<?php
require_once './lib/phpchartdir.php'; 

# The data for the line chart
$data = unserialize(urldecode($_REQUEST['data']));
$unite = isset($_REQUEST['unite']) ? $_REQUEST['unite'] : 'KEUROS';
$firephp->log($data,'data');
foreach($data as $value){
	$dataX[] = $value['value'];	
	//$jour = substr($value['date'],6,2);
	//$mois = substr($value['date'],4,2);
	//$annee = substr($value['date'],0,4);
	$labelsX[] = substr($value['date'],0,4);
}

$i=-100;
while($i>100){	$labelsY[] = $i;}

# Create a XYChart object of size 250 x 250 pixels
$c = new XYChart(350, 250);

$c->setPlotArea(50, 10, 280, 200);
$c->yAxis->setTitle($unite); 
$c->xAxis->setTitle("Années"); 
$c->xAxis->setWidth(2); 
$c->yAxis->setWidth(2); 

$c->addLineLayer($dataX);
# Set the labels.
$c->yAxis->setLabels($labelsY);
$c->yAxis->setLabelStep(10);
$c->xAxis->setLabels($labelsX);

# Output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));

?>