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<?php
    /*******************************************************************************
     * FPDF                                                                         *
     *                                                                              *
     * Version: 1.6                                                                 *
     * Date:    2008-08-03                                                          *
     * Author:  Olivier PLATHEY                                                     *
     *******************************************************************************/

    define('FPDF_VERSION', '1.6');

    class FPDF
    {
        var $page;               //current page number
        var $n;                  //current object number
        var $offsets;            //array of object offsets
        var $buffer;             //buffer holding in-memory PDF
        var $pages;              //array containing pages
        var $state;              //current document state
        var $compress;           //compression flag
        var $k;                  //scale factor (number of points in user unit)
        var $DefOrientation;     //default orientation
        var $CurOrientation;     //current orientation
        var $PageFormats;        //available page formats
        var $DefPageFormat;      //default page format
        var $CurPageFormat;      //current page format
        var $PageSizes;          //array storing non-default page sizes
        var $wPt, $hPt;           //dimensions of current page in points
        var $w, $h;               //dimensions of current page in user unit
        var $lMargin;            //left margin
        var $tMargin;            //top margin
        var $rMargin;            //right margin
        var $bMargin;            //page break margin
        var $cMargin;            //cell margin
        var $x, $y;               //current position in user unit
        var $lasth;              //height of last printed cell
        var $LineWidth;          //line width in user unit
        var $CoreFonts;          //array of standard font names
        var $fonts;              //array of used fonts
        var $FontFiles;          //array of font files
        var $diffs;              //array of encoding differences
        var $FontFamily;         //current font family
        var $FontStyle;          //current font style
        var $underline;          //underlining flag
        var $CurrentFont;        //current font info
        var $FontSizePt;         //current font size in points
        var $FontSize;           //current font size in user unit
        var $DrawColor;          //commands for drawing color
        var $FillColor;          //commands for filling color
        var $TextColor;          //commands for text color
        var $ColorFlag;          //indicates whether fill and text colors are different
        var $ws;                 //word spacing
        var $images;             //array of used images
        var $PageLinks;          //array of links in pages
        var $links;              //array of internal links
        var $AutoPageBreak;      //automatic page breaking
        var $PageBreakTrigger;   //threshold used to trigger page breaks
        var $InHeader;           //flag set when processing header
        var $InFooter;           //flag set when processing footer
        var $ZoomMode;           //zoom display mode
        var $LayoutMode;         //layout display mode
        var $title;              //title
        var $subject;            //subject
        var $author;             //author
        var $keywords;           //keywords
        var $creator;            //creator
        var $AliasNbPages;       //alias for total number of pages
        var $PDFVersion;         //PDF version number

        /*******************************************************************************
         *                                                                              *
         *                               Public methods                                 *
         *                                                                              *
         *******************************************************************************/
        function FPDF($orientation = 'P', $unit = 'mm', $format = 'A4')
        {
            //Some checks
            $this->_dochecks();
            //Initialization of properties
            $this->page       = 0;
            $this->n          = 2;
            $this->buffer     = '';
            $this->pages      = array();
            $this->PageSizes  = array();
            $this->state      = 0;
            $this->fonts      = array();
            $this->FontFiles  = array();
            $this->diffs      = array();
            $this->images     = array();
            $this->links      = array();
            $this->InHeader   = false;
            $this->InFooter   = false;
            $this->lasth      = 0;
            $this->FontFamily = '';
            $this->FontStyle  = '';
            $this->FontSizePt = 12;
            $this->underline  = false;
            $this->DrawColor  = '0 G';
            $this->FillColor  = '0 g';
            $this->TextColor  = '0 g';
            $this->ColorFlag  = false;
            $this->ws         = 0;
            //Standard fonts
            $this->CoreFonts = array('courier'   => 'Courier', 'courierB' => 'Courier-Bold', 'courierI' => 'Courier-Oblique', 'courierBI' => 'Courier-BoldOblique',
                                     'helvetica' => 'Helvetica', 'helveticaB' => 'Helvetica-Bold', 'helveticaI' => 'Helvetica-Oblique', 'helveticaBI' => 'Helvetica-BoldOblique',
                                     'times'     => 'Times-Roman', 'timesB' => 'Times-Bold', 'timesI' => 'Times-Italic', 'timesBI' => 'Times-BoldItalic',
                                     'symbol'    => 'Symbol', 'zapfdingbats' => 'ZapfDingbats');
            //Scale factor
            if ($unit=='pt')
                $this->k = 1;
            elseif ($unit=='mm')
                $this->k = 72 / 25.4;
            elseif ($unit=='cm')
                $this->k = 72 / 2.54;
            elseif ($unit=='in')
                $this->k = 72;
            else
                $this->Error('Incorrect unit: ' . $unit);
            //Page format
            $this->PageFormats = array('a3'     => array(841.89, 1190.55), 'a4' => array(595.28, 841.89), 'a5' => array(420.94, 595.28),
                                       'letter' => array(612, 792), 'legal' => array(612, 1008));
            if (is_string($format))
                $format = $this->_getpageformat($format);
            $this->DefPageFormat = $format;
            $this->CurPageFormat = $format;
            //Page orientation
            $orientation = strtolower($orientation);
            if ($orientation=='p' || $orientation=='portrait') {
                $this->DefOrientation = 'P';
                $this->w              = $this->DefPageFormat[0];
                $this->h              = $this->DefPageFormat[1];
            } elseif ($orientation=='l' || $orientation=='landscape') {
                $this->DefOrientation = 'L';
                $this->w              = $this->DefPageFormat[1];
                $this->h              = $this->DefPageFormat[0];
            } else
                $this->Error('Incorrect orientation: ' . $orientation);
            $this->CurOrientation = $this->DefOrientation;
            $this->wPt            = $this->w * $this->k;
            $this->hPt            = $this->h * $this->k;
            //Page margins (1 cm)
            $margin = 28.35 / $this->k;
            $this->SetMargins($margin, $margin);
            //Interior cell margin (1 mm)
            $this->cMargin = $margin / 10;
            //Line width (0.2 mm)
            $this->LineWidth = .567 / $this->k;
            //Automatic page break
            $this->SetAutoPageBreak(true, 2 * $margin);
            //Full width display mode
            $this->SetDisplayMode('fullwidth');
            //Enable compression
            $this->SetCompression(true);
            //Set default PDF version number
            $this->PDFVersion = '1.3';
        }

        /*******************************************************************************
         *                                                                              *
         *                              Protected methods                               *
         *                                                                              *
         *******************************************************************************/
        function _dochecks()
        {
            //Check availability of %F
            if (sprintf('%.1F', 1.0)!='1.0')
                $this->Error('This version of PHP is not supported');
            //Check mbstring overloading
            if (ini_get('mbstring.func_overload') & 2)
                $this->Error('mbstring overloading must be disabled');
            //Disable runtime magic quotes
            if (get_magic_quotes_runtime())
                @set_magic_quotes_runtime(0);
        }

        function Error($msg)
        {
            //Fatal error
            die('<b>FPDF error:</b> ' . $msg);
        }

        function _getpageformat($format)
        {
            $format = strtolower($format);
            if (!isset($this->PageFormats[$format]))
                $this->Error('Unknown page format: ' . $format);
            $a = $this->PageFormats[$format];
            return array($a[0] / $this->k, $a[1] / $this->k);
        }

        function SetMargins($left, $top, $right = null)
        {
            //Set left, top and right margins
            $this->lMargin = $left;
            $this->tMargin = $top;
            if ($right===null)
                $right = $left;
            $this->rMargin = $right;
        }

        function SetAutoPageBreak($auto, $margin = 0)
        {
            //Set auto page break mode and triggering margin
            $this->AutoPageBreak    = $auto;
            $this->bMargin          = $margin;
            $this->PageBreakTrigger = $this->h - $margin;
        }

        function SetDisplayMode($zoom, $layout = 'continuous')
        {
            //Set display mode in viewer
            if ($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
                $this->ZoomMode = $zoom;
            else
                $this->Error('Incorrect zoom display mode: ' . $zoom);
            if ($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
                $this->LayoutMode = $layout;
            else
                $this->Error('Incorrect layout display mode: ' . $layout);
        }

        function SetCompression($compress)
        {
            //Set page compression
            if (function_exists('gzcompress'))
                $this->compress = $compress;
            else
                $this->compress = false;
        }

        function SetLeftMargin($margin)
        {
            //Set left margin
            $this->lMargin = $margin;
            if ($this->page > 0 && $this->x < $margin)
                $this->x = $margin;
        }

        function SetTopMargin($margin)
        {
            //Set top margin
            $this->tMargin = $margin;
        }

        function SetRightMargin($margin)
        {
            //Set right margin
            $this->rMargin = $margin;
        }

        function SetTitle($title, $isUTF8 = false)
        {
            //Title of document
            if ($isUTF8)
                $title = $this->_UTF8toUTF16($title);
            $this->title = $title;
        }

        function _UTF8toUTF16($s)
        {
            //Convert UTF-8 to UTF-16BE with BOM
            $res = "\xFE\xFF";
            $nb  = strlen($s);
            $i   = 0;
            while ($i < $nb) {
                $c1 = ord($s[$i++]);
                if ($c1 >= 224) {
                    //3-byte character
                    $c2 = ord($s[$i++]);
                    $c3 = ord($s[$i++]);
                    $res .= chr((($c1 & 0x0F) << 4) + (($c2 & 0x3C) >> 2));
                    $res .= chr((($c2 & 0x03) << 6) + ($c3 & 0x3F));
                } elseif ($c1 >= 192) {
                    //2-byte character
                    $c2 = ord($s[$i++]);
                    $res .= chr(($c1 & 0x1C) >> 2);
                    $res .= chr((($c1 & 0x03) << 6) + ($c2 & 0x3F));
                } else {
                    //Single-byte character
                    $res .= "\0" . chr($c1);
                }
            }
            return $res;
        }

        function SetSubject($subject, $isUTF8 = false)
        {
            //Subject of document
            if ($isUTF8)
                $subject = $this->_UTF8toUTF16($subject);
            $this->subject = $subject;
        }

        function SetAuthor($author, $isUTF8 = false)
        {
            //Author of document
            if ($isUTF8)
                $author = $this->_UTF8toUTF16($author);
            $this->author = $author;
        }

        function SetKeywords($keywords, $isUTF8 = false)
        {
            //Keywords of document
            if ($isUTF8)
                $keywords = $this->_UTF8toUTF16($keywords);
            $this->keywords = $keywords;
        }

        function SetCreator($creator, $isUTF8 = false)
        {
            //Creator of document
            if ($isUTF8)
                $creator = $this->_UTF8toUTF16($creator);
            $this->creator = $creator;
        }

        function AliasNbPages($alias = '{nb}')
        {
            //Define an alias for total number of pages
            $this->AliasNbPages = $alias;
        }

        function PageNo()
        {
            //Get current page number
            return $this->page;
        }

        function SetDrawColor($r, $g = null, $b = null)
        {
            //Set color for all stroking operations
            if (($r==0 && $g==0 && $b==0) || $g===null)
                $this->DrawColor = sprintf('%.3F G', $r / 255);
            else
                $this->DrawColor = sprintf('%.3F %.3F %.3F RG', $r / 255, $g / 255, $b / 255);
            if ($this->page > 0)
                $this->_out($this->DrawColor);
        }

        function _out($s)
        {
            //Add a line to the document
            if ($this->state==2)
                $this->pages[$this->page] .= $s . "\n";
            else
                $this->buffer .= $s . "\n";
        }

        function SetFillColor($r, $g = null, $b = null)
        {
            //Set color for all filling operations
            if (($r==0 && $g==0 && $b==0) || $g===null)
                $this->FillColor = sprintf('%.3F g', $r / 255);
            else
                $this->FillColor = sprintf('%.3F %.3F %.3F rg', $r / 255, $g / 255, $b / 255);
            $this->ColorFlag = ($this->FillColor!=$this->TextColor);
            if ($this->page > 0)
                $this->_out($this->FillColor);
        }

        function SetTextColor($r, $g = null, $b = null)
        {
            //Set color for text
            if (($r==0 && $g==0 && $b==0) || $g===null)
                $this->TextColor = sprintf('%.3F g', $r / 255);
            else
                $this->TextColor = sprintf('%.3F %.3F %.3F rg', $r / 255, $g / 255, $b / 255);
            $this->ColorFlag = ($this->FillColor!=$this->TextColor);
        }

        function SetLineWidth($width)
        {
            //Set line width
            $this->LineWidth = $width;
            if ($this->page > 0)
                $this->_out(sprintf('%.2F w', $width * $this->k));
        }

        function Line($x1, $y1, $x2, $y2)
        {
            //Draw a line
            $this->_out(sprintf('%.2F %.2F m %.2F %.2F l S', $x1 * $this->k, ($this->h - $y1) * $this->k, $x2 * $this->k, ($this->h - $y2) * $this->k));
        }

        function Rect($x, $y, $w, $h, $style = '')
        {
            //Draw a rectangle
            if ($style=='F')
                $op = 'f';
            elseif ($style=='FD' || $style=='DF')
                $op = 'B';
            else
                $op = 'S';
            $this->_out(sprintf('%.2F %.2F %.2F %.2F re %s', $x * $this->k, ($this->h - $y) * $this->k, $w * $this->k, -$h * $this->k, $op));
        }

        function AddFont($family, $style = '', $file = '')
        {
            //Add a TrueType or Type1 font
            $family = strtolower($family);
            if ($file=='')
                $file = str_replace(' ', '', $family) . strtolower($style) . '.php';
            if ($family=='arial')
                $family = 'helvetica';
            $style = strtoupper($style);
            if ($style=='IB')
                $style = 'BI';
            $fontkey = $family . $style;
            if (isset($this->fonts[$fontkey]))
                return;
            include_once($this->_getfontpath() . $file);
            if (!isset($name))
                $this->Error('Could not include font definition file');
            $i                     = count($this->fonts) + 1;
            $this->fonts[$fontkey] = array('i' => $i, 'type' => $type, 'name' => $name, 'desc' => $desc, 'up' => $up, 'ut' => $ut, 'cw' => $cw, 'enc' => $enc, 'file' => $file);
            if ($diff) {
                //Search existing encodings
                $d  = 0;
                $nb = count($this->diffs);
                for ($i = 1; $i <= $nb; $i++) {
                    if ($this->diffs[$i]==$diff) {
                        $d = $i;
                        break;
                    }
                }
                if ($d==0) {
                    $d               = $nb + 1;
                    $this->diffs[$d] = $diff;
                }
                $this->fonts[$fontkey]['diff'] = $d;
            }
            if ($file) {
                if ($type=='TrueType')
                    $this->FontFiles[$file] = array('length1' => $originalsize);
                else
                    $this->FontFiles[$file] = array('length1' => $size1, 'length2' => $size2);
            }
        }

        function _getfontpath()
        {
            if (!defined('FPDF_FONTPATH') && is_dir(dirname(__FILE__) . '/font'))
                define('FPDF_FONTPATH', dirname(__FILE__) . '/font/');
            return defined('FPDF_FONTPATH') ? FPDF_FONTPATH : '';
        }

        function SetFontSize($size)
        {
            //Set font size in points
            if ($this->FontSizePt==$size)
                return;
            $this->FontSizePt = $size;
            $this->FontSize   = $size / $this->k;
            if ($this->page > 0)
                $this->_out(sprintf('BT /F%d %.2F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
        }

        function AddLink()
        {
            //Create a new internal link
            $n               = count($this->links) + 1;
            $this->links[$n] = array(0, 0);
            return $n;
        }

        function SetLink($link, $y = 0, $page = -1)
        {
            //Set destination of internal link
            if ($y==-1)
                $y = $this->y;
            if ($page==-1)
                $page = $this->page;
            $this->links[$link] = array($page, $y);
        }

        function Text($x, $y, $txt)
        {
            //Output a string
            $s = sprintf('BT %.2F %.2F Td (%s) Tj ET', $x * $this->k, ($this->h - $y) * $this->k, $this->_escape($txt));
            if ($this->underline && $txt!='')
                $s .= ' ' . $this->_dounderline($x, $y, $txt);
            if ($this->ColorFlag)
                $s = 'q ' . $this->TextColor . ' ' . $s . ' Q';
            $this->_out($s);
        }

        function _escape($s)
        {
            //Escape special characters in strings
            $s = str_replace('\\', '\\\\', $s);
            $s = str_replace('(', '\\(', $s);
            $s = str_replace(')', '\\)', $s);
            $s = str_replace("\r", '\\r', $s);
            return $s;
        }

        function _dounderline($x, $y, $txt)
        {
            //Underline text
            $up = $this->CurrentFont['up'];
            $ut = $this->CurrentFont['ut'];
            $w  = $this->GetStringWidth($txt) + $this->ws * substr_count($txt, ' ');
            return sprintf('%.2F %.2F %.2F %.2F re f', $x * $this->k, ($this->h - ($y - $up / 1000 * $this->FontSize)) * $this->k, $w * $this->k, -$ut / 1000 * $this->FontSizePt);
        }

        function GetStringWidth($s)
        {
            //Get width of a string in the current font
            $s  = (string)$s;
            $cw =& $this->CurrentFont['cw'];
            $w  = 0;
            $l  = strlen($s);
            for ($i = 0; $i < $l; $i++)
                $w += $cw[$s[$i]];
            return $w * $this->FontSize / 1000;
        }

        function MultiCell($w, $h, $txt, $border = 0, $align = 'J', $fill = false)
        {
            //Output text with automatic or explicit line breaks
            $cw =& $this->CurrentFont['cw'];
            if ($w==0)
                $w = $this->w - $this->rMargin - $this->x;
            $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
            $s    = str_replace("\r", '', $txt);
            $nb   = strlen($s);
            if ($nb > 0 && $s[$nb - 1]=="\n")
                $nb--;
            $b = 0;
            if ($border) {
                if ($border==1) {
                    $border = 'LTRB';
                    $b      = 'LRT';
                    $b2     = 'LR';
                } else {
                    $b2 = '';
                    if (strpos($border, 'L')!==false)
                        $b2 .= 'L';
                    if (strpos($border, 'R')!==false)
                        $b2 .= 'R';
                    $b = (strpos($border, 'T')!==false) ? $b2 . 'T' : $b2;
                }
            }
            $sep = -1;
            $i   = 0;
            $j   = 0;
            $l   = 0;
            $ns  = 0;
            $nl  = 1;
            while ($i < $nb) {
                //Get next character
                $c = $s[$i];
                if ($c=="\n") {
                    //Explicit line break
                    if ($this->ws > 0) {
                        $this->ws = 0;
                        $this->_out('0 Tw');
                    }
                    $this->Cell($w, $h, substr($s, $j, $i - $j), $b, 2, $align, $fill);
                    $i++;
                    $sep = -1;
                    $j   = $i;
                    $l   = 0;
                    $ns  = 0;
                    $nl++;
                    if ($border && $nl==2)
                        $b = $b2;
                    continue;
                }
                if ($c==' ') {
                    $sep = $i;
                    $ls  = $l;
                    $ns++;
                }
                $l += $cw[$c];
                if ($l > $wmax) {
                    //Automatic line break
                    if ($sep==-1) {
                        if ($i==$j)
                            $i++;
                        if ($this->ws > 0) {
                            $this->ws = 0;
                            $this->_out('0 Tw');
                        }
                        $this->Cell($w, $h, substr($s, $j, $i - $j), $b, 2, $align, $fill);
                    } else {
                        if ($align=='J') {
                            $this->ws = ($ns > 1) ? ($wmax - $ls) / 1000 * $this->FontSize / ($ns - 1) : 0;
                            $this->_out(sprintf('%.3F Tw', $this->ws * $this->k));
                        }
                        $this->Cell($w, $h, substr($s, $j, $sep - $j), $b, 2, $align, $fill);
                        $i = $sep + 1;
                    }
                    $sep = -1;
                    $j   = $i;
                    $l   = 0;
                    $ns  = 0;
                    $nl++;
                    if ($border && $nl==2)
                        $b = $b2;
                } else
                    $i++;
            }
            //Last chunk
            if ($this->ws > 0) {
                $this->ws = 0;
                $this->_out('0 Tw');
            }
            if ($border && strpos($border, 'B')!==false)
                $b .= 'B';
            $this->Cell($w, $h, substr($s, $j, $i - $j), $b, 2, $align, $fill);
            $this->x = $this->lMargin;
        }

        function Cell($w, $h = 0, $txt = '', $border = 0, $ln = 0, $align = '', $fill = false, $link = '')
        {
            //Output a cell
            $k = $this->k;
            if ($this->y + $h > $this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak()) {
                //Automatic page break
                $x  = $this->x;
                $ws = $this->ws;
                if ($ws > 0) {
                    $this->ws = 0;
                    $this->_out('0 Tw');
                }
                $this->AddPage($this->CurOrientation, $this->CurPageFormat);
                $this->x = $x;
                if ($ws > 0) {
                    $this->ws = $ws;
                    $this->_out(sprintf('%.3F Tw', $ws * $k));
                }
            }
            if ($w==0)
                $w = $this->w - $this->rMargin - $this->x;
            $s = '';
            if ($fill || $border==1) {
                if ($fill)
                    $op = ($border==1) ? 'B' : 'f';
                else
                    $op = 'S';
                $s = sprintf('%.2F %.2F %.2F %.2F re %s ', $this->x * $k, ($this->h - $this->y) * $k, $w * $k, -$h * $k, $op);
            }
            if (is_string($border)) {
                $x = $this->x;
                $y = $this->y;
                if (strpos($border, 'L')!==false)
                    $s .= sprintf('%.2F %.2F m %.2F %.2F l S ', $x * $k, ($this->h - $y) * $k, $x * $k, ($this->h - ($y + $h)) * $k);
                if (strpos($border, 'T')!==false)
                    $s .= sprintf('%.2F %.2F m %.2F %.2F l S ', $x * $k, ($this->h - $y) * $k, ($x + $w) * $k, ($this->h - $y) * $k);
                if (strpos($border, 'R')!==false)
                    $s .= sprintf('%.2F %.2F m %.2F %.2F l S ', ($x + $w) * $k, ($this->h - $y) * $k, ($x + $w) * $k, ($this->h - ($y + $h)) * $k);
                if (strpos($border, 'B')!==false)
                    $s .= sprintf('%.2F %.2F m %.2F %.2F l S ', $x * $k, ($this->h - ($y + $h)) * $k, ($x + $w) * $k, ($this->h - ($y + $h)) * $k);
            }
            if ($txt!=='') {
                if ($align=='R')
                    $dx = $w - $this->cMargin - $this->GetStringWidth($txt);
                elseif ($align=='C')
                    $dx = ($w - $this->GetStringWidth($txt)) / 2;
                else
                    $dx = $this->cMargin;
                if ($this->ColorFlag)
                    $s .= 'q ' . $this->TextColor . ' ';
                $txt2 = str_replace(')', '\\)', str_replace('(', '\\(', str_replace('\\', '\\\\', $txt)));
                $s .= sprintf('BT %.2F %.2F Td (%s) Tj ET', ($this->x + $dx) * $k, ($this->h - ($this->y + .5 * $h + .3 * $this->FontSize)) * $k, $txt2);
                if ($this->underline)
                    $s .= ' ' . $this->_dounderline($this->x + $dx, $this->y + .5 * $h + .3 * $this->FontSize, $txt);
                if ($this->ColorFlag)
                    $s .= ' Q';
                if ($link)
                    $this->Link($this->x + $dx, $this->y + .5 * $h - .5 * $this->FontSize, $this->GetStringWidth($txt), $this->FontSize, $link);
            }
            if ($s)
                $this->_out($s);
            $this->lasth = $h;
            if ($ln > 0) {
                //Go to next line
                $this->y += $h;
                if ($ln==1)
                    $this->x = $this->lMargin;
            } else
                $this->x += $w;
        }

        function AcceptPageBreak()
        {
            //Accept automatic page break or not
            return $this->AutoPageBreak;
        }

        function AddPage($orientation = '', $format = '')
        {
            //Start a new page
            if ($this->state==0)
                $this->Open();
            $family = $this->FontFamily;
            $style  = $this->FontStyle . ($this->underline ? 'U' : '');
            $size   = $this->FontSizePt;
            $lw     = $this->LineWidth;
            $dc     = $this->DrawColor;
            $fc     = $this->FillColor;
            $tc     = $this->TextColor;
            $cf     = $this->ColorFlag;
            if ($this->page > 0) {
                //Page footer
                $this->InFooter = true;
                $this->Footer();
                $this->InFooter = false;
                //Close page
                $this->_endpage();
            }
            //Start new page
            $this->_beginpage($orientation, $format);
            //Set line cap style to square
            $this->_out('2 J');
            //Set line width
            $this->LineWidth = $lw;
            $this->_out(sprintf('%.2F w', $lw * $this->k));
            //Set font
            if ($family)
                $this->SetFont($family, $style, $size);
            //Set colors
            $this->DrawColor = $dc;
            if ($dc!='0 G')
                $this->_out($dc);
            $this->FillColor = $fc;
            if ($fc!='0 g')
                $this->_out($fc);
            $this->TextColor = $tc;
            $this->ColorFlag = $cf;
            //Page header
            $this->InHeader = true;
            $this->Header();
            $this->InHeader = false;
            //Restore line width
            if ($this->LineWidth!=$lw) {
                $this->LineWidth = $lw;
                $this->_out(sprintf('%.2F w', $lw * $this->k));
            }
            //Restore font
            if ($family)
                $this->SetFont($family, $style, $size);
            //Restore colors
            if ($this->DrawColor!=$dc) {
                $this->DrawColor = $dc;
                $this->_out($dc);
            }
            if ($this->FillColor!=$fc) {
                $this->FillColor = $fc;
                $this->_out($fc);
            }
            $this->TextColor = $tc;
            $this->ColorFlag = $cf;
        }

        function Open()
        {
            //Begin document
            $this->state = 1;
        }

        function Footer()
        {
            //To be implemented in your own inherited class
        }

        function _endpage()
        {
            $this->state = 1;
        }

        function _beginpage($orientation, $format)
        {
            $this->page++;
            $this->pages[$this->page] = '';
            $this->state              = 2;
            $this->x                  = $this->lMargin;
            $this->y                  = $this->tMargin;
            $this->FontFamily         = '';
            //Check page size
            if ($orientation=='')
                $orientation = $this->DefOrientation;
            else
                $orientation = strtoupper($orientation[0]);
            if ($format=='')
                $format = $this->DefPageFormat;
            else {
                if (is_string($format))
                    $format = $this->_getpageformat($format);
            }
            if ($orientation!=$this->CurOrientation || $format[0]!=$this->CurPageFormat[0] || $format[1]!=$this->CurPageFormat[1]) {
                //New size
                if ($orientation=='P') {
                    $this->w = $format[0];
                    $this->h = $format[1];
                } else {
                    $this->w = $format[1];
                    $this->h = $format[0];
                }
                $this->wPt              = $this->w * $this->k;
                $this->hPt              = $this->h * $this->k;
                $this->PageBreakTrigger = $this->h - $this->bMargin;
                $this->CurOrientation   = $orientation;
                $this->CurPageFormat    = $format;
            }
            if ($orientation!=$this->DefOrientation || $format[0]!=$this->DefPageFormat[0] || $format[1]!=$this->DefPageFormat[1])
                $this->PageSizes[$this->page] = array($this->wPt, $this->hPt);
        }

        function SetFont($family, $style = '', $size = 0)
        {
            //Select a font; size given in points
            global $fpdf_charwidths;

            $family = strtolower($family);
            if ($family=='')
                $family = $this->FontFamily;
            if ($family=='arial')
                $family = 'helvetica';
            elseif ($family=='symbol' || $family=='zapfdingbats')
                $style = '';
            $style = strtoupper($style);
            if (strpos($style, 'U')!==false) {
                $this->underline = true;
                $style           = str_replace('U', '', $style);
            } else
                $this->underline = false;
            if ($style=='IB')
                $style = 'BI';
            if ($size==0)
                $size = $this->FontSizePt;
            //Test if font is already selected
            if ($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size)
                return;
            //Test if used for the first time
            $fontkey = $family . $style;
            if (!isset($this->fonts[$fontkey])) {
                //Check if one of the standard fonts
                if (isset($this->CoreFonts[$fontkey])) {
                    if (!isset($fpdf_charwidths[$fontkey])) {
                        //Load metric file
                        $file = $family;
                        if ($family=='times' || $family=='helvetica')
                            $file .= strtolower($style);
                        include_once($this->_getfontpath() . $file . '.php');
                        if (!isset($fpdf_charwidths[$fontkey]))
                            $this->Error('Could not include font metric file');
                    }
                    $i                     = count($this->fonts) + 1;
                    $name                  = $this->CoreFonts[$fontkey];
                    $cw                    = $fpdf_charwidths[$fontkey];
                    $this->fonts[$fontkey] = array('i' => $i, 'type' => 'core', 'name' => $name, 'up' => -100, 'ut' => 50, 'cw' => $cw);
                } else
                    $this->Error('Undefined font: ' . $family . ' ' . $style);
            }
            //Select it
            $this->FontFamily  = $family;
            $this->FontStyle   = $style;
            $this->FontSizePt  = $size;
            $this->FontSize    = $size / $this->k;
            $this->CurrentFont =& $this->fonts[$fontkey];
            if ($this->page > 0)
                $this->_out(sprintf('BT /F%d %.2F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
        }

        function Header()
        {
            //To be implemented in your own inherited class
        }

        function Link($x, $y, $w, $h, $link)
        {
            //Put a link on the page
            $this->PageLinks[$this->page][] = array($x * $this->k, $this->hPt - $y * $this->k, $w * $this->k, $h * $this->k, $link);
        }

        function Write($h, $txt, $link = '')
        {
            //Output text in flowing mode
            $cw   =& $this->CurrentFont['cw'];
            $w    = $this->w - $this->rMargin - $this->x;
            $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
            $s    = str_replace("\r", '', $txt);
            $nb   = strlen($s);
            $sep  = -1;
            $i    = 0;
            $j    = 0;
            $l    = 0;
            $nl   = 1;
            while ($i < $nb) {
                //Get next character
                $c = $s[$i];
                if ($c=="\n") {
                    //Explicit line break
                    $this->Cell($w, $h, substr($s, $j, $i - $j), 0, 2, '', 0, $link);
                    $i++;
                    $sep = -1;
                    $j   = $i;
                    $l   = 0;
                    if ($nl==1) {
                        $this->x = $this->lMargin;
                        $w       = $this->w - $this->rMargin - $this->x;
                        $wmax    = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
                    }
                    $nl++;
                    continue;
                }
                if ($c==' ')
                    $sep = $i;
                $l += $cw[$c];
                if ($l > $wmax) {
                    //Automatic line break
                    if ($sep==-1) {
                        if ($this->x > $this->lMargin) {
                            //Move to next line
                            $this->x = $this->lMargin;
                            $this->y += $h;
                            $w    = $this->w - $this->rMargin - $this->x;
                            $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
                            $i++;
                            $nl++;
                            continue;
                        }
                        if ($i==$j)
                            $i++;
                        $this->Cell($w, $h, substr($s, $j, $i - $j), 0, 2, '', 0, $link);
                    } else {
                        $this->Cell($w, $h, substr($s, $j, $sep - $j), 0, 2, '', 0, $link);
                        $i = $sep + 1;
                    }
                    $sep = -1;
                    $j   = $i;
                    $l   = 0;
                    if ($nl==1) {
                        $this->x = $this->lMargin;
                        $w       = $this->w - $this->rMargin - $this->x;
                        $wmax    = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
                    }
                    $nl++;
                } else
                    $i++;
            }
            //Last chunk
            if ($i!=$j)
                $this->Cell($l / 1000 * $this->FontSize, $h, substr($s, $j), 0, 0, '', 0, $link);
        }

        function Ln($h = null)
        {
            //Line feed; default value is last cell height
            $this->x = $this->lMargin;
            if ($h===null)
                $this->y += $this->lasth;
            else
                $this->y += $h;
        }

        function Image($file, $x = null, $y = null, $w = 0, $h = 0, $type = '', $link = '')
        {
            //Put an image on the page
            if (!isset($this->images[$file])) {
                //First use of this image, get info
                if ($type=='') {
                    $pos = strrpos($file, '.');
                    if (!$pos)
                        $this->Error('Image file has no extension and no type was specified: ' . $file);
                    $type = substr($file, $pos + 1);
                }
                $type = strtolower($type);
                if ($type=='jpeg')
                    $type = 'jpg';
                $mtd = '_parse' . $type;
                if (!method_exists($this, $mtd))
                    $this->Error('Unsupported image type: ' . $type);
                $info                = $this->$mtd($file);
                $info['i']           = count($this->images) + 1;
                $this->images[$file] = $info;
            } else
                $info = $this->images[$file];
            //Automatic width and height calculation if needed
            if ($w==0 && $h==0) {
                //Put image at 72 dpi
                $w = $info['w'] / $this->k;
                $h = $info['h'] / $this->k;
            } elseif ($w==0)
                $w = $h * $info['w'] / $info['h'];
            elseif ($h==0)
                $h = $w * $info['h'] / $info['w'];
            //Flowing mode
            if ($y===null) {
                if ($this->y + $h > $this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak()) {
                    //Automatic page break
                    $x2 = $this->x;
                    $this->AddPage($this->CurOrientation, $this->CurPageFormat);
                    $this->x = $x2;
                }
                $y = $this->y;
                $this->y += $h;
            }
            if ($x===null)
                $x = $this->x;
            $this->_out(sprintf('q %.2F 0 0 %.2F %.2F %.2F cm /I%d Do Q', $w * $this->k, $h * $this->k, $x * $this->k, ($this->h - ($y + $h)) * $this->k, $info['i']));
            if ($link)
                $this->Link($x, $y, $w, $h, $link);
        }

        function GetX()
        {
            //Get x position
            return $this->x;
        }

        function SetX($x)
        {
            //Set x position
            if ($x >= 0)
                $this->x = $x;
            else
                $this->x = $this->w + $x;
        }

        function GetY()
        {
            //Get y position
            return $this->y;
        }

        function SetXY($x, $y)
        {
            //Set x and y positions
            $this->SetY($y);
            $this->SetX($x);
        }

        function SetY($y)
        {
            //Set y position and reset x
            $this->x = $this->lMargin;
            if ($y >= 0)
                $this->y = $y;
            else
                $this->y = $this->h + $y;
        }

        function Output($name = '', $dest = '')
        {
            //Output PDF to some destination
            if ($this->state < 3)
                $this->Close();
            $dest = strtoupper($dest);
            if ($dest=='') {
                if ($name=='') {
                    $name = 'doc.pdf';
                    $dest = 'I';
                } else
                    $dest = 'F';
            }
            switch ($dest) {
                case 'I':
                    //Send to standard output
                    if (ob_get_length())
                        $this->Error('Some data has already been output, can\'t send PDF file');
                    if (php_sapi_name()!='cli') {
                        //We send to a browser
                        header('Content-Type: application/pdf');
                        if (headers_sent())
                            $this->Error('Some data has already been output, can\'t send PDF file');
                        header('Content-Length: ' . strlen($this->buffer));
                        header('Content-Disposition: inline; filename="' . $name . '"');
                        header('Cache-Control: private, max-age=0, must-revalidate');
                        header('Pragma: public');
                        ini_set('zlib.output_compression', '0');
                    }
                    echo $this->buffer;
                    break;
                case 'D':
                    //Download file
                    if (ob_get_length())
                        $this->Error('Some data has already been output, can\'t send PDF file');
                    header('Content-Type: application/x-download');
                    if (headers_sent())
                        $this->Error('Some data has already been output, can\'t send PDF file');
                    header('Content-Length: ' . strlen($this->buffer));
                    header('Content-Disposition: attachment; filename="' . $name . '"');
                    header('Cache-Control: private, max-age=0, must-revalidate');
                    header('Pragma: public');
                    ini_set('zlib.output_compression', '0');
                    echo $this->buffer;
                    break;
                case 'F':
                    //Save to local file
                    $f = fopen($name, 'wb');
                    if (!$f)
                        $this->Error('Unable to create output file: ' . $name);
                    fwrite($f, $this->buffer, strlen($this->buffer));
                    fclose($f);
                    break;
                case 'S':
                    //Return as a string
                    return $this->buffer;
                default:
                    $this->Error('Incorrect output destination: ' . $dest);
            }
            return '';
        }

        function Close()
        {
            //Terminate document
            if ($this->state==3)
                return;
            if ($this->page==0)
                $this->AddPage();
            //Page footer
            $this->InFooter = true;
            $this->Footer();
            $this->InFooter = false;
            //Close page
            $this->_endpage();
            //Close document
            $this->_enddoc();
        }

        function _enddoc()
        {
            $this->_putheader();
            $this->_putpages();
            $this->_putresources();
            //Info
            $this->_newobj();
            $this->_out('<<');
            $this->_putinfo();
            $this->_out('>>');
            $this->_out('endobj');
            //Catalog
            $this->_newobj();
            $this->_out('<<');
            $this->_putcatalog();
            $this->_out('>>');
            $this->_out('endobj');
            //Cross-ref
            $o = strlen($this->buffer);
            $this->_out('xref');
            $this->_out('0 ' . ($this->n + 1));
            $this->_out('0000000000 65535 f ');
            for ($i = 1; $i <= $this->n; $i++)
                $this->_out(sprintf('%010d 00000 n ', $this->offsets[$i]));
            //Trailer
            $this->_out('trailer');
            $this->_out('<<');
            $this->_puttrailer();
            $this->_out('>>');
            $this->_out('startxref');
            $this->_out($o);
            $this->_out('%%EOF');
            $this->state = 3;
        }

        function _putheader()
        {
            $this->_out('%PDF-' . $this->PDFVersion);
        }

        function _putpages()
        {
            $nb = $this->page;
            if (!empty($this->AliasNbPages)) {
                //Replace number of pages
                for ($n = 1; $n <= $nb; $n++)
                    $this->pages[$n] = str_replace($this->AliasNbPages, $nb, $this->pages[$n]);
            }
            if ($this->DefOrientation=='P') {
                $wPt = $this->DefPageFormat[0] * $this->k;
                $hPt = $this->DefPageFormat[1] * $this->k;
            } else {
                $wPt = $this->DefPageFormat[1] * $this->k;
                $hPt = $this->DefPageFormat[0] * $this->k;
            }
            $filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
            for ($n = 1; $n <= $nb; $n++) {
                //Page
                $this->_newobj();
                $this->_out('<</Type /Page');
                $this->_out('/Parent 1 0 R');
                if (isset($this->PageSizes[$n]))
                    $this->_out(sprintf('/MediaBox [0 0 %.2F %.2F]', $this->PageSizes[$n][0], $this->PageSizes[$n][1]));
                $this->_out('/Resources 2 0 R');
                if (isset($this->PageLinks[$n])) {
                    //Links
                    $annots = '/Annots [';
                    foreach ($this->PageLinks[$n] as $pl) {
                        $rect = sprintf('%.2F %.2F %.2F %.2F', $pl[0], $pl[1], $pl[0] + $pl[2], $pl[1] - $pl[3]);
                        $annots .= '<</Type /Annot /Subtype /Link /Rect [' . $rect . '] /Border [0 0 0] ';
                        if (is_string($pl[4]))
                            $annots .= '/A <</S /URI /URI ' . $this->_textstring($pl[4]) . '>>>>';
                        else {
                            $l = $this->links[$pl[4]];
                            $h = isset($this->PageSizes[$l[0]]) ? $this->PageSizes[$l[0]][1] : $hPt;
                            $annots .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>', 1 + 2 * $l[0], $h - $l[1] * $this->k);
                        }
                    }
                    $this->_out($annots . ']');
                }
                $this->_out('/Contents ' . ($this->n + 1) . ' 0 R>>');
                $this->_out('endobj');
                //Page content
                $p = ($this->compress) ? gzcompress($this->pages[$n]) : $this->pages[$n];
                $this->_newobj();
                $this->_out('<<' . $filter . '/Length ' . strlen($p) . '>>');
                $this->_putstream($p);
                $this->_out('endobj');
            }
            //Pages root
            $this->offsets[1] = strlen($this->buffer);
            $this->_out('1 0 obj');
            $this->_out('<</Type /Pages');
            $kids = '/Kids [';
            for ($i = 0; $i < $nb; $i++)
                $kids .= (3 + 2 * $i) . ' 0 R ';
            $this->_out($kids . ']');
            $this->_out('/Count ' . $nb);
            $this->_out(sprintf('/MediaBox [0 0 %.2F %.2F]', $wPt, $hPt));
            $this->_out('>>');
            $this->_out('endobj');
        }

        function _newobj()
        {
            //Begin a new object
            $this->n++;
            $this->offsets[$this->n] = strlen($this->buffer);
            $this->_out($this->n . ' 0 obj');
        }

        function _textstring($s)
        {
            //Format a text string
            return '(' . $this->_escape($s) . ')';
        }

        function _putstream($s)
        {
            $this->_out('stream');
            $this->_out($s);
            $this->_out('endstream');
        }

        function _putresources()
        {
            $this->_putfonts();
            $this->_putimages();
            //Resource dictionary
            $this->offsets[2] = strlen($this->buffer);
            $this->_out('2 0 obj');
            $this->_out('<<');
            $this->_putresourcedict();
            $this->_out('>>');
            $this->_out('endobj');
        }

        function _putfonts()
        {
            $nf = $this->n;
            foreach ($this->diffs as $diff) {
                //Encodings
                $this->_newobj();
                $this->_out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences [' . $diff . ']>>');
                $this->_out('endobj');
            }
            foreach ($this->FontFiles as $file => $info) {
                //Font file embedding
                $this->_newobj();
                $this->FontFiles[$file]['n'] = $this->n;
                $font                        = '';
                $f                           = fopen($this->_getfontpath() . $file, 'rb', 1);
                if (!$f)
                    $this->Error('Font file not found');
                while (!feof($f))
                    $font .= fread($f, 8192);
                fclose($f);
                $compressed = (substr($file, -2)=='.z');
                if (!$compressed && isset($info['length2'])) {
                    $header = (ord($font[0])==128);
                    if ($header) {
                        //Strip first binary header
                        $font = substr($font, 6);
                    }
                    if ($header && ord($font[$info['length1']])==128) {
                        //Strip second binary header
                        $font = substr($font, 0, $info['length1']) . substr($font, $info['length1'] + 6);
                    }
                }
                $this->_out('<</Length ' . strlen($font));
                if ($compressed)
                    $this->_out('/Filter /FlateDecode');
                $this->_out('/Length1 ' . $info['length1']);
                if (isset($info['length2']))
                    $this->_out('/Length2 ' . $info['length2'] . ' /Length3 0');
                $this->_out('>>');
                $this->_putstream($font);
                $this->_out('endobj');
            }
            foreach ($this->fonts as $k => $font) {
                //Font objects
                $this->fonts[$k]['n'] = $this->n + 1;
                $type                 = $font['type'];
                $name                 = $font['name'];
                if ($type=='core') {
                    //Standard font
                    $this->_newobj();
                    $this->_out('<</Type /Font');
                    $this->_out('/BaseFont /' . $name);
                    $this->_out('/Subtype /Type1');
                    if ($name!='Symbol' && $name!='ZapfDingbats')
                        $this->_out('/Encoding /WinAnsiEncoding');
                    $this->_out('>>');
                    $this->_out('endobj');
                } elseif ($type=='Type1' || $type=='TrueType') {
                    //Additional Type1 or TrueType font
                    $this->_newobj();
                    $this->_out('<</Type /Font');
                    $this->_out('/BaseFont /' . $name);
                    $this->_out('/Subtype /' . $type);
                    $this->_out('/FirstChar 32 /LastChar 255');
                    $this->_out('/Widths ' . ($this->n + 1) . ' 0 R');
                    $this->_out('/FontDescriptor ' . ($this->n + 2) . ' 0 R');
                    if ($font['enc']) {
                        if (isset($font['diff']))
                            $this->_out('/Encoding ' . ($nf + $font['diff']) . ' 0 R');
                        else
                            $this->_out('/Encoding /WinAnsiEncoding');
                    }
                    $this->_out('>>');
                    $this->_out('endobj');
                    //Widths
                    $this->_newobj();
                    $cw =& $font['cw'];
                    $s  = '[';
                    for ($i = 32; $i <= 255; $i++)
                        $s .= $cw[chr($i)] . ' ';
                    $this->_out($s . ']');
                    $this->_out('endobj');
                    //Descriptor
                    $this->_newobj();
                    $s = '<</Type /FontDescriptor /FontName /' . $name;
                    foreach ($font['desc'] as $k => $v)
                        $s .= ' /' . $k . ' ' . $v;
                    $file = $font['file'];
                    if ($file)
                        $s .= ' /FontFile' . ($type=='Type1' ? '' : '2') . ' ' . $this->FontFiles[$file]['n'] . ' 0 R';
                    $this->_out($s . '>>');
                    $this->_out('endobj');
                } else {
                    //Allow for additional types
                    $mtd = '_put' . strtolower($type);
                    if (!method_exists($this, $mtd))
                        $this->Error('Unsupported font type: ' . $type);
                    $this->$mtd($font);
                }
            }
        }

        function _putimages()
        {
            $filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
            reset($this->images);
            while (list($file, $info) = each($this->images)) {
                $this->_newobj();
                $this->images[$file]['n'] = $this->n;
                $this->_out('<</Type /XObject');
                $this->_out('/Subtype /Image');
                $this->_out('/Width ' . $info['w']);
                $this->_out('/Height ' . $info['h']);
                if ($info['cs']=='Indexed')
                    $this->_out('/ColorSpace [/Indexed /DeviceRGB ' . (strlen($info['pal']) / 3 - 1) . ' ' . ($this->n + 1) . ' 0 R]');
                else {
                    $this->_out('/ColorSpace /' . $info['cs']);
                    if ($info['cs']=='DeviceCMYK')
                        $this->_out('/Decode [1 0 1 0 1 0 1 0]');
                }
                $this->_out('/BitsPerComponent ' . $info['bpc']);
                if (isset($info['f']))
                    $this->_out('/Filter /' . $info['f']);
                if (isset($info['parms']))
                    $this->_out($info['parms']);
                if (isset($info['trns']) && is_array($info['trns'])) {
                    $trns = '';
                    for ($i = 0; $i < count($info['trns']); $i++)
                        $trns .= $info['trns'][$i] . ' ' . $info['trns'][$i] . ' ';
                    $this->_out('/Mask [' . $trns . ']');
                }
                $this->_out('/Length ' . strlen($info['data']) . '>>');
                $this->_putstream($info['data']);
                unset($this->images[$file]['data']);
                $this->_out('endobj');
                //Palette
                if ($info['cs']=='Indexed') {
                    $this->_newobj();
                    $pal = ($this->compress) ? gzcompress($info['pal']) : $info['pal'];
                    $this->_out('<<' . $filter . '/Length ' . strlen($pal) . '>>');
                    $this->_putstream($pal);
                    $this->_out('endobj');
                }
            }
        }

        function _putresourcedict()
        {
            $this->_out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
            $this->_out('/Font <<');
            foreach ($this->fonts as $font)
                $this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R');
            $this->_out('>>');
            $this->_out('/XObject <<');
            $this->_putxobjectdict();
            $this->_out('>>');
        }

        function _putxobjectdict()
        {
            foreach ($this->images as $image)
                $this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R');
        }

        function _putinfo()
        {
            $this->_out('/Producer ' . $this->_textstring('FPDF ' . FPDF_VERSION));
            if (!empty($this->title))
                $this->_out('/Title ' . $this->_textstring($this->title));
            if (!empty($this->subject))
                $this->_out('/Subject ' . $this->_textstring($this->subject));
            if (!empty($this->author))
                $this->_out('/Author ' . $this->_textstring($this->author));
            if (!empty($this->keywords))
                $this->_out('/Keywords ' . $this->_textstring($this->keywords));
            if (!empty($this->creator))
                $this->_out('/Creator ' . $this->_textstring($this->creator));
            $this->_out('/CreationDate ' . $this->_textstring('D:' . @date('YmdHis')));
        }

        function _putcatalog()
        {
            $this->_out('/Type /Catalog');
            $this->_out('/Pages 1 0 R');
            if ($this->ZoomMode=='fullpage')
                $this->_out('/OpenAction [3 0 R /Fit]');
            elseif ($this->ZoomMode=='fullwidth')
                $this->_out('/OpenAction [3 0 R /FitH null]');
            elseif ($this->ZoomMode=='real')
                $this->_out('/OpenAction [3 0 R /XYZ null null 1]');
            elseif (!is_string($this->ZoomMode))
                $this->_out('/OpenAction [3 0 R /XYZ null null ' . ($this->ZoomMode / 100) . ']');
            if ($this->LayoutMode=='single')
                $this->_out('/PageLayout /SinglePage');
            elseif ($this->LayoutMode=='continuous')
                $this->_out('/PageLayout /OneColumn');
            elseif ($this->LayoutMode=='two')
                $this->_out('/PageLayout /TwoColumnLeft');
        }

        function _puttrailer()
        {
            $this->_out('/Size ' . ($this->n + 1));
            $this->_out('/Root ' . $this->n . ' 0 R');
            $this->_out('/Info ' . ($this->n - 1) . ' 0 R');
        }

        function _parsejpg($file)
        {
            //Extract info from a JPEG file
            $a = GetImageSize($file);
            if (!$a)
                $this->Error('Missing or incorrect image file: ' . $file);
            if ($a[2]!=2)
                $this->Error('Not a JPEG file: ' . $file);
            if (!isset($a['channels']) || $a['channels']==3)
                $colspace = 'DeviceRGB';
            elseif ($a['channels']==4)
                $colspace = 'DeviceCMYK';
            else
                $colspace = 'DeviceGray';
            $bpc = isset($a['bits']) ? $a['bits'] : 8;
            //Read whole file
            $f    = fopen($file, 'rb');
            $data = '';
            while (!feof($f))
                $data .= fread($f, 8192);
            fclose($f);
            return array('w' => $a[0], 'h' => $a[1], 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'DCTDecode', 'data' => $data);
        }

        function _parsegif($file)
        {
            //Extract info from a GIF file (via PNG conversion)
            if (!function_exists('imagepng'))
                $this->Error('GD extension is required for GIF support');
            if (!function_exists('imagecreatefromgif'))
                $this->Error('GD has no GIF read support');
            $im = imagecreatefromgif($file);
            if (!$im)
                $this->Error('Missing or incorrect image file: ' . $file);
            imageinterlace($im, 0);
            $tmp = tempnam('.', 'gif');
            if (!$tmp)
                $this->Error('Unable to create a temporary file');
            if (!imagepng($im, $tmp))
                $this->Error('Error while saving to temporary file');
            imagedestroy($im);
            $info = $this->_parsepng($tmp);
            unlink($tmp);
            return $info;
        }

        function _parsepng($file)
        {
            //Extract info from a PNG file
            $f = fopen($file, 'rb');
            if (!$f)
                $this->Error('Can\'t open image file: ' . $file);
            //Check signature
            if ($this->_readstream($f, 8)!=chr(137) . 'PNG' . chr(13) . chr(10) . chr(26) . chr(10))
                $this->Error('Not a PNG file: ' . $file);
            //Read header chunk
            $this->_readstream($f, 4);
            if ($this->_readstream($f, 4)!='IHDR')
                $this->Error('Incorrect PNG file: ' . $file);
            $w   = $this->_readint($f);
            $h   = $this->_readint($f);
            $bpc = ord($this->_readstream($f, 1));
            if ($bpc > 8)
                $this->Error('16-bit depth not supported: ' . $file);
            $ct = ord($this->_readstream($f, 1));
            if ($ct==0)
                $colspace = 'DeviceGray';
            elseif ($ct==2)
                $colspace = 'DeviceRGB';
            elseif ($ct==3)
                $colspace = 'Indexed';
            else
                $this->Error('Alpha channel not supported: ' . $file);
            if (ord($this->_readstream($f, 1))!=0)
                $this->Error('Unknown compression method: ' . $file);
            if (ord($this->_readstream($f, 1))!=0)
                $this->Error('Unknown filter method: ' . $file);
            if (ord($this->_readstream($f, 1))!=0)
                $this->Error('Interlacing not supported: ' . $file);
            $this->_readstream($f, 4);
            $parms = '/DecodeParms <</Predictor 15 /Colors ' . ($ct==2 ? 3 : 1) . ' /BitsPerComponent ' . $bpc . ' /Columns ' . $w . '>>';
            //Scan chunks looking for palette, transparency and image data
            $pal  = '';
            $trns = '';
            $data = '';
            do {
                $n    = $this->_readint($f);
                $type = $this->_readstream($f, 4);
                if ($type=='PLTE') {
                    //Read palette
                    $pal = $this->_readstream($f, $n);
                    $this->_readstream($f, 4);
                } elseif ($type=='tRNS') {
                    //Read transparency info
                    $t = $this->_readstream($f, $n);
                    if ($ct==0)
                        $trns = array(ord(substr($t, 1, 1)));
                    elseif ($ct==2)
                        $trns = array(ord(substr($t, 1, 1)), ord(substr($t, 3, 1)), ord(substr($t, 5, 1)));
                    else {
                        $pos = strpos($t, chr(0));
                        if ($pos!==false)
                            $trns = array($pos);
                    }
                    $this->_readstream($f, 4);
                } elseif ($type=='IDAT') {
                    //Read image data block
                    $data .= $this->_readstream($f, $n);
                    $this->_readstream($f, 4);
                } elseif ($type=='IEND')
                    break;
                else
                    $this->_readstream($f, $n + 4);
            } while ($n);
            if ($colspace=='Indexed' && empty($pal))
                $this->Error('Missing palette in ' . $file);
            fclose($f);
            return array('w' => $w, 'h' => $h, 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'FlateDecode', 'parms' => $parms, 'pal' => $pal, 'trns' => $trns, 'data' => $data);
        }

        function _readstream($f, $n)
        {
            //Read n bytes from stream
            $res = '';
            while ($n > 0 && !feof($f)) {
                $s = fread($f, $n);
                if ($s===false)
                    $this->Error('Error while reading stream');
                $n -= strlen($s);
                $res .= $s;
            }
            if ($n > 0)
                $this->Error('Unexpected end of stream');
            return $res;
        }

        function _readint($f)
        {
            //Read a 4-byte integer from stream
            $a = unpack('Ni', $this->_readstream($f, 4));
            return $a['i'];
        }
//End of class
    }

    //Handle special IE contype request
    if (isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT']=='contype') {
        header('Content-Type: application/pdf');
        exit;
    }

?>
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AnonSec Team