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konva.min.js
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Konva=e()}(this,function(){"use strict";
/*
* Konva JavaScript Framework v4.1.0
* http://konvajs.org/
* Licensed under the MIT
* Date: Mon Dec 23 2019
*
* Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
* Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
*
* @license
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k=["arc","arcTo","beginPath","bezierCurveTo","clearRect","clip","closePath","createLinearGradient","createPattern","createRadialGradient","drawImage","ellipse","fill","fillText","getImageData","createImageData","lineTo","moveTo","putImageData","quadraticCurveTo","rect","restore","rotate","save","scale","setLineDash","setTransform","stroke","strokeText","transform","translate"],T=(A.prototype.fillShape=function(t){t.getFillEnabled()&&this._fill(t)},A.prototype._fill=function(t){},A.prototype.strokeShape=function(t){t.getStrokeEnabled()&&this._stroke(t)},A.prototype._stroke=function(t){},A.prototype.fillStrokeShape=function(t){t.getFillEnabled()&&this._fill(t),t.getStrokeEnabled()&&this._stroke(t)},A.prototype.getTrace=function(t){var e,i,n,r,o=this.traceArr,a=o.length,s="";for(e=0;e<a;e++)(n=(i=o[e]).method)?(r=i.args,s+=n,t?s+="()":E._isArray(r[0])?s+="(["+r.join(",")+"])":s+="("+r.join(",")+")"):(s+=i.property,t||(s+="="+i.val)),s+=";";return 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this._context.getLineDash()},A.prototype.setTransform=function(t,e,i,n,r,o){this._context.setTransform(t,e,i,n,r,o)},A.prototype.stroke=function(){this._context.stroke()},A.prototype.strokeText=function(t,e,i,n){this._context.strokeText(t,e,i,n)},A.prototype.transform=function(t,e,i,n,r,o){this._context.transform(t,e,i,n,r,o)},A.prototype.translate=function(t,e){this._context.translate(t,e)},A.prototype._enableTrace=function(){function t(t){var e,i=r[t];r[t]=function(){return n=o(Array.prototype.slice.call(arguments,0)),e=i.apply(r,arguments),r._trace({method:t,args:n}),e}}var e,n,r=this,i=k.length,o=E._simplifyArray,a=this.setAttr;for(e=0;e<i;e++)t(k[e]);r.setAttr=function(){a.apply(r,arguments);var t=arguments[0],e=arguments[1];"shadowOffsetX"!==t&&"shadowOffsetY"!==t&&"shadowBlur"!==t||(e/=this.canvas.getPixelRatio()),r._trace({property:t,val:e})}},A.prototype._applyGlobalCompositeOperation=function(t){var 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this._cache.get(tt)},pt.prototype._clearSelfAndDescendantCache=function(e){this._clearCache(e),this.isCached()||this.children&&this.children.each(function(t){t._clearSelfAndDescendantCache(e)})},pt.prototype.clearCache=function(){return this._cache.delete(tt),this._clearSelfAndDescendantCache(),this},pt.prototype.cache=function(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 n=Math.ceil(e.width||i.width),r=Math.ceil(e.height||i.height),o=e.pixelRatio,a=void 0===e.x?i.x:e.x,s=void 0===e.y?i.y:e.y,h=e.offset||0,l=e.drawBorder||!1;if(n&&r){a-=h,s-=h;var d=new W({pixelRatio:o,width:n+=2*h,height:r+=2*h}),c=new W({pixelRatio:o,width:n,height:r}),p=new X({pixelRatio:1,width:n,height:r}),u=d.getContext(),f=p.getContext();return 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e=t.target.findAncestors(n,!0,o),i=0;i<e.length;i++)(t=E.cloneObject(t)).currentTarget=e[i],r.call(e[i],t)})},pt.prototype.remove=function(){return this.isDragging()&&this.stopDrag(),U._dragElements.delete(this._id),this._remove(),this},pt.prototype._remove=function(){this._clearSelfAndDescendantCache("stage"),this._clearSelfAndDescendantCache(Z),this._clearSelfAndDescendantCache(ot),this._clearSelfAndDescendantCache(et),this._clearSelfAndDescendantCache(J);var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)},pt.prototype.destroy=function(){q(this.id(),this);for(var t=(this.name()||"").split(/\s/g),e=0;e<t.length;e++){var i=t[e];V(i,this._id)}return this.remove(),this},pt.prototype.getAttr=function(t){var e="get"+E._capitalize(t);return E._isFunction(this[e])?this[e]():this.attrs[t]},pt.prototype.getAncestors=function(){for(var t=this.getParent(),e=new o;t;)e.push(t),t=t.getParent();return e},pt.prototype.getAttrs=function(){return this.attrs||{}},pt.prototype.setAttrs=function(t){var e,i;if(!t)return this;for(e in t)"children"!==e&&(i="set"+E._capitalize(e),E._isFunction(this[i])?this[i](t[e]):this._setAttr(e,t[e]));return this},pt.prototype.isListening=function(){return this._getCache(et,this._isListening)},pt.prototype._isListening=function(){var t=this.listening(),e=this.getParent();return"inherit"===t?!e||e.isListening():t},pt.prototype.isVisible=function(){return this._getCache(ot,this._isVisible)},pt.prototype._isVisible=function(t){var e=this.visible(),i=this.getParent();return"inherit"===e?!i||i===t||i._isVisible(t):t&&t!==i?e&&i._isVisible(t):e},pt.prototype.shouldDrawHit=function(){var t=this.getLayer();return!t&&this.isListening()&&this.isVisible()||t&&t.hitGraphEnabled()&&this.isListening()&&this.isVisible()},pt.prototype.show=function(){return this.visible(!0),this},pt.prototype.hide=function(){return this.visible(!1),this},pt.prototype.getZIndex=function(){return this.index||0},pt.prototype.getAbsoluteZIndex=function(){var i,n,r,o,a=this.getDepth(),s=this,h=0;return"Stage"!==s.nodeType&&function t(e){for(i=[],n=e.length,r=0;r<n;r++)o=e[r],h++,"Shape"!==o.nodeType&&(i=i.concat(o.getChildren().toArray())),o._id===s._id&&(r=n);0<i.length&&i[0].getDepth()<=a&&t(i)}(s.getStage().getChildren()),h},pt.prototype.getDepth=function(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t},pt.prototype.setPosition=function(t){return this.x(t.x),this.y(t.y),this},pt.prototype.getPosition=function(){return{x:this.x(),y:this.y()}},pt.prototype.getAbsolutePosition=function(t){for(var e=!1,i=this.parent;i;){if(i.isCached()){e=!0;break}i=i.parent}e&&!t&&(t=!0);var n=this.getAbsoluteTransform(t).getMatrix(),r=new d,o=this.offset();return r.m=n.slice(),r.translate(o.x,o.y),r.getTranslation()},pt.prototype.setAbsolutePosition=function(t){var e,i=this._clearTransform();return this.attrs.x=i.x,this.attrs.y=i.y,delete i.x,delete i.y,(e=this.getAbsoluteTransform()).invert(),e.translate(t.x,t.y),t={x:this.attrs.x+e.getTranslation().x,y:this.attrs.y+e.getTranslation().y},this.setPosition({x:t.x,y:t.y}),this._setTransform(i),this},pt.prototype._setTransform=function(t){var e;for(e in t)this.attrs[e]=t[e];this._clearCache(rt),this._clearSelfAndDescendantCache(Z)},pt.prototype._clearTransform=function(){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,this._clearCache(rt),this._clearSelfAndDescendantCache(Z),t},pt.prototype.move=function(t){var e=t.x,i=t.y,n=this.x(),r=this.y();return void 0!==e&&(n+=e),void 0!==i&&(r+=i),this.setPosition({x:n,y:r}),this},pt.prototype._eachAncestorReverse=function(t,e){var i,n,r=[],o=this.getParent();if(e&&e._id===this._id)t(this);else{for(r.unshift(this);o&&(!e||o._id!==e._id);)r.unshift(o),o=o.parent;for(i=r.length,n=0;n<i;n++)t(r[n])}},pt.prototype.rotate=function(t){return this.rotation(this.rotation()+t),this},pt.prototype.moveToTop=function(){if(!this.parent)return E.warn("Node has no parent. moveToTop function is ignored."),!1;var t=this.index;return this.parent.children.splice(t,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0},pt.prototype.moveUp=function(){if(!this.parent)return E.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)},pt.prototype.moveDown=function(){if(!this.parent)return E.warn("Node has no parent. moveDown function is ignored."),!1;var t=this.index;return 0<t&&(this.parent.children.splice(t,1),this.parent.children.splice(t-1,0,this),this.parent._setChildrenIndices(),!0)},pt.prototype.moveToBottom=function(){if(!this.parent)return E.warn("Node has no parent. moveToBottom function is ignored."),!1;var t=this.index;return 0<t&&(this.parent.children.splice(t,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0)},pt.prototype.setZIndex=function(t){if(!this.parent)return E.warn("Node has no parent. zIndex parameter is ignored."),this;(t<0||t>=this.parent.children.length)&&E.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},pt.prototype.getAbsoluteOpacity=function(){return this._getCache(J,this._getAbsoluteOpacity)},pt.prototype._getAbsoluteOpacity=function(){var t=this.opacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=e.getAbsoluteOpacity()),t},pt.prototype.moveTo=function(t){return this.getParent()!==t&&(this._remove(),t.add(this)),this},pt.prototype.toObject=function(){var t,e,i,n={},r=this.getAttrs();for(t in n.attrs={},r)e=r[t],E.isObject(e)&&!E._isPlainObject(e)&&!E._isArray(e)||(i="function"==typeof this[t]&&this[t],delete r[t],(i?i.call(this):null)!==(r[t]=e)&&(n.attrs[t]=e));return n.className=this.getClassName(),E._prepareToStringify(n)},pt.prototype.toJSON=function(){return JSON.stringify(this.toObject())},pt.prototype.getParent=function(){return this.parent},pt.prototype.findAncestors=function(t,e,i){var n=[];e&&this._isMatch(t)&&n.push(this);for(var r=this.parent;r;){if(r===i)return n;r._isMatch(t)&&n.push(r),r=r.parent}return n},pt.prototype.isAncestorOf=function(t){return!1},pt.prototype.findAncestor=function(t,e,i){return this.findAncestors(t,e,i)[0]},pt.prototype._isMatch=function(t){if(!t)return!1;if("function"==typeof t)return t(this);var e,i,n=t.replace(/ /g,"").split(","),r=n.length;for(e=0;e<r;e++)if(i=n[e],E.isValidSelector(i)||(E.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),E.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),E.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},pt.prototype.getLayer=function(){var t=this.getParent();return t?t.getLayer():null},pt.prototype.getStage=function(){return this._getCache("stage",this._getStage)},pt.prototype._getStage=function(){var t=this.getParent();return t?t.getStage():void 0},pt.prototype.fire=function(t,e,i){return(e=e||{}).target=e.target||this,i?this._fireAndBubble(t,e):this._fire(t,e),this},pt.prototype.getAbsoluteTransform=function(t){return t?this._getAbsoluteTransform(t):this._getCache(Z,this._getAbsoluteTransform)},pt.prototype._getAbsoluteTransform=function(t){var i;if(t)return i=new d,this._eachAncestorReverse(function(t){var e=t.transformsEnabled();"all"===e?i.multiply(t.getTransform()):"position"===e&&i.translate(t.x()-t.offsetX(),t.y()-t.offsetY())},t),i;i=this.parent?this.parent.getAbsoluteTransform().copy():new d;var e=this.transformsEnabled();return"all"===e?i.multiply(this.getTransform()):"position"===e&&i.translate(this.x()-this.offsetX(),this.y()-this.offsetY()),i},pt.prototype.getAbsoluteScale=function(t){return t?this._getAbsoluteScale(t):this._getCache($,this._getAbsoluteScale)},pt.prototype._getAbsoluteScale=function(t){for(var e=this;e;)e._isUnderCache&&(t=e),e=e.getParent();var i=1,n=1;return this._eachAncestorReverse(function(t){i*=t.scaleX(),n*=t.scaleY()},t),{x:i,y:n}},pt.prototype.getTransform=function(){return this._getCache(rt,this._getTransform)},pt.prototype._getTransform=function(){var t=new d,e=this.x(),i=this.y(),n=I.getAngle(this.rotation()),r=this.scaleX(),o=this.scaleY(),a=this.skewX(),s=this.skewY(),h=this.offsetX(),l=this.offsetY();return 0===e&&0===i||t.translate(e,i),0!==n&&t.rotate(n),0===a&&0===s||t.skew(a,s),1===r&&1===o||t.scale(r,o),0===h&&0===l||t.translate(-1*h,-1*l),t},pt.prototype.clone=function(t){var e,i,n,r,o,a=E.cloneObject(this.attrs);for(var s in at)delete a[at[s]];for(e in t)a[e]=t[e];var h=new this.constructor(a);for(e in this.eventListeners)for(n=(i=this.eventListeners[e]).length,r=0;r<n;r++)(o=i[r]).name.indexOf("konva")<0&&(h.eventListeners[e]||(h.eventListeners[e]=[]),h.eventListeners[e].push(o));return h},pt.prototype._toKonvaCanvas=function(t){t=t||{};var e=this.getClientRect(),i=this.getStage(),n=void 0!==t.x?t.x:e.x,r=void 0!==t.y?t.y:e.y,o=t.pixelRatio||1,a=new W({width:t.width||e.width||(i?i.width():0),height:t.height||e.height||(i?i.height():0),pixelRatio:o}),s=a.getContext();return s.save(),(n||r)&&s.translate(-1*n,-1*r),this.drawScene(a),s.restore(),a},pt.prototype.toCanvas=function(t){return this._toKonvaCanvas(t)._canvas},pt.prototype.toDataURL=function(t){var e=(t=t||{}).mimeType||null,i=t.quality||null,n=this._toKonvaCanvas(t).toDataURL(e,i);return t.callback&&t.callback(n),n},pt.prototype.toImage=function(t){if(!t||!t.callback)throw"callback required for toImage method config argument";var e=t.callback;delete t.callback,E._urlToImage(this.toDataURL(t),function(t){e(t)})},pt.prototype.setSize=function(t){return this.width(t.width),this.height(t.height),this},pt.prototype.getSize=function(){return{width:this.width(),height:this.height()}},pt.prototype.getClassName=function(){return this.className||this.nodeType},pt.prototype.getType=function(){return this.nodeType},pt.prototype.getDragDistance=function(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():I.dragDistance},pt.prototype._off=function(t,e,i){var n,r,o,a=this.eventListeners[t];for(n=0;n<a.length;n++)if(r=a[n].name,o=a[n].handler,!("konva"===r&&"konva"!==e||e&&r!==e||i&&i!==o)){if(a.splice(n,1),0===a.length){delete this.eventListeners[t];break}n--}},pt.prototype._fireChangeEvent=function(t,e,i){this._fire(t+"Change",{oldVal:e,newVal:i})},pt.prototype.setId=function(t){var e=this.id();return q(e,this),function(t,e){e&&(K[e]=t)}(this,t),this._setAttr("id",t),this},pt.prototype.setName=function(t){var e,i,n,r,o=(this.name()||"").split(/\s/g),a=(t||"").split(/\s/g);for(i=0;i<o.length;i++)e=o[i],-1===a.indexOf(e)&&e&&V(e,this._id);for(i=0;i<a.length;i++)e=a[i],-1===o.indexOf(e)&&e&&(n=this,(r=e)&&(Q[r]||(Q[r]=[]),Q[r].push(n)));return this._setAttr("name",t),this},pt.prototype.addName=function(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.setName(i)}return this},pt.prototype.hasName=function(t){if(!t)return!1;var e=this.name();return!!e&&-1!==(e||"").split(/\s/g).indexOf(t)},pt.prototype.removeName=function(t){var e=(this.name()||"").split(/\s/g),i=e.indexOf(t);return-1!==i&&(e.splice(i,1),this.setName(e.join(" "))),this},pt.prototype.setAttr=function(t,e){var i=this["set"+E._capitalize(t)];return E._isFunction(i)?i.call(this,e):this._setAttr(t,e),this},pt.prototype._setAttr=function(t,e){var i=this.attrs[t];i===e&&!E.isObject(e)||(null==e?delete this.attrs[t]:this.attrs[t]=e,this._fireChangeEvent(t,i,e))},pt.prototype._setComponentAttr=function(t,e,i){var n;void 0!==i&&((n=this.attrs[t])||(this.attrs[t]=this.getAttr(t)),this.attrs[t][e]=i,this._fireChangeEvent(t,n,i))},pt.prototype._fireAndBubble=function(t,e,i){if(e&&"Shape"===this.nodeType&&(e.target=this),t!==it&&t!==nt||!(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i)){this._fire(t,e);var n=(t===it||t===nt)&&i&&i.isAncestorOf&&i.isAncestorOf(this)&&!i.isAncestorOf(this.parent);(e&&!e.cancelBubble||!e)&&this.parent&&this.parent.isListening()&&!n&&(i&&i.parent?this._fireAndBubble.call(this.parent,t,e,i.parent):this._fireAndBubble.call(this.parent,t,e))}},pt.prototype._fire=function(t,e){var i,n=this.eventListeners[t];if(n)for((e=e||{}).currentTarget=this,e.type=t,i=0;i<n.length;i++)n[i].handler.call(this,e)},pt.prototype.draw=function(){return this.drawScene(),this.drawHit(),this},pt.prototype._createDragElement=function(t){var e=t?t.pointerId:void 0,i=this.getStage(),n=this.getAbsolutePosition(),r=i._getPointerById(e)||i._changedPointerPositions[0]||n;U._dragElements.set(this._id,{node:this,startPointerPos:r,offset:{x:r.x-n.x,y:r.y-n.y},dragStatus:"ready",pointerId:e})},pt.prototype.startDrag=function(t){U._dragElements.has(this._id)||this._createDragElement(t),U._dragElements.get(this._id).dragStatus="dragging",this.fire("dragstart",{type:"dragstart",target:this,evt:t&&t.evt},!0)},pt.prototype._setDragPosition=function(t,e){var i=this.getStage()._getPointerById(e.pointerId);if(i){var n={x:i.x-e.offset.x,y:i.y-e.offset.y},r=this.dragBoundFunc();if(void 0!==r){var o=r.call(this,n,t);o?n=o:E.warn("dragBoundFunc did not return any value. That is unexpected behavior. You must return new absolute position from dragBoundFunc.")}this._lastPos&&this._lastPos.x===n.x&&this._lastPos.y===n.y||(this.setAbsolutePosition(n),this.getLayer()?this.getLayer().batchDraw():this.getStage()&&this.getStage().batchDraw()),this._lastPos=n}},pt.prototype.stopDrag=function(t){var e=U._dragElements.get(this._id);e&&(e.dragStatus="stopped"),U._endDragBefore(t),U._endDragAfter(t)},pt.prototype.setDraggable=function(t){this._setAttr("draggable",t),this._dragChange()},pt.prototype.isDragging=function(){var t=U._dragElements.get(this._id);return!!t&&"dragging"===t.dragStatus},pt.prototype._listenDrag=function(){this._dragCleanup(),this.on("mousedown.konva touchstart.konva",function(t){var e=this;if((void 0===t.evt.button||0<=I.dragButtons.indexOf(t.evt.button))&&!this.isDragging()){var i=!1;U._dragElements.forEach(function(t){e.isAncestorOf(t.node)&&(i=!0)}),i||this._createDragElement(t)}})},pt.prototype._dragChange=function(){this.attrs.draggable?this._listenDrag():(this._dragCleanup(),this.getStage()&&U._dragElements.has(this._id)&&this.stopDrag())},pt.prototype._dragCleanup=function(){this.off("mousedown.konva"),this.off("touchstart.konva")},pt.create=function(t,e){return E._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)},pt._createNode=function(t,e){var i,n,r,o=pt.prototype.getClassName.call(t),a=t.children;if(e&&(t.attrs.container=e),s[o]||(E.warn('Can not find a node with class name "'+o+'". Fallback to "Shape".'),o="Shape"),i=new s[o](t.attrs),a)for(n=a.length,r=0;r<n;r++)i.add(pt._createNode(a[r]));return i},pt);function pt(t){var e=this;this._id=dt++,this.eventListeners={},this.attrs={},this.index=0,this.parent=null,this._cache=new Map,this._lastPos=null,this._filterUpToDate=!1,this._isUnderCache=!1,this.children=lt,this._dragEventId=null,this.setAttrs(t),this.on(st,function(){e._clearCache(rt),e._clearSelfAndDescendantCache(Z)}),this.on(ht,function(){e._clearSelfAndDescendantCache($)}),this.on("visibleChange.konva",function(){e._clearSelfAndDescendantCache(ot)}),this.on("listeningChange.konva",function(){e._clearSelfAndDescendantCache(et)}),this.on("opacityChange.konva",function(){e._clearSelfAndDescendantCache(J)})}ct.prototype.nodeType="Node",ct.prototype._attrsAffectingSize=[],w.addGetterSetter(ct,"zIndex"),w.addGetterSetter(ct,"absolutePosition"),w.addGetterSetter(ct,"position"),w.addGetterSetter(ct,"x",0,y()),w.addGetterSetter(ct,"y",0,y()),w.addGetterSetter(ct,"globalCompositeOperation","source-over",_()),w.addGetterSetter(ct,"opacity",1,y()),w.addGetterSetter(ct,"name","",_()),w.addGetterSetter(ct,"id","",_()),w.addGetterSetter(ct,"rotation",0,y()),w.addComponentsGetterSetter(ct,"scale",["x","y"]),w.addGetterSetter(ct,"scaleX",1,y()),w.addGetterSetter(ct,"scaleY",1,y()),w.addComponentsGetterSetter(ct,"skew",["x","y"]),w.addGetterSetter(ct,"skewX",0,y()),w.addGetterSetter(ct,"skewY",0,y()),w.addComponentsGetterSetter(ct,"offset",["x","y"]),w.addGetterSetter(ct,"offsetX",0,y()),w.addGetterSetter(ct,"offsetY",0,y()),w.addGetterSetter(ct,"dragDistance",null,y()),w.addGetterSetter(ct,"width",0,y()),w.addGetterSetter(ct,"height",0,y()),w.addGetterSetter(ct,"listening","inherit",function(t){return!0===t||!1===t||"inherit"===t||E.warn(t+' is a not valid value for "listening" attribute. The value may be true, false or "inherit".'),t}),w.addGetterSetter(ct,"preventDefault",!0,S()),w.addGetterSetter(ct,"filters",null,function(t){return this._filterUpToDate=!1,t}),w.addGetterSetter(ct,"visible","inherit",function(t){return!0===t||!1===t||"inherit"===t||E.warn(t+' is a not valid value for "visible" attribute. The value may be true, false or "inherit".'),t}),w.addGetterSetter(ct,"transformsEnabled","all",_()),w.addGetterSetter(ct,"size"),w.addGetterSetter(ct,"dragBoundFunc"),w.addGetterSetter(ct,"draggable",!1,S()),w.backCompat(ct,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"}),o.mapMethods(ct);var ut,ft=(P(gt,ut=ct),gt.prototype.getChildren=function(e){if(!e)return this.children;var i=new o;return this.children.each(function(t){e(t)&&i.push(t)}),i},gt.prototype.hasChildren=function(){return 0<this.getChildren().length},gt.prototype.removeChildren=function(){for(var t,e=0;e<this.children.length;e++)(t=this.children[e]).parent=null,t.index=0,t.remove();return this.children=new o,this},gt.prototype.destroyChildren=function(){for(var t,e=0;e<this.children.length;e++)(t=this.children[e]).parent=null,t.index=0,t.destroy();return this.children=new o,this},gt.prototype.add=function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];if(1<arguments.length){for(var i=0;i<arguments.length;i++)this.add(arguments[i]);return this}var n=arguments[0];if(n.getParent())return n.moveTo(this),this;var r=this.children;return this._validateAdd(n),n.index=r.length,n.parent=this,r.push(n),this._fire("add",{child:n}),this},gt.prototype.destroy=function(){return this.hasChildren()&&this.destroyChildren(),ut.prototype.destroy.call(this),this},gt.prototype.find=function(t){return this._generalFind(t,!1)},gt.prototype.get=function(t){return E.warn("collection.get() method is deprecated. Please use collection.find() instead."),this.find(t)},gt.prototype.findOne=function(t){var e=this._generalFind(t,!0);return 0<e.length?e[0]:void 0},gt.prototype._generalFind=function(i,n){var r=[];return this._descendants(function(t){var e=t._isMatch(i);return e&&r.push(t),!(!e||!n)}),o.toCollection(r)},gt.prototype._descendants=function(t){for(var e=0;e<this.children.length;e++){var i=this.children[e];if(t(i))return!0;if(i.hasChildren()&&i._descendants(t))return!0}return!1},gt.prototype.toObject=function(){var t=ct.prototype.toObject.call(this);t.children=[];for(var e=this.getChildren(),i=e.length,n=0;n<i;n++){var r=e[n];t.children.push(r.toObject())}return t},gt.prototype._getDescendants=function(t){for(var e=[],i=t.length,n=0;n<i;n++){var r=t[n];this.isAncestorOf(r)&&e.push(r)}return e},gt.prototype.isAncestorOf=function(t){for(var e=t.getParent();e;){if(e._id===this._id)return!0;e=e.getParent()}return!1},gt.prototype.clone=function(t){var e=ct.prototype.clone.call(this,t);return this.getChildren().each(function(t){e.add(t.clone())}),e},gt.prototype.getAllIntersections=function(e){var i=[];return this.find("Shape").each(function(t){t.isVisible()&&t.intersects(e)&&i.push(t)}),i},gt.prototype._setChildrenIndices=function(){this.children.each(function(t,e){t.index=e})},gt.prototype.drawScene=function(t,e,i){var n=this.getLayer(),r=t||n&&n.getCanvas(),o=r&&r.getContext(),a=this._getCanvasCache(),s=a&&a.scene;return(this.isVisible()||i)&&(!i&&s?(o.save(),n._applyTransform(this,o,e),this._drawCachedSceneCanvas(o),o.restore()):this._drawChildren(r,"drawScene",e,!1,i,i)),this},gt.prototype.drawHit=function(t,e,i){var n=this.getLayer(),r=t||n&&n.hitCanvas,o=r&&r.getContext(),a=this._getCanvasCache(),s=a&&a.hit;return(this.shouldDrawHit(r)||i)&&(!i&&s?(o.save(),n._applyTransform(this,o,e),this._drawCachedHitCanvas(o),o.restore()):this._drawChildren(r,"drawHit",e,!1,i,i)),this},gt.prototype._drawChildren=function(e,i,n,r,o,t){var a,s,h=this.getLayer(),l=e&&e.getContext(),d=this.clipWidth(),c=this.clipHeight(),p=this.clipFunc(),u=d&&c||p;if(u&&h){l.save();var f=this.getAbsoluteTransform(n),g=f.getMatrix();l.transform(g[0],g[1],g[2],g[3],g[4],g[5]),l.beginPath(),p?p.call(this,l,this):(a=this.clipX(),s=this.clipY(),l.rect(a,s,d,c)),l.clip(),g=f.copy().invert().getMatrix(),l.transform(g[0],g[1],g[2],g[3],g[4],g[5])}var v="source-over"!==this.globalCompositeOperation()&&!t&&"drawScene"===i;v&&h&&(l.save(),l._applyGlobalCompositeOperation(this)),this.children.each(function(t){t[i](e,n,r,o)}),v&&h&&l.restore(),u&&h&&l.restore()},gt.prototype.shouldDrawHit=function(t){if(t&&t.isCache)return!0;var e=this.getLayer(),i=!1;U._dragElements.forEach(function(t){"dragging"===t.dragStatus&&t.node.getLayer()===e&&(i=!0)});var n=!I.hitOnDragEnabled&&i;return e&&e.hitGraphEnabled()&&this.isVisible()&&!n},gt.prototype.getClientRect=function(i){var n,r,o,a,t=(i=i||{}).skipTransform,e=i.relativeTo,s={x:1/0,y:1/0,width:0,height:0},h=this;this.children.each(function(t){if(t.visible()){var e=t.getClientRect({relativeTo:h,skipShadow:i.skipShadow,skipStroke:i.skipStroke});0===e.width&&0===e.height||(a=void 0===n?(n=e.x,r=e.y,o=e.x+e.width,e.y+e.height):(n=Math.min(n,e.x),r=Math.min(r,e.y),o=Math.max(o,e.x+e.width),Math.max(a,e.y+e.height)))}});for(var l=this.find("Shape"),d=!1,c=0;c<l.length;c++)if(l[c]._isVisible(this)){d=!0;break}return s=d&&void 0!==n?{x:n,y:r,width:o-n,height:a-r}:{x:0,y:0,width:0,height:0},t?s:this._transformedRect(s,e)},gt);function gt(){var t=null!==ut&&ut.apply(this,arguments)||this;return t.children=new o,t}w.addComponentsGetterSetter(ft,"clip",["x","y","width","height"]),w.addGetterSetter(ft,"clipX",void 0,y()),w.addGetterSetter(ft,"clipY",void 0,y()),w.addGetterSetter(ft,"clipWidth",void 0,y()),w.addGetterSetter(ft,"clipHeight",void 0,y()),w.addGetterSetter(ft,"clipFunc"),o.mapMethods(ft);var vt=new Map,yt=void 0!==I._global.PointerEvent;function mt(t){return vt.get(t)}function _t(t){return{evt:t,pointerId:t.pointerId}}function St(t,e){return vt.get(t)===e}function bt(t,e){xt(t),e.getStage()&&(vt.set(t,e),yt&&e._fire("gotpointercapture",_t(new PointerEvent("gotpointercapture"))))}function xt(t){var e=vt.get(t);if(e){var i=e.getStage();i&&i.content,vt.delete(t),yt&&e._fire("lostpointercapture",_t(new PointerEvent("lostpointercapture")))}}var wt="mouseout",Ct="mouseleave",Pt="mouseover",kt="mouseenter",Tt="mousemove",At="mousedown",Mt="mouseup",Gt="pointermove",Rt="pointerdown",Ot="pointerup",Lt="contextmenu",It="dblclick",Et="touchstart",Dt="touchend",Ft="touchmove",Bt="wheel",zt="_",Nt=[kt,At,Tt,Mt,wt,Et,Ft,Dt,Pt,Bt,Lt,Rt,Gt,Ot,"pointercancel","lostpointercapture"],Wt=Nt.length;function Ht(e,i){e.content.addEventListener(i,function(t){e[zt+i](t)},!1)}var Yt=[];function Xt(t){return void 0===t&&(t={}),(t.clipFunc||t.clipWidth||t.clipHeight)&&E.warn("Stage does not support clipping. Please use clip for Layers or Groups."),t}var jt,Ut=(P(qt,jt=ft),qt.prototype._validateAdd=function(t){var e="Layer"===t.getType(),i="FastLayer"===t.getType();e||i||E.throw("You may only add layers to the stage.")},qt.prototype._checkVisibility=function(){var t=this.visible()?"":"none";this.content.style.display=t},qt.prototype.setContainer=function(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},qt.prototype.shouldDrawHit=function(){return!0},qt.prototype.clear=function(){var t,e=this.children,i=e.length;for(t=0;t<i;t++)e[t].clear();return this},qt.prototype.clone=function(t){return(t=t||{}).container=document.createElement("div"),ft.prototype.clone.call(this,t)},qt.prototype.destroy=function(){jt.prototype.destroy.call(this);var t=this.content;t&&E._isInDocument(t)&&this.container().removeChild(t);var e=Yt.indexOf(this);return-1<e&&Yt.splice(e,1),this},qt.prototype.getPointerPosition=function(){var t=this._pointerPositions[0]||this._changedPointerPositions[0];return t?{x:t.x,y:t.y}:(E.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)},qt.prototype._getPointerById=function(e){return this._pointerPositions.find(function(t){return t.id===e})},qt.prototype.getPointersPositions=function(){return this._pointerPositions},qt.prototype.getStage=function(){return this},qt.prototype.getContent=function(){return this.content},qt.prototype._toKonvaCanvas=function(i){var n=(i=i||{}).x||0,r=i.y||0,t=new W({width:i.width||this.width(),height:i.height||this.height(),pixelRatio:i.pixelRatio||1}),o=t.getContext()._context,e=this.children;return(n||r)&&o.translate(-1*n,-1*r),e.each(function(t){if(t.isVisible()){var e=t._toKonvaCanvas(i);o.drawImage(e._canvas,n,r,e.getWidth()/e.getPixelRatio(),e.getHeight()/e.getPixelRatio())}}),t},qt.prototype.getIntersection=function(t,e){if(!t)return null;var i,n,r=this.children;for(i=r.length-1;0<=i;i--)if(n=r[i].getIntersection(t,e))return n;return null},qt.prototype._resizeDOM=function(){if(this.content){var t,e,i=this.width(),n=this.height(),r=this.getChildren(),o=r.length;for(this.content.style.width=i+"px",this.content.style.height=n+"px",this.bufferCanvas.setSize(i,n),this.bufferHitCanvas.setSize(i,n),t=0;t<o;t++)(e=r[t]).setSize({width:i,height:n}),e.draw()}},qt.prototype.add=function(t){if(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}jt.prototype.add.call(this,t);var i=this.children.length;return 5<i&&E.warn("The stage has "+i+" 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._setCanvasSize(this.width(),this.height()),t.draw(),I.isBrowser&&this.content.appendChild(t.canvas._canvas),this},qt.prototype.getParent=function(){return null},qt.prototype.getLayer=function(){return null},qt.prototype.hasPointerCapture=function(t){return St(t,this)},qt.prototype.setPointerCapture=function(t){bt(t,this)},qt.prototype.releaseCapture=function(t){xt(t)},qt.prototype.getLayers=function(){return this.getChildren()},qt.prototype._bindContentEvents=function(){if(I.isBrowser)for(var t=0;t<Wt;t++)Ht(this,Nt[t])},qt.prototype._mouseenter=function(t){this.setPointersPositions(t),this._fire(kt,{evt:t,target:this,currentTarget:this})},qt.prototype._mouseover=function(t){this.setPointersPositions(t),this._fire("contentMouseover",{evt:t}),this._fire(Pt,{evt:t,target:this,currentTarget:this})},qt.prototype._mouseout=function(t){this.setPointersPositions(t);var e=this.targetShape,i=!U.isDragging||I.hitOnDragEnabled;e&&i?(e._fireAndBubble(wt,{evt:t}),e._fireAndBubble(Ct,{evt:t}),this._fire(Ct,{evt:t,target:this,currentTarget:this}),this.targetShape=null):i&&(this._fire(Ct,{evt:t,target:this,currentTarget:this}),this._fire(wt,{evt:t,target:this,currentTarget:this})),this.pointerPos=void 0,this._pointerPositions=[],this._fire("contentMouseout",{evt:t})},qt.prototype._mousemove=function(t){if(I.UA.ieMobile)return this._touchmove(t);this.setPointersPositions(t);var e,i=E._getFirstPointerId(t),n=!U.isDragging||I.hitOnDragEnabled;if(n){if((e=this.getIntersection(this.getPointerPosition()))&&e.isListening()){var r=!this.targetShape||this.targetShape!==e;n&&r?(this.targetShape&&(this.targetShape._fireAndBubble(wt,{evt:t,pointerId:i},e),this.targetShape._fireAndBubble(Ct,{evt:t,pointerId:i},e)),e._fireAndBubble(Pt,{evt:t,pointerId:i},this.targetShape),e._fireAndBubble(kt,{evt:t,pointerId:i},this.targetShape),e._fireAndBubble(Tt,{evt:t,pointerId:i}),this.targetShape=e):e._fireAndBubble(Tt,{evt:t,pointerId:i})}else this.targetShape&&n&&(this.targetShape._fireAndBubble(wt,{evt:t,pointerId:i}),this.targetShape._fireAndBubble(Ct,{evt:t,pointerId:i}),this._fire(Pt,{evt:t,target:this,currentTarget:this,pointerId:i}),this.targetShape=null),this._fire(Tt,{evt:t,target:this,currentTarget:this,pointerId:i});this._fire("contentMousemove",{evt:t})}t.cancelable&&t.preventDefault()},qt.prototype._mousedown=function(t){if(I.UA.ieMobile)return this._touchstart(t);this.setPointersPositions(t);var e=E._getFirstPointerId(t),i=this.getIntersection(this.getPointerPosition());U.justDragged=!1,I.listenClickTap=!0,i&&i.isListening()?(this.clickStartShape=i)._fireAndBubble(At,{evt:t,pointerId:e}):this._fire(At,{evt:t,target:this,currentTarget:this,pointerId:e}),this._fire("contentMousedown",{evt:t})},qt.prototype._mouseup=function(t){if(I.UA.ieMobile)return this._touchend(t);this.setPointersPositions(t);var e=E._getFirstPointerId(t),i=this.getIntersection(this.getPointerPosition()),n=this.clickStartShape,r=this.clickEndShape,o=!1;I.inDblClickWindow?(o=!0,clearTimeout(this.dblTimeout)):U.justDragged||(I.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout(function(){I.inDblClickWindow=!1},I.dblClickWindow),i&&i.isListening()?((this.clickEndShape=i)._fireAndBubble(Mt,{evt:t,pointerId:e}),I.listenClickTap&&n&&n._id===i._id&&(i._fireAndBubble("click",{evt:t,pointerId:e}),o&&r&&r===i&&i._fireAndBubble(It,{evt:t,pointerId:e}))):(this._fire(Mt,{evt:t,target:this,currentTarget:this,pointerId:e}),I.listenClickTap&&this._fire("click",{evt:t,target:this,currentTarget:this,pointerId:e}),o&&this._fire(It,{evt:t,target:this,currentTarget:this,pointerId:e})),this._fire("contentMouseup",{evt:t}),I.listenClickTap&&(this._fire("contentClick",{evt:t}),o&&this._fire("contentDblclick",{evt:t})),I.listenClickTap=!1,t.cancelable&&t.preventDefault()},qt.prototype._contextmenu=function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(Lt,{evt:t}):this._fire(Lt,{evt:t,target:this,currentTarget:this}),this._fire("contentContextmenu",{evt:t})},qt.prototype._touchstart=function(i){var n=this;this.setPointersPositions(i);var r=!1;this._changedPointerPositions.forEach(function(t){var e=n.getIntersection(t);I.listenClickTap=!0,U.justDragged=!1,e&&e.isListening()&&(I.captureTouchEventsEnabled&&e.setPointerCapture(t.id),(n.tapStartShape=e)._fireAndBubble(Et,{evt:i,pointerId:t.id},n),r=!0,e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault())}),r||this._fire(Et,{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchstart",{evt:i})},qt.prototype._touchmove=function(i){var n=this;if(this.setPointersPositions(i),!U.isDragging||I.hitOnDragEnabled){var r=!1,o={};this._changedPointerPositions.forEach(function(t){var e=mt(t.id)||n.getIntersection(t);e&&e.isListening()&&(o[e._id]||(o[e._id]=!0,e._fireAndBubble(Ft,{evt:i,pointerId:t.id}),r=!0,e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault()))}),r||this._fire(Ft,{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchmove",{evt:i})}U.isDragging&&U.node.preventDefault()&&i.cancelable&&i.preventDefault()},qt.prototype._touchend=function(i){var n=this;this.setPointersPositions(i);var r=this.clickEndShape,o=!1;I.inDblClickWindow?(o=!0,clearTimeout(this.dblTimeout)):U.justDragged||(I.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout(function(){I.inDblClickWindow=!1},I.dblClickWindow);var a=!1,s={},h=!1,l=!1;this._changedPointerPositions.forEach(function(t){var e=mt(t.id)||n.getIntersection(t);e&&e.releaseCapture(t.id),e&&e.isListening()&&(s[e._id]||(s[e._id]=!0,(n.clickEndShape=e)._fireAndBubble(Dt,{evt:i,pointerId:t.id}),a=!0,I.listenClickTap&&e===n.tapStartShape&&(h=!0,e._fireAndBubble("tap",{evt:i,pointerId:t.id}),o&&r&&r===e&&(l=!0,e._fireAndBubble("dbltap",{evt:i,pointerId:t.id}))),e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault()))}),a||this._fire(Dt,{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),I.listenClickTap&&!h&&this._fire("tap",{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),o&&!l&&this._fire("dbltap",{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchend",{evt:i}),I.listenClickTap&&(this._fire("contentTap",{evt:i}),o&&this._fire("contentDbltap",{evt:i})),I.listenClickTap=!1},qt.prototype._wheel=function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(Bt,{evt:t}):this._fire(Bt,{evt:t,target:this,currentTarget:this}),this._fire("contentWheel",{evt:t})},qt.prototype._pointerdown=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=mt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(Rt,_t(t))}},qt.prototype._pointermove=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=mt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(Gt,_t(t))}},qt.prototype._pointerup=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=mt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(Ot,_t(t)),xt(t.pointerId)}},qt.prototype._pointercancel=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=mt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(Ot,_t(t)),xt(t.pointerId)}},qt.prototype._lostpointercapture=function(t){xt(t.pointerId)},qt.prototype.setPointersPositions=function(t){var e=this,i=this._getContentPosition(),n=null,r=null;void 0!==(t=t||window.event).touches?(this._pointerPositions=[],this._changedPointerPositions=[],o.prototype.each.call(t.touches,function(t){e._pointerPositions.push({id:t.identifier,x:(t.clientX-i.left)/i.scaleX,y:(t.clientY-i.top)/i.scaleY})}),o.prototype.each.call(t.changedTouches||t.touches,function(t){e._changedPointerPositions.push({id:t.identifier,x:(t.clientX-i.left)/i.scaleX,y:(t.clientY-i.top)/i.scaleY})})):(n=(t.clientX-i.left)/i.scaleX,r=(t.clientY-i.top)/i.scaleY,this.pointerPos={x:n,y:r},this._pointerPositions=[{x:n,y:r,id:E._getFirstPointerId(t)}],this._changedPointerPositions=[{x:n,y:r,id:E._getFirstPointerId(t)}])},qt.prototype._setPointerPosition=function(t){E.warn('Method _setPointerPosition is deprecated. Use "stage.setPointersPositions(event)" instead.'),this.setPointersPositions(t)},qt.prototype._getContentPosition=function(){var t=this.content.getBoundingClientRect?this.content.getBoundingClientRect():{top:0,left:0,width:1e3,height:1e3};return{top:t.top,left:t.left,scaleX:t.width/this.content.clientWidth,scaleY:t.height/this.content.clientHeight}},qt.prototype._buildDOM=function(){if(this.bufferCanvas=new W,this.bufferHitCanvas=new X({pixelRatio:1}),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()}},qt.prototype.cache=function(){return E.warn("Cache function is not allowed for stage. 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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)},Qe.prototype.getWidth=function(){return 2*this.radiusX()},Qe.prototype.getHeight=function(){return 2*this.radiusY()},Qe.prototype.setWidth=function(t){this.radiusX(t/2)},Qe.prototype.setHeight=function(t){this.radiusY(t/2)},Qe);function Qe(){return null!==Ve&&Ve.apply(this,arguments)||this}Ke.prototype.className="Ellipse",Ke.prototype._centroid=!0,Ke.prototype._attrsAffectingSize=["radiusX","radiusY"],i(Ke),w.addComponentsGetterSetter(Ke,"radius",["x","y"]),w.addGetterSetter(Ke,"radiusX",0,y()),w.addGetterSetter(Ke,"radiusY",0,y()),o.mapMethods(Ke);var Je,Ze=(P($e,Je=ce),$e.prototype._useBufferCanvas=function(){return!(!this.hasShadow()&&1===this.getAbsoluteOpacity()||!this.hasStroke()||!this.getStage())},$e.prototype._sceneFunc=function(t){var 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e._updated=!1,t}),e.on("animationChange.konva",function(){this.frameIndex(0)}),e.on("frameIndexChange.konva",function(){this._updated=!0}),e.on("frameRateChange.konva",function(){this.anim.isRunning()&&(clearInterval(this.interval),this._setInterval())}),e}Pi.prototype.className="Sprite",i(Pi),w.addGetterSetter(Pi,"animation"),w.addGetterSetter(Pi,"animations"),w.addGetterSetter(Pi,"frameOffsets"),w.addGetterSetter(Pi,"image"),w.addGetterSetter(Pi,"frameIndex",0,y()),w.addGetterSetter(Pi,"frameRate",17,y()),w.backCompat(Pi,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"}),o.mapMethods(Pi);var Ti,Ai=(P(Mi,Ti=ce),Mi.prototype._sceneFunc=function(t){var e=this.innerRadius(),i=this.outerRadius(),n=this.numPoints();t.beginPath(),t.moveTo(0,0-i);for(var r=1;r<2*n;r++){var o=r%2==0?i:e,a=o*Math.sin(r*Math.PI/n),s=-1*o*Math.cos(r*Math.PI/n);t.lineTo(a,s)}t.closePath(),t.fillStrokeShape(this)},Mi.prototype.getWidth=function(){return 2*this.outerRadius()},Mi.prototype.getHeight=function(){return 2*this.outerRadius()},Mi.prototype.setWidth=function(t){this.outerRadius(t/2)},Mi.prototype.setHeight=function(t){this.outerRadius(t/2)},Mi);function Mi(){return null!==Ti&&Ti.apply(this,arguments)||this}Ai.prototype.className="Star",Ai.prototype._centroid=!0,Ai.prototype._attrsAffectingSize=["innerRadius","outerRadius"],i(Ai),w.addGetterSetter(Ai,"numPoints",5,y()),w.addGetterSetter(Ai,"innerRadius",0,y()),w.addGetterSetter(Ai,"outerRadius",0,y()),o.mapMethods(Ai);var Gi,Ri="auto",Oi="justify",Li=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","verticalAlign","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],Ii=Li.length;function Ei(){return Gi||(Gi=E.createCanvasElement().getContext("2d"))}var Di,Fi=(P(Bi,Di=ce),Bi.prototype._sceneFunc=function(t){var e,i=this.padding(),n=this.fontSize(),r=this.lineHeight()*n,o=this.textArr,a=o.length,s=this.verticalAlign(),h=0,l=this.align(),d=this.getWidth(),c=this.letterSpacing(),p=this.fill(),u=this.textDecoration(),f=-1!==u.indexOf("underline"),g=-1!==u.indexOf("line-through"),v=0,y=(v=r/2,0),m=0;for(t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline","middle"),t.setAttr("textAlign","left"),"middle"===s?h=(this.getHeight()-a*r-2*i)/2:"bottom"===s&&(h=this.getHeight()-a*r-2*i),t.translate(i,h+i),e=0;e<a;e++){m=y=0;var _,S,b,x=o[e],w=x.text,C=x.width,P=e!==a-1;if(t.save(),"right"===l?y+=d-C-2*i:"center"===l&&(y+=(d-C-2*i)/2),f&&(t.save(),t.beginPath(),t.moveTo(y,v+m+Math.round(n/2)),S=0==(_=w.split(" ").length-1),b=l===Oi&&P&&!S?d-2*i:C,t.lineTo(y+Math.round(b),v+m+Math.round(n/2)),t.lineWidth=n/15,t.strokeStyle=p,t.stroke(),t.restore()),g&&(t.save(),t.beginPath(),t.moveTo(y,v+m),S=0==(_=w.split(" ").length-1),b=l===Oi&&P&&!S?d-2*i:C,t.lineTo(y+Math.round(b),v+m),t.lineWidth=n/15,t.strokeStyle=p,t.stroke(),t.restore()),0!==c||l===Oi){_=w.split(" ").length-1;for(var k=0;k<w.length;k++){var T=w[k];" "===T&&e!==a-1&&l===Oi&&(y+=Math.floor((d-2*i-C)/_)),this._partialTextX=y,this._partialTextY=v+m,this._partialText=T,t.fillStrokeShape(this),y+=Math.round(this.measureSize(T).width)+c}}else this._partialTextX=y,this._partialTextY=v+m,this._partialText=w,t.fillStrokeShape(this);t.restore(),1<a&&(v+=r)}},Bi.prototype._hitFunc=function(t){var e=this.getWidth(),i=this.getHeight();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)},Bi.prototype.setText=function(t){var e=E._isString(t)?t:null==t?"":t+"";return this._setAttr("text",e),this},Bi.prototype.getWidth=function(){return this.attrs.width===Ri||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width},Bi.prototype.getHeight=function(){return this.attrs.height===Ri||void 0===this.attrs.height?this.fontSize()*this.textArr.length*this.lineHeight()+2*this.padding():this.attrs.height},Bi.prototype.getTextWidth=function(){return this.textWidth},Bi.prototype.getTextHeight=function(){return E.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight},Bi.prototype.measureSize=function(t){var e,i=Ei(),n=this.fontSize();return i.save(),i.font=this._getContextFont(),e=i.measureText(t),i.restore(),{width:e.width,height:n}},Bi.prototype._getContextFont=function(){return I.UA.isIE?this.fontStyle()+" "+this.fontSize()+"px "+this.fontFamily():this.fontStyle()+" "+this.fontVariant()+" "+this.fontSize()+"px "+this.fontFamily()},Bi.prototype._addTextLine=function(t){this.align()===Oi&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})},Bi.prototype._getTextWidth=function(t){var e=this.letterSpacing(),i=t.length;return Ei().measureText(t).width+(i?e*(i-1):0)},Bi.prototype._setTextData=function(){var t=this.text().split("\n"),e=+this.fontSize(),i=0,n=this.lineHeight()*e,r=this.attrs.width,o=this.attrs.height,a=r!==Ri&&void 0!==r,s=o!==Ri&&void 0!==o,h=this.padding(),l=r-2*h,d=o-2*h,c=0,p=this.wrap(),u="none"!==p,f="char"!==p&&u,g=this.ellipsis()&&!u;this.textArr=[],Ei().font=this._getContextFont();for(var v=g?this._getTextWidth("…"):0,y=0,m=t.length;y<m;++y){var _=t[y],S=this._getTextWidth(_);if(a&&l<S)for(;0<_.length;){for(var b=0,x=_.length,w="",C=0;b<x;){var P=b+x>>>1,k=_.slice(0,1+P),T=this._getTextWidth(k)+v;T<=l?(b=1+P,w=k+(g?"…":""),C=T):x=P}if(!w)break;if(f){var A,M=_[w.length];0<(A=(" "===M||"-"===M)&&C<=l?w.length:Math.max(w.lastIndexOf(" "),w.lastIndexOf("-"))+1)&&(b=A,w=w.slice(0,b),C=this._getTextWidth(w))}if(w=w.trimRight(),this._addTextLine(w),i=Math.max(i,C),c+=n,!u||s&&d<c+n)break;if(0<(_=(_=_.slice(b)).trimLeft()).length&&(S=this._getTextWidth(_))<=l){this._addTextLine(_),c+=n,i=Math.max(i,S);break}}else this._addTextLine(_),c+=n,i=Math.max(i,S);if(s&&d<c+n)break}this.textHeight=e,this.textWidth=i},Bi.prototype.getStrokeScaleEnabled=function(){return!0},Bi);function Bi(t){var e=Di.call(this,function(t){return(t=t||{}).fillLinearGradientColorStops||t.fillRadialGradientColorStops||t.fillPatternImage||(t.fill=t.fill||"black"),t}(t))||this;e._partialTextX=0;for(var i=e._partialTextY=0;i<Ii;i++)e.on(Li[i]+"Change.konva",e._setTextData);return e._setTextData(),e}Fi.prototype._fillFunc=function(t){t.fillText(this._partialText,this._partialTextX,this._partialTextY)},Fi.prototype._strokeFunc=function(t){t.strokeText(this._partialText,this._partialTextX,this._partialTextY)},Fi.prototype.className="Text",Fi.prototype._attrsAffectingSize=["text","fontSize","padding","wrap","lineHeight"],i(Fi),w.overWriteSetter(Fi,"width",m()),w.overWriteSetter(Fi,"height",m()),w.addGetterSetter(Fi,"fontFamily","Arial"),w.addGetterSetter(Fi,"fontSize",12,y()),w.addGetterSetter(Fi,"fontStyle","normal"),w.addGetterSetter(Fi,"fontVariant","normal"),w.addGetterSetter(Fi,"padding",0,y()),w.addGetterSetter(Fi,"align","left"),w.addGetterSetter(Fi,"verticalAlign","top"),w.addGetterSetter(Fi,"lineHeight",1,y()),w.addGetterSetter(Fi,"wrap","word"),w.addGetterSetter(Fi,"ellipsis",!1),w.addGetterSetter(Fi,"letterSpacing",0,y()),w.addGetterSetter(Fi,"text","",_()),w.addGetterSetter(Fi,"textDecoration",""),o.mapMethods(Fi);function zi(t){t.fillText(this.partialText,0,0)}function Ni(t){t.strokeText(this.partialText,0,0)}var Wi,Hi=(P(Yi,Wi=ce),Yi.prototype._sceneFunc=function(t){t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",this.textBaseline()),t.setAttr("textAlign","left"),t.save();var e=this.textDecoration(),i=this.fill(),n=this.fontSize(),r=this.glyphInfo;"underline"===e&&t.beginPath();for(var o=0;o<r.length;o++){t.save();var a=r[o].p0;t.translate(a.x,a.y),t.rotate(r[o].rotation),this.partialText=r[o].text,t.fillStrokeShape(this),"underline"===e&&(0===o&&t.moveTo(0,n/2+1),t.lineTo(n,n/2+1)),t.restore()}"underline"===e&&(t.strokeStyle=i,t.lineWidth=n/20,t.stroke()),t.restore()},Yi.prototype._hitFunc=function(t){t.beginPath();var e=this.glyphInfo;if(1<=e.length){var i=e[0].p0;t.moveTo(i.x,i.y)}for(var n=0;n<e.length;n++){var r=e[n].p1;t.lineTo(r.x,r.y)}t.setAttr("lineWidth",this.fontSize()),t.setAttr("strokeStyle",this.colorKey),t.stroke()},Yi.prototype.getTextWidth=function(){return this.textWidth},Yi.prototype.getTextHeight=function(){return E.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight},Yi.prototype.setText=function(t){return Fi.prototype.setText.call(this,t)},Yi.prototype._getContextFont=function(){return Fi.prototype._getContextFont.call(this)},Yi.prototype._getTextSize=function(t){var e=this.dummyCanvas.getContext("2d");e.save(),e.font=this._getContextFont();var i=e.measureText(t);return e.restore(),{width:i.width,height:parseInt(this.attrs.fontSize,10)}},Yi.prototype._setTextData=function(){var l=this,t=this._getTextSize(this.attrs.text),d=this.letterSpacing(),c=this.align(),e=this.kerningFunc();this.textWidth=t.width,this.textHeight=t.height;var p=Math.max(this.textWidth+((this.attrs.text||"").length-1)*d,0);this.glyphInfo=[];for(var u=0,i=0;i<l.dataArray.length;i++)0<l.dataArray[i].pathLength&&(u+=l.dataArray[i].pathLength);var n=0;"center"===c&&(n=Math.max(0,u/2-p/2)),"right"===c&&(n=Math.max(0,u-p));for(var f,g,v,r=this.text().split(""),y=this.text().split(" ").length-1,o=-1,m=0,_=function(){m=0;for(var t=l.dataArray,e=o+1;e<t.length;e++){if(0<t[e].pathLength)return t[o=e];"M"===t[e].command&&(f={x:t[e].points[0],y:t[e].points[1]})}return{}},a=function(t){var e=l._getTextSize(t).width+d;" "===t&&"justify"===c&&(e+=(u-p)/y);var i=0,n=0;for(g=void 0;.01<Math.abs(e-i)/e&&n<25;){n++;for(var r=i;void 0===v;)(v=_())&&r+v.pathLength<e&&(r+=v.pathLength,v=void 0);if(v==={}||void 0===f)return;var o=!1;switch(v.command){case"L":pi.getLineLength(f.x,f.y,v.points[0],v.points[1])>e?g=pi.getPointOnLine(e,f.x,f.y,v.points[0],v.points[1],f.x,f.y):v=void 0;break;case"A":var a=v.points[4],s=v.points[5],h=v.points[4]+s;0===m?m=a+1e-8:i<e?m+=Math.PI/180*s/Math.abs(s):m-=Math.PI/360*s/Math.abs(s),(s<0&&m<h||0<=s&&h<m)&&(m=h,o=!0),g=pi.getPointOnEllipticalArc(v.points[0],v.points[1],v.points[2],v.points[3],m,v.points[6]);break;case"C":0===m?m=e>v.pathLength?1e-8:e/v.pathLength:i<e?m+=(e-i)/v.pathLength:m-=(i-e)/v.pathLength,1<m&&(m=1,o=!0),g=pi.getPointOnCubicBezier(m,v.start.x,v.start.y,v.points[0],v.points[1],v.points[2],v.points[3],v.points[4],v.points[5]);break;case"Q":0===m?m=e/v.pathLength:i<e?m+=(e-i)/v.pathLength:m-=(i-e)/v.pathLength,1<m&&(m=1,o=!0),g=pi.getPointOnQuadraticBezier(m,v.start.x,v.start.y,v.points[0],v.points[1],v.points[2],v.points[3])}void 0!==g&&(i=pi.getLineLength(f.x,f.y,g.x,g.y)),o&&(o=!1,v=void 0)}},s=n/(l._getTextSize("C").width+d)-1,h=0;h<s&&(a("C"),void 0!==f&&void 0!==g);h++)f=g;for(var S=0;S<r.length&&(a(r[S]),void 0!==f&&void 0!==g);S++){var b=pi.getLineLength(f.x,f.y,g.x,g.y),x=0;if(e)try{x=e(r[S-1],r[S])*this.fontSize()}catch(t){x=0}f.x+=x,g.x+=x,this.textWidth+=x;var w=pi.getPointOnLine(x+b/2,f.x,f.y,g.x,g.y),C=Math.atan2(g.y-f.y,g.x-f.x);this.glyphInfo.push({transposeX:w.x,transposeY:w.y,text:r[S],rotation:C,p0:f,p1:g}),f=g}},Yi.prototype.getSelfRect=function(){if(!this.glyphInfo.length)return{x:0,y:0,width:0,height:0};var e=[];this.glyphInfo.forEach(function(t){e.push(t.p0.x),e.push(t.p0.y),e.push(t.p1.x),e.push(t.p1.y)});for(var t,i,n=e[0]||0,r=e[0]||0,o=e[1]||0,a=e[1]||0,s=0;s<e.length/2;s++)t=e[2*s],i=e[2*s+1],n=Math.min(n,t),r=Math.max(r,t),o=Math.min(o,i),a=Math.max(a,i);var h=this.fontSize();return{x:Math.round(n)-h/2,y:Math.round(o)-h/2,width:Math.round(r-n)+h,height:Math.round(a-o)+h}},Yi);function Yi(t){var e=Wi.call(this,t)||this;return e.dummyCanvas=E.createCanvasElement(),e.dataArray=[],e.dataArray=pi.parsePathData(e.attrs.data),e.on("dataChange.konva",function(){this.dataArray=pi.parsePathData(this.attrs.data),this._setTextData()}),e.on("textChange.konva alignChange.konva letterSpacingChange.konva kerningFuncChange.konva",e._setTextData),t&&t.getKerning&&(E.warn('getKerning TextPath API is deprecated. Please use "kerningFunc" instead.'),e.kerningFunc(t.getKerning)),e._setTextData(),e}Hi.prototype._fillFunc=zi,Hi.prototype._strokeFunc=Ni,Hi.prototype._fillFuncHit=zi,Hi.prototype._strokeFuncHit=Ni,Hi.prototype.className="TextPath",Hi.prototype._attrsAffectingSize=["text","fontSize","data"],i(Hi),w.addGetterSetter(Hi,"data"),w.addGetterSetter(Hi,"fontFamily","Arial"),w.addGetterSetter(Hi,"fontSize",12,y()),w.addGetterSetter(Hi,"fontStyle","normal"),w.addGetterSetter(Hi,"align","left"),w.addGetterSetter(Hi,"letterSpacing",0,y()),w.addGetterSetter(Hi,"textBaseline","middle"),w.addGetterSetter(Hi,"fontVariant","normal"),w.addGetterSetter(Hi,"text",""),w.addGetterSetter(Hi,"textDecoration",null),w.addGetterSetter(Hi,"kerningFunc",null),o.mapMethods(Hi);var Xi="tr-konva",ji=["resizeEnabledChange","rotateAnchorOffsetChange","rotateEnabledChange","enabledAnchorsChange","anchorSizeChange","borderEnabledChange","borderStrokeChange","borderStrokeWidthChange","borderDashChange","anchorStrokeChange","anchorStrokeWidthChange","anchorFillChange","anchorCornerRadiusChange","ignoreStrokeChange"].map(function(t){return t+"."+Xi}).join(" "),Ui="nodeRect",qi=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"].map(function(t){return t+"."+Xi}).join(" "),Vi={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135},Ki="ontouchstart"in I._global;var Qi,Ji=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"],Zi=(P($i,Qi=xe),$i.prototype.attachTo=function(t){return this.setNode(t),this},$i.prototype.setNode=function(t){var e=this;function i(){e._resetTransformCache(),e._transforming||e.update()}this._node&&this.detach(),this._node=t,this._resetTransformCache();var n=t._attrsAffectingSize.map(function(t){return t+"Change."+Xi}).join(" ");return t.on(n,i),t.on(qi,i),t.on("xChange."+Xi+" yChange."+Xi,function(){return e._resetTransformCache()}),this.findOne(".top-left")&&this.update(),this},$i.prototype.getNode=function(){return this._node},$i.prototype.detach=function(){this.getNode()&&(this.getNode().off("."+Xi),this._node=void 0),this._resetTransformCache()},$i.prototype._resetTransformCache=function(){this._clearCache(Ui),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")},$i.prototype._getNodeRect=function(){return this._getCache(Ui,this.__getNodeRect)},$i.prototype.__getNodeRect=function(){var t=this.getNode();if(!t)return{x:-1e8,y:-1e8,width:0,height:0,rotation:0};t.parent&&this.parent&&t.parent!==this.parent&&E.warn("Transformer and attached node have different parents. Konva does not support such case right now. Please move Transformer to the parent of attaching node.");var e=t.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),i=I.getAngle(t.rotation()),n=e.x*t.scaleX()-t.offsetX()*t.scaleX(),r=e.y*t.scaleY()-t.offsetY()*t.scaleY();return{x:t.x()+n*Math.cos(i)+r*Math.sin(-i),y:t.y()+r*Math.cos(i)+n*Math.sin(i),width:e.width*t.scaleX(),height:e.height*t.scaleY(),rotation:t.rotation()}},$i.prototype.getX=function(){return this._getNodeRect().x},$i.prototype.getY=function(){return this._getNodeRect().y},$i.prototype.getRotation=function(){return this._getNodeRect().rotation},$i.prototype.getWidth=function(){return this._getNodeRect().width},$i.prototype.getHeight=function(){return this._getNodeRect().height},$i.prototype._createElements=function(){this._createBack(),Ji.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")},$i.prototype._createAnchor=function(r){var o=this,a=new gi({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:r+" _anchor",dragDistance:0,draggable:!0,hitStrokeWidth:Ki?10:"auto"}),e=this;a.on("mousedown touchstart",function(t){e._handleMouseDown(t)}),a.on("dragstart",function(t){t.cancelBubble=!0}),a.on("dragmove",function(t){t.cancelBubble=!0}),a.on("dragend",function(t){t.cancelBubble=!0}),a.on("mouseenter",function(){var t=I.getAngle(o.rotation()),e=o.getNode().getAbsoluteScale(),i=e.y*e.x<0,n=function(t,e,i){if("rotater"===t)return"crosshair";e+=E._degToRad(Vi[t]||0),i&&(e*=-1);var n=(E._radToDeg(e)%360+360)%360;return E._inRange(n,337.5,360)||E._inRange(n,0,22.5)?"ns-resize":E._inRange(n,22.5,67.5)?"nesw-resize":E._inRange(n,67.5,112.5)?"ew-resize":E._inRange(n,112.5,157.5)?"nwse-resize":E._inRange(n,157.5,202.5)?"ns-resize":E._inRange(n,202.5,247.5)?"nesw-resize":E._inRange(n,247.5,292.5)?"ew-resize":E._inRange(n,292.5,337.5)?"nwse-resize":(E.error("Transformer has unknown angle for cursor detection: "+n),"pointer")}(r,t,i);a.getStage().content.style.cursor=n,o._cursorChange=!0}),a.on("mouseout",function(){a.getStage()&&a.getParent()&&(a.getStage().content.style.cursor="",o._cursorChange=!1)}),this.add(a)},$i.prototype._createBack=function(){var t=new ce({name:"back",width:0,height:0,listening:!1,sceneFunc:function(t){var e=this.getParent(),i=e.padding();t.beginPath(),t.rect(-i,-i,this.width()+2*i,this.height()+2*i),t.moveTo(this.width()/2,-i),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateAnchorOffset()*E._sign(this.height())-i),t.fillStrokeShape(this)}});this.add(t)},$i.prototype._handleMouseDown=function(t){this._movingAnchorName=t.target.name().split(" ")[0];var e=this._getNodeRect(),i=e.width,n=e.height,r=Math.sqrt(Math.pow(i,2)+Math.pow(n,2));this.sin=Math.abs(n/r),this.cos=Math.abs(i/r),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,this._fire("transformstart",{evt:t}),this.getNode()._fire("transformstart",{evt:t})},$i.prototype._handleMouseMove=function(t){var e,i,n,r=this.findOne("."+this._movingAnchorName),o=r.getStage().getContent().getBoundingClientRect(),a=o.left,s=o.top,h={x:(void 0!==t.clientX?t.clientX:t.touches[0].clientX)-a,y:(void 0!==t.clientX?t.clientY:t.touches[0].clientY)-s};r.setAbsolutePosition(h);var l=this.keepRatio()||t.shiftKey,d=this.padding();if("top-left"===this._movingAnchorName){if(l){n=Math.sqrt(Math.pow(this.findOne(".bottom-right").x()-r.x()-2*d,2)+Math.pow(this.findOne(".bottom-right").y()-r.y()-2*d,2));var c=this.findOne(".top-left").x()>this.findOne(".bottom-right").x()?-1:1,p=this.findOne(".top-left").y()>this.findOne(".bottom-right").y()?-1:1;e=n*this.cos*c,i=n*this.sin*p,this.findOne(".top-left").x(this.findOne(".bottom-right").x()-e-2*d),this.findOne(".top-left").y(this.findOne(".bottom-right").y()-i-2*d)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(r.y());else if("top-right"===this._movingAnchorName){l&&(n=Math.sqrt(Math.pow(r.x()-this.findOne(".bottom-left").x()-2*d,2)+Math.pow(this.findOne(".bottom-left").y()-r.y()-2*d,2)),c=this.findOne(".top-right").x()<this.findOne(".top-left").x()?-1:1,p=this.findOne(".top-right").y()>this.findOne(".bottom-left").y()?-1:1,e=n*this.cos*c,i=n*this.sin*p,this.findOne(".top-right").x(e+d),this.findOne(".top-right").y(this.findOne(".bottom-left").y()-i-2*d));var u=r.position();this.findOne(".top-left").y(u.y),this.findOne(".bottom-right").x(u.x)}else if("middle-left"===this._movingAnchorName)this.findOne(".top-left").x(r.x());else if("middle-right"===this._movingAnchorName)this.findOne(".bottom-right").x(r.x());else if("bottom-left"===this._movingAnchorName)l&&(n=Math.sqrt(Math.pow(this.findOne(".top-right").x()-r.x()-2*d,2)+Math.pow(r.y()-this.findOne(".top-right").y()-2*d,2)),c=this.findOne(".top-right").x()<this.findOne(".bottom-left").x()?-1:1,p=this.findOne(".bottom-right").y()<this.findOne(".top-left").y()?-1:1,e=n*this.cos*c,i=n*this.sin*p,this.findOne(".bottom-left").x(this.findOne(".top-right").x()-e-2*d),this.findOne(".bottom-left").y(i+d)),u=r.position(),this.findOne(".top-left").x(u.x),this.findOne(".bottom-right").y(u.y);else if("bottom-center"===this._movingAnchorName)this.findOne(".bottom-right").y(r.y());else if("bottom-right"===this._movingAnchorName)l&&(n=Math.sqrt(Math.pow(this.findOne(".bottom-right").x()-d,2)+Math.pow(this.findOne(".bottom-right").y()-d,2)),c=this.findOne(".top-left").x()>this.findOne(".bottom-right").x()?-1:1,p=this.findOne(".top-left").y()>this.findOne(".bottom-right").y()?-1:1,e=n*this.cos*c,i=n*this.sin*p,this.findOne(".bottom-right").x(e+d),this.findOne(".bottom-right").y(i+d));else if("rotater"===this._movingAnchorName){var f=this._getNodeRect();e=r.x()-f.width/2,i=-r.y()+f.height/2;var g=Math.atan2(-i,e)+Math.PI/2;f.height<0&&(g-=Math.PI);for(var v=I.getAngle(this.rotation()),y=E._radToDeg(v)+E._radToDeg(g),m=I.getAngle(this.getNode().rotation()),_=E._degToRad(y),S=this.rotationSnaps(),b=0;b<S.length;b++){var x=I.getAngle(S[b]);Math.abs(x-E._degToRad(y))%(2*Math.PI)<.1&&(y=E._radToDeg(x),_=E._degToRad(y))}var w=d,C=d;this._fitNodeInto({rotation:I.angleDeg?y:E._degToRad(y),x:f.x+(f.width/2+d)*(Math.cos(m)-Math.cos(_))+(f.height/2+d)*(Math.sin(-m)-Math.sin(-_))-(w*Math.cos(v)+C*Math.sin(-v)),y:f.y+(f.height/2+d)*(Math.cos(m)-Math.cos(_))+(f.width/2+d)*(Math.sin(m)-Math.sin(_))-(C*Math.cos(v)+w*Math.sin(v)),width:f.width+2*d,height:f.height+2*d},t)}else console.error(new Error("Wrong position argument of selection resizer: "+this._movingAnchorName));if("rotater"!==this._movingAnchorName){if(this.centeredScaling()||t.altKey){var P=this.findOne(".top-left"),k=this.findOne(".bottom-right"),T=P.x()+d,A=P.y()+d,M=this.getWidth()-k.x()+d,G=this.getHeight()-k.y()+d;k.move({x:-T,y:-A}),P.move({x:M,y:G})}var R=this.findOne(".top-left").getAbsolutePosition(this.getParent());e=R.x,i=R.y;var O=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),L=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodeInto({x:e+this.offsetX(),y:i+this.offsetY(),width:O,height:L},t)}},$i.prototype._handleMouseUp=function(t){this._removeEvents(t)},$i.prototype._removeEvents=function(t){if(this._transforming){this._transforming=!1,window.removeEventListener("mousemove",this._handleMouseMove),window.removeEventListener("touchmove",this._handleMouseMove),window.removeEventListener("mouseup",this._handleMouseUp,!0),window.removeEventListener("touchend",this._handleMouseUp,!0),this._fire("transformend",{evt:t});var e=this.getNode();e&&e.fire("transformend",{evt:t})}},$i.prototype._fitNodeInto=function(t,e){var i=this.boundBoxFunc();if(i){var n=this._getNodeRect();t=i.call(this,n,t)}var r=this.getNode();void 0!==t.rotation&&this.getNode().rotation(t.rotation);var o=r.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),a=this.padding(),s=o.width?(t.width-2*a)/o.width:1,h=o.height?(t.height-2*a)/o.height:1,l=I.getAngle(r.rotation()),d=o.x*s-a-r.offsetX()*s,c=o.y*h-a-r.offsetY()*h;this.getNode().setAttrs({scaleX:s,scaleY:h,x:t.x-(d*Math.cos(l)+c*Math.sin(-l)),y:t.y-(c*Math.cos(l)+d*Math.sin(l))}),this._fire("transform",{evt:e}),this.getNode()._fire("transform",{evt:e}),this.update(),this.getLayer().batchDraw()},$i.prototype.forceUpdate=function(){this._resetTransformCache(),this.update()},$i.prototype.update=function(){var e=this,t=this._getNodeRect(),i=this.getNode(),n={x:1,y:1};i&&i.getParent()&&(n=i.getParent().getAbsoluteScale());var r={x:1/n.x,y:1/n.y},o=t.width,a=t.height,s=this.enabledAnchors(),h=this.resizeEnabled(),l=this.padding(),d=this.anchorSize();this.find("._anchor").each(function(t){return t.setAttrs({width:d,height:d,offsetX:d/2,offsetY:d/2,stroke:e.anchorStroke(),strokeWidth:e.anchorStrokeWidth(),fill:e.anchorFill(),cornerRadius:e.anchorCornerRadius()})}),this.findOne(".top-left").setAttrs({x:-l,y:-l,scale:r,visible:h&&0<=s.indexOf("top-left")}),this.findOne(".top-center").setAttrs({x:o/2,y:-l,scale:r,visible:h&&0<=s.indexOf("top-center")}),this.findOne(".top-right").setAttrs({x:o+l,y:-l,scale:r,visible:h&&0<=s.indexOf("top-right")}),this.findOne(".middle-left").setAttrs({x:-l,y:a/2,scale:r,visible:h&&0<=s.indexOf("middle-left")}),this.findOne(".middle-right").setAttrs({x:o+l,y:a/2,scale:r,visible:h&&0<=s.indexOf("middle-right")}),this.findOne(".bottom-left").setAttrs({x:-l,y:a+l,scale:r,visible:h&&0<=s.indexOf("bottom-left")}),this.findOne(".bottom-center").setAttrs({x:o/2,y:a+l,scale:r,visible:h&&0<=s.indexOf("bottom-center")}),this.findOne(".bottom-right").setAttrs({x:o+l,y:a+l,scale:r,visible:h&&0<=s.indexOf("bottom-right")});var c=-this.rotateAnchorOffset()*Math.abs(r.y);this.findOne(".rotater").setAttrs({x:o/2,y:c*E._sign(a)-l,scale:r,visible:this.rotateEnabled()}),this.findOne(".back").setAttrs({width:o*n.x,height:a*n.y,scale:r,visible:this.borderEnabled(),stroke:this.borderStroke(),strokeWidth:this.borderStrokeWidth(),dash:this.borderDash()})},$i.prototype.isTransforming=function(){return this._transforming},$i.prototype.stopTransform=function(){if(this._transforming){this._removeEvents();var t=this.findOne("."+this._movingAnchorName);t&&t.stopDrag()}},$i.prototype.destroy=function(){return this.getStage()&&this._cursorChange&&(this.getStage().content.style.cursor=""),xe.prototype.destroy.call(this),this.detach(),this._removeEvents(),this},$i.prototype.toObject=function(){return ct.prototype.toObject.call(this)},$i);function $i(t){var e=Qi.call(this,t)||this;return e._transforming=!1,e._createElements(),e._handleMouseMove=e._handleMouseMove.bind(e),e._handleMouseUp=e._handleMouseUp.bind(e),e.update=e.update.bind(e),e.on(ji,e.update),e.getNode()&&e.update(),e}Zi.prototype.className="Transformer",i(Zi),w.addGetterSetter(Zi,"enabledAnchors",Ji,function(t){return t instanceof Array||E.warn("enabledAnchors value should be an array"),t instanceof Array&&t.forEach(function(t){-1===Ji.indexOf(t)&&E.warn("Unknown anchor name: "+t+". Available names are: "+Ji.join(", "))}),t||[]}),w.addGetterSetter(Zi,"resizeEnabled",!0),w.addGetterSetter(Zi,"anchorSize",10,y()),w.addGetterSetter(Zi,"rotateEnabled",!0),w.addGetterSetter(Zi,"rotationSnaps",[]),w.addGetterSetter(Zi,"rotateAnchorOffset",50,y()),w.addGetterSetter(Zi,"borderEnabled",!0),w.addGetterSetter(Zi,"anchorStroke","rgb(0, 161, 255)"),w.addGetterSetter(Zi,"anchorStrokeWidth",1,y()),w.addGetterSetter(Zi,"anchorFill","white"),w.addGetterSetter(Zi,"anchorCornerRadius",0,y()),w.addGetterSetter(Zi,"borderStroke","rgb(0, 161, 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rn(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}en.prototype.className="Wedge",en.prototype._centroid=!0,en.prototype._attrsAffectingSize=["radius"],i(en),w.addGetterSetter(en,"radius",0,y()),w.addGetterSetter(en,"angle",0,y()),w.addGetterSetter(en,"clockwise",!1),w.backCompat(en,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"}),o.mapMethods(en);var 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sn(t,e,i,n,r){var o=i-e,a=r-n;return 0==o?n+a/2:0==a?n:a*((t-e)/o)+n}w.addGetterSetter(ct,"embossStrength",.5,y(),w.afterSetFilter),w.addGetterSetter(ct,"embossWhiteLevel",.5,y(),w.afterSetFilter),w.addGetterSetter(ct,"embossDirection","top-left",null,w.afterSetFilter),w.addGetterSetter(ct,"embossBlend",!1,null,w.afterSetFilter);w.addGetterSetter(ct,"enhance",0,y(),w.afterSetFilter);w.addGetterSetter(ct,"hue",0,y(),w.afterSetFilter),w.addGetterSetter(ct,"saturation",0,y(),w.afterSetFilter),w.addGetterSetter(ct,"luminance",0,y(),w.afterSetFilter);w.addGetterSetter(ct,"hue",0,y(),w.afterSetFilter),w.addGetterSetter(ct,"saturation",0,y(),w.afterSetFilter),w.addGetterSetter(ct,"value",0,y(),w.afterSetFilter);function hn(t,e,i){var n=4*(i*t.width+e),r=[];return r.push(t.data[n++],t.data[n++],t.data[n++],t.data[n++]),r}function ln(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))}function dn(t,e){var i=hn(t,0,0),n=hn(t,t.width-1,0),r=hn(t,0,t.height-1),o=hn(t,t.width-1,t.height-1),a=e||10;if(ln(i,n)<a&&ln(n,o)<a&&ln(o,r)<a&&ln(r,i)<a){for(var s=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}([n,i,o,r]),h=[],l=0;l<t.width*t.height;l++){var d=ln(s,[t.data[4*l],t.data[4*l+1],t.data[4*l+2]]);h[l]=d<a?0:255}return h}}w.addGetterSetter(ct,"kaleidoscopePower",2,y(),w.afterSetFilter),w.addGetterSetter(ct,"kaleidoscopeAngle",0,y(),w.afterSetFilter);w.addGetterSetter(ct,"threshold",0,y(),w.afterSetFilter);w.addGetterSetter(ct,"noise",.2,y(),w.afterSetFilter);w.addGetterSetter(ct,"pixelSize",8,y(),w.afterSetFilter);w.addGetterSetter(ct,"levels",.5,y(),w.afterSetFilter);w.addGetterSetter(ct,"red",0,function(t){return this._filterUpToDate=!1,255<t?255:t<0?0:Math.round(t)}),w.addGetterSetter(ct,"green",0,function(t){return this._filterUpToDate=!1,255<t?255:t<0?0:Math.round(t)}),w.addGetterSetter(ct,"blue",0,v,w.afterSetFilter);w.addGetterSetter(ct,"red",0,function(t){return this._filterUpToDate=!1,255<t?255:t<0?0:Math.round(t)}),w.addGetterSetter(ct,"green",0,function(t){return this._filterUpToDate=!1,255<t?255:t<0?0:Math.round(t)}),w.addGetterSetter(ct,"blue",0,v,w.afterSetFilter),w.addGetterSetter(ct,"alpha",1,function(t){return this._filterUpToDate=!1,1<t?1:t<0?0:t});return w.addGetterSetter(ct,"threshold",.5,y(),w.afterSetFilter),De.Util._assign(De,{Arc:Fe,Arrow:Ye,Circle:Ue,Ellipse:Ke,Image:Ze,Label:ai,Tag:li,Line:Ne,Path:pi,Rect:gi,RegularPolygon:mi,Ring:xi,Sprite:Pi,Star:Ai,Text:Fi,TextPath:Hi,Transformer:Zi,Wedge:en,Filters:{Blur:function(t){var e=Math.round(this.blurRadius());0<e&&function(t,e){var i,n,r,o,a,s,h,l,d,c,p,u,f,g,v,y,m,_,S,b,x,w,C,P,k=t.data,T=t.width,A=t.height,M=e+e+1,G=T-1,R=A-1,O=e+1,L=O*(O+1)/2,I=new rn,E=null,D=I,F=null,B=null,z=on[e],N=an[e];for(r=1;r<M;r++)D=D.next=new 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e,i=255*this.brightness(),n=t.data,r=n.length;for(e=0;e<r;e+=4)n[e]+=i,n[e+1]+=i,n[e+2]+=i},Contrast:function(t){var e,i=Math.pow((this.contrast()+100)/100,2),n=t.data,r=n.length,o=150,a=150,s=150;for(e=0;e<r;e+=4)o=n[e],a=n[e+1],s=n[e+2],o/=255,o-=.5,o*=i,o+=.5,a/=255,a-=.5,a*=i,a+=.5,s/=255,s-=.5,s*=i,s+=.5,o=(o*=255)<0?0:255<o?255:o,a=(a*=255)<0?0:255<a?255:a,s=(s*=255)<0?0:255<s?255:s,n[e]=o,n[e+1]=a,n[e+2]=s},Emboss:function(t){var e=10*this.embossStrength(),i=255*this.embossWhiteLevel(),n=this.embossDirection(),r=this.embossBlend(),o=0,a=0,s=t.data,h=t.width,l=t.height,d=4*h,c=l;switch(n){case"top-left":a=o=-1;break;case"top":o=-1,a=0;break;case"top-right":o=-1,a=1;break;case"right":o=0,a=1;break;case"bottom-right":a=o=1;break;case"bottom":o=1,a=0;break;case"bottom-left":a=-(o=1);break;case"left":o=0,a=-1;break;default:E.error("Unknown emboss direction: "+n)}do{var p=(c-1)*d,u=o;c+u<1&&(u=0),l<c+u&&(u=0);var f=(c-1+u)*h*4,g=h;do{var v=p+4*(g-1),y=a;g+y<1&&(y=0),h<g+y&&(y=0);var 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e,i,n,r,o,a=t.data,s=a.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),p=h*l*Math.sin(d*Math.PI/180),u=.299*h+.701*c+.167*p,f=.587*h-.587*c+.33*p,g=.114*h-.114*c-.497*p,v=.299*h-.299*c-.328*p,y=.587*h+.413*c+.035*p,m=.114*h-.114*c+.293*p,_=.299*h-.3*c+1.25*p,S=.587*h-.586*c-1.05*p,b=.114*h+.886*c-.2*p;for(e=0;e<s;e+=4)i=a[e+0],n=a[e+1],r=a[e+2],o=a[e+3],a[e+0]=u*i+f*n+g*r,a[e+1]=v*i+y*n+m*r,a[e+2]=_*i+S*n+b*r,a[e+3]=o},Invert:function(t){var e,i=t.data,n=i.length;for(e=0;e<n;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,n,r,o,a,s,h,l,d=t.width,c=t.height,p=Math.round(this.kaleidoscopePower()),u=Math.round(this.kaleidoscopeAngle()),f=Math.floor(d*(u%360)/360);if(!(p<1)){var g=E.createCanvasElement();g.width=d,g.height=c;var v=g.getContext("2d").getImageData(0,0,d,c);!function(t,e,i){var n,r,o,a,s=t.data,h=e.data,l=t.width,d=t.height,c=i.polarCenterX||l/2,p=i.polarCenterY||d/2,u=0,f=0,g=0,v=0,y=Math.sqrt(c*c+p*p);r=l-c,o=d-p,y=y<(a=Math.sqrt(r*r+o*o))?a:y;var m,_,S,b,x=d,w=l,C=360/w*Math.PI/180;for(_=0;_<w;_+=1)for(S=Math.sin(_*C),b=Math.cos(_*C),m=0;m<x;m+=1)r=Math.floor(c+y*m/x*b),u=s[(n=4*((o=Math.floor(p+y*m/x*S))*l+r))+0],f=s[n+1],g=s[n+2],v=s[n+3],h[(n=4*(_+m*l))+0]=u,h[n+1]=f,h[n+2]=g,h[n+3]=v}(t,v,{polarCenterX:d/2,polarCenterY:c/2});for(var y=d/Math.pow(2,p);y<=8;)y*=2,p-=1;var m=y=Math.ceil(y),_=0,S=m,b=1;for(d<f+y&&(_=m,S=0,b=-1),i=0;i<c;i+=1)for(e=_;e!==S;e+=b)h=4*(d*i+Math.round(e+f)%d),r=v.data[h+0],o=v.data[h+1],a=v.data[h+2],s=v.data[h+3],l=4*(d*i+e),v.data[l+0]=r,v.data[l+1]=o,v.data[l+2]=a,v.data[l+3]=s;for(i=0;i<c;i+=1)for(m=Math.floor(y),n=0;n<p;n+=1){for(e=0;e<m+1;e+=1)h=4*(d*i+e),r=v.data[h+0],o=v.data[h+1],a=v.data[h+2],s=v.data[h+3],l=4*(d*i+2*m-e-1),v.data[l+0]=r,v.data[l+1]=o,v.data[l+2]=a,v.data[l+3]=s;m*=2}!function(t,e,i){var 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n=[1,1,1,1,1,1,1,1,1],r=Math.round(Math.sqrt(n.length)),o=Math.floor(r/2),a=[],s=0;s<i;s++)for(var h=0;h<e;h++){for(var l=s*e+h,d=0,c=0;c<r;c++)for(var p=0;p<r;p++){var u=s+c-o,f=h+p-o;if(0<=u&&u<i&&0<=f&&f<e){var g=n[c*r+p];d+=t[u*e+f]*g}}a[l]=1020<=d?255:0}return a}(e=function(t,e,i){for(var n=[1,1,1,1,0,1,1,1,1],r=Math.round(Math.sqrt(n.length)),o=Math.floor(r/2),a=[],s=0;s<i;s++)for(var h=0;h<e;h++){for(var l=s*e+h,d=0,c=0;c<r;c++)for(var p=0;p<r;p++){var u=s+c-o,f=h+p-o;if(0<=u&&u<i&&0<=f&&f<e){var g=n[c*r+p];d+=t[u*e+f]*g}}a[l]=2040===d?255:0}return a}(e,t.width,t.height),t.width,t.height),t.width,t.height)),t},Noise:function(t){var e,i=255*this.noise(),n=t.data,r=n.length,o=i/2;for(e=0;e<r;e+=4)n[e+0]+=o-2*o*Math.random(),n[e+1]+=o-2*o*Math.random(),n[e+2]+=o-2*o*Math.random()},Pixelate:function(t){var e,i,n,r,o,a,s,h,l,d,c,p,u,f,g=Math.ceil(this.pixelSize()),v=t.width,y=t.height,m=Math.ceil(v/g),_=Math.ceil(y/g),S=t.data;if(g<=0)E.error("pixelSize value can not be <= 0");else for(p=0;p<m;p+=1)for(u=0;u<_;u+=1){for(l=(h=p*g)+g,c=(d=u*g)+g,f=s=a=o=r=0,e=h;e<l;e+=1)if(!(v<=e))for(i=d;i<c;i+=1)y<=i||(r+=S[(n=4*(v*i+e))+0],o+=S[n+1],a+=S[n+2],s+=S[n+3],f+=1);for(r/=f,o/=f,a/=f,s/=f,e=h;e<l;e+=1)if(!(v<=e))for(i=d;i<c;i+=1)y<=i||(S[(n=4*(v*i+e))+0]=r,S[n+1]=o,S[n+2]=a,S[n+3]=s)}},Posterize:function(t){var e,i=Math.round(254*this.levels())+1,n=t.data,r=n.length,o=255/i;for(e=0;e<r;e+=1)n[e]=Math.floor(n[e]/o)*o},RGB:function(t){var e,i,n=t.data,r=n.length,o=this.red(),a=this.green(),s=this.blue();for(e=0;e<r;e+=4)i=(.34*n[e]+.5*n[e+1]+.16*n[e+2])/255,n[e]=i*o,n[e+1]=i*a,n[e+2]=i*s,n[e+3]=n[e+3]},RGBA:function(t){var e,i,n=t.data,r=n.length,o=this.red(),a=this.green(),s=this.blue(),h=this.alpha();for(e=0;e<r;e+=4)i=1-h,n[e]=o*h+n[e]*i,n[e+1]=a*h+n[e+1]*i,n[e+2]=s*h+n[e+2]*i},Sepia:function(t){var e,i,n,r,o=t.data,a=o.length;for(e=0;e<a;e+=4)i=o[e+0],n=o[e+1],r=o[e+2],o[e+0]=Math.min(255,.393*i+.769*n+.189*r),o[e+1]=Math.min(255,.349*i+.686*n+.168*r),o[e+2]=Math.min(255,.272*i+.534*n+.131*r)},Solarize:function(t){var e=t.data,i=t.width,n=4*i,r=t.height;do{var o=(r-1)*n,a=i;do{var s=o+4*(a-1),h=e[s],l=e[1+s],d=e[2+s];127<h&&(h=255-h),127<l&&(l=255-l),127<d&&(d=255-d),e[s]=h,e[1+s]=l,e[2+s]=d}while(--a)}while(--r)},Threshold:function(t){var e,i=255*this.threshold(),n=t.data,r=n.length;for(e=0;e<r;e+=1)n[e]=n[e]<i?0:255}}})});