Dolibarr / dolibarr

htdocs/includes/tcpdi/tcpdi_parser.php

Indentation +1351 added lines, -1351 removed lines

@@ -52,31 +52,31 @@ 
 else require_once(dirname(__FILE__).'/../tecnickcom/tcpdf/include/tcpdf_filters.php');
 
 if (!defined ('PDF_TYPE_NULL'))
-    define ('PDF_TYPE_NULL', 0);
+	define ('PDF_TYPE_NULL', 0);
 if (!defined ('PDF_TYPE_NUMERIC'))
-    define ('PDF_TYPE_NUMERIC', 1);
+	define ('PDF_TYPE_NUMERIC', 1);
 if (!defined ('PDF_TYPE_TOKEN'))
-    define ('PDF_TYPE_TOKEN', 2);
+	define ('PDF_TYPE_TOKEN', 2);
 if (!defined ('PDF_TYPE_HEX'))
-    define ('PDF_TYPE_HEX', 3);
+	define ('PDF_TYPE_HEX', 3);
 if (!defined ('PDF_TYPE_STRING'))
-    define ('PDF_TYPE_STRING', 4);
+	define ('PDF_TYPE_STRING', 4);
 if (!defined ('PDF_TYPE_DICTIONARY'))
-    define ('PDF_TYPE_DICTIONARY', 5);
+	define ('PDF_TYPE_DICTIONARY', 5);
 if (!defined ('PDF_TYPE_ARRAY'))
-    define ('PDF_TYPE_ARRAY', 6);
+	define ('PDF_TYPE_ARRAY', 6);
 if (!defined ('PDF_TYPE_OBJDEC'))
-    define ('PDF_TYPE_OBJDEC', 7);
+	define ('PDF_TYPE_OBJDEC', 7);
 if (!defined ('PDF_TYPE_OBJREF'))
-    define ('PDF_TYPE_OBJREF', 8);
+	define ('PDF_TYPE_OBJREF', 8);
 if (!defined ('PDF_TYPE_OBJECT'))
-    define ('PDF_TYPE_OBJECT', 9);
+	define ('PDF_TYPE_OBJECT', 9);
 if (!defined ('PDF_TYPE_STREAM'))
-    define ('PDF_TYPE_STREAM', 10);
+	define ('PDF_TYPE_STREAM', 10);
 if (!defined ('PDF_TYPE_BOOLEAN'))
-    define ('PDF_TYPE_BOOLEAN', 11);
+	define ('PDF_TYPE_BOOLEAN', 11);
 if (!defined ('PDF_TYPE_REAL'))
-    define ('PDF_TYPE_REAL', 12);
+	define ('PDF_TYPE_REAL', 12);
 
 /**
  * @class tcpdi_parser
@@ -88,1362 +88,1362 @@ 
  * @author Nicola Asuni - info@tecnick.com
  */
 class tcpdi_parser {
-    /**
-     * Unique parser ID
-     * @public
-     */
-    public $uniqueid = '';
-
-    /**
-     * Raw content of the PDF document.
-     * @private
-     */
-    private $pdfdata = '';
-
-    /**
-     * XREF data.
-     * @protected
-     */
-    protected $xref = array();
-
-    /**
-     * Object streams.
-     * @protected
-     */
-    protected $objstreams = array();
-
-    /**
-     * Objects in objstreams.
-     * @protected
-     */
-    protected $objstreamobjs = array();
-
-    /**
-     * List of seen XREF data locations.
-     * @protected
-     */
-    protected $xref_seen_offsets = array();
-
-    /**
-     * Array of PDF objects.
-     * @protected
-     */
-    protected $objects = array();
-
-    /**
-     * Array of object offsets.
-     * @private
-     */
-    private $objoffsets = array();
-
-    /**
-     * Class object for decoding filters.
-     * @private
-     */
-    private $FilterDecoders;
-
-    /**
-     * Pages
-     *
-     * @private array
-     */
-    private $pages;
-
-    /**
-     * Page count
-     * @private integer
-     */
-    private $page_count;
-
-    /**
-     * actual page number
-     * @private integer
-     */
-    private $pageno;
-
-    /**
-     * PDF version of the loaded document
-     * @private string
-     */
-    private $pdfVersion;
-
-    /**
-     * Available BoxTypes
-     *
-     * @public array
-     */
-    public $availableBoxes = array('/MediaBox', '/CropBox', '/BleedBox', '/TrimBox', '/ArtBox');
+	/**
+	 * Unique parser ID
+	 * @public
+	 */
+	public $uniqueid = '';
+
+	/**
+	 * Raw content of the PDF document.
+	 * @private
+	 */
+	private $pdfdata = '';
+
+	/**
+	 * XREF data.
+	 * @protected
+	 */
+	protected $xref = array();
+
+	/**
+	 * Object streams.
+	 * @protected
+	 */
+	protected $objstreams = array();
+
+	/**
+	 * Objects in objstreams.
+	 * @protected
+	 */
+	protected $objstreamobjs = array();
+
+	/**
+	 * List of seen XREF data locations.
+	 * @protected
+	 */
+	protected $xref_seen_offsets = array();
+
+	/**
+	 * Array of PDF objects.
+	 * @protected
+	 */
+	protected $objects = array();
+
+	/**
+	 * Array of object offsets.
+	 * @private
+	 */
+	private $objoffsets = array();
+
+	/**
+	 * Class object for decoding filters.
+	 * @private
+	 */
+	private $FilterDecoders;
+
+	/**
+	 * Pages
+	 *
+	 * @private array
+	 */
+	private $pages;
+
+	/**
+	 * Page count
+	 * @private integer
+	 */
+	private $page_count;
+
+	/**
+	 * actual page number
+	 * @private integer
+	 */
+	private $pageno;
+
+	/**
+	 * PDF version of the loaded document
+	 * @private string
+	 */
+	private $pdfVersion;
+
+	/**
+	 * Available BoxTypes
+	 *
+	 * @public array
+	 */
+	public $availableBoxes = array('/MediaBox', '/CropBox', '/BleedBox', '/TrimBox', '/ArtBox');
 
 // -----------------------------------------------------------------------------
 
-    /**
-     * Parse a PDF document an return an array of objects.
-     * @param $data (string) PDF data to parse.
-     * @public
-     * @since 1.0.000 (2011-05-24)
-     */
-    public function __construct($data, $uniqueid) {
-        if (empty($data)) {
-            $this->Error('Empty PDF data.');
-        }
-        $this->uniqueid = $uniqueid;
-        $this->pdfdata = $data;
-        // get length
-        $pdflen = strlen($this->pdfdata);
-        // initialize class for decoding filters
-        $this->FilterDecoders = new TCPDF_FILTERS();
-        // get xref and trailer data
-        $this->xref = $this->getXrefData();
-        $this->findObjectOffsets();
-        // parse all document objects
-        $this->objects = array();
-        /*foreach ($this->xref['xref'] as $obj => $offset) {
+	/**
+	 * Parse a PDF document an return an array of objects.
+	 * @param $data (string) PDF data to parse.
+	 * @public
+	 * @since 1.0.000 (2011-05-24)
+	 */
+	public function __construct($data, $uniqueid) {
+		if (empty($data)) {
+			$this->Error('Empty PDF data.');
+		}
+		$this->uniqueid = $uniqueid;
+		$this->pdfdata = $data;
+		// get length
+		$pdflen = strlen($this->pdfdata);
+		// initialize class for decoding filters
+		$this->FilterDecoders = new TCPDF_FILTERS();
+		// get xref and trailer data
+		$this->xref = $this->getXrefData();
+		$this->findObjectOffsets();
+		// parse all document objects
+		$this->objects = array();
+		/*foreach ($this->xref['xref'] as $obj => $offset) {
             if (!isset($this->objects[$obj]) AND ($offset > 0)) {
                 // decode only objects with positive offset
                 //$this->objects[$obj] = $this->getIndirectObject($obj, $offset, true);
             }
         }*/
-        $this->getPDFVersion();
-        $this->readPages();
-    }
-
-    /**
-     * Clean up when done, to free memory etc
-     */
-    public function cleanUp() {
-        unset($this->pdfdata);
-        $this->pdfdata = '';
-        unset($this->objstreams);
-        $this->objstreams = array();
-        unset($this->objects);
-        $this->objects = array();
-        unset($this->objstreamobjs);
-        $this->objstreamobjs = array();
-        unset($this->xref);
-        $this->xref = array();
-        unset($this->objoffsets);
-        $this->objoffsets = array();
-        unset($this->pages);
-        $this->pages = array();
-    }
-
-    /**
-     * Return an array of parsed PDF document objects.
-     * @return (array) Array of parsed PDF document objects.
-     * @public
-     * @since 1.0.000 (2011-06-26)
-     */
-    public function getParsedData() {
-        return array($this->xref, $this->objects, $this->pages);
-    }
-
-    /**
-     * Get PDF-Version
-     *
-     * And reset the PDF Version used in FPDI if needed
-     * @public
-     */
-    public function getPDFVersion() {
-        preg_match('/\d\.\d/', substr($this->pdfdata, 0, 16), $m);
-        if (isset($m[0]))
-            $this->pdfVersion = $m[0];
-        return $this->pdfVersion;
-    }
-
-    /**
-     * Read all /Page(es)
-     *
-     */
-    function readPages() {
-        $params = $this->getObjectVal($this->xref['trailer'][1]['/Root']);
-        $objref = null;
-        foreach ($params[1][1] as $k=>$v) {
-            if ($k == '/Pages') {
-                $objref = $v;
-                break;
-            }
-        }
-        if ($objref == null || $objref[0] !== PDF_TYPE_OBJREF) {
-            // Offset not found.
-            return;
-        }
-
-        $dict = $this->getObjectVal($objref);
-        if ($dict[0] == PDF_TYPE_OBJECT && $dict[1][0] == PDF_TYPE_DICTIONARY) {
-            // Dict wrapped in an object
-            $dict = $dict[1];
-        }
-
-        if ($dict[0] !== PDF_TYPE_DICTIONARY) {
-            return;
-        }
-
-        $this->pages = array();
-        if (isset($dict[1]['/Kids'])) {
-            $v = $dict[1]['/Kids'];
-            if ($v[0] == PDF_TYPE_ARRAY) {
-                foreach ($v[1] as $ref) {
-                    $page = $this->getObjectVal($ref);
-                    $this->readPage($page);
-                }
-            }
-        }
-
-        $this->page_count = count($this->pages);
-    }
-
-    /**
-     * Read a single /Page element, recursing through /Kids if necessary
-     *
-     */
-    private function readPage($page) {
-        if (isset($page[1][1]['/Kids'])) {
-            // Nested pages!
-            foreach ($page[1][1]['/Kids'][1] as $subref) {
-                $subpage = $this->getObjectVal($subref);
-                $this->readPage($subpage);
-            }
-        } else {
-            $this->pages[] = $page;
-        }
-    }
-
-    /**
-     * Get pagecount from sourcefile
-     *
-     * @return int
-     */
-    function getPageCount() {
-        return $this->page_count;
-    }
-
-    /**
-     * Get Cross-Reference (xref) table and trailer data from PDF document data.
-     * @param $offset (int) xref offset (if know).
-     * @param $xref (array) previous xref array (if any).
-     * @return Array containing xref and trailer data.
-     * @protected
-     * @since 1.0.000 (2011-05-24)
-     */
-    protected function getXrefData($offset=0, $xref=array()) {
-        if ($offset == 0) {
-            // find last startxref
-            if (preg_match('/.*[\r\n]startxref[\s\r\n]+([0-9]+)[\s\r\n]+%%EOF/is', $this->pdfdata, $matches) == 0) {
-                $this->Error('Unable to find startxref');
-            }
-            $startxref = $matches[1];
-        } else {
-            if (preg_match('/([0-9]+[\s][0-9]+[\s]obj)/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
-                // Cross-Reference Stream object
-                $startxref = $offset;
-            } elseif (preg_match('/[\r\n]startxref[\s\r\n]+([0-9]+)[\s\r\n]+%%EOF/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
-                // startxref found
-                $startxref = $matches[1][0];
-            } else {
-                $this->Error('Unable to find startxref');
-            }
-        }
-        unset($matches);
-
-        // DOMPDF gets the startxref wrong, giving us the linebreak before the xref starts.
-        $startxref += strspn($this->pdfdata, "\r\n", $startxref);
-
-        // check xref position
-        if (strpos($this->pdfdata, 'xref', $startxref) == $startxref) {
-            // Cross-Reference
-            $xref = $this->decodeXref($startxref, $xref);
-        } else {
-            // Cross-Reference Stream
-            $xref = $this->decodeXrefStream($startxref, $xref);
-        }
-        if (empty($xref)) {
-            $this->Error('Unable to find xref');
-        }
-
-        return $xref;
-    }
-
-    /**
-     * Decode the Cross-Reference section
-     * @param $startxref (int) Offset at which the xref section starts.
-     * @param $xref (array) Previous xref array (if any).
-     * @return Array containing xref and trailer data.
-     * @protected
-     * @since 1.0.000 (2011-06-20)
-     */
-    protected function decodeXref($startxref, $xref=array()) {
-        $this->xref_seen_offsets[] = $startxref;
-        if (!isset($xref['xref_location'])) {
-            $xref['xref_location'] = $startxref;
-            $xref['max_object'] = 0;
-        }
-        // extract xref data (object indexes and offsets)
-        $xoffset = $startxref + 5;
-        // initialize object number
-        $obj_num = 0;
-        $offset = $xoffset;
-        while (preg_match('/^([0-9]+)[\s]([0-9]+)[\s]?([nf]?)/im', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
-            $offset = (strlen($matches[0][0]) + $matches[0][1]);
-            if ($matches[3][0] == 'n') {
-                // create unique object index: [object number]_[generation number]
-                $gen_num = intval($matches[2][0]);
-                $index = $obj_num.'_'.$gen_num;
-                // check if object already exist
-                if (!isset($xref['xref'][$obj_num][$gen_num])) {
-                    // store object offset position
-                    $xref['xref'][$obj_num][$gen_num] = intval($matches[1][0]);
-                }
-                ++$obj_num;
-                $offset += 2;
-            } elseif ($matches[3][0] == 'f') {
-                ++$obj_num;
-                $offset += 2;
-            } else {
-                // object number (index)
-                $obj_num = intval($matches[1][0]);
-            }
-        }
-        unset($matches);
-        $xref['max_object'] = max($xref['max_object'], $obj_num);
-        // get trailer data
-        if (preg_match('/trailer[\s]*<<(.*)>>[\s\r\n]+(?:[%].*[\r\n]+)*startxref[\s\r\n]+/isU', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $xoffset) > 0) {
-            $trailer_data = $matches[1][0];
-            if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
-                // get only the last updated version
-                $xref['trailer'] = array();
-                $xref['trailer'][0] = PDF_TYPE_DICTIONARY;
-                $xref['trailer'][1] = array();
-                // parse trailer_data
-                if (preg_match('/Size[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
-                    $xref['trailer'][1]['/Size'] = array(PDF_TYPE_NUMERIC, intval($matches[1]));
-                }
-                if (preg_match('/Root[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
-                    $xref['trailer'][1]['/Root'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
-                }
-                if (preg_match('/Encrypt[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
-                    $xref['trailer'][1]['/Encrypt'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
-                }
-                if (preg_match('/Info[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
-                    $xref['trailer'][1]['/Info'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
-                }
-                if (preg_match('/ID[\s]*[\[][\s]*[<]([^>]*)[>][\s]*[<]([^>]*)[>]/i', $trailer_data, $matches) > 0) {
-                    $xref['trailer'][1]['/ID'] = array(PDF_TYPE_ARRAY, array());
-                    $xref['trailer'][1]['/ID'][1][0] = array(PDF_TYPE_HEX, $matches[1]);
-                    $xref['trailer'][1]['/ID'][1][1] = array(PDF_TYPE_HEX, $matches[2]);
-                }
-            }
-            if (preg_match('/Prev[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
-                // get previous xref
-                $prevoffset = intval($matches[1]);
-                if (!in_array($prevoffset, $this->xref_seen_offsets)) {
-                    $this->xref_seen_offsets[] = $prevoffset;
-                    $xref = $this->getXrefData($prevoffset, $xref);
-                }
-            }
-            unset($matches);
-        } else {
-            $this->Error('Unable to find trailer');
-        }
-        return $xref;
-    }
-
-    /**
-     * Decode the Cross-Reference Stream section
-     * @param $startxref (int) Offset at which the xref section starts.
-     * @param $xref (array) Previous xref array (if any).
-     * @return Array containing xref and trailer data.
-     * @protected
-     * @since 1.0.003 (2013-03-16)
-     */
-    protected function decodeXrefStream($startxref, $xref=array()) {
-        // try to read Cross-Reference Stream
-        list($xrefobj, $unused) = $this->getRawObject($startxref);
-        $xrefcrs = $this->getIndirectObject($xrefobj[1], $startxref, true);
-        if (!isset($xref['xref_location'])) {
-            $xref['xref_location'] = $startxref;
-            $xref['max_object'] = 0;
-        }
-        if (!isset($xref['xref'])) {
-            $xref['xref'] = array();
-        }
-        if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
-            // get only the last updated version
-            $xref['trailer'] = array();
-            $xref['trailer'][0] = PDF_TYPE_DICTIONARY;
-            $xref['trailer'][1] = array();
-            $filltrailer = true;
-        } else {
-            $filltrailer = false;
-        }
-        $valid_crs = false;
-        $sarr = $xrefcrs[0][1];
-        $keys = array_keys($sarr);
-        $columns = 1; // Default as per PDF 32000-1:2008.
-        $predictor = 1; // Default as per PDF 32000-1:2008.
-        foreach ($keys as $k=>$key) {
-            $v = $sarr[$key];
-            if (($key == '/Type') AND ($v[0] == PDF_TYPE_TOKEN AND ($v[1] == 'XRef'))) {
-                $valid_crs = true;
-            } elseif (($key == '/Index') AND ($v[0] == PDF_TYPE_ARRAY AND count($v[1]) >= 2)) {
-                // first object number in the subsection
-                $index_first = intval($v[1][0][1]);
-                // number of entries in the subsection
-                $index_entries = intval($v[1][1][1]);
-            } elseif (($key == '/Prev') AND ($v[0] == PDF_TYPE_NUMERIC)) {
-                // get previous xref offset
-                $prevxref = intval($v[1]);
-            } elseif (($key == '/W') AND ($v[0] == PDF_TYPE_ARRAY)) {
-                // number of bytes (in the decoded stream) of the corresponding field
-                $wb = array();
-                $wb[0] = intval($v[1][0][1]);
-                $wb[1] = intval($v[1][1][1]);
-                $wb[2] = intval($v[1][2][1]);
-            } elseif (($key == '/DecodeParms') AND ($v[0] == PDF_TYPE_DICTIONARY)) {
-                $decpar = $v[1];
-                foreach ($decpar as $kdc => $vdc) {
-                    if (($kdc == '/Columns') AND ($vdc[0] == PDF_TYPE_NUMERIC)) {
-                        $columns = intval($vdc[1]);
-                    } elseif (($kdc == '/Predictor') AND ($vdc[0] == PDF_TYPE_NUMERIC)) {
-                        $predictor = intval($vdc[1]);
-                    }
-                }
-            } elseif ($filltrailer) {
-                switch($key) {
-                    case '/Size':
-                    case '/Root':
-                    case '/Info':
-                    case '/ID':
-                        $xref['trailer'][1][$key] = $v;
-                        break;
-                    default:
-                        break;
-                }
-            }
-        }
-        // decode data
-        $obj_num = 0;
-        if ($valid_crs AND isset($xrefcrs[1][3][0])) {
-            // number of bytes in a row
-            $rowlen = ($columns + 1);
-            // convert the stream into an array of integers
-            $sdata = unpack('C*', $xrefcrs[1][3][0]);
-            // split the rows
-            $sdata = array_chunk($sdata, $rowlen);
-            // initialize decoded array
-            $ddata = array();
-            // initialize first row with zeros
-            $prev_row = array_fill (0, $rowlen, 0);
-            // for each row apply PNG unpredictor
-            foreach ($sdata as $k => $row) {
-                // initialize new row
-                $ddata[$k] = array();
-                // get PNG predictor value
-                if (empty($predictor)) {
-                    $predictor = (10 + $row[0]);
-                }
-                // for each byte on the row
-                for ($i=1; $i<=$columns; ++$i) {
-                    if (!isset($row[$i])) {
-                        // No more data in this row - we're done here.
-                        break;
-                    }
-                    // new index
-                    $j = ($i - 1);
-                    $row_up = $prev_row[$j];
-                    if ($i == 1) {
-                        $row_left = 0;
-                        $row_upleft = 0;
-                    } else {
-                        $row_left = $row[($i - 1)];
-                        $row_upleft = $prev_row[($j - 1)];
-                    }
-                    switch ($predictor) {
-                        case 1: // No prediction (equivalent to PNG None)
-                        case 10: { // PNG prediction (on encoding, PNG None on all rows)
-                            $ddata[$k][$j] = $row[$i];
-                            break;
-                        }
-                        case 11: { // PNG prediction (on encoding, PNG Sub on all rows)
-                            $ddata[$k][$j] = (($row[$i] + $row_left) & 0xff);
-                            break;
-                        }
-                        case 12: { // PNG prediction (on encoding, PNG Up on all rows)
-                            $ddata[$k][$j] = (($row[$i] + $row_up) & 0xff);
-                            break;
-                        }
-                        case 13: { // PNG prediction (on encoding, PNG Average on all rows)
-                            $ddata[$k][$j] = (($row[$i] + (($row_left + $row_up) / 2)) & 0xff);
-                            break;
-                        }
-                        case 14: { // PNG prediction (on encoding, PNG Paeth on all rows)
-                            // initial estimate
-                            $p = ($row_left + $row_up - $row_upleft);
-                            // distances
-                            $pa = abs($p - $row_left);
-                            $pb = abs($p - $row_up);
-                            $pc = abs($p - $row_upleft);
-                            $pmin = min($pa, $pb, $pc);
-                            // return minumum distance
-                            switch ($pmin) {
-                                case $pa: {
-                                    $ddata[$k][$j] = (($row[$i] + $row_left) & 0xff);
-                                    break;
-                                }
-                                case $pb: {
-                                    $ddata[$k][$j] = (($row[$i] + $row_up) & 0xff);
-                                    break;
-                                }
-                                case $pc: {
-                                    $ddata[$k][$j] = (($row[$i] + $row_upleft) & 0xff);
-                                    break;
-                                }
-                            }
-                            break;
-                        }
-                        default: { // PNG prediction (on encoding, PNG optimum)
-                            $this->Error("Unknown PNG predictor $predictor");
-                            break;
-                        }
-                    }
-                }
-                $prev_row = $ddata[$k];
-            } // end for each row
-            // complete decoding
-            unset($sdata);
-            $sdata = array();
-            // for every row
-            foreach ($ddata as $k => $row) {
-                // initialize new row
-                $sdata[$k] = array(0, 0, 0);
-                if ($wb[0] == 0) {
-                    // default type field
-                    $sdata[$k][0] = 1;
-                }
-                $i = 0; // count bytes on the row
-                // for every column
-                for ($c = 0; $c < 3; ++$c) {
-                    // for every byte on the column
-                    for ($b = 0; $b < $wb[$c]; ++$b) {
-                        if (isset($row[$i])) {
-                            $sdata[$k][$c] += ($row[$i] << (($wb[$c] - 1 - $b) * 8));
-                        }
-                        ++$i;
-                    }
-                }
-            }
-            unset($ddata);
-            // fill xref
-            if (isset($index_first)) {
-                $obj_num = $index_first;
-            } else {
-                $obj_num = 0;
-            }
-            foreach ($sdata as $k => $row) {
-                switch ($row[0]) {
-                    case 0: { // (f) linked list of free objects
-                        ++$obj_num;
-                        break;
-                    }
-                    case 1: { // (n) objects that are in use but are not compressed
-                        // create unique object index: [object number]_[generation number]
-                        $index = $obj_num.'_'.$row[2];
-                        // check if object already exist
-                        if (!isset($xref['xref'][$obj_num][$row[2]])) {
-                            // store object offset position
-                            $xref['xref'][$obj_num][$row[2]] = $row[1];
-                        }
-                        ++$obj_num;
-                        break;
-                    }
-                    case 2: { // compressed objects
-                        // $row[1] = object number of the object stream in which this object is stored
-                        // $row[2] = index of this object within the object stream
-                        /*$index = $row[1].'_0_'.$row[2];
+		$this->getPDFVersion();
+		$this->readPages();
+	}
+
+	/**
+	 * Clean up when done, to free memory etc
+	 */
+	public function cleanUp() {
+		unset($this->pdfdata);
+		$this->pdfdata = '';
+		unset($this->objstreams);
+		$this->objstreams = array();
+		unset($this->objects);
+		$this->objects = array();
+		unset($this->objstreamobjs);
+		$this->objstreamobjs = array();
+		unset($this->xref);
+		$this->xref = array();
+		unset($this->objoffsets);
+		$this->objoffsets = array();
+		unset($this->pages);
+		$this->pages = array();
+	}
+
+	/**
+	 * Return an array of parsed PDF document objects.
+	 * @return (array) Array of parsed PDF document objects.
+	 * @public
+	 * @since 1.0.000 (2011-06-26)
+	 */
+	public function getParsedData() {
+		return array($this->xref, $this->objects, $this->pages);
+	}
+
+	/**
+	 * Get PDF-Version
+	 *
+	 * And reset the PDF Version used in FPDI if needed
+	 * @public
+	 */
+	public function getPDFVersion() {
+		preg_match('/\d\.\d/', substr($this->pdfdata, 0, 16), $m);
+		if (isset($m[0]))
+			$this->pdfVersion = $m[0];
+		return $this->pdfVersion;
+	}
+
+	/**
+	 * Read all /Page(es)
+	 *
+	 */
+	function readPages() {
+		$params = $this->getObjectVal($this->xref['trailer'][1]['/Root']);
+		$objref = null;
+		foreach ($params[1][1] as $k=>$v) {
+			if ($k == '/Pages') {
+				$objref = $v;
+				break;
+			}
+		}
+		if ($objref == null || $objref[0] !== PDF_TYPE_OBJREF) {
+			// Offset not found.
+			return;
+		}
+
+		$dict = $this->getObjectVal($objref);
+		if ($dict[0] == PDF_TYPE_OBJECT && $dict[1][0] == PDF_TYPE_DICTIONARY) {
+			// Dict wrapped in an object
+			$dict = $dict[1];
+		}
+
+		if ($dict[0] !== PDF_TYPE_DICTIONARY) {
+			return;
+		}
+
+		$this->pages = array();
+		if (isset($dict[1]['/Kids'])) {
+			$v = $dict[1]['/Kids'];
+			if ($v[0] == PDF_TYPE_ARRAY) {
+				foreach ($v[1] as $ref) {
+					$page = $this->getObjectVal($ref);
+					$this->readPage($page);
+				}
+			}
+		}
+
+		$this->page_count = count($this->pages);
+	}
+
+	/**
+	 * Read a single /Page element, recursing through /Kids if necessary
+	 *
+	 */
+	private function readPage($page) {
+		if (isset($page[1][1]['/Kids'])) {
+			// Nested pages!
+			foreach ($page[1][1]['/Kids'][1] as $subref) {
+				$subpage = $this->getObjectVal($subref);
+				$this->readPage($subpage);
+			}
+		} else {
+			$this->pages[] = $page;
+		}
+	}
+
+	/**
+	 * Get pagecount from sourcefile
+	 *
+	 * @return int
+	 */
+	function getPageCount() {
+		return $this->page_count;
+	}
+
+	/**
+	 * Get Cross-Reference (xref) table and trailer data from PDF document data.
+	 * @param $offset (int) xref offset (if know).
+	 * @param $xref (array) previous xref array (if any).
+	 * @return Array containing xref and trailer data.
+	 * @protected
+	 * @since 1.0.000 (2011-05-24)
+	 */
+	protected function getXrefData($offset=0, $xref=array()) {
+		if ($offset == 0) {
+			// find last startxref
+			if (preg_match('/.*[\r\n]startxref[\s\r\n]+([0-9]+)[\s\r\n]+%%EOF/is', $this->pdfdata, $matches) == 0) {
+				$this->Error('Unable to find startxref');
+			}
+			$startxref = $matches[1];
+		} else {
+			if (preg_match('/([0-9]+[\s][0-9]+[\s]obj)/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
+				// Cross-Reference Stream object
+				$startxref = $offset;
+			} elseif (preg_match('/[\r\n]startxref[\s\r\n]+([0-9]+)[\s\r\n]+%%EOF/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
+				// startxref found
+				$startxref = $matches[1][0];
+			} else {
+				$this->Error('Unable to find startxref');
+			}
+		}
+		unset($matches);
+
+		// DOMPDF gets the startxref wrong, giving us the linebreak before the xref starts.
+		$startxref += strspn($this->pdfdata, "\r\n", $startxref);
+
+		// check xref position
+		if (strpos($this->pdfdata, 'xref', $startxref) == $startxref) {
+			// Cross-Reference
+			$xref = $this->decodeXref($startxref, $xref);
+		} else {
+			// Cross-Reference Stream
+			$xref = $this->decodeXrefStream($startxref, $xref);
+		}
+		if (empty($xref)) {
+			$this->Error('Unable to find xref');
+		}
+
+		return $xref;
+	}
+
+	/**
+	 * Decode the Cross-Reference section
+	 * @param $startxref (int) Offset at which the xref section starts.
+	 * @param $xref (array) Previous xref array (if any).
+	 * @return Array containing xref and trailer data.
+	 * @protected
+	 * @since 1.0.000 (2011-06-20)
+	 */
+	protected function decodeXref($startxref, $xref=array()) {
+		$this->xref_seen_offsets[] = $startxref;
+		if (!isset($xref['xref_location'])) {
+			$xref['xref_location'] = $startxref;
+			$xref['max_object'] = 0;
+		}
+		// extract xref data (object indexes and offsets)
+		$xoffset = $startxref + 5;
+		// initialize object number
+		$obj_num = 0;
+		$offset = $xoffset;
+		while (preg_match('/^([0-9]+)[\s]([0-9]+)[\s]?([nf]?)/im', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
+			$offset = (strlen($matches[0][0]) + $matches[0][1]);
+			if ($matches[3][0] == 'n') {
+				// create unique object index: [object number]_[generation number]
+				$gen_num = intval($matches[2][0]);
+				$index = $obj_num.'_'.$gen_num;
+				// check if object already exist
+				if (!isset($xref['xref'][$obj_num][$gen_num])) {
+					// store object offset position
+					$xref['xref'][$obj_num][$gen_num] = intval($matches[1][0]);
+				}
+				++$obj_num;
+				$offset += 2;
+			} elseif ($matches[3][0] == 'f') {
+				++$obj_num;
+				$offset += 2;
+			} else {
+				// object number (index)
+				$obj_num = intval($matches[1][0]);
+			}
+		}
+		unset($matches);
+		$xref['max_object'] = max($xref['max_object'], $obj_num);
+		// get trailer data
+		if (preg_match('/trailer[\s]*<<(.*)>>[\s\r\n]+(?:[%].*[\r\n]+)*startxref[\s\r\n]+/isU', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $xoffset) > 0) {
+			$trailer_data = $matches[1][0];
+			if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
+				// get only the last updated version
+				$xref['trailer'] = array();
+				$xref['trailer'][0] = PDF_TYPE_DICTIONARY;
+				$xref['trailer'][1] = array();
+				// parse trailer_data
+				if (preg_match('/Size[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
+					$xref['trailer'][1]['/Size'] = array(PDF_TYPE_NUMERIC, intval($matches[1]));
+				}
+				if (preg_match('/Root[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
+					$xref['trailer'][1]['/Root'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
+				}
+				if (preg_match('/Encrypt[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
+					$xref['trailer'][1]['/Encrypt'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
+				}
+				if (preg_match('/Info[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) > 0) {
+					$xref['trailer'][1]['/Info'] = array(PDF_TYPE_OBJREF, intval($matches[1]), intval($matches[2]));
+				}
+				if (preg_match('/ID[\s]*[\[][\s]*[<]([^>]*)[>][\s]*[<]([^>]*)[>]/i', $trailer_data, $matches) > 0) {
+					$xref['trailer'][1]['/ID'] = array(PDF_TYPE_ARRAY, array());
+					$xref['trailer'][1]['/ID'][1][0] = array(PDF_TYPE_HEX, $matches[1]);
+					$xref['trailer'][1]['/ID'][1][1] = array(PDF_TYPE_HEX, $matches[2]);
+				}
+			}
+			if (preg_match('/Prev[\s]+([0-9]+)/i', $trailer_data, $matches) > 0) {
+				// get previous xref
+				$prevoffset = intval($matches[1]);
+				if (!in_array($prevoffset, $this->xref_seen_offsets)) {
+					$this->xref_seen_offsets[] = $prevoffset;
+					$xref = $this->getXrefData($prevoffset, $xref);
+				}
+			}
+			unset($matches);
+		} else {
+			$this->Error('Unable to find trailer');
+		}
+		return $xref;
+	}
+
+	/**
+	 * Decode the Cross-Reference Stream section
+	 * @param $startxref (int) Offset at which the xref section starts.
+	 * @param $xref (array) Previous xref array (if any).
+	 * @return Array containing xref and trailer data.
+	 * @protected
+	 * @since 1.0.003 (2013-03-16)
+	 */
+	protected function decodeXrefStream($startxref, $xref=array()) {
+		// try to read Cross-Reference Stream
+		list($xrefobj, $unused) = $this->getRawObject($startxref);
+		$xrefcrs = $this->getIndirectObject($xrefobj[1], $startxref, true);
+		if (!isset($xref['xref_location'])) {
+			$xref['xref_location'] = $startxref;
+			$xref['max_object'] = 0;
+		}
+		if (!isset($xref['xref'])) {
+			$xref['xref'] = array();
+		}
+		if (!isset($xref['trailer']) OR empty($xref['trailer'])) {
+			// get only the last updated version
+			$xref['trailer'] = array();
+			$xref['trailer'][0] = PDF_TYPE_DICTIONARY;
+			$xref['trailer'][1] = array();
+			$filltrailer = true;
+		} else {
+			$filltrailer = false;
+		}
+		$valid_crs = false;
+		$sarr = $xrefcrs[0][1];
+		$keys = array_keys($sarr);
+		$columns = 1; // Default as per PDF 32000-1:2008.
+		$predictor = 1; // Default as per PDF 32000-1:2008.
+		foreach ($keys as $k=>$key) {
+			$v = $sarr[$key];
+			if (($key == '/Type') AND ($v[0] == PDF_TYPE_TOKEN AND ($v[1] == 'XRef'))) {
+				$valid_crs = true;
+			} elseif (($key == '/Index') AND ($v[0] == PDF_TYPE_ARRAY AND count($v[1]) >= 2)) {
+				// first object number in the subsection
+				$index_first = intval($v[1][0][1]);
+				// number of entries in the subsection
+				$index_entries = intval($v[1][1][1]);
+			} elseif (($key == '/Prev') AND ($v[0] == PDF_TYPE_NUMERIC)) {
+				// get previous xref offset
+				$prevxref = intval($v[1]);
+			} elseif (($key == '/W') AND ($v[0] == PDF_TYPE_ARRAY)) {
+				// number of bytes (in the decoded stream) of the corresponding field
+				$wb = array();
+				$wb[0] = intval($v[1][0][1]);
+				$wb[1] = intval($v[1][1][1]);
+				$wb[2] = intval($v[1][2][1]);
+			} elseif (($key == '/DecodeParms') AND ($v[0] == PDF_TYPE_DICTIONARY)) {
+				$decpar = $v[1];
+				foreach ($decpar as $kdc => $vdc) {
+					if (($kdc == '/Columns') AND ($vdc[0] == PDF_TYPE_NUMERIC)) {
+						$columns = intval($vdc[1]);
+					} elseif (($kdc == '/Predictor') AND ($vdc[0] == PDF_TYPE_NUMERIC)) {
+						$predictor = intval($vdc[1]);
+					}
+				}
+			} elseif ($filltrailer) {
+				switch($key) {
+					case '/Size':
+					case '/Root':
+					case '/Info':
+					case '/ID':
+						$xref['trailer'][1][$key] = $v;
+						break;
+					default:
+						break;
+				}
+			}
+		}
+		// decode data
+		$obj_num = 0;
+		if ($valid_crs AND isset($xrefcrs[1][3][0])) {
+			// number of bytes in a row
+			$rowlen = ($columns + 1);
+			// convert the stream into an array of integers
+			$sdata = unpack('C*', $xrefcrs[1][3][0]);
+			// split the rows
+			$sdata = array_chunk($sdata, $rowlen);
+			// initialize decoded array
+			$ddata = array();
+			// initialize first row with zeros
+			$prev_row = array_fill (0, $rowlen, 0);
+			// for each row apply PNG unpredictor
+			foreach ($sdata as $k => $row) {
+				// initialize new row
+				$ddata[$k] = array();
+				// get PNG predictor value
+				if (empty($predictor)) {
+					$predictor = (10 + $row[0]);
+				}
+				// for each byte on the row
+				for ($i=1; $i<=$columns; ++$i) {
+					if (!isset($row[$i])) {
+						// No more data in this row - we're done here.
+						break;
+					}
+					// new index
+					$j = ($i - 1);
+					$row_up = $prev_row[$j];
+					if ($i == 1) {
+						$row_left = 0;
+						$row_upleft = 0;
+					} else {
+						$row_left = $row[($i - 1)];
+						$row_upleft = $prev_row[($j - 1)];
+					}
+					switch ($predictor) {
+						case 1: // No prediction (equivalent to PNG None)
+						case 10: { // PNG prediction (on encoding, PNG None on all rows)
+							$ddata[$k][$j] = $row[$i];
+							break;
+						}
+						case 11: { // PNG prediction (on encoding, PNG Sub on all rows)
+							$ddata[$k][$j] = (($row[$i] + $row_left) & 0xff);
+							break;
+						}
+						case 12: { // PNG prediction (on encoding, PNG Up on all rows)
+							$ddata[$k][$j] = (($row[$i] + $row_up) & 0xff);
+							break;
+						}
+						case 13: { // PNG prediction (on encoding, PNG Average on all rows)
+							$ddata[$k][$j] = (($row[$i] + (($row_left + $row_up) / 2)) & 0xff);
+							break;
+						}
+						case 14: { // PNG prediction (on encoding, PNG Paeth on all rows)
+							// initial estimate
+							$p = ($row_left + $row_up - $row_upleft);
+							// distances
+							$pa = abs($p - $row_left);
+							$pb = abs($p - $row_up);
+							$pc = abs($p - $row_upleft);
+							$pmin = min($pa, $pb, $pc);
+							// return minumum distance
+							switch ($pmin) {
+								case $pa: {
+									$ddata[$k][$j] = (($row[$i] + $row_left) & 0xff);
+									break;
+								}
+								case $pb: {
+									$ddata[$k][$j] = (($row[$i] + $row_up) & 0xff);
+									break;
+								}
+								case $pc: {
+									$ddata[$k][$j] = (($row[$i] + $row_upleft) & 0xff);
+									break;
+								}
+							}
+							break;
+						}
+						default: { // PNG prediction (on encoding, PNG optimum)
+							$this->Error("Unknown PNG predictor $predictor");
+							break;
+						}
+					}
+				}
+				$prev_row = $ddata[$k];
+			} // end for each row
+			// complete decoding
+			unset($sdata);
+			$sdata = array();
+			// for every row
+			foreach ($ddata as $k => $row) {
+				// initialize new row
+				$sdata[$k] = array(0, 0, 0);
+				if ($wb[0] == 0) {
+					// default type field
+					$sdata[$k][0] = 1;
+				}
+				$i = 0; // count bytes on the row
+				// for every column
+				for ($c = 0; $c < 3; ++$c) {
+					// for every byte on the column
+					for ($b = 0; $b < $wb[$c]; ++$b) {
+						if (isset($row[$i])) {
+							$sdata[$k][$c] += ($row[$i] << (($wb[$c] - 1 - $b) * 8));
+						}
+						++$i;
+					}
+				}
+			}
+			unset($ddata);
+			// fill xref
+			if (isset($index_first)) {
+				$obj_num = $index_first;
+			} else {
+				$obj_num = 0;
+			}
+			foreach ($sdata as $k => $row) {
+				switch ($row[0]) {
+					case 0: { // (f) linked list of free objects
+						++$obj_num;
+						break;
+					}
+					case 1: { // (n) objects that are in use but are not compressed
+						// create unique object index: [object number]_[generation number]
+						$index = $obj_num.'_'.$row[2];
+						// check if object already exist
+						if (!isset($xref['xref'][$obj_num][$row[2]])) {
+							// store object offset position
+							$xref['xref'][$obj_num][$row[2]] = $row[1];
+						}
+						++$obj_num;
+						break;
+					}
+					case 2: { // compressed objects
+						// $row[1] = object number of the object stream in which this object is stored
+						// $row[2] = index of this object within the object stream
+						/*$index = $row[1].'_0_'.$row[2];
                         $xref['xref'][$row[1]][0][$row[2]] = -1;*/
-                        break;
-                    }
-                    default: { // null objects
-                        break;
-                    }
-                }
-            }
-        } // end decoding data
-        $xref['max_object'] = max($xref['max_object'], $obj_num);
-        if (isset($prevxref)) {
-            // get previous xref
-            $xref = $this->getXrefData($prevxref, $xref);
-        }
-        return $xref;
-    }
-
-    /**
-     * Get raw stream data
-     * @param $offset (int) Stream offset.
-     * @param $length (int) Stream length.
-     * @return string Steam content
-     * @protected
-     */
-    protected function getRawStream($offset, $length) {
-        $offset += strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $offset);
-        $offset += 6; // "stream"
-        $offset += strspn($this->pdfdata, "\x20", $offset);
-        $offset += strspn($this->pdfdata, "\r\n", $offset);
-
-        $obj = array();
-        $obj[] = PDF_TYPE_STREAM;
-        $obj[] = substr($this->pdfdata, $offset, $length);
-
-        return array($obj, $offset+$length);
-    }
-
-    /**
-     * Get object type, raw value and offset to next object
-     * @param $offset (int) Object offset.
-     * @return array containing object type, raw value and offset to next object
-     * @protected
-     * @since 1.0.000 (2011-06-20)
-     */
-    protected function getRawObject($offset=0, $data=null) {
-        if ($data == null) {
-            $data =& $this->pdfdata;
-        }
-        $objtype = ''; // object type to be returned
-        $objval = ''; // object value to be returned
-        // skip initial white space chars: \x00 null (NUL), \x09 horizontal tab (HT), \x0A line feed (LF), \x0C form feed (FF), \x0D carriage return (CR), \x20 space (SP)
+						break;
+					}
+					default: { // null objects
+						break;
+					}
+				}
+			}
+		} // end decoding data
+		$xref['max_object'] = max($xref['max_object'], $obj_num);
+		if (isset($prevxref)) {
+			// get previous xref
+			$xref = $this->getXrefData($prevxref, $xref);
+		}
+		return $xref;
+	}
+
+	/**
+	 * Get raw stream data
+	 * @param $offset (int) Stream offset.
+	 * @param $length (int) Stream length.
+	 * @return string Steam content
+	 * @protected
+	 */
+	protected function getRawStream($offset, $length) {
+		$offset += strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $offset);
+		$offset += 6; // "stream"
+		$offset += strspn($this->pdfdata, "\x20", $offset);
+		$offset += strspn($this->pdfdata, "\r\n", $offset);
+
+		$obj = array();
+		$obj[] = PDF_TYPE_STREAM;
+		$obj[] = substr($this->pdfdata, $offset, $length);
+
+		return array($obj, $offset+$length);
+	}
+
+	/**
+	 * Get object type, raw value and offset to next object
+	 * @param $offset (int) Object offset.
+	 * @return array containing object type, raw value and offset to next object
+	 * @protected
+	 * @since 1.0.000 (2011-06-20)
+	 */
+	protected function getRawObject($offset=0, $data=null) {
+		if ($data == null) {
+			$data =& $this->pdfdata;
+		}
+		$objtype = ''; // object type to be returned
+		$objval = ''; // object value to be returned
+		// skip initial white space chars: \x00 null (NUL), \x09 horizontal tab (HT), \x0A line feed (LF), \x0C form feed (FF), \x0D carriage return (CR), \x20 space (SP)
 		while (strspn($data[$offset], "\x00\x09\x0a\x0c\x0d\x20") == 1) {
-            $offset++;
-        }
-        // get first char
+			$offset++;
+		}
+		// get first char
 		$char = $data[$offset];
-        // get object type
-        switch ($char) {
-            case '%': { // \x25 PERCENT SIGN
-                // skip comment and search for next token
-                $next = strcspn($data, "\r\n", $offset);
-                if ($next > 0) {
-                    $offset += $next;
-                    list($obj, $unused) = $this->getRawObject($offset, $data);
-                    return $obj;
-                }
-                break;
-            }
-            case '/': { // \x2F SOLIDUS
-                // name object
-                $objtype = PDF_TYPE_TOKEN;
-                ++$offset;
-                $length = strcspn($data, "\x00\x09\x0a\x0c\x0d\x20\x28\x29\x3c\x3e\x5b\x5d\x7b\x7d\x2f\x25", $offset);
-                $objval = substr($data, $offset, $length);
-                $offset += $length;
-                break;
-            }
-            case '(':   // \x28 LEFT PARENTHESIS
-            case ')': { // \x29 RIGHT PARENTHESIS
-                // literal string object
-                $objtype = PDF_TYPE_STRING;
-                ++$offset;
-                $strpos = $offset;
-                if ($char == '(') {
-                    $open_bracket = 1;
-                    while ($open_bracket > 0) {
+		// get object type
+		switch ($char) {
+			case '%': { // \x25 PERCENT SIGN
+				// skip comment and search for next token
+				$next = strcspn($data, "\r\n", $offset);
+				if ($next > 0) {
+					$offset += $next;
+					list($obj, $unused) = $this->getRawObject($offset, $data);
+					return $obj;
+				}
+				break;
+			}
+			case '/': { // \x2F SOLIDUS
+				// name object
+				$objtype = PDF_TYPE_TOKEN;
+				++$offset;
+				$length = strcspn($data, "\x00\x09\x0a\x0c\x0d\x20\x28\x29\x3c\x3e\x5b\x5d\x7b\x7d\x2f\x25", $offset);
+				$objval = substr($data, $offset, $length);
+				$offset += $length;
+				break;
+			}
+			case '(':   // \x28 LEFT PARENTHESIS
+			case ')': { // \x29 RIGHT PARENTHESIS
+				// literal string object
+				$objtype = PDF_TYPE_STRING;
+				++$offset;
+				$strpos = $offset;
+				if ($char == '(') {
+					$open_bracket = 1;
+					while ($open_bracket > 0) {
 						if (!isset($data[$strpos])) {
-                            break;
-                        }
+							break;
+						}
 						$ch = $data[$strpos];
-                        switch ($ch) {
-                            case '\\': { // REVERSE SOLIDUS (5Ch) (Backslash)
-                                // skip next character
-                                ++$strpos;
-                                break;
-                            }
-                            case '(': { // LEFT PARENHESIS (28h)
-                                ++$open_bracket;
-                                break;
-                            }
-                            case ')': { // RIGHT PARENTHESIS (29h)
-                                --$open_bracket;
-                                break;
-                            }
-                        }
-                        ++$strpos;
-                    }
-                    $objval = substr($data, $offset, ($strpos - $offset - 1));
-                    $offset = $strpos;
-                }
-                break;
-            }
-            case '[':   // \x5B LEFT SQUARE BRACKET
-            case ']': { // \x5D RIGHT SQUARE BRACKET
-                // array object
-                $objtype = PDF_TYPE_ARRAY;
-                ++$offset;
-                if ($char == '[') {
-                    // get array content
-                    $objval = array();
-                    do {
-                        // get element
-                        list($element, $offset) = $this->getRawObject($offset, $data);
-                        $objval[] = $element;
-                    } while ($element[0] !== ']');
-                    // remove closing delimiter
-                    array_pop($objval);
-                } else {
-                    $objtype = ']';
-                }
-                break;
-            }
-            case '<':   // \x3C LESS-THAN SIGN
-            case '>': { // \x3E GREATER-THAN SIGN
+						switch ($ch) {
+							case '\\': { // REVERSE SOLIDUS (5Ch) (Backslash)
+								// skip next character
+								++$strpos;
+								break;
+							}
+							case '(': { // LEFT PARENHESIS (28h)
+								++$open_bracket;
+								break;
+							}
+							case ')': { // RIGHT PARENTHESIS (29h)
+								--$open_bracket;
+								break;
+							}
+						}
+						++$strpos;
+					}
+					$objval = substr($data, $offset, ($strpos - $offset - 1));
+					$offset = $strpos;
+				}
+				break;
+			}
+			case '[':   // \x5B LEFT SQUARE BRACKET
+			case ']': { // \x5D RIGHT SQUARE BRACKET
+				// array object
+				$objtype = PDF_TYPE_ARRAY;
+				++$offset;
+				if ($char == '[') {
+					// get array content
+					$objval = array();
+					do {
+						// get element
+						list($element, $offset) = $this->getRawObject($offset, $data);
+						$objval[] = $element;
+					} while ($element[0] !== ']');
+					// remove closing delimiter
+					array_pop($objval);
+				} else {
+					$objtype = ']';
+				}
+				break;
+			}
+			case '<':   // \x3C LESS-THAN SIGN
+			case '>': { // \x3E GREATER-THAN SIGN
 				if (isset($data[($offset + 1)]) AND ($data[($offset + 1)] == $char)) {
-                    // dictionary object
-                    $objtype = PDF_TYPE_DICTIONARY;
-                    if ($char == '<') {
-                        list ($objval, $offset) = $this->getDictValue($offset, $data);
-                    } else {
-                        $objtype = '>>';
-                        $offset += 2;
-                    }
-                } else {
-                    // hexadecimal string object
-                    $objtype = PDF_TYPE_HEX;
-                    ++$offset;
-                    // The "Panose" entry in the FontDescriptor Style dict seems to have hex bytes separated by spaces.
-                    if (($char == '<') AND (preg_match('/^([0-9A-Fa-f ]+)[>]/iU', substr($data, $offset), $matches) == 1)) {
-                        $objval = $matches[1];
-                        $offset += strlen($matches[0]);
-                        unset($matches);
-                    }
-                }
-                break;
-            }
-            default: {
+					// dictionary object
+					$objtype = PDF_TYPE_DICTIONARY;
+					if ($char == '<') {
+						list ($objval, $offset) = $this->getDictValue($offset, $data);
+					} else {
+						$objtype = '>>';
+						$offset += 2;
+					}
+				} else {
+					// hexadecimal string object
+					$objtype = PDF_TYPE_HEX;
+					++$offset;
+					// The "Panose" entry in the FontDescriptor Style dict seems to have hex bytes separated by spaces.
+					if (($char == '<') AND (preg_match('/^([0-9A-Fa-f ]+)[>]/iU', substr($data, $offset), $matches) == 1)) {
+						$objval = $matches[1];
+						$offset += strlen($matches[0]);
+						unset($matches);
+					}
+				}
+				break;
+			}
+			default: {
 				$frag = $data[$offset] . @$data[$offset+1] . @$data[$offset+2] . @$data[$offset+3];
-                switch ($frag) {
-                    case 'endo':
-                        // indirect object
-                        $objtype = 'endobj';
-                        $offset += 6;
-                        break;
-                    case 'stre':
-                        // Streams should always be indirect objects, and thus processed by getRawStream().
-                        // If we get here, treat it as a null object as something has gone wrong.
-                    case 'null':
-                        // null object
-                        $objtype = PDF_TYPE_NULL;
-                        $offset += 4;
-                        $objval = 'null';
-                        break;
-                    case 'true':
-                        // boolean true object
-                        $objtype = PDF_TYPE_BOOLEAN;
-                        $offset += 4;
-                        $objval = true;
-                        break;
-                    case 'fals':
-                        // boolean false object
-                        $objtype = PDF_TYPE_BOOLEAN;
-                        $offset += 5;
-                        $objval = false;
-                        break;
-                    case 'ends':
-                        // end stream object
-                        $objtype = 'endstream';
-                        $offset += 9;
-                        break;
-                    default:
-                        if (preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+([Robj]{1,3})/i', substr($data, $offset, 33), $matches) == 1) {
-                            if ($matches[3] == 'R') {
-                                // indirect object reference
-                                $objtype = PDF_TYPE_OBJREF;
-                                $offset += strlen($matches[0]);
-                                $objval = array(intval($matches[1]), intval($matches[2]));
-                            } elseif ($matches[3] == 'obj') {
-                                // object start
-                                $objtype = PDF_TYPE_OBJECT;
-                                $objval = intval($matches[1]).'_'.intval($matches[2]);
-                                $offset += strlen ($matches[0]);
-                            }
-                        } elseif (($numlen = strspn($data, '+-.0123456789', $offset)) > 0) {
-                            // numeric object
-                            $objval = substr($data, $offset, $numlen);
-                            $objtype = (intval($objval) != $objval) ? PDF_TYPE_REAL : PDF_TYPE_NUMERIC;
-                            $offset += $numlen;
-                        }
-                        unset($matches);
-                        break;
-                }
-                break;
-            }
-        }
-        $obj = array();
-        $obj[] = $objtype;
-        if ($objtype == PDF_TYPE_OBJREF && is_array($objval)) {
-            foreach ($objval as $val) {
-                $obj[] = $val;
-            }
-        } else {
-            $obj[] = $objval;
-        }
-        return array($obj, $offset);
-    }
-    private function getDictValue($offset, &$data) {
-        $objval = array();
-
-        // Extract dict from data.
-        $i=1;
-        $dict = '';
-        $offset += 2;
-        do {
+				switch ($frag) {
+					case 'endo':
+						// indirect object
+						$objtype = 'endobj';
+						$offset += 6;
+						break;
+					case 'stre':
+						// Streams should always be indirect objects, and thus processed by getRawStream().
+						// If we get here, treat it as a null object as something has gone wrong.
+					case 'null':
+						// null object
+						$objtype = PDF_TYPE_NULL;
+						$offset += 4;
+						$objval = 'null';
+						break;
+					case 'true':
+						// boolean true object
+						$objtype = PDF_TYPE_BOOLEAN;
+						$offset += 4;
+						$objval = true;
+						break;
+					case 'fals':
+						// boolean false object
+						$objtype = PDF_TYPE_BOOLEAN;
+						$offset += 5;
+						$objval = false;
+						break;
+					case 'ends':
+						// end stream object
+						$objtype = 'endstream';
+						$offset += 9;
+						break;
+					default:
+						if (preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+([Robj]{1,3})/i', substr($data, $offset, 33), $matches) == 1) {
+							if ($matches[3] == 'R') {
+								// indirect object reference
+								$objtype = PDF_TYPE_OBJREF;
+								$offset += strlen($matches[0]);
+								$objval = array(intval($matches[1]), intval($matches[2]));
+							} elseif ($matches[3] == 'obj') {
+								// object start
+								$objtype = PDF_TYPE_OBJECT;
+								$objval = intval($matches[1]).'_'.intval($matches[2]);
+								$offset += strlen ($matches[0]);
+							}
+						} elseif (($numlen = strspn($data, '+-.0123456789', $offset)) > 0) {
+							// numeric object
+							$objval = substr($data, $offset, $numlen);
+							$objtype = (intval($objval) != $objval) ? PDF_TYPE_REAL : PDF_TYPE_NUMERIC;
+							$offset += $numlen;
+						}
+						unset($matches);
+						break;
+				}
+				break;
+			}
+		}
+		$obj = array();
+		$obj[] = $objtype;
+		if ($objtype == PDF_TYPE_OBJREF && is_array($objval)) {
+			foreach ($objval as $val) {
+				$obj[] = $val;
+			}
+		} else {
+			$obj[] = $objval;
+		}
+		return array($obj, $offset);
+	}
+	private function getDictValue($offset, &$data) {
+		$objval = array();
+
+		// Extract dict from data.
+		$i=1;
+		$dict = '';
+		$offset += 2;
+		do {
 			if ($data[$offset] == '>' && $data[$offset+1] == '>') {
-                $i--;
-                $dict .= '>>';
-                $offset += 2;
+				$i--;
+				$dict .= '>>';
+				$offset += 2;
 			} else if ($data[$offset] == '<' && $data[$offset+1] == '<') {
-                $i++;
-                $dict .= '<<';
-                $offset += 2;
-            } else {
+				$i++;
+				$dict .= '<<';
+				$offset += 2;
+			} else {
 				$dict .= $data[$offset];
-                $offset++;
-            }
-        } while ($i>0);
-
-        // Now that we have just the dict, parse it.
-        $dictoffset = 0;
-        do {
-            // Get dict element.
-            list($key, $eloffset) = $this->getRawObject($dictoffset, $dict);
-            if ($key[0] == '>>') {
-                break;
-            }
-            list($element, $dictoffset) = $this->getRawObject($eloffset, $dict);
-            $objval['/'.$key[1]] = $element;
-            unset($key);
-            unset($element);
-        } while (true);
-
-        return array($objval, $offset);
-    }
-
-    /**
-     * Get content of indirect object.
-     * @param $obj_ref (string) Object number and generation number separated by underscore character.
-     * @param $offset (int) Object offset.
-     * @param $decoding (boolean) If true decode streams.
-     * @return array containing object data.
-     * @protected
-     * @since 1.0.000 (2011-05-24)
-     */
-    protected function getIndirectObject($obj_ref, $offset=0, $decoding=true) {
-        $obj = explode('_', $obj_ref);
-        if (($obj === false) OR (count($obj) != 2)) {
-            $this->Error('Invalid object reference: '.$obj);
-            return;
-        }
-        $objref = $obj[0].' '.$obj[1].' obj';
-
-        if (strpos($this->pdfdata, $objref, $offset) != $offset) {
-            // an indirect reference to an undefined object shall be considered a reference to the null object
-            return array('null', 'null', $offset);
-        }
-        // starting position of object content
-        $offset += strlen($objref);
-        // get array of object content
-        $objdata = array();
-        $i = 0; // object main index
-        do {
-            if (($i > 0) AND (isset($objdata[($i - 1)][0])) AND ($objdata[($i - 1)][0] == PDF_TYPE_DICTIONARY) AND array_key_exists('/Length', $objdata[($i - 1)][1])) {
-                // Stream - get using /Length in stream's dict
-                $lengthobj = $objdata[($i-1)][1]['/Length'];
-                if ($lengthobj[0] === PDF_TYPE_OBJREF) {
-                    $lengthobj = $this->getObjectVal($lengthobj);
-                    if ($lengthobj[0] === PDF_TYPE_OBJECT) {
-                        $lengthobj = $lengthobj[1];
-                    }
-                }
-                $streamlength = $lengthobj[1];
-                list($element, $offset) = $this->getRawStream($offset, $streamlength);
-            } else {
-                // get element
-                list($element, $offset) = $this->getRawObject($offset);
-            }
-            // decode stream using stream's dictionary information
-            if ($decoding AND ($element[0] == PDF_TYPE_STREAM) AND (isset($objdata[($i - 1)][0])) AND ($objdata[($i - 1)][0] == PDF_TYPE_DICTIONARY)) {
-                $element[3] = $this->decodeStream($objdata[($i - 1)][1], $element[1]);
-            }
-            $objdata[$i] = $element;
-            ++$i;
-        } while ($element[0] != 'endobj');
-        // remove closing delimiter
-        array_pop($objdata);
-        // return raw object content
-        return $objdata;
-    }
-
-    /**
-     * Get the content of object, resolving indect object reference if necessary.
-     * @param $obj (string) Object value.
-     * @return array containing object data.
-     * @public
-     * @since 1.0.000 (2011-06-26)
-     */
-    public function getObjectVal($obj) {
-        if ($obj[0] == PDF_TYPE_OBJREF) {
-            if (strpos($obj[1], '_') !== false) {
-                $key = explode('_', $obj[1]);
-            } else {
-                $key = array($obj[1], $obj[2]);
-            }
-
-            $ret = array(0=>PDF_TYPE_OBJECT, 'obj'=>$key[0], 'gen'=>$key[1]);
-
-            // reference to indirect object
-            $object = null;
-            if (isset($this->objects[$key[0]][$key[1]])) {
-                // this object has been already parsed
-                $object = $this->objects[$key[0]][$key[1]];
-            } elseif (($offset = $this->findObjectOffset($key)) !== false) {
-                // parse new object
-                $this->objects[$key[0]][$key[1]] = $this->getIndirectObject($key[0].'_'.$key[1], $offset, false);
-                $object = $this->objects[$key[0]][$key[1]];
-            } elseif (($key[1] == 0) && isset($this->objstreamobjs[$key[0]])) {
-                // Object is in an object stream
-                $streaminfo = $this->objstreamobjs[$key[0]];
-                $objs = $streaminfo[0];
-                if (!isset($this->objstreams[$objs[0]][$objs[1]])) {
-                    // Fetch and decode object stream
-                    $offset = $this->findObjectOffset($objs);;
-                    $objstream = $this->getObjectVal(array(PDF_TYPE_OBJREF, $objs[0], $objs[1]));
-                    $decoded = $this->decodeStream($objstream[1][1], $objstream[2][1]);
-                    $this->objstreams[$objs[0]][$objs[1]] = $decoded[0]; // Store just the data, in case we need more from this objstream
-                    // Free memory
-                    unset($objstream);
-                    unset($decoded);
-                }
-                $this->objects[$key[0]][$key[1]] = $this->getRawObject($streaminfo[1], $this->objstreams[$objs[0]][$objs[1]]);
-                $object = $this->objects[$key[0]][$key[1]];
-            }
-            if (!is_null($object)) {
-                $ret[1] = $object[0];
-                if (isset($object[1][0]) && $object[1][0] == PDF_TYPE_STREAM) {
-                    $ret[0] = PDF_TYPE_STREAM;
-                    $ret[2] = $object[1];
-                }
-                return $ret;
-            }
-        }
-        return $obj;
-    }
-
-    /**
-     * Extract object stream to find out what it contains.
-     *
-     */
-    function extractObjectStream($key) {
-        $objref = array(PDF_TYPE_OBJREF, $key[0], $key[1]);
-        $obj = $this->getObjectVal($objref);
-        if ($obj[0] !== PDF_TYPE_STREAM || !isset($obj[1][1]['/First'][1])) {
-            // Not a valid object stream dictionary - skip it.
-            return;
-        }
-        $stream = $this->decodeStream($obj[1][1], $obj[2][1]);// Decode object stream, as we need the first bit
-        $first = intval($obj[1][1]['/First'][1]);
-        $ints = preg_split('/\s/', substr($stream[0], 0, $first)); // Get list of object / offset pairs
-        for ($j=1; $j<count($ints); $j++) {
-            if (($j % 2) == 1) {
-                $this->objstreamobjs[$ints[$j-1]] = array($key, $ints[$j]+$first);
-            }
-        }
-
-        // Free memory - we may not need this at all.
-        unset($obj);
-        unset($stream);
-    }
-
-    /**
-     * Find all object offsets.  Saves having to scour the file multiple times.
-     * @private
-     */
-    private function findObjectOffsets() {
-        $this->objoffsets = array();
-        if (preg_match_all('/(*ANYCRLF)^[\s]*([0-9]+)[\s]+([0-9]+)[\s]+obj/im', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE) >= 1) {
-            $i = 0;
-            $laststreamend = 0;
-            foreach($matches[0] as $match) {
-                $offset = $match[1] + strspn($match[0], "\x00\x09\x0a\x0c\x0d\x20");
-                if ($offset < $laststreamend) {
-                    // Contained within another stream, skip it.
-                    continue;
-                }
-                $this->objoffsets[trim($match[0])] = $offset;
-                $dictoffset = $match[1] + strlen($match[0]);
-                $dictfrag = substr($this->pdfdata, $dictoffset, 256);
-                if (preg_match('|^\s+<<[^>]+/Length\s+(\d+)|', $dictfrag, $lengthmatch, PREG_OFFSET_CAPTURE) == 1) {
-                    $laststreamend += intval($lengthmatch[1][0]);
-                }
-                if (preg_match('|^\s+<<[^>]+/ObjStm|', $dictfrag, $objstm) == 1) {
-                    $this->extractObjectStream(array($matches[1][$i][0], $matches[2][$i][0]));
-                }
-                $i++;
-            }
-        }
-        unset($lengthmatch);
-        unset($dictfrag);
-        unset($matches);
-    }
-
-    /**
-     * Get offset of an object.  Checks xref first, then offsets found by scouring the file.
-     * @param $key (array) Object key to find (obj, gen).
-     * @return int Offset of the object in $this->pdfdata.
-     * @private
-     */
-    private function findObjectOffset($key) {
-        $objref = $key[0].' '.$key[1].' obj';
-        if (isset($this->xref['xref'][$key[0]][$key[1]])) {
-            $offset = $this->xref['xref'][$key[0]][$key[1]];
-            if (strpos($this->pdfdata, $objref, $offset) === $offset) {
-                // Offset is in xref table and matches actual position in file
-                //echo "Offset in XREF is correct, returning<br>";
-                return $this->xref['xref'][$key[0]][$key[1]];
-            }
-        }
-        if (array_key_exists($objref, $this->objoffsets)) {
-            //echo "Offset found in internal reftable<br>";
-            return $this->objoffsets[$objref];
-        }
-        return false;
-    }
-
-    /**
-     * Decode the specified stream.
-     * @param $sdic (array) Stream's dictionary array.
-     * @param $stream (string) Stream to decode.
-     * @return array containing decoded stream data and remaining filters.
-     * @protected
-     * @since 1.0.000 (2011-06-22)
-     */
-    protected function decodeStream($sdic, $stream) {
-        // get stream lenght and filters
-        $slength = strlen($stream);
-        if ($slength <= 0) {
-            return array('', array());
-        }
-        $filters = array();
-        foreach ($sdic as $k => $v) {
-            if ($v[0] == PDF_TYPE_TOKEN) {
-                if (($k == '/Length') AND ($v[0] == PDF_TYPE_NUMERIC)) {
-                    // get declared stream lenght
-                    $declength = intval($v[1]);
-                    if ($declength < $slength) {
-                        $stream = substr($stream, 0, $declength);
-                        $slength = $declength;
-                    }
-                } elseif ($k == '/Filter') {
-                    if ($v[0] == PDF_TYPE_TOKEN) {
-                        // single filter
-                        $filters[] = $v[1];
-                    } elseif ($v[0] == PDF_TYPE_ARRAY) {
-                        // array of filters
-                        foreach ($v[1] as $flt) {
-                            if ($flt[0] == PDF_TYPE_TOKEN) {
-                                $filters[] = $flt[1];
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        // decode the stream
-        $remaining_filters = array();
-        foreach ($filters as $filter) {
-            if (in_array($filter, $this->FilterDecoders->getAvailableFilters())) {
-                $stream = $this->FilterDecoders->decodeFilter($filter, $stream);
-            } else {
-                // add missing filter to array
-                $remaining_filters[] = $filter;
-            }
-        }
-        return array($stream, $remaining_filters);
-    }
-
-
-    /**
-     * Set pageno
-     *
-     * @param int $pageno Pagenumber to use
-     */
-    public function setPageno($pageno) {
-        $pageno = ((int) $pageno) - 1;
-
-        if ($pageno < 0 || $pageno >= $this->getPageCount()) {
-            $this->error("Pagenumber is wrong! (Requested $pageno, max ".$this->getPageCount().")");
-        }
-
-        $this->pageno = $pageno;
-    }
-
-    /**
-     * Get page-resources from current page
-     *
-     * @return array
-     */
-    public function getPageResources() {
-        return $this->_getPageResources($this->pages[$this->pageno]);
-    }
-
-    /**
-     * Get page-resources from /Page
-     *
-     * @param array $obj Array of pdf-data
-     */
-    private function _getPageResources ($obj) { // $obj = /Page
-        $obj = $this->getObjectVal($obj);
-
-        // If the current object has a resources
-        // dictionary associated with it, we use
-        // it. Otherwise, we move back to its
-        // parent object.
-        if (isset ($obj[1][1]['/Resources'])) {
-            $res = $obj[1][1]['/Resources'];
-            if ($res[0] == PDF_TYPE_OBJECT)
-                return $res[1];
-            return $res;
-        } else {
-            if (!isset ($obj[1][1]['/Parent'])) {
-                return false;
-            } else {
-                $res = $this->_getPageResources($obj[1][1]['/Parent']);
-                if ($res[0] == PDF_TYPE_OBJECT)
-                    return $res[1];
-                return $res;
-            }
-        }
-    }
-
-    /**
-     * Get annotations from current page
-     *
-     * @return array
-     */
-    public function getPageAnnotations() {
-        return $this->_getPageAnnotations($this->pages[$this->pageno]);
-    }
-
-    /**
-     * Get annotations from /Page
-     *
-     * @param array $obj Array of pdf-data
-     */
-    private function _getPageAnnotations ($obj) { // $obj = /Page
-        $obj = $this->getObjectVal($obj);
-
-        // If the current object has an annotations
-        // dictionary associated with it, we use
-        // it. Otherwise, we move back to its
-        // parent object.
-        if (isset ($obj[1][1]['/Annots'])) {
-            $annots = $obj[1][1]['/Annots'];
-        } else {
-            if (!isset ($obj[1][1]['/Parent'])) {
-                return false;
-            } else {
-                $annots = $this->_getPageAnnotations($obj[1][1]['/Parent']);
-            }
-        }
-
-        if ($annots[0] == PDF_TYPE_OBJREF)
-            return $this->getObjectVal($annots);
-        return $annots;
-    }
-
-
-    /**
-     * Get content of current page
-     *
-     * If more /Contents is an array, the streams are concated
-     *
-     * @return string
-     */
-    public function getContent() {
-        $buffer = '';
-
-        if (isset($this->pages[$this->pageno][1][1]['/Contents'])) {
-            $contents = $this->_getPageContent($this->pages[$this->pageno][1][1]['/Contents']);
-            foreach($contents AS $tmp_content) {
-                $buffer .= $this->_rebuildContentStream($tmp_content) . ' ';
-            }
-        }
-
-        return $buffer;
-    }
-
-
-    /**
-     * Resolve all content-objects
-     *
-     * @param array $content_ref
-     * @return array
-     */
-    private function _getPageContent($content_ref) {
-        $contents = array();
-
-        if ($content_ref[0] == PDF_TYPE_OBJREF) {
-            $content = $this->getObjectVal($content_ref);
-            if ($content[1][0] == PDF_TYPE_ARRAY) {
-                $contents = $this->_getPageContent($content[1]);
-            } else {
-                $contents[] = $content;
-            }
-        } elseif ($content_ref[0] == PDF_TYPE_ARRAY) {
-            foreach ($content_ref[1] AS $tmp_content_ref) {
-                $contents = array_merge($contents,$this->_getPageContent($tmp_content_ref));
-            }
-        }
-
-        return $contents;
-    }
-
-
-    /**
-     * Rebuild content-streams
-     *
-     * @param array $obj
-     * @return string
-     */
-    private function _rebuildContentStream($obj) {
-        $filters = array();
-
-        if (isset($obj[1][1]['/Filter'])) {
-            $_filter = $obj[1][1]['/Filter'];
-
-            if ($_filter[0] == PDF_TYPE_OBJREF) {
-                $tmpFilter = $this->getObjectVal($_filter);
-                $_filter = $tmpFilter[1];
-            }
-
-            if ($_filter[0] == PDF_TYPE_TOKEN) {
-                $filters[] = $_filter;
-            } elseif ($_filter[0] == PDF_TYPE_ARRAY) {
-                $filters = $_filter[1];
-            }
-        }
-
-        $stream = $obj[2][1];
-
-        foreach ($filters AS $_filter) {
-            $stream = $this->FilterDecoders->decodeFilter($_filter[1], $stream);
-        }
-
-        return $stream;
-    }
-
-
-    /**
-     * Get a Box from a page
-     * Arrayformat is same as used by fpdf_tpl
-     *
-     * @param array $page a /Page
-     * @param string $box_index Type of Box @see $availableBoxes
-     * @param float Scale factor from user space units to points
-     * @return array
-     */
-    public function getPageBox($page, $box_index, $k) {
-        $page = $this->getObjectVal($page);
-        $box = null;
-        if (isset($page[1][1][$box_index]))
-            $box =& $page[1][1][$box_index];
-
-        if (!is_null($box) && $box[0] == PDF_TYPE_OBJREF) {
-            $tmp_box = $this->getObjectVal($box);
-            $box = $tmp_box[1];
-        }
-
-        if (!is_null($box) && $box[0] == PDF_TYPE_ARRAY) {
-            $b =& $box[1];
-            return array('x' => $b[0][1] / $k,
-                         'y' => $b[1][1] / $k,
-                         'w' => abs($b[0][1] - $b[2][1]) / $k,
-                         'h' => abs($b[1][1] - $b[3][1]) / $k,
-                         'llx' => min($b[0][1], $b[2][1]) / $k,
-                         'lly' => min($b[1][1], $b[3][1]) / $k,
-                         'urx' => max($b[0][1], $b[2][1]) / $k,
-                         'ury' => max($b[1][1], $b[3][1]) / $k,
-                         );
-        } elseif (!isset ($page[1][1]['/Parent'])) {
-            return false;
-        } else {
-            return $this->getPageBox($this->getObjectVal($page[1][1]['/Parent']), $box_index, $k);
-        }
-    }
-
-    /**
-     * Get all page boxes by page no
-     *
-     * @param int The page number
-     * @param float Scale factor from user space units to points
-     * @return array
-     */
-    public function getPageBoxes($pageno, $k) {
-        return $this->_getPageBoxes($this->pages[$pageno - 1], $k);
-    }
-
-    /**
-     * Get all boxes from /Page
-     *
-     * @param array a /Page
-     * @return array
-     */
-    private function _getPageBoxes($page, $k) {
-        $boxes = array();
-
-        foreach($this->availableBoxes AS $box) {
-            if ($_box = $this->getPageBox($page, $box, $k)) {
-                $boxes[$box] = $_box;
-            }
-        }
-
-        return $boxes;
-    }
-
-    /**
-     * Get the page rotation by pageno
-     *
-     * @param integer $pageno
-     * @return array
-     */
-    public function getPageRotation($pageno) {
-        return $this->_getPageRotation($this->pages[$pageno - 1]);
-    }
-
-    private function _getPageRotation($obj) { // $obj = /Page
-        $obj = $this->getObjectVal($obj);
-        if (isset ($obj[1][1]['/Rotate'])) {
-            $res = $this->getObjectVal($obj[1][1]['/Rotate']);
-    		if (isset($res[0]) && $res[0] == PDF_TYPE_OBJECT)
-                return $res[1];
-            return $res;
-        } else {
-            if (!isset ($obj[1][1]['/Parent'])) {
-                return false;
-            } else {
-                $res = $this->_getPageRotation($obj[1][1]['/Parent']);
-                if (isset($res[0]) && $res[0] == PDF_TYPE_OBJECT)
-                    return $res[1];
-                return $res;
-            }
-        }
-    }
-
-    /**
-     * This method is automatically called in case of fatal error; it simply outputs the message and halts the execution.
-     * @param $msg (string) The error message
-     * @public
-     * @since 1.0.000 (2011-05-23)
-     */
-    public function Error($msg) {
-        // exit program and print error
-        die("<strong>TCPDI_PARSER ERROR [{$this->uniqueid}]: </strong>".$msg);
-    }
+				$offset++;
+			}
+		} while ($i>0);
+
+		// Now that we have just the dict, parse it.
+		$dictoffset = 0;
+		do {
+			// Get dict element.
+			list($key, $eloffset) = $this->getRawObject($dictoffset, $dict);
+			if ($key[0] == '>>') {
+				break;
+			}
+			list($element, $dictoffset) = $this->getRawObject($eloffset, $dict);
+			$objval['/'.$key[1]] = $element;
+			unset($key);
+			unset($element);
+		} while (true);
+
+		return array($objval, $offset);
+	}
+
+	/**
+	 * Get content of indirect object.
+	 * @param $obj_ref (string) Object number and generation number separated by underscore character.
+	 * @param $offset (int) Object offset.
+	 * @param $decoding (boolean) If true decode streams.
+	 * @return array containing object data.
+	 * @protected
+	 * @since 1.0.000 (2011-05-24)
+	 */
+	protected function getIndirectObject($obj_ref, $offset=0, $decoding=true) {
+		$obj = explode('_', $obj_ref);
+		if (($obj === false) OR (count($obj) != 2)) {
+			$this->Error('Invalid object reference: '.$obj);
+			return;
+		}
+		$objref = $obj[0].' '.$obj[1].' obj';
+
+		if (strpos($this->pdfdata, $objref, $offset) != $offset) {
+			// an indirect reference to an undefined object shall be considered a reference to the null object
+			return array('null', 'null', $offset);
+		}
+		// starting position of object content
+		$offset += strlen($objref);
+		// get array of object content
+		$objdata = array();
+		$i = 0; // object main index
+		do {
+			if (($i > 0) AND (isset($objdata[($i - 1)][0])) AND ($objdata[($i - 1)][0] == PDF_TYPE_DICTIONARY) AND array_key_exists('/Length', $objdata[($i - 1)][1])) {
+				// Stream - get using /Length in stream's dict
+				$lengthobj = $objdata[($i-1)][1]['/Length'];
+				if ($lengthobj[0] === PDF_TYPE_OBJREF) {
+					$lengthobj = $this->getObjectVal($lengthobj);
+					if ($lengthobj[0] === PDF_TYPE_OBJECT) {
+						$lengthobj = $lengthobj[1];
+					}
+				}
+				$streamlength = $lengthobj[1];
+				list($element, $offset) = $this->getRawStream($offset, $streamlength);
+			} else {
+				// get element
+				list($element, $offset) = $this->getRawObject($offset);
+			}
+			// decode stream using stream's dictionary information
+			if ($decoding AND ($element[0] == PDF_TYPE_STREAM) AND (isset($objdata[($i - 1)][0])) AND ($objdata[($i - 1)][0] == PDF_TYPE_DICTIONARY)) {
+				$element[3] = $this->decodeStream($objdata[($i - 1)][1], $element[1]);
+			}
+			$objdata[$i] = $element;
+			++$i;
+		} while ($element[0] != 'endobj');
+		// remove closing delimiter
+		array_pop($objdata);
+		// return raw object content
+		return $objdata;
+	}
+
+	/**
+	 * Get the content of object, resolving indect object reference if necessary.
+	 * @param $obj (string) Object value.
+	 * @return array containing object data.
+	 * @public
+	 * @since 1.0.000 (2011-06-26)
+	 */
+	public function getObjectVal($obj) {
+		if ($obj[0] == PDF_TYPE_OBJREF) {
+			if (strpos($obj[1], '_') !== false) {
+				$key = explode('_', $obj[1]);
+			} else {
+				$key = array($obj[1], $obj[2]);
+			}
+
+			$ret = array(0=>PDF_TYPE_OBJECT, 'obj'=>$key[0], 'gen'=>$key[1]);
+
+			// reference to indirect object
+			$object = null;
+			if (isset($this->objects[$key[0]][$key[1]])) {
+				// this object has been already parsed
+				$object = $this->objects[$key[0]][$key[1]];
+			} elseif (($offset = $this->findObjectOffset($key)) !== false) {
+				// parse new object
+				$this->objects[$key[0]][$key[1]] = $this->getIndirectObject($key[0].'_'.$key[1], $offset, false);
+				$object = $this->objects[$key[0]][$key[1]];
+			} elseif (($key[1] == 0) && isset($this->objstreamobjs[$key[0]])) {
+				// Object is in an object stream
+				$streaminfo = $this->objstreamobjs[$key[0]];
+				$objs = $streaminfo[0];
+				if (!isset($this->objstreams[$objs[0]][$objs[1]])) {
+					// Fetch and decode object stream
+					$offset = $this->findObjectOffset($objs);;
+					$objstream = $this->getObjectVal(array(PDF_TYPE_OBJREF, $objs[0], $objs[1]));
+					$decoded = $this->decodeStream($objstream[1][1], $objstream[2][1]);
+					$this->objstreams[$objs[0]][$objs[1]] = $decoded[0]; // Store just the data, in case we need more from this objstream
+					// Free memory
+					unset($objstream);
+					unset($decoded);
+				}
+				$this->objects[$key[0]][$key[1]] = $this->getRawObject($streaminfo[1], $this->objstreams[$objs[0]][$objs[1]]);
+				$object = $this->objects[$key[0]][$key[1]];
+			}
+			if (!is_null($object)) {
+				$ret[1] = $object[0];
+				if (isset($object[1][0]) && $object[1][0] == PDF_TYPE_STREAM) {
+					$ret[0] = PDF_TYPE_STREAM;
+					$ret[2] = $object[1];
+				}
+				return $ret;
+			}
+		}
+		return $obj;
+	}
+
+	/**
+	 * Extract object stream to find out what it contains.
+	 *
+	 */
+	function extractObjectStream($key) {
+		$objref = array(PDF_TYPE_OBJREF, $key[0], $key[1]);
+		$obj = $this->getObjectVal($objref);
+		if ($obj[0] !== PDF_TYPE_STREAM || !isset($obj[1][1]['/First'][1])) {
+			// Not a valid object stream dictionary - skip it.
+			return;
+		}
+		$stream = $this->decodeStream($obj[1][1], $obj[2][1]);// Decode object stream, as we need the first bit
+		$first = intval($obj[1][1]['/First'][1]);
+		$ints = preg_split('/\s/', substr($stream[0], 0, $first)); // Get list of object / offset pairs
+		for ($j=1; $j<count($ints); $j++) {
+			if (($j % 2) == 1) {
+				$this->objstreamobjs[$ints[$j-1]] = array($key, $ints[$j]+$first);
+			}
+		}
+
+		// Free memory - we may not need this at all.
+		unset($obj);
+		unset($stream);
+	}
+
+	/**
+	 * Find all object offsets.  Saves having to scour the file multiple times.
+	 * @private
+	 */
+	private function findObjectOffsets() {
+		$this->objoffsets = array();
+		if (preg_match_all('/(*ANYCRLF)^[\s]*([0-9]+)[\s]+([0-9]+)[\s]+obj/im', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE) >= 1) {
+			$i = 0;
+			$laststreamend = 0;
+			foreach($matches[0] as $match) {
+				$offset = $match[1] + strspn($match[0], "\x00\x09\x0a\x0c\x0d\x20");
+				if ($offset < $laststreamend) {
+					// Contained within another stream, skip it.
+					continue;
+				}
+				$this->objoffsets[trim($match[0])] = $offset;
+				$dictoffset = $match[1] + strlen($match[0]);
+				$dictfrag = substr($this->pdfdata, $dictoffset, 256);
+				if (preg_match('|^\s+<<[^>]+/Length\s+(\d+)|', $dictfrag, $lengthmatch, PREG_OFFSET_CAPTURE) == 1) {
+					$laststreamend += intval($lengthmatch[1][0]);
+				}
+				if (preg_match('|^\s+<<[^>]+/ObjStm|', $dictfrag, $objstm) == 1) {
+					$this->extractObjectStream(array($matches[1][$i][0], $matches[2][$i][0]));
+				}
+				$i++;
+			}
+		}
+		unset($lengthmatch);
+		unset($dictfrag);
+		unset($matches);
+	}
+
+	/**
+	 * Get offset of an object.  Checks xref first, then offsets found by scouring the file.
+	 * @param $key (array) Object key to find (obj, gen).
+	 * @return int Offset of the object in $this->pdfdata.
+	 * @private
+	 */
+	private function findObjectOffset($key) {
+		$objref = $key[0].' '.$key[1].' obj';
+		if (isset($this->xref['xref'][$key[0]][$key[1]])) {
+			$offset = $this->xref['xref'][$key[0]][$key[1]];
+			if (strpos($this->pdfdata, $objref, $offset) === $offset) {
+				// Offset is in xref table and matches actual position in file
+				//echo "Offset in XREF is correct, returning<br>";
+				return $this->xref['xref'][$key[0]][$key[1]];
+			}
+		}
+		if (array_key_exists($objref, $this->objoffsets)) {
+			//echo "Offset found in internal reftable<br>";
+			return $this->objoffsets[$objref];
+		}
+		return false;
+	}
+
+	/**
+	 * Decode the specified stream.
+	 * @param $sdic (array) Stream's dictionary array.
+	 * @param $stream (string) Stream to decode.
+	 * @return array containing decoded stream data and remaining filters.
+	 * @protected
+	 * @since 1.0.000 (2011-06-22)
+	 */
+	protected function decodeStream($sdic, $stream) {
+		// get stream lenght and filters
+		$slength = strlen($stream);
+		if ($slength <= 0) {
+			return array('', array());
+		}
+		$filters = array();
+		foreach ($sdic as $k => $v) {
+			if ($v[0] == PDF_TYPE_TOKEN) {
+				if (($k == '/Length') AND ($v[0] == PDF_TYPE_NUMERIC)) {
+					// get declared stream lenght
+					$declength = intval($v[1]);
+					if ($declength < $slength) {
+						$stream = substr($stream, 0, $declength);
+						$slength = $declength;
+					}
+				} elseif ($k == '/Filter') {
+					if ($v[0] == PDF_TYPE_TOKEN) {
+						// single filter
+						$filters[] = $v[1];
+					} elseif ($v[0] == PDF_TYPE_ARRAY) {
+						// array of filters
+						foreach ($v[1] as $flt) {
+							if ($flt[0] == PDF_TYPE_TOKEN) {
+								$filters[] = $flt[1];
+							}
+						}
+					}
+				}
+			}
+		}
+		// decode the stream
+		$remaining_filters = array();
+		foreach ($filters as $filter) {
+			if (in_array($filter, $this->FilterDecoders->getAvailableFilters())) {
+				$stream = $this->FilterDecoders->decodeFilter($filter, $stream);
+			} else {
+				// add missing filter to array
+				$remaining_filters[] = $filter;
+			}
+		}
+		return array($stream, $remaining_filters);
+	}
+
+
+	/**
+	 * Set pageno
+	 *
+	 * @param int $pageno Pagenumber to use
+	 */
+	public function setPageno($pageno) {
+		$pageno = ((int) $pageno) - 1;
+
+		if ($pageno < 0 || $pageno >= $this->getPageCount()) {
+			$this->error("Pagenumber is wrong! (Requested $pageno, max ".$this->getPageCount().")");
+		}
+
+		$this->pageno = $pageno;
+	}
+
+	/**
+	 * Get page-resources from current page
+	 *
+	 * @return array
+	 */
+	public function getPageResources() {
+		return $this->_getPageResources($this->pages[$this->pageno]);
+	}
+
+	/**
+	 * Get page-resources from /Page
+	 *
+	 * @param array $obj Array of pdf-data
+	 */
+	private function _getPageResources ($obj) { // $obj = /Page
+		$obj = $this->getObjectVal($obj);
+
+		// If the current object has a resources
+		// dictionary associated with it, we use
+		// it. Otherwise, we move back to its
+		// parent object.
+		if (isset ($obj[1][1]['/Resources'])) {
+			$res = $obj[1][1]['/Resources'];
+			if ($res[0] == PDF_TYPE_OBJECT)
+				return $res[1];
+			return $res;
+		} else {
+			if (!isset ($obj[1][1]['/Parent'])) {
+				return false;
+			} else {
+				$res = $this->_getPageResources($obj[1][1]['/Parent']);
+				if ($res[0] == PDF_TYPE_OBJECT)
+					return $res[1];
+				return $res;
+			}
+		}
+	}
+
+	/**
+	 * Get annotations from current page
+	 *
+	 * @return array
+	 */
+	public function getPageAnnotations() {
+		return $this->_getPageAnnotations($this->pages[$this->pageno]);
+	}
+
+	/**
+	 * Get annotations from /Page
+	 *
+	 * @param array $obj Array of pdf-data
+	 */
+	private function _getPageAnnotations ($obj) { // $obj = /Page
+		$obj = $this->getObjectVal($obj);
+
+		// If the current object has an annotations
+		// dictionary associated with it, we use
+		// it. Otherwise, we move back to its
+		// parent object.
+		if (isset ($obj[1][1]['/Annots'])) {
+			$annots = $obj[1][1]['/Annots'];
+		} else {
+			if (!isset ($obj[1][1]['/Parent'])) {
+				return false;
+			} else {
+				$annots = $this->_getPageAnnotations($obj[1][1]['/Parent']);
+			}
+		}
+
+		if ($annots[0] == PDF_TYPE_OBJREF)
+			return $this->getObjectVal($annots);
+		return $annots;
+	}
+
+
+	/**
+	 * Get content of current page
+	 *
+	 * If more /Contents is an array, the streams are concated
+	 *
+	 * @return string
+	 */
+	public function getContent() {
+		$buffer = '';
+
+		if (isset($this->pages[$this->pageno][1][1]['/Contents'])) {
+			$contents = $this->_getPageContent($this->pages[$this->pageno][1][1]['/Contents']);
+			foreach($contents AS $tmp_content) {
+				$buffer .= $this->_rebuildContentStream($tmp_content) . ' ';
+			}
+		}
+
+		return $buffer;
+	}
+
+
+	/**
+	 * Resolve all content-objects
+	 *
+	 * @param array $content_ref
+	 * @return array
+	 */
+	private function _getPageContent($content_ref) {
+		$contents = array();
+
+		if ($content_ref[0] == PDF_TYPE_OBJREF) {
+			$content = $this->getObjectVal($content_ref);
+			if ($content[1][0] == PDF_TYPE_ARRAY) {
+				$contents = $this->_getPageContent($content[1]);
+			} else {
+				$contents[] = $content;
+			}
+		} elseif ($content_ref[0] == PDF_TYPE_ARRAY) {
+			foreach ($content_ref[1] AS $tmp_content_ref) {
+				$contents = array_merge($contents,$this->_getPageContent($tmp_content_ref));
+			}
+		}
+
+		return $contents;
+	}
+
+
+	/**
+	 * Rebuild content-streams
+	 *
+	 * @param array $obj
+	 * @return string
+	 */
+	private function _rebuildContentStream($obj) {
+		$filters = array();
+
+		if (isset($obj[1][1]['/Filter'])) {
+			$_filter = $obj[1][1]['/Filter'];
+
+			if ($_filter[0] == PDF_TYPE_OBJREF) {
+				$tmpFilter = $this->getObjectVal($_filter);
+				$_filter = $tmpFilter[1];
+			}
+
+			if ($_filter[0] == PDF_TYPE_TOKEN) {
+				$filters[] = $_filter;
+			} elseif ($_filter[0] == PDF_TYPE_ARRAY) {
+				$filters = $_filter[1];
+			}
+		}
+
+		$stream = $obj[2][1];
+
+		foreach ($filters AS $_filter) {
+			$stream = $this->FilterDecoders->decodeFilter($_filter[1], $stream);
+		}
+
+		return $stream;
+	}
+
+
+	/**
+	 * Get a Box from a page
+	 * Arrayformat is same as used by fpdf_tpl
+	 *
+	 * @param array $page a /Page
+	 * @param string $box_index Type of Box @see $availableBoxes
+	 * @param float Scale factor from user space units to points
+	 * @return array
+	 */
+	public function getPageBox($page, $box_index, $k) {
+		$page = $this->getObjectVal($page);
+		$box = null;
+		if (isset($page[1][1][$box_index]))
+			$box =& $page[1][1][$box_index];
+
+		if (!is_null($box) && $box[0] == PDF_TYPE_OBJREF) {
+			$tmp_box = $this->getObjectVal($box);
+			$box = $tmp_box[1];
+		}
+
+		if (!is_null($box) && $box[0] == PDF_TYPE_ARRAY) {
+			$b =& $box[1];
+			return array('x' => $b[0][1] / $k,
+						 'y' => $b[1][1] / $k,
+						 'w' => abs($b[0][1] - $b[2][1]) / $k,
+						 'h' => abs($b[1][1] - $b[3][1]) / $k,
+						 'llx' => min($b[0][1], $b[2][1]) / $k,
+						 'lly' => min($b[1][1], $b[3][1]) / $k,
+						 'urx' => max($b[0][1], $b[2][1]) / $k,
+						 'ury' => max($b[1][1], $b[3][1]) / $k,
+						 );
+		} elseif (!isset ($page[1][1]['/Parent'])) {
+			return false;
+		} else {
+			return $this->getPageBox($this->getObjectVal($page[1][1]['/Parent']), $box_index, $k);
+		}
+	}
+
+	/**
+	 * Get all page boxes by page no
+	 *
+	 * @param int The page number
+	 * @param float Scale factor from user space units to points
+	 * @return array
+	 */
+	public function getPageBoxes($pageno, $k) {
+		return $this->_getPageBoxes($this->pages[$pageno - 1], $k);
+	}
+
+	/**
+	 * Get all boxes from /Page
+	 *
+	 * @param array a /Page
+	 * @return array
+	 */
+	private function _getPageBoxes($page, $k) {
+		$boxes = array();
+
+		foreach($this->availableBoxes AS $box) {
+			if ($_box = $this->getPageBox($page, $box, $k)) {
+				$boxes[$box] = $_box;
+			}
+		}
+
+		return $boxes;
+	}
+
+	/**
+	 * Get the page rotation by pageno
+	 *
+	 * @param integer $pageno
+	 * @return array
+	 */
+	public function getPageRotation($pageno) {
+		return $this->_getPageRotation($this->pages[$pageno - 1]);
+	}
+
+	private function _getPageRotation($obj) { // $obj = /Page
+		$obj = $this->getObjectVal($obj);
+		if (isset ($obj[1][1]['/Rotate'])) {
+			$res = $this->getObjectVal($obj[1][1]['/Rotate']);
+			if (isset($res[0]) && $res[0] == PDF_TYPE_OBJECT)
+				return $res[1];
+			return $res;
+		} else {
+			if (!isset ($obj[1][1]['/Parent'])) {
+				return false;
+			} else {
+				$res = $this->_getPageRotation($obj[1][1]['/Parent']);
+				if (isset($res[0]) && $res[0] == PDF_TYPE_OBJECT)
+					return $res[1];
+				return $res;
+			}
+		}
+	}
+
+	/**
+	 * This method is automatically called in case of fatal error; it simply outputs the message and halts the execution.
+	 * @param $msg (string) The error message
+	 * @public
+	 * @since 1.0.000 (2011-05-23)
+	 */
+	public function Error($msg) {
+		// exit program and print error
+		die("<strong>TCPDI_PARSER ERROR [{$this->uniqueid}]: </strong>".$msg);
+	}
 
 } // END OF TCPDF_PARSER CLASS
 

htdocs/includes/tcpdi/tcpdi.php

Indentation +797 added lines, -797 removed lines

@@ -27,681 +27,681 @@ 
 
 
 class TCPDI extends FPDF_TPL {
-    /**
-     * Actual filename
-     * @var string
-     */
-    var $current_filename;
-
-    /**
-     * Parser-Objects
-     * @var array
-     */
-    var $parsers;
-
-    /**
-     * Current parser
-     * @var object
-     */
-    var $current_parser;
-
-    /**
-     * object stack
-     * @var array
-     */
-    var $_obj_stack;
-
-    /**
-     * done object stack
-     * @var array
-     */
-    var $_don_obj_stack;
-
-    /**
-     * Current Object Id.
-     * @var integer
-     */
-    var $_current_obj_id;
-
-    /**
-     * The name of the last imported page box
-     * @var string
-     */
-    var $lastUsedPageBox;
-
-    /**
-     * Cache for imported pages/template ids
-     * @var array
-     */
-    var $_importedPages = array();
-
-    /**
-     * Cache for imported page annotations
-     * @var array
-     */
-    var $_importedAnnots = array();
-
-    /**
-     * Number of TOC pages, used for annotation offset
-     * @var integer
-     */
-    var $_numTOCpages = 0;
-
-    /**
-     * First TOC page, used for annotation offset
-     * @var integer
-     */
-    var $_TOCpagenum = 0;
-
-    /**
-     * Set a source-file
-     *
-     * @param string $filename a valid filename
-     * @return int number of available pages
-     */
-    function setSourceFile($filename) {
-        $this->current_filename = $filename;
-
-        if (!isset($this->parsers[$filename]))
-            $this->parsers[$filename] = $this->_getPdfParser($filename);
-        $this->current_parser =& $this->parsers[$filename];
-        $this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion()));
-
-        return $this->parsers[$filename]->getPageCount();
-    }
-
-    /**
-     * Set a source-file PDF data
-     *
-     * @param string $pdfdata The PDF file content
-     * @return int number of available pages
-     */
-    function setSourceData($pdfdata) {
-        $filename = uniqid('tcpdi-');
-        $this->current_filename = $filename;
-
-        if (!isset($this->parsers[$filename]))
-            $this->parsers[$filename] = new tcpdi_parser($pdfdata, $filename);
-        $this->current_parser =& $this->parsers[$filename];
-        $this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion()));
-
-        return $this->parsers[$filename]->getPageCount();
-    }
-
-    /**
-     * Returns a PDF parser object
-     *
-     * @param string $filename
-     * @return fpdi_pdf_parser
-     */
-    function _getPdfParser($filename) {
-        $data = file_get_contents($filename);
-    	return new tcpdi_parser($data, $filename);
-    }
-
-    /**
-     * Get the current PDF version
-     *
-     * @return string
-     */
-    function getPDFVersion() {
+	/**
+	 * Actual filename
+	 * @var string
+	 */
+	var $current_filename;
+
+	/**
+	 * Parser-Objects
+	 * @var array
+	 */
+	var $parsers;
+
+	/**
+	 * Current parser
+	 * @var object
+	 */
+	var $current_parser;
+
+	/**
+	 * object stack
+	 * @var array
+	 */
+	var $_obj_stack;
+
+	/**
+	 * done object stack
+	 * @var array
+	 */
+	var $_don_obj_stack;
+
+	/**
+	 * Current Object Id.
+	 * @var integer
+	 */
+	var $_current_obj_id;
+
+	/**
+	 * The name of the last imported page box
+	 * @var string
+	 */
+	var $lastUsedPageBox;
+
+	/**
+	 * Cache for imported pages/template ids
+	 * @var array
+	 */
+	var $_importedPages = array();
+
+	/**
+	 * Cache for imported page annotations
+	 * @var array
+	 */
+	var $_importedAnnots = array();
+
+	/**
+	 * Number of TOC pages, used for annotation offset
+	 * @var integer
+	 */
+	var $_numTOCpages = 0;
+
+	/**
+	 * First TOC page, used for annotation offset
+	 * @var integer
+	 */
+	var $_TOCpagenum = 0;
+
+	/**
+	 * Set a source-file
+	 *
+	 * @param string $filename a valid filename
+	 * @return int number of available pages
+	 */
+	function setSourceFile($filename) {
+		$this->current_filename = $filename;
+
+		if (!isset($this->parsers[$filename]))
+			$this->parsers[$filename] = $this->_getPdfParser($filename);
+		$this->current_parser =& $this->parsers[$filename];
+		$this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion()));
+
+		return $this->parsers[$filename]->getPageCount();
+	}
+
+	/**
+	 * Set a source-file PDF data
+	 *
+	 * @param string $pdfdata The PDF file content
+	 * @return int number of available pages
+	 */
+	function setSourceData($pdfdata) {
+		$filename = uniqid('tcpdi-');
+		$this->current_filename = $filename;
+
+		if (!isset($this->parsers[$filename]))
+			$this->parsers[$filename] = new tcpdi_parser($pdfdata, $filename);
+		$this->current_parser =& $this->parsers[$filename];
+		$this->setPDFVersion(max($this->getPDFVersion(), $this->current_parser->getPDFVersion()));
+
+		return $this->parsers[$filename]->getPageCount();
+	}
+
+	/**
+	 * Returns a PDF parser object
+	 *
+	 * @param string $filename
+	 * @return fpdi_pdf_parser
+	 */
+	function _getPdfParser($filename) {
+		$data = file_get_contents($filename);
+		return new tcpdi_parser($data, $filename);
+	}
+
+	/**
+	 * Get the current PDF version
+	 *
+	 * @return string
+	 */
+	function getPDFVersion() {
 		return $this->PDFVersion;
 	}
 
 	/**
-     * Set the PDF version
-     *
-     * @return string
-     */
+	 * Set the PDF version
+	 *
+	 * @return string
+	 */
 	function setPDFVersion($version = '1.7') {
 		$this->PDFVersion = $version;
 	}
 
-    /**
-     * Import a page
-     *
-     * @param int $pageno pagenumber
-     * @return int Index of imported page - to use with fpdf_tpl::useTemplate()
-     */
-    function importPage($pageno, $boxName = '/CropBox') {
-        if ($this->_intpl) {
-            return $this->error('Please import the desired pages before creating a new template.');
-        }
-
-        $fn = $this->current_filename;
-
-        // check if page already imported
-        $pageKey = $fn . '-' . ((int)$pageno) . $boxName;
-        if (isset($this->_importedPages[$pageKey]))
-            return $this->_importedPages[$pageKey];
-
-        $parser =& $this->parsers[$fn];
-        $parser->setPageno($pageno);
-
-        if (!in_array($boxName, $parser->availableBoxes))
-            return $this->Error(sprintf('Unknown box: %s', $boxName));
-
-        $pageboxes = $parser->getPageBoxes($pageno, $this->k);
-
-        /**
-         * MediaBox
-         * CropBox: Default -> MediaBox
-         * BleedBox: Default -> CropBox
-         * TrimBox: Default -> CropBox
-         * ArtBox: Default -> CropBox
-         */
-        if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox'))
-            $boxName = '/CropBox';
-        if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox')
-            $boxName = '/MediaBox';
-
-        if (!isset($pageboxes[$boxName]))
-            return false;
-
-        $this->lastUsedPageBox = $boxName;
-
-        $box = $pageboxes[$boxName];
-
-        $this->tpl++;
-        $this->tpls[$this->tpl] = array();
-        $tpl =& $this->tpls[$this->tpl];
-        $tpl['parser'] =& $parser;
-        $tpl['resources'] = $parser->getPageResources();
-        $tpl['buffer'] = $parser->getContent();
-        $tpl['box'] = $box;
-
-        // To build an array that can be used by PDF_TPL::useTemplate()
-        $this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box);
-
-        // An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
-        $tpl['x'] = 0;
-        $tpl['y'] = 0;
-
-        // handle rotated pages
-        $rotation = $parser->getPageRotation($pageno);
-        $tpl['_rotationAngle'] = 0;
-        if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
-        	$steps = $angle / 90;
-
-            $_w = $tpl['w'];
-            $_h = $tpl['h'];
-            $tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
-            $tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
-
-            if ($angle < 0)
-            	$angle += 360;
-
-        	$tpl['_rotationAngle'] = $angle * -1;
-        }
-
-        $this->_importedPages[$pageKey] = $this->tpl;
-        return $this->tpl;
-    }
-
-    function setPageFormatFromTemplatePage($pageno, $orientation) {
-        $fn = $this->current_filename;
-        $parser =& $this->parsers[$fn];
-        $parser->setPageno($pageno);
-        $boxes = $parser->getPageBoxes($pageno, $this->k);
-        foreach ($boxes as $name => $box) {
-            if ($name[0] == '/') {
-                $boxes[substr($name, 1)] = $box;
-                unset($boxes[$name]);
-            }
-        }
-        $this->setPageFormat($boxes, $orientation);
-    }
-
-    /* Wrapper for AddPage() which tracks TOC pages to offset annotations later */
-    function AddPage($orientation='', $format='', $keepmargins=false, $tocpage=false) {
-        if ($this->inxobj) {
-            // we are inside an XObject template
-            return;
-        }
-        parent::AddPage($orientation, $format, $keepmargins, $tocpage);
-        if ($this->tocpage) {
-            $this->_numTOCpages++;
-        }
-    }
-
-    /* Wrapper for AddTOC() which tracks TOC position to offset annotations later */
-    function AddTOC($page='', $numbersfont='', $filler='.', $toc_name='TOC', $style='', $color=array(0,0,0)) {
-        if (!TCPDF_STATIC::empty_string($page)) {
-            $this->_TOCpagenum = $page;
-        } else {
-            $this->_TOCpagenum = $this->page;
-        }
-
-        parent::AddTOC($page, $numbersfont, $filler, $toc_name, $style, $color);
-    }
-
-    function importAnnotations($pageno) {
-        $fn = $this->current_filename;
-        $parser =& $this->parsers[$fn];
-        $parser->setPageno($pageno);
-        $annots = $parser->getPageAnnotations();
-
-        if (is_array($annots) && $annots[0] == PDF_TYPE_ARRAY // It's an array
-                && is_array($annots[1]) && count($annots[1]) > 1) // It's not empty - there are annotations for this page
-        {
-        	if (!isset($this->_obj_stack[$fn])) {
-                $this->_obj_stack[$fn] = array();
-            }
-
-            $this->_importedAnnots[$this->page] = array();
-            foreach ($annots[1] as $annot) {
-                $this->importAnnotation($annot);
-            }
-        }
-
-        if (is_array($annots) && $annots[0] == PDF_TYPE_OBJECT // We got an object
-                && is_array($annots[1]) && $annots[1][0] == PDF_TYPE_ARRAY // It's an array
-                && is_array($annots[1][1]) && count($annots[1][1]) > 1) // It's not empty - there are annotations for this page
-        {
-        	if (!isset($this->_obj_stack[$fn])) {
-                $this->_obj_stack[$fn] = array();
-            }
-
-            $this->_importedAnnots[$this->page] = array();
-            foreach ($annots[1][1] as $annot) {
-                $this->importAnnotation($annot);
-            }
-        }
-    }
-
-    function importAnnotation($annotation) {
-        $fn = $this->current_filename;
-        $old_id = $annotation[1];
-        $value = array(PDF_TYPE_OBJREF, $old_id, 0);
-        if (!isset($this->_don_obj_stack[$fn][$old_id])) {
-            $this->_newobj(false, true);
-            $this->_obj_stack[$fn][$old_id] = array($this->n, $value);
-            $this->_don_obj_stack[$fn][$old_id] = array($this->n, $value);
-        }
-        $objid = $this->_don_obj_stack[$fn][$old_id][0];
-        $this->_importedAnnots[$this->page][] = $objid;
-    }
-
-
-    /**
-     * Get references to page annotations.
-     * @param $n (int) page number
-     * @return string
-     * @protected
-     * @author Nicola Asuni
-     * @since 5.0.010 (2010-05-17)
-     */
-    protected function _getannotsrefs($n) {
-        if (!empty($this->_numTOCpages) && $n >= $this->_TOCpagenum) {
-            // Offset page number to account for TOC being inserted before page containing annotations.
-            $n -= $this->_numTOCpages;
-        }
-        if (!(isset($this->_importedAnnots[$n]) OR isset($this->PageAnnots[$n]) OR ($this->sign AND isset($this->signature_data['cert_type'])))) {
-            return '';
-        }
-        $out = ' /Annots [';
-        if (isset($this->_importedAnnots[$n])) {
-            foreach ($this->_importedAnnots[$n] as $key => $val) {
-                $out .= ' '.$val.' 0 R';
-            }
-        }
-        if (isset($this->PageAnnots[$n])) {
-            foreach ($this->PageAnnots[$n] as $key => $val) {
-                if (!in_array($val['n'], $this->radio_groups)) {
-                    $out .= ' '.$val['n'].' 0 R';
-                }
-            }
-            // add radiobutton groups
-            if (isset($this->radiobutton_groups[$n])) {
-                foreach ($this->radiobutton_groups[$n] as $key => $data) {
-                    if (isset($data['n'])) {
-                        $out .= ' '.$data['n'].' 0 R';
-                    }
-                }
-            }
-        }
-        if ($this->sign AND ($n == $this->signature_appearance['page']) AND isset($this->signature_data['cert_type'])) {
-            // set reference for signature object
-            $out .= ' '.$this->sig_obj_id.' 0 R';
-        }
-        if (!empty($this->empty_signature_appearance)) {
-            foreach ($this->empty_signature_appearance as $esa) {
-                if ($esa['page'] == $n) {
-                    // set reference for empty signature objects
-                    $out .= ' '.$esa['objid'].' 0 R';
-                }
-            }
-        }
-        $out .= ' ]';
-        return $out;
-    }
-
-
-    /**
-     * Returns the last used page box
-     *
-     * @return string
-     */
-    function getLastUsedPageBox() {
-        return $this->lastUsedPageBox;
-    }
-
-
-    function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) {
-        if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
-            $size = $this->getTemplateSize($tplidx, $_w, $_h);
-            $orientation = $size['w'] > $size['h'] ? 'L' : 'P';
-            $size = array($size['w'], $size['h']);
-
-            $this->setPageFormat($size, $orientation);
-        }
-
-        $this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
-        $s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
-        $this->_out('Q');
-
-        return $s;
-    }
-
-    /**
-     * Private method, that rebuilds all needed objects of source files
-     */
-    function _putimportedobjects() {
-        if (is_array($this->parsers) && count($this->parsers) > 0) {
-            foreach($this->parsers AS $filename => $p) {
-                $this->current_parser =& $this->parsers[$filename];
-                if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
-                    while(($n = key($this->_obj_stack[$filename])) !== null) {
-                        $nObj = $this->current_parser->getObjectVal($this->_obj_stack[$filename][$n][1]);
-
-                        $this->_newobj($this->_obj_stack[$filename][$n][0]);
-
-                        if ($nObj[0] == PDF_TYPE_STREAM) {
+	/**
+	 * Import a page
+	 *
+	 * @param int $pageno pagenumber
+	 * @return int Index of imported page - to use with fpdf_tpl::useTemplate()
+	 */
+	function importPage($pageno, $boxName = '/CropBox') {
+		if ($this->_intpl) {
+			return $this->error('Please import the desired pages before creating a new template.');
+		}
+
+		$fn = $this->current_filename;
+
+		// check if page already imported
+		$pageKey = $fn . '-' . ((int)$pageno) . $boxName;
+		if (isset($this->_importedPages[$pageKey]))
+			return $this->_importedPages[$pageKey];
+
+		$parser =& $this->parsers[$fn];
+		$parser->setPageno($pageno);
+
+		if (!in_array($boxName, $parser->availableBoxes))
+			return $this->Error(sprintf('Unknown box: %s', $boxName));
+
+		$pageboxes = $parser->getPageBoxes($pageno, $this->k);
+
+		/**
+		 * MediaBox
+		 * CropBox: Default -> MediaBox
+		 * BleedBox: Default -> CropBox
+		 * TrimBox: Default -> CropBox
+		 * ArtBox: Default -> CropBox
+		 */
+		if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox'))
+			$boxName = '/CropBox';
+		if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox')
+			$boxName = '/MediaBox';
+
+		if (!isset($pageboxes[$boxName]))
+			return false;
+
+		$this->lastUsedPageBox = $boxName;
+
+		$box = $pageboxes[$boxName];
+
+		$this->tpl++;
+		$this->tpls[$this->tpl] = array();
+		$tpl =& $this->tpls[$this->tpl];
+		$tpl['parser'] =& $parser;
+		$tpl['resources'] = $parser->getPageResources();
+		$tpl['buffer'] = $parser->getContent();
+		$tpl['box'] = $box;
+
+		// To build an array that can be used by PDF_TPL::useTemplate()
+		$this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box);
+
+		// An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects()
+		$tpl['x'] = 0;
+		$tpl['y'] = 0;
+
+		// handle rotated pages
+		$rotation = $parser->getPageRotation($pageno);
+		$tpl['_rotationAngle'] = 0;
+		if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) {
+			$steps = $angle / 90;
+
+			$_w = $tpl['w'];
+			$_h = $tpl['h'];
+			$tpl['w'] = $steps % 2 == 0 ? $_w : $_h;
+			$tpl['h'] = $steps % 2 == 0 ? $_h : $_w;
+
+			if ($angle < 0)
+				$angle += 360;
+
+			$tpl['_rotationAngle'] = $angle * -1;
+		}
+
+		$this->_importedPages[$pageKey] = $this->tpl;
+		return $this->tpl;
+	}
+
+	function setPageFormatFromTemplatePage($pageno, $orientation) {
+		$fn = $this->current_filename;
+		$parser =& $this->parsers[$fn];
+		$parser->setPageno($pageno);
+		$boxes = $parser->getPageBoxes($pageno, $this->k);
+		foreach ($boxes as $name => $box) {
+			if ($name[0] == '/') {
+				$boxes[substr($name, 1)] = $box;
+				unset($boxes[$name]);
+			}
+		}
+		$this->setPageFormat($boxes, $orientation);
+	}
+
+	/* Wrapper for AddPage() which tracks TOC pages to offset annotations later */
+	function AddPage($orientation='', $format='', $keepmargins=false, $tocpage=false) {
+		if ($this->inxobj) {
+			// we are inside an XObject template
+			return;
+		}
+		parent::AddPage($orientation, $format, $keepmargins, $tocpage);
+		if ($this->tocpage) {
+			$this->_numTOCpages++;
+		}
+	}
+
+	/* Wrapper for AddTOC() which tracks TOC position to offset annotations later */
+	function AddTOC($page='', $numbersfont='', $filler='.', $toc_name='TOC', $style='', $color=array(0,0,0)) {
+		if (!TCPDF_STATIC::empty_string($page)) {
+			$this->_TOCpagenum = $page;
+		} else {
+			$this->_TOCpagenum = $this->page;
+		}
+
+		parent::AddTOC($page, $numbersfont, $filler, $toc_name, $style, $color);
+	}
+
+	function importAnnotations($pageno) {
+		$fn = $this->current_filename;
+		$parser =& $this->parsers[$fn];
+		$parser->setPageno($pageno);
+		$annots = $parser->getPageAnnotations();
+
+		if (is_array($annots) && $annots[0] == PDF_TYPE_ARRAY // It's an array
+				&& is_array($annots[1]) && count($annots[1]) > 1) // It's not empty - there are annotations for this page
+		{
+			if (!isset($this->_obj_stack[$fn])) {
+				$this->_obj_stack[$fn] = array();
+			}
+
+			$this->_importedAnnots[$this->page] = array();
+			foreach ($annots[1] as $annot) {
+				$this->importAnnotation($annot);
+			}
+		}
+
+		if (is_array($annots) && $annots[0] == PDF_TYPE_OBJECT // We got an object
+				&& is_array($annots[1]) && $annots[1][0] == PDF_TYPE_ARRAY // It's an array
+				&& is_array($annots[1][1]) && count($annots[1][1]) > 1) // It's not empty - there are annotations for this page
+		{
+			if (!isset($this->_obj_stack[$fn])) {
+				$this->_obj_stack[$fn] = array();
+			}
+
+			$this->_importedAnnots[$this->page] = array();
+			foreach ($annots[1][1] as $annot) {
+				$this->importAnnotation($annot);
+			}
+		}
+	}
+
+	function importAnnotation($annotation) {
+		$fn = $this->current_filename;
+		$old_id = $annotation[1];
+		$value = array(PDF_TYPE_OBJREF, $old_id, 0);
+		if (!isset($this->_don_obj_stack[$fn][$old_id])) {
+			$this->_newobj(false, true);
+			$this->_obj_stack[$fn][$old_id] = array($this->n, $value);
+			$this->_don_obj_stack[$fn][$old_id] = array($this->n, $value);
+		}
+		$objid = $this->_don_obj_stack[$fn][$old_id][0];
+		$this->_importedAnnots[$this->page][] = $objid;
+	}
+
+
+	/**
+	 * Get references to page annotations.
+	 * @param $n (int) page number
+	 * @return string
+	 * @protected
+	 * @author Nicola Asuni
+	 * @since 5.0.010 (2010-05-17)
+	 */
+	protected function _getannotsrefs($n) {
+		if (!empty($this->_numTOCpages) && $n >= $this->_TOCpagenum) {
+			// Offset page number to account for TOC being inserted before page containing annotations.
+			$n -= $this->_numTOCpages;
+		}
+		if (!(isset($this->_importedAnnots[$n]) OR isset($this->PageAnnots[$n]) OR ($this->sign AND isset($this->signature_data['cert_type'])))) {
+			return '';
+		}
+		$out = ' /Annots [';
+		if (isset($this->_importedAnnots[$n])) {
+			foreach ($this->_importedAnnots[$n] as $key => $val) {
+				$out .= ' '.$val.' 0 R';
+			}
+		}
+		if (isset($this->PageAnnots[$n])) {
+			foreach ($this->PageAnnots[$n] as $key => $val) {
+				if (!in_array($val['n'], $this->radio_groups)) {
+					$out .= ' '.$val['n'].' 0 R';
+				}
+			}
+			// add radiobutton groups
+			if (isset($this->radiobutton_groups[$n])) {
+				foreach ($this->radiobutton_groups[$n] as $key => $data) {
+					if (isset($data['n'])) {
+						$out .= ' '.$data['n'].' 0 R';
+					}
+				}
+			}
+		}
+		if ($this->sign AND ($n == $this->signature_appearance['page']) AND isset($this->signature_data['cert_type'])) {
+			// set reference for signature object
+			$out .= ' '.$this->sig_obj_id.' 0 R';
+		}
+		if (!empty($this->empty_signature_appearance)) {
+			foreach ($this->empty_signature_appearance as $esa) {
+				if ($esa['page'] == $n) {
+					// set reference for empty signature objects
+					$out .= ' '.$esa['objid'].' 0 R';
+				}
+			}
+		}
+		$out .= ' ]';
+		return $out;
+	}
+
+
+	/**
+	 * Returns the last used page box
+	 *
+	 * @return string
+	 */
+	function getLastUsedPageBox() {
+		return $this->lastUsedPageBox;
+	}
+
+
+	function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) {
+		if ($adjustPageSize == true && is_null($_x) && is_null($_y)) {
+			$size = $this->getTemplateSize($tplidx, $_w, $_h);
+			$orientation = $size['w'] > $size['h'] ? 'L' : 'P';
+			$size = array($size['w'], $size['h']);
+
+			$this->setPageFormat($size, $orientation);
+		}
+
+		$this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values
+		$s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h);
+		$this->_out('Q');
+
+		return $s;
+	}
+
+	/**
+	 * Private method, that rebuilds all needed objects of source files
+	 */
+	function _putimportedobjects() {
+		if (is_array($this->parsers) && count($this->parsers) > 0) {
+			foreach($this->parsers AS $filename => $p) {
+				$this->current_parser =& $this->parsers[$filename];
+				if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) {
+					while(($n = key($this->_obj_stack[$filename])) !== null) {
+						$nObj = $this->current_parser->getObjectVal($this->_obj_stack[$filename][$n][1]);
+
+						$this->_newobj($this->_obj_stack[$filename][$n][0]);
+
+						if ($nObj[0] == PDF_TYPE_STREAM) {
 							$this->pdf_write_value($nObj);
-                        } else {
-                            $this->pdf_write_value($nObj[1]);
-                        }
-
-                        $this->_out('endobj');
-                        $this->_obj_stack[$filename][$n] = null; // free memory
-                        unset($this->_obj_stack[$filename][$n]);
-                        reset($this->_obj_stack[$filename]);
-                    }
-                }
-
-                // We're done with this parser.  Clean it up to free a bit of RAM.
-                $this->current_parser->cleanUp();
-                unset($this->parsers[$filename]);
-            }
-        }
-    }
-
-
-    /**
-     * Private Method that writes the form xobjects
-     */
-    function _putformxobjects() {
-        $filter=($this->compress) ? '/Filter /FlateDecode ' : '';
-	    reset($this->tpls);
-        foreach($this->tpls AS $tplidx => $tpl) {
-            $p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
-    		$this->_newobj();
-    		$cN = $this->n; // TCPDF/Protection: rem current "n"
-
-    		$this->tpls[$tplidx]['n'] = $this->n;
-    		$this->_out('<<' . $filter . '/Type /XObject');
-            $this->_out('/Subtype /Form');
-            $this->_out('/FormType 1');
-
-            $this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
-                (isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
-                (isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
-                (isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
-                (isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
-            ));
-
-            $c = 1;
-            $s = 0;
-            $tx = 0;
-            $ty = 0;
-
-            if (isset($tpl['box'])) {
-                $tx = -$tpl['box']['llx'];
-                $ty = -$tpl['box']['lly'];
-
-                if ($tpl['_rotationAngle'] <> 0) {
-                    $angle = $tpl['_rotationAngle'] * M_PI/180;
-                    $c=cos($angle);
-                    $s=sin($angle);
-
-                    switch($tpl['_rotationAngle']) {
-                        case -90:
-                           $tx = -$tpl['box']['lly'];
-                           $ty = $tpl['box']['urx'];
-                           break;
-                        case -180:
-                            $tx = $tpl['box']['urx'];
-                            $ty = $tpl['box']['ury'];
-                            break;
-                        case -270:
-                        	$tx = $tpl['box']['ury'];
-                            $ty = -$tpl['box']['llx'];
-                            break;
-                    }
-                }
-            } elseif (!empty($tpl['x']) || !empty($tpl['y'])) {
-                $tx = -$tpl['x'] * 2;
-                $ty = $tpl['y'] * 2;
-            }
-
-            $tx *= $this->k;
-            $ty *= $this->k;
-
-            if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) {
-                $this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
-                    $c, $s, -$s, $c, $tx, $ty
-                ));
-            }
-
-            $this->_out('/Resources ');
-
-            if (isset($tpl['resources'])) {
-                $this->current_parser =& $tpl['parser'];
-                $this->pdf_write_value($tpl['resources']); // "n" will be changed
-            } else {
-                $this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
-            	if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
-                	$this->_out('/Font <<');
-                    foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
-                		$this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
-                	$this->_out('>>');
-                }
-            	if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) ||
-            	   isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls']))
-            	{
-                    $this->_out('/XObject <<');
-                    if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
-                        foreach($this->_res['tpl'][$tplidx]['images'] as $image)
-                  			$this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
-                    }
-                    if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
-                        foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl)
-                            $this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R');
-                    }
-                    $this->_out('>>');
-            	}
-            	$this->_out('>>');
-            }
-
-            $this->_out('/Group <</Type/Group/S/Transparency>>');
-
-            $nN = $this->n; // TCPDF: rem new "n"
-            $this->n = $cN; // TCPDF: reset to current "n"
-
-        	$p = $this->_getrawstream($p);
-        	$this->_out('/Length ' . strlen($p) . ' >>');
-        	$this->_out("stream\n" . $p . "\nendstream");
-
-    		$this->_out('endobj');
-    		$this->n = $nN; // TCPDF: reset to new "n"
-        }
-
-        $this->_putimportedobjects();
-    }
-
-    /**
-     * Rewritten to handle existing own defined objects
-     */
-    function _newobj($obj_id = false, $onlynewobj = false) {
-        if (!$obj_id) {
-            $obj_id = ++$this->n;
-        }
-
-        //Begin a new object
-        if (!$onlynewobj) {
-            $this->offsets[$obj_id] = $this->bufferlen;
-            $this->_out($obj_id . ' 0 obj');
-            $this->_current_obj_id = $obj_id; // for later use with encryption
-        }
-
-        return $obj_id;
-    }
-
-    /**
-     * Writes a value
-     * Needed to rebuild the source document
-     *
-     * @param mixed $value A PDF-Value. Structure of values see cases in this method
-     */
-    function pdf_write_value(&$value)
-    {
-        switch ($value[0]) {
-            case PDF_TYPE_STRING:
-                if ($this->encrypted) {
-                    $value[1] = $this->_unescape($value[1]);
-                    $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
-                    $value[1] = TCPDF_STATIC::_escape($value[1]);
-                }
-                break;
-
-            case PDF_TYPE_STREAM:
-                if ($this->encrypted) {
-                    $value[2][1] = $this->_encrypt_data($this->_current_obj_id, $value[2][1]);
-                    $value[1][1]['/Length'] = array(
-                        PDF_TYPE_NUMERIC,
-                        strlen($value[2][1])
-                    );
-                }
-                break;
-
-            case PDF_TYPE_HEX:
-                if ($this->encrypted) {
-                    $value[1] = $this->hex2str($value[1]);
-                    $value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
-
-                    // remake hexstring of encrypted string
-                    $value[1] = $this->str2hex($value[1]);
-                }
-                break;
-        }
-
-        switch ($value[0]) {
-
-            case PDF_TYPE_TOKEN:
-                $this->_straightOut('/'.$value[1] . ' ');
-                break;
-            case PDF_TYPE_NUMERIC:
-            case PDF_TYPE_REAL:
-                if (is_float($value[1]) && $value[1] != 0) {
-                    $this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
-                } else {
-                    $this->_straightOut($value[1] . ' ');
-                }
-                break;
-
-            case PDF_TYPE_ARRAY:
-
-                // An array. Output the proper
-                // structure and move on.
-
-                $this->_straightOut('[');
-                for ($i = 0; $i < count($value[1]); $i++) {
-                    $this->pdf_write_value($value[1][$i]);
-                }
-
-                $this->_out(']');
-                break;
-
-            case PDF_TYPE_DICTIONARY:
-
-                // A dictionary.
-                $this->_straightOut('<<');
-
-                reset ($value[1]);
-
-                foreach ($value[1] as $k => $v) {
-                    $this->_straightOut($k . ' ');
-                    $this->pdf_write_value($v);
-                }
-
-                $this->_straightOut('>>');
-                break;
-
-            case PDF_TYPE_OBJREF:
-
-                // An indirect object reference
-                // Fill the object stack if needed
-                $cpfn =& $this->current_parser->uniqueid;
-
-                if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
-                    $this->_newobj(false, true);
-                    $this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
-                    $this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
-                }
-                $objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
-
-                $this->_out($objid . ' 0 R');
-                break;
-
-            case PDF_TYPE_STRING:
-
-                // A string.
-                $this->_straightOut('(' . $value[1] . ')');
-
-                break;
-
-            case PDF_TYPE_STREAM:
-
-                // A stream. First, output the
-                // stream dictionary, then the
-                // stream data itself.
-                $this->pdf_write_value($value[1]);
-                $this->_out('stream');
-                $this->_out($value[2][1]);
-                $this->_out('endstream');
-                break;
-
-            case PDF_TYPE_HEX:
-                $this->_straightOut('<' . $value[1] . '>');
-                break;
-
-            case PDF_TYPE_BOOLEAN:
-                $this->_straightOut($value[1] ? 'true ' : 'false ');
-                break;
-
-            case PDF_TYPE_NULL:
-                // The null object.
+						} else {
+							$this->pdf_write_value($nObj[1]);
+						}
+
+						$this->_out('endobj');
+						$this->_obj_stack[$filename][$n] = null; // free memory
+						unset($this->_obj_stack[$filename][$n]);
+						reset($this->_obj_stack[$filename]);
+					}
+				}
+
+				// We're done with this parser.  Clean it up to free a bit of RAM.
+				$this->current_parser->cleanUp();
+				unset($this->parsers[$filename]);
+			}
+		}
+	}
+
+
+	/**
+	 * Private Method that writes the form xobjects
+	 */
+	function _putformxobjects() {
+		$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
+		reset($this->tpls);
+		foreach($this->tpls AS $tplidx => $tpl) {
+			$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
+			$this->_newobj();
+			$cN = $this->n; // TCPDF/Protection: rem current "n"
+
+			$this->tpls[$tplidx]['n'] = $this->n;
+			$this->_out('<<' . $filter . '/Type /XObject');
+			$this->_out('/Subtype /Form');
+			$this->_out('/FormType 1');
+
+			$this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]',
+				(isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k,
+				(isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k,
+				(isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k,
+				(isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k
+			));
+
+			$c = 1;
+			$s = 0;
+			$tx = 0;
+			$ty = 0;
+
+			if (isset($tpl['box'])) {
+				$tx = -$tpl['box']['llx'];
+				$ty = -$tpl['box']['lly'];
+
+				if ($tpl['_rotationAngle'] <> 0) {
+					$angle = $tpl['_rotationAngle'] * M_PI/180;
+					$c=cos($angle);
+					$s=sin($angle);
+
+					switch($tpl['_rotationAngle']) {
+						case -90:
+						   $tx = -$tpl['box']['lly'];
+						   $ty = $tpl['box']['urx'];
+						   break;
+						case -180:
+							$tx = $tpl['box']['urx'];
+							$ty = $tpl['box']['ury'];
+							break;
+						case -270:
+							$tx = $tpl['box']['ury'];
+							$ty = -$tpl['box']['llx'];
+							break;
+					}
+				}
+			} elseif (!empty($tpl['x']) || !empty($tpl['y'])) {
+				$tx = -$tpl['x'] * 2;
+				$ty = $tpl['y'] * 2;
+			}
+
+			$tx *= $this->k;
+			$ty *= $this->k;
+
+			if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) {
+				$this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]',
+					$c, $s, -$s, $c, $tx, $ty
+				));
+			}
+
+			$this->_out('/Resources ');
+
+			if (isset($tpl['resources'])) {
+				$this->current_parser =& $tpl['parser'];
+				$this->pdf_write_value($tpl['resources']); // "n" will be changed
+			} else {
+				$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
+				if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) {
+					$this->_out('/Font <<');
+					foreach($this->_res['tpl'][$tplidx]['fonts'] as $font)
+						$this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
+					$this->_out('>>');
+				}
+				if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) ||
+				   isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls']))
+				{
+					$this->_out('/XObject <<');
+					if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) {
+						foreach($this->_res['tpl'][$tplidx]['images'] as $image)
+				  			$this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
+					}
+					if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) {
+						foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl)
+							$this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R');
+					}
+					$this->_out('>>');
+				}
+				$this->_out('>>');
+			}
+
+			$this->_out('/Group <</Type/Group/S/Transparency>>');
+
+			$nN = $this->n; // TCPDF: rem new "n"
+			$this->n = $cN; // TCPDF: reset to current "n"
+
+			$p = $this->_getrawstream($p);
+			$this->_out('/Length ' . strlen($p) . ' >>');
+			$this->_out("stream\n" . $p . "\nendstream");
+
+			$this->_out('endobj');
+			$this->n = $nN; // TCPDF: reset to new "n"
+		}
+
+		$this->_putimportedobjects();
+	}
+
+	/**
+	 * Rewritten to handle existing own defined objects
+	 */
+	function _newobj($obj_id = false, $onlynewobj = false) {
+		if (!$obj_id) {
+			$obj_id = ++$this->n;
+		}
+
+		//Begin a new object
+		if (!$onlynewobj) {
+			$this->offsets[$obj_id] = $this->bufferlen;
+			$this->_out($obj_id . ' 0 obj');
+			$this->_current_obj_id = $obj_id; // for later use with encryption
+		}
+
+		return $obj_id;
+	}
+
+	/**
+	 * Writes a value
+	 * Needed to rebuild the source document
+	 *
+	 * @param mixed $value A PDF-Value. Structure of values see cases in this method
+	 */
+	function pdf_write_value(&$value)
+	{
+		switch ($value[0]) {
+			case PDF_TYPE_STRING:
+				if ($this->encrypted) {
+					$value[1] = $this->_unescape($value[1]);
+					$value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
+					$value[1] = TCPDF_STATIC::_escape($value[1]);
+				}
+				break;
+
+			case PDF_TYPE_STREAM:
+				if ($this->encrypted) {
+					$value[2][1] = $this->_encrypt_data($this->_current_obj_id, $value[2][1]);
+					$value[1][1]['/Length'] = array(
+						PDF_TYPE_NUMERIC,
+						strlen($value[2][1])
+					);
+				}
+				break;
+
+			case PDF_TYPE_HEX:
+				if ($this->encrypted) {
+					$value[1] = $this->hex2str($value[1]);
+					$value[1] = $this->_encrypt_data($this->_current_obj_id, $value[1]);
+
+					// remake hexstring of encrypted string
+					$value[1] = $this->str2hex($value[1]);
+				}
+				break;
+		}
+
+		switch ($value[0]) {
+
+			case PDF_TYPE_TOKEN:
+				$this->_straightOut('/'.$value[1] . ' ');
+				break;
+			case PDF_TYPE_NUMERIC:
+			case PDF_TYPE_REAL:
+				if (is_float($value[1]) && $value[1] != 0) {
+					$this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' ');
+				} else {
+					$this->_straightOut($value[1] . ' ');
+				}
+				break;
+
+			case PDF_TYPE_ARRAY:
+
+				// An array. Output the proper
+				// structure and move on.
+
+				$this->_straightOut('[');
+				for ($i = 0; $i < count($value[1]); $i++) {
+					$this->pdf_write_value($value[1][$i]);
+				}
+
+				$this->_out(']');
+				break;
+
+			case PDF_TYPE_DICTIONARY:
+
+				// A dictionary.
+				$this->_straightOut('<<');
+
+				reset ($value[1]);
 
-                $this->_straightOut('null ');
-                break;
-        }
-    }
+				foreach ($value[1] as $k => $v) {
+					$this->_straightOut($k . ' ');
+					$this->pdf_write_value($v);
+				}
 
-    /**
-     * Modified so not each call will add a newline to the output.
-     */
-    function _straightOut($s) {
-        if ($this->state == 2) {
+				$this->_straightOut('>>');
+				break;
+
+			case PDF_TYPE_OBJREF:
+
+				// An indirect object reference
+				// Fill the object stack if needed
+				$cpfn =& $this->current_parser->uniqueid;
+
+				if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) {
+					$this->_newobj(false, true);
+					$this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value);
+					$this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!!
+				}
+				$objid = $this->_don_obj_stack[$cpfn][$value[1]][0];
+
+				$this->_out($objid . ' 0 R');
+				break;
+
+			case PDF_TYPE_STRING:
+
+				// A string.
+				$this->_straightOut('(' . $value[1] . ')');
+
+				break;
+
+			case PDF_TYPE_STREAM:
+
+				// A stream. First, output the
+				// stream dictionary, then the
+				// stream data itself.
+				$this->pdf_write_value($value[1]);
+				$this->_out('stream');
+				$this->_out($value[2][1]);
+				$this->_out('endstream');
+				break;
+
+			case PDF_TYPE_HEX:
+				$this->_straightOut('<' . $value[1] . '>');
+				break;
+
+			case PDF_TYPE_BOOLEAN:
+				$this->_straightOut($value[1] ? 'true ' : 'false ');
+				break;
+
+			case PDF_TYPE_NULL:
+				// The null object.
+
+				$this->_straightOut('null ');
+				break;
+		}
+	}
+
+	/**
+	 * Modified so not each call will add a newline to the output.
+	 */
+	function _straightOut($s) {
+		if ($this->state == 2) {
 			if ($this->inxobj) {
 				// we are inside an XObject template
 				$this->xobjects[$this->xobjid]['outdata'] .= $s;
@@ -721,137 +721,137 @@ 
 			// set general data
 			$this->setBuffer($s);
 		}
-    }
-
-    /**
-     * rewritten to close opened parsers
-     *
-     */
-    function _enddoc() {
-        parent::_enddoc();
-        $this->_closeParsers();
-    }
-
-    /**
-     * close all files opened by parsers
-     */
-    function _closeParsers() {
-        if ($this->state > 2 && is_array($this->parsers) && count($this->parsers) > 0) {
-          	$this->cleanUp();
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Removes cylced references and closes the file handles of the parser objects
-     */
-    function cleanUp() {
-    	foreach ($this->parsers as $k => $_){
-        	$this->parsers[$k]->cleanUp();
-        	$this->parsers[$k] = null;
-        	unset($this->parsers[$k]);
-        }
-    }
-
-    // Functions from here on are taken from FPDI's fpdi2tcpdf_bridge.php to remove dependence on it
-    function _putstream($s, $n=0) {
-        $this->_out($this->_getstream($s, $n));
-    }
-
-    function _getxobjectdict() {
-        $out = parent::_getxobjectdict();
-        if (count($this->tpls)) {
-            foreach($this->tpls as $tplidx => $tpl) {
-                $out .= sprintf('%s%d %d 0 R', $this->tplprefix, $tplidx, $tpl['n']);
-            }
-        }
-
-        return $out;
-    }
-
-    /**
-     * Unescapes a PDF string
-     *
-     * @param string $s
-     * @return string
-     */
-    function _unescape($s) {
-        $out = '';
-        for ($count = 0, $n = strlen($s); $count < $n; $count++) {
-            if ($s[$count] != '\\' || $count == $n-1) {
-                $out .= $s[$count];
-            } else {
-                switch ($s[++$count]) {
-                    case ')':
-                    case '(':
-                    case '\\':
-                        $out .= $s[$count];
-                        break;
-                    case 'f':
-                        $out .= chr(0x0C);
-                        break;
-                    case 'b':
-                        $out .= chr(0x08);
-                        break;
-                    case 't':
-                        $out .= chr(0x09);
-                        break;
-                    case 'r':
-                        $out .= chr(0x0D);
-                        break;
-                    case 'n':
-                        $out .= chr(0x0A);
-                        break;
-                    case "\r":
-                        if ($count != $n-1 && $s[$count+1] == "\n")
-                            $count++;
-                        break;
-                    case "\n":
-                        break;
-                    default:
-                        // Octal-Values
-                        if (ord($s[$count]) >= ord('0') &&
-                            ord($s[$count]) <= ord('9')) {
-                            $oct = ''. $s[$count];
-
-                            if (ord($s[$count+1]) >= ord('0') &&
-                                ord($s[$count+1]) <= ord('9')) {
-                                $oct .= $s[++$count];
-
-                                if (ord($s[$count+1]) >= ord('0') &&
-                                    ord($s[$count+1]) <= ord('9')) {
-                                    $oct .= $s[++$count];
-                                }
-                            }
-
-                            $out .= chr(octdec($oct));
-                        } else {
-                            $out .= $s[$count];
-                        }
-                }
-            }
-        }
-        return $out;
-    }
-
-    /**
-     * Hexadecimal to string
-     *
-     * @param string $hex
-     * @return string
-     */
-    function hex2str($hex) {
-        return pack('H*', str_replace(array("\r", "\n", ' '), '', $hex));
-    }
-
-    /**
-     * String to hexadecimal
-     *
-     * @param string $str
-     * @return string
-     */
-    function str2hex($str) {
-        return current(unpack('H*', $str));
-    }
+	}
+
+	/**
+	 * rewritten to close opened parsers
+	 *
+	 */
+	function _enddoc() {
+		parent::_enddoc();
+		$this->_closeParsers();
+	}
+
+	/**
+	 * close all files opened by parsers
+	 */
+	function _closeParsers() {
+		if ($this->state > 2 && is_array($this->parsers) && count($this->parsers) > 0) {
+		  	$this->cleanUp();
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Removes cylced references and closes the file handles of the parser objects
+	 */
+	function cleanUp() {
+		foreach ($this->parsers as $k => $_){
+			$this->parsers[$k]->cleanUp();
+			$this->parsers[$k] = null;
+			unset($this->parsers[$k]);
+		}
+	}
+
+	// Functions from here on are taken from FPDI's fpdi2tcpdf_bridge.php to remove dependence on it
+	function _putstream($s, $n=0) {
+		$this->_out($this->_getstream($s, $n));
+	}
+
+	function _getxobjectdict() {
+		$out = parent::_getxobjectdict();
+		if (count($this->tpls)) {
+			foreach($this->tpls as $tplidx => $tpl) {
+				$out .= sprintf('%s%d %d 0 R', $this->tplprefix, $tplidx, $tpl['n']);
+			}
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Unescapes a PDF string
+	 *
+	 * @param string $s
+	 * @return string
+	 */
+	function _unescape($s) {
+		$out = '';
+		for ($count = 0, $n = strlen($s); $count < $n; $count++) {
+			if ($s[$count] != '\\' || $count == $n-1) {
+				$out .= $s[$count];
+			} else {
+				switch ($s[++$count]) {
+					case ')':
+					case '(':
+					case '\\':
+						$out .= $s[$count];
+						break;
+					case 'f':
+						$out .= chr(0x0C);
+						break;
+					case 'b':
+						$out .= chr(0x08);
+						break;
+					case 't':
+						$out .= chr(0x09);
+						break;
+					case 'r':
+						$out .= chr(0x0D);
+						break;
+					case 'n':
+						$out .= chr(0x0A);
+						break;
+					case "\r":
+						if ($count != $n-1 && $s[$count+1] == "\n")
+							$count++;
+						break;
+					case "\n":
+						break;
+					default:
+						// Octal-Values
+						if (ord($s[$count]) >= ord('0') &&
+							ord($s[$count]) <= ord('9')) {
+							$oct = ''. $s[$count];
+
+							if (ord($s[$count+1]) >= ord('0') &&
+								ord($s[$count+1]) <= ord('9')) {
+								$oct .= $s[++$count];
+
+								if (ord($s[$count+1]) >= ord('0') &&
+									ord($s[$count+1]) <= ord('9')) {
+									$oct .= $s[++$count];
+								}
+							}
+
+							$out .= chr(octdec($oct));
+						} else {
+							$out .= $s[$count];
+						}
+				}
+			}
+		}
+		return $out;
+	}
+
+	/**
+	 * Hexadecimal to string
+	 *
+	 * @param string $hex
+	 * @return string
+	 */
+	function hex2str($hex) {
+		return pack('H*', str_replace(array("\r", "\n", ' '), '', $hex));
+	}
+
+	/**
+	 * String to hexadecimal
+	 *
+	 * @param string $str
+	 * @return string
+	 */
+	function str2hex($str) {
+		return current(unpack('H*', $str));
+	}
 }