<?php
# $Id$
# Testing phplot - Color Chart
require_once 'phplot.php';
// Extend PHPlot class to allow access to protected variable(s):
class PHPlot_pv extends PHPlot
{
public function GET_rgb_array()
{
return $this->rgb_array;
}
}
$p = new PHPlot_pv(800, 700);
# Use internal color map rgb_array to get a list of colors:
$colors = array_keys($p->GET_rgb_array());
sort($colors);
$nc = count($colors);
# Make a data array with 1 point, $nc data sets:
$dp = array('');
for ($i = 0; $i < $nc; $i++) {
$dp[] = $nc - $i;
}
$data = array($dp);
$p->SetPlotType('bars');
$p->SetDataType('text-data');
$p->SetDataValues($data);
# Use all colors:
$p->SetDataColors($colors);
$p->SetShading(0);
# Make a legend with all the color names: