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

# The data for the area chart
$data = array(3.0, 2.8, 4.0, 5.5, 7.5, 6.8, 5.4, 6.0, 5.0, 6.2, 7.5, 6.5, 7.5, 8.1,
    6.0, 5.5, 5.3, 3.5, 5.0, 6.6, 5.6, 4.8, 5.2, 6.5, 6.2);

# The labels for the area chart
$labels = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
    "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24");

# Create a XYChart object of size 300 x 180 pixels. Set the background to pale yellow
# (0xffffa0) with a black border (0x0)
$c = new XYChart(300, 180, 0xffffa0, 0x000000);

# Set the plotarea at (45, 35) and of size 240 x 120 pixels. Set the background to
# white (0xffffff). Set both horizontal and vertical grid lines to black (&H0&)
# dotted lines (pattern code 0x0103)
$c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, $c->dashLineColor(0x000000,
    0x000103), $c->dashLineColor(0x000000, 0x000103));

# Add a title to the chart using 10 pts Arial Bold font. Use a 1 x 2 bitmap pattern
# as the background. Set the border to black (0x0).
$textBoxObj = $c->addTitle("Snow Percipitation (Dec 12)", "arialbd.ttf", 10);
$textBoxObj->setBackground($c->patternColor(array(0xb0b0f0, 0xe0e0ff), 2), 0x000000);

# Add a title to the y axis
$c->yAxis->setTitle("mm per hour");

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

# Display 1 out of 3 labels on the x-axis.
$c->xAxis->setLabelStep(3);

# Add an area layer to the chart
$layer = $c->addAreaLayer();

# Load a snow pattern from an external file "snow.png".
$snowPattern = $c->patternColor2(dirname(__FILE__)."/snow.png");

# Add a data set to the area layer using the snow pattern as the fill color. Use deep
# blue (0x0000ff) as the area border line color (&H0000ff&)
$dataSetObj = $layer->addDataSet($data);
$dataSetObj->setDataColor($snowPattern, 0x0000ff);

# Set the line width to 2 pixels to highlight the line
$layer->setLineWidth(2);

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