<?php
/*******************************************************************************
 * Last modification  : 04/04/2005
* Logiciel : FPDF                                                              *
* Version :  1.52                                                              *
* Date :     30/12/2003                                                        *
* Auteur :   Olivier PLATHEY                                                   *
* Licence :  Freeware                                                          *
*                                                                              *
* Vous pouvez utiliser et modifier ce logiciel comme vous le souhaitez.        *
*******************************************************************************/

if(!class_exists('FPDF'))
{
define('FPDF_VERSION','1.52');

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 $k;                  //scale factor (number of points in user unit)
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 $w,$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 positioning
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

var $B;			// texte gras
var $I;			// texte italique
var $U;			// texte souligné
var $HREF;		// lien

/*******************************************************************************
*                                                                              *
*                               Public methods                                 *
*                                                                              *
*******************************************************************************/
function FPDF($orientation='P',$unit='mm',$format='A4')
{
    //Some checks
    $this->_dochecks();
    //Initialization of properties
    $this->page=0;
    $this->n=2;
    $this->buffer='';
    $this->pages=array();
    $this->OrientationChanges=array();
    $this->state=0;
    $this->fonts=array();
    $this->FontFiles=array();
    $this->diffs=array();
    $this->images=array();
    $this->links=array();
    $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
    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;
    else
        $this->Error('Incorrect zoom display mode: '.$zoom);
    if($layout=='single' or $layout=='continuous' or $layout=='two' or $layout=='default')
        $this->LayoutMode=$layout;
    else
        $this->Error('Incorrect layout display mode: '.$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
    if($this->state==0)
        $this->_begindoc();
}

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();
}

function AddPage($orientation='')
{
    //Start a new page
    if($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);
    //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)
{
	// Ajout suite au souci sur l'encodage utf8 (merci à l'académie de Guyane)
    if (getSettingValue('decode_pdf_utf8 unicode') == 'y') {
    	$txt = utf8_decode($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 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='')
{
	// Ajout suite au souci sur l'encodage utf8 (merci à l'académie de Guyane)
    if (getSettingValue('decode_pdf_utf8 unicode') == 'y') {
    	$txt = utf8_decode($txt);
    }
    //Output a cell
    $k=$this->k;
    if($this->y+$h>$this->PageBreakTrigger and !$this->InFooter and $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);
        $this->x=$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;
        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;
}

function MultiCell($w,$h,$txt,$border=0,$align='J',$fill=0)
{
	// Ajout suite au souci sur l'encodage utf8 (merci à l'académie de Guyane)
    if (getSettingValue('decode_pdf_utf8 unicode') == 'y') {
    	$txt = utf8_decode($txt);
    }
    //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-$j),$b,2,$align,$fill);
    $this->x=$this->lMargin;
}

function Write($h,$txt,$link='')
{
	// Ajout suite au souci sur l'encodage utf8 (merci à l'académie de Guyane)
    if (getSettingValue('decode_pdf_utf8 unicode') == 'y') {
    	$txt = utf8_decode($txt);
    }
    //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);
}

function WriteHTML($html)
{
    //Parseur HTML
    $html=str_replace("\n",' ',$html);
    $a=preg_split('/<(.*)>/U',$html,-1,PREG_SPLIT_DELIM_CAPTURE);
    foreach($a as $i=>$e)
    {
        if($i%2==0)
        {
            //Texte
            if($this->HREF)
                $this->PutLink($this->HREF,$e);
            else
                $this->Write(5,$e);
        }
        else
        {
            //Balise
            if($e{0}=='/')
                $this->CloseTag(strtoupper(substr($e,1)));
            else
            {
                //Extraction des attributs
                $a2=explode(' ',$e);
                $tag=strtoupper(array_shift($a2));
                $attr=array();
                foreach($a2 as $v)
                    if(ereg('^([^=]*)=["\']?([^"\']*)["\']?$',$v,$a3))
                        $attr[strtoupper($a3[1])]=$a3[2];
                $this->OpenTag($tag,$attr);
            }
        }
    }
}

function OpenTag($tag,$attr)
{
    //Balise ouvrante
    if($tag=='B' or $tag=='I' or $tag=='U')
        $this->SetStyle($tag,true);
    if($tag=='A')
        $this->HREF=$attr['HREF'];
    if($tag=='BR')
        $this->Ln(5);
}

function CloseTag($tag)
{
    //Balise fermante
    if($tag=='B' or $tag=='I' or $tag=='U')
        $this->SetStyle($tag,false);
    if($tag=='A')
        $this->HREF='';
}

function SetStyle($tag,$enable)
{
    //Modifie le style et sélectionne la police correspondante
    $this->$tag+=($enable ? 1 : -1);
    $style='';
    foreach(array('B','I','U') as $s)
        if($this->$s>0)
            $style.=$s;
    $this->SetFont('',$style);
}

function PutLink($URL,$txt)
{
    //Place un hyperlien
    $this->SetTextColor(0,0,255);
    $this->SetStyle('U',true);
    $this->Write(5,$txt,$URL);
    $this->SetStyle('U',false);
    $this->SetTextColor(0);
}

function Image($file,$x,$y,$w=0,$h=0,$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
        {
            //Allow for additional formats
            $mtd='_parse'.$type;
            if(!method_exists($this,$mtd))
                $this->Error('Unsupported image type: '.$type);
            $info=$this->$mtd($file);
        }
        set_magic_quotes_runtime($mqr);
        $info['i']=count($this->images)+1;
        $this->images[$file]=$info;
    }
    else
        $info=$this->images[$file];
    //Automatic width and height calculation if needed
    if($w==0 and $h==0)
    {
        //Put image at 72 dpi
        $w=$info['w']/$this->k;
        $h=$info['h']/$this->k;
    }
    if($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($name='',$dest='')
{
    //Output PDF to some destination
    global $HTTP_SERVER_VARS;

    //Finish document if necessary
    if($this->state<3)
        $this->Close();
    //Normalize parameters
    if(is_bool($dest))
        $dest=$dest ? 'D' : 'F';
    $dest=strtoupper($dest);
    if($dest=='')
    {
        if($name=='')
        {
            $name='doc.pdf';
            $dest='I';
        }
        else
            $dest='F';
    }
    switch($dest)
    {
        case 'I':
            //Send to standard output
            if(isset($HTTP_SERVER_VARS['SERVER_NAME']))
            {
                //We send to a 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='.$name);
            }
            echo $this->buffer;
            break;
        case 'D':
            //Download file
            if(isset($HTTP_SERVER_VARS['HTTP_USER_AGENT']) and strpos($HTTP_SERVER_VARS['HTTP_USER_AGENT'],'MSIE'))
                Header('Content-Type: application/force-download');
            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='.$name);
            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                               *
*                                                                              *
*******************************************************************************/
function _dochecks()
{
    //Check for locale-related bug
    if(1.1==1)
        $this->Error('Don\'t alter the locale before including class file');
    //Check for decimal separator
    if(sprintf('%.1f',1.0)!='1.0')
        setlocale(LC_NUMERIC,'C');
}

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
        $this->fonts[$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' and $name!='ZapfDingbats')
                $this->_out('/Encoding /WinAnsiEncoding');
            $this->_out('>>');
            $this->_out('endobj');
        }
        elseif($type=='Type1' or $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);
        }
    }
}

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']);
        $this->_out('/Filter /'.$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']);
        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');
        }
    }
}

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;
    $this->FontFamily='';
    //Page orientation
    if(!$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');
    $data='';
    while(!feof($f))
        $data.=fread($f,4096);
    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 special IE contype request
if(isset($HTTP_SERVER_VARS['HTTP_USER_AGENT']) and $HTTP_SERVER_VARS['HTTP_USER_AGENT']=='contype')
{
    Header('Content-Type: application/pdf');
    exit;
}

}
?>
