<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');

// Some data
$ydata = array(11,3,8,12,5,1,9,13,5,7);

// Create the graph. These two calls are always required
$graph = new Graph(350,250);
$graph->SetScale("textlin");
$graph->SetMargin(40,40,50,50);

// Setup the grid and plotarea box
$graph->ygrid->SetLineStyle('dashed');
$graph->ygrid->setColor('darkgray');
$graph->SetBox(true);

// Steup graph titles
$graph->title->SetFont(FF_ARIAL,FS_BOLD,12);
$graph->title->Set('Using background image');
$graph->subtitle->SetFont(FF_COURIER,FS_BOLD,11);
$graph->subtitle->Set('"BGIMG_CENTER"');
$graph->subtitle->SetColor('darkred');

// Add background with 25% mix
$graph->SetBackgroundImage('heat1.jpg',BGIMG_CENTER);
$graph->SetBackgroundImageMix(25);

// Create the linear plot
$lineplot=new LinePlot($ydata);
$lineplot->SetColor("blue");

// Add the plot to the graph
$graph->Add($lineplot);

// Display the graph
$graph->Stroke();
?>
