konva/dist/kinetic-Line-current.min.js

Kinetic.Line=function(a){this._initLine(a)},Kinetic.Line.prototype={_initLine:function(a){this.setDefaultAttrs({points:[],lineCap:"butt",dashArray:[],detectionType:"pixel"}),this.shapeType="Line",a.drawFunc=this.drawFunc,Kinetic.Shape.call(this,a)},drawFunc:function(a){var b={};a.beginPath(),a.moveTo(this.attrs.points[0].x,this.attrs.points[0].y);for(var c=1;c<this.attrs.points.length;c++){var d=this.attrs.points[c].x,e=this.attrs.points[c].y;if(this.attrs.dashArray.length>0){var f=this.attrs.points[c-1].x,g=this.attrs.points[c-1].y;this._dashedLine(a,f,g,d,e,this.attrs.dashArray)}else a.lineTo(d,e)}this.stroke(a)},setPoints:function(a){this.setAttr("points",Kinetic.Type._getPoints(a))},_dashedLine:function(a,b,c,d,e,f){var g=f.length,h=d-b,i=e-c,j=h>i,k=j?i/h:h/i;k>9999?k=9999:k<-9999&&(k=-9999);var l=Math.sqrt(h*h+i*i),m=0,n=!0;while(l>=.1&&m<1e4){var o=f[m++%g];o===0&&(o=.001),o>l&&(o=l);var p=Math.sqrt(o*o/(1+k*k));j?(b+=h<0&&i<0?p*-1:p,c+=h<0&&i<0?k*p*-1:k*p):(b+=h<0&&i<0?k*p*-1:k*p,c+=h<0&&i<0?p*-1:p),a[n?"lineTo":"moveTo"](b,c),l-=o,n=!n}a.moveTo(d,e)}},Kinetic.Global.extend(Kinetic.Line,Kinetic.Shape),Kinetic.Node.addGettersSetters(Kinetic.Line,["dashArray"]),Kinetic.Node.addGetters(Kinetic.Line,["points"]);