include/lib/jqplot/plugins/jqplot.mekkoRenderer.js

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/**
 * jqPlot
 * Pure JavaScript plotting plugin using jQuery
 *
 * Version: 1.0.3
 * Revision: 1117
 *
 * Copyright (c) 2009-2012 Chris Leonello
 * jqPlot is currently available for use in all personal or commercial projects 
 * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL 
 * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can 
 * choose the license that best suits your project and use it accordingly. 
 *
 * Although not required, the author would appreciate an email letting him 
 * know of any substantial use of jqPlot.  You can reach the author at: 
 * chris at jqplot dot com or see http://www.jqplot.com/info.php .
 *
 * If you are feeling kind and generous, consider supporting the project by
 * making a donation at: http://www.jqplot.com/donate.php .
 *
 * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
 *
 *     version 2007.04.27
 *     author Ash Searle
 *     http://hexmen.com/blog/2007/03/printf-sprintf/
 *     http://hexmen.com/js/sprintf.js
 *     The author (Ash Searle) has placed this code in the public domain:
 *     "This code is unrestricted: you are free to use it however you like."
 * 
 */
(function($) {
    /**
     * Class: $.jqplot.MekkoRenderer
     * Draws a Mekko style chart which shows 3 dimensional data on a 2 dimensional graph.
     * the <$.jqplot.MekkoAxisRenderer> should be used with mekko charts.  The mekko renderer
     * overrides the default legend renderer with it's own $.jqplot.MekkoLegendRenderer
     * which allows more flexibility to specify number of rows and columns in the legend.
     * 
     * Data is specified per bar in the chart.  You can specify data as an array of y values, or as 
     * an array of [label, value] pairs.  Note that labels are used only on the first series.  
     * Labels on subsequent series are ignored:
     * 
     * > bar1 = [['shirts', 8],['hats', 14],['shoes', 6],['gloves', 16],['dolls', 12]];
     * > bar2 = [15,6,9,13,6];
     * > bar3 = [['grumpy',4],['sneezy',2],['happy',7],['sleepy',9],['doc',7]];
     * 
     * If you want to place labels for each bar under the axis, you use the barLabels option on 
     * the axes.  The bar labels can be styled with the ".jqplot-mekko-barLabel" css class.
     * 
     * > barLabels = ['Mickey Mouse', 'Donald Duck', 'Goofy'];
     * > axes:{xaxis:{barLabels:barLabels}}
     * 
     */
    
    
    $.jqplot.MekkoRenderer = function(){
        this.shapeRenderer = new $.jqplot.ShapeRenderer();
        // prop: borderColor
        // color of the borders between areas on the chart
        this.borderColor = null;