#!/usr/bin/perl

# Include current script directory in the module path (needed on Microsoft IIS).
# This allows this script to work by copying ChartDirector to the same directory
# as the script (as an alternative to installation in Perl module directory)
use File::Basename;
use lib dirname($0) =~ /(.*)/;

use perlchartdir;

# The data for the bar chart
my $data0 = [100, 125, 245, 147, 67];
my $data1 = [85, 156, 179, 211, 123];
my $data2 = [97, 87, 56, 267, 157];

# The labels for the bar chart
my $labels = ["Mon", "Tue", "Wed", "Thu", "Fri"];

# Create a XYChart object of size 500 x 320 pixels
my $c = new XYChart(500, 320);

# Set the plotarea at (100, 40) and of size 280 x 240 pixels
$c->setPlotArea(100, 40, 280, 240);

# Add a legend box at (405, 100)
$c->addLegend(405, 100);

# Add a title to the chart
$c->addTitle("Weekday Network Load");

# Add a title to the y axis. Draw the title upright (font angle = 0)
$c->yAxis()->setTitle("Average\nWorkload\n(MBytes\nPer Hour)")->setFontAngle(0);

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

# Add three bar layers, each representing one data set. The bars are drawn in
# semi-transparent colors.
$c->addBarLayer($data0, 0x808080ff, "Server # 1", 5);
$c->addBarLayer($data1, 0x80ff0000, "Server # 2", 5);
$c->addBarLayer($data2, 0x8000ff00, "Server # 3", 5);

# Output the chart
binmode(STDOUT);
print "Content-type: image/png\n\n";
print $c->makeChart2($perlchartdir::PNG);