(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.$el.css({width:_this.options.size,height:_this.options.size,lineHeight:""+_this.options.size+"px"});_this.update(percent);return _this};this.update=function(percent){if(_this.options.animate===false){return drawLine(percent)}else{return animateLine(_this.percentage,percent)}};renderScale=function(){var i,_i,_results;_this.ctx.fillStyle=_this.options.scaleColor;_this.ctx.lineWidth=1;_results=[];for(i=_i=0;_i<=24;i=++_i){_results.push(addScaleLine(i))}return _results};addScaleLine=function(i){var offset;offset=i%6===0?0:_this.options.size*0.017;_this.ctx.save();_this.ctx.rotate(i*Math.PI/12);_this.ctx.fillRect(_this.options.size/2-offset,0,-_this.options.size*0.05+offset,1);return _this.ctx.restore()};renderTrack=function(){var offset;offset=_this.options.size/2-_this.options.lineWidth/2;if(_this.options.scaleColor!==false){offset-=_this.options.size*0.08}_this.ctx.beginPath();_this.ctx.arc(0,0,offset,0,Math.PI*2,true);_this.ctx.closePath();_this.ctx.strokeStyle=_this.options.trackColor;_this.ctx.lineWidth=_this.options.lineWidth;return _this.ctx.stroke()};renderBackground=function(){if(_this.options.scaleColor!==false){renderScale()}if(_this.options.trackColor!==false){return renderTrack()}};drawLine=function(percent){var offset;renderBackground();_this.ctx.strokeStyle=$.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();_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/1000;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/2,_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)}},1000/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()};$.easyPieChart.defaultOptions={barColor:'#ef1e25',trackColor:'#f2f2f2',scaleColor:'#dfe0e0',lineCap:'round',size:110,lineWidth:3,animate:false,onStart:$.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);