konva/dist/kinetic-core.min.js

/**
 * KineticJS JavaScript Library core
 * http://www.kineticjs.com/
 * Copyright 2012, Eric Rowell
 * Licensed under the MIT or GPL Version 2 licenses.
 * Date: Aug 04 2012
 *
 * Copyright (C) 2011 - 2012 by Eric Rowell
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
var Kinetic={};Kinetic.Filters={},Kinetic.Plugins={},Kinetic.Global={BUBBLE_WHITELIST:["mousedown","mousemove","mouseup","mouseover","mouseout","click","dblclick","touchstart","touchmove","touchend","tap","dbltap","dragstart","dragmove","dragend"],stages:[],idCounter:0,tempNodes:{},maxDragTimeInterval:20,drag:{moving:!1,offset:{x:0,y:0},lastDrawTime:0},warn:function(a){console&&console.warn&&console.warn("Kinetic warning: "+a)},_pullNodes:function(a){var b=this.tempNodes;for(var c in b){var d=b[c];d.getStage()!==undefined&&d.getStage()._id===a._id&&(a._addId(d),a._addName(d),this._removeTempNode(d))}},_addTempNode:function(a){this.tempNodes[a._id]=a},_removeTempNode:function(a){delete this.tempNodes[a._id]}},Kinetic.Transition=function(a,b){function d(a,b,e,f){for(var g in a)g!=="duration"&&g!=="easing"&&g!=="callback"&&(Kinetic.Type._isObject(a[g])?(e[g]={},d(a[g],b[g],e[g],f)):c._add(c._getTween(b,g,a[g],e,f)))}this.node=a,this.config=b,this.tweens=[];var c=this,e={};d(b,a.attrs,e,e);var f=0;for(var g=0;g<this.tweens.length;g++){var h=this.tweens[g];h.onFinished=function(){f++,f>=c.tweens.length&&c.onFinished()}}},Kinetic.Transition.prototype={start:function(){for(var a=0;a<this.tweens.length;a++)this.tweens[a].start()},stop:function(){for(var a=0;a<this.tweens.length;a++)this.tweens[a].stop()},resume:function(){for(var a=0;a<this.tweens.length;a++)this.tweens[a].resume()},_onEnterFrame:function(){for(var a=0;a<this.tweens.length;a++)this.tweens[a].onEnterFrame()},_add:function(a){this.tweens.push(a)},_getTween:function(a,b,c,d,e){var f=this.config,g=this.node,h=f.easing;h===undefined&&(h="linear");var i=new Kinetic.Tween(g,function(a){d[b]=a,g.setAttrs(e)},Kinetic.Tweens[h],a[b],c,f.duration);return i}},Kinetic.Filters.Grayscale=function(){var a=this.imageData.data;for(var b=0;b<a.length;b+=4){var c=.34*a[b]+.5*a[b+1]+.16*a[b+2];a[b]=c,a[b+1]=c,a[b+2]=c}},Kinetic.Type={_isElement:function(a){return!!a&&a.nodeType==1},_isFunction:function(a){return!!(a&&a.constructor&&a.call&&a.apply)},_isObject:function(a){return!!a&&a.constructor==Object},_isArray:function(a){return Object.prototype.toString.call(a)=="[object Array]"},_isNumber:function(a){return Object.prototype.toString.call(a)=="[object Number]"},_isString:function(a){return Object.prototype.toString.call(a)=="[object String]"},_hasMethods:function(a){var b=[];for(var c in a)this._isFunction(a[c])&&b.push(c);return b.length>0},_getXY:function(a){if(this._isNumber(a))return{x:a,y:a};if(this._isArray(a)){if(a.length===1){var b=a[0];if(this._isNumber(b))return{x:b,y:b};if(this._isArray(b))return{x:b[0],y:b[1]};if(this._isObject(b))return b}else if(a.length>=2)return{x:a[0],y:a[1]}}else if(this._isObject(a))return a;return{x:0,y:0}},_getSize:function(a){if(this._isNumber(a))return{width:a,height:a};if(this._isArray(a))if(a.length===1){var b=a[0];if(this._isNumber(b))return{width:b,height:b};if(this._isArray(b)){if(b.length>=4)return{width:b[2],height:b[3]};if(b.length>=2)return{width:b[0],height:b[1]}}else if(this._isObject(b))return b}else{if(a.length>=4)return{width:a[2],height:a[3]};if(a.length>=2)return{width:a[0],height:a[1]}}else if(this._isObject(a))return a;return{width:0,height:0}},_getPoints:function(a){if(a===undefined)return[];if(this._isObject(a[0]))return a;var b=[];for(var c=0;c<a.length;c+=2)b.push({x:a[c],y:a[c+1]});return b},_getImage:function(a,b){if(!a)b(null);else if(this._isElement(a))b(a);else if(this._isString(a)){var c=new Image;c.onload=function(){b(c)},c.src=a}else if(a.data){var d=document.createElement("canvas");d.width=a.width,d.height=a.height;var e=d.getContext("2d");e.putImageData(a,0,0);var f=d.toDataURL(),c=new Image;c.onload=function(){b(c)},c.src=f}else b(null)}},Kinetic.Canvas=function(a,b){this.element=document.createElement("canvas"),this.context=this.element.getContext("2d"),this.element.width=a,this.element.height=b},Kinetic.Canvas.prototype={clear:function(){var a=this.getContext(),b=this.getElement();a.clearRect(0,0,b.width,b.height)},getElement:function(){return this.element},getContext:function(){return this.context},setWidth:function(a){this.element.width=a},setHeight:function(a){this.element.height=a},getWidth:function(){return this.element.width},getHeight:function(){return this.element.height},setSize:function(a,b){this.setWidth(a),this.setHeight(b)},strip:function(){var a=this.context;a.stroke=function(){},a.fill=function(){},a.fillRect=function(b,c,d,e){a.rect(b,c,d,e)},a.strokeRect=function(b,c,d,e){a.rect(b,c,d,e)},a.drawImage=function(){},a.fillText=function(){},a.strokeText=function(){}},toDataURL:function(a,b){try{return this.element.toDataURL(a,b)}catch(c){return this.element.toDataURL()}}},function(){var a=!1;Kinetic.Class=function(){},Kinetic.Class.extend=function(b){function f(){!a&&this.init&&this.init.apply(this,arguments)}var c=this.prototype;a=!0;var d=new this;a=!1;for(var e in b)d[e]=typeof b[e]=="function"&&typeof c[e]=="function"?function(a,b){return function(){var d=this._super;this._super=c[a];var e=b.apply(this,arguments);return this._super=d,e}}(e,b[e]):b[e];return f.prototype=d,f.prototype.constructor=f,f.extend=arguments.callee,f}}(),Kinetic.Tween=function(a,b,c,d,e,f){this._listeners=[],this.addListener(this),this.obj=a,this.propFunc=b,this.begin=d,this._pos=d,this.setDuration(f),this.isPlaying=!1,this._change=0,this.prevTime=0,this.prevPos=0,this.looping=!1,this._time=0,this._position=0,this._startTime=0,this._finish=0,this.name="",this.func=c,this.setFinish(e)},Kinetic.Tween.prototype={setTime:function(a){this.prevTime=this._time,a>this.getDuration()?this.looping?(this.rewind(a-this._duration),this.update(),this.broadcastMessage("onLooped",{target:this,type:"onLooped"})):(this._time=this._duration,this.update(),this.stop(),this.broadcastMessage("onFinished",{target:this,type:"onFinished"})):a<0?(this.rewind(),this.update()):(this._time=a,this.update())},getTime:function(){return this._time},setDuration:function(a){this._duration=a===null||a<=0?1e5:a},getDuration:function(){return this._duration},setPosition:function(a){this.prevPos=this._pos,this.propFunc(a),this._pos=a,this.broadcastMessage("onChanged",{target:this,type:"onChanged"})},getPosition:function(a){return a===undefined&&(a=this._time),this.func(a,this.begin,this._change,this._duration)},setFinish:function(a){this._change=a-this.begin},getFinish:function(){return this.begin+this._change},start:function(){this.rewind(),this.startEnterFrame(),this.broadcastMessage("onStarted",{target:this,type:"onStarted"})},rewind:function(a){this.stop(),this._time=a===undefined?0:a,this.fixTime(),this.update()},fforward:function(){this._time=this._duration,this.fixTime(),this.update()},update:function(){this.setPosition(this.getPosition(this._time))},startEnterFrame:function(){this.stopEnterFrame(),this.isPlaying=!0,this.onEnterFrame()},onEnterFrame:function(){this.isPlaying&&this.nextFrame()},nextFrame:function(){this.setTime((this.getTimer()-this._startTime)/1e3)},stop:function(){this.stopEnterFrame(),this.broadcastMessage("onStopped",{target:this,type:"onStopped"})},stopEnterFrame:function(){this.isPlaying=!1},continueTo:function(a,b){this.begin=this._pos,this.setFinish(a),this._duration!==undefined&&this.setDuration(b),this.start()},resume:function(){this.fixTime(),this.startEnterFrame(),this.broadcastMessage("onResumed",{target:this,type:"onResumed"})},yoyo:function(){this.continueTo(this.begin,this._time)},addListener:function(a){return this.removeListener(a),this._listeners.push(a)},removeListener:function(a){var b=this._listeners,c=b.length;while(c--)if(b[c]==a)return b.splice(c,1),!0;return!1},broadcastMessage:function(){var a=[];for(var b=0;b<arguments.length;b++)a.push(arguments[b]);var c=a.shift(),d=this._listeners,e=d.length;for(var b=0;b<e;b++)d[b][c]&&d[b][c].apply(d[b],a)},fixTime:function(){this._startTime=this.getTimer()-this._time*1e3},getTimer:function(){return(new Date).getTime()-this._time}},Kinetic.Tweens={"back-ease-in":function(a,b,c,d,e,f){var g=1.70158;return c*(a/=d)*a*((g+1)*a-g)+b},"back-ease-out":function(a,b,c,d,e,f){var g=1.70158;return c*((a=a/d-1)*a*((g+1)*a+g)+1)+b},"back-ease-in-out":function(a,b,c,d,e,f){var g=1.70158;return(a/=d/2)<1?c/2*a*a*(((g*=1.525)+1)*a-g)+b:c/2*((a-=2)*a*(((g*=1.525)+1)*a+g)+2)+b},"elastic-ease-in":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d)==1?b+c:(f||(f=d*.3),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),-(e*Math.pow(2,10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f))+b)},"elastic-ease-out":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d)==1?b+c:(f||(f=d*.3),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),e*Math.pow(2,-10*a)*Math.sin((a*d-g)*2*Math.PI/f)+c+b)},"elastic-ease-in-out":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d/2)==2?b+c:(f||(f=d*.3*1.5),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),a<1?-0.5*e*Math.pow(2,10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f)+b:e*Math.pow(2,-10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f)*.5+c+b)},"bounce-ease-out":function(a,b,c,d){return(a/=d)<1/2.75?c*7.5625*a*a+b:a<2/2.75?c*(7.5625*(a-=1.5/2.75)*a+.75)+b:a<2.5/2.75?c*(7.5625*(a-=2.25/2.75)*a+.9375)+b:c*(7.5625*(a-=2.625/2.75)*a+.984375)+b},"bounce-ease-in":function(a,b,c,d){return c-Kinetic.Tweens["bounce-ease-out"](d-a,0,c,d)+b},"bounce-ease-in-out":function(a,b,c,d){return a<d/2?Kinetic.Tweens["bounce-ease-in"](a*2,0,c,d)*.5+b:Kinetic.Tweens["bounce-ease-out"](a*2-d,0,c,d)*.5+c*.5+b},"ease-in":function(a,b,c,d){return c*(a/=d)*a+b},"ease-out":function(a,b,c,d){return-c*(a/=d)*(a-2)+b},"ease-in-out":function(a,b,c,d){return(a/=d/2)<1?c/2*a*a+b:-c/2*(--a*(a-2)-1)+b},"strong-ease-in":function(a,b,c,d){return c*(a/=d)*a*a*a*a+b},"strong-ease-out":function(a,b,c,d){return c*((a=a/d-1)*a*a*a*a+1)+b},"strong-ease-in-out":function(a,b,c,d){return(a/=d/2)<1?c/2*a*a*a*a*a+b:c/2*((a-=2)*a*a*a*a+2)+b},linear:function(a,b,c,d){return c*a/d+b}},Kinetic.Transform=function(){this.m=[1,0,0,1,0,0]},Kinetic.Transform.prototype={translate:function(a,b){this.m[4]+=this.m[0]*a+this.m[2]*b,this.m[5]+=this.m[1]*a+this.m[3]*b},scale:function(a,b){this.m[0]*=a,this.m[1]*=a,this.m[2]*=b,this.m[3]*=b},rotate:function(a){var b=Math.cos(a),c=Math.sin(a),d=this.m[0]*b+this.m[2]*c,e=this.m[1]*b+this.m[3]*c,f=this.m[0]*-c+this.m[2]*b,g=this.m[1]*-c+this.m[3]*b;this.m[0]=d,this.m[1]=e,this.m[2]=f,this.m[3]=g},getTranslation:function(){return{x:this.m[4],y:this.m[5]}},multiply:function(a){var b=this.m[0]*a.m[0]+this.m[2]*a.m[1],c=this.m[1]*a.m[0]+this.m[3]*a.m[1],d=this.m[0]*a.m[2]+this.m[2]*a.m[3],e=this.m[1]*a.m[2]+this.m[3]*a.m[3],f=this.m[0]*a.m[4]+this.m[2]*a.m[5]+this.m[4],g=this.m[1]*a.m[4]+this.m[3]*a.m[5]+this.m[5];this.m[0]=b,this.m[1]=c,this.m[2]=d,this.m[3]=e,this.m[4]=f,this.m[5]=g},invert:function(){var a=1/(this.m[0]*this.m[3]-this.m[1]*this.m[2]),b=this.m[3]*a,c=-this.m[1]*a,d=-this.m[2]*a,e=this.m[0]*a,f=a*(this.m[2]*this.m[5]-this.m[3]*this.m[4]),g=a*(this.m[1]*this.m[4]-this.m[0]*this.m[5]);this.m[0]=b,this.m[1]=c,this.m[2]=d,this.m[3]=e,this.m[4]=f,this.m[5]=g},getMatrix:function(){return this.m}},Kinetic.Animation=function(a){a||(a={});for(var b in a)this[b]=a[b];this.frame={time:0,timeDiff:0,lastTime:(new Date).getTime()},this.id=Kinetic.Animation.animIdCounter++},Kinetic.Animation.prototype={start:function(){this.stop(),this.frame.lastTime=(new Date).getTime(),Kinetic.Animation._addAnimation(this),Kinetic.Animation._handleAnimation()},stop:function(){Kinetic.Animation._removeAnimation(this)}},Kinetic.Animation.animations=[],Kinetic.Animation.animIdCounter=0,Kinetic.Animation.animRunning=!1,Kinetic.Animation._addAnimation=function(a){this.animations.push(a)},Kinetic.Animation._removeAnimation=function(a){var b=a.id,c=this.animations;for(var d=0;d<c.length;d++)if(c[d].id===b)return this.animations.splice(d,1),!1},Kinetic.Animation._updateFrameObject=function(a){var b=(new Date).getTime();a.frame.timeDiff=b-a.frame.lastTime,a.frame.lastTime=b,a.frame.time+=a.frame.timeDiff},Kinetic.Animation._runFrames=function(){var a={};for(var b=0;b<this.animations.length;b++){var c=this.animations[b];this._updateFrameObject(c),c.node&&c.node._id!==undefined&&(a[c.node._id]=c.node),c.func&&c.func(c.frame)}for(var d in a)a[d].draw()},Kinetic.Animation._animationLoop=function(){if(this.animations.length>0){this._runFrames();var a=this;requestAnimFrame(function(){a._animationLoop()})}else this.animRunning=!1},Kinetic.Animation._handleAnimation=function(){var a=this;this.animRunning||(this.animRunning=!0,a._animationLoop())},requestAnimFrame=function(a){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(a){window.setTimeout(a,1e3/60)}}(),Kinetic.Node=Kinetic.Class.extend({init:function(a){this.defaultNodeAttrs={visible:!0,listening:!0,name:undefined,alpha:1,x:0,y:0,scale:{x:1,y:1},rotation:0,offset:{x:0,y:0},dragConstraint:"none",dragBounds:{},draggable:!1,dragThrottle:80},this.setDefaultAttrs(this.defaultNodeAttrs),this.eventListeners={},this.lastDragTime=0,this.transAnim=new Kinetic.Animation,this.setAttrs(a),this.on("draggableChange.kinetic",function(){this._onDraggableChange()});var b=this;this.on("idChange.kinetic",function(a){var c=b.getStage();c&&(c._removeId(a.oldVal),c._addId(b))}),this.on("nameChange.kinetic",function(a){var c=b.getStage();c&&(c._removeName(a.oldVal,b._id),c._addName(b))}),this._onDraggableChange()},on:function(a,b){var c=a.split(" ");for(var d=0;d<c.length;d++){var e=c[d],f=e,g=f.split("."),h=g[0],i=g.length>1?g[1]:"";this.eventListeners[h]||(this.eventListeners[h]=[]),this.eventListeners[h].push({name:i,handler:b})}},off:function(a){var b=a.split(" ");for(var c=0;c<b.length;c++){var d=b[c],e=d,f=e.split("."),g=f[0];if(this.eventListeners[g]&&f.length>1){var h=f[1];for(var i=0;i<this.eventListeners[g].length;i++)if(this.eventListeners[g][i].name===h){this.eventListeners[g].splice(i,1);if(this.eventListeners[g].length===0){delete this.eventListeners[g];break}i--}}else delete this.eventListeners[g]}},getAttrs:function(){return this.attrs},setDefaultAttrs:function(a){this.attrs===undefined&&(this.attrs={});if(a)for(var b in a)this.attrs[b]===undefined&&(this.attrs[b]=a[b])},setAttrs:function(a){var b=Kinetic.Type,c=this;if(a!==undefined){function d(a,e,f){for(var g in e){var h=e[g],i=a[g];f===0&&c._fireBeforeChangeEvent(g,i,h),a[g]===undefined&&h!==undefined&&(a[g]={});if(b._isObject(h)&&!b._isArray(h)&&!b._isElement(h)&&!b._hasMethods(h))Kinetic.Type._isObject(a[g])||(a[g]={}),d(a[g],h,f+1);else switch(g){case"rotationDeg":c._setAttr(a,"rotation",e[g]*Math.PI/180),g="rotation";break;case"offset":var j=b._getXY(h);c._setAttr(a[g],"x",j.x),c._setAttr(a[g],"y",j.y);break;case"scale":var j=b._getXY(h);c._setAttr(a[g],"x",j.x),c._setAttr(a[g],"y",j.y);break;case"points":c._setAttr(a,g,b._getPoints(h));break;case"crop":var j=b._getXY(h),k=b._getSize(h);c._setAttr(a[g],"x",j.x),c._setAttr(a[g],"y",j.y),c._setAttr(a[g],"width",k.width),c._setAttr(a[g],"height",k.height);break;default:c._setAttr(a,g,h)}f===0&&c._fireChangeEvent(g,i,h)}}d(this.attrs,a,0)}},isVisible:function(){return this.attrs.visible&&this.getParent()&&!this.getParent().isVisible()?!1:this.attrs.visible},show:function(){this.setAttrs({visible:!0})},hide:function(){this.setAttrs({visible:!1})},getZIndex:function(){return this.index},getAbsoluteZIndex:function(){function e(b){var f=[];for(var g=0;g<b.length;g++){var h=b[g];d++,h.nodeType!=="Shape"&&(f=f.concat(h.getChildren())),h._id===c._id&&(g=b.length)}f.length>0&&f[0].getLevel()<=a&&e(f)}var a=this.getLevel(),b=this.getStage(),c=this,d=0;return c.nodeType!=="Stage"&&e(c.getStage().getChildren()),d},getLevel:function(){var a=0,b=this.parent;while(b)a++,b=b.parent;return a},setPosition:function(){var a=Kinetic.Type._getXY(Array.prototype.slice.call(arguments));this.setAttrs(a)},getPosition:function(){return{x:this.attrs.x,y:this.attrs.y}},getAbsolutePosition:function(){var a=this.getAbsoluteTransform(),b=this.getOffset();return a.translate(b.x,b.y),a.getTranslation()},setAbsolutePosition:function(){var a=Kinetic.Type._getXY(Array.prototype.slice.call(arguments)),b=this._clearTransform();this.attrs.x=b.x,this.attrs.y=b.y,delete b.x,delete b.y;var c=this.getAbsoluteTransform();c.invert(),c.translate(a.x,a.y),a={x:this.attrs.x+c.getTranslation().x,y:this.attrs.y+c.getTranslation().y},this.setPosition(a.x,a.y),this._setTransform(b)},move:function(){var a=Kinetic.Type._getXY(Array.prototype.slice.call(arguments)),b=this.getX(),c=this.getY();a.x!==undefined&&(b+=a.x),a.y!==undefined&&(c+=a.y),this.setAttrs({x:b,y:c})},getRotationDeg:function(){return this.attrs.rotation*180/Math.PI},rotate:function(a){this.setAttrs({rotation:this.getRotation()+a})},rotateDeg:function(a){this.setAttrs({rotation:this.getRotation()+a*Math.PI/180})},moveToTop:function(){var a=this.index;this.parent.children.splice(a,1),this.parent.children.push(this),this.parent._setChildrenIndices()},moveUp:function(){var a=this.index;this.parent.children.splice(a,1),this.parent.children.splice(a+1,0,this),this.parent._setChildrenIndices()},moveDown:function(){var a=this.index;a>0&&(this.parent.children.splice(a,1),this.parent.children.splice(a-1,0,this),this.parent._setChildrenIndices())},moveToBottom:function(){var a=this.index;this.parent.children.splice(a,1),this.parent.children.unshift(this),this.parent._setChildrenIndices()},setZIndex:function(a){var b=this.index;this.parent.children.splice(b,1),this.parent.children.splice(a,0,this),this.parent._setChildrenIndices()},getAbsoluteAlpha:function(){var a=1,b=this;while(b.nodeType!=="Stage")a*=b.attrs.alpha,b=b.parent;return a},isDragging:function(){var a=Kinetic.Global;return a.drag.node!==undefined&&a.drag.node._id===this._id&&a.drag.moving},moveTo:function(a){var b=this.parent;b.children.splice(this.index,1),b._setChildrenIndices(),a.children.push(this),this.index=a.children.length-1,this.parent=a,a._setChildrenIndices()},getParent:function(){return this.parent},getLayer:function(){return this.nodeType==="Layer"?this:this.getParent().getLayer()},getStage:function(){return this.nodeType!=="Stage"&&this.getParent()?this.getParent().getStage():this.nodeType==="Stage"?this:undefined},simulate:function(a){this._handleEvent(a,{})},transitionTo:function(a){var b=Kinetic.Animation;b._removeAnimation(this.transAnim);var c=this.nodeType==="Stage"?this:this.getLayer(),d=this,e=new Kinetic.Transition(this,a);return this.transAnim.func=function(){e._onEnterFrame()},this.transAnim.node=c,b._addAnimation(this.transAnim),e.onFinished=function(){b._removeAnimation(d.transAnim),d.transAnim.node.draw(),a.callback&&a.callback()},e.start(),b._handleAnimation(),e},getAbsoluteTransform:function(){var a=new Kinetic.Transform,b=[],c=this.parent;b.unshift(this);while(c)b.unshift(c),c=c.parent;for(var d=0;d<b.length;d++){var e=b[d],f=e.getTransform();a.multiply(f)}return a},getTransform:function(){var a=new Kinetic.Transform;return(this.attrs.x!==0||this.attrs.y!==0)&&a.translate(this.attrs.x,this.attrs.y),this.attrs.rotation!==0&&a.rotate(this.attrs.rotation),(this.attrs.scale.x!==1||this.attrs.scale.y!==1)&&a.scale(this.attrs.scale.x,this.attrs.scale.y),this.attrs.offset&&(this.attrs.offset.x!==0||this.attrs.offset.y!==0)&&a.translate(-1*this.attrs.offset.x,-1*this.attrs.offset.y),a},clone:function(a){var b=this.shapeType||this.nodeType,c=new Kinetic[b](this.attrs);for(var d in this.eventListeners){var e=this.eventListeners[d];for(var f=0;f<e.length;f++){var g=e[f];g.name.indexOf("kinetic")<0&&(c.eventListeners[d]||(c.eventListeners[d]=[]),c.eventListeners[d].push(g))}}return c.setAttrs(a),c},saveImageData:function(a,b){try{var c;if(a&&b)c=new Kinetic.Canvas(a,b);else{var d=this.getStage();c=d.bufferCanvas}var e=c.getContext();c.clear(),this._draw(c);var f=e.getImageData(0,0,c.getWidth(),c.getHeight());this.imageData=f}catch(g){Kinetic.Global.warn("Image data could not saved because canvas is dirty.")}},clearImageData:function(){delete this.imageData},getImageData:function(){return this.imageData},toDataURL:function(a){var b=a&&a.mimeType?a.mimeType:null,c=a&&a.quality?a.quality:null,d;a&&a.width&&a.height?d=new Kinetic.Canvas(a.width,a.height):d=this.getStage().bufferCanvas;var e=d.getContext();return d.clear(),this._draw(d),d.toDataURL(b,c)},toImage:function(a){Kinetic.Type._getImage(this.toDataURL(a),function(b){a.callback(b)})},_clearTransform:function(){var a={x:this.attrs.x,y:this.attrs.y,rotation:this.attrs.rotation,scale:{x:this.attrs.scale.x,y:this.attrs.scale.y},offset:{x:this.attrs.offset.x,y:this.attrs.offset.y}};return this.attrs.x=0,this.attrs.y=0,this.attrs.rotation=0,this.attrs.scale={x:1,y:1},this.attrs.offset={x:0,y:0},a},_setTransform:function(a){for(var b in a)this.attrs[b]=a[b]},_setImageData:function(a){a&&a.data&&(this.imageData=a)},_fireBeforeChangeEvent:function(a,b,c){this._handleEvent("before"+a.toUpperCase()+"Change",{oldVal:b,newVal:c})},_fireChangeEvent:function(a,b,c){this._handleEvent(a+"Change",{oldVal:b,newVal:c})},_setAttr:function(a,b,c){c!==undefined&&(a===undefined&&(a={}),a[b]=c)},_listenDrag:function(){this._dragCleanup();var a=Kinetic.Global,b=this;this.on("mousedown.kinetic touchstart.kinetic",function(a){b._initDrag()})},_initDrag:function(){var a=Kinetic.Global,b=this.getStage(),c=b.getUserPosition();if(c){var d=this.getTransform().getTranslation(),e=this.getAbsoluteTransform().getTranslation(),f=this.getAbsolutePosition();a.drag.node=this,a.drag.offset.x=c.x-f.x,a.drag.offset.y=c.y-f.y}},_onDraggableChange:function(){if(this.attrs.draggable)this._listenDrag();else{this._dragCleanup();var a=this.getStage(),b=Kinetic.Global;a&&b.drag.node&&b.drag.node._id===this._id&&a._endDrag()}},_dragCleanup:function(){this.off("mousedown.kinetic"),this.off("touchstart.kinetic")},_handleEvent:function(a,b){this.nodeType==="Shape"&&(b.shape=this);var c=this.getStage(),d=c?c.mouseoverShape:null,e=c?c.mouseoutShape:null,f=this.eventListeners,g=!0;a==="mouseover"&&e&&e._id===this._id?g=!1:a==="mouseout"&&d&&d._id===this._id&&(g=!1);if(g){if(f[a]){var h=f[a];for(var i=0;i<h.length;i++)h[i].handler.apply(this,[b])}c&&d&&e&&(c.mouseoverShape=d.parent,c.mouseoutShape=e.parent),Kinetic.Global.BUBBLE_WHITELIST.indexOf(a)>=0&&!b.cancelBubble&&this.parent&&this._handleEvent.call(this.parent,a,b)}}}),Kinetic.Node.addSetters=function(constructor,a){for(var b=0;b<a.length;b++){var c=a[b];this._addSetter(constructor,c)}},Kinetic.Node.addGetters=function(constructor,a){for(var b=0;b<a.length;b++){var c=a[b];this._addGetter(constructor,c)}},Kinetic.Node.addGettersSetters=function(constructor,a){this.addSetters(constructor,a),this.addGetters(constructor,a)},Kinetic.Node._addSetter=function(constructor,a){var b=this,c="set"+a.charAt(0).toUpperCase()+a.slice(1);constructor.prototype[c]=function(){arguments.length==1?arg=arguments[0]:arg=Array.prototype.slice.call(arguments);var b={};b[a]=arg,this.setAttrs(b)}},Kinetic.Node._addGetter=function(constructor,a){var b=this,c="get"+a.charAt(0).toUpperCase()+a.slice(1);constructor.prototype[c]=function(b){return this.attrs[a]}},Kinetic.Node.addGettersSetters(Kinetic.Node,["x","y","scale","detectionType","rotation","alpha","name","id","offset","draggable","dragConstraint","dragBounds","listening","dragThrottle"]),Kinetic.Node.addSetters(Kinetic.Node,["rotationDeg"]),Kinetic.Container=Kinetic.Node.extend({init:function(a){this.children=[],this._super(a)},getChildren:function(){return this.children},removeChildren:function(){while(this.children.length>0)this.remove(this.children[0])},add:function(a){a._id=Kinetic.Global.idCounter++,a.index=this.children.length,a.parent=this,this.children.push(a);var b=a.getStage();if(!b)Kinetic.Global._addTempNode(a);else{b._addId(a),b._addName(a);var c=Kinetic.Global;c._pullNodes(b)}return this._add!==undefined&&this._add(a),this},remove:function(a){if(a&&a.index!==undefined&&this.children[a.index]._id==a._id){var b=this.getStage();b&&(b._removeId(a.getId()),b._removeName(a.getName(),a._id)),Kinetic.Global._removeTempNode(a),this.children.splice(a.index,1),this._setChildrenIndices();while(a.children&&a.children.length>0)a.remove(a.children[0]);this._remove!==undefined&&this._remove(a)}return this},get:function(a){var b=this.getStage(),c,d=a.slice(1);if(a.charAt(0)==="#")c=b.ids[d]!==undefined?[b.ids[d]]:[];else{if(a.charAt(0)!==".")return a==="Shape"||a==="Group"||a==="Layer"?this._getNodes(a):!1;c=b.names[d]!==undefined?b.names[d]:[]}var e=[];for(var f=0;f<c.length;f++){var g=c[f];this.isAncestorOf(g)&&e.push(g)}return e},isAncestorOf:function(a){if(this.nodeType==="Stage")return!0;var b=a.getParent();while(b){if(b._id===this._id)return!0;b=b.getParent()}return!1},getIntersections:function(){var a=Kinetic.Type._getXY(Array.prototype.slice.call(arguments)),b=[],c=this.get("Shape");for(var d=0;d<c.length;d++){var e=c[d];e.isVisible()&&e.intersects(a)&&b.push(e)}return b},_getNodes:function(a){function c(d){var e=d.getChildren();for(var f=0;f<e.length;f++){var g=e[f];g.nodeType===a?b.push(g):g.nodeType!=="Shape"&&c(g)}}var b=[];return c(this),b},_drawChildren:function(a){var b=this.getStage(),c=this.children;for(var d=0;d<c.length;d++){var e=c[d];e.nodeType==="Shape"?e.isVisible()&&b.isVisible()&&e._draw(a):e.draw(a)}},_setChildrenIndices:function(){for(var a=0;a<this.children.length;a++)this.children[a].index=a}}),Kinetic.Stage=Kinetic.Container.extend({init:function(a){this.setDefaultAttrs({width:400,height:200}),typeof a.container=="string"&&(a.container=document.getElementById(a.container)),this._super(a),this._setStageDefaultProperties(),this._id=Kinetic.Global.idCounter++,this._buildDOM(),this._bindContentEvents(),this.on("widthChange.kinetic",function(){this._resizeDOM()}),this.on("heightChange.kinetic",function(){this._resizeDOM()});var b=Kinetic.Global;b.stages.push(this),this._addId(this),this._addName(this)},draw:function(a){this._draw(a)},setSize:function(){var a=Kinetic.Type._getSize(Array.prototype.slice.call(arguments));this.setAttrs(a)},getSize:function(){return{width:this.attrs.width,height:this.attrs.height}},clear:function(){var a=this.children;for(var b=0;b<a.length;b++)a[b].clear()},toJSON:function(){function b(c){var d={};d.attrs={};for(var e in c.attrs){var f=c.attrs[e];!a._isFunction(f)&&!a._isElement(f)&&!a._hasMethods(f)&&(d.attrs[e]=f)}d.nodeType=c.nodeType,d.shapeType=c.shapeType;if(c.nodeType!=="Shape"){d.children=[];var g=c.getChildren();for(var h=0;h<g.length;h++){var i=g[h];d.children.push(b(i))}}return d}var a=Kinetic.Type;return JSON.stringify(b(this))},reset:function(){this.removeChildren(),this._setStageDefaultProperties(),this.setAttrs(this.defaultNodeAttrs)},load:function(a){function b(a,c){var d=c.children;if(d!==undefined)for(var e=0;e<d.length;e++){var f=d[e],g;f.nodeType==="Shape"?f.shapeType===undefined?g="Shape":g=f.shapeType:g=f.nodeType;var h=new Kinetic[g](f.attrs);a.add(h),b(h,f)}}this.reset();var c=JSON.parse(a);this.attrs=c.attrs,b(this,c),this.draw()},getMousePosition:function(a){return this.mousePos},getTouchPosition:function(a){return this.touchPos},getUserPosition:function(a){return this.getTouchPosition()||this.getMousePosition()},getContainer:function(){return this.attrs.container},getStage:function(){return this},getDOM:function(){return this.content},toDataURL:function(a){function i(d){var e=h[d],j=e.getCanvas().toDataURL(b,c),k=new Image;k.onload=function(){g.drawImage(k,0,0),d<h.length-1?i(d+1):a.callback(f.toDataURL(b,c))},k.src=j}var b=a&&a.mimeType?a.mimeType:null,c=a&&a.quality?a.quality:null,d=a&&a.width?a.width:this.attrs.width,e=a&&a.height?a.height:this.attrs.height,f=new Kinetic.Canvas(d,e),g=f.getContext(),h=this.children;i(0)},toImage:function(a){this.toDataURL({callback:function(b){Kinetic.Type._getImage(b,function(b){a.callback(b)})}})},_resizeDOM:function(){var a=this.attrs.width,b=this.attrs.height;this.content.style.width=a+"px",this.content.style.height=b+"px",this.bufferCanvas.setSize(a,b),this.pathCanvas.setSize(a,b);var c=this.children;for(var d=0;d<c.length;d++){var e=c[d];e.getCanvas().setSize(a,b),e.draw()}},_remove:function(a){try{this.content.removeChild(a.canvas.element)}catch(b){}},_add:function(a){a.canvas.setSize(this.attrs.width,this.attrs.height),a.draw(),this.content.appendChild(a.canvas.element),a.lastDrawTime=0},_detectEvent:function(a,b){var c=Kinetic.Global.drag.moving,d=Kinetic.Global,e=this.getUserPosition(),f=a.eventListeners,g=this;this.targetShape&&a._id===this.targetShape._id&&(this.targetFound=!0);if(a.isVisible()&&e!==undefined&&a.intersects(e)){if(!c&&this.mouseDown)return this.mouseDown=!1,this.clickStart=!0,a._handleEvent("mousedown",b),!0;if(this.mouseUp)return this.mouseUp=!1,a._handleEvent("mouseup",b),this.clickStart&&(!d.drag.moving||!d.drag.node)&&(a._handleEvent("click",b),this.inDoubleClickWindow&&a._handleEvent("dblclick",b),this.inDoubleClickWindow=!0,setTimeout(function(){g.inDoubleClickWindow=!1},this.dblClickWindow)),!0;if(!c&&this.touchStart&&!this.touchMove)return this.touchStart=!1,this.tapStart=!0,a._handleEvent("touchstart",b),!0;if(this.touchEnd)return this.touchEnd=!1,a._handleEvent("touchend",b),this.tapStart&&(!d.drag.moving||!d.drag.node)&&(a._handleEvent("tap",b),this.inDoubleClickWindow&&a._handleEvent("dbltap",b),this.inDoubleClickWindow=!0,setTimeout(function(){g.inDoubleClickWindow=!1},this.dblClickWindow)),!0;if(!c&&this.touchMove)return a._handleEvent("touchmove",b),!0;if(!c&&this._isNewTarget(a,b))return this.mouseoutShape&&(this.mouseoverShape=a,this.mouseoutShape._handleEvent("mouseout",b),this.mouseoverShape=undefined),a._handleEvent("mouseover",b),this._setTarget(a),!0;if(!c&&this.mouseMove)return a._handleEvent("mousemove",b),!0}else if(!c&&this.targetShape&&this.targetShape._id===a._id)return this._setTarget(undefined),this.mouseoutShape=a,!0;return!1},_setTarget:function(a){this.targetShape=a,this.targetFound=!0},_isNewTarget:function(a,b){if(!this.targetShape||!this.targetFound&&a._id!==this.targetShape._id){if(this.targetShape){var c=this.targetShape.eventListeners;c&&(this.mouseoutShape=this.targetShape)}return!0}return!1},_traverseChildren:function(a,b){var c=a.children;for(var d=c.length-1;d>=0;d--){var e=c[d];if(e.getListening())if(e.nodeType==="Shape"){var f=this._detectEvent(e,b);if(f)return!0}else{var f=this._traverseChildren(e,b);if(f)return!0}}return!1},_handleStageEvent:function(a){var b=Kinetic.Global;a||(a=window.event),this._setMousePosition(a),this._setTouchPosition(a),this.pathCanvas.clear(),this.targetFound=!1;var c=!1;for(var d=this.children.length-1;d>=0;d--){var e=this.children[d];if(e.isVisible()&&d>=0&&e.getListening()&&this._traverseChildren(e,a)){c=!0;break}}!c&&this.mouseoutShape&&(this.mouseoutShape._handleEvent("mouseout",a),this.mouseoutShape=undefined)},_bindContentEvents:function(){var a=Kinetic.Global,b=this,c=["mousedown","mousemove","mouseup","mouseover","mouseout","touchstart","touchmove","touchend"];for(var d=0;d<c.length;d++){var e=c[d];(function(){var a=e;b.content.addEventListener(a,function(c){b["_"+a](c)},!1)})()}},_mouseover:function(a){this._handleStageEvent(a)},_mouseout:function(a){var b=this.targetShape;b&&(b._handleEvent("mouseout",a),this.targetShape=undefined),this.mousePos=undefined,this._endDrag(a)},_mousemove
:function(a){this.mouseDown=!1,this.mouseUp=!1,this.mouseMove=!0,this._handleStageEvent(a),this._startDrag(a)},_mousedown:function(a){this.mouseDown=!0,this.mouseUp=!1,this.mouseMove=!1,this._handleStageEvent(a),this.attrs.draggable&&this._initDrag()},_mouseup:function(a){this.mouseDown=!1,this.mouseUp=!0,this.mouseMove=!1,this._handleStageEvent(a),this.clickStart=!1,this._endDrag(a)},_touchstart:function(a){a.preventDefault(),this.touchStart=!0,this.touchEnd=!1,this.touchMove=!1,this._handleStageEvent(a),this.attrs.draggable&&this._initDrag()},_touchend:function(a){this.touchStart=!1,this.touchEnd=!0,this.touchMove=!1,this._handleStageEvent(a),this.tapStart=!1,this._endDrag(a)},_touchmove:function(a){a.preventDefault(),this.touchEnd=!1,this.touchMove=!0,this._handleStageEvent(a),this._startDrag(a)},_setMousePosition:function(a){var b=a.offsetX||a.clientX-this._getContentPosition().left+window.pageXOffset,c=a.offsetY||a.clientY-this._getContentPosition().top+window.pageYOffset;this.mousePos={x:b,y:c}},_setTouchPosition:function(a){if(a.touches!==undefined&&a.touches.length===1){var b=a.touches[0],c=b.clientX-this._getContentPosition().left+window.pageXOffset,d=b.clientY-this._getContentPosition().top+window.pageYOffset;this.touchPos={x:c,y:d}}},_getContentPosition:function(){var a=this.content.getBoundingClientRect(),b=document.documentElement;return{top:a.top+b.scrollTop,left:a.left+b.scrollLeft}},_endDrag:function(a){var b=Kinetic.Global;b.drag.node&&b.drag.moving&&(b.drag.moving=!1,b.drag.node._handleEvent("dragend",a)),b.drag.node=undefined},_startDrag:function(a){var b=this,c=Kinetic.Global,d=c.drag.node;if(d){var e=d.attrs.dragThrottle,f=(new Date).getTime(),g=f-d.lastDragTime,h=1e3/e;if(g>=h||e>200){var i=b.getUserPosition(),j=d.attrs.dragConstraint,k=d.attrs.dragBounds,l={x:d.attrs.x,y:d.attrs.y},m={x:i.x-c.drag.offset.x,y:i.y-c.drag.offset.y};k.left!==undefined&&m.x<k.left&&(m.x=k.left),k.right!==undefined&&m.x>k.right&&(m.x=k.right),k.top!==undefined&&m.y<k.top&&(m.y=k.top),k.bottom!==undefined&&m.y>k.bottom&&(m.y=k.bottom),d.setAbsolutePosition(m),j==="horizontal"?d.attrs.y=l.y:j==="vertical"&&(d.attrs.x=l.x),c.drag.node.nodeType==="Stage"?c.drag.node.draw():c.drag.node.getLayer().draw(),c.drag.moving||(c.drag.moving=!0,c.drag.node._handleEvent("dragstart",a)),c.drag.node._handleEvent("dragmove",a),d.lastDragTime=(new Date).getTime()}}},_buildDOM:function(){this.content=document.createElement("div"),this.content.style.position="relative",this.content.style.display="inline-block",this.content.className="kineticjs-content",this.attrs.container.appendChild(this.content),this.bufferCanvas=new Kinetic.Canvas({width:this.attrs.width,height:this.attrs.height}),this.pathCanvas=new Kinetic.Canvas({width:this.attrs.width,height:this.attrs.height}),this.pathCanvas.strip(),this._resizeDOM()},_addId:function(a){a.attrs.id!==undefined&&(this.ids[a.attrs.id]=a)},_removeId:function(a){a!==undefined&&delete this.ids[a]},_addName:function(a){var b=a.attrs.name;b!==undefined&&(this.names[b]===undefined&&(this.names[b]=[]),this.names[b].push(a))},_removeName:function(a,b){if(a!==undefined){var c=this.names[a];if(c!==undefined){for(var d=0;d<c.length;d++){var e=c[d];e._id===b&&c.splice(d,1)}c.length===0&&delete this.names[a]}}},_onContent:function(a,b){var c=a.split(" ");for(var d=0;d<c.length;d++){var e=c[d];this.content.addEventListener(e,b,!1)}},_setStageDefaultProperties:function(){this.nodeType="Stage",this.dblClickWindow=400,this.targetShape=undefined,this.targetFound=!1,this.mouseoverShape=undefined,this.mouseoutShape=undefined,this.mousePos=undefined,this.mouseDown=!1,this.mouseUp=!1,this.mouseMove=!1,this.clickStart=!1,this.touchPos=undefined,this.touchStart=!1,this.touchEnd=!1,this.touchMove=!1,this.tapStart=!1,this.ids={},this.names={}},_draw:function(a){this._drawChildren(a)}}),Kinetic.Node.addGettersSetters(Kinetic.Stage,["width","height"]),Kinetic.Layer=Kinetic.Container.extend({init:function(a){this.setDefaultAttrs({clearBeforeDraw:!0}),this.nodeType="Layer",this.lastDrawTime=0,this.beforeDrawFunc=undefined,this.afterDrawFunc=undefined,this.canvas=new Kinetic.Canvas,this.canvas.getElement().style.position="absolute",this._super(a)},draw:function(a){this._draw(a)},beforeDraw:function(a){this.beforeDrawFunc=a},afterDraw:function(a){this.afterDrawFunc=a},getCanvas:function(){return this.canvas},getContext:function(){return this.canvas.context},clear:function(){this.getCanvas().clear()},toDataURL:function(a){var b,c=a&&a.mimeType?a.mimeType:null,d=a&&a.quality?a.quality:null;return a&&a.width&&a.height?b=new Kinetic.Canvas(a.width,a.height):b=this.getCanvas(),b.toDataURL(c,d)},_draw:function(a){a||(a=this.getCanvas());var b=(new Date).getTime();this.lastDrawTime=b,this.beforeDrawFunc!==undefined&&this.beforeDrawFunc.call(this),this.attrs.clearBeforeDraw&&a.clear(),this.isVisible()&&(this.attrs.drawFunc!==undefined&&this.attrs.drawFunc.call(this),this._drawChildren(a)),this.afterDrawFunc!==undefined&&this.afterDrawFunc.call(this)}}),Kinetic.Node.addGettersSetters(Kinetic.Layer,["clearBeforeDraw"]),Kinetic.Group=Kinetic.Container.extend({init:function(a){this.nodeType="Group",this._super(a)},draw:function(a){this._draw(a)},_draw:function(a){this.attrs.visible&&this._drawChildren(a)}}),Kinetic.Shape=Kinetic.Node.extend({init:function(a){this.setDefaultAttrs({detectionType:"path"}),this.nodeType="Shape",this.appliedShadow=!1,this._super(a)},getContext:function(){return this.getLayer().getContext()},getCanvas:function(){return this.getLayer().getCanvas()},stroke:function(a){var b=this.getStrokeWidth(),c=this.getStroke();if(c||b){var d=Kinetic.Global,e=!1;a.save(),this.attrs.shadow&&!this.appliedShadow&&(e=this._applyShadow(a)),a.lineWidth=b||2,a.strokeStyle=c||"black",a.stroke(a),a.restore(),e&&this.stroke(a)}},fill:function(a){var b=!1,c=this.attrs.fill;if(c){a.save(),this.attrs.shadow&&!this.appliedShadow&&(b=this._applyShadow(a));var d=c.start,e=c.end,f=null;if(Kinetic.Type._isString(c))a.fillStyle=c,a.fill(a);else if(c.image){var g=c.repeat?c.repeat:"repeat";c.scale&&a.scale(c.scale.x,c.scale.y),c.offset&&a.translate(c.offset.x,c.offset.y),a.fillStyle=a.createPattern(c.image,g),a.fill(a)}else if(!d.radius&&!e.radius){var h=a.createLinearGradient(d.x,d.y,e.x,e.y),i=c.colorStops;for(var j=0;j<i.length;j+=2)h.addColorStop(i[j],i[j+1]);a.fillStyle=h,a.fill(a)}else if(!d.radius&&d.radius!==0||!e.radius&&e.radius!==0)a.fillStyle="black",a.fill(a);else{var h=a.createRadialGradient(d.x,d.y,d.radius,e.x,e.y,e.radius),i=c.colorStops;for(var j=0;j<i.length;j+=2)h.addColorStop(i[j],i[j+1]);a.fillStyle=h,a.fill(a)}a.restore()}b&&this.fill(a)},fillText:function(a,b){var c=!1;this.attrs.textFill&&(a.save(),this.attrs.shadow&&!this.appliedShadow&&(c=this._applyShadow(a)),a.fillStyle=this.attrs.textFill,a.fillText(b,0,0),a.restore()),c&&this.fillText(a,b,0,0)},strokeText:function(a,b){var c=!1;if(this.attrs.textStroke||this.attrs.textStrokeWidth){a.save(),this.attrs.shadow&&!this.appliedShadow&&(c=this._applyShadow(a));var d=this.attrs.textStroke?this.attrs.textStroke:"black",e=this.attrs.textStrokeWidth?this.attrs.textStrokeWidth:2;a.lineWidth=e,a.strokeStyle=d,a.strokeText(b,0,0),a.restore()}c&&this.strokeText(a,b,0,0)},drawImage:function(){var a=!1,b=arguments[0];b.save();var c=Array.prototype.slice.call(arguments);if(c.length===6||c.length===10)this.attrs.shadow&&!this.appliedShadow&&(a=this._applyShadow(b)),c.length===6?b.drawImage(c[1],c[2],c[3],c[4],c[5]):b.drawImage(c[1],c[2],c[3],c[4],c[5],c[6],c[7],c[8],c[9]);b.restore(),a&&this.drawImage.apply(this,c)},applyLineJoin:function(a){this.attrs.lineJoin&&(a.lineJoin=this.attrs.lineJoin)},_applyShadow:function(a){var b=this.attrs.shadow;if(b){var c=this.getAbsoluteAlpha(),d=b.color?b.color:"black",e=b.blur?b.blur:5,f=b.offset?b.offset:{x:0,y:0};return b.alpha&&(a.globalAlpha=b.alpha*c),a.shadowColor=d,a.shadowBlur=e,a.shadowOffsetX=f.x,a.shadowOffsetY=f.y,this.appliedShadow=!0,!0}return!1},intersects:function(){var a=Kinetic.Type._getXY(Array.prototype.slice.call(arguments)),b=this.getStage();if(this.attrs.detectionType==="path"){var c=b.pathCanvas,d=c.getContext();return this._draw(c),d.isPointInPath(a.x,a.y)}if(this.imageData){var e=b.attrs.width,f=this.imageData.data[(e*a.y+a.x)*4+3];return f}return!1},_draw:function(a){if(this.attrs.drawFunc){var b=this.getStage(),c=a.getContext(),d=[],e=this.parent;d.unshift(this);while(e)d.unshift(e),e=e.parent;c.save();for(var f=0;f<d.length;f++){var g=d[f],h=g.getTransform(),i=h.getMatrix();c.transform(i[0],i[1],i[2],i[3],i[4],i[5])}var j=this.getAbsoluteAlpha();j!==1&&(c.globalAlpha=j),this.applyLineJoin(c),this.appliedShadow=!1,this.attrs.drawFunc.call(this,a.getContext()),c.restore()}}}),Kinetic.Node.addGettersSetters(Kinetic.Shape,["fill","stroke","lineJoin","strokeWidth","shadow","drawFunc","filter"]),Kinetic.Rect=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({width:0,height:0,cornerRadius:0}),this.shapeType="Rect",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){a.beginPath(),this.attrs.cornerRadius===0?a.rect(0,0,this.attrs.width,this.attrs.height):(a.moveTo(this.attrs.cornerRadius,0),a.lineTo(this.attrs.width-this.attrs.cornerRadius,0),a.arc(this.attrs.width-this.attrs.cornerRadius,this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI*3/2,0,!1),a.lineTo(this.attrs.width,this.attrs.height-this.attrs.cornerRadius),a.arc(this.attrs.width-this.attrs.cornerRadius,this.attrs.height-this.attrs.cornerRadius,this.attrs.cornerRadius,0,Math.PI/2,!1),a.lineTo(this.attrs.cornerRadius,this.attrs.height),a.arc(this.attrs.cornerRadius,this.attrs.height-this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI/2,Math.PI,!1),a.lineTo(0,this.attrs.cornerRadius),a.arc(this.attrs.cornerRadius,this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI,Math.PI*3/2,!1)),a.closePath(),this.fill(a),this.stroke(a)},setSize:function(){var a=Kinetic.Type._getSize(Array.prototype.slice.call(arguments));this.setAttrs(a)},getSize:function(){return{width:this.attrs.width,height:this.attrs.height}}}),Kinetic.Node.addGettersSetters(Kinetic.Rect,["width","height","cornerRadius"]),Kinetic.Ellipse=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({radius:{x:0,y:0}}),this.shapeType="Ellipse",a.drawFunc=this.drawFunc,this._super(a),this._convertRadius();var b=this;this.on("radiusChange.kinetic",function(){b._convertRadius()})},drawFunc:function(a){var b=this.getRadius();a.beginPath(),a.save(),b.x!==b.y&&a.scale(1,b.y/b.x),a.arc(0,0,b.x,0,Math.PI*2,!0),a.restore(),a.closePath(),this.fill(a),this.stroke(a)},_convertRadius:function(){var a=Kinetic.Type,b=this.getRadius();if(a._isObject(b))return!1;this.attrs.radius=a._getXY(b)}}),Kinetic.Circle=Kinetic.Ellipse,Kinetic.Node.addGettersSetters(Kinetic.Ellipse,["radius"]),Kinetic.Image=Kinetic.Shape.extend({init:function(a){this.shapeType="Image",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){if(this.attrs.image){var b=this.getWidth(),c=this.getHeight();a.beginPath(),a.rect(0,0,b,c),a.closePath(),this.fill(a),this.stroke(a);if(this.attrs.crop&&this.attrs.crop.width&&this.attrs.crop.height){var d=this.attrs.crop.x?this.attrs.crop.x:0,e=this.attrs.crop.y?this.attrs.crop.y:0,f=this.attrs.crop.width,g=this.attrs.crop.height;this.drawImage(a,this.attrs.image,d,e,f,g,0,0,b,c)}else this.drawImage(a,this.attrs.image,0,0,b,c)}},setSize:function(){var a=Kinetic.Type._getSize(Array.prototype.slice.call(arguments));this.setAttrs(a)},getSize:function(){return{width:this.attrs.width,height:this.attrs.height}},getWidth:function(){return this.attrs.width?this.attrs.width:this.attrs.image?this.attrs.image.width:0},getHeight:function(){return this.attrs.height?this.attrs.height:this.attrs.image?this.attrs.image.height:0},applyFilter:function(a){try{var b=this._clearTransform();this.saveImageData(this.getWidth(),this.getHeight()),this._setTransform(b),a.filter.call(this,a);var c=this;Kinetic.Type._getImage(this.getImageData(),function(b){c.setImage(b),a.callback&&a.callback()})}catch(d){Kinetic.Global.warn("Unable to apply filter.")}}}),Kinetic.Node.addGettersSetters(Kinetic.Image,["image","crop","filter"]),Kinetic.Node.addSetters(Kinetic.Image,["width","height"]),Kinetic.Polygon=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({points:[]}),this.shapeType="Polygon",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){a.beginPath(),a.moveTo(this.attrs.points[0].x,this.attrs.points[0].y);for(var b=1;b<this.attrs.points.length;b++)a.lineTo(this.attrs.points[b].x,this.attrs.points[b].y);a.closePath(),this.fill(a),this.stroke(a)}}),Kinetic.Node.addGettersSetters(Kinetic.Polygon,["points"]),Kinetic.Text=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({fontFamily:"Calibri",text:"",fontSize:12,align:"left",verticalAlign:"top",fontStyle:"normal",padding:0,width:"auto",height:"auto",detectionType:"path",cornerRadius:0,lineHeight:1.2}),this.dummyCanvas=document.createElement("canvas"),this.shapeType="Text",a.drawFunc=this.drawFunc,this._super(a);var b=["fontFamily","fontSize","fontStyle","padding","align","lineHeight","text","width","height"],c=this;for(var d=0;d<b.length;d++){var e=b[d];this.on(e+"Change.kinetic",c._setTextData)}c._setTextData()},drawFunc:function(a){a.beginPath();var b=this.getBoxWidth(),c=this.getBoxHeight();this.attrs.cornerRadius===0?a.rect(0,0,b,c):(a.moveTo(this.attrs.cornerRadius,0),a.lineTo(b-this.attrs.cornerRadius,0),a.arc(b-this.attrs.cornerRadius,this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI*3/2,0,!1),a.lineTo(b,c-this.attrs.cornerRadius),a.arc(b-this.attrs.cornerRadius,c-this.attrs.cornerRadius,this.attrs.cornerRadius,0,Math.PI/2,!1),a.lineTo(this.attrs.cornerRadius,c),a.arc(this.attrs.cornerRadius,c-this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI/2,Math.PI,!1),a.lineTo(0,this.attrs.cornerRadius),a.arc(this.attrs.cornerRadius,this.attrs.cornerRadius,this.attrs.cornerRadius,Math.PI,Math.PI*3/2,!1)),a.closePath(),this.fill(a),this.stroke(a);var d=this.attrs.padding,e=this.attrs.lineHeight*this.getTextHeight(),f=this.textArr;a.font=this.attrs.fontStyle+" "+this.attrs.fontSize+"pt "+this.attrs.fontFamily,a.textBaseline="middle",a.textAlign="left",a.save(),a.translate(d,0),a.translate(0,d+this.getTextHeight()/2);for(var g=0;g<f.length;g++){var h=f[g];a.save(),this.attrs.align==="right"?a.translate(this.getBoxWidth()-this._getTextSize(h).width-d*2,0):this.attrs.align==="center"&&a.translate((this.getBoxWidth()-this._getTextSize(h).width-d*2)/2,0),this.fillText(a,h),this.strokeText(a,h),a.restore(),a.translate(0,e)}a.restore()},getBoxWidth:function(){return this.attrs.width==="auto"?this.getTextWidth()+this.attrs.padding*2:this.attrs.width},getBoxHeight:function(){return this.attrs.height==="auto"?this.getTextHeight()*this.textArr.length*this.attrs.lineHeight+this.attrs.padding*2:this.attrs.height},getTextWidth:function(){return this.textWidth},getTextHeight:function(){return this.textHeight},_getTextSize:function(a){var b=this.dummyCanvas,c=b.getContext("2d");c.save(),c.font=this.attrs.fontStyle+" "+this.attrs.fontSize+"pt "+this.attrs.fontFamily;var d=c.measureText(a);return c.restore(),{width:d.width,height:parseInt(this.attrs.fontSize,10)}},_setTextData:function(){var a=this.attrs.text.split(""),b=[],c=0,d=!0;this.textWidth=0,this.textHeight=this._getTextSize(this.attrs.text).height;var e=this.attrs.lineHeight*this.textHeight;while(a.length>0&&d&&(this.attrs.height==="auto"||e*(c+1)<this.attrs.height-this.attrs.padding*2)){var f=0,g=undefined;d=!1;while(f<a.length){if(a.indexOf("\n")===f){a.splice(f,1),g=a.splice(0,f).join("");break}var h=a.slice(0,f);if(this.attrs.width!=="auto"&&this._getTextSize(h.join("")).width>this.attrs.width-this.attrs.padding*2){if(f==0)break;var i=h.lastIndexOf(" "),j=h.lastIndexOf("-"),k=Math.max(i,j);if(k>=0){g=a.splice(0,1+k).join("");break}g=a.splice(0,f).join("");break}f++,f===a.length&&(g=a.splice(0,f).join(""))}this.textWidth=Math.max(this.textWidth,this._getTextSize(g).width),g!==undefined&&(b.push(g),d=!0),c++}this.textArr=b}}),Kinetic.Node.addGettersSetters(Kinetic.Text,["fontFamily","fontSize","fontStyle","textFill","textStroke","textStrokeWidth","padding","align","lineHeight","text","width","height","cornerRadius","fill","stroke","strokeWidth","shadow"]),Kinetic.Line=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({points:[],lineCap:"butt",dashArray:[],detectionType:"pixel"}),this.shapeType="Line",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){var b={};a.beginPath(),a.moveTo(this.attrs.points[0].x,this.attrs.points[0].y);for(var c=1;c<this.attrs.points.length;c++){var d=this.attrs.points[c].x,e=this.attrs.points[c].y;if(this.attrs.dashArray.length>0){var f=this.attrs.points[c-1].x,g=this.attrs.points[c-1].y;this._dashedLine(a,f,g,d,e,this.attrs.dashArray)}else a.lineTo(d,e)}!this.attrs.lineCap||(a.lineCap=this.attrs.lineCap),this.stroke(a)},_dashedLine:function(a,b,c,d,e,f){var g=f.length,h=d-b,i=e-c,j=h>i,k=j?i/h:h/i;k>9999?k=9999:k<-9999&&(k=-9999);var l=Math.sqrt(h*h+i*i),m=0,n=!0;while(l>=.1&&m<1e4){var o=f[m++%g];o===0&&(o=.001),o>l&&(o=l);var p=Math.sqrt(o*o/(1+k*k));j?(b+=h<0&&i<0?p*-1:p,c+=h<0&&i<0?k*p*-1:k*p):(b+=h<0&&i<0?k*p*-1:k*p,c+=h<0&&i<0?p*-1:p),a[n?"lineTo":"moveTo"](b,c),l-=o,n=!n}a.moveTo(d,e)}}),Kinetic.Node.addGettersSetters(Kinetic.Line,["dashArray","lineCap","points"]),Kinetic.Sprite=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({index:0,frameRate:17}),a.drawFunc=this.drawFunc,this._super(a),this.anim=new Kinetic.Animation;var b=this;this.on("animationChange.kinetic",function(){b.setIndex(0)})},drawFunc:function(a){if(this.attrs.image){var b=this.attrs.animation,c=this.attrs.index,d=this.attrs.animations[b][c];a.beginPath(),a.rect(0,0,d.width,d.height),a.closePath(),this.drawImage(a,this.attrs.image,d.x,d.y,d.width,d.height,0,0,d.width,d.height)}},start:function(){var a=this,b=this.getLayer(),c=Kinetic.Animation;c._removeAnimation(this.anim),this.anim.node=b,c._addAnimation(this.anim),this.interval=setInterval(function(){var b=a.attrs.index;a._updateIndex(),a.afterFrameFunc&&b===a.afterFrameIndex&&a.afterFrameFunc()},1e3/this.attrs.frameRate),c._handleAnimation()},stop:function(){Kinetic.Animation._removeAnimation(this.anim),clearInterval(this.interval)},afterFrame:function(a,b){this.afterFrameIndex=a,this.afterFrameFunc=b},_updateIndex:function(){var a=this.attrs.index,b=this.attrs.animation;a<this.attrs.animations[b].length-1?this.attrs.index++:this.attrs.index=0}}),Kinetic.Node.addGettersSetters(Kinetic.Sprite,["animation","animations","index"]),Kinetic.Star=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({numPoints:0,innerRadius:0,outerRadius:0}),this.shapeType="Star",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){a.beginPath(),a.moveTo(0,0-this.attrs.outerRadius);for(var b=1;b<this.attrs.numPoints*2;b++){var c=b%2===0?this.attrs.outerRadius:this.attrs.innerRadius,d=c*Math.sin(b*Math.PI/this.attrs.numPoints),e=-1*c*Math.cos(b*Math.PI/this.attrs.numPoints);a.lineTo(d,e)}a.closePath(),this.fill(a),this.stroke(a)}}),Kinetic.Node.addGettersSetters(Kinetic.Star,["numPoints","innerRadius","outerRadius"]),Kinetic.RegularPolygon=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({radius:0,sides:0}),this.shapeType="RegularPolygon",a.drawFunc=this.drawFunc,this._super(a)},drawFunc:function(a){a.beginPath(),a.moveTo(0,0-this.attrs.radius);for(var b=1;b<this.attrs.sides;b++){var c=this.attrs.radius*Math.sin(b*2*Math.PI/this.attrs.sides),d=-1*this.attrs.radius*Math.cos(b*2*Math.PI/this.attrs.sides);a.lineTo(c,d)}a.closePath(),this.fill(a),this.stroke(a)}}),Kinetic.Node.addGettersSetters(Kinetic.RegularPolygon,["radius","sides"]),Kinetic.Path=Kinetic.Shape.extend({init:function(a){this.shapeType="Path",this.dataArray=[];var b=this;a.drawFunc=this.drawFunc,this._super(a),this.dataArray=Kinetic.Path.parsePathData(this.attrs.data),this.on("dataChange",function(){b.dataArray=Kinetic.Path.parsePathData(b.attrs.data)})},drawFunc:function(a){var b=this.dataArray;a.beginPath();for(var c=0;c<b.length;c++){var d=b[c].command,e=b[c].points;switch(d){case"L":a.lineTo(e[0],e[1]);break;case"M":a.moveTo(e[0],e[1]);break;case"C":a.bezierCurveTo(e[0],e[1],e[2],e[3],e[4],e[5]);break;case"Q":a.quadraticCurveTo(e[0],e[1],e[2],e[3]);break;case"A":var f=e[0],g=e[1],h=e[2],i=e[3],j=e[4],k=e[5],l=e[6],m=e[7],n=h>i?h:i,o=h>i?1:h/i,p=h>i?i/h:1;a.translate(f,g),a.rotate(l),a.scale(o,p),a.arc(0,0,n,j,j+k,1-m),a.scale(1/o,1/p),a.rotate(-l),a.translate(-f,-g);break;case"z":a.closePath()}}this.fill(a),this.stroke(a)}}),Kinetic.Path.getLineLength=function(a,b,c,d){return Math.sqrt((c-a)*(c-a)+(d-b)*(d-b))},Kinetic.Path.getPointOnLine=function(a,b,c,d,e,f,g){f===undefined&&(f=b),g===undefined&&(g=c);var h=(e-c)/(d-b+1e-8),i=Math.sqrt(a*a/(1+h*h)),j=h*i,k;if((g-c)/(f-b+1e-8)===h)k={x:f+i,y:g+j};else{var l,m,n=this.getLineLength(b,c,d,e);if(n<1e-8)return undefined;var o=(f-b)*(d-b)+(g-c)*(e-c);o/=n*n,l=b+o*(d-b),m=c+o*(e-c);var p=this.getLineLength(f,g,l,m),q=Math.sqrt(a*a-p*p);i=Math.sqrt(q*q/(1+h*h)),j=h*i,k={x:l+i,y:m+j}}return k},Kinetic.Path.getPointOnCubicBezier=function(a,b,c,d,e,f,g,h,i){function j(a){return a*a*a}function k(a){return 3*a*a*(1-a)}function l(a){return 3*a*(1-a)*(1-a)}function m(a){return(1-a)*(1-a)*(1-a)}var n=h*j(a)+f*k(a)+d*l(a)+b*m(a),o=i*j(a)+g*k(a)+e*l(a)+c*m(a);return{x:n,y:o}},Kinetic.Path.getPointOnQuadraticBezier=function(a,b,c,d,e,f,g){function h(a){return a*a}function i(a){return 2*a*(1-a)}function j(a){return(1-a)*(1-a)}var k=f*h(a)+d*i(a)+b*j(a),l=g*h(a)+e*i(a)+c*j(a);return{x:k,y:l}},Kinetic.Path.getPointOnEllipticalArc=function(a,b,c,d,e,f){var g=Math.cos(f),h=Math.sin(f),i={x:c*Math.cos(e),y:d*Math.sin(e)};return{x:a+(i.x*g-i.y*h),y:b+(i.x*h+i.y*g)}},Kinetic.Path.parsePathData=function(a){if(!a)return[];var b=a,c=["m","M","l","L","v","V","h","H","z","Z","c","C","q","Q","t","T","s","S","a","A"];b=b.replace(new RegExp(" ","g"),",");for(var d=0;d<c.length;d++)b=b.replace(new RegExp(c[d],"g"),"|"+c[d]);var e=b.split("|"),f=[],g=0,h=0;for(var d=1;d<e.length;d++){var i=e[d],j=i.charAt(0);i=i.slice(1),i=i.replace(new RegExp(",-","g"),"-"),i=i.replace(new RegExp("-","g"),",-"),i=i.replace(new RegExp("e,-","g"),"e-");var k=i.split(",");k.length>0&&k[0]===""&&k.shift();for(var l=0;l<k.length;l++)k[l]=parseFloat(k[l]);while(k.length>0){if(isNaN(k[0]))break;var m=null,n=[],o=g,p=h;switch(j){case"l":g+=k.shift(),h+=k.shift(),m="L",n.push(g,h);break;case"L":g=k.shift(),h=k.shift(),n.push(g,h);break;case"m":g+=k.shift(),h+=k.shift(),m="M",n.push(g,h),j="l";break;case"M":g=k.shift(),h=k.shift(),m="M",n.push(g,h),j="L";break;case"h":g+=k.shift(),m="L",n.push(g,h);break;case"H":g=k.shift(),m="L",n.push(g,h);break;case"v":h+=k.shift(),m="L",n.push(g,h);break;case"V":h=k.shift(),m="L",n.push(g,h);break;case"C":n.push(k.shift(),k.shift(),k.shift(),k.shift()),g=k.shift(),h=k.shift(),n.push(g,h);break;case"c":n.push(g+k.shift(),h+k.shift(),g+k.shift(),h+k.shift()),g+=k.shift(),h+=k.shift(),m="C",n.push(g,h);break;case"S":var q=g,r=h,s=f[f.length-1];s.command==="C"&&(q=g+(g-s.points[2]),r=h+(h-s.points[3])),n.push(q,r,k.shift(),k.shift()),g=k.shift(),h=k.shift(),m="C",n.push(g,h);break;case"s":var q=g,r=h,s=f[f.length-1];s.command==="C"&&(q=g+(g-s.points[2]),r=h+(h-s.points[3])),n.push(q,r,g+k.shift(),h+k.shift()),g+=k.shift(),h+=k.shift(),m="C",n.push(g,h);break;case"Q":n.push(k.shift(),k.shift()),g=k.shift(),h=k.shift(),n.push(g,h);break;case"q":n.push(g+k.shift(),h+k.shift()),g+=k.shift(),h+=k.shift(),m="Q",n.push(g,h);break;case"T":var q=g,r=h,s=f[f.length-1];s.command==="Q"&&(q=g+(g-s.points[0]),r=h+(h-s.points[1])),g=k.shift(),h=k.shift(),m="Q",n.push(q,r,g,h);break;case"t":var q=g,r=h,s=f[f.length-1];s.command==="Q"&&(q=g+(g-s.points[0]),r=h+(h-s.points[1])),g+=k.shift(),h+=k.shift(),m="Q",n.push(q,r,g,h);break;case"A":var t=k.shift(),u=k.shift(),v=k.shift(),w=k.shift(),x=k.shift(),y=g,z=h;g=k.shift(),h=k.shift(),m="A",n=this.convertEndpointToCenterParameterization(y,z,g,h,w,x,t,u,v);break;case"a":var t=k.shift(),u=k.shift(),v=k.shift(),w=k.shift(),x=k.shift(),y=g,z=h;g+=k.shift(),h+=k.shift(),m="A",n=this.convertEndpointToCenterParameterization(y,z,g,h,w,x,t,u,v)}f.push({command:m||j,points:n,start:{x:o,y:p},pathLength:this.calcLength(o,p,m||j,n)})}(j==="z"||j==="Z")&&f.push({command:"z",points:[],start:undefined,pathLength:0})}return f},Kinetic.Path.calcLength=function(a,b,c,d){var e,f,g,h=Kinetic.Path;switch(c){case"L":return h.getLineLength(a,b,d[0],d[1]);case"C":e=0,f=h.getPointOnCubicBezier(0,a,b,d[0],d[1],d[2],d[3],d[4],d[5]);for(t=.01;t<=1;t+=.01)g=h.getPointOnCubicBezier(t,a,b,d[0],d[1],d[2],d[3],d[4],d[5]),e+=h.getLineLength(f.x,f.y,g.x,g.y),f=g;return e;case"Q":e=0,f=h.getPointOnQuadraticBezier(0,a,b,d[0],d[1],d[2],d[3]);for(t=.01;t<=1;t+=.01)g=h.getPointOnQuadraticBezier(t,a,b,d[0],d[1],d[2],d[3]),e+=h.getLineLength(f.x,f.y,g.x,g.y),f=g;return e;case"A":e=0;var i=d[4],j=d[5],k=d[4]+j,l=Math.PI/180;Math.abs(i-k)<l&&(l=Math.abs(i-k)),f=h.getPointOnEllipticalArc(d[0],d[1],d[2],d[3],i,0);if(j<0)for(t=i-l;t>k;t-=l)g=h.getPointOnEllipticalArc(d[0],d[1],d[2],d[3],t,0),e+=h.getLineLength(f.x,f.y,g.x,g.y),f=g;else for(t=i+l;t<k;t+=l)g=h.getPointOnEllipticalArc(d[0],d[1],d[2],d[3],t,0),e+=h.getLineLength(f.x,f.y,g.x,g.y),f=g;return g=h.getPointOnEllipticalArc(d[0],d[1],d[2],d[3],k,0),e+=h.getLineLength(f.x,f.y,g.x,g.y),e}return 0},Kinetic.Path.convertEndpointToCenterParameterization=function(a,b,c,d,e,f,g,h,i){var j=i*(Math.PI/180),k=Math.cos(j)*(a-c)/2+Math.sin(j)*(b-d)/2,l=-1*Math.sin(j)*(a-c)/2+Math.cos(j)*(b-d)/2,m=k*k/(g*g)+l*l/(h*h);m>1&&(g*=Math.sqrt(m),h*=Math.sqrt(m));var n=Math.sqrt((g*g*h*h-g*g*l*l-h*h*k*k)/(g*g*l*l+h*h*k*k));e==f&&(n*=-1),isNaN(n)&&(n=0);var o=n*g*l/h,p=n*-h*k/g,q=(a+c)/2+Math.cos(j)*o-Math.sin(j)*p,r=(b+d)/2+Math.sin(j)*o+Math.cos(j)*p,s=function(a){return Math.sqrt(a[0]*a[0]+a[1]*a[1])},t=function(a,b){return(a[0]*b[0]+a[1]*b[1])/(s(a)*s(b))},u=function(a,b){return(a[0]*b[1]<a[1]*b[0]?-1:1)*Math.acos(t(a,b))},v=u([1,0],[(k-o)/g,(l-p)/h]),w=[(k-o)/g,(l-p)/h],x=[(-1*k-o)/g,(-1*l-p)/h],y=u(w,x);return t(w,x)<=-1&&(y=Math.PI),t(w,x)>=1&&(y=0),f===0&&y>0&&(y-=2*Math.PI),f==1&&y<0&&(y+=2*Math.PI),[q,r,g,h,v,y,j,f]},Kinetic.Node.addGettersSetters(Kinetic.Path,["data"]),Kinetic.TextPath=Kinetic.Shape.extend({init:function(a){this.setDefaultAttrs({fontFamily:"Calibri",fontSize:12,fontStyle:"normal",detectionType:"path",text:""}),this.dummyCanvas=document.createElement("canvas"),this.shapeType="TextPath",this.dataArray=[];var b=this;a.drawFunc=this.drawFunc,this._super(a),this.dataArray=Kinetic.Path.parsePathData(this.attrs.data),this.on("dataChange",function(){b.dataArray=Kinetic.Path.parsePathData(this.attrs.data)});var c=["text","textStroke","textStrokeWidth"];for(var d=0;d<c.length;d++){var e=c[d];this.on(e+"Change",b._setTextData)}b._setTextData()},drawFunc:function(a){var b=this.charArr;a.font=this.attrs.fontStyle+" "+this.attrs.fontSize+"pt "+this.attrs.fontFamily,a.textBaseline="middle",a.textAlign="left",a.save();var c=this.glyphInfo;for(var d=0;d<c.length;d++){a.save();var e=c[d].p0,f=c[d].p1,g=parseFloat(this.attrs.fontSize);a.translate(e.x,e.y),a.rotate(c[d].rotation),this.fillText(a,c[d].text),this.strokeText(a,c[d].text),a.restore()}a.restore()},getTextWidth:function(){return this.textWidth},getTextHeight:function(){return this.textHeight},_getTextSize:function(a){var b=this.dummyCanvas,c=b.getContext("2d");c.save(),c.font=this.attrs.fontStyle+" "+this.attrs.fontSize+"pt "+this.attrs.fontFamily;var d=c.measureText(a);return c.restore(),{width:d.width,height:parseInt(this.attrs.fontSize,10)}},_setTextData:function(){var a=this,b=this._getTextSize(this.attrs.text);this.textWidth=b.width,this.textHeight=b.height,this.glyphInfo=[];var c=this.attrs.text.split(""),d,e,f,g=-1,h=0,i=function(){h=0;var b=a.dataArray;for(var c=g+1;c<b.length;c++){if(b[c].pathLength>0)return g=c,b[c];b[c].command=="M"&&(d={x:b[c].points[0],y:b[c].points[1]})}return{}},j=function(b,c){var g=a._getTextSize(b).width,j=0,k=0,l=!1;e=undefined;while(Math.abs(g-j)/g>.01&&k<25){k++;var m=j;while(f===undefined)f=i(),f&&m+f.pathLength<g&&(m+=f.pathLength,f=undefined);if(f==={}||d===undefined)return undefined;var n=!1;switch(f.command){case"L":Kinetic.Path.getLineLength(d.x,d.y,f.points[0],f.points[1])>g?e=Kinetic.Path.getPointOnLine(g,d.x,d.y,f.points[0],f.points[1],d.x,d.y):f=undefined;break;case"A":var o=f.points[4],p=f.points[5],q=f.points[4]+p;h===0?h=o+1e-8:g>j?h+=Math.PI/180*p/Math.abs(p):h-=Math.PI/360*p/Math.abs(p),Math.abs(h)>Math.abs(q)&&(h=q,n=!0),e=Kinetic.Path.getPointOnEllipticalArc(f.points[0],f.points[1],f.points[2],f.points[3],h,f.points[6]);break;case"C":h===0?g>f.pathLength?h=1e-8:h=g/f.pathLength:g>j?h+=(g-j)/f.pathLength:h-=(j-g)/f.pathLength,h>1&&(h=1,n=!0),e=Kinetic.Path.getPointOnCubicBezier(h,f.start.x,f.start.y,f.points[0],f.points[1],f.points[2],f.points[3],f.points[4],f.points[5]);break;case"Q":h===0?h=g/f.pathLength:g>j?h+=(g-j)/f.pathLength:h-=(j-g)/f.pathLength,h>1&&(h=1,n=!0),e=Kinetic.Path.getPointOnQuadraticBezier(h,f.start.x,f.start.y,f.points[0],f.points[1],f.points[2],f.points[3])}e!==undefined&&(j=Kinetic.Path.getLineLength(d.x,d.y,e.x,e.y)),n&&(n=!1,f=undefined)}};for(var k=0;k<c.length;k++){j(c[k]);if(d===undefined||e===undefined)break;var l=Kinetic.Path.getLineLength(d.x,d.y,e.x,e.y),m=0,n=Kinetic.Path.getPointOnLine(m+l/2,d.x,d.y,e.x,e.y),o=Math.atan2(e.y-d.y,e.x-d.x);this.glyphInfo.push({transposeX:n.x,transposeY:n.y,text:c[k],rotation:o,p0:d,p1:e}),d=e}}}),Kinetic.Node.addGettersSetters(Kinetic.TextPath,["fontFamily","fontSize","fontStyle","textFill","textStroke","textStrokeWidth","text"]);