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this}off(e,t){let n=(e||``).split(jr),r=n.length,i,a,o,s,c,l;if(this._cache&&this._cache.delete(hr),!e)for(a in this.eventListeners)this._off(a);for(i=0;i<r;i++)if(o=n[i],s=o.split(`.`),c=s[0],l=s[1],c)this.eventListeners[c]&&this._off(c,l,t);else for(a in this.eventListeners)this._off(a,l,t);return this}dispatchEvent(e){let t={target:this,type:e.type,evt:e};return this.fire(e.type,t),this}addEventListener(e,t){return this.on(e,function(e){t.call(this,e.evt)}),this}removeEventListener(e){return this.off(e),this}_delegate(e,t,n){let r=this;return this.on(e,function(e){let i=e.target.findAncestors(t,!0,r);for(let t=0;t<i.length;t++)e=I.cloneObject(e),e.currentTarget=i[t],n.call(i[t],e)}),this}remove(){return 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F,a=this.offset();return i.m=r.slice(),i.translate(a.x,a.y),i.getTranslation()}setAbsolutePosition(e){let{x:t,y:n,...r}=this._clearTransform();this.attrs.x=t,this.attrs.y=n,this._clearCache(Nr);let i=this._getAbsoluteTransform().copy();return i.invert(),i.translate(e.x,e.y),e={x:this.attrs.x+i.getTranslation().x,y:this.attrs.y+i.getTranslation().y},this._setTransform(r),this.setPosition({x:e.x,y:e.y}),this._clearCache(Nr),this._clearSelfAndDescendantCache(gr),this}_setTransform(e){let t;for(t in e)this.attrs[t]=e[t]}_clearTransform(){let e={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,e}move(e){let t=e.x,n=e.y,r=this.x(),i=this.y();return t!==void 0&&(r+=t),n!==void 0&&(i+=n),this.setPosition({x:r,y:i}),this}_eachAncestorReverse(e,t){let n=[],r=this.getParent(),i,a;if(!(t&&t._id===this._id)){for(n.unshift(this);r&&(!t||r._id!==t._id);)n.unshift(r),r=r.parent;for(i=n.length,a=0;a<i;a++)e(n[a])}}rotate(e){return this.rotation(this.rotation()+e),this}moveToTop(){if(!this.parent)return I.warn(`Node has no parent. moveToTop function is ignored.`),!1;let e=this.index;return e<this.parent.getChildren().length-1?(this.parent.children.splice(e,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0):!1}moveUp(){if(!this.parent)return I.warn(`Node has no parent. moveUp function is ignored.`),!1;let e=this.index;return e<this.parent.getChildren().length-1?(this.parent.children.splice(e,1),this.parent.children.splice(e+1,0,this),this.parent._setChildrenIndices(),!0):!1}moveDown(){if(!this.parent)return I.warn(`Node has no parent. moveDown function is ignored.`),!1;let e=this.index;return e>0?(this.parent.children.splice(e,1),this.parent.children.splice(e-1,0,this),this.parent._setChildrenIndices(),!0):!1}moveToBottom(){if(!this.parent)return I.warn(`Node has no parent. moveToBottom function is ignored.`),!1;let e=this.index;return e>0?(this.parent.children.splice(e,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0):!1}setZIndex(e){if(!this.parent)return I.warn(`Node has no parent. zIndex parameter is ignored.`),this;(e<0||e>=this.parent.children.length)&&I.warn(`Unexpected value `+e+` for zIndex property. zIndex is just index of a node in children of its parent. Expected value is from 0 to `+(this.parent.children.length-1)+`.`);let t=this.index;return this.parent.children.splice(t,1),this.parent.children.splice(e,0,this),this.parent._setChildrenIndices(),this}getAbsoluteOpacity(){return this._getCache(mr,this._getAbsoluteOpacity)}_getAbsoluteOpacity(){let e=this.opacity(),t=this.getParent();return t&&!t._isUnderCache&&(e*=t.getAbsoluteOpacity()),e}moveTo(e){return this.getParent()!==e&&(this._remove(),e.add(this)),this}toObject(){let e=this.getAttrs(),t,n,r,i,a,o={attrs:{},className:this.getClassName()};for(t in e)n=e[t],a=I.isObject(n)&&!I._isPlainObject(n)&&!I._isArray(n),!a&&(r=typeof this[t]==`function`&&this[t],delete e[t],i=r?r.call(this):null,e[t]=n,i!==n&&(o.attrs[t]=n));return I._prepareToStringify(o)}toJSON(){return JSON.stringify(this.toObject())}getParent(){return this.parent}findAncestors(e,t,n){let r=[];t&&this._isMatch(e)&&r.push(this);let i=this.parent;for(;i;){if(i===n)return r;i._isMatch(e)&&r.push(i),i=i.parent}return r}isAncestorOf(e){return!1}findAncestor(e,t,n){return this.findAncestors(e,t,n)[0]}_isMatch(e){if(!e)return!1;if(typeof e==`function`)return e(this);let t=e.replace(/ /g,``).split(`,`),n=t.length,r,i;for(r=0;r<n;r++)if(i=t[r],I.isValidSelector(i)||(I.warn(`Selector "`+i+`" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".`),I.warn(`If you have a custom shape with such className, please change it to start with upper letter like "Triangle".`),I.warn(`Konva is awesome, right?`)),i.charAt(0)===`#`){if(this.id()===i.slice(1))return!0}else if(i.charAt(0)===`.`){if(this.hasName(i.slice(1)))return!0}else if(this.className===i||this.nodeType===i)return!0;return!1}getLayer(){let e=this.getParent();return e?e.getLayer():null}getStage(){return this._getCache(Mr,this._getStage)}_getStage(){let e=this.getParent();return e?e.getStage():null}fire(e,t={},n){return t.target=t.target||this,n?this._fireAndBubble(e,t):this._fire(e,t),this}getAbsoluteTransform(e){return e?this._getAbsoluteTransform(e):this._getCache(gr,this._getAbsoluteTransform)}_getAbsoluteTransform(e){let t;if(e)return t=new F,this._eachAncestorReverse(function(e){let n=e.transformsEnabled();n===`all`?t.multiply(e.getTransform()):n===`position`&&t.translate(e.x()-e.offsetX(),e.y()-e.offsetY())},e),t;{t=this._cache.get(gr)||new F,this.parent?this.parent.getAbsoluteTransform().copyInto(t):t.reset();let e=this.transformsEnabled();if(e===`all`)t.multiply(this.getTransform());else if(e===`position`){let e=this.attrs.x||0,n=this.attrs.y||0,r=this.attrs.offsetX||0,i=this.attrs.offsetY||0;t.translate(e-r,n-i)}return t.dirty=!1,t}}getAbsoluteScale(e){let t=this;for(;t;)t._isUnderCache&&(e=t),t=t.getParent();let n=this.getAbsoluteTransform(e).decompose();return{x:n.scaleX,y:n.scaleY}}getAbsoluteRotation(){return this.getAbsoluteTransform().decompose().rotation}getTransform(){return this._getCache(Nr,this._getTransform)}_getTransform(){let e=this._cache.get(Nr)||new F;e.reset();let t=this.x(),n=this.y(),r=N.getAngle(this.rotation()),i=this.attrs.scaleX??1,a=this.attrs.scaleY??1,o=this.attrs.skewX||0,s=this.attrs.skewY||0,c=this.attrs.offsetX||0,l=this.attrs.offsetY||0;return(t!==0||n!==0)&&e.translate(t,n),r!==0&&e.rotate(r),(o!==0||s!==0)&&e.skew(o,s),(i!==1||a!==1)&&e.scale(i,a),(c!==0||l!==0)&&e.translate(-1*c,-1*l),e.dirty=!1,e}clone(e){let t=I.cloneObject(this.attrs),n,r,i,a,o;for(n in e)t[n]=e[n];let s=new this.constructor(t);for(n in this.eventListeners)for(r=this.eventListeners[n],i=r.length,a=0;a<i;a++)o=r[a],o.name.indexOf(xr)<0&&(s.eventListeners[n]||(s.eventListeners[n]=[]),s.eventListeners[n].push(o));return s}_toKonvaCanvas(e){e||={};let t=this.getClientRect(),n=this.getStage(),r=e.x===void 0?Math.floor(t.x):e.x,i=e.y===void 0?Math.floor(t.y):e.y,a=e.pixelRatio||1,o=new er({width:e.width||Math.ceil(t.width)||(n?n.width():0),height:e.height||Math.ceil(t.height)||(n?n.height():0),pixelRatio:a}),s=o.getContext(),c=new 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Gr=`Stage`,Kr=`string`,qr=`px`,Jr=`mouseout`,Yr=`mouseleave`,Xr=`mouseover`,Zr=`mouseenter`,Qr=`mousemove`,$r=`mousedown`,ei=`mouseup`,ti=`pointermove`,ni=`pointerdown`,ri=`pointerup`,ii=`pointercancel`,ai=`lostpointercapture`,oi=`pointerout`,si=`pointerleave`,ci=`pointerover`,li=`pointerenter`,ui=`contextmenu`,di=`touchstart`,fi=`touchend`,pi=`touchmove`,mi=`touchcancel`,hi=`wheel`,gi=5,_i=[[Zr,`_pointerenter`],[$r,`_pointerdown`],[Qr,`_pointermove`],[ei,`_pointerup`],[Yr,`_pointerleave`],[di,`_pointerdown`],[pi,`_pointermove`],[fi,`_pointerup`],[mi,`_pointercancel`],[Xr,`_pointerover`],[hi,`_wheel`],[ui,`_contextmenu`],[ni,`_pointerdown`],[ti,`_pointermove`],[ri,`_pointerup`],[ii,`_pointercancel`],[si,`_pointerleave`],[ai,`_lostpointercapture`]],vi={mouse:{[oi]:Jr,[si]:Yr,[ci]:Xr,[li]:Zr,[ti]:Qr,[ni]:$r,[ri]:ei,[ii]:`mousecancel`,pointerclick:`click`,pointerdblclick:`dblclick`},touch:{[oi]:`touchout`,[si]:`touchleave`,[ci]:`touchover`,[li]:`touchenter`,[ti]:pi,[ni]:di,[ri]:fi,[ii]:mi,pointerclick:`tap`,pointerdblclick:`dbltap`},pointer:{[oi]:oi,[si]:si,[ci]:ci,[li]:li,[ti]:ti,[ni]:ni,[ri]:ri,[ii]:ii,pointerclick:`pointerclick`,pointerdblclick:`pointerdblclick`}},yi=e=>e.indexOf(`pointer`)>=0?`pointer`:e.indexOf(`touch`)>=0?`touch`:`mouse`,bi=e=>{let 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s=Br(r.id)||this.getIntersection(r),c=r.id,l={evt:e,pointerId:c},u=o!==s;if(u&&o&&(o._fireAndBubble(t.pointerout,{...l},s),o._fireAndBubble(t.pointerleave,{...l},s)),s){if(i[s._id])return;i[s._id]=!0}s&&s.isListening()?(a=!0,u&&(s._fireAndBubble(t.pointerover,{...l},o),s._fireAndBubble(t.pointerenter,{...l},o),this[n+`targetShape`]=s),s._fireAndBubble(t.pointermove,{...l})):o&&(this._fire(t.pointerover,{evt:e,target:this,currentTarget:this,pointerId:c}),this[n+`targetShape`]=null)}),a||this._fire(t.pointermove,{evt:e,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id})}_pointerup(e){let t=bi(e.type),n=yi(e.type);if(!t)return;this.setPointersPositions(e);let r=this[n+`ClickStartShape`],i=this[n+`ClickEndShape`],a={},o=!1;this._changedPointerPositions.forEach(s=>{let c=Br(s.id)||this.getIntersection(s);if(c){if(c.releaseCapture(s.id),a[c._id])return;a[c._id]=!0}let 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t=this.getIntersection(this.getPointerPosition());t&&t.isListening()?t._fireAndBubble(ui,{evt:e}):this._fire(ui,{evt:e,target:this,currentTarget:this})}_wheel(e){this.setPointersPositions(e);let t=this.getIntersection(this.getPointerPosition());t&&t.isListening()?t._fireAndBubble(hi,{evt:e}):this._fire(hi,{evt:e,target:this,currentTarget:this})}_pointercancel(e){this.setPointersPositions(e);let t=Br(e.pointerId)||this.getIntersection(this.getPointerPosition());t&&t._fireAndBubble(ri,Vr(e)),Wr(e.pointerId)}_lostpointercapture(e){Wr(e.pointerId)}setPointersPositions(e){let t=this._getContentPosition(),n=null,r=null;e||=window.event,e.touches===void 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t=e.children;e.content&&(e.content.removeChild(this.getNativeCanvasElement()),e.content.insertBefore(this.getNativeCanvasElement(),t[this.index+1].getCanvas()._canvas))}return!0}return!1}moveToBottom(){if(B.prototype.moveToBottom.call(this)){let e=this.getStage();if(e){let t=e.children;e.content&&(e.content.removeChild(this.getNativeCanvasElement()),e.content.insertBefore(this.getNativeCanvasElement(),t[1].getCanvas()._canvas))}return!0}return!1}getLayer(){return this}remove(){let e=this.getNativeCanvasElement();return B.prototype.remove.call(this),e&&e.parentNode&&I._isInDocument(e)&&e.parentNode.removeChild(e),this}getStage(){return this.parent}setSize({width:e,height:t}){return this.canvas.setSize(e,t),this.hitCanvas.setSize(e,t),this._setSmoothEnabled(),this}_validateAdd(e){let t=e.getType();t!==`Group`&&t!==`Shape`&&I.throw(`You may only add groups and shapes to a layer.`)}_toKonvaCanvas(e){return e={...e},e.width=e.width||this.getWidth(),e.height=e.height||this.getHeight(),e.x=e.x===void 0?this.x():e.x,e.y=e.y===void 0?this.y():e.y,B.prototype._toKonvaCanvas.call(this,e)}_checkVisibility(){this.visible()?this.canvas._canvas.style.display=`block`:this.canvas._canvas.style.display=`none`}_setSmoothEnabled(){this.getContext()._context.imageSmoothingEnabled=this.imageSmoothingEnabled()}getWidth(){if(this.parent)return this.parent.width()}setWidth(){I.warn(`Can not change width of layer. Use "stage.width(value)" function instead.`)}getHeight(){if(this.parent)return this.parent.height()}setHeight(){I.warn(`Can not change height of layer. 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ta.indexOf(t)===-1?a=n-d:(d=I.colorToRGBA(d),l=I.colorToRGBA(n),a={r:l.r-d.r,g:l.g-d.g,b:l.b-d.b,a:l.a-d.a});e.attrs[i][this._id][t]={start:d,diff:a,end:n,trueEnd:s,trueStart:c},e.tweens[i][t]=this._id}_tweenFunc(t){let n=this.node,r=e.attrs[n._id][this._id],i,a,o,s,c,l,u,d;for(i in r){if(a=r[i],o=a.start,s=a.diff,d=a.end,I._isArray(o))if(c=[],u=Math.max(o.length,d.length),i.indexOf(`fill`)===0)for(l=0;l<u;l++)l%2==0?c.push((o[l]||0)+s[l]*t):c.push(`rgba(`+Math.round(o[l].r+s[l].r*t)+`,`+Math.round(o[l].g+s[l].g*t)+`,`+Math.round(o[l].b+s[l].b*t)+`,`+(o[l].a+s[l].a*t)+`)`);else for(l=0;l<u;l++)c.push((o[l]||0)+s[l]*t);else c=ta.indexOf(i)===-1?o+s*t:`rgba(`+Math.round(o.r+s.r*t)+`,`+Math.round(o.g+s.g*t)+`,`+Math.round(o.b+s.b*t)+`,`+(o.a+s.a*t)+`)`;n.setAttr(i,c)}}_addListeners(){this.tween.onPlay=()=>{this.anim.start()},this.tween.onReverse=()=>{this.anim.start()},this.tween.onPause=()=>{this.anim.stop()},this.tween.onFinish=()=>{let t=this.node,n=e.attrs[t._id][this._id];n.points&&n.points.trueEnd&&t.setAttr(`points`,n.points.trueEnd),this.onFinish&&this.onFinish.call(this)},this.tween.onReset=()=>{let t=this.node,n=e.attrs[t._id][this._id];n.points&&n.points.trueStart&&t.points(n.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(e){return this.tween.seek(e*1e3),this}pause(){return this.tween.pause(),this}finish(){return this.tween.finish(),this}destroy(){let t=this.node._id,n=this._id,r=e.tweens[t];this.pause(),this.anim&&this.anim.stop();for(let n in r)delete e.tweens[t][n];delete e.attrs[t][n],e.tweens[t]&&(Object.keys(e.tweens[t]).length===0&&delete e.tweens[t],Object.keys(e.attrs[t]).length===0&&delete e.attrs[t])}};ia.attrs={},ia.tweens={},B.prototype.to=function(e){let t=e.onFinish;e.node=this,e.onFinish=function(){this.destroy(),t&&t()},new ia(e).play()};var aa={BackEaseIn(e,t,n,r){let i=1.70158;return n*(e/=r)*e*((i+1)*e-i)+t},BackEaseOut(e,t,n,r){let i=1.70158;return n*((e=e/r-1)*e*((i+1)*e+i)+1)+t},BackEaseInOut(e,t,n,r){let i=1.70158;return(e/=r/2)<1?n/2*(e*e*(((i*=1.525)+1)*e-i))+t:n/2*((e-=2)*e*(((i*=1.525)+1)*e+i)+2)+t},ElasticEaseIn(e,t,n,r,i,a){let o=0;return e===0?t:(e/=r)===1?t+n:(a||=r*.3,!i||i<Math.abs(n)?(i=n,o=a/4):o=a/(2*Math.PI)*Math.asin(n/i),-(i*2**(10*--e)*Math.sin((e*r-o)*(2*Math.PI)/a))+t)},ElasticEaseOut(e,t,n,r,i,a){let o=0;return e===0?t:(e/=r)===1?t+n:(a||=r*.3,!i||i<Math.abs(n)?(i=n,o=a/4):o=a/(2*Math.PI)*Math.asin(n/i),i*2**(-10*e)*Math.sin((e*r-o)*(2*Math.PI)/a)+n+t)},ElasticEaseInOut(e,t,n,r,i,a){let o=0;return e===0?t:(e/=r/2)==2?t+n:(a||=.3*1.5*r,!i||i<Math.abs(n)?(i=n,o=a/4):o=a/(2*Math.PI)*Math.asin(n/i),e<1?-.5*(i*2**(10*--e)*Math.sin((e*r-o)*(2*Math.PI)/a))+t:i*2**(-10*--e)*Math.sin((e*r-o)*(2*Math.PI)/a)*.5+n+t)},BounceEaseOut(e,t,n,r){return(e/=r)<1/2.75?n*(7.5625*e*e)+t:e<2/2.75?n*(7.5625*(e-=1.5/2.75)*e+.75)+t:e<2.5/2.75?n*(7.5625*(e-=2.25/2.75)*e+.9375)+t:n*(7.5625*(e-=2.625/2.75)*e+.984375)+t},BounceEaseIn(e,t,n,r){return n-aa.BounceEaseOut(r-e,0,n,r)+t},BounceEaseInOut(e,t,n,r){return e<r/2?aa.BounceEaseIn(e*2,0,n,r)*.5+t:aa.BounceEaseOut(e*2-r,0,n,r)*.5+n*.5+t},EaseIn(e,t,n,r){return n*(e/=r)*e+t},EaseOut(e,t,n,r){return-n*(e/=r)*(e-2)+t},EaseInOut(e,t,n,r){return(e/=r/2)<1?n/2*e*e+t:-n/2*(--e*(e-2)-1)+t},StrongEaseIn(e,t,n,r){return n*(e/=r)*e*e*e*e+t},StrongEaseOut(e,t,n,r){return n*((e=e/r-1)*e*e*e*e+1)+t},StrongEaseInOut(e,t,n,r){return(e/=r/2)<1?n/2*e*e*e*e*e+t:n/2*((e-=2)*e*e*e*e+2)+t},Linear(e,t,n,r){return n*e/r+t}},oa=I._assign(N,{Util:I,Transform:F,Node:B,Container:H,Stage:wi,stages:Ci,Layer:Ki,FastLayer:qi,Group:Ji,DD:L,Shape:U,shapes:Mi,Animation:Xi,Tween:ia,Easings:aa,Context:Jn,Canvas:$n}),sa=class extends U{_sceneFunc(e){let t=N.getAngle(this.angle()),n=this.clockwise();e.beginPath(),e.arc(0,0,this.outerRadius(),0,t,n),e.arc(0,0,this.innerRadius(),t,0,!n),e.closePath(),e.fillStrokeShape(this)}getWidth(){return this.outerRadius()*2}getHeight(){return this.outerRadius()*2}setWidth(e){this.outerRadius(e/2)}setHeight(e){this.outerRadius(e/2)}getSelfRect(){let e=this.innerRadius(),t=this.outerRadius(),n=this.clockwise(),r=N.getAngle(n?360-this.angle():this.angle()),i=Math.cos(Math.min(r,Math.PI)),a=Math.sin(Math.min(Math.max(Math.PI,r),3*Math.PI/2)),o=Math.sin(Math.min(r,Math.PI/2)),s=i*(i>0?e:t),c=1*t,l=a*(a>0?e:t),u=o*(o>0?t:e);return{x:s,y:n?-1*u:l,width:c-s,height:u-l}}};sa.prototype._centroid=!0,sa.prototype.className=`Arc`,sa.prototype._attrsAffectingSize=[`innerRadius`,`outerRadius`,`angle`,`clockwise`],P(sa),z.addGetterSetter(sa,`innerRadius`,0,R()),z.addGetterSetter(sa,`outerRadius`,0,R()),z.addGetterSetter(sa,`angle`,0,R()),z.addGetterSetter(sa,`clockwise`,!1,lr());function ca(e,t,n,r,i,a,o){let s=Math.sqrt((n-e)**2+(r-t)**2),c=Math.sqrt((i-n)**2+(a-r)**2),l=o*s/(s+c),u=o*c/(s+c);return[n-l*(i-e),r-l*(a-t),n+u*(i-e),r+u*(a-t)]}function la(e,t){let n=e.length,r=[];for(let i=2;i<n-2;i+=2){let n=ca(e[i-2],e[i-1],e[i],e[i+1],e[i+2],e[i+3],t);isNaN(n[0])||(r.push(n[0]),r.push(n[1]),r.push(e[i]),r.push(e[i+1]),r.push(n[2]),r.push(n[3]))}return r}function ua(e){let t=[[e[0],e[2],e[4],e[6]],[e[1],e[3],e[5],e[7]]],n=[];for(let e of t){let t=-3*e[0]+9*e[1]-9*e[2]+3*e[3];if(t!==0){let r=6*e[0]-12*e[1]+6*e[2],i=-3*e[0]+3*e[1],a=r*r-4*t*i;if(a>=0){let e=Math.sqrt(a);n.push((-r+e)/(2*t)),n.push((-r-e)/(2*t))}}}return n.filter(e=>e>0&&e<1).flatMap(e=>t.map(t=>{let n=1-e;return n*n*n*t[0]+3*n*n*e*t[1]+3*n*e*e*t[2]+e*e*e*t[3]}))}var da=class extends U{constructor(e){super(e),this.on(`pointsChange.konva tensionChange.konva closedChange.konva bezierChange.konva`,function(){this._clearCache(`tensionPoints`)})}_sceneFunc(e){let t=this.points(),n=t.length,r=this.tension(),i=this.closed(),a=this.bezier();if(!n)return;let o=0;if(e.beginPath(),e.moveTo(t[0],t[1]),r!==0&&n>4){let 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s=this.getLineLength(t,n,r,i);if(s<1e-10)return{x:t,y:n};if(r===t)return{x:a,y:o+(i>n?e:-e)};let c=(i-n)/(r-t),l=Math.sqrt(e*e/(1+c*c))*(r<t?-1:1),u=c*l;if(Math.abs(o-n-c*(a-t))<1e-10)return{x:a+l,y:o+u};let d=((a-t)*(r-t)+(o-n)*(i-n))/(s*s),f=t+d*(r-t),p=n+d*(i-n),m=this.getLineLength(a,o,f,p),h=Math.sqrt(e*e-m*m),g=Math.sqrt(h*h/(1+c*c))*(r<t?-1:1),_=c*g;return{x:f+g,y:p+_}}static getPointOnCubicBezier(e,t,n,r,i,a,o,s,c){function l(e){return e*e*e}function u(e){return 3*e*e*(1-e)}function d(e){return 3*e*(1-e)*(1-e)}function f(e){return(1-e)*(1-e)*(1-e)}return{x:s*l(e)+a*u(e)+r*d(e)+t*f(e),y:c*l(e)+o*u(e)+i*d(e)+n*f(e)}}static getPointOnQuadraticBezier(e,t,n,r,i,a,o){function s(e){return e*e}function c(e){return 2*e*(1-e)}function l(e){return(1-e)*(1-e)}return{x:a*s(e)+r*c(e)+t*l(e),y:o*s(e)+i*c(e)+n*l(e)}}static getPointOnEllipticalArc(e,t,n,r,i,a){let o=Math.cos(a),s=Math.sin(a),c={x:n*Math.cos(i),y:r*Math.sin(i)};return{x:e+(c.x*o-c.y*s),y:t+(c.x*s+c.y*o)}}static parsePathData(e){if(!e)return[];let t=e,n=[`m`,`M`,`l`,`L`,`v`,`V`,`h`,`H`,`z`,`Z`,`c`,`C`,`q`,`Q`,`t`,`T`,`s`,`S`,`a`,`A`];t=t.replace(RegExp(` `,`g`),`,`);for(let e=0;e<n.length;e++)t=t.replace(new RegExp(n[e],`g`),`|`+n[e]);let r=t.split(`|`),i=[],a=[],o=0,s=0,c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l;for(let e=1;e<r.length;e++){let t=r[e],n=t.charAt(0);for(t=t.slice(1),a.length=0;l=c.exec(t);)a.push(l[0]);let u=[],d=n===`A`||n===`a`?0:-1;for(let e=0,t=a.length;e<t;e++){let t=a[e];if(t===`00`){u.push(0,0),d>=0&&(d+=2,d>=7&&(d-=7));continue}if(d>=0){if(d===3){if(/^[01]{2}\d+(?:\.\d+)?$/.test(t)){u.push(parseInt(t[0],10)),u.push(parseInt(t[1],10)),u.push(parseFloat(t.slice(2))),d+=3,d>=7&&(d-=7);continue}if(t===`11`||t===`10`||t===`01`){u.push(parseInt(t[0],10)),u.push(parseInt(t[1],10)),d+=2,d>=7&&(d-=7);continue}if(t===`0`||t===`1`){u.push(parseInt(t,10)),d+=1,d>=7&&(d-=7);continue}}else if(d===4){if(/^[01]\d+(?:\.\d+)?$/.test(t)){u.push(parseInt(t[0],10)),u.push(parseFloat(t.slice(1))),d+=2,d>=7&&(d-=7);continue}if(t===`0`||t===`1`){u.push(parseInt(t,10)),d+=1,d>=7&&(d-=7);continue}}let e=parseFloat(t);isNaN(e)?u.push(0):u.push(e),d+=1,d>=7&&(d-=7)}else{let e=parseFloat(t);isNaN(e)?u.push(0):u.push(e)}}for(;u.length>0&&!isNaN(u[0]);){let e=``,t=[],r=o,a=s,c,l,d,f,p,m,h,g,_,v;switch(n){case`l`:o+=u.shift(),s+=u.shift(),e=`L`,t.push(o,s);break;case`L`:o=u.shift(),s=u.shift(),t.push(o,s);break;case`m`:let r=u.shift(),a=u.shift();if(o+=r,s+=a,e=`M`,i.length>2&&i[i.length-1].command===`z`){for(let e=i.length-2;e>=0;e--)if(i[e].command===`M`){o=i[e].points[0]+r,s=i[e].points[1]+a;break}}t.push(o,s),n=`l`;break;case`M`:o=u.shift(),s=u.shift(),e=`M`,t.push(o,s),n=`L`;break;case`h`:o+=u.shift(),e=`L`,t.push(o,s);break;case`H`:o=u.shift(),e=`L`,t.push(o,s);break;case`v`:s+=u.shift(),e=`L`,t.push(o,s);break;case`V`:s=u.shift(),e=`L`,t.push(o,s);break;case`C`:t.push(u.shift(),u.shift(),u.shift(),u.shift()),o=u.shift(),s=u.shift(),t.push(o,s);break;case`c`:t.push(o+u.shift(),s+u.shift(),o+u.shift(),s+u.shift()),o+=u.shift(),s+=u.shift(),e=`C`,t.push(o,s);break;case`S`:l=o,d=s,c=i[i.length-1],c.command===`C`&&(l=o+(o-c.points[2]),d=s+(s-c.points[3])),t.push(l,d,u.shift(),u.shift()),o=u.shift(),s=u.shift(),e=`C`,t.push(o,s);break;case`s`:l=o,d=s,c=i[i.length-1],c.command===`C`&&(l=o+(o-c.points[2]),d=s+(s-c.points[3])),t.push(l,d,o+u.shift(),s+u.shift()),o+=u.shift(),s+=u.shift(),e=`C`,t.push(o,s);break;case`Q`:t.push(u.shift(),u.shift()),o=u.shift(),s=u.shift(),t.push(o,s);break;case`q`:t.push(o+u.shift(),s+u.shift()),o+=u.shift(),s+=u.shift(),e=`Q`,t.push(o,s);break;case`T`:l=o,d=s,c=i[i.length-1],c.command===`Q`&&(l=o+(o-c.points[0]),d=s+(s-c.points[1])),o=u.shift(),s=u.shift(),e=`Q`,t.push(l,d,o,s);break;case`t`:l=o,d=s,c=i[i.length-1],c.command===`Q`&&(l=o+(o-c.points[0]),d=s+(s-c.points[1])),o+=u.shift(),s+=u.shift(),e=`Q`,t.push(l,d,o,s);break;case`A`:f=u.shift(),p=u.shift(),m=u.shift(),h=u.shift(),g=u.shift(),_=o,v=s,o=u.shift(),s=u.shift(),e=`A`,t=this.convertEndpointToCenterParameterization(_,v,o,s,h,g,f,p,m);break;case`a`:f=u.shift(),p=u.shift(),m=u.shift(),h=u.shift(),g=u.shift(),_=o,v=s,o+=u.shift(),s+=u.shift(),e=`A`,t=this.convertEndpointToCenterParameterization(_,v,o,s,h,g,f,p,m);break}i.push({command:e||n,points:t,start:{x:r,y:a},pathLength:this.calcLength(r,a,e||n,t)})}(n===`z`||n===`Z`)&&i.push({command:`z`,points:[],start:void 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p=Math.sqrt((o*o*(s*s)-o*o*(d*d)-s*s*(u*u))/(o*o*(d*d)+s*s*(u*u)));i===a&&(p*=-1),isNaN(p)&&(p=0);let m=p*o*d/s,h=p*-s*u/o,g=(e+n)/2+Math.cos(l)*m-Math.sin(l)*h,_=(t+r)/2+Math.sin(l)*m+Math.cos(l)*h,v=function(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])},y=function(e,t){return(e[0]*t[0]+e[1]*t[1])/(v(e)*v(t))},b=function(e,t){return(e[0]*t[1]<e[1]*t[0]?-1:1)*Math.acos(y(e,t))},x=b([1,0],[(u-m)/o,(d-h)/s]),S=[(u-m)/o,(d-h)/s],C=[(-1*u-m)/o,(-1*d-h)/s],w=b(S,C);return y(S,C)<=-1&&(w=Math.PI),y(S,C)>=1&&(w=0),a===0&&w>0&&(w-=2*Math.PI),a===1&&w<0&&(w+=2*Math.PI),[g,_,o,s,x,w,l,a]}};W.prototype.className=`Path`,W.prototype._attrsAffectingSize=[`data`],P(W),z.addGetterSetter(W,`data`);var ba=class extends da{_sceneFunc(e){super._sceneFunc(e);let t=Math.PI*2,n=this.points(),r=n,i=this.tension()!==0&&n.length>4;i&&(r=this.getTensionPoints());let a=this.pointerLength(),o=n.length,s,c;if(i){let e=[r[r.length-4],r[r.length-3],r[r.length-2],r[r.length-1],n[o-2],n[o-1]],t=W.calcLength(r[r.length-4],r[r.length-3],`C`,e),i=W.getPointOnQuadraticBezier(Math.min(1,1-a/t),e[0],e[1],e[2],e[3],e[4],e[5]);s=n[o-2]-i.x,c=n[o-1]-i.y}else s=n[o-2]-n[o-4],c=n[o-1]-n[o-3];let l=(Math.atan2(c,s)+t)%t,u=this.pointerWidth();this.pointerAtEnding()&&(e.save(),e.beginPath(),e.translate(n[o-2],n[o-1]),e.rotate(l),e.moveTo(0,0),e.lineTo(-a,u/2),e.lineTo(-a,-u/2),e.closePath(),e.restore(),this.__fillStroke(e)),this.pointerAtBeginning()&&(e.save(),e.beginPath(),e.translate(n[0],n[1]),i?(s=(r[0]+r[2])/2-n[0],c=(r[1]+r[3])/2-n[1]):(s=n[2]-n[0],c=n[3]-n[1]),e.rotate((Math.atan2(-c,-s)+t)%t),e.moveTo(0,0),e.lineTo(-a,u/2),e.lineTo(-a,-u/2),e.closePath(),e.restore(),this.__fillStroke(e))}__fillStroke(e){let t=this.dashEnabled();t&&(this.attrs.dashEnabled=!1,e.setLineDash([])),e.fillStrokeShape(this),t&&(this.attrs.dashEnabled=!0)}getSelfRect(){let e=super.getSelfRect(),t=this.pointerWidth()/2;return{x:e.x,y:e.y-t,width:e.width,height:e.height+t*2}}};ba.prototype.className=`Arrow`,P(ba),z.addGetterSetter(ba,`pointerLength`,10,R()),z.addGetterSetter(ba,`pointerWidth`,10,R()),z.addGetterSetter(ba,`pointerAtBeginning`,!1),z.addGetterSetter(ba,`pointerAtEnding`,!0);var xa=class extends U{_sceneFunc(e){e.beginPath(),e.arc(0,0,this.attrs.radius||0,0,Math.PI*2,!1),e.closePath(),e.fillStrokeShape(this)}getWidth(){return this.radius()*2}getHeight(){return this.radius()*2}setWidth(e){this.radius()!==e/2&&this.radius(e/2)}setHeight(e){this.radius()!==e/2&&this.radius(e/2)}};xa.prototype._centroid=!0,xa.prototype.className=`Circle`,xa.prototype._attrsAffectingSize=[`radius`],P(xa),z.addGetterSetter(xa,`radius`,0,R());var Sa=class extends U{_sceneFunc(e){let t=this.radiusX(),n=this.radiusY();e.beginPath(),e.save(),t!==n&&e.scale(1,n/t),e.arc(0,0,t,0,Math.PI*2,!1),e.restore(),e.closePath(),e.fillStrokeShape(this)}getWidth(){return this.radiusX()*2}getHeight(){return this.radiusY()*2}setWidth(e){this.radiusX(e/2)}setHeight(e){this.radiusY(e/2)}};Sa.prototype.className=`Ellipse`,Sa.prototype._centroid=!0,Sa.prototype._attrsAffectingSize=[`radiusX`,`radiusY`],P(Sa),z.addComponentsGetterSetter(Sa,`radius`,[`x`,`y`]),z.addGetterSetter(Sa,`radiusX`,0,R()),z.addGetterSetter(Sa,`radiusY`,0,R());var Ca=class e extends U{constructor(e){super(e),this._loadListener=()=>{this._requestDraw()},this.on(`imageChange.konva`,e=>{this._removeImageLoad(e.oldVal),this._setImageLoad()}),this._setImageLoad()}_setImageLoad(){let e=this.image();e&&e.complete||e&&e.readyState===4||e&&e.addEventListener&&e.addEventListener(`load`,this._loadListener)}_removeImageLoad(e){e&&e.removeEventListener&&e.removeEventListener(`load`,this._loadListener)}destroy(){return this._removeImageLoad(this.image()),super.destroy(),this}_useBufferCanvas(){let e=!!this.cornerRadius(),t=this.hasShadow();return e&&t?!0:super._useBufferCanvas(!0)}_sceneFunc(e){let t=this.getWidth(),n=this.getHeight(),r=this.cornerRadius(),i=this.attrs.image,a;if(i){let e=this.attrs.cropWidth,r=this.attrs.cropHeight;a=e&&r?[i,this.cropX(),this.cropY(),e,r,0,0,t,n]:[i,0,0,t,n]}(this.hasFill()||this.hasStroke()||r)&&(e.beginPath(),r?I.drawRoundedRectPath(e,t,n,r):e.rect(0,0,t,n),e.closePath(),e.fillStrokeShape(this)),i&&(r&&e.clip(),e.drawImage.apply(e,a))}_hitFunc(e){let t=this.width(),n=this.height(),r=this.cornerRadius();e.beginPath(),r?I.drawRoundedRectPath(e,t,n,r):e.rect(0,0,t,n),e.closePath(),e.fillStrokeShape(this)}getWidth(){return this.attrs.width??this.image()?.width??0}getHeight(){return this.attrs.height??this.image()?.height??0}static fromURL(t,n,r=null){let i=I.createImageElement();i.onload=function(){n(new e({image:i}))},i.onerror=r,i.crossOrigin=`Anonymous`,i.src=t}};Ca.prototype.className=`Image`,Ca.prototype._attrsAffectingSize=[`image`],P(Ca),z.addGetterSetter(Ca,`cornerRadius`,0,ir(4)),z.addGetterSetter(Ca,`image`),z.addComponentsGetterSetter(Ca,`crop`,[`x`,`y`,`width`,`height`]),z.addGetterSetter(Ca,`cropX`,0,R()),z.addGetterSetter(Ca,`cropY`,0,R()),z.addGetterSetter(Ca,`cropWidth`,0,R()),z.addGetterSetter(Ca,`cropHeight`,0,R());var wa=[`fontFamily`,`fontSize`,`fontStyle`,`padding`,`lineHeight`,`text`,`width`,`height`,`pointerDirection`,`pointerWidth`,`pointerHeight`],Ta=`Change.konva`,Ea=`none`,Da=`up`,Oa=`right`,ka=`down`,Aa=`left`,ja=wa.length,Ma=class extends Ji{constructor(e){super(e),this.on(`add.konva`,function(e){this._addListeners(e.child),this._sync()})}getText(){return this.find(`Text`)[0]}getTag(){return this.find(`Tag`)[0]}_addListeners(e){let t=this,n,r=function(){t._sync()};for(n=0;n<ja;n++)e.on(wa[n]+Ta,r)}getWidth(){return this.getText().width()}getHeight(){return this.getText().height()}_sync(){let e=this.getText(),t=this.getTag(),n,r,i,a,o,s,c;if(e&&t){switch(n=e.width(),r=e.height(),i=t.pointerDirection(),a=t.pointerWidth(),c=t.pointerHeight(),o=0,s=0,i){case Da:o=n/2,s=-1*c;break;case Oa:o=n+a,s=r/2;break;case ka:o=n/2,s=r+c;break;case Aa:o=-1*a,s=r/2;break}t.setAttrs({x:-1*o,y:-1*s,width:n,height:r}),e.setAttrs({x:-1*o,y:-1*s})}}};Ma.prototype.className=`Label`,P(Ma);var Na=class extends U{_sceneFunc(e){let t=this.width(),n=this.height(),r=this.pointerDirection(),i=this.pointerWidth(),a=this.pointerHeight(),o=this.cornerRadius(),s=0,c=0,l=0,u=0;typeof 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n=0;n<t.length;n++){let r=this._getPointAtLength(d);if(!r)return;let i=t[n].char,u=t[n].width+a;if(i===` `&&o===`justify`){let e=this.text().split(` `).length-1;u+=(this.pathLength-l)/e}let f=d+u,p=this._getPointAtLength(f>this.pathLength&&f-this.pathLength<=c?this.pathLength:f);if(!p)return;let m=W.getLineLength(r.x,r.y,p.x,p.y),h=0;if(s)try{h=s(t[n-1].char,i)*this.fontSize()}catch{h=0}r.x+=h,p.x+=h,this.textWidth+=h;let g=W.getPointOnLine(h+m/2,r.x,r.y,p.x,p.y),_=Math.atan2(p.y-r.y,p.x-r.x);this.glyphInfo.push({transposeX:g.x,transposeY:g.y,text:e[n],rotation:_,p0:r,p1:p,width:m}),d+=u}}getSelfRect(){if(!this.glyphInfo.length)return{x:0,y:0,width:0,height:0};let e=[];this.glyphInfo.forEach(function(t){e.push(t.p0.x),e.push(t.p0.y),e.push(t.p1.x),e.push(t.p1.y)});let t=e[0]||0,n=e[0]||0,r=e[1]||0,i=e[1]||0,a,o;for(let s=0;s<e.length/2;s++)a=e[s*2],o=e[s*2+1],t=Math.min(t,a),n=Math.max(n,a),r=Math.min(r,o),i=Math.max(i,o);let s=this.fontSize();return{x:t-s/2,y:r-s/2,width:n-t+s,height:i-r+s}}destroy(){return I.releaseCanvas(this.dummyCanvas),super.destroy()}};K.prototype._fillFunc=So,K.prototype._strokeFunc=Co,K.prototype._fillFuncHit=So,K.prototype._strokeFuncHit=Co,K.prototype.className=`TextPath`,K.prototype._attrsAffectingSize=[`text`,`fontSize`,`data`],P(K),z.addGetterSetter(K,`data`),z.addGetterSetter(K,`fontFamily`,`Arial`),z.addGetterSetter(K,`fontSize`,12,R()),z.addGetterSetter(K,`fontStyle`,xo),z.addGetterSetter(K,`align`,`left`),z.addGetterSetter(K,`letterSpacing`,0,R()),z.addGetterSetter(K,`textBaseline`,`middle`),z.addGetterSetter(K,`fontVariant`,xo),z.addGetterSetter(K,`text`,bo),z.addGetterSetter(K,`textDecoration`,``),z.addGetterSetter(K,`kerningFunc`,void 0),z.addGetterSetter(K,`direction`,`inherit`);var wo=`tr-konva`,To=[`resizeEnabledChange`,`rotateAnchorOffsetChange`,`rotateAnchorAngleChange`,`rotateEnabledChange`,`enabledAnchorsChange`,`anchorSizeChange`,`borderEnabledChange`,`borderStrokeChange`,`borderStrokeWidthChange`,`borderDashChange`,`anchorStrokeChange`,`anchorStrokeWidthChange`,`anchorFillChange`,`anchorCornerRadiusChange`,`ignoreStrokeChange`,`anchorStyleFuncChange`].map(e=>e+`.${wo}`).join(` `),Eo=`nodesRect`,Do=[`widthChange`,`heightChange`,`scaleXChange`,`scaleYChange`,`skewXChange`,`skewYChange`,`rotationChange`,`offsetXChange`,`offsetYChange`,`transformsEnabledChange`,`strokeWidthChange`,`draggableChange`],Oo={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135},ko=`ontouchstart`in N._global;function Ao(e,t,n){if(e===`rotater`)return n;t+=I.degToRad(Oo[e]||0);let r=(I.radToDeg(t)%360+360)%360;return I._inRange(r,337.5,360)||I._inRange(r,0,22.5)?`ns-resize`:I._inRange(r,22.5,67.5)?`nesw-resize`:I._inRange(r,67.5,112.5)?`ew-resize`:I._inRange(r,112.5,157.5)?`nwse-resize`:I._inRange(r,157.5,202.5)?`ns-resize`:I._inRange(r,202.5,247.5)?`nesw-resize`:I._inRange(r,247.5,292.5)?`ew-resize`:I._inRange(r,292.5,337.5)?`nwse-resize`:(I.error(`Transformer has unknown angle for cursor detection: `+r),`pointer`)}var jo=[`top-left`,`top-center`,`top-right`,`middle-right`,`middle-left`,`bottom-left`,`bottom-center`,`bottom-right`],Mo=1e8;function No(e){return{x:e.x+e.width/2*Math.cos(e.rotation)+e.height/2*Math.sin(-e.rotation),y:e.y+e.height/2*Math.cos(e.rotation)+e.width/2*Math.sin(e.rotation)}}function Po(e,t,n){let r=n.x+(e.x-n.x)*Math.cos(t)-(e.y-n.y)*Math.sin(t),i=n.y+(e.x-n.x)*Math.sin(t)+(e.y-n.y)*Math.cos(t);return{...e,rotation:e.rotation+t,x:r,y:i}}function Fo(e,t){return Po(e,t,No(e))}function Io(e,t,n){let r=t;for(let i=0;i<e.length;i++){let a=N.getAngle(e[i]),o=Math.abs(a-t)%(Math.PI*2);Math.min(o,Math.PI*2-o)<n&&(r=a)}return r}var Lo=0,q=class extends Ji{constructor(e){super(e),this._movingAnchorName=null,this._transforming=!1,this._elementsCreated=!1,this._createElements(),this._handleMouseMove=this._handleMouseMove.bind(this),this._handleMouseUp=this._handleMouseUp.bind(this),this.update=this.update.bind(this),this.on(To,this.update),this.getNode()&&this.update()}attachTo(e){return this.setNode(e),this}setNode(e){return I.warn(`tr.setNode(shape), tr.node(shape) and tr.attachTo(shape) methods are deprecated. Please use tr.nodes(nodesArray) instead.`),this.setNodes([e])}getNode(){return this._nodes&&this._nodes[0]}_getEventNamespace(){return wo+this._id}setNodes(e=[]){this._nodes&&this._nodes.length&&this.detach();let t=e.filter(e=>e.isAncestorOf(this)?(I.error(`Konva.Transformer cannot be an a child of the node you are trying to attach`),!1):!0);return this._nodes=e=t,e.length===1&&this.useSingleNodeRotation()?this.rotation(e[0].getAbsoluteRotation()):this.rotation(0),this._nodes.forEach(e=>{let t=()=>{this.nodes().length===1&&this.useSingleNodeRotation()&&this.rotation(this.nodes()[0].getAbsoluteRotation()),this._resetTransformCache(),!this._transforming&&!this.isDragging()&&this.update()};if(e._attrsAffectingSize.length){let n=e._attrsAffectingSize.map(e=>e+`Change.`+this._getEventNamespace()).join(` `);e.on(n,t)}e.on(Do.map(e=>e+`.${this._getEventNamespace()}`).join(` `),t),e.on(`absoluteTransformChange.${this._getEventNamespace()}`,t),this._proxyDrag(e)}),this._resetTransformCache(),this.findOne(`.top-left`)&&this.update(),this}_proxyDrag(e){let t;e.on(`dragstart.${this._getEventNamespace()}`,n=>{t=e.getAbsolutePosition(),!this.isDragging()&&e!==this.findOne(`.back`)&&this.startDrag(n,!1)}),e.on(`dragmove.${this._getEventNamespace()}`,n=>{if(!t)return;let r=e.getAbsolutePosition(),i=r.x-t.x,a=r.y-t.y;this.nodes().forEach(t=>{if(t===e||t.isDragging())return;let r=t.getAbsolutePosition();t.setAbsolutePosition({x:r.x+i,y:r.y+a}),t.startDrag(n)}),t=null})}getNodes(){return this._nodes||[]}getActiveAnchor(){return this._movingAnchorName}detach(){this._nodes&&this._nodes.forEach(e=>{e.off(`.`+this._getEventNamespace())}),this._nodes=[],this._resetTransformCache()}_resetTransformCache(){this._clearCache(Eo),this._clearCache(`transform`),this._clearSelfAndDescendantCache(`absoluteTransform`)}_getNodeRect(){return this._getCache(Eo,this.__getNodeRect)}__getNodeShape(e,t=this.rotation(),n){let r=e.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),i=e.getAbsoluteScale(n),a=e.getAbsolutePosition(n),o=r.x*i.x-e.offsetX()*i.x,s=r.y*i.y-e.offsetY()*i.y,c=(N.getAngle(e.getAbsoluteRotation())+Math.PI*2)%(Math.PI*2);return Po({x:a.x+o*Math.cos(c)+s*Math.sin(-c),y:a.y+s*Math.cos(c)+o*Math.sin(c),width:r.width*i.x,height:r.height*i.y,rotation:c},-N.getAngle(t),{x:0,y:0})}__getNodeRect(){if(!this.getNode())return{x:-Mo,y:-Mo,width:0,height:0,rotation:0};let e=[];this.nodes().map(t=>{let n=t.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),r=[{x:n.x,y:n.y},{x:n.x+n.width,y:n.y},{x:n.x+n.width,y:n.y+n.height},{x:n.x,y:n.y+n.height}],i=t.getAbsoluteTransform();r.forEach(function(t){let n=i.point(t);e.push(n)})});let t=new F;t.rotate(-N.getAngle(this.rotation()));let n=1/0,r=1/0,i=-1/0,a=-1/0;e.forEach(function(e){let o=t.point(e);n===void 0&&(n=i=o.x,r=a=o.y),n=Math.min(n,o.x),r=Math.min(r,o.y),i=Math.max(i,o.x),a=Math.max(a,o.y)}),t.invert();let o=t.point({x:n,y:r});return{x:o.x,y:o.y,width:i-n,height:a-r,rotation:N.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(),jo.forEach(e=>{this._createAnchor(e)}),this._createAnchor(`rotater`),this._elementsCreated=!0}_createAnchor(e){let t=new Pa({stroke:`rgb(0, 161, 255)`,fill:`white`,strokeWidth:1,name:e+` _anchor`,dragDistance:0,draggable:!0,hitStrokeWidth:ko?10:`auto`}),n=this;t.on(`mousedown touchstart`,function(e){n._handleMouseDown(e)}),t.on(`dragstart`,e=>{t.stopDrag(),e.cancelBubble=!0}),t.on(`dragend`,e=>{e.cancelBubble=!0}),t.on(`mouseenter`,()=>{let n=Ao(e,N.getAngle(this.rotation()),this.rotateAnchorCursor());t.getStage().content&&(t.getStage().content.style.cursor=n),this._cursorChange=!0}),t.on(`mouseout`,()=>{t.getStage().content&&(t.getStage().content.style.cursor=``),this._cursorChange=!1}),this.add(t)}_createBack(){let e=new U({name:`back`,width:0,height:0,sceneFunc(e,t){let n=t.getParent(),r=n.padding(),i=t.width(),a=t.height();if(e.beginPath(),e.rect(-r,-r,i+r*2,a+r*2),n.rotateEnabled()&&n.rotateLineVisible()){let t=n.rotateAnchorAngle(),r=n.rotateAnchorOffset(),o=I.degToRad(t),s=Math.sin(o),c=-Math.cos(o),l=i/2,u=a/2,d=1/0;c<0?d=Math.min(d,-u/c):c>0&&(d=Math.min(d,(a-u)/c)),s<0?d=Math.min(d,-l/s):s>0&&(d=Math.min(d,(i-l)/s));let f=l+s*d,p=u+c*d,m=I._sign(a),h=f+s*r*m,g=p+c*r*m;e.moveTo(f,p),e.lineTo(h,g)}e.fillStrokeShape(t)},hitFunc:(e,t)=>{if(!this.shouldOverdrawWholeArea())return;let n=this.padding();e.beginPath(),e.rect(-n,-n,t.width()+n*2,t.height()+n*2),e.fillStrokeShape(t)}});this.add(e),this._proxyDrag(e),e.on(`dragstart`,e=>{e.cancelBubble=!0}),e.on(`dragmove`,e=>{e.cancelBubble=!0}),e.on(`dragend`,e=>{e.cancelBubble=!0}),this.on(`dragmove`,e=>{this.update()})}_handleMouseDown(e){if(this._transforming)return;this._movingAnchorName=e.target.name().split(` `)[0];let t=this._getNodeRect(),n=t.width,r=t.height,i=Math.sqrt(n**2+r**2);this.sin=Math.abs(r/i),this.cos=Math.abs(n/i),typeof window<`u`&&(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;let a=e.target.getAbsolutePosition(),o=e.target.getStage().getPointerPosition();this._anchorDragOffset={x:o.x-a.x,y:o.y-a.y},Lo++,this._fire(`transformstart`,{evt:e.evt,target:this.getNode()}),this._nodes.forEach(t=>{t._fire(`transformstart`,{evt:e.evt,target:t})})}_handleMouseMove(e){let t,n,r,i=this.findOne(`.`+this._movingAnchorName),a=i.getStage();a.setPointersPositions(e);let o=a.getPointerPosition(),s={x:o.x-this._anchorDragOffset.x,y:o.y-this._anchorDragOffset.y},c=i.getAbsolutePosition();this.anchorDragBoundFunc()&&(s=this.anchorDragBoundFunc()(c,s,e)),i.setAbsolutePosition(s);let l=i.getAbsolutePosition();if(c.x===l.x&&c.y===l.y)return;if(this._movingAnchorName===`rotater`){let r=this._getNodeRect();t=i.x()-r.width/2,n=-i.y()+r.height/2;let a=N.getAngle(this.rotateAnchorAngle()),o=Math.atan2(-n,t)+Math.PI/2-a;r.height<0&&(o-=Math.PI);let s=N.getAngle(this.rotation())+o,c=N.getAngle(this.rotationSnapTolerance()),l=Fo(r,Io(this.rotationSnaps(),s,c)-r.rotation);this._fitNodesInto(l,e);return}let u=this.shiftBehavior(),d;d=u===`inverted`?this.keepRatio()&&!e.shiftKey:u===`none`?this.keepRatio():this.keepRatio()||e.shiftKey;let f=this.centeredScaling()||e.altKey;if(this._movingAnchorName===`top-left`){if(d){let e=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(`.bottom-right`).x(),y:this.findOne(`.bottom-right`).y()};r=Math.sqrt((e.x-i.x())**2+(e.y-i.y())**2);let a=this.findOne(`.top-left`).x()>e.x?-1:1,o=this.findOne(`.top-left`).y()>e.y?-1:1;t=r*this.cos*a,n=r*this.sin*o,this.findOne(`.top-left`).x(e.x-t),this.findOne(`.top-left`).y(e.y-n)}}else if(this._movingAnchorName===`top-center`)this.findOne(`.top-left`).y(i.y());else if(this._movingAnchorName===`top-right`){if(d){let e=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(`.bottom-left`).x(),y:this.findOne(`.bottom-left`).y()};r=Math.sqrt((i.x()-e.x)**2+(e.y-i.y())**2);let a=this.findOne(`.top-right`).x()<e.x?-1:1,o=this.findOne(`.top-right`).y()>e.y?-1:1;t=r*this.cos*a,n=r*this.sin*o,this.findOne(`.top-right`).x(e.x+t),this.findOne(`.top-right`).y(e.y-n)}var p=i.position();this.findOne(`.top-left`).y(p.y),this.findOne(`.bottom-right`).x(p.x)}else if(this._movingAnchorName===`middle-left`)this.findOne(`.top-left`).x(i.x());else if(this._movingAnchorName===`middle-right`)this.findOne(`.bottom-right`).x(i.x());else if(this._movingAnchorName===`bottom-left`){if(d){let e=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(`.top-right`).x(),y:this.findOne(`.top-right`).y()};r=Math.sqrt((e.x-i.x())**2+(i.y()-e.y)**2);let a=e.x<i.x()?-1:1,o=i.y()<e.y?-1:1;t=r*this.cos*a,n=r*this.sin*o,i.x(e.x-t),i.y(e.y+n)}p=i.position(),this.findOne(`.top-left`).x(p.x),this.findOne(`.bottom-right`).y(p.y)}else if(this._movingAnchorName===`bottom-center`)this.findOne(`.bottom-right`).y(i.y());else if(this._movingAnchorName===`bottom-right`){if(d){let e=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(`.top-left`).x(),y:this.findOne(`.top-left`).y()};r=Math.sqrt((i.x()-e.x)**2+(i.y()-e.y)**2);let a=this.findOne(`.bottom-right`).x()<e.x?-1:1,o=this.findOne(`.bottom-right`).y()<e.y?-1:1;t=r*this.cos*a,n=r*this.sin*o,this.findOne(`.bottom-right`).x(e.x+t),this.findOne(`.bottom-right`).y(e.y+n)}}else console.error(Error(`Wrong position argument of selection resizer: `+this._movingAnchorName));if(f=this.centeredScaling()||e.altKey,f){let e=this.findOne(`.top-left`),t=this.findOne(`.bottom-right`),n=e.x(),r=e.y(),i=this.getWidth()-t.x(),a=this.getHeight()-t.y();t.move({x:-n,y:-r}),e.move({x:i,y:a})}let m=this.findOne(`.top-left`).getAbsolutePosition();t=m.x,n=m.y;let h=this.findOne(`.bottom-right`).x()-this.findOne(`.top-left`).x(),g=this.findOne(`.bottom-right`).y()-this.findOne(`.top-left`).y();this._fitNodesInto({x:t,y:n,width:h,height:g,rotation:N.getAngle(this.rotation())},e)}_handleMouseUp(e){this._removeEvents(e)}getAbsoluteTransform(){return this.getTransform()}_removeEvents(e){var t;if(this._transforming){this._transforming=!1,typeof window<`u`&&(window.removeEventListener(`mousemove`,this._handleMouseMove),window.removeEventListener(`touchmove`,this._handleMouseMove),window.removeEventListener(`mouseup`,this._handleMouseUp,!0),window.removeEventListener(`touchend`,this._handleMouseUp,!0));let n=this.getNode();Lo--,this._fire(`transformend`,{evt:e,target:n}),(t=this.getLayer())==null||t.batchDraw(),n&&this._nodes.forEach(t=>{var n;t._fire(`transformend`,{evt:e,target:t}),(n=t.getLayer())==null||n.batchDraw()}),this._movingAnchorName=null}}_fitNodesInto(e,t){let n=this._getNodeRect();if(I._inRange(e.width,-this.padding()*2-1,1)){this.update();return}if(I._inRange(e.height,-this.padding()*2-1,1)){this.update();return}let r=new F;if(r.rotate(N.getAngle(this.rotation())),this._movingAnchorName&&e.width<0&&this._movingAnchorName.indexOf(`left`)>=0){let t=r.point({x:-this.padding()*2,y:0});e.x+=t.x,e.y+=t.y,e.width+=this.padding()*2,this._movingAnchorName=this._movingAnchorName.replace(`left`,`right`),this._anchorDragOffset.x-=t.x,this._anchorDragOffset.y-=t.y}else if(this._movingAnchorName&&e.width<0&&this._movingAnchorName.indexOf(`right`)>=0){let t=r.point({x:this.padding()*2,y:0});this._movingAnchorName=this._movingAnchorName.replace(`right`,`left`),this._anchorDragOffset.x-=t.x,this._anchorDragOffset.y-=t.y,e.width+=this.padding()*2}if(this._movingAnchorName&&e.height<0&&this._movingAnchorName.indexOf(`top`)>=0){let t=r.point({x:0,y:-this.padding()*2});e.x+=t.x,e.y+=t.y,this._movingAnchorName=this._movingAnchorName.replace(`top`,`bottom`),this._anchorDragOffset.x-=t.x,this._anchorDragOffset.y-=t.y,e.height+=this.padding()*2}else if(this._movingAnchorName&&e.height<0&&this._movingAnchorName.indexOf(`bottom`)>=0){let t=r.point({x:0,y:this.padding()*2});this._movingAnchorName=this._movingAnchorName.replace(`bottom`,`top`),this._anchorDragOffset.x-=t.x,this._anchorDragOffset.y-=t.y,e.height+=this.padding()*2}if(this.boundBoxFunc()){let t=this.boundBoxFunc()(n,e);t?e=t:I.warn(`boundBoxFunc returned falsy. 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