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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){t?this._context.fill(t):this._context.fill()}fillRect(t,e,i,r){this._context.fillRect(t,e,i,r)}strokeRect(t,e,i,r){this._context.strokeRect(t,e,i,r)}fillText(t,e,i,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 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r,a=i[t];i[t]=function(){return e=C(Array.prototype.slice.call(arguments,0)),r=a.apply(i,arguments),i._trace({method:t,args:e}),r}};for(t=0;t{"dragging"===e.dragStatus&&(t=!0)})),t},justDragged:!1,get node(){var t;return L._dragElements.forEach((e=>{t=e.node})),t},_dragElements:new Map,_drag(t){const e=[];L._dragElements.forEach(((i,r)=>{const{node:a}=i,n=a.getStage();n.setPointersPositions(t),void 0===i.pointerId&&(i.pointerId=g._getFirstPointerId(t));const s=n._changedPointerPositions.find((t=>t.id===i.pointerId));if(s){if("dragging"!==i.dragStatus){var o=a.dragDistance();if(Math.max(Math.abs(s.x-i.startPointerPos.x),Math.abs(s.y-i.startPointerPos.y)){e.fire("dragmove",{type:"dragmove",target:e,evt:t},!0)}))},_endDragBefore(t){const e=[];L._dragElements.forEach((r=>{const{node:a}=r,n=a.getStage();t&&n.setPointersPositions(t);if(!n._changedPointerPositions.find((t=>t.id===r.pointerId)))return;"dragging"!==r.dragStatus&&"stopped"!==r.dragStatus||(L.justDragged=!0,i._mouseListenClick=!1,i._touchListenClick=!1,i._pointerListenClick=!1,r.dragStatus="stopped");const s=r.node.getLayer()||r.node instanceof i.Stage&&r.node;s&&-1===e.indexOf(s)&&e.push(s)})),e.forEach((t=>{t.draw()}))},_endDragAfter(t){L._dragElements.forEach(((e,i)=>{"stopped"===e.dragStatus&&e.node.fire("dragend",{type:"dragend",target:e.node,evt:t},!0),"dragging"!==e.dragStatus&&L._dragElements.delete(i)}))}};i.isBrowser&&(window.addEventListener("mouseup",L._endDragBefore,!0),window.addEventListener("touchend",L._endDragBefore,!0),window.addEventListener("mousemove",L._drag),window.addEventListener("touchmove",L._drag),window.addEventListener("mouseup",L._endDragAfter,!1),window.addEventListener("touchend",L._endDragAfter,!1));var D="absoluteOpacity",O="allEventListeners",I="absoluteTransform",F="absoluteScale",N="canvas",B="listening",z="mouseenter",H="mouseleave",W="Shape",Y=" ",X="stage",j="transform",U="visible",q=["xChange.konva","yChange.konva","scaleXChange.konva","scaleYChange.konva","skewXChange.konva","skewYChange.konva","rotationChange.konva","offsetXChange.konva","offsetYChange.konva","transformsEnabledChange.konva"].join(Y);let V=1;class K{constructor(t){this._id=V++,this.eventListeners={},this.attrs={},this.index=0,this._allEventListeners=null,this.parent=null,this._cache=new Map,this._attachedDepsListeners=new Map,this._lastPos=null,this._batchingTransformChange=!1,this._needClearTransformCache=!1,this._filterUpToDate=!1,this._isUnderCache=!1,this._dragEventId=null,this._shouldFireChangeEvents=!1,this.setAttrs(t),this._shouldFireChangeEvents=!0}hasChildren(){return!1}_clearCache(t){t!==j&&t!==I||!this._cache.get(t)?t?this._cache.delete(t):this._cache.clear():this._cache.get(t).dirty=!0}_getCache(t,e){var i=this._cache.get(t);return(void 0===i||(t===j||t===I)&&!0===i.dirty)&&(i=e.call(this),this._cache.set(t,i)),i}_calculate(t,e,i){if(!this._attachedDepsListeners.get(t)){const i=e.map((t=>t+"Change.konva")).join(Y);this.on(i,(()=>{this._clearCache(t)})),this._attachedDepsListeners.set(t,!0)}return this._getCache(t,i)}_getCanvasCache(){return this._cache.get(N)}_clearSelfAndDescendantCache(t){this._clearCache(t),t===I&&this.fire("absoluteTransformChange")}clearCache(){if(this._cache.has(N)){const{scene:t,filter:e,hit:i}=this._cache.get(N);g.releaseCanvas(t,e,i),this._cache.delete(N)}return this._clearSelfAndDescendantCache(),this._requestDraw(),this}cache(t){var e=t||{},i={};void 0!==e.x&&void 0!==e.y&&void 0!==e.width&&void 0!==e.height||(i=this.getClientRect({skipTransform:!0,relativeTo:this.getParent()}));var r=Math.ceil(e.width||i.width),a=Math.ceil(e.height||i.height),n=e.pixelRatio,s=void 0===e.x?Math.floor(i.x):e.x,o=void 0===e.y?Math.floor(i.y):e.y,h=e.offset||0,l=e.drawBorder||!1,d=e.hitCanvasPixelRatio||1;if(r&&a){s-=h,o-=h;var c=new R({pixelRatio:n,width:r+=2*h+1,height:a+=2*h+1}),u=new R({pixelRatio:n,width:0,height:0}),f=new E({pixelRatio:d,width:r,height:a}),p=c.getContext(),v=f.getContext();return f.isCache=!0,c.isCache=!0,this._cache.delete(N),this._filterUpToDate=!1,!1===e.imageSmoothingEnabled&&(c.getContext()._context.imageSmoothingEnabled=!1,u.getContext()._context.imageSmoothingEnabled=!1),p.save(),v.save(),p.translate(-s,-o),v.translate(-s,-o),this._isUnderCache=!0,this._clearSelfAndDescendantCache(D),this._clearSelfAndDescendantCache(F),this.drawScene(c,this),this.drawHit(f,this),this._isUnderCache=!1,p.restore(),v.restore(),l&&(p.save(),p.beginPath(),p.rect(0,0,r,a),p.closePath(),p.setAttr("strokeStyle","red"),p.setAttr("lineWidth",5),p.stroke(),p.restore()),this._cache.set(N,{scene:c,filter:u,hit:f,x:s,y:o}),this._requestDraw(),this}g.error("Can not cache the node. Width or height of the node equals 0. Caching is skipped.")}isCached(){return this._cache.has(N)}getClientRect(t){throw new Error('abstract "getClientRect" method call')}_transformedRect(t,e){var i,r,a,n,s=[{x:t.x,y:t.y},{x:t.x+t.width,y:t.y},{x:t.x+t.width,y:t.y+t.height},{x:t.x,y:t.y+t.height}],o=this.getAbsoluteTransform(e);return s.forEach((function(t){var e=o.point(t);void 0===i&&(i=a=e.x,r=n=e.y),i=Math.min(i,e.x),r=Math.min(r,e.y),a=Math.max(a,e.x),n=Math.max(n,e.y)})),{x:i,y:r,width:a-i,height:n-r}}_drawCachedSceneCanvas(t){t.save(),t._applyOpacity(this),t._applyGlobalCompositeOperation(this);const e=this._getCanvasCache();t.translate(e.x,e.y);var i=this._getCachedSceneCanvas(),r=i.pixelRatio;t.drawImage(i._canvas,0,0,i.width/r,i.height/r),t.restore()}_drawCachedHitCanvas(t){var e=this._getCanvasCache(),i=e.hit;t.save(),t.translate(e.x,e.y),t.drawImage(i._canvas,0,0,i.width/i.pixelRatio,i.height/i.pixelRatio),t.restore()}_getCachedSceneCanvas(){var t,e,i,r,a=this.filters(),n=this._getCanvasCache(),s=n.scene,o=n.filter,h=o.getContext();if(a){if(!this._filterUpToDate){var l=s.pixelRatio;o.setSize(s.width/s.pixelRatio,s.height/s.pixelRatio);try{for(t=a.length,h.clear(),h.drawImage(s._canvas,0,0,s.getWidth()/l,s.getHeight()/l),e=h.getImageData(0,0,o.getWidth(),o.getHeight()),i=0;i{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(B,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(U,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;L._dragElements.forEach((t=>{"dragging"===t.dragStatus&&("Stage"===t.node.nodeType||t.node.getLayer()===r)&&(a=!0)}));var n=!e&&!i.hitOnDragEnabled&&a;return this.isListening()&&this.isVisible()&&!n}show(){return this.visible(!0),this}hide(){return this.visible(!1),this}getZIndex(){return this.index||0}getAbsoluteZIndex(){var t,e,i,r,a=this.getDepth(),n=this,s=0;return"Stage"!==n.nodeType&&function o(h){for(t=[],e=h.length,i=0;i0&&t[0].getDepth()<=a&&o(t)}(n.getStage().getChildren()),s}getDepth(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t}_batchTransformChanges(t){this._batchingTransformChange=!0,t(),this._batchingTransformChange=!1,this._needClearTransformCache&&(this._clearCache(j),this._clearSelfAndDescendantCache(I)),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(){if(!this.getStage())return null;var t=this.getStage().getPointerPosition();if(!t)return null;var e=this.getAbsoluteTransform().copy();return e.invert(),e.point(t)}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){var e=this._clearTransform();this.attrs.x=e.x,this.attrs.y=e.y,delete e.x,delete e.y,this._clearCache(j);var i=this._getAbsoluteTransform().copy();return i.invert(),i.translate(t.x,t.y),t={x:this.attrs.x+i.getTranslation().x,y:this.attrs.y+i.getTranslation().y},this._setTransform(e),this.setPosition({x:t.x,y:t.y}),this._clearCache(j),this._clearSelfAndDescendantCache(I),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;r0&&(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={},n=this.getAttrs();for(t in a.attrs={},n)e=n[t],g.isObject(e)&&!g._isPlainObject(e)&&!g._isArray(e)||(i="function"==typeof this[t]&&this[t],delete n[t],r=i?i.call(this):null,n[t]=e,r!==e&&(a.attrs[t]=e));return a.className=this.getClassName(),g._prepareToStringify(a)}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{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)}))}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=0)&&!this.isDragging()){var e=!1;L._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=L._dragElements.get(this._id),e=t&&"dragging"===t.dragStatus,i=t&&"ready"===t.dragStatus;e?this.stopDrag():i&&L._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=K.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;n0}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;e0?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=K.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=K.prototype.clone.call(this,t);return this.getChildren().forEach((function(t){e.add(t.clone())})),e}getAllIntersections(t){var e=[];return this.find("Shape").forEach((function(i){i.isVisible()&&i.intersects(t)&&e.push(i)})),e}_clearSelfAndDescendantCache(t){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){var i=this.getLayer(),r=t||i&&i.getCanvas(),a=r&&r.getContext(),n=this._getCanvasCache(),s=n&&n.scene,o=r&&r.isCache;if(!this.isVisible()&&!o)return this;if(s){a.save();var h=this.getAbsoluteTransform(e).getMatrix();a.transform(h[0],h[1],h[2],h[3],h[4],h[5]),this._drawCachedSceneCanvas(a),a.restore()}else this._drawChildren("drawScene",r,e);return this}drawHit(t,e){if(!this.shouldDrawHit(e))return this;var i=this.getLayer(),r=t||i&&i.hitCanvas,a=r&&r.getContext(),n=this._getCanvasCache();if(n&&n.hit){a.save();var s=this.getAbsoluteTransform(e).getMatrix();a.transform(s[0],s[1],s[2],s[3],s[4],s[5]),this._drawCachedHitCanvas(a),a.restore()}else this._drawChildren("drawHit",r,e);return this}_drawChildren(t,e,i){var r,a=e&&e.getContext(),n=this.clipWidth(),s=this.clipHeight(),o=this.clipFunc(),h=n&&s||o;const l=i===this;if(h){a.save();var d=this.getAbsoluteTransform(i),c=d.getMatrix();if(a.transform(c[0],c[1],c[2],c[3],c[4],c[5]),a.beginPath(),o)o.call(this,a,this);else{var g=this.clipX(),u=this.clipY();a.rect(g,u,n,s)}a.clip(),c=d.copy().invert().getMatrix(),a.transform(c[0],c[1],c[2],c[3],c[4],c[5])}var f=!l&&"source-over"!==this.globalCompositeOperation()&&"drawScene"===t;f&&(a.save(),a._applyGlobalCompositeOperation(this)),null===(r=this.children)||void 0===r||r.forEach((function(r){r[t](e,i)})),f&&a.restore(),h&&a.restore()}getClientRect(t){var e,i,r,a,n,s=(t=t||{}).skipTransform,o=t.relativeTo,h={x:1/0,y:1/0,width:0,height:0},l=this;null===(e=this.children)||void 0===e||e.forEach((function(e){if(e.visible()){var s=e.getClientRect({relativeTo:l,skipShadow:t.skipShadow,skipStroke:t.skipStroke});0===s.width&&0===s.height||(void 0===i?(i=s.x,r=s.y,a=s.x+s.width,n=s.y+s.height):(i=Math.min(i,s.x),r=Math.min(r,s.y),a=Math.max(a,s.x+s.width),n=Math.max(n,s.y+s.height)))}}));for(var d=this.find("Shape"),c=!1,g=0;gt.indexOf("pointer")>=0?"pointer":t.indexOf("touch")>=0?"touch":"mouse",At=t=>{const e=Tt(t);return"pointer"===e?i.pointerEventsEnabled&&kt.pointer:"touch"===e?kt.touch:"mouse"===e?kt.mouse:void 0};function Mt(t={}){return(t.clipFunc||t.clipWidth||t.clipHeight)&&g.warn("Stage does not support clipping. Please use clip for Layers or Groups."),t}const Gt=[];class Rt extends J{constructor(t){super(Mt(t)),this._pointerPositions=[],this._changedPointerPositions=[],this._buildDOM(),this._bindContentEvents(),Gt.push(this),this.on("widthChange.konva heightChange.konva",this._resizeDOM),this.on("visibleChange.konva",this._checkVisibility),this.on("clipWidthChange.konva clipHeightChange.konva clipFuncChange.konva",(()=>{Mt(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-1&&Gt.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 R({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;r5&&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 it(t,this)}setPointerCapture(t){rt(t,this)}releaseCapture(t){at(t)}getLayers(){return this.children}_bindContentEvents(){i.isBrowser&&Pt.forEach((([t,e])=>{this.content.addEventListener(t,(t=>{this[e](t)}),{passive:!1})}))}_pointerenter(t){this.setPointersPositions(t);const e=At(t.type);this._fire(e.pointerenter,{evt:t,target:this,currentTarget:this})}_pointerover(t){this.setPointersPositions(t);const e=At(t.type);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=At(t.type),r=Tt(t.type);if(e){this.setPointersPositions(t);var a=this._getTargetShape(r),n=!L.isDragging||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=void 0,this._pointerPositions=[]}}_pointerdown(t){const e=At(t.type),r=Tt(t.type);if(e){this.setPointersPositions(t);var a=!1;this._changedPointerPositions.forEach((n=>{var s=this.getIntersection(n);L.justDragged=!1,i["_"+r+"ListenClick"]=!0;if(!(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=At(t.type),r=Tt(t.type);if(!e)return;if(L.isDragging&&L.node.preventDefault()&&t.cancelable&&t.preventDefault(),this.setPointersPositions(t),!(!L.isDragging||i.hitOnDragEnabled))return;var a={};let n=!1;var s=this._getTargetShape(r);this._changedPointerPositions.forEach((i=>{const o=tt(i.id)||this.getIntersection(i),h=i.id,l={evt:t,pointerId:h};var d=s!==o;if(d&&s&&(s._fireAndBubble(e.pointerout,Object.assign({},l),o),s._fireAndBubble(e.pointerleave,Object.assign({},l),o)),o){if(a[o._id])return;a[o._id]=!0}o&&o.isListening()?(n=!0,d&&(o._fireAndBubble(e.pointerover,Object.assign({},l),s),o._fireAndBubble(e.pointerenter,Object.assign({},l),s),this[r+"targetShape"]=o),o._fireAndBubble(e.pointermove,Object.assign({},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=At(t.type),r=Tt(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=tt(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"])):L.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,Object.assign({},c)),i["_"+r+"ListenClick"]&&a&&a===l&&(l._fireAndBubble(e.pointerclick,Object.assign({},c)),g&&n&&n===l&&l._fireAndBubble(e.pointerdblclick,Object.assign({},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(yt,{evt:t}):this._fire(yt,{evt:t,target:this,currentTarget:this})}_wheel(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(Ct,{evt:t}):this._fire(Ct,{evt:t,target:this,currentTarget:this})}_pointercancel(t){this.setPointersPositions(t);const e=tt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(ut,et(t)),at(t.pointerId)}_lostpointercapture(t){at(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 R({width:this.width(),height:this.height()}),this.bufferHitCanvas=new E({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}}Rt.prototype.nodeType="Stage",r(Rt),w.addGetterSetter(Rt,"container");var Et="hasShadow",Lt="shadowRGBA",Dt="patternImage",Ot="linearGradient",It="radialGradient";let Ft;function Nt(){return Ft||(Ft=g.createCanvasElement().getContext("2d"),Ft)}const Bt={};class zt extends K{constructor(t){let e;for(super(t);e=g.getRandomColor(),!e||e in Bt;);this.colorKey=e,Bt[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(Et,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=Nt().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(Ot,this.__getLinearGradient)}__getLinearGradient(){var t=this.fillLinearGradientColorStops();if(t){for(var e=Nt(),i=this.fillLinearGradientStartPoint(),r=this.fillLinearGradientEndPoint(),a=e.createLinearGradient(i.x,i.y,r.x,r.y),n=0;nthis.fillEnabled()&&!!(this.fill()||this.fillPatternImage()||this.fillLinearGradientColorStops()||this.fillRadialGradientColorStops())))}hasStroke(){return this._calculate("hasStroke",["strokeEnabled","strokeWidth","stroke","strokeLinearGradientColorStops"],(()=>this.strokeEnabled()&&this.strokeWidth()&&!(!this.stroke()&&!this.strokeLinearGradientColorStops())))}hasHitStroke(){const t=this.hitStrokeWidth();return"auto"===t?this.hasStroke():this.strokeEnabled()&&!!t}intersects(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e,null,!0),e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]>0}destroy(){return K.prototype.destroy.call(this),delete Bt[this.colorKey],delete this.colorKey,this}_useBufferCanvas(t){var e;if(!this.getStage())return!1;if(!(null===(e=this.attrs.perfectDrawEnabled)||void 0===e||e))return!1;const i=t||this.hasFill(),r=this.hasStroke(),a=1!==this.getAbsoluteOpacity();if(i&&r&&a)return!0;const n=this.hasShadow(),s=this.shadowForStrokeEnabled();return!!(i&&r&&n&&s)}setStrokeHitEnabled(t){g.warn("strokeHitEnabled property is deprecated. Please use hitStrokeWidth instead."),t?this.hitStrokeWidth("auto"):this.hitStrokeWidth(0)}getStrokeHitEnabled(){return 0!==this.hitStrokeWidth()}getSelfRect(){var t=this.size();return{x:this._centroid?-t.width/2:0,y:this._centroid?-t.height/2:0,width:t.width,height:t.height}}getClientRect(t={}){const e=t.skipTransform,i=t.relativeTo,r=this.getSelfRect(),a=!t.skipStroke&&this.hasStroke()&&this.strokeWidth()||0,n=r.width+a,s=r.height+a,o=!t.skipShadow&&this.hasShadow(),h=o?this.shadowOffsetX():0,l=o?this.shadowOffsetY():0,d=n+Math.abs(h),c=s+Math.abs(l),g=o&&this.shadowBlur()||0,u={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){var i,r,a=this.getLayer(),n=t||a.getCanvas(),s=n.getContext(),o=this._getCanvasCache(),h=this.getSceneFunc(),l=this.hasShadow(),d=n.isCache,c=e===this;if(!this.isVisible()&&!c)return this;if(o){s.save();var g=this.getAbsoluteTransform(e).getMatrix();return s.transform(g[0],g[1],g[2],g[3],g[4],g[5]),this._drawCachedSceneCanvas(s),s.restore(),this}if(!h)return this;if(s.save(),this._useBufferCanvas()&&!d){(r=(i=this.getStage().bufferCanvas).getContext()).clear(),r.save(),r._applyLineJoin(this);var u=this.getAbsoluteTransform(e).getMatrix();r.transform(u[0],u[1],u[2],u[3],u[4],u[5]),h.call(this,r,this),r.restore();var f=i.pixelRatio;l&&s._applyShadow(this),s._applyOpacity(this),s._applyGlobalCompositeOperation(this),s.drawImage(i._canvas,0,0,i.width/f,i.height/f)}else{if(s._applyLineJoin(this),!c){u=this.getAbsoluteTransform(e).getMatrix();s.transform(u[0],u[1],u[2],u[3],u[4],u[5]),s._applyOpacity(this),s._applyGlobalCompositeOperation(this)}l&&s._applyShadow(this),h.call(this,s,this)}return s.restore(),this}drawHit(t,e,i=!1){if(!this.shouldDrawHit(e,i))return this;var r=this.getLayer(),a=t||r.hitCanvas,n=a&&a.getContext(),s=this.hitFunc()||this.sceneFunc(),o=this._getCanvasCache(),h=o&&o.hit;if(this.colorKey||g.warn("Looks like your canvas has a destroyed shape in it. Do not reuse shape after you destroyed it. If you want to reuse shape you should call remove() instead of destroy()"),h){n.save();var l=this.getAbsoluteTransform(e).getMatrix();return n.transform(l[0],l[1],l[2],l[3],l[4],l[5]),this._drawCachedHitCanvas(n),n.restore(),this}if(!s)return this;n.save(),n._applyLineJoin(this);if(!(this===e)){var d=this.getAbsoluteTransform(e).getMatrix();n.transform(d[0],d[1],d[2],d[3],d[4],d[5])}return s.call(this,n,this),n.restore(),this}drawHitFromCache(t=0){var e,i,r,a,n,s=this._getCanvasCache(),o=this._getCachedSceneCanvas(),h=s.hit,l=h.getContext(),d=h.getWidth(),c=h.getHeight();l.clear(),l.drawImage(o._canvas,0,0,d,c);try{for(r=(i=(e=l.getImageData(0,0,d,c)).data).length,a=g._hexToRgb(this.colorKey),n=0;nt?(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 it(t,this)}setPointerCapture(t){rt(t,this)}releaseCapture(t){at(t)}}zt.prototype._fillFunc=function(t){t.fill()},zt.prototype._strokeFunc=function(t){t.stroke()},zt.prototype._fillFuncHit=function(t){t.fill()},zt.prototype._strokeFuncHit=function(t){t.stroke()},zt.prototype._centroid=!1,zt.prototype.nodeType="Shape",r(zt),zt.prototype.eventListeners={},zt.prototype.on.call(zt.prototype,"shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Et)})),zt.prototype.on.call(zt.prototype,"shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Lt)})),zt.prototype.on.call(zt.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)})),zt.prototype.on.call(zt.prototype,"fillPriorityChange.konva fillLinearGradientColorStopsChange.konva fillLinearGradientStartPointXChange.konva fillLinearGradientStartPointYChange.konva fillLinearGradientEndPointXChange.konva fillLinearGradientEndPointYChange.konva",(function(){this._clearCache(Ot)})),zt.prototype.on.call(zt.prototype,"fillPriorityChange.konva fillRadialGradientColorStopsChange.konva fillRadialGradientStartPointXChange.konva fillRadialGradientStartPointYChange.konva fillRadialGradientEndPointXChange.konva fillRadialGradientEndPointYChange.konva fillRadialGradientStartRadiusChange.konva fillRadialGradientEndRadiusChange.konva",(function(){this._clearCache(It)})),w.addGetterSetter(zt,"stroke",void 0,y()),w.addGetterSetter(zt,"strokeWidth",2,p()),w.addGetterSetter(zt,"fillAfterStrokeEnabled",!1),w.addGetterSetter(zt,"hitStrokeWidth","auto",m()),w.addGetterSetter(zt,"strokeHitEnabled",!0,x()),w.addGetterSetter(zt,"perfectDrawEnabled",!0,x()),w.addGetterSetter(zt,"shadowForStrokeEnabled",!0,x()),w.addGetterSetter(zt,"lineJoin"),w.addGetterSetter(zt,"lineCap"),w.addGetterSetter(zt,"sceneFunc"),w.addGetterSetter(zt,"hitFunc"),w.addGetterSetter(zt,"dash"),w.addGetterSetter(zt,"dashOffset",0,p()),w.addGetterSetter(zt,"shadowColor",void 0,_()),w.addGetterSetter(zt,"shadowBlur",0,p()),w.addGetterSetter(zt,"shadowOpacity",1,p()),w.addComponentsGetterSetter(zt,"shadowOffset",["x","y"]),w.addGetterSetter(zt,"shadowOffsetX",0,p()),w.addGetterSetter(zt,"shadowOffsetY",0,p()),w.addGetterSetter(zt,"fillPatternImage"),w.addGetterSetter(zt,"fill",void 0,y()),w.addGetterSetter(zt,"fillPatternX",0,p()),w.addGetterSetter(zt,"fillPatternY",0,p()),w.addGetterSetter(zt,"fillLinearGradientColorStops"),w.addGetterSetter(zt,"strokeLinearGradientColorStops"),w.addGetterSetter(zt,"fillRadialGradientStartRadius",0),w.addGetterSetter(zt,"fillRadialGradientEndRadius",0),w.addGetterSetter(zt,"fillRadialGradientColorStops"),w.addGetterSetter(zt,"fillPatternRepeat","repeat"),w.addGetterSetter(zt,"fillEnabled",!0),w.addGetterSetter(zt,"strokeEnabled",!0),w.addGetterSetter(zt,"shadowEnabled",!0),w.addGetterSetter(zt,"dashEnabled",!0),w.addGetterSetter(zt,"strokeScaleEnabled",!0),w.addGetterSetter(zt,"fillPriority","color"),w.addComponentsGetterSetter(zt,"fillPatternOffset",["x","y"]),w.addGetterSetter(zt,"fillPatternOffsetX",0,p()),w.addGetterSetter(zt,"fillPatternOffsetY",0,p()),w.addComponentsGetterSetter(zt,"fillPatternScale",["x","y"]),w.addGetterSetter(zt,"fillPatternScaleX",1,p()),w.addGetterSetter(zt,"fillPatternScaleY",1,p()),w.addComponentsGetterSetter(zt,"fillLinearGradientStartPoint",["x","y"]),w.addComponentsGetterSetter(zt,"strokeLinearGradientStartPoint",["x","y"]),w.addGetterSetter(zt,"fillLinearGradientStartPointX",0),w.addGetterSetter(zt,"strokeLinearGradientStartPointX",0),w.addGetterSetter(zt,"fillLinearGradientStartPointY",0),w.addGetterSetter(zt,"strokeLinearGradientStartPointY",0),w.addComponentsGetterSetter(zt,"fillLinearGradientEndPoint",["x","y"]),w.addComponentsGetterSetter(zt,"strokeLinearGradientEndPoint",["x","y"]),w.addGetterSetter(zt,"fillLinearGradientEndPointX",0),w.addGetterSetter(zt,"strokeLinearGradientEndPointX",0),w.addGetterSetter(zt,"fillLinearGradientEndPointY",0),w.addGetterSetter(zt,"strokeLinearGradientEndPointY",0),w.addComponentsGetterSetter(zt,"fillRadialGradientStartPoint",["x","y"]),w.addGetterSetter(zt,"fillRadialGradientStartPointX",0),w.addGetterSetter(zt,"fillRadialGradientStartPointY",0),w.addComponentsGetterSetter(zt,"fillRadialGradientEndPoint",["x","y"]),w.addGetterSetter(zt,"fillRadialGradientEndPointX",0),w.addGetterSetter(zt,"fillRadialGradientEndPointY",0),w.addGetterSetter(zt,"fillPatternRotation",0),w.backCompat(zt,{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 Yt extends J{constructor(t){super(t),this.canvas=new R,this.hitCanvas=new E({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{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;r0?{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(),J.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(),J.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()}}Yt.prototype.nodeType="Layer",r(Yt),w.addGetterSetter(Yt,"imageSmoothingEnabled",!0),w.addGetterSetter(Yt,"clearBeforeDraw",!0),w.addGetterSetter(Yt,"hitGraphEnabled",!0,x());class Xt extends Yt{constructor(t){super(t),this.listening(!1),g.warn('Konva.Fast layer is deprecated. Please use "new Konva.Layer({ listening: false })" instead.')}}Xt.prototype.nodeType="FastLayer",r(Xt);class jt extends J{_validateAdd(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&g.throw("You may only add groups and shapes to groups.")}}jt.prototype.nodeType="Group",r(jt);var Ut=e.performance&&e.performance.now?function(){return e.performance.now()}:function(){return(new Date).getTime()};class qt{constructor(t,e){this.id=qt.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:Ut(),frameRate:0},this.func=t,this.setLayers(e)}setLayers(t){var e=[];return e=t?t.length>0?t:[t]:[],this.layers=e,this}getLayers(){return this.layers}addLayer(t){var e,i=this.layers,r=i.length;for(e=0;ethis.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 Zt{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=Kt++;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 qt((function(){a.tween.onEnterFrame()}),l),this.tween=new Jt(r,(function(t){a._tweenFunc(t)}),o,0,1,1e3*e,h),this._addListeners(),Zt.attrs[s]||(Zt.attrs[s]={}),Zt.attrs[s][this._id]||(Zt.attrs[s][this._id]={}),Zt.tweens[s]||(Zt.tweens[s]={}),t)void 0===Vt[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=Zt.tweens[c][t])&&delete Zt.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{this.anim.start()},this.tween.onReverse=()=>{this.anim.start()},this.tween.onPause=()=>{this.anim.stop()},this.tween.onFinish=()=>{var t=this.node,e=Zt.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=Zt.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=Zt.tweens[e];for(t in this.pause(),r)delete Zt.tweens[e][t];delete Zt.attrs[e][i]}}Zt.attrs={},Zt.tweens={},K.prototype.to=function(t){var e=t.onFinish;t.node=this,t.onFinish=function(){this.destroy(),e&&e()},new Zt(t).play()};const $t={BackEaseIn(t,e,i,r){var a=1.70158;return i*(t/=r)*t*((a+1)*t-a)+e},BackEaseOut(t,e,i,r){var a=1.70158;return i*((t=t/r-1)*t*((a+1)*t+a)+1)+e},BackEaseInOut(t,e,i,r){var a=1.70158;return(t/=r/2)<1?i/2*(t*t*((1+(a*=1.525))*t-a))+e:i/2*((t-=2)*t*((1+(a*=1.525))*t+a)+2)+e},ElasticEaseIn(t,e,i,r,a,n){var s=0;return 0===t?e:1==(t/=r)?e+i:(n||(n=.3*r),!a||a(t/=r)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e,BounceEaseIn:(t,e,i,r)=>i-$t.BounceEaseOut(r-t,0,i,r)+e,BounceEaseInOut:(t,e,i,r)=>ti*(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},te=g._assign(i,{Util:g,Transform:a,Node:K,Container:J,Stage:Rt,stages:Gt,Layer:Yt,FastLayer:Xt,Group:jt,DD:L,Shape:zt,shapes:Bt,Animation:qt,Tween:Zt,Easings:$t,Context:k,Canvas:G});class ee extends zt{_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 ie(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 re(t,e){var i,r,a=t.length,n=[];for(i=2;i4){for(i=(e=this.getTensionPoints()).length,r=o?0:4,o||t.quadraticCurveTo(e[0],e[1],e[2],e[3]);rl?h:l,p=h>l?1:h/l,v=h>l?l/h:1;t.translate(s,o),t.rotate(g),t.scale(p,v),t.arc(0,0,f,d,d+c,1-u),t.scale(1/p,1/v),t.rotate(-g),t.translate(-s,-o);break;case"z":i=!0,t.closePath()}}i||this.hasFill()?t.fillStrokeShape(this):t.strokeShape(this)}getSelfRect(){var t=[];this.dataArray.forEach((function(e){if("A"===e.command){var i=e.points[4],r=e.points[5],a=e.points[4]+r,n=Math.PI/180;if(Math.abs(i-a)a;r-=n){const i=ne.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;rthis.dataArray[i].pathLength;)t-=this.dataArray[i].pathLength,++i;if(i===r)return{x:(e=this.dataArray[i-1].points.slice(-2))[0],y:e[1]};if(t<.01)return{x:(e=this.dataArray[i].points.slice(0,2))[0],y:e[1]};var a=this.dataArray[i],n=a.points;switch(a.command){case"L":return ne.getPointOnLine(t,a.start.x,a.start.y,n[0],n[1]);case"C":return ne.getPointOnCubicBezier(t/a.pathLength,a.start.x,a.start.y,n[0],n[1],n[2],n[3],n[4],n[5]);case"Q":return ne.getPointOnQuadraticBezier(t/a.pathLength,a.start.x,a.start.y,n[0],n[1],n[2],n[3]);case"A":var s=n[0],o=n[1],h=n[2],l=n[3],d=n[4],c=n[5],g=n[6];return d+=c*t/a.pathLength,ne.getPointOnEllipticalArc(s,o,h,l,d,g)}return null}static getLineLength(t,e,i,r){return Math.sqrt((i-t)*(i-t)+(r-e)*(r-e))}static getPointOnLine(t,e,i,r,a,n,s){void 0===n&&(n=e),void 0===s&&(s=i);var o=(a-i)/(r-e+1e-8),h=Math.sqrt(t*t/(1+o*o));r0&&!isNaN(u[0]);){var m,_,y,x,b,S,w,C,P,k,T=null,A=[],M=h,G=l;switch(g){case"l":h+=u.shift(),l+=u.shift(),T="L",A.push(h,l);break;case"L":h=u.shift(),l=u.shift(),A.push(h,l);break;case"m":var R=u.shift(),E=u.shift();if(h+=R,l+=E,T="M",s.length>2&&"z"===s[s.length-1].command)for(var L=s.length-2;L>=0;L--)if("M"===s[L].command){h=s[L].points[0]+R,l=s[L].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=ne;switch(i){case"L":return h.getLineLength(t,e,r[0],r[1]);case"C":for(a=0,n=h.getPointOnCubicBezier(0,t,e,r[0],r[1],r[2],r[3],r[4],r[5]),o=.01;o<=1;o+=.01)s=h.getPointOnCubicBezier(o,t,e,r[0],r[1],r[2],r[3],r[4],r[5]),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;return a;case"Q":for(a=0,n=h.getPointOnQuadraticBezier(0,t,e,r[0],r[1],r[2],r[3]),o=.01;o<=1;o+=.01)s=h.getPointOnQuadraticBezier(o,t,e,r[0],r[1],r[2],r[3]),a+=h.getLineLength(n.x,n.y,s.x,s.y),n=s;return a;case"A":a=0;var l=r[4],d=r[5],c=r[4]+d,g=Math.PI/180;if(Math.abs(l-c)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;o1&&(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]=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]}}ne.prototype.className="Path",ne.prototype._attrsAffectingSize=["data"],r(ne),w.addGetterSetter(ne,"data");class se extends ae{_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=ne.calcLength(r[r.length-4],r[r.length-3],"C",t),a=ne.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}}}se.prototype.className="Arrow",r(se),w.addGetterSetter(se,"pointerLength",10,p()),w.addGetterSetter(se,"pointerWidth",10,p()),w.addGetterSetter(se,"pointerAtBeginning",!1),w.addGetterSetter(se,"pointerAtEnding",!0);class oe extends zt{_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)}}oe.prototype._centroid=!0,oe.prototype.className="Circle",oe.prototype._attrsAffectingSize=["radius"],r(oe),w.addGetterSetter(oe,"radius",0,p());class he extends zt{_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)}}he.prototype.className="Ellipse",he.prototype._centroid=!0,he.prototype._attrsAffectingSize=["radiusX","radiusY"],r(he),w.addComponentsGetterSetter(he,"radius",["x","y"]),w.addGetterSetter(he,"radiusX",0,p()),w.addGetterSetter(he,"radiusY",0,p());class le extends zt{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 le({image:r});e(t)},r.onerror=i,r.crossOrigin="Anonymous",r.src=t}}le.prototype.className="Image",r(le),w.addGetterSetter(le,"cornerRadius",0,v(4)),w.addGetterSetter(le,"image"),w.addComponentsGetterSetter(le,"crop",["x","y","width","height"]),w.addGetterSetter(le,"cropX",0,p()),w.addGetterSetter(le,"cropY",0,p()),w.addGetterSetter(le,"cropWidth",0,p()),w.addGetterSetter(le,"cropHeight",0,p());var de=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width","height","pointerDirection","pointerWidth","pointerHeight"],ce="up",ge="right",ue="down",fe="left",pe=de.length;class ve extends jt{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{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)}}ye.prototype.className="RegularPolygon",ye.prototype._centroid=!0,ye.prototype._attrsAffectingSize=["radius"],r(ye),w.addGetterSetter(ye,"radius",0,p()),w.addGetterSetter(ye,"sides",0,p());var xe=2*Math.PI;class be extends zt{_sceneFunc(t){t.beginPath(),t.arc(0,0,this.innerRadius(),0,xe,!1),t.moveTo(this.outerRadius(),0),t.arc(0,0,this.outerRadius(),xe,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)}}be.prototype.className="Ring",be.prototype._centroid=!0,be.prototype._attrsAffectingSize=["innerRadius","outerRadius"],r(be),w.addGetterSetter(be,"innerRadius",0,p()),w.addGetterSetter(be,"outerRadius",0,p());class Se extends zt{constructor(t){super(t),this._updated=!0,this.anim=new qt((()=>{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();t1&&(v+=s)}}}_hitFunc(t){var e=this.getWidth(),i=this.getHeight();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)}setText(t){var e=g._isString(t)?t:null==t?"":t+"";return this._setAttr("text",e),this}getWidth(){return this.attrs.width===ke||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width}getHeight(){return this.attrs.height===ke||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=Oe(),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()+Re+this.fontVariant()+Re+(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()===Te&&(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 Oe().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!==ke&&void 0!==a,o=n!==ke&&void 0!==n,h=this.padding(),l=a-2*h,d=n-2*h,c=0,g=this.wrap(),u="char"!==g&&g!==Ee,f=this.ellipsis();this.textArr=[],Oe().font=this._getContextFont();for(var p=f?this._getTextWidth("…"):0,v=0,m=t.length;vl)for(;_.length>0;){for(var x=0,b=_.length,S="",w=0;x>>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===Re||"-"===A)&&w<=l?S.length:Math.max(S.lastIndexOf(Re),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)&&vd)break}this.textHeight=e,this.textWidth=i}_shouldHandleEllipsis(t){var e=+this.fontSize(),i=this.lineHeight()*e,r=this.attrs.height,a=r!==ke&&void 0!==r,n=r-2*this.padding();return!(this.wrap()!==Ee)||a&&t+i>n}_tryToAddEllipsisToLastLine(){var t=this.attrs.width,e=t!==ke&&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+"…")=1){var i=e[0].p0;t.moveTo(i.x,i.y)}for(var r=0;r0&&(s+=t.dataArray[o].pathLength);var h=0;"center"===r&&(h=Math.max(0,s/2-n/2)),"right"===r&&(h=Math.max(0,s-n));for(var l,d,c,g=Ce(this.text()),u=this.text().split(" ").length-1,f=-1,p=0,v=function(){p=0;for(var e=t.dataArray,i=f+1;i0)return f=i,e[i];"M"===e[i].command&&(l={x:e[i].points[0],y:e[i].points[1]})}return{}},m=function(e){var a=t._getTextSize(e).width+i;" "===e&&"justify"===r&&(a+=(s-n)/u);var o=0,h=0;for(d=void 0;Math.abs(a-o)/a>.01&&h<20;){h++;for(var g=o;void 0===c;)(c=v())&&g+c.pathLengtha?d=ne.getPointOnLine(a,l.x,l.y,c.points[0],c.points[1],l.x,l.y):c=void 0;break;case"A":var m=c.points[4],_=c.points[5],y=c.points[4]+_;0===p?p=m+1e-8:a>o?p+=Math.PI/180*_/Math.abs(_):p-=Math.PI/360*_/Math.abs(_),(_<0&&p=0&&p>y)&&(p=y,f=!0),d=ne.getPointOnEllipticalArc(c.points[0],c.points[1],c.points[2],c.points[3],p,c.points[6]);break;case"C":0===p?p=a>c.pathLength?1e-8:a/c.pathLength:a>o?p+=(a-o)/c.pathLength/2:p=Math.max(p-(o-a)/c.pathLength/2,0),p>1&&(p=1,f=!0),d=ne.getPointOnCubicBezier(p,c.start.x,c.start.y,c.points[0],c.points[1],c.points[2],c.points[3],c.points[4],c.points[5]);break;case"Q":0===p?p=a/c.pathLength:a>o?p+=(a-o)/c.pathLength:p-=(o-a)/c.pathLength,p>1&&(p=1,f=!0),d=ne.getPointOnQuadraticBezier(p,c.start.x,c.start.y,c.points[0],c.points[1],c.points[2],c.points[3])}void 0!==d&&(o=ne.getLineLength(l.x,l.y,d.x,d.y)),f&&(f=!1,c=void 0)}},_=h/(t._getTextSize("C").width+i)-1,y=0;y<_&&(m("C"),void 0!==l&&void 0!==d);y++)l=d;for(var x=0;xt+`.${He}`)).join(" "),Ye="nodesRect",Xe=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"],je={"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 Ue="ontouchstart"in i._global;var qe=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"];function Ve(t,e,i){const r=i.x+(t.x-i.x)*Math.cos(e)-(t.y-i.y)*Math.sin(e),a=i.y+(t.x-i.x)*Math.sin(e)+(t.y-i.y)*Math.cos(e);return Object.assign(Object.assign({},t),{rotation:t.rotation+e,x:r,y:a})}function Ke(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 Ve(t,e,i)}class Qe extends jt{constructor(t){super(t),this._transforming=!1,this._createElements(),this._handleMouseMove=this._handleMouseMove.bind(this),this._handleMouseUp=this._handleMouseUp.bind(this),this.update=this.update.bind(this),this.on(We,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 He+this._id}setNodes(t=[]){return this._nodes&&this._nodes.length&&this.detach(),this._nodes=t,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(Xe.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(Ye),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}_getNodeRect(){return this._getCache(Ye,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 Ve({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;var r,n,s,o;e.rotate(-i.getAngle(this.rotation())),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(),qe.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")}_createAnchor(t){var e=new _e({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:t+" _anchor",dragDistance:0,draggable:!0,hitStrokeWidth:Ue?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=function(t,e){if("rotater"===t)return"crosshair";e+=g.degToRad(je[t]||0);var i=(g.radToDeg(e)%360+360)%360;return g._inRange(i,337.5,360)||g._inRange(i,0,22.5)?"ns-resize":g._inRange(i,22.5,67.5)?"nesw-resize":g._inRange(i,67.5,112.5)?"ew-resize":g._inRange(i,112.5,157.5)?"nwse-resize":g._inRange(i,157.5,202.5)?"ns-resize":g._inRange(i,202.5,247.5)?"nesw-resize":g._inRange(i,247.5,292.5)?"ew-resize":g._inRange(i,292.5,337.5)?"nwse-resize":(g.error("Transformer has unknown angle for cursor detection: "+i),"pointer")}(t,r);e.getStage().content&&(e.getStage().content.style.cursor=a),this._cursorChange=!0})),e.on("mouseout",(()=>{e.getStage().content&&(e.getStage().content.style.cursor=""),this._cursorChange=!1})),this.add(e)}_createBack(){var t=new zt({name:"back",width:0,height:0,draggable:!0,sceneFunc(t){var e=this.getParent(),i=e.padding();t.beginPath(),t.rect(-i,-i,this.width()+2*i,this.height()+2*i),t.moveTo(this.width()/2,-i),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateAnchorOffset()*g._sign(this.height())-i),t.fillStrokeShape(this)},hitFunc:(t,e)=>{if(this.shouldOverdrawWholeArea()){var i=this.padding();t.beginPath(),t.rect(-i,-i,e.width()+2*i,e.height()+2*i),t.fillStrokeShape(e)}}});this.add(t),this._proxyDrag(t),t.on("dragstart",(t=>{t.cancelBubble=!0})),t.on("dragmove",(t=>{t.cancelBubble=!0})),t.on("dragend",(t=>{t.cancelBubble=!0})),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},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=this.keepRatio()||t.shiftKey,g=this.centeredScaling()||t.altKey;if("top-left"===this._movingAnchorName){if(c){var u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-right").x(),y:this.findOne(".bottom-right").y()};a=Math.sqrt(Math.pow(u.x-n.x(),2)+Math.pow(u.y-n.y(),2));var f=this.findOne(".top-left").x()>u.x?-1:1,p=this.findOne(".top-left").y()>u.y?-1:1;e=a*this.cos*f,r=a*this.sin*p,this.findOne(".top-left").x(u.x-e),this.findOne(".top-left").y(u.y-r)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(n.y());else if("top-right"===this._movingAnchorName){if(c){u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-left").x(),y:this.findOne(".bottom-left").y()};a=Math.sqrt(Math.pow(n.x()-u.x,2)+Math.pow(u.y-n.y(),2));f=this.findOne(".top-right").x()u.y?-1:1;e=a*this.cos*f,r=a*this.sin*p,this.findOne(".top-right").x(u.x+e),this.findOne(".top-right").y(u.y-r)}var v=n.position();this.findOne(".top-left").y(v.y),this.findOne(".bottom-right").x(v.x)}else if("middle-left"===this._movingAnchorName)this.findOne(".top-left").x(n.x());else if("middle-right"===this._movingAnchorName)this.findOne(".bottom-right").x(n.x());else if("bottom-left"===this._movingAnchorName){if(c){u=g?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-right").x(),y:this.findOne(".top-right").y()};a=Math.sqrt(Math.pow(u.x-n.x(),2)+Math.pow(n.y()-u.y,2));f=u.x{e._fire("transformend",{evt:t,target:e})})),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();const n=this.flipEnabled();var s=new a;if(s.rotate(i.getAngle(this.rotation())),this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("left")>=0){const e=s.point({x:2*-this.padding(),y:0});if(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,!n)return void this.update()}else if(this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("right")>=0){const e=s.point({x:2*this.padding(),y:0});if(this._movingAnchorName=this._movingAnchorName.replace("right","left"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y,t.width+=2*this.padding(),!n)return void this.update()}if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("top")>=0){const e=s.point({x:0,y:2*-this.padding()});if(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(),!n)return void this.update()}else if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("bottom")>=0){const e=s.point({x:0,y:2*this.padding()});if(this._movingAnchorName=this._movingAnchorName.replace("bottom","top"),this._anchorDragOffset.x-=e.x,this._anchorDragOffset.y-=e.y,t.height+=2*this.padding(),!n)return void this.update()}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 o=1e7,h=new a;h.translate(r.x,r.y),h.rotate(r.rotation),h.scale(r.width/o,r.height/o);const l=new a;l.translate(t.x,t.y),l.rotate(t.rotation),l.scale(t.width/o,t.height/o);const d=l.multiply(h.invert());this._nodes.forEach((t=>{var i;const r=t.getParent().getAbsoluteTransform(),n=t.getTransform().copy();n.translate(t.offsetX(),t.offsetY());const s=new a;s.multiply(r.copy().invert()).multiply(d).multiply(r).multiply(n);const o=s.decompose();t.setAttrs(o),this._fire("transform",{evt:e,target:t}),t._fire("transform",{evt:e,target:t}),null===(i=t.getLayer())||void 0===i||i.batchDraw()})),this.rotation(g._getRotation(t.rotation)),this._resetTransformCache(),this.update(),this.getLayer().batchDraw()}forceUpdate(){this._resetTransformCache(),this.update()}_batchChangeChild(t,e){this.findOne(t).setAttrs(e)}update(){var t,e=this._getNodeRect();this.rotation(g._getRotation(e.rotation));var i=e.width,r=e.height,a=this.enabledAnchors(),n=this.resizeEnabled(),s=this.padding(),o=this.anchorSize();this.find("._anchor").forEach((t=>{t.setAttrs({width:o,height:o,offsetX:o/2,offsetY:o/2,stroke:this.anchorStroke(),strokeWidth:this.anchorStrokeWidth(),fill:this.anchorFill(),cornerRadius:this.anchorCornerRadius()})})),this._batchChangeChild(".top-left",{x:0,y:0,offsetX:o/2+s,offsetY:o/2+s,visible:n&&a.indexOf("top-left")>=0}),this._batchChangeChild(".top-center",{x:i/2,y:0,offsetY:o/2+s,visible:n&&a.indexOf("top-center")>=0}),this._batchChangeChild(".top-right",{x:i,y:0,offsetX:o/2-s,offsetY:o/2+s,visible:n&&a.indexOf("top-right")>=0}),this._batchChangeChild(".middle-left",{x:0,y:r/2,offsetX:o/2+s,visible:n&&a.indexOf("middle-left")>=0}),this._batchChangeChild(".middle-right",{x:i,y:r/2,offsetX:o/2-s,visible:n&&a.indexOf("middle-right")>=0}),this._batchChangeChild(".bottom-left",{x:0,y:r,offsetX:o/2+s,offsetY:o/2-s,visible:n&&a.indexOf("bottom-left")>=0}),this._batchChangeChild(".bottom-center",{x:i/2,y:r,offsetY:o/2-s,visible:n&&a.indexOf("bottom-center")>=0}),this._batchChangeChild(".bottom-right",{x:i,y:r,offsetX:o/2-s,offsetY:o/2-s,visible:n&&a.indexOf("bottom-right")>=0}),this._batchChangeChild(".rotater",{x:i/2,y:-this.rotateAnchorOffset()*g._sign(r)-s,visible:this.rotateEnabled()}),this._batchChangeChild(".back",{width:i,height:r,visible:this.borderEnabled(),stroke:this.borderStroke(),strokeWidth:this.borderStrokeWidth(),dash:this.borderDash(),x:0,y:0}),null===(t=this.getLayer())||void 0===t||t.batchDraw()}isTransforming(){return this._transforming}stopTransform(){if(this._transforming){this._removeEvents();var t=this.findOne("."+this._movingAnchorName);t&&t.stopDrag()}}destroy(){return this.getStage()&&this._cursorChange&&this.getStage().content&&(this.getStage().content.style.cursor=""),jt.prototype.destroy.call(this),this.detach(),this._removeEvents(),this}toObject(){return K.prototype.toObject.call(this)}clone(t){return K.prototype.clone.call(this,t)}getClientRect(){return this.nodes().length>0?super.getClientRect():{x:0,y:0,width:0,height:0}}}Qe.prototype.className="Transformer",r(Qe),w.addGetterSetter(Qe,"enabledAnchors",qe,(function(t){return t instanceof Array||g.warn("enabledAnchors value should be an array"),t instanceof Array&&t.forEach((function(t){-1===qe.indexOf(t)&&g.warn("Unknown anchor name: "+t+". Available names are: "+qe.join(", "))})),t||[]})),w.addGetterSetter(Qe,"flipEnabled",!0,x()),w.addGetterSetter(Qe,"resizeEnabled",!0),w.addGetterSetter(Qe,"anchorSize",10,p()),w.addGetterSetter(Qe,"rotateEnabled",!0),w.addGetterSetter(Qe,"rotationSnaps",[]),w.addGetterSetter(Qe,"rotateAnchorOffset",50,p()),w.addGetterSetter(Qe,"rotationSnapTolerance",5,p()),w.addGetterSetter(Qe,"borderEnabled",!0),w.addGetterSetter(Qe,"anchorStroke","rgb(0, 161, 255)"),w.addGetterSetter(Qe,"anchorStrokeWidth",1,p()),w.addGetterSetter(Qe,"anchorFill","white"),w.addGetterSetter(Qe,"anchorCornerRadius",0,p()),w.addGetterSetter(Qe,"borderStroke","rgb(0, 161, 255)"),w.addGetterSetter(Qe,"borderStrokeWidth",1,p()),w.addGetterSetter(Qe,"borderDash"),w.addGetterSetter(Qe,"keepRatio",!0),w.addGetterSetter(Qe,"centeredScaling",!1),w.addGetterSetter(Qe,"ignoreStroke",!1),w.addGetterSetter(Qe,"padding",0,p()),w.addGetterSetter(Qe,"node"),w.addGetterSetter(Qe,"nodes"),w.addGetterSetter(Qe,"boundBoxFunc"),w.addGetterSetter(Qe,"anchorDragBoundFunc"),w.addGetterSetter(Qe,"shouldOverdrawWholeArea",!1),w.addGetterSetter(Qe,"useSingleNodeRotation",!0),w.backCompat(Qe,{lineEnabled:"borderEnabled",rotateHandlerOffset:"rotateAnchorOffset",enabledHandlers:"enabledAnchors"});class Je extends zt{_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 Ze(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}Je.prototype.className="Wedge",Je.prototype._centroid=!0,Je.prototype._attrsAffectingSize=["radius"],r(Je),w.addGetterSetter(Je,"radius",0,p()),w.addGetterSetter(Je,"angle",0,p()),w.addGetterSetter(Je,"clockwise",!1),w.backCompat(Je,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"});var $e=[512,512,456,512,328,456,335,512,405,328,271,456,388,335,292,512,454,405,364,328,298,271,496,456,420,388,360,335,312,292,273,512,482,454,428,405,383,364,345,328,312,298,284,271,259,496,475,456,437,420,404,388,374,360,347,335,323,312,302,292,282,273,265,512,497,482,468,454,441,428,417,405,394,383,373,364,354,345,337,328,320,312,305,298,291,284,278,271,265,259,507,496,485,475,465,456,446,437,428,420,412,404,396,388,381,374,367,360,354,347,341,335,329,323,318,312,307,302,297,292,287,282,278,273,269,265,261,512,505,497,489,482,475,468,461,454,447,441,435,428,422,417,411,405,399,394,389,383,378,373,368,364,359,354,350,345,341,337,332,328,324,320,316,312,309,305,301,298,294,291,287,284,281,278,274,271,268,265,262,259,257,507,501,496,491,485,480,475,470,465,460,456,451,446,442,437,433,428,424,420,416,412,408,404,400,396,392,388,385,381,377,374,370,367,363,360,357,354,350,347,344,341,338,335,332,329,326,323,320,318,315,312,310,307,304,302,299,297,294,292,289,287,285,282,280,278,275,273,271,269,267,265,263,261,259],ti=[9,11,12,13,13,14,14,15,15,15,15,16,16,16,16,17,17,17,17,17,17,17,18,18,18,18,18,18,18,18,18,19,19,19,19,19,19,19,19,19,19,19,19,19,19,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24];w.addGetterSetter(K,"blurRadius",0,p(),w.afterSetFilter);w.addGetterSetter(K,"brightness",0,p(),w.afterSetFilter);w.addGetterSetter(K,"contrast",0,p(),w.afterSetFilter);function ei(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(K,"embossStrength",.5,p(),w.afterSetFilter),w.addGetterSetter(K,"embossWhiteLevel",.5,p(),w.afterSetFilter),w.addGetterSetter(K,"embossDirection","top-left",null,w.afterSetFilter),w.addGetterSetter(K,"embossBlend",!1,null,w.afterSetFilter);w.addGetterSetter(K,"enhance",0,p(),w.afterSetFilter);w.addGetterSetter(K,"hue",0,p(),w.afterSetFilter),w.addGetterSetter(K,"saturation",0,p(),w.afterSetFilter),w.addGetterSetter(K,"luminance",0,p(),w.afterSetFilter);w.addGetterSetter(K,"hue",0,p(),w.afterSetFilter),w.addGetterSetter(K,"saturation",0,p(),w.afterSetFilter),w.addGetterSetter(K,"value",0,p(),w.afterSetFilter);function ii(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 ri(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(K,"kaleidoscopePower",2,p(),w.afterSetFilter),w.addGetterSetter(K,"kaleidoscopeAngle",0,p(),w.afterSetFilter);w.addGetterSetter(K,"threshold",0,p(),w.afterSetFilter);w.addGetterSetter(K,"noise",.2,p(),w.afterSetFilter);w.addGetterSetter(K,"pixelSize",8,p(),w.afterSetFilter);w.addGetterSetter(K,"levels",.5,p(),w.afterSetFilter);w.addGetterSetter(K,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(K,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(K,"blue",0,f,w.afterSetFilter);w.addGetterSetter(K,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(K,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),w.addGetterSetter(K,"blue",0,f,w.afterSetFilter),w.addGetterSetter(K,"alpha",1,(function(t){return this._filterUpToDate=!1,t>1?1:t<0?0:t}));w.addGetterSetter(K,"threshold",.5,p(),w.afterSetFilter);return te.Util._assign(te,{Arc:ee,Arrow:se,Circle:oe,Ellipse:he,Image:le,Label:ve,Tag:me,Line:ae,Path:ne,Rect:_e,RegularPolygon:ye,Ring:be,Sprite:Se,Star:we,Text:Ie,TextPath:ze,Transformer:Qe,Wedge:Je,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,L=E*(E+1)/2,D=new Ze,O=null,I=D,F=null,N=null,B=$e[e],z=ti[e];for(a=1;a>z,0!==C?(C=255/C,k[o]=(l*B>>z)*C,k[o+1]=(d*B>>z)*C,k[o+2]=(c*B>>z)*C):k[o]=k[o+1]=k[o+2]=0,l-=u,d-=f,c-=p,g-=v,u-=F.r,f-=F.g,p-=F.b,v-=F.a,n=h+((n=i+e+1)>z,C>0?(C=255/C,k[n]=(l*B>>z)*C,k[n+1]=(d*B>>z)*C,k[n+2]=(c*B>>z)*C):k[n]=k[n+1]=k[n+2]=0,l-=u,d-=f,c-=p,g-=v,u-=F.r,f-=F.g,p-=F.b,v-=F.a,n=i+((n=r+E)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;ah&&(h=e),(i=n[a+1])d&&(d=i),(r=n[a+2])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;am?s:m;var _,y,x,b,S=d,w=l,C=360/w*Math.PI/180;for(y=0;yd&&(x=y,b=0,S=-1),i=0;iy?h:y;var x,b,S,w=g,C=c,P=i.polarRotation||0;for(a=0;a=0&&u=0&&f=0&&u=0&&f=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=0&&u=0&&f=m))for(i=d;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=m))for(i=d;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;e127&&(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