<?php
include ("jpgraph/src/jpgraph.php");
include ("jpgraph/src/jpgraph_log.php");
include ("jpgraph/src/jpgraph_line.php");

class LinePlotter{
		  
	private $graph;
	private $gambar;
	private $redvalue;
	private $data;
	private $legend;
	private $interval;

	public function __construct($data){
		$this->data = $data;
	}
	public function setRedLine($red){
		$this->redvalue = $red;
	}
	public function setLegend($legend){
		$this->legend = $legend;
	}
	public function stroke($file){
		$posttime = array();
		$datay = array();
		$redline = array();

		foreach($this->data as $key=>$value){
			$posttime[] = $key;
			$datay[] = $value;
			if(isset($this->redvalue)){
				$redline[] = $this->redvalue; 
			}
		}

		// Setup the graph
		$this->graph = new Graph(510,300);
		$this->graph->SetScale("textlin");
		$this->graph->SetMarginColor('white');
		$this->graph->SetFrame(false);
		$this->graph->SetMargin(30,50,30,30);
		
		// Create the first line
		$p1 = new LinePlot($datay);
		$p1->SetColor("navy");
		$p1->SetLegend($this->legend);
		$this->graph->Add($p1);

		if(isset($this->redvalue)){
			// Create red line
			$p3 = new LinePlot($redline);
			$p3->SetColor("red");
			$p3->SetStyle("dashed");
			$this->graph->Add($p3);
		}
		$this->graph->Stroke('/www/htdocs/ajaxmonyet/tmp/'.$file);
	}
	public function strokeMe(){
		$this->graph->Stroke();
	}
}
$driver = new LinePlotter(array('2'=>'3','12'=>'13'));
$driver->stroke('test.jpg');
?>