<?php

/*******************************************************************************
 * FPDF                                                                         *
 *                                                                              *
 * Version: 1.86                                                                *
 * Date:    2023-06-25                                                          *
 * Author:  Olivier PLATHEY                                                     *
 *******************************************************************************/

class FPDF
{
    const VERSION = '1.86';

    protected $page;               // current page number

    protected $n;                  // current object number

    protected $offsets;            // array of object offsets

    protected $buffer;             // buffer holding in-memory PDF

    protected $pages;              // array containing pages

    protected $state;              // current document state

    protected $compress;           // compression flag

    protected $iconv;              // whether iconv is available

    protected $k;                  // scale factor (number of points in user unit)

    protected $DefOrientation;     // default orientation

    protected $CurOrientation;     // current orientation

    protected $StdPageSizes;       // standard page sizes

    protected $DefPageSize;        // default page size

    protected $CurPageSize;        // current page size

    protected $CurRotation;        // current page rotation

    protected $PageInfo;           // page-related data

    protected $wPt;

    protected $hPt;          // dimensions of current page in points

    protected $w;

    protected $h;              // dimensions of current page in user unit

    protected $lMargin;            // left margin

    protected $tMargin;            // top margin

    protected $rMargin;            // right margin

    protected $bMargin;            // page break margin

    protected $cMargin;            // cell margin

    protected $x;

    protected $y;              // current position in user unit

    protected $lasth;              // height of last printed cell

    protected $LineWidth;          // line width in user unit

    protected $fontpath;           // directory containing fonts

    protected $CoreFonts;          // array of core font names

    protected $fonts;              // array of used fonts

    protected $FontFiles;          // array of font files

    protected $encodings;          // array of encodings

    protected $cmaps;              // array of ToUnicode CMaps

    protected $FontFamily;         // current font family

    protected $FontStyle;          // current font style

    protected $underline;          // underlining flag

    protected $CurrentFont;        // current font info

    protected $FontSizePt;         // current font size in points

    protected $FontSize;           // current font size in user unit

    protected $DrawColor;          // commands for drawing color

    protected $FillColor;          // commands for filling color

    protected $TextColor;          // commands for text color

    protected $ColorFlag;          // indicates whether fill and text colors are different

    protected $WithAlpha;          // indicates whether alpha channel is used

    protected $ws;                 // word spacing

    protected $images;             // array of used images

    protected $PageLinks;          // array of links in pages

    protected $links;              // array of internal links

    protected $AutoPageBreak;      // automatic page breaking

    protected $PageBreakTrigger;   // threshold used to trigger page breaks

    protected $InHeader;           // flag set when processing header

    protected $InFooter;           // flag set when processing footer

    protected $AliasNbPages;       // alias for total number of pages

    protected $ZoomMode;           // zoom display mode

    protected $LayoutMode;         // layout display mode

    protected $metadata;           // document properties

    protected $CreationDate;       // document creation date

    protected $PDFVersion;         // PDF version number

    /*******************************************************************************
     *                               Public methods                                 *
     *******************************************************************************/

    public function __construct($orientation = 'P', $unit = 'mm', $size = 'A4')
    {
        // FIXED: Set font path directly
        $this->fontpath = __DIR__.'/font/';

        // Initialization of properties
        $this->state = 0;
        $this->page = 0;
        $this->n = 2;
        $this->buffer = '';
        $this->pages = [];
        $this->PageInfo = [];
        $this->fonts = [];
        $this->FontFiles = [];
        $this->encodings = [];
        $this->cmaps = [];
        $this->images = [];
        $this->links = [];
        $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->WithAlpha = false;
        $this->ws = 0;
        $this->iconv = function_exists('iconv');

        // Core fonts
        $this->CoreFonts = ['courier', 'helvetica', 'times', 'symbol', '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 sizes
        $this->StdPageSizes = [
            'a3' => [841.89, 1190.55],
            'a4' => [595.28, 841.89],
            'a5' => [420.94, 595.28],
            'letter' => [612, 792],
            'legal' => [612, 1008],
        ];
        $size = $this->_getpagesize($size);
        $this->DefPageSize = $size;
        $this->CurPageSize = $size;

        // Page orientation
        $orientation = strtolower($orientation);
        if ($orientation == 'p' || $orientation == 'portrait') {
            $this->DefOrientation = 'P';
            $this->w = $size[0];
            $this->h = $size[1];
        } elseif ($orientation == 'l' || $orientation == 'landscape') {
            $this->DefOrientation = 'L';
            $this->w = $size[1];
            $this->h = $size[0];
        } else {
            $this->Error('Incorrect orientation: '.$orientation);
        }
        $this->CurOrientation = $this->DefOrientation;
        $this->wPt = $this->w * $this->k;
        $this->hPt = $this->h * $this->k;

        // Page rotation
        $this->CurRotation = 0;

        // Margins
        $margin = 28.35 / $this->k;
        $this->SetMargins($margin, $margin);
        $this->cMargin = $margin / 10;
        $this->LineWidth = .567 / $this->k;

        // Page break
        $this->SetAutoPageBreak(true, 2 * $margin);

        // Display and compression
        $this->SetDisplayMode('default');
        $this->SetCompression(true);

        // Metadata
        $this->metadata = ['Producer' => 'FPDF '.self::VERSION];
        $this->PDFVersion = '1.3';
    }

    public 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;
    }

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

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

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

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

    public function SetDisplayMode($zoom, $layout = 'default')
    {
        // Set display mode in viewer
        if ($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);
        }
    }

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

    public function SetTitle($title, $isUTF8 = false)
    {
        // Title of document
        $this->metadata['Title'] = $isUTF8 ? $title : $this->_UTF8encode($title);
    }

    public function SetAuthor($author, $isUTF8 = false)
    {
        // Author of document
        $this->metadata['Author'] = $isUTF8 ? $author : $this->_UTF8encode($author);
    }

    public function SetSubject($subject, $isUTF8 = false)
    {
        // Subject of document
        $this->metadata['Subject'] = $isUTF8 ? $subject : $this->_UTF8encode($subject);
    }

    public function SetKeywords($keywords, $isUTF8 = false)
    {
        // Keywords of document
        $this->metadata['Keywords'] = $isUTF8 ? $keywords : $this->_UTF8encode($keywords);
    }

    public function SetCreator($creator, $isUTF8 = false)
    {
        // Creator of document
        $this->metadata['Creator'] = $isUTF8 ? $creator : $this->_UTF8encode($creator);
    }

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

    public function Error($msg)
    {
        // Fatal error
        throw new Exception('FPDF error: '.$msg);
    }

    public 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();
    }

    public function AddPage($orientation = '', $size = '', $rotation = 0)
    {
        // Start a new page
        if ($this->state == 3) {
            $this->Error('The document is closed');
        }
        $family = $this->FontFamily;
        $style = $this->FontStyle.($this->underline ? 'U' : '');
        $fontsize = $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, $size, $rotation);
        // 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, $fontsize);
        }
        // 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, $fontsize);
        }
        // Restore colors
        if ($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;
    }

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

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

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

    public 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);
        }
    }

    public 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);
        }
    }

    public 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);
    }

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

        return $w * $this->FontSize / 1000;
    }

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

    public 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));
    }

    public 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));
    }

    public function AddFont($family, $style = '', $file = '', $dir = '')
    {
        // Add a TrueType, OpenType or Type1 font
        $family = strtolower($family);
        if ($file == '') {
            $file = str_replace(' ', '', $family).strtolower($style).'.php';
        }
        $style = strtoupper($style);
        if ($style == 'IB') {
            $style = 'BI';
        }
        $fontkey = $family.$style;
        if (isset($this->fonts[$fontkey])) {
            return;
        }
        if (strpos($file, '/') !== false || strpos($file, '\\') !== false) {
            $this->Error('Incorrect font definition file name: '.$file);
        }
        if ($dir == '') {
            $dir = $this->fontpath;
        }
        if (substr($dir, -1) != '/' && substr($dir, -1) != '\\') {
            $dir .= '/';
        }
        $info = $this->_loadfont($dir.$file);
        $info['i'] = count($this->fonts) + 1;
        if (! empty($info['file'])) {
            // Embedded font
            $info['file'] = $dir.$info['file'];
            if ($info['type'] == 'TrueType') {
                $this->FontFiles[$info['file']] = ['length1' => $info['originalsize']];
            } else {
                $this->FontFiles[$info['file']] = ['length1' => $info['size1'], 'length2' => $info['size2']];
            }
        }
        $this->fonts[$fontkey] = $info;
    }

    public function SetFont($family, $style = '', $size = 0)
    {
        // Select a font; size given in points
        if ($family == '') {
            $family = $this->FontFamily;
        } else {
            $family = strtolower($family);
        }
        $style = strtoupper($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 font is already loaded
        $fontkey = $family.$style;
        if (! isset($this->fonts[$fontkey])) {
            // Test if one of the core fonts
            if ($family == 'arial') {
                $family = 'helvetica';
            }
            if (in_array($family, $this->CoreFonts)) {
                if ($family == 'symbol' || $family == 'zapfdingbats') {
                    $style = '';
                }
                $fontkey = $family.$style;
                if (! isset($this->fonts[$fontkey])) {
                    $this->AddFont($family, $style);
                }
            } 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));
        }
    }

    public 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 && isset($this->CurrentFont)) {
            $this->_out(sprintf('BT /F%d %.2F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
        }
    }

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

        return $n;
    }

    public 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] = [$page, $y];
    }

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

    public function Text($x, $y, $txt)
    {
        // Output a string
        if (! isset($this->CurrentFont)) {
            $this->Error('No font has been set');
        }
        $txt = (string) $txt;
        $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);
    }

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

    public 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->CurPageSize, $this->CurRotation);
            $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);
            }
        }
        $txt = (string) $txt;
        if ($txt !== '') {
            if (! isset($this->CurrentFont)) {
                $this->Error('No font has been set');
            }
            if ($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.' ';
            }
            $s .= sprintf('BT %.2F %.2F Td (%s) Tj ET', ($this->x + $dx) * $k, ($this->h - ($this->y + .5 * $h + .3 * $this->FontSize)) * $k, $this->_escape($txt));
            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;
        }
    }

    public function MultiCell($w, $h, $txt, $border = 0, $align = 'J', $fill = false)
    {
        // Output text with automatic or explicit line breaks
        if (! isset($this->CurrentFont)) {
            $this->Error('No font has been set');
        }
        $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", '', (string) $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;
    }

    public function Write($h, $txt, $link = '')
    {
        // Output text in flowing mode
        if (! isset($this->CurrentFont)) {
            $this->Error('No font has been set');
        }
        $cw = $this->CurrentFont['cw'];
        $w = $this->w - $this->rMargin - $this->x;
        $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
        $s = str_replace("\r", '', (string) $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, '', false, $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, '', false, $link);
                } else {
                    $this->Cell($w, $h, substr($s, $j, $sep - $j), 0, 2, '', false, $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, '', false, $link);
        }
    }

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

    public function Image($file, $x = null, $y = null, $w = 0, $h = 0, $type = '', $link = '')
    {
        // Put an image on the page
        if ($file == '') {
            $this->Error('Image file name is empty');
        }
        if (! isset($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 96 dpi
            $w = -96;
            $h = -96;
        }
        if ($w < 0) {
            $w = -$info['w'] * 72 / $w / $this->k;
        }
        if ($h < 0) {
            $h = -$info['h'] * 72 / $h / $this->k;
        }
        if ($w == 0) {
            $w = $h * $info['w'] / $info['h'];
        }
        if ($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->CurPageSize, $this->CurRotation);
                $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);
        }
    }

    public function GetPageWidth()
    {
        // Get current page width
        return $this->w;
    }

    public function GetPageHeight()
    {
        // Get current page height
        return $this->h;
    }

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

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

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

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

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

    public function Output($dest = '', $name = '', $isUTF8 = false)
    {
        // Output PDF to some destination
        $this->Close();
        if (strlen($name) == 1 && strlen($dest) != 1) {
            // Fix parameter order
            $tmp = $dest;
            $dest = $name;
            $name = $tmp;
        }
        if ($dest == '') {
            $dest = 'I';
        }
        if ($name == '') {
            $name = 'doc.pdf';
        }
        switch (strtoupper($dest)) {
            case 'I':
                // Send to standard output
                $this->_checkoutput();
                if (PHP_SAPI != 'cli') {
                    // We send to a browser
                    header('Content-Type: application/pdf');
                    header('Content-Disposition: inline; '.$this->_httpencode('filename', $name, $isUTF8));
                    header('Cache-Control: private, max-age=0, must-revalidate');
                    header('Pragma: public');
                }
                echo $this->buffer;
                break;
            case 'D':
                // Download file
                $this->_checkoutput();
                header('Content-Type: application/pdf');
                header('Content-Disposition: attachment; '.$this->_httpencode('filename', $name, $isUTF8));
                header('Cache-Control: private, max-age=0, must-revalidate');
                header('Pragma: public');
                echo $this->buffer;
                break;
            case 'F':
                // Save to local file
                if (! file_put_contents($name, $this->buffer)) {
                    $this->Error('Unable to create output file: '.$name);
                }
                break;
            case 'S':
                // Return as a string
                return $this->buffer;
            default:
                $this->Error('Incorrect output destination: '.$dest);
        }

        return '';
    }

    /*******************************************************************************
     *                              Protected methods                               *
     *******************************************************************************/

    protected function _checkoutput()
    {
        if (PHP_SAPI != 'cli') {
            if (headers_sent($file, $line)) {
                $this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)");
            }
        }
        if (ob_get_length()) {
            // The output buffer is not empty
            if (preg_match('/^(\xEF\xBB\xBF)?\s*$/', ob_get_contents())) {
                // It contains only a UTF-8 BOM and/or whitespace, let's clean it
                ob_clean();
            } else {
                $this->Error("Some data has already been output, can't send PDF file");
            }
        }
    }

    protected function _getpagesize($size)
    {
        if (is_string($size)) {
            $size = strtolower($size);
            if (! isset($this->StdPageSizes[$size])) {
                $this->Error('Unknown page size: '.$size);
            }
            $a = $this->StdPageSizes[$size];

            return [$a[0] / $this->k, $a[1] / $this->k];
        } else {
            if ($size[0] > $size[1]) {
                return [$size[1], $size[0]];
            } else {
                return $size;
            }
        }
    }

    protected function _beginpage($orientation, $size, $rotation)
    {
        $this->page++;
        $this->pages[$this->page] = '';
        $this->PageLinks[$this->page] = [];
        $this->state = 2;
        $this->x = $this->lMargin;
        $this->y = $this->tMargin;
        $this->FontFamily = '';
        // Check page size and orientation
        if ($orientation == '') {
            $orientation = $this->DefOrientation;
        } else {
            $orientation = strtoupper($orientation[0]);
        }
        if ($size == '') {
            $size = $this->DefPageSize;
        } else {
            $size = $this->_getpagesize($size);
        }
        if ($orientation != $this->CurOrientation || $size[0] != $this->CurPageSize[0] || $size[1] != $this->CurPageSize[1]) {
            // New size or orientation
            if ($orientation == 'P') {
                $this->w = $size[0];
                $this->h = $size[1];
            } else {
                $this->w = $size[1];
                $this->h = $size[0];
            }
            $this->wPt = $this->w * $this->k;
            $this->hPt = $this->h * $this->k;
            $this->PageBreakTrigger = $this->h - $this->bMargin;
            $this->CurOrientation = $orientation;
            $this->CurPageSize = $size;
        }
        if ($orientation != $this->DefOrientation || $size[0] != $this->DefPageSize[0] || $size[1] != $this->DefPageSize[1]) {
            $this->PageInfo[$this->page]['size'] = [$this->wPt, $this->hPt];
        }
        if ($rotation != 0) {
            if ($rotation % 90 != 0) {
                $this->Error('Incorrect rotation value: '.$rotation);
            }
            $this->PageInfo[$this->page]['rotation'] = $rotation;
        }
        $this->CurRotation = $rotation;
    }

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

    protected function _loadfont($path)
    {
        // Load a font definition file
        include $path;
        if (! isset($name)) {
            $this->Error('Could not include font definition file: '.$path);
        }
        if (isset($enc)) {
            $enc = strtolower($enc);
        }
        if (! isset($subsetted)) {
            $subsetted = false;
        }

        return get_defined_vars();
    }

    protected function _isascii($s)
    {
        // Test if string is ASCII
        $nb = strlen($s);
        for ($i = 0; $i < $nb; $i++) {
            if (ord($s[$i]) > 127) {
                return false;
            }
        }

        return true;
    }

    protected function _httpencode($param, $value, $isUTF8)
    {
        // Encode HTTP header field parameter
        if ($this->_isascii($value)) {
            return $param.'="'.$value.'"';
        }
        if (! $isUTF8) {
            $value = $this->_UTF8encode($value);
        }

        return $param."*=UTF-8''".rawurlencode($value);
    }

    protected function _UTF8encode($s)
    {
        // Convert ISO-8859-1 to UTF-8
        if ($this->iconv) {
            return iconv('ISO-8859-1', 'UTF-8', $s);
        }
        $res = '';
        $nb = strlen($s);
        for ($i = 0; $i < $nb; $i++) {
            $c = $s[$i];
            $v = ord($c);
            if ($v >= 128) {
                $res .= chr(0xC0 | ($v >> 6));
                $res .= chr(0x80 | ($v & 0x3F));
            } else {
                $res .= $c;
            }
        }

        return $res;
    }

    protected function _UTF8toUTF16($s)
    {
        // Convert UTF-8 to UTF-16BE with BOM
        $res = "\xFE\xFF";
        if ($this->iconv) {
            return $res.iconv('UTF-8', 'UTF-16BE', $s);
        }
        $nb = strlen($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;
    }

    protected function _escape($s)
    {
        // Escape special characters
        if (strpos($s, '(') !== false || strpos($s, ')') !== false || strpos($s, '\\') !== false || strpos($s, "\r") !== false) {
            return str_replace(['\\', '(', ')', "\r"], ['\\\\', '\\(', '\\)', '\\r'], $s);
        } else {
            return $s;
        }
    }

    protected function _textstring($s)
    {
        // Format a text string
        if (! $this->_isascii($s)) {
            $s = $this->_UTF8toUTF16($s);
        }

        return '('.$this->_escape($s).')';
    }

    protected 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);
    }

    protected 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;
        $data = file_get_contents($file);

        return ['w' => $a[0], 'h' => $a[1], 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'DCTDecode', 'data' => $data];
    }

    protected function _parsepng($file)
    {
        // Extract info from a PNG file
        $f = fopen($file, 'rb');
        if (! $f) {
            $this->Error('Can\'t open image file: '.$file);
        }
        $info = $this->_parsepngstream($f, $file);
        fclose($f);

        return $info;
    }

    protected function _parsepngstream($f, $file)
    {
        // Check signature
        if ($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 || $ct == 4) {
            $colspace = 'DeviceGray';
        } elseif ($ct == 2 || $ct == 6) {
            $colspace = 'DeviceRGB';
        } elseif ($ct == 3) {
            $colspace = 'Indexed';
        } else {
            $this->Error('Unknown color type: '.$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);
        $dp = '/Predictor 15 /Colors '.($colspace == 'DeviceRGB' ? 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) {
                    $trns = [ord(substr($t, 1, 1))];
                } elseif ($ct == 2) {
                    $trns = [ord(substr($t, 1, 1)), ord(substr($t, 3, 1)), ord(substr($t, 5, 1))];
                } else {
                    $pos = strpos($t, chr(0));
                    if ($pos !== false) {
                        $trns = [$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);
        }
        $info = ['w' => $w, 'h' => $h, 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'FlateDecode', 'dp' => $dp, 'pal' => $pal, 'trns' => $trns];
        if ($ct >= 4) {
            // Extract alpha channel
            if (! function_exists('gzuncompress')) {
                $this->Error('Zlib not available, can\'t handle alpha channel: '.$file);
            }
            $data = gzuncompress($data);
            $color = '';
            $alpha = '';
            if ($ct == 4) {
                // Gray image
                $len = 2 * $w;
                for ($i = 0; $i < $h; $i++) {
                    $pos = (1 + $len) * $i;
                    $color .= $data[$pos];
                    $alpha .= $data[$pos];
                    $line = substr($data, $pos + 1, $len);
                    $color .= preg_replace('/(.)./s', '$1', $line);
                    $alpha .= preg_replace('/.(.)/s', '$1', $line);
                }
            } else {
                // RGB image
                $len = 4 * $w;
                for ($i = 0; $i < $h; $i++) {
                    $pos = (1 + $len) * $i;
                    $color .= $data[$pos];
                    $alpha .= $data[$pos];
                    $line = substr($data, $pos + 1, $len);
                    $color .= preg_replace('/(.{3})./s', '$1', $line);
                    $alpha .= preg_replace('/.{3}(.)/s', '$1', $line);
                }
            }
            unset($data);
            $data = gzcompress($color);
            $info['smask'] = gzcompress($alpha);
            $this->WithAlpha = true;
            if ($this->PDFVersion < '1.4') {
                $this->PDFVersion = '1.4';
            }
        }
        $info['data'] = $data;

        return $info;
    }

    protected 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;
    }

    protected function _readint($f)
    {
        // Read a 4-byte integer from stream
        $a = unpack('Ni', $this->_readstream($f, 4));

        return $a['i'];
    }

    protected 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($im, 0);
        ob_start();
        imagepng($im);
        $data = ob_get_clean();
        imagedestroy($im);
        $f = fopen('php://temp', 'rb+');
        if (! $f) {
            $this->Error('Unable to create memory stream');
        }
        fwrite($f, $data);
        rewind($f);
        $info = $this->_parsepngstream($f, $file);
        fclose($f);

        return $info;
    }

    protected function _out($s)
    {
        // Add a line to the current page
        if ($this->state == 2) {
            $this->pages[$this->page] .= $s."\n";
        } elseif ($this->state == 0) {
            $this->Error('No page has been added yet');
        } elseif ($this->state == 1) {
            $this->Error('Invalid call');
        } elseif ($this->state == 3) {
            $this->Error('The document is closed');
        }
    }

    protected function _put($s)
    {
        // Add a line to the document
        $this->buffer .= $s."\n";
    }

    protected function _getoffset()
    {
        return strlen($this->buffer);
    }

    protected function _newobj($n = null)
    {
        // Begin a new object
        if ($n === null) {
            $n = ++$this->n;
        }
        $this->offsets[$n] = $this->_getoffset();
        $this->_put($n.' 0 obj');
    }

    protected function _putstream($data)
    {
        $this->_put('stream');
        $this->_put($data);
        $this->_put('endstream');
    }

    protected function _putstreamobject($data)
    {
        if ($this->compress) {
            $entries = '/Filter /FlateDecode ';
            $data = gzcompress($data);
        } else {
            $entries = '';
        }
        $entries .= '/Length '.strlen($data);
        $this->_newobj();
        $this->_put('<<'.$entries.'>>');
        $this->_putstream($data);
        $this->_put('endobj');
    }

    protected function _putlinks($n)
    {
        foreach ($this->PageLinks[$n] as $pl) {
            $this->_newobj();
            $rect = sprintf('%.2F %.2F %.2F %.2F', $pl[0], $pl[1], $pl[0] + $pl[2], $pl[1] - $pl[3]);
            $s = '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
            if (is_string($pl[4])) {
                $s .= '/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
            } else {
                $l = $this->links[$pl[4]];
                if (isset($this->PageInfo[$l[0]]['size'])) {
                    $h = $this->PageInfo[$l[0]]['size'][1];
                } else {
                    $h = ($this->DefOrientation == 'P') ? $this->DefPageSize[1] * $this->k : $this->DefPageSize[0] * $this->k;
                }
                $s .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>', $this->PageInfo[$l[0]]['n'], $h - $l[1] * $this->k);
            }
            $this->_put($s);
            $this->_put('endobj');
        }
    }

    protected function _putpage($n)
    {
        $this->_newobj();
        $this->_put('<</Type /Page');
        $this->_put('/Parent 1 0 R');
        if (isset($this->PageInfo[$n]['size'])) {
            $this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]', $this->PageInfo[$n]['size'][0], $this->PageInfo[$n]['size'][1]));
        }
        if (isset($this->PageInfo[$n]['rotation'])) {
            $this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);
        }
        $this->_put('/Resources 2 0 R');
        if (! empty($this->PageLinks[$n])) {
            $s = '/Annots [';
            foreach ($this->PageLinks[$n] as $pl) {
                $s .= $pl[5].' 0 R ';
            }
            $s .= ']';
            $this->_put($s);
        }
        if ($this->WithAlpha) {
            $this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');
        }
        $this->_put('/Contents '.($this->n + 1).' 0 R>>');
        $this->_put('endobj');
        // Page content
        if (! empty($this->AliasNbPages)) {
            $this->pages[$n] = str_replace($this->AliasNbPages, $this->page, $this->pages[$n]);
        }
        $this->_putstreamobject($this->pages[$n]);
        // Link annotations
        $this->_putlinks($n);
    }

    protected function _putpages()
    {
        $nb = $this->page;
        $n = $this->n;
        for ($i = 1; $i <= $nb; $i++) {
            $this->PageInfo[$i]['n'] = ++$n;
            $n++;
            foreach ($this->PageLinks[$i] as &$pl) {
                $pl[5] = ++$n;
            }
            unset($pl);
        }
        for ($i = 1; $i <= $nb; $i++) {
            $this->_putpage($i);
        }
        // Pages root
        $this->_newobj(1);
        $this->_put('<</Type /Pages');
        $kids = '/Kids [';
        for ($i = 1; $i <= $nb; $i++) {
            $kids .= $this->PageInfo[$i]['n'].' 0 R ';
        }
        $kids .= ']';
        $this->_put($kids);
        $this->_put('/Count '.$nb);
        if ($this->DefOrientation == 'P') {
            $w = $this->DefPageSize[0];
            $h = $this->DefPageSize[1];
        } else {
            $w = $this->DefPageSize[1];
            $h = $this->DefPageSize[0];
        }
        $this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]', $w * $this->k, $h * $this->k));
        $this->_put('>>');
        $this->_put('endobj');
    }

    protected function _putfonts()
    {
        foreach ($this->FontFiles as $file => $info) {
            // Font file embedding
            $this->_newobj();
            $this->FontFiles[$file]['n'] = $this->n;
            $font = file_get_contents($file);
            if (! $font) {
                $this->Error('Font file not found: '.$file);
            }
            $compressed = (substr($file, -2) == '.z');
            if (! $compressed && isset($info['length2'])) {
                $font = substr($font, 6, $info['length1']).substr($font, 6 + $info['length1'] + 6, $info['length2']);
            }
            $this->_put('<</Length '.strlen($font));
            if ($compressed) {
                $this->_put('/Filter /FlateDecode');
            }
            $this->_put('/Length1 '.$info['length1']);
            if (isset($info['length2'])) {
                $this->_put('/Length2 '.$info['length2'].' /Length3 0');
            }
            $this->_put('>>');
            $this->_putstream($font);
            $this->_put('endobj');
        }
        foreach ($this->fonts as $k => $font) {
            // Encoding
            if (isset($font['diff'])) {
                if (! isset($this->encodings[$font['enc']])) {
                    $this->_newobj();
                    $this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');
                    $this->_put('endobj');
                    $this->encodings[$font['enc']] = $this->n;
                }
            }
            // ToUnicode CMap
            if (isset($font['uv'])) {
                if (isset($font['enc'])) {
                    $cmapkey = $font['enc'];
                } else {
                    $cmapkey = $font['name'];
                }
                if (! isset($this->cmaps[$cmapkey])) {
                    $cmap = $this->_tounicodecmap($font['uv']);
                    $this->_putstreamobject($cmap);
                    $this->cmaps[$cmapkey] = $this->n;
                }
            }
            // Font object
            $this->fonts[$k]['n'] = $this->n + 1;
            $type = $font['type'];
            $name = $font['name'];
            if ($font['subsetted']) {
                $name = 'AAAAAA+'.$name;
            }
            if ($type == 'Core') {
                // Core font
                $this->_newobj();
                $this->_put('<</Type /Font');
                $this->_put('/BaseFont /'.$name);
                $this->_put('/Subtype /Type1');
                if ($name != 'Symbol' && $name != 'ZapfDingbats') {
                    $this->_put('/Encoding /WinAnsiEncoding');
                }
                if (isset($font['uv'])) {
                    $this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
                }
                $this->_put('>>');
                $this->_put('endobj');
            } elseif ($type == 'Type1' || $type == 'TrueType') {
                // Additional Type1 or TrueType/OpenType font
                $this->_newobj();
                $this->_put('<</Type /Font');
                $this->_put('/BaseFont /'.$name);
                $this->_put('/Subtype /'.$type);
                $this->_put('/FirstChar 32 /LastChar 255');
                $this->_put('/Widths '.($this->n + 1).' 0 R');
                $this->_put('/FontDescriptor '.($this->n + 2).' 0 R');
                if (isset($font['diff'])) {
                    $this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');
                } else {
                    $this->_put('/Encoding /WinAnsiEncoding');
                }
                if (isset($font['uv'])) {
                    $this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
                }
                $this->_put('>>');
                $this->_put('endobj');
                // Widths
                $this->_newobj();
                $cw = $font['cw'];
                $s = '[';
                for ($i = 32; $i <= 255; $i++) {
                    $s .= $cw[chr($i)].' ';
                }
                $this->_put($s.']');
                $this->_put('endobj');
                // Descriptor
                $this->_newobj();
                $s = '<</Type /FontDescriptor /FontName /'.$name;
                foreach ($font['desc'] as $k => $v) {
                    $s .= ' /'.$k.' '.$v;
                }
                if (! empty($font['file'])) {
                    $s .= ' /FontFile'.($type == 'Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';
                }
                $this->_put($s.'>>');
                $this->_put('endobj');
            } else {
                // Allow for additional types
                $mtd = '_put'.strtolower($type);
                if (! method_exists($this, $mtd)) {
                    $this->Error('Unsupported font type: '.$type);
                }
                $this->$mtd($font);
            }
        }
    }

    protected function _tounicodecmap($uv)
    {
        $ranges = '';
        $nbr = 0;
        $chars = '';
        $nbc = 0;
        foreach ($uv as $c => $v) {
            if (is_array($v)) {
                $ranges .= sprintf("<%02X> <%02X> <%04X>\n", $c, $c + $v[1] - 1, $v[0]);
                $nbr++;
            } else {
                $chars .= sprintf("<%02X> <%04X>\n", $c, $v);
                $nbc++;
            }
        }
        $s = "/CIDInit /ProcSet findresource begin\n";
        $s .= "12 dict begin\n";
        $s .= "begincmap\n";
        $s .= "/CIDSystemInfo\n";
        $s .= "<</Registry (Adobe)\n";
        $s .= "/Ordering (UCS)\n";
        $s .= "/Supplement 0\n";
        $s .= ">> def\n";
        $s .= "/CMapName /Adobe-Identity-UCS def\n";
        $s .= "/CMapType 2 def\n";
        $s .= "1 begincodespacerange\n";
        $s .= "<00> <FF>\n";
        $s .= "endcodespacerange\n";
        if ($nbr > 0) {
            $s .= "$nbr beginbfrange\n";
            $s .= $ranges;
            $s .= "endbfrange\n";
        }
        if ($nbc > 0) {
            $s .= "$nbc beginbfchar\n";
            $s .= $chars;
            $s .= "endbfchar\n";
        }
        $s .= "endcmap\n";
        $s .= "CMapName currentdict /CMap defineresource pop\n";
        $s .= "end\n";
        $s .= 'end';

        return $s;
    }

    protected function _putimages()
    {
        foreach (array_keys($this->images) as $file) {
            $this->_putimage($this->images[$file]);
            unset($this->images[$file]['data']);
            unset($this->images[$file]['smask']);
        }
    }

    protected function _putimage(&$info)
    {
        $this->_newobj();
        $info['n'] = $this->n;
        $this->_put('<</Type /XObject');
        $this->_put('/Subtype /Image');
        $this->_put('/Width '.$info['w']);
        $this->_put('/Height '.$info['h']);
        if ($info['cs'] == 'Indexed') {
            $this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal']) / 3 - 1).' '.($this->n + 1).' 0 R]');
        } else {
            $this->_put('/ColorSpace /'.$info['cs']);
            if ($info['cs'] == 'DeviceCMYK') {
                $this->_put('/Decode [1 0 1 0 1 0 1 0]');
            }
        }
        $this->_put('/BitsPerComponent '.$info['bpc']);
        if (isset($info['f'])) {
            $this->_put('/Filter /'.$info['f']);
        }
        if (isset($info['dp'])) {
            $this->_put('/DecodeParms <<'.$info['dp'].'>>');
        }
        if (isset($info['trns']) && is_array($info['trns'])) {
            $trns = '';
            for ($i = 0; $i < count($info['trns']); $i++) {
                $trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';
            }
            $this->_put('/Mask ['.$trns.']');
        }
        if (isset($info['smask'])) {
            $this->_put('/SMask '.($this->n + 1).' 0 R');
        }
        $this->_put('/Length '.strlen($info['data']).'>>');
        $this->_putstream($info['data']);
        $this->_put('endobj');
        // Soft mask
        if (isset($info['smask'])) {
            $dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];
            $smask = ['w' => $info['w'], 'h' => $info['h'], 'cs' => 'DeviceGray', 'bpc' => 8, 'f' => $info['f'], 'dp' => $dp, 'data' => $info['smask']];
            $this->_putimage($smask);
        }
        // Palette
        if ($info['cs'] == 'Indexed') {
            $this->_putstreamobject($info['pal']);
        }
    }

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

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

    protected function _putresources()
    {
        $this->_putfonts();
        $this->_putimages();
        // Resource dictionary
        $this->_newobj(2);
        $this->_put('<<');
        $this->_putresourcedict();
        $this->_put('>>');
        $this->_put('endobj');
    }

    protected function _putinfo()
    {
        $date = @date('YmdHisO', $this->CreationDate);
        $this->metadata['CreationDate'] = 'D:'.substr($date, 0, -2)."'".substr($date, -2)."'";
        foreach ($this->metadata as $key => $value) {
            $this->_put('/'.$key.' '.$this->_textstring($value));
        }
    }

    protected function _putcatalog()
    {
        $n = $this->PageInfo[1]['n'];
        $this->_put('/Type /Catalog');
        $this->_put('/Pages 1 0 R');
        if ($this->ZoomMode == 'fullpage') {
            $this->_put('/OpenAction ['.$n.' 0 R /Fit]');
        } elseif ($this->ZoomMode == 'fullwidth') {
            $this->_put('/OpenAction ['.$n.' 0 R /FitH null]');
        } elseif ($this->ZoomMode == 'real') {
            $this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');
        } elseif (! is_string($this->ZoomMode)) {
            $this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F', $this->ZoomMode / 100).']');
        }
        if ($this->LayoutMode == 'single') {
            $this->_put('/PageLayout /SinglePage');
        } elseif ($this->LayoutMode == 'continuous') {
            $this->_put('/PageLayout /OneColumn');
        } elseif ($this->LayoutMode == 'two') {
            $this->_put('/PageLayout /TwoColumnLeft');
        }
    }

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

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

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