https://www.moremi.com/assets/js/jquery.easy-pie-chart.min.js

1// Generated by CoffeeScript 1.4.0
2
3/*
4Easy pie chart is a jquery plugin to display simple animated pie charts for only one value
5
6Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
7and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
8
9Built on top of the jQuery library (http://jquery.com)
10
11@source: http://github.com/rendro/easy-pie-chart/
12@autor: Robert Fleischmann
13@version: 1.0.1
14
15Inspired by: http://dribbble.com/shots/631074-Simple-Pie-Charts-II?list=popular&offset=210
16Thanks to Philip Thrasher for the jquery plugin boilerplate for coffee script
17*/
18(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);
19if(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.$el.css({width:_this.options.size,height:_this.options.size,lineHeight:""+
20_this.options.size+"px"});_this.update(percent);return _this};this.update=function(percent){if(_this.options.animate===false)return drawLine(percent);else return animateLine(_this.percentage,percent)};renderScale=function(){var i,_i,_results;_this.ctx.fillStyle=_this.options.scaleColor;_this.ctx.lineWidth=1;_results=[];for(i=_i=0;_i<=24;i=++_i)_results.push(addScaleLine(i));return _results};addScaleLine=function(i){var offset;offset=i%6===0?0:_this.options.size*0.017;_this.ctx.save();_this.ctx.rotate(i*
21Math.PI/12);_this.ctx.fillRect(_this.options.size/2-offset,0,-_this.options.size*0.05+offset,1);return _this.ctx.restore()};renderTrack=function(){var offset;offset=_this.options.size/2-_this.options.lineWidth/2;if(_this.options.scaleColor!==false)offset-=_this.options.size*0.08;_this.ctx.beginPath();_this.ctx.arc(0,0,offset,0,Math.PI*2,true);_this.ctx.closePath();_this.ctx.strokeStyle=_this.options.trackColor;_this.ctx.lineWidth=_this.options.lineWidth;return _this.ctx.stroke()};renderBackground=
22function(){if(_this.options.scaleColor!==false)renderScale();if(_this.options.trackColor!==false)return renderTrack()};drawLine=function(percent){var offset;renderBackground();_this.ctx.strokeStyle=$.isFunction(_this.options.barColor)?_this.options.barColor(percent):_this.options.barColor;_this.ctx.lineCap=_this.options.lineCap;_this.ctx.lineWidth=_this.options.lineWidth;offset=_this.options.size/2-_this.options.lineWidth/2;if(_this.options.scaleColor!==false)offset-=_this.options.size*0.08;_this.ctx.save();
23_this.ctx.rotate(-Math.PI/2);_this.ctx.beginPath();_this.ctx.arc(0,0,offset,0,Math.PI*2*percent/100,false);_this.ctx.stroke();return _this.ctx.restore()};animateLine=function(from,to){var currentStep,fps,steps;fps=30;steps=fps*_this.options.animate/1E3;currentStep=0;_this.options.onStart.call(_this);_this.percentage=to;if(_this.animation){clearInterval(_this.animation);_this.animation=false}return _this.animation=setInterval(function(){_this.ctx.clearRect(-_this.options.size/2,-_this.options.size/
242,_this.options.size,_this.options.size);renderBackground.call(_this);drawLine.call(_this,[easeInOutQuad(currentStep,from,to-from,steps)]);currentStep++;if(currentStep/steps>1){clearInterval(_this.animation);_this.animation=false;return _this.options.onStop.call(_this)}},1E3/fps)};easeInOutQuad=function(t,b,c,d){var easeIn,easing;easeIn=function(t){return Math.pow(t,2)};easing=function(t){if(t<1)return easeIn(t);else return 2-easeIn(t/2*-2+2)};t/=d/2;return c/2*easing(t)+b};return this.init()};$.easyPieChart.defaultOptions=

25{barColor:"#ef1e25",trackColor:"#f2f2f2",scaleColor:"#dfe0e0",lineCap:"round",size:110,lineWidth:3,animate:false,onStart:$.noop,onStop:$.noop};$.fn.easyPieChart=function(options){return $.each(this,function(i,el){var $el;$el=$(el);if(!$el.data("easyPieChart"))return $el.data("easyPieChart",new $.easyPieChart(el,options))})};return void 0})(jQuery)}).call(this);