WebRoot/manage/assets/js/jquery-easy-pie-chart/jquery.easy-pie-chart.js

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// Generated by CoffeeScript 1.4.0

/*
Easy pie chart is a jquery plugin to display simple animated pie charts for only one value

Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.

Built on top of the jQuery library (http://jquery.com)

@source: http://github.com/rendro/easy-pie-chart/
@autor: Robert Fleischmann
@version: 1.0.1

Inspired by: http://dribbble.com/shots/631074-Simple-Pie-Charts-II?list=popular&offset=210
Thanks to Philip Thrasher for the jquery plugin boilerplate for coffee script
*/


(function() {

  (function($) {
    $.easyPieChart = function(el, options) {
      var addScaleLine, animateLine, drawLine, easeInOutQuad, renderBackground, renderScale, renderTrack,
        _this = this;
      this.el = el;
      this.$el = $(el);
      this.$el.data("easyPieChart", this);
      this.init = function() {
        var percent;
        _this.options = $.extend({}, $.easyPieChart.defaultOptions, options);
        percent = parseInt(_this.$el.data('percent'), 10);
        _this.percentage = 0;
        _this.canvas = $("<canvas width='" + _this.options.size + "' height='" + _this.options.size + "'></canvas>").get(0);
        _this.$el.append(_this.canvas);
        if (typeof G_vmlCanvasManager !== "undefined" && G_vmlCanvasManager !== null) {
          G_vmlCanvasManager.initElement(_this.canvas);
        }
        _this.ctx = _this.canvas.getContext('2d');
        if (window.devicePixelRatio > 1.5) {
          $(_this.canvas).css({
            width: _this.options.size,
            height: _this.options.size
          });
          _this.canvas.width *= 2;
          _this.canvas.height *= 2;
          _this.ctx.scale(2, 2);
        }
        _this.ctx.translate(_this.options.size / 2, _this.options.size / 2);
        _this.$el.addClass('easyPieChart');
        _this.$el.css({
          width: _this.options.size,
          height: _this.options.size,
          lineHeight: "" + _this.options.size + "px"
        });
        _this.update(percent);
        return _this;
      };
      this.update = function(percent) {
        if (_this.options.animate === false) {
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