!function(t){"function"==typeof define&&define.amd?define(t):t()}((function(){"use strict";
/**
   * [chartjs-plugin-labels]{@link https://github.com/DavideViolante/chartjs-plugin-labels}
   *
   * @version 5.0.1-beta
   * @author Chen, Yi-Cyuan [emn178@gmail.com], Davide Violante, Yousef Altaher
   * @copyright Chen, Yi-Cyuan 2017-2018
   * @license MIT
   */!function(){if("undefined"==typeof Chart)return void console.error("Cannot find Chart object.");const t=Chart.helpers;"function"!=typeof Object.assign&&(Object.assign=function(t){if(!t)throw new TypeError("Cannot convert undefined or null to object");const e=Object(t);for(let t=1;t<arguments.length;t++){const o=arguments[t];if(o)for(const t in o)Object.prototype.hasOwnProperty.call(o,t)&&(e[t]=o[t])}return e});const e={};function o(){this.renderToDataset=this.renderToDataset.bind(this)}function n(t){const e=t._context.chart.config._config;return!(!e.options||!e.options.plugins)&&!!e.options.plugins.labels}["pie","doughnut","polarArea","bar"].forEach((function(t){e[t]=!0})),o.prototype.setup=function(t,e){this.chart=t,this.ctx=t.ctx,this.args={},this.barTotal={};const o=t.config.options;this.options=Object.assign({position:"default",precision:0,fontSize:o.font?o.font.size:12,fontColor:o.color||"#333333",fontStyle:o.font?o.font.style:"normal",fontFamily:o.font?o.font.family:"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",shadowOffsetX:3,shadowOffsetY:3,shadowColor:"rgba(0,0,0,0.3)",shadowBlur:6,images:[],outsidePadding:2,textMargin:2,overlap:!0},e),"bar"===t.config.type&&(this.options.position="default",this.options.arc=!1,this.options.overlap=!0)},o.prototype.render=function(){this.labelBounds=[],this.chart.data.datasets.forEach(this.renderToDataset)},o.prototype.renderToDataset=function(t,e){this.totalPercentage=0,this.total=null;const o=this.args[e];o.meta.data.forEach(function(e,n){this.renderToElement(t,o,e,n)}.bind(this))},o.prototype.renderToElement=function(e,o,n,i){if(!this.shouldRenderToElement(o.meta,n))return;this.percentage=null;const s=this.getLabel(e,n,i);if(!s)return;const r=this.ctx;r.save(),r.font=t.fontString(this.options.fontSize,this.options.fontStyle,this.options.fontFamily);const a=this.getRenderInfo(n,s);this.drawable(n,s,a)?(r.beginPath(),r.fillStyle=this.getFontColor(e,n,i),this.renderLabel(s,a),r.restore()):r.restore()},o.prototype.renderLabel=function(t,e){return this.options.arc?this.renderArcLabel(t,e):this.renderBaseLabel(t,e)},o.prototype.renderBaseLabel=function(t,e){const o=this.ctx;if("object"==typeof t)o.drawImage(t,e.x-t.width/2,e.y-t.height/2,t.width,t.height);else{o.save(),o.textBaseline="top",o.textAlign="center",this.options.textShadow&&(o.shadowOffsetX=this.options.shadowOffsetX,o.shadowOffsetY=this.options.shadowOffsetY,o.shadowColor=this.options.shadowColor,o.shadowBlur=this.options.shadowBlur);const n=t.split("\n");for(let t=0;t<n.length;t++){const i=e.y-this.options.fontSize/2*n.length+this.options.fontSize*t;o.fillText(n[t],e.x,i)}o.restore()}},o.prototype.renderArcLabel=function(t,e){const o=this.ctx,n=e.radius,i=e.view;if(o.save(),o.translate(i.x,i.y),"string"==typeof t){o.rotate(e.startAngle),o.textBaseline="middle",o.textAlign="left";const i=t.split("\n");let s=0;const r=[];let a,h=0;"border"===this.options.position&&(h=(i.length-1)*this.options.fontSize/2);for(let t=0;t<i.length;++t)a=o.measureText(i[t]),a.width>s&&(s=a.width),r.push(a.width);for(let t=0;t<i.length;++t){const e=i[t],l=(i.length-1-t)*-this.options.fontSize+h;o.save();const c=(s-r[t])/2;o.rotate(c/n);for(let t=0;t<e.length;t++){const i=e.charAt(t);a=o.measureText(i),o.save(),o.translate(0,-1*n),o.fillText(i,0,l),o.restore(),o.rotate(a.width/n)}o.restore()}}else o.rotate((i.startAngle+Math.PI/2+e.endAngle)/2),o.translate(0,-1*n),this.renderLabel(t,{x:0,y:0});o.restore()},o.prototype.shouldRenderToElement=function(t,e){return!t.hidden&&(this.options.showZero||"polarArea"===this.chart.config.type?0!==e.outerRadius:0!==e.circumference)},o.prototype.getLabel=function(t,e,o){let n;if("function"==typeof this.options.render)n=this.options.render({label:this.chart.config.data.labels[o],value:t.data[o],percentage:this.getPercentage(t,e,o),dataset:t,index:o});else switch(this.options.render){case"value":n=t.data[o];break;case"label":n=this.chart.config.data.labels[o];break;case"image":n=this.options.images[o]?this.loadImage(this.options.images[o]):"";break;default:n=this.getPercentage(t,e,o)+"%"}return"object"==typeof n?n=this.loadImage(n):n&&(n=n.toString()),n},o.prototype.getFontColor=function(t,e,o){let n=this.options.fontColor;return"function"==typeof n?n=n({label:this.chart.config.data.labels[o],value:t.data[o],percentage:this.getPercentage(t,e,o),backgroundColor:t.backgroundColor[o],dataset:t,index:o}):"string"!=typeof n&&(n=n[o]||this.chart.config.options.color),n},o.prototype.getPercentage=function(t,e,o){if(this.percentage)return this.percentage;let n;if("polarArea"===this.chart.config.type||"doughnut"===this.chart.config.type||"pie"===this.chart.config.type){if(!this.total){this.total=0;for(let e=0;e<t.data.length;++e)this.total+=t.data[e]}n=t.data[o]/this.total*100}else if("bar"===this.chart.config.type){if(!this.barTotal[o]){this.barTotal[o]=0;for(let t=0;t<this.chart.data.datasets.length;++t)this.barTotal[o]+=this.chart.data.datasets[t].data[o]}n=t.data[o]/this.barTotal[o]*100}else n=e.circumference/this.chart.config.options.circumference*100;return n=parseFloat(n.toFixed(this.options.precision)),this.options.showActualPercentages||("bar"===this.chart.config.type&&(this.totalPercentage=this.barTotalPercentage[o]||0),this.totalPercentage+=n,this.totalPercentage>100&&(n-=this.totalPercentage-100,n=parseFloat(n.toFixed(this.options.precision))),"bar"===this.chart.config.type&&(this.barTotalPercentage[o]=this.totalPercentage)),this.percentage=n,n},o.prototype.getRenderInfo=function(t,e){return"bar"===this.chart.config.type?this.getBarRenderInfo(t,e):this.options.arc?this.getArcRenderInfo(t,e):this.getBaseRenderInfo(t,e)},o.prototype.getBaseRenderInfo=function(t,e){if("outside"===this.options.position||"border"===this.options.position){let o,n={};const i=t,s=i.startAngle+(i.endAngle-i.startAngle)/2,r=i.outerRadius/2;if("border"===this.options.position?o=(i.outerRadius-r)/2+r:"outside"===this.options.position&&(o=i.outerRadius-r+r+this.options.textMargin),n={x:i.x+Math.cos(s)*o,y:i.y+Math.sin(s)*o},"outside"===this.options.position){const t=this.options.textMargin+this.measureLabel(e).width/2;n.x+=n.x<i.x?-t:t}return n}return t.tooltipPosition()},o.prototype.getArcRenderInfo=function(t,e){let o;const n=t;o="outside"===this.options.position?n.outerRadius+this.options.fontSize+this.options.textMargin:"border"===this.options.position?(n.outerRadius/2+n.outerRadius)/2:(n.innerRadius+n.outerRadius)/2;let i=n.startAngle,s=n.endAngle;const r=s-i;i+=Math.PI/2,s+=Math.PI/2;return i+=(s-(this.measureLabel(e).width/o+i))/2,{radius:o,startAngle:i,endAngle:s,totalAngle:r,view:n}},o.prototype.getBarRenderInfo=function(t,e){const o=t.tooltipPosition();return o.y-=this.measureLabel(e).height/2+this.options.textMargin,o},o.prototype.drawable=function(t,e,o){if(this.options.overlap)return!0;if(this.options.arc)return o.endAngle-o.startAngle<=o.totalAngle;{const n=this.measureLabel(e),i=o.x-n.width/2,s=o.x+n.width/2,r=o.y-n.height/2,a=o.y+n.height/2;return"outside"===this.options.position?this.outsideInRange(i,s,r,a):t.inRange(i,r)&&t.inRange(i,a)&&t.inRange(s,r)&&t.inRange(s,a)}},o.prototype.outsideInRange=function(t,e,o,n){const i=this.labelBounds;for(let s=0;s<i.length;++s){const r=i[s];let a=[[t,o],[t,n],[e,o],[e,n]];for(let t=0;t<a.length;++t){const e=a[t][0],o=a[t][1];if(e>=r.left&&e<=r.right&&o>=r.top&&o<=r.bottom)return!1}a=[[r.left,r.top],[r.left,r.bottom],[r.right,r.top],[r.right,r.bottom]];for(let i=0;i<a.length;++i){const s=a[i][0],r=a[i][1];if(s>=t&&s<=e&&r>=o&&r<=n)return!1}}return i.push({left:t,right:e,top:o,bottom:n}),!0},o.prototype.measureLabel=function(t){if("object"==typeof t)return{width:t.width,height:t.height};{let e=0;const o=t.split("\n");for(let t=0;t<o.length;++t){const n=this.ctx.measureText(o[t]);n.width>e&&(e=n.width)}return{width:e,height:this.options.fontSize*o.length}}},o.prototype.loadImage=function(t){const e=new Image;return e.src=t.src,e.width=t.width,e.height=t.height,e},Chart.register({id:"labels",beforeDatasetsUpdate:function(t,i,s){if(!e[t.config.type]||!n(s))return;s.length||(s=[s]);const r=s.length;t._labels&&r===t._labels.length||(t._labels=s.map((function(){return new o})));let a=!1,h=0;for(let e=0;e<r;++e){const o=t._labels[e];if(o.setup(t,s[e]),"outside"===o.options.position){a=!0;const t=1.5*o.options.fontSize+o.options.outsidePadding;t>h&&(h=t)}}a&&(t.chartArea.top+=h,t.chartArea.bottom-=h)},afterDatasetUpdate:function(t,o,i){e[t.config.type]&&n(i)&&t._labels?.forEach((function(t){t.args[o.index]=o}))},beforeDraw:function(t,o,i){e[t.config.type]&&n(i)&&t._labels?.forEach((function(t){t.barTotalPercentage={}}))},afterDatasetsDraw:function(t,o,i){e[t.config.type]&&n(i)&&t._labels?.forEach((function(t){t.render()}))}})}()}));