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

# In this example, the data points are unevenly spaced on the x-axis
$dataY = array(4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4, 2.1, 3,
    2.5, 2.5, 3.1);
$dataX = array(chartTime(1999, 7, 1), chartTime(2000, 1, 1), chartTime(2000, 2, 1),
    chartTime(2000, 4, 1), chartTime(2000, 5, 8), chartTime(2000, 7, 5), chartTime(
    2001, 3, 5), chartTime(2001, 4, 7), chartTime(2001, 5, 9), chartTime(2002, 2, 4),
    chartTime(2002, 4, 4), chartTime(2002, 5, 8), chartTime(2002, 7, 7), chartTime(
    2002, 8, 30), chartTime(2003, 1, 2), chartTime(2003, 2, 16), chartTime(2003, 11,
    6), chartTime(2004, 1, 4));

# Data points are assigned different symbols based on point type
$pointType = array(0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0);

# Create a XYChart object of size 600 x 300 pixels, with a light purple (ffccff)
# background, black border, 1 pixel 3D border effect and rounded corners.
$c = new XYChart(600, 300, 0xffccff, 0x000000, 1);
$c->setRoundedFrame();

# Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white (ffffff)
# background. Set horizontal and vertical grid lines to grey (cccccc).
$c->setPlotArea(55, 58, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);

# Add a legend box at (55, 30) (top of the chart) with horizontal layout. Use 10 pts
# Arial Bold Italic font. Set the background and border color to Transparent.
$legendObj = $c->addLegend(55, 30, false, "arialbi.ttf", 10);
$legendObj->setBackground(Transparent);

# Add a title box to the chart using 15 pts Times Bold Italic font. The text is white
# (ffffff) on a purple (400040) background, with soft lighting effect from the right
# side.
$textBoxObj = $c->addTitle("Multi-Symbol Line Chart Demo", "timesbi.ttf", 15,
    0xffffff);
$textBoxObj->setBackground(0x400040, -1, softLighting(Right));

# Set the y axis label format to display a percentage sign
$c->yAxis->setLabelFormat("{value}%");

# Set axis titles to use 9pt Arial Bold Italic font
$c->yAxis->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
$c->xAxis->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);

# Set axis labels to use Arial Bold font
$c->yAxis->setLabelStyle("arialbd.ttf");
$c->xAxis->setLabelStyle("arialbd.ttf");

# We add the different data symbols using scatter layers. The scatter layers are
# added before the line layer to make sure the data symbols stay on top of the line
# layer.

# We select the points with pointType = 0 (the non-selected points will be set to
# NoValue), and use yellow (ffff00) 15 pixels high 5 pointed star shape symbols for
# the points. (This example uses both x and y coordinates. For charts that have no x
# explicitly coordinates, use an empty array as dataX.)
$tmpArrayMath1 = new ArrayMath($dataY);
$tmpArrayMath1->selectEQZ($pointType, NoValue);
$c->addScatterLayer($dataX, $tmpArrayMath1->result(), "Point Type 0", StarShape(5),
    15, 0xffff00);

# Similar to above, we select the points with pointType - 1 = 0 and use green (ff00)
# 13 pixels high six-sided polygon as symbols.
$tmpArrayMath2 = new ArrayMath($pointType);
$tmpArrayMath2->sub(1);
$tmpArrayMath1 = new ArrayMath($dataY);
$tmpArrayMath1->selectEQZ($tmpArrayMath2->result(), NoValue);
$c->addScatterLayer($dataX, $tmpArrayMath1->result(), "Point Type 1", PolygonShape(6
    ), 13, 0x00ff00);

# Similar to above, we select the points with pointType - 2 = 0 and use red (ff0000)
# 13 pixels high X shape as symbols.
$tmpArrayMath2 = new ArrayMath($pointType);
$tmpArrayMath2->sub(2);
$tmpArrayMath1 = new ArrayMath($dataY);
$tmpArrayMath1->selectEQZ($tmpArrayMath2->result(), NoValue);
$c->addScatterLayer($dataX, $tmpArrayMath1->result(), "Point Type 2", Cross2Shape(),
    13, 0xff0000);

# Finally, add a blue (0000ff) line layer with line width of 2 pixels
$layer = $c->addLineLayer($dataY, 0x0000ff);
$layer->setXData($dataX);
$layer->setLineWidth(2);

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