COSC4606-Assignment-02

Database front end that allows for CRUD operations and user management
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fpdf.php (50202B)


      1 <?php
      2 /*******************************************************************************
      3 * FPDF                                                                         *
      4 *                                                                              *
      5 * Version: 1.84                                                                *
      6 * Date:    2021-08-28                                                          *
      7 * Author:  Olivier PLATHEY                                                     *
      8 *******************************************************************************/
      9 
     10 define('FPDF_VERSION','1.84');
     11 
     12 class FPDF
     13 {
     14 protected $page;               // current page number
     15 protected $n;                  // current object number
     16 protected $offsets;            // array of object offsets
     17 protected $buffer;             // buffer holding in-memory PDF
     18 protected $pages;              // array containing pages
     19 protected $state;              // current document state
     20 protected $compress;           // compression flag
     21 protected $k;                  // scale factor (number of points in user unit)
     22 protected $DefOrientation;     // default orientation
     23 protected $CurOrientation;     // current orientation
     24 protected $StdPageSizes;       // standard page sizes
     25 protected $DefPageSize;        // default page size
     26 protected $CurPageSize;        // current page size
     27 protected $CurRotation;        // current page rotation
     28 protected $PageInfo;           // page-related data
     29 protected $wPt, $hPt;          // dimensions of current page in points
     30 protected $w, $h;              // dimensions of current page in user unit
     31 protected $lMargin;            // left margin
     32 protected $tMargin;            // top margin
     33 protected $rMargin;            // right margin
     34 protected $bMargin;            // page break margin
     35 protected $cMargin;            // cell margin
     36 protected $x, $y;              // current position in user unit
     37 protected $lasth;              // height of last printed cell
     38 protected $LineWidth;          // line width in user unit
     39 protected $fontpath;           // path containing fonts
     40 protected $CoreFonts;          // array of core font names
     41 protected $fonts;              // array of used fonts
     42 protected $FontFiles;          // array of font files
     43 protected $encodings;          // array of encodings
     44 protected $cmaps;              // array of ToUnicode CMaps
     45 protected $FontFamily;         // current font family
     46 protected $FontStyle;          // current font style
     47 protected $underline;          // underlining flag
     48 protected $CurrentFont;        // current font info
     49 protected $FontSizePt;         // current font size in points
     50 protected $FontSize;           // current font size in user unit
     51 protected $DrawColor;          // commands for drawing color
     52 protected $FillColor;          // commands for filling color
     53 protected $TextColor;          // commands for text color
     54 protected $ColorFlag;          // indicates whether fill and text colors are different
     55 protected $WithAlpha;          // indicates whether alpha channel is used
     56 protected $ws;                 // word spacing
     57 protected $images;             // array of used images
     58 protected $PageLinks;          // array of links in pages
     59 protected $links;              // array of internal links
     60 protected $AutoPageBreak;      // automatic page breaking
     61 protected $PageBreakTrigger;   // threshold used to trigger page breaks
     62 protected $InHeader;           // flag set when processing header
     63 protected $InFooter;           // flag set when processing footer
     64 protected $AliasNbPages;       // alias for total number of pages
     65 protected $ZoomMode;           // zoom display mode
     66 protected $LayoutMode;         // layout display mode
     67 protected $metadata;           // document properties
     68 protected $PDFVersion;         // PDF version number
     69 
     70 /*******************************************************************************
     71 *                               Public methods                                 *
     72 *******************************************************************************/
     73 
     74 function __construct($orientation='P', $unit='mm', $size='A4')
     75 {
     76 	// Some checks
     77 	$this->_dochecks();
     78 	// Initialization of properties
     79 	$this->state = 0;
     80 	$this->page = 0;
     81 	$this->n = 2;
     82 	$this->buffer = '';
     83 	$this->pages = array();
     84 	$this->PageInfo = array();
     85 	$this->fonts = array();
     86 	$this->FontFiles = array();
     87 	$this->encodings = array();
     88 	$this->cmaps = array();
     89 	$this->images = array();
     90 	$this->links = array();
     91 	$this->InHeader = false;
     92 	$this->InFooter = false;
     93 	$this->lasth = 0;
     94 	$this->FontFamily = '';
     95 	$this->FontStyle = '';
     96 	$this->FontSizePt = 12;
     97 	$this->underline = false;
     98 	$this->DrawColor = '0 G';
     99 	$this->FillColor = '0 g';
    100 	$this->TextColor = '0 g';
    101 	$this->ColorFlag = false;
    102 	$this->WithAlpha = false;
    103 	$this->ws = 0;
    104 	// Font path
    105 	if(defined('FPDF_FONTPATH'))
    106 	{
    107 		$this->fontpath = FPDF_FONTPATH;
    108 		if(substr($this->fontpath,-1)!='/' && substr($this->fontpath,-1)!='\\')
    109 			$this->fontpath .= '/';
    110 	}
    111 	elseif(is_dir(dirname(__FILE__).'/font'))
    112 		$this->fontpath = dirname(__FILE__).'/font/';
    113 	else
    114 		$this->fontpath = '';
    115 	// Core fonts
    116 	$this->CoreFonts = array('courier', 'helvetica', 'times', 'symbol', 'zapfdingbats');
    117 	// Scale factor
    118 	if($unit=='pt')
    119 		$this->k = 1;
    120 	elseif($unit=='mm')
    121 		$this->k = 72/25.4;
    122 	elseif($unit=='cm')
    123 		$this->k = 72/2.54;
    124 	elseif($unit=='in')
    125 		$this->k = 72;
    126 	else
    127 		$this->Error('Incorrect unit: '.$unit);
    128 	// Page sizes
    129 	$this->StdPageSizes = array('a3'=>array(841.89,1190.55), 'a4'=>array(595.28,841.89), 'a5'=>array(420.94,595.28),
    130 		'letter'=>array(612,792), 'legal'=>array(612,1008));
    131 	$size = $this->_getpagesize($size);
    132 	$this->DefPageSize = $size;
    133 	$this->CurPageSize = $size;
    134 	// Page orientation
    135 	$orientation = strtolower($orientation);
    136 	if($orientation=='p' || $orientation=='portrait')
    137 	{
    138 		$this->DefOrientation = 'P';
    139 		$this->w = $size[0];
    140 		$this->h = $size[1];
    141 	}
    142 	elseif($orientation=='l' || $orientation=='landscape')
    143 	{
    144 		$this->DefOrientation = 'L';
    145 		$this->w = $size[1];
    146 		$this->h = $size[0];
    147 	}
    148 	else
    149 		$this->Error('Incorrect orientation: '.$orientation);
    150 	$this->CurOrientation = $this->DefOrientation;
    151 	$this->wPt = $this->w*$this->k;
    152 	$this->hPt = $this->h*$this->k;
    153 	// Page rotation
    154 	$this->CurRotation = 0;
    155 	// Page margins (1 cm)
    156 	$margin = 28.35/$this->k;
    157 	$this->SetMargins($margin,$margin);
    158 	// Interior cell margin (1 mm)
    159 	$this->cMargin = $margin/10;
    160 	// Line width (0.2 mm)
    161 	$this->LineWidth = .567/$this->k;
    162 	// Automatic page break
    163 	$this->SetAutoPageBreak(true,2*$margin);
    164 	// Default display mode
    165 	$this->SetDisplayMode('default');
    166 	// Enable compression
    167 	$this->SetCompression(true);
    168 	// Set default PDF version number
    169 	$this->PDFVersion = '1.3';
    170 }
    171 
    172 function SetMargins($left, $top, $right=null)
    173 {
    174 	// Set left, top and right margins
    175 	$this->lMargin = $left;
    176 	$this->tMargin = $top;
    177 	if($right===null)
    178 		$right = $left;
    179 	$this->rMargin = $right;
    180 }
    181 
    182 function SetLeftMargin($margin)
    183 {
    184 	// Set left margin
    185 	$this->lMargin = $margin;
    186 	if($this->page>0 && $this->x<$margin)
    187 		$this->x = $margin;
    188 }
    189 
    190 function SetTopMargin($margin)
    191 {
    192 	// Set top margin
    193 	$this->tMargin = $margin;
    194 }
    195 
    196 function SetRightMargin($margin)
    197 {
    198 	// Set right margin
    199 	$this->rMargin = $margin;
    200 }
    201 
    202 function SetAutoPageBreak($auto, $margin=0)
    203 {
    204 	// Set auto page break mode and triggering margin
    205 	$this->AutoPageBreak = $auto;
    206 	$this->bMargin = $margin;
    207 	$this->PageBreakTrigger = $this->h-$margin;
    208 }
    209 
    210 function SetDisplayMode($zoom, $layout='default')
    211 {
    212 	// Set display mode in viewer
    213 	if($zoom=='fullpage' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
    214 		$this->ZoomMode = $zoom;
    215 	else
    216 		$this->Error('Incorrect zoom display mode: '.$zoom);
    217 	if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
    218 		$this->LayoutMode = $layout;
    219 	else
    220 		$this->Error('Incorrect layout display mode: '.$layout);
    221 }
    222 
    223 function SetCompression($compress)
    224 {
    225 	// Set page compression
    226 	if(function_exists('gzcompress'))
    227 		$this->compress = $compress;
    228 	else
    229 		$this->compress = false;
    230 }
    231 
    232 function SetTitle($title, $isUTF8=false)
    233 {
    234 	// Title of document
    235 	$this->metadata['Title'] = $isUTF8 ? $title : utf8_encode($title);
    236 }
    237 
    238 function SetAuthor($author, $isUTF8=false)
    239 {
    240 	// Author of document
    241 	$this->metadata['Author'] = $isUTF8 ? $author : utf8_encode($author);
    242 }
    243 
    244 function SetSubject($subject, $isUTF8=false)
    245 {
    246 	// Subject of document
    247 	$this->metadata['Subject'] = $isUTF8 ? $subject : utf8_encode($subject);
    248 }
    249 
    250 function SetKeywords($keywords, $isUTF8=false)
    251 {
    252 	// Keywords of document
    253 	$this->metadata['Keywords'] = $isUTF8 ? $keywords : utf8_encode($keywords);
    254 }
    255 
    256 function SetCreator($creator, $isUTF8=false)
    257 {
    258 	// Creator of document
    259 	$this->metadata['Creator'] = $isUTF8 ? $creator : utf8_encode($creator);
    260 }
    261 
    262 function AliasNbPages($alias='{nb}')
    263 {
    264 	// Define an alias for total number of pages
    265 	$this->AliasNbPages = $alias;
    266 }
    267 
    268 function Error($msg)
    269 {
    270 	// Fatal error
    271 	throw new Exception('FPDF error: '.$msg);
    272 }
    273 
    274 function Close()
    275 {
    276 	// Terminate document
    277 	if($this->state==3)
    278 		return;
    279 	if($this->page==0)
    280 		$this->AddPage();
    281 	// Page footer
    282 	$this->InFooter = true;
    283 	$this->Footer();
    284 	$this->InFooter = false;
    285 	// Close page
    286 	$this->_endpage();
    287 	// Close document
    288 	$this->_enddoc();
    289 }
    290 
    291 function AddPage($orientation='', $size='', $rotation=0)
    292 {
    293 	// Start a new page
    294 	if($this->state==3)
    295 		$this->Error('The document is closed');
    296 	$family = $this->FontFamily;
    297 	$style = $this->FontStyle.($this->underline ? 'U' : '');
    298 	$fontsize = $this->FontSizePt;
    299 	$lw = $this->LineWidth;
    300 	$dc = $this->DrawColor;
    301 	$fc = $this->FillColor;
    302 	$tc = $this->TextColor;
    303 	$cf = $this->ColorFlag;
    304 	if($this->page>0)
    305 	{
    306 		// Page footer
    307 		$this->InFooter = true;
    308 		$this->Footer();
    309 		$this->InFooter = false;
    310 		// Close page
    311 		$this->_endpage();
    312 	}
    313 	// Start new page
    314 	$this->_beginpage($orientation,$size,$rotation);
    315 	// Set line cap style to square
    316 	$this->_out('2 J');
    317 	// Set line width
    318 	$this->LineWidth = $lw;
    319 	$this->_out(sprintf('%.2F w',$lw*$this->k));
    320 	// Set font
    321 	if($family)
    322 		$this->SetFont($family,$style,$fontsize);
    323 	// Set colors
    324 	$this->DrawColor = $dc;
    325 	if($dc!='0 G')
    326 		$this->_out($dc);
    327 	$this->FillColor = $fc;
    328 	if($fc!='0 g')
    329 		$this->_out($fc);
    330 	$this->TextColor = $tc;
    331 	$this->ColorFlag = $cf;
    332 	// Page header
    333 	$this->InHeader = true;
    334 	$this->Header();
    335 	$this->InHeader = false;
    336 	// Restore line width
    337 	if($this->LineWidth!=$lw)
    338 	{
    339 		$this->LineWidth = $lw;
    340 		$this->_out(sprintf('%.2F w',$lw*$this->k));
    341 	}
    342 	// Restore font
    343 	if($family)
    344 		$this->SetFont($family,$style,$fontsize);
    345 	// Restore colors
    346 	if($this->DrawColor!=$dc)
    347 	{
    348 		$this->DrawColor = $dc;
    349 		$this->_out($dc);
    350 	}
    351 	if($this->FillColor!=$fc)
    352 	{
    353 		$this->FillColor = $fc;
    354 		$this->_out($fc);
    355 	}
    356 	$this->TextColor = $tc;
    357 	$this->ColorFlag = $cf;
    358 }
    359 
    360 function Header()
    361 {
    362 	// To be implemented in your own inherited class
    363 }
    364 
    365 function Footer()
    366 {
    367 	// To be implemented in your own inherited class
    368 }
    369 
    370 function PageNo()
    371 {
    372 	// Get current page number
    373 	return $this->page;
    374 }
    375 
    376 function SetDrawColor($r, $g=null, $b=null)
    377 {
    378 	// Set color for all stroking operations
    379 	if(($r==0 && $g==0 && $b==0) || $g===null)
    380 		$this->DrawColor = sprintf('%.3F G',$r/255);
    381 	else
    382 		$this->DrawColor = sprintf('%.3F %.3F %.3F RG',$r/255,$g/255,$b/255);
    383 	if($this->page>0)
    384 		$this->_out($this->DrawColor);
    385 }
    386 
    387 function SetFillColor($r, $g=null, $b=null)
    388 {
    389 	// Set color for all filling operations
    390 	if(($r==0 && $g==0 && $b==0) || $g===null)
    391 		$this->FillColor = sprintf('%.3F g',$r/255);
    392 	else
    393 		$this->FillColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
    394 	$this->ColorFlag = ($this->FillColor!=$this->TextColor);
    395 	if($this->page>0)
    396 		$this->_out($this->FillColor);
    397 }
    398 
    399 function SetTextColor($r, $g=null, $b=null)
    400 {
    401 	// Set color for text
    402 	if(($r==0 && $g==0 && $b==0) || $g===null)
    403 		$this->TextColor = sprintf('%.3F g',$r/255);
    404 	else
    405 		$this->TextColor = sprintf('%.3F %.3F %.3F rg',$r/255,$g/255,$b/255);
    406 	$this->ColorFlag = ($this->FillColor!=$this->TextColor);
    407 }
    408 
    409 function GetStringWidth($s)
    410 {
    411 	// Get width of a string in the current font
    412 	$s = (string)$s;
    413 	$cw = &$this->CurrentFont['cw'];
    414 	$w = 0;
    415 	$l = strlen($s);
    416 	for($i=0;$i<$l;$i++)
    417 		$w += $cw[$s[$i]];
    418 	return $w*$this->FontSize/1000;
    419 }
    420 
    421 function SetLineWidth($width)
    422 {
    423 	// Set line width
    424 	$this->LineWidth = $width;
    425 	if($this->page>0)
    426 		$this->_out(sprintf('%.2F w',$width*$this->k));
    427 }
    428 
    429 function Line($x1, $y1, $x2, $y2)
    430 {
    431 	// Draw a line
    432 	$this->_out(sprintf('%.2F %.2F m %.2F %.2F l S',$x1*$this->k,($this->h-$y1)*$this->k,$x2*$this->k,($this->h-$y2)*$this->k));
    433 }
    434 
    435 function Rect($x, $y, $w, $h, $style='')
    436 {
    437 	// Draw a rectangle
    438 	if($style=='F')
    439 		$op = 'f';
    440 	elseif($style=='FD' || $style=='DF')
    441 		$op = 'B';
    442 	else
    443 		$op = 'S';
    444 	$this->_out(sprintf('%.2F %.2F %.2F %.2F re %s',$x*$this->k,($this->h-$y)*$this->k,$w*$this->k,-$h*$this->k,$op));
    445 }
    446 
    447 function AddFont($family, $style='', $file='')
    448 {
    449 	// Add a TrueType, OpenType or Type1 font
    450 	$family = strtolower($family);
    451 	if($file=='')
    452 		$file = str_replace(' ','',$family).strtolower($style).'.php';
    453 	$style = strtoupper($style);
    454 	if($style=='IB')
    455 		$style = 'BI';
    456 	$fontkey = $family.$style;
    457 	if(isset($this->fonts[$fontkey]))
    458 		return;
    459 	$info = $this->_loadfont($file);
    460 	$info['i'] = count($this->fonts)+1;
    461 	if(!empty($info['file']))
    462 	{
    463 		// Embedded font
    464 		if($info['type']=='TrueType')
    465 			$this->FontFiles[$info['file']] = array('length1'=>$info['originalsize']);
    466 		else
    467 			$this->FontFiles[$info['file']] = array('length1'=>$info['size1'], 'length2'=>$info['size2']);
    468 	}
    469 	$this->fonts[$fontkey] = $info;
    470 }
    471 
    472 function SetFont($family, $style='', $size=0)
    473 {
    474 	// Select a font; size given in points
    475 	if($family=='')
    476 		$family = $this->FontFamily;
    477 	else
    478 		$family = strtolower($family);
    479 	$style = strtoupper($style);
    480 	if(strpos($style,'U')!==false)
    481 	{
    482 		$this->underline = true;
    483 		$style = str_replace('U','',$style);
    484 	}
    485 	else
    486 		$this->underline = false;
    487 	if($style=='IB')
    488 		$style = 'BI';
    489 	if($size==0)
    490 		$size = $this->FontSizePt;
    491 	// Test if font is already selected
    492 	if($this->FontFamily==$family && $this->FontStyle==$style && $this->FontSizePt==$size)
    493 		return;
    494 	// Test if font is already loaded
    495 	$fontkey = $family.$style;
    496 	if(!isset($this->fonts[$fontkey]))
    497 	{
    498 		// Test if one of the core fonts
    499 		if($family=='arial')
    500 			$family = 'helvetica';
    501 		if(in_array($family,$this->CoreFonts))
    502 		{
    503 			if($family=='symbol' || $family=='zapfdingbats')
    504 				$style = '';
    505 			$fontkey = $family.$style;
    506 			if(!isset($this->fonts[$fontkey]))
    507 				$this->AddFont($family,$style);
    508 		}
    509 		else
    510 			$this->Error('Undefined font: '.$family.' '.$style);
    511 	}
    512 	// Select it
    513 	$this->FontFamily = $family;
    514 	$this->FontStyle = $style;
    515 	$this->FontSizePt = $size;
    516 	$this->FontSize = $size/$this->k;
    517 	$this->CurrentFont = &$this->fonts[$fontkey];
    518 	if($this->page>0)
    519 		$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
    520 }
    521 
    522 function SetFontSize($size)
    523 {
    524 	// Set font size in points
    525 	if($this->FontSizePt==$size)
    526 		return;
    527 	$this->FontSizePt = $size;
    528 	$this->FontSize = $size/$this->k;
    529 	if($this->page>0)
    530 		$this->_out(sprintf('BT /F%d %.2F Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
    531 }
    532 
    533 function AddLink()
    534 {
    535 	// Create a new internal link
    536 	$n = count($this->links)+1;
    537 	$this->links[$n] = array(0, 0);
    538 	return $n;
    539 }
    540 
    541 function SetLink($link, $y=0, $page=-1)
    542 {
    543 	// Set destination of internal link
    544 	if($y==-1)
    545 		$y = $this->y;
    546 	if($page==-1)
    547 		$page = $this->page;
    548 	$this->links[$link] = array($page, $y);
    549 }
    550 
    551 function Link($x, $y, $w, $h, $link)
    552 {
    553 	// Put a link on the page
    554 	$this->PageLinks[$this->page][] = array($x*$this->k, $this->hPt-$y*$this->k, $w*$this->k, $h*$this->k, $link);
    555 }
    556 
    557 function Text($x, $y, $txt)
    558 {
    559 	// Output a string
    560 	if(!isset($this->CurrentFont))
    561 		$this->Error('No font has been set');
    562 	$s = sprintf('BT %.2F %.2F Td (%s) Tj ET',$x*$this->k,($this->h-$y)*$this->k,$this->_escape($txt));
    563 	if($this->underline && $txt!='')
    564 		$s .= ' '.$this->_dounderline($x,$y,$txt);
    565 	if($this->ColorFlag)
    566 		$s = 'q '.$this->TextColor.' '.$s.' Q';
    567 	$this->_out($s);
    568 }
    569 
    570 function AcceptPageBreak()
    571 {
    572 	// Accept automatic page break or not
    573 	return $this->AutoPageBreak;
    574 }
    575 
    576 function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='')
    577 {
    578 	// Output a cell
    579 	$k = $this->k;
    580 	if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())
    581 	{
    582 		// Automatic page break
    583 		$x = $this->x;
    584 		$ws = $this->ws;
    585 		if($ws>0)
    586 		{
    587 			$this->ws = 0;
    588 			$this->_out('0 Tw');
    589 		}
    590 		$this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);
    591 		$this->x = $x;
    592 		if($ws>0)
    593 		{
    594 			$this->ws = $ws;
    595 			$this->_out(sprintf('%.3F Tw',$ws*$k));
    596 		}
    597 	}
    598 	if($w==0)
    599 		$w = $this->w-$this->rMargin-$this->x;
    600 	$s = '';
    601 	if($fill || $border==1)
    602 	{
    603 		if($fill)
    604 			$op = ($border==1) ? 'B' : 'f';
    605 		else
    606 			$op = 'S';
    607 		$s = sprintf('%.2F %.2F %.2F %.2F re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op);
    608 	}
    609 	if(is_string($border))
    610 	{
    611 		$x = $this->x;
    612 		$y = $this->y;
    613 		if(strpos($border,'L')!==false)
    614 			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);
    615 		if(strpos($border,'T')!==false)
    616 			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);
    617 		if(strpos($border,'R')!==false)
    618 			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
    619 		if(strpos($border,'B')!==false)
    620 			$s .= sprintf('%.2F %.2F m %.2F %.2F l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
    621 	}
    622 	if($txt!=='')
    623 	{
    624 		if(!isset($this->CurrentFont))
    625 			$this->Error('No font has been set');
    626 		if($align=='R')
    627 			$dx = $w-$this->cMargin-$this->GetStringWidth($txt);
    628 		elseif($align=='C')
    629 			$dx = ($w-$this->GetStringWidth($txt))/2;
    630 		else
    631 			$dx = $this->cMargin;
    632 		if($this->ColorFlag)
    633 			$s .= 'q '.$this->TextColor.' ';
    634 		$s .= sprintf('BT %.2F %.2F Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$this->_escape($txt));
    635 		if($this->underline)
    636 			$s .= ' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);
    637 		if($this->ColorFlag)
    638 			$s .= ' Q';
    639 		if($link)
    640 			$this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link);
    641 	}
    642 	if($s)
    643 		$this->_out($s);
    644 	$this->lasth = $h;
    645 	if($ln>0)
    646 	{
    647 		// Go to next line
    648 		$this->y += $h;
    649 		if($ln==1)
    650 			$this->x = $this->lMargin;
    651 	}
    652 	else
    653 		$this->x += $w;
    654 }
    655 
    656 function MultiCell($w, $h, $txt, $border=0, $align='J', $fill=false)
    657 {
    658 	// Output text with automatic or explicit line breaks
    659 	if(!isset($this->CurrentFont))
    660 		$this->Error('No font has been set');
    661 	$cw = &$this->CurrentFont['cw'];
    662 	if($w==0)
    663 		$w = $this->w-$this->rMargin-$this->x;
    664 	$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
    665 	$s = str_replace("\r",'',$txt);
    666 	$nb = strlen($s);
    667 	if($nb>0 && $s[$nb-1]=="\n")
    668 		$nb--;
    669 	$b = 0;
    670 	if($border)
    671 	{
    672 		if($border==1)
    673 		{
    674 			$border = 'LTRB';
    675 			$b = 'LRT';
    676 			$b2 = 'LR';
    677 		}
    678 		else
    679 		{
    680 			$b2 = '';
    681 			if(strpos($border,'L')!==false)
    682 				$b2 .= 'L';
    683 			if(strpos($border,'R')!==false)
    684 				$b2 .= 'R';
    685 			$b = (strpos($border,'T')!==false) ? $b2.'T' : $b2;
    686 		}
    687 	}
    688 	$sep = -1;
    689 	$i = 0;
    690 	$j = 0;
    691 	$l = 0;
    692 	$ns = 0;
    693 	$nl = 1;
    694 	while($i<$nb)
    695 	{
    696 		// Get next character
    697 		$c = $s[$i];
    698 		if($c=="\n")
    699 		{
    700 			// Explicit line break
    701 			if($this->ws>0)
    702 			{
    703 				$this->ws = 0;
    704 				$this->_out('0 Tw');
    705 			}
    706 			$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
    707 			$i++;
    708 			$sep = -1;
    709 			$j = $i;
    710 			$l = 0;
    711 			$ns = 0;
    712 			$nl++;
    713 			if($border && $nl==2)
    714 				$b = $b2;
    715 			continue;
    716 		}
    717 		if($c==' ')
    718 		{
    719 			$sep = $i;
    720 			$ls = $l;
    721 			$ns++;
    722 		}
    723 		$l += $cw[$c];
    724 		if($l>$wmax)
    725 		{
    726 			// Automatic line break
    727 			if($sep==-1)
    728 			{
    729 				if($i==$j)
    730 					$i++;
    731 				if($this->ws>0)
    732 				{
    733 					$this->ws = 0;
    734 					$this->_out('0 Tw');
    735 				}
    736 				$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
    737 			}
    738 			else
    739 			{
    740 				if($align=='J')
    741 				{
    742 					$this->ws = ($ns>1) ? ($wmax-$ls)/1000*$this->FontSize/($ns-1) : 0;
    743 					$this->_out(sprintf('%.3F Tw',$this->ws*$this->k));
    744 				}
    745 				$this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill);
    746 				$i = $sep+1;
    747 			}
    748 			$sep = -1;
    749 			$j = $i;
    750 			$l = 0;
    751 			$ns = 0;
    752 			$nl++;
    753 			if($border && $nl==2)
    754 				$b = $b2;
    755 		}
    756 		else
    757 			$i++;
    758 	}
    759 	// Last chunk
    760 	if($this->ws>0)
    761 	{
    762 		$this->ws = 0;
    763 		$this->_out('0 Tw');
    764 	}
    765 	if($border && strpos($border,'B')!==false)
    766 		$b .= 'B';
    767 	$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
    768 	$this->x = $this->lMargin;
    769 }
    770 
    771 function Write($h, $txt, $link='')
    772 {
    773 	// Output text in flowing mode
    774 	if(!isset($this->CurrentFont))
    775 		$this->Error('No font has been set');
    776 	$cw = &$this->CurrentFont['cw'];
    777 	$w = $this->w-$this->rMargin-$this->x;
    778 	$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
    779 	$s = str_replace("\r",'',$txt);
    780 	$nb = strlen($s);
    781 	$sep = -1;
    782 	$i = 0;
    783 	$j = 0;
    784 	$l = 0;
    785 	$nl = 1;
    786 	while($i<$nb)
    787 	{
    788 		// Get next character
    789 		$c = $s[$i];
    790 		if($c=="\n")
    791 		{
    792 			// Explicit line break
    793 			$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);
    794 			$i++;
    795 			$sep = -1;
    796 			$j = $i;
    797 			$l = 0;
    798 			if($nl==1)
    799 			{
    800 				$this->x = $this->lMargin;
    801 				$w = $this->w-$this->rMargin-$this->x;
    802 				$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
    803 			}
    804 			$nl++;
    805 			continue;
    806 		}
    807 		if($c==' ')
    808 			$sep = $i;
    809 		$l += $cw[$c];
    810 		if($l>$wmax)
    811 		{
    812 			// Automatic line break
    813 			if($sep==-1)
    814 			{
    815 				if($this->x>$this->lMargin)
    816 				{
    817 					// Move to next line
    818 					$this->x = $this->lMargin;
    819 					$this->y += $h;
    820 					$w = $this->w-$this->rMargin-$this->x;
    821 					$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
    822 					$i++;
    823 					$nl++;
    824 					continue;
    825 				}
    826 				if($i==$j)
    827 					$i++;
    828 				$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',false,$link);
    829 			}
    830 			else
    831 			{
    832 				$this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',false,$link);
    833 				$i = $sep+1;
    834 			}
    835 			$sep = -1;
    836 			$j = $i;
    837 			$l = 0;
    838 			if($nl==1)
    839 			{
    840 				$this->x = $this->lMargin;
    841 				$w = $this->w-$this->rMargin-$this->x;
    842 				$wmax = ($w-2*$this->cMargin)*1000/$this->FontSize;
    843 			}
    844 			$nl++;
    845 		}
    846 		else
    847 			$i++;
    848 	}
    849 	// Last chunk
    850 	if($i!=$j)
    851 		$this->Cell($l/1000*$this->FontSize,$h,substr($s,$j),0,0,'',false,$link);
    852 }
    853 
    854 function Ln($h=null)
    855 {
    856 	// Line feed; default value is the last cell height
    857 	$this->x = $this->lMargin;
    858 	if($h===null)
    859 		$this->y += $this->lasth;
    860 	else
    861 		$this->y += $h;
    862 }
    863 
    864 function Image($file, $x=null, $y=null, $w=0, $h=0, $type='', $link='')
    865 {
    866 	// Put an image on the page
    867 	if($file=='')
    868 		$this->Error('Image file name is empty');
    869 	if(!isset($this->images[$file]))
    870 	{
    871 		// First use of this image, get info
    872 		if($type=='')
    873 		{
    874 			$pos = strrpos($file,'.');
    875 			if(!$pos)
    876 				$this->Error('Image file has no extension and no type was specified: '.$file);
    877 			$type = substr($file,$pos+1);
    878 		}
    879 		$type = strtolower($type);
    880 		if($type=='jpeg')
    881 			$type = 'jpg';
    882 		$mtd = '_parse'.$type;
    883 		if(!method_exists($this,$mtd))
    884 			$this->Error('Unsupported image type: '.$type);
    885 		$info = $this->$mtd($file);
    886 		$info['i'] = count($this->images)+1;
    887 		$this->images[$file] = $info;
    888 	}
    889 	else
    890 		$info = $this->images[$file];
    891 
    892 	// Automatic width and height calculation if needed
    893 	if($w==0 && $h==0)
    894 	{
    895 		// Put image at 96 dpi
    896 		$w = -96;
    897 		$h = -96;
    898 	}
    899 	if($w<0)
    900 		$w = -$info['w']*72/$w/$this->k;
    901 	if($h<0)
    902 		$h = -$info['h']*72/$h/$this->k;
    903 	if($w==0)
    904 		$w = $h*$info['w']/$info['h'];
    905 	if($h==0)
    906 		$h = $w*$info['h']/$info['w'];
    907 
    908 	// Flowing mode
    909 	if($y===null)
    910 	{
    911 		if($this->y+$h>$this->PageBreakTrigger && !$this->InHeader && !$this->InFooter && $this->AcceptPageBreak())
    912 		{
    913 			// Automatic page break
    914 			$x2 = $this->x;
    915 			$this->AddPage($this->CurOrientation,$this->CurPageSize,$this->CurRotation);
    916 			$this->x = $x2;
    917 		}
    918 		$y = $this->y;
    919 		$this->y += $h;
    920 	}
    921 
    922 	if($x===null)
    923 		$x = $this->x;
    924 	$this->_out(sprintf('q %.2F 0 0 %.2F %.2F %.2F cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i']));
    925 	if($link)
    926 		$this->Link($x,$y,$w,$h,$link);
    927 }
    928 
    929 function GetPageWidth()
    930 {
    931 	// Get current page width
    932 	return $this->w;
    933 }
    934 
    935 function GetPageHeight()
    936 {
    937 	// Get current page height
    938 	return $this->h;
    939 }
    940 
    941 function GetX()
    942 {
    943 	// Get x position
    944 	return $this->x;
    945 }
    946 
    947 function SetX($x)
    948 {
    949 	// Set x position
    950 	if($x>=0)
    951 		$this->x = $x;
    952 	else
    953 		$this->x = $this->w+$x;
    954 }
    955 
    956 function GetY()
    957 {
    958 	// Get y position
    959 	return $this->y;
    960 }
    961 
    962 function SetY($y, $resetX=true)
    963 {
    964 	// Set y position and optionally reset x
    965 	if($y>=0)
    966 		$this->y = $y;
    967 	else
    968 		$this->y = $this->h+$y;
    969 	if($resetX)
    970 		$this->x = $this->lMargin;
    971 }
    972 
    973 function SetXY($x, $y)
    974 {
    975 	// Set x and y positions
    976 	$this->SetX($x);
    977 	$this->SetY($y,false);
    978 }
    979 
    980 function Output($dest='', $name='', $isUTF8=false)
    981 {
    982 	// Output PDF to some destination
    983 	$this->Close();
    984 	if(strlen($name)==1 && strlen($dest)!=1)
    985 	{
    986 		// Fix parameter order
    987 		$tmp = $dest;
    988 		$dest = $name;
    989 		$name = $tmp;
    990 	}
    991 	if($dest=='')
    992 		$dest = 'I';
    993 	if($name=='')
    994 		$name = 'doc.pdf';
    995 	switch(strtoupper($dest))
    996 	{
    997 		case 'I':
    998 			// Send to standard output
    999 			$this->_checkoutput();
   1000 			if(PHP_SAPI!='cli')
   1001 			{
   1002 				// We send to a browser
   1003 				header('Content-Type: application/pdf');
   1004 				header('Content-Disposition: inline; '.$this->_httpencode('filename',$name,$isUTF8));
   1005 				header('Cache-Control: private, max-age=0, must-revalidate');
   1006 				header('Pragma: public');
   1007 			}
   1008 			echo $this->buffer;
   1009 			break;
   1010 		case 'D':
   1011 			// Download file
   1012 			$this->_checkoutput();
   1013 			header('Content-Type: application/x-download');
   1014 			header('Content-Disposition: attachment; '.$this->_httpencode('filename',$name,$isUTF8));
   1015 			header('Cache-Control: private, max-age=0, must-revalidate');
   1016 			header('Pragma: public');
   1017 			echo $this->buffer;
   1018 			break;
   1019 		case 'F':
   1020 			// Save to local file
   1021 			if(!file_put_contents($name,$this->buffer))
   1022 				$this->Error('Unable to create output file: '.$name);
   1023 			break;
   1024 		case 'S':
   1025 			// Return as a string
   1026 			return $this->buffer;
   1027 		default:
   1028 			$this->Error('Incorrect output destination: '.$dest);
   1029 	}
   1030 	return '';
   1031 }
   1032 
   1033 /*******************************************************************************
   1034 *                              Protected methods                               *
   1035 *******************************************************************************/
   1036 
   1037 protected function _dochecks()
   1038 {
   1039 	// Check mbstring overloading
   1040 	if(ini_get('mbstring.func_overload') & 2)
   1041 		$this->Error('mbstring overloading must be disabled');
   1042 }
   1043 
   1044 protected function _checkoutput()
   1045 {
   1046 	if(PHP_SAPI!='cli')
   1047 	{
   1048 		if(headers_sent($file,$line))
   1049 			$this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)");
   1050 	}
   1051 	if(ob_get_length())
   1052 	{
   1053 		// The output buffer is not empty
   1054 		if(preg_match('/^(\xEF\xBB\xBF)?\s*$/',ob_get_contents()))
   1055 		{
   1056 			// It contains only a UTF-8 BOM and/or whitespace, let's clean it
   1057 			ob_clean();
   1058 		}
   1059 		else
   1060 			$this->Error("Some data has already been output, can't send PDF file");
   1061 	}
   1062 }
   1063 
   1064 protected function _getpagesize($size)
   1065 {
   1066 	if(is_string($size))
   1067 	{
   1068 		$size = strtolower($size);
   1069 		if(!isset($this->StdPageSizes[$size]))
   1070 			$this->Error('Unknown page size: '.$size);
   1071 		$a = $this->StdPageSizes[$size];
   1072 		return array($a[0]/$this->k, $a[1]/$this->k);
   1073 	}
   1074 	else
   1075 	{
   1076 		if($size[0]>$size[1])
   1077 			return array($size[1], $size[0]);
   1078 		else
   1079 			return $size;
   1080 	}
   1081 }
   1082 
   1083 protected function _beginpage($orientation, $size, $rotation)
   1084 {
   1085 	$this->page++;
   1086 	$this->pages[$this->page] = '';
   1087 	$this->PageLinks[$this->page] = array();
   1088 	$this->state = 2;
   1089 	$this->x = $this->lMargin;
   1090 	$this->y = $this->tMargin;
   1091 	$this->FontFamily = '';
   1092 	// Check page size and orientation
   1093 	if($orientation=='')
   1094 		$orientation = $this->DefOrientation;
   1095 	else
   1096 		$orientation = strtoupper($orientation[0]);
   1097 	if($size=='')
   1098 		$size = $this->DefPageSize;
   1099 	else
   1100 		$size = $this->_getpagesize($size);
   1101 	if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1])
   1102 	{
   1103 		// New size or orientation
   1104 		if($orientation=='P')
   1105 		{
   1106 			$this->w = $size[0];
   1107 			$this->h = $size[1];
   1108 		}
   1109 		else
   1110 		{
   1111 			$this->w = $size[1];
   1112 			$this->h = $size[0];
   1113 		}
   1114 		$this->wPt = $this->w*$this->k;
   1115 		$this->hPt = $this->h*$this->k;
   1116 		$this->PageBreakTrigger = $this->h-$this->bMargin;
   1117 		$this->CurOrientation = $orientation;
   1118 		$this->CurPageSize = $size;
   1119 	}
   1120 	if($orientation!=$this->DefOrientation || $size[0]!=$this->DefPageSize[0] || $size[1]!=$this->DefPageSize[1])
   1121 		$this->PageInfo[$this->page]['size'] = array($this->wPt, $this->hPt);
   1122 	if($rotation!=0)
   1123 	{
   1124 		if($rotation%90!=0)
   1125 			$this->Error('Incorrect rotation value: '.$rotation);
   1126 		$this->CurRotation = $rotation;
   1127 		$this->PageInfo[$this->page]['rotation'] = $rotation;
   1128 	}
   1129 }
   1130 
   1131 protected function _endpage()
   1132 {
   1133 	$this->state = 1;
   1134 }
   1135 
   1136 protected function _loadfont($font)
   1137 {
   1138 	// Load a font definition file from the font directory
   1139 	if(strpos($font,'/')!==false || strpos($font,"\\")!==false)
   1140 		$this->Error('Incorrect font definition file name: '.$font);
   1141 	include($this->fontpath.$font);
   1142 	if(!isset($name))
   1143 		$this->Error('Could not include font definition file');
   1144 	if(isset($enc))
   1145 		$enc = strtolower($enc);
   1146 	if(!isset($subsetted))
   1147 		$subsetted = false;
   1148 	return get_defined_vars();
   1149 }
   1150 
   1151 protected function _isascii($s)
   1152 {
   1153 	// Test if string is ASCII
   1154 	$nb = strlen($s);
   1155 	for($i=0;$i<$nb;$i++)
   1156 	{
   1157 		if(ord($s[$i])>127)
   1158 			return false;
   1159 	}
   1160 	return true;
   1161 }
   1162 
   1163 protected function _httpencode($param, $value, $isUTF8)
   1164 {
   1165 	// Encode HTTP header field parameter
   1166 	if($this->_isascii($value))
   1167 		return $param.'="'.$value.'"';
   1168 	if(!$isUTF8)
   1169 		$value = utf8_encode($value);
   1170 	if(strpos($_SERVER['HTTP_USER_AGENT'],'MSIE')!==false)
   1171 		return $param.'="'.rawurlencode($value).'"';
   1172 	else
   1173 		return $param."*=UTF-8''".rawurlencode($value);
   1174 }
   1175 
   1176 protected function _UTF8toUTF16($s)
   1177 {
   1178 	// Convert UTF-8 to UTF-16BE with BOM
   1179 	$res = "\xFE\xFF";
   1180 	$nb = strlen($s);
   1181 	$i = 0;
   1182 	while($i<$nb)
   1183 	{
   1184 		$c1 = ord($s[$i++]);
   1185 		if($c1>=224)
   1186 		{
   1187 			// 3-byte character
   1188 			$c2 = ord($s[$i++]);
   1189 			$c3 = ord($s[$i++]);
   1190 			$res .= chr((($c1 & 0x0F)<<4) + (($c2 & 0x3C)>>2));
   1191 			$res .= chr((($c2 & 0x03)<<6) + ($c3 & 0x3F));
   1192 		}
   1193 		elseif($c1>=192)
   1194 		{
   1195 			// 2-byte character
   1196 			$c2 = ord($s[$i++]);
   1197 			$res .= chr(($c1 & 0x1C)>>2);
   1198 			$res .= chr((($c1 & 0x03)<<6) + ($c2 & 0x3F));
   1199 		}
   1200 		else
   1201 		{
   1202 			// Single-byte character
   1203 			$res .= "\0".chr($c1);
   1204 		}
   1205 	}
   1206 	return $res;
   1207 }
   1208 
   1209 protected function _escape($s)
   1210 {
   1211 	// Escape special characters
   1212 	if(strpos($s,'(')!==false || strpos($s,')')!==false || strpos($s,'\\')!==false || strpos($s,"\r")!==false)
   1213 		return str_replace(array('\\','(',')',"\r"), array('\\\\','\\(','\\)','\\r'), $s);
   1214 	else
   1215 		return $s;
   1216 }
   1217 
   1218 protected function _textstring($s)
   1219 {
   1220 	// Format a text string
   1221 	if(!$this->_isascii($s))
   1222 		$s = $this->_UTF8toUTF16($s);
   1223 	return '('.$this->_escape($s).')';
   1224 }
   1225 
   1226 protected function _dounderline($x, $y, $txt)
   1227 {
   1228 	// Underline text
   1229 	$up = $this->CurrentFont['up'];
   1230 	$ut = $this->CurrentFont['ut'];
   1231 	$w = $this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');
   1232 	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*$this->FontSizePt);
   1233 }
   1234 
   1235 protected function _parsejpg($file)
   1236 {
   1237 	// Extract info from a JPEG file
   1238 	$a = getimagesize($file);
   1239 	if(!$a)
   1240 		$this->Error('Missing or incorrect image file: '.$file);
   1241 	if($a[2]!=2)
   1242 		$this->Error('Not a JPEG file: '.$file);
   1243 	if(!isset($a['channels']) || $a['channels']==3)
   1244 		$colspace = 'DeviceRGB';
   1245 	elseif($a['channels']==4)
   1246 		$colspace = 'DeviceCMYK';
   1247 	else
   1248 		$colspace = 'DeviceGray';
   1249 	$bpc = isset($a['bits']) ? $a['bits'] : 8;
   1250 	$data = file_get_contents($file);
   1251 	return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);
   1252 }
   1253 
   1254 protected function _parsepng($file)
   1255 {
   1256 	// Extract info from a PNG file
   1257 	$f = fopen($file,'rb');
   1258 	if(!$f)
   1259 		$this->Error('Can\'t open image file: '.$file);
   1260 	$info = $this->_parsepngstream($f,$file);
   1261 	fclose($f);
   1262 	return $info;
   1263 }
   1264 
   1265 protected function _parsepngstream($f, $file)
   1266 {
   1267 	// Check signature
   1268 	if($this->_readstream($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
   1269 		$this->Error('Not a PNG file: '.$file);
   1270 
   1271 	// Read header chunk
   1272 	$this->_readstream($f,4);
   1273 	if($this->_readstream($f,4)!='IHDR')
   1274 		$this->Error('Incorrect PNG file: '.$file);
   1275 	$w = $this->_readint($f);
   1276 	$h = $this->_readint($f);
   1277 	$bpc = ord($this->_readstream($f,1));
   1278 	if($bpc>8)
   1279 		$this->Error('16-bit depth not supported: '.$file);
   1280 	$ct = ord($this->_readstream($f,1));
   1281 	if($ct==0 || $ct==4)
   1282 		$colspace = 'DeviceGray';
   1283 	elseif($ct==2 || $ct==6)
   1284 		$colspace = 'DeviceRGB';
   1285 	elseif($ct==3)
   1286 		$colspace = 'Indexed';
   1287 	else
   1288 		$this->Error('Unknown color type: '.$file);
   1289 	if(ord($this->_readstream($f,1))!=0)
   1290 		$this->Error('Unknown compression method: '.$file);
   1291 	if(ord($this->_readstream($f,1))!=0)
   1292 		$this->Error('Unknown filter method: '.$file);
   1293 	if(ord($this->_readstream($f,1))!=0)
   1294 		$this->Error('Interlacing not supported: '.$file);
   1295 	$this->_readstream($f,4);
   1296 	$dp = '/Predictor 15 /Colors '.($colspace=='DeviceRGB' ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w;
   1297 
   1298 	// Scan chunks looking for palette, transparency and image data
   1299 	$pal = '';
   1300 	$trns = '';
   1301 	$data = '';
   1302 	do
   1303 	{
   1304 		$n = $this->_readint($f);
   1305 		$type = $this->_readstream($f,4);
   1306 		if($type=='PLTE')
   1307 		{
   1308 			// Read palette
   1309 			$pal = $this->_readstream($f,$n);
   1310 			$this->_readstream($f,4);
   1311 		}
   1312 		elseif($type=='tRNS')
   1313 		{
   1314 			// Read transparency info
   1315 			$t = $this->_readstream($f,$n);
   1316 			if($ct==0)
   1317 				$trns = array(ord(substr($t,1,1)));
   1318 			elseif($ct==2)
   1319 				$trns = array(ord(substr($t,1,1)), ord(substr($t,3,1)), ord(substr($t,5,1)));
   1320 			else
   1321 			{
   1322 				$pos = strpos($t,chr(0));
   1323 				if($pos!==false)
   1324 					$trns = array($pos);
   1325 			}
   1326 			$this->_readstream($f,4);
   1327 		}
   1328 		elseif($type=='IDAT')
   1329 		{
   1330 			// Read image data block
   1331 			$data .= $this->_readstream($f,$n);
   1332 			$this->_readstream($f,4);
   1333 		}
   1334 		elseif($type=='IEND')
   1335 			break;
   1336 		else
   1337 			$this->_readstream($f,$n+4);
   1338 	}
   1339 	while($n);
   1340 
   1341 	if($colspace=='Indexed' && empty($pal))
   1342 		$this->Error('Missing palette in '.$file);
   1343 	$info = array('w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'FlateDecode', 'dp'=>$dp, 'pal'=>$pal, 'trns'=>$trns);
   1344 	if($ct>=4)
   1345 	{
   1346 		// Extract alpha channel
   1347 		if(!function_exists('gzuncompress'))
   1348 			$this->Error('Zlib not available, can\'t handle alpha channel: '.$file);
   1349 		$data = gzuncompress($data);
   1350 		$color = '';
   1351 		$alpha = '';
   1352 		if($ct==4)
   1353 		{
   1354 			// Gray image
   1355 			$len = 2*$w;
   1356 			for($i=0;$i<$h;$i++)
   1357 			{
   1358 				$pos = (1+$len)*$i;
   1359 				$color .= $data[$pos];
   1360 				$alpha .= $data[$pos];
   1361 				$line = substr($data,$pos+1,$len);
   1362 				$color .= preg_replace('/(.)./s','$1',$line);
   1363 				$alpha .= preg_replace('/.(.)/s','$1',$line);
   1364 			}
   1365 		}
   1366 		else
   1367 		{
   1368 			// RGB image
   1369 			$len = 4*$w;
   1370 			for($i=0;$i<$h;$i++)
   1371 			{
   1372 				$pos = (1+$len)*$i;
   1373 				$color .= $data[$pos];
   1374 				$alpha .= $data[$pos];
   1375 				$line = substr($data,$pos+1,$len);
   1376 				$color .= preg_replace('/(.{3})./s','$1',$line);
   1377 				$alpha .= preg_replace('/.{3}(.)/s','$1',$line);
   1378 			}
   1379 		}
   1380 		unset($data);
   1381 		$data = gzcompress($color);
   1382 		$info['smask'] = gzcompress($alpha);
   1383 		$this->WithAlpha = true;
   1384 		if($this->PDFVersion<'1.4')
   1385 			$this->PDFVersion = '1.4';
   1386 	}
   1387 	$info['data'] = $data;
   1388 	return $info;
   1389 }
   1390 
   1391 protected function _readstream($f, $n)
   1392 {
   1393 	// Read n bytes from stream
   1394 	$res = '';
   1395 	while($n>0 && !feof($f))
   1396 	{
   1397 		$s = fread($f,$n);
   1398 		if($s===false)
   1399 			$this->Error('Error while reading stream');
   1400 		$n -= strlen($s);
   1401 		$res .= $s;
   1402 	}
   1403 	if($n>0)
   1404 		$this->Error('Unexpected end of stream');
   1405 	return $res;
   1406 }
   1407 
   1408 protected function _readint($f)
   1409 {
   1410 	// Read a 4-byte integer from stream
   1411 	$a = unpack('Ni',$this->_readstream($f,4));
   1412 	return $a['i'];
   1413 }
   1414 
   1415 protected function _parsegif($file)
   1416 {
   1417 	// Extract info from a GIF file (via PNG conversion)
   1418 	if(!function_exists('imagepng'))
   1419 		$this->Error('GD extension is required for GIF support');
   1420 	if(!function_exists('imagecreatefromgif'))
   1421 		$this->Error('GD has no GIF read support');
   1422 	$im = imagecreatefromgif($file);
   1423 	if(!$im)
   1424 		$this->Error('Missing or incorrect image file: '.$file);
   1425 	imageinterlace($im,0);
   1426 	ob_start();
   1427 	imagepng($im);
   1428 	$data = ob_get_clean();
   1429 	imagedestroy($im);
   1430 	$f = fopen('php://temp','rb+');
   1431 	if(!$f)
   1432 		$this->Error('Unable to create memory stream');
   1433 	fwrite($f,$data);
   1434 	rewind($f);
   1435 	$info = $this->_parsepngstream($f,$file);
   1436 	fclose($f);
   1437 	return $info;
   1438 }
   1439 
   1440 protected function _out($s)
   1441 {
   1442 	// Add a line to the document
   1443 	if($this->state==2)
   1444 		$this->pages[$this->page] .= $s."\n";
   1445 	elseif($this->state==1)
   1446 		$this->_put($s);
   1447 	elseif($this->state==0)
   1448 		$this->Error('No page has been added yet');
   1449 	elseif($this->state==3)
   1450 		$this->Error('The document is closed');
   1451 }
   1452 
   1453 protected function _put($s)
   1454 {
   1455 	$this->buffer .= $s."\n";
   1456 }
   1457 
   1458 protected function _getoffset()
   1459 {
   1460 	return strlen($this->buffer);
   1461 }
   1462 
   1463 protected function _newobj($n=null)
   1464 {
   1465 	// Begin a new object
   1466 	if($n===null)
   1467 		$n = ++$this->n;
   1468 	$this->offsets[$n] = $this->_getoffset();
   1469 	$this->_put($n.' 0 obj');
   1470 }
   1471 
   1472 protected function _putstream($data)
   1473 {
   1474 	$this->_put('stream');
   1475 	$this->_put($data);
   1476 	$this->_put('endstream');
   1477 }
   1478 
   1479 protected function _putstreamobject($data)
   1480 {
   1481 	if($this->compress)
   1482 	{
   1483 		$entries = '/Filter /FlateDecode ';
   1484 		$data = gzcompress($data);
   1485 	}
   1486 	else
   1487 		$entries = '';
   1488 	$entries .= '/Length '.strlen($data);
   1489 	$this->_newobj();
   1490 	$this->_put('<<'.$entries.'>>');
   1491 	$this->_putstream($data);
   1492 	$this->_put('endobj');
   1493 }
   1494 
   1495 protected function _putpage($n)
   1496 {
   1497 	$this->_newobj();
   1498 	$this->_put('<</Type /Page');
   1499 	$this->_put('/Parent 1 0 R');
   1500 	if(isset($this->PageInfo[$n]['size']))
   1501 		$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$this->PageInfo[$n]['size'][0],$this->PageInfo[$n]['size'][1]));
   1502 	if(isset($this->PageInfo[$n]['rotation']))
   1503 		$this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);
   1504 	$this->_put('/Resources 2 0 R');
   1505 	if(!empty($this->PageLinks[$n]))
   1506 	{
   1507 		$s = '/Annots [';
   1508 		foreach($this->PageLinks[$n] as $pl)
   1509 			$s .= $pl[5].' 0 R ';
   1510 		$s .= ']';
   1511 		$this->_put($s);
   1512 	}
   1513 	if($this->WithAlpha)
   1514 		$this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');
   1515 	$this->_put('/Contents '.($this->n+1).' 0 R>>');
   1516 	$this->_put('endobj');
   1517 	// Page content
   1518 	if(!empty($this->AliasNbPages))
   1519 		$this->pages[$n] = str_replace($this->AliasNbPages,$this->page,$this->pages[$n]);
   1520 	$this->_putstreamobject($this->pages[$n]);
   1521 	// Annotations
   1522 	foreach($this->PageLinks[$n] as $pl)
   1523 	{
   1524 		$this->_newobj();
   1525 		$rect = sprintf('%.2F %.2F %.2F %.2F',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);
   1526 		$s = '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
   1527 		if(is_string($pl[4]))
   1528 			$s .= '/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
   1529 		else
   1530 		{
   1531 			$l = $this->links[$pl[4]];
   1532 			if(isset($this->PageInfo[$l[0]]['size']))
   1533 				$h = $this->PageInfo[$l[0]]['size'][1];
   1534 			else
   1535 				$h = ($this->DefOrientation=='P') ? $this->DefPageSize[1]*$this->k : $this->DefPageSize[0]*$this->k;
   1536 			$s .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>',$this->PageInfo[$l[0]]['n'],$h-$l[1]*$this->k);
   1537 		}
   1538 		$this->_put($s);
   1539 		$this->_put('endobj');
   1540 	}
   1541 }
   1542 
   1543 protected function _putpages()
   1544 {
   1545 	$nb = $this->page;
   1546 	$n = $this->n;
   1547 	for($i=1;$i<=$nb;$i++)
   1548 	{
   1549 		$this->PageInfo[$i]['n'] = ++$n;
   1550 		$n++;
   1551 		foreach($this->PageLinks[$i] as &$pl)
   1552 			$pl[5] = ++$n;
   1553 		unset($pl);
   1554 	}
   1555 	for($i=1;$i<=$nb;$i++)
   1556 		$this->_putpage($i);
   1557 	// Pages root
   1558 	$this->_newobj(1);
   1559 	$this->_put('<</Type /Pages');
   1560 	$kids = '/Kids [';
   1561 	for($i=1;$i<=$nb;$i++)
   1562 		$kids .= $this->PageInfo[$i]['n'].' 0 R ';
   1563 	$kids .= ']';
   1564 	$this->_put($kids);
   1565 	$this->_put('/Count '.$nb);
   1566 	if($this->DefOrientation=='P')
   1567 	{
   1568 		$w = $this->DefPageSize[0];
   1569 		$h = $this->DefPageSize[1];
   1570 	}
   1571 	else
   1572 	{
   1573 		$w = $this->DefPageSize[1];
   1574 		$h = $this->DefPageSize[0];
   1575 	}
   1576 	$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$w*$this->k,$h*$this->k));
   1577 	$this->_put('>>');
   1578 	$this->_put('endobj');
   1579 }
   1580 
   1581 protected function _putfonts()
   1582 {
   1583 	foreach($this->FontFiles as $file=>$info)
   1584 	{
   1585 		// Font file embedding
   1586 		$this->_newobj();
   1587 		$this->FontFiles[$file]['n'] = $this->n;
   1588 		$font = file_get_contents($this->fontpath.$file,true);
   1589 		if(!$font)
   1590 			$this->Error('Font file not found: '.$file);
   1591 		$compressed = (substr($file,-2)=='.z');
   1592 		if(!$compressed && isset($info['length2']))
   1593 			$font = substr($font,6,$info['length1']).substr($font,6+$info['length1']+6,$info['length2']);
   1594 		$this->_put('<</Length '.strlen($font));
   1595 		if($compressed)
   1596 			$this->_put('/Filter /FlateDecode');
   1597 		$this->_put('/Length1 '.$info['length1']);
   1598 		if(isset($info['length2']))
   1599 			$this->_put('/Length2 '.$info['length2'].' /Length3 0');
   1600 		$this->_put('>>');
   1601 		$this->_putstream($font);
   1602 		$this->_put('endobj');
   1603 	}
   1604 	foreach($this->fonts as $k=>$font)
   1605 	{
   1606 		// Encoding
   1607 		if(isset($font['diff']))
   1608 		{
   1609 			if(!isset($this->encodings[$font['enc']]))
   1610 			{
   1611 				$this->_newobj();
   1612 				$this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');
   1613 				$this->_put('endobj');
   1614 				$this->encodings[$font['enc']] = $this->n;
   1615 			}
   1616 		}
   1617 		// ToUnicode CMap
   1618 		if(isset($font['uv']))
   1619 		{
   1620 			if(isset($font['enc']))
   1621 				$cmapkey = $font['enc'];
   1622 			else
   1623 				$cmapkey = $font['name'];
   1624 			if(!isset($this->cmaps[$cmapkey]))
   1625 			{
   1626 				$cmap = $this->_tounicodecmap($font['uv']);
   1627 				$this->_putstreamobject($cmap);
   1628 				$this->cmaps[$cmapkey] = $this->n;
   1629 			}
   1630 		}
   1631 		// Font object
   1632 		$this->fonts[$k]['n'] = $this->n+1;
   1633 		$type = $font['type'];
   1634 		$name = $font['name'];
   1635 		if($font['subsetted'])
   1636 			$name = 'AAAAAA+'.$name;
   1637 		if($type=='Core')
   1638 		{
   1639 			// Core font
   1640 			$this->_newobj();
   1641 			$this->_put('<</Type /Font');
   1642 			$this->_put('/BaseFont /'.$name);
   1643 			$this->_put('/Subtype /Type1');
   1644 			if($name!='Symbol' && $name!='ZapfDingbats')
   1645 				$this->_put('/Encoding /WinAnsiEncoding');
   1646 			if(isset($font['uv']))
   1647 				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
   1648 			$this->_put('>>');
   1649 			$this->_put('endobj');
   1650 		}
   1651 		elseif($type=='Type1' || $type=='TrueType')
   1652 		{
   1653 			// Additional Type1 or TrueType/OpenType font
   1654 			$this->_newobj();
   1655 			$this->_put('<</Type /Font');
   1656 			$this->_put('/BaseFont /'.$name);
   1657 			$this->_put('/Subtype /'.$type);
   1658 			$this->_put('/FirstChar 32 /LastChar 255');
   1659 			$this->_put('/Widths '.($this->n+1).' 0 R');
   1660 			$this->_put('/FontDescriptor '.($this->n+2).' 0 R');
   1661 			if(isset($font['diff']))
   1662 				$this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');
   1663 			else
   1664 				$this->_put('/Encoding /WinAnsiEncoding');
   1665 			if(isset($font['uv']))
   1666 				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
   1667 			$this->_put('>>');
   1668 			$this->_put('endobj');
   1669 			// Widths
   1670 			$this->_newobj();
   1671 			$cw = &$font['cw'];
   1672 			$s = '[';
   1673 			for($i=32;$i<=255;$i++)
   1674 				$s .= $cw[chr($i)].' ';
   1675 			$this->_put($s.']');
   1676 			$this->_put('endobj');
   1677 			// Descriptor
   1678 			$this->_newobj();
   1679 			$s = '<</Type /FontDescriptor /FontName /'.$name;
   1680 			foreach($font['desc'] as $k=>$v)
   1681 				$s .= ' /'.$k.' '.$v;
   1682 			if(!empty($font['file']))
   1683 				$s .= ' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';
   1684 			$this->_put($s.'>>');
   1685 			$this->_put('endobj');
   1686 		}
   1687 		else
   1688 		{
   1689 			// Allow for additional types
   1690 			$mtd = '_put'.strtolower($type);
   1691 			if(!method_exists($this,$mtd))
   1692 				$this->Error('Unsupported font type: '.$type);
   1693 			$this->$mtd($font);
   1694 		}
   1695 	}
   1696 }
   1697 
   1698 protected function _tounicodecmap($uv)
   1699 {
   1700 	$ranges = '';
   1701 	$nbr = 0;
   1702 	$chars = '';
   1703 	$nbc = 0;
   1704 	foreach($uv as $c=>$v)
   1705 	{
   1706 		if(is_array($v))
   1707 		{
   1708 			$ranges .= sprintf("<%02X> <%02X> <%04X>\n",$c,$c+$v[1]-1,$v[0]);
   1709 			$nbr++;
   1710 		}
   1711 		else
   1712 		{
   1713 			$chars .= sprintf("<%02X> <%04X>\n",$c,$v);
   1714 			$nbc++;
   1715 		}
   1716 	}
   1717 	$s = "/CIDInit /ProcSet findresource begin\n";
   1718 	$s .= "12 dict begin\n";
   1719 	$s .= "begincmap\n";
   1720 	$s .= "/CIDSystemInfo\n";
   1721 	$s .= "<</Registry (Adobe)\n";
   1722 	$s .= "/Ordering (UCS)\n";
   1723 	$s .= "/Supplement 0\n";
   1724 	$s .= ">> def\n";
   1725 	$s .= "/CMapName /Adobe-Identity-UCS def\n";
   1726 	$s .= "/CMapType 2 def\n";
   1727 	$s .= "1 begincodespacerange\n";
   1728 	$s .= "<00> <FF>\n";
   1729 	$s .= "endcodespacerange\n";
   1730 	if($nbr>0)
   1731 	{
   1732 		$s .= "$nbr beginbfrange\n";
   1733 		$s .= $ranges;
   1734 		$s .= "endbfrange\n";
   1735 	}
   1736 	if($nbc>0)
   1737 	{
   1738 		$s .= "$nbc beginbfchar\n";
   1739 		$s .= $chars;
   1740 		$s .= "endbfchar\n";
   1741 	}
   1742 	$s .= "endcmap\n";
   1743 	$s .= "CMapName currentdict /CMap defineresource pop\n";
   1744 	$s .= "end\n";
   1745 	$s .= "end";
   1746 	return $s;
   1747 }
   1748 
   1749 protected function _putimages()
   1750 {
   1751 	foreach(array_keys($this->images) as $file)
   1752 	{
   1753 		$this->_putimage($this->images[$file]);
   1754 		unset($this->images[$file]['data']);
   1755 		unset($this->images[$file]['smask']);
   1756 	}
   1757 }
   1758 
   1759 protected function _putimage(&$info)
   1760 {
   1761 	$this->_newobj();
   1762 	$info['n'] = $this->n;
   1763 	$this->_put('<</Type /XObject');
   1764 	$this->_put('/Subtype /Image');
   1765 	$this->_put('/Width '.$info['w']);
   1766 	$this->_put('/Height '.$info['h']);
   1767 	if($info['cs']=='Indexed')
   1768 		$this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
   1769 	else
   1770 	{
   1771 		$this->_put('/ColorSpace /'.$info['cs']);
   1772 		if($info['cs']=='DeviceCMYK')
   1773 			$this->_put('/Decode [1 0 1 0 1 0 1 0]');
   1774 	}
   1775 	$this->_put('/BitsPerComponent '.$info['bpc']);
   1776 	if(isset($info['f']))
   1777 		$this->_put('/Filter /'.$info['f']);
   1778 	if(isset($info['dp']))
   1779 		$this->_put('/DecodeParms <<'.$info['dp'].'>>');
   1780 	if(isset($info['trns']) && is_array($info['trns']))
   1781 	{
   1782 		$trns = '';
   1783 		for($i=0;$i<count($info['trns']);$i++)
   1784 			$trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';
   1785 		$this->_put('/Mask ['.$trns.']');
   1786 	}
   1787 	if(isset($info['smask']))
   1788 		$this->_put('/SMask '.($this->n+1).' 0 R');
   1789 	$this->_put('/Length '.strlen($info['data']).'>>');
   1790 	$this->_putstream($info['data']);
   1791 	$this->_put('endobj');
   1792 	// Soft mask
   1793 	if(isset($info['smask']))
   1794 	{
   1795 		$dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];
   1796 		$smask = array('w'=>$info['w'], 'h'=>$info['h'], 'cs'=>'DeviceGray', 'bpc'=>8, 'f'=>$info['f'], 'dp'=>$dp, 'data'=>$info['smask']);
   1797 		$this->_putimage($smask);
   1798 	}
   1799 	// Palette
   1800 	if($info['cs']=='Indexed')
   1801 		$this->_putstreamobject($info['pal']);
   1802 }
   1803 
   1804 protected function _putxobjectdict()
   1805 {
   1806 	foreach($this->images as $image)
   1807 		$this->_put('/I'.$image['i'].' '.$image['n'].' 0 R');
   1808 }
   1809 
   1810 protected function _putresourcedict()
   1811 {
   1812 	$this->_put('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
   1813 	$this->_put('/Font <<');
   1814 	foreach($this->fonts as $font)
   1815 		$this->_put('/F'.$font['i'].' '.$font['n'].' 0 R');
   1816 	$this->_put('>>');
   1817 	$this->_put('/XObject <<');
   1818 	$this->_putxobjectdict();
   1819 	$this->_put('>>');
   1820 }
   1821 
   1822 protected function _putresources()
   1823 {
   1824 	$this->_putfonts();
   1825 	$this->_putimages();
   1826 	// Resource dictionary
   1827 	$this->_newobj(2);
   1828 	$this->_put('<<');
   1829 	$this->_putresourcedict();
   1830 	$this->_put('>>');
   1831 	$this->_put('endobj');
   1832 }
   1833 
   1834 protected function _putinfo()
   1835 {
   1836 	$this->metadata['Producer'] = 'FPDF '.FPDF_VERSION;
   1837 	$this->metadata['CreationDate'] = 'D:'.@date('YmdHis');
   1838 	foreach($this->metadata as $key=>$value)
   1839 		$this->_put('/'.$key.' '.$this->_textstring($value));
   1840 }
   1841 
   1842 protected function _putcatalog()
   1843 {
   1844 	$n = $this->PageInfo[1]['n'];
   1845 	$this->_put('/Type /Catalog');
   1846 	$this->_put('/Pages 1 0 R');
   1847 	if($this->ZoomMode=='fullpage')
   1848 		$this->_put('/OpenAction ['.$n.' 0 R /Fit]');
   1849 	elseif($this->ZoomMode=='fullwidth')
   1850 		$this->_put('/OpenAction ['.$n.' 0 R /FitH null]');
   1851 	elseif($this->ZoomMode=='real')
   1852 		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');
   1853 	elseif(!is_string($this->ZoomMode))
   1854 		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F',$this->ZoomMode/100).']');
   1855 	if($this->LayoutMode=='single')
   1856 		$this->_put('/PageLayout /SinglePage');
   1857 	elseif($this->LayoutMode=='continuous')
   1858 		$this->_put('/PageLayout /OneColumn');
   1859 	elseif($this->LayoutMode=='two')
   1860 		$this->_put('/PageLayout /TwoColumnLeft');
   1861 }
   1862 
   1863 protected function _putheader()
   1864 {
   1865 	$this->_put('%PDF-'.$this->PDFVersion);
   1866 }
   1867 
   1868 protected function _puttrailer()
   1869 {
   1870 	$this->_put('/Size '.($this->n+1));
   1871 	$this->_put('/Root '.$this->n.' 0 R');
   1872 	$this->_put('/Info '.($this->n-1).' 0 R');
   1873 }
   1874 
   1875 protected function _enddoc()
   1876 {
   1877 	$this->_putheader();
   1878 	$this->_putpages();
   1879 	$this->_putresources();
   1880 	// Info
   1881 	$this->_newobj();
   1882 	$this->_put('<<');
   1883 	$this->_putinfo();
   1884 	$this->_put('>>');
   1885 	$this->_put('endobj');
   1886 	// Catalog
   1887 	$this->_newobj();
   1888 	$this->_put('<<');
   1889 	$this->_putcatalog();
   1890 	$this->_put('>>');
   1891 	$this->_put('endobj');
   1892 	// Cross-ref
   1893 	$offset = $this->_getoffset();
   1894 	$this->_put('xref');
   1895 	$this->_put('0 '.($this->n+1));
   1896 	$this->_put('0000000000 65535 f ');
   1897 	for($i=1;$i<=$this->n;$i++)
   1898 		$this->_put(sprintf('%010d 00000 n ',$this->offsets[$i]));
   1899 	// Trailer
   1900 	$this->_put('trailer');
   1901 	$this->_put('<<');
   1902 	$this->_puttrailer();
   1903 	$this->_put('>>');
   1904 	$this->_put('startxref');
   1905 	$this->_put($offset);
   1906 	$this->_put('%%EOF');
   1907 	$this->state = 3;
   1908 }
   1909 }
   1910 ?>