venn.js 8.99 KB
define("echarts/chart/venn",["require","./base","zrender/shape/Text","zrender/shape/Circle","zrender/shape/Path","../config","../util/ecData","zrender/tool/util","../chart"],function(e){function t(e,t,n,a,o){i.call(this,e,t,n,a,o),this.refresh(a)}var i=e("./base"),n=e("zrender/shape/Text"),a=e("zrender/shape/Circle"),o=e("zrender/shape/Path"),r=e("../config");r.venn={zlevel:0,z:1,calculable:!1};var s=e("../util/ecData"),l=e("zrender/tool/util");return t.prototype={type:r.CHART_TYPE_VENN,_buildShape:function(){this.selectedMap={},this._symbol=this.option.symbolList,this._queryTarget,this._dropBoxList=[],this._vennDataCounter=0;for(var e=this.series,t=this.component.legend,i=0;i<e.length;i++)if(e[i].type===r.CHART_TYPE_VENN){e[i]=this.reformOption(e[i]);var n=e[i].name||"";if(this.selectedMap[n]=t?t.isSelected(n):!0,!this.selectedMap[n])continue;this._buildVenn(i)}this.addShapeList()},_buildVenn:function(e){var t,i,n=this.series[e],a=n.data;a[0].value>a[1].value?(t=this.zr.getHeight()/3,i=t*Math.sqrt(a[1].value)/Math.sqrt(a[0].value)):(i=this.zr.getHeight()/3,t=i*Math.sqrt(a[0].value)/Math.sqrt(a[1].value));var o=this.zr.getWidth()/2-t,r=(t+i)/2*Math.sqrt(a[2].value)/Math.sqrt((a[0].value+a[1].value)/2),s=t+i;0!==a[2].value&&(s=this._getCoincideLength(a[0].value,a[1].value,a[2].value,t,i,r,Math.abs(t-i),t+i));var l=o+s,h=this.zr.getHeight()/2;if(this._buildItem(e,0,a[0],o,h,t),this._buildItem(e,1,a[1],l,h,i),0!==a[2].value&&a[2].value!==a[0].value&&a[2].value!==a[1].value){var m=(t*t-i*i)/(2*s)+s/2,V=s/2-(t*t-i*i)/(2*s),U=Math.sqrt(t*t-m*m),d=0,p=0;a[0].value>a[1].value&&o+m>l&&(p=1),a[0].value<a[1].value&&o+V>l&&(d=1),this._buildCoincideItem(e,2,a[2],o+m,h-U,h+U,t,i,d,p)}},_getCoincideLength:function(e,t,i,n,a,o,r,s){var l=(n*n-a*a)/(2*o)+o/2,h=o/2-(n*n-a*a)/(2*o),m=Math.acos(l/n),V=Math.acos(h/a),U=n*n*Math.PI,d=m*n*n-l*n*Math.sin(m)+V*a*a-h*a*Math.sin(V),p=d/U,c=i/e,u=Math.abs(p/c);return u>.999&&1.001>u?o:.999>=u?(s=o,o=(o+r)/2,this._getCoincideLength(e,t,i,n,a,o,r,s)):(r=o,o=(o+s)/2,this._getCoincideLength(e,t,i,n,a,o,r,s))},_buildItem:function(e,t,i,n,a,o){var r=this.series,l=r[e],h=this.getCircle(e,t,i,n,a,o);if(s.pack(h,l,e,i,t,i.name),this.shapeList.push(h),l.itemStyle.normal.label.show){var m=this.getLabel(e,t,i,n,a,o);s.pack(m,l,e,l.data[t],t,l.data[t].name),this.shapeList.push(m)}},_buildCoincideItem:function(e,t,i,n,a,r,l,h,m,V){var U=this.series,d=U[e],p=[i,d],c=this.deepMerge(p,"itemStyle.normal")||{},u=this.deepMerge(p,"itemStyle.emphasis")||{},y=c.color||this.zr.getColor(t),g=u.color||this.zr.getColor(t),b="M"+n+","+a+"A"+l+","+l+",0,"+m+",1,"+n+","+r+"A"+h+","+h+",0,"+V+",1,"+n+","+a,f={color:y,path:b},k={zlevel:d.zlevel,z:d.z,style:f,highlightStyle:{color:g,lineWidth:u.borderWidth,strokeColor:u.borderColor}};k=new o(k),k.buildPathArray&&(k.style.pathArray=k.buildPathArray(f.path)),s.pack(k,U[e],0,i,t,i.name),this.shapeList.push(k)},getCircle:function(e,t,i,n,o,r){var s=this.series[e],l=[i,s],h=this.deepMerge(l,"itemStyle.normal")||{},m=this.deepMerge(l,"itemStyle.emphasis")||{},V=h.color||this.zr.getColor(t),U=m.color||this.zr.getColor(t),d={zlevel:s.zlevel,z:s.z,clickable:!0,style:{x:n,y:o,r:r,brushType:"fill",opacity:1,color:V},highlightStyle:{color:U,lineWidth:m.borderWidth,strokeColor:m.borderColor}};return this.deepQuery([i,s,this.option],"calculable")&&(this.setCalculable(d),d.draggable=!0),new a(d)},getLabel:function(e,t,i,a,o,r){var s=this.series[e],l=s.itemStyle,h=[i,s],m=this.deepMerge(h,"itemStyle.normal")||{},V="normal",U=l[V].label,d=U.textStyle||{},p=this.getLabelText(t,i,V),c=this.getFont(d),u=m.color||this.zr.getColor(t),y=d.fontSize||12,g={zlevel:s.zlevel,z:s.z,style:{x:a,y:o-r-y,color:d.color||u,text:p,textFont:c,textAlign:"center"}};return new n(g)},getLabelText:function(e,t,i){var n=this.series,a=n[0],o=this.deepQuery([t,a],"itemStyle."+i+".label.formatter");return o?"function"==typeof o?o(a.name,t.name,t.value):"string"==typeof o?(o=o.replace("{a}","{a0}").replace("{b}","{b0}").replace("{c}","{c0}"),o=o.replace("{a0}",a.name).replace("{b0}",t.name).replace("{c0}",t.value)):void 0:t.name},refresh:function(e){e&&(this.option=e,this.series=e.series),this._buildShape()}},l.inherits(t,i),e("../chart").define("venn",t),t}),define("zrender/shape/Path",["require","./Base","./util/PathProxy","../tool/util"],function(e){var t=e("./Base"),i=e("./util/PathProxy"),n=i.PathSegment,a=function(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])},o=function(e,t){return(e[0]*t[0]+e[1]*t[1])/(a(e)*a(t))},r=function(e,t){return(e[0]*t[1]<e[1]*t[0]?-1:1)*Math.acos(o(e,t))},s=function(e){t.call(this,e)};return s.prototype={type:"path",buildPathArray:function(e,t,i){if(!e)return[];t=t||0,i=i||0;var a=e,o=["m","M","l","L","v","V","h","H","z","Z","c","C","q","Q","t","T","s","S","a","A"];a=a.replace(/-/g," -"),a=a.replace(/  /g," "),a=a.replace(/ /g,","),a=a.replace(/,,/g,",");var r;for(r=0;r<o.length;r++)a=a.replace(new RegExp(o[r],"g"),"|"+o[r]);var s=a.split("|"),l=[],h=0,m=0;for(r=1;r<s.length;r++){var V=s[r],U=V.charAt(0);V=V.slice(1),V=V.replace(new RegExp("e,-","g"),"e-");var d=V.split(",");d.length>0&&""===d[0]&&d.shift();for(var p=0;p<d.length;p++)d[p]=parseFloat(d[p]);for(;d.length>0&&!isNaN(d[0]);){var c,u,y,g,b,f,k,_,x=null,L=[],W=h,X=m;switch(U){case"l":h+=d.shift(),m+=d.shift(),x="L",L.push(h,m);break;case"L":h=d.shift(),m=d.shift(),L.push(h,m);break;case"m":h+=d.shift(),m+=d.shift(),x="M",L.push(h,m),U="l";break;case"M":h=d.shift(),m=d.shift(),x="M",L.push(h,m),U="L";break;case"h":h+=d.shift(),x="L",L.push(h,m);break;case"H":h=d.shift(),x="L",L.push(h,m);break;case"v":m+=d.shift(),x="L",L.push(h,m);break;case"V":m=d.shift(),x="L",L.push(h,m);break;case"C":L.push(d.shift(),d.shift(),d.shift(),d.shift()),h=d.shift(),m=d.shift(),L.push(h,m);break;case"c":L.push(h+d.shift(),m+d.shift(),h+d.shift(),m+d.shift()),h+=d.shift(),m+=d.shift(),x="C",L.push(h,m);break;case"S":c=h,u=m,y=l[l.length-1],"C"===y.command&&(c=h+(h-y.points[2]),u=m+(m-y.points[3])),L.push(c,u,d.shift(),d.shift()),h=d.shift(),m=d.shift(),x="C",L.push(h,m);break;case"s":c=h,u=m,y=l[l.length-1],"C"===y.command&&(c=h+(h-y.points[2]),u=m+(m-y.points[3])),L.push(c,u,h+d.shift(),m+d.shift()),h+=d.shift(),m+=d.shift(),x="C",L.push(h,m);break;case"Q":L.push(d.shift(),d.shift()),h=d.shift(),m=d.shift(),L.push(h,m);break;case"q":L.push(h+d.shift(),m+d.shift()),h+=d.shift(),m+=d.shift(),x="Q",L.push(h,m);break;case"T":c=h,u=m,y=l[l.length-1],"Q"===y.command&&(c=h+(h-y.points[0]),u=m+(m-y.points[1])),h=d.shift(),m=d.shift(),x="Q",L.push(c,u,h,m);break;case"t":c=h,u=m,y=l[l.length-1],"Q"===y.command&&(c=h+(h-y.points[0]),u=m+(m-y.points[1])),h+=d.shift(),m+=d.shift(),x="Q",L.push(c,u,h,m);break;case"A":g=d.shift(),b=d.shift(),f=d.shift(),k=d.shift(),_=d.shift(),W=h,X=m,h=d.shift(),m=d.shift(),x="A",L=this._convertPoint(W,X,h,m,k,_,g,b,f);break;case"a":g=d.shift(),b=d.shift(),f=d.shift(),k=d.shift(),_=d.shift(),W=h,X=m,h+=d.shift(),m+=d.shift(),x="A",L=this._convertPoint(W,X,h,m,k,_,g,b,f)}for(var v=0,K=L.length;K>v;v+=2)L[v]+=t,L[v+1]+=i;l.push(new n(x||U,L))}("z"===U||"Z"===U)&&l.push(new n("z",[]))}return l},_convertPoint:function(e,t,i,n,a,s,l,h,m){var V=m*(Math.PI/180),U=Math.cos(V)*(e-i)/2+Math.sin(V)*(t-n)/2,d=-1*Math.sin(V)*(e-i)/2+Math.cos(V)*(t-n)/2,p=U*U/(l*l)+d*d/(h*h);p>1&&(l*=Math.sqrt(p),h*=Math.sqrt(p));var c=Math.sqrt((l*l*h*h-l*l*d*d-h*h*U*U)/(l*l*d*d+h*h*U*U));a===s&&(c*=-1),isNaN(c)&&(c=0);var u=c*l*d/h,y=c*-h*U/l,g=(e+i)/2+Math.cos(V)*u-Math.sin(V)*y,b=(t+n)/2+Math.sin(V)*u+Math.cos(V)*y,f=r([1,0],[(U-u)/l,(d-y)/h]),k=[(U-u)/l,(d-y)/h],_=[(-1*U-u)/l,(-1*d-y)/h],x=r(k,_);return o(k,_)<=-1&&(x=Math.PI),o(k,_)>=1&&(x=0),0===s&&x>0&&(x-=2*Math.PI),1===s&&0>x&&(x+=2*Math.PI),[g,b,l,h,f,x,V,s]},buildPath:function(e,t){var i=t.path,n=t.x||0,a=t.y||0;t.pathArray=t.pathArray||this.buildPathArray(i,n,a);for(var o=t.pathArray,r=t.pointList=[],s=[],l=0,h=o.length;h>l;l++){"M"==o[l].command.toUpperCase()&&(s.length>0&&r.push(s),s=[]);for(var m=o[l].points,V=0,U=m.length;U>V;V+=2)s.push([m[V],m[V+1]])}s.length>0&&r.push(s);for(var l=0,h=o.length;h>l;l++){var d=o[l].command,m=o[l].points;switch(d){case"L":e.lineTo(m[0],m[1]);break;case"M":e.moveTo(m[0],m[1]);break;case"C":e.bezierCurveTo(m[0],m[1],m[2],m[3],m[4],m[5]);break;case"Q":e.quadraticCurveTo(m[0],m[1],m[2],m[3]);break;case"A":var p=m[0],c=m[1],u=m[2],y=m[3],g=m[4],b=m[5],f=m[6],k=m[7],_=u>y?u:y,x=u>y?1:u/y,L=u>y?y/u:1;e.translate(p,c),e.rotate(f),e.scale(x,L),e.arc(0,0,_,g,g+b,1-k),e.scale(1/x,1/L),e.rotate(-f),e.translate(-p,-c);break;case"z":e.closePath()}}},getRect:function(e){if(e.__rect)return e.__rect;var t;t="stroke"==e.brushType||"fill"==e.brushType?e.lineWidth||1:0;for(var i=Number.MAX_VALUE,n=Number.MIN_VALUE,a=Number.MAX_VALUE,o=Number.MIN_VALUE,r=e.x||0,s=e.y||0,l=e.pathArray||this.buildPathArray(e.path),h=0;h<l.length;h++)for(var m=l[h].points,V=0;V<m.length;V++)V%2===0?(m[V]+r<i&&(i=m[V]),m[V]+r>n&&(n=m[V])):(m[V]+s<a&&(a=m[V]),m[V]+s>o&&(o=m[V]));var U;return U=i===Number.MAX_VALUE||n===Number.MIN_VALUE||a===Number.MAX_VALUE||o===Number.MIN_VALUE?{x:0,y:0,width:0,height:0}:{x:Math.round(i-t/2),y:Math.round(a-t/2),width:n-i+t,height:o-a+t},e.__rect=U,U}},e("../tool/util").inherits(s,t),s});