<?php
/*******************************************************************************
* Software: FPDF                                                               *
* Version:  1.52(modified)                                                     *
* Date:     2003-12-30                                                         *
* Author:   Olivier PLATHEY                                                    *
* License:  Freeware                                                           *
*                                                                              *
* You may use, modify and redistribute this software as you wish.              *
*******************************************************************************/

// Modified by Renato A.C. [html2fpdf.sf.net]
// (look for 'EDITEI' in the code)

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

class FPDF
{
//Private properties
var $DisplayPreferences=''; //EDITEI - added
var $outlines=array(); //EDITEI - added
var $OutlineRoot; //EDITEI - added
var $flowingBlockAttr; //EDITEI - added
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

/*******************************************************************************
*                                                                              *
*                               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;