konva/konva.min.js

<p align="center"> <img src="https://raw.githubusercontent.com/konvajs/konvajs.github.io/master/apple-touch-icon-180x180.png" alt="Konva logo" height="180" /> </p>

/*
 * Konva JavaScript Framework v2.0.2
 * http://konvajs.github.io/
 * Licensed under the MIT
 * Date: Fri Mar 16 2018
 *
 * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
 * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
 *
 * @license
 */
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t=["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"];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,s=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}};for(e=0;e<a;e++)s(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})}}},["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation"].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.getFillPriority();if(e&&"color"===n)this._fillColor(t);else{var i=t.getFillPatternImage();if(i&&"pattern"===n)this._fillPattern(t);else{var a=t.getFillLinearGradientColorStops();if(a&&"linear-gradient"===n)this._fillLinearGradient(t);else{var r=t.getFillRadialGradientColorStops();r&&"radial-gradient"===n?this._fillRadialGradient(t):e?this._fillColor(t):i?this._fillPattern(t):a?this._fillLinearGradient(t):r&&this._fillRadialGradient(t)}}}},_strokeLinearGradient:function(t){var e=t.getStrokeLinearGradientStartPoint(),n=t.getStrokeLinearGradientEndPoint(),i=t.getStrokeLinearGradientColorStops(),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("strokeStyle",a)}},_stroke:function(t){var e=t.dash(),n=t.getStrokeScaleEnabled()||t instanceof Konva.Text;if(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()),t.getShadowForStrokeEnabled()||this.setAttr("shadowColor","rgba(0,0,0,0)");t.getStrokeLinearGradientColorStops()?this._strokeLinearGradient(t):this.setAttr("strokeStyle",t.stroke()),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*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){Konva.Util.error("Adding deprecated "+e);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="absoluteOpacity",n="absoluteTransform",i="absoluteScale",a="listening",r="Shape",o="transform",s=["id"],h=["xChange.konva","yChange.konva","scaleXChange.konva","scaleYChange.konva","skewXChange.konva","skewYChange.konva","rotationChange.konva","offsetXChange.konva","offsetYChange.konva","transformsEnabledChange.konva"].join(" "),c=["scaleXChange.konva","scaleYChange.konva"].join(" ");t.Node=function(t){this._init(t)},t.Util.addMethods(t.Node,{_init:function(r){var s=this;this._id=t.idCounter++,this.eventListeners={},this.attrs={},this._cache={},this._filterUpToDate=!1,this._isUnderCache=!1,this.setAttrs(r),this.on(h,function(){this._clearCache(o),s._clearSelfAndDescendantCache(n)}),this.on(c,function(){s._clearSelfAndDescendantCache(i)}),this.on("visibleChange.konva",function(){s._clearSelfAndDescendantCache("visible")}),this.on("listeningChange.konva",function(){s._clearSelfAndDescendantCache(a)}),this.on("opacityChange.konva",function(){s._clearSelfAndDescendantCache(e)})},_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(n){var a=n||{},r=this.getClientRect({skipTransform:!0,relativeTo:this.getParent()}),o=a.width||r.width,s=a.height||r.height,h=a.pixelRatio,c=a.x||r.x,l=a.y||r.y,d=a.offset||0,u=a.drawBorder||!1;{if(o&&s){o+=2*d,s+=2*d,c-=d,l-=d;var f=new t.SceneCanvas({pixelRatio:h,width:o,height:s}),g=new t.SceneCanvas({pixelRatio:h,width:o,height:s}),v=new t.HitCanvas({pixelRatio:1,width:o,height:s}),p=f.getContext(),m=v.getContext();return v.isCache=!0,this.clearCache(),p.save(),m.save(),p.translate(-c,-l),m.translate(-c,-l),this._isUnderCache=!0,this._clearSelfAndDescendantCache(e),this._clearSelfAndDescendantCache(i),this.drawScene(f,this,!0),this.drawHit(v,this,!0),this._isUnderCache=!1,p.restore(),m.restore(),u&&(p.save(),p.beginPath(),p.rect(0,0,o,s),p.closePath(),p.setAttr("strokeStyle","red"),p.setAttr("lineWidth",5),p.stroke(),p.restore()),this._cache.canvas={scene:f,filter:g,hit:v,x:c,y:l},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,e){var n,i,a,r,o,s,h=(t||"").split(" "),c=h.length;if(!t)for(i in this.eventListeners)this._off(i);for(n=0;n<c;n++)if(a=h[n],r=a.split("."),o=r[0],s=r[1],o)this.eventListeners[o]&&this._off(o,s,e);else for(i in this.eventListeners)this._off(i,s,e);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(n),this._clearSelfAndDescendantCache("visible"),this._clearSelfAndDescendantCache(a),this._clearSelfAndDescendantCache(e),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(a,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(e=[],n=c.length,i=0;i<n;i++)a=c[i],h++,a.nodeType!==r&&(e=e.concat(a.getChildren().toArray())),a._id===s._id&&(i=n);e.length>0&&e[0].getDepth()<=o&&t(e)}var e,n,i,a,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(o),this._clearSelfAndDescendantCache(n)},_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(o),this._clearSelfAndDescendantCache(n),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(e,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(n,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(i,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(o,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 n,i,a,r,o,h=t.Util.cloneObject(this.attrs);for(var c in s){delete h[s[c]]}for(n in e)h[n]=e[n];var l=new this.constructor(h);for(n in this.eventListeners)for(a=(i=this.eventListeners[n]).length,r=0;r<a;r++)(o=i[r]).name.indexOf("konva")<0&&(l.eventListeners[n]||(l.eventListeners[n]=[]),l.eventListeners[n].push(o));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,n){var i,a,r,o=this.eventListeners[t];for(i=0;i<o.length;i++)if(a=o[i].name,r=o[i].handler,!("konva"===a&&"konva"!==e||e&&a!==e||n&&n!==r)){if(o.splice(i,1),0===o.length){delete this.eventListeners[t];break}i--}},_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,e,n){var i=!0;if(e&&this.nodeType===r&&(e.target=this),"mouseenter"===t&&n&&(this._id===n._id||this.isAncestorOf&&this.isAncestorOf(n))?i=!1:"mouseleave"===t&&n&&(this._id===n._id||this.isAncestorOf&&this.isAncestorOf(n))&&(i=!1),i){this._fire(t,e);var a=("mouseenter"===t||"mouseleave"===t)&&n&&n.isAncestorOf&&n.isAncestorOf(this)&&!n.isAncestorOf(this.parent);(e&&!e.cancelBubble||!e)&&this.parent&&this.parent.isListening()&&!a&&(n&&n.parent?this._fireAndBubble.call(this.parent,t,e,n.parent):this._fireAndBubble.call(this.parent,t,e))}},_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 e(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}var n=[512,512,456,512,328,456,335,512,405,328,271,456,388,335,292,512,454,405,364,328,298,271,496,456,420,388,360,335,312,292,273,512,482,454,428,405,383,364,345,328,312,298,284,271,259,496,475,456,437,420,404,388,374,360,347,335,323,312,302,292,282,273,265,512,497,482,468,454,441,428,417,405,394,383,373,364,354,345,337,328,320,312,305,298,291,284,278,271,265,259,507,496,485,475,465,456,446,437,428,420,412,404,396,388,381,374,367,360,354,347,341,335,329,323,318,312,307,302,297,292,287,282,278,273,269,265,261,512,505,497,489,482,475,468,461,454,447,441,435,428,422,417,411,405,399,394,389,383,378,373,368,364,359,354,350,345,341,337,332,328,324,320,316,312,309,305,301,298,294,291,287,284,281,278,274,271,268,265,262,259,257,507,501,496,491,485,480,475,470,465,460,456,451,446,442,437,433,428,424,420,416,412,408,404,400,396,392,388,385,381,377,374,370,367,363,360,357,354,350,347,344,341,338,335,332,329,326,323,320,318,315,312,310,307,304,302,299,297,294,292,289,287,285,282,280,278,275,273,271,269,267,265,263,261,259],i=[9,11,12,13,13,14,14,15,15,15,15,16,16,16,16,17,17,17,17,17,17,17,18,18,18,18,18,18,18,18,18,19,19,19,19,19,19,19,19,19,19,19,19,19,19,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24,24];t.Filters.Blur=function(t){var a=Math.round(this.blurRadius());a>0&&function(t,a){var r,o,s,h,c,l,d,u,f,g,v,p,m,_,y,S,K,x,C,b,w,F,T,P,A=t.data,M=t.width,k=t.height,G=a+a+1,R=M-1,D=k-1,L=a+1,O=L*(L+1)/2,I=new e,N=null,U=I,E=null,B=null,H=n[a],z=i[a];for(s=1;s<G;s++)U=U.next=new e,s===L&&(N=U);for(U.next=I,d=l=0,o=0;o<k;o++){for(S=K=x=C=u=f=g=v=0,p=L*(b=A[l]),m=L*(w=A[l+1]),_=L*(F=A[l+2]),y=L*(T=A[l+3]),u+=O*b,f+=O*w,g+=O*F,v+=O*T,U=I,s=0;s<L;s++)U.r=b,U.g=w,U.b=F,U.a=T,U=U.next;for(s=1;s<L;s++)h=l+((R<s?R:s)<<2),u+=(U.r=b=A[h])*(P=L-s),f+=(U.g=w=A[h+1])*P,g+=(U.b=F=A[h+2])*P,v+=(U.a=T=A[h+3])*P,S+=b,K+=w,x+=F,C+=T,U=U.next;for(E=I,B=N,r=0;r<M;r++)A[l+3]=T=v*H>>z,0!==T?(T=255/T,A[l]=(u*H>>z)*T,A[l+1]=(f*H>>z)*T,A[l+2]=(g*H>>z)*T):A[l]=A[l+1]=A[l+2]=0,u-=p,f-=m,g-=_,v-=y,p-=E.r,m-=E.g,_-=E.b,y-=E.a,h=d+((h=r+a+1)<R?h:R)<<2,u+=S+=E.r=A[h],f+=K+=E.g=A[h+1],g+=x+=E.b=A[h+2],v+=C+=E.a=A[h+3],E=E.next,p+=b=B.r,m+=w=B.g,_+=F=B.b,y+=T=B.a,S-=b,K-=w,x-=F,C-=T,B=B.next,l+=4;d+=M}for(r=0;r<M;r++){for(K=x=C=S=f=g=v=u=0,p=L*(b=A[l=r<<2]),m=L*(w=A[l+1]),_=L*(F=A[l+2]),y=L*(T=A[l+3]),u+=O*b,f+=O*w,g+=O*F,v+=O*T,U=I,s=0;s<L;s++)U.r=b,U.g=w,U.b=F,U.a=T,U=U.next;for(c=M,s=1;s<=a;s++)l=c+r<<2,u+=(U.r=b=A[l])*(P=L-s),f+=(U.g=w=A[l+1])*P,g+=(U.b=F=A[l+2])*P,v+=(U.a=T=A[l+3])*P,S+=b,K+=w,x+=F,C+=T,U=U.next,s<D&&(c+=M);for(l=r,E=I,B=N,o=0;o<k;o++)A[3+(h=l<<2)]=T=v*H>>z,T>0?(T=255/T,A[h]=(u*H>>z)*T,A[h+1]=(f*H>>z)*T,A[h+2]=(g*H>>z)*T):A[h]=A[h+1]=A[h+2]=0,u-=p,f-=m,g-=_,v-=y,p-=E.r,m-=E.g,_-=E.b,y-=E.a,h=r+((h=o+L)<D?h:D)*M<<2,u+=S+=E.r=A[h],f+=K+=E.g=A[h+1],g+=x+=E.b=A[h+2],v+=C+=E.a=A[h+3],E=E.next,p+=b=B.r,m+=w=B.g,_+=F=B.b,y+=T=B.a,S-=b,K-=w,x-=F,C-=T,B=B.next,l+=M}}(t,a)},t.Factory.addGetterSetter(t.Node,"blurRadius",0,null,t.Factory.afterSetF