<?php
require_once("../lib/phpchartdir.php");

# The data for the pie chart
$data = array(28, 45, 5, 1, 12);

# The labels for the pie chart
$labels = array("Excellent", "Good", "Bad", "Very Bad", "Neutral");

# The icons for the sectors
$icons = array("laugh.png", "smile.png", "sad.png", "angry.png", "nocomment.png");

# Create a PieChart object of size 560 x 300 pixels, with a silver background, black
# border, 1 pxiel 3D border effect and rounded corners
$c = new PieChart(560, 300, silverColor(), 0x000000, 1);
$c->setRoundedFrame();

#Set directory for loading images to current script directory
#Need when running under Microsoft IIS
$c->setSearchPath(dirname(__FILE__));

# Set the center of the pie at (280, 150) and the radius to 120 pixels
$c->setPieSize(280, 150, 120);

# Add a title box with title written in CDML, on a sky blue (A0C8FF) background with
# glass effect
$textBoxObj = $c->addTitle(
    "<*block,valign=absmiddle*><*img=doc.png*> Customer Survey: ".
    "<*font=timesi.ttf,color=000000*>Do you like our <*font,color=dd0000*>Hyper".
    "<*super*>TM<*/font*> molecules?", "timesbi.ttf", 15, 0x000080);
$textBoxObj->setBackground(0xa0c8ff, 0x000000, glassEffect());

# Add a logo to the chart written in CDML as the bottom title aligned to the bottom
# right
$c->addTitle2(BottomRight,
    "<*block,valign=absmiddle*><*img=molecule.png*> <*block*><*color=FF*>".
    "<*font=timesbi.ttf,size=12*>Molecular Engineering\n<*font=arial.ttf,size=10*>".
    "Creating better molecules");

# Set the pie data and the pie labels
$c->setData($data, $labels);

# Set 3D style
$c->set3D();

# Use the side label layout method
$c->setLabelLayout(SideLayout);

# Set the label background color to transparent
$textBoxObj = $c->setLabelStyle();
$textBoxObj->setBackground(Transparent);

# Add icons to the chart as a custom field
$c->addExtraField($icons);

# Configure the sector labels using CDML to include the icon images
$c->setLabelFormat(
    "<*block,valign=absmiddle*><*img={field0}*> {label} ({percent|0}%)");

# Explode the 3rd and 4th sectors as a group (index = 2 and 3)
$c->setExplodeGroup(2, 3);

# Set the start angle to 135 degrees may improve layout when there are many small
# sectors at the end of the data array (that is, data sorted in descending order). It
# is because this makes the small sectors position near the horizontal axis, where
# the text label has the least tendency to overlap. For data sorted in ascending
# order, a start angle of 45 degrees can be used instead.
$c->setStartAngle(135);

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