target/classes/static/images/jquery.easypiechart.js

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/**!
 * easy-pie-chart
 * Lightweight plugin to render simple, animated and retina optimized pie charts
 *
 * @license 
 * @author Robert Fleischmann <rendro87@gmail.com> (http://robert-fleischmann.de)
 * @version 2.1.7
 **/

(function (root, factory) {
  if (typeof define === 'function' && define.amd) {
    // AMD. Register as an anonymous module unless amdModuleId is set
    define(["jquery"], function (a0) {
      return (factory(a0));
    });
  } else if (typeof exports === 'object') {
    // Node. Does not work with strict CommonJS, but
    // only CommonJS-like environments that support module.exports,
    // like Node.
    module.exports = factory(require("jquery"));
  } else {
    factory(jQuery);
  }
}(this, function ($) {

/**
 * Renderer to render the chart on a canvas object
 * @param {DOMElement} el      DOM element to host the canvas (root of the plugin)
 * @param {object}     options options object of the plugin
 */
var CanvasRenderer = function(el, options) {
	var cachedBackground;
	var canvas = document.createElement('canvas');

	el.appendChild(canvas);

	if (typeof(G_vmlCanvasManager) === 'object') {
		G_vmlCanvasManager.initElement(canvas);
	}

	var ctx = canvas.getContext('2d');

	canvas.width = canvas.height = options.size;

	// canvas on retina devices
	var scaleBy = 1;
	if (window.devicePixelRatio > 1) {
		scaleBy = window.devicePixelRatio;
		canvas.style.width = canvas.style.height = [options.size, 'px'].join('');
		canvas.width = canvas.height = options.size * scaleBy;
		ctx.scale(scaleBy, scaleBy);
	}

	// move 0,0 coordinates to the center
	ctx.translate(options.size / 2, options.size / 2);

	// rotate canvas -90deg
	ctx.rotate((-1 / 2 + options.rotate / 180) * Math.PI);

	var radius = (options.size - options.lineWidth) / 2;