1<?php
2/*******************************************************************************
3* FPDF                                                                         *
4*                                                                              *
5* Version: 1.81                                                                *
6* Date:    2015-12-20                                                          *
7* Author:  Olivier PLATHEY                                                     *
8*******************************************************************************/
9
10define('FPDF_VERSION','1.81');
11
12class FPDF
13{
14protected $page;               // current page number
15protected $n;                  // current object number
16protected $offsets;            // array of object offsets
17protected $buffer;             // buffer holding in-memory PDF
18protected $pages;              // array containing pages
19protected $state;              // current document state
20protected $compress;           // compression flag
21protected $k;                  // scale factor (number of points in user unit)
22protected $DefOrientation;     // default orientation
23protected $CurOrientation;     // current orientation
24protected $StdPageSizes;       // standard page sizes
25protected $DefPageSize;        // default page size
26protected $CurPageSize;        // current page size
27protected $CurRotation;        // current page rotation
28protected $PageInfo;           // page-related data
29protected $wPt, $hPt;          // dimensions of current page in points
30protected $w, $h;              // dimensions of current page in user unit
31protected $lMargin;            // left margin
32protected $tMargin;            // top margin
33protected $rMargin;            // right margin
34protected $bMargin;            // page break margin
35protected $cMargin;            // cell margin
36protected $x, $y;              // current position in user unit
37protected $lasth;              // height of last printed cell
38protected $LineWidth;          // line width in user unit
39protected $fontpath;           // path containing fonts
40protected $CoreFonts;          // array of core font names
41protected $fonts;              // array of used fonts
42protected $FontFiles;          // array of font files
43protected $encodings;          // array of encodings
44protected $cmaps;              // array of ToUnicode CMaps
45protected $FontFamily;         // current font family
46protected $FontStyle;          // current font style
47protected $underline;          // underlining flag
48protected $CurrentFont;        // current font info
49protected $FontSizePt;         // current font size in points
50protected $FontSize;           // current font size in user unit
51protected $DrawColor;          // commands for drawing color
52protected $FillColor;          // commands for filling color
53protected $TextColor;          // commands for text color
54protected $ColorFlag;          // indicates whether fill and text colors are different
55protected $WithAlpha;          // indicates whether alpha channel is used
56protected $ws;                 // word spacing
57protected $images;             // array of used images
58protected $PageLinks;          // array of links in pages
59protected $links;              // array of internal links
60protected $AutoPageBreak;      // automatic page breaking
61protected $PageBreakTrigger;   // threshold used to trigger page breaks
62protected $InHeader;           // flag set when processing header
63protected $InFooter;           // flag set when processing footer
64protected $AliasNbPages;       // alias for total number of pages
65protected $ZoomMode;           // zoom display mode
66protected $LayoutMode;         // layout display mode
67protected $metadata;           // document properties
68protected $PDFVersion;         // PDF version number
69
70/*******************************************************************************
71*                               Public methods                                 *
72*******************************************************************************/
73
74function __construct($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	$this->PDFVersion = '1.3';
170}
171
172function SetMargins($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 = $right;
180}
181
182function SetLeftMargin($margin)
183{
184	// Set left margin
185	$this->lMargin = $margin;
186	if($this->page>0 && $this->x<$margin)
187		$this->x = $margin;
188}
189
190function SetTopMargin($margin)
191{
192	// Set top margin
193	$this->tMargin = $margin;
194}
195
196function SetRightMargin($margin)
197{
198	// Set right margin
199	$this->rMargin = $margin;
200}
201
202function SetAutoPageBreak($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
210function 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
223function SetCompression($compress)
224{
225	// Set page compression
226	if(function_exists('gzcompress'))
227		$this->compress = $compress;
228	else
229		$this->compress = false;
230}
231
232function SetTitle($title, $isUTF8=false)
233{
234	// Title of document
235	$this->metadata['Title'] = $isUTF8 ? $title : utf8_encode($title);
236}
237
238function SetAuthor($author, $isUTF8=false)
239{
240	// Author of document
241	$this->metadata['Author'] = $isUTF8 ? $author : utf8_encode($author);
242}
243
244function SetSubject($subject, $isUTF8=false)
245{
246	// Subject of document
247	$this->metadata['Subject'] = $isUTF8 ? $subject : utf8_encode($subject);
248}
249
250function SetKeywords($keywords, $isUTF8=false)
251{
252	// Keywords of document
253	$this->metadata['Keywords'] = $isUTF8 ? $keywords : utf8_encode($keywords);
254}
255
256function SetCreator($creator, $isUTF8=false)
257{
258	// Creator of document
259	$this->metadata['Creator'] = $isUTF8 ? $creator : utf8_encode($creator);
260}
261
262function AliasNbPages($alias='{nb}')
263{
264	// Define an alias for total number of pages
265	$this->AliasNbPages = $alias;
266}
267
268function Error($msg)
269{
270	// Fatal error
271	throw new Exception('FPDF error: '.$msg);
272}
273
274function Close()
275{
276	// Terminate document
277	if($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	$this->_enddoc();
289}
290
291function AddPage($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
360function Header()
361{
362	// To be implemented in your own inherited class
363}
364
365function Footer()
366{
367	// To be implemented in your own inherited class
368}
369
370function PageNo()
371{
372	// Get current page number
373	return $this->page;
374}
375
376function SetDrawColor($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
387function 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
399function 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!=$this->TextColor);
407}
408
409function GetStringWidth($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
421function SetLineWidth($width)
422{
423	// Set line width
424	$this->LineWidth = $width;
425	if($this->page>0)
426		$this->_out(sprintf('%.2F w',$width*$this->k));
427}
428
429function Line($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)*$this->k));
433}
434
435function Rect($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,$op));
445}
446
447function AddFont($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] = $info;
470}
471
472function SetFont($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'],$this->FontSizePt));
520}
521
522function SetFontSize($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
533function AddLink()
534{
535	// Create a new internal link
536	$n = count($this->links)+1;
537	$this->links[$n] = array(0, 0);
538	return $n;
539}
540
541function SetLink($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, $y);
549}
550
551function Link($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, $link);
555}
556
557function Text($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
570function AcceptPageBreak()
571{
572	// Accept automatic page break or not
573	return $this->AutoPageBreak;
574}
575
576function Cell($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 += $w;
654}
655
656function MultiCell($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 = $this->lMargin;
769}
770
771function Write($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,$link);
852}
853
854function Ln($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 += $h;
862}
863
864function Image($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
929function GetPageWidth()
930{
931	// Get current page width
932	return $this->w;
933}
934
935function GetPageHeight()
936{
937	// Get current page height
938	return $this->h;
939}
940
941function GetX()
942{
943	// Get x position
944	return $this->x;
945}
946
947function SetX($x)
948{
949	// Set x position
950	if($x>=0)
951		$this->x = $x;
952	else
953		$this->x = $this->w+$x;
954}
955
956function GetY()
957{
958	// Get y position
959	return $this->y;
960}
961
962function SetY($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 = $this->lMargin;
971}
972
973function SetXY($x, $y)
974{
975	// Set x and y positions
976	$this->SetX($x);
977	$this->SetY($y,false);
978}
979
980function 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
1037protected function _dochecks()
1038{
1039	// Check mbstring overloading
1040	if(ini_get('mbstring.func_overload') & 2)
1041		$this->Error('mbstring overloading must be disabled');
1042	// Ensure runtime magic quotes are disabled
1043	if(get_magic_quotes_runtime())
1044		@set_magic_quotes_runtime(0);
1045}
1046
1047protected function _checkoutput()
1048{
1049	if(PHP_SAPI!='cli')
1050	{
1051		if(headers_sent($file,$line))
1052			$this->Error("Some data has already been output, can't send PDF file (output started at $file:$line)");
1053	}
1054	if(ob_get_length())
1055	{
1056		// The output buffer is not empty
1057		if(preg_match('/^(\xEF\xBB\xBF)?\s*$/',ob_get_contents()))
1058		{
1059			// It contains only a UTF-8 BOM and/or whitespace, let's clean it
1060			ob_clean();
1061		}
1062		else
1063			$this->Error("Some data has already been output, can't send PDF file");
1064	}
1065}
1066
1067protected function _getpagesize($size)
1068{
1069	if(is_string($size))
1070	{
1071		$size = strtolower($size);
1072		if(!isset($this->StdPageSizes[$size]))
1073			$this->Error('Unknown page size: '.$size);
1074		$a = $this->StdPageSizes[$size];
1075		return array($a[0]/$this->k, $a[1]/$this->k);
1076	}
1077	else
1078	{
1079		if($size[0]>$size[1])
1080			return array($size[1], $size[0]);
1081		else
1082			return $size;
1083	}
1084}
1085
1086protected function _beginpage($orientation, $size, $rotation)
1087{
1088	$this->page++;
1089	$this->pages[$this->page] = '';
1090	$this->state = 2;
1091	$this->x = $this->lMargin;
1092	$this->y = $this->tMargin;
1093	$this->FontFamily = '';
1094	// Check page size and orientation
1095	if($orientation=='')
1096		$orientation = $this->DefOrientation;
1097	else
1098		$orientation = strtoupper($orientation[0]);
1099	if($size=='')
1100		$size = $this->DefPageSize;
1101	else
1102		$size = $this->_getpagesize($size);
1103	if($orientation!=$this->CurOrientation || $size[0]!=$this->CurPageSize[0] || $size[1]!=$this->CurPageSize[1])
1104	{
1105		// New size or orientation
1106		if($orientation=='P')
1107		{
1108			$this->w = $size[0];
1109			$this->h = $size[1];
1110		}
1111		else
1112		{
1113			$this->w = $size[1];
1114			$this->h = $size[0];
1115		}
1116		$this->wPt = $this->w*$this->k;
1117		$this->hPt = $this->h*$this->k;
1118		$this->PageBreakTrigger = $this->h-$this->bMargin;
1119		$this->CurOrientation = $orientation;
1120		$this->CurPageSize = $size;
1121	}
1122	if($orientation!=$this->DefOrientation || $size[0]!=$this->DefPageSize[0] || $size[1]!=$this->DefPageSize[1])
1123		$this->PageInfo[$this->page]['size'] = array($this->wPt, $this->hPt);
1124	if($rotation!=0)
1125	{
1126		if($rotation%90!=0)
1127			$this->Error('Incorrect rotation value: '.$rotation);
1128		$this->CurRotation = $rotation;
1129		$this->PageInfo[$this->page]['rotation'] = $rotation;
1130	}
1131}
1132
1133protected function _endpage()
1134{
1135	$this->state = 1;
1136}
1137
1138protected function _loadfont($font)
1139{
1140	// Load a font definition file from the font directory
1141	if(strpos($font,'/')!==false || strpos($font,"\\")!==false)
1142		$this->Error('Incorrect font definition file name: '.$font);
1143	include($this->fontpath.$font);
1144	if(!isset($name))
1145		$this->Error('Could not include font definition file');
1146	if(isset($enc))
1147		$enc = strtolower($enc);
1148	if(!isset($subsetted))
1149		$subsetted = false;
1150	return get_defined_vars();
1151}
1152
1153protected function _isascii($s)
1154{
1155	// Test if string is ASCII
1156	$nb = strlen($s);
1157	for($i=0;$i<$nb;$i++)
1158	{
1159		if(ord($s[$i])>127)
1160			return false;
1161	}
1162	return true;
1163}
1164
1165protected function _httpencode($param, $value, $isUTF8)
1166{
1167	// Encode HTTP header field parameter
1168	if($this->_isascii($value))
1169		return $param.'="'.$value.'"';
1170	if(!$isUTF8)
1171		$value = utf8_encode($value);
1172	if(strpos($_SERVER['HTTP_USER_AGENT'],'MSIE')!==false)
1173		return $param.'="'.rawurlencode($value).'"';
1174	else
1175		return $param."*=UTF-8''".rawurlencode($value);
1176}
1177
1178protected function _UTF8toUTF16($s)
1179{
1180	// Convert UTF-8 to UTF-16BE with BOM
1181	$res = "\xFE\xFF";
1182	$nb = strlen($s);
1183	$i = 0;
1184	while($i<$nb)
1185	{
1186		$c1 = ord($s[$i++]);
1187		if($c1>=224)
1188		{
1189			// 3-byte character
1190			$c2 = ord($s[$i++]);
1191			$c3 = ord($s[$i++]);
1192			$res .= chr((($c1 & 0x0F)<<4) + (($c2 & 0x3C)>>2));
1193			$res .= chr((($c2 & 0x03)<<6) + ($c3 & 0x3F));
1194		}
1195		elseif($c1>=192)
1196		{
1197			// 2-byte character
1198			$c2 = ord($s[$i++]);
1199			$res .= chr(($c1 & 0x1C)>>2);
1200			$res .= chr((($c1 & 0x03)<<6) + ($c2 & 0x3F));
1201		}
1202		else
1203		{
1204			// Single-byte character
1205			$res .= "\0".chr($c1);
1206		}
1207	}
1208	return $res;
1209}
1210
1211protected function _escape($s)
1212{
1213	// Escape special characters
1214	if(strpos($s,'(')!==false || strpos($s,')')!==false || strpos($s,'\\')!==false || strpos($s,"\r")!==false)
1215		return str_replace(array('\\','(',')',"\r"), array('\\\\','\\(','\\)','\\r'), $s);
1216	else
1217		return $s;
1218}
1219
1220protected function _textstring($s)
1221{
1222	// Format a text string
1223	if(!$this->_isascii($s))
1224		$s = $this->_UTF8toUTF16($s);
1225	return '('.$this->_escape($s).')';
1226}
1227
1228protected function _dounderline($x, $y, $txt)
1229{
1230	// Underline text
1231	$up = $this->CurrentFont['up'];
1232	$ut = $this->CurrentFont['ut'];
1233	$w = $this->GetStringWidth($txt)+$this->ws*substr_count($txt,' ');
1234	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*$this->FontSizePt);
1235}
1236
1237protected function _parsejpg($file)
1238{
1239	// Extract info from a JPEG file
1240	$a = getimagesize($file);
1241	if(!$a)
1242		$this->Error('Missing or incorrect image file: '.$file);
1243	if($a[2]!=2)
1244		$this->Error('Not a JPEG file: '.$file);
1245	if(!isset($a['channels']) || $a['channels']==3)
1246		$colspace = 'DeviceRGB';
1247	elseif($a['channels']==4)
1248		$colspace = 'DeviceCMYK';
1249	else
1250		$colspace = 'DeviceGray';
1251	$bpc = isset($a['bits']) ? $a['bits'] : 8;
1252	$data = file_get_contents($file);
1253	return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);
1254}
1255
1256protected function _parsepng($file)
1257{
1258	// Extract info from a PNG file
1259	$f = fopen($file,'rb');
1260	if(!$f)
1261		$this->Error('Can\'t open image file: '.$file);
1262	$info = $this->_parsepngstream($f,$file);
1263	fclose($f);
1264	return $info;
1265}
1266
1267protected function _parsepngstream($f, $file)
1268{
1269	// Check signature
1270	if($this->_readstream($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
1271		$this->Error('Not a PNG file: '.$file);
1272
1273	// Read header chunk
1274	$this->_readstream($f,4);
1275	if($this->_readstream($f,4)!='IHDR')
1276		$this->Error('Incorrect PNG file: '.$file);
1277	$w = $this->_readint($f);
1278	$h = $this->_readint($f);
1279	$bpc = ord($this->_readstream($f,1));
1280	if($bpc>8)
1281		$this->Error('16-bit depth not supported: '.$file);
1282	$ct = ord($this->_readstream($f,1));
1283	if($ct==0 || $ct==4)
1284		$colspace = 'DeviceGray';
1285	elseif($ct==2 || $ct==6)
1286		$colspace = 'DeviceRGB';
1287	elseif($ct==3)
1288		$colspace = 'Indexed';
1289	else
1290		$this->Error('Unknown color type: '.$file);
1291	if(ord($this->_readstream($f,1))!=0)
1292		$this->Error('Unknown compression method: '.$file);
1293	if(ord($this->_readstream($f,1))!=0)
1294		$this->Error('Unknown filter method: '.$file);
1295	if(ord($this->_readstream($f,1))!=0)
1296		$this->Error('Interlacing not supported: '.$file);
1297	$this->_readstream($f,4);
1298	$dp = '/Predictor 15 /Colors '.($colspace=='DeviceRGB' ? 3 : 1).' /BitsPerComponent '.$bpc.' /Columns '.$w;
1299
1300	// Scan chunks looking for palette, transparency and image data
1301	$pal = '';
1302	$trns = '';
1303	$data = '';
1304	do
1305	{
1306		$n = $this->_readint($f);
1307		$type = $this->_readstream($f,4);
1308		if($type=='PLTE')
1309		{
1310			// Read palette
1311			$pal = $this->_readstream($f,$n);
1312			$this->_readstream($f,4);
1313		}
1314		elseif($type=='tRNS')
1315		{
1316			// Read transparency info
1317			$t = $this->_readstream($f,$n);
1318			if($ct==0)
1319				$trns = array(ord(substr($t,1,1)));
1320			elseif($ct==2)
1321				$trns = array(ord(substr($t,1,1)), ord(substr($t,3,1)), ord(substr($t,5,1)));
1322			else
1323			{
1324				$pos = strpos($t,chr(0));
1325				if($pos!==false)
1326					$trns = array($pos);
1327			}
1328			$this->_readstream($f,4);
1329		}
1330		elseif($type=='IDAT')
1331		{
1332			// Read image data block
1333			$data .= $this->_readstream($f,$n);
1334			$this->_readstream($f,4);
1335		}
1336		elseif($type=='IEND')
1337			break;
1338		else
1339			$this->_readstream($f,$n+4);
1340	}
1341	while($n);
1342
1343	if($colspace=='Indexed' && empty($pal))
1344		$this->Error('Missing palette in '.$file);
1345	$info = array('w'=>$w, 'h'=>$h, 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'FlateDecode', 'dp'=>$dp, 'pal'=>$pal, 'trns'=>$trns);
1346	if($ct>=4)
1347	{
1348		// Extract alpha channel
1349		if(!function_exists('gzuncompress'))
1350			$this->Error('Zlib not available, can\'t handle alpha channel: '.$file);
1351		$data = gzuncompress($data);
1352		$color = '';
1353		$alpha = '';
1354		if($ct==4)
1355		{
1356			// Gray image
1357			$len = 2*$w;
1358			for($i=0;$i<$h;$i++)
1359			{
1360				$pos = (1+$len)*$i;
1361				$color .= $data[$pos];
1362				$alpha .= $data[$pos];
1363				$line = substr($data,$pos+1,$len);
1364				$color .= preg_replace('/(.)./s','$1',$line);
1365				$alpha .= preg_replace('/.(.)/s','$1',$line);
1366			}
1367		}
1368		else
1369		{
1370			// RGB image
1371			$len = 4*$w;
1372			for($i=0;$i<$h;$i++)
1373			{
1374				$pos = (1+$len)*$i;
1375				$color .= $data[$pos];
1376				$alpha .= $data[$pos];
1377				$line = substr($data,$pos+1,$len);
1378				$color .= preg_replace('/(.{3})./s','$1',$line);
1379				$alpha .= preg_replace('/.{3}(.)/s','$1',$line);
1380			}
1381		}
1382		unset($data);
1383		$data = gzcompress($color);
1384		$info['smask'] = gzcompress($alpha);
1385		$this->WithAlpha = true;
1386		if($this->PDFVersion<'1.4')
1387			$this->PDFVersion = '1.4';
1388	}
1389	$info['data'] = $data;
1390	return $info;
1391}
1392
1393protected function _readstream($f, $n)
1394{
1395	// Read n bytes from stream
1396	$res = '';
1397	while($n>0 && !feof($f))
1398	{
1399		$s = fread($f,$n);
1400		if($s===false)
1401			$this->Error('Error while reading stream');
1402		$n -= strlen($s);
1403		$res .= $s;
1404	}
1405	if($n>0)
1406		$this->Error('Unexpected end of stream');
1407	return $res;
1408}
1409
1410protected function _readint($f)
1411{
1412	// Read a 4-byte integer from stream
1413	$a = unpack('Ni',$this->_readstream($f,4));
1414	return $a['i'];
1415}
1416
1417protected function _parsegif($file)
1418{
1419	// Extract info from a GIF file (via PNG conversion)
1420	if(!function_exists('imagepng'))
1421		$this->Error('GD extension is required for GIF support');
1422	if(!function_exists('imagecreatefromgif'))
1423		$this->Error('GD has no GIF read support');
1424	$im = imagecreatefromgif($file);
1425	if(!$im)
1426		$this->Error('Missing or incorrect image file: '.$file);
1427	imageinterlace($im,0);
1428	ob_start();
1429	imagepng($im);
1430	$data = ob_get_clean();
1431	imagedestroy($im);
1432	$f = fopen('php://temp','rb+');
1433	if(!$f)
1434		$this->Error('Unable to create memory stream');
1435	fwrite($f,$data);
1436	rewind($f);
1437	$info = $this->_parsepngstream($f,$file);
1438	fclose($f);
1439	return $info;
1440}
1441
1442protected function _out($s)
1443{
1444	// Add a line to the document
1445	if($this->state==2)
1446		$this->pages[$this->page] .= $s."\n";
1447	elseif($this->state==1)
1448		$this->_put($s);
1449	elseif($this->state==0)
1450		$this->Error('No page has been added yet');
1451	elseif($this->state==3)
1452		$this->Error('The document is closed');
1453}
1454
1455protected function _put($s)
1456{
1457	$this->buffer .= $s."\n";
1458}
1459
1460protected function _getoffset()
1461{
1462	return strlen($this->buffer);
1463}
1464
1465protected function _newobj($n=null)
1466{
1467	// Begin a new object
1468	if($n===null)
1469		$n = ++$this->n;
1470	$this->offsets[$n] = $this->_getoffset();
1471	$this->_put($n.' 0 obj');
1472}
1473
1474protected function _putstream($data)
1475{
1476	$this->_put('stream');
1477	$this->_put($data);
1478	$this->_put('endstream');
1479}
1480
1481protected function _putstreamobject($data)
1482{
1483	if($this->compress)
1484	{
1485		$entries = '/Filter /FlateDecode ';
1486		$data = gzcompress($data);
1487	}
1488	else
1489		$entries = '';
1490	$entries .= '/Length '.strlen($data);
1491	$this->_newobj();
1492	$this->_put('<<'.$entries.'>>');
1493	$this->_putstream($data);
1494	$this->_put('endobj');
1495}
1496
1497protected function _putpage($n)
1498{
1499	$this->_newobj();
1500	$this->_put('<</Type /Page');
1501	$this->_put('/Parent 1 0 R');
1502	if(isset($this->PageInfo[$n]['size']))
1503		$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$this->PageInfo[$n]['size'][0],$this->PageInfo[$n]['size'][1]));
1504	if(isset($this->PageInfo[$n]['rotation']))
1505		$this->_put('/Rotate '.$this->PageInfo[$n]['rotation']);
1506	$this->_put('/Resources 2 0 R');
1507	if(isset($this->PageLinks[$n]))
1508	{
1509		// Links
1510		$annots = '/Annots [';
1511		foreach($this->PageLinks[$n] as $pl)
1512		{
1513			$rect = sprintf('%.2F %.2F %.2F %.2F',$pl[0],$pl[1],$pl[0]+$pl[2],$pl[1]-$pl[3]);
1514			$annots .= '<</Type /Annot /Subtype /Link /Rect ['.$rect.'] /Border [0 0 0] ';
1515			if(is_string($pl[4]))
1516				$annots .= '/A <</S /URI /URI '.$this->_textstring($pl[4]).'>>>>';
1517			else
1518			{
1519				$l = $this->links[$pl[4]];
1520				if(isset($this->PageInfo[$l[0]]['size']))
1521					$h = $this->PageInfo[$l[0]]['size'][1];
1522				else
1523					$h = ($this->DefOrientation=='P') ? $this->DefPageSize[1]*$this->k : $this->DefPageSize[0]*$this->k;
1524				$annots .= sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>',$this->PageInfo[$l[0]]['n'],$h-$l[1]*$this->k);
1525			}
1526		}
1527		$this->_put($annots.']');
1528	}
1529	if($this->WithAlpha)
1530		$this->_put('/Group <</Type /Group /S /Transparency /CS /DeviceRGB>>');
1531	$this->_put('/Contents '.($this->n+1).' 0 R>>');
1532	$this->_put('endobj');
1533	// Page content
1534	if(!empty($this->AliasNbPages))
1535		$this->pages[$n] = str_replace($this->AliasNbPages,$this->page,$this->pages[$n]);
1536	$this->_putstreamobject($this->pages[$n]);
1537}
1538
1539protected function _putpages()
1540{
1541	$nb = $this->page;
1542	for($n=1;$n<=$nb;$n++)
1543		$this->PageInfo[$n]['n'] = $this->n+1+2*($n-1);
1544	for($n=1;$n<=$nb;$n++)
1545		$this->_putpage($n);
1546	// Pages root
1547	$this->_newobj(1);
1548	$this->_put('<</Type /Pages');
1549	$kids = '/Kids [';
1550	for($n=1;$n<=$nb;$n++)
1551		$kids .= $this->PageInfo[$n]['n'].' 0 R ';
1552	$this->_put($kids.']');
1553	$this->_put('/Count '.$nb);
1554	if($this->DefOrientation=='P')
1555	{
1556		$w = $this->DefPageSize[0];
1557		$h = $this->DefPageSize[1];
1558	}
1559	else
1560	{
1561		$w = $this->DefPageSize[1];
1562		$h = $this->DefPageSize[0];
1563	}
1564	$this->_put(sprintf('/MediaBox [0 0 %.2F %.2F]',$w*$this->k,$h*$this->k));
1565	$this->_put('>>');
1566	$this->_put('endobj');
1567}
1568
1569protected function _putfonts()
1570{
1571	foreach($this->FontFiles as $file=>$info)
1572	{
1573		// Font file embedding
1574		$this->_newobj();
1575		$this->FontFiles[$file]['n'] = $this->n;
1576		$font = file_get_contents($this->fontpath.$file,true);
1577		if(!$font)
1578			$this->Error('Font file not found: '.$file);
1579		$compressed = (substr($file,-2)=='.z');
1580		if(!$compressed && isset($info['length2']))
1581			$font = substr($font,6,$info['length1']).substr($font,6+$info['length1']+6,$info['length2']);
1582		$this->_put('<</Length '.strlen($font));
1583		if($compressed)
1584			$this->_put('/Filter /FlateDecode');
1585		$this->_put('/Length1 '.$info['length1']);
1586		if(isset($info['length2']))
1587			$this->_put('/Length2 '.$info['length2'].' /Length3 0');
1588		$this->_put('>>');
1589		$this->_putstream($font);
1590		$this->_put('endobj');
1591	}
1592	foreach($this->fonts as $k=>$font)
1593	{
1594		// Encoding
1595		if(isset($font['diff']))
1596		{
1597			if(!isset($this->encodings[$font['enc']]))
1598			{
1599				$this->_newobj();
1600				$this->_put('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$font['diff'].']>>');
1601				$this->_put('endobj');
1602				$this->encodings[$font['enc']] = $this->n;
1603			}
1604		}
1605		// ToUnicode CMap
1606		if(isset($font['uv']))
1607		{
1608			if(isset($font['enc']))
1609				$cmapkey = $font['enc'];
1610			else
1611				$cmapkey = $font['name'];
1612			if(!isset($this->cmaps[$cmapkey]))
1613			{
1614				$cmap = $this->_tounicodecmap($font['uv']);
1615				$this->_putstreamobject($cmap);
1616				$this->cmaps[$cmapkey] = $this->n;
1617			}
1618		}
1619		// Font object
1620		$this->fonts[$k]['n'] = $this->n+1;
1621		$type = $font['type'];
1622		$name = $font['name'];
1623		if($font['subsetted'])
1624			$name = 'AAAAAA+'.$name;
1625		if($type=='Core')
1626		{
1627			// Core font
1628			$this->_newobj();
1629			$this->_put('<</Type /Font');
1630			$this->_put('/BaseFont /'.$name);
1631			$this->_put('/Subtype /Type1');
1632			if($name!='Symbol' && $name!='ZapfDingbats')
1633				$this->_put('/Encoding /WinAnsiEncoding');
1634			if(isset($font['uv']))
1635				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
1636			$this->_put('>>');
1637			$this->_put('endobj');
1638		}
1639		elseif($type=='Type1' || $type=='TrueType')
1640		{
1641			// Additional Type1 or TrueType/OpenType font
1642			$this->_newobj();
1643			$this->_put('<</Type /Font');
1644			$this->_put('/BaseFont /'.$name);
1645			$this->_put('/Subtype /'.$type);
1646			$this->_put('/FirstChar 32 /LastChar 255');
1647			$this->_put('/Widths '.($this->n+1).' 0 R');
1648			$this->_put('/FontDescriptor '.($this->n+2).' 0 R');
1649			if(isset($font['diff']))
1650				$this->_put('/Encoding '.$this->encodings[$font['enc']].' 0 R');
1651			else
1652				$this->_put('/Encoding /WinAnsiEncoding');
1653			if(isset($font['uv']))
1654				$this->_put('/ToUnicode '.$this->cmaps[$cmapkey].' 0 R');
1655			$this->_put('>>');
1656			$this->_put('endobj');
1657			// Widths
1658			$this->_newobj();
1659			$cw = &$font['cw'];
1660			$s = '[';
1661			for($i=32;$i<=255;$i++)
1662				$s .= $cw[chr($i)].' ';
1663			$this->_put($s.']');
1664			$this->_put('endobj');
1665			// Descriptor
1666			$this->_newobj();
1667			$s = '<</Type /FontDescriptor /FontName /'.$name;
1668			foreach($font['desc'] as $k=>$v)
1669				$s .= ' /'.$k.' '.$v;
1670			if(!empty($font['file']))
1671				$s .= ' /FontFile'.($type=='Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';
1672			$this->_put($s.'>>');
1673			$this->_put('endobj');
1674		}
1675		else
1676		{
1677			// Allow for additional types
1678			$mtd = '_put'.strtolower($type);
1679			if(!method_exists($this,$mtd))
1680				$this->Error('Unsupported font type: '.$type);
1681			$this->$mtd($font);
1682		}
1683	}
1684}
1685
1686protected function _tounicodecmap($uv)
1687{
1688	$ranges = '';
1689	$nbr = 0;
1690	$chars = '';
1691	$nbc = 0;
1692	foreach($uv as $c=>$v)
1693	{
1694		if(is_array($v))
1695		{
1696			$ranges .= sprintf("<%02X> <%02X> <%04X>\n",$c,$c+$v[1]-1,$v[0]);
1697			$nbr++;
1698		}
1699		else
1700		{
1701			$chars .= sprintf("<%02X> <%04X>\n",$c,$v);
1702			$nbc++;
1703		}
1704	}
1705	$s = "/CIDInit /ProcSet findresource begin\n";
1706	$s .= "12 dict begin\n";
1707	$s .= "begincmap\n";
1708	$s .= "/CIDSystemInfo\n";
1709	$s .= "<</Registry (Adobe)\n";
1710	$s .= "/Ordering (UCS)\n";
1711	$s .= "/Supplement 0\n";
1712	$s .= ">> def\n";
1713	$s .= "/CMapName /Adobe-Identity-UCS def\n";
1714	$s .= "/CMapType 2 def\n";
1715	$s .= "1 begincodespacerange\n";
1716	$s .= "<00> <FF>\n";
1717	$s .= "endcodespacerange\n";
1718	if($nbr>0)
1719	{
1720		$s .= "$nbr beginbfrange\n";
1721		$s .= $ranges;
1722		$s .= "endbfrange\n";
1723	}
1724	if($nbc>0)
1725	{
1726		$s .= "$nbc beginbfchar\n";
1727		$s .= $chars;
1728		$s .= "endbfchar\n";
1729	}
1730	$s .= "endcmap\n";
1731	$s .= "CMapName currentdict /CMap defineresource pop\n";
1732	$s .= "end\n";
1733	$s .= "end";
1734	return $s;
1735}
1736
1737protected function _putimages()
1738{
1739	foreach(array_keys($this->images) as $file)
1740	{
1741		$this->_putimage($this->images[$file]);
1742		unset($this->images[$file]['data']);
1743		unset($this->images[$file]['smask']);
1744	}
1745}
1746
1747protected function _putimage(&$info)
1748{
1749	$this->_newobj();
1750	$info['n'] = $this->n;
1751	$this->_put('<</Type /XObject');
1752	$this->_put('/Subtype /Image');
1753	$this->_put('/Width '.$info['w']);
1754	$this->_put('/Height '.$info['h']);
1755	if($info['cs']=='Indexed')
1756		$this->_put('/ColorSpace [/Indexed /DeviceRGB '.(strlen($info['pal'])/3-1).' '.($this->n+1).' 0 R]');
1757	else
1758	{
1759		$this->_put('/ColorSpace /'.$info['cs']);
1760		if($info['cs']=='DeviceCMYK')
1761			$this->_put('/Decode [1 0 1 0 1 0 1 0]');
1762	}
1763	$this->_put('/BitsPerComponent '.$info['bpc']);
1764	if(isset($info['f']))
1765		$this->_put('/Filter /'.$info['f']);
1766	if(isset($info['dp']))
1767		$this->_put('/DecodeParms <<'.$info['dp'].'>>');
1768	if(isset($info['trns']) && is_array($info['trns']))
1769	{
1770		$trns = '';
1771		for($i=0;$i<count($info['trns']);$i++)
1772			$trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';
1773		$this->_put('/Mask ['.$trns.']');
1774	}
1775	if(isset($info['smask']))
1776		$this->_put('/SMask '.($this->n+1).' 0 R');
1777	$this->_put('/Length '.strlen($info['data']).'>>');
1778	$this->_putstream($info['data']);
1779	$this->_put('endobj');
1780	// Soft mask
1781	if(isset($info['smask']))
1782	{
1783		$dp = '/Predictor 15 /Colors 1 /BitsPerComponent 8 /Columns '.$info['w'];
1784		$smask = array('w'=>$info['w'], 'h'=>$info['h'], 'cs'=>'DeviceGray', 'bpc'=>8, 'f'=>$info['f'], 'dp'=>$dp, 'data'=>$info['smask']);
1785		$this->_putimage($smask);
1786	}
1787	// Palette
1788	if($info['cs']=='Indexed')
1789		$this->_putstreamobject($info['pal']);
1790}
1791
1792protected function _putxobjectdict()
1793{
1794	foreach($this->images as $image)
1795		$this->_put('/I'.$image['i'].' '.$image['n'].' 0 R');
1796}
1797
1798protected function _putresourcedict()
1799{
1800	$this->_put('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
1801	$this->_put('/Font <<');
1802	foreach($this->fonts as $font)
1803		$this->_put('/F'.$font['i'].' '.$font['n'].' 0 R');
1804	$this->_put('>>');
1805	$this->_put('/XObject <<');
1806	$this->_putxobjectdict();
1807	$this->_put('>>');
1808}
1809
1810protected function _putresources()
1811{
1812	$this->_putfonts();
1813	$this->_putimages();
1814	// Resource dictionary
1815	$this->_newobj(2);
1816	$this->_put('<<');
1817	$this->_putresourcedict();
1818	$this->_put('>>');
1819	$this->_put('endobj');
1820}
1821
1822protected function _putinfo()
1823{
1824	$this->metadata['Producer'] = 'FPDF '.FPDF_VERSION;
1825	$this->metadata['CreationDate'] = 'D:'.@date('YmdHis');
1826	foreach($this->metadata as $key=>$value)
1827		$this->_put('/'.$key.' '.$this->_textstring($value));
1828}
1829
1830protected function _putcatalog()
1831{
1832	$n = $this->PageInfo[1]['n'];
1833	$this->_put('/Type /Catalog');
1834	$this->_put('/Pages 1 0 R');
1835	if($this->ZoomMode=='fullpage')
1836		$this->_put('/OpenAction ['.$n.' 0 R /Fit]');
1837	elseif($this->ZoomMode=='fullwidth')
1838		$this->_put('/OpenAction ['.$n.' 0 R /FitH null]');
1839	elseif($this->ZoomMode=='real')
1840		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null 1]');
1841	elseif(!is_string($this->ZoomMode))
1842		$this->_put('/OpenAction ['.$n.' 0 R /XYZ null null '.sprintf('%.2F',$this->ZoomMode/100).']');
1843	if($this->LayoutMode=='single')
1844		$this->_put('/PageLayout /SinglePage');
1845	elseif($this->LayoutMode=='continuous')
1846		$this->_put('/PageLayout /OneColumn');
1847	elseif($this->LayoutMode=='two')
1848		$this->_put('/PageLayout /TwoColumnLeft');
1849}
1850
1851protected function _putheader()
1852{
1853	$this->_put('%PDF-'.$this->PDFVersion);
1854}
1855
1856protected function _puttrailer()
1857{
1858	$this->_put('/Size '.($this->n+1));
1859	$this->_put('/Root '.$this->n.' 0 R');
1860	$this->_put('/Info '.($this->n-1).' 0 R');
1861}
1862
1863protected function _enddoc()
1864{
1865	$this->_putheader();
1866	$this->_putpages();
1867	$this->_putresources();
1868	// Info
1869	$this->_newobj();
1870	$this->_put('<<');
1871	$this->_putinfo();
1872	$this->_put('>>');
1873	$this->_put('endobj');
1874	// Catalog
1875	$this->_newobj();
1876	$this->_put('<<');
1877	$this->_putcatalog();
1878	$this->_put('>>');
1879	$this->_put('endobj');
1880	// Cross-ref
1881	$offset = $this->_getoffset();
1882	$this->_put('xref');
1883	$this->_put('0 '.($this->n+1));
1884	$this->_put('0000000000 65535 f ');
1885	for($i=1;$i<=$this->n;$i++)
1886		$this->_put(sprintf('%010d 00000 n ',$this->offsets[$i]));
1887	// Trailer
1888	$this->_put('trailer');
1889	$this->_put('<<');
1890	$this->_puttrailer();
1891	$this->_put('>>');
1892	$this->_put('startxref');
1893	$this->_put($offset);
1894	$this->_put('%%EOF');
1895	$this->state = 3;
1896}
1897}
1898?>
1899