konva/konva.min.js

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/*
   * Konva JavaScript Framework v7.2.5
   * http://konvajs.org/
   * Licensed under the MIT
   * Date: Tue May 04 2021
   *
   * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
   * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
   *
   * @license
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Use ""'+i+'" instead.')}t.prototype[e]=s,t.prototype[a]=s,t.prototype[n]=s}))},afterSetFilter(){this._filterUpToDate=!1}};var S=["arc","arcTo","beginPath","bezierCurveTo","clearRect","clip","closePath","createLinearGradient","createPattern","createRadialGradient","drawImage","ellipse","fill","fillText","getImageData","createImageData","lineTo","moveTo","putImageData","quadraticCurveTo","rect","restore","rotate","save","scale","setLineDash","setTransform","stroke","strokeText","transform","translate"];class w{constructor(t){this.canvas=t,this._context=t._canvas.getContext("2d"),a.enableTrace&&(this.traceArr=[],this._enableTrace())}fillShape(t){t.fillEnabled()&&this._fill(t)}_fill(t){}strokeShape(t){t.hasStroke()&&this._stroke(t)}_stroke(t){}fillStrokeShape(t){t.attrs.fillAfterStrokeEnabled?(this.strokeShape(t),this.fillShape(t)):(this.fillShape(t),this.strokeShape(t))}getTrace(t,e){var i,r,a,n,s=this.traceArr,o=s.length,h="";for(i=0;i<o;i++)(a=(r=s[i]).method)?(n=r.args,h+=a,t?h+="()":g._isArray(n[0])?h+="(["+n.join(",")+"])":(e&&(n=n.map(t=>"number"==typeof t?Math.floor(t):t)),h+="("+n.join(",")+")")):(h+=r.property,t||(h+="="+r.val)),h+=";";return h}clearTrace(){this.traceArr=[]}_trace(t){var e=this.traceArr;e.push(t),e.length>=100&&e.shift()}reset(){var t=this.getCanvas().getPixelRatio();this.setTransform(1*t,0,0,1*t,0,0)}getCanvas(){return this.canvas}clear(t){var e=this.getCanvas();t?this.clearRect(t.x||0,t.y||0,t.width||0,t.height||0):this.clearRect(0,0,e.getWidth()/e.pixelRatio,e.getHeight()/e.pixelRatio)}_applyLineCap(t){var e=t.getLineCap();e&&this.setAttr("lineCap",e)}_applyOpacity(t){var e=t.getAbsoluteOpacity();1!==e&&this.setAttr("globalAlpha",e)}_applyLineJoin(t){var e=t.attrs.lineJoin;e&&this.setAttr("lineJoin",e)}setAttr(t,e){this._context[t]=e}arc(t,e,i,r,a,n){this._context.arc(t,e,i,r,a,n)}arcTo(t,e,i,r,a){this._context.arcTo(t,e,i,r,a)}beginPath(){this._context.beginPath()}bezierCurveTo(t,e,i,r,a,n){this._context.bezierCurveTo(t,e,i,r,a,n)}clearRect(t,e,i,r){this._context.clearRect(t,e,i,r)}clip(){this._context.clip()}closePath(){this._context.closePath()}createImageData(t,e){var i=arguments;return 2===i.length?this._context.createImageData(t,e):1===i.length?this._context.createImageData(t):void 0}createLinearGradient(t,e,i,r){return this._context.createLinearGradient(t,e,i,r)}createPattern(t,e){return this._context.createPattern(t,e)}createRadialGradient(t,e,i,r,a,n){return this._context.createRadialGradient(t,e,i,r,a,n)}drawImage(t,e,i,r,a,n,s,o,h){var l=arguments,d=this._context;3===l.length?d.drawImage(t,e,i):5===l.length?d.drawImage(t,e,i,r,a):9===l.length&&d.drawImage(t,e,i,r,a,n,s,o,h)}ellipse(t,e,i,r,a,n,s,o){this._context.ellipse(t,e,i,r,a,n,s,o)}isPointInPath(t,e){return this._context.isPointInPath(t,e)}fill(){this._context.fill()}fillRect(t,e,i,r){this._context.fillRect(t,e,i,r)}strokeRect(t,e,i,r){this._context.strokeRect(t,e,i,r)}fillText(t,e,i){this._context.fillText(t,e,i)}measureText(t){return this._context.measureText(t)}getImageData(t,e,i,r){return this._context.getImageData(t,e,i,r)}lineTo(t,e){this._context.lineTo(t,e)}moveTo(t,e){this._context.moveTo(t,e)}rect(t,e,i,r){this._context.rect(t,e,i,r)}putImageData(t,e,i){this._context.putImageData(t,e,i)}quadraticCurveTo(t,e,i,r){this._context.quadraticCurveTo(t,e,i,r)}restore(){this._context.restore()}rotate(t){this._context.rotate(t)}save(){this._context.save()}scale(t,e){this._context.scale(t,e)}setLineDash(t){this._context.setLineDash?this._context.setLineDash(t):"mozDash"in this._context?this._context.mozDash=t:"webkitLineDash"in this._context&&(this._context.webkitLineDash=t)}getLineDash(){return this._context.getLineDash()}setTransform(t,e,i,r,a,n){this._context.setTransform(t,e,i,r,a,n)}stroke(){this._context.stroke()}strokeText(t,e,i,r){this._context.strokeText(t,e,i,r)}transform(t,e,i,r,a,n){this._context.transform(t,e,i,r,a,n)}translate(t,e){this._context.translate(t,e)}_enableTrace(){var t,e,i=this,r=S.length,a=this.setAttr,n=function(t){var r,a=i[t];i[t]=function(){return e=g._simplifyArray(Array.prototype.slice.call(arguments,0)),r=a.apply(i,arguments),i._trace({method:t,args:e}),r}};for(t=0;t<r;t++)n(S[t]);i.setAttr=function(){a.apply(i,arguments);var t=arguments[0],e=arguments[1];"shadowOffsetX"!==t&&"shadowOffsetY"!==t&&"shadowBlur"!==t||(e/=this.canvas.getPixelRatio()),i._trace({property:t,val:e})}}_applyGlobalCompositeOperation(t){var e=t.getGlobalCompositeOperation();"source-over"!==e&&this.setAttr("globalCompositeOperation",e)}}["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation","imageSmoothingEnabled"].forEach((function(t){Object.defineProperty(w.prototype,t,{get(){return this._context[t]},set(e){this._context[t]=e}})}));class C extends w{_fillColor(t){var e=t.fill();this.setAttr("fillStyle",e),t._fillFunc(this)}_fillPattern(t){var e=t.getFillPatternX(),i=t.getFillPatternY(),r=a.getAngle(t.getFillPatternRotation()),n=t.getFillPatternOffsetX(),s=t.getFillPatternOffsetY();t.getFillPatternScaleX(),t.getFillPatternScaleY(),(e||i)&&this.translate(e||0,i||0),r&&this.rotate(r),(n||s)&&this.translate(-1*n,-1*s),this.setAttr("fillStyle",t._getFillPattern()),t._fillFunc(this)}_fillLinearGradient(t){var e=t._getLinearGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fillRadialGradient(t){var e=t._getRadialGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fill(t){var e=t.fill(),i=t.getFillPriority();if(e&&"color"===i)this._fillColor(t);else{var r=t.getFillPatternImage();if(r&&"pattern"===i)this._fillPattern(t);else{var a=t.getFillLinearGradientColorStops();if(a&&"linear-gradient"===i)this._fillLinearGradient(t);else{var n=t.getFillRadialGradientColorStops();n&&"radial-gradient"===i?this._fillRadialGradient(t):e?this._fillColor(t):r?this._fillPattern(t):a?this._fillLinearGradient(t):n&&this._fillRadialGradient(t)}}}}_strokeLinearGradient(t){var e=t.getStrokeLinearGradientStartPoint(),i=t.getStrokeLinearGradientEndPoint(),r=t.getStrokeLinearGradientColorStops(),a=this.createLinearGradient(e.x,e.y,i.x,i.y);if(r){for(var n=0;n<r.length;n+=2)a.addColorStop(r[n],r[n+1]);this.setAttr("strokeStyle",a)}}_stroke(t){var e=t.dash(),i=t.getStrokeScaleEnabled();if(t.hasStroke()){if(!i){this.save();var r=this.getCanvas().getPixelRatio();this.setTransform(r,0,0,r,0,0)}this._applyLineCap(t),e&&t.dashEnabled()&&(this.setLineDash(e),this.setAttr("lineDashOffset",t.dashOffset())),this.setAttr("lineWidth",t.strokeWidth()),t.getShadowForStrokeEnabled()||this.setAttr("shadowColor","rgba(0,0,0,0)"),t.getStrokeLinearGradientColorStops()?this._strokeLinearGradient(t):this.setAttr("strokeStyle",t.stroke()),t._strokeFunc(this),i||this.restore()}}_applyShadow(t){var e=g,i=e.get(t.getShadowRGBA(),"black"),r=e.get(t.getShadowBlur(),5),a=e.get(t.getShadowOffset(),{x:0,y:0}),n=t.getAbsoluteScale(),s=this.canvas.getPixelRatio(),o=n.x*s,h=n.y*s;this.setAttr("shadowColor",i),this.setAttr("shadowBlur",r*Math.min(Math.abs(o),Math.abs(h))),this.setAttr("shadowOffsetX",a.x*o),this.setAttr("shadowOffsetY",a.y*h)}}class P extends w{_fill(t){this.save(),this.setAttr("fillStyle",t.colorKey),t._fillFuncHit(this),this.restore()}strokeShape(t){t.hasHitStroke()&&this._stroke(t)}_stroke(t){if(t.hasHitStroke()){var e=t.getStrokeScaleEnabled();if(!e){this.save();var i=this.getCanvas().getPixelRatio();this.setTransform(i,0,0,i,0,0)}this._applyLineCap(t);var r=t.hitStrokeWidth(),a="auto"===r?t.strokeWidth():r;this.setAttr("lineWidth",a),this.setAttr("strokeStyle",t.colorKey),t._strokeFuncHit(this),e||this.restore()}}}var k;class T{constructor(t){this.pixelRatio=1,this.width=0,this.height=0,this.isCache=!1;var e=(t||{}).pixelRatio||a.pixelRatio||function(){if(k)return k;var t=g.createCanvasElement().getContext("2d");return k=(a._global.devicePixelRatio||1)/(t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1)}();this.pixelRatio=e,this._canvas=g.createCanvasElement(),this._canvas.style.padding="0",this._canvas.style.margin="0",this._canvas.style.border="0",this._canvas.style.background="transparent",this._canvas.style.position="absolute",this._canvas.style.top="0",this._canvas.style.left="0"}getContext(){return this.context}getPixelRatio(){return this.pixelRatio}setPixelRatio(t){var e=this.pixelRatio;this.pixelRatio=t,this.setSize(this.getWidth()/e,this.getHeight()/e)}setWidth(t){this.width=this._canvas.width=t*this.pixelRatio,this._canvas.style.width=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)}setHeight(t){this.height=this._canvas.height=t*this.pixelRatio,this._canvas.style.height=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)}getWidth(){return this.width}getHeight(){return this.height}setSize(t,e){this.setWidth(t||0),this.setHeight(e||0)}toDataURL(t,e){try{return this._canvas.toDataURL(t,e)}catch(t){try{return this._canvas.toDataURL()}catch(t){return g.error("Unable to get data URL. "+t.message+" For more info read https://konvajs.org/docs/posts/Tainted_Canvas.html."),""}}}}b.addGetterSetter(T,"pixelRatio",void 0,p());class A extends T{constructor(t={width:0,height:0}){super(t),this.context=new C(this),this.setSize(t.width,t.height)}}class M extends T{constructor(t={width:0,height:0}){super(t),this.hitCanvas=!0,this.context=new P(this),this.setSize(t.width,t.height)}}const G={get isDragging(){var t=!1;return G._dragElements.forEach(e=>{"dragging"===e.dragStatus&&(t=!0)}),t},justDragged:!1,get node(){var t;return G._dragElements.forEach(e=>{t=e.node}),t},_dragElements:new Map,_drag(t){const e=[];G._dragElements.forEach((i,r)=>{const{node:a}=i,n=a.getStage();n.setPointersPositions(t),void 0===i.pointerId&&(i.pointerId=g._getFirstPointerId(t));const s=n._changedPointerPositions.find(t=>t.id===i.pointerId);if(s){if("dragging"!==i.dragStatus){var o=a.dragDistance();if(Math.max(Math.abs(s.x-i.startPointerPos.x),Math.abs(s.y-i.startPointerPos.y))<o)return;if(a.startDrag({evt:t}),!a.isDragging())return}a._setDragPosition(t,i),e.push(a)}}),e.forEach(e=>{e.fire("dragmove",{type:"dragmove",target:e,evt:t},!0)})},_endDragBefore(t){G._dragElements.forEach((e,i)=>{const{node:r}=e,n=r.getStage();t&&n.setPointersPositions(t);if(!n._changedPointerPositions.find(t=>t.id===e.pointerId))return;"dragging"!==e.dragStatus&&"stopped"!==e.dragStatus||(G.justDragged=!0,a.listenClickTap=!1,e.dragStatus="stopped");const s=e.node.getLayer()||e.node instanceof a.Stage&&e.node;s&&s.batchDraw()})},_endDragAfter(t){G._dragElements.forEach((e,i)=>{"stopped"===e.dragStatus&&e.node.fire("dragend",{type:"dragend",target:e.node,evt:t},!0),"dragging"!==e.dragStatus&&G._dragElements.delete(i)})}};a.isBrowser&&(window.addEventListener("mouseup",G._endDragBefore,!0),window.addEventListener("touchend",G._endDragBefore,!0),window.addEventListener("mousemove",G._drag),window.addEventListener("touchmove",G._drag),window.addEventListener("mouseup",G._endDragAfter,!1),window.addEventListener("touchend",G._endDragAfter,!1));const E={},R={},L=function(t,e){t&&E[t]===e&&delete E[t]},D=function(t,e){e&&(R[e]||(R[e]=[]),R[e].push(t))},I=function(t,e){if(t){var i=R[t];if(i){for(var r=0;r<i.length;r++){i[r]._id===e&&i.splice(r,1)}0===i.length&&delete R[t]}}};var O=["xChange.konva","yChange.konva","scaleXChange.konva","scaleYChange.konva","skewXChange.konva","skewYChange.konva","rotationChange.konva","offsetXChange.konva","offsetYChange.konva","transformsEnabledChange.konva"].join(" ");const F=[];let B=1;class N{constructor(t){this._id=B++,this.eventListeners={},this.attrs={},this.index=0,this._allEventListeners=null,this.parent=null,this._cache=new Map,this._attachedDepsListeners=new Map,this._lastPos=null,this._batchingTransformChange=!1,this._needClearTransformCache=!1,this._filterUpToDate=!1,this._isUnderCache=!1,this._dragEventId=null,this._shouldFireChangeEvents=!1,this.setAttrs(t),this._shouldFireChangeEvents=!0}hasChildren(){return!1}getChildren(){return F}_clearCache(t){"transform"!==t&&"absoluteTransform"!==t||!this._cache.get(t)?t?this._cache.delete(t):this._cache.clear():this._cache.get(t).dirty=!0}_getCache(t,e){var i=this._cache.get(t);return(void 0===i||("transform"===t||"absoluteTransform"===t)&&!0===i.dirty)&&(i=e.call(this),this._cache.set(t,i)),i}_calculate(t,e,i){if(!this._attachedDepsListeners.get(t)){const i=e.map(t=>t+"Change.konva").join(" ");this.on(i,()=>{this._clearCache(t)}),this._attachedDepsListeners.set(t,!0)}return this._getCache(t,i)}_getCanvasCache(){return this._cache.get("canvas")}_clearSelfAndDescendantCache(t,e){this._clearCache(t),"absoluteTransform"===t&&this.fire("absoluteTransformChange")}clearCache(){return this._cache.delete("canvas"),this._clearSelfAndDescendantCache(),this._requestDraw(),this}cache(t){var e=t||{},i={};void 0!==e.x&&void 0!==e.y&&void 0!==e.width&&void 0!==e.height||(i=this.getClientRect({skipTransform:!0,relativeTo:this.getParent()}));var r=Math.ceil(e.width||i.width),a=Math.ceil(e.height||i.height),n=e.pixelRatio,s=void 0===e.x?i.x:e.x,o=void 0===e.y?i.y:e.y,h=e.offset||0,l=e.drawBorder||!1,d=e.hitCanvasPixelRatio||1;if(r&&a){s-=h,o-=h;var c=new A({pixelRatio:n,width:r+=2*h,height:a+=2*h}),u=new A({pixelRatio:n,width:0,height:0}),f=new M({pixelRatio:d,width:r,height:a}),p=c.getContext(),v=f.getContext();return f.isCache=!0,c.isCache=!0,this._cache.delete("canvas"),this._filterUpToDate=!1,!1===e.imageSmoothingEnabled&&(c.getContext()._context.imageSmoothingEnabled=!1,u.getContext()._context.imageSmoothingEnabled=!1),p.save(),v.save(),p.translate(-s,-o),v.translate(-s,-o),this._isUnderCache=!0,this._clearSelfAndDescendantCache("absoluteOpacity"),this._clearSelfAndDescendantCache("absoluteScale"),this.drawScene(c,this),this.drawHit(f,this),this._isUnderCache=!1,p.restore(),v.restore(),l&&(p.save(),p.beginPath(),p.rect(0,0,r,a),p.closePath(),p.setAttr("strokeStyle","red"),p.setAttr("lineWidth",5),p.stroke(),p.restore()),this._cache.set("canvas",{scene:c,filter:u,hit:f,x:s,y:o}),this._requestDraw(),this}g.error("Can not cache the node. Width or height of the node equals 0. Caching is skipped.")}isCached(){return this._cache.has("canvas")}getClientRect(t){throw new Error('abstract "getClientRect" method call')}_transformedRect(t,e){var i,r,a,n,s=[{x:t.x,y:t.y},{x:t.x+t.width,y:t.y},{x:t.x+t.width,y:t.y+t.height},{x:t.x,y:t.y+t.height}],o=this.getAbsoluteTransform(e);return s.forEach((function(t){var e=o.point(t);void 0===i&&(i=a=e.x,r=n=e.y),i=Math.min(i,e.x),r=Math.min(r,e.y),a=Math.max(a,e.x),n=Math.max(n,e.y)})),{x:i,y:r,width:a-i,height:n-r}}_drawCachedSceneCanvas(t){t.save(),t._applyOpacity(this),t._applyGlobalCompositeOperation(this);const e=this._getCanvasCache();t.translate(e.x,e.y);var i=this._getCachedSceneCanvas(),r=i.pixelRatio;t.drawImage(i._canvas,0,0,i.width/r,i.height/r),t.restore()}_drawCachedHitCanvas(t){var e=this._getCanvasCache(),i=e.hit;t.save(),t.translate(e.x,e.y),t.drawImage(i._canvas,0,0,i.width/i.pixelRatio,i.height/i.pixelRatio),t.restore()}_getCachedSceneCanvas(){var t,e,i,r,a=this.filters(),n=this._getCanvasCache(),s=n.scene,o=n.filter,h=o.getContext();if(a){if(!this._filterUpToDate){var l=s.pixelRatio;o.setSize(s.width/s.pixelRatio,s.height/s.pixelRatio);try{for(t=a.length,h.clear(),h.drawImage(s._canvas,0,0,s.getWidth()/l,s.getHeight()/l),e=h.getImageData(0,0,o.getWidth(),o.getHeight()),i=0;i<t;i++)"function"==typeof(r=a[i])?(r.call(this,e),h.putImageData(e,0,0)):g.error("Filter should be type of function, but got "+typeof r+" instead. Please check correct filters")}catch(t){g.error("Unable to apply filter. "+t.message+" This post my help you https://konvajs.org/docs/posts/Tainted_Canvas.html.")}this._filterUpToDate=!0}return o}return s}on(t,e){if(this._cache&&this._cache.delete("allEventListeners"),3===arguments.length)return this._delegate.apply(this,arguments);var i,r,a,n,s=t.split(" "),o=s.length;for(i=0;i<o;i++)a=(r=s[i].split("."))[0],n=r[1]||"",this.eventListeners[a]||(this.eventListeners[a]=[]),this.eventListeners[a].push({name:n,handler:e});return this}off(t,e){var i,r,a,n,s,o=(t||"").split(" "),h=o.length;if(this._cache&&this._cache.delete("allEventListeners"),!t)for(r in this.eventListeners)this._off(r);for(i=0;i<h;i++)if(n=(a=o[i].split("."))[0],s=a[1],n)this.eventListeners[n]&&this._off(n,s,e);else for(r in this.eventListeners)this._off(r,s,e);return this}dispatchEvent(t){var e={target:this,type:t.type,evt:t};return this.fire(t.type,e),this}addEventListener(t,e){return this.on(t,(function(t){e.call(this,t.evt)})),this}removeEventListener(t){return this.off(t),this}_delegate(t,e,i){var r=this;this.on(t,(function(t){for(var a=t.target.findAncestors(e,!0,r),n=0;n<a.length;n++)(t=g.cloneObject(t)).currentTarget=a[n],i.call(a[n],t)}))}remove(){return this.isDragging()&&this.stopDrag(),G._dragElements.delete(this._id),this._remove(),this}_clearCaches(){this._clearSelfAndDescendantCache("absoluteTransform"),this._clearSelfAndDescendantCache("absoluteOpacity"),this._clearSelfAndDescendantCache("absoluteScale"),this._clearSelfAndDescendantCache("stage"),this._clearSelfAndDescendantCache("visible"),this._clearSelfAndDescendantCache("listening")}_remove(){this._clearCaches();var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)}destroy(){L(this.id(),this);for(var t=(this.name()||"").split(/\s/g),e=0;e<t.length;e++){var i=t[e];I(i,this._id)}return this.remove(),this}getAttr(t){var e="get"+g._capitalize(t);return g._isFunction(this[e])?this[e]():this.attrs[t]}getAncestors(){for(var t=this.getParent(),e=[];t;)e.push(t),t=t.getParent();return e}getAttrs(){return this.attrs||{}}setAttrs(t){return this._batchTransformChanges(()=>{var e,i;if(!t)return this;for(e in t)"children"!==e&&(i="set"+g._capitalize(e),g._isFunction(this[i])?this[i](t[e]):this._setAttr(e,t[e]))}),this}isListening(){return this._getCache("listening",this._isListening)}_isListening(t){if(!this.listening())return!1;const e=this.getParent();return!e||e===t||this===t||e._isListening(t)}isVisible(){return this._getCache("visible",this._isVisible)}_isVisible(t){if(!this.visible())return!1;const e=this.getParent();return!e||e===t||this===t||e._isVisible(t)}shouldDrawHit(t,e=!1){if(t)return this._isVisible(t)&&this._isListening(t);var i=this.getLayer(),r=!1;G._dragElements.forEach(t=>{"dragging"===t.dragStatus&&("Stage"===t.node.nodeType||t.node.getLayer()===i)&&(r=!0)});var n=!e&&!a.hitOnDragEnabled&&r;return this.isListening()&&this.isVisible()&&!n}show(){return this.visible(!0),this}hide(){return this.visible(!1),this}getZIndex(){return this.index||0}getAbsoluteZIndex(){var t,e,i,r,a=this.getDepth(),n=this,s=0;return"Stage"!==n.nodeType&&function o(h){for(t=[],e=h.length,i=0;i<e;i++)r=h[i],s++,"Shape"!==r.nodeType&&(t=t.concat(r.getChildren().slice())),r._id===n._id&&(i=e);t.length>0&&t[0].getDepth()<=a&&o(t)}(n.getStage().getChildren()),s}getDepth(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t}_batchTransformChanges(t){this._batchingTransformChange=!0,t(),this._batchingTransformChange=!1,this._needClearTransformCache&&(this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform",!0)),this._needClearTransformCache=!1}setPosition(t){return this._batchTransformChanges(()=>{this.x(t.x),this.y(t.y)}),this}getPosition(){return{x:this.x(),y:this.y()}}getAbsolutePosition(t){let e=!1,i=this.parent;for(;i;){if(i.isCached()){e=!0;break}i=i.parent}e&&!t&&(t=!0);var r=this.getAbsoluteTransform(t).getMatrix(),a=new s,n=this.offset();return a.m=r.slice(),a.translate(n.x,n.y),a.getTranslation()}setAbsolutePosition(t){var e=this._clearTransform();this.attrs.x=e.x,this.attrs.y=e.y,delete e.x,delete e.y,this._clearCache("transform");var i=this._getAbsoluteTransform().copy();return i.invert(),i.translate(t.x,t.y),t={x:this.attrs.x+i.getTranslation().x,y:this.attrs.y+i.getTranslation().y},this._setTransform(e),this.setPosition({x:t.x,y:t.y}),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform"),this}_setTransform(t){var e;for(e in t)this.attrs[e]=t[e]}_clearTransform(){var t={x:this.x(),y:this.y(),rotation:this.rotation(),scaleX:this.scaleX(),scaleY:this.scaleY(),offsetX:this.offsetX(),offsetY:this.offsetY(),skewX:this.skewX(),skewY:this.skewY()};return this.attrs.x=0,this.attrs.y=0,this.attrs.rotation=0,this.attrs.scaleX=1,this.attrs.scaleY=1,this.attrs.offsetX=0,this.attrs.offsetY=0,this.attrs.skewX=0,this.attrs.skewY=0,t}move(t){var e=t.x,i=t.y,r=this.x(),a=this.y();return void 0!==e&&(r+=e),void 0!==i&&(a+=i),this.setPosition({x:r,y:a}),this}_eachAncestorReverse(t,e){var i,r,a=[],n=this.getParent();if(!e||e._id!==this._id){for(a.unshift(this);n&&(!e||n._id!==e._id);)a.unshift(n),n=n.parent;for(i=a.length,r=0;r<i;r++)t(a[r])}}rotate(t){return this.rotation(this.rotation()+t),this}moveToTop(){if(!this.parent)return g.warn("Node has no parent. moveToTop function is ignored."),!1;var t=this.index;return this.parent.children.splice(t,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0}moveUp(){if(!this.parent)return g.warn("Node has no parent. moveUp function is ignored."),!1;var t=this.index;return t<this.parent.getChildren().length-1&&(this.parent.children.splice(t,1),this.parent.children.splice(t+1,0,this),this.parent._setChildrenIndices(),!0)}moveDown(){if(!this.parent)return g.warn("Node has no parent. moveDown function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.splice(t-1,0,this),this.parent._setChildrenIndices(),!0)}moveToBottom(){if(!this.parent)return g.warn("Node has no parent. moveToBottom function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0)}setZIndex(t){if(!this.parent)return g.warn("Node has no parent. zIndex parameter is ignored."),this;(t<0||t>=this.parent.children.length)&&g.warn("Unexpected value "+t+" for zIndex property. zIndex is just index of a node in children of its parent. 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i=t.transformsEnabled();"all"===i?e.multiply(t.getTransform()):"position"===i&&e.translate(t.x()-t.offsetX(),t.y()-t.offsetY())}),t),e;e=this._cache.get("absoluteTransform")||new s,this.parent?this.parent.getAbsoluteTransform().copyInto(e):e.reset();var i=this.transformsEnabled();if("all"===i)e.multiply(this.getTransform());else if("position"===i){const t=this.attrs.x||0,i=this.attrs.y||0,r=this.attrs.offsetX||0,a=this.attrs.offsetY||0;e.translate(t-r,i-a)}return e.dirty=!1,e}getAbsoluteScale(t){for(var e=this;e;)e._isUnderCache&&(t=e),e=e.getParent();const i=this.getAbsoluteTransform(t).decompose();return{x:i.scaleX,y:i.scaleY}}getAbsoluteRotation(){return this.getAbsoluteTransform().decompose().rotation}getTransform(){return this._getCache("transform",this._getTransform)}_getTransform(){var t,e,i=this._cache.get("transform")||new s;i.reset();var r=this.x(),n=this.y(),o=a.getAngle(this.rotation()),h=null!==(t=this.attrs.scaleX)&&void 0!==t?t:1,l=null!==(e=this.attrs.scaleY)&&void 0!==e?e:1,d=this.attrs.skewX||0,c=this.attrs.skewY||0,g=this.attrs.offsetX||0,u=this.attrs.offsetY||0;return 0===r&&0===n||i.translate(r,n),0!==o&&i.rotate(o),0===d&&0===c||i.skew(d,c),1===h&&1===l||i.scale(h,l),0===g&&0===u||i.translate(-1*g,-1*u),i.dirty=!1,i}clone(t){var e,i,r,a,n,s=g.cloneObject(this.attrs);for(e in t)s[e]=t[e];var o=new this.constructor(s);for(e in this.eventListeners)for(r=(i=this.eventListeners[e]).length,a=0;a<r;a++)(n=i[a]).name.indexOf("konva")<0&&(o.eventListeners[e]||(o.eventListeners[e]=[]),o.eventListeners[e].push(n));return o}_toKonvaCanvas(t){t=t||{};var e=this.getClientRect(),i=this.getStage(),r=void 0!==t.x?t.x:e.x,a=void 0!==t.y?t.y:e.y,n=t.pixelRatio||1,s=new A({width:t.width||e.width||(i?i.width():0),height:t.height||e.height||(i?i.height():0),pixelRatio:n}),o=s.getContext();return o.save(),(r||a)&&o.translate(-1*r,-1*a),this.drawScene(s),o.restore(),s}toCanvas(t){return this._toKonvaCanvas(t)._canvas}toDataURL(t){var e=(t=t||{}).mimeType||null,i=t.quality||null,r=this._toKonvaCanvas(t).toDataURL(e,i);return t.callback&&t.callback(r),r}toImage(t){if(!t||!t.callback)throw"callback required for toImage method config argument";var e=t.callback;delete t.callback,g._urlToImage(this.toDataURL(t),(function(t){e(t)}))}setSize(t){return this.width(t.width),this.height(t.height),this}getSize(){return{width:this.width(),height:this.height()}}getClassName(){return this.className||this.nodeType}getType(){return this.nodeType}getDragDistance(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():a.dragDistance}_off(t,e,i){var r,a,n,s=this.eventListeners[t];for(r=0;r<s.length;r++)if(a=s[r].name,n=s[r].handler,!("konva"===a&&"konva"!==e||e&&a!==e||i&&i!==n)){if(s.splice(r,1),0===s.length){delete this.eventListeners[t];break}r--}}_fireChangeEvent(t,e,i){this._fire(t+"Change",{oldVal:e,newVal:i})}setId(t){var e=this.id();return L(e,this),function(t,e){e&&(E[e]=t)}(this,t),this._setAttr("id",t),this}setName(t){var e,i,r=(this.name()||"").split(/\s/g),a=(t||"").split(/\s/g);for(i=0;i<r.length;i++)e=r[i],-1===a.indexOf(e)&&e&&I(e,this._id);for(i=0;i<a.length;i++)e=a[i],-1===r.indexOf(e)&&e&&D(this,e);return this._setAttr("name",t),this}addName(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.setName(i)}return this}hasName(t){if(!t)return!1;const e=this.name();return!!e&&-1!==(e||"").split(/\s/g).indexOf(t)}removeName(t){var e=(this.name()||"").split(/\s/g),i=e.indexOf(t);return-1!==i&&(e.splice(i,1),this.setName(e.join(" "))),this}setAttr(t,e){var i=this["set"+g._capitalize(t)];return g._isFunction(i)?i.call(this,e):this._setAttr(t,e),this}_requestDraw(){if(a.autoDrawEnabled){const t=this.getLayer()||this.getStage();null==t||t.batchDraw()}}_setAttr(t,e,i=!1){var r=this.attrs[t];(r!==e||g.isObject(e))&&(null==e?delete this.attrs[t]:this.attrs[t]=e,this._shouldFireChangeEvents&&this._fireChangeEvent(t,r,e),this._requestDraw())}_setComponentAttr(t,e,i){var r;void 0!==i&&((r=this.attrs[t])||(this.attrs[t]=this.getAttr(t)),this.attrs[t][e]=i,this._fireChangeEvent(t,r,i))}_fireAndBubble(t,e,i){if(e&&"Shape"===this.nodeType&&(e.target=this),!(("mouseenter"===t||"mouseleave"===t)&&(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i))){this._fire(t,e);var r=("mouseenter"===t||"mouseleave"===t)&&i&&i.isAncestorOf&&i.isAncestorOf(this)&&!i.isAncestorOf(this.parent);(e&&!e.cancelBubble||!e)&&this.parent&&this.parent.isListening()&&!r&&(i&&i.parent?this._fireAndBubble.call(this.parent,t,e,i):this._fireAndBubble.call(this.parent,t,e))}}_getProtoListeners(t){let e=this._cache.get("allEventListeners");if(!e){e={};let t=Object.getPrototypeOf(this);for(;t;)if(t.eventListeners){for(var i in t.eventListeners){const r=t.eventListeners[i],a=e[i]||[];e[i]=r.concat(a)}t=Object.getPrototypeOf(t)}else t=Object.getPrototypeOf(t);this._cache.set("allEventListeners",e)}return e[t]}_fire(t,e){(e=e||{}).currentTarget=this,e.type=t;const i=this._getProtoListeners(t);if(i)for(var r=0;r<i.length;r++)i[r].handler.call(this,e);const a=this.eventListeners[t];if(a)for(r=0;r<a.length;r++)a[r].handler.call(this,e)}draw(){return this.drawScene(),this.drawHit(),this}_createDragElement(t){var e=t?t.pointerId:void 0,i=this.getStage(),r=this.getAbsolutePosition(),a=i._getPointerById(e)||i._changedPointerPositions[0]||r;G._dragElements.set(this._id,{node:this,startPointerPos:a,offset:{x:a.x-r.x,y:a.y-r.y},dragStatus:"ready",pointerId:e})}startDrag(t,e=!0){G._dragElements.has(this._id)||this._createDragElement(t);G._dragElements.get(this._id).dragStatus="dragging",this.fire("dragstart",{type:"dragstart",target:this,evt:t&&t.evt},e)}_setDragPosition(t,e){const i=this.getStage()._getPointerById(e.pointerId);if(i){var r={x:i.x-e.offset.x,y:i.y-e.offset.y},a=this.dragBoundFunc();if(void 0!==a){const e=a.call(this,r,t);e?r=e:g.warn("dragBoundFunc did not return any value. That is unexpected behavior. You must return new absolute position from dragBoundFunc.")}this._lastPos&&this._lastPos.x===r.x&&this._lastPos.y===r.y||(this.setAbsolutePosition(r),this._requestDraw()),this._lastPos=r}}stopDrag(t){const e=G._dragElements.get(this._id);e&&(e.dragStatus="stopped"),G._endDragBefore(t),G._endDragAfter(t)}setDraggable(t){this._setAttr("draggable",t),this._dragChange()}isDragging(){const t=G._dragElements.get(this._id);return!!t&&"dragging"===t.dragStatus}_listenDrag(){this._dragCleanup(),this.on("mousedown.konva touchstart.konva",(function(t){if((!(void 0!==t.evt.button)||a.dragButtons.indexOf(t.evt.button)>=0)&&!this.isDragging()){var e=!1;G._dragElements.forEach(t=>{this.isAncestorOf(t.node)&&(e=!0)}),e||this._createDragElement(t)}}))}_dragChange(){if(this.attrs.draggable)this._listenDrag();else{if(this._dragCleanup(),!this.getStage())return;const t=G._dragElements.get(this._id),e=t&&"dragging"===t.dragStatus,i=t&&"ready"===t.dragStatus;e?this.stopDrag():i&&G._dragElements.delete(this._id)}}_dragCleanup(){this.off("mousedown.konva"),this.off("touchstart.konva")}static create(t,e){return g._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)}static _createNode(t,e){var i,r,n,s=N.prototype.getClassName.call(t),o=t.children;e&&(t.attrs.container=e),a[s]||(g.warn('Can not find a node with class name "'+s+'". Fallback to "Shape".'),s="Shape");if(i=new(0,a[s])(t.attrs),o)for(r=o.length,n=0;n<r;n++)i.add(N._createNode(o[n]));return i}}N.prototype.nodeType="Node",N.prototype._attrsAffectingSize=[],N.prototype.eventListeners={},N.prototype.on.call(N.prototype,O,(function(){this._batchingTransformChange?this._needClearTransformCache=!0:(this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform"))})),N.prototype.on.call(N.prototype,"visibleChange.konva",(function(){this._clearSelfAndDescendantCache("visible")})),N.prototype.on.call(N.prototype,"listeningChange.konva",(function(){this._clearSelfAndDescendantCache("listening")})),N.prototype.on.call(N.prototype,"opacityChange.konva",(function(){this._clearSelfAndDescendantCache("absoluteOpacity")}));const z=b.addGetterSetter;z(N,"zIndex"),z(N,"absolutePosition"),z(N,"position"),z(N,"x",0,p()),z(N,"y",0,p()),z(N,"globalCompositeOperation","source-over",_()),z(N,"opacity",1,p()),z(N,"name","",_()),z(N,"id","",_()),z(N,"rotation",0,p()),b.addComponentsGetterSetter(N,"scale",["x","y"]),z(N,"scaleX",1,p()),z(N,"scaleY",1,p()),b.addComponentsGetterSetter(N,"skew",["x","y"]),z(N,"skewX",0,p()),z(N,"skewY",0,p()),b.addComponentsGetterSetter(N,"offset",["x","y"]),z(N,"offsetX",0,p()),z(N,"offsetY",0,p()),z(N,"dragDistance",null,p()),z(N,"width",0,p()),z(N,"height",0,p()),z(N,"listening",!0,x()),z(N,"preventDefault",!0,x()),z(N,"filters",null,(function(t){return this._filterUpToDate=!1,t})),z(N,"visible",!0,x()),z(N,"transformsEnabled","all",_()),z(N,"size"),z(N,"dragBoundFunc"),z(N,"draggable",!1,x()),b.backCompat(N,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"});class W extends N{constructor(){super(...arguments),this.children=[]}getChildren(t){if(!t)return this.children||[];const e=this.children||[];var i=[];return e.forEach((function(e){t(e)&&i.push(e)})),i}hasChildren(){return this.getChildren().length>0}removeChildren(){return this.getChildren().forEach(t=>{t.parent=null,t.index=0,t.remove()}),this.children=[],this}destroyChildren(){return this.getChildren().forEach(t=>{t.parent=null,t.index=0,t.destroy()}),this.children=[],this}add(...t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}var i=t[0];return i.getParent()?(i.moveTo(this),this):(this._validateAdd(i),i._clearCaches(),i.index=this.getChildren().length,i.parent=this,this.getChildren().push(i),this._fire("add",{child:i}),this._requestDraw(),this)}destroy(){return this.hasChildren()&&this.destroyChildren(),super.destroy(),this}find(t){return this._generalFind(t,!1)}findOne(t){var e=this._generalFind(t,!0);return e.length>0?e[0]:void 0}_generalFind(t,e){var i=[];return this._descendants(r=>{const a=r._isMatch(t);return a&&i.push(r),!(!a||!e)}),i}_descendants(t){let e=!1;const i=this.getChildren();for(const r of i){if(e=t(r),e)return!0;if(r.hasChildren()&&(e=r._descendants(t),e))return!0}return!1}toObject(){var t=N.prototype.toObject.call(this);return t.children=[],this.getChildren().forEach(e=>{t.children.push(e.toObject())}),t}isAncestorOf(t){for(var e=t.getParent();e;){if(e._id===this._id)return!0;e=e.getParent()}return!1}clone(t){var e=N.prototype.clone.call(this,t);return this.getChildren().forEach((function(t){e.add(t.clone())})),e}getAllIntersections(t){var e=[];return this.find("Shape").forEach((function(i){i.isVisible()&&i.intersects(t)&&e.push(i)})),e}_clearSelfAndDescendantCache(t,e){var i;super._clearSelfAndDescendantCache(t,e),this.isCached()||null===(i=this.children)||void 0===i||i.forEach((function(i){i._clearSelfAndDescendantCache(t,e)}))}_setChildrenIndices(){var t;null===(t=this.children)||void 0===t||t.forEach((function(t,e){t.index=e})),this._requestDraw()}drawScene(t,e){var i=this.getLayer(),r=t||i&&i.getCanvas(),a=r&&r.getContext(),n=this._getCanvasCache(),s=n&&n.scene,o=r&&r.isCache;if(!this.isVisible()&&!o)return this;if(s){a.save();var h=this.getAbsoluteTransform(e).getMatrix();a.transform(h[0],h[1],h[2],h[3],h[4],h[5]),this._drawCachedSceneCanvas(a),a.restore()}else this._drawChildren("drawScene",r,e);return this}drawHit(t,e){if(!this.shouldDrawHit(e))return this;var i=this.getLayer(),r=t||i&&i.hitCanvas,a=r&&r.getContext(),n=this._getCanvasCache();if(n&&n.hit){a.save();var s=this.getAbsoluteTransform(e).getMatrix();a.transform(s[0],s[1],s[2],s[3],s[4],s[5]),this._drawCachedHitCanvas(a),a.restore()}else this._drawChildren("drawHit",r,e);return this}_drawChildren(t,e,i){var r,a=e&&e.getContext(),n=this.clipWidth(),s=this.clipHeight(),o=this.clipFunc(),h=n&&s||o;const l=i===this;if(h){a.save();var d=this.getAbsoluteTransform(i),c=d.getMatrix();if(a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),a.beginPath(),o)o.call(this,a,this);else{var g=this.clipX(),u=this.clipY();a.rect(g,u,n,s)}a.clip(),c=d.copy().invert().getMatrix(),a.transform(c[0],c[1],c[2],c[3],c[4],c[5])}var f=!l&&"source-over"!==this.globalCompositeOperation()&&"drawScene"===t;f&&(a.save(),a._applyGlobalCompositeOperation(this)),null===(r=this.children)||void 0===r||r.forEach((function(r){r[t](e,i)})),f&&a.restore(),h&&a.restore()}getClientRect(t){var e,i,r,a,n,s=(t=t||{}).skipTransform,o=t.relativeTo,h={x:1/0,y:1/0,width:0,height:0},l=this;null===(e=this.children)||void 0===e||e.forEach((function(e){if(e.visible()){var s=e.getClientRect({relativeTo:l,skipShadow:t.skipShadow,skipStroke:t.skipStroke});0===s.width&&0===s.height||(void 0===i?(i=s.x,r=s.y,a=s.x+s.width,n=s.y+s.height):(i=Math.min(i,s.x),r=Math.min(r,s.y),a=Math.max(a,s.x+s.width),n=Math.max(n,s.y+s.height)))}}));for(var d=this.find("Shape"),c=!1,g=0;g<d.length;g++){if(d[g]._isVisible(this)){c=!0;break}}return h=c&&void 0!==i?{x:i,y:r,width:a-i,height:n-r}:{x:0,y:0,width:0,height:0},s?h:this._transformedRect(h,o)}}b.addComponentsGetterSetter(W,"clip",["x","y","width","height"]),b.addGetterSetter(W,"clipX",void 0,p()),b.addGetterSetter(W,"clipY",void 0,p()),b.addGetterSetter(W,"clipWidth",void 0,p()),b.addGetterSetter(W,"clipHeight",void 0,p()),b.addGetterSetter(W,"clipFunc");const H=new Map,Y=void 0!==a._global.PointerEvent;function X(t){return H.get(t)}function j(t){return{evt:t,pointerId:t.pointerId}}function U(t,e){return H.get(t)===e}function q(t,e){K(t);e.getStage()&&(H.set(t,e),Y&&e._fire("gotpointercapture",j(new PointerEvent("gotpointercapture"))))}function K(t,e){const i=H.get(t);if(!i)return;const r=i.getStage();r&&r.content,H.delete(t),Y&&i._fire("lostpointercapture",j(new PointerEvent("lostpointercapture")))}var V=["mouseenter","mousedown","mousemove","mouseup","mouseleave","touchstart","touchmove","touchend","mouseover","wheel","contextmenu","pointerdown","pointermove","pointerup","pointercancel","lostpointercapture"],Q=V.length;function J(t,e){t.content.addEventListener(e,(function(i){t["_"+e](i)}),!1)}const Z=[];function $(t={}){return(t.clipFunc||t.clipWidth||t.clipHeight)&&g.warn("Stage does not support clipping. Please use clip for Layers or Groups."),t}class tt extends W{constructor(t){super($(t)),this._pointerPositions=[],this._changedPointerPositions=[],this._buildDOM(),this._bindContentEvents(),Z.push(this),this.on("widthChange.konva heightChange.konva",this._resizeDOM),this.on("visibleChange.konva",this._checkVisibility),this.on("clipWidthChange.konva clipHeightChange.konva clipFuncChange.konva",()=>{$(this.attrs)}),this._checkVisibility()}_validateAdd(t){const e="Layer"===t.getType(),i="FastLayer"===t.getType();e||i||g.throw("You may only add layers to the stage.")}_checkVisibility(){if(!this.content)return;const t=this.visible()?"":"none";this.content.style.display=t}setContainer(t){if("string"==typeof t){if("."===t.charAt(0)){var e=t.slice(1);t=document.getElementsByClassName(e)[0]}else{var i;i="#"!==t.charAt(0)?t:t.slice(1),t=document.getElementById(i)}if(!t)throw"Can not find container in document with id "+i}return this._setAttr("container",t),this.content&&(this.content.parentElement&&this.content.parentElement.removeChild(this.content),t.appendChild(this.content)),this}shouldDrawHit(){return!0}clear(){var t,e=this.children,i=e.length;for(t=0;t<i;t++)e[t].clear();return this}clone(t){return t||(t={}),t.container="undefined"!=typeof document&&document.createElement("div"),W.prototype.clone.call(this,t)}destroy(){super.destroy();var t=this.content;t&&g._isInDocument(t)&&this.container().removeChild(t);var e=Z.indexOf(this);return e>-1&&Z.splice(e,1),this}getPointerPosition(){const t=this._pointerPositions[0]||this._changedPointerPositions[0];return t?{x:t.x,y:t.y}:(g.warn("Pointer position is missing and not registered by the stage. Looks like it is outside of the stage container. You can set it manually from event: stage.setPointersPositions(event);"),null)}_getPointerById(t){return this._pointerPositions.find(e=>e.id===t)}getPointersPositions(){return this._pointerPositions}getStage(){return this}getContent(){return this.content}_toKonvaCanvas(t){(t=t||{}).x=t.x||0,t.y=t.y||0,t.width=t.width||this.width(),t.height=t.height||this.height();var e=new A({width:t.width,height:t.height,pixelRatio:t.pixelRatio||1}),i=e.getContext()._context,r=this.children;return(t.x||t.y)&&i.translate(-1*t.x,-1*t.y),r.forEach((function(e){if(e.isVisible()){var r=e._toKonvaCanvas(t);i.drawImage(r._canvas,t.x,t.y,r.getWidth()/r.getPixelRatio(),r.getHeight()/r.getPixelRatio())}})),e}getIntersection(t,e){if(!t)return null;var i,r=this.children;for(i=r.length-1;i>=0;i--){const a=r[i].getIntersection(t,e);if(a)return a}return null}_resizeDOM(){var t=this.width(),e=this.height();this.content&&(this.content.style.width=t+"px",this.content.style.height=e+"px"),this.bufferCanvas.setSize(t,e),this.bufferHitCanvas.setSize(t,e),this.children.forEach(i=>{i.setSize({width:t,height:e}),i.draw()})}add(t,...e){if(arguments.length>1){for(var i=0;i<arguments.length;i++)this.add(arguments[i]);return this}super.add(t);var r=this.children.length;return r>5&&g.warn("The stage has "+r+" layers. Recommended maximum number of layers is 3-5. Adding more layers into the stage may drop the performance. Rethink your tree structure, you can use Konva.Group."),t.setSize({width:this.width(),height:this.height()}),t.draw(),a.isBrowser&&this.content.appendChild(t.canvas._canvas),this}getParent(){return null}getLayer(){return null}hasPointerCapture(t){return U(t,this)}setPointerCapture(t){q(t,this)}releaseCapture(t){K(t)}getLayers(){return this.children}_bindContentEvents(){if(a.isBrowser)for(var t=0;t<Q;t++)J(this,V[t])}_mouseenter(t){this.setPointersPositions(t),this._fire("mouseenter",{evt:t,target:this,currentTarget:this})}_mouseover(t){this.setPointersPositions(t),this._fire("contentMouseover",{evt:t}),this._fire("mouseover",{evt:t,target:this,currentTarget:this})}_mouseleave(t){var e;this.setPointersPositions(t);var i=(null===(e=this.targetShape)||void 0===e?void 0:e.getStage())?this.targetShape:null,r=!G.isDragging||a.hitOnDragEnabled;i&&r?(i._fireAndBubble("mouseout",{evt:t}),i._fireAndBubble("mouseleave",{evt:t}),this._fire("mouseleave",{evt:t,target:this,currentTarget:this}),this.targetShape=null):r&&(this._fire("mouseleave",{evt:t,target:this,currentTarget:this}),this._fire("mouseout",{evt:t,target:this,currentTarget:this})),this.pointerPos=void 0,this._pointerPositions=[],this._fire("contentMouseout",{evt:t})}_mousemove(t){var e;if(a.UA.ieMobile)return this._touchmove(t);this.setPointersPositions(t);var i=g._getFirstPointerId(t),r=(null===(e=this.targetShape)||void 0===e?void 0:e.getStage())?this.targetShape:null,n=!G.isDragging||a.hitOnDragEnabled;if(n){const e=this.getIntersection(this.getPointerPosition());if(e&&e.isListening())n&&r!==e?(r&&(r._fireAndBubble("mouseout",{evt:t,pointerId:i},e),r._fireAndBubble("mouseleave",{evt:t,pointerId:i},e)),e._fireAndBubble("mouseover",{evt:t,pointerId:i},r),e._fireAndBubble("mouseenter",{evt:t,pointerId:i},r),e._fireAndBubble("mousemove",{evt:t,pointerId:i}),this.targetShape=e):e._fireAndBubble("mousemove",{evt:t,pointerId:i});else r&&n&&(r._fireAndBubble("mouseout",{evt:t,pointerId:i}),r._fireAndBubble("mouseleave",{evt:t,pointerId:i}),this._fire("mouseover",{evt:t,target:this,currentTarget:this,pointerId:i}),this.targetShape=null),this._fire("mousemove",{evt:t,target:this,currentTarget:this,pointerId:i});this._fire("contentMousemove",{evt:t})}t.cancelable&&t.preventDefault()}_mousedown(t){if(a.UA.ieMobile)return this._touchstart(t);this.setPointersPositions(t);var e=g._getFirstPointerId(t),i=this.getIntersection(this.getPointerPosition());G.justDragged=!1,a.listenClickTap=!0,i&&i.isListening()?(this.clickStartShape=i,i._fireAndBubble("mousedown",{evt:t,pointerId:e})):this._fire("mousedown",{evt:t,target:this,currentTarget:this,pointerId:e}),this._fire("contentMousedown",{evt:t})}_mouseup(t){if(a.UA.ieMobile)return this._touchend(t);this.setPointersPositions(t);var e=g._getFirstPointerId(t),i=this.getIntersection(this.getPointerPosition()),r=this.clickStartShape,n=this.clickEndShape,s=!1;a.inDblClickWindow?(s=!0,clearTimeout(this.dblTimeout)):G.justDragged||(a.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout((function(){a.inDblClickWindow=!1}),a.dblClickWindow),i&&i.isListening()?(this.clickEndShape=i,i._fireAndBubble("mouseup",{evt:t,pointerId:e}),a.listenClickTap&&r&&r._id===i._id&&(i._fireAndBubble("click",{evt:t,pointerId:e}),s&&n&&n===i&&i._fireAndBubble("dblclick",{evt:t,pointerId:e}))):(this.clickEndShape=null,this._fire("mouseup",{evt:t,target:this,currentTarget:this,pointerId:e}),a.listenClickTap&&this._fire("click",{evt:t,target:this,currentTarget:this,pointerId:e}),s&&this._fire("dblclick",{evt:t,target:this,currentTarget:this,pointerId:e})),this._fire("contentMouseup",{evt:t}),a.listenClickTap&&(this._fire("contentClick",{evt:t}),s&&this._fire("contentDblclick",{evt:t})),a.listenClickTap=!1,t.cancelable&&t.preventDefault()}_contextmenu(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble("contextmenu",{evt:t}):this._fire("contextmenu",{evt:t,target:this,currentTarget:this}),this._fire("contentContextmenu",{evt:t})}_touchstart(t){this.setPointersPositions(t);var e=!1;this._changedPointerPositions.forEach(i=>{var r=this.getIntersection(i);a.listenClickTap=!0,G.justDragged=!1;r&&r.isListening()&&(a.captureTouchEventsEnabled&&r.setPointerCapture(i.id),this.tapStartShape=r,r._fireAndBubble("touchstart",{evt:t,pointerId:i.id},this),e=!0,r.isListening()&&r.preventDefault()&&t.cancelable&&t.preventDefault())}),e||this._fire("touchstart",{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchstart",{evt:t})}_touchmove(t){if(this.setPointersPositions(t),!G.isDragging||a.hitOnDragEnabled){var e=!1,i={};this._changedPointerPositions.forEach(r=>{const a=X(r.id)||this.getIntersection(r);a&&a.isListening()&&(i[a._id]||(i[a._id]=!0,a._fireAndBubble("touchmove",{evt:t,pointerId:r.id}),e=!0,a.isListening()&&a.preventDefault()&&t.cancelable&&t.preventDefault()))}),e||this._fire("touchmove",{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchmove",{evt:t})}G.isDragging&&G.node.preventDefault()&&t.cancelable&&t.preventDefault()}_touchend(t){this.setPointersPositions(t);var e=this.tapEndShape,i=!1;a.inDblClickWindow?(i=!0,clearTimeout(this.dblTimeout)):G.justDragged||(a.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout((function(){a.inDblClickWindow=!1}),a.dblClickWindow);var r=!1,n={},s=!1,o=!1;this._changedPointerPositions.forEach(h=>{var l=X(h.id)||this.getIntersection(h);l&&l.releaseCapture(h.id);l&&l.isListening()&&(n[l._id]||(n[l._id]=!0,this.tapEndShape=l,l._fireAndBubble("touchend",{evt:t,pointerId:h.id}),r=!0,a.listenClickTap&&l===this.tapStartShape&&(s=!0,l._fireAndBubble("tap",{evt:t,pointerId:h.id}),i&&e&&e===l&&(o=!0,l._fireAndBubble("dbltap",{evt:t,pointerId:h.id}))),l.isListening()&&l.preventDefault()&&t.cancelable&&t.preventDefault()))}),r||this._fire("touchend",{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),a.listenClickTap&&!s&&(this.tapEndShape=null,this._fire("tap",{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id})),i&&!o&&this._fire("dbltap",{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchend",{evt:t}),a.listenClickTap&&(this._fire("contentTap",{evt:t}),i&&this._fire("contentDbltap",{evt:t})),this.preventDefault()&&t.cancelable&&t.preventDefault(),a.listenClickTap=!1}_wheel(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble("wheel",{evt:t}):this._fire("wheel",{evt:t,target:this,currentTarget:this}),this._fire("contentWheel",{evt:t})}_pointerdown(t){if(!a._pointerEventsEnabled)return;this.setPointersPositions(t);const e=X(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble("pointerdown",j(t))}_pointermove(t){if(!a._pointerEventsEnabled)return;this.setPointersPositions(t);const e=X(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble("pointermove",j(t))}_pointerup(t){if(!a._pointerEventsEnabled)return;this.setPointersPositions(t);const e=X(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble("pointerup",j(t)),K(t.pointerId)}_pointercancel(t){if(!a._pointerEventsEnabled)return;this.setPointersPositions(t);const e=X(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble("pointerup",j(t)),K(t.pointerId)}_lostpointercapture(t){K(t.pointerId)}setPointersPositions(t){var e=this._getContentPosition(),i=null,r=null;void 0!==(t=t||window.event).touches?(this._pointerPositions=[],this._changedPointerPositions=[],Array.prototype.forEach.call(t.touches,t=>{this._pointerPositions.push({id:t.identifier,x:(t.clientX-e.left)/e.scaleX,y:(t.clientY-e.top)/e.scaleY})}),Array.prototype.forEach.call(t.changedTouches||t.touches,t=>{this._changedPointerPositions.push({id:t.identifier,x:(t.clientX-e.left)/e.scaleX,y:(t.clientY-e.top)/e.scaleY})})):(i=(t.clientX-e.left)/e.scaleX,r=(t.clientY-e.top)/e.scaleY,this.pointerPos={x:i,y:r},this._pointerPositions=[{x:i,y:r,id:g._getFirstPointerId(t)}],this._changedPointerPositions=[{x:i,y:r,id:g._getFirstPointerId(t)}])}_setPointerPosition(t){g.warn('Method _setPointerPosition is deprecated. Use "stage.setPointersPositions(event)" instead.'),this.setPointersPositions(t)}_getContentPosition(){if(!this.content||!this.content.getBoundingClientRect)return{top:0,left:0,scaleX:1,scaleY:1};var t=this.content.getBoundingClientRect();return{top:t.top,left:t.left,scaleX:t.width/this.content.clientWidth||1,scaleY:t.height/this.content.clientHeight||1}}_buildDOM(){if(this.bufferCanvas=new A({width:this.width(),height:this.height()}),this.bufferHitCanvas=new M({pixelRatio:1,width:this.width(),height:this.height()}),a.isBrowser){var t=this.container();if(!t)throw"Stage has no container. A container is required.";t.innerHTML="",this.content=document.createElement("div"),this.content.style.position="relative",this.content.style.userSelect="none",this.content.className="konvajs-content",this.content.setAttribute("role","presentation"),t.appendChild(this.content),this._resizeDOM()}}cache(){return g.warn("Cache function is not allowed for stage. You may use cache only for layers, groups and shapes."),this}clearCache(){return this}batchDraw(){return this.getChildren().forEach((function(t){t.batchDraw()})),this}}tt.prototype.nodeType="Stage",n(tt),b.addGetterSetter(tt,"container");let et;function it(){return et||(et=g.createCanvasElement().getContext("2d"),et)}const rt={};class at extends N{constructor(t){let e;for(super(t);e=g.getRandomColor(),!e||e in rt;);this.colorKey=e,rt[e]=this}getContext(){return this.getLayer().getContext()}getCanvas(){return this.getLayer().getCanvas()}getSceneFunc(){return this.attrs.sceneFunc||this._sceneFunc}getHitFunc(){return this.attrs.hitFunc||this._hitFunc}hasShadow(){return this._getCache("hasShadow",this._hasShadow)}_hasShadow(){return this.shadowEnabled()&&0!==this.shadowOpacity()&&!!(this.shadowColor()||this.shadowBlur()||this.shadowOffsetX()||this.shadowOffsetY())}_getFillPattern(){return this._getCache("patternImage",this.__getFillPattern)}__getFillPattern(){if(this.fillPatternImage()){const t=it().createPattern(this.fillPatternImage(),this.fillPatternRepeat()||"repeat");return t&&t.setTransform&&t.setTransform({a:this.fillPatternScaleX(),b:0,c:0,d:this.fillPatternScaleY(),e:0,f:0}),t}}_getLinearGradient(){return this._getCache("linearGradient",this.__getLinearGradient)}__getLinearGradient(){var t=this.fillLinearGradientColorStops();if(t){for(var e=it(),i=this.fillLinearGradientStartPoint(),r=this.fillLinearGradientEndPoint(),a=e.createLinearGradient(i.x,i.y,r.x,r.y),n=0;n<t.length;n+=2)a.addColorStop(t[n],t[n+1]);return a}}_getRadialGradient(){return this._getCache("radialGradient",this.__getRadialGradient)}__getRadialGradient(){var t=this.fillRadialGradientColorStops();if(t){for(var e=it(),i=this.fillRadialGradientStartPoint(),r=this.fillRadialGradientEndPoint(),a=e.createRadialGradient(i.x,i.y,this.fillRadialGradientStartRadius(),r.x,r.y,this.fillRadialGradientEndRadius()),n=0;n<t.length;n+=2)a.addColorStop(t[n],t[n+1]);return a}}getShadowRGBA(){return this._getCache("shadowRGBA",this._getShadowRGBA)}_getShadowRGBA(){if(this.hasShadow()){var t=g.colorToRGBA(this.shadowColor());return"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.shadowOpacity()||1)+")"}}hasFill(){return this._calculate("hasFill",["fillEnabled","fill","fillPatternImage","fillLinearGradientColorStops","fillRadialGradientColorStops"],()=>this.fillEnabled()&&!!(this.fill()||this.fillPatternImage()||this.fillLinearGradientColorStops()||this.fillRadialGradientColorStops()))}hasStroke(){return this._calculate("hasStroke",["strokeEnabled","strokeWidth","stroke","strokeLinearGradientColorStops"],()=>this.strokeEnabled()&&this.strokeWidth()&&!(!this.stroke()&&!this.strokeLinearGradientColorStops()))}hasHitStroke(){const t=this.hitStrokeWidth();return"auto"===t?this.hasStroke():this.strokeEnabled()&&!!t}intersects(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e,null,!0),e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]>0}destroy(){return N.prototype.destroy.call(this),delete rt[this.colorKey],delete this.colorKey,this}_useBufferCanvas(t){var e;if(!this.getStage())return!1;if(!(null===(e=this.attrs.perfectDrawEnabled)||void 0===e||e))return!1;const i=t||this.hasFill(),r=this.hasStroke(),a=1!==this.getAbsoluteOpacity();if(i&&r&&a)return!0;const n=this.hasShadow(),s=this.shadowForStrokeEnabled();return!!(i&&r&&n&&s)}setStrokeHitEnabled(t){g.warn("strokeHitEnabled property is deprecated. Please use hitStrokeWidth instead."),t?this.hitStrokeWidth("auto"):this.hitStrokeWidth(0)}getStrokeHitEnabled(){return 0!==this.hitStrokeWidth()}getSelfRect(){var t=this.size();return{x:this._centroid?-t.width/2:0,y:this._centroid?-t.height/2:0,width:t.width,height:t.height}}getClientRect(t={}){const e=t.skipTransform,i=t.relativeTo,r=this.getSelfRect(),a=!t.skipStroke&&this.hasStroke()&&this.strokeWidth()||0,n=r.width+a,s=r.height+a,o=!t.skipShadow&&this.hasShadow(),h=o?this.shadowOffsetX():0,l=o?this.shadowOffsetY():0,d=n+Math.abs(h),c=s+Math.abs(l),g=o&&this.shadowBlur()||0,u=d+2*g,f=c+2*g;let p=0;Math.round(a/2)!==a/2&&(p=1);const v={width:u+p,height:f+p,x:-Math.round(a/2+g)+Math.min(h,0)+r.x,y:-Math.round(a/2+g)+Math.min(l,0)+r.y};return e?v:this._transformedRect(v,i)}drawScene(t,e){var i,r,a=this.getLayer(),n=t||a.getCanvas(),s=n.getContext(),o=this._getCanvasCache(),h=this.getSceneFunc(),l=this.hasShadow(),d=n.isCache,c=n.isCache,g=e===this;if(!this.isVisible()&&!d)return this;if(o){s.save();var u=this.getAbsoluteTransform(e).getMatrix();return s.transform(u[0],u[1],u[2],u[3],u[4],u[5]),this._drawCachedSceneCanvas(s),s.restore(),this}if(!h)return this;if(s.save(),this._useBufferCanvas()&&!c){(r=(i=this.getStage().bufferCanvas).getContext()).clear(),r.save(),r._applyLineJoin(this);var f=this.getAbsoluteTransform(e).getMatrix();r.transform(f[0],f[1],f[2],f[3],f[4],f[5]),h.call(this,r,this),r.restore();var p=i.pixelRatio;l&&s._applyShadow(this),s._applyOpacity(this),s._applyGlobalCompositeOperation(this),s.drawImage(i._canvas,0,0,i.width/p,i.height/p)}else{if(s._applyLineJoin(this),!g){f=this.getAbsoluteTransform(e).getMatrix();s.transform(f[0],f[1],f[2],f[3],f[4],f[5]),s._applyOpacity(this),s._applyGlobalCompositeOperation(this)}l&&s._applyShadow(this),h.call(this,s,this)}return s.restore(),this}drawHit(t,e,i=!1){if(!this.shouldDrawHit(e,i))return this;var r=this.getLayer(),a=t||r.hitCanvas,n=a&&a.getContext(),s=this.hitFunc()||this.sceneFunc(),o=this._getCanvasCache(),h=o&&o.hit;if(this.colorKey||g.warn("Looks like your canvas has a destroyed shape in it. Do not reuse shape after you destroyed it. If you want to reuse shape you should call remove() instead of destroy()"),h){n.save();var l=this.getAbsoluteTransform(e).getMatrix();return n.transform(l[0],l[1],l[2],l[3],l[4],l[5]),this._drawCachedHitCanvas(n),n.restore(),this}if(!s)return this;n.save(),n._applyLineJoin(this);if(!(this===e)){var d=this.getAbsoluteTransform(e).getMatrix();n.transform(d[0],d[1],d[2],d[3],d[4],d[5])}return s.call(this,n,this),n.restore(),this}drawHitFromCache(t=0){var e,i,r,a,n,s=this._getCanvasCache(),o=this._getCachedSceneCanvas(),h=s.hit,l=h.getContext(),d=h.getWidth(),c=h.getHeight();l.clear(),l.drawImage(o._canvas,0,0,d,c);try{for(r=(i=(e=l.getImageData(0,0,d,c)).data).length,a=g._hexToRgb(this.colorKey),n=0;n<r;n+=4)i[n+3]>t?(i[n]=a.r,i[n+1]=a.g,i[n+2]=a.b,i[n+3]=255):i[n+3]=0;l.putImageData(e,0,0)}catch(t){g.error("Unable to draw hit graph from cached scene canvas. "+t.message)}return this}hasPointerCapture(t){return U(t,this)}setPointerCapture(t){q(t,this)}releaseCapture(t){K(t)}}at.prototype._fillFunc=function(t){t.fill()},at.prototype._strokeFunc=function(t){t.stroke()},at.prototype._fillFuncHit=function(t){t.fill()},at.prototype._strokeFuncHit=function(t){t.stroke()},at.prototype._centroid=!1,at.prototype.nodeType="Shape",n(at),at.prototype.eventListeners={},at.prototype.on.call(at.prototype,"shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache("hasShadow")})),at.prototype.on.call(at.prototype,"shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache("shadowRGBA")})),at.prototype.on.call(at.prototype,"fillPriorityChange.konva fillPatternImageChange.konva fillPatternRepeatChange.konva fillPatternScaleXChange.konva fillPatternScaleYChange.konva",(function(){this._clearCache("patternImage")})),at.prototype.on.call(at.prototype,"fillPriorityChange.konva fillLinearGradientColorStopsChange.konva fillLinearGradientStartPointXChange.konva fillLinearGradientStartPointYChange.konva fillLinearGradientEndPointXChange.konva fillLinearGradientEndPointYChange.konva",(function(){this._clearCache("linearGradient")})),at.prototype.on.call(at.prototype,"fillPriorityChange.konva fillRadialGradientColorStopsChange.konva fillRadialGradientStartPointXChange.konva fillRadialGradientStartPointYChange.konva fillRadialGradientEndPointXChange.konva fillRadialGradientEndPointYChange.konva fillRadialGradientStartRadiusChange.konva fillRadialGradientEndRadiusChange.konva",(function(){this._clearCache("radialGradient")})),b.addGetterSetter(at,"stroke",void 0,y()),b.addGetterSetter(at,"strokeWidth",2,p()),b.addGetterSetter(at,"fillAfterStrokeEnabled",!1),b.addGetterSetter(at,"hitStrokeWidth","auto",m()),b.addGetterSetter(at,"strokeHitEnabled",!0,x()),b.addGetterSetter(at,"perfectDrawEnabled",!0,x()),b.addGetterSetter(at,"shadowForStrokeEnabled",!0,x()),b.addGetterSetter(at,"lineJoin"),b.addGetterSetter(at,"lineCap"),b.addGetterSetter(at,"sceneFunc"),b.addGetterSetter(at,"hitFunc"),b.addGetterSetter(at,"dash"),b.addGetterSetter(at,"dashOffset",0,p()),b.addGetterSetter(at,"shadowColor",void 0,_()),b.addGetterSetter(at,"shadowBlur",0,p()),b.addGetterSetter(at,"shadowOpacity",1,p()),b.addComponentsGetterSetter(at,"shadowOffset",["x","y"]),b.addGetterSetter(at,"shadowOffsetX",0,p()),b.addGetterSetter(at,"shadowOffsetY",0,p()),b.addGetterSetter(at,"fillPatternImage"),b.addGetterSetter(at,"fill",void 0,y()),b.addGetterSetter(at,"fillPatternX",0,p()),b.addGetterSetter(at,"fillPatternY",0,p()),b.addGetterSetter(at,"fillLinearGradientColorStops"),b.addGetterSetter(at,"strokeLinearGradientColorStops"),b.addGetterSetter(at,"fillRadialGradientStartRadius",0),b.addGetterSetter(at,"fillRadialGradientEndRadius",0),b.addGetterSetter(at,"fillRadialGradientColorStops"),b.addGetterSetter(at,"fillPatternRepeat","repeat"),b.addGetterSetter(at,"fillEnabled",!0),b.addGetterSetter(at,"strokeEnabled",!0),b.addGetterSetter(at,"shadowEnabled",!0),b.addGetterSetter(at,"dashEnabled",!0),b.addGetterSetter(at,"strokeScaleEnabled",!0),b.addGetterSetter(at,"fillPriority","color"),b.addComponentsGetterSetter(at,"fillPatternOffset",["x","y"]),b.addGetterSetter(at,"fillPatternOffsetX",0,p()),b.addGetterSetter(at,"fillPatternOffsetY",0,p()),b.addComponentsGetterSetter(at,"fillPatternScale",["x","y"]),b.addGetterSetter(at,"fillPatternScaleX",1,p()),b.addGetterSetter(at,"fillPatternScaleY",1,p()),b.addComponentsGetterSetter(at,"fillLinearGradientStartPoint",["x","y"]),b.addComponentsGetterSetter(at,"strokeLinearGradientStartPoint",["x","y"]),b.addGetterSetter(at,"fillLinearGradientStartPointX",0),b.addGetterSetter(at,"strokeLinearGradientStartPointX",0),b.addGetterSetter(at,"fillLinearGradientStartPointY",0),b.addGetterSetter(at,"strokeLinearGradientStartPointY",0),b.addComponentsGetterSetter(at,"fillLinearGradientEndPoint",["x","y"]),b.addComponentsGetterSetter(at,"strokeLinearGradientEndPoint",["x","y"]),b.addGetterSetter(at,"fillLinearGradientEndPointX",0),b.addGetterSetter(at,"strokeLinearGradientEndPointX",0),b.addGetterSetter(at,"fillLinearGradientEndPointY",0),b.addGetterSetter(at,"strokeLinearGradientEndPointY",0),b.addComponentsGetterSetter(at,"fillRadialGradientStartPoint",["x","y"]),b.addGetterSetter(at,"fillRadialGradientStartPointX",0),b.addGetterSetter(at,"fillRadialGradientStartPointY",0),b.addComponentsGetterSetter(at,"fillRadialGradientEndPoint",["x","y"]),b.addGetterSetter(at,"fillRadialGradientEndPointX",0),b.addGetterSetter(at,"fillRadialGradientEndPointY",0),b.addGetterSetter(at,"fillPatternRotation",0),b.backCompat(at,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"});var nt=[{x:0,y:0},{x:-1,y:-1},{x:1,y:-1},{x:1,y:1},{x:-1,y:1}],st=nt.length;class ot extends W{constructor(t){super(t),this.canvas=new A,this.hitCanvas=new M({pixelRatio:1}),this._waitingForDraw=!1,this.on("visibleChange.konva",this._checkVisibility),this._checkVisibility(),this.on("imageSmoothingEnabledChange.konva",this._setSmoothEnabled),this._setSmoothEnabled()}createPNGStream(){return this.canvas._canvas.createPNGStream()}getCanvas(){return this.canvas}getNativeCanvasElement(){return this.canvas._canvas}getHitCanvas(){return this.hitCanvas}getContext(){return this.getCanvas().getContext()}clear(t){return this.getContext().clear(t),this.getHitCanvas().getContext().clear(t),this}setZIndex(t){super.setZIndex(t);var e=this.getStage();return e&&e.content&&(e.content.removeChild(this.getNativeCanvasElement()),t<e.children.length-1?e.content.insertBefore(this.getNativeCanvasElement(),e.children[t+1].getCanvas()._canvas):e.content.appendChild(this.getNativeCanvasElement())),this}moveToTop(){N.prototype.moveToTop.call(this);var t=this.getStage();return t&&t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.appendChild(this.getNativeCanvasElement())),!0}moveUp(){if(!N.prototype.moveUp.call(this))return!1;var t=this.getStage();return!(!t||!t.content)&&(t.content.removeChild(this.getNativeCanvasElement()),this.index<t.children.length-1?t.content.insertBefore(this.getNativeCanvasElement(),t.children[this.index+1].getCanvas()._canvas):t.content.appendChild(this.getNativeCanvasElement()),!0)}moveDown(){if(N.prototype.moveDown.call(this)){var t=this.getStage();if(t){var e=t.children;t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.insertBefore(this.getNativeCanvasElement(),e[this.index+1].getCanvas()._canvas))}return!0}return!1}moveToBottom(){if(N.prototype.moveToBottom.call(this)){var t=this.getStage();if(t){var e=t.children;t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.insertBefore(this.getNativeCanvasElement(),e[1].getCanvas()._canvas))}return!0}return!1}getLayer(){return this}remove(){var t=this.getNativeCanvasElement();return N.prototype.remove.call(this),t&&t.parentNode&&g._isInDocument(t)&&t.parentNode.removeChild(t),this}getStage(){return this.parent}setSize({width:t,height:e}){return this.canvas.setSize(t,e),this.hitCanvas.setSize(t,e),this._setSmoothEnabled(),this}_validateAdd(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&g.throw("You may only add groups and shapes to a layer.")}_toKonvaCanvas(t){return(t=t||{}).width=t.width||this.getWidth(),t.height=t.height||this.getHeight(),t.x=void 0!==t.x?t.x:this.x(),t.y=void 0!==t.y?t.y:this.y(),N.prototype._toKonvaCanvas.call(this,t)}_checkVisibility(){const t=this.visible();this.canvas._canvas.style.display=t?"block":"none"}_setSmoothEnabled(){this.getContext()._context.imageSmoothingEnabled=this.imageSmoothingEnabled()}getWidth(){if(this.parent)return this.parent.width()}setWidth(){g.warn('Can not change width of layer. Use "stage.width(value)" function instead.')}getHeight(){if(this.parent)return this.parent.height()}setHeight(){g.warn('Can not change height of layer. Use "stage.height(value)" function instead.')}batchDraw(){return this._waitingForDraw||(this._waitingForDraw=!0,g.requestAnimFrame(()=>{this.draw(),this._waitingForDraw=!1})),this}getIntersection(t,e){if(!this.isListening()||!this.isVisible())return null;for(var i=1,r=!1;;){for(let a=0;a<st;a++){const n=nt[a],s=this._getIntersection({x:t.x+n.x*i,y:t.y+n.y*i}),o=s.shape;if(o&&e)return o.findAncestor(e,!0);if(o)return o;if(r=!!s.antialiased,!s.antialiased)break}if(!r)return null;i+=1}}_getIntersection(t){const e=this.hitCanvas.pixelRatio,i=this.hitCanvas.context.getImageData(Math.round(t.x*e),Math.round(t.y*e),1,1).data,r=i[3];if(255===r){const t=g._rgbToHex(i[0],i[1],i[2]),e=rt["#"+t];return e?{shape:e}:{antialiased:!0}}return r>0?{antialiased:!0}:{}}drawScene(t,e){var i=this.getLayer(),r=t||i&&i.getCanvas();return this._fire("beforeDraw",{node:this}),this.clearBeforeDraw()&&r.getContext().clear(),W.prototype.drawScene.call(this,r,e),this._fire("draw",{node:this}),this}drawHit(t,e){var i=this.getLayer(),r=t||i&&i.hitCanvas;return i&&i.clearBeforeDraw()&&i.getHitCanvas().getContext().clear(),W.prototype.drawHit.call(this,r,e),this}enableHitGraph(){return this.hitGraphEnabled(!0),this}disableHitGraph(){return this.hitGraphEnabled(!1),this}setHitGraphEnabled(t){g.warn("hitGraphEnabled method is deprecated. Please use layer.listening() instead."),this.listening(t)}getHitGraphEnabled(t){return g.warn("hitGraphEnabled method is deprecated. Please use layer.listening() instead."),this.listening()}toggleHitCanvas(){if(this.parent&&this.parent.content){var t=this.parent;!!this.hitCanvas._canvas.parentNode?t.content.removeChild(this.hitCanvas._canvas):t.content.appendChild(this.hitCanvas._canvas)}}}ot.prototype.nodeType="Layer",n(ot),b.addGetterSetter(ot,"imageSmoothingEnabled",!0),b.addGetterSetter(ot,"clearBeforeDraw",!0),b.addGetterSetter(ot,"hitGraphEnabled",!0,x());class ht extends ot{constructor(t){super(t),this.listening(!1),g.warn('Konva.Fast layer is deprecated. Please use "new Konva.Layer({ listening: false })" instead.')}}ht.prototype.nodeType="FastLayer",n(ht);class lt extends W{_validateAdd(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&g.throw("You may only add groups and shapes to groups.")}}lt.prototype.nodeType="Group",n(lt);var dt=r.performance&&r.performance.now?function(){return r.performance.now()}:function(){return(new Date).getTime()};class ct{constructor(t,e){this.id=ct.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:dt(),frameRate:0},this.func=t,this.setLayers(e)}setLayers(t){var e=[];return e=t?t.length>0?t:[t]:[],this.layers=e,this}getLayers(){return this.layers}addLayer(t){var e,i=this.layers,r=i.length;for(e=0;e<r;e++)if(i[e]._id===t._id)return!1;return this.layers.push(t),!0}isRunning(){var t,e=ct.animations,i=e.length;for(t=0;t<i;t++)if(e[t].id===this.id)return!0;return!1}start(){return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=dt(),ct._addAnimation(this),this}stop(){return ct._removeAnimation(this),this}_updateFrameObject(t){this.frame.timeDiff=t-this.frame.lastTime,this.frame.lastTime=t,this.frame.time+=this.frame.timeDiff,this.frame.frameRate=1e3/this.frame.timeDiff}static _addAnimation(t){this.animations.push(t),this._handleAnimation()}static _removeAnimation(t){var e,i=t.id,r=this.animations,a=r.length;for(e=0;e<a;e++)if(r[e].id===i){this.animations.splice(e,1);break}}static _runFrames(){var t,e,i,r,a,n,s,o,h={},l=this.animations;for(r=0;r<l.length;r++)if(e=(t=l[r]).layers,i=t.func,t._updateFrameObject(dt()),n=e.length,!i||!1!==i.call(t,t.frame))for(a=0;a<n;a++)void 0!==(s=e[a])._id&&(h[s._id]=s);for(o in h)h.hasOwnProperty(o)&&h[o].batchDraw()}static _animationLoop(){var t=ct;t.animations.length?(t._runFrames(),g.requestAnimFrame(t._animationLoop)):t.animRunning=!1}static _handleAnimation(){this.animRunning||(this.animRunning=!0,g.requestAnimFrame(this._animationLoop))}}ct.animations=[],ct.animIdCounter=0,ct.animRunning=!1;var gt={node:1,duration:1,easing:1,onFinish:1,yoyo:1},ut=0,ft=["fill","stroke","shadowColor"];class pt{constructor(t,e,i,r,a,n,s){this.prop=t,this.propFunc=e,this.begin=r,this._pos=r,this.duration=n,this._change=0,this.prevPos=0,this.yoyo=s,this._time=0,this._position=0,this._startTime=0,this._finish=0,this.func=i,this._change=a-this.begin,this.pause()}fire(t){var e=this[t];e&&e()}setTime(t){t>this.duration?this.yoyo?(this._time=this.duration,this.reverse()):this.finish():t<0?this.yoyo?(this._time=0,this.play()):this.reset():(this._time=t,this.update())}getTime(){return this._time}setPosition(t){this.prevPos=this._pos,this.propFunc(t),this._pos=t}getPosition(t){return void 0===t&&(t=this._time),this.func(t,this.begin,this._change,this.duration)}play(){this.state=2,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onPlay")}reverse(){this.state=3,this._time=this.duration-this._time,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onReverse")}seek(t){this.pause(),this._time=t,this.update(),this.fire("onSeek")}reset(){this.pause(),this._time=0,this.update(),this.fire("onReset")}finish(){this.pause(),this._time=this.duration,this.update(),this.fire("onFinish")}update(){this.setPosition(this.getPosition(this._time)),this.fire("onUpdate")}onEnterFrame(){var t=this.getTimer()-this._startTime;2===this.state?this.setTime(t):3===this.state&&this.setTime(this.duration-t)}pause(){this.state=1,this.fire("onPause")}getTimer(){return(new Date).getTime()}}class vt{constructor(t){var e,i,r=this,n=t.node,s=n._id,o=t.easing||mt.Linear,h=!!t.yoyo;e=void 0===t.duration?.3:0===t.duration?.001:t.duration,this.node=n,this._id=ut++;var l=n.getLayer()||(n instanceof a.Stage?n.getLayers():null);for(i in l||g.error("Tween constructor have `node` that is not in a layer. Please add node into layer first."),this.anim=new ct((function(){r.tween.onEnterFrame()}),l),this.tween=new pt(i,(function(t){r._tweenFunc(t)}),o,0,1,1e3*e,h),this._addListeners(),vt.attrs[s]||(vt.attrs[s]={}),vt.attrs[s][this._id]||(vt.attrs[s][this._id]={}),vt.tweens[s]||(vt.tweens[s]={}),t)void 0===gt[i]&&this._addAttr(i,t[i]);this.reset(),this.onFinish=t.onFinish,this.onReset=t.onReset,this.onUpdate=t.onUpdate}_addAttr(t,e){var i,r,a,n,s,o,h,l,d=this.node,c=d._id;if((a=vt.tweens[c][t])&&delete vt.attrs[c][a][t],i=d.getAttr(t),g._isArray(e))if(r=[],s=Math.max(e.length,i.length),"points"===t&&e.length!==i.length&&(e.length>i.length?(h=i,i=g._prepareArrayForTween(i,e,d.closed())):(o=e,e=g._prepareArrayForTween(e,i,d.closed()))),0===t.indexOf("fill"))for(n=0;n<s;n++)if(n%2==0)r.push(e[n]-i[n]);else{var u=g.colorToRGBA(i[n]);l=g.colorToRGBA(e[n]),i[n]=u,r.push({r:l.r-u.r,g:l.g-u.g,b:l.b-u.b,a:l.a-u.a})}else for(n=0;n<s;n++)r.push(e[n]-i[n]);else-1!==ft.indexOf(t)?(i=g.colorToRGBA(i),r={r:(l=g.colorToRGBA(e)).r-i.r,g:l.g-i.g,b:l.b-i.b,a:l.a-i.a}):r=e-i;vt.attrs[c][this._id][t]={start:i,diff:r,end:e,trueEnd:o,trueStart:h},vt.tweens[c][t]=this._id}_tweenFunc(t){var e,i,r,a,n,s,o,h,l=this.node,d=vt.attrs[l._id][this._id];for(e in d){if(r=(i=d[e]).start,a=i.diff,h=i.end,g._isArray(r))if(n=[],o=Math.max(r.length,h.length),0===e.indexOf("fill"))for(s=0;s<o;s++)s%2==0?n.push((r[s]||0)+a[s]*t):n.push("rgba("+Math.round(r[s].r+a[s].r*t)+","+Math.round(r[s].g+a[s].g*t)+","+Math.round(r[s].b+a[s].b*t)+","+(r[s].a+a[s].a*t)+")");else for(s=0;s<o;s++)n.push((r[s]||0)+a[s]*t);else n=-1!==ft.indexOf(e)?"rgba("+Math.round(r.r+a.r*t)+","+Math.round(r.g+a.g*t)+","+Math.round(r.b+a.b*t)+","+(r.a+a.a*t)+")":r+a*t;l.setAttr(e,n)}}_addListeners(){this.tween.onPlay=()=>{this.anim.start()},this.tween.onReverse=()=>{this.anim.start()},this.tween.onPause=()=>{this.anim.stop()},this.tween.onFinish=()=>{var t=this.node,e=vt.attrs[t._id][this._id];e.points&&e.points.trueEnd&&t.setAttr("points",e.points.trueEnd),this.onFinish&&this.onFinish.call(this)},this.tween.onReset=()=>{var t=this.node,e=vt.attrs[t._id][this._id];e.points&&e.points.trueStart&&t.points(e.points.trueStart),this.onReset&&this.onReset()},this.tween.onUpdate=()=>{this.onUpdate&&this.onUpdate.call(this)}}play(){return this.tween.play(),this}reverse(){return this.tween.reverse(),this}reset(){return this.tween.reset(),this}seek(t){return this.tween.seek(1e3*t),this}pause(){return this.tween.pause(),this}finish(){return this.tween.finish(),this}destroy(){var t,e=this.node._id,i=this._id,r=vt.tweens[e];for(t in this.pause(),r)delete vt.tweens[e][t];delete vt.attrs[e][i]}}vt.attrs={},vt.tweens={},N.prototype.to=function(t){var e=t.onFinish;t.node=this,t.onFinish=function(){this.destroy(),e&&e()},new vt(t).play()};const mt={BackEaseIn(t,e,i,r){var a=1.70158;return i*(t/=r)*t*((a+1)*t-a)+e},BackEaseOut(t,e,i,r){var a=1.70158;return i*((t=t/r-1)*t*((a+1)*t+a)+1)+e},BackEaseInOut(t,e,i,r){var a=1.70158;return(t/=r/2)<1?i/2*(t*t*((1+(a*=1.525))*t-a))+e:i/2*((t-=2)*t*((1+(a*=1.525))*t+a)+2)+e},ElasticEaseIn(t,e,i,r,a,n){var s=0;return 0===t?e:1==(t/=r)?e+i:(n||(n=.3*r),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),-a*Math.pow(2,10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)+e)},ElasticEaseOut(t,e,i,r,a,n){var s=0;return 0===t?e:1==(t/=r)?e+i:(n||(n=.3*r),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),a*Math.pow(2,-10*t)*Math.sin((t*r-s)*(2*Math.PI)/n)+i+e)},ElasticEaseInOut(t,e,i,r,a,n){var s=0;return 0===t?e:2==(t/=r/2)?e+i:(n||(n=r*(.3*1.5)),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),t<1?a*Math.pow(2,10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)*-.5+e:a*Math.pow(2,-10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)*.5+i+e)},BounceEaseOut:(t,e,i,r)=>(t/=r)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e,BounceEaseIn:(t,e,i,r)=>i-mt.BounceEaseOut(r-t,0,i,r)+e,BounceEaseInOut:(t,e,i,r)=>t<r/2?.5*mt.BounceEaseIn(2*t,0,i,r)+e:.5*mt.BounceEaseOut(2*t-r,0,i,r)+.5*i+e,EaseIn:(t,e,i,r)=>i*(t/=r)*t+e,EaseOut:(t,e,i,r)=>-i*(t/=r)*(t-2)+e,EaseInOut:(t,e,i,r)=>(t/=r/2)<1?i/2*t*t+e:-i/2*(--t*(t-2)-1)+e,StrongEaseIn:(t,e,i,r)=>i*(t/=r)*t*t*t*t+e,StrongEaseOut:(t,e,i,r)=>i*((t=t/r-1)*t*t*t*t+1)+e,StrongEaseInOut:(t,e,i,r)=>(t/=r/2)<1?i/2*t*t*t*t*t+e:i/2*((t-=2)*t*t*t*t+2)+e,Linear:(t,e,i,r)=>i*t/r+e},_t=g._assign(a,{Util:g,Transform:s,Node:N,ids:E,names:R,Container:W,Stage:tt,stages:Z,Layer:ot,FastLayer:ht,Group:lt,DD:G,Shape:at,shapes:rt,Animation:ct,Tween:vt,Easings:mt,Context:w,Canvas:T});class yt extends at{_sceneFunc(t){var e=a.getAngle(this.angle()),i=this.clockwise();t.beginPath(),t.arc(0,0,this.outerRadius(),0,e,i),t.arc(0,0,this.innerRadius(),e,0,!i),t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.outerRadius()}getHeight(){return 2*this.outerRadius()}setWidth(t){this.outerRadius(t/2)}setHeight(t){this.outerRadius(t/2)}}yt.prototype._centroid=!0,yt.prototype.className="Arc",yt.prototype._attrsAffectingSize=["innerRadius","outerRadius"],n(yt),b.addGetterSetter(yt,"innerRadius",0,p()),b.addGetterSetter(yt,"outerRadius",0,p()),b.addGetterSetter(yt,"angle",0,p()),b.addGetterSetter(yt,"clockwise",!1,x());class xt extends at{constructor(t){super(t),this.on("pointsChange.konva tensionChange.konva closedChange.konva bezierChange.konva",(function(){this._clearCache("tensionPoints")}))}_sceneFunc(t){var e,i,r,a=this.points(),n=a.length,s=this.tension(),o=this.closed(),h=this.bezier();if(n){if(t.beginPath(),t.moveTo(a[0],a[1]),0!==s&&n>4){for(i=(e=this.getTensionPoints()).length,r=o?0:4,o||t.quadraticCurveTo(e[0],e[1],e[2],e[3]);r<i-2;)t.bezierCurveTo(e[r++],e[r++],e[r++],e[r++],e[r++],e[r++]);o||t.quadraticCurveTo(e[i-2],e[i-1],a[n-2],a[n-1])}else if(h)for(r=2;r<n;)t.bezierCurveTo(a[r++],a[r++],a[r++],a[r++],a[r++],a[r++]);else for(r=2;r<n;r+=2)t.lineTo(a[r],a[r+1]);o?(t.closePath(),t.fillStrokeShape(this)):t.strokeShape(this)}}getTensionPoints(){return this._getCache("tensionPoints",this._getTensionPoints)}_getTensionPoints(){return this.closed()?this._getTensionPointsClosed():g._expandPoints(this.points(),this.tension())}_getTensionPointsClosed(){var t=this.points(),e=t.length,i=this.tension(),r=g._getControlPoints(t[e-2],t[e-1],t[0],t[1],t[2],t[3],i),a=g._getControlPoints(t[e-4],t[e-3],t[e-2],t[e-1],t[0],t[1],i),n=g._expandPoints(t,i);return[r[2],r[3]].concat(n).concat([a[0],a[1],t[e-2],t[e-1],a[2],a[3],r[0],r[1],t[0],t[1]])}getWidth(){return this.getSelfRect().width}getHeight(){return this.getSelfRect().height}getSelfRect(){var t=this.points();if(t.length<4)return{x:t[0]||0,y:t[1]||0,width:0,height:0};for(var e,i,r=(t=0!==this.tension()?[t[0],t[1],...this._getTensionPoints(),t[t.length-2],t[t.length-1]]:this.points())[0],a=t[0],n=t[1],s=t[1],o=0;o<t.length/2;o++)e=t[2*o],i=t[2*o+1],r=Math.min(r,e),a=Math.max(a,e),n=Math.min(n,i),s=Math.max(s,i);return{x:r,y:n,width:a-r,height:s-n}}}xt.prototype.className="Line",xt.prototype._attrsAffectingSize=["points","bezier","tension"],n(xt),b.addGetterSetter(xt,"closed",!1),b.addGetterSetter(xt,"bezier",!1),b.addGetterSetter(xt,"tension",0,p()),b.addGetterSetter(xt,"points",[],function(){if(a.isUnminified)return function(t,e){return g._isArray(t)?t.forEach((function(t){g._isNumber(t)||g.warn('"'+e+'" attribute has non numeric element '+t+". Make sure that all elements are numbers.")})):g.warn(u(t)+' is a not valid value for "'+e+'" attribute. The value should be a array of numbers.'),t}}());class bt extends xt{_sceneFunc(t){super._sceneFunc(t);var e=2*Math.PI,i=this.points(),r=i,a=0!==this.tension()&&i.length>4;a&&(r=this.getTensionPoints());var n,s,o=i.length;a?(n=i[o-2]-(r[r.length-2]+r[r.length-4])/2,s=i[o-1]-(r[r.length-1]+r[r.length-3])/2):(n=i[o-2]-i[o-4],s=i[o-1]-i[o-3]);var h=(Math.atan2(s,n)+e)%e,l=this.pointerLength(),d=this.pointerWidth();this.pointerAtEnding()&&(t.save(),t.beginPath(),t.translate(i[o-2],i[o-1]),t.rotate(h),t.moveTo(0,0),t.lineTo(-l,d/2),t.lineTo(-l,-d/2),t.closePath(),t.restore()),this.pointerAtBeginning()&&(t.save(),t.translate(i[0],i[1]),a?(n=(r[0]+r[2])/2-i[0],s=(r[1]+r[3])/2-i[1]):(n=i[2]-i[0],s=i[3]-i[1]),t.rotate((Math.atan2(-s,-n)+e)%e),t.moveTo(0,0),t.lineTo(-l,d/2),t.lineTo(-l,-d/2),t.closePath(),t.restore());var c=this.dashEnabled();c&&(this.attrs.dashEnabled=!1,t.setLineDash([])),t.fillStrokeShape(this),c&&(this.attrs.dashEnabled=!0)}getSelfRect(){const t=super.getSelfRect(),e=this.pointerWidth()/2;return{x:t.x-e,y:t.y-e,width:t.width+2*e,height:t.height+2*e}}}bt.prototype.className="Arrow",n(bt),b.addGetterSetter(bt,"pointerLength",10,p()),b.addGetterSetter(bt,"pointerWidth",10,p()),b.addGetterSetter(bt,"pointerAtBeginning",!1),b.addGetterSetter(bt,"pointerAtEnding",!0);class St extends at{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.attrs.radius||0,0,2*Math.PI,!1),t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.radius()}getHeight(){return 2*this.radius()}setWidth(t){this.radius()!==t/2&&this.radius(t/2)}setHeight(t){this.radius()!==t/2&&this.radius(t/2)}}St.prototype._centroid=!0,St.prototype.className="Circle",St.prototype._attrsAffectingSize=["radius"],n(St),b.addGetterSetter(St,"radius",0,p());class wt extends at{_sceneFunc(t){var e=this.radiusX(),i=this.radiusY();t.beginPath(),t.save(),e!==i&&t.scale(1,i/e),t.arc(0,0,e,0,2*Math.PI,!1),t.restore(),t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.radiusX()}getHeight(){return 2*this.radiusY()}setWidth(t){this.radiusX(t/2)}setHeight(t){this.radiusY(t/2)}}wt.prototype.className="Ellipse",wt.prototype._centroid=!0,wt.prototype._attrsAffectingSize=["radiusX","radiusY"],n(wt),b.addComponentsGetterSetter(wt,"radius",["x","y"]),b.addGetterSetter(wt,"radiusX",0,p()),b.addGetterSetter(wt,"radiusY",0,p());class Ct extends at{constructor(t){super(t),this.on("imageChange.konva",()=>{this._setImageLoad()}),this._setImageLoad()}_setImageLoad(){const t=this.image();t&&t.addEventListener&&t.addEventListener("load",()=>{this._requestDraw()})}_useBufferCanvas(){return super._useBufferCanvas(!0)}_sceneFunc(t){const e=this.getWidth(),i=this.getHeight(),r=this.attrs.image;let a;if(r){const t=this.attrs.cropWidth,n=this.attrs.cropHeight;a=t&&n?[r,this.cropX(),this.cropY(),t,n,0,0,e,i]:[r,0,0,e,i]}(this.hasFill()||this.hasStroke())&&(t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)),r&&t.drawImage.apply(t,a)}_hitFunc(t){var e=this.width(),i=this.height();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)}getWidth(){var t,e;return null!==(t=this.attrs.width)&&void 0!==t?t:null===(e=this.image())||void 0===e?void 0:e.width}getHeight(){var t,e;return null!==(t=this.attrs.height)&&void 0!==t?t:null===(e=this.image())||void 0===e?void 0:e.height}static fromURL(t,e){var i=g.createImageElement();i.onload=function(){var t=new Ct({image:i});e(t)},i.crossOrigin="Anonymous",i.src=t}}Ct.prototype.className="Image",n(Ct),b.addGetterSetter(Ct,"image"),b.addComponentsGetterSetter(Ct,"crop",["x","y","width","height"]),b.addGetterSetter(Ct,"cropX",0,p()),b.addGetterSetter(Ct,"cropY",0,p()),b.addGetterSetter(Ct,"cropWidth",0,p()),b.addGetterSetter(Ct,"cropHeight",0,p());var Pt=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width","height"],kt=Pt.length;class Tt extends lt{constructor(t){super(t),this.on("add.konva",(function(t){this._addListeners(t.child),this._sync()}))}getText(){return this.find("Text")[0]}getTag(){return this.find("Tag")[0]}_addListeners(t){var e,i=this,r=function(){i._sync()};for(e=0;e<kt;e++)t.on(Pt[e]+"Change.konva",r)}getWidth(){return this.getText().width()}getHeight(){return this.getText().height()}_sync(){var t,e,i,r,a,n,s,o=this.getText(),h=this.getTag();if(o&&h){switch(t=o.width(),e=o.height(),i=h.pointerDirection(),r=h.pointerWidth(),s=h.pointerHeight(),a=0,n=0,i){case"up":a=t/2,n=-1*s;break;case"right":a=t+r,n=e/2;break;case"down":a=t/2,n=e+s;break;case"left":a=-1*r,n=e/2}h.setAttrs({x:-1*a,y:-1*n,width:t,height:e}),o.setAttrs({x:-1*a,y:-1*n})}}}Tt.prototype.className="Label",n(Tt);class At extends at{_sceneFunc(t){var e=this.width(),i=this.height(),r=this.pointerDirection(),a=this.pointerWidth(),n=this.pointerHeight(),s=this.cornerRadius();let o=0,h=0,l=0,d=0;"number"==typeof s?o=h=l=d=Math.min(s,e/2,i/2):(o=Math.min(s[0]||0,e/2,i/2),h=Math.min(s[1]||0,e/2,i/2),d=Math.min(s[2]||0,e/2,i/2),l=Math.min(s[3]||0,e/2,i/2)),t.beginPath(),t.moveTo(o,0),"up"===r&&(t.lineTo((e-a)/2,0),t.lineTo(e/2,-1*n),t.lineTo((e+a)/2,0)),t.lineTo(e-h,0),t.arc(e-h,h,h,3*Math.PI/2,0,!1),"right"===r&&(t.lineTo(e,(i-n)/2),t.lineTo(e+a,i/2),t.lineTo(e,(i+n)/2)),t.lineTo(e,i-d),t.arc(e-d,i-d,d,0,Math.PI/2,!1),"down"===r&&(t.lineTo((e+a)/2,i),t.lineTo(e/2,i+n),t.lineTo((e-a)/2,i)),t.lineTo(l,i),t.arc(l,i-l,l,Math.PI/2,Math.PI,!1),"left"===r&&(t.lineTo(0,(i+n)/2),t.lineTo(-1*a,i/2),t.lineTo(0,(i-n)/2)),t.lineTo(0,o),t.arc(o,o,o,Math.PI,3*Math.PI/2,!1),t.closePath(),t.fillStrokeShape(this)}getSelfRect(){var t=0,e=0,i=this.pointerWidth(),r=this.pointerHeight(),a=this.pointerDirection(),n=this.width(),s=this.height();return"up"===a?(e-=r,s+=r):"down"===a?s+=r:"left"===a?(t-=1.5*i,n+=i):"right"===a&&(n+=1.5*i),{x:t,y:e,width:n,height:s}}}At.prototype.className="Tag",n(At),b.addGetterSetter(At,"pointerDirection","none"),b.addGetterSetter(At,"pointerWidth",0,p()),b.addGetterSetter(At,"pointerHeight",0,p()),b.addGetterSetter(At,"cornerRadius",0,v(4));class Mt extends at{constructor(t){super(t),this.dataArray=[],this.pathLength=0,this.dataArray=Mt.parsePathData(this.data()),this.pathLength=0;for(var e=0;e<this.dataArray.length;++e)this.pathLength+=this.dataArray[e].pathLength;this.on("dataChange.konva",(function(){this.dataArray=Mt.parsePathData(this.data()),this.pathLength=0;for(var t=0;t<this.dataArray.length;++t)this.pathLength+=this.dataArray[t].pathLength}))}_sceneFunc(t){var e=this.dataArray;t.beginPath();for(var i=!1,r=0;r<e.length;r++){var a=e[r].command,n=e[r].points;switch(a){case"L":t.lineTo(n[0],n[1]);break;case"M":t.moveTo(n[0],n[1]);break;case"C":t.bezierCurveTo(n[0],n[1],n[2],n[3],n[4],n[5]);break;case"Q":t.quadraticCurveTo(n[0],n[1],n[2],n[3]);break;case"A":var s=n[0],o=n[1],h=n[2],l=n[3],d=n[4],c=n[5],g=n[6],u=n[7],f=h>l?h:l,p=h>l?1:h/l,v=h>l?l/h:1;t.translate(s,o),t.rotate(g),t.scale(p,v),t.arc(0,0,f,d,d+c,1-u),t.scale(1/p,1/v),t.rotate(-g),t.translate(-s,-o);break;case"z":i=!0,t.closePath()}}i||this.hasFill()?t.fillStrokeShape(this):t.strokeShape(this)}getSelfRect(){var t=[];this.dataArray.forEach((function(e){if("A"===e.command){var i=e.points[4],r=e.points[5],a=e.points[4]+r,n=Math.PI/180;if(Math.abs(i-a)<n&&(n=Math.abs(i-a)),r<0)for(let r=i-n;r>a;r-=n){const i=Mt.getPointOnEllipticalArc(e.points[0],e.points[1],e.points[2],e.points[3],r,0);t.push(i.x,i.y)}else for(let r=i+n;r<a;r+=n){const i=Mt.getPointOnEllipticalArc(e.points[0],e.points[1],e.points[2],e.points[3],r,0);t.push(i.x,i.y)}}else if("C"===e.command)for(let i=0;i<=1;i+=.01){const r=Mt.getPointOnCubicBezier(i,e.start.x,e.start.y,e.points[0],e.points[1],e.points[2],e.points[3],e.points[4],e.points[5]);t.push(r.x,r.y)}else t=t.concat(e.points)}));for(var e,i,r=t[0],a=t[0],n=t[1],s=t[1],o=0;o<t.length/2;o++)e=t[2*o],i=t[2*o+1],isNaN(e)||(r=Math.min(r,e),a=Math.max(a,e)),isNaN(i)||(n=Math.min(n,i),s=Math.max(s,i));return{x:Math.round(r),y:Math.round(n),width:Math.round(a-r),height:Math.round(s-n)}}getLength(){return this.pathLength}getPointAtLength(t){var e,i=0,r=this.dataArray.length;if(!r)return null;for(;i<r&&t>this.dataArray[i].pathLength;)t-=this.dataArray[i].pathLength,++i;if(i===r)return{x:(e=this.dataArray[i-1].points.slice(-2))[0],y:e[1]};if(t<.01)return{x:(e=this.dataArray[i].points.slice(0,2))[0],y:e[1]};var a=this.dataArray[i],n=a.points;switch(a.command){case"L":return Mt.getPointOnLine(t,a.start.x,a.start.y,n[0],n[1]);case"C":return Mt.getPointOnCubicBezier(t/a.pathLength,a.start.x,a.start.y,n[0],n[1],n[2],n[3],n[4],n[5]);case"Q":return Mt.getPointOnQuadraticBezier(t/a.pathLength,a.start.x,a.start.y,n[0],n[1],n[2],n[3]);case"A":var s=n[0],o=n[1],h=n[2],l=n[3],d=n[4],c=n[5],g=n[6];return d+=c*t/a.pathLength,Mt.getPointOnEllipticalArc(s,o,h,l,d,g)}return null}static getLineLength(t,e,i,r){return Math.sqrt((i-t)*(i-t)+(r-e)*(r-e))}static getPointOnLine(t,e,i,r,a,n,s){void 0===n&&(n=e),void 0===s&&(s=i);var o=(a-i)/(r-e+1e-8),h=Math.sqrt(t*t/(1+o*o));r<e&&(h*=-1);var l,d=o*h;if(r===e)l={x:n,y:s+d};else if((s-i)/(n-e+1e-8)===o)l={x:n+h,y:s+d};else{var c,g,u=this.getLineLength(e,i,r,a),f=(n-e)*(r-e)+(s-i)*(a-i);c=e+(f/=u*u)*(r-e),g=i+f*(a-i);var p=this.getLineLength(n,s,c,g),v=Math.sqrt(t*t-p*p);h=Math.sqrt(v*v/(1+o*o)),r<e&&(h*=-1),l={x:c+h,y:g+(d=o*h)}}return l}static getPointOnCubicBezier(t,e,i,r,a,n,s,o,h){function l(t){return t*t*t}function d(t){return 3*t*t*(1-t)}function c(t){return 3*t*(1-t)*(1-t)}function g(t){return(1-t)*(1-t)*(1-t)}return{x:o*l(t)+n*d(t)+r*c(t)+e*g(t),y:h*l(t)+s*d(t)+a*c(t)+i*g(t)}}static getPointOnQuadraticBezier(t,e,i,r,a,n,s){function o(t){return t*t}function h(t){return 2*t*(1-t)}function l(t){return(1-t)*(1-t)}return{x:n*o(t)+r*h(t)+e*l(t),y:s*o(t)+a*h(t)+i*l(t)}}static getPointOnEllipticalArc(t,e,i,r,a,n){var s=Math.cos(n),o=Math.sin(n),h=i*Math.cos(a),l=r*Math.sin(a);return{x:t+(h*s-l*o),y:e+(h*o+l*s)}}static parsePathData(t){if(!t)return[];var e=t,i=["m","M","l","L","v","V","h","H","z","Z","c","C","q","Q","t","T","s","S","a","A"];e=e.replace(new RegExp(" ","g"),",");for(var r=0;r<i.length;r++)e=e.replace(new RegExp(i[r],"g"),"|"+i[r]);var a,n=e.split("|"),s=[],o=[],h=0,l=0,d=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi;for(r=1;r<n.length;r++){var c=n[r],g=c.charAt(0);for(c=c.slice(1),o.length=0;a=d.exec(c);)o.push(a[0]);for(var u=[],f=0,p=o.length;f<p;f++){var v=parseFloat(o[f]);isNaN(v)?u.push(0):u.push(v)}for(;u.length>0&&!isNaN(u[0]);){var m,_,y,x,b,S,w,C,P,k,T=null,A=[],M=h,G=l;switch(g){case"l":h+=u.shift(),l+=u.shift(),T="L",A.push(h,l);break;case"L":h=u.shift(),l=u.shift(),A.push(h,l);break;case"m":var E=u.shift(),R=u.shift();if(h+=E,l+=R,T="M",s.length>2&&"z"===s[s.length-1].command)for(var L=s.length-2;L>=0;L--)if("M"===s[L].command){h=s[L].points[0]+E,l=s[L].points[1]+R;break}A.push(h,l),g="l";break;case"M":h=u.shift(),l=u.shift(),T="M",A.push(h,l),g="L";break;case"h":h+=u.shift(),T="L",A.push(h,l);break;case"H":h=u.shift(),T="L",A.push(h,l);break;case"v":l+=u.shift(),T="L",A.push(h,l);break;case"V":l=u.shift(),T="L",A.push(h,l);break;case"C":A.push(u.shift(),u.shift(),u.shift(),u.shift()),h=u.shift(),l=u.shift(),A.push(h,l);break;case"c":A.push(h+u.shift(),l+u.shift(),h+u.shift(),l+u.shift()),h+=u.shift(),l+=u.shift(),T="C",A.push(h,l);break;case"S":_=h,y=l,"C"===(m=s[s.length-1]).command&&(_=h+(h-m.points[2]),y=l+(l-m.points[3])),A.push(_,y,u.shift(),u.shift()),h=u.shift(),l=u.shift(),T="C",A.push(h,l);break;case"s":_=h,y=l,"C"===(m=s[s.length-1]).command&&(_=h+(h-m.points[2]),y=l+(l-m.points[3])),A.push(_,y,h+u.shift(),l+u.shift()),h+=u.shift(),l+=u.shift(),T="C",A.push(h,l);break;case"Q":A.push(u.shift(),u.shift()),h=u.shift(),l=u.shift(),A.push(h,l);break;case"q":A.push(h+u.shift(),l+u.shift()),h+=u.shift(),l+=u.shift(),T="Q",A.push(h,l);break;case"T":_=h,y=l,"Q"===(m=s[s.length-1]).command&&(_=h+(h-m.points[0]),y=l+(l-m.points[1])),h=u.shift(),l=u.shift(),T="Q",A.push(_,y,h,l);break;case"t":_=h,y=l,"Q"===(m=s[s.length-1]).command&&(_=h+(h-m.points[0]),y=l+(l-m.points[1])),h+=u.shift(),l+=u.shift(),T="Q",A.push(_,y,h,l);break;case"A":x=u.shift(),b=u.shift(),S=u.shift(),w=u.shift(),C=u.shift(),P=h,k=l,h=u.shift(),l=u.shift(),T="A",A=this.convertEndpointToCenterParameterization(P,k,h,l,w,C,x,b,S);break;case"a":x=u.shift(),b=u.shift(),S=u.shift(),w=u.shift(),C=u.shift(),P=h,k=l,h+=u.shift(),l+=u.shift(),T="A",A=this.convertEndpointToCenterParameterization(P,k,h,l,w,C,x,b,S)}s.push({command:T||g,points:A,start:{x:M,y:G},pathLength:this.calcLength(M,G,T||g,A)})}"z"!==g&&"Z"!==g||s.push({command:"z",points:[],start:void 0,pathLength:0})}return s}static calcLength(t,e,i,r){var a,n,s,o,h=Mt;switch(i){case"L":return h.getLineLength(t,e,r[0],r[1]);case"C":for(a=0,n=h.getPointOnCubicBezier(0,t,e,r[0],r[1],r[2],r[3],r[4],r[5]),o=.01;o<=1;o+=.01)s=h.getPointOnCubicBezier(o,t,e,r[0],r[1],r[2],r[3],r[4],r[5]),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;return a;case"Q":for(a=0,n=h.getPointOnQuadraticBezier(0,t,e,r[0],r[1],r[2],r[3]),o=.01;o<=1;o+=.01)s=h.getPointOnQuadraticBezier(o,t,e,r[0],r[1],r[2],r[3]),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;return a;case"A":a=0;var l=r[4],d=r[5],c=r[4]+d,g=Math.PI/180;if(Math.abs(l-c)<g&&(g=Math.abs(l-c)),n=h.getPointOnEllipticalArc(r[0],r[1],r[2],r[3],l,0),d<0)for(o=l-g;o>c;o-=g)s=h.getPointOnEllipticalArc(r[0],r[1],r[2],r[3],o,0),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;else for(o=l+g;o<c;o+=g)s=h.getPointOnEllipticalArc(r[0],r[1],r[2],r[3],o,0),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;return s=h.getPointOnEllipticalArc(r[0],r[1],r[2],r[3],c,0),a+=h.getLineLength(n.x,n.y,s.x,s.y)}return 0}static convertEndpointToCenterParameterization(t,e,i,r,a,n,s,o,h){var l=h*(Math.PI/180),d=Math.cos(l)*(t-i)/2+Math.sin(l)*(e-r)/2,c=-1*Math.sin(l)*(t-i)/2+Math.cos(l)*(e-r)/2,g=d*d/(s*s)+c*c/(o*o);g>1&&(s*=Math.sqrt(g),o*=Math.sqrt(g));var u=Math.sqrt((s*s*(o*o)-s*s*(c*c)-o*o*(d*d))/(s*s*(c*c)+o*o*(d*d)));a===n&&(u*=-1),isNaN(u)&&(u=0);var f=u*s*c/o,p=u*-o*d/s,v=(t+i)/2+Math.cos(l)*f-Math.sin(l)*p,m=(e+r)/2+Math.sin(l)*f+Math.cos(l)*p,_=function(t){return Math.sqrt(t[0]*t[0]+t[1]*t[1])},y=function(t,e){return(t[0]*e[0]+t[1]*e[1])/(_(t)*_(e))},x=function(t,e){return(t[0]*e[1]<t[1]*e[0]?-1:1)*Math.acos(y(t,e))},b=x([1,0],[(d-f)/s,(c-p)/o]),S=[(d-f)/s,(c-p)/o],w=[(-1*d-f)/s,(-1*c-p)/o],C=x(S,w);return y(S,w)<=-1&&(C=Math.PI),y(S,w)>=1&&(C=0),0===n&&C>0&&(C-=2*Math.PI),1===n&&C<0&&(C+=2*Math.PI),[v,m,s,o,b,C,l,n]}}Mt.prototype.className="Path",Mt.prototype._attrsAffectingSize=["data"],n(Mt),b.addGetterSetter(Mt,"data");class Gt extends at{_sceneFunc(t){var e=this.cornerRadius(),i=this.width(),r=this.height();if(t.beginPath(),e){let a=0,n=0,s=0,o=0;"number"==typeof e?a=n=s=o=Math.min(e,i/2,r/2):(a=Math.min(e[0]||0,i/2,r/2),n=Math.min(e[1]||0,i/2,r/2),o=Math.min(e[2]||0,i/2,r/2),s=Math.min(e[3]||0,i/2,r/2)),t.moveTo(a,0),t.lineTo(i-n,0),t.arc(i-n,n,n,3*Math.PI/2,0,!1),t.lineTo(i,r-o),t.arc(i-o,r-o,o,0,Math.PI/2,!1),t.lineTo(s,r),t.arc(s,r-s,s,Math.PI/2,Math.PI,!1),t.lineTo(0,a),t.arc(a,a,a,Math.PI,3*Math.PI/2,!1)}else t.rect(0,0,i,r);t.closePath(),t.fillStrokeShape(this)}}Gt.prototype.className="Rect",n(Gt),b.addGetterSetter(Gt,"cornerRadius",0,v(4));class Et extends at{_sceneFunc(t){const e=this._getPoints();t.beginPath(),t.moveTo(e[0].x,e[0].y);for(var i=1;i<e.length;i++)t.lineTo(e[i].x,e[i].y);t.closePath(),t.fillStrokeShape(this)}_getPoints(){const t=this.attrs.sides,e=this.attrs.radius||0,i=[];for(var r=0;r<t;r++)i.push({x:e*Math.sin(2*r*Math.PI/t),y:-1*e*Math.cos(2*r*Math.PI/t)});return i}getSelfRect(){const t=this._getPoints();var e=t[0].x,i=t[0].y,r=t[0].x,a=t[0].y;return t.forEach(t=>{e=Math.min(e,t.x),i=Math.max(i,t.x),r=Math.min(r,t.y),a=Math.max(a,t.y)}),{x:e,y:r,width:i-e,height:a-r}}getWidth(){return 2*this.radius()}getHeight(){return 2*this.radius()}setWidth(t){this.radius(t/2)}setHeight(t){this.radius(t/2)}}Et.prototype.className="RegularPolygon",Et.prototype._centroid=!0,Et.prototype._attrsAffectingSize=["radius"],n(Et),b.addGetterSetter(Et,"radius",0,p()),b.addGetterSetter(Et,"sides",0,p());var Rt=2*Math.PI;class Lt extends at{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.innerRadius(),0,Rt,!1),t.moveTo(this.outerRadius(),0),t.arc(0,0,this.outerRadius(),Rt,0,!0),t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.outerRadius()}getHeight(){return 2*this.outerRadius()}setWidth(t){this.outerRadius(t/2)}setHeight(t){this.outerRadius(t/2)}}Lt.prototype.className="Ring",Lt.prototype._centroid=!0,Lt.prototype._attrsAffectingSize=["innerRadius","outerRadius"],n(Lt),b.addGetterSetter(Lt,"innerRadius",0,p()),b.addGetterSetter(Lt,"outerRadius",0,p());class Dt extends at{constructor(t){super(t),this._updated=!0,this.anim=new ct(()=>{var t=this._updated;return this._updated=!1,t}),this.on("animationChange.konva",(function(){this.frameIndex(0)})),this.on("frameIndexChange.konva",(function(){this._updated=!0})),this.on("frameRateChange.konva",(function(){this.anim.isRunning()&&(clearInterval(this.interval),this._setInterval())}))}_sceneFunc(t){var e=this.animation(),i=this.frameIndex(),r=4*i,a=this.animations()[e],n=this.frameOffsets(),s=a[r+0],o=a[r+1],h=a[r+2],l=a[r+3],d=this.image();if((this.hasFill()||this.hasStroke())&&(t.beginPath(),t.rect(0,0,h,l),t.closePath(),t.fillStrokeShape(this)),d)if(n){var c=n[e],g=2*i;t.drawImage(d,s,o,h,l,c[g+0],c[g+1],h,l)}else t.drawImage(d,s,o,h,l,0,0,h,l)}_hitFunc(t){var e=this.animation(),i=this.frameIndex(),r=4*i,a=this.animations()[e],n=this.frameOffsets(),s=a[r+2],o=a[r+3];if(t.beginPath(),n){var h=n[e],l=2*i;t.rect(h[l+0],h[l+1],s,o)}else t.rect(0,0,s,o);t.closePath(),t.fillShape(this)}_useBufferCanvas(){return super._useBufferCanvas(!0)}_setInterval(){var t=this;this.interval=setInterval((function(){t._updateIndex()}),1e3/this.frameRate())}start(){if(!this.isRunning()){var t=this.getLayer();this.anim.setLayers(t),this._setInterval(),this.anim.start()}}stop(){this.anim.stop(),clearInterval(this.interval)}isRunning(){return this.anim.isRunning()}_updateIndex(){var t=this.frameIndex(),e=this.animation();t<this.animations()[e].length/4-1?this.frameIndex(t+1):this.frameIndex(0)}}Dt.prototype.className="Sprite",n(Dt),b.addGetterSetter(Dt,"animation"),b.addGetterSetter(Dt,"animations"),b.addGetterSetter(Dt,"frameOffsets"),b.addGetterSetter(Dt,"image"),b.addGetterSetter(Dt,"frameIndex",0,p()),b.addGetterSetter(Dt,"frameRate",17,p()),b.backCompat(Dt,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"});class It extends at{_sceneFunc(t){var e=this.innerRadius(),i=this.outerRadius(),r=this.numPoints();t.beginPath(),t.moveTo(0,0-i);for(var a=1;a<2*r;a++){var n=a%2==0?i:e,s=n*Math.sin(a*Math.PI/r),o=-1*n*Math.cos(a*Math.PI/r);t.lineTo(s,o)}t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.outerRadius()}getHeight(){return 2*this.outerRadius()}setWidth(t){this.outerRadius(t/2)}setHeight(t){this.outerRadius(t/2)}}function Ot(t){return Array.from(t)}It.prototype.className="Star",It.prototype._centroid=!0,It.prototype._attrsAffectingSize=["innerRadius","outerRadius"],n(It),b.addGetterSetter(It,"numPoints",5,p()),b.addGetterSetter(It,"innerRadius",0,p()),b.addGetterSetter(It,"outerRadius",0,p());var Ft,Bt=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","verticalAlign","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],Nt=Bt.length;function zt(){return Ft||(Ft=g.createCanvasElement().getContext("2d"))}class Wt extends at{constructor(t){super(function(t){return(t=t||{}).fillLinearGradientColorStops||t.fillRadialGradientColorStops||t.fillPatternImage||(t.fill=t.fill||"black"),t}(t)),this._partialTextX=0,this._partialTextY=0;for(var e=0;e<Nt;e++)this.on(Bt[e]+"Change.konva",this._setTextData);this._setTextData()}_sceneFunc(t){var e=this.textArr,i=e.length;if(this.text()){var r,a=this.padding(),n=this.fontSize(),s=this.lineHeight()*n,o=this.verticalAlign(),h=0,l=this.align(),d=this.getWidth(),c=this.letterSpacing(),g=this.fill(),u=this.textDecoration(),f=-1!==u.indexOf("underline"),p=-1!==u.indexOf("line-through"),v=0,m=(v=s/2,0),_=0;for(t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline","middle"),t.setAttr("textAlign","left"),"middle"===o?h=(this.getHeight()-i*s-2*a)/2:"bottom"===o&&(h=this.getHeight()-i*s-2*a),t.translate(a,h+a),r=0;r<i;r++){m=0,_=0;var y,x,b,S=e[r],w=S.text,C=S.width,P=r!==i-1;if(t.save(),"right"===l?m+=d-C-2*a:"center"===l&&(m+=(d-C-2*a)/2),f&&(t.save(),t.beginPath(),t.moveTo(m,v+_+Math.round(n/2)),x=0===(y=w.split(" ").length-1),b="justify"===l&&P&&!x?d-2*a:C,t.lineTo(m+Math.round(b),v+_+Math.round(n/2)),t.lineWidth=n/15,t.strokeStyle=g,t.stroke(),t.restore()),p&&(t.save(),t.beginPath(),t.moveTo(m,v+_),x=0===(y=w.split(" ").length-1),b="justify"===l&&P&&!x?d-2*a:C,t.lineTo(m+Math.round(b),v+_),t.lineWidth=n/15,t.strokeStyle=g,t.stroke(),t.restore()),0!==c||"justify"===l){y=w.split(" ").length-1;for(var k=Ot(w),T=0;T<k.length;T++){var A=k[T];" "===A&&r!==i-1&&"justify"===l&&(m+=(d-2*a-C)/y),this._partialTextX=m,this._partialTextY=v+_,this._partialText=A,t.fillStrokeShape(this),m+=this.measureSize(A).width+c}}else this._partialTextX=m,this._partialTextY=v+_,this._partialText=w,t.fillStrokeShape(this);t.restore(),i>1&&(v+=s)}}}_hitFunc(t){var e=this.getWidth(),i=this.getHeight();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)}setText(t){var e=g._isString(t)?t:null==t?"":t+"";return this._setAttr("text",e),this}getWidth(){return"auto"===this.attrs.width||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width}getHeight(){return"auto"===this.attrs.height||void 0===this.attrs.height?this.fontSize()*this.textArr.length*this.lineHeight()+2*this.padding():this.attrs.height}getTextWidth(){return this.textWidth}getTextHeight(){return g.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight}measureSize(t){var e,i=zt(),r=this.fontSize();return i.save(),i.font=this._getContextFont(),e=i.measureText(t),i.restore(),{width:e.width,height:r}}_getContextFont(){return a.UA.isIE?this.fontStyle()+" "+this.fontSize()+"px "+this.fontFamily():this.fontStyle()+" "+this.fontVariant()+" "+this.fontSize()+"px "+this.fontFamily().split(",").map(t=>{const e=(t=t.trim()).indexOf(" ")>=0,i=t.indexOf('"')>=0||t.indexOf("'")>=0;return e&&!i&&(t=`"${t}"`),t}).join(", ")}_addTextLine(t){"justify"===this.align()&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})}_getTextWidth(t){var e=this.letterSpacing(),i=t.length;return zt().measureText(t).width+(i?e*(i-1):0)}_setTextData(){var t=this.text().split("\n"),e=+this.fontSize(),i=0,r=this.lineHeight()*e,a=this.attrs.width,n=this.attrs.height,s="auto"!==a&&void 0!==a,o="auto"!==n&&void 0!==n,h=this.padding(),l=a-2*h,d=n-2*h,c=0,g=this.wrap(),u="none"!==g,f="char"!==g&&u,p=this.ellipsis();this.textArr=[],zt().font=this._getContextFont();for(var v=p?this._getTextWidth("…"):0,m=0,_=t.length;m<_;++m){var y=t[m],x=this._getTextWidth(y);if(s&&x>l)for(;y.length>0;){for(var b=0,S=y.length,w="",C=0;b<S;){var P=b+S>>>1,k=y.slice(0,P+1),T=this._getTextWidth(k)+v;T<=l?(b=P+1,w=k,C=T):S=P}if(!w)break;if(f){var A,M=y[w.length];(A=(" "===M||"-"===M)&&C<=l?w.length:Math.max(w.lastIndexOf(" "),w.lastIndexOf("-"))+1)>0&&(b=A,w=w.slice(0,b),C=this._getTextWidth(w))}if(w=w.trimRight(),this._addTextLine(w),i=Math.max(i,C),c+=r,!u||o&&c+r>d){var G=this.textArr[this.textArr.length-1];if(G)if(p)this._getTextWidth(G.text+"…")<l||(G.text=G.text.slice(0,G.text.length-3)),this.textArr.splice(this.textArr.length-1,1),this._addTextLine(G.text+"…");break}if((y=(y=y.slice(b)).trimLeft()).length>0&&(x=this._getTextWidth(y))<=l){this._addTextLine(y),c+=r,i=Math.max(i,x);break}}else this._addTextLine(y),c+=r,i=Math.max(i,x);if(o&&c+r>d)break}this.textHeight=e,this.textWidth=i}getStrokeScaleEnabled(){return!0}}Wt.prototype._fillFunc=function(t){t.fillText(this._partialText,this._partialTextX,this._partialTextY)},Wt.prototype._strokeFunc=function(t){t.strokeText(this._partialText,this._partialTextX,this._partialTextY)},Wt.prototype.className="Text",Wt.prototype._attrsAffectingSize=["text","fontSize","padding","wrap","lineHeight","letterSpacing"],n(Wt),b.overWriteSetter(Wt,"width",m()),b.overWriteSetter(Wt,"height",m()),b.addGetterSetter(Wt,"fontFamily","Arial"),b.addGetterSetter(Wt,"fontSize",12,p()),b.addGetterSetter(Wt,"fontStyle","normal"),b.addGetterSetter(Wt,"fontVariant","normal"),b.addGetterSetter(Wt,"padding",0,p()),b.addGetterSetter(Wt,"align","left"),b.addGetterSetter(Wt,"verticalAlign","top"),b.addGetterSetter(Wt,"lineHeight",1,p()),b.addGetterSetter(Wt,"wrap","word"),b.addGetterSetter(Wt,"ellipsis",!1,x()),b.addGetterSetter(Wt,"letterSpacing",0,p()),b.addGetterSetter(Wt,"text","",_()),b.addGetterSetter(Wt,"textDecoration","");function Ht(t){t.fillText(this.partialText,0,0)}function Yt(t){t.strokeText(this.partialText,0,0)}class Xt extends at{constructor(t){super(t),this.dummyCanvas=g.createCanvasElement(),this.dataArray=[],this.dataArray=Mt.parsePathData(this.attrs.data),this.on("dataChange.konva",(function(){this.dataArray=Mt.parsePathData(this.attrs.data),this._setTextData()})),this.on("textChange.konva alignChange.konva letterSpacingChange.konva kerningFuncChange.konva fontSizeChange.konva",this._setTextData),t&&t.getKerning&&(g.warn('getKerning TextPath API is deprecated. Please use "kerningFunc" instead.'),this.kerningFunc(t.getKerning)),this._setTextData()}_sceneFunc(t){t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",this.textBaseline()),t.setAttr("textAlign","left"),t.save();var e=this.textDecoration(),i=this.fill(),r=this.fontSize(),a=this.glyphInfo;"underline"===e&&t.beginPath();for(var n=0;n<a.length;n++){t.save();var s=a[n].p0;t.translate(s.x,s.y),t.rotate(a[n].rotation),this.partialText=a[n].text,t.fillStrokeShape(this),"underline"===e&&(0===n&&t.moveTo(0,r/2+1),t.lineTo(r,r/2+1)),t.restore()}"underline"===e&&(t.strokeStyle=i,t.lineWidth=r/20,t.stroke()),t.restore()}_hitFunc(t){t.beginPath();var e=this.glyphInfo;if(e.length>=1){var i=e[0].p0;t.moveTo(i.x,i.y)}for(var r=0;r<e.length;r++){var a=e[r].p1;t.lineTo(a.x,a.y)}t.setAttr("lineWidth",this.fontSize()),t.setAttr("strokeStyle",this.colorKey),t.stroke()}getTextWidth(){return this.textWidth}getTextHeight(){return g.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight}setText(t){return Wt.prototype.setText.call(this,t)}_getContextFont(){return Wt.prototype._getContextFont.call(this)}_getTextSize(t){var e=this.dummyCanvas.getContext("2d");e.save(),e.font=this._getContextFont();var i=e.measureText(t);return e.restore(),{width:i.width,height:parseInt(this.attrs.fontSize,10)}}_setTextData(){var t=this,e=this._getTextSize(this.attrs.text),i=this.letterSpacing(),r=this.align(),a=this.kerningFunc();this.textWidth=e.width,this.textHeight=e.height;var n=Math.max(this.textWidth+((this.attrs.text||"").length-1)*i,0);this.glyphInfo=[];for(var s=0,o=0;o<t.dataArray.length;o++)t.dataArray[o].pathLength>0&&(s+=t.dataArray[o].pathLength);var h=0;"center"===r&&(h=Math.max(0,s/2-n/2)),"right"===r&&(h=Math.max(0,s-n));for(var l,d,c,g=Ot(this.text()),u=this.text().split(" ").length-1,f=-1,p=0,v=function(){p=0;for(var e=t.dataArray,i=f+1;i<e.length;i++){if(e[i].pathLength>0)return f=i,e[i];"M"===e[i].command&&(l={x:e[i].points[0],y:e[i].points[1]})}return{}},m=function(e){var a=t._getTextSize(e).width+i;" "===e&&"justify"===r&&(a+=(s-n)/u);var o=0,h=0;for(d=void 0;Math.abs(a-o)/a>.01&&h<20;){h++;for(var g=o;void 0===c;)(c=v())&&g+c.pathLength<a&&(g+=c.pathLength,c=void 0);if(c==={}||void 0===l)return;var f=!1;switch(c.command){case"L":Mt.getLineLength(l.x,l.y,c.points[0],c.points[1])>a?d=Mt.getPointOnLine(a,l.x,l.y,c.points[0],c.points[1],l.x,l.y):c=void 0;break;case"A":var m=c.points[4],_=c.points[5],y=c.points[4]+_;0===p?p=m+1e-8:a>o?p+=Math.PI/180*_/Math.abs(_):p-=Math.PI/360*_/Math.abs(_),(_<0&&p<y||_>=0&&p>y)&&(p=y,f=!0),d=Mt.getPointOnEllipticalArc(c.points[0],c.points[1],c.points[2],c.points[3],p,c.points[6]);break;case"C":0===p?p=a>c.pathLength?1e-8:a/c.pathLength:a>o?p+=(a-o)/c.pathLength/2:p=Math.max(p-(o-a)/c.pathLength/2,0),p>1&&(p=1,f=!0),d=Mt.getPointOnCubicBezier(p,c.start.x,c.start.y,c.points[0],c.points[1],c.points[2],c.points[3],c.points[4],c.points[5]);break;case"Q":0===p?p=a/c.pathLength:a>o?p+=(a-o)/c.pathLength:p-=(o-a)/c.pathLength,p>1&&(p=1,f=!0),d=Mt.getPointOnQuadraticBezier(p,c.start.x,c.start.y,c.points[0],c.points[1],c.points[2],c.points[3])}void 0!==d&&(o=Mt.getLineLength(l.x,l.y,d.x,d.y)),f&&(f=!1,c=void 0)}},_=h/(t._getTextSize("C").width+i)-1,y=0;y<_&&(m("C"),void 0!==l&&void 0!==d);y++)l=d;for(var x=0;x<g.length&&(m(g[x]),void 0!==l&&void 0!==d);x++){var b=Mt.getLineLength(l.x,l.y,d.x,d.y),S=0;if(a)try{S=a(g[x-1],g[x])*this.fontSize()}catch(t){S=0}l.x+=S,d.x+=S,this.textWidth+=S;var w=Mt.getPointOnLine(S+b/2,l.x,l.y,d.x,d.y),C=Math.atan2(d.y-l.y,d.x-l.x);this.glyphInfo.push({transposeX:w.x,transposeY:w.y,text:g[x],rotation:C,p0:l,p1:d}),l=d}}getSelfRect(){if(!this.glyphInfo.length)return{x:0,y:0,width:0,height:0};var t=[];this.glyphInfo.forEach((function(e){t.push(e.p0.x),t.push(e.p0.y),t.push(e.p1.x),t.push(e.p1.y)}));for(var e,i,r=t[0]||0,a=t[0]||0,n=t[1]||0,s=t[1]||0,o=0;o<t.length/2;o++)e=t[2*o],i=t[2*o+1],r=Math.min(r,e),a=Math.max(a,e),n=Math.min(n,i),s=Math.max(s,i);var h=this.fontSize();return{x:r-h/2,y:n-h/2,width:a-r+h,height:s-n+h}}}Xt.prototype._fillFunc=Ht,Xt.prototype._strokeFunc=Yt,Xt.prototype._fillFuncHit=Ht,Xt.prototype._strokeFuncHit=Yt,Xt.prototype.className="TextPath",Xt.prototype._attrsAffectingSize=["text","fontSize","data"],n(Xt),b.addGetterSetter(Xt,"data"),b.addGetterSetter(Xt,"fontFamily","Arial"),b.addGetterSetter(Xt,"fontSize",12,p()),b.addGetterSetter(Xt,"fontStyle","normal"),b.addGetterSetter(Xt,"align","left"),b.addGetterSetter(Xt,"letterSpacing",0,p()),b.addGetterSetter(Xt,"textBaseline","middle"),b.addGetterSetter(Xt,"fontVariant","normal"),b.addGetterSetter(Xt,"text",""),b.addGetterSetter(Xt,"textDecoration",null),b.addGetterSetter(Xt,"kerningFunc",null);var jt=["resizeEnabledChange","rotateAnchorOffsetChange","rotateEnabledChange","enabledAnchorsChange","anchorSizeChange","borderEnabledChange","borderStrokeChange","borderStrokeWidthChange","borderDashChange","anchorStrokeChange","anchorStrokeWidthChange","anchorFillChange","anchorCornerRadiusChange","ignoreStrokeChange"].map(t=>t+".tr-konva").join(" "),Ut=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"].map(t=>t+".tr-konva").join(" "),qt={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135};const Kt="ontouchstart"in a._global;var Vt=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"];function Qt(t,e,i){const r=i.x+(t.x-i.x)*Math.cos(e)-(t.y-i.y)*Math.sin(e),a=i.y+(t.x-i.x)*Math.sin(e)+(t.y-i.y)*Math.cos(e);return Object.assign(Object.assign({},t),{rotation:t.rotation+e,x:r,y:a})}function Jt(t,e){return Qt(t,e,function(t){return{x:t.x+t.width/2*Math.cos(t.rotation)+t.height/2*Math.sin(-t.rotation),y:t.y+t.height/2*Math.cos(t.rotation)+t.width/2*Math.sin(t.rotation)}}(t))}class Zt extends lt{constructor(t){super(t),this._transforming=!1,this._createElements(),this._handleMouseMove=this._handleMouseMove.bind(this),this._handleMouseUp=this._handleMouseUp.bind(this),this.update=this.update.bind(this),this.on(jt,this.update),this.getNode()&&this.update()}attachTo(t){return this.setNode(t),this}setNode(t){return g.warn("tr.setNode(shape), tr.node(shape) and tr.attachTo(shape) methods are deprecated. Please use tr.nodes(nodesArray) instead."),this.setNodes([t])}getNode(){return this._nodes&&this._nodes[0]}setNodes(t=[]){return this._nodes&&this._nodes.length&&this.detach(),this._nodes=t,1===t.length?this.rotation(t[0].getAbsoluteRotation()):this.rotation(0),this._nodes.forEach(t=>{const e=t._attrsAffectingSize.map(t=>t+"Change.tr-konva").join(" "),i=()=>{1===this.nodes().length&&this.rotation(this.nodes()[0].getAbsoluteRotation()),this._resetTransformCache(),this._transforming||this.isDragging()||this.update()};t.on(e,i),t.on(Ut,i),t.on("absoluteTransformChange.tr-konva",i),t.on("xChange.tr-konva yChange.tr-konva",i),this._proxyDrag(t)}),this._resetTransformCache(),!!this.findOne(".top-left")&&this.update(),this}_proxyDrag(t){let e;t.on("dragstart.tr-konva",i=>{e=t.getAbsolutePosition(),this.isDragging()||t===this.findOne(".back")||this.startDrag(i,!1)}),t.on("dragmove.tr-konva",i=>{if(!e)return;const r=t.getAbsolutePosition(),a=r.x-e.x,n=r.y-e.y;this.nodes().forEach(e=>{if(e===t)return;if(e.isDragging())return;const r=e.getAbsolutePosition();e.setAbsolutePosition({x:r.x+a,y:r.y+n}),e.startDrag(i)}),e=null})}getNodes(){return this._nodes||[]}getActiveAnchor(){return this._movingAnchorName}detach(){this._nodes&&this._nodes.forEach(t=>{t.off(".tr-konva")}),this._nodes=[],this._resetTransformCache()}_resetTransformCache(){this._clearCache("nodesRect"),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}_getNodeRect(){return this._getCache("nodesRect",this.__getNodeRect)}__getNodeShape(t,e=this.rotation(),i){var r=t.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),n=t.getAbsoluteScale(i),s=t.getAbsolutePosition(i),o=r.x*n.x-t.offsetX()*n.x,h=r.y*n.y-t.offsetY()*n.y;const l=(a.getAngle(t.getAbsoluteRotation())+2*Math.PI)%(2*Math.PI);return Qt({x:s.x+o*Math.cos(l)+h*Math.sin(-l),y:s.y+h*Math.cos(l)+o*Math.sin(l),width:r.width*n.x,height:r.height*n.y,rotation:l},-a.getAngle(e),{x:0,y:0})}__getNodeRect(){if(!this.getNode())return{x:-1e8,y:-1e8,width:0,height:0,rotation:0};const t=[];this.nodes().map(e=>{const i=e.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()});var r=[{x:i.x,y:i.y},{x:i.x+i.width,y:i.y},{x:i.x+i.width,y:i.y+i.height},{x:i.x,y:i.y+i.height}],a=e.getAbsoluteTransform();r.forEach((function(e){var i=a.point(e);t.push(i)}))});const e=new s;var i,r,n,o;e.rotate(-a.getAngle(this.rotation())),t.forEach((function(t){var a=e.point(t);void 0===i&&(i=n=a.x,r=o=a.y),i=Math.min(i,a.x),r=Math.min(r,a.y),n=Math.max(n,a.x),o=Math.max(o,a.y)})),e.invert();const h=e.point({x:i,y:r});return{x:h.x,y:h.y,width:n-i,height:o-r,rotation:a.getAngle(this.rotation())}}getX(){return this._getNodeRect().x}getY(){return this._getNodeRect().y}getWidth(){return this._getNodeRect().width}getHeight(){return this._getNodeRect().height}_createElements(){this._createBack(),Vt.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")}_createAnchor(t){var e=new Gt({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:t+" _anchor",dragDistance:0,draggable:!0,hitStrokeWidth:Kt?10:"auto"}),i=this;e.on("mousedown touchstart",(function(t){i._handleMouseDown(t)})),e.on("dragstart",t=>{e.stopDrag(),t.cancelBubble=!0}),e.on("dragend",t=>{t.cancelBubble=!0}),e.on("mouseenter",()=>{var i=a.getAngle(this.rotation()),r=function(t,e){if("rotater"===t)return"crosshair";e+=g._degToRad(qt[t]||0);var i=(g._radToDeg(e)%360+360)%360;return g._inRange(i,337.5,360)||g._inRange(i,0,22.5)?"ns-resize":g._inRange(i,22.5,67.5)?"nesw-resize":g._inRange(i,67.5,112.5)?"ew-resize":g._inRange(i,112.5,157.5)?"nwse-resize":g._inRange(i,157.5,202.5)?"ns-resize":g._inRange(i,202.5,247.5)?"nesw-resize":g._inRange(i,247.5,292.5)?"ew-resize":g._inRange(i,292.5,337.5)?"nwse-resize":(g.error("Transformer has unknown angle for cursor detection: "+i),"pointer")}(t,i);e.getStage().content&&(e.getStage().content.style.cursor=r),this._cursorChange=!0}),e.on("mouseout",()=>{e.getStage().content&&(e.getStage().content.style.cursor=""),this._cursorChange=!1}),this.add(e)}_createBack(){var t=new at({name:"back",width:0,height:0,draggable:!0,sceneFunc(t){var e=this.getParent(),i=e.padding();t.beginPath(),t.rect(-i,-i,this.width()+2*i,this.height()+2*i),t.moveTo(this.width()/2,-i),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateAnchorOffset()*g._sign(this.height())-i),t.fillStrokeShape(this)},hitFunc:(t,e)=>{if(this.shouldOverdrawWholeArea()){var i=this.padding();t.beginPath(),t.rect(-i,-i,e.width()+2*i,e.height()+2*i),t.fillStrokeShape(e)}}});this.add(t),this._proxyDrag(t),t.on("dragstart",t=>{t.cancelBubble=!0}),t.on("dragmove",t=>{t.cancelBubble=!0}),t.on("dragend",t=>{t.cancelBubble=!0})}_handleMouseDown(t){this._movingAnchorName=t.target.name().split(" ")[0];var e=this._getNodeRect(),i=e.width,r=e.height,a=Math.sqrt(Math.pow(i,2)+Math.pow(r,2));this.sin=Math.abs(r/a),this.cos=Math.abs(i/a),"undefined"!=typeof window&&(window.addEventListener("mousemove",this._handleMouseMove),window.addEventListener("touchmove",this._handleMouseMove),window.addEventListener("mouseup",this._handleMouseUp,!0),window.addEventListener("touchend",this._handleMouseUp,!0)),this._transforming=!0;var n=t.target.getAbsolutePosition(),s=t.target.getStage().getPointerPosition();this._anchorDragOffset={x:s.x-n.x,y:s.y-n.y},this._fire("transformstart",{evt:t,target:this.getNode()}),this._nodes.forEach(e=>{e._fire("transformstart",{evt:t,target:e})})}_handleMouseMove(t){var e,i,r,n=this.findOne("."+this._movingAnchorName),s=n.getStage();s.setPointersPositions(t);const o=s.getPointerPosition();var h={x:o.x-this._anchorDragOffset.x,y:o.y-this._anchorDragOffset.y};const l=n.getAbsolutePosition();n.setAbsolutePosition(h);const d=n.getAbsolutePosition();if(l.x!==d.x||l.y!==d.y)if("rotater"!==this._movingAnchorName){var c=this.keepRatio()||t.shiftKey,g=this.centeredScaling()||t.altKey;if("top-left"===this._movingAnchorName){if(c){var u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-right").x(),y:this.findOne(".bottom-right").y()};r=Math.sqrt(Math.pow(u.x-n.x(),2)+Math.pow(u.y-n.y(),2));var f=this.findOne(".top-left").x()>u.x?-1:1,p=this.findOne(".top-left").y()>u.y?-1:1;e=r*this.cos*f,i=r*this.sin*p,this.findOne(".top-left").x(u.x-e),this.findOne(".top-left").y(u.y-i)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(n.y());else if("top-right"===this._movingAnchorName){if(c){u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-left").x(),y:this.findOne(".bottom-left").y()};r=Math.sqrt(Math.pow(n.x()-u.x,2)+Math.pow(u.y-n.y(),2));f=this.findOne(".top-right").x()<u.x?-1:1,p=this.findOne(".top-right").y()>u.y?-1:1;e=r*this.cos*f,i=r*this.sin*p,this.findOne(".top-right").x(u.x+e),this.findOne(".top-right").y(u.y-i)}var v=n.position();this.findOne(".top-left").y(v.y),this.findOne(".bottom-right").x(v.x)}else if("middle-left"===this._movingAnchorName)this.findOne(".top-left").x(n.x());else if("middle-right"===this._movingAnchorName)this.findOne(".bottom-right").x(n.x());else if("bottom-left"===this._movingAnchorName){if(c){u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-right").x(),y:this.findOne(".top-right").y()};r=Math.sqrt(Math.pow(u.x-n.x(),2)+Math.pow(n.y()-u.y,2));f=u.x<n.x()?-1:1,p=n.y()<u.y?-1:1;e=r*this.cos*f,i=r*this.sin*p,n.x(u.x-e),n.y(u.y+i)}v=n.position(),this.findOne(".top-left").x(v.x),this.findOne(".bottom-right").y(v.y)}else if("bottom-center"===this._movingAnchorName)this.findOne(".bottom-right").y(n.y());else if("bottom-right"===this._movingAnchorName){if(c){u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-left").x(),y:this.findOne(".top-left").y()};r=Math.sqrt(Math.pow(n.x()-u.x,2)+Math.pow(n.y()-u.y,2));f=this.findOne(".bottom-right").x()<u.x?-1:1,p=this.findOne(".bottom-right").y()<u.y?-1:1;e=r*this.cos*f,i=r*this.sin*p,this.findOne(".bottom-right").x(u.x+e),this.findOne(".bottom-right").y(u.y+i)}}else console.error(new Error("Wrong position argument of selection resizer: "+this._movingAnchorName));if(g=this.centeredScaling()||t.altKey){var m=this.findOne(".top-left"),_=this.findOne(".bottom-right"),y=m.x(),x=m.y(),b=this.getWidth()-_.x(),S=this.getHeight()-_.y();_.move({x:-y,y:-x}),m.move({x:b,y:S})}var w=this.findOne(".top-left").getAbsolutePosition();e=w.x,i=w.y;var C=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),P=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodesInto({x:e,y:i,width:C,height:P,rotation:a.getAngle(this.rotation())},t)}else{var k=this._getNodeRect();e=n.x()-k.width/2,i=-n.y()+k.height/2;let r=Math.atan2(-i,e)+Math.PI/2;k.height<0&&(r-=Math.PI);const s=a.getAngle(this.rotation())+r,o=a.getAngle(this.rotationSnapTolerance()),h=Jt(k,function(t,e,i){let r=e;for(let n=0;n<t.length;n++){const s=a.getAngle(t[n]),o=Math.abs(s-e)%(2*Math.PI);Math.min(o,2*Math.PI-o)<i&&(r=s)}return r}(this.rotationSnaps(),s,o)-k.rotation);this._fitNodesInto(h,t)}}_handleMouseUp(t){this._removeEvents(t)}getAbsoluteTransform(){return this.getTransform()}_removeEvents(t){if(this._transforming){this._transforming=!1,"undefined"!=typeof window&&(window.removeEventListener("mousemove",this._handleMouseMove),window.removeEventListener("touchmove",this._handleMouseMove),window.removeEventListener("mouseup",this._handleMouseUp,!0),window.removeEventListener("touchend",this._handleMouseUp,!0));var e=this.getNode();this._fire("transformend",{evt:t,target:e}),e&&this._nodes.forEach(e=>{e._fire("transformend",{evt:t,target:e})}),this._movingAnchorName=null}}_fitNodesInto(t,e){var i=this._getNodeRect();if(g._inRange(t.width,2*-this.padding()-1,1))return void this.update();if(g._inRange(t.height,2*-this.padding()-1,1))return void this.update();var r=new s;if(r.rotate(a.getAngle(this.rotation())),this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("left")>=0){const e=r.point({x:2*-this.padding(),y:0});t.x+=e.x,t.y+=e.y,t.width+=2*this.padding(),this._movingAnchorName=this._movingAnchorName.replace("left","right"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y}else if(this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("right")>=0){const e=r.point({x:2*this.padding(),y:0});this._movingAnchorName=this._movingAnchorName.replace("right","left"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y,t.width+=2*this.padding()}if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("top")>=0){const e=r.point({x:0,y:2*-this.padding()});t.x+=e.x,t.y+=e.y,this._movingAnchorName=this._movingAnchorName.replace("top","bottom"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y,t.height+=2*this.padding()}else if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("bottom")>=0){const e=r.point({x:0,y:2*this.padding()});this._movingAnchorName=this._movingAnchorName.replace("bottom","top"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y,t.height+=2*this.padding()}if(this.boundBoxFunc()){const e=this.boundBoxFunc()(i,t);e?t=e:g.warn("boundBoxFunc returned falsy. You should return new bound rect from it!")}const n=new s;n.translate(i.x,i.y),n.rotate(i.rotation),n.scale(i.width/1e7,i.height/1e7);const o=new s;o.translate(t.x,t.y),o.rotate(t.rotation),o.scale(t.width/1e7,t.height/1e7);const h=o.multiply(n.invert());this._nodes.forEach(t=>{var i;const r=t.getParent().getAbsoluteTransform(),a=t.getTransform().copy();a.translate(t.offsetX(),t.offsetY());const n=new s;n.multiply(r.copy().invert()).multiply(h).multiply(r).multiply(a);const o=n.decompose();t.setAttrs(o),this._fire("transform",{evt:e,target:t}),t._fire("transform",{evt:e,target:t}),null===(i=t.getLayer())||void 0===i||i.batchDraw()}),this.rotation(g._getRotation(t.rotation)),this._resetTransformCache(),this.update(),this.getLayer().batchDraw()}forceUpdate(){this._resetTransformCache(),this.update()}_batchChangeChild(t,e){this.findOne(t).setAttrs(e)}update(){var t,e=this._getNodeRect();this.rotation(g._getRotation(e.rotation));var i=e.width,r=e.height,a=this.enabledAnchors(),n=this.resizeEnabled(),s=this.padding(),o=this.anchorSize();this.find("._anchor").forEach(t=>{t.setAttrs({width:o,height:o,offsetX:o/2,offsetY:o/2,stroke:this.anchorStroke(),strokeWidth:this.anchorStrokeWidth(),fill:this.anchorFill(),cornerRadius:this.anchorCornerRadius()})}),this._batchChangeChild(".top-left",{x:0,y:0,offsetX:o/2+s,offsetY:o/2+s,visible:n&&a.indexOf("top-left")>=0}),this._batchChangeChild(".top-center",{x:i/2,y:0,offsetY:o/2+s,visible:n&&a.indexOf("top-center")>=0}),this._batchChangeChild(".top-right",{x:i,y:0,offsetX:o/2-s,offsetY:o/2+s,visible:n&&a.indexOf("top-right")>=0}),this._batchChangeChild(".middle-left",{x:0,y:r/2,offsetX:o/2+s,visible:n&&a.indexOf("middle-left")>=0}),this._batchChangeChild(".middle-right",{x:i,y:r/2,offsetX:o/2-s,visible:n&&a.indexOf("middle-right")>=0}),this._batchChangeChild(".bottom-left",{x:0,y:r,offsetX:o/2+s,offsetY:o/2-s,visible:n&&a.indexOf("bottom-left")>=0}),this._batchChangeChild(".bottom-center",{x:i/2,y:r,offsetY:o/2-s,visible:n&&a.indexOf("bottom-center")>=0}),this._batchChangeChild(".bottom-right",{x:i,y:r,offsetX:o/2-s,offsetY:o/2-s,visible:n&&a.indexOf("bottom-right")>=0}),this._batchChangeChild(".rotater",{x:i/2,y:-this.rotateAnchorOffset()*g._sign(r)-s,visible:this.rotateEnabled()}),this._batchChangeChild(".back",{width:i,height:r,visible:this.borderEnabled(),stroke:this.borderStroke(),strokeWidth:this.borderStrokeWidth(),dash:this.borderDash(),x:0,y:0}),null===(t=this.getLayer())||void 0===t||t.batchDraw()}isTransforming(){return this._transforming}stopTransform(){if(this._transforming){this._removeEvents();var t=this.findOne("."+this._movingAnchorName);t&&t.stopDrag()}}destroy(){return this.getStage()&&this._cursorChange&&this.getStage().content&&(this.getStage().content.style.cursor=""),lt.prototype.destroy.call(this),this.detach(),this._removeEvents(),this}toObject(){return N.prototype.toObject.call(this)}}Zt.prototype.className="Transformer",n(Zt),b.addGetterSetter(Zt,"enabledAnchors",Vt,(function(t){return t instanceof Array||g.warn("enabledAnchors value should be an array"),t instanceof Array&&t.forEach((function(t){-1===Vt.indexOf(t)&&g.warn("Unknown anchor name: "+t+". Available names are: "+Vt.join(", "))})),t||[]})),b.addGetterSetter(Zt,"resizeEnabled",!0),b.addGetterSetter(Zt,"anchorSize",10,p()),b.addGetterSetter(Zt,"rotateEnabled",!0),b.addGetterSetter(Zt,"rotationSnaps",[]),b.addGetterSetter(Zt,"rotateAnchorOffset",50,p()),b.addGetterSetter(Zt,"rotationSnapTolerance",5,p()),b.addGetterSetter(Zt,"borderEnabled",!0),b.addGetterSetter(Zt,"anchorStroke","rgb(0, 161, 255)"),b.addGetterSetter(Zt,"anchorStrokeWidth",1,p()),b.addGetterSetter(Zt,"anchorFill","white"),b.addGetterSetter(Zt,"anchorCornerRadius",0,p()),b.addGetterSetter(Zt,"borderStroke","rgb(0, 161, 255)"),b.addGetterSetter(Zt,"borderStrokeWidth",1,p()),b.addGetterSetter(Zt,"borderDash"),b.addGetterSetter(Zt,"keepRatio",!0),b.addGetterSetter(Zt,"centeredScaling",!1),b.addGetterSetter(Zt,"ignoreStroke",!1),b.addGetterSetter(Zt,"padding",0,p()),b.addGetterSetter(Zt,"node"),b.addGetterSetter(Zt,"nodes"),b.addGetterSetter(Zt,"boundBoxFunc"),b.addGetterSetter(Zt,"shouldOverdrawWholeArea",!1),b.backCompat(Zt,{lineEnabled:"borderEnabled",rotateHandlerOffset:"rotateAnchorOffset",enabledHandlers:"enabledAnchors"});class $t extends at{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.radius(),0,a.getAngle(this.angle()),this.clockwise()),t.lineTo(0,0),t.closePath(),t.fillStrokeShape(this)}getWidth(){return 2*this.radius()}getHeight(){return 2*this.radius()}setWidth(t){this.radius(t/2)}setHeight(t){this.radius(t/2)}}function te(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}$t.prototype.className="Wedge",$t.prototype._centroid=!0,$t.prototype._attrsAffectingSize=["radius"],n($t),b.addGetterSetter($t,"radius",0,p()),b.addGetterSetter($t,"angle",0,p()),b.addGetterSetter($t,"clockwise",!1),b.backCompat($t,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"});var ee=[512,512,456,512,328,456,335,512,405,328,271,456,388,335,292,512,454,405,364,328,298,271,496,456,420,388,360,335,312,292,273,512,482,454,428,405,383,364,345,328,312,298,284,271,259,496,475,456,437,420,404,388,374,360,347,335,323,312,302,292,282,273,265,512,497,482,468,454,441,428,417,405,394,383,373,364,354,345,337,328,320,312,305,298,291,284,278,271,265,259,507,496,485,475,465,456,446,437,428,420,412,404,396,388,381,374,367,360,354,347,341,335,329,323,318,312,307,302,297,292,287,282,278,273,269,265,261,512,505,497,489,482,475,468,461,454,447,441,435,428,422,417,411,405,399,394,389,383,378,373,368,364,359,354,350,345,341,337,332,328,324,320,316,312,309,305,301,298,294,291,287,284,281,278,274,271,268,265,262,259,257,507,501,496,491,485,480,475,470,465,460,456,451,446,442,437,433,428,424,420,416,412,408,404,400,396,392,388,385,381,377,374,370,367,363,360,357,354,350,347,344,341,338,335,332,329,326,323,320,318,315,312,310,307,304,302,299,297,294,292,289,287,285,282,280,278,275,273,271,269,267,265,263,261,259],ie=[9,11,12,13,13,14,14,15,15,15,15,16,16,16,16,17,17,17,17,17,17,17,18,18,18,18,18,18,18,18,18,19,19,19,19,19,19,19,19,19,19,19,19,19,19,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24];b.addGetterSetter(N,"blurRadius",0,p(),b.afterSetFilter);b.addGetterSetter(N,"brightness",0,p(),b.afterSetFilter);b.addGetterSetter(N,"contrast",0,p(),b.afterSetFilter);function re(t,e,i,r,a){var n=i-e,s=a-r;return 0===n?r+s/2:0===s?r:s*((t-e)/n)+r}b.addGetterSetter(N,"embossStrength",.5,p(),b.afterSetFilter),b.addGetterSetter(N,"embossWhiteLevel",.5,p(),b.afterSetFilter),b.addGetterSetter(N,"embossDirection","top-left",null,b.afterSetFilter),b.addGetterSetter(N,"embossBlend",!1,null,b.afterSetFilter);b.addGetterSetter(N,"enhance",0,p(),b.afterSetFilter);b.addGetterSetter(N,"hue",0,p(),b.afterSetFilter),b.addGetterSetter(N,"saturation",0,p(),b.afterSetFilter),b.addGetterSetter(N,"luminance",0,p(),b.afterSetFilter);b.addGetterSetter(N,"hue",0,p(),b.afterSetFilter),b.addGetterSetter(N,"saturation",0,p(),b.afterSetFilter),b.addGetterSetter(N,"value",0,p(),b.afterSetFilter);function ae(t,e,i){var r=4*(i*t.width+e),a=[];return a.push(t.data[r++],t.data[r++],t.data[r++],t.data[r++]),a}function ne(t,e){return Math.sqrt(Math.pow(t[0]-e[0],2)+Math.pow(t[1]-e[1],2)+Math.pow(t[2]-e[2],2))}b.addGetterSetter(N,"kaleidoscopePower",2,p(),b.afterSetFilter),b.addGetterSetter(N,"kaleidoscopeAngle",0,p(),b.afterSetFilter);b.addGetterSetter(N,"threshold",0,p(),b.afterSetFilter);b.addGetterSetter(N,"noise",.2,p(),b.afterSetFilter);b.addGetterSetter(N,"pixelSize",8,p(),b.afterSetFilter);b.addGetterSetter(N,"levels",.5,p(),b.afterSetFilter);b.addGetterSetter(N,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),b.addGetterSetter(N,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),b.addGetterSetter(N,"blue",0,f,b.afterSetFilter);b.addGetterSetter(N,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),b.addGetterSetter(N,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),b.addGetterSetter(N,"blue",0,f,b.afterSetFilter),b.addGetterSetter(N,"alpha",1,(function(t){return this._filterUpToDate=!1,t>1?1:t<0?0:t}));b.addGetterSetter(N,"threshold",.5,p(),b.afterSetFilter);return _t.Util._assign(_t,{Arc:yt,Arrow:bt,Circle:St,Ellipse:wt,Image:Ct,Label:Tt,Tag:At,Line:xt,Path:Mt,Rect:Gt,RegularPolygon:Et,Ring:Lt,Sprite:Dt,Star:It,Text:Wt,TextPath:Xt,Transformer:Zt,Wedge:$t,Filters:{Blur:function(t){var e=Math.round(this.blurRadius());e>0&&function(t,e){var i,r,a,n,s,o,h,l,d,c,g,u,f,p,v,m,_,y,x,b,S,w,C,P,k=t.data,T=t.width,A=t.height,M=e+e+1,G=T-1,E=A-1,R=e+1,L=R*(R+1)/2,D=new te,I=null,O=D,F=null,B=null,N=ee[e],z=ie[e];for(a=1;a<M;a++)O=O.next=new te,a===R&&(I=O);for(O.next=D,h=o=0,r=0;r<A;r++){for(m=_=y=x=l=d=c=g=0,u=R*(b=k[o]),f=R*(S=k[o+1]),p=R*(w=k[o+2]),v=R*(C=k[o+3]),l+=L*b,d+=L*S,c+=L*w,g+=L*C,O=D,a=0;a<R;a++)O.r=b,O.g=S,O.b=w,O.a=C,O=O.next;for(a=1;a<R;a++)n=o+((G<a?G:a)<<2),l+=(O.r=b=k[n])*(P=R-a),d+=(O.g=S=k[n+1])*P,c+=(O.b=w=k[n+2])*P,g+=(O.a=C=k[n+3])*P,m+=b,_+=S,y+=w,x+=C,O=O.next;for(F=D,B=I,i=0;i<T;i++)k[o+3]=C=g*N>>z,0!==C?(C=255/C,k[o]=(l*N>>z)*C,k[o+1]=(d*N>>z)*C,k[o+2]=(c*N>>z)*C):k[o]=k[o+1]=k[o+2]=0,l-=u,d-=f,c-=p,g-=v,u-=F.r,f-=F.g,p-=F.b,v-=F.a,n=h+((n=i+e+1)<G?n:G)<<2,l+=m+=F.r=k[n],d+=_+=F.g=k[n+1],c+=y+=F.b=k[n+2],g+=x+=F.a=k[n+3],F=F.next,u+=b=B.r,f+=S=B.g,p+=w=B.b,v+=C=B.a,m-=b,_-=S,y-=w,x-=C,B=B.next,o+=4;h+=T}for(i=0;i<T;i++){for(_=y=x=m=d=c=g=l=0,u=R*(b=k[o=i<<2]),f=R*(S=k[o+1]),p=R*(w=k[o+2]),v=R*(C=k[o+3]),l+=L*b,d+=L*S,c+=L*w,g+=L*C,O=D,a=0;a<R;a++)O.r=b,O.g=S,O.b=w,O.a=C,O=O.next;for(s=T,a=1;a<=e;a++)o=s+i<<2,l+=(O.r=b=k[o])*(P=R-a),d+=(O.g=S=k[o+1])*P,c+=(O.b=w=k[o+2])*P,g+=(O.a=C=k[o+3])*P,m+=b,_+=S,y+=w,x+=C,O=O.next,a<E&&(s+=T);for(o=i,F=D,B=I,r=0;r<A;r++)k[(n=o<<2)+3]=C=g*N>>z,C>0?(C=255/C,k[n]=(l*N>>z)*C,k[n+1]=(d*N>>z)*C,k[n+2]=(c*N>>z)*C):k[n]=k[n+1]=k[n+2]=0,l-=u,d-=f,c-=p,g-=v,u-=F.r,f-=F.g,p-=F.b,v-=F.a,n=i+((n=r+R)<E?n:E)*T<<2,l+=m+=F.r=k[n],d+=_+=F.g=k[n+1],c+=y+=F.b=k[n+2],g+=x+=F.a=k[n+3],F=F.next,u+=b=B.r,f+=S=B.g,p+=w=B.b,v+=C=B.a,m-=b,_-=S,y-=w,x-=C,B=B.next,o+=T}}(t,e)},Brighten:function(t){var e,i=255*this.brightness(),r=t.data,a=r.length;for(e=0;e<a;e+=4)r[e]+=i,r[e+1]+=i,r[e+2]+=i},Contrast:function(t){var e,i=Math.pow((this.contrast()+100)/100,2),r=t.data,a=r.length,n=150,s=150,o=150;for(e=0;e<a;e+=4)n=r[e],s=r[e+1],o=r[e+2],n/=255,n-=.5,n*=i,n+=.5,s/=255,s-=.5,s*=i,s+=.5,o/=255,o-=.5,o*=i,o+=.5,n=(n*=255)<0?0:n>255?255:n,s=(s*=255)<0?0:s>255?255:s,o=(o*=255)<0?0:o>255?255:o,r[e]=n,r[e+1]=s,r[e+2]=o},Emboss:function(t){var e=10*this.embossStrength(),i=255*this.embossWhiteLevel(),r=this.embossDirection(),a=this.embossBlend(),n=0,s=0,o=t.data,h=t.width,l=t.height,d=4*h,c=l;switch(r){case"top-left":n=-1,s=-1;break;case"top":n=-1,s=0;break;case"top-right":n=-1,s=1;break;case"right":n=0,s=1;break;case"bottom-right":n=1,s=1;break;case"bottom":n=1,s=0;break;case"bottom-left":n=1,s=-1;break;case"left":n=0,s=-1;break;default:g.error("Unknown emboss direction: "+r)}do{var u=(c-1)*d,f=n;c+f<1&&(f=0),c+f>l&&(f=0);var p=(c-1+f)*h*4,v=h;do{var m=u+4*(v-1),_=s;v+_<1&&(_=0),v+_>h&&(_=0);var y=p+4*(v-1+_),x=o[m]-o[y],b=o[m+1]-o[y+1],S=o[m+2]-o[y+2],w=x,C=w>0?w:-w;if((b>0?b:-b)>C&&(w=b),(S>0?S:-S)>C&&(w=S),w*=e,a){var P=o[m]+w,k=o[m+1]+w,T=o[m+2]+w;o[m]=P>255?255:P<0?0:P,o[m+1]=k>255?255:k<0?0:k,o[m+2]=T>255?255:T<0?0:T}else{var A=i-w;A<0?A=0:A>255&&(A=255),o[m]=o[m+1]=o[m+2]=A}}while(--v)}while(--c)},Enhance:function(t){var e,i,r,a,n=t.data,s=n.length,o=n[0],h=o,l=n[1],d=l,c=n[2],g=c,u=this.enhance();if(0!==u){for(a=0;a<s;a+=4)(e=n[a+0])<o?o=e:e>h&&(h=e),(i=n[a+1])<l?l=i:i>d&&(d=i),(r=n[a+2])<c?c=r:r>g&&(g=r);var f,p,v,m,_,y,x,b,S;for(h===o&&(h=255,o=0),d===l&&(d=255,l=0),g===c&&(g=255,c=0),u>0?(p=h+u*(255-h),v=o-u*(o-0),_=d+u*(255-d),y=l-u*(l-0),b=g+u*(255-g),S=c-u*(c-0)):(p=h+u*(h-(f=.5*(h+o))),v=o+u*(o-f),_=d+u*(d-(m=.5*(d+l))),y=l+u*(l-m),b=g+u*(g-(x=.5*(g+c))),S=c+u*(c-x)),a=0;a<s;a+=4)n[a+0]=re(n[a+0],o,h,v,p),n[a+1]=re(n[a+1],l,d,y,_),n[a+2]=re(n[a+2],c,g,S,b)}},Grayscale:function(t){var e,i,r=t.data,a=r.length;for(e=0;e<a;e+=4)i=.34*r[e]+.5*r[e+1]+.16*r[e+2],r[e]=i,r[e+1]=i,r[e+2]=i},HSL:function(t){var e,i,r,a,n,s=t.data,o=s.length,h=Math.pow(2,this.saturation()),l=Math.abs(this.hue()+360)%360,d=127*this.luminance(),c=1*h*Math.cos(l*Math.PI/180),g=1*h*Math.sin(l*Math.PI/180),u=.299+.701*c+.167*g,f=.587-.587*c+.33*g,p=.114-.114*c-.497*g,v=.299-.299*c-.328*g,m=.587+.413*c+.035*g,_=.114-.114*c+.293*g,y=.299-.3*c+1.25*g,x=.587-.586*c-1.05*g,b=.114+.886*c-.2*g;for(e=0;e<o;e+=4)i=s[e+0],r=s[e+1],a=s[e+2],n=s[e+3],s[e+0]=u*i+f*r+p*a+d,s[e+1]=v*i+m*r+_*a+d,s[e+2]=y*i+x*r+b*a+d,s[e+3]=n},HSV:function(t){var e,i,r,a,n,s=t.data,o=s.length,h=Math.pow(2,this.value()),l=Math.pow(2,this.saturation()),d=Math.abs(this.hue()+360)%360,c=h*l*Math.cos(d*Math.PI/180),g=h*l*Math.sin(d*Math.PI/180),u=.299*h+.701*c+.167*g,f=.587*h-.587*c+.33*g,p=.114*h-.114*c-.497*g,v=.299*h-.299*c-.328*g,m=.587*h+.413*c+.035*g,_=.114*h-.114*c+.293*g,y=.299*h-.3*c+1.25*g,x=.587*h-.586*c-1.05*g,b=.114*h+.886*c-.2*g;for(e=0;e<o;e+=4)i=s[e+0],r=s[e+1],a=s[e+2],n=s[e+3],s[e+0]=u*i+f*r+p*a,s[e+1]=v*i+m*r+_*a,s[e+2]=y*i+x*r+b*a,s[e+3]=n},Invert:function(t){var e,i=t.data,r=i.length;for(e=0;e<r;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[e+2]},Kaleidoscope:function(t){var e,i,r,a,n,s,o,h,l,d=t.width,c=t.height,u=Math.round(this.kaleidoscopePower()),f=Math.round(this.kaleidoscopeAngle()),p=Math.floor(d*(f%360)/360);if(!(u<1)){var v=g.createCanvasElement();v.width=d,v.height=c;var m=v.getContext("2d").getImageData(0,0,d,c);!function(t,e,i){var r,a,n,s,o=t.data,h=e.data,l=t.width,d=t.height,c=i.polarCenterX||l/2,g=i.polarCenterY||d/2,u=0,f=0,p=0,v=0,m=Math.sqrt(c*c+g*g);a=l-c,n=d-g,m=(s=Math.sqrt(a*a+n*n))>m?s:m;var _,y,x,b,S=d,w=l,C=360/w*Math.PI/180;for(y=0;y<w;y+=1)for(x=Math.sin(y*C),b=Math.cos(y*C),_=0;_<S;_+=1)a=Math.floor(c+m*_/S*b),u=o[(r=4*((n=Math.floor(g+m*_/S*x))*l+a))+0],f=o[r+1],p=o[r+2],v=o[r+3],h[(r=4*(y+_*l))+0]=u,h[r+1]=f,h[r+2]=p,h[r+3]=v}(t,m,{polarCenterX:d/2,polarCenterY:c/2});for(var _=d/Math.pow(2,u);_<=8;)_*=2,u-=1;var y=_=Math.ceil(_),x=0,b=y,S=1;for(p+_>d&&(x=y,b=0,S=-1),i=0;i<c;i+=1)for(e=x;e!==b;e+=S)h=4*(d*i+Math.round(e+p)%d),a=m.data[h+0],n=m.data[h+1],s=m.data[h+2],o=m.data[h+3],l=4*(d*i+e),m.data[l+0]=a,m.data[l+1]=n,m.data[l+2]=s,m.data[l+3]=o;for(i=0;i<c;i+=1)for(y=Math.floor(_),r=0;r<u;r+=1){for(e=0;e<y+1;e+=1)h=4*(d*i+e),a=m.data[h+0],n=m.data[h+1],s=m.data[h+2],o=m.data[h+3],l=4*(d*i+2*y-e-1),m.data[l+0]=a,m.data[l+1]=n,m.data[l+2]=s,m.data[l+3]=o;y*=2}!function(t,e,i){var r,a,n,s,o,h,l=t.data,d=e.data,c=t.width,g=t.height,u=i.polarCenterX||c/2,f=i.polarCenterY||g/2,p=0,v=0,m=0,_=0,y=Math.sqrt(u*u+f*f);a=c-u,n=g-f,y=(h=Math.sqrt(a*a+n*n))>y?h:y;var x,b,S,w=g,C=c,P=i.polarRotation||0;for(a=0;a<c;a+=1)for(n=0;n<g;n+=1)s=a-u,o=n-f,x=Math.sqrt(s*s+o*o)*w/y,b=(b=(180*Math.atan2(o,s)/Math.PI+360+P)%360)*C/360,S=Math.floor(b),p=l[(r=4*(Math.floor(x)*c+S))+0],v=l[r+1],m=l[r+2],_=l[r+3],d[(r=4*(n*c+a))+0]=p,d[r+1]=v,d[r+2]=m,d[r+3]=_}(m,t,{polarRotation:0})}},Mask:function(t){var e=function(t,e){var i=ae(t,0,0),r=ae(t,t.width-1,0),a=ae(t,0,t.height-1),n=ae(t,t.width-1,t.height-1),s=e||10;if(ne(i,r)<s&&ne(r,n)<s&&ne(n,a)<s&&ne(a,i)<s){for(var o=function(t){for(var e=[0,0,0],i=0;i<t.length;i++)e[0]+=t[i][0],e[1]+=t[i][1],e[2]+=t[i][2];return e[0]/=t.length,e[1]/=t.length,e[2]/=t.length,e}([r,i,n,a]),h=[],l=0;l<t.width*t.height;l++){var d=ne(o,[t.data[4*l],t.data[4*l+1],t.data[4*l+2]]);h[l]=d<s?0:255}return h}}(t,this.threshold());return e&&function(t,e){for(var i=0;i<t.width*t.height;i++)t.data[4*i+3]=e[i]}(t,e=function(t,e,i){for(var r=[1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9],a=Math.round(Math.sqrt(r.length)),n=Math.floor(a/2),s=[],o=0;o<i;o++)for(var h=0;h<e;h++){for(var l=o*e+h,d=0,c=0;c<a;c++)for(var g=0;g<a;g++){var u=o+c-n,f=h+g-n;if(u>=0&&u<i&&f>=0&&f<e){var p=r[c*a+g];d+=t[u*e+f]*p}}s[l]=d}return s}(e=function(t,e,i){for(var r=[1,1,1,1,1,1,1,1,1],a=Math.round(Math.sqrt(r.length)),n=Math.floor(a/2),s=[],o=0;o<i;o++)for(var h=0;h<e;h++){for(var l=o*e+h,d=0,c=0;c<a;c++)for(var g=0;g<a;g++){var u=o+c-n,f=h+g-n;if(u>=0&&u<i&&f>=0&&f<e){var p=r[c*a+g];d+=t[u*e+f]*p}}s[l]=d>=1020?255:0}return s}(e=function(t,e,i){for(var r=[1,1,1,1,0,1,1,1,1],a=Math.round(Math.sqrt(r.length)),n=Math.floor(a/2),s=[],o=0;o<i;o++)for(var h=0;h<e;h++){for(var l=o*e+h,d=0,c=0;c<a;c++)for(var g=0;g<a;g++){var u=o+c-n,f=h+g-n;if(u>=0&&u<i&&f>=0&&f<e){var p=r[c*a+g];d+=t[u*e+f]*p}}s[l]=2040===d?255:0}return s}(e,t.width,t.height),t.width,t.height),t.width,t.height)),t},Noise:function(t){var e,i=255*this.noise(),r=t.data,a=r.length,n=i/2;for(e=0;e<a;e+=4)r[e+0]+=n-2*n*Math.random(),r[e+1]+=n-2*n*Math.random(),r[e+2]+=n-2*n*Math.random()},Pixelate:function(t){var e,i,r,a,n,s,o,h,l,d,c,u,f,p,v=Math.ceil(this.pixelSize()),m=t.width,_=t.height,y=Math.ceil(m/v),x=Math.ceil(_/v),b=t.data;if(v<=0)g.error("pixelSize value can not be <= 0");else for(u=0;u<y;u+=1)for(f=0;f<x;f+=1){for(a=0,n=0,s=0,o=0,l=(h=u*v)+v,c=(d=f*v)+v,p=0,e=h;e<l;e+=1)if(!(e>=m))for(i=d;i<c;i+=1)i>=_||(a+=b[(r=4*(m*i+e))+0],n+=b[r+1],s+=b[r+2],o+=b[r+3],p+=1);for(a/=p,n/=p,s/=p,o/=p,e=h;e<l;e+=1)if(!(e>=m))for(i=d;i<c;i+=1)i>=_||(b[(r=4*(m*i+e))+0]=a,b[r+1]=n,b[r+2]=s,b[r+3]=o)}},Posterize:function(t){var e,i=Math.round(254*this.levels())+1,r=t.data,a=r.length,n=255/i;for(e=0;e<a;e+=1)r[e]=Math.floor(r[e]/n)*n},RGB:function(t){var e,i,r=t.data,a=r.length,n=this.red(),s=this.green(),o=this.blue();for(e=0;e<a;e+=4)i=(.34*r[e]+.5*r[e+1]+.16*r[e+2])/255,r[e]=i*n,r[e+1]=i*s,r[e+2]=i*o,r[e+3]=r[e+3]},RGBA:function(t){var e,i,r=t.data,a=r.length,n=this.red(),s=this.green(),o=this.blue(),h=this.alpha();for(e=0;e<a;e+=4)i=1-h,r[e]=n*h+r[e]*i,r[e+1]=s*h+r[e+1]*i,r[e+2]=o*h+r[e+2]*i},Sepia:function(t){var e,i,r,a,n=t.data,s=n.length;for(e=0;e<s;e+=4)i=n[e+0],r=n[e+1],a=n[e+2],n[e+0]=Math.min(255,.393*i+.769*r+.189*a),n[e+1]=Math.min(255,.349*i+.686*r+.168*a),n[e+2]=Math.min(255,.272*i+.534*r+.131*a)},Solarize:function(t){var e=t.data,i=t.width,r=4*i,a=t.height;do{var n=(a-1)*r,s=i;do{var o=n+4*(s-1),h=e[o],l=e[o+1],d=e[o+2];h>127&&(h=255-h),l>127&&(l=255-l),d>127&&(d=255-d),e[o]=h,e[o+1]=l,e[o+2]=d}while(--s)}while(--a)},Threshold:function(t){var e,i=255*this.threshold(),r=t.data,a=r.length;for(e=0;e<a;e+=1)r[e]=r[e]<i?0:255}}})}));