NGToolsCSharp/NGTools/Scripts/Highcharts-7.1.1/code/modules/series-label.js

/*
 Highcharts JS v7.1.1 (2019-04-09)

 (c) 2009-2019 Torstein Honsi

 License: www.highcharts.com/license
*/
(function(g){"object"===typeof module&&module.exports?(g["default"]=g,module.exports=g):"function"===typeof define&&define.amd?define("highcharts/modules/series-label",["highcharts"],function(p){g(p);g.Highcharts=p;return g}):g("undefined"!==typeof Highcharts?Highcharts:void 0)})(function(g){function p(w,g,t,p){w.hasOwnProperty(g)||(w[g]=p.apply(null,t))}g=g?g._modules:{};p(g,"modules/series-label.src.js",[g["parts/Globals.js"]],function(g){function p(d,c,a,h,e,f){d=(f-c)*(a-d)-(h-c)*(e-d);return 0<
d?!0:!(0>d)}function t(d,c,a,h,e,f,b,k){return p(d,c,e,f,b,k)!==p(a,h,e,f,b,k)&&p(d,c,a,h,e,f)!==p(d,c,a,h,b,k)}function w(d,c,a,h,e,f,b,k){return t(d,c,d+a,c,e,f,b,k)||t(d+a,c,d+a,c+h,e,f,b,k)||t(d,c+h,d+a,c+h,e,f,b,k)||t(d,c,d,c+h,e,f,b,k)}function B(d){var c=this,a=Math.max(g.animObject(c.renderer.globalAnimation).duration,250);c.labelSeries=[];c.labelSeriesMaxSum=0;g.clearTimeout(c.seriesLabelTimer);c.series.forEach(function(h){var e=h.options.label,f=h.labelBySeries,b=f&&f.closest;e.enabled&&
h.visible&&(h.graph||h.area)&&!h.isSeriesBoosting&&(c.labelSeries.push(h),e.minFontSize&&e.maxFontSize&&(h.sum=h.yData.reduce(function(a,b){return(a||0)+(b||0)},0),c.labelSeriesMaxSum=Math.max(c.labelSeriesMaxSum,h.sum)),"load"===d.type&&(a=Math.max(a,g.animObject(h.options.animation).duration)),b&&(void 0!==b[0].plotX?f.animate({x:b[0].plotX+b[1],y:b[0].plotY+b[2]}):f.attr({opacity:0})))});c.seriesLabelTimer=g.syncTimeout(function(){c.series&&c.labelSeries&&c.drawSeriesLabels()},c.renderer.forExport?
0:a)}var C=g.addEvent,D=g.extend,x=g.isNumber,y=g.pick,z=g.Series,E=g.SVGRenderer,A=g.Chart;g.setOptions({plotOptions:{series:{label:{enabled:!0,connectorAllowed:!1,connectorNeighbourDistance:24,minFontSize:null,maxFontSize:null,onArea:null,style:{fontWeight:"bold"},boxesToAvoid:[]}}}});E.prototype.symbols.connector=function(d,c,a,h,e){var f=e&&e.anchorX;e=e&&e.anchorY;var b,k,l=a/2;x(f)&&x(e)&&(b=["M",f,e],k=c-e,0>k&&(k=-h-k),k<a&&(l=f<d+a/2?k:a-k),e>c+h?b.push("L",d+l,c+h):e<c?b.push("L",d+l,c):
f<d?b.push("L",d,c+h/2):f>d+a&&b.push("L",d+a,c+h/2));return b||[]};z.prototype.getPointsOnGraph=function(){function d(a){var b=Math.round(a.plotX/8)+","+Math.round(a.plotY/8);p[b]||(p[b]=1,e.push(a))}if(this.xAxis||this.yAxis){var c=this.points,a,h,e=[],f,b,k,l;b=this.graph||this.area;k=b.element;var g=this.chart.inverted,v=this.xAxis;a=this.yAxis;var r=g?a.pos:v.pos,g=g?v.pos:a.pos,v=y(this.options.label.onArea,!!this.area),m=a.getThreshold(this.options.threshold),p={};if(this.getPointSpline&&k.getPointAtLength&&
!v&&c.length<this.chart.plotSizeX/16){b.toD&&(h=b.attr("d"),b.attr({d:b.toD}));l=k.getTotalLength();for(f=0;f<l;f+=16)a=k.getPointAtLength(f),d({chartX:r+a.x,chartY:g+a.y,plotX:a.x,plotY:a.y});h&&b.attr({d:h});a=c[c.length-1];a.chartX=r+a.plotX;a.chartY=g+a.plotY;d(a)}else for(l=c.length,f=0;f<l;f+=1){a=c[f];h=c[f-1];a.chartX=r+a.plotX;a.chartY=g+a.plotY;v&&(a.chartCenterY=g+(a.plotY+y(a.yBottom,m))/2);if(0<f&&(b=Math.abs(a.chartX-h.chartX),k=Math.abs(a.chartY-h.chartY),b=Math.max(b,k),16<b))for(b=
Math.ceil(b/16),k=1;k<b;k+=1)d({chartX:h.chartX+k/b*(a.chartX-h.chartX),chartY:h.chartY+k/b*(a.chartY-h.chartY),chartCenterY:h.chartCenterY+k/b*(a.chartCenterY-h.chartCenterY),plotX:h.plotX+k/b*(a.plotX-h.plotX),plotY:h.plotY+k/b*(a.plotY-h.plotY)});x(a.plotY)&&d(a)}return e}};z.prototype.labelFontSize=function(d,c){return d+this.sum/this.chart.labelSeriesMaxSum*(c-d)+"px"};z.prototype.checkClearPoint=function(d,c,a,h){var e=Number.MAX_VALUE,f=Number.MAX_VALUE,b,k,l=y(this.options.label.onArea,!!this.area),
g=l||this.options.label.connectorAllowed,v=this.chart,r,m,p,t,q,n;for(q=0;q<v.boxesToAvoid.length;q+=1)if(m=v.boxesToAvoid[q],n=d+a.width,r=c,p=c+a.height,!(d>m.right||n<m.left||r>m.bottom||p<m.top))return!1;for(q=0;q<v.series.length;q+=1)if(r=v.series[q],m=r.interpolatedPoints,r.visible&&m){for(n=1;n<m.length;n+=1){if(m[n].chartX>=d-16&&m[n-1].chartX<=d+a.width+16){if(w(d,c,a.width,a.height,m[n-1].chartX,m[n-1].chartY,m[n].chartX,m[n].chartY))return!1;this===r&&!b&&h&&(b=w(d-16,c-16,a.width+32,a.height+
32,m[n-1].chartX,m[n-1].chartY,m[n].chartX,m[n].chartY))}!g&&!b||this===r&&!l||(p=d+a.width/2-m[n].chartX,t=c+a.height/2-m[n].chartY,e=Math.min(e,p*p+t*t))}if(!l&&g&&this===r&&(h&&!b||e<Math.pow(this.options.label.connectorNeighbourDistance,2))){for(n=1;n<m.length;n+=1)b=Math.min(Math.pow(d+a.width/2-m[n].chartX,2)+Math.pow(c+a.height/2-m[n].chartY,2),Math.pow(d-m[n].chartX,2)+Math.pow(c-m[n].chartY,2),Math.pow(d+a.width-m[n].chartX,2)+Math.pow(c-m[n].chartY,2),Math.pow(d+a.width-m[n].chartX,2)+Math.pow(c+
a.height-m[n].chartY,2),Math.pow(d-m[n].chartX,2)+Math.pow(c+a.height-m[n].chartY,2)),b<f&&(f=b,k=m[n]);b=!0}}return!h||b?{x:d,y:c,weight:e-(k?f:0),connectorPoint:k}:!1};A.prototype.drawSeriesLabels=function(){var d=this,c=this.labelSeries;d.boxesToAvoid=[];c.forEach(function(a){a.interpolatedPoints=a.getPointsOnGraph();(a.options.label.boxesToAvoid||[]).forEach(function(a){d.boxesToAvoid.push(a)})});d.series.forEach(function(a){function c(a,b,c){var d=Math.max(r,y(x,-Infinity)),e=Math.min(r+t,y(z,
Infinity));return a>d&&a<=e-c.width&&b>=m&&b<=m+w-c.height}if(a.xAxis||a.yAxis){var e,f,b,k=[],l,g,p=a.options.label,r=(b=d.inverted)?a.yAxis.pos:a.xAxis.pos,m=b?a.xAxis.pos:a.yAxis.pos,t=d.inverted?a.yAxis.len:a.xAxis.len,w=d.inverted?a.xAxis.len:a.yAxis.len,q=a.interpolatedPoints,n=y(p.onArea,!!a.area),u=a.labelBySeries;e=p.minFontSize;f=p.maxFontSize;var x,z;n&&!b&&(b=[a.xAxis.toPixels(a.xData[0]),a.xAxis.toPixels(a.xData[a.xData.length-1])],x=Math.min.apply(Math,b),z=Math.max.apply(Math,b));if(a.visible&&
!a.isSeriesBoosting&&q){u||(a.labelBySeries=u=d.renderer.label(a.name,0,-9999,"connector").addClass("highcharts-series-label highcharts-series-label-"+a.index+" "+(a.options.className||"")).css(D({color:n?d.renderer.getContrast(a.color):a.color},a.options.label.style)),e&&f&&u.css({fontSize:a.labelFontSize(e,f)}),u.attr({padding:0,opacity:d.renderer.forExport?1:0,stroke:a.color,"stroke-width":1,zIndex:3}).add().animate({opacity:1},{duration:200}));e=u.getBBox();e.width=Math.round(e.width);for(g=q.length-
1;0<g;--g)n?(f=q[g].chartX-e.width/2,b=q[g].chartCenterY-e.height/2,c(f,b,e)&&(l=a.checkClearPoint(f,b,e))):(f=q[g].chartX+3,b=q[g].chartY-e.height-3,c(f,b,e)&&(l=a.checkClearPoint(f,b,e,!0)),l&&k.push(l),f=q[g].chartX+3,b=q[g].chartY+3,c(f,b,e)&&(l=a.checkClearPoint(f,b,e,!0)),l&&k.push(l),f=q[g].chartX-e.width-3,b=q[g].chartY+3,c(f,b,e)&&(l=a.checkClearPoint(f,b,e,!0)),l&&k.push(l),f=q[g].chartX-e.width-3,b=q[g].chartY-e.height-3,c(f,b,e)&&(l=a.checkClearPoint(f,b,e,!0))),l&&k.push(l);if(p.connectorAllowed&&
!k.length&&!n)for(f=r+t-e.width;f>=r;f-=16)for(b=m;b<m+w-e.height;b+=16)(l=a.checkClearPoint(f,b,e,!0))&&k.push(l);if(k.length){if(k.sort(function(a,b){return b.weight-a.weight}),l=k[0],d.boxesToAvoid.push({left:l.x,right:l.x+e.width,top:l.y,bottom:l.y+e.height}),k=Math.sqrt(Math.pow(Math.abs(l.x-u.x),2),Math.pow(Math.abs(l.y-u.y),2)))p={opacity:d.renderer.forExport?1:0,x:l.x,y:l.y},q={opacity:1},10>=k&&(q={x:p.x,y:p.y},p={}),a.labelBySeries.attr(D(p,{anchorX:l.connectorPoint&&l.connectorPoint.plotX+
r,anchorY:l.connectorPoint&&l.connectorPoint.plotY+m})).animate(q),a.options.kdNow=!0,a.buildKDTree(),a=a.searchPoint({chartX:l.x,chartY:l.y},!0),u.closest=[a,l.x-a.plotX,l.y-a.plotY]}else u&&(a.labelBySeries=u.destroy())}else u&&(a.labelBySeries=u.destroy())}});g.fireEvent(d,"afterDrawSeriesLabels")};C(A,"load",B);C(A,"redraw",B)});p(g,"masters/modules/series-label.src.js",[],function(){})});
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