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konva.min.js
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/*
* Konva JavaScript Framework v1.7.6
* http://konvajs.github.io/
* Licensed under the MIT or GPL Version 2 licenses.
* Date: Wed Nov 01 2017
*
* Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
* Modified work Copyright (C) 2014 - 2017 by Anton Lavrenov (Konva)
*
* @license
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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t},_isInDocument:function(t){for(;t=t.parentNode;)if(t==Konva.document)return!0;return!1},_simplifyArray:function(t){var e,n,i=[],a=t.length,r=Konva.Util;for(e=0;e<a;e++)n=t[e],r._isNumber(n)?n=Math.round(1e3*n)/1e3:r._isString(n)||(n=n.toString()),i.push(n);return i},_getImage:function(t,e){var n,i;t?this._isElement(t)?e(t):this._isString(t)?((n=new Konva.window.Image).onload=function(){e(n)},n.src=t):t.data?((i=Konva.Util.createCanvasElement()).width=t.width,i.height=t.height,i.getContext("2d").putImageData(t,0,0),this._getImage(i.toDataURL(),e)):e(null):e(null)},_getRGBAString:function(t){return["rgba(",t.red||0,",",t.green||0,",",t.blue||0,",",t.alpha||1,")"].join("")},_rgbToHex:function(t,e,n){return((1<<24)+(t<<16)+(e<<8)+n).toString(16).slice(1)},_hexToRgb:function(t){t=t.replace("#","");var e=parseInt(t,16);return{r:e>>16&255,g:e>>8&255,b:255&e}},getRandomColor:function(){for(var t=(16777215*Math.random()<<0).toString(16);t.length<6;)t="0"+t;return"#"+t},get:function(t,e){return void 0===t?e:t},getRGB:function(t){var e;return t in n?(e=n[t],{r:e[0],g:e[1],b:e[2]}):"#"===t[0]?this._hexToRgb(t.substring(1)):"rgb("===t.substr(0,4)?(e=i.exec(t.replace(/ /g,"")),{r:parseInt(e[1],10),g:parseInt(e[2],10),b:parseInt(e[3],10)}):{r:0,g:0,b:0}},colorToRGBA:function(t){return t=t||"black",Konva.Util._namedColorToRBA(t)||Konva.Util._hex3ColorToRGBA(t)||Konva.Util._hex6ColorToRGBA(t)||Konva.Util._rgbColorToRGBA(t)||Konva.Util._rgbaColorToRGBA(t)},_namedColorToRBA:function(t){var e=n[t.toLowerCase()];return e?{r:e[0],g:e[1],b:e[2],a:1}:null},_rgbColorToRGBA:function(t){if(0===t.indexOf("rgb(")){var e=(t=t.match(/rgb\(([^)]+)\)/)[1]).split(/ *, */).map(Number);return{r:e[0],g:e[1],b:e[2],a:1}}},_rgbaColorToRGBA:function(t){if(0===t.indexOf("rgba(")){var e=(t=t.match(/rgba\(([^)]+)\)/)[1]).split(/ *, 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"+t)},warn:function(t){Konva.global.console&&console.warn&&Konva.showWarnings&&console.warn("Konva warning: "+t)},extend:function(t,e){function n(){this.constructor=t}n.prototype=e.prototype;var i=t.prototype;t.prototype=new n;for(var a in i)i.hasOwnProperty(a)&&(t.prototype[a]=i[a]);t.__super__=e.prototype,t.super=e},addMethods:function(t,e){var n;for(n in e)t.prototype[n]=e[n]},_getControlPoints:function(t,e,n,i,a,r,o){var s=Math.sqrt(Math.pow(n-t,2)+Math.pow(i-e,2)),h=Math.sqrt(Math.pow(a-n,2)+Math.pow(r-i,2)),c=o*s/(s+h),l=o*h/(s+h);return[n-c*(a-t),i-c*(r-e),n+l*(a-t),i+l*(r-e)]},_expandPoints:function(t,e){var n,i,a=t.length,r=[];for(n=2;n<a-2;n+=2)i=Konva.Util._getControlPoints(t[n-2],t[n-1],t[n],t[n+1],t[n+2],t[n+3],e),r.push(i[0]),r.push(i[1]),r.push(t[n]),r.push(t[n+1]),r.push(i[2]),r.push(i[3]);return r},_removeLastLetter:function(t){return t.substring(0,t.length-1)},each:function(t,e){for(var n in t)e(n,t[n])},_getProjectionToSegment:function(t,e,n,i,a,r){var o,s,h,c=(t-n)*(t-n)+(e-i)*(e-i);if(0==c)o=t,s=e,h=(a-n)*(a-n)+(r-i)*(r-i);else{var l=((a-t)*(n-t)+(r-e)*(i-e))/c;l<0?(o=t,s=e,h=(t-a)*(t-a)+(e-r)*(e-r)):l>1?(o=n,s=i,h=(n-a)*(n-a)+(i-r)*(i-r)):h=((o=t+l*(n-t))-a)*(o-a)+((s=e+l*(i-e))-r)*(s-r)}return[o,s,h]},_getProjectionToLine:function(t,e,n){var i=Konva.Util.cloneObject(t),a=Number.MAX_VALUE;return e.forEach(function(r,o){if(n||o!==e.length-1){var s=e[(o+1)%e.length],h=Konva.Util._getProjectionToSegment(r.x,r.y,s.x,s.y,t.x,t.y),c=h[0],l=h[1],d=h[2];d<a&&(i.x=c,i.y=l,a=d)}}),i},_prepareArrayForTween:function(t,e,n){var i,a=[],r=[];if(t.length>e.length){var o=e;e=t,t=o}for(i=0;i<t.length;i+=2)a.push({x:t[i],y:t[i+1]});for(i=0;i<e.length;i+=2)r.push({x:e[i],y:e[i+1]});var s=[];return r.forEach(function(t){var e=Konva.Util._getProjectionToLine(t,a,n);s.push(e.x),s.push(e.y)}),s},_prepareToStringify:function(t){var e;t.visitedByCircularReferenceRemoval=!0;for(var n in t)if(t.hasOwnProperty(n)&&t[n]&&"object"==typeof t[n])if(e=Object.getOwnPropertyDescriptor(t,n),t[n].visitedByCircularReferenceRemoval||Konva.Util._isElement(t[n])){if(!e.configurable)return null;delete t[n]}else if(null===Konva.Util._prepareToStringify(t[n])){if(!e.configurable)return null;delete t[n]}return delete t.visitedByCircularReferenceRemoval,t}}}(),function(){"use strict";function t(){if(e)return e;var t=Konva.Util.createCanvasElement().getContext("2d");return e=(Konva.window.devicePixelRatio||1)/(t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1)}var e;Konva.Canvas=function(t){this.init(t)},Konva.Canvas.prototype={init:function(e){var n=(e||{}).pixelRatio||Konva.pixelRatio||t();this.pixelRatio=n,this._canvas=Konva.Util.createCanvasElement(),this._canvas.style.padding=0,this._canvas.style.margin=0,this._canvas.style.border=0,this._canvas.style.background="transparent",this._canvas.style.position="absolute",this._canvas.style.top=0,this._canvas.style.left=0},getContext:function(){return this.context},getPixelRatio:function(){return this.pixelRatio},setPixelRatio:function(t){var e=this.pixelRatio;this.pixelRatio=t,this.setSize(this.getWidth()/e,this.getHeight()/e)},setWidth:function(t){this.width=this._canvas.width=t*this.pixelRatio,this._canvas.style.width=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)},setHeight: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)},getWidth:function(){return this.width},getHeight:function(){return this.height},setSize:function(t,e){this.setWidth(t),this.setHeight(e)},toDataURL:function(t,e){try{return this._canvas.toDataURL(t,e)}catch(t){try{return this._canvas.toDataURL()}catch(t){return Konva.Util.warn("Unable to get data URL. "+t.message),""}}}},Konva.SceneCanvas=function(t){var e=t||{},n=e.width||0,i=e.height||0;Konva.Canvas.call(this,e),this.context=new Konva.SceneContext(this),this.setSize(n,i)},Konva.Util.extend(Konva.SceneCanvas,Konva.Canvas),Konva.HitCanvas=function(t){var e=t||{},n=e.width||0,i=e.height||0;Konva.Canvas.call(this,e),this.context=new Konva.HitContext(this),this.setSize(n,i),this.hitCanvas=!0},Konva.Util.extend(Konva.HitCanvas,Konva.Canvas)}(),function(){"use strict";var t=["arc","arcTo","beginPath","bezierCurveTo","clearRect","clip","closePath","createLinearGradient","createPattern","createRadialGradient","drawImage","fill","fillText","getImageData","createImageData","lineTo","moveTo","putImageData","quadraticCurveTo","rect","restore","rotate","save","scale","setLineDash","setTransform","stroke","strokeText","transform","translate"],e=["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation"];Konva.Context=function(t){this.init(t)},Konva.Context.prototype={init:function(t){this.canvas=t,this._context=t._canvas.getContext("2d"),Konva.enableTrace&&(this.traceArr=[],this._enableTrace())},fillShape:function(t){t.getFillEnabled()&&this._fill(t)},strokeShape:function(t){t.getStrokeEnabled()&&this._stroke(t)},fillStrokeShape:function(t){t.getFillEnabled()&&this._fill(t),t.getStrokeEnabled()&&this._stroke(t)},getTrace:function(t){var e,n,i,a,r=this.traceArr,o=r.length,s="";for(e=0;e<o;e++)(i=(n=r[e]).method)?(a=n.args,s+=i,t?s+="()":Konva.Util._isArray(a[0])?s+="(["+a.join(",")+"])":s+="("+a.join(",")+")"):(s+=n.property,t||(s+="="+n.val)),s+=";";return s},clearTrace:function(){this.traceArr=[]},_trace:function(t){var e=this.traceArr;e.push(t),e.length>=Konva.traceArrMax&&e.shift()},reset:function(){var t=this.getCanvas().getPixelRatio();this.setTransform(1*t,0,0,1*t,0,0)},getCanvas:function(){return this.canvas},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)},_applyLineCap:function(t){var e=t.getLineCap();e&&this.setAttr("lineCap",e)},_applyOpacity:function(t){var e=t.getAbsoluteOpacity();1!==e&&this.setAttr("globalAlpha",e)},_applyLineJoin:function(t){var e=t.getLineJoin();e&&this.setAttr("lineJoin",e)},setAttr:function(t,e){this._context[t]=e},arc:function(){var t=arguments;this._context.arc(t[0],t[1],t[2],t[3],t[4],t[5])},beginPath:function(){this._context.beginPath()},bezierCurveTo:function(){var t=arguments;this._context.bezierCurveTo(t[0],t[1],t[2],t[3],t[4],t[5])},clearRect:function(){var t=arguments;this._context.clearRect(t[0],t[1],t[2],t[3])},clip:function(){this._context.clip()},closePath:function(){this._context.closePath()},createImageData:function(){var t=arguments;return 2===t.length?this._context.createImageData(t[0],t[1]):1===t.length?this._context.createImageData(t[0]):void 0},createLinearGradient:function(){var t=arguments;return this._context.createLinearGradient(t[0],t[1],t[2],t[3])},createPattern:function(){var t=arguments;return this._context.createPattern(t[0],t[1])},createRadialGradient:function(){var t=arguments;return this._context.createRadialGradient(t[0],t[1],t[2],t[3],t[4],t[5])},drawImage:function(){var t=arguments,e=this._context;3===t.length?e.drawImage(t[0],t[1],t[2]):5===t.length?e.drawImage(t[0],t[1],t[2],t[3],t[4]):9===t.length&&e.drawImage(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])},isPointInPath:function(t,e){return this._context.isPointInPath(t,e)},fill:function(){this._context.fill()},fillRect:function(t,e,n,i){this._context.fillRect(t,e,n,i)},strokeRect:function(t,e,n,i){this._context.strokeRect(t,e,n,i)},fillText:function(){var t=arguments;this._context.fillText(t[0],t[1],t[2])},measureText:function(t){return this._context.measureText(t)},getImageData:function(){var t=arguments;return this._context.getImageData(t[0],t[1],t[2],t[3])},lineTo:function(){var t=arguments;this._context.lineTo(t[0],t[1])},moveTo:function(){var t=arguments;this._context.moveTo(t[0],t[1])},rect:function(){var t=arguments;this._context.rect(t[0],t[1],t[2],t[3])},putImageData:function(){var t=arguments;this._context.putImageData(t[0],t[1],t[2])},quadraticCurveTo:function(){var t=arguments;this._context.quadraticCurveTo(t[0],t[1],t[2],t[3])},restore:function(){this._context.restore()},rotate:function(){var t=arguments;this._context.rotate(t[0])},save:function(){this._context.save()},scale:function(){var t=arguments;this._context.scale(t[0],t[1])},setLineDash:function(){var t=arguments,e=this._context;this._context.setLineDash?e.setLineDash(t[0]):"mozDash"in e?e.mozDash=t[0]:"webkitLineDash"in e&&(e.webkitLineDash=t[0])},getLineDash:function(){return this._context.getLineDash()},setTransform:function(){var t=arguments;this._context.setTransform(t[0],t[1],t[2],t[3],t[4],t[5])},stroke:function(){this._context.stroke()},strokeText:function(){var t=arguments;this._context.strokeText(t[0],t[1],t[2])},transform:function(){var t=arguments;this._context.transform(t[0],t[1],t[2],t[3],t[4],t[5])},translate:function(){var t=arguments;this._context.translate(t[0],t[1])},_enableTrace:function(){var e,n,i=this,a=t.length,r=Konva.Util._simplifyArray,o=this.setAttr;for(e=0;e<a;e++)!function(t){var e,a=i[t];i[t]=function(){return n=r(Array.prototype.slice.call(arguments,0)),e=a.apply(i,arguments),i._trace({method:t,args:n}),e}}(t[e]);i.setAttr=function(){o.apply(i,arguments);var t=arguments[0],e=arguments[1];"shadowOffsetX"!==t&&"shadowOffsetY"!==t&&"shadowBlur"!==t||(e/=this.canvas.getPixelRatio()),i._trace({property:t,val:e})}}},e.forEach(function(t){Object.defineProperty(Konva.Context.prototype,t,{get:function(){return this._context[t]},set:function(e){this._context[t]=e}})}),Konva.SceneContext=function(t){Konva.Context.call(this,t)},Konva.SceneContext.prototype={_fillColor:function(t){var e=t.fill();this.setAttr("fillStyle",e),t._fillFunc(this)},_fillPattern:function(t){var e=t.getFillPatternX(),n=t.getFillPatternY(),i=t.getFillPatternScale(),a=Konva.getAngle(t.getFillPatternRotation()),r=t.getFillPatternOffset();(e||n)&&this.translate(e||0,n||0),a&&this.rotate(a),i&&this.scale(i.x,i.y),r&&this.translate(-1*r.x,-1*r.y),this.setAttr("fillStyle",this.createPattern(t.getFillPatternImage(),t.getFillPatternRepeat()||"repeat")),this.fill()},_fillLinearGradient:function(t){var e=t.getFillLinearGradientStartPoint(),n=t.getFillLinearGradientEndPoint(),i=t.getFillLinearGradientColorStops(),a=this.createLinearGradient(e.x,e.y,n.x,n.y);if(i){for(var r=0;r<i.length;r+=2)a.addColorStop(i[r],i[r+1]);this.setAttr("fillStyle",a),t._fillFunc(this)}},_fillRadialGradient:function(t){for(var e=t.getFillRadialGradientStartPoint(),n=t.getFillRadialGradientEndPoint(),i=t.getFillRadialGradientStartRadius(),a=t.getFillRadialGradientEndRadius(),r=t.getFillRadialGradientColorStops(),o=this.createRadialGradient(e.x,e.y,i,n.x,n.y,a),s=0;s<r.length;s+=2)o.addColorStop(r[s],r[s+1]);this.setAttr("fillStyle",o),this.fill()},_fill:function(t){var e=t.fill(),n=t.getFillPatternImage(),i=t.getFillLinearGradientColorStops(),a=t.getFillRadialGradientColorStops(),r=t.getFillPriority();e&&"color"===r?this._fillColor(t):n&&"pattern"===r?this._fillPattern(t):i&&"linear-gradient"===r?this._fillLinearGradient(t):a&&"radial-gradient"===r?this._fillRadialGradient(t):e?this._fillColor(t):n?this._fillPattern(t):i?this._fillLinearGradient(t):a&&this._fillRadialGradient(t)},_stroke:function(t){var e=t.dash(),n=t.getStrokeScaleEnabled()||t instanceof Konva.Text;t.hasStroke()&&(n||(this.save(),this.setTransform(1,0,0,1,0,0)),this._applyLineCap(t),e&&t.dashEnabled()&&(this.setLineDash(e),this.setAttr("lineDashOffset",t.dashOffset())),this.setAttr("lineWidth",t.strokeWidth()),this.setAttr("strokeStyle",t.stroke()),t.getShadowForStrokeEnabled()||this.setAttr("shadowColor","rgba(0,0,0,0)"),t._strokeFunc(this),n||this.restore())},_applyShadow:function(t){var e=Konva.Util,n=e.get(t.getShadowRGBA(),"black"),i=e.get(t.getShadowBlur(),5),a=e.get(t.getShadowOffset(),{x:0,y:0}),r=t.getAbsoluteScale(),o=this.canvas.getPixelRatio(),s=r.x*o,h=r.y*o;this.setAttr("shadowColor",n),this.setAttr("shadowBlur",i*o*Math.min(Math.abs(s),Math.abs(h))),this.setAttr("shadowOffsetX",a.x*s),this.setAttr("shadowOffsetY",a.y*h)},_applyGlobalCompositeOperation:function(t){var e=t.getGlobalCompositeOperation();"source-over"!==e&&this.setAttr("globalCompositeOperation",e)}},Konva.Util.extend(Konva.SceneContext,Konva.Context),Konva.HitContext=function(t){Konva.Context.call(this,t)},Konva.HitContext.prototype={_fill:function(t){this.save(),this.setAttr("fillStyle",t.colorKey),t._fillFuncHit(this),this.restore()},_stroke:function(t){if(t.hasStroke()&&t.strokeHitEnabled()){var e=t.getStrokeScaleEnabled()||t instanceof Konva.Text;e||(this.save(),this.setTransform(1,0,0,1,0,0)),this._applyLineCap(t),this.setAttr("lineWidth",t.strokeWidth()),this.setAttr("strokeStyle",t.colorKey),t._strokeFuncHit(this),e||this.restore()}}},Konva.Util.extend(Konva.HitContext,Konva.Context)}(),function(){"use strict";Konva.Factory={addGetterSetter:function(t,e,n,i,a){this.addGetter(t,e,n),this.addSetter(t,e,i,a),this.addOverloadedGetterSetter(t,e)},addGetter:function(t,e,n){var i="get"+Konva.Util._capitalize(e);t.prototype[i]=function(){var t=this.attrs[e];return void 0===t?n:t}},addSetter:function(t,e,n,i){var a="set"+Konva.Util._capitalize(e);t.prototype[a]=function(t){return n&&(t=n.call(this,t)),this._setAttr(e,t),i&&i.call(this),this}},addComponentsGetterSetter:function(t,e,n,i,a){var r,o,s=n.length,h=Konva.Util._capitalize,c="get"+h(e),l="set"+h(e);t.prototype[c]=function(){var t={};for(r=0;r<s;r++)t[o=n[r]]=this.getAttr(e+h(o));return t},t.prototype[l]=function(t){var n,r=this.attrs[e];i&&(t=i.call(this,t));for(n in t)t.hasOwnProperty(n)&&this._setAttr(e+h(n),t[n]);return this._fireChangeEvent(e,r,t),a&&a.call(this),this},this.addOverloadedGetterSetter(t,e)},addOverloadedGetterSetter:function(t,e){var n=Konva.Util._capitalize(e),i="set"+n,a="get"+n;t.prototype[e]=function(){return arguments.length?(this[i](arguments[0]),this):this[a]()}},addDeprecatedGetterSetter:function(t,e,n,i){var a="get"+Konva.Util._capitalize(e),r=e+" property is deprecated and will be removed soon. Look at Konva change log for more information.";t.prototype[a]=function(){Konva.Util.error(r);var t=this.attrs[e];return void 0===t?n:t},this.addSetter(t,e,i,function(){Konva.Util.error(r)}),this.addOverloadedGetterSetter(t,e)},backCompat:function(t,e){Konva.Util.each(e,function(e,n){var i=t.prototype[n];t.prototype[e]=function(){i.apply(this,arguments),Konva.Util.error(e+" method is deprecated and will be removed soon. Use "+n+" instead")}})},afterSetFilter:function(){this._filterUpToDate=!1}},Konva.Validators={RGBComponent:function(t){return t>255?255:t<0?0:Math.round(t)},alphaComponent:function(t){return t>1?1:t<1e-4?1e-4:t}}}(),function(t){"use strict";var e="Shape",n=["id"],i=["xChange.konva","yChange.konva","scaleXChange.konva","scaleYChange.konva","skewXChange.konva","skewYChange.konva","rotationChange.konva","offsetXChange.konva","offsetYChange.konva","transformsEnabledChange.konva"].join(" "),a=["scaleXChange.konva","scaleYChange.konva"].join(" ");t.Node=function(t){this._init(t)},t.Util.addMethods(t.Node,{_init:function(e){var n=this;this._id=t.idCounter++,this.eventListeners={},this.attrs={},this._cache={},this._filterUpToDate=!1,this._isUnderCache=!1,this.setAttrs(e),this.on(i,function(){this._clearCache("transform"),n._clearSelfAndDescendantCache("absoluteTransform")}),this.on(a,function(){n._clearSelfAndDescendantCache("absoluteScale")}),this.on("visibleChange.konva",function(){n._clearSelfAndDescendantCache("visible")}),this.on("listeningChange.konva",function(){n._clearSelfAndDescendantCache("listening")}),this.on("opacityChange.konva",function(){n._clearSelfAndDescendantCache("absoluteOpacity")})},_clearCache:function(t){t?delete this._cache[t]:this._cache={}},_getCache:function(t,e){return void 0===this._cache[t]&&(this._cache[t]=e.call(this)),this._cache[t]},_clearSelfAndDescendantCache:function(t){this._clearCache(t),this.children&&this.getChildren().each(function(e){e._clearSelfAndDescendantCache(t)})},clearCache:function(){return delete this._cache.canvas,this._filterUpToDate=!1,this},cache:function(e){var n=e||{},i=this.getClientRect({skipTransform:!0,relativeTo:this.getParent()}),a=n.width||i.width,r=n.height||i.height,o=n.pixelRatio,s=n.x||i.x,h=n.y||i.y,c=n.offset||0,l=n.drawBorder||!1;{if(a&&r){a+=2*c,r+=2*c,s-=c,h-=c;var d=new t.SceneCanvas({pixelRatio:o,width:a,height:r}),u=new t.SceneCanvas({pixelRatio:o,width:a,height:r}),f=new t.HitCanvas({pixelRatio:1,width:a,height:r}),v=d.getContext(),g=f.getContext();return f.isCache=!0,this.clearCache(),v.save(),g.save(),v.translate(-s,-h),g.translate(-s,-h),this._isUnderCache=!0,this._clearSelfAndDescendantCache("absoluteOpacity"),this._clearSelfAndDescendantCache("absoluteScale"),this.drawScene(d,this,!0),this.drawHit(f,this,!0),this._isUnderCache=!1,v.restore(),g.restore(),l&&(v.save(),v.beginPath(),v.rect(0,0,a,r),v.closePath(),v.setAttr("strokeStyle","red"),v.setAttr("lineWidth",5),v.stroke(),v.restore()),this._cache.canvas={scene:d,filter:u,hit:f,x:s,y:h},this}setTimeout(function(){t.Util.throw("Width or height of caching configuration equals 0. Caching is ignored.")})}},getClientRect:function(){throw new Error('abstract "getClientRect" method call')},_transformedRect:function(t,e){var n,i,a,r,o=[{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 o.forEach(function(t){var e=s.point(t);void 0===n&&(n=a=e.x,i=r=e.y),n=Math.min(n,e.x),i=Math.min(i,e.y),a=Math.max(a,e.x),r=Math.max(r,e.y)}),{x:n,y:i,width:a-n,height:r-i}},_drawCachedSceneCanvas:function(t){t.save(),t._applyOpacity(this),t._applyGlobalCompositeOperation(this),t.translate(this._cache.canvas.x,this._cache.canvas.y);var e=this._getCachedSceneCanvas(),n=e.pixelRatio;t.drawImage(e._canvas,0,0,e.width/n,e.height/n),t.restore()},_drawCachedHitCanvas:function(t){var e=this._cache.canvas.hit;t.save(),t.translate(this._cache.canvas.x,this._cache.canvas.y),t.drawImage(e._canvas,0,0),t.restore()},_getCachedSceneCanvas:function(){var e,n,i,a,r=this.filters(),o=this._cache.canvas,s=o.scene,h=o.filter,c=h.getContext();if(r){if(!this._filterUpToDate){var l=s.pixelRatio;try{for(e=r.length,c.clear(),c.drawImage(s._canvas,0,0,s.getWidth()/l,s.getHeight()/l),n=c.getImageData(0,0,h.getWidth(),h.getHeight()),i=0;i<e;i++)"function"==typeof(a=r[i])?(a.call(this,n),c.putImageData(n,0,0)):t.Util.error("Filter should be type of function, but got "+typeof a+" insted. Please check correct filters")}catch(e){t.Util.error("Unable to apply filter. "+e.message)}this._filterUpToDate=!0}return h}return s},on:function(t,e){if(3===arguments.length)return this._delegate.apply(this,arguments);var n,i,a,r,o=t.split(" "),s=o.length;for(n=0;n<s;n++)a=(i=o[n].split("."))[0],r=i[1]||"",this.eventListeners[a]||(this.eventListeners[a]=[]),this.eventListeners[a].push({name:r,handler:e});return this},off:function(t){var e,n,i,a,r,o,s=(t||"").split(" "),h=s.length;if(!t)for(n in this.eventListeners)this._off(n);for(e=0;e<h;e++)if(i=s[e],a=i.split("."),r=a[0],o=a[1],r)this.eventListeners[r]&&this._off(r,o);else for(n in this.eventListeners)this._off(n,o);return this},dispatchEvent:function(t){var e={target:this,type:t.type,evt:t};return this.fire(t.type,e),this},addEventListener:function(t,e){return this.on(t,function(t){e.call(this,t.evt)}),this},removeEventListener:function(t){return this.off(t),this},_delegate:function(e,n,i){var a=this;this.on(e,function(e){for(var r=e.target.findAncestors(n,!0,a),o=0;o<r.length;o++)(e=t.Util.cloneObject(e)).currentTarget=r[o],i.call(r[o],e)})},remove:function(){var t=this.getParent();return t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),delete this.parent),this._clearSelfAndDescendantCache("stage"),this._clearSelfAndDescendantCache("absoluteTransform"),this._clearSelfAndDescendantCache("visible"),this._clearSelfAndDescendantCache("listening"),this._clearSelfAndDescendantCache("absoluteOpacity"),this},destroy:function(){t._removeId(this.getId());for(var e=(this.getName()||"").split(/\s/g),n=0;n<e.length;n++){var i=e[n];t._removeName(i,this._id)}return this.remove(),this},getAttr:function(e){var n="get"+t.Util._capitalize(e);return t.Util._isFunction(this[n])?this[n]():this.attrs[e]},getAncestors:function(){for(var e=this.getParent(),n=new t.Collection;e;)n.push(e),e=e.getParent();return n},getAttrs:function(){return this.attrs||{}},setAttrs:function(e){var n,i;if(!e)return this;for(n in e)"children"!==n&&(i="set"+t.Util._capitalize(n),t.Util._isFunction(this[i])?this[i](e[n]):this._setAttr(n,e[n]));return this},isListening:function(){return this._getCache("listening",this._isListening)},_isListening:function(){var t=this.getListening(),e=this.getParent();return"inherit"===t?!e||e.isListening():t},isVisible:function(){return this._getCache("visible",this._isVisible)},_isVisible:function(){var t=this.getVisible(),e=this.getParent();return"inherit"===t?!e||e.isVisible():t},shouldDrawHit:function(t){var e=this.getLayer();return t&&t.isCache||e&&e.hitGraphEnabled()&&this.isListening()&&this.isVisible()},show:function(){return this.setVisible(!0),this},hide:function(){return this.setVisible(!1),this},getZIndex:function(){return this.index||0},getAbsoluteZIndex:function(){function t(c){for(n=[],i=c.length,a=0;a<i;a++)r=c[a],h++,r.nodeType!==e&&(n=n.concat(r.getChildren().toArray())),r._id===s._id&&(a=i);n.length>0&&n[0].getDepth()<=o&&t(n)}var n,i,a,r,o=this.getDepth(),s=this,h=0;return"Stage"!==s.nodeType&&t(s.getStage().getChildren()),h},getDepth:function(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t},setPosition:function(t){return this.setX(t.x),this.setY(t.y),this},getPosition:function(){return{x:this.getX(),y:this.getY()}},getAbsolutePosition:function(e){var n=this.getAbsoluteTransform(e).getMatrix(),i=new t.Transform,a=this.offset();return i.m=n.slice(),i.translate(a.x,a.y),i.getTranslation()},setAbsolutePosition:function(t){var e,n=this._clearTransform();return this.attrs.x=n.x,this.attrs.y=n.y,delete n.x,delete n.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(n),this},_setTransform:function(t){var e;for(e in t)this.attrs[e]=t[e];this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")},_clearTransform:function(){var t={x:this.getX(),y:this.getY(),rotation:this.getRotation(),scaleX:this.getScaleX(),scaleY:this.getScaleY(),offsetX:this.getOffsetX(),offsetY:this.getOffsetY(),skewX:this.getSkewX(),skewY:this.getSkewY()};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("transform"),this._clearSelfAndDescendantCache("absoluteTransform"),t},move:function(t){var e=t.x,n=t.y,i=this.getX(),a=this.getY();return void 0!==e&&(i+=e),void 0!==n&&(a+=n),this.setPosition({x:i,y:a}),this},_eachAncestorReverse:function(t,e){var n,i,a=[],r=this.getParent();if(e&&e._id===this._id)return t(this),!0;for(a.unshift(this);r&&(!e||r._id!==e._id);)a.unshift(r),r=r.parent;for(n=a.length,i=0;i<n;i++)t(a[i])},rotate:function(t){return this.setRotation(this.getRotation()+t),this},moveToTop:function(){if(!this.parent)return t.Util.warn("Node has no parent. moveToTop function is ignored."),!1;var e=this.index;return this.parent.children.splice(e,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0},moveUp:function(){if(!this.parent)return t.Util.warn("Node has no parent. moveUp function is ignored."),!1;var e=this.index;return e<this.parent.getChildren().length-1&&(this.parent.children.splice(e,1),this.parent.children.splice(e+1,0,this),this.parent._setChildrenIndices(),!0)},moveDown:function(){if(!this.parent)return t.Util.warn("Node has no parent. moveDown function is ignored."),!1;var e=this.index;return e>0&&(this.parent.children.splice(e,1),this.parent.children.splice(e-1,0,this),this.parent._setChildrenIndices(),!0)},moveToBottom:function(){if(!this.parent)return t.Util.warn("Node has no parent. moveToBottom function is ignored."),!1;var e=this.index;return e>0&&(this.parent.children.splice(e,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0)},setZIndex:function(e){if(!this.parent)return t.Util.warn("Node has no parent. zIndex parameter is ignored."),!1;var n=this.index;return this.parent.children.splice(n,1),this.parent.children.splice(e,0,this),this.parent._setChildrenIndices(),this},getAbsoluteOpacity:function(){return this._getCache("absoluteOpacity",this._getAbsoluteOpacity)},_getAbsoluteOpacity:function(){var t=this.getOpacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=this.getParent().getAbsoluteOpacity()),t},moveTo:function(t){return this.getParent()!==t&&((this.__originalRemove||this.remove).call(this),t.add(this)),this},toObject:function(){var e,n,i,a,r={},o=this.getAttrs();r.attrs={};for(e in o)n=o[e],i=this[e],delete o[e],a=i?i.call(this):null,o[e]=n,a!==n&&(r.attrs[e]=n);return r.className=this.getClassName(),t.Util._prepareToStringify(r)},toJSON:function(){return JSON.stringify(this.toObject())},getParent:function(){return this.parent},findAncestors:function(t,e,n){var i=[];e&&this._isMatch(t)&&i.push(this);for(var a=this.parent;a;){if(a===n)return i;a._isMatch(t)&&i.push(a),a=a.parent}return i},findAncestor:function(t,e,n){return this.findAncestors(t,e,n)[0]},_isMatch:function(e){if(!e)return!1;var n,i,a=e.replace(/ /g,"").split(","),r=a.length;for(n=0;n<r;n++)if(i=a[n],t.Util.isValidSelector(i)||(t.Util.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),t.Util.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),t.Util.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(0!==this._get(i).length)return!0;return!1},getLayer:function(){var t=this.getParent();return t?t.getLayer():null},getStage:function(){return this._getCache("stage",this._getStage)},_getStage:function(){var t=this.getParent();return t?t.getStage():void 0},fire:function(t,e,n){return e=e||{},e.target=e.target||this,n?this._fireAndBubble(t,e):this._fire(t,e),this},getAbsoluteTransform:function(t){return t?this._getAbsoluteTransform(t):this._getCache("absoluteTransform",this._getAbsoluteTransform)},_getAbsoluteTransform:function(e){var n,i,a=new t.Transform;return this._eachAncestorReverse(function(t){n=t.transformsEnabled(),i=t.getTransform(),"all"===n?a.multiply(i):"position"===n&&a.translate(t.x(),t.y())},e),a},getAbsoluteScale:function(t){return t?this._getAbsoluteScale(t):this._getCache("absoluteScale",this._getAbsoluteScale)},_getAbsoluteScale:function(t){for(var e=this;e;)e._isUnderCache&&(t=e),e=e.getParent();var n=1,i=1;return this._eachAncestorReverse(function(t){n*=t.scaleX(),i*=t.scaleY()},t),{x:n,y:i}},getTransform:function(){return this._getCache("transform",this._getTransform)},_getTransform:function(){var e=new t.Transform,n=this.getX(),i=this.getY(),a=t.getAngle(this.getRotation()),r=this.getScaleX(),o=this.getScaleY(),s=this.getSkewX(),h=this.getSkewY(),c=this.getOffsetX(),l=this.getOffsetY();return 0===n&&0===i||e.translate(n,i),0!==a&&e.rotate(a),0===s&&0===h||e.skew(s,h),1===r&&1===o||e.scale(r,o),0===c&&0===l||e.translate(-1*c,-1*l),e},clone:function(e){var i,a,r,o,s,h=t.Util.cloneObject(this.attrs);for(var c in n)delete h[n[c]];for(i in e)h[i]=e[i];var l=new this.constructor(h);for(i in this.eventListeners)for(r=(a=this.eventListeners[i]).length,o=0;o<r;o++)(s=a[o]).name.indexOf("konva")<0&&(l.eventListeners[i]||(l.eventListeners[i]=[]),l.eventListeners[i].push(s));return l},_toKonvaCanvas:function(e){e=e||{};var n=this.getStage(),i=e.x||0,a=e.y||0,r=e.pixelRatio||1,o=new t.SceneCanvas({width:e.width||this.getWidth()||(n?n.getWidth():0),height:e.height||this.getHeight()||(n?n.getHeight():0),pixelRatio:r}),s=o.getContext();return s.save(),(i||a)&&s.translate(-1*i,-1*a),this.drawScene(o),s.restore(),o},toCanvas:function(t){return this._toKonvaCanvas(t)._canvas},toDataURL:function(t){var e=(t=t||{}).mimeType||null,n=t.quality||null;return this._toKonvaCanvas(t).toDataURL(e,n)},toImage:function(e){if(!e||!e.callback)throw"callback required for toImage method config argument";t.Util._getImage(this.toDataURL(e),function(t){e.callback(t)})},setSize:function(t){return this.setWidth(t.width),this.setHeight(t.height),this},getSize:function(){return{width:this.getWidth(),height:this.getHeight()}},getWidth:function(){return this.attrs.width||0},getHeight:function(){return this.attrs.height||0},getClassName:function(){return this.className||this.nodeType},getType:function(){return this.nodeType},getDragDistance:function(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():t.dragDistance},_get:function(t){return this.className===t||this.nodeType===t?[this]:[]},_off:function(t,e){var n,i,a=this.eventListeners[t];for(n=0;n<a.length;n++)if(!("konva"===(i=a[n].name)&&"konva"!==e||e&&i!==e)){if(a.splice(n,1),0===a.length){delete this.eventListeners[t];break}n--}},_fireChangeEvent:function(t,e,n){this._fire(t+"Change",{oldVal:e,newVal:n})},setId:function(e){var n=this.getId();return t._removeId(n),t._addId(this,e),this._setAttr("id",e),this},setName:function(e){var n,i,a=(this.getName()||"").split(/\s/g),r=(e||"").split(/\s/g);for(i=0;i<a.length;i++)n=a[i],-1===r.indexOf(n)&&n&&t._removeName(n,this._id);for(i=0;i<r.length;i++)n=r[i],-1===a.indexOf(n)&&n&&t._addName(this,n);return this._setAttr("name",e),this},addName:function(t){if(!this.hasName(t)){var e=this.name(),n=e?e+" "+t:t;this.setName(n)}return this},hasName:function(t){return-1!==(this.name()||"").split(/\s/g).indexOf(t)},removeName:function(t){var e=(this.name()||"").split(/\s/g),n=e.indexOf(t);return-1!==n&&(e.splice(n,1),this.setName(e.join(" "))),this},setAttr:function(e,n){var i=this["set"+t.Util._capitalize(e)];return t.Util._isFunction(i)?i.call(this,n):this._setAttr(e,n),this},_setAttr:function(t,e){var n;(n=this.attrs[t])!==e&&(void 0===e||null===e?delete this.attrs[t]:this.attrs[t]=e,this._fireChangeEvent(t,n,e))},_setComponentAttr:function(t,e,n){var i;void 0!==n&&((i=this.attrs[t])||(this.attrs[t]=this.getAttr(t)),this.attrs[t][e]=n,this._fireChangeEvent(t,i,n))},_fireAndBubble:function(t,n,i){var a=!0;if(n&&this.nodeType===e&&(n.target=this),"mouseenter"===t&&i&&(this._id===i._id||this.isAncestorOf&&this.isAncestorOf(i))?a=!1:"mouseleave"===t&&i&&(this._id===i._id||this.isAncestorOf&&this.isAncestorOf(i))&&(a=!1),a){this._fire(t,n);var r=("mouseenter"===t||"mouseleave"===t)&&i&&i.isAncestorOf&&i.isAncestorOf(this)&&!i.isAncestorOf(this.parent);(n&&!n.cancelBubble||!n)&&this.parent&&this.parent.isListening()&&!r&&(i&&i.parent?this._fireAndBubble.call(this.parent,t,n,i.parent):this._fireAndBubble.call(this.parent,t,n))}},_fire:function(t,e){var n,i=this.eventListeners[t];if(e=e||{},e.currentTarget=this,e.type=t,i)for(n=0;n<i.length;n++)i[n].handler.call(this,e)},draw:function(){return this.drawScene(),this.drawHit(),this}}),t.Node.create=function(e,n){return t.Util._isString(e)&&(e=JSON.parse(e)),this._createNode(e,n)},t.Node._createNode=function(e,n){var i,a,r,o=t.Node.prototype.getClassName.call(e),s=e.children;if(n&&(e.attrs.container=n),i=new t[o](e.attrs),s)for(a=s.length,r=0;r<a;r++)i.add(this._createNode(s[r]));return i},t.Factory.addOverloadedGetterSetter(t.Node,"position"),t.Factory.addGetterSetter(t.Node,"x",0),t.Factory.addGetterSetter(t.Node,"y",0),t.Factory.addGetterSetter(t.Node,"globalCompositeOperation","source-over"),t.Factory.addGetterSetter(t.Node,"opacity",1),t.Factory.addGetter(t.Node,"name"),t.Factory.addOverloadedGetterSetter(t.Node,"name"),t.Factory.addGetter(t.Node,"id"),t.Factory.addOverloadedGetterSetter(t.Node,"id"),t.Factory.addGetterSetter(t.Node,"rotation",0),t.Factory.addComponentsGetterSetter(t.Node,"scale",["x","y"]),t.Factory.addGetterSetter(t.Node,"scaleX",1),t.Factory.addGetterSetter(t.Node,"scaleY",1),t.Factory.addComponentsGetterSetter(t.Node,"skew",["x","y"]),t.Factory.addGetterSetter(t.Node,"skewX",0),t.Factory.addGetterSetter(t.Node,"skewY",0),t.Factory.addComponentsGetterSetter(t.Node,"offset",["x","y"]),t.Factory.addGetterSetter(t.Node,"offsetX",0),t.Factory.addGetterSetter(t.Node,"offsetY",0),t.Factory.addSetter(t.Node,"dragDistance"),t.Factory.addOverloadedGetterSetter(t.Node,"dragDistance"),t.Factory.addSetter(t.Node,"width",0),t.Factory.addOverloadedGetterSetter(t.Node,"width"),t.Factory.addSetter(t.Node,"height",0),t.Factory.addOverloadedGetterSetter(t.Node,"height"),t.Factory.addGetterSetter(t.Node,"listening","inherit"),t.Factory.addGetterSetter(t.Node,"preventDefault",!0),t.Factory.addGetterSetter(t.Node,"filters",void 0,function(t){return this._filterUpToDate=!1,t}),t.Factory.addGetterSetter(t.Node,"visible","inherit"),t.Factory.addGetterSetter(t.Node,"transformsEnabled","all"),t.Factory.addOverloadedGetterSetter(t.Node,"size"),t.Factory.backCompat(t.Node,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"}),t.Collection.mapMethods(t.Node)}(Konva),function(){"use strict";Konva.Filters.Grayscale=function(t){var e,n,i=t.data,a=i.length;for(e=0;e<a;e+=4)n=.34*i[e]+.5*i[e+1]+.16*i[e+2],i[e]=n,i[e+1]=n,i[e+2]=n}}(),function(t){"use strict";t.Filters.Brighten=function(t){var e,n=255*this.brightness(),i=t.data,a=i.length;for(e=0;e<a;e+=4)i[e]+=n,i[e+1]+=n,i[e+2]+=n},t.Factory.addGetterSetter(t.Node,"brightness",0,null,t.Factory.afterSetFilter)}(Konva),function(){"use strict";Konva.Filters.Invert=function(t){var e,n=t.data,i=n.length;for(e=0;e<i;e+=4)n[e]=255-n[e],n[e+1]=255-n[e+1],n[e+2]=255-n[e+2]}}(),function(t){"use strict";function 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e=Math.round(this.blurRadius());e>0&&n(t,e)},t.Factory.addGetterSetter(t.Node,"blurRadius",0,null,t.Factory.afterSetFilter)}(Konva),function(){"use strict";function t(t,e,n){var i=4*(n*t.width+e),a=[];return a.push(t.data[i++],t.data[i++],t.data[i++],t.data[i++]),a}function e(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 n(t){for(var e=[0,0,0],n=0;n<t.length;n++)e[0]+=t[n][0],e[1]+=t[n][1],e[2]+=t[n][2];return e[0]/=t.length,e[1]/=t.length,e[2]/=t.length,e}function i(i,a){var r=t(i,0,0),o=t(i,i.width-1,0),s=t(i,0,i.height-1),h=t(i,i.width-1,i.height-1),c=a||10;if(e(r,o)<c&&e(o,h)<c&&e(h,s)<c&&e(s,r)<c){for(var l=n([o,r,h,s]),d=[],u=0;u<i.width*i.height;u++){var f=e(l,[i.data[4*u],i.data[4*u+1],i.data[4*u+2]]);d[u]=f<c?0:255}return d}}function a(t,e){for(var n=0;n<t.width*t.height;n++)t.data[4*n+3]=e[n]}function r(t,e,n){for(var i=[1,1,1,1,0,1,1,1,1],a=Math.round(Math.sqrt(i.length)),r=Math.floor(a/2),o=[],s=0;s<n;s++)for(var h=0;h<e;h++){for(var c=s*e+h,l=0,d=0;d<a;d++)for(var u=0;u<a;u++){var f=s+d-r,v=h+u-r;if(f>=0&&f<n&&v>=0&&v<e){var g=f*e+v,p=i[d*a+u];l+=t[g]*p}}o[c]=2040===l?255:0}return o}function o(t,e,n){for(var i=[1,1,1,1,1,1,1,1,1],a=Math.round(Math.sqrt(i.length)),r=Math.floor(a/2),o=[],s=0;s<n;s++)for(var h=0;h<e;h++){for(var c=s*e+h,l=0,d=0;d<a;d++)for(var u=0;u<a;u++){var f=s+d-r,v=h+u-r;if(f>=0&&f<n&&v>=0&&v<e){var g=f*e+v,p=i[d*a+u];l+=t[g]*p}}o[c]=l>=1020?255:0}return o}function s(t,e,n){for(var i=[1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9],a=Math.round(Math.sqrt(i.length)),r=Math.floor(a/2),o=[],s=0;s<n;s++)for(var h=0;h<e;h++){for(var c=s*e+h,l=0,d=0;d<a;d++)for(var u=0;u<a;u++){var f=s+d-r,v=h+u-r;if(f>=0&&f<n&&v>=0&&v<e){var g=f*e+v,p=i[d*a+u];l+=t[g]*p}}o[c]=l}return o}Konva.Filters.Mask=function(t){var e=i(t,this.threshold());return e&&a(t,e=s(e=o(e=r(e,t.width,t.height),t.width,t.height),t.width,t.height)),t},Konva.Factory.addGetterSetter(Konva.Node,"threshold",0,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.RGB=function(t){var e,n,i=t.data,a=i.length,r=this.red(),o=this.green(),s=this.blue();for(e=0;e<a;e+=4)n=(.34*i[e]+.5*i[e+1]+.16*i[e+2])/255,i[e]=n*r,i[e+1]=n*o,i[e+2]=n*s,i[e+3]=i[e+3]},Konva.Factory.addGetterSetter(Konva.Node,"red",0,function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)}),Konva.Factory.addGetterSetter(Konva.Node,"green",0,function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)}),Konva.Factory.addGetterSetter(Konva.Node,"blue",0,Konva.Validators.RGBComponent,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.RGBA=function(t){var e,n,i=t.data,a=i.length,r=this.red(),o=this.green(),s=this.blue(),h=this.alpha();for(e=0;e<a;e+=4)n=1-h,i[e]=r*h+i[e]*n,i[e+1]=o*h+i[e+1]*n,i[e+2]=s*h+i[e+2]*n},Konva.Factory.addGetterSetter(Konva.Node,"red",0,function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)}),Konva.Factory.addGetterSetter(Konva.Node,"green",0,function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)}),Konva.Factory.addGetterSetter(Konva.Node,"blue",0,Konva.Validators.RGBComponent,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"alpha",1,function(t){return this._filterUpToDate=!1,t>1?1:t<0?0:t})}(),function(){"use strict";Konva.Filters.HSV=function(t){var e,n,i,a,r,o=t.data,s=o.length,h=Math.pow(2,this.value()),c=Math.pow(2,this.saturation()),l=Math.abs(this.hue()+360)%360,d=h*c*Math.cos(l*Math.PI/180),u=h*c*Math.sin(l*Math.PI/180),f=.299*h+.701*d+.167*u,v=.587*h-.587*d+.33*u,g=.114*h-.114*d-.497*u,p=.299*h-.299*d-.328*u,m=.587*h+.413*d+.035*u,_=.114*h-.114*d+.293*u,y=.299*h-.3*d+1.25*u,S=.587*h-.586*d-1.05*u,K=.114*h+.886*d-.2*u;for(e=0;e<s;e+=4)n=o[e+0],i=o[e+1],a=o[e+2],r=o[e+3],o[e+0]=f*n+v*i+g*a,o[e+1]=p*n+m*i+_*a,o[e+2]=y*n+S*i+K*a,o[e+3]=r},Konva.Factory.addGetterSetter(Konva.Node,"hue",0,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"saturation",0,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"value",0,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Factory.addGetterSetter(Konva.Node,"hue",0,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"saturation",0,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"luminance",0,null,Konva.Factory.afterSetFilter),Konva.Filters.HSL=function(t){var e,n,i,a,r,o=t.data,s=o.length,h=Math.pow(2,this.saturation()),c=Math.abs(this.hue()+360)%360,l=127*this.luminance(),d=1*h*Math.cos(c*Math.PI/180),u=1*h*Math.sin(c*Math.PI/180),f=.299+.701*d+.167*u,v=.587-.587*d+.33*u,g=.114-.114*d-.497*u,p=.299-.299*d-.328*u,m=.587+.413*d+.035*u,_=.114-.114*d+.293*u,y=.299-.3*d+1.25*u,S=.587-.586*d-1.05*u,K=.114+.886*d-.2*u;for(e=0;e<s;e+=4)n=o[e+0],i=o[e+1],a=o[e+2],r=o[e+3],o[e+0]=f*n+v*i+g*a+l,o[e+1]=p*n+m*i+_*a+l,o[e+2]=y*n+S*i+K*a+l,o[e+3]=r}}(),function(){"use strict";Konva.Filters.Emboss=function(t){var e=10*this.embossStrength(),n=255*this.embossWhiteLevel(),i=this.embossDirection(),a=this.embossBlend(),r=0,o=0,s=t.data,h=t.width,c=t.height,l=4*h,d=c;switch(i){case"top-left":r=-1,o=-1;break;case"top":r=-1,o=0;break;case"top-right":r=-1,o=1;break;case"right":r=0,o=1;break;case"bottom-right":r=1,o=1;break;case"bottom":r=1,o=0;break;case"bottom-left":r=1,o=-1;break;case"left":r=0,o=-1;break;default:Konva.Util.error("Unknown emboss direction: "+i)}do{var u=(d-1)*l,f=r;d+f<1&&(f=0),d+f>c&&(f=0);var v=(d-1+f)*h*4,g=h;do{var p=u+4*(g-1),m=o;g+m<1&&(m=0),g+m>h&&(m=0);var _=v+4*(g-1+m),y=s[p]-s[_],S=s[p+1]-s[_+1],K=s[p+2]-s[_+2],C=y,x=C>0?C:-C,w=S>0?S:-S,b=K>0?K:-K;if(w>x&&(C=S),b>x&&(C=K),C*=e,a){var F=s[p]+C,T=s[p+1]+C,P=s[p+2]+C;s[p]=F>255?255:F<0?0:F,s[p+1]=T>255?255:T<0?0:T,s[p+2]=P>255?255:P<0?0:P}else{var A=n-C;A<0?A=0:A>255&&(A=255),s[p]=s[p+1]=s[p+2]=A}}while(--g)}while(--d)},Konva.Factory.addGetterSetter(Konva.Node,"embossStrength",.5,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"embossWhiteLevel",.5,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"embossDirection","top-left",null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"embossBlend",!1,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";function t(t,e,n,i,a){var r,o=n-e,s=a-i;return 0===o?i+s/2:0===s?i:(r=(t-e)/o,r=s*r+i)}Konva.Filters.Enhance=function(e){var n,i,a,r,o=e.data,s=o.length,h=o[0],c=h,l=o[1],d=l,u=o[2],f=u,v=this.enhance();if(0!==v){for(r=0;r<s;r+=4)(n=o[r+0])<h?h=n:n>c&&(c=n),(i=o[r+1])<l?l=i:i>d&&(d=i),(a=o[r+2])<u?u=a:a>f&&(f=a);c===h&&(c=255,h=0),d===l&&(d=255,l=0),f===u&&(f=255,u=0);var g,p,m,_,y,S,K,C,x;for(v>0?(p=c+v*(255-c),m=h-v*(h-0),y=d+v*(255-d),S=l-v*(l-0),C=f+v*(255-f),x=u-v*(u-0)):(p=c+v*(c-(g=.5*(c+h))),m=h+v*(h-g),y=d+v*(d-(_=.5*(d+l))),S=l+v*(l-_),C=f+v*(f-(K=.5*(f+u))),x=u+v*(u-K)),r=0;r<s;r+=4)o[r+0]=t(o[r+0],h,c,m,p),o[r+1]=t(o[r+1],l,d,S,y),o[r+2]=t(o[r+2],u,f,x,C)}},Konva.Factory.addGetterSetter(Konva.Node,"enhance",0,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.Posterize=function(t){var e,n=Math.round(254*this.levels())+1,i=t.data,a=i.length,r=255/n;for(e=0;e<a;e+=1)i[e]=Math.floor(i[e]/r)*r},Konva.Factory.addGetterSetter(Konva.Node,"levels",.5,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.Noise=function(t){var e,n=255*this.noise(),i=t.data,a=i.length,r=n/2;for(e=0;e<a;e+=4)i[e+0]+=r-2*r*Math.random(),i[e+1]+=r-2*r*Math.random(),i[e+2]+=r-2*r*Math.random()},Konva.Factory.addGetterSetter(Konva.Node,"noise",.2,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.Pixelate=function(t){var e,n,i,a,r,o,s,h,c,l,d,u,f,v,g=Math.ceil(this.pixelSize()),p=t.width,m=t.height,_=Math.ceil(p/g),y=Math.ceil(m/g);if(t=t.data,g<=0)Konva.Util.error("pixelSize value can not be <= 0");else for(u=0;u<_;u+=1)for(f=0;f<y;f+=1){for(a=0,r=0,o=0,s=0,c=(h=u*g)+g,d=(l=f*g)+g,v=0,e=h;e<c;e+=1)if(!(e>=p))for(n=l;n<d;n+=1)n>=m||(a+=t[(i=4*(p*n+e))+0],r+=t[i+1],o+=t[i+2],s+=t[i+3],v+=1);for(a/=v,r/=v,o/=v,e=h;e<c;e+=1)if(!(e>=p))for(n=l;n<d;n+=1)n>=m||(t[(i=4*(p*n+e))+0]=a,t[i+1]=r,t[i+2]=o,t[i+3]=s)}},Konva.Factory.addGetterSetter(Konva.Node,"pixelSize",8,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Filters.Threshold=function(t){var e,n=255*this.threshold(),i=t.data,a=i.length;for(e=0;e<a;e+=1)i[e]=i[e]<n?0:255},Konva.Factory.addGetterSetter(Konva.Node,"threshold",.5,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";/**
* Sepia Filter
* Based on: Pixastic Lib - Sepia filter - v0.1.0
* Copyright (c) 2008 Jacob Seidelin, [email protected], http://blog.nihilogic.dk/
* @function
* @name Sepia
* @memberof Konva.Filters
* @param {Object} imageData
* @author Jacob Seidelin <[email protected]>
* @license MPL v1.1 [http://www.pixastic.com/lib/license.txt]
* @example
* node.cache();
* node.filters([Konva.Filters.Sepia]);
*/
Konva.Filters.Sepia=function(t){var e,n,i,a,r,o,s,h,c,l=t.data,d=t.width,u=t.height,f=4*d;do{e=(u-1)*f,n=d;do{s=.393*(a=l[i=e+4*(n-1)])+.769*(r=l[i+1])+.189*(o=l[i+2]),h=.349*a+.686*r+.168*o,c=.272*a+.534*r+.131*o,l[i]=s>255?255:s,l[i+1]=h>255?255:h,l[i+2]=c>255?255:c,l[i+3]=l[i+3]}while(--n)}while(--u)}}(),function(){"use strict";Konva.Filters.Solarize=function(t){var e=t.data,n=t.width,i=4*n,a=t.height;do{var r=(a-1)*i,o=n;do{var s=r+4*(o-1),h=e[s],c=e[s+1],l=e[s+2];h>127&&(h=255-h),c>127&&(c=255-c),l>127&&(l=255-l),e[s]=h,e[s+1]=c,e[s+2]=l}while(--o)}while(--a)}}(),function(){"use strict";var t=function(t,e,n){var i,a,r,o,s=t.data,h=e.data,c=t.width,l=t.height,d=n.polarCenterX||c/2,u=n.polarCenterY||l/2,f=0,v=0,g=0,p=0,m=Math.sqrt(d*d+u*u);a=c-d,r=l-u,m=(o=Math.sqrt(a*a+r*r))>m?o:m;var _,y,S,K,C=l,x=c,w=360/x*Math.PI/180;for(y=0;y<x;y+=1)for(S=Math.sin(y*w),K=Math.cos(y*w),_=0;_<C;_+=1)a=Math.floor(d+m*_/C*K),f=s[(i=4*((r=Math.floor(u+m*_/C*S))*c+a))+0],v=s[i+1],g=s[i+2],p=s[i+3],h[(i=4*(y+_*c))+0]=f,h[i+1]=v,h[i+2]=g,h[i+3]=p},e=function(t,e,n){var i,a,r,o,s,h,c=t.data,l=e.data,d=t.width,u=t.height,f=n.polarCenterX||d/2,v=n.polarCenterY||u/2,g=0,p=0,m=0,_=0,y=Math.sqrt(f*f+v*v);a=d-f,r=u-v,y=(h=Math.sqrt(a*a+r*r))>y?h:y;var S,K,C,x=u,w=d,b=n.polarRotation||0;for(a=0;a<d;a+=1)for(r=0;r<u;r+=1)o=a-f,s=r-v,S=Math.sqrt(o*o+s*s)*x/y,K=(K=(180*Math.atan2(s,o)/Math.PI+360+b)%360)*w/360,C=Math.floor(K),g=c[(i=4*(Math.floor(S)*d+C))+0],p=c[i+1],m=c[i+2],_=c[i+3],l[(i=4*(r*d+a))+0]=g,l[i+1]=p,l[i+2]=m,l[i+3]=_};Konva.Filters.Kaleidoscope=function(n){var i,a,r,o,s,h,c,l,d,u=n.width,f=n.height,v=Math.round(this.kaleidoscopePower()),g=Math.round(this.kaleidoscopeAngle()),p=Math.floor(u*(g%360)/360);if(!(v<1)){var m=Konva.Util.createCanvasElement();m.width=u,m.height=f;var _=m.getContext("2d").getImageData(0,0,u,f);t(n,_,{polarCenterX:u/2,polarCenterY:f/2});for(var y=u/Math.pow(2,v);y<=8;)y*=2,v-=1;var S=y=Math.ceil(y),K=0,C=S,x=1;for(p+y>u&&(K=S,C=0,x=-1),a=0;a<f;a+=1)for(i=K;i!==C;i+=x)l=4*(u*a+Math.round(i+p)%u),o=_.data[l+0],s=_.data[l+1],h=_.data[l+2],c=_.data[l+3],d=4*(u*a+i),_.data[d+0]=o,_.data[d+1]=s,_.data[d+2]=h,_.data[d+3]=c;for(a=0;a<f;a+=1)for(S=Math.floor(y),r=0;r<v;r+=1){for(i=0;i<S+1;i+=1)l=4*(u*a+i),o=_.data[l+0],s=_.data[l+1],h=_.data[l+2],c=_.data[l+3],d=4*(u*a+2*S-i-1),_.data[d+0]=o,_.data[d+1]=s,_.data[d+2]=h,_.data[d+3]=c;S*=2}e(_,n,{polarRotation:0})}},Konva.Factory.addGetterSetter(Konva.Node,"kaleidoscopePower",2,null,Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"kaleidoscopeAngle",0,null,Konva.Factory.afterSetFilter)}(),function(){"use strict";Konva.Container=function(t){this.__init(t)},Konva.Util.addMethods(Konva.Container,{__init:function(t){this.children=new Konva.Collection,Konva.Node.call(this,t)},getChildren:function(t){if(!t)return this.children;var e=new Konva.Collection;return this.children.each(function(n){t(n)&&e.push(n)}),e},hasChildren:function(){return this.getChildren().length>0},removeChildren:function(){for(var t,e=Konva.Collection.toCollection(this.children),n=0;n<e.length;n++)delete(t=e[n]).parent,t.index=0,t.remove();return e=null,this.children=new Konva.Collection,this},destroyChildren:function(){for(var t,e=Konva.Collection.toCollection(this.children),n=0;n<e.length;n++)delete(t=e[n]).parent,t.index=0,t.destroy();return e=null,this.children=new Konva.Collection,this},add:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}if(t.getParent())return t.moveTo(this),this;var n=this.children;return this._validateAdd(t),t.index=n.length,t.parent=this,n.push(t),this._fire("add",{child:t}),Konva.DD&&t.isDragging()&&Konva.DD.anim.setLayers(t.getLayer()),this},destroy:function(){return this.hasChildren()&&this.destroyChildren(),Konva.Node.prototype.destroy.call(this),this},find:function(t){var e,n,i,a,r,o,s,h=[],c=t.replace(/ /g,"").split(","),l=c.length;for(e=0;e<l;e++)if(i=c[e],Konva.Util.isValidSelector(i)||(Konva.Util.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),Konva.Util.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),Konva.Util.warn("Konva is awesome, right?")),"#"===i.charAt(0))(r=this._getNodeById(i.slice(1)))&&h.push(r);else if("."===i.charAt(0))a=this._getNodesByName(i.slice(1)),h=h.concat(a);else for(s=(o=this.getChildren()).length,n=0;n<s;n++)h=h.concat(o[n]._get(i));return Konva.Collection.toCollection(h)},findOne:function(t){return this.find(t)[0]},_getNodeById:function(t){var e=Konva.ids[t];return void 0!==e&&this.isAncestorOf(e)?e:null},_getNodesByName:function(t){var e=Konva.names[t]||[];return this._getDescendants(e)},_get:function(t){for(var e=Konva.Node.prototype._get.call(this,t),n=this.getChildren(),i=n.length,a=0;a<i;a++)e=e.concat(n[a]._get(t));return e},toObject:function(){var t=Konva.Node.prototype.toObject.call(this);t.children=[];for(var e=this.getChildren(),n=e.length,i=0;i<n;i++){var a=e[i];t.children.push(a.toObject())}return t},_getDescendants:function(t){for(var e=[],n=t.length,i=0;i<n;i++){var a=t[i];this.isAncestorOf(a)&&e.push(a)}return e},isAncestorOf:function(t){for(var e=t.getParent();e;){if(e._id===this._id)return!0;e=e.getParent()}return!1},clone:function(t){var e=Konva.Node.prototype.clone.call(this,t);return this.getChildren().each(function(t){e.add(t.clone())}),e},getAllIntersections:function(t){var e=[];return this.find("Shape").each(function(n){n.isVisible()&&n.intersects(t)&&e.push(n)}),e},_setChildrenIndices:function(){this.children.each(function(t,e){t.index=e})},drawScene:function(t,e,n){var i=this.getLayer(),a=t||i&&i.getCanvas(),r=a&&a.getContext(),o=this._cache.canvas,s=o&&o.scene;return this.isVisible()&&(!n&&s?(r.save(),i._applyTransform(this,r,e),this._drawCachedSceneCanvas(r),r.restore()):this._drawChildren(a,"drawScene",e,!1,n)),this},drawHit:function(t,e,n){var i=this.getLayer(),a=t||i&&i.hitCanvas,r=a&&a.getContext(),o=this._cache.canvas,s=o&&o.hit;return this.shouldDrawHit(a)&&(i&&i.clearHitCache(),!n&&s?(r.save(),i._applyTransform(this,r,e),this._drawCachedHitCanvas(r),r.restore()):this._drawChildren(a,"drawHit",e)),this},_drawChildren:function(t,e,n,i,a){var r,o,s=this.getLayer(),h=t&&t.getContext(),c=this.getClipWidth(),l=this.getClipHeight(),d=this.getClipFunc(),u=c&&l||d;if(u&&s){h.save();var f=this.getAbsoluteTransform(n),v=f.getMatrix();h.transform(v[0],v[1],v[2],v[3],v[4],v[5]),h.beginPath(),d?d.call(this,h,this):(r=this.getClipX(),o=this.getClipY(),h.rect(r,o,c,l)),h.clip(),v=f.copy().invert().getMatrix(),h.transform(v[0],v[1],v[2],v[3],v[4],v[5])}this.children.each(function(r){r[e](t,n,i,a)}),u&&h.restore()},shouldDrawHit:function(t){var e=this.getLayer(),n=Konva.DD&&Konva.isDragging()&&-1!==Konva.DD.anim.getLayers().indexOf(e);return t&&t.isCache||e&&e.hitGraphEnabled()&&this.isVisible()&&!n},getClientRect:function(t){var e,n,i,a,r=(t=t||{}).skipTransform,o=t.relativeTo,s={x:0,y:0,width:0,height:0},h=this;return this.children.each(function(t){if(t.isVisible()){var r=t.getClientRect({relativeTo:h});void 0===e?(e=r.x,n=r.y,i=r.x+r.width,a=r.y+r.height):(e=Math.min(e,r.x),n=Math.min(n,r.y),i=Math.max(i,r.x+r.width),a=Math.max(a,r.y+r.height))}}),0!==this.children.length&&(s={x:e,y:n,width:i-e,height:a-n}),r?s:this._transformedRect(s,o)}}),Konva.Util.extend(Konva.Container,Konva.Node),Konva.Container.prototype.get=Konva.Container.prototype.find,Konva.Factory.addComponentsGetterSetter(Konva.Container,"clip",["x","y","width","height"]),Konva.Factory.addGetterSetter(Konva.Container,"clipX"),Konva.Factory.addGetterSetter(Konva.Container,"clipY"),Konva.Factory.addGetterSetter(Konva.Container,"clipWidth"),Konva.Factory.addGetterSetter(Konva.Container,"clipHeight"),Konva.Factory.addGetterSetter(Konva.Container,"clipFunc"),Konva.Collection.mapMethods(Konva.Container)}(),function(t){"use strict";function e(t){t.fill()}function n(t){t.stroke()}function i(t){t.fill()}function a(t){t.stroke()}function r(){this._clearCache(s)}function o(){this._clearCache(h)}var s="hasShadow",h="shadowRGBA";t.Shape=function(t){this.__init(t)},t.Util.addMethods(t.Shape,{__init:function(s){this.nodeType="Shape",this._fillFunc=e,this._strokeFunc=n,this._fillFuncHit=i,this._strokeFuncHit=a;for(var h,c=t.shapes;;)if((h=t.Util.getRandomColor())&&!(h in c))break;this.colorKey=h,c[h]=this,t.Node.call(this,s),this.on("shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",r),this.on("shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",o)},hasChildren:function(){return!1},getChildren:function(){return[]},getContext:function(){return this.getLayer().getContext()},getCanvas:function(){return this.getLayer().getCanvas()},hasShadow:function(){return this._getCache(s,this._hasShadow)},_hasShadow:function(){return this.getShadowEnabled()&&0!==this.getShadowOpacity()&&!!(this.getShadowColor()||this.getShadowBlur()||this.getShadowOffsetX()||this.getShadowOffsetY())},getShadowRGBA:function(){return this._getCache(h,this._getShadowRGBA)},_getShadowRGBA:function(){if(this.hasShadow()){var e=t.Util.colorToRGBA(this.shadowColor());return"rgba("+e.r+","+e.g+","+e.b+","+e.a*(this.getShadowOpacity()||1)+")"}},hasFill:function(){return!!(this.getFill()||this.getFillPatternImage()||this.getFillLinearGradientColorStops()||this.getFillRadialGradientColorStops())},hasStroke:function(){return this.strokeEnabled()&&!!this.stroke()},intersects:function(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e),e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]>0},destroy:function(){return t.Node.prototype.destroy.call(this),delete t.shapes[this.colorKey],this},_useBufferCanvas:function(t){return!t&&this.perfectDrawEnabled()&&1!==this.getAbsoluteOpacity()&&this.hasFill()&&this.hasStroke()&&this.getStage()||this.perfectDrawEnabled()&&this.hasShadow()&&1!==this.getAbsoluteOpacity()&&this.hasFill()&&this.hasStroke()&&this.getStage()},getSelfRect:function(){var t=this.getSize();return{x:this._centroid?Math.round(-t.width/2):0,y:this._centroid?Math.round(-t.height/2):0,width:t.width,height:t.height}},getClientRect:function(t){var e=(t=t||{}).skipTransform,n=t.relativeTo,i=this.getSelfRect(),a=this.hasStroke()&&this.strokeWidth()||0,r=i.width+a,o=i.height+a,s=this.hasShadow()?this.shadowOffsetX():0,h=this.hasShadow()?this.shadowOffsetY():0,c=r+Math.abs(s),l=o+Math.abs(h),d=this.hasShadow()&&this.shadowBlur()||0,u=c+2*d,f=l+2*d,v=0;Math.round(a/2)!==a/2&&(v=1);var g={width:u+v,height:f+v,x:-Math.round(a/2+d)+Math.min(s,0)+i.x,y:-Math.round(a/2+d)+Math.min(h,0)+i.y};return e?g:this._transformedRect(g,n)},drawScene:function(t,e,n,i){var a,r,o,s=this.getLayer(),h=t||s.getCanvas(),c=h.getContext(),l=this._cache.canvas,d=this.sceneFunc(),u=this.hasShadow(),f=this.hasStroke();if(!this.isVisible())return this;if(l)return c.save(),s._applyTransform(this,c,e),this._drawCachedSceneCanvas(c),c.restore(),this;if(!d)return this;if(c.save(),this._useBufferCanvas(n)&&!i){if(a=this.getStage(),r=a.bufferCanvas,(o=r.getContext()).clear(),o.save(),o._applyLineJoin(this),!n)if(s)s._applyTransform(this,o,e);else{var v=this.getAbsoluteTransform(e).getMatrix();c.transform(v[0],v[1],v[2],v[3],v[4],v[5])}d.call(this,o),o.restore();var g=r.pixelRatio;u&&!h.hitCanvas?(c.save(),c._applyShadow(this),c._applyOpacity(this),c._applyGlobalCompositeOperation(this),c.drawImage(r._canvas,0,0,r.width/g,r.height/g),c.restore()):(c._applyOpacity(this),c._applyGlobalCompositeOperation(this),c.drawImage(r._canvas,0,0,r.width/g,r.height/g))}else{if(c._applyLineJoin(this),!n)if(s)s._applyTransform(this,c,e);else{var p=this.getAbsoluteTransform(e).getMatrix();c.transform(p[0],p[1],p[2],p[3],p[4],p[5])}u&&f&&!h.hitCanvas?(c.save(),n||(c._applyOpacity(this),c._applyGlobalCompositeOperation(this)),c._applyShadow(this),d.call(this,c),c.restore(),this.hasFill()&&this.getShadowForStrokeEnabled()&&d.call(this,c)):u&&!h.hitCanvas?(c.save(),n||(c._applyOpacity(this),c._applyGlobalCompositeOperation(this)),c._applyShadow(this),d.call(this,c),c.restore()):(n||(c._applyOpacity(this),c._applyGlobalCompositeOperation(this)),d.call(this,c))}return c.restore(),this},drawHit:function(t,e,n){var i=this.getLayer(),a=t||i.hitCanvas,r=a.getContext(),o=this.hitFunc()||this.sceneFunc(),s=this._cache.canvas,h=s&&s.hit;if(!this.shouldDrawHit(a))return this;if(i&&i.clearHitCache(),h)return r.save(),i._applyTransform(this,r,e),this._drawCachedHitCanvas(r),r.restore(),this;if(!o)return this;if(r.save(),r._applyLineJoin(this),!n)if(i)i._applyTransform(this,r,e);else{var c=this.getAbsoluteTransform(e).getMatrix();r.transform(c[0],c[1],c[2],c[3],c[4],c[5])}return o.call(this,r),r.restore(),this},drawHitFromCache:function(e){var n,i,a,r,o,s=e||0,h=this._cache.canvas,c=this._getCachedSceneCanvas(),l=h.hit,d=l.getContext(),u=l.getWidth(),f=l.getHeight();d.clear(),d.drawImage(c._canvas,0,0,u,f);try{for(a=(i=(n=d.getImageData(0,0,u,f)).data).length,r=t.Util._hexToRgb(this.colorKey),o=0;o<a;o+=4)i[o+3]>s?(i[o]=r.r,i[o+1]=r.g,i[o+2]=r.b,i[o+3]=255):i[o+3]=0;d.putImageData(n,0,0)}catch(e){t.Util.error("Unable to draw hit graph from cached scene canvas. "+e.message)}return this}}),t.Util.extend(t.Shape,t.Node),t.Factory.addGetterSetter(t.Shape,"stroke"),t.Factory.addDeprecatedGetterSetter(t.Shape,"strokeRed",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"strokeGreen",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"strokeBlue",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"strokeAlpha",1,t.Validators.alphaComponent),t.Factory.addGetterSetter(t.Shape,"strokeWidth",2),t.Factory.addGetterSetter(t.Shape,"strokeHitEnabled",!0),t.Factory.addGetterSetter(t.Shape,"perfectDrawEnabled",!0),t.Factory.addGetterSetter(t.Shape,"shadowForStrokeEnabled",!0),t.Factory.addGetterSetter(t.Shape,"lineJoin"),t.Factory.addGetterSetter(t.Shape,"lineCap"),t.Factory.addGetterSetter(t.Shape,"sceneFunc"),t.Factory.addGetterSetter(t.Shape,"hitFunc"),t.Factory.addGetterSetter(t.Shape,"dash"),t.Factory.addGetterSetter(t.Shape,"dashOffset",0),t.Factory.addGetterSetter(t.Shape,"shadowColor"),t.Factory.addDeprecatedGetterSetter(t.Shape,"shadowRed",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"shadowGreen",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"shadowBlue",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"shadowAlpha",1,t.Validators.alphaComponent),t.Factory.addGetterSetter(t.Shape,"shadowBlur"),t.Factory.addGetterSetter(t.Shape,"shadowOpacity"),t.Factory.addComponentsGetterSetter(t.Shape,"shadowOffset",["x","y"]),t.Factory.addGetterSetter(t.Shape,"shadowOffsetX",0),t.Factory.addGetterSetter(t.Shape,"shadowOffsetY",0),t.Factory.addGetterSetter(t.Shape,"fillPatternImage"),t.Factory.addGetterSetter(t.Shape,"fill"),t.Factory.addDeprecatedGetterSetter(t.Shape,"fillRed",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"fillGreen",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"fillBlue",0,t.Validators.RGBComponent),t.Factory.addDeprecatedGetterSetter(t.Shape,"fillAlpha",1,t.Validators.alphaComponent),t.Factory.addGetterSetter(t.Shape,"fillPatternX",0),t.Factory.addGetterSetter(t.Shape,"fillPatternY",0),t.Factory.addGetterSetter(t.Shape,"fillLinearGradientColorStops"),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientStartRadius",0),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientEndRadius",0),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientColorStops"),t.Factory.addGetterSetter(t.Shape,"fillPatternRepeat","repeat"),t.Factory.addGetterSetter(t.Shape,"fillEnabled",!0),t.Factory.addGetterSetter(t.Shape,"strokeEnabled",!0),t.Factory.addGetterSetter(t.Shape,"shadowEnabled",!0),t.Factory.addGetterSetter(t.Shape,"dashEnabled",!0),t.Factory.addGetterSetter(t.Shape,"strokeScaleEnabled",!0),t.Factory.addGetterSetter(t.Shape,"fillPriority","color"),t.Factory.addComponentsGetterSetter(t.Shape,"fillPatternOffset",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillPatternOffsetX",0),t.Factory.addGetterSetter(t.Shape,"fillPatternOffsetY",0),t.Factory.addComponentsGetterSetter(t.Shape,"fillPatternScale",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillPatternScaleX",1),t.Factory.addGetterSetter(t.Shape,"fillPatternScaleY",1),t.Factory.addComponentsGetterSetter(t.Shape,"fillLinearGradientStartPoint",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillLinearGradientStartPointX",0),t.Factory.addGetterSetter(t.Shape,"fillLinearGradientStartPointY",0),t.Factory.addComponentsGetterSetter(t.Shape,"fillLinearGradientEndPoint",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillLinearGradientEndPointX",0),t.Factory.addGetterSetter(t.Shape,"fillLinearGradientEndPointY",0),t.Factory.addComponentsGetterSetter(t.Shape,"fillRadialGradientStartPoint",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientStartPointX",0),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientStartPointY",0),t.Factory.addComponentsGetterSetter(t.Shape,"fillRadialGradientEndPoint",["x","y"]),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientEndPointX",0),t.Factory.addGetterSetter(t.Shape,"fillRadialGradientEndPointY",0),t.Factory.addGetterSetter(t.Shape,"fillPatternRotation",0),t.Factory.backCompat(t.Shape,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"}),t.Collection.mapMethods(t.Shape)}(Konva),function(){"use strict";function t(t,n){t.content.addEventListener(n,function(i){t[e+n](i)},!1)}var e="_",n=["mousedown","mousemove","mouseup","mouseout","touchstart","touchmove","touchend","mouseover","wheel","contextmenu"],i=n.length;Konva.Stage=function(t){this.___init(t)},Konva.Util.addMethods(Konva.Stage,{___init:function(t){this.nodeType="Stage",Konva.Container.call(this,t),this._id=Konva.idCounter++,this._buildDOM(),this._bindContentEvents(),this._enableNestedTransforms=!1,Konva.stages.push(this)},_validateAdd:function(t){"Layer"!==t.getType()&&Konva.Util.throw("You may only add layers to the stage.")},setContainer:function(t){if("string"==typeof t){if("."===t.charAt(0)){var e=t.slice(1);t=Konva.document.getElementsByClassName(e)[0]}else{var n;n="#"!==t.charAt(0)?t:t.slice(1),t=Konva.document.getElementById(n)}if(!t)throw"Can not find container in document with id "+n}return this._setAttr("container",t),this},shouldDrawHit:function(){return!0},draw:function(){return Konva.Node.prototype.draw.call(this),this},setHeight:function(t){return Konva.Node.prototype.setHeight.call(this,t),this._resizeDOM(),this},setWidth:function(t){return Konva.Node.prototype.setWidth.call(this,t),this._resizeDOM(),this},clear:function(){var t,e=this.children,n=e.length;for(t=0;t<n;t++)e[t].clear();return this},clone:function(t){return t||(t={}),t.container=Konva.document.createElement("div"),Konva.Container.prototype.clone.call(this,t)},destroy:function(){var t=this.content;Konva.Container.prototype.destroy.call(this),t&&Konva.Util._isInDocument(t)&&this.getContainer().removeChild(t);var e=Konva.stages.indexOf(this);return e>-1&&Konva.stages.splice(e,1),this},getPointerPosition:function(){return this.pointerPos},getStage:function(){return this},getContent:function(){return this.content},toDataURL:function(t){var e=(t=t||{}).mimeType||null,n=t.quality||null,i=t.x||0,a=t.y||0,r=new Konva.SceneCanvas({width:t.width||this.getWidth(),height:t.height||this.getHeight(),pixelRatio:t.pixelRatio}),o=r.getContext()._context,s=this.children;(i||a)&&o.translate(-1*i,-1*a),s.each(function(t){var e=t.getCanvas().getWidth(),n=t.getCanvas().getHeight(),i=t.getCanvas().getPixelRatio();o.drawImage(t.getCanvas()._canvas,0,0,e/i,n/i)});var h=r.toDataURL(e,n);return t.callback&&t.callback(h),h},toImage:function(t){var e=t.callback;t.callback=function(t){Konva.Util._getImage(t,function(t){e(t)})},this.toDataURL(t)},getIntersection:function(t,e){var n,i,a=this.getChildren();for(n=a.length-1;n>=0;n--)if(i=a[n].getIntersection(t,e))return i;return null},_resizeDOM:function(){if(this.content){var t,e,n=this.getWidth(),i=this.getHeight(),a=this.getChildren(),r=a.length;for(this.content.style.width=n+"px",this.content.style.height=i+"px",this.bufferCanvas.setSize(n,i),this.bufferHitCanvas.setSize(n,i),t=0;t<r;t++)(e=a[t]).setSize(n,i),e.draw()}},add:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return Konva.Container.prototype.add.call(this,t),t._setCanvasSize(this.width(),this.height()),t.draw(),Konva.isBrowser&&this.content.appendChild(t.canvas._canvas),this},getParent:function(){return null},getLayer:function(){return null},getLayers:function(){return this.getChildren()},_bindContentEvents:function(){if(Konva.isBrowser)for(var e=0;e<i;e++)t(this,n[e])},_mouseover:function(t){Konva.UA.mobile||(this._setPointerPosition(t),this._fire("contentMouseover",{evt:t}))},_mouseout:function(t){if(!Konva.UA.mobile){this._setPointerPosition(t);var e=this.targetShape;e&&!Konva.isDragging()&&(e._fireAndBubble("mouseout",{evt:t}),e._fireAndBubble("mouseleave",{evt:t}),this.targetShape=null),this.pointerPos=void 0,this._fire("contentMouseout",{evt:t})}},_mousemove:function(t){if(Konva.UA.ieMobile)return this._touchmove(t);if((void 0!==t.movementX||void 0!==t.movementY)&&0===t.movementY&&0===t.movementX)return null;if(Konva.UA.mobile)return null;this._setPointerPosition(t);var e;Konva.isDragging()||((e=this.getIntersection(this.getPointerPosition()))&&e.isListening()?Konva.isDragging()||this.targetShape&&this.targetShape._id===e._id?e._fireAndBubble("mousemove",{evt:t}):(this.targetShape&&(this.targetShape._fireAndBubble("mouseout",{evt:t},e),this.targetShape._fireAndBubble("mouseleave",{evt:t},e)),e._fireAndBubble("mouseover",{evt:t},this.targetShape),e._fireAndBubble("mouseenter",{evt:t},this.targetShape),this.targetShape=e):this.targetShape&&!Konva.isDragging()&&(this.targetShape._fireAndBubble("mouseout",{evt:t}),this.targetShape._fireAndBubble("mouseleave",{evt:t}),this.targetShape=null),this._fire("contentMousemove",{evt:t})),t.preventDefault&&t.preventDefault()},_mousedown:function(t){if(Konva.UA.ieMobile)return this._touchstart(t);if(!Konva.UA.mobile){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());Konva.listenClickTap=!0,e&&e.isListening()&&(this.clickStartShape=e,e._fireAndBubble("mousedown",{evt:t})),this._fire("contentMousedown",{evt:t})}t.preventDefault&&t.preventDefault()},_mouseup:function(t){if(Konva.UA.ieMobile)return this._touchend(t);if(!Konva.UA.mobile){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition()),n=this.clickStartShape,i=this.clickEndShape,a=!1,r=Konva.DD;Konva.inDblClickWindow?(a=!0,Konva.inDblClickWindow=!1):r&&r.justDragged?r&&(r.justDragged=!1):Konva.inDblClickWindow=!0,setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()&&(this.clickEndShape=e,e._fireAndBubble("mouseup",{evt:t}),Konva.listenClickTap&&n&&n._id===e._id&&(e._fireAndBubble("click",{evt:t}),a&&i&&i._id===e._id&&e._fireAndBubble("dblclick",{evt:t}))),this._fire("contentMouseup",{evt:t}),Konva.listenClickTap&&(this._fire("contentClick",{evt:t}),a&&this._fire("contentDblclick",{evt:t})),Konva.listenClickTap=!1}t.preventDefault&&t.preventDefault()},_contextmenu:function(t){this._fire("contentContextmenu",{evt:t})},_touchstart:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());Konva.listenClickTap=!0,e&&e.isListening()&&(this.tapStartShape=e,e._fireAndBubble("touchstart",{evt:t}),e.isListening()&&e.preventDefault()&&t.preventDefault&&t.preventDefault()),this._fire("contentTouchstart",{evt:t})},_touchend:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition()),n=!1;Konva.inDblClickWindow?(n=!0,Konva.inDblClickWindow=!1):Konva.inDblClickWindow=!0,setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()&&(e._fireAndBubble("touchend",{evt:t}),Konva.listenClickTap&&this.tapStartShape&&e._id===this.tapStartShape._id&&(e._fireAndBubble("tap",{evt:t}),n&&e._fireAndBubble("dbltap",{evt:t})),e.isListening()&&e.preventDefault()&&t.preventDefault&&t.preventDefault()),this._fire("contentTouchend",{evt:t}),Konva.listenClickTap&&(this._fire("contentTap",{evt:t}),n&&this._fire("contentDbltap",{evt:t})),Konva.listenClickTap=!1},_touchmove:function(t){this._setPointerPosition(t);var e,n=Konva.DD;Konva.isDragging()||((e=this.getIntersection(this.getPointerPosition()))&&e.isListening()&&(e._fireAndBubble("touchmove",{evt:t}),e.isListening()&&e.preventDefault()&&t.preventDefault&&t.preventDefault()),this._fire("contentTouchmove",{evt:t})),n&&Konva.isDragging()&&Konva.DD.node.preventDefault()&&t.preventDefault()},_wheel:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()&&e._fireAndBubble("wheel",{evt:t}),this._fire("contentWheel",{evt:t})},_setPointerPosition:function(t){var e=this._getContentPosition(),n=null,i=null;if(void 0!==(t=t||window.event).touches){if(t.touches.length>0){var a=t.touches[0];n=a.clientX-e.left,i=a.clientY-e.top}}else n=t.clientX-e.left,i=t.clientY-e.top;null!==n&&null!==i&&(this.pointerPos={x:n,y:i})},_getContentPosition:function(){var t=this.content.getBoundingClientRect?this.content.getBoundingClientRect():{top:0,left:0};return{top:t.top,left:t.left}},_buildDOM:function(){if(this.bufferCanvas=new Konva.SceneCanvas,this.bufferHitCanvas=new Konva.HitCanvas({pixelRatio:1}),Konva.isBrowser){var t=this.getContainer();if(!t)throw"Stage has no container. A container is required.";t.innerHTML="",this.content=Konva.document.createElement("div"),this.content.style.position="relative",this.content.className="konvajs-content",this.content.setAttribute("role","presentation"),t.appendChild(this.content),this._resizeDOM()}},_onContent:function(t,e){var n,i,a=t.split(" "),r=a.length;for(n=0;n<r;n++)i=a[n],this.content.addEventListener(i,e,!1)},cache:function(){Konva.Util.warn("Cache function is not allowed for stage. You may use cache only for layers, groups and shapes.")},clearCache:function(){}}),Konva.Util.extend(Konva.Stage,Konva.Container),Konva.Factory.addGetter(Konva.Stage,"container"),Konva.Factory.addOverloadedGetterSetter(Konva.Stage,"container")}(),function(t){"use strict";t.BaseLayer=function(t){this.___init(t)},t.Util.addMethods(t.BaseLayer,{___init:function(e){this.nodeType="Layer",t.Container.call(this,e)},createPNGStream:function(){return this.canvas._canvas.createPNGStream()},getCanvas:function(){return this.canvas},getHitCanvas:function(){return this.hitCanvas},getContext:function(){return this.getCanvas().getContext()},clear:function(t){return this.getContext().clear(t),this},clearHitCache:function(){this._hitImageData=void 0},setZIndex:function(e){t.Node.prototype.setZIndex.call(this,e);var n=this.getStage();return n&&(n.content.removeChild(this.getCanvas()._canvas),e<n.getChildren().length-1?n.content.insertBefore(this.getCanvas()._canvas,n.getChildren()[e+1].getCanvas()._canvas):n.content.appendChild(this.getCanvas()._canvas)),this},moveToTop:function(){t.Node.prototype.moveToTop.call(this);var e=this.getStage();return e&&(e.content.removeChild(this.getCanvas()._canvas),e.content.appendChild(this.getCanvas()._canvas)),this},moveUp:function(){if(!t.Node.prototype.moveUp.call(this))return this;var e=this.getStage();return e?(e.content.removeChild(this.getCanvas()._canvas),this.index<e.getChildren().length-1?e.content.insertBefore(this.getCanvas()._canvas,e.getChildren()[this.index+1].getCanvas()._canvas):e.content.appendChild(this.getCanvas()._canvas),this):this},moveDown:function(){if(t.Node.prototype.moveDown.call(this)){var e=this.getStage();if(e){var n=e.getChildren();e.content.removeChild(this.getCanvas()._canvas),e.content.insertBefore(this.getCanvas()._canvas,n[this.index+1].getCanvas()._canvas)}}return this},moveToBottom:function(){if(t.Node.prototype.moveToBottom.call(this)){var e=this.getStage();if(e){var n=e.getChildren();e.content.removeChild(this.getCanvas()._canvas),e.content.insertBefore(this.getCanvas()._canvas,n[1].getCanvas()._canvas)}}return this},getLayer:function(){return this},remove:function(){var e=this.getCanvas()._canvas;return t.Node.prototype.remove.call(this),e&&e.parentNode&&t.Util._isInDocument(e)&&e.parentNode.removeChild(e),this},getStage:function(){return this.parent},setSize:function(t,e){return this.canvas.setSize(t,e),this},getWidth:function(){if(this.parent)return this.parent.getWidth()},setWidth:function(){t.Util.warn('Can not change width of layer. Use "stage.width(value)" function instead.')},getHeight:function(){if(this.parent)return this.parent.getHeight()},setHeight:function(){t.Util.warn('Can not change height of layer. Use "stage.height(value)" function instead.')},_applyTransform:function(t,e,n){var i=t.getAbsoluteTransform(n).getMatrix();e.transform(i[0],i[1],i[2],i[3],i[4],i[5])}}),t.Util.extend(t.BaseLayer,t.Container),t.Factory.addGetterSetter(t.BaseLayer,"clearBeforeDraw",!0),t.Collection.mapMethods(t.BaseLayer)}(Konva),function(){"use strict";var t=[{x:0,y:0},{x:-1,y:0},{x:-1,y:-1},{x:0,y:-1},{x:1,y:-1},{x:1,y:0},{x:1,y:1},{x:0,y:1},{x:-1,y:1}],e=t.length;Konva.Layer=function(t){this.____init(t)},Konva.Util.addMethods(Konva.Layer,{____init:function(t){this.nodeType="Layer",this.canvas=new Konva.SceneCanvas,this.hitCanvas=new Konva.HitCanvas({pixelRatio:1}),Konva.BaseLayer.call(this,t)},_setCanvasSize:function(t,e){this.canvas.setSize(t,e),this.hitCanvas.setSize(t,e)},_validateAdd:function(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&Konva.Util.throw("You may only add groups and shapes to a layer.")},getIntersection:function(n,i){var a,r,o,s;if(!this.hitGraphEnabled()||!this.isVisible())return null;for(var h=1,c=!1;;){for(r=0;r<e;r++){if(o=t[r],a=this._getIntersection({x:n.x+o.x*h,y:n.y+o.y*h}),(s=a.shape)&&i)return s.findAncestor(i,!0);if(s)return s;if(c=!!a.antialiased,!a.antialiased)break}if(!c)return null;h+=1}},_getImageData:function(t,e){var n=this.hitCanvas.width||1,i=this.hitCanvas.height||1,a=Math.round(e)*n+Math.round(t);return this._hitImageData||(this._hitImageData=this.hitCanvas.context.getImageData(0,0,n,i)),[this._hitImageData.data[4*a+0],this._hitImageData.data[4*a+1],this._hitImageData.data[4*a+2],this._hitImageData.data[4*a+3]]},_getIntersection:function(t){var e,n,i=this.hitCanvas.pixelRatio,a=this.hitCanvas.context.getImageData(Math.round(t.x*i),Math.round(t.y*i),1,1).data,r=a[3];return 255===r?(e=Konva.Util._rgbToHex(a[0],a[1],a[2]),(n=Konva.shapes["#"+e])?{shape:n}:{antialiased:!0}):r>0?{antialiased:!0}:{}},drawScene:function(t,e){var n=this.getLayer(),i=t||n&&n.getCanvas();return this._fire("beforeDraw",{node:this}),this.getClearBeforeDraw()&&i.getContext().clear(),Konva.Container.prototype.drawScene.call(this,i,e),this._fire("draw",{node:this}),this},drawHit:function(t,e){var n=this.getLayer(),i=t||n&&n.hitCanvas;return n&&n.getClearBeforeDraw()&&n.getHitCanvas().getContext().clear(),Konva.Container.prototype.drawHit.call(this,i,e),this.imageData=null,this},clear:function(t){return Konva.BaseLayer.prototype.clear.call(this,t),this.getHitCanvas().getContext().clear(t),this.imageData=null,this},setVisible:function(t){return Konva.Node.prototype.setVisible.call(this,t),t?(this.getCanvas()._canvas.style.display="block",this.hitCanvas._canvas.style.display="block"):(this.getCanvas()._canvas.style.display="none",this.hitCanvas._canvas.style.display="none"),this},enableHitGraph:function(){return this.setHitGraphEnabled(!0),this},disableHitGraph:function(){return this.setHitGraphEnabled(!1),this},setSize:function(t,e){return Konva.BaseLayer.prototype.setSize.call(this,t,e),this.hitCanvas.setSize(t,e),this}}),Konva.Util.extend(Konva.Layer,Konva.BaseLayer),Konva.Factory.addGetterSetter(Konva.Layer,"hitGraphEnabled",!0),Konva.Collection.mapMethods(Konva.Layer)}(),function(){"use strict";Konva.FastLayer=function(t){this.____init(t)},Konva.Util.addMethods(Konva.FastLayer,{____init:function(t){this.nodeType="Layer",this.canvas=new Konva.SceneCanvas,Konva.BaseLayer.call(this,t)},_validateAdd:function(t){"Shape"!==t.getType()&&Konva.Util.throw("You may only add shapes to a fast layer.")},_setCanvasSize:function(t,e){this.canvas.setSize(t,e)},hitGraphEnabled:function(){return!1},getIntersection:function(){return null},drawScene:function(t){var e=this.getLayer(),n=t||e&&e.getCanvas();return this.getClearBeforeDraw()&&n.getContext().clear(),Konva.Container.prototype.drawScene.call(this,n),this},draw:function(){return this.drawScene(),this},setVisible:function(t){return Konva.Node.prototype.setVisible.call(this,t),this.getCanvas()._canvas.style.display=t?"block":"none",this}}),Konva.Util.extend(Konva.FastLayer,Konva.BaseLayer),Konva.Collection.mapMethods(Konva.FastLayer)}(),function(){"use strict";Konva.Group=function(t){this.___init(t)},Konva.Util.addMethods(Konva.Group,{___init:function(t){this.nodeType="Group",Konva.Container.call(this,t)},_validateAdd:function(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&Konva.Util.throw("You may only add groups and shapes to groups.")}}),Konva.Util.extend(Konva.Group,Konva.Container),Konva.Collection.mapMethods(Konva.Group)}(),function(t){"use strict";function e(t){setTimeout(t,1e3/60)}function n(){return a.apply(t.global,arguments)}var i=t.global.performance&&t.global.performance.now?function(){return t.global.performance.now()}:function(){return(new Date).getTime()},a=t.global.requestAnimationFrame||t.global.webkitRequestAnimationFrame||t.global.mozRequestAnimationFrame||t.global.oRequestAnimationFrame||t.global.msRequestAnimationFrame||e;t.Animation=function(e,n){var a=t.Animation;this.func=e,this.setLayers(n),this.id=a.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:i()}},t.Animation.prototype={setLayers:function(t){var e=[];return e=t?t.length>0?t:[t]:[],this.layers=e,this},getLayers:function(){return this.layers},addLayer:function(t){var e,n=this.layers,i=n.length;for(e=0;e<i;e++)if(n[e]._id===t._id)return!1;return this.layers.push(t),!0},isRunning:function(){var e,n=t.Animation.animations,i=n.length;for(e=0;e<i;e++)if(n[e].id===this.id)return!0;return!1},start:function(){var e=t.Animation;return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=i(),e._addAnimation(this),this},stop:function(){return t.Animation._removeAnimation(this),this},_updateFrameObject:function(t){this.frame.timeDiff=t-this.frame.lastTime,this.frame.lastTime=t,this.frame.time+=this.frame.timeDiff,this.frame.frameRate=1e3/this.frame.timeDiff}},t.Animation.animations=[],t.Animation.animIdCounter=0,t.Animation.animRunning=!1,t.Animation._addAnimation=function(t){this.animations.push(t),this._handleAnimation()},t.Animation._removeAnimation=function(t){var e,n=t.id,i=this.animations,a=i.length;for(e=0;e<a;e++)if(i[e].id===n){this.animations.splice(e,1);break}},t.Animation._runFrames=function(){var t,e,n,a,r,o,s,h,c={},l=this.animations;for(a=0;a<l.length;a++)if(t=l[a],e=t.layers,n=t.func,t._updateFrameObject(i()),o=e.length,!n||!1!==n.call(t,t.frame))for(r=0;r<o;r++)void 0!==(s=e[r])._id&&(c[s._id]=s);for(h in c)c.hasOwnProperty(h)&&c[h].draw()},t.Animation._animationLoop=function(){var e=t.Animation;e.animations.length?(e._runFrames(),n(e._animationLoop)):e.animRunning=!1},t.Animation._handleAnimation=function(){this.animRunning||(this.animRunning=!0,n(this._animationLoop))},t.BaseLayer.prototype.batchDraw=function(){var e=this,n=t.Animation;return this.batchAnim||(this.batchAnim=new n(function(){e.batchAnim.stop()},this)),this.batchAnim.isRunning()||this.batchAnim.start(),this},t.Stage.prototype.batchDraw=function(){return this.getChildren().each(function(t){t.batchDraw()}),this}}(Konva),function(){"use strict";var t={node:1,duration:1,easing:1,onFinish:1,yoyo:1},e=0,n=["fill","stroke","shadowColor"],i=function(t,e,n,i,a,r,o){this.prop=t,this.propFunc=e,this.begin=i,this._pos=i,this.duration=r,this._change=0,this.prevPos=0,this.yoyo=o,this._time=0,this._position=0,this._startTime=0,this._finish=0,this.func=n,this._change=a-this.begin,this.pause()};i.prototype={fire:function(t){var e=this[t];e&&e()},setTime:function(t){t>this.duration?this.yoyo?(this._time=this.duration,this.reverse()):this.finish():t<0?this.yoyo?(this._time=0,this.play()):this.reset():(this._time=t,this.update())},getTime:function(){return this._time},setPosition:function(t){this.prevPos=this._pos,this.propFunc(t),this._pos=t},getPosition:function(t){return void 0===t&&(t=this._time),this.func(t,this.begin,this._change,this.duration)},play:function(){this.state=2,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onPlay")},reverse:function(){this.state=3,this._time=this.duration-this._time,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onReverse")},seek:function(t){this.pause(),this._time=t,this.update(),this.fire("onSeek")},reset:function(){this.pause(),this._time=0,this.update(),this.fire("onReset")},finish:function(){this.pause(),this._time=this.duration,this.update(),this.fire("onFinish")},update:function(){this.setPosition(this.getPosition(this._time))},onEnterFrame:function(){var t=this.getTimer()-this._startTime;2===this.state?this.setTime(t):3===this.state&&this.setTime(this.duration-t)},pause:function(){this.state=1,this.fire("onPause")},getTimer:function(){return(new Date).getTime()}},Konva.Tween=function(n){var a,r,o=this,s=n.node,h=s._id,c=n.easing||Konva.Easings.Linear,l=!!n.yoyo;a=void 0===n.duration?1:0===n.duration?.001:n.duration,this.node=s,this._id=e++;var d=s.getLayer()||(s instanceof Konva.Stage?s.getLayers():null);d||Konva.Util.error("Tween constructor have `node` that is not in a layer. Please add node into layer first."),this.anim=new Konva.Animation(function(){o.tween.onEnterFrame()},d),this.tween=new i(r,function(t){o._tweenFunc(t)},c,0,1,1e3*a,l),this._addListeners(),Konva.Tween.attrs[h]||(Konva.Tween.attrs[h]={}),Konva.Tween.attrs[h][this._id]||(Konva.Tween.attrs[h][this._id]={}),Konva.Tween.tweens[h]||(Konva.Tween.tweens[h]={});for(r in n)void 0===t[r]&&this._addAttr(r,n[r]);this.reset(),this.onFinish=n.onFinish,this.onReset=n.onReset},Konva.Tween.attrs={},Konva.Tween.tweens={},Konva.Tween.prototype={_addAttr:function(t,e){var i,a,r,o,s,h,c,l=this.node,d=l._id;if((r=Konva.Tween.tweens[d][t])&&delete Konva.Tween.attrs[d][r][t],i=l.getAttr(t),Konva.Util._isArray(e))for(a=[],s=Math.max(e.length,i.length),"points"===t&&e.length!==i.length&&(e.length>i.length?(c=i,i=Konva.Util._prepareArrayForTween(i,e,l.closed())):(h=e,e=Konva.Util._prepareArrayForTween(e,i,l.closed()))),o=0;o<s;o++)a.push(e[o]-i[o]);else if(-1!==n.indexOf(t)){i=Konva.Util.colorToRGBA(i);var u=Konva.Util.colorToRGBA(e);a={r:u.r-i.r,g:u.g-i.g,b:u.b-i.b,a:u.a-i.a}}else a=e-i;Konva.Tween.attrs[d][this._id][t]={start:i,diff:a,end:e,trueEnd:h,trueStart:c},Konva.Tween.tweens[d][t]=this._id},_tweenFunc:function(t){var e,i,a,r,o,s,h,c,l=this.node,d=Konva.Tween.attrs[l._id][this._id];for(e in d){if(i=d[e],a=i.start,r=i.diff,c=i.end,Konva.Util._isArray(a))for(o=[],h=Math.max(a.length,c.length),s=0;s<h;s++)o.push((a[s]||0)+r[s]*t);else o=-1!==n.indexOf(e)?"rgba("+Math.round(a.r+r.r*t)+","+Math.round(a.g+r.g*t)+","+Math.round(a.b+r.b*t)+","+(a.a+r.a*t)+")":a+r*t;l.setAttr(e,o)}},_addListeners:function(){var t=this;this.tween.onPlay=function(){t.anim.start()},this.tween.onReverse=function(){t.anim.start()},this.tween.onPause=function(){t.anim.stop()},this.tween.onFinish=function(){var e=t.node,n=Konva.Tween.attrs[e._id][t._id];n.points&&n.points.trueEnd&&e.points(n.points.trueEnd),t.onFinish&&t.onFinish.call(t)},this.tween.onReset=function(){var e=t.node,n=Konva.Tween.attrs[e._id][t._id];n.points&&n.points.trueStart&&e.points(n.points.trueStart),t.onReset&&t.onReset()}},play:function(){return this.tween.play(),this},reverse:function(){return this.tween.reverse(),this},reset:function(){return this.tween.reset(),this},seek:function(t){return this.tween.seek(1e3*t),this},pause:function(){return this.tween.pause(),this},finish:function(){return this.tween.finish(),this},destroy:function(){var t,e=this.node._id,n=this._id,i=Konva.Tween.tweens[e];this.pause();for(t in i)delete Konva.Tween.tweens[e][t];delete Konva.Tween.attrs[e][n]}},Konva.Node.prototype.to=function(t){var e=t.onFinish;t.node=this,t.onFinish=function(){this.destroy(),e&&e()},new Konva.Tween(t).play()},Konva.Easings={BackEaseIn:function(t,e,n,i){var a=1.70158;return n*(t/=i)*t*((a+1)*t-a)+e},BackEaseOut:function(t,e,n,i){var a=1.70158;return n*((t=t/i-1)*t*((a+1)*t+a)+1)+e},BackEaseInOut:function(t,e,n,i){var a=1.70158;return(t/=i/2)<1?n/2*(t*t*((1+(a*=1.525))*t-a))+e:n/2*((t-=2)*t*((1+(a*=1.525))*t+a)+2)+e},ElasticEaseIn:function(t,e,n,i,a,r){var o=0;return 0===t?e:1==(t/=i)?e+n:(r||(r=.3*i),!a||a<Math.abs(n)?(a=n,o=r/4):o=r/(2*Math.PI)*Math.asin(n/a),-a*Math.pow(2,10*(t-=1))*Math.sin((t*i-o)*(2*Math.PI)/r)+e)},ElasticEaseOut:function(t,e,n,i,a,r){var o=0;return 0===t?e:1==(t/=i)?e+n:(r||(r=.3*i),!a||a<Math.abs(n)?(a=n,o=r/4):o=r/(2*Math.PI)*Math.asin(n/a),a*Math.pow(2,-10*t)*Math.sin((t*i-o)*(2*Math.PI)/r)+n+e)},ElasticEaseInOut:function(t,e,n,i,a,r){var o=0;return 0===t?e:2==(t/=i/2)?e+n:(r||(r=i*(.3*1.5)),!a||a<Math.abs(n)?(a=n,o=r/4):o=r/(2*Math.PI)*Math.asin(n/a),t<1?a*Math.pow(2,10*(t-=1))*Math.sin((t*i-o)*(2*Math.PI)/r)*-.5+e:a*Math.pow(2,-10*(t-=1))*Math.sin((t*i-o)*(2*Math.PI)/r)*.5+n+e)},BounceEaseOut:function(t,e,n,i){return(t/=i)<1/2.75?n*(7.5625*t*t)+e:t<2/2.75?n*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?n*(7.5625*(t-=2.25/2.75)*t+.9375)+e:n*(7.5625*(t-=2.625/2.75)*t+.984375)+e},BounceEaseIn:function(t,e,n,i){return n-Konva.Easings.BounceEaseOut(i-t,0,n,i)+e},BounceEaseInOut:function(t,e,n,i){return t<i/2?.5*Konva.Easings.BounceEaseIn(2*t,0,n,i)+e:.5*Konva.Easings.BounceEaseOut(2*t-i,0,n,i)+.5*n+e},EaseIn:function(t,e,n,i){return n*(t/=i)*t+e},EaseOut:function(t,e,n,i){return-n*(t/=i)*(t-2)+e},EaseInOut:function(t,e,n,i){return(t/=i/2)<1?n/2*t*t+e:-n/2*(--t*(t-2)-1)+e},StrongEaseIn:function(t,e,n,i){return n*(t/=i)*t*t*t*t+e},StrongEaseOut:function(t,e,n,i){return n*((t=t/i-1)*t*t*t*t+1)+e},StrongEaseInOut:function(t,e,n,i){return(t/=i/2)<1?n/2*t*t*t*t*t+e:n/2*((t-=2)*t*t*t*t+2)+e},Linear:function(t,e,n,i){return n*t/i+e}}}(),function(){"use strict";Konva.DD={anim:new Konva.Animation(function(){var t=this.dirty;return this.dirty=!1,t}),isDragging:!1,justDragged:!1,offset:{x:0,y:0},node:null,_drag:function(t){var e=Konva.DD,n=e.node;if(n){if(!e.isDragging){var i=n.getStage().getPointerPosition();i||(n.getStage()._setPointerPosition(t),i=n.getStage().getPointerPosition());var a=n.dragDistance();if(Math.max(Math.abs(i.x-e.startPointerPos.x),Math.abs(i.y-e.startPointerPos.y))<a)return}n.getStage()._setPointerPosition(t),n._setDragPosition(t),e.isDragging||(e.isDragging=!0,n.fire("dragstart",{type:"dragstart",target:n,evt:t},!0)),n.fire("dragmove",{type:"dragmove",target:n,evt:t},!0)}},_endDragBefore:function(t){var e,n=Konva.DD,i=n.node;i&&(e=i.getLayer(),n.anim.stop(),n.isDragging&&(n.isDragging=!1,n.justDragged=!0,Konva.listenClickTap=!1,t&&(t.dragEndNode=i)),delete n.node,(i.getLayer()||e||i instanceof Konva.Stage)&&(e||i).draw())},_endDragAfter:function(t){var e=(t=t||{}).dragEndNode;t&&e&&e.fire("dragend",{type:"dragend",target:e,evt:t},!0)}},Konva.Node.prototype.startDrag=function(){var t=Konva.DD,e=this.getStage(),n=this.getLayer(),i=e.getPointerPosition(),a=this.getAbsolutePosition();i&&(t.node&&t.node.stopDrag(),t.node=this,t.startPointerPos=i,t.offset.x=i.x-a.x,t.offset.y=i.y-a.y,t.anim.setLayers(n||this.getLayers()),t.anim.start(),this._setDragPosition())},Konva.Node.prototype._setDragPosition=function(t){var e=Konva.DD,n=this.getStage().getPointerPosition(),i=this.getDragBoundFunc();if(n){var a={x:n.x-e.offset.x,y:n.y-e.offset.y};void 0!==i&&(a=i.call(this,a,t)),this.setAbsolutePosition(a),this._lastPos&&this._lastPos.x===a.x&&this._lastPos.y===a.y||(e.anim.dirty=!0),this._lastPos=a}},Konva.Node.prototype.stopDrag=function(){var t=Konva.DD,e={};t._endDragBefore(e),t._endDragAfter(e)},Konva.Node.prototype.setDraggable=function(t){this._setAttr("draggable",t),this._dragChange()};var t=Konva.Node.prototype.remove;if(Konva.Node.prototype.__originalRemove=t,Konva.Node.prototype.remove=function(){var e=Konva.DD;e.node&&e.node._id===this._id&&this.stopDrag(),t.call(this)},Konva.Node.prototype.isDragging=function(){var t=Konva.DD;return!(!t.node||t.node._id!==this._id||!t.isDragging)},Konva.Node.prototype._listenDrag=function(){var t=this;this._dragCleanup(),"Stage"===this.getClassName()?this.on("contentMousedown.konva contentTouchstart.konva",function(e){Konva.DD.node||t.startDrag(e)}):this.on("mousedown.konva touchstart.konva",function(e){1!==e.evt.button&&2!==e.evt.button&&(Konva.DD.node||t.startDrag(e))})},Konva.Node.prototype._dragChange=function(){if(this.attrs.draggable)this._listenDrag();else{this._dragCleanup();var t=this.getStage(),e=Konva.DD;t&&e.node&&e.node._id===this._id&&e.node.stopDrag()}},Konva.Node.prototype._dragCleanup=function(){"Stage"===this.getClassName()?(this.off("contentMousedown.konva"),this.off("contentTouchstart.konva")):(this.off("mousedown.konva"),this.off("touchstart.konva"))},Konva.Factory.addGetterSetter(Konva.Node,"dragBoundFunc"),Konva.Factory.addGetter(Konva.Node,"draggable",!1),Konva.Factory.addOverloadedGetterSetter(Konva.Node,"draggable"),Konva.isBrowser){var e=Konva.document.documentElement;e.addEventListener("mouseup",Konva.DD._endDragBefore,!0),e.addEventListener("touchend",Konva.DD._endDragBefore,!0),e.addEventListener("mousemove",Konva.DD._drag),e.addEventListener("touchmove",Konva.DD._drag),e.addEventListener("mouseup",Konva.DD._endDragAfter,!1),e.addEventListener("touchend",Konva.DD._endDragAfter,!1)}}(),function(){"use strict";Konva.Rect=function(t){this.___init(t)},Konva.Rect.prototype={___init:function(t){Konva.Shape.call(this,t),this.className="Rect",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=this.getCornerRadius(),n=this.getWidth(),i=this.getHeight();t.beginPath(),e?(e=Math.min(e,n/2,i/2),t.moveTo(e,0),t.lineTo(n-e,0),t.arc(n-e,e,e,3*Math.PI/2,0,!1),t.lineTo(n,i-e),t.arc(n-e,i-e,e,0,Math.PI/2,!1),t.lineTo(e,i),t.arc(e,i-e,e,Math.PI/2,Math.PI,!1),t.lineTo(0,e),t.arc(e,e,e,Math.PI,3*Math.PI/2,!1)):t.rect(0,0,n,i),t.closePath(),t.fillStrokeShape(this)}},Konva.Util.extend(Konva.Rect,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Rect,"cornerRadius",0),Konva.Collection.mapMethods(Konva.Rect)}(),function(t){"use strict";var e=2*Math.PI-1e-4;t.Circle=function(t){this.___init(t)},t.Circle.prototype={_centroid:!0,___init:function(e){t.Shape.call(this,e),this.className="Circle",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){t.beginPath(),t.arc(0,0,this.getRadius(),0,e,!1),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadius()},getHeight:function(){return 2*this.getRadius()},setWidth:function(e){t.Node.prototype.setWidth.call(this,e),this.radius()!==e/2&&this.setRadius(e/2)},setHeight:function(e){t.Node.prototype.setHeight.call(this,e),this.radius()!==e/2&&this.setRadius(e/2)}},t.Util.extend(t.Circle,t.Shape),t.Factory.addGetterSetter(t.Circle,"radius",0),t.Factory.addOverloadedGetterSetter(t.Circle,"radius"),t.Collection.mapMethods(t.Circle)}(Konva),function(){"use strict";var t=2*Math.PI-1e-4;Konva.Ellipse=function(t){this.___init(t)},Konva.Ellipse.prototype={_centroid:!0,___init:function(t){Konva.Shape.call(this,t),this.className="Ellipse",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(e){var n=this.getRadiusX(),i=this.getRadiusY();e.beginPath(),e.save(),n!==i&&e.scale(1,i/n),e.arc(0,0,n,0,t,!1),e.restore(),e.closePath(),e.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadiusX()},getHeight:function(){return 2*this.getRadiusY()},setWidth:function(t){Konva.Node.prototype.setWidth.call(this,t),this.setRadius({x:t/2})},setHeight:function(t){Konva.Node.prototype.setHeight.call(this,t),this.setRadius({y:t/2})}},Konva.Util.extend(Konva.Ellipse,Konva.Shape),Konva.Factory.addComponentsGetterSetter(Konva.Ellipse,"radius",["x","y"]),Konva.Factory.addGetterSetter(Konva.Ellipse,"radiusX",0),Konva.Factory.addGetterSetter(Konva.Ellipse,"radiusY",0),Konva.Collection.mapMethods(Konva.Ellipse)}(),function(){"use strict";var t=2*Math.PI-1e-4;Konva.Ring=function(t){this.___init(t)},Konva.Ring.prototype={_centroid:!0,___init:function(t){Konva.Shape.call(this,t),this.className="Ring",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(e){e.beginPath(),e.arc(0,0,this.getInnerRadius(),0,t,!1),e.moveTo(this.getOuterRadius(),0),e.arc(0,0,this.getOuterRadius(),t,0,!0),e.closePath(),e.fillStrokeShape(this)},getWidth:function(){return 2*this.getOuterRadius()},getHeight:function(){return 2*this.getOuterRadius()},setWidth:function(t){Konva.Node.prototype.setWidth.call(this,t),this.outerRadius()!==t/2&&this.setOuterRadius(t/2)},setHeight:function(t){Konva.Node.prototype.setHeight.call(this,t),this.outerRadius()!==t/2&&this.setOuterRadius(t/2)},setOuterRadius:function(t){this._setAttr("outerRadius",t),this.setWidth(2*t),this.setHeight(2*t)}},Konva.Util.extend(Konva.Ring,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Ring,"innerRadius",0),Konva.Factory.addGetter(Konva.Ring,"outerRadius",0),Konva.Factory.addOverloadedGetterSetter(Konva.Ring,"outerRadius"),Konva.Collection.mapMethods(Konva.Ring)}(),function(){"use strict";Konva.Wedge=function(t){this.___init(t)},Konva.Wedge.prototype={_centroid:!0,___init:function(t){Konva.Shape.call(this,t),this.className="Wedge",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){t.beginPath(),t.arc(0,0,this.getRadius(),0,Konva.getAngle(this.getAngle()),this.getClockwise()),t.lineTo(0,0),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadius()},getHeight:function(){return 2*this.getRadius()},setWidth:function(t){Konva.Node.prototype.setWidth.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)},setHeight:function(t){Konva.Node.prototype.setHeight.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)}},Konva.Util.extend(Konva.Wedge,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Wedge,"radius",0),Konva.Factory.addGetterSetter(Konva.Wedge,"angle",0),Konva.Factory.addGetterSetter(Konva.Wedge,"clockwise",!1),Konva.Factory.backCompat(Konva.Wedge,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"}),Konva.Collection.mapMethods(Konva.Wedge)}(),function(t){"use strict";t.Arc=function(t){this.___init(t)},t.Arc.prototype={_centroid:!0,___init:function(e){t.Shape.call(this,e),this.className="Arc",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(e){var n=t.getAngle(this.angle()),i=this.clockwise();e.beginPath(),e.arc(0,0,this.getOuterRadius(),0,n,i),e.arc(0,0,this.getInnerRadius(),n,0,!i),e.closePath(),e.fillStrokeShape(this)},getWidth:function(){return 2*this.getOuterRadius()},getHeight:function(){return 2*this.getOuterRadius()},setWidth:function(e){t.Node.prototype.setWidth.call(this,e),this.getOuterRadius()!==e/2&&this.setOuterRadius(e/2)},setHeight:function(e){t.Node.prototype.setHeight.call(this,e),this.getOuterRadius()!==e/2&&this.setOuterRadius(e/2)}},t.Util.extend(t.Arc,t.Shape),t.Factory.addGetterSetter(t.Arc,"innerRadius",0),t.Factory.addGetterSetter(t.Arc,"outerRadius",0),t.Factory.addGetterSetter(t.Arc,"angle",0),t.Factory.addGetterSetter(t.Arc,"clockwise",!1),t.Collection.mapMethods(t.Arc)}(Konva),function(){"use strict";Konva.Image=function(t){this.___init(t)},Konva.Image.prototype={___init:function(t){Konva.Shape.call(this,t),this.className="Image",this.sceneFunc(this._sceneFunc),this.hitFunc(this._hitFunc)},_useBufferCanvas:function(){return(this.hasShadow()||1!==this.getAbsoluteOpacity())&&this.hasStroke()&&this.getStage()},_sceneFunc:function(t){var e,n,i,a=this.getWidth(),r=this.getHeight(),o=this.getImage();o&&(e=this.getCropWidth(),n=this.getCropHeight(),i=e&&n?[o,this.getCropX(),this.getCropY(),e,n,0,0,a,r]:[o,0,0,a,r]),(this.hasFill()||this.hasStroke())&&(t.beginPath(),t.rect(0,0,a,r),t.closePath(),t.fillStrokeShape(this)),o&&t.drawImage.apply(t,i)},_hitFunc:function(t){var e=this.getWidth(),n=this.getHeight();t.beginPath(),t.rect(0,0,e,n),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){var t=this.getImage();return this.attrs.width||(t?t.width:0)},getHeight:function(){var t=this.getImage();return this.attrs.height||(t?t.height:0)}},Konva.Util.extend(Konva.Image,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Image,"image"),Konva.Factory.addComponentsGetterSetter(Konva.Image,"crop",["x","y","width","height"]),Konva.Factory.addGetterSetter(Konva.Image,"cropX",0),Konva.Factory.addGetterSetter(Konva.Image,"cropY",0),Konva.Factory.addGetterSetter(Konva.Image,"cropWidth",0),Konva.Factory.addGetterSetter(Konva.Image,"cropHeight",0),Konva.Collection.mapMethods(Konva.Image),Konva.Image.fromURL=function(t,e){var n=new Image;n.onload=function(){var t=new Konva.Image({image:n});e(t)},n.src=t}}(),function(){"use strict";function t(){return i||(i=Konva.Util.createCanvasElement().getContext(a))}function e(t){t.fillText(this.partialText,0,0)}function n(t){t.strokeText(this.partialText,0,0)}var i,a="2d",r=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","lineHeight","text","width","height","wrap","letterSpacing"],o=r.length;Konva.Text=function(t){this.___init(t)},Konva.Text.prototype={___init:function(t){(t=t||{}).fillLinearGradientColorStops||t.fillRadialGradientColorStops||(t.fill=t.fill||"black"),Konva.Shape.call(this,t),this._fillFunc=e,this._strokeFunc=n,this.className="Text";for(var i=0;i<o;i++)this.on(r[i]+"Change.konva",this._setTextData);this._setTextData(),this.sceneFunc(this._sceneFunc),this.hitFunc(this._hitFunc)},_sceneFunc:function(t){var e,n=this.getPadding(),i=this.getTextHeight(),a=this.getLineHeight()*i,r=this.textArr,o=r.length,s=this.getAlign(),h=this.getWidth(),c=this.getLetterSpacing(),l=this.textDecoration(),d=this.fill(),u=this.fontSize();for(t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline","middle"),t.setAttr("textAlign","left"),t.save(),n?(t.translate(n,0),t.translate(0,n+i/2)):t.translate(0,i/2),e=0;e<o;e++){var f=r[e],v=f.text,g=f.width;if(t.save(),"right"===s?t.translate(h-g-2*n,0):"center"===s&&t.translate((h-g-2*n)/2,0),-1!==l.indexOf("underline")&&(t.save(),t.beginPath(),t.moveTo(0,Math.round(a/2)),t.lineTo(Math.round(g),Math.round(a/2)),t.lineWidth=u/15,t.strokeStyle=d,t.stroke(),t.restore()),-1!==l.indexOf("line-through")&&(t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(Math.round(g),0),t.lineWidth=u/15,t.strokeStyle=d,t.stroke(),t.restore()),0!==c||"justify"===s)for(var p=v.split(" ").length-1,m=0;m<v.length;m++){var _=v[m];" "===_&&e!==o-1&&"justify"===s&&t.translate(Math.floor((h-g)/p),0),this.partialText=_,t.fillStrokeShape(this),t.translate(Math.round(this._getTextSize(_).width)+c,0)}else this.partialText=v,t.fillStrokeShape(this);t.restore(),t.translate(0,a)}t.restore()},_hitFunc:function(t){var e=this.getWidth(),n=this.getHeight();t.beginPath(),t.rect(0,0,e,n),t.closePath(),t.fillStrokeShape(this)},setText:function(t){var e=Konva.Util._isString(t)?t:(t||"").toString();return this._setAttr("text",e),this},getWidth:function(){return"auto"===this.attrs.width||void 0===this.attrs.width?this.getTextWidth()+2*this.getPadding():this.attrs.width},getHeight:function(){return"auto"===this.attrs.height||void 0===this.attrs.height?this.getTextHeight()*this.textArr.length*this.getLineHeight()+2*this.getPadding():this.attrs.height},getTextWidth:function(){return this.textWidth},getTextHeight:function(){return this.textHeight},_getTextSize:function(e){var n,i=t(),a=this.getFontSize();return i.save(),i.font=this._getContextFont(),n=i.measureText(e),i.restore(),{width:n.width,height:parseInt(a,10)}},_getContextFont:function(){return Konva.UA.isIE?this.getFontStyle()+" "+this.getFontSize()+"px "+this.getFontFamily():this.getFontStyle()+" "+this.getFontVariant()+" "+this.getFontSize()+"px "+this.getFontFamily()},_addTextLine:function(t){"justify"===this.align()&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})},_getTextWidth:function(e){var n=this.getLetterSpacing(),i=e.length;return t().measureText(e).width+(i?n*(i-1):0)},_setTextData:function(){var e=this.getText().split("\n"),n=+this.getFontSize(),i=0,a=this.getLineHeight()*n,r=this.attrs.width,o=this.attrs.height,s="auto"!==r,h="auto"!==o,c=this.getPadding(),l=r-2*c,d=o-2*c,u=0,f=this.getWrap(),v="none"!==f,g="char"!==f&&v;this.textArr=[],t().save(),t().font=this._getContextFont();for(var p=0,m=e.length;p<m;++p){var _=e[p],y=this._getTextWidth(_);if(s&&y>l)for(;_.length>0;){for(var S=0,K=_.length,C="",x=0;S<K;){var w=S+K>>>1,b=_.slice(0,w+1),F=this._getTextWidth(b);F<=l?(S=w+1,C=b,x=F):K=w}if(!C)break;if(g){var T=Math.max(C.lastIndexOf(" "),C.lastIndexOf("-"))+1;T>0&&(S=T,C=C.slice(0,S),x=this._getTextWidth(C))}if(this._addTextLine(C),i=Math.max(i,x),u+=a,!v||h&&u+a>d)break;if((_=_.slice(S)).length>0&&(y=this._getTextWidth(_))<=l){this._addTextLine(_),u+=a,i=Math.max(i,y);break}}else this._addTextLine(_),u+=a,i=Math.max(i,y);if(h&&u+a>d)break}t().restore(),this.textHeight=n,this.textWidth=i}},Konva.Util.extend(Konva.Text,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Text,"fontFamily","Arial"),Konva.Factory.addGetterSetter(Konva.Text,"fontSize",12),Konva.Factory.addGetterSetter(Konva.Text,"fontStyle","normal"),Konva.Factory.addGetterSetter(Konva.Text,"fontVariant","normal"),Konva.Factory.addGetterSetter(Konva.Text,"padding",0),Konva.Factory.addGetterSetter(Konva.Text,"align","left"),Konva.Factory.addGetterSetter(Konva.Text,"lineHeight",1),Konva.Factory.addGetterSetter(Konva.Text,"wrap","word"),Konva.Factory.addGetterSetter(Konva.Text,"letterSpacing",0),Konva.Factory.addGetter(Konva.Text,"text",""),Konva.Factory.addOverloadedGetterSetter(Konva.Text,"text"),Konva.Factory.addGetterSetter(Konva.Text,"textDecoration",""),Konva.Collection.mapMethods(Konva.Text)}(),function(){"use strict";Konva.Line=function(t){this.___init(t)},Konva.Line.prototype={___init:function(t){Konva.Shape.call(this,t),this.className="Line",this.on("pointsChange.konva tensionChange.konva closedChange.konva bezierChange.konva",function(){this._clearCache("tensionPoints")}),this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e,n,i,a=this.getPoints(),r=a.length,o=this.getTension(),s=this.getClosed(),h=this.getBezier();if(r){if(t.beginPath(),t.moveTo(a[0],a[1]),0!==o&&r>4){for(n=(e=this.getTensionPoints()).length,i=s?0:4,s||t.quadraticCurveTo(e[0],e[1],e[2],e[3]);i<n-2;)t.bezierCurveTo(e[i++],e[i++],e[i++],e[i++],e[i++],e[i++]);s||t.quadraticCurveTo(e[n-2],e[n-1],a[r-2],a[r-1])}else if(h)for(i=2;i<r;)t.bezierCurveTo(a[i++],a[i++],a[i++],a[i++],a[i++],a[i++]);else for(i=2;i<r;i+=2)t.lineTo(a[i],a[i+1]);s?(t.closePath(),t.fillStrokeShape(this)):t.strokeShape(this)}},getTensionPoints:function(){return this._getCache("tensionPoints",this._getTensionPoints)},_getTensionPoints:function(){return this.getClosed()?this._getTensionPointsClosed():Konva.Util._expandPoints(this.getPoints(),this.getTension())},_getTensionPointsClosed:function(){var t=this.getPoints(),e=t.length,n=this.getTension(),i=Konva.Util,a=i._getControlPoints(t[e-2],t[e-1],t[0],t[1],t[2],t[3],n),r=i._getControlPoints(t[e-4],t[e-3],t[e-2],t[e-1],t[0],t[1],n),o=Konva.Util._expandPoints(t,n);return[a[2],a[3]].concat(o).concat([r[0],r[1],t[e-2],t[e-1],r[2],r[3],a[0],a[1],t[0],t[1]])},getWidth:function(){return this.getSelfRect().width},getHeight:function(){return this.getSelfRect().height},getSelfRect:function(){for(var t,e,n,i=(t=0!==this.getTension()?this._getTensionPoints():this.getPoints())[0],a=t[0],r=t[1],o=t[1],s=0;s<t.length/2;s++)e=t[2*s],n=t[2*s+1],i=Math.min(i,e),a=Math.max(a,e),r=Math.min(r,n),o=Math.max(o,n);return{x:Math.round(i),y:Math.round(r),width:Math.round(a-i),height:Math.round(o-r)}}},Konva.Util.extend(Konva.Line,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Line,"closed",!1),Konva.Factory.addGetterSetter(Konva.Line,"bezier",!1),Konva.Factory.addGetterSetter(Konva.Line,"tension",0),Konva.Factory.addGetterSetter(Konva.Line,"points",[]),Konva.Collection.mapMethods(Konva.Line)}(),function(){"use strict";Konva.Sprite=function(t){this.___init(t)},Konva.Sprite.prototype={___init:function(t){Konva.Shape.call(this,t),this.className="Sprite",this._updated=!0;var e=this;this.anim=new Konva.Animation(function(){var t=e._updated;return e._updated=!1,t}),this.on("animationChange.konva",function(){this.frameIndex(0)}),this.on("frameIndexChange.konva",function(){this._updated=!0}),this.on("frameRateChange.konva",function(){this.anim.isRunning()&&(clearInterval(this.interval),this._setInterval())}),this.sceneFunc(this._sceneFunc),this.hitFunc(this._hitFunc)},_sceneFunc:function(t){var e=this.getAnimation(),n=this.frameIndex(),i=4*n,a=this.getAnimations()[e],r=this.frameOffsets(),o=a[i+0],s=a[i+1],h=a[i+2],c=a[i+3],l=this.getImage();if((this.hasFill()||this.hasStroke())&&(t.beginPath(),t.rect(0,0,h,c),t.closePath(),t.fillStrokeShape(this)),l)if(r){var d=r[e],u=2*n;t.drawImage(l,o,s,h,c,d[u+0],d[u+1],h,c)}else t.drawImage(l,o,s,h,c,0,0,h,c)},_hitFunc:function(t){var e=this.getAnimation(),n=this.frameIndex(),i=4*n,a=this.getAnimations()[e],r=this.frameOffsets(),o=a[i+2],s=a[i+3];if(t.beginPath(),r){var h=r[e],c=2*n;t.rect(h[c+0],h[c+1],o,s)}else t.rect(0,0,o,s);t.closePath(),t.fillShape(this)},_useBufferCanvas:function(){return(this.hasShadow()||1!==this.getAbsoluteOpacity())&&this.hasStroke()},_setInterval:function(){var t=this;this.interval=setInterval(function(){t._updateIndex()},1e3/this.getFrameRate())},start:function(){var t=this.getLayer();this.anim.setLayers(t),this._setInterval(),this.anim.start()},stop:function(){this.anim.stop(),clearInterval(this.interval)},isRunning:function(){return this.anim.isRunning()},_updateIndex:function(){var t=this.frameIndex(),e=this.getAnimation();t<this.getAnimations()[e].length/4-1?this.frameIndex(t+1):this.frameIndex(0)}},Konva.Util.extend(Konva.Sprite,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Sprite,"animation"),Konva.Factory.addGetterSetter(Konva.Sprite,"animations"),Konva.Factory.addGetterSetter(Konva.Sprite,"frameOffsets"),Konva.Factory.addGetterSetter(Konva.Sprite,"image"),Konva.Factory.addGetterSetter(Konva.Sprite,"frameIndex",0),Konva.Factory.addGetterSetter(Konva.Sprite,"frameRate",17),Konva.Factory.backCompat(Konva.Sprite,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"}),Konva.Collection.mapMethods(Konva.Sprite)}(),function(){"use strict";Konva.Path=function(t){this.___init(t)},Konva.Path.prototype={___init:function(t){this.dataArray=[];var e=this;Konva.Shape.call(this,t),this.className="Path",this.dataArray=Konva.Path.parsePathData(this.getData()),this.on("dataChange.konva",function(){e.dataArray=Konva.Path.parsePathData(this.getData())}),this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=this.dataArray;t.beginPath();for(var n=0;n<e.length;n++){var i=e[n].command,a=e[n].points;switch(i){case"L":t.lineTo(a[0],a[1]);break;case"M":t.moveTo(a[0],a[1]);break;case"C":t.bezierCurveTo(a[0],a[1],a[2],a[3],a[4],a[5]);break;case"Q":t.quadraticCurveTo(a[0],a[1],a[2],a[3]);break;case"A":var r=a[0],o=a[1],s=a[2],h=a[3],c=a[4],l=a[5],d=a[6],u=a[7],f=s>h?s:h,v=s>h?1:s/h,g=s>h?h/s:1;t.translate(r,o),t.rotate(d),t.scale(v,g),t.arc(0,0,f,c,c+l,1-u),t.scale(1/v,1/g),t.rotate(-d),t.translate(-r,-o);break;case"z":t.closePath()}}t.fillStrokeShape(this)},getSelfRect:function(){var t=[];this.dataArray.forEach(function(e){t=t.concat(e.points)});for(var e,n,i=t[0],a=t[0],r=t[1],o=t[1],s=0;s<t.length/2;s++)e=t[2*s],n=t[2*s+1],i=Math.min(i,e),a=Math.max(a,e),r=Math.min(r,n),o=Math.max(o,n);return{x:Math.round(i),y:Math.round(r),width:Math.round(a-i),height:Math.round(o-r)}}},Konva.Util.extend(Konva.Path,Konva.Shape),Konva.Path.getLineLength=function(t,e,n,i){return Math.sqrt((n-t)*(n-t)+(i-e)*(i-e))},Konva.Path.getPointOnLine=function(t,e,n,i,a,r,o){void 0===r&&(r=e),void 0===o&&(o=n);var s=(a-n)/(i-e+1e-8),h=Math.sqrt(t*t/(1+s*s));i<e&&(h*=-1);var c,l=s*h;if(i===e)c={x:r,y:o+l};else if((o-n)/(r-e+1e-8)===s)c={x:r+h,y:o+l};else{var d,u,f=this.getLineLength(e,n,i,a);if(f<1e-8)return;var v=(r-e)*(i-e)+(o-n)*(a-n);d=e+(v/=f*f)*(i-e),u=n+v*(a-n);var g=this.getLineLength(r,o,d,u),p=Math.sqrt(t*t-g*g);h=Math.sqrt(p*p/(1+s*s)),i<e&&(h*=-1),c={x:d+h,y:u+(l=s*h)}}return c},Konva.Path.getPointOnCubicBezier=function(t,e,n,i,a,r,o,s,h){function c(t){return t*t*t}function l(t){return 3*t*t*(1-t)}function d(t){return 3*t*(1-t)*(1-t)}function u(t){return(1-t)*(1-t)*(1-t)}return{x:s*c(t)+r*l(t)+i*d(t)+e*u(t),y:h*c(t)+o*l(t)+a*d(t)+n*u(t)}},Konva.Path.getPointOnQuadraticBezier=function(t,e,n,i,a,r,o){function s(t){return t*t}function h(t){return 2*t*(1-t)}function c(t){return(1-t)*(1-t)}return{x:r*s(t)+i*h(t)+e*c(t),y:o*s(t)+a*h(t)+n*c(t)}},Konva.Path.getPointOnEllipticalArc=function(t,e,n,i,a,r){var o=Math.cos(r),s=Math.sin(r),h={x:n*Math.cos(a),y:i*Math.sin(a)};return{x:t+(h.x*o-h.y*s),y:e+(h.x*s+h.y*o)}},Konva.Path.parsePathData=function(t){if(!t)return[];var e=t,n=["m","M","l","L","v","V","h","H","z","Z","c","C","q","Q","t","T","s","S","a","A"];e=e.replace(new RegExp(" ","g"),",");for(var i=0;i<n.length;i++)e=e.replace(new RegExp(n[i],"g"),"|"+n[i]);var a=e.split("|"),r=[],o=0,s=0;for(i=1;i<a.length;i++){var h=a[i],c=h.charAt(0),l=(h=(h=(h=(h=h.slice(1)).replace(new RegExp(",-","g"),"-")).replace(new RegExp("-","g"),",-")).replace(new RegExp("e,-","g"),"e-")).split(",");l.length>0&&""===l[0]&&l.shift();for(var d=0;d<l.length;d++)l[d]=parseFloat(l[d]);for(;l.length>0&&!isNaN(l[0]);){var u,f,v,g,p,m,_,y,S,K,C=null,x=[],w=o,b=s;switch(c){case"l":o+=l.shift(),s+=l.shift(),C="L",x.push(o,s);break;case"L":o=l.shift(),s=l.shift(),x.push(o,s);break;case"m":var F=l.shift(),T=l.shift();if(o+=F,s+=T,C="M",r.length>2&&"z"===r[r.length-1].command)for(var P=r.length-2;P>=0;P--)if("M"===r[P].command){o=r[P].points[0]+F,s=r[P].points[1]+T;break}x.push(o,s),c="l";break;case"M":o=l.shift(),s=l.shift(),C="M",x.push(o,s),c="L";break;case"h":o+=l.shift(),C="L",x.push(o,s);break;case"H":o=l.shift(),C="L",x.push(o,s);break;case"v":s+=l.shift(),C="L",x.push(o,s);break;case"V":s=l.shift(),C="L",x.push(o,s);break;case"C":x.push(l.shift(),l.shift(),l.shift(),l.shift()),o=l.shift(),s=l.shift(),x.push(o,s);break;case"c":x.push(o+l.shift(),s+l.shift(),o+l.shift(),s+l.shift()),o+=l.shift(),s+=l.shift(),C="C",x.push(o,s);break;case"S":f=o,v=s,"C"===(u=r[r.length-1]).command&&(f=o+(o-u.points[2]),v=s+(s-u.points[3])),x.push(f,v,l.shift(),l.shift()),o=l.shift(),s=l.shift(),C="C",x.push(o,s);break;case"s":f=o,v=s,"C"===(u=r[r.length-1]).command&&(f=o+(o-u.points[2]),v=s+(s-u.points[3])),x.push(f,v,o+l.shift(),s+l.shift()),o+=l.shift(),s+=l.shift(),C="C",x.push(o,s);break;case"Q":x.push(l.shift(),l.shift()),o=l.shift(),s=l.shift(),x.push(o,s);break;case"q":x.push(o+l.shift(),s+l.shift()),o+=l.shift(),s+=l.shift(),C="Q",x.push(o,s);break;case"T":f=o,v=s,"Q"===(u=r[r.length-1]).command&&(f=o+(o-u.points[0]),v=s+(s-u.points[1])),o=l.shift(),s=l.shift(),C="Q",x.push(f,v,o,s);break;case"t":f=o,v=s,"Q"===(u=r[r.length-1]).command&&(f=o+(o-u.points[0]),v=s+(s-u.points[1])),o+=l.shift(),s+=l.shift(),C="Q",x.push(f,v,o,s);break;case"A":g=l.shift(),p=l.shift(),m=l.shift(),_=l.shift(),y=l.shift(),S=o,K=s,o=l.shift(),s=l.shift(),C="A",x=this.convertEndpointToCenterParameterization(S,K,o,s,_,y,g,p,m);break;case"a":g=l.shift(),p=l.shift(),m=l.shift(),_=l.shift(),y=l.shift(),S=o,K=s,o+=l.shift(),s+=l.shift(),C="A",x=this.convertEndpointToCenterParameterization(S,K,o,s,_,y,g,p,m)}r.push({command:C||c,points:x,start:{x:w,y:b},pathLength:this.calcLength(w,b,C||c,x)})}"z"!==c&&"Z"!==c||r.push({command:"z",points:[],start:void 0,pathLength:0})}return r},Konva.Path.calcLength=function(t,e,n,i){var a,r,o,s,h=Konva.Path;switch(n){case"L":return h.getLineLength(t,e,i[0],i[1]);case"C":for(a=0,r=h.getPointOnCubicBezier(0,t,e,i[0],i[1],i[2],i[3],i[4],i[5]),s=.01;s<=1;s+=.01)o=h.getPointOnCubicBezier(s,t,e,i[0],i[1],i[2],i[3],i[4],i[5]),a+=h.getLineLength(r.x,r.y,o.x,o.y),r=o;return a;case"Q":for(a=0,r=h.getPointOnQuadraticBezier(0,t,e,i[0],i[1],i[2],i[3]),s=.01;s<=1;s+=.01)o=h.getPointOnQuadraticBezier(s,t,e,i[0],i[1],i[2],i[3]),a+=h.getLineLength(r.x,r.y,o.x,o.y),r=o;return a;case"A":a=0;var c=i[4],l=i[5],d=i[4]+l,u=Math.PI/180;if(Math.abs(c-d)<u&&(u=Math.abs(c-d)),r=h.getPointOnEllipticalArc(i[0],i[1],i[2],i[3],c,0),l<0)for(s=c-u;s>d;s-=u)o=h.getPointOnEllipticalArc(i[0],i[1],i[2],i[3],s,0),a+=h.getLineLength(r.x,r.y,o.x,o.y),r=o;else for(s=c+u;s<d;s+=u)o=h.getPointOnEllipticalArc(i[0],i[1],i[2],i[3],s,0),a+=h.getLineLength(r.x,r.y,o.x,o.y),r=o;return o=h.getPointOnEllipticalArc(i[0],i[1],i[2],i[3],d,0),a+=h.getLineLength(r.x,r.y,o.x,o.y)}return 0},Konva.Path.convertEndpointToCenterParameterization=function(t,e,n,i,a,r,o,s,h){var c=h*(Math.PI/180),l=Math.cos(c)*(t-n)/2+Math.sin(c)*(e-i)/2,d=-1*Math.sin(c)*(t-n)/2+Math.cos(c)*(e-i)/2,u=l*l/(o*o)+d*d/(s*s);u>1&&(o*=Math.sqrt(u),s*=Math.sqrt(u));var f=Math.sqrt((o*o*(s*s)-o*o*(d*d)-s*s*(l*l))/(o*o*(d*d)+s*s*(l*l)));a===r&&(f*=-1),isNaN(f)&&(f=0);var v=f*o*d/s,g=f*-s*l/o,p=(t+n)/2+Math.cos(c)*v-Math.sin(c)*g,m=(e+i)/2+Math.sin(c)*v+Math.cos(c)*g,_=function(t){return Math.sqrt(t[0]*t[0]+t[1]*t[1])},y=function(t,e){return(t[0]*e[0]+t[1]*e[1])/(_(t)*_(e))},S=function(t,e){return(t[0]*e[1]<t[1]*e[0]?-1:1)*Math.acos(y(t,e))},K=S([1,0],[(l-v)/o,(d-g)/s]),C=[(l-v)/o,(d-g)/s],x=[(-1*l-v)/o,(-1*d-g)/s],w=S(C,x);return y(C,x)<=-1&&(w=Math.PI),y(C,x)>=1&&(w=0),0===r&&w>0&&(w-=2*Math.PI),1===r&&w<0&&(w+=2*Math.PI),[p,m,o,s,K,w,c,r]},Konva.Factory.addGetterSetter(Konva.Path,"data"),Konva.Collection.mapMethods(Konva.Path)}(),function(){"use strict";function t(t){t.fillText(this.partialText,0,0)}function e(t){t.strokeText(this.partialText,0,0)}Konva.TextPath=function(t){this.___init(t)},Konva.TextPath.prototype={___init:function(n){var i=this;this.dummyCanvas=Konva.Util.createCanvasElement(),this.dataArray=[],Konva.Shape.call(this,n),this._fillFunc=t,this._strokeFunc=e,this._fillFuncHit=t,this._strokeFuncHit=e,this.className="TextPath",this.dataArray=Konva.Path.parsePathData(this.attrs.data),this.on("dataChange.konva",function(){i.dataArray=Konva.Path.parsePathData(this.attrs.data),i._setTextData()}),this.on("textChange.konva alignChange.konva letterSpacingChange.konva",i._setTextData),i._setTextData(),this.sceneFunc(this._sceneFunc),this.hitFunc(this._hitFunc)},_sceneFunc:function(t){t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",this.getTextBaseline()),t.setAttr("textAlign","left"),t.save();var e=this.textDecoration(),n=this.fill(),i=this.fontSize(),a=this.glyphInfo;"underline"===e&&t.beginPath();for(var r=0;r<a.length;r++){t.save();var o=a[r].p0;t.translate(o.x,o.y),t.rotate(a[r].rotation),this.partialText=a[r].text,t.fillStrokeShape(this),"underline"===e&&(0===r&&t.moveTo(0,i/2+1),t.lineTo(i,i/2+1)),t.restore()}"underline"===e&&(t.strokeStyle=n,t.lineWidth=i/20,t.stroke()),t.restore()},_hitFunc:function(t){t.beginPath();var e=this.glyphInfo;if(e.length>=1){var n=e[0].p0;t.moveTo(n.x,n.y)}for(var i=0;i<e.length;i++){var a=e[i].p1;t.lineTo(a.x,a.y)}t.setAttr("lineWidth",this.getFontSize()),t.setAttr("strokeStyle",this.colorKey),t.stroke()},getTextWidth:function(){return this.textWidth},getTextHeight:function(){return this.textHeight},setText:function(t){Konva.Text.prototype.setText.call(this,t)},_getTextSize:function(t){var e=this.dummyCanvas.getContext("2d");e.save(),e.font=this._getContextFont();var n=e.measureText(t);return e.restore(),{width:n.width,height:parseInt(this.attrs.fontSize,10)}},_setTextData:function(){var t=this,e=this._getTextSize(this.attrs.text),n=this.getLetterSpacing(),i=this.align();this.textWidth=e.width,this.textHeight=e.height;var a=Math.max(this.textWidth+((this.attrs.text||"").length-1)*n,0);this.glyphInfo=[];for(var r=0,o=0;o<t.dataArray.length;o++)t.dataArray[o].pathLength>0&&(r+=t.dataArray[o].pathLength);var s=0;"center"===i&&(s=Math.max(0,r/2-a/2)),"right"===i&&(s=Math.max(0,r-a));for(var h,c,l,d=this.getText().split(""),u=this.getText().split(" ").length-1,f=-1,v=0,g=function(){v=0;for(var e=t.dataArray,n=f+1;n<e.length;n++){if(e[n].pathLength>0)return f=n,e[n];"M"===e[n].command&&(h={x:e[n].points[0],y:e[n].points[1]})}return{}},p=function(e){var o=t._getTextSize(e).width+n;" "===e&&"justify"===i&&(o+=(r-a)/u);var s=0,d=0;for(c=void 0;Math.abs(o-s)/o>.01&&d<25;){d++;for(var f=s;void 0===l;)(l=g())&&f+l.pathLength<o&&(f+=l.pathLength,l=void 0);if(l==={}||void 0===h)return;var p=!1;switch(l.command){case"L":Konva.Path.getLineLength(h.x,h.y,l.points[0],l.points[1])>o?c=Konva.Path.getPointOnLine(o,h.x,h.y,l.points[0],l.points[1],h.x,h.y):l=void 0;break;case"A":var m=l.points[4],_=l.points[5],y=l.points[4]+_;0===v?v=m+1e-8:o>s?v+=Math.PI/180*_/Math.abs(_):v-=Math.PI/360*_/Math.abs(_),(_<0&&v<y||_>=0&&v>y)&&(v=y,p=!0),c=Konva.Path.getPointOnEllipticalArc(l.points[0],l.points[1],l.points[2],l.points[3],v,l.points[6]);break;case"C":0===v?v=o>l.pathLength?1e-8:o/l.pathLength:o>s?v+=(o-s)/l.pathLength:v-=(s-o)/l.pathLength,v>1&&(v=1,p=!0),c=Konva.Path.getPointOnCubicBezier(v,l.start.x,l.start.y,l.points[0],l.points[1],l.points[2],l.points[3],l.points[4],l.points[5]);break;case"Q":0===v?v=o/l.pathLength:o>s?v+=(o-s)/l.pathLength:v-=(s-o)/l.pathLength,v>1&&(v=1,p=!0),c=Konva.Path.getPointOnQuadraticBezier(v,l.start.x,l.start.y,l.points[0],l.points[1],l.points[2],l.points[3])}void 0!==c&&(s=Konva.Path.getLineLength(h.x,h.y,c.x,c.y)),p&&(p=!1,l=void 0)}},m=t._getTextSize("C").width+n,_=0;_<s/m&&(p("C"),void 0!==h&&void 0!==c);_++)h=c;for(var y=0;y<d.length&&(p(d[y]),void 0!==h&&void 0!==c);y++){var S=Konva.Path.getLineLength(h.x,h.y,c.x,c.y),K=Konva.Path.getPointOnLine(0+S/2,h.x,h.y,c.x,c.y),C=Math.atan2(c.y-h.y,c.x-h.x);this.glyphInfo.push({transposeX:K.x,transposeY:K.y,text:d[y],rotation:C,p0:h,p1:c}),h=c}},getSelfRect:function(){var t=[];this.glyphInfo.forEach(function(e){t.push(e.p0.x),t.push(e.p0.y),t.push(e.p1.x),t.push(e.p1.y)});for(var e,n,i=t[0],a=t[0],r=t[0],o=t[0],s=0;s<t.length/2;s++)e=t[2*s],n=t[2*s+1],i=Math.min(i,e),a=Math.max(a,e),r=Math.min(r,n),o=Math.max(o,n);var h=this.fontSize();return{x:Math.round(i)-h/2,y:Math.round(r)-h/2,width:Math.round(a-i)+h,height:Math.round(o-r)+h}}},Konva.TextPath.prototype._getContextFont=Konva.Text.prototype._getContextFont,Konva.Util.extend(Konva.TextPath,Konva.Shape),Konva.Factory.addGetterSetter(Konva.TextPath,"fontFamily","Arial"),Konva.Factory.addGetterSetter(Konva.TextPath,"fontSize",12),Konva.Factory.addGetterSetter(Konva.TextPath,"fontStyle","normal"),Konva.Factory.addGetterSetter(Konva.TextPath,"align","left"),Konva.Factory.addGetterSetter(Konva.TextPath,"letterSpacing",0),Konva.Factory.addGetterSetter(Konva.TextPath,"textBaseline","middle"),Konva.Factory.addGetterSetter(Konva.TextPath,"fontVariant","normal"),Konva.Factory.addGetter(Konva.TextPath,"text",""),Konva.Factory.addGetterSetter(Konva.TextPath,"textDecoration",null),Konva.Collection.mapMethods(Konva.TextPath)}(),function(){"use strict";Konva.RegularPolygon=function(t){this.___init(t)},Konva.RegularPolygon.prototype={_centroid:!0,___init:function(t){Konva.Shape.call(this,t),this.className="RegularPolygon",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e,n,i,a=this.attrs.sides,r=this.attrs.radius;for(t.beginPath(),t.moveTo(0,0-r),e=1;e<a;e++)n=r*Math.sin(2*e*Math.PI/a),i=-1*r*Math.cos(2*e*Math.PI/a),t.lineTo(n,i);t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadius()},getHeight:function(){return 2*this.getRadius()},setWidth:function(t){Konva.Node.prototype.setWidth.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)},setHeight:function(t){Konva.Node.prototype.setHeight.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)}},Konva.Util.extend(Konva.RegularPolygon,Konva.Shape),Konva.Factory.addGetterSetter(Konva.RegularPolygon,"radius",0),Konva.Factory.addGetterSetter(Konva.RegularPolygon,"sides",0),Konva.Collection.mapMethods(Konva.RegularPolygon)}(),function(){"use strict";Konva.Star=function(t){this.___init(t)},Konva.Star.prototype={_centroid:!0,___init:function(t){Konva.Shape.call(this,t),this.className="Star",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=this.innerRadius(),n=this.outerRadius(),i=this.numPoints();t.beginPath(),t.moveTo(0,0-n);for(var a=1;a<2*i;a++){var r=a%2==0?n:e,o=r*Math.sin(a*Math.PI/i),s=-1*r*Math.cos(a*Math.PI/i);t.lineTo(o,s)}t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getOuterRadius()},getHeight:function(){return 2*this.getOuterRadius()},setWidth:function(t){Konva.Node.prototype.setWidth.call(this,t),this.outerRadius()!==t/2&&this.setOuterRadius(t/2)},setHeight:function(t){Konva.Node.prototype.setHeight.call(this,t),this.outerRadius()!==t/2&&this.setOuterRadius(t/2)}},Konva.Util.extend(Konva.Star,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Star,"numPoints",5),Konva.Factory.addGetterSetter(Konva.Star,"innerRadius",0),Konva.Factory.addGetterSetter(Konva.Star,"outerRadius",0),Konva.Collection.mapMethods(Konva.Star)}(),function(){"use strict";var t=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width"],e=t.length;Konva.Label=function(t){this.____init(t)},Konva.Label.prototype={____init:function(t){var e=this;Konva.Group.call(this,t),this.className="Label",this.on("add.konva",function(t){e._addListeners(t.child),e._sync()})},getText:function(){return this.find("Text")[0]},getTag:function(){return this.find("Tag")[0]},_addListeners:function(n){var i,a=this;for(i=0;i<e;i++)n.on(t[i]+"Change.konva",function(){a._sync()})},getWidth:function(){return this.getText().getWidth()},getHeight:function(){return this.getText().getHeight()},_sync:function(){var t,e,n,i,a,r,o,s=this.getText(),h=this.getTag();if(s&&h){switch(t=s.getWidth(),e=s.getHeight(),n=h.getPointerDirection(),i=h.getPointerWidth(),o=h.getPointerHeight(),a=0,r=0,n){case"up":a=t/2,r=-1*o;break;case"right":a=t+i,r=e/2;break;case"down":a=t/2,r=e+o;break;case"left":a=-1*i,r=e/2}h.setAttrs({x:-1*a,y:-1*r,width:t,height:e}),s.setAttrs({x:-1*a,y:-1*r})}}},Konva.Util.extend(Konva.Label,Konva.Group),Konva.Collection.mapMethods(Konva.Label),Konva.Tag=function(t){this.___init(t)},Konva.Tag.prototype={___init:function(t){Konva.Shape.call(this,t),this.className="Tag",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=this.getWidth(),n=this.getHeight(),i=this.getPointerDirection(),a=this.getPointerWidth(),r=this.getPointerHeight(),o=Math.min(this.getCornerRadius(),e/2,n/2);t.beginPath(),o?t.moveTo(o,0):t.moveTo(0,0),"up"===i&&(t.lineTo((e-a)/2,0),t.lineTo(e/2,-1*r),t.lineTo((e+a)/2,0)),o?(t.lineTo(e-o,0),t.arc(e-o,o,o,3*Math.PI/2,0,!1)):t.lineTo(e,0),"right"===i&&(t.lineTo(e,(n-r)/2),t.lineTo(e+a,n/2),t.lineTo(e,(n+r)/2)),o?(t.lineTo(e,n-o),t.arc(e-o,n-o,o,0,Math.PI/2,!1)):t.lineTo(e,n),"down"===i&&(t.lineTo((e+a)/2,n),t.lineTo(e/2,n+r),t.lineTo((e-a)/2,n)),o?(t.lineTo(o,n),t.arc(o,n-o,o,Math.PI/2,Math.PI,!1)):t.lineTo(0,n),"left"===i&&(t.lineTo(0,(n+r)/2),t.lineTo(-1*a,n/2),t.lineTo(0,(n-r)/2)),o&&(t.lineTo(0,o),t.arc(o,o,o,Math.PI,3*Math.PI/2,!1)),t.closePath(),t.fillStrokeShape(this)},getSelfRect:function(){var t=0,e=0,n=this.getPointerWidth(),i=this.getPointerHeight(),a=this.pointerDirection(),r=this.getWidth(),o=this.getHeight();return"up"===a?(e-=i,o+=i):"down"===a?o+=i:"left"===a?(t-=1.5*n,r+=n):"right"===a&&(r+=1.5*n),{x:t,y:e,width:r,height:o}}},Konva.Util.extend(Konva.Tag,Konva.Shape),Konva.Factory.addGetterSetter(Konva.Tag,"pointerDirection","none"),Konva.Factory.addGetterSetter(Konva.Tag,"pointerWidth",0),Konva.Factory.addGetterSetter(Konva.Tag,"pointerHeight",0),Konva.Factory.addGetterSetter(Konva.Tag,"cornerRadius",0),Konva.Collection.mapMethods(Konva.Tag)}(),function(t){"use strict";t.Arrow=function(t){this.____init(t)},t.Arrow.prototype={____init:function(e){t.Line.call(this,e),this.className="Arrow"},_sceneFunc:function(e){t.Line.prototype._sceneFunc.apply(this,arguments);var n=2*Math.PI,i=this.points(),a=i.length,r=i[a-2]-i[a-4],o=i[a-1]-i[a-3],s=(Math.atan2(o,r)+n)%n,h=this.pointerLength(),c=this.pointerWidth();e.save(),e.beginPath(),e.translate(i[a-2],i[a-1]),e.rotate(s),e.moveTo(0,0),e.lineTo(-h,c/2),e.lineTo(-h,-c/2),e.closePath(),e.restore(),this.pointerAtBeginning()&&(e.save(),e.translate(i[0],i[1]),r=i[2]-i[0],o=i[3]-i[1],e.rotate((Math.atan2(-o,-r)+n)%n),e.moveTo(0,0),e.lineTo(-h,c/2),e.lineTo(-h,-c/2),e.closePath(),e.restore()),e.fillStrokeShape(this)}},t.Util.extend(t.Arrow,t.Line),t.Factory.addGetterSetter(t.Arrow,"pointerLength",10),t.Factory.addGetterSetter(t.Arrow,"pointerWidth",10),t.Factory.addGetterSetter(t.Arrow,"pointerAtBeginning",!1),t.Collection.mapMethods(t.Arrow)}(Konva);