#!/usr/bin/perl
use perlchartdir;
#The data for the area chart
my $data = [30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53,
35, 50, 66, 56, 48, 52, 65, 62];
#The labels for the area chart
my $labels = ["0", "", "", "3", "", "", "6", "", "", "9", "", "", "12", "", "",
"15", "", "", "18", "", "", "21", "", "", "24"];
#Create a XYChart object of size 500 x 300 pixels, using 0xf0e090 as background
#color, with a black border, and 1 pixel 3D border effect
my $c = new XYChart(500, 300, 0xf0e090, 0x0, 1);
#Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white
#background. Set border and grid line colors to 0xa08040.
$c->setPlotArea(55, 50, 420, 205, 0xffffff, -1, 0xa08040, 0xa08040, 0xa08040);
#Add a title box to the chart using 13 pts Arial Bold Italic font. The title is
#in CDML and includes embedded images for highlight. The text is white
#(0xffffff) on a brown (0x807040) background, with a 1 pixel 3D border.
$c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Performance ".
"Enhancer <*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13,
0xffffff)->setBackground(0x807040, -1, 1);
#Add a title to the y axis
$c->yAxis()->setTitle("Energy Concentration (KJ per liter)");
#Set the labels on the x axis
$c->xAxis()->setLabels($labels);
#Add a title to the x axis using CDML
$c->xAxis()->setTitle(
"<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
#Set the axes width to 2 pixels
$c->xAxis()->setWidth(2);
$c->yAxis()->setWidth(2);
#Add an area layer to the chart using a semi-transparent gradient color
$c->addAreaLayer($data, $c->gradientColor(0, 50, 0, 255, 0x40ff8000, 0x40ffffff)
);
#Add a custom CDML text at the bottom right of the plot area as the logo
$c->addText(475, 255,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>".
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>"
)->setAlignment($perlchartdir::BottomRight);
#output the chart
$c->makeChart("enhancedarea.png")
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