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gauge.js
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(function(){var AnimatedText,AnimatedTextFactory,Bar,BaseDonut,BaseGauge,Donut,Gauge,GaugePointer,TextRenderer,ValueUpdater,addCommas,cutHex,formatNumber,mergeObjects,secondsToString,slice=[].slice,hasProp={}.hasOwnProperty,extend=function(child,parent){for(var key in parent){if(hasProp.call(parent,key))child[key]=parent[key];}function ctor(){this.constructor=child;}ctor.prototype=parent.prototype;child.prototype=new ctor();child.__super__=parent.prototype;return child;},indexOf=[].indexOf||function(item){for(var i=0,l=this.length;i<l;i++){if(i in this&&this[i]===item)return i;}return-1;};(function(){var browserRequestAnimationFrame,isCancelled,j,lastId,len,vendor,vendors;vendors=['ms','moz','webkit','o'];for(j=0,len=vendors.length;j<len;j++){vendor=vendors[j];if(window.requestAnimationFrame){break;} window.requestAnimationFrame=window[vendor+'RequestAnimationFrame'];window.cancelAnimationFrame=window[vendor+'CancelAnimationFrame']||window[vendor+'CancelRequestAnimationFrame'];} browserRequestAnimationFrame=null;lastId=0;isCancelled={};if(!requestAnimationFrame){window.requestAnimationFrame=function(callback,element){var currTime,id,lastTime,timeToCall;currTime=new Date().getTime();timeToCall=Math.max(0,16-(currTime-lastTime));id=window.setTimeout(function(){return callback(currTime+timeToCall);},timeToCall);lastTime=currTime+timeToCall;return id;};return window.cancelAnimationFrame=function(id){return clearTimeout(id);};}else if(!window.cancelAnimationFrame){browserRequestAnimationFrame=window.requestAnimationFrame;window.requestAnimationFrame=function(callback,element){var myId;myId=++lastId;browserRequestAnimationFrame(function(){if(!isCancelled[myId]){return callback();}},element);return myId;};return window.cancelAnimationFrame=function(id){return isCancelled[id]=true;};}})();secondsToString=function(sec){var hr,min;hr=Math.floor(sec/3600);min=Math.floor((sec-(hr*3600))/60);sec-=(hr*3600)+(min*60);sec+='';min+='';while(min.length<2){min='0'+min;} while(sec.length<2){sec='0'+sec;} hr=hr?hr+':':'';return hr+min+':'+sec;};formatNumber=function(){var digits,num,value;num=1<=arguments.length?slice.call(arguments,0):[];value=num[0];digits=0||num[1];return addCommas(value.toFixed(digits));};mergeObjects=function(obj1,obj2){var key,out,val;out={};for(key in obj1){if(!hasProp.call(obj1,key))continue;val=obj1[key];out[key]=val;} for(key in obj2){if(!hasProp.call(obj2,key))continue;val=obj2[key];out[key]=val;} return out;};addCommas=function(nStr){var rgx,x,x1,x2;nStr+='';x=nStr.split('.');x1=x[0];x2='';if(x.length>1){x2='.'+x[1];} rgx=/(\d+)(\d{3})/;while(rgx.test(x1)){x1=x1.replace(rgx,'$1'+','+'$2');} return x1+x2;};cutHex=function(nStr){if(nStr.charAt(0)==="#"){return nStr.substring(1,7);} return nStr;};ValueUpdater=(function(){ValueUpdater.prototype.animationSpeed=32;function ValueUpdater(addToAnimationQueue,clear){if(addToAnimationQueue==null){addToAnimationQueue=true;} this.clear=clear!=null?clear:true;if(addToAnimationQueue){AnimationUpdater.add(this);}} ValueUpdater.prototype.update=function(force){var diff;if(force==null){force=false;} if(force||this.displayedValue!==this.value){if(this.ctx&&this.clear){this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height);} diff=this.value-this.displayedValue;if(Math.abs(diff/this.animationSpeed)<=0.001){this.displayedValue=this.value;}else{this.displayedValue=this.displayedValue+diff/this.animationSpeed;} this.render();return true;} return false;};return ValueUpdater;})();BaseGauge=(function(superClass){extend(BaseGauge,superClass);function BaseGauge(){return BaseGauge.__super__.constructor.apply(this,arguments);} BaseGauge.prototype.displayScale=1;BaseGauge.prototype.forceUpdate=true;BaseGauge.prototype.setTextField=function(textField,fractionDigits){return this.textField=textField instanceof TextRenderer?textField:new TextRenderer(textField,fractionDigits);};BaseGauge.prototype.setMinValue=function(minValue,updateStartValue){var gauge,j,len,ref,results;this.minValue=minValue;if(updateStartValue==null){updateStartValue=true;} if(updateStartValue){this.displayedValue=this.minValue;ref=this.gp||[];results=[];for(j=0,len=ref.length;j<len;j++){gauge=ref[j];results.push(gauge.displayedValue=this.minValue);} return results;}};BaseGauge.prototype.setOptions=function(options){if(options==null){options=null;} this.options=mergeObjects(this.options,options);if(this.textField){this.textField.el.style.fontSize=options.fontSize+'px';} if(this.options.angle>.5){this.options.angle=.5;} this.configDisplayScale();return this;};BaseGauge.prototype.configDisplayScale=function(){var backingStorePixelRatio,devicePixelRatio,height,prevDisplayScale,width;prevDisplayScale=this.displayScale;if(this.options.highDpiSupport===false){delete this.displayScale;}else{devicePixelRatio=window.devicePixelRatio||1;backingStorePixelRatio=this.ctx.webkitBackingStorePixelRatio||this.ctx.mozBackingStorePixelRatio||this.ctx.msBackingStorePixelRatio||this.ctx.oBackingStorePixelRatio||this.ctx.backingStorePixelRatio||1;this.displayScale=devicePixelRatio/backingStorePixelRatio;} if(this.displayScale!==prevDisplayScale){width=this.canvas.G__width||this.canvas.width;height=this.canvas.G__height||this.canvas.height;this.canvas.width=width*this.displayScale;this.canvas.height=height*this.displayScale;this.canvas.style.width=width+"px";this.canvas.style.height=height+"px";this.canvas.G__width=width;this.canvas.G__height=height;} return this;};BaseGauge.prototype.parseValue=function(value){value=parseFloat(value)||Number(value);if(isFinite(value)){return value;}else{return 0;}};return BaseGauge;})(ValueUpdater);TextRenderer=(function(){function TextRenderer(el,fractionDigits1){this.el=el;this.fractionDigits=fractionDigits1;} TextRenderer.prototype.render=function(gauge){return this.el.innerHTML=formatNumber(gauge.displayedValue,this.fractionDigits);};return TextRenderer;})();AnimatedText=(function(superClass){extend(AnimatedText,superClass);AnimatedText.prototype.displayedValue=0;AnimatedText.prototype.value=0;AnimatedText.prototype.setVal=function(value){return this.value=1*value;};function AnimatedText(elem1,text){this.elem=elem1;this.text=text!=null?text:false;AnimatedText.__super__.constructor.call(this);if(this.elem===void 0){throw new Error('The element isn\'t defined.');} this.value=1*this.elem.innerHTML;if(this.text){this.value=0;}} AnimatedText.prototype.render=function(){var textVal;if(this.text){textVal=secondsToString(this.displayedValue.toFixed(0));}else{textVal=addCommas(formatNumber(this.displayedValue));} return this.elem.innerHTML=textVal;};return AnimatedText;})(ValueUpdater);AnimatedTextFactory={create:function(objList){var elem,j,len,out;out=[];for(j=0,len=objList.length;j<len;j++){elem=objList[j];out.push(new AnimatedText(elem));} return out;}};GaugePointer=(function(superClass){extend(GaugePointer,superClass);GaugePointer.prototype.displayedValue=0;GaugePointer.prototype.value=0;GaugePointer.prototype.options={strokeWidth:0.035,length:0.1,color:"#000000",iconPath:null,iconScale:1.0,iconAngle:0};GaugePointer.prototype.img=null;function GaugePointer(gauge1){this.gauge=gauge1;if(this.gauge===void 0){throw new Error('The element isn\'t defined.');} this.ctx=this.gauge.ctx;this.canvas=this.gauge.canvas;GaugePointer.__super__.constructor.call(this,false,false);this.setOptions();} GaugePointer.prototype.setOptions=function(options){if(options==null){options=null;} this.options=mergeObjects(this.options,options);this.length=2*this.gauge.radius*this.gauge.options.radiusScale*this.options.length;this.strokeWidth=this.canvas.height*this.options.strokeWidth;this.maxValue=this.gauge.maxValue;this.minValue=this.gauge.minValue;this.animationSpeed=this.gauge.animationSpeed;this.options.angle=this.gauge.options.angle;if(this.options.iconPath){this.img=new Image();return this.img.src=this.options.iconPath;}};GaugePointer.prototype.render=function(){var angle,endX,endY,imgX,imgY,startX,startY,x,y;angle=this.gauge.getAngle.call(this,this.displayedValue);x=Math.round(this.length*Math.cos(angle));y=Math.round(this.length*Math.sin(angle));startX=Math.round(this.strokeWidth*Math.cos(angle-Math.PI/2));startY=Math.round(this.strokeWidth*Math.sin(angle-Math.PI/2));endX=Math.round(this.strokeWidth*Math.cos(angle+Math.PI/2));endY=Math.round(this.strokeWidth*Math.sin(angle+Math.PI/2));this.ctx.beginPath();this.ctx.fillStyle=this.options.color;this.ctx.arc(0,0,this.strokeWidth,0,Math.PI*2,false);this.ctx.fill();this.ctx.beginPath();this.ctx.moveTo(startX,startY);this.ctx.lineTo(x,y);this.ctx.lineTo(endX,endY);this.ctx.fill();if(this.img){imgX=Math.round(this.img.width*this.options.iconScale);imgY=Math.round(this.img.height*this.options.iconScale);this.ctx.save();this.ctx.translate(x,y);this.ctx.rotate(angle+Math.PI/180.0*(90+this.options.iconAngle));this.ctx.drawImage(this.img,-imgX/2,-imgY/2,imgX,imgY);return this.ctx.restore();}};return GaugePointer;})(ValueUpdater);Bar=(function(){function Bar(elem1){this.elem=elem1;} Bar.prototype.updateValues=function(arrValues){this.value=arrValues[0];this.maxValue=arrValues[1];this.avgValue=arrValues[2];return this.render();};Bar.prototype.render=function(){var avgPercent,valPercent;if(this.textField){this.textField.text(formatNumber(this.value));} if(this.maxValue===0){this.maxValue=this.avgValue*2;} valPercent=(this.value/this.maxValue)*100;avgPercent=(this.avgValue/this.maxValue)*100;$(".bar-value",this.elem).css({"width":valPercent+"%"});return $(".typical-value",this.elem).css({"width":avgPercent+"%"});};return Bar;})();Gauge=(function(superClass){extend(Gauge,superClass);Gauge.prototype.elem=null;Gauge.prototype.value=[20];Gauge.prototype.maxValue=80;Gauge.prototype.minValue=0;Gauge.prototype.displayedAngle=0;Gauge.prototype.displayedValue=0;Gauge.prototype.lineWidth=40;Gauge.prototype.paddingTop=0.1;Gauge.prototype.paddingBottom=0.1;Gauge.prototype.percentColors=null;Gauge.prototype.options={colorStart:"#6fadcf",colorStop:void 0,gradientType:0,strokeColor:"#e0e0e0",pointer:{length:0.8,strokeWidth:0.035,iconScale:1.0},angle:0.15,lineWidth:0.44,radiusScale:1.0,fontSize:40,limitMax:false,limitMin:false};function Gauge(canvas){var h,w;this.canvas=canvas;Gauge.__super__.constructor.call(this);this.percentColors=null;if(typeof G_vmlCanvasManager!=='undefined'){this.canvas=window.G_vmlCanvasManager.initElement(this.canvas);} this.ctx=this.canvas.getContext('2d');h=this.canvas.clientHeight;w=this.canvas.clientWidth;this.canvas.height=h;this.canvas.width=w;this.gp=[new GaugePointer(this)];this.setOptions();} Gauge.prototype.setOptions=function(options){var gauge,j,len,phi,ref;if(options==null){options=null;} Gauge.__super__.setOptions.call(this,options);this.configPercentColors();this.extraPadding=0;if(this.options.angle<0){phi=Math.PI*(1+this.options.angle);this.extraPadding=Math.sin(phi);} this.availableHeight=this.canvas.height*(1-this.paddingTop-this.paddingBottom);this.lineWidth=this.availableHeight*this.options.lineWidth;this.radius=(this.availableHeight-this.lineWidth/2)/(1.0+this.extraPadding);this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height);ref=this.gp;for(j=0,len=ref.length;j<len;j++){gauge=ref[j];gauge.setOptions(this.options.pointer);gauge.render();} this.render();return this;};Gauge.prototype.configPercentColors=function(){var bval,gval,i,j,ref,results,rval;this.percentColors=null;if(this.options.percentColors!==void 0){this.percentColors=new Array();results=[];for(i=j=0,ref=this.options.percentColors.length-1;0<=ref?j<=ref:j>=ref;i=0<=ref?++j:--j){rval=parseInt((cutHex(this.options.percentColors[i][1])).substring(0,2),16);gval=parseInt((cutHex(this.options.percentColors[i][1])).substring(2,4),16);bval=parseInt((cutHex(this.options.percentColors[i][1])).substring(4,6),16);results.push(this.percentColors[i]={pct:this.options.percentColors[i][0],color:{r:rval,g:gval,b:bval}});} return results;}};Gauge.prototype.set=function(value){var gp,i,j,l,len,m,ref,ref1,val;if(!(value instanceof Array)){value=[value];} for(i=j=0,ref=value.length-1;0<=ref?j<=ref:j>=ref;i=0<=ref?++j:--j){value[i]=this.parseValue(value[i]);} if(value.length>this.gp.length){for(i=l=0,ref1=value.length-this.gp.length;0<=ref1?l<ref1:l>ref1;i=0<=ref1?++l:--l){gp=new GaugePointer(this);gp.setOptions(this.options.pointer);this.gp.push(gp);}}else if(value.length<this.gp.length){this.gp=this.gp.slice(this.gp.length-value.length);} i=0;for(m=0,len=value.length;m<len;m++){val=value[m];if(val>this.maxValue){if(this.options.limitMax){val=this.maxValue;}else{this.maxValue=val+1;}}else if(val<this.minValue){if(this.options.limitMin){val=this.minValue;}else{this.minValue=val-1;}} this.gp[i].value=val;this.gp[i++].setOptions({minValue:this.minValue,maxValue:this.maxValue,angle:this.options.angle});} this.value=Math.max(Math.min(value[value.length-1],this.maxValue),this.minValue);AnimationUpdater.add(this);AnimationUpdater.run(this.forceUpdate);return this.forceUpdate=false;};Gauge.prototype.getAngle=function(value){return(1+this.options.angle)*Math.PI+((value-this.minValue)/(this.maxValue-this.minValue))*(1-this.options.angle*2)*Math.PI;};Gauge.prototype.getColorForPercentage=function(pct,grad){var color,endColor,i,j,rangePct,ref,startColor;if(pct===0){color=this.percentColors[0].color;}else{color=this.percentColors[this.percentColors.length-1].color;for(i=j=0,ref=this.percentColors.length-1;0<=ref?j<=ref:j>=ref;i=0<=ref?++j:--j){if(pct<=this.percentColors[i].pct){if(grad===true){startColor=this.percentColors[i-1]||this.percentColors[0];endColor=this.percentColors[i];rangePct=(pct-startColor.pct)/(endColor.pct-startColor.pct);color={r:Math.floor(startColor.color.r*(1-rangePct)+endColor.color.r*rangePct),g:Math.floor(startColor.color.g*(1-rangePct)+endColor.color.g*rangePct),b:Math.floor(startColor.color.b*(1-rangePct)+endColor.color.b*rangePct)};}else{color=this.percentColors[i].color;} break;}}} return 'rgb('+[color.r,color.g,color.b].join(',')+')';};Gauge.prototype.getColorForValue=function(val,grad){var pct;pct=(val-this.minValue)/(this.maxValue-this.minValue);return this.getColorForPercentage(pct,grad);};Gauge.prototype.renderStaticLabels=function(staticLabels,w,h,radius){var font,fontsize,j,len,match,re,ref,rest,rotationAngle,value;this.ctx.save();this.ctx.translate(w,h);font=staticLabels.font||"10px Times";re=/\d+\.?\d?/;match=font.match(re)[0];rest=font.slice(match.length);fontsize=parseFloat(match)*this.displayScale;this.ctx.font=fontsize+rest;this.ctx.fillStyle=staticLabels.color||"#000000";this.ctx.textBaseline="bottom";this.ctx.textAlign="center";ref=staticLabels.labels;for(j=0,len=ref.length;j<len;j++){value=ref[j];if(value.label!==void 0){if((!this.options.limitMin||value>=this.minValue)&&(!this.options.limitMax||value<=this.maxValue)){font=value.font||staticLabels.font;match=font.match(re)[0];rest=font.slice(match.length);fontsize=parseFloat(match)*this.displayScale;this.ctx.font=fontsize+rest;rotationAngle=this.getAngle(value.label)-3*Math.PI/2;this.ctx.rotate(rotationAngle);this.ctx.fillText(formatNumber(value.label,staticLabels.fractionDigits),0,-radius-this.lineWidth/2);this.ctx.rotate(-rotationAngle);}}else{if((!this.options.limitMin||value>=this.minValue)&&(!this.options.limitMax||value<=this.maxValue)){rotationAngle=this.getAngle(value)-3*Math.PI/2;this.ctx.rotate(rotationAngle);this.ctx.fillText(formatNumber(value,staticLabels.fractionDigits),0,-radius-this.lineWidth/2);this.ctx.rotate(-rotationAngle);}}} return this.ctx.restore();};Gauge.prototype.renderTicks=function(ticksOptions,w,h,radius){var currentDivision,currentSubDivision,divColor,divLength,divWidth,divisionCount,j,lineWidth,range,rangeDivisions,ref,results,scaleMutate,st,subColor,subDivisions,subLength,subWidth,subdivisionCount,t,tmpRadius;if(ticksOptions!=={}){divisionCount=ticksOptions.divisions||0;subdivisionCount=ticksOptions.subDivisions||0;divColor=ticksOptions.divColor||'#fff';subColor=ticksOptions.subColor||'#fff';divLength=ticksOptions.divLength||0.7;subLength=ticksOptions.subLength||0.2;range=parseFloat(this.maxValue)-parseFloat(this.minValue);rangeDivisions=parseFloat(range)/parseFloat(ticksOptions.divisions);subDivisions=parseFloat(rangeDivisions)/parseFloat(ticksOptions.subDivisions);currentDivision=parseFloat(this.minValue);currentSubDivision=0.0+subDivisions;lineWidth=range/400;divWidth=lineWidth*(ticksOptions.divWidth||1);subWidth=lineWidth*(ticksOptions.subWidth||1);results=[];for(t=j=0,ref=divisionCount+1;j<ref;t=j+=1){this.ctx.lineWidth=this.lineWidth*divLength;scaleMutate=(this.lineWidth/2)*(1-divLength);tmpRadius=(this.radius*this.options.radiusScale)+scaleMutate;this.ctx.strokeStyle=divColor;this.ctx.beginPath();this.ctx.arc(0,0,tmpRadius,this.getAngle(currentDivision-divWidth),this.getAngle(currentDivision+divWidth),false);this.ctx.stroke();currentSubDivision=currentDivision+subDivisions;currentDivision+=rangeDivisions;if(t!==ticksOptions.divisions&&subdivisionCount>0){results.push((function(){var l,ref1,results1;results1=[];for(st=l=0,ref1=subdivisionCount-1;l<ref1;st=l+=1){this.ctx.lineWidth=this.lineWidth*subLength;scaleMutate=(this.lineWidth/2)*(1-subLength);tmpRadius=(this.radius*this.options.radiusScale)+scaleMutate;this.ctx.strokeStyle=subColor;this.ctx.beginPath();this.ctx.arc(0,0,tmpRadius,this.getAngle(currentSubDivision-subWidth),this.getAngle(currentSubDivision+subWidth),false);this.ctx.stroke();results1.push(currentSubDivision+=subDivisions);} return results1;}).call(this));}else{results.push(void 0);}} return results;}};Gauge.prototype.render=function(){var displayedAngle,fillStyle,gauge,h,j,l,len,len1,max,min,radius,ref,ref1,scaleMutate,tmpRadius,w,zone;w=this.canvas.width/2;h=(this.canvas.height*this.paddingTop+this.availableHeight)-((this.radius+this.lineWidth/2)*this.extraPadding);displayedAngle=this.getAngle(this.displayedValue);if(this.textField){this.textField.render(this);} this.ctx.lineCap="butt";radius=this.radius*this.options.radiusScale;if(this.options.staticLabels){this.renderStaticLabels(this.options.staticLabels,w,h,radius);} if(this.options.staticZones){this.ctx.save();this.ctx.translate(w,h);this.ctx.lineWidth=this.lineWidth;ref=this.options.staticZones;for(j=0,len=ref.length;j<len;j++){zone=ref[j];min=zone.min;if(this.options.limitMin&&min<this.minValue){min=this.minValue;} max=zone.max;if(this.options.limitMax&&max>this.maxValue){max=this.maxValue;} tmpRadius=this.radius*this.options.radiusScale;if(zone.height){this.ctx.lineWidth=this.lineWidth*zone.height;scaleMutate=(this.lineWidth/2)*(zone.offset||1-zone.height);tmpRadius=(this.radius*this.options.radiusScale)+scaleMutate;} this.ctx.strokeStyle=zone.strokeStyle;this.ctx.beginPath();this.ctx.arc(0,0,tmpRadius,this.getAngle(min),this.getAngle(max),false);this.ctx.stroke();}}else{if(this.options.customFillStyle!==void 0){fillStyle=this.options.customFillStyle(this);}else if(this.percentColors!==null){fillStyle=this.getColorForValue(this.displayedValue,this.options.generateGradient);}else if(this.options.colorStop!==void 0){if(this.options.gradientType===0){fillStyle=this.ctx.createRadialGradient(w,h,9,w,h,70);}else{fillStyle=this.ctx.createLinearGradient(0,0,w,0);} fillStyle.addColorStop(0,this.options.colorStart);fillStyle.addColorStop(1,this.options.colorStop);}else{fillStyle=this.options.colorStart;} this.ctx.strokeStyle=fillStyle;this.ctx.beginPath();this.ctx.arc(w,h,radius,(1+this.options.angle)*Math.PI,displayedAngle,false);this.ctx.lineWidth=this.lineWidth;this.ctx.stroke();this.ctx.strokeStyle=this.options.strokeColor;this.ctx.beginPath();this.ctx.arc(w,h,radius,displayedAngle,(2-this.options.angle)*Math.PI,false);this.ctx.stroke();this.ctx.save();this.ctx.translate(w,h);} if(this.options.renderTicks){this.renderTicks(this.options.renderTicks,w,h,radius);} this.ctx.restore();this.ctx.translate(w,h);ref1=this.gp;for(l=0,len1=ref1.length;l<len1;l++){gauge=ref1[l];gauge.update(true);} return this.ctx.translate(-w,-h);};return Gauge;})(BaseGauge);BaseDonut=(function(superClass){extend(BaseDonut,superClass);BaseDonut.prototype.lineWidth=15;BaseDonut.prototype.displayedValue=0;BaseDonut.prototype.value=33;BaseDonut.prototype.maxValue=80;BaseDonut.prototype.minValue=0;BaseDonut.prototype.options={lineWidth:0.10,colorStart:"#6f6ea0",colorStop:"#c0c0db",strokeColor:"#eeeeee",shadowColor:"#d5d5d5",angle:0.35,radiusScale:1.0};function BaseDonut(canvas){this.canvas=canvas;BaseDonut.__super__.constructor.call(this);if(typeof G_vmlCanvasManager!=='undefined'){this.canvas=window.G_vmlCanvasManager.initElement(this.canvas);} this.ctx=this.canvas.getContext('2d');this.setOptions();this.render();} BaseDonut.prototype.getAngle=function(value){return(1-this.options.angle)*Math.PI+((value-this.minValue)/(this.maxValue-this.minValue))*((2+this.options.angle)-(1-this.options.angle))*Math.PI;};BaseDonut.prototype.setOptions=function(options){if(options==null){options=null;} BaseDonut.__super__.setOptions.call(this,options);this.lineWidth=this.canvas.height*this.options.lineWidth;this.radius=this.options.radiusScale*(this.canvas.height/2-this.lineWidth/2);return this;};BaseDonut.prototype.set=function(value){this.value=this.parseValue(value);if(this.value>this.maxValue){if(this.options.limitMax){this.value=this.maxValue;}else{this.maxValue=this.value;}}else if(this.value<this.minValue){if(this.options.limitMin){this.value=this.minValue;}else{this.minValue=this.value;}} AnimationUpdater.add(this);AnimationUpdater.run(this.forceUpdate);return this.forceUpdate=false;};BaseDonut.prototype.render=function(){var displayedAngle,grdFill,h,start,stop,w;displayedAngle=this.getAngle(this.displayedValue);w=this.canvas.width/2;h=this.canvas.height/2;if(this.textField){this.textField.render(this);} grdFill=this.ctx.createRadialGradient(w,h,39,w,h,70);grdFill.addColorStop(0,this.options.colorStart);grdFill.addColorStop(1,this.options.colorStop);start=this.radius-this.lineWidth/2;stop=this.radius+this.lineWidth/2;this.ctx.strokeStyle=this.options.strokeColor;this.ctx.beginPath();this.ctx.arc(w,h,this.radius,(1-this.options.angle)*Math.PI,(2+this.options.angle)*Math.PI,false);this.ctx.lineWidth=this.lineWidth;this.ctx.lineCap="round";this.ctx.stroke();this.ctx.strokeStyle=grdFill;this.ctx.beginPath();this.ctx.arc(w,h,this.radius,(1-this.options.angle)*Math.PI,displayedAngle,false);return this.ctx.stroke();};return BaseDonut;})(BaseGauge);Donut=(function(superClass){extend(Donut,superClass);function Donut(){return Donut.__super__.constructor.apply(this,arguments);} Donut.prototype.strokeGradient=function(w,h,start,stop){var grd;grd=this.ctx.createRadialGradient(w,h,start,w,h,stop);grd.addColorStop(0,this.options.shadowColor);grd.addColorStop(0.12,this.options._orgStrokeColor);grd.addColorStop(0.88,this.options._orgStrokeColor);grd.addColorStop(1,this.options.shadowColor);return grd;};Donut.prototype.setOptions=function(options){var h,start,stop,w;if(options==null){options=null;} Donut.__super__.setOptions.call(this,options);w=this.canvas.width/2;h=this.canvas.height/2;start=this.radius-this.lineWidth/2;stop=this.radius+this.lineWidth/2;this.options._orgStrokeColor=this.options.strokeColor;this.options.strokeColor=this.strokeGradient(w,h,start,stop);return this;};return Donut;})(BaseDonut);window.AnimationUpdater={elements:[],animId:null,addAll:function(list){var elem,j,len,results;results=[];for(j=0,len=list.length;j<len;j++){elem=list[j];results.push(AnimationUpdater.elements.push(elem));} return results;},add:function(object){if(indexOf.call(AnimationUpdater.elements,object)<0){return AnimationUpdater.elements.push(object);}},run:function(force){var elem,finished,isCallback,j,k,l,len,ref,toRemove;if(force==null){force=false;} isCallback=isFinite(parseFloat(force));if(isCallback||force===true){finished=true;toRemove=[];ref=AnimationUpdater.elements;for(k=j=0,len=ref.length;j<len;k=++j){elem=ref[k];if(elem.update(force===true)){finished=false;}else{toRemove.push(k);}} for(l=toRemove.length-1;l>=0;l+=-1){k=toRemove[l];AnimationUpdater.elements.splice(k,1);} return AnimationUpdater.animId=finished?null:requestAnimationFrame(AnimationUpdater.run);}else if(force===false){if(AnimationUpdater.animId===!null){cancelAnimationFrame(AnimationUpdater.animId);} return AnimationUpdater.animId=requestAnimationFrame(AnimationUpdater.run);}}};if(typeof window.define==='function'&&(window.define.amd!=null)){define(function(){return{Gauge:Gauge,Donut:Donut,BaseDonut:BaseDonut,TextRenderer:TextRenderer};});}else if(typeof module!=='undefined'&&(module.exports!=null)){module.exports={Gauge:Gauge,Donut:Donut,BaseDonut:BaseDonut,TextRenderer:TextRenderer};}else{window.Gauge=Gauge;window.Donut=Donut;window.BaseDonut=BaseDonut;window.TextRenderer=TextRenderer;}}).call(this);