#!/usr/bin/perl
use perlchartdir;
#The data for the chart
my $data = [40, 45, 37, 24, 32, 39, 53, 52, 63, 49, 46, 40, 54, 50, 57, 57, 48,
49, 63, 67, 74, 72, 70, 89, 74];
my $labels = ["0\nJun 4", "-", "-", "3", "-", "-", "6", "-", "-", "9", "-", "-",
"12", "-", "-", "15", "-", "-", "18", "-", "-", "21", "-", "-", "0\nJun 5"];
#Create a XYChart object of size 400 x 270 pixels
my $c = new XYChart(400, 270);
#Set the plotarea at (80, 60) and of size 300 x 200 pixels. Turn off the grid
#lines by setting their colors to Transparent.
$c->setPlotArea(80, 28, 300, 200)->setGridColor($perlchartdir::Transparent);
#Add a title to the y axis
my $textbox = $c->yAxis()->setTitle("Temperature");
#Set the y axis title upright (font angle = 0)
$textbox->setFontAngle(0);
#Put the y axis title on top of the axis
$textbox->setAlignment($perlchartdir::Top);
#Move the y axis title by (-36, 8) (36 pixels left, 8 pixels up)
$textbox->setPos(-36, 8);
#Add green (0x99ff99), yellow (0xffff99) and red (0xff9999) zones to the y axis
#to represent the ranges 0 - 50, 50 - 80, and 80 - max.
$c->yAxis()->addZone(0, 50, 0x99ff99);
$c->yAxis()->addZone(50, 80, 0xffff99);
$c->yAxis()->addZone(80, 9999, 0xff9999);
#Add a purple (0x800080) mark at y = 70 using a line width of 2.
$c->yAxis()->addMark(70, 0x800080, "Alert = 70")->setLineWidth(2);
#Add a green (0x008000) mark at y = 40 using a line width of 2.
$c->yAxis()->addMark(40, 0x8000, "Watch = 40")->setLineWidth(2);
#Add a legend box at (165, 0) (top right of the chart) using 8 pts Arial font.
#and horizontal layout.
my $legend = $c->addLegend(165, 0, 0, "arialbd.ttf", 8);
#Disable the legend box boundary by setting the colors to Transparent
$legend->setBackground($perlchartdir::Transparent, $perlchartdir::Transparent);
#Add 3 custom entries to the legend box to represent the 3 zones
$legend->addKey("Normal", 0x80ff80);
$legend->addKey("Warning", 0xffff80);
$legend->addKey("Critical", 0xff8080);
#Set the labels on the x axis
$c->xAxis()->setLabels($labels);
#Add a 3D bar layer with the given data
my $layer = $c->addBarLayer($data, 0xbbbbff);
#Set the bar gap to 0 so that the bars are packed tightly
$layer->setBarGap(0);
#Set the border color of the bars same as the fill color, with 1 pixel 3D border
#effect.
$layer->setBorderColor($perlchartdir::SameAsMainColor, 1);
#output the chart
$c->makeChart("markzone.png")
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