AnonymousFox

/home/zrcdevco/www/zrc-email-program/fpdf16/fpdf.php

<?php
/*******************************************************************************
* FPDF                                                                         *
*                                                                              *
* Version: 1.6                                                                 *
* Date:    2008-08-03                                                          *
* Author:  Olivier PLATHEY                                                     *
*******************************************************************************/

define('FPDF_VERSION','1.6');

class FPDF
{
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 $k;                  //scale factor (number of points in user unit)
var $DefOrientation;     //default orientation
var $CurOrientation;     //current orientation
var $PageFormats;        //available page formats
var $DefPageFormat;      //default page format
var $CurPageFormat;      //current page format
var $PageSizes;          //array storing non-default page sizes
var $wPt,$hPt;           //dimensions of current page in points
var $w,$h;               //dimensions of current 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
var $lasth;              //height of last printed cell
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 $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 $images;             //array of used images
var $PageLinks;          //array of links in pages
var $links;              //array of internal links
var $AutoPageBreak;      //automatic page breaking
var $PageBreakTrigger;   //threshold used to trigger page breaks
var $InHeader;           //flag set when processing header
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 $PDFVersion;         //PDF version number

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

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

function SetLeftMargin($margin)
{
	//Set left margin
	$this->lMargin=$margin;
	if($this->page>0 && $this->x<$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' || $zoom=='fullwidth' || $zoom=='real' || $zoom=='default' || !is_string($zoom))
		$this->ZoomMode=$zoom;
	else
		$this->Error('Incorrect zoom display mode: '.$zoom);
	if($layout=='single' || $layout=='continuous' || $layout=='two' || $layout=='default')
		$this->LayoutMode=$layout;
	else
		$this->Error('Incorrect layout display mode: '.$layout);
}

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

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

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

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

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

function SetCreator($creator, $isUTF8=false)
{
	//Creator of document
	if($isUTF8)
		$creator=$this->_UTF8toUTF16($creator);
	$this->creator=$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->state=1;
}

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

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

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

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

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

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

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

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

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);
}

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

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

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

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

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

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

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']) || $a['channels']==3)
		$colspace='DeviceRGB';
	elseif($a['channels']==4)
		$colspace='DeviceCMYK';
	else
		$colspace='DeviceGray';
	$bpc=isset($a['bits']) ? $a['bits'] : 8;
	//Read whole file
	$f=fopen($file,'rb');
	$data='';
	while(!feof($f))
		$data.=fread($f,8192);
	fclose($f);
	return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);
}

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

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

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

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

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";
}

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

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

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

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

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

//Handle special IE contype request
if(isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT']=='contype')
{
	header('Content-Type: application/pdf');
	exit;
}