#!/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;

# Get HTTP query parameters
use CGI;
my $query = new CGI;

# The data for the chart
my $data = [85, 156, 179.5, 211, 123];
my $labels = ["Mon", "Tue", "Wed", "Thu", "Fri"];

# Create a XYChart object of size 270 x 270 pixels
my $c = new XYChart(270, 270);

# Set the plot area at (40, 32) and of size 200 x 200 pixels
my $plotarea = $c->setPlotArea(40, 32, 200, 200);

# Set the background style based on the input parameter
if ($query->param("img") eq "0") {
    # Has wallpaper image
    $c->setWallpaper(dirname($0)."/tile.gif");
} elsif ($query->param("img") eq "1") {
    # Use a background image as the plot area background
    $plotarea->setBackground2(dirname($0)."/bg.png");
} elsif ($query->param("img") eq "2") {
    # Use white (0xffffff) and grey (0xe0e0e0) as two alternate plotarea background
    # colors
    $plotarea->setBackground(0xffffff, 0xe0e0e0);
} else {
    # Use a dark background palette
    $c->setColors($perlchartdir::whiteOnBlackPalette);
}

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

# Add a color bar layer using the given data. Use a 1 pixel 3D border for the bars.
$c->addBarLayer3($data)->setBorderColor(-1, 1);

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