GIF89a=( �' 7IAXKgNgYvYx\%wh&h}t�h%�s%x�}9�R��&�0%� (�.��5�SD��&�a)�x5��;ͣ*ȡ&ղ)ׯ7׵<ѻ4�3�H֧KͯT��Y�aq��q��F� !� ' !� NETSCAPE2.0 , =( ��pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g���E�������R���E����B�� ��ȸ��D���"�Ů� �H��L��D٫D�B�����D���T���H �G��A R�ڐ |�� ٭&��E8�S�kG�A�px�a��� R2XB��E8I���6X�:vT)�~��q�賥��"F~%x� � 4#Z�0O|-4Bs�X:= Q� Sal��yXJ`GȦ|s h��K3l7�B|�$'7Jީܪ0!��D�n=�P� ����0`�R�lj����v>���5 �.69�ϸd�����nlv�9��f{���Pbx �l5}�p� ��� �3a���I�O����!ܾ���i��9��#��)p�a ޽ �{�)vm��%D~ 6f��s}Œ�D�W E�`!� �&L8x� �ܝ{)x`X/>�}m��R�*|`D�=�_ ^�5 !_&'a�O�7�c��`DCx`�¥�9�Y�F���`?��"� �n@`�} lď��@4>�d S �v�xN��"@~d��=�g�s~G��� ���ud &p8Q�)ƫlXD����A~H�ySun�j���k*D�LH�] ��C"J��Xb~ʪwSt}6K,��q�S:9ت:���l�@�`�� �.۬�t9�S�[:��=`9N����{¿�A !R�:���6��x�0�_ �;������^���#����!����U���;0L1�����p% A��U̬ݵ��%�S��!���~`�G���� ���=4�np�3���������u�u�ٮ|%2�I��r�#0��J``8�@S@5� ���^`8E�]�.�S���7 � �0�j S�D� z���i�S�����!���l��w9*�D�I�nEX��� &A�Go�Qf��F��;���}�J����F5��Q|���X��T��y���]� o ��C=��:���PB@ D׽S�(>�C�x}`��xJЬ�۠��p+eE0`�}`A �/NE�� �9@��� H�7�!%B0`�l*��!8 2�%� �:�1�0E��ux%nP1�!�C)�P81l�ɸF#Ƭ{����B0>�� �b�`��O3��()yRpb��E.ZD8�H@% �Rx+%���c� ���f��b�d�`F�"8�XH"��-�|1�6iI, 2�$+](A*j� QT�o0.�U�`�R�}`�SN����yae�����b��o~ S)�y�@��3 �tT�0�&�+~L�f"�-|�~��>!�v��~�\Q1)}@�}h#aP72�"�$ !� " , =( &7IAXG]KgNgYvYxR"k\%w]'}h}t�h%�g+�s%r.m3ax3�x�}9��&��+�!7�0%� (�.�SD��&��;�"&ײ)׻4��6�K� �@pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g �� E �� �������E �´��C���ǶR��D��"Ʒ�ʱH��M��GڬD�B����D��T����G���C�C� l&�~:'�tU�6ɹ#��)�'�.6�&��Ȼ K(8p0N�?!�2"��NIJX>R��OM '��2�*x�>#n� �@<[:�I�f ��T���Cdb��[�}E�5MBo��@�`@��tW-3 �x�B���jI�&E�9[T&$��ﯧ&"s��ȳ����dc�UUρ#���ldj?����`\}���u|3'�R]�6 �S#�!�FKL�*N E���`$�:e�YD�q�.�촁�s \-�jA 9�����-��M[�x(�s��x�|���p��}k�T�DpE@W� ��]k`1� ���Yb ��0l��*n0��"~zBd�~u�7�0Bl��0-�x~|U�U0 �h�*HS�|��e"#"?vp�i`e6^�+q��`m8 #V�� ��VS|`��"m"сSn|@:U���~`pb�G�ED����2F�I�? >�x� R� ��%~jx��<�a�9ij�2�D��&: Z`�]w���:�6��B�7eFJ|�ҧ�,���FǮcS�ʶ+B�,�ܺN���>PAD�HD��~���n��}�#�� Q��S���2�X�{�k�lQ�2�����w�|2� h9��G�,m���3��6-��E�L��I�³*K���q�`DwV�QXS��peS��� qܧTS����R�u �<�a�*At�lmE� � ��N[P1�ۦ��$��@`��Dpy�yXvCAy�B`}D� 0QwG#� �a[^�� $���Ǧ{L�"[��K�g�;�S~��GX.�goT.��ư��x���?1z��x~:�g�|�L� ��S`��0S]P�^p F<""�?!,�!N4&P� ����:T�@h�9%t��:�-~�I<`�9p I&.)^ 40D#p@�j4�ج:�01��rܼF2oW�#Z ;$Q q  �K��Nl#29 !F@�Bh�ᏬL!XF�LHKh�.�hE&J�G��<"WN!�����Y@� >R~19J"�2,/ &.GXB%�R�9B6�W]���W�I�$��9�RE8Y� ��"�A5�Q.axB�&ة�J�! �t)K%tS-�JF b�NMxL��)�R��"���6O!TH�H� 0 !� ) , =( &AXKgNgYvYxR"k\%wh&h}h%�g+�s%r.x3�x�}9��&��+�R,�!7�0%� (�.��5��&�a)��;�"&ף*Ȳ)ׯ7׻4�3��6�H֧KͻH�T��Y��q��h� ��pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g �� E$����� � ����$E$��"��D� � ������R��C��� E ��H�M��G�D� �B��ϾD��a��`1r��Ӑ�� �o~�zU!L�C'�yW�UGt����ll�0���uG�)A�s[��x� �xO%��X2�  P�n:R/��aHae+�Dm?# ǣ6�8�J�x�Di�M���j���5oQ7�- <! *�l��R2r/a!l)d� A"�E���� &� ;��c �%����b��pe~C"B���H�eF2��`8qb�t_`ur`e� w�u3��Pv�h""�`�Íx�LĹ��3� �~ֺ�:���MDfJ� �۵�W�%�S�X �؁)�@��:E��w�u�Sxb8y\m�zS��Zb�E�L��w!y(>�"w�=�|��s�d �C�W)H�cC$�L �7r.�\{)@�`@ �X�$PD `aaG:���O�72E�amn]�"Rc�x�R� &dR8`g��i�xLR!�P &d����T���i�|�_ � Qi�#�`g:��:noM� :V �)p����W&a=�e�k� j���1߲s�x�W�jal|0��B0�, \j۴:6���C ��W��|��9���zĸV {�;��n��V�m�I��.��PN� ����C��+��By�ѾHŸ:��� 7�Y�FTk�SaoaY$D�S���29R�kt� ��f� ��:��Sp�3�I��DZ� �9���g��u�*3)O��[_hv ,���Et x�BH� �[��64M@�S�M7d�l�ܶ5-��U܍��z�R3Ԭ3~ ��P��5�g: ���kN�&0�j4���#{��3S�2�K�'ợl���2K{� {۶?~m𸧠�I�nE�='����^���_�=��~�#O���'���o..�Y�n��CSO��a��K��o,���b�����{�C�� "�{�K ��w��Ozdը�:$ ���v�] A#� ���a�z)Rx׿ƥ�d``�w-�y�f�K!����|��P��=�`�(f��'Pa ��BJa%��f�%`�}F����6>��`G"�}�=�!o`�^FP�ةQ�C���`(�}\�ݮ ��$<��n@dĠE#��U�I�!� #l��9`k���'Rr��Z�NB�MF �[�+9���-�wj���8�r� ,V�h"�|�S=�G_��"E� 0i*%̲��da0mVk�):;&6p>�jK ��# �D�:�c?:R Ӭf��I-�"�<�="��7�3S��c2RW ,�8(T"P0F¡Jh�" ; 403WebShell
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Current File : /htdocs/vendor/thujohn/pdf/src/Thujohn/Pdf/dompdf/include/functions.inc.php
<?php
/**
 * @package dompdf
 * @link    http://dompdf.github.com/
 * @author  Benj Carson <benjcarson@digitaljunkies.ca>
 * @author  Helmut Tischer <htischer@weihenstephan.org>
 * @author  Fabien Ménager <fabien.menager@gmail.com>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */

if ( !defined('PHP_VERSION_ID') ) {
  $version = explode('.', PHP_VERSION);
  define('PHP_VERSION_ID', ($version[0] * 10000 + $version[1] * 100 + $version[2]));
}

/**
 * Defined a constant if not already defined
 *
 * @param string $name  The constant name
 * @param mixed  $value The value
 */
function def($name, $value = true) {
  if ( !defined($name) ) {
    define($name, $value);
  }
}

if ( !function_exists("pre_r") ) {
/**
 * print_r wrapper for html/cli output
 *
 * Wraps print_r() output in < pre > tags if the current sapi is not 'cli'.
 * Returns the output string instead of displaying it if $return is true.
 *
 * @param mixed $mixed variable or expression to display
 * @param bool $return
 *
 * @return string
 */
function pre_r($mixed, $return = false) {
  if ( $return ) {
    return "<pre>" . print_r($mixed, true) . "</pre>";
  }

  if ( php_sapi_name() !== "cli" ) {
    echo "<pre>";
  }
  
  print_r($mixed);

  if ( php_sapi_name() !== "cli" ) {
    echo "</pre>";
  }
  else {
    echo "\n";
  }
  
  flush();

}
}

if ( !function_exists("pre_var_dump") ) {
/**
 * var_dump wrapper for html/cli output
 *
 * Wraps var_dump() output in < pre > tags if the current sapi is not 'cli'.
 *
 * @param mixed $mixed variable or expression to display.
 */
function pre_var_dump($mixed) {
  if ( php_sapi_name() !== "cli" ) {
    echo "<pre>";
  }
    
  var_dump($mixed);
  
  if ( php_sapi_name() !== "cli" ) {
    echo "</pre>";
  }
}
}

if ( !function_exists("d") ) {
/**
 * generic debug function
 *
 * Takes everything and does its best to give a good debug output
 *
 * @param mixed $mixed variable or expression to display.
 */
function d($mixed) {
  if ( php_sapi_name() !== "cli" ) {
    echo "<pre>";
  }
    
  // line
  if ( $mixed instanceof Line_Box ) {
    echo $mixed;
  }
  
  // other
  else {
    var_export($mixed);
  }
  
  if ( php_sapi_name() !== "cli" ) {
    echo "</pre>";
  }
}
}

/**
 * builds a full url given a protocol, hostname, base path and url
 *
 * @param string $protocol
 * @param string $host
 * @param string $base_path
 * @param string $url
 * @return string
 *
 * Initially the trailing slash of $base_path was optional, and conditionally appended.
 * However on dynamically created sites, where the page is given as url parameter,
 * the base path might not end with an url.
 * Therefore do not append a slash, and **require** the $base_url to ending in a slash
 * when needed.
 * Vice versa, on using the local file system path of a file, make sure that the slash
 * is appended (o.k. also for Windows)
 */
function build_url($protocol, $host, $base_path, $url) {
  if ( strlen($url) == 0 ) {
    //return $protocol . $host . rtrim($base_path, "/\\") . "/";
    return $protocol . $host . $base_path;
  }

  // Is the url already fully qualified or a Data URI?
  if ( mb_strpos($url, "://") !== false || mb_strpos($url, "data:") === 0 ) {
    return $url;
  }

  $ret = $protocol;

  if ( !in_array(mb_strtolower($protocol), array("http://", "https://", "ftp://", "ftps://")) ) {
    //On Windows local file, an abs path can begin also with a '\' or a drive letter and colon
    //drive: followed by a relative path would be a drive specific default folder.
    //not known in php app code, treat as abs path
    //($url[1] !== ':' || ($url[2]!=='\\' && $url[2]!=='/'))
    if ( $url[0] !== '/' && (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' || ($url[0] !== '\\' && $url[1] !== ':')) ) {
      // For rel path and local acess we ignore the host, and run the path through realpath()
      $ret .= realpath($base_path).'/';
    }
    $ret .= $url;
    $ret = preg_replace('/\?(.*)$/', "", $ret);
    return $ret;
  }

  //remote urls with backslash in html/css are not really correct, but lets be genereous
  if ( $url[0] === '/' || $url[0] === '\\' ) {
    // Absolute path
    $ret .= $host . $url;
  }
  else {
    // Relative path
    //$base_path = $base_path !== "" ? rtrim($base_path, "/\\") . "/" : "";
    $ret .= $host . $base_path . $url;
  }

  return $ret;

}

/**
 * parse a full url or pathname and return an array(protocol, host, path,
 * file + query + fragment)
 *
 * @param string $url
 * @return array
 */
function explode_url($url) {
  $protocol = "";
  $host = "";
  $path = "";
  $file = "";

  $arr = parse_url($url);

  // Exclude windows drive letters...
  if ( isset($arr["scheme"]) && $arr["scheme"] !== "file" && strlen($arr["scheme"]) > 1 ) {
    $protocol = $arr["scheme"] . "://";

    if ( isset($arr["user"]) ) {
      $host .= $arr["user"];

      if ( isset($arr["pass"]) ) {
        $host .= ":" . $arr["pass"];
      }

      $host .= "@";
    }

    if ( isset($arr["host"]) ) {
      $host .= $arr["host"];
    }

    if ( isset($arr["port"]) ) {
      $host .= ":" . $arr["port"];
    }

    if ( isset($arr["path"]) && $arr["path"] !== "" ) {
      // Do we have a trailing slash?
      if ( $arr["path"][ mb_strlen($arr["path"]) - 1 ] === "/" ) {
        $path = $arr["path"];
        $file = "";
      }
      else {
        $path = rtrim(dirname($arr["path"]), '/\\') . "/";
        $file = basename($arr["path"]);
      }
    }

    if ( isset($arr["query"]) ) {
      $file .= "?" . $arr["query"];
    }

    if ( isset($arr["fragment"]) ) {
      $file .= "#" . $arr["fragment"];
    }

  }
  else {

    $i = mb_strpos($url, "file://");
    if ( $i !== false ) {
      $url = mb_substr($url, $i + 7);
    }

    $protocol = ""; // "file://"; ? why doesn't this work... It's because of
                    // network filenames like //COMPU/SHARENAME

    $host = ""; // localhost, really
    $file = basename($url);

    $path = dirname($url);

    // Check that the path exists
    if ( $path !== false ) {
      $path .= '/';

    }
    else {
      // generate a url to access the file if no real path found.
      $protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://';

      $host = isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : php_uname("n");

      if ( substr($arr["path"], 0, 1) === '/' ) {
        $path = dirname($arr["path"]);
      }
      else {
        $path = '/' . rtrim(dirname($_SERVER["SCRIPT_NAME"]), '/') . '/' . $arr["path"];
      }
    }
  }

  $ret = array($protocol, $host, $path, $file,
               "protocol" => $protocol,
               "host" => $host,
               "path" => $path,
               "file" => $file);
  return $ret;
}

/**
 * Converts decimal numbers to roman numerals
 *
 * @param int $num
 *
 * @throws DOMPDF_Exception
 * @return string
 */
function dec2roman($num) {

  static $ones = array("", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix");
  static $tens = array("", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc");
  static $hund = array("", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm");
  static $thou = array("", "m", "mm", "mmm");

  if ( !is_numeric($num) ) {
    throw new DOMPDF_Exception("dec2roman() requires a numeric argument.");
  }

  if ( $num > 4000 || $num < 0 ) {
    return "(out of range)";
  }

  $num = strrev((string)$num);

  $ret = "";
  switch (mb_strlen($num)) {
    case 4: $ret .= $thou[$num[3]];
    case 3: $ret .= $hund[$num[2]];
    case 2: $ret .= $tens[$num[1]];
    case 1: $ret .= $ones[$num[0]];
    default: break;
  }
  
  return $ret;
}

/**
 * Determines whether $value is a percentage or not
 *
 * @param float $value
 *
 * @return bool
 */
function is_percent($value) {
  return false !== mb_strpos($value, "%");
}

/**
 * Parses a data URI scheme
 * http://en.wikipedia.org/wiki/Data_URI_scheme
 *
 * @param string $data_uri The data URI to parse
 *
 * @return array The result with charset, mime type and decoded data
 */
function parse_data_uri($data_uri) {
  if (!preg_match('/^data:(?P<mime>[a-z0-9\/+-.]+)(;charset=(?P<charset>[a-z0-9-])+)?(?P<base64>;base64)?\,(?P<data>.*)?/i', $data_uri, $match)) {
    return false;
  }
  
  $match['data'] = rawurldecode($match['data']);
  $result = array(
    'charset' => $match['charset'] ? $match['charset'] : 'US-ASCII',
    'mime'    => $match['mime'] ? $match['mime'] : 'text/plain',
    'data'    => $match['base64'] ? base64_decode($match['data']) : $match['data'],
  );
  
  return $result;
}

/**
 * mb_string compatibility
 */
if ( !function_exists("mb_strlen") ) {
  define('MB_OVERLOAD_MAIL', 1);
  define('MB_OVERLOAD_STRING', 2);
  define('MB_OVERLOAD_REGEX', 4);
  define('MB_CASE_UPPER', 0);
  define('MB_CASE_LOWER', 1);
  define('MB_CASE_TITLE', 2);

  function mb_convert_encoding($data, $to_encoding, $from_encoding = 'UTF-8') {
    if (str_replace('-', '', strtolower($to_encoding)) === 'utf8') {
      return utf8_encode($data);
    }
    
    return utf8_decode($data);
  }
  
  function mb_detect_encoding($data, $encoding_list = array('iso-8859-1'), $strict = false) {
    return 'iso-8859-1';
  }
  
  function mb_detect_order($encoding_list = array('iso-8859-1')) {
    return 'iso-8859-1';
  }
  
  function mb_internal_encoding($encoding = null) {
    if (isset($encoding)) {
      return true;
    }
    
    return 'iso-8859-1';
  }

  function mb_strlen($str, $encoding = 'iso-8859-1') {
    switch (str_replace('-', '', strtolower($encoding))) {
      case "utf8": return strlen(utf8_encode($str));
      case "8bit": return strlen($str);
      default:     return strlen(utf8_decode($str));
    }
  }
  
  function mb_strpos($haystack, $needle, $offset = 0) {
    return strpos($haystack, $needle, $offset);
  }
  
  function mb_strrpos($haystack, $needle, $offset = 0) {
    return strrpos($haystack, $needle, $offset);
  }
  
  function mb_strtolower( $str ) {
    return strtolower($str);
  }
  
  function mb_strtoupper( $str ) {
    return strtoupper($str);
  }
  
  function mb_substr($string, $start, $length = null, $encoding = 'iso-8859-1') {
    if ( is_null($length) ) {
      return substr($string, $start);
    }
    
    return substr($string, $start, $length);
  }
  
  function mb_substr_count($haystack, $needle, $encoding = 'iso-8859-1') {
    return substr_count($haystack, $needle);
  }
  
  function mb_encode_numericentity($str, $convmap, $encoding) {
    return htmlspecialchars($str);
  }
  
  function mb_convert_case($str, $mode = MB_CASE_UPPER, $encoding = array()) {
    switch($mode) {
      case MB_CASE_UPPER: return mb_strtoupper($str);
      case MB_CASE_LOWER: return mb_strtolower($str);
      case MB_CASE_TITLE: return ucwords(mb_strtolower($str));
      default: return $str;
    }
  }
  
  function mb_list_encodings() {
    return array(
      "ISO-8859-1",
      "UTF-8",
      "8bit",
    );
  }
}

/** 
 * Decoder for RLE8 compression in windows bitmaps
 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
 *
 * @param string  $str   Data to decode
 * @param integer $width Image width
 *
 * @return string
 */
function rle8_decode ($str, $width){
  $lineWidth = $width + (3 - ($width-1) % 4);
  $out = '';
  $cnt = strlen($str);
  
  for ($i = 0; $i <$cnt; $i++) {
    $o = ord($str[$i]);
    switch ($o){
      case 0: # ESCAPE
        $i++;
        switch (ord($str[$i])){
          case 0: # NEW LINE
            $padCnt = $lineWidth - strlen($out)%$lineWidth;
            if ($padCnt<$lineWidth) $out .= str_repeat(chr(0), $padCnt); # pad line
            break;
          case 1: # END OF FILE
            $padCnt = $lineWidth - strlen($out)%$lineWidth;
            if ($padCnt<$lineWidth) $out .= str_repeat(chr(0), $padCnt); # pad line
            break 3;
          case 2: # DELTA
            $i += 2;
            break;
          default: # ABSOLUTE MODE
            $num = ord($str[$i]);
            for ($j = 0; $j < $num; $j++)
              $out .= $str[++$i];
            if ($num % 2) $i++;
        }
      break;
      default:
      $out .= str_repeat($str[++$i], $o);
    }
  }
  return $out;
}

/** 
 * Decoder for RLE4 compression in windows bitmaps
 * see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
 *
 * @param string  $str   Data to decode
 * @param integer $width Image width
 *
 * @return string
 */
function rle4_decode ($str, $width) {
  $w = floor($width/2) + ($width % 2);
  $lineWidth = $w + (3 - ( ($width-1) / 2) % 4);    
  $pixels = array();
  $cnt = strlen($str);
  $c = 0;
  
  for ($i = 0; $i < $cnt; $i++) {
    $o = ord($str[$i]);
    switch ($o) {
      case 0: # ESCAPE
        $i++;
        switch (ord($str[$i])){
          case 0: # NEW LINE
            while (count($pixels)%$lineWidth != 0) {
              $pixels[] = 0;
            }
            break;
          case 1: # END OF FILE
            while (count($pixels)%$lineWidth != 0) {
              $pixels[] = 0;
            }
            break 3;
          case 2: # DELTA
            $i += 2;
            break;
          default: # ABSOLUTE MODE
            $num = ord($str[$i]);
            for ($j = 0; $j < $num; $j++) {
              if ($j%2 == 0) {
                $c = ord($str[++$i]);
                $pixels[] = ($c & 240)>>4;
              }
              else {
                $pixels[] = $c & 15;
              }
            }
            
            if ($num % 2 == 0) {
              $i++;
            }
       }
       break;
      default:
        $c = ord($str[++$i]);
        for ($j = 0; $j < $o; $j++) {
          $pixels[] = ($j%2==0 ? ($c & 240)>>4 : $c & 15);
        }
    }
  }
  
  $out = '';
  if (count($pixels)%2) {
    $pixels[] = 0;
  }
  
  $cnt = count($pixels)/2;
  
  for ($i = 0; $i < $cnt; $i++) {
    $out .= chr(16*$pixels[2*$i] + $pixels[2*$i+1]);
  }
    
  return $out;
} 

if ( !function_exists("imagecreatefrombmp") ) {

/**
 * Credit goes to mgutt 
 * http://www.programmierer-forum.de/function-imagecreatefrombmp-welche-variante-laeuft-t143137.htm
 * Modified by Fabien Menager to support RGB555 BMP format
 */
function imagecreatefrombmp($filename) {
  if (!function_exists("imagecreatetruecolor")) {
    trigger_error("The PHP GD extension is required, but is not installed.", E_ERROR);
    return false;
  }

  // version 1.00
  if (!($fh = fopen($filename, 'rb'))) {
    trigger_error('imagecreatefrombmp: Can not open ' . $filename, E_USER_WARNING);
    return false;
  }
  
  $bytes_read = 0;
  
  // read file header
  $meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14));
  
  // check for bitmap
  if ($meta['type'] != 19778) {
    trigger_error('imagecreatefrombmp: ' . $filename . ' is not a bitmap!', E_USER_WARNING);
    return false;
  }
  
  // read image header
  $meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40));
  $bytes_read += 40;
  
  // read additional bitfield header
  if ($meta['compression'] == 3) {
    $meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12));
    $bytes_read += 12;
  }
  
  // set bytes and padding
  $meta['bytes'] = $meta['bits'] / 8;
  $meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4)- floor($meta['width'] * $meta['bytes'] / 4)));
  if ($meta['decal'] == 4) {
    $meta['decal'] = 0;
  }
  
  // obtain imagesize
  if ($meta['imagesize'] < 1) {
    $meta['imagesize'] = $meta['filesize'] - $meta['offset'];
    // in rare cases filesize is equal to offset so we need to read physical size
    if ($meta['imagesize'] < 1) {
      $meta['imagesize'] = @filesize($filename) - $meta['offset'];
      if ($meta['imagesize'] < 1) {
        trigger_error('imagecreatefrombmp: Can not obtain filesize of ' . $filename . '!', E_USER_WARNING);
        return false;
      }
    }
  }
  
  // calculate colors
  $meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors'];
  
  // read color palette
  $palette = array();
  if ($meta['bits'] < 16) {
    $palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4));
    // in rare cases the color value is signed
    if ($palette[1] < 0) {
      foreach ($palette as $i => $color) {
        $palette[$i] = $color + 16777216;
      }
    }
  }
  
  // ignore extra bitmap headers
  if ($meta['headersize'] > $bytes_read) {
    fread($fh, $meta['headersize'] - $bytes_read);
  }
  
  // create gd image
  $im = imagecreatetruecolor($meta['width'], $meta['height']);
  $data = fread($fh, $meta['imagesize']);
  
  // uncompress data
  switch ($meta['compression']) {
    case 1: $data = rle8_decode($data, $meta['width']); break;
    case 2: $data = rle4_decode($data, $meta['width']); break;
  }

  $p = 0;
  $vide = chr(0);
  $y = $meta['height'] - 1;
  $error = 'imagecreatefrombmp: ' . $filename . ' has not enough data!';

  // loop through the image data beginning with the lower left corner
  while ($y >= 0) {
    $x = 0;
    while ($x < $meta['width']) {
      switch ($meta['bits']) {
        case 32:
        case 24:
          if (!($part = substr($data, $p, 3 /*$meta['bytes']*/))) {
            trigger_error($error, E_USER_WARNING);
            return $im;
          }
          $color = unpack('V', $part . $vide);
          break;
        case 16:
          if (!($part = substr($data, $p, 2 /*$meta['bytes']*/))) {
            trigger_error($error, E_USER_WARNING);
            return $im;
          }
          $color = unpack('v', $part);

          if (empty($meta['rMask']) || $meta['rMask'] != 0xf800) {
            $color[1] = (($color[1] & 0x7c00) >> 7) * 65536 + (($color[1] & 0x03e0) >> 2) * 256 + (($color[1] & 0x001f) << 3); // 555
          }
          else { 
            $color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); // 565
          }
          break;
        case 8:
          $color = unpack('n', $vide . substr($data, $p, 1));
          $color[1] = $palette[ $color[1] + 1 ];
          break;
        case 4:
          $color = unpack('n', $vide . substr($data, floor($p), 1));
          $color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F;
          $color[1] = $palette[ $color[1] + 1 ];
          break;
        case 1:
          $color = unpack('n', $vide . substr($data, floor($p), 1));
          switch (($p * 8) % 8) {
            case 0: $color[1] =  $color[1] >> 7; break;
            case 1: $color[1] = ($color[1] & 0x40) >> 6; break;
            case 2: $color[1] = ($color[1] & 0x20) >> 5; break;
            case 3: $color[1] = ($color[1] & 0x10) >> 4; break;
            case 4: $color[1] = ($color[1] & 0x8 ) >> 3; break;
            case 5: $color[1] = ($color[1] & 0x4 ) >> 2; break;
            case 6: $color[1] = ($color[1] & 0x2 ) >> 1; break;
            case 7: $color[1] = ($color[1] & 0x1 );      break;
          }
          $color[1] = $palette[ $color[1] + 1 ];
          break;
        default:
          trigger_error('imagecreatefrombmp: ' . $filename . ' has ' . $meta['bits'] . ' bits and this is not supported!', E_USER_WARNING);
          return false;
      }
      imagesetpixel($im, $x, $y, $color[1]);
      $x++;
      $p += $meta['bytes'];
    }
    $y--;
    $p += $meta['decal'];
  }
  fclose($fh);
  return $im;
}
}

/**
 * getimagesize doesn't give a good size for 32bit BMP image v5
 * 
 * @param string $filename
 * @return array The same format as getimagesize($filename)
 */
function dompdf_getimagesize($filename) {
  static $cache = array();
  
  if ( isset($cache[$filename]) ) {
    return $cache[$filename];
  }
  
  list($width, $height, $type) = getimagesize($filename);
  
  if ( $width == null || $height == null ) {
    $data = file_get_contents($filename, null, null, 0, 26);
    
    if ( substr($data, 0, 2) === "BM" ) {
      $meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data);
      $width  = (int)$meta['width'];
      $height = (int)$meta['height'];
      $type   = IMAGETYPE_BMP;
    }
  }
  
  return $cache[$filename] = array($width, $height, $type);
}

/**
 * Converts a CMYK color to RGB
 * 
 * @param float|float[] $c
 * @param float         $m
 * @param float         $y
 * @param float         $k
 *
 * @return float[]
 */
function cmyk_to_rgb($c, $m = null, $y = null, $k = null) {
  if (is_array($c)) {
    list($c, $m, $y, $k) = $c;
  }
  
  $c *= 255;
  $m *= 255;
  $y *= 255;
  $k *= 255;
  
  $r = (1 - round(2.55 * ($c+$k))) ;
  $g = (1 - round(2.55 * ($m+$k))) ;
  $b = (1 - round(2.55 * ($y+$k))) ;
    
  if ($r < 0) $r = 0;
  if ($g < 0) $g = 0;
  if ($b < 0) $b = 0;
    
  return array(
    $r, $g, $b,
    "r" => $r, "g" => $g, "b" => $b
  );
}

function unichr($c) {
  if ($c <= 0x7F) {
    return chr($c);
  }
  else if ($c <= 0x7FF) {
    return chr(0xC0 | $c >>  6) . chr(0x80 | $c & 0x3F);
  }
  else if ($c <= 0xFFFF) {
    return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
                                . chr(0x80 | $c & 0x3F);
  }
  else if ($c <= 0x10FFFF) {
    return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
                                . chr(0x80 | $c >> 6 & 0x3F)
                                . chr(0x80 | $c & 0x3F);
  }
  return false;
}

if ( !function_exists("date_default_timezone_get") ) {
  function date_default_timezone_get() {
    return "";
  }
  
  function date_default_timezone_set($timezone_identifier) {
    return true;
  }
}

/**
 * Stores warnings in an array for display later
 * This function allows warnings generated by the DomDocument parser
 * and CSS loader ({@link Stylesheet}) to be captured and displayed
 * later.  Without this function, errors are displayed immediately and
 * PDF streaming is impossible.
 * @see http://www.php.net/manual/en/function.set-error_handler.php
 *
 * @param int    $errno
 * @param string $errstr
 * @param string $errfile
 * @param string $errline
 *
 * @throws DOMPDF_Exception
 */
function record_warnings($errno, $errstr, $errfile, $errline) {

  // Not a warning or notice
  if ( !($errno & (E_WARNING | E_NOTICE | E_USER_NOTICE | E_USER_WARNING )) ) {
    throw new DOMPDF_Exception($errstr . " $errno");
  }

  global $_dompdf_warnings;
  global $_dompdf_show_warnings;

  if ( $_dompdf_show_warnings ) {
    echo $errstr . "\n";
  }

  $_dompdf_warnings[] = $errstr;
}

/**
 * Print a useful backtrace
 */
function bt() {
  if ( php_sapi_name() !== "cli") {
    echo "<pre>";
  }
    
  $bt = debug_backtrace();

  array_shift($bt); // remove actual bt() call
  echo "\n";

  $i = 0;
  foreach ($bt as $call) {
    $file = basename($call["file"]) . " (" . $call["line"] . ")";
    if ( isset($call["class"]) ) {
      $func = $call["class"] . "->" . $call["function"] . "()";
    }
    else {
      $func = $call["function"] . "()";
    }

    echo "#" . str_pad($i, 2, " ", STR_PAD_RIGHT) . ": " . str_pad($file.":", 42) . " $func\n";
    $i++;
  }
  echo "\n";
  
  if ( php_sapi_name() !== "cli") {
    echo "</pre>";
  }
}

/**
 * Print debug messages
 *
 * @param string $type The type of debug messages to print
 * @param string $msg  The message to show
 */
function dompdf_debug($type, $msg) {
  global $_DOMPDF_DEBUG_TYPES, $_dompdf_show_warnings, $_dompdf_debug;
  if ( isset($_DOMPDF_DEBUG_TYPES[$type]) && ($_dompdf_show_warnings || $_dompdf_debug) ) {
    $arr = debug_backtrace();

    echo basename($arr[0]["file"]) . " (" . $arr[0]["line"] ."): " . $arr[1]["function"] . ": ";
    pre_r($msg);
  }
}

if ( !function_exists("print_memusage") ) {
/**
 * Dump memory usage
 */
function print_memusage() {
  global $memusage;
  echo "Memory Usage\n";
  $prev = 0;
  $initial = reset($memusage);
  echo str_pad("Initial:", 40) . $initial . "\n\n";

  foreach ($memusage as $key=>$mem) {
    $mem -= $initial;
    echo str_pad("$key:" , 40);
    echo str_pad("$mem", 12) . "(diff: " . ($mem - $prev) . ")\n";
    $prev = $mem;
  }

  echo "\n" . str_pad("Total:", 40) . memory_get_usage() . "\n";
}
}

if ( !function_exists("enable_mem_profile") ) {
/**
 * Initialize memory profiling code
 */
function enable_mem_profile() {
  global $memusage;
  $memusage = array("Startup" => memory_get_usage());
  register_shutdown_function("print_memusage");
}
}

if ( !function_exists("mark_memusage") ) {
/**
 * Record the current memory usage
 *
 * @param string $location a meaningful location
 */
function mark_memusage($location) {
  global $memusage;
  if ( isset($memusage) ) {
    $memusage[$location] = memory_get_usage();
  }
}
}

if ( !function_exists('sys_get_temp_dir')) {
/**
 * Find the current system temporary directory
 *
 * @link http://us.php.net/manual/en/function.sys-get-temp-dir.php#85261
 */
function sys_get_temp_dir() {
  if (!empty($_ENV['TMP'])) {
    return realpath($_ENV['TMP']);
  }
  
  if (!empty($_ENV['TMPDIR'])) {
    return realpath( $_ENV['TMPDIR']);
  }
  
  if (!empty($_ENV['TEMP'])) {
    return realpath( $_ENV['TEMP']);
  }
  
  $tempfile=tempnam(uniqid(rand(), true), '');
  if (file_exists($tempfile)) {
    unlink($tempfile);
    return realpath(dirname($tempfile));
  }
}
}

if ( function_exists("memory_get_peak_usage") ) {
  function DOMPDF_memory_usage(){
    return memory_get_peak_usage(true);
  }
}
else if ( function_exists("memory_get_usage") ) {
  function DOMPDF_memory_usage(){
    return memory_get_usage(true);
  }
}
else {
  function DOMPDF_memory_usage(){
    return "N/A";
  }
}

if ( function_exists("curl_init") ) {
  function DOMPDF_fetch_url($url, &$headers = null) {
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, true);
    
    $data = curl_exec($ch);
    $raw_headers = substr($data, 0, curl_getinfo($ch, CURLINFO_HEADER_SIZE));
    $headers = preg_split("/[\n\r]+/", trim($raw_headers));
    $data = substr($data, curl_getinfo($ch, CURLINFO_HEADER_SIZE));
    curl_close($ch);
    
    return $data;
  }
}
else {
  function DOMPDF_fetch_url($url, &$headers = null) {
    $data = file_get_contents($url);
    $headers = $http_response_header;
    
    return $data;
  }
}

/**
 * Affect null to the unused objects
 * @param mixed $object
 */
if ( PHP_VERSION_ID < 50300 ) {
  function clear_object(&$object) {
    if ( is_object($object) ) {
      foreach ($object as &$value) {
        clear_object($value);
      }
    }
    
    $object = null;
    unset($object);
  }
}
else {
  function clear_object(&$object) {
    // void
  } 
}

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