Web/js/jqplot/plugins/jqplot.barRenderer.js

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/**
 * jqPlot
 * Pure JavaScript plotting plugin using jQuery
 *
 * Version: 1.0.8
 * Revision: 1250
 *
 * Copyright (c) 2009-2013 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.BarRenderer
    // A plugin renderer for jqPlot to draw a bar plot.
    // Draws series as a line.
    
    $.jqplot.BarRenderer = function(){
        $.jqplot.LineRenderer.call(this);
    };
    
    $.jqplot.BarRenderer.prototype = new $.jqplot.LineRenderer();
    $.jqplot.BarRenderer.prototype.constructor = $.jqplot.BarRenderer;
    
    // called with scope of series.
    $.jqplot.BarRenderer.prototype.init = function(options, plot) {
        // Group: Properties
        //
        // prop: barPadding
        // Number of pixels between adjacent bars at the same axis value.
        this.barPadding = 8;
        // prop: barMargin
        // Number of pixels between groups of bars at adjacent axis values.
        this.barMargin = 10;
        // prop: barDirection
        // 'vertical' = up and down bars, 'horizontal' = side to side bars
        this.barDirection = 'vertical';
        // prop: barWidth
        // Width of the bar in pixels (auto by devaul).  null = calculated automatically.
        this.barWidth = null;
        // prop: shadowOffset