<?php
/* $Id$ */
namespace Mammut\Chart;

(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

use Mammut\Chart\Renderer\iRenderer;
use Mammut\Chart\Model\ChartElement;

/**
 * Generic chart interface for charts that support value stacking 
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\Chart
 */
interface iStackableChart {
	
	public function setStacking($stack);

	public function isStacking();
}