diff --git a/src/index.js b/src/index.js
index 7476768..f4886e3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,16 +2,12 @@ import * as paper from "paper";
 
 let objects = [];
 
-class Asteroid{
-    constructor(size, position, velocity=new paper.Point(0, 0)){
+class Object{
+    constructor(size, position, velocity, path){
         this.size = size;
         this.position = position;
         this.velocity = velocity;
-        this.path = new paper.Path.RegularPolygon(this.position, Math.max(5, Math.ceil(Math.random()*10)), this.size);
-        this.path.segments.forEach(elem => {
-            elem.point = elem.point.add(new paper.Point(Math.random()*15, Math.random()*15));
-        });
-        this.path.strokeColor = "#ffffff";
+        this.path = path;
         objects.push(this);
     }
 
@@ -33,41 +29,52 @@ class Asteroid{
     }
 }
 
-class Ship{
+class Asteroid extends Object{
+    constructor(size, position, velocity=new paper.Point(0, 0)){
+        let path = new paper.Path.RegularPolygon(position, Math.max(5, Math.ceil(Math.random()*10)), size);
+        path.segments.forEach(elem => {
+            elem.point = elem.point.add(new paper.Point(Math.random()*15, Math.random()*15));
+        });
+        path.strokeColor = "#ffffff";
+        super(size, position, velocity, path);
+    }  
+}
+
+class Ship extends Object{
     constructor(size, position){
-        this.size = size;
-        this.position = position;
-        this.velocity = new paper.Point(0, 0);
-        this.nodes = [
-            new paper.Point(this.position.x, this.position.y-this.size),
-            new paper.Point(this.position.x+this.size/2, this.position.y),
-            new paper.Point(this.position.x-this.size/2, this.position.y),
-            new paper.Point(this.position.x, this.position.y-this.size) 
+        let nodes = [
+            new paper.Point(position.x, position.y-size),
+            new paper.Point(position.x+size/2, position.y),
+            new paper.Point(position.x-size/2, position.y),
+            new paper.Point(position.x, position.y-size) 
         ];
 
-        this.path = new paper.Path(this.nodes);
-        this.path.strokeColor = "#ffffff";
-        objects.push(this);
+        let path = new paper.Path(nodes);
+        path.strokeColor = "#ffffff";
+        path.fillColor = "#ffffffee";
+        
+        super(size, position, new paper.Point(0, 0), path);
+        this.forward = nodes[0].subtract(position);
     }
 
-    update(){
-        this.position = this.position.add(this.velocity);
-        this.path.position = this.position;
+    rotate(angle){
+        this.forward.angle += angle;
+        this.path.rotate(angle)
+    }
 
-        if(this.position.x > canvas.width + 30){
-            this.position = new paper.Point(-this.size,  this.position.y);
-        }else if(this.position.x < -this.size){
-            this.position = new paper.Point(canvas.width+this.size,  this.position.y);
-        }
-
-        if(this.position.y > canvas.height + 30){
-            this.position = new paper.Point(this.position.x,  -this.size);
-        }else if(this.position.y < -this.size){
-            this.position = new paper.Point(this.position.x,  canvas.height+this.size);
-        }
+    fire(){
+        new Bullet(this.position, this.forward);
     }
 };
 
+class Bullet extends Object{
+    constructor(position, velocity){
+        let path = new paper.Path.Circle(position, 3);
+        path.fillColor = "#ffffff";
+        super(3, position, velocity, path);
+    }
+}
+
 //initialization
 const canvas = document.getElementById("canvas");
 canvas.width = window.innerWidth;
@@ -89,12 +96,16 @@ const tool = new paper.Tool();
 
 tool.on("keydown", (event) => {
     if(event.character == "w"){
-        ship.velocity = ship.velocity.add(ship.nodes[0].subtract(new paper.Point(canvas.width/2, 0)).normalize());
+        ship.velocity = ship.velocity.add(ship.forward.normalize());
     }
 
     if(event.key == "right"){
-        ship.path.rotate(10);
+        ship.rotate(3);
     }else if(event.key == "left"){
-        ship.path.rotate(-10);
+        ship.rotate(-3);
+    }
+
+    if(event.key == "space"){
+        ship.fire();
     }
 });
\ No newline at end of file
diff --git a/webroot/index.js b/webroot/index.js
index d41b738..ec0fab3 100644
--- a/webroot/index.js
+++ b/webroot/index.js
@@ -19,16 +19,6 @@ eval("(function (global, factory) {\n   true ? factory(exports) :\n  0;\n})(this
 
 /***/ }),
 
-/***/ "./node_modules/paper/dist/paper-core.js":
-/*!***********************************************!*\
-  !*** ./node_modules/paper/dist/paper-core.js ***!
-  \***********************************************/
-/***/ (function(module, exports, __webpack_require__) {
-
-eval("var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!\n * Paper.js v0.12.15 - The Swiss Army Knife of Vector Graphics Scripting.\n * http://paperjs.org/\n *\n * Copyright (c) 2011 - 2020, Jürg Lehni & Jonathan Puckey\n * http://juerglehni.com/ & https://puckey.studio/\n *\n * Distributed under the MIT license. See LICENSE file for details.\n *\n * All rights reserved.\n *\n * Date: Wed Mar 17 10:49:48 2021 +0100\n *\n ***\n *\n * Straps.js - Class inheritance library with support for bean-style accessors\n *\n * Copyright (c) 2006 - 2020 Jürg Lehni\n * http://juerglehni.com/\n *\n * Distributed under the MIT license.\n *\n ***\n *\n * Acorn.js\n * https://marijnhaverbeke.nl/acorn/\n *\n * Acorn is a tiny, fast JavaScript parser written in JavaScript,\n * created by Marijn Haverbeke and released under an MIT license.\n *\n */\n\nvar paper = function(self, undefined) {\n\nself = self || __webpack_require__(/*! ./node/self.js */ \"?974e\");\nvar window = self.window,\n\tdocument = self.document;\n\nvar Base = new function() {\n\tvar hidden = /^(statics|enumerable|beans|preserve)$/,\n\t\tarray = [],\n\t\tslice = array.slice,\n\t\tcreate = Object.create,\n\t\tdescribe = Object.getOwnPropertyDescriptor,\n\t\tdefine = Object.defineProperty,\n\n\t\tforEach = array.forEach || function(iter, bind) {\n\t\t\tfor (var i = 0, l = this.length; i < l; i++) {\n\t\t\t\titer.call(bind, this[i], i, this);\n\t\t\t}\n\t\t},\n\n\t\tforIn = function(iter, bind) {\n\t\t\tfor (var i in this) {\n\t\t\t\tif (this.hasOwnProperty(i))\n\t\t\t\t\titer.call(bind, this[i], i, this);\n\t\t\t}\n\t\t},\n\n\t\tset = Object.assign || function(dst) {\n\t\t\tfor (var i = 1, l = arguments.length; i < l; i++) {\n\t\t\t\tvar src = arguments[i];\n\t\t\t\tfor (var key in src) {\n\t\t\t\t\tif (src.hasOwnProperty(key))\n\t\t\t\t\t\tdst[key] = src[key];\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn dst;\n\t\t},\n\n\t\teach = function(obj, iter, bind) {\n\t\t\tif (obj) {\n\t\t\t\tvar desc = describe(obj, 'length');\n\t\t\t\t(desc && typeof desc.value === 'number' ? forEach : forIn)\n\t\t\t\t\t.call(obj, iter, bind = bind || obj);\n\t\t\t}\n\t\t\treturn bind;\n\t\t};\n\n\tfunction inject(dest, src, enumerable, beans, preserve) {\n\t\tvar beansNames = {};\n\n\t\tfunction field(name, val) {\n\t\t\tval = val || (val = describe(src, name))\n\t\t\t\t\t&& (val.get ? val : val.value);\n\t\t\tif (typeof val === 'string' && val[0] === '#')\n\t\t\t\tval = dest[val.substring(1)] || val;\n\t\t\tvar isFunc = typeof val === 'function',\n\t\t\t\tres = val,\n\t\t\t\tprev = preserve || isFunc && !val.base\n\t\t\t\t\t\t? (val && val.get ? name in dest : dest[name])\n\t\t\t\t\t\t: null,\n\t\t\t\tbean;\n\t\t\tif (!preserve || !prev) {\n\t\t\t\tif (isFunc && prev)\n\t\t\t\t\tval.base = prev;\n\t\t\t\tif (isFunc && beans !== false\n\t\t\t\t\t\t&& (bean = name.match(/^([gs]et|is)(([A-Z])(.*))$/)))\n\t\t\t\t\tbeansNames[bean[3].toLowerCase() + bean[4]] = bean[2];\n\t\t\t\tif (!res || isFunc || !res.get || typeof res.get !== 'function'\n\t\t\t\t\t\t|| !Base.isPlainObject(res)) {\n\t\t\t\t\tres = { value: res, writable: true };\n\t\t\t\t}\n\t\t\t\tif ((describe(dest, name)\n\t\t\t\t\t\t|| { configurable: true }).configurable) {\n\t\t\t\t\tres.configurable = true;\n\t\t\t\t\tres.enumerable = enumerable != null ? enumerable : !bean;\n\t\t\t\t}\n\t\t\t\tdefine(dest, name, res);\n\t\t\t}\n\t\t}\n\t\tif (src) {\n\t\t\tfor (var name in src) {\n\t\t\t\tif (src.hasOwnProperty(name) && !hidden.test(name))\n\t\t\t\t\tfield(name);\n\t\t\t}\n\t\t\tfor (var name in beansNames) {\n\t\t\t\tvar part = beansNames[name],\n\t\t\t\t\tset = dest['set' + part],\n\t\t\t\t\tget = dest['get' + part] || set && dest['is' + part];\n\t\t\t\tif (get && (beans === true || get.length === 0))\n\t\t\t\t\tfield(name, { get: get, set: set });\n\t\t\t}\n\t\t}\n\t\treturn dest;\n\t}\n\n\tfunction Base() {\n\t\tfor (var i = 0, l = arguments.length; i < l; i++) {\n\t\t\tvar src = arguments[i];\n\t\t\tif (src)\n\t\t\t\tset(this, src);\n\t\t}\n\t\treturn this;\n\t}\n\n\treturn inject(Base, {\n\t\tinject: function(src) {\n\t\t\tif (src) {\n\t\t\t\tvar statics = src.statics === true ? src : src.statics,\n\t\t\t\t\tbeans = src.beans,\n\t\t\t\t\tpreserve = src.preserve;\n\t\t\t\tif (statics !== src)\n\t\t\t\t\tinject(this.prototype, src, src.enumerable, beans, preserve);\n\t\t\t\tinject(this, statics, null, beans, preserve);\n\t\t\t}\n\t\t\tfor (var i = 1, l = arguments.length; i < l; i++)\n\t\t\t\tthis.inject(arguments[i]);\n\t\t\treturn this;\n\t\t},\n\n\t\textend: function() {\n\t\t\tvar base = this,\n\t\t\t\tctor,\n\t\t\t\tproto;\n\t\t\tfor (var i = 0, obj, l = arguments.length;\n\t\t\t\t\ti < l && !(ctor && proto); i++) {\n\t\t\t\tobj = arguments[i];\n\t\t\t\tctor = ctor || obj.initialize;\n\t\t\t\tproto = proto || obj.prototype;\n\t\t\t}\n\t\t\tctor = ctor || function() {\n\t\t\t\tbase.apply(this, arguments);\n\t\t\t};\n\t\t\tproto = ctor.prototype = proto || create(this.prototype);\n\t\t\tdefine(proto, 'constructor',\n\t\t\t\t\t{ value: ctor, writable: true, configurable: true });\n\t\t\tinject(ctor, this);\n\t\t\tif (arguments.length)\n\t\t\t\tthis.inject.apply(ctor, arguments);\n\t\t\tctor.base = base;\n\t\t\treturn ctor;\n\t\t}\n\t}).inject({\n\t\tenumerable: false,\n\n\t\tinitialize: Base,\n\n\t\tset: Base,\n\n\t\tinject: function() {\n\t\t\tfor (var i = 0, l = arguments.length; i < l; i++) {\n\t\t\t\tvar src = arguments[i];\n\t\t\t\tif (src) {\n\t\t\t\t\tinject(this, src, src.enumerable, src.beans, src.preserve);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn this;\n\t\t},\n\n\t\textend: function() {\n\t\t\tvar res = create(this);\n\t\t\treturn res.inject.apply(res, arguments);\n\t\t},\n\n\t\teach: function(iter, bind) {\n\t\t\treturn each(this, iter, bind);\n\t\t},\n\n\t\tclone: function() {\n\t\t\treturn new this.constructor(this);\n\t\t},\n\n\t\tstatics: {\n\t\t\tset: set,\n\t\t\teach: each,\n\t\t\tcreate: create,\n\t\t\tdefine: define,\n\t\t\tdescribe: describe,\n\n\t\t\tclone: function(obj) {\n\t\t\t\treturn set(new obj.constructor(), obj);\n\t\t\t},\n\n\t\t\tisPlainObject: function(obj) {\n\t\t\t\tvar ctor = obj != null && obj.constructor;\n\t\t\t\treturn ctor && (ctor === Object || ctor === Base\n\t\t\t\t\t\t|| ctor.name === 'Object');\n\t\t\t},\n\n\t\t\tpick: function(a, b) {\n\t\t\t\treturn a !== undefined ? a : b;\n\t\t\t},\n\n\t\t\tslice: function(list, begin, end) {\n\t\t\t\treturn slice.call(list, begin, end);\n\t\t\t}\n\t\t}\n\t});\n};\n\nif (true)\n\tmodule.exports = Base;\n\nBase.inject({\n\tenumerable: false,\n\n\ttoString: function() {\n\t\treturn this._id != null\n\t\t\t?  (this._class || 'Object') + (this._name\n\t\t\t\t? \" '\" + this._name + \"'\"\n\t\t\t\t: ' @' + this._id)\n\t\t\t: '{ ' + Base.each(this, function(value, key) {\n\t\t\t\tif (!/^_/.test(key)) {\n\t\t\t\t\tvar type = typeof value;\n\t\t\t\t\tthis.push(key + ': ' + (type === 'number'\n\t\t\t\t\t\t\t? Formatter.instance.number(value)\n\t\t\t\t\t\t\t: type === 'string' ? \"'\" + value + \"'\" : value));\n\t\t\t\t}\n\t\t\t}, []).join(', ') + ' }';\n\t},\n\n\tgetClassName: function() {\n\t\treturn this._class || '';\n\t},\n\n\timportJSON: function(json) {\n\t\treturn Base.importJSON(json, this);\n\t},\n\n\texportJSON: function(options) {\n\t\treturn Base.exportJSON(this, options);\n\t},\n\n\ttoJSON: function() {\n\t\treturn Base.serialize(this);\n\t},\n\n\tset: function(props, exclude) {\n\t\tif (props)\n\t\t\tBase.filter(this, props, exclude, this._prioritize);\n\t\treturn this;\n\t}\n}, {\n\nbeans: false,\nstatics: {\n\texports: {},\n\n\textend: function extend() {\n\t\tvar res = extend.base.apply(this, arguments),\n\t\t\tname = res.prototype._class;\n\t\tif (name && !Base.exports[name])\n\t\t\tBase.exports[name] = res;\n\t\treturn res;\n\t},\n\n\tequals: function(obj1, obj2) {\n\t\tif (obj1 === obj2)\n\t\t\treturn true;\n\t\tif (obj1 && obj1.equals)\n\t\t\treturn obj1.equals(obj2);\n\t\tif (obj2 && obj2.equals)\n\t\t\treturn obj2.equals(obj1);\n\t\tif (obj1 && obj2\n\t\t\t\t&& typeof obj1 === 'object' && typeof obj2 === 'object') {\n\t\t\tif (Array.isArray(obj1) && Array.isArray(obj2)) {\n\t\t\t\tvar length = obj1.length;\n\t\t\t\tif (length !== obj2.length)\n\t\t\t\t\treturn false;\n\t\t\t\twhile (length--) {\n\t\t\t\t\tif (!Base.equals(obj1[length], obj2[length]))\n\t\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tvar keys = Object.keys(obj1),\n\t\t\t\t\tlength = keys.length;\n\t\t\t\tif (length !== Object.keys(obj2).length)\n\t\t\t\t\treturn false;\n\t\t\t\twhile (length--) {\n\t\t\t\t\tvar key = keys[length];\n\t\t\t\t\tif (!(obj2.hasOwnProperty(key)\n\t\t\t\t\t\t\t&& Base.equals(obj1[key], obj2[key])))\n\t\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t\treturn false;\n\t},\n\n\tread: function(list, start, options, amount) {\n\t\tif (this === Base) {\n\t\t\tvar value = this.peek(list, start);\n\t\t\tlist.__index++;\n\t\t\treturn value;\n\t\t}\n\t\tvar proto = this.prototype,\n\t\t\treadIndex = proto._readIndex,\n\t\t\tbegin = start || readIndex && list.__index || 0,\n\t\t\tlength = list.length,\n\t\t\tobj = list[begin];\n\t\tamount = amount || length - begin;\n\t\tif (obj instanceof this\n\t\t\t|| options && options.readNull && obj == null && amount <= 1) {\n\t\t\tif (readIndex)\n\t\t\t\tlist.__index = begin + 1;\n\t\t\treturn obj && options && options.clone ? obj.clone() : obj;\n\t\t}\n\t\tobj = Base.create(proto);\n\t\tif (readIndex)\n\t\t\tobj.__read = true;\n\t\tobj = obj.initialize.apply(obj, begin > 0 || begin + amount < length\n\t\t\t\t? Base.slice(list, begin, begin + amount)\n\t\t\t\t: list) || obj;\n\t\tif (readIndex) {\n\t\t\tlist.__index = begin + obj.__read;\n\t\t\tvar filtered = obj.__filtered;\n\t\t\tif (filtered) {\n\t\t\t\tlist.__filtered = filtered;\n\t\t\t\tobj.__filtered = undefined;\n\t\t\t}\n\t\t\tobj.__read = undefined;\n\t\t}\n\t\treturn obj;\n\t},\n\n\tpeek: function(list, start) {\n\t\treturn list[list.__index = start || list.__index || 0];\n\t},\n\n\tremain: function(list) {\n\t\treturn list.length - (list.__index || 0);\n\t},\n\n\treadList: function(list, start, options, amount) {\n\t\tvar res = [],\n\t\t\tentry,\n\t\t\tbegin = start || 0,\n\t\t\tend = amount ? begin + amount : list.length;\n\t\tfor (var i = begin; i < end; i++) {\n\t\t\tres.push(Array.isArray(entry = list[i])\n\t\t\t\t\t? this.read(entry, 0, options)\n\t\t\t\t\t: this.read(list, i, options, 1));\n\t\t}\n\t\treturn res;\n\t},\n\n\treadNamed: function(list, name, start, options, amount) {\n\t\tvar value = this.getNamed(list, name),\n\t\t\thasValue = value !== undefined;\n\t\tif (hasValue) {\n\t\t\tvar filtered = list.__filtered;\n\t\t\tif (!filtered) {\n\t\t\t\tvar source = this.getSource(list);\n\t\t\t\tfiltered = list.__filtered = Base.create(source);\n\t\t\t\tfiltered.__unfiltered = source;\n\t\t\t}\n\t\t\tfiltered[name] = undefined;\n\t\t}\n\t\treturn this.read(hasValue ? [value] : list, start, options, amount);\n\t},\n\n\treadSupported: function(list, dest) {\n\t\tvar source = this.getSource(list),\n\t\t\tthat = this,\n\t\t\tread = false;\n\t\tif (source) {\n\t\t\tObject.keys(source).forEach(function(key) {\n\t\t\t\tif (key in dest) {\n\t\t\t\t\tvar value = that.readNamed(list, key);\n\t\t\t\t\tif (value !== undefined) {\n\t\t\t\t\t\tdest[key] = value;\n\t\t\t\t\t}\n\t\t\t\t\tread = true;\n\t\t\t\t}\n\t\t\t});\n\t\t}\n\t\treturn read;\n\t},\n\n\tgetSource: function(list) {\n\t\tvar source = list.__source;\n\t\tif (source === undefined) {\n\t\t\tvar arg = list.length === 1 && list[0];\n\t\t\tsource = list.__source = arg && Base.isPlainObject(arg)\n\t\t\t\t? arg : null;\n\t\t}\n\t\treturn source;\n\t},\n\n\tgetNamed: function(list, name) {\n\t\tvar source = this.getSource(list);\n\t\tif (source) {\n\t\t\treturn name ? source[name] : list.__filtered || source;\n\t\t}\n\t},\n\n\thasNamed: function(list, name) {\n\t\treturn !!this.getNamed(list, name);\n\t},\n\n\tfilter: function(dest, source, exclude, prioritize) {\n\t\tvar processed;\n\n\t\tfunction handleKey(key) {\n\t\t\tif (!(exclude && key in exclude) &&\n\t\t\t\t!(processed && key in processed)) {\n\t\t\t\tvar value = source[key];\n\t\t\t\tif (value !== undefined)\n\t\t\t\t\tdest[key] = value;\n\t\t\t}\n\t\t}\n\n\t\tif (prioritize) {\n\t\t\tvar keys = {};\n\t\t\tfor (var i = 0, key, l = prioritize.length; i < l; i++) {\n\t\t\t\tif ((key = prioritize[i]) in source) {\n\t\t\t\t\thandleKey(key);\n\t\t\t\t\tkeys[key] = true;\n\t\t\t\t}\n\t\t\t}\n\t\t\tprocessed = keys;\n\t\t}\n\n\t\tObject.keys(source.__unfiltered || source).forEach(handleKey);\n\t\treturn dest;\n\t},\n\n\tisPlainValue: function(obj, asString) {\n\t\treturn Base.isPlainObject(obj) || Array.isArray(obj)\n\t\t\t\t|| asString && typeof obj === 'string';\n\t},\n\n\tserialize: function(obj, options, compact, dictionary) {\n\t\toptions = options || {};\n\n\t\tvar isRoot = !dictionary,\n\t\t\tres;\n\t\tif (isRoot) {\n\t\t\toptions.formatter = new Formatter(options.precision);\n\t\t\tdictionary = {\n\t\t\t\tlength: 0,\n\t\t\t\tdefinitions: {},\n\t\t\t\treferences: {},\n\t\t\t\tadd: function(item, create) {\n\t\t\t\t\tvar id = '#' + item._id,\n\t\t\t\t\t\tref = this.references[id];\n\t\t\t\t\tif (!ref) {\n\t\t\t\t\t\tthis.length++;\n\t\t\t\t\t\tvar res = create.call(item),\n\t\t\t\t\t\t\tname = item._class;\n\t\t\t\t\t\tif (name && res[0] !== name)\n\t\t\t\t\t\t\tres.unshift(name);\n\t\t\t\t\t\tthis.definitions[id] = res;\n\t\t\t\t\t\tref = this.references[id] = [id];\n\t\t\t\t\t}\n\t\t\t\t\treturn ref;\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t\tif (obj && obj._serialize) {\n\t\t\tres = obj._serialize(options, dictionary);\n\t\t\tvar name = obj._class;\n\t\t\tif (name && !obj._compactSerialize && (isRoot || !compact)\n\t\t\t\t\t&& res[0] !== name) {\n\t\t\t\tres.unshift(name);\n\t\t\t}\n\t\t} else if (Array.isArray(obj)) {\n\t\t\tres = [];\n\t\t\tfor (var i = 0, l = obj.length; i < l; i++)\n\t\t\t\tres[i] = Base.serialize(obj[i], options, compact, dictionary);\n\t\t} else if (Base.isPlainObject(obj)) {\n\t\t\tres = {};\n\t\t\tvar keys = Object.keys(obj);\n\t\t\tfor (var i = 0, l = keys.length; i < l; i++) {\n\t\t\t\tvar key = keys[i];\n\t\t\t\tres[key] = Base.serialize(obj[key], options, compact,\n\t\t\t\t\t\tdictionary);\n\t\t\t}\n\t\t} else if (typeof obj === 'number') {\n\t\t\tres = options.formatter.number(obj, options.precision);\n\t\t} else {\n\t\t\tres = obj;\n\t\t}\n\t\treturn isRoot && dictionary.length > 0\n\t\t\t\t? [['dictionary', dictionary.definitions], res]\n\t\t\t\t: res;\n\t},\n\n\tdeserialize: function(json, create, _data, _setDictionary, _isRoot) {\n\t\tvar res = json,\n\t\t\tisFirst = !_data,\n\t\t\thasDictionary = isFirst && json && json.length\n\t\t\t\t&& json[0][0] === 'dictionary';\n\t\t_data = _data || {};\n\t\tif (Array.isArray(json)) {\n\t\t\tvar type = json[0],\n\t\t\t\tisDictionary = type === 'dictionary';\n\t\t\tif (json.length == 1 && /^#/.test(type)) {\n\t\t\t\treturn _data.dictionary[type];\n\t\t\t}\n\t\t\ttype = Base.exports[type];\n\t\t\tres = [];\n\t\t\tfor (var i = type ? 1 : 0, l = json.length; i < l; i++) {\n\t\t\t\tres.push(Base.deserialize(json[i], create, _data,\n\t\t\t\t\t\tisDictionary, hasDictionary));\n\t\t\t}\n\t\t\tif (type) {\n\t\t\t\tvar args = res;\n\t\t\t\tif (create) {\n\t\t\t\t\tres = create(type, args, isFirst || _isRoot);\n\t\t\t\t} else {\n\t\t\t\t\tres = new type(args);\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (Base.isPlainObject(json)) {\n\t\t\tres = {};\n\t\t\tif (_setDictionary)\n\t\t\t\t_data.dictionary = res;\n\t\t\tfor (var key in json)\n\t\t\t\tres[key] = Base.deserialize(json[key], create, _data);\n\t\t}\n\t\treturn hasDictionary ? res[1] : res;\n\t},\n\n\texportJSON: function(obj, options) {\n\t\tvar json = Base.serialize(obj, options);\n\t\treturn options && options.asString == false\n\t\t\t\t? json\n\t\t\t\t: JSON.stringify(json);\n\t},\n\n\timportJSON: function(json, target) {\n\t\treturn Base.deserialize(\n\t\t\t\ttypeof json === 'string' ? JSON.parse(json) : json,\n\t\t\t\tfunction(ctor, args, isRoot) {\n\t\t\t\t\tvar useTarget = isRoot && target\n\t\t\t\t\t\t\t&& target.constructor === ctor,\n\t\t\t\t\t\tobj = useTarget ? target\n\t\t\t\t\t\t\t: Base.create(ctor.prototype);\n\t\t\t\t\tif (args.length === 1 && obj instanceof Item\n\t\t\t\t\t\t\t&& (useTarget || !(obj instanceof Layer))) {\n\t\t\t\t\t\tvar arg = args[0];\n\t\t\t\t\t\tif (Base.isPlainObject(arg)) {\n\t\t\t\t\t\t\targ.insert = false;\n\t\t\t\t\t\t\tif (useTarget) {\n\t\t\t\t\t\t\t\targs = args.concat([{ insert: true }]);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t(useTarget ? obj.set : ctor).apply(obj, args);\n\t\t\t\t\tif (useTarget)\n\t\t\t\t\t\ttarget = null;\n\t\t\t\t\treturn obj;\n\t\t\t\t});\n\t},\n\n\tpush: function(list, items) {\n\t\tvar itemsLength = items.length;\n\t\tif (itemsLength < 4096) {\n\t\t\tlist.push.apply(list, items);\n\t\t} else {\n\t\t\tvar startLength = list.length;\n\t\t\tlist.length += itemsLength;\n\t\t\tfor (var i = 0; i < itemsLength; i++) {\n\t\t\t\tlist[startLength + i] = items[i];\n\t\t\t}\n\t\t}\n\t\treturn list;\n\t},\n\n\tsplice: function(list, items, index, remove) {\n\t\tvar amount = items && items.length,\n\t\t\tappend = index === undefined;\n\t\tindex = append ? list.length : index;\n\t\tif (index > list.length)\n\t\t\tindex = list.length;\n\t\tfor (var i = 0; i < amount; i++)\n\t\t\titems[i]._index = index + i;\n\t\tif (append) {\n\t\t\tBase.push(list, items);\n\t\t\treturn [];\n\t\t} else {\n\t\t\tvar args = [index, remove];\n\t\t\tif (items)\n\t\t\t\tBase.push(args, items);\n\t\t\tvar removed = list.splice.apply(list, args);\n\t\t\tfor (var i = 0, l = removed.length; i < l; i++)\n\t\t\t\tremoved[i]._index = undefined;\n\t\t\tfor (var i = index + amount, l = list.length; i < l; i++)\n\t\t\t\tlist[i]._index = i;\n\t\t\treturn removed;\n\t\t}\n\t},\n\n\tcapitalize: function(str) {\n\t\treturn str.replace(/\\b[a-z]/g, function(match) {\n\t\t\treturn match.toUpperCase();\n\t\t});\n\t},\n\n\tcamelize: function(str) {\n\t\treturn str.replace(/-(.)/g, function(match, chr) {\n\t\t\treturn chr.toUpperCase();\n\t\t});\n\t},\n\n\thyphenate: function(str) {\n\t\treturn str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();\n\t}\n}});\n\nvar Emitter = {\n\ton: function(type, func) {\n\t\tif (typeof type !== 'string') {\n\t\t\tBase.each(type, function(value, key) {\n\t\t\t\tthis.on(key, value);\n\t\t\t}, this);\n\t\t} else {\n\t\t\tvar types = this._eventTypes,\n\t\t\t\tentry = types && types[type],\n\t\t\t\thandlers = this._callbacks = this._callbacks || {};\n\t\t\thandlers = handlers[type] = handlers[type] || [];\n\t\t\tif (handlers.indexOf(func) === -1) {\n\t\t\t\thandlers.push(func);\n\t\t\t\tif (entry && entry.install && handlers.length === 1)\n\t\t\t\t\tentry.install.call(this, type);\n\t\t\t}\n\t\t}\n\t\treturn this;\n\t},\n\n\toff: function(type, func) {\n\t\tif (typeof type !== 'string') {\n\t\t\tBase.each(type, function(value, key) {\n\t\t\t\tthis.off(key, value);\n\t\t\t}, this);\n\t\t\treturn;\n\t\t}\n\t\tvar types = this._eventTypes,\n\t\t\tentry = types && types[type],\n\t\t\thandlers = this._callbacks && this._callbacks[type],\n\t\t\tindex;\n\t\tif (handlers) {\n\t\t\tif (!func || (index = handlers.indexOf(func)) !== -1\n\t\t\t\t\t&& handlers.length === 1) {\n\t\t\t\tif (entry && entry.uninstall)\n\t\t\t\t\tentry.uninstall.call(this, type);\n\t\t\t\tdelete this._callbacks[type];\n\t\t\t} else if (index !== -1) {\n\t\t\t\thandlers.splice(index, 1);\n\t\t\t}\n\t\t}\n\t\treturn this;\n\t},\n\n\tonce: function(type, func) {\n\t\treturn this.on(type, function handler() {\n\t\t\tfunc.apply(this, arguments);\n\t\t\tthis.off(type, handler);\n\t\t});\n\t},\n\n\temit: function(type, event) {\n\t\tvar handlers = this._callbacks && this._callbacks[type];\n\t\tif (!handlers)\n\t\t\treturn false;\n\t\tvar args = Base.slice(arguments, 1),\n\t\t\tsetTarget = event && event.target && !event.currentTarget;\n\t\thandlers = handlers.slice();\n\t\tif (setTarget)\n\t\t\tevent.currentTarget = this;\n\t\tfor (var i = 0, l = handlers.length; i < l; i++) {\n\t\t\tif (handlers[i].apply(this, args) == false) {\n\t\t\t\tif (event && event.stop)\n\t\t\t\t\tevent.stop();\n\t\t\t\tbreak;\n\t\t   }\n\t\t}\n\t\tif (setTarget)\n\t\t\tdelete event.currentTarget;\n\t\treturn true;\n\t},\n\n\tresponds: function(type) {\n\t\treturn !!(this._callbacks && this._callbacks[type]);\n\t},\n\n\tattach: '#on',\n\tdetach: '#off',\n\tfire: '#emit',\n\n\t_installEvents: function(install) {\n\t\tvar types = this._eventTypes,\n\t\t\thandlers = this._callbacks,\n\t\t\tkey = install ? 'install' : 'uninstall';\n\t\tif (types) {\n\t\t\tfor (var type in handlers) {\n\t\t\t\tif (handlers[type].length > 0) {\n\t\t\t\t\tvar entry = types[type],\n\t\t\t\t\t\tfunc = entry && entry[key];\n\t\t\t\t\tif (func)\n\t\t\t\t\t\tfunc.call(this, type);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\tstatics: {\n\t\tinject: function inject(src) {\n\t\t\tvar events = src._events;\n\t\t\tif (events) {\n\t\t\t\tvar types = {};\n\t\t\t\tBase.each(events, function(entry, key) {\n\t\t\t\t\tvar isString = typeof entry === 'string',\n\t\t\t\t\t\tname = isString ? entry : key,\n\t\t\t\t\t\tpart = Base.capitalize(name),\n\t\t\t\t\t\ttype = name.substring(2).toLowerCase();\n\t\t\t\t\ttypes[type] = isString ? {} : entry;\n\t\t\t\t\tname = '_' + name;\n\t\t\t\t\tsrc['get' + part] = function() {\n\t\t\t\t\t\treturn this[name];\n\t\t\t\t\t};\n\t\t\t\t\tsrc['set' + part] = function(func) {\n\t\t\t\t\t\tvar prev = this[name];\n\t\t\t\t\t\tif (prev)\n\t\t\t\t\t\t\tthis.off(type, prev);\n\t\t\t\t\t\tif (func)\n\t\t\t\t\t\t\tthis.on(type, func);\n\t\t\t\t\t\tthis[name] = func;\n\t\t\t\t\t};\n\t\t\t\t});\n\t\t\t\tsrc._eventTypes = types;\n\t\t\t}\n\t\t\treturn inject.base.apply(this, arguments);\n\t\t}\n\t}\n};\n\nvar PaperScope = Base.extend({\n\t_class: 'PaperScope',\n\n\tinitialize: function PaperScope() {\n\t\tpaper = this;\n\t\tthis.settings = new Base({\n\t\t\tapplyMatrix: true,\n\t\t\tinsertItems: true,\n\t\t\thandleSize: 4,\n\t\t\thitTolerance: 0\n\t\t});\n\t\tthis.project = null;\n\t\tthis.projects = [];\n\t\tthis.tools = [];\n\t\tthis._id = PaperScope._id++;\n\t\tPaperScope._scopes[this._id] = this;\n\t\tvar proto = PaperScope.prototype;\n\t\tif (!this.support) {\n\t\t\tvar ctx = CanvasProvider.getContext(1, 1) || {};\n\t\t\tproto.support = {\n\t\t\t\tnativeDash: 'setLineDash' in ctx || 'mozDash' in ctx,\n\t\t\t\tnativeBlendModes: BlendMode.nativeModes\n\t\t\t};\n\t\t\tCanvasProvider.release(ctx);\n\t\t}\n\t\tif (!this.agent) {\n\t\t\tvar user = self.navigator.userAgent.toLowerCase(),\n\t\t\t\tos = (/(darwin|win|mac|linux|freebsd|sunos)/.exec(user)||[])[0],\n\t\t\t\tplatform = os === 'darwin' ? 'mac' : os,\n\t\t\t\tagent = proto.agent = proto.browser = { platform: platform };\n\t\t\tif (platform)\n\t\t\t\tagent[platform] = true;\n\t\t\tuser.replace(\n\t\t\t\t/(opera|chrome|safari|webkit|firefox|msie|trident|atom|node|jsdom)\\/?\\s*([.\\d]+)(?:.*version\\/([.\\d]+))?(?:.*rv\\:v?([.\\d]+))?/g,\n\t\t\t\tfunction(match, n, v1, v2, rv) {\n\t\t\t\t\tif (!agent.chrome) {\n\t\t\t\t\t\tvar v = n === 'opera' ? v2 :\n\t\t\t\t\t\t\t\t/^(node|trident)$/.test(n) ? rv : v1;\n\t\t\t\t\t\tagent.version = v;\n\t\t\t\t\t\tagent.versionNumber = parseFloat(v);\n\t\t\t\t\t\tn = { trident: 'msie', jsdom: 'node' }[n] || n;\n\t\t\t\t\t\tagent.name = n;\n\t\t\t\t\t\tagent[n] = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t);\n\t\t\tif (agent.chrome)\n\t\t\t\tdelete agent.webkit;\n\t\t\tif (agent.atom)\n\t\t\t\tdelete agent.chrome;\n\t\t}\n\t},\n\n\tversion: \"0.12.15\",\n\n\tgetView: function() {\n\t\tvar project = this.project;\n\t\treturn project && project._view;\n\t},\n\n\tgetPaper: function() {\n\t\treturn this;\n\t},\n\n\texecute: function(code, options) {\n\t},\n\n\tinstall: function(scope) {\n\t\tvar that = this;\n\t\tBase.each(['project', 'view', 'tool'], function(key) {\n\t\t\tBase.define(scope, key, {\n\t\t\t\tconfigurable: true,\n\t\t\t\tget: function() {\n\t\t\t\t\treturn that[key];\n\t\t\t\t}\n\t\t\t});\n\t\t});\n\t\tfor (var key in this)\n\t\t\tif (!/^_/.test(key) && this[key])\n\t\t\t\tscope[key] = this[key];\n\t},\n\n\tsetup: function(element) {\n\t\tpaper = this;\n\t\tthis.project = new Project(element);\n\t\treturn this;\n\t},\n\n\tcreateCanvas: function(width, height) {\n\t\treturn CanvasProvider.getCanvas(width, height);\n\t},\n\n\tactivate: function() {\n\t\tpaper = this;\n\t},\n\n\tclear: function() {\n\t\tvar projects = this.projects,\n\t\t\ttools = this.tools;\n\t\tfor (var i = projects.length - 1; i >= 0; i--)\n\t\t\tprojects[i].remove();\n\t\tfor (var i = tools.length - 1; i >= 0; i--)\n\t\t\ttools[i].remove();\n\t},\n\n\tremove: function() {\n\t\tthis.clear();\n\t\tdelete PaperScope._scopes[this._id];\n\t},\n\n\tstatics: new function() {\n\t\tfunction handleAttribute(name) {\n\t\t\tname += 'Attribute';\n\t\t\treturn function(el, attr) {\n\t\t\t\treturn el[name](attr) || el[name]('data-paper-' + attr);\n\t\t\t};\n\t\t}\n\n\t\treturn {\n\t\t\t_scopes: {},\n\t\t\t_id: 0,\n\n\t\t\tget: function(id) {\n\t\t\t\treturn this._scopes[id] || null;\n\t\t\t},\n\n\t\t\tgetAttribute: handleAttribute('get'),\n\t\t\thasAttribute: handleAttribute('has')\n\t\t};\n\t}\n});\n\nvar PaperScopeItem = Base.extend(Emitter, {\n\n\tinitialize: function(activate) {\n\t\tthis._scope = paper;\n\t\tthis._index = this._scope[this._list].push(this) - 1;\n\t\tif (activate || !this._scope[this._reference])\n\t\t\tthis.activate();\n\t},\n\n\tactivate: function() {\n\t\tif (!this._scope)\n\t\t\treturn false;\n\t\tvar prev = this._scope[this._reference];\n\t\tif (prev && prev !== this)\n\t\t\tprev.emit('deactivate');\n\t\tthis._scope[this._reference] = this;\n\t\tthis.emit('activate', prev);\n\t\treturn true;\n\t},\n\n\tisActive: function() {\n\t\treturn this._scope[this._reference] === this;\n\t},\n\n\tremove: function() {\n\t\tif (this._index == null)\n\t\t\treturn false;\n\t\tBase.splice(this._scope[this._list], null, this._index, 1);\n\t\tif (this._scope[this._reference] == this)\n\t\t\tthis._scope[this._reference] = null;\n\t\tthis._scope = null;\n\t\treturn true;\n\t},\n\n\tgetView: function() {\n\t\treturn this._scope.getView();\n\t}\n});\n\nvar CollisionDetection = {\n\tfindItemBoundsCollisions: function(items1, items2, tolerance) {\n\t\tfunction getBounds(items) {\n\t\t\tvar bounds = new Array(items.length);\n\t\t\tfor (var i = 0; i < items.length; i++) {\n\t\t\t\tvar rect = items[i].getBounds();\n\t\t\t\tbounds[i] = [rect.left, rect.top, rect.right, rect.bottom];\n\t\t\t}\n\t\t\treturn bounds;\n\t\t}\n\n\t\tvar bounds1 = getBounds(items1),\n\t\t\tbounds2 = !items2 || items2 === items1\n\t\t\t\t? bounds1\n\t\t\t\t: getBounds(items2);\n\t\treturn this.findBoundsCollisions(bounds1, bounds2, tolerance || 0);\n\t},\n\n\tfindCurveBoundsCollisions: function(curves1, curves2, tolerance, bothAxis) {\n\t\tfunction getBounds(curves) {\n\t\t\tvar min = Math.min,\n\t\t\t\tmax = Math.max,\n\t\t\t\tbounds = new Array(curves.length);\n\t\t\tfor (var i = 0; i < curves.length; i++) {\n\t\t\t\tvar v = curves[i];\n\t\t\t\tbounds[i] = [\n\t\t\t\t\tmin(v[0], v[2], v[4], v[6]),\n\t\t\t\t\tmin(v[1], v[3], v[5], v[7]),\n\t\t\t\t\tmax(v[0], v[2], v[4], v[6]),\n\t\t\t\t\tmax(v[1], v[3], v[5], v[7])\n\t\t\t\t];\n\t\t\t}\n\t\t\treturn bounds;\n\t\t}\n\n\t\tvar bounds1 = getBounds(curves1),\n\t\t\tbounds2 = !curves2 || curves2 === curves1\n\t\t\t\t? bounds1\n\t\t\t\t: getBounds(curves2);\n\t\tif (bothAxis) {\n\t\t\tvar hor = this.findBoundsCollisions(\n\t\t\t\t\tbounds1, bounds2, tolerance || 0, false, true),\n\t\t\t\tver = this.findBoundsCollisions(\n\t\t\t\t\tbounds1, bounds2, tolerance || 0, true, true),\n\t\t\t\tlist = [];\n\t\t\tfor (var i = 0, l = hor.length; i < l; i++) {\n\t\t\t\tlist[i] = { hor: hor[i], ver: ver[i] };\n\t\t\t}\n\t\t\treturn list;\n\t\t}\n\t\treturn this.findBoundsCollisions(bounds1, bounds2, tolerance || 0);\n\t},\n\n\tfindBoundsCollisions: function(boundsA, boundsB, tolerance,\n\t\tsweepVertical, onlySweepAxisCollisions) {\n\t\tvar self = !boundsB || boundsA === boundsB,\n\t\t\tallBounds = self ? boundsA : boundsA.concat(boundsB),\n\t\t\tlengthA = boundsA.length,\n\t\t\tlengthAll = allBounds.length;\n\n\t\tfunction binarySearch(indices, coord, value) {\n\t\t\tvar lo = 0,\n\t\t\t\thi = indices.length;\n\t\t\twhile (lo < hi) {\n\t\t\t\tvar mid = (hi + lo) >>> 1;\n\t\t\t\tif (allBounds[indices[mid]][coord] < value) {\n\t\t\t\t\tlo = mid + 1;\n\t\t\t\t} else {\n\t\t\t\t\thi = mid;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn lo - 1;\n\t\t}\n\n\t\tvar pri0 = sweepVertical ? 1 : 0,\n\t\t\tpri1 = pri0 + 2,\n\t\t\tsec0 = sweepVertical ? 0 : 1,\n\t\t\tsec1 = sec0 + 2;\n\t\tvar allIndicesByPri0 = new Array(lengthAll);\n\t\tfor (var i = 0; i < lengthAll; i++) {\n\t\t\tallIndicesByPri0[i] = i;\n\t\t}\n\t\tallIndicesByPri0.sort(function(i1, i2) {\n\t\t\treturn allBounds[i1][pri0] - allBounds[i2][pri0];\n\t\t});\n\t\tvar activeIndicesByPri1 = [],\n\t\t\tallCollisions = new Array(lengthA);\n\t\tfor (var i = 0; i < lengthAll; i++) {\n\t\t\tvar curIndex = allIndicesByPri0[i],\n\t\t\t\tcurBounds = allBounds[curIndex],\n\t\t\t\torigIndex = self ? curIndex : curIndex - lengthA,\n\t\t\t\tisCurrentA = curIndex < lengthA,\n\t\t\t\tisCurrentB = self || !isCurrentA,\n\t\t\t\tcurCollisions = isCurrentA ? [] : null;\n\t\t\tif (activeIndicesByPri1.length) {\n\t\t\t\tvar pruneCount = binarySearch(activeIndicesByPri1, pri1,\n\t\t\t\t\t\tcurBounds[pri0] - tolerance) + 1;\n\t\t\t\tactiveIndicesByPri1.splice(0, pruneCount);\n\t\t\t\tif (self && onlySweepAxisCollisions) {\n\t\t\t\t\tcurCollisions = curCollisions.concat(activeIndicesByPri1);\n\t\t\t\t\tfor (var j = 0; j < activeIndicesByPri1.length; j++) {\n\t\t\t\t\t\tvar activeIndex = activeIndicesByPri1[j];\n\t\t\t\t\t\tallCollisions[activeIndex].push(origIndex);\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tvar curSec1 = curBounds[sec1],\n\t\t\t\t\t\tcurSec0 = curBounds[sec0];\n\t\t\t\t\tfor (var j = 0; j < activeIndicesByPri1.length; j++) {\n\t\t\t\t\t\tvar activeIndex = activeIndicesByPri1[j],\n\t\t\t\t\t\t\tactiveBounds = allBounds[activeIndex],\n\t\t\t\t\t\t\tisActiveA = activeIndex < lengthA,\n\t\t\t\t\t\t\tisActiveB = self || activeIndex >= lengthA;\n\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tonlySweepAxisCollisions ||\n\t\t\t\t\t\t\t(\n\t\t\t\t\t\t\t\tisCurrentA && isActiveB ||\n\t\t\t\t\t\t\t\tisCurrentB && isActiveA\n\t\t\t\t\t\t\t) && (\n\t\t\t\t\t\t\t\tcurSec1 >= activeBounds[sec0] - tolerance &&\n\t\t\t\t\t\t\t\tcurSec0 <= activeBounds[sec1] + tolerance\n\t\t\t\t\t\t\t)\n\t\t\t\t\t\t) {\n\t\t\t\t\t\t\tif (isCurrentA && isActiveB) {\n\t\t\t\t\t\t\t\tcurCollisions.push(\n\t\t\t\t\t\t\t\t\tself ? activeIndex : activeIndex - lengthA);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif (isCurrentB && isActiveA) {\n\t\t\t\t\t\t\t\tallCollisions[activeIndex].push(origIndex);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (isCurrentA) {\n\t\t\t\tif (boundsA === boundsB) {\n\t\t\t\t\tcurCollisions.push(curIndex);\n\t\t\t\t}\n\t\t\t\tallCollisions[curIndex] = curCollisions;\n\t\t\t}\n\t\t\tif (activeIndicesByPri1.length) {\n\t\t\t\tvar curPri1 = curBounds[pri1],\n\t\t\t\t\tindex = binarySearch(activeIndicesByPri1, pri1, curPri1);\n\t\t\t\tactiveIndicesByPri1.splice(index + 1, 0, curIndex);\n\t\t\t} else {\n\t\t\t\tactiveIndicesByPri1.push(curIndex);\n\t\t\t}\n\t\t}\n\t\tfor (var i = 0; i < allCollisions.length; i++) {\n\t\t\tvar collisions = allCollisions[i];\n\t\t\tif (collisions) {\n\t\t\t\tcollisions.sort(function(i1, i2) { return i1 - i2; });\n\t\t\t}\n\t\t}\n\t\treturn allCollisions;\n\t}\n};\n\nvar Formatter = Base.extend({\n\tinitialize: function(precision) {\n\t\tthis.precision = Base.pick(precision, 5);\n\t\tthis.multiplier = Math.pow(10, this.precision);\n\t},\n\n\tnumber: function(val) {\n\t\treturn this.precision < 16\n\t\t\t\t? Math.round(val * this.multiplier) / this.multiplier : val;\n\t},\n\n\tpair: function(val1, val2, separator) {\n\t\treturn this.number(val1) + (separator || ',') + this.number(val2);\n\t},\n\n\tpoint: function(val, separator) {\n\t\treturn this.number(val.x) + (separator || ',') + this.number(val.y);\n\t},\n\n\tsize: function(val, separator) {\n\t\treturn this.number(val.width) + (separator || ',')\n\t\t\t\t+ this.number(val.height);\n\t},\n\n\trectangle: function(val, separator) {\n\t\treturn this.point(val, separator) + (separator || ',')\n\t\t\t\t+ this.size(val, separator);\n\t}\n});\n\nFormatter.instance = new Formatter();\n\nvar Numerical = new function() {\n\n\tvar abscissas = [\n\t\t[  0.5773502691896257645091488],\n\t\t[0,0.7745966692414833770358531],\n\t\t[  0.3399810435848562648026658,0.8611363115940525752239465],\n\t\t[0,0.5384693101056830910363144,0.9061798459386639927976269],\n\t\t[  0.2386191860831969086305017,0.6612093864662645136613996,0.9324695142031520278123016],\n\t\t[0,0.4058451513773971669066064,0.7415311855993944398638648,0.9491079123427585245261897],\n\t\t[  0.1834346424956498049394761,0.5255324099163289858177390,0.7966664774136267395915539,0.9602898564975362316835609],\n\t\t[0,0.3242534234038089290385380,0.6133714327005903973087020,0.8360311073266357942994298,0.9681602395076260898355762],\n\t\t[  0.1488743389816312108848260,0.4333953941292471907992659,0.6794095682990244062343274,0.8650633666889845107320967,0.9739065285171717200779640],\n\t\t[0,0.2695431559523449723315320,0.5190961292068118159257257,0.7301520055740493240934163,0.8870625997680952990751578,0.9782286581460569928039380],\n\t\t[  0.1252334085114689154724414,0.3678314989981801937526915,0.5873179542866174472967024,0.7699026741943046870368938,0.9041172563704748566784659,0.9815606342467192506905491],\n\t\t[0,0.2304583159551347940655281,0.4484927510364468528779129,0.6423493394403402206439846,0.8015780907333099127942065,0.9175983992229779652065478,0.9841830547185881494728294],\n\t\t[  0.1080549487073436620662447,0.3191123689278897604356718,0.5152486363581540919652907,0.6872929048116854701480198,0.8272013150697649931897947,0.9284348836635735173363911,0.9862838086968123388415973],\n\t\t[0,0.2011940939974345223006283,0.3941513470775633698972074,0.5709721726085388475372267,0.7244177313601700474161861,0.8482065834104272162006483,0.9372733924007059043077589,0.9879925180204854284895657],\n\t\t[  0.0950125098376374401853193,0.2816035507792589132304605,0.4580167776572273863424194,0.6178762444026437484466718,0.7554044083550030338951012,0.8656312023878317438804679,0.9445750230732325760779884,0.9894009349916499325961542]\n\t];\n\n\tvar weights = [\n\t\t[1],\n\t\t[0.8888888888888888888888889,0.5555555555555555555555556],\n\t\t[0.6521451548625461426269361,0.3478548451374538573730639],\n\t\t[0.5688888888888888888888889,0.4786286704993664680412915,0.2369268850561890875142640],\n\t\t[0.4679139345726910473898703,0.3607615730481386075698335,0.1713244923791703450402961],\n\t\t[0.4179591836734693877551020,0.3818300505051189449503698,0.2797053914892766679014678,0.1294849661688696932706114],\n\t\t[0.3626837833783619829651504,0.3137066458778872873379622,0.2223810344533744705443560,0.1012285362903762591525314],\n\t\t[0.3302393550012597631645251,0.3123470770400028400686304,0.2606106964029354623187429,0.1806481606948574040584720,0.0812743883615744119718922],\n\t\t[0.2955242247147528701738930,0.2692667193099963550912269,0.2190863625159820439955349,0.1494513491505805931457763,0.0666713443086881375935688],\n\t\t[0.2729250867779006307144835,0.2628045445102466621806889,0.2331937645919904799185237,0.1862902109277342514260976,0.1255803694649046246346943,0.0556685671161736664827537],\n\t\t[0.2491470458134027850005624,0.2334925365383548087608499,0.2031674267230659217490645,0.1600783285433462263346525,0.1069393259953184309602547,0.0471753363865118271946160],\n\t\t[0.2325515532308739101945895,0.2262831802628972384120902,0.2078160475368885023125232,0.1781459807619457382800467,0.1388735102197872384636018,0.0921214998377284479144218,0.0404840047653158795200216],\n\t\t[0.2152638534631577901958764,0.2051984637212956039659241,0.1855383974779378137417166,0.1572031671581935345696019,0.1215185706879031846894148,0.0801580871597602098056333,0.0351194603317518630318329],\n\t\t[0.2025782419255612728806202,0.1984314853271115764561183,0.1861610000155622110268006,0.1662692058169939335532009,0.1395706779261543144478048,0.1071592204671719350118695,0.0703660474881081247092674,0.0307532419961172683546284],\n\t\t[0.1894506104550684962853967,0.1826034150449235888667637,0.1691565193950025381893121,0.1495959888165767320815017,0.1246289712555338720524763,0.0951585116824927848099251,0.0622535239386478928628438,0.0271524594117540948517806]\n\t];\n\n\tvar abs = Math.abs,\n\t\tsqrt = Math.sqrt,\n\t\tpow = Math.pow,\n\t\tlog2 = Math.log2 || function(x) {\n\t\t\treturn Math.log(x) * Math.LOG2E;\n\t\t},\n\t\tEPSILON = 1e-12,\n\t\tMACHINE_EPSILON = 1.12e-16;\n\n\tfunction clamp(value, min, max) {\n\t\treturn value < min ? min : value > max ? max : value;\n\t}\n\n\tfunction getDiscriminant(a, b, c) {\n\t\tfunction split(v) {\n\t\t\tvar x = v * 134217729,\n\t\t\t\ty = v - x,\n\t\t\t\thi = y + x,\n\t\t\t\tlo = v - hi;\n\t\t\treturn [hi, lo];\n\t\t}\n\n\t\tvar D = b * b - a * c,\n\t\t\tE = b * b + a * c;\n\t\tif (abs(D) * 3 < E) {\n\t\t\tvar ad = split(a),\n\t\t\t\tbd = split(b),\n\t\t\t\tcd = split(c),\n\t\t\t\tp = b * b,\n\t\t\t\tdp = (bd[0] * bd[0] - p + 2 * bd[0] * bd[1]) + bd[1] * bd[1],\n\t\t\t\tq = a * c,\n\t\t\t\tdq = (ad[0] * cd[0] - q + ad[0] * cd[1] + ad[1] * cd[0])\n\t\t\t\t\t\t+ ad[1] * cd[1];\n\t\t\tD = (p - q) + (dp - dq);\n\t\t}\n\t\treturn D;\n\t}\n\n\tfunction getNormalizationFactor() {\n\t\tvar norm = Math.max.apply(Math, arguments);\n\t\treturn norm && (norm < 1e-8 || norm > 1e8)\n\t\t\t\t? pow(2, -Math.round(log2(norm)))\n\t\t\t\t: 0;\n\t}\n\n\treturn {\n\t\tEPSILON: EPSILON,\n\t\tMACHINE_EPSILON: MACHINE_EPSILON,\n\t\tCURVETIME_EPSILON: 1e-8,\n\t\tGEOMETRIC_EPSILON: 1e-7,\n\t\tTRIGONOMETRIC_EPSILON: 1e-8,\n\t\tKAPPA: 4 * (sqrt(2) - 1) / 3,\n\n\t\tisZero: function(val) {\n\t\t\treturn val >= -EPSILON && val <= EPSILON;\n\t\t},\n\n\t\tisMachineZero: function(val) {\n\t\t\treturn val >= -MACHINE_EPSILON && val <= MACHINE_EPSILON;\n\t\t},\n\n\t\tclamp: clamp,\n\n\t\tintegrate: function(f, a, b, n) {\n\t\t\tvar x = abscissas[n - 2],\n\t\t\t\tw = weights[n - 2],\n\t\t\t\tA = (b - a) * 0.5,\n\t\t\t\tB = A + a,\n\t\t\t\ti = 0,\n\t\t\t\tm = (n + 1) >> 1,\n\t\t\t\tsum = n & 1 ? w[i++] * f(B) : 0;\n\t\t\twhile (i < m) {\n\t\t\t\tvar Ax = A * x[i];\n\t\t\t\tsum += w[i++] * (f(B + Ax) + f(B - Ax));\n\t\t\t}\n\t\t\treturn A * sum;\n\t\t},\n\n\t\tfindRoot: function(f, df, x, a, b, n, tolerance) {\n\t\t\tfor (var i = 0; i < n; i++) {\n\t\t\t\tvar fx = f(x),\n\t\t\t\t\tdx = fx / df(x),\n\t\t\t\t\tnx = x - dx;\n\t\t\t\tif (abs(dx) < tolerance) {\n\t\t\t\t\tx = nx;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif (fx > 0) {\n\t\t\t\t\tb = x;\n\t\t\t\t\tx = nx <= a ? (a + b) * 0.5 : nx;\n\t\t\t\t} else {\n\t\t\t\t\ta = x;\n\t\t\t\t\tx = nx >= b ? (a + b) * 0.5 : nx;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn clamp(x, a, b);\n\t\t},\n\n\t\tsolveQuadratic: function(a, b, c, roots, min, max) {\n\t\t\tvar x1, x2 = Infinity;\n\t\t\tif (abs(a) < EPSILON) {\n\t\t\t\tif (abs(b) < EPSILON)\n\t\t\t\t\treturn abs(c) < EPSILON ? -1 : 0;\n\t\t\t\tx1 = -c / b;\n\t\t\t} else {\n\t\t\t\tb *= -0.5;\n\t\t\t\tvar D = getDiscriminant(a, b, c);\n\t\t\t\tif (D && abs(D) < MACHINE_EPSILON) {\n\t\t\t\t\tvar f = getNormalizationFactor(abs(a), abs(b), abs(c));\n\t\t\t\t\tif (f) {\n\t\t\t\t\t\ta *= f;\n\t\t\t\t\t\tb *= f;\n\t\t\t\t\t\tc *= f;\n\t\t\t\t\t\tD = getDiscriminant(a, b, c);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (D >= -MACHINE_EPSILON) {\n\t\t\t\t\tvar Q = D < 0 ? 0 : sqrt(D),\n\t\t\t\t\t\tR = b + (b < 0 ? -Q : Q);\n\t\t\t\t\tif (R === 0) {\n\t\t\t\t\t\tx1 = c / a;\n\t\t\t\t\t\tx2 = -x1;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tx1 = R / a;\n\t\t\t\t\t\tx2 = c / R;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tvar count = 0,\n\t\t\t\tboundless = min == null,\n\t\t\t\tminB = min - EPSILON,\n\t\t\t\tmaxB = max + EPSILON;\n\t\t\tif (isFinite(x1) && (boundless || x1 > minB && x1 < maxB))\n\t\t\t\troots[count++] = boundless ? x1 : clamp(x1, min, max);\n\t\t\tif (x2 !== x1\n\t\t\t\t\t&& isFinite(x2) && (boundless || x2 > minB && x2 < maxB))\n\t\t\t\troots[count++] = boundless ? x2 : clamp(x2, min, max);\n\t\t\treturn count;\n\t\t},\n\n\t\tsolveCubic: function(a, b, c, d, roots, min, max) {\n\t\t\tvar f = getNormalizationFactor(abs(a), abs(b), abs(c), abs(d)),\n\t\t\t\tx, b1, c2, qd, q;\n\t\t\tif (f) {\n\t\t\t\ta *= f;\n\t\t\t\tb *= f;\n\t\t\t\tc *= f;\n\t\t\t\td *= f;\n\t\t\t}\n\n\t\t\tfunction evaluate(x0) {\n\t\t\t\tx = x0;\n\t\t\t\tvar tmp = a * x;\n\t\t\t\tb1 = tmp + b;\n\t\t\t\tc2 = b1 * x + c;\n\t\t\t\tqd = (tmp + b1) * x + c2;\n\t\t\t\tq = c2 * x + d;\n\t\t\t}\n\n\t\t\tif (abs(a) < EPSILON) {\n\t\t\t\ta = b;\n\t\t\t\tb1 = c;\n\t\t\t\tc2 = d;\n\t\t\t\tx = Infinity;\n\t\t\t} else if (abs(d) < EPSILON) {\n\t\t\t\tb1 = b;\n\t\t\t\tc2 = c;\n\t\t\t\tx = 0;\n\t\t\t} else {\n\t\t\t\tevaluate(-(b / a) / 3);\n\t\t\t\tvar t = q / a,\n\t\t\t\t\tr = pow(abs(t), 1/3),\n\t\t\t\t\ts = t < 0 ? -1 : 1,\n\t\t\t\t\ttd = -qd / a,\n\t\t\t\t\trd = td > 0 ? 1.324717957244746 * Math.max(r, sqrt(td)) : r,\n\t\t\t\t\tx0 = x - s * rd;\n\t\t\t\tif (x0 !== x) {\n\t\t\t\t\tdo {\n\t\t\t\t\t\tevaluate(x0);\n\t\t\t\t\t\tx0 = qd === 0 ? x : x - q / qd / (1 + MACHINE_EPSILON);\n\t\t\t\t\t} while (s * x0 > s * x);\n\t\t\t\t\tif (abs(a) * x * x > abs(d / x)) {\n\t\t\t\t\t\tc2 = -d / x;\n\t\t\t\t\t\tb1 = (c2 - c) / x;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tvar count = Numerical.solveQuadratic(a, b1, c2, roots, min, max),\n\t\t\t\tboundless = min == null;\n\t\t\tif (isFinite(x) && (count === 0\n\t\t\t\t\t|| count > 0 && x !== roots[0] && x !== roots[1])\n\t\t\t\t\t&& (boundless || x > min - EPSILON && x < max + EPSILON))\n\t\t\t\troots[count++] = boundless ? x : clamp(x, min, max);\n\t\t\treturn count;\n\t\t}\n\t};\n};\n\nvar UID = {\n\t_id: 1,\n\t_pools: {},\n\n\tget: function(name) {\n\t\tif (name) {\n\t\t\tvar pool = this._pools[name];\n\t\t\tif (!pool)\n\t\t\t\tpool = this._pools[name] = { _id: 1 };\n\t\t\treturn pool._id++;\n\t\t} else {\n\t\t\treturn this._id++;\n\t\t}\n\t}\n};\n\nvar Point = Base.extend({\n\t_class: 'Point',\n\t_readIndex: true,\n\n\tinitialize: function Point(arg0, arg1) {\n\t\tvar type = typeof arg0,\n\t\t\treading = this.__read,\n\t\t\tread = 0;\n\t\tif (type === 'number') {\n\t\t\tvar hasY = typeof arg1 === 'number';\n\t\t\tthis._set(arg0, hasY ? arg1 : arg0);\n\t\t\tif (reading)\n\t\t\t\tread = hasY ? 2 : 1;\n\t\t} else if (type === 'undefined' || arg0 === null) {\n\t\t\tthis._set(0, 0);\n\t\t\tif (reading)\n\t\t\t\tread = arg0 === null ? 1 : 0;\n\t\t} else {\n\t\t\tvar obj = type === 'string' ? arg0.split(/[\\s,]+/) || [] : arg0;\n\t\t\tread = 1;\n\t\t\tif (Array.isArray(obj)) {\n\t\t\t\tthis._set(+obj[0], +(obj.length > 1 ? obj[1] : obj[0]));\n\t\t\t} else if ('x' in obj) {\n\t\t\t\tthis._set(obj.x || 0, obj.y || 0);\n\t\t\t} else if ('width' in obj) {\n\t\t\t\tthis._set(obj.width || 0, obj.height || 0);\n\t\t\t} else if ('angle' in obj) {\n\t\t\t\tthis._set(obj.length || 0, 0);\n\t\t\t\tthis.setAngle(obj.angle || 0);\n\t\t\t} else {\n\t\t\t\tthis._set(0, 0);\n\t\t\t\tread = 0;\n\t\t\t}\n\t\t}\n\t\tif (reading)\n\t\t\tthis.__read = read;\n\t\treturn this;\n\t},\n\n\tset: '#initialize',\n\n\t_set: function(x, y) {\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\treturn this;\n\t},\n\n\tequals: function(point) {\n\t\treturn this === point || point\n\t\t\t\t&& (this.x === point.x && this.y === point.y\n\t\t\t\t\t|| Array.isArray(point)\n\t\t\t\t\t\t&& this.x === point[0] && this.y === point[1])\n\t\t\t\t|| false;\n\t},\n\n\tclone: function() {\n\t\treturn new Point(this.x, this.y);\n\t},\n\n\ttoString: function() {\n\t\tvar f = Formatter.instance;\n\t\treturn '{ x: ' + f.number(this.x) + ', y: ' + f.number(this.y) + ' }';\n\t},\n\n\t_serialize: function(options) {\n\t\tvar f = options.formatter;\n\t\treturn [f.number(this.x), f.number(this.y)];\n\t},\n\n\tgetLength: function() {\n\t\treturn Math.sqrt(this.x * this.x + this.y * this.y);\n\t},\n\n\tsetLength: function(length) {\n\t\tif (this.isZero()) {\n\t\t\tvar angle = this._angle || 0;\n\t\t\tthis._set(\n\t\t\t\tMath.cos(angle) * length,\n\t\t\t\tMath.sin(angle) * length\n\t\t\t);\n\t\t} else {\n\t\t\tvar scale = length / this.getLength();\n\t\t\tif (Numerical.isZero(scale))\n\t\t\t\tthis.getAngle();\n\t\t\tthis._set(\n\t\t\t\tthis.x * scale,\n\t\t\t\tthis.y * scale\n\t\t\t);\n\t\t}\n\t},\n\tgetAngle: function() {\n\t\treturn this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI;\n\t},\n\n\tsetAngle: function(angle) {\n\t\tthis.setAngleInRadians.call(this, angle * Math.PI / 180);\n\t},\n\n\tgetAngleInDegrees: '#getAngle',\n\tsetAngleInDegrees: '#setAngle',\n\n\tgetAngleInRadians: function() {\n\t\tif (!arguments.length) {\n\t\t\treturn this.isZero()\n\t\t\t\t\t? this._angle || 0\n\t\t\t\t\t: this._angle = Math.atan2(this.y, this.x);\n\t\t} else {\n\t\t\tvar point = Point.read(arguments),\n\t\t\t\tdiv = this.getLength() * point.getLength();\n\t\t\tif (Numerical.isZero(div)) {\n\t\t\t\treturn NaN;\n\t\t\t} else {\n\t\t\t\tvar a = this.dot(point) / div;\n\t\t\t\treturn Math.acos(a < -1 ? -1 : a > 1 ? 1 : a);\n\t\t\t}\n\t\t}\n\t},\n\n\tsetAngleInRadians: function(angle) {\n\t\tthis._angle = angle;\n\t\tif (!this.isZero()) {\n\t\t\tvar length = this.getLength();\n\t\t\tthis._set(\n\t\t\t\tMath.cos(angle) * length,\n\t\t\t\tMath.sin(angle) * length\n\t\t\t);\n\t\t}\n\t},\n\n\tgetQuadrant: function() {\n\t\treturn this.x >= 0 ? this.y >= 0 ? 1 : 4 : this.y >= 0 ? 2 : 3;\n\t}\n}, {\n\tbeans: false,\n\n\tgetDirectedAngle: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI;\n\t},\n\n\tgetDistance: function() {\n\t\tvar args = arguments,\n\t\t\tpoint = Point.read(args),\n\t\t\tx = point.x - this.x,\n\t\t\ty = point.y - this.y,\n\t\t\td = x * x + y * y,\n\t\t\tsquared = Base.read(args);\n\t\treturn squared ? d : Math.sqrt(d);\n\t},\n\n\tnormalize: function(length) {\n\t\tif (length === undefined)\n\t\t\tlength = 1;\n\t\tvar current = this.getLength(),\n\t\t\tscale = current !== 0 ? length / current : 0,\n\t\t\tpoint = new Point(this.x * scale, this.y * scale);\n\t\tif (scale >= 0)\n\t\t\tpoint._angle = this._angle;\n\t\treturn point;\n\t},\n\n\trotate: function(angle, center) {\n\t\tif (angle === 0)\n\t\t\treturn this.clone();\n\t\tangle = angle * Math.PI / 180;\n\t\tvar point = center ? this.subtract(center) : this,\n\t\t\tsin = Math.sin(angle),\n\t\t\tcos = Math.cos(angle);\n\t\tpoint = new Point(\n\t\t\tpoint.x * cos - point.y * sin,\n\t\t\tpoint.x * sin + point.y * cos\n\t\t);\n\t\treturn center ? point.add(center) : point;\n\t},\n\n\ttransform: function(matrix) {\n\t\treturn matrix ? matrix._transformPoint(this) : this;\n\t},\n\n\tadd: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn new Point(this.x + point.x, this.y + point.y);\n\t},\n\n\tsubtract: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn new Point(this.x - point.x, this.y - point.y);\n\t},\n\n\tmultiply: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn new Point(this.x * point.x, this.y * point.y);\n\t},\n\n\tdivide: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn new Point(this.x / point.x, this.y / point.y);\n\t},\n\n\tmodulo: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn new Point(this.x % point.x, this.y % point.y);\n\t},\n\n\tnegate: function() {\n\t\treturn new Point(-this.x, -this.y);\n\t},\n\n\tisInside: function() {\n\t\treturn Rectangle.read(arguments).contains(this);\n\t},\n\n\tisClose: function() {\n\t\tvar args = arguments,\n\t\t\tpoint = Point.read(args),\n\t\t\ttolerance = Base.read(args);\n\t\treturn this.getDistance(point) <= tolerance;\n\t},\n\n\tisCollinear: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn Point.isCollinear(this.x, this.y, point.x, point.y);\n\t},\n\n\tisColinear: '#isCollinear',\n\n\tisOrthogonal: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn Point.isOrthogonal(this.x, this.y, point.x, point.y);\n\t},\n\n\tisZero: function() {\n\t\tvar isZero = Numerical.isZero;\n\t\treturn isZero(this.x) && isZero(this.y);\n\t},\n\n\tisNaN: function() {\n\t\treturn isNaN(this.x) || isNaN(this.y);\n\t},\n\n\tisInQuadrant: function(q) {\n\t\treturn this.x * (q > 1 && q < 4 ? -1 : 1) >= 0\n\t\t\t&& this.y * (q > 2 ? -1 : 1) >= 0;\n\t},\n\n\tdot: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn this.x * point.x + this.y * point.y;\n\t},\n\n\tcross: function() {\n\t\tvar point = Point.read(arguments);\n\t\treturn this.x * point.y - this.y * point.x;\n\t},\n\n\tproject: function() {\n\t\tvar point = Point.read(arguments),\n\t\t\tscale = point.isZero() ? 0 : this.dot(point) / point.dot(point);\n\t\treturn new Point(\n\t\t\tpoint.x * scale,\n\t\t\tpoint.y * scale\n\t\t);\n\t},\n\n\tstatics: {\n\t\tmin: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tpoint1 = Point.read(args),\n\t\t\t\tpoint2 = Point.read(args);\n\t\t\treturn new Point(\n\t\t\t\tMath.min(point1.x, point2.x),\n\t\t\t\tMath.min(point1.y, point2.y)\n\t\t\t);\n\t\t},\n\n\t\tmax: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tpoint1 = Point.read(args),\n\t\t\t\tpoint2 = Point.read(args);\n\t\t\treturn new Point(\n\t\t\t\tMath.max(point1.x, point2.x),\n\t\t\t\tMath.max(point1.y, point2.y)\n\t\t\t);\n\t\t},\n\n\t\trandom: function() {\n\t\t\treturn new Point(Math.random(), Math.random());\n\t\t},\n\n\t\tisCollinear: function(x1, y1, x2, y2) {\n\t\t\treturn Math.abs(x1 * y2 - y1 * x2)\n\t\t\t\t\t<= Math.sqrt((x1 * x1 + y1 * y1) * (x2 * x2 + y2 * y2))\n\t\t\t\t\t\t* 1e-8;\n\t\t},\n\n\t\tisOrthogonal: function(x1, y1, x2, y2) {\n\t\t\treturn Math.abs(x1 * x2 + y1 * y2)\n\t\t\t\t\t<= Math.sqrt((x1 * x1 + y1 * y1) * (x2 * x2 + y2 * y2))\n\t\t\t\t\t\t* 1e-8;\n\t\t}\n\t}\n}, Base.each(['round', 'ceil', 'floor', 'abs'], function(key) {\n\tvar op = Math[key];\n\tthis[key] = function() {\n\t\treturn new Point(op(this.x), op(this.y));\n\t};\n}, {}));\n\nvar LinkedPoint = Point.extend({\n\tinitialize: function Point(x, y, owner, setter) {\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._owner = owner;\n\t\tthis._setter = setter;\n\t},\n\n\t_set: function(x, y, _dontNotify) {\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tif (!_dontNotify)\n\t\t\tthis._owner[this._setter](this);\n\t\treturn this;\n\t},\n\n\tgetX: function() {\n\t\treturn this._x;\n\t},\n\n\tsetX: function(x) {\n\t\tthis._x = x;\n\t\tthis._owner[this._setter](this);\n\t},\n\n\tgetY: function() {\n\t\treturn this._y;\n\t},\n\n\tsetY: function(y) {\n\t\tthis._y = y;\n\t\tthis._owner[this._setter](this);\n\t},\n\n\tisSelected: function() {\n\t\treturn !!(this._owner._selection & this._getSelection());\n\t},\n\n\tsetSelected: function(selected) {\n\t\tthis._owner._changeSelection(this._getSelection(), selected);\n\t},\n\n\t_getSelection: function() {\n\t\treturn this._setter === 'setPosition' ? 4 : 0;\n\t}\n});\n\nvar Size = Base.extend({\n\t_class: 'Size',\n\t_readIndex: true,\n\n\tinitialize: function Size(arg0, arg1) {\n\t\tvar type = typeof arg0,\n\t\t\treading = this.__read,\n\t\t\tread = 0;\n\t\tif (type === 'number') {\n\t\t\tvar hasHeight = typeof arg1 === 'number';\n\t\t\tthis._set(arg0, hasHeight ? arg1 : arg0);\n\t\t\tif (reading)\n\t\t\t\tread = hasHeight ? 2 : 1;\n\t\t} else if (type === 'undefined' || arg0 === null) {\n\t\t\tthis._set(0, 0);\n\t\t\tif (reading)\n\t\t\t\tread = arg0 === null ? 1 : 0;\n\t\t} else {\n\t\t\tvar obj = type === 'string' ? arg0.split(/[\\s,]+/) || [] : arg0;\n\t\t\tread = 1;\n\t\t\tif (Array.isArray(obj)) {\n\t\t\t\tthis._set(+obj[0], +(obj.length > 1 ? obj[1] : obj[0]));\n\t\t\t} else if ('width' in obj) {\n\t\t\t\tthis._set(obj.width || 0, obj.height || 0);\n\t\t\t} else if ('x' in obj) {\n\t\t\t\tthis._set(obj.x || 0, obj.y || 0);\n\t\t\t} else {\n\t\t\t\tthis._set(0, 0);\n\t\t\t\tread = 0;\n\t\t\t}\n\t\t}\n\t\tif (reading)\n\t\t\tthis.__read = read;\n\t\treturn this;\n\t},\n\n\tset: '#initialize',\n\n\t_set: function(width, height) {\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\treturn this;\n\t},\n\n\tequals: function(size) {\n\t\treturn size === this || size && (this.width === size.width\n\t\t\t\t&& this.height === size.height\n\t\t\t\t|| Array.isArray(size) && this.width === size[0]\n\t\t\t\t\t&& this.height === size[1]) || false;\n\t},\n\n\tclone: function() {\n\t\treturn new Size(this.width, this.height);\n\t},\n\n\ttoString: function() {\n\t\tvar f = Formatter.instance;\n\t\treturn '{ width: ' + f.number(this.width)\n\t\t\t\t+ ', height: ' + f.number(this.height) + ' }';\n\t},\n\n\t_serialize: function(options) {\n\t\tvar f = options.formatter;\n\t\treturn [f.number(this.width),\n\t\t\t\tf.number(this.height)];\n\t},\n\n\tadd: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn new Size(this.width + size.width, this.height + size.height);\n\t},\n\n\tsubtract: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn new Size(this.width - size.width, this.height - size.height);\n\t},\n\n\tmultiply: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn new Size(this.width * size.width, this.height * size.height);\n\t},\n\n\tdivide: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn new Size(this.width / size.width, this.height / size.height);\n\t},\n\n\tmodulo: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn new Size(this.width % size.width, this.height % size.height);\n\t},\n\n\tnegate: function() {\n\t\treturn new Size(-this.width, -this.height);\n\t},\n\n\tisZero: function() {\n\t\tvar isZero = Numerical.isZero;\n\t\treturn isZero(this.width) && isZero(this.height);\n\t},\n\n\tisNaN: function() {\n\t\treturn isNaN(this.width) || isNaN(this.height);\n\t},\n\n\tstatics: {\n\t\tmin: function(size1, size2) {\n\t\t\treturn new Size(\n\t\t\t\tMath.min(size1.width, size2.width),\n\t\t\t\tMath.min(size1.height, size2.height));\n\t\t},\n\n\t\tmax: function(size1, size2) {\n\t\t\treturn new Size(\n\t\t\t\tMath.max(size1.width, size2.width),\n\t\t\t\tMath.max(size1.height, size2.height));\n\t\t},\n\n\t\trandom: function() {\n\t\t\treturn new Size(Math.random(), Math.random());\n\t\t}\n\t}\n}, Base.each(['round', 'ceil', 'floor', 'abs'], function(key) {\n\tvar op = Math[key];\n\tthis[key] = function() {\n\t\treturn new Size(op(this.width), op(this.height));\n\t};\n}, {}));\n\nvar LinkedSize = Size.extend({\n\tinitialize: function Size(width, height, owner, setter) {\n\t\tthis._width = width;\n\t\tthis._height = height;\n\t\tthis._owner = owner;\n\t\tthis._setter = setter;\n\t},\n\n\t_set: function(width, height, _dontNotify) {\n\t\tthis._width = width;\n\t\tthis._height = height;\n\t\tif (!_dontNotify)\n\t\t\tthis._owner[this._setter](this);\n\t\treturn this;\n\t},\n\n\tgetWidth: function() {\n\t\treturn this._width;\n\t},\n\n\tsetWidth: function(width) {\n\t\tthis._width = width;\n\t\tthis._owner[this._setter](this);\n\t},\n\n\tgetHeight: function() {\n\t\treturn this._height;\n\t},\n\n\tsetHeight: function(height) {\n\t\tthis._height = height;\n\t\tthis._owner[this._setter](this);\n\t}\n});\n\nvar Rectangle = Base.extend({\n\t_class: 'Rectangle',\n\t_readIndex: true,\n\tbeans: true,\n\n\tinitialize: function Rectangle(arg0, arg1, arg2, arg3) {\n\t\tvar args = arguments,\n\t\t\ttype = typeof arg0,\n\t\t\tread;\n\t\tif (type === 'number') {\n\t\t\tthis._set(arg0, arg1, arg2, arg3);\n\t\t\tread = 4;\n\t\t} else if (type === 'undefined' || arg0 === null) {\n\t\t\tthis._set(0, 0, 0, 0);\n\t\t\tread = arg0 === null ? 1 : 0;\n\t\t} else if (args.length === 1) {\n\t\t\tif (Array.isArray(arg0)) {\n\t\t\t\tthis._set.apply(this, arg0);\n\t\t\t\tread = 1;\n\t\t\t} else if (arg0.x !== undefined || arg0.width !== undefined) {\n\t\t\t\tthis._set(arg0.x || 0, arg0.y || 0,\n\t\t\t\t\t\targ0.width || 0, arg0.height || 0);\n\t\t\t\tread = 1;\n\t\t\t} else if (arg0.from === undefined && arg0.to === undefined) {\n\t\t\t\tthis._set(0, 0, 0, 0);\n\t\t\t\tif (Base.readSupported(args, this)) {\n\t\t\t\t\tread = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (read === undefined) {\n\t\t\tvar frm = Point.readNamed(args, 'from'),\n\t\t\t\tnext = Base.peek(args),\n\t\t\t\tx = frm.x,\n\t\t\t\ty = frm.y,\n\t\t\t\twidth,\n\t\t\t\theight;\n\t\t\tif (next && next.x !== undefined || Base.hasNamed(args, 'to')) {\n\t\t\t\tvar to = Point.readNamed(args, 'to');\n\t\t\t\twidth = to.x - x;\n\t\t\t\theight = to.y - y;\n\t\t\t\tif (width < 0) {\n\t\t\t\t\tx = to.x;\n\t\t\t\t\twidth = -width;\n\t\t\t\t}\n\t\t\t\tif (height < 0) {\n\t\t\t\t\ty = to.y;\n\t\t\t\t\theight = -height;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tvar size = Size.read(args);\n\t\t\t\twidth = size.width;\n\t\t\t\theight = size.height;\n\t\t\t}\n\t\t\tthis._set(x, y, width, height);\n\t\t\tread = args.__index;\n\t\t}\n\t\tvar filtered = args.__filtered;\n\t\tif (filtered)\n\t\t\tthis.__filtered = filtered;\n\t\tif (this.__read)\n\t\t\tthis.__read = read;\n\t\treturn this;\n\t},\n\n\tset: '#initialize',\n\n\t_set: function(x, y, width, height) {\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\treturn this;\n\t},\n\n\tclone: function() {\n\t\treturn new Rectangle(this.x, this.y, this.width, this.height);\n\t},\n\n\tequals: function(rect) {\n\t\tvar rt = Base.isPlainValue(rect)\n\t\t\t\t? Rectangle.read(arguments)\n\t\t\t\t: rect;\n\t\treturn rt === this\n\t\t\t\t|| rt && this.x === rt.x && this.y === rt.y\n\t\t\t\t\t&& this.width === rt.width && this.height === rt.height\n\t\t\t\t|| false;\n\t},\n\n\ttoString: function() {\n\t\tvar f = Formatter.instance;\n\t\treturn '{ x: ' + f.number(this.x)\n\t\t\t\t+ ', y: ' + f.number(this.y)\n\t\t\t\t+ ', width: ' + f.number(this.width)\n\t\t\t\t+ ', height: ' + f.number(this.height)\n\t\t\t\t+ ' }';\n\t},\n\n\t_serialize: function(options) {\n\t\tvar f = options.formatter;\n\t\treturn [f.number(this.x),\n\t\t\t\tf.number(this.y),\n\t\t\t\tf.number(this.width),\n\t\t\t\tf.number(this.height)];\n\t},\n\n\tgetPoint: function(_dontLink) {\n\t\tvar ctor = _dontLink ? Point : LinkedPoint;\n\t\treturn new ctor(this.x, this.y, this, 'setPoint');\n\t},\n\n\tsetPoint: function() {\n\t\tvar point = Point.read(arguments);\n\t\tthis.x = point.x;\n\t\tthis.y = point.y;\n\t},\n\n\tgetSize: function(_dontLink) {\n\t\tvar ctor = _dontLink ? Size : LinkedSize;\n\t\treturn new ctor(this.width, this.height, this, 'setSize');\n\t},\n\n\t_fw: 1,\n\t_fh: 1,\n\n\tsetSize: function() {\n\t\tvar size = Size.read(arguments),\n\t\t\tsx = this._sx,\n\t\t\tsy = this._sy,\n\t\t\tw = size.width,\n\t\t\th = size.height;\n\t\tif (sx) {\n\t\t\tthis.x += (this.width - w) * sx;\n\t\t}\n\t\tif (sy) {\n\t\t\tthis.y += (this.height - h) * sy;\n\t\t}\n\t\tthis.width = w;\n\t\tthis.height = h;\n\t\tthis._fw = this._fh = 1;\n\t},\n\n\tgetLeft: function() {\n\t\treturn this.x;\n\t},\n\n\tsetLeft: function(left) {\n\t\tif (!this._fw) {\n\t\t\tvar amount = left - this.x;\n\t\t\tthis.width -= this._sx === 0.5 ? amount * 2 : amount;\n\t\t}\n\t\tthis.x = left;\n\t\tthis._sx = this._fw = 0;\n\t},\n\n\tgetTop: function() {\n\t\treturn this.y;\n\t},\n\n\tsetTop: function(top) {\n\t\tif (!this._fh) {\n\t\t\tvar amount = top - this.y;\n\t\t\tthis.height -= this._sy === 0.5 ? amount * 2 : amount;\n\t\t}\n\t\tthis.y = top;\n\t\tthis._sy = this._fh = 0;\n\t},\n\n\tgetRight: function() {\n\t\treturn this.x + this.width;\n\t},\n\n\tsetRight: function(right) {\n\t\tif (!this._fw) {\n\t\t\tvar amount = right - this.x;\n\t\t\tthis.width = this._sx === 0.5 ? amount * 2 : amount;\n\t\t}\n\t\tthis.x = right - this.width;\n\t\tthis._sx = 1;\n\t\tthis._fw = 0;\n\t},\n\n\tgetBottom: function() {\n\t\treturn this.y + this.height;\n\t},\n\n\tsetBottom: function(bottom) {\n\t\tif (!this._fh) {\n\t\t\tvar amount = bottom - this.y;\n\t\t\tthis.height = this._sy === 0.5 ? amount * 2 : amount;\n\t\t}\n\t\tthis.y = bottom - this.height;\n\t\tthis._sy = 1;\n\t\tthis._fh = 0;\n\t},\n\n\tgetCenterX: function() {\n\t\treturn this.x + this.width / 2;\n\t},\n\n\tsetCenterX: function(x) {\n\t\tif (this._fw || this._sx === 0.5) {\n\t\t\tthis.x = x - this.width / 2;\n\t\t} else {\n\t\t\tif (this._sx) {\n\t\t\t\tthis.x += (x - this.x) * 2 * this._sx;\n\t\t\t}\n\t\t\tthis.width = (x - this.x) * 2;\n\t\t}\n\t\tthis._sx = 0.5;\n\t\tthis._fw = 0;\n\t},\n\n\tgetCenterY: function() {\n\t\treturn this.y + this.height / 2;\n\t},\n\n\tsetCenterY: function(y) {\n\t\tif (this._fh || this._sy === 0.5) {\n\t\t\tthis.y = y - this.height / 2;\n\t\t} else {\n\t\t\tif (this._sy) {\n\t\t\t\tthis.y += (y - this.y) * 2 * this._sy;\n\t\t\t}\n\t\t\tthis.height = (y - this.y) * 2;\n\t\t}\n\t\tthis._sy = 0.5;\n\t\tthis._fh = 0;\n\t},\n\n\tgetCenter: function(_dontLink) {\n\t\tvar ctor = _dontLink ? Point : LinkedPoint;\n\t\treturn new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter');\n\t},\n\n\tsetCenter: function() {\n\t\tvar point = Point.read(arguments);\n\t\tthis.setCenterX(point.x);\n\t\tthis.setCenterY(point.y);\n\t\treturn this;\n\t},\n\n\tgetArea: function() {\n\t\treturn this.width * this.height;\n\t},\n\n\tisEmpty: function() {\n\t\treturn this.width === 0 || this.height === 0;\n\t},\n\n\tcontains: function(arg) {\n\t\treturn arg && arg.width !== undefined\n\t\t\t\t|| (Array.isArray(arg) ? arg : arguments).length === 4\n\t\t\t\t? this._containsRectangle(Rectangle.read(arguments))\n\t\t\t\t: this._containsPoint(Point.read(arguments));\n\t},\n\n\t_containsPoint: function(point) {\n\t\tvar x = point.x,\n\t\t\ty = point.y;\n\t\treturn x >= this.x && y >= this.y\n\t\t\t\t&& x <= this.x + this.width\n\t\t\t\t&& y <= this.y + this.height;\n\t},\n\n\t_containsRectangle: function(rect) {\n\t\tvar x = rect.x,\n\t\t\ty = rect.y;\n\t\treturn x >= this.x && y >= this.y\n\t\t\t\t&& x + rect.width <= this.x + this.width\n\t\t\t\t&& y + rect.height <= this.y + this.height;\n\t},\n\n\tintersects: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\tepsilon = Base.read(arguments) || 0;\n\t\treturn rect.x + rect.width > this.x - epsilon\n\t\t\t\t&& rect.y + rect.height > this.y - epsilon\n\t\t\t\t&& rect.x < this.x + this.width + epsilon\n\t\t\t\t&& rect.y < this.y + this.height + epsilon;\n\t},\n\n\tintersect: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\tx1 = Math.max(this.x, rect.x),\n\t\t\ty1 = Math.max(this.y, rect.y),\n\t\t\tx2 = Math.min(this.x + this.width, rect.x + rect.width),\n\t\t\ty2 = Math.min(this.y + this.height, rect.y + rect.height);\n\t\treturn new Rectangle(x1, y1, x2 - x1, y2 - y1);\n\t},\n\n\tunite: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\tx1 = Math.min(this.x, rect.x),\n\t\t\ty1 = Math.min(this.y, rect.y),\n\t\t\tx2 = Math.max(this.x + this.width, rect.x + rect.width),\n\t\t\ty2 = Math.max(this.y + this.height, rect.y + rect.height);\n\t\treturn new Rectangle(x1, y1, x2 - x1, y2 - y1);\n\t},\n\n\tinclude: function() {\n\t\tvar point = Point.read(arguments);\n\t\tvar x1 = Math.min(this.x, point.x),\n\t\t\ty1 = Math.min(this.y, point.y),\n\t\t\tx2 = Math.max(this.x + this.width, point.x),\n\t\t\ty2 = Math.max(this.y + this.height, point.y);\n\t\treturn new Rectangle(x1, y1, x2 - x1, y2 - y1);\n\t},\n\n\texpand: function() {\n\t\tvar amount = Size.read(arguments),\n\t\t\thor = amount.width,\n\t\t\tver = amount.height;\n\t\treturn new Rectangle(this.x - hor / 2, this.y - ver / 2,\n\t\t\t\tthis.width + hor, this.height + ver);\n\t},\n\n\tscale: function(hor, ver) {\n\t\treturn this.expand(this.width * hor - this.width,\n\t\t\t\tthis.height * (ver === undefined ? hor : ver) - this.height);\n\t}\n}, Base.each([\n\t\t['Top', 'Left'], ['Top', 'Right'],\n\t\t['Bottom', 'Left'], ['Bottom', 'Right'],\n\t\t['Left', 'Center'], ['Top', 'Center'],\n\t\t['Right', 'Center'], ['Bottom', 'Center']\n\t],\n\tfunction(parts, index) {\n\t\tvar part = parts.join(''),\n\t\t\txFirst = /^[RL]/.test(part);\n\t\tif (index >= 4)\n\t\t\tparts[1] += xFirst ? 'Y' : 'X';\n\t\tvar x = parts[xFirst ? 0 : 1],\n\t\t\ty = parts[xFirst ? 1 : 0],\n\t\t\tgetX = 'get' + x,\n\t\t\tgetY = 'get' + y,\n\t\t\tsetX = 'set' + x,\n\t\t\tsetY = 'set' + y,\n\t\t\tget = 'get' + part,\n\t\t\tset = 'set' + part;\n\t\tthis[get] = function(_dontLink) {\n\t\t\tvar ctor = _dontLink ? Point : LinkedPoint;\n\t\t\treturn new ctor(this[getX](), this[getY](), this, set);\n\t\t};\n\t\tthis[set] = function() {\n\t\t\tvar point = Point.read(arguments);\n\t\t\tthis[setX](point.x);\n\t\t\tthis[setY](point.y);\n\t\t};\n\t}, {\n\t\tbeans: true\n\t}\n));\n\nvar LinkedRectangle = Rectangle.extend({\n\tinitialize: function Rectangle(x, y, width, height, owner, setter) {\n\t\tthis._set(x, y, width, height, true);\n\t\tthis._owner = owner;\n\t\tthis._setter = setter;\n\t},\n\n\t_set: function(x, y, width, height, _dontNotify) {\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._width = width;\n\t\tthis._height = height;\n\t\tif (!_dontNotify)\n\t\t\tthis._owner[this._setter](this);\n\t\treturn this;\n\t}\n},\nnew function() {\n\tvar proto = Rectangle.prototype;\n\n\treturn Base.each(['x', 'y', 'width', 'height'], function(key) {\n\t\tvar part = Base.capitalize(key),\n\t\t\tinternal = '_' + key;\n\t\tthis['get' + part] = function() {\n\t\t\treturn this[internal];\n\t\t};\n\n\t\tthis['set' + part] = function(value) {\n\t\t\tthis[internal] = value;\n\t\t\tif (!this._dontNotify)\n\t\t\t\tthis._owner[this._setter](this);\n\t\t};\n\t}, Base.each(['Point', 'Size', 'Center',\n\t\t\t'Left', 'Top', 'Right', 'Bottom', 'CenterX', 'CenterY',\n\t\t\t'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',\n\t\t\t'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'],\n\t\tfunction(key) {\n\t\t\tvar name = 'set' + key;\n\t\t\tthis[name] = function() {\n\t\t\t\tthis._dontNotify = true;\n\t\t\t\tproto[name].apply(this, arguments);\n\t\t\t\tthis._dontNotify = false;\n\t\t\t\tthis._owner[this._setter](this);\n\t\t\t};\n\t\t}, {\n\t\t\tisSelected: function() {\n\t\t\t\treturn !!(this._owner._selection & 2);\n\t\t\t},\n\n\t\t\tsetSelected: function(selected) {\n\t\t\t\tvar owner = this._owner;\n\t\t\t\tif (owner._changeSelection) {\n\t\t\t\t\towner._changeSelection(2, selected);\n\t\t\t\t}\n\t\t\t}\n\t\t})\n\t);\n});\n\nvar Matrix = Base.extend({\n\t_class: 'Matrix',\n\n\tinitialize: function Matrix(arg, _dontNotify) {\n\t\tvar args = arguments,\n\t\t\tcount = args.length,\n\t\t\tok = true;\n\t\tif (count >= 6) {\n\t\t\tthis._set.apply(this, args);\n\t\t} else if (count === 1 || count === 2) {\n\t\t\tif (arg instanceof Matrix) {\n\t\t\t\tthis._set(arg._a, arg._b, arg._c, arg._d, arg._tx, arg._ty,\n\t\t\t\t\t\t_dontNotify);\n\t\t\t} else if (Array.isArray(arg)) {\n\t\t\t\tthis._set.apply(this,\n\t\t\t\t\t\t_dontNotify ? arg.concat([_dontNotify]) : arg);\n\t\t\t} else {\n\t\t\t\tok = false;\n\t\t\t}\n\t\t} else if (!count) {\n\t\t\tthis.reset();\n\t\t} else {\n\t\t\tok = false;\n\t\t}\n\t\tif (!ok) {\n\t\t\tthrow new Error('Unsupported matrix parameters');\n\t\t}\n\t\treturn this;\n\t},\n\n\tset: '#initialize',\n\n\t_set: function(a, b, c, d, tx, ty, _dontNotify) {\n\t\tthis._a = a;\n\t\tthis._b = b;\n\t\tthis._c = c;\n\t\tthis._d = d;\n\t\tthis._tx = tx;\n\t\tthis._ty = ty;\n\t\tif (!_dontNotify)\n\t\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\treturn Base.serialize(this.getValues(), options, true, dictionary);\n\t},\n\n\t_changed: function() {\n\t\tvar owner = this._owner;\n\t\tif (owner) {\n\t\t\tif (owner._applyMatrix) {\n\t\t\t\towner.transform(null, true);\n\t\t\t} else {\n\t\t\t\towner._changed(25);\n\t\t\t}\n\t\t}\n\t},\n\n\tclone: function() {\n\t\treturn new Matrix(this._a, this._b, this._c, this._d,\n\t\t\t\tthis._tx, this._ty);\n\t},\n\n\tequals: function(mx) {\n\t\treturn mx === this || mx && this._a === mx._a && this._b === mx._b\n\t\t\t\t&& this._c === mx._c && this._d === mx._d\n\t\t\t\t&& this._tx === mx._tx && this._ty === mx._ty;\n\t},\n\n\ttoString: function() {\n\t\tvar f = Formatter.instance;\n\t\treturn '[[' + [f.number(this._a), f.number(this._c),\n\t\t\t\t\tf.number(this._tx)].join(', ') + '], ['\n\t\t\t\t+ [f.number(this._b), f.number(this._d),\n\t\t\t\t\tf.number(this._ty)].join(', ') + ']]';\n\t},\n\n\treset: function(_dontNotify) {\n\t\tthis._a = this._d = 1;\n\t\tthis._b = this._c = this._tx = this._ty = 0;\n\t\tif (!_dontNotify)\n\t\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\tapply: function(recursively, _setApplyMatrix) {\n\t\tvar owner = this._owner;\n\t\tif (owner) {\n\t\t\towner.transform(null, Base.pick(recursively, true), _setApplyMatrix);\n\t\t\treturn this.isIdentity();\n\t\t}\n\t\treturn false;\n\t},\n\n\ttranslate: function() {\n\t\tvar point = Point.read(arguments),\n\t\t\tx = point.x,\n\t\t\ty = point.y;\n\t\tthis._tx += x * this._a + y * this._c;\n\t\tthis._ty += x * this._b + y * this._d;\n\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\tscale: function() {\n\t\tvar args = arguments,\n\t\t\tscale = Point.read(args),\n\t\t\tcenter = Point.read(args, 0, { readNull: true });\n\t\tif (center)\n\t\t\tthis.translate(center);\n\t\tthis._a *= scale.x;\n\t\tthis._b *= scale.x;\n\t\tthis._c *= scale.y;\n\t\tthis._d *= scale.y;\n\t\tif (center)\n\t\t\tthis.translate(center.negate());\n\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\trotate: function(angle ) {\n\t\tangle *= Math.PI / 180;\n\t\tvar center = Point.read(arguments, 1),\n\t\t\tx = center.x,\n\t\t\ty = center.y,\n\t\t\tcos = Math.cos(angle),\n\t\t\tsin = Math.sin(angle),\n\t\t\ttx = x - x * cos + y * sin,\n\t\t\tty = y - x * sin - y * cos,\n\t\t\ta = this._a,\n\t\t\tb = this._b,\n\t\t\tc = this._c,\n\t\t\td = this._d;\n\t\tthis._a = cos * a + sin * c;\n\t\tthis._b = cos * b + sin * d;\n\t\tthis._c = -sin * a + cos * c;\n\t\tthis._d = -sin * b + cos * d;\n\t\tthis._tx += tx * a + ty * c;\n\t\tthis._ty += tx * b + ty * d;\n\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\tshear: function() {\n\t\tvar args = arguments,\n\t\t\tshear = Point.read(args),\n\t\t\tcenter = Point.read(args, 0, { readNull: true });\n\t\tif (center)\n\t\t\tthis.translate(center);\n\t\tvar a = this._a,\n\t\t\tb = this._b;\n\t\tthis._a += shear.y * this._c;\n\t\tthis._b += shear.y * this._d;\n\t\tthis._c += shear.x * a;\n\t\tthis._d += shear.x * b;\n\t\tif (center)\n\t\t\tthis.translate(center.negate());\n\t\tthis._changed();\n\t\treturn this;\n\t},\n\n\tskew: function() {\n\t\tvar args = arguments,\n\t\t\tskew = Point.read(args),\n\t\t\tcenter = Point.read(args, 0, { readNull: true }),\n\t\t\ttoRadians = Math.PI / 180,\n\t\t\tshear = new Point(Math.tan(skew.x * toRadians),\n\t\t\t\tMath.tan(skew.y * toRadians));\n\t\treturn this.shear(shear, center);\n\t},\n\n\tappend: function(mx, _dontNotify) {\n\t\tif (mx) {\n\t\t\tvar a1 = this._a,\n\t\t\t\tb1 = this._b,\n\t\t\t\tc1 = this._c,\n\t\t\t\td1 = this._d,\n\t\t\t\ta2 = mx._a,\n\t\t\t\tb2 = mx._c,\n\t\t\t\tc2 = mx._b,\n\t\t\t\td2 = mx._d,\n\t\t\t\ttx2 = mx._tx,\n\t\t\t\tty2 = mx._ty;\n\t\t\tthis._a = a2 * a1 + c2 * c1;\n\t\t\tthis._c = b2 * a1 + d2 * c1;\n\t\t\tthis._b = a2 * b1 + c2 * d1;\n\t\t\tthis._d = b2 * b1 + d2 * d1;\n\t\t\tthis._tx += tx2 * a1 + ty2 * c1;\n\t\t\tthis._ty += tx2 * b1 + ty2 * d1;\n\t\t\tif (!_dontNotify)\n\t\t\t\tthis._changed();\n\t\t}\n\t\treturn this;\n\t},\n\n\tprepend: function(mx, _dontNotify) {\n\t\tif (mx) {\n\t\t\tvar a1 = this._a,\n\t\t\t\tb1 = this._b,\n\t\t\t\tc1 = this._c,\n\t\t\t\td1 = this._d,\n\t\t\t\ttx1 = this._tx,\n\t\t\t\tty1 = this._ty,\n\t\t\t\ta2 = mx._a,\n\t\t\t\tb2 = mx._c,\n\t\t\t\tc2 = mx._b,\n\t\t\t\td2 = mx._d,\n\t\t\t\ttx2 = mx._tx,\n\t\t\t\tty2 = mx._ty;\n\t\t\tthis._a = a2 * a1 + b2 * b1;\n\t\t\tthis._c = a2 * c1 + b2 * d1;\n\t\t\tthis._b = c2 * a1 + d2 * b1;\n\t\t\tthis._d = c2 * c1 + d2 * d1;\n\t\t\tthis._tx = a2 * tx1 + b2 * ty1 + tx2;\n\t\t\tthis._ty = c2 * tx1 + d2 * ty1 + ty2;\n\t\t\tif (!_dontNotify)\n\t\t\t\tthis._changed();\n\t\t}\n\t\treturn this;\n\t},\n\n\tappended: function(mx) {\n\t\treturn this.clone().append(mx);\n\t},\n\n\tprepended: function(mx) {\n\t\treturn this.clone().prepend(mx);\n\t},\n\n\tinvert: function() {\n\t\tvar a = this._a,\n\t\t\tb = this._b,\n\t\t\tc = this._c,\n\t\t\td = this._d,\n\t\t\ttx = this._tx,\n\t\t\tty = this._ty,\n\t\t\tdet = a * d - b * c,\n\t\t\tres = null;\n\t\tif (det && !isNaN(det) && isFinite(tx) && isFinite(ty)) {\n\t\t\tthis._a = d / det;\n\t\t\tthis._b = -b / det;\n\t\t\tthis._c = -c / det;\n\t\t\tthis._d = a / det;\n\t\t\tthis._tx = (c * ty - d * tx) / det;\n\t\t\tthis._ty = (b * tx - a * ty) / det;\n\t\t\tres = this;\n\t\t}\n\t\treturn res;\n\t},\n\n\tinverted: function() {\n\t\treturn this.clone().invert();\n\t},\n\n\tconcatenate: '#append',\n\tpreConcatenate: '#prepend',\n\tchain: '#appended',\n\n\t_shiftless: function() {\n\t\treturn new Matrix(this._a, this._b, this._c, this._d, 0, 0);\n\t},\n\n\t_orNullIfIdentity: function() {\n\t\treturn this.isIdentity() ? null : this;\n\t},\n\n\tisIdentity: function() {\n\t\treturn this._a === 1 && this._b === 0 && this._c === 0 && this._d === 1\n\t\t\t\t&& this._tx === 0 && this._ty === 0;\n\t},\n\n\tisInvertible: function() {\n\t\tvar det = this._a * this._d - this._c * this._b;\n\t\treturn det && !isNaN(det) && isFinite(this._tx) && isFinite(this._ty);\n\t},\n\n\tisSingular: function() {\n\t\treturn !this.isInvertible();\n\t},\n\n\ttransform: function( src, dst, count) {\n\t\treturn arguments.length < 3\n\t\t\t? this._transformPoint(Point.read(arguments))\n\t\t\t: this._transformCoordinates(src, dst, count);\n\t},\n\n\t_transformPoint: function(point, dest, _dontNotify) {\n\t\tvar x = point.x,\n\t\t\ty = point.y;\n\t\tif (!dest)\n\t\t\tdest = new Point();\n\t\treturn dest._set(\n\t\t\t\tx * this._a + y * this._c + this._tx,\n\t\t\t\tx * this._b + y * this._d + this._ty,\n\t\t\t\t_dontNotify);\n\t},\n\n\t_transformCoordinates: function(src, dst, count) {\n\t\tfor (var i = 0, max = 2 * count; i < max; i += 2) {\n\t\t\tvar x = src[i],\n\t\t\t\ty = src[i + 1];\n\t\t\tdst[i] = x * this._a + y * this._c + this._tx;\n\t\t\tdst[i + 1] = x * this._b + y * this._d + this._ty;\n\t\t}\n\t\treturn dst;\n\t},\n\n\t_transformCorners: function(rect) {\n\t\tvar x1 = rect.x,\n\t\t\ty1 = rect.y,\n\t\t\tx2 = x1 + rect.width,\n\t\t\ty2 = y1 + rect.height,\n\t\t\tcoords = [ x1, y1, x2, y1, x2, y2, x1, y2 ];\n\t\treturn this._transformCoordinates(coords, coords, 4);\n\t},\n\n\t_transformBounds: function(bounds, dest, _dontNotify) {\n\t\tvar coords = this._transformCorners(bounds),\n\t\t\tmin = coords.slice(0, 2),\n\t\t\tmax = min.slice();\n\t\tfor (var i = 2; i < 8; i++) {\n\t\t\tvar val = coords[i],\n\t\t\t\tj = i & 1;\n\t\t\tif (val < min[j]) {\n\t\t\t\tmin[j] = val;\n\t\t\t} else if (val > max[j]) {\n\t\t\t\tmax[j] = val;\n\t\t\t}\n\t\t}\n\t\tif (!dest)\n\t\t\tdest = new Rectangle();\n\t\treturn dest._set(min[0], min[1], max[0] - min[0], max[1] - min[1],\n\t\t\t\t_dontNotify);\n\t},\n\n\tinverseTransform: function() {\n\t\treturn this._inverseTransform(Point.read(arguments));\n\t},\n\n\t_inverseTransform: function(point, dest, _dontNotify) {\n\t\tvar a = this._a,\n\t\t\tb = this._b,\n\t\t\tc = this._c,\n\t\t\td = this._d,\n\t\t\ttx = this._tx,\n\t\t\tty = this._ty,\n\t\t\tdet = a * d - b * c,\n\t\t\tres = null;\n\t\tif (det && !isNaN(det) && isFinite(tx) && isFinite(ty)) {\n\t\t\tvar x = point.x - this._tx,\n\t\t\t\ty = point.y - this._ty;\n\t\t\tif (!dest)\n\t\t\t\tdest = new Point();\n\t\t\tres = dest._set(\n\t\t\t\t\t(x * d - y * c) / det,\n\t\t\t\t\t(y * a - x * b) / det,\n\t\t\t\t\t_dontNotify);\n\t\t}\n\t\treturn res;\n\t},\n\n\tdecompose: function() {\n\t\tvar a = this._a,\n\t\t\tb = this._b,\n\t\t\tc = this._c,\n\t\t\td = this._d,\n\t\t\tdet = a * d - b * c,\n\t\t\tsqrt = Math.sqrt,\n\t\t\tatan2 = Math.atan2,\n\t\t\tdegrees = 180 / Math.PI,\n\t\t\trotate,\n\t\t\tscale,\n\t\t\tskew;\n\t\tif (a !== 0 || b !== 0) {\n\t\t\tvar r = sqrt(a * a + b * b);\n\t\t\trotate = Math.acos(a / r) * (b > 0 ? 1 : -1);\n\t\t\tscale = [r, det / r];\n\t\t\tskew = [atan2(a * c + b * d, r * r), 0];\n\t\t} else if (c !== 0 || d !== 0) {\n\t\t\tvar s = sqrt(c * c + d * d);\n\t\t\trotate = Math.asin(c / s)  * (d > 0 ? 1 : -1);\n\t\t\tscale = [det / s, s];\n\t\t\tskew = [0, atan2(a * c + b * d, s * s)];\n\t\t} else {\n\t\t\trotate = 0;\n\t\t\tskew = scale = [0, 0];\n\t\t}\n\t\treturn {\n\t\t\ttranslation: this.getTranslation(),\n\t\t\trotation: rotate * degrees,\n\t\t\tscaling: new Point(scale),\n\t\t\tskewing: new Point(skew[0] * degrees, skew[1] * degrees)\n\t\t};\n\t},\n\n\tgetValues: function() {\n\t\treturn [ this._a, this._b, this._c, this._d, this._tx, this._ty ];\n\t},\n\n\tgetTranslation: function() {\n\t\treturn new Point(this._tx, this._ty);\n\t},\n\n\tgetScaling: function() {\n\t\treturn this.decompose().scaling;\n\t},\n\n\tgetRotation: function() {\n\t\treturn this.decompose().rotation;\n\t},\n\n\tapplyToContext: function(ctx) {\n\t\tif (!this.isIdentity()) {\n\t\t\tctx.transform(this._a, this._b, this._c, this._d,\n\t\t\t\t\tthis._tx, this._ty);\n\t\t}\n\t}\n}, Base.each(['a', 'b', 'c', 'd', 'tx', 'ty'], function(key) {\n\tvar part = Base.capitalize(key),\n\t\tprop = '_' + key;\n\tthis['get' + part] = function() {\n\t\treturn this[prop];\n\t};\n\tthis['set' + part] = function(value) {\n\t\tthis[prop] = value;\n\t\tthis._changed();\n\t};\n}, {}));\n\nvar Line = Base.extend({\n\t_class: 'Line',\n\n\tinitialize: function Line(arg0, arg1, arg2, arg3, arg4) {\n\t\tvar asVector = false;\n\t\tif (arguments.length >= 4) {\n\t\t\tthis._px = arg0;\n\t\t\tthis._py = arg1;\n\t\t\tthis._vx = arg2;\n\t\t\tthis._vy = arg3;\n\t\t\tasVector = arg4;\n\t\t} else {\n\t\t\tthis._px = arg0.x;\n\t\t\tthis._py = arg0.y;\n\t\t\tthis._vx = arg1.x;\n\t\t\tthis._vy = arg1.y;\n\t\t\tasVector = arg2;\n\t\t}\n\t\tif (!asVector) {\n\t\t\tthis._vx -= this._px;\n\t\t\tthis._vy -= this._py;\n\t\t}\n\t},\n\n\tgetPoint: function() {\n\t\treturn new Point(this._px, this._py);\n\t},\n\n\tgetVector: function() {\n\t\treturn new Point(this._vx, this._vy);\n\t},\n\n\tgetLength: function() {\n\t\treturn this.getVector().getLength();\n\t},\n\n\tintersect: function(line, isInfinite) {\n\t\treturn Line.intersect(\n\t\t\t\tthis._px, this._py, this._vx, this._vy,\n\t\t\t\tline._px, line._py, line._vx, line._vy,\n\t\t\t\ttrue, isInfinite);\n\t},\n\n\tgetSide: function(point, isInfinite) {\n\t\treturn Line.getSide(\n\t\t\t\tthis._px, this._py, this._vx, this._vy,\n\t\t\t\tpoint.x, point.y, true, isInfinite);\n\t},\n\n\tgetDistance: function(point) {\n\t\treturn Math.abs(this.getSignedDistance(point));\n\t},\n\n\tgetSignedDistance: function(point) {\n\t\treturn Line.getSignedDistance(this._px, this._py, this._vx, this._vy,\n\t\t\t\tpoint.x, point.y, true);\n\t},\n\n\tisCollinear: function(line) {\n\t\treturn Point.isCollinear(this._vx, this._vy, line._vx, line._vy);\n\t},\n\n\tisOrthogonal: function(line) {\n\t\treturn Point.isOrthogonal(this._vx, this._vy, line._vx, line._vy);\n\t},\n\n\tstatics: {\n\t\tintersect: function(p1x, p1y, v1x, v1y, p2x, p2y, v2x, v2y, asVector,\n\t\t\t\tisInfinite) {\n\t\t\tif (!asVector) {\n\t\t\t\tv1x -= p1x;\n\t\t\t\tv1y -= p1y;\n\t\t\t\tv2x -= p2x;\n\t\t\t\tv2y -= p2y;\n\t\t\t}\n\t\t\tvar cross = v1x * v2y - v1y * v2x;\n\t\t\tif (!Numerical.isMachineZero(cross)) {\n\t\t\t\tvar dx = p1x - p2x,\n\t\t\t\t\tdy = p1y - p2y,\n\t\t\t\t\tu1 = (v2x * dy - v2y * dx) / cross,\n\t\t\t\t\tu2 = (v1x * dy - v1y * dx) / cross,\n\t\t\t\t\tepsilon = 1e-12,\n\t\t\t\t\tuMin = -epsilon,\n\t\t\t\t\tuMax = 1 + epsilon;\n\t\t\t\tif (isInfinite\n\t\t\t\t\t\t|| uMin < u1 && u1 < uMax && uMin < u2 && u2 < uMax) {\n\t\t\t\t\tif (!isInfinite) {\n\t\t\t\t\t\tu1 = u1 <= 0 ? 0 : u1 >= 1 ? 1 : u1;\n\t\t\t\t\t}\n\t\t\t\t\treturn new Point(\n\t\t\t\t\t\t\tp1x + u1 * v1x,\n\t\t\t\t\t\t\tp1y + u1 * v1y);\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\tgetSide: function(px, py, vx, vy, x, y, asVector, isInfinite) {\n\t\t\tif (!asVector) {\n\t\t\t\tvx -= px;\n\t\t\t\tvy -= py;\n\t\t\t}\n\t\t\tvar v2x = x - px,\n\t\t\t\tv2y = y - py,\n\t\t\t\tccw = v2x * vy - v2y * vx;\n\t\t\tif (!isInfinite && Numerical.isMachineZero(ccw)) {\n\t\t\t\tccw = (v2x * vx + v2x * vx) / (vx * vx + vy * vy);\n\t\t\t\tif (ccw >= 0 && ccw <= 1)\n\t\t\t\t\tccw = 0;\n\t\t\t}\n\t\t\treturn ccw < 0 ? -1 : ccw > 0 ? 1 : 0;\n\t\t},\n\n\t\tgetSignedDistance: function(px, py, vx, vy, x, y, asVector) {\n\t\t\tif (!asVector) {\n\t\t\t\tvx -= px;\n\t\t\t\tvy -= py;\n\t\t\t}\n\t\t\t  return  vx === 0 ? (vy > 0 ? x - px : px - x)\n\t\t\t\t\t: vy === 0 ? (vx < 0 ? y - py : py - y)\n\t\t\t\t\t: ((x - px) * vy - (y - py) * vx) / (\n\t\t\t\t\t\tvy > vx\n\t\t\t\t\t\t\t? vy * Math.sqrt(1 + (vx * vx) / (vy * vy))\n\t\t\t\t\t\t\t: vx * Math.sqrt(1 + (vy * vy) / (vx * vx))\n\t\t\t\t\t);\n\t\t},\n\n\t\tgetDistance: function(px, py, vx, vy, x, y, asVector) {\n\t\t\treturn Math.abs(\n\t\t\t\t\tLine.getSignedDistance(px, py, vx, vy, x, y, asVector));\n\t\t}\n\t}\n});\n\nvar Project = PaperScopeItem.extend({\n\t_class: 'Project',\n\t_list: 'projects',\n\t_reference: 'project',\n\t_compactSerialize: true,\n\n\tinitialize: function Project(element) {\n\t\tPaperScopeItem.call(this, true);\n\t\tthis._children = [];\n\t\tthis._namedChildren = {};\n\t\tthis._activeLayer = null;\n\t\tthis._currentStyle = new Style(null, null, this);\n\t\tthis._view = View.create(this,\n\t\t\t\telement || CanvasProvider.getCanvas(1, 1));\n\t\tthis._selectionItems = {};\n\t\tthis._selectionCount = 0;\n\t\tthis._updateVersion = 0;\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\treturn Base.serialize(this._children, options, true, dictionary);\n\t},\n\n\t_changed: function(flags, item) {\n\t\tif (flags & 1) {\n\t\t\tvar view = this._view;\n\t\t\tif (view) {\n\t\t\t\tview._needsUpdate = true;\n\t\t\t\tif (!view._requested && view._autoUpdate)\n\t\t\t\t\tview.requestUpdate();\n\t\t\t}\n\t\t}\n\t\tvar changes = this._changes;\n\t\tif (changes && item) {\n\t\t\tvar changesById = this._changesById,\n\t\t\t\tid = item._id,\n\t\t\t\tentry = changesById[id];\n\t\t\tif (entry) {\n\t\t\t\tentry.flags |= flags;\n\t\t\t} else {\n\t\t\t\tchanges.push(changesById[id] = { item: item, flags: flags });\n\t\t\t}\n\t\t}\n\t},\n\n\tclear: function() {\n\t\tvar children = this._children;\n\t\tfor (var i = children.length - 1; i >= 0; i--)\n\t\t\tchildren[i].remove();\n\t},\n\n\tisEmpty: function() {\n\t\treturn !this._children.length;\n\t},\n\n\tremove: function remove() {\n\t\tif (!remove.base.call(this))\n\t\t\treturn false;\n\t\tif (this._view)\n\t\t\tthis._view.remove();\n\t\treturn true;\n\t},\n\n\tgetView: function() {\n\t\treturn this._view;\n\t},\n\n\tgetCurrentStyle: function() {\n\t\treturn this._currentStyle;\n\t},\n\n\tsetCurrentStyle: function(style) {\n\t\tthis._currentStyle.set(style);\n\t},\n\n\tgetIndex: function() {\n\t\treturn this._index;\n\t},\n\n\tgetOptions: function() {\n\t\treturn this._scope.settings;\n\t},\n\n\tgetLayers: function() {\n\t\treturn this._children;\n\t},\n\n\tgetActiveLayer: function() {\n\t\treturn this._activeLayer || new Layer({ project: this, insert: true });\n\t},\n\n\tgetSymbolDefinitions: function() {\n\t\tvar definitions = [],\n\t\t\tids = {};\n\t\tthis.getItems({\n\t\t\tclass: SymbolItem,\n\t\t\tmatch: function(item) {\n\t\t\t\tvar definition = item._definition,\n\t\t\t\t\tid = definition._id;\n\t\t\t\tif (!ids[id]) {\n\t\t\t\t\tids[id] = true;\n\t\t\t\t\tdefinitions.push(definition);\n\t\t\t\t}\n\t\t\t\treturn false;\n\t\t\t}\n\t\t});\n\t\treturn definitions;\n\t},\n\n\tgetSymbols: 'getSymbolDefinitions',\n\n\tgetSelectedItems: function() {\n\t\tvar selectionItems = this._selectionItems,\n\t\t\titems = [];\n\t\tfor (var id in selectionItems) {\n\t\t\tvar item = selectionItems[id],\n\t\t\t\tselection = item._selection;\n\t\t\tif ((selection & 1) && item.isInserted()) {\n\t\t\t\titems.push(item);\n\t\t\t} else if (!selection) {\n\t\t\t\tthis._updateSelection(item);\n\t\t\t}\n\t\t}\n\t\treturn items;\n\t},\n\n\t_updateSelection: function(item) {\n\t\tvar id = item._id,\n\t\t\tselectionItems = this._selectionItems;\n\t\tif (item._selection) {\n\t\t\tif (selectionItems[id] !== item) {\n\t\t\t\tthis._selectionCount++;\n\t\t\t\tselectionItems[id] = item;\n\t\t\t}\n\t\t} else if (selectionItems[id] === item) {\n\t\t\tthis._selectionCount--;\n\t\t\tdelete selectionItems[id];\n\t\t}\n\t},\n\n\tselectAll: function() {\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\tchildren[i].setFullySelected(true);\n\t},\n\n\tdeselectAll: function() {\n\t\tvar selectionItems = this._selectionItems;\n\t\tfor (var i in selectionItems)\n\t\t\tselectionItems[i].setFullySelected(false);\n\t},\n\n\taddLayer: function(layer) {\n\t\treturn this.insertLayer(undefined, layer);\n\t},\n\n\tinsertLayer: function(index, layer) {\n\t\tif (layer instanceof Layer) {\n\t\t\tlayer._remove(false, true);\n\t\t\tBase.splice(this._children, [layer], index, 0);\n\t\t\tlayer._setProject(this, true);\n\t\t\tvar name = layer._name;\n\t\t\tif (name)\n\t\t\t\tlayer.setName(name);\n\t\t\tif (this._changes)\n\t\t\t\tlayer._changed(5);\n\t\t\tif (!this._activeLayer)\n\t\t\t\tthis._activeLayer = layer;\n\t\t} else {\n\t\t\tlayer = null;\n\t\t}\n\t\treturn layer;\n\t},\n\n\t_insertItem: function(index, item, _created) {\n\t\titem = this.insertLayer(index, item)\n\t\t\t\t|| (this._activeLayer || this._insertItem(undefined,\n\t\t\t\t\t\tnew Layer(Item.NO_INSERT), true))\n\t\t\t\t\t\t.insertChild(index, item);\n\t\tif (_created && item.activate)\n\t\t\titem.activate();\n\t\treturn item;\n\t},\n\n\tgetItems: function(options) {\n\t\treturn Item._getItems(this, options);\n\t},\n\n\tgetItem: function(options) {\n\t\treturn Item._getItems(this, options, null, null, true)[0] || null;\n\t},\n\n\timportJSON: function(json) {\n\t\tthis.activate();\n\t\tvar layer = this._activeLayer;\n\t\treturn Base.importJSON(json, layer && layer.isEmpty() && layer);\n\t},\n\n\tremoveOn: function(type) {\n\t\tvar sets = this._removeSets;\n\t\tif (sets) {\n\t\t\tif (type === 'mouseup')\n\t\t\t\tsets.mousedrag = null;\n\t\t\tvar set = sets[type];\n\t\t\tif (set) {\n\t\t\t\tfor (var id in set) {\n\t\t\t\t\tvar item = set[id];\n\t\t\t\t\tfor (var key in sets) {\n\t\t\t\t\t\tvar other = sets[key];\n\t\t\t\t\t\tif (other && other != set)\n\t\t\t\t\t\t\tdelete other[item._id];\n\t\t\t\t\t}\n\t\t\t\t\titem.remove();\n\t\t\t\t}\n\t\t\t\tsets[type] = null;\n\t\t\t}\n\t\t}\n\t},\n\n\tdraw: function(ctx, matrix, pixelRatio) {\n\t\tthis._updateVersion++;\n\t\tctx.save();\n\t\tmatrix.applyToContext(ctx);\n\t\tvar children = this._children,\n\t\t\tparam = new Base({\n\t\t\t\toffset: new Point(0, 0),\n\t\t\t\tpixelRatio: pixelRatio,\n\t\t\t\tviewMatrix: matrix.isIdentity() ? null : matrix,\n\t\t\t\tmatrices: [new Matrix()],\n\t\t\t\tupdateMatrix: true\n\t\t\t});\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tchildren[i].draw(ctx, param);\n\t\t}\n\t\tctx.restore();\n\n\t\tif (this._selectionCount > 0) {\n\t\t\tctx.save();\n\t\t\tctx.strokeWidth = 1;\n\t\t\tvar items = this._selectionItems,\n\t\t\t\tsize = this._scope.settings.handleSize,\n\t\t\t\tversion = this._updateVersion;\n\t\t\tfor (var id in items) {\n\t\t\t\titems[id]._drawSelection(ctx, matrix, size, items, version);\n\t\t\t}\n\t\t\tctx.restore();\n\t\t}\n\t}\n});\n\nvar Item = Base.extend(Emitter, {\n\tstatics: {\n\t\textend: function extend(src) {\n\t\t\tif (src._serializeFields)\n\t\t\t\tsrc._serializeFields = Base.set({},\n\t\t\t\t\tthis.prototype._serializeFields, src._serializeFields);\n\t\t\treturn extend.base.apply(this, arguments);\n\t\t},\n\n\t\tNO_INSERT: { insert: false }\n\t},\n\n\t_class: 'Item',\n\t_name: null,\n\t_applyMatrix: true,\n\t_canApplyMatrix: true,\n\t_canScaleStroke: false,\n\t_pivot: null,\n\t_visible: true,\n\t_blendMode: 'normal',\n\t_opacity: 1,\n\t_locked: false,\n\t_guide: false,\n\t_clipMask: false,\n\t_selection: 0,\n\t_selectBounds: true,\n\t_selectChildren: false,\n\t_serializeFields: {\n\t\tname: null,\n\t\tapplyMatrix: null,\n\t\tmatrix: new Matrix(),\n\t\tpivot: null,\n\t\tvisible: true,\n\t\tblendMode: 'normal',\n\t\topacity: 1,\n\t\tlocked: false,\n\t\tguide: false,\n\t\tclipMask: false,\n\t\tselected: false,\n\t\tdata: {}\n\t},\n\t_prioritize: ['applyMatrix']\n},\nnew function() {\n\tvar handlers = ['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onClick',\n\t\t\t'onDoubleClick', 'onMouseMove', 'onMouseEnter', 'onMouseLeave'];\n\treturn Base.each(handlers,\n\t\tfunction(name) {\n\t\t\tthis._events[name] = {\n\t\t\t\tinstall: function(type) {\n\t\t\t\t\tthis.getView()._countItemEvent(type, 1);\n\t\t\t\t},\n\n\t\t\t\tuninstall: function(type) {\n\t\t\t\t\tthis.getView()._countItemEvent(type, -1);\n\t\t\t\t}\n\t\t\t};\n\t\t}, {\n\t\t\t_events: {\n\t\t\t\tonFrame: {\n\t\t\t\t\tinstall: function() {\n\t\t\t\t\t\tthis.getView()._animateItem(this, true);\n\t\t\t\t\t},\n\n\t\t\t\t\tuninstall: function() {\n\t\t\t\t\t\tthis.getView()._animateItem(this, false);\n\t\t\t\t\t}\n\t\t\t\t},\n\n\t\t\t\tonLoad: {},\n\t\t\t\tonError: {}\n\t\t\t},\n\t\t\tstatics: {\n\t\t\t\t_itemHandlers: handlers\n\t\t\t}\n\t\t}\n\t);\n}, {\n\tinitialize: function Item() {\n\t},\n\n\t_initialize: function(props, point) {\n\t\tvar hasProps = props && Base.isPlainObject(props),\n\t\t\tinternal = hasProps && props.internal === true,\n\t\t\tmatrix = this._matrix = new Matrix(),\n\t\t\tproject = hasProps && props.project || paper.project,\n\t\t\tsettings = paper.settings;\n\t\tthis._id = internal ? null : UID.get();\n\t\tthis._parent = this._index = null;\n\t\tthis._applyMatrix = this._canApplyMatrix && settings.applyMatrix;\n\t\tif (point)\n\t\t\tmatrix.translate(point);\n\t\tmatrix._owner = this;\n\t\tthis._style = new Style(project._currentStyle, this, project);\n\t\tif (internal || hasProps && props.insert == false\n\t\t\t|| !settings.insertItems && !(hasProps && props.insert === true)) {\n\t\t\tthis._setProject(project);\n\t\t} else {\n\t\t\t(hasProps && props.parent || project)\n\t\t\t\t\t._insertItem(undefined, this, true);\n\t\t}\n\t\tif (hasProps && props !== Item.NO_INSERT) {\n\t\t\tthis.set(props, {\n\t\t\t\tinternal: true, insert: true, project: true, parent: true\n\t\t\t});\n\t\t}\n\t\treturn hasProps;\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\tvar props = {},\n\t\t\tthat = this;\n\n\t\tfunction serialize(fields) {\n\t\t\tfor (var key in fields) {\n\t\t\t\tvar value = that[key];\n\t\t\t\tif (!Base.equals(value, key === 'leading'\n\t\t\t\t\t\t? fields.fontSize * 1.2 : fields[key])) {\n\t\t\t\t\tprops[key] = Base.serialize(value, options,\n\t\t\t\t\t\t\tkey !== 'data', dictionary);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tserialize(this._serializeFields);\n\t\tif (!(this instanceof Group))\n\t\t\tserialize(this._style._defaults);\n\t\treturn [ this._class, props ];\n\t},\n\n\t_changed: function(flags) {\n\t\tvar symbol = this._symbol,\n\t\t\tcacheParent = this._parent || symbol,\n\t\t\tproject = this._project;\n\t\tif (flags & 8) {\n\t\t\tthis._bounds = this._position = this._decomposed = undefined;\n\t\t}\n\t\tif (flags & 16) {\n\t\t\tthis._globalMatrix = undefined;\n\t\t}\n\t\tif (cacheParent\n\t\t\t\t&& (flags & 72)) {\n\t\t\tItem._clearBoundsCache(cacheParent);\n\t\t}\n\t\tif (flags & 2) {\n\t\t\tItem._clearBoundsCache(this);\n\t\t}\n\t\tif (project)\n\t\t\tproject._changed(flags, this);\n\t\tif (symbol)\n\t\t\tsymbol._changed(flags);\n\t},\n\n\tgetId: function() {\n\t\treturn this._id;\n\t},\n\n\tgetName: function() {\n\t\treturn this._name;\n\t},\n\n\tsetName: function(name) {\n\n\t\tif (this._name)\n\t\t\tthis._removeNamed();\n\t\tif (name === (+name) + '')\n\t\t\tthrow new Error(\n\t\t\t\t\t'Names consisting only of numbers are not supported.');\n\t\tvar owner = this._getOwner();\n\t\tif (name && owner) {\n\t\t\tvar children = owner._children,\n\t\t\t\tnamedChildren = owner._namedChildren;\n\t\t\t(namedChildren[name] = namedChildren[name] || []).push(this);\n\t\t\tif (!(name in children))\n\t\t\t\tchildren[name] = this;\n\t\t}\n\t\tthis._name = name || undefined;\n\t\tthis._changed(256);\n\t},\n\n\tgetStyle: function() {\n\t\treturn this._style;\n\t},\n\n\tsetStyle: function(style) {\n\t\tthis.getStyle().set(style);\n\t}\n}, Base.each(['locked', 'visible', 'blendMode', 'opacity', 'guide'],\n\tfunction(name) {\n\t\tvar part = Base.capitalize(name),\n\t\t\tkey = '_' + name,\n\t\t\tflags = {\n\t\t\t\tlocked: 256,\n\t\t\t\tvisible: 265\n\t\t\t};\n\t\tthis['get' + part] = function() {\n\t\t\treturn this[key];\n\t\t};\n\t\tthis['set' + part] = function(value) {\n\t\t\tif (value != this[key]) {\n\t\t\t\tthis[key] = value;\n\t\t\t\tthis._changed(flags[name] || 257);\n\t\t\t}\n\t\t};\n\t},\n{}), {\n\tbeans: true,\n\n\tgetSelection: function() {\n\t\treturn this._selection;\n\t},\n\n\tsetSelection: function(selection) {\n\t\tif (selection !== this._selection) {\n\t\t\tthis._selection = selection;\n\t\t\tvar project = this._project;\n\t\t\tif (project) {\n\t\t\t\tproject._updateSelection(this);\n\t\t\t\tthis._changed(257);\n\t\t\t}\n\t\t}\n\t},\n\n\t_changeSelection: function(flag, selected) {\n\t\tvar selection = this._selection;\n\t\tthis.setSelection(selected ? selection | flag : selection & ~flag);\n\t},\n\n\tisSelected: function() {\n\t\tif (this._selectChildren) {\n\t\t\tvar children = this._children;\n\t\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\t\tif (children[i].isSelected())\n\t\t\t\t\treturn true;\n\t\t}\n\t\treturn !!(this._selection & 1);\n\t},\n\n\tsetSelected: function(selected) {\n\t\tif (this._selectChildren) {\n\t\t\tvar children = this._children;\n\t\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\t\tchildren[i].setSelected(selected);\n\t\t}\n\t\tthis._changeSelection(1, selected);\n\t},\n\n\tisFullySelected: function() {\n\t\tvar children = this._children,\n\t\t\tselected = !!(this._selection & 1);\n\t\tif (children && selected) {\n\t\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\t\tif (!children[i].isFullySelected())\n\t\t\t\t\treturn false;\n\t\t\treturn true;\n\t\t}\n\t\treturn selected;\n\t},\n\n\tsetFullySelected: function(selected) {\n\t\tvar children = this._children;\n\t\tif (children) {\n\t\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\t\tchildren[i].setFullySelected(selected);\n\t\t}\n\t\tthis._changeSelection(1, selected);\n\t},\n\n\tisClipMask: function() {\n\t\treturn this._clipMask;\n\t},\n\n\tsetClipMask: function(clipMask) {\n\t\tif (this._clipMask != (clipMask = !!clipMask)) {\n\t\t\tthis._clipMask = clipMask;\n\t\t\tif (clipMask) {\n\t\t\t\tthis.setFillColor(null);\n\t\t\t\tthis.setStrokeColor(null);\n\t\t\t}\n\t\t\tthis._changed(257);\n\t\t\tif (this._parent)\n\t\t\t\tthis._parent._changed(2048);\n\t\t}\n\t},\n\n\tgetData: function() {\n\t\tif (!this._data)\n\t\t\tthis._data = {};\n\t\treturn this._data;\n\t},\n\n\tsetData: function(data) {\n\t\tthis._data = data;\n\t},\n\n\tgetPosition: function(_dontLink) {\n\t\tvar ctor = _dontLink ? Point : LinkedPoint;\n\t\tvar position = this._position ||\n\t\t\t(this._position = this._getPositionFromBounds());\n\t\treturn new ctor(position.x, position.y, this, 'setPosition');\n\t},\n\n\tsetPosition: function() {\n\t\tthis.translate(Point.read(arguments).subtract(this.getPosition(true)));\n\t},\n\n\t_getPositionFromBounds: function(bounds) {\n\t\treturn this._pivot\n\t\t\t\t? this._matrix._transformPoint(this._pivot)\n\t\t\t\t: (bounds || this.getBounds()).getCenter(true);\n\t},\n\n\tgetPivot: function() {\n\t\tvar pivot = this._pivot;\n\t\treturn pivot\n\t\t\t\t? new LinkedPoint(pivot.x, pivot.y, this, 'setPivot')\n\t\t\t\t: null;\n\t},\n\n\tsetPivot: function() {\n\t\tthis._pivot = Point.read(arguments, 0, { clone: true, readNull: true });\n\t\tthis._position = undefined;\n\t}\n}, Base.each({\n\t\tgetStrokeBounds: { stroke: true },\n\t\tgetHandleBounds: { handle: true },\n\t\tgetInternalBounds: { internal: true }\n\t},\n\tfunction(options, key) {\n\t\tthis[key] = function(matrix) {\n\t\t\treturn this.getBounds(matrix, options);\n\t\t};\n\t},\n{\n\tbeans: true,\n\n\tgetBounds: function(matrix, options) {\n\t\tvar hasMatrix = options || matrix instanceof Matrix,\n\t\t\topts = Base.set({}, hasMatrix ? options : matrix,\n\t\t\t\t\tthis._boundsOptions);\n\t\tif (!opts.stroke || this.getStrokeScaling())\n\t\t\topts.cacheItem = this;\n\t\tvar rect = this._getCachedBounds(hasMatrix && matrix, opts).rect;\n\t\treturn !arguments.length\n\t\t\t\t? new LinkedRectangle(rect.x, rect.y, rect.width, rect.height,\n\t\t\t\t\tthis, 'setBounds')\n\t\t\t\t: rect;\n\t},\n\n\tsetBounds: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\tbounds = this.getBounds(),\n\t\t\t_matrix = this._matrix,\n\t\t\tmatrix = new Matrix(),\n\t\t\tcenter = rect.getCenter();\n\t\tmatrix.translate(center);\n\t\tif (rect.width != bounds.width || rect.height != bounds.height) {\n\t\t\tif (!_matrix.isInvertible()) {\n\t\t\t\t_matrix.set(_matrix._backup\n\t\t\t\t\t\t|| new Matrix().translate(_matrix.getTranslation()));\n\t\t\t\tbounds = this.getBounds();\n\t\t\t}\n\t\t\tmatrix.scale(\n\t\t\t\t\tbounds.width !== 0 ? rect.width / bounds.width : 0,\n\t\t\t\t\tbounds.height !== 0 ? rect.height / bounds.height : 0);\n\t\t}\n\t\tcenter = bounds.getCenter();\n\t\tmatrix.translate(-center.x, -center.y);\n\t\tthis.transform(matrix);\n\t},\n\n\t_getBounds: function(matrix, options) {\n\t\tvar children = this._children;\n\t\tif (!children || !children.length)\n\t\t\treturn new Rectangle();\n\t\tItem._updateBoundsCache(this, options.cacheItem);\n\t\treturn Item._getBounds(children, matrix, options);\n\t},\n\n\t_getBoundsCacheKey: function(options, internal) {\n\t\treturn [\n\t\t\toptions.stroke ? 1 : 0,\n\t\t\toptions.handle ? 1 : 0,\n\t\t\tinternal ? 1 : 0\n\t\t].join('');\n\t},\n\n\t_getCachedBounds: function(matrix, options, noInternal) {\n\t\tmatrix = matrix && matrix._orNullIfIdentity();\n\t\tvar internal = options.internal && !noInternal,\n\t\t\tcacheItem = options.cacheItem,\n\t\t\t_matrix = internal ? null : this._matrix._orNullIfIdentity(),\n\t\t\tcacheKey = cacheItem && (!matrix || matrix.equals(_matrix))\n\t\t\t\t&& this._getBoundsCacheKey(options, internal),\n\t\t\tbounds = this._bounds;\n\t\tItem._updateBoundsCache(this._parent || this._symbol, cacheItem);\n\t\tif (cacheKey && bounds && cacheKey in bounds) {\n\t\t\tvar cached = bounds[cacheKey];\n\t\t\treturn {\n\t\t\t\trect: cached.rect.clone(),\n\t\t\t\tnonscaling: cached.nonscaling\n\t\t\t};\n\t\t}\n\t\tvar res = this._getBounds(matrix || _matrix, options),\n\t\t\trect = res.rect || res,\n\t\t\tstyle = this._style,\n\t\t\tnonscaling = res.nonscaling || style.hasStroke()\n\t\t\t\t&& !style.getStrokeScaling();\n\t\tif (cacheKey) {\n\t\t\tif (!bounds) {\n\t\t\t\tthis._bounds = bounds = {};\n\t\t\t}\n\t\t\tvar cached = bounds[cacheKey] = {\n\t\t\t\trect: rect.clone(),\n\t\t\t\tnonscaling: nonscaling,\n\t\t\t\tinternal: internal\n\t\t\t};\n\t\t}\n\t\treturn {\n\t\t\trect: rect,\n\t\t\tnonscaling: nonscaling\n\t\t};\n\t},\n\n\t_getStrokeMatrix: function(matrix, options) {\n\t\tvar parent = this.getStrokeScaling() ? null\n\t\t\t\t: options && options.internal ? this\n\t\t\t\t\t: this._parent || this._symbol && this._symbol._item,\n\t\t\tmx = parent ? parent.getViewMatrix().invert() : matrix;\n\t\treturn mx && mx._shiftless();\n\t},\n\n\tstatics: {\n\t\t_updateBoundsCache: function(parent, item) {\n\t\t\tif (parent && item) {\n\t\t\t\tvar id = item._id,\n\t\t\t\t\tref = parent._boundsCache = parent._boundsCache || {\n\t\t\t\t\t\tids: {},\n\t\t\t\t\t\tlist: []\n\t\t\t\t\t};\n\t\t\t\tif (!ref.ids[id]) {\n\t\t\t\t\tref.list.push(item);\n\t\t\t\t\tref.ids[id] = item;\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t_clearBoundsCache: function(item) {\n\t\t\tvar cache = item._boundsCache;\n\t\t\tif (cache) {\n\t\t\t\titem._bounds = item._position = item._boundsCache = undefined;\n\t\t\t\tfor (var i = 0, list = cache.list, l = list.length; i < l; i++){\n\t\t\t\t\tvar other = list[i];\n\t\t\t\t\tif (other !== item) {\n\t\t\t\t\t\tother._bounds = other._position = undefined;\n\t\t\t\t\t\tif (other._boundsCache)\n\t\t\t\t\t\t\tItem._clearBoundsCache(other);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t_getBounds: function(items, matrix, options) {\n\t\t\tvar x1 = Infinity,\n\t\t\t\tx2 = -x1,\n\t\t\t\ty1 = x1,\n\t\t\t\ty2 = x2,\n\t\t\t\tnonscaling = false;\n\t\t\toptions = options || {};\n\t\t\tfor (var i = 0, l = items.length; i < l; i++) {\n\t\t\t\tvar item = items[i];\n\t\t\t\tif (item._visible && !item.isEmpty(true)) {\n\t\t\t\t\tvar bounds = item._getCachedBounds(\n\t\t\t\t\t\tmatrix && matrix.appended(item._matrix), options, true),\n\t\t\t\t\t\trect = bounds.rect;\n\t\t\t\t\tx1 = Math.min(rect.x, x1);\n\t\t\t\t\ty1 = Math.min(rect.y, y1);\n\t\t\t\t\tx2 = Math.max(rect.x + rect.width, x2);\n\t\t\t\t\ty2 = Math.max(rect.y + rect.height, y2);\n\t\t\t\t\tif (bounds.nonscaling)\n\t\t\t\t\t\tnonscaling = true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn {\n\t\t\t\trect: isFinite(x1)\n\t\t\t\t\t? new Rectangle(x1, y1, x2 - x1, y2 - y1)\n\t\t\t\t\t: new Rectangle(),\n\t\t\t\tnonscaling: nonscaling\n\t\t\t};\n\t\t}\n\t}\n\n}), {\n\tbeans: true,\n\n\t_decompose: function() {\n\t\treturn this._applyMatrix\n\t\t\t? null\n\t\t\t: this._decomposed || (this._decomposed = this._matrix.decompose());\n\t},\n\n\tgetRotation: function() {\n\t\tvar decomposed = this._decompose();\n\t\treturn decomposed ? decomposed.rotation : 0;\n\t},\n\n\tsetRotation: function(rotation) {\n\t\tvar current = this.getRotation();\n\t\tif (current != null && rotation != null) {\n\t\t\tvar decomposed = this._decomposed;\n\t\t\tthis.rotate(rotation - current);\n\t\t\tif (decomposed) {\n\t\t\t\tdecomposed.rotation = rotation;\n\t\t\t\tthis._decomposed = decomposed;\n\t\t\t}\n\t\t}\n\t},\n\n\tgetScaling: function() {\n\t\tvar decomposed = this._decompose(),\n\t\t\ts = decomposed && decomposed.scaling;\n\t\treturn new LinkedPoint(s ? s.x : 1, s ? s.y : 1, this, 'setScaling');\n\t},\n\n\tsetScaling: function() {\n\t\tvar current = this.getScaling(),\n\t\t\tscaling = Point.read(arguments, 0, { clone: true, readNull: true });\n\t\tif (current && scaling && !current.equals(scaling)) {\n\t\t\tvar rotation = this.getRotation(),\n\t\t\t\tdecomposed = this._decomposed,\n\t\t\t\tmatrix = new Matrix(),\n\t\t\t\tisZero = Numerical.isZero;\n\t\t\tif (isZero(current.x) || isZero(current.y)) {\n\t\t\t\tmatrix.translate(decomposed.translation);\n\t\t\t\tif (rotation) {\n\t\t\t\t\tmatrix.rotate(rotation);\n\t\t\t\t}\n\t\t\t\tmatrix.scale(scaling.x, scaling.y);\n\t\t\t\tthis._matrix.set(matrix);\n\t\t\t} else {\n\t\t\t\tvar center = this.getPosition(true);\n\t\t\t\tmatrix.translate(center);\n\t\t\t\tif (rotation)\n\t\t\t\t\tmatrix.rotate(rotation);\n\t\t\t\tmatrix.scale(scaling.x / current.x, scaling.y / current.y);\n\t\t\t\tif (rotation)\n\t\t\t\t\tmatrix.rotate(-rotation);\n\t\t\t\tmatrix.translate(center.negate());\n\t\t\t\tthis.transform(matrix);\n\t\t\t}\n\t\t\tif (decomposed) {\n\t\t\t\tdecomposed.scaling = scaling;\n\t\t\t\tthis._decomposed = decomposed;\n\t\t\t}\n\t\t}\n\t},\n\n\tgetMatrix: function() {\n\t\treturn this._matrix;\n\t},\n\n\tsetMatrix: function() {\n\t\tvar matrix = this._matrix;\n\t\tmatrix.set.apply(matrix, arguments);\n\t},\n\n\tgetGlobalMatrix: function(_dontClone) {\n\t\tvar matrix = this._globalMatrix;\n\t\tif (matrix) {\n\t\t\tvar parent = this._parent;\n\t\t\tvar parents = [];\n\t\t\twhile (parent) {\n\t\t\t\tif (!parent._globalMatrix) {\n\t\t\t\t\tmatrix = null;\n\t\t\t\t\tfor (var i = 0, l = parents.length; i < l; i++) {\n\t\t\t\t\t\tparents[i]._globalMatrix = null;\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tparents.push(parent);\n\t\t\t\tparent = parent._parent;\n\t\t\t}\n\t\t}\n\t\tif (!matrix) {\n\t\t\tmatrix = this._globalMatrix = this._matrix.clone();\n\t\t\tvar parent = this._parent;\n\t\t\tif (parent)\n\t\t\t\tmatrix.prepend(parent.getGlobalMatrix(true));\n\t\t}\n\t\treturn _dontClone ? matrix : matrix.clone();\n\t},\n\n\tgetViewMatrix: function() {\n\t\treturn this.getGlobalMatrix().prepend(this.getView()._matrix);\n\t},\n\n\tgetApplyMatrix: function() {\n\t\treturn this._applyMatrix;\n\t},\n\n\tsetApplyMatrix: function(apply) {\n\t\tif (this._applyMatrix = this._canApplyMatrix && !!apply)\n\t\t\tthis.transform(null, true);\n\t},\n\n\tgetTransformContent: '#getApplyMatrix',\n\tsetTransformContent: '#setApplyMatrix',\n}, {\n\tgetProject: function() {\n\t\treturn this._project;\n\t},\n\n\t_setProject: function(project, installEvents) {\n\t\tif (this._project !== project) {\n\t\t\tif (this._project)\n\t\t\t\tthis._installEvents(false);\n\t\t\tthis._project = project;\n\t\t\tvar children = this._children;\n\t\t\tfor (var i = 0, l = children && children.length; i < l; i++)\n\t\t\t\tchildren[i]._setProject(project);\n\t\t\tinstallEvents = true;\n\t\t}\n\t\tif (installEvents)\n\t\t\tthis._installEvents(true);\n\t},\n\n\tgetView: function() {\n\t\treturn this._project._view;\n\t},\n\n\t_installEvents: function _installEvents(install) {\n\t\t_installEvents.base.call(this, install);\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children && children.length; i < l; i++)\n\t\t\tchildren[i]._installEvents(install);\n\t},\n\n\tgetLayer: function() {\n\t\tvar parent = this;\n\t\twhile (parent = parent._parent) {\n\t\t\tif (parent instanceof Layer)\n\t\t\t\treturn parent;\n\t\t}\n\t\treturn null;\n\t},\n\n\tgetParent: function() {\n\t\treturn this._parent;\n\t},\n\n\tsetParent: function(item) {\n\t\treturn item.addChild(this);\n\t},\n\n\t_getOwner: '#getParent',\n\n\tgetChildren: function() {\n\t\treturn this._children;\n\t},\n\n\tsetChildren: function(items) {\n\t\tthis.removeChildren();\n\t\tthis.addChildren(items);\n\t},\n\n\tgetFirstChild: function() {\n\t\treturn this._children && this._children[0] || null;\n\t},\n\n\tgetLastChild: function() {\n\t\treturn this._children && this._children[this._children.length - 1]\n\t\t\t\t|| null;\n\t},\n\n\tgetNextSibling: function() {\n\t\tvar owner = this._getOwner();\n\t\treturn owner && owner._children[this._index + 1] || null;\n\t},\n\n\tgetPreviousSibling: function() {\n\t\tvar owner = this._getOwner();\n\t\treturn owner && owner._children[this._index - 1] || null;\n\t},\n\n\tgetIndex: function() {\n\t\treturn this._index;\n\t},\n\n\tequals: function(item) {\n\t\treturn item === this || item && this._class === item._class\n\t\t\t\t&& this._style.equals(item._style)\n\t\t\t\t&& this._matrix.equals(item._matrix)\n\t\t\t\t&& this._locked === item._locked\n\t\t\t\t&& this._visible === item._visible\n\t\t\t\t&& this._blendMode === item._blendMode\n\t\t\t\t&& this._opacity === item._opacity\n\t\t\t\t&& this._clipMask === item._clipMask\n\t\t\t\t&& this._guide === item._guide\n\t\t\t\t&& this._equals(item)\n\t\t\t\t|| false;\n\t},\n\n\t_equals: function(item) {\n\t\treturn Base.equals(this._children, item._children);\n\t},\n\n\tclone: function(options) {\n\t\tvar copy = new this.constructor(Item.NO_INSERT),\n\t\t\tchildren = this._children,\n\t\t\tinsert = Base.pick(options ? options.insert : undefined,\n\t\t\t\t\toptions === undefined || options === true),\n\t\t\tdeep = Base.pick(options ? options.deep : undefined, true);\n\t\tif (children)\n\t\t\tcopy.copyAttributes(this);\n\t\tif (!children || deep)\n\t\t\tcopy.copyContent(this);\n\t\tif (!children)\n\t\t\tcopy.copyAttributes(this);\n\t\tif (insert)\n\t\t\tcopy.insertAbove(this);\n\t\tvar name = this._name,\n\t\t\tparent = this._parent;\n\t\tif (name && parent) {\n\t\t\tvar children = parent._children,\n\t\t\t\torig = name,\n\t\t\t\ti = 1;\n\t\t\twhile (children[name])\n\t\t\t\tname = orig + ' ' + (i++);\n\t\t\tif (name !== orig)\n\t\t\t\tcopy.setName(name);\n\t\t}\n\t\treturn copy;\n\t},\n\n\tcopyContent: function(source) {\n\t\tvar children = source._children;\n\t\tfor (var i = 0, l = children && children.length; i < l; i++) {\n\t\t\tthis.addChild(children[i].clone(false), true);\n\t\t}\n\t},\n\n\tcopyAttributes: function(source, excludeMatrix) {\n\t\tthis.setStyle(source._style);\n\t\tvar keys = ['_locked', '_visible', '_blendMode', '_opacity',\n\t\t\t\t'_clipMask', '_guide'];\n\t\tfor (var i = 0, l = keys.length; i < l; i++) {\n\t\t\tvar key = keys[i];\n\t\t\tif (source.hasOwnProperty(key))\n\t\t\t\tthis[key] = source[key];\n\t\t}\n\t\tif (!excludeMatrix)\n\t\t\tthis._matrix.set(source._matrix, true);\n\t\tthis.setApplyMatrix(source._applyMatrix);\n\t\tthis.setPivot(source._pivot);\n\t\tthis.setSelection(source._selection);\n\t\tvar data = source._data,\n\t\t\tname = source._name;\n\t\tthis._data = data ? Base.clone(data) : null;\n\t\tif (name)\n\t\t\tthis.setName(name);\n\t},\n\n\trasterize: function(arg0, arg1) {\n\t\tvar resolution,\n\t\t\tinsert,\n\t\t\traster;\n\t\tif (Base.isPlainObject(arg0)) {\n\t\t\tresolution = arg0.resolution;\n\t\t\tinsert = arg0.insert;\n\t\t\traster = arg0.raster;\n\t\t} else {\n\t\t\tresolution = arg0;\n\t\t\tinsert = arg1;\n\t\t}\n\t\tif (raster) {\n\t\t\traster.matrix.reset(true);\n\t\t} else {\n\t\t\traster = new Raster(Item.NO_INSERT);\n\t\t}\n\t\tvar bounds = this.getStrokeBounds(),\n\t\t\tscale = (resolution || this.getView().getResolution()) / 72,\n\t\t\ttopLeft = bounds.getTopLeft().floor(),\n\t\t\tbottomRight = bounds.getBottomRight().ceil(),\n\t\t\tboundsSize = new Size(bottomRight.subtract(topLeft)),\n\t\t\trasterSize = boundsSize.multiply(scale);\n\t\traster.setSize(rasterSize, true);\n\n\t\tif (!rasterSize.isZero()) {\n\t\t\tvar ctx = raster.getContext(true),\n\t\t\t\tmatrix = new Matrix().scale(scale).translate(topLeft.negate());\n\t\t\tctx.save();\n\t\t\tmatrix.applyToContext(ctx);\n\t\t\tthis.draw(ctx, new Base({ matrices: [matrix] }));\n\t\t\tctx.restore();\n\t\t}\n\t\traster.transform(\n\t\t\tnew Matrix()\n\t\t\t\t.translate(topLeft.add(boundsSize.divide(2)))\n\t\t\t\t.scale(1 / scale)\n\t\t);\n\t\tif (insert === undefined || insert) {\n\t\t\traster.insertAbove(this);\n\t\t}\n\t\treturn raster;\n\t},\n\n\tcontains: function() {\n\t\tvar matrix = this._matrix;\n\t\treturn (\n\t\t\tmatrix.isInvertible() &&\n\t\t\t!!this._contains(matrix._inverseTransform(Point.read(arguments)))\n\t\t);\n\t},\n\n\t_contains: function(point) {\n\t\tvar children = this._children;\n\t\tif (children) {\n\t\t\tfor (var i = children.length - 1; i >= 0; i--) {\n\t\t\t\tif (children[i].contains(point))\n\t\t\t\t\treturn true;\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\t\treturn point.isInside(this.getInternalBounds());\n\t},\n\n\tisInside: function() {\n\t\treturn Rectangle.read(arguments).contains(this.getBounds());\n\t},\n\n\t_asPathItem: function() {\n\t\treturn new Path.Rectangle({\n\t\t\trectangle: this.getInternalBounds(),\n\t\t\tmatrix: this._matrix,\n\t\t\tinsert: false,\n\t\t});\n\t},\n\n\tintersects: function(item, _matrix) {\n\t\tif (!(item instanceof Item))\n\t\t\treturn false;\n\t\treturn this._asPathItem().getIntersections(item._asPathItem(), null,\n\t\t\t\t_matrix, true).length > 0;\n\t}\n},\nnew function() {\n\tfunction hitTest() {\n\t\tvar args = arguments;\n\t\treturn this._hitTest(\n\t\t\t\tPoint.read(args),\n\t\t\t\tHitResult.getOptions(args));\n\t}\n\n\tfunction hitTestAll() {\n\t\tvar args = arguments,\n\t\t\tpoint = Point.read(args),\n\t\t\toptions = HitResult.getOptions(args),\n\t\t\tall = [];\n\t\tthis._hitTest(point, new Base({ all: all }, options));\n\t\treturn all;\n\t}\n\n\tfunction hitTestChildren(point, options, viewMatrix, _exclude) {\n\t\tvar children = this._children;\n\t\tif (children) {\n\t\t\tfor (var i = children.length - 1; i >= 0; i--) {\n\t\t\t\tvar child = children[i];\n\t\t\t\tvar res = child !== _exclude && child._hitTest(point, options,\n\t\t\t\t\t\tviewMatrix);\n\t\t\t\tif (res && !options.all)\n\t\t\t\t\treturn res;\n\t\t\t}\n\t\t}\n\t\treturn null;\n\t}\n\n\tProject.inject({\n\t\thitTest: hitTest,\n\t\thitTestAll: hitTestAll,\n\t\t_hitTest: hitTestChildren\n\t});\n\n\treturn {\n\t\thitTest: hitTest,\n\t\thitTestAll: hitTestAll,\n\t\t_hitTestChildren: hitTestChildren,\n\t};\n}, {\n\n\t_hitTest: function(point, options, parentViewMatrix) {\n\t\tif (this._locked || !this._visible || this._guide && !options.guides\n\t\t\t\t|| this.isEmpty()) {\n\t\t\treturn null;\n\t\t}\n\n\t\tvar matrix = this._matrix,\n\t\t\tviewMatrix = parentViewMatrix\n\t\t\t\t\t? parentViewMatrix.appended(matrix)\n\t\t\t\t\t: this.getGlobalMatrix().prepend(this.getView()._matrix),\n\t\t\ttolerance = Math.max(options.tolerance, 1e-12),\n\t\t\ttolerancePadding = options._tolerancePadding = new Size(\n\t\t\t\t\tPath._getStrokePadding(tolerance,\n\t\t\t\t\t\tmatrix._shiftless().invert()));\n\t\tpoint = matrix._inverseTransform(point);\n\t\tif (!point || !this._children &&\n\t\t\t!this.getBounds({ internal: true, stroke: true, handle: true })\n\t\t\t\t.expand(tolerancePadding.multiply(2))._containsPoint(point)) {\n\t\t\treturn null;\n\t\t}\n\n\t\tvar checkSelf = !(options.guides && !this._guide\n\t\t\t\t|| options.selected && !this.isSelected()\n\t\t\t\t|| options.type && options.type !== Base.hyphenate(this._class)\n\t\t\t\t|| options.class && !(this instanceof options.class)),\n\t\t\tmatch = options.match,\n\t\t\tthat = this,\n\t\t\tbounds,\n\t\t\tres;\n\n\t\tfunction filter(hit) {\n\t\t\tif (hit && match && !match(hit))\n\t\t\t\thit = null;\n\t\t\tif (hit && options.all)\n\t\t\t\toptions.all.push(hit);\n\t\t\treturn hit;\n\t\t}\n\n\t\tfunction checkPoint(type, part) {\n\t\t\tvar pt = part ? bounds['get' + part]() : that.getPosition();\n\t\t\tif (point.subtract(pt).divide(tolerancePadding).length <= 1) {\n\t\t\t\treturn new HitResult(type, that, {\n\t\t\t\t\tname: part ? Base.hyphenate(part) : type,\n\t\t\t\t\tpoint: pt\n\t\t\t\t});\n\t\t\t}\n\t\t}\n\n\t\tvar checkPosition = options.position,\n\t\t\tcheckCenter = options.center,\n\t\t\tcheckBounds = options.bounds;\n\t\tif (checkSelf && this._parent\n\t\t\t\t&& (checkPosition || checkCenter || checkBounds)) {\n\t\t\tif (checkCenter || checkBounds) {\n\t\t\t\tbounds = this.getInternalBounds();\n\t\t\t}\n\t\t\tres = checkPosition && checkPoint('position') ||\n\t\t\t\t\tcheckCenter && checkPoint('center', 'Center');\n\t\t\tif (!res && checkBounds) {\n\t\t\t\tvar points = [\n\t\t\t\t\t'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',\n\t\t\t\t\t'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'\n\t\t\t\t];\n\t\t\t\tfor (var i = 0; i < 8 && !res; i++) {\n\t\t\t\t\tres = checkPoint('bounds', points[i]);\n\t\t\t\t}\n\t\t\t}\n\t\t\tres = filter(res);\n\t\t}\n\n\t\tif (!res) {\n\t\t\tres = this._hitTestChildren(point, options, viewMatrix)\n\t\t\t\t|| checkSelf\n\t\t\t\t\t&& filter(this._hitTestSelf(point, options, viewMatrix,\n\t\t\t\t\t\tthis.getStrokeScaling() ? null\n\t\t\t\t\t\t\t: viewMatrix._shiftless().invert()))\n\t\t\t\t|| null;\n\t\t}\n\t\tif (res && res.point) {\n\t\t\tres.point = matrix.transform(res.point);\n\t\t}\n\t\treturn res;\n\t},\n\n\t_hitTestSelf: function(point, options) {\n\t\tif (options.fill && this.hasFill() && this._contains(point))\n\t\t\treturn new HitResult('fill', this);\n\t},\n\n\tmatches: function(name, compare) {\n\t\tfunction matchObject(obj1, obj2) {\n\t\t\tfor (var i in obj1) {\n\t\t\t\tif (obj1.hasOwnProperty(i)) {\n\t\t\t\t\tvar val1 = obj1[i],\n\t\t\t\t\t\tval2 = obj2[i];\n\t\t\t\t\tif (Base.isPlainObject(val1) && Base.isPlainObject(val2)) {\n\t\t\t\t\t\tif (!matchObject(val1, val2))\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t} else if (!Base.equals(val1, val2)) {\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t\tvar type = typeof name;\n\t\tif (type === 'object') {\n\t\t\tfor (var key in name) {\n\t\t\t\tif (name.hasOwnProperty(key) && !this.matches(key, name[key]))\n\t\t\t\t\treturn false;\n\t\t\t}\n\t\t\treturn true;\n\t\t} else if (type === 'function') {\n\t\t\treturn name(this);\n\t\t} else if (name === 'match') {\n\t\t\treturn compare(this);\n\t\t} else {\n\t\t\tvar value = /^(empty|editable)$/.test(name)\n\t\t\t\t\t? this['is' + Base.capitalize(name)]()\n\t\t\t\t\t: name === 'type'\n\t\t\t\t\t\t? Base.hyphenate(this._class)\n\t\t\t\t\t\t: this[name];\n\t\t\tif (name === 'class') {\n\t\t\t\tif (typeof compare === 'function')\n\t\t\t\t\treturn this instanceof compare;\n\t\t\t\tvalue = this._class;\n\t\t\t}\n\t\t\tif (typeof compare === 'function') {\n\t\t\t\treturn !!compare(value);\n\t\t\t} else if (compare) {\n\t\t\t\tif (compare.test) {\n\t\t\t\t\treturn compare.test(value);\n\t\t\t\t} else if (Base.isPlainObject(compare)) {\n\t\t\t\t\treturn matchObject(compare, value);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn Base.equals(value, compare);\n\t\t}\n\t},\n\n\tgetItems: function(options) {\n\t\treturn Item._getItems(this, options, this._matrix);\n\t},\n\n\tgetItem: function(options) {\n\t\treturn Item._getItems(this, options, this._matrix, null, true)[0]\n\t\t\t\t|| null;\n\t},\n\n\tstatics: {\n\t\t_getItems: function _getItems(item, options, matrix, param, firstOnly) {\n\t\t\tif (!param) {\n\t\t\t\tvar obj = typeof options === 'object' && options,\n\t\t\t\t\toverlapping = obj && obj.overlapping,\n\t\t\t\t\tinside = obj && obj.inside,\n\t\t\t\t\tbounds = overlapping || inside,\n\t\t\t\t\trect = bounds && Rectangle.read([bounds]);\n\t\t\t\tparam = {\n\t\t\t\t\titems: [],\n\t\t\t\t\trecursive: obj && obj.recursive !== false,\n\t\t\t\t\tinside: !!inside,\n\t\t\t\t\toverlapping: !!overlapping,\n\t\t\t\t\trect: rect,\n\t\t\t\t\tpath: overlapping && new Path.Rectangle({\n\t\t\t\t\t\trectangle: rect,\n\t\t\t\t\t\tinsert: false\n\t\t\t\t\t})\n\t\t\t\t};\n\t\t\t\tif (obj) {\n\t\t\t\t\toptions = Base.filter({}, options, {\n\t\t\t\t\t\trecursive: true, inside: true, overlapping: true\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t}\n\t\t\tvar children = item._children,\n\t\t\t\titems = param.items,\n\t\t\t\trect = param.rect;\n\t\t\tmatrix = rect && (matrix || new Matrix());\n\t\t\tfor (var i = 0, l = children && children.length; i < l; i++) {\n\t\t\t\tvar child = children[i],\n\t\t\t\t\tchildMatrix = matrix && matrix.appended(child._matrix),\n\t\t\t\t\tadd = true;\n\t\t\t\tif (rect) {\n\t\t\t\t\tvar bounds = child.getBounds(childMatrix);\n\t\t\t\t\tif (!rect.intersects(bounds))\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tif (!(rect.contains(bounds)\n\t\t\t\t\t\t\t|| param.overlapping && (bounds.contains(rect)\n\t\t\t\t\t\t\t\t|| param.path.intersects(child, childMatrix))))\n\t\t\t\t\t\tadd = false;\n\t\t\t\t}\n\t\t\t\tif (add && child.matches(options)) {\n\t\t\t\t\titems.push(child);\n\t\t\t\t\tif (firstOnly)\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif (param.recursive !== false) {\n\t\t\t\t\t_getItems(child, options, childMatrix, param, firstOnly);\n\t\t\t\t}\n\t\t\t\tif (firstOnly && items.length > 0)\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t\treturn items;\n\t\t}\n\t}\n}, {\n\n\timportJSON: function(json) {\n\t\tvar res = Base.importJSON(json, this);\n\t\treturn res !== this ? this.addChild(res) : res;\n\t},\n\n\taddChild: function(item) {\n\t\treturn this.insertChild(undefined, item);\n\t},\n\n\tinsertChild: function(index, item) {\n\t\tvar res = item ? this.insertChildren(index, [item]) : null;\n\t\treturn res && res[0];\n\t},\n\n\taddChildren: function(items) {\n\t\treturn this.insertChildren(this._children.length, items);\n\t},\n\n\tinsertChildren: function(index, items) {\n\t\tvar children = this._children;\n\t\tif (children && items && items.length > 0) {\n\t\t\titems = Base.slice(items);\n\t\t\tvar inserted = {};\n\t\t\tfor (var i = items.length - 1; i >= 0; i--) {\n\t\t\t\tvar item = items[i],\n\t\t\t\t\tid = item && item._id;\n\t\t\t\tif (!item || inserted[id]) {\n\t\t\t\t\titems.splice(i, 1);\n\t\t\t\t} else {\n\t\t\t\t\titem._remove(false, true);\n\t\t\t\t\tinserted[id] = true;\n\t\t\t\t}\n\t\t\t}\n\t\t\tBase.splice(children, items, index, 0);\n\t\t\tvar project = this._project,\n\t\t\t\tnotifySelf = project._changes;\n\t\t\tfor (var i = 0, l = items.length; i < l; i++) {\n\t\t\t\tvar item = items[i],\n\t\t\t\t\tname = item._name;\n\t\t\t\titem._parent = this;\n\t\t\t\titem._setProject(project, true);\n\t\t\t\tif (name)\n\t\t\t\t\titem.setName(name);\n\t\t\t\tif (notifySelf)\n\t\t\t\t\titem._changed(5);\n\t\t\t}\n\t\t\tthis._changed(11);\n\t\t} else {\n\t\t\titems = null;\n\t\t}\n\t\treturn items;\n\t},\n\n\t_insertItem: '#insertChild',\n\n\t_insertAt: function(item, offset) {\n\t\tvar owner = item && item._getOwner(),\n\t\t\tres = item !== this && owner ? this : null;\n\t\tif (res) {\n\t\t\tres._remove(false, true);\n\t\t\towner._insertItem(item._index + offset, res);\n\t\t}\n\t\treturn res;\n\t},\n\n\tinsertAbove: function(item) {\n\t\treturn this._insertAt(item, 1);\n\t},\n\n\tinsertBelow: function(item) {\n\t\treturn this._insertAt(item, 0);\n\t},\n\n\tsendToBack: function() {\n\t\tvar owner = this._getOwner();\n\t\treturn owner ? owner._insertItem(0, this) : null;\n\t},\n\n\tbringToFront: function() {\n\t\tvar owner = this._getOwner();\n\t\treturn owner ? owner._insertItem(undefined, this) : null;\n\t},\n\n\tappendTop: '#addChild',\n\n\tappendBottom: function(item) {\n\t\treturn this.insertChild(0, item);\n\t},\n\n\tmoveAbove: '#insertAbove',\n\n\tmoveBelow: '#insertBelow',\n\n\taddTo: function(owner) {\n\t\treturn owner._insertItem(undefined, this);\n\t},\n\n\tcopyTo: function(owner) {\n\t\treturn this.clone(false).addTo(owner);\n\t},\n\n\treduce: function(options) {\n\t\tvar children = this._children;\n\t\tif (children && children.length === 1) {\n\t\t\tvar child = children[0].reduce(options);\n\t\t\tif (this._parent) {\n\t\t\t\tchild.insertAbove(this);\n\t\t\t\tthis.remove();\n\t\t\t} else {\n\t\t\t\tchild.remove();\n\t\t\t}\n\t\t\treturn child;\n\t\t}\n\t\treturn this;\n\t},\n\n\t_removeNamed: function() {\n\t\tvar owner = this._getOwner();\n\t\tif (owner) {\n\t\t\tvar children = owner._children,\n\t\t\t\tnamedChildren = owner._namedChildren,\n\t\t\t\tname = this._name,\n\t\t\t\tnamedArray = namedChildren[name],\n\t\t\t\tindex = namedArray ? namedArray.indexOf(this) : -1;\n\t\t\tif (index !== -1) {\n\t\t\t\tif (children[name] == this)\n\t\t\t\t\tdelete children[name];\n\t\t\t\tnamedArray.splice(index, 1);\n\t\t\t\tif (namedArray.length) {\n\t\t\t\t\tchildren[name] = namedArray[0];\n\t\t\t\t} else {\n\t\t\t\t\tdelete namedChildren[name];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\t_remove: function(notifySelf, notifyParent) {\n\t\tvar owner = this._getOwner(),\n\t\t\tproject = this._project,\n\t\t\tindex = this._index;\n\t\tif (this._style)\n\t\t\tthis._style._dispose();\n\t\tif (owner) {\n\t\t\tif (this._name)\n\t\t\t\tthis._removeNamed();\n\t\t\tif (index != null) {\n\t\t\t\tif (project._activeLayer === this)\n\t\t\t\t\tproject._activeLayer = this.getNextSibling()\n\t\t\t\t\t\t\t|| this.getPreviousSibling();\n\t\t\t\tBase.splice(owner._children, null, index, 1);\n\t\t\t}\n\t\t\tthis._installEvents(false);\n\t\t\tif (notifySelf && project._changes)\n\t\t\t\tthis._changed(5);\n\t\t\tif (notifyParent)\n\t\t\t\towner._changed(11, this);\n\t\t\tthis._parent = null;\n\t\t\treturn true;\n\t\t}\n\t\treturn false;\n\t},\n\n\tremove: function() {\n\t\treturn this._remove(true, true);\n\t},\n\n\treplaceWith: function(item) {\n\t\tvar ok = item && item.insertBelow(this);\n\t\tif (ok)\n\t\t\tthis.remove();\n\t\treturn ok;\n\t},\n\n\tremoveChildren: function(start, end) {\n\t\tif (!this._children)\n\t\t\treturn null;\n\t\tstart = start || 0;\n\t\tend = Base.pick(end, this._children.length);\n\t\tvar removed = Base.splice(this._children, null, start, end - start);\n\t\tfor (var i = removed.length - 1; i >= 0; i--) {\n\t\t\tremoved[i]._remove(true, false);\n\t\t}\n\t\tif (removed.length > 0)\n\t\t\tthis._changed(11);\n\t\treturn removed;\n\t},\n\n\tclear: '#removeChildren',\n\n\treverseChildren: function() {\n\t\tif (this._children) {\n\t\t\tthis._children.reverse();\n\t\t\tfor (var i = 0, l = this._children.length; i < l; i++)\n\t\t\t\tthis._children[i]._index = i;\n\t\t\tthis._changed(11);\n\t\t}\n\t},\n\n\tisEmpty: function(recursively) {\n\t\tvar children = this._children;\n\t\tvar numChildren = children ? children.length : 0;\n\t\tif (recursively) {\n\t\t\tfor (var i = 0; i < numChildren; i++) {\n\t\t\t\tif (!children[i].isEmpty(recursively)) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t\treturn !numChildren;\n\t},\n\n\tisEditable: function() {\n\t\tvar item = this;\n\t\twhile (item) {\n\t\t\tif (!item._visible || item._locked)\n\t\t\t\treturn false;\n\t\t\titem = item._parent;\n\t\t}\n\t\treturn true;\n\t},\n\n\thasFill: function() {\n\t\treturn this.getStyle().hasFill();\n\t},\n\n\thasStroke: function() {\n\t\treturn this.getStyle().hasStroke();\n\t},\n\n\thasShadow: function() {\n\t\treturn this.getStyle().hasShadow();\n\t},\n\n\t_getOrder: function(item) {\n\t\tfunction getList(item) {\n\t\t\tvar list = [];\n\t\t\tdo {\n\t\t\t\tlist.unshift(item);\n\t\t\t} while (item = item._parent);\n\t\t\treturn list;\n\t\t}\n\t\tvar list1 = getList(this),\n\t\t\tlist2 = getList(item);\n\t\tfor (var i = 0, l = Math.min(list1.length, list2.length); i < l; i++) {\n\t\t\tif (list1[i] != list2[i]) {\n\t\t\t\treturn list1[i]._index < list2[i]._index ? 1 : -1;\n\t\t\t}\n\t\t}\n\t\treturn 0;\n\t},\n\n\thasChildren: function() {\n\t\treturn this._children && this._children.length > 0;\n\t},\n\n\tisInserted: function() {\n\t\treturn this._parent ? this._parent.isInserted() : false;\n\t},\n\n\tisAbove: function(item) {\n\t\treturn this._getOrder(item) === -1;\n\t},\n\n\tisBelow: function(item) {\n\t\treturn this._getOrder(item) === 1;\n\t},\n\n\tisParent: function(item) {\n\t\treturn this._parent === item;\n\t},\n\n\tisChild: function(item) {\n\t\treturn item && item._parent === this;\n\t},\n\n\tisDescendant: function(item) {\n\t\tvar parent = this;\n\t\twhile (parent = parent._parent) {\n\t\t\tif (parent === item)\n\t\t\t\treturn true;\n\t\t}\n\t\treturn false;\n\t},\n\n\tisAncestor: function(item) {\n\t\treturn item ? item.isDescendant(this) : false;\n\t},\n\n\tisSibling: function(item) {\n\t\treturn this._parent === item._parent;\n\t},\n\n\tisGroupedWith: function(item) {\n\t\tvar parent = this._parent;\n\t\twhile (parent) {\n\t\t\tif (parent._parent\n\t\t\t\t&& /^(Group|Layer|CompoundPath)$/.test(parent._class)\n\t\t\t\t&& item.isDescendant(parent))\n\t\t\t\t\treturn true;\n\t\t\tparent = parent._parent;\n\t\t}\n\t\treturn false;\n\t},\n\n}, Base.each(['rotate', 'scale', 'shear', 'skew'], function(key) {\n\tvar rotate = key === 'rotate';\n\tthis[key] = function() {\n\t\tvar args = arguments,\n\t\t\tvalue = (rotate ? Base : Point).read(args),\n\t\t\tcenter = Point.read(args, 0, { readNull: true });\n\t\treturn this.transform(new Matrix()[key](value,\n\t\t\t\tcenter || this.getPosition(true)));\n\t};\n}, {\n\ttranslate: function() {\n\t\tvar mx = new Matrix();\n\t\treturn this.transform(mx.translate.apply(mx, arguments));\n\t},\n\n\ttransform: function(matrix, _applyRecursively, _setApplyMatrix) {\n\t\tvar _matrix = this._matrix,\n\t\t\ttransformMatrix = matrix && !matrix.isIdentity(),\n\t\t\tapplyMatrix = (\n\t\t\t\t_setApplyMatrix && this._canApplyMatrix ||\n\t\t\t\tthis._applyMatrix && (\n\t\t\t\t\ttransformMatrix || !_matrix.isIdentity() ||\n\t\t\t\t\t_applyRecursively && this._children\n\t\t\t\t)\n\t\t\t);\n\t\tif (!transformMatrix && !applyMatrix)\n\t\t\treturn this;\n\t\tif (transformMatrix) {\n\t\t\tif (!matrix.isInvertible() && _matrix.isInvertible())\n\t\t\t\t_matrix._backup = _matrix.getValues();\n\t\t\t_matrix.prepend(matrix, true);\n\t\t\tvar style = this._style,\n\t\t\t\tfillColor = style.getFillColor(true),\n\t\t\t\tstrokeColor = style.getStrokeColor(true);\n\t\t\tif (fillColor)\n\t\t\t\tfillColor.transform(matrix);\n\t\t\tif (strokeColor)\n\t\t\t\tstrokeColor.transform(matrix);\n\t\t}\n\n\t\tif (applyMatrix && (applyMatrix = this._transformContent(\n\t\t\t\t_matrix, _applyRecursively, _setApplyMatrix))) {\n\t\t\tvar pivot = this._pivot;\n\t\t\tif (pivot)\n\t\t\t\t_matrix._transformPoint(pivot, pivot, true);\n\t\t\t_matrix.reset(true);\n\t\t\tif (_setApplyMatrix && this._canApplyMatrix)\n\t\t\t\tthis._applyMatrix = true;\n\t\t}\n\t\tvar bounds = this._bounds,\n\t\t\tposition = this._position;\n\t\tif (transformMatrix || applyMatrix) {\n\t\t\tthis._changed(25);\n\t\t}\n\t\tvar decomp = transformMatrix && bounds && matrix.decompose();\n\t\tif (decomp && decomp.skewing.isZero() && decomp.rotation % 90 === 0) {\n\t\t\tfor (var key in bounds) {\n\t\t\t\tvar cache = bounds[key];\n\t\t\t\tif (cache.nonscaling) {\n\t\t\t\t\tdelete bounds[key];\n\t\t\t\t} else if (applyMatrix || !cache.internal) {\n\t\t\t\t\tvar rect = cache.rect;\n\t\t\t\t\tmatrix._transformBounds(rect, rect);\n\t\t\t\t}\n\t\t\t}\n\t\t\tthis._bounds = bounds;\n\t\t\tvar cached = bounds[this._getBoundsCacheKey(\n\t\t\t\tthis._boundsOptions || {})];\n\t\t\tif (cached) {\n\t\t\t\tthis._position = this._getPositionFromBounds(cached.rect);\n\t\t\t}\n\t\t} else if (transformMatrix && position && this._pivot) {\n\t\t\tthis._position = matrix._transformPoint(position, position);\n\t\t}\n\t\treturn this;\n\t},\n\n\t_transformContent: function(matrix, applyRecursively, setApplyMatrix) {\n\t\tvar children = this._children;\n\t\tif (children) {\n\t\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\t\tchildren[i].transform(matrix, applyRecursively, setApplyMatrix);\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\t},\n\n\tglobalToLocal: function() {\n\t\treturn this.getGlobalMatrix(true)._inverseTransform(\n\t\t\t\tPoint.read(arguments));\n\t},\n\n\tlocalToGlobal: function() {\n\t\treturn this.getGlobalMatrix(true)._transformPoint(\n\t\t\t\tPoint.read(arguments));\n\t},\n\n\tparentToLocal: function() {\n\t\treturn this._matrix._inverseTransform(Point.read(arguments));\n\t},\n\n\tlocalToParent: function() {\n\t\treturn this._matrix._transformPoint(Point.read(arguments));\n\t},\n\n\tfitBounds: function(rectangle, fill) {\n\t\trectangle = Rectangle.read(arguments);\n\t\tvar bounds = this.getBounds(),\n\t\t\titemRatio = bounds.height / bounds.width,\n\t\t\trectRatio = rectangle.height / rectangle.width,\n\t\t\tscale = (fill ? itemRatio > rectRatio : itemRatio < rectRatio)\n\t\t\t\t\t? rectangle.width / bounds.width\n\t\t\t\t\t: rectangle.height / bounds.height,\n\t\t\tnewBounds = new Rectangle(new Point(),\n\t\t\t\t\tnew Size(bounds.width * scale, bounds.height * scale));\n\t\tnewBounds.setCenter(rectangle.getCenter());\n\t\tthis.setBounds(newBounds);\n\t}\n}), {\n\n\t_setStyles: function(ctx, param, viewMatrix) {\n\t\tvar style = this._style,\n\t\t\tmatrix = this._matrix;\n\t\tif (style.hasFill()) {\n\t\t\tctx.fillStyle = style.getFillColor().toCanvasStyle(ctx, matrix);\n\t\t}\n\t\tif (style.hasStroke()) {\n\t\t\tctx.strokeStyle = style.getStrokeColor().toCanvasStyle(ctx, matrix);\n\t\t\tctx.lineWidth = style.getStrokeWidth();\n\t\t\tvar strokeJoin = style.getStrokeJoin(),\n\t\t\t\tstrokeCap = style.getStrokeCap(),\n\t\t\t\tmiterLimit = style.getMiterLimit();\n\t\t\tif (strokeJoin)\n\t\t\t\tctx.lineJoin = strokeJoin;\n\t\t\tif (strokeCap)\n\t\t\t\tctx.lineCap = strokeCap;\n\t\t\tif (miterLimit)\n\t\t\t\tctx.miterLimit = miterLimit;\n\t\t\tif (paper.support.nativeDash) {\n\t\t\t\tvar dashArray = style.getDashArray(),\n\t\t\t\t\tdashOffset = style.getDashOffset();\n\t\t\t\tif (dashArray && dashArray.length) {\n\t\t\t\t\tif ('setLineDash' in ctx) {\n\t\t\t\t\t\tctx.setLineDash(dashArray);\n\t\t\t\t\t\tctx.lineDashOffset = dashOffset;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tctx.mozDash = dashArray;\n\t\t\t\t\t\tctx.mozDashOffset = dashOffset;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (style.hasShadow()) {\n\t\t\tvar pixelRatio = param.pixelRatio || 1,\n\t\t\t\tmx = viewMatrix._shiftless().prepend(\n\t\t\t\t\tnew Matrix().scale(pixelRatio, pixelRatio)),\n\t\t\t\tblur = mx.transform(new Point(style.getShadowBlur(), 0)),\n\t\t\t\toffset = mx.transform(this.getShadowOffset());\n\t\t\tctx.shadowColor = style.getShadowColor().toCanvasStyle(ctx);\n\t\t\tctx.shadowBlur = blur.getLength();\n\t\t\tctx.shadowOffsetX = offset.x;\n\t\t\tctx.shadowOffsetY = offset.y;\n\t\t}\n\t},\n\n\tdraw: function(ctx, param, parentStrokeMatrix) {\n\t\tvar updateVersion = this._updateVersion = this._project._updateVersion;\n\t\tif (!this._visible || this._opacity === 0)\n\t\t\treturn;\n\t\tvar matrices = param.matrices,\n\t\t\tviewMatrix = param.viewMatrix,\n\t\t\tmatrix = this._matrix,\n\t\t\tglobalMatrix = matrices[matrices.length - 1].appended(matrix);\n\t\tif (!globalMatrix.isInvertible())\n\t\t\treturn;\n\n\t\tviewMatrix = viewMatrix ? viewMatrix.appended(globalMatrix)\n\t\t\t\t: globalMatrix;\n\n\t\tmatrices.push(globalMatrix);\n\t\tif (param.updateMatrix) {\n\t\t\tthis._globalMatrix = globalMatrix;\n\t\t}\n\n\t\tvar blendMode = this._blendMode,\n\t\t\topacity = Numerical.clamp(this._opacity, 0, 1),\n\t\t\tnormalBlend = blendMode === 'normal',\n\t\t\tnativeBlend = BlendMode.nativeModes[blendMode],\n\t\t\tdirect = normalBlend && opacity === 1\n\t\t\t\t\t|| param.dontStart\n\t\t\t\t\t|| param.clip\n\t\t\t\t\t|| (nativeBlend || normalBlend && opacity < 1)\n\t\t\t\t\t\t&& this._canComposite(),\n\t\t\tpixelRatio = param.pixelRatio || 1,\n\t\t\tmainCtx, itemOffset, prevOffset;\n\t\tif (!direct) {\n\t\t\tvar bounds = this.getStrokeBounds(viewMatrix);\n\t\t\tif (!bounds.width || !bounds.height) {\n\t\t\t\tmatrices.pop();\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tprevOffset = param.offset;\n\t\t\titemOffset = param.offset = bounds.getTopLeft().floor();\n\t\t\tmainCtx = ctx;\n\t\t\tctx = CanvasProvider.getContext(bounds.getSize().ceil().add(1)\n\t\t\t\t\t.multiply(pixelRatio));\n\t\t\tif (pixelRatio !== 1)\n\t\t\t\tctx.scale(pixelRatio, pixelRatio);\n\t\t}\n\t\tctx.save();\n\t\tvar strokeMatrix = parentStrokeMatrix\n\t\t\t\t? parentStrokeMatrix.appended(matrix)\n\t\t\t\t: this._canScaleStroke && !this.getStrokeScaling(true)\n\t\t\t\t\t&& viewMatrix,\n\t\t\tclip = !direct && param.clipItem,\n\t\t\ttransform = !strokeMatrix || clip;\n\t\tif (direct) {\n\t\t\tctx.globalAlpha = opacity;\n\t\t\tif (nativeBlend)\n\t\t\t\tctx.globalCompositeOperation = blendMode;\n\t\t} else if (transform) {\n\t\t\tctx.translate(-itemOffset.x, -itemOffset.y);\n\t\t}\n\t\tif (transform) {\n\t\t\t(direct ? matrix : viewMatrix).applyToContext(ctx);\n\t\t}\n\t\tif (clip) {\n\t\t\tparam.clipItem.draw(ctx, param.extend({ clip: true }));\n\t\t}\n\t\tif (strokeMatrix) {\n\t\t\tctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);\n\t\t\tvar offset = param.offset;\n\t\t\tif (offset)\n\t\t\t\tctx.translate(-offset.x, -offset.y);\n\t\t}\n\t\tthis._draw(ctx, param, viewMatrix, strokeMatrix);\n\t\tctx.restore();\n\t\tmatrices.pop();\n\t\tif (param.clip && !param.dontFinish) {\n\t\t\tctx.clip(this.getFillRule());\n\t\t}\n\t\tif (!direct) {\n\t\t\tBlendMode.process(blendMode, ctx, mainCtx, opacity,\n\t\t\t\t\titemOffset.subtract(prevOffset).multiply(pixelRatio));\n\t\t\tCanvasProvider.release(ctx);\n\t\t\tparam.offset = prevOffset;\n\t\t}\n\t},\n\n\t_isUpdated: function(updateVersion) {\n\t\tvar parent = this._parent;\n\t\tif (parent instanceof CompoundPath)\n\t\t\treturn parent._isUpdated(updateVersion);\n\t\tvar updated = this._updateVersion === updateVersion;\n\t\tif (!updated && parent && parent._visible\n\t\t\t\t&& parent._isUpdated(updateVersion)) {\n\t\t\tthis._updateVersion = updateVersion;\n\t\t\tupdated = true;\n\t\t}\n\t\treturn updated;\n\t},\n\n\t_drawSelection: function(ctx, matrix, size, selectionItems, updateVersion) {\n\t\tvar selection = this._selection,\n\t\t\titemSelected = selection & 1,\n\t\t\tboundsSelected = selection & 2\n\t\t\t\t\t|| itemSelected && this._selectBounds,\n\t\t\tpositionSelected = selection & 4;\n\t\tif (!this._drawSelected)\n\t\t\titemSelected = false;\n\t\tif ((itemSelected || boundsSelected || positionSelected)\n\t\t\t\t&& this._isUpdated(updateVersion)) {\n\t\t\tvar layer,\n\t\t\t\tcolor = this.getSelectedColor(true) || (layer = this.getLayer())\n\t\t\t\t\t&& layer.getSelectedColor(true),\n\t\t\t\tmx = matrix.appended(this.getGlobalMatrix(true)),\n\t\t\t\thalf = size / 2;\n\t\t\tctx.strokeStyle = ctx.fillStyle = color\n\t\t\t\t\t? color.toCanvasStyle(ctx) : '#009dec';\n\t\t\tif (itemSelected)\n\t\t\t\tthis._drawSelected(ctx, mx, selectionItems);\n\t\t\tif (positionSelected) {\n\t\t\t\tvar pos = this.getPosition(true),\n\t\t\t\t\tparent = this._parent,\n\t\t\t\t\tpoint = parent ? parent.localToGlobal(pos) : pos,\n\t\t\t\t\tx = point.x,\n\t\t\t\t\ty = point.y;\n\t\t\t\tctx.beginPath();\n\t\t\t\tctx.arc(x, y, half, 0, Math.PI * 2, true);\n\t\t\t\tctx.stroke();\n\t\t\t\tvar deltas = [[0, -1], [1, 0], [0, 1], [-1, 0]],\n\t\t\t\t\tstart = half,\n\t\t\t\t\tend = size + 1;\n\t\t\t\tfor (var i = 0; i < 4; i++) {\n\t\t\t\t\tvar delta = deltas[i],\n\t\t\t\t\t\tdx = delta[0],\n\t\t\t\t\t\tdy = delta[1];\n\t\t\t\t\tctx.moveTo(x + dx * start, y + dy * start);\n\t\t\t\t\tctx.lineTo(x + dx * end, y + dy * end);\n\t\t\t\t\tctx.stroke();\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (boundsSelected) {\n\t\t\t\tvar coords = mx._transformCorners(this.getInternalBounds());\n\t\t\t\tctx.beginPath();\n\t\t\t\tfor (var i = 0; i < 8; i++) {\n\t\t\t\t\tctx[!i ? 'moveTo' : 'lineTo'](coords[i], coords[++i]);\n\t\t\t\t}\n\t\t\t\tctx.closePath();\n\t\t\t\tctx.stroke();\n\t\t\t\tfor (var i = 0; i < 8; i++) {\n\t\t\t\t\tctx.fillRect(coords[i] - half, coords[++i] - half,\n\t\t\t\t\t\t\tsize, size);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\t_canComposite: function() {\n\t\treturn false;\n\t}\n}, Base.each(['down', 'drag', 'up', 'move'], function(key) {\n\tthis['removeOn' + Base.capitalize(key)] = function() {\n\t\tvar hash = {};\n\t\thash[key] = true;\n\t\treturn this.removeOn(hash);\n\t};\n}, {\n\n\tremoveOn: function(obj) {\n\t\tfor (var name in obj) {\n\t\t\tif (obj[name]) {\n\t\t\t\tvar key = 'mouse' + name,\n\t\t\t\t\tproject = this._project,\n\t\t\t\t\tsets = project._removeSets = project._removeSets || {};\n\t\t\t\tsets[key] = sets[key] || {};\n\t\t\t\tsets[key][this._id] = this;\n\t\t\t}\n\t\t}\n\t\treturn this;\n\t}\n}), {\n\ttween: function(from, to, options) {\n\t\tif (!options) {\n\t\t\toptions = to;\n\t\t\tto = from;\n\t\t\tfrom = null;\n\t\t\tif (!options) {\n\t\t\t\toptions = to;\n\t\t\t\tto = null;\n\t\t\t}\n\t\t}\n\t\tvar easing = options && options.easing,\n\t\t\tstart = options && options.start,\n\t\t\tduration = options != null && (\n\t\t\t\ttypeof options === 'number' ? options : options.duration\n\t\t\t),\n\t\t\ttween = new Tween(this, from, to, duration, easing, start);\n\t\tfunction onFrame(event) {\n\t\t\ttween._handleFrame(event.time * 1000);\n\t\t\tif (!tween.running) {\n\t\t\t\tthis.off('frame', onFrame);\n\t\t\t}\n\t\t}\n\t\tif (duration) {\n\t\t\tthis.on('frame', onFrame);\n\t\t}\n\t\treturn tween;\n\t},\n\n\ttweenTo: function(to, options) {\n\t\treturn this.tween(null, to, options);\n\t},\n\n\ttweenFrom: function(from, options) {\n\t\treturn this.tween(from, null, options);\n\t}\n});\n\nvar Group = Item.extend({\n\t_class: 'Group',\n\t_selectBounds: false,\n\t_selectChildren: true,\n\t_serializeFields: {\n\t\tchildren: []\n\t},\n\n\tinitialize: function Group(arg) {\n\t\tthis._children = [];\n\t\tthis._namedChildren = {};\n\t\tif (!this._initialize(arg))\n\t\t\tthis.addChildren(Array.isArray(arg) ? arg : arguments);\n\t},\n\n\t_changed: function _changed(flags) {\n\t\t_changed.base.call(this, flags);\n\t\tif (flags & 2050) {\n\t\t\tthis._clipItem = undefined;\n\t\t}\n\t},\n\n\t_getClipItem: function() {\n\t\tvar clipItem = this._clipItem;\n\t\tif (clipItem === undefined) {\n\t\t\tclipItem = null;\n\t\t\tvar children = this._children;\n\t\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\t\tif (children[i]._clipMask) {\n\t\t\t\t\tclipItem = children[i];\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tthis._clipItem = clipItem;\n\t\t}\n\t\treturn clipItem;\n\t},\n\n\tisClipped: function() {\n\t\treturn !!this._getClipItem();\n\t},\n\n\tsetClipped: function(clipped) {\n\t\tvar child = this.getFirstChild();\n\t\tif (child)\n\t\t\tchild.setClipMask(clipped);\n\t},\n\n\t_getBounds: function _getBounds(matrix, options) {\n\t\tvar clipItem = this._getClipItem();\n\t\treturn clipItem\n\t\t\t? clipItem._getCachedBounds(clipItem._matrix.prepended(matrix),\n\t\t\t\tBase.set({}, options, { stroke: false }))\n\t\t\t: _getBounds.base.call(this, matrix, options);\n\t},\n\n\t_hitTestChildren: function _hitTestChildren(point, options, viewMatrix) {\n\t\tvar clipItem = this._getClipItem();\n\t\treturn (!clipItem || clipItem.contains(point))\n\t\t\t\t&& _hitTestChildren.base.call(this, point, options, viewMatrix,\n\t\t\t\t\tclipItem);\n\t},\n\n\t_draw: function(ctx, param) {\n\t\tvar clip = param.clip,\n\t\t\tclipItem = !clip && this._getClipItem();\n\t\tparam = param.extend({ clipItem: clipItem, clip: false });\n\t\tif (clip) {\n\t\t\tctx.beginPath();\n\t\t\tparam.dontStart = param.dontFinish = true;\n\t\t} else if (clipItem) {\n\t\t\tclipItem.draw(ctx, param.extend({ clip: true }));\n\t\t}\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tvar item = children[i];\n\t\t\tif (item !== clipItem)\n\t\t\t\titem.draw(ctx, param);\n\t\t}\n\t}\n});\n\nvar Layer = Group.extend({\n\t_class: 'Layer',\n\n\tinitialize: function Layer() {\n\t\tGroup.apply(this, arguments);\n\t},\n\n\t_getOwner: function() {\n\t\treturn this._parent || this._index != null && this._project;\n\t},\n\n\tisInserted: function isInserted() {\n\t\treturn this._parent ? isInserted.base.call(this) : this._index != null;\n\t},\n\n\tactivate: function() {\n\t\tthis._project._activeLayer = this;\n\t},\n\n\t_hitTestSelf: function() {\n\t}\n});\n\nvar Shape = Item.extend({\n\t_class: 'Shape',\n\t_applyMatrix: false,\n\t_canApplyMatrix: false,\n\t_canScaleStroke: true,\n\t_serializeFields: {\n\t\ttype: null,\n\t\tsize: null,\n\t\tradius: null\n\t},\n\n\tinitialize: function Shape(props, point) {\n\t\tthis._initialize(props, point);\n\t},\n\n\t_equals: function(item) {\n\t\treturn this._type === item._type\n\t\t\t&& this._size.equals(item._size)\n\t\t\t&& Base.equals(this._radius, item._radius);\n\t},\n\n\tcopyContent: function(source) {\n\t\tthis.setType(source._type);\n\t\tthis.setSize(source._size);\n\t\tthis.setRadius(source._radius);\n\t},\n\n\tgetType: function() {\n\t\treturn this._type;\n\t},\n\n\tsetType: function(type) {\n\t\tthis._type = type;\n\t},\n\n\tgetShape: '#getType',\n\tsetShape: '#setType',\n\n\tgetSize: function() {\n\t\tvar size = this._size;\n\t\treturn new LinkedSize(size.width, size.height, this, 'setSize');\n\t},\n\n\tsetSize: function() {\n\t\tvar size = Size.read(arguments);\n\t\tif (!this._size) {\n\t\t\tthis._size = size.clone();\n\t\t} else if (!this._size.equals(size)) {\n\t\t\tvar type = this._type,\n\t\t\t\twidth = size.width,\n\t\t\t\theight = size.height;\n\t\t\tif (type === 'rectangle') {\n\t\t\t\tthis._radius.set(Size.min(this._radius, size.divide(2).abs()));\n\t\t\t} else if (type === 'circle') {\n\t\t\t\twidth = height = (width + height) / 2;\n\t\t\t\tthis._radius = width / 2;\n\t\t\t} else if (type === 'ellipse') {\n\t\t\t\tthis._radius._set(width / 2, height / 2);\n\t\t\t}\n\t\t\tthis._size._set(width, height);\n\t\t\tthis._changed(9);\n\t\t}\n\t},\n\n\tgetRadius: function() {\n\t\tvar rad = this._radius;\n\t\treturn this._type === 'circle'\n\t\t\t\t? rad\n\t\t\t\t: new LinkedSize(rad.width, rad.height, this, 'setRadius');\n\t},\n\n\tsetRadius: function(radius) {\n\t\tvar type = this._type;\n\t\tif (type === 'circle') {\n\t\t\tif (radius === this._radius)\n\t\t\t\treturn;\n\t\t\tvar size = radius * 2;\n\t\t\tthis._radius = radius;\n\t\t\tthis._size._set(size, size);\n\t\t} else {\n\t\t\tradius = Size.read(arguments);\n\t\t\tif (!this._radius) {\n\t\t\t\tthis._radius = radius.clone();\n\t\t\t} else {\n\t\t\t\tif (this._radius.equals(radius))\n\t\t\t\t\treturn;\n\t\t\t\tthis._radius.set(radius);\n\t\t\t\tif (type === 'rectangle') {\n\t\t\t\t\tvar size = Size.max(this._size, radius.multiply(2));\n\t\t\t\t\tthis._size.set(size);\n\t\t\t\t} else if (type === 'ellipse') {\n\t\t\t\t\tthis._size._set(radius.width * 2, radius.height * 2);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tthis._changed(9);\n\t},\n\n\tisEmpty: function() {\n\t\treturn false;\n\t},\n\n\ttoPath: function(insert) {\n\t\tvar path = new Path[Base.capitalize(this._type)]({\n\t\t\tcenter: new Point(),\n\t\t\tsize: this._size,\n\t\t\tradius: this._radius,\n\t\t\tinsert: false\n\t\t});\n\t\tpath.copyAttributes(this);\n\t\tif (paper.settings.applyMatrix)\n\t\t\tpath.setApplyMatrix(true);\n\t\tif (insert === undefined || insert)\n\t\t\tpath.insertAbove(this);\n\t\treturn path;\n\t},\n\n\ttoShape: '#clone',\n\n\t_asPathItem: function() {\n\t\treturn this.toPath(false);\n\t},\n\n\t_draw: function(ctx, param, viewMatrix, strokeMatrix) {\n\t\tvar style = this._style,\n\t\t\thasFill = style.hasFill(),\n\t\t\thasStroke = style.hasStroke(),\n\t\t\tdontPaint = param.dontFinish || param.clip,\n\t\t\tuntransformed = !strokeMatrix;\n\t\tif (hasFill || hasStroke || dontPaint) {\n\t\t\tvar type = this._type,\n\t\t\t\tradius = this._radius,\n\t\t\t\tisCircle = type === 'circle';\n\t\t\tif (!param.dontStart)\n\t\t\t\tctx.beginPath();\n\t\t\tif (untransformed && isCircle) {\n\t\t\t\tctx.arc(0, 0, radius, 0, Math.PI * 2, true);\n\t\t\t} else {\n\t\t\t\tvar rx = isCircle ? radius : radius.width,\n\t\t\t\t\try = isCircle ? radius : radius.height,\n\t\t\t\t\tsize = this._size,\n\t\t\t\t\twidth = size.width,\n\t\t\t\t\theight = size.height;\n\t\t\t\tif (untransformed && type === 'rectangle' && rx === 0 && ry === 0) {\n\t\t\t\t\tctx.rect(-width / 2, -height / 2, width, height);\n\t\t\t\t} else {\n\t\t\t\t\tvar x = width / 2,\n\t\t\t\t\t\ty = height / 2,\n\t\t\t\t\t\tkappa = 1 - 0.5522847498307936,\n\t\t\t\t\t\tcx = rx * kappa,\n\t\t\t\t\t\tcy = ry * kappa,\n\t\t\t\t\t\tc = [\n\t\t\t\t\t\t\t-x, -y + ry,\n\t\t\t\t\t\t\t-x, -y + cy,\n\t\t\t\t\t\t\t-x + cx, -y,\n\t\t\t\t\t\t\t-x + rx, -y,\n\t\t\t\t\t\t\tx - rx, -y,\n\t\t\t\t\t\t\tx - cx, -y,\n\t\t\t\t\t\t\tx, -y + cy,\n\t\t\t\t\t\t\tx, -y + ry,\n\t\t\t\t\t\t\tx, y - ry,\n\t\t\t\t\t\t\tx, y - cy,\n\t\t\t\t\t\t\tx - cx, y,\n\t\t\t\t\t\t\tx - rx, y,\n\t\t\t\t\t\t\t-x + rx, y,\n\t\t\t\t\t\t\t-x + cx, y,\n\t\t\t\t\t\t\t-x, y - cy,\n\t\t\t\t\t\t\t-x, y - ry\n\t\t\t\t\t\t];\n\t\t\t\t\tif (strokeMatrix)\n\t\t\t\t\t\tstrokeMatrix.transform(c, c, 32);\n\t\t\t\t\tctx.moveTo(c[0], c[1]);\n\t\t\t\t\tctx.bezierCurveTo(c[2], c[3], c[4], c[5], c[6], c[7]);\n\t\t\t\t\tif (x !== rx)\n\t\t\t\t\t\tctx.lineTo(c[8], c[9]);\n\t\t\t\t\tctx.bezierCurveTo(c[10], c[11], c[12], c[13], c[14], c[15]);\n\t\t\t\t\tif (y !== ry)\n\t\t\t\t\t\tctx.lineTo(c[16], c[17]);\n\t\t\t\t\tctx.bezierCurveTo(c[18], c[19], c[20], c[21], c[22], c[23]);\n\t\t\t\t\tif (x !== rx)\n\t\t\t\t\t\tctx.lineTo(c[24], c[25]);\n\t\t\t\t\tctx.bezierCurveTo(c[26], c[27], c[28], c[29], c[30], c[31]);\n\t\t\t\t}\n\t\t\t}\n\t\t\tctx.closePath();\n\t\t}\n\t\tif (!dontPaint && (hasFill || hasStroke)) {\n\t\t\tthis._setStyles(ctx, param, viewMatrix);\n\t\t\tif (hasFill) {\n\t\t\t\tctx.fill(style.getFillRule());\n\t\t\t\tctx.shadowColor = 'rgba(0,0,0,0)';\n\t\t\t}\n\t\t\tif (hasStroke)\n\t\t\t\tctx.stroke();\n\t\t}\n\t},\n\n\t_canComposite: function() {\n\t\treturn !(this.hasFill() && this.hasStroke());\n\t},\n\n\t_getBounds: function(matrix, options) {\n\t\tvar rect = new Rectangle(this._size).setCenter(0, 0),\n\t\t\tstyle = this._style,\n\t\t\tstrokeWidth = options.stroke && style.hasStroke()\n\t\t\t\t\t&& style.getStrokeWidth();\n\t\tif (matrix)\n\t\t\trect = matrix._transformBounds(rect);\n\t\treturn strokeWidth\n\t\t\t\t? rect.expand(Path._getStrokePadding(strokeWidth,\n\t\t\t\t\tthis._getStrokeMatrix(matrix, options)))\n\t\t\t\t: rect;\n\t}\n},\nnew function() {\n\tfunction getCornerCenter(that, point, expand) {\n\t\tvar radius = that._radius;\n\t\tif (!radius.isZero()) {\n\t\t\tvar halfSize = that._size.divide(2);\n\t\t\tfor (var q = 1; q <= 4; q++) {\n\t\t\t\tvar dir = new Point(q > 1 && q < 4 ? -1 : 1, q > 2 ? -1 : 1),\n\t\t\t\t\tcorner = dir.multiply(halfSize),\n\t\t\t\t\tcenter = corner.subtract(dir.multiply(radius)),\n\t\t\t\t\trect = new Rectangle(\n\t\t\t\t\t\t\texpand ? corner.add(dir.multiply(expand)) : corner,\n\t\t\t\t\t\t\tcenter);\n\t\t\t\tif (rect.contains(point))\n\t\t\t\t\treturn { point: center, quadrant: q };\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction isOnEllipseStroke(point, radius, padding, quadrant) {\n\t\tvar vector = point.divide(radius);\n\t\treturn (!quadrant || vector.isInQuadrant(quadrant)) &&\n\t\t\t\tvector.subtract(vector.normalize()).multiply(radius)\n\t\t\t\t\t.divide(padding).length <= 1;\n\t}\n\n\treturn {\n\t\t_contains: function _contains(point) {\n\t\t\tif (this._type === 'rectangle') {\n\t\t\t\tvar center = getCornerCenter(this, point);\n\t\t\t\treturn center\n\t\t\t\t\t\t? point.subtract(center.point).divide(this._radius)\n\t\t\t\t\t\t\t.getLength() <= 1\n\t\t\t\t\t\t: _contains.base.call(this, point);\n\t\t\t} else {\n\t\t\t\treturn point.divide(this.size).getLength() <= 0.5;\n\t\t\t}\n\t\t},\n\n\t\t_hitTestSelf: function _hitTestSelf(point, options, viewMatrix,\n\t\t\t\tstrokeMatrix) {\n\t\t\tvar hit = false,\n\t\t\t\tstyle = this._style,\n\t\t\t\thitStroke = options.stroke && style.hasStroke(),\n\t\t\t\thitFill = options.fill && style.hasFill();\n\t\t\tif (hitStroke || hitFill) {\n\t\t\t\tvar type = this._type,\n\t\t\t\t\tradius = this._radius,\n\t\t\t\t\tstrokeRadius = hitStroke ? style.getStrokeWidth() / 2 : 0,\n\t\t\t\t\tstrokePadding = options._tolerancePadding.add(\n\t\t\t\t\t\tPath._getStrokePadding(strokeRadius,\n\t\t\t\t\t\t\t!style.getStrokeScaling() && strokeMatrix));\n\t\t\t\tif (type === 'rectangle') {\n\t\t\t\t\tvar padding = strokePadding.multiply(2),\n\t\t\t\t\t\tcenter = getCornerCenter(this, point, padding);\n\t\t\t\t\tif (center) {\n\t\t\t\t\t\thit = isOnEllipseStroke(point.subtract(center.point),\n\t\t\t\t\t\t\t\tradius, strokePadding, center.quadrant);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tvar rect = new Rectangle(this._size).setCenter(0, 0),\n\t\t\t\t\t\t\touter = rect.expand(padding),\n\t\t\t\t\t\t\tinner = rect.expand(padding.negate());\n\t\t\t\t\t\thit = outer._containsPoint(point)\n\t\t\t\t\t\t\t\t&& !inner._containsPoint(point);\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\thit = isOnEllipseStroke(point, radius, strokePadding);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn hit ? new HitResult(hitStroke ? 'stroke' : 'fill', this)\n\t\t\t\t\t: _hitTestSelf.base.apply(this, arguments);\n\t\t}\n\t};\n}, {\n\nstatics: new function() {\n\tfunction createShape(type, point, size, radius, args) {\n\t\tvar item = Base.create(Shape.prototype);\n\t\titem._type = type;\n\t\titem._size = size;\n\t\titem._radius = radius;\n\t\titem._initialize(Base.getNamed(args), point);\n\t\treturn item;\n\t}\n\n\treturn {\n\t\tCircle: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tcenter = Point.readNamed(args, 'center'),\n\t\t\t\tradius = Base.readNamed(args, 'radius');\n\t\t\treturn createShape('circle', center, new Size(radius * 2), radius,\n\t\t\t\t\targs);\n\t\t},\n\n\t\tRectangle: function() {\n\t\t\tvar args = arguments,\n\t\t\t\trect = Rectangle.readNamed(args, 'rectangle'),\n\t\t\t\tradius = Size.min(Size.readNamed(args, 'radius'),\n\t\t\t\t\t\trect.getSize(true).divide(2));\n\t\t\treturn createShape('rectangle', rect.getCenter(true),\n\t\t\t\t\trect.getSize(true), radius, args);\n\t\t},\n\n\t\tEllipse: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tellipse = Shape._readEllipse(args),\n\t\t\t\tradius = ellipse.radius;\n\t\t\treturn createShape('ellipse', ellipse.center, radius.multiply(2),\n\t\t\t\t\tradius, args);\n\t\t},\n\n\t\t_readEllipse: function(args) {\n\t\t\tvar center,\n\t\t\t\tradius;\n\t\t\tif (Base.hasNamed(args, 'radius')) {\n\t\t\t\tcenter = Point.readNamed(args, 'center');\n\t\t\t\tradius = Size.readNamed(args, 'radius');\n\t\t\t} else {\n\t\t\t\tvar rect = Rectangle.readNamed(args, 'rectangle');\n\t\t\t\tcenter = rect.getCenter(true);\n\t\t\t\tradius = rect.getSize(true).divide(2);\n\t\t\t}\n\t\t\treturn { center: center, radius: radius };\n\t\t}\n\t};\n}});\n\nvar Raster = Item.extend({\n\t_class: 'Raster',\n\t_applyMatrix: false,\n\t_canApplyMatrix: false,\n\t_boundsOptions: { stroke: false, handle: false },\n\t_serializeFields: {\n\t\tcrossOrigin: null,\n\t\tsource: null\n\t},\n\t_prioritize: ['crossOrigin'],\n\t_smoothing: 'low',\n\tbeans: true,\n\n\tinitialize: function Raster(source, position) {\n\t\tif (!this._initialize(source,\n\t\t\t\tposition !== undefined && Point.read(arguments))) {\n\t\t\tvar image,\n\t\t\t\ttype = typeof source,\n\t\t\t\tobject = type === 'string'\n\t\t\t\t\t? document.getElementById(source)\n\t\t\t\t\t: type  === 'object'\n\t\t\t\t\t\t? source\n\t\t\t\t\t\t: null;\n\t\t\tif (object && object !== Item.NO_INSERT) {\n\t\t\t\tif (object.getContext || object.naturalHeight != null) {\n\t\t\t\t\timage = object;\n\t\t\t\t} else if (object) {\n\t\t\t\t\tvar size = Size.read(arguments);\n\t\t\t\t\tif (!size.isZero()) {\n\t\t\t\t\t\timage = CanvasProvider.getCanvas(size);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (image) {\n\t\t\t\tthis.setImage(image);\n\t\t\t} else {\n\t\t\t\tthis.setSource(source);\n\t\t\t}\n\t\t}\n\t\tif (!this._size) {\n\t\t\tthis._size = new Size();\n\t\t\tthis._loaded = false;\n\t\t}\n\t},\n\n\t_equals: function(item) {\n\t\treturn this.getSource() === item.getSource();\n\t},\n\n\tcopyContent: function(source) {\n\t\tvar image = source._image,\n\t\t\tcanvas = source._canvas;\n\t\tif (image) {\n\t\t\tthis._setImage(image);\n\t\t} else if (canvas) {\n\t\t\tvar copyCanvas = CanvasProvider.getCanvas(source._size);\n\t\t\tcopyCanvas.getContext('2d').drawImage(canvas, 0, 0);\n\t\t\tthis._setImage(copyCanvas);\n\t\t}\n\t\tthis._crossOrigin = source._crossOrigin;\n\t},\n\n\tgetSize: function() {\n\t\tvar size = this._size;\n\t\treturn new LinkedSize(size ? size.width : 0, size ? size.height : 0,\n\t\t\t\tthis, 'setSize');\n\t},\n\n\tsetSize: function(_size, _clear) {\n\t\tvar size = Size.read(arguments);\n\t\tif (!size.equals(this._size)) {\n\t\t\tif (size.width > 0 && size.height > 0) {\n\t\t\t\tvar element = !_clear && this.getElement();\n\t\t\t\tthis._setImage(CanvasProvider.getCanvas(size));\n\t\t\t\tif (element) {\n\t\t\t\t\tthis.getContext(true).drawImage(element, 0, 0,\n\t\t\t\t\t\t\tsize.width, size.height);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (this._canvas)\n\t\t\t\t\tCanvasProvider.release(this._canvas);\n\t\t\t\tthis._size = size.clone();\n\t\t\t}\n\t\t} else if (_clear) {\n\t\t\tthis.clear();\n\t\t}\n\t},\n\n\tgetWidth: function() {\n\t\treturn this._size ? this._size.width : 0;\n\t},\n\n\tsetWidth: function(width) {\n\t\tthis.setSize(width, this.getHeight());\n\t},\n\n\tgetHeight: function() {\n\t\treturn this._size ? this._size.height : 0;\n\t},\n\n\tsetHeight: function(height) {\n\t\tthis.setSize(this.getWidth(), height);\n\t},\n\n\tgetLoaded: function() {\n\t\treturn this._loaded;\n\t},\n\n\tisEmpty: function() {\n\t\tvar size = this._size;\n\t\treturn !size || size.width === 0 && size.height === 0;\n\t},\n\n\tgetResolution: function() {\n\t\tvar matrix = this._matrix,\n\t\t\torig = new Point(0, 0).transform(matrix),\n\t\t\tu = new Point(1, 0).transform(matrix).subtract(orig),\n\t\t\tv = new Point(0, 1).transform(matrix).subtract(orig);\n\t\treturn new Size(\n\t\t\t72 / u.getLength(),\n\t\t\t72 / v.getLength()\n\t\t);\n\t},\n\n\tgetPpi: '#getResolution',\n\n\tgetImage: function() {\n\t\treturn this._image;\n\t},\n\n\tsetImage: function(image) {\n\t\tvar that = this;\n\n\t\tfunction emit(event) {\n\t\t\tvar view = that.getView(),\n\t\t\t\ttype = event && event.type || 'load';\n\t\t\tif (view && that.responds(type)) {\n\t\t\t\tpaper = view._scope;\n\t\t\t\tthat.emit(type, new Event(event));\n\t\t\t}\n\t\t}\n\n\t\tthis._setImage(image);\n\t\tif (this._loaded) {\n\t\t\tsetTimeout(emit, 0);\n\t\t} else if (image) {\n\t\t\tDomEvent.add(image, {\n\t\t\t\tload: function(event) {\n\t\t\t\t\tthat._setImage(image);\n\t\t\t\t\temit(event);\n\t\t\t\t},\n\t\t\t\terror: emit\n\t\t\t});\n\t\t}\n\t},\n\n\t_setImage: function(image) {\n\t\tif (this._canvas)\n\t\t\tCanvasProvider.release(this._canvas);\n\t\tif (image && image.getContext) {\n\t\t\tthis._image = null;\n\t\t\tthis._canvas = image;\n\t\t\tthis._loaded = true;\n\t\t} else {\n\t\t\tthis._image = image;\n\t\t\tthis._canvas = null;\n\t\t\tthis._loaded = !!(image && image.src && image.complete);\n\t\t}\n\t\tthis._size = new Size(\n\t\t\t\timage ? image.naturalWidth || image.width : 0,\n\t\t\t\timage ? image.naturalHeight || image.height : 0);\n\t\tthis._context = null;\n\t\tthis._changed(1033);\n\t},\n\n\tgetCanvas: function() {\n\t\tif (!this._canvas) {\n\t\t\tvar ctx = CanvasProvider.getContext(this._size);\n\t\t\ttry {\n\t\t\t\tif (this._image)\n\t\t\t\t\tctx.drawImage(this._image, 0, 0);\n\t\t\t\tthis._canvas = ctx.canvas;\n\t\t\t} catch (e) {\n\t\t\t\tCanvasProvider.release(ctx);\n\t\t\t}\n\t\t}\n\t\treturn this._canvas;\n\t},\n\n\tsetCanvas: '#setImage',\n\n\tgetContext: function(_change) {\n\t\tif (!this._context)\n\t\t\tthis._context = this.getCanvas().getContext('2d');\n\t\tif (_change) {\n\t\t\tthis._image = null;\n\t\t\tthis._changed(1025);\n\t\t}\n\t\treturn this._context;\n\t},\n\n\tsetContext: function(context) {\n\t\tthis._context = context;\n\t},\n\n\tgetSource: function() {\n\t\tvar image = this._image;\n\t\treturn image && image.src || this.toDataURL();\n\t},\n\n\tsetSource: function(src) {\n\t\tvar image = new self.Image(),\n\t\t\tcrossOrigin = this._crossOrigin;\n\t\tif (crossOrigin)\n\t\t\timage.crossOrigin = crossOrigin;\n\t\tif (src)\n\t\t\timage.src = src;\n\t\tthis.setImage(image);\n\t},\n\n\tgetCrossOrigin: function() {\n\t\tvar image = this._image;\n\t\treturn image && image.crossOrigin || this._crossOrigin || '';\n\t},\n\n\tsetCrossOrigin: function(crossOrigin) {\n\t\tthis._crossOrigin = crossOrigin;\n\t\tvar image = this._image;\n\t\tif (image)\n\t\t\timage.crossOrigin = crossOrigin;\n\t},\n\n\tgetSmoothing: function() {\n\t\treturn this._smoothing;\n\t},\n\n\tsetSmoothing: function(smoothing) {\n\t\tthis._smoothing = typeof smoothing === 'string'\n\t\t\t? smoothing\n\t\t\t: smoothing ? 'low' : 'off';\n\t\tthis._changed(257);\n\t},\n\n\tgetElement: function() {\n\t\treturn this._canvas || this._loaded && this._image;\n\t}\n}, {\n\tbeans: false,\n\n\tgetSubCanvas: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\tctx = CanvasProvider.getContext(rect.getSize());\n\t\tctx.drawImage(this.getCanvas(), rect.x, rect.y,\n\t\t\t\trect.width, rect.height, 0, 0, rect.width, rect.height);\n\t\treturn ctx.canvas;\n\t},\n\n\tgetSubRaster: function() {\n\t\tvar rect = Rectangle.read(arguments),\n\t\t\traster = new Raster(Item.NO_INSERT);\n\t\traster._setImage(this.getSubCanvas(rect));\n\t\traster.translate(rect.getCenter().subtract(this.getSize().divide(2)));\n\t\traster._matrix.prepend(this._matrix);\n\t\traster.insertAbove(this);\n\t\treturn raster;\n\t},\n\n\ttoDataURL: function() {\n\t\tvar image = this._image,\n\t\t\tsrc = image && image.src;\n\t\tif (/^data:/.test(src))\n\t\t\treturn src;\n\t\tvar canvas = this.getCanvas();\n\t\treturn canvas ? canvas.toDataURL.apply(canvas, arguments) : null;\n\t},\n\n\tdrawImage: function(image ) {\n\t\tvar point = Point.read(arguments, 1);\n\t\tthis.getContext(true).drawImage(image, point.x, point.y);\n\t},\n\n\tgetAverageColor: function(object) {\n\t\tvar bounds, path;\n\t\tif (!object) {\n\t\t\tbounds = this.getBounds();\n\t\t} else if (object instanceof PathItem) {\n\t\t\tpath = object;\n\t\t\tbounds = object.getBounds();\n\t\t} else if (typeof object === 'object') {\n\t\t\tif ('width' in object) {\n\t\t\t\tbounds = new Rectangle(object);\n\t\t\t} else if ('x' in object) {\n\t\t\t\tbounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1);\n\t\t\t}\n\t\t}\n\t\tif (!bounds)\n\t\t\treturn null;\n\t\tvar sampleSize = 32,\n\t\t\twidth = Math.min(bounds.width, sampleSize),\n\t\t\theight = Math.min(bounds.height, sampleSize);\n\t\tvar ctx = Raster._sampleContext;\n\t\tif (!ctx) {\n\t\t\tctx = Raster._sampleContext = CanvasProvider.getContext(\n\t\t\t\t\tnew Size(sampleSize));\n\t\t} else {\n\t\t\tctx.clearRect(0, 0, sampleSize + 1, sampleSize + 1);\n\t\t}\n\t\tctx.save();\n\t\tvar matrix = new Matrix()\n\t\t\t\t.scale(width / bounds.width, height / bounds.height)\n\t\t\t\t.translate(-bounds.x, -bounds.y);\n\t\tmatrix.applyToContext(ctx);\n\t\tif (path)\n\t\t\tpath.draw(ctx, new Base({ clip: true, matrices: [matrix] }));\n\t\tthis._matrix.applyToContext(ctx);\n\t\tvar element = this.getElement(),\n\t\t\tsize = this._size;\n\t\tif (element)\n\t\t\tctx.drawImage(element, -size.width / 2, -size.height / 2);\n\t\tctx.restore();\n\t\tvar pixels = ctx.getImageData(0.5, 0.5, Math.ceil(width),\n\t\t\t\tMath.ceil(height)).data,\n\t\t\tchannels = [0, 0, 0],\n\t\t\ttotal = 0;\n\t\tfor (var i = 0, l = pixels.length; i < l; i += 4) {\n\t\t\tvar alpha = pixels[i + 3];\n\t\t\ttotal += alpha;\n\t\t\talpha /= 255;\n\t\t\tchannels[0] += pixels[i] * alpha;\n\t\t\tchannels[1] += pixels[i + 1] * alpha;\n\t\t\tchannels[2] += pixels[i + 2] * alpha;\n\t\t}\n\t\tfor (var i = 0; i < 3; i++)\n\t\t\tchannels[i] /= total;\n\t\treturn total ? Color.read(channels) : null;\n\t},\n\n\tgetPixel: function() {\n\t\tvar point = Point.read(arguments);\n\t\tvar data = this.getContext().getImageData(point.x, point.y, 1, 1).data;\n\t\treturn new Color('rgb', [data[0] / 255, data[1] / 255, data[2] / 255],\n\t\t\t\tdata[3] / 255);\n\t},\n\n\tsetPixel: function() {\n\t\tvar args = arguments,\n\t\t\tpoint = Point.read(args),\n\t\t\tcolor = Color.read(args),\n\t\t\tcomponents = color._convert('rgb'),\n\t\t\talpha = color._alpha,\n\t\t\tctx = this.getContext(true),\n\t\t\timageData = ctx.createImageData(1, 1),\n\t\t\tdata = imageData.data;\n\t\tdata[0] = components[0] * 255;\n\t\tdata[1] = components[1] * 255;\n\t\tdata[2] = components[2] * 255;\n\t\tdata[3] = alpha != null ? alpha * 255 : 255;\n\t\tctx.putImageData(imageData, point.x, point.y);\n\t},\n\n\tclear: function() {\n\t\tvar size = this._size;\n\t\tthis.getContext(true).clearRect(0, 0, size.width + 1, size.height + 1);\n\t},\n\n\tcreateImageData: function() {\n\t\tvar size = Size.read(arguments);\n\t\treturn this.getContext().createImageData(size.width, size.height);\n\t},\n\n\tgetImageData: function() {\n\t\tvar rect = Rectangle.read(arguments);\n\t\tif (rect.isEmpty())\n\t\t\trect = new Rectangle(this._size);\n\t\treturn this.getContext().getImageData(rect.x, rect.y,\n\t\t\t\trect.width, rect.height);\n\t},\n\n\tsetImageData: function(data ) {\n\t\tvar point = Point.read(arguments, 1);\n\t\tthis.getContext(true).putImageData(data, point.x, point.y);\n\t},\n\n\t_getBounds: function(matrix, options) {\n\t\tvar rect = new Rectangle(this._size).setCenter(0, 0);\n\t\treturn matrix ? matrix._transformBounds(rect) : rect;\n\t},\n\n\t_hitTestSelf: function(point) {\n\t\tif (this._contains(point)) {\n\t\t\tvar that = this;\n\t\t\treturn new HitResult('pixel', that, {\n\t\t\t\toffset: point.add(that._size.divide(2)).round(),\n\t\t\t\tcolor: {\n\t\t\t\t\tget: function() {\n\t\t\t\t\t\treturn that.getPixel(this.offset);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t});\n\t\t}\n\t},\n\n\t_draw: function(ctx, param, viewMatrix) {\n\t\tvar element = this.getElement();\n\t\tif (element && element.width > 0 && element.height > 0) {\n\t\t\tctx.globalAlpha = Numerical.clamp(this._opacity, 0, 1);\n\n\t\t\tthis._setStyles(ctx, param, viewMatrix);\n\n\t\t\tvar smoothing = this._smoothing,\n\t\t\t\tdisabled = smoothing === 'off';\n\t\t\tDomElement.setPrefixed(\n\t\t\t\tctx,\n\t\t\t\tdisabled ? 'imageSmoothingEnabled' : 'imageSmoothingQuality',\n\t\t\t\tdisabled ? false : smoothing\n\t\t\t);\n\n\t\t\tctx.drawImage(element,\n\t\t\t\t\t-this._size.width / 2, -this._size.height / 2);\n\t\t}\n\t},\n\n\t_canComposite: function() {\n\t\treturn true;\n\t}\n});\n\nvar SymbolItem = Item.extend({\n\t_class: 'SymbolItem',\n\t_applyMatrix: false,\n\t_canApplyMatrix: false,\n\t_boundsOptions: { stroke: true },\n\t_serializeFields: {\n\t\tsymbol: null\n\t},\n\n\tinitialize: function SymbolItem(arg0, arg1) {\n\t\tif (!this._initialize(arg0,\n\t\t\t\targ1 !== undefined && Point.read(arguments, 1)))\n\t\t\tthis.setDefinition(arg0 instanceof SymbolDefinition ?\n\t\t\t\t\targ0 : new SymbolDefinition(arg0));\n\t},\n\n\t_equals: function(item) {\n\t\treturn this._definition === item._definition;\n\t},\n\n\tcopyContent: function(source) {\n\t\tthis.setDefinition(source._definition);\n\t},\n\n\tgetDefinition: function() {\n\t\treturn this._definition;\n\t},\n\n\tsetDefinition: function(definition) {\n\t\tthis._definition = definition;\n\t\tthis._changed(9);\n\t},\n\n\tgetSymbol: '#getDefinition',\n\tsetSymbol: '#setDefinition',\n\n\tisEmpty: function() {\n\t\treturn this._definition._item.isEmpty();\n\t},\n\n\t_getBounds: function(matrix, options) {\n\t\tvar item = this._definition._item;\n\t\treturn item._getCachedBounds(item._matrix.prepended(matrix), options);\n\t},\n\n\t_hitTestSelf: function(point, options, viewMatrix) {\n\t\tvar opts = options.extend({ all: false });\n\t\tvar res = this._definition._item._hitTest(point, opts, viewMatrix);\n\t\tif (res)\n\t\t\tres.item = this;\n\t\treturn res;\n\t},\n\n\t_draw: function(ctx, param) {\n\t\tthis._definition._item.draw(ctx, param);\n\t}\n\n});\n\nvar SymbolDefinition = Base.extend({\n\t_class: 'SymbolDefinition',\n\n\tinitialize: function SymbolDefinition(item, dontCenter) {\n\t\tthis._id = UID.get();\n\t\tthis.project = paper.project;\n\t\tif (item)\n\t\t\tthis.setItem(item, dontCenter);\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\treturn dictionary.add(this, function() {\n\t\t\treturn Base.serialize([this._class, this._item],\n\t\t\t\t\toptions, false, dictionary);\n\t\t});\n\t},\n\n\t_changed: function(flags) {\n\t\tif (flags & 8)\n\t\t\tItem._clearBoundsCache(this);\n\t\tif (flags & 1)\n\t\t\tthis.project._changed(flags);\n\t},\n\n\tgetItem: function() {\n\t\treturn this._item;\n\t},\n\n\tsetItem: function(item, _dontCenter) {\n\t\tif (item._symbol)\n\t\t\titem = item.clone();\n\t\tif (this._item)\n\t\t\tthis._item._symbol = null;\n\t\tthis._item = item;\n\t\titem.remove();\n\t\titem.setSelected(false);\n\t\tif (!_dontCenter)\n\t\t\titem.setPosition(new Point());\n\t\titem._symbol = this;\n\t\tthis._changed(9);\n\t},\n\n\tgetDefinition: '#getItem',\n\tsetDefinition: '#setItem',\n\n\tplace: function(position) {\n\t\treturn new SymbolItem(this, position);\n\t},\n\n\tclone: function() {\n\t\treturn new SymbolDefinition(this._item.clone(false));\n\t},\n\n\tequals: function(symbol) {\n\t\treturn symbol === this\n\t\t\t\t|| symbol && this._item.equals(symbol._item)\n\t\t\t\t|| false;\n\t}\n});\n\nvar HitResult = Base.extend({\n\t_class: 'HitResult',\n\n\tinitialize: function HitResult(type, item, values) {\n\t\tthis.type = type;\n\t\tthis.item = item;\n\t\tif (values)\n\t\t\tthis.inject(values);\n\t},\n\n\tstatics: {\n\t\tgetOptions: function(args) {\n\t\t\tvar options = args && Base.read(args);\n\t\t\treturn new Base({\n\t\t\t\ttype: null,\n\t\t\t\ttolerance: paper.settings.hitTolerance,\n\t\t\t\tfill: !options,\n\t\t\t\tstroke: !options,\n\t\t\t\tsegments: !options,\n\t\t\t\thandles: false,\n\t\t\t\tends: false,\n\t\t\t\tposition: false,\n\t\t\t\tcenter: false,\n\t\t\t\tbounds: false,\n\t\t\t\tguides: false,\n\t\t\t\tselected: false\n\t\t\t}, options);\n\t\t}\n\t}\n});\n\nvar Segment = Base.extend({\n\t_class: 'Segment',\n\tbeans: true,\n\t_selection: 0,\n\n\tinitialize: function Segment(arg0, arg1, arg2, arg3, arg4, arg5) {\n\t\tvar count = arguments.length,\n\t\t\tpoint, handleIn, handleOut, selection;\n\t\tif (count > 0) {\n\t\t\tif (arg0 == null || typeof arg0 === 'object') {\n\t\t\t\tif (count === 1 && arg0 && 'point' in arg0) {\n\t\t\t\t\tpoint = arg0.point;\n\t\t\t\t\thandleIn = arg0.handleIn;\n\t\t\t\t\thandleOut = arg0.handleOut;\n\t\t\t\t\tselection = arg0.selection;\n\t\t\t\t} else {\n\t\t\t\t\tpoint = arg0;\n\t\t\t\t\thandleIn = arg1;\n\t\t\t\t\thandleOut = arg2;\n\t\t\t\t\tselection = arg3;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tpoint = [ arg0, arg1 ];\n\t\t\t\thandleIn = arg2 !== undefined ? [ arg2, arg3 ] : null;\n\t\t\t\thandleOut = arg4 !== undefined ? [ arg4, arg5 ] : null;\n\t\t\t}\n\t\t}\n\t\tnew SegmentPoint(point, this, '_point');\n\t\tnew SegmentPoint(handleIn, this, '_handleIn');\n\t\tnew SegmentPoint(handleOut, this, '_handleOut');\n\t\tif (selection)\n\t\t\tthis.setSelection(selection);\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\tvar point = this._point,\n\t\t\tselection = this._selection,\n\t\t\tobj = selection || this.hasHandles()\n\t\t\t\t\t? [point, this._handleIn, this._handleOut]\n\t\t\t\t\t: point;\n\t\tif (selection)\n\t\t\tobj.push(selection);\n\t\treturn Base.serialize(obj, options, true, dictionary);\n\t},\n\n\t_changed: function(point) {\n\t\tvar path = this._path;\n\t\tif (!path)\n\t\t\treturn;\n\t\tvar curves = path._curves,\n\t\t\tindex = this._index,\n\t\t\tcurve;\n\t\tif (curves) {\n\t\t\tif ((!point || point === this._point || point === this._handleIn)\n\t\t\t\t\t&& (curve = index > 0 ? curves[index - 1] : path._closed\n\t\t\t\t\t\t? curves[curves.length - 1] : null))\n\t\t\t\tcurve._changed();\n\t\t\tif ((!point || point === this._point || point === this._handleOut)\n\t\t\t\t\t&& (curve = curves[index]))\n\t\t\t\tcurve._changed();\n\t\t}\n\t\tpath._changed(41);\n\t},\n\n\tgetPoint: function() {\n\t\treturn this._point;\n\t},\n\n\tsetPoint: function() {\n\t\tthis._point.set(Point.read(arguments));\n\t},\n\n\tgetHandleIn: function() {\n\t\treturn this._handleIn;\n\t},\n\n\tsetHandleIn: function() {\n\t\tthis._handleIn.set(Point.read(arguments));\n\t},\n\n\tgetHandleOut: function() {\n\t\treturn this._handleOut;\n\t},\n\n\tsetHandleOut: function() {\n\t\tthis._handleOut.set(Point.read(arguments));\n\t},\n\n\thasHandles: function() {\n\t\treturn !this._handleIn.isZero() || !this._handleOut.isZero();\n\t},\n\n\tisSmooth: function() {\n\t\tvar handleIn = this._handleIn,\n\t\t\thandleOut = this._handleOut;\n\t\treturn !handleIn.isZero() && !handleOut.isZero()\n\t\t\t\t&& handleIn.isCollinear(handleOut);\n\t},\n\n\tclearHandles: function() {\n\t\tthis._handleIn._set(0, 0);\n\t\tthis._handleOut._set(0, 0);\n\t},\n\n\tgetSelection: function() {\n\t\treturn this._selection;\n\t},\n\n\tsetSelection: function(selection) {\n\t\tvar oldSelection = this._selection,\n\t\t\tpath = this._path;\n\t\tthis._selection = selection = selection || 0;\n\t\tif (path && selection !== oldSelection) {\n\t\t\tpath._updateSelection(this, oldSelection, selection);\n\t\t\tpath._changed(257);\n\t\t}\n\t},\n\n\t_changeSelection: function(flag, selected) {\n\t\tvar selection = this._selection;\n\t\tthis.setSelection(selected ? selection | flag : selection & ~flag);\n\t},\n\n\tisSelected: function() {\n\t\treturn !!(this._selection & 7);\n\t},\n\n\tsetSelected: function(selected) {\n\t\tthis._changeSelection(7, selected);\n\t},\n\n\tgetIndex: function() {\n\t\treturn this._index !== undefined ? this._index : null;\n\t},\n\n\tgetPath: function() {\n\t\treturn this._path || null;\n\t},\n\n\tgetCurve: function() {\n\t\tvar path = this._path,\n\t\t\tindex = this._index;\n\t\tif (path) {\n\t\t\tif (index > 0 && !path._closed\n\t\t\t\t\t&& index === path._segments.length - 1)\n\t\t\t\tindex--;\n\t\t\treturn path.getCurves()[index] || null;\n\t\t}\n\t\treturn null;\n\t},\n\n\tgetLocation: function() {\n\t\tvar curve = this.getCurve();\n\t\treturn curve\n\t\t\t\t? new CurveLocation(curve, this === curve._segment1 ? 0 : 1)\n\t\t\t\t: null;\n\t},\n\n\tgetNext: function() {\n\t\tvar segments = this._path && this._path._segments;\n\t\treturn segments && (segments[this._index + 1]\n\t\t\t\t|| this._path._closed && segments[0]) || null;\n\t},\n\n\tsmooth: function(options, _first, _last) {\n\t\tvar opts = options || {},\n\t\t\ttype = opts.type,\n\t\t\tfactor = opts.factor,\n\t\t\tprev = this.getPrevious(),\n\t\t\tnext = this.getNext(),\n\t\t\tp0 = (prev || this)._point,\n\t\t\tp1 = this._point,\n\t\t\tp2 = (next || this)._point,\n\t\t\td1 = p0.getDistance(p1),\n\t\t\td2 = p1.getDistance(p2);\n\t\tif (!type || type === 'catmull-rom') {\n\t\t\tvar a = factor === undefined ? 0.5 : factor,\n\t\t\t\td1_a = Math.pow(d1, a),\n\t\t\t\td1_2a = d1_a * d1_a,\n\t\t\t\td2_a = Math.pow(d2, a),\n\t\t\t\td2_2a = d2_a * d2_a;\n\t\t\tif (!_first && prev) {\n\t\t\t\tvar A = 2 * d2_2a + 3 * d2_a * d1_a + d1_2a,\n\t\t\t\t\tN = 3 * d2_a * (d2_a + d1_a);\n\t\t\t\tthis.setHandleIn(N !== 0\n\t\t\t\t\t? new Point(\n\t\t\t\t\t\t(d2_2a * p0._x + A * p1._x - d1_2a * p2._x) / N - p1._x,\n\t\t\t\t\t\t(d2_2a * p0._y + A * p1._y - d1_2a * p2._y) / N - p1._y)\n\t\t\t\t\t: new Point());\n\t\t\t}\n\t\t\tif (!_last && next) {\n\t\t\t\tvar A = 2 * d1_2a + 3 * d1_a * d2_a + d2_2a,\n\t\t\t\t\tN = 3 * d1_a * (d1_a + d2_a);\n\t\t\t\tthis.setHandleOut(N !== 0\n\t\t\t\t\t? new Point(\n\t\t\t\t\t\t(d1_2a * p2._x + A * p1._x - d2_2a * p0._x) / N - p1._x,\n\t\t\t\t\t\t(d1_2a * p2._y + A * p1._y - d2_2a * p0._y) / N - p1._y)\n\t\t\t\t\t: new Point());\n\t\t\t}\n\t\t} else if (type === 'geometric') {\n\t\t\tif (prev && next) {\n\t\t\t\tvar vector = p0.subtract(p2),\n\t\t\t\t\tt = factor === undefined ? 0.4 : factor,\n\t\t\t\t\tk = t * d1 / (d1 + d2);\n\t\t\t\tif (!_first)\n\t\t\t\t\tthis.setHandleIn(vector.multiply(k));\n\t\t\t\tif (!_last)\n\t\t\t\t\tthis.setHandleOut(vector.multiply(k - t));\n\t\t\t}\n\t\t} else {\n\t\t\tthrow new Error('Smoothing method \\'' + type + '\\' not supported.');\n\t\t}\n\t},\n\n\tgetPrevious: function() {\n\t\tvar segments = this._path && this._path._segments;\n\t\treturn segments && (segments[this._index - 1]\n\t\t\t\t|| this._path._closed && segments[segments.length - 1]) || null;\n\t},\n\n\tisFirst: function() {\n\t\treturn !this._index;\n\t},\n\n\tisLast: function() {\n\t\tvar path = this._path;\n\t\treturn path && this._index === path._segments.length - 1 || false;\n\t},\n\n\treverse: function() {\n\t\tvar handleIn = this._handleIn,\n\t\t\thandleOut = this._handleOut,\n\t\t\ttmp = handleIn.clone();\n\t\thandleIn.set(handleOut);\n\t\thandleOut.set(tmp);\n\t},\n\n\treversed: function() {\n\t\treturn new Segment(this._point, this._handleOut, this._handleIn);\n\t},\n\n\tremove: function() {\n\t\treturn this._path ? !!this._path.removeSegment(this._index) : false;\n\t},\n\n\tclone: function() {\n\t\treturn new Segment(this._point, this._handleIn, this._handleOut);\n\t},\n\n\tequals: function(segment) {\n\t\treturn segment === this || segment && this._class === segment._class\n\t\t\t\t&& this._point.equals(segment._point)\n\t\t\t\t&& this._handleIn.equals(segment._handleIn)\n\t\t\t\t&& this._handleOut.equals(segment._handleOut)\n\t\t\t\t|| false;\n\t},\n\n\ttoString: function() {\n\t\tvar parts = [ 'point: ' + this._point ];\n\t\tif (!this._handleIn.isZero())\n\t\t\tparts.push('handleIn: ' + this._handleIn);\n\t\tif (!this._handleOut.isZero())\n\t\t\tparts.push('handleOut: ' + this._handleOut);\n\t\treturn '{ ' + parts.join(', ') + ' }';\n\t},\n\n\ttransform: function(matrix) {\n\t\tthis._transformCoordinates(matrix, new Array(6), true);\n\t\tthis._changed();\n\t},\n\n\tinterpolate: function(from, to, factor) {\n\t\tvar u = 1 - factor,\n\t\t\tv = factor,\n\t\t\tpoint1 = from._point,\n\t\t\tpoint2 = to._point,\n\t\t\thandleIn1 = from._handleIn,\n\t\t\thandleIn2 = to._handleIn,\n\t\t\thandleOut2 = to._handleOut,\n\t\t\thandleOut1 = from._handleOut;\n\t\tthis._point._set(\n\t\t\t\tu * point1._x + v * point2._x,\n\t\t\t\tu * point1._y + v * point2._y, true);\n\t\tthis._handleIn._set(\n\t\t\t\tu * handleIn1._x + v * handleIn2._x,\n\t\t\t\tu * handleIn1._y + v * handleIn2._y, true);\n\t\tthis._handleOut._set(\n\t\t\t\tu * handleOut1._x + v * handleOut2._x,\n\t\t\t\tu * handleOut1._y + v * handleOut2._y, true);\n\t\tthis._changed();\n\t},\n\n\t_transformCoordinates: function(matrix, coords, change) {\n\t\tvar point = this._point,\n\t\t\thandleIn = !change || !this._handleIn.isZero()\n\t\t\t\t\t? this._handleIn : null,\n\t\t\thandleOut = !change || !this._handleOut.isZero()\n\t\t\t\t\t? this._handleOut : null,\n\t\t\tx = point._x,\n\t\t\ty = point._y,\n\t\t\ti = 2;\n\t\tcoords[0] = x;\n\t\tcoords[1] = y;\n\t\tif (handleIn) {\n\t\t\tcoords[i++] = handleIn._x + x;\n\t\t\tcoords[i++] = handleIn._y + y;\n\t\t}\n\t\tif (handleOut) {\n\t\t\tcoords[i++] = handleOut._x + x;\n\t\t\tcoords[i++] = handleOut._y + y;\n\t\t}\n\t\tif (matrix) {\n\t\t\tmatrix._transformCoordinates(coords, coords, i / 2);\n\t\t\tx = coords[0];\n\t\t\ty = coords[1];\n\t\t\tif (change) {\n\t\t\t\tpoint._x = x;\n\t\t\t\tpoint._y = y;\n\t\t\t\ti = 2;\n\t\t\t\tif (handleIn) {\n\t\t\t\t\thandleIn._x = coords[i++] - x;\n\t\t\t\t\thandleIn._y = coords[i++] - y;\n\t\t\t\t}\n\t\t\t\tif (handleOut) {\n\t\t\t\t\thandleOut._x = coords[i++] - x;\n\t\t\t\t\thandleOut._y = coords[i++] - y;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (!handleIn) {\n\t\t\t\t\tcoords[i++] = x;\n\t\t\t\t\tcoords[i++] = y;\n\t\t\t\t}\n\t\t\t\tif (!handleOut) {\n\t\t\t\t\tcoords[i++] = x;\n\t\t\t\t\tcoords[i++] = y;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn coords;\n\t}\n});\n\nvar SegmentPoint = Point.extend({\n\tinitialize: function SegmentPoint(point, owner, key) {\n\t\tvar x, y,\n\t\t\tselected;\n\t\tif (!point) {\n\t\t\tx = y = 0;\n\t\t} else if ((x = point[0]) !== undefined) {\n\t\t\ty = point[1];\n\t\t} else {\n\t\t\tvar pt = point;\n\t\t\tif ((x = pt.x) === undefined) {\n\t\t\t\tpt = Point.read(arguments);\n\t\t\t\tx = pt.x;\n\t\t\t}\n\t\t\ty = pt.y;\n\t\t\tselected = pt.selected;\n\t\t}\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._owner = owner;\n\t\towner[key] = this;\n\t\tif (selected)\n\t\t\tthis.setSelected(true);\n\t},\n\n\t_set: function(x, y) {\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._owner._changed(this);\n\t\treturn this;\n\t},\n\n\tgetX: function() {\n\t\treturn this._x;\n\t},\n\n\tsetX: function(x) {\n\t\tthis._x = x;\n\t\tthis._owner._changed(this);\n\t},\n\n\tgetY: function() {\n\t\treturn this._y;\n\t},\n\n\tsetY: function(y) {\n\t\tthis._y = y;\n\t\tthis._owner._changed(this);\n\t},\n\n\tisZero: function() {\n\t\tvar isZero = Numerical.isZero;\n\t\treturn isZero(this._x) && isZero(this._y);\n\t},\n\n\tisSelected: function() {\n\t\treturn !!(this._owner._selection & this._getSelection());\n\t},\n\n\tsetSelected: function(selected) {\n\t\tthis._owner._changeSelection(this._getSelection(), selected);\n\t},\n\n\t_getSelection: function() {\n\t\tvar owner = this._owner;\n\t\treturn this === owner._point ? 1\n\t\t\t: this === owner._handleIn ? 2\n\t\t\t: this === owner._handleOut ? 4\n\t\t\t: 0;\n\t}\n});\n\nvar Curve = Base.extend({\n\t_class: 'Curve',\n\tbeans: true,\n\n\tinitialize: function Curve(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {\n\t\tvar count = arguments.length,\n\t\t\tseg1, seg2,\n\t\t\tpoint1, point2,\n\t\t\thandle1, handle2;\n\t\tif (count === 3) {\n\t\t\tthis._path = arg0;\n\t\t\tseg1 = arg1;\n\t\t\tseg2 = arg2;\n\t\t} else if (!count) {\n\t\t\tseg1 = new Segment();\n\t\t\tseg2 = new Segment();\n\t\t} else if (count === 1) {\n\t\t\tif ('segment1' in arg0) {\n\t\t\t\tseg1 = new Segment(arg0.segment1);\n\t\t\t\tseg2 = new Segment(arg0.segment2);\n\t\t\t} else if ('point1' in arg0) {\n\t\t\t\tpoint1 = arg0.point1;\n\t\t\t\thandle1 = arg0.handle1;\n\t\t\t\thandle2 = arg0.handle2;\n\t\t\t\tpoint2 = arg0.point2;\n\t\t\t} else if (Array.isArray(arg0)) {\n\t\t\t\tpoint1 = [arg0[0], arg0[1]];\n\t\t\t\tpoint2 = [arg0[6], arg0[7]];\n\t\t\t\thandle1 = [arg0[2] - arg0[0], arg0[3] - arg0[1]];\n\t\t\t\thandle2 = [arg0[4] - arg0[6], arg0[5] - arg0[7]];\n\t\t\t}\n\t\t} else if (count === 2) {\n\t\t\tseg1 = new Segment(arg0);\n\t\t\tseg2 = new Segment(arg1);\n\t\t} else if (count === 4) {\n\t\t\tpoint1 = arg0;\n\t\t\thandle1 = arg1;\n\t\t\thandle2 = arg2;\n\t\t\tpoint2 = arg3;\n\t\t} else if (count === 8) {\n\t\t\tpoint1 = [arg0, arg1];\n\t\t\tpoint2 = [arg6, arg7];\n\t\t\thandle1 = [arg2 - arg0, arg3 - arg1];\n\t\t\thandle2 = [arg4 - arg6, arg5 - arg7];\n\t\t}\n\t\tthis._segment1 = seg1 || new Segment(point1, null, handle1);\n\t\tthis._segment2 = seg2 || new Segment(point2, handle2, null);\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\treturn Base.serialize(this.hasHandles()\n\t\t\t\t? [this.getPoint1(), this.getHandle1(), this.getHandle2(),\n\t\t\t\t\tthis.getPoint2()]\n\t\t\t\t: [this.getPoint1(), this.getPoint2()],\n\t\t\t\toptions, true, dictionary);\n\t},\n\n\t_changed: function() {\n\t\tthis._length = this._bounds = undefined;\n\t},\n\n\tclone: function() {\n\t\treturn new Curve(this._segment1, this._segment2);\n\t},\n\n\ttoString: function() {\n\t\tvar parts = [ 'point1: ' + this._segment1._point ];\n\t\tif (!this._segment1._handleOut.isZero())\n\t\t\tparts.push('handle1: ' + this._segment1._handleOut);\n\t\tif (!this._segment2._handleIn.isZero())\n\t\t\tparts.push('handle2: ' + this._segment2._handleIn);\n\t\tparts.push('point2: ' + this._segment2._point);\n\t\treturn '{ ' + parts.join(', ') + ' }';\n\t},\n\n\tclassify: function() {\n\t\treturn Curve.classify(this.getValues());\n\t},\n\n\tremove: function() {\n\t\tvar removed = false;\n\t\tif (this._path) {\n\t\t\tvar segment2 = this._segment2,\n\t\t\t\thandleOut = segment2._handleOut;\n\t\t\tremoved = segment2.remove();\n\t\t\tif (removed)\n\t\t\t\tthis._segment1._handleOut.set(handleOut);\n\t\t}\n\t\treturn removed;\n\t},\n\n\tgetPoint1: function() {\n\t\treturn this._segment1._point;\n\t},\n\n\tsetPoint1: function() {\n\t\tthis._segment1._point.set(Point.read(arguments));\n\t},\n\n\tgetPoint2: function() {\n\t\treturn this._segment2._point;\n\t},\n\n\tsetPoint2: function() {\n\t\tthis._segment2._point.set(Point.read(arguments));\n\t},\n\n\tgetHandle1: function() {\n\t\treturn this._segment1._handleOut;\n\t},\n\n\tsetHandle1: function() {\n\t\tthis._segment1._handleOut.set(Point.read(arguments));\n\t},\n\n\tgetHandle2: function() {\n\t\treturn this._segment2._handleIn;\n\t},\n\n\tsetHandle2: function() {\n\t\tthis._segment2._handleIn.set(Point.read(arguments));\n\t},\n\n\tgetSegment1: function() {\n\t\treturn this._segment1;\n\t},\n\n\tgetSegment2: function() {\n\t\treturn this._segment2;\n\t},\n\n\tgetPath: function() {\n\t\treturn this._path;\n\t},\n\n\tgetIndex: function() {\n\t\treturn this._segment1._index;\n\t},\n\n\tgetNext: function() {\n\t\tvar curves = this._path && this._path._curves;\n\t\treturn curves && (curves[this._segment1._index + 1]\n\t\t\t\t|| this._path._closed && curves[0]) || null;\n\t},\n\n\tgetPrevious: function() {\n\t\tvar curves = this._path && this._path._curves;\n\t\treturn curves && (curves[this._segment1._index - 1]\n\t\t\t\t|| this._path._closed && curves[curves.length - 1]) || null;\n\t},\n\n\tisFirst: function() {\n\t\treturn !this._segment1._index;\n\t},\n\n\tisLast: function() {\n\t\tvar path = this._path;\n\t\treturn path && this._segment1._index === path._curves.length - 1\n\t\t\t\t|| false;\n\t},\n\n\tisSelected: function() {\n\t\treturn this.getPoint1().isSelected()\n\t\t\t\t&& this.getHandle1().isSelected()\n\t\t\t\t&& this.getHandle2().isSelected()\n\t\t\t\t&& this.getPoint2().isSelected();\n\t},\n\n\tsetSelected: function(selected) {\n\t\tthis.getPoint1().setSelected(selected);\n\t\tthis.getHandle1().setSelected(selected);\n\t\tthis.getHandle2().setSelected(selected);\n\t\tthis.getPoint2().setSelected(selected);\n\t},\n\n\tgetValues: function(matrix) {\n\t\treturn Curve.getValues(this._segment1, this._segment2, matrix);\n\t},\n\n\tgetPoints: function() {\n\t\tvar coords = this.getValues(),\n\t\t\tpoints = [];\n\t\tfor (var i = 0; i < 8; i += 2)\n\t\t\tpoints.push(new Point(coords[i], coords[i + 1]));\n\t\treturn points;\n\t}\n}, {\n\tgetLength: function() {\n\t\tif (this._length == null)\n\t\t\tthis._length = Curve.getLength(this.getValues(), 0, 1);\n\t\treturn this._length;\n\t},\n\n\tgetArea: function() {\n\t\treturn Curve.getArea(this.getValues());\n\t},\n\n\tgetLine: function() {\n\t\treturn new Line(this._segment1._point, this._segment2._point);\n\t},\n\n\tgetPart: function(from, to) {\n\t\treturn new Curve(Curve.getPart(this.getValues(), from, to));\n\t},\n\n\tgetPartLength: function(from, to) {\n\t\treturn Curve.getLength(this.getValues(), from, to);\n\t},\n\n\tdivideAt: function(location) {\n\t\treturn this.divideAtTime(location && location.curve === this\n\t\t\t\t? location.time : this.getTimeAt(location));\n\t},\n\n\tdivideAtTime: function(time, _setHandles) {\n\t\tvar tMin = 1e-8,\n\t\t\ttMax = 1 - tMin,\n\t\t\tres = null;\n\t\tif (time >= tMin && time <= tMax) {\n\t\t\tvar parts = Curve.subdivide(this.getValues(), time),\n\t\t\t\tleft = parts[0],\n\t\t\t\tright = parts[1],\n\t\t\t\tsetHandles = _setHandles || this.hasHandles(),\n\t\t\t\tseg1 = this._segment1,\n\t\t\t\tseg2 = this._segment2,\n\t\t\t\tpath = this._path;\n\t\t\tif (setHandles) {\n\t\t\t\tseg1._handleOut._set(left[2] - left[0], left[3] - left[1]);\n\t\t\t\tseg2._handleIn._set(right[4] - right[6],right[5] - right[7]);\n\t\t\t}\n\t\t\tvar x = left[6], y = left[7],\n\t\t\t\tsegment = new Segment(new Point(x, y),\n\t\t\t\t\t\tsetHandles && new Point(left[4] - x, left[5] - y),\n\t\t\t\t\t\tsetHandles && new Point(right[2] - x, right[3] - y));\n\t\t\tif (path) {\n\t\t\t\tpath.insert(seg1._index + 1, segment);\n\t\t\t\tres = this.getNext();\n\t\t\t} else {\n\t\t\t\tthis._segment2 = segment;\n\t\t\t\tthis._changed();\n\t\t\t\tres = new Curve(segment, seg2);\n\t\t\t}\n\t\t}\n\t\treturn res;\n\t},\n\n\tsplitAt: function(location) {\n\t\tvar path = this._path;\n\t\treturn path ? path.splitAt(location) : null;\n\t},\n\n\tsplitAtTime: function(time) {\n\t\treturn this.splitAt(this.getLocationAtTime(time));\n\t},\n\n\tdivide: function(offset, isTime) {\n\t\treturn this.divideAtTime(offset === undefined ? 0.5 : isTime ? offset\n\t\t\t\t: this.getTimeAt(offset));\n\t},\n\n\tsplit: function(offset, isTime) {\n\t\treturn this.splitAtTime(offset === undefined ? 0.5 : isTime ? offset\n\t\t\t\t: this.getTimeAt(offset));\n\t},\n\n\treversed: function() {\n\t\treturn new Curve(this._segment2.reversed(), this._segment1.reversed());\n\t},\n\n\tclearHandles: function() {\n\t\tthis._segment1._handleOut._set(0, 0);\n\t\tthis._segment2._handleIn._set(0, 0);\n\t},\n\nstatics: {\n\tgetValues: function(segment1, segment2, matrix, straight) {\n\t\tvar p1 = segment1._point,\n\t\t\th1 = segment1._handleOut,\n\t\t\th2 = segment2._handleIn,\n\t\t\tp2 = segment2._point,\n\t\t\tx1 = p1.x, y1 = p1.y,\n\t\t\tx2 = p2.x, y2 = p2.y,\n\t\t\tvalues = straight\n\t\t\t\t? [ x1, y1, x1, y1, x2, y2, x2, y2 ]\n\t\t\t\t: [\n\t\t\t\t\tx1, y1,\n\t\t\t\t\tx1 + h1._x, y1 + h1._y,\n\t\t\t\t\tx2 + h2._x, y2 + h2._y,\n\t\t\t\t\tx2, y2\n\t\t\t\t];\n\t\tif (matrix)\n\t\t\tmatrix._transformCoordinates(values, values, 4);\n\t\treturn values;\n\t},\n\n\tsubdivide: function(v, t) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7];\n\t\tif (t === undefined)\n\t\t\tt = 0.5;\n\t\tvar u = 1 - t,\n\t\t\tx4 = u * x0 + t * x1, y4 = u * y0 + t * y1,\n\t\t\tx5 = u * x1 + t * x2, y5 = u * y1 + t * y2,\n\t\t\tx6 = u * x2 + t * x3, y6 = u * y2 + t * y3,\n\t\t\tx7 = u * x4 + t * x5, y7 = u * y4 + t * y5,\n\t\t\tx8 = u * x5 + t * x6, y8 = u * y5 + t * y6,\n\t\t\tx9 = u * x7 + t * x8, y9 = u * y7 + t * y8;\n\t\treturn [\n\t\t\t[x0, y0, x4, y4, x7, y7, x9, y9],\n\t\t\t[x9, y9, x8, y8, x6, y6, x3, y3]\n\t\t];\n\t},\n\n\tgetMonoCurves: function(v, dir) {\n\t\tvar curves = [],\n\t\t\tio = dir ? 0 : 1,\n\t\t\to0 = v[io + 0],\n\t\t\to1 = v[io + 2],\n\t\t\to2 = v[io + 4],\n\t\t\to3 = v[io + 6];\n\t\tif ((o0 >= o1) === (o1 >= o2) && (o1 >= o2) === (o2 >= o3)\n\t\t\t\t|| Curve.isStraight(v)) {\n\t\t\tcurves.push(v);\n\t\t} else {\n\t\t\tvar a = 3 * (o1 - o2) - o0 + o3,\n\t\t\t\tb = 2 * (o0 + o2) - 4 * o1,\n\t\t\t\tc = o1 - o0,\n\t\t\t\ttMin = 1e-8,\n\t\t\t\ttMax = 1 - tMin,\n\t\t\t\troots = [],\n\t\t\t\tn = Numerical.solveQuadratic(a, b, c, roots, tMin, tMax);\n\t\t\tif (!n) {\n\t\t\t\tcurves.push(v);\n\t\t\t} else {\n\t\t\t\troots.sort();\n\t\t\t\tvar t = roots[0],\n\t\t\t\t\tparts = Curve.subdivide(v, t);\n\t\t\t\tcurves.push(parts[0]);\n\t\t\t\tif (n > 1) {\n\t\t\t\t\tt = (roots[1] - t) / (1 - t);\n\t\t\t\t\tparts = Curve.subdivide(parts[1], t);\n\t\t\t\t\tcurves.push(parts[0]);\n\t\t\t\t}\n\t\t\t\tcurves.push(parts[1]);\n\t\t\t}\n\t\t}\n\t\treturn curves;\n\t},\n\n\tsolveCubic: function (v, coord, val, roots, min, max) {\n\t\tvar v0 = v[coord],\n\t\t\tv1 = v[coord + 2],\n\t\t\tv2 = v[coord + 4],\n\t\t\tv3 = v[coord + 6],\n\t\t\tres = 0;\n\t\tif (  !(v0 < val && v3 < val && v1 < val && v2 < val ||\n\t\t\t\tv0 > val && v3 > val && v1 > val && v2 > val)) {\n\t\t\tvar c = 3 * (v1 - v0),\n\t\t\t\tb = 3 * (v2 - v1) - c,\n\t\t\t\ta = v3 - v0 - c - b;\n\t\t\tres = Numerical.solveCubic(a, b, c, v0 - val, roots, min, max);\n\t\t}\n\t\treturn res;\n\t},\n\n\tgetTimeOf: function(v, point) {\n\t\tvar p0 = new Point(v[0], v[1]),\n\t\t\tp3 = new Point(v[6], v[7]),\n\t\t\tepsilon = 1e-12,\n\t\t\tgeomEpsilon = 1e-7,\n\t\t\tt = point.isClose(p0, epsilon) ? 0\n\t\t\t  : point.isClose(p3, epsilon) ? 1\n\t\t\t  : null;\n\t\tif (t === null) {\n\t\t\tvar coords = [point.x, point.y],\n\t\t\t\troots = [];\n\t\t\tfor (var c = 0; c < 2; c++) {\n\t\t\t\tvar count = Curve.solveCubic(v, c, coords[c], roots, 0, 1);\n\t\t\t\tfor (var i = 0; i < count; i++) {\n\t\t\t\t\tvar u = roots[i];\n\t\t\t\t\tif (point.isClose(Curve.getPoint(v, u), geomEpsilon))\n\t\t\t\t\t\treturn u;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn point.isClose(p0, geomEpsilon) ? 0\n\t\t\t : point.isClose(p3, geomEpsilon) ? 1\n\t\t\t : null;\n\t},\n\n\tgetNearestTime: function(v, point) {\n\t\tif (Curve.isStraight(v)) {\n\t\t\tvar x0 = v[0], y0 = v[1],\n\t\t\t\tx3 = v[6], y3 = v[7],\n\t\t\t\tvx = x3 - x0, vy = y3 - y0,\n\t\t\t\tdet = vx * vx + vy * vy;\n\t\t\tif (det === 0)\n\t\t\t\treturn 0;\n\t\t\tvar u = ((point.x - x0) * vx + (point.y - y0) * vy) / det;\n\t\t\treturn u < 1e-12 ? 0\n\t\t\t\t : u > 0.999999999999 ? 1\n\t\t\t\t : Curve.getTimeOf(v,\n\t\t\t\t\tnew Point(x0 + u * vx, y0 + u * vy));\n\t\t}\n\n\t\tvar count = 100,\n\t\t\tminDist = Infinity,\n\t\t\tminT = 0;\n\n\t\tfunction refine(t) {\n\t\t\tif (t >= 0 && t <= 1) {\n\t\t\t\tvar dist = point.getDistance(Curve.getPoint(v, t), true);\n\t\t\t\tif (dist < minDist) {\n\t\t\t\t\tminDist = dist;\n\t\t\t\t\tminT = t;\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = 0; i <= count; i++)\n\t\t\trefine(i / count);\n\n\t\tvar step = 1 / (count * 2);\n\t\twhile (step > 1e-8) {\n\t\t\tif (!refine(minT - step) && !refine(minT + step))\n\t\t\t\tstep /= 2;\n\t\t}\n\t\treturn minT;\n\t},\n\n\tgetPart: function(v, from, to) {\n\t\tvar flip = from > to;\n\t\tif (flip) {\n\t\t\tvar tmp = from;\n\t\t\tfrom = to;\n\t\t\tto = tmp;\n\t\t}\n\t\tif (from > 0)\n\t\t\tv = Curve.subdivide(v, from)[1];\n\t\tif (to < 1)\n\t\t\tv = Curve.subdivide(v, (to - from) / (1 - from))[0];\n\t\treturn flip\n\t\t\t\t? [v[6], v[7], v[4], v[5], v[2], v[3], v[0], v[1]]\n\t\t\t\t: v;\n\t},\n\n\tisFlatEnough: function(v, flatness) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7],\n\t\t\tux = 3 * x1 - 2 * x0 - x3,\n\t\t\tuy = 3 * y1 - 2 * y0 - y3,\n\t\t\tvx = 3 * x2 - 2 * x3 - x0,\n\t\t\tvy = 3 * y2 - 2 * y3 - y0;\n\t\treturn Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy)\n\t\t\t\t<= 16 * flatness * flatness;\n\t},\n\n\tgetArea: function(v) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7];\n\t\treturn 3 * ((y3 - y0) * (x1 + x2) - (x3 - x0) * (y1 + y2)\n\t\t\t\t+ y1 * (x0 - x2) - x1 * (y0 - y2)\n\t\t\t\t+ y3 * (x2 + x0 / 3) - x3 * (y2 + y0 / 3)) / 20;\n\t},\n\n\tgetBounds: function(v) {\n\t\tvar min = v.slice(0, 2),\n\t\t\tmax = min.slice(),\n\t\t\troots = [0, 0];\n\t\tfor (var i = 0; i < 2; i++)\n\t\t\tCurve._addBounds(v[i], v[i + 2], v[i + 4], v[i + 6],\n\t\t\t\t\ti, 0, min, max, roots);\n\t\treturn new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);\n\t},\n\n\t_addBounds: function(v0, v1, v2, v3, coord, padding, min, max, roots) {\n\t\tfunction add(value, padding) {\n\t\t\tvar left = value - padding,\n\t\t\t\tright = value + padding;\n\t\t\tif (left < min[coord])\n\t\t\t\tmin[coord] = left;\n\t\t\tif (right > max[coord])\n\t\t\t\tmax[coord] = right;\n\t\t}\n\n\t\tpadding /= 2;\n\t\tvar minPad = min[coord] + padding,\n\t\t\tmaxPad = max[coord] - padding;\n\t\tif (    v0 < minPad || v1 < minPad || v2 < minPad || v3 < minPad ||\n\t\t\t\tv0 > maxPad || v1 > maxPad || v2 > maxPad || v3 > maxPad) {\n\t\t\tif (v1 < v0 != v1 < v3 && v2 < v0 != v2 < v3) {\n\t\t\t\tadd(v0, 0);\n\t\t\t\tadd(v3, 0);\n\t\t\t} else {\n\t\t\t\tvar a = 3 * (v1 - v2) - v0 + v3,\n\t\t\t\t\tb = 2 * (v0 + v2) - 4 * v1,\n\t\t\t\t\tc = v1 - v0,\n\t\t\t\t\tcount = Numerical.solveQuadratic(a, b, c, roots),\n\t\t\t\t\ttMin = 1e-8,\n\t\t\t\t\ttMax = 1 - tMin;\n\t\t\t\tadd(v3, 0);\n\t\t\t\tfor (var i = 0; i < count; i++) {\n\t\t\t\t\tvar t = roots[i],\n\t\t\t\t\t\tu = 1 - t;\n\t\t\t\t\tif (tMin <= t && t <= tMax)\n\t\t\t\t\t\tadd(u * u * u * v0\n\t\t\t\t\t\t\t+ 3 * u * u * t * v1\n\t\t\t\t\t\t\t+ 3 * u * t * t * v2\n\t\t\t\t\t\t\t+ t * t * t * v3,\n\t\t\t\t\t\t\tpadding);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}}, Base.each(\n\t['getBounds', 'getStrokeBounds', 'getHandleBounds'],\n\tfunction(name) {\n\t\tthis[name] = function() {\n\t\t\tif (!this._bounds)\n\t\t\t\tthis._bounds = {};\n\t\t\tvar bounds = this._bounds[name];\n\t\t\tif (!bounds) {\n\t\t\t\tbounds = this._bounds[name] = Path[name](\n\t\t\t\t\t\t[this._segment1, this._segment2], false, this._path);\n\t\t\t}\n\t\t\treturn bounds.clone();\n\t\t};\n\t},\n{\n\n}), Base.each({\n\tisStraight: function(p1, h1, h2, p2) {\n\t\tif (h1.isZero() && h2.isZero()) {\n\t\t\treturn true;\n\t\t} else {\n\t\t\tvar v = p2.subtract(p1);\n\t\t\tif (v.isZero()) {\n\t\t\t\treturn false;\n\t\t\t} else if (v.isCollinear(h1) && v.isCollinear(h2)) {\n\t\t\t\tvar l = new Line(p1, p2),\n\t\t\t\t\tepsilon = 1e-7;\n\t\t\t\tif (l.getDistance(p1.add(h1)) < epsilon &&\n\t\t\t\t\tl.getDistance(p2.add(h2)) < epsilon) {\n\t\t\t\t\tvar div = v.dot(v),\n\t\t\t\t\t\ts1 = v.dot(h1) / div,\n\t\t\t\t\t\ts2 = v.dot(h2) / div;\n\t\t\t\t\treturn s1 >= 0 && s1 <= 1 && s2 <= 0 && s2 >= -1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn false;\n\t},\n\n\tisLinear: function(p1, h1, h2, p2) {\n\t\tvar third = p2.subtract(p1).divide(3);\n\t\treturn h1.equals(third) && h2.negate().equals(third);\n\t}\n}, function(test, name) {\n\tthis[name] = function(epsilon) {\n\t\tvar seg1 = this._segment1,\n\t\t\tseg2 = this._segment2;\n\t\treturn test(seg1._point, seg1._handleOut, seg2._handleIn, seg2._point,\n\t\t\t\tepsilon);\n\t};\n\n\tthis.statics[name] = function(v, epsilon) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx3 = v[6], y3 = v[7];\n\t\treturn test(\n\t\t\t\tnew Point(x0, y0),\n\t\t\t\tnew Point(v[2] - x0, v[3] - y0),\n\t\t\t\tnew Point(v[4] - x3, v[5] - y3),\n\t\t\t\tnew Point(x3, y3), epsilon);\n\t};\n}, {\n\tstatics: {},\n\n\thasHandles: function() {\n\t\treturn !this._segment1._handleOut.isZero()\n\t\t\t\t|| !this._segment2._handleIn.isZero();\n\t},\n\n\thasLength: function(epsilon) {\n\t\treturn (!this.getPoint1().equals(this.getPoint2()) || this.hasHandles())\n\t\t\t\t&& this.getLength() > (epsilon || 0);\n\t},\n\n\tisCollinear: function(curve) {\n\t\treturn curve && this.isStraight() && curve.isStraight()\n\t\t\t\t&& this.getLine().isCollinear(curve.getLine());\n\t},\n\n\tisHorizontal: function() {\n\t\treturn this.isStraight() && Math.abs(this.getTangentAtTime(0.5).y)\n\t\t\t\t< 1e-8;\n\t},\n\n\tisVertical: function() {\n\t\treturn this.isStraight() && Math.abs(this.getTangentAtTime(0.5).x)\n\t\t\t\t< 1e-8;\n\t}\n}), {\n\tbeans: false,\n\n\tgetLocationAt: function(offset, _isTime) {\n\t\treturn this.getLocationAtTime(\n\t\t\t\t_isTime ? offset : this.getTimeAt(offset));\n\t},\n\n\tgetLocationAtTime: function(t) {\n\t\treturn t != null && t >= 0 && t <= 1\n\t\t\t\t? new CurveLocation(this, t)\n\t\t\t\t: null;\n\t},\n\n\tgetTimeAt: function(offset, start) {\n\t\treturn Curve.getTimeAt(this.getValues(), offset, start);\n\t},\n\n\tgetParameterAt: '#getTimeAt',\n\n\tgetTimesWithTangent: function () {\n\t\tvar tangent = Point.read(arguments);\n\t\treturn tangent.isZero()\n\t\t\t\t? []\n\t\t\t\t: Curve.getTimesWithTangent(this.getValues(), tangent);\n\t},\n\n\tgetOffsetAtTime: function(t) {\n\t\treturn this.getPartLength(0, t);\n\t},\n\n\tgetLocationOf: function() {\n\t\treturn this.getLocationAtTime(this.getTimeOf(Point.read(arguments)));\n\t},\n\n\tgetOffsetOf: function() {\n\t\tvar loc = this.getLocationOf.apply(this, arguments);\n\t\treturn loc ? loc.getOffset() : null;\n\t},\n\n\tgetTimeOf: function() {\n\t\treturn Curve.getTimeOf(this.getValues(), Point.read(arguments));\n\t},\n\n\tgetParameterOf: '#getTimeOf',\n\n\tgetNearestLocation: function() {\n\t\tvar point = Point.read(arguments),\n\t\t\tvalues = this.getValues(),\n\t\t\tt = Curve.getNearestTime(values, point),\n\t\t\tpt = Curve.getPoint(values, t);\n\t\treturn new CurveLocation(this, t, pt, null, point.getDistance(pt));\n\t},\n\n\tgetNearestPoint: function() {\n\t\tvar loc = this.getNearestLocation.apply(this, arguments);\n\t\treturn loc ? loc.getPoint() : loc;\n\t}\n\n},\nnew function() {\n\tvar methods = ['getPoint', 'getTangent', 'getNormal', 'getWeightedTangent',\n\t\t'getWeightedNormal', 'getCurvature'];\n\treturn Base.each(methods,\n\t\tfunction(name) {\n\t\t\tthis[name + 'At'] = function(location, _isTime) {\n\t\t\t\tvar values = this.getValues();\n\t\t\t\treturn Curve[name](values, _isTime ? location\n\t\t\t\t\t\t: Curve.getTimeAt(values, location));\n\t\t\t};\n\n\t\t\tthis[name + 'AtTime'] = function(time) {\n\t\t\t\treturn Curve[name](this.getValues(), time);\n\t\t\t};\n\t\t}, {\n\t\t\tstatics: {\n\t\t\t\t_evaluateMethods: methods\n\t\t\t}\n\t\t}\n\t);\n},\nnew function() {\n\n\tfunction getLengthIntegrand(v) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7],\n\n\t\t\tax = 9 * (x1 - x2) + 3 * (x3 - x0),\n\t\t\tbx = 6 * (x0 + x2) - 12 * x1,\n\t\t\tcx = 3 * (x1 - x0),\n\n\t\t\tay = 9 * (y1 - y2) + 3 * (y3 - y0),\n\t\t\tby = 6 * (y0 + y2) - 12 * y1,\n\t\t\tcy = 3 * (y1 - y0);\n\n\t\treturn function(t) {\n\t\t\tvar dx = (ax * t + bx) * t + cx,\n\t\t\t\tdy = (ay * t + by) * t + cy;\n\t\t\treturn Math.sqrt(dx * dx + dy * dy);\n\t\t};\n\t}\n\n\tfunction getIterations(a, b) {\n\t\treturn Math.max(2, Math.min(16, Math.ceil(Math.abs(b - a) * 32)));\n\t}\n\n\tfunction evaluate(v, t, type, normalized) {\n\t\tif (t == null || t < 0 || t > 1)\n\t\t\treturn null;\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7],\n\t\t\tisZero = Numerical.isZero;\n\t\tif (isZero(x1 - x0) && isZero(y1 - y0)) {\n\t\t\tx1 = x0;\n\t\t\ty1 = y0;\n\t\t}\n\t\tif (isZero(x2 - x3) && isZero(y2 - y3)) {\n\t\t\tx2 = x3;\n\t\t\ty2 = y3;\n\t\t}\n\t\tvar cx = 3 * (x1 - x0),\n\t\t\tbx = 3 * (x2 - x1) - cx,\n\t\t\tax = x3 - x0 - cx - bx,\n\t\t\tcy = 3 * (y1 - y0),\n\t\t\tby = 3 * (y2 - y1) - cy,\n\t\t\tay = y3 - y0 - cy - by,\n\t\t\tx, y;\n\t\tif (type === 0) {\n\t\t\tx = t === 0 ? x0 : t === 1 ? x3\n\t\t\t\t\t: ((ax * t + bx) * t + cx) * t + x0;\n\t\t\ty = t === 0 ? y0 : t === 1 ? y3\n\t\t\t\t\t: ((ay * t + by) * t + cy) * t + y0;\n\t\t} else {\n\t\t\tvar tMin = 1e-8,\n\t\t\t\ttMax = 1 - tMin;\n\t\t\tif (t < tMin) {\n\t\t\t\tx = cx;\n\t\t\t\ty = cy;\n\t\t\t} else if (t > tMax) {\n\t\t\t\tx = 3 * (x3 - x2);\n\t\t\t\ty = 3 * (y3 - y2);\n\t\t\t} else {\n\t\t\t\tx = (3 * ax * t + 2 * bx) * t + cx;\n\t\t\t\ty = (3 * ay * t + 2 * by) * t + cy;\n\t\t\t}\n\t\t\tif (normalized) {\n\t\t\t\tif (x === 0 && y === 0 && (t < tMin || t > tMax)) {\n\t\t\t\t\tx = x2 - x1;\n\t\t\t\t\ty = y2 - y1;\n\t\t\t\t}\n\t\t\t\tvar len = Math.sqrt(x * x + y * y);\n\t\t\t\tif (len) {\n\t\t\t\t\tx /= len;\n\t\t\t\t\ty /= len;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (type === 3) {\n\t\t\t\tvar x2 = 6 * ax * t + 2 * bx,\n\t\t\t\t\ty2 = 6 * ay * t + 2 * by,\n\t\t\t\t\td = Math.pow(x * x + y * y, 3 / 2);\n\t\t\t\tx = d !== 0 ? (x * y2 - y * x2) / d : 0;\n\t\t\t\ty = 0;\n\t\t\t}\n\t\t}\n\t\treturn type === 2 ? new Point(y, -x) : new Point(x, y);\n\t}\n\n\treturn { statics: {\n\n\t\tclassify: function(v) {\n\n\t\t\tvar x0 = v[0], y0 = v[1],\n\t\t\t\tx1 = v[2], y1 = v[3],\n\t\t\t\tx2 = v[4], y2 = v[5],\n\t\t\t\tx3 = v[6], y3 = v[7],\n\t\t\t\ta1 = x0 * (y3 - y2) + y0 * (x2 - x3) + x3 * y2 - y3 * x2,\n\t\t\t\ta2 = x1 * (y0 - y3) + y1 * (x3 - x0) + x0 * y3 - y0 * x3,\n\t\t\t\ta3 = x2 * (y1 - y0) + y2 * (x0 - x1) + x1 * y0 - y1 * x0,\n\t\t\t\td3 = 3 * a3,\n\t\t\t\td2 = d3 - a2,\n\t\t\t\td1 = d2 - a2 + a1,\n\t\t\t\tl = Math.sqrt(d1 * d1 + d2 * d2 + d3 * d3),\n\t\t\t\ts = l !== 0 ? 1 / l : 0,\n\t\t\t\tisZero = Numerical.isZero,\n\t\t\t\tserpentine = 'serpentine';\n\t\t\td1 *= s;\n\t\t\td2 *= s;\n\t\t\td3 *= s;\n\n\t\t\tfunction type(type, t1, t2) {\n\t\t\t\tvar hasRoots = t1 !== undefined,\n\t\t\t\t\tt1Ok = hasRoots && t1 > 0 && t1 < 1,\n\t\t\t\t\tt2Ok = hasRoots && t2 > 0 && t2 < 1;\n\t\t\t\tif (hasRoots && (!(t1Ok || t2Ok)\n\t\t\t\t\t\t|| type === 'loop' && !(t1Ok && t2Ok))) {\n\t\t\t\t\ttype = 'arch';\n\t\t\t\t\tt1Ok = t2Ok = false;\n\t\t\t\t}\n\t\t\t\treturn {\n\t\t\t\t\ttype: type,\n\t\t\t\t\troots: t1Ok || t2Ok\n\t\t\t\t\t\t\t? t1Ok && t2Ok\n\t\t\t\t\t\t\t\t? t1 < t2 ? [t1, t2] : [t2, t1]\n\t\t\t\t\t\t\t\t: [t1Ok ? t1 : t2]\n\t\t\t\t\t\t\t: null\n\t\t\t\t};\n\t\t\t}\n\n\t\t\tif (isZero(d1)) {\n\t\t\t\treturn isZero(d2)\n\t\t\t\t\t\t? type(isZero(d3) ? 'line' : 'quadratic')\n\t\t\t\t\t\t: type(serpentine, d3 / (3 * d2));\n\t\t\t}\n\t\t\tvar d = 3 * d2 * d2 - 4 * d1 * d3;\n\t\t\tif (isZero(d)) {\n\t\t\t\treturn type('cusp', d2 / (2 * d1));\n\t\t\t}\n\t\t\tvar f1 = d > 0 ? Math.sqrt(d / 3) : Math.sqrt(-d),\n\t\t\t\tf2 = 2 * d1;\n\t\t\treturn type(d > 0 ? serpentine : 'loop',\n\t\t\t\t\t(d2 + f1) / f2,\n\t\t\t\t\t(d2 - f1) / f2);\n\t\t},\n\n\t\tgetLength: function(v, a, b, ds) {\n\t\t\tif (a === undefined)\n\t\t\t\ta = 0;\n\t\t\tif (b === undefined)\n\t\t\t\tb = 1;\n\t\t\tif (Curve.isStraight(v)) {\n\t\t\t\tvar c = v;\n\t\t\t\tif (b < 1) {\n\t\t\t\t\tc = Curve.subdivide(c, b)[0];\n\t\t\t\t\ta /= b;\n\t\t\t\t}\n\t\t\t\tif (a > 0) {\n\t\t\t\t\tc = Curve.subdivide(c, a)[1];\n\t\t\t\t}\n\t\t\t\tvar dx = c[6] - c[0],\n\t\t\t\t\tdy = c[7] - c[1];\n\t\t\t\treturn Math.sqrt(dx * dx + dy * dy);\n\t\t\t}\n\t\t\treturn Numerical.integrate(ds || getLengthIntegrand(v), a, b,\n\t\t\t\t\tgetIterations(a, b));\n\t\t},\n\n\t\tgetTimeAt: function(v, offset, start) {\n\t\t\tif (start === undefined)\n\t\t\t\tstart = offset < 0 ? 1 : 0;\n\t\t\tif (offset === 0)\n\t\t\t\treturn start;\n\t\t\tvar abs = Math.abs,\n\t\t\t\tepsilon = 1e-12,\n\t\t\t\tforward = offset > 0,\n\t\t\t\ta = forward ? start : 0,\n\t\t\t\tb = forward ? 1 : start,\n\t\t\t\tds = getLengthIntegrand(v),\n\t\t\t\trangeLength = Curve.getLength(v, a, b, ds),\n\t\t\t\tdiff = abs(offset) - rangeLength;\n\t\t\tif (abs(diff) < epsilon) {\n\t\t\t\treturn forward ? b : a;\n\t\t\t} else if (diff > epsilon) {\n\t\t\t\treturn null;\n\t\t\t}\n\t\t\tvar guess = offset / rangeLength,\n\t\t\t\tlength = 0;\n\t\t\tfunction f(t) {\n\t\t\t\tlength += Numerical.integrate(ds, start, t,\n\t\t\t\t\t\tgetIterations(start, t));\n\t\t\t\tstart = t;\n\t\t\t\treturn length - offset;\n\t\t\t}\n\t\t\treturn Numerical.findRoot(f, ds, start + guess, a, b, 32,\n\t\t\t\t\t1e-12);\n\t\t},\n\n\t\tgetPoint: function(v, t) {\n\t\t\treturn evaluate(v, t, 0, false);\n\t\t},\n\n\t\tgetTangent: function(v, t) {\n\t\t\treturn evaluate(v, t, 1, true);\n\t\t},\n\n\t\tgetWeightedTangent: function(v, t) {\n\t\t\treturn evaluate(v, t, 1, false);\n\t\t},\n\n\t\tgetNormal: function(v, t) {\n\t\t\treturn evaluate(v, t, 2, true);\n\t\t},\n\n\t\tgetWeightedNormal: function(v, t) {\n\t\t\treturn evaluate(v, t, 2, false);\n\t\t},\n\n\t\tgetCurvature: function(v, t) {\n\t\t\treturn evaluate(v, t, 3, false).x;\n\t\t},\n\n\t\tgetPeaks: function(v) {\n\t\t\tvar x0 = v[0], y0 = v[1],\n\t\t\t\tx1 = v[2], y1 = v[3],\n\t\t\t\tx2 = v[4], y2 = v[5],\n\t\t\t\tx3 = v[6], y3 = v[7],\n\t\t\t\tax =     -x0 + 3 * x1 - 3 * x2 + x3,\n\t\t\t\tbx =  3 * x0 - 6 * x1 + 3 * x2,\n\t\t\t\tcx = -3 * x0 + 3 * x1,\n\t\t\t\tay =     -y0 + 3 * y1 - 3 * y2 + y3,\n\t\t\t\tby =  3 * y0 - 6 * y1 + 3 * y2,\n\t\t\t\tcy = -3 * y0 + 3 * y1,\n\t\t\t\ttMin = 1e-8,\n\t\t\t\ttMax = 1 - tMin,\n\t\t\t\troots = [];\n\t\t\tNumerical.solveCubic(\n\t\t\t\t\t9 * (ax * ax + ay * ay),\n\t\t\t\t\t9 * (ax * bx + by * ay),\n\t\t\t\t\t2 * (bx * bx + by * by) + 3 * (cx * ax + cy * ay),\n\t\t\t\t\t(cx * bx + by * cy),\n\t\t\t\t\troots, tMin, tMax);\n\t\t\treturn roots.sort();\n\t\t}\n\t}};\n},\nnew function() {\n\n\tfunction addLocation(locations, include, c1, t1, c2, t2, overlap) {\n\t\tvar excludeStart = !overlap && c1.getPrevious() === c2,\n\t\t\texcludeEnd = !overlap && c1 !== c2 && c1.getNext() === c2,\n\t\t\ttMin = 1e-8,\n\t\t\ttMax = 1 - tMin;\n\t\tif (t1 !== null && t1 >= (excludeStart ? tMin : 0) &&\n\t\t\tt1 <= (excludeEnd ? tMax : 1)) {\n\t\t\tif (t2 !== null && t2 >= (excludeEnd ? tMin : 0) &&\n\t\t\t\tt2 <= (excludeStart ? tMax : 1)) {\n\t\t\t\tvar loc1 = new CurveLocation(c1, t1, null, overlap),\n\t\t\t\t\tloc2 = new CurveLocation(c2, t2, null, overlap);\n\t\t\t\tloc1._intersection = loc2;\n\t\t\t\tloc2._intersection = loc1;\n\t\t\t\tif (!include || include(loc1)) {\n\t\t\t\t\tCurveLocation.insert(locations, loc1, true);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction addCurveIntersections(v1, v2, c1, c2, locations, include, flip,\n\t\t\trecursion, calls, tMin, tMax, uMin, uMax) {\n\t\tif (++calls >= 4096 || ++recursion >= 40)\n\t\t\treturn calls;\n\t\tvar fatLineEpsilon = 1e-9,\n\t\t\tq0x = v2[0], q0y = v2[1], q3x = v2[6], q3y = v2[7],\n\t\t\tgetSignedDistance = Line.getSignedDistance,\n\t\t\td1 = getSignedDistance(q0x, q0y, q3x, q3y, v2[2], v2[3]),\n\t\t\td2 = getSignedDistance(q0x, q0y, q3x, q3y, v2[4], v2[5]),\n\t\t\tfactor = d1 * d2 > 0 ? 3 / 4 : 4 / 9,\n\t\t\tdMin = factor * Math.min(0, d1, d2),\n\t\t\tdMax = factor * Math.max(0, d1, d2),\n\t\t\tdp0 = getSignedDistance(q0x, q0y, q3x, q3y, v1[0], v1[1]),\n\t\t\tdp1 = getSignedDistance(q0x, q0y, q3x, q3y, v1[2], v1[3]),\n\t\t\tdp2 = getSignedDistance(q0x, q0y, q3x, q3y, v1[4], v1[5]),\n\t\t\tdp3 = getSignedDistance(q0x, q0y, q3x, q3y, v1[6], v1[7]),\n\t\t\thull = getConvexHull(dp0, dp1, dp2, dp3),\n\t\t\ttop = hull[0],\n\t\t\tbottom = hull[1],\n\t\t\ttMinClip,\n\t\t\ttMaxClip;\n\t\tif (d1 === 0 && d2 === 0\n\t\t\t\t&& dp0 === 0 && dp1 === 0 && dp2 === 0 && dp3 === 0\n\t\t\t|| (tMinClip = clipConvexHull(top, bottom, dMin, dMax)) == null\n\t\t\t|| (tMaxClip = clipConvexHull(top.reverse(), bottom.reverse(),\n\t\t\t\tdMin, dMax)) == null)\n\t\t\treturn calls;\n\t\tvar tMinNew = tMin + (tMax - tMin) * tMinClip,\n\t\t\ttMaxNew = tMin + (tMax - tMin) * tMaxClip;\n\t\tif (Math.max(uMax - uMin, tMaxNew - tMinNew) < fatLineEpsilon) {\n\t\t\tvar t = (tMinNew + tMaxNew) / 2,\n\t\t\t\tu = (uMin + uMax) / 2;\n\t\t\taddLocation(locations, include,\n\t\t\t\t\tflip ? c2 : c1, flip ? u : t,\n\t\t\t\t\tflip ? c1 : c2, flip ? t : u);\n\t\t} else {\n\t\t\tv1 = Curve.getPart(v1, tMinClip, tMaxClip);\n\t\t\tvar uDiff = uMax - uMin;\n\t\t\tif (tMaxClip - tMinClip > 0.8) {\n\t\t\t\tif (tMaxNew - tMinNew > uDiff) {\n\t\t\t\t\tvar parts = Curve.subdivide(v1, 0.5),\n\t\t\t\t\t\tt = (tMinNew + tMaxNew) / 2;\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tv2, parts[0], c2, c1, locations, include, !flip,\n\t\t\t\t\t\t\trecursion, calls, uMin, uMax, tMinNew, t);\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tv2, parts[1], c2, c1, locations, include, !flip,\n\t\t\t\t\t\t\trecursion, calls, uMin, uMax, t, tMaxNew);\n\t\t\t\t} else {\n\t\t\t\t\tvar parts = Curve.subdivide(v2, 0.5),\n\t\t\t\t\t\tu = (uMin + uMax) / 2;\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tparts[0], v1, c2, c1, locations, include, !flip,\n\t\t\t\t\t\t\trecursion, calls, uMin, u, tMinNew, tMaxNew);\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tparts[1], v1, c2, c1, locations, include, !flip,\n\t\t\t\t\t\t\trecursion, calls, u, uMax, tMinNew, tMaxNew);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (uDiff === 0 || uDiff >= fatLineEpsilon) {\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tv2, v1, c2, c1, locations, include, !flip,\n\t\t\t\t\t\t\trecursion, calls, uMin, uMax, tMinNew, tMaxNew);\n\t\t\t\t} else {\n\t\t\t\t\tcalls = addCurveIntersections(\n\t\t\t\t\t\t\tv1, v2, c1, c2, locations, include, flip,\n\t\t\t\t\t\t\trecursion, calls, tMinNew, tMaxNew, uMin, uMax);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn calls;\n\t}\n\n\tfunction getConvexHull(dq0, dq1, dq2, dq3) {\n\t\tvar p0 = [ 0, dq0 ],\n\t\t\tp1 = [ 1 / 3, dq1 ],\n\t\t\tp2 = [ 2 / 3, dq2 ],\n\t\t\tp3 = [ 1, dq3 ],\n\t\t\tdist1 = dq1 - (2 * dq0 + dq3) / 3,\n\t\t\tdist2 = dq2 - (dq0 + 2 * dq3) / 3,\n\t\t\thull;\n\t\tif (dist1 * dist2 < 0) {\n\t\t\thull = [[p0, p1, p3], [p0, p2, p3]];\n\t\t} else {\n\t\t\tvar distRatio = dist1 / dist2;\n\t\t\thull = [\n\t\t\t\tdistRatio >= 2 ? [p0, p1, p3]\n\t\t\t\t: distRatio <= 0.5 ? [p0, p2, p3]\n\t\t\t\t: [p0, p1, p2, p3],\n\t\t\t\t[p0, p3]\n\t\t\t];\n\t\t}\n\t\treturn (dist1 || dist2) < 0 ? hull.reverse() : hull;\n\t}\n\n\tfunction clipConvexHull(hullTop, hullBottom, dMin, dMax) {\n\t\tif (hullTop[0][1] < dMin) {\n\t\t\treturn clipConvexHullPart(hullTop, true, dMin);\n\t\t} else if (hullBottom[0][1] > dMax) {\n\t\t\treturn clipConvexHullPart(hullBottom, false, dMax);\n\t\t} else {\n\t\t\treturn hullTop[0][0];\n\t\t}\n\t}\n\n\tfunction clipConvexHullPart(part, top, threshold) {\n\t\tvar px = part[0][0],\n\t\t\tpy = part[0][1];\n\t\tfor (var i = 1, l = part.length; i < l; i++) {\n\t\t\tvar qx = part[i][0],\n\t\t\t\tqy = part[i][1];\n\t\t\tif (top ? qy >= threshold : qy <= threshold) {\n\t\t\t\treturn qy === threshold ? qx\n\t\t\t\t\t\t: px + (threshold - py) * (qx - px) / (qy - py);\n\t\t\t}\n\t\t\tpx = qx;\n\t\t\tpy = qy;\n\t\t}\n\t\treturn null;\n\t}\n\n\tfunction getCurveLineIntersections(v, px, py, vx, vy) {\n\t\tvar isZero = Numerical.isZero;\n\t\tif (isZero(vx) && isZero(vy)) {\n\t\t\tvar t = Curve.getTimeOf(v, new Point(px, py));\n\t\t\treturn t === null ? [] : [t];\n\t\t}\n\t\tvar angle = Math.atan2(-vy, vx),\n\t\t\tsin = Math.sin(angle),\n\t\t\tcos = Math.cos(angle),\n\t\t\trv = [],\n\t\t\troots = [];\n\t\tfor (var i = 0; i < 8; i += 2) {\n\t\t\tvar x = v[i] - px,\n\t\t\t\ty = v[i + 1] - py;\n\t\t\trv.push(\n\t\t\t\tx * cos - y * sin,\n\t\t\t\tx * sin + y * cos);\n\t\t}\n\t\tCurve.solveCubic(rv, 1, 0, roots, 0, 1);\n\t\treturn roots;\n\t}\n\n\tfunction addCurveLineIntersections(v1, v2, c1, c2, locations, include,\n\t\t\tflip) {\n\t\tvar x1 = v2[0], y1 = v2[1],\n\t\t\tx2 = v2[6], y2 = v2[7],\n\t\t\troots = getCurveLineIntersections(v1, x1, y1, x2 - x1, y2 - y1);\n\t\tfor (var i = 0, l = roots.length; i < l; i++) {\n\t\t\tvar t1 = roots[i],\n\t\t\t\tp1 = Curve.getPoint(v1, t1),\n\t\t\t\tt2 = Curve.getTimeOf(v2, p1);\n\t\t\tif (t2 !== null) {\n\t\t\t\taddLocation(locations, include,\n\t\t\t\t\t\tflip ? c2 : c1, flip ? t2 : t1,\n\t\t\t\t\t\tflip ? c1 : c2, flip ? t1 : t2);\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction addLineIntersection(v1, v2, c1, c2, locations, include) {\n\t\tvar pt = Line.intersect(\n\t\t\t\tv1[0], v1[1], v1[6], v1[7],\n\t\t\t\tv2[0], v2[1], v2[6], v2[7]);\n\t\tif (pt) {\n\t\t\taddLocation(locations, include,\n\t\t\t\t\tc1, Curve.getTimeOf(v1, pt),\n\t\t\t\t\tc2, Curve.getTimeOf(v2, pt));\n\t\t}\n\t}\n\n\tfunction getCurveIntersections(v1, v2, c1, c2, locations, include) {\n\t\tvar epsilon = 1e-12,\n\t\t\tmin = Math.min,\n\t\t\tmax = Math.max;\n\n\t\tif (max(v1[0], v1[2], v1[4], v1[6]) + epsilon >\n\t\t\tmin(v2[0], v2[2], v2[4], v2[6]) &&\n\t\t\tmin(v1[0], v1[2], v1[4], v1[6]) - epsilon <\n\t\t\tmax(v2[0], v2[2], v2[4], v2[6]) &&\n\t\t\tmax(v1[1], v1[3], v1[5], v1[7]) + epsilon >\n\t\t\tmin(v2[1], v2[3], v2[5], v2[7]) &&\n\t\t\tmin(v1[1], v1[3], v1[5], v1[7]) - epsilon <\n\t\t\tmax(v2[1], v2[3], v2[5], v2[7])) {\n\t\t\tvar overlaps = getOverlaps(v1, v2);\n\t\t\tif (overlaps) {\n\t\t\t\tfor (var i = 0; i < 2; i++) {\n\t\t\t\t\tvar overlap = overlaps[i];\n\t\t\t\t\taddLocation(locations, include,\n\t\t\t\t\t\t\tc1, overlap[0],\n\t\t\t\t\t\t\tc2, overlap[1], true);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tvar straight1 = Curve.isStraight(v1),\n\t\t\t\t\tstraight2 = Curve.isStraight(v2),\n\t\t\t\t\tstraight = straight1 && straight2,\n\t\t\t\t\tflip = straight1 && !straight2,\n\t\t\t\t\tbefore = locations.length;\n\t\t\t\t(straight\n\t\t\t\t\t? addLineIntersection\n\t\t\t\t\t: straight1 || straight2\n\t\t\t\t\t\t? addCurveLineIntersections\n\t\t\t\t\t\t: addCurveIntersections)(\n\t\t\t\t\t\t\tflip ? v2 : v1, flip ? v1 : v2,\n\t\t\t\t\t\t\tflip ? c2 : c1, flip ? c1 : c2,\n\t\t\t\t\t\t\tlocations, include, flip,\n\t\t\t\t\t\t\t0, 0, 0, 1, 0, 1);\n\t\t\t\tif (!straight || locations.length === before) {\n\t\t\t\t\tfor (var i = 0; i < 4; i++) {\n\t\t\t\t\t\tvar t1 = i >> 1,\n\t\t\t\t\t\t\tt2 = i & 1,\n\t\t\t\t\t\t\ti1 = t1 * 6,\n\t\t\t\t\t\t\ti2 = t2 * 6,\n\t\t\t\t\t\t\tp1 = new Point(v1[i1], v1[i1 + 1]),\n\t\t\t\t\t\t\tp2 = new Point(v2[i2], v2[i2 + 1]);\n\t\t\t\t\t\tif (p1.isClose(p2, epsilon)) {\n\t\t\t\t\t\t\taddLocation(locations, include,\n\t\t\t\t\t\t\t\t\tc1, t1,\n\t\t\t\t\t\t\t\t\tc2, t2);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn locations;\n\t}\n\n\tfunction getSelfIntersection(v1, c1, locations, include) {\n\t\tvar info = Curve.classify(v1);\n\t\tif (info.type === 'loop') {\n\t\t\tvar roots = info.roots;\n\t\t\taddLocation(locations, include,\n\t\t\t\t\tc1, roots[0],\n\t\t\t\t\tc1, roots[1]);\n\t\t}\n\t  return locations;\n\t}\n\n\tfunction getIntersections(curves1, curves2, include, matrix1, matrix2,\n\t\t\t_returnFirst) {\n\t\tvar epsilon = 1e-7,\n\t\t\tself = !curves2;\n\t\tif (self)\n\t\t\tcurves2 = curves1;\n\t\tvar length1 = curves1.length,\n\t\t\tlength2 = curves2.length,\n\t\t\tvalues1 = new Array(length1),\n\t\t\tvalues2 = self ? values1 : new Array(length2),\n\t\t\tlocations = [];\n\n\t\tfor (var i = 0; i < length1; i++) {\n\t\t\tvalues1[i] = curves1[i].getValues(matrix1);\n\t\t}\n\t\tif (!self) {\n\t\t\tfor (var i = 0; i < length2; i++) {\n\t\t\t\tvalues2[i] = curves2[i].getValues(matrix2);\n\t\t\t}\n\t\t}\n\t\tvar boundsCollisions = CollisionDetection.findCurveBoundsCollisions(\n\t\t\t\tvalues1, values2, epsilon);\n\t\tfor (var index1 = 0; index1 < length1; index1++) {\n\t\t\tvar curve1 = curves1[index1],\n\t\t\t\tv1 = values1[index1];\n\t\t\tif (self) {\n\t\t\t\tgetSelfIntersection(v1, curve1, locations, include);\n\t\t\t}\n\t\t\tvar collisions1 = boundsCollisions[index1];\n\t\t\tif (collisions1) {\n\t\t\t\tfor (var j = 0; j < collisions1.length; j++) {\n\t\t\t\t\tif (_returnFirst && locations.length)\n\t\t\t\t\t\treturn locations;\n\t\t\t\t\tvar index2 = collisions1[j];\n\t\t\t\t\tif (!self || index2 > index1) {\n\t\t\t\t\t\tvar curve2 = curves2[index2],\n\t\t\t\t\t\t\tv2 = values2[index2];\n\t\t\t\t\t\tgetCurveIntersections(\n\t\t\t\t\t\t\t\tv1, v2, curve1, curve2, locations, include);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn locations;\n\t}\n\n\tfunction getOverlaps(v1, v2) {\n\n\t\tfunction getSquaredLineLength(v) {\n\t\t\tvar x = v[6] - v[0],\n\t\t\t\ty = v[7] - v[1];\n\t\t\treturn x * x + y * y;\n\t\t}\n\n\t\tvar abs = Math.abs,\n\t\t\tgetDistance = Line.getDistance,\n\t\t\ttimeEpsilon = 1e-8,\n\t\t\tgeomEpsilon = 1e-7,\n\t\t\tstraight1 = Curve.isStraight(v1),\n\t\t\tstraight2 = Curve.isStraight(v2),\n\t\t\tstraightBoth = straight1 && straight2,\n\t\t\tflip = getSquaredLineLength(v1) < getSquaredLineLength(v2),\n\t\t\tl1 = flip ? v2 : v1,\n\t\t\tl2 = flip ? v1 : v2,\n\t\t\tpx = l1[0], py = l1[1],\n\t\t\tvx = l1[6] - px, vy = l1[7] - py;\n\t\tif (getDistance(px, py, vx, vy, l2[0], l2[1], true) < geomEpsilon &&\n\t\t\tgetDistance(px, py, vx, vy, l2[6], l2[7], true) < geomEpsilon) {\n\t\t\tif (!straightBoth &&\n\t\t\t\tgetDistance(px, py, vx, vy, l1[2], l1[3], true) < geomEpsilon &&\n\t\t\t\tgetDistance(px, py, vx, vy, l1[4], l1[5], true) < geomEpsilon &&\n\t\t\t\tgetDistance(px, py, vx, vy, l2[2], l2[3], true) < geomEpsilon &&\n\t\t\t\tgetDistance(px, py, vx, vy, l2[4], l2[5], true) < geomEpsilon) {\n\t\t\t\tstraight1 = straight2 = straightBoth = true;\n\t\t\t}\n\t\t} else if (straightBoth) {\n\t\t\treturn null;\n\t\t}\n\t\tif (straight1 ^ straight2) {\n\t\t\treturn null;\n\t\t}\n\n\t\tvar v = [v1, v2],\n\t\t\tpairs = [];\n\t\tfor (var i = 0; i < 4 && pairs.length < 2; i++) {\n\t\t\tvar i1 = i & 1,\n\t\t\t\ti2 = i1 ^ 1,\n\t\t\t\tt1 = i >> 1,\n\t\t\t\tt2 = Curve.getTimeOf(v[i1], new Point(\n\t\t\t\t\tv[i2][t1 ? 6 : 0],\n\t\t\t\t\tv[i2][t1 ? 7 : 1]));\n\t\t\tif (t2 != null) {\n\t\t\t\tvar pair = i1 ? [t1, t2] : [t2, t1];\n\t\t\t\tif (!pairs.length ||\n\t\t\t\t\tabs(pair[0] - pairs[0][0]) > timeEpsilon &&\n\t\t\t\t\tabs(pair[1] - pairs[0][1]) > timeEpsilon) {\n\t\t\t\t\tpairs.push(pair);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (i > 2 && !pairs.length)\n\t\t\t\tbreak;\n\t\t}\n\t\tif (pairs.length !== 2) {\n\t\t\tpairs = null;\n\t\t} else if (!straightBoth) {\n\t\t\tvar o1 = Curve.getPart(v1, pairs[0][0], pairs[1][0]),\n\t\t\t\to2 = Curve.getPart(v2, pairs[0][1], pairs[1][1]);\n\t\t\tif (abs(o2[2] - o1[2]) > geomEpsilon ||\n\t\t\t\tabs(o2[3] - o1[3]) > geomEpsilon ||\n\t\t\t\tabs(o2[4] - o1[4]) > geomEpsilon ||\n\t\t\t\tabs(o2[5] - o1[5]) > geomEpsilon)\n\t\t\t\tpairs = null;\n\t\t}\n\t\treturn pairs;\n\t}\n\n\tfunction getTimesWithTangent(v, tangent) {\n\t\tvar x0 = v[0], y0 = v[1],\n\t\t\tx1 = v[2], y1 = v[3],\n\t\t\tx2 = v[4], y2 = v[5],\n\t\t\tx3 = v[6], y3 = v[7],\n\t\t\tnormalized = tangent.normalize(),\n\t\t\ttx = normalized.x,\n\t\t\tty = normalized.y,\n\t\t\tax = 3 * x3 - 9 * x2 + 9 * x1 - 3 * x0,\n\t\t\tay = 3 * y3 - 9 * y2 + 9 * y1 - 3 * y0,\n\t\t\tbx = 6 * x2 - 12 * x1 + 6 * x0,\n\t\t\tby = 6 * y2 - 12 * y1 + 6 * y0,\n\t\t\tcx = 3 * x1 - 3 * x0,\n\t\t\tcy = 3 * y1 - 3 * y0,\n\t\t\tden = 2 * ax * ty - 2 * ay * tx,\n\t\t\ttimes = [];\n\t\tif (Math.abs(den) < Numerical.CURVETIME_EPSILON) {\n\t\t\tvar num = ax * cy - ay * cx,\n\t\t\t\tden = ax * by - ay * bx;\n\t\t\tif (den != 0) {\n\t\t\t\tvar t = -num / den;\n\t\t\t\tif (t >= 0 && t <= 1) times.push(t);\n\t\t\t}\n\t\t} else {\n\t\t\tvar delta = (bx * bx - 4 * ax * cx) * ty * ty +\n\t\t\t\t(-2 * bx * by + 4 * ay * cx + 4 * ax * cy) * tx * ty +\n\t\t\t\t(by * by - 4 * ay * cy) * tx * tx,\n\t\t\t\tk = bx * ty - by * tx;\n\t\t\tif (delta >= 0 && den != 0) {\n\t\t\t\tvar d = Math.sqrt(delta),\n\t\t\t\t\tt0 = -(k + d) / den,\n\t\t\t\t\tt1 = (-k + d) / den;\n\t\t\t\tif (t0 >= 0 && t0 <= 1) times.push(t0);\n\t\t\t\tif (t1 >= 0 && t1 <= 1) times.push(t1);\n\t\t\t}\n\t\t}\n\t\treturn times;\n\t}\n\n\treturn {\n\t\tgetIntersections: function(curve) {\n\t\t\tvar v1 = this.getValues(),\n\t\t\t\tv2 = curve && curve !== this && curve.getValues();\n\t\t\treturn v2 ? getCurveIntersections(v1, v2, this, curve, [])\n\t\t\t\t\t  : getSelfIntersection(v1, this, []);\n\t\t},\n\n\t\tstatics: {\n\t\t\tgetOverlaps: getOverlaps,\n\t\t\tgetIntersections: getIntersections,\n\t\t\tgetCurveLineIntersections: getCurveLineIntersections,\n\t\t\tgetTimesWithTangent: getTimesWithTangent\n\t\t}\n\t};\n});\n\nvar CurveLocation = Base.extend({\n\t_class: 'CurveLocation',\n\n\tinitialize: function CurveLocation(curve, time, point, _overlap, _distance) {\n\t\tif (time >= 0.99999999) {\n\t\t\tvar next = curve.getNext();\n\t\t\tif (next) {\n\t\t\t\ttime = 0;\n\t\t\t\tcurve = next;\n\t\t\t}\n\t\t}\n\t\tthis._setCurve(curve);\n\t\tthis._time = time;\n\t\tthis._point = point || curve.getPointAtTime(time);\n\t\tthis._overlap = _overlap;\n\t\tthis._distance = _distance;\n\t\tthis._intersection = this._next = this._previous = null;\n\t},\n\n\t_setPath: function(path) {\n\t\tthis._path = path;\n\t\tthis._version = path ? path._version : 0;\n\t},\n\n\t_setCurve: function(curve) {\n\t\tthis._setPath(curve._path);\n\t\tthis._curve = curve;\n\t\tthis._segment = null;\n\t\tthis._segment1 = curve._segment1;\n\t\tthis._segment2 = curve._segment2;\n\t},\n\n\t_setSegment: function(segment) {\n\t\tvar curve = segment.getCurve();\n\t\tif (curve) {\n\t\t\tthis._setCurve(curve);\n\t\t} else {\n\t\t\tthis._setPath(segment._path);\n\t\t\tthis._segment1 = segment;\n\t\t\tthis._segment2 = null;\n\t\t}\n\t\tthis._segment = segment;\n\t\tthis._time = segment === this._segment1 ? 0 : 1;\n\t\tthis._point = segment._point.clone();\n\t},\n\n\tgetSegment: function() {\n\t\tvar segment = this._segment;\n\t\tif (!segment) {\n\t\t\tvar curve = this.getCurve(),\n\t\t\t\ttime = this.getTime();\n\t\t\tif (time === 0) {\n\t\t\t\tsegment = curve._segment1;\n\t\t\t} else if (time === 1) {\n\t\t\t\tsegment = curve._segment2;\n\t\t\t} else if (time != null) {\n\t\t\t\tsegment = curve.getPartLength(0, time)\n\t\t\t\t\t< curve.getPartLength(time, 1)\n\t\t\t\t\t\t? curve._segment1\n\t\t\t\t\t\t: curve._segment2;\n\t\t\t}\n\t\t\tthis._segment = segment;\n\t\t}\n\t\treturn segment;\n\t},\n\n\tgetCurve: function() {\n\t\tvar path = this._path,\n\t\t\tthat = this;\n\t\tif (path && path._version !== this._version) {\n\t\t\tthis._time = this._offset = this._curveOffset = this._curve = null;\n\t\t}\n\n\t\tfunction trySegment(segment) {\n\t\t\tvar curve = segment && segment.getCurve();\n\t\t\tif (curve && (that._time = curve.getTimeOf(that._point)) != null) {\n\t\t\t\tthat._setCurve(curve);\n\t\t\t\treturn curve;\n\t\t\t}\n\t\t}\n\n\t\treturn this._curve\n\t\t\t|| trySegment(this._segment)\n\t\t\t|| trySegment(this._segment1)\n\t\t\t|| trySegment(this._segment2.getPrevious());\n\t},\n\n\tgetPath: function() {\n\t\tvar curve = this.getCurve();\n\t\treturn curve && curve._path;\n\t},\n\n\tgetIndex: function() {\n\t\tvar curve = this.getCurve();\n\t\treturn curve && curve.getIndex();\n\t},\n\n\tgetTime: function() {\n\t\tvar curve = this.getCurve(),\n\t\t\ttime = this._time;\n\t\treturn curve && time == null\n\t\t\t? this._time = curve.getTimeOf(this._point)\n\t\t\t: time;\n\t},\n\n\tgetParameter: '#getTime',\n\n\tgetPoint: function() {\n\t\treturn this._point;\n\t},\n\n\tgetOffset: function() {\n\t\tvar offset = this._offset;\n\t\tif (offset == null) {\n\t\t\toffset = 0;\n\t\t\tvar path = this.getPath(),\n\t\t\t\tindex = this.getIndex();\n\t\t\tif (path && index != null) {\n\t\t\t\tvar curves = path.getCurves();\n\t\t\t\tfor (var i = 0; i < index; i++)\n\t\t\t\t\toffset += curves[i].getLength();\n\t\t\t}\n\t\t\tthis._offset = offset += this.getCurveOffset();\n\t\t}\n\t\treturn offset;\n\t},\n\n\tgetCurveOffset: function() {\n\t\tvar offset = this._curveOffset;\n\t\tif (offset == null) {\n\t\t\tvar curve = this.getCurve(),\n\t\t\t\ttime = this.getTime();\n\t\t\tthis._curveOffset = offset = time != null && curve\n\t\t\t\t\t&& curve.getPartLength(0, time);\n\t\t}\n\t\treturn offset;\n\t},\n\n\tgetIntersection: function() {\n\t\treturn this._intersection;\n\t},\n\n\tgetDistance: function() {\n\t\treturn this._distance;\n\t},\n\n\tdivide: function() {\n\t\tvar curve = this.getCurve(),\n\t\t\tres = curve && curve.divideAtTime(this.getTime());\n\t\tif (res) {\n\t\t\tthis._setSegment(res._segment1);\n\t\t}\n\t\treturn res;\n\t},\n\n\tsplit: function() {\n\t\tvar curve = this.getCurve(),\n\t\t\tpath = curve._path,\n\t\t\tres = curve && curve.splitAtTime(this.getTime());\n\t\tif (res) {\n\t\t\tthis._setSegment(path.getLastSegment());\n\t\t}\n\t\treturn  res;\n\t},\n\n\tequals: function(loc, _ignoreOther) {\n\t\tvar res = this === loc;\n\t\tif (!res && loc instanceof CurveLocation) {\n\t\t\tvar c1 = this.getCurve(),\n\t\t\t\tc2 = loc.getCurve(),\n\t\t\t\tp1 = c1._path,\n\t\t\t\tp2 = c2._path;\n\t\t\tif (p1 === p2) {\n\t\t\t\tvar abs = Math.abs,\n\t\t\t\t\tepsilon = 1e-7,\n\t\t\t\t\tdiff = abs(this.getOffset() - loc.getOffset()),\n\t\t\t\t\ti1 = !_ignoreOther && this._intersection,\n\t\t\t\t\ti2 = !_ignoreOther && loc._intersection;\n\t\t\t\tres = (diff < epsilon\n\t\t\t\t\t\t|| p1 && abs(p1.getLength() - diff) < epsilon)\n\t\t\t\t\t&& (!i1 && !i2 || i1 && i2 && i1.equals(i2, true));\n\t\t\t}\n\t\t}\n\t\treturn res;\n\t},\n\n\ttoString: function() {\n\t\tvar parts = [],\n\t\t\tpoint = this.getPoint(),\n\t\t\tf = Formatter.instance;\n\t\tif (point)\n\t\t\tparts.push('point: ' + point);\n\t\tvar index = this.getIndex();\n\t\tif (index != null)\n\t\t\tparts.push('index: ' + index);\n\t\tvar time = this.getTime();\n\t\tif (time != null)\n\t\t\tparts.push('time: ' + f.number(time));\n\t\tif (this._distance != null)\n\t\t\tparts.push('distance: ' + f.number(this._distance));\n\t\treturn '{ ' + parts.join(', ') + ' }';\n\t},\n\n\tisTouching: function() {\n\t\tvar inter = this._intersection;\n\t\tif (inter && this.getTangent().isCollinear(inter.getTangent())) {\n\t\t\tvar curve1 = this.getCurve(),\n\t\t\t\tcurve2 = inter.getCurve();\n\t\t\treturn !(curve1.isStraight() && curve2.isStraight()\n\t\t\t\t\t&& curve1.getLine().intersect(curve2.getLine()));\n\t\t}\n\t\treturn false;\n\t},\n\n\tisCrossing: function() {\n\t\tvar inter = this._intersection;\n\t\tif (!inter)\n\t\t\treturn false;\n\t\tvar t1 = this.getTime(),\n\t\t\tt2 = inter.getTime(),\n\t\t\ttMin = 1e-8,\n\t\t\ttMax = 1 - tMin,\n\t\t\tt1Inside = t1 >= tMin && t1 <= tMax,\n\t\t\tt2Inside = t2 >= tMin && t2 <= tMax;\n\t\tif (t1Inside && t2Inside)\n\t\t\treturn !this.isTouching();\n\t\tvar c2 = this.getCurve(),\n\t\t\tc1 = c2 && t1 < tMin ? c2.getPrevious() : c2,\n\t\t\tc4 = inter.getCurve(),\n\t\t\tc3 = c4 && t2 < tMin ? c4.getPrevious() : c4;\n\t\tif (t1 > tMax)\n\t\t\tc2 = c2.getNext();\n\t\tif (t2 > tMax)\n\t\t\tc4 = c4.getNext();\n\t\tif (!c1 || !c2 || !c3 || !c4)\n\t\t\treturn false;\n\n\t\tvar offsets = [];\n\n\t\tfunction addOffsets(curve, end) {\n\t\t\tvar v = curve.getValues(),\n\t\t\t\troots = Curve.classify(v).roots || Curve.getPeaks(v),\n\t\t\t\tcount = roots.length,\n\t\t\t\toffset = Curve.getLength(v,\n\t\t\t\t\tend && count ? roots[count - 1] : 0,\n\t\t\t\t\t!end && count ? roots[0] : 1);\n\t\t\toffsets.push(count ? offset : offset / 32);\n\t\t}\n\n\t\tfunction isInRange(angle, min, max) {\n\t\t\treturn min < max\n\t\t\t\t\t? angle > min && angle < max\n\t\t\t\t\t: angle > min || angle < max;\n\t\t}\n\n\t\tif (!t1Inside) {\n\t\t\taddOffsets(c1, true);\n\t\t\taddOffsets(c2, false);\n\t\t}\n\t\tif (!t2Inside) {\n\t\t\taddOffsets(c3, true);\n\t\t\taddOffsets(c4, false);\n\t\t}\n\t\tvar pt = this.getPoint(),\n\t\t\toffset = Math.min.apply(Math, offsets),\n\t\t\tv2 = t1Inside ? c2.getTangentAtTime(t1)\n\t\t\t\t\t: c2.getPointAt(offset).subtract(pt),\n\t\t\tv1 = t1Inside ? v2.negate()\n\t\t\t\t\t: c1.getPointAt(-offset).subtract(pt),\n\t\t\tv4 = t2Inside ? c4.getTangentAtTime(t2)\n\t\t\t\t\t: c4.getPointAt(offset).subtract(pt),\n\t\t\tv3 = t2Inside ? v4.negate()\n\t\t\t\t\t: c3.getPointAt(-offset).subtract(pt),\n\t\t\ta1 = v1.getAngle(),\n\t\t\ta2 = v2.getAngle(),\n\t\t\ta3 = v3.getAngle(),\n\t\t\ta4 = v4.getAngle();\n\t\treturn !!(t1Inside\n\t\t\t\t? (isInRange(a1, a3, a4) ^ isInRange(a2, a3, a4)) &&\n\t\t\t\t  (isInRange(a1, a4, a3) ^ isInRange(a2, a4, a3))\n\t\t\t\t: (isInRange(a3, a1, a2) ^ isInRange(a4, a1, a2)) &&\n\t\t\t\t  (isInRange(a3, a2, a1) ^ isInRange(a4, a2, a1)));\n\t},\n\n\thasOverlap: function() {\n\t\treturn !!this._overlap;\n\t}\n}, Base.each(Curve._evaluateMethods, function(name) {\n\tvar get = name + 'At';\n\tthis[name] = function() {\n\t\tvar curve = this.getCurve(),\n\t\t\ttime = this.getTime();\n\t\treturn time != null && curve && curve[get](time, true);\n\t};\n}, {\n\tpreserve: true\n}),\nnew function() {\n\n\tfunction insert(locations, loc, merge) {\n\t\tvar length = locations.length,\n\t\t\tl = 0,\n\t\t\tr = length - 1;\n\n\t\tfunction search(index, dir) {\n\t\t\tfor (var i = index + dir; i >= -1 && i <= length; i += dir) {\n\t\t\t\tvar loc2 = locations[((i % length) + length) % length];\n\t\t\t\tif (!loc.getPoint().isClose(loc2.getPoint(),\n\t\t\t\t\t\t1e-7))\n\t\t\t\t\tbreak;\n\t\t\t\tif (loc.equals(loc2))\n\t\t\t\t\treturn loc2;\n\t\t\t}\n\t\t\treturn null;\n\t\t}\n\n\t\twhile (l <= r) {\n\t\t\tvar m = (l + r) >>> 1,\n\t\t\t\tloc2 = locations[m],\n\t\t\t\tfound;\n\t\t\tif (merge && (found = loc.equals(loc2) ? loc2\n\t\t\t\t\t: (search(m, -1) || search(m, 1)))) {\n\t\t\t\tif (loc._overlap) {\n\t\t\t\t\tfound._overlap = found._intersection._overlap = true;\n\t\t\t\t}\n\t\t\t\treturn found;\n\t\t\t}\n\t\tvar path1 = loc.getPath(),\n\t\t\tpath2 = loc2.getPath(),\n\t\t\tdiff = path1 !== path2\n\t\t\t\t? path1._id - path2._id\n\t\t\t\t: (loc.getIndex() + loc.getTime())\n\t\t\t\t- (loc2.getIndex() + loc2.getTime());\n\t\t\tif (diff < 0) {\n\t\t\t\tr = m - 1;\n\t\t\t} else {\n\t\t\t\tl = m + 1;\n\t\t\t}\n\t\t}\n\t\tlocations.splice(l, 0, loc);\n\t\treturn loc;\n\t}\n\n\treturn { statics: {\n\t\tinsert: insert,\n\n\t\texpand: function(locations) {\n\t\t\tvar expanded = locations.slice();\n\t\t\tfor (var i = locations.length - 1; i >= 0; i--) {\n\t\t\t\tinsert(expanded, locations[i]._intersection, false);\n\t\t\t}\n\t\t\treturn expanded;\n\t\t}\n\t}};\n});\n\nvar PathItem = Item.extend({\n\t_class: 'PathItem',\n\t_selectBounds: false,\n\t_canScaleStroke: true,\n\tbeans: true,\n\n\tinitialize: function PathItem() {\n\t},\n\n\tstatics: {\n\t\tcreate: function(arg) {\n\t\t\tvar data,\n\t\t\t\tsegments,\n\t\t\t\tcompound;\n\t\t\tif (Base.isPlainObject(arg)) {\n\t\t\t\tsegments = arg.segments;\n\t\t\t\tdata = arg.pathData;\n\t\t\t} else if (Array.isArray(arg)) {\n\t\t\t\tsegments = arg;\n\t\t\t} else if (typeof arg === 'string') {\n\t\t\t\tdata = arg;\n\t\t\t}\n\t\t\tif (segments) {\n\t\t\t\tvar first = segments[0];\n\t\t\t\tcompound = first && Array.isArray(first[0]);\n\t\t\t} else if (data) {\n\t\t\t\tcompound = (data.match(/m/gi) || []).length > 1\n\t\t\t\t\t\t|| /z\\s*\\S+/i.test(data);\n\t\t\t}\n\t\t\tvar ctor = compound ? CompoundPath : Path;\n\t\t\treturn new ctor(arg);\n\t\t}\n\t},\n\n\t_asPathItem: function() {\n\t\treturn this;\n\t},\n\n\tisClockwise: function() {\n\t\treturn this.getArea() >= 0;\n\t},\n\n\tsetClockwise: function(clockwise) {\n\t\tif (this.isClockwise() != (clockwise = !!clockwise))\n\t\t\tthis.reverse();\n\t},\n\n\tsetPathData: function(data) {\n\n\t\tvar parts = data && data.match(/[mlhvcsqtaz][^mlhvcsqtaz]*/ig),\n\t\t\tcoords,\n\t\t\trelative = false,\n\t\t\tprevious,\n\t\t\tcontrol,\n\t\t\tcurrent = new Point(),\n\t\t\tstart = new Point();\n\n\t\tfunction getCoord(index, coord) {\n\t\t\tvar val = +coords[index];\n\t\t\tif (relative)\n\t\t\t\tval += current[coord];\n\t\t\treturn val;\n\t\t}\n\n\t\tfunction getPoint(index) {\n\t\t\treturn new Point(\n\t\t\t\tgetCoord(index, 'x'),\n\t\t\t\tgetCoord(index + 1, 'y')\n\t\t\t);\n\t\t}\n\n\t\tthis.clear();\n\n\t\tfor (var i = 0, l = parts && parts.length; i < l; i++) {\n\t\t\tvar part = parts[i],\n\t\t\t\tcommand = part[0],\n\t\t\t\tlower = command.toLowerCase();\n\t\t\tcoords = part.match(/[+-]?(?:\\d*\\.\\d+|\\d+\\.?)(?:[eE][+-]?\\d+)?/g);\n\t\t\tvar length = coords && coords.length;\n\t\t\trelative = command === lower;\n\t\t\tif (previous === 'z' && !/[mz]/.test(lower))\n\t\t\t\tthis.moveTo(current);\n\t\t\tswitch (lower) {\n\t\t\tcase 'm':\n\t\t\tcase 'l':\n\t\t\t\tvar move = lower === 'm';\n\t\t\t\tfor (var j = 0; j < length; j += 2) {\n\t\t\t\t\tthis[move ? 'moveTo' : 'lineTo'](current = getPoint(j));\n\t\t\t\t\tif (move) {\n\t\t\t\t\t\tstart = current;\n\t\t\t\t\t\tmove = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tcontrol = current;\n\t\t\t\tbreak;\n\t\t\tcase 'h':\n\t\t\tcase 'v':\n\t\t\t\tvar coord = lower === 'h' ? 'x' : 'y';\n\t\t\t\tcurrent = current.clone();\n\t\t\t\tfor (var j = 0; j < length; j++) {\n\t\t\t\t\tcurrent[coord] = getCoord(j, coord);\n\t\t\t\t\tthis.lineTo(current);\n\t\t\t\t}\n\t\t\t\tcontrol = current;\n\t\t\t\tbreak;\n\t\t\tcase 'c':\n\t\t\t\tfor (var j = 0; j < length; j += 6) {\n\t\t\t\t\tthis.cubicCurveTo(\n\t\t\t\t\t\t\tgetPoint(j),\n\t\t\t\t\t\t\tcontrol = getPoint(j + 2),\n\t\t\t\t\t\t\tcurrent = getPoint(j + 4));\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 's':\n\t\t\t\tfor (var j = 0; j < length; j += 4) {\n\t\t\t\t\tthis.cubicCurveTo(\n\t\t\t\t\t\t\t/[cs]/.test(previous)\n\t\t\t\t\t\t\t\t\t? current.multiply(2).subtract(control)\n\t\t\t\t\t\t\t\t\t: current,\n\t\t\t\t\t\t\tcontrol = getPoint(j),\n\t\t\t\t\t\t\tcurrent = getPoint(j + 2));\n\t\t\t\t\tprevious = lower;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'q':\n\t\t\t\tfor (var j = 0; j < length; j += 4) {\n\t\t\t\t\tthis.quadraticCurveTo(\n\t\t\t\t\t\t\tcontrol = getPoint(j),\n\t\t\t\t\t\t\tcurrent = getPoint(j + 2));\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 't':\n\t\t\t\tfor (var j = 0; j < length; j += 2) {\n\t\t\t\t\tthis.quadraticCurveTo(\n\t\t\t\t\t\t\tcontrol = (/[qt]/.test(previous)\n\t\t\t\t\t\t\t\t\t? current.multiply(2).subtract(control)\n\t\t\t\t\t\t\t\t\t: current),\n\t\t\t\t\t\t\tcurrent = getPoint(j));\n\t\t\t\t\tprevious = lower;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'a':\n\t\t\t\tfor (var j = 0; j < length; j += 7) {\n\t\t\t\t\tthis.arcTo(current = getPoint(j + 5),\n\t\t\t\t\t\t\tnew Size(+coords[j], +coords[j + 1]),\n\t\t\t\t\t\t\t+coords[j + 2], +coords[j + 4], +coords[j + 3]);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 'z':\n\t\t\t\tthis.closePath(1e-12);\n\t\t\t\tcurrent = start;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tprevious = lower;\n\t\t}\n\t},\n\n\t_canComposite: function() {\n\t\treturn !(this.hasFill() && this.hasStroke());\n\t},\n\n\t_contains: function(point) {\n\t\tvar winding = point.isInside(\n\t\t\t\tthis.getBounds({ internal: true, handle: true }))\n\t\t\t\t\t? this._getWinding(point)\n\t\t\t\t\t: {};\n\t\treturn winding.onPath || !!(this.getFillRule() === 'evenodd'\n\t\t\t\t? winding.windingL & 1 || winding.windingR & 1\n\t\t\t\t: winding.winding);\n\t},\n\n\tgetIntersections: function(path, include, _matrix, _returnFirst) {\n\t\tvar self = this === path || !path,\n\t\t\tmatrix1 = this._matrix._orNullIfIdentity(),\n\t\t\tmatrix2 = self ? matrix1\n\t\t\t\t: (_matrix || path._matrix)._orNullIfIdentity();\n\t\treturn self || this.getBounds(matrix1).intersects(\n\t\t\t\tpath.getBounds(matrix2), 1e-12)\n\t\t\t\t? Curve.getIntersections(\n\t\t\t\t\t\tthis.getCurves(), !self && path.getCurves(), include,\n\t\t\t\t\t\tmatrix1, matrix2, _returnFirst)\n\t\t\t\t: [];\n\t},\n\n\tgetCrossings: function(path) {\n\t\treturn this.getIntersections(path, function(inter) {\n\t\t\treturn inter.isCrossing();\n\t\t});\n\t},\n\n\tgetNearestLocation: function() {\n\t\tvar point = Point.read(arguments),\n\t\t\tcurves = this.getCurves(),\n\t\t\tminDist = Infinity,\n\t\t\tminLoc = null;\n\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\tvar loc = curves[i].getNearestLocation(point);\n\t\t\tif (loc._distance < minDist) {\n\t\t\t\tminDist = loc._distance;\n\t\t\t\tminLoc = loc;\n\t\t\t}\n\t\t}\n\t\treturn minLoc;\n\t},\n\n\tgetNearestPoint: function() {\n\t\tvar loc = this.getNearestLocation.apply(this, arguments);\n\t\treturn loc ? loc.getPoint() : loc;\n\t},\n\n\tinterpolate: function(from, to, factor) {\n\t\tvar isPath = !this._children,\n\t\t\tname = isPath ? '_segments' : '_children',\n\t\t\titemsFrom = from[name],\n\t\t\titemsTo = to[name],\n\t\t\titems = this[name];\n\t\tif (!itemsFrom || !itemsTo || itemsFrom.length !== itemsTo.length) {\n\t\t\tthrow new Error('Invalid operands in interpolate() call: ' +\n\t\t\t\t\tfrom + ', ' + to);\n\t\t}\n\t\tvar current = items.length,\n\t\t\tlength = itemsTo.length;\n\t\tif (current < length) {\n\t\t\tvar ctor = isPath ? Segment : Path;\n\t\t\tfor (var i = current; i < length; i++) {\n\t\t\t\tthis.add(new ctor());\n\t\t\t}\n\t\t} else if (current > length) {\n\t\t\tthis[isPath ? 'removeSegments' : 'removeChildren'](length, current);\n\t\t}\n\t\tfor (var i = 0; i < length; i++) {\n\t\t\titems[i].interpolate(itemsFrom[i], itemsTo[i], factor);\n\t\t}\n\t\tif (isPath) {\n\t\t\tthis.setClosed(from._closed);\n\t\t\tthis._changed(9);\n\t\t}\n\t},\n\n\tcompare: function(path) {\n\t\tvar ok = false;\n\t\tif (path) {\n\t\t\tvar paths1 = this._children || [this],\n\t\t\t\tpaths2 = path._children ? path._children.slice() : [path],\n\t\t\t\tlength1 = paths1.length,\n\t\t\t\tlength2 = paths2.length,\n\t\t\t\tmatched = [],\n\t\t\t\tcount = 0;\n\t\t\tok = true;\n\t\t\tvar boundsOverlaps = CollisionDetection.findItemBoundsCollisions(paths1, paths2, Numerical.GEOMETRIC_EPSILON);\n\t\t\tfor (var i1 = length1 - 1; i1 >= 0 && ok; i1--) {\n\t\t\t\tvar path1 = paths1[i1];\n\t\t\t\tok = false;\n\t\t\t\tvar pathBoundsOverlaps = boundsOverlaps[i1];\n\t\t\t\tif (pathBoundsOverlaps) {\n\t\t\t\t\tfor (var i2 = pathBoundsOverlaps.length - 1; i2 >= 0 && !ok; i2--) {\n\t\t\t\t\t\tif (path1.compare(paths2[pathBoundsOverlaps[i2]])) {\n\t\t\t\t\t\t\tif (!matched[pathBoundsOverlaps[i2]]) {\n\t\t\t\t\t\t\t\tmatched[pathBoundsOverlaps[i2]] = true;\n\t\t\t\t\t\t\t\tcount++;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tok = true;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tok = ok && count === length2;\n\t\t}\n\t\treturn ok;\n\t},\n\n});\n\nvar Path = PathItem.extend({\n\t_class: 'Path',\n\t_serializeFields: {\n\t\tsegments: [],\n\t\tclosed: false\n\t},\n\n\tinitialize: function Path(arg) {\n\t\tthis._closed = false;\n\t\tthis._segments = [];\n\t\tthis._version = 0;\n\t\tvar args = arguments,\n\t\t\tsegments = Array.isArray(arg)\n\t\t\t? typeof arg[0] === 'object'\n\t\t\t\t? arg\n\t\t\t\t: args\n\t\t\t: arg && (arg.size === undefined && (arg.x !== undefined\n\t\t\t\t\t|| arg.point !== undefined))\n\t\t\t\t? args\n\t\t\t\t: null;\n\t\tif (segments && segments.length > 0) {\n\t\t\tthis.setSegments(segments);\n\t\t} else {\n\t\t\tthis._curves = undefined;\n\t\t\tthis._segmentSelection = 0;\n\t\t\tif (!segments && typeof arg === 'string') {\n\t\t\t\tthis.setPathData(arg);\n\t\t\t\targ = null;\n\t\t\t}\n\t\t}\n\t\tthis._initialize(!segments && arg);\n\t},\n\n\t_equals: function(item) {\n\t\treturn this._closed === item._closed\n\t\t\t\t&& Base.equals(this._segments, item._segments);\n\t},\n\n\tcopyContent: function(source) {\n\t\tthis.setSegments(source._segments);\n\t\tthis._closed = source._closed;\n\t},\n\n\t_changed: function _changed(flags) {\n\t\t_changed.base.call(this, flags);\n\t\tif (flags & 8) {\n\t\t\tthis._length = this._area = undefined;\n\t\t\tif (flags & 32) {\n\t\t\t\tthis._version++;\n\t\t\t} else if (this._curves) {\n\t\t\t   for (var i = 0, l = this._curves.length; i < l; i++)\n\t\t\t\t\tthis._curves[i]._changed();\n\t\t\t}\n\t\t} else if (flags & 64) {\n\t\t\tthis._bounds = undefined;\n\t\t}\n\t},\n\n\tgetStyle: function() {\n\t\tvar parent = this._parent;\n\t\treturn (parent instanceof CompoundPath ? parent : this)._style;\n\t},\n\n\tgetSegments: function() {\n\t\treturn this._segments;\n\t},\n\n\tsetSegments: function(segments) {\n\t\tvar fullySelected = this.isFullySelected(),\n\t\t\tlength = segments && segments.length;\n\t\tthis._segments.length = 0;\n\t\tthis._segmentSelection = 0;\n\t\tthis._curves = undefined;\n\t\tif (length) {\n\t\t\tvar last = segments[length - 1];\n\t\t\tif (typeof last === 'boolean') {\n\t\t\t\tthis.setClosed(last);\n\t\t\t\tlength--;\n\t\t\t}\n\t\t\tthis._add(Segment.readList(segments, 0, {}, length));\n\t\t}\n\t\tif (fullySelected)\n\t\t\tthis.setFullySelected(true);\n\t},\n\n\tgetFirstSegment: function() {\n\t\treturn this._segments[0];\n\t},\n\n\tgetLastSegment: function() {\n\t\treturn this._segments[this._segments.length - 1];\n\t},\n\n\tgetCurves: function() {\n\t\tvar curves = this._curves,\n\t\t\tsegments = this._segments;\n\t\tif (!curves) {\n\t\t\tvar length = this._countCurves();\n\t\t\tcurves = this._curves = new Array(length);\n\t\t\tfor (var i = 0; i < length; i++)\n\t\t\t\tcurves[i] = new Curve(this, segments[i],\n\t\t\t\t\tsegments[i + 1] || segments[0]);\n\t\t}\n\t\treturn curves;\n\t},\n\n\tgetFirstCurve: function() {\n\t\treturn this.getCurves()[0];\n\t},\n\n\tgetLastCurve: function() {\n\t\tvar curves = this.getCurves();\n\t\treturn curves[curves.length - 1];\n\t},\n\n\tisClosed: function() {\n\t\treturn this._closed;\n\t},\n\n\tsetClosed: function(closed) {\n\t\tif (this._closed != (closed = !!closed)) {\n\t\t\tthis._closed = closed;\n\t\t\tif (this._curves) {\n\t\t\t\tvar length = this._curves.length = this._countCurves();\n\t\t\t\tif (closed)\n\t\t\t\t\tthis._curves[length - 1] = new Curve(this,\n\t\t\t\t\t\tthis._segments[length - 1], this._segments[0]);\n\t\t\t}\n\t\t\tthis._changed(41);\n\t\t}\n\t}\n}, {\n\tbeans: true,\n\n\tgetPathData: function(_matrix, _precision) {\n\t\tvar segments = this._segments,\n\t\t\tlength = segments.length,\n\t\t\tf = new Formatter(_precision),\n\t\t\tcoords = new Array(6),\n\t\t\tfirst = true,\n\t\t\tcurX, curY,\n\t\t\tprevX, prevY,\n\t\t\tinX, inY,\n\t\t\toutX, outY,\n\t\t\tparts = [];\n\n\t\tfunction addSegment(segment, skipLine) {\n\t\t\tsegment._transformCoordinates(_matrix, coords);\n\t\t\tcurX = coords[0];\n\t\t\tcurY = coords[1];\n\t\t\tif (first) {\n\t\t\t\tparts.push('M' + f.pair(curX, curY));\n\t\t\t\tfirst = false;\n\t\t\t} else {\n\t\t\t\tinX = coords[2];\n\t\t\t\tinY = coords[3];\n\t\t\t\tif (inX === curX && inY === curY\n\t\t\t\t\t\t&& outX === prevX && outY === prevY) {\n\t\t\t\t\tif (!skipLine) {\n\t\t\t\t\t\tvar dx = curX - prevX,\n\t\t\t\t\t\t\tdy = curY - prevY;\n\t\t\t\t\t\tparts.push(\n\t\t\t\t\t\t\t  dx === 0 ? 'v' + f.number(dy)\n\t\t\t\t\t\t\t: dy === 0 ? 'h' + f.number(dx)\n\t\t\t\t\t\t\t: 'l' + f.pair(dx, dy));\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tparts.push('c' + f.pair(outX - prevX, outY - prevY)\n\t\t\t\t\t\t\t + ' ' + f.pair( inX - prevX,  inY - prevY)\n\t\t\t\t\t\t\t + ' ' + f.pair(curX - prevX, curY - prevY));\n\t\t\t\t}\n\t\t\t}\n\t\t\tprevX = curX;\n\t\t\tprevY = curY;\n\t\t\toutX = coords[4];\n\t\t\toutY = coords[5];\n\t\t}\n\n\t\tif (!length)\n\t\t\treturn '';\n\n\t\tfor (var i = 0; i < length; i++)\n\t\t\taddSegment(segments[i]);\n\t\tif (this._closed && length > 0) {\n\t\t\taddSegment(segments[0], true);\n\t\t\tparts.push('z');\n\t\t}\n\t\treturn parts.join('');\n\t},\n\n\tisEmpty: function() {\n\t\treturn !this._segments.length;\n\t},\n\n\t_transformContent: function(matrix) {\n\t\tvar segments = this._segments,\n\t\t\tcoords = new Array(6);\n\t\tfor (var i = 0, l = segments.length; i < l; i++)\n\t\t\tsegments[i]._transformCoordinates(matrix, coords, true);\n\t\treturn true;\n\t},\n\n\t_add: function(segs, index) {\n\t\tvar segments = this._segments,\n\t\t\tcurves = this._curves,\n\t\t\tamount = segs.length,\n\t\t\tappend = index == null,\n\t\t\tindex = append ? segments.length : index;\n\t\tfor (var i = 0; i < amount; i++) {\n\t\t\tvar segment = segs[i];\n\t\t\tif (segment._path)\n\t\t\t\tsegment = segs[i] = segment.clone();\n\t\t\tsegment._path = this;\n\t\t\tsegment._index = index + i;\n\t\t\tif (segment._selection)\n\t\t\t\tthis._updateSelection(segment, 0, segment._selection);\n\t\t}\n\t\tif (append) {\n\t\t\tBase.push(segments, segs);\n\t\t} else {\n\t\t\tsegments.splice.apply(segments, [index, 0].concat(segs));\n\t\t\tfor (var i = index + amount, l = segments.length; i < l; i++)\n\t\t\t\tsegments[i]._index = i;\n\t\t}\n\t\tif (curves) {\n\t\t\tvar total = this._countCurves(),\n\t\t\t\tstart = index > 0 && index + amount - 1 === total ? index - 1\n\t\t\t\t\t: index,\n\t\t\t\tinsert = start,\n\t\t\t\tend = Math.min(start + amount, total);\n\t\t\tif (segs._curves) {\n\t\t\t\tcurves.splice.apply(curves, [start, 0].concat(segs._curves));\n\t\t\t\tinsert += segs._curves.length;\n\t\t\t}\n\t\t\tfor (var i = insert; i < end; i++)\n\t\t\t\tcurves.splice(i, 0, new Curve(this, null, null));\n\t\t\tthis._adjustCurves(start, end);\n\t\t}\n\t\tthis._changed(41);\n\t\treturn segs;\n\t},\n\n\t_adjustCurves: function(start, end) {\n\t\tvar segments = this._segments,\n\t\t\tcurves = this._curves,\n\t\t\tcurve;\n\t\tfor (var i = start; i < end; i++) {\n\t\t\tcurve = curves[i];\n\t\t\tcurve._path = this;\n\t\t\tcurve._segment1 = segments[i];\n\t\t\tcurve._segment2 = segments[i + 1] || segments[0];\n\t\t\tcurve._changed();\n\t\t}\n\t\tif (curve = curves[this._closed && !start ? segments.length - 1\n\t\t\t\t: start - 1]) {\n\t\t\tcurve._segment2 = segments[start] || segments[0];\n\t\t\tcurve._changed();\n\t\t}\n\t\tif (curve = curves[end]) {\n\t\t\tcurve._segment1 = segments[end];\n\t\t\tcurve._changed();\n\t\t}\n\t},\n\n\t_countCurves: function() {\n\t\tvar length = this._segments.length;\n\t\treturn !this._closed && length > 0 ? length - 1 : length;\n\t},\n\n\tadd: function(segment1 ) {\n\t\tvar args = arguments;\n\t\treturn args.length > 1 && typeof segment1 !== 'number'\n\t\t\t? this._add(Segment.readList(args))\n\t\t\t: this._add([ Segment.read(args) ])[0];\n\t},\n\n\tinsert: function(index, segment1 ) {\n\t\tvar args = arguments;\n\t\treturn args.length > 2 && typeof segment1 !== 'number'\n\t\t\t? this._add(Segment.readList(args, 1), index)\n\t\t\t: this._add([ Segment.read(args, 1) ], index)[0];\n\t},\n\n\taddSegment: function() {\n\t\treturn this._add([ Segment.read(arguments) ])[0];\n\t},\n\n\tinsertSegment: function(index ) {\n\t\treturn this._add([ Segment.read(arguments, 1) ], index)[0];\n\t},\n\n\taddSegments: function(segments) {\n\t\treturn this._add(Segment.readList(segments));\n\t},\n\n\tinsertSegments: function(index, segments) {\n\t\treturn this._add(Segment.readList(segments), index);\n\t},\n\n\tremoveSegment: function(index) {\n\t\treturn this.removeSegments(index, index + 1)[0] || null;\n\t},\n\n\tremoveSegments: function(start, end, _includeCurves) {\n\t\tstart = start || 0;\n\t\tend = Base.pick(end, this._segments.length);\n\t\tvar segments = this._segments,\n\t\t\tcurves = this._curves,\n\t\t\tcount = segments.length,\n\t\t\tremoved = segments.splice(start, end - start),\n\t\t\tamount = removed.length;\n\t\tif (!amount)\n\t\t\treturn removed;\n\t\tfor (var i = 0; i < amount; i++) {\n\t\t\tvar segment = removed[i];\n\t\t\tif (segment._selection)\n\t\t\t\tthis._updateSelection(segment, segment._selection, 0);\n\t\t\tsegment._index = segment._path = null;\n\t\t}\n\t\tfor (var i = start, l = segments.length; i < l; i++)\n\t\t\tsegments[i]._index = i;\n\t\tif (curves) {\n\t\t\tvar index = start > 0 && end === count + (this._closed ? 1 : 0)\n\t\t\t\t\t? start - 1\n\t\t\t\t\t: start,\n\t\t\t\tcurves = curves.splice(index, amount);\n\t\t\tfor (var i = curves.length - 1; i >= 0; i--)\n\t\t\t\tcurves[i]._path = null;\n\t\t\tif (_includeCurves)\n\t\t\t\tremoved._curves = curves.slice(1);\n\t\t\tthis._adjustCurves(index, index);\n\t\t}\n\t\tthis._changed(41);\n\t\treturn removed;\n\t},\n\n\tclear: '#removeSegments',\n\n\thasHandles: function() {\n\t\tvar segments = this._segments;\n\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\tif (segments[i].hasHandles())\n\t\t\t\treturn true;\n\t\t}\n\t\treturn false;\n\t},\n\n\tclearHandles: function() {\n\t\tvar segments = this._segments;\n\t\tfor (var i = 0, l = segments.length; i < l; i++)\n\t\t\tsegments[i].clearHandles();\n\t},\n\n\tgetLength: function() {\n\t\tif (this._length == null) {\n\t\t\tvar curves = this.getCurves(),\n\t\t\t\tlength = 0;\n\t\t\tfor (var i = 0, l = curves.length; i < l; i++)\n\t\t\t\tlength += curves[i].getLength();\n\t\t\tthis._length = length;\n\t\t}\n\t\treturn this._length;\n\t},\n\n\tgetArea: function() {\n\t\tvar area = this._area;\n\t\tif (area == null) {\n\t\t\tvar segments = this._segments,\n\t\t\t\tclosed = this._closed;\n\t\t\tarea = 0;\n\t\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\t\tvar last = i + 1 === l;\n\t\t\t\tarea += Curve.getArea(Curve.getValues(\n\t\t\t\t\t\tsegments[i], segments[last ? 0 : i + 1],\n\t\t\t\t\t\tnull, last && !closed));\n\t\t\t}\n\t\t\tthis._area = area;\n\t\t}\n\t\treturn area;\n\t},\n\n\tisFullySelected: function() {\n\t\tvar length = this._segments.length;\n\t\treturn this.isSelected() && length > 0 && this._segmentSelection\n\t\t\t\t=== length * 7;\n\t},\n\n\tsetFullySelected: function(selected) {\n\t\tif (selected)\n\t\t\tthis._selectSegments(true);\n\t\tthis.setSelected(selected);\n\t},\n\n\tsetSelection: function setSelection(selection) {\n\t\tif (!(selection & 1))\n\t\t\tthis._selectSegments(false);\n\t\tsetSelection.base.call(this, selection);\n\t},\n\n\t_selectSegments: function(selected) {\n\t\tvar segments = this._segments,\n\t\t\tlength = segments.length,\n\t\t\tselection = selected ? 7 : 0;\n\t\tthis._segmentSelection = selection * length;\n\t\tfor (var i = 0; i < length; i++)\n\t\t\tsegments[i]._selection = selection;\n\t},\n\n\t_updateSelection: function(segment, oldSelection, newSelection) {\n\t\tsegment._selection = newSelection;\n\t\tvar selection = this._segmentSelection += newSelection - oldSelection;\n\t\tif (selection > 0)\n\t\t\tthis.setSelected(true);\n\t},\n\n\tdivideAt: function(location) {\n\t\tvar loc = this.getLocationAt(location),\n\t\t\tcurve;\n\t\treturn loc && (curve = loc.getCurve().divideAt(loc.getCurveOffset()))\n\t\t\t\t? curve._segment1\n\t\t\t\t: null;\n\t},\n\n\tsplitAt: function(location) {\n\t\tvar loc = this.getLocationAt(location),\n\t\t\tindex = loc && loc.index,\n\t\t\ttime = loc && loc.time,\n\t\t\ttMin = 1e-8,\n\t\t\ttMax = 1 - tMin;\n\t\tif (time > tMax) {\n\t\t\tindex++;\n\t\t\ttime = 0;\n\t\t}\n\t\tvar curves = this.getCurves();\n\t\tif (index >= 0 && index < curves.length) {\n\t\t\tif (time >= tMin) {\n\t\t\t\tcurves[index++].divideAtTime(time);\n\t\t\t}\n\t\t\tvar segs = this.removeSegments(index, this._segments.length, true),\n\t\t\t\tpath;\n\t\t\tif (this._closed) {\n\t\t\t\tthis.setClosed(false);\n\t\t\t\tpath = this;\n\t\t\t} else {\n\t\t\t\tpath = new Path(Item.NO_INSERT);\n\t\t\t\tpath.insertAbove(this);\n\t\t\t\tpath.copyAttributes(this);\n\t\t\t}\n\t\t\tpath._add(segs, 0);\n\t\t\tthis.addSegment(segs[0]);\n\t\t\treturn path;\n\t\t}\n\t\treturn null;\n\t},\n\n\tsplit: function(index, time) {\n\t\tvar curve,\n\t\t\tlocation = time === undefined ? index\n\t\t\t\t: (curve = this.getCurves()[index])\n\t\t\t\t\t&& curve.getLocationAtTime(time);\n\t\treturn location != null ? this.splitAt(location) : null;\n\t},\n\n\tjoin: function(path, tolerance) {\n\t\tvar epsilon = tolerance || 0;\n\t\tif (path && path !== this) {\n\t\t\tvar segments = path._segments,\n\t\t\t\tlast1 = this.getLastSegment(),\n\t\t\t\tlast2 = path.getLastSegment();\n\t\t\tif (!last2)\n\t\t\t\treturn this;\n\t\t\tif (last1 && last1._point.isClose(last2._point, epsilon))\n\t\t\t\tpath.reverse();\n\t\t\tvar first2 = path.getFirstSegment();\n\t\t\tif (last1 && last1._point.isClose(first2._point, epsilon)) {\n\t\t\t\tlast1.setHandleOut(first2._handleOut);\n\t\t\t\tthis._add(segments.slice(1));\n\t\t\t} else {\n\t\t\t\tvar first1 = this.getFirstSegment();\n\t\t\t\tif (first1 && first1._point.isClose(first2._point, epsilon))\n\t\t\t\t\tpath.reverse();\n\t\t\t\tlast2 = path.getLastSegment();\n\t\t\t\tif (first1 && first1._point.isClose(last2._point, epsilon)) {\n\t\t\t\t\tfirst1.setHandleIn(last2._handleIn);\n\t\t\t\t\tthis._add(segments.slice(0, segments.length - 1), 0);\n\t\t\t\t} else {\n\t\t\t\t\tthis._add(segments.slice());\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (path._closed)\n\t\t\t\tthis._add([segments[0]]);\n\t\t\tpath.remove();\n\t\t}\n\t\tvar first = this.getFirstSegment(),\n\t\t\tlast = this.getLastSegment();\n\t\tif (first !== last && first._point.isClose(last._point, epsilon)) {\n\t\t\tfirst.setHandleIn(last._handleIn);\n\t\t\tlast.remove();\n\t\t\tthis.setClosed(true);\n\t\t}\n\t\treturn this;\n\t},\n\n\treduce: function(options) {\n\t\tvar curves = this.getCurves(),\n\t\t\tsimplify = options && options.simplify,\n\t\t\ttolerance = simplify ? 1e-7 : 0;\n\t\tfor (var i = curves.length - 1; i >= 0; i--) {\n\t\t\tvar curve = curves[i];\n\t\t\tif (!curve.hasHandles() && (!curve.hasLength(tolerance)\n\t\t\t\t\t|| simplify && curve.isCollinear(curve.getNext())))\n\t\t\t\tcurve.remove();\n\t\t}\n\t\treturn this;\n\t},\n\n\treverse: function() {\n\t\tthis._segments.reverse();\n\t\tfor (var i = 0, l = this._segments.length; i < l; i++) {\n\t\t\tvar segment = this._segments[i];\n\t\t\tvar handleIn = segment._handleIn;\n\t\t\tsegment._handleIn = segment._handleOut;\n\t\t\tsegment._handleOut = handleIn;\n\t\t\tsegment._index = i;\n\t\t}\n\t\tthis._curves = null;\n\t\tthis._changed(9);\n\t},\n\n\tflatten: function(flatness) {\n\t\tvar flattener = new PathFlattener(this, flatness || 0.25, 256, true),\n\t\t\tparts = flattener.parts,\n\t\t\tlength = parts.length,\n\t\t\tsegments = [];\n\t\tfor (var i = 0; i < length; i++) {\n\t\t\tsegments.push(new Segment(parts[i].curve.slice(0, 2)));\n\t\t}\n\t\tif (!this._closed && length > 0) {\n\t\t\tsegments.push(new Segment(parts[length - 1].curve.slice(6)));\n\t\t}\n\t\tthis.setSegments(segments);\n\t},\n\n\tsimplify: function(tolerance) {\n\t\tvar segments = new PathFitter(this).fit(tolerance || 2.5);\n\t\tif (segments)\n\t\t\tthis.setSegments(segments);\n\t\treturn !!segments;\n\t},\n\n\tsmooth: function(options) {\n\t\tvar that = this,\n\t\t\topts = options || {},\n\t\t\ttype = opts.type || 'asymmetric',\n\t\t\tsegments = this._segments,\n\t\t\tlength = segments.length,\n\t\t\tclosed = this._closed;\n\n\t\tfunction getIndex(value, _default) {\n\t\t\tvar index = value && value.index;\n\t\t\tif (index != null) {\n\t\t\t\tvar path = value.path;\n\t\t\t\tif (path && path !== that)\n\t\t\t\t\tthrow new Error(value._class + ' ' + index + ' of ' + path\n\t\t\t\t\t\t\t+ ' is not part of ' + that);\n\t\t\t\tif (_default && value instanceof Curve)\n\t\t\t\t\tindex++;\n\t\t\t} else {\n\t\t\t\tindex = typeof value === 'number' ? value : _default;\n\t\t\t}\n\t\t\treturn Math.min(index < 0 && closed\n\t\t\t\t\t? index % length\n\t\t\t\t\t: index < 0 ? index + length : index, length - 1);\n\t\t}\n\n\t\tvar loop = closed && opts.from === undefined && opts.to === undefined,\n\t\t\tfrom = getIndex(opts.from, 0),\n\t\t\tto = getIndex(opts.to, length - 1);\n\n\t\tif (from > to) {\n\t\t\tif (closed) {\n\t\t\t\tfrom -= length;\n\t\t\t} else {\n\t\t\t\tvar tmp = from;\n\t\t\t\tfrom = to;\n\t\t\t\tto = tmp;\n\t\t\t}\n\t\t}\n\t\tif (/^(?:asymmetric|continuous)$/.test(type)) {\n\t\t\tvar asymmetric = type === 'asymmetric',\n\t\t\t\tmin = Math.min,\n\t\t\t\tamount = to - from + 1,\n\t\t\t\tn = amount - 1,\n\t\t\t\tpadding = loop ? min(amount, 4) : 1,\n\t\t\t\tpaddingLeft = padding,\n\t\t\t\tpaddingRight = padding,\n\t\t\t\tknots = [];\n\t\t\tif (!closed) {\n\t\t\t\tpaddingLeft = min(1, from);\n\t\t\t\tpaddingRight = min(1, length - to - 1);\n\t\t\t}\n\t\t\tn += paddingLeft + paddingRight;\n\t\t\tif (n <= 1)\n\t\t\t\treturn;\n\t\t\tfor (var i = 0, j = from - paddingLeft; i <= n; i++, j++) {\n\t\t\t\tknots[i] = segments[(j < 0 ? j + length : j) % length]._point;\n\t\t\t}\n\n\t\t\tvar x = knots[0]._x + 2 * knots[1]._x,\n\t\t\t\ty = knots[0]._y + 2 * knots[1]._y,\n\t\t\t\tf = 2,\n\t\t\t\tn_1 = n - 1,\n\t\t\t\trx = [x],\n\t\t\t\try = [y],\n\t\t\t\trf = [f],\n\t\t\t\tpx = [],\n\t\t\t\tpy = [];\n\t\t\tfor (var i = 1; i < n; i++) {\n\t\t\t\tvar internal = i < n_1,\n\t\t\t\t\ta = internal ? 1 : asymmetric ? 1 : 2,\n\t\t\t\t\tb = internal ? 4 : asymmetric ? 2 : 7,\n\t\t\t\t\tu = internal ? 4 : asymmetric ? 3 : 8,\n\t\t\t\t\tv = internal ? 2 : asymmetric ? 0 : 1,\n\t\t\t\t\tm = a / f;\n\t\t\t\tf = rf[i] = b - m;\n\t\t\t\tx = rx[i] = u * knots[i]._x + v * knots[i + 1]._x - m * x;\n\t\t\t\ty = ry[i] = u * knots[i]._y + v * knots[i + 1]._y - m * y;\n\t\t\t}\n\n\t\t\tpx[n_1] = rx[n_1] / rf[n_1];\n\t\t\tpy[n_1] = ry[n_1] / rf[n_1];\n\t\t\tfor (var i = n - 2; i >= 0; i--) {\n\t\t\t\tpx[i] = (rx[i] - px[i + 1]) / rf[i];\n\t\t\t\tpy[i] = (ry[i] - py[i + 1]) / rf[i];\n\t\t\t}\n\t\t\tpx[n] = (3 * knots[n]._x - px[n_1]) / 2;\n\t\t\tpy[n] = (3 * knots[n]._y - py[n_1]) / 2;\n\n\t\t\tfor (var i = paddingLeft, max = n - paddingRight, j = from;\n\t\t\t\t\ti <= max; i++, j++) {\n\t\t\t\tvar segment = segments[j < 0 ? j + length : j],\n\t\t\t\t\tpt = segment._point,\n\t\t\t\t\thx = px[i] - pt._x,\n\t\t\t\t\thy = py[i] - pt._y;\n\t\t\t\tif (loop || i < max)\n\t\t\t\t\tsegment.setHandleOut(hx, hy);\n\t\t\t\tif (loop || i > paddingLeft)\n\t\t\t\t\tsegment.setHandleIn(-hx, -hy);\n\t\t\t}\n\t\t} else {\n\t\t\tfor (var i = from; i <= to; i++) {\n\t\t\t\tsegments[i < 0 ? i + length : i].smooth(opts,\n\t\t\t\t\t\t!loop && i === from, !loop && i === to);\n\t\t\t}\n\t\t}\n\t},\n\n\ttoShape: function(insert) {\n\t\tif (!this._closed)\n\t\t\treturn null;\n\n\t\tvar segments = this._segments,\n\t\t\ttype,\n\t\t\tsize,\n\t\t\tradius,\n\t\t\ttopCenter;\n\n\t\tfunction isCollinear(i, j) {\n\t\t\tvar seg1 = segments[i],\n\t\t\t\tseg2 = seg1.getNext(),\n\t\t\t\tseg3 = segments[j],\n\t\t\t\tseg4 = seg3.getNext();\n\t\t\treturn seg1._handleOut.isZero() && seg2._handleIn.isZero()\n\t\t\t\t\t&& seg3._handleOut.isZero() && seg4._handleIn.isZero()\n\t\t\t\t\t&& seg2._point.subtract(seg1._point).isCollinear(\n\t\t\t\t\t\tseg4._point.subtract(seg3._point));\n\t\t}\n\n\t\tfunction isOrthogonal(i) {\n\t\t\tvar seg2 = segments[i],\n\t\t\t\tseg1 = seg2.getPrevious(),\n\t\t\t\tseg3 = seg2.getNext();\n\t\t\treturn seg1._handleOut.isZero() && seg2._handleIn.isZero()\n\t\t\t\t\t&& seg2._handleOut.isZero() && seg3._handleIn.isZero()\n\t\t\t\t\t&& seg2._point.subtract(seg1._point).isOrthogonal(\n\t\t\t\t\t\tseg3._point.subtract(seg2._point));\n\t\t}\n\n\t\tfunction isArc(i) {\n\t\t\tvar seg1 = segments[i],\n\t\t\t\tseg2 = seg1.getNext(),\n\t\t\t\thandle1 = seg1._handleOut,\n\t\t\t\thandle2 = seg2._handleIn,\n\t\t\t\tkappa = 0.5522847498307936;\n\t\t\tif (handle1.isOrthogonal(handle2)) {\n\t\t\t\tvar pt1 = seg1._point,\n\t\t\t\t\tpt2 = seg2._point,\n\t\t\t\t\tcorner = new Line(pt1, handle1, true).intersect(\n\t\t\t\t\t\t\tnew Line(pt2, handle2, true), true);\n\t\t\t\treturn corner && Numerical.isZero(handle1.getLength() /\n\t\t\t\t\t\tcorner.subtract(pt1).getLength() - kappa)\n\t\t\t\t\t&& Numerical.isZero(handle2.getLength() /\n\t\t\t\t\t\tcorner.subtract(pt2).getLength() - kappa);\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\t\tfunction getDistance(i, j) {\n\t\t\treturn segments[i]._point.getDistance(segments[j]._point);\n\t\t}\n\n\t\tif (!this.hasHandles() && segments.length === 4\n\t\t\t\t&& isCollinear(0, 2) && isCollinear(1, 3) && isOrthogonal(1)) {\n\t\t\ttype = Shape.Rectangle;\n\t\t\tsize = new Size(getDistance(0, 3), getDistance(0, 1));\n\t\t\ttopCenter = segments[1]._point.add(segments[2]._point).divide(2);\n\t\t} else if (segments.length === 8 && isArc(0) && isArc(2) && isArc(4)\n\t\t\t\t&& isArc(6) && isCollinear(1, 5) && isCollinear(3, 7)) {\n\t\t\ttype = Shape.Rectangle;\n\t\t\tsize = new Size(getDistance(1, 6), getDistance(0, 3));\n\t\t\tradius = size.subtract(new Size(getDistance(0, 7),\n\t\t\t\t\tgetDistance(1, 2))).divide(2);\n\t\t\ttopCenter = segments[3]._point.add(segments[4]._point).divide(2);\n\t\t} else if (segments.length === 4\n\t\t\t\t&& isArc(0) && isArc(1) && isArc(2) && isArc(3)) {\n\t\t\tif (Numerical.isZero(getDistance(0, 2) - getDistance(1, 3))) {\n\t\t\t\ttype = Shape.Circle;\n\t\t\t\tradius = getDistance(0, 2) / 2;\n\t\t\t} else {\n\t\t\t\ttype = Shape.Ellipse;\n\t\t\t\tradius = new Size(getDistance(2, 0) / 2, getDistance(3, 1) / 2);\n\t\t\t}\n\t\t\ttopCenter = segments[1]._point;\n\t\t}\n\n\t\tif (type) {\n\t\t\tvar center = this.getPosition(true),\n\t\t\t\tshape = new type({\n\t\t\t\t\tcenter: center,\n\t\t\t\t\tsize: size,\n\t\t\t\t\tradius: radius,\n\t\t\t\t\tinsert: false\n\t\t\t\t});\n\t\t\tshape.copyAttributes(this, true);\n\t\t\tshape._matrix.prepend(this._matrix);\n\t\t\tshape.rotate(topCenter.subtract(center).getAngle() + 90);\n\t\t\tif (insert === undefined || insert)\n\t\t\t\tshape.insertAbove(this);\n\t\t\treturn shape;\n\t\t}\n\t\treturn null;\n\t},\n\n\ttoPath: '#clone',\n\n\tcompare: function compare(path) {\n\t\tif (!path || path instanceof CompoundPath)\n\t\t\treturn compare.base.call(this, path);\n\t\tvar curves1 = this.getCurves(),\n\t\t\tcurves2 = path.getCurves(),\n\t\t\tlength1 = curves1.length,\n\t\t\tlength2 = curves2.length;\n\t\tif (!length1 || !length2) {\n\t\t\treturn length1 == length2;\n\t\t}\n\t\tvar v1 = curves1[0].getValues(),\n\t\t\tvalues2 = [],\n\t\t\tpos1 = 0, pos2,\n\t\t\tend1 = 0, end2;\n\t\tfor (var i = 0; i < length2; i++) {\n\t\t\tvar v2 = curves2[i].getValues();\n\t\t\tvalues2.push(v2);\n\t\t\tvar overlaps = Curve.getOverlaps(v1, v2);\n\t\t\tif (overlaps) {\n\t\t\t\tpos2 = !i && overlaps[0][0] > 0 ? length2 - 1 : i;\n\t\t\t\tend2 = overlaps[0][1];\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tvar abs = Math.abs,\n\t\t\tepsilon = 1e-8,\n\t\t\tv2 = values2[pos2],\n\t\t\tstart2;\n\t\twhile (v1 && v2) {\n\t\t\tvar overlaps = Curve.getOverlaps(v1, v2);\n\t\t\tif (overlaps) {\n\t\t\t\tvar t1 = overlaps[0][0];\n\t\t\t\tif (abs(t1 - end1) < epsilon) {\n\t\t\t\t\tend1 = overlaps[1][0];\n\t\t\t\t\tif (end1 === 1) {\n\t\t\t\t\t\tv1 = ++pos1 < length1 ? curves1[pos1].getValues() : null;\n\t\t\t\t\t\tend1 = 0;\n\t\t\t\t\t}\n\t\t\t\t\tvar t2 = overlaps[0][1];\n\t\t\t\t\tif (abs(t2 - end2) < epsilon) {\n\t\t\t\t\t\tif (!start2)\n\t\t\t\t\t\t\tstart2 = [pos2, t2];\n\t\t\t\t\t\tend2 = overlaps[1][1];\n\t\t\t\t\t\tif (end2 === 1) {\n\t\t\t\t\t\t\tif (++pos2 >= length2)\n\t\t\t\t\t\t\t\tpos2 = 0;\n\t\t\t\t\t\t\tv2 = values2[pos2] || curves2[pos2].getValues();\n\t\t\t\t\t\t\tend2 = 0;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (!v1) {\n\t\t\t\t\t\t\treturn start2[0] === pos2 && start2[1] === end2;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n\t\treturn false;\n\t},\n\n\t_hitTestSelf: function(point, options, viewMatrix, strokeMatrix) {\n\t\tvar that = this,\n\t\t\tstyle = this.getStyle(),\n\t\t\tsegments = this._segments,\n\t\t\tnumSegments = segments.length,\n\t\t\tclosed = this._closed,\n\t\t\ttolerancePadding = options._tolerancePadding,\n\t\t\tstrokePadding = tolerancePadding,\n\t\t\tjoin, cap, miterLimit,\n\t\t\tarea, loc, res,\n\t\t\thitStroke = options.stroke && style.hasStroke(),\n\t\t\thitFill = options.fill && style.hasFill(),\n\t\t\thitCurves = options.curves,\n\t\t\tstrokeRadius = hitStroke\n\t\t\t\t\t? style.getStrokeWidth() / 2\n\t\t\t\t\t: hitFill && options.tolerance > 0 || hitCurves\n\t\t\t\t\t\t? 0 : null;\n\t\tif (strokeRadius !== null) {\n\t\t\tif (strokeRadius > 0) {\n\t\t\t\tjoin = style.getStrokeJoin();\n\t\t\t\tcap = style.getStrokeCap();\n\t\t\t\tmiterLimit = style.getMiterLimit();\n\t\t\t\tstrokePadding = strokePadding.add(\n\t\t\t\t\tPath._getStrokePadding(strokeRadius, strokeMatrix));\n\t\t\t} else {\n\t\t\t\tjoin = cap = 'round';\n\t\t\t}\n\t\t}\n\n\t\tfunction isCloseEnough(pt, padding) {\n\t\t\treturn point.subtract(pt).divide(padding).length <= 1;\n\t\t}\n\n\t\tfunction checkSegmentPoint(seg, pt, name) {\n\t\t\tif (!options.selected || pt.isSelected()) {\n\t\t\t\tvar anchor = seg._point;\n\t\t\t\tif (pt !== anchor)\n\t\t\t\t\tpt = pt.add(anchor);\n\t\t\t\tif (isCloseEnough(pt, strokePadding)) {\n\t\t\t\t\treturn new HitResult(name, that, {\n\t\t\t\t\t\tsegment: seg,\n\t\t\t\t\t\tpoint: pt\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfunction checkSegmentPoints(seg, ends) {\n\t\t\treturn (ends || options.segments)\n\t\t\t\t&& checkSegmentPoint(seg, seg._point, 'segment')\n\t\t\t\t|| (!ends && options.handles) && (\n\t\t\t\t\tcheckSegmentPoint(seg, seg._handleIn, 'handle-in') ||\n\t\t\t\t\tcheckSegmentPoint(seg, seg._handleOut, 'handle-out'));\n\t\t}\n\n\t\tfunction addToArea(point) {\n\t\t\tarea.add(point);\n\t\t}\n\n\t\tfunction checkSegmentStroke(segment) {\n\t\t\tvar isJoin = closed || segment._index > 0\n\t\t\t\t\t&& segment._index < numSegments - 1;\n\t\t\tif ((isJoin ? join : cap) === 'round') {\n\t\t\t\treturn isCloseEnough(segment._point, strokePadding);\n\t\t\t} else {\n\t\t\t\tarea = new Path({ internal: true, closed: true });\n\t\t\t\tif (isJoin) {\n\t\t\t\t\tif (!segment.isSmooth()) {\n\t\t\t\t\t\tPath._addBevelJoin(segment, join, strokeRadius,\n\t\t\t\t\t\t\t   miterLimit, null, strokeMatrix, addToArea, true);\n\t\t\t\t\t}\n\t\t\t\t} else if (cap === 'square') {\n\t\t\t\t\tPath._addSquareCap(segment, cap, strokeRadius, null,\n\t\t\t\t\t\t\tstrokeMatrix, addToArea, true);\n\t\t\t\t}\n\t\t\t\tif (!area.isEmpty()) {\n\t\t\t\t\tvar loc;\n\t\t\t\t\treturn area.contains(point)\n\t\t\t\t\t\t|| (loc = area.getNearestLocation(point))\n\t\t\t\t\t\t\t&& isCloseEnough(loc.getPoint(), tolerancePadding);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif (options.ends && !options.segments && !closed) {\n\t\t\tif (res = checkSegmentPoints(segments[0], true)\n\t\t\t\t\t|| checkSegmentPoints(segments[numSegments - 1], true))\n\t\t\t\treturn res;\n\t\t} else if (options.segments || options.handles) {\n\t\t\tfor (var i = 0; i < numSegments; i++)\n\t\t\t\tif (res = checkSegmentPoints(segments[i]))\n\t\t\t\t\treturn res;\n\t\t}\n\t\tif (strokeRadius !== null) {\n\t\t\tloc = this.getNearestLocation(point);\n\t\t\tif (loc) {\n\t\t\t\tvar time = loc.getTime();\n\t\t\t\tif (time === 0 || time === 1 && numSegments > 1) {\n\t\t\t\t\tif (!checkSegmentStroke(loc.getSegment()))\n\t\t\t\t\t\tloc = null;\n\t\t\t\t} else if (!isCloseEnough(loc.getPoint(), strokePadding)) {\n\t\t\t\t\tloc = null;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!loc && join === 'miter' && numSegments > 1) {\n\t\t\t\tfor (var i = 0; i < numSegments; i++) {\n\t\t\t\t\tvar segment = segments[i];\n\t\t\t\t\tif (point.getDistance(segment._point)\n\t\t\t\t\t\t\t<= miterLimit * strokeRadius\n\t\t\t\t\t\t\t&& checkSegmentStroke(segment)) {\n\t\t\t\t\t\tloc = segment.getLocation();\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn !loc && hitFill && this._contains(point)\n\t\t\t\t|| loc && !hitStroke && !hitCurves\n\t\t\t\t\t? new HitResult('fill', this)\n\t\t\t\t\t: loc\n\t\t\t\t\t\t? new HitResult(hitStroke ? 'stroke' : 'curve', this, {\n\t\t\t\t\t\t\tlocation: loc,\n\t\t\t\t\t\t\tpoint: loc.getPoint()\n\t\t\t\t\t\t})\n\t\t\t\t\t\t: null;\n\t}\n\n}, Base.each(Curve._evaluateMethods,\n\tfunction(name) {\n\t\tthis[name + 'At'] = function(offset) {\n\t\t\tvar loc = this.getLocationAt(offset);\n\t\t\treturn loc && loc[name]();\n\t\t};\n\t},\n{\n\tbeans: false,\n\n\tgetLocationOf: function() {\n\t\tvar point = Point.read(arguments),\n\t\t\tcurves = this.getCurves();\n\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\tvar loc = curves[i].getLocationOf(point);\n\t\t\tif (loc)\n\t\t\t\treturn loc;\n\t\t}\n\t\treturn null;\n\t},\n\n\tgetOffsetOf: function() {\n\t\tvar loc = this.getLocationOf.apply(this, arguments);\n\t\treturn loc ? loc.getOffset() : null;\n\t},\n\n\tgetLocationAt: function(offset) {\n\t\tif (typeof offset === 'number') {\n\t\t\tvar curves = this.getCurves(),\n\t\t\t\tlength = 0;\n\t\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\t\tvar start = length,\n\t\t\t\t\tcurve = curves[i];\n\t\t\t\tlength += curve.getLength();\n\t\t\t\tif (length > offset) {\n\t\t\t\t\treturn curve.getLocationAt(offset - start);\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (curves.length > 0 && offset <= this.getLength()) {\n\t\t\t\treturn new CurveLocation(curves[curves.length - 1], 1);\n\t\t\t}\n\t\t} else if (offset && offset.getPath && offset.getPath() === this) {\n\t\t\treturn offset;\n\t\t}\n\t\treturn null;\n\t},\n\n\tgetOffsetsWithTangent: function() {\n\t\tvar tangent = Point.read(arguments);\n\t\tif (tangent.isZero()) {\n\t\t\treturn [];\n\t\t}\n\n\t\tvar offsets = [];\n\t\tvar curveStart = 0;\n\t\tvar curves = this.getCurves();\n\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\tvar curve = curves[i];\n\t\t\tvar curveTimes = curve.getTimesWithTangent(tangent);\n\t\t\tfor (var j = 0, m = curveTimes.length; j < m; j++) {\n\t\t\t\tvar offset = curveStart + curve.getOffsetAtTime(curveTimes[j]);\n\t\t\t\tif (offsets.indexOf(offset) < 0) {\n\t\t\t\t\toffsets.push(offset);\n\t\t\t\t}\n\t\t\t}\n\t\t\tcurveStart += curve.length;\n\t\t}\n\t\treturn offsets;\n\t}\n}),\nnew function() {\n\n\tfunction drawHandles(ctx, segments, matrix, size) {\n\t\tif (size <= 0) return;\n\n\t\tvar half = size / 2,\n\t\t\tminiSize = size - 2,\n\t\t\tminiHalf = half - 1,\n\t\t\tcoords = new Array(6),\n\t\t\tpX, pY;\n\n\t\tfunction drawHandle(index) {\n\t\t\tvar hX = coords[index],\n\t\t\t\thY = coords[index + 1];\n\t\t\tif (pX != hX || pY != hY) {\n\t\t\t\tctx.beginPath();\n\t\t\t\tctx.moveTo(pX, pY);\n\t\t\t\tctx.lineTo(hX, hY);\n\t\t\t\tctx.stroke();\n\t\t\t\tctx.beginPath();\n\t\t\t\tctx.arc(hX, hY, half, 0, Math.PI * 2, true);\n\t\t\t\tctx.fill();\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\tvar segment = segments[i],\n\t\t\t\tselection = segment._selection;\n\t\t\tsegment._transformCoordinates(matrix, coords);\n\t\t\tpX = coords[0];\n\t\t\tpY = coords[1];\n\t\t\tif (selection & 2)\n\t\t\t\tdrawHandle(2);\n\t\t\tif (selection & 4)\n\t\t\t\tdrawHandle(4);\n\t\t\tctx.fillRect(pX - half, pY - half, size, size);\n\t\t\tif (miniSize > 0 && !(selection & 1)) {\n\t\t\t\tvar fillStyle = ctx.fillStyle;\n\t\t\t\tctx.fillStyle = '#ffffff';\n\t\t\t\tctx.fillRect(pX - miniHalf, pY - miniHalf, miniSize, miniSize);\n\t\t\t\tctx.fillStyle = fillStyle;\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction drawSegments(ctx, path, matrix) {\n\t\tvar segments = path._segments,\n\t\t\tlength = segments.length,\n\t\t\tcoords = new Array(6),\n\t\t\tfirst = true,\n\t\t\tcurX, curY,\n\t\t\tprevX, prevY,\n\t\t\tinX, inY,\n\t\t\toutX, outY;\n\n\t\tfunction drawSegment(segment) {\n\t\t\tif (matrix) {\n\t\t\t\tsegment._transformCoordinates(matrix, coords);\n\t\t\t\tcurX = coords[0];\n\t\t\t\tcurY = coords[1];\n\t\t\t} else {\n\t\t\t\tvar point = segment._point;\n\t\t\t\tcurX = point._x;\n\t\t\t\tcurY = point._y;\n\t\t\t}\n\t\t\tif (first) {\n\t\t\t\tctx.moveTo(curX, curY);\n\t\t\t\tfirst = false;\n\t\t\t} else {\n\t\t\t\tif (matrix) {\n\t\t\t\t\tinX = coords[2];\n\t\t\t\t\tinY = coords[3];\n\t\t\t\t} else {\n\t\t\t\t\tvar handle = segment._handleIn;\n\t\t\t\t\tinX = curX + handle._x;\n\t\t\t\t\tinY = curY + handle._y;\n\t\t\t\t}\n\t\t\t\tif (inX === curX && inY === curY\n\t\t\t\t\t\t&& outX === prevX && outY === prevY) {\n\t\t\t\t\tctx.lineTo(curX, curY);\n\t\t\t\t} else {\n\t\t\t\t\tctx.bezierCurveTo(outX, outY, inX, inY, curX, curY);\n\t\t\t\t}\n\t\t\t}\n\t\t\tprevX = curX;\n\t\t\tprevY = curY;\n\t\t\tif (matrix) {\n\t\t\t\toutX = coords[4];\n\t\t\t\toutY = coords[5];\n\t\t\t} else {\n\t\t\t\tvar handle = segment._handleOut;\n\t\t\t\toutX = prevX + handle._x;\n\t\t\t\toutY = prevY + handle._y;\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = 0; i < length; i++)\n\t\t\tdrawSegment(segments[i]);\n\t\tif (path._closed && length > 0)\n\t\t\tdrawSegment(segments[0]);\n\t}\n\n\treturn {\n\t\t_draw: function(ctx, param, viewMatrix, strokeMatrix) {\n\t\t\tvar dontStart = param.dontStart,\n\t\t\t\tdontPaint = param.dontFinish || param.clip,\n\t\t\t\tstyle = this.getStyle(),\n\t\t\t\thasFill = style.hasFill(),\n\t\t\t\thasStroke = style.hasStroke(),\n\t\t\t\tdashArray = style.getDashArray(),\n\t\t\t\tdashLength = !paper.support.nativeDash && hasStroke\n\t\t\t\t\t\t&& dashArray && dashArray.length;\n\n\t\t\tif (!dontStart)\n\t\t\t\tctx.beginPath();\n\n\t\t\tif (hasFill || hasStroke && !dashLength || dontPaint) {\n\t\t\t\tdrawSegments(ctx, this, strokeMatrix);\n\t\t\t\tif (this._closed)\n\t\t\t\t\tctx.closePath();\n\t\t\t}\n\n\t\t\tfunction getOffset(i) {\n\t\t\t\treturn dashArray[((i % dashLength) + dashLength) % dashLength];\n\t\t\t}\n\n\t\t\tif (!dontPaint && (hasFill || hasStroke)) {\n\t\t\t\tthis._setStyles(ctx, param, viewMatrix);\n\t\t\t\tif (hasFill) {\n\t\t\t\t\tctx.fill(style.getFillRule());\n\t\t\t\t\tctx.shadowColor = 'rgba(0,0,0,0)';\n\t\t\t\t}\n\t\t\t\tif (hasStroke) {\n\t\t\t\t\tif (dashLength) {\n\t\t\t\t\t\tif (!dontStart)\n\t\t\t\t\t\t\tctx.beginPath();\n\t\t\t\t\t\tvar flattener = new PathFlattener(this, 0.25, 32, false,\n\t\t\t\t\t\t\t\tstrokeMatrix),\n\t\t\t\t\t\t\tlength = flattener.length,\n\t\t\t\t\t\t\tfrom = -style.getDashOffset(), to,\n\t\t\t\t\t\t\ti = 0;\n\t\t\t\t\t\twhile (from > 0) {\n\t\t\t\t\t\t\tfrom -= getOffset(i--) + getOffset(i--);\n\t\t\t\t\t\t}\n\t\t\t\t\t\twhile (from < length) {\n\t\t\t\t\t\t\tto = from + getOffset(i++);\n\t\t\t\t\t\t\tif (from > 0 || to > 0)\n\t\t\t\t\t\t\t\tflattener.drawPart(ctx,\n\t\t\t\t\t\t\t\t\t\tMath.max(from, 0), Math.max(to, 0));\n\t\t\t\t\t\t\tfrom = to + getOffset(i++);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tctx.stroke();\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t_drawSelected: function(ctx, matrix) {\n\t\t\tctx.beginPath();\n\t\t\tdrawSegments(ctx, this, matrix);\n\t\t\tctx.stroke();\n\t\t\tdrawHandles(ctx, this._segments, matrix, paper.settings.handleSize);\n\t\t}\n\t};\n},\nnew function() {\n\tfunction getCurrentSegment(that) {\n\t\tvar segments = that._segments;\n\t\tif (!segments.length)\n\t\t\tthrow new Error('Use a moveTo() command first');\n\t\treturn segments[segments.length - 1];\n\t}\n\n\treturn {\n\t\tmoveTo: function() {\n\t\t\tvar segments = this._segments;\n\t\t\tif (segments.length === 1)\n\t\t\t\tthis.removeSegment(0);\n\t\t\tif (!segments.length)\n\t\t\t\tthis._add([ new Segment(Point.read(arguments)) ]);\n\t\t},\n\n\t\tmoveBy: function() {\n\t\t\tthrow new Error('moveBy() is unsupported on Path items.');\n\t\t},\n\n\t\tlineTo: function() {\n\t\t\tthis._add([ new Segment(Point.read(arguments)) ]);\n\t\t},\n\n\t\tcubicCurveTo: function() {\n\t\t\tvar args = arguments,\n\t\t\t\thandle1 = Point.read(args),\n\t\t\t\thandle2 = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tcurrent = getCurrentSegment(this);\n\t\t\tcurrent.setHandleOut(handle1.subtract(current._point));\n\t\t\tthis._add([ new Segment(to, handle2.subtract(to)) ]);\n\t\t},\n\n\t\tquadraticCurveTo: function() {\n\t\t\tvar args = arguments,\n\t\t\t\thandle = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tcurrent = getCurrentSegment(this)._point;\n\t\t\tthis.cubicCurveTo(\n\t\t\t\thandle.add(current.subtract(handle).multiply(1 / 3)),\n\t\t\t\thandle.add(to.subtract(handle).multiply(1 / 3)),\n\t\t\t\tto\n\t\t\t);\n\t\t},\n\n\t\tcurveTo: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tthrough = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tt = Base.pick(Base.read(args), 0.5),\n\t\t\t\tt1 = 1 - t,\n\t\t\t\tcurrent = getCurrentSegment(this)._point,\n\t\t\t\thandle = through.subtract(current.multiply(t1 * t1))\n\t\t\t\t\t.subtract(to.multiply(t * t)).divide(2 * t * t1);\n\t\t\tif (handle.isNaN())\n\t\t\t\tthrow new Error(\n\t\t\t\t\t'Cannot put a curve through points with parameter = ' + t);\n\t\t\tthis.quadraticCurveTo(handle, to);\n\t\t},\n\n\t\tarcTo: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tabs = Math.abs,\n\t\t\t\tsqrt = Math.sqrt,\n\t\t\t\tcurrent = getCurrentSegment(this),\n\t\t\t\tfrom = current._point,\n\t\t\t\tto = Point.read(args),\n\t\t\t\tthrough,\n\t\t\t\tpeek = Base.peek(args),\n\t\t\t\tclockwise = Base.pick(peek, true),\n\t\t\t\tcenter, extent, vector, matrix;\n\t\t\tif (typeof clockwise === 'boolean') {\n\t\t\t\tvar middle = from.add(to).divide(2),\n\t\t\t\tthrough = middle.add(middle.subtract(from).rotate(\n\t\t\t\t\t\tclockwise ? -90 : 90));\n\t\t\t} else if (Base.remain(args) <= 2) {\n\t\t\t\tthrough = to;\n\t\t\t\tto = Point.read(args);\n\t\t\t} else if (!from.equals(to)) {\n\t\t\t\tvar radius = Size.read(args),\n\t\t\t\t\tisZero = Numerical.isZero;\n\t\t\t\tif (isZero(radius.width) || isZero(radius.height))\n\t\t\t\t\treturn this.lineTo(to);\n\t\t\t\tvar rotation = Base.read(args),\n\t\t\t\t\tclockwise = !!Base.read(args),\n\t\t\t\t\tlarge = !!Base.read(args),\n\t\t\t\t\tmiddle = from.add(to).divide(2),\n\t\t\t\t\tpt = from.subtract(middle).rotate(-rotation),\n\t\t\t\t\tx = pt.x,\n\t\t\t\t\ty = pt.y,\n\t\t\t\t\trx = abs(radius.width),\n\t\t\t\t\try = abs(radius.height),\n\t\t\t\t\trxSq = rx * rx,\n\t\t\t\t\trySq = ry * ry,\n\t\t\t\t\txSq = x * x,\n\t\t\t\t\tySq = y * y;\n\t\t\t\tvar factor = sqrt(xSq / rxSq + ySq / rySq);\n\t\t\t\tif (factor > 1) {\n\t\t\t\t\trx *= factor;\n\t\t\t\t\try *= factor;\n\t\t\t\t\trxSq = rx * rx;\n\t\t\t\t\trySq = ry * ry;\n\t\t\t\t}\n\t\t\t\tfactor = (rxSq * rySq - rxSq * ySq - rySq * xSq) /\n\t\t\t\t\t\t(rxSq * ySq + rySq * xSq);\n\t\t\t\tif (abs(factor) < 1e-12)\n\t\t\t\t\tfactor = 0;\n\t\t\t\tif (factor < 0)\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t\t'Cannot create an arc with the given arguments');\n\t\t\t\tcenter = new Point(rx * y / ry, -ry * x / rx)\n\t\t\t\t\t\t.multiply((large === clockwise ? -1 : 1) * sqrt(factor))\n\t\t\t\t\t\t.rotate(rotation).add(middle);\n\t\t\t\tmatrix = new Matrix().translate(center).rotate(rotation)\n\t\t\t\t\t\t.scale(rx, ry);\n\t\t\t\tvector = matrix._inverseTransform(from);\n\t\t\t\textent = vector.getDirectedAngle(matrix._inverseTransform(to));\n\t\t\t\tif (!clockwise && extent > 0)\n\t\t\t\t\textent -= 360;\n\t\t\t\telse if (clockwise && extent < 0)\n\t\t\t\t\textent += 360;\n\t\t\t}\n\t\t\tif (through) {\n\t\t\t\tvar l1 = new Line(from.add(through).divide(2),\n\t\t\t\t\t\t\tthrough.subtract(from).rotate(90), true),\n\t\t\t\t\tl2 = new Line(through.add(to).divide(2),\n\t\t\t\t\t\t\tto.subtract(through).rotate(90), true),\n\t\t\t\t\tline = new Line(from, to),\n\t\t\t\t\tthroughSide = line.getSide(through);\n\t\t\t\tcenter = l1.intersect(l2, true);\n\t\t\t\tif (!center) {\n\t\t\t\t\tif (!throughSide)\n\t\t\t\t\t\treturn this.lineTo(to);\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t\t'Cannot create an arc with the given arguments');\n\t\t\t\t}\n\t\t\t\tvector = from.subtract(center);\n\t\t\t\textent = vector.getDirectedAngle(to.subtract(center));\n\t\t\t\tvar centerSide = line.getSide(center, true);\n\t\t\t\tif (centerSide === 0) {\n\t\t\t\t\textent = throughSide * abs(extent);\n\t\t\t\t} else if (throughSide === centerSide) {\n\t\t\t\t\textent += extent < 0 ? 360 : -360;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (extent) {\n\t\t\t\tvar epsilon = 1e-7,\n\t\t\t\t\text = abs(extent),\n\t\t\t\t\tcount = ext >= 360 ? 4 : Math.ceil((ext - epsilon) / 90),\n\t\t\t\t\tinc = extent / count,\n\t\t\t\t\thalf = inc * Math.PI / 360,\n\t\t\t\t\tz = 4 / 3 * Math.sin(half) / (1 + Math.cos(half)),\n\t\t\t\t\tsegments = [];\n\t\t\t\tfor (var i = 0; i <= count; i++) {\n\t\t\t\t\tvar pt = to,\n\t\t\t\t\t\tout = null;\n\t\t\t\t\tif (i < count) {\n\t\t\t\t\t\tout = vector.rotate(90).multiply(z);\n\t\t\t\t\t\tif (matrix) {\n\t\t\t\t\t\t\tpt = matrix._transformPoint(vector);\n\t\t\t\t\t\t\tout = matrix._transformPoint(vector.add(out))\n\t\t\t\t\t\t\t\t\t.subtract(pt);\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tpt = center.add(vector);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif (!i) {\n\t\t\t\t\t\tcurrent.setHandleOut(out);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tvar _in = vector.rotate(-90).multiply(z);\n\t\t\t\t\t\tif (matrix) {\n\t\t\t\t\t\t\t_in = matrix._transformPoint(vector.add(_in))\n\t\t\t\t\t\t\t\t\t.subtract(pt);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tsegments.push(new Segment(pt, _in, out));\n\t\t\t\t\t}\n\t\t\t\t\tvector = vector.rotate(inc);\n\t\t\t\t}\n\t\t\t\tthis._add(segments);\n\t\t\t}\n\t\t},\n\n\t\tlineBy: function() {\n\t\t\tvar to = Point.read(arguments),\n\t\t\t\tcurrent = getCurrentSegment(this)._point;\n\t\t\tthis.lineTo(current.add(to));\n\t\t},\n\n\t\tcurveBy: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tthrough = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tparameter = Base.read(args),\n\t\t\t\tcurrent = getCurrentSegment(this)._point;\n\t\t\tthis.curveTo(current.add(through), current.add(to), parameter);\n\t\t},\n\n\t\tcubicCurveBy: function() {\n\t\t\tvar args = arguments,\n\t\t\t\thandle1 = Point.read(args),\n\t\t\t\thandle2 = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tcurrent = getCurrentSegment(this)._point;\n\t\t\tthis.cubicCurveTo(current.add(handle1), current.add(handle2),\n\t\t\t\t\tcurrent.add(to));\n\t\t},\n\n\t\tquadraticCurveBy: function() {\n\t\t\tvar args = arguments,\n\t\t\t\thandle = Point.read(args),\n\t\t\t\tto = Point.read(args),\n\t\t\t\tcurrent = getCurrentSegment(this)._point;\n\t\t\tthis.quadraticCurveTo(current.add(handle), current.add(to));\n\t\t},\n\n\t\tarcBy: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tcurrent = getCurrentSegment(this)._point,\n\t\t\t\tpoint = current.add(Point.read(args)),\n\t\t\t\tclockwise = Base.pick(Base.peek(args), true);\n\t\t\tif (typeof clockwise === 'boolean') {\n\t\t\t\tthis.arcTo(point, clockwise);\n\t\t\t} else {\n\t\t\t\tthis.arcTo(point, current.add(Point.read(args)));\n\t\t\t}\n\t\t},\n\n\t\tclosePath: function(tolerance) {\n\t\t\tthis.setClosed(true);\n\t\t\tthis.join(this, tolerance);\n\t\t}\n\t};\n}, {\n\n\t_getBounds: function(matrix, options) {\n\t\tvar method = options.handle\n\t\t\t\t? 'getHandleBounds'\n\t\t\t\t: options.stroke\n\t\t\t\t? 'getStrokeBounds'\n\t\t\t\t: 'getBounds';\n\t\treturn Path[method](this._segments, this._closed, this, matrix, options);\n\t},\n\nstatics: {\n\tgetBounds: function(segments, closed, path, matrix, options, strokePadding) {\n\t\tvar first = segments[0];\n\t\tif (!first)\n\t\t\treturn new Rectangle();\n\t\tvar coords = new Array(6),\n\t\t\tprevCoords = first._transformCoordinates(matrix, new Array(6)),\n\t\t\tmin = prevCoords.slice(0, 2),\n\t\t\tmax = min.slice(),\n\t\t\troots = new Array(2);\n\n\t\tfunction processSegment(segment) {\n\t\t\tsegment._transformCoordinates(matrix, coords);\n\t\t\tfor (var i = 0; i < 2; i++) {\n\t\t\t\tCurve._addBounds(\n\t\t\t\t\tprevCoords[i],\n\t\t\t\t\tprevCoords[i + 4],\n\t\t\t\t\tcoords[i + 2],\n\t\t\t\t\tcoords[i],\n\t\t\t\t\ti, strokePadding ? strokePadding[i] : 0, min, max, roots);\n\t\t\t}\n\t\t\tvar tmp = prevCoords;\n\t\t\tprevCoords = coords;\n\t\t\tcoords = tmp;\n\t\t}\n\n\t\tfor (var i = 1, l = segments.length; i < l; i++)\n\t\t\tprocessSegment(segments[i]);\n\t\tif (closed)\n\t\t\tprocessSegment(first);\n\t\treturn new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);\n\t},\n\n\tgetStrokeBounds: function(segments, closed, path, matrix, options) {\n\t\tvar style = path.getStyle(),\n\t\t\tstroke = style.hasStroke(),\n\t\t\tstrokeWidth = style.getStrokeWidth(),\n\t\t\tstrokeMatrix = stroke && path._getStrokeMatrix(matrix, options),\n\t\t\tstrokePadding = stroke && Path._getStrokePadding(strokeWidth,\n\t\t\t\tstrokeMatrix),\n\t\t\tbounds = Path.getBounds(segments, closed, path, matrix, options,\n\t\t\t\tstrokePadding);\n\t\tif (!stroke)\n\t\t\treturn bounds;\n\t\tvar strokeRadius = strokeWidth / 2,\n\t\t\tjoin = style.getStrokeJoin(),\n\t\t\tcap = style.getStrokeCap(),\n\t\t\tmiterLimit = style.getMiterLimit(),\n\t\t\tjoinBounds = new Rectangle(new Size(strokePadding));\n\n\t\tfunction addPoint(point) {\n\t\t\tbounds = bounds.include(point);\n\t\t}\n\n\t\tfunction addRound(segment) {\n\t\t\tbounds = bounds.unite(\n\t\t\t\t\tjoinBounds.setCenter(segment._point.transform(matrix)));\n\t\t}\n\n\t\tfunction addJoin(segment, join) {\n\t\t\tif (join === 'round' || segment.isSmooth()) {\n\t\t\t\taddRound(segment);\n\t\t\t} else {\n\t\t\t\tPath._addBevelJoin(segment, join, strokeRadius, miterLimit,\n\t\t\t\t\t\tmatrix, strokeMatrix, addPoint);\n\t\t\t}\n\t\t}\n\n\t\tfunction addCap(segment, cap) {\n\t\t\tif (cap === 'round') {\n\t\t\t\taddRound(segment);\n\t\t\t} else {\n\t\t\t\tPath._addSquareCap(segment, cap, strokeRadius, matrix,\n\t\t\t\t\t\tstrokeMatrix, addPoint);\n\t\t\t}\n\t\t}\n\n\t\tvar length = segments.length - (closed ? 0 : 1);\n\t\tif (length > 0) {\n\t\t\tfor (var i = 1; i < length; i++) {\n\t\t\t\taddJoin(segments[i], join);\n\t\t\t}\n\t\t\tif (closed) {\n\t\t\t\taddJoin(segments[0], join);\n\t\t\t} else {\n\t\t\t\taddCap(segments[0], cap);\n\t\t\t\taddCap(segments[segments.length - 1], cap);\n\t\t\t}\n\t\t}\n\t\treturn bounds;\n\t},\n\n\t_getStrokePadding: function(radius, matrix) {\n\t\tif (!matrix)\n\t\t\treturn [radius, radius];\n\t\tvar hor = new Point(radius, 0).transform(matrix),\n\t\t\tver = new Point(0, radius).transform(matrix),\n\t\t\tphi = hor.getAngleInRadians(),\n\t\t\ta = hor.getLength(),\n\t\t\tb = ver.getLength();\n\t\tvar sin = Math.sin(phi),\n\t\t\tcos = Math.cos(phi),\n\t\t\ttan = Math.tan(phi),\n\t\t\ttx = Math.atan2(b * tan, a),\n\t\t\tty = Math.atan2(b, tan * a);\n\t\treturn [Math.abs(a * Math.cos(tx) * cos + b * Math.sin(tx) * sin),\n\t\t\t\tMath.abs(b * Math.sin(ty) * cos + a * Math.cos(ty) * sin)];\n\t},\n\n\t_addBevelJoin: function(segment, join, radius, miterLimit, matrix,\n\t\t\tstrokeMatrix, addPoint, isArea) {\n\t\tvar curve2 = segment.getCurve(),\n\t\t\tcurve1 = curve2.getPrevious(),\n\t\t\tpoint = curve2.getPoint1().transform(matrix),\n\t\t\tnormal1 = curve1.getNormalAtTime(1).multiply(radius)\n\t\t\t\t.transform(strokeMatrix),\n\t\t\tnormal2 = curve2.getNormalAtTime(0).multiply(radius)\n\t\t\t\t.transform(strokeMatrix),\n\t\t\t\tangle = normal1.getDirectedAngle(normal2);\n\t\tif (angle < 0 || angle >= 180) {\n\t\t\tnormal1 = normal1.negate();\n\t\t\tnormal2 = normal2.negate();\n\t\t}\n\t\tif (isArea)\n\t\t\taddPoint(point);\n\t\taddPoint(point.add(normal1));\n\t\tif (join === 'miter') {\n\t\t\tvar corner = new Line(point.add(normal1),\n\t\t\t\t\tnew Point(-normal1.y, normal1.x), true\n\t\t\t\t).intersect(new Line(point.add(normal2),\n\t\t\t\t\tnew Point(-normal2.y, normal2.x), true\n\t\t\t\t), true);\n\t\t\tif (corner && point.getDistance(corner) <= miterLimit * radius) {\n\t\t\t\taddPoint(corner);\n\t\t\t}\n\t\t}\n\t\taddPoint(point.add(normal2));\n\t},\n\n\t_addSquareCap: function(segment, cap, radius, matrix, strokeMatrix,\n\t\t\taddPoint, isArea) {\n\t\tvar point = segment._point.transform(matrix),\n\t\t\tloc = segment.getLocation(),\n\t\t\tnormal = loc.getNormal()\n\t\t\t\t\t.multiply(loc.getTime() === 0 ? radius : -radius)\n\t\t\t\t\t.transform(strokeMatrix);\n\t\tif (cap === 'square') {\n\t\t\tif (isArea) {\n\t\t\t\taddPoint(point.subtract(normal));\n\t\t\t\taddPoint(point.add(normal));\n\t\t\t}\n\t\t\tpoint = point.add(normal.rotate(-90));\n\t\t}\n\t\taddPoint(point.add(normal));\n\t\taddPoint(point.subtract(normal));\n\t},\n\n\tgetHandleBounds: function(segments, closed, path, matrix, options) {\n\t\tvar style = path.getStyle(),\n\t\t\tstroke = options.stroke && style.hasStroke(),\n\t\t\tstrokePadding,\n\t\t\tjoinPadding;\n\t\tif (stroke) {\n\t\t\tvar strokeMatrix = path._getStrokeMatrix(matrix, options),\n\t\t\t\tstrokeRadius = style.getStrokeWidth() / 2,\n\t\t\t\tjoinRadius = strokeRadius;\n\t\t\tif (style.getStrokeJoin() === 'miter')\n\t\t\t\tjoinRadius = strokeRadius * style.getMiterLimit();\n\t\t\tif (style.getStrokeCap() === 'square')\n\t\t\t\tjoinRadius = Math.max(joinRadius, strokeRadius * Math.SQRT2);\n\t\t\tstrokePadding = Path._getStrokePadding(strokeRadius, strokeMatrix);\n\t\t\tjoinPadding = Path._getStrokePadding(joinRadius, strokeMatrix);\n\t\t}\n\t\tvar coords = new Array(6),\n\t\t\tx1 = Infinity,\n\t\t\tx2 = -x1,\n\t\t\ty1 = x1,\n\t\t\ty2 = x2;\n\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\tvar segment = segments[i];\n\t\t\tsegment._transformCoordinates(matrix, coords);\n\t\t\tfor (var j = 0; j < 6; j += 2) {\n\t\t\t\tvar padding = !j ? joinPadding : strokePadding,\n\t\t\t\t\tpaddingX = padding ? padding[0] : 0,\n\t\t\t\t\tpaddingY = padding ? padding[1] : 0,\n\t\t\t\t\tx = coords[j],\n\t\t\t\t\ty = coords[j + 1],\n\t\t\t\t\txn = x - paddingX,\n\t\t\t\t\txx = x + paddingX,\n\t\t\t\t\tyn = y - paddingY,\n\t\t\t\t\tyx = y + paddingY;\n\t\t\t\tif (xn < x1) x1 = xn;\n\t\t\t\tif (xx > x2) x2 = xx;\n\t\t\t\tif (yn < y1) y1 = yn;\n\t\t\t\tif (yx > y2) y2 = yx;\n\t\t\t}\n\t\t}\n\t\treturn new Rectangle(x1, y1, x2 - x1, y2 - y1);\n\t}\n}});\n\nPath.inject({ statics: new function() {\n\n\tvar kappa = 0.5522847498307936,\n\t\tellipseSegments = [\n\t\t\tnew Segment([-1, 0], [0, kappa ], [0, -kappa]),\n\t\t\tnew Segment([0, -1], [-kappa, 0], [kappa, 0 ]),\n\t\t\tnew Segment([1, 0], [0, -kappa], [0, kappa ]),\n\t\t\tnew Segment([0, 1], [kappa, 0 ], [-kappa, 0])\n\t\t];\n\n\tfunction createPath(segments, closed, args) {\n\t\tvar props = Base.getNamed(args),\n\t\t\tpath = new Path(props && props.insert == false && Item.NO_INSERT);\n\t\tpath._add(segments);\n\t\tpath._closed = closed;\n\t\treturn path.set(props, { insert: true });\n\t}\n\n\tfunction createEllipse(center, radius, args) {\n\t\tvar segments = new Array(4);\n\t\tfor (var i = 0; i < 4; i++) {\n\t\t\tvar segment = ellipseSegments[i];\n\t\t\tsegments[i] = new Segment(\n\t\t\t\tsegment._point.multiply(radius).add(center),\n\t\t\t\tsegment._handleIn.multiply(radius),\n\t\t\t\tsegment._handleOut.multiply(radius)\n\t\t\t);\n\t\t}\n\t\treturn createPath(segments, true, args);\n\t}\n\n\treturn {\n\t\tLine: function() {\n\t\t\tvar args = arguments;\n\t\t\treturn createPath([\n\t\t\t\tnew Segment(Point.readNamed(args, 'from')),\n\t\t\t\tnew Segment(Point.readNamed(args, 'to'))\n\t\t\t], false, args);\n\t\t},\n\n\t\tCircle: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tcenter = Point.readNamed(args, 'center'),\n\t\t\t\tradius = Base.readNamed(args, 'radius');\n\t\t\treturn createEllipse(center, new Size(radius), args);\n\t\t},\n\n\t\tRectangle: function() {\n\t\t\tvar args = arguments,\n\t\t\t\trect = Rectangle.readNamed(args, 'rectangle'),\n\t\t\t\tradius = Size.readNamed(args, 'radius', 0,\n\t\t\t\t\t\t{ readNull: true }),\n\t\t\t\tbl = rect.getBottomLeft(true),\n\t\t\t\ttl = rect.getTopLeft(true),\n\t\t\t\ttr = rect.getTopRight(true),\n\t\t\t\tbr = rect.getBottomRight(true),\n\t\t\t\tsegments;\n\t\t\tif (!radius || radius.isZero()) {\n\t\t\t\tsegments = [\n\t\t\t\t\tnew Segment(bl),\n\t\t\t\t\tnew Segment(tl),\n\t\t\t\t\tnew Segment(tr),\n\t\t\t\t\tnew Segment(br)\n\t\t\t\t];\n\t\t\t} else {\n\t\t\t\tradius = Size.min(radius, rect.getSize(true).divide(2));\n\t\t\t\tvar rx = radius.width,\n\t\t\t\t\try = radius.height,\n\t\t\t\t\thx = rx * kappa,\n\t\t\t\t\thy = ry * kappa;\n\t\t\t\tsegments = [\n\t\t\t\t\tnew Segment(bl.add(rx, 0), null, [-hx, 0]),\n\t\t\t\t\tnew Segment(bl.subtract(0, ry), [0, hy]),\n\t\t\t\t\tnew Segment(tl.add(0, ry), null, [0, -hy]),\n\t\t\t\t\tnew Segment(tl.add(rx, 0), [-hx, 0], null),\n\t\t\t\t\tnew Segment(tr.subtract(rx, 0), null, [hx, 0]),\n\t\t\t\t\tnew Segment(tr.add(0, ry), [0, -hy], null),\n\t\t\t\t\tnew Segment(br.subtract(0, ry), null, [0, hy]),\n\t\t\t\t\tnew Segment(br.subtract(rx, 0), [hx, 0])\n\t\t\t\t];\n\t\t\t}\n\t\t\treturn createPath(segments, true, args);\n\t\t},\n\n\t\tRoundRectangle: '#Rectangle',\n\n\t\tEllipse: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tellipse = Shape._readEllipse(args);\n\t\t\treturn createEllipse(ellipse.center, ellipse.radius, args);\n\t\t},\n\n\t\tOval: '#Ellipse',\n\n\t\tArc: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tfrom = Point.readNamed(args, 'from'),\n\t\t\t\tthrough = Point.readNamed(args, 'through'),\n\t\t\t\tto = Point.readNamed(args, 'to'),\n\t\t\t\tprops = Base.getNamed(args),\n\t\t\t\tpath = new Path(props && props.insert == false\n\t\t\t\t\t\t&& Item.NO_INSERT);\n\t\t\tpath.moveTo(from);\n\t\t\tpath.arcTo(through, to);\n\t\t\treturn path.set(props);\n\t\t},\n\n\t\tRegularPolygon: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tcenter = Point.readNamed(args, 'center'),\n\t\t\t\tsides = Base.readNamed(args, 'sides'),\n\t\t\t\tradius = Base.readNamed(args, 'radius'),\n\t\t\t\tstep = 360 / sides,\n\t\t\t\tthree = sides % 3 === 0,\n\t\t\t\tvector = new Point(0, three ? -radius : radius),\n\t\t\t\toffset = three ? -1 : 0.5,\n\t\t\t\tsegments = new Array(sides);\n\t\t\tfor (var i = 0; i < sides; i++)\n\t\t\t\tsegments[i] = new Segment(center.add(\n\t\t\t\t\tvector.rotate((i + offset) * step)));\n\t\t\treturn createPath(segments, true, args);\n\t\t},\n\n\t\tStar: function() {\n\t\t\tvar args = arguments,\n\t\t\t\tcenter = Point.readNamed(args, 'center'),\n\t\t\t\tpoints = Base.readNamed(args, 'points') * 2,\n\t\t\t\tradius1 = Base.readNamed(args, 'radius1'),\n\t\t\t\tradius2 = Base.readNamed(args, 'radius2'),\n\t\t\t\tstep = 360 / points,\n\t\t\t\tvector = new Point(0, -1),\n\t\t\t\tsegments = new Array(points);\n\t\t\tfor (var i = 0; i < points; i++)\n\t\t\t\tsegments[i] = new Segment(center.add(vector.rotate(step * i)\n\t\t\t\t\t\t.multiply(i % 2 ? radius2 : radius1)));\n\t\t\treturn createPath(segments, true, args);\n\t\t}\n\t};\n}});\n\nvar CompoundPath = PathItem.extend({\n\t_class: 'CompoundPath',\n\t_serializeFields: {\n\t\tchildren: []\n\t},\n\tbeans: true,\n\n\tinitialize: function CompoundPath(arg) {\n\t\tthis._children = [];\n\t\tthis._namedChildren = {};\n\t\tif (!this._initialize(arg)) {\n\t\t\tif (typeof arg === 'string') {\n\t\t\t\tthis.setPathData(arg);\n\t\t\t} else {\n\t\t\t\tthis.addChildren(Array.isArray(arg) ? arg : arguments);\n\t\t\t}\n\t\t}\n\t},\n\n\tinsertChildren: function insertChildren(index, items) {\n\t\tvar list = items,\n\t\t\tfirst = list[0];\n\t\tif (first && typeof first[0] === 'number')\n\t\t\tlist = [list];\n\t\tfor (var i = items.length - 1; i >= 0; i--) {\n\t\t\tvar item = list[i];\n\t\t\tif (list === items && !(item instanceof Path))\n\t\t\t\tlist = Base.slice(list);\n\t\t\tif (Array.isArray(item)) {\n\t\t\t\tlist[i] = new Path({ segments: item, insert: false });\n\t\t\t} else if (item instanceof CompoundPath) {\n\t\t\t\tlist.splice.apply(list, [i, 1].concat(item.removeChildren()));\n\t\t\t\titem.remove();\n\t\t\t}\n\t\t}\n\t\treturn insertChildren.base.call(this, index, list);\n\t},\n\n\treduce: function reduce(options) {\n\t\tvar children = this._children;\n\t\tfor (var i = children.length - 1; i >= 0; i--) {\n\t\t\tvar path = children[i].reduce(options);\n\t\t\tif (path.isEmpty())\n\t\t\t\tpath.remove();\n\t\t}\n\t\tif (!children.length) {\n\t\t\tvar path = new Path(Item.NO_INSERT);\n\t\t\tpath.copyAttributes(this);\n\t\t\tpath.insertAbove(this);\n\t\t\tthis.remove();\n\t\t\treturn path;\n\t\t}\n\t\treturn reduce.base.call(this);\n\t},\n\n\tisClosed: function() {\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tif (!children[i]._closed)\n\t\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t},\n\n\tsetClosed: function(closed) {\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tchildren[i].setClosed(closed);\n\t\t}\n\t},\n\n\tgetFirstSegment: function() {\n\t\tvar first = this.getFirstChild();\n\t\treturn first && first.getFirstSegment();\n\t},\n\n\tgetLastSegment: function() {\n\t\tvar last = this.getLastChild();\n\t\treturn last && last.getLastSegment();\n\t},\n\n\tgetCurves: function() {\n\t\tvar children = this._children,\n\t\t\tcurves = [];\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tBase.push(curves, children[i].getCurves());\n\t\t}\n\t\treturn curves;\n\t},\n\n\tgetFirstCurve: function() {\n\t\tvar first = this.getFirstChild();\n\t\treturn first && first.getFirstCurve();\n\t},\n\n\tgetLastCurve: function() {\n\t\tvar last = this.getLastChild();\n\t\treturn last && last.getLastCurve();\n\t},\n\n\tgetArea: function() {\n\t\tvar children = this._children,\n\t\t\tarea = 0;\n\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\tarea += children[i].getArea();\n\t\treturn area;\n\t},\n\n\tgetLength: function() {\n\t\tvar children = this._children,\n\t\t\tlength = 0;\n\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\tlength += children[i].getLength();\n\t\treturn length;\n\t},\n\n\tgetPathData: function(_matrix, _precision) {\n\t\tvar children = this._children,\n\t\t\tpaths = [];\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tvar child = children[i],\n\t\t\t\tmx = child._matrix;\n\t\t\tpaths.push(child.getPathData(_matrix && !mx.isIdentity()\n\t\t\t\t\t? _matrix.appended(mx) : _matrix, _precision));\n\t\t}\n\t\treturn paths.join('');\n\t},\n\n\t_hitTestChildren: function _hitTestChildren(point, options, viewMatrix) {\n\t\treturn _hitTestChildren.base.call(this, point,\n\t\t\t\toptions.class === Path || options.type === 'path' ? options\n\t\t\t\t\t: Base.set({}, options, { fill: false }),\n\t\t\t\tviewMatrix);\n\t},\n\n\t_draw: function(ctx, param, viewMatrix, strokeMatrix) {\n\t\tvar children = this._children;\n\t\tif (!children.length)\n\t\t\treturn;\n\n\t\tparam = param.extend({ dontStart: true, dontFinish: true });\n\t\tctx.beginPath();\n\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\tchildren[i].draw(ctx, param, strokeMatrix);\n\n\t\tif (!param.clip) {\n\t\t\tthis._setStyles(ctx, param, viewMatrix);\n\t\t\tvar style = this._style;\n\t\t\tif (style.hasFill()) {\n\t\t\t\tctx.fill(style.getFillRule());\n\t\t\t\tctx.shadowColor = 'rgba(0,0,0,0)';\n\t\t\t}\n\t\t\tif (style.hasStroke())\n\t\t\t\tctx.stroke();\n\t\t}\n\t},\n\n\t_drawSelected: function(ctx, matrix, selectionItems) {\n\t\tvar children = this._children;\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tvar child = children[i],\n\t\t\t\tmx = child._matrix;\n\t\t\tif (!selectionItems[child._id]) {\n\t\t\t\tchild._drawSelected(ctx, mx.isIdentity() ? matrix\n\t\t\t\t\t\t: matrix.appended(mx));\n\t\t\t}\n\t\t}\n\t}\n},\nnew function() {\n\tfunction getCurrentPath(that, check) {\n\t\tvar children = that._children;\n\t\tif (check && !children.length)\n\t\t\tthrow new Error('Use a moveTo() command first');\n\t\treturn children[children.length - 1];\n\t}\n\n\treturn Base.each(['lineTo', 'cubicCurveTo', 'quadraticCurveTo', 'curveTo',\n\t\t\t'arcTo', 'lineBy', 'cubicCurveBy', 'quadraticCurveBy', 'curveBy',\n\t\t\t'arcBy'],\n\t\tfunction(key) {\n\t\t\tthis[key] = function() {\n\t\t\t\tvar path = getCurrentPath(this, true);\n\t\t\t\tpath[key].apply(path, arguments);\n\t\t\t};\n\t\t}, {\n\t\t\tmoveTo: function() {\n\t\t\t\tvar current = getCurrentPath(this),\n\t\t\t\t\tpath = current && current.isEmpty() ? current\n\t\t\t\t\t\t\t: new Path(Item.NO_INSERT);\n\t\t\t\tif (path !== current)\n\t\t\t\t\tthis.addChild(path);\n\t\t\t\tpath.moveTo.apply(path, arguments);\n\t\t\t},\n\n\t\t\tmoveBy: function() {\n\t\t\t\tvar current = getCurrentPath(this, true),\n\t\t\t\t\tlast = current && current.getLastSegment(),\n\t\t\t\t\tpoint = Point.read(arguments);\n\t\t\t\tthis.moveTo(last ? point.add(last._point) : point);\n\t\t\t},\n\n\t\t\tclosePath: function(tolerance) {\n\t\t\t\tgetCurrentPath(this, true).closePath(tolerance);\n\t\t\t}\n\t\t}\n\t);\n}, Base.each(['reverse', 'flatten', 'simplify', 'smooth'], function(key) {\n\tthis[key] = function(param) {\n\t\tvar children = this._children,\n\t\t\tres;\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tres = children[i][key](param) || res;\n\t\t}\n\t\treturn res;\n\t};\n}, {}));\n\nPathItem.inject(new function() {\n\tvar min = Math.min,\n\t\tmax = Math.max,\n\t\tabs = Math.abs,\n\t\toperators = {\n\t\t\tunite:     { '1': true, '2': true },\n\t\t\tintersect: { '2': true },\n\t\t\tsubtract:  { '1': true },\n\t\t\texclude:   { '1': true, '-1': true }\n\t\t};\n\n\tfunction getPaths(path) {\n\t\treturn path._children || [path];\n\t}\n\n\tfunction preparePath(path, resolve) {\n\t\tvar res = path\n\t\t\t.clone(false)\n\t\t\t.reduce({ simplify: true })\n\t\t\t.transform(null, true, true);\n\t\tif (resolve) {\n\t\t\tvar paths = getPaths(res);\n\t\t\tfor (var i = 0, l = paths.length; i < l; i++) {\n\t\t\t\tvar path = paths[i];\n\t\t\t\tif (!path._closed && !path.isEmpty()) {\n\t\t\t\t\tpath.closePath(1e-12);\n\t\t\t\t\tpath.getFirstSegment().setHandleIn(0, 0);\n\t\t\t\t\tpath.getLastSegment().setHandleOut(0, 0);\n\t\t\t\t}\n\t\t\t}\n\t\t\tres = res\n\t\t\t\t.resolveCrossings()\n\t\t\t\t.reorient(res.getFillRule() === 'nonzero', true);\n\t\t}\n\t\treturn res;\n\t}\n\n\tfunction createResult(paths, simplify, path1, path2, options) {\n\t\tvar result = new CompoundPath(Item.NO_INSERT);\n\t\tresult.addChildren(paths, true);\n\t\tresult = result.reduce({ simplify: simplify });\n\t\tif (!(options && options.insert == false)) {\n\t\t\tresult.insertAbove(path2 && path1.isSibling(path2)\n\t\t\t\t\t&& path1.getIndex() < path2.getIndex() ? path2 : path1);\n\t\t}\n\t\tresult.copyAttributes(path1, true);\n\t\treturn result;\n\t}\n\n\tfunction filterIntersection(inter) {\n\t\treturn inter.hasOverlap() || inter.isCrossing();\n\t}\n\n\tfunction traceBoolean(path1, path2, operation, options) {\n\t\tif (options && (options.trace == false || options.stroke) &&\n\t\t\t\t/^(subtract|intersect)$/.test(operation))\n\t\t\treturn splitBoolean(path1, path2, operation);\n\t\tvar _path1 = preparePath(path1, true),\n\t\t\t_path2 = path2 && path1 !== path2 && preparePath(path2, true),\n\t\t\toperator = operators[operation];\n\t\toperator[operation] = true;\n\t\tif (_path2 && (operator.subtract || operator.exclude)\n\t\t\t\t^ (_path2.isClockwise() ^ _path1.isClockwise()))\n\t\t\t_path2.reverse();\n\t\tvar crossings = divideLocations(CurveLocation.expand(\n\t\t\t\t_path1.getIntersections(_path2, filterIntersection))),\n\t\t\tpaths1 = getPaths(_path1),\n\t\t\tpaths2 = _path2 && getPaths(_path2),\n\t\t\tsegments = [],\n\t\t\tcurves = [],\n\t\t\tpaths;\n\n\t\tfunction collectPaths(paths) {\n\t\t\tfor (var i = 0, l = paths.length; i < l; i++) {\n\t\t\t\tvar path = paths[i];\n\t\t\t\tBase.push(segments, path._segments);\n\t\t\t\tBase.push(curves, path.getCurves());\n\t\t\t\tpath._overlapsOnly = true;\n\t\t\t}\n\t\t}\n\n\t\tfunction getCurves(indices) {\n\t\t\tvar list = [];\n\t\t\tfor (var i = 0, l = indices && indices.length; i < l; i++) {\n\t\t\t\tlist.push(curves[indices[i]]);\n\t\t\t}\n\t\t\treturn list;\n\t\t}\n\n\t\tif (crossings.length) {\n\t\t\tcollectPaths(paths1);\n\t\t\tif (paths2)\n\t\t\t\tcollectPaths(paths2);\n\n\t\t\tvar curvesValues = new Array(curves.length);\n\t\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\t\tcurvesValues[i] = curves[i].getValues();\n\t\t\t}\n\t\t\tvar curveCollisions = CollisionDetection.findCurveBoundsCollisions(\n\t\t\t\t\tcurvesValues, curvesValues, 0, true);\n\t\t\tvar curveCollisionsMap = {};\n\t\t\tfor (var i = 0; i < curves.length; i++) {\n\t\t\t\tvar curve = curves[i],\n\t\t\t\t\tid = curve._path._id,\n\t\t\t\t\tmap = curveCollisionsMap[id] = curveCollisionsMap[id] || {};\n\t\t\t\tmap[curve.getIndex()] = {\n\t\t\t\t\thor: getCurves(curveCollisions[i].hor),\n\t\t\t\t\tver: getCurves(curveCollisions[i].ver)\n\t\t\t\t};\n\t\t\t}\n\n\t\t\tfor (var i = 0, l = crossings.length; i < l; i++) {\n\t\t\t\tpropagateWinding(crossings[i]._segment, _path1, _path2,\n\t\t\t\t\t\tcurveCollisionsMap, operator);\n\t\t\t}\n\t\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\t\tvar segment = segments[i],\n\t\t\t\t\tinter = segment._intersection;\n\t\t\t\tif (!segment._winding) {\n\t\t\t\t\tpropagateWinding(segment, _path1, _path2,\n\t\t\t\t\t\t\tcurveCollisionsMap, operator);\n\t\t\t\t}\n\t\t\t\tif (!(inter && inter._overlap))\n\t\t\t\t\tsegment._path._overlapsOnly = false;\n\t\t\t}\n\t\t\tpaths = tracePaths(segments, operator);\n\t\t} else {\n\t\t\tpaths = reorientPaths(\n\t\t\t\t\tpaths2 ? paths1.concat(paths2) : paths1.slice(),\n\t\t\t\t\tfunction(w) {\n\t\t\t\t\t\treturn !!operator[w];\n\t\t\t\t\t});\n\t\t}\n\t\treturn createResult(paths, true, path1, path2, options);\n\t}\n\n\tfunction splitBoolean(path1, path2, operation) {\n\t\tvar _path1 = preparePath(path1),\n\t\t\t_path2 = preparePath(path2),\n\t\t\tcrossings = _path1.getIntersections(_path2, filterIntersection),\n\t\t\tsubtract = operation === 'subtract',\n\t\t\tdivide = operation === 'divide',\n\t\t\tadded = {},\n\t\t\tpaths = [];\n\n\t\tfunction addPath(path) {\n\t\t\tif (!added[path._id] && (divide ||\n\t\t\t\t\t_path2.contains(path.getPointAt(path.getLength() / 2))\n\t\t\t\t\t\t^ subtract)) {\n\t\t\t\tpaths.unshift(path);\n\t\t\t\treturn added[path._id] = true;\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = crossings.length - 1; i >= 0; i--) {\n\t\t\tvar path = crossings[i].split();\n\t\t\tif (path) {\n\t\t\t\tif (addPath(path))\n\t\t\t\t\tpath.getFirstSegment().setHandleIn(0, 0);\n\t\t\t\t_path1.getLastSegment().setHandleOut(0, 0);\n\t\t\t}\n\t\t}\n\t\taddPath(_path1);\n\t\treturn createResult(paths, false, path1, path2);\n\t}\n\n\tfunction linkIntersections(from, to) {\n\t\tvar prev = from;\n\t\twhile (prev) {\n\t\t\tif (prev === to)\n\t\t\t\treturn;\n\t\t\tprev = prev._previous;\n\t\t}\n\t\twhile (from._next && from._next !== to)\n\t\t\tfrom = from._next;\n\t\tif (!from._next) {\n\t\t\twhile (to._previous)\n\t\t\t\tto = to._previous;\n\t\t\tfrom._next = to;\n\t\t\tto._previous = from;\n\t\t}\n\t}\n\n\tfunction clearCurveHandles(curves) {\n\t\tfor (var i = curves.length - 1; i >= 0; i--)\n\t\t\tcurves[i].clearHandles();\n\t}\n\n\tfunction reorientPaths(paths, isInside, clockwise) {\n\t\tvar length = paths && paths.length;\n\t\tif (length) {\n\t\t\tvar lookup = Base.each(paths, function (path, i) {\n\t\t\t\t\tthis[path._id] = {\n\t\t\t\t\t\tcontainer: null,\n\t\t\t\t\t\twinding: path.isClockwise() ? 1 : -1,\n\t\t\t\t\t\tindex: i\n\t\t\t\t\t};\n\t\t\t\t}, {}),\n\t\t\t\tsorted = paths.slice().sort(function (a, b) {\n\t\t\t\t\treturn abs(b.getArea()) - abs(a.getArea());\n\t\t\t\t}),\n\t\t\t\tfirst = sorted[0];\n\t\t\tvar collisions = CollisionDetection.findItemBoundsCollisions(sorted,\n\t\t\t\t\tnull, Numerical.GEOMETRIC_EPSILON);\n\t\t\tif (clockwise == null)\n\t\t\t\tclockwise = first.isClockwise();\n\t\t\tfor (var i = 0; i < length; i++) {\n\t\t\t\tvar path1 = sorted[i],\n\t\t\t\t\tentry1 = lookup[path1._id],\n\t\t\t\t\tcontainerWinding = 0,\n\t\t\t\t\tindices = collisions[i];\n\t\t\t\tif (indices) {\n\t\t\t\t\tvar point = null;\n\t\t\t\t\tfor (var j = indices.length - 1; j >= 0; j--) {\n\t\t\t\t\t\tif (indices[j] < i) {\n\t\t\t\t\t\t\tpoint = point || path1.getInteriorPoint();\n\t\t\t\t\t\t\tvar path2 = sorted[indices[j]];\n\t\t\t\t\t\t\tif (path2.contains(point)) {\n\t\t\t\t\t\t\t\tvar entry2 = lookup[path2._id];\n\t\t\t\t\t\t\t\tcontainerWinding = entry2.winding;\n\t\t\t\t\t\t\t\tentry1.winding += containerWinding;\n\t\t\t\t\t\t\t\tentry1.container = entry2.exclude\n\t\t\t\t\t\t\t\t\t? entry2.container : path2;\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (isInside(entry1.winding) === isInside(containerWinding)) {\n\t\t\t\t\tentry1.exclude = true;\n\t\t\t\t\tpaths[entry1.index] = null;\n\t\t\t\t} else {\n\t\t\t\t\tvar container = entry1.container;\n\t\t\t\t\tpath1.setClockwise(\n\t\t\t\t\t\t\tcontainer ? !container.isClockwise() : clockwise);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn paths;\n\t}\n\n\tfunction divideLocations(locations, include, clearLater) {\n\t\tvar results = include && [],\n\t\t\ttMin = 1e-8,\n\t\t\ttMax = 1 - tMin,\n\t\t\tclearHandles = false,\n\t\t\tclearCurves = clearLater || [],\n\t\t\tclearLookup = clearLater && {},\n\t\t\trenormalizeLocs,\n\t\t\tprevCurve,\n\t\t\tprevTime;\n\n\t\tfunction getId(curve) {\n\t\t\treturn curve._path._id + '.' + curve._segment1._index;\n\t\t}\n\n\t\tfor (var i = (clearLater && clearLater.length) - 1; i >= 0; i--) {\n\t\t\tvar curve = clearLater[i];\n\t\t\tif (curve._path)\n\t\t\t\tclearLookup[getId(curve)] = true;\n\t\t}\n\n\t\tfor (var i = locations.length - 1; i >= 0; i--) {\n\t\t\tvar loc = locations[i],\n\t\t\t\ttime = loc._time,\n\t\t\t\torigTime = time,\n\t\t\t\texclude = include && !include(loc),\n\t\t\t\tcurve = loc._curve,\n\t\t\t\tsegment;\n\t\t\tif (curve) {\n\t\t\t\tif (curve !== prevCurve) {\n\t\t\t\t\tclearHandles = !curve.hasHandles()\n\t\t\t\t\t\t\t|| clearLookup && clearLookup[getId(curve)];\n\t\t\t\t\trenormalizeLocs = [];\n\t\t\t\t\tprevTime = null;\n\t\t\t\t\tprevCurve = curve;\n\t\t\t\t} else if (prevTime >= tMin) {\n\t\t\t\t\ttime /= prevTime;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (exclude) {\n\t\t\t\tif (renormalizeLocs)\n\t\t\t\t\trenormalizeLocs.push(loc);\n\t\t\t\tcontinue;\n\t\t\t} else if (include) {\n\t\t\t\tresults.unshift(loc);\n\t\t\t}\n\t\t\tprevTime = origTime;\n\t\t\tif (time < tMin) {\n\t\t\t\tsegment = curve._segment1;\n\t\t\t} else if (time > tMax) {\n\t\t\t\tsegment = curve._segment2;\n\t\t\t} else {\n\t\t\t\tvar newCurve = curve.divideAtTime(time, true);\n\t\t\t\tif (clearHandles)\n\t\t\t\t\tclearCurves.push(curve, newCurve);\n\t\t\t\tsegment = newCurve._segment1;\n\t\t\t\tfor (var j = renormalizeLocs.length - 1; j >= 0; j--) {\n\t\t\t\t\tvar l = renormalizeLocs[j];\n\t\t\t\t\tl._time = (l._time - time) / (1 - time);\n\t\t\t\t}\n\t\t\t}\n\t\t\tloc._setSegment(segment);\n\t\t\tvar inter = segment._intersection,\n\t\t\t\tdest = loc._intersection;\n\t\t\tif (inter) {\n\t\t\t\tlinkIntersections(inter, dest);\n\t\t\t\tvar other = inter;\n\t\t\t\twhile (other) {\n\t\t\t\t\tlinkIntersections(other._intersection, inter);\n\t\t\t\t\tother = other._next;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tsegment._intersection = dest;\n\t\t\t}\n\t\t}\n\t\tif (!clearLater)\n\t\t\tclearCurveHandles(clearCurves);\n\t\treturn results || locations;\n\t}\n\n\tfunction getWinding(point, curves, dir, closed, dontFlip) {\n\t\tvar curvesList = Array.isArray(curves)\n\t\t\t? curves\n\t\t\t: curves[dir ? 'hor' : 'ver'];\n\t\tvar ia = dir ? 1 : 0,\n\t\t\tio = ia ^ 1,\n\t\t\tpv = [point.x, point.y],\n\t\t\tpa = pv[ia],\n\t\t\tpo = pv[io],\n\t\t\twindingEpsilon = 1e-9,\n\t\t\tqualityEpsilon = 1e-6,\n\t\t\tpaL = pa - windingEpsilon,\n\t\t\tpaR = pa + windingEpsilon,\n\t\t\twindingL = 0,\n\t\t\twindingR = 0,\n\t\t\tpathWindingL = 0,\n\t\t\tpathWindingR = 0,\n\t\t\tonPath = false,\n\t\t\tonAnyPath = false,\n\t\t\tquality = 1,\n\t\t\troots = [],\n\t\t\tvPrev,\n\t\t\tvClose;\n\n\t\tfunction addWinding(v) {\n\t\t\tvar o0 = v[io + 0],\n\t\t\t\to3 = v[io + 6];\n\t\t\tif (po < min(o0, o3) || po > max(o0, o3)) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tvar a0 = v[ia + 0],\n\t\t\t\ta1 = v[ia + 2],\n\t\t\t\ta2 = v[ia + 4],\n\t\t\t\ta3 = v[ia + 6];\n\t\t\tif (o0 === o3) {\n\t\t\t\tif (a0 < paR && a3 > paL || a3 < paR && a0 > paL) {\n\t\t\t\t\tonPath = true;\n\t\t\t\t}\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tvar t =   po === o0 ? 0\n\t\t\t\t\t: po === o3 ? 1\n\t\t\t\t\t: paL > max(a0, a1, a2, a3) || paR < min(a0, a1, a2, a3)\n\t\t\t\t\t? 1\n\t\t\t\t\t: Curve.solveCubic(v, io, po, roots, 0, 1) > 0\n\t\t\t\t\t\t? roots[0]\n\t\t\t\t\t\t: 1,\n\t\t\t\ta =   t === 0 ? a0\n\t\t\t\t\t: t === 1 ? a3\n\t\t\t\t\t: Curve.getPoint(v, t)[dir ? 'y' : 'x'],\n\t\t\t\twinding = o0 > o3 ? 1 : -1,\n\t\t\t\twindingPrev = vPrev[io] > vPrev[io + 6] ? 1 : -1,\n\t\t\t\ta3Prev = vPrev[ia + 6];\n\t\t\tif (po !== o0) {\n\t\t\t\tif (a < paL) {\n\t\t\t\t\tpathWindingL += winding;\n\t\t\t\t} else if (a > paR) {\n\t\t\t\t\tpathWindingR += winding;\n\t\t\t\t} else {\n\t\t\t\t\tonPath = true;\n\t\t\t\t}\n\t\t\t\tif (a > pa - qualityEpsilon && a < pa + qualityEpsilon)\n\t\t\t\t\tquality /= 2;\n\t\t\t} else {\n\t\t\t\tif (winding !== windingPrev) {\n\t\t\t\t\tif (a0 < paL) {\n\t\t\t\t\t\tpathWindingL += winding;\n\t\t\t\t\t} else if (a0 > paR) {\n\t\t\t\t\t\tpathWindingR += winding;\n\t\t\t\t\t}\n\t\t\t\t} else if (a0 != a3Prev) {\n\t\t\t\t\tif (a3Prev < paR && a > paR) {\n\t\t\t\t\t\tpathWindingR += winding;\n\t\t\t\t\t\tonPath = true;\n\t\t\t\t\t} else if (a3Prev > paL && a < paL) {\n\t\t\t\t\t\tpathWindingL += winding;\n\t\t\t\t\t\tonPath = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tquality /= 4;\n\t\t\t}\n\t\t\tvPrev = v;\n\t\t\treturn !dontFlip && a > paL && a < paR\n\t\t\t\t\t&& Curve.getTangent(v, t)[dir ? 'x' : 'y'] === 0\n\t\t\t\t\t&& getWinding(point, curves, !dir, closed, true);\n\t\t}\n\n\t\tfunction handleCurve(v) {\n\t\t\tvar o0 = v[io + 0],\n\t\t\t\to1 = v[io + 2],\n\t\t\t\to2 = v[io + 4],\n\t\t\t\to3 = v[io + 6];\n\t\t\tif (po <= max(o0, o1, o2, o3) && po >= min(o0, o1, o2, o3)) {\n\t\t\t\tvar a0 = v[ia + 0],\n\t\t\t\t\ta1 = v[ia + 2],\n\t\t\t\t\ta2 = v[ia + 4],\n\t\t\t\t\ta3 = v[ia + 6],\n\t\t\t\t\tmonoCurves = paL > max(a0, a1, a2, a3) ||\n\t\t\t\t\t\t\t\t paR < min(a0, a1, a2, a3)\n\t\t\t\t\t\t\t? [v] : Curve.getMonoCurves(v, dir),\n\t\t\t\t\tres;\n\t\t\t\tfor (var i = 0, l = monoCurves.length; i < l; i++) {\n\t\t\t\t\tif (res = addWinding(monoCurves[i]))\n\t\t\t\t\t\treturn res;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = 0, l = curvesList.length; i < l; i++) {\n\t\t\tvar curve = curvesList[i],\n\t\t\t\tpath = curve._path,\n\t\t\t\tv = curve.getValues(),\n\t\t\t\tres;\n\t\t\tif (!i || curvesList[i - 1]._path !== path) {\n\t\t\t\tvPrev = null;\n\t\t\t\tif (!path._closed) {\n\t\t\t\t\tvClose = Curve.getValues(\n\t\t\t\t\t\t\tpath.getLastCurve().getSegment2(),\n\t\t\t\t\t\t\tcurve.getSegment1(),\n\t\t\t\t\t\t\tnull, !closed);\n\t\t\t\t\tif (vClose[io] !== vClose[io + 6]) {\n\t\t\t\t\t\tvPrev = vClose;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (!vPrev) {\n\t\t\t\t\tvPrev = v;\n\t\t\t\t\tvar prev = path.getLastCurve();\n\t\t\t\t\twhile (prev && prev !== curve) {\n\t\t\t\t\t\tvar v2 = prev.getValues();\n\t\t\t\t\t\tif (v2[io] !== v2[io + 6]) {\n\t\t\t\t\t\t\tvPrev = v2;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tprev = prev.getPrevious();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (res = handleCurve(v))\n\t\t\t\treturn res;\n\n\t\t\tif (i + 1 === l || curvesList[i + 1]._path !== path) {\n\t\t\t\tif (vClose && (res = handleCurve(vClose)))\n\t\t\t\t\treturn res;\n\t\t\t\tif (onPath && !pathWindingL && !pathWindingR) {\n\t\t\t\t\tpathWindingL = pathWindingR = path.isClockwise(closed) ^ dir\n\t\t\t\t\t\t\t? 1 : -1;\n\t\t\t\t}\n\t\t\t\twindingL += pathWindingL;\n\t\t\t\twindingR += pathWindingR;\n\t\t\t\tpathWindingL = pathWindingR = 0;\n\t\t\t\tif (onPath) {\n\t\t\t\t\tonAnyPath = true;\n\t\t\t\t\tonPath = false;\n\t\t\t\t}\n\t\t\t\tvClose = null;\n\t\t\t}\n\t\t}\n\t\twindingL = abs(windingL);\n\t\twindingR = abs(windingR);\n\t\treturn {\n\t\t\twinding: max(windingL, windingR),\n\t\t\twindingL: windingL,\n\t\t\twindingR: windingR,\n\t\t\tquality: quality,\n\t\t\tonPath: onAnyPath\n\t\t};\n\t}\n\n\tfunction propagateWinding(segment, path1, path2, curveCollisionsMap,\n\t\t\toperator) {\n\t\tvar chain = [],\n\t\t\tstart = segment,\n\t\t\ttotalLength = 0,\n\t\t\twinding;\n\t\tdo {\n\t\t\tvar curve = segment.getCurve();\n\t\t\tif (curve) {\n\t\t\t\tvar length = curve.getLength();\n\t\t\t\tchain.push({ segment: segment, curve: curve, length: length });\n\t\t\t\ttotalLength += length;\n\t\t\t}\n\t\t\tsegment = segment.getNext();\n\t\t} while (segment && !segment._intersection && segment !== start);\n\t\tvar offsets = [0.5, 0.25, 0.75],\n\t\t\twinding = { winding: 0, quality: -1 },\n\t\t\ttMin = 1e-3,\n\t\t\ttMax = 1 - tMin;\n\t\tfor (var i = 0; i < offsets.length && winding.quality < 0.5; i++) {\n\t\t\tvar length = totalLength * offsets[i];\n\t\t\tfor (var j = 0, l = chain.length; j < l; j++) {\n\t\t\t\tvar entry = chain[j],\n\t\t\t\t\tcurveLength = entry.length;\n\t\t\t\tif (length <= curveLength) {\n\t\t\t\t\tvar curve = entry.curve,\n\t\t\t\t\t\tpath = curve._path,\n\t\t\t\t\t\tparent = path._parent,\n\t\t\t\t\t\toperand = parent instanceof CompoundPath ? parent : path,\n\t\t\t\t\t\tt = Numerical.clamp(curve.getTimeAt(length), tMin, tMax),\n\t\t\t\t\t\tpt = curve.getPointAtTime(t),\n\t\t\t\t\t\tdir = abs(curve.getTangentAtTime(t).y) < Math.SQRT1_2;\n\t\t\t\t\tvar wind = null;\n\t\t\t\t\tif (operator.subtract && path2) {\n\t\t\t\t\t\tvar otherPath = operand === path1 ? path2 : path1,\n\t\t\t\t\t\t\tpathWinding = otherPath._getWinding(pt, dir, true);\n\t\t\t\t\t\tif (operand === path1 && pathWinding.winding ||\n\t\t\t\t\t\t\toperand === path2 && !pathWinding.winding) {\n\t\t\t\t\t\t\tif (pathWinding.quality < 1) {\n\t\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\twind = { winding: 0, quality: 1 };\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\twind =  wind || getWinding(\n\t\t\t\t\t\t\tpt, curveCollisionsMap[path._id][curve.getIndex()],\n\t\t\t\t\t\t\tdir, true);\n\t\t\t\t\tif (wind.quality > winding.quality)\n\t\t\t\t\t\twinding = wind;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tlength -= curveLength;\n\t\t\t}\n\t\t}\n\t\tfor (var j = chain.length - 1; j >= 0; j--) {\n\t\t\tchain[j].segment._winding = winding;\n\t\t}\n\t}\n\n\tfunction tracePaths(segments, operator) {\n\t\tvar paths = [],\n\t\t\tstarts;\n\n\t\tfunction isValid(seg) {\n\t\t\tvar winding;\n\t\t\treturn !!(seg && !seg._visited && (!operator\n\t\t\t\t\t|| operator[(winding = seg._winding || {}).winding]\n\t\t\t\t\t\t&& !(operator.unite && winding.winding === 2\n\t\t\t\t\t\t\t&& winding.windingL && winding.windingR)));\n\t\t}\n\n\t\tfunction isStart(seg) {\n\t\t\tif (seg) {\n\t\t\t\tfor (var i = 0, l = starts.length; i < l; i++) {\n\t\t\t\t\tif (seg === starts[i])\n\t\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\t\tfunction visitPath(path) {\n\t\t\tvar segments = path._segments;\n\t\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\t\tsegments[i]._visited = true;\n\t\t\t}\n\t\t}\n\n\t\tfunction getCrossingSegments(segment, collectStarts) {\n\t\t\tvar inter = segment._intersection,\n\t\t\t\tstart = inter,\n\t\t\t\tcrossings = [];\n\t\t\tif (collectStarts)\n\t\t\t\tstarts = [segment];\n\n\t\t\tfunction collect(inter, end) {\n\t\t\t\twhile (inter && inter !== end) {\n\t\t\t\t\tvar other = inter._segment,\n\t\t\t\t\t\tpath = other && other._path;\n\t\t\t\t\tif (path) {\n\t\t\t\t\t\tvar next = other.getNext() || path.getFirstSegment(),\n\t\t\t\t\t\t\tnextInter = next._intersection;\n\t\t\t\t\t\tif (other !== segment && (isStart(other)\n\t\t\t\t\t\t\t|| isStart(next)\n\t\t\t\t\t\t\t|| next && (isValid(other) && (isValid(next)\n\t\t\t\t\t\t\t\t|| nextInter && isValid(nextInter._segment))))\n\t\t\t\t\t\t) {\n\t\t\t\t\t\t\tcrossings.push(other);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (collectStarts)\n\t\t\t\t\t\t\tstarts.push(other);\n\t\t\t\t\t}\n\t\t\t\t\tinter = inter._next;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (inter) {\n\t\t\t\tcollect(inter);\n\t\t\t\twhile (inter && inter._previous)\n\t\t\t\t\tinter = inter._previous;\n\t\t\t\tcollect(inter, start);\n\t\t\t}\n\t\t\treturn crossings;\n\t\t}\n\n\t\tsegments.sort(function(seg1, seg2) {\n\t\t\tvar inter1 = seg1._intersection,\n\t\t\t\tinter2 = seg2._intersection,\n\t\t\t\tover1 = !!(inter1 && inter1._overlap),\n\t\t\t\tover2 = !!(inter2 && inter2._overlap),\n\t\t\t\tpath1 = seg1._path,\n\t\t\t\tpath2 = seg2._path;\n\t\t\treturn over1 ^ over2\n\t\t\t\t\t? over1 ? 1 : -1\n\t\t\t\t\t: !inter1 ^ !inter2\n\t\t\t\t\t\t? inter1 ? 1 : -1\n\t\t\t\t\t\t: path1 !== path2\n\t\t\t\t\t\t\t? path1._id - path2._id\n\t\t\t\t\t\t\t: seg1._index - seg2._index;\n\t\t});\n\n\t\tfor (var i = 0, l = segments.length; i < l; i++) {\n\t\t\tvar seg = segments[i],\n\t\t\t\tvalid = isValid(seg),\n\t\t\t\tpath = null,\n\t\t\t\tfinished = false,\n\t\t\t\tclosed = true,\n\t\t\t\tbranches = [],\n\t\t\t\tbranch,\n\t\t\t\tvisited,\n\t\t\t\thandleIn;\n\t\t\tif (valid && seg._path._overlapsOnly) {\n\t\t\t\tvar path1 = seg._path,\n\t\t\t\t\tpath2 = seg._intersection._segment._path;\n\t\t\t\tif (path1.compare(path2)) {\n\t\t\t\t\tif (path1.getArea())\n\t\t\t\t\t\tpaths.push(path1.clone(false));\n\t\t\t\t\tvisitPath(path1);\n\t\t\t\t\tvisitPath(path2);\n\t\t\t\t\tvalid = false;\n\t\t\t\t}\n\t\t\t}\n\t\t\twhile (valid) {\n\t\t\t\tvar first = !path,\n\t\t\t\t\tcrossings = getCrossingSegments(seg, first),\n\t\t\t\t\tother = crossings.shift(),\n\t\t\t\t\tfinished = !first && (isStart(seg) || isStart(other)),\n\t\t\t\t\tcross = !finished && other;\n\t\t\t\tif (first) {\n\t\t\t\t\tpath = new Path(Item.NO_INSERT);\n\t\t\t\t\tbranch = null;\n\t\t\t\t}\n\t\t\t\tif (finished) {\n\t\t\t\t\tif (seg.isFirst() || seg.isLast())\n\t\t\t\t\t\tclosed = seg._path._closed;\n\t\t\t\t\tseg._visited = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif (cross && branch) {\n\t\t\t\t\tbranches.push(branch);\n\t\t\t\t\tbranch = null;\n\t\t\t\t}\n\t\t\t\tif (!branch) {\n\t\t\t\t\tif (cross)\n\t\t\t\t\t\tcrossings.push(seg);\n\t\t\t\t\tbranch = {\n\t\t\t\t\t\tstart: path._segments.length,\n\t\t\t\t\t\tcrossings: crossings,\n\t\t\t\t\t\tvisited: visited = [],\n\t\t\t\t\t\thandleIn: handleIn\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t\tif (cross)\n\t\t\t\t\tseg = other;\n\t\t\t\tif (!isValid(seg)) {\n\t\t\t\t\tpath.removeSegments(branch.start);\n\t\t\t\t\tfor (var j = 0, k = visited.length; j < k; j++) {\n\t\t\t\t\t\tvisited[j]._visited = false;\n\t\t\t\t\t}\n\t\t\t\t\tvisited.length = 0;\n\t\t\t\t\tdo {\n\t\t\t\t\t\tseg = branch && branch.crossings.shift();\n\t\t\t\t\t\tif (!seg || !seg._path) {\n\t\t\t\t\t\t\tseg = null;\n\t\t\t\t\t\t\tbranch = branches.pop();\n\t\t\t\t\t\t\tif (branch) {\n\t\t\t\t\t\t\t\tvisited = branch.visited;\n\t\t\t\t\t\t\t\thandleIn = branch.handleIn;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t} while (branch && !isValid(seg));\n\t\t\t\t\tif (!seg)\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tvar next = seg.getNext();\n\t\t\t\tpath.add(new Segment(seg._point, handleIn,\n\t\t\t\t\t\tnext && seg._handleOut));\n\t\t\t\tseg._visited = true;\n\t\t\t\tvisited.push(seg);\n\t\t\t\tseg = next || seg._path.getFirstSegment();\n\t\t\t\thandleIn = next && next._handleIn;\n\t\t\t}\n\t\t\tif (finished) {\n\t\t\t\tif (closed) {\n\t\t\t\t\tpath.getFirstSegment().setHandleIn(handleIn);\n\t\t\t\t\tpath.setClosed(closed);\n\t\t\t\t}\n\t\t\t\tif (path.getArea() !== 0) {\n\t\t\t\t\tpaths.push(path);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn paths;\n\t}\n\n\treturn {\n\t\t_getWinding: function(point, dir, closed) {\n\t\t\treturn getWinding(point, this.getCurves(), dir, closed);\n\t\t},\n\n\t\tunite: function(path, options) {\n\t\t\treturn traceBoolean(this, path, 'unite', options);\n\t\t},\n\n\t\tintersect: function(path, options) {\n\t\t\treturn traceBoolean(this, path, 'intersect', options);\n\t\t},\n\n\t\tsubtract: function(path, options) {\n\t\t\treturn traceBoolean(this, path, 'subtract', options);\n\t\t},\n\n\t\texclude: function(path, options) {\n\t\t\treturn traceBoolean(this, path, 'exclude', options);\n\t\t},\n\n\t\tdivide: function(path, options) {\n\t\t\treturn options && (options.trace == false || options.stroke)\n\t\t\t\t\t? splitBoolean(this, path, 'divide')\n\t\t\t\t\t: createResult([\n\t\t\t\t\t\tthis.subtract(path, options),\n\t\t\t\t\t\tthis.intersect(path, options)\n\t\t\t\t\t], true, this, path, options);\n\t\t},\n\n\t\tresolveCrossings: function() {\n\t\t\tvar children = this._children,\n\t\t\t\tpaths = children || [this];\n\n\t\t\tfunction hasOverlap(seg, path) {\n\t\t\t\tvar inter = seg && seg._intersection;\n\t\t\t\treturn inter && inter._overlap && inter._path === path;\n\t\t\t}\n\n\t\t\tvar hasOverlaps = false,\n\t\t\t\thasCrossings = false,\n\t\t\t\tintersections = this.getIntersections(null, function(inter) {\n\t\t\t\t\treturn inter.hasOverlap() && (hasOverlaps = true) ||\n\t\t\t\t\t\t\tinter.isCrossing() && (hasCrossings = true);\n\t\t\t\t}),\n\t\t\t\tclearCurves = hasOverlaps && hasCrossings && [];\n\t\t\tintersections = CurveLocation.expand(intersections);\n\t\t\tif (hasOverlaps) {\n\t\t\t\tvar overlaps = divideLocations(intersections, function(inter) {\n\t\t\t\t\treturn inter.hasOverlap();\n\t\t\t\t}, clearCurves);\n\t\t\t\tfor (var i = overlaps.length - 1; i >= 0; i--) {\n\t\t\t\t\tvar overlap = overlaps[i],\n\t\t\t\t\t\tpath = overlap._path,\n\t\t\t\t\t\tseg = overlap._segment,\n\t\t\t\t\t\tprev = seg.getPrevious(),\n\t\t\t\t\t\tnext = seg.getNext();\n\t\t\t\t\tif (hasOverlap(prev, path) && hasOverlap(next, path)) {\n\t\t\t\t\t\tseg.remove();\n\t\t\t\t\t\tprev._handleOut._set(0, 0);\n\t\t\t\t\t\tnext._handleIn._set(0, 0);\n\t\t\t\t\t\tif (prev !== seg && !prev.getCurve().hasLength()) {\n\t\t\t\t\t\t\tnext._handleIn.set(prev._handleIn);\n\t\t\t\t\t\t\tprev.remove();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (hasCrossings) {\n\t\t\t\tdivideLocations(intersections, hasOverlaps && function(inter) {\n\t\t\t\t\tvar curve1 = inter.getCurve(),\n\t\t\t\t\t\tseg1 = inter.getSegment(),\n\t\t\t\t\t\tother = inter._intersection,\n\t\t\t\t\t\tcurve2 = other._curve,\n\t\t\t\t\t\tseg2 = other._segment;\n\t\t\t\t\tif (curve1 && curve2 && curve1._path && curve2._path)\n\t\t\t\t\t\treturn true;\n\t\t\t\t\tif (seg1)\n\t\t\t\t\t\tseg1._intersection = null;\n\t\t\t\t\tif (seg2)\n\t\t\t\t\t\tseg2._intersection = null;\n\t\t\t\t}, clearCurves);\n\t\t\t\tif (clearCurves)\n\t\t\t\t\tclearCurveHandles(clearCurves);\n\t\t\t\tpaths = tracePaths(Base.each(paths, function(path) {\n\t\t\t\t\tBase.push(this, path._segments);\n\t\t\t\t}, []));\n\t\t\t}\n\t\t\tvar length = paths.length,\n\t\t\t\titem;\n\t\t\tif (length > 1 && children) {\n\t\t\t\tif (paths !== children)\n\t\t\t\t\tthis.setChildren(paths);\n\t\t\t\titem = this;\n\t\t\t} else if (length === 1 && !children) {\n\t\t\t\tif (paths[0] !== this)\n\t\t\t\t\tthis.setSegments(paths[0].removeSegments());\n\t\t\t\titem = this;\n\t\t\t}\n\t\t\tif (!item) {\n\t\t\t\titem = new CompoundPath(Item.NO_INSERT);\n\t\t\t\titem.addChildren(paths);\n\t\t\t\titem = item.reduce();\n\t\t\t\titem.copyAttributes(this);\n\t\t\t\tthis.replaceWith(item);\n\t\t\t}\n\t\t\treturn item;\n\t\t},\n\n\t\treorient: function(nonZero, clockwise) {\n\t\t\tvar children = this._children;\n\t\t\tif (children && children.length) {\n\t\t\t\tthis.setChildren(reorientPaths(this.removeChildren(),\n\t\t\t\t\t\tfunction(w) {\n\t\t\t\t\t\t\treturn !!(nonZero ? w : w & 1);\n\t\t\t\t\t\t},\n\t\t\t\t\t\tclockwise));\n\t\t\t} else if (clockwise !== undefined) {\n\t\t\t\tthis.setClockwise(clockwise);\n\t\t\t}\n\t\t\treturn this;\n\t\t},\n\n\t\tgetInteriorPoint: function() {\n\t\t\tvar bounds = this.getBounds(),\n\t\t\t\tpoint = bounds.getCenter(true);\n\t\t\tif (!this.contains(point)) {\n\t\t\t\tvar curves = this.getCurves(),\n\t\t\t\t\ty = point.y,\n\t\t\t\t\tintercepts = [],\n\t\t\t\t\troots = [];\n\t\t\t\tfor (var i = 0, l = curves.length; i < l; i++) {\n\t\t\t\t\tvar v = curves[i].getValues(),\n\t\t\t\t\t\to0 = v[1],\n\t\t\t\t\t\to1 = v[3],\n\t\t\t\t\t\to2 = v[5],\n\t\t\t\t\t\to3 = v[7];\n\t\t\t\t\tif (y >= min(o0, o1, o2, o3) && y <= max(o0, o1, o2, o3)) {\n\t\t\t\t\t\tvar monoCurves = Curve.getMonoCurves(v);\n\t\t\t\t\t\tfor (var j = 0, m = monoCurves.length; j < m; j++) {\n\t\t\t\t\t\t\tvar mv = monoCurves[j],\n\t\t\t\t\t\t\t\tmo0 = mv[1],\n\t\t\t\t\t\t\t\tmo3 = mv[7];\n\t\t\t\t\t\t\tif ((mo0 !== mo3) &&\n\t\t\t\t\t\t\t\t(y >= mo0 && y <= mo3 || y >= mo3 && y <= mo0)){\n\t\t\t\t\t\t\t\tvar x = y === mo0 ? mv[0]\n\t\t\t\t\t\t\t\t\t: y === mo3 ? mv[6]\n\t\t\t\t\t\t\t\t\t: Curve.solveCubic(mv, 1, y, roots, 0, 1)\n\t\t\t\t\t\t\t\t\t\t=== 1\n\t\t\t\t\t\t\t\t\t\t? Curve.getPoint(mv, roots[0]).x\n\t\t\t\t\t\t\t\t\t\t: (mv[0] + mv[6]) / 2;\n\t\t\t\t\t\t\t\tintercepts.push(x);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (intercepts.length > 1) {\n\t\t\t\t\tintercepts.sort(function(a, b) { return a - b; });\n\t\t\t\t\tpoint.x = (intercepts[0] + intercepts[1]) / 2;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn point;\n\t\t}\n\t};\n});\n\nvar PathFlattener = Base.extend({\n\t_class: 'PathFlattener',\n\n\tinitialize: function(path, flatness, maxRecursion, ignoreStraight, matrix) {\n\t\tvar curves = [],\n\t\t\tparts = [],\n\t\t\tlength = 0,\n\t\t\tminSpan = 1 / (maxRecursion || 32),\n\t\t\tsegments = path._segments,\n\t\t\tsegment1 = segments[0],\n\t\t\tsegment2;\n\n\t\tfunction addCurve(segment1, segment2) {\n\t\t\tvar curve = Curve.getValues(segment1, segment2, matrix);\n\t\t\tcurves.push(curve);\n\t\t\tcomputeParts(curve, segment1._index, 0, 1);\n\t\t}\n\n\t\tfunction computeParts(curve, index, t1, t2) {\n\t\t\tif ((t2 - t1) > minSpan\n\t\t\t\t\t&& !(ignoreStraight && Curve.isStraight(curve))\n\t\t\t\t\t&& !Curve.isFlatEnough(curve, flatness || 0.25)) {\n\t\t\t\tvar halves = Curve.subdivide(curve, 0.5),\n\t\t\t\t\ttMid = (t1 + t2) / 2;\n\t\t\t\tcomputeParts(halves[0], index, t1, tMid);\n\t\t\t\tcomputeParts(halves[1], index, tMid, t2);\n\t\t\t} else {\n\t\t\t\tvar dx = curve[6] - curve[0],\n\t\t\t\t\tdy = curve[7] - curve[1],\n\t\t\t\t\tdist = Math.sqrt(dx * dx + dy * dy);\n\t\t\t\tif (dist > 0) {\n\t\t\t\t\tlength += dist;\n\t\t\t\t\tparts.push({\n\t\t\t\t\t\toffset: length,\n\t\t\t\t\t\tcurve: curve,\n\t\t\t\t\t\tindex: index,\n\t\t\t\t\t\ttime: t2,\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tfor (var i = 1, l = segments.length; i < l; i++) {\n\t\t\tsegment2 = segments[i];\n\t\t\taddCurve(segment1, segment2);\n\t\t\tsegment1 = segment2;\n\t\t}\n\t\tif (path._closed)\n\t\t\taddCurve(segment2 || segment1, segments[0]);\n\t\tthis.curves = curves;\n\t\tthis.parts = parts;\n\t\tthis.length = length;\n\t\tthis.index = 0;\n\t},\n\n\t_get: function(offset) {\n\t\tvar parts = this.parts,\n\t\t\tlength = parts.length,\n\t\t\tstart,\n\t\t\ti, j = this.index;\n\t\tfor (;;) {\n\t\t\ti = j;\n\t\t\tif (!j || parts[--j].offset < offset)\n\t\t\t\tbreak;\n\t\t}\n\t\tfor (; i < length; i++) {\n\t\t\tvar part = parts[i];\n\t\t\tif (part.offset >= offset) {\n\t\t\t\tthis.index = i;\n\t\t\t\tvar prev = parts[i - 1],\n\t\t\t\t\tprevTime = prev && prev.index === part.index ? prev.time : 0,\n\t\t\t\t\tprevOffset = prev ? prev.offset : 0;\n\t\t\t\treturn {\n\t\t\t\t\tindex: part.index,\n\t\t\t\t\ttime: prevTime + (part.time - prevTime)\n\t\t\t\t\t\t* (offset - prevOffset) / (part.offset - prevOffset)\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t\treturn {\n\t\t\tindex: parts[length - 1].index,\n\t\t\ttime: 1\n\t\t};\n\t},\n\n\tdrawPart: function(ctx, from, to) {\n\t\tvar start = this._get(from),\n\t\t\tend = this._get(to);\n\t\tfor (var i = start.index, l = end.index; i <= l; i++) {\n\t\t\tvar curve = Curve.getPart(this.curves[i],\n\t\t\t\t\ti === start.index ? start.time : 0,\n\t\t\t\t\ti === end.index ? end.time : 1);\n\t\t\tif (i === start.index)\n\t\t\t\tctx.moveTo(curve[0], curve[1]);\n\t\t\tctx.bezierCurveTo.apply(ctx, curve.slice(2));\n\t\t}\n\t}\n}, Base.each(Curve._evaluateMethods,\n\tfunction(name) {\n\t\tthis[name + 'At'] = function(offset) {\n\t\t\tvar param = this._get(offset);\n\t\t\treturn Curve[name](this.curves[param.index], param.time);\n\t\t};\n\t}, {})\n);\n\nvar PathFitter = Base.extend({\n\tinitialize: function(path) {\n\t\tvar points = this.points = [],\n\t\t\tsegments = path._segments,\n\t\t\tclosed = path._closed;\n\t\tfor (var i = 0, prev, l = segments.length; i < l; i++) {\n\t\t\tvar point = segments[i].point;\n\t\t\tif (!prev || !prev.equals(point)) {\n\t\t\t\tpoints.push(prev = point.clone());\n\t\t\t}\n\t\t}\n\t\tif (closed) {\n\t\t\tpoints.unshift(points[points.length - 1]);\n\t\t\tpoints.push(points[1]);\n\t\t}\n\t\tthis.closed = closed;\n\t},\n\n\tfit: function(error) {\n\t\tvar points = this.points,\n\t\t\tlength = points.length,\n\t\t\tsegments = null;\n\t\tif (length > 0) {\n\t\t\tsegments = [new Segment(points[0])];\n\t\t\tif (length > 1) {\n\t\t\t\tthis.fitCubic(segments, error, 0, length - 1,\n\t\t\t\t\t\tpoints[1].subtract(points[0]),\n\t\t\t\t\t\tpoints[length - 2].subtract(points[length - 1]));\n\t\t\t\tif (this.closed) {\n\t\t\t\t\tsegments.shift();\n\t\t\t\t\tsegments.pop();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn segments;\n\t},\n\n\tfitCubic: function(segments, error, first, last, tan1, tan2) {\n\t\tvar points = this.points;\n\t\tif (last - first === 1) {\n\t\t\tvar pt1 = points[first],\n\t\t\t\tpt2 = points[last],\n\t\t\t\tdist = pt1.getDistance(pt2) / 3;\n\t\t\tthis.addCurve(segments, [pt1, pt1.add(tan1.normalize(dist)),\n\t\t\t\t\tpt2.add(tan2.normalize(dist)), pt2]);\n\t\t\treturn;\n\t\t}\n\t\tvar uPrime = this.chordLengthParameterize(first, last),\n\t\t\tmaxError = Math.max(error, error * error),\n\t\t\tsplit,\n\t\t\tparametersInOrder = true;\n\t\tfor (var i = 0; i <= 4; i++) {\n\t\t\tvar curve = this.generateBezier(first, last, uPrime, tan1, tan2);\n\t\t\tvar max = this.findMaxError(first, last, curve, uPrime);\n\t\t\tif (max.error < error && parametersInOrder) {\n\t\t\t\tthis.addCurve(segments, curve);\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tsplit = max.index;\n\t\t\tif (max.error >= maxError)\n\t\t\t\tbreak;\n\t\t\tparametersInOrder = this.reparameterize(first, last, uPrime, curve);\n\t\t\tmaxError = max.error;\n\t\t}\n\t\tvar tanCenter = points[split - 1].subtract(points[split + 1]);\n\t\tthis.fitCubic(segments, error, first, split, tan1, tanCenter);\n\t\tthis.fitCubic(segments, error, split, last, tanCenter.negate(), tan2);\n\t},\n\n\taddCurve: function(segments, curve) {\n\t\tvar prev = segments[segments.length - 1];\n\t\tprev.setHandleOut(curve[1].subtract(curve[0]));\n\t\tsegments.push(new Segment(curve[3], curve[2].subtract(curve[3])));\n\t},\n\n\tgenerateBezier: function(first, last, uPrime, tan1, tan2) {\n\t\tvar epsilon = 1e-12,\n\t\t\tabs = Math.abs,\n\t\t\tpoints = this.points,\n\t\t\tpt1 = points[first],\n\t\t\tpt2 = points[last],\n\t\t\tC = [[0, 0], [0, 0]],\n\t\t\tX = [0, 0];\n\n\t\tfor (var i = 0, l = last - first + 1; i < l; i++) {\n\t\t\tvar u = uPrime[i],\n\t\t\t\tt = 1 - u,\n\t\t\t\tb = 3 * u * t,\n\t\t\t\tb0 = t * t * t,\n\t\t\t\tb1 = b * t,\n\t\t\t\tb2 = b * u,\n\t\t\t\tb3 = u * u * u,\n\t\t\t\ta1 = tan1.normalize(b1),\n\t\t\t\ta2 = tan2.normalize(b2),\n\t\t\t\ttmp = points[first + i]\n\t\t\t\t\t.subtract(pt1.multiply(b0 + b1))\n\t\t\t\t\t.subtract(pt2.multiply(b2 + b3));\n\t\t\tC[0][0] += a1.dot(a1);\n\t\t\tC[0][1] += a1.dot(a2);\n\t\t\tC[1][0] = C[0][1];\n\t\t\tC[1][1] += a2.dot(a2);\n\t\t\tX[0] += a1.dot(tmp);\n\t\t\tX[1] += a2.dot(tmp);\n\t\t}\n\n\t\tvar detC0C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1],\n\t\t\talpha1,\n\t\t\talpha2;\n\t\tif (abs(detC0C1) > epsilon) {\n\t\t\tvar detC0X = C[0][0] * X[1]    - C[1][0] * X[0],\n\t\t\t\tdetXC1 = X[0]    * C[1][1] - X[1]    * C[0][1];\n\t\t\talpha1 = detXC1 / detC0C1;\n\t\t\talpha2 = detC0X / detC0C1;\n\t\t} else {\n\t\t\tvar c0 = C[0][0] + C[0][1],\n\t\t\t\tc1 = C[1][0] + C[1][1];\n\t\t\talpha1 = alpha2 = abs(c0) > epsilon ? X[0] / c0\n\t\t\t\t\t\t\t: abs(c1) > epsilon ? X[1] / c1\n\t\t\t\t\t\t\t: 0;\n\t\t}\n\n\t\tvar segLength = pt2.getDistance(pt1),\n\t\t\teps = epsilon * segLength,\n\t\t\thandle1,\n\t\t\thandle2;\n\t\tif (alpha1 < eps || alpha2 < eps) {\n\t\t\talpha1 = alpha2 = segLength / 3;\n\t\t} else {\n\t\t\tvar line = pt2.subtract(pt1);\n\t\t\thandle1 = tan1.normalize(alpha1);\n\t\t\thandle2 = tan2.normalize(alpha2);\n\t\t\tif (handle1.dot(line) - handle2.dot(line) > segLength * segLength) {\n\t\t\t\talpha1 = alpha2 = segLength / 3;\n\t\t\t\thandle1 = handle2 = null;\n\t\t\t}\n\t\t}\n\n\t\treturn [pt1,\n\t\t\t\tpt1.add(handle1 || tan1.normalize(alpha1)),\n\t\t\t\tpt2.add(handle2 || tan2.normalize(alpha2)),\n\t\t\t\tpt2];\n\t},\n\n\treparameterize: function(first, last, u, curve) {\n\t\tfor (var i = first; i <= last; i++) {\n\t\t\tu[i - first] = this.findRoot(curve, this.points[i], u[i - first]);\n\t\t}\n\t\tfor (var i = 1, l = u.length; i < l; i++) {\n\t\t\tif (u[i] <= u[i - 1])\n\t\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t},\n\n\tfindRoot: function(curve, point, u) {\n\t\tvar curve1 = [],\n\t\t\tcurve2 = [];\n\t\tfor (var i = 0; i <= 2; i++) {\n\t\t\tcurve1[i] = curve[i + 1].subtract(curve[i]).multiply(3);\n\t\t}\n\t\tfor (var i = 0; i <= 1; i++) {\n\t\t\tcurve2[i] = curve1[i + 1].subtract(curve1[i]).multiply(2);\n\t\t}\n\t\tvar pt = this.evaluate(3, curve, u),\n\t\t\tpt1 = this.evaluate(2, curve1, u),\n\t\t\tpt2 = this.evaluate(1, curve2, u),\n\t\t\tdiff = pt.subtract(point),\n\t\t\tdf = pt1.dot(pt1) + diff.dot(pt2);\n\t\treturn Numerical.isMachineZero(df) ? u : u - diff.dot(pt1) / df;\n\t},\n\n\tevaluate: function(degree, curve, t) {\n\t\tvar tmp = curve.slice();\n\t\tfor (var i = 1; i <= degree; i++) {\n\t\t\tfor (var j = 0; j <= degree - i; j++) {\n\t\t\t\ttmp[j] = tmp[j].multiply(1 - t).add(tmp[j + 1].multiply(t));\n\t\t\t}\n\t\t}\n\t\treturn tmp[0];\n\t},\n\n\tchordLengthParameterize: function(first, last) {\n\t\tvar u = [0];\n\t\tfor (var i = first + 1; i <= last; i++) {\n\t\t\tu[i - first] = u[i - first - 1]\n\t\t\t\t\t+ this.points[i].getDistance(this.points[i - 1]);\n\t\t}\n\t\tfor (var i = 1, m = last - first; i <= m; i++) {\n\t\t\tu[i] /= u[m];\n\t\t}\n\t\treturn u;\n\t},\n\n\tfindMaxError: function(first, last, curve, u) {\n\t\tvar index = Math.floor((last - first + 1) / 2),\n\t\t\tmaxDist = 0;\n\t\tfor (var i = first + 1; i < last; i++) {\n\t\t\tvar P = this.evaluate(3, curve, u[i - first]);\n\t\t\tvar v = P.subtract(this.points[i]);\n\t\t\tvar dist = v.x * v.x + v.y * v.y;\n\t\t\tif (dist >= maxDist) {\n\t\t\t\tmaxDist = dist;\n\t\t\t\tindex = i;\n\t\t\t}\n\t\t}\n\t\treturn {\n\t\t\terror: maxDist,\n\t\t\tindex: index\n\t\t};\n\t}\n});\n\nvar TextItem = Item.extend({\n\t_class: 'TextItem',\n\t_applyMatrix: false,\n\t_canApplyMatrix: false,\n\t_serializeFields: {\n\t\tcontent: null\n\t},\n\t_boundsOptions: { stroke: false, handle: false },\n\n\tinitialize: function TextItem(arg) {\n\t\tthis._content = '';\n\t\tthis._lines = [];\n\t\tvar hasProps = arg && Base.isPlainObject(arg)\n\t\t\t\t&& arg.x === undefined && arg.y === undefined;\n\t\tthis._initialize(hasProps && arg, !hasProps && Point.read(arguments));\n\t},\n\n\t_equals: function(item) {\n\t\treturn this._content === item._content;\n\t},\n\n\tcopyContent: function(source) {\n\t\tthis.setContent(source._content);\n\t},\n\n\tgetContent: function() {\n\t\treturn this._content;\n\t},\n\n\tsetContent: function(content) {\n\t\tthis._content = '' + content;\n\t\tthis._lines = this._content.split(/\\r\\n|\\n|\\r/mg);\n\t\tthis._changed(521);\n\t},\n\n\tisEmpty: function() {\n\t\treturn !this._content;\n\t},\n\n\tgetCharacterStyle: '#getStyle',\n\tsetCharacterStyle: '#setStyle',\n\n\tgetParagraphStyle: '#getStyle',\n\tsetParagraphStyle: '#setStyle'\n});\n\nvar PointText = TextItem.extend({\n\t_class: 'PointText',\n\n\tinitialize: function PointText() {\n\t\tTextItem.apply(this, arguments);\n\t},\n\n\tgetPoint: function() {\n\t\tvar point = this._matrix.getTranslation();\n\t\treturn new LinkedPoint(point.x, point.y, this, 'setPoint');\n\t},\n\n\tsetPoint: function() {\n\t\tvar point = Point.read(arguments);\n\t\tthis.translate(point.subtract(this._matrix.getTranslation()));\n\t},\n\n\t_draw: function(ctx, param, viewMatrix) {\n\t\tif (!this._content)\n\t\t\treturn;\n\t\tthis._setStyles(ctx, param, viewMatrix);\n\t\tvar lines = this._lines,\n\t\t\tstyle = this._style,\n\t\t\thasFill = style.hasFill(),\n\t\t\thasStroke = style.hasStroke(),\n\t\t\tleading = style.getLeading(),\n\t\t\tshadowColor = ctx.shadowColor;\n\t\tctx.font = style.getFontStyle();\n\t\tctx.textAlign = style.getJustification();\n\t\tfor (var i = 0, l = lines.length; i < l; i++) {\n\t\t\tctx.shadowColor = shadowColor;\n\t\t\tvar line = lines[i];\n\t\t\tif (hasFill) {\n\t\t\t\tctx.fillText(line, 0, 0);\n\t\t\t\tctx.shadowColor = 'rgba(0,0,0,0)';\n\t\t\t}\n\t\t\tif (hasStroke)\n\t\t\t\tctx.strokeText(line, 0, 0);\n\t\t\tctx.translate(0, leading);\n\t\t}\n\t},\n\n\t_getBounds: function(matrix, options) {\n\t\tvar style = this._style,\n\t\t\tlines = this._lines,\n\t\t\tnumLines = lines.length,\n\t\t\tjustification = style.getJustification(),\n\t\t\tleading = style.getLeading(),\n\t\t\twidth = this.getView().getTextWidth(style.getFontStyle(), lines),\n\t\t\tx = 0;\n\t\tif (justification !== 'left')\n\t\t\tx -= width / (justification === 'center' ? 2: 1);\n\t\tvar rect = new Rectangle(x,\n\t\t\t\t\tnumLines ? - 0.75 * leading : 0,\n\t\t\t\t\twidth, numLines * leading);\n\t\treturn matrix ? matrix._transformBounds(rect, rect) : rect;\n\t}\n});\n\nvar Color = Base.extend(new function() {\n\tvar types = {\n\t\tgray: ['gray'],\n\t\trgb: ['red', 'green', 'blue'],\n\t\thsb: ['hue', 'saturation', 'brightness'],\n\t\thsl: ['hue', 'saturation', 'lightness'],\n\t\tgradient: ['gradient', 'origin', 'destination', 'highlight']\n\t};\n\n\tvar componentParsers = {},\n\t\tnamedColors = {\n\t\t\ttransparent: [0, 0, 0, 0]\n\t\t},\n\t\tcolorCtx;\n\n\tfunction fromCSS(string) {\n\t\tvar match = string.match(\n\t\t\t\t/^#([\\da-f]{2})([\\da-f]{2})([\\da-f]{2})([\\da-f]{2})?$/i\n\t\t\t) || string.match(\n\t\t\t\t/^#([\\da-f])([\\da-f])([\\da-f])([\\da-f])?$/i\n\t\t\t),\n\t\t\ttype = 'rgb',\n\t\t\tcomponents;\n\t\tif (match) {\n\t\t\tvar amount = match[4] ? 4 : 3;\n\t\t\tcomponents = new Array(amount);\n\t\t\tfor (var i = 0; i < amount; i++) {\n\t\t\t\tvar value = match[i + 1];\n\t\t\t\tcomponents[i] = parseInt(value.length == 1\n\t\t\t\t\t\t? value + value : value, 16) / 255;\n\t\t\t}\n\t\t} else if (match = string.match(/^(rgb|hsl)a?\\((.*)\\)$/)) {\n\t\t\ttype = match[1];\n\t\t\tcomponents = match[2].trim().split(/[,\\s]+/g);\n\t\t\tvar isHSL = type === 'hsl';\n\t\t\tfor (var i = 0, l = Math.min(components.length, 4); i < l; i++) {\n\t\t\t\tvar component = components[i];\n\t\t\t\tvar value = parseFloat(component);\n\t\t\t\tif (isHSL) {\n\t\t\t\t\tif (i === 0) {\n\t\t\t\t\t\tvar unit = component.match(/([a-z]*)$/)[1];\n\t\t\t\t\t\tvalue *= ({\n\t\t\t\t\t\t\tturn: 360,\n\t\t\t\t\t\t\trad: 180 / Math.PI,\n\t\t\t\t\t\t\tgrad: 0.9\n\t\t\t\t\t\t}[unit] || 1);\n\t\t\t\t\t} else if (i < 3) {\n\t\t\t\t\t\tvalue /= 100;\n\t\t\t\t\t}\n\t\t\t\t} else if (i < 3) {\n\t\t\t\t\tvalue /= /%$/.test(component) ? 100 : 255;\n\t\t\t\t}\n\t\t\t\tcomponents[i] = value;\n\t\t\t}\n\t\t} else {\n\t\t\tvar color = namedColors[string];\n\t\t\tif (!color) {\n\t\t\t\tif (window) {\n\t\t\t\t\tif (!colorCtx) {\n\t\t\t\t\t\tcolorCtx = CanvasProvider.getContext(1, 1);\n\t\t\t\t\t\tcolorCtx.globalCompositeOperation = 'copy';\n\t\t\t\t\t}\n\t\t\t\t\tcolorCtx.fillStyle = 'rgba(0,0,0,0)';\n\t\t\t\t\tcolorCtx.fillStyle = string;\n\t\t\t\t\tcolorCtx.fillRect(0, 0, 1, 1);\n\t\t\t\t\tvar data = colorCtx.getImageData(0, 0, 1, 1).data;\n\t\t\t\t\tcolor = namedColors[string] = [\n\t\t\t\t\t\tdata[0] / 255,\n\t\t\t\t\t\tdata[1] / 255,\n\t\t\t\t\t\tdata[2] / 255\n\t\t\t\t\t];\n\t\t\t\t} else {\n\t\t\t\t\tcolor = [0, 0, 0];\n\t\t\t\t}\n\t\t\t}\n\t\t\tcomponents = color.slice();\n\t\t}\n\t\treturn [type, components];\n\t}\n\n\tvar hsbIndices = [\n\t\t[0, 3, 1],\n\t\t[2, 0, 1],\n\t\t[1, 0, 3],\n\t\t[1, 2, 0],\n\t\t[3, 1, 0],\n\t\t[0, 1, 2]\n\t];\n\n\tvar converters = {\n\t\t'rgb-hsb': function(r, g, b) {\n\t\t\tvar max = Math.max(r, g, b),\n\t\t\t\tmin = Math.min(r, g, b),\n\t\t\t\tdelta = max - min,\n\t\t\t\th = delta === 0 ? 0\n\t\t\t\t\t:   ( max == r ? (g - b) / delta + (g < b ? 6 : 0)\n\t\t\t\t\t\t: max == g ? (b - r) / delta + 2\n\t\t\t\t\t\t:            (r - g) / delta + 4) * 60;\n\t\t\treturn [h, max === 0 ? 0 : delta / max, max];\n\t\t},\n\n\t\t'hsb-rgb': function(h, s, b) {\n\t\t\th = (((h / 60) % 6) + 6) % 6;\n\t\t\tvar i = Math.floor(h),\n\t\t\t\tf = h - i,\n\t\t\t\ti = hsbIndices[i],\n\t\t\t\tv = [\n\t\t\t\t\tb,\n\t\t\t\t\tb * (1 - s),\n\t\t\t\t\tb * (1 - s * f),\n\t\t\t\t\tb * (1 - s * (1 - f))\n\t\t\t\t];\n\t\t\treturn [v[i[0]], v[i[1]], v[i[2]]];\n\t\t},\n\n\t\t'rgb-hsl': function(r, g, b) {\n\t\t\tvar max = Math.max(r, g, b),\n\t\t\t\tmin = Math.min(r, g, b),\n\t\t\t\tdelta = max - min,\n\t\t\t\tachromatic = delta === 0,\n\t\t\t\th = achromatic ? 0\n\t\t\t\t\t:   ( max == r ? (g - b) / delta + (g < b ? 6 : 0)\n\t\t\t\t\t\t: max == g ? (b - r) / delta + 2\n\t\t\t\t\t\t:            (r - g) / delta + 4) * 60,\n\t\t\t\tl = (max + min) / 2,\n\t\t\t\ts = achromatic ? 0 : l < 0.5\n\t\t\t\t\t\t? delta / (max + min)\n\t\t\t\t\t\t: delta / (2 - max - min);\n\t\t\treturn [h, s, l];\n\t\t},\n\n\t\t'hsl-rgb': function(h, s, l) {\n\t\t\th = (((h / 360) % 1) + 1) % 1;\n\t\t\tif (s === 0)\n\t\t\t\treturn [l, l, l];\n\t\t\tvar t3s = [ h + 1 / 3, h, h - 1 / 3 ],\n\t\t\t\tt2 = l < 0.5 ? l * (1 + s) : l + s - l * s,\n\t\t\t\tt1 = 2 * l - t2,\n\t\t\t\tc = [];\n\t\t\tfor (var i = 0; i < 3; i++) {\n\t\t\t\tvar t3 = t3s[i];\n\t\t\t\tif (t3 < 0) t3 += 1;\n\t\t\t\tif (t3 > 1) t3 -= 1;\n\t\t\t\tc[i] = 6 * t3 < 1\n\t\t\t\t\t? t1 + (t2 - t1) * 6 * t3\n\t\t\t\t\t: 2 * t3 < 1\n\t\t\t\t\t\t? t2\n\t\t\t\t\t\t: 3 * t3 < 2\n\t\t\t\t\t\t\t? t1 + (t2 - t1) * ((2 / 3) - t3) * 6\n\t\t\t\t\t\t\t: t1;\n\t\t\t}\n\t\t\treturn c;\n\t\t},\n\n\t\t'rgb-gray': function(r, g, b) {\n\t\t\treturn [r * 0.2989 + g * 0.587 + b * 0.114];\n\t\t},\n\n\t\t'gray-rgb': function(g) {\n\t\t\treturn [g, g, g];\n\t\t},\n\n\t\t'gray-hsb': function(g) {\n\t\t\treturn [0, 0, g];\n\t\t},\n\n\t\t'gray-hsl': function(g) {\n\t\t\treturn [0, 0, g];\n\t\t},\n\n\t\t'gradient-rgb': function() {\n\t\t\treturn [];\n\t\t},\n\n\t\t'rgb-gradient': function() {\n\t\t\treturn [];\n\t\t}\n\n\t};\n\n\treturn Base.each(types, function(properties, type) {\n\t\tcomponentParsers[type] = [];\n\t\tBase.each(properties, function(name, index) {\n\t\t\tvar part = Base.capitalize(name),\n\t\t\t\thasOverlap = /^(hue|saturation)$/.test(name),\n\t\t\t\tparser = componentParsers[type][index] = type === 'gradient'\n\t\t\t\t\t? name === 'gradient'\n\t\t\t\t\t\t? function(value) {\n\t\t\t\t\t\t\tvar current = this._components[0];\n\t\t\t\t\t\t\tvalue = Gradient.read(\n\t\t\t\t\t\t\t\tArray.isArray(value)\n\t\t\t\t\t\t\t\t\t? value\n\t\t\t\t\t\t\t\t\t: arguments, 0, { readNull: true }\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\tif (current !== value) {\n\t\t\t\t\t\t\t\tif (current)\n\t\t\t\t\t\t\t\t\tcurrent._removeOwner(this);\n\t\t\t\t\t\t\t\tif (value)\n\t\t\t\t\t\t\t\t\tvalue._addOwner(this);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\treturn value;\n\t\t\t\t\t\t}\n\t\t\t\t\t\t: function() {\n\t\t\t\t\t\t\treturn Point.read(arguments, 0, {\n\t\t\t\t\t\t\t\t\treadNull: name === 'highlight',\n\t\t\t\t\t\t\t\t\tclone: true\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t}\n\t\t\t\t\t: function(value) {\n\t\t\t\t\t\treturn value == null || isNaN(value) ? 0 : +value;\n\t\t\t\t\t};\n\t\t\tthis['get' + part] = function() {\n\t\t\t\treturn this._type === type\n\t\t\t\t\t|| hasOverlap && /^hs[bl]$/.test(this._type)\n\t\t\t\t\t\t? this._components[index]\n\t\t\t\t\t\t: this._convert(type)[index];\n\t\t\t};\n\n\t\t\tthis['set' + part] = function(value) {\n\t\t\t\tif (this._type !== type\n\t\t\t\t\t\t&& !(hasOverlap && /^hs[bl]$/.test(this._type))) {\n\t\t\t\t\tthis._components = this._convert(type);\n\t\t\t\t\tthis._properties = types[type];\n\t\t\t\t\tthis._type = type;\n\t\t\t\t}\n\t\t\t\tthis._components[index] = parser.call(this, value);\n\t\t\t\tthis._changed();\n\t\t\t};\n\t\t}, this);\n\t}, {\n\t\t_class: 'Color',\n\t\t_readIndex: true,\n\n\t\tinitialize: function Color(arg) {\n\t\t\tvar args = arguments,\n\t\t\t\treading = this.__read,\n\t\t\t\tread = 0,\n\t\t\t\ttype,\n\t\t\t\tcomponents,\n\t\t\t\talpha,\n\t\t\t\tvalues;\n\t\t\tif (Array.isArray(arg)) {\n\t\t\t\targs = arg;\n\t\t\t\targ = args[0];\n\t\t\t}\n\t\t\tvar argType = arg != null && typeof arg;\n\t\t\tif (argType === 'string' && arg in types) {\n\t\t\t\ttype = arg;\n\t\t\t\targ = args[1];\n\t\t\t\tif (Array.isArray(arg)) {\n\t\t\t\t\tcomponents = arg;\n\t\t\t\t\talpha = args[2];\n\t\t\t\t} else {\n\t\t\t\t\tif (reading)\n\t\t\t\t\t\tread = 1;\n\t\t\t\t\targs = Base.slice(args, 1);\n\t\t\t\t\targType = typeof arg;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (!components) {\n\t\t\t\tvalues = argType === 'number'\n\t\t\t\t\t\t? args\n\t\t\t\t\t\t: argType === 'object' && arg.length != null\n\t\t\t\t\t\t\t? arg\n\t\t\t\t\t\t\t: null;\n\t\t\t\tif (values) {\n\t\t\t\t\tif (!type)\n\t\t\t\t\t\ttype = values.length >= 3\n\t\t\t\t\t\t\t\t? 'rgb'\n\t\t\t\t\t\t\t\t: 'gray';\n\t\t\t\t\tvar length = types[type].length;\n\t\t\t\t\talpha = values[length];\n\t\t\t\t\tif (reading) {\n\t\t\t\t\t\tread += values === arguments\n\t\t\t\t\t\t\t? length + (alpha != null ? 1 : 0)\n\t\t\t\t\t\t\t: 1;\n\t\t\t\t\t}\n\t\t\t\t\tif (values.length > length)\n\t\t\t\t\t\tvalues = Base.slice(values, 0, length);\n\t\t\t\t} else if (argType === 'string') {\n\t\t\t\t\tvar converted = fromCSS(arg);\n\t\t\t\t\ttype = converted[0];\n\t\t\t\t\tcomponents = converted[1];\n\t\t\t\t\tif (components.length === 4) {\n\t\t\t\t\t\talpha = components[3];\n\t\t\t\t\t\tcomponents.length--;\n\t\t\t\t\t}\n\t\t\t\t} else if (argType === 'object') {\n\t\t\t\t\tif (arg.constructor === Color) {\n\t\t\t\t\t\ttype = arg._type;\n\t\t\t\t\t\tcomponents = arg._components.slice();\n\t\t\t\t\t\talpha = arg._alpha;\n\t\t\t\t\t\tif (type === 'gradient') {\n\t\t\t\t\t\t\tfor (var i = 1, l = components.length; i < l; i++) {\n\t\t\t\t\t\t\t\tvar point = components[i];\n\t\t\t\t\t\t\t\tif (point)\n\t\t\t\t\t\t\t\t\tcomponents[i] = point.clone();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t} else if (arg.constructor === Gradient) {\n\t\t\t\t\t\ttype = 'gradient';\n\t\t\t\t\t\tvalues = args;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttype = 'hue' in arg\n\t\t\t\t\t\t\t? 'lightness' in arg\n\t\t\t\t\t\t\t\t? 'hsl'\n\t\t\t\t\t\t\t\t: 'hsb'\n\t\t\t\t\t\t\t: 'gradient' in arg || 'stops' in arg\n\t\t\t\t\t\t\t\t\t|| 'radial' in arg\n\t\t\t\t\t\t\t\t? 'gradient'\n\t\t\t\t\t\t\t\t: 'gray' in arg\n\t\t\t\t\t\t\t\t\t? 'gray'\n\t\t\t\t\t\t\t\t\t: 'rgb';\n\t\t\t\t\t\tvar properties = types[type],\n\t\t\t\t\t\t\tparsers = componentParsers[type];\n\t\t\t\t\t\tthis._components = components = [];\n\t\t\t\t\t\tfor (var i = 0, l = properties.length; i < l; i++) {\n\t\t\t\t\t\t\tvar value = arg[properties[i]];\n\t\t\t\t\t\t\tif (value == null && !i && type === 'gradient'\n\t\t\t\t\t\t\t\t\t&& 'stops' in arg) {\n\t\t\t\t\t\t\t\tvalue = {\n\t\t\t\t\t\t\t\t\tstops: arg.stops,\n\t\t\t\t\t\t\t\t\tradial: arg.radial\n\t\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tvalue = parsers[i].call(this, value);\n\t\t\t\t\t\t\tif (value != null)\n\t\t\t\t\t\t\t\tcomponents[i] = value;\n\t\t\t\t\t\t}\n\t\t\t\t\t\talpha = arg.alpha;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (reading && type)\n\t\t\t\t\tread = 1;\n\t\t\t}\n\t\t\tthis._type = type || 'rgb';\n\t\t\tif (!components) {\n\t\t\t\tthis._components = components = [];\n\t\t\t\tvar parsers = componentParsers[this._type];\n\t\t\t\tfor (var i = 0, l = parsers.length; i < l; i++) {\n\t\t\t\t\tvar value = parsers[i].call(this, values && values[i]);\n\t\t\t\t\tif (value != null)\n\t\t\t\t\t\tcomponents[i] = value;\n\t\t\t\t}\n\t\t\t}\n\t\t\tthis._components = components;\n\t\t\tthis._properties = types[this._type];\n\t\t\tthis._alpha = alpha;\n\t\t\tif (reading)\n\t\t\t\tthis.__read = read;\n\t\t\treturn this;\n\t\t},\n\n\t\tset: '#initialize',\n\n\t\t_serialize: function(options, dictionary) {\n\t\t\tvar components = this.getComponents();\n\t\t\treturn Base.serialize(\n\t\t\t\t\t/^(gray|rgb)$/.test(this._type)\n\t\t\t\t\t\t? components\n\t\t\t\t\t\t: [this._type].concat(components),\n\t\t\t\t\toptions, true, dictionary);\n\t\t},\n\n\t\t_changed: function() {\n\t\t\tthis._canvasStyle = null;\n\t\t\tif (this._owner) {\n\t\t\t\tif (this._setter) {\n\t\t\t\t\tthis._owner[this._setter](this);\n\t\t\t\t} else {\n\t\t\t\t\tthis._owner._changed(129);\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t_convert: function(type) {\n\t\t\tvar converter;\n\t\t\treturn this._type === type\n\t\t\t\t\t? this._components.slice()\n\t\t\t\t\t: (converter = converters[this._type + '-' + type])\n\t\t\t\t\t\t? converter.apply(this, this._components)\n\t\t\t\t\t\t: converters['rgb-' + type].apply(this,\n\t\t\t\t\t\t\tconverters[this._type + '-rgb'].apply(this,\n\t\t\t\t\t\t\t\tthis._components));\n\t\t},\n\n\t\tconvert: function(type) {\n\t\t\treturn new Color(type, this._convert(type), this._alpha);\n\t\t},\n\n\t\tgetType: function() {\n\t\t\treturn this._type;\n\t\t},\n\n\t\tsetType: function(type) {\n\t\t\tthis._components = this._convert(type);\n\t\t\tthis._properties = types[type];\n\t\t\tthis._type = type;\n\t\t},\n\n\t\tgetComponents: function() {\n\t\t\tvar components = this._components.slice();\n\t\t\tif (this._alpha != null)\n\t\t\t\tcomponents.push(this._alpha);\n\t\t\treturn components;\n\t\t},\n\n\t\tgetAlpha: function() {\n\t\t\treturn this._alpha != null ? this._alpha : 1;\n\t\t},\n\n\t\tsetAlpha: function(alpha) {\n\t\t\tthis._alpha = alpha == null ? null : Math.min(Math.max(alpha, 0), 1);\n\t\t\tthis._changed();\n\t\t},\n\n\t\thasAlpha: function() {\n\t\t\treturn this._alpha != null;\n\t\t},\n\n\t\tequals: function(color) {\n\t\t\tvar col = Base.isPlainValue(color, true)\n\t\t\t\t\t? Color.read(arguments)\n\t\t\t\t\t: color;\n\t\t\treturn col === this || col && this._class === col._class\n\t\t\t\t\t&& this._type === col._type\n\t\t\t\t\t&& this.getAlpha() === col.getAlpha()\n\t\t\t\t\t&& Base.equals(this._components, col._components)\n\t\t\t\t\t|| false;\n\t\t},\n\n\t\ttoString: function() {\n\t\t\tvar properties = this._properties,\n\t\t\t\tparts = [],\n\t\t\t\tisGradient = this._type === 'gradient',\n\t\t\t\tf = Formatter.instance;\n\t\t\tfor (var i = 0, l = properties.length; i < l; i++) {\n\t\t\t\tvar value = this._components[i];\n\t\t\t\tif (value != null)\n\t\t\t\t\tparts.push(properties[i] + ': '\n\t\t\t\t\t\t\t+ (isGradient ? value : f.number(value)));\n\t\t\t}\n\t\t\tif (this._alpha != null)\n\t\t\t\tparts.push('alpha: ' + f.number(this._alpha));\n\t\t\treturn '{ ' + parts.join(', ') + ' }';\n\t\t},\n\n\t\ttoCSS: function(hex) {\n\t\t\tvar components = this._convert('rgb'),\n\t\t\t\talpha = hex || this._alpha == null ? 1 : this._alpha;\n\t\t\tfunction convert(val) {\n\t\t\t\treturn Math.round((val < 0 ? 0 : val > 1 ? 1 : val) * 255);\n\t\t\t}\n\t\t\tcomponents = [\n\t\t\t\tconvert(components[0]),\n\t\t\t\tconvert(components[1]),\n\t\t\t\tconvert(components[2])\n\t\t\t];\n\t\t\tif (alpha < 1)\n\t\t\t\tcomponents.push(alpha < 0 ? 0 : alpha);\n\t\t\treturn hex\n\t\t\t\t\t? '#' + ((1 << 24) + (components[0] << 16)\n\t\t\t\t\t\t+ (components[1] << 8)\n\t\t\t\t\t\t+ components[2]).toString(16).slice(1)\n\t\t\t\t\t: (components.length == 4 ? 'rgba(' : 'rgb(')\n\t\t\t\t\t\t+ components.join(',') + ')';\n\t\t},\n\n\t\ttoCanvasStyle: function(ctx, matrix) {\n\t\t\tif (this._canvasStyle)\n\t\t\t\treturn this._canvasStyle;\n\t\t\tif (this._type !== 'gradient')\n\t\t\t\treturn this._canvasStyle = this.toCSS();\n\t\t\tvar components = this._components,\n\t\t\t\tgradient = components[0],\n\t\t\t\tstops = gradient._stops,\n\t\t\t\torigin = components[1],\n\t\t\t\tdestination = components[2],\n\t\t\t\thighlight = components[3],\n\t\t\t\tinverse = matrix && matrix.inverted(),\n\t\t\t\tcanvasGradient;\n\t\t\tif (inverse) {\n\t\t\t\torigin = inverse._transformPoint(origin);\n\t\t\t\tdestination = inverse._transformPoint(destination);\n\t\t\t\tif (highlight)\n\t\t\t\t\thighlight = inverse._transformPoint(highlight);\n\t\t\t}\n\t\t\tif (gradient._radial) {\n\t\t\t\tvar radius = destination.getDistance(origin);\n\t\t\t\tif (highlight) {\n\t\t\t\t\tvar vector = highlight.subtract(origin);\n\t\t\t\t\tif (vector.getLength() > radius)\n\t\t\t\t\t\thighlight = origin.add(vector.normalize(radius - 0.1));\n\t\t\t\t}\n\t\t\t\tvar start = highlight || origin;\n\t\t\t\tcanvasGradient = ctx.createRadialGradient(start.x, start.y,\n\t\t\t\t\t\t0, origin.x, origin.y, radius);\n\t\t\t} else {\n\t\t\t\tcanvasGradient = ctx.createLinearGradient(origin.x, origin.y,\n\t\t\t\t\t\tdestination.x, destination.y);\n\t\t\t}\n\t\t\tfor (var i = 0, l = stops.length; i < l; i++) {\n\t\t\t\tvar stop = stops[i],\n\t\t\t\t\toffset = stop._offset;\n\t\t\t\tcanvasGradient.addColorStop(\n\t\t\t\t\t\toffset == null ? i / (l - 1) : offset,\n\t\t\t\t\t\tstop._color.toCanvasStyle());\n\t\t\t}\n\t\t\treturn this._canvasStyle = canvasGradient;\n\t\t},\n\n\t\ttransform: function(matrix) {\n\t\t\tif (this._type === 'gradient') {\n\t\t\t\tvar components = this._components;\n\t\t\t\tfor (var i = 1, l = components.length; i < l; i++) {\n\t\t\t\t\tvar point = components[i];\n\t\t\t\t\tmatrix._transformPoint(point, point, true);\n\t\t\t\t}\n\t\t\t\tthis._changed();\n\t\t\t}\n\t\t},\n\n\t\tstatics: {\n\t\t\t_types: types,\n\n\t\t\trandom: function() {\n\t\t\t\tvar random = Math.random;\n\t\t\t\treturn new Color(random(), random(), random());\n\t\t\t},\n\n\t\t\t_setOwner: function(color, owner, setter) {\n\t\t\t\tif (color) {\n\t\t\t\t\tif (color._owner && owner && color._owner !== owner) {\n\t\t\t\t\t\tcolor = color.clone();\n\t\t\t\t\t}\n\t\t\t\t\tif (!color._owner ^ !owner) {\n\t\t\t\t\t\tcolor._owner = owner || null;\n\t\t\t\t\t\tcolor._setter = setter || null;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn color;\n\t\t\t}\n\t\t}\n\t});\n},\nnew function() {\n\tvar operators = {\n\t\tadd: function(a, b) {\n\t\t\treturn a + b;\n\t\t},\n\n\t\tsubtract: function(a, b) {\n\t\t\treturn a - b;\n\t\t},\n\n\t\tmultiply: function(a, b) {\n\t\t\treturn a * b;\n\t\t},\n\n\t\tdivide: function(a, b) {\n\t\t\treturn a / b;\n\t\t}\n\t};\n\n\treturn Base.each(operators, function(operator, name) {\n\t\tthis[name] = function(color) {\n\t\t\tcolor = Color.read(arguments);\n\t\t\tvar type = this._type,\n\t\t\t\tcomponents1 = this._components,\n\t\t\t\tcomponents2 = color._convert(type);\n\t\t\tfor (var i = 0, l = components1.length; i < l; i++)\n\t\t\t\tcomponents2[i] = operator(components1[i], components2[i]);\n\t\t\treturn new Color(type, components2,\n\t\t\t\t\tthis._alpha != null\n\t\t\t\t\t\t\t? operator(this._alpha, color.getAlpha())\n\t\t\t\t\t\t\t: null);\n\t\t};\n\t}, {\n\t});\n});\n\nvar Gradient = Base.extend({\n\t_class: 'Gradient',\n\n\tinitialize: function Gradient(stops, radial) {\n\t\tthis._id = UID.get();\n\t\tif (stops && Base.isPlainObject(stops)) {\n\t\t\tthis.set(stops);\n\t\t\tstops = radial = null;\n\t\t}\n\t\tif (this._stops == null) {\n\t\t\tthis.setStops(stops || ['white', 'black']);\n\t\t}\n\t\tif (this._radial == null) {\n\t\t\tthis.setRadial(typeof radial === 'string' && radial === 'radial'\n\t\t\t\t\t|| radial || false);\n\t\t}\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\treturn dictionary.add(this, function() {\n\t\t\treturn Base.serialize([this._stops, this._radial],\n\t\t\t\t\toptions, true, dictionary);\n\t\t});\n\t},\n\n\t_changed: function() {\n\t\tfor (var i = 0, l = this._owners && this._owners.length; i < l; i++) {\n\t\t\tthis._owners[i]._changed();\n\t\t}\n\t},\n\n\t_addOwner: function(color) {\n\t\tif (!this._owners)\n\t\t\tthis._owners = [];\n\t\tthis._owners.push(color);\n\t},\n\n\t_removeOwner: function(color) {\n\t\tvar index = this._owners ? this._owners.indexOf(color) : -1;\n\t\tif (index != -1) {\n\t\t\tthis._owners.splice(index, 1);\n\t\t\tif (!this._owners.length)\n\t\t\t\tthis._owners = undefined;\n\t\t}\n\t},\n\n\tclone: function() {\n\t\tvar stops = [];\n\t\tfor (var i = 0, l = this._stops.length; i < l; i++) {\n\t\t\tstops[i] = this._stops[i].clone();\n\t\t}\n\t\treturn new Gradient(stops, this._radial);\n\t},\n\n\tgetStops: function() {\n\t\treturn this._stops;\n\t},\n\n\tsetStops: function(stops) {\n\t\tif (stops.length < 2) {\n\t\t\tthrow new Error(\n\t\t\t\t\t'Gradient stop list needs to contain at least two stops.');\n\t\t}\n\t\tvar _stops = this._stops;\n\t\tif (_stops) {\n\t\t\tfor (var i = 0, l = _stops.length; i < l; i++)\n\t\t\t\t_stops[i]._owner = undefined;\n\t\t}\n\t\t_stops = this._stops = GradientStop.readList(stops, 0, { clone: true });\n\t\tfor (var i = 0, l = _stops.length; i < l; i++)\n\t\t\t_stops[i]._owner = this;\n\t\tthis._changed();\n\t},\n\n\tgetRadial: function() {\n\t\treturn this._radial;\n\t},\n\n\tsetRadial: function(radial) {\n\t\tthis._radial = radial;\n\t\tthis._changed();\n\t},\n\n\tequals: function(gradient) {\n\t\tif (gradient === this)\n\t\t\treturn true;\n\t\tif (gradient && this._class === gradient._class) {\n\t\t\tvar stops1 = this._stops,\n\t\t\t\tstops2 = gradient._stops,\n\t\t\t\tlength = stops1.length;\n\t\t\tif (length === stops2.length) {\n\t\t\t\tfor (var i = 0; i < length; i++) {\n\t\t\t\t\tif (!stops1[i].equals(stops2[i]))\n\t\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\t\treturn false;\n\t}\n});\n\nvar GradientStop = Base.extend({\n\t_class: 'GradientStop',\n\n\tinitialize: function GradientStop(arg0, arg1) {\n\t\tvar color = arg0,\n\t\t\toffset = arg1;\n\t\tif (typeof arg0 === 'object' && arg1 === undefined) {\n\t\t\tif (Array.isArray(arg0) && typeof arg0[0] !== 'number') {\n\t\t\t\tcolor = arg0[0];\n\t\t\t\toffset = arg0[1];\n\t\t\t} else if ('color' in arg0 || 'offset' in arg0\n\t\t\t\t\t|| 'rampPoint' in arg0) {\n\t\t\t\tcolor = arg0.color;\n\t\t\t\toffset = arg0.offset || arg0.rampPoint || 0;\n\t\t\t}\n\t\t}\n\t\tthis.setColor(color);\n\t\tthis.setOffset(offset);\n\t},\n\n\tclone: function() {\n\t\treturn new GradientStop(this._color.clone(), this._offset);\n\t},\n\n\t_serialize: function(options, dictionary) {\n\t\tvar color = this._color,\n\t\t\toffset = this._offset;\n\t\treturn Base.serialize(offset == null ? [color] : [color, offset],\n\t\t\t\toptions, true, dictionary);\n\t},\n\n\t_changed: function() {\n\t\tif (this._owner)\n\t\t\tthis._owner._changed(129);\n\t},\n\n\tgetOffset: function() {\n\t\treturn this._offset;\n\t},\n\n\tsetOffset: function(offset) {\n\t\tthis._offset = offset;\n\t\tthis._changed();\n\t},\n\n\tgetRampPoint: '#getOffset',\n\tsetRampPoint: '#setOffset',\n\n\tgetColor: function() {\n\t\treturn this._color;\n\t},\n\n\tsetColor: function() {\n\t\tColor._setOwner(this._color, null);\n\t\tthis._color = Color._setOwner(Color.read(arguments, 0), this,\n\t\t\t\t'setColor');\n\t\tthis._changed();\n\t},\n\n\tequals: function(stop) {\n\t\treturn stop === this || stop && this._class === stop._class\n\t\t\t\t&& this._color.equals(stop._color)\n\t\t\t\t&& this._offset == stop._offset\n\t\t\t\t|| false;\n\t}\n});\n\nvar Style = Base.extend(new function() {\n\tvar itemDefaults = {\n\t\tfillColor: null,\n\t\tfillRule: 'nonzero',\n\t\tstrokeColor: null,\n\t\tstrokeWidth: 1,\n\t\tstrokeCap: 'butt',\n\t\tstrokeJoin: 'miter',\n\t\tstrokeScaling: true,\n\t\tmiterLimit: 10,\n\t\tdashOffset: 0,\n\t\tdashArray: [],\n\t\tshadowColor: null,\n\t\tshadowBlur: 0,\n\t\tshadowOffset: new Point(),\n\t\tselectedColor: null\n\t},\n\tgroupDefaults = Base.set({}, itemDefaults, {\n\t\tfontFamily: 'sans-serif',\n\t\tfontWeight: 'normal',\n\t\tfontSize: 12,\n\t\tleading: null,\n\t\tjustification: 'left'\n\t}),\n\ttextDefaults = Base.set({}, groupDefaults, {\n\t\tfillColor: new Color()\n\t}),\n\tflags = {\n\t\tstrokeWidth: 193,\n\t\tstrokeCap: 193,\n\t\tstrokeJoin: 193,\n\t\tstrokeScaling: 201,\n\t\tmiterLimit: 193,\n\t\tfontFamily: 9,\n\t\tfontWeight: 9,\n\t\tfontSize: 9,\n\t\tfont: 9,\n\t\tleading: 9,\n\t\tjustification: 9\n\t},\n\titem = {\n\t\tbeans: true\n\t},\n\tfields = {\n\t\t_class: 'Style',\n\t\tbeans: true,\n\n\t\tinitialize: function Style(style, _owner, _project) {\n\t\t\tthis._values = {};\n\t\t\tthis._owner = _owner;\n\t\t\tthis._project = _owner && _owner._project || _project\n\t\t\t\t\t|| paper.project;\n\t\t\tthis._defaults = !_owner || _owner instanceof Group ? groupDefaults\n\t\t\t\t\t: _owner instanceof TextItem ? textDefaults\n\t\t\t\t\t: itemDefaults;\n\t\t\tif (style)\n\t\t\t\tthis.set(style);\n\t\t}\n\t};\n\n\tBase.each(groupDefaults, function(value, key) {\n\t\tvar isColor = /Color$/.test(key),\n\t\t\tisPoint = key === 'shadowOffset',\n\t\t\tpart = Base.capitalize(key),\n\t\t\tflag = flags[key],\n\t\t\tset = 'set' + part,\n\t\t\tget = 'get' + part;\n\n\t\tfields[set] = function(value) {\n\t\t\tvar owner = this._owner,\n\t\t\t\tchildren = owner && owner._children,\n\t\t\t\tapplyToChildren = children && children.length > 0\n\t\t\t\t\t&& !(owner instanceof CompoundPath);\n\t\t\tif (applyToChildren) {\n\t\t\t\tfor (var i = 0, l = children.length; i < l; i++)\n\t\t\t\t\tchildren[i]._style[set](value);\n\t\t\t}\n\t\t\tif ((key === 'selectedColor' || !applyToChildren)\n\t\t\t\t\t&& key in this._defaults) {\n\t\t\t\tvar old = this._values[key];\n\t\t\t\tif (old !== value) {\n\t\t\t\t\tif (isColor) {\n\t\t\t\t\t\tif (old) {\n\t\t\t\t\t\t\tColor._setOwner(old, null);\n\t\t\t\t\t\t\told._canvasStyle = null;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (value && value.constructor === Color) {\n\t\t\t\t\t\t\tvalue = Color._setOwner(value, owner,\n\t\t\t\t\t\t\t\t\tapplyToChildren && set);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tthis._values[key] = value;\n\t\t\t\t\tif (owner)\n\t\t\t\t\t\towner._changed(flag || 129);\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\n\t\tfields[get] = function(_dontMerge) {\n\t\t\tvar owner = this._owner,\n\t\t\t\tchildren = owner && owner._children,\n\t\t\t\tapplyToChildren = children && children.length > 0\n\t\t\t\t\t&& !(owner instanceof CompoundPath),\n\t\t\t\tvalue;\n\t\t\tif (applyToChildren && !_dontMerge) {\n\t\t\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\t\t\tvar childValue = children[i]._style[get]();\n\t\t\t\t\tif (!i) {\n\t\t\t\t\t\tvalue = childValue;\n\t\t\t\t\t} else if (!Base.equals(value, childValue)) {\n\t\t\t\t\t\treturn undefined;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else if (key in this._defaults) {\n\t\t\t\tvar value = this._values[key];\n\t\t\t\tif (value === undefined) {\n\t\t\t\t\tvalue = this._defaults[key];\n\t\t\t\t\tif (value && value.clone) {\n\t\t\t\t\t\tvalue = value.clone();\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tvar ctor = isColor ? Color : isPoint ? Point : null;\n\t\t\t\t\tif (ctor && !(value && value.constructor === ctor)) {\n\t\t\t\t\t\tthis._values[key] = value = ctor.read([value], 0,\n\t\t\t\t\t\t\t\t{ readNull: true, clone: true });\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (value && isColor) {\n\t\t\t\tvalue = Color._setOwner(value, owner, applyToChildren && set);\n\t\t\t}\n\t\t\treturn value;\n\t\t};\n\n\t\titem[get] = function(_dontMerge) {\n\t\t\treturn this._style[get](_dontMerge);\n\t\t};\n\n\t\titem[set] = function(value) {\n\t\t\tthis._style[set](value);\n\t\t};\n\t});\n\n\tBase.each({\n\t\tFont: 'FontFamily',\n\t\tWindingRule: 'FillRule'\n\t}, function(value, key) {\n\t\tvar get = 'get' + key,\n\t\t\tset = 'set' + key;\n\t\tfields[get] = item[get] = '#get' + value;\n\t\tfields[set] = item[set] = '#set' + value;\n\t});\n\n\tItem.inject(item);\n\treturn fields;\n}, {\n\tset: function(style) {\n\t\tvar isStyle = style instanceof Style,\n\t\t\tvalues = isStyle ? style._values : style;\n\t\tif (values) {\n\t\t\tfor (var key in values) {\n\t\t\t\tif (key in this._defaults) {\n\t\t\t\t\tvar value = values[key];\n\t\t\t\t\tthis[key] = value && isStyle && value.clone\n\t\t\t\t\t\t\t? value.clone() : value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\tequals: function(style) {\n\t\tfunction compare(style1, style2, secondary) {\n\t\t\tvar values1 = style1._values,\n\t\t\t\tvalues2 = style2._values,\n\t\t\t\tdefaults2 = style2._defaults;\n\t\t\tfor (var key in values1) {\n\t\t\t\tvar value1 = values1[key],\n\t\t\t\t\tvalue2 = values2[key];\n\t\t\t\tif (!(secondary && key in values2) && !Base.equals(value1,\n\t\t\t\t\t\tvalue2 === undefined ? defaults2[key] : value2))\n\t\t\t\t\treturn false;\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\n\t\treturn style === this || style && this._class === style._class\n\t\t\t\t&& compare(this, style)\n\t\t\t\t&& compare(style, this, true)\n\t\t\t\t|| false;\n\t},\n\n\t_dispose: function() {\n\t\tvar color;\n\t\tcolor = this.getFillColor();\n\t\tif (color) color._canvasStyle = null;\n\t\tcolor = this.getStrokeColor();\n\t\tif (color) color._canvasStyle = null;\n\t\tcolor = this.getShadowColor();\n\t\tif (color) color._canvasStyle = null;\n\t},\n\n\thasFill: function() {\n\t\tvar color = this.getFillColor();\n\t\treturn !!color && color.alpha > 0;\n\t},\n\n\thasStroke: function() {\n\t\tvar color = this.getStrokeColor();\n\t\treturn !!color && color.alpha > 0 && this.getStrokeWidth() > 0;\n\t},\n\n\thasShadow: function() {\n\t\tvar color = this.getShadowColor();\n\t\treturn !!color && color.alpha > 0 && (this.getShadowBlur() > 0\n\t\t\t\t|| !this.getShadowOffset().isZero());\n\t},\n\n\tgetView: function() {\n\t\treturn this._project._view;\n\t},\n\n\tgetFontStyle: function() {\n\t\tvar fontSize = this.getFontSize();\n\t\treturn this.getFontWeight()\n\t\t\t\t+ ' ' + fontSize + (/[a-z]/i.test(fontSize + '') ? ' ' : 'px ')\n\t\t\t\t+ this.getFontFamily();\n\t},\n\n\tgetFont: '#getFontFamily',\n\tsetFont: '#setFontFamily',\n\n\tgetLeading: function getLeading() {\n\t\tvar leading = getLeading.base.call(this),\n\t\t\tfontSize = this.getFontSize();\n\t\tif (/pt|em|%|px/.test(fontSize))\n\t\t\tfontSize = this.getView().getPixelSize(fontSize);\n\t\treturn leading != null ? leading : fontSize * 1.2;\n\t}\n\n});\n\nvar DomElement = new function() {\n\tfunction handlePrefix(el, name, set, value) {\n\t\tvar prefixes = ['', 'webkit', 'moz', 'Moz', 'ms', 'o'],\n\t\t\tsuffix = name[0].toUpperCase() + name.substring(1);\n\t\tfor (var i = 0; i < 6; i++) {\n\t\t\tvar prefix = prefixes[i],\n\t\t\t\tkey = prefix ? prefix + suffix : name;\n\t\t\tif (key in el) {\n\t\t\t\tif (set) {\n\t\t\t\t\tel[key] = value;\n\t\t\t\t} else {\n\t\t\t\t\treturn el[key];\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn {\n\t\tgetStyles: function(el) {\n\t\t\tvar doc = el && el.nodeType !== 9 ? el.ownerDocument : el,\n\t\t\t\tview = doc && doc.defaultView;\n\t\t\treturn view && view.getComputedStyle(el, '');\n\t\t},\n\n\t\tgetBounds: function(el, viewport) {\n\t\t\tvar doc = el.ownerDocument,\n\t\t\t\tbody = doc.body,\n\t\t\t\thtml = doc.documentElement,\n\t\t\t\trect;\n\t\t\ttry {\n\t\t\t\trect = el.getBoundingClientRect();\n\t\t\t} catch (e) {\n\t\t\t\trect = { left: 0, top: 0, width: 0, height: 0 };\n\t\t\t}\n\t\t\tvar x = rect.left - (html.clientLeft || body.clientLeft || 0),\n\t\t\t\ty = rect.top - (html.clientTop || body.clientTop || 0);\n\t\t\tif (!viewport) {\n\t\t\t\tvar view = doc.defaultView;\n\t\t\t\tx += view.pageXOffset || html.scrollLeft || body.scrollLeft;\n\t\t\t\ty += view.pageYOffset || html.scrollTop || body.scrollTop;\n\t\t\t}\n\t\t\treturn new Rectangle(x, y, rect.width, rect.height);\n\t\t},\n\n\t\tgetViewportBounds: function(el) {\n\t\t\tvar doc = el.ownerDocument,\n\t\t\t\tview = doc.defaultView,\n\t\t\t\thtml = doc.documentElement;\n\t\t\treturn new Rectangle(0, 0,\n\t\t\t\tview.innerWidth || html.clientWidth,\n\t\t\t\tview.innerHeight || html.clientHeight\n\t\t\t);\n\t\t},\n\n\t\tgetOffset: function(el, viewport) {\n\t\t\treturn DomElement.getBounds(el, viewport).getPoint();\n\t\t},\n\n\t\tgetSize: function(el) {\n\t\t\treturn DomElement.getBounds(el, true).getSize();\n\t\t},\n\n\t\tisInvisible: function(el) {\n\t\t\treturn DomElement.getSize(el).equals(new Size(0, 0));\n\t\t},\n\n\t\tisInView: function(el) {\n\t\t\treturn !DomElement.isInvisible(el)\n\t\t\t\t\t&& DomElement.getViewportBounds(el).intersects(\n\t\t\t\t\t\tDomElement.getBounds(el, true));\n\t\t},\n\n\t\tisInserted: function(el) {\n\t\t\treturn document.body.contains(el);\n\t\t},\n\n\t\tgetPrefixed: function(el, name) {\n\t\t\treturn el && handlePrefix(el, name);\n\t\t},\n\n\t\tsetPrefixed: function(el, name, value) {\n\t\t\tif (typeof name === 'object') {\n\t\t\t\tfor (var key in name)\n\t\t\t\t\thandlePrefix(el, key, true, name[key]);\n\t\t\t} else {\n\t\t\t\thandlePrefix(el, name, true, value);\n\t\t\t}\n\t\t}\n\t};\n};\n\nvar DomEvent = {\n\tadd: function(el, events) {\n\t\tif (el) {\n\t\t\tfor (var type in events) {\n\t\t\t\tvar func = events[type],\n\t\t\t\t\tparts = type.split(/[\\s,]+/g);\n\t\t\t\tfor (var i = 0, l = parts.length; i < l; i++) {\n\t\t\t\t\tvar name = parts[i];\n\t\t\t\t\tvar options = (\n\t\t\t\t\t\tel === document\n\t\t\t\t\t\t&& (name === 'touchstart' || name === 'touchmove')\n\t\t\t\t\t) ? { passive: false } : false;\n\t\t\t\t\tel.addEventListener(name, func, options);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\tremove: function(el, events) {\n\t\tif (el) {\n\t\t\tfor (var type in events) {\n\t\t\t\tvar func = events[type],\n\t\t\t\t\tparts = type.split(/[\\s,]+/g);\n\t\t\t\tfor (var i = 0, l = parts.length; i < l; i++)\n\t\t\t\t\tel.removeEventListener(parts[i], func, false);\n\t\t\t}\n\t\t}\n\t},\n\n\tgetPoint: function(event) {\n\t\tvar pos = event.targetTouches\n\t\t\t\t? event.targetTouches.length\n\t\t\t\t\t? event.targetTouches[0]\n\t\t\t\t\t: event.changedTouches[0]\n\t\t\t\t: event;\n\t\treturn new Point(\n\t\t\tpos.pageX || pos.clientX + document.documentElement.scrollLeft,\n\t\t\tpos.pageY || pos.clientY + document.documentElement.scrollTop\n\t\t);\n\t},\n\n\tgetTarget: function(event) {\n\t\treturn event.target || event.srcElement;\n\t},\n\n\tgetRelatedTarget: function(event) {\n\t\treturn event.relatedTarget || event.toElement;\n\t},\n\n\tgetOffset: function(event, target) {\n\t\treturn DomEvent.getPoint(event).subtract(DomElement.getOffset(\n\t\t\t\ttarget || DomEvent.getTarget(event)));\n\t}\n};\n\nDomEvent.requestAnimationFrame = new function() {\n\tvar nativeRequest = DomElement.getPrefixed(window, 'requestAnimationFrame'),\n\t\trequested = false,\n\t\tcallbacks = [],\n\t\ttimer;\n\n\tfunction handleCallbacks() {\n\t\tvar functions = callbacks;\n\t\tcallbacks = [];\n\t\tfor (var i = 0, l = functions.length; i < l; i++)\n\t\t\tfunctions[i]();\n\t\trequested = nativeRequest && callbacks.length;\n\t\tif (requested)\n\t\t\tnativeRequest(handleCallbacks);\n\t}\n\n\treturn function(callback) {\n\t\tcallbacks.push(callback);\n\t\tif (nativeRequest) {\n\t\t\tif (!requested) {\n\t\t\t\tnativeRequest(handleCallbacks);\n\t\t\t\trequested = true;\n\t\t\t}\n\t\t} else if (!timer) {\n\t\t\ttimer = setInterval(handleCallbacks, 1000 / 60);\n\t\t}\n\t};\n};\n\nvar View = Base.extend(Emitter, {\n\t_class: 'View',\n\n\tinitialize: function View(project, element) {\n\n\t\tfunction getSize(name) {\n\t\t\treturn element[name] || parseInt(element.getAttribute(name), 10);\n\t\t}\n\n\t\tfunction getCanvasSize() {\n\t\t\tvar size = DomElement.getSize(element);\n\t\t\treturn size.isNaN() || size.isZero()\n\t\t\t\t\t? new Size(getSize('width'), getSize('height'))\n\t\t\t\t\t: size;\n\t\t}\n\n\t\tvar size;\n\t\tif (window && element) {\n\t\t\tthis._id = element.getAttribute('id');\n\t\t\tif (this._id == null)\n\t\t\t\telement.setAttribute('id', this._id = 'paper-view-' + View._id++);\n\t\t\tDomEvent.add(element, this._viewEvents);\n\t\t\tvar none = 'none';\n\t\t\tDomElement.setPrefixed(element.style, {\n\t\t\t\tuserDrag: none,\n\t\t\t\tuserSelect: none,\n\t\t\t\ttouchCallout: none,\n\t\t\t\tcontentZooming: none,\n\t\t\t\ttapHighlightColor: 'rgba(0,0,0,0)'\n\t\t\t});\n\n\t\t\tif (PaperScope.hasAttribute(element, 'resize')) {\n\t\t\t\tvar that = this;\n\t\t\t\tDomEvent.add(window, this._windowEvents = {\n\t\t\t\t\tresize: function() {\n\t\t\t\t\t\tthat.setViewSize(getCanvasSize());\n\t\t\t\t\t}\n\t\t\t\t});\n\t\t\t}\n\n\t\t\tsize = getCanvasSize();\n\n\t\t\tif (PaperScope.hasAttribute(element, 'stats')\n\t\t\t\t\t&& typeof Stats !== 'undefined') {\n\t\t\t\tthis._stats = new Stats();\n\t\t\t\tvar stats = this._stats.domElement,\n\t\t\t\t\tstyle = stats.style,\n\t\t\t\t\toffset = DomElement.getOffset(element);\n\t\t\t\tstyle.position = 'absolute';\n\t\t\t\tstyle.left = offset.x + 'px';\n\t\t\t\tstyle.top = offset.y + 'px';\n\t\t\t\tdocument.body.appendChild(stats);\n\t\t\t}\n\t\t} else {\n\t\t\tsize = new Size(element);\n\t\t\telement = null;\n\t\t}\n\t\tthis._project = project;\n\t\tthis._scope = project._scope;\n\t\tthis._element = element;\n\t\tif (!this._pixelRatio)\n\t\t\tthis._pixelRatio = window && window.devicePixelRatio || 1;\n\t\tthis._setElementSize(size.width, size.height);\n\t\tthis._viewSize = size;\n\t\tView._views.push(this);\n\t\tView._viewsById[this._id] = this;\n\t\t(this._matrix = new Matrix())._owner = this;\n\t\tif (!View._focused)\n\t\t\tView._focused = this;\n\t\tthis._frameItems = {};\n\t\tthis._frameItemCount = 0;\n\t\tthis._itemEvents = { native: {}, virtual: {} };\n\t\tthis._autoUpdate = !paper.agent.node;\n\t\tthis._needsUpdate = false;\n\t},\n\n\tremove: function() {\n\t\tif (!this._project)\n\t\t\treturn false;\n\t\tif (View._focused === this)\n\t\t\tView._focused = null;\n\t\tView._views.splice(View._views.indexOf(this), 1);\n\t\tdelete View._viewsById[this._id];\n\t\tvar project = this._project;\n\t\tif (project._view === this)\n\t\t\tproject._view = null;\n\t\tDomEvent.remove(this._element, this._viewEvents);\n\t\tDomEvent.remove(window, this._windowEvents);\n\t\tthis._element = this._project = null;\n\t\tthis.off('frame');\n\t\tthis._animate = false;\n\t\tthis._frameItems = {};\n\t\treturn true;\n\t},\n\n\t_events: Base.each(\n\t\tItem._itemHandlers.concat(['onResize', 'onKeyDown', 'onKeyUp']),\n\t\tfunction(name) {\n\t\t\tthis[name] = {};\n\t\t}, {\n\t\t\tonFrame: {\n\t\t\t\tinstall: function() {\n\t\t\t\t\tthis.play();\n\t\t\t\t},\n\n\t\t\t\tuninstall: function() {\n\t\t\t\t\tthis.pause();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t),\n\n\t_animate: false,\n\t_time: 0,\n\t_count: 0,\n\n\tgetAutoUpdate: function() {\n\t\treturn this._autoUpdate;\n\t},\n\n\tsetAutoUpdate: function(autoUpdate) {\n\t\tthis._autoUpdate = autoUpdate;\n\t\tif (autoUpdate)\n\t\t\tthis.requestUpdate();\n\t},\n\n\tupdate: function() {\n\t},\n\n\tdraw: function() {\n\t\tthis.update();\n\t},\n\n\trequestUpdate: function() {\n\t\tif (!this._requested) {\n\t\t\tvar that = this;\n\t\t\tDomEvent.requestAnimationFrame(function() {\n\t\t\t\tthat._requested = false;\n\t\t\t\tif (that._animate) {\n\t\t\t\t\tthat.requestUpdate();\n\t\t\t\t\tvar element = that._element;\n\t\t\t\t\tif ((!DomElement.getPrefixed(document, 'hidden')\n\t\t\t\t\t\t\t|| PaperScope.getAttribute(element, 'keepalive')\n\t\t\t\t\t\t\t\t=== 'true') && DomElement.isInView(element)) {\n\t\t\t\t\t\tthat._handleFrame();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (that._autoUpdate)\n\t\t\t\t\tthat.update();\n\t\t\t});\n\t\t\tthis._requested = true;\n\t\t}\n\t},\n\n\tplay: function() {\n\t\tthis._animate = true;\n\t\tthis.requestUpdate();\n\t},\n\n\tpause: function() {\n\t\tthis._animate = false;\n\t},\n\n\t_handleFrame: function() {\n\t\tpaper = this._scope;\n\t\tvar now = Date.now() / 1000,\n\t\t\tdelta = this._last ? now - this._last : 0;\n\t\tthis._last = now;\n\t\tthis.emit('frame', new Base({\n\t\t\tdelta: delta,\n\t\t\ttime: this._time += delta,\n\t\t\tcount: this._count++\n\t\t}));\n\t\tif (this._stats)\n\t\t\tthis._stats.update();\n\t},\n\n\t_animateItem: function(item, animate) {\n\t\tvar items = this._frameItems;\n\t\tif (animate) {\n\t\t\titems[item._id] = {\n\t\t\t\titem: item,\n\t\t\t\ttime: 0,\n\t\t\t\tcount: 0\n\t\t\t};\n\t\t\tif (++this._frameItemCount === 1)\n\t\t\t\tthis.on('frame', this._handleFrameItems);\n\t\t} else {\n\t\t\tdelete items[item._id];\n\t\t\tif (--this._frameItemCount === 0) {\n\t\t\t\tthis.off('frame', this._handleFrameItems);\n\t\t\t}\n\t\t}\n\t},\n\n\t_handleFrameItems: function(event) {\n\t\tfor (var i in this._frameItems) {\n\t\t\tvar entry = this._frameItems[i];\n\t\t\tentry.item.emit('frame', new Base(event, {\n\t\t\t\ttime: entry.time += event.delta,\n\t\t\t\tcount: entry.count++\n\t\t\t}));\n\t\t}\n\t},\n\n\t_changed: function() {\n\t\tthis._project._changed(4097);\n\t\tthis._bounds = this._decomposed = undefined;\n\t},\n\n\tgetElement: function() {\n\t\treturn this._element;\n\t},\n\n\tgetPixelRatio: function() {\n\t\treturn this._pixelRatio;\n\t},\n\n\tgetResolution: function() {\n\t\treturn this._pixelRatio * 72;\n\t},\n\n\tgetViewSize: function() {\n\t\tvar size = this._viewSize;\n\t\treturn new LinkedSize(size.width, size.height, this, 'setViewSize');\n\t},\n\n\tsetViewSize: function() {\n\t\tvar size = Size.read(arguments),\n\t\t\tdelta = size.subtract(this._viewSize);\n\t\tif (delta.isZero())\n\t\t\treturn;\n\t\tthis._setElementSize(size.width, size.height);\n\t\tthis._viewSize.set(size);\n\t\tthis._changed();\n\t\tthis.emit('resize', { size: size, delta: delta });\n\t\tif (this._autoUpdate) {\n\t\t\tthis.update();\n\t\t}\n\t},\n\n\t_setElementSize: function(width, height) {\n\t\tvar element = this._element;\n\t\tif (element) {\n\t\t\tif (element.width !== width)\n\t\t\t\telement.width = width;\n\t\t\tif (element.height !== height)\n\t\t\t\telement.height = height;\n\t\t}\n\t},\n\n\tgetBounds: function() {\n\t\tif (!this._bounds)\n\t\t\tthis._bounds = this._matrix.inverted()._transformBounds(\n\t\t\t\t\tnew Rectangle(new Point(), this._viewSize));\n\t\treturn this._bounds;\n\t},\n\n\tgetSize: function() {\n\t\treturn this.getBounds().getSize();\n\t},\n\n\tisVisible: function() {\n\t\treturn DomElement.isInView(this._element);\n\t},\n\n\tisInserted: function() {\n\t\treturn DomElement.isInserted(this._element);\n\t},\n\n\tgetPixelSize: function(size) {\n\t\tvar element = this._element,\n\t\t\tpixels;\n\t\tif (element) {\n\t\t\tvar parent = element.parentNode,\n\t\t\t\ttemp = document.createElement('div');\n\t\t\ttemp.style.fontSize = size;\n\t\t\tparent.appendChild(temp);\n\t\t\tpixels = parseFloat(DomElement.getStyles(temp).fontSize);\n\t\t\tparent.removeChild(temp);\n\t\t} else {\n\t\t\tpixels = parseFloat(pixels);\n\t\t}\n\t\treturn pixels;\n\t},\n\n\tgetTextWidth: function(font, lines) {\n\t\treturn 0;\n\t}\n}, Base.each(['rotate', 'scale', 'shear', 'skew'], function(key) {\n\tvar rotate = key === 'rotate';\n\tthis[key] = function() {\n\t\tvar args = arguments,\n\t\t\tvalue = (rotate ? Base : Point).read(args),\n\t\t\tcenter = Point.read(args, 0, { readNull: true });\n\t\treturn this.transform(new Matrix()[key](value,\n\t\t\t\tcenter || this.getCenter(true)));\n\t};\n}, {\n\t_decompose: function() {\n\t\treturn this._decomposed || (this._decomposed = this._matrix.decompose());\n\t},\n\n\ttranslate: function() {\n\t\tvar mx = new Matrix();\n\t\treturn this.transform(mx.translate.apply(mx, arguments));\n\t},\n\n\tgetCenter: function() {\n\t\treturn this.getBounds().getCenter();\n\t},\n\n\tsetCenter: function() {\n\t\tvar center = Point.read(arguments);\n\t\tthis.translate(this.getCenter().subtract(center));\n\t},\n\n\tgetZoom: function() {\n\t\tvar scaling = this._decompose().scaling;\n\t\treturn (scaling.x + scaling.y) / 2;\n\t},\n\n\tsetZoom: function(zoom) {\n\t\tthis.transform(new Matrix().scale(zoom / this.getZoom(),\n\t\t\tthis.getCenter()));\n\t},\n\n\tgetRotation: function() {\n\t\treturn this._decompose().rotation;\n\t},\n\n\tsetRotation: function(rotation) {\n\t\tvar current = this.getRotation();\n\t\tif (current != null && rotation != null) {\n\t\t\tthis.rotate(rotation - current);\n\t\t}\n\t},\n\n\tgetScaling: function() {\n\t\tvar scaling = this._decompose().scaling;\n\t\treturn new LinkedPoint(scaling.x, scaling.y, this, 'setScaling');\n\t},\n\n\tsetScaling: function() {\n\t\tvar current = this.getScaling(),\n\t\t\tscaling = Point.read(arguments, 0, { clone: true, readNull: true });\n\t\tif (current && scaling) {\n\t\t\tthis.scale(scaling.x / current.x, scaling.y / current.y);\n\t\t}\n\t},\n\n\tgetMatrix: function() {\n\t\treturn this._matrix;\n\t},\n\n\tsetMatrix: function() {\n\t\tvar matrix = this._matrix;\n\t\tmatrix.set.apply(matrix, arguments);\n\t},\n\n\ttransform: function(matrix) {\n\t\tthis._matrix.append(matrix);\n\t},\n\n\tscrollBy: function() {\n\t\tthis.translate(Point.read(arguments).negate());\n\t}\n}), {\n\n\tprojectToView: function() {\n\t\treturn this._matrix._transformPoint(Point.read(arguments));\n\t},\n\n\tviewToProject: function() {\n\t\treturn this._matrix._inverseTransform(Point.read(arguments));\n\t},\n\n\tgetEventPoint: function(event) {\n\t\treturn this.viewToProject(DomEvent.getOffset(event, this._element));\n\t},\n\n}, {\n\tstatics: {\n\t\t_views: [],\n\t\t_viewsById: {},\n\t\t_id: 0,\n\n\t\tcreate: function(project, element) {\n\t\t\tif (document && typeof element === 'string')\n\t\t\t\telement = document.getElementById(element);\n\t\t\tvar ctor = window ? CanvasView : View;\n\t\t\treturn new ctor(project, element);\n\t\t}\n\t}\n},\nnew function() {\n\tif (!window)\n\t\treturn;\n\tvar prevFocus,\n\t\ttempFocus,\n\t\tdragging = false,\n\t\tmouseDown = false;\n\n\tfunction getView(event) {\n\t\tvar target = DomEvent.getTarget(event);\n\t\treturn target.getAttribute && View._viewsById[\n\t\t\t\ttarget.getAttribute('id')];\n\t}\n\n\tfunction updateFocus() {\n\t\tvar view = View._focused;\n\t\tif (!view || !view.isVisible()) {\n\t\t\tfor (var i = 0, l = View._views.length; i < l; i++) {\n\t\t\t\tif ((view = View._views[i]).isVisible()) {\n\t\t\t\t\tView._focused = tempFocus = view;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tfunction handleMouseMove(view, event, point) {\n\t\tview._handleMouseEvent('mousemove', event, point);\n\t}\n\n\tvar navigator = window.navigator,\n\t\tmousedown, mousemove, mouseup;\n\tif (navigator.pointerEnabled || navigator.msPointerEnabled) {\n\t\tmousedown = 'pointerdown MSPointerDown';\n\t\tmousemove = 'pointermove MSPointerMove';\n\t\tmouseup = 'pointerup pointercancel MSPointerUp MSPointerCancel';\n\t} else {\n\t\tmousedown = 'touchstart';\n\t\tmousemove = 'touchmove';\n\t\tmouseup = 'touchend touchcancel';\n\t\tif (!('ontouchstart' in window && navigator.userAgent.match(\n\t\t\t\t/mobile|tablet|ip(ad|hone|od)|android|silk/i))) {\n\t\t\tmousedown += ' mousedown';\n\t\t\tmousemove += ' mousemove';\n\t\t\tmouseup += ' mouseup';\n\t\t}\n\t}\n\n\tvar viewEvents = {},\n\t\tdocEvents = {\n\t\t\tmouseout: function(event) {\n\t\t\t\tvar view = View._focused,\n\t\t\t\t\ttarget = DomEvent.getRelatedTarget(event);\n\t\t\t\tif (view && (!target || target.nodeName === 'HTML')) {\n\t\t\t\t\tvar offset = DomEvent.getOffset(event, view._element),\n\t\t\t\t\t\tx = offset.x,\n\t\t\t\t\t\tabs = Math.abs,\n\t\t\t\t\t\tax = abs(x),\n\t\t\t\t\t\tmax = 1 << 25,\n\t\t\t\t\t\tdiff = ax - max;\n\t\t\t\t\toffset.x = abs(diff) < ax ? diff * (x < 0 ? -1 : 1) : x;\n\t\t\t\t\thandleMouseMove(view, event, view.viewToProject(offset));\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tscroll: updateFocus\n\t\t};\n\n\tviewEvents[mousedown] = function(event) {\n\t\tvar view = View._focused = getView(event);\n\t\tif (!dragging) {\n\t\t\tdragging = true;\n\t\t\tview._handleMouseEvent('mousedown', event);\n\t\t}\n\t};\n\n\tdocEvents[mousemove] = function(event) {\n\t\tvar view = View._focused;\n\t\tif (!mouseDown) {\n\t\t\tvar target = getView(event);\n\t\t\tif (target) {\n\t\t\t\tif (view !== target) {\n\t\t\t\t\tif (view)\n\t\t\t\t\t\thandleMouseMove(view, event);\n\t\t\t\t\tif (!prevFocus)\n\t\t\t\t\t\tprevFocus = view;\n\t\t\t\t\tview = View._focused = tempFocus = target;\n\t\t\t\t}\n\t\t\t} else if (tempFocus && tempFocus === view) {\n\t\t\t\tif (prevFocus && !prevFocus.isInserted())\n\t\t\t\t\tprevFocus = null;\n\t\t\t\tview = View._focused = prevFocus;\n\t\t\t\tprevFocus = null;\n\t\t\t\tupdateFocus();\n\t\t\t}\n\t\t}\n\t\tif (view)\n\t\t\thandleMouseMove(view, event);\n\t};\n\n\tdocEvents[mousedown] = function() {\n\t\tmouseDown = true;\n\t};\n\n\tdocEvents[mouseup] = function(event) {\n\t\tvar view = View._focused;\n\t\tif (view && dragging)\n\t\t\tview._handleMouseEvent('mouseup', event);\n\t\tmouseDown = dragging = false;\n\t};\n\n\tDomEvent.add(document, docEvents);\n\n\tDomEvent.add(window, {\n\t\tload: updateFocus\n\t});\n\n\tvar called = false,\n\t\tprevented = false,\n\t\tfallbacks = {\n\t\t\tdoubleclick: 'click',\n\t\t\tmousedrag: 'mousemove'\n\t\t},\n\t\twasInView = false,\n\t\toverView,\n\t\tdownPoint,\n\t\tlastPoint,\n\t\tdownItem,\n\t\toverItem,\n\t\tdragItem,\n\t\tclickItem,\n\t\tclickTime,\n\t\tdblClick;\n\n\tfunction emitMouseEvent(obj, target, type, event, point, prevPoint,\n\t\t\tstopItem) {\n\t\tvar stopped = false,\n\t\t\tmouseEvent;\n\n\t\tfunction emit(obj, type) {\n\t\t\tif (obj.responds(type)) {\n\t\t\t\tif (!mouseEvent) {\n\t\t\t\t\tmouseEvent = new MouseEvent(type, event, point,\n\t\t\t\t\t\t\ttarget || obj,\n\t\t\t\t\t\t\tprevPoint ? point.subtract(prevPoint) : null);\n\t\t\t\t}\n\t\t\t\tif (obj.emit(type, mouseEvent)) {\n\t\t\t\t\tcalled = true;\n\t\t\t\t\tif (mouseEvent.prevented)\n\t\t\t\t\t\tprevented = true;\n\t\t\t\t\tif (mouseEvent.stopped)\n\t\t\t\t\t\treturn stopped = true;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tvar fallback = fallbacks[type];\n\t\t\t\tif (fallback)\n\t\t\t\t\treturn emit(obj, fallback);\n\t\t\t}\n\t\t}\n\n\t\twhile (obj && obj !== stopItem) {\n\t\t\tif (emit(obj, type))\n\t\t\t\tbreak;\n\t\t\tobj = obj._parent;\n\t\t}\n\t\treturn stopped;\n\t}\n\n\tfunction emitMouseEvents(view, hitItem, type, event, point, prevPoint) {\n\t\tview._project.removeOn(type);\n\t\tprevented = called = false;\n\t\treturn (dragItem && emitMouseEvent(dragItem, null, type, event,\n\t\t\t\t\tpoint, prevPoint)\n\t\t\t|| hitItem && hitItem !== dragItem\n\t\t\t\t&& !hitItem.isDescendant(dragItem)\n\t\t\t\t&& emitMouseEvent(hitItem, null, type === 'mousedrag' ?\n\t\t\t\t\t'mousemove' : type, event, point, prevPoint, dragItem)\n\t\t\t|| emitMouseEvent(view, dragItem || hitItem || view, type, event,\n\t\t\t\t\tpoint, prevPoint));\n\t}\n\n\tvar itemEventsMap = {\n\t\tmousedown: {\n\t\t\tmousedown: 1,\n\t\t\tmousedrag: 1,\n\t\t\tclick: 1,\n\t\t\tdoubleclick: 1\n\t\t},\n\t\tmouseup: {\n\t\t\tmouseup: 1,\n\t\t\tmousedrag: 1,\n\t\t\tclick: 1,\n\t\t\tdoubleclick: 1\n\t\t},\n\t\tmousemove: {\n\t\t\tmousedrag: 1,\n\t\t\tmousemove: 1,\n\t\t\tmouseenter: 1,\n\t\t\tmouseleave: 1\n\t\t}\n\t};\n\n\treturn {\n\t\t_viewEvents: viewEvents,\n\n\t\t_handleMouseEvent: function(type, event, point) {\n\t\t\tvar itemEvents = this._itemEvents,\n\t\t\t\thitItems = itemEvents.native[type],\n\t\t\t\tnativeMove = type === 'mousemove',\n\t\t\t\ttool = this._scope.tool,\n\t\t\t\tview = this;\n\n\t\t\tfunction responds(type) {\n\t\t\t\treturn itemEvents.virtual[type] || view.responds(type)\n\t\t\t\t\t\t|| tool && tool.responds(type);\n\t\t\t}\n\n\t\t\tif (nativeMove && dragging && responds('mousedrag'))\n\t\t\t\ttype = 'mousedrag';\n\t\t\tif (!point)\n\t\t\t\tpoint = this.getEventPoint(event);\n\n\t\t\tvar inView = this.getBounds().contains(point),\n\t\t\t\thit = hitItems && inView && view._project.hitTest(point, {\n\t\t\t\t\ttolerance: 0,\n\t\t\t\t\tfill: true,\n\t\t\t\t\tstroke: true\n\t\t\t\t}),\n\t\t\t\thitItem = hit && hit.item || null,\n\t\t\t\thandle = false,\n\t\t\t\tmouse = {};\n\t\t\tmouse[type.substr(5)] = true;\n\n\t\t\tif (hitItems && hitItem !== overItem) {\n\t\t\t\tif (overItem) {\n\t\t\t\t\temitMouseEvent(overItem, null, 'mouseleave', event, point);\n\t\t\t\t}\n\t\t\t\tif (hitItem) {\n\t\t\t\t\temitMouseEvent(hitItem, null, 'mouseenter', event, point);\n\t\t\t\t}\n\t\t\t\toverItem = hitItem;\n\t\t\t}\n\t\t\tif (wasInView ^ inView) {\n\t\t\t\temitMouseEvent(this, null, inView ? 'mouseenter' : 'mouseleave',\n\t\t\t\t\t\tevent, point);\n\t\t\t\toverView = inView ? this : null;\n\t\t\t\thandle = true;\n\t\t\t}\n\t\t\tif ((inView || mouse.drag) && !point.equals(lastPoint)) {\n\t\t\t\temitMouseEvents(this, hitItem, nativeMove ? type : 'mousemove',\n\t\t\t\t\t\tevent, point, lastPoint);\n\t\t\t\thandle = true;\n\t\t\t}\n\t\t\twasInView = inView;\n\t\t\tif (mouse.down && inView || mouse.up && downPoint) {\n\t\t\t\temitMouseEvents(this, hitItem, type, event, point, downPoint);\n\t\t\t\tif (mouse.down) {\n\t\t\t\t\tdblClick = hitItem === clickItem\n\t\t\t\t\t\t&& (Date.now() - clickTime < 300);\n\t\t\t\t\tdownItem = clickItem = hitItem;\n\t\t\t\t\tif (!prevented && hitItem) {\n\t\t\t\t\t\tvar item = hitItem;\n\t\t\t\t\t\twhile (item && !item.responds('mousedrag'))\n\t\t\t\t\t\t\titem = item._parent;\n\t\t\t\t\t\tif (item)\n\t\t\t\t\t\t\tdragItem = hitItem;\n\t\t\t\t\t}\n\t\t\t\t\tdownPoint = point;\n\t\t\t\t} else if (mouse.up) {\n\t\t\t\t\tif (!prevented && hitItem === downItem) {\n\t\t\t\t\t\tclickTime = Date.now();\n\t\t\t\t\t\temitMouseEvents(this, hitItem, dblClick ? 'doubleclick'\n\t\t\t\t\t\t\t\t: 'click', event, point, downPoint);\n\t\t\t\t\t\tdblClick = false;\n\t\t\t\t\t}\n\t\t\t\t\tdownItem = dragItem = null;\n\t\t\t\t}\n\t\t\t\twasInView = false;\n\t\t\t\thandle = true;\n\t\t\t}\n\t\t\tlastPoint = point;\n\t\t\tif (handle && tool) {\n\t\t\t\tcalled = tool._handleMouseEvent(type, event, point, mouse)\n\t\t\t\t\t|| called;\n\t\t\t}\n\n\t\t\tif (\n\t\t\t\tevent.cancelable !== false\n\t\t\t\t&& (called && !mouse.move || mouse.down && responds('mouseup'))\n\t\t\t) {\n\t\t\t\tevent.preventDefault();\n\t\t\t}\n\t\t},\n\n\t\t_handleKeyEvent: function(type, event, key, character) {\n\t\t\tvar scope = this._scope,\n\t\t\t\ttool = scope.tool,\n\t\t\t\tkeyEvent;\n\n\t\t\tfunction emit(obj) {\n\t\t\t\tif (obj.responds(type)) {\n\t\t\t\t\tpaper = scope;\n\t\t\t\t\tobj.emit(type, keyEvent = keyEvent\n\t\t\t\t\t\t\t|| new KeyEvent(type, event, key, character));\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (this.isVisible()) {\n\t\t\t\temit(this);\n\t\t\t\tif (tool && tool.responds(type))\n\t\t\t\t\temit(tool);\n\t\t\t}\n\t\t},\n\n\t\t_countItemEvent: function(type, sign) {\n\t\t\tvar itemEvents = this._itemEvents,\n\t\t\t\tnative = itemEvents.native,\n\t\t\t\tvirtual = itemEvents.virtual;\n\t\t\tfor (var key in itemEventsMap) {\n\t\t\t\tnative[key] = (native[key] || 0)\n\t\t\t\t\t\t+ (itemEventsMap[key][type] || 0) * sign;\n\t\t\t}\n\t\t\tvirtual[type] = (virtual[type] || 0) + sign;\n\t\t},\n\n\t\tstatics: {\n\t\t\tupdateFocus: updateFocus,\n\n\t\t\t_resetState: function() {\n\t\t\t\tdragging = mouseDown = called = wasInView = false;\n\t\t\t\tprevFocus = tempFocus = overView = downPoint = lastPoint =\n\t\t\t\t\tdownItem = overItem = dragItem = clickItem = clickTime =\n\t\t\t\t\tdblClick = null;\n\t\t\t}\n\t\t}\n\t};\n});\n\nvar CanvasView = View.extend({\n\t_class: 'CanvasView',\n\n\tinitialize: function CanvasView(project, canvas) {\n\t\tif (!(canvas instanceof window.HTMLCanvasElement)) {\n\t\t\tvar size = Size.read(arguments, 1);\n\t\t\tif (size.isZero())\n\t\t\t\tthrow new Error(\n\t\t\t\t\t\t'Cannot create CanvasView with the provided argument: '\n\t\t\t\t\t\t+ Base.slice(arguments, 1));\n\t\t\tcanvas = CanvasProvider.getCanvas(size);\n\t\t}\n\t\tvar ctx = this._context = canvas.getContext('2d');\n\t\tctx.save();\n\t\tthis._pixelRatio = 1;\n\t\tif (!/^off|false$/.test(PaperScope.getAttribute(canvas, 'hidpi'))) {\n\t\t\tvar deviceRatio = window.devicePixelRatio || 1,\n\t\t\t\tbackingStoreRatio = DomElement.getPrefixed(ctx,\n\t\t\t\t\t\t'backingStorePixelRatio') || 1;\n\t\t\tthis._pixelRatio = deviceRatio / backingStoreRatio;\n\t\t}\n\t\tView.call(this, project, canvas);\n\t\tthis._needsUpdate = true;\n\t},\n\n\tremove: function remove() {\n\t\tthis._context.restore();\n\t\treturn remove.base.call(this);\n\t},\n\n\t_setElementSize: function _setElementSize(width, height) {\n\t\tvar pixelRatio = this._pixelRatio;\n\t\t_setElementSize.base.call(this, width * pixelRatio, height * pixelRatio);\n\t\tif (pixelRatio !== 1) {\n\t\t\tvar element = this._element,\n\t\t\t\tctx = this._context;\n\t\t\tif (!PaperScope.hasAttribute(element, 'resize')) {\n\t\t\t\tvar style = element.style;\n\t\t\t\tstyle.width = width + 'px';\n\t\t\t\tstyle.height = height + 'px';\n\t\t\t}\n\t\t\tctx.restore();\n\t\t\tctx.save();\n\t\t\tctx.scale(pixelRatio, pixelRatio);\n\t\t}\n\t},\n\n\tgetContext: function() {\n\t\treturn this._context;\n\t},\n\n\tgetPixelSize: function getPixelSize(size) {\n\t\tvar agent = paper.agent,\n\t\t\tpixels;\n\t\tif (agent && agent.firefox) {\n\t\t\tpixels = getPixelSize.base.call(this, size);\n\t\t} else {\n\t\t\tvar ctx = this._context,\n\t\t\t\tprevFont = ctx.font;\n\t\t\tctx.font = size + ' serif';\n\t\t\tpixels = parseFloat(ctx.font);\n\t\t\tctx.font = prevFont;\n\t\t}\n\t\treturn pixels;\n\t},\n\n\tgetTextWidth: function(font, lines) {\n\t\tvar ctx = this._context,\n\t\t\tprevFont = ctx.font,\n\t\t\twidth = 0;\n\t\tctx.font = font;\n\t\tfor (var i = 0, l = lines.length; i < l; i++)\n\t\t\twidth = Math.max(width, ctx.measureText(lines[i]).width);\n\t\tctx.font = prevFont;\n\t\treturn width;\n\t},\n\n\tupdate: function() {\n\t\tif (!this._needsUpdate)\n\t\t\treturn false;\n\t\tvar project = this._project,\n\t\t\tctx = this._context,\n\t\t\tsize = this._viewSize;\n\t\tctx.clearRect(0, 0, size.width + 1, size.height + 1);\n\t\tif (project)\n\t\t\tproject.draw(ctx, this._matrix, this._pixelRatio);\n\t\tthis._needsUpdate = false;\n\t\treturn true;\n\t}\n});\n\nvar Event = Base.extend({\n\t_class: 'Event',\n\n\tinitialize: function Event(event) {\n\t\tthis.event = event;\n\t\tthis.type = event && event.type;\n\t},\n\n\tprevented: false,\n\tstopped: false,\n\n\tpreventDefault: function() {\n\t\tthis.prevented = true;\n\t\tthis.event.preventDefault();\n\t},\n\n\tstopPropagation: function() {\n\t\tthis.stopped = true;\n\t\tthis.event.stopPropagation();\n\t},\n\n\tstop: function() {\n\t\tthis.stopPropagation();\n\t\tthis.preventDefault();\n\t},\n\n\tgetTimeStamp: function() {\n\t\treturn this.event.timeStamp;\n\t},\n\n\tgetModifiers: function() {\n\t\treturn Key.modifiers;\n\t}\n});\n\nvar KeyEvent = Event.extend({\n\t_class: 'KeyEvent',\n\n\tinitialize: function KeyEvent(type, event, key, character) {\n\t\tthis.type = type;\n\t\tthis.event = event;\n\t\tthis.key = key;\n\t\tthis.character = character;\n\t},\n\n\ttoString: function() {\n\t\treturn \"{ type: '\" + this.type\n\t\t\t\t+ \"', key: '\" + this.key\n\t\t\t\t+ \"', character: '\" + this.character\n\t\t\t\t+ \"', modifiers: \" + this.getModifiers()\n\t\t\t\t+ \" }\";\n\t}\n});\n\nvar Key = new function() {\n\tvar keyLookup = {\n\t\t\t'\\t': 'tab',\n\t\t\t' ': 'space',\n\t\t\t'\\b': 'backspace',\n\t\t\t'\\x7f': 'delete',\n\t\t\t'Spacebar': 'space',\n\t\t\t'Del': 'delete',\n\t\t\t'Win': 'meta',\n\t\t\t'Esc': 'escape'\n\t\t},\n\n\t\tcharLookup = {\n\t\t\t'tab': '\\t',\n\t\t\t'space': ' ',\n\t\t\t'enter': '\\r'\n\t\t},\n\n\t\tkeyMap = {},\n\t\tcharMap = {},\n\t\tmetaFixMap,\n\t\tdownKey,\n\n\t\tmodifiers = new Base({\n\t\t\tshift: false,\n\t\t\tcontrol: false,\n\t\t\talt: false,\n\t\t\tmeta: false,\n\t\t\tcapsLock: false,\n\t\t\tspace: false\n\t\t}).inject({\n\t\t\toption: {\n\t\t\t\tget: function() {\n\t\t\t\t\treturn this.alt;\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tcommand: {\n\t\t\t\tget: function() {\n\t\t\t\t\tvar agent = paper && paper.agent;\n\t\t\t\t\treturn agent && agent.mac ? this.meta : this.control;\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\n\tfunction getKey(event) {\n\t\tvar key = event.key || event.keyIdentifier;\n\t\tkey = /^U\\+/.test(key)\n\t\t\t\t? String.fromCharCode(parseInt(key.substr(2), 16))\n\t\t\t\t: /^Arrow[A-Z]/.test(key) ? key.substr(5)\n\t\t\t\t: key === 'Unidentified'  || key === undefined\n\t\t\t\t\t? String.fromCharCode(event.keyCode)\n\t\t\t\t\t: key;\n\t\treturn keyLookup[key] ||\n\t\t\t\t(key.length > 1 ? Base.hyphenate(key) : key.toLowerCase());\n\t}\n\n\tfunction handleKey(down, key, character, event) {\n\t\tvar type = down ? 'keydown' : 'keyup',\n\t\t\tview = View._focused,\n\t\t\tname;\n\t\tkeyMap[key] = down;\n\t\tif (down) {\n\t\t\tcharMap[key] = character;\n\t\t} else {\n\t\t\tdelete charMap[key];\n\t\t}\n\t\tif (key.length > 1 && (name = Base.camelize(key)) in modifiers) {\n\t\t\tmodifiers[name] = down;\n\t\t\tvar agent = paper && paper.agent;\n\t\t\tif (name === 'meta' && agent && agent.mac) {\n\t\t\t\tif (down) {\n\t\t\t\t\tmetaFixMap = {};\n\t\t\t\t} else {\n\t\t\t\t\tfor (var k in metaFixMap) {\n\t\t\t\t\t\tif (k in charMap)\n\t\t\t\t\t\t\thandleKey(false, k, metaFixMap[k], event);\n\t\t\t\t\t}\n\t\t\t\t\tmetaFixMap = null;\n\t\t\t\t}\n\t\t\t}\n\t\t} else if (down && metaFixMap) {\n\t\t\tmetaFixMap[key] = character;\n\t\t}\n\t\tif (view) {\n\t\t\tview._handleKeyEvent(down ? 'keydown' : 'keyup', event, key,\n\t\t\t\t\tcharacter);\n\t\t}\n\t}\n\n\tDomEvent.add(document, {\n\t\tkeydown: function(event) {\n\t\t\tvar key = getKey(event),\n\t\t\t\tagent = paper && paper.agent;\n\t\t\tif (key.length > 1 || agent && (agent.chrome && (event.altKey\n\t\t\t\t\t\t|| agent.mac && event.metaKey\n\t\t\t\t\t\t|| !agent.mac && event.ctrlKey))) {\n\t\t\t\thandleKey(true, key,\n\t\t\t\t\t\tcharLookup[key] || (key.length > 1 ? '' : key), event);\n\t\t\t} else {\n\t\t\t\tdownKey = key;\n\t\t\t}\n\t\t},\n\n\t\tkeypress: function(event) {\n\t\t\tif (downKey) {\n\t\t\t\tvar key = getKey(event),\n\t\t\t\t\tcode = event.charCode,\n\t\t\t\t\tcharacter = code >= 32 ? String.fromCharCode(code)\n\t\t\t\t\t\t: key.length > 1 ? '' : key;\n\t\t\t\tif (key !== downKey) {\n\t\t\t\t\tkey = character.toLowerCase();\n\t\t\t\t}\n\t\t\t\thandleKey(true, key, character, event);\n\t\t\t\tdownKey = null;\n\t\t\t}\n\t\t},\n\n\t\tkeyup: function(event) {\n\t\t\tvar key = getKey(event);\n\t\t\tif (key in charMap)\n\t\t\t\thandleKey(false, key, charMap[key], event);\n\t\t}\n\t});\n\n\tDomEvent.add(window, {\n\t\tblur: function(event) {\n\t\t\tfor (var key in charMap)\n\t\t\t\thandleKey(false, key, charMap[key], event);\n\t\t}\n\t});\n\n\treturn {\n\t\tmodifiers: modifiers,\n\n\t\tisDown: function(key) {\n\t\t\treturn !!keyMap[key];\n\t\t}\n\t};\n};\n\nvar MouseEvent = Event.extend({\n\t_class: 'MouseEvent',\n\n\tinitialize: function MouseEvent(type, event, point, target, delta) {\n\t\tthis.type = type;\n\t\tthis.event = event;\n\t\tthis.point = point;\n\t\tthis.target = target;\n\t\tthis.delta = delta;\n\t},\n\n\ttoString: function() {\n\t\treturn \"{ type: '\" + this.type\n\t\t\t\t+ \"', point: \" + this.point\n\t\t\t\t+ ', target: ' + this.target\n\t\t\t\t+ (this.delta ? ', delta: ' + this.delta : '')\n\t\t\t\t+ ', modifiers: ' + this.getModifiers()\n\t\t\t\t+ ' }';\n\t}\n});\n\nvar ToolEvent = Event.extend({\n\t_class: 'ToolEvent',\n\t_item: null,\n\n\tinitialize: function ToolEvent(tool, type, event) {\n\t\tthis.tool = tool;\n\t\tthis.type = type;\n\t\tthis.event = event;\n\t},\n\n\t_choosePoint: function(point, toolPoint) {\n\t\treturn point ? point : toolPoint ? toolPoint.clone() : null;\n\t},\n\n\tgetPoint: function() {\n\t\treturn this._choosePoint(this._point, this.tool._point);\n\t},\n\n\tsetPoint: function(point) {\n\t\tthis._point = point;\n\t},\n\n\tgetLastPoint: function() {\n\t\treturn this._choosePoint(this._lastPoint, this.tool._lastPoint);\n\t},\n\n\tsetLastPoint: function(lastPoint) {\n\t\tthis._lastPoint = lastPoint;\n\t},\n\n\tgetDownPoint: function() {\n\t\treturn this._choosePoint(this._downPoint, this.tool._downPoint);\n\t},\n\n\tsetDownPoint: function(downPoint) {\n\t\tthis._downPoint = downPoint;\n\t},\n\n\tgetMiddlePoint: function() {\n\t\tif (!this._middlePoint && this.tool._lastPoint) {\n\t\t\treturn this.tool._point.add(this.tool._lastPoint).divide(2);\n\t\t}\n\t\treturn this._middlePoint;\n\t},\n\n\tsetMiddlePoint: function(middlePoint) {\n\t\tthis._middlePoint = middlePoint;\n\t},\n\n\tgetDelta: function() {\n\t\treturn !this._delta && this.tool._lastPoint\n\t\t\t\t? this.tool._point.subtract(this.tool._lastPoint)\n\t\t\t\t: this._delta;\n\t},\n\n\tsetDelta: function(delta) {\n\t\tthis._delta = delta;\n\t},\n\n\tgetCount: function() {\n\t\treturn this.tool[/^mouse(down|up)$/.test(this.type)\n\t\t\t\t? '_downCount' : '_moveCount'];\n\t},\n\n\tsetCount: function(count) {\n\t\tthis.tool[/^mouse(down|up)$/.test(this.type) ? 'downCount' : 'count']\n\t\t\t= count;\n\t},\n\n\tgetItem: function() {\n\t\tif (!this._item) {\n\t\t\tvar result = this.tool._scope.project.hitTest(this.getPoint());\n\t\t\tif (result) {\n\t\t\t\tvar item = result.item,\n\t\t\t\t\tparent = item._parent;\n\t\t\t\twhile (/^(Group|CompoundPath)$/.test(parent._class)) {\n\t\t\t\t\titem = parent;\n\t\t\t\t\tparent = parent._parent;\n\t\t\t\t}\n\t\t\t\tthis._item = item;\n\t\t\t}\n\t\t}\n\t\treturn this._item;\n\t},\n\n\tsetItem: function(item) {\n\t\tthis._item = item;\n\t},\n\n\ttoString: function() {\n\t\treturn '{ type: ' + this.type\n\t\t\t\t+ ', point: ' + this.getPoint()\n\t\t\t\t+ ', count: ' + this.getCount()\n\t\t\t\t+ ', modifiers: ' + this.getModifiers()\n\t\t\t\t+ ' }';\n\t}\n});\n\nvar Tool = PaperScopeItem.extend({\n\t_class: 'Tool',\n\t_list: 'tools',\n\t_reference: 'tool',\n\t_events: ['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onMouseMove',\n\t\t\t'onActivate', 'onDeactivate', 'onEditOptions', 'onKeyDown',\n\t\t\t'onKeyUp'],\n\n\tinitialize: function Tool(props) {\n\t\tPaperScopeItem.call(this);\n\t\tthis._moveCount = -1;\n\t\tthis._downCount = -1;\n\t\tthis.set(props);\n\t},\n\n\tgetMinDistance: function() {\n\t\treturn this._minDistance;\n\t},\n\n\tsetMinDistance: function(minDistance) {\n\t\tthis._minDistance = minDistance;\n\t\tif (minDistance != null && this._maxDistance != null\n\t\t\t\t&& minDistance > this._maxDistance) {\n\t\t\tthis._maxDistance = minDistance;\n\t\t}\n\t},\n\n\tgetMaxDistance: function() {\n\t\treturn this._maxDistance;\n\t},\n\n\tsetMaxDistance: function(maxDistance) {\n\t\tthis._maxDistance = maxDistance;\n\t\tif (this._minDistance != null && maxDistance != null\n\t\t\t\t&& maxDistance < this._minDistance) {\n\t\t\tthis._minDistance = maxDistance;\n\t\t}\n\t},\n\n\tgetFixedDistance: function() {\n\t\treturn this._minDistance == this._maxDistance\n\t\t\t? this._minDistance : null;\n\t},\n\n\tsetFixedDistance: function(distance) {\n\t\tthis._minDistance = this._maxDistance = distance;\n\t},\n\n\t_handleMouseEvent: function(type, event, point, mouse) {\n\t\tpaper = this._scope;\n\t\tif (mouse.drag && !this.responds(type))\n\t\t\ttype = 'mousemove';\n\t\tvar move = mouse.move || mouse.drag,\n\t\t\tresponds = this.responds(type),\n\t\t\tminDistance = this.minDistance,\n\t\t\tmaxDistance = this.maxDistance,\n\t\t\tcalled = false,\n\t\t\ttool = this;\n\t\tfunction update(minDistance, maxDistance) {\n\t\t\tvar pt = point,\n\t\t\t\ttoolPoint = move ? tool._point : (tool._downPoint || pt);\n\t\t\tif (move) {\n\t\t\t\tif (tool._moveCount >= 0 && pt.equals(toolPoint)) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\tif (toolPoint && (minDistance != null || maxDistance != null)) {\n\t\t\t\t\tvar vector = pt.subtract(toolPoint),\n\t\t\t\t\t\tdistance = vector.getLength();\n\t\t\t\t\tif (distance < (minDistance || 0))\n\t\t\t\t\t\treturn false;\n\t\t\t\t\tif (maxDistance) {\n\t\t\t\t\t\tpt = toolPoint.add(vector.normalize(\n\t\t\t\t\t\t\t\tMath.min(distance, maxDistance)));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\ttool._moveCount++;\n\t\t\t}\n\t\t\ttool._point = pt;\n\t\t\ttool._lastPoint = toolPoint || pt;\n\t\t\tif (mouse.down) {\n\t\t\t\ttool._moveCount = -1;\n\t\t\t\ttool._downPoint = pt;\n\t\t\t\ttool._downCount++;\n\t\t\t}\n\t\t\treturn true;\n\t\t}\n\n\t\tfunction emit() {\n\t\t\tif (responds) {\n\t\t\t\tcalled = tool.emit(type, new ToolEvent(tool, type, event))\n\t\t\t\t\t\t|| called;\n\t\t\t}\n\t\t}\n\n\t\tif (mouse.down) {\n\t\t\tupdate();\n\t\t\temit();\n\t\t} else if (mouse.up) {\n\t\t\tupdate(null, maxDistance);\n\t\t\temit();\n\t\t} else if (responds) {\n\t\t\twhile (update(minDistance, maxDistance))\n\t\t\t\temit();\n\t\t}\n\t\treturn called;\n\t}\n\n});\n\nvar Tween = Base.extend(Emitter, {\n\t_class: 'Tween',\n\n\tstatics: {\n\t\teasings: new Base({\n\t\t\tlinear: function(t) {\n\t\t\t\treturn t;\n\t\t\t},\n\n\t\t\teaseInQuad: function(t) {\n\t\t\t\treturn t * t;\n\t\t\t},\n\n\t\t\teaseOutQuad: function(t) {\n\t\t\t\treturn t * (2 - t);\n\t\t\t},\n\n\t\t\teaseInOutQuad: function(t) {\n\t\t\t\treturn t < 0.5\n\t\t\t\t\t? 2 * t * t\n\t\t\t\t\t: -1 + 2 * (2 - t) * t;\n\t\t\t},\n\n\t\t\teaseInCubic: function(t) {\n\t\t\t\treturn t * t * t;\n\t\t\t},\n\n\t\t\teaseOutCubic: function(t) {\n\t\t\t\treturn --t * t * t + 1;\n\t\t\t},\n\n\t\t\teaseInOutCubic: function(t) {\n\t\t\t\treturn t < 0.5\n\t\t\t\t\t? 4 * t * t * t\n\t\t\t\t\t: (t - 1) * (2 * t - 2) * (2 * t - 2) + 1;\n\t\t\t},\n\n\t\t\teaseInQuart: function(t) {\n\t\t\t\treturn t * t * t * t;\n\t\t\t},\n\n\t\t\teaseOutQuart: function(t) {\n\t\t\t\treturn 1 - (--t) * t * t * t;\n\t\t\t},\n\n\t\t\teaseInOutQuart: function(t) {\n\t\t\t\treturn t < 0.5\n\t\t\t\t\t? 8 * t * t * t * t\n\t\t\t\t\t: 1 - 8 * (--t) * t * t * t;\n\t\t\t},\n\n\t\t\teaseInQuint: function(t) {\n\t\t\t\treturn t * t * t * t * t;\n\t\t\t},\n\n\t\t\teaseOutQuint: function(t) {\n\t\t\t\treturn 1 + --t * t * t * t * t;\n\t\t\t},\n\n\t\t\teaseInOutQuint: function(t) {\n\t\t\t\treturn t < 0.5\n\t\t\t\t\t? 16 * t * t * t * t * t\n\t\t\t\t\t: 1 + 16 * (--t) * t * t * t * t;\n\t\t\t}\n\t\t})\n\t},\n\n\tinitialize: function Tween(object, from, to, duration, easing, start) {\n\t\tthis.object = object;\n\t\tvar type = typeof easing;\n\t\tvar isFunction = type === 'function';\n\t\tthis.type = isFunction\n\t\t\t? type\n\t\t\t: type === 'string'\n\t\t\t\t? easing\n\t\t\t\t: 'linear';\n\t\tthis.easing = isFunction ? easing : Tween.easings[this.type];\n\t\tthis.duration = duration;\n\t\tthis.running = false;\n\n\t\tthis._then = null;\n\t\tthis._startTime = null;\n\t\tvar state = from || to;\n\t\tthis._keys = state ? Object.keys(state) : [];\n\t\tthis._parsedKeys = this._parseKeys(this._keys);\n\t\tthis._from = state && this._getState(from);\n\t\tthis._to = state && this._getState(to);\n\t\tif (start !== false) {\n\t\t\tthis.start();\n\t\t}\n\t},\n\n\tthen: function(then) {\n\t\tthis._then = then;\n\t\treturn this;\n\t},\n\n\tstart: function() {\n\t\tthis._startTime = null;\n\t\tthis.running = true;\n\t\treturn this;\n\t},\n\n\tstop: function() {\n\t\tthis.running = false;\n\t\treturn this;\n\t},\n\n\tupdate: function(progress) {\n\t\tif (this.running) {\n\t\t\tif (progress >= 1) {\n\t\t\t\tprogress = 1;\n\t\t\t\tthis.running = false;\n\t\t\t}\n\n\t\t\tvar factor = this.easing(progress),\n\t\t\t\tkeys = this._keys,\n\t\t\t\tgetValue = function(value) {\n\t\t\t\t\treturn typeof value === 'function'\n\t\t\t\t\t\t? value(factor, progress)\n\t\t\t\t\t\t: value;\n\t\t\t\t};\n\t\t\tfor (var i = 0, l = keys && keys.length; i < l; i++) {\n\t\t\t\tvar key = keys[i],\n\t\t\t\t\tfrom = getValue(this._from[key]),\n\t\t\t\t\tto = getValue(this._to[key]),\n\t\t\t\t\tvalue = (from && to && from.__add && to.__add)\n\t\t\t\t\t\t? to.__subtract(from).__multiply(factor).__add(from)\n\t\t\t\t\t\t: ((to - from) * factor) + from;\n\t\t\t\tthis._setProperty(this._parsedKeys[key], value);\n\t\t\t}\n\n\t\t\tif (this.responds('update')) {\n\t\t\t\tthis.emit('update', new Base({\n\t\t\t\t\tprogress: progress,\n\t\t\t\t\tfactor: factor\n\t\t\t\t}));\n\t\t\t}\n\t\t\tif (!this.running && this._then) {\n\t\t\t\tthis._then(this.object);\n\t\t\t}\n\t\t}\n\t\treturn this;\n\t},\n\n\t_events: {\n\t\tonUpdate: {}\n\t},\n\n\t_handleFrame: function(time) {\n\t\tvar startTime = this._startTime,\n\t\t\tprogress = startTime\n\t\t\t\t? (time - startTime) / this.duration\n\t\t\t\t: 0;\n\t\tif (!startTime) {\n\t\t\tthis._startTime = time;\n\t\t}\n\t\tthis.update(progress);\n\t},\n\n\t_getState: function(state) {\n\t\tvar keys = this._keys,\n\t\t\tresult = {};\n\t\tfor (var i = 0, l = keys.length; i < l; i++) {\n\t\t\tvar key = keys[i],\n\t\t\t\tpath = this._parsedKeys[key],\n\t\t\t\tcurrent = this._getProperty(path),\n\t\t\t\tvalue;\n\t\t\tif (state) {\n\t\t\t\tvar resolved = this._resolveValue(current, state[key]);\n\t\t\t\tthis._setProperty(path, resolved);\n\t\t\t\tvalue = this._getProperty(path);\n\t\t\t\tvalue = value && value.clone ? value.clone() : value;\n\t\t\t\tthis._setProperty(path, current);\n\t\t\t} else {\n\t\t\t\tvalue = current && current.clone ? current.clone() : current;\n\t\t\t}\n\t\t\tresult[key] = value;\n\t\t}\n\t\treturn result;\n\t},\n\n\t_resolveValue: function(current, value) {\n\t\tif (value) {\n\t\t\tif (Array.isArray(value) && value.length === 2) {\n\t\t\t\tvar operator = value[0];\n\t\t\t\treturn (\n\t\t\t\t\toperator &&\n\t\t\t\t\toperator.match &&\n\t\t\t\t\toperator.match(/^[+\\-\\*\\/]=/)\n\t\t\t\t)\n\t\t\t\t\t? this._calculate(current, operator[0], value[1])\n\t\t\t\t\t: value;\n\t\t\t} else if (typeof value === 'string') {\n\t\t\t\tvar match = value.match(/^[+\\-*/]=(.*)/);\n\t\t\t\tif (match) {\n\t\t\t\t\tvar parsed = JSON.parse(match[1].replace(\n\t\t\t\t\t\t/(['\"])?([a-zA-Z0-9_]+)(['\"])?:/g,\n\t\t\t\t\t\t'\"$2\": '\n\t\t\t\t\t));\n\t\t\t\t\treturn this._calculate(current, value[0], parsed);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn value;\n\t},\n\n\t_calculate: function(left, operator, right) {\n\t\treturn paper.PaperScript.calculateBinary(left, operator, right);\n\t},\n\n\t_parseKeys: function(keys) {\n\t\tvar parsed = {};\n\t\tfor (var i = 0, l = keys.length; i < l; i++) {\n\t\t\tvar key = keys[i],\n\t\t\t\tpath = key\n\t\t\t\t\t.replace(/\\.([^.]*)/g, '/$1')\n\t\t\t\t\t.replace(/\\[['\"]?([^'\"\\]]*)['\"]?\\]/g, '/$1');\n\t\t\tparsed[key] = path.split('/');\n\t\t}\n\t\treturn parsed;\n\t},\n\n\t_getProperty: function(path, offset) {\n\t\tvar obj = this.object;\n\t\tfor (var i = 0, l = path.length - (offset || 0); i < l && obj; i++) {\n\t\t\tobj = obj[path[i]];\n\t\t}\n\t\treturn obj;\n\t},\n\n\t_setProperty: function(path, value) {\n\t\tvar dest = this._getProperty(path, 1);\n\t\tif (dest) {\n\t\t\tdest[path[path.length - 1]] = value;\n\t\t}\n\t}\n});\n\nvar Http = {\n\trequest: function(options) {\n\t\tvar xhr = new self.XMLHttpRequest();\n\t\txhr.open((options.method || 'get').toUpperCase(), options.url,\n\t\t\t\tBase.pick(options.async, true));\n\t\tif (options.mimeType)\n\t\t\txhr.overrideMimeType(options.mimeType);\n\t\txhr.onload = function() {\n\t\t\tvar status = xhr.status;\n\t\t\tif (status === 0 || status === 200) {\n\t\t\t\tif (options.onLoad) {\n\t\t\t\t\toptions.onLoad.call(xhr, xhr.responseText);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\txhr.onerror();\n\t\t\t}\n\t\t};\n\t\txhr.onerror = function() {\n\t\t\tvar status = xhr.status,\n\t\t\t\tmessage = 'Could not load \"' + options.url + '\" (Status: '\n\t\t\t\t\t\t+ status + ')';\n\t\t\tif (options.onError) {\n\t\t\t\toptions.onError(message, status);\n\t\t\t} else {\n\t\t\t\tthrow new Error(message);\n\t\t\t}\n\t\t};\n\t\treturn xhr.send(null);\n\t}\n};\n\nvar CanvasProvider = Base.exports.CanvasProvider = {\n\tcanvases: [],\n\n\tgetCanvas: function(width, height) {\n\t\tif (!window)\n\t\t\treturn null;\n\t\tvar canvas,\n\t\t\tclear = true;\n\t\tif (typeof width === 'object') {\n\t\t\theight = width.height;\n\t\t\twidth = width.width;\n\t\t}\n\t\tif (this.canvases.length) {\n\t\t\tcanvas = this.canvases.pop();\n\t\t} else {\n\t\t\tcanvas = document.createElement('canvas');\n\t\t\tclear = false;\n\t\t}\n\t\tvar ctx = canvas.getContext('2d');\n\t\tif (!ctx) {\n\t\t\tthrow new Error('Canvas ' + canvas +\n\t\t\t\t\t' is unable to provide a 2D context.');\n\t\t}\n\t\tif (canvas.width === width && canvas.height === height) {\n\t\t\tif (clear)\n\t\t\t\tctx.clearRect(0, 0, width + 1, height + 1);\n\t\t} else {\n\t\t\tcanvas.width = width;\n\t\t\tcanvas.height = height;\n\t\t}\n\t\tctx.save();\n\t\treturn canvas;\n\t},\n\n\tgetContext: function(width, height) {\n\t\tvar canvas = this.getCanvas(width, height);\n\t\treturn canvas ? canvas.getContext('2d') : null;\n\t},\n\n\trelease: function(obj) {\n\t\tvar canvas = obj && obj.canvas ? obj.canvas : obj;\n\t\tif (canvas && canvas.getContext) {\n\t\t\tcanvas.getContext('2d').restore();\n\t\t\tthis.canvases.push(canvas);\n\t\t}\n\t}\n};\n\nvar BlendMode = new function() {\n\tvar min = Math.min,\n\t\tmax = Math.max,\n\t\tabs = Math.abs,\n\t\tsr, sg, sb, sa,\n\t\tbr, bg, bb, ba,\n\t\tdr, dg, db;\n\n\tfunction getLum(r, g, b) {\n\t\treturn 0.2989 * r + 0.587 * g + 0.114 * b;\n\t}\n\n\tfunction setLum(r, g, b, l) {\n\t\tvar d = l - getLum(r, g, b);\n\t\tdr = r + d;\n\t\tdg = g + d;\n\t\tdb = b + d;\n\t\tvar l = getLum(dr, dg, db),\n\t\t\tmn = min(dr, dg, db),\n\t\t\tmx = max(dr, dg, db);\n\t\tif (mn < 0) {\n\t\t\tvar lmn = l - mn;\n\t\t\tdr = l + (dr - l) * l / lmn;\n\t\t\tdg = l + (dg - l) * l / lmn;\n\t\t\tdb = l + (db - l) * l / lmn;\n\t\t}\n\t\tif (mx > 255) {\n\t\t\tvar ln = 255 - l,\n\t\t\t\tmxl = mx - l;\n\t\t\tdr = l + (dr - l) * ln / mxl;\n\t\t\tdg = l + (dg - l) * ln / mxl;\n\t\t\tdb = l + (db - l) * ln / mxl;\n\t\t}\n\t}\n\n\tfunction getSat(r, g, b) {\n\t\treturn max(r, g, b) - min(r, g, b);\n\t}\n\n\tfunction setSat(r, g, b, s) {\n\t\tvar col = [r, g, b],\n\t\t\tmx = max(r, g, b),\n\t\t\tmn = min(r, g, b),\n\t\t\tmd;\n\t\tmn = mn === r ? 0 : mn === g ? 1 : 2;\n\t\tmx = mx === r ? 0 : mx === g ? 1 : 2;\n\t\tmd = min(mn, mx) === 0 ? max(mn, mx) === 1 ? 2 : 1 : 0;\n\t\tif (col[mx] > col[mn]) {\n\t\t\tcol[md] = (col[md] - col[mn]) * s / (col[mx] - col[mn]);\n\t\t\tcol[mx] = s;\n\t\t} else {\n\t\t\tcol[md] = col[mx] = 0;\n\t\t}\n\t\tcol[mn] = 0;\n\t\tdr = col[0];\n\t\tdg = col[1];\n\t\tdb = col[2];\n\t}\n\n\tvar modes = {\n\t\tmultiply: function() {\n\t\t\tdr = br * sr / 255;\n\t\t\tdg = bg * sg / 255;\n\t\t\tdb = bb * sb / 255;\n\t\t},\n\n\t\tscreen: function() {\n\t\t\tdr = br + sr - (br * sr / 255);\n\t\t\tdg = bg + sg - (bg * sg / 255);\n\t\t\tdb = bb + sb - (bb * sb / 255);\n\t\t},\n\n\t\toverlay: function() {\n\t\t\tdr = br < 128 ? 2 * br * sr / 255 : 255 - 2 * (255 - br) * (255 - sr) / 255;\n\t\t\tdg = bg < 128 ? 2 * bg * sg / 255 : 255 - 2 * (255 - bg) * (255 - sg) / 255;\n\t\t\tdb = bb < 128 ? 2 * bb * sb / 255 : 255 - 2 * (255 - bb) * (255 - sb) / 255;\n\t\t},\n\n\t\t'soft-light': function() {\n\t\t\tvar t = sr * br / 255;\n\t\t\tdr = t + br * (255 - (255 - br) * (255 - sr) / 255 - t) / 255;\n\t\t\tt = sg * bg / 255;\n\t\t\tdg = t + bg * (255 - (255 - bg) * (255 - sg) / 255 - t) / 255;\n\t\t\tt = sb * bb / 255;\n\t\t\tdb = t + bb * (255 - (255 - bb) * (255 - sb) / 255 - t) / 255;\n\t\t},\n\n\t\t'hard-light': function() {\n\t\t\tdr = sr < 128 ? 2 * sr * br / 255 : 255 - 2 * (255 - sr) * (255 - br) / 255;\n\t\t\tdg = sg < 128 ? 2 * sg * bg / 255 : 255 - 2 * (255 - sg) * (255 - bg) / 255;\n\t\t\tdb = sb < 128 ? 2 * sb * bb / 255 : 255 - 2 * (255 - sb) * (255 - bb) / 255;\n\t\t},\n\n\t\t'color-dodge': function() {\n\t\t\tdr = br === 0 ? 0 : sr === 255 ? 255 : min(255, 255 * br / (255 - sr));\n\t\t\tdg = bg === 0 ? 0 : sg === 255 ? 255 : min(255, 255 * bg / (255 - sg));\n\t\t\tdb = bb === 0 ? 0 : sb === 255 ? 255 : min(255, 255 * bb / (255 - sb));\n\t\t},\n\n\t\t'color-burn': function() {\n\t\t\tdr = br === 255 ? 255 : sr === 0 ? 0 : max(0, 255 - (255 - br) * 255 / sr);\n\t\t\tdg = bg === 255 ? 255 : sg === 0 ? 0 : max(0, 255 - (255 - bg) * 255 / sg);\n\t\t\tdb = bb === 255 ? 255 : sb === 0 ? 0 : max(0, 255 - (255 - bb) * 255 / sb);\n\t\t},\n\n\t\tdarken: function() {\n\t\t\tdr = br < sr ? br : sr;\n\t\t\tdg = bg < sg ? bg : sg;\n\t\t\tdb = bb < sb ? bb : sb;\n\t\t},\n\n\t\tlighten: function() {\n\t\t\tdr = br > sr ? br : sr;\n\t\t\tdg = bg > sg ? bg : sg;\n\t\t\tdb = bb > sb ? bb : sb;\n\t\t},\n\n\t\tdifference: function() {\n\t\t\tdr = br - sr;\n\t\t\tif (dr < 0)\n\t\t\t\tdr = -dr;\n\t\t\tdg = bg - sg;\n\t\t\tif (dg < 0)\n\t\t\t\tdg = -dg;\n\t\t\tdb = bb - sb;\n\t\t\tif (db < 0)\n\t\t\t\tdb = -db;\n\t\t},\n\n\t\texclusion: function() {\n\t\t\tdr = br + sr * (255 - br - br) / 255;\n\t\t\tdg = bg + sg * (255 - bg - bg) / 255;\n\t\t\tdb = bb + sb * (255 - bb - bb) / 255;\n\t\t},\n\n\t\thue: function() {\n\t\t\tsetSat(sr, sg, sb, getSat(br, bg, bb));\n\t\t\tsetLum(dr, dg, db, getLum(br, bg, bb));\n\t\t},\n\n\t\tsaturation: function() {\n\t\t\tsetSat(br, bg, bb, getSat(sr, sg, sb));\n\t\t\tsetLum(dr, dg, db, getLum(br, bg, bb));\n\t\t},\n\n\t\tluminosity: function() {\n\t\t\tsetLum(br, bg, bb, getLum(sr, sg, sb));\n\t\t},\n\n\t\tcolor: function() {\n\t\t\tsetLum(sr, sg, sb, getLum(br, bg, bb));\n\t\t},\n\n\t\tadd: function() {\n\t\t\tdr = min(br + sr, 255);\n\t\t\tdg = min(bg + sg, 255);\n\t\t\tdb = min(bb + sb, 255);\n\t\t},\n\n\t\tsubtract: function() {\n\t\t\tdr = max(br - sr, 0);\n\t\t\tdg = max(bg - sg, 0);\n\t\t\tdb = max(bb - sb, 0);\n\t\t},\n\n\t\taverage: function() {\n\t\t\tdr = (br + sr) / 2;\n\t\t\tdg = (bg + sg) / 2;\n\t\t\tdb = (bb + sb) / 2;\n\t\t},\n\n\t\tnegation: function() {\n\t\t\tdr = 255 - abs(255 - sr - br);\n\t\t\tdg = 255 - abs(255 - sg - bg);\n\t\t\tdb = 255 - abs(255 - sb - bb);\n\t\t}\n\t};\n\n\tvar nativeModes = this.nativeModes = Base.each([\n\t\t'source-over', 'source-in', 'source-out', 'source-atop',\n\t\t'destination-over', 'destination-in', 'destination-out',\n\t\t'destination-atop', 'lighter', 'darker', 'copy', 'xor'\n\t], function(mode) {\n\t\tthis[mode] = true;\n\t}, {});\n\n\tvar ctx = CanvasProvider.getContext(1, 1);\n\tif (ctx) {\n\t\tBase.each(modes, function(func, mode) {\n\t\t\tvar darken = mode === 'darken',\n\t\t\t\tok = false;\n\t\t\tctx.save();\n\t\t\ttry {\n\t\t\t\tctx.fillStyle = darken ? '#300' : '#a00';\n\t\t\t\tctx.fillRect(0, 0, 1, 1);\n\t\t\t\tctx.globalCompositeOperation = mode;\n\t\t\t\tif (ctx.globalCompositeOperation === mode) {\n\t\t\t\t\tctx.fillStyle = darken ? '#a00' : '#300';\n\t\t\t\t\tctx.fillRect(0, 0, 1, 1);\n\t\t\t\t\tok = ctx.getImageData(0, 0, 1, 1).data[0] !== darken\n\t\t\t\t\t\t\t? 170 : 51;\n\t\t\t\t}\n\t\t\t} catch (e) {}\n\t\t\tctx.restore();\n\t\t\tnativeModes[mode] = ok;\n\t\t});\n\t\tCanvasProvider.release(ctx);\n\t}\n\n\tthis.process = function(mode, srcContext, dstContext, alpha, offset) {\n\t\tvar srcCanvas = srcContext.canvas,\n\t\t\tnormal = mode === 'normal';\n\t\tif (normal || nativeModes[mode]) {\n\t\t\tdstContext.save();\n\t\t\tdstContext.setTransform(1, 0, 0, 1, 0, 0);\n\t\t\tdstContext.globalAlpha = alpha;\n\t\t\tif (!normal)\n\t\t\t\tdstContext.globalCompositeOperation = mode;\n\t\t\tdstContext.drawImage(srcCanvas, offset.x, offset.y);\n\t\t\tdstContext.restore();\n\t\t} else {\n\t\t\tvar process = modes[mode];\n\t\t\tif (!process)\n\t\t\t\treturn;\n\t\t\tvar dstData = dstContext.getImageData(offset.x, offset.y,\n\t\t\t\t\tsrcCanvas.width, srcCanvas.height),\n\t\t\t\tdst = dstData.data,\n\t\t\t\tsrc = srcContext.getImageData(0, 0,\n\t\t\t\t\tsrcCanvas.width, srcCanvas.height).data;\n\t\t\tfor (var i = 0, l = dst.length; i < l; i += 4) {\n\t\t\t\tsr = src[i];\n\t\t\t\tbr = dst[i];\n\t\t\t\tsg = src[i + 1];\n\t\t\t\tbg = dst[i + 1];\n\t\t\t\tsb = src[i + 2];\n\t\t\t\tbb = dst[i + 2];\n\t\t\t\tsa = src[i + 3];\n\t\t\t\tba = dst[i + 3];\n\t\t\t\tprocess();\n\t\t\t\tvar a1 = sa * alpha / 255,\n\t\t\t\t\ta2 = 1 - a1;\n\t\t\t\tdst[i] = a1 * dr + a2 * br;\n\t\t\t\tdst[i + 1] = a1 * dg + a2 * bg;\n\t\t\t\tdst[i + 2] = a1 * db + a2 * bb;\n\t\t\t\tdst[i + 3] = sa * alpha + a2 * ba;\n\t\t\t}\n\t\t\tdstContext.putImageData(dstData, offset.x, offset.y);\n\t\t}\n\t};\n};\n\nvar SvgElement = new function() {\n\tvar svg = 'http://www.w3.org/2000/svg',\n\t\txmlns = 'http://www.w3.org/2000/xmlns',\n\t\txlink = 'http://www.w3.org/1999/xlink',\n\t\tattributeNamespace = {\n\t\t\thref: xlink,\n\t\t\txlink: xmlns,\n\t\t\txmlns: xmlns + '/',\n\t\t\t'xmlns:xlink': xmlns + '/'\n\t\t};\n\n\tfunction create(tag, attributes, formatter) {\n\t\treturn set(document.createElementNS(svg, tag), attributes, formatter);\n\t}\n\n\tfunction get(node, name) {\n\t\tvar namespace = attributeNamespace[name],\n\t\t\tvalue = namespace\n\t\t\t\t? node.getAttributeNS(namespace, name)\n\t\t\t\t: node.getAttribute(name);\n\t\treturn value === 'null' ? null : value;\n\t}\n\n\tfunction set(node, attributes, formatter) {\n\t\tfor (var name in attributes) {\n\t\t\tvar value = attributes[name],\n\t\t\t\tnamespace = attributeNamespace[name];\n\t\t\tif (typeof value === 'number' && formatter)\n\t\t\t\tvalue = formatter.number(value);\n\t\t\tif (namespace) {\n\t\t\t\tnode.setAttributeNS(namespace, name, value);\n\t\t\t} else {\n\t\t\t\tnode.setAttribute(name, value);\n\t\t\t}\n\t\t}\n\t\treturn node;\n\t}\n\n\treturn {\n\t\tsvg: svg,\n\t\txmlns: xmlns,\n\t\txlink: xlink,\n\n\t\tcreate: create,\n\t\tget: get,\n\t\tset: set\n\t};\n};\n\nvar SvgStyles = Base.each({\n\tfillColor: ['fill', 'color'],\n\tfillRule: ['fill-rule', 'string'],\n\tstrokeColor: ['stroke', 'color'],\n\tstrokeWidth: ['stroke-width', 'number'],\n\tstrokeCap: ['stroke-linecap', 'string'],\n\tstrokeJoin: ['stroke-linejoin', 'string'],\n\tstrokeScaling: ['vector-effect', 'lookup', {\n\t\ttrue: 'none',\n\t\tfalse: 'non-scaling-stroke'\n\t}, function(item, value) {\n\t\treturn !value\n\t\t\t\t&& (item instanceof PathItem\n\t\t\t\t\t|| item instanceof Shape\n\t\t\t\t\t|| item instanceof TextItem);\n\t}],\n\tmiterLimit: ['stroke-miterlimit', 'number'],\n\tdashArray: ['stroke-dasharray', 'array'],\n\tdashOffset: ['stroke-dashoffset', 'number'],\n\tfontFamily: ['font-family', 'string'],\n\tfontWeight: ['font-weight', 'string'],\n\tfontSize: ['font-size', 'number'],\n\tjustification: ['text-anchor', 'lookup', {\n\t\tleft: 'start',\n\t\tcenter: 'middle',\n\t\tright: 'end'\n\t}],\n\topacity: ['opacity', 'number'],\n\tblendMode: ['mix-blend-mode', 'style']\n}, function(entry, key) {\n\tvar part = Base.capitalize(key),\n\t\tlookup = entry[2];\n\tthis[key] = {\n\t\ttype: entry[1],\n\t\tproperty: key,\n\t\tattribute: entry[0],\n\t\ttoSVG: lookup,\n\t\tfromSVG: lookup && Base.each(lookup, function(value, name) {\n\t\t\tthis[value] = name;\n\t\t}, {}),\n\t\texportFilter: entry[3],\n\t\tget: 'get' + part,\n\t\tset: 'set' + part\n\t};\n}, {});\n\nnew function() {\n\tvar formatter;\n\n\tfunction getTransform(matrix, coordinates, center) {\n\t\tvar attrs = new Base(),\n\t\t\ttrans = matrix.getTranslation();\n\t\tif (coordinates) {\n\t\t\tvar point;\n\t\t\tif (matrix.isInvertible()) {\n\t\t\t\tmatrix = matrix._shiftless();\n\t\t\t\tpoint = matrix._inverseTransform(trans);\n\t\t\t\ttrans = null;\n\t\t\t} else {\n\t\t\t\tpoint = new Point();\n\t\t\t}\n\t\t\tattrs[center ? 'cx' : 'x'] = point.x;\n\t\t\tattrs[center ? 'cy' : 'y'] = point.y;\n\t\t}\n\t\tif (!matrix.isIdentity()) {\n\t\t\tvar decomposed = matrix.decompose();\n\t\t\tif (decomposed) {\n\t\t\t\tvar parts = [],\n\t\t\t\t\tangle = decomposed.rotation,\n\t\t\t\t\tscale = decomposed.scaling,\n\t\t\t\t\tskew = decomposed.skewing;\n\t\t\t\tif (trans && !trans.isZero())\n\t\t\t\t\tparts.push('translate(' + formatter.point(trans) + ')');\n\t\t\t\tif (angle)\n\t\t\t\t\tparts.push('rotate(' + formatter.number(angle) + ')');\n\t\t\t\tif (!Numerical.isZero(scale.x - 1)\n\t\t\t\t\t\t|| !Numerical.isZero(scale.y - 1))\n\t\t\t\t\tparts.push('scale(' + formatter.point(scale) +')');\n\t\t\t\tif (skew.x)\n\t\t\t\t\tparts.push('skewX(' + formatter.number(skew.x) + ')');\n\t\t\t\tif (skew.y)\n\t\t\t\t\tparts.push('skewY(' + formatter.number(skew.y) + ')');\n\t\t\t\tattrs.transform = parts.join(' ');\n\t\t\t} else {\n\t\t\t\tattrs.transform = 'matrix(' + matrix.getValues().join(',') + ')';\n\t\t\t}\n\t\t}\n\t\treturn attrs;\n\t}\n\n\tfunction exportGroup(item, options) {\n\t\tvar attrs = getTransform(item._matrix),\n\t\t\tchildren = item._children;\n\t\tvar node = SvgElement.create('g', attrs, formatter);\n\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\tvar child = children[i];\n\t\t\tvar childNode = exportSVG(child, options);\n\t\t\tif (childNode) {\n\t\t\t\tif (child.isClipMask()) {\n\t\t\t\t\tvar clip = SvgElement.create('clipPath');\n\t\t\t\t\tclip.appendChild(childNode);\n\t\t\t\t\tsetDefinition(child, clip, 'clip');\n\t\t\t\t\tSvgElement.set(node, {\n\t\t\t\t\t\t'clip-path': 'url(#' + clip.id + ')'\n\t\t\t\t\t});\n\t\t\t\t} else {\n\t\t\t\t\tnode.appendChild(childNode);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn node;\n\t}\n\n\tfunction exportRaster(item, options) {\n\t\tvar attrs = getTransform(item._matrix, true),\n\t\t\tsize = item.getSize(),\n\t\t\timage = item.getImage();\n\t\tattrs.x -= size.width / 2;\n\t\tattrs.y -= size.height / 2;\n\t\tattrs.width = size.width;\n\t\tattrs.height = size.height;\n\t\tattrs.href = options.embedImages == false && image && image.src\n\t\t\t\t|| item.toDataURL();\n\t\treturn SvgElement.create('image', attrs, formatter);\n\t}\n\n\tfunction exportPath(item, options) {\n\t\tvar matchShapes = options.matchShapes;\n\t\tif (matchShapes) {\n\t\t\tvar shape = item.toShape(false);\n\t\t\tif (shape)\n\t\t\t\treturn exportShape(shape, options);\n\t\t}\n\t\tvar segments = item._segments,\n\t\t\tlength = segments.length,\n\t\t\ttype,\n\t\t\tattrs = getTransform(item._matrix);\n\t\tif (matchShapes && length >= 2 && !item.hasHandles()) {\n\t\t\tif (length > 2) {\n\t\t\t\ttype = item._closed ? 'polygon' : 'polyline';\n\t\t\t\tvar parts = [];\n\t\t\t\tfor (var i = 0; i < length; i++) {\n\t\t\t\t\tparts.push(formatter.point(segments[i]._point));\n\t\t\t\t}\n\t\t\t\tattrs.points = parts.join(' ');\n\t\t\t} else {\n\t\t\t\ttype = 'line';\n\t\t\t\tvar start = segments[0]._point,\n\t\t\t\t\tend = segments[1]._point;\n\t\t\t\tattrs.set({\n\t\t\t\t\tx1: start.x,\n\t\t\t\t\ty1: start.y,\n\t\t\t\t\tx2: end.x,\n\t\t\t\t\ty2: end.y\n\t\t\t\t});\n\t\t\t}\n\t\t} else {\n\t\t\ttype = 'path';\n\t\t\tattrs.d = item.getPathData(null, options.precision);\n\t\t}\n\t\treturn SvgElement.create(type, attrs, formatter);\n\t}\n\n\tfunction exportShape(item) {\n\t\tvar type = item._type,\n\t\t\tradius = item._radius,\n\t\t\tattrs = getTransform(item._matrix, true, type !== 'rectangle');\n\t\tif (type === 'rectangle') {\n\t\t\ttype = 'rect';\n\t\t\tvar size = item._size,\n\t\t\t\twidth = size.width,\n\t\t\t\theight = size.height;\n\t\t\tattrs.x -= width / 2;\n\t\t\tattrs.y -= height / 2;\n\t\t\tattrs.width = width;\n\t\t\tattrs.height = height;\n\t\t\tif (radius.isZero())\n\t\t\t\tradius = null;\n\t\t}\n\t\tif (radius) {\n\t\t\tif (type === 'circle') {\n\t\t\t\tattrs.r = radius;\n\t\t\t} else {\n\t\t\t\tattrs.rx = radius.width;\n\t\t\t\tattrs.ry = radius.height;\n\t\t\t}\n\t\t}\n\t\treturn SvgElement.create(type, attrs, formatter);\n\t}\n\n\tfunction exportCompoundPath(item, options) {\n\t\tvar attrs = getTransform(item._matrix);\n\t\tvar data = item.getPathData(null, options.precision);\n\t\tif (data)\n\t\t\tattrs.d = data;\n\t\treturn SvgElement.create('path', attrs, formatter);\n\t}\n\n\tfunction exportSymbolItem(item, options) {\n\t\tvar attrs = getTransform(item._matrix, true),\n\t\t\tdefinition = item._definition,\n\t\t\tnode = getDefinition(definition, 'symbol'),\n\t\t\tdefinitionItem = definition._item,\n\t\t\tbounds = definitionItem.getStrokeBounds();\n\t\tif (!node) {\n\t\t\tnode = SvgElement.create('symbol', {\n\t\t\t\tviewBox: formatter.rectangle(bounds)\n\t\t\t});\n\t\t\tnode.appendChild(exportSVG(definitionItem, options));\n\t\t\tsetDefinition(definition, node, 'symbol');\n\t\t}\n\t\tattrs.href = '#' + node.id;\n\t\tattrs.x += bounds.x;\n\t\tattrs.y += bounds.y;\n\t\tattrs.width = bounds.width;\n\t\tattrs.height = bounds.height;\n\t\tattrs.overflow = 'visible';\n\t\treturn SvgElement.create('use', attrs, formatter);\n\t}\n\n\tfunction exportGradient(color) {\n\t\tvar gradientNode = getDefinition(color, 'color');\n\t\tif (!gradientNode) {\n\t\t\tvar gradient = color.getGradient(),\n\t\t\t\tradial = gradient._radial,\n\t\t\t\torigin = color.getOrigin(),\n\t\t\t\tdestination = color.getDestination(),\n\t\t\t\tattrs;\n\t\t\tif (radial) {\n\t\t\t\tattrs = {\n\t\t\t\t\tcx: origin.x,\n\t\t\t\t\tcy: origin.y,\n\t\t\t\t\tr: origin.getDistance(destination)\n\t\t\t\t};\n\t\t\t\tvar highlight = color.getHighlight();\n\t\t\t\tif (highlight) {\n\t\t\t\t\tattrs.fx = highlight.x;\n\t\t\t\t\tattrs.fy = highlight.y;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tattrs = {\n\t\t\t\t\tx1: origin.x,\n\t\t\t\t\ty1: origin.y,\n\t\t\t\t\tx2: destination.x,\n\t\t\t\t\ty2: destination.y\n\t\t\t\t};\n\t\t\t}\n\t\t\tattrs.gradientUnits = 'userSpaceOnUse';\n\t\t\tgradientNode = SvgElement.create((radial ? 'radial' : 'linear')\n\t\t\t\t\t+ 'Gradient', attrs, formatter);\n\t\t\tvar stops = gradient._stops;\n\t\t\tfor (var i = 0, l = stops.length; i < l; i++) {\n\t\t\t\tvar stop = stops[i],\n\t\t\t\t\tstopColor = stop._color,\n\t\t\t\t\talpha = stopColor.getAlpha(),\n\t\t\t\t\toffset = stop._offset;\n\t\t\t\tattrs = {\n\t\t\t\t\toffset: offset == null ? i / (l - 1) : offset\n\t\t\t\t};\n\t\t\t\tif (stopColor)\n\t\t\t\t\tattrs['stop-color'] = stopColor.toCSS(true);\n\t\t\t\tif (alpha < 1)\n\t\t\t\t\tattrs['stop-opacity'] = alpha;\n\t\t\t\tgradientNode.appendChild(\n\t\t\t\t\t\tSvgElement.create('stop', attrs, formatter));\n\t\t\t}\n\t\t\tsetDefinition(color, gradientNode, 'color');\n\t\t}\n\t\treturn 'url(#' + gradientNode.id + ')';\n\t}\n\n\tfunction exportText(item) {\n\t\tvar node = SvgElement.create('text', getTransform(item._matrix, true),\n\t\t\t\tformatter);\n\t\tnode.textContent = item._content;\n\t\treturn node;\n\t}\n\n\tvar exporters = {\n\t\tGroup: exportGroup,\n\t\tLayer: exportGroup,\n\t\tRaster: exportRaster,\n\t\tPath: exportPath,\n\t\tShape: exportShape,\n\t\tCompoundPath: exportCompoundPath,\n\t\tSymbolItem: exportSymbolItem,\n\t\tPointText: exportText\n\t};\n\n\tfunction applyStyle(item, node, isRoot) {\n\t\tvar attrs = {},\n\t\t\tparent = !isRoot && item.getParent(),\n\t\t\tstyle = [];\n\n\t\tif (item._name != null)\n\t\t\tattrs.id = item._name;\n\n\t\tBase.each(SvgStyles, function(entry) {\n\t\t\tvar get = entry.get,\n\t\t\t\ttype = entry.type,\n\t\t\t\tvalue = item[get]();\n\t\t\tif (entry.exportFilter\n\t\t\t\t\t? entry.exportFilter(item, value)\n\t\t\t\t\t: !parent || !Base.equals(parent[get](), value)) {\n\t\t\t\tif (type === 'color' && value != null) {\n\t\t\t\t\tvar alpha = value.getAlpha();\n\t\t\t\t\tif (alpha < 1)\n\t\t\t\t\t\tattrs[entry.attribute + '-opacity'] = alpha;\n\t\t\t\t}\n\t\t\t\tif (type === 'style') {\n\t\t\t\t\tstyle.push(entry.attribute + ': ' + value);\n\t\t\t\t} else {\n\t\t\t\t\tattrs[entry.attribute] = value == null ? 'none'\n\t\t\t\t\t\t\t: type === 'color' ? value.gradient\n\t\t\t\t\t\t\t\t? exportGradient(value, item)\n\t\t\t\t\t\t\t\t: value.toCSS(true)\n\t\t\t\t\t\t\t: type === 'array' ? value.join(',')\n\t\t\t\t\t\t\t: type === 'lookup' ? entry.toSVG[value]\n\t\t\t\t\t\t\t: value;\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\n\t\tif (style.length)\n\t\t\tattrs.style = style.join(';');\n\n\t\tif (attrs.opacity === 1)\n\t\t\tdelete attrs.opacity;\n\n\t\tif (!item._visible)\n\t\t\tattrs.visibility = 'hidden';\n\n\t\treturn SvgElement.set(node, attrs, formatter);\n\t}\n\n\tvar definitions;\n\tfunction getDefinition(item, type) {\n\t\tif (!definitions)\n\t\t\tdefinitions = { ids: {}, svgs: {} };\n\t\treturn item && definitions.svgs[type + '-'\n\t\t\t\t+ (item._id || item.__id || (item.__id = UID.get('svg')))];\n\t}\n\n\tfunction setDefinition(item, node, type) {\n\t\tif (!definitions)\n\t\t\tgetDefinition();\n\t\tvar typeId = definitions.ids[type] = (definitions.ids[type] || 0) + 1;\n\t\tnode.id = type + '-' + typeId;\n\t\tdefinitions.svgs[type + '-' + (item._id || item.__id)] = node;\n\t}\n\n\tfunction exportDefinitions(node, options) {\n\t\tvar svg = node,\n\t\t\tdefs = null;\n\t\tif (definitions) {\n\t\t\tsvg = node.nodeName.toLowerCase() === 'svg' && node;\n\t\t\tfor (var i in definitions.svgs) {\n\t\t\t\tif (!defs) {\n\t\t\t\t\tif (!svg) {\n\t\t\t\t\t\tsvg = SvgElement.create('svg');\n\t\t\t\t\t\tsvg.appendChild(node);\n\t\t\t\t\t}\n\t\t\t\t\tdefs = svg.insertBefore(SvgElement.create('defs'),\n\t\t\t\t\t\t\tsvg.firstChild);\n\t\t\t\t}\n\t\t\t\tdefs.appendChild(definitions.svgs[i]);\n\t\t\t}\n\t\t\tdefinitions = null;\n\t\t}\n\t\treturn options.asString\n\t\t\t\t? new self.XMLSerializer().serializeToString(svg)\n\t\t\t\t: svg;\n\t}\n\n\tfunction exportSVG(item, options, isRoot) {\n\t\tvar exporter = exporters[item._class],\n\t\t\tnode = exporter && exporter(item, options);\n\t\tif (node) {\n\t\t\tvar onExport = options.onExport;\n\t\t\tif (onExport)\n\t\t\t\tnode = onExport(item, node, options) || node;\n\t\t\tvar data = JSON.stringify(item._data);\n\t\t\tif (data && data !== '{}' && data !== 'null')\n\t\t\t\tnode.setAttribute('data-paper-data', data);\n\t\t}\n\t\treturn node && applyStyle(item, node, isRoot);\n\t}\n\n\tfunction setOptions(options) {\n\t\tif (!options)\n\t\t\toptions = {};\n\t\tformatter = new Formatter(options.precision);\n\t\treturn options;\n\t}\n\n\tItem.inject({\n\t\texportSVG: function(options) {\n\t\t\toptions = setOptions(options);\n\t\t\treturn exportDefinitions(exportSVG(this, options, true), options);\n\t\t}\n\t});\n\n\tProject.inject({\n\t\texportSVG: function(options) {\n\t\t\toptions = setOptions(options);\n\t\t\tvar children = this._children,\n\t\t\t\tview = this.getView(),\n\t\t\t\tbounds = Base.pick(options.bounds, 'view'),\n\t\t\t\tmx = options.matrix || bounds === 'view' && view._matrix,\n\t\t\t\tmatrix = mx && Matrix.read([mx]),\n\t\t\t\trect = bounds === 'view'\n\t\t\t\t\t? new Rectangle([0, 0], view.getViewSize())\n\t\t\t\t\t: bounds === 'content'\n\t\t\t\t\t\t? Item._getBounds(children, matrix, { stroke: true })\n\t\t\t\t\t\t\t.rect\n\t\t\t\t\t\t: Rectangle.read([bounds], 0, { readNull: true }),\n\t\t\t\tattrs = {\n\t\t\t\t\tversion: '1.1',\n\t\t\t\t\txmlns: SvgElement.svg,\n\t\t\t\t\t'xmlns:xlink': SvgElement.xlink,\n\t\t\t\t};\n\t\t\tif (rect) {\n\t\t\t\tattrs.width = rect.width;\n\t\t\t\tattrs.height = rect.height;\n\t\t\t\tif (rect.x || rect.x === 0 || rect.y || rect.y === 0)\n\t\t\t\t\tattrs.viewBox = formatter.rectangle(rect);\n\t\t\t}\n\t\t\tvar node = SvgElement.create('svg', attrs, formatter),\n\t\t\t\tparent = node;\n\t\t\tif (matrix && !matrix.isIdentity()) {\n\t\t\t\tparent = node.appendChild(SvgElement.create('g',\n\t\t\t\t\t\tgetTransform(matrix), formatter));\n\t\t\t}\n\t\t\tfor (var i = 0, l = children.length; i < l; i++) {\n\t\t\t\tparent.appendChild(exportSVG(children[i], options, true));\n\t\t\t}\n\t\t\treturn exportDefinitions(node, options);\n\t\t}\n\t});\n};\n\nnew function() {\n\n\tvar definitions = {},\n\t\trootSize;\n\n\tfunction getValue(node, name, isString, allowNull, allowPercent,\n\t\t\tdefaultValue) {\n\t\tvar value = SvgElement.get(node, name) || defaultValue,\n\t\t\tres = value == null\n\t\t\t\t? allowNull\n\t\t\t\t\t? null\n\t\t\t\t\t: isString ? '' : 0\n\t\t\t\t: isString\n\t\t\t\t\t? value\n\t\t\t\t\t: parseFloat(value);\n\t\treturn /%\\s*$/.test(value)\n\t\t\t? (res / 100) * (allowPercent ? 1\n\t\t\t\t: rootSize[/x|^width/.test(name) ? 'width' : 'height'])\n\t\t\t: res;\n\t}\n\n\tfunction getPoint(node, x, y, allowNull, allowPercent, defaultX, defaultY) {\n\t\tx = getValue(node, x || 'x', false, allowNull, allowPercent, defaultX);\n\t\ty = getValue(node, y || 'y', false, allowNull, allowPercent, defaultY);\n\t\treturn allowNull && (x == null || y == null) ? null\n\t\t\t\t: new Point(x, y);\n\t}\n\n\tfunction getSize(node, w, h, allowNull, allowPercent) {\n\t\tw = getValue(node, w || 'width', false, allowNull, allowPercent);\n\t\th = getValue(node, h || 'height', false, allowNull, allowPercent);\n\t\treturn allowNull && (w == null || h == null) ? null\n\t\t\t\t: new Size(w, h);\n\t}\n\n\tfunction convertValue(value, type, lookup) {\n\t\treturn value === 'none' ? null\n\t\t\t\t: type === 'number' ? parseFloat(value)\n\t\t\t\t: type === 'array' ?\n\t\t\t\t\tvalue ? value.split(/[\\s,]+/g).map(parseFloat) : []\n\t\t\t\t: type === 'color' ? getDefinition(value) || value\n\t\t\t\t: type === 'lookup' ? lookup[value]\n\t\t\t\t: value;\n\t}\n\n\tfunction importGroup(node, type, options, isRoot) {\n\t\tvar nodes = node.childNodes,\n\t\t\tisClip = type === 'clippath',\n\t\t\tisDefs = type === 'defs',\n\t\t\titem = new Group(),\n\t\t\tproject = item._project,\n\t\t\tcurrentStyle = project._currentStyle,\n\t\t\tchildren = [];\n\t\tif (!isClip && !isDefs) {\n\t\t\titem = applyAttributes(item, node, isRoot);\n\t\t\tproject._currentStyle = item._style.clone();\n\t\t}\n\t\tif (isRoot) {\n\t\t\tvar defs = node.querySelectorAll('defs');\n\t\t\tfor (var i = 0, l = defs.length; i < l; i++) {\n\t\t\t\timportNode(defs[i], options, false);\n\t\t\t}\n\t\t}\n\t\tfor (var i = 0, l = nodes.length; i < l; i++) {\n\t\t\tvar childNode = nodes[i],\n\t\t\t\tchild;\n\t\t\tif (childNode.nodeType === 1\n\t\t\t\t\t&& !/^defs$/i.test(childNode.nodeName)\n\t\t\t\t\t&& (child = importNode(childNode, options, false))\n\t\t\t\t\t&& !(child instanceof SymbolDefinition))\n\t\t\t\tchildren.push(child);\n\t\t}\n\t\titem.addChildren(children);\n\t\tif (isClip)\n\t\t\titem = applyAttributes(item.reduce(), node, isRoot);\n\t\tproject._currentStyle = currentStyle;\n\t\tif (isClip || isDefs) {\n\t\t\titem.remove();\n\t\t\titem = null;\n\t\t}\n\t\treturn item;\n\t}\n\n\tfunction importPoly(node, type) {\n\t\tvar coords = node.getAttribute('points').match(\n\t\t\t\t\t/[+-]?(?:\\d*\\.\\d+|\\d+\\.?)(?:[eE][+-]?\\d+)?/g),\n\t\t\tpoints = [];\n\t\tfor (var i = 0, l = coords.length; i < l; i += 2)\n\t\t\tpoints.push(new Point(\n\t\t\t\t\tparseFloat(coords[i]),\n\t\t\t\t\tparseFloat(coords[i + 1])));\n\t\tvar path = new Path(points);\n\t\tif (type === 'polygon')\n\t\t\tpath.closePath();\n\t\treturn path;\n\t}\n\n\tfunction importPath(node) {\n\t\treturn PathItem.create(node.getAttribute('d'));\n\t}\n\n\tfunction importGradient(node, type) {\n\t\tvar id = (getValue(node, 'href', true) || '').substring(1),\n\t\t\tradial = type === 'radialgradient',\n\t\t\tgradient;\n\t\tif (id) {\n\t\t\tgradient = definitions[id].getGradient();\n\t\t\tif (gradient._radial ^ radial) {\n\t\t\t\tgradient = gradient.clone();\n\t\t\t\tgradient._radial = radial;\n\t\t\t}\n\t\t} else {\n\t\t\tvar nodes = node.childNodes,\n\t\t\t\tstops = [];\n\t\t\tfor (var i = 0, l = nodes.length; i < l; i++) {\n\t\t\t\tvar child = nodes[i];\n\t\t\t\tif (child.nodeType === 1)\n\t\t\t\t\tstops.push(applyAttributes(new GradientStop(), child));\n\t\t\t}\n\t\t\tgradient = new Gradient(stops, radial);\n\t\t}\n\t\tvar origin, destination, highlight,\n\t\t\tscaleToBounds = getValue(node, 'gradientUnits', true) !==\n\t\t\t\t'userSpaceOnUse';\n\t\tif (radial) {\n\t\t\torigin = getPoint(node, 'cx', 'cy', false, scaleToBounds,\n\t\t\t\t'50%', '50%');\n\t\t\tdestination = origin.add(\n\t\t\t\tgetValue(node, 'r', false, false, scaleToBounds, '50%'), 0);\n\t\t\thighlight = getPoint(node, 'fx', 'fy', true, scaleToBounds);\n\t\t} else {\n\t\t\torigin = getPoint(node, 'x1', 'y1', false, scaleToBounds,\n\t\t\t\t'0%', '0%');\n\t\t\tdestination = getPoint(node, 'x2', 'y2', false, scaleToBounds,\n\t\t\t\t'100%', '0%');\n\t\t}\n\t\tvar color = applyAttributes(\n\t\t\t\tnew Color(gradient, origin, destination, highlight), node);\n\t\tcolor._scaleToBounds = scaleToBounds;\n\t\treturn null;\n\t}\n\n\tvar importers = {\n\t\t'#document': function (node, type, options, isRoot) {\n\t\t\tvar nodes = node.childNodes;\n\t\t\tfor (var i = 0, l = nodes.length; i < l; i++) {\n\t\t\t\tvar child = nodes[i];\n\t\t\t\tif (child.nodeType === 1)\n\t\t\t\t\treturn importNode(child, options, isRoot);\n\t\t\t}\n\t\t},\n\t\tg: importGroup,\n\t\tsvg: importGroup,\n\t\tclippath: importGroup,\n\t\tpolygon: importPoly,\n\t\tpolyline: importPoly,\n\t\tpath: importPath,\n\t\tlineargradient: importGradient,\n\t\tradialgradient: importGradient,\n\n\t\timage: function (node) {\n\t\t\tvar raster = new Raster(getValue(node, 'href', true));\n\t\t\traster.on('load', function() {\n\t\t\t\tvar size = getSize(node);\n\t\t\t\tthis.setSize(size);\n\t\t\t\tvar center = getPoint(node).add(size.divide(2));\n\t\t\t\tthis._matrix.append(new Matrix().translate(center));\n\t\t\t});\n\t\t\treturn raster;\n\t\t},\n\n\t\tsymbol: function(node, type, options, isRoot) {\n\t\t\treturn new SymbolDefinition(\n\t\t\t\t\timportGroup(node, type, options, isRoot), true);\n\t\t},\n\n\t\tdefs: importGroup,\n\n\t\tuse: function(node) {\n\t\t\tvar id = (getValue(node, 'href', true) || '').substring(1),\n\t\t\t\tdefinition = definitions[id],\n\t\t\t\tpoint = getPoint(node);\n\t\t\treturn definition\n\t\t\t\t\t? definition instanceof SymbolDefinition\n\t\t\t\t\t\t? definition.place(point)\n\t\t\t\t\t\t: definition.clone().translate(point)\n\t\t\t\t\t: null;\n\t\t},\n\n\t\tcircle: function(node) {\n\t\t\treturn new Shape.Circle(\n\t\t\t\t\tgetPoint(node, 'cx', 'cy'),\n\t\t\t\t\tgetValue(node, 'r'));\n\t\t},\n\n\t\tellipse: function(node) {\n\t\t\treturn new Shape.Ellipse({\n\t\t\t\tcenter: getPoint(node, 'cx', 'cy'),\n\t\t\t\tradius: getSize(node, 'rx', 'ry')\n\t\t\t});\n\t\t},\n\n\t\trect: function(node) {\n\t\t\treturn new Shape.Rectangle(new Rectangle(\n\t\t\t\t\t\tgetPoint(node),\n\t\t\t\t\t\tgetSize(node)\n\t\t\t\t\t), getSize(node, 'rx', 'ry'));\n\t\t\t},\n\n\t\tline: function(node) {\n\t\t\treturn new Path.Line(\n\t\t\t\t\tgetPoint(node, 'x1', 'y1'),\n\t\t\t\t\tgetPoint(node, 'x2', 'y2'));\n\t\t},\n\n\t\ttext: function(node) {\n\t\t\tvar text = new PointText(getPoint(node).add(\n\t\t\t\t\tgetPoint(node, 'dx', 'dy')));\n\t\t\ttext.setContent(node.textContent.trim() || '');\n\t\t\treturn text;\n\t\t},\n\n\t\tswitch: importGroup\n\t};\n\n\tfunction applyTransform(item, value, name, node) {\n\t\tif (item.transform) {\n\t\t\tvar transforms = (node.getAttribute(name) || '').split(/\\)\\s*/g),\n\t\t\t\tmatrix = new Matrix();\n\t\t\tfor (var i = 0, l = transforms.length; i < l; i++) {\n\t\t\t\tvar transform = transforms[i];\n\t\t\t\tif (!transform)\n\t\t\t\t\tbreak;\n\t\t\t\tvar parts = transform.split(/\\(\\s*/),\n\t\t\t\t\tcommand = parts[0],\n\t\t\t\t\tv = parts[1].split(/[\\s,]+/g);\n\t\t\t\tfor (var j = 0, m = v.length; j < m; j++)\n\t\t\t\t\tv[j] = parseFloat(v[j]);\n\t\t\t\tswitch (command) {\n\t\t\t\tcase 'matrix':\n\t\t\t\t\tmatrix.append(\n\t\t\t\t\t\t\tnew Matrix(v[0], v[1], v[2], v[3], v[4], v[5]));\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'rotate':\n\t\t\t\t\tmatrix.rotate(v[0], v[1] || 0, v[2] || 0);\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'translate':\n\t\t\t\t\tmatrix.translate(v[0], v[1] || 0);\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'scale':\n\t\t\t\t\tmatrix.scale(v);\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'skewX':\n\t\t\t\t\tmatrix.skew(v[0], 0);\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'skewY':\n\t\t\t\t\tmatrix.skew(0, v[0]);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\titem.transform(matrix);\n\t\t}\n\t}\n\n\tfunction applyOpacity(item, value, name) {\n\t\tvar key = name === 'fill-opacity' ? 'getFillColor' : 'getStrokeColor',\n\t\t\tcolor = item[key] && item[key]();\n\t\tif (color)\n\t\t\tcolor.setAlpha(parseFloat(value));\n\t}\n\n\tvar attributes = Base.set(Base.each(SvgStyles, function(entry) {\n\t\tthis[entry.attribute] = function(item, value) {\n\t\t\tif (item[entry.set]) {\n\t\t\t\titem[entry.set](convertValue(value, entry.type, entry.fromSVG));\n\t\t\t\tif (entry.type === 'color') {\n\t\t\t\t\tvar color = item[entry.get]();\n\t\t\t\t\tif (color) {\n\t\t\t\t\t\tif (color._scaleToBounds) {\n\t\t\t\t\t\t\tvar bounds = item.getBounds();\n\t\t\t\t\t\t\tcolor.transform(new Matrix()\n\t\t\t\t\t\t\t\t.translate(bounds.getPoint())\n\t\t\t\t\t\t\t\t.scale(bounds.getSize()));\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}, {}), {\n\t\tid: function(item, value) {\n\t\t\tdefinitions[value] = item;\n\t\t\tif (item.setName)\n\t\t\t\titem.setName(value);\n\t\t},\n\n\t\t'clip-path': function(item, value) {\n\t\t\tvar clip = getDefinition(value);\n\t\t\tif (clip) {\n\t\t\t\tclip = clip.clone();\n\t\t\t\tclip.setClipMask(true);\n\t\t\t\tif (item instanceof Group) {\n\t\t\t\t\titem.insertChild(0, clip);\n\t\t\t\t} else {\n\t\t\t\t\treturn new Group(clip, item);\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\tgradientTransform: applyTransform,\n\t\ttransform: applyTransform,\n\n\t\t'fill-opacity': applyOpacity,\n\t\t'stroke-opacity': applyOpacity,\n\n\t\tvisibility: function(item, value) {\n\t\t\tif (item.setVisible)\n\t\t\t\titem.setVisible(value === 'visible');\n\t\t},\n\n\t\tdisplay: function(item, value) {\n\t\t\tif (item.setVisible)\n\t\t\t\titem.setVisible(value !== null);\n\t\t},\n\n\t\t'stop-color': function(item, value) {\n\t\t\tif (item.setColor)\n\t\t\t\titem.setColor(value);\n\t\t},\n\n\t\t'stop-opacity': function(item, value) {\n\t\t\tif (item._color)\n\t\t\t\titem._color.setAlpha(parseFloat(value));\n\t\t},\n\n\t\toffset: function(item, value) {\n\t\t\tif (item.setOffset) {\n\t\t\t\tvar percent = value.match(/(.*)%$/);\n\t\t\t\titem.setOffset(percent ? percent[1] / 100 : parseFloat(value));\n\t\t\t}\n\t\t},\n\n\t\tviewBox: function(item, value, name, node, styles) {\n\t\t\tvar rect = new Rectangle(convertValue(value, 'array')),\n\t\t\t\tsize = getSize(node, null, null, true),\n\t\t\t\tgroup,\n\t\t\t\tmatrix;\n\t\t\tif (item instanceof Group) {\n\t\t\t\tvar scale = size ? size.divide(rect.getSize()) : 1,\n\t\t\t\tmatrix = new Matrix().scale(scale)\n\t\t\t\t\t\t.translate(rect.getPoint().negate());\n\t\t\t\tgroup = item;\n\t\t\t} else if (item instanceof SymbolDefinition) {\n\t\t\t\tif (size)\n\t\t\t\t\trect.setSize(size);\n\t\t\t\tgroup = item._item;\n\t\t\t}\n\t\t\tif (group)  {\n\t\t\t\tif (getAttribute(node, 'overflow', styles) !== 'visible') {\n\t\t\t\t\tvar clip = new Shape.Rectangle(rect);\n\t\t\t\t\tclip.setClipMask(true);\n\t\t\t\t\tgroup.addChild(clip);\n\t\t\t\t}\n\t\t\t\tif (matrix)\n\t\t\t\t\tgroup.transform(matrix);\n\t\t\t}\n\t\t}\n\t});\n\n\tfunction getAttribute(node, name, styles) {\n\t\tvar attr = node.attributes[name],\n\t\t\tvalue = attr && attr.value;\n\t\tif (!value && node.style) {\n\t\t\tvar style = Base.camelize(name);\n\t\t\tvalue = node.style[style];\n\t\t\tif (!value && styles.node[style] !== styles.parent[style])\n\t\t\t\tvalue = styles.node[style];\n\t\t}\n\t\treturn !value ? undefined\n\t\t\t\t: value === 'none' ? null\n\t\t\t\t: value;\n\t}\n\n\tfunction applyAttributes(item, node, isRoot) {\n\t\tvar parent = node.parentNode,\n\t\t\tstyles = {\n\t\t\t\tnode: DomElement.getStyles(node) || {},\n\t\t\t\tparent: !isRoot && !/^defs$/i.test(parent.tagName)\n\t\t\t\t\t\t&& DomElement.getStyles(parent) || {}\n\t\t\t};\n\t\tBase.each(attributes, function(apply, name) {\n\t\t\tvar value = getAttribute(node, name, styles);\n\t\t\titem = value !== undefined\n\t\t\t\t\t&& apply(item, value, name, node, styles) || item;\n\t\t});\n\t\treturn item;\n\t}\n\n\tfunction getDefinition(value) {\n\t\tvar match = value && value.match(/\\((?:[\"'#]*)([^\"')]+)/),\n\t\t\tname = match && match[1],\n\t\t\tres = name && definitions[window\n\t\t\t\t\t? name.replace(window.location.href.split('#')[0] + '#', '')\n\t\t\t\t\t: name];\n\t\tif (res && res._scaleToBounds) {\n\t\t\tres = res.clone();\n\t\t\tres._scaleToBounds = true;\n\t\t}\n\t\treturn res;\n\t}\n\n\tfunction importNode(node, options, isRoot) {\n\t\tvar type = node.nodeName.toLowerCase(),\n\t\t\tisElement = type !== '#document',\n\t\t\tbody = document.body,\n\t\t\tcontainer,\n\t\t\tparent,\n\t\t\tnext;\n\t\tif (isRoot && isElement) {\n\t\t\trootSize = paper.getView().getSize();\n\t\t\trootSize = getSize(node, null, null, true) || rootSize;\n\t\t\tcontainer = SvgElement.create('svg', {\n\t\t\t\tstyle: 'stroke-width: 1px; stroke-miterlimit: 10'\n\t\t\t});\n\t\t\tparent = node.parentNode;\n\t\t\tnext = node.nextSibling;\n\t\t\tcontainer.appendChild(node);\n\t\t\tbody.appendChild(container);\n\t\t}\n\t\tvar settings = paper.settings,\n\t\t\tapplyMatrix = settings.applyMatrix,\n\t\t\tinsertItems = settings.insertItems;\n\t\tsettings.applyMatrix = false;\n\t\tsettings.insertItems = false;\n\t\tvar importer = importers[type],\n\t\t\titem = importer && importer(node, type, options, isRoot) || null;\n\t\tsettings.insertItems = insertItems;\n\t\tsettings.applyMatrix = applyMatrix;\n\t\tif (item) {\n\t\t\tif (isElement && !(item instanceof Group))\n\t\t\t\titem = applyAttributes(item, node, isRoot);\n\t\t\tvar onImport = options.onImport,\n\t\t\t\tdata = isElement && node.getAttribute('data-paper-data');\n\t\t\tif (onImport)\n\t\t\t\titem = onImport(node, item, options) || item;\n\t\t\tif (options.expandShapes && item instanceof Shape) {\n\t\t\t\titem.remove();\n\t\t\t\titem = item.toPath();\n\t\t\t}\n\t\t\tif (data)\n\t\t\t\titem._data = JSON.parse(data);\n\t\t}\n\t\tif (container) {\n\t\t\tbody.removeChild(container);\n\t\t\tif (parent) {\n\t\t\t\tif (next) {\n\t\t\t\t\tparent.insertBefore(node, next);\n\t\t\t\t} else {\n\t\t\t\t\tparent.appendChild(node);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (isRoot) {\n\t\t\tdefinitions = {};\n\t\t\tif (item && Base.pick(options.applyMatrix, applyMatrix))\n\t\t\t\titem.matrix.apply(true, true);\n\t\t}\n\t\treturn item;\n\t}\n\n\tfunction importSVG(source, options, owner) {\n\t\tif (!source)\n\t\t\treturn null;\n\t\toptions = typeof options === 'function' ? { onLoad: options }\n\t\t\t\t: options || {};\n\t\tvar scope = paper,\n\t\t\titem = null;\n\n\t\tfunction onLoad(svg) {\n\t\t\ttry {\n\t\t\t\tvar node = typeof svg === 'object'\n\t\t\t\t\t? svg\n\t\t\t\t\t: new self.DOMParser().parseFromString(\n\t\t\t\t\t\tsvg.trim(),\n\t\t\t\t\t\t'image/svg+xml'\n\t\t\t\t\t);\n\t\t\t\tif (!node.nodeName) {\n\t\t\t\t\tnode = null;\n\t\t\t\t\tthrow new Error('Unsupported SVG source: ' + source);\n\t\t\t\t}\n\t\t\t\tpaper = scope;\n\t\t\t\titem = importNode(node, options, true);\n\t\t\t\tif (!options || options.insert !== false) {\n\t\t\t\t\towner._insertItem(undefined, item);\n\t\t\t\t}\n\t\t\t\tvar onLoad = options.onLoad;\n\t\t\t\tif (onLoad)\n\t\t\t\t\tonLoad(item, svg);\n\t\t\t} catch (e) {\n\t\t\t\tonError(e);\n\t\t\t}\n\t\t}\n\n\t\tfunction onError(message, status) {\n\t\t\tvar onError = options.onError;\n\t\t\tif (onError) {\n\t\t\t\tonError(message, status);\n\t\t\t} else {\n\t\t\t\tthrow new Error(message);\n\t\t\t}\n\t\t}\n\n\t\tif (typeof source === 'string' && !/^[\\s\\S]*</.test(source)) {\n\t\t\tvar node = document.getElementById(source);\n\t\t\tif (node) {\n\t\t\t\tonLoad(node);\n\t\t\t} else {\n\t\t\t\tHttp.request({\n\t\t\t\t\turl: source,\n\t\t\t\t\tasync: true,\n\t\t\t\t\tonLoad: onLoad,\n\t\t\t\t\tonError: onError\n\t\t\t\t});\n\t\t\t}\n\t\t} else if (typeof File !== 'undefined' && source instanceof File) {\n\t\t\tvar reader = new FileReader();\n\t\t\treader.onload = function() {\n\t\t\t\tonLoad(reader.result);\n\t\t\t};\n\t\t\treader.onerror = function() {\n\t\t\t\tonError(reader.error);\n\t\t\t};\n\t\t\treturn reader.readAsText(source);\n\t\t} else {\n\t\t\tonLoad(source);\n\t\t}\n\n\t\treturn item;\n\t}\n\n\tItem.inject({\n\t\timportSVG: function(node, options) {\n\t\t\treturn importSVG(node, options, this);\n\t\t}\n\t});\n\n\tProject.inject({\n\t\timportSVG: function(node, options) {\n\t\t\tthis.activate();\n\t\t\treturn importSVG(node, options, this);\n\t\t}\n\t});\n};\n\nvar paper = new (PaperScope.inject(Base.exports, {\n\tBase: Base,\n\tNumerical: Numerical,\n\tKey: Key,\n\tDomEvent: DomEvent,\n\tDomElement: DomElement,\n\tdocument: document,\n\twindow: window,\n\tSymbol: SymbolDefinition,\n\tPlacedSymbol: SymbolItem\n}))();\n\nif (paper.agent.node) {\n\t__webpack_require__(/*! ./node/extend.js */ \"?d469\")(paper);\n}\n\nif (true) {\n\t!(__WEBPACK_AMD_DEFINE_FACTORY__ = (paper),\n\t\t__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?\n\t\t(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :\n\t\t__WEBPACK_AMD_DEFINE_FACTORY__),\n\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else {}\n\nreturn paper;\n}.call(this, typeof self === 'object' ? self : null);\n\n\n//# sourceURL=webpack:///./node_modules/paper/dist/paper-core.js?");
-
-/***/ }),
-
 /***/ "./node_modules/paper/dist/paper-full.js":
 /*!***********************************************!*\
   !*** ./node_modules/paper/dist/paper-full.js ***!
@@ -46,7 +36,7 @@ eval("var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPAC
 /***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
 
 "use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var paper__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! paper */ \"./node_modules/paper/dist/paper-full.js\");\n/* harmony import */ var paper__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(paper__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var paper_dist_paper_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! paper/dist/paper-core */ \"./node_modules/paper/dist/paper-core.js\");\n/* harmony import */ var paper_dist_paper_core__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(paper_dist_paper_core__WEBPACK_IMPORTED_MODULE_1__);\n\n\n\nlet objects = [];\n\nclass Asteroid{\n    constructor(size, position, velocity=new paper__WEBPACK_IMPORTED_MODULE_0__.Point(0, 0)){\n        this.size = size;\n        this.position = position;\n        this.velocity = velocity;\n        this.path = new paper__WEBPACK_IMPORTED_MODULE_0__.Path.RegularPolygon(this.position, Math.max(5, Math.ceil(Math.random()*10)), this.size);\n        this.path.segments.forEach(elem => {\n            elem.point = elem.point.add(new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()*15, Math.random()*15));\n        });\n        this.path.strokeColor = \"#ffffff\";\n        objects.push(this);\n    }\n\n    update(){\n        this.position = this.position.add(this.velocity);\n        this.path.position = this.position;\n\n        if(this.position.x > canvas.width + this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(-this.size,  this.position.y);\n        }else if(this.position.x < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width+this.size,  this.position.y);\n        }\n\n        if(this.position.y > canvas.height + this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  -this.size);\n        }else if(this.position.y < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  canvas.height+this.size);\n        }\n    }\n}\n\nclass Ship{\n    constructor(size, position){\n        this.size = size;\n        this.position = position;\n        this.velocity = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(0, 0);\n        this.nodes = [\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x, this.position.y-this.size),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x+this.size/2, this.position.y),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x-this.size/2, this.position.y),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x, this.position.y-this.size) \n        ];\n\n        this.path = new paper__WEBPACK_IMPORTED_MODULE_0__.Path(this.nodes);\n        this.path.strokeColor = \"#ffffff\";\n        objects.push(this);\n    }\n\n    update(){\n        this.position = this.position.add(this.velocity);\n        this.path.position = this.position;\n\n        if(this.position.x > canvas.width + 30){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(-this.size,  this.position.y);\n        }else if(this.position.x < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width+this.size,  this.position.y);\n        }\n\n        if(this.position.y > canvas.height + 30){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  -this.size);\n        }else if(this.position.y < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  canvas.height+this.size);\n        }\n    }\n};\n\n//initialization\nconst canvas = document.getElementById(\"canvas\");\ncanvas.width = window.innerWidth;\ncanvas.height = window.innerHeight;\npaper__WEBPACK_IMPORTED_MODULE_0__.setup(canvas);\n\nconst ship = new Ship(30, new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width/2, canvas.height/2));\nfor(let i=0; i<30; i++){\n    new Asteroid(30, new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()* canvas.width, Math.random()*canvas.height), new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()*5, Math.random()*5));\n}\n\npaper__WEBPACK_IMPORTED_MODULE_0__.view.onFrame = (event) => {\n    objects.forEach(elem => {\n        elem.update();\n    });\n}\n\nconst tool = new paper__WEBPACK_IMPORTED_MODULE_0__.Tool();\n\ntool.on(\"keydown\", (event) => {\n    if(event.character == \"w\"){\n        ship.velocity = ship.velocity.add(ship.nodes[0].subtract(new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width/3, 0)).normalize());\n    }\n\n    if(event.key == \"right\"){\n        ship.path.rotate(10);\n    }else if(event.key == \"left\"){\n        ship.path.rotate(-10);\n    }\n});\n\n//# sourceURL=webpack:///./src/index.js?");
+eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var paper__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! paper */ \"./node_modules/paper/dist/paper-full.js\");\n/* harmony import */ var paper__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(paper__WEBPACK_IMPORTED_MODULE_0__);\n\n\nlet objects = [];\n\nclass Object{\n    constructor(size, position, velocity, path){\n        this.size = size;\n        this.position = position;\n        this.velocity = velocity;\n        this.path = path;\n        objects.push(this);\n    }\n\n    update(){\n        this.position = this.position.add(this.velocity);\n        this.path.position = this.position;\n\n        if(this.position.x > canvas.width + this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(-this.size,  this.position.y);\n        }else if(this.position.x < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width+this.size,  this.position.y);\n        }\n\n        if(this.position.y > canvas.height + this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  -this.size);\n        }else if(this.position.y < -this.size){\n            this.position = new paper__WEBPACK_IMPORTED_MODULE_0__.Point(this.position.x,  canvas.height+this.size);\n        }\n    }\n}\n\nclass Asteroid extends Object{\n    constructor(size, position, velocity=new paper__WEBPACK_IMPORTED_MODULE_0__.Point(0, 0)){\n        let path = new paper__WEBPACK_IMPORTED_MODULE_0__.Path.RegularPolygon(position, Math.max(5, Math.ceil(Math.random()*10)), size);\n        path.segments.forEach(elem => {\n            elem.point = elem.point.add(new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()*15, Math.random()*15));\n        });\n        path.strokeColor = \"#ffffff\";\n        super(size, position, velocity, path);\n    }  \n}\n\nclass Ship extends Object{\n    constructor(size, position){\n        let nodes = [\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(position.x, position.y-size),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(position.x+size/2, position.y),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(position.x-size/2, position.y),\n            new paper__WEBPACK_IMPORTED_MODULE_0__.Point(position.x, position.y-size) \n        ];\n\n        let path = new paper__WEBPACK_IMPORTED_MODULE_0__.Path(nodes);\n        path.strokeColor = \"#ffffff\";\n        path.fillColor = \"#ffffffee\";\n        \n        super(size, position, new paper__WEBPACK_IMPORTED_MODULE_0__.Point(0, 0), path);\n        this.forward = nodes[0].subtract(position);\n    }\n\n    rotate(angle){\n        this.forward.angle += angle;\n        this.path.rotate(angle)\n    }\n\n    fire(){\n        new Bullet(this.position, this.forward);\n    }\n};\n\nclass Bullet extends Object{\n    constructor(position, velocity){\n        let path = new paper__WEBPACK_IMPORTED_MODULE_0__.Path.Circle(position, 3);\n        path.fillColor = \"#ffffff\";\n        super(3, position, velocity, path);\n    }\n}\n\n//initialization\nconst canvas = document.getElementById(\"canvas\");\ncanvas.width = window.innerWidth;\ncanvas.height = window.innerHeight;\npaper__WEBPACK_IMPORTED_MODULE_0__.setup(canvas);\n\nconst ship = new Ship(30, new paper__WEBPACK_IMPORTED_MODULE_0__.Point(canvas.width/2, canvas.height/2));\nfor(let i=0; i<30; i++){\n    new Asteroid(30, new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()* canvas.width, Math.random()*canvas.height), new paper__WEBPACK_IMPORTED_MODULE_0__.Point(Math.random()*5, Math.random()*5));\n}\n\npaper__WEBPACK_IMPORTED_MODULE_0__.view.onFrame = (event) => {\n    objects.forEach(elem => {\n        elem.update();\n    });\n}\n\nconst tool = new paper__WEBPACK_IMPORTED_MODULE_0__.Tool();\n\ntool.on(\"keydown\", (event) => {\n    if(event.character == \"w\"){\n        ship.velocity = ship.velocity.add(ship.forward.normalize());\n    }\n\n    if(event.key == \"right\"){\n        ship.rotate(3);\n    }else if(event.key == \"left\"){\n        ship.rotate(-3);\n    }\n\n    if(event.key == \"space\"){\n        ship.fire();\n    }\n});\n\n//# sourceURL=webpack:///./src/index.js?");
 
 /***/ }),