diff --git a/konva.js b/konva.js
index bd61e1f1..613deb2f 100644
--- a/konva.js
+++ b/konva.js
@@ -2,7 +2,7 @@
  * Konva JavaScript Framework v2.0.3
  * http://konvajs.github.io/
  * Licensed under the MIT
- * Date: Fri May 04 2018
+ * Date: Mon May 07 2018
  *
  * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
  * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -10636,6 +10636,7 @@
         } else if (!dd || !dd.justDragged) {
           // don't set inDblClickWindow after dragging
           Konva.inDblClickWindow = true;
+          clearTimeout(this.dblTimeout);
         } else if (dd) {
           dd.justDragged = false;
         }
@@ -10743,6 +10744,7 @@
         // Konva.inDblClickWindow = false;
       } else {
         Konva.inDblClickWindow = true;
+        clearTimeout(this.dblTimeout);
       }
 
       this.dblTimeout = setTimeout(function() {
@@ -18706,7 +18708,6 @@
    * primitives and shapes.
    * @constructor
    * @memberof Konva
-   * @augments Konva.Container
    * @param {Object} config
    * @param {Boolean} [config.resizeEnabled] Default is true
    * @param {Boolean} [config.rotateEnabled] Default is true
@@ -18716,33 +18717,6 @@
    * @param {Number} [config.lineEnabled] Should we draw border? Default is true
    * @param {Boolean} [config.keepRatio] Should we keep ratio when we are moving edges? Default is true
    * @param {Array} [config.enabledHandlers] Array of names of enabled handles
-   * @param {Number} [config.x]
-     * @param {Number} [config.y]
-     * @param {Number} [config.width]
-     * @param {Number} [config.height]
-     * @param {Boolean} [config.visible]
-     * @param {Boolean} [config.listening] whether or not the node is listening for events
-     * @param {String} [config.id] unique id
-     * @param {String} [config.name] non-unique name
-     * @param {Number} [config.opacity] determines node opacity.  Can be any number between 0 and 1
-     * @param {Object} [config.scale] set scale
-     * @param {Number} [config.scaleX] set scale x
-     * @param {Number} [config.scaleY] set scale y
-     * @param {Number} [config.rotation] rotation in degrees
-     * @param {Object} [config.offset] offset from center point and rotation point
-     * @param {Number} [config.offsetX] set offset x
-     * @param {Number} [config.offsetY] set offset y
-     * @param {Boolean} [config.draggable] makes the node draggable.  When stages are draggable, you can drag and drop
-     *  the entire stage by dragging any portion of the stage
-     * @param {Number} [config.dragDistance]
-     * @param {Function} [config.dragBoundFunc]
-   * * @param {Object} [config.clip] set clip
-     * @param {Number} [config.clipX] set clip x
-     * @param {Number} [config.clipY] set clip y
-     * @param {Number} [config.clipWidth] set clip width
-     * @param {Number} [config.clipHeight] set clip height
-     * @param {Function} [config.clipFunc] set clip func
-
    * @example
    * var transformer = new Konva.Transformer({
    *   node: rectangle,
@@ -18801,6 +18775,14 @@
       this.setNode(node);
     },
 
+    /**
+     * attach transformer to a Konva.Node. Transformer will adapt it its size and listed events
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Konva.Transformer}
+     * @example
+     * transformer.attachTo(shape);
+     */
     setNode: function(node) {
       if (this._node) {
         this.detach();
@@ -18816,19 +18798,27 @@
           this._clearSelfAndDescendantCache('absoluteTransform');
         }.bind(this)
       );
-      // node.on(TRANSFORM_CHANGE_STR, this.requestUpdate.bind(this));
-      // node.on('dragmove.resizer', this.requestUpdate.bind(this));
 
+      // TODO: why do we need this?
       var elementsCreated = !!this.findOne('.top-left');
       if (elementsCreated) {
         this.update();
       }
+      return this;
     },
 
     getNode: function() {
       return this._node;
     },
 
+    /**
+     * detach transformer from a attached node
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Konva.Transformer}
+     * @example
+     * transformer.detach();
+     */
     detach: function() {
       if (this.getNode()) {
         this.getNode().off('.resizer');
@@ -19245,21 +19235,9 @@
       this.update();
       this.getLayer().batchDraw();
     },
-
-    requestUpdate: function() {
-      if (this.timeout) {
-        return;
-      }
-      this.timeout = setTimeout(
-        function() {
-          this.timeout = null;
-          this.update();
-        }.bind(this)
-      );
-    },
-
     /**
-     * force update of Transformer
+     * force update of Konva.Transformer.
+     * Use it when you updated attached Konva.Group and now you need to reset transformer size
      * @method
      * @memberof Konva.Transformer.prototype
      */
@@ -19329,9 +19307,21 @@
         visible: this.lineEnabled()
       });
     },
+    /**
+     * determine if transformer is in active transform
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Boolean}
+     */
     isTransforming: function() {
       return this._transforming;
     },
+    /**
+     * Stop active transform action
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Boolean}
+     */
     stopTransform: function() {
       if (this._transforming) {
         this._removeEvents();
diff --git a/konva.min.js b/konva.min.js
index 2597566e..d19b17cd 100644
--- a/konva.min.js
+++ b/konva.min.js
@@ -2,7 +2,7 @@
  * Konva JavaScript Framework v2.0.3
  * http://konvajs.github.io/
  * Licensed under the MIT
- * Date: Fri May 04 2018
+ * Date: Mon May 07 2018
  *
  * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
  * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -23,4 +23,4 @@
      * @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{for(e=(u-1)*f,n=d;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]=255<s?255:s,l[i+1]=255<h?255:h,l[i+2]=255<c?255:c,l[i+3]=l[i+3],--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];127<h&&(h=255-h),127<c&&(c=255-c),127<l&&(l=255-l),e[s]=h,e[s+1]=c,e[s+2]=l}while(--o)}while(--a)}}(),function(){"use strict";Konva.Filters.Kaleidoscope=function(t){var e,n,i,a,r,o,s,h,c,l=t.width,d=t.height,u=Math.round(this.kaleidoscopePower()),f=Math.round(this.kaleidoscopeAngle()),g=Math.floor(l*(f%360)/360);if(!(u<1)){var v=Konva.Util.createCanvasElement();v.width=l,v.height=d;var p=v.getContext("2d").getImageData(0,0,l,d);!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,g=0,v=0,p=0,m=Math.sqrt(d*d+u*u);a=c-d,r=l-u,m=m<(o=Math.sqrt(a*a+r*r))?o:m;var _,y,S,K,x=l,C=c,b=360/C*Math.PI/180;for(y=0;y<C;y+=1)for(S=Math.sin(y*b),K=Math.cos(y*b),_=0;_<x;_+=1)a=Math.floor(d+m*_/x*K),f=s[0+(i=4*((r=Math.floor(u+m*_/x*S))*c+a))],g=s[i+1],v=s[i+2],p=s[i+3],h[0+(i=4*(y+_*c))]=f,h[i+1]=g,h[i+2]=v,h[i+3]=p}(t,p,{polarCenterX:l/2,polarCenterY:d/2});for(var m=l/Math.pow(2,u);m<=8;)m*=2,u-=1;var _=m=Math.ceil(m),y=0,S=_,K=1;for(l<g+m&&(y=_,S=0,K=-1),n=0;n<d;n+=1)for(e=y;e!==S;e+=K)h=4*(l*n+Math.round(e+g)%l),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],c=4*(l*n+e),p.data[c+0]=a,p.data[c+1]=r,p.data[c+2]=o,p.data[c+3]=s;for(n=0;n<d;n+=1)for(_=Math.floor(m),i=0;i<u;i+=1){for(e=0;e<_+1;e+=1)h=4*(l*n+e),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],c=4*(l*n+2*_-e-1),p.data[c+0]=a,p.data[c+1]=r,p.data[c+2]=o,p.data[c+3]=s;_*=2}!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,g=n.polarCenterY||u/2,v=0,p=0,m=0,_=0,y=Math.sqrt(f*f+g*g);a=d-f,r=u-g,y=y<(h=Math.sqrt(a*a+r*r))?h:y;var S,K,x,C=u,b=d,w=n.polarRotation||0;for(a=0;a<d;a+=1)for(r=0;r<u;r+=1)o=a-f,s=r-g,S=Math.sqrt(o*o+s*s)*C/y,K=(K=(180*Math.atan2(s,o)/Math.PI+360+w)%360)*b/360,x=Math.floor(K),v=c[0+(i=4*(Math.floor(S)*d+x))],p=c[i+1],m=c[i+2],_=c[i+3],l[0+(i=4*(r*d+a))]=v,l[i+1]=p,l[i+2]=m,l[i+3]=_}(p,t,{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(t){"use strict";t.Filters.Contrast=function(t){var e,n=Math.pow((parseInt(this.contrast())+100)/100,2),i=t.data,a=i.length,r=150,o=150,s=150;for(e=0;e<a;e+=4)r=i[e],o=i[e+1],s=i[e+2],r/=255,r-=.5,r*=n,r+=.5,o/=255,o-=.5,o*=n,o+=.5,s/=255,s-=.5,s*=n,s+=.5,r=(r*=255)<0?0:255<r?255:r,o=(o*=255)<0?0:255<o?255:o,s=(s*=255)<0?0:255<s?255:s,i[e]=r,i[e+1]=o,i[e+2]=s},t.Factory.addGetterSetter(t.Node,"contrast",0,null,t.Factory.afterSetFilter)}(Konva),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(e){if(!e)return this.children;var n=new Konva.Collection;return this.children.each(function(t){e(t)&&n.push(t)}),n},hasChildren:function(){return 0<this.getChildren().length},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(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}if(t.getParent())return t.moveTo(this),this;var 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){return this._generalFind(t,!1)},findOne:function(t){var e=this._generalFind(t,!0);return 0<e.length?e[0]:void 0},_generalFind:function(t,e){var n=[];return"string"==typeof t?n=this._findByString(t,e):"function"==typeof t&&(n=this._findByFunction(t,e)),Konva.Collection.toCollection(n)},_findByString: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 h},_findByFunction:function(a,r){var o=[],s=function(t){if(!(r&&0<o.length)){var e=t.getChildren(),n=e.length;a(t)&&(o=o.concat(t));for(var i=0;i<n;i++)s(e[i])}};return s(this),o},_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(e){var n=[];return this.find("Shape").each(function(t){t.isVisible()&&t.intersects(e)&&n.push(t)}),n},_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)&&(!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)||n)&&(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(e,n,i,a,r){var t,o,s=this.getLayer(),h=e&&e.getContext(),c=this.getClipWidth(),l=this.getClipHeight(),d=this.getClipFunc(),u=c&&l||d;if(u&&s){h.save();var f=this.getAbsoluteTransform(i),g=f.getMatrix();h.transform(g[0],g[1],g[2],g[3],g[4],g[5]),h.beginPath(),d?d.call(this,h,this):(t=this.getClipX(),o=this.getClipY(),h.rect(t,o,c,l)),h.clip(),g=f.copy().invert().getMatrix(),h.transform(g[0],g[1],g[2],g[3],g[4],g[5])}this.children.each(function(t){t[n](e,i,a,r)}),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 n,i,a,r,e=(t=t||{}).skipTransform,o=t.relativeTo,s={x:0,y:0,width:0,height:0},h=this;this.children.each(function(t){if(t.getVisible()){var e=t.getClientRect({relativeTo:h});void 0===n?(n=e.x,i=e.y,a=e.x+e.width,r=e.y+e.height):(n=Math.min(n,e.x),i=Math.min(i,e.y),a=Math.max(a,e.x+e.width),r=Math.max(r,e.y+e.height))}});for(var c=this.find("Shape"),l=!1,d=0;d<c.length;d++){if(c[d].getVisible()){l=!0;break}}return l&&(s={x:n,y:i,width:a-n,height:r-i}),e?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(f){"use strict";var t="hasShadow",e="shadowRGBA";function i(t){t.fill()}function a(t){t.stroke()}function r(t){t.fill()}function o(t){t.stroke()}function s(){this._clearCache(t)}function h(){this._clearCache(e)}f.Shape=function(t){this.__init(t)},f.Util.addMethods(f.Shape,{__init:function(t){this.nodeType="Shape",this._fillFunc=i,this._strokeFunc=a,this._fillFuncHit=r,this._strokeFuncHit=o;for(var e,n=f.shapes;!(e=f.Util.getRandomColor())||e in n;);n[this.colorKey=e]=this,f.Node.call(this,t),this.on("shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",s),this.on("shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",h)},hasChildren:function(){return!1},getChildren:function(){return[]},getContext:function(){return this.getLayer().getContext()},getCanvas:function(){return this.getLayer().getCanvas()},hasShadow:function(){return this._getCache(t,this._hasShadow)},_hasShadow:function(){return this.getShadowEnabled()&&0!==this.getShadowOpacity()&&!!(this.getShadowColor()||this.getShadowBlur()||this.getShadowOffsetX()||this.getShadowOffsetY())},getShadowRGBA:function(){return this._getCache(e,this._getShadowRGBA)},_getShadowRGBA:function(){if(this.hasShadow()){var t=f.Util.colorToRGBA(this.shadowColor());return"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.getShadowOpacity()||1)+")"}},hasFill:function(){return!!(this.getFill()||this.getFillPatternImage()||this.getFillLinearGradientColorStops()||this.getFillRadialGradientColorStops())},hasStroke:function(){return this.strokeEnabled()&&!(!this.stroke()&&!this.getStrokeLinearGradientColorStops())},intersects:function(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e),0<e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]},destroy:function(){return f.Node.prototype.destroy.call(this),delete f.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,g=0;Math.round(a/2)!==a/2&&(g=1);var v={width:u+g,height:f+g,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?v:this._transformedRect(v,n)},drawScene:function(t,e,n,i){var a,r,o=this.getLayer(),s=t||o.getCanvas(),h=s.getContext(),c=this._cache.canvas,l=this.sceneFunc(),d=this.hasShadow(),u=this.hasStroke();if(!this.isVisible()&&!n)return this;if(c)return h.save(),o._applyTransform(this,h,e),this._drawCachedSceneCanvas(h),h.restore(),this;if(!l)return this;if(h.save(),this._useBufferCanvas(n)&&!i){if((r=(a=this.getStage().bufferCanvas).getContext()).clear(),r.save(),r._applyLineJoin(this),!n)if(o)o._applyTransform(this,r,e);else{var f=this.getAbsoluteTransform(e).getMatrix();h.transform(f[0],f[1],f[2],f[3],f[4],f[5])}l.call(this,r),r.restore();var g=a.pixelRatio;d&&!s.hitCanvas?(h.save(),h._applyShadow(this),h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(a._canvas,0,0,a.width/g,a.height/g),h.restore()):(h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(a._canvas,0,0,a.width/g,a.height/g))}else{if(h._applyLineJoin(this),!n)if(o)o._applyTransform(this,h,e);else{var v=this.getAbsoluteTransform(e).getMatrix();h.transform(v[0],v[1],v[2],v[3],v[4],v[5])}d&&u&&!s.hitCanvas?(h.save(),n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h),h.restore(),this.hasFill()&&this.getShadowForStrokeEnabled()&&l.call(this,h)):d&&!s.hitCanvas?(h.save(),n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h),h.restore()):(n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),l.call(this,h))}return h.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)&&!n)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(t){var e,n,i,a,r,o=t||0,s=this._cache.canvas,h=this._getCachedSceneCanvas(),c=s.hit,l=c.getContext(),d=c.getWidth(),u=c.getHeight();l.clear(),l.drawImage(h._canvas,0,0,d,u);try{for(i=(n=(e=l.getImageData(0,0,d,u)).data).length,a=f.Util._hexToRgb(this.colorKey),r=0;r<i;r+=4)o<n[r+3]?(n[r]=a.r,n[r+1]=a.g,n[r+2]=a.b,n[r+3]=255):n[r+3]=0;l.putImageData(e,0,0)}catch(t){f.Util.error("Unable to draw hit graph from cached scene canvas. "+t.message)}return this}}),f.Util.extend(f.Shape,f.Node),f.Factory.addGetterSetter(f.Shape,"stroke"),f.Factory.addGetterSetter(f.Shape,"strokeWidth",2),f.Factory.addGetterSetter(f.Shape,"strokeHitEnabled",!0),f.Factory.addGetterSetter(f.Shape,"perfectDrawEnabled",!0),f.Factory.addGetterSetter(f.Shape,"shadowForStrokeEnabled",!0),f.Factory.addGetterSetter(f.Shape,"lineJoin"),f.Factory.addGetterSetter(f.Shape,"lineCap"),f.Factory.addGetterSetter(f.Shape,"sceneFunc"),f.Factory.addGetterSetter(f.Shape,"hitFunc"),f.Factory.addGetterSetter(f.Shape,"dash"),f.Factory.addGetterSetter(f.Shape,"dashOffset",0),f.Factory.addGetterSetter(f.Shape,"shadowColor"),f.Factory.addGetterSetter(f.Shape,"shadowBlur"),f.Factory.addGetterSetter(f.Shape,"shadowOpacity"),f.Factory.addComponentsGetterSetter(f.Shape,"shadowOffset",["x","y"]),f.Factory.addGetterSetter(f.Shape,"shadowOffsetX",0),f.Factory.addGetterSetter(f.Shape,"shadowOffsetY",0),f.Factory.addGetterSetter(f.Shape,"fillPatternImage"),f.Factory.addGetterSetter(f.Shape,"fill"),f.Factory.addGetterSetter(f.Shape,"fillPatternX",0),f.Factory.addGetterSetter(f.Shape,"fillPatternY",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartRadius",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndRadius",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"fillPatternRepeat","repeat"),f.Factory.addGetterSetter(f.Shape,"fillEnabled",!0),f.Factory.addGetterSetter(f.Shape,"strokeEnabled",!0),f.Factory.addGetterSetter(f.Shape,"shadowEnabled",!0),f.Factory.addGetterSetter(f.Shape,"dashEnabled",!0),f.Factory.addGetterSetter(f.Shape,"strokeScaleEnabled",!0),f.Factory.addGetterSetter(f.Shape,"fillPriority","color"),f.Factory.addComponentsGetterSetter(f.Shape,"fillPatternOffset",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillPatternOffsetX",0),f.Factory.addGetterSetter(f.Shape,"fillPatternOffsetY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillPatternScale",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillPatternScaleX",1),f.Factory.addGetterSetter(f.Shape,"fillPatternScaleY",1),f.Factory.addComponentsGetterSetter(f.Shape,"fillLinearGradientStartPoint",["x","y"]),f.Factory.addComponentsGetterSetter(f.Shape,"strokeLinearGradientStartPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientStartPointY",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientStartPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillLinearGradientEndPoint",["x","y"]),f.Factory.addComponentsGetterSetter(f.Shape,"strokeLinearGradientEndPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientEndPointY",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientEndPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillRadialGradientStartPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillRadialGradientEndPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndPointY",0),f.Factory.addGetterSetter(f.Shape,"fillPatternRotation",0),f.Factory.backCompat(f.Shape,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"}),f.Collection.mapMethods(f.Shape)}(Konva),function(){"use strict";var n="mouseout",i="mouseleave",a="mouseover",r="mousemove",o="mousedown",s="mouseup",h="contextmenu",c="dblclick",l="touchstart",d="touchend",u="touchmove",f="wheel",g="_",e=[o,r,s,n,l,u,d,a,f,h],v=e.length;function p(e,n){e.content.addEventListener(n,function(t){e[g+n](t)},!1)}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-1<e&&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||1}),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;0<=n;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(1<arguments.length){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 t=0;t<v;t++)p(this,e[t])},_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(n,{evt:t}),e._fireAndBubble(i,{evt:t}),this.targetShape=null),this.pointerPos=void 0,this._fire("contentMouseout",{evt:t})}},_mousemove:function(t){return Konva.UA.ieMobile?this._touchmove(t):void 0===t.movementX&&void 0===t.movementY||0!==t.movementY||0!==t.movementX?Konva.UA.mobile?null:(this._setPointerPosition(t),Konva.isDragging()||((e=this.getIntersection(this.getPointerPosition()))&&e.isListening()?Konva.isDragging()||this.targetShape&&this.targetShape._id===e._id?e._fireAndBubble(r,{evt:t}):(this.targetShape&&(this.targetShape._fireAndBubble(n,{evt:t},e),this.targetShape._fireAndBubble(i,{evt:t},e)),e._fireAndBubble(a,{evt:t},this.targetShape),e._fireAndBubble("mouseenter",{evt:t},this.targetShape),this.targetShape=e):(this.targetShape&&!Konva.isDragging()&&(this.targetShape._fireAndBubble(n,{evt:t}),this.targetShape._fireAndBubble(i,{evt:t}),this.targetShape=null),this._fire(r,{evt:t,target:this,currentTarget:this})),this._fire("contentMousemove",{evt:t})),void(t.cancelable&&t.preventDefault())):null;var e},_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)._fireAndBubble(o,{evt:t}):this._fire(o,{evt:t,target:this,currentTarget:this}),this._fire("contentMousedown",{evt:t})}t.cancelable&&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,clearTimeout(this.dblTimeout)):r&&r.justDragged?r&&(r.justDragged=!1):Konva.inDblClickWindow=!0,this.dblTimeout=setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()?((this.clickEndShape=e)._fireAndBubble(s,{evt:t}),Konva.listenClickTap&&n&&n._id===e._id&&(e._fireAndBubble("click",{evt:t}),a&&i&&i._id===e._id&&e._fireAndBubble(c,{evt:t}))):(this._fire(s,{evt:t,target:this,currentTarget:this}),this._fire("click",{evt:t,target:this,currentTarget:this}),a&&this._fire(c,{evt:t,target:this,currentTarget:this})),this._fire("contentMouseup",{evt:t}),Konva.listenClickTap&&(this._fire("contentClick",{evt:t}),a&&this._fire("contentDblclick",{evt:t})),Konva.listenClickTap=!1}t.cancelable&&t.preventDefault()},_contextmenu:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(h,{evt:t}):this._fire(h,{evt:t,target:this,currentTarget:this}),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)._fireAndBubble(l,{evt:t}),e.isListening()&&e.preventDefault()&&t.cancelable&&t.preventDefault()):this._fire(l,{evt:t,target:this,currentTarget:this}),this._fire("contentTouchstart",{evt:t})},_touchend:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition()),n=!1;Konva.inDblClickWindow?(n=!0,clearTimeout(this.dblTimeout)):Konva.inDblClickWindow=!0,this.dblTimeout=setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()?(e._fireAndBubble(d,{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.cancelable&&t.preventDefault()):(this._fire(d,{evt:t,target:this,currentTarget:this}),this._fire("tap",{evt:t,target:this,currentTarget:this}),n&&this._fire("dbltap",{evt:t,target:this,currentTarget:this})),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(u,{evt:t}),e.isListening()&&e.preventDefault()&&t.cancelable&&t.preventDefault()):this._fire(u,{evt:t,target:this,currentTarget:this}),this._fire("contentTouchmove",{evt:t})),n&&Konva.isDragging()&&Konva.DD.node.preventDefault()&&t.cancelable&&t.preventDefault()},_wheel:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(f,{evt:t}):this._fire(f,{evt:t,target:this,currentTarget:this}),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(0<t.touches.length){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(n){"use strict";n.BaseLayer=function(t){this.___init(t)},n.Util.addMethods(n.BaseLayer,{___init:function(t){this.nodeType="Layer",n.Container.call(this,t)},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(t){n.Node.prototype.setZIndex.call(this,t);var e=this.getStage();return e&&(e.content.removeChild(this.getCanvas()._canvas),t<e.getChildren().length-1?e.content.insertBefore(this.getCanvas()._canvas,e.getChildren()[t+1].getCanvas()._canvas):e.content.appendChild(this.getCanvas()._canvas)),this},moveToTop:function(){n.Node.prototype.moveToTop.call(this);var t=this.getStage();return t&&(t.content.removeChild(this.getCanvas()._canvas),t.content.appendChild(this.getCanvas()._canvas)),this},moveUp:function(){if(!n.Node.prototype.moveUp.call(this))return this;var t=this.getStage();return t&&(t.content.removeChild(this.getCanvas()._canvas),this.index<t.getChildren().length-1?t.content.insertBefore(this.getCanvas()._canvas,t.getChildren()[this.index+1].getCanvas()._canvas):t.content.appendChild(this.getCanvas()._canvas)),this},moveDown:function(){if(n.Node.prototype.moveDown.call(this)){var t=this.getStage();if(t){var e=t.getChildren();t.content.removeChild(this.getCanvas()._canvas),t.content.insertBefore(this.getCanvas()._canvas,e[this.index+1].getCanvas()._canvas)}}return this},moveToBottom:function(){if(n.Node.prototype.moveToBottom.call(this)){var t=this.getStage();if(t){var e=t.getChildren();t.content.removeChild(this.getCanvas()._canvas),t.content.insertBefore(this.getCanvas()._canvas,e[1].getCanvas()._canvas)}}return this},getLayer:function(){return this},remove:function(){var t=this.getCanvas()._canvas;return n.Node.prototype.remove.call(this),t&&t.parentNode&&n.Util._isInDocument(t)&&t.parentNode.removeChild(t),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(){n.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(){n.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])}}),n.Util.extend(n.BaseLayer,n.Container),n.Factory.addGetterSetter(n.BaseLayer,"clearBeforeDraw",!0),n.Collection.mapMethods(n.BaseLayer)}(Konva),function(){"use strict";var h=[{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}],c=h.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(t,e){var n,i,a,r;if(!this.hitGraphEnabled()||!this.isVisible())return null;for(var o=1,s=!1;;){for(i=0;i<c;i++){if(a=h[i],(r=(n=this._getIntersection({x:t.x+a.x*o,y:t.y+a.y*o})).shape)&&e)return r.findAncestor(e,!0);if(r)return r;if(s=!!n.antialiased,!n.antialiased)break}if(!s)return null;o+=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}):0<r?{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(i){"use strict";var l=i.global.performance&&i.global.performance.now?function(){return i.global.performance.now()}:function(){return(new Date).getTime()};function t(t){setTimeout(t,1e3/60)}var e=i.global.requestAnimationFrame||i.global.webkitRequestAnimationFrame||i.global.mozRequestAnimationFrame||i.global.oRequestAnimationFrame||i.global.msRequestAnimationFrame||t;function n(){return e.apply(i.global,arguments)}i.Animation=function(t,e){var n=i.Animation;this.func=t,this.setLayers(e),this.id=n.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:l()}},i.Animation.prototype={setLayers:function(t){var e=[];return e=t?0<t.length?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 t,e=i.Animation.animations,n=e.length;for(t=0;t<n;t++)if(e[t].id===this.id)return!0;return!1},start:function(){var t=i.Animation;return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=l(),t._addAnimation(this),this},stop:function(){return i.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}},i.Animation.animations=[],i.Animation.animIdCounter=0,i.Animation.animRunning=!1,i.Animation._addAnimation=function(t){this.animations.push(t),this._handleAnimation()},i.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}},i.Animation._runFrames=function(){var t,e,n,i,a,r,o,s,h={},c=this.animations;for(i=0;i<c.length;i++)if(e=(t=c[i]).layers,n=t.func,t._updateFrameObject(l()),r=e.length,!n||!1!==n.call(t,t.frame))for(a=0;a<r;a++)void 0!==(o=e[a])._id&&(h[o._id]=o);for(s in h)h.hasOwnProperty(s)&&h[s].draw()},i.Animation._animationLoop=function(){var t=i.Animation;t.animations.length?(t._runFrames(),n(t._animationLoop)):t.animRunning=!1},i.Animation._handleAnimation=function(){this.animRunning||(this.animRunning=!0,n(this._animationLoop))},i.BaseLayer.prototype.batchDraw=function(){var t=this,e=i.Animation;return this.batchAnim||(this.batchAnim=new e(function(){t.batchAnim.stop()},this)),this.batchAnim.isRunning()||this.batchAnim.start(),this},i.Stage.prototype.batchDraw=function(){return this.getChildren().each(function(t){t.batchDraw()}),this}}(Konva),function(){"use strict";var c={node:1,duration:1,easing:1,onFinish:1,yoyo:1},l=0,u=["fill","stroke","shadowColor"],d=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()};d.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(t){var e,n,i=this,a=t.node,r=a._id,o=t.easing||Konva.Easings.Linear,s=!!t.yoyo;e=void 0===t.duration?1:0===t.duration?.001:t.duration,this.node=a,this._id=l++;var h=a.getLayer()||(a instanceof Konva.Stage?a.getLayers():null);for(n in h||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(){i.tween.onEnterFrame()},h),this.tween=new d(n,function(t){i._tweenFunc(t)},o,0,1,1e3*e,s),this._addListeners(),Konva.Tween.attrs[r]||(Konva.Tween.attrs[r]={}),Konva.Tween.attrs[r][this._id]||(Konva.Tween.attrs[r][this._id]={}),Konva.Tween.tweens[r]||(Konva.Tween.tweens[r]={}),t)void 0===c[n]&&this._addAttr(n,t[n]);this.reset(),this.onFinish=t.onFinish,this.onReset=t.onReset},Konva.Tween.attrs={},Konva.Tween.tweens={},Konva.Tween.prototype={_addAttr:function(t,e){var n,i,a,r,o,s,h,c=this.node,l=c._id;if((a=Konva.Tween.tweens[l][t])&&delete Konva.Tween.attrs[l][a][t],n=c.getAttr(t),Konva.Util._isArray(e))for(i=[],o=Math.max(e.length,n.length),"points"===t&&e.length!==n.length&&(e.length>n.length?(h=n,n=Konva.Util._prepareArrayForTween(n,e,c.closed())):(s=e,e=Konva.Util._prepareArrayForTween(e,n,c.closed()))),r=0;r<o;r++)i.push(e[r]-n[r]);else if(-1!==u.indexOf(t)){n=Konva.Util.colorToRGBA(n);var d=Konva.Util.colorToRGBA(e);i={r:d.r-n.r,g:d.g-n.g,b:d.b-n.b,a:d.a-n.a}}else i=e-n;Konva.Tween.attrs[l][this._id][t]={start:n,diff:i,end:e,trueEnd:s,trueStart:h},Konva.Tween.tweens[l][t]=this._id},_tweenFunc:function(t){var e,n,i,a,r,o,s,h,c=this.node,l=Konva.Tween.attrs[c._id][this._id];for(e in l){if(i=(n=l[e]).start,a=n.diff,h=n.end,Konva.Util._isArray(i))for(r=[],s=Math.max(i.length,h.length),o=0;o<s;o++)r.push((i[o]||0)+a[o]*t);else r=-1!==u.indexOf(e)?"rgba("+Math.round(i.r+a.r*t)+","+Math.round(i.g+a.g*t)+","+Math.round(i.b+a.b*t)+","+(i.a+a.a*t)+")":i+a*t;c.setAttr(e,r)}},_addListeners:function(){var n=this;this.tween.onPlay=function(){n.anim.start()},this.tween.onReverse=function(){n.anim.start()},this.tween.onPause=function(){n.anim.stop()},this.tween.onFinish=function(){var t=n.node,e=Konva.Tween.attrs[t._id][n._id];e.points&&e.points.trueEnd&&t.points(e.points.trueEnd),n.onFinish&&n.onFinish.call(n)},this.tween.onReset=function(){var t=n.node,e=Konva.Tween.attrs[t._id][n._id];e.points&&e.points.trueStart&&t.points(e.points.trueStart),n.onReset&&n.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];for(t in this.pause(),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){return n*(t/=i)*t*(2.70158*t-1.70158)+e},BackEaseOut:function(t,e,n,i){return n*((t=t/i-1)*t*(2.70158*t+1.70158)+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 e=Konva.Node.prototype.remove;if(Konva.Node.prototype.__originalRemove=e,Konva.Node.prototype.remove=function(){var t=Konva.DD;t.node&&t.node._id===this._id&&this.stopDrag(),e.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 e=this;this._dragCleanup(),"Stage"===this.getClassName()?this.on("contentMousedown.konva contentTouchstart.konva",function(t){Konva.DD.node||e.startDrag(t)}):this.on("mousedown.konva touchstart.konva",function(t){1!==t.evt.button&&2!==t.evt.button&&(Konva.DD.node||e.startDrag(t))})},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 t=Konva.document.documentElement;t.addEventListener("mouseup",Konva.DD._endDragBefore,!0),t.addEventListener("touchend",Konva.DD._endDragBefore,!0),t.addEventListener("mousemove",Konva.DD._drag),t.addEventListener("touchmove",Konva.DD._drag),t.addEventListener("mouseup",Konva.DD._endDragAfter,!1),t.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(e){"use strict";var n=2*Math.PI-1e-4;e.Circle=function(t){this.___init(t)},e.Circle.prototype={_centroid:!0,___init:function(t){e.Shape.call(this,t),this.className="Circle",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){t.beginPath(),t.arc(0,0,this.getRadius(),0,n,!1),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadius()},getHeight:function(){return 2*this.getRadius()},setWidth:function(t){e.Node.prototype.setWidth.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)},setHeight:function(t){e.Node.prototype.setHeight.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)}},e.Util.extend(e.Circle,e.Shape),e.Factory.addGetterSetter(e.Circle,"radius",0),e.Factory.addOverloadedGetterSetter(e.Circle,"radius"),e.Collection.mapMethods(e.Circle)}(Konva),function(){"use strict";var i=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(t){var e=this.getRadiusX(),n=this.getRadiusY();t.beginPath(),t.save(),e!==n&&t.scale(1,n/e),t.arc(0,0,e,0,i,!1),t.restore(),t.closePath(),t.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 e=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(t){t.beginPath(),t.arc(0,0,this.getInnerRadius(),0,e,!1),t.moveTo(this.getOuterRadius(),0),t.arc(0,0,this.getOuterRadius(),e,0,!0),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)},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(i){"use strict";i.Arc=function(t){this.___init(t)},i.Arc.prototype={_centroid:!0,___init:function(t){i.Shape.call(this,t),this.className="Arc",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=i.getAngle(this.angle()),n=this.clockwise();t.beginPath(),t.arc(0,0,this.getOuterRadius(),0,e,n),t.arc(0,0,this.getInnerRadius(),e,0,!n),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getOuterRadius()},getHeight:function(){return 2*this.getOuterRadius()},setWidth:function(t){i.Node.prototype.setWidth.call(this,t),this.getOuterRadius()!==t/2&&this.setOuterRadius(t/2)},setHeight:function(t){i.Node.prototype.setHeight.call(this,t),this.getOuterRadius()!==t/2&&this.setOuterRadius(t/2)}},i.Util.extend(i.Arc,i.Shape),i.Factory.addGetterSetter(i.Arc,"innerRadius",0),i.Factory.addGetterSetter(i.Arc,"outerRadius",0),i.Factory.addGetterSetter(i.Arc,"angle",0),i.Factory.addGetterSetter(i.Arc,"clockwise",!1),i.Collection.mapMethods(i.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.crossOrigin="Anonymous",n.src=t}}(),function(){"use strict";var t,M="auto",y="justify",e="2d",n=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],i=n.length;function k(){return t||(t=Konva.Util.createCanvasElement().getContext(e))}function a(t){t.fillText(this.partialText,0,0)}function r(t){t.strokeText(this.partialText,0,0)}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=a,this._strokeFunc=r,this.className="Text";for(var e=0;e<i;e++)this.on(n[e]+"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"),n?(t.translate(n,0),t.translate(0,n+a/2)):t.translate(0,a/2),e=0;e<o;e++){var f=r[e],g=f.text,v=f.width;if(t.save(),"right"===s?t.translate(h-v-2*n,0):"center"===s&&t.translate((h-v-2*n)/2,0),-1!==l.indexOf("underline")&&(t.save(),t.beginPath(),t.moveTo(0,Math.round(a/2)),t.lineTo(Math.round(v),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(v),0),t.lineWidth=u/15,t.strokeStyle=d,t.stroke(),t.restore()),0!==c||s===y)for(var p=g.split(" ").length-1,m=0;m<g.length;m++){var _=g[m];" "===_&&e!==o-1&&s===y&&t.translate(Math.floor((h-v)/p),0),this.partialText=_,t.fillStrokeShape(this),t.translate(Math.round(this._getTextSize(_).width)+c,0)}else this.partialText=g,t.fillStrokeShape(this);t.restore(),1<o&&t.translate(0,a)}},_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 this.attrs.width===M||void 0===this.attrs.width?this.getTextWidth()+2*this.getPadding():this.attrs.width},getHeight:function(){return this.attrs.height===M||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(t){var e,n=k(),i=this.getFontSize();return n.save(),n.font=this._getContextFont(),e=n.measureText(t),n.restore(),{width:e.width,height:parseInt(i,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){this.align()===y&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})},_getTextWidth:function(t){var e=this.getLetterSpacing(),n=t.length;return k().measureText(t).width+(n?e*(n-1):0)},_setTextData:function(){var t=this.getText().split("\n"),e=+this.getFontSize(),n=0,i=this.getLineHeight()*e,a=this.attrs.width,r=this.attrs.height,o=a!==M,s=r!==M,h=this.getPadding(),c=a-2*h,l=r-2*h,d=0,u=this.getWrap(),f="none"!==u,g="char"!==u&&f,v=this.getEllipsis()&&!f;this.textArr=[],k().font=this._getContextFont();for(var p=0,m=t.length;p<m;++p){var _=t[p],y=v?this._getTextWidth("…"):0,S=this._getTextWidth(_);if(o&&c<S)for(;0<_.length;){for(var K=0,x=_.length,C="",b=0;K<x;){var w=K+x>>>1,F=_.slice(0,w+1),T=this._getTextWidth(F)+y;T<=c?(K=w+1,C=F+(v?"…":""),b=T):x=w}if(!C)break;if(g){var P,A=_[C.length];0<(P=(" "===A||"-"===A)&&b<=c?C.length:Math.max(C.lastIndexOf(" "),C.lastIndexOf("-"))+1)&&(K=P,C=C.slice(0,K),b=this._getTextWidth(C))}if(this._addTextLine(C),n=Math.max(n,b),d+=i,!f||s&&l<d+i)break;if(0<(_=_.slice(K)).length&&(S=this._getTextWidth(_))<=c){this._addTextLine(_),d+=i,n=Math.max(n,S);break}}else this._addTextLine(_),d+=i,n=Math.max(n,S);if(s&&l<d+i)break}this.textHeight=e,this.textWidth=n}},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,"ellipsis",!1),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&&4<r){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=h<s?s:h,g=h<s?1:s/h,v=h<s?h/s:1;t.translate(r,o),t.rotate(d),t.scale(g,v),t.arc(0,0,f,c,c+l,1-u),t.scale(1/g,1/v),t.rotate(-d),t.translate(-r,-o);break;case"z":t.closePath()}}t.fillStrokeShape(this)},getSelfRect:function(){var e=[];this.dataArray.forEach(function(t){e=e.concat(t.points)});for(var t,n,i=e[0],a=e[0],r=e[1],o=e[1],s=0;s<e.length/2;s++)t=e[2*s],n=e[2*s+1],i=Math.min(i,t),a=Math.max(a,t),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 g=(r-e)*(i-e)+(o-n)*(a-n);d=e+(g/=f*f)*(i-e),u=n+g*(a-n);var v=this.getLineLength(r,o,d,u),p=Math.sqrt(t*t-v*v);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=n*Math.cos(a),c=i*Math.sin(a);return{x:t+(h*o-c*s),y:e+(h*s+c*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,r=e.split("|"),o=[],s=[],h=0,c=0,l=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi;for(i=1;i<r.length;i++){var d=r[i],u=d.charAt(0);for(d=d.slice(1),s.length=0;a=l.exec(d);)s.push(a[0]);for(var f=[],g=0,v=s.length;g<v;g++){var p=parseFloat(s[g]);isNaN(p)||f.push(p)}for(;0<f.length&&!isNaN(f[0]);){var m,_,y,S,K,x,C,b,w,F,T=null,P=[],A=h,M=c;switch(u){case"l":h+=f.shift(),c+=f.shift(),T="L",P.push(h,c);break;case"L":h=f.shift(),c=f.shift(),P.push(h,c);break;case"m":var k=f.shift(),G=f.shift();if(h+=k,c+=G,T="M",2<o.length&&"z"===o[o.length-1].command)for(var R=o.length-2;0<=R;R--)if("M"===o[R].command){h=o[R].points[0]+k,c=o[R].points[1]+G;break}P.push(h,c),u="l";break;case"M":h=f.shift(),c=f.shift(),T="M",P.push(h,c),u="L";break;case"h":h+=f.shift(),T="L",P.push(h,c);break;case"H":h=f.shift(),T="L",P.push(h,c);break;case"v":c+=f.shift(),T="L",P.push(h,c);break;case"V":c=f.shift(),T="L",P.push(h,c);break;case"C":P.push(f.shift(),f.shift(),f.shift(),f.shift()),h=f.shift(),c=f.shift(),P.push(h,c);break;case"c":P.push(h+f.shift(),c+f.shift(),h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="C",P.push(h,c);break;case"S":_=h,y=c,"C"===(m=o[o.length-1]).command&&(_=h+(h-m.points[2]),y=c+(c-m.points[3])),P.push(_,y,f.shift(),f.shift()),h=f.shift(),c=f.shift(),T="C",P.push(h,c);break;case"s":_=h,y=c,"C"===(m=o[o.length-1]).command&&(_=h+(h-m.points[2]),y=c+(c-m.points[3])),P.push(_,y,h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="C",P.push(h,c);break;case"Q":P.push(f.shift(),f.shift()),h=f.shift(),c=f.shift(),P.push(h,c);break;case"q":P.push(h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="Q",P.push(h,c);break;case"T":_=h,y=c,"Q"===(m=o[o.length-1]).command&&(_=h+(h-m.points[0]),y=c+(c-m.points[1])),h=f.shift(),c=f.shift(),T="Q",P.push(_,y,h,c);break;case"t":_=h,y=c,"Q"===(m=o[o.length-1]).command&&(_=h+(h-m.points[0]),y=c+(c-m.points[1])),h+=f.shift(),c+=f.shift(),T="Q",P.push(_,y,h,c);break;case"A":S=f.shift(),K=f.shift(),x=f.shift(),C=f.shift(),b=f.shift(),w=h,F=c,h=f.shift(),c=f.shift(),T="A",P=this.convertEndpointToCenterParameterization(w,F,h,c,C,b,S,K,x);break;case"a":S=f.shift(),K=f.shift(),x=f.shift(),C=f.shift(),b=f.shift(),w=h,F=c,h+=f.shift(),c+=f.shift(),T="A",P=this.convertEndpointToCenterParameterization(w,F,h,c,C,b,S,K,x)}o.push({command:T||u,points:P,start:{x:A,y:M},pathLength:this.calcLength(A,M,T||u,P)})}"z"!==u&&"Z"!==u||o.push({command:"z",points:[],start:void 0,pathLength:0})}return o},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;d<s;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);1<u&&(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 g=f*o*d/s,v=f*-s*l/o,p=(t+n)/2+Math.cos(c)*g-Math.sin(c)*v,m=(e+i)/2+Math.sin(c)*g+Math.cos(c)*v,_=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-g)/o,(d-v)/s]),x=[(l-g)/o,(d-v)/s],C=[(-1*l-g)/o,(-1*d-v)/s],b=S(x,C);return y(x,C)<=-1&&(b=Math.PI),1<=y(x,C)&&(b=0),0===r&&0<b&&(b-=2*Math.PI),1===r&&b<0&&(b+=2*Math.PI),[p,m,o,s,K,b,c,r]},Konva.Factory.addGetterSetter(Konva.Path,"data"),Konva.Collection.mapMethods(Konva.Path)}(),function(){"use strict";function n(t){t.fillText(this.partialText,0,0)}function i(t){t.strokeText(this.partialText,0,0)}Konva.TextPath=function(t){this.___init(t)},Konva.TextPath.prototype={___init:function(t){var e=this;this.dummyCanvas=Konva.Util.createCanvasElement(),this.dataArray=[],this.getKerning=t&&t.getKerning,Konva.Shape.call(this,t),this._fillFunc=n,this._strokeFunc=i,this._fillFuncHit=n,this._strokeFuncHit=i,this.className="TextPath",this.dataArray=Konva.Path.parsePathData(this.attrs.data),this.on("dataChange.konva",function(){e.dataArray=Konva.Path.parsePathData(this.attrs.data),e._setTextData()}),this.on("textChange.konva alignChange.konva letterSpacingChange.konva",e._setTextData),e._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(1<=e.length){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 c=this,t=this._getTextSize(this.attrs.text),l=this.getLetterSpacing(),d=this.align();this.textWidth=t.width,this.textHeight=t.height;var u=Math.max(this.textWidth+((this.attrs.text||"").length-1)*l,0);this.glyphInfo=[];for(var f=0,e=0;e<c.dataArray.length;e++)0<c.dataArray[e].pathLength&&(f+=c.dataArray[e].pathLength);var n=0;"center"===d&&(n=Math.max(0,f/2-u/2)),"right"===d&&(n=Math.max(0,f-u));for(var g,v,p,i=this.getText().split(""),m=this.getText().split(" ").length-1,a=-1,_=0,y=function(){_=0;for(var t=c.dataArray,e=a+1;e<t.length;e++){if(0<t[e].pathLength)return t[a=e];"M"===t[e].command&&(g={x:t[e].points[0],y:t[e].points[1]})}return{}},r=function(t){var e=c._getTextSize(t).width+l;" "===t&&"justify"===d&&(e+=(f-u)/m);var n=0,i=0;for(v=void 0;.01<Math.abs(e-n)/e&&i<25;){i++;for(var a=n;void 0===p;)(p=y())&&a+p.pathLength<e&&(a+=p.pathLength,p=void 0);if(p==={}||void 0===g)return;var r=!1;switch(p.command){case"L":Konva.Path.getLineLength(g.x,g.y,p.points[0],p.points[1])>e?v=Konva.Path.getPointOnLine(e,g.x,g.y,p.points[0],p.points[1],g.x,g.y):p=void 0;break;case"A":var o=p.points[4],s=p.points[5],h=p.points[4]+s;0===_?_=o+1e-8:n<e?_+=Math.PI/180*s/Math.abs(s):_-=Math.PI/360*s/Math.abs(s),(s<0&&_<h||0<=s&&h<_)&&(_=h,r=!0),v=Konva.Path.getPointOnEllipticalArc(p.points[0],p.points[1],p.points[2],p.points[3],_,p.points[6]);break;case"C":0===_?_=e>p.pathLength?1e-8:e/p.pathLength:n<e?_+=(e-n)/p.pathLength:_-=(n-e)/p.pathLength,1<_&&(_=1,r=!0),v=Konva.Path.getPointOnCubicBezier(_,p.start.x,p.start.y,p.points[0],p.points[1],p.points[2],p.points[3],p.points[4],p.points[5]);break;case"Q":0===_?_=e/p.pathLength:n<e?_+=(e-n)/p.pathLength:_-=(n-e)/p.pathLength,1<_&&(_=1,r=!0),v=Konva.Path.getPointOnQuadraticBezier(_,p.start.x,p.start.y,p.points[0],p.points[1],p.points[2],p.points[3])}void 0!==v&&(n=Konva.Path.getLineLength(g.x,g.y,v.x,v.y)),r&&(r=!1,p=void 0)}},o=c._getTextSize("C").width+l,s=0;s<n/o&&(r("C"),void 0!==g&&void 0!==v);s++)g=v;for(var h=0;h<i.length&&(r(i[h]),void 0!==g&&void 0!==v);h++){var S=Konva.Path.getLineLength(g.x,g.y,v.x,v.y),K=0;if(this.getKerning)try{K=this.getKerning(i[h-1],i[h])*this.fontSize()}catch(t){K=0}g.x+=K,v.x+=K,this.textWidth+=K;var x=Konva.Path.getPointOnLine(K+S/2,g.x,g.y,v.x,v.y),C=Math.atan2(v.y-g.y,v.x-g.x);this.glyphInfo.push({transposeX:x.x,transposeY:x.y,text:i[h],rotation:C,p0:g,p1:v}),g=v}},getSelfRect:function(){var e=[];this.glyphInfo.forEach(function(t){e.push(t.p0.x),e.push(t.p0.y),e.push(t.p1.x),e.push(t.p1.y)});for(var t,n,i=e[0],a=e[0],r=e[0],o=e[0],s=0;s<e.length/2;s++)t=e[2*s],n=e[2*s+1],i=Math.min(i,t),a=Math.max(a,t),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 a=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width"],c="right",l="down",d="left",r=a.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(t){var e,n=this,i=function(){n._sync()};for(e=0;e<r;e++)t.on(a[e]+"Change.konva",i)},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(),r=a=0,n){case"up":a=t/2,r=-1*o;break;case c:a=t+i,r=e/2;break;case l:a=t/2,r=e+o;break;case d: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),i===c&&(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),i===l&&(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),i===d&&(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):a===l?o+=i:a===d?(t-=1.5*n,r+=n):a===c&&(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(u){"use strict";u.Arrow=function(t){this.____init(t)},u.Arrow.prototype={____init:function(t){u.Line.call(this,t),this.className="Arrow"},_sceneFunc:function(t){u.Line.prototype._sceneFunc.apply(this,arguments);var e=2*Math.PI,n=this.points(),i=n,a=0!==this.getTension()&&4<n.length;a&&(i=this.getTensionPoints());var r,o,s=n.length;a?(r=n[s-2]-i[s-2],o=n[s-1]-i[s-1]):(r=n[s-2]-n[s-4],o=n[s-1]-n[s-3]);var h=(Math.atan2(o,r)+e)%e,c=this.pointerLength(),l=this.pointerWidth();t.save(),t.beginPath(),t.translate(n[s-2],n[s-1]),t.rotate(h),t.moveTo(0,0),t.lineTo(-c,l/2),t.lineTo(-c,-l/2),t.closePath(),t.restore(),this.pointerAtBeginning()&&(t.save(),t.translate(n[0],n[1]),a?(r=i[0]-n[0],o=i[1]-n[1]):(r=n[2]-n[0],o=n[3]-n[1]),t.rotate((Math.atan2(-o,-r)+e)%e),t.moveTo(0,0),t.lineTo(-c,l/2),t.lineTo(-c,-l/2),t.closePath(),t.restore());var d=this.dashEnabled();d&&(this.attrs.dashEnabled=!1,t.setLineDash([])),t.fillStrokeShape(this),d&&(this.attrs.dashEnabled=!0)}},u.Util.extend(u.Arrow,u.Line),u.Factory.addGetterSetter(u.Arrow,"pointerLength",10),u.Factory.addGetterSetter(u.Arrow,"pointerWidth",10),u.Factory.addGetterSetter(u.Arrow,"pointerAtBeginning",!1),u.Collection.mapMethods(u.Arrow)}(Konva),function(F){"use strict";var e=["resizeEnabledChange","rotateHandlerOffsetChange"].join(" "),n="nodeRect",i=["xChange.resizer","yChange.resizer","widthChange.resizer","heightChange.resizer","scaleXChange.resizer","scaleYChange.resizer","skewXChange.resizer","skewYChange.resizer","rotationChange.resizer","offsetXChange.resizer","offsetYChange.resizer","transformsEnabledChange.resizer"].join(" "),o={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135};F.Transformer=function(t){this.____init(t)};var a=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"],r=!1;F.Transformer.prototype={_centroid:!1,____init:function(t){F.Group.call(this,t),this.className="Transformer",this._createElements(),this._handleMouseMove=this._handleMouseMove.bind(this),this._handleMouseUp=this._handleMouseUp.bind(this),this.update=this.update.bind(this),this.on(e,this.update),r||(F.Util.warn("Konva.Transformer is currently experimental and may have bugs. Please report any issues to GitHub repo."),r=!0),this.getNode()&&this.update()},attachTo:function(t){this.setNode(t)},setNode:function(t){this._node&&this.detach(),this._node=t,this._clearCache(n),t.on(i,function(){this._clearCache(n),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}.bind(this)),!!this.findOne(".top-left")&&this.update()},getNode:function(){return this._node},detach:function(){this.getNode()&&(this.getNode().off(".resizer"),this._node=void 0),this._clearCache(n),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")},_getNodeRect:function(){return this._getCache(n,this.__getNodeRect)},__getNodeRect:function(){var t=this.getNode();if(!t)return{x:-Number.MAX_SAFE_INTEGER,y:-Number.MAX_SAFE_INTEGER,width:0,height:0,rotation:0};var e=t.getClientRect({skipTransform:!0}),n=F.getAngle(t.rotation()),i=e.x*t.scaleX()-t.offsetX(),a=e.y*t.scaleY()-t.offsetY();return{x:t.x()+i*Math.cos(n)+a*Math.sin(-n),y:t.y()+a*Math.cos(n)+i*Math.sin(n),width:e.width*t.scaleX(),height:e.height*t.scaleY(),rotation:t.rotation()}},getX:function(){return this._getNodeRect().x},getY:function(){return this._getNodeRect().y},getRotation:function(){return this._getNodeRect().rotation},getWidth:function(){return this._getNodeRect().width},getHeight:function(){return this._getNodeRect().height},_createElements:function(){this._createBack(),a.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")},_createAnchor:function(a){var r=new F.Rect({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:a,width:10,height:10,offsetX:5,offsetY:5,draggable:!0,dragDistance:0}),e=this;r.on("mousedown touchstart",function(t){e._handleMouseDown(t)}),r.on("mouseenter",function(){var t=this.getLayer(),e=this.getParent(),n=F.getAngle(e.rotation()),i=function(t,e){if("rotater"===t)return"crosshair";e+=F.Util._degToRad(o[t]||0);var n=(F.Util._radToDeg(e)%360+360)%360;return F.Util._inRange(n,337.5,360)||F.Util._inRange(n,0,22.5)?"ns-resize":F.Util._inRange(n,22.5,67.5)?"nesw-resize":F.Util._inRange(n,67.5,112.5)?"ew-resize":F.Util._inRange(n,112.5,157.5)?"nwse-resize":F.Util._inRange(n,157.5,202.5)?"ns-resize":F.Util._inRange(n,202.5,247.5)?"nesw-resize":F.Util._inRange(n,247.5,292.5)?"ew-resize":F.Util._inRange(n,292.5,337.5)?"nwse-resize":(F.Util.error("Transformer has unknown angle for cursor detection: "+n),"pointer")}(a,n);r.getStage().content.style.cursor=i,t.batchDraw()}),r.on("mouseout",function(){var t=this.getLayer();t&&(r.getStage().content.style.cursor="",t.batchDraw())}),this.add(r)},_createBack:function(){var t=new F.Shape({stroke:"rgb(0, 161, 255)",name:"back",width:0,height:0,listening:!1,sceneFunc:function(t){var e=this.getParent(),n=e.getPadding();t.beginPath(),t.rect(-n,-n,this.width()+2*n,this.height()+2*n),t.moveTo(this.width()/2,-n),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateHandlerOffset()*F.Util._sign(this.height())),t.fillStrokeShape(this)}});this.add(t)},_handleMouseDown:function(t){this.movingResizer=t.target.name();var e=this._getNodeRect(),n=e.width,i=e.height,a=Math.sqrt(Math.pow(n,2)+Math.pow(i,2));this.sin=i/a,this.cos=n/a,window.addEventListener("mousemove",this._handleMouseMove),window.addEventListener("touchmove",this._handleMouseMove),window.addEventListener("mouseup",this._handleMouseUp,!0),window.addEventListener("touchend",this._handleMouseUp,!0),this._transforming=!0,this.fire("transformstart"),this.getNode().fire("transformstart")},_handleMouseMove:function(t){var e,n,i,a=this.findOne("."+this.movingResizer),r=a.getStage().getContent().getBoundingClientRect(),o=r.left,s=r.top,h={x:(void 0!==t.clientX?t.clientX:t.touches[0].clientX)-o,y:(void 0!==t.clientX?t.clientY:t.touches[0].clientY)-s};a.setAbsolutePosition(h);var c=this.keepRatio()||t.shiftKey;if("top-left"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-right").x()-a.x(),2)+Math.pow(this.findOne(".bottom-right").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".top-left").x(this.findOne(".bottom-right").x()-e),this.findOne(".top-left").y(this.findOne(".bottom-right").y()-n));else if("top-center"===this.movingResizer)this.findOne(".top-left").y(a.y());else if("top-right"===this.movingResizer){c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-left").x()-a.x(),2)+Math.pow(this.findOne(".bottom-left").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".top-right").x(e),this.findOne(".top-right").y(this.findOne(".bottom-left").y()-n));var l=a.position();this.findOne(".top-left").y(l.y),this.findOne(".bottom-right").x(l.x)}else if("middle-left"===this.movingResizer)this.findOne(".top-left").x(a.x());else if("middle-right"===this.movingResizer)this.findOne(".bottom-right").x(a.x());else if("bottom-left"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".top-right").x()-a.x(),2)+Math.pow(this.findOne(".top-right").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".bottom-left").x(this.findOne(".top-right").x()-e),this.findOne(".bottom-left").y(n)),l=a.position(),this.findOne(".top-left").x(l.x),this.findOne(".bottom-right").y(l.y);else if("bottom-center"===this.movingResizer)this.findOne(".bottom-right").y(a.y());else if("bottom-right"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-right").x(),2)+Math.pow(this.findOne(".bottom-right").y(),2)))*this.cos,n=i*this.sin,this.findOne(".bottom-right").x(e),this.findOne(".bottom-right").y(n));else if("rotater"===this.movingResizer){var d=this.getPadding(),u=this._getNodeRect();e=a.x()-u.width/2,n=-a.y()+u.height/2;var f=Math.atan2(-n,e)+Math.PI/2;u.height<0&&(f-=Math.PI);for(var g=F.getAngle(this.rotation()),v=F.Util._radToDeg(g)+F.Util._radToDeg(f),p=F.getAngle(this.getNode().rotation()),m=F.Util._degToRad(v),_=this.rotationSnaps(),y=0;y<_.length;y++){var S=F.getAngle(_[y]);Math.abs(S-F.Util._degToRad(v))%(2*Math.PI)<.1&&(v=F.Util._radToDeg(S),m=F.Util._degToRad(v))}var K=d,x=d;this._fitNodeInto({rotation:F.angleDeg?v:F.Util._degToRad(v),x:u.x+(u.width/2+d)*(Math.cos(p)-Math.cos(m))+(u.height/2+d)*(Math.sin(-p)-Math.sin(-m))-(K*Math.cos(g)+x*Math.sin(-g)),y:u.y+(u.height/2+d)*(Math.cos(p)-Math.cos(m))+(u.width/2+d)*(Math.sin(p)-Math.sin(m))-(x*Math.cos(g)+K*Math.sin(g)),width:u.width+2*d,height:u.height+2*d})}else console.error(new Error("Wrong position argument of selection resizer: ",this.movingResizer));if("rotater"!==this.movingResizer){var C=this.findOne(".top-left").getAbsolutePosition(this.getParent());e=C.x,n=C.y;var b=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),w=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodeInto({x:e+this.offsetX(),y:n+this.offsetY(),width:b,height:w})}},_handleMouseUp:function(){this._removeEvents()},_removeEvents:function(){this._transforming&&(this._transforming=!1,window.removeEventListener("mousemove",this._handleMouseMove),window.removeEventListener("touchmove",this._handleMouseMove),window.removeEventListener("mouseup",this._handleMouseUp,!0),window.removeEventListener("touchend",this._handleMouseUp,!0),this.fire("transformend"),this.getNode().fire("transformend"))},_fitNodeInto:function(t){var e=this.getBoundBoxFunc();if(e){var n=this._getNodeRect();t=e.call(this,n,t)}this._settings=!0;var i=this.getNode();void 0!==t.rotation&&this.getNode().rotation(t.rotation);var a=i.getClientRect({skipTransform:!0}),r=this.getPadding(),o=(t.width-2*r)/a.width,s=(t.height-2*r)/a.height,h=F.getAngle(i.getRotation()),c=a.x*o-r,l=a.y*s-r;this.getNode().setAttrs({scaleX:o,scaleY:s,x:t.x-(c*Math.cos(h)+l*Math.sin(-h)),y:t.y-(l*Math.cos(h)+c*Math.sin(h))}),this._settings=!1,this.fire("transform"),this.getNode().fire("transform"),this.update(),this.getLayer().batchDraw()},requestUpdate:function(){this.timeout||(this.timeout=setTimeout(function(){this.timeout=null,this.update()}.bind(this)))},forceUpdate:function(){this._clearCache(n),this.update()},update:function(){var t=this._getNodeRect(),e=t.width,n=t.height,i=this.enabledHandlers(),a=this.resizeEnabled(),r=this.getPadding();this.findOne(".top-left").setAttrs({x:-r,y:-r,visible:a&&0<=i.indexOf("top-left")}),this.findOne(".top-center").setAttrs({x:e/2,y:-r,visible:a&&0<=i.indexOf("top-center")}),this.findOne(".top-right").setAttrs({x:e+r,y:-r,visible:a&&0<=i.indexOf("top-right")}),this.findOne(".middle-left").setAttrs({x:-r,y:n/2,visible:a&&0<=i.indexOf("middle-left")}),this.findOne(".middle-right").setAttrs({x:e+r,y:n/2,visible:a&&0<=i.indexOf("middle-right")}),this.findOne(".bottom-left").setAttrs({x:-r,y:n+r,visible:a&&0<=i.indexOf("bottom-left")}),this.findOne(".bottom-center").setAttrs({x:e/2,y:n+r,visible:a&&0<=i.indexOf("bottom-center")}),this.findOne(".bottom-right").setAttrs({x:e+r,y:n+r,visible:a&&0<=i.indexOf("bottom-right")}),this.findOne(".rotater").setAttrs({x:e/2,y:-this.rotateHandlerOffset()*F.Util._sign(n),visible:this.rotateEnabled()}),this.findOne(".back").setAttrs({width:e,height:n,visible:this.lineEnabled()})},isTransforming:function(){return this._transforming},stopTransform:function(){this._transforming&&this._removeEvents()},destroy:function(){F.Group.prototype.destroy.call(this),this.detach(),this._removeEvents()},toObject:function(){return F.Node.prototype.toObject.call(this)}},F.Util.extend(F.Transformer,F.Group),F.Factory.addGetterSetter(F.Transformer,"enabledHandlers",a,function(t){return t instanceof Array||F.Util.warn("enabledHandlers value should be an array"),t instanceof Array&&t.forEach(function(t){-1===a.indexOf(t)&&F.Util.warn("Unknown resizer name: "+t+". Available names are: "+a.join(", "))}),t||[]}),F.Factory.addGetterSetter(F.Transformer,"resizeEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"rotateEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"rotationSnaps",[]),F.Factory.addGetterSetter(F.Transformer,"rotateHandlerOffset",50),F.Factory.addGetterSetter(F.Transformer,"lineEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"keepRatio",!0),F.Factory.addGetterSetter(F.Transformer,"padding",0),F.Factory.addOverloadedGetterSetter(F.Transformer,"node"),F.Factory.addGetterSetter(F.Transformer,"boundBoxFunc"),F.Collection.mapMethods(F.Transformer)}(Konva);
\ No newline at end of file
+     */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{for(e=(u-1)*f,n=d;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]=255<s?255:s,l[i+1]=255<h?255:h,l[i+2]=255<c?255:c,l[i+3]=l[i+3],--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];127<h&&(h=255-h),127<c&&(c=255-c),127<l&&(l=255-l),e[s]=h,e[s+1]=c,e[s+2]=l}while(--o)}while(--a)}}(),function(){"use strict";Konva.Filters.Kaleidoscope=function(t){var e,n,i,a,r,o,s,h,c,l=t.width,d=t.height,u=Math.round(this.kaleidoscopePower()),f=Math.round(this.kaleidoscopeAngle()),g=Math.floor(l*(f%360)/360);if(!(u<1)){var v=Konva.Util.createCanvasElement();v.width=l,v.height=d;var p=v.getContext("2d").getImageData(0,0,l,d);!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,g=0,v=0,p=0,m=Math.sqrt(d*d+u*u);a=c-d,r=l-u,m=m<(o=Math.sqrt(a*a+r*r))?o:m;var _,y,S,K,x=l,C=c,b=360/C*Math.PI/180;for(y=0;y<C;y+=1)for(S=Math.sin(y*b),K=Math.cos(y*b),_=0;_<x;_+=1)a=Math.floor(d+m*_/x*K),f=s[0+(i=4*((r=Math.floor(u+m*_/x*S))*c+a))],g=s[i+1],v=s[i+2],p=s[i+3],h[0+(i=4*(y+_*c))]=f,h[i+1]=g,h[i+2]=v,h[i+3]=p}(t,p,{polarCenterX:l/2,polarCenterY:d/2});for(var m=l/Math.pow(2,u);m<=8;)m*=2,u-=1;var _=m=Math.ceil(m),y=0,S=_,K=1;for(l<g+m&&(y=_,S=0,K=-1),n=0;n<d;n+=1)for(e=y;e!==S;e+=K)h=4*(l*n+Math.round(e+g)%l),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],c=4*(l*n+e),p.data[c+0]=a,p.data[c+1]=r,p.data[c+2]=o,p.data[c+3]=s;for(n=0;n<d;n+=1)for(_=Math.floor(m),i=0;i<u;i+=1){for(e=0;e<_+1;e+=1)h=4*(l*n+e),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],c=4*(l*n+2*_-e-1),p.data[c+0]=a,p.data[c+1]=r,p.data[c+2]=o,p.data[c+3]=s;_*=2}!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,g=n.polarCenterY||u/2,v=0,p=0,m=0,_=0,y=Math.sqrt(f*f+g*g);a=d-f,r=u-g,y=y<(h=Math.sqrt(a*a+r*r))?h:y;var S,K,x,C=u,b=d,w=n.polarRotation||0;for(a=0;a<d;a+=1)for(r=0;r<u;r+=1)o=a-f,s=r-g,S=Math.sqrt(o*o+s*s)*C/y,K=(K=(180*Math.atan2(s,o)/Math.PI+360+w)%360)*b/360,x=Math.floor(K),v=c[0+(i=4*(Math.floor(S)*d+x))],p=c[i+1],m=c[i+2],_=c[i+3],l[0+(i=4*(r*d+a))]=v,l[i+1]=p,l[i+2]=m,l[i+3]=_}(p,t,{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(t){"use strict";t.Filters.Contrast=function(t){var e,n=Math.pow((parseInt(this.contrast())+100)/100,2),i=t.data,a=i.length,r=150,o=150,s=150;for(e=0;e<a;e+=4)r=i[e],o=i[e+1],s=i[e+2],r/=255,r-=.5,r*=n,r+=.5,o/=255,o-=.5,o*=n,o+=.5,s/=255,s-=.5,s*=n,s+=.5,r=(r*=255)<0?0:255<r?255:r,o=(o*=255)<0?0:255<o?255:o,s=(s*=255)<0?0:255<s?255:s,i[e]=r,i[e+1]=o,i[e+2]=s},t.Factory.addGetterSetter(t.Node,"contrast",0,null,t.Factory.afterSetFilter)}(Konva),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(e){if(!e)return this.children;var n=new Konva.Collection;return this.children.each(function(t){e(t)&&n.push(t)}),n},hasChildren:function(){return 0<this.getChildren().length},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(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}if(t.getParent())return t.moveTo(this),this;var 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){return this._generalFind(t,!1)},findOne:function(t){var e=this._generalFind(t,!0);return 0<e.length?e[0]:void 0},_generalFind:function(t,e){var n=[];return"string"==typeof t?n=this._findByString(t,e):"function"==typeof t&&(n=this._findByFunction(t,e)),Konva.Collection.toCollection(n)},_findByString: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 h},_findByFunction:function(a,r){var o=[],s=function(t){if(!(r&&0<o.length)){var e=t.getChildren(),n=e.length;a(t)&&(o=o.concat(t));for(var i=0;i<n;i++)s(e[i])}};return s(this),o},_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(e){var n=[];return this.find("Shape").each(function(t){t.isVisible()&&t.intersects(e)&&n.push(t)}),n},_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)&&(!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)||n)&&(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(e,n,i,a,r){var t,o,s=this.getLayer(),h=e&&e.getContext(),c=this.getClipWidth(),l=this.getClipHeight(),d=this.getClipFunc(),u=c&&l||d;if(u&&s){h.save();var f=this.getAbsoluteTransform(i),g=f.getMatrix();h.transform(g[0],g[1],g[2],g[3],g[4],g[5]),h.beginPath(),d?d.call(this,h,this):(t=this.getClipX(),o=this.getClipY(),h.rect(t,o,c,l)),h.clip(),g=f.copy().invert().getMatrix(),h.transform(g[0],g[1],g[2],g[3],g[4],g[5])}this.children.each(function(t){t[n](e,i,a,r)}),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 n,i,a,r,e=(t=t||{}).skipTransform,o=t.relativeTo,s={x:0,y:0,width:0,height:0},h=this;this.children.each(function(t){if(t.getVisible()){var e=t.getClientRect({relativeTo:h});void 0===n?(n=e.x,i=e.y,a=e.x+e.width,r=e.y+e.height):(n=Math.min(n,e.x),i=Math.min(i,e.y),a=Math.max(a,e.x+e.width),r=Math.max(r,e.y+e.height))}});for(var c=this.find("Shape"),l=!1,d=0;d<c.length;d++){if(c[d].getVisible()){l=!0;break}}return l&&(s={x:n,y:i,width:a-n,height:r-i}),e?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(f){"use strict";var t="hasShadow",e="shadowRGBA";function i(t){t.fill()}function a(t){t.stroke()}function r(t){t.fill()}function o(t){t.stroke()}function s(){this._clearCache(t)}function h(){this._clearCache(e)}f.Shape=function(t){this.__init(t)},f.Util.addMethods(f.Shape,{__init:function(t){this.nodeType="Shape",this._fillFunc=i,this._strokeFunc=a,this._fillFuncHit=r,this._strokeFuncHit=o;for(var e,n=f.shapes;!(e=f.Util.getRandomColor())||e in n;);n[this.colorKey=e]=this,f.Node.call(this,t),this.on("shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",s),this.on("shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",h)},hasChildren:function(){return!1},getChildren:function(){return[]},getContext:function(){return this.getLayer().getContext()},getCanvas:function(){return this.getLayer().getCanvas()},hasShadow:function(){return this._getCache(t,this._hasShadow)},_hasShadow:function(){return this.getShadowEnabled()&&0!==this.getShadowOpacity()&&!!(this.getShadowColor()||this.getShadowBlur()||this.getShadowOffsetX()||this.getShadowOffsetY())},getShadowRGBA:function(){return this._getCache(e,this._getShadowRGBA)},_getShadowRGBA:function(){if(this.hasShadow()){var t=f.Util.colorToRGBA(this.shadowColor());return"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.getShadowOpacity()||1)+")"}},hasFill:function(){return!!(this.getFill()||this.getFillPatternImage()||this.getFillLinearGradientColorStops()||this.getFillRadialGradientColorStops())},hasStroke:function(){return this.strokeEnabled()&&!(!this.stroke()&&!this.getStrokeLinearGradientColorStops())},intersects:function(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e),0<e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]},destroy:function(){return f.Node.prototype.destroy.call(this),delete f.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,g=0;Math.round(a/2)!==a/2&&(g=1);var v={width:u+g,height:f+g,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?v:this._transformedRect(v,n)},drawScene:function(t,e,n,i){var a,r,o=this.getLayer(),s=t||o.getCanvas(),h=s.getContext(),c=this._cache.canvas,l=this.sceneFunc(),d=this.hasShadow(),u=this.hasStroke();if(!this.isVisible()&&!n)return this;if(c)return h.save(),o._applyTransform(this,h,e),this._drawCachedSceneCanvas(h),h.restore(),this;if(!l)return this;if(h.save(),this._useBufferCanvas(n)&&!i){if((r=(a=this.getStage().bufferCanvas).getContext()).clear(),r.save(),r._applyLineJoin(this),!n)if(o)o._applyTransform(this,r,e);else{var f=this.getAbsoluteTransform(e).getMatrix();h.transform(f[0],f[1],f[2],f[3],f[4],f[5])}l.call(this,r),r.restore();var g=a.pixelRatio;d&&!s.hitCanvas?(h.save(),h._applyShadow(this),h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(a._canvas,0,0,a.width/g,a.height/g),h.restore()):(h._applyOpacity(this),h._applyGlobalCompositeOperation(this),h.drawImage(a._canvas,0,0,a.width/g,a.height/g))}else{if(h._applyLineJoin(this),!n)if(o)o._applyTransform(this,h,e);else{var v=this.getAbsoluteTransform(e).getMatrix();h.transform(v[0],v[1],v[2],v[3],v[4],v[5])}d&&u&&!s.hitCanvas?(h.save(),n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h),h.restore(),this.hasFill()&&this.getShadowForStrokeEnabled()&&l.call(this,h)):d&&!s.hitCanvas?(h.save(),n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),h._applyShadow(this),l.call(this,h),h.restore()):(n||(h._applyOpacity(this),h._applyGlobalCompositeOperation(this)),l.call(this,h))}return h.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)&&!n)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(t){var e,n,i,a,r,o=t||0,s=this._cache.canvas,h=this._getCachedSceneCanvas(),c=s.hit,l=c.getContext(),d=c.getWidth(),u=c.getHeight();l.clear(),l.drawImage(h._canvas,0,0,d,u);try{for(i=(n=(e=l.getImageData(0,0,d,u)).data).length,a=f.Util._hexToRgb(this.colorKey),r=0;r<i;r+=4)o<n[r+3]?(n[r]=a.r,n[r+1]=a.g,n[r+2]=a.b,n[r+3]=255):n[r+3]=0;l.putImageData(e,0,0)}catch(t){f.Util.error("Unable to draw hit graph from cached scene canvas. "+t.message)}return this}}),f.Util.extend(f.Shape,f.Node),f.Factory.addGetterSetter(f.Shape,"stroke"),f.Factory.addGetterSetter(f.Shape,"strokeWidth",2),f.Factory.addGetterSetter(f.Shape,"strokeHitEnabled",!0),f.Factory.addGetterSetter(f.Shape,"perfectDrawEnabled",!0),f.Factory.addGetterSetter(f.Shape,"shadowForStrokeEnabled",!0),f.Factory.addGetterSetter(f.Shape,"lineJoin"),f.Factory.addGetterSetter(f.Shape,"lineCap"),f.Factory.addGetterSetter(f.Shape,"sceneFunc"),f.Factory.addGetterSetter(f.Shape,"hitFunc"),f.Factory.addGetterSetter(f.Shape,"dash"),f.Factory.addGetterSetter(f.Shape,"dashOffset",0),f.Factory.addGetterSetter(f.Shape,"shadowColor"),f.Factory.addGetterSetter(f.Shape,"shadowBlur"),f.Factory.addGetterSetter(f.Shape,"shadowOpacity"),f.Factory.addComponentsGetterSetter(f.Shape,"shadowOffset",["x","y"]),f.Factory.addGetterSetter(f.Shape,"shadowOffsetX",0),f.Factory.addGetterSetter(f.Shape,"shadowOffsetY",0),f.Factory.addGetterSetter(f.Shape,"fillPatternImage"),f.Factory.addGetterSetter(f.Shape,"fill"),f.Factory.addGetterSetter(f.Shape,"fillPatternX",0),f.Factory.addGetterSetter(f.Shape,"fillPatternY",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartRadius",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndRadius",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientColorStops"),f.Factory.addGetterSetter(f.Shape,"fillPatternRepeat","repeat"),f.Factory.addGetterSetter(f.Shape,"fillEnabled",!0),f.Factory.addGetterSetter(f.Shape,"strokeEnabled",!0),f.Factory.addGetterSetter(f.Shape,"shadowEnabled",!0),f.Factory.addGetterSetter(f.Shape,"dashEnabled",!0),f.Factory.addGetterSetter(f.Shape,"strokeScaleEnabled",!0),f.Factory.addGetterSetter(f.Shape,"fillPriority","color"),f.Factory.addComponentsGetterSetter(f.Shape,"fillPatternOffset",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillPatternOffsetX",0),f.Factory.addGetterSetter(f.Shape,"fillPatternOffsetY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillPatternScale",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillPatternScaleX",1),f.Factory.addGetterSetter(f.Shape,"fillPatternScaleY",1),f.Factory.addComponentsGetterSetter(f.Shape,"fillLinearGradientStartPoint",["x","y"]),f.Factory.addComponentsGetterSetter(f.Shape,"strokeLinearGradientStartPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientStartPointY",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientStartPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillLinearGradientEndPoint",["x","y"]),f.Factory.addComponentsGetterSetter(f.Shape,"strokeLinearGradientEndPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"fillLinearGradientEndPointY",0),f.Factory.addGetterSetter(f.Shape,"strokeLinearGradientEndPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillRadialGradientStartPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartPointX",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientStartPointY",0),f.Factory.addComponentsGetterSetter(f.Shape,"fillRadialGradientEndPoint",["x","y"]),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndPointX",0),f.Factory.addGetterSetter(f.Shape,"fillRadialGradientEndPointY",0),f.Factory.addGetterSetter(f.Shape,"fillPatternRotation",0),f.Factory.backCompat(f.Shape,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"}),f.Collection.mapMethods(f.Shape)}(Konva),function(){"use strict";var n="mouseout",i="mouseleave",a="mouseover",r="mousemove",o="mousedown",s="mouseup",h="contextmenu",c="dblclick",l="touchstart",d="touchend",u="touchmove",f="wheel",g="_",e=[o,r,s,n,l,u,d,a,f,h],v=e.length;function p(e,n){e.content.addEventListener(n,function(t){e[g+n](t)},!1)}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-1<e&&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||1}),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;0<=n;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(1<arguments.length){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 t=0;t<v;t++)p(this,e[t])},_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(n,{evt:t}),e._fireAndBubble(i,{evt:t}),this.targetShape=null),this.pointerPos=void 0,this._fire("contentMouseout",{evt:t})}},_mousemove:function(t){return Konva.UA.ieMobile?this._touchmove(t):void 0===t.movementX&&void 0===t.movementY||0!==t.movementY||0!==t.movementX?Konva.UA.mobile?null:(this._setPointerPosition(t),Konva.isDragging()||((e=this.getIntersection(this.getPointerPosition()))&&e.isListening()?Konva.isDragging()||this.targetShape&&this.targetShape._id===e._id?e._fireAndBubble(r,{evt:t}):(this.targetShape&&(this.targetShape._fireAndBubble(n,{evt:t},e),this.targetShape._fireAndBubble(i,{evt:t},e)),e._fireAndBubble(a,{evt:t},this.targetShape),e._fireAndBubble("mouseenter",{evt:t},this.targetShape),this.targetShape=e):(this.targetShape&&!Konva.isDragging()&&(this.targetShape._fireAndBubble(n,{evt:t}),this.targetShape._fireAndBubble(i,{evt:t}),this.targetShape=null),this._fire(r,{evt:t,target:this,currentTarget:this})),this._fire("contentMousemove",{evt:t})),void(t.cancelable&&t.preventDefault())):null;var e},_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)._fireAndBubble(o,{evt:t}):this._fire(o,{evt:t,target:this,currentTarget:this}),this._fire("contentMousedown",{evt:t})}t.cancelable&&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,clearTimeout(this.dblTimeout)):r&&r.justDragged?r&&(r.justDragged=!1):(Konva.inDblClickWindow=!0,clearTimeout(this.dblTimeout)),this.dblTimeout=setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()?((this.clickEndShape=e)._fireAndBubble(s,{evt:t}),Konva.listenClickTap&&n&&n._id===e._id&&(e._fireAndBubble("click",{evt:t}),a&&i&&i._id===e._id&&e._fireAndBubble(c,{evt:t}))):(this._fire(s,{evt:t,target:this,currentTarget:this}),this._fire("click",{evt:t,target:this,currentTarget:this}),a&&this._fire(c,{evt:t,target:this,currentTarget:this})),this._fire("contentMouseup",{evt:t}),Konva.listenClickTap&&(this._fire("contentClick",{evt:t}),a&&this._fire("contentDblclick",{evt:t})),Konva.listenClickTap=!1}t.cancelable&&t.preventDefault()},_contextmenu:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(h,{evt:t}):this._fire(h,{evt:t,target:this,currentTarget:this}),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)._fireAndBubble(l,{evt:t}),e.isListening()&&e.preventDefault()&&t.cancelable&&t.preventDefault()):this._fire(l,{evt:t,target:this,currentTarget:this}),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=!0,clearTimeout(this.dblTimeout),this.dblTimeout=setTimeout(function(){Konva.inDblClickWindow=!1},Konva.dblClickWindow),e&&e.isListening()?(e._fireAndBubble(d,{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.cancelable&&t.preventDefault()):(this._fire(d,{evt:t,target:this,currentTarget:this}),this._fire("tap",{evt:t,target:this,currentTarget:this}),n&&this._fire("dbltap",{evt:t,target:this,currentTarget:this})),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(u,{evt:t}),e.isListening()&&e.preventDefault()&&t.cancelable&&t.preventDefault()):this._fire(u,{evt:t,target:this,currentTarget:this}),this._fire("contentTouchmove",{evt:t})),n&&Konva.isDragging()&&Konva.DD.node.preventDefault()&&t.cancelable&&t.preventDefault()},_wheel:function(t){this._setPointerPosition(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(f,{evt:t}):this._fire(f,{evt:t,target:this,currentTarget:this}),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(0<t.touches.length){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(n){"use strict";n.BaseLayer=function(t){this.___init(t)},n.Util.addMethods(n.BaseLayer,{___init:function(t){this.nodeType="Layer",n.Container.call(this,t)},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(t){n.Node.prototype.setZIndex.call(this,t);var e=this.getStage();return e&&(e.content.removeChild(this.getCanvas()._canvas),t<e.getChildren().length-1?e.content.insertBefore(this.getCanvas()._canvas,e.getChildren()[t+1].getCanvas()._canvas):e.content.appendChild(this.getCanvas()._canvas)),this},moveToTop:function(){n.Node.prototype.moveToTop.call(this);var t=this.getStage();return t&&(t.content.removeChild(this.getCanvas()._canvas),t.content.appendChild(this.getCanvas()._canvas)),this},moveUp:function(){if(!n.Node.prototype.moveUp.call(this))return this;var t=this.getStage();return t&&(t.content.removeChild(this.getCanvas()._canvas),this.index<t.getChildren().length-1?t.content.insertBefore(this.getCanvas()._canvas,t.getChildren()[this.index+1].getCanvas()._canvas):t.content.appendChild(this.getCanvas()._canvas)),this},moveDown:function(){if(n.Node.prototype.moveDown.call(this)){var t=this.getStage();if(t){var e=t.getChildren();t.content.removeChild(this.getCanvas()._canvas),t.content.insertBefore(this.getCanvas()._canvas,e[this.index+1].getCanvas()._canvas)}}return this},moveToBottom:function(){if(n.Node.prototype.moveToBottom.call(this)){var t=this.getStage();if(t){var e=t.getChildren();t.content.removeChild(this.getCanvas()._canvas),t.content.insertBefore(this.getCanvas()._canvas,e[1].getCanvas()._canvas)}}return this},getLayer:function(){return this},remove:function(){var t=this.getCanvas()._canvas;return n.Node.prototype.remove.call(this),t&&t.parentNode&&n.Util._isInDocument(t)&&t.parentNode.removeChild(t),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(){n.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(){n.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])}}),n.Util.extend(n.BaseLayer,n.Container),n.Factory.addGetterSetter(n.BaseLayer,"clearBeforeDraw",!0),n.Collection.mapMethods(n.BaseLayer)}(Konva),function(){"use strict";var h=[{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}],c=h.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(t,e){var n,i,a,r;if(!this.hitGraphEnabled()||!this.isVisible())return null;for(var o=1,s=!1;;){for(i=0;i<c;i++){if(a=h[i],(r=(n=this._getIntersection({x:t.x+a.x*o,y:t.y+a.y*o})).shape)&&e)return r.findAncestor(e,!0);if(r)return r;if(s=!!n.antialiased,!n.antialiased)break}if(!s)return null;o+=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}):0<r?{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(i){"use strict";var l=i.global.performance&&i.global.performance.now?function(){return i.global.performance.now()}:function(){return(new Date).getTime()};function t(t){setTimeout(t,1e3/60)}var e=i.global.requestAnimationFrame||i.global.webkitRequestAnimationFrame||i.global.mozRequestAnimationFrame||i.global.oRequestAnimationFrame||i.global.msRequestAnimationFrame||t;function n(){return e.apply(i.global,arguments)}i.Animation=function(t,e){var n=i.Animation;this.func=t,this.setLayers(e),this.id=n.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:l()}},i.Animation.prototype={setLayers:function(t){var e=[];return e=t?0<t.length?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 t,e=i.Animation.animations,n=e.length;for(t=0;t<n;t++)if(e[t].id===this.id)return!0;return!1},start:function(){var t=i.Animation;return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=l(),t._addAnimation(this),this},stop:function(){return i.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}},i.Animation.animations=[],i.Animation.animIdCounter=0,i.Animation.animRunning=!1,i.Animation._addAnimation=function(t){this.animations.push(t),this._handleAnimation()},i.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}},i.Animation._runFrames=function(){var t,e,n,i,a,r,o,s,h={},c=this.animations;for(i=0;i<c.length;i++)if(e=(t=c[i]).layers,n=t.func,t._updateFrameObject(l()),r=e.length,!n||!1!==n.call(t,t.frame))for(a=0;a<r;a++)void 0!==(o=e[a])._id&&(h[o._id]=o);for(s in h)h.hasOwnProperty(s)&&h[s].draw()},i.Animation._animationLoop=function(){var t=i.Animation;t.animations.length?(t._runFrames(),n(t._animationLoop)):t.animRunning=!1},i.Animation._handleAnimation=function(){this.animRunning||(this.animRunning=!0,n(this._animationLoop))},i.BaseLayer.prototype.batchDraw=function(){var t=this,e=i.Animation;return this.batchAnim||(this.batchAnim=new e(function(){t.batchAnim.stop()},this)),this.batchAnim.isRunning()||this.batchAnim.start(),this},i.Stage.prototype.batchDraw=function(){return this.getChildren().each(function(t){t.batchDraw()}),this}}(Konva),function(){"use strict";var c={node:1,duration:1,easing:1,onFinish:1,yoyo:1},l=0,u=["fill","stroke","shadowColor"],d=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()};d.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(t){var e,n,i=this,a=t.node,r=a._id,o=t.easing||Konva.Easings.Linear,s=!!t.yoyo;e=void 0===t.duration?1:0===t.duration?.001:t.duration,this.node=a,this._id=l++;var h=a.getLayer()||(a instanceof Konva.Stage?a.getLayers():null);for(n in h||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(){i.tween.onEnterFrame()},h),this.tween=new d(n,function(t){i._tweenFunc(t)},o,0,1,1e3*e,s),this._addListeners(),Konva.Tween.attrs[r]||(Konva.Tween.attrs[r]={}),Konva.Tween.attrs[r][this._id]||(Konva.Tween.attrs[r][this._id]={}),Konva.Tween.tweens[r]||(Konva.Tween.tweens[r]={}),t)void 0===c[n]&&this._addAttr(n,t[n]);this.reset(),this.onFinish=t.onFinish,this.onReset=t.onReset},Konva.Tween.attrs={},Konva.Tween.tweens={},Konva.Tween.prototype={_addAttr:function(t,e){var n,i,a,r,o,s,h,c=this.node,l=c._id;if((a=Konva.Tween.tweens[l][t])&&delete Konva.Tween.attrs[l][a][t],n=c.getAttr(t),Konva.Util._isArray(e))for(i=[],o=Math.max(e.length,n.length),"points"===t&&e.length!==n.length&&(e.length>n.length?(h=n,n=Konva.Util._prepareArrayForTween(n,e,c.closed())):(s=e,e=Konva.Util._prepareArrayForTween(e,n,c.closed()))),r=0;r<o;r++)i.push(e[r]-n[r]);else if(-1!==u.indexOf(t)){n=Konva.Util.colorToRGBA(n);var d=Konva.Util.colorToRGBA(e);i={r:d.r-n.r,g:d.g-n.g,b:d.b-n.b,a:d.a-n.a}}else i=e-n;Konva.Tween.attrs[l][this._id][t]={start:n,diff:i,end:e,trueEnd:s,trueStart:h},Konva.Tween.tweens[l][t]=this._id},_tweenFunc:function(t){var e,n,i,a,r,o,s,h,c=this.node,l=Konva.Tween.attrs[c._id][this._id];for(e in l){if(i=(n=l[e]).start,a=n.diff,h=n.end,Konva.Util._isArray(i))for(r=[],s=Math.max(i.length,h.length),o=0;o<s;o++)r.push((i[o]||0)+a[o]*t);else r=-1!==u.indexOf(e)?"rgba("+Math.round(i.r+a.r*t)+","+Math.round(i.g+a.g*t)+","+Math.round(i.b+a.b*t)+","+(i.a+a.a*t)+")":i+a*t;c.setAttr(e,r)}},_addListeners:function(){var n=this;this.tween.onPlay=function(){n.anim.start()},this.tween.onReverse=function(){n.anim.start()},this.tween.onPause=function(){n.anim.stop()},this.tween.onFinish=function(){var t=n.node,e=Konva.Tween.attrs[t._id][n._id];e.points&&e.points.trueEnd&&t.points(e.points.trueEnd),n.onFinish&&n.onFinish.call(n)},this.tween.onReset=function(){var t=n.node,e=Konva.Tween.attrs[t._id][n._id];e.points&&e.points.trueStart&&t.points(e.points.trueStart),n.onReset&&n.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];for(t in this.pause(),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){return n*(t/=i)*t*(2.70158*t-1.70158)+e},BackEaseOut:function(t,e,n,i){return n*((t=t/i-1)*t*(2.70158*t+1.70158)+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 e=Konva.Node.prototype.remove;if(Konva.Node.prototype.__originalRemove=e,Konva.Node.prototype.remove=function(){var t=Konva.DD;t.node&&t.node._id===this._id&&this.stopDrag(),e.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 e=this;this._dragCleanup(),"Stage"===this.getClassName()?this.on("contentMousedown.konva contentTouchstart.konva",function(t){Konva.DD.node||e.startDrag(t)}):this.on("mousedown.konva touchstart.konva",function(t){1!==t.evt.button&&2!==t.evt.button&&(Konva.DD.node||e.startDrag(t))})},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 t=Konva.document.documentElement;t.addEventListener("mouseup",Konva.DD._endDragBefore,!0),t.addEventListener("touchend",Konva.DD._endDragBefore,!0),t.addEventListener("mousemove",Konva.DD._drag),t.addEventListener("touchmove",Konva.DD._drag),t.addEventListener("mouseup",Konva.DD._endDragAfter,!1),t.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(e){"use strict";var n=2*Math.PI-1e-4;e.Circle=function(t){this.___init(t)},e.Circle.prototype={_centroid:!0,___init:function(t){e.Shape.call(this,t),this.className="Circle",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){t.beginPath(),t.arc(0,0,this.getRadius(),0,n,!1),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getRadius()},getHeight:function(){return 2*this.getRadius()},setWidth:function(t){e.Node.prototype.setWidth.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)},setHeight:function(t){e.Node.prototype.setHeight.call(this,t),this.radius()!==t/2&&this.setRadius(t/2)}},e.Util.extend(e.Circle,e.Shape),e.Factory.addGetterSetter(e.Circle,"radius",0),e.Factory.addOverloadedGetterSetter(e.Circle,"radius"),e.Collection.mapMethods(e.Circle)}(Konva),function(){"use strict";var i=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(t){var e=this.getRadiusX(),n=this.getRadiusY();t.beginPath(),t.save(),e!==n&&t.scale(1,n/e),t.arc(0,0,e,0,i,!1),t.restore(),t.closePath(),t.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 e=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(t){t.beginPath(),t.arc(0,0,this.getInnerRadius(),0,e,!1),t.moveTo(this.getOuterRadius(),0),t.arc(0,0,this.getOuterRadius(),e,0,!0),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)},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(i){"use strict";i.Arc=function(t){this.___init(t)},i.Arc.prototype={_centroid:!0,___init:function(t){i.Shape.call(this,t),this.className="Arc",this.sceneFunc(this._sceneFunc)},_sceneFunc:function(t){var e=i.getAngle(this.angle()),n=this.clockwise();t.beginPath(),t.arc(0,0,this.getOuterRadius(),0,e,n),t.arc(0,0,this.getInnerRadius(),e,0,!n),t.closePath(),t.fillStrokeShape(this)},getWidth:function(){return 2*this.getOuterRadius()},getHeight:function(){return 2*this.getOuterRadius()},setWidth:function(t){i.Node.prototype.setWidth.call(this,t),this.getOuterRadius()!==t/2&&this.setOuterRadius(t/2)},setHeight:function(t){i.Node.prototype.setHeight.call(this,t),this.getOuterRadius()!==t/2&&this.setOuterRadius(t/2)}},i.Util.extend(i.Arc,i.Shape),i.Factory.addGetterSetter(i.Arc,"innerRadius",0),i.Factory.addGetterSetter(i.Arc,"outerRadius",0),i.Factory.addGetterSetter(i.Arc,"angle",0),i.Factory.addGetterSetter(i.Arc,"clockwise",!1),i.Collection.mapMethods(i.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.crossOrigin="Anonymous",n.src=t}}(),function(){"use strict";var t,M="auto",y="justify",e="2d",n=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],i=n.length;function k(){return t||(t=Konva.Util.createCanvasElement().getContext(e))}function a(t){t.fillText(this.partialText,0,0)}function r(t){t.strokeText(this.partialText,0,0)}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=a,this._strokeFunc=r,this.className="Text";for(var e=0;e<i;e++)this.on(n[e]+"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"),n?(t.translate(n,0),t.translate(0,n+a/2)):t.translate(0,a/2),e=0;e<o;e++){var f=r[e],g=f.text,v=f.width;if(t.save(),"right"===s?t.translate(h-v-2*n,0):"center"===s&&t.translate((h-v-2*n)/2,0),-1!==l.indexOf("underline")&&(t.save(),t.beginPath(),t.moveTo(0,Math.round(a/2)),t.lineTo(Math.round(v),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(v),0),t.lineWidth=u/15,t.strokeStyle=d,t.stroke(),t.restore()),0!==c||s===y)for(var p=g.split(" ").length-1,m=0;m<g.length;m++){var _=g[m];" "===_&&e!==o-1&&s===y&&t.translate(Math.floor((h-v)/p),0),this.partialText=_,t.fillStrokeShape(this),t.translate(Math.round(this._getTextSize(_).width)+c,0)}else this.partialText=g,t.fillStrokeShape(this);t.restore(),1<o&&t.translate(0,a)}},_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 this.attrs.width===M||void 0===this.attrs.width?this.getTextWidth()+2*this.getPadding():this.attrs.width},getHeight:function(){return this.attrs.height===M||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(t){var e,n=k(),i=this.getFontSize();return n.save(),n.font=this._getContextFont(),e=n.measureText(t),n.restore(),{width:e.width,height:parseInt(i,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){this.align()===y&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e})},_getTextWidth:function(t){var e=this.getLetterSpacing(),n=t.length;return k().measureText(t).width+(n?e*(n-1):0)},_setTextData:function(){var t=this.getText().split("\n"),e=+this.getFontSize(),n=0,i=this.getLineHeight()*e,a=this.attrs.width,r=this.attrs.height,o=a!==M,s=r!==M,h=this.getPadding(),c=a-2*h,l=r-2*h,d=0,u=this.getWrap(),f="none"!==u,g="char"!==u&&f,v=this.getEllipsis()&&!f;this.textArr=[],k().font=this._getContextFont();for(var p=0,m=t.length;p<m;++p){var _=t[p],y=v?this._getTextWidth("…"):0,S=this._getTextWidth(_);if(o&&c<S)for(;0<_.length;){for(var K=0,x=_.length,C="",b=0;K<x;){var w=K+x>>>1,F=_.slice(0,w+1),T=this._getTextWidth(F)+y;T<=c?(K=w+1,C=F+(v?"…":""),b=T):x=w}if(!C)break;if(g){var P,A=_[C.length];0<(P=(" "===A||"-"===A)&&b<=c?C.length:Math.max(C.lastIndexOf(" "),C.lastIndexOf("-"))+1)&&(K=P,C=C.slice(0,K),b=this._getTextWidth(C))}if(this._addTextLine(C),n=Math.max(n,b),d+=i,!f||s&&l<d+i)break;if(0<(_=_.slice(K)).length&&(S=this._getTextWidth(_))<=c){this._addTextLine(_),d+=i,n=Math.max(n,S);break}}else this._addTextLine(_),d+=i,n=Math.max(n,S);if(s&&l<d+i)break}this.textHeight=e,this.textWidth=n}},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,"ellipsis",!1),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&&4<r){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=h<s?s:h,g=h<s?1:s/h,v=h<s?h/s:1;t.translate(r,o),t.rotate(d),t.scale(g,v),t.arc(0,0,f,c,c+l,1-u),t.scale(1/g,1/v),t.rotate(-d),t.translate(-r,-o);break;case"z":t.closePath()}}t.fillStrokeShape(this)},getSelfRect:function(){var e=[];this.dataArray.forEach(function(t){e=e.concat(t.points)});for(var t,n,i=e[0],a=e[0],r=e[1],o=e[1],s=0;s<e.length/2;s++)t=e[2*s],n=e[2*s+1],i=Math.min(i,t),a=Math.max(a,t),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 g=(r-e)*(i-e)+(o-n)*(a-n);d=e+(g/=f*f)*(i-e),u=n+g*(a-n);var v=this.getLineLength(r,o,d,u),p=Math.sqrt(t*t-v*v);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=n*Math.cos(a),c=i*Math.sin(a);return{x:t+(h*o-c*s),y:e+(h*s+c*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,r=e.split("|"),o=[],s=[],h=0,c=0,l=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi;for(i=1;i<r.length;i++){var d=r[i],u=d.charAt(0);for(d=d.slice(1),s.length=0;a=l.exec(d);)s.push(a[0]);for(var f=[],g=0,v=s.length;g<v;g++){var p=parseFloat(s[g]);isNaN(p)||f.push(p)}for(;0<f.length&&!isNaN(f[0]);){var m,_,y,S,K,x,C,b,w,F,T=null,P=[],A=h,M=c;switch(u){case"l":h+=f.shift(),c+=f.shift(),T="L",P.push(h,c);break;case"L":h=f.shift(),c=f.shift(),P.push(h,c);break;case"m":var k=f.shift(),G=f.shift();if(h+=k,c+=G,T="M",2<o.length&&"z"===o[o.length-1].command)for(var R=o.length-2;0<=R;R--)if("M"===o[R].command){h=o[R].points[0]+k,c=o[R].points[1]+G;break}P.push(h,c),u="l";break;case"M":h=f.shift(),c=f.shift(),T="M",P.push(h,c),u="L";break;case"h":h+=f.shift(),T="L",P.push(h,c);break;case"H":h=f.shift(),T="L",P.push(h,c);break;case"v":c+=f.shift(),T="L",P.push(h,c);break;case"V":c=f.shift(),T="L",P.push(h,c);break;case"C":P.push(f.shift(),f.shift(),f.shift(),f.shift()),h=f.shift(),c=f.shift(),P.push(h,c);break;case"c":P.push(h+f.shift(),c+f.shift(),h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="C",P.push(h,c);break;case"S":_=h,y=c,"C"===(m=o[o.length-1]).command&&(_=h+(h-m.points[2]),y=c+(c-m.points[3])),P.push(_,y,f.shift(),f.shift()),h=f.shift(),c=f.shift(),T="C",P.push(h,c);break;case"s":_=h,y=c,"C"===(m=o[o.length-1]).command&&(_=h+(h-m.points[2]),y=c+(c-m.points[3])),P.push(_,y,h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="C",P.push(h,c);break;case"Q":P.push(f.shift(),f.shift()),h=f.shift(),c=f.shift(),P.push(h,c);break;case"q":P.push(h+f.shift(),c+f.shift()),h+=f.shift(),c+=f.shift(),T="Q",P.push(h,c);break;case"T":_=h,y=c,"Q"===(m=o[o.length-1]).command&&(_=h+(h-m.points[0]),y=c+(c-m.points[1])),h=f.shift(),c=f.shift(),T="Q",P.push(_,y,h,c);break;case"t":_=h,y=c,"Q"===(m=o[o.length-1]).command&&(_=h+(h-m.points[0]),y=c+(c-m.points[1])),h+=f.shift(),c+=f.shift(),T="Q",P.push(_,y,h,c);break;case"A":S=f.shift(),K=f.shift(),x=f.shift(),C=f.shift(),b=f.shift(),w=h,F=c,h=f.shift(),c=f.shift(),T="A",P=this.convertEndpointToCenterParameterization(w,F,h,c,C,b,S,K,x);break;case"a":S=f.shift(),K=f.shift(),x=f.shift(),C=f.shift(),b=f.shift(),w=h,F=c,h+=f.shift(),c+=f.shift(),T="A",P=this.convertEndpointToCenterParameterization(w,F,h,c,C,b,S,K,x)}o.push({command:T||u,points:P,start:{x:A,y:M},pathLength:this.calcLength(A,M,T||u,P)})}"z"!==u&&"Z"!==u||o.push({command:"z",points:[],start:void 0,pathLength:0})}return o},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;d<s;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);1<u&&(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 g=f*o*d/s,v=f*-s*l/o,p=(t+n)/2+Math.cos(c)*g-Math.sin(c)*v,m=(e+i)/2+Math.sin(c)*g+Math.cos(c)*v,_=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-g)/o,(d-v)/s]),x=[(l-g)/o,(d-v)/s],C=[(-1*l-g)/o,(-1*d-v)/s],b=S(x,C);return y(x,C)<=-1&&(b=Math.PI),1<=y(x,C)&&(b=0),0===r&&0<b&&(b-=2*Math.PI),1===r&&b<0&&(b+=2*Math.PI),[p,m,o,s,K,b,c,r]},Konva.Factory.addGetterSetter(Konva.Path,"data"),Konva.Collection.mapMethods(Konva.Path)}(),function(){"use strict";function n(t){t.fillText(this.partialText,0,0)}function i(t){t.strokeText(this.partialText,0,0)}Konva.TextPath=function(t){this.___init(t)},Konva.TextPath.prototype={___init:function(t){var e=this;this.dummyCanvas=Konva.Util.createCanvasElement(),this.dataArray=[],this.getKerning=t&&t.getKerning,Konva.Shape.call(this,t),this._fillFunc=n,this._strokeFunc=i,this._fillFuncHit=n,this._strokeFuncHit=i,this.className="TextPath",this.dataArray=Konva.Path.parsePathData(this.attrs.data),this.on("dataChange.konva",function(){e.dataArray=Konva.Path.parsePathData(this.attrs.data),e._setTextData()}),this.on("textChange.konva alignChange.konva letterSpacingChange.konva",e._setTextData),e._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(1<=e.length){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 c=this,t=this._getTextSize(this.attrs.text),l=this.getLetterSpacing(),d=this.align();this.textWidth=t.width,this.textHeight=t.height;var u=Math.max(this.textWidth+((this.attrs.text||"").length-1)*l,0);this.glyphInfo=[];for(var f=0,e=0;e<c.dataArray.length;e++)0<c.dataArray[e].pathLength&&(f+=c.dataArray[e].pathLength);var n=0;"center"===d&&(n=Math.max(0,f/2-u/2)),"right"===d&&(n=Math.max(0,f-u));for(var g,v,p,i=this.getText().split(""),m=this.getText().split(" ").length-1,a=-1,_=0,y=function(){_=0;for(var t=c.dataArray,e=a+1;e<t.length;e++){if(0<t[e].pathLength)return t[a=e];"M"===t[e].command&&(g={x:t[e].points[0],y:t[e].points[1]})}return{}},r=function(t){var e=c._getTextSize(t).width+l;" "===t&&"justify"===d&&(e+=(f-u)/m);var n=0,i=0;for(v=void 0;.01<Math.abs(e-n)/e&&i<25;){i++;for(var a=n;void 0===p;)(p=y())&&a+p.pathLength<e&&(a+=p.pathLength,p=void 0);if(p==={}||void 0===g)return;var r=!1;switch(p.command){case"L":Konva.Path.getLineLength(g.x,g.y,p.points[0],p.points[1])>e?v=Konva.Path.getPointOnLine(e,g.x,g.y,p.points[0],p.points[1],g.x,g.y):p=void 0;break;case"A":var o=p.points[4],s=p.points[5],h=p.points[4]+s;0===_?_=o+1e-8:n<e?_+=Math.PI/180*s/Math.abs(s):_-=Math.PI/360*s/Math.abs(s),(s<0&&_<h||0<=s&&h<_)&&(_=h,r=!0),v=Konva.Path.getPointOnEllipticalArc(p.points[0],p.points[1],p.points[2],p.points[3],_,p.points[6]);break;case"C":0===_?_=e>p.pathLength?1e-8:e/p.pathLength:n<e?_+=(e-n)/p.pathLength:_-=(n-e)/p.pathLength,1<_&&(_=1,r=!0),v=Konva.Path.getPointOnCubicBezier(_,p.start.x,p.start.y,p.points[0],p.points[1],p.points[2],p.points[3],p.points[4],p.points[5]);break;case"Q":0===_?_=e/p.pathLength:n<e?_+=(e-n)/p.pathLength:_-=(n-e)/p.pathLength,1<_&&(_=1,r=!0),v=Konva.Path.getPointOnQuadraticBezier(_,p.start.x,p.start.y,p.points[0],p.points[1],p.points[2],p.points[3])}void 0!==v&&(n=Konva.Path.getLineLength(g.x,g.y,v.x,v.y)),r&&(r=!1,p=void 0)}},o=c._getTextSize("C").width+l,s=0;s<n/o&&(r("C"),void 0!==g&&void 0!==v);s++)g=v;for(var h=0;h<i.length&&(r(i[h]),void 0!==g&&void 0!==v);h++){var S=Konva.Path.getLineLength(g.x,g.y,v.x,v.y),K=0;if(this.getKerning)try{K=this.getKerning(i[h-1],i[h])*this.fontSize()}catch(t){K=0}g.x+=K,v.x+=K,this.textWidth+=K;var x=Konva.Path.getPointOnLine(K+S/2,g.x,g.y,v.x,v.y),C=Math.atan2(v.y-g.y,v.x-g.x);this.glyphInfo.push({transposeX:x.x,transposeY:x.y,text:i[h],rotation:C,p0:g,p1:v}),g=v}},getSelfRect:function(){var e=[];this.glyphInfo.forEach(function(t){e.push(t.p0.x),e.push(t.p0.y),e.push(t.p1.x),e.push(t.p1.y)});for(var t,n,i=e[0],a=e[0],r=e[0],o=e[0],s=0;s<e.length/2;s++)t=e[2*s],n=e[2*s+1],i=Math.min(i,t),a=Math.max(a,t),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 a=["fontFamily","fontSize","fontStyle","padding","lineHeight","text","width"],c="right",l="down",d="left",r=a.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(t){var e,n=this,i=function(){n._sync()};for(e=0;e<r;e++)t.on(a[e]+"Change.konva",i)},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(),r=a=0,n){case"up":a=t/2,r=-1*o;break;case c:a=t+i,r=e/2;break;case l:a=t/2,r=e+o;break;case d: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),i===c&&(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),i===l&&(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),i===d&&(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):a===l?o+=i:a===d?(t-=1.5*n,r+=n):a===c&&(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(u){"use strict";u.Arrow=function(t){this.____init(t)},u.Arrow.prototype={____init:function(t){u.Line.call(this,t),this.className="Arrow"},_sceneFunc:function(t){u.Line.prototype._sceneFunc.apply(this,arguments);var e=2*Math.PI,n=this.points(),i=n,a=0!==this.getTension()&&4<n.length;a&&(i=this.getTensionPoints());var r,o,s=n.length;a?(r=n[s-2]-i[s-2],o=n[s-1]-i[s-1]):(r=n[s-2]-n[s-4],o=n[s-1]-n[s-3]);var h=(Math.atan2(o,r)+e)%e,c=this.pointerLength(),l=this.pointerWidth();t.save(),t.beginPath(),t.translate(n[s-2],n[s-1]),t.rotate(h),t.moveTo(0,0),t.lineTo(-c,l/2),t.lineTo(-c,-l/2),t.closePath(),t.restore(),this.pointerAtBeginning()&&(t.save(),t.translate(n[0],n[1]),a?(r=i[0]-n[0],o=i[1]-n[1]):(r=n[2]-n[0],o=n[3]-n[1]),t.rotate((Math.atan2(-o,-r)+e)%e),t.moveTo(0,0),t.lineTo(-c,l/2),t.lineTo(-c,-l/2),t.closePath(),t.restore());var d=this.dashEnabled();d&&(this.attrs.dashEnabled=!1,t.setLineDash([])),t.fillStrokeShape(this),d&&(this.attrs.dashEnabled=!0)}},u.Util.extend(u.Arrow,u.Line),u.Factory.addGetterSetter(u.Arrow,"pointerLength",10),u.Factory.addGetterSetter(u.Arrow,"pointerWidth",10),u.Factory.addGetterSetter(u.Arrow,"pointerAtBeginning",!1),u.Collection.mapMethods(u.Arrow)}(Konva),function(F){"use strict";var e=["resizeEnabledChange","rotateHandlerOffsetChange"].join(" "),n="nodeRect",i=["xChange.resizer","yChange.resizer","widthChange.resizer","heightChange.resizer","scaleXChange.resizer","scaleYChange.resizer","skewXChange.resizer","skewYChange.resizer","rotationChange.resizer","offsetXChange.resizer","offsetYChange.resizer","transformsEnabledChange.resizer"].join(" "),o={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135};F.Transformer=function(t){this.____init(t)};var a=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"],r=!1;F.Transformer.prototype={_centroid:!1,____init:function(t){F.Group.call(this,t),this.className="Transformer",this._createElements(),this._handleMouseMove=this._handleMouseMove.bind(this),this._handleMouseUp=this._handleMouseUp.bind(this),this.update=this.update.bind(this),this.on(e,this.update),r||(F.Util.warn("Konva.Transformer is currently experimental and may have bugs. Please report any issues to GitHub repo."),r=!0),this.getNode()&&this.update()},attachTo:function(t){this.setNode(t)},setNode:function(t){return this._node&&this.detach(),this._node=t,this._clearCache(n),t.on(i,function(){this._clearCache(n),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}.bind(this)),!!this.findOne(".top-left")&&this.update(),this},getNode:function(){return this._node},detach:function(){this.getNode()&&(this.getNode().off(".resizer"),this._node=void 0),this._clearCache(n),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")},_getNodeRect:function(){return this._getCache(n,this.__getNodeRect)},__getNodeRect:function(){var t=this.getNode();if(!t)return{x:-Number.MAX_SAFE_INTEGER,y:-Number.MAX_SAFE_INTEGER,width:0,height:0,rotation:0};var e=t.getClientRect({skipTransform:!0}),n=F.getAngle(t.rotation()),i=e.x*t.scaleX()-t.offsetX(),a=e.y*t.scaleY()-t.offsetY();return{x:t.x()+i*Math.cos(n)+a*Math.sin(-n),y:t.y()+a*Math.cos(n)+i*Math.sin(n),width:e.width*t.scaleX(),height:e.height*t.scaleY(),rotation:t.rotation()}},getX:function(){return this._getNodeRect().x},getY:function(){return this._getNodeRect().y},getRotation:function(){return this._getNodeRect().rotation},getWidth:function(){return this._getNodeRect().width},getHeight:function(){return this._getNodeRect().height},_createElements:function(){this._createBack(),a.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")},_createAnchor:function(a){var r=new F.Rect({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:a,width:10,height:10,offsetX:5,offsetY:5,draggable:!0,dragDistance:0}),e=this;r.on("mousedown touchstart",function(t){e._handleMouseDown(t)}),r.on("mouseenter",function(){var t=this.getLayer(),e=this.getParent(),n=F.getAngle(e.rotation()),i=function(t,e){if("rotater"===t)return"crosshair";e+=F.Util._degToRad(o[t]||0);var n=(F.Util._radToDeg(e)%360+360)%360;return F.Util._inRange(n,337.5,360)||F.Util._inRange(n,0,22.5)?"ns-resize":F.Util._inRange(n,22.5,67.5)?"nesw-resize":F.Util._inRange(n,67.5,112.5)?"ew-resize":F.Util._inRange(n,112.5,157.5)?"nwse-resize":F.Util._inRange(n,157.5,202.5)?"ns-resize":F.Util._inRange(n,202.5,247.5)?"nesw-resize":F.Util._inRange(n,247.5,292.5)?"ew-resize":F.Util._inRange(n,292.5,337.5)?"nwse-resize":(F.Util.error("Transformer has unknown angle for cursor detection: "+n),"pointer")}(a,n);r.getStage().content.style.cursor=i,t.batchDraw()}),r.on("mouseout",function(){var t=this.getLayer();t&&(r.getStage().content.style.cursor="",t.batchDraw())}),this.add(r)},_createBack:function(){var t=new F.Shape({stroke:"rgb(0, 161, 255)",name:"back",width:0,height:0,listening:!1,sceneFunc:function(t){var e=this.getParent(),n=e.getPadding();t.beginPath(),t.rect(-n,-n,this.width()+2*n,this.height()+2*n),t.moveTo(this.width()/2,-n),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateHandlerOffset()*F.Util._sign(this.height())),t.fillStrokeShape(this)}});this.add(t)},_handleMouseDown:function(t){this.movingResizer=t.target.name();var e=this._getNodeRect(),n=e.width,i=e.height,a=Math.sqrt(Math.pow(n,2)+Math.pow(i,2));this.sin=i/a,this.cos=n/a,window.addEventListener("mousemove",this._handleMouseMove),window.addEventListener("touchmove",this._handleMouseMove),window.addEventListener("mouseup",this._handleMouseUp,!0),window.addEventListener("touchend",this._handleMouseUp,!0),this._transforming=!0,this.fire("transformstart"),this.getNode().fire("transformstart")},_handleMouseMove:function(t){var e,n,i,a=this.findOne("."+this.movingResizer),r=a.getStage().getContent().getBoundingClientRect(),o=r.left,s=r.top,h={x:(void 0!==t.clientX?t.clientX:t.touches[0].clientX)-o,y:(void 0!==t.clientX?t.clientY:t.touches[0].clientY)-s};a.setAbsolutePosition(h);var c=this.keepRatio()||t.shiftKey;if("top-left"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-right").x()-a.x(),2)+Math.pow(this.findOne(".bottom-right").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".top-left").x(this.findOne(".bottom-right").x()-e),this.findOne(".top-left").y(this.findOne(".bottom-right").y()-n));else if("top-center"===this.movingResizer)this.findOne(".top-left").y(a.y());else if("top-right"===this.movingResizer){c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-left").x()-a.x(),2)+Math.pow(this.findOne(".bottom-left").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".top-right").x(e),this.findOne(".top-right").y(this.findOne(".bottom-left").y()-n));var l=a.position();this.findOne(".top-left").y(l.y),this.findOne(".bottom-right").x(l.x)}else if("middle-left"===this.movingResizer)this.findOne(".top-left").x(a.x());else if("middle-right"===this.movingResizer)this.findOne(".bottom-right").x(a.x());else if("bottom-left"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".top-right").x()-a.x(),2)+Math.pow(this.findOne(".top-right").y()-a.y(),2)))*this.cos,n=i*this.sin,this.findOne(".bottom-left").x(this.findOne(".top-right").x()-e),this.findOne(".bottom-left").y(n)),l=a.position(),this.findOne(".top-left").x(l.x),this.findOne(".bottom-right").y(l.y);else if("bottom-center"===this.movingResizer)this.findOne(".bottom-right").y(a.y());else if("bottom-right"===this.movingResizer)c&&(e=(i=Math.sqrt(Math.pow(this.findOne(".bottom-right").x(),2)+Math.pow(this.findOne(".bottom-right").y(),2)))*this.cos,n=i*this.sin,this.findOne(".bottom-right").x(e),this.findOne(".bottom-right").y(n));else if("rotater"===this.movingResizer){var d=this.getPadding(),u=this._getNodeRect();e=a.x()-u.width/2,n=-a.y()+u.height/2;var f=Math.atan2(-n,e)+Math.PI/2;u.height<0&&(f-=Math.PI);for(var g=F.getAngle(this.rotation()),v=F.Util._radToDeg(g)+F.Util._radToDeg(f),p=F.getAngle(this.getNode().rotation()),m=F.Util._degToRad(v),_=this.rotationSnaps(),y=0;y<_.length;y++){var S=F.getAngle(_[y]);Math.abs(S-F.Util._degToRad(v))%(2*Math.PI)<.1&&(v=F.Util._radToDeg(S),m=F.Util._degToRad(v))}var K=d,x=d;this._fitNodeInto({rotation:F.angleDeg?v:F.Util._degToRad(v),x:u.x+(u.width/2+d)*(Math.cos(p)-Math.cos(m))+(u.height/2+d)*(Math.sin(-p)-Math.sin(-m))-(K*Math.cos(g)+x*Math.sin(-g)),y:u.y+(u.height/2+d)*(Math.cos(p)-Math.cos(m))+(u.width/2+d)*(Math.sin(p)-Math.sin(m))-(x*Math.cos(g)+K*Math.sin(g)),width:u.width+2*d,height:u.height+2*d})}else console.error(new Error("Wrong position argument of selection resizer: ",this.movingResizer));if("rotater"!==this.movingResizer){var C=this.findOne(".top-left").getAbsolutePosition(this.getParent());e=C.x,n=C.y;var b=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),w=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodeInto({x:e+this.offsetX(),y:n+this.offsetY(),width:b,height:w})}},_handleMouseUp:function(){this._removeEvents()},_removeEvents:function(){this._transforming&&(this._transforming=!1,window.removeEventListener("mousemove",this._handleMouseMove),window.removeEventListener("touchmove",this._handleMouseMove),window.removeEventListener("mouseup",this._handleMouseUp,!0),window.removeEventListener("touchend",this._handleMouseUp,!0),this.fire("transformend"),this.getNode().fire("transformend"))},_fitNodeInto:function(t){var e=this.getBoundBoxFunc();if(e){var n=this._getNodeRect();t=e.call(this,n,t)}this._settings=!0;var i=this.getNode();void 0!==t.rotation&&this.getNode().rotation(t.rotation);var a=i.getClientRect({skipTransform:!0}),r=this.getPadding(),o=(t.width-2*r)/a.width,s=(t.height-2*r)/a.height,h=F.getAngle(i.getRotation()),c=a.x*o-r,l=a.y*s-r;this.getNode().setAttrs({scaleX:o,scaleY:s,x:t.x-(c*Math.cos(h)+l*Math.sin(-h)),y:t.y-(l*Math.cos(h)+c*Math.sin(h))}),this._settings=!1,this.fire("transform"),this.getNode().fire("transform"),this.update(),this.getLayer().batchDraw()},forceUpdate:function(){this._clearCache(n),this.update()},update:function(){var t=this._getNodeRect(),e=t.width,n=t.height,i=this.enabledHandlers(),a=this.resizeEnabled(),r=this.getPadding();this.findOne(".top-left").setAttrs({x:-r,y:-r,visible:a&&0<=i.indexOf("top-left")}),this.findOne(".top-center").setAttrs({x:e/2,y:-r,visible:a&&0<=i.indexOf("top-center")}),this.findOne(".top-right").setAttrs({x:e+r,y:-r,visible:a&&0<=i.indexOf("top-right")}),this.findOne(".middle-left").setAttrs({x:-r,y:n/2,visible:a&&0<=i.indexOf("middle-left")}),this.findOne(".middle-right").setAttrs({x:e+r,y:n/2,visible:a&&0<=i.indexOf("middle-right")}),this.findOne(".bottom-left").setAttrs({x:-r,y:n+r,visible:a&&0<=i.indexOf("bottom-left")}),this.findOne(".bottom-center").setAttrs({x:e/2,y:n+r,visible:a&&0<=i.indexOf("bottom-center")}),this.findOne(".bottom-right").setAttrs({x:e+r,y:n+r,visible:a&&0<=i.indexOf("bottom-right")}),this.findOne(".rotater").setAttrs({x:e/2,y:-this.rotateHandlerOffset()*F.Util._sign(n),visible:this.rotateEnabled()}),this.findOne(".back").setAttrs({width:e,height:n,visible:this.lineEnabled()})},isTransforming:function(){return this._transforming},stopTransform:function(){this._transforming&&this._removeEvents()},destroy:function(){F.Group.prototype.destroy.call(this),this.detach(),this._removeEvents()},toObject:function(){return F.Node.prototype.toObject.call(this)}},F.Util.extend(F.Transformer,F.Group),F.Factory.addGetterSetter(F.Transformer,"enabledHandlers",a,function(t){return t instanceof Array||F.Util.warn("enabledHandlers value should be an array"),t instanceof Array&&t.forEach(function(t){-1===a.indexOf(t)&&F.Util.warn("Unknown resizer name: "+t+". Available names are: "+a.join(", "))}),t||[]}),F.Factory.addGetterSetter(F.Transformer,"resizeEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"rotateEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"rotationSnaps",[]),F.Factory.addGetterSetter(F.Transformer,"rotateHandlerOffset",50),F.Factory.addGetterSetter(F.Transformer,"lineEnabled",!0),F.Factory.addGetterSetter(F.Transformer,"keepRatio",!0),F.Factory.addGetterSetter(F.Transformer,"padding",0),F.Factory.addOverloadedGetterSetter(F.Transformer,"node"),F.Factory.addGetterSetter(F.Transformer,"boundBoxFunc"),F.Collection.mapMethods(F.Transformer)}(Konva);
\ No newline at end of file
diff --git a/src/Stage.js b/src/Stage.js
index 921887a1..c4debeb7 100644
--- a/src/Stage.js
+++ b/src/Stage.js
@@ -539,6 +539,7 @@
         } else if (!dd || !dd.justDragged) {
           // don't set inDblClickWindow after dragging
           Konva.inDblClickWindow = true;
+          clearTimeout(this.dblTimeout);
         } else if (dd) {
           dd.justDragged = false;
         }
@@ -646,6 +647,7 @@
         // Konva.inDblClickWindow = false;
       } else {
         Konva.inDblClickWindow = true;
+        clearTimeout(this.dblTimeout);
       }
 
       this.dblTimeout = setTimeout(function() {
diff --git a/src/shapes/Transformer.js b/src/shapes/Transformer.js
index b65c52f2..dc38f2f9 100644
--- a/src/shapes/Transformer.js
+++ b/src/shapes/Transformer.js
@@ -84,7 +84,6 @@
    * primitives and shapes.
    * @constructor
    * @memberof Konva
-   * @augments Konva.Container
    * @param {Object} config
    * @param {Boolean} [config.resizeEnabled] Default is true
    * @param {Boolean} [config.rotateEnabled] Default is true
@@ -94,8 +93,6 @@
    * @param {Number} [config.lineEnabled] Should we draw border? Default is true
    * @param {Boolean} [config.keepRatio] Should we keep ratio when we are moving edges? Default is true
    * @param {Array} [config.enabledHandlers] Array of names of enabled handles
-   * @@nodeParams
-   * @@containerParams
    * @example
    * var transformer = new Konva.Transformer({
    *   node: rectangle,
@@ -154,6 +151,14 @@
       this.setNode(node);
     },
 
+    /**
+     * attach transformer to a Konva.Node. Transformer will adapt it its size and listed events
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Konva.Transformer}
+     * @example
+     * transformer.attachTo(shape);
+     */
     setNode: function(node) {
       if (this._node) {
         this.detach();
@@ -169,19 +174,27 @@
           this._clearSelfAndDescendantCache('absoluteTransform');
         }.bind(this)
       );
-      // node.on(TRANSFORM_CHANGE_STR, this.requestUpdate.bind(this));
-      // node.on('dragmove.resizer', this.requestUpdate.bind(this));
 
+      // TODO: why do we need this?
       var elementsCreated = !!this.findOne('.top-left');
       if (elementsCreated) {
         this.update();
       }
+      return this;
     },
 
     getNode: function() {
       return this._node;
     },
 
+    /**
+     * detach transformer from a attached node
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Konva.Transformer}
+     * @example
+     * transformer.detach();
+     */
     detach: function() {
       if (this.getNode()) {
         this.getNode().off('.resizer');
@@ -598,21 +611,9 @@
       this.update();
       this.getLayer().batchDraw();
     },
-
-    requestUpdate: function() {
-      if (this.timeout) {
-        return;
-      }
-      this.timeout = setTimeout(
-        function() {
-          this.timeout = null;
-          this.update();
-        }.bind(this)
-      );
-    },
-
     /**
-     * force update of Transformer
+     * force update of Konva.Transformer.
+     * Use it when you updated attached Konva.Group and now you need to reset transformer size
      * @method
      * @memberof Konva.Transformer.prototype
      */
@@ -682,9 +683,21 @@
         visible: this.lineEnabled()
       });
     },
+    /**
+     * determine if transformer is in active transform
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Boolean}
+     */
     isTransforming: function() {
       return this._transforming;
     },
+    /**
+     * Stop active transform action
+     * @method
+     * @memberof Konva.Transformer.prototype
+     * @returns {Boolean}
+     */
     stopTransform: function() {
       if (this._transforming) {
         this._removeEvents();
diff --git a/test/functional/MouseEvents-test.js b/test/functional/MouseEvents-test.js
index 399d9347..5e62a0f4 100644
--- a/test/functional/MouseEvents-test.js
+++ b/test/functional/MouseEvents-test.js
@@ -1,7 +1,4 @@
 suite('MouseEvents', function() {
-  // NOTE: disable throttling so these tests can run synchronously
-  Konva.enableThrottling = false;
-
   // ======================================================
   test('stage content mouse events', function(done) {
     var stage = addStage();
@@ -1864,7 +1861,97 @@ suite('MouseEvents', function() {
         assert.equal(smallDblClicks, 1, 'single dblclick on small rect');
 
         done();
-      }, 200);
-    }, 200);
+      });
+    });
+  });
+
+  it('double click after drag should trigger event', function(done) {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+    stage.add(layer);
+
+    var bigRect = new Konva.Rect({
+      x: 0,
+      y: 0,
+      width: 200,
+      height: 200,
+      fill: 'yellow',
+      draggable: true
+    });
+    layer.add(bigRect);
+
+    var smallShape = new Konva.Circle({
+      x: 100,
+      y: 100,
+      width: 100,
+      fill: 'red'
+    });
+    layer.add(smallShape);
+    layer.draw();
+
+    var bigClicks = 0;
+    var smallClicks = 0;
+    var smallDblClicks = 0;
+
+    bigRect.on('click', function() {
+      bigClicks += 1;
+    });
+
+    smallShape.on('click', function() {
+      smallClicks += 1;
+    });
+
+    smallShape.on('dblclick', function() {
+      smallDblClicks += 1;
+    });
+
+    stage.simulateMouseDown({
+      x: 10,
+      y: 10
+    });
+    stage.simulateMouseMove({
+      x: 15,
+      y: 15
+    });
+    stage.simulateMouseUp({
+      x: 15,
+      y: 15
+    });
+
+    assert.equal(bigClicks, 0, 'single click on big rect');
+    assert.equal(smallClicks, 0, 'no  click on small rect');
+    assert.equal(smallDblClicks, 0, 'no dblclick on small rect');
+
+    setTimeout(function() {
+      stage.simulateMouseDown({
+        x: 100,
+        y: 100
+      });
+      stage.simulateMouseUp({
+        x: 100,
+        y: 100
+      });
+
+      assert.equal(bigClicks, 0, 'single click on big rect');
+      assert.equal(smallClicks, 1, 'single click on small rect');
+      assert.equal(smallDblClicks, 0, 'no dblclick on small rect');
+
+      setTimeout(function() {
+        stage.simulateMouseDown({
+          x: 100,
+          y: 100
+        });
+        stage.simulateMouseUp({
+          x: 100,
+          y: 100
+        });
+
+        assert.equal(bigClicks, 0, 'single click on big rect');
+        assert.equal(smallClicks, 2, 'second click on small rect');
+        assert.equal(smallDblClicks, 1, 'single dblclick on small rect');
+
+        done();
+      });
+    });
   });
 });