/* COPYRIGHT Esri - https://js.arcgis.com/5.1.2/LICENSE.txt */
class e{static{this.instance=null}static local(){return null===e.instance&&(e.instance=new e),e.instance}execute(e,s,n){return new t(e,s)}}class t{constructor(e,t){this._inputGeometries=e,this._angleTolerance=void 0!==t.angleTolerance?t.angleTolerance:120,this._maxCosAngle=Math.cos((1-Math.abs(this._angleTolerance)/180)*Math.PI)}next(){let e=this._inputGeometries.next();if(!e)return null;for(;e;){if("esriGeometryPolygon"===e.geometryType)this._isClosed=!0;else if("esriGeometryPolyline"===e.geometryType)this._isClosed=!1;else{if("esriGeometryEnvelope"!==e.geometryType){e=this._inputGeometries.next();continue}if(this._maxCosAngle)return e;this._isClosed=!0}for(;e.nextPath();)this._processPath(e);return e.reset(),e}return null}_processPath(e){if(e.nextPoint()){const t=e.x,s=e.y;let n=t,i=s,o=e.pathSize,l=0,r=0,a=0,h=0,c=0,_=0;this._isClosed&&++o;for(let u=1;e.nextPoint()||u<o;++u){let x,m;this._isClosed&&u===o-1?(x=t,m=s):(x=e.x,m=e.y);const y=x-n,g=m-i,C=Math.sqrt(y*y+g*g);if(u>1&&C>0&&a>0){(l*y+r*g)/C/a<=this._maxCosAngle&&e.setControlPointAt(u-1)}1===u&&(h=y,c=g,_=C),C>0&&(n=x,i=m,l=y,r=g,a=C)}if(this._isClosed&&a>0&&_>0){(l*h+r*c)/_/a<=this._maxCosAngle&&e.setControlPointAt(0)}}}}export{e as EffectAddControlPoints};
