<?php /**
* File : graphs.php
*
* Draw the graphic using the class graphics
*
* @package Maarch LetterBox 2.3
* @version 1.0
* @since 06/2007
* @license GPL
* @author  Claire Figueras  <dev@maarch.org>
*/   
  include("session.php");
  
require_once("class_graphics.php");

$graphi = new graphics();

$title = "";
if(!empty($_REQUEST['titre']) && isset($_REQUEST['titre']))
{
	$title = $_REQUEST['titre'];
}

$width = 500;
if(isset($_REQUEST['largeur']) && !empty($_REQUEST['largeur']))
{
	$width = $_REQUEST['largeur'];
}

$height = 500;
if(isset($_REQUEST['hauteur']) && !empty($_REQUEST['hauteur']))
{
	$height = $_REQUEST['hauteur'];
}

$margin_bottom = 80;
if(isset($_REQUEST['marge_bas']) && !empty($_REQUEST['marge_bas']))
{
	$margin_bottom = $_REQUEST['marge_bas'];
}

$labelX = "";
if(isset($_REQUEST['labelX']) && !empty($_REQUEST['labelX']))
{
	$labelX = $_REQUEST['labelX'];
}

$labelY = "";
if(isset($_REQUEST['labelY']) && !empty($_REQUEST['labelY']))
{
	$labelY = $_REQUEST['labelY'];
}

$plot1_legend = "";
if(isset($_REQUEST['plot1_legend']) && !empty($_REQUEST['plot1_legend']))
{
	$plot1_legend = $_REQUEST['plot1_legend'];
}

$plot2_legend = "";
if(isset($_REQUEST['plot2_legend']) && !empty($_REQUEST['plot2_legend']))
{
	$plot2_legend = $_REQUEST['plot2_legend'];
}

if(isset($_SESSION['tmp_graph']['values']))
{
	$values = $_SESSION['tmp_graph']['values'];
	
	if( !is_array($values) || count($values) == 0 )
	{
		echo "Error";
		exit();
	}
}

$courbe2 = array();
if(isset($_SESSION['tmp_graph']['val_courbe2']))
{		
	$courbe2 = $_SESSION['tmp_graph']['val_courbe2'];
	
	if( !is_array($courbe2) || count($courbe2) == 0 )
	{
		echo "Error";
		exit();
	}
}

$labels = array();
if(isset($_SESSION['tmp_graph']['labels']))
{
	$labels = $_SESSION['tmp_graph']['labels'];
	
	if( !is_array($labels) || count($labels) == 0 )
	{
		echo "Error";
		exit();
	}
}

if($_REQUEST['type'] == "histo")
{
	
	$graphi->histo($width, $height, $values, $title, $_SESSION['labels1'], $margin_bottom,$labelX,$labelY);
	
}
elseif($_REQUEST['type'] == "courbe")
{
	$graphi->courbe($width, $height, $values, $title, $labels, $labelX, $labelY);
}
elseif($_REQUEST['type'] == "2courbes")
{
	$graphi->groupe_courbes($width, $height, $values, $title, $labels, $labelX, $labelY, $courbe2, $plot1_legend, $plot2_legend);
}
elseif($_REQUEST['type'] == "pie")
{
	$graphi->camembert($width, $height, $values, $title, $_SESSION['labels1']);
}


$_SESSION['tmp_graph'] = array();
unset($_SESSION['tmp_graph']);

?>