Location: PHPKode > projects > Banshee PHP Framework > libraries/fpdf.php
<?php
	/*******************************************************************************
	* FPDF                                                                         *
	*                                                                              *
	* Version: 1.6                                                                 *
	* Date:    2008-08-03                                                          *
	* Author:  Olivier PLATHEY                                                     *
	*******************************************************************************/

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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