#!/usr/bin/perl
use perlchartdir;

sub createChart
{
    my $img = shift;

    # The data for the chart
    my $data = [5.5, 3.5, -3.7, 1.7, -1.4, 3.3];
    my $labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"];

    # Create a XYChart object of size 200 x 190 pixels
    my $c = new XYChart(200, 190);

    # Set the plot area at (30, 20) and of size 140 x 140 pixels
    $c->setPlotArea(30, 20, 140, 140);

    # Configure the axis as according to the input parameter
    if ($img eq "0") {
        $c->addTitle("No Axis Extension", "arial.ttf", 8);
    } elsif ($img eq "1") {
        $c->addTitle("Top/Bottom Extensions = 0/0", "arial.ttf", 8);
        # Reserve 20% margin at top of plot area when auto-scaling
        $c->yAxis()->setAutoScale(0, 0);
    } elsif ($img eq "2") {
        $c->addTitle("Top/Bottom Extensions = 0.2/0.2", "arial.ttf", 8);
        # Reserve 20% margin at top and bottom of plot area when auto-scaling
        $c->yAxis()->setAutoScale(0.2, 0.2);
    } elsif ($img eq "3") {
        $c->addTitle("Axis Top Margin = 15", "arial.ttf", 8);
        # Reserve 15 pixels at top of plot area
        $c->yAxis()->setMargin(15);
    } else {
        $c->addTitle("Manual Scale -5 to 10", "arial.ttf", 8);
        # Set the y axis to scale from -5 to 10, with ticks every 5 units
        $c->yAxis()->setLinearScale(-5, 10, 5);
    }

    # 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
    $c->makeChart("axisscale$img.png")
}

createChart(0);
createChart(1);
createChart(2);
createChart(3);
createChart(4);