web/assets/js/jquery.easy-pie-chart-older.js

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// Generated by CoffeeScript 1.6.3
/*
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: 1.2.5

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($) {
  $.easyPieChart = function(el, options) {
    var addScaleLine, animateLine, drawLine, easeInOutQuad, rAF, renderBackground, renderScale, renderTrack,
      _this = this;
    this.el = el;
    this.$el = $(el);
    this.$el.data("easyPieChart", this);
    this.init = function() {
      var percent, scaleBy;
      _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) {
        scaleBy = window.devicePixelRatio;
        $(_this.canvas).css({
          width: _this.options.size,
          height: _this.options.size
        });
        _this.canvas.width *= scaleBy;
        _this.canvas.height *= scaleBy;
        _this.ctx.scale(scaleBy, scaleBy);
      }
      _this.ctx.translate(_this.options.size / 2, _this.options.size / 2);
      _this.ctx.rotate(_this.options.rotate * Math.PI / 180);
      _this.$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) {
      percent = parseFloat(percent) || 0;
      if (_this.options.animate === false) {
        drawLine(percent);