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

# The data for the area chart
$data0 = array(42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56,
    60, 70, 76, 63, 67, 75, 64, 51);
$data1 = array(50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58,
    59, 73, 77, 84, 82, 80, 84, 98);
$data2 = array(87, 89, 85, 66, 53, 39, 24, 21, 37, 56, 37, 23, 21, 33, 13, 17, 14,
    23, 16, 25, 29, 30, 45, 47, 46);

# The timestamps on the x-axis
$labels = array(chartTime(1996, 1, 1), chartTime(1996, 4, 1), chartTime(1996, 7, 1),
    chartTime(1996, 10, 1), chartTime(1997, 1, 1), chartTime(1997, 4, 1), chartTime(
    1997, 7, 1), chartTime(1997, 10, 1), chartTime(1998, 1, 1), chartTime(1998, 4, 1
    ), chartTime(1998, 7, 1), chartTime(1998, 10, 1), chartTime(1999, 1, 1),
    chartTime(1999, 4, 1), chartTime(1999, 7, 1), chartTime(1999, 10, 1), chartTime(
    2000, 1, 1), chartTime(2000, 4, 1), chartTime(2000, 7, 1), chartTime(2000, 10, 1
    ), chartTime(2001, 1, 1), chartTime(2001, 4, 1), chartTime(2001, 7, 1),
    chartTime(2001, 10, 1), chartTime(2002, 1, 1));

# Create a XYChart object of size 500 x 280 pixels, using 0xffffcc as background
# color, with a black border, and 1 pixel 3D border effect
$c = new XYChart(500, 280, 0xffffcc, 0, 1);

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

# Set the plotarea at (50, 45) and of size 320 x 200 pixels with white background.
# Enable horizontal and vertical grid lines using the grey (0xc0c0c0) color.
$plotAreaObj = $c->setPlotArea(50, 45, 320, 200, 0xffffff);
$plotAreaObj->setGridColor(0xc0c0c0, 0xc0c0c0);

# Add a legend box at (370, 45) using vertical layout and 8 points Arial Bold font.
$legendBox = $c->addLegend(370, 45, true, "arialbd.ttf", 8);

# Set the legend box background and border to transparent
$legendBox->setBackground(Transparent, Transparent);

# Set the legend box icon size to 16 x 32 pixels to match with custom icon size
$legendBox->setKeySize(16, 32);

# Add a title to the chart using 14 points Times Bold Itatic font and white font
# color, and 0x804020 as the background color
$textBoxObj = $c->addTitle("Quarterly Product Sales", "timesbi.ttf", 14, 0xffffff);
$textBoxObj->setBackground(0x804020);

# Set the labels on the x axis.
$c->xAxis->setLabels2($labels);

# Set multi-style axis label formatting. Start of year labels are displayed as yyyy.
# For other labels, just show minor tick.
$c->xAxis->setMultiFormat(StartOfYearFilter(), "{value|yyyy}", AllPassFilter(), "-");

# Add a percentage area layer to the chart
$layer = $c->addAreaLayer2(Percentage);

# Add the three data sets to the area layer, using icons images with labels as data
# set names
$layer->addDataSet($data0, 0x40ddaa77,
    "<*block,valign=absmiddle*><*img=service.png*> Service<*/*>");
$layer->addDataSet($data1, 0x40aadd77,
    "<*block,valign=absmiddle*><*img=software.png*> Software<*/*>");
$layer->addDataSet($data2, 0x40aa77dd,
    "<*block,valign=absmiddle*><*img=computer.png*> Hardware<*/*>");

# For a vertical stacked chart with positive data only, the last data set is always
# on top. However, in a vertical legend box, the last data set is at the bottom. This
# can be reversed by using the setLegend method.
$layer->setLegend(ReverseLegend);

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