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<?php
/****************************************************************************
* Logiciel : FPDF                                                           *
* Version :  1.51                                                           *
* Date :     03/08/2002                                                     *
* Auteur :   Olivier PLATHEY                                                *
* Licence :  Freeware                                                       *
*                                                                           *
* Vous pouvez utiliser et modifier ce logiciel comme vous le souhaitez.     *
****************************************************************************/
define('FPDF_VERSION','1.51');

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

/****************************************************************************
*                                                                           *
*                              Public methods                               *
*                                                                           *
****************************************************************************/
function FPDF($orientation='P',$unit='mm',$format='A4')
{
        //Check for PHP locale-related bug
        if(1.1==1)
                $this->Error('Don\'t alter the locale before including class file');
        //Initialization of properties
        $this->page=0;
        $this->n=2;
        $this->buffer='';
        $this->pages=array();
        $this->OrientationChanges=array();
        $this->state=0;
        $this->fonts=array();
        $this->FontFiles=array();
        $this->diffs=array();
        $this->images=array();
        $this->links=array();
        $this->InFooter=false;
        $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['courier']='Courier';
        $this->CoreFonts['courierB']='Courier-Bold';
        $this->CoreFonts['courierI']='Courier-Oblique';
        $this->CoreFonts['courierBI']='Courier-BoldOblique';
        $this->CoreFonts['helvetica']='Helvetica';
        $this->CoreFonts['helveticaB']='Helvetica-Bold';
        $this->CoreFonts['helveticaI']='Helvetica-Oblique';
        $this->CoreFonts['helveticaBI']='Helvetica-BoldOblique';
        $this->CoreFonts['times']='Times-Roman';
        $this->CoreFonts['timesB']='Times-Bold';
        $this->CoreFonts['timesI']='Times-Italic';
        $this->CoreFonts['timesBI']='Times-BoldItalic';
        $this->CoreFonts['symbol']='Symbol';
        $this->CoreFonts['zapfdingbats']='ZapfDingbats';
        //Scale factor
        if($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
        if(is_string($format))
        {
                $format=strtolower($format);
                if($format=='a3')
                        $format=array(841.89,1190.55);
                elseif($format=='a4')
                        $format=array(595.28,841.89);
                elseif($format=='a5')
                        $format=array(420.94,595.28);
                elseif($format=='letter')
                        $format=array(612,792);
                elseif($format=='legal')
                        $format=array(612,1008);
                else
                        $this->Error('Unknown page format: '.$format);
                $this->fwPt=$format[0];
                $this->fhPt=$format[1];
        }
        else
        {
                $this->fwPt=$format[0]*$this->k;
                $this->fhPt=$format[1]*$this->k;
        }
        $this->fw=$this->fwPt/$this->k;
        $this->fh=$this->fhPt/$this->k;
        //Page orientation
        $orientation=strtolower($orientation);
        if($orientation=='p' or $orientation=='portrait')
        {
                $this->DefOrientation='P';
                $this->wPt=$this->fwPt;
                $this->hPt=$this->fhPt;
        }
        elseif($orientation=='l' or $orientation=='landscape')
        {
                $this->DefOrientation='L';
                $this->wPt=$this->fhPt;
                $this->hPt=$this->fwPt;
        }
        else
                $this->Error('Incorrect orientation: '.$orientation);
        $this->CurOrientation=$this->DefOrientation;
        $this->w=$this->wPt/$this->k;
        $this->h=$this->hPt/$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');
        //Compression
        $this->SetCompression(true);
}

function SetMargins($left,$top,$right=-1)
{
        //Set left, top and right margins
        $this->lMargin=$left;
        $this->tMargin=$top;
        if($right==-1)
                $right=$left;
        $this->rMargin=$right;
}

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

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

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

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

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

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

function SetTitle($title)
{
        //Title of document
        $this->title=$title;
}

function SetSubject($subject)
{
        //Subject of document
        $this->subject=$subject;
}

function SetAuthor($author)
{
        //Author of document
        $this->author=$author;
}

function SetKeywords($keywords)
{
        //Keywords of document
        $this->keywords=$keywords;
}

function SetCreator($creator)
{
        //Creator of document
        $this->creator=$creator;
}

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

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

function Open()
{
        //Begin document
        $this->_begindoc();
}

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

function AddPage($orientation='')
{
        //Start a new page
        $family=$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);
        //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
        $this->Header();
        //Restore line width
        if($this->LineWidth!=$lw)
        {
                $this->LineWidth=$lw;
                $this->_out(sprintf('%.2f w',$lw*$this->k));
        }
        //Restore font
        if($family)
                $this->SetFont($family,$style,$size);
        //Restore colors
        if($this->DrawColor!=$dc)
        {
                $this->DrawColor=$dc;
                $this->_out($dc);
        }
        if($this->FillColor!=$fc)
        {
                $this->FillColor=$fc;
                $this->_out($fc);
        }
        $this->TextColor=$tc;
        $this->ColorFlag=$cf;
}

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

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

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

function SetDrawColor($r,$g=-1,$b=-1)
{
        //Set color for all stroking operations
        if(($r==0 and $g==0 and $b==0) or $g==-1)
                $this->DrawColor=sprintf('%.3f G',$r/255);
        else
                $this->DrawColor=sprintf('%.3f %.3f %.3f RG',$r/255,$g/255,$b/255);
        if($this->page>0)
                $this->_out($this->DrawColor);
}

function SetFillColor($r,$g=-1,$b=-1)
{
        //Set color for all filling operations
        if(($r==0 and $g==0 and $b==0) or $g==-1)
                $this->FillColor=sprintf('%.3f g',$r/255);
        else
                $this->FillColor=sprintf('%.3f %.3f %.3f rg',$r/255,$g/255,$b/255);
        $this->ColorFlag=($this->FillColor!=$this->TextColor);
        if($this->page>0)
                $this->_out($this->FillColor);
}

function SetTextColor($r,$g=-1,$b=-1)
{
        //Set color for text
        if(($r==0 and $g==0 and $b==0) or $g==-1)
                $this->TextColor=sprintf('%.3f g',$r/255);
        else
                $this->TextColor=sprintf('%.3f %.3f %.3f rg',$r/255,$g/255,$b/255);
        $this->ColorFlag=($this->FillColor!=$this->TextColor);
}

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

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

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

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

function AddFont($family,$style='',$file='')
{
        //Add a TrueType or Type1 font
        $family=strtolower($family);
        if($family=='arial')
                $family='helvetica';
        $style=strtoupper($style);
        if($style=='IB')
                $style='BI';
        if(isset($this->fonts[$family.$style]))
                $this->Error('Font already added: '.$family.' '.$style);
        if($file=='')
                $file=str_replace(' ','',$family).strtolower($style).'.php';
        if(defined('FPDF_FONTPATH'))
                $file=FPDF_FONTPATH.$file;
        include($file);
        if(!isset($name))
                $this->Error('Could not include font definition file');
        $i=count($this->fonts)+1;
        $this->fonts[$family.$style]=array('i'=>$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;
                }
                $this->fonts[$family.$style]['diff']=$d;
        }
        if($file)
        {
                if($type=='TrueType')
                        $this->FontFiles[$file]=array('length1'=>$originalsize);
                else
                        $this->FontFiles[$file]=array('length1'=>$size1,'length2'=>$size2);
        }
}

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' or $family=='zapfdingbats')
                $style='';
        $style=strtoupper($style);
        if(is_int(strpos($style,'U')))
        {
                $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 and $this->FontStyle==$style and $this->FontSizePt==$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' or $family=='helvetica')
                                        $file.=strtolower($style);
                                $file.='.php';
                                if(defined('FPDF_FONTPATH'))
                                        $file=FPDF_FONTPATH.$file;
                                include($file);
                                if(!isset($fpdf_charwidths[$fontkey]))
                                        $this->Error('Could not include font metric file');
                        }
                        $i=count($this->fonts)+1;
                        $this->fonts[$fontkey]=array('i'=>$i,'type'=>'core','name'=>$this->CoreFonts[$fontkey],'up'=>-100,'ut'=>50,'cw'=>$fpdf_charwidths[$fontkey]);
                }
                else
                        $this->Error('Undefined font: '.$family.' '.$style);
        }
        //Select it
        $this->FontFamily=$family;
        $this->FontStyle=$style;
        $this->FontSizePt=$size;
        $this->FontSize=$size/$this->k;
        $this->CurrentFont=&$this->fonts[$fontkey];
        if($this->page>0)
                $this->_out(sprintf('BT /F%d %.2f Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
}

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

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

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

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

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

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

function Cell($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0,$link='')
{
        //Output a cell
        $k=$this->k;
        if($this->y+$h>$this->PageBreakTrigger and !$this->InFooter and $this->AcceptPageBreak())
        {
                $x=$this->x;
                $ws=$this->ws;
                if($ws>0)
                {
                        $this->ws=0;
                        $this->_out('0 Tw');
                }
                $this->AddPage($this->CurOrientation);
                $this->x=$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==1 or $border==1)
        {
                if($fill==1)
                        $op=($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(is_int(strpos($border,'L')))
                        $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);
                if(is_int(strpos($border,'T')))
                        $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);
                if(is_int(strpos($border,'R')))
                        $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
                if(is_int(strpos($border,'B')))
                        $s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$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;
                $txt=str_replace(')','\\)',str_replace('(','\\(',str_replace('\\','\\\\',$txt)));
                if($this->ColorFlag)
                        $s.='q '.$this->TextColor.' ';
                $s.=sprintf('BT %.2f %.2f Td (%s) Tj ET',($this->x+$dx)*$k,($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,$txt);
                if($this->underline)
                        $s.=' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);
                if($this->ColorFlag)
                        $s.=' Q';
                if($link)
                        $this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetStringWidth($txt),$this->FontSize,$link);
        }
        if($s)
                $this->_out($s);
        $this->lasth=$h;
        if($ln>0)
        {
                //Go to next line
                $this->y+=$h;
                if($ln==1)
                        $this->x=$this->lMargin;
        }
        else
                $this->x+=$w;
}

function MultiCell($w,$h,$txt,$border=0,$align='J',$fill=0)
{
        //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 and $s[$nb-1]=="\n")
                $nb--;
        $b=0;
        if($border)
        {
                if($border==1)
                {
                        $border='LTRB';
                        $b='LRT';
                        $b2='LR';
                }
                else
                {
                        $b2='';
                        if(is_int(strpos($border,'L')))
                                $b2.='L';
                        if(is_int(strpos($border,'R')))
                                $b2.='R';
                        $b=is_int(strpos($border,'T')) ? $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 and $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 and $nl==2)
                                $b=$b2;
                }
                else
                        $i++;
        }
        //Last chunk
        if($this->ws>0)
        {
                $this->ws=0;
                $this->_out('0 Tw');
        }
        if($border and is_int(strpos($border,'B')))
                $b.='B';
        $this->Cell($w,$h,substr($s,$j,$i),$b,2,$align,$fill);
        $this->x=$this->lMargin;
}

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;
                        $ls=$l;
                }
                $l+=$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,$i),0,0,'',0,$link);
}

function Image($file,$x,$y,$w,$h=0,$type='',$link='')
{
        //Put an image on the page
        if(!isset($this->images[$file]))
        {
                //First use of image, get info
                if($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);
                $mqr=get_magic_quotes_runtime();
                set_magic_quotes_runtime(0);
                if($type=='jpg' or $type=='jpeg')
                        $info=$this->_parsejpg($file);
                elseif($type=='png')
                        $info=$this->_parsepng($file);
                else
                        $this->Error('Unsupported image file type: '.$type);
                set_magic_quotes_runtime($mqr);
                $info['i']=count($this->images)+1;
                $this->images[$file]=$info;
        }
        else
                $info=$this->images[$file];
        //Automatic width or height calculation
        if($w==0)
                $w=$h*$info['w']/$info['h'];
        if($h==0)
                $h=$w*$info['h']/$info['w'];
        $this->_out(sprintf('q %.2f 0 0 %.2f %.2f %.2f cm /I%d Do Q',$w*$this->k,$h*$this->k,$x*$this->k,($this->h-($y+$h))*$this->k,$info['i']));
        if($link)
                $this->Link($x,$y,$w,$h,$link);
}

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

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

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

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

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

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

function Output($file='',$download=false)
{
        //Output PDF to file or browser
        global $HTTP_ENV_VARS;

        if($this->state<3)
                $this->Close();
        if($file=='')
        {
                //Send to browser
                Header('Content-Type: application/pdf');
                if(headers_sent())
                        $this->Error('Some data has already been output to browser, can\'t send PDF file');
                Header('Content-Length: '.strlen($this->buffer));
                Header('Content-disposition: inline; filename=doc.pdf');
                echo $this->buffer;
        }
        else
        {
                if($download)
                {
                        //Download file
                        if(isset($HTTP_ENV_VARS['HTTP_USER_AGENT']) and strpos($HTTP_ENV_VARS['HTTP_USER_AGENT'],'MSIE 5.5'))
                                Header('Content-Type: application/dummy');
                        else
                                Header('Content-Type: application/octet-stream');
                        if(headers_sent())
                                $this->Error('Some data has already been output to browser, can\'t send PDF file');
                        Header('Content-Length: '.strlen($this->buffer));
                        Header('Content-disposition: attachment; filename='.$file);
                        echo $this->buffer;
                }
                else
                {
                        //Save file locally
                        $f=fopen($file,'wb');
                        if(!$f)
                                $this->Error('Unable to create output file: '.$file);
                        fwrite($f,$this->buffer,strlen($this->buffer));
                        fclose($f);
                }
        }
}

/****************************************************************************
*                                                                           *
*                              Private methods                              *
*                                                                           *
****************************************************************************/
function _begindoc()
{
        //Start document
        $this->state=1;
        $this->_out('%PDF-1.3');
}

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->fwPt;
                $hPt=$this->fhPt;
        }
        else
        {
                $wPt=$this->fhPt;
                $hPt=$this->fwPt;
        }
        $filter=($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->OrientationChanges[$n]))
                        $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$hPt,$wPt));
                $this->_out('/Resources 2 0 R');
                if(isset($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->OrientationChanges[$l[0]]) ? $wPt : $hPt;
                                        $annots.=sprintf('/Dest [%d 0 R /XYZ 0 %.2f null]>>',1+2*$l[0],$h-$l[1]*$this->k);
                                }
                        }
                        $this->_out($annots.']');
                }
                $this->_out('/Contents '.($this->n+1).' 0 R>>');
                $this->_out('endobj');
                //Page content
                $p=($this->compress) ? gzcompress($this->pages[$n]) : $this->pages[$n];
                $this->_newobj();
                $this->_out('<<'.$filter.'/Length '.strlen($p).'>>');
                $this->_putstream($p);
                $this->_out('endobj');
        }
        //Pages root
        $this->offsets[1]=strlen($this->buffer);
        $this->_out('1 0 obj');
        $this->_out('<</Type /Pages');
        $kids='/Kids [';
        for($i=0;$i<$nb;$i++)
                $kids.=(3+2*$i).' 0 R ';
        $this->_out($kids.']');
        $this->_out('/Count '.$nb);
        $this->_out(sprintf('/MediaBox [0 0 %.2f %.2f]',$wPt,$hPt));
        $this->_out('>>');
        $this->_out('endobj');
}

function _putfonts()
{
        $nf=$this->n;
        foreach($this->diffs as $diff)
        {
                //Encodings
                $this->_newobj();
                $this->_out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$diff.']>>');
                $this->_out('endobj');
        }
        $mqr=get_magic_quotes_runtime();
        set_magic_quotes_runtime(0);
        foreach($this->FontFiles as $file=>$info)
        {
                //Font file embedding
                $this->_newobj();
                $this->FontFiles[$file]['n']=$this->n;
                if(defined('FPDF_FONTPATH'))
                        $file=FPDF_FONTPATH.$file;
                $size=filesize($file);
                if(!$size)
                        $this->Error('Font file not found');
                $this->_out('<</Length '.$size);
                if(substr($file,-2)=='.z')
                        $this->_out('/Filter /FlateDecode');
                $this->_out('/Length1 '.$info['length1']);
                if(isset($info['length2']))
                        $this->_out('/Length2 '.$info['length2'].' /Length3 0');
                $this->_out('>>');
                $f=fopen($file,'rb');
                $this->_putstream(fread($f,$size));
                fclose($f);
                $this->_out('endobj');
        }
        set_magic_quotes_runtime($mqr);
        foreach($this->fonts as $k=>$font)
        {
                //Font objects
                $this->_newobj();
                $this->fonts[$k]['n']=$this->n;
                $name=$font['name'];
                $this->_out('<</Type /Font');
                $this->_out('/BaseFont /'.$name);
                if($font['type']=='core')
                {
                        //Standard font
                        $this->_out('/Subtype /Type1');
                        if($name!='Symbol' and $name!='ZapfDingbats')
                                $this->_out('/Encoding /WinAnsiEncoding');
                }
                else
                {
                        //Additional font
                        $this->_out('/Subtype /'.$font['type']);
                        $this->_out('/FirstChar 32');
                        $this->_out('/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('>>');
                $this->_out('endobj');
                if($font['type']!='core')
                {
                        //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)
                                $s.=' /FontFile'.($font['type']=='Type1' ? '' : '2').' '.$this->FontFiles[$file]['n'].' 0 R';
                        $this->_out($s.'>>');
                        $this->_out('endobj');
                }
        }
}

function _putimages()
{
        $filter=($this->compress) ? '/Filter /FlateDecode ' : '';
        foreach($this->images as $file=>$info)
        {
                $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']);
                $this->_out('/Filter /'.$info['f']);
                if(isset($info['parms']))
                        $this->_out($info['parms']);
                if(isset($info['trns']) and is_array($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']);
                $this->_out('endobj');
                //Palette
                if($info['cs']=='Indexed')
                {
                        $this->_newobj();
                        $pal=($this->compress) ? gzcompress($info['pal']) : $info['pal'];
                        $this->_out('<<'.$filter.'/Length '.strlen($pal).'>>');
                        $this->_putstream($pal);
                        $this->_out('endobj');
                }
        }
}

function _putresources()
{
        $this->_putfonts();
        $this->_putimages();
        //Resource dictionary
        $this->offsets[2]=strlen($this->buffer);
        $this->_out('2 0 obj');
        $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');
        $this->_out('>>');
        if(count($this->images))
        {
                $this->_out('/XObject <<');
                foreach($this->images as $image)
                        $this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
                $this->_out('>>');
        }
        $this->_out('>>');
        $this->_out('endobj');
}

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

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

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

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

function _beginpage($orientation)
{
        $this->page++;
        $this->pages[$this->page]='';
        $this->state=2;
        $this->x=$this->lMargin;
        $this->y=$this->tMargin;
        $this->lasth=0;
        $this->FontFamily='';
        //Page orientation
        if(!$orientation)
                $orientation=$this->DefOrientation;
        else
        {
                $orientation=strtoupper($orientation{0});
                if($orientation!=$this->DefOrientation)
                        $this->OrientationChanges[$this->page]=true;
        }
        if($orientation!=$this->CurOrientation)
        {
                //Change orientation
                if($orientation=='P')
                {
                        $this->wPt=$this->fwPt;
                        $this->hPt=$this->fhPt;
                        $this->w=$this->fw;
                        $this->h=$this->fh;
                }
                else
                {
                        $this->wPt=$this->fhPt;
                        $this->hPt=$this->fwPt;
                        $this->w=$this->fh;
                        $this->h=$this->fw;
                }
                $this->PageBreakTrigger=$this->h-$this->bMargin;
                $this->CurOrientation=$orientation;
        }
}

function _endpage()
{
        //End of page contents
        $this->state=1;
}

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

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

function _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']) or $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');
        $data=fread($f,filesize($file));
        fclose($f);
        return array('w'=>$a[0],'h'=>$a[1],'cs'=>$colspace,'bpc'=>$bpc,'f'=>'DCTDecode','data'=>$data);
}

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(fread($f,8)!=chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10))
                $this->Error('Not a PNG file: '.$file);
        //Read header chunk
        fread($f,4);
        if(fread($f,4)!='IHDR')
                $this->Error('Incorrect PNG file: '.$file);
        $w=$this->_freadint($f);
        $h=$this->_freadint($f);
        $bpc=ord(fread($f,1));
        if($bpc>8)
                $this->Error('16-bit depth not supported: '.$file);
        $ct=ord(fread($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(fread($f,1))!=0)
                $this->Error('Unknown compression method: '.$file);
        if(ord(fread($f,1))!=0)
                $this->Error('Unknown filter method: '.$file);
        if(ord(fread($f,1))!=0)
                $this->Error('Interlacing not supported: '.$file);
        fread($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->_freadint($f);
                $type=fread($f,4);
                if($type=='PLTE')
                {
                        //Read palette
                        $pal=fread($f,$n);
                        fread($f,4);
                }
                elseif($type=='tRNS')
                {
                        //Read transparency info
                        $t=fread($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(is_int($pos))
                                        $trns=array($pos);
                        }
                        fread($f,4);
                }
                elseif($type=='IDAT')
                {
                        //Read image data block
                        $data.=fread($f,$n);
                        fread($f,4);
                }
                elseif($type=='IEND')
                        break;
                else
                        fread($f,$n+4);
        }
        while($n);
        if($colspace=='Indexed' and empty($pal))
                $this->Error('Missing palette in '.$file);
        fclose($f);
        return array('w'=>$w,'h'=>$h,'cs'=>$colspace,'bpc'=>$bpc,'f'=>'FlateDecode','parms'=>$parms,'pal'=>$pal,'trns'=>$trns,'data'=>$data);
}

function _freadint($f)
{
        //Read a 4-byte integer from file
        $i=ord(fread($f,1))<<24;
        $i+=ord(fread($f,1))<<16;
        $i+=ord(fread($f,1))<<8;
        $i+=ord(fread($f,1));
        return $i;
}

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

function _escape($s)
{
        //Add \ before \, ( and )
        return str_replace(')','\\)',str_replace('(','\\(',str_replace('\\','\\\\',$s)));
}

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

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

//Handle silly IE contype request
if(isset($HTTP_ENV_VARS['HTTP_USER_AGENT']) and $HTTP_ENV_VARS['HTTP_USER_AGENT']=='contype')
{
        Header('Content-Type: application/pdf');
        exit;
}

?>