#!/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;

my $bargap = int($query->param("img")) * 0.25 - 0.25;

# The data for the bar chart
my $data = [100, 125, 245, 147, 67];

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

# Create a XYChart object of size 150 x 150 pixels
my $c = new XYChart(150, 150);

# Set the plotarea at (27, 20) and of size 120 x 100 pixels
$c->setPlotArea(27, 20, 120, 100);

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

if ($bargap >= 0) {
    # Add a title to display to bar gap using 8 pts Arial font
    $c->addTitle("      Bar Gap = $bargap", "arial.ttf", 8);
} else {
    # Use negative value to mean TouchBar
    $c->addTitle("      Bar Gap = TouchBar", "arial.ttf", 8);
    $bargap = $perlchartdir::TouchBar;
}

# Add a bar chart layer using the given data and set the bar gap
$c->addBarLayer($data)->setBarGap($bargap);

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