32 bit value
1959       * @author Nicola Asuni
1960       * @since 5.2.000 (2010-06-02)
1961       * @public static
1962       */
1963  	public static function _getULONG($str, $offset) {
1964          $v = unpack('Ni', substr($str, $offset, 4));
1965          return $v['i'];
1966      }
1967  
1968      /**
1969       * Get USHORT from string (Big Endian 16-bit unsigned integer).
1970       * @param $str (string) string from where to extract value
1971       * @param $offset (int) point from where to read the data
1972       * @return int 16 bit value
1973       * @author Nicola Asuni
1974       * @since 5.2.000 (2010-06-02)
1975       * @public static
1976       */
1977  	public static function _getUSHORT($str, $offset) {
1978          $v = unpack('ni', substr($str, $offset, 2));
1979          return $v['i'];
1980      }
1981  
1982      /**
1983       * Get SHORT from string (Big Endian 16-bit signed integer).
1984       * @param $str (string) String from where to extract value.
1985       * @param $offset (int) Point from where to read the data.
1986       * @return int 16 bit value
1987       * @author Nicola Asuni
1988       * @since 5.2.000 (2010-06-02)
1989       * @public static
1990       */
1991  	public static function _getSHORT($str, $offset) {
1992          $v = unpack('si', substr($str, $offset, 2));
1993          return $v['i'];
1994      }
1995  
1996      /**
1997       * Get FWORD from string (Big Endian 16-bit signed integer).
1998       * @param $str (string) String from where to extract value.
1999       * @param $offset (int) Point from where to read the data.
2000       * @return int 16 bit value
2001       * @author Nicola Asuni
2002       * @since 5.9.123 (2011-09-30)
2003       * @public static
2004       */
2005  	public static function _getFWORD($str, $offset) {
2006          $v = self::_getUSHORT($str, $offset);
2007          if ($v > 0x7fff) {
2008              $v -= 0x10000;
2009          }
2010          return $v;
2011      }
2012  
2013      /**
2014       * Get UFWORD from string (Big Endian 16-bit unsigned integer).
2015       * @param $str (string) string from where to extract value
2016       * @param $offset (int) point from where to read the data
2017       * @return int 16 bit value
2018       * @author Nicola Asuni
2019       * @since 5.9.123 (2011-09-30)
2020       * @public static
2021       */
2022  	public static function _getUFWORD($str, $offset) {
2023          $v = self::_getUSHORT($str, $offset);
2024          return $v;
2025      }
2026  
2027      /**
2028       * Get FIXED from string (32-bit signed fixed-point number (16.16).
2029       * @param $str (string) string from where to extract value
2030       * @param $offset (int) point from where to read the data
2031       * @return int 16 bit value
2032       * @author Nicola Asuni
2033       * @since 5.9.123 (2011-09-30)
2034       * @public static
2035       */
2036  	public static function _getFIXED($str, $offset) {
2037          // mantissa
2038          $m = self::_getFWORD($str, $offset);
2039          // fraction
2040          $f = self::_getUSHORT($str, ($offset + 2));
2041          $v = floatval(''.$m.'.'.$f.'');
2042          return $v;
2043      }
2044  
2045      /**
2046       * Get BYTE from string (8-bit unsigned integer).
2047       * @param $str (string) String from where to extract value.
2048       * @param $offset (int) Point from where to read the data.
2049       * @return int 8 bit value
2050       * @author Nicola Asuni
2051       * @since 5.2.000 (2010-06-02)
2052       * @public static
2053       */
2054  	public static function _getBYTE($str, $offset) {
2055          $v = unpack('Ci', substr($str, $offset, 1));
2056          return $v['i'];
2057      }
2058      /**
2059       * Binary-safe and URL-safe file read.
2060       * Reads up to length bytes from the file pointer referenced by handle. Reading stops as soon as one of the following conditions is met: length bytes have been read; EOF (end of file) is reached.
2061       * @param $handle (resource)
2062       * @param $length (int)
2063       * @return Returns the read string or FALSE in case of error.
2064       * @author Nicola Asuni
2065       * @since 4.5.027 (2009-03-16)
2066       * @public static
2067       */
2068  	public static function rfread($handle, $length) {
2069          $data = fread($handle, $length);
2070          if ($data === false) {
2071              return false;
2072          }
2073          $rest = ($length - strlen($data));
2074          if (($rest > 0) && !feof($handle)) {
2075              $data .= self::rfread($handle, $rest);
2076          }
2077          return $data;
2078      }
2079  
2080      /**
2081       * Read a 4-byte (32 bit) integer from file.
2082       * @param $f (string) file name.
2083       * @return 4-byte integer
2084       * @public static
2085       */
2086  	public static function _freadint($f) {
2087          $a = unpack('Ni', fread($f, 4));
2088          return $a['i'];
2089      }
2090  
2091      
2092      /**
2093       * Array of page formats
2094       * measures are calculated in this way: (inches * 72) or (millimeters * 72 / 25.4)
2095       * @public static
2096       */
2097      public static $page_formats = array(
2098          // ISO 216 A Series + 2 SIS 014711 extensions
2099          'A0'                     => array( 2383.937,  3370.394), // = (  841 x 1189 ) mm  = ( 33.11 x 46.81 ) in
2100          'A1'                     => array( 1683.780,  2383.937), // = (  594 x 841  ) mm  = ( 23.39 x 33.11 ) in
2101          'A2'                     => array( 1190.551,  1683.780), // = (  420 x 594  ) mm  = ( 16.54 x 23.39 ) in
2102          'A3'                     => array(  841.890,  1190.551), // = (  297 x 420  ) mm  = ( 11.69 x 16.54 ) in
2103          'A4'                     => array(  595.276,   841.890), // = (  210 x 297  ) mm  = (  8.27 x 11.69 ) in
2104          'A5'                     => array(  419.528,   595.276), // = (  148 x 210  ) mm  = (  5.83 x 8.27  ) in
2105          'A6'                     => array(  297.638,   419.528), // = (  105 x 148  ) mm  = (  4.13 x 5.83  ) in
2106          'A7'                     => array(  209.764,   297.638), // = (   74 x 105  ) mm  = (  2.91 x 4.13  ) in
2107          'A8'                     => array(  147.402,   209.764), // = (   52 x 74   ) mm  = (  2.05 x 2.91  ) in
2108          'A9'                     => array(  104.882,   147.402), // = (   37 x 52   ) mm  = (  1.46 x 2.05  ) in
2109          'A10'                    => array(   73.701,   104.882), // = (   26 x 37   ) mm  = (  1.02 x 1.46  ) in
2110          'A11'                    => array(   51.024,    73.701), // = (   18 x 26   ) mm  = (  0.71 x 1.02  ) in
2111          'A12'                    => array(   36.850,    51.024), // = (   13 x 18   ) mm  = (  0.51 x 0.71  ) in
2112          // ISO 216 B Series + 2 SIS 014711 extensions
2113          'B0'                     => array( 2834.646,  4008.189), // = ( 1000 x 1414 ) mm  = ( 39.37 x 55.67 ) in
2114          'B1'                     => array( 2004.094,  2834.646), // = (  707 x 1000 ) mm  = ( 27.83 x 39.37 ) in
2115          'B2'                     => array( 1417.323,  2004.094), // = (  500 x 707  ) mm  = ( 19.69 x 27.83 ) in
2116          'B3'                     => array( 1000.630,  1417.323), // = (  353 x 500  ) mm  = ( 13.90 x 19.69 ) in
2117          'B4'                     => array(  708.661,  1000.630), // = (  250 x 353  ) mm  = (  9.84 x 13.90 ) in
2118          'B5'                     => array(  498.898,   708.661), // = (  176 x 250  ) mm  = (  6.93 x 9.84  ) in
2119          'B6'                     => array(  354.331,   498.898), // = (  125 x 176  ) mm  = (  4.92 x 6.93  ) in
2120          'B7'                     => array(  249.449,   354.331), // = (   88 x 125  ) mm  = (  3.46 x 4.92  ) in
2121          'B8'                     => array(  175.748,   249.449), // = (   62 x 88   ) mm  = (  2.44 x 3.46  ) in
2122          'B9'                     => array(  124.724,   175.748), // = (   44 x 62   ) mm  = (  1.73 x 2.44  ) in
2123          'B10'                    => array(   87.874,   124.724), // = (   31 x 44   ) mm  = (  1.22 x 1.73  ) in
2124          'B11'                    => array(   62.362,    87.874), // = (   22 x 31   ) mm  = (  0.87 x 1.22  ) in
2125          'B12'                    => array(   42.520,    62.362), // = (   15 x 22   ) mm  = (  0.59 x 0.87  ) in
2126          // ISO 216 C Series + 2 SIS 014711 extensions + 5 EXTENSION
2127          'C0'                     => array( 2599.370,  3676.535), // = (  917 x 1297 ) mm  = ( 36.10 x 51.06 ) in
2128          'C1'                     => array( 1836.850,  2599.370), // = (  648 x 917  ) mm  = ( 25.51 x 36.10 ) in
2129          'C2'                     => array( 1298.268,  1836.850), // = (  458 x 648  ) mm  = ( 18.03 x 25.51 ) in
2130          'C3'                     => array(  918.425,  1298.268), // = (  324 x 458  ) mm  = ( 12.76 x 18.03 ) in
2131          'C4'                     => array(  649.134,   918.425), // = (  229 x 324  ) mm  = (  9.02 x 12.76 ) in
2132          'C5'                     => array(  459.213,   649.134), // = (  162 x 229  ) mm  = (  6.38 x 9.02  ) in
2133          'C6'                     => array(  323.150,   459.213), // = (  114 x 162  ) mm  = (  4.49 x 6.38  ) in
2134          'C7'                     => array(  229.606,   323.150), // = (   81 x 114  ) mm  = (  3.19 x 4.49  ) in
2135          'C8'                     => array(  161.575,   229.606), // = (   57 x 81   ) mm  = (  2.24 x 3.19  ) in
2136          'C9'                     => array(  113.386,   161.575), // = (   40 x 57   ) mm  = (  1.57 x 2.24  ) in
2137          'C10'                    => array(   79.370,   113.386), // = (   28 x 40   ) mm  = (  1.10 x 1.57  ) in
2138          'C11'                    => array(   56.693,    79.370), // = (   20 x 28   ) mm  = (  0.79 x 1.10  ) in
2139          'C12'                    => array(   39.685,    56.693), // = (   14 x 20   ) mm  = (  0.55 x 0.79  ) in
2140          'C76'                    => array(  229.606,   459.213), // = (   81 x 162  ) mm  = (  3.19 x 6.38  ) in
2141          'DL'                     => array(  311.811,   623.622), // = (  110 x 220  ) mm  = (  4.33 x 8.66  ) in
2142          'DLE'                    => array(  323.150,   637.795), // = (  114 x 225  ) mm  = (  4.49 x 8.86  ) in
2143          'DLX'                    => array(  340.158,   666.142), // = (  120 x 235  ) mm  = (  4.72 x 9.25  ) in
2144          'DLP'                    => array(  280.630,   595.276), // = (   99 x 210  ) mm  = (  3.90 x 8.27  ) in (1/3 A4)
2145          // SIS 014711 E Series
2146          'E0'                     => array( 2491.654,  3517.795), // = (  879 x 1241 ) mm  = ( 34.61 x 48.86 ) in
2147          'E1'                     => array( 1757.480,  2491.654), // = (  620 x 879  ) mm  = ( 24.41 x 34.61 ) in
2148          'E2'                     => array( 1247.244,  1757.480), // = (  440 x 620  ) mm  = ( 17.32 x 24.41 ) in
2149          'E3'                     => array(  878.740,  1247.244), // = (  310 x 440  ) mm  = ( 12.20 x 17.32 ) in
2150          'E4'                     => array(  623.622,   878.740), // = (  220 x 310  ) mm  = (  8.66 x 12.20 ) in
2151          'E5'                     => array(  439.370,   623.622), // = (  155 x 220  ) mm  = (  6.10 x 8.66  ) in
2152          'E6'                     => array(  311.811,   439.370), // = (  110 x 155  ) mm  = (  4.33 x 6.10  ) in
2153          'E7'                     => array(  221.102,   311.811), // = (   78 x 110  ) mm  = (  3.07 x 4.33  ) in
2154          'E8'                     => array(  155.906,   221.102), // = (   55 x 78   ) mm  = (  2.17 x 3.07  ) in
2155          'E9'                     => array(  110.551,   155.906), // = (   39 x 55   ) mm  = (  1.54 x 2.17  ) in
2156          'E10'                    => array(   76.535,   110.551), // = (   27 x 39   ) mm  = (  1.06 x 1.54  ) in
2157          'E11'                    => array(   53.858,    76.535), // = (   19 x 27   ) mm  = (  0.75 x 1.06  ) in
2158          'E12'                    => array(   36.850,    53.858), // = (   13 x 19   ) mm  = (  0.51 x 0.75  ) in
2159          // SIS 014711 G Series
2160          'G0'                     => array( 2715.591,  3838.110), // = (  958 x 1354 ) mm  = ( 37.72 x 53.31 ) in
2161          'G1'                     => array( 1919.055,  2715.591), // = (  677 x 958  ) mm  = ( 26.65 x 37.72 ) in
2162          'G2'                     => array( 1357.795,  1919.055), // = (  479 x 677  ) mm  = ( 18.86 x 26.65 ) in
2163          'G3'                     => array(  958.110,  1357.795), // = (  338 x 479  ) mm  = ( 13.31 x 18.86 ) in
2164          'G4'                     => array(  677.480,   958.110), // = (  239 x 338  ) mm  = (  9.41 x 13.31 ) in
2165          'G5'                     => array(  479.055,   677.480), // = (  169 x 239  ) mm  = (  6.65 x 9.41  ) in
2166          'G6'                     => array(  337.323,   479.055), // = (  119 x 169  ) mm  = (  4.69 x 6.65  ) in
2167          'G7'                     => array(  238.110,   337.323), // = (   84 x 119  ) mm  = (  3.31 x 4.69  ) in
2168          'G8'                     => array(  167.244,   238.110), // = (   59 x 84   ) mm  = (  2.32 x 3.31  ) in
2169          'G9'                     => array(  119.055,   167.244), // = (   42 x 59   ) mm  = (  1.65 x 2.32  ) in
2170          'G10'                    => array(   82.205,   119.055), // = (   29 x 42   ) mm  = (  1.14 x 1.65  ) in
2171          'G11'                    => array(   59.528,    82.205), // = (   21 x 29   ) mm  = (  0.83 x 1.14  ) in
2172          'G12'                    => array(   39.685,    59.528), // = (   14 x 21   ) mm  = (  0.55 x 0.83  ) in
2173          // ISO Press
2174          'RA0'                    => array( 2437.795,  3458.268), // = (  860 x 1220 ) mm  = ( 33.86 x 48.03 ) in
2175          'RA1'                    => array( 1729.134,  2437.795), // = (  610 x 860  ) mm  = ( 24.02 x 33.86 ) in
2176          'RA2'                    => array( 1218.898,  1729.134), // = (  430 x 610  ) mm  = ( 16.93 x 24.02 ) in
2177          'RA3'                    => array(  864.567,  1218.898), // = (  305 x 430  ) mm  = ( 12.01 x 16.93 ) in
2178          'RA4'                    => array(  609.449,   864.567), // = (  215 x 305  ) mm  = (  8.46 x 12.01 ) in
2179          'SRA0'                   => array( 2551.181,  3628.346), // = (  900 x 1280 ) mm  = ( 35.43 x 50.39 ) in
2180          'SRA1'                   => array( 1814.173,  2551.181), // = (  640 x 900  ) mm  = ( 25.20 x 35.43 ) in
2181          'SRA2'                   => array( 1275.591,  1814.173), // = (  450 x 640  ) mm  = ( 17.72 x 25.20 ) in
2182          'SRA3'                   => array(  907.087,  1275.591), // = (  320 x 450  ) mm  = ( 12.60 x 17.72 ) in
2183          'SRA4'                   => array(  637.795,   907.087), // = (  225 x 320  ) mm  = (  8.86 x 12.60 ) in
2184          // German DIN 476
2185          '4A0'                    => array( 4767.874,  6740.787), // = ( 1682 x 2378 ) mm  = ( 66.22 x 93.62 ) in
2186          '2A0'                    => array( 3370.394,  4767.874), // = ( 1189 x 1682 ) mm  = ( 46.81 x 66.22 ) in
2187          // Variations on the ISO Standard
2188          'A2_EXTRA'               => array( 1261.417,  1754.646), // = (  445 x 619  ) mm  = ( 17.52 x 24.37 ) in
2189          'A3+'                    => array(  932.598,  1369.134), // = (  329 x 483  ) mm  = ( 12.95 x 19.02 ) in
2190          'A3_EXTRA'               => array(  912.756,  1261.417), // = (  322 x 445  ) mm  = ( 12.68 x 17.52 ) in
2191          'A3_SUPER'               => array(  864.567,  1440.000), // = (  305 x 508  ) mm  = ( 12.01 x 20.00 ) in
2192          'SUPER_A3'               => array(  864.567,  1380.472), // = (  305 x 487  ) mm  = ( 12.01 x 19.17 ) in
2193          'A4_EXTRA'               => array(  666.142,   912.756), // = (  235 x 322  ) mm  = (  9.25 x 12.68 ) in
2194          'A4_SUPER'               => array(  649.134,   912.756), // = (  229 x 322  ) mm  = (  9.02 x 12.68 ) in
2195          'SUPER_A4'               => array(  643.465,  1009.134), // = (  227 x 356  ) mm  = (  8.94 x 14.02 ) in
2196          'A4_LONG'                => array(  595.276,   986.457), // = (  210 x 348  ) mm  = (  8.27 x 13.70 ) in
2197          'F4'                     => array(  595.276,   935.433), // = (  210 x 330  ) mm  = (  8.27 x 12.99 ) in
2198          'SO_B5_EXTRA'            => array(  572.598,   782.362), // = (  202 x 276  ) mm  = (  7.95 x 10.87 ) in
2199          'A5_EXTRA'               => array(  490.394,   666.142), // = (  173 x 235  ) mm  = (  6.81 x 9.25  ) in
2200          // ANSI Series
2201          'ANSI_E'                 => array( 2448.000,  3168.000), // = (  864 x 1118 ) mm  = ( 34.00 x 44.00 ) in
2202          'ANSI_D'                 => array( 1584.000,  2448.000), // = (  559 x 864  ) mm  = ( 22.00 x 34.00 ) in
2203          'ANSI_C'                 => array( 1224.000,  1584.000), // = (  432 x 559  ) mm  = ( 17.00 x 22.00 ) in
2204          'ANSI_B'                 => array(  792.000,  1224.000), // = (  279 x 432  ) mm  = ( 11.00 x 17.00 ) in
2205          'ANSI_A'                 => array(  612.000,   792.000), // = (  216 x 279  ) mm  = (  8.50 x 11.00 ) in
2206          // Traditional 'Loose' North American Paper Sizes
2207          'USLEDGER'               => array( 1224.000,   792.000), // = (  432 x 279  ) mm  = ( 17.00 x 11.00 ) in
2208          'LEDGER'                 => array( 1224.000,   792.000), // = (  432 x 279  ) mm  = ( 17.00 x 11.00 ) in
2209          'ORGANIZERK'             => array(  792.000,  1224.000), // = (  279 x 432  ) mm  = ( 11.00 x 17.00 ) in
2210          'BIBLE'                  => array(  792.000,  1224.000), // = (  279 x 432  ) mm  = ( 11.00 x 17.00 ) in
2211          'USTABLOID'              => array(  792.000,  1224.000), // = (  279 x 432  ) mm  = ( 11.00 x 17.00 ) in
2212          'TABLOID'                => array(  792.000,  1224.000), // = (  279 x 432  ) mm  = ( 11.00 x 17.00 ) in
2213          'ORGANIZERM'             => array(  612.000,   792.000), // = (  216 x 279  ) mm  = (  8.50 x 11.00 ) in
2214          'USLETTER'               => array(  612.000,   792.000), // = (  216 x 279  ) mm  = (  8.50 x 11.00 ) in
2215          'LETTER'                 => array(  612.000,   792.000), // = (  216 x 279  ) mm  = (  8.50 x 11.00 ) in
2216          'USLEGAL'                => array(  612.000,  1008.000), // = (  216 x 356  ) mm  = (  8.50 x 14.00 ) in
2217          'LEGAL'                  => array(  612.000,  1008.000), // = (  216 x 356  ) mm  = (  8.50 x 14.00 ) in
2218          'GOVERNMENTLETTER'       => array(  576.000,   756.000), // = (  203 x 267  ) mm  = (  8.00 x 10.50 ) in
2219          'GLETTER'                => array(  576.000,   756.000), // = (  203 x 267  ) mm  = (  8.00 x 10.50 ) in
2220          'JUNIORLEGAL'            => array(  576.000,   360.000), // = (  203 x 127  ) mm  = (  8.00 x 5.00  ) in
2221          'JLEGAL'                 => array(  576.000,   360.000), // = (  203 x 127  ) mm  = (  8.00 x 5.00  ) in
2222          // Other North American Paper Sizes
2223          'QUADDEMY'               => array( 2520.000,  3240.000), // = (  889 x 1143 ) mm  = ( 35.00 x 45.00 ) in
2224          'SUPER_B'                => array(  936.000,  1368.000), // = (  330 x 483  ) mm  = ( 13.00 x 19.00 ) in
2225          'QUARTO'                 => array(  648.000,   792.000), // = (  229 x 279  ) mm  = (  9.00 x 11.00 ) in
2226          'GOVERNMENTLEGAL'        => array(  612.000,   936.000), // = (  216 x 330  ) mm  = (  8.50 x 13.00 ) in
2227          'FOLIO'                  => array(  612.000,   936.000), // = (  216 x 330  ) mm  = (  8.50 x 13.00 ) in
2228          'MONARCH'                => array(  522.000,   756.000), // = (  184 x 267  ) mm  = (  7.25 x 10.50 ) in
2229          'EXECUTIVE'              => array(  522.000,   756.000), // = (  184 x 267  ) mm  = (  7.25 x 10.50 ) in
2230          'ORGANIZERL'             => array(  396.000,   612.000), // = (  140 x 216  ) mm  = (  5.50 x 8.50  ) in
2231          'STATEMENT'              => array(  396.000,   612.000), // = (  140 x 216  ) mm  = (  5.50 x 8.50  ) in
2232          'MEMO'                   => array(  396.000,   612.000), // = (  140 x 216  ) mm  = (  5.50 x 8.50  ) in
2233          'FOOLSCAP'               => array(  595.440,   936.000), // = (  210 x 330  ) mm  = (  8.27 x 13.00 ) in
2234          'COMPACT'                => array(  306.000,   486.000), // = (  108 x 171  ) mm  = (  4.25 x 6.75  ) in
2235          'ORGANIZERJ'             => array(  198.000,   360.000), // = (   70 x 127  ) mm  = (  2.75 x 5.00  ) in
2236          // Canadian standard CAN 2-9.60M
2237          'P1'                     => array( 1587.402,  2437.795), // = (  560 x 860  ) mm  = ( 22.05 x 33.86 ) in
2238          'P2'                     => array( 1218.898,  1587.402), // = (  430 x 560  ) mm  = ( 16.93 x 22.05 ) in
2239          'P3'                     => array(  793.701,  1218.898), // = (  280 x 430  ) mm  = ( 11.02 x 16.93 ) in
2240          'P4'                     => array(  609.449,   793.701), // = (  215 x 280  ) mm  = (  8.46 x 11.02 ) in
2241          'P5'                     => array(  396.850,   609.449), // = (  140 x 215  ) mm  = (  5.51 x 8.46  ) in
2242          'P6'                     => array(  303.307,   396.850), // = (  107 x 140  ) mm  = (  4.21 x 5.51  ) in
2243          // North American Architectural Sizes
2244          'ARCH_E'                 => array( 2592.000,  3456.000), // = (  914 x 1219 ) mm  = ( 36.00 x 48.00 ) in
2245          'ARCH_E1'                => array( 2160.000,  3024.000), // = (  762 x 1067 ) mm  = ( 30.00 x 42.00 ) in
2246          'ARCH_D'                 => array( 1728.000,  2592.000), // = (  610 x 914  ) mm  = ( 24.00 x 36.00 ) in
2247          'BROADSHEET'             => array( 1296.000,  1728.000), // = (  457 x 610  ) mm  = ( 18.00 x 24.00 ) in
2248          'ARCH_C'                 => array( 1296.000,  1728.000), // = (  457 x 610  ) mm  = ( 18.00 x 24.00 ) in
2249          'ARCH_B'                 => array(  864.000,  1296.000), // = (  305 x 457  ) mm  = ( 12.00 x 18.00 ) in
2250          'ARCH_A'                 => array(  648.000,   864.000), // = (  229 x 305  ) mm  = (  9.00 x 12.00 ) in
2251          // -- North American Envelope Sizes
2252          // - Announcement Envelopes
2253          'ANNENV_A2'              => array(  314.640,   414.000), // = (  111 x 146  ) mm  = (  4.37 x 5.75  ) in
2254          'ANNENV_A6'              => array(  342.000,   468.000), // = (  121 x 165  ) mm  = (  4.75 x 6.50  ) in
2255          'ANNENV_A7'              => array(  378.000,   522.000), // = (  133 x 184  ) mm  = (  5.25 x 7.25  ) in
2256          'ANNENV_A8'              => array(  396.000,   584.640), // = (  140 x 206  ) mm  = (  5.50 x 8.12  ) in
2257          'ANNENV_A10'             => array(  450.000,   692.640), // = (  159 x 244  ) mm  = (  6.25 x 9.62  ) in
2258          'ANNENV_SLIM'            => array(  278.640,   638.640), // = (   98 x 225  ) mm  = (  3.87 x 8.87  ) in
2259          // - Commercial Envelopes
2260          'COMMENV_N6_1/4'         => array(  252.000,   432.000), // = (   89 x 152  ) mm  = (  3.50 x 6.00  ) in
2261          'COMMENV_N6_3/4'         => array(  260.640,   468.000), // = (   92 x 165  ) mm  = (  3.62 x 6.50  ) in
2262          'COMMENV_N8'             => array(  278.640,   540.000), // = (   98 x 191  ) mm  = (  3.87 x 7.50  ) in
2263          'COMMENV_N9'             => array(  278.640,   638.640), // = (   98 x 225  ) mm  = (  3.87 x 8.87  ) in
2264          'COMMENV_N10'            => array(  296.640,   684.000), // = (  105 x 241  ) mm  = (  4.12 x 9.50  ) in
2265          'COMMENV_N11'            => array(  324.000,   746.640), // = (  114 x 263  ) mm  = (  4.50 x 10.37 ) in
2266          'COMMENV_N12'            => array(  342.000,   792.000), // = (  121 x 279  ) mm  = (  4.75 x 11.00 ) in
2267          'COMMENV_N14'            => array(  360.000,   828.000), // = (  127 x 292  ) mm  = (  5.00 x 11.50 ) in
2268          // - Catalogue Envelopes
2269          'CATENV_N1'              => array(  432.000,   648.000), // = (  152 x 229  ) mm  = (  6.00 x 9.00  ) in
2270          'CATENV_N1_3/4'          => array(  468.000,   684.000), // = (  165 x 241  ) mm  = (  6.50 x 9.50  ) in
2271          'CATENV_N2'              => array(  468.000,   720.000), // = (  165 x 254  ) mm  = (  6.50 x 10.00 ) in
2272          'CATENV_N3'              => array(  504.000,   720.000), // = (  178 x 254  ) mm  = (  7.00 x 10.00 ) in
2273          'CATENV_N6'              => array(  540.000,   756.000), // = (  191 x 267  ) mm  = (  7.50 x 10.50 ) in
2274          'CATENV_N7'              => array(  576.000,   792.000), // = (  203 x 279  ) mm  = (  8.00 x 11.00 ) in
2275          'CATENV_N8'              => array(  594.000,   810.000), // = (  210 x 286  ) mm  = (  8.25 x 11.25 ) in
2276          'CATENV_N9_1/2'          => array(  612.000,   756.000), // = (  216 x 267  ) mm  = (  8.50 x 10.50 ) in
2277          'CATENV_N9_3/4'          => array(  630.000,   810.000), // = (  222 x 286  ) mm  = (  8.75 x 11.25 ) in
2278          'CATENV_N10_1/2'         => array(  648.000,   864.000), // = (  229 x 305  ) mm  = (  9.00 x 12.00 ) in
2279          'CATENV_N12_1/2'         => array(  684.000,   900.000), // = (  241 x 318  ) mm  = (  9.50 x 12.50 ) in
2280          'CATENV_N13_1/2'         => array(  720.000,   936.000), // = (  254 x 330  ) mm  = ( 10.00 x 13.00 ) in
2281          'CATENV_N14_1/4'         => array(  810.000,   882.000), // = (  286 x 311  ) mm  = ( 11.25 x 12.25 ) in
2282          'CATENV_N14_1/2'         => array(  828.000,  1044.000), // = (  292 x 368  ) mm  = ( 11.50 x 14.50 ) in
2283          // Japanese (JIS P 0138-61) Standard B-Series
2284          'JIS_B0'                 => array( 2919.685,  4127.244), // = ( 1030 x 1456 ) mm  = ( 40.55 x 57.32 ) in
2285          'JIS_B1'                 => array( 2063.622,  2919.685), // = (  728 x 1030 ) mm  = ( 28.66 x 40.55 ) in
2286          'JIS_B2'                 => array( 1459.843,  2063.622), // = (  515 x 728  ) mm  = ( 20.28 x 28.66 ) in
2287          'JIS_B3'                 => array( 1031.811,  1459.843), // = (  364 x 515  ) mm  = ( 14.33 x 20.28 ) in
2288          'JIS_B4'                 => array(  728.504,  1031.811), // = (  257 x 364  ) mm  = ( 10.12 x 14.33 ) in
2289          'JIS_B5'                 => array(  515.906,   728.504), // = (  182 x 257  ) mm  = (  7.17 x 10.12 ) in
2290          'JIS_B6'                 => array(  362.835,   515.906), // = (  128 x 182  ) mm  = (  5.04 x 7.17  ) in
2291          'JIS_B7'                 => array(  257.953,   362.835), // = (   91 x 128  ) mm  = (  3.58 x 5.04  ) in
2292          'JIS_B8'                 => array(  181.417,   257.953), // = (   64 x 91   ) mm  = (  2.52 x 3.58  ) in
2293          'JIS_B9'                 => array(  127.559,   181.417), // = (   45 x 64   ) mm  = (  1.77 x 2.52  ) in
2294          'JIS_B10'                => array(   90.709,   127.559), // = (   32 x 45   ) mm  = (  1.26 x 1.77  ) in
2295          'JIS_B11'                => array(   62.362,    90.709), // = (   22 x 32   ) mm  = (  0.87 x 1.26  ) in
2296          'JIS_B12'                => array(   45.354,    62.362), // = (   16 x 22   ) mm  = (  0.63 x 0.87  ) in
2297          // PA Series
2298          'PA0'                    => array( 2381.102,  3174.803), // = (  840 x 1120 ) mm  = ( 33.07 x 44.09 ) in
2299          'PA1'                    => array( 1587.402,  2381.102), // = (  560 x 840  ) mm  = ( 22.05 x 33.07 ) in
2300          'PA2'                    => array( 1190.551,  1587.402), // = (  420 x 560  ) mm  = ( 16.54 x 22.05 ) in
2301          'PA3'                    => array(  793.701,  1190.551), // = (  280 x 420  ) mm  = ( 11.02 x 16.54 ) in
2302          'PA4'                    => array(  595.276,   793.701), // = (  210 x 280  ) mm  = (  8.27 x 11.02 ) in
2303          'PA5'                    => array(  396.850,   595.276), // = (  140 x 210  ) mm  = (  5.51 x 8.27  ) in
2304          'PA6'                    => array(  297.638,   396.850), // = (  105 x 140  ) mm  = (  4.13 x 5.51  ) in
2305          'PA7'                    => array(  198.425,   297.638), // = (   70 x 105  ) mm  = (  2.76 x 4.13  ) in
2306          'PA8'                    => array(  147.402,   198.425), // = (   52 x 70   ) mm  = (  2.05 x 2.76  ) in
2307          'PA9'                    => array(   99.213,   147.402), // = (   35 x 52   ) mm  = (  1.38 x 2.05  ) in
2308          'PA10'                   => array(   73.701,    99.213), // = (   26 x 35   ) mm  = (  1.02 x 1.38  ) in
2309          // Standard Photographic Print Sizes
2310          'PASSPORT_PHOTO'         => array(   99.213,   127.559), // = (   35 x 45   ) mm  = (  1.38 x 1.77  ) in
2311          'E'                      => array(  233.858,   340.157), // = (   82 x 120  ) mm  = (  3.25 x 4.72  ) in
2312          'L'                      => array(  252.283,   360.000), // = (   89 x 127  ) mm  = (  3.50 x 5.00  ) in
2313          '3R'                     => array(  252.283,   360.000), // = (   89 x 127  ) mm  = (  3.50 x 5.00  ) in
2314          'KG'                     => array(  289.134,   430.866), // = (  102 x 152  ) mm  = (  4.02 x 5.98  ) in
2315          '4R'                     => array(  289.134,   430.866), // = (  102 x 152  ) mm  = (  4.02 x 5.98  ) in
2316          '4D'                     => array(  340.157,   430.866), // = (  120 x 152  ) mm  = (  4.72 x 5.98  ) in
2317          '2L'                     => array(  360.000,   504.567), // = (  127 x 178  ) mm  = (  5.00 x 7.01  ) in
2318          '5R'                     => array(  360.000,   504.567), // = (  127 x 178  ) mm  = (  5.00 x 7.01  ) in
2319          '8P'                     => array(  430.866,   575.433), // = (  152 x 203  ) mm  = (  5.98 x 7.99  ) in
2320          '6R'                     => array(  430.866,   575.433), // = (  152 x 203  ) mm  = (  5.98 x 7.99  ) in
2321          '6P'                     => array(  575.433,   720.000), // = (  203 x 254  ) mm  = (  7.99 x 10.00 ) in
2322          '8R'                     => array(  575.433,   720.000), // = (  203 x 254  ) mm  = (  7.99 x 10.00 ) in
2323          '6PW'                    => array(  575.433,   864.567), // = (  203 x 305  ) mm  = (  7.99 x 12.01 ) in
2324          'S8R'                    => array(  575.433,   864.567), // = (  203 x 305  ) mm  = (  7.99 x 12.01 ) in
2325          '4P'                     => array(  720.000,   864.567), // = (  254 x 305  ) mm  = ( 10.00 x 12.01 ) in
2326          '10R'                    => array(  720.000,   864.567), // = (  254 x 305  ) mm  = ( 10.00 x 12.01 ) in
2327          '4PW'                    => array(  720.000,  1080.000), // = (  254 x 381  ) mm  = ( 10.00 x 15.00 ) in
2328          'S10R'                   => array(  720.000,  1080.000), // = (  254 x 381  ) mm  = ( 10.00 x 15.00 ) in
2329          '11R'                    => array(  790.866,  1009.134), // = (  279 x 356  ) mm  = ( 10.98 x 14.02 ) in
2330          'S11R'                   => array(  790.866,  1224.567), // = (  279 x 432  ) mm  = ( 10.98 x 17.01 ) in
2331          '12R'                    => array(  864.567,  1080.000), // = (  305 x 381  ) mm  = ( 12.01 x 15.00 ) in
2332          'S12R'                   => array(  864.567,  1292.598), // = (  305 x 456  ) mm  = ( 12.01 x 17.95 ) in
2333          // Common Newspaper Sizes
2334          'NEWSPAPER_BROADSHEET'   => array( 2125.984,  1700.787), // = (  750 x 600  ) mm  = ( 29.53 x 23.62 ) in
2335          'NEWSPAPER_BERLINER'     => array( 1332.283,   892.913), // = (  470 x 315  ) mm  = ( 18.50 x 12.40 ) in
2336          'NEWSPAPER_TABLOID'      => array( 1218.898,   793.701), // = (  430 x 280  ) mm  = ( 16.93 x 11.02 ) in
2337          'NEWSPAPER_COMPACT'      => array( 1218.898,   793.701), // = (  430 x 280  ) mm  = ( 16.93 x 11.02 ) in
2338          // Business Cards
2339          'CREDIT_CARD'            => array(  153.014,   242.646), // = (   54 x 86   ) mm  = (  2.13 x 3.37  ) in
2340          'BUSINESS_CARD'          => array(  153.014,   242.646), // = (   54 x 86   ) mm  = (  2.13 x 3.37  ) in
2341          'BUSINESS_CARD_ISO7810'  => array(  153.014,   242.646), // = (   54 x 86   ) mm  = (  2.13 x 3.37  ) in
2342          'BUSINESS_CARD_ISO216'   => array(  147.402,   209.764), // = (   52 x 74   ) mm  = (  2.05 x 2.91  ) in
2343          'BUSINESS_CARD_IT'       => array(  155.906,   240.945), // = (   55 x 85   ) mm  = (  2.17 x 3.35  ) in
2344          'BUSINESS_CARD_UK'       => array(  155.906,   240.945), // = (   55 x 85   ) mm  = (  2.17 x 3.35  ) in
2345          'BUSINESS_CARD_FR'       => array(  155.906,   240.945), // = (   55 x 85   ) mm  = (  2.17 x 3.35  ) in
2346          'BUSINESS_CARD_DE'       => array(  155.906,   240.945), // = (   55 x 85   ) mm  = (  2.17 x 3.35  ) in
2347          'BUSINESS_CARD_ES'       => array(  155.906,   240.945), // = (   55 x 85   ) mm  = (  2.17 x 3.35  ) in
2348          'BUSINESS_CARD_CA'       => array(  144.567,   252.283), // = (   51 x 89   ) mm  = (  2.01 x 3.50  ) in
2349          'BUSINESS_CARD_US'       => array(  144.567,   252.283), // = (   51 x 89   ) mm  = (  2.01 x 3.50  ) in
2350          'BUSINESS_CARD_JP'       => array(  155.906,   257.953), // = (   55 x 91   ) mm  = (  2.17 x 3.58  ) in
2351          'BUSINESS_CARD_HK'       => array(  153.071,   255.118), // = (   54 x 90   ) mm  = (  2.13 x 3.54  ) in
2352          'BUSINESS_CARD_AU'       => array(  155.906,   255.118), // = (   55 x 90   ) mm  = (  2.17 x 3.54  ) in
2353          'BUSINESS_CARD_DK'       => array(  155.906,   255.118), // = (   55 x 90   ) mm  = (  2.17 x 3.54  ) in
2354          'BUSINESS_CARD_SE'       => array(  155.906,   255.118), // = (   55 x 90   ) mm  = (  2.17 x 3.54  ) in
2355          'BUSINESS_CARD_RU'       => array(  141.732,   255.118), // = (   50 x 90   ) mm  = (  1.97 x 3.54  ) in
2356          'BUSINESS_CARD_CZ'       => array(  141.732,   255.118), // = (   50 x 90   ) mm  = (  1.97 x 3.54  ) in
2357          'BUSINESS_CARD_FI'       => array(  141.732,   255.118), // = (   50 x 90   ) mm  = (  1.97 x 3.54  ) in
2358          'BUSINESS_CARD_HU'       => array(  141.732,   255.118), // = (   50 x 90   ) mm  = (  1.97 x 3.54  ) in
2359          'BUSINESS_CARD_IL'       => array(  141.732,   255.118), // = (   50 x 90   ) mm  = (  1.97 x 3.54  ) in
2360          // Billboards
2361          '4SHEET'                 => array( 2880.000,  4320.000), // = ( 1016 x 1524 ) mm  = ( 40.00 x 60.00 ) in
2362          '6SHEET'                 => array( 3401.575,  5102.362), // = ( 1200 x 1800 ) mm  = ( 47.24 x 70.87 ) in
2363          '12SHEET'                => array( 8640.000,  4320.000), // = ( 3048 x 1524 ) mm  = (120.00 x 60.00 ) in
2364          '16SHEET'                => array( 5760.000,  8640.000), // = ( 2032 x 3048 ) mm  = ( 80.00 x 120.00) in
2365          '32SHEET'                => array(11520.000,  8640.000), // = ( 4064 x 3048 ) mm  = (160.00 x 120.00) in
2366          '48SHEET'                => array(17280.000,  8640.000), // = ( 6096 x 3048 ) mm  = (240.00 x 120.00) in
2367          '64SHEET'                => array(23040.000,  8640.000), // = ( 8128 x 3048 ) mm  = (320.00 x 120.00) in
2368          '96SHEET'                => array(34560.000,  8640.000), // = (12192 x 3048 ) mm  = (480.00 x 120.00) in
2369          // -- Old European Sizes
2370          // - Old Imperial English Sizes
2371          'EN_EMPEROR'             => array( 3456.000,  5184.000), // = ( 1219 x 1829 ) mm  = ( 48.00 x 72.00 ) in
2372          'EN_ANTIQUARIAN'         => array( 2232.000,  3816.000), // = (  787 x 1346 ) mm  = ( 31.00 x 53.00 ) in
2373          'EN_GRAND_EAGLE'         => array( 2070.000,  3024.000), // = (  730 x 1067 ) mm  = ( 28.75 x 42.00 ) in
2374          'EN_DOUBLE_ELEPHANT'     => array( 1926.000,  2880.000), // = (  679 x 1016 ) mm  = ( 26.75 x 40.00 ) in
2375          'EN_ATLAS'               => array( 1872.000,  2448.000), // = (  660 x 864  ) mm  = ( 26.00 x 34.00 ) in
2376          'EN_COLOMBIER'           => array( 1692.000,  2484.000), // = (  597 x 876  ) mm  = ( 23.50 x 34.50 ) in
2377          'EN_ELEPHANT'            => array( 1656.000,  2016.000), // = (  584 x 711  ) mm  = ( 23.00 x 28.00 ) in
2378          'EN_DOUBLE_DEMY'         => array( 1620.000,  2556.000), // = (  572 x 902  ) mm  = ( 22.50 x 35.50 ) in
2379          'EN_IMPERIAL'            => array( 1584.000,  2160.000), // = (  559 x 762  ) mm  = ( 22.00 x 30.00 ) in
2380          'EN_PRINCESS'            => array( 1548.000,  2016.000), // = (  546 x 711  ) mm  = ( 21.50 x 28.00 ) in
2381          'EN_CARTRIDGE'           => array( 1512.000,  1872.000), // = (  533 x 660  ) mm  = ( 21.00 x 26.00 ) in
2382          'EN_DOUBLE_LARGE_POST'   => array( 1512.000,  2376.000), // = (  533 x 838  ) mm  = ( 21.00 x 33.00 ) in
2383          'EN_ROYAL'               => array( 1440.000,  1800.000), // = (  508 x 635  ) mm  = ( 20.00 x 25.00 ) in
2384          'EN_SHEET'               => array( 1404.000,  1692.000), // = (  495 x 597  ) mm  = ( 19.50 x 23.50 ) in
2385          'EN_HALF_POST'           => array( 1404.000,  1692.000), // = (  495 x 597  ) mm  = ( 19.50 x 23.50 ) in
2386          'EN_SUPER_ROYAL'         => array( 1368.000,  1944.000), // = (  483 x 686  ) mm  = ( 19.00 x 27.00 ) in
2387          'EN_DOUBLE_POST'         => array( 1368.000,  2196.000), // = (  483 x 775  ) mm  = ( 19.00 x 30.50 ) in
2388          'EN_MEDIUM'              => array( 1260.000,  1656.000), // = (  445 x 584  ) mm  = ( 17.50 x 23.00 ) in
2389          'EN_DEMY'                => array( 1260.000,  1620.000), // = (  445 x 572  ) mm  = ( 17.50 x 22.50 ) in
2390          'EN_LARGE_POST'          => array( 1188.000,  1512.000), // = (  419 x 533  ) mm  = ( 16.50 x 21.00 ) in
2391          'EN_COPY_DRAUGHT'        => array( 1152.000,  1440.000), // = (  406 x 508  ) mm  = ( 16.00 x 20.00 ) in
2392          'EN_POST'                => array( 1116.000,  1386.000), // = (  394 x 489  ) mm  = ( 15.50 x 19.25 ) in
2393          'EN_CROWN'               => array( 1080.000,  1440.000), // = (  381 x 508  ) mm  = ( 15.00 x 20.00 ) in
2394          'EN_PINCHED_POST'        => array( 1062.000,  1332.000), // = (  375 x 470  ) mm  = ( 14.75 x 18.50 ) in
2395          'EN_BRIEF'               => array(  972.000,  1152.000), // = (  343 x 406  ) mm  = ( 13.50 x 16.00 ) in
2396          'EN_FOOLSCAP'            => array(  972.000,  1224.000), // = (  343 x 432  ) mm  = ( 13.50 x 17.00 ) in
2397          'EN_SMALL_FOOLSCAP'      => array(  954.000,  1188.000), // = (  337 x 419  ) mm  = ( 13.25 x 16.50 ) in
2398          'EN_POTT'                => array(  900.000,  1080.000), // = (  318 x 381  ) mm  = ( 12.50 x 15.00 ) in
2399          // - Old Imperial Belgian Sizes
2400          'BE_GRAND_AIGLE'         => array( 1984.252,  2948.031), // = (  700 x 1040 ) mm  = ( 27.56 x 40.94 ) in
2401          'BE_COLOMBIER'           => array( 1757.480,  2409.449), // = (  620 x 850  ) mm  = ( 24.41 x 33.46 ) in
2402          'BE_DOUBLE_CARRE'        => array( 1757.480,  2607.874), // = (  620 x 920  ) mm  = ( 24.41 x 36.22 ) in
2403          'BE_ELEPHANT'            => array( 1746.142,  2182.677), // = (  616 x 770  ) mm  = ( 24.25 x 30.31 ) in
2404          'BE_PETIT_AIGLE'         => array( 1700.787,  2381.102), // = (  600 x 840  ) mm  = ( 23.62 x 33.07 ) in
2405          'BE_GRAND_JESUS'         => array( 1559.055,  2069.291), // = (  550 x 730  ) mm  = ( 21.65 x 28.74 ) in
2406          'BE_JESUS'               => array( 1530.709,  2069.291), // = (  540 x 730  ) mm  = ( 21.26 x 28.74 ) in
2407          'BE_RAISIN'              => array( 1417.323,  1842.520), // = (  500 x 650  ) mm  = ( 19.69 x 25.59 ) in
2408          'BE_GRAND_MEDIAN'        => array( 1303.937,  1714.961), // = (  460 x 605  ) mm  = ( 18.11 x 23.82 ) in
2409          'BE_DOUBLE_POSTE'        => array( 1233.071,  1601.575), // = (  435 x 565  ) mm  = ( 17.13 x 22.24 ) in
2410          'BE_COQUILLE'            => array( 1218.898,  1587.402), // = (  430 x 560  ) mm  = ( 16.93 x 22.05 ) in
2411          'BE_PETIT_MEDIAN'        => array( 1176.378,  1502.362), // = (  415 x 530  ) mm  = ( 16.34 x 20.87 ) in
2412          'BE_RUCHE'               => array( 1020.472,  1303.937), // = (  360 x 460  ) mm  = ( 14.17 x 18.11 ) in
2413          'BE_PROPATRIA'           => array(  977.953,  1218.898), // = (  345 x 430  ) mm  = ( 13.58 x 16.93 ) in
2414          'BE_LYS'                 => array(  898.583,  1125.354), // = (  317 x 397  ) mm  = ( 12.48 x 15.63 ) in
2415          'BE_POT'                 => array(  870.236,  1088.504), // = (  307 x 384  ) mm  = ( 12.09 x 15.12 ) in
2416          'BE_ROSETTE'             => array(  765.354,   983.622), // = (  270 x 347  ) mm  = ( 10.63 x 13.66 ) in
2417          // - Old Imperial French Sizes
2418          'FR_UNIVERS'             => array( 2834.646,  3685.039), // = ( 1000 x 1300 ) mm  = ( 39.37 x 51.18 ) in
2419          'FR_DOUBLE_COLOMBIER'    => array( 2551.181,  3571.654), // = (  900 x 1260 ) mm  = ( 35.43 x 49.61 ) in
2420          'FR_GRANDE_MONDE'        => array( 2551.181,  3571.654), // = (  900 x 1260 ) mm  = ( 35.43 x 49.61 ) in
2421          'FR_DOUBLE_SOLEIL'       => array( 2267.717,  3401.575), // = (  800 x 1200 ) mm  = ( 31.50 x 47.24 ) in
2422          'FR_DOUBLE_JESUS'        => array( 2154.331,  3174.803), // = (  760 x 1120 ) mm  = ( 29.92 x 44.09 ) in
2423          'FR_GRAND_AIGLE'         => array( 2125.984,  3004.724), // = (  750 x 1060 ) mm  = ( 29.53 x 41.73 ) in
2424          'FR_PETIT_AIGLE'         => array( 1984.252,  2664.567), // = (  700 x 940  ) mm  = ( 27.56 x 37.01 ) in
2425          'FR_DOUBLE_RAISIN'       => array( 1842.520,  2834.646), // = (  650 x 1000 ) mm  = ( 25.59 x 39.37 ) in
2426          'FR_JOURNAL'             => array( 1842.520,  2664.567), // = (  650 x 940  ) mm  = ( 25.59 x 37.01 ) in
2427          'FR_COLOMBIER_AFFICHE'   => array( 1785.827,  2551.181), // = (  630 x 900  ) mm  = ( 24.80 x 35.43 ) in
2428          'FR_DOUBLE_CAVALIER'     => array( 1757.480,  2607.874), // = (  620 x 920  ) mm  = ( 24.41 x 36.22 ) in
2429          'FR_CLOCHE'              => array( 1700.787,  2267.717), // = (  600 x 800  ) mm  = ( 23.62 x 31.50 ) in
2430          'FR_SOLEIL'              => array( 1700.787,  2267.717), // = (  600 x 800  ) mm  = ( 23.62 x 31.50 ) in
2431          'FR_DOUBLE_CARRE'        => array( 1587.402,  2551.181), // = (  560 x 900  ) mm  = ( 22.05 x 35.43 ) in
2432          'FR_DOUBLE_COQUILLE'     => array( 1587.402,  2494.488), // = (  560 x 880  ) mm  = ( 22.05 x 34.65 ) in
2433          'FR_JESUS'               => array( 1587.402,  2154.331), // = (  560 x 760  ) mm  = ( 22.05 x 29.92 ) in
2434          'FR_RAISIN'              => array( 1417.323,  1842.520), // = (  500 x 650  ) mm  = ( 19.69 x 25.59 ) in
2435          'FR_CAVALIER'            => array( 1303.937,  1757.480), // = (  460 x 620  ) mm  = ( 18.11 x 24.41 ) in
2436          'FR_DOUBLE_COURONNE'     => array( 1303.937,  2040.945), // = (  460 x 720  ) mm  = ( 18.11 x 28.35 ) in
2437          'FR_CARRE'               => array( 1275.591,  1587.402), // = (  450 x 560  ) mm  = ( 17.72 x 22.05 ) in
2438          'FR_COQUILLE'            => array( 1247.244,  1587.402), // = (  440 x 560  ) mm  = ( 17.32 x 22.05 ) in
2439          'FR_DOUBLE_TELLIERE'     => array( 1247.244,  1927.559), // = (  440 x 680  ) mm  = ( 17.32 x 26.77 ) in
2440          'FR_DOUBLE_CLOCHE'       => array( 1133.858,  1700.787), // = (  400 x 600  ) mm  = ( 15.75 x 23.62 ) in
2441          'FR_DOUBLE_POT'          => array( 1133.858,  1757.480), // = (  400 x 620  ) mm  = ( 15.75 x 24.41 ) in
2442          'FR_ECU'                 => array( 1133.858,  1474.016), // = (  400 x 520  ) mm  = ( 15.75 x 20.47 ) in
2443          'FR_COURONNE'            => array( 1020.472,  1303.937), // = (  360 x 460  ) mm  = ( 14.17 x 18.11 ) in
2444          'FR_TELLIERE'            => array(  963.780,  1247.244), // = (  340 x 440  ) mm  = ( 13.39 x 17.32 ) in
2445          'FR_POT'                 => array(  878.740,  1133.858), // = (  310 x 400  ) mm  = ( 12.20 x 15.75 ) in
2446      );
2447  
2448  
2449      /**
2450       * Get page dimensions from format name.
2451       * @param $format (mixed) The format name @see self::$page_format<ul>
2452       * @return array containing page width and height in points
2453       * @since 5.0.010 (2010-05-17)
2454       * @public static
2455       */
2456  	public static function getPageSizeFromFormat($format) {
2457          if (isset(self::$page_formats[$format])) {
2458              return self::$page_formats[$format];
2459          }
2460          return self::$page_formats['A4'];
2461      }
2462  
2463      /**
2464       * Set page boundaries.
2465       * @param $page (int) page number
2466       * @param $type (string) valid values are: <ul><li>'MediaBox' : the boundaries of the physical medium on which the page shall be displayed or printed;</li><li>'CropBox' : the visible region of default user space;</li><li>'BleedBox' : the region to which the contents of the page shall be clipped when output in a production environment;</li><li>'TrimBox' : the intended dimensions of the finished page after trimming;</li><li>'ArtBox' : the page's meaningful content (including potential white space).</li></ul>
2467       * @param $llx (float) lower-left x coordinate in user units.
2468       * @param $lly (float) lower-left y coordinate in user units.
2469       * @param $urx (float) upper-right x coordinate in user units.
2470       * @param $ury (float) upper-right y coordinate in user units.
2471       * @param $points (boolean) If true uses user units as unit of measure, otherwise uses PDF points.
2472       * @param $k (float) Scale factor (number of points in user unit).
2473       * @param $pagedim (array) Array of page dimensions.
2474       * @return pagedim array of page dimensions.
2475       * @since 5.0.010 (2010-05-17)
2476       * @public static
2477       */
2478  	public static function setPageBoxes($page, $type, $llx, $lly, $urx, $ury, $points=false, $k, $pagedim=array()) {
2479          if (!isset($pagedim[$page])) {
2480              // initialize array
2481              $pagedim[$page] = array();
2482          }
2483          if (!in_array($type, self::$pageboxes)) {
2484              return;
2485          }
2486          if ($points) {
2487              $k = 1;
2488          }
2489          $pagedim[$page][$type]['llx'] = ($llx * $k);
2490          $pagedim[$page][$type]['lly'] = ($lly * $k);
2491          $pagedim[$page][$type]['urx'] = ($urx * $k);
2492          $pagedim[$page][$type]['ury'] = ($ury * $k);
2493          return $pagedim;
2494      }
2495  
2496      /**
2497       * Swap X and Y coordinates of page boxes (change page boxes orientation).
2498       * @param $page (int) page number
2499       * @param $pagedim (array) Array of page dimensions.
2500       * @return pagedim array of page dimensions.
2501       * @since 5.0.010 (2010-05-17)
2502       * @public static
2503       */
2504  	public static function swapPageBoxCoordinates($page, $pagedim) {
2505          foreach (self::$pageboxes as $type) {
2506              // swap X and Y coordinates
2507              if (isset($pagedim[$page][$type])) {
2508                  $tmp = $pagedim[$page][$type]['llx'];
2509                  $pagedim[$page][$type]['llx'] = $pagedim[$page][$type]['lly'];
2510                  $pagedim[$page][$type]['lly'] = $tmp;
2511                  $tmp = $pagedim[$page][$type]['urx'];
2512                  $pagedim[$page][$type]['urx'] = $pagedim[$page][$type]['ury'];
2513                  $pagedim[$page][$type]['ury'] = $tmp;
2514              }
2515          }
2516          return $pagedim;
2517      }
2518  
2519      /**
2520       * Get the canonical page layout mode.
2521       * @param $layout (string) The page layout. Possible values are:<ul><li>SinglePage Display one page at a time</li><li>OneColumn Display the pages in one column</li><li>TwoColumnLeft Display the pages in two columns, with odd-numbered pages on the left</li><li>TwoColumnRight Display the pages in two columns, with odd-numbered pages on the right</li><li>TwoPageLeft (PDF 1.5) Display the pages two at a time, with odd-numbered pages on the left</li><li>TwoPageRight (PDF 1.5) Display the pages two at a time, with odd-numbered pages on the right</li></ul>
2522       * @return (string) Canonical page layout name.
2523       * @public static
2524       */
2525  	public static function getPageLayoutMode($layout='SinglePage') {
2526          switch ($layout) {
2527              case 'default':
2528              case 'single':
2529              case 'SinglePage': {
2530                  $layout_mode = 'SinglePage';
2531                  break;
2532              }
2533              case 'continuous':
2534              case 'OneColumn': {
2535                  $layout_mode = 'OneColumn';
2536                  break;
2537              }
2538              case 'two':
2539              case 'TwoColumnLeft': {
2540                  $layout_mode = 'TwoColumnLeft';
2541                  break;
2542              }
2543              case 'TwoColumnRight': {
2544                  $layout_mode = 'TwoColumnRight';
2545                  break;
2546              }
2547              case 'TwoPageLeft': {
2548                  $layout_mode = 'TwoPageLeft';
2549                  break;
2550              }
2551              case 'TwoPageRight': {
2552                  $layout_mode = 'TwoPageRight';
2553                  break;
2554              }
2555              default: {
2556                  $layout_mode = 'SinglePage';
2557              }
2558          }
2559          return $layout_mode;
2560      }
2561  
2562      /**
2563       * Get the canonical page layout mode.
2564       * @param $mode (string) A name object specifying how the document should be displayed when opened:<ul><li>UseNone Neither document outline nor thumbnail images visible</li><li>UseOutlines Document outline visible</li><li>UseThumbs Thumbnail images visible</li><li>FullScreen Full-screen mode, with no menu bar, window controls, or any other window visible</li><li>UseOC (PDF 1.5) Optional content group panel visible</li><li>UseAttachments (PDF 1.6) Attachments panel visible</li></ul>
2565       * @return (string) Canonical page mode name.
2566       * @public static
2567       */
2568  	public static function getPageMode($mode='UseNone') {
2569          switch ($mode) {
2570              case 'UseNone': {
2571                  $page_mode = 'UseNone';
2572                  break;
2573              }
2574              case 'UseOutlines': {
2575                  $page_mode = 'UseOutlines';
2576                  break;
2577              }
2578              case 'UseThumbs': {
2579                  $page_mode = 'UseThumbs';
2580                  break;
2581              }
2582              case 'FullScreen': {
2583                  $page_mode = 'FullScreen';
2584                  break;
2585              }
2586              case 'UseOC': {
2587                  $page_mode = 'UseOC';
2588                  break;
2589              }
2590              case '': {
2591                  $page_mode = 'UseAttachments';
2592                  break;
2593              }
2594              default: {
2595                  $page_mode = 'UseNone';
2596              }
2597          }
2598          return $page_mode;
2599      }
2600  
2601  
2602  } // END OF TCPDF_STATIC CLASS
2603  
2604  //============================================================+
2605  // END OF FILE
2606  //============================================================+


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