!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Konva=e()}(this,(function(){"use strict";
/*
   * Konva JavaScript Framework v9.3.6
   * http://konvajs.org/
   * Licensed under the MIT
   * Date: Thu Mar 07 2024
   *
   * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
   * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
   *
   * @license
   */const t=Math.PI/180;const e="undefined"!=typeof global?global:"undefined"!=typeof window?window:"undefined"!=typeof WorkerGlobalScope?self:{},i={_global:e,version:"9.3.6",isBrowser:"undefined"!=typeof window&&("[object Window]"==={}.toString.call(window)||"[object global]"==={}.toString.call(window)),isUnminified:/param/.test(function(t){}.toString()),dblClickWindow:400,getAngle:e=>i.angleDeg?e*t:e,enableTrace:!1,pointerEventsEnabled:!0,autoDrawEnabled:!0,hitOnDragEnabled:!1,capturePointerEventsEnabled:!1,_mouseListenClick:!1,_touchListenClick:!1,_pointerListenClick:!1,_mouseInDblClickWindow:!1,_touchInDblClickWindow:!1,_pointerInDblClickWindow:!1,_mouseDblClickPointerId:null,_touchDblClickPointerId:null,_pointerDblClickPointerId:null,pixelRatio:"undefined"!=typeof window&&window.devicePixelRatio||1,dragDistance:3,angleDeg:!0,showWarnings:!0,dragButtons:[0,1],isDragging:()=>i.DD.isDragging,isTransforming(){var t;return null===(t=i.Transformer)||void 0===t?void 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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){const e=t.attrs.lineCap;e&&this.setAttr("lineCap",e)}_applyOpacity(t){var e=t.getAbsoluteOpacity();1!==e&&this.setAttr("globalAlpha",e)}_applyLineJoin(t){const 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(...t){this._context.clip.apply(this._context,t)}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,i,r){return i?this._context.isPointInPath(i,t,e,r):this._context.isPointInPath(t,e,r)}fill(...t){this._context.fill.apply(this._context,t)}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,r){r?this._context.fillText(t,e,i,r):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)}roundRect(t,e,i,r,a){this._context.roundRect(t,e,i,r,a)}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(t){t?this._context.stroke(t):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=C.length,a=this.setAttr,n=function(t){var r,a=i[t];i[t]=function(){return e=function(t){var e,i,r=[],a=t.length,n=g;for(e=0;e<a;e++)i=t[e],n._isNumber(i)?i=Math.round(1e3*i)/1e3:n._isString(i)||(i+=""),r.push(i);return r}(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(C[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){const e=t.attrs.globalCompositeOperation;!e||"source-over"===e||this.setAttr("globalCompositeOperation",e)}}["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","letterSpacing","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","direction","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation","imageSmoothingEnabled"].forEach((function(t){Object.defineProperty(P.prototype,t,{get(){return this._context[t]},set(e){this._context[t]=e}})}));class k extends P{constructor(t,{willReadFrequently:e=!1}={}){super(t),this._context=t._canvas.getContext("2d",{willReadFrequently:e})}_fillColor(t){var e=t.fill();this.setAttr("fillStyle",e),t._fillFunc(this)}_fillPattern(t){this.setAttr("fillStyle",t._getFillPattern()),t._fillFunc(this)}_fillLinearGradient(t){var e=t._getLinearGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fillRadialGradient(t){const e=t._getRadialGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fill(t){const e=t.fill(),i=t.getFillPriority();if(e&&"color"===i)return void this._fillColor(t);const r=t.getFillPatternImage();if(r&&"pattern"===i)return void this._fillPattern(t);const a=t.getFillLinearGradientColorStops();if(a&&"linear-gradient"===i)return void this._fillLinearGradient(t);const 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){const 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,i,r,a=null!==(e=t.getShadowRGBA())&&void 0!==e?e:"black",n=null!==(i=t.getShadowBlur())&&void 0!==i?i:5,s=null!==(r=t.getShadowOffset())&&void 0!==r?r:{x:0,y:0},o=t.getAbsoluteScale(),h=this.canvas.getPixelRatio(),l=o.x*h,d=o.y*h;this.setAttr("shadowColor",a),this.setAttr("shadowBlur",n*Math.min(Math.abs(l),Math.abs(d))),this.setAttr("shadowOffsetX",s.x*l),this.setAttr("shadowOffsetY",s.y*d)}}class T extends P{constructor(t){super(t),this._context=t._canvas.getContext("2d",{willReadFrequently:!0})}_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()){const a=t.getStrokeScaleEnabled();if(!a){this.save();var e=this.getCanvas().getPixelRatio();this.setTransform(e,0,0,e,0,0)}this._applyLineCap(t);var i=t.hitStrokeWidth(),r="auto"===i?t.strokeWidth():i;this.setAttr("lineWidth",r),this.setAttr("strokeStyle",t.colorKey),t._strokeFuncHit(this),a||this.restore()}}}var A;class M{constructor(t){this.pixelRatio=1,this.width=0,this.height=0,this.isCache=!1;var e=(t||{}).pixelRatio||i.pixelRatio||function(){if(A)return A;var t=g.createCanvasElement(),e=t.getContext("2d");return A=(i._global.devicePixelRatio||1)/(e.webkitBackingStorePixelRatio||e.mozBackingStorePixelRatio||e.msBackingStorePixelRatio||e.oBackingStorePixelRatio||e.backingStorePixelRatio||1),g.releaseCanvas(t),A}();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. 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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(),E._dragElements.delete(this._id),this._remove(),this}_clearCaches(){this._clearSelfAndDescendantCache(O),this._clearSelfAndDescendantCache(D),this._clearSelfAndDescendantCache(I),this._clearSelfAndDescendantCache(Y),this._clearSelfAndDescendantCache(q),this._clearSelfAndDescendantCache(N)}_remove(){this._clearCaches();var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)}destroy(){return this.remove(),this.clearCache(),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(N,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(q,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 r=this.getLayer(),a=!1;E._dragElements.forEach((t=>{"dragging"===t.dragStatus&&("Stage"===t.node.nodeType||t.node.getLayer()===r)&&(a=!0)}));var n=!e&&!i.hitOnDragEnabled&&(a||i.isTransforming());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;const o=this.getStage();return"Stage"!==n.nodeType&&o&&function o(h){for(t=[],e=h.length,i=0;i<e;i++)r=h[i],s++,r.nodeType!==W&&(t=t.concat(r.getChildren().slice())),r._id===n._id&&(i=e);t.length>0&&t[0].getDepth()<=a&&o(t)}(o.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(X),this._clearSelfAndDescendantCache(O)),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()}}getRelativePointerPosition(){const t=this.getStage();if(!t)return null;var e=t.getPointerPosition();if(!e)return null;var i=this.getAbsoluteTransform().copy();return i.invert(),i.point(e)}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(),n=new a,s=this.offset();return n.m=r.slice(),n.translate(s.x,s.y),n.getTranslation()}setAbsolutePosition(t){const{x:e,y:i,...r}=this._clearTransform();this.attrs.x=e,this.attrs.y=i,this._clearCache(X);var a=this._getAbsoluteTransform().copy();return a.invert(),a.translate(t.x,t.y),t={x:this.attrs.x+a.getTranslation().x,y:this.attrs.y+a.getTranslation().y},this._setTransform(r),this.setPosition({x:t.x,y:t.y}),this._clearCache(X),this._clearSelfAndDescendantCache(O),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 t<this.parent.getChildren().length-1&&(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. Expected value is from 0 to "+(this.parent.children.length-1)+".");var e=this.index;return this.parent.children.splice(e,1),this.parent.children.splice(t,0,this),this.parent._setChildrenIndices(),this}getAbsoluteOpacity(){return this._getCache(D,this._getAbsoluteOpacity)}_getAbsoluteOpacity(){var t=this.opacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=e.getAbsoluteOpacity()),t}moveTo(t){return this.getParent()!==t&&(this._remove(),t.add(this)),this}toObject(){var t,e,i,r,a=this.getAttrs();const n={attrs:{},className:this.getClassName()};for(t in a)e=a[t],g.isObject(e)&&!g._isPlainObject(e)&&!g._isArray(e)||(i="function"==typeof this[t]&&this[t],delete a[t],r=i?i.call(this):null,a[t]=e,r!==e&&(n.attrs[t]=e));return g._prepareToStringify(n)}toJSON(){return JSON.stringify(this.toObject())}getParent(){return this.parent}findAncestors(t,e,i){var r=[];e&&this._isMatch(t)&&r.push(this);for(var a=this.parent;a;){if(a===i)return r;a._isMatch(t)&&r.push(a),a=a.parent}return r}isAncestorOf(t){return!1}findAncestor(t,e,i){return this.findAncestors(t,e,i)[0]}_isMatch(t){if(!t)return!1;if("function"==typeof t)return t(this);var e,i,r=t.replace(/ /g,"").split(","),a=r.length;for(e=0;e<a;e++)if(i=r[e],g.isValidSelector(i)||(g.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),g.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),g.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(){var t=this.getParent();return t?t.getLayer():null}getStage(){return this._getCache(Y,this._getStage)}_getStage(){var t=this.getParent();return t?t.getStage():null}fire(t,e={},i){return e.target=e.target||this,i?this._fireAndBubble(t,e):this._fire(t,e),this}getAbsoluteTransform(t){return t?this._getAbsoluteTransform(t):this._getCache(O,this._getAbsoluteTransform)}_getAbsoluteTransform(t){var e;if(t)return e=new a,this._eachAncestorReverse((function(t){var 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(O)||new a,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(X,this._getTransform)}_getTransform(){var t,e,r=this._cache.get(X)||new a;r.reset();var n=this.x(),s=this.y(),o=i.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===n&&0===s||r.translate(n,s),0!==o&&r.rotate(o),0===d&&0===c||r.skew(d,c),1===h&&1===l||r.scale(h,l),0===g&&0===u||r.translate(-1*g,-1*u),r.dirty=!1,r}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:Math.floor(e.x),a=void 0!==t.y?t.y:Math.floor(e.y),n=t.pixelRatio||1,s=new G({width:t.width||Math.ceil(e.width)||(i?i.width():0),height:t.height||Math.ceil(e.height)||(i?i.height():0),pixelRatio:n}),o=s.getContext();const h=new G({width:s.width/s.pixelRatio+Math.abs(r),height:s.height/s.pixelRatio+Math.abs(a),pixelRatio:s.pixelRatio});return!1===t.imageSmoothingEnabled&&(o._context.imageSmoothingEnabled=!1),o.save(),(r||a)&&o.translate(-1*r,-1*a),this.drawScene(s,void 0,h),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){return new Promise(((e,i)=>{try{const i=null==t?void 0:t.callback;i&&delete t.callback,g._urlToImage(this.toDataURL(t),(function(t){e(t),null==i||i(t)}))}catch(t){i(t)}}))}toBlob(t){return new Promise(((e,i)=>{try{const i=null==t?void 0:t.callback;i&&delete t.callback,this.toCanvas(t).toBlob((t=>{e(t),null==i||i(t)}),null==t?void 0:t.mimeType,null==t?void 0:t.quality)}catch(t){i(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():i.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})}addName(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.name(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.name(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(i.autoDrawEnabled){const t=this.getLayer()||this.getStage();null==t||t.batchDraw()}}_setAttr(t,e){var i=this.attrs[t];(i!==e||g.isObject(e))&&(null==e?delete this.attrs[t]:this.attrs[t]=e,this._shouldFireChangeEvents&&this._fireChangeEvent(t,i,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&&this.nodeType===W&&(e.target=this),!((t===B||t===H)&&(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i))){this._fire(t,e);var r=(t===B||t===H)&&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){var e,i,r;const a=null!==(e=this._cache.get(L))&&void 0!==e?e:{};let n=null==a?void 0:a[t];if(void 0===n){n=[];let e=Object.getPrototypeOf(this);for(;e;){const a=null!==(r=null===(i=e.eventListeners)||void 0===i?void 0:i[t])&&void 0!==r?r:[];n.push(...a),e=Object.getPrototypeOf(e)}a[t]=n,this._cache.set(L,a)}return n}_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();if(i){var a=i._getPointerById(e)||i._changedPointerPositions[0]||r;E._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){E._dragElements.has(this._id)||this._createDragElement(t);E._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=E._dragElements.get(this._id);e&&(e.dragStatus="stopped"),E._endDragBefore(t),E._endDragAfter(t)}setDraggable(t){this._setAttr("draggable",t),this._dragChange()}isDragging(){const t=E._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)||i.dragButtons.indexOf(t.evt.button)>=0)&&!this.isDragging()){var e=!1;E._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=E._dragElements.get(this._id),e=t&&"dragging"===t.dragStatus,i=t&&"ready"===t.dragStatus;e?this.stopDrag():i&&E._dragElements.delete(this._id)}}_dragCleanup(){this.off("mousedown.konva"),this.off("touchstart.konva")}isClientRectOnScreen(t={x:0,y:0}){const e=this.getStage();if(!e)return!1;const i={x:-t.x,y:-t.y,width:e.width()+2*t.x,height:e.height()+2*t.y};return g.haveIntersection(i,this.getClientRect())}static create(t,e){return g._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)}static _createNode(t,e){var r,a,n,s=V.prototype.getClassName.call(t),o=t.children;e&&(t.attrs.container=e),i[s]||(g.warn('Can not find a node with class name "'+s+'". Fallback to "Shape".'),s="Shape");if(r=new(0,i[s])(t.attrs),o)for(a=o.length,n=0;n<a;n++)r.add(V._createNode(o[n]));return r}}V.prototype.nodeType="Node",V.prototype._attrsAffectingSize=[],V.prototype.eventListeners={},V.prototype.on.call(V.prototype,j,(function(){this._batchingTransformChange?this._needClearTransformCache=!0:(this._clearCache(X),this._clearSelfAndDescendantCache(O))})),V.prototype.on.call(V.prototype,"visibleChange.konva",(function(){this._clearSelfAndDescendantCache(q)})),V.prototype.on.call(V.prototype,"listeningChange.konva",(function(){this._clearSelfAndDescendantCache(N)})),V.prototype.on.call(V.prototype,"opacityChange.konva",(function(){this._clearSelfAndDescendantCache(D)}));const K=w.addGetterSetter;K(V,"zIndex"),K(V,"absolutePosition"),K(V,"position"),K(V,"x",0,p()),K(V,"y",0,p()),K(V,"globalCompositeOperation","source-over",_()),K(V,"opacity",1,p()),K(V,"name","",_()),K(V,"id","",_()),K(V,"rotation",0,p()),w.addComponentsGetterSetter(V,"scale",["x","y"]),K(V,"scaleX",1,p()),K(V,"scaleY",1,p()),w.addComponentsGetterSetter(V,"skew",["x","y"]),K(V,"skewX",0,p()),K(V,"skewY",0,p()),w.addComponentsGetterSetter(V,"offset",["x","y"]),K(V,"offsetX",0,p()),K(V,"offsetY",0,p()),K(V,"dragDistance",null,p()),K(V,"width",0,p()),K(V,"height",0,p()),K(V,"listening",!0,x()),K(V,"preventDefault",!0,x()),K(V,"filters",null,(function(t){return this._filterUpToDate=!1,t})),K(V,"visible",!0,x()),K(V,"transformsEnabled","all",_()),K(V,"size"),K(V,"dragBoundFunc"),K(V,"draggable",!1,x()),w.backCompat(V,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"});class Q extends V{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._requestDraw(),this}destroyChildren(){return this.getChildren().forEach((t=>{t.parent=null,t.index=0,t.destroy()})),this.children=[],this._requestDraw(),this}add(...t){if(0===t.length)return this;if(t.length>1){for(var e=0;e<t.length;e++)this.add(t[e]);return this}const i=t[0];return i.getParent()?(i.moveTo(this),this):(this._validateAdd(i),i.index=this.getChildren().length,i.parent=this,i._clearCaches(),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=V.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=V.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((i=>{i.isVisible()&&i.intersects(t)&&e.push(i)})),e}_clearSelfAndDescendantCache(t){var e;super._clearSelfAndDescendantCache(t),this.isCached()||null===(e=this.children)||void 0===e||e.forEach((function(e){e._clearSelfAndDescendantCache(t)}))}_setChildrenIndices(){var t;null===(t=this.children)||void 0===t||t.forEach((function(t,e){t.index=e})),this._requestDraw()}drawScene(t,e,i){var r=this.getLayer(),a=t||r&&r.getCanvas(),n=a&&a.getContext(),s=this._getCanvasCache(),o=s&&s.scene,h=a&&a.isCache;if(!this.isVisible()&&!h)return this;if(o){n.save();var l=this.getAbsoluteTransform(e).getMatrix();n.transform(l[0],l[1],l[2],l[3],l[4],l[5]),this._drawCachedSceneCanvas(n),n.restore()}else this._drawChildren("drawScene",a,e,i);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,r){var a,n=e&&e.getContext(),s=this.clipWidth(),o=this.clipHeight(),h=this.clipFunc(),l="number"==typeof s&&"number"==typeof o||h;const d=i===this;if(l){n.save();var c=this.getAbsoluteTransform(i),g=c.getMatrix();let t;if(n.transform(g[0],g[1],g[2],g[3],g[4],g[5]),n.beginPath(),h)t=h.call(this,n,this);else{var u=this.clipX(),f=this.clipY();n.rect(u||0,f||0,s,o)}n.clip.apply(n,t),g=c.copy().invert().getMatrix(),n.transform(g[0],g[1],g[2],g[3],g[4],g[5])}var p=!d&&"source-over"!==this.globalCompositeOperation()&&"drawScene"===t;p&&(n.save(),n._applyGlobalCompositeOperation(this)),null===(a=this.children)||void 0===a||a.forEach((function(a){a[t](e,i,r)})),p&&n.restore(),l&&n.restore()}getClientRect(t={}){var e,i,r,a,n,s=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)}}w.addComponentsGetterSetter(Q,"clip",["x","y","width","height"]),w.addGetterSetter(Q,"clipX",void 0,p()),w.addGetterSetter(Q,"clipY",void 0,p()),w.addGetterSetter(Q,"clipWidth",void 0,p()),w.addGetterSetter(Q,"clipHeight",void 0,p()),w.addGetterSetter(Q,"clipFunc");const J=new Map,$=void 0!==i._global.PointerEvent;function Z(t){return J.get(t)}function tt(t){return{evt:t,pointerId:t.pointerId}}function et(t,e){return J.get(t)===e}function it(t,e){rt(t);e.getStage()&&(J.set(t,e),$&&e._fire("gotpointercapture",tt(new PointerEvent("gotpointercapture"))))}function rt(t,e){const i=J.get(t);if(!i)return;const r=i.getStage();r&&r.content,J.delete(t),$&&i._fire("lostpointercapture",tt(new PointerEvent("lostpointercapture")))}var at="mouseleave",nt="mouseover",st="mouseenter",ot="mousemove",ht="mousedown",lt="mouseup",dt="pointermove",ct="pointerdown",gt="pointerup",ut="pointercancel",ft="pointerout",pt="pointerleave",vt="pointerover",mt="pointerenter",_t="contextmenu",yt="touchstart",xt="touchend",bt="touchmove",St="touchcancel",wt="wheel",Ct=[[st,"_pointerenter"],[ht,"_pointerdown"],[ot,"_pointermove"],[lt,"_pointerup"],[at,"_pointerleave"],[yt,"_pointerdown"],[bt,"_pointermove"],[xt,"_pointerup"],[St,"_pointercancel"],[nt,"_pointerover"],[wt,"_wheel"],[_t,"_contextmenu"],[ct,"_pointerdown"],[dt,"_pointermove"],[gt,"_pointerup"],[ut,"_pointercancel"],["lostpointercapture","_lostpointercapture"]];const Pt={mouse:{[ft]:"mouseout",[pt]:at,[vt]:nt,[mt]:st,[dt]:ot,[ct]:ht,[gt]:lt,[ut]:"mousecancel",pointerclick:"click",pointerdblclick:"dblclick"},touch:{[ft]:"touchout",[pt]:"touchleave",[vt]:"touchover",[mt]:"touchenter",[dt]:bt,[ct]:yt,[gt]:xt,[ut]:St,pointerclick:"tap",pointerdblclick:"dbltap"},pointer:{[ft]:ft,[pt]:pt,[vt]:vt,[mt]:mt,[dt]:dt,[ct]:ct,[gt]:gt,[ut]:ut,pointerclick:"pointerclick",pointerdblclick:"pointerdblclick"}},kt=t=>t.indexOf("pointer")>=0?"pointer":t.indexOf("touch")>=0?"touch":"mouse",Tt=t=>{const e=kt(t);return"pointer"===e?i.pointerEventsEnabled&&Pt.pointer:"touch"===e?Pt.touch:"mouse"===e?Pt.mouse:void 0};function At(t={}){return(t.clipFunc||t.clipWidth||t.clipHeight)&&g.warn("Stage does not support clipping. Please use clip for Layers or Groups."),t}const Mt=[];class Gt extends Q{constructor(t){super(At(t)),this._pointerPositions=[],this._changedPointerPositions=[],this._buildDOM(),this._bindContentEvents(),Mt.push(this),this.on("widthChange.konva heightChange.konva",this._resizeDOM),this.on("visibleChange.konva",this._checkVisibility),this.on("clipWidthChange.konva clipHeightChange.konva clipFuncChange.konva",(()=>{At(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"),Q.prototype.clone.call(this,t)}destroy(){super.destroy();var t=this.content;t&&g._isInDocument(t)&&this.container().removeChild(t);var e=Mt.indexOf(this);return e>-1&&Mt.splice(e,1),g.releaseCanvas(this.bufferCanvas._canvas,this.bufferHitCanvas._canvas),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 G({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){if(!t)return null;var e,i=this.children;for(e=i.length-1;e>=0;e--){const r=i[e].getIntersection(t);if(r)return r}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 r=0;r<arguments.length;r++)this.add(arguments[r]);return this}super.add(t);var a=this.children.length;return a>5&&g.warn("The stage has "+a+" 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(),i.isBrowser&&this.content.appendChild(t.canvas._canvas),this}getParent(){return null}getLayer(){return null}hasPointerCapture(t){return et(t,this)}setPointerCapture(t){it(t,this)}releaseCapture(t){rt(t)}getLayers(){return this.children}_bindContentEvents(){i.isBrowser&&Ct.forEach((([t,e])=>{this.content.addEventListener(t,(t=>{this[e](t)}),{passive:!1})}))}_pointerenter(t){this.setPointersPositions(t);const e=Tt(t.type);e&&this._fire(e.pointerenter,{evt:t,target:this,currentTarget:this})}_pointerover(t){this.setPointersPositions(t);const e=Tt(t.type);e&&this._fire(e.pointerover,{evt:t,target:this,currentTarget:this})}_getTargetShape(t){let e=this[t+"targetShape"];return e&&!e.getStage()&&(e=null),e}_pointerleave(t){const e=Tt(t.type),r=kt(t.type);if(e){this.setPointersPositions(t);var a=this._getTargetShape(r),n=!(i.isDragging()||i.isTransforming())||i.hitOnDragEnabled;a&&n?(a._fireAndBubble(e.pointerout,{evt:t}),a._fireAndBubble(e.pointerleave,{evt:t}),this._fire(e.pointerleave,{evt:t,target:this,currentTarget:this}),this[r+"targetShape"]=null):n&&(this._fire(e.pointerleave,{evt:t,target:this,currentTarget:this}),this._fire(e.pointerout,{evt:t,target:this,currentTarget:this})),this.pointerPos=null,this._pointerPositions=[]}}_pointerdown(t){const e=Tt(t.type),r=kt(t.type);if(e){this.setPointersPositions(t);var a=!1;this._changedPointerPositions.forEach((n=>{var s=this.getIntersection(n);if(E.justDragged=!1,i["_"+r+"ListenClick"]=!0,!s||!s.isListening())return;i.capturePointerEventsEnabled&&s.setPointerCapture(n.id),this[r+"ClickStartShape"]=s,s._fireAndBubble(e.pointerdown,{evt:t,pointerId:n.id}),a=!0;const o=t.type.indexOf("touch")>=0;s.preventDefault()&&t.cancelable&&o&&t.preventDefault()})),a||this._fire(e.pointerdown,{evt:t,target:this,currentTarget:this,pointerId:this._pointerPositions[0].id})}}_pointermove(t){const e=Tt(t.type),r=kt(t.type);if(!e)return;if(i.isDragging()&&E.node.preventDefault()&&t.cancelable&&t.preventDefault(),this.setPointersPositions(t),!(!(i.isDragging()||i.isTransforming())||i.hitOnDragEnabled))return;var a={};let n=!1;var s=this._getTargetShape(r);this._changedPointerPositions.forEach((i=>{const o=Z(i.id)||this.getIntersection(i),h=i.id,l={evt:t,pointerId:h};var d=s!==o;if(d&&s&&(s._fireAndBubble(e.pointerout,{...l},o),s._fireAndBubble(e.pointerleave,{...l},o)),o){if(a[o._id])return;a[o._id]=!0}o&&o.isListening()?(n=!0,d&&(o._fireAndBubble(e.pointerover,{...l},s),o._fireAndBubble(e.pointerenter,{...l},s),this[r+"targetShape"]=o),o._fireAndBubble(e.pointermove,{...l})):s&&(this._fire(e.pointerover,{evt:t,target:this,currentTarget:this,pointerId:h}),this[r+"targetShape"]=null)})),n||this._fire(e.pointermove,{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id})}_pointerup(t){const e=Tt(t.type),r=kt(t.type);if(!e)return;this.setPointersPositions(t);const a=this[r+"ClickStartShape"],n=this[r+"ClickEndShape"];var s={};let o=!1;this._changedPointerPositions.forEach((h=>{const l=Z(h.id)||this.getIntersection(h);if(l){if(l.releaseCapture(h.id),s[l._id])return;s[l._id]=!0}const d=h.id,c={evt:t,pointerId:d};let g=!1;i["_"+r+"InDblClickWindow"]?(g=!0,clearTimeout(this[r+"DblTimeout"])):E.justDragged||(i["_"+r+"InDblClickWindow"]=!0,clearTimeout(this[r+"DblTimeout"])),this[r+"DblTimeout"]=setTimeout((function(){i["_"+r+"InDblClickWindow"]=!1}),i.dblClickWindow),l&&l.isListening()?(o=!0,this[r+"ClickEndShape"]=l,l._fireAndBubble(e.pointerup,{...c}),i["_"+r+"ListenClick"]&&a&&a===l&&(l._fireAndBubble(e.pointerclick,{...c}),g&&n&&n===l&&l._fireAndBubble(e.pointerdblclick,{...c}))):(this[r+"ClickEndShape"]=null,i["_"+r+"ListenClick"]&&this._fire(e.pointerclick,{evt:t,target:this,currentTarget:this,pointerId:d}),g&&this._fire(e.pointerdblclick,{evt:t,target:this,currentTarget:this,pointerId:d}))})),o||this._fire(e.pointerup,{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),i["_"+r+"ListenClick"]=!1,t.cancelable&&"touch"!==r&&t.preventDefault()}_contextmenu(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(_t,{evt:t}):this._fire(_t,{evt:t,target:this,currentTarget:this})}_wheel(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(wt,{evt:t}):this._fire(wt,{evt:t,target:this,currentTarget:this})}_pointercancel(t){this.setPointersPositions(t);const e=Z(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(gt,tt(t)),rt(t.pointerId)}_lostpointercapture(t){rt(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 G({width:this.width(),height:this.height()}),this.bufferHitCanvas=new R({pixelRatio:1,width:this.width(),height:this.height()}),i.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}}Gt.prototype.nodeType="Stage",r(Gt),w.addGetterSetter(Gt,"container");var Rt="hasShadow",Et="shadowRGBA",Dt="patternImage",Lt="linearGradient",Ot="radialGradient";let It;function Ft(){return It||(It=g.createCanvasElement().getContext("2d"),It)}const Nt={};class Bt extends V{constructor(t){let e;for(super(t);e=g.getRandomColor(),!e||e in Nt;);this.colorKey=e,Nt[e]=this}getContext(){return g.warn("shape.getContext() method is deprecated. Please do not use it."),this.getLayer().getContext()}getCanvas(){return g.warn("shape.getCanvas() method is deprecated. Please do not use it."),this.getLayer().getCanvas()}getSceneFunc(){return this.attrs.sceneFunc||this._sceneFunc}getHitFunc(){return this.attrs.hitFunc||this._hitFunc}hasShadow(){return this._getCache(Rt,this._hasShadow)}_hasShadow(){return this.shadowEnabled()&&0!==this.shadowOpacity()&&!!(this.shadowColor()||this.shadowBlur()||this.shadowOffsetX()||this.shadowOffsetY())}_getFillPattern(){return this._getCache(Dt,this.__getFillPattern)}__getFillPattern(){if(this.fillPatternImage()){const t=Ft().createPattern(this.fillPatternImage(),this.fillPatternRepeat()||"repeat");if(t&&t.setTransform){const e=new a;e.translate(this.fillPatternX(),this.fillPatternY()),e.rotate(i.getAngle(this.fillPatternRotation())),e.scale(this.fillPatternScaleX(),this.fillPatternScaleY()),e.translate(-1*this.fillPatternOffsetX(),-1*this.fillPatternOffsetY());const r=e.getMatrix(),n="undefined"==typeof DOMMatrix?{a:r[0],b:r[1],c:r[2],d:r[3],e:r[4],f:r[5]}:new DOMMatrix(r);t.setTransform(n)}return t}}_getLinearGradient(){return this._getCache(Lt,this.__getLinearGradient)}__getLinearGradient(){var t=this.fillLinearGradientColorStops();if(t){for(var e=Ft(),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(Ot,this.__getRadialGradient)}__getRadialGradient(){var t=this.fillRadialGradientColorStops();if(t){for(var e=Ft(),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(Et,this._getShadowRGBA)}_getShadowRGBA(){if(this.hasShadow()){var t=g.colorToRGBA(this.shadowColor());return t?"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.shadowOpacity()||1)+")":void 0}}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();if(!e)return!1;const i=e.bufferHitCanvas;i.getContext().clear(),this.drawHit(i,void 0,!0);return i.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]>0}destroy(){return V.prototype.destroy.call(this),delete Nt[this.colorKey],delete this.colorKey,this}_useBufferCanvas(t){var e;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={width:d+2*g,height:c+2*g,x:-(a/2+g)+Math.min(h,0)+r.x,y:-(a/2+g)+Math.min(l,0)+r.y};return e?u:this._transformedRect(u,i)}drawScene(t,e,i){var r,a,n=this.getLayer(),s=t||n.getCanvas(),o=s.getContext(),h=this._getCanvasCache(),l=this.getSceneFunc(),d=this.hasShadow(),c=s.isCache,g=e===this;if(!this.isVisible()&&!g)return this;if(h){o.save();var u=this.getAbsoluteTransform(e).getMatrix();return o.transform(u[0],u[1],u[2],u[3],u[4],u[5]),this._drawCachedSceneCanvas(o),o.restore(),this}if(!l)return this;if(o.save(),this._useBufferCanvas()&&!c){r=this.getStage();const t=i||r.bufferCanvas;(a=t.getContext()).clear(),a.save(),a._applyLineJoin(this);var f=this.getAbsoluteTransform(e).getMatrix();a.transform(f[0],f[1],f[2],f[3],f[4],f[5]),l.call(this,a,this),a.restore();var p=t.pixelRatio;d&&o._applyShadow(this),o._applyOpacity(this),o._applyGlobalCompositeOperation(this),o.drawImage(t._canvas,0,0,t.width/p,t.height/p)}else{if(o._applyLineJoin(this),!g){f=this.getAbsoluteTransform(e).getMatrix();o.transform(f[0],f[1],f[2],f[3],f[4],f[5]),o._applyOpacity(this),o._applyGlobalCompositeOperation(this)}d&&o._applyShadow(this),l.call(this,o,this)}return o.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 et(t,this)}setPointerCapture(t){it(t,this)}releaseCapture(t){rt(t)}}Bt.prototype._fillFunc=function(t){const e=this.attrs.fillRule;e?t.fill(e):t.fill()},Bt.prototype._strokeFunc=function(t){t.stroke()},Bt.prototype._fillFuncHit=function(t){t.fill()},Bt.prototype._strokeFuncHit=function(t){t.stroke()},Bt.prototype._centroid=!1,Bt.prototype.nodeType="Shape",r(Bt),Bt.prototype.eventListeners={},Bt.prototype.on.call(Bt.prototype,"shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Rt)})),Bt.prototype.on.call(Bt.prototype,"shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Et)})),Bt.prototype.on.call(Bt.prototype,"fillPriorityChange.konva fillPatternImageChange.konva fillPatternRepeatChange.konva fillPatternScaleXChange.konva fillPatternScaleYChange.konva fillPatternOffsetXChange.konva fillPatternOffsetYChange.konva fillPatternXChange.konva fillPatternYChange.konva fillPatternRotationChange.konva",(function(){this._clearCache(Dt)})),Bt.prototype.on.call(Bt.prototype,"fillPriorityChange.konva fillLinearGradientColorStopsChange.konva fillLinearGradientStartPointXChange.konva fillLinearGradientStartPointYChange.konva fillLinearGradientEndPointXChange.konva fillLinearGradientEndPointYChange.konva",(function(){this._clearCache(Lt)})),Bt.prototype.on.call(Bt.prototype,"fillPriorityChange.konva fillRadialGradientColorStopsChange.konva fillRadialGradientStartPointXChange.konva fillRadialGradientStartPointYChange.konva fillRadialGradientEndPointXChange.konva fillRadialGradientEndPointYChange.konva fillRadialGradientStartRadiusChange.konva fillRadialGradientEndRadiusChange.konva",(function(){this._clearCache(Ot)})),w.addGetterSetter(Bt,"stroke",void 0,y()),w.addGetterSetter(Bt,"strokeWidth",2,p()),w.addGetterSetter(Bt,"fillAfterStrokeEnabled",!1),w.addGetterSetter(Bt,"hitStrokeWidth","auto",m()),w.addGetterSetter(Bt,"strokeHitEnabled",!0,x()),w.addGetterSetter(Bt,"perfectDrawEnabled",!0,x()),w.addGetterSetter(Bt,"shadowForStrokeEnabled",!0,x()),w.addGetterSetter(Bt,"lineJoin"),w.addGetterSetter(Bt,"lineCap"),w.addGetterSetter(Bt,"sceneFunc"),w.addGetterSetter(Bt,"hitFunc"),w.addGetterSetter(Bt,"dash"),w.addGetterSetter(Bt,"dashOffset",0,p()),w.addGetterSetter(Bt,"shadowColor",void 0,_()),w.addGetterSetter(Bt,"shadowBlur",0,p()),w.addGetterSetter(Bt,"shadowOpacity",1,p()),w.addComponentsGetterSetter(Bt,"shadowOffset",["x","y"]),w.addGetterSetter(Bt,"shadowOffsetX",0,p()),w.addGetterSetter(Bt,"shadowOffsetY",0,p()),w.addGetterSetter(Bt,"fillPatternImage"),w.addGetterSetter(Bt,"fill",void 0,y()),w.addGetterSetter(Bt,"fillPatternX",0,p()),w.addGetterSetter(Bt,"fillPatternY",0,p()),w.addGetterSetter(Bt,"fillLinearGradientColorStops"),w.addGetterSetter(Bt,"strokeLinearGradientColorStops"),w.addGetterSetter(Bt,"fillRadialGradientStartRadius",0),w.addGetterSetter(Bt,"fillRadialGradientEndRadius",0),w.addGetterSetter(Bt,"fillRadialGradientColorStops"),w.addGetterSetter(Bt,"fillPatternRepeat","repeat"),w.addGetterSetter(Bt,"fillEnabled",!0),w.addGetterSetter(Bt,"strokeEnabled",!0),w.addGetterSetter(Bt,"shadowEnabled",!0),w.addGetterSetter(Bt,"dashEnabled",!0),w.addGetterSetter(Bt,"strokeScaleEnabled",!0),w.addGetterSetter(Bt,"fillPriority","color"),w.addComponentsGetterSetter(Bt,"fillPatternOffset",["x","y"]),w.addGetterSetter(Bt,"fillPatternOffsetX",0,p()),w.addGetterSetter(Bt,"fillPatternOffsetY",0,p()),w.addComponentsGetterSetter(Bt,"fillPatternScale",["x","y"]),w.addGetterSetter(Bt,"fillPatternScaleX",1,p()),w.addGetterSetter(Bt,"fillPatternScaleY",1,p()),w.addComponentsGetterSetter(Bt,"fillLinearGradientStartPoint",["x","y"]),w.addComponentsGetterSetter(Bt,"strokeLinearGradientStartPoint",["x","y"]),w.addGetterSetter(Bt,"fillLinearGradientStartPointX",0),w.addGetterSetter(Bt,"strokeLinearGradientStartPointX",0),w.addGetterSetter(Bt,"fillLinearGradientStartPointY",0),w.addGetterSetter(Bt,"strokeLinearGradientStartPointY",0),w.addComponentsGetterSetter(Bt,"fillLinearGradientEndPoint",["x","y"]),w.addComponentsGetterSetter(Bt,"strokeLinearGradientEndPoint",["x","y"]),w.addGetterSetter(Bt,"fillLinearGradientEndPointX",0),w.addGetterSetter(Bt,"strokeLinearGradientEndPointX",0),w.addGetterSetter(Bt,"fillLinearGradientEndPointY",0),w.addGetterSetter(Bt,"strokeLinearGradientEndPointY",0),w.addComponentsGetterSetter(Bt,"fillRadialGradientStartPoint",["x","y"]),w.addGetterSetter(Bt,"fillRadialGradientStartPointX",0),w.addGetterSetter(Bt,"fillRadialGradientStartPointY",0),w.addComponentsGetterSetter(Bt,"fillRadialGradientEndPoint",["x","y"]),w.addGetterSetter(Bt,"fillRadialGradientEndPointX",0),w.addGetterSetter(Bt,"fillRadialGradientEndPointY",0),w.addGetterSetter(Bt,"fillPatternRotation",0),w.addGetterSetter(Bt,"fillRule",void 0,_()),w.backCompat(Bt,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"});var Ht=[{x:0,y:0},{x:-1,y:-1},{x:1,y:-1},{x:1,y:1},{x:-1,y:1}],Wt=Ht.length;class zt extends Q{constructor(t){super(t),this.canvas=new G,this.hitCanvas=new R({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(){V.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(!V.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(V.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(V.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 V.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(),V.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){if(!this.isListening()||!this.isVisible())return null;for(var e=1,i=!1;;){for(let r=0;r<Wt;r++){const a=Ht[r],n=this._getIntersection({x:t.x+a.x*e,y:t.y+a.y*e}),s=n.shape;if(s)return s;if(i=!!n.antialiased,!n.antialiased)break}if(!i)return null;e+=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=Nt["#"+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(),Q.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(),Q.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)}}destroy(){return g.releaseCanvas(this.getNativeCanvasElement(),this.getHitCanvas()._canvas),super.destroy()}}zt.prototype.nodeType="Layer",r(zt),w.addGetterSetter(zt,"imageSmoothingEnabled",!0),w.addGetterSetter(zt,"clearBeforeDraw",!0),w.addGetterSetter(zt,"hitGraphEnabled",!0,x());class Yt extends zt{constructor(t){super(t),this.listening(!1),g.warn('Konva.Fast layer is deprecated. Please use "new Konva.Layer({ listening: false })" instead.')}}Yt.prototype.nodeType="FastLayer",r(Yt);class Xt extends Q{_validateAdd(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&g.throw("You may only add groups and shapes to groups.")}}Xt.prototype.nodeType="Group",r(Xt);const qt=e.performance&&e.performance.now?function(){return e.performance.now()}:function(){return(new Date).getTime()};class jt{constructor(t,e){this.id=jt.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:qt(),frameRate:0},this.func=t,this.setLayers(e)}setLayers(t){let e=[];return t&&(e=Array.isArray(t)?t:[t]),this.layers=e,this}getLayers(){return this.layers}addLayer(t){const e=this.layers,i=e.length;for(let r=0;r<i;r++)if(e[r]._id===t._id)return!1;return this.layers.push(t),!0}isRunning(){const t=jt.animations,e=t.length;for(let i=0;i<e;i++)if(t[i].id===this.id)return!0;return!1}start(){return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=qt(),jt._addAnimation(this),this}stop(){return jt._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){const e=t.id,i=this.animations,r=i.length;for(let t=0;t<r;t++)if(i[t].id===e){this.animations.splice(t,1);break}}static _runFrames(){const t={},e=this.animations;for(let i=0;i<e.length;i++){const r=e[i],a=r.layers,n=r.func;r._updateFrameObject(qt());const s=a.length;let o;if(o=!n||!1!==n.call(r,r.frame),o)for(let e=0;e<s;e++){const i=a[e];void 0!==i._id&&(t[i._id]=i)}}for(let e in t)t.hasOwnProperty(e)&&t[e].batchDraw()}static _animationLoop(){const t=jt;t.animations.length?(t._runFrames(),g.requestAnimFrame(t._animationLoop)):t.animRunning=!1}static _handleAnimation(){this.animRunning||(this.animRunning=!0,g.requestAnimFrame(this._animationLoop))}}jt.animations=[],jt.animIdCounter=0,jt.animRunning=!1;var Ut={node:1,duration:1,easing:1,onFinish:1,yoyo:1},Vt=0,Kt=["fill","stroke","shadowColor"];class Qt{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 Jt{constructor(t){var e,r,a=this,n=t.node,s=n._id,o=t.easing||$t.Linear,h=!!t.yoyo;e=void 0===t.duration?.3:0===t.duration?.001:t.duration,this.node=n,this._id=Vt++;var l=n.getLayer()||(n instanceof i.Stage?n.getLayers():null);for(r in l||g.error("Tween constructor have `node` that is not in a layer. Please add node into layer first."),this.anim=new jt((function(){a.tween.onEnterFrame()}),l),this.tween=new Qt(r,(function(t){a._tweenFunc(t)}),o,0,1,1e3*e,h),this._addListeners(),Jt.attrs[s]||(Jt.attrs[s]={}),Jt.attrs[s][this._id]||(Jt.attrs[s][this._id]={}),Jt.tweens[s]||(Jt.tweens[s]={}),t)void 0===Ut[r]&&this._addAttr(r,t[r]);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=Jt.tweens[c][t])&&delete Jt.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!==Kt.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;Jt.attrs[c][this._id][t]={start:i,diff:r,end:e,trueEnd:o,trueStart:h},Jt.tweens[c][t]=this._id}_tweenFunc(t){var e,i,r,a,n,s,o,h,l=this.node,d=Jt.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!==Kt.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=Jt.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=Jt.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=Jt.tweens[e];for(t in this.pause(),r)delete Jt.tweens[e][t];delete Jt.attrs[e][i]}}Jt.attrs={},Jt.tweens={},V.prototype.to=function(t){var e=t.onFinish;t.node=this,t.onFinish=function(){this.destroy(),e&&e()},new Jt(t).play()};const $t={BackEaseIn(t,e,i,r){var a=1.70158;return i*(t/=r)*t*((a+1)*t-a)+e},BackEaseOut(t,e,i,r){var a=1.70158;return i*((t=t/r-1)*t*((a+1)*t+a)+1)+e},BackEaseInOut(t,e,i,r){var a=1.70158;return(t/=r/2)<1?i/2*(t*t*((1+(a*=1.525))*t-a))+e:i/2*((t-=2)*t*((1+(a*=1.525))*t+a)+2)+e},ElasticEaseIn(t,e,i,r,a,n){var s=0;return 0===t?e:1==(t/=r)?e+i:(n||(n=.3*r),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),-a*Math.pow(2,10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)+e)},ElasticEaseOut(t,e,i,r,a,n){var s=0;return 0===t?e:1==(t/=r)?e+i:(n||(n=.3*r),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),a*Math.pow(2,-10*t)*Math.sin((t*r-s)*(2*Math.PI)/n)+i+e)},ElasticEaseInOut(t,e,i,r,a,n){var s=0;return 0===t?e:2==(t/=r/2)?e+i:(n||(n=r*(.3*1.5)),!a||a<Math.abs(i)?(a=i,s=n/4):s=n/(2*Math.PI)*Math.asin(i/a),t<1?a*Math.pow(2,10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)*-.5+e:a*Math.pow(2,-10*(t-=1))*Math.sin((t*r-s)*(2*Math.PI)/n)*.5+i+e)},BounceEaseOut:(t,e,i,r)=>(t/=r)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e,BounceEaseIn:(t,e,i,r)=>i-$t.BounceEaseOut(r-t,0,i,r)+e,BounceEaseInOut:(t,e,i,r)=>t<r/2?.5*$t.BounceEaseIn(2*t,0,i,r)+e:.5*$t.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},Zt=g._assign(i,{Util:g,Transform:a,Node:V,Container:Q,Stage:Gt,stages:Mt,Layer:zt,FastLayer:Yt,Group:Xt,DD:E,Shape:Bt,shapes:Nt,Animation:jt,Tween:Jt,Easings:$t,Context:P,Canvas:M});class te extends Bt{_sceneFunc(t){var e=i.getAngle(this.angle()),r=this.clockwise();t.beginPath(),t.arc(0,0,this.outerRadius(),0,e,r),t.arc(0,0,this.innerRadius(),e,0,!r),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)}getSelfRect(){const t=this.innerRadius(),e=this.outerRadius(),r=this.clockwise(),a=i.getAngle(r?360-this.angle():this.angle()),n=Math.cos(Math.min(a,Math.PI)),s=Math.sin(Math.min(Math.max(Math.PI,a),3*Math.PI/2)),o=Math.sin(Math.min(a,Math.PI/2)),h=n*(n>0?t:e),l=s*(s>0?t:e),d=o*(o>0?e:t);return{x:h,y:r?-1*d:l,width:1*e-h,height:d-l}}}function ee(t,e,i,r,a,n,s){var o=Math.sqrt(Math.pow(i-t,2)+Math.pow(r-e,2)),h=Math.sqrt(Math.pow(a-i,2)+Math.pow(n-r,2)),l=s*o/(o+h),d=s*h/(o+h);return[i-l*(a-t),r-l*(n-e),i+d*(a-t),r+d*(n-e)]}function ie(t,e){var i,r,a=t.length,n=[];for(i=2;i<a-2;i+=2)r=ee(t[i-2],t[i-1],t[i],t[i+1],t[i+2],t[i+3],e),isNaN(r[0])||(n.push(r[0]),n.push(r[1]),n.push(t[i]),n.push(t[i+1]),n.push(r[2]),n.push(r[3]));return n}te.prototype._centroid=!0,te.prototype.className="Arc",te.prototype._attrsAffectingSize=["innerRadius","outerRadius"],r(te),w.addGetterSetter(te,"innerRadius",0,p()),w.addGetterSetter(te,"outerRadius",0,p()),w.addGetterSetter(te,"angle",0,p()),w.addGetterSetter(te,"clockwise",!1,x());class re extends Bt{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():ie(this.points(),this.tension())}_getTensionPointsClosed(){var t=this.points(),e=t.length,i=this.tension(),r=ee(t[e-2],t[e-1],t[0],t[1],t[2],t[3],i),a=ee(t[e-4],t[e-3],t[e-2],t[e-1],t[0],t[1],i),n=ie(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}}}re.prototype.className="Line",re.prototype._attrsAffectingSize=["points","bezier","tension"],r(re),w.addGetterSetter(re,"closed",!1),w.addGetterSetter(re,"bezier",!1),w.addGetterSetter(re,"tension",0,p()),w.addGetterSetter(re,"points",[],function(){if(i.isUnminified)return function(t,e){const 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Make sure that all elements are numbers.")})):g.warn(u(t)+' is a not valid value for "'+e+'" attribute. 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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=ge.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=ge.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=ge.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:r,y:n,width:a-r,height:s-n}}getLength(){return this.pathLength}getPointAtLength(t){return ge.getPointAtLengthOfDataArray(t,this.dataArray)}static getLineLength(t,e,i,r){return Math.sqrt((i-t)*(i-t)+(r-e)*(r-e))}static getPathLength(t){let e=0;for(var i=0;i<t.length;++i)e+=t[i].pathLength;return e}static getPointAtLengthOfDataArray(t,e){var i,r=0,a=e.length;if(!a)return null;for(;r<a&&t>e[r].pathLength;)t-=e[r].pathLength,++r;if(r===a)return{x:(i=e[r-1].points.slice(-2))[0],y:i[1]};if(t<.01)return{x:(i=e[r].points.slice(0,2))[0],y:i[1]};var n=e[r],s=n.points;switch(n.command){case"L":return ge.getPointOnLine(t,n.start.x,n.start.y,s[0],s[1]);case"C":return ge.getPointOnCubicBezier(ce(t,ge.getPathLength(e),(t=>oe([n.start.x,s[0],s[2],s[4]],[n.start.y,s[1],s[3],s[5]],t))),n.start.x,n.start.y,s[0],s[1],s[2],s[3],s[4],s[5]);case"Q":return ge.getPointOnQuadraticBezier(ce(t,ge.getPathLength(e),(t=>he([n.start.x,s[0],s[2]],[n.start.y,s[1],s[3]],t))),n.start.x,n.start.y,s[0],s[1],s[2],s[3]);case"A":var o=s[0],h=s[1],l=s[2],d=s[3],c=s[4],g=s[5],u=s[6];return c+=g*t/n.pathLength,ge.getPointOnEllipticalArc(o,h,l,d,c,u)}return null}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++)if("00"!==o[f]){var v=parseFloat(o[f]);isNaN(v)?u.push(0):u.push(v)}else u.push(0,0);for(;u.length>0&&!isNaN(u[0]);){var m,_,y,x,b,S,w,C,P,k,T="",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 R=u.shift(),E=u.shift();if(h+=R,l+=E,T="M",s.length>2&&"z"===s[s.length-1].command)for(var D=s.length-2;D>=0;D--)if("M"===s[D].command){h=s[D].points[0]+R,l=s[D].points[1]+E;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=ge;switch(i){case"L":return h.getLineLength(t,e,r[0],r[1]);case"C":return oe([t,r[0],r[2],r[4]],[e,r[1],r[3],r[5]],1);case"Q":return he([t,r[0],r[2]],[e,r[1],r[3]],1);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]}}ge.prototype.className="Path",ge.prototype._attrsAffectingSize=["data"],r(ge),w.addGetterSetter(ge,"data");class ue extends re{_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=this.pointerLength(),h=i.length;if(a){const t=[r[r.length-4],r[r.length-3],r[r.length-2],r[r.length-1],i[h-2],i[h-1]],e=ge.calcLength(r[r.length-4],r[r.length-3],"C",t),a=ge.getPointOnQuadraticBezier(Math.min(1,1-o/e),t[0],t[1],t[2],t[3],t[4],t[5]);n=i[h-2]-a.x,s=i[h-1]-a.y}else n=i[h-2]-i[h-4],s=i[h-1]-i[h-3];var l=(Math.atan2(s,n)+e)%e,d=this.pointerWidth();this.pointerAtEnding()&&(t.save(),t.beginPath(),t.translate(i[h-2],i[h-1]),t.rotate(l),t.moveTo(0,0),t.lineTo(-o,d/2),t.lineTo(-o,-d/2),t.closePath(),t.restore(),this.__fillStroke(t)),this.pointerAtBeginning()&&(t.save(),t.beginPath(),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(-o,d/2),t.lineTo(-o,-d/2),t.closePath(),t.restore(),this.__fillStroke(t))}__fillStroke(t){var e=this.dashEnabled();e&&(this.attrs.dashEnabled=!1,t.setLineDash([])),t.fillStrokeShape(this),e&&(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}}}ue.prototype.className="Arrow",r(ue),w.addGetterSetter(ue,"pointerLength",10,p()),w.addGetterSetter(ue,"pointerWidth",10,p()),w.addGetterSetter(ue,"pointerAtBeginning",!1),w.addGetterSetter(ue,"pointerAtEnding",!0);class fe extends Bt{_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)}}fe.prototype._centroid=!0,fe.prototype.className="Circle",fe.prototype._attrsAffectingSize=["radius"],r(fe),w.addGetterSetter(fe,"radius",0,p());class pe extends Bt{_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)}}pe.prototype.className="Ellipse",pe.prototype._centroid=!0,pe.prototype._attrsAffectingSize=["radiusX","radiusY"],r(pe),w.addComponentsGetterSetter(pe,"radius",["x","y"]),w.addGetterSetter(pe,"radiusX",0,p()),w.addGetterSetter(pe,"radiusY",0,p());class ve extends Bt{constructor(t){super(t),this.on("imageChange.konva",(()=>{this._setImageLoad()})),this._setImageLoad()}_setImageLoad(){const t=this.image();t&&t.complete||t&&4===t.readyState||t&&t.addEventListener&&t.addEventListener("load",(()=>{this._requestDraw()}))}_useBufferCanvas(){return super._useBufferCanvas(!0)}_sceneFunc(t){const e=this.getWidth(),i=this.getHeight(),r=this.cornerRadius(),a=this.attrs.image;let n;if(a){const t=this.attrs.cropWidth,r=this.attrs.cropHeight;n=t&&r?[a,this.cropX(),this.cropY(),t,r,0,0,e,i]:[a,0,0,e,i]}(this.hasFill()||this.hasStroke()||r)&&(t.beginPath(),r?g.drawRoundedRectPath(t,e,i,r):t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)),a&&(r&&t.clip(),t.drawImage.apply(t,n))}_hitFunc(t){var e=this.width(),i=this.height(),r=this.cornerRadius();t.beginPath(),r?g.drawRoundedRectPath(t,e,i,r):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,i=null){var r=g.createImageElement();r.onload=function(){var t=new ve({image:r});e(t)},r.onerror=i,r.crossOrigin="Anonymous",r.src=t}}ve.prototype.className="Image",r(ve),w.addGetterSetter(ve,"cornerRadius",0,v(4)),w.addGetterSetter(ve,"image"),w.addComponentsGetterSetter(ve,"crop",["x","y","width","height"]),w.addGetterSetter(ve,"cropX",0,p()),w.addGetterSetter(ve,"cropY",0,p()),w.addGetterSetter(ve,"cropWidth",0,p()),w.addGetterSetter(ve,"cropHeight",0,p());var me=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width","height","pointerDirection","pointerWidth","pointerHeight"],_e="up",ye="right",xe="down",be="left",Se=me.length;class we extends Xt{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<Se;e++)t.on(me[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 _e:a=t/2,n=-1*s;break;case ye:a=t+r,n=e/2;break;case xe:a=t/2,n=e+s;break;case be: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})}}}we.prototype.className="Label",r(we);class Ce extends Bt{_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),r===_e&&(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),r===ye&&(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),r===xe&&(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),r===be&&(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 a===_e?(e-=r,s+=r):a===xe?s+=r:a===be?(t-=1.5*i,n+=i):a===ye&&(n+=1.5*i),{x:t,y:e,width:n,height:s}}}Ce.prototype.className="Tag",r(Ce),w.addGetterSetter(Ce,"pointerDirection","none"),w.addGetterSetter(Ce,"pointerWidth",0,p()),w.addGetterSetter(Ce,"pointerHeight",0,p()),w.addGetterSetter(Ce,"cornerRadius",0,v(4));class Pe extends Bt{_sceneFunc(t){var e=this.cornerRadius(),i=this.width(),r=this.height();t.beginPath(),e?g.drawRoundedRectPath(t,i,r,e):t.rect(0,0,i,r),t.closePath(),t.fillStrokeShape(this)}}Pe.prototype.className="Rect",r(Pe),w.addGetterSetter(Pe,"cornerRadius",0,v(4));class ke extends Bt{_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)}}ke.prototype.className="RegularPolygon",ke.prototype._centroid=!0,ke.prototype._attrsAffectingSize=["radius"],r(ke),w.addGetterSetter(ke,"radius",0,p()),w.addGetterSetter(ke,"sides",0,p());var Te=2*Math.PI;class Ae extends Bt{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.innerRadius(),0,Te,!1),t.moveTo(this.outerRadius(),0),t.arc(0,0,this.outerRadius(),Te,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)}}Ae.prototype.className="Ring",Ae.prototype._centroid=!0,Ae.prototype._attrsAffectingSize=["innerRadius","outerRadius"],r(Ae),w.addGetterSetter(Ae,"innerRadius",0,p()),w.addGetterSetter(Ae,"outerRadius",0,p());class Me extends Bt{constructor(t){super(t),this._updated=!0,this.anim=new jt((()=>{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)}}Me.prototype.className="Sprite",r(Me),w.addGetterSetter(Me,"animation"),w.addGetterSetter(Me,"animations"),w.addGetterSetter(Me,"frameOffsets"),w.addGetterSetter(Me,"image"),w.addGetterSetter(Me,"frameIndex",0,p()),w.addGetterSetter(Me,"frameRate",17,p()),w.backCompat(Me,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"});class Ge extends Bt{_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 Re(t){return Array.from(t)}Ge.prototype.className="Star",Ge.prototype._centroid=!0,Ge.prototype._attrsAffectingSize=["innerRadius","outerRadius"],r(Ge),w.addGetterSetter(Ge,"numPoints",5,p()),w.addGetterSetter(Ge,"innerRadius",0,p()),w.addGetterSetter(Ge,"outerRadius",0,p());var Ee,De="auto",Le="inherit",Oe="justify",Ie="left",Fe="middle",Ne="normal",Be=" ",He="none",We=["direction","fontFamily","fontSize","fontStyle","fontVariant","padding","align","verticalAlign","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],ze=We.length;function Ye(){return Ee||(Ee=g.createCanvasElement().getContext("2d"))}class Xe extends Bt{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<ze;e++)this.on(We[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=this.direction(),l=0,d=this.align(),c=this.getWidth(),g=this.letterSpacing(),u=this.fill(),f=this.textDecoration(),p=-1!==f.indexOf("underline"),v=-1!==f.indexOf("line-through"),m=0,_=(m=s/2,0),y=0;for("rtl"===(h=h===Le?t.direction:h)&&t.setAttr("direction",h),t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",Fe),t.setAttr("textAlign",Ie),o===Fe?l=(this.getHeight()-i*s-2*a)/2:"bottom"===o&&(l=this.getHeight()-i*s-2*a),t.translate(a,l+a),r=0;r<i;r++){_=0,y=0;var x,b,S,w=e[r],C=w.text,P=w.width,k=w.lastInParagraph;if(t.save(),"right"===d?_+=c-P-2*a:"center"===d&&(_+=(c-P-2*a)/2),p){t.save(),t.beginPath(),t.moveTo(_,m+y+Math.round(n/2)),b=0===(x=C.split(" ").length-1),S=d!==Oe||k?P:c-2*a,t.lineTo(_+Math.round(S),m+y+Math.round(n/2)),t.lineWidth=n/15;const e=this._getLinearGradient();t.strokeStyle=e||u,t.stroke(),t.restore()}if(v){t.save(),t.beginPath(),t.moveTo(_,m+y),b=0===(x=C.split(" ").length-1),S=d===Oe&&k&&!b?c-2*a:P,t.lineTo(_+Math.round(S),m+y),t.lineWidth=n/15;const e=this._getLinearGradient();t.strokeStyle=e||u,t.stroke(),t.restore()}if("rtl"===h||0===g&&d!==Oe)0!==g&&t.setAttr("letterSpacing",`${g}px`),this._partialTextX=_,this._partialTextY=m+y,this._partialText=C,t.fillStrokeShape(this);else{x=C.split(" ").length-1;for(var T=Re(C),A=0;A<T.length;A++){var M=T[A];" "!==M||k||d!==Oe||(_+=(c-2*a-P)/x),this._partialTextX=_,this._partialTextY=m+y,this._partialText=M,t.fillStrokeShape(this),_+=this.measureSize(M).width+g}}t.restore(),i>1&&(m+=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 this.attrs.width===De||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width}getHeight(){return this.attrs.height===De||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=Ye(),r=this.fontSize();return i.save(),i.font=this._getContextFont(),e=i.measureText(t),i.restore(),{width:e.width,height:r}}_getContextFont(){return this.fontStyle()+Be+this.fontVariant()+Be+(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){this.align()===Oe&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e,lastInParagraph:!1})}_getTextWidth(t){var e=this.letterSpacing(),i=t.length;return Ye().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=a!==De&&void 0!==a,o=n!==De&&void 0!==n,h=this.padding(),l=a-2*h,d=n-2*h,c=0,g=this.wrap(),u="char"!==g&&g!==He,f=this.ellipsis();this.textArr=[],Ye().font=this._getContextFont();for(var p=f?this._getTextWidth("…"):0,v=0,m=t.length;v<m;++v){var _=t[v],y=this._getTextWidth(_);if(s&&y>l)for(;_.length>0;){for(var x=0,b=_.length,S="",w=0;x<b;){var C=x+b>>>1,P=_.slice(0,C+1),k=this._getTextWidth(P)+p;k<=l?(x=C+1,S=P,w=k):b=C}if(!S)break;if(u){var T,A=_[S.length];(T=(A===Be||"-"===A)&&w<=l?S.length:Math.max(S.lastIndexOf(Be),S.lastIndexOf("-"))+1)>0&&(x=T,S=S.slice(0,x),w=this._getTextWidth(S))}if(S=S.trimRight(),this._addTextLine(S),i=Math.max(i,w),c+=r,this._shouldHandleEllipsis(c)){this._tryToAddEllipsisToLastLine();break}if((_=(_=_.slice(x)).trimLeft()).length>0&&(y=this._getTextWidth(_))<=l){this._addTextLine(_),c+=r,i=Math.max(i,y);break}}else this._addTextLine(_),c+=r,i=Math.max(i,y),this._shouldHandleEllipsis(c)&&v<m-1&&this._tryToAddEllipsisToLastLine();if(this.textArr[this.textArr.length-1]&&(this.textArr[this.textArr.length-1].lastInParagraph=!0),o&&c+r>d)break}this.textHeight=e,this.textWidth=i}_shouldHandleEllipsis(t){var e=+this.fontSize(),i=this.lineHeight()*e,r=this.attrs.height,a=r!==De&&void 0!==r,n=r-2*this.padding();return!(this.wrap()!==He)||a&&t+i>n}_tryToAddEllipsisToLastLine(){var t=this.attrs.width,e=t!==De&&void 0!==t,i=t-2*this.padding(),r=this.ellipsis(),a=this.textArr[this.textArr.length-1];if(a&&r){if(e)this._getTextWidth(a.text+"…")<i||(a.text=a.text.slice(0,a.text.length-3));this.textArr.splice(this.textArr.length-1,1),this._addTextLine(a.text+"…")}}getStrokeScaleEnabled(){return!0}_useBufferCanvas(){const t=-1!==this.textDecoration().indexOf("underline")||-1!==this.textDecoration().indexOf("line-through"),e=this.hasShadow();return!(!t||!e)||super._useBufferCanvas()}}Xe.prototype._fillFunc=function(t){t.fillText(this._partialText,this._partialTextX,this._partialTextY)},Xe.prototype._strokeFunc=function(t){t.setAttr("miterLimit",2),t.strokeText(this._partialText,this._partialTextX,this._partialTextY)},Xe.prototype.className="Text",Xe.prototype._attrsAffectingSize=["text","fontSize","padding","wrap","lineHeight","letterSpacing"],r(Xe),w.overWriteSetter(Xe,"width",m()),w.overWriteSetter(Xe,"height",m()),w.addGetterSetter(Xe,"direction",Le),w.addGetterSetter(Xe,"fontFamily","Arial"),w.addGetterSetter(Xe,"fontSize",12,p()),w.addGetterSetter(Xe,"fontStyle",Ne),w.addGetterSetter(Xe,"fontVariant",Ne),w.addGetterSetter(Xe,"padding",0,p()),w.addGetterSetter(Xe,"align",Ie),w.addGetterSetter(Xe,"verticalAlign","top"),w.addGetterSetter(Xe,"lineHeight",1,p()),w.addGetterSetter(Xe,"wrap","word"),w.addGetterSetter(Xe,"ellipsis",!1,x()),w.addGetterSetter(Xe,"letterSpacing",0,p()),w.addGetterSetter(Xe,"text","",_()),w.addGetterSetter(Xe,"textDecoration","");var qe="normal";function je(t){t.fillText(this.partialText,0,0)}function Ue(t){t.strokeText(this.partialText,0,0)}class Ve extends Bt{constructor(t){super(t),this.dummyCanvas=g.createCanvasElement(),this.dataArray=[],this._readDataAttribute(),this.on("dataChange.konva",(function(){this._readDataAttribute(),this._setTextData()})),this.on("textChange.konva alignChange.konva letterSpacingChange.konva kerningFuncChange.konva fontSizeChange.konva fontFamilyChange.konva",this._setTextData),this._setTextData()}_getTextPathLength(){return ge.getPathLength(this.dataArray)}_getPointAtLength(t){if(!this.attrs.data)return null;return t-1>this.pathLength?null:ge.getPointAtLengthOfDataArray(t,this.dataArray)}_readDataAttribute(){this.dataArray=ge.parsePathData(this.attrs.data),this.pathLength=this._getTextPathLength()}_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 Xe.prototype.setText.call(this,t)}_getContextFont(){return Xe.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.fontSize()}`,10)}}_setTextData(){const{width:t,height:e}=this._getTextSize(this.attrs.text);if(this.textWidth=t,this.textHeight=e,this.glyphInfo=[],!this.attrs.data)return null;const i=this.letterSpacing(),r=this.align(),a=this.kerningFunc(),n=Math.max(this.textWidth+((this.attrs.text||"").length-1)*i,0);let s=0;"center"===r&&(s=Math.max(0,this.pathLength/2-n/2)),"right"===r&&(s=Math.max(0,this.pathLength-n));const o=Re(this.text());let h=s;for(var l=0;l<o.length;l++){const t=this._getPointAtLength(h);if(!t)return;let e=this._getTextSize(o[l]).width+i;if(" "===o[l]&&"justify"===r){const t=this.text().split(" ").length-1;e+=(this.pathLength-n)/t}const s=this._getPointAtLength(h+e);if(!s)return;const d=ge.getLineLength(t.x,t.y,s.x,s.y);let c=0;if(a)try{c=a(o[l-1],o[l])*this.fontSize()}catch(t){c=0}t.x+=c,s.x+=c,this.textWidth+=c;const g=ge.getPointOnLine(c+d/2,t.x,t.y,s.x,s.y),u=Math.atan2(s.y-t.y,s.x-t.x);this.glyphInfo.push({transposeX:g.x,transposeY:g.y,text:o[l],rotation:u,p0:t,p1:s}),h+=e}}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}}destroy(){return g.releaseCanvas(this.dummyCanvas),super.destroy()}}Ve.prototype._fillFunc=je,Ve.prototype._strokeFunc=Ue,Ve.prototype._fillFuncHit=je,Ve.prototype._strokeFuncHit=Ue,Ve.prototype.className="TextPath",Ve.prototype._attrsAffectingSize=["text","fontSize","data"],r(Ve),w.addGetterSetter(Ve,"data"),w.addGetterSetter(Ve,"fontFamily","Arial"),w.addGetterSetter(Ve,"fontSize",12,p()),w.addGetterSetter(Ve,"fontStyle",qe),w.addGetterSetter(Ve,"align","left"),w.addGetterSetter(Ve,"letterSpacing",0,p()),w.addGetterSetter(Ve,"textBaseline","middle"),w.addGetterSetter(Ve,"fontVariant",qe),w.addGetterSetter(Ve,"text",""),w.addGetterSetter(Ve,"textDecoration",null),w.addGetterSetter(Ve,"kerningFunc",null);var Ke="tr-konva",Qe=["resizeEnabledChange","rotateAnchorOffsetChange","rotateEnabledChange","enabledAnchorsChange","anchorSizeChange","borderEnabledChange","borderStrokeChange","borderStrokeWidthChange","borderDashChange","anchorStrokeChange","anchorStrokeWidthChange","anchorFillChange","anchorCornerRadiusChange","ignoreStrokeChange","anchorStyleFuncChange"].map((t=>t+`.${Ke}`)).join(" "),Je="nodesRect",$e=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"],Ze={"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 ti="ontouchstart"in i._global;var ei=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"];function ii(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{...t,rotation:t.rotation+e,x:r,y:a}}function ri(t,e){const i=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);return ii(t,e,i)}let ai=0;class ni extends Xt{constructor(t){super(t),this._movingAnchorName=null,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(Qe,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]}_getEventNamespace(){return Ke+this._id}setNodes(t=[]){this._nodes&&this._nodes.length&&this.detach();const e=t.filter((t=>!t.isAncestorOf(this)||(g.error("Konva.Transformer cannot be an a child of the node you are trying to attach"),!1)));return this._nodes=t=e,1===t.length&&this.useSingleNodeRotation()?this.rotation(t[0].getAbsoluteRotation()):this.rotation(0),this._nodes.forEach((t=>{const e=()=>{1===this.nodes().length&&this.useSingleNodeRotation()&&this.rotation(this.nodes()[0].getAbsoluteRotation()),this._resetTransformCache(),this._transforming||this.isDragging()||this.update()},i=t._attrsAffectingSize.map((t=>t+"Change."+this._getEventNamespace())).join(" ");t.on(i,e),t.on($e.map((t=>t+`.${this._getEventNamespace()}`)).join(" "),e),t.on(`absoluteTransformChange.${this._getEventNamespace()}`,e),this._proxyDrag(t)})),this._resetTransformCache(),!!this.findOne(".top-left")&&this.update(),this}_proxyDrag(t){let e;t.on(`dragstart.${this._getEventNamespace()}`,(i=>{e=t.getAbsolutePosition(),this.isDragging()||t===this.findOne(".back")||this.startDrag(i,!1)})),t.on(`dragmove.${this._getEventNamespace()}`,(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("."+this._getEventNamespace())})),this._nodes=[],this._resetTransformCache()}_resetTransformCache(){this._clearCache(Je),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}_getNodeRect(){return this._getCache(Je,this.__getNodeRect)}__getNodeShape(t,e=this.rotation(),r){var a=t.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),n=t.getAbsoluteScale(r),s=t.getAbsolutePosition(r),o=a.x*n.x-t.offsetX()*n.x,h=a.y*n.y-t.offsetY()*n.y;const l=(i.getAngle(t.getAbsoluteRotation())+2*Math.PI)%(2*Math.PI);return ii({x:s.x+o*Math.cos(l)+h*Math.sin(-l),y:s.y+h*Math.cos(l)+o*Math.sin(l),width:a.width*n.x,height:a.height*n.y,rotation:l},-i.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 a;e.rotate(-i.getAngle(this.rotation()));var r=1/0,n=1/0,s=-1/0,o=-1/0;t.forEach((function(t){var i=e.point(t);void 0===r&&(r=s=i.x,n=o=i.y),r=Math.min(r,i.x),n=Math.min(n,i.y),s=Math.max(s,i.x),o=Math.max(o,i.y)})),e.invert();const h=e.point({x:r,y:n});return{x:h.x,y:h.y,width:s-r,height:o-n,rotation:i.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(),ei.forEach((t=>{this._createAnchor(t)})),this._createAnchor("rotater")}_createAnchor(t){var e=new Pe({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:t+" _anchor",dragDistance:0,draggable:!0,hitStrokeWidth:ti?10:"auto"}),r=this;e.on("mousedown touchstart",(function(t){r._handleMouseDown(t)})),e.on("dragstart",(t=>{e.stopDrag(),t.cancelBubble=!0})),e.on("dragend",(t=>{t.cancelBubble=!0})),e.on("mouseenter",(()=>{var r=i.getAngle(this.rotation()),a=this.rotateAnchorCursor(),n=function(t,e,i){if("rotater"===t)return i;e+=g.degToRad(Ze[t]||0);var r=(g.radToDeg(e)%360+360)%360;return g._inRange(r,337.5,360)||g._inRange(r,0,22.5)?"ns-resize":g._inRange(r,22.5,67.5)?"nesw-resize":g._inRange(r,67.5,112.5)?"ew-resize":g._inRange(r,112.5,157.5)?"nwse-resize":g._inRange(r,157.5,202.5)?"ns-resize":g._inRange(r,202.5,247.5)?"nesw-resize":g._inRange(r,247.5,292.5)?"ew-resize":g._inRange(r,292.5,337.5)?"nwse-resize":(g.error("Transformer has unknown angle for cursor detection: "+r),"pointer")}(t,r,a);e.getStage().content&&(e.getStage().content.style.cursor=n),this._cursorChange=!0})),e.on("mouseout",(()=>{e.getStage().content&&(e.getStage().content.style.cursor=""),this._cursorChange=!1})),this.add(e)}_createBack(){var t=new Bt({name:"back",width:0,height:0,draggable:!0,sceneFunc(t,e){var i=e.getParent(),r=i.padding();t.beginPath(),t.rect(-r,-r,e.width()+2*r,e.height()+2*r),t.moveTo(e.width()/2,-r),i.rotateEnabled()&&i.rotateLineVisible()&&t.lineTo(e.width()/2,-i.rotateAnchorOffset()*g._sign(e.height())-r),t.fillStrokeShape(e)},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})),this.on("dragmove",(t=>{this.update()}))}_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},ai++,this._fire("transformstart",{evt:t.evt,target:this.getNode()}),this._nodes.forEach((e=>{e._fire("transformstart",{evt:t.evt,target:e})}))}_handleMouseMove(t){var e,r,a,n=this.findOne("."+this._movingAnchorName),s=n.getStage();s.setPointersPositions(t);const o=s.getPointerPosition();let h={x:o.x-this._anchorDragOffset.x,y:o.y-this._anchorDragOffset.y};const l=n.getAbsolutePosition();this.anchorDragBoundFunc()&&(h=this.anchorDragBoundFunc()(l,h,t)),n.setAbsolutePosition(h);const d=n.getAbsolutePosition();if(l.x!==d.x||l.y!==d.y)if("rotater"!==this._movingAnchorName){var c,g=this.shiftBehavior();c="inverted"===g?this.keepRatio()&&!t.shiftKey:"none"===g?this.keepRatio():this.keepRatio()||t.shiftKey;var u=this.centeredScaling()||t.altKey;if("top-left"===this._movingAnchorName){if(c){var f=u?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-right").x(),y:this.findOne(".bottom-right").y()};a=Math.sqrt(Math.pow(f.x-n.x(),2)+Math.pow(f.y-n.y(),2));var p=this.findOne(".top-left").x()>f.x?-1:1,v=this.findOne(".top-left").y()>f.y?-1:1;e=a*this.cos*p,r=a*this.sin*v,this.findOne(".top-left").x(f.x-e),this.findOne(".top-left").y(f.y-r)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(n.y());else if("top-right"===this._movingAnchorName){if(c){f=u?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-left").x(),y:this.findOne(".bottom-left").y()};a=Math.sqrt(Math.pow(n.x()-f.x,2)+Math.pow(f.y-n.y(),2));p=this.findOne(".top-right").x()<f.x?-1:1,v=this.findOne(".top-right").y()>f.y?-1:1;e=a*this.cos*p,r=a*this.sin*v,this.findOne(".top-right").x(f.x+e),this.findOne(".top-right").y(f.y-r)}var m=n.position();this.findOne(".top-left").y(m.y),this.findOne(".bottom-right").x(m.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){f=u?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-right").x(),y:this.findOne(".top-right").y()};a=Math.sqrt(Math.pow(f.x-n.x(),2)+Math.pow(n.y()-f.y,2));p=f.x<n.x()?-1:1,v=n.y()<f.y?-1:1;e=a*this.cos*p,r=a*this.sin*v,n.x(f.x-e),n.y(f.y+r)}m=n.position(),this.findOne(".top-left").x(m.x),this.findOne(".bottom-right").y(m.y)}else if("bottom-center"===this._movingAnchorName)this.findOne(".bottom-right").y(n.y());else if("bottom-right"===this._movingAnchorName){if(c){f=u?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-left").x(),y:this.findOne(".top-left").y()};a=Math.sqrt(Math.pow(n.x()-f.x,2)+Math.pow(n.y()-f.y,2));p=this.findOne(".bottom-right").x()<f.x?-1:1,v=this.findOne(".bottom-right").y()<f.y?-1:1;e=a*this.cos*p,r=a*this.sin*v,this.findOne(".bottom-right").x(f.x+e),this.findOne(".bottom-right").y(f.y+r)}}else console.error(new Error("Wrong position argument of selection resizer: "+this._movingAnchorName));if(u=this.centeredScaling()||t.altKey){var _=this.findOne(".top-left"),y=this.findOne(".bottom-right"),x=_.x(),b=_.y(),S=this.getWidth()-y.x(),w=this.getHeight()-y.y();y.move({x:-x,y:-b}),_.move({x:S,y:w})}var C=this.findOne(".top-left").getAbsolutePosition();e=C.x,r=C.y;var P=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),k=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodesInto({x:e,y:r,width:P,height:k,rotation:i.getAngle(this.rotation())},t)}else{var T=this._getNodeRect();e=n.x()-T.width/2,r=-n.y()+T.height/2;let a=Math.atan2(-r,e)+Math.PI/2;T.height<0&&(a-=Math.PI);const s=i.getAngle(this.rotation())+a,o=i.getAngle(this.rotationSnapTolerance()),h=ri(T,function(t,e,r){let a=e;for(let n=0;n<t.length;n++){const s=i.getAngle(t[n]),o=Math.abs(s-e)%(2*Math.PI);Math.min(o,2*Math.PI-o)<r&&(a=s)}return a}(this.rotationSnaps(),s,o)-T.rotation);this._fitNodesInto(h,t)}}_handleMouseUp(t){this._removeEvents(t)}getAbsoluteTransform(){return this.getTransform()}_removeEvents(t){var e;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 i=this.getNode();ai--,this._fire("transformend",{evt:t,target:i}),null===(e=this.getLayer())||void 0===e||e.batchDraw(),i&&this._nodes.forEach((e=>{var i;e._fire("transformend",{evt:t,target:e}),null===(i=e.getLayer())||void 0===i||i.batchDraw()})),this._movingAnchorName=null}}_fitNodesInto(t,e){var r=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 n=new a;if(n.rotate(i.getAngle(this.rotation())),this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("left")>=0){const e=n.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=n.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=n.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=n.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()(r,t);e?t=e:g.warn("boundBoxFunc returned falsy. You should return new bound rect from it!")}const s=1e7,o=new a;o.translate(r.x,r.y),o.rotate(r.rotation),o.scale(r.width/s,r.height/s);const h=new a,l=t.width/s,d=t.height/s;!1===this.flipEnabled()?(h.translate(t.x,t.y),h.rotate(t.rotation),h.translate(t.width<0?t.width:0,t.height<0?t.height:0),h.scale(Math.abs(l),Math.abs(d))):(h.translate(t.x,t.y),h.rotate(t.rotation),h.scale(l,d));const c=h.multiply(o.invert());this._nodes.forEach((t=>{var e;const i=t.getParent().getAbsoluteTransform(),r=t.getTransform().copy();r.translate(t.offsetX(),t.offsetY());const n=new a;n.multiply(i.copy().invert()).multiply(c).multiply(i).multiply(r);const s=n.decompose();t.setAttrs(s),null===(e=t.getLayer())||void 0===e||e.batchDraw()})),this.rotation(g._getRotation(t.rotation)),this._nodes.forEach((t=>{this._fire("transform",{evt:e,target:t}),t._fire("transform",{evt:e,target:t})})),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();const h=this.find("._anchor");h.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});const l=this.anchorStyleFunc();l&&h.forEach((t=>{l(t)})),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=""),Xt.prototype.destroy.call(this),this.detach(),this._removeEvents(),this}toObject(){return V.prototype.toObject.call(this)}clone(t){return V.prototype.clone.call(this,t)}getClientRect(){return this.nodes().length>0?super.getClientRect():{x:0,y:0,width:0,height:0}}}ni.isTransforming=()=>ai>0,ni.prototype.className="Transformer",r(ni),w.addGetterSetter(ni,"enabledAnchors",ei,(function(t){return t instanceof Array||g.warn("enabledAnchors value should be an array"),t instanceof Array&&t.forEach((function(t){-1===ei.indexOf(t)&&g.warn("Unknown anchor name: "+t+". Available names are: "+ei.join(", "))})),t||[]})),w.addGetterSetter(ni,"flipEnabled",!0,x()),w.addGetterSetter(ni,"resizeEnabled",!0),w.addGetterSetter(ni,"anchorSize",10,p()),w.addGetterSetter(ni,"rotateEnabled",!0),w.addGetterSetter(ni,"rotateLineVisible",!0),w.addGetterSetter(ni,"rotationSnaps",[]),w.addGetterSetter(ni,"rotateAnchorOffset",50,p()),w.addGetterSetter(ni,"rotateAnchorCursor","crosshair"),w.addGetterSetter(ni,"rotationSnapTolerance",5,p()),w.addGetterSetter(ni,"borderEnabled",!0),w.addGetterSetter(ni,"anchorStroke","rgb(0, 161, 255)"),w.addGetterSetter(ni,"anchorStrokeWidth",1,p()),w.addGetterSetter(ni,"anchorFill","white"),w.addGetterSetter(ni,"anchorCornerRadius",0,p()),w.addGetterSetter(ni,"borderStroke","rgb(0, 161, 255)"),w.addGetterSetter(ni,"borderStrokeWidth",1,p()),w.addGetterSetter(ni,"borderDash"),w.addGetterSetter(ni,"keepRatio",!0),w.addGetterSetter(ni,"shiftBehavior","default"),w.addGetterSetter(ni,"centeredScaling",!1),w.addGetterSetter(ni,"ignoreStroke",!1),w.addGetterSetter(ni,"padding",0,p()),w.addGetterSetter(ni,"node"),w.addGetterSetter(ni,"nodes"),w.addGetterSetter(ni,"boundBoxFunc"),w.addGetterSetter(ni,"anchorDragBoundFunc"),w.addGetterSetter(ni,"anchorStyleFunc"),w.addGetterSetter(ni,"shouldOverdrawWholeArea",!1),w.addGetterSetter(ni,"useSingleNodeRotation",!0),w.backCompat(ni,{lineEnabled:"borderEnabled",rotateHandlerOffset:"rotateAnchorOffset",enabledHandlers:"enabledAnchors"});class si extends Bt{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.radius(),0,i.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 oi(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}si.prototype.className="Wedge",si.prototype._centroid=!0,si.prototype._attrsAffectingSize=["radius"],r(si),w.addGetterSetter(si,"radius",0,p()),w.addGetterSetter(si,"angle",0,p()),w.addGetterSetter(si,"clockwise",!1),w.backCompat(si,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"});var 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di(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}w.addGetterSetter(V,"embossStrength",.5,p(),w.afterSetFilter),w.addGetterSetter(V,"embossWhiteLevel",.5,p(),w.afterSetFilter),w.addGetterSetter(V,"embossDirection","top-left",null,w.afterSetFilter),w.addGetterSetter(V,"embossBlend",!1,null,w.afterSetFilter);w.addGetterSetter(V,"enhance",0,p(),w.afterSetFilter);w.addGetterSetter(V,"hue",0,p(),w.afterSetFilter),w.addGetterSetter(V,"saturation",0,p(),w.afterSetFilter),w.addGetterSetter(V,"luminance",0,p(),w.afterSetFilter);w.addGetterSetter(V,"hue",0,p(),w.afterSetFilter),w.addGetterSetter(V,"saturation",0,p(),w.afterSetFilter),w.addGetterSetter(V,"value",0,p(),w.afterSetFilter);function ci(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 gi(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))}w.addGetterSetter(V,"kaleidoscopePower",2,p(),w.afterSetFilter),w.addGetterSetter(V,"kaleidoscopeAngle",0,p(),w.afterSetFilter);w.addGetterSetter(V,"threshold",0,p(),w.afterSetFilter);w.addGetterSetter(V,"noise",.2,p(),w.afterSetFilter);w.addGetterSetter(V,"pixelSize",8,p(),w.afterSetFilter);w.addGetterSetter(V,"levels",.5,p(),w.afterSetFilter);w.addGetterSetter(V,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(V,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(V,"blue",0,f,w.afterSetFilter);w.addGetterSetter(V,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(V,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(V,"blue",0,f,w.afterSetFilter),w.addGetterSetter(V,"alpha",1,(function(t){return this._filterUpToDate=!1,t>1?1:t<0?0:t}));w.addGetterSetter(V,"threshold",.5,p(),w.afterSetFilter);return Zt.Util._assign(Zt,{Arc:te,Arrow:ue,Circle:fe,Ellipse:pe,Image:ve,Label:we,Tag:Ce,Line:re,Path:ge,Rect:Pe,RegularPolygon:ke,Ring:Ae,Sprite:Me,Star:Ge,Text:Xe,TextPath:Ve,Transformer:ni,Wedge:si,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,R=A-1,E=e+1,D=E*(E+1)/2,L=new oi,O=null,I=L,F=null,N=null,B=hi[e],H=li[e];for(a=1;a<M;a++)I=I.next=new oi,a===E&&(O=I);for(I.next=L,h=o=0,r=0;r<A;r++){for(m=_=y=x=l=d=c=g=0,u=E*(b=k[o]),f=E*(S=k[o+1]),p=E*(w=k[o+2]),v=E*(C=k[o+3]),l+=D*b,d+=D*S,c+=D*w,g+=D*C,I=L,a=0;a<E;a++)I.r=b,I.g=S,I.b=w,I.a=C,I=I.next;for(a=1;a<E;a++)n=o+((G<a?G:a)<<2),l+=(I.r=b=k[n])*(P=E-a),d+=(I.g=S=k[n+1])*P,c+=(I.b=w=k[n+2])*P,g+=(I.a=C=k[n+3])*P,m+=b,_+=S,y+=w,x+=C,I=I.next;for(F=L,N=O,i=0;i<T;i++)k[o+3]=C=g*B>>H,0!==C?(C=255/C,k[o]=(l*B>>H)*C,k[o+1]=(d*B>>H)*C,k[o+2]=(c*B>>H)*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=N.r,f+=S=N.g,p+=w=N.b,v+=C=N.a,m-=b,_-=S,y-=w,x-=C,N=N.next,o+=4;h+=T}for(i=0;i<T;i++){for(_=y=x=m=d=c=g=l=0,u=E*(b=k[o=i<<2]),f=E*(S=k[o+1]),p=E*(w=k[o+2]),v=E*(C=k[o+3]),l+=D*b,d+=D*S,c+=D*w,g+=D*C,I=L,a=0;a<E;a++)I.r=b,I.g=S,I.b=w,I.a=C,I=I.next;for(s=T,a=1;a<=e;a++)o=s+i<<2,l+=(I.r=b=k[o])*(P=E-a),d+=(I.g=S=k[o+1])*P,c+=(I.b=w=k[o+2])*P,g+=(I.a=C=k[o+3])*P,m+=b,_+=S,y+=w,x+=C,I=I.next,a<R&&(s+=T);for(o=i,F=L,N=O,r=0;r<A;r++)k[3+(n=o<<2)]=C=g*B>>H,C>0?(C=255/C,k[n]=(l*B>>H)*C,k[n+1]=(d*B>>H)*C,k[n+2]=(c*B>>H)*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+E)<R?n:R)*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=N.r,f+=S=N.g,p+=w=N.b,v+=C=N.a,m-=b,_-=S,y-=w,x-=C,N=N.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]=di(n[a+0],o,h,v,p),n[a+1]=di(n[a+1],l,d,y,_),n[a+2]=di(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);g.releaseCanvas(v),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[0+(r=4*((n=Math.floor(g+m*_/S*x))*l+a))],f=o[r+1],p=o[r+2],v=o[r+3],h[0+(r=4*(y+_*l))]=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[0+(r=4*(Math.floor(x)*c+S))],v=l[r+1],m=l[r+2],_=l[r+3],d[0+(r=4*(n*c+a))]=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=ci(t,0,0),r=ci(t,t.width-1,0),a=ci(t,0,t.height-1),n=ci(t,t.width-1,t.height-1),s=e||10;if(gi(i,r)<s&&gi(r,n)<s&&gi(n,a)<s&&gi(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=gi(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}}})}));