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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 v4.0.10
* http://konvajs.org/
* Licensed under the MIT
* Date: Tue Sep 10 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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t.prototype.fillShape=function(t){t.getFillEnabled()&&this._fill(t)},t.prototype._fill=function(t){},t.prototype.strokeShape=function(t){t.getStrokeEnabled()&&this._stroke(t)},t.prototype._stroke=function(t){},t.prototype.fillStrokeShape=function(t){t.getFillEnabled()&&this._fill(t),t.getStrokeEnabled()&&this._stroke(t)},t.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 s},t.prototype.clearTrace=function(){this.traceArr=[]},t.prototype._trace=function(t){var e=this.traceArr;e.push(t),100<=e.length&&e.shift()},t.prototype.reset=function(){var t=this.getCanvas().getPixelRatio();this.setTransform(1*t,0,0,1*t,0,0)},t.prototype.getCanvas=function(){return this.canvas},t.prototype.clear=function(t){var e=this.getCanvas();t?this.clearRect(t.x||0,t.y||0,t.width||0,t.height||0):this.clearRect(0,0,e.getWidth()/e.pixelRatio,e.getHeight()/e.pixelRatio)},t.prototype._applyLineCap=function(t){var e=t.getLineCap();e&&this.setAttr("lineCap",e)},t.prototype._applyOpacity=function(t){var e=t.getAbsoluteOpacity();1!==e&&this.setAttr("globalAlpha",e)},t.prototype._applyLineJoin=function(t){var 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this._context.getImageData(t,e,i,n)},t.prototype.lineTo=function(t,e){this._context.lineTo(t,e)},t.prototype.moveTo=function(t,e){this._context.moveTo(t,e)},t.prototype.rect=function(t,e,i,n){this._context.rect(t,e,i,n)},t.prototype.putImageData=function(t,e,i){this._context.putImageData(t,e,i)},t.prototype.quadraticCurveTo=function(t,e,i,n){this._context.quadraticCurveTo(t,e,i,n)},t.prototype.restore=function(){this._context.restore()},t.prototype.rotate=function(t){this._context.rotate(t)},t.prototype.save=function(){this._context.save()},t.prototype.scale=function(t,e){this._context.scale(t,e)},t.prototype.setLineDash=function(t){this._context.setLineDash?this._context.setLineDash(t):"mozDash"in this._context?this._context.mozDash=t:"webkitLineDash"in this._context&&(this._context.webkitLineDash=t)},t.prototype.getLineDash=function(){return this._context.getLineDash()},t.prototype.setTransform=function(t,e,i,n,r,o){this._context.setTransform(t,e,i,n,r,o)},t.prototype.stroke=function(){this._context.stroke()},t.prototype.strokeText=function(t,e,i,n){this._context.strokeText(t,e,i,n)},t.prototype.transform=function(t,e,i,n,r,o){this._context.transform(t,e,i,n,r,o)},t.prototype.translate=function(t,e){this._context.translate(t,e)},t.prototype._enableTrace=function(){var t,n,r=this,e=C.length,o=E._simplifyArray,i=this.setAttr,a=function(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}};for(t=0;t<e;t++)a(C[t]);r.setAttr=function(){i.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})}},t.prototype._applyGlobalCompositeOperation=function(t){var e=t.getGlobalCompositeOperation();"source-over"!==e&&this.setAttr("globalCompositeOperation",e)},t}();["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation","imageSmoothingEnabled"].forEach(function(e){Object.defineProperty(P.prototype,e,{get:function(){return this._context[e]},set:function(t){this._context[e]=t}})});var k,T=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return w(e,t),e.prototype._fillColor=function(t){var e=t.fill();this.setAttr("fillStyle",e),t._fillFunc(this)},e.prototype._fillPattern=function(t){var 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e=this.pixelRatio;this.getContext()._context.scale(e,e)},t.prototype.setHeight=function(t){this.height=this._canvas.height=t*this.pixelRatio,this._canvas.style.height=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)},t.prototype.getWidth=function(){return this.width},t.prototype.getHeight=function(){return this.height},t.prototype.setSize=function(t,e){this.setWidth(t),this.setHeight(e)},t.prototype.toDataURL=function(t,e){try{return this._canvas.toDataURL(t,e)}catch(t){try{return this._canvas.toDataURL()}catch(t){return E.error("Unable to get data URL. 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p.isCache=!0,this._cache.delete("canvas"),(this._filterUpToDate=!1)===e.imageSmoothingEnabled&&(l.getContext()._context.imageSmoothingEnabled=!1,c.getContext()._context.imageSmoothingEnabled=!1,p.getContext()._context.imageSmoothingEnabled=!1),u.save(),f.save(),u.translate(-a,-s),f.translate(-a,-s),this._isUnderCache=!0,this._clearSelfAndDescendantCache(z),this._clearSelfAndDescendantCache(W),this.drawScene(l,this,!0),this.drawHit(p,this,!0),this._isUnderCache=!1,u.restore(),f.restore(),d&&(u.save(),u.beginPath(),u.rect(0,0,n,r),u.closePath(),u.setAttr("strokeStyle","red"),u.setAttr("lineWidth",5),u.stroke(),u.restore()),this._cache.set(H,{scene:l,filter:c,hit:p,x:a,y:s}),this}E.error("Can not cache the node. 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Caching is skipped.")},s.prototype.isCached=function(){return this._cache.has("canvas")},s.prototype.getClientRect=function(t){throw new Error('abstract "getClientRect" method call')},s.prototype._transformedRect=function(t,e){var i,n,r,o,a=[{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}],s=this.getAbsoluteTransform(e);return a.forEach(function(t){var e=s.point(t);void 0===i&&(i=r=e.x,n=o=e.y),i=Math.min(i,e.x),n=Math.min(n,e.y),r=Math.max(r,e.x),o=Math.max(o,e.y)}),{x:i,y:n,width:r-i,height:o-n}},s.prototype._drawCachedSceneCanvas=function(t){t.save(),t._applyOpacity(this),t._applyGlobalCompositeOperation(this);var e=this._getCanvasCache();t.translate(e.x,e.y);var i=this._getCachedSceneCanvas(),n=i.pixelRatio;t.drawImage(i._canvas,0,0,i.width/n,i.height/n),t.restore()},s.prototype._drawCachedHitCanvas=function(t){var e=this._getCanvasCache(),i=e.hit;t.save(),t._applyGlobalCompositeOperation(this),t.translate(e.x,e.y),t.drawImage(i._canvas,0,0),t.restore()},s.prototype._getCachedSceneCanvas=function(){var t,e,i,n,r=this.filters(),o=this._getCanvasCache(),a=o.scene,s=o.filter,h=s.getContext();if(r){if(!this._filterUpToDate){var d=a.pixelRatio;try{for(t=r.length,h.clear(),h.drawImage(a._canvas,0,0,a.getWidth()/d,a.getHeight()/d),e=h.getImageData(0,0,s.getWidth(),s.getHeight()),i=0;i<t;i++)"function"==typeof(n=r[i])?(n.call(this,e),h.putImageData(e,0,0)):E.error("Filter should be type of function, but got "+typeof n+" insted. Please check correct filters")}catch(t){E.error("Unable to apply filter. 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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)})},s.prototype.remove=function(){return this.isDragging()&&this.stopDrag(),O._dragElements.delete(this._id),this._remove(),this},s.prototype._remove=function(){this._clearSelfAndDescendantCache("stage"),this._clearSelfAndDescendantCache(N),this._clearSelfAndDescendantCache(q),this._clearSelfAndDescendantCache(Y),this._clearSelfAndDescendantCache(z);var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)},s.prototype.destroy=function(){F(this.id(),this);for(var t=(this.name()||"").split(/\s/g),e=0;e<t.length;e++){var i=t[e];B(i,this._id)}return this.remove(),this},s.prototype.getAttr=function(t){var e="get"+E._capitalize(t);return E._isFunction(this[e])?this[e]():this.attrs[t]},s.prototype.getAncestors=function(){for(var t=this.getParent(),e=new a;t;)e.push(t),t=t.getParent();return e},s.prototype.getAttrs=function(){return this.attrs||{}},s.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},s.prototype.isListening=function(){return this._getCache(Y,this._isListening)},s.prototype._isListening=function(){var t=this.listening(),e=this.getParent();return"inherit"===t?!e||e.isListening():t},s.prototype.isVisible=function(){return this._getCache(q,this._isVisible)},s.prototype._isVisible=function(t){var e=this.visible(),i=this.getParent();return"inherit"===e?!i||i===t||i._isVisible(t):e},s.prototype.shouldDrawHit=function(){var t=this.getLayer();return!t&&this.isListening()&&this.isVisible()||t&&t.hitGraphEnabled()&&this.isListening()&&this.isVisible()},s.prototype.show=function(){return this.visible(!0),this},s.prototype.hide=function(){return this.visible(!1),this},s.prototype.getZIndex=function(){return this.index||0},s.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},s.prototype.getDepth=function(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t},s.prototype.setPosition=function(t){return this.x(t.x),this.y(t.y),this},s.prototype.getPosition=function(){return{x:this.x(),y:this.y()}},s.prototype.getAbsolutePosition=function(t){var e=this.getAbsoluteTransform(t).getMatrix(),i=new l,n=this.offset();return i.m=e.slice(),i.translate(n.x,n.y),i.getTranslation()},s.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},s.prototype._setTransform=function(t){var e;for(e in t)this.attrs[e]=t[e];this._clearCache(U),this._clearSelfAndDescendantCache(N)},s.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(U),this._clearSelfAndDescendantCache(N),t},s.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},s.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])}},s.prototype.rotate=function(t){return this.rotation(this.rotation()+t),this},s.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},s.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)},s.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)},s.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)},s.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},s.prototype.getAbsoluteOpacity=function(){return this._getCache(z,this._getAbsoluteOpacity)},s.prototype._getAbsoluteOpacity=function(){var t=this.opacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=e.getAbsoluteOpacity()),t},s.prototype.moveTo=function(t){return this.getParent()!==t&&(this._remove(),t.add(this)),this},s.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)},s.prototype.toJSON=function(){return JSON.stringify(this.toObject())},s.prototype.getParent=function(){return this.parent},s.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},s.prototype.isAncestorOf=function(t){return!1},s.prototype.findAncestor=function(t,e,i){return this.findAncestors(t,e,i)[0]},s.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},s.prototype.getLayer=function(){var t=this.getParent();return t?t.getLayer():null},s.prototype.getStage=function(){return this._getCache("stage",this._getStage)},s.prototype._getStage=function(){var t=this.getParent();return t?t.getStage():void 0},s.prototype.fire=function(t,e,i){return(e=e||{}).target=e.target||this,i?this._fireAndBubble(t,e):this._fire(t,e),this},s.prototype.getAbsoluteTransform=function(t){return t?this._getAbsoluteTransform(t):this._getCache(N,this._getAbsoluteTransform)},s.prototype._getAbsoluteTransform=function(t){var i=new l;return this._eachAncestorReverse(function(t){var e=t.getTransformsEnabled();"all"===e?i.multiply(t.getTransform()):"position"===e&&i.translate(t.getX()-t.getOffsetX(),t.getY()-t.getOffsetY())},t),i},s.prototype.getAbsoluteScale=function(t){return t?this._getAbsoluteScale(t):this._getCache(W,this._getAbsoluteScale)},s.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}},s.prototype.getTransform=function(){return this._getCache(U,this._getTransform)},s.prototype._getTransform=function(){var t=new l,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(),d=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===d||t.translate(-1*h,-1*d),t},s.prototype.clone=function(t){var e,i,n,r,o,a=E.cloneObject(this.attrs);for(var s in V){delete a[V[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},s.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 G({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},s.prototype.toCanvas=function(t){return this._toKonvaCanvas(t)._canvas},s.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},s.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)})},s.prototype.setSize=function(t){return this.width(t.width),this.height(t.height),this},s.prototype.getSize=function(){return{width:this.width(),height:this.height()}},s.prototype.getClassName=function(){return this.className||this.nodeType},s.prototype.getType=function(){return this.nodeType},s.prototype.getDragDistance=function(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():I.dragDistance},s.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--}},s.prototype._fireChangeEvent=function(t,e,i){this._fire(t+"Change",{oldVal:e,newVal:i})},s.prototype.setId=function(t){var e=this.id();return F(e,this),function(t,e){e&&(L[e]=t)}(this,t),this._setAttr("id",t),this},s.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&&B(e,this._id);for(i=0;i<a.length;i++)e=a[i],-1===o.indexOf(e)&&e&&(n=this,(r=e)&&(D[r]||(D[r]=[]),D[r].push(n)));return this._setAttr("name",t),this},s.prototype.addName=function(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.setName(i)}return this},s.prototype.hasName=function(t){if(!t)return!1;var e=this.name();return!!e&&-1!==(e||"").split(/\s/g).indexOf(t)},s.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},s.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},s.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))},s.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))},s.prototype._fireAndBubble=function(t,e,i){if(e&&"Shape"===this.nodeType&&(e.target=this),!((t===X||t===j)&&(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i))){this._fire(t,e);var n=(t===X||t===j)&&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))}},s.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)},s.prototype.draw=function(){return this.drawScene(),this.drawHit(),this},s.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;O._dragElements.set(this._id,{node:this,startPointerPos:r,offset:{x:r.x-n.x,y:r.y-n.y},dragStatus:"ready",pointerId:e})},s.prototype.startDrag=function(t){O._dragElements.has(this._id)||this._createDragElement(t),O._dragElements.get(this._id).dragStatus="dragging",this.fire("dragstart",{type:"dragstart",target:this,evt:t&&t.evt},!0)},s.prototype._setDragPosition=function(t,e){var i=this.getStage()._getPointerById(e.pointerId),n=this.dragBoundFunc();if(i){var r={x:i.x-e.offset.x,y:i.y-e.offset.y};void 0!==n&&(r=n.call(this,r,t)),this._lastPos&&this._lastPos.x===r.x&&this._lastPos.y===r.y||(this.setAbsolutePosition(r),this.getLayer()?this.getLayer().batchDraw():this.getStage()&&this.getStage().batchDraw()),this._lastPos=r}},s.prototype.stopDrag=function(t){var e=O._dragElements.get(this._id);e&&(e.dragStatus="stopped"),O._endDragBefore(t),O._endDragAfter(t)},s.prototype.setDraggable=function(t){this._setAttr("draggable",t),this._dragChange()},s.prototype.isDragging=function(){var t=O._dragElements.get(this._id);return!!t&&"dragging"===t.dragStatus},s.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;O._dragElements.forEach(function(t){e.isAncestorOf(t.node)&&(i=!0)}),i||this._createDragElement(t)}})},s.prototype._dragChange=function(){this.attrs.draggable?this._listenDrag():(this._dragCleanup(),this.getStage()&&O._dragElements.has(this._id)&&this.stopDrag())},s.prototype._dragCleanup=function(){this.off("mousedown.konva"),this.off("touchstart.konva")},s.create=function(t,e){return E._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)},s._createNode=function(t,e){var i,n,r,o=s.prototype.getClassName.call(t),a=t.children;if(e&&(t.attrs.container=e),h[o]||(E.warn('Can not find a node with class name "'+o+'". Fallback to "Shape".'),o="Shape"),i=new h[o](t.attrs),a)for(n=a.length,r=0;r<n;r++)i.add(s._createNode(a[r]));return i},s}();$.prototype.nodeType="Node",$.prototype._attrsAffectingSize=[],b.addGetterSetter($,"zIndex"),b.addGetterSetter($,"absolutePosition"),b.addGetterSetter($,"position"),b.addGetterSetter($,"x",0,g()),b.addGetterSetter($,"y",0,g()),b.addGetterSetter($,"globalCompositeOperation","source-over",y()),b.addGetterSetter($,"opacity",1,g()),b.addGetterSetter($,"name","",y()),b.addGetterSetter($,"id","",y()),b.addGetterSetter($,"rotation",0,g()),b.addComponentsGetterSetter($,"scale",["x","y"]),b.addGetterSetter($,"scaleX",1,g()),b.addGetterSetter($,"scaleY",1,g()),b.addComponentsGetterSetter($,"skew",["x","y"]),b.addGetterSetter($,"skewX",0,g()),b.addGetterSetter($,"skewY",0,g()),b.addComponentsGetterSetter($,"offset",["x","y"]),b.addGetterSetter($,"offsetX",0,g()),b.addGetterSetter($,"offsetY",0,g()),b.addGetterSetter($,"dragDistance",null,g()),b.addGetterSetter($,"width",0,g()),b.addGetterSetter($,"height",0,g()),b.addGetterSetter($,"listening","inherit",function(t){return!0===t||!1===t||"inherit"===t||E.warn(t+' is a not valid value for "listening" attribute. The value may be true, false or "inherit".'),t}),b.addGetterSetter($,"preventDefault",!0,m()),b.addGetterSetter($,"filters",null,function(t){return this._filterUpToDate=!1,t}),b.addGetterSetter($,"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}),b.addGetterSetter($,"transformsEnabled","all",y()),b.addGetterSetter($,"size"),b.addGetterSetter($,"dragBoundFunc"),b.addGetterSetter($,"draggable",!1,m()),b.backCompat($,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"}),a.mapMethods($);var tt=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.children=new a,t}return w(t,e),t.prototype.getChildren=function(e){if(!e)return this.children;var i=new a;return this.children.each(function(t){e(t)&&i.push(t)}),i},t.prototype.hasChildren=function(){return 0<this.getChildren().length},t.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 a,this},t.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 a,this},t.prototype.add=function(t){if(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}if(t.getParent())return t.moveTo(this),this;var i=this.children;return this._validateAdd(t),t.index=i.length,t.parent=this,i.push(t),this._fire("add",{child:t}),this},t.prototype.destroy=function(){return this.hasChildren()&&this.destroyChildren(),e.prototype.destroy.call(this),this},t.prototype.find=function(t){return this._generalFind(t,!1)},t.prototype.get=function(t){return E.warn("collection.get() method is deprecated. Please use collection.find() instead."),this.find(t)},t.prototype.findOne=function(t){var e=this._generalFind(t,!0);return 0<e.length?e[0]:void 0},t.prototype._generalFind=function(i,n){var r=[];return this._descendants(function(t){var e=t._isMatch(i);return e&&r.push(t),!(!e||!n)}),a.toCollection(r)},t.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},t.prototype.toObject=function(){var t=$.prototype.toObject.call(this);t.children=[];for(var e=this.getChildren(),i=e.length,n=0;n<i;n++){var r=e[n];t.children.push(r.toObject())}return t},t.prototype._getDescendants=function(t){for(var e=[],i=t.length,n=0;n<i;n++){var r=t[n];this.isAncestorOf(r)&&e.push(r)}return e},t.prototype.isAncestorOf=function(t){for(var e=t.getParent();e;){if(e._id===this._id)return!0;e=e.getParent()}return!1},t.prototype.clone=function(t){var e=$.prototype.clone.call(this,t);return this.getChildren().each(function(t){e.add(t.clone())}),e},t.prototype.getAllIntersections=function(e){var i=[];return this.find("Shape").each(function(t){t.isVisible()&&t.intersects(e)&&i.push(t)}),i},t.prototype._setChildrenIndices=function(){this.children.each(function(t,e){t.index=e})},t.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},t.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},t.prototype._drawChildren=function(e,i,n,r,o,t){var a,s,h=this.getLayer(),d=e&&e.getContext(),l=this.clipWidth(),c=this.clipHeight(),p=this.clipFunc(),u=l&&c||p;if(u&&h){d.save();var f=this.getAbsoluteTransform(n),g=f.getMatrix();d.transform(g[0],g[1],g[2],g[3],g[4],g[5]),d.beginPath(),p?p.call(this,d,this):(a=this.clipX(),s=this.clipY(),d.rect(a,s,l,c)),d.clip(),g=f.copy().invert().getMatrix(),d.transform(g[0],g[1],g[2],g[3],g[4],g[5])}var v="source-over"!==this.globalCompositeOperation()&&!t;v&&h&&(d.save(),d._applyGlobalCompositeOperation(this)),this.children.each(function(t){t[i](e,n,r,o)}),v&&h&&d.restore(),u&&h&&d.restore()},t.prototype.shouldDrawHit=function(t){if(t&&t.isCache)return!0;var e=this.getLayer(),i=!1;O._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},t.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 d=this.find("Shape"),l=!1,c=0;c<d.length;c++){if(d[c]._isVisible(this)){l=!0;break}}return s=l?{x:n,y:r,width:o-n,height:a-r}:{x:0,y:0,width:0,height:0},t?s:this._transformedRect(s,e)},t}($);b.addComponentsGetterSetter(tt,"clip",["x","y","width","height"]),b.addGetterSetter(tt,"clipX",void 0,g()),b.addGetterSetter(tt,"clipY",void 0,g()),b.addGetterSetter(tt,"clipWidth",void 0,g()),b.addGetterSetter(tt,"clipHeight",void 0,g()),b.addGetterSetter(tt,"clipFunc"),a.mapMethods(tt);var et=new Map,it=void 0!==I._global.PointerEvent;function nt(t){return et.get(t)}function rt(t){return{evt:t,pointerId:t.pointerId}}function ot(t,e){return et.get(t)===e}function at(t,e){st(t),e.getStage()&&(et.set(t,e),it&&e._fire("gotpointercapture",rt(new PointerEvent("gotpointercapture"))))}function st(t,e){var i=et.get(t);if(i){var n=i.getStage();n&&n.content,et.delete(t),it&&i._fire("lostpointercapture",rt(new PointerEvent("lostpointercapture")))}}var ht="mouseout",dt="mouseleave",lt="mouseover",ct="mouseenter",pt="mousemove",ut="mousedown",ft="mouseup",gt="pointermove",vt="pointerdown",yt="pointerup",mt="contextmenu",_t="dblclick",St="touchstart",bt="touchend",xt="touchmove",wt="wheel",Ct="_",Pt=[ct,ut,pt,ft,ht,St,xt,bt,lt,wt,mt,vt,gt,yt,"pointercancel","lostpointercapture"],kt=Pt.length;function Tt(e,i){e.content.addEventListener(i,function(t){e[Ct+i](t)},!1)}var At=[];function Mt(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 Gt=function(n){function t(t){var e=n.call(this,Mt(t))||this;return e._pointerPositions=[],e._changedPointerPositions=[],e._buildDOM(),e._bindContentEvents(),At.push(e),e.on("widthChange.konva heightChange.konva",e._resizeDOM),e.on("visibleChange.konva",e._checkVisibility),e.on("clipWidthChange.konva clipHeightChange.konva clipFuncChange.konva",function(){Mt(e.attrs)}),e._checkVisibility(),e}return w(t,n),t.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.")},t.prototype._checkVisibility=function(){var t=this.visible()?"":"none";this.content.style.display=t},t.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},t.prototype.shouldDrawHit=function(){return!0},t.prototype.clear=function(){var t,e=this.children,i=e.length;for(t=0;t<i;t++)e[t].clear();return this},t.prototype.clone=function(t){return t||(t={}),t.container=document.createElement("div"),tt.prototype.clone.call(this,t)},t.prototype.destroy=function(){n.prototype.destroy.call(this);var t=this.content;t&&E._isInDocument(t)&&this.container().removeChild(t);var e=At.indexOf(this);return-1<e&&At.splice(e,1),this},t.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)},t.prototype._getPointerById=function(e){return this._pointerPositions.find(function(t){return t.id===e})},t.prototype.getPointersPositions=function(){return this._pointerPositions},t.prototype.getStage=function(){return this},t.prototype.getContent=function(){return this.content},t.prototype._toKonvaCanvas=function(i){var n=(i=i||{}).x||0,r=i.y||0,t=new G({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},t.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},t.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()}},t.prototype.add=function(t){if(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}n.prototype.add.call(this,t);var i=this.children.length;return 5<i&&E.warn("The stage has "+i+" layers. Recommended maximin 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},t.prototype.getParent=function(){return null},t.prototype.getLayer=function(){return null},t.prototype.hasPointerCapture=function(t){return ot(t,this)},t.prototype.setPointerCapture=function(t){at(t,this)},t.prototype.releaseCapture=function(t){st(t)},t.prototype.getLayers=function(){return this.getChildren()},t.prototype._bindContentEvents=function(){if(I.isBrowser)for(var t=0;t<kt;t++)Tt(this,Pt[t])},t.prototype._mouseenter=function(t){this.setPointersPositions(t),this._fire(ct,{evt:t,target:this,currentTarget:this})},t.prototype._mouseover=function(t){this.setPointersPositions(t),this._fire("contentMouseover",{evt:t}),this._fire(lt,{evt:t,target:this,currentTarget:this})},t.prototype._mouseout=function(t){this.setPointersPositions(t);var e=this.targetShape,i=!O.isDragging||I.hitOnDragEnabled;e&&i?(e._fireAndBubble(ht,{evt:t}),e._fireAndBubble(dt,{evt:t}),this.targetShape=null):i&&(this._fire(dt,{evt:t,target:this,currentTarget:this}),this._fire(ht,{evt:t,target:this,currentTarget:this})),this.pointerPos=void 0,this._pointerPositions=[],this._fire("contentMouseout",{evt:t})},t.prototype._mousemove=function(t){if(I.UA.ieMobile)return this._touchmove(t);this.setPointersPositions(t);var e,i=E._getFirstPointerId(t),n=!O.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(ht,{evt:t,pointerId:i},e),this.targetShape._fireAndBubble(dt,{evt:t,pointerId:i},e)),e._fireAndBubble(lt,{evt:t,pointerId:i},this.targetShape),e._fireAndBubble(ct,{evt:t,pointerId:i},this.targetShape),e._fireAndBubble(pt,{evt:t,pointerId:i}),this.targetShape=e):e._fireAndBubble(pt,{evt:t,pointerId:i})}else this.targetShape&&n&&(this.targetShape._fireAndBubble(ht,{evt:t,pointerId:i}),this.targetShape._fireAndBubble(dt,{evt:t,pointerId:i}),this._fire(lt,{evt:t,target:this,currentTarget:this,pointerId:i}),this.targetShape=null),this._fire(pt,{evt:t,target:this,currentTarget:this,pointerId:i});this._fire("contentMousemove",{evt:t})}t.cancelable&&t.preventDefault()},t.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());I.listenClickTap=!0,i&&i.isListening()?(this.clickStartShape=i)._fireAndBubble(ut,{evt:t,pointerId:e}):this._fire(ut,{evt:t,target:this,currentTarget:this,pointerId:e}),this._fire("contentMousedown",{evt:t})},t.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)):O.justDragged?O&&(O.justDragged=!1):(I.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout(function(){I.inDblClickWindow=!1},I.dblClickWindow),i&&i.isListening()?((this.clickEndShape=i)._fireAndBubble(ft,{evt:t,pointerId:e}),I.listenClickTap&&n&&n._id===i._id&&(i._fireAndBubble("click",{evt:t,pointerId:e}),o&&r&&r===i&&i._fireAndBubble(_t,{evt:t,pointerId:e}))):(this._fire(ft,{evt:t,target:this,currentTarget:this,pointerId:e}),I.listenClickTap&&this._fire("click",{evt:t,target:this,currentTarget:this,pointerId:e}),o&&this._fire(_t,{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()},t.prototype._contextmenu=function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(mt,{evt:t}):this._fire(mt,{evt:t,target:this,currentTarget:this}),this._fire("contentContextmenu",{evt:t})},t.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,e&&e.isListening()&&(I.captureTouchEventsEnabled&&e.setPointerCapture(t.id),(n.tapStartShape=e)._fireAndBubble(St,{evt:i,pointerId:t.id},n),r=!0,e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault())}),r||this._fire(St,{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchstart",{evt:i})},t.prototype._touchmove=function(i){var n=this;if(this.setPointersPositions(i),!O.isDragging||I.hitOnDragEnabled){var r=!1,o={};this._changedPointerPositions.forEach(function(t){var e=nt(t.id)||n.getIntersection(t);e&&e.isListening()&&(o[e._id]||(o[e._id]=!0,e._fireAndBubble(xt,{evt:i,pointerId:t.id}),r=!0,e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault()))}),r||this._fire(xt,{evt:i,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),this._fire("contentTouchmove",{evt:i})}O.isDragging&&O.node.preventDefault()&&i.cancelable&&i.preventDefault()},t.prototype._touchend=function(i){var n=this;this.setPointersPositions(i);var r=this.clickEndShape,o=!1;I.inDblClickWindow?(o=!0,clearTimeout(this.dblTimeout)):O.justDragged||(I.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout(function(){I.inDblClickWindow=!1},I.dblClickWindow);var a=!1,s={},h=!1,d=!1;this._changedPointerPositions.forEach(function(t){var e=nt(t.id)||n.getIntersection(t);e&&e.releaseCapture(t.id),e&&e.isListening()&&(s[e._id]||(s[e._id]=!0,(n.clickEndShape=e)._fireAndBubble(bt,{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&&(d=!0,e._fireAndBubble("dbltap",{evt:i,pointerId:t.id}))),e.isListening()&&e.preventDefault()&&i.cancelable&&i.preventDefault()))}),a||this._fire(bt,{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&&!d&&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},t.prototype._wheel=function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(wt,{evt:t}):this._fire(wt,{evt:t,target:this,currentTarget:this}),this._fire("contentWheel",{evt:t})},t.prototype._pointerdown=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=nt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(vt,rt(t))}},t.prototype._pointermove=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=nt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(gt,rt(t))}},t.prototype._pointerup=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=nt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(yt,rt(t)),st(t.pointerId)}},t.prototype._pointercancel=function(t){if(I._pointerEventsEnabled){this.setPointersPositions(t);var e=nt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(yt,rt(t)),st(t.pointerId)}},t.prototype._lostpointercapture=function(t){st(t.pointerId)},t.prototype.setPointersPositions=function(t){var e=this,i=this._getContentPosition(),n=null,r=null;if(void 0!==(t=t||window.event).touches){if(this._pointerPositions=[],this._changedPointerPositions=[],a.prototype.each.call(t.touches,function(t){e._pointerPositions.push({id:t.identifier,x:t.clientX-i.left,y:t.clientY-i.top})}),a.prototype.each.call(t.changedTouches||t.touches,function(t){e._changedPointerPositions.push({id:t.identifier,x:t.clientX-i.left,y:t.clientY-i.top})}),0<t.touches.length){var o=t.touches[0];n=o.clientX-i.left,r=o.clientY-i.top}}else n=t.clientX-i.left,r=t.clientY-i.top,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)}]},t.prototype._setPointerPosition=function(t){E.warn('Method _setPointerPosition is deprecated. Use "stage.setPointersPositions(event)" instead.'),this.setPointersPositions(t)},t.prototype._getContentPosition=function(){var t=this.content.getBoundingClientRect?this.content.getBoundingClientRect():{top:0,left:0};return{top:t.top,left:t.left}},t.prototype._buildDOM=function(){if(this.bufferCanvas=new G,this.bufferHitCanvas=new R({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()}},t.prototype.cache=function(){return E.warn("Cache function is not allowed for stage. 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Use "stage.width(value)" function instead.')},t.prototype.getHeight=function(){if(this.parent)return this.parent.height()},t.prototype.setHeight=function(){E.warn('Can not change height of layer. Use "stage.height(value)" function instead.')},t.prototype.getIntersection=function(t,e){return null},t.prototype.batchDraw=function(){var t=this;return this._waitingForDraw||(this._waitingForDraw=!0,E.requestAnimFrame(function(){t.draw(),t._waitingForDraw=!1})),this},t.prototype._applyTransform=function(t,e,i){var n=t.getAbsoluteTransform(i).getMatrix();e.transform(n[0],n[1],n[2],n[3],n[4],n[5])},t}(tt);Rt.prototype.nodeType="BaseLayer",b.addGetterSetter(Rt,"imageSmoothingEnabled",!0),b.addGetterSetter(Rt,"clearBeforeDraw",!0),a.mapMethods(Rt);var Ot,Lt="hasShadow",It="shadowRGBA",Et="patternImage",Dt="linearGradient",Ft="radialGradient";function Bt(){return Ot||(Ot=E.createCanvasElement().getContext("2d"))}var zt={};function Nt(){this._clearCache(Lt)}function Wt(){this._clearCache(It)}function Ht(){this._clearCache(Et)}function Yt(){this._clearCache(Dt)}function Xt(){this._clearCache(Ft)}var jt=function(n){function t(t){for(var e,i=n.call(this,t)||this;!(e=E.getRandomColor())||e in 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w(t,n),t.prototype.getContext=function(){return this.getLayer().getContext()},t.prototype.getCanvas=function(){return this.getLayer().getCanvas()},t.prototype.getSceneFunc=function(){return this.attrs.sceneFunc||this._sceneFunc},t.prototype.getHitFunc=function(){return this.attrs.hitFunc||this._hitFunc},t.prototype.hasShadow=function(){return this._getCache(Lt,this._hasShadow)},t.prototype._hasShadow=function(){return this.shadowEnabled()&&0!==this.shadowOpacity()&&!!(this.shadowColor()||this.shadowBlur()||this.shadowOffsetX()||this.shadowOffsetY())},t.prototype._getFillPattern=function(){return this._getCache(Et,this.__getFillPattern)},t.prototype.__getFillPattern=function(){if(this.fillPatternImage())return Bt().createPattern(this.fillPatternImage(),this.fillPatternRepeat()||"repeat")},t.prototype._getLinearGradient=function(){return this._getCache(Dt,this.__getLinearGradient)},t.prototype.__getLinearGradient=function(){var t=this.fillLinearGradientColorStops();if(t){for(var e=Bt(),i=this.fillLinearGradientStartPoint(),n=this.fillLinearGradientEndPoint(),r=e.createLinearGradient(i.x,i.y,n.x,n.y),o=0;o<t.length;o+=2)r.addColorStop(t[o],t[o+1]);return r}},t.prototype._getRadialGradient=function(){return this._getCache(Ft,this.__getRadialGradient)},t.prototype.__getRadialGradient=function(){var t=this.fillRadialGradientColorStops();if(t){for(var e=Bt(),i=this.fillRadialGradientStartPoint(),n=this.fillRadialGradientEndPoint(),r=e.createRadialGradient(i.x,i.y,this.fillRadialGradientStartRadius(),n.x,n.y,this.fillRadialGradientEndRadius()),o=0;o<t.length;o+=2)r.addColorStop(t[o],t[o+1]);return r}},t.prototype.getShadowRGBA=function(){return this._getCache(It,this._getShadowRGBA)},t.prototype._getShadowRGBA=function(){if(this.hasShadow()){var t=E.colorToRGBA(this.shadowColor());return"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.shadowOpacity()||1)+")"}},t.prototype.hasFill=function(){return!!(this.fill()||this.fillPatternImage()||this.fillLinearGradientColorStops()||this.fillRadialGradientColorStops())},t.prototype.hasStroke=function(){return this.strokeEnabled()&&this.strokeWidth()&&!(!this.stroke()&&!this.strokeLinearGradientColorStops())},t.prototype.intersects=function(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e),0<e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]},t.prototype.destroy=function(){return $.prototype.destroy.call(this),delete zt[this.colorKey],delete 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v={width:u+g,height:f+g,x:-Math.round(r/2+p)+Math.min(h,0)+n.x,y:-Math.round(r/2+p)+Math.min(d,0)+n.y};return e?v:this._transformedRect(v,i)},t.prototype.drawScene=function(t,e,i,n){var r,o,a=this.getLayer(),s=t||a.getCanvas(),h=s.getContext(),d=this._getCanvasCache(),l=this.sceneFunc(),c=this.hasShadow(),p=this.hasStroke();if(!this.isVisible()&&!i)return this;if(d)return h.save(),a._applyTransform(this,h,e),this._drawCachedSceneCanvas(h),h.restore(),this;if(!l)return this;if(h.save(),this._useBufferCanvas(i)&&!n){if((o=(r=this.getStage().bufferCanvas).getContext()).clear(),o.save(),o._applyLineJoin(this),!i)if(a)a._applyTransform(this,o,e);else{var u=this.getAbsoluteTransform(e).getMatrix();h.transform(u[0],u[1],u[2],u[3],u[4],u[5])}l.call(this,o,this),o.restore();var f=r.pixelRatio;c&&!s.hitCanvas?(h.save(),h._applyShadow(this),h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(r._canvas,0,0,r.width/f,r.height/f),h.restore()):(h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(r._canvas,0,0,r.width/f,r.height/f))}else{if(h._applyLineJoin(this),!i)if(a)a._applyTransform(this,h,e);else{var g=this.getAbsoluteTransform(e).getMatrix();h.transform(g[0],g[1],g[2],g[3],g[4],g[5])}c&&p&&!s.hitCanvas?(h.save(),i||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h,this),h.restore(),this.hasFill()&&this.shadowForStrokeEnabled()&&l.call(this,h,this)):c&&!s.hitCanvas?(h.save(),i||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h,this),h.restore()):(i||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),l.call(this,h,this))}return h.restore(),this},t.prototype.drawHit=function(t,e,i){var n=this.getLayer(),r=t||n.hitCanvas,o=r&&r.getContext(),a=this.hitFunc()||this.sceneFunc(),s=this._getCanvasCache(),h=s&&s.hit;if(this.colorKey||(console.log(this),E.warn("Looks like your canvas has a destroyed shape in it. Do not reuse shape after you destroyed it. See the shape in logs above. If you want to reuse shape you should call remove() instead of destroy()")),!this.shouldDrawHit()&&!i)return this;if(h)return o.save(),n._applyTransform(this,o,e),this._drawCachedHitCanvas(o),o.restore(),this;if(!a)return this;if(o.save(),o._applyLineJoin(this),!i)if(n)n._applyTransform(this,o,e);else{var d=this.getAbsoluteTransform(e).getMatrix();o.transform(d[0],d[1],d[2],d[3],d[4],d[5])}return a.call(this,o,this),o.restore(),this},t.prototype.drawHitFromCache=function(t){void 0===t&&(t=0);var e,i,n,r,o,a=this._getCanvasCache(),s=this._getCachedSceneCanvas(),h=a.hit,d=h.getContext(),l=h.getWidth(),c=h.getHeight();d.clear(),d.drawImage(s._canvas,0,0,l,c);try{for(n=(i=(e=d.getImageData(0,0,l,c)).data).length,r=E._hexToRgb(this.colorKey),o=0;o<n;o+=4)t<i[o+3]?(i[o]=r.r,i[o+1]=r.g,i[o+2]=r.b,i[o+3]=255):i[o+3]=0;d.putImageData(e,0,0)}catch(t){E.error("Unable to draw hit graph from cached scene canvas. 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255===o?(e=E._rgbToHex(r[0],r[1],r[2]),(i=zt["#"+e])?{shape:i}:{antialiased:!0}):0<o?{antialiased:!0}:{}},t.prototype.drawScene=function(t,e){var i=this.getLayer(),n=t||i&&i.getCanvas();return this._fire("beforeDraw",{node:this}),this.clearBeforeDraw()&&n.getContext().clear(),tt.prototype.drawScene.call(this,n,e),this._fire("draw",{node:this}),this},t.prototype.drawHit=function(t,e){var i=this.getLayer(),n=t||i&&i.hitCanvas;return i&&i.clearBeforeDraw()&&i.getHitCanvas().getContext().clear(),tt.prototype.drawHit.call(this,n,e),this},t.prototype.clear=function(t){return Rt.prototype.clear.call(this,t),this.getHitCanvas().getContext().clear(t),this},t.prototype.enableHitGraph=function(){return this.hitGraphEnabled(!0),this},t.prototype.disableHitGraph=function(){return this.hitGraphEnabled(!1),this},t.prototype.toggleHitCanvas=function(){if(this.parent){var 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t,e,i,n=(t=0!==this.tension()?this._getTensionPoints():this.points())[0],r=t[0],o=t[1],a=t[1],s=0;s<t.length/2;s++)e=t[2*s],i=t[2*s+1],n=Math.min(n,e),r=Math.max(r,e),o=Math.min(o,i),a=Math.max(a,i);return{x:Math.round(n),y:Math.round(o),width:Math.round(r-n),height:Math.round(a-o)}},t}(jt);se.prototype.className="Line",se.prototype._attrsAffectingSize=["points","bezier","tension"],i(se),b.addGetterSetter(se,"closed",!1),b.addGetterSetter(se,"bezier",!1),b.addGetterSetter(se,"tension",0,g()),b.addGetterSetter(se,"points",[],function(){if(I.isUnminified)return function(t,e){return E._isArray(t)?t.forEach(function(t){E._isNumber(t)||E.warn('"'+e+'" attribute has non numeric element '+t+". 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t=this.frameIndex(),e=this.animation();t<this.animations()[e].length/4-1?this.frameIndex(t+1):this.frameIndex(0)},t}(jt);Ce.prototype.className="Sprite",i(Ce),b.addGetterSetter(Ce,"animation"),b.addGetterSetter(Ce,"animations"),b.addGetterSetter(Ce,"frameOffsets"),b.addGetterSetter(Ce,"image"),b.addGetterSetter(Ce,"frameIndex",0,g()),b.addGetterSetter(Ce,"frameRate",17,g()),b.backCompat(Ce,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"}),a.mapMethods(Ce);var Pe=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return w(e,t),e.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)},e.prototype.getWidth=function(){return 2*this.outerRadius()},e.prototype.getHeight=function(){return 2*this.outerRadius()},e.prototype.setWidth=function(t){this.outerRadius(t/2)},e.prototype.setHeight=function(t){this.outerRadius(t/2)},e}(jt);Pe.prototype.className="Star",Pe.prototype._centroid=!0,Pe.prototype._attrsAffectingSize=["innerRadius","outerRadius"],i(Pe),b.addGetterSetter(Pe,"numPoints",5,g()),b.addGetterSetter(Pe,"innerRadius",0,g()),b.addGetterSetter(Pe,"outerRadius",0,g()),a.mapMethods(Pe);var ke,Te="auto",Ae="justify",Me=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","verticalAlign","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],Ge=Me.length;function Re(){return ke||(ke=E.createCanvasElement().getContext("2d"))}var Oe=function(n){function t(t){var e=n.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<Ge;i++)e.on(Me[i]+"Change.konva",e._setTextData);return e._setTextData(),e}return w(t,n),t.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,d=this.align(),l=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++){y=0,m=0;var _,S,b,x=o[e],w=x.text,C=x.width,P=e!==a-1;if(t.save(),"right"===d?y+=l-C-2*i:"center"===d&&(y+=(l-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=d===Ae&&P&&!S?l-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=d===Ae&&P&&!S?l-2*i:C,t.lineTo(y+Math.round(b),v+m),t.lineWidth=n/15,t.strokeStyle=p,t.stroke(),t.restore()),0!==c||d===Ae){_=w.split(" ").length-1;for(var k=0;k<w.length;k++){var T=w[k];" "===T&&e!==a-1&&d===Ae&&(y+=Math.floor((l-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)}},t.prototype._hitFunc=function(t){var e=this.getWidth(),i=this.getHeight();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)},t.prototype.setText=function(t){var e=E._isString(t)?t:(t||"").toString();return this._setAttr("text",e),this},t.prototype.getWidth=function(){return this.attrs.width===Te||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width},t.prototype.getHeight=function(){return this.attrs.height===Te||void 0===this.attrs.height?this.fontSize()*this.textArr.length*this.lineHeight()+2*this.padding():this.attrs.height},t.prototype.getTextWidth=function(){return this.textWidth},t.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},t.prototype.measureSize=function(t){var e,i=Re(),n=this.fontSize();return i.save(),i.font=this._getContextFont(),e=i.measureText(t),i.restore(),{width:e.width,height:n}},t.prototype._getContextFont=function(){return I.UA.isIE?this.fontStyle()+" "+this.fontSize()+"px "+this.fontFamily():this.fontStyle()+" "+this.fontVariant()+" "+this.fontSize()+"px "+this.fontFamily()},t.prototype._addTextLine=function(t){this.align()===Ae&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})},t.prototype._getTextWidth=function(t){var e=this.letterSpacing(),i=t.length;return Re().measureText(t).width+(i?e*(i-1):0)},t.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!==Te&&void 0!==r,s=o!==Te&&void 0!==o,h=this.padding(),d=r-2*h,l=o-2*h,c=0,p=this.wrap(),u="none"!==p,f="char"!==p&&u,g=this.ellipsis()&&!u;this.textArr=[],Re().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&&d<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<=d?(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<=d?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&&l<c+n)break;if(0<(_=(_=_.slice(b)).trimLeft()).length&&(S=this._getTextWidth(_))<=d){this._addTextLine(_),c+=n,i=Math.max(i,S);break}}else this._addTextLine(_),c+=n,i=Math.max(i,S);if(s&&l<c+n)break}this.textHeight=e,this.textWidth=i},t.prototype.getStrokeScaleEnabled=function(){return!0},t}(jt);Oe.prototype._fillFunc=function(t){t.fillText(this._partialText,this._partialTextX,this._partialTextY)},Oe.prototype._strokeFunc=function(t){t.strokeText(this._partialText,this._partialTextX,this._partialTextY)},Oe.prototype.className="Text",Oe.prototype._attrsAffectingSize=["text","fontSize","padding","wrap","lineHeight"],i(Oe),b.overWriteSetter(Oe,"width",v()),b.overWriteSetter(Oe,"height",v()),b.addGetterSetter(Oe,"fontFamily","Arial"),b.addGetterSetter(Oe,"fontSize",12,g()),b.addGetterSetter(Oe,"fontStyle","normal"),b.addGetterSetter(Oe,"fontVariant","normal"),b.addGetterSetter(Oe,"padding",0,g()),b.addGetterSetter(Oe,"align","left"),b.addGetterSetter(Oe,"verticalAlign","top"),b.addGetterSetter(Oe,"lineHeight",1,g()),b.addGetterSetter(Oe,"wrap","word"),b.addGetterSetter(Oe,"ellipsis",!1),b.addGetterSetter(Oe,"letterSpacing",0,g()),b.addGetterSetter(Oe,"text","",y()),b.addGetterSetter(Oe,"textDecoration",""),a.mapMethods(Oe);function Le(t){t.fillText(this.partialText,0,0)}function Ie(t){t.strokeText(this.partialText,0,0)}var Ee=function(i){function t(t){var e=i.call(this,t)||this;return e.dummyCanvas=E.createCanvasElement(),e.dataArray=[],e.dataArray=_e.parsePathData(e.attrs.data),e.on("dataChange.konva",function(){this.dataArray=_e.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}return w(t,i),t.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()},t.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()},t.prototype.getTextWidth=function(){return this.textWidth},t.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},t.prototype.setText=function(t){return Oe.prototype.setText.call(this,t)},t.prototype._getContextFont=function(){return Oe.prototype._getContextFont.call(this)},t.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)}},t.prototype._setTextData=function(){var d=this,t=this._getTextSize(this.attrs.text),l=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)*l,0);this.glyphInfo=[];for(var u=0,i=0;i<d.dataArray.length;i++)0<d.dataArray[i].pathLength&&(u+=d.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=d.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=d._getTextSize(t).width+l;" "===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":_e.getLineLength(f.x,f.y,v.points[0],v.points[1])>e?g=_e.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=_e.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=_e.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=_e.getPointOnQuadraticBezier(m,v.start.x,v.start.y,v.points[0],v.points[1],v.points[2],v.points[3])}void 0!==g&&(i=_e.getLineLength(f.x,f.y,g.x,g.y)),o&&(o=!1,v=void 0)}},s=d._getTextSize("C").width+l,h=0;h<n/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=_e.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=_e.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}},t.prototype.getSelfRect=function(){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],r=e[0],o=e[0],a=e[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}},t}(jt);Ee.prototype._fillFunc=Le,Ee.prototype._strokeFunc=Ie,Ee.prototype._fillFuncHit=Le,Ee.prototype._strokeFuncHit=Ie,Ee.prototype.className="TextPath",Ee.prototype._attrsAffectingSize=["text","fontSize","data"],i(Ee),b.addGetterSetter(Ee,"data"),b.addGetterSetter(Ee,"fontFamily","Arial"),b.addGetterSetter(Ee,"fontSize",12,g()),b.addGetterSetter(Ee,"fontStyle","normal"),b.addGetterSetter(Ee,"align","left"),b.addGetterSetter(Ee,"letterSpacing",0,g()),b.addGetterSetter(Ee,"textBaseline","middle"),b.addGetterSetter(Ee,"fontVariant","normal"),b.addGetterSetter(Ee,"text",""),b.addGetterSetter(Ee,"textDecoration",null),b.addGetterSetter(Ee,"kerningFunc",null),a.mapMethods(Ee);var De="tr-konva",Fe=["resizeEnabledChange","rotateAnchorOffsetChange","rotateEnabledChange","enabledAnchorsChange","anchorSizeChange","borderEnabledChange","borderStrokeChange","borderStrokeWidthChange","borderDashChange","anchorStrokeChange","anchorStrokeWidthChange","anchorFillChange","anchorCornerRadiusChange","ignoreStrokeChange"].map(function(t){return t+"."+De}).join(" "),Be="nodeRect",ze=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"].map(function(t){return t+"."+De}).join(" "),Ne={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135};var We=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"],He=function(i){function t(t){var e=i.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(Fe,e.update),e.getNode()&&e.update(),e}return w(t,i),t.prototype.attachTo=function(t){return this.setNode(t),this},t.prototype.setNode=function(t){var e=this;this._node&&this.detach(),this._node=t,this._resetTransformCache();var i=t._attrsAffectingSize.map(function(t){return t+"Change."+De}).join(" "),n=function(){e._resetTransformCache(),e._transforming||e.update()};return t.on(i,n),t.on(ze,n),t.on("xChange."+De+" yChange."+De,function(){return e._resetTransformCache()}),!!this.findOne(".top-left")&&this.update(),this},t.prototype.getNode=function(){return this._node},t.prototype.detach=function(){this.getNode()&&(this.getNode().off("."+De),this._node=void 0),this._resetTransformCache()},t.prototype._resetTransformCache=function(){this._clearCache(Be),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")},t.prototype._getNodeRect=function(){return this._getCache(Be,this.__getNodeRect)},t.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()}},t.prototype.getX=function(){return this._getNodeRect().x},t.prototype.getY=function(){return this._getNodeRect().y},t.prototype.getRotation=function(){return this._getNodeRect().rotation},t.prototype.getWidth=function(){return this._getNodeRect().width},t.prototype.getHeight=function(){return this._getNodeRect().height},t.prototype._createElements=function(){this._createBack(),We.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")},t.prototype._createAnchor=function(r){var o=this,a=new Se({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:r+" _anchor",dragDistance:0,draggable:!0}),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(Ne[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)},t.prototype._createBack=function(){var t=new jt({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())),t.fillStrokeShape(this)}});this.add(t)},t.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})},t.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 d=this.keepRatio()||t.shiftKey;if("top-left"===this._movingAnchorName){if(d){n=Math.sqrt(Math.pow(this.findOne(".bottom-right").x()-r.x(),2)+Math.pow(this.findOne(".bottom-right").y()-r.y(),2));var l=this.findOne(".top-left").x()>this.findOne(".bottom-right").x()?-1:1,c=this.findOne(".top-left").y()>this.findOne(".bottom-right").y()?-1:1;e=n*this.cos*l,i=n*this.sin*c,this.findOne(".top-left").x(this.findOne(".bottom-right").x()-e),this.findOne(".top-left").y(this.findOne(".bottom-right").y()-i)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(r.y());else if("top-right"===this._movingAnchorName){if(d){n=Math.sqrt(Math.pow(this.findOne(".bottom-left").x()-r.x(),2)+Math.pow(this.findOne(".bottom-left").y()-r.y(),2));l=this.findOne(".top-right").x()<this.findOne(".top-left").x()?-1:1,c=this.findOne(".top-right").y()>this.findOne(".bottom-left").y()?-1:1;e=n*this.cos*l,i=n*this.sin*c,this.findOne(".top-right").x(e),this.findOne(".top-right").y(this.findOne(".bottom-left").y()-i)}var p=r.position();this.findOne(".top-left").y(p.y),this.findOne(".bottom-right").x(p.x)}else if("middle-left"===this._movingAnchorName)this.findOne(".top-left").x(r.x());else 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n,r,o,a,s=t.data,h=e.data,d=t.width,l=t.height,c=i.polarCenterX||d/2,p=i.polarCenterY||l/2,u=0,f=0,g=0,v=0,y=Math.sqrt(c*c+p*p);r=d-c,o=l-p,y=y<(a=Math.sqrt(r*r+o*o))?a:y;var m,_,S,b,x=l,w=d,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[0+(n=4*((o=Math.floor(p+y*m/x*S))*d+r))],f=s[n+1],g=s[n+2],v=s[n+3],h[0+(n=4*(_+m*d))]=u,h[n+1]=f,h[n+2]=g,h[n+3]=v}(t,v,{polarCenterX:l/2,polarCenterY:c/2});for(var y=l/Math.pow(2,p);y<=8;)y*=2,p-=1;var m=y=Math.ceil(y),_=0,S=m,b=1;for(l<f+y&&(_=m,S=0,b=-1),i=0;i<c;i+=1)for(e=_;e!==S;e+=b)h=4*(l*i+Math.round(e+f)%l),r=v.data[h+0],o=v.data[h+1],a=v.data[h+2],s=v.data[h+3],d=4*(l*i+e),v.data[d+0]=r,v.data[d+1]=o,v.data[d+2]=a,v.data[d+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*(l*i+e),r=v.data[h+0],o=v.data[h+1],a=v.data[h+2],s=v.data[h+3],d=4*(l*i+2*m-e-1),v.data[d+0]=r,v.data[d+1]=o,v.data[d+2]=a,v.data[d+3]=s;m*=2}!function(t,e,i){var n,r,o,a,s,h,d=t.data,l=e.data,c=t.width,p=t.height,u=i.polarCenterX||c/2,f=i.polarCenterY||p/2,g=0,v=0,y=0,m=0,_=Math.sqrt(u*u+f*f);r=c-u,o=p-f,_=_<(h=Math.sqrt(r*r+o*o))?h:_;var S,b,x,w=p,C=c,P=i.polarRotation||0;for(r=0;r<c;r+=1)for(o=0;o<p;o+=1)a=r-u,s=o-f,S=Math.sqrt(a*a+s*s)*w/_,b=(b=(180*Math.atan2(s,a)/Math.PI+360+P)%360)*C/360,x=Math.floor(b),g=d[0+(n=4*(Math.floor(S)*c+x))],v=d[n+1],y=d[n+2],m=d[n+3],l[0+(n=4*(o*c+r))]=g,l[n+1]=v,l[n+2]=y,l[n+3]=m}(v,t,{polarRotation:0})}},Mask:function(t){var e=function(t,e){var i=Ve(t,0,0),n=Ve(t,t.width-1,0),r=Ve(t,0,t.height-1),o=Ve(t,t.width-1,t.height-1),a=e||10;if(Ke(i,n)<a&&Ke(n,o)<a&&Ke(o,r)<a&&Ke(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=[],d=0;d<t.width*t.height;d++){var l=Ke(s,[t.data[4*d],t.data[4*d+1],t.data[4*d+2]]);h[d]=l<a?0:255}return h}}(t,this.threshold());return e&&function(t,e){for(var i=0;i<t.width*t.height;i++)t.data[4*i+3]=e[i]}(t,e=function(t,e,i){for(var n=[1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9],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 d=s*e+h,l=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];l+=t[u*e+f]*g}}a[d]=l}return a}(e=function(t,e,i){for(var 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 d=s*e+h,l=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];l+=t[u*e+f]*g}}a[d]=1020<=l?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 d=s*e+h,l=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];l+=t[u*e+f]*g}}a[d]=2040===l?255:0}return 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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],d=e[1+s],l=e[2+s];127<h&&(h=255-h),127<d&&(d=255-d),127<l&&(l=255-l),e[s]=h,e[1+s]=d,e[2+s]=l}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}}})});