konva.js

/*! For license information please see konva.js.LICENSE.txt */
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r=i.node,a=r.getStage();a.setPointersPositions(t),void 0===i.pointerId&&(i.pointerId=G._getFirstPointerId(t));var o=a._changedPointerPositions.find((function(t){return t.id===i.pointerId}));if(o){if("dragging"!==i.dragStatus){var s=r.dragDistance();if(Math.max(Math.abs(o.x-i.startPointerPos.x),Math.abs(o.y-i.startPointerPos.y))<s)return;if(r.startDrag({evt:t}),!r.isDragging())return}r._setDragPosition(t,i),e.push(r)}})),e.forEach((function(e){e.fire("dragmove",{type:"dragmove",target:e,evt:t},!0)}))},_endDragBefore:function(t){var e=[];Q._dragElements.forEach((function(i){var n=i.node.getStage();if(t&&n.setPointersPositions(t),n._changedPointerPositions.find((function(t){return t.id===i.pointerId}))){"dragging"!==i.dragStatus&&"stopped"!==i.dragStatus||(Q.justDragged=!0,u._mouseListenClick=!1,u._touchListenClick=!1,u._pointerListenClick=!1,i.dragStatus="stopped");var r=i.node.getLayer()||i.node instanceof u.Stage&&i.node;r&&-1===e.indexOf(r)&&e.push(r)}})),e.forEach((function(t){t.draw()}))},_endDragAfter:function(t){Q._dragElements.forEach((function(e,i){"stopped"===e.dragStatus&&e.node.fire("dragend",{type:"dragend",target:e.node,evt:t},!0),"dragging"!==e.dragStatus&&Q._dragElements.delete(i)}))}};u.isBrowser&&(window.addEventListener("mouseup",Q._endDragBefore,!0),window.addEventListener("touchend",Q._endDragBefore,!0),window.addEventListener("mousemove",Q._drag),window.addEventListener("touchmove",Q._drag),window.addEventListener("mouseup",Q._endDragAfter,!1),window.addEventListener("touchend",Q._endDragAfter,!1));var J="absoluteOpacity",Z="allEventListeners",$="absoluteTransform",tt="absoluteScale",et="canvas",it="listening",nt="mouseenter",rt="mouseleave",at="Shape",ot=" ",st="stage",ht="transform",lt="visible",ut=["xChange.konva","yChange.konva","scaleXChange.konva","scaleYChange.konva","skewXChange.konva","skewYChange.konva","rotationChange.konva","offsetXChange.konva","offsetYChange.konva","transformsEnabledChange.konva"].join(ot),ct=1,dt=function(){function t(e){_(this,t),this._id=ct++,this.eventListeners={},this.attrs={},this.index=0,this._allEventListeners=null,this.parent=null,this._cache=new Map,this._attachedDepsListeners=new Map,this._lastPos=null,this._batchingTransformChange=!1,this._needClearTransformCache=!1,this._filterUpToDate=!1,this._isUnderCache=!1,this._dragEventId=null,this._shouldFireChangeEvents=!1,this.setAttrs(e),this._shouldFireChangeEvents=!0}return b(t,[{key:"hasChildren",value:function(){return!1}},{key:"_clearCache",value:function(t){t!==ht&&t!==$||!this._cache.get(t)?t?this._cache.delete(t):this._cache.clear():this._cache.get(t).dirty=!0}},{key:"_getCache",value:function(t,e){var i=this._cache.get(t);return(void 0===i||(t===ht||t===$)&&!0===i.dirty)&&(i=e.call(this),this._cache.set(t,i)),i}},{key:"_calculate",value:function(t,e,i){var n=this;if(!this._attachedDepsListeners.get(t)){var r=e.map((function(t){return t+"Change.konva"})).join(ot);this.on(r,(function(){n._clearCache(t)})),this._attachedDepsListeners.set(t,!0)}return this._getCache(t,i)}},{key:"_getCanvasCache",value:function(){return this._cache.get(et)}},{key:"_clearSelfAndDescendantCache",value:function(t){this._clearCache(t),t===$&&this.fire("absoluteTransformChange")}},{key:"clearCache",value:function(){if(this._cache.has(et)){var t=this._cache.get(et),e=t.scene,i=t.filter,n=t.hit;G.releaseCanvas(e,i,n),this._cache.delete(et)}return this._clearSelfAndDescendantCache(),this._requestDraw(),this}},{key:"cache",value:function(t){var e=t||{},i={};void 0!==e.x&&void 0!==e.y&&void 0!==e.width&&void 0!==e.height||(i=this.getClientRect({skipTransform:!0,relativeTo:this.getParent()}));var n=Math.ceil(e.width||i.width),r=Math.ceil(e.height||i.height),a=e.pixelRatio,o=void 0===e.x?Math.floor(i.x):e.x,s=void 0===e.y?Math.floor(i.y):e.y,h=e.offset||0,l=e.drawBorder||!1,u=e.hitCanvasPixelRatio||1;if(n&&r){o-=h,s-=h;var c=new V({pixelRatio:a,width:n+=2*h+1,height:r+=2*h+1}),d=new V({pixelRatio:a,width:0,height:0,willReadFrequently:!0}),f=new K({pixelRatio:u,width:n,height:r}),g=c.getContext(),v=f.getContext();return f.isCache=!0,c.isCache=!0,this._cache.delete(et),this._filterUpToDate=!1,!1===e.imageSmoothingEnabled&&(c.getContext()._context.imageSmoothingEnabled=!1,d.getContext()._context.imageSmoothingEnabled=!1),g.save(),v.save(),g.translate(-o,-s),v.translate(-o,-s),this._isUnderCache=!0,this._clearSelfAndDescendantCache(J),this._clearSelfAndDescendantCache(tt),this.drawScene(c,this),this.drawHit(f,this),this._isUnderCache=!1,g.restore(),v.restore(),l&&(g.save(),g.beginPath(),g.rect(0,0,n,r),g.closePath(),g.setAttr("strokeStyle","red"),g.setAttr("lineWidth",5),g.stroke(),g.restore()),this._cache.set(et,{scene:c,filter:d,hit:f,x:o,y:s}),this._requestDraw(),this}G.error("Can not cache the node. Width or height of the node equals 0. Caching is skipped.")}},{key:"isCached",value:function(){return this._cache.has(et)}},{key:"getClientRect",value:function(t){throw new Error('abstract "getClientRect" method call')}},{key:"_transformedRect",value:function(t,e){var i,n,r,a,o=[{x:t.x,y:t.y},{x:t.x+t.width,y:t.y},{x:t.x+t.width,y:t.y+t.height},{x:t.x,y:t.y+t.height}],s=this.getAbsoluteTransform(e);return o.forEach((function(t){var e=s.point(t);void 0===i&&(i=r=e.x,n=a=e.y),i=Math.min(i,e.x),n=Math.min(n,e.y),r=Math.max(r,e.x),a=Math.max(a,e.y)})),{x:i,y:n,width:r-i,height:a-n}}},{key:"_drawCachedSceneCanvas",value:function(t){t.save(),t._applyOpacity(this),t._applyGlobalCompositeOperation(this);var e=this._getCanvasCache();t.translate(e.x,e.y);var i=this._getCachedSceneCanvas(),n=i.pixelRatio;t.drawImage(i._canvas,0,0,i.width/n,i.height/n),t.restore()}},{key:"_drawCachedHitCanvas",value:function(t){var e=this._getCanvasCache(),i=e.hit;t.save(),t.translate(e.x,e.y),t.drawImage(i._canvas,0,0,i.width/i.pixelRatio,i.height/i.pixelRatio),t.restore()}},{key:"_getCachedSceneCanvas",value:function(){var t,e,i,n,r=this.filters(),a=this._getCanvasCache(),o=a.scene,s=a.filter,h=s.getContext();if(r){if(!this._filterUpToDate){var l=o.pixelRatio;s.setSize(o.width/o.pixelRatio,o.height/o.pixelRatio);try{for(t=r.length,h.clear(),h.drawImage(o._canvas,0,0,o.getWidth()/l,o.getHeight()/l),e=h.getImageData(0,0,s.getWidth(),s.getHeight()),i=0;i<t;i++)"function"==typeof(n=r[i])?(n.call(this,e),h.putImageData(e,0,0)):G.error("Filter should be type of function, but got "+S(n)+" instead. Please check correct filters")}catch(t){G.error("Unable to apply filter. "+t.message+" This post my help you https://konvajs.org/docs/posts/Tainted_Canvas.html.")}this._filterUpToDate=!0}return s}return o}},{key:"on",value:function(t,e){if(this._cache&&this._cache.delete(Z),3===arguments.length)return this._delegate.apply(this,arguments);var i,n,r,a,o=t.split(ot),s=o.length;for(i=0;i<s;i++)r=(n=o[i].split("."))[0],a=n[1]||"",this.eventListeners[r]||(this.eventListeners[r]=[]),this.eventListeners[r].push({name:a,handler:e});return this}},{key:"off",value:function(t,e){var i,n,r,a,o,s=(t||"").split(ot),h=s.length;if(this._cache&&this._cache.delete(Z),!t)for(n in this.eventListeners)this._off(n);for(i=0;i<h;i++)if(a=(r=s[i].split("."))[0],o=r[1],a)this.eventListeners[a]&&this._off(a,o,e);else for(n in this.eventListeners)this._off(n,o,e);return this}},{key:"dispatchEvent",value:function(t){var e={target:this,type:t.type,evt:t};return this.fire(t.type,e),this}},{key:"addEventListener",value:function(t,e){return this.on(t,(function(t){e.call(this,t.evt)})),this}},{key:"removeEventListener",value:function(t){return this.off(t),this}},{key:"_delegate",value:function(t,e,i){var n=this;this.on(t,(function(t){for(var r=t.target.findAncestors(e,!0,n),a=0;a<r.length;a++)(t=G.cloneObject(t)).currentTarget=r[a],i.call(r[a],t)}))}},{key:"remove",value:function(){return this.isDragging()&&this.stopDrag(),Q._dragElements.delete(this._id),this._remove(),this}},{key:"_clearCaches",value:function(){this._clearSelfAndDescendantCache($),this._clearSelfAndDescendantCache(J),this._clearSelfAndDescendantCache(tt),this._clearSelfAndDescendantCache(st),this._clearSelfAndDescendantCache(lt),this._clearSelfAndDescendantCache(it)}},{key:"_remove",value:function(){this._clearCaches();var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)}},{key:"destroy",value:function(){return this.remove(),this.clearCache(),this}},{key:"getAttr",value:function(t){var e="get"+G._capitalize(t);return G._isFunction(this[e])?this[e]():this.attrs[t]}},{key:"getAncestors",value:function(){for(var t=this.getParent(),e=[];t;)e.push(t),t=t.getParent();return e}},{key:"getAttrs",value:function(){return this.attrs||{}}},{key:"setAttrs",value:function(t){var e=this;return this._batchTransformChanges((function(){var i,n;if(!t)return e;for(i in t)"children"!==i&&(n="set"+G._capitalize(i),G._isFunction(e[n])?e[n](t[i]):e._setAttr(i,t[i]))})),this}},{key:"isListening",value:function(){return this._getCache(it,this._isListening)}},{key:"_isListening",value:function(t){if(!this.listening())return!1;var e=this.getParent();return!e||e===t||this===t||e._isListening(t)}},{key:"isVisible",value:function(){return this._getCache(lt,this._isVisible)}},{key:"_isVisible",value:function(t){if(!this.visible())return!1;var e=this.getParent();return!e||e===t||this===t||e._isVisible(t)}},{key:"shouldDrawHit",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(t)return this._isVisible(t)&&this._isListening(t);var i=this.getLayer(),n=!1;Q._dragElements.forEach((function(t){"dragging"===t.dragStatus&&("Stage"===t.node.nodeType||t.node.getLayer()===i)&&(n=!0)}));var r=!e&&!u.hitOnDragEnabled&&n;return this.isListening()&&this.isVisible()&&!r}},{key:"show",value:function(){return this.visible(!0),this}},{key:"hide",value:function(){return this.visible(!1),this}},{key:"getZIndex",value:function(){return this.index||0}},{key:"getAbsoluteZIndex",value:function(){var t,e,i,n,r=this.getDepth(),a=this,o=0;return"Stage"!==a.nodeType&&function s(h){for(t=[],e=h.length,i=0;i<e;i++)n=h[i],o++,n.nodeType!==at&&(t=t.concat(n.getChildren().slice())),n._id===a._id&&(i=e);t.length>0&&t[0].getDepth()<=r&&s(t)}(a.getStage().getChildren()),o}},{key:"getDepth",value:function(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t}},{key:"_batchTransformChanges",value:function(t){this._batchingTransformChange=!0,t(),this._batchingTransformChange=!1,this._needClearTransformCache&&(this._clearCache(ht),this._clearSelfAndDescendantCache($)),this._needClearTransformCache=!1}},{key:"setPosition",value:function(t){var e=this;return this._batchTransformChanges((function(){e.x(t.x),e.y(t.y)})),this}},{key:"getPosition",value:function(){return{x:this.x(),y:this.y()}}},{key:"getRelativePointerPosition",value:function(){if(!this.getStage())return null;var t=this.getStage().getPointerPosition();if(!t)return null;var e=this.getAbsoluteTransform().copy();return e.invert(),e.point(t)}},{key:"getAbsolutePosition",value:function(t){for(var e=!1,i=this.parent;i;){if(i.isCached()){e=!0;break}i=i.parent}e&&!t&&(t=!0);var n=this.getAbsoluteTransform(t).getMatrix(),r=new k,a=this.offset();return r.m=n.slice(),r.translate(a.x,a.y),r.getTranslation()}},{key:"setAbsolutePosition",value:function(t){var e=this._clearTransform();this.attrs.x=e.x,this.attrs.y=e.y,delete e.x,delete e.y,this._clearCache(ht);var i=this._getAbsoluteTransform().copy();return i.invert(),i.translate(t.x,t.y),t={x:this.attrs.x+i.getTranslation().x,y:this.attrs.y+i.getTranslation().y},this._setTransform(e),this.setPosition({x:t.x,y:t.y}),this._clearCache(ht),this._clearSelfAndDescendantCache($),this}},{key:"_setTransform",value:function(t){var e;for(e in t)this.attrs[e]=t[e]}},{key:"_clearTransform",value:function(){var t={x:this.x(),y:this.y(),rotation:this.rotation(),scaleX:this.scaleX(),scaleY:this.scaleY(),offsetX:this.offsetX(),offsetY:this.offsetY(),skewX:this.skewX(),skewY:this.skewY()};return this.attrs.x=0,this.attrs.y=0,this.attrs.rotation=0,this.attrs.scaleX=1,this.attrs.scaleY=1,this.attrs.offsetX=0,this.attrs.offsetY=0,this.attrs.skewX=0,this.attrs.skewY=0,t}},{key:"move",value:function(t){var e=t.x,i=t.y,n=this.x(),r=this.y();return void 0!==e&&(n+=e),void 0!==i&&(r+=i),this.setPosition({x:n,y:r}),this}},{key:"_eachAncestorReverse",value:function(t,e){var i,n,r=[],a=this.getParent();if(!e||e._id!==this._id){for(r.unshift(this);a&&(!e||a._id!==e._id);)r.unshift(a),a=a.parent;for(i=r.length,n=0;n<i;n++)t(r[n])}}},{key:"rotate",value:function(t){return this.rotation(this.rotation()+t),this}},{key:"moveToTop",value:function(){if(!this.parent)return G.warn("Node has no parent. moveToTop function is ignored."),!1;var t=this.index;return t<this.parent.getChildren().length-1&&(this.parent.children.splice(t,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0)}},{key:"moveUp",value:function(){if(!this.parent)return G.warn("Node has no parent. moveUp function is ignored."),!1;var t=this.index;return t<this.parent.getChildren().length-1&&(this.parent.children.splice(t,1),this.parent.children.splice(t+1,0,this),this.parent._setChildrenIndices(),!0)}},{key:"moveDown",value:function(){if(!this.parent)return G.warn("Node has no parent. moveDown function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.splice(t-1,0,this),this.parent._setChildrenIndices(),!0)}},{key:"moveToBottom",value:function(){if(!this.parent)return G.warn("Node has no parent. moveToBottom function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0)}},{key:"setZIndex",value:function(t){if(!this.parent)return G.warn("Node has no parent. zIndex parameter is ignored."),this;(t<0||t>=this.parent.children.length)&&G.warn("Unexpected value "+t+" for zIndex property. zIndex is just index of a node in children of its parent. Expected value is from 0 to "+(this.parent.children.length-1)+".");var e=this.index;return this.parent.children.splice(e,1),this.parent.children.splice(t,0,this),this.parent._setChildrenIndices(),this}},{key:"getAbsoluteOpacity",value:function(){return this._getCache(J,this._getAbsoluteOpacity)}},{key:"_getAbsoluteOpacity",value:function(){var t=this.opacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=e.getAbsoluteOpacity()),t}},{key:"moveTo",value:function(t){return this.getParent()!==t&&(this._remove(),t.add(this)),this}},{key:"toObject",value:function(){var t,e,i,n,r={},a=this.getAttrs();for(t in r.attrs={},a)e=a[t],G.isObject(e)&&!G._isPlainObject(e)&&!G._isArray(e)||(i="function"==typeof this[t]&&this[t],delete a[t],n=i?i.call(this):null,a[t]=e,n!==e&&(r.attrs[t]=e));return r.className=this.getClassName(),G._prepareToStringify(r)}},{key:"toJSON",value:function(){return JSON.stringify(this.toObject())}},{key:"getParent",value:function(){return this.parent}},{key:"findAncestors",value:function(t,e,i){var n=[];e&&this._isMatch(t)&&n.push(this);for(var r=this.parent;r;){if(r===i)return n;r._isMatch(t)&&n.push(r),r=r.parent}return n}},{key:"isAncestorOf",value:function(t){return!1}},{key:"findAncestor",value:function(t,e,i){return this.findAncestors(t,e,i)[0]}},{key:"_isMatch",value:function(t){if(!t)return!1;if("function"==typeof t)return t(this);var e,i,n=t.replace(/ /g,"").split(","),r=n.length;for(e=0;e<r;e++)if(i=n[e],G.isValidSelector(i)||(G.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),G.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),G.warn("Konva is awesome, right?")),"#"===i.charAt(0)){if(this.id()===i.slice(1))return!0}else if("."===i.charAt(0)){if(this.hasName(i.slice(1)))return!0}else if(this.className===i||this.nodeType===i)return!0;return!1}},{key:"getLayer",value:function(){var t=this.getParent();return t?t.getLayer():null}},{key:"getStage",value:function(){return this._getCache(st,this._getStage)}},{key:"_getStage",value:function(){var t=this.getParent();return t?t.getStage():void 0}},{key:"fire",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=arguments.length>2?arguments[2]:void 0;return e.target=e.target||this,i?this._fireAndBubble(t,e):this._fire(t,e),this}},{key:"getAbsoluteTransform",value:function(t){return t?this._getAbsoluteTransform(t):this._getCache($,this._getAbsoluteTransform)}},{key:"_getAbsoluteTransform",value:function(t){var e;if(t)return e=new k,this._eachAncestorReverse((function(t){var i=t.transformsEnabled();"all"===i?e.multiply(t.getTransform()):"position"===i&&e.translate(t.x()-t.offsetX(),t.y()-t.offsetY())}),t),e;e=this._cache.get($)||new k,this.parent?this.parent.getAbsoluteTransform().copyInto(e):e.reset();var i=this.transformsEnabled();if("all"===i)e.multiply(this.getTransform());else if("position"===i){var n=this.attrs.x||0,r=this.attrs.y||0,a=this.attrs.offsetX||0,o=this.attrs.offsetY||0;e.translate(n-a,r-o)}return e.dirty=!1,e}},{key:"getAbsoluteScale",value:function(t){for(var e=this;e;)e._isUnderCache&&(t=e),e=e.getParent();var i=this.getAbsoluteTransform(t).decompose();return{x:i.scaleX,y:i.scaleY}}},{key:"getAbsoluteRotation",value:function(){return this.getAbsoluteTransform().decompose().rotation}},{key:"getTransform",value:function(){return this._getCache(ht,this._getTransform)}},{key:"_getTransform",value:function(){var t,e,i=this._cache.get(ht)||new k;i.reset();var n=this.x(),r=this.y(),a=u.getAngle(this.rotation()),o=null!==(t=this.attrs.scaleX)&&void 0!==t?t:1,s=null!==(e=this.attrs.scaleY)&&void 0!==e?e:1,h=this.attrs.skewX||0,l=this.attrs.skewY||0,c=this.attrs.offsetX||0,d=this.attrs.offsetY||0;return 0===n&&0===r||i.translate(n,r),0!==a&&i.rotate(a),0===h&&0===l||i.skew(h,l),1===o&&1===s||i.scale(o,s),0===c&&0===d||i.translate(-1*c,-1*d),i.dirty=!1,i}},{key:"clone",value:function(t){var e,i,n,r,a,o=G.cloneObject(this.attrs);for(e in t)o[e]=t[e];var s=new this.constructor(o);for(e in this.eventListeners)for(n=(i=this.eventListeners[e]).length,r=0;r<n;r++)(a=i[r]).name.indexOf("konva")<0&&(s.eventListeners[e]||(s.eventListeners[e]=[]),s.eventListeners[e].push(a));return s}},{key:"_toKonvaCanvas",value:function(t){t=t||{};var e=this.getClientRect(),i=this.getStage(),n=void 0!==t.x?t.x:Math.floor(e.x),r=void 0!==t.y?t.y:Math.floor(e.y),a=t.pixelRatio||1,o=new V({width:t.width||Math.ceil(e.width)||(i?i.width():0),height:t.height||Math.ceil(e.height)||(i?i.height():0),pixelRatio:a}),s=o.getContext();return!1===t.imageSmoothingEnabled&&(s._context.imageSmoothingEnabled=!1),s.save(),(n||r)&&s.translate(-1*n,-1*r),this.drawScene(o),s.restore(),o}},{key:"toCanvas",value:function(t){return this._toKonvaCanvas(t)._canvas}},{key:"toDataURL",value:function(t){var e=(t=t||{}).mimeType||null,i=t.quality||null,n=this._toKonvaCanvas(t).toDataURL(e,i);return t.callback&&t.callback(n),n}},{key:"toImage",value:function(t){var e=this;return new Promise((function(i,n){try{var r=null==t?void 0:t.callback;r&&delete t.callback,G._urlToImage(e.toDataURL(t),(function(t){i(t),null==r||r(t)}))}catch(t){n(t)}}))}},{key:"toBlob",value:function(t){var e=this;return new Promise((function(i,n){try{var r=null==t?void 0:t.callback;r&&delete t.callback,e.toCanvas(t).toBlob((function(t){i(t),null==r||r(t)}))}catch(t){n(t)}}))}},{key:"setSize",value:function(t){return this.width(t.width),this.height(t.height),this}},{key:"getSize",value:function(){return{width:this.width(),height:this.height()}}},{key:"getClassName",value:function(){return this.className||this.nodeType}},{key:"getType",value:function(){return this.nodeType}},{key:"getDragDistance",value:function(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():u.dragDistance}},{key:"_off",value:function(t,e,i){var n,r,a,o=this.eventListeners[t];for(n=0;n<o.length;n++)if(r=o[n].name,a=o[n].handler,!("konva"===r&&"konva"!==e||e&&r!==e||i&&i!==a)){if(o.splice(n,1),0===o.length){delete this.eventListeners[t];break}n--}}},{key:"_fireChangeEvent",value:function(t,e,i){this._fire(t+"Change",{oldVal:e,newVal:i})}},{key:"addName",value:function(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.name(i)}return this}},{key:"hasName",value:function(t){if(!t)return!1;var e=this.name();return!!e&&-1!==(e||"").split(/\s/g).indexOf(t)}},{key:"removeName",value:function(t){var e=(this.name()||"").split(/\s/g),i=e.indexOf(t);return-1!==i&&(e.splice(i,1),this.name(e.join(" "))),this}},{key:"setAttr",value:function(t,e){var i=this["set"+G._capitalize(t)];return G._isFunction(i)?i.call(this,e):this._setAttr(t,e),this}},{key:"_requestDraw",value:function(){if(u.autoDrawEnabled){var t=this.getLayer()||this.getStage();null==t||t.batchDraw()}}},{key:"_setAttr",value:function(t,e){var i=this.attrs[t];(i!==e||G.isObject(e))&&(null==e?delete this.attrs[t]:this.attrs[t]=e,this._shouldFireChangeEvents&&this._fireChangeEvent(t,i,e),this._requestDraw())}},{key:"_setComponentAttr",value:function(t,e,i){var n;void 0!==i&&((n=this.attrs[t])||(this.attrs[t]=this.getAttr(t)),this.attrs[t][e]=i,this._fireChangeEvent(t,n,i))}},{key:"_fireAndBubble",value:function(t,e,i){if(e&&this.nodeType===at&&(e.target=this),t!==nt&&t!==rt||!(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i)){this._fire(t,e);var n=(t===nt||t===rt)&&i&&i.isAncestorOf&&i.isAncestorOf(this)&&!i.isAncestorOf(this.parent);(e&&!e.cancelBubble||!e)&&this.parent&&this.parent.isListening()&&!n&&(i&&i.parent?this._fireAndBubble.call(this.parent,t,e,i):this._fireAndBubble.call(this.parent,t,e))}}},{key:"_getProtoListeners",value:function(t){var e,i,n,r=null!==(e=this._cache.get(Z))&&void 0!==e?e:{},a=null==r?void 0:r[t];if(void 0===a){a=[];for(var o=Object.getPrototypeOf(this);o;){var s,l=null!==(n=null===(i=o.eventListeners)||void 0===i?void 0:i[t])&&void 0!==n?n:[];(s=a).push.apply(s,h(l)),o=Object.getPrototypeOf(o)}r[t]=a,this._cache.set(Z,r)}return a}},{key:"_fire",value:function(t,e){(e=e||{}).currentTarget=this,e.type=t;var i=this._getProtoListeners(t);if(i)for(var n=0;n<i.length;n++)i[n].handler.call(this,e);var r=this.eventListeners[t];if(r)for(n=0;n<r.length;n++)r[n].handler.call(this,e)}},{key:"draw",value:function(){return this.drawScene(),this.drawHit(),this}},{key:"_createDragElement",value:function(t){var e=t?t.pointerId:void 0,i=this.getStage(),n=this.getAbsolutePosition(),r=i._getPointerById(e)||i._changedPointerPositions[0]||n;Q._dragElements.set(this._id,{node:this,startPointerPos:r,offset:{x:r.x-n.x,y:r.y-n.y},dragStatus:"ready",pointerId:e})}},{key:"startDrag",value:function(t){var e=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];Q._dragElements.has(this._id)||this._createDragElement(t),Q._dragElements.get(this._id).dragStatus="dragging",this.fire("dragstart",{type:"dragstart",target:this,evt:t&&t.evt},e)}},{key:"_setDragPosition",value:function(t,e){var i=this.getStage()._getPointerById(e.pointerId);if(i){var n={x:i.x-e.offset.x,y:i.y-e.offset.y},r=this.dragBoundFunc();if(void 0!==r){var a=r.call(this,n,t);a?n=a:G.warn("dragBoundFunc did not return any value. That is unexpected behavior. You must return new absolute position from dragBoundFunc.")}this._lastPos&&this._lastPos.x===n.x&&this._lastPos.y===n.y||(this.setAbsolutePosition(n),this._requestDraw()),this._lastPos=n}}},{key:"stopDrag",value:function(t){var e=Q._dragElements.get(this._id);e&&(e.dragStatus="stopped"),Q._endDragBefore(t),Q._endDragAfter(t)}},{key:"setDraggable",value:function(t){this._setAttr("draggable",t),this._dragChange()}},{key:"isDragging",value:function(){var t=Q._dragElements.get(this._id);return!!t&&"dragging"===t.dragStatus}},{key:"_listenDrag",value:function(){this._dragCleanup(),this.on("mousedown.konva touchstart.konva",(function(t){var e=this;if((void 0===t.evt.button||u.dragButtons.indexOf(t.evt.button)>=0)&&!this.isDragging()){var i=!1;Q._dragElements.forEach((function(t){e.isAncestorOf(t.node)&&(i=!0)})),i||this._createDragElement(t)}}))}},{key:"_dragChange",value:function(){if(this.attrs.draggable)this._listenDrag();else{if(this._dragCleanup(),!this.getStage())return;var t=Q._dragElements.get(this._id),e=t&&"dragging"===t.dragStatus,i=t&&"ready"===t.dragStatus;e?this.stopDrag():i&&Q._dragElements.delete(this._id)}}},{key:"_dragCleanup",value:function(){this.off("mousedown.konva"),this.off("touchstart.konva")}},{key:"isClientRectOnScreen",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{x:0,y:0},e=this.getStage();if(!e)return!1;var i={x:-t.x,y:-t.y,width:e.width()+2*t.x,height:e.height()+2*t.y};return G.haveIntersection(i,this.getClientRect())}}],[{key:"create",value:function(t,e){return G._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)}},{key:"_createNode",value:function(e,i){var n,r,a,o=t.prototype.getClassName.call(e),s=e.children;if(i&&(e.attrs.container=i),u[o]||(G.warn('Can not find a node with class name "'+o+'". Fallback to "Shape".'),o="Shape"),n=new(0,u[o])(e.attrs),s)for(r=s.length,a=0;a<r;a++)n.add(t._createNode(s[a]));return n}}]),t}();dt.prototype.nodeType="Node",dt.prototype._attrsAffectingSize=[],dt.prototype.eventListeners={},dt.prototype.on.call(dt.prototype,ut,(function(){this._batchingTransformChange?this._needClearTransformCache=!0:(this._clearCache(ht),this._clearSelfAndDescendantCache($))})),dt.prototype.on.call(dt.prototype,"visibleChange.konva",(function(){this._clearSelfAndDescendantCache(lt)})),dt.prototype.on.call(dt.prototype,"listeningChange.konva",(function(){this._clearSelfAndDescendantCache(it)})),dt.prototype.on.call(dt.prototype,"opacityChange.konva",(function(){this._clearSelfAndDescendantCache(J)}));var ft=W.addGetterSetter;ft(dt,"zIndex"),ft(dt,"absolutePosition"),ft(dt,"position"),ft(dt,"x",0,D()),ft(dt,"y",0,D()),ft(dt,"globalCompositeOperation","source-over",I()),ft(dt,"opacity",1,D()),ft(dt,"name","",I()),ft(dt,"id","",I()),ft(dt,"rotation",0,D()),W.addComponentsGetterSetter(dt,"scale",["x","y"]),ft(dt,"scaleX",1,D()),ft(dt,"scaleY",1,D()),W.addComponentsGetterSetter(dt,"skew",["x","y"]),ft(dt,"skewX",0,D()),ft(dt,"skewY",0,D()),W.addComponentsGetterSetter(dt,"offset",["x","y"]),ft(dt,"offsetX",0,D()),ft(dt,"offsetY",0,D()),ft(dt,"dragDistance",null,D()),ft(dt,"width",0,D()),ft(dt,"height",0,D()),ft(dt,"listening",!0,N()),ft(dt,"preventDefault",!0,N()),ft(dt,"filters",null,(function(t){return this._filterUpToDate=!1,t})),ft(dt,"visible",!0,N()),ft(dt,"transformsEnabled","all",I()),ft(dt,"size"),ft(dt,"dragBoundFunc"),ft(dt,"draggable",!1,N()),W.backCompat(dt,{rotateDeg:"rotate",setRotationDeg:"setRotation",getRotationDeg:"getRotation"});var gt=function(t){l(i,t);var e=c(i);function i(){var t;return _(this,i),(t=e.apply(this,arguments)).children=[],t}return b(i,[{key:"getChildren",value:function(t){if(!t)return this.children||[];var e=this.children||[],i=[];return e.forEach((function(e){t(e)&&i.push(e)})),i}},{key:"hasChildren",value:function(){return this.getChildren().length>0}},{key:"removeChildren",value:function(){return this.getChildren().forEach((function(t){t.parent=null,t.index=0,t.remove()})),this.children=[],this._requestDraw(),this}},{key:"destroyChildren",value:function(){return this.getChildren().forEach((function(t){t.parent=null,t.index=0,t.destroy()})),this.children=[],this._requestDraw(),this}},{key:"add",value:function(){if(0===arguments.length)return this;if(arguments.length>1){for(var t=0;t<arguments.length;t++)this.add(t<0||arguments.length<=t?void 0:arguments[t]);return this}var e=arguments.length<=0?void 0:arguments[0];return e.getParent()?(e.moveTo(this),this):(this._validateAdd(e),e.index=this.getChildren().length,e.parent=this,e._clearCaches(),this.getChildren().push(e),this._fire("add",{child:e}),this._requestDraw(),this)}},{key:"destroy",value:function(){return this.hasChildren()&&this.destroyChildren(),s(f(i.prototype),"destroy",this).call(this),this}},{key:"find",value:function(t){return this._generalFind(t,!1)}},{key:"findOne",value:function(t){var e=this._generalFind(t,!0);return e.length>0?e[0]:void 0}},{key:"_generalFind",value:function(t,e){var i=[];return this._descendants((function(n){var r=n._isMatch(t);return r&&i.push(n),!(!r||!e)})),i}},{key:"_descendants",value:function(t){var e,i=function(t,e){var i="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!i){if(Array.isArray(t)||(i=v(t))){i&&(t=i);var n=0,r=function(){};return{s:r,n:function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}},e:function(t){throw t},f:r}}throw new TypeError("Invalid attempt to iterate 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this.find("Shape").forEach((function(i){i.isVisible()&&i.intersects(t)&&e.push(i)})),e}},{key:"_clearSelfAndDescendantCache",value:function(t){var e;s(f(i.prototype),"_clearSelfAndDescendantCache",this).call(this,t),this.isCached()||null===(e=this.children)||void 0===e||e.forEach((function(e){e._clearSelfAndDescendantCache(t)}))}},{key:"_setChildrenIndices",value:function(){var t;null===(t=this.children)||void 0===t||t.forEach((function(t,e){t.index=e})),this._requestDraw()}},{key:"drawScene",value:function(t,e){var i=this.getLayer(),n=t||i&&i.getCanvas(),r=n&&n.getContext(),a=this._getCanvasCache(),o=a&&a.scene,s=n&&n.isCache;if(!this.isVisible()&&!s)return this;if(o){r.save();var h=this.getAbsoluteTransform(e).getMatrix();r.transform(h[0],h[1],h[2],h[3],h[4],h[5]),this._drawCachedSceneCanvas(r),r.restore()}else this._drawChildren("drawScene",n,e);return this}},{key:"drawHit",value:function(t,e){if(!this.shouldDrawHit(e))return this;var i=this.getLayer(),n=t||i&&i.hitCanvas,r=n&&n.getContext(),a=this._getCanvasCache();if(a&&a.hit){r.save();var o=this.getAbsoluteTransform(e).getMatrix();r.transform(o[0],o[1],o[2],o[3],o[4],o[5]),this._drawCachedHitCanvas(r),r.restore()}else this._drawChildren("drawHit",n,e);return this}},{key:"_drawChildren",value:function(t,e,i){var n,r=e&&e.getContext(),a=this.clipWidth(),o=this.clipHeight(),s=this.clipFunc(),h=a&&o||s,l=i===this;if(h){r.save();var u=this.getAbsoluteTransform(i),c=u.getMatrix();if(r.transform(c[0],c[1],c[2],c[3],c[4],c[5]),r.beginPath(),s)s.call(this,r,this);else{var d=this.clipX(),f=this.clipY();r.rect(d,f,a,o)}r.clip(),c=u.copy().invert().getMatrix(),r.transform(c[0],c[1],c[2],c[3],c[4],c[5])}var g=!l&&"source-over"!==this.globalCompositeOperation()&&"drawScene"===t;g&&(r.save(),r._applyGlobalCompositeOperation(this)),null===(n=this.children)||void 0===n||n.forEach((function(n){n[t](e,i)})),g&&r.restore(),h&&r.restore()}},{key:"getClientRect",value:function(t){var e,i,n,r,a,o,s=(t=t||{}).skipTransform,h=t.relativeTo,l=this;null===(e=this.children)||void 0===e||e.forEach((function(e){if(e.visible()){var o=e.getClientRect({relativeTo:l,skipShadow:t.skipShadow,skipStroke:t.skipStroke});0===o.width&&0===o.height||(void 0===i?(i=o.x,n=o.y,r=o.x+o.width,a=o.y+o.height):(i=Math.min(i,o.x),n=Math.min(n,o.y),r=Math.max(r,o.x+o.width),a=Math.max(a,o.y+o.height)))}}));for(var u=this.find("Shape"),c=!1,d=0;d<u.length;d++)if(u[d]._isVisible(this)){c=!0;break}return o=c&&void 0!==i?{x:i,y:n,width:r-i,height:a-n}:{x:0,y:0,width:0,height:0},s?o:this._transformedRect(o,h)}}]),i}(dt);W.addComponentsGetterSetter(gt,"clip",["x","y","width","height"]),W.addGetterSetter(gt,"clipX",void 0,D()),W.addGetterSetter(gt,"clipY",void 0,D()),W.addGetterSetter(gt,"clipWidth",void 0,D()),W.addGetterSetter(gt,"clipHeight",void 0,D()),W.addGetterSetter(gt,"clipFunc");var vt=new Map,pt=void 0!==u._global.PointerEvent;function yt(t){return vt.get(t)}function mt(t){return{evt:t,pointerId:t.pointerId}}function _t(t,e){return vt.get(t)===e}function kt(t,e){bt(t),e.getStage()&&(vt.set(t,e),pt&&e._fire("gotpointercapture",mt(new PointerEvent("gotpointercapture"))))}function bt(t,e){var i=vt.get(t);if(i){var n=i.getStage();n&&n.content,vt.delete(t),pt&&i._fire("lostpointercapture",mt(new PointerEvent("lostpointercapture")))}}var xt="mouseleave",St="mouseover",wt="mouseenter",Ct="mousemove",Pt="mousedown",At="mouseup",Tt="pointermove",Mt="pointerdown",Gt="pointerup",Rt="pointercancel",Et="pointerout",Dt="pointerleave",Ot="pointerover",Lt="pointerenter",It="contextmenu",Ft="touchstart",Nt="touchend",Bt="touchmove",Ht="touchcancel",Wt="wheel",zt=[[wt,"_pointerenter"],[Pt,"_pointerdown"],[Ct,"_pointermove"],[At,"_pointerup"],[xt,"_pointerleave"],[Ft,"_pointerdown"],[Bt,"_pointermove"],[Nt,"_pointerup"],[Ht,"_pointercancel"],[St,"_pointerover"],[Wt,"_wheel"],[It,"_contextmenu"],[Mt,"_pointerdown"],[Tt,"_pointermove"],[Gt,"_pointerup"],[Rt,"_pointercancel"],["lostpointercapture","_lostpointercapture"]],jt={mouse:(t={},o(t,Et,"mouseout"),o(t,Dt,xt),o(t,Ot,St),o(t,Lt,wt),o(t,Tt,Ct),o(t,Mt,Pt),o(t,Gt,At),o(t,Rt,"mousecancel"),o(t,"pointerclick","click"),o(t,"pointerdblclick","dblclick"),t),touch:(e={},o(e,Et,"touchout"),o(e,Dt,"touchleave"),o(e,Ot,"touchover"),o(e,Lt,"touchenter"),o(e,Tt,Bt),o(e,Mt,Ft),o(e,Gt,Nt),o(e,Rt,Ht),o(e,"pointerclick","tap"),o(e,"pointerdblclick","dbltap"),e),pointer:(n={},o(n,Et,Et),o(n,Dt,Dt),o(n,Ot,Ot),o(n,Lt,Lt),o(n,Tt,Tt),o(n,Mt,Mt),o(n,Gt,Gt),o(n,Rt,Rt),o(n,"pointerclick","pointerclick"),o(n,"pointerdblclick","pointerdblclick"),n)},Yt=function(t){return t.indexOf("pointer")>=0?"pointer":t.indexOf("touch")>=0?"touch":"mouse"},Xt=function(t){var e=Yt(t);return"pointer"===e?u.pointerEventsEnabled&&jt.pointer:"touch"===e?jt.touch:"mouse"===e?jt.mouse:void 0};function qt(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return(t.clipFunc||t.clipWidth||t.clipHeight)&&G.warn("Stage does not support clipping. Please use clip for Layers or Groups."),t}var Ut=[],Vt=function(t){l(i,t);var e=c(i);function i(t){var n;return _(this,i),(n=e.call(this,qt(t)))._pointerPositions=[],n._changedPointerPositions=[],n._buildDOM(),n._bindContentEvents(),Ut.push(d(n)),n.on("widthChange.konva heightChange.konva",n._resizeDOM),n.on("visibleChange.konva",n._checkVisibility),n.on("clipWidthChange.konva clipHeightChange.konva clipFuncChange.konva",(function(){qt(n.attrs)})),n._checkVisibility(),n}return b(i,[{key:"_validateAdd",value:function(t){var e="Layer"===t.getType(),i="FastLayer"===t.getType();e||i||G.throw("You may only add layers to the stage.")}},{key:"_checkVisibility",value:function(){if(this.content){var t=this.visible()?"":"none";this.content.style.display=t}}},{key:"setContainer",value:function(t){if("string"===S(t)){if("."===t.charAt(0)){var e=t.slice(1);t=document.getElementsByClassName(e)[0]}else{var i;i="#"!==t.charAt(0)?t:t.slice(1),t=document.getElementById(i)}if(!t)throw"Can not find container in document with id "+i}return this._setAttr("container",t),this.content&&(this.content.parentElement&&this.content.parentElement.removeChild(this.content),t.appendChild(this.content)),this}},{key:"shouldDrawHit",value:function(){return!0}},{key:"clear",value:function(){var t,e=this.children,i=e.length;for(t=0;t<i;t++)e[t].clear();return this}},{key:"clone",value:function(t){return t||(t={}),t.container="undefined"!=typeof document&&document.createElement("div"),gt.prototype.clone.call(this,t)}},{key:"destroy",value:function(){s(f(i.prototype),"destroy",this).call(this);var t=this.content;t&&G._isInDocument(t)&&this.container().removeChild(t);var e=Ut.indexOf(this);return e>-1&&Ut.splice(e,1),G.releaseCanvas(this.bufferCanvas._canvas,this.bufferHitCanvas._canvas),this}},{key:"getPointerPosition",value:function(){var t=this._pointerPositions[0]||this._changedPointerPositions[0];return t?{x:t.x,y:t.y}:(G.warn("Pointer position is missing and not registered by the stage. Looks like it is outside of the stage container. You can set it manually from event: stage.setPointersPositions(event);"),null)}},{key:"_getPointerById",value:function(t){return this._pointerPositions.find((function(e){return e.id===t}))}},{key:"getPointersPositions",value:function(){return this._pointerPositions}},{key:"getStage",value:function(){return this}},{key:"getContent",value:function(){return this.content}},{key:"_toKonvaCanvas",value:function(t){(t=t||{}).x=t.x||0,t.y=t.y||0,t.width=t.width||this.width(),t.height=t.height||this.height();var e=new V({width:t.width,height:t.height,pixelRatio:t.pixelRatio||1}),i=e.getContext()._context,n=this.children;return(t.x||t.y)&&i.translate(-1*t.x,-1*t.y),n.forEach((function(e){if(e.isVisible()){var n=e._toKonvaCanvas(t);i.drawImage(n._canvas,t.x,t.y,n.getWidth()/n.getPixelRatio(),n.getHeight()/n.getPixelRatio())}})),e}},{key:"getIntersection",value:function(t){if(!t)return null;var e,i=this.children;for(e=i.length-1;e>=0;e--){var n=i[e].getIntersection(t);if(n)return n}return null}},{key:"_resizeDOM",value:function(){var t=this.width(),e=this.height();this.content&&(this.content.style.width=t+"px",this.content.style.height=e+"px"),this.bufferCanvas.setSize(t,e),this.bufferHitCanvas.setSize(t,e),this.children.forEach((function(i){i.setSize({width:t,height:e}),i.draw()}))}},{key:"add",value:function(t){for(var e=arguments.length,n=new Array(e>1?e-1:0),r=1;r<e;r++)n[r-1]=arguments[r];if(arguments.length>1){for(var a=0;a<arguments.length;a++)this.add(arguments[a]);return this}s(f(i.prototype),"add",this).call(this,t);var o=this.children.length;return o>5&&G.warn("The stage has "+o+" layers. Recommended maximum number of layers is 3-5. Adding more layers into the stage may drop the performance. Rethink your tree structure, you can use Konva.Group."),t.setSize({width:this.width(),height:this.height()}),t.draw(),u.isBrowser&&this.content.appendChild(t.canvas._canvas),this}},{key:"getParent",value:function(){return null}},{key:"getLayer",value:function(){return null}},{key:"hasPointerCapture",value:function(t){return _t(t,this)}},{key:"setPointerCapture",value:function(t){kt(t,this)}},{key:"releaseCapture",value:function(t){bt(t)}},{key:"getLayers",value:function(){return this.children}},{key:"_bindContentEvents",value:function(){var t=this;u.isBrowser&&zt.forEach((function(e){var i,n,r=(n=2,m(i=e)||function(t,e){var i=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null!=i){var n,r,a,o,s=[],h=!0,l=!1;try{if(a=(i=i.call(t)).next,0===e){if(Object(i)!==i)return;h=!1}else for(;!(h=(n=a.call(i)).done)&&(s.push(n.value),s.length!==e);h=!0);}catch(t){l=!0,r=t}finally{try{if(!h&&null!=i.return&&(o=i.return(),Object(o)!==o))return}finally{if(l)throw r}}return s}}(i,n)||v(i,n)||g()),a=r[0],o=r[1];t.content.addEventListener(a,(function(e){t[o](e)}),{passive:!1})}))}},{key:"_pointerenter",value:function(t){this.setPointersPositions(t);var e=Xt(t.type);this._fire(e.pointerenter,{evt:t,target:this,currentTarget:this})}},{key:"_pointerover",value:function(t){this.setPointersPositions(t);var e=Xt(t.type);this._fire(e.pointerover,{evt:t,target:this,currentTarget:this})}},{key:"_getTargetShape",value:function(t){var e=this[t+"targetShape"];return e&&!e.getStage()&&(e=null),e}},{key:"_pointerleave",value:function(t){var e=Xt(t.type),i=Yt(t.type);if(e){this.setPointersPositions(t);var n=this._getTargetShape(i),r=!Q.isDragging||u.hitOnDragEnabled;n&&r?(n._fireAndBubble(e.pointerout,{evt:t}),n._fireAndBubble(e.pointerleave,{evt:t}),this._fire(e.pointerleave,{evt:t,target:this,currentTarget:this}),this[i+"targetShape"]=null):r&&(this._fire(e.pointerleave,{evt:t,target:this,currentTarget:this}),this._fire(e.pointerout,{evt:t,target:this,currentTarget:this})),this.pointerPos=void 0,this._pointerPositions=[]}}},{key:"_pointerdown",value:function(t){var e=this,i=Xt(t.type),n=Yt(t.type);if(i){this.setPointersPositions(t);var r=!1;this._changedPointerPositions.forEach((function(a){var o=e.getIntersection(a);if(Q.justDragged=!1,u["_"+n+"ListenClick"]=!0,o&&o.isListening()){u.capturePointerEventsEnabled&&o.setPointerCapture(a.id),e[n+"ClickStartShape"]=o,o._fireAndBubble(i.pointerdown,{evt:t,pointerId:a.id}),r=!0;var s=t.type.indexOf("touch")>=0;o.preventDefault()&&t.cancelable&&s&&t.preventDefault()}})),r||this._fire(i.pointerdown,{evt:t,target:this,currentTarget:this,pointerId:this._pointerPositions[0].id})}}},{key:"_pointermove",value:function(t){var e=this,i=Xt(t.type),n=Yt(t.type);if(i&&(Q.isDragging&&Q.node.preventDefault()&&t.cancelable&&t.preventDefault(),this.setPointersPositions(t),!Q.isDragging||u.hitOnDragEnabled)){var r={},a=!1,o=this._getTargetShape(n);this._changedPointerPositions.forEach((function(s){var h=yt(s.id)||e.getIntersection(s),l=s.id,u={evt:t,pointerId:l},c=o!==h;if(c&&o&&(o._fireAndBubble(i.pointerout,Object.assign({},u),h),o._fireAndBubble(i.pointerleave,Object.assign({},u),h)),h){if(r[h._id])return;r[h._id]=!0}h&&h.isListening()?(a=!0,c&&(h._fireAndBubble(i.pointerover,Object.assign({},u),o),h._fireAndBubble(i.pointerenter,Object.assign({},u),o),e[n+"targetShape"]=h),h._fireAndBubble(i.pointermove,Object.assign({},u))):o&&(e._fire(i.pointerover,{evt:t,target:e,currentTarget:e,pointerId:l}),e[n+"targetShape"]=null)})),a||this._fire(i.pointermove,{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id})}}},{key:"_pointerup",value:function(t){var e=this,i=Xt(t.type),n=Yt(t.type);if(i){this.setPointersPositions(t);var r=this[n+"ClickStartShape"],a=this[n+"ClickEndShape"],o={},s=!1;this._changedPointerPositions.forEach((function(h){var l=yt(h.id)||e.getIntersection(h);if(l){if(l.releaseCapture(h.id),o[l._id])return;o[l._id]=!0}var c=h.id,d={evt:t,pointerId:c},f=!1;u["_"+n+"InDblClickWindow"]?(f=!0,clearTimeout(e[n+"DblTimeout"])):Q.justDragged||(u["_"+n+"InDblClickWindow"]=!0,clearTimeout(e[n+"DblTimeout"])),e[n+"DblTimeout"]=setTimeout((function(){u["_"+n+"InDblClickWindow"]=!1}),u.dblClickWindow),l&&l.isListening()?(s=!0,e[n+"ClickEndShape"]=l,l._fireAndBubble(i.pointerup,Object.assign({},d)),u["_"+n+"ListenClick"]&&r&&r===l&&(l._fireAndBubble(i.pointerclick,Object.assign({},d)),f&&a&&a===l&&l._fireAndBubble(i.pointerdblclick,Object.assign({},d)))):(e[n+"ClickEndShape"]=null,u["_"+n+"ListenClick"]&&e._fire(i.pointerclick,{evt:t,target:e,currentTarget:e,pointerId:c}),f&&e._fire(i.pointerdblclick,{evt:t,target:e,currentTarget:e,pointerId:c}))})),s||this._fire(i.pointerup,{evt:t,target:this,currentTarget:this,pointerId:this._changedPointerPositions[0].id}),u["_"+n+"ListenClick"]=!1,t.cancelable&&"touch"!==n&&t.preventDefault()}}},{key:"_contextmenu",value:function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(It,{evt:t}):this._fire(It,{evt:t,target:this,currentTarget:this})}},{key:"_wheel",value:function(t){this.setPointersPositions(t);var e=this.getIntersection(this.getPointerPosition());e&&e.isListening()?e._fireAndBubble(Wt,{evt:t}):this._fire(Wt,{evt:t,target:this,currentTarget:this})}},{key:"_pointercancel",value:function(t){this.setPointersPositions(t);var e=yt(t.pointerId)||this.getIntersection(this.getPointerPosition());e&&e._fireAndBubble(Gt,mt(t)),bt(t.pointerId)}},{key:"_lostpointercapture",value:function(t){bt(t.pointerId)}},{key:"setPointersPositions",value:function(t){var e=this,i=this._getContentPosition(),n=null,r=null;void 0!==(t=t||window.event).touches?(this._pointerPositions=[],this._changedPointerPositions=[],Array.prototype.forEach.call(t.touches,(function(t){e._pointerPositions.push({id:t.identifier,x:(t.clientX-i.left)/i.scaleX,y:(t.clientY-i.top)/i.scaleY})})),Array.prototype.forEach.call(t.changedTouches||t.touches,(function(t){e._changedPointerPositions.push({id:t.identifier,x:(t.clientX-i.left)/i.scaleX,y:(t.clientY-i.top)/i.scaleY})}))):(n=(t.clientX-i.left)/i.scaleX,r=(t.clientY-i.top)/i.scaleY,this.pointerPos={x:n,y:r},this._pointerPositions=[{x:n,y:r,id:G._getFirstPointerId(t)}],this._changedPointerPositions=[{x:n,y:r,id:G._getFirstPointerId(t)}])}},{key:"_setPointerPosition",value:function(t){G.warn('Method _setPointerPosition is deprecated. Use "stage.setPointersPositions(event)" instead.'),this.setPointersPositions(t)}},{key:"_getContentPosition",value:function(){if(!this.content||!this.content.getBoundingClientRect)return{top:0,left:0,scaleX:1,scaleY:1};var t=this.content.getBoundingClientRect();return{top:t.top,left:t.left,scaleX:t.width/this.content.clientWidth||1,scaleY:t.height/this.content.clientHeight||1}}},{key:"_buildDOM",value:function(){if(this.bufferCanvas=new V({width:this.width(),height:this.height()}),this.bufferHitCanvas=new K({pixelRatio:1,width:this.width(),height:this.height()}),u.isBrowser){var t=this.container();if(!t)throw"Stage has no container. A container is required.";t.innerHTML="",this.content=document.createElement("div"),this.content.style.position="relative",this.content.style.userSelect="none",this.content.className="konvajs-content",this.content.setAttribute("role","presentation"),t.appendChild(this.content),this._resizeDOM()}}},{key:"cache",value:function(){return G.warn("Cache function is not allowed for stage. You may use cache only for layers, groups and shapes."),this}},{key:"clearCache",value:function(){return this}},{key:"batchDraw",value:function(){return this.getChildren().forEach((function(t){t.batchDraw()})),this}}]),i}(gt);Vt.prototype.nodeType="Stage",p(Vt),W.addGetterSetter(Vt,"container");var Kt,Qt="hasShadow",Jt="shadowRGBA",Zt="patternImage",$t="linearGradient",te="radialGradient";function ee(){return Kt||(Kt=G.createCanvasElement().getContext("2d"))}var ie={},ne=function(t){l(i,t);var e=c(i);function i(t){var n,r;for(_(this,i),n=e.call(this,t);!(r=G.getRandomColor())||r in ie;);return n.colorKey=r,ie[r]=d(n),n}return b(i,[{key:"getContext",value:function(){return G.warn("shape.getContext() method is deprecated. Please do not use it."),this.getLayer().getContext()}},{key:"getCanvas",value:function(){return G.warn("shape.getCanvas() method is deprecated. Please do not use it."),this.getLayer().getCanvas()}},{key:"getSceneFunc",value:function(){return this.attrs.sceneFunc||this._sceneFunc}},{key:"getHitFunc",value:function(){return this.attrs.hitFunc||this._hitFunc}},{key:"hasShadow",value:function(){return this._getCache(Qt,this._hasShadow)}},{key:"_hasShadow",value:function(){return this.shadowEnabled()&&0!==this.shadowOpacity()&&!!(this.shadowColor()||this.shadowBlur()||this.shadowOffsetX()||this.shadowOffsetY())}},{key:"_getFillPattern",value:function(){return this._getCache(Zt,this.__getFillPattern)}},{key:"__getFillPattern",value:function(){if(this.fillPatternImage()){var t=ee().createPattern(this.fillPatternImage(),this.fillPatternRepeat()||"repeat");if(t&&t.setTransform){var e=new k;e.translate(this.fillPatternX(),this.fillPatternY()),e.rotate(u.getAngle(this.fillPatternRotation())),e.scale(this.fillPatternScaleX(),this.fillPatternScaleY()),e.translate(-1*this.fillPatternOffsetX(),-1*this.fillPatternOffsetY());var i=e.getMatrix(),n="undefined"==typeof DOMMatrix?{a:i[0],b:i[1],c:i[2],d:i[3],e:i[4],f:i[5]}:new DOMMatrix(i);t.setTransform(n)}return t}}},{key:"_getLinearGradient",value:function(){return this._getCache($t,this.__getLinearGradient)}},{key:"__getLinearGradient",value:function(){var t=this.fillLinearGradientColorStops();if(t){for(var e=ee(),i=this.fillLinearGradientStartPoint(),n=this.fillLinearGradientEndPoint(),r=e.createLinearGradient(i.x,i.y,n.x,n.y),a=0;a<t.length;a+=2)r.addColorStop(t[a],t[a+1]);return r}}},{key:"_getRadialGradient",value:function(){return this._getCache(te,this.__getRadialGradient)}},{key:"__getRadialGradient",value:function(){var t=this.fillRadialGradientColorStops();if(t){for(var e=ee(),i=this.fillRadialGradientStartPoint(),n=this.fillRadialGradientEndPoint(),r=e.createRadialGradient(i.x,i.y,this.fillRadialGradientStartRadius(),n.x,n.y,this.fillRadialGradientEndRadius()),a=0;a<t.length;a+=2)r.addColorStop(t[a],t[a+1]);return r}}},{key:"getShadowRGBA",value:function(){return this._getCache(Jt,this._getShadowRGBA)}},{key:"_getShadowRGBA",value:function(){if(this.hasShadow()){var t=G.colorToRGBA(this.shadowColor());return t?"rgba("+t.r+","+t.g+","+t.b+","+t.a*(this.shadowOpacity()||1)+")":void 0}}},{key:"hasFill",value:function(){var t=this;return this._calculate("hasFill",["fillEnabled","fill","fillPatternImage","fillLinearGradientColorStops","fillRadialGradientColorStops"],(function(){return t.fillEnabled()&&!!(t.fill()||t.fillPatternImage()||t.fillLinearGradientColorStops()||t.fillRadialGradientColorStops())}))}},{key:"hasStroke",value:function(){var t=this;return this._calculate("hasStroke",["strokeEnabled","strokeWidth","stroke","strokeLinearGradientColorStops"],(function(){return t.strokeEnabled()&&t.strokeWidth()&&!(!t.stroke()&&!t.strokeLinearGradientColorStops())}))}},{key:"hasHitStroke",value:function(){var t=this.hitStrokeWidth();return"auto"===t?this.hasStroke():this.strokeEnabled()&&!!t}},{key:"intersects",value:function(t){var e=this.getStage().bufferHitCanvas;return e.getContext().clear(),this.drawHit(e,null,!0),e.context.getImageData(Math.round(t.x),Math.round(t.y),1,1).data[3]>0}},{key:"destroy",value:function(){return dt.prototype.destroy.call(this),delete ie[this.colorKey],delete this.colorKey,this}},{key:"_useBufferCanvas",value:function(t){var e;if(!this.getStage())return!1;if(null!==(e=this.attrs.perfectDrawEnabled)&&void 0!==e&&!e)return!1;var i=t||this.hasFill(),n=this.hasStroke(),r=1!==this.getAbsoluteOpacity();if(i&&n&&r)return!0;var a=this.hasShadow(),o=this.shadowForStrokeEnabled();return!!(i&&n&&a&&o)}},{key:"setStrokeHitEnabled",value:function(t){G.warn("strokeHitEnabled property is deprecated. Please use hitStrokeWidth instead."),t?this.hitStrokeWidth("auto"):this.hitStrokeWidth(0)}},{key:"getStrokeHitEnabled",value:function(){return 0!==this.hitStrokeWidth()}},{key:"getSelfRect",value:function(){var t=this.size();return{x:this._centroid?-t.width/2:0,y:this._centroid?-t.height/2:0,width:t.width,height:t.height}}},{key:"getClientRect",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=t.skipTransform,i=t.relativeTo,n=this.getSelfRect(),r=!t.skipStroke&&this.hasStroke()&&this.strokeWidth()||0,a=n.width+r,o=n.height+r,s=!t.skipShadow&&this.hasShadow(),h=s?this.shadowOffsetX():0,l=s?this.shadowOffsetY():0,u=a+Math.abs(h),c=o+Math.abs(l),d=s&&this.shadowBlur()||0,f={width:u+2*d,height:c+2*d,x:-(r/2+d)+Math.min(h,0)+n.x,y:-(r/2+d)+Math.min(l,0)+n.y};return e?f:this._transformedRect(f,i)}},{key:"drawScene",value:function(t,e){var i,n,r=this.getLayer(),a=t||r.getCanvas(),o=a.getContext(),s=this._getCanvasCache(),h=this.getSceneFunc(),l=this.hasShadow(),u=a.isCache,c=e===this;if(!this.isVisible()&&!c)return this;if(s){o.save();var d=this.getAbsoluteTransform(e).getMatrix();return o.transform(d[0],d[1],d[2],d[3],d[4],d[5]),this._drawCachedSceneCanvas(o),o.restore(),this}if(!h)return this;if(o.save(),this._useBufferCanvas()&&!u){(n=(i=this.getStage().bufferCanvas).getContext()).clear(),n.save(),n._applyLineJoin(this);var f=this.getAbsoluteTransform(e).getMatrix();n.transform(f[0],f[1],f[2],f[3],f[4],f[5]),h.call(this,n,this),n.restore();var g=i.pixelRatio;l&&o._applyShadow(this),o._applyOpacity(this),o._applyGlobalCompositeOperation(this),o.drawImage(i._canvas,0,0,i.width/g,i.height/g)}else o._applyLineJoin(this),c||(f=this.getAbsoluteTransform(e).getMatrix(),o.transform(f[0],f[1],f[2],f[3],f[4],f[5]),o._applyOpacity(this),o._applyGlobalCompositeOperation(this)),l&&o._applyShadow(this),h.call(this,o,this);return o.restore(),this}},{key:"drawHit",value:function(t,e){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this.shouldDrawHit(e,i))return this;var n=this.getLayer(),r=t||n.hitCanvas,a=r&&r.getContext(),o=this.hitFunc()||this.sceneFunc(),s=this._getCanvasCache(),h=s&&s.hit;if(this.colorKey||G.warn("Looks like your canvas has a destroyed shape in it. Do not reuse shape after you destroyed it. If you want to reuse shape you should call remove() instead of destroy()"),h){a.save();var l=this.getAbsoluteTransform(e).getMatrix();return a.transform(l[0],l[1],l[2],l[3],l[4],l[5]),this._drawCachedHitCanvas(a),a.restore(),this}if(!o)return this;if(a.save(),a._applyLineJoin(this),this!==e){var u=this.getAbsoluteTransform(e).getMatrix();a.transform(u[0],u[1],u[2],u[3],u[4],u[5])}return o.call(this,a,this),a.restore(),this}},{key:"drawHitFromCache",value:function(){var t,e,i,n,r,a=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,o=this._getCanvasCache(),s=this._getCachedSceneCanvas(),h=o.hit,l=h.getContext(),u=h.getWidth(),c=h.getHeight();l.clear(),l.drawImage(s._canvas,0,0,u,c);try{for(i=(e=(t=l.getImageData(0,0,u,c)).data).length,n=G._hexToRgb(this.colorKey),r=0;r<i;r+=4)e[r+3]>a?(e[r]=n.r,e[r+1]=n.g,e[r+2]=n.b,e[r+3]=255):e[r+3]=0;l.putImageData(t,0,0)}catch(t){G.error("Unable to draw hit graph from cached scene canvas. "+t.message)}return this}},{key:"hasPointerCapture",value:function(t){return _t(t,this)}},{key:"setPointerCapture",value:function(t){kt(t,this)}},{key:"releaseCapture",value:function(t){bt(t)}}]),i}(dt);ne.prototype._fillFunc=function(t){t.fill()},ne.prototype._strokeFunc=function(t){t.stroke()},ne.prototype._fillFuncHit=function(t){t.fill()},ne.prototype._strokeFuncHit=function(t){t.stroke()},ne.prototype._centroid=!1,ne.prototype.nodeType="Shape",p(ne),ne.prototype.eventListeners={},ne.prototype.on.call(ne.prototype,"shadowColorChange.konva shadowBlurChange.konva shadowOffsetChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Qt)})),ne.prototype.on.call(ne.prototype,"shadowColorChange.konva shadowOpacityChange.konva shadowEnabledChange.konva",(function(){this._clearCache(Jt)})),ne.prototype.on.call(ne.prototype,"fillPriorityChange.konva fillPatternImageChange.konva fillPatternRepeatChange.konva fillPatternScaleXChange.konva fillPatternScaleYChange.konva fillPatternOffsetXChange.konva fillPatternOffsetYChange.konva fillPatternXChange.konva fillPatternYChange.konva fillPatternRotationChange.konva",(function(){this._clearCache(Zt)})),ne.prototype.on.call(ne.prototype,"fillPriorityChange.konva fillLinearGradientColorStopsChange.konva fillLinearGradientStartPointXChange.konva fillLinearGradientStartPointYChange.konva fillLinearGradientEndPointXChange.konva fillLinearGradientEndPointYChange.konva",(function(){this._clearCache($t)})),ne.prototype.on.call(ne.prototype,"fillPriorityChange.konva fillRadialGradientColorStopsChange.konva fillRadialGradientStartPointXChange.konva fillRadialGradientStartPointYChange.konva fillRadialGradientEndPointXChange.konva fillRadialGradientEndPointYChange.konva fillRadialGradientStartRadiusChange.konva fillRadialGradientEndRadiusChange.konva",(function(){this._clearCache(te)})),W.addGetterSetter(ne,"stroke",void 0,F()),W.addGetterSetter(ne,"strokeWidth",2,D()),W.addGetterSetter(ne,"fillAfterStrokeEnabled",!1),W.addGetterSetter(ne,"hitStrokeWidth","auto",L()),W.addGetterSetter(ne,"strokeHitEnabled",!0,N()),W.addGetterSetter(ne,"perfectDrawEnabled",!0,N()),W.addGetterSetter(ne,"shadowForStrokeEnabled",!0,N()),W.addGetterSetter(ne,"lineJoin"),W.addGetterSetter(ne,"lineCap"),W.addGetterSetter(ne,"sceneFunc"),W.addGetterSetter(ne,"hitFunc"),W.addGetterSetter(ne,"dash"),W.addGetterSetter(ne,"dashOffset",0,D()),W.addGetterSetter(ne,"shadowColor",void 0,I()),W.addGetterSetter(ne,"shadowBlur",0,D()),W.addGetterSetter(ne,"shadowOpacity",1,D()),W.addComponentsGetterSetter(ne,"shadowOffset",["x","y"]),W.addGetterSetter(ne,"shadowOffsetX",0,D()),W.addGetterSetter(ne,"shadowOffsetY",0,D()),W.addGetterSetter(ne,"fillPatternImage"),W.addGetterSetter(ne,"fill",void 0,F()),W.addGetterSetter(ne,"fillPatternX",0,D()),W.addGetterSetter(ne,"fillPatternY",0,D()),W.addGetterSetter(ne,"fillLinearGradientColorStops"),W.addGetterSetter(ne,"strokeLinearGradientColorStops"),W.addGetterSetter(ne,"fillRadialGradientStartRadius",0),W.addGetterSetter(ne,"fillRadialGradientEndRadius",0),W.addGetterSetter(ne,"fillRadialGradientColorStops"),W.addGetterSetter(ne,"fillPatternRepeat","repeat"),W.addGetterSetter(ne,"fillEnabled",!0),W.addGetterSetter(ne,"strokeEnabled",!0),W.addGetterSetter(ne,"shadowEnabled",!0),W.addGetterSetter(ne,"dashEnabled",!0),W.addGetterSetter(ne,"strokeScaleEnabled",!0),W.addGetterSetter(ne,"fillPriority","color"),W.addComponentsGetterSetter(ne,"fillPatternOffset",["x","y"]),W.addGetterSetter(ne,"fillPatternOffsetX",0,D()),W.addGetterSetter(ne,"fillPatternOffsetY",0,D()),W.addComponentsGetterSetter(ne,"fillPatternScale",["x","y"]),W.addGetterSetter(ne,"fillPatternScaleX",1,D()),W.addGetterSetter(ne,"fillPatternScaleY",1,D()),W.addComponentsGetterSetter(ne,"fillLinearGradientStartPoint",["x","y"]),W.addComponentsGetterSetter(ne,"strokeLinearGradientStartPoint",["x","y"]),W.addGetterSetter(ne,"fillLinearGradientStartPointX",0),W.addGetterSetter(ne,"strokeLinearGradientStartPointX",0),W.addGetterSetter(ne,"fillLinearGradientStartPointY",0),W.addGetterSetter(ne,"strokeLinearGradientStartPointY",0),W.addComponentsGetterSetter(ne,"fillLinearGradientEndPoint",["x","y"]),W.addComponentsGetterSetter(ne,"strokeLinearGradientEndPoint",["x","y"]),W.addGetterSetter(ne,"fillLinearGradientEndPointX",0),W.addGetterSetter(ne,"strokeLinearGradientEndPointX",0),W.addGetterSetter(ne,"fillLinearGradientEndPointY",0),W.addGetterSetter(ne,"strokeLinearGradientEndPointY",0),W.addComponentsGetterSetter(ne,"fillRadialGradientStartPoint",["x","y"]),W.addGetterSetter(ne,"fillRadialGradientStartPointX",0),W.addGetterSetter(ne,"fillRadialGradientStartPointY",0),W.addComponentsGetterSetter(ne,"fillRadialGradientEndPoint",["x","y"]),W.addGetterSetter(ne,"fillRadialGradientEndPointX",0),W.addGetterSetter(ne,"fillRadialGradientEndPointY",0),W.addGetterSetter(ne,"fillPatternRotation",0),W.backCompat(ne,{dashArray:"dash",getDashArray:"getDash",setDashArray:"getDash",drawFunc:"sceneFunc",getDrawFunc:"getSceneFunc",setDrawFunc:"setSceneFunc",drawHitFunc:"hitFunc",getDrawHitFunc:"getHitFunc",setDrawHitFunc:"setHitFunc"});var re=[{x:0,y:0},{x:-1,y:-1},{x:1,y:-1},{x:1,y:1},{x:-1,y:1}],ae=re.length,oe=function(t){l(i,t);var e=c(i);function i(t){var n;return _(this,i),(n=e.call(this,t)).canvas=new V,n.hitCanvas=new K({pixelRatio:1}),n._waitingForDraw=!1,n.on("visibleChange.konva",n._checkVisibility),n._checkVisibility(),n.on("imageSmoothingEnabledChange.konva",n._setSmoothEnabled),n._setSmoothEnabled(),n}return b(i,[{key:"createPNGStream",value:function(){return this.canvas._canvas.createPNGStream()}},{key:"getCanvas",value:function(){return this.canvas}},{key:"getNativeCanvasElement",value:function(){return this.canvas._canvas}},{key:"getHitCanvas",value:function(){return this.hitCanvas}},{key:"getContext",value:function(){return this.getCanvas().getContext()}},{key:"clear",value:function(t){return this.getContext().clear(t),this.getHitCanvas().getContext().clear(t),this}},{key:"setZIndex",value:function(t){s(f(i.prototype),"setZIndex",this).call(this,t);var e=this.getStage();return e&&e.content&&(e.content.removeChild(this.getNativeCanvasElement()),t<e.children.length-1?e.content.insertBefore(this.getNativeCanvasElement(),e.children[t+1].getCanvas()._canvas):e.content.appendChild(this.getNativeCanvasElement())),this}},{key:"moveToTop",value:function(){dt.prototype.moveToTop.call(this);var t=this.getStage();return t&&t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.appendChild(this.getNativeCanvasElement())),!0}},{key:"moveUp",value:function(){if(!dt.prototype.moveUp.call(this))return!1;var t=this.getStage();return!(!t||!t.content||(t.content.removeChild(this.getNativeCanvasElement()),this.index<t.children.length-1?t.content.insertBefore(this.getNativeCanvasElement(),t.children[this.index+1].getCanvas()._canvas):t.content.appendChild(this.getNativeCanvasElement()),0))}},{key:"moveDown",value:function(){if(dt.prototype.moveDown.call(this)){var t=this.getStage();if(t){var e=t.children;t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.insertBefore(this.getNativeCanvasElement(),e[this.index+1].getCanvas()._canvas))}return!0}return!1}},{key:"moveToBottom",value:function(){if(dt.prototype.moveToBottom.call(this)){var t=this.getStage();if(t){var e=t.children;t.content&&(t.content.removeChild(this.getNativeCanvasElement()),t.content.insertBefore(this.getNativeCanvasElement(),e[1].getCanvas()._canvas))}return!0}return!1}},{key:"getLayer",value:function(){return this}},{key:"remove",value:function(){var t=this.getNativeCanvasElement();return dt.prototype.remove.call(this),t&&t.parentNode&&G._isInDocument(t)&&t.parentNode.removeChild(t),this}},{key:"getStage",value:function(){return this.parent}},{key:"setSize",value:function(t){var e=t.width,i=t.height;return this.canvas.setSize(e,i),this.hitCanvas.setSize(e,i),this._setSmoothEnabled(),this}},{key:"_validateAdd",value:function(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&G.throw("You may only add groups and shapes to a layer.")}},{key:"_toKonvaCanvas",value:function(t){return(t=t||{}).width=t.width||this.getWidth(),t.height=t.height||this.getHeight(),t.x=void 0!==t.x?t.x:this.x(),t.y=void 0!==t.y?t.y:this.y(),dt.prototype._toKonvaCanvas.call(this,t)}},{key:"_checkVisibility",value:function(){var t=this.visible();this.canvas._canvas.style.display=t?"block":"none"}},{key:"_setSmoothEnabled",value:function(){this.getContext()._context.imageSmoothingEnabled=this.imageSmoothingEnabled()}},{key:"getWidth",value:function(){if(this.parent)return this.parent.width()}},{key:"setWidth",value:function(){G.warn('Can not change width of layer. Use "stage.width(value)" function instead.')}},{key:"getHeight",value:function(){if(this.parent)return this.parent.height()}},{key:"setHeight",value:function(){G.warn('Can not change height of layer. Use "stage.height(value)" function instead.')}},{key:"batchDraw",value:function(){var t=this;return this._waitingForDraw||(this._waitingForDraw=!0,G.requestAnimFrame((function(){t.draw(),t._waitingForDraw=!1}))),this}},{key:"getIntersection",value:function(t){if(!this.isListening()||!this.isVisible())return null;for(var e=1,i=!1;;){for(var n=0;n<ae;n++){var r=re[n],a=this._getIntersection({x:t.x+r.x*e,y:t.y+r.y*e}),o=a.shape;if(o)return o;if(i=!!a.antialiased,!a.antialiased)break}if(!i)return null;e+=1}}},{key:"_getIntersection",value:function(t){var e=this.hitCanvas.pixelRatio,i=this.hitCanvas.context.getImageData(Math.round(t.x*e),Math.round(t.y*e),1,1).data,n=i[3];if(255===n){var r=G._rgbToHex(i[0],i[1],i[2]),a=ie["#"+r];return a?{shape:a}:{antialiased:!0}}return n>0?{antialiased:!0}:{}}},{key:"drawScene",value:function(t,e){var i=this.getLayer(),n=t||i&&i.getCanvas();return this._fire("beforeDraw",{node:this}),this.clearBeforeDraw()&&n.getContext().clear(),gt.prototype.drawScene.call(this,n,e),this._fire("draw",{node:this}),this}},{key:"drawHit",value:function(t,e){var i=this.getLayer(),n=t||i&&i.hitCanvas;return i&&i.clearBeforeDraw()&&i.getHitCanvas().getContext().clear(),gt.prototype.drawHit.call(this,n,e),this}},{key:"enableHitGraph",value:function(){return this.hitGraphEnabled(!0),this}},{key:"disableHitGraph",value:function(){return this.hitGraphEnabled(!1),this}},{key:"setHitGraphEnabled",value:function(t){G.warn("hitGraphEnabled method is deprecated. Please use layer.listening() instead."),this.listening(t)}},{key:"getHitGraphEnabled",value:function(t){return G.warn("hitGraphEnabled method is deprecated. Please use layer.listening() instead."),this.listening()}},{key:"toggleHitCanvas",value:function(){if(this.parent&&this.parent.content){var t=this.parent;this.hitCanvas._canvas.parentNode?t.content.removeChild(this.hitCanvas._canvas):t.content.appendChild(this.hitCanvas._canvas)}}},{key:"destroy",value:function(){return G.releaseCanvas(this.getNativeCanvasElement(),this.getHitCanvas()._canvas),s(f(i.prototype),"destroy",this).call(this)}}]),i}(gt);oe.prototype.nodeType="Layer",p(oe),W.addGetterSetter(oe,"imageSmoothingEnabled",!0),W.addGetterSetter(oe,"clearBeforeDraw",!0),W.addGetterSetter(oe,"hitGraphEnabled",!0,N());var se=function(t){l(i,t);var e=c(i);function i(t){var n;return _(this,i),(n=e.call(this,t)).listening(!1),G.warn('Konva.Fast layer is deprecated. Please use "new Konva.Layer({ listening: false })" instead.'),n}return b(i)}(oe);se.prototype.nodeType="FastLayer",p(se);var he=function(t){l(i,t);var e=c(i);function i(){return _(this,i),e.apply(this,arguments)}return b(i,[{key:"_validateAdd",value:function(t){var e=t.getType();"Group"!==e&&"Shape"!==e&&G.throw("You may only add groups and shapes to groups.")}}]),i}(gt);he.prototype.nodeType="Group",p(he);var le=a.performance&&a.performance.now?function(){return a.performance.now()}:function(){return(new Date).getTime()},ue=function(){function t(e,i){_(this,t),this.id=t.animIdCounter++,this.frame={time:0,timeDiff:0,lastTime:le(),frameRate:0},this.func=e,this.setLayers(i)}return b(t,[{key:"setLayers",value:function(t){var e;return e=t?t.length>0?t:[t]:[],this.layers=e,this}},{key:"getLayers",value:function(){return this.layers}},{key:"addLayer",value:function(t){var e,i=this.layers,n=i.length;for(e=0;e<n;e++)if(i[e]._id===t._id)return!1;return this.layers.push(t),!0}},{key:"isRunning",value:function(){var e,i=t.animations,n=i.length;for(e=0;e<n;e++)if(i[e].id===this.id)return!0;return!1}},{key:"start",value:function(){return this.stop(),this.frame.timeDiff=0,this.frame.lastTime=le(),t._addAnimation(this),this}},{key:"stop",value:function(){return t._removeAnimation(this),this}},{key:"_updateFrameObject",value: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}}],[{key:"_addAnimation",value:function(t){this.animations.push(t),this._handleAnimation()}},{key:"_removeAnimation",value:function(t){var e,i=t.id,n=this.animations,r=n.length;for(e=0;e<r;e++)if(n[e].id===i){this.animations.splice(e,1);break}}},{key:"_runFrames",value:function(){var t,e,i,n,r,a,o,s,h={},l=this.animations;for(n=0;n<l.length;n++)if(e=(t=l[n]).layers,i=t.func,t._updateFrameObject(le()),a=e.length,!i||!1!==i.call(t,t.frame))for(r=0;r<a;r++)void 0!==(o=e[r])._id&&(h[o._id]=o);for(s in h)h.hasOwnProperty(s)&&h[s].batchDraw()}},{key:"_animationLoop",value:function(){var e=t;e.animations.length?(e._runFrames(),G.requestAnimFrame(e._animationLoop)):e.animRunning=!1}},{key:"_handleAnimation",value:function(){this.animRunning||(this.animRunning=!0,G.requestAnimFrame(this._animationLoop))}}]),t}();ue.animations=[],ue.animIdCounter=0,ue.animRunning=!1;var ce={node:1,duration:1,easing:1,onFinish:1,yoyo:1},de=0,fe=["fill","stroke","shadowColor"],ge=function(){function t(e,i,n,r,a,o,s){_(this,t),this.prop=e,this.propFunc=i,this.begin=r,this._pos=r,this.duration=o,this._change=0,this.prevPos=0,this.yoyo=s,this._time=0,this._position=0,this._startTime=0,this._finish=0,this.func=n,this._change=a-this.begin,this.pause()}return b(t,[{key:"fire",value:function(t){var e=this[t];e&&e()}},{key:"setTime",value: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())}},{key:"getTime",value:function(){return this._time}},{key:"setPosition",value:function(t){this.prevPos=this._pos,this.propFunc(t),this._pos=t}},{key:"getPosition",value:function(t){return void 0===t&&(t=this._time),this.func(t,this.begin,this._change,this.duration)}},{key:"play",value:function(){this.state=2,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onPlay")}},{key:"reverse",value:function(){this.state=3,this._time=this.duration-this._time,this._startTime=this.getTimer()-this._time,this.onEnterFrame(),this.fire("onReverse")}},{key:"seek",value:function(t){this.pause(),this._time=t,this.update(),this.fire("onSeek")}},{key:"reset",value:function(){this.pause(),this._time=0,this.update(),this.fire("onReset")}},{key:"finish",value:function(){this.pause(),this._time=this.duration,this.update(),this.fire("onFinish")}},{key:"update",value:function(){this.setPosition(this.getPosition(this._time)),this.fire("onUpdate")}},{key:"onEnterFrame",value:function(){var t=this.getTimer()-this._startTime;2===this.state?this.setTime(t):3===this.state&&this.setTime(this.duration-t)}},{key:"pause",value:function(){this.state=1,this.fire("onPause")}},{key:"getTimer",value:function(){return(new Date).getTime()}}]),t}(),ve=function(){function t(e){_(this,t);var i,n,r=this,a=e.node,o=a._id,s=e.easing||pe.Linear,h=!!e.yoyo;i=void 0===e.duration?.3:0===e.duration?.001:e.duration,this.node=a,this._id=de++;var l=a.getLayer()||(a instanceof u.Stage?a.getLayers():null);for(n in l||G.error("Tween constructor have `node` that is not in a layer. Please add node into layer first."),this.anim=new ue((function(){r.tween.onEnterFrame()}),l),this.tween=new ge(n,(function(t){r._tweenFunc(t)}),s,0,1,1e3*i,h),this._addListeners(),t.attrs[o]||(t.attrs[o]={}),t.attrs[o][this._id]||(t.attrs[o][this._id]={}),t.tweens[o]||(t.tweens[o]={}),e)void 0===ce[n]&&this._addAttr(n,e[n]);this.reset(),this.onFinish=e.onFinish,this.onReset=e.onReset,this.onUpdate=e.onUpdate}return b(t,[{key:"_addAttr",value:function(e,i){var n,r,a,o,s,h,l,u,c=this.node,d=c._id;if((a=t.tweens[d][e])&&delete t.attrs[d][a][e],n=c.getAttr(e),G._isArray(i))if(r=[],s=Math.max(i.length,n.length),"points"===e&&i.length!==n.length&&(i.length>n.length?(l=n,n=G._prepareArrayForTween(n,i,c.closed())):(h=i,i=G._prepareArrayForTween(i,n,c.closed()))),0===e.indexOf("fill"))for(o=0;o<s;o++)if(o%2==0)r.push(i[o]-n[o]);else{var f=G.colorToRGBA(n[o]);u=G.colorToRGBA(i[o]),n[o]=f,r.push({r:u.r-f.r,g:u.g-f.g,b:u.b-f.b,a:u.a-f.a})}else for(o=0;o<s;o++)r.push(i[o]-n[o]);else-1!==fe.indexOf(e)?(n=G.colorToRGBA(n),r={r:(u=G.colorToRGBA(i)).r-n.r,g:u.g-n.g,b:u.b-n.b,a:u.a-n.a}):r=i-n;t.attrs[d][this._id][e]={start:n,diff:r,end:i,trueEnd:h,trueStart:l},t.tweens[d][e]=this._id}},{key:"_tweenFunc",value:function(e){var i,n,r,a,o,s,h,l,u=this.node,c=t.attrs[u._id][this._id];for(i in c){if(r=(n=c[i]).start,a=n.diff,l=n.end,G._isArray(r))if(o=[],h=Math.max(r.length,l.length),0===i.indexOf("fill"))for(s=0;s<h;s++)s%2==0?o.push((r[s]||0)+a[s]*e):o.push("rgba("+Math.round(r[s].r+a[s].r*e)+","+Math.round(r[s].g+a[s].g*e)+","+Math.round(r[s].b+a[s].b*e)+","+(r[s].a+a[s].a*e)+")");else for(s=0;s<h;s++)o.push((r[s]||0)+a[s]*e);else o=-1!==fe.indexOf(i)?"rgba("+Math.round(r.r+a.r*e)+","+Math.round(r.g+a.g*e)+","+Math.round(r.b+a.b*e)+","+(r.a+a.a*e)+")":r+a*e;u.setAttr(i,o)}}},{key:"_addListeners",value:function(){var e=this;this.tween.onPlay=function(){e.anim.start()},this.tween.onReverse=function(){e.anim.start()},this.tween.onPause=function(){e.anim.stop()},this.tween.onFinish=function(){var i=e.node,n=t.attrs[i._id][e._id];n.points&&n.points.trueEnd&&i.setAttr("points",n.points.trueEnd),e.onFinish&&e.onFinish.call(e)},this.tween.onReset=function(){var i=e.node,n=t.attrs[i._id][e._id];n.points&&n.points.trueStart&&i.points(n.points.trueStart),e.onReset&&e.onReset()},this.tween.onUpdate=function(){e.onUpdate&&e.onUpdate.call(e)}}},{key:"play",value:function(){return this.tween.play(),this}},{key:"reverse",value:function(){return this.tween.reverse(),this}},{key:"reset",value:function(){return this.tween.reset(),this}},{key:"seek",value:function(t){return this.tween.seek(1e3*t),this}},{key:"pause",value:function(){return this.tween.pause(),this}},{key:"finish",value:function(){return this.tween.finish(),this}},{key:"destroy",value:function(){var e,i=this.node._id,n=this._id,r=t.tweens[i];for(e in 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s(f(i.prototype),"_useBufferCanvas",this).call(this,!0)}},{key:"_setInterval",value:function(){var t=this;this.interval=setInterval((function(){t._updateIndex()}),1e3/this.frameRate())}},{key:"start",value:function(){if(!this.isRunning()){var t=this.getLayer();this.anim.setLayers(t),this._setInterval(),this.anim.start()}}},{key:"stop",value:function(){this.anim.stop(),clearInterval(this.interval)}},{key:"isRunning",value:function(){return this.anim.isRunning()}},{key:"_updateIndex",value:function(){var t=this.frameIndex(),e=this.animation();t<this.animations()[e].length/4-1?this.frameIndex(t+1):this.frameIndex(0)}}]),i}(ne);Ue.prototype.className="Sprite",p(Ue),W.addGetterSetter(Ue,"animation"),W.addGetterSetter(Ue,"animations"),W.addGetterSetter(Ue,"frameOffsets"),W.addGetterSetter(Ue,"image"),W.addGetterSetter(Ue,"frameIndex",0,D()),W.addGetterSetter(Ue,"frameRate",17,D()),W.backCompat(Ue,{index:"frameIndex",getIndex:"getFrameIndex",setIndex:"setFrameIndex"});var Ve=function(t){l(i,t);var e=c(i);function i(){return _(this,i),e.apply(this,arguments)}return b(i,[{key:"_sceneFunc",value:function(t){var e=this.innerRadius(),i=this.outerRadius(),n=this.numPoints();t.beginPath(),t.moveTo(0,0-i);for(var r=1;r<2*n;r++){var a=r%2==0?i:e,o=a*Math.sin(r*Math.PI/n),s=-1*a*Math.cos(r*Math.PI/n);t.lineTo(o,s)}t.closePath(),t.fillStrokeShape(this)}},{key:"getWidth",value:function(){return 2*this.outerRadius()}},{key:"getHeight",value:function(){return 2*this.outerRadius()}},{key:"setWidth",value:function(t){this.outerRadius(t/2)}},{key:"setHeight",value:function(t){this.outerRadius(t/2)}}]),i}(ne);function Ke(t){return Array.from(t)}Ve.prototype.className="Star",Ve.prototype._centroid=!0,Ve.prototype._attrsAffectingSize=["innerRadius","outerRadius"],p(Ve),W.addGetterSetter(Ve,"numPoints",5,D()),W.addGetterSetter(Ve,"innerRadius",0,D()),W.addGetterSetter(Ve,"outerRadius",0,D());var Qe,Je="auto",Ze="justify",$e="left",ti="middle",ei="normal",ii=" ",ni="none",ri=["fontFamily","fontSize","fontStyle","fontVariant","padding","align","verticalAlign","lineHeight","text","width","height","wrap","ellipsis","letterSpacing"],ai=ri.length;function oi(){return Qe||(Qe=G.createCanvasElement().getContext("2d"))}var si=function(t){l(i,t);var e=c(i);function i(t){var n;_(this,i),n=e.call(this,function(t){return(t=t||{}).fillLinearGradientColorStops||t.fillRadialGradientColorStops||t.fillPatternImage||(t.fill=t.fill||"black"),t}(t)),n._partialTextX=0,n._partialTextY=0;for(var r=0;r<ai;r++)n.on(ri[r]+"Change.konva",n._setTextData);return n._setTextData(),n}return b(i,[{key:"_sceneFunc",value:function(t){var e=this.textArr,i=e.length;if(this.text()){var n,r=this.padding(),a=this.fontSize(),o=this.lineHeight()*a,s=this.verticalAlign(),h=0,l=this.align(),u=this.getWidth(),c=this.letterSpacing(),d=this.fill(),f=this.textDecoration(),g=-1!==f.indexOf("underline"),v=-1!==f.indexOf("line-through"),p=0,y=(p=o/2,0),m=0;for(t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",ti),t.setAttr("textAlign",$e),s===ti?h=(this.getHeight()-i*o-2*r)/2:"bottom"===s&&(h=this.getHeight()-i*o-2*r),t.translate(r,h+r),n=0;n<i;n++){y=0,m=0;var _,k,b,x=e[n],S=x.text,w=x.width,C=x.lastInParagraph;if(t.save(),"right"===l?y+=u-w-2*r:"center"===l&&(y+=(u-w-2*r)/2),g){t.save(),t.beginPath(),t.moveTo(y,p+m+Math.round(a/2)),k=0==(_=S.split(" ").length-1),b=l!==Ze||C?w:u-2*r,t.lineTo(y+Math.round(b),p+m+Math.round(a/2)),t.lineWidth=a/15;var P=this._getLinearGradient();t.strokeStyle=P||d,t.stroke(),t.restore()}if(v){t.save(),t.beginPath(),t.moveTo(y,p+m),k=0==(_=S.split(" ").length-1),b=l===Ze&&C&&!k?u-2*r:w,t.lineTo(y+Math.round(b),p+m),t.lineWidth=a/15;var A=this._getLinearGradient();t.strokeStyle=A||d,t.stroke(),t.restore()}if(0!==c||l===Ze){_=S.split(" ").length-1;for(var T=Ke(S),M=0;M<T.length;M++){var G=T[M];" "!==G||C||l!==Ze||(y+=(u-2*r-w)/_),this._partialTextX=y,this._partialTextY=p+m,this._partialText=G,t.fillStrokeShape(this),y+=this.measureSize(G).width+c}}else this._partialTextX=y,this._partialTextY=p+m,this._partialText=S,t.fillStrokeShape(this);t.restore(),i>1&&(p+=o)}}}},{key:"_hitFunc",value:function(t){var e=this.getWidth(),i=this.getHeight();t.beginPath(),t.rect(0,0,e,i),t.closePath(),t.fillStrokeShape(this)}},{key:"setText",value:function(t){var e=G._isString(t)?t:null==t?"":t+"";return this._setAttr("text",e),this}},{key:"getWidth",value:function(){return this.attrs.width===Je||void 0===this.attrs.width?this.getTextWidth()+2*this.padding():this.attrs.width}},{key:"getHeight",value:function(){return this.attrs.height===Je||void 0===this.attrs.height?this.fontSize()*this.textArr.length*this.lineHeight()+2*this.padding():this.attrs.height}},{key:"getTextWidth",value:function(){return this.textWidth}},{key:"getTextHeight",value:function(){return G.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight}},{key:"measureSize",value:function(t){var e,i=oi(),n=this.fontSize();return i.save(),i.font=this._getContextFont(),e=i.measureText(t),i.restore(),{width:e.width,height:n}}},{key:"_getContextFont",value:function(){return this.fontStyle()+ii+this.fontVariant()+ii+(this.fontSize()+"px ")+this.fontFamily().split(",").map((function(t){var e=(t=t.trim()).indexOf(" ")>=0,i=t.indexOf('"')>=0||t.indexOf("'")>=0;return e&&!i&&(t='"'.concat(t,'"')),t})).join(", ")}},{key:"_addTextLine",value:function(t){this.align()===Ze&&(t=t.trim());var e=this._getTextWidth(t);return this.textArr.push({text:t,width:e,lastInParagraph:!1})}},{key:"_getTextWidth",value:function(t){var e=this.letterSpacing(),i=t.length;return oi().measureText(t).width+(i?e*(i-1):0)}},{key:"_setTextData",value:function(){var t=this.text().split("\n"),e=+this.fontSize(),i=0,n=this.lineHeight()*e,r=this.attrs.width,a=this.attrs.height,o=r!==Je&&void 0!==r,s=a!==Je&&void 0!==a,h=this.padding(),l=r-2*h,u=a-2*h,c=0,d=this.wrap(),f="char"!==d&&d!==ni,g=this.ellipsis();this.textArr=[],oi().font=this._getContextFont();for(var v=g?this._getTextWidth("…"):0,p=0,y=t.length;p<y;++p){var m=t[p],_=this._getTextWidth(m);if(o&&_>l)for(;m.length>0;){for(var k=0,b=m.length,x="",S=0;k<b;){var w=k+b>>>1,C=m.slice(0,w+1),P=this._getTextWidth(C)+v;P<=l?(k=w+1,x=C,S=P):b=w}if(!x)break;if(f){var A,T=m[x.length];(A=(T===ii||"-"===T)&&S<=l?x.length:Math.max(x.lastIndexOf(ii),x.lastIndexOf("-"))+1)>0&&(k=A,x=x.slice(0,k),S=this._getTextWidth(x))}if(x=x.trimRight(),this._addTextLine(x),i=Math.max(i,S),c+=n,this._shouldHandleEllipsis(c)){this._tryToAddEllipsisToLastLine();break}if((m=(m=m.slice(k)).trimLeft()).length>0&&(_=this._getTextWidth(m))<=l){this._addTextLine(m),c+=n,i=Math.max(i,_);break}}else this._addTextLine(m),c+=n,i=Math.max(i,_),this._shouldHandleEllipsis(c)&&p<y-1&&this._tryToAddEllipsisToLastLine();if(this.textArr[this.textArr.length-1]&&(this.textArr[this.textArr.length-1].lastInParagraph=!0),s&&c+n>u)break}this.textHeight=e,this.textWidth=i}},{key:"_shouldHandleEllipsis",value:function(t){var e=+this.fontSize(),i=this.lineHeight()*e,n=this.attrs.height,r=n!==Je&&void 0!==n,a=n-2*this.padding();return!(this.wrap()!==ni)||r&&t+i>a}},{key:"_tryToAddEllipsisToLastLine",value:function(){var t=this.attrs.width,e=t!==Je&&void 0!==t,i=t-2*this.padding(),n=this.ellipsis(),r=this.textArr[this.textArr.length-1];r&&n&&(e&&(this._getTextWidth(r.text+"…")<i||(r.text=r.text.slice(0,r.text.length-3))),this.textArr.splice(this.textArr.length-1,1),this._addTextLine(r.text+"…"))}},{key:"getStrokeScaleEnabled",value:function(){return!0}}]),i}(ne);si.prototype._fillFunc=function(t){t.fillText(this._partialText,this._partialTextX,this._partialTextY)},si.prototype._strokeFunc=function(t){t.strokeText(this._partialText,this._partialTextX,this._partialTextY)},si.prototype.className="Text",si.prototype._attrsAffectingSize=["text","fontSize","padding","wrap","lineHeight","letterSpacing"],p(si),W.overWriteSetter(si,"width",L()),W.overWriteSetter(si,"height",L()),W.addGetterSetter(si,"fontFamily","Arial"),W.addGetterSetter(si,"fontSize",12,D()),W.addGetterSetter(si,"fontStyle",ei),W.addGetterSetter(si,"fontVariant",ei),W.addGetterSetter(si,"padding",0,D()),W.addGetterSetter(si,"align",$e),W.addGetterSetter(si,"verticalAlign","top"),W.addGetterSetter(si,"lineHeight",1,D()),W.addGetterSetter(si,"wrap","word"),W.addGetterSetter(si,"ellipsis",!1,N()),W.addGetterSetter(si,"letterSpacing",0,D()),W.addGetterSetter(si,"text","",I()),W.addGetterSetter(si,"textDecoration","");var hi="normal";function li(t){t.fillText(this.partialText,0,0)}function ui(t){t.strokeText(this.partialText,0,0)}var ci=function(t){l(i,t);var e=c(i);function i(t){var n;return _(this,i),(n=e.call(this,t)).dummyCanvas=G.createCanvasElement(),n.dataArray=[],n._readDataAttribute(),n.on("dataChange.konva",(function(){this._readDataAttribute(),this._setTextData()})),n.on("textChange.konva alignChange.konva letterSpacingChange.konva kerningFuncChange.konva fontSizeChange.konva fontFamilyChange.konva",n._setTextData),n._setTextData(),n}return b(i,[{key:"_getTextPathLength",value:function(){return Ge.getPathLength(this.dataArray)}},{key:"_getPointAtLength",value:function(t){return this.attrs.data?t-1>this.pathLength?null:Ge.getPointAtLengthOfDataArray(t,this.dataArray):null}},{key:"_readDataAttribute",value:function(){this.dataArray=Ge.parsePathData(this.attrs.data),this.pathLength=this._getTextPathLength()}},{key:"_sceneFunc",value:function(t){t.setAttr("font",this._getContextFont()),t.setAttr("textBaseline",this.textBaseline()),t.setAttr("textAlign","left"),t.save();var e=this.textDecoration(),i=this.fill(),n=this.fontSize(),r=this.glyphInfo;"underline"===e&&t.beginPath();for(var a=0;a<r.length;a++){t.save();var o=r[a].p0;t.translate(o.x,o.y),t.rotate(r[a].rotation),this.partialText=r[a].text,t.fillStrokeShape(this),"underline"===e&&(0===a&&t.moveTo(0,n/2+1),t.lineTo(n,n/2+1)),t.restore()}"underline"===e&&(t.strokeStyle=i,t.lineWidth=n/20,t.stroke()),t.restore()}},{key:"_hitFunc",value:function(t){t.beginPath();var e=this.glyphInfo;if(e.length>=1){var i=e[0].p0;t.moveTo(i.x,i.y)}for(var n=0;n<e.length;n++){var r=e[n].p1;t.lineTo(r.x,r.y)}t.setAttr("lineWidth",this.fontSize()),t.setAttr("strokeStyle",this.colorKey),t.stroke()}},{key:"getTextWidth",value:function(){return this.textWidth}},{key:"getTextHeight",value:function(){return G.warn("text.getTextHeight() method is deprecated. Use text.height() - for full height and text.fontSize() - for one line height."),this.textHeight}},{key:"setText",value:function(t){return si.prototype.setText.call(this,t)}},{key:"_getContextFont",value:function(){return si.prototype._getContextFont.call(this)}},{key:"_getTextSize",value:function(t){var e=this.dummyCanvas.getContext("2d");e.save(),e.font=this._getContextFont();var i=e.measureText(t);return e.restore(),{width:i.width,height:parseInt("".concat(this.fontSize()),10)}}},{key:"_setTextData",value:function(){var t=this._getTextSize(this.attrs.text),e=t.width,i=t.height;if(this.textWidth=e,this.textHeight=i,this.glyphInfo=[],!this.attrs.data)return null;var n=this.letterSpacing(),r=this.align(),a=this.kerningFunc(),o=Math.max(this.textWidth+((this.attrs.text||"").length-1)*n,0),s=0;"center"===r&&(s=Math.max(0,this.pathLength/2-o/2)),"right"===r&&(s=Math.max(0,this.pathLength-o));for(var h=Ke(this.text()),l=s,u=0;u<h.length;u++){var c=this._getPointAtLength(l);if(!c)return;var d=this._getTextSize(h[u]).width+n;if(" "===h[u]&&"justify"===r){var f=this.text().split(" ").length-1;d+=(this.pathLength-o)/f}var g=this._getPointAtLength(l+d);if(!g)return;var v=Ge.getLineLength(c.x,c.y,g.x,g.y),p=0;if(a)try{p=a(h[u-1],h[u])*this.fontSize()}catch(t){p=0}c.x+=p,g.x+=p,this.textWidth+=p;var y=Ge.getPointOnLine(p+v/2,c.x,c.y,g.x,g.y),m=Math.atan2(g.y-c.y,g.x-c.x);this.glyphInfo.push({transposeX:y.x,transposeY:y.y,text:h[u],rotation:m,p0:c,p1:g}),l+=d}}},{key:"getSelfRect",value:function(){if(!this.glyphInfo.length)return{x:0,y:0,width:0,height:0};var t=[];this.glyphInfo.forEach((function(e){t.push(e.p0.x),t.push(e.p0.y),t.push(e.p1.x),t.push(e.p1.y)}));for(var e,i,n=t[0]||0,r=t[0]||0,a=t[1]||0,o=t[1]||0,s=0;s<t.length/2;s++)e=t[2*s],i=t[2*s+1],n=Math.min(n,e),r=Math.max(r,e),a=Math.min(a,i),o=Math.max(o,i);var h=this.fontSize();return{x:n-h/2,y:a-h/2,width:r-n+h,height:o-a+h}}},{key:"destroy",value:function(){return G.releaseCanvas(this.dummyCanvas),s(f(i.prototype),"destroy",this).call(this)}}]),i}(ne);ci.prototype._fillFunc=li,ci.prototype._strokeFunc=ui,ci.prototype._fillFuncHit=li,ci.prototype._strokeFuncHit=ui,ci.prototype.className="TextPath",ci.prototype._attrsAffectingSize=["text","fontSize","data"],p(ci),W.addGetterSetter(ci,"data"),W.addGetterSetter(ci,"fontFamily","Arial"),W.addGetterSetter(ci,"fontSize",12,D()),W.addGetterSetter(ci,"fontStyle",hi),W.addGetterSetter(ci,"align","left"),W.addGetterSetter(ci,"letterSpacing",0,D()),W.addGetterSetter(ci,"textBaseline","middle"),W.addGetterSetter(ci,"fontVariant",hi),W.addGetterSetter(ci,"text",""),W.addGetterSetter(ci,"textDecoration",null),W.addGetterSetter(ci,"kerningFunc",null);var di="tr-konva",fi=["resizeEnabledChange","rotateAnchorOffsetChange","rotateEnabledChange","enabledAnchorsChange","anchorSizeChange","borderEnabledChange","borderStrokeChange","borderStrokeWidthChange","borderDashChange","anchorStrokeChange","anchorStrokeWidthChange","anchorFillChange","anchorCornerRadiusChange","ignoreStrokeChange"].map((function(t){return t+".".concat(di)})).join(" "),gi="nodesRect",vi=["widthChange","heightChange","scaleXChange","scaleYChange","skewXChange","skewYChange","rotationChange","offsetXChange","offsetYChange","transformsEnabledChange","strokeWidthChange"],pi={"top-left":-45,"top-center":0,"top-right":45,"middle-right":-90,"middle-left":90,"bottom-left":-135,"bottom-center":180,"bottom-right":135},yi="ontouchstart"in u._global,mi=["top-left","top-center","top-right","middle-right","middle-left","bottom-left","bottom-center","bottom-right"];function _i(t,e,i){var n=i.x+(t.x-i.x)*Math.cos(e)-(t.y-i.y)*Math.sin(e),r=i.y+(t.x-i.x)*Math.sin(e)+(t.y-i.y)*Math.cos(e);return Object.assign(Object.assign({},t),{rotation:t.rotation+e,x:n,y:r})}var ki=function(t){l(i,t);var e=c(i);function i(t){var n;return _(this,i),(n=e.call(this,t))._transforming=!1,n._createElements(),n._handleMouseMove=n._handleMouseMove.bind(d(n)),n._handleMouseUp=n._handleMouseUp.bind(d(n)),n.update=n.update.bind(d(n)),n.on(fi,n.update),n.getNode()&&n.update(),n}return b(i,[{key:"attachTo",value:function(t){return this.setNode(t),this}},{key:"setNode",value:function(t){return G.warn("tr.setNode(shape), tr.node(shape) and tr.attachTo(shape) methods are deprecated. Please use tr.nodes(nodesArray) instead."),this.setNodes([t])}},{key:"getNode",value:function(){return this._nodes&&this._nodes[0]}},{key:"_getEventNamespace",value:function(){return di+this._id}},{key:"setNodes",value:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];this._nodes&&this._nodes.length&&this.detach();var i=e.filter((function(e){return!e.isAncestorOf(t)||(G.error("Konva.Transformer cannot be an a child of the node you are trying to attach"),!1)}));return this._nodes=e=i,1===e.length&&this.useSingleNodeRotation()?this.rotation(e[0].getAbsoluteRotation()):this.rotation(0),this._nodes.forEach((function(e){var i=function(){1===t.nodes().length&&t.useSingleNodeRotation()&&t.rotation(t.nodes()[0].getAbsoluteRotation()),t._resetTransformCache(),t._transforming||t.isDragging()||t.update()},n=e._attrsAffectingSize.map((function(e){return e+"Change."+t._getEventNamespace()})).join(" ");e.on(n,i),e.on(vi.map((function(e){return e+".".concat(t._getEventNamespace())})).join(" "),i),e.on("absoluteTransformChange.".concat(t._getEventNamespace()),i),t._proxyDrag(e)})),this._resetTransformCache(),!!this.findOne(".top-left")&&this.update(),this}},{key:"_proxyDrag",value:function(t){var e,i=this;t.on("dragstart.".concat(this._getEventNamespace()),(function(n){e=t.getAbsolutePosition(),i.isDragging()||t===i.findOne(".back")||i.startDrag(n,!1)})),t.on("dragmove.".concat(this._getEventNamespace()),(function(n){if(e){var r=t.getAbsolutePosition(),a=r.x-e.x,o=r.y-e.y;i.nodes().forEach((function(e){if(e!==t&&!e.isDragging()){var i=e.getAbsolutePosition();e.setAbsolutePosition({x:i.x+a,y:i.y+o}),e.startDrag(n)}})),e=null}}))}},{key:"getNodes",value:function(){return this._nodes||[]}},{key:"getActiveAnchor",value:function(){return this._movingAnchorName}},{key:"detach",value:function(){var t=this;this._nodes&&this._nodes.forEach((function(e){e.off("."+t._getEventNamespace())})),this._nodes=[],this._resetTransformCache()}},{key:"_resetTransformCache",value:function(){this._clearCache(gi),this._clearCache("transform"),this._clearSelfAndDescendantCache("absoluteTransform")}},{key:"_getNodeRect",value:function(){return this._getCache(gi,this.__getNodeRect)}},{key:"__getNodeShape",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.rotation(),i=arguments.length>2?arguments[2]:void 0,n=t.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:this.ignoreStroke()}),r=t.getAbsoluteScale(i),a=t.getAbsolutePosition(i),o=n.x*r.x-t.offsetX()*r.x,s=n.y*r.y-t.offsetY()*r.y,h=(u.getAngle(t.getAbsoluteRotation())+2*Math.PI)%(2*Math.PI);return _i({x:a.x+o*Math.cos(h)+s*Math.sin(-h),y:a.y+s*Math.cos(h)+o*Math.sin(h),width:n.width*r.x,height:n.height*r.y,rotation:h},-u.getAngle(e),{x:0,y:0})}},{key:"__getNodeRect",value:function(){var t=this;if(!this.getNode())return{x:-1e8,y:-1e8,width:0,height:0,rotation:0};var e=[];this.nodes().map((function(i){var n=i.getClientRect({skipTransform:!0,skipShadow:!0,skipStroke:t.ignoreStroke()}),r=[{x:n.x,y:n.y},{x:n.x+n.width,y:n.y},{x:n.x+n.width,y:n.y+n.height},{x:n.x,y:n.y+n.height}],a=i.getAbsoluteTransform();r.forEach((function(t){var i=a.point(t);e.push(i)}))}));var i,n,r,a,o=new k;o.rotate(-u.getAngle(this.rotation())),e.forEach((function(t){var e=o.point(t);void 0===i&&(i=r=e.x,n=a=e.y),i=Math.min(i,e.x),n=Math.min(n,e.y),r=Math.max(r,e.x),a=Math.max(a,e.y)})),o.invert();var s=o.point({x:i,y:n});return{x:s.x,y:s.y,width:r-i,height:a-n,rotation:u.getAngle(this.rotation())}}},{key:"getX",value:function(){return this._getNodeRect().x}},{key:"getY",value:function(){return this._getNodeRect().y}},{key:"getWidth",value:function(){return this._getNodeRect().width}},{key:"getHeight",value:function(){return this._getNodeRect().height}},{key:"_createElements",value:function(){this._createBack(),mi.forEach(function(t){this._createAnchor(t)}.bind(this)),this._createAnchor("rotater")}},{key:"_createAnchor",value:function(t){var e=this,i=new je({stroke:"rgb(0, 161, 255)",fill:"white",strokeWidth:1,name:t+" _anchor",dragDistance:0,draggable:!0,hitStrokeWidth:yi?10:"auto"}),n=this;i.on("mousedown touchstart",(function(t){n._handleMouseDown(t)})),i.on("dragstart",(function(t){i.stopDrag(),t.cancelBubble=!0})),i.on("dragend",(function(t){t.cancelBubble=!0})),i.on("mouseenter",(function(){var n=u.getAngle(e.rotation()),r=function(t,e){if("rotater"===t)return"crosshair";e+=G.degToRad(pi[t]||0);var i=(G.radToDeg(e)%360+360)%360;return G._inRange(i,337.5,360)||G._inRange(i,0,22.5)?"ns-resize":G._inRange(i,22.5,67.5)?"nesw-resize":G._inRange(i,67.5,112.5)?"ew-resize":G._inRange(i,112.5,157.5)?"nwse-resize":G._inRange(i,157.5,202.5)?"ns-resize":G._inRange(i,202.5,247.5)?"nesw-resize":G._inRange(i,247.5,292.5)?"ew-resize":G._inRange(i,292.5,337.5)?"nwse-resize":(G.error("Transformer has unknown angle for cursor detection: "+i),"pointer")}(t,n);i.getStage().content&&(i.getStage().content.style.cursor=r),e._cursorChange=!0})),i.on("mouseout",(function(){i.getStage().content&&(i.getStage().content.style.cursor=""),e._cursorChange=!1})),this.add(i)}},{key:"_createBack",value:function(){var t=this,e=new ne({name:"back",width:0,height:0,draggable:!0,sceneFunc:function(t){var e=this.getParent(),i=e.padding();t.beginPath(),t.rect(-i,-i,this.width()+2*i,this.height()+2*i),t.moveTo(this.width()/2,-i),e.rotateEnabled()&&t.lineTo(this.width()/2,-e.rotateAnchorOffset()*G._sign(this.height())-i),t.fillStrokeShape(this)},hitFunc:function(e,i){if(t.shouldOverdrawWholeArea()){var n=t.padding();e.beginPath(),e.rect(-n,-n,i.width()+2*n,i.height()+2*n),e.fillStrokeShape(i)}}});this.add(e),this._proxyDrag(e),e.on("dragstart",(function(t){t.cancelBubble=!0})),e.on("dragmove",(function(t){t.cancelBubble=!0})),e.on("dragend",(function(t){t.cancelBubble=!0})),this.on("dragmove",(function(e){t.update()}))}},{key:"_handleMouseDown",value:function(t){this._movingAnchorName=t.target.name().split(" ")[0];var e=this._getNodeRect(),i=e.width,n=e.height,r=Math.sqrt(Math.pow(i,2)+Math.pow(n,2));this.sin=Math.abs(n/r),this.cos=Math.abs(i/r),"undefined"!=typeof window&&(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;var a=t.target.getAbsolutePosition(),o=t.target.getStage().getPointerPosition();this._anchorDragOffset={x:o.x-a.x,y:o.y-a.y},this._fire("transformstart",{evt:t.evt,target:this.getNode()}),this._nodes.forEach((function(e){e._fire("transformstart",{evt:t.evt,target:e})}))}},{key:"_handleMouseMove",value:function(t){var e,i,n,r=this.findOne("."+this._movingAnchorName),a=r.getStage();a.setPointersPositions(t);var o=a.getPointerPosition(),s={x:o.x-this._anchorDragOffset.x,y:o.y-this._anchorDragOffset.y},h=r.getAbsolutePosition();this.anchorDragBoundFunc()&&(s=this.anchorDragBoundFunc()(h,s,t)),r.setAbsolutePosition(s);var l=r.getAbsolutePosition();if(h.x!==l.x||h.y!==l.y)if("rotater"!==this._movingAnchorName){var c,d=this.shiftBehavior();c="inverted"===d?this.keepRatio()&&!t.shiftKey:"none"===d?this.keepRatio():this.keepRatio()||t.shiftKey;var f=this.centeredScaling()||t.altKey;if("top-left"===this._movingAnchorName){if(c){var g=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-right").x(),y:this.findOne(".bottom-right").y()};n=Math.sqrt(Math.pow(g.x-r.x(),2)+Math.pow(g.y-r.y(),2));var v=this.findOne(".top-left").x()>g.x?-1:1,p=this.findOne(".top-left").y()>g.y?-1:1;e=n*this.cos*v,i=n*this.sin*p,this.findOne(".top-left").x(g.x-e),this.findOne(".top-left").y(g.y-i)}}else if("top-center"===this._movingAnchorName)this.findOne(".top-left").y(r.y());else if("top-right"===this._movingAnchorName){c&&(g=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".bottom-left").x(),y:this.findOne(".bottom-left").y()},n=Math.sqrt(Math.pow(r.x()-g.x,2)+Math.pow(g.y-r.y(),2)),v=this.findOne(".top-right").x()<g.x?-1:1,p=this.findOne(".top-right").y()>g.y?-1:1,e=n*this.cos*v,i=n*this.sin*p,this.findOne(".top-right").x(g.x+e),this.findOne(".top-right").y(g.y-i));var y=r.position();this.findOne(".top-left").y(y.y),this.findOne(".bottom-right").x(y.x)}else"middle-left"===this._movingAnchorName?this.findOne(".top-left").x(r.x()):"middle-right"===this._movingAnchorName?this.findOne(".bottom-right").x(r.x()):"bottom-left"===this._movingAnchorName?(c&&(g=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-right").x(),y:this.findOne(".top-right").y()},n=Math.sqrt(Math.pow(g.x-r.x(),2)+Math.pow(r.y()-g.y,2)),v=g.x<r.x()?-1:1,p=r.y()<g.y?-1:1,e=n*this.cos*v,i=n*this.sin*p,r.x(g.x-e),r.y(g.y+i)),y=r.position(),this.findOne(".top-left").x(y.x),this.findOne(".bottom-right").y(y.y)):"bottom-center"===this._movingAnchorName?this.findOne(".bottom-right").y(r.y()):"bottom-right"===this._movingAnchorName?c&&(g=f?{x:this.width()/2,y:this.height()/2}:{x:this.findOne(".top-left").x(),y:this.findOne(".top-left").y()},n=Math.sqrt(Math.pow(r.x()-g.x,2)+Math.pow(r.y()-g.y,2)),v=this.findOne(".bottom-right").x()<g.x?-1:1,p=this.findOne(".bottom-right").y()<g.y?-1:1,e=n*this.cos*v,i=n*this.sin*p,this.findOne(".bottom-right").x(g.x+e),this.findOne(".bottom-right").y(g.y+i)):console.error(new Error("Wrong position argument of selection resizer: "+this._movingAnchorName));if(f=this.centeredScaling()||t.altKey){var m=this.findOne(".top-left"),_=this.findOne(".bottom-right"),k=m.x(),b=m.y(),x=this.getWidth()-_.x(),S=this.getHeight()-_.y();_.move({x:-k,y:-b}),m.move({x,y:S})}var w=this.findOne(".top-left").getAbsolutePosition();e=w.x,i=w.y;var C=this.findOne(".bottom-right").x()-this.findOne(".top-left").x(),P=this.findOne(".bottom-right").y()-this.findOne(".top-left").y();this._fitNodesInto({x:e,y:i,width:C,height:P,rotation:u.getAngle(this.rotation())},t)}else{var A=this._getNodeRect();e=r.x()-A.width/2,i=-r.y()+A.height/2;var T=Math.atan2(-i,e)+Math.PI/2;A.height<0&&(T-=Math.PI);var M=u.getAngle(this.rotation())+T,G=u.getAngle(this.rotationSnapTolerance()),R=function(t,e,i){for(var n=e,r=0;r<t.length;r++){var a=u.getAngle(t[r]),o=Math.abs(a-e)%(2*Math.PI);Math.min(o,2*Math.PI-o)<i&&(n=a)}return n}(this.rotationSnaps(),M,G),E=function(t,e){var i=function(t){return{x:t.x+t.width/2*Math.cos(t.rotation)+t.height/2*Math.sin(-t.rotation),y:t.y+t.height/2*Math.cos(t.rotation)+t.width/2*Math.sin(t.rotation)}}(t);return _i(t,e,i)}(A,R-A.rotation);this._fitNodesInto(E,t)}}},{key:"_handleMouseUp",value:function(t){this._removeEvents(t)}},{key:"getAbsoluteTransform",value:function(){return this.getTransform()}},{key:"_removeEvents",value:function(t){if(this._transforming){this._transforming=!1,"undefined"!=typeof window&&(window.removeEventListener("mousemove",this._handleMouseMove),window.removeEventListener("touchmove",this._handleMouseMove),window.removeEventListener("mouseup",this._handleMouseUp,!0),window.removeEventListener("touchend",this._handleMouseUp,!0));var e=this.getNode();this._fire("transformend",{evt:t,target:e}),e&&this._nodes.forEach((function(e){e._fire("transformend",{evt:t,target:e})})),this._movingAnchorName=null}}},{key:"_fitNodesInto",value:function(t,e){var i=this,n=this._getNodeRect();if(G._inRange(t.width,2*-this.padding()-1,1))this.update();else if(G._inRange(t.height,2*-this.padding()-1,1))this.update();else{var r=this.flipEnabled(),a=new k;if(a.rotate(u.getAngle(this.rotation())),this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("left")>=0){var o=a.point({x:2*-this.padding(),y:0});if(t.x+=o.x,t.y+=o.y,t.width+=2*this.padding(),this._movingAnchorName=this._movingAnchorName.replace("left","right"),this._anchorDragOffset.x-=o.x,this._anchorDragOffset.y-=o.y,!r)return void this.update()}else if(this._movingAnchorName&&t.width<0&&this._movingAnchorName.indexOf("right")>=0){var s=a.point({x:2*this.padding(),y:0});if(this._movingAnchorName=this._movingAnchorName.replace("right","left"),this._anchorDragOffset.x-=s.x,this._anchorDragOffset.y-=s.y,t.width+=2*this.padding(),!r)return void this.update()}if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("top")>=0){var h=a.point({x:0,y:2*-this.padding()});if(t.x+=h.x,t.y+=h.y,this._movingAnchorName=this._movingAnchorName.replace("top","bottom"),this._anchorDragOffset.x-=h.x,this._anchorDragOffset.y-=h.y,t.height+=2*this.padding(),!r)return void this.update()}else if(this._movingAnchorName&&t.height<0&&this._movingAnchorName.indexOf("bottom")>=0){var l=a.point({x:0,y:2*this.padding()});if(this._movingAnchorName=this._movingAnchorName.replace("bottom","top"),this._anchorDragOffset.x-=l.x,this._anchorDragOffset.y-=l.y,t.height+=2*this.padding(),!r)return void this.update()}if(this.boundBoxFunc()){var c=this.boundBoxFunc()(n,t);c?t=c:G.warn("boundBoxFunc returned falsy. You should return new bound rect from it!")}var d=1e7,f=new k;f.translate(n.x,n.y),f.rotate(n.rotation),f.scale(n.width/d,n.height/d);var g=new k;g.translate(t.x,t.y),g.rotate(t.rotation),g.scale(t.width/d,t.height/d);var v=g.multiply(f.invert());this._nodes.forEach((function(t){var n,r=t.getParent().getAbsoluteTransform(),a=t.getTransform().copy();a.translate(t.offsetX(),t.offsetY());var o=new k;o.multiply(r.copy().invert()).multiply(v).multiply(r).multiply(a);var s=o.decompose();t.setAttrs(s),i._fire("transform",{evt:e,target:t}),t._fire("transform",{evt:e,target:t}),null===(n=t.getLayer())||void 0===n||n.batchDraw()})),this.rotation(G._getRotation(t.rotation)),this._resetTransformCache(),this.update(),this.getLayer().batchDraw()}}},{key:"forceUpdate",value:function(){this._resetTransformCache(),this.update()}},{key:"_batchChangeChild",value:function(t,e){this.findOne(t).setAttrs(e)}},{key:"update",value:function(){var t,e=this,i=this._getNodeRect();this.rotation(G._getRotation(i.rotation));var n=i.width,r=i.height,a=this.enabledAnchors(),o=this.resizeEnabled(),s=this.padding(),h=this.anchorSize();this.find("._anchor").forEach((function(t){t.setAttrs({width:h,height:h,offsetX:h/2,offsetY:h/2,stroke:e.anchorStroke(),strokeWidth:e.anchorStrokeWidth(),fill:e.anchorFill(),cornerRadius:e.anchorCornerRadius()})})),this._batchChangeChild(".top-left",{x:0,y:0,offsetX:h/2+s,offsetY:h/2+s,visible:o&&a.indexOf("top-left")>=0}),this._batchChangeChild(".top-center",{x:n/2,y:0,offsetY:h/2+s,visible:o&&a.indexOf("top-center")>=0}),this._batchChangeChild(".top-right",{x:n,y:0,offsetX:h/2-s,offsetY:h/2+s,visible:o&&a.indexOf("top-right")>=0}),this._batchChangeChild(".middle-left",{x:0,y:r/2,offsetX:h/2+s,visible:o&&a.indexOf("middle-left")>=0}),this._batchChangeChild(".middle-right",{x:n,y:r/2,offsetX:h/2-s,visible:o&&a.indexOf("middle-right")>=0}),this._batchChangeChild(".bottom-left",{x:0,y:r,offsetX:h/2+s,offsetY:h/2-s,visible:o&&a.indexOf("bottom-left")>=0}),this._batchChangeChild(".bottom-center",{x:n/2,y:r,offsetY:h/2-s,visible:o&&a.indexOf("bottom-center")>=0}),this._batchChangeChild(".bottom-right",{x:n,y:r,offsetX:h/2-s,offsetY:h/2-s,visible:o&&a.indexOf("bottom-right")>=0}),this._batchChangeChild(".rotater",{x:n/2,y:-this.rotateAnchorOffset()*G._sign(r)-s,visible:this.rotateEnabled()}),this._batchChangeChild(".back",{width:n,height:r,visible:this.borderEnabled(),stroke:this.borderStroke(),strokeWidth:this.borderStrokeWidth(),dash:this.borderDash(),x:0,y:0}),null===(t=this.getLayer())||void 0===t||t.batchDraw()}},{key:"isTransforming",value:function(){return this._transforming}},{key:"stopTransform",value:function(){if(this._transforming){this._removeEvents();var t=this.findOne("."+this._movingAnchorName);t&&t.stopDrag()}}},{key:"destroy",value:function(){return this.getStage()&&this._cursorChange&&this.getStage().content&&(this.getStage().content.style.cursor=""),he.prototype.destroy.call(this),this.detach(),this._removeEvents(),this}},{key:"toObject",value:function(){return dt.prototype.toObject.call(this)}},{key:"clone",value:function(t){return dt.prototype.clone.call(this,t)}},{key:"getClientRect",value:function(){return this.nodes().length>0?s(f(i.prototype),"getClientRect",this).call(this):{x:0,y:0,width:0,height:0}}}]),i}(he);ki.prototype.className="Transformer",p(ki),W.addGetterSetter(ki,"enabledAnchors",mi,(function(t){return t instanceof Array||G.warn("enabledAnchors value should be an array"),t instanceof Array&&t.forEach((function(t){-1===mi.indexOf(t)&&G.warn("Unknown anchor name: "+t+". Available names are: "+mi.join(", "))})),t||[]})),W.addGetterSetter(ki,"flipEnabled",!0,N()),W.addGetterSetter(ki,"resizeEnabled",!0),W.addGetterSetter(ki,"anchorSize",10,D()),W.addGetterSetter(ki,"rotateEnabled",!0),W.addGetterSetter(ki,"rotationSnaps",[]),W.addGetterSetter(ki,"rotateAnchorOffset",50,D()),W.addGetterSetter(ki,"rotationSnapTolerance",5,D()),W.addGetterSetter(ki,"borderEnabled",!0),W.addGetterSetter(ki,"anchorStroke","rgb(0, 161, 255)"),W.addGetterSetter(ki,"anchorStrokeWidth",1,D()),W.addGetterSetter(ki,"anchorFill","white"),W.addGetterSetter(ki,"anchorCornerRadius",0,D()),W.addGetterSetter(ki,"borderStroke","rgb(0, 161, 255)"),W.addGetterSetter(ki,"borderStrokeWidth",1,D()),W.addGetterSetter(ki,"borderDash"),W.addGetterSetter(ki,"keepRatio",!0),W.addGetterSetter(ki,"shiftBehavior","default"),W.addGetterSetter(ki,"centeredScaling",!1),W.addGetterSetter(ki,"ignoreStroke",!1),W.addGetterSetter(ki,"padding",0,D()),W.addGetterSetter(ki,"node"),W.addGetterSetter(ki,"nodes"),W.addGetterSetter(ki,"boundBoxFunc"),W.addGetterSetter(ki,"anchorDragBoundFunc"),W.addGetterSetter(ki,"shouldOverdrawWholeArea",!1),W.addGetterSetter(ki,"useSingleNodeRotation",!0),W.backCompat(ki,{lineEnabled:"borderEnabled",rotateHandlerOffset:"rotateAnchorOffset",enabledHandlers:"enabledAnchors"});var bi=function(t){l(i,t);var e=c(i);function i(){return _(this,i),e.apply(this,arguments)}return b(i,[{key:"_sceneFunc",value:function(t){t.beginPath(),t.arc(0,0,this.radius(),0,u.getAngle(this.angle()),this.clockwise()),t.lineTo(0,0),t.closePath(),t.fillStrokeShape(this)}},{key:"getWidth",value:function(){return 2*this.radius()}},{key:"getHeight",value:function(){return 2*this.radius()}},{key:"setWidth",value:function(t){this.radius(t/2)}},{key:"setHeight",value:function(t){this.radius(t/2)}}]),i}(ne);function xi(){this.r=0,this.g=0,this.b=0,this.a=0,this.next=null}bi.prototype.className="Wedge",bi.prototype._centroid=!0,bi.prototype._attrsAffectingSize=["radius"],p(bi),W.addGetterSetter(bi,"radius",0,D()),W.addGetterSetter(bi,"angle",0,D()),W.addGetterSetter(bi,"clockwise",!1),W.backCompat(bi,{angleDeg:"angle",getAngleDeg:"getAngle",setAngleDeg:"setAngle"});var 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Ci(t,e,i,n,r){var a=i-e,o=r-n;return 0===a?n+o/2:0===o?n:o*((t-e)/a)+n}function Pi(t,e,i){var n=4*(i*t.width+e),r=[];return r.push(t.data[n++],t.data[n++],t.data[n++],t.data[n++]),r}function Ai(t,e){return Math.sqrt(Math.pow(t[0]-e[0],2)+Math.pow(t[1]-e[1],2)+Math.pow(t[2]-e[2],2))}return W.addGetterSetter(dt,"blurRadius",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"brightness",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"contrast",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"embossStrength",.5,D(),W.afterSetFilter),W.addGetterSetter(dt,"embossWhiteLevel",.5,D(),W.afterSetFilter),W.addGetterSetter(dt,"embossDirection","top-left",null,W.afterSetFilter),W.addGetterSetter(dt,"embossBlend",!1,null,W.afterSetFilter),W.addGetterSetter(dt,"enhance",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"hue",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"saturation",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"luminance",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"hue",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"saturation",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"value",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"kaleidoscopePower",2,D(),W.afterSetFilter),W.addGetterSetter(dt,"kaleidoscopeAngle",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"threshold",0,D(),W.afterSetFilter),W.addGetterSetter(dt,"noise",.2,D(),W.afterSetFilter),W.addGetterSetter(dt,"pixelSize",8,D(),W.afterSetFilter),W.addGetterSetter(dt,"levels",.5,D(),W.afterSetFilter),W.addGetterSetter(dt,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),W.addGetterSetter(dt,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),W.addGetterSetter(dt,"blue",0,E,W.afterSetFilter),W.addGetterSetter(dt,"red",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),W.addGetterSetter(dt,"green",0,(function(t){return this._filterUpToDate=!1,t>255?255:t<0?0:Math.round(t)})),W.addGetterSetter(dt,"blue",0,E,W.afterSetFilter),W.addGetterSetter(dt,"alpha",1,(function(t){return this._filterUpToDate=!1,t>1?1:t<0?0:t})),W.addGetterSetter(dt,"threshold",.5,D(),W.afterSetFilter),ye.Util._assign(ye,{Arc:me,Arrow:Re,Circle:Ee,Ellipse:De,Image:Oe,Label:We,Tag:ze,Line:be,Path:Ge,Rect:je,RegularPolygon:Ye,Ring:qe,Sprite:Ue,Star:Ve,Text:si,TextPath:ci,Transformer:ki,Wedge:bi,Filters:{Blur:function(t){var e=Math.round(this.blurRadius());e>0&&function(t,e){var i,n,r,a,o,s,h,l,u,c,d,f,g,v,p,y,m,_,k,b,x,S,w,C,P=t.data,A=t.width,T=t.height,M=e+e+1,G=A-1,R=T-1,E=e+1,D=E*(E+1)/2,O=new xi,L=null,I=O,F=null,N=null,B=Si[e],H=wi[e];for(r=1;r<M;r++)I=I.next=new xi,r===E&&(L=I);for(I.next=O,h=s=0,n=0;n<T;n++){for(y=m=_=k=l=u=c=d=0,f=E*(b=P[s]),g=E*(x=P[s+1]),v=E*(S=P[s+2]),p=E*(w=P[s+3]),l+=D*b,u+=D*x,c+=D*S,d+=D*w,I=O,r=0;r<E;r++)I.r=b,I.g=x,I.b=S,I.a=w,I=I.next;for(r=1;r<E;r++)a=s+((G<r?G:r)<<2),l+=(I.r=b=P[a])*(C=E-r),u+=(I.g=x=P[a+1])*C,c+=(I.b=S=P[a+2])*C,d+=(I.a=w=P[a+3])*C,y+=b,m+=x,_+=S,k+=w,I=I.next;for(F=O,N=L,i=0;i<A;i++)P[s+3]=w=d*B>>H,0!==w?(w=255/w,P[s]=(l*B>>H)*w,P[s+1]=(u*B>>H)*w,P[s+2]=(c*B>>H)*w):P[s]=P[s+1]=P[s+2]=0,l-=f,u-=g,c-=v,d-=p,f-=F.r,g-=F.g,v-=F.b,p-=F.a,a=h+((a=i+e+1)<G?a:G)<<2,l+=y+=F.r=P[a],u+=m+=F.g=P[a+1],c+=_+=F.b=P[a+2],d+=k+=F.a=P[a+3],F=F.next,f+=b=N.r,g+=x=N.g,v+=S=N.b,p+=w=N.a,y-=b,m-=x,_-=S,k-=w,N=N.next,s+=4;h+=A}for(i=0;i<A;i++){for(m=_=k=y=u=c=d=l=0,f=E*(b=P[s=i<<2]),g=E*(x=P[s+1]),v=E*(S=P[s+2]),p=E*(w=P[s+3]),l+=D*b,u+=D*x,c+=D*S,d+=D*w,I=O,r=0;r<E;r++)I.r=b,I.g=x,I.b=S,I.a=w,I=I.next;for(o=A,r=1;r<=e;r++)s=o+i<<2,l+=(I.r=b=P[s])*(C=E-r),u+=(I.g=x=P[s+1])*C,c+=(I.b=S=P[s+2])*C,d+=(I.a=w=P[s+3])*C,y+=b,m+=x,_+=S,k+=w,I=I.next,r<R&&(o+=A);for(s=i,F=O,N=L,n=0;n<T;n++)P[3+(a=s<<2)]=w=d*B>>H,w>0?(w=255/w,P[a]=(l*B>>H)*w,P[a+1]=(u*B>>H)*w,P[a+2]=(c*B>>H)*w):P[a]=P[a+1]=P[a+2]=0,l-=f,u-=g,c-=v,d-=p,f-=F.r,g-=F.g,v-=F.b,p-=F.a,a=i+((a=n+E)<R?a:R)*A<<2,l+=y+=F.r=P[a],u+=m+=F.g=P[a+1],c+=_+=F.b=P[a+2],d+=k+=F.a=P[a+3],F=F.next,f+=b=N.r,g+=x=N.g,v+=S=N.b,p+=w=N.a,y-=b,m-=x,_-=S,k-=w,N=N.next,s+=A}}(t,e)},Brighten:function(t){var e,i=255*this.brightness(),n=t.data,r=n.length;for(e=0;e<r;e+=4)n[e]+=i,n[e+1]+=i,n[e+2]+=i},Contrast:function(t){var e,i=Math.pow((this.contrast()+100)/100,2),n=t.data,r=n.length,a=150,o=150,s=150;for(e=0;e<r;e+=4)a=n[e],o=n[e+1],s=n[e+2],a/=255,a-=.5,a*=i,a+=.5,o/=255,o-=.5,o*=i,o+=.5,s/=255,s-=.5,s*=i,s+=.5,a=(a*=255)<0?0:a>255?255:a,o=(o*=255)<0?0:o>255?255:o,s=(s*=255)<0?0:s>255?255:s,n[e]=a,n[e+1]=o,n[e+2]=s},Emboss:function(t){var e=10*this.embossStrength(),i=255*this.embossWhiteLevel(),n=this.embossDirection(),r=this.embossBlend(),a=0,o=0,s=t.data,h=t.width,l=t.height,u=4*h,c=l;switch(n){case"top-left":a=-1,o=-1;break;case"top":a=-1,o=0;break;case"top-right":a=-1,o=1;break;case"right":a=0,o=1;break;case"bottom-right":a=1,o=1;break;case"bottom":a=1,o=0;break;case"bottom-left":a=1,o=-1;break;case"left":a=0,o=-1;break;default:G.error("Unknown emboss direction: "+n)}do{var d=(c-1)*u,f=a;c+f<1&&(f=0),c+f>l&&(f=0);var g=(c-1+f)*h*4,v=h;do{var p=d+4*(v-1),y=o;v+y<1&&(y=0),v+y>h&&(y=0);var m=g+4*(v-1+y),_=s[p]-s[m],k=s[p+1]-s[m+1],b=s[p+2]-s[m+2],x=_,S=x>0?x:-x;if((k>0?k:-k)>S&&(x=k),(b>0?b:-b)>S&&(x=b),x*=e,r){var w=s[p]+x,C=s[p+1]+x,P=s[p+2]+x;s[p]=w>255?255:w<0?0:w,s[p+1]=C>255?255:C<0?0:C,s[p+2]=P>255?255:P<0?0:P}else{var A=i-x;A<0?A=0:A>255&&(A=255),s[p]=s[p+1]=s[p+2]=A}}while(--v)}while(--c)},Enhance:function(t){var e,i,n,r,a=t.data,o=a.length,s=a[0],h=s,l=a[1],u=l,c=a[2],d=c,f=this.enhance();if(0!==f){for(r=0;r<o;r+=4)(e=a[r+0])<s?s=e:e>h&&(h=e),(i=a[r+1])<l?l=i:i>u&&(u=i),(n=a[r+2])<c?c=n:n>d&&(d=n);var g,v,p,y,m,_,k,b,x;for(h===s&&(h=255,s=0),u===l&&(u=255,l=0),d===c&&(d=255,c=0),f>0?(v=h+f*(255-h),p=s-f*(s-0),m=u+f*(255-u),_=l-f*(l-0),b=d+f*(255-d),x=c-f*(c-0)):(v=h+f*(h-(g=.5*(h+s))),p=s+f*(s-g),m=u+f*(u-(y=.5*(u+l))),_=l+f*(l-y),b=d+f*(d-(k=.5*(d+c))),x=c+f*(c-k)),r=0;r<o;r+=4)a[r+0]=Ci(a[r+0],s,h,p,v),a[r+1]=Ci(a[r+1],l,u,_,m),a[r+2]=Ci(a[r+2],c,d,x,b)}},Grayscale:function(t){var e,i,n=t.data,r=n.length;for(e=0;e<r;e+=4)i=.34*n[e]+.5*n[e+1]+.16*n[e+2],n[e]=i,n[e+1]=i,n[e+2]=i},HSL:function(t){var e,i,n,r,a,o=t.data,s=o.length,h=Math.pow(2,this.saturation()),l=Math.abs(this.hue()+360)%360,u=127*this.luminance(),c=1*h*Math.cos(l*Math.PI/180),d=1*h*Math.sin(l*Math.PI/180),f=.299+.701*c+.167*d,g=.587-.587*c+.33*d,v=.114-.114*c-.497*d,p=.299-.299*c-.328*d,y=.587+.413*c+.035*d,m=.114-.114*c+.293*d,_=.299-.3*c+1.25*d,k=.587-.586*c-1.05*d,b=.114+.886*c-.2*d;for(e=0;e<s;e+=4)i=o[e+0],n=o[e+1],r=o[e+2],a=o[e+3],o[e+0]=f*i+g*n+v*r+u,o[e+1]=p*i+y*n+m*r+u,o[e+2]=_*i+k*n+b*r+u,o[e+3]=a},HSV:function(t){var e,i,n,r,a,o=t.data,s=o.length,h=Math.pow(2,this.value()),l=Math.pow(2,this.saturation()),u=Math.abs(this.hue()+360)%360,c=h*l*Math.cos(u*Math.PI/180),d=h*l*Math.sin(u*Math.PI/180),f=.299*h+.701*c+.167*d,g=.587*h-.587*c+.33*d,v=.114*h-.114*c-.497*d,p=.299*h-.299*c-.328*d,y=.587*h+.413*c+.035*d,m=.114*h-.114*c+.293*d,_=.299*h-.3*c+1.25*d,k=.587*h-.586*c-1.05*d,b=.114*h+.886*c-.2*d;for(e=0;e<s;e+=4)i=o[e+0],n=o[e+1],r=o[e+2],a=o[e+3],o[e+0]=f*i+g*n+v*r,o[e+1]=p*i+y*n+m*r,o[e+2]=_*i+k*n+b*r,o[e+3]=a},Invert:function(t){var e,i=t.data,n=i.length;for(e=0;e<n;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[e+2]},Kaleidoscope:function(t){var e,i,n,r,a,o,s,h,l,u=t.width,c=t.height,d=Math.round(this.kaleidoscopePower()),f=Math.round(this.kaleidoscopeAngle()),g=Math.floor(u*(f%360)/360);if(!(d<1)){var v=G.createCanvasElement();v.width=u,v.height=c;var p=v.getContext("2d").getImageData(0,0,u,c);G.releaseCanvas(v),function(t,e,i){var n,r,a,o,s=t.data,h=e.data,l=t.width,u=t.height,c=i.polarCenterX||l/2,d=i.polarCenterY||u/2,f=0,g=0,v=0,p=0,y=Math.sqrt(c*c+d*d);r=l-c,a=u-d,y=(o=Math.sqrt(r*r+a*a))>y?o:y;var m,_,k,b,x=u,S=l,w=360/S*Math.PI/180;for(_=0;_<S;_+=1)for(k=Math.sin(_*w),b=Math.cos(_*w),m=0;m<x;m+=1)r=Math.floor(c+y*m/x*b),f=s[0+(n=4*((a=Math.floor(d+y*m/x*k))*l+r))],g=s[n+1],v=s[n+2],p=s[n+3],h[0+(n=4*(_+m*l))]=f,h[n+1]=g,h[n+2]=v,h[n+3]=p}(t,p,{polarCenterX:u/2,polarCenterY:c/2});for(var y=u/Math.pow(2,d);y<=8;)y*=2,d-=1;var m=y=Math.ceil(y),_=0,k=m,b=1;for(g+y>u&&(_=m,k=0,b=-1),i=0;i<c;i+=1)for(e=_;e!==k;e+=b)h=4*(u*i+Math.round(e+g)%u),r=p.data[h+0],a=p.data[h+1],o=p.data[h+2],s=p.data[h+3],l=4*(u*i+e),p.data[l+0]=r,p.data[l+1]=a,p.data[l+2]=o,p.data[l+3]=s;for(i=0;i<c;i+=1)for(m=Math.floor(y),n=0;n<d;n+=1){for(e=0;e<m+1;e+=1)h=4*(u*i+e),r=p.data[h+0],a=p.data[h+1],o=p.data[h+2],s=p.data[h+3],l=4*(u*i+2*m-e-1),p.data[l+0]=r,p.data[l+1]=a,p.data[l+2]=o,p.data[l+3]=s;m*=2}!function(t,e,i){var n,r,a,o,s,h,l=t.data,u=e.data,c=t.width,d=t.height,f=i.polarCenterX||c/2,g=i.polarCenterY||d/2,v=0,p=0,y=0,m=0,_=Math.sqrt(f*f+g*g);r=c-f,a=d-g,_=(h=Math.sqrt(r*r+a*a))>_?h:_;var k,b,x,S=d,w=c,C=i.polarRotation||0;for(r=0;r<c;r+=1)for(a=0;a<d;a+=1)o=r-f,s=a-g,k=Math.sqrt(o*o+s*s)*S/_,b=(b=(180*Math.atan2(s,o)/Math.PI+360+C)%360)*w/360,x=Math.floor(b),v=l[0+(n=4*(Math.floor(k)*c+x))],p=l[n+1],y=l[n+2],m=l[n+3],u[0+(n=4*(a*c+r))]=v,u[n+1]=p,u[n+2]=y,u[n+3]=m}(p,t,{polarRotation:0})}},Mask:function(t){var e=function(t,e){var i=Pi(t,0,0),n=Pi(t,t.width-1,0),r=Pi(t,0,t.height-1),a=Pi(t,t.width-1,t.height-1),o=e||10;if(Ai(i,n)<o&&Ai(n,a)<o&&Ai(a,r)<o&&Ai(r,i)<o){for(var s=function(t){for(var e=[0,0,0],i=0;i<t.length;i++)e[0]+=t[i][0],e[1]+=t[i][1],e[2]+=t[i][2];return e[0]/=t.length,e[1]/=t.length,e[2]/=t.length,e}([n,i,a,r]),h=[],l=0;l<t.width*t.height;l++){var u=Ai(s,[t.data[4*l],t.data[4*l+1],t.data[4*l+2]]);h[l]=u<o?0:255}return h}}(t,this.threshold());return e&&function(t,e){for(var i=0;i<t.width*t.height;i++)t.data[4*i+3]=e[i]}(t,e=function(t,e,i){for(var n=[1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9,1/9],r=Math.round(Math.sqrt(n.length)),a=Math.floor(r/2),o=[],s=0;s<i;s++)for(var h=0;h<e;h++){for(var l=s*e+h,u=0,c=0;c<r;c++)for(var d=0;d<r;d++){var f=s+c-a,g=h+d-a;if(f>=0&&f<i&&g>=0&&g<e){var v=n[c*r+d];u+=t[f*e+g]*v}}o[l]=u}return o}(e=function(t,e,i){for(var n=[1,1,1,1,1,1,1,1,1],r=Math.round(Math.sqrt(n.length)),a=Math.floor(r/2),o=[],s=0;s<i;s++)for(var h=0;h<e;h++){for(var l=s*e+h,u=0,c=0;c<r;c++)for(var d=0;d<r;d++){var f=s+c-a,g=h+d-a;if(f>=0&&f<i&&g>=0&&g<e){var v=n[c*r+d];u+=t[f*e+g]*v}}o[l]=u>=1020?255:0}return o}(e=function(t,e,i){for(var n=[1,1,1,1,0,1,1,1,1],r=Math.round(Math.sqrt(n.length)),a=Math.floor(r/2),o=[],s=0;s<i;s++)for(var h=0;h<e;h++){for(var l=s*e+h,u=0,c=0;c<r;c++)for(var d=0;d<r;d++){var f=s+c-a,g=h+d-a;if(f>=0&&f<i&&g>=0&&g<e){var v=n[c*r+d];u+=t[f*e+g]*v}}o[l]=2040===u?255:0}return o}(e,t.width,t.height),t.width,t.height),t.width,t.height)),t},Noise:function(t){var e,i=255*this.noise(),n=t.data,r=n.length,a=i/2;for(e=0;e<r;e+=4)n[e+0]+=a-2*a*Math.random(),n[e+1]+=a-2*a*Math.random(),n[e+2]+=a-2*a*Math.random()},Pixelate:function(t){var e,i,n,r,a,o,s,h,l,u,c,d,f,g,v=Math.ceil(this.pixelSize()),p=t.width,y=t.height,m=Math.ceil(p/v),_=Math.ceil(y/v),k=t.data;if(v<=0)G.error("pixelSize value can not be <= 0");else for(d=0;d<m;d+=1)for(f=0;f<_;f+=1){for(r=0,a=0,o=0,s=0,l=(h=d*v)+v,c=(u=f*v)+v,g=0,e=h;e<l;e+=1)if(!(e>=p))for(i=u;i<c;i+=1)i>=y||(r+=k[0+(n=4*(p*i+e))],a+=k[n+1],o+=k[n+2],s+=k[n+3],g+=1);for(r/=g,a/=g,o/=g,s/=g,e=h;e<l;e+=1)if(!(e>=p))for(i=u;i<c;i+=1)i>=y||(k[0+(n=4*(p*i+e))]=r,k[n+1]=a,k[n+2]=o,k[n+3]=s)}},Posterize:function(t){var e,i=Math.round(254*this.levels())+1,n=t.data,r=n.length,a=255/i;for(e=0;e<r;e+=1)n[e]=Math.floor(n[e]/a)*a},RGB:function(t){var e,i,n=t.data,r=n.length,a=this.red(),o=this.green(),s=this.blue();for(e=0;e<r;e+=4)i=(.34*n[e]+.5*n[e+1]+.16*n[e+2])/255,n[e]=i*a,n[e+1]=i*o,n[e+2]=i*s,n[e+3]=n[e+3]},RGBA:function(t){var e,i,n=t.data,r=n.length,a=this.red(),o=this.green(),s=this.blue(),h=this.alpha();for(e=0;e<r;e+=4)i=1-h,n[e]=a*h+n[e]*i,n[e+1]=o*h+n[e+1]*i,n[e+2]=s*h+n[e+2]*i},Sepia:function(t){var e,i,n,r,a=t.data,o=a.length;for(e=0;e<o;e+=4)i=a[e+0],n=a[e+1],r=a[e+2],a[e+0]=Math.min(255,.393*i+.769*n+.189*r),a[e+1]=Math.min(255,.349*i+.686*n+.168*r),a[e+2]=Math.min(255,.272*i+.534*n+.131*r)},Solarize:function(t){var e=t.data,i=t.width,n=4*i,r=t.height;do{var a=(r-1)*n,o=i;do{var s=a+4*(o-1),h=e[s],l=e[s+1],u=e[s+2];h>127&&(h=255-h),l>127&&(l=255-l),u>127&&(u=255-u),e[s]=h,e[s+1]=l,e[s+2]=u}while(--o)}while(--r)},Threshold:function(t){var e,i=255*this.threshold(),n=t.data,r=n.length;for(e=0;e<r;e+=1)n[e]=n[e]<i?0:255}}})},"object"===S(e)?t.exports=a():void 0===(r="function"==typeof(n=a)?n.call(e,i,e,t):n)||(t.exports=r)}},e={};function i(n){var r=e[n];if(void 0!==r)return r.exports;var a=e[n]={exports:{}};return t[n].call(a.exports,a,a.exports,i),a.exports}return i.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(t){if("object"==typeof window)return window}}(),i(215)})()));