#!/usr/bin/perl
use perlchartdir;

sub createChart
{
    my $img = shift;

    # the tilt angle of the pie
    my $angle = int($img) * 90 + 45;

    # The data for the pie chart
    my $data = [25, 18, 15, 12, 8, 30, 35];

    # Create a PieChart object of size 100 x 110 pixels
    my $c = new PieChart(100, 110);

    # Set the center of the pie at (50, 55) and the radius to 36 pixels
    $c->setPieSize(50, 55, 36);

    # Set the depth, tilt angle and 3D mode of the 3D pie (-1 means auto depth,
    # "true" means the 3D effect is in shadow mode)
    $c->set3D(-1, $angle, 1);

    # Add a title showing the shadow angle
    $c->addTitle("Shadow @ $angle deg", "arial.ttf", 8);

    # Set the pie data
    $c->setData($data);

    # Disable the sector labels by setting the color to Transparent
    $c->setLabelStyle("", 8, $perlchartdir::Transparent);

    # Output the chart
    $c->makeChart("shadowpie$img.png")
}

createChart(0);
createChart(1);
createChart(2);
createChart(3);