Fatal error: Call to undefined method PDF_MC_Table::BarDiagram()

<?php
require('diag.php');


class PDF_MC_Table extends FPDF
{
var $widths;
var $aligns;

function SetWidths($w)
{
    //Set the array of column widths
    $this->widths=$w;
}

function SetAligns($a)
{
    //Set the array of column alignments
    $this->aligns=$a;
}

function Row($data)
{
    //Calculate the height of the row
    $nb=0;
    for($i=0;$i<count($data);$i++)
        $nb=max($nb,$this->NbLines($this->widths[$i],$data[$i]));
    $h=5*$nb;
    //Issue a page break first if needed
    $this->CheckPageBreak($h);
    //Draw the cells of the row
    for($i=0;$i<count($data);$i++)
    {
        $w=$this->widths[$i];
        $a=isset($this->aligns[$i]) ? $this->aligns[$i] : 'L';
        //Save the current position
        $x=$this->GetX();
        $y=$this->GetY();
        //Draw the border
        $this->Rect($x,$y,$w,$h);
        //Print the text
        $this->MultiCell($w,5,$data[$i],0,$a);
        //Put the position to the right of the cell
        $this->SetXY($x+$w,$y);
    }
    //Go to the next line
    $this->Ln($h);
}

function CheckPageBreak($h)
{
    //If the height h would cause an overflow, add a new page immediately
    if($this->GetY()+$h>$this->PageBreakTrigger)
        $this->AddPage($this->CurOrientation);
}

function NbLines($w,$txt)
{
    //Computes the number of lines a MultiCell of width w will take
    $cw=&$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--;
    $sep=-1;
    $i=0;
    $j=0;
    $l=0;
    $nl=1;
    while($i<$nb)
    {
        $c=$s[$i];
        if($c=="\n")
        {
            $i++;
            $sep=-1;
            $j=$i;
            $l=0;
            $nl++;
            continue;
        }
        if($c==' ')
            $sep=$i;
        $l+=$cw[$c];
        if($l>$wmax)
        {
            if($sep==-1)
            {
                if($i==$j)
                    $i++;
            }
            else
                $i=$sep+1;
            $sep=-1;
            $j=$i;
            $l=0;
            $nl++;
        }
        else
            $i++;
    }
    return $nl;
}
}

?>

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<?php
require('sector.php');

class PDF_Diag extends PDF_Sector {
	var $legends;
	var $wLegend;
	var $sum;
	var $NbVal;

	function PieChart($w, $h, $data, $format, $colors=null)
	{
		$this->SetFont('Courier', '', 10);
		$this->SetLegends($data,$format);

		$XPage = $this->GetX();
		$YPage = $this->GetY();
		$margin = 2;
		$hLegend = 5;
		$radius = min($w - $margin * 4 - $hLegend - $this->wLegend, $h - $margin * 2);
		$radius = floor($radius / 2);
		$XDiag = $XPage + $margin + $radius;
		$YDiag = $YPage + $margin + $radius;
		if($colors == null) {
			for($i = 0; $i < $this->NbVal; $i++) {
				$gray = $i * intval(255 / $this->NbVal);
				$colors[$i] = array($gray,$gray,$gray);
			}
		}

		//Sectors
		$this->SetLineWidth(0.2);
		$angleStart = 0;
		$angleEnd = 0;
		$i = 0;
		foreach($data as $val) {
			$angle = ($val * 360) / doubleval($this->sum);
			if ($angle != 0) {
				$angleEnd = $angleStart + $angle;
				$this->SetFillColor($colors[$i][0],$colors[$i][1],$colors[$i][2]);
				$this->Sector($XDiag, $YDiag, $radius, $angleStart, $angleEnd);
				$angleStart += $angle;
			}
			$i++;
		}

		//Legends
		$this->SetFont('Courier', '', 10);
		$x1 = $XPage + 2 * $radius + 4 * $margin;
		$x2 = $x1 + $hLegend + $margin;
		$y1 = $YDiag - $radius + (2 * $radius - $this->NbVal*($hLegend + $margin)) / 2;
		for($i=0; $i<$this->NbVal; $i++) {
			$this->SetFillColor($colors[$i][0],$colors[$i][1],$colors[$i][2]);
			$this->Rect($x1, $y1, $hLegend, $hLegend, 'DF');
			$this->SetXY($x2,$y1);
			$this->Cell(0,$hLegend,$this->legends[$i]);
			$y1+=$hLegend + $margin;
		}
	}

	function BarDiagram($w, $h, $data, $format, $color=null, $maxVal=0, $nbDiv=4)
	{
		$this->SetFont('Courier', '', 10);
		$this->SetLegends($data,$format);

		$XPage = $this->GetX();
		$YPage = $this->GetY();
		$margin = 2;
		$YDiag = $YPage + $margin;
		$hDiag = floor($h - $margin * 2);
		$XDiag = $XPage + $margin * 2 + $this->wLegend;
		$lDiag = floor($w - $margin * 3 - $this->wLegend);
		if($color == null)
			$color=array(155,155,155);
		if ($maxVal == 0) {
			$maxVal = max($data);
		}
		$valIndRepere = ceil($maxVal / $nbDiv);
		$maxVal = $valIndRepere * $nbDiv;
		$lRepere = floor($lDiag / $nbDiv);
		$lDiag = $lRepere * $nbDiv;
		$unit = $lDiag / $maxVal;
		$hBar = floor($hDiag / ($this->NbVal + 1));
		$hDiag = $hBar * ($this->NbVal + 1);
		$eBaton = floor($hBar * 80 / 100);

		$this->SetLineWidth(0.2);
		$this->Rect($XDiag, $YDiag, $lDiag, $hDiag);

		$this->SetFont('Courier', '', 10);
		$this->SetFillColor($color[0],$color[1],$color[2]);
		$i=0;
		foreach($data as $val) {
			//Bar
			$xval = $XDiag;
			$lval = (int)($val * $unit);
			$yval = $YDiag + ($i + 1) * $hBar - $eBaton / 2;
			$hval = $eBaton;
			$this->Rect($xval, $yval, $lval, $hval, 'DF');
			//Legend
			$this->SetXY(0, $yval);
			$this->Cell($xval - $margin, $hval, $this->legends[$i],0,0,'R');
			$i++;
		}

		//Scales
		for ($i = 0; $i <= $nbDiv; $i++) {
			$xpos = $XDiag + $lRepere * $i;
			$this->Line($xpos, $YDiag, $xpos, $YDiag + $hDiag);
			$val = $i * $valIndRepere;
			$xpos = $XDiag + $lRepere * $i - $this->GetStringWidth($val) / 2;
			$ypos = $YDiag + $hDiag - $margin;
			$this->Text($xpos, $ypos, $val);
		}
	}

	function SetLegends($data, $format)
	{
		$this->legends=array();
		$this->wLegend=0;
		$this->sum=array_sum($data);
		$this->NbVal=count($data);
		foreach($data as $l=>$val)
		{
			$p=sprintf('%.2f',$val/$this->sum*100).'%';
			$legend=str_replace(array('%l','%v','%p'),array($l,$val,$p),$format);
			$this->legends[]=$legend;
			$this->wLegend=max($this->GetStringWidth($legend),$this->wLegend);
		}
	}
}
?>

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<?php
require('fpdf.php');

class PDF_Sector extends FPDF
{
	function Sector($xc, $yc, $r, $a, $b, $style='FD', $cw=true, $o=90)
	{
		$d0 = $a - $b;
		if($cw){
			$d = $b;
			$b = $o - $a;
			$a = $o - $d;
		}else{
			$b += $o;
			$a += $o;
		}
		while($a<0)
			$a += 360;
		while($a>360)
			$a -= 360;
		while($b<0)
			$b += 360;
		while($b>360)
			$b -= 360;
		if ($a > $b)
			$b += 360;
		$b = $b/360*2*M_PI;
		$a = $a/360*2*M_PI;
		$d = $b - $a;
		if ($d == 0 && $d0 != 0)
			$d = 2*M_PI;
		$k = $this->k;
		$hp = $this->h;
		if (sin($d/2))
			$MyArc = 4/3*(1-cos($d/2))/sin($d/2)*$r;
		else
			$MyArc = 0;
		//first put the center
		$this->_out(sprintf('%.2F %.2F m',($xc)*$k,($hp-$yc)*$k));
		//put the first point
		$this->_out(sprintf('%.2F %.2F l',($xc+$r*cos($a))*$k,(($hp-($yc-$r*sin($a)))*$k)));
		//draw the arc
		if ($d < M_PI/2){
			$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
						$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
						$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
						$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
						$xc+$r*cos($b),
						$yc-$r*sin($b)
						);
		}else{
			$b = $a + $d/4;
			$MyArc = 4/3*(1-cos($d/8))/sin($d/8)*$r;
			$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
						$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
						$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
						$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
						$xc+$r*cos($b),
						$yc-$r*sin($b)
						);
			$a = $b;
			$b = $a + $d/4;
			$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
						$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
						$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
						$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
						$xc+$r*cos($b),
						$yc-$r*sin($b)
						);
			$a = $b;
			$b = $a + $d/4;
			$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
						$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
						$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
						$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
						$xc+$r*cos($b),
						$yc-$r*sin($b)
						);
			$a = $b;
			$b = $a + $d/4;
			$this->_Arc($xc+$r*cos($a)+$MyArc*cos(M_PI/2+$a),
						$yc-$r*sin($a)-$MyArc*sin(M_PI/2+$a),
						$xc+$r*cos($b)+$MyArc*cos($b-M_PI/2),
						$yc-$r*sin($b)-$MyArc*sin($b-M_PI/2),
						$xc+$r*cos($b),
						$yc-$r*sin($b)
						);
		}
		//terminate drawing
		if($style=='F')
			$op='f';
		elseif($style=='FD' || $style=='DF')
			$op='b';
		else
			$op='s';
		$this->_out($op);
	}

	function _Arc($x1, $y1, $x2, $y2, $x3, $y3 )
	{
		$h = $this->h;
		$this->_out(sprintf('%.2F %.2F %.2F %.2F %.2F %.2F c',
			$x1*$this->k,
			($h-$y1)*$this->k,
			$x2*$this->k,
			($h-$y2)*$this->k,
			$x3*$this->k,
			($h-$y3)*$this->k));
	}
}
?>

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