<?php
require_once("../lib/phpchartdir.php");

# The (x, y) data for the first line
$dataX0 = array(20, 90, 40, 30, 12);
$dataY0 = array(10, 40, 75, 54, 20);

# The (x, y) data for the second line
$dataX1 = array(10, 40, 75, 54, 60);
$dataY1 = array(50, 90, 40, 30, 10);

# Create a XYChart object of size 450 x 450 pixels
$c = new XYChart(450, 450);

# Set the plotarea at (55, 65) and of size 350 x 300 pixels, with white background and a light grey
# border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color
# (0xc0c0c0)
$c->setPlotArea(55, 65, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);

# Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold Italic
# font. Set the background and border color to Transparent.
$legendObj = $c->addLegend(50, 30, false, "timesbi.ttf", 12);
$legendObj->setBackground(Transparent);

# Add a title to the chart using 18pt Times Bold Itatic font
$c->addTitle("Reaction Path", "timesbi.ttf", 18);

# Add a title to the y axis using 12pt Arial Bold Italic font
$c->yAxis->setTitle("Temperature (Celcius)", "arialbi.ttf", 12);

# Set the y axis line width to 3 pixels
$c->yAxis->setWidth(3);

# Add a title to the x axis using 12pt Arial Bold Italic font
$c->xAxis->setTitle("Pressure (Pa)", "arialbi.ttf", 12);

# Set the x axis line width to 3 pixels
$c->xAxis->setWidth(3);

# Add a red (0xff3333) line layer using dataX0 and dataY0
$layer1 = $c->addLineLayer($dataY0, 0xff3333, "Compound AAA");
$layer1->setXData($dataX0);

# Set the line width to 3 pixels
$layer1->setLineWidth(3);

# Use 9 pixel square symbols for the data points
$dataSetObj = $layer1->getDataSet(0);
$dataSetObj->setDataSymbol(SquareSymbol, 9);

# Add custom text labels to the first and last point on the scatter plot using Arial Bold font
$layer1->addCustomDataLabel(0, 0, "Start", "arialbd.ttf");
$layer1->addCustomDataLabel(0, 4, "End", "arialbd.ttf");

# Add a green (0x33ff33) line layer using dataX1 and dataY1
$layer2 = $c->addLineLayer($dataY1, 0x33ff33, "Compound BBB");
$layer2->setXData($dataX1);

# Set the line width to 3 pixels
$layer2->setLineWidth(3);

# Use 11 pixel diamond symbols for the data points
$dataSetObj = $layer2->getDataSet(0);
$dataSetObj->setDataSymbol(DiamondSymbol, 11);

# Add custom text labels to the first and last point on the scatter plot using Arial Bold font
$layer2->addCustomDataLabel(0, 0, "Start", "arialbd.ttf");
$layer2->addCustomDataLabel(0, 4, "End", "arialbd.ttf");

# Output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));
?>