[initial commit]

This was a project I made in 2014/2015 for an designer who had some
ideas about making decorative hanukka-related objects. Anyway, it
became its own freestanding tool and was used for a class at the
kansas city art instutite for a number of years, perhaps even still

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diff --git a/.gitignore b/.gitignore
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+*~
diff --git a/LICENSE b/LICENSE
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+
+Copyright (c) 2014, Colin O'Keefe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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diff --git a/README.md b/README.md
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+# ashlar
+
+![ashlar in action](ashlar.gif)
+
+A web-based tiling generator using paper.js
+
+Currently hosted at https://asciiascetic.github.io/projects/ashlar
+
+
+
+
diff --git a/ashlar.gif b/ashlar.gif
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diff --git a/www/css/bootstrap.min.css b/www/css/bootstrap.min.css
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+/*!
+ * Bootstrap v3.2.0 (http://getbootstrap.com)
+ * Copyright 2011-2014 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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diff --git a/www/css/main.css b/www/css/main.css
new file mode 100644
index 0000000..bf262dc
--- /dev/null
+++ b/www/css/main.css
@@ -0,0 +1,4 @@
+
+canvas {
+    border: 1px solid rgba(0,0,0,0.5);
+}
\ No newline at end of file
diff --git a/www/index.html b/www/index.html
new file mode 100644
index 0000000..e935adb
--- /dev/null
+++ b/www/index.html
@@ -0,0 +1,156 @@
+<!DOCTYPE html>
+<head>
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <title>Tileshop</title>
+  <meta charset="utf-8">
+  <meta name="description" content="">
+  <meta name="author" content="">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <!-- <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"> -->
+  <link rel="stylesheet" href="css/bootstrap.min.css">
+  <link rel="stylesheet" href="css/main.css">
+  <!--[if lt IE 9]>
+      <script src="//cdn.jsdelivr.net/html5shiv/3.7.2/html5shiv.min.js"></script>
+      <script src="//cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js"></script>
+      <![endif]-->
+  <link rel="shortcut icon" href="">
+</head>
+<body>
+  <div class="container-fluid">
+    <div class="row">
+      <div class="col-md-12">
+	<h1> isohedral tiling pattern generator </h1>
+      </div>
+    </div>
+    <div class="row">
+      <div class="col-md-7">
+	<h2>editor </h2>
+	<ul class="list-unstyled">
+	  <li>
+	    <ul class="list-inline">
+	      <li>
+		<canvas id="editor" width="180" height="180"></canvas>
+	      </li>
+
+	      <li class="bg-success">
+		<h4> tile preview </h4>
+		<canvas id="modeltile" width="180" height="180"></canvas>
+	      </li>
+	     
+	      <li>
+		<ul class="list-unstyled">
+		  <li>
+		    <label for="edge-selector">Active Edge</label>
+		    <select class="form-control" name="edge-selector" id="edge-selector">
+		      
+		    </select>
+		  </li>
+		  <li>
+		    <label for="stroke">Line Width </label>
+		    <input name="stroke" id="stroke" 
+			   type="range" min="1" max="20" value="1"/>
+		  </li>
+		  
+		  <li>
+		    <label for="scale">Scale </label>
+		    <input name="scale" id="scale"
+			   type="range" min="26" max="200" step="2" value="50"/>
+		  </li>
+		  
+		  <li>
+		    <label for="rotation"> Rotation </label>
+		    <input name="rotation" id="rotation"
+	 		   type="range" min="0" max="359" step="1" value="0"/>
+		  </li>
+		</ul>
+	      </li>
+	      <li>
+		<ul class="list-unstyled">
+		  <li>
+		    <ul class="list-unstyled" id="vertex-parameters">
+		      
+		    </ul>
+		  </li>
+		  <li>
+		    <label for="tiling-class">Tiling Type</label>
+		    <select class="form-control" id="tiling-class" name="tiling-class">
+		      
+		    </select>
+		  </li>
+		</ul>
+	      </li>
+	    </ul>
+	  </li>
+	  <li>
+	    <ul class="list-inline">
+	      <li>
+		<label for="freehand-toggle">Freehand: </label>
+		<input type="checkbox" name="freehand-toggle"
+		       id="freehand-toggle"/>
+	      </li>
+	      <li>
+		<label for="tile-filename">Name This Tile</label>
+		<input name="tile-filename" id="tile-filename"
+		       type="text" value="tile"/>
+		<a href="#"
+		   class="btn btn-default"
+		   id="download-tile-button">Export Tile as SVG</a>
+	      </li>
+	    </ul>
+	  </li>
+	  <li>
+	    <ul class="list-inline">
+	      <li>
+		<div class="btn btn-default" id="refresh-editor">Refresh</div> 
+	      </li>
+	      <li>
+		<div class="btn btn-default" id="undo-btn">↫</div>
+	      </li>
+	      <li>
+		<div class="btn btn-default" id="redo-btn">↬</div>
+	      </li>
+	      <li id="tiling-link">
+		
+	      </li>
+	    </ul>
+	  </li>
+  	</ul>
+      </div>
+      <div class="col-md-5">
+	<canvas id="tilecanvas" width="500" height="500"></canvas>
+	<ul class="list-inline">
+	  <li>
+	    <label for="filename">Name</label>
+	    <input name="filename" id="filename" type="text" value="tiling"/>
+	  </li>
+	  <li> <a href="#"
+		  class="btn btn-default" 
+		  id="download-button">Export As SVG</a>
+	  </li>
+	</ul>
+      </div>
+    </div>
+    <div class="row">
+      <div class="col-md-9">
+	<p> Enjoying the application? Do you have a particular use
+	  case in mind?  I'd be happy
+	  to <a href="mailto:colin@cicadas.surf"> hear about
+	    it </a>. 
+      </div>
+      <div class="col-md-3">
+	<p class="text-muted" id="timestamp">Last Updated Sun Jul 24 09:58:44 CDT 2016
+        </p>
+      </div>
+    </div>
+  </div>
+  <!-- SCRIPTS -->
+  <script src="js/jquery-3.6.1.min.js"></script>
+  <script src="js/lz-string.js"></script>
+  <script src="js/ashlar.js"></script>
+  <script src="js/paper.js"></script>
+  <script type="text/paperscript" src="js/tilecanvas.js" canvas="tilecanvas"></script>
+  <script src="js/main.js"></script>
+
+</body>
+</html>
+
diff --git a/www/js/ashlar.js b/www/js/ashlar.js
new file mode 100644
index 0000000..1530a39
--- /dev/null
+++ b/www/js/ashlar.js
@@ -0,0 +1,1385 @@
+/* 
+   ////   ashlar.js   ////
+   /                     /
+   / A tilings library   /
+   /                     /
+   ///////////////////////
+
+   author: asciiascetic@gmail.com
+   license: MIT
+
+   created: 7/8/2014   
+   modified: 7/26/2014
+   version: 0.0.10 (a.k.a. "Horrors Abound")
+
+*/
+
+var Ashlar;
+
+Ashlar = Ashlar || {};
+
+(function (Ashlar) {
+
+    /// UTILITY FUNCTIONS ///
+
+    // a cheap clone for small objects
+    var clone = function (o) {
+	if (typeof o === 'object') {
+	    return JSON.parse( JSON.stringify( o ));
+	} else {
+	    return o;
+	}
+    };
+
+    var inRanges = function (val, ranges) {
+	var low,high;
+	for (var i = 0; i < ranges.length; i += 2) {
+	    low = Math.min(ranges[i],ranges[i+1]);
+	    high = Math.max(ranges[i],ranges[i+1]);
+	    if (val < low || val > high) return false;
+	};
+	return true;
+    };
+
+    var sign = function (x) {
+	return ((x > 0) && 1) || ((x < 0) && -1) || 0;
+    };
+
+    var approx = function (a,b,e) {
+	return Math.abs(a - b) < .001;
+    };
+
+    // computes the dot product of two vectors
+    var dot = function (v1,v2) {
+	var p = 0, l = v1.length;
+	for (var i = 0; i < l; i += 1)
+	    p += (v1[i] * v2[i]);
+	return sane(p);
+    };
+    
+    var sane = function (n) {
+	return Math.round(n * 1000) / 1000;
+    }
+
+    // converts from degrees to radians
+    var radians = function (deg) {
+	return deg * Math.PI / 180;
+    };
+
+    // converts from radians to degrees
+    var degrees = function (rad) {
+	return rad * 180 / Math.PI;
+    };
+
+    /// Identity Function ///
+    var Identity = function (x) {return x;};
+        
+    /// Point Class ///
+    var Point = function (x, y) {
+
+	if (!(this instanceof Point)) {
+	    return new Point(x, y);
+	}
+
+	if ((typeof x.x === 'number') && (typeof x.y === 'number')) {
+	    this.x = x.x;
+	    this.y = x.y;
+	} else {
+	    this.x = x; 
+	    this.y = y;
+	}
+	return this;	
+    };
+
+    Point.prototype.clone = function () {return Point(this)};
+    Point.prototype.toString = function () {
+	return '{x = ' + this.x + ' ,y = ' + this.y + '}';
+    };
+    Point.prototype.approx = function (pt) {
+	return approx(pt.x, this.x) && approx(pt.y, this.y);
+    };
+
+    // computes the distance between two points
+    Point.distance = function (p1, p2) {
+	var dx = p2.x - p1.x, dy = p2.y - p1.y;
+	return Math.sqrt( dx*dx + dy*dy);
+    };
+
+    Point.midpoint = function (p1, p2) {
+	return Point( (p1.x + p2.x) / 2, (p1.y + p2.y) / 2);
+    };
+
+    Ashlar.Point = Point;
+    
+    /// Transform Matrix Class ///
+    var TransformMatrix = function () {
+	if (! (this instanceof TransformMatrix)) {
+	    return new TransformMatrix();
+	}
+	
+	this.matrix = [[1, 0, 0], [0, 1, 0], [0, 0, 1]];
+	return this;		       
+    };
+
+    TransformMatrix.prototype = {
+	__: function (row, col, val) {
+	    if ((typeof val) === 'number') {
+		this.matrix[row-1][col-1] = val;
+	    } else {
+		return this.matrix[row-1][col-1];
+	    }
+	},
+
+	row: function (i) {
+	    return this.matrix[i-1];
+	},
+
+	col: function (j) {
+	    return this.matrix.map(function (r) {
+		return r[j-1];
+	    });
+	},
+	
+	_X_: function (m) {
+	    var prod = TransformMatrix();
+	    
+	    for (var i = 1; i <= 3; i++) 
+		for (var j = 1; j <= 3; j++) 
+		    prod.__(i,j, dot(this.row(i), m.col(j)));
+
+	    return prod;
+	},
+
+	_: function (v, isDestructive) {
+	    var v0 = [v.x, v.y, 1],
+	    v1 = [dot(this.row(1), v0),
+		  dot(this.row(2), v0),
+		  dot(this.row(3), v0)];
+
+	    if (isDestructive) {
+		v.x = v1[0];
+		v.y = v1[1];
+		return v;
+	    } else {
+		return Point(v1[0], v1[1]);
+	    }
+	}
+	
+    };
+
+    /// Translation Transform Factory ///
+    var TranslationTransform = function (dx, dy, isDestructive) {
+	if ((dx instanceof Point) && (dy instanceof Point)) {
+	    return TranslationTransform(dy.x - dx.x, dy.y - dx.y, isDestructive);
+	}
+	var m = TransformMatrix();
+	m.__(1,3,dx);
+	m.__(2,3,dy);
+	var that = function (pt) {return m._(pt, isDestructive);};
+	that.isDestructive = isDestructive;
+	that.m = m;
+	return that;
+    };
+
+    Ashlar.TranslationTransform = TranslationTransform;
+
+    /// Rotation Transform Factory ///
+    var RotationTransform = function (center, angle, isDestructive) {
+	var angle = radians(angle);
+	var toOrigin = TranslationTransform( -1 * center.x, -1 * center.y ).m;
+	var toCenter = TranslationTransform( center.x, center.y ).m;
+	var rotation = TransformMatrix();
+
+	rotation.__( 1, 1, Math.cos( angle ));
+	rotation.__( 1, 2, -1 * Math.sin( angle ));
+	rotation.__( 2, 1, Math.sin( angle ));
+	rotation.__( 2, 2, Math.cos( angle ));
+
+	var m = toCenter._X_(rotation._X_(toOrigin));
+
+	var that = function (pt) {return m._(pt, isDestructive);};
+	that.isDestructive = isDestructive;
+	that.m = m;
+	return that;
+    };
+
+    Ashlar.RotationTransform = RotationTransform;
+
+    /// Reflection Transform Factory ///
+
+    var VERTICAL_REFLECT = (function () {
+	      var m = TransformMatrix();
+	      m.__(2,2,-1);
+	      return m;
+    })();
+
+    var ReflectionTransform = function (p1, p2, isDestructive) {
+	      var p1ToOrigin = TranslationTransform( -1 * p1.x, -1 * p1.y).m;
+	      var originToP1 = TranslationTransform( p1.x, p1.y).m;
+	      var angle = ((p2.x - p1.x) === 0 ? -90 : degrees(-1 * Math.atan((p2.y - p1.y) / (p2.x - p1.x))));
+
+	      var p2RotatedToHoriz = RotationTransform(Point(0,0), angle).m;
+	      var p2RotatedBack = RotationTransform(Point(0,0), -1 * angle).m;
+
+	      var m = originToP1._X_( p2RotatedBack._X_( VERTICAL_REFLECT._X_( p2RotatedToHoriz._X_( p1ToOrigin ) ) ) );
+	      var that = function (pt) {return m._(pt, isDestructive);};
+	      that.isDestructive = isDestructive;
+	      that.m = m;
+	      return that;
+    };
+
+    Ashlar.ReflectionTransform = ReflectionTransform;
+
+    /// Segments ///
+
+    // segments are directed lines between two points.
+
+    var Segment = function (pt1, pt2) {
+	if (!(this instanceof Segment)) return new Segment( pt1, pt2 );
+	this.tail = Point( pt1 );
+	this.head = Point( pt2 );
+	this.vector = Point( this.head.x - this.tail.x, this.head.y - this.tail.y);
+	return this;
+    };
+
+    Segment.prototype = {
+	
+	slope: function () {
+	    return sane((this.head.y - this.tail.y) / (this.head.x - this.tail.x));
+	},
+
+	intersectAt: function (other) {
+	    var s1 = this.slope(), s2 = other.slope();
+	    
+	    // same slope indicates either disjoint and parallel, or colinear
+	    if ( approx( s1, s2 )) return false;
+
+	    // check if any segment end points are coincident, and return if so.
+	    if ( this.head.approx( other.head ) || this.head.approx( other.tail ) ) 
+		return Point( this.head );
+	    if ( this.tail.approx( other.head ) || this.tail.approx( other.tail ) )
+		return Point( this.tail );
+
+	    // otherwise "solve" for intersection
+	    var i1 = this.head.y - s1 * this.head.x;
+	    var i2 = other.head.y - s2 * other.head.x;
+	    
+	    var xint = (i2 - i1) / (s1 - s2);
+	    
+	    // and check that the solution appears in both x-ranges
+	    if ( inRanges( xint, [this.head.x, this.tail.x,
+				  other.head.x, other.tail.x]) ) {
+		return Point(xint, s1 * xint + i1);
+	    } else {
+		return false;
+	    }	    
+	}
+    };
+
+    Ashlar.Segment = Segment;
+
+    /// Polygon Class ///
+    var Polygon = function (pts, path) {
+	if (!(this instanceof Polygon)) {
+	    return new Polygon( pts, path );
+	}
+	
+	// accepts arbitrarily many arguments, interepreted as points
+	// or as coordinates of points.
+
+	// WARNING! the constructor makes no attempt to determine the
+	// orientation of the points. For the purposes of this
+	// application, polygons should be built with a ccw listing of
+	// points.
+
+	var vertices = [];
+
+	for (var i = 0; i < pts.length; i += 1) {
+
+	    if (pts[i] instanceof Point) {
+
+		vertices.push(pts[i].clone());
+		
+	    } else if (typeof pts[i] === 'number') {
+
+		vertices.push( Point( pts[i], pts[i+1] ) );
+		i += 1;
+		
+	    } else if (typeof pts[i].x === 'number' && typeof pts[i].y === 'number') {
+		
+		vertices.push( Point(pts[i].x, pts[i].y) );
+
+	    } else {
+		
+		throw "Error: bad argument in Polygon constructor";
+	    }
+	}
+
+	this.vertices = vertices;
+	// the path can have more points than are in the vertex
+	// array. It is used for associating a mor einteresting shape
+	// with the basic underlying form.
+
+	if (path) {
+	    this.path = path.map(function (pt) {return Point(pt);});
+	} else {
+	    this.path = this.vertices.map(function (pt) {return pt.clone();});
+	    this.path.push(this.vertices[0].clone());
+	}
+
+
+	return this;
+    };
+
+    Polygon.prototype = {
+
+	__dropCaches: function () {
+	    this.__cachedSize = false;
+	    this.__cachedCentroid = false;
+	    this.__cachedArea = false;
+	},
+	
+	clone: function () {
+	    return Polygon(this.vertices, this.path);
+	},
+
+	size: function () {
+	    if (!this.__cachedSize) {
+		this.__cachedSize = this.vertices.length;
+	    }
+	    return this.__cachedSize;
+	},
+	
+	// gets the nth edge, indexed from 1
+	edge: function (n) {
+	    if (1 <= n && n <= this.size()) {
+		return [ this.vertex(n), this.vertex(n+1)];
+	    } else {
+		throw "Error: edge out of range."
+	    }
+	},
+
+	vertex: function (n) {
+	    return this.vertices[(n-1) % this.size()];
+	},
+
+	// preserves ordering of vertices and their mapped
+	// counterparts.
+	transform: function (t) {
+	    if (t.isDestructive) {
+		var s = this.size();
+		for (var i = 0; i < s; i += 1) t(this.vertices[i]);
+		this.__dropCaches();
+		return this;
+	    } else {
+		return Polygon(this.vertices.map(t));
+	    }
+	},
+
+	area: function () {
+	    if (! this.__cachedArea && this.__cachedArea !== 0) {
+		
+		var a = 0, s = this.size(), v0,v1;
+		for (var i = 0; i <= (s - 1); i += 1) {
+		    v0 = this.vertices[i];
+		    v1 = this.vertices[(i+1) % s];
+		    a += ((v0.x * v1.y) - (v1.x * v0.y));
+		}
+		this.__cachedArea = a * 0.5;
+	    }
+	    return this.__cachedArea;
+	},
+
+	centroid: function () {
+	    if (! this.__cachedCentroid) {
+		
+		var cx = 0, cy = 0, s = this.size(), a = this.area(), v0, v1;
+		for (var i = 0; i <= (s - 1); i += 1) {
+		    v0 = this.vertices[i];
+		    v1 = this.vertices[(i+1) % s];
+		    cx += ((v0.x + v1.x) * (v0.x * v1.y - v1.x * v0.y));
+		    cy += ((v0.y + v1.y) * (v0.x * v1.y - v1.x * v0.y));
+		}
+		this.__cachedCentroid = Point( cx / (6 * a), cy / (6 * a) );
+	    }
+	    return this.__cachedCentroid;
+	}
+    };
+
+    Ashlar.Polygon = Polygon;
+
+    /// Ashlar.Isohedral Submodule ///
+    var Isohedral = (function () {
+	var module = {};
+
+	// Vertex Parameterizations
+	var TV = {
+	    TV9 : [[0],[0],[1],[0],[1.5],[0.866],[1],[1.732],[0],[1.732],[-0.5],[0.866]],
+	    TV10: [[0,0,0], [0,0,0], [1,0,0], [0,0,0], [1,1,0],
+		   [0,0,0.5], [1,0,0], [0,0,1], [0,0,0], [0,0,1],
+		   [0,-1,0], [0,0,0.5]],
+	    TV24: [[0],[0],[-0.866],[-0.5], [0], [-1], [0.866],[-0.5]],
+	    TV25: [[0],[0],[1],[0],[-0.5],[0.866]],
+	    TV26: [[0,0,0], [0,0,0], [1,0,0], [0,1,0], [1,0,0], [0,1,1], [0,0,0], [0,0,1]],
+	    TV30: [[0,0], [0,0], [1,0],[0,0], [1,0],[0,1], [0,0], [0,1]],
+	    TV35: [[0],[0], [1],[0], [1],[1], [0],[1]],
+	    TV40: [[0,0,0], [0,0,0], [0,0,1],  [0,0,0], [1,0,0], [0,1,0]],
+	    TV41: [[0],[0], [1],[0], [0],[1]],
+	    TV43: [[0],[0], [1],[0], [0.5],[0.866]]
+	};
+
+	// Isohedral Tiling Templates
+
+	var IH = {
+
+	    IH10: {
+		topology: '3^6',
+		incidence: 'a+b+a+b+a+b+;b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV9',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['rf'], edge: 1}]},
+		    {start: 'A', steps: [{hop: ['rf'], edge: 6}]}
+		],
+		baseVertices: [0,0, 1,0, 1.5,0.866, 1,1.732, 0,1.732, -0.5,0.866]		
+	    },
+
+	    IH11: {
+		topology: '3^6',
+		incidence: 'a+a+a+a+a+a+;a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV9',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps:[{hop:['rm',180], edge: 1}]},
+		    {start: 'A', steps:[{hop:['rm',180], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 1.5,0.866, 1,1.732, 0,1.732, -0.5,0.866]		
+	    },
+
+	    IH12: {
+		topology: '3^6',
+		incidence: 'ab+c+dc-b-;dc-b-a',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 1, type: 'J'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'b', dir: -1}},
+		    {name: 'd', dir: 0, type: 'U', adj: {name: 'a', dir: 0}},
+		    {name: 'c', dir: -1, type: 'J', adj: {name: 'b', dir: -1}},
+		    {name: 'b', dir: -1, type: 'J'}
+		],
+		parameterization: 'TV10',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps:[{hop: ['tbv',4,2], edge: 1}]},
+		    {start: 'A', steps:[{hop: ['tbv',5,3], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 2,0.5, 1,1, 0,1, -1, 0.5]
+	    },
+
+	    IH17: {
+		topology: '3^6',
+		incidence: 'ab+b-ab+b-;ab+',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U', adj:{name: 'a', dir: 0}},
+		    {name: 'b', dir: 1, type: 'S',},
+		    {name: 'b', dir: -1, type: 'S'},
+		    {name: 'a', dir: 0, type: 'U', adj:{name: 'a', dir: 0}},
+		    {name: 'b', dir: 1, type: 'S',},
+		    {name: 'b', dir: -1, type: 'S'}
+		],
+		parameterization: 'TV10',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps:[{hop: ['tbv',2,4], edge:1}]},
+		    {start: 'A', steps:[{hop: ['rm',180],edge:2}]}
+		],
+		baseVertices: [0,0, 1,0, 2,0.5, 1,1, 0,1, -1, 0.5]		
+	    },
+
+	    IH18: {
+		topology: '3^6',
+		incidence: 'ababab;ba',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 0, type: 'U', adj: {name: 'a', dir: 0}},
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 0, type: 'U', adj: {name: 'a', dir: 0}},
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 0, type: 'U', adj: {name: 'a', dir: 0}}
+		],
+		parameterization: 'TV9',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 4,2], edge: 1}]},
+		    {start: 'A', steps: [{hop: ['tbv', 5,3], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 1.5,0.866, 1,1.732, 0,1.732, -0.5,0.866]
+	    },
+
+	    IH33: {
+		topology: '3.6.3.6',
+		incidence: 'a+b+c+d+;d+c+b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'b', dir: 1}},
+		    {name: 'd', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV24',
+		aspects: ['A', 'B', 'C'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rv',1, -120], edge: 1}]},
+		    'C': {start: 'B', steps: [{hop: ['rv',1, -120], edge: 1}]}   
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rf'], edge: 2}]},
+		    {start: 'C', steps: [{hop: ['rf'], edge: 3}]}
+		],
+		baseVertices: [0,0, -0.866, -0.5, 0, -1, 0.866, -0.5]		
+	    },
+
+	    IH34: {
+		topology: '3.6.3.6',
+		incidence: 'a+b+a+b+;b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV24',
+		aspects: ['A','B','C'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rv',1,-120], edge:1}]},
+		    'C': {start: 'B', steps: [{hop: ['rv',1,-120], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rv',2, -60], edge: 2}]}, //diverged from source
+		    {start: 'C', steps: [{hop: ['rv',4, 60], edge: 3}]}
+		],
+		baseVertices: [0,0, -0.866, -0.5, 0, -1, 0.866, -0.5]		
+	    },
+
+
+	    IH36: {
+		topology: '3.6.3.6',
+		incidence: 'a+a-b+b-;b-a-',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'a', dir: -1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: -1}},
+		    {name: 'b', dir: -1, type: 'J', adj: {name: 'a', dir: -1}}
+		],
+		parameterization: 'TV24',
+		aspects: ['A','B','C'],
+		rules: {
+		    'B': {start: 'A', steps:[{hop: ['rf'], edge:1}]},
+		    'C': {start: 'A', steps:[{hop: ['rf'], edge:4}]}
+		},
+		translationRules: [
+		    {start: 'B', steps:[{hop: ['rf'], edge: 3}]}, //Note, diverged from source material here
+		    {start: 'C', steps:[{hop: ['rf'], edge: 2}]}
+		],
+		baseVertices: [0,0, -0.866, -0.5, 0, -1, 0.866, -0.5]
+	    },
+
+	    IH38: {
+		topology: '3.12^2',
+		incidence: 'a+b+c+;c+b-a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'U', adj: {name: 'b', dir: -1}},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV25',
+		aspects: ['A','B','C','D','E','F'],
+		rules: {
+		    'B' : {start: 'A', steps: [{hop: ['rv', 1, -120], edge: 1}]},
+		    'C' : {start: 'B', steps: [{hop: ['rv', 1, -120], edge: 1}]},
+		    'D' : {start: 'B', steps: [{hop: ['rf'], edge: 2}]},
+		    'E' : {start: 'D', steps: [{hop: ['rv', 1, 120], edge: 1}]},
+		    'F' : {start: 'E', steps: [{hop: ['rv', 1, 120], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'E', steps: [{hop: ['rf'], edge: 2}]},
+		    {start: 'C', steps: [{hop: ['rf'], edge: 2},
+					 {hop: ['rv', 1, -120], edge: 3},
+					 {hop: ['rf'], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, -0.5,0.866]
+	    },
+
+	    IH39: {
+		topology: '3.12^2',
+		incidence: 'a+b+c+;c+b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV25',
+		aspects: ['A','B','C','D','E','F'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rv', 1, -120], edge: 1}]},
+		    'C': {start: 'B', steps: [{hop: ['rv', 1, -120], edge: 1}]},
+		    'D': {start: 'B', steps: [{hop: ['rm', 180], edge: 2}]},
+		    'E': {start: 'D', steps: [{hop: ['rv', 1, -120], edge: 1}]},
+		    'F': {start: 'E', steps: [{hop: ['rv', 1, -120], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'C', steps: [{hop:['rm',180], edge: 2},
+					 {hop:['rv',1,-120], edge: 1},
+					 {hop:['rm',180], edge:2}]},
+		    {start:'F', steps: [{hop: ['rm',180], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, -0.5,0.866]		
+	    },
+
+	    IH41: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c+d+a+b+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'd', dir: 1, type: 'J', adj: {name: 'b', dir: 1}}
+		],
+		parameterization: 'TV26',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps:[{hop: ['tbv',2,1], edge:2}]},
+		    {start: 'A', steps:[{hop: ['tbv',3,2], edge:1}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]		
+	    },
+
+	    IH42: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c+b-a+d-',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'U', adj: {name: 'b', dir: -1}},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'd', dir: 1, type: 'U', adj: {name: 'd', dir: -1}}
+		],
+		parameterization: 'TV26',
+		aspects: ['A', 'B'],
+		rules: {
+		    'B' : {start: 'A', steps: [{hop: ['rf'], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 4, 1], edge: 1}]},
+		    {start: 'B', steps: [{hop: ['rf'], edge: 4}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]				
+	    },
+
+	    IH43: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c-d+a-b+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: -1}},
+		    {name: 'd', dir: 1, type: 'J', adj: {name: 'b', dir: 1}}
+		],
+		parameterization: 'TV26',
+		aspects: ['A','B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rf'], edge: 1},
+					      {hop: ['rc', 180], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 2,1], edge: 2}]},
+		    {start: 'B', steps: [{hop: ['rf'], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]		
+	    },
+
+	    IH47: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c+b+a+d+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'd', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV26',
+		aspects: ['A','B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rm', 180], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 4, 1], edge: 1}]},
+		    {start: 'B', steps: [{hop: ['rm', 180], edge: 4}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]
+	    },
+
+	    IH50: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c+b-a+d+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'U', adj: {name: 'b', dir: -1}},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'd', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV26',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rm', 180], edge: 4}]},
+		    'C': {start: 'B', steps: [{hop: ['rm',180], edge: 2}]},
+		    'D': {start: 'A', steps: [{hop: ['rm',180], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'C', steps: [{hop: ['rm', 180], edge: 4},
+					 {hop: ['rm', 180], edge: 2}]},
+		    {start: 'A', steps: [{hop: ['tbv', 4, 1], edge: 1}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]
+	    },
+
+	    IH52: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;c-d-a-b-',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: -1}},
+		    {name: 'd', dir: 1, type: 'J', adj: {name: 'b', dir: -1}}
+		],
+		parameterization: 'TV30',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B' : {start: 'A', steps:[{hop: ['rf'], edge: 1}]},
+		    'C' : {start: 'B', steps:[{hop: ['rf'], edge: 4}]},
+		    'D' : {start: 'C', steps:[{hop: ['rf'], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps:[{hop: ['rf'], edge: 3}]},
+		    {start: 'D', steps:[{hop: ['rf'], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH55: {
+		topology: '4^4',
+		incidence: 'a+b+c+d+;b+a+d+c+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'c', dir: 1, type: 'J'},
+		    {name: 'd', dir: 1, type: 'J', adj: {name: 'c', dir: 1}}
+		],
+		parameterization: 'TV35',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B' : {start: 'A', steps: [{hop: ['rc-tv',-90, 2], edge: 2}]},
+		    'C' : {start: 'B', steps: [{hop: ['rc-tv',-90, 2], edge: 2}]},
+		    'D' : {start: 'C', steps: [{hop: ['rc-tv',-90, 2], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rc-tv',-90, 3], edge:3}]},
+		    {start: 'D', steps: [{hop: ['rc-tv', 90, 1], edge:4}]}
+		],
+		
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH57: {
+		topology: '4^4',
+		incidence: 'a+b+a+b+;a+b+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S', adj: {name: 'a', dir: 1}},
+		    {name: 'b', dir: 1, type: 'S', adj: {name: 'b', dir: 1}}
+		],
+		parameterization: 'TV26',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['rm', 180], edge: 1}]},
+		    {start: 'A', steps: [{hop: ['rm', 180], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]
+	    },
+
+	    IH58: {
+		topology: '4^4',
+		incidence: 'a+b+a+b+;a-b+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'U', adj: {name: 'a', dir: -1}},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'U', adj: {name: 'a', dir: -1}},
+		    {name: 'b', dir: 1, type: 'S', adj: {name: 'b', dir: 1}}
+		],
+		parameterization: 'TV26',
+		aspects: ['A', 'B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rf'], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['rm', 180], edge: 2}]},
+		    {start: 'B', steps: [{hop: ['rf'], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,1, 1,2, 0,1]
+	    },
+	    
+
+
+	    IH61: {
+		topology: '4^4',
+		incidence: 'a+b+a+b+;b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type:'J'},
+		    {name: 'b', dir: 1, type:'J', adj: {name: 'a', dir: 1}},
+		    {name: 'a', dir: 1, type:'J'},
+		    {name: 'b', dir: 1, type:'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV35',
+		aspects: ['A','B'],
+		rules: {
+		    'B' : {start: 'A', steps: [{hop: ['rc-tv', -90, 1], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rc-tv', -90, 1], edge: 1}]},
+		    {start: 'B', steps: [{hop: ['rc-tv', -90, 3], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH62: {
+		topology: '4^4',
+		incidence: 'a+a+a+a+;a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV35',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 2, 3], edge: 1}]},
+		    {start: 'A', steps: [{hop: ['tbv', 2, 1], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH64: {
+		topology: '4^4',
+		incidence: 'ab+cb-;cb-a',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 1, type: 'U', adj: {name: 'b'}},// not sure about this...
+		    {name: 'c', dir: 0, type: 'U', adj: {name: 'a'}},
+		    {name: 'b', dir: -1, type: 'U', adj: {name: 'b'}}
+		],
+		parameterization: 'TV30',
+		aspects: ['A'],
+		rules: {},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 2, 3], edge: 1}]},
+		    {start: 'A', steps: [{hop: ['tbv', 2, 1], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH66: {
+		topology: '4^4',
+		incidence: 'ab+cb-;cb+a',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 0, type: 'U', adj: {name: 'a', dir: 0}},
+		    {name: 'b', dir: -1, type: 'S'}//, adj: {name: 'b'}}
+		],
+		parameterization: 'TV30',
+		aspects: ['A', 'B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rm',180], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'A', steps: [{hop: ['tbv', 3, 2], edge: 1}]},
+		    {start: 'B', steps: [{hop: ['rm', 180], edge: 4}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]		
+	    },
+
+	    IH71: {
+		topology: '4^4',
+		incidence: 'a+b+b-a-;b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'b', dir: -1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'a', dir: -1, type: 'J'}
+		],
+		parameterization: 'TV35',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rc-tv', 90, 2], edge: 1}]},
+		    'C': {start: 'B', steps: [{hop: ['rc-tv', 90, 2], edge: 1}]},
+		    'D': {start: 'C', steps: [{hop: ['rc-tv', 90, 2], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rc-tv', -90, 4], edge: 4}]},
+		    {start: 'D', steps: [{hop: ['rc-tv', 90, 4], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH73: {
+		topology: '4^4',
+		incidence: 'abab;ba',
+		edges: [
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 0, type: 'U', adj: {name: 'a', dir: 0}},
+		    {name: 'a', dir: 0, type: 'U'},
+		    {name: 'b', dir: 0, type: 'U', adj: {name: 'a', dir: 0}}
+		],
+		parameterization: 'TV35',
+		aspects: ['A', 'B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rc-tv', 90, 2], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rc-tv', -90, 1], edge: 1}]},
+		    {start: 'B', steps: [{hop: ['rc-tv', 90, 1], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1, 0,1]
+	    },
+
+	    IH79: {
+		topology: '4.8^2',
+		incidence: 'a+b+c+;c+b+a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV41',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rv',1,-90], edge: 1}]},
+		    'C': {start: 'B', steps: [{hop: ['rv',1,-90], edge: 1}]},
+		    'D': {start: 'C', steps: [{hop: ['rv',1,-90], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'C', steps: [{hop: ['rm', 180], edge: 2}]},
+		    {start: 'B', steps: [{hop: ['rm', 180], edge: 2},
+					 {hop: ['rv', 1, -90], edge: 1}]}
+		],
+		baseVertices: [0,0, 1,0, 0,1]
+	    },
+
+	    IH81: {
+		topology: '4.8^2',
+		incidence: 'a+b+c+;c+b-a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'U', adj: {name: 'b', dir: -1}},
+		    {name: 'c', dir: 1, type: 'J', adj: {name: 'a', dir: 1}}
+		],
+		parameterization: 'TV41',
+		aspects: ['A','B','C','D','E','F','G','H'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rv',1,-90], edge: 1}]},
+		    'C': {start: 'B', steps: [{hop: ['rv',1,-90], edge: 1}]},
+		    'D': {start: 'C', steps: [{hop: ['rv',1,-90], edge: 1}]},
+		    'E': {start: 'B', steps: [{hop: ['rf'], edge: 2}]},
+		    'F': {start: 'E', steps: [{hop: ['rv',1, 90], edge: 1}]},
+		    'G': {start: 'F', steps: [{hop: ['rv',1, 90], edge: 1}]},
+		    'H': {start: 'G', steps: [{hop: ['rv',1, 90], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'F', steps: [{hop: ['rf'], edge: 2}]},
+		    {start: 'G', steps: [{hop: ['rf'], edge: 2},
+					 {hop: ['rv',1, -90], edge: 1}]}
+		],
+		baseVertices: [0,0, 1,0, 0,1]		
+	    },
+
+	    IH84: {
+		topology: '6^3',
+		incidence: 'a+b+c+;a+b+c+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV40',
+		aspects: ['A', 'B'],
+		rules: {
+		    'B':{start: 'A', steps: [{hop:['rm', 180], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop:['rm', 180], edge: 2}]},
+		    {start: 'B', steps: [{hop:['rm', 180], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1]
+	    },
+
+	    IH85: {
+		topology: '6^3',
+		incidence: 'a+b+c+;a-b+c+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'U', adj: {name: 'a', dir: -1}},
+		    {name: 'b', dir: 1, type: 'S'},
+		    {name: 'c', dir: 1, type: 'S'}		     
+		],
+		parameterization: 'TV40',
+		aspects: ['A','B','C','D'],
+		rules: {
+		    'B' : {start: 'A', steps: [{hop: ['rm',180], edge: 2}]},
+		    'C' : {start: 'B', steps: [{hop: ['rf'], edge: 1}]},
+		    'D' : {start: 'C', steps: [{hop: ['rm',180], edge: 2}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rm', 180], edge:3}]},
+		    {start: 'D', steps: [{hop: ['rf'], edge: 1}]}
+		],
+		baseVertices: [0,0, 1,0, 1,1]
+	    },
+
+	    IH88: {
+		topology: '6^3',
+		incidence: 'a+b+c+;b+a+c+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'J'},
+		    {name: 'b', dir: 1, type: 'J', adj: {name: 'a', dir: 1}},
+		    {name: 'c', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV43',
+		aspects:['A','B','C','D','E','F'],
+		rules: {
+		    'B' : {start: 'A', steps:[{hop: ['rv',2,60], edge: 1}]},
+		    'C' : {start: 'B', steps:[{hop: ['rv',2,60], edge: 1}]},
+		    'D' : {start: 'C', steps:[{hop: ['rv',2,60], edge: 1}]},
+		    'E' : {start: 'D', steps:[{hop: ['rv',2,60], edge: 1}]},
+		    'F' : {start: 'E', steps:[{hop: ['rv',2,60], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'D', steps:[{hop:['rm',180], edge: 3}]},
+		    {start: 'E', steps:[{hop:['rm',180], edge: 3},
+					{hop:['rv',2,-60], edge: 2}]}
+		],
+		baseVertices: [0,0, 1,0, 0.5,0.866]		
+	    },
+
+	    IH90: {
+		topology: '6^3',
+		incidence: 'a+a+a+;a+',
+		edges: [
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'},
+		    {name: 'a', dir: 1, type: 'S'}
+		],
+		parameterization: 'TV43',
+		aspects: ['A','B'],
+		rules: {
+		    'B': {start: 'A', steps: [{hop: ['rm',180], edge: 1}]}
+		},
+		translationRules: [
+		    {start: 'B', steps: [{hop: ['rm', 180], edge: 2}]},
+		    {start: 'B', steps: [{hop: ['rm', 180], edge: 3}]}
+		],
+		baseVertices: [0,0, 1,0, 0.5,0.866]
+	    }
+	
+	};
+
+	/// Ashlar.Isohedral.Prototile Class ///
+	var Prototile = function (template) {
+	    if (!(this instanceof Prototile)) return new Prototile(template);
+	    this.templateName = template;
+	    this.template = IH[template];
+	    this.parameterization = TV[ this.template.parameterization ];
+	    this.polygon = Polygon( this.template.baseVertices );
+	    this.scale = 1.0;
+	    this.parameterCount = this.parameterization[0].length - 1;
+	    this.parameters = [1.0];
+	    this.edgePaths = {};
+	    var tedges = this.template.edges;
+	    for (var i = 0; i < tedges.length; i += 1) {
+		this.edgePaths[tedges[i].name] = [Point(0,0), Point(1,0)]
+	    }
+	    for (var i = 0; i < this.parameterCount; i += 1) {
+		this.parameters.unshift(1.0);
+	    }
+	    return this;
+	};
+
+	Prototile.fromJSON = function (json) {
+	    var parsed = JSON.parse(json);
+	    return Prototile.fromSettings(parsed);
+	};
+
+	Prototile.fromSettings = function (parsed) {
+	    var prototile = Prototile( parsed.t);
+	    prototile.polygon = Polygon( parsed.p.v, parsed.p.p);
+	    
+	    prototile.scale = parsed.s;
+	    prototile.parameters = parsed.pa;
+	    prototile.edgePaths = parsed.ep;
+	    return prototile;
+	};
+
+	Prototile.prototype = {
+	    
+	    settings: function () {
+		return {
+		    t: this.templateName,
+		    p: {v: this.polygon.vertices, p: this.polygon.path},
+		    s: this.scale,
+		    pa: this.parameters,
+		    ep: this.edgePaths		    
+		};
+	    },
+
+	    toJSON: function () {
+		return JSON.stringify(this.settings());
+	    },
+
+	    // form a translational unit, as an array of polygons plus
+	    // the translation transforms necessary to tile them
+	    // across a plane.
+	    translationalUnit: function () {
+		var aspects = {}, shapes = [], name;
+		aspects['A'] = this.applyVertexParameterization();
+		shapes.push( aspects['A'] );
+		for (var i = 1; i < this.template.aspects.length; i += 1) {
+		    name = this.template.aspects[i];
+		    aspects[name] = applyHops(aspects, this.template.rules[name]); 
+		    shapes.push( aspects[name] );
+		}
+		
+		var t1 = centroidTranslation(aspects['A'], applyHops(aspects, this.template.translationRules[0]));
+		var t2 = centroidTranslation(aspects['A'], applyHops(aspects, this.template.translationRules[1]));
+		var that = this;
+
+		shapes = shapes.map(function (shape) {return shapeTile(shape,that);});
+
+		return {
+		    shapes: shapes,
+		    t1: t1,
+		    t2: t2
+		};
+	    },
+
+	    getEdgePath: function (edgeNumber) {
+		var e = this.template.edges[edgeNumber - 1];
+		if (e.adj) {
+		    var path = this.edgePaths[e.adj.name];
+		    if (e.dir === -1 && e.adj.dir === -1) {
+			return path.map(function (p) {
+			    var pp = Point(p);//p.clone();
+			    pp.y *= -1;
+			    pp.x = 1 - p.x;
+			    return pp;
+			}).reverse();
+		    }
+
+		    if (e.dir === -1) {
+			return path.map(function (p) {
+			    var pp = Point(p);//p.clone();
+			    pp.y *= -1;
+			    return pp;
+			});
+		    } else {
+			
+			if (e.adj.dir === -1) {
+			    return this.edgePaths[e.adj.name].map(function (p) {
+				var pp = Point(p);//p.clone();
+				pp.y *= -1;
+				return pp;
+			    });
+			}
+
+			return this.edgePaths[e.adj.name].map(function (p) {
+			    var pp = Point(p);//p.clone();
+			    pp.y *= -1;
+			    pp.x = 1 - p.x;
+			    return pp;
+			}).reverse();
+		    }
+		}
+		if (e.dir === -1) {
+		    return this.edgePaths[e.name].map(function (p) {
+			var pp = Point(p);//p.clone();
+			pp.x = 1 - p.x;
+			return pp;
+		    }).reverse();
+		}
+		return this.edgePaths[e.name].map(function (p) {return Point(p);});//p.clone();});
+	    },
+
+	    getEdgePathLength: function (edgeNumber) {
+		var e = this.template.edges[edgeNumber - 1];
+		if (e.adj) return this.edgePaths[e.adj.name].length;
+		return this.edgePaths[e.name].length;
+	    },
+
+	    // return an array of edges uncontrained by other edges
+	    getFreeEdges: function () {
+		var labels = [];
+		return clone(this.template.edges.filter(function (e) {
+		    if ((labels.indexOf(e.name) === -1) && !e.adj) {
+			labels.push(e.name);
+			return true;
+		    } else {
+			return false;
+		    }
+		}));
+	    },
+	    
+	    getEdgeType: function (label) {
+		for (var i = 0; i < this.template.edges.length; i += 1) {
+		    if (this.template.edges[i].name === label) return this.template.edges[i].type;
+		}
+	    },
+	    
+	    getEdgeDescription: function (edgeNumber) {
+		return clone(this.template.edges[edgeNumber - 1]);
+	    },
+
+	    applyVertexParameterization: function () {
+		var l = this.polygon.vertices.length;
+		var verts = [];
+		for (var j = 0; j < l; j += 1 ) {
+		    var rx = this.parameterization[2 * j];
+		    var ry = this.parameterization[(2 * j) + 1];
+		    verts.push( Point( dot(rx, this.parameters) * this.scale,  
+				       dot(ry, this.parameters) * this.scale )); //here
+		    
+		}
+		return Polygon(verts);
+	    },
+
+	    getPathLimitsForEdge: function (label) {
+		var start = 0;
+		var i = 1;
+		while (i <= this.template.edges.length) {
+		    var ed = this.getEdgeDescription(i);
+		    if (ed.name === label) 
+			return {start: start, stop: start + this.getEdgePathLength(i)};
+		    start += this.getEdgePathLength(i) - 1;
+		    i += 1;
+		}
+	    }
+	};
+
+	module.Prototile = Prototile;
+	module.available = function () {
+	    var a = [];
+	    for (var c in IH) 
+		if (IH.hasOwnProperty(c)) a.push(c);
+	    return a;
+	};
+	/// Prototile Utilities ///
+
+	var shapeTile =  function (tile, prototile) {
+	    var points = [], edge, edgePath;
+	    for (var i = 1; i <= tile.size(); i += 1) {
+		edge = tile.edge(i);
+		edgePath = adjustEdgePath(edge, prototile.getEdgePath(i));
+		points = points.concat(edgePath);
+		points.pop();
+	    }
+	    
+//	    points.push(points[0].clone());
+	    points.push(Point(points[0]));
+	    tile.path = points;
+	    return tile;
+	};
+
+	// takes a parameter adjusted edge and maps a primitive
+	// edgePath to match the edge's proportions.
+	var adjustEdgePath = function (edge, path) {
+
+	    var head = edge[0], tail = edge[1],
+	    hyp = Point.distance( head, tail );
+	    var angle = sane(degrees(Math.acos((tail.x - head.x) / hyp)));
+	    if (tail.y < head.y) angle = 360 - angle;
+
+	    var rotation = RotationTransform(head, angle);
+
+	    return path.map(function (pt) {
+		// scale then translate (can simply mult b/c path is unit x)
+		return rotation( Point( pt.x * hyp + head.x, pt.y * hyp + head.y));
+	    });
+	};
+
+	var applyHops = function (aspects, rule) {
+	    var poly = aspects[rule.start].clone();
+	    for (var i = 0; i < rule.steps.length; i += 1) {
+		poly = applyStep( poly, rule.steps[i] );
+	    }
+	    return poly;
+	};
+
+	var applyStep = function (orig, step) {
+	    var poly = orig.clone();
+	    if (step.hop[0] === 'rc-tv') {
+		// rotate about the centroid of poly, then translate
+		// by the difference in vertex positions indicated
+		poly.transform( RotationTransform( poly.centroid(), step.hop[1], true ));
+		poly.transform( TranslationTransform( poly.vertex( step.hop[2] ),
+						      orig.vertex( step.hop[2] ), true ));
+	    } else if (step.hop[0] === 'tbv') {
+		//translate between vertices
+		poly.transform( TranslationTransform( poly.vertex( step.hop[1] ),
+						      poly.vertex( step.hop[2] ), true));
+	    } else if (step.hop[0] === 'rm') {
+		// rotate about the midpoint
+		var edge = poly.edge( step.edge );
+		poly.transform( RotationTransform( Point.midpoint(edge[0], edge[1]), step.hop[1], true));
+	    } else if (step.hop[0] === 'rf') {
+		var edge = poly.edge( step.edge );
+		poly.transform( ReflectionTransform( edge[0], edge[1], true));
+ 	    } else if (step.hop[0] === 'rv') {
+		poly.transform( RotationTransform( poly.vertex( step.hop[1] ), step.hop[2], true));
+	    }
+	    return poly;
+	};
+
+	// given two polygons, returns a Point representing a "vector"
+	// from the centroid of the first to that of the second.
+	var centroidTranslation = function (p1, p2) {
+	    //	    return TranslationTransform(p1.centroid(), p2.centroid(), false);
+	    return Point(p2.centroid().x - p1.centroid().x, p2.centroid().y - p1.centroid().y);
+	};
+
+
+	return module;
+    })();
+    
+    Ashlar.Isohedral = Isohedral;    
+
+})(Ashlar);
diff --git a/www/js/jquery-3.6.1.min.js b/www/js/jquery-3.6.1.min.js
new file mode 100644
index 0000000..2c69bc9
--- /dev/null
+++ b/www/js/jquery-3.6.1.min.js
@@ -0,0 +1,2 @@
+/*! jQuery v3.6.1 | (c) OpenJS Foundation and other contributors | jquery.org/license */
+!function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("jQuery requires a window with a document");return t(e)}:t(e)}("undefined"!=typeof window?window:this,function(C,e){"use strict";var t=[],r=Object.getPrototypeOf,s=t.slice,g=t.flat?function(e){return t.flat.call(e)}:function(e){return t.concat.apply([],e)},u=t.push,i=t.indexOf,n={},o=n.toString,y=n.hasOwnProperty,a=y.toString,l=a.call(Object),v={},m=function(e){return"function"==typeof e&&"number"!=typeof e.nodeType&&"function"!=typeof e.item},x=function(e){return null!=e&&e===e.window},E=C.document,c={type:!0,src:!0,nonce:!0,noModule:!0};function b(e,t,n){var r,i,o=(n=n||E).createElement("script");if(o.text=e,t)for(r in c)(i=t[r]||t.getAttribute&&t.getAttribute(r))&&o.setAttribute(r,i);n.head.appendChild(o).parentNode.removeChild(o)}function w(e){return null==e?e+"":"object"==typeof e||"function"==typeof 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diff --git a/www/js/lz-string.js b/www/js/lz-string.js
new file mode 100644
index 0000000..c0a993e
--- /dev/null
+++ b/www/js/lz-string.js
@@ -0,0 +1,665 @@
+// Copyright (c) 2013 Pieroxy <pieroxy@pieroxy.net>
+// This work is free. You can redistribute it and/or modify it
+// under the terms of the WTFPL, Version 2
+// For more information see LICENSE.txt or http://www.wtfpl.net/
+//
+// For more information, the home page:
+// http://pieroxy.net/blog/pages/lz-string/testing.html
+//
+// LZ-based compression algorithm, version 1.3.3
+var LZString = {
+  
+  
+  // private property
+  _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
+  _f : String.fromCharCode,
+  
+  compressToBase64 : function (input) {
+    if (input == null) return "";
+    var output = "";
+    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
+    var i = 0;
+    
+    input = LZString.compress(input);
+    
+    while (i < input.length*2) {
+      
+      if (i%2==0) {
+        chr1 = input.charCodeAt(i/2) >> 8;
+        chr2 = input.charCodeAt(i/2) & 255;
+        if (i/2+1 < input.length) 
+          chr3 = input.charCodeAt(i/2+1) >> 8;
+        else 
+          chr3 = NaN;
+      } else {
+        chr1 = input.charCodeAt((i-1)/2) & 255;
+        if ((i+1)/2 < input.length) {
+          chr2 = input.charCodeAt((i+1)/2) >> 8;
+          chr3 = input.charCodeAt((i+1)/2) & 255;
+        } else 
+          chr2=chr3=NaN;
+      }
+      i+=3;
+      
+      enc1 = chr1 >> 2;
+      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+      enc4 = chr3 & 63;
+      
+      if (isNaN(chr2)) {
+        enc3 = enc4 = 64;
+      } else if (isNaN(chr3)) {
+        enc4 = 64;
+      }
+      
+      output = output +
+        LZString._keyStr.charAt(enc1) + LZString._keyStr.charAt(enc2) +
+          LZString._keyStr.charAt(enc3) + LZString._keyStr.charAt(enc4);
+      
+    }
+    
+    return output;
+  },
+  
+  decompressFromBase64 : function (input) {
+    if (input == null) return "";
+    var output = "",
+        ol = 0, 
+        output_,
+        chr1, chr2, chr3,
+        enc1, enc2, enc3, enc4,
+        i = 0, f=LZString._f;
+    
+    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+    
+    while (i < input.length) {
+      
+      enc1 = LZString._keyStr.indexOf(input.charAt(i++));
+      enc2 = LZString._keyStr.indexOf(input.charAt(i++));
+      enc3 = LZString._keyStr.indexOf(input.charAt(i++));
+      enc4 = LZString._keyStr.indexOf(input.charAt(i++));
+      
+      chr1 = (enc1 << 2) | (enc2 >> 4);
+      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+      chr3 = ((enc3 & 3) << 6) | enc4;
+      
+      if (ol%2==0) {
+        output_ = chr1 << 8;
+        
+        if (enc3 != 64) {
+          output += f(output_ | chr2);
+        }
+        if (enc4 != 64) {
+          output_ = chr3 << 8;
+        }
+      } else {
+        output = output + f(output_ | chr1);
+        
+        if (enc3 != 64) {
+          output_ = chr2 << 8;
+        }
+        if (enc4 != 64) {
+          output += f(output_ | chr3);
+        }
+      }
+      ol+=3;
+    }
+    
+    return LZString.decompress(output);
+    
+  },
+
+  compressToUTF16 : function (input) {
+    if (input == null) return "";
+    var output = "",
+        i,c,
+        current,
+        status = 0,
+        f = LZString._f;
+    
+    input = LZString.compress(input);
+    
+    for (i=0 ; i<input.length ; i++) {
+      c = input.charCodeAt(i);
+      switch (status++) {
+        case 0:
+          output += f((c >> 1)+32);
+          current = (c & 1) << 14;
+          break;
+        case 1:
+          output += f((current + (c >> 2))+32);
+          current = (c & 3) << 13;
+          break;
+        case 2:
+          output += f((current + (c >> 3))+32);
+          current = (c & 7) << 12;
+          break;
+        case 3:
+          output += f((current + (c >> 4))+32);
+          current = (c & 15) << 11;
+          break;
+        case 4:
+          output += f((current + (c >> 5))+32);
+          current = (c & 31) << 10;
+          break;
+        case 5:
+          output += f((current + (c >> 6))+32);
+          current = (c & 63) << 9;
+          break;
+        case 6:
+          output += f((current + (c >> 7))+32);
+          current = (c & 127) << 8;
+          break;
+        case 7:
+          output += f((current + (c >> 8))+32);
+          current = (c & 255) << 7;
+          break;
+        case 8:
+          output += f((current + (c >> 9))+32);
+          current = (c & 511) << 6;
+          break;
+        case 9:
+          output += f((current + (c >> 10))+32);
+          current = (c & 1023) << 5;
+          break;
+        case 10:
+          output += f((current + (c >> 11))+32);
+          current = (c & 2047) << 4;
+          break;
+        case 11:
+          output += f((current + (c >> 12))+32);
+          current = (c & 4095) << 3;
+          break;
+        case 12:
+          output += f((current + (c >> 13))+32);
+          current = (c & 8191) << 2;
+          break;
+        case 13:
+          output += f((current + (c >> 14))+32);
+          current = (c & 16383) << 1;
+          break;
+        case 14:
+          output += f((current + (c >> 15))+32, (c & 32767)+32);
+          status = 0;
+          break;
+      }
+    }
+    
+    return output + f(current + 32);
+  },
+  
+
+  decompressFromUTF16 : function (input) {
+    if (input == null) return "";
+    var output = "",
+        current,c,
+        status=0,
+        i = 0,
+        f = LZString._f;
+    
+    while (i < input.length) {
+      c = input.charCodeAt(i) - 32;
+      
+      switch (status++) {
+        case 0:
+          current = c << 1;
+          break;
+        case 1:
+          output += f(current | (c >> 14));
+          current = (c&16383) << 2;
+          break;
+        case 2:
+          output += f(current | (c >> 13));
+          current = (c&8191) << 3;
+          break;
+        case 3:
+          output += f(current | (c >> 12));
+          current = (c&4095) << 4;
+          break;
+        case 4:
+          output += f(current | (c >> 11));
+          current = (c&2047) << 5;
+          break;
+        case 5:
+          output += f(current | (c >> 10));
+          current = (c&1023) << 6;
+          break;
+        case 6:
+          output += f(current | (c >> 9));
+          current = (c&511) << 7;
+          break;
+        case 7:
+          output += f(current | (c >> 8));
+          current = (c&255) << 8;
+          break;
+        case 8:
+          output += f(current | (c >> 7));
+          current = (c&127) << 9;
+          break;
+        case 9:
+          output += f(current | (c >> 6));
+          current = (c&63) << 10;
+          break;
+        case 10:
+          output += f(current | (c >> 5));
+          current = (c&31) << 11;
+          break;
+        case 11:
+          output += f(current | (c >> 4));
+          current = (c&15) << 12;
+          break;
+        case 12:
+          output += f(current | (c >> 3));
+          current = (c&7) << 13;
+          break;
+        case 13:
+          output += f(current | (c >> 2));
+          current = (c&3) << 14;
+          break;
+        case 14:
+          output += f(current | (c >> 1));
+          current = (c&1) << 15;
+          break;
+        case 15:
+          output += f(current | c);
+          status=0;
+          break;
+      }
+      
+      
+      i++;
+    }
+    
+    return LZString.decompress(output);
+    //return output;
+    
+  },
+
+
+  
+  compress: function (uncompressed) {
+    if (uncompressed == null) return "";
+    var i, value,
+        context_dictionary= {},
+        context_dictionaryToCreate= {},
+        context_c="",
+        context_wc="",
+        context_w="",
+        context_enlargeIn= 2, // Compensate for the first entry which should not count
+        context_dictSize= 3,
+        context_numBits= 2,
+        context_data_string="", 
+        context_data_val=0, 
+        context_data_position=0,
+        ii,
+        f=LZString._f;
+    
+    for (ii = 0; ii < uncompressed.length; ii += 1) {
+      context_c = uncompressed.charAt(ii);
+      if (!Object.prototype.hasOwnProperty.call(context_dictionary,context_c)) {
+        context_dictionary[context_c] = context_dictSize++;
+        context_dictionaryToCreate[context_c] = true;
+      }
+      
+      context_wc = context_w + context_c;
+      if (Object.prototype.hasOwnProperty.call(context_dictionary,context_wc)) {
+        context_w = context_wc;
+      } else {
+        if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+          if (context_w.charCodeAt(0)<256) {
+            for (i=0 ; i<context_numBits ; i++) {
+              context_data_val = (context_data_val << 1);
+              if (context_data_position == 15) {
+                context_data_position = 0;
+                context_data_string += f(context_data_val);
+                context_data_val = 0;
+              } else {
+                context_data_position++;
+              }
+            }
+            value = context_w.charCodeAt(0);
+            for (i=0 ; i<8 ; i++) {
+              context_data_val = (context_data_val << 1) | (value&1);
+              if (context_data_position == 15) {
+                context_data_position = 0;
+                context_data_string += f(context_data_val);
+                context_data_val = 0;
+              } else {
+                context_data_position++;
+              }
+              value = value >> 1;
+            }
+          } else {
+            value = 1;
+            for (i=0 ; i<context_numBits ; i++) {
+              context_data_val = (context_data_val << 1) | value;
+              if (context_data_position == 15) {
+                context_data_position = 0;
+                context_data_string += f(context_data_val);
+                context_data_val = 0;
+              } else {
+                context_data_position++;
+              }
+              value = 0;
+            }
+            value = context_w.charCodeAt(0);
+            for (i=0 ; i<16 ; i++) {
+              context_data_val = (context_data_val << 1) | (value&1);
+              if (context_data_position == 15) {
+                context_data_position = 0;
+                context_data_string += f(context_data_val);
+                context_data_val = 0;
+              } else {
+                context_data_position++;
+              }
+              value = value >> 1;
+            }
+          }
+          context_enlargeIn--;
+          if (context_enlargeIn == 0) {
+            context_enlargeIn = Math.pow(2, context_numBits);
+            context_numBits++;
+          }
+          delete context_dictionaryToCreate[context_w];
+        } else {
+          value = context_dictionary[context_w];
+          for (i=0 ; i<context_numBits ; i++) {
+            context_data_val = (context_data_val << 1) | (value&1);
+            if (context_data_position == 15) {
+              context_data_position = 0;
+              context_data_string += f(context_data_val);
+              context_data_val = 0;
+            } else {
+              context_data_position++;
+            }
+            value = value >> 1;
+          }
+          
+          
+        }
+        context_enlargeIn--;
+        if (context_enlargeIn == 0) {
+          context_enlargeIn = Math.pow(2, context_numBits);
+          context_numBits++;
+        }
+        // Add wc to the dictionary.
+        context_dictionary[context_wc] = context_dictSize++;
+        context_w = String(context_c);
+      }
+    }
+    
+    // Output the code for w.
+    if (context_w !== "") {
+      if (Object.prototype.hasOwnProperty.call(context_dictionaryToCreate,context_w)) {
+        if (context_w.charCodeAt(0)<256) {
+          for (i=0 ; i<context_numBits ; i++) {
+            context_data_val = (context_data_val << 1);
+            if (context_data_position == 15) {
+              context_data_position = 0;
+              context_data_string += f(context_data_val);
+              context_data_val = 0;
+            } else {
+              context_data_position++;
+            }
+          }
+          value = context_w.charCodeAt(0);
+          for (i=0 ; i<8 ; i++) {
+            context_data_val = (context_data_val << 1) | (value&1);
+            if (context_data_position == 15) {
+              context_data_position = 0;
+              context_data_string += f(context_data_val);
+              context_data_val = 0;
+            } else {
+              context_data_position++;
+            }
+            value = value >> 1;
+          }
+        } else {
+          value = 1;
+          for (i=0 ; i<context_numBits ; i++) {
+            context_data_val = (context_data_val << 1) | value;
+            if (context_data_position == 15) {
+              context_data_position = 0;
+              context_data_string += f(context_data_val);
+              context_data_val = 0;
+            } else {
+              context_data_position++;
+            }
+            value = 0;
+          }
+          value = context_w.charCodeAt(0);
+          for (i=0 ; i<16 ; i++) {
+            context_data_val = (context_data_val << 1) | (value&1);
+            if (context_data_position == 15) {
+              context_data_position = 0;
+              context_data_string += f(context_data_val);
+              context_data_val = 0;
+            } else {
+              context_data_position++;
+            }
+            value = value >> 1;
+          }
+        }
+        context_enlargeIn--;
+        if (context_enlargeIn == 0) {
+          context_enlargeIn = Math.pow(2, context_numBits);
+          context_numBits++;
+        }
+        delete context_dictionaryToCreate[context_w];
+      } else {
+        value = context_dictionary[context_w];
+        for (i=0 ; i<context_numBits ; i++) {
+          context_data_val = (context_data_val << 1) | (value&1);
+          if (context_data_position == 15) {
+            context_data_position = 0;
+            context_data_string += f(context_data_val);
+            context_data_val = 0;
+          } else {
+            context_data_position++;
+          }
+          value = value >> 1;
+        }
+        
+        
+      }
+      context_enlargeIn--;
+      if (context_enlargeIn == 0) {
+        context_enlargeIn = Math.pow(2, context_numBits);
+        context_numBits++;
+      }
+    }
+    
+    // Mark the end of the stream
+    value = 2;
+    for (i=0 ; i<context_numBits ; i++) {
+      context_data_val = (context_data_val << 1) | (value&1);
+      if (context_data_position == 15) {
+        context_data_position = 0;
+        context_data_string += f(context_data_val);
+        context_data_val = 0;
+      } else {
+        context_data_position++;
+      }
+      value = value >> 1;
+    }
+    
+    // Flush the last char
+    while (true) {
+      context_data_val = (context_data_val << 1);
+      if (context_data_position == 15) {
+        context_data_string += f(context_data_val);
+        break;
+      }
+      else context_data_position++;
+    }
+    return context_data_string;
+  },
+  
+  decompress: function (compressed) {
+    if (compressed == null) return "";
+    if (compressed == "") return null;
+    var dictionary = [],
+        next,
+        enlargeIn = 4,
+        dictSize = 4,
+        numBits = 3,
+        entry = "",
+        result = "",
+        i,
+        w,
+        bits, resb, maxpower, power,
+        c,
+        f = LZString._f,
+        data = {string:compressed, val:compressed.charCodeAt(0), position:32768, index:1};
+    
+    for (i = 0; i < 3; i += 1) {
+      dictionary[i] = i;
+    }
+    
+    bits = 0;
+    maxpower = Math.pow(2,2);
+    power=1;
+    while (power!=maxpower) {
+      resb = data.val & data.position;
+      data.position >>= 1;
+      if (data.position == 0) {
+        data.position = 32768;
+        data.val = data.string.charCodeAt(data.index++);
+      }
+      bits |= (resb>0 ? 1 : 0) * power;
+      power <<= 1;
+    }
+    
+    switch (next = bits) {
+      case 0: 
+          bits = 0;
+          maxpower = Math.pow(2,8);
+          power=1;
+          while (power!=maxpower) {
+            resb = data.val & data.position;
+            data.position >>= 1;
+            if (data.position == 0) {
+              data.position = 32768;
+              data.val = data.string.charCodeAt(data.index++);
+            }
+            bits |= (resb>0 ? 1 : 0) * power;
+            power <<= 1;
+          }
+        c = f(bits);
+        break;
+      case 1: 
+          bits = 0;
+          maxpower = Math.pow(2,16);
+          power=1;
+          while (power!=maxpower) {
+            resb = data.val & data.position;
+            data.position >>= 1;
+            if (data.position == 0) {
+              data.position = 32768;
+              data.val = data.string.charCodeAt(data.index++);
+            }
+            bits |= (resb>0 ? 1 : 0) * power;
+            power <<= 1;
+          }
+        c = f(bits);
+        break;
+      case 2: 
+        return "";
+    }
+    dictionary[3] = c;
+    w = result = c;
+    while (true) {
+      if (data.index > data.string.length) {
+        return "";
+      }
+      
+      bits = 0;
+      maxpower = Math.pow(2,numBits);
+      power=1;
+      while (power!=maxpower) {
+        resb = data.val & data.position;
+        data.position >>= 1;
+        if (data.position == 0) {
+          data.position = 32768;
+          data.val = data.string.charCodeAt(data.index++);
+        }
+        bits |= (resb>0 ? 1 : 0) * power;
+        power <<= 1;
+      }
+
+      switch (c = bits) {
+        case 0: 
+          bits = 0;
+          maxpower = Math.pow(2,8);
+          power=1;
+          while (power!=maxpower) {
+            resb = data.val & data.position;
+            data.position >>= 1;
+            if (data.position == 0) {
+              data.position = 32768;
+              data.val = data.string.charCodeAt(data.index++);
+            }
+            bits |= (resb>0 ? 1 : 0) * power;
+            power <<= 1;
+          }
+
+          dictionary[dictSize++] = f(bits);
+          c = dictSize-1;
+          enlargeIn--;
+          break;
+        case 1: 
+          bits = 0;
+          maxpower = Math.pow(2,16);
+          power=1;
+          while (power!=maxpower) {
+            resb = data.val & data.position;
+            data.position >>= 1;
+            if (data.position == 0) {
+              data.position = 32768;
+              data.val = data.string.charCodeAt(data.index++);
+            }
+            bits |= (resb>0 ? 1 : 0) * power;
+            power <<= 1;
+          }
+          dictionary[dictSize++] = f(bits);
+          c = dictSize-1;
+          enlargeIn--;
+          break;
+        case 2: 
+          return result;
+      }
+      
+      if (enlargeIn == 0) {
+        enlargeIn = Math.pow(2, numBits);
+        numBits++;
+      }
+      
+      if (dictionary[c]) {
+        entry = dictionary[c];
+      } else {
+        if (c === dictSize) {
+          entry = w + w.charAt(0);
+        } else {
+          return null;
+        }
+      }
+      result += entry;
+      
+      // Add w+entry[0] to the dictionary.
+      dictionary[dictSize++] = w + entry.charAt(0);
+      enlargeIn--;
+      
+      w = entry;
+      
+      if (enlargeIn == 0) {
+        enlargeIn = Math.pow(2, numBits);
+        numBits++;
+      }
+      
+    }
+  }
+};
+
+if( typeof module !== 'undefined' && module != null ) {
+  module.exports = LZString
+}
diff --git a/www/js/main.js b/www/js/main.js
new file mode 100644
index 0000000..c89d8bf
--- /dev/null
+++ b/www/js/main.js
@@ -0,0 +1,240 @@
+
+$(document).ready(function () {
+
+    $('#stroke').on('input', function () {
+	paper.setStroke(Number($(this)[0].value));
+    });
+    
+    $('#scale').on('input', function () {
+	paper.rescale(Number($(this)[0].value));
+    });
+
+    $('#rotation').on('input', function () {
+	paper.rotationBy(Number($(this)[0].value));
+    });
+
+    $('#freehand-toggle').on('click', function () {
+	paper.toggleFreehand();
+    });
+
+
+    $('#undo-btn').on('click', function () {undo();});
+    $('#redo-btn').on('click', function () {redo();});
+
+    var undoStack = [];
+    var redoStack = [];
+    
+    var undo = function () {
+	if (undoStack.length > 1) {
+	    redoStack.unshift(undoStack.shift());
+	    var conf = decodeConfig( presentEncoding );
+	    conf.prototile.ep = decodeConfig( undoStack[0] );
+	    presentEncoding = encodeConfig( conf );
+	    loadFromConfig( conf );
+	}
+    };
+
+    var redo = function () {
+	if (redoStack.length > 0) {
+	    var conf = decodeConfig( presentEncoding );
+	    conf.prototile.ep = decodeConfig( redoStack[0] );
+	    presentEncoding = encodeConfig( conf );
+	    undoStack.unshift(redoStack.shift());
+	    loadFromConfig( conf );
+	}
+    };
+
+    var presentEncoding;
+    var presentConfig;
+
+    var encodeConfig = function (config) {
+	return LZString.compressToBase64(JSON.stringify(config));
+    };
+
+    var undoableConfig = function (config) {
+	return config.prototile.ep;
+    };
+
+    var addUndoable = function (config) {
+	var encoded = encodeConfig( undoableConfig( config ));
+	if (encoded !== undoStack[0]) {
+	    undoStack.unshift( encoded );
+	    redoStack = [];
+	}
+    };
+
+    var createLink = function () {
+	var config = {
+	    prototile: prototile.settings(),
+	    tool: makeToolConfiguration()
+	};
+	var encoded = encodeConfig( config );
+
+	if (presentEncoding !== encoded) {
+	    presentEncoding = encoded;
+	    presentConfig = config;
+
+	    addUndoable(config);
+
+	    var link = $('<a> here is a link to your tiling -- SHARE IT!</a>' );
+	    link.attr({
+		href: window.location.origin + window.location.pathname + "#" + encoded
+	    });
+	    $('#tiling-link').empty();
+	    $('#tiling-link').append(link);
+	}
+    };
+
+    var makeToolConfiguration = function () {
+	return  {
+	    stroke: Number($('#stroke')[0].value),
+	    rotation: Number($('#rotation')[0].value),
+	};
+    };
+
+    var decodeConfig = function (encoded) {
+	return JSON.parse(LZString.decompressFromBase64(encoded));
+    };
+
+    var loadConfigUrl = function () {
+	loadFromConfig( decodeConfig( window.location.hash.substring(1) ));
+    };
+
+    var loadFromConfig = function (config) {
+	presentEncoding = encodeConfig( config);
+	$('#stroke')[0].value = config.tool.stroke;
+	$('#rotation')[0].value = config.tool.rotation;
+	$('#tiling-class')[0].value = config.prototile.t;
+	$('#scale')[0].value = config.prototile.s;
+	prototile = Ashlar.Isohedral.Prototile.fromSettings(config.prototile);
+	paper.setPrototile(prototile)
+	refreshEdgeSelectors();
+	refreshVertexParameters(prototile.parameters);
+	paper.setStroke(config.tool.stroke);
+	paper.rotationBy(config.tool.rotation);
+	paper.rescale(config.prototile.s);
+    };
+    
+    var MIME_TYPE = 'image/svg+xml';
+
+    var exportData = function () {
+	var filename = $('#filename')[0].value + '.svg';
+
+	var svgString = paper.tilecanvas.exportSVG({   //paper.projects[1].exportSVG({
+	    asString: true
+	});
+	var blob = new Blob([svgString], {type: MIME_TYPE});
+	var a = document.createElement('a');
+	a.download = filename;
+	a.href = window.URL.createObjectURL(blob);
+	document.body.appendChild(a);
+	a.click();
+	document.body.removeChild(a);
+    };
+
+
+    var exportTile = function () {
+	paper.toggleActiveVis();
+	paper.updateModelTile();
+	var filename = $('#tile-filename')[0].value + '.svg';
+	var svgString = paper.modeltile.exportSVG({asString:true});
+	var blob = new Blob([svgString], {type: MIME_TYPE});
+	var a = document.createElement('a');
+	a.download = filename;
+	a.href = window.URL.createObjectURL(blob);
+	document.body.appendChild(a);
+	a.click();
+	document.body.removeChild(a);
+	paper.toggleActiveVis();
+	paper.updateModelTile();
+    }
+    
+    $('#download-button').on('click', function () {
+	exportData();
+    });
+
+    $('#download-tile-button').on('click', function () {
+	exportTile();
+    });
+
+    $('#refresh-editor').on('click', function () {
+	paper.resetEditor();
+    });
+
+    $('#edge-selector').on('change', function (e) {
+	paper.setCurrentPathLabel(e.currentTarget.value);
+    });
+
+    var prototile;
+    
+    // fucking what the fucking hell? calling setPrototile doesn't
+    // work in response to $(window).on('load', ...)  This makes no
+    // sense at all.
+    var initial = setInterval(function () {
+	if (paper && paper.setPrototile) {
+	    paper.createLink = createLink;
+	    if (window.location.hash && window.location.hash.length > 1) {
+		loadConfigUrl();
+	    } else {
+		setPrototile(Ashlar.Isohedral.available()[0]);
+	    }
+	    clearInterval(initial);
+	}
+    }, 100);
+
+    var setPrototile = function (name) {
+	undoStack = [];
+	redoStack = [];
+	prototile = Ashlar.Isohedral.Prototile(name);
+	paper.setPrototile(prototile);
+	paper.rescale(Number($('#scale')[0].value));
+	refreshEdgeSelectors();
+	refreshVertexParameters();
+//	window.PROTOTILE = prototile;
+    };
+
+    var refreshVertexParameters = function (params) {
+	$('#vertex-parameters').empty();
+	var count = prototile.parameterCount || 0;
+	if (count > 0) {
+	    $('#vertex-parameters').append( $('<li><h4>parameters</h4></li>'));
+	    for (var i = 0; i < count; i += 1) {
+		var initval = params ? params[i] : 1.0;
+		var slider = $('<input type="range" min="-2" max="2" step="0.1" value="' + initval + '"/>');
+		(function () {
+		    var param = i;
+		    slider.on('input', function (e) {
+			prototile.parameters[param] = Number(e.currentTarget.value);
+			paper.parameterChange();
+		    });
+		})();
+		var li = $('<li>');
+		li.append(slider);
+		$('#vertex-parameters').append(li);
+	    }
+	}
+    };
+
+    var refreshEdgeSelectors = function () {
+	$('#edge-selector').empty();
+	var free = prototile.getFreeEdges();
+	for (var i = 0; i < free.length; i += 1) {
+	    $('#edge-selector').append( $('<option> ' + free[i].name + '</option>'));
+	}
+    };
+
+    (function () {
+	var avail = Ashlar.Isohedral.available();
+	for (var i = 0; i < avail.length; i += 1) {
+	    $('#tiling-class').append($('<option>'+avail[i]+'</option>'));
+	}
+
+	$('#tiling-class').on('change', function (e) {
+	    setPrototile( e.currentTarget.value);
+	});
+    })();
+
+
+});
+
+
diff --git a/www/js/paper.js b/www/js/paper.js
new file mode 100644
index 0000000..b514817
--- /dev/null
+++ b/www/js/paper.js
@@ -0,0 +1,12901 @@
+/*!
+ * Paper.js v0.9.18 - The Swiss Army Knife of Vector Graphics Scripting.
+ * http://paperjs.org/
+ *
+ * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
+ * http://scratchdisk.com/ & http://jonathanpuckey.com/
+ *
+ * Distributed under the MIT license. See LICENSE file for details.
+ *
+ * All rights reserved.
+ *
+ * Date: Mon Apr 7 11:24:38 2014 +0200
+ *
+ ***
+ *
+ * Straps.js - Class inheritance library with support for bean-style accessors
+ *
+ * Copyright (c) 2006 - 2013 Juerg Lehni
+ * http://scratchdisk.com/
+ *
+ * Distributed under the MIT license.
+ *
+ ***
+ *
+ * Acorn.js
+ * http://marijnhaverbeke.nl/acorn/
+ *
+ * Acorn is a tiny, fast JavaScript parser written in JavaScript,
+ * created by Marijn Haverbeke and released under an MIT license.
+ *
+ */
+
+var paper = new function(undefined) {
+
+var Base = new function() {
+	var hidden = /^(statics|enumerable|beans|preserve)$/,
+
+		forEach = [].forEach || function(iter, bind) {
+			for (var i = 0, l = this.length; i < l; i++)
+				iter.call(bind, this[i], i, this);
+		},
+
+		forIn = function(iter, bind) {
+			for (var i in this)
+				if (this.hasOwnProperty(i))
+					iter.call(bind, this[i], i, this);
+		},
+
+		create = Object.create || function(proto) {
+			return { __proto__: proto };
+		},
+
+		describe = Object.getOwnPropertyDescriptor || function(obj, name) {
+			var get = obj.__lookupGetter__ && obj.__lookupGetter__(name);
+			return get
+					? { get: get, set: obj.__lookupSetter__(name),
+						enumerable: true, configurable: true }
+					: obj.hasOwnProperty(name)
+						? { value: obj[name], enumerable: true,
+							configurable: true, writable: true }
+						: null;
+		},
+
+		_define = Object.defineProperty || function(obj, name, desc) {
+			if ((desc.get || desc.set) && obj.__defineGetter__) {
+				if (desc.get)
+					obj.__defineGetter__(name, desc.get);
+				if (desc.set)
+					obj.__defineSetter__(name, desc.set);
+			} else {
+				obj[name] = desc.value;
+			}
+			return obj;
+		},
+
+		define = function(obj, name, desc) {
+			delete obj[name];
+			return _define(obj, name, desc);
+		};
+
+	function inject(dest, src, enumerable, beans, preserve) {
+		var beansNames = {};
+
+		function field(name, val) {
+			val = val || (val = describe(src, name))
+					&& (val.get ? val : val.value);
+			if (typeof val === 'string' && val[0] === '#')
+				val = dest[val.substring(1)] || val;
+			var isFunc = typeof val === 'function',
+				res = val,
+				prev = preserve || isFunc
+						? (val && val.get ? name in dest : dest[name])
+						: null,
+				bean;
+			if (!preserve || !prev) {
+				if (isFunc && prev)
+					val.base = prev;
+				if (isFunc && beans !== false
+						&& (bean = name.match(/^([gs]et|is)(([A-Z])(.*))$/)))
+					beansNames[bean[3].toLowerCase() + bean[4]] = bean[2];
+				if (!res || isFunc || !res.get || typeof res.get !== 'function'
+						|| !Base.isPlainObject(res))
+					res = { value: res, writable: true };
+				if ((describe(dest, name)
+						|| { configurable: true }).configurable) {
+					res.configurable = true;
+					res.enumerable = enumerable;
+				}
+				define(dest, name, res);
+			}
+		}
+		if (src) {
+			for (var name in src) {
+				if (src.hasOwnProperty(name) && !hidden.test(name))
+					field(name);
+			}
+			for (var name in beansNames) {
+				var part = beansNames[name],
+					set = dest['set' + part],
+					get = dest['get' + part] || set && dest['is' + part];
+				if (get && (beans === true || get.length === 0))
+					field(name, { get: get, set: set });
+			}
+		}
+		return dest;
+	}
+
+	function each(obj, iter, bind) {
+		if (obj)
+			('length' in obj && !obj.getLength
+					&& typeof obj.length === 'number'
+				? forEach
+				: forIn).call(obj, iter, bind = bind || obj);
+		return bind;
+	}
+
+	function set(obj, props) {
+		for (var i in props)
+			if (props.hasOwnProperty(i))
+				obj[i] = props[i];
+		return obj;
+	}
+
+	return inject(function Base() {
+		for (var i = 0, l = arguments.length; i < l; i++)
+			set(this, arguments[i]);
+	}, {
+		inject: function(src) {
+			if (src) {
+				var statics = src.statics === true ? src : src.statics,
+					beans = src.beans,
+					preserve = src.preserve;
+				if (statics !== src)
+					inject(this.prototype, src, src.enumerable, beans, preserve);
+				inject(this, statics, true, beans, preserve);
+			}
+			for (var i = 1, l = arguments.length; i < l; i++)
+				this.inject(arguments[i]);
+			return this;
+		},
+
+		extend: function() {
+			var base = this,
+				ctor;
+			for (var i = 0, l = arguments.length; i < l; i++)
+				if (ctor = arguments[i].initialize)
+					break;
+			ctor = ctor || function() {
+				base.apply(this, arguments);
+			};
+			ctor.prototype = create(this.prototype);
+			ctor.base = base;
+			define(ctor.prototype, 'constructor',
+					{ value: ctor, writable: true, configurable: true });
+			inject(ctor, this, true);
+			return arguments.length ? this.inject.apply(ctor, arguments) : ctor;
+		}
+	}, true).inject({
+		inject: function() {
+			for (var i = 0, l = arguments.length; i < l; i++) {
+				var src = arguments[i];
+				if (src)
+					inject(this, src, src.enumerable, src.beans, src.preserve);
+			}
+			return this;
+		},
+
+		extend: function() {
+			var res = create(this);
+			return res.inject.apply(res, arguments);
+		},
+
+		each: function(iter, bind) {
+			return each(this, iter, bind);
+		},
+
+		clone: function() {
+			return new this.constructor(this);
+		},
+
+		statics: {
+			each: each,
+			create: create,
+			define: define,
+			describe: describe,
+			set: set,
+
+			clone: function(obj) {
+				return set(new obj.constructor(), obj);
+			},
+
+			isPlainObject: function(obj) {
+				var ctor = obj != null && obj.constructor;
+				return ctor && (ctor === Object || ctor === Base
+						|| ctor.name === 'Object');
+			},
+
+			pick: function() {
+				for (var i = 0, l = arguments.length; i < l; i++)
+					if (arguments[i] !== undefined)
+						return arguments[i];
+			}
+		}
+	});
+};
+
+if (typeof module !== 'undefined')
+	module.exports = Base;
+
+if (!Array.isArray) {
+	Array.isArray = function(obj) {
+		return Object.prototype.toString.call(obj) === '[object Array]';
+	};
+}
+
+if (!document.head) {
+	document.head = document.getElementsByTagName('head')[0];
+}
+
+Base.inject({
+	toString: function() {
+		return this._id != null
+			?  (this._class || 'Object') + (this._name
+				? " '" + this._name + "'"
+				: ' @' + this._id)
+			: '{ ' + Base.each(this, function(value, key) {
+				if (!/^_/.test(key)) {
+					var type = typeof value;
+					this.push(key + ': ' + (type === 'number'
+							? Formatter.instance.number(value)
+							: type === 'string' ? "'" + value + "'" : value));
+				}
+			}, []).join(', ') + ' }';
+	},
+
+	exportJSON: function(options) {
+		return Base.exportJSON(this, options);
+	},
+
+	toJSON: function() {
+		return Base.serialize(this);
+	},
+
+	_set: function(props, exclude) {
+		if (props && Base.isPlainObject(props)) {
+			var orig = props._filtering || props;
+			for (var key in orig) {
+				if (key in this && orig.hasOwnProperty(key)
+						&& (!exclude || !exclude[key])) {
+					var value = props[key];
+					if (value !== undefined)
+						this[key] = value;
+				}
+			}
+			return true;
+		}
+	},
+
+	statics: {
+
+		exports: {
+			enumerable: true 
+		},
+
+		extend: function extend() {
+			var res = extend.base.apply(this, arguments),
+				name = res.prototype._class;
+			if (name && !Base.exports[name])
+				Base.exports[name] = res;
+			return res;
+		},
+
+		equals: function(obj1, obj2) {
+			function checkKeys(o1, o2) {
+				for (var i in o1)
+					if (o1.hasOwnProperty(i) && !o2.hasOwnProperty(i))
+						return false;
+				return true;
+			}
+			if (obj1 === obj2)
+				return true;
+			if (obj1 && obj1.equals)
+				return obj1.equals(obj2);
+			if (obj2 && obj2.equals)
+				return obj2.equals(obj1);
+			if (Array.isArray(obj1) && Array.isArray(obj2)) {
+				if (obj1.length !== obj2.length)
+					return false;
+				for (var i = 0, l = obj1.length; i < l; i++) {
+					if (!Base.equals(obj1[i], obj2[i]))
+						return false;
+				}
+				return true;
+			}
+			if (obj1 && typeof obj1 === 'object'
+					&& obj2 && typeof obj2 === 'object') {
+				if (!checkKeys(obj1, obj2) || !checkKeys(obj2, obj1))
+					return false;
+				for (var i in obj1) {
+					if (obj1.hasOwnProperty(i)
+							&& !Base.equals(obj1[i], obj2[i]))
+						return false;
+				}
+				return true;
+			}
+			return false;
+		},
+
+		read: function(list, start, options, length) {
+			if (this === Base) {
+				var value = this.peek(list, start);
+				list.__index++;
+				return value;
+			}
+			var proto = this.prototype,
+				readIndex = proto._readIndex,
+				index = start || readIndex && list.__index || 0;
+			if (!length)
+				length = list.length - index;
+			var obj = list[index];
+			if (obj instanceof this
+				|| options && options.readNull && obj == null && length <= 1) {
+				if (readIndex)
+					list.__index = index + 1;
+				return obj && options && options.clone ? obj.clone() : obj;
+			}
+			obj = Base.create(this.prototype);
+			if (readIndex)
+				obj.__read = true;
+			obj = obj.initialize.apply(obj, index > 0 || length < list.length
+				? Array.prototype.slice.call(list, index, index + length)
+				: list) || obj;
+			if (readIndex) {
+				list.__index = index + obj.__read;
+				obj.__read = undefined;
+			}
+			return obj;
+		},
+
+		peek: function(list, start) {
+			return list[list.__index = start || list.__index || 0];
+		},
+
+		remain: function(list) {
+			return list.length - (list.__index || 0);
+		},
+
+		readAll: function(list, start, options) {
+			var res = [],
+				entry;
+			for (var i = start || 0, l = list.length; i < l; i++) {
+				res.push(Array.isArray(entry = list[i])
+						? this.read(entry, 0, options)
+						: this.read(list, i, options, 1));
+			}
+			return res;
+		},
+
+		readNamed: function(list, name, start, options, length) {
+			var value = this.getNamed(list, name),
+				hasObject = value !== undefined;
+			if (hasObject) {
+				var filtered = list._filtered;
+				if (!filtered) {
+					filtered = list._filtered = Base.create(list[0]);
+					filtered._filtering = list[0];
+				}
+				filtered[name] = undefined;
+			}
+			return this.read(hasObject ? [value] : list, start, options, length);
+		},
+
+		getNamed: function(list, name) {
+			var arg = list[0];
+			if (list._hasObject === undefined)
+				list._hasObject = list.length === 1 && Base.isPlainObject(arg);
+			if (list._hasObject)
+				return name ? arg[name] : list._filtered || arg;
+		},
+
+		hasNamed: function(list, name) {
+			return !!this.getNamed(list, name);
+		},
+
+		isPlainValue: function(obj) {
+			return this.isPlainObject(obj) || Array.isArray(obj);
+		},
+
+		serialize: function(obj, options, compact, dictionary) {
+			options = options || {};
+
+			var root = !dictionary,
+				res;
+			if (root) {
+				options.formatter = new Formatter(options.precision);
+				dictionary = {
+					length: 0,
+					definitions: {},
+					references: {},
+					add: function(item, create) {
+						var id = '#' + item._id,
+							ref = this.references[id];
+						if (!ref) {
+							this.length++;
+							var res = create.call(item),
+								name = item._class;
+							if (name && res[0] !== name)
+								res.unshift(name);
+							this.definitions[id] = res;
+							ref = this.references[id] = [id];
+						}
+						return ref;
+					}
+				};
+			}
+			if (obj && obj._serialize) {
+				res = obj._serialize(options, dictionary);
+				var name = obj._class;
+				if (name && !compact && !res._compact && res[0] !== name)
+					res.unshift(name);
+			} else if (Array.isArray(obj)) {
+				res = [];
+				for (var i = 0, l = obj.length; i < l; i++)
+					res[i] = Base.serialize(obj[i], options, compact,
+							dictionary);
+				if (compact)
+					res._compact = true;
+			} else if (Base.isPlainObject(obj)) {
+				res = {};
+				for (var i in obj)
+					if (obj.hasOwnProperty(i))
+						res[i] = Base.serialize(obj[i], options, compact,
+								dictionary);
+			} else if (typeof obj === 'number') {
+				res = options.formatter.number(obj, options.precision);
+			} else {
+				res = obj;
+			}
+			return root && dictionary.length > 0
+					? [['dictionary', dictionary.definitions], res]
+					: res;
+		},
+
+		deserialize: function(json, create, _data) {
+			var res = json,
+				isRoot = !_data;
+			_data = _data || {};
+			if (Array.isArray(json)) {
+				var type = json[0],
+					isDictionary = type === 'dictionary';
+				if (!isDictionary) {
+					if (_data.dictionary && json.length == 1 && /^#/.test(type))
+						return _data.dictionary[type];
+					type = Base.exports[type];
+				}
+				res = [];
+				for (var i = type ? 1 : 0, l = json.length; i < l; i++)
+					res.push(Base.deserialize(json[i], create, _data));
+				if (isDictionary) {
+					_data.dictionary = res[0];
+				} else if (type) {
+					var args = res;
+					if (create) {
+						res = create(type, args, isRoot);
+					} else {
+						res = Base.create(type.prototype);
+						type.apply(res, args);
+					}
+				}
+			} else if (Base.isPlainObject(json)) {
+				res = {};
+				for (var key in json)
+					res[key] = Base.deserialize(json[key], create, _data);
+			}
+			return res;
+		},
+
+		exportJSON: function(obj, options) {
+			var json = Base.serialize(obj, options);
+			return options && options.asString === false
+					? json
+					: JSON.stringify(json);
+		},
+
+		importJSON: function(json, target) {
+			return Base.deserialize(
+					typeof json === 'string' ? JSON.parse(json) : json,
+					function(type, args, isRoot) {
+						var obj = target && target.constructor === type
+								? target
+								: Base.create(type.prototype),
+							isTarget = obj === target;
+						if (!isRoot && args.length === 1 && obj instanceof Item
+								&& (!(obj instanceof Layer) || isTarget)) {
+							var arg = args[0];
+							if (Base.isPlainObject(arg))
+								arg.insert = false;
+						}
+						type.apply(obj, args);
+						if (isTarget)
+							target = null;
+						return obj;
+					});
+		},
+
+		splice: function(list, items, index, remove) {
+			var amount = items && items.length,
+				append = index === undefined;
+			index = append ? list.length : index;
+			if (index > list.length)
+				index = list.length;
+			for (var i = 0; i < amount; i++)
+				items[i]._index = index + i;
+			if (append) {
+				list.push.apply(list, items);
+				return [];
+			} else {
+				var args = [index, remove];
+				if (items)
+					args.push.apply(args, items);
+				var removed = list.splice.apply(list, args);
+				for (var i = 0, l = removed.length; i < l; i++)
+					removed[i]._index = undefined;
+				for (var i = index + amount, l = list.length; i < l; i++)
+					list[i]._index = i;
+				return removed;
+			}
+		},
+
+		capitalize: function(str) {
+			return str.replace(/\b[a-z]/g, function(match) {
+				return match.toUpperCase();
+			});
+		},
+
+		camelize: function(str) {
+			return str.replace(/-(.)/g, function(all, chr) {
+				return chr.toUpperCase();
+			});
+		},
+
+		hyphenate: function(str) {
+			return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
+		}
+	}
+});
+
+var Callback = {
+	attach: function(type, func) {
+		if (typeof type !== 'string') {
+			Base.each(type, function(value, key) {
+				this.attach(key, value);
+			}, this);
+			return;
+		}
+		var entry = this._eventTypes[type];
+		if (entry) {
+			var handlers = this._handlers = this._handlers || {};
+			handlers = handlers[type] = handlers[type] || [];
+			if (handlers.indexOf(func) == -1) { 
+				handlers.push(func);
+				if (entry.install && handlers.length == 1)
+					entry.install.call(this, type);
+			}
+		}
+	},
+
+	detach: function(type, func) {
+		if (typeof type !== 'string') {
+			Base.each(type, function(value, key) {
+				this.detach(key, value);
+			}, this);
+			return;
+		}
+		var entry = this._eventTypes[type],
+			handlers = this._handlers && this._handlers[type],
+			index;
+		if (entry && handlers) {
+			if (!func || (index = handlers.indexOf(func)) != -1
+					&& handlers.length == 1) {
+				if (entry.uninstall)
+					entry.uninstall.call(this, type);
+				delete this._handlers[type];
+			} else if (index != -1) {
+				handlers.splice(index, 1);
+			}
+		}
+	},
+
+	once: function(type, func) {
+		this.attach(type, function() {
+			func.apply(this, arguments);
+			this.detach(type, func);
+		});
+	},
+
+	fire: function(type, event) {
+		var handlers = this._handlers && this._handlers[type];
+		if (!handlers)
+			return false;
+		var args = [].slice.call(arguments, 1),
+			that = this;
+		for (var i = 0, l = handlers.length; i < l; i++) {
+			if (handlers[i].apply(that, args) === false
+					&& event && event.stop) {
+				event.stop();
+				break;
+			}
+		}
+		return true;
+	},
+
+	responds: function(type) {
+		return !!(this._handlers && this._handlers[type]);
+	},
+
+	on: '#attach',
+	off: '#detach',
+	trigger: '#fire',
+
+	_installEvents: function(install) {
+		var handlers = this._handlers,
+			key = install ? 'install' : 'uninstall';
+		for (var type in handlers) {
+			if (handlers[type].length > 0) {
+				var entry = this._eventTypes[type],
+					func = entry[key];
+				if (func)
+					func.call(this, type);
+			}
+		}
+	},
+
+	statics: {
+		inject: function inject() {
+			for (var i = 0, l = arguments.length; i < l; i++) {
+				var src = arguments[i],
+					events = src._events;
+				if (events) {
+					var types = {};
+					Base.each(events, function(entry, key) {
+						var isString = typeof entry === 'string',
+							name = isString ? entry : key,
+							part = Base.capitalize(name),
+							type = name.substring(2).toLowerCase();
+						types[type] = isString ? {} : entry;
+						name = '_' + name;
+						src['get' + part] = function() {
+							return this[name];
+						};
+						src['set' + part] = function(func) {
+							var prev = this[name];
+							if (prev)
+								this.detach(type, prev);
+							if (func)
+								this.attach(type, func);
+							this[name] = func;
+						};
+					});
+					src._eventTypes = types;
+				}
+				inject.base.call(this, src);
+			}
+			return this;
+		}
+	}
+};
+
+var PaperScope = Base.extend({
+	_class: 'PaperScope',
+
+	initialize: function PaperScope(script) {
+		paper = this;
+		this.settings = {
+			applyMatrix: true,
+			handleSize: 4,
+			hitTolerance: 0
+		};
+		this.project = null;
+		this.projects = [];
+		this.tools = [];
+		this.palettes = [];
+		this._id = script && (script.getAttribute('id') || script.src)
+				|| ('paperscope-' + (PaperScope._id++));
+		if (script)
+			script.setAttribute('id', this._id);
+		PaperScope._scopes[this._id] = this;
+		if (!this.support) {
+			var ctx = CanvasProvider.getContext(1, 1);
+			PaperScope.prototype.support = {
+				nativeDash: 'setLineDash' in ctx || 'mozDash' in ctx,
+				nativeBlendModes: BlendMode.nativeModes
+			};
+			CanvasProvider.release(ctx);
+		}
+	},
+
+	version: '0.9.18',
+
+	getView: function() {
+		return this.project && this.project.getView();
+	},
+
+	getPaper: function() {
+		return this;
+	},
+
+	execute: function(code) {
+		paper.PaperScript.execute(code, this);
+		View.updateFocus();
+	},
+
+	install: function(scope) {
+		var that = this;
+		Base.each(['project', 'view', 'tool'], function(key) {
+			Base.define(scope, key, {
+				configurable: true,
+				get: function() {
+					return that[key];
+				}
+			});
+		});
+		for (var key in this)
+			if (!/^_/.test(key) && this[key])
+				scope[key] = this[key];
+	},
+
+	setup: function(canvas) {
+		paper = this;
+		this.project = new Project(canvas);
+		return this;
+	},
+
+	activate: function() {
+		paper = this;
+	},
+
+	clear: function() {
+		for (var i = this.projects.length - 1; i >= 0; i--)
+			this.projects[i].remove();
+		for (var i = this.tools.length - 1; i >= 0; i--)
+			this.tools[i].remove();
+		for (var i = this.palettes.length - 1; i >= 0; i--)
+			this.palettes[i].remove();
+	},
+
+	remove: function() {
+		this.clear();
+		delete PaperScope._scopes[this._id];
+	},
+
+	statics: new function() {
+		function handleAttribute(name) {
+			name += 'Attribute';
+			return function(el, attr) {
+				return el[name](attr) || el[name]('data-paper-' + attr);
+			};
+		}
+
+		return {
+			_scopes: {},
+			_id: 0,
+
+			get: function(id) {
+				if (id && id.getAttribute)
+					id = id.getAttribute('id');
+				return this._scopes[id] || null;
+			},
+
+			getAttribute: handleAttribute('get'),
+			hasAttribute: handleAttribute('has')
+		};
+	}
+});
+
+var PaperScopeItem = Base.extend(Callback, {
+
+	initialize: function(activate) {
+		this._scope = paper;
+		this._index = this._scope[this._list].push(this) - 1;
+		if (activate || !this._scope[this._reference])
+			this.activate();
+	},
+
+	activate: function() {
+		if (!this._scope)
+			return false;
+		var prev = this._scope[this._reference];
+		if (prev && prev !== this)
+			prev.fire('deactivate');
+		this._scope[this._reference] = this;
+		this.fire('activate', prev);
+		return true;
+	},
+
+	isActive: function() {
+		return this._scope[this._reference] === this;
+	},
+
+	remove: function() {
+		if (this._index == null)
+			return false;
+		Base.splice(this._scope[this._list], null, this._index, 1);
+		if (this._scope[this._reference] == this)
+			this._scope[this._reference] = null;
+		this._scope = null;
+		return true;
+	}
+});
+
+var Formatter = Base.extend({
+	initialize: function(precision) {
+		this.precision = precision || 5;
+		this.multiplier = Math.pow(10, this.precision);
+	},
+
+	number: function(val) {
+		return Math.round(val * this.multiplier) / this.multiplier;
+	},
+
+	point: function(val, separator) {
+		return this.number(val.x) + (separator || ',') + this.number(val.y);
+	},
+
+	size: function(val, separator) {
+		return this.number(val.width) + (separator || ',')
+				+ this.number(val.height);
+	},
+
+	rectangle: function(val, separator) {
+		return this.point(val, separator) + (separator || ',')
+				+ this.size(val, separator);
+	}
+});
+
+Formatter.instance = new Formatter();
+
+var Numerical = new function() {
+
+	var abscissas = [
+		[  0.5773502691896257645091488],
+		[0,0.7745966692414833770358531],
+		[  0.3399810435848562648026658,0.8611363115940525752239465],
+		[0,0.5384693101056830910363144,0.9061798459386639927976269],
+		[  0.2386191860831969086305017,0.6612093864662645136613996,0.9324695142031520278123016],
+		[0,0.4058451513773971669066064,0.7415311855993944398638648,0.9491079123427585245261897],
+		[  0.1834346424956498049394761,0.5255324099163289858177390,0.7966664774136267395915539,0.9602898564975362316835609],
+		[0,0.3242534234038089290385380,0.6133714327005903973087020,0.8360311073266357942994298,0.9681602395076260898355762],
+		[  0.1488743389816312108848260,0.4333953941292471907992659,0.6794095682990244062343274,0.8650633666889845107320967,0.9739065285171717200779640],
+		[0,0.2695431559523449723315320,0.5190961292068118159257257,0.7301520055740493240934163,0.8870625997680952990751578,0.9782286581460569928039380],
+		[  0.1252334085114689154724414,0.3678314989981801937526915,0.5873179542866174472967024,0.7699026741943046870368938,0.9041172563704748566784659,0.9815606342467192506905491],
+		[0,0.2304583159551347940655281,0.4484927510364468528779129,0.6423493394403402206439846,0.8015780907333099127942065,0.9175983992229779652065478,0.9841830547185881494728294],
+		[  0.1080549487073436620662447,0.3191123689278897604356718,0.5152486363581540919652907,0.6872929048116854701480198,0.8272013150697649931897947,0.9284348836635735173363911,0.9862838086968123388415973],
+		[0,0.2011940939974345223006283,0.3941513470775633698972074,0.5709721726085388475372267,0.7244177313601700474161861,0.8482065834104272162006483,0.9372733924007059043077589,0.9879925180204854284895657],
+		[  0.0950125098376374401853193,0.2816035507792589132304605,0.4580167776572273863424194,0.6178762444026437484466718,0.7554044083550030338951012,0.8656312023878317438804679,0.9445750230732325760779884,0.9894009349916499325961542]
+	];
+
+	var weights = [
+		[1],
+		[0.8888888888888888888888889,0.5555555555555555555555556],
+		[0.6521451548625461426269361,0.3478548451374538573730639],
+		[0.5688888888888888888888889,0.4786286704993664680412915,0.2369268850561890875142640],
+		[0.4679139345726910473898703,0.3607615730481386075698335,0.1713244923791703450402961],
+		[0.4179591836734693877551020,0.3818300505051189449503698,0.2797053914892766679014678,0.1294849661688696932706114],
+		[0.3626837833783619829651504,0.3137066458778872873379622,0.2223810344533744705443560,0.1012285362903762591525314],
+		[0.3302393550012597631645251,0.3123470770400028400686304,0.2606106964029354623187429,0.1806481606948574040584720,0.0812743883615744119718922],
+		[0.2955242247147528701738930,0.2692667193099963550912269,0.2190863625159820439955349,0.1494513491505805931457763,0.0666713443086881375935688],
+		[0.2729250867779006307144835,0.2628045445102466621806889,0.2331937645919904799185237,0.1862902109277342514260976,0.1255803694649046246346943,0.0556685671161736664827537],
+		[0.2491470458134027850005624,0.2334925365383548087608499,0.2031674267230659217490645,0.1600783285433462263346525,0.1069393259953184309602547,0.0471753363865118271946160],
+		[0.2325515532308739101945895,0.2262831802628972384120902,0.2078160475368885023125232,0.1781459807619457382800467,0.1388735102197872384636018,0.0921214998377284479144218,0.0404840047653158795200216],
+		[0.2152638534631577901958764,0.2051984637212956039659241,0.1855383974779378137417166,0.1572031671581935345696019,0.1215185706879031846894148,0.0801580871597602098056333,0.0351194603317518630318329],
+		[0.2025782419255612728806202,0.1984314853271115764561183,0.1861610000155622110268006,0.1662692058169939335532009,0.1395706779261543144478048,0.1071592204671719350118695,0.0703660474881081247092674,0.0307532419961172683546284],
+		[0.1894506104550684962853967,0.1826034150449235888667637,0.1691565193950025381893121,0.1495959888165767320815017,0.1246289712555338720524763,0.0951585116824927848099251,0.0622535239386478928628438,0.0271524594117540948517806]
+	];
+
+	var abs = Math.abs,
+		sqrt = Math.sqrt,
+		pow = Math.pow,
+		cos = Math.cos,
+		PI = Math.PI,
+		TOLERANCE = 10e-6,
+		EPSILON = 10e-12;
+
+	function setupRoots(roots, min, max) {
+		var unbound = min === undefined,
+			minE = min - EPSILON,
+			maxE = max + EPSILON,
+			count = 0;
+		return function(root) {
+			if (unbound || root > minE && root < maxE)
+				roots[count++] = root < min ? min : root > max ? max : root;
+			return count;
+		};
+	}
+
+	return {
+		TOLERANCE: TOLERANCE,
+		EPSILON: EPSILON,
+		KAPPA: 4 * (sqrt(2) - 1) / 3,
+
+		isZero: function(val) {
+			return abs(val) <= EPSILON;
+		},
+
+		integrate: function(f, a, b, n) {
+			var x = abscissas[n - 2],
+				w = weights[n - 2],
+				A = 0.5 * (b - a),
+				B = A + a,
+				i = 0,
+				m = (n + 1) >> 1,
+				sum = n & 1 ? w[i++] * f(B) : 0; 
+			while (i < m) {
+				var Ax = A * x[i];
+				sum += w[i++] * (f(B + Ax) + f(B - Ax));
+			}
+			return A * sum;
+		},
+
+		findRoot: function(f, df, x, a, b, n, tolerance) {
+			for (var i = 0; i < n; i++) {
+				var fx = f(x),
+					dx = fx / df(x),
+					nx = x - dx;
+				if (abs(dx) < tolerance)
+					return nx;
+				if (fx > 0) {
+					b = x;
+					x = nx <= a ? 0.5 * (a + b) : nx;
+				} else {
+					a = x;
+					x = nx >= b ? 0.5 * (a + b) : nx;
+				}
+			}
+			return x;
+		},
+
+		solveQuadratic: function(a, b, c, roots, min, max) {
+			var add = setupRoots(roots, min, max);
+
+			if (abs(a) < EPSILON) {
+				if (abs(b) >= EPSILON)
+					return add(-c / b);
+				return abs(c) < EPSILON ? -1 : 0; 
+			}
+			var p = b / (2 * a);
+			var q = c / a;
+			var p2 = p * p;
+			if (p2 < q - EPSILON)
+				return 0;
+			var s = p2 > q ? sqrt(p2 - q) : 0,
+				count = add(s - p);
+			if (s > 0)
+				count = add(-s - p);
+			return count;
+		},
+
+		solveCubic: function(a, b, c, d, roots, min, max) {
+			if (abs(a) < EPSILON)
+				return Numerical.solveQuadratic(b, c, d, roots, min, max);
+
+			b /= a;
+			c /= a;
+			d /= a;
+			var add = setupRoots(roots, min, max),
+				bb = b * b,
+				p = (bb - 3 * c) / 9,
+				q = (2 * bb * b - 9 * b * c + 27 * d) / 54,
+				ppp = p * p * p,
+				D = q * q - ppp;
+			b /= 3;
+			if (abs(D) < EPSILON) {
+				if (abs(q) < EPSILON) 
+					return add(-b);
+				var sqp = sqrt(p),
+					snq = q > 0 ? 1 : -1;
+				add(-snq * 2 * sqp - b);
+				return add(snq * sqp - b);
+			}
+			if (D < 0) { 
+				var sqp = sqrt(p),
+					phi = Math.acos(q / (sqp * sqp * sqp)) / 3,
+					t = -2 * sqp,
+					o = 2 * PI / 3;
+				add(t * cos(phi) - b);
+				add(t * cos(phi + o) - b);
+				return add(t * cos(phi - o) - b);
+			}
+			var A = (q > 0 ? -1 : 1) * pow(abs(q) + sqrt(D), 1 / 3);
+			return add(A + p / A - b);
+		}
+	};
+};
+
+var Point = Base.extend({
+	_class: 'Point',
+	_readIndex: true,
+
+	initialize: function Point(arg0, arg1) {
+		var type = typeof arg0;
+		if (type === 'number') {
+			var hasY = typeof arg1 === 'number';
+			this.x = arg0;
+			this.y = hasY ? arg1 : arg0;
+			if (this.__read)
+				this.__read = hasY ? 2 : 1;
+		} else if (type === 'undefined' || arg0 === null) {
+			this.x = this.y = 0;
+			if (this.__read)
+				this.__read = arg0 === null ? 1 : 0;
+		} else {
+			if (Array.isArray(arg0)) {
+				this.x = arg0[0];
+				this.y = arg0.length > 1 ? arg0[1] : arg0[0];
+			} else if (arg0.x != null) {
+				this.x = arg0.x;
+				this.y = arg0.y;
+			} else if (arg0.width != null) {
+				this.x = arg0.width;
+				this.y = arg0.height;
+			} else if (arg0.angle != null) {
+				this.x = arg0.length;
+				this.y = 0;
+				this.setAngle(arg0.angle);
+			} else {
+				this.x = this.y = 0;
+				if (this.__read)
+					this.__read = 0;
+			}
+			if (this.__read)
+				this.__read = 1;
+		}
+	},
+
+	set: function(x, y) {
+		this.x = x;
+		this.y = y;
+		return this;
+	},
+
+	equals: function(point) {
+		return this === point || point
+				&& (this.x === point.x && this.y === point.y
+					|| Array.isArray(point)
+						&& this.x === point[0] && this.y === point[1])
+				|| false;
+	},
+
+	clone: function() {
+		return new Point(this.x, this.y);
+	},
+
+	toString: function() {
+		var f = Formatter.instance;
+		return '{ x: ' + f.number(this.x) + ', y: ' + f.number(this.y) + ' }';
+	},
+
+	_serialize: function(options) {
+		var f = options.formatter;
+		return [f.number(this.x), f.number(this.y)];
+	},
+
+	getLength: function() {
+		return Math.sqrt(this.x * this.x + this.y * this.y);
+	},
+
+	setLength: function(length) {
+		if (this.isZero()) {
+			var angle = this._angle || 0;
+			this.set(
+				Math.cos(angle) * length,
+				Math.sin(angle) * length
+			);
+		} else {
+			var scale = length / this.getLength();
+			if (Numerical.isZero(scale))
+				this.getAngle();
+			this.set(
+				this.x * scale,
+				this.y * scale
+			);
+		}
+	},
+	getAngle: function() {
+		return this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI;
+	},
+
+	setAngle: function(angle) {
+		this.setAngleInRadians.call(this, angle * Math.PI / 180);
+	},
+
+	getAngleInDegrees: '#getAngle',
+	setAngleInDegrees: '#setAngle',
+
+	getAngleInRadians: function() {
+		if (!arguments.length) {
+			return this.isZero()
+					? this._angle || 0
+					: this._angle = Math.atan2(this.y, this.x);
+		} else {
+			var point = Point.read(arguments),
+				div = this.getLength() * point.getLength();
+			if (Numerical.isZero(div)) {
+				return NaN;
+			} else {
+				return Math.acos(this.dot(point) / div);
+			}
+		}
+	},
+
+	setAngleInRadians: function(angle) {
+		this._angle = angle;
+		if (!this.isZero()) {
+			var length = this.getLength();
+			this.set(
+				Math.cos(angle) * length,
+				Math.sin(angle) * length
+			);
+		}
+	},
+
+	getQuadrant: function() {
+		return this.x >= 0 ? this.y >= 0 ? 1 : 4 : this.y >= 0 ? 2 : 3;
+	}
+}, {
+	beans: false,
+
+	getDirectedAngle: function() {
+		var point = Point.read(arguments);
+		return Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI;
+	},
+
+	getDistance: function() {
+		var point = Point.read(arguments),
+			x = point.x - this.x,
+			y = point.y - this.y,
+			d = x * x + y * y,
+			squared = Base.read(arguments);
+		return squared ? d : Math.sqrt(d);
+	},
+
+	normalize: function(length) {
+		if (length === undefined)
+			length = 1;
+		var current = this.getLength(),
+			scale = current !== 0 ? length / current : 0,
+			point = new Point(this.x * scale, this.y * scale);
+		if (scale >= 0)
+			point._angle = this._angle;
+		return point;
+	},
+
+	rotate: function(angle, center) {
+		if (angle === 0)
+			return this.clone();
+		angle = angle * Math.PI / 180;
+		var point = center ? this.subtract(center) : this,
+			s = Math.sin(angle),
+			c = Math.cos(angle);
+		point = new Point(
+			point.x * c - point.y * s,
+			point.x * s + point.y * c
+		);
+		return center ? point.add(center) : point;
+	},
+
+	transform: function(matrix) {
+		return matrix ? matrix._transformPoint(this) : this;
+	},
+
+	add: function() {
+		var point = Point.read(arguments);
+		return new Point(this.x + point.x, this.y + point.y);
+	},
+
+	subtract: function() {
+		var point = Point.read(arguments);
+		return new Point(this.x - point.x, this.y - point.y);
+	},
+
+	multiply: function() {
+		var point = Point.read(arguments);
+		return new Point(this.x * point.x, this.y * point.y);
+	},
+
+	divide: function() {
+		var point = Point.read(arguments);
+		return new Point(this.x / point.x, this.y / point.y);
+	},
+
+	modulo: function() {
+		var point = Point.read(arguments);
+		return new Point(this.x % point.x, this.y % point.y);
+	},
+
+	negate: function() {
+		return new Point(-this.x, -this.y);
+	},
+
+	isInside: function(rect) {
+		return rect.contains(this);
+	},
+
+	isClose: function(point, tolerance) {
+		return this.getDistance(point) < tolerance;
+	},
+
+	isColinear: function(point) {
+		return Math.abs(this.cross(point)) < 0.00001;
+	},
+
+	isOrthogonal: function(point) {
+		return Math.abs(this.dot(point)) < 0.00001;
+	},
+
+	isZero: function() {
+		return Numerical.isZero(this.x) && Numerical.isZero(this.y);
+	},
+
+	isNaN: function() {
+		return isNaN(this.x) || isNaN(this.y);
+	},
+
+	dot: function() {
+		var point = Point.read(arguments);
+		return this.x * point.x + this.y * point.y;
+	},
+
+	cross: function() {
+		var point = Point.read(arguments);
+		return this.x * point.y - this.y * point.x;
+	},
+
+	project: function() {
+		var point = Point.read(arguments);
+		if (point.isZero()) {
+			return new Point(0, 0);
+		} else {
+			var scale = this.dot(point) / point.dot(point);
+			return new Point(
+				point.x * scale,
+				point.y * scale
+			);
+		}
+	},
+
+	statics: {
+		min: function() {
+			var point1 = Point.read(arguments),
+				point2 = Point.read(arguments);
+			return new Point(
+				Math.min(point1.x, point2.x),
+				Math.min(point1.y, point2.y)
+			);
+		},
+
+		max: function() {
+			var point1 = Point.read(arguments),
+				point2 = Point.read(arguments);
+			return new Point(
+				Math.max(point1.x, point2.x),
+				Math.max(point1.y, point2.y)
+			);
+		},
+
+		random: function() {
+			return new Point(Math.random(), Math.random());
+		}
+	}
+}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) {
+	var op = Math[name];
+	this[name] = function() {
+		return new Point(op(this.x), op(this.y));
+	};
+}, {}));
+
+var LinkedPoint = Point.extend({
+	initialize: function Point(x, y, owner, setter) {
+		this._x = x;
+		this._y = y;
+		this._owner = owner;
+		this._setter = setter;
+	},
+
+	set: function(x, y, _dontNotify) {
+		this._x = x;
+		this._y = y;
+		if (!_dontNotify)
+			this._owner[this._setter](this);
+		return this;
+	},
+
+	getX: function() {
+		return this._x;
+	},
+
+	setX: function(x) {
+		this._x = x;
+		this._owner[this._setter](this);
+	},
+
+	getY: function() {
+		return this._y;
+	},
+
+	setY: function(y) {
+		this._y = y;
+		this._owner[this._setter](this);
+	}
+});
+
+var Size = Base.extend({
+	_class: 'Size',
+	_readIndex: true,
+
+	initialize: function Size(arg0, arg1) {
+		var type = typeof arg0;
+		if (type === 'number') {
+			var hasHeight = typeof arg1 === 'number';
+			this.width = arg0;
+			this.height = hasHeight ? arg1 : arg0;
+			if (this.__read)
+				this.__read = hasHeight ? 2 : 1;
+		} else if (type === 'undefined' || arg0 === null) {
+			this.width = this.height = 0;
+			if (this.__read)
+				this.__read = arg0 === null ? 1 : 0;
+		} else {
+			if (Array.isArray(arg0)) {
+				this.width = arg0[0];
+				this.height = arg0.length > 1 ? arg0[1] : arg0[0];
+			} else if (arg0.width != null) {
+				this.width = arg0.width;
+				this.height = arg0.height;
+			} else if (arg0.x != null) {
+				this.width = arg0.x;
+				this.height = arg0.y;
+			} else {
+				this.width = this.height = 0;
+				if (this.__read)
+					this.__read = 0;
+			}
+			if (this.__read)
+				this.__read = 1;
+		}
+	},
+
+	set: function(width, height) {
+		this.width = width;
+		this.height = height;
+		return this;
+	},
+
+	equals: function(size) {
+		return size === this || size && (this.width === size.width
+				&& this.height === size.height
+				|| Array.isArray(size) && this.width === size[0]
+					&& this.height === size[1]) || false;
+	},
+
+	clone: function() {
+		return new Size(this.width, this.height);
+	},
+
+	toString: function() {
+		var f = Formatter.instance;
+		return '{ width: ' + f.number(this.width)
+				+ ', height: ' + f.number(this.height) + ' }';
+	},
+
+	_serialize: function(options) {
+		var f = options.formatter;
+		return [f.number(this.width),
+				f.number(this.height)];
+	},
+
+	add: function() {
+		var size = Size.read(arguments);
+		return new Size(this.width + size.width, this.height + size.height);
+	},
+
+	subtract: function() {
+		var size = Size.read(arguments);
+		return new Size(this.width - size.width, this.height - size.height);
+	},
+
+	multiply: function() {
+		var size = Size.read(arguments);
+		return new Size(this.width * size.width, this.height * size.height);
+	},
+
+	divide: function() {
+		var size = Size.read(arguments);
+		return new Size(this.width / size.width, this.height / size.height);
+	},
+
+	modulo: function() {
+		var size = Size.read(arguments);
+		return new Size(this.width % size.width, this.height % size.height);
+	},
+
+	negate: function() {
+		return new Size(-this.width, -this.height);
+	},
+
+	isZero: function() {
+		return Numerical.isZero(this.width) && Numerical.isZero(this.height);
+	},
+
+	isNaN: function() {
+		return isNaN(this.width) || isNaN(this.height);
+	},
+
+	statics: {
+		min: function(size1, size2) {
+			return new Size(
+				Math.min(size1.width, size2.width),
+				Math.min(size1.height, size2.height));
+		},
+
+		max: function(size1, size2) {
+			return new Size(
+				Math.max(size1.width, size2.width),
+				Math.max(size1.height, size2.height));
+		},
+
+		random: function() {
+			return new Size(Math.random(), Math.random());
+		}
+	}
+}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) {
+	var op = Math[name];
+	this[name] = function() {
+		return new Size(op(this.width), op(this.height));
+	};
+}, {}));
+
+var LinkedSize = Size.extend({
+	initialize: function Size(width, height, owner, setter) {
+		this._width = width;
+		this._height = height;
+		this._owner = owner;
+		this._setter = setter;
+	},
+
+	set: function(width, height, _dontNotify) {
+		this._width = width;
+		this._height = height;
+		if (!_dontNotify)
+			this._owner[this._setter](this);
+		return this;
+	},
+
+	getWidth: function() {
+		return this._width;
+	},
+
+	setWidth: function(width) {
+		this._width = width;
+		this._owner[this._setter](this);
+	},
+
+	getHeight: function() {
+		return this._height;
+	},
+
+	setHeight: function(height) {
+		this._height = height;
+		this._owner[this._setter](this);
+	}
+});
+
+var Rectangle = Base.extend({
+	_class: 'Rectangle',
+	_readIndex: true,
+	beans: true,
+
+	initialize: function Rectangle(arg0, arg1, arg2, arg3) {
+		var type = typeof arg0,
+			read = 0;
+		if (type === 'number') {
+			this.x = arg0;
+			this.y = arg1;
+			this.width = arg2;
+			this.height = arg3;
+			read = 4;
+		} else if (type === 'undefined' || arg0 === null) {
+			this.x = this.y = this.width = this.height = 0;
+			read = arg0 === null ? 1 : 0;
+		} else if (arguments.length === 1) {
+			if (Array.isArray(arg0)) {
+				this.x = arg0[0];
+				this.y = arg0[1];
+				this.width = arg0[2];
+				this.height = arg0[3];
+				read = 1;
+			} else if (arg0.x !== undefined || arg0.width !== undefined) {
+				this.x = arg0.x || 0;
+				this.y = arg0.y || 0;
+				this.width = arg0.width || 0;
+				this.height = arg0.height || 0;
+				read = 1;
+			} else if (arg0.from === undefined && arg0.to === undefined) {
+				this.x = this.y = this.width = this.height = 0;
+				this._set(arg0);
+				read = 1;
+			}
+		}
+		if (!read) {
+			var point = Point.readNamed(arguments, 'from'),
+				next = Base.peek(arguments);
+			this.x = point.x;
+			this.y = point.y;
+			if (next && next.x !== undefined || Base.hasNamed(arguments, 'to')) {
+				var to = Point.readNamed(arguments, 'to');
+				this.width = to.x - point.x;
+				this.height = to.y - point.y;
+				if (this.width < 0) {
+					this.x = to.x;
+					this.width = -this.width;
+				}
+				if (this.height < 0) {
+					this.y = to.y;
+					this.height = -this.height;
+				}
+			} else {
+				var size = Size.read(arguments);
+				this.width = size.width;
+				this.height = size.height;
+			}
+			read = arguments.__index;
+		}
+		if (this.__read)
+			this.__read = read;
+	},
+
+	set: function(x, y, width, height) {
+		this.x = x;
+		this.y = y;
+		this.width = width;
+		this.height = height;
+		return this;
+	},
+
+	clone: function() {
+		return new Rectangle(this.x, this.y, this.width, this.height);
+	},
+
+	equals: function(rect) {
+		var rt = Base.isPlainValue(rect)
+				? Rectangle.read(arguments)
+				: rect;
+		return rt === this
+				|| rt && this.x === rt.x && this.y === rt.y
+					&& this.width === rt.width && this.height === rt.height
+				|| false;
+	},
+
+	toString: function() {
+		var f = Formatter.instance;
+		return '{ x: ' + f.number(this.x)
+				+ ', y: ' + f.number(this.y)
+				+ ', width: ' + f.number(this.width)
+				+ ', height: ' + f.number(this.height)
+				+ ' }';
+	},
+
+	_serialize: function(options) {
+		var f = options.formatter;
+		return [f.number(this.x),
+				f.number(this.y),
+				f.number(this.width),
+				f.number(this.height)];
+	},
+
+	getPoint: function(_dontLink) {
+		var ctor = _dontLink ? Point : LinkedPoint;
+		return new ctor(this.x, this.y, this, 'setPoint');
+	},
+
+	setPoint: function() {
+		var point = Point.read(arguments);
+		this.x = point.x;
+		this.y = point.y;
+	},
+
+	getSize: function(_dontLink) {
+		var ctor = _dontLink ? Size : LinkedSize;
+		return new ctor(this.width, this.height, this, 'setSize');
+	},
+
+	setSize: function() {
+		var size = Size.read(arguments);
+		if (this._fixX)
+			this.x += (this.width - size.width) * this._fixX;
+		if (this._fixY)
+			this.y += (this.height - size.height) * this._fixY;
+		this.width = size.width;
+		this.height = size.height;
+		this._fixW = 1;
+		this._fixH = 1;
+	},
+
+	getLeft: function() {
+		return this.x;
+	},
+
+	setLeft: function(left) {
+		if (!this._fixW)
+			this.width -= left - this.x;
+		this.x = left;
+		this._fixX = 0;
+	},
+
+	getTop: function() {
+		return this.y;
+	},
+
+	setTop: function(top) {
+		if (!this._fixH)
+			this.height -= top - this.y;
+		this.y = top;
+		this._fixY = 0;
+	},
+
+	getRight: function() {
+		return this.x + this.width;
+	},
+
+	setRight: function(right) {
+		if (this._fixX !== undefined && this._fixX !== 1)
+			this._fixW = 0;
+		if (this._fixW)
+			this.x = right - this.width;
+		else
+			this.width = right - this.x;
+		this._fixX = 1;
+	},
+
+	getBottom: function() {
+		return this.y + this.height;
+	},
+
+	setBottom: function(bottom) {
+		if (this._fixY !== undefined && this._fixY !== 1)
+			this._fixH = 0;
+		if (this._fixH)
+			this.y = bottom - this.height;
+		else
+			this.height = bottom - this.y;
+		this._fixY = 1;
+	},
+
+	getCenterX: function() {
+		return this.x + this.width * 0.5;
+	},
+
+	setCenterX: function(x) {
+		this.x = x - this.width * 0.5;
+		this._fixX = 0.5;
+	},
+
+	getCenterY: function() {
+		return this.y + this.height * 0.5;
+	},
+
+	setCenterY: function(y) {
+		this.y = y - this.height * 0.5;
+		this._fixY = 0.5;
+	},
+
+	getCenter: function(_dontLink) {
+		var ctor = _dontLink ? Point : LinkedPoint;
+		return new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter');
+	},
+
+	setCenter: function() {
+		var point = Point.read(arguments);
+		this.setCenterX(point.x);
+		this.setCenterY(point.y);
+		return this;
+	},
+
+	getArea: function() {
+		return this.width * this.height;
+	},
+
+	isEmpty: function() {
+		return this.width === 0 || this.height === 0;
+	},
+
+	contains: function(arg) {
+		return arg && arg.width !== undefined
+				|| (Array.isArray(arg) ? arg : arguments).length == 4
+				? this._containsRectangle(Rectangle.read(arguments))
+				: this._containsPoint(Point.read(arguments));
+	},
+
+	_containsPoint: function(point) {
+		var x = point.x,
+			y = point.y;
+		return x >= this.x && y >= this.y
+				&& x <= this.x + this.width
+				&& y <= this.y + this.height;
+	},
+
+	_containsRectangle: function(rect) {
+		var x = rect.x,
+			y = rect.y;
+		return x >= this.x && y >= this.y
+				&& x + rect.width <= this.x + this.width
+				&& y + rect.height <= this.y + this.height;
+	},
+
+	intersects: function() {
+		var rect = Rectangle.read(arguments);
+		return rect.x + rect.width > this.x
+				&& rect.y + rect.height > this.y
+				&& rect.x < this.x + this.width
+				&& rect.y < this.y + this.height;
+	},
+
+	touches: function() {
+		var rect = Rectangle.read(arguments);
+		return rect.x + rect.width >= this.x
+				&& rect.y + rect.height >= this.y
+				&& rect.x <= this.x + this.width
+				&& rect.y <= this.y + this.height;
+	},
+
+	intersect: function() {
+		var rect = Rectangle.read(arguments),
+			x1 = Math.max(this.x, rect.x),
+			y1 = Math.max(this.y, rect.y),
+			x2 = Math.min(this.x + this.width, rect.x + rect.width),
+			y2 = Math.min(this.y + this.height, rect.y + rect.height);
+		return new Rectangle(x1, y1, x2 - x1, y2 - y1);
+	},
+
+	unite: function() {
+		var rect = Rectangle.read(arguments),
+			x1 = Math.min(this.x, rect.x),
+			y1 = Math.min(this.y, rect.y),
+			x2 = Math.max(this.x + this.width, rect.x + rect.width),
+			y2 = Math.max(this.y + this.height, rect.y + rect.height);
+		return new Rectangle(x1, y1, x2 - x1, y2 - y1);
+	},
+
+	include: function() {
+		var point = Point.read(arguments);
+		var x1 = Math.min(this.x, point.x),
+			y1 = Math.min(this.y, point.y),
+			x2 = Math.max(this.x + this.width, point.x),
+			y2 = Math.max(this.y + this.height, point.y);
+		return new Rectangle(x1, y1, x2 - x1, y2 - y1);
+	},
+
+	expand: function() {
+		var amount = Size.read(arguments),
+			hor = amount.width,
+			ver = amount.height;
+		return new Rectangle(this.x - hor / 2, this.y - ver / 2,
+				this.width + hor, this.height + ver);
+	},
+
+	scale: function(hor, ver) {
+		return this.expand(this.width * hor - this.width,
+				this.height * (ver === undefined ? hor : ver) - this.height);
+	}
+}, new function() {
+	return Base.each([
+			['Top', 'Left'], ['Top', 'Right'],
+			['Bottom', 'Left'], ['Bottom', 'Right'],
+			['Left', 'Center'], ['Top', 'Center'],
+			['Right', 'Center'], ['Bottom', 'Center']
+		],
+		function(parts, index) {
+			var part = parts.join('');
+			var xFirst = /^[RL]/.test(part);
+			if (index >= 4)
+				parts[1] += xFirst ? 'Y' : 'X';
+			var x = parts[xFirst ? 0 : 1],
+				y = parts[xFirst ? 1 : 0],
+				getX = 'get' + x,
+				getY = 'get' + y,
+				setX = 'set' + x,
+				setY = 'set' + y,
+				get = 'get' + part,
+				set = 'set' + part;
+			this[get] = function(_dontLink) {
+				var ctor = _dontLink ? Point : LinkedPoint;
+				return new ctor(this[getX](), this[getY](), this, set);
+			};
+			this[set] = function() {
+				var point = Point.read(arguments);
+				this[setX](point.x);
+				this[setY](point.y);
+			};
+		}, {
+			beans: true
+		});
+});
+
+var LinkedRectangle = Rectangle.extend({
+	initialize: function Rectangle(x, y, width, height, owner, setter) {
+		this.set(x, y, width, height, true);
+		this._owner = owner;
+		this._setter = setter;
+	},
+
+	set: function(x, y, width, height, _dontNotify) {
+		this._x = x;
+		this._y = y;
+		this._width = width;
+		this._height = height;
+		if (!_dontNotify)
+			this._owner[this._setter](this);
+		return this;
+	}
+}, new function() {
+	var proto = Rectangle.prototype;
+
+	return Base.each(['x', 'y', 'width', 'height'], function(key) {
+		var part = Base.capitalize(key);
+		var internal = '_' + key;
+		this['get' + part] = function() {
+			return this[internal];
+		};
+
+		this['set' + part] = function(value) {
+			this[internal] = value;
+			if (!this._dontNotify)
+				this._owner[this._setter](this);
+		};
+	}, Base.each(['Point', 'Size', 'Center',
+			'Left', 'Top', 'Right', 'Bottom', 'CenterX', 'CenterY',
+			'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',
+			'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'],
+		function(key) {
+			var name = 'set' + key;
+			this[name] = function() {
+				this._dontNotify = true;
+				proto[name].apply(this, arguments);
+				this._dontNotify = false;
+				this._owner[this._setter](this);
+			};
+		}, {
+			isSelected: function() {
+				return this._owner._boundsSelected;
+			},
+
+			setSelected: function(selected) {
+				var owner = this._owner;
+				if (owner.setSelected) {
+					owner._boundsSelected = selected;
+					owner.setSelected(selected || owner._selectedSegmentState > 0);
+				}
+			}
+		})
+	);
+});
+
+var Matrix = Base.extend({
+	_class: 'Matrix',
+
+	initialize: function Matrix(arg) {
+		var count = arguments.length,
+			ok = true;
+		if (count === 6) {
+			this.set.apply(this, arguments);
+		} else if (count === 1) {
+			if (arg instanceof Matrix) {
+				this.set(arg._a, arg._c, arg._b, arg._d, arg._tx, arg._ty);
+			} else if (Array.isArray(arg)) {
+				this.set.apply(this, arg);
+			} else {
+				ok = false;
+			}
+		} else if (count === 0) {
+			this.reset();
+		} else {
+			ok = false;
+		}
+		if (!ok)
+			throw new Error('Unsupported matrix parameters');
+	},
+
+	set: function(a, c, b, d, tx, ty, _dontNotify) {
+		this._a = a;
+		this._c = c;
+		this._b = b;
+		this._d = d;
+		this._tx = tx;
+		this._ty = ty;
+		if (!_dontNotify)
+			this._changed();
+		return this;
+	},
+
+	_serialize: function(options) {
+		return Base.serialize(this.getValues(), options);
+	},
+
+	_changed: function() {
+		var owner = this._owner;
+		if (owner) {
+			if (owner._applyMatrix) {
+				owner.transform(null, true);
+			} else {
+				owner._changed(9);
+			}
+		}
+	},
+
+	clone: function() {
+		return new Matrix(this._a, this._c, this._b, this._d,
+				this._tx, this._ty);
+	},
+
+	equals: function(mx) {
+		return mx === this || mx && this._a === mx._a && this._b === mx._b
+				&& this._c === mx._c && this._d === mx._d
+				&& this._tx === mx._tx && this._ty === mx._ty
+				|| false;
+	},
+
+	toString: function() {
+		var f = Formatter.instance;
+		return '[[' + [f.number(this._a), f.number(this._b),
+					f.number(this._tx)].join(', ') + '], ['
+				+ [f.number(this._c), f.number(this._d),
+					f.number(this._ty)].join(', ') + ']]';
+	},
+
+	reset: function(_dontNotify) {
+		this._a = this._d = 1;
+		this._c = this._b = this._tx = this._ty = 0;
+		if (!_dontNotify)
+			this._changed();
+		return this;
+	},
+
+	apply: function() {
+		var owner = this._owner;
+		if (owner) {
+			owner.transform(null, true);
+			return this.isIdentity();
+		}
+		return false;
+	},
+
+	translate: function() {
+		var point = Point.read(arguments),
+			x = point.x,
+			y = point.y;
+		this._tx += x * this._a + y * this._b;
+		this._ty += x * this._c + y * this._d;
+		this._changed();
+		return this;
+	},
+
+	scale: function() {
+		var scale = Point.read(arguments),
+			center = Point.read(arguments, 0, { readNull: true });
+		if (center)
+			this.translate(center);
+		this._a *= scale.x;
+		this._c *= scale.x;
+		this._b *= scale.y;
+		this._d *= scale.y;
+		if (center)
+			this.translate(center.negate());
+		this._changed();
+		return this;
+	},
+
+	rotate: function(angle ) {
+		angle *= Math.PI / 180;
+		var center = Point.read(arguments, 1),
+			x = center.x,
+			y = center.y,
+			cos = Math.cos(angle),
+			sin = Math.sin(angle),
+			tx = x - x * cos + y * sin,
+			ty = y - x * sin - y * cos,
+			a = this._a,
+			b = this._b,
+			c = this._c,
+			d = this._d;
+		this._a = cos * a + sin * b;
+		this._b = -sin * a + cos * b;
+		this._c = cos * c + sin * d;
+		this._d = -sin * c + cos * d;
+		this._tx += tx * a + ty * b;
+		this._ty += tx * c + ty * d;
+		this._changed();
+		return this;
+	},
+
+	shear: function() {
+		var shear = Point.read(arguments),
+			center = Point.read(arguments, 0, { readNull: true });
+		if (center)
+			this.translate(center);
+		var a = this._a,
+			c = this._c;
+		this._a += shear.y * this._b;
+		this._c += shear.y * this._d;
+		this._b += shear.x * a;
+		this._d += shear.x * c;
+		if (center)
+			this.translate(center.negate());
+		this._changed();
+		return this;
+	},
+
+	skew: function() {
+		var skew = Point.read(arguments),
+			center = Point.read(arguments, 0, { readNull: true }),
+			toRadians = Math.PI / 180,
+			shear = new Point(Math.tan(skew.x * toRadians),
+				Math.tan(skew.y * toRadians));
+		return this.shear(shear, center);
+	},
+
+	concatenate: function(mx) {
+		var a = this._a,
+			b = this._b,
+			c = this._c,
+			d = this._d;
+		this._a = mx._a * a + mx._c * b;
+		this._b = mx._b * a + mx._d * b;
+		this._c = mx._a * c + mx._c * d;
+		this._d = mx._b * c + mx._d * d;
+		this._tx += mx._tx * a + mx._ty * b;
+		this._ty += mx._tx * c + mx._ty * d;
+		this._changed();
+		return this;
+	},
+
+	preConcatenate: function(mx) {
+		var a = this._a,
+			b = this._b,
+			c = this._c,
+			d = this._d,
+			tx = this._tx,
+			ty = this._ty;
+		this._a = mx._a * a + mx._b * c;
+		this._b = mx._a * b + mx._b * d;
+		this._c = mx._c * a + mx._d * c;
+		this._d = mx._c * b + mx._d * d;
+		this._tx = mx._a * tx + mx._b * ty + mx._tx;
+		this._ty = mx._c * tx + mx._d * ty + mx._ty;
+		this._changed();
+		return this;
+	},
+
+	isIdentity: function() {
+		return this._a === 1 && this._c === 0 && this._b === 0 && this._d === 1
+				&& this._tx === 0 && this._ty === 0;
+	},
+
+	orNullIfIdentity: function() {
+		return this.isIdentity() ? null : this;
+	},
+
+	isInvertible: function() {
+		return !!this._getDeterminant();
+	},
+
+	isSingular: function() {
+		return !this._getDeterminant();
+	},
+
+	transform: function( src, srcOffset, dst, dstOffset, count) {
+		return arguments.length < 5
+			? this._transformPoint(Point.read(arguments))
+			: this._transformCoordinates(src, srcOffset, dst, dstOffset, count);
+	},
+
+	_transformPoint: function(point, dest, _dontNotify) {
+		var x = point.x,
+			y = point.y;
+		if (!dest)
+			dest = new Point();
+		return dest.set(
+			x * this._a + y * this._b + this._tx,
+			x * this._c + y * this._d + this._ty,
+			_dontNotify
+		);
+	},
+
+	_transformCoordinates: function(src, srcOffset, dst, dstOffset, count) {
+		var i = srcOffset,
+			j = dstOffset,
+			max = i + 2 * count;
+		while (i < max) {
+			var x = src[i++],
+				y = src[i++];
+			dst[j++] = x * this._a + y * this._b + this._tx;
+			dst[j++] = x * this._c + y * this._d + this._ty;
+		}
+		return dst;
+	},
+
+	_transformCorners: function(rect) {
+		var x1 = rect.x,
+			y1 = rect.y,
+			x2 = x1 + rect.width,
+			y2 = y1 + rect.height,
+			coords = [ x1, y1, x2, y1, x2, y2, x1, y2 ];
+		return this._transformCoordinates(coords, 0, coords, 0, 4);
+	},
+
+	_transformBounds: function(bounds, dest, _dontNotify) {
+		var coords = this._transformCorners(bounds),
+			min = coords.slice(0, 2),
+			max = coords.slice();
+		for (var i = 2; i < 8; i++) {
+			var val = coords[i],
+				j = i & 1;
+			if (val < min[j])
+				min[j] = val;
+			else if (val > max[j])
+				max[j] = val;
+		}
+		if (!dest)
+			dest = new Rectangle();
+		return dest.set(min[0], min[1], max[0] - min[0], max[1] - min[1],
+				_dontNotify);
+	},
+
+	inverseTransform: function() {
+		return this._inverseTransform(Point.read(arguments));
+	},
+
+	_getDeterminant: function() {
+		var det = this._a * this._d - this._b * this._c;
+		return isFinite(det) && !Numerical.isZero(det)
+				&& isFinite(this._tx) && isFinite(this._ty)
+				? det : null;
+	},
+
+	_inverseTransform: function(point, dest, _dontNotify) {
+		var det = this._getDeterminant();
+		if (!det)
+			return null;
+		var x = point.x - this._tx,
+			y = point.y - this._ty;
+		if (!dest)
+			dest = new Point();
+		return dest.set(
+			(x * this._d - y * this._b) / det,
+			(y * this._a - x * this._c) / det,
+			_dontNotify
+		);
+	},
+
+	decompose: function() {
+		var a = this._a, b = this._b, c = this._c, d = this._d;
+		if (Numerical.isZero(a * d - b * c))
+			return null;
+
+		var scaleX = Math.sqrt(a * a + b * b);
+		a /= scaleX;
+		b /= scaleX;
+
+		var shear = a * c + b * d;
+		c -= a * shear;
+		d -= b * shear;
+
+		var scaleY = Math.sqrt(c * c + d * d);
+		c /= scaleY;
+		d /= scaleY;
+		shear /= scaleY;
+
+		if (a * d < b * c) {
+			a = -a;
+			b = -b;
+			shear = -shear;
+			scaleX = -scaleX;
+		}
+
+		return {
+			scaling: new Point(scaleX, scaleY),
+			rotation: -Math.atan2(b, a) * 180 / Math.PI,
+			shearing: shear
+		};
+	},
+
+	getValues: function() {
+		return [ this._a, this._c, this._b, this._d, this._tx, this._ty ];
+	},
+
+	getTranslation: function() {
+		return new Point(this._tx, this._ty);
+	},
+
+	getScaling: function() {
+		return (this.decompose() || {}).scaling;
+	},
+
+	getRotation: function() {
+		return (this.decompose() || {}).rotation;
+	},
+
+	inverted: function() {
+		var det = this._getDeterminant();
+		return det && new Matrix(
+				this._d / det,
+				-this._c / det,
+				-this._b / det,
+				this._a / det,
+				(this._b * this._ty - this._d * this._tx) / det,
+				(this._c * this._tx - this._a * this._ty) / det);
+	},
+
+	shiftless: function() {
+		return new Matrix(this._a, this._c, this._b, this._d, 0, 0);
+	},
+
+	applyToContext: function(ctx) {
+		ctx.transform(this._a, this._c, this._b, this._d, this._tx, this._ty);
+	}
+}, Base.each(['a', 'c', 'b', 'd', 'tx', 'ty'], function(name) {
+	var part = Base.capitalize(name),
+		prop = '_' + name;
+	this['get' + part] = function() {
+		return this[prop];
+	};
+	this['set' + part] = function(value) {
+		this[prop] = value;
+		this._changed();
+	};
+}, {}));
+
+var Line = Base.extend({
+	_class: 'Line',
+
+	initialize: function Line(arg0, arg1, arg2, arg3, arg4) {
+		var asVector = false;
+		if (arguments.length >= 4) {
+			this._px = arg0;
+			this._py = arg1;
+			this._vx = arg2;
+			this._vy = arg3;
+			asVector = arg4;
+		} else {
+			this._px = arg0.x;
+			this._py = arg0.y;
+			this._vx = arg1.x;
+			this._vy = arg1.y;
+			asVector = arg2;
+		}
+		if (!asVector) {
+			this._vx -= this._px;
+			this._vy -= this._py;
+		}
+	},
+
+	getPoint: function() {
+		return new Point(this._px, this._py);
+	},
+
+	getVector: function() {
+		return new Point(this._vx, this._vy);
+	},
+
+	getLength: function() {
+		return this.getVector().getLength();
+	},
+
+	intersect: function(line, isInfinite) {
+		return Line.intersect(
+				this._px, this._py, this._vx, this._vy,
+				line._px, line._py, line._vx, line._vy,
+				true, isInfinite);
+	},
+
+	getSide: function(point) {
+		return Line.getSide(
+				this._px, this._py, this._vx, this._vy,
+				point.x, point.y, true);
+	},
+
+	getDistance: function(point) {
+		return Math.abs(Line.getSignedDistance(
+				this._px, this._py, this._vx, this._vy,
+				point.x, point.y, true));
+	},
+
+	statics: {
+		intersect: function(apx, apy, avx, avy, bpx, bpy, bvx, bvy, asVector,
+				isInfinite) {
+			if (!asVector) {
+				avx -= apx;
+				avy -= apy;
+				bvx -= bpx;
+				bvy -= bpy;
+			}
+			var cross = bvy * avx - bvx * avy;
+			if (!Numerical.isZero(cross)) {
+				var dx = apx - bpx,
+					dy = apy - bpy,
+					ta = (bvx * dy - bvy * dx) / cross,
+					tb = (avx * dy - avy * dx) / cross;
+				if ((isInfinite || 0 <= ta && ta <= 1)
+						&& (isInfinite || 0 <= tb && tb <= 1))
+					return new Point(
+								apx + ta * avx,
+								apy + ta * avy);
+			}
+		},
+
+		getSide: function(px, py, vx, vy, x, y, asVector) {
+			if (!asVector) {
+				vx -= px;
+				vy -= py;
+			}
+			var v2x = x - px,
+				v2y = y - py,
+				ccw = v2x * vy - v2y * vx; 
+			if (ccw === 0) {
+				ccw = v2x * vx + v2y * vy; 
+				if (ccw > 0) {
+					v2x -= vx;
+					v2y -= vy;
+					ccw = v2x * vx + v2y * vy;
+					if (ccw < 0)
+						ccw = 0;
+				}
+			}
+			return ccw < 0 ? -1 : ccw > 0 ? 1 : 0;
+		},
+
+		getSignedDistance: function(px, py, vx, vy, x, y, asVector) {
+			if (!asVector) {
+				vx -= px;
+				vy -= py;
+			}
+			var m = vy / vx, 
+				b = py - m * px; 
+			return (y - (m * x) - b) / Math.sqrt(m * m + 1);
+		}
+	}
+});
+
+var Project = PaperScopeItem.extend({
+	_class: 'Project',
+	_list: 'projects',
+	_reference: 'project',
+
+	initialize: function Project(element) {
+		PaperScopeItem.call(this, true);
+		this.layers = [];
+		this.symbols = [];
+		this._currentStyle = new Style(null, null, this);
+		this.activeLayer = new Layer();
+		this._view = View.create(this,
+				element || CanvasProvider.getCanvas(1, 1));
+		this._selectedItems = {};
+		this._selectedItemCount = 0;
+		this._updateVersion = 0;
+	},
+
+	_serialize: function(options, dictionary) {
+		return Base.serialize(this.layers, options, true, dictionary);
+	},
+
+	clear: function() {
+		for (var i = this.layers.length - 1; i >= 0; i--)
+			this.layers[i].remove();
+		this.symbols = [];
+	},
+
+	isEmpty: function() {
+		return this.layers.length <= 1
+			&& (!this.activeLayer || this.activeLayer.isEmpty());
+	},
+
+	remove: function remove() {
+		if (!remove.base.call(this))
+			return false;
+		if (this._view)
+			this._view.remove();
+		return true;
+	},
+
+	getView: function() {
+		return this._view;
+	},
+
+	getCurrentStyle: function() {
+		return this._currentStyle;
+	},
+
+	setCurrentStyle: function(style) {
+		this._currentStyle.initialize(style);
+	},
+
+	getIndex: function() {
+		return this._index;
+	},
+
+	addChild: function(child) {
+		if (child instanceof Layer) {
+			Base.splice(this.layers, [child]);
+			if (!this.activeLayer)
+				this.activeLayer = child;
+		} else if (child instanceof Item) {
+			(this.activeLayer
+				|| this.addChild(new Layer(Item.NO_INSERT))).addChild(child);
+		} else {
+			child = null;
+		}
+		return child;
+	},
+
+	getSelectedItems: function() {
+		var items = [];
+		for (var id in this._selectedItems) {
+			var item = this._selectedItems[id];
+			if (item.isInserted())
+				items.push(item);
+		}
+		return items;
+	},
+
+	getOptions: function() {
+		return this._scope.settings;
+	},
+
+	_updateSelection: function(item) {
+		var id = item._id,
+			selectedItems = this._selectedItems;
+		if (item._selected) {
+			if (selectedItems[id] !== item) {
+				this._selectedItemCount++;
+				selectedItems[id] = item;
+			}
+		} else if (selectedItems[id] === item) {
+			this._selectedItemCount--;
+			delete selectedItems[id];
+		}
+	},
+
+	selectAll: function() {
+		var layers = this.layers;
+		for (var i = 0, l = layers.length; i < l; i++)
+			layers[i].setFullySelected(true);
+	},
+
+	deselectAll: function() {
+		var selectedItems = this._selectedItems;
+		for (var i in selectedItems)
+			selectedItems[i].setFullySelected(false);
+	},
+
+	hitTest: function() {
+		var point = Point.read(arguments),
+			options = HitResult.getOptions(Base.read(arguments));
+		for (var i = this.layers.length - 1; i >= 0; i--) {
+			var res = this.layers[i].hitTest(point, options);
+			if (res) return res;
+		}
+		return null;
+	},
+
+	getItems: function(match) {
+		return Item._getItems(this.layers, match, true);
+	},
+
+	getItem: function(match) {
+		return Item._getItems(this.layers, match, false);
+	},
+
+	importJSON: function(json) {
+		this.activate();
+		var layer = this.activeLayer;
+		return Base.importJSON(json, layer && layer.isEmpty() && layer);
+	},
+
+	draw: function(ctx, matrix, pixelRatio) {
+		this._updateVersion++;
+		ctx.save();
+		matrix.applyToContext(ctx);
+		var param = new Base({
+			offset: new Point(0, 0),
+			pixelRatio: pixelRatio,
+			trackTransforms: true,
+			transforms: [matrix]
+		});
+		for (var i = 0, l = this.layers.length; i < l; i++)
+			this.layers[i].draw(ctx, param);
+		ctx.restore();
+
+		if (this._selectedItemCount > 0) {
+			ctx.save();
+			ctx.strokeWidth = 1;
+			for (var id in this._selectedItems) {
+				var item = this._selectedItems[id],
+					globalMatrix = item._globalMatrix,
+					size = this._scope.settings.handleSize,
+					half = size / 2;
+				if (item._updateVersion === this._updateVersion
+						&& (item._drawSelected || item._boundsSelected)
+						&& globalMatrix) {
+					var color = item.getSelectedColor()
+							|| item.getLayer().getSelectedColor();
+					ctx.strokeStyle = ctx.fillStyle = color
+							? color.toCanvasStyle(ctx) : '#009dec';
+					if (item._drawSelected)
+						item._drawSelected(ctx, globalMatrix);
+					if (item._boundsSelected) {
+						var coords = globalMatrix._transformCorners(
+								item.getInternalBounds());
+						ctx.beginPath();
+						for (var i = 0; i < 8; i++)
+							ctx[i === 0 ? 'moveTo' : 'lineTo'](
+									coords[i], coords[++i]);
+						ctx.closePath();
+						ctx.stroke();
+						for (var i = 0; i < 8; i++)
+							ctx.fillRect(coords[i] - half, coords[++i] - half,
+									size, size);
+					}
+				}
+			}
+			ctx.restore();
+		}
+	}
+});
+
+var Symbol = Base.extend({
+	_class: 'Symbol',
+
+	initialize: function Symbol(item, dontCenter) {
+		this._id = Symbol._id = (Symbol._id || 0) + 1;
+		this.project = paper.project;
+		this.project.symbols.push(this);
+		if (item)
+			this.setDefinition(item, dontCenter);
+	},
+
+	_serialize: function(options, dictionary) {
+		return dictionary.add(this, function() {
+			return Base.serialize([this._class, this._definition],
+					options, false, dictionary);
+		});
+	},
+
+	_changed: function(flags) {
+		if (flags & 8) {
+			Item._clearBoundsCache(this);
+		}
+		if (flags & 1) {
+			this.project._needsUpdate = true;
+		}
+	},
+
+	getDefinition: function() {
+		return this._definition;
+	},
+
+	setDefinition: function(item, _dontCenter) {
+		if (item._parentSymbol)
+			item = item.clone();
+		if (this._definition)
+			this._definition._parentSymbol = null;
+		this._definition = item;
+		item.remove();
+		item.setSelected(false);
+		if (!_dontCenter)
+			item.setPosition(new Point());
+		item._parentSymbol = this;
+		this._changed(9);
+	},
+
+	place: function(position) {
+		return new PlacedSymbol(this, position);
+	},
+
+	clone: function() {
+		return new Symbol(this._definition.clone(false));
+	}
+});
+
+var Item = Base.extend(Callback, {
+	statics: {
+		extend: function extend(src) {
+			if (src._serializeFields)
+				src._serializeFields = new Base(
+						this.prototype._serializeFields, src._serializeFields);
+			return extend.base.apply(this, arguments);
+		},
+
+		NO_INSERT: { insert: false }
+	},
+
+	_class: 'Item',
+	_applyMatrix: true,
+	_canApplyMatrix: true,
+	_boundsSelected: false,
+	_selectChildren: false,
+	_serializeFields: {
+		name: null,
+		matrix: new Matrix(),
+		pivot: null,
+		locked: false,
+		visible: true,
+		blendMode: 'normal',
+		opacity: 1,
+		guide: false,
+		selected: false,
+		clipMask: false,
+		applyMatrix: null,
+		data: {}
+	},
+
+	initialize: function Item() {
+	},
+
+	_initialize: function(props, point) {
+		var internal = props && props.internal === true,
+			matrix = this._matrix = new Matrix(),
+			project = paper.project;
+		if (!internal)
+			this._id = Item._id = (Item._id || 0) + 1;
+		this._applyMatrix = this._canApplyMatrix && paper.settings.applyMatrix;
+		if (point)
+			matrix.translate(point);
+		matrix._owner = this;
+		this._style = new Style(project._currentStyle, this, project);
+		if (!this._project) {
+			if (internal || props && props.insert === false) {
+				this._setProject(project);
+			} else {
+				(project.activeLayer || new Layer()).addChild(this);
+			}
+		}
+		return props && props !== Item.NO_INSERT
+				? this._set(props, { insert: true }) 
+				: true;
+	},
+
+	_events: new function() {
+
+		var mouseFlags = {
+			mousedown: {
+				mousedown: 1,
+				mousedrag: 1,
+				click: 1,
+				doubleclick: 1
+			},
+			mouseup: {
+				mouseup: 1,
+				mousedrag: 1,
+				click: 1,
+				doubleclick: 1
+			},
+			mousemove: {
+				mousedrag: 1,
+				mousemove: 1,
+				mouseenter: 1,
+				mouseleave: 1
+			}
+		};
+
+		var mouseEvent = {
+			install: function(type) {
+				var counters = this.getView()._eventCounters;
+				if (counters) {
+					for (var key in mouseFlags) {
+						counters[key] = (counters[key] || 0)
+								+ (mouseFlags[key][type] || 0);
+					}
+				}
+			},
+			uninstall: function(type) {
+				var counters = this.getView()._eventCounters;
+				if (counters) {
+					for (var key in mouseFlags)
+						counters[key] -= mouseFlags[key][type] || 0;
+				}
+			}
+		};
+
+		return Base.each(['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onClick',
+			'onDoubleClick', 'onMouseMove', 'onMouseEnter', 'onMouseLeave'],
+			function(name) {
+				this[name] = mouseEvent;
+			}, {
+				onFrame: {
+					install: function() {
+						this._animateItem(true);
+					},
+					uninstall: function() {
+						this._animateItem(false);
+					}
+				},
+
+				onLoad: {}
+			}
+		);
+	},
+
+	_animateItem: function(animate) {
+		this.getView()._animateItem(this, animate);
+	},
+
+	_serialize: function(options, dictionary) {
+		var props = {},
+			that = this;
+
+		function serialize(fields) {
+			for (var key in fields) {
+				var value = that[key];
+				if (!Base.equals(value, key === 'leading'
+						? fields.fontSize * 1.2 : fields[key])) {
+					props[key] = Base.serialize(value, options,
+							key !== 'data', dictionary);
+				}
+			}
+		}
+
+		serialize(this._serializeFields);
+		if (!(this instanceof Group))
+			serialize(this._style._defaults);
+		return [ this._class, props ];
+	},
+
+	_changed: function(flags) {
+		var symbol = this._parentSymbol,
+			cacheParent = this._parent || symbol,
+			project = this._project;
+		if (flags & 8) {
+			this._bounds = this._position = this._decomposed =
+					this._globalMatrix = this._currentPath = undefined;
+		}
+		if (cacheParent && (flags
+				& (8 | 32))) {
+			Item._clearBoundsCache(cacheParent);
+		}
+		if (flags & 2) {
+			Item._clearBoundsCache(this);
+		}
+		if (project) {
+			if (flags & 1) {
+				project._needsUpdate = true;
+			}
+			if (project._changes) {
+				var entry = project._changesById[this._id];
+				if (entry) {
+					entry.flags |= flags;
+				} else {
+					entry = { item: this, flags: flags };
+					project._changesById[this._id] = entry;
+					project._changes.push(entry);
+				}
+			}
+		}
+		if (symbol)
+			symbol._changed(flags);
+	},
+
+	set: function(props) {
+		if (props)
+			this._set(props, { insert: true });
+		return this;
+	},
+
+	getId: function() {
+		return this._id;
+	},
+
+	getClassName: function() {
+		return this._class;
+	},
+
+	getName: function() {
+		return this._name;
+	},
+
+	setName: function(name, unique) {
+
+		if (this._name)
+			this._removeNamed();
+		if (name === (+name) + '')
+			throw new Error(
+					'Names consisting only of numbers are not supported.');
+		if (name && this._parent) {
+			var children = this._parent._children,
+				namedChildren = this._parent._namedChildren,
+				orig = name,
+				i = 1;
+			while (unique && children[name])
+				name = orig + ' ' + (i++);
+			(namedChildren[name] = namedChildren[name] || []).push(this);
+			children[name] = this;
+		}
+		this._name = name || undefined;
+		this._changed(128);
+	},
+
+	getStyle: function() {
+		return this._style;
+	},
+
+	setStyle: function(style) {
+		this.getStyle().set(style);
+	},
+
+	hasFill: function() {
+		return this.getStyle().hasFill();
+	},
+
+	hasStroke: function() {
+		return this.getStyle().hasStroke();
+	},
+
+	hasShadow: function() {
+		return this.getStyle().hasShadow();
+	}
+}, Base.each(['locked', 'visible', 'blendMode', 'opacity', 'guide'],
+	function(name) {
+		var part = Base.capitalize(name),
+			name = '_' + name;
+		this['get' + part] = function() {
+			return this[name];
+		};
+		this['set' + part] = function(value) {
+			if (value != this[name]) {
+				this[name] = value;
+				this._changed(name === '_locked'
+						? 128 : 129);
+			}
+		};
+}, {}), {
+	beans: true,
+
+	_locked: false,
+
+	_visible: true,
+
+	_blendMode: 'normal',
+
+	_opacity: 1,
+
+	_guide: false,
+
+	isSelected: function() {
+		if (this._selectChildren) {
+			for (var i = 0, l = this._children.length; i < l; i++)
+				if (this._children[i].isSelected())
+					return true;
+		}
+		return this._selected;
+	},
+
+	setSelected: function(selected, noChildren) {
+		if (!noChildren && this._selectChildren) {
+			for (var i = 0, l = this._children.length; i < l; i++)
+				this._children[i].setSelected(selected);
+		}
+		if ((selected = !!selected) ^ this._selected) {
+			this._selected = selected;
+			this._project._updateSelection(this);
+			this._changed(129);
+		}
+	},
+
+	_selected: false,
+
+	isFullySelected: function() {
+		if (this._children && this._selected) {
+			for (var i = 0, l = this._children.length; i < l; i++)
+				if (!this._children[i].isFullySelected())
+					return false;
+			return true;
+		}
+		return this._selected;
+	},
+
+	setFullySelected: function(selected) {
+		if (this._children) {
+			for (var i = 0, l = this._children.length; i < l; i++)
+				this._children[i].setFullySelected(selected);
+		}
+		this.setSelected(selected, true);
+	},
+
+	isClipMask: function() {
+		return this._clipMask;
+	},
+
+	setClipMask: function(clipMask) {
+		if (this._clipMask != (clipMask = !!clipMask)) {
+			this._clipMask = clipMask;
+			if (clipMask) {
+				this.setFillColor(null);
+				this.setStrokeColor(null);
+			}
+			this._changed(129);
+			if (this._parent)
+				this._parent._changed(1024);
+		}
+	},
+
+	_clipMask: false,
+
+	getData: function() {
+		if (!this._data)
+			this._data = {};
+		return this._data;
+	},
+
+	setData: function(data) {
+		this._data = data;
+	},
+
+	getPosition: function(_dontLink) {
+		var position = this._position,
+			ctor = _dontLink ? Point : LinkedPoint;
+		if (!position) {
+			var pivot = this._pivot;
+			position = this._position = pivot
+					? this._matrix._transformPoint(pivot)
+					: this.getBounds().getCenter(true);
+		}
+		return new ctor(position.x, position.y, this, 'setPosition');
+	},
+
+	setPosition: function() {
+		this.translate(Point.read(arguments).subtract(this.getPosition(true)));
+	},
+
+	getPivot: function(_dontLink) {
+		var pivot = this._pivot;
+		if (pivot) {
+			var ctor = _dontLink ? Point : LinkedPoint;
+			pivot = new ctor(pivot.x, pivot.y, this, 'setAnchor');
+		}
+		return pivot;
+	},
+
+	setPivot: function() {
+		this._pivot = Point.read(arguments);
+		this._position = undefined;
+	},
+
+	_pivot: null,
+
+	getRegistration: '#getPivot',
+	setRegistration: '#setPivot'
+}, Base.each(['bounds', 'strokeBounds', 'handleBounds', 'roughBounds',
+		'internalBounds', 'internalRoughBounds'],
+	function(key) {
+		var getter = 'get' + Base.capitalize(key),
+			match = key.match(/^internal(.*)$/),
+			internalGetter = match ? 'get' + match[1] : null;
+		this[getter] = function(_matrix) {
+			var boundsGetter = this._boundsGetter,
+				name = !internalGetter && (typeof boundsGetter === 'string'
+						? boundsGetter : boundsGetter && boundsGetter[getter])
+						|| getter,
+				bounds = this._getCachedBounds(name, _matrix, null,
+						internalGetter);
+			return key === 'bounds'
+					? new LinkedRectangle(bounds.x, bounds.y, bounds.width,
+							bounds.height, this, 'setBounds')
+					: bounds;
+		};
+	},
+{
+	beans: true,
+
+	_getBounds: function(getter, matrix, cacheItem) {
+		var children = this._children;
+		if (!children || children.length == 0)
+			return new Rectangle();
+		var x1 = Infinity,
+			x2 = -x1,
+			y1 = x1,
+			y2 = x2;
+		for (var i = 0, l = children.length; i < l; i++) {
+			var child = children[i];
+			if (child._visible && !child.isEmpty()) {
+				var rect = child._getCachedBounds(getter, matrix, cacheItem);
+				x1 = Math.min(rect.x, x1);
+				y1 = Math.min(rect.y, y1);
+				x2 = Math.max(rect.x + rect.width, x2);
+				y2 = Math.max(rect.y + rect.height, y2);
+			}
+		}
+		return isFinite(x1)
+				? new Rectangle(x1, y1, x2 - x1, y2 - y1)
+				: new Rectangle();
+	},
+
+	setBounds: function() {
+		var rect = Rectangle.read(arguments),
+			bounds = this.getBounds(),
+			matrix = new Matrix(),
+			center = rect.getCenter();
+		matrix.translate(center);
+		if (rect.width != bounds.width || rect.height != bounds.height) {
+			matrix.scale(
+					bounds.width != 0 ? rect.width / bounds.width : 1,
+					bounds.height != 0 ? rect.height / bounds.height : 1);
+		}
+		center = bounds.getCenter();
+		matrix.translate(-center.x, -center.y);
+		this.transform(matrix);
+	},
+
+	_getCachedBounds: function(getter, matrix, cacheItem, internalGetter) {
+		matrix = matrix && matrix.orNullIfIdentity();
+		var _matrix = internalGetter ? null : this._matrix.orNullIfIdentity(),
+			cache = (!matrix || matrix.equals(_matrix)) && getter;
+		var cacheParent = this._parent || this._parentSymbol;
+		if (cacheItem && cacheParent) {
+			var id = cacheItem._id,
+				ref = cacheParent._boundsCache = cacheParent._boundsCache || {
+					ids: {},
+					list: []
+				};
+			if (!ref.ids[id]) {
+				ref.list.push(cacheItem);
+				ref.ids[id] = cacheItem;
+			}
+		}
+		if (cache && this._bounds && this._bounds[cache])
+			return this._bounds[cache].clone();
+		matrix = !matrix
+				? _matrix
+				: _matrix
+					? matrix.clone().concatenate(_matrix)
+					: matrix;
+		var bounds = this._getBounds(internalGetter || getter, matrix,
+				cache ? this : cacheItem);
+		if (cache) {
+			if (!this._bounds)
+				this._bounds = {};
+			var cached = this._bounds[cache] = bounds.clone();
+			cached._internal = !!internalGetter;
+		}
+		return bounds;
+	},
+
+	statics: {
+		_clearBoundsCache: function(item) {
+			if (item._boundsCache) {
+				for (var i = 0, list = item._boundsCache.list, l = list.length;
+						i < l; i++) {
+					var child = list[i];
+					child._bounds = child._position = undefined;
+					if (child !== item && child._boundsCache)
+						Item._clearBoundsCache(child);
+				}
+				item._boundsCache = undefined;
+			}
+		}
+	}
+
+}), {
+	beans: true,
+
+	_decompose: function() {
+		return this._decomposed = this._matrix.decompose();
+	},
+
+	getRotation: function() {
+		var decomposed = this._decomposed || this._decompose();
+		return decomposed && decomposed.rotation;
+	},
+
+	setRotation: function(rotation) {
+		var current = this.getRotation();
+		if (current != null && rotation != null) {
+			var decomposed = this._decomposed;
+			this.rotate(rotation - current);
+			decomposed.rotation = rotation;
+			this._decomposed = decomposed;
+		}
+	},
+
+	getScaling: function() {
+		var decomposed = this._decomposed || this._decompose();
+		return decomposed && decomposed.scaling;
+	},
+
+	setScaling: function() {
+		var current = this.getScaling();
+		if (current != null) {
+			var scaling = Point.read(arguments, 0, { clone: true }),
+				decomposed = this._decomposed;
+			this.scale(scaling.x / current.x, scaling.y / current.y);
+			decomposed.scaling = scaling;
+			this._decomposed = decomposed;
+		}
+	},
+
+	getMatrix: function() {
+		return this._matrix;
+	},
+
+	setMatrix: function(matrix) {
+		this._matrix.initialize(matrix);
+		if (this._applyMatrix) {
+			this.transform(null, true);
+		} else {
+			this._changed(9);
+		}
+	},
+
+	getGlobalMatrix: function(_internal) {
+		var matrix = this._globalMatrix,
+			updateVersion = this._project._updateVersion,
+			viewMatrix = this.getView()._matrix;
+		if (matrix && matrix._updateVersion !== updateVersion)
+			matrix = null;
+		if (!matrix) {
+			matrix = this._globalMatrix = this._matrix.clone();
+			matrix.preConcatenate(this._parent
+					? this._parent.getGlobalMatrix(true)
+					: viewMatrix);
+			matrix._updateVersion = updateVersion;
+		}
+		return _internal ? matrix : viewMatrix.inverted().concatenate(matrix);
+	},
+
+	getApplyMatrix: function() {
+		return this._applyMatrix;
+	},
+
+	setApplyMatrix: function(transform) {
+		if (this._applyMatrix = this._canApplyMatrix && !!transform)
+			this.transform(null, true);
+	},
+
+	getTransformContent: '#getApplyMatrix',
+	setTransformContent: '#setApplyMatrix',
+}, {
+	getProject: function() {
+		return this._project;
+	},
+
+	_setProject: function(project, installEvents) {
+		if (this._project !== project) {
+			if (this._project)
+				this._installEvents(false);
+			this._project = project;
+			var children = this._children;
+			for (var i = 0, l = children && children.length; i < l; i++)
+				children[i]._setProject(project);
+			installEvents = true;
+		}
+		if (installEvents)
+			this._installEvents(true);
+	},
+
+	getView: function() {
+		return this._project.getView();
+	},
+
+	_installEvents: function _installEvents(install) {
+		_installEvents.base.call(this, install);
+		var children = this._children;
+		for (var i = 0, l = children && children.length; i < l; i++)
+			children[i]._installEvents(install);
+	},
+
+	getLayer: function() {
+		var parent = this;
+		while (parent = parent._parent) {
+			if (parent instanceof Layer)
+				return parent;
+		}
+		return null;
+	},
+
+	getParent: function() {
+		return this._parent;
+	},
+
+	setParent: function(item) {
+		return item.addChild(this);
+	},
+
+	getChildren: function() {
+		return this._children;
+	},
+
+	setChildren: function(items) {
+		this.removeChildren();
+		this.addChildren(items);
+	},
+
+	getFirstChild: function() {
+		return this._children && this._children[0] || null;
+	},
+
+	getLastChild: function() {
+		return this._children && this._children[this._children.length - 1]
+				|| null;
+	},
+
+	getNextSibling: function() {
+		return this._parent && this._parent._children[this._index + 1] || null;
+	},
+
+	getPreviousSibling: function() {
+		return this._parent && this._parent._children[this._index - 1] || null;
+	},
+
+	getIndex: function() {
+		return this._index;
+	},
+
+	isInserted: function() {
+		return this._parent ? this._parent.isInserted() : false;
+	},
+
+	equals: function(item) {
+		return item === this || item && this._class === item._class
+				&& this._style.equals(item._style)
+				&& this._matrix.equals(item._matrix)
+				&& this._locked === item._locked
+				&& this._visible === item._visible
+				&& this._blendMode === item._blendMode
+				&& this._opacity === item._opacity
+				&& this._clipMask === item._clipMask
+				&& this._guide === item._guide
+				&& this._equals(item)
+				|| false;
+	},
+
+	_equals: function(item) {
+		return Base.equals(this._children, item._children);
+	},
+
+	clone: function(insert) {
+		return this._clone(new this.constructor(Item.NO_INSERT), insert);
+	},
+
+	_clone: function(copy, insert) {
+		copy.setStyle(this._style);
+		if (this._children) {
+			for (var i = 0, l = this._children.length; i < l; i++)
+				copy.addChild(this._children[i].clone(false), true);
+		}
+		if (insert || insert === undefined)
+			copy.insertAbove(this);
+		var keys = ['_locked', '_visible', '_blendMode', '_opacity',
+				'_clipMask', '_guide', '_applyMatrix'];
+		for (var i = 0, l = keys.length; i < l; i++) {
+			var key = keys[i];
+			if (this.hasOwnProperty(key))
+				copy[key] = this[key];
+		}
+		copy._matrix.initialize(this._matrix);
+		copy._data = this._data ? Base.clone(this._data) : null;
+		copy.setSelected(this._selected);
+		if (this._name)
+			copy.setName(this._name, true);
+		return copy;
+	},
+
+	copyTo: function(itemOrProject) {
+		return itemOrProject.addChild(this.clone(false));
+	},
+
+	rasterize: function(resolution) {
+		var bounds = this.getStrokeBounds(),
+			scale = (resolution || this.getView().getResolution()) / 72,
+			topLeft = bounds.getTopLeft().floor(),
+			bottomRight = bounds.getBottomRight().ceil(),
+			size = new Size(bottomRight.subtract(topLeft)),
+			canvas = CanvasProvider.getCanvas(size.multiply(scale)),
+			ctx = canvas.getContext('2d'),
+			matrix = new Matrix().scale(scale).translate(topLeft.negate());
+		ctx.save();
+		matrix.applyToContext(ctx);
+		this.draw(ctx, new Base({ transforms: [matrix] }));
+		ctx.restore();
+		var raster = new Raster(Item.NO_INSERT);
+		raster.setCanvas(canvas);
+		raster.transform(new Matrix().translate(topLeft.add(size.divide(2)))
+				.scale(1 / scale));
+		raster.insertAbove(this);
+		return raster;
+	},
+
+	contains: function() {
+		return !!this._contains(
+				this._matrix._inverseTransform(Point.read(arguments)));
+	},
+
+	_contains: function(point) {
+		if (this._children) {
+			for (var i = this._children.length - 1; i >= 0; i--) {
+				if (this._children[i].contains(point))
+					return true;
+			}
+			return false;
+		}
+		return point.isInside(this.getInternalBounds());
+	},
+
+	hitTest: function(point, options) {
+		point = Point.read(arguments);
+		options = HitResult.getOptions(Base.read(arguments));
+		if (this._locked || !this._visible || this._guide && !options.guides
+				|| this.isEmpty())
+			return null;
+
+		var matrix = this._matrix,
+			parentTotalMatrix = options._totalMatrix,
+			view = this.getView(),
+			totalMatrix = options._totalMatrix = parentTotalMatrix
+					? parentTotalMatrix.clone().concatenate(matrix)
+					: this.getGlobalMatrix().clone().preConcatenate(
+							view._matrix),
+			tolerancePadding = options._tolerancePadding = new Size(
+						Path._getPenPadding(1, totalMatrix.inverted())
+					).multiply(
+						Math.max(options.tolerance, 0.00001)
+					);
+		point = matrix._inverseTransform(point);
+
+		if (!this._children && !this.getInternalRoughBounds()
+				.expand(tolerancePadding.multiply(2))._containsPoint(point))
+			return null;
+		var type,
+			checkSelf = !(options.guides && !this._guide
+				|| options.selected && !this._selected
+				|| (type = options.type) && (typeof type === 'string'
+						? type !== Base.hyphenate(this._class)
+						: !(this instanceof type))),
+			that = this,
+			res;
+
+		function checkBounds(type, part) {
+			var pt = bounds['get' + part]();
+			if (point.subtract(pt).divide(tolerancePadding).length <= 1)
+				return new HitResult(type, that,
+						{ name: Base.hyphenate(part), point: pt });
+		}
+
+		if (checkSelf && (options.center || options.bounds) && this._parent) {
+			var bounds = this.getInternalBounds();
+			if (options.center)
+				res = checkBounds('center', 'Center');
+			if (!res && options.bounds) {
+				var points = [
+					'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',
+					'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'
+				];
+				for (var i = 0; i < 8 && !res; i++)
+					res = checkBounds('bounds', points[i]);
+			}
+		}
+
+		var children = !res && this._children;
+		if (children) {
+			var opts = this._getChildHitTestOptions(options);
+			for (var i = children.length - 1; i >= 0 && !res; i--)
+				res = children[i].hitTest(point, opts);
+		}
+		if (!res && checkSelf)
+			res = this._hitTest(point, options);
+		if (res && res.point)
+			res.point = matrix.transform(res.point);
+		options._totalMatrix = parentTotalMatrix;
+		return res;
+	},
+
+	_getChildHitTestOptions: function(options) {
+		return options;
+	},
+
+	_hitTest: function(point, options) {
+		if (options.fill && this.hasFill() && this._contains(point))
+			return new HitResult('fill', this);
+	}
+}, { 
+	matches: function(match) {
+		function matchObject(obj1, obj2) {
+			for (var i in obj1) {
+				if (obj1.hasOwnProperty(i)) {
+					var val1 = obj1[i],
+						val2 = obj2[i];
+					if (Base.isPlainObject(val1) && Base.isPlainObject(val2)) {
+						if (!matchObject(val1, val2))
+							return false;
+					} else if (!Base.equals(val1, val2)) {
+						return false;
+					}
+				}
+			}
+			return true;
+		}
+		for (var key in match) {
+			if (match.hasOwnProperty(key)) {
+				var value = this[key],
+					compare = match[key];
+				if (value === undefined && key === 'type')
+					value = Base.hyphenate(this._class);
+				if (/^(constructor|class)$/.test(key)) {
+					if (!(this instanceof compare))
+						return false;
+				} else if (compare instanceof RegExp) {
+					if (!compare.test(value))
+						return false;
+				} else if (typeof compare === 'function') {
+					if (!compare(value))
+						return false;
+				} else if (Base.isPlainObject(compare)) {
+					if (!matchObject(compare, value))
+						return false;
+				} else if (!Base.equals(value, compare)) {
+					return false;
+				}
+			}
+		}
+		return true;
+	},
+
+	getItems: function(match) {
+		return Item._getItems(this._children, match, true);
+	},
+
+	getItem: function(match) {
+		return Item._getItems(this._children, match, false);
+	},
+
+	statics: {
+		_getItems: function _getItems(children, match, list) {
+			var items = list && [];
+			for (var i = 0, l = children && children.length; i < l; i++) {
+				var child = children[i];
+				if (child.matches(match)) {
+					if (list) {
+						items.push(child);
+					} else {
+						return child;
+					}
+				}
+				var res = _getItems(child._children, match, list);
+				if (list) {
+					items.push.apply(items, res);
+				} else if (res) {
+					return res;
+				}
+			}
+			return list ? items : null;
+		}
+	}
+}, {
+
+	importJSON: function(json) {
+		var res = Base.importJSON(json, this);
+		return res !== this
+				? this.addChild(res)
+				: res;
+	},
+
+	addChild: function(item, _preserve) {
+		return this.insertChild(undefined, item, _preserve);
+	},
+
+	insertChild: function(index, item, _preserve) {
+		var res = this.insertChildren(index, [item], _preserve);
+		return res && res[0];
+	},
+
+	addChildren: function(items, _preserve) {
+		return this.insertChildren(this._children.length, items, _preserve);
+	},
+
+	insertChildren: function(index, items, _preserve, _proto) {
+		var children = this._children;
+		if (children && items && items.length > 0) {
+			items = Array.prototype.slice.apply(items);
+			for (var i = items.length - 1; i >= 0; i--) {
+				var item = items[i];
+				if (_proto && !(item instanceof _proto)) {
+					items.splice(i, 1);
+				} else {
+					item._remove(false, true);
+				}
+			}
+			Base.splice(children, items, index, 0);
+			var project = this._project,
+				notifySelf = project && project._changes;
+			for (var i = 0, l = items.length; i < l; i++) {
+				var item = items[i];
+				item._parent = this;
+				item._setProject(this._project, true);
+				if (item._name)
+					item.setName(item._name);
+				if (notifySelf)
+					this._changed(5);
+			}
+			this._changed(11);
+		} else {
+			items = null;
+		}
+		return items;
+	},
+
+	_insert: function(above, item, _preserve) {
+		if (!item._parent)
+			return null;
+		var index = item._index + (above ? 1 : 0);
+		if (item._parent === this._parent && index > this._index)
+			 index--;
+		return item._parent.insertChild(index, this, _preserve);
+	},
+
+	insertAbove: function(item, _preserve) {
+		return this._insert(true, item, _preserve);
+	},
+
+	insertBelow: function(item, _preserve) {
+	 	return this._insert(false, item, _preserve);
+	 },
+
+	sendToBack: function() {
+		return this._parent.insertChild(0, this);
+	},
+
+	bringToFront: function() {
+		return this._parent.addChild(this);
+	},
+
+	appendTop: '#addChild',
+
+	appendBottom: function(item) {
+		return this.insertChild(0, item);
+	},
+
+	moveAbove: '#insertAbove',
+
+	moveBelow: '#insertBelow',
+
+	reduce: function() {
+		if (this._children && this._children.length === 1) {
+			var child = this._children[0].reduce();
+			child.insertAbove(this);
+			child.setStyle(this._style);
+			this.remove();
+			return child;
+		}
+		return this;
+	},
+
+	_removeNamed: function() {
+		var children = this._parent._children,
+			namedChildren = this._parent._namedChildren,
+			name = this._name,
+			namedArray = namedChildren[name],
+			index = namedArray ? namedArray.indexOf(this) : -1;
+		if (index == -1)
+			return;
+		if (children[name] == this)
+			delete children[name];
+		namedArray.splice(index, 1);
+		if (namedArray.length) {
+			children[name] = namedArray[namedArray.length - 1];
+		} else {
+			delete namedChildren[name];
+		}
+	},
+
+	_remove: function(notifySelf, notifyParent) {
+		var parent = this._parent;
+		if (parent) {
+			if (this._name)
+				this._removeNamed();
+			if (this._index != null)
+				Base.splice(parent._children, null, this._index, 1);
+			this._installEvents(false);
+			if (notifySelf) {
+				var project = this._project;
+				if (project && project._changes)
+					this._changed(5);
+			}
+			if (notifyParent)
+				parent._changed(11);
+			this._parent = null;
+			return true;
+		}
+		return false;
+	},
+
+	remove: function() {
+		return this._remove(true, true);
+	},
+
+	removeChildren: function(from, to) {
+		if (!this._children)
+			return null;
+		from = from || 0;
+		to = Base.pick(to, this._children.length);
+		var removed = Base.splice(this._children, null, from, to - from);
+		for (var i = removed.length - 1; i >= 0; i--) {
+			removed[i]._remove(true, false);
+		}
+		if (removed.length > 0)
+			this._changed(11);
+		return removed;
+	},
+
+	clear: '#removeChildren',
+
+	reverseChildren: function() {
+		if (this._children) {
+			this._children.reverse();
+			for (var i = 0, l = this._children.length; i < l; i++)
+				this._children[i]._index = i;
+			this._changed(11);
+		}
+	},
+
+	isEmpty: function() {
+		return !this._children || this._children.length == 0;
+	},
+
+	isEditable: function() {
+		var item = this;
+		while (item) {
+			if (!item._visible || item._locked)
+				return false;
+			item = item._parent;
+		}
+		return true;
+	},
+
+	_getOrder: function(item) {
+		function getList(item) {
+			var list = [];
+			do {
+				list.unshift(item);
+			} while (item = item._parent);
+			return list;
+		}
+		var list1 = getList(this),
+			list2 = getList(item);
+		for (var i = 0, l = Math.min(list1.length, list2.length); i < l; i++) {
+			if (list1[i] != list2[i]) {
+				return list1[i]._index < list2[i]._index ? 1 : -1;
+			}
+		}
+		return 0;
+	},
+
+	hasChildren: function() {
+		return this._children && this._children.length > 0;
+	},
+
+	isAbove: function(item) {
+		return this._getOrder(item) === -1;
+	},
+
+	isBelow: function(item) {
+		return this._getOrder(item) === 1;
+	},
+
+	isParent: function(item) {
+		return this._parent === item;
+	},
+
+	isChild: function(item) {
+		return item && item._parent === this;
+	},
+
+	isDescendant: function(item) {
+		var parent = this;
+		while (parent = parent._parent) {
+			if (parent == item)
+				return true;
+		}
+		return false;
+	},
+
+	isAncestor: function(item) {
+		return item ? item.isDescendant(this) : false;
+	},
+
+	isGroupedWith: function(item) {
+		var parent = this._parent;
+		while (parent) {
+			if (parent._parent
+				&& /^(Group|Layer|CompoundPath)$/.test(parent._class)
+				&& item.isDescendant(parent))
+					return true;
+			parent = parent._parent;
+		}
+		return false;
+	},
+
+	translate: function() {
+		var mx = new Matrix();
+		return this.transform(mx.translate.apply(mx, arguments));
+	},
+
+	rotate: function(angle ) {
+		return this.transform(new Matrix().rotate(angle,
+				Point.read(arguments, 1, { readNull: true })
+					|| this.getPosition(true)));
+	}
+}, Base.each(['scale', 'shear', 'skew'], function(name) {
+	this[name] = function() {
+		var point = Point.read(arguments),
+			center = Point.read(arguments, 0, { readNull: true });
+		return this.transform(new Matrix()[name](point,
+				center || this.getPosition(true)));
+	};
+}, {
+
+}), {
+	transform: function(matrix, _applyMatrix) {
+		if (matrix && matrix.isIdentity())
+			matrix = null;
+		var _matrix = this._matrix,
+			applyMatrix = (_applyMatrix || this._applyMatrix)
+				&& (!_matrix.isIdentity() || matrix);
+		if (!matrix && !applyMatrix)
+			return this;
+		if (matrix)
+			_matrix.preConcatenate(matrix);
+		if (applyMatrix = applyMatrix && this._transformContent(_matrix)) {
+			var pivot = this._pivot,
+				style = this._style,
+				fillColor = style.getFillColor(true),
+				strokeColor = style.getStrokeColor(true);
+			if (pivot)
+				pivot.transform(_matrix);
+			if (fillColor)
+				fillColor.transform(_matrix);
+			if (strokeColor)
+				strokeColor.transform(_matrix);
+			_matrix.reset(true);
+		}
+		var bounds = this._bounds,
+			position = this._position;
+		this._changed(9);
+		var decomp = bounds && matrix && matrix.decompose();
+		if (decomp && !decomp.shearing && decomp.rotation % 90 === 0) {
+			for (var key in bounds) {
+				var rect = bounds[key];
+				if (applyMatrix || !rect._internal)
+					matrix._transformBounds(rect, rect);
+			}
+			var getter = this._boundsGetter,
+				rect = bounds[getter && getter.getBounds || getter || 'getBounds'];
+			if (rect)
+				this._position = rect.getCenter(true);
+			this._bounds = bounds;
+		} else if (matrix && position) {
+			this._position = matrix._transformPoint(position, position);
+		}
+		return this;
+	},
+
+	_transformContent: function(matrix) {
+		var children = this._children;
+		if (children) {
+			for (var i = 0, l = children.length; i < l; i++)
+				children[i].transform(matrix, true);
+			return true;
+		}
+	},
+
+	globalToLocal: function() {
+		var matrix = this.getGlobalMatrix();
+		return matrix && matrix._inverseTransform(Point.read(arguments));
+	},
+
+	localToGlobal: function() {
+		var matrix = this.getGlobalMatrix();
+		return matrix && matrix._transformPoint(Point.read(arguments));
+	},
+
+	fitBounds: function(rectangle, fill) {
+		rectangle = Rectangle.read(arguments);
+		var bounds = this.getBounds(),
+			itemRatio = bounds.height / bounds.width,
+			rectRatio = rectangle.height / rectangle.width,
+			scale = (fill ? itemRatio > rectRatio : itemRatio < rectRatio)
+					? rectangle.width / bounds.width
+					: rectangle.height / bounds.height,
+			newBounds = new Rectangle(new Point(),
+					new Size(bounds.width * scale, bounds.height * scale));
+		newBounds.setCenter(rectangle.getCenter());
+		this.setBounds(newBounds);
+	},
+
+	_setStyles: function(ctx) {
+		var style = this._style,
+			fillColor = style.getFillColor(),
+			strokeColor = style.getStrokeColor(),
+			shadowColor = style.getShadowColor();
+		if (fillColor)
+			ctx.fillStyle = fillColor.toCanvasStyle(ctx);
+		if (strokeColor) {
+			var strokeWidth = style.getStrokeWidth();
+			if (strokeWidth > 0) {
+				ctx.strokeStyle = strokeColor.toCanvasStyle(ctx);
+				ctx.lineWidth = strokeWidth;
+				var strokeJoin = style.getStrokeJoin(),
+					strokeCap = style.getStrokeCap(),
+					miterLimit = style.getMiterLimit();
+				if (strokeJoin)
+					ctx.lineJoin = strokeJoin;
+				if (strokeCap)
+					ctx.lineCap = strokeCap;
+				if (miterLimit)
+					ctx.miterLimit = miterLimit;
+				if (paper.support.nativeDash) {
+					var dashArray = style.getDashArray(),
+						dashOffset = style.getDashOffset();
+					if (dashArray && dashArray.length) {
+						if ('setLineDash' in ctx) {
+							ctx.setLineDash(dashArray);
+							ctx.lineDashOffset = dashOffset;
+						} else {
+							ctx.mozDash = dashArray;
+							ctx.mozDashOffset = dashOffset;
+						}
+					}
+				}
+			}
+		}
+		if (shadowColor) {
+			var shadowBlur = style.getShadowBlur();
+			if (shadowBlur > 0) {
+				ctx.shadowColor = shadowColor.toCanvasStyle(ctx);
+				ctx.shadowBlur = shadowBlur;
+				var offset = this.getShadowOffset();
+				ctx.shadowOffsetX = offset.x;
+				ctx.shadowOffsetY = offset.y;
+			}
+		}
+	},
+
+	draw: function(ctx, param) {
+		if (!this._visible || this._opacity === 0)
+			return;
+		var updateVersion = this._updateVersion = this._project._updateVersion;
+		var trackTransforms = param.trackTransforms,
+			transforms = param.transforms,
+			matrix = this._matrix,
+			parentMatrix = transforms[transforms.length - 1],
+			globalMatrix = parentMatrix.clone().concatenate(matrix);
+		if (!globalMatrix.isInvertible())
+			return;
+		if (trackTransforms) {
+			transforms.push(this._globalMatrix = globalMatrix);
+			globalMatrix._updateVersion = updateVersion;
+		}
+
+		var blendMode = this._blendMode,
+			opacity = this._opacity,
+			normalBlend = blendMode === 'normal',
+			nativeBlend = BlendMode.nativeModes[blendMode],
+			direct = normalBlend && opacity === 1
+					|| param.clip
+					|| (nativeBlend || normalBlend && opacity < 1)
+						&& this._canComposite(),
+			mainCtx, itemOffset, prevOffset;
+		if (!direct) {
+			var bounds = this.getStrokeBounds(parentMatrix);
+			if (!bounds.width || !bounds.height)
+				return;
+			prevOffset = param.offset;
+			itemOffset = param.offset = bounds.getTopLeft().floor();
+			mainCtx = ctx;
+			ctx = CanvasProvider.getContext(
+					bounds.getSize().ceil().add(new Size(1, 1)),
+					param.pixelRatio);
+		}
+		ctx.save();
+		if (direct) {
+			ctx.globalAlpha = opacity;
+			if (nativeBlend)
+				ctx.globalCompositeOperation = blendMode;
+		} else {
+			ctx.translate(-itemOffset.x, -itemOffset.y);
+		}
+		(direct ? matrix : globalMatrix).applyToContext(ctx);
+		if (!direct && param.clipItem)
+			param.clipItem.draw(ctx, param.extend({ clip: true }));
+		this._draw(ctx, param);
+		ctx.restore();
+		if (trackTransforms)
+			transforms.pop();
+		if (param.clip && !param.dontFinish)
+			ctx.clip();
+		if (!direct) {
+			BlendMode.process(blendMode, ctx, mainCtx, opacity,
+					itemOffset.subtract(prevOffset).multiply(param.pixelRatio));
+			CanvasProvider.release(ctx);
+			param.offset = prevOffset;
+		}
+	},
+
+	_canComposite: function() {
+		return false;
+	}
+}, Base.each(['down', 'drag', 'up', 'move'], function(name) {
+	this['removeOn' + Base.capitalize(name)] = function() {
+		var hash = {};
+		hash[name] = true;
+		return this.removeOn(hash);
+	};
+}, {
+
+	removeOn: function(obj) {
+		for (var name in obj) {
+			if (obj[name]) {
+				var key = 'mouse' + name,
+					project = this._project,
+					sets = project._removeSets = project._removeSets || {};
+				sets[key] = sets[key] || {};
+				sets[key][this._id] = this;
+			}
+		}
+		return this;
+	}
+}));
+
+var Group = Item.extend({
+	_class: 'Group',
+	_selectChildren: true,
+	_serializeFields: {
+		children: []
+	},
+
+	initialize: function Group(arg) {
+		this._children = [];
+		this._namedChildren = {};
+		if (!this._initialize(arg))
+			this.addChildren(Array.isArray(arg) ? arg : arguments);
+	},
+
+	_changed: function _changed(flags) {
+		_changed.base.call(this, flags);
+		if (flags & (2 | 1024)) {
+			this._clipItem = undefined;
+		}
+	},
+
+	_getClipItem: function() {
+		var clipItem = this._clipItem;
+		if (clipItem === undefined) {
+			clipItem = null;
+			for (var i = 0, l = this._children.length; i < l; i++) {
+				var child = this._children[i];
+				if (child._clipMask) {
+					clipItem = child;
+					break;
+				}
+			}
+			this._clipItem = clipItem;
+		}
+		return clipItem;
+	},
+
+	isClipped: function() {
+		return !!this._getClipItem();
+	},
+
+	setClipped: function(clipped) {
+		var child = this.getFirstChild();
+		if (child)
+			child.setClipMask(clipped);
+	},
+
+	_draw: function(ctx, param) {
+		var clip = param.clip,
+			clipItem = !clip && this._getClipItem(),
+			draw = true;
+		param = param.extend({ clipItem: clipItem, clip: false });
+		if (clip) {
+			if (this._currentPath) {
+				ctx.currentPath = this._currentPath;
+				draw = false;
+			} else {
+				ctx.beginPath();
+				param.dontStart = param.dontFinish = true;
+			}
+		} else if (clipItem) {
+			clipItem.draw(ctx, param.extend({ clip: true }));
+		}
+		if (draw) {
+			for (var i = 0, l = this._children.length; i < l; i++) {
+				var item = this._children[i];
+				if (item !== clipItem)
+					item.draw(ctx, param);
+			}
+		}
+		if (clip) {
+			this._currentPath = ctx.currentPath;
+		}
+	}
+});
+
+var Layer = Group.extend({
+	_class: 'Layer',
+
+	initialize: function Layer(arg) {
+		var props = Base.isPlainObject(arg)
+				? new Base(arg) 
+				: { children: Array.isArray(arg) ? arg : arguments },
+			insert = props.insert;
+		props.insert = false;
+		Group.call(this, props);
+		if (insert || insert === undefined) {
+			this._project.addChild(this);
+			this.activate();
+		}
+	},
+
+	_remove: function _remove(notify) {
+		if (this._parent)
+			return _remove.base.call(this, notify);
+		if (this._index != null) {
+			if (this._project.activeLayer === this)
+				this._project.activeLayer = this.getNextSibling()
+						|| this.getPreviousSibling();
+			Base.splice(this._project.layers, null, this._index, 1);
+			this._installEvents(false);
+			this._project._needsUpdate = true;
+			return true;
+		}
+		return false;
+	},
+
+	getNextSibling: function getNextSibling() {
+		return this._parent ? getNextSibling.base.call(this)
+				: this._project.layers[this._index + 1] || null;
+	},
+
+	getPreviousSibling: function getPreviousSibling() {
+		return this._parent ? getPreviousSibling.base.call(this)
+				: this._project.layers[this._index - 1] || null;
+	},
+
+	isInserted: function isInserted() {
+		return this._parent ? isInserted.base.call(this) : this._index != null;
+	},
+
+	activate: function() {
+		this._project.activeLayer = this;
+	},
+
+	_insert: function _insert(above, item, _preserve) {
+		if (item instanceof Layer && !item._parent) {
+			this._remove(true, true);
+			Base.splice(item._project.layers, [this],
+					item._index + (above ? 1 : 0), 0);
+			this._setProject(item._project, true);
+			return this;
+		}
+		return _insert.base.call(this, above, item, _preserve);
+	}
+});
+
+var Shape = Item.extend({
+	_class: 'Shape',
+	_applyMatrix: false,
+	_canApplyMatrix: false,
+	_boundsSelected: true,
+	_serializeFields: {
+		type: null,
+		size: null,
+		radius: null
+	},
+
+	initialize: function Shape(props) {
+		this._initialize(props);
+	},
+
+	_equals: function(item) {
+		return this._type === item._type
+			&& this._size.equals(item._size)
+			&& Base.equals(this._radius, item._radius);
+	},
+
+	clone: function(insert) {
+		var copy = new Shape(Item.NO_INSERT);
+		copy.setType(this._type);
+		copy.setSize(this._size);
+		copy.setRadius(this._radius);
+		return this._clone(copy, insert);
+	},
+
+	getType: function() {
+		return this._type;
+	},
+
+	setType: function(type) {
+		this._type = type;
+	},
+
+	getShape: '#getType',
+	setShape: '#setType',
+
+	getSize: function() {
+		var size = this._size;
+		return new LinkedSize(size.width, size.height, this, 'setSize');
+	},
+
+	setSize: function() {
+		var size = Size.read(arguments);
+		if (!this._size) {
+			this._size = size.clone();
+		} else if (!this._size.equals(size)) {
+			var type = this._type,
+				width = size.width,
+				height = size.height;
+			if (type === 'rectangle') {
+				var radius = Size.min(this._radius, size.divide(2));
+				this._radius.set(radius.width, radius.height);
+			} else if (type === 'circle') {
+				width = height = (width + height) / 2;
+				this._radius = width / 2;
+			} else if (type === 'ellipse') {
+				this._radius.set(width / 2, height / 2);
+			}
+			this._size.set(width, height);
+			this._changed(9);
+		}
+	},
+
+	getRadius: function() {
+		var rad = this._radius;
+		return this._type === 'circle'
+				? rad
+				: new LinkedSize(rad.width, rad.height, this, 'setRadius');
+	},
+
+	setRadius: function(radius) {
+		var type = this._type;
+		if (type === 'circle') {
+			if (radius === this._radius)
+				return;
+			var size = radius * 2;
+			this._radius = radius;
+			this._size.set(size, size);
+		} else {
+			radius = Size.read(arguments);
+			if (!this._radius) {
+				this._radius = radius.clone();
+			} else {
+				if (this._radius.equals(radius))
+					return;
+				this._radius.set(radius.width, radius.height);
+				if (type === 'rectangle') {
+					var size = Size.max(this._size, radius.multiply(2));
+					this._size.set(size.width, size.height);
+				} else if (type === 'ellipse') {
+					this._size.set(radius.width * 2, radius.height * 2);
+				}
+			}
+		}
+		this._changed(9);
+	},
+
+	isEmpty: function() {
+		return false;
+	},
+
+	toPath: function(insert) {
+		var path = new Path[Base.capitalize(this._type)]({
+			center: new Point(),
+			size: this._size,
+			radius: this._radius,
+			insert: false
+		});
+		path.setStyle(this._style);
+		path.transform(this._matrix);
+		if (insert || insert === undefined)
+			path.insertAbove(this);
+		return path;
+	},
+
+	_draw: function(ctx, param) {
+		var style = this._style,
+			hasFill = style.hasFill(),
+			hasStroke = style.hasStroke(),
+			dontPaint = param.dontFinish || param.clip;
+		if (hasFill || hasStroke || dontPaint) {
+			var radius = this._radius,
+				type = this._type;
+			if (!param.dontStart)
+				ctx.beginPath();
+			if (type === 'circle') {
+				ctx.arc(0, 0, radius, 0, Math.PI * 2, true);
+			} else {
+				var rx = radius.width,
+					ry = radius.height,
+					kappa = 0.5522847498307936;
+				if (type === 'ellipse') {
+					var	cx = rx * kappa,
+						cy = ry * kappa;
+					ctx.moveTo(-rx, 0);
+					ctx.bezierCurveTo(-rx, -cy, -cx, -ry, 0, -ry);
+					ctx.bezierCurveTo(cx, -ry, rx, -cy, rx, 0);
+					ctx.bezierCurveTo(rx, cy, cx, ry, 0, ry);
+					ctx.bezierCurveTo(-cx, ry, -rx, cy, -rx, 0);
+				} else { 
+					var size = this._size,
+						width = size.width,
+						height = size.height;
+					if (rx === 0 && ry === 0) {
+						ctx.rect(-width / 2, -height / 2, width, height);
+					} else {
+						kappa = 1 - kappa;
+						var x = width / 2,
+							y = height / 2,
+							cx = rx * kappa,
+							cy = ry * kappa;
+						ctx.moveTo(-x, -y + ry);
+						ctx.bezierCurveTo(-x, -y + cy, -x + cx, -y, -x + rx, -y);
+						ctx.lineTo(x - rx, -y);
+						ctx.bezierCurveTo(x - cx, -y, x, -y + cy, x, -y + ry);
+						ctx.lineTo(x, y - ry);
+						ctx.bezierCurveTo(x, y - cy, x - cx, y, x - rx, y);
+						ctx.lineTo(-x + rx, y);
+						ctx.bezierCurveTo(-x + cx, y, -x, y - cy, -x, y - ry);
+					}
+				}
+			}
+			ctx.closePath();
+		}
+		if (!dontPaint && (hasFill || hasStroke)) {
+			this._setStyles(ctx);
+			if (hasFill) {
+				ctx.fill(style.getWindingRule());
+				ctx.shadowColor = 'rgba(0,0,0,0)';
+			}
+			if (hasStroke)
+				ctx.stroke();
+		}
+	},
+
+	_canComposite: function() {
+		return !(this.hasFill() && this.hasStroke());
+	},
+
+	_getBounds: function(getter, matrix) {
+		var rect = new Rectangle(this._size).setCenter(0, 0);
+		if (getter !== 'getBounds' && this.hasStroke())
+			rect = rect.expand(this.getStrokeWidth());
+		return matrix ? matrix._transformBounds(rect) : rect;
+	}
+},
+new function() { 
+
+	function getCornerCenter(that, point, expand) {
+		var radius = that._radius;
+		if (!radius.isZero()) {
+			var halfSize = that._size.divide(2);
+			for (var i = 0; i < 4; i++) {
+				var dir = new Point(i & 1 ? 1 : -1, i > 1 ? 1 : -1),
+					corner = dir.multiply(halfSize),
+					center = corner.subtract(dir.multiply(radius)),
+					rect = new Rectangle(corner, center);
+				if ((expand ? rect.expand(expand) : rect).contains(point))
+					return center;
+			}
+		}
+	}
+
+	function getEllipseRadius(point, radius) {
+		var angle = point.getAngleInRadians(),
+			width = radius.width * 2,
+			height = radius.height * 2,
+			x = width * Math.sin(angle),
+			y = height * Math.cos(angle);
+		return width * height / (2 * Math.sqrt(x * x + y * y));
+	}
+
+	return {
+		_contains: function _contains(point) {
+			if (this._type === 'rectangle') {
+				var center = getCornerCenter(this, point);
+				return center
+						? point.subtract(center).divide(this._radius)
+							.getLength() <= 1
+						: _contains.base.call(this, point);
+			} else {
+				return point.divide(this.size).getLength() <= 0.5;
+			}
+		},
+
+		_hitTest: function _hitTest(point, options) {
+			var hit = false;
+			if (this.hasStroke()) {
+				var type = this._type,
+					radius = this._radius,
+					strokeWidth = this.getStrokeWidth() + 2 * options.tolerance;
+				if (type === 'rectangle') {
+					var center = getCornerCenter(this, point, strokeWidth);
+					if (center) {
+						var pt = point.subtract(center);
+						hit = 2 * Math.abs(pt.getLength()
+								- getEllipseRadius(pt, radius)) <= strokeWidth;
+					} else {
+						var rect = new Rectangle(this._size).setCenter(0, 0),
+							outer = rect.expand(strokeWidth),
+							inner = rect.expand(-strokeWidth);
+						hit = outer._containsPoint(point)
+								&& !inner._containsPoint(point);
+					}
+				} else {
+					if (type === 'ellipse')
+						radius = getEllipseRadius(point, radius);
+					hit = 2 * Math.abs(point.getLength() - radius)
+							<= strokeWidth;
+				}
+			}
+			return hit
+					? new HitResult('stroke', this)
+					: _hitTest.base.apply(this, arguments);
+		}
+	};
+}, {
+
+statics: new function() {
+	function createShape(type, point, size, radius, args) {
+		var item = new Shape(Base.getNamed(args));
+		item._type = type;
+		item._size = size;
+		item._radius = radius;
+		return item.translate(point);
+	}
+
+	return {
+		Circle: function() {
+			var center = Point.readNamed(arguments, 'center'),
+				radius = Base.readNamed(arguments, 'radius');
+			return createShape('circle', center, new Size(radius * 2), radius,
+					arguments);
+		},
+
+		Rectangle: function() {
+			var rect = Rectangle.readNamed(arguments, 'rectangle'),
+				radius = Size.min(Size.readNamed(arguments, 'radius'),
+						rect.getSize(true).divide(2));
+			return createShape('rectangle', rect.getCenter(true),
+					rect.getSize(true), radius, arguments);
+		},
+
+		Ellipse: function() {
+			var ellipse = Shape._readEllipse(arguments),
+				radius = ellipse.radius;
+			return createShape('ellipse', ellipse.center, radius.multiply(2),
+					radius, arguments);
+		},
+
+		_readEllipse: function(args) {
+			var center,
+				radius;
+			if (Base.hasNamed(args, 'radius')) {
+				center = Point.readNamed(args, 'center');
+				radius = Size.readNamed(args, 'radius');
+			} else {
+				var rect = Rectangle.readNamed(args, 'rectangle');
+				center = rect.getCenter(true);
+				radius = rect.getSize(true).divide(2);
+			}
+			return { center: center, radius: radius };
+		}
+	};
+}});
+
+var Raster = Item.extend({
+	_class: 'Raster',
+	_applyMatrix: false,
+	_canApplyMatrix: false,
+	_boundsGetter: 'getBounds',
+	_boundsSelected: true,
+	_serializeFields: {
+		source: null
+	},
+
+	initialize: function Raster(object, position) {
+		if (!this._initialize(object,
+				position !== undefined && Point.read(arguments, 1))) {
+			if (typeof object === 'string') {
+				this.setSource(object);
+			} else {
+				this.setImage(object);
+			}
+		}
+		if (!this._size)
+			this._size = new Size();
+	},
+
+	_equals: function(item) {
+		return this.getSource() === item.getSource();
+	},
+
+	clone: function(insert) {
+		var copy = new Raster(Item.NO_INSERT),
+			image = this._image,
+			canvas = this._canvas;
+		if (image) {
+			copy.setImage(image);
+		} else if (canvas) {
+			var copyCanvas = CanvasProvider.getCanvas(this._size);
+			copyCanvas.getContext('2d').drawImage(canvas, 0, 0);
+			copy.setCanvas(copyCanvas);
+		}
+		return this._clone(copy, insert);
+	},
+
+	getSize: function() {
+		var size = this._size;
+		return new LinkedSize(size.width, size.height, this, 'setSize');
+	},
+
+	setSize: function() {
+		var size = Size.read(arguments);
+		if (!this._size.equals(size)) {
+			var element = this.getElement();
+			this.setCanvas(CanvasProvider.getCanvas(size));
+			if (element)
+				this.getContext(true).drawImage(element, 0, 0,
+						size.width, size.height);
+		}
+	},
+
+	getWidth: function() {
+		return this._size.width;
+	},
+
+	getHeight: function() {
+		return this._size.height;
+	},
+
+	isEmpty: function() {
+		return this._size.width == 0 && this._size.height == 0;
+	},
+
+	getPpi: function() {
+		var matrix = this._matrix,
+			orig = new Point(0, 0).transform(matrix),
+			u = new Point(1, 0).transform(matrix).subtract(orig),
+			v = new Point(0, 1).transform(matrix).subtract(orig);
+		return new Size(
+			72 / u.getLength(),
+			72 / v.getLength()
+		);
+	},
+
+	getImage: function() {
+		return this._image;
+	},
+
+	setImage: function(image) {
+		if (this._canvas)
+			CanvasProvider.release(this._canvas);
+		if (image.getContext) {
+			this._image = null;
+			this._canvas = image;
+		} else {
+			this._image = image;
+			this._canvas = null;
+		}
+		this._size = new Size(
+				image.naturalWidth || image.width,
+				image.naturalHeight || image.height);
+		this._context = null;
+		this._changed(9 | 513);
+	},
+
+	getCanvas: function() {
+		if (!this._canvas) {
+			var ctx = CanvasProvider.getContext(this._size);
+			try {
+				if (this._image)
+					ctx.drawImage(this._image, 0, 0);
+				this._canvas = ctx.canvas;
+			} catch (e) {
+				CanvasProvider.release(ctx);
+			}
+		}
+		return this._canvas;
+	},
+
+	setCanvas: '#setImage',
+
+	getContext: function(modify) {
+		if (!this._context)
+			this._context = this.getCanvas().getContext('2d');
+		if (modify) {
+			this._image = null;
+			this._changed(513);
+		}
+		return this._context;
+	},
+
+	setContext: function(context) {
+		this._context = context;
+	},
+
+	getSource: function() {
+		return this._image && this._image.src || this.toDataURL();
+	},
+
+	setSource: function(src) {
+		var that = this,
+			image;
+
+		function loaded() {
+			var view = that.getView();
+			if (view) {
+				paper = view._scope;
+				that.setImage(image);
+				that.fire('load');
+				view.update();
+			}
+		}
+
+			image = document.getElementById(src) || new Image();
+
+		if (image.naturalWidth && image.naturalHeight) {
+			setTimeout(loaded, 0);
+		} else {
+			DomEvent.add(image, {
+				load: loaded
+			});
+			if (!image.src)
+				image.src = src;
+		}
+		this.setImage(image);
+	},
+
+	getElement: function() {
+		return this._canvas || this._image;
+	},
+
+	getSubCanvas: function(rect) { 
+		var rect = Rectangle.read(arguments),
+			ctx = CanvasProvider.getContext(rect.getSize());
+		ctx.drawImage(this.getCanvas(), rect.x, rect.y,
+				rect.width, rect.height, 0, 0, rect.width, rect.height);
+		return ctx.canvas;
+	},
+
+	getSubRaster: function(rect) { 
+		var rect = Rectangle.read(arguments),
+			raster = new Raster(Item.NO_INSERT);
+		raster.setCanvas(this.getSubCanvas(rect));
+		raster.translate(rect.getCenter().subtract(this.getSize().divide(2)));
+		raster._matrix.preConcatenate(this._matrix);
+		raster.insertAbove(this);
+		return raster;
+	},
+
+	toDataURL: function() {
+		var src = this._image && this._image.src;
+		if (/^data:/.test(src))
+			return src;
+		var canvas = this.getCanvas();
+		return canvas ? canvas.toDataURL() : null;
+	},
+
+	drawImage: function(image ) {
+		var point = Point.read(arguments, 1);
+		this.getContext(true).drawImage(image, point.x, point.y);
+	},
+
+	getAverageColor: function(object) {
+		var bounds, path;
+		if (!object) {
+			bounds = this.getBounds();
+		} else if (object instanceof PathItem) {
+			path = object;
+			bounds = object.getBounds();
+		} else if (object.width) {
+			bounds = new Rectangle(object);
+		} else if (object.x) {
+			bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1);
+		}
+		var sampleSize = 32,
+			width = Math.min(bounds.width, sampleSize),
+			height = Math.min(bounds.height, sampleSize);
+		var ctx = Raster._sampleContext;
+		if (!ctx) {
+			ctx = Raster._sampleContext = CanvasProvider.getContext(
+					new Size(sampleSize));
+		} else {
+			ctx.clearRect(0, 0, sampleSize + 1, sampleSize + 1);
+		}
+		ctx.save();
+		var matrix = new Matrix()
+				.scale(width / bounds.width, height / bounds.height)
+				.translate(-bounds.x, -bounds.y);
+		matrix.applyToContext(ctx);
+		if (path)
+			path.draw(ctx, new Base({ clip: true, transforms: [matrix] }));
+		this._matrix.applyToContext(ctx);
+		ctx.drawImage(this.getElement(),
+				-this._size.width / 2, -this._size.height / 2);
+		ctx.restore();
+		var pixels = ctx.getImageData(0.5, 0.5, Math.ceil(width),
+				Math.ceil(height)).data,
+			channels = [0, 0, 0],
+			total = 0;
+		for (var i = 0, l = pixels.length; i < l; i += 4) {
+			var alpha = pixels[i + 3];
+			total += alpha;
+			alpha /= 255;
+			channels[0] += pixels[i] * alpha;
+			channels[1] += pixels[i + 1] * alpha;
+			channels[2] += pixels[i + 2] * alpha;
+		}
+		for (var i = 0; i < 3; i++)
+			channels[i] /= total;
+		return total ? Color.read(channels) : null;
+	},
+
+	getPixel: function(point) { 
+		var point = Point.read(arguments);
+		var data = this.getContext().getImageData(point.x, point.y, 1, 1).data;
+		return new Color('rgb', [data[0] / 255, data[1] / 255, data[2] / 255],
+				data[3] / 255);
+	},
+
+	setPixel: function() {
+		var point = Point.read(arguments),
+			color = Color.read(arguments),
+			components = color._convert('rgb'),
+			alpha = color._alpha,
+			ctx = this.getContext(true),
+			imageData = ctx.createImageData(1, 1),
+			data = imageData.data;
+		data[0] = components[0] * 255;
+		data[1] = components[1] * 255;
+		data[2] = components[2] * 255;
+		data[3] = alpha != null ? alpha * 255 : 255;
+		ctx.putImageData(imageData, point.x, point.y);
+	},
+
+	createImageData: function() {
+		var size = Size.read(arguments);
+		return this.getContext().createImageData(size.width, size.height);
+	},
+
+	getImageData: function(rect) { 
+		var rect = Rectangle.read(arguments);
+		if (rect.isEmpty())
+			rect = new Rectangle(this._size);
+		return this.getContext().getImageData(rect.x, rect.y,
+				rect.width, rect.height);
+	},
+
+	setImageData: function(data ) {
+		var point = Point.read(arguments, 1);
+		this.getContext(true).putImageData(data, point.x, point.y);
+	},
+
+	_getBounds: function(getter, matrix) {
+		var rect = new Rectangle(this._size).setCenter(0, 0);
+		return matrix ? matrix._transformBounds(rect) : rect;
+	},
+
+	_hitTest: function(point) {
+		if (this._contains(point)) {
+			var that = this;
+			return new HitResult('pixel', that, {
+				offset: point.add(that._size.divide(2)).round(),
+				color: {
+					get: function() {
+						return that.getPixel(this.offset);
+					}
+				}
+			});
+		}
+	},
+
+	_draw: function(ctx) {
+		var element = this.getElement();
+		if (element) {
+			ctx.globalAlpha = this._opacity;
+			ctx.drawImage(element,
+					-this._size.width / 2, -this._size.height / 2);
+		}
+	},
+
+	_canComposite: function() {
+		return true;
+	}
+});
+
+var PlacedSymbol = Item.extend({
+	_class: 'PlacedSymbol',
+	_applyMatrix: false,
+	_canApplyMatrix: false,
+	_boundsGetter: { getBounds: 'getStrokeBounds' },
+	_boundsSelected: true,
+	_serializeFields: {
+		symbol: null
+	},
+
+	initialize: function PlacedSymbol(arg0, arg1) {
+		if (!this._initialize(arg0,
+				arg1 !== undefined && Point.read(arguments, 1)))
+			this.setSymbol(arg0 instanceof Symbol ? arg0 : new Symbol(arg0));
+	},
+
+	_equals: function(item) {
+		return this._symbol === item._symbol;
+	},
+
+	getSymbol: function() {
+		return this._symbol;
+	},
+
+	setSymbol: function(symbol) {
+		this._symbol = symbol;
+		this._changed(9);
+	},
+
+	clone: function(insert) {
+		var copy = new PlacedSymbol(Item.NO_INSERT);
+		copy.setSymbol(this._symbol);
+		return this._clone(copy, insert);
+	},
+
+	isEmpty: function() {
+		return this._symbol._definition.isEmpty();
+	},
+
+	_getBounds: function(getter, matrix, cacheItem) {
+		return this.symbol._definition._getCachedBounds(getter, matrix,
+				cacheItem);
+	},
+
+	_hitTest: function(point, options) {
+		var res = this._symbol._definition.hitTest(point, options);
+		if (res)
+			res.item = this;
+		return res;
+	},
+
+	_draw: function(ctx, param) {
+		this.symbol._definition.draw(ctx, param);
+	}
+
+});
+
+var HitResult = Base.extend({
+	_class: 'HitResult',
+
+	initialize: function HitResult(type, item, values) {
+		this.type = type;
+		this.item = item;
+		if (values) {
+			values.enumerable = true;
+			this.inject(values);
+		}
+	},
+
+	statics: {
+		getOptions: function(options) {
+			return options && options._merged ? options : new Base({
+				type: null,
+				tolerance: paper.settings.hitTolerance,
+				fill: !options,
+				stroke: !options,
+				segments: !options,
+				handles: false,
+				ends: false,
+				center: false,
+				bounds: false,
+				guides: false,
+				selected: false,
+				_merged: true
+			}, options);
+		}
+	}
+});
+
+var Segment = Base.extend({
+	_class: 'Segment',
+	beans: true,
+
+	initialize: function Segment(arg0, arg1, arg2, arg3, arg4, arg5) {
+		var count = arguments.length,
+			point, handleIn, handleOut;
+		if (count === 0) {
+		} else if (count === 1) {
+			if (arg0.point) {
+				point = arg0.point;
+				handleIn = arg0.handleIn;
+				handleOut = arg0.handleOut;
+			} else {
+				point = arg0;
+			}
+		} else if (count === 2 && typeof arg0 === 'number') {
+			point = arguments;
+		} else if (count <= 3) {
+			point = arg0;
+			handleIn = arg1;
+			handleOut = arg2;
+		} else { 
+			point = arg0 !== undefined ? [ arg0, arg1 ] : null;
+			handleIn = arg2 !== undefined ? [ arg2, arg3 ] : null;
+			handleOut = arg4 !== undefined ? [ arg4, arg5 ] : null;
+		}
+		new SegmentPoint(point, this, '_point');
+		new SegmentPoint(handleIn, this, '_handleIn');
+		new SegmentPoint(handleOut, this, '_handleOut');
+	},
+
+	_serialize: function(options) {
+		return Base.serialize(this.isLinear() ? this._point
+				: [this._point, this._handleIn, this._handleOut],
+				options, true);
+	},
+
+	_changed: function(point) {
+		var path = this._path;
+		if (!path)
+			return;
+		var curves = path._curves,
+			index = this._index,
+			curveIn, curveOut;
+		if (curves) {
+			if ((!point || point === this._point || point === this._handleIn)
+					&& (curveIn = curves[index - 1]
+						|| path._closed && curves[curves.length - 1]))
+				curveIn._changed();
+			if ((!point || point === this._point || point === this._handleOut)
+					&& (curveOut = curves[index]))
+				curveOut._changed();
+		}
+		path._changed(25);
+	},
+
+	getPoint: function() {
+		return this._point;
+	},
+
+	setPoint: function() {
+		var point = Point.read(arguments);
+		this._point.set(point.x, point.y);
+	},
+
+	getHandleIn: function() {
+		return this._handleIn;
+	},
+
+	setHandleIn: function() {
+		var point = Point.read(arguments);
+		this._handleIn.set(point.x, point.y);
+	},
+
+	getHandleOut: function() {
+		return this._handleOut;
+	},
+
+	setHandleOut: function() {
+		var point = Point.read(arguments);
+		this._handleOut.set(point.x, point.y);
+	},
+
+	isLinear: function() {
+		return this._handleIn.isZero() && this._handleOut.isZero();
+	},
+
+	setLinear: function() {
+		this._handleIn.set(0, 0);
+		this._handleOut.set(0, 0);
+	},
+
+	isColinear: function(segment) {
+		var next1 = this.getNext(),
+			next2 = segment.getNext();
+		return this._handleOut.isZero() && next1._handleIn.isZero()
+				&& segment._handleOut.isZero() && next2._handleIn.isZero()
+				&& next1._point.subtract(this._point).isColinear(
+					next2._point.subtract(segment._point));
+	},
+
+	isOrthogonal: function() {
+		var prev = this.getPrevious(),
+			next = this.getNext();
+		return prev._handleOut.isZero() && this._handleIn.isZero()
+			&& this._handleOut.isZero() && next._handleIn.isZero()
+			&& this._point.subtract(prev._point).isOrthogonal(
+					next._point.subtract(this._point));
+	},
+
+	isArc: function() {
+		var next = this.getNext(),
+			handle1 = this._handleOut,
+			handle2 = next._handleIn,
+			kappa = 0.5522847498307936;
+		if (handle1.isOrthogonal(handle2)) {
+			var from = this._point,
+				to = next._point,
+				corner = new Line(from, handle1, true).intersect(
+						new Line(to, handle2, true), true);
+			return corner && Numerical.isZero(handle1.getLength() /
+					corner.subtract(from).getLength() - kappa)
+				&& Numerical.isZero(handle2.getLength() /
+					corner.subtract(to).getLength() - kappa);
+		}
+		return false;
+	},
+
+	_selectionState: 0,
+
+	isSelected: function(_point) {
+		var state = this._selectionState;
+		return !_point ? !!(state & 7)
+			: _point === this._point ? !!(state & 4)
+			: _point === this._handleIn ? !!(state & 1)
+			: _point === this._handleOut ? !!(state & 2)
+			: false;
+	},
+
+	setSelected: function(selected, _point) {
+		var path = this._path,
+			selected = !!selected, 
+			state = this._selectionState,
+			oldState = state,
+			flag = !_point ? 7
+					: _point === this._point ? 4
+					: _point === this._handleIn ? 1
+					: _point === this._handleOut ? 2
+					: 0;
+		if (selected) {
+			state |= flag;
+		} else {
+			state &= ~flag;
+		}
+		this._selectionState = state;
+		if (path && state !== oldState) {
+			path._updateSelection(this, oldState, state);
+			path._changed(129);
+		}
+	},
+
+	getIndex: function() {
+		return this._index !== undefined ? this._index : null;
+	},
+
+	getPath: function() {
+		return this._path || null;
+	},
+
+	getCurve: function() {
+		var path = this._path,
+			index = this._index;
+		if (path) {
+			if (index > 0 && !path._closed
+					&& index === path._segments.length - 1)
+				index--;
+			return path.getCurves()[index] || null;
+		}
+		return null;
+	},
+
+	getLocation: function() {
+		var curve = this.getCurve();
+		return curve
+				? new CurveLocation(curve, this === curve._segment1 ? 0 : 1)
+				: null;
+	},
+
+	getNext: function() {
+		var segments = this._path && this._path._segments;
+		return segments && (segments[this._index + 1]
+				|| this._path._closed && segments[0]) || null;
+	},
+
+	getPrevious: function() {
+		var segments = this._path && this._path._segments;
+		return segments && (segments[this._index - 1]
+				|| this._path._closed && segments[segments.length - 1]) || null;
+	},
+
+	reverse: function() {
+		return new Segment(this._point, this._handleOut, this._handleIn);
+	},
+
+	remove: function() {
+		return this._path ? !!this._path.removeSegment(this._index) : false;
+	},
+
+	clone: function() {
+		return new Segment(this._point, this._handleIn, this._handleOut);
+	},
+
+	equals: function(segment) {
+		return segment === this || segment && this._class === segment._class
+				&& this._point.equals(segment._point)
+				&& this._handleIn.equals(segment._handleIn)
+				&& this._handleOut.equals(segment._handleOut)
+				|| false;
+	},
+
+	toString: function() {
+		var parts = [ 'point: ' + this._point ];
+		if (!this._handleIn.isZero())
+			parts.push('handleIn: ' + this._handleIn);
+		if (!this._handleOut.isZero())
+			parts.push('handleOut: ' + this._handleOut);
+		return '{ ' + parts.join(', ') + ' }';
+	},
+
+	transform: function(matrix) {
+		this._transformCoordinates(matrix, new Array(6), true);
+		this._changed();
+	},
+
+	_transformCoordinates: function(matrix, coords, change) {
+		var point = this._point,
+			handleIn =  !change || !this._handleIn.isZero()
+					? this._handleIn : null,
+			handleOut = !change || !this._handleOut.isZero()
+					? this._handleOut : null,
+			x = point._x,
+			y = point._y,
+			i = 2;
+		coords[0] = x;
+		coords[1] = y;
+		if (handleIn) {
+			coords[i++] = handleIn._x + x;
+			coords[i++] = handleIn._y + y;
+		}
+		if (handleOut) {
+			coords[i++] = handleOut._x + x;
+			coords[i++] = handleOut._y + y;
+		}
+		if (matrix) {
+			matrix._transformCoordinates(coords, 0, coords, 0, i / 2);
+			x = coords[0];
+			y = coords[1];
+			if (change) {
+				point._x = x;
+				point._y = y;
+				i  = 2;
+				if (handleIn) {
+					handleIn._x = coords[i++] - x;
+					handleIn._y = coords[i++] - y;
+				}
+				if (handleOut) {
+					handleOut._x = coords[i++] - x;
+					handleOut._y = coords[i++] - y;
+				}
+			} else {
+				if (!handleIn) {
+					coords[i++] = x;
+					coords[i++] = y;
+				}
+				if (!handleOut) {
+					coords[i++] = x;
+					coords[i++] = y;
+				}
+			}
+		}
+		return coords;
+	}
+});
+
+var SegmentPoint = Point.extend({
+	initialize: function SegmentPoint(point, owner, key) {
+		var x, y, selected;
+		if (!point) {
+			x = y = 0;
+		} else if ((x = point[0]) !== undefined) { 
+			y = point[1];
+		} else {
+			var pt = point;
+			if ((x = pt.x) === undefined) {
+				pt = Point.read(arguments);
+				x = pt.x;
+			}
+			y = pt.y;
+			selected = pt.selected;
+		}
+		this._x = x;
+		this._y = y;
+		this._owner = owner;
+		owner[key] = this;
+		if (selected)
+			this.setSelected(true);
+	},
+
+	set: function(x, y) {
+		this._x = x;
+		this._y = y;
+		this._owner._changed(this);
+		return this;
+	},
+
+	_serialize: function(options) {
+		var f = options.formatter,
+			x = f.number(this._x),
+			y = f.number(this._y);
+		return this.isSelected()
+				? { x: x, y: y, selected: true }
+				: [x, y];
+	},
+
+	getX: function() {
+		return this._x;
+	},
+
+	setX: function(x) {
+		this._x = x;
+		this._owner._changed(this);
+	},
+
+	getY: function() {
+		return this._y;
+	},
+
+	setY: function(y) {
+		this._y = y;
+		this._owner._changed(this);
+	},
+
+	isZero: function() {
+		return Numerical.isZero(this._x) && Numerical.isZero(this._y);
+	},
+
+	setSelected: function(selected) {
+		this._owner.setSelected(selected, this);
+	},
+
+	isSelected: function() {
+		return this._owner.isSelected(this);
+	}
+});
+
+var Curve = Base.extend({
+	_class: 'Curve',
+	initialize: function Curve(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
+		var count = arguments.length;
+		if (count === 3) {
+			this._path = arg0;
+			this._segment1 = arg1;
+			this._segment2 = arg2;
+		} else if (count === 0) {
+			this._segment1 = new Segment();
+			this._segment2 = new Segment();
+		} else if (count === 1) {
+			this._segment1 = new Segment(arg0.segment1);
+			this._segment2 = new Segment(arg0.segment2);
+		} else if (count === 2) {
+			this._segment1 = new Segment(arg0);
+			this._segment2 = new Segment(arg1);
+		} else {
+			var point1, handle1, handle2, point2;
+			if (count === 4) {
+				point1 = arg0;
+				handle1 = arg1;
+				handle2 = arg2;
+				point2 = arg3;
+			} else if (count === 8) {
+				point1 = [arg0, arg1];
+				point2 = [arg6, arg7];
+				handle1 = [arg2 - arg0, arg3 - arg1];
+				handle2 = [arg4 - arg6, arg5 - arg7];
+			}
+			this._segment1 = new Segment(point1, null, handle1);
+			this._segment2 = new Segment(point2, handle2, null);
+		}
+	},
+
+	_changed: function() {
+		this._length = this._bounds = undefined;
+	},
+
+	getPoint1: function() {
+		return this._segment1._point;
+	},
+
+	setPoint1: function() {
+		var point = Point.read(arguments);
+		this._segment1._point.set(point.x, point.y);
+	},
+
+	getPoint2: function() {
+		return this._segment2._point;
+	},
+
+	setPoint2: function() {
+		var point = Point.read(arguments);
+		this._segment2._point.set(point.x, point.y);
+	},
+
+	getHandle1: function() {
+		return this._segment1._handleOut;
+	},
+
+	setHandle1: function() {
+		var point = Point.read(arguments);
+		this._segment1._handleOut.set(point.x, point.y);
+	},
+
+	getHandle2: function() {
+		return this._segment2._handleIn;
+	},
+
+	setHandle2: function() {
+		var point = Point.read(arguments);
+		this._segment2._handleIn.set(point.x, point.y);
+	},
+
+	getSegment1: function() {
+		return this._segment1;
+	},
+
+	getSegment2: function() {
+		return this._segment2;
+	},
+
+	getPath: function() {
+		return this._path;
+	},
+
+	getIndex: function() {
+		return this._segment1._index;
+	},
+
+	getNext: function() {
+		var curves = this._path && this._path._curves;
+		return curves && (curves[this._segment1._index + 1]
+				|| this._path._closed && curves[0]) || null;
+	},
+
+	getPrevious: function() {
+		var curves = this._path && this._path._curves;
+		return curves && (curves[this._segment1._index - 1]
+				|| this._path._closed && curves[curves.length - 1]) || null;
+	},
+
+	isSelected: function() {
+		return this.getPoint1().isSelected()
+				&& this.getHandle2().isSelected()
+				&& this.getHandle2().isSelected()
+				&& this.getPoint2().isSelected();
+	},
+
+	setSelected: function(selected) {
+		this.getPoint1().setSelected(selected);
+		this.getHandle1().setSelected(selected);
+		this.getHandle2().setSelected(selected);
+		this.getPoint2().setSelected(selected);
+	},
+
+	getValues: function(matrix) {
+		return Curve.getValues(this._segment1, this._segment2, matrix);
+	},
+
+	getPoints: function() {
+		var coords = this.getValues(),
+			points = [];
+		for (var i = 0; i < 8; i += 2)
+			points.push(new Point(coords[i], coords[i + 1]));
+		return points;
+	},
+
+	getLength: function() {
+		if (this._length == null) {
+			this._length = this.isLinear()
+				? this._segment2._point.getDistance(this._segment1._point)
+				: Curve.getLength(this.getValues(), 0, 1);
+		}
+		return this._length;
+	},
+
+	getArea: function() {
+		return Curve.getArea(this.getValues());
+	},
+
+	getPart: function(from, to) {
+		return new Curve(Curve.getPart(this.getValues(), from, to));
+	},
+
+	getPartLength: function(from, to) {
+		return Curve.getLength(this.getValues(), from, to);
+	},
+
+	isLinear: function() {
+		return this._segment1._handleOut.isZero()
+				&& this._segment2._handleIn.isZero();
+	},
+
+	isHorizontal: function() {
+		return this.isLinear() && Numerical.isZero(
+				this._segment1._point._y - this._segment2._point._y);
+	},
+
+	getIntersections: function(curve) {
+		return Curve.getIntersections(this.getValues(), curve.getValues(),
+				this, curve, []);
+	},
+
+	_getParameter: function(offset, isParameter) {
+		return isParameter
+				? offset
+				: offset && offset.curve === this
+					? offset.parameter
+					: offset === undefined && isParameter === undefined
+						? 0.5 
+						: this.getParameterAt(offset, 0);
+	},
+
+	divide: function(offset, isParameter, ignoreLinear) {
+		var parameter = this._getParameter(offset, isParameter),
+			tolerance = 0.00001,
+			res = null;
+		if (parameter > tolerance && parameter < 1 - tolerance) {
+			var parts = Curve.subdivide(this.getValues(), parameter),
+				isLinear = ignoreLinear ? false : this.isLinear(),
+				left = parts[0],
+				right = parts[1];
+
+			if (!isLinear) {
+				this._segment1._handleOut.set(left[2] - left[0],
+						left[3] - left[1]);
+				this._segment2._handleIn.set(right[4] - right[6],
+						right[5] - right[7]);
+			}
+
+			var x = left[6], y = left[7],
+				segment = new Segment(new Point(x, y),
+						!isLinear && new Point(left[4] - x, left[5] - y),
+						!isLinear && new Point(right[2] - x, right[3] - y));
+
+			if (this._path) {
+				if (this._segment1._index > 0 && this._segment2._index === 0) {
+					this._path.add(segment);
+				} else {
+					this._path.insert(this._segment2._index, segment);
+				}
+				res = this; 
+			} else {
+				var end = this._segment2;
+				this._segment2 = segment;
+				res = new Curve(segment, end);
+			}
+		}
+		return res;
+	},
+
+	split: function(offset, isParameter) {
+		return this._path
+			? this._path.split(this._segment1._index,
+					this._getParameter(offset, isParameter))
+			: null;
+	},
+
+	reverse: function() {
+		return new Curve(this._segment2.reverse(), this._segment1.reverse());
+	},
+
+	remove: function() {
+		var removed = false;
+		if (this._path) {
+			var segment2 = this._segment2,
+				handleOut = segment2._handleOut;
+			removed = segment2.remove();
+			if (removed)
+				this._segment1._handleOut.set(handleOut.x, handleOut.y);
+		}
+		return removed;
+	},
+
+	clone: function() {
+		return new Curve(this._segment1, this._segment2);
+	},
+
+	toString: function() {
+		var parts = [ 'point1: ' + this._segment1._point ];
+		if (!this._segment1._handleOut.isZero())
+			parts.push('handle1: ' + this._segment1._handleOut);
+		if (!this._segment2._handleIn.isZero())
+			parts.push('handle2: ' + this._segment2._handleIn);
+		parts.push('point2: ' + this._segment2._point);
+		return '{ ' + parts.join(', ') + ' }';
+	},
+
+statics: {
+	getValues: function(segment1, segment2, matrix) {
+		var p1 = segment1._point,
+			h1 = segment1._handleOut,
+			h2 = segment2._handleIn,
+			p2 = segment2._point,
+			values = [
+				p1._x, p1._y,
+				p1._x + h1._x, p1._y + h1._y,
+				p2._x + h2._x, p2._y + h2._y,
+				p2._x, p2._y
+			];
+		if (matrix)
+			matrix._transformCoordinates(values, 0, values, 0, 6);
+		return values;
+	},
+
+	evaluate: function(v, t, type) {
+		var p1x = v[0], p1y = v[1],
+			c1x = v[2], c1y = v[3],
+			c2x = v[4], c2y = v[5],
+			p2x = v[6], p2y = v[7],
+			tolerance = 0.00001,
+			x, y;
+
+		if (type === 0 && (t < tolerance || t > 1 - tolerance)) {
+			var isZero = t < tolerance;
+			x = isZero ? p1x : p2x;
+			y = isZero ? p1y : p2y;
+		} else {
+			var cx = 3 * (c1x - p1x),
+				bx = 3 * (c2x - c1x) - cx,
+				ax = p2x - p1x - cx - bx,
+
+				cy = 3 * (c1y - p1y),
+				by = 3 * (c2y - c1y) - cy,
+				ay = p2y - p1y - cy - by;
+			if (type === 0) {
+				x = ((ax * t + bx) * t + cx) * t + p1x;
+				y = ((ay * t + by) * t + cy) * t + p1y;
+			} else {
+				if (t < tolerance && c1x === p1x && c1y === p1y
+						|| t > 1 - tolerance && c2x === p2x && c2y === p2y) {
+					x = p2x - p1x;
+					y = p2y - p1y;
+				} else if (t < tolerance) {
+					x = cx;
+					y = cy;
+				} else if (t > 1 - tolerance) {
+					x = 3 * (p2x - c2x);
+					y = 3 * (p2y - c2y);
+				} else {
+					x = (3 * ax * t + 2 * bx) * t + cx;
+					y = (3 * ay * t + 2 * by) * t + cy;
+				}
+				if (type === 3) {
+					var x2 = 6 * ax * t + 2 * bx,
+						y2 = 6 * ay * t + 2 * by;
+					return (x * y2 - y * x2) / Math.pow(x * x + y * y, 3 / 2);
+				}
+			}
+		}
+		return type === 2 ? new Point(y, -x) : new Point(x, y);
+	},
+
+	subdivide: function(v, t) {
+		var p1x = v[0], p1y = v[1],
+			c1x = v[2], c1y = v[3],
+			c2x = v[4], c2y = v[5],
+			p2x = v[6], p2y = v[7];
+		if (t === undefined)
+			t = 0.5;
+		var u = 1 - t,
+			p3x = u * p1x + t * c1x, p3y = u * p1y + t * c1y,
+			p4x = u * c1x + t * c2x, p4y = u * c1y + t * c2y,
+			p5x = u * c2x + t * p2x, p5y = u * c2y + t * p2y,
+			p6x = u * p3x + t * p4x, p6y = u * p3y + t * p4y,
+			p7x = u * p4x + t * p5x, p7y = u * p4y + t * p5y,
+			p8x = u * p6x + t * p7x, p8y = u * p6y + t * p7y;
+		return [
+			[p1x, p1y, p3x, p3y, p6x, p6y, p8x, p8y], 
+			[p8x, p8y, p7x, p7y, p5x, p5y, p2x, p2y] 
+		];
+	},
+
+	solveCubic: function (v, coord, val, roots, min, max) {
+		var p1 = v[coord],
+			c1 = v[coord + 2],
+			c2 = v[coord + 4],
+			p2 = v[coord + 6],
+			c = 3 * (c1 - p1),
+			b = 3 * (c2 - c1) - c,
+			a = p2 - p1 - c - b;
+		return Numerical.solveCubic(a, b, c, p1 - val, roots, min, max);
+	},
+
+	getParameterOf: function(v, x, y) {
+		var tolerance = 0.00001;
+		if (Math.abs(v[0] - x) < tolerance && Math.abs(v[1] - y) < tolerance)
+			return 0;
+		if (Math.abs(v[6] - x) < tolerance && Math.abs(v[7] - y) < tolerance)
+			return 1;
+		var txs = [],
+			tys = [],
+			sx = Curve.solveCubic(v, 0, x, txs),
+			sy = Curve.solveCubic(v, 1, y, tys),
+			tx, ty;
+		for (var cx = 0;  sx == -1 || cx < sx;) {
+			if (sx == -1 || (tx = txs[cx++]) >= 0 && tx <= 1) {
+				for (var cy = 0; sy == -1 || cy < sy;) {
+					if (sy == -1 || (ty = tys[cy++]) >= 0 && ty <= 1) {
+						if (sx == -1) tx = ty;
+						else if (sy == -1) ty = tx;
+						if (Math.abs(tx - ty) < tolerance)
+							return (tx + ty) * 0.5;
+					}
+				}
+				if (sx == -1)
+					break;
+			}
+		}
+		return null;
+	},
+
+	getPart: function(v, from, to) {
+		if (from > 0)
+			v = Curve.subdivide(v, from)[1]; 
+		if (to < 1)
+			v = Curve.subdivide(v, (to - from) / (1 - from))[0]; 
+		return v;
+	},
+
+	isLinear: function(v) {
+		var isZero = Numerical.isZero;
+		return isZero(v[0] - v[2]) && isZero(v[1] - v[3])
+				&& isZero(v[4] - v[6]) && isZero(v[5] - v[7]);
+	},
+
+	isFlatEnough: function(v, tolerance) {
+		var p1x = v[0], p1y = v[1],
+			c1x = v[2], c1y = v[3],
+			c2x = v[4], c2y = v[5],
+			p2x = v[6], p2y = v[7],
+			ux = 3 * c1x - 2 * p1x - p2x,
+			uy = 3 * c1y - 2 * p1y - p2y,
+			vx = 3 * c2x - 2 * p2x - p1x,
+			vy = 3 * c2y - 2 * p2y - p1y;
+		return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy)
+				< 10 * tolerance * tolerance;
+	},
+
+	getArea: function(v) {
+		var p1x = v[0], p1y = v[1],
+			c1x = v[2], c1y = v[3],
+			c2x = v[4], c2y = v[5],
+			p2x = v[6], p2y = v[7];
+		return (  3.0 * c1y * p1x - 1.5 * c1y * c2x
+				- 1.5 * c1y * p2x - 3.0 * p1y * c1x
+				- 1.5 * p1y * c2x - 0.5 * p1y * p2x
+				+ 1.5 * c2y * p1x + 1.5 * c2y * c1x
+				- 3.0 * c2y * p2x + 0.5 * p2y * p1x
+				+ 1.5 * p2y * c1x + 3.0 * p2y * c2x) / 10;
+	},
+
+	getBounds: function(v) {
+		var min = v.slice(0, 2), 
+			max = min.slice(), 
+			roots = [0, 0];
+		for (var i = 0; i < 2; i++)
+			Curve._addBounds(v[i], v[i + 2], v[i + 4], v[i + 6],
+					i, 0, min, max, roots);
+		return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);
+	},
+
+	_addBounds: function(v0, v1, v2, v3, coord, padding, min, max, roots) {
+		function add(value, padding) {
+			var left = value - padding,
+				right = value + padding;
+			if (left < min[coord])
+				min[coord] = left;
+			if (right > max[coord])
+				max[coord] = right;
+		}
+		var a = 3 * (v1 - v2) - v0 + v3,
+			b = 2 * (v0 + v2) - 4 * v1,
+			c = v1 - v0,
+			count = Numerical.solveQuadratic(a, b, c, roots),
+			tMin = 0.00001,
+			tMax = 1 - tMin;
+		add(v3, 0);
+		for (var i = 0; i < count; i++) {
+			var t = roots[i],
+				u = 1 - t;
+			if (tMin < t && t < tMax)
+				add(u * u * u * v0
+					+ 3 * u * u * t * v1
+					+ 3 * u * t * t * v2
+					+ t * t * t * v3,
+					padding);
+		}
+	}
+}}, Base.each(['getBounds', 'getStrokeBounds', 'getHandleBounds', 'getRoughBounds'],
+	function(name) {
+		this[name] = function() {
+			if (!this._bounds)
+				this._bounds = {};
+			var bounds = this._bounds[name];
+			if (!bounds) {
+				bounds = this._bounds[name] = Path[name]([this._segment1,
+						this._segment2], false, this._path.getStyle());
+			}
+			return bounds.clone();
+		};
+	},
+{
+
+}), Base.each(['getPoint', 'getTangent', 'getNormal', 'getCurvature'],
+	function(name, index) {
+		this[name + 'At'] = function(offset, isParameter) {
+			var values = this.getValues();
+			return Curve.evaluate(values, isParameter
+					? offset : Curve.getParameterAt(values, offset, 0), index);
+		};
+		this[name] = function(parameter) {
+			return Curve.evaluate(this.getValues(), parameter, index);
+		};
+	},
+{
+	getParameterAt: function(offset, start) {
+		return Curve.getParameterAt(this.getValues(), offset,
+				start !== undefined ? start : offset < 0 ? 1 : 0);
+	},
+
+	getParameterOf: function(point) { 
+		var point = Point.read(arguments);
+		return Curve.getParameterOf(this.getValues(), point.x, point.y);
+	},
+
+	getLocationAt: function(offset, isParameter) {
+		if (!isParameter)
+			offset = this.getParameterAt(offset);
+		return new CurveLocation(this, offset);
+	},
+
+	getLocationOf: function(point) { 
+		var point = Point.read(arguments),
+			t = this.getParameterOf(point);
+		return t != null ? new CurveLocation(this, t) : null;
+	},
+
+	getNearestLocation: function(point) { 
+		var point = Point.read(arguments),
+			values = this.getValues(),
+			count = 100,
+			minDist = Infinity,
+			minT = 0;
+
+		function refine(t) {
+			if (t >= 0 && t <= 1) {
+				var dist = point.getDistance(
+						Curve.evaluate(values, t, 0), true);
+				if (dist < minDist) {
+					minDist = dist;
+					minT = t;
+					return true;
+				}
+			}
+		}
+
+		for (var i = 0; i <= count; i++)
+			refine(i / count);
+
+		var step = 1 / (count * 2);
+		while (step > 0.00001) {
+			if (!refine(minT - step) && !refine(minT + step))
+				step /= 2;
+		}
+		var pt = Curve.evaluate(values, minT, 0);
+		return new CurveLocation(this, minT, pt, null, null, null,
+				point.getDistance(pt));
+	},
+
+	getNearestPoint: function(point) {
+		var point = Point.read(arguments);
+		return this.getNearestLocation(point).getPoint();
+	}
+
+}),
+new function() { 
+
+	function getLengthIntegrand(v) {
+		var p1x = v[0], p1y = v[1],
+			c1x = v[2], c1y = v[3],
+			c2x = v[4], c2y = v[5],
+			p2x = v[6], p2y = v[7],
+
+			ax = 9 * (c1x - c2x) + 3 * (p2x - p1x),
+			bx = 6 * (p1x + c2x) - 12 * c1x,
+			cx = 3 * (c1x - p1x),
+
+			ay = 9 * (c1y - c2y) + 3 * (p2y - p1y),
+			by = 6 * (p1y + c2y) - 12 * c1y,
+			cy = 3 * (c1y - p1y);
+
+		return function(t) {
+			var dx = (ax * t + bx) * t + cx,
+				dy = (ay * t + by) * t + cy;
+			return Math.sqrt(dx * dx + dy * dy);
+		};
+	}
+
+	function getIterations(a, b) {
+		return Math.max(2, Math.min(16, Math.ceil(Math.abs(b - a) * 32)));
+	}
+
+	return {
+		statics: true,
+
+		getLength: function(v, a, b) {
+			if (a === undefined)
+				a = 0;
+			if (b === undefined)
+				b = 1;
+			var isZero = Numerical.isZero;
+			if (a === 0 && b === 1
+					&& isZero(v[0] - v[2]) && isZero(v[1] - v[3])
+					&& isZero(v[6] - v[4]) && isZero(v[7] - v[5])) {
+				var dx = v[6] - v[0], 
+					dy = v[7] - v[1]; 
+				return Math.sqrt(dx * dx + dy * dy);
+			}
+			var ds = getLengthIntegrand(v);
+			return Numerical.integrate(ds, a, b, getIterations(a, b));
+		},
+
+		getParameterAt: function(v, offset, start) {
+			if (offset === 0)
+				return start;
+			var forward = offset > 0,
+				a = forward ? start : 0,
+				b = forward ? 1 : start,
+				offset = Math.abs(offset),
+				ds = getLengthIntegrand(v),
+				rangeLength = Numerical.integrate(ds, a, b,
+						getIterations(a, b));
+			if (offset >= rangeLength)
+				return forward ? b : a;
+			var guess = offset / rangeLength,
+				length = 0;
+			function f(t) {
+				var count = getIterations(start, t);
+				length += start < t
+						? Numerical.integrate(ds, start, t, count)
+						: -Numerical.integrate(ds, t, start, count);
+				start = t;
+				return length - offset;
+			}
+			return Numerical.findRoot(f, ds,
+					forward ? a + guess : b - guess, 
+					a, b, 16, 0.00001);
+		}
+	};
+}, new function() { 
+	function addLocation(locations, include, curve1, t1, point1, curve2, t2,
+			point2) {
+		var loc = new CurveLocation(curve1, t1, point1, curve2, t2, point2);
+		if (!include || include(loc))
+			locations.push(loc);
+	}
+
+	function addCurveIntersections(v1, v2, curve1, curve2, locations, include,
+			tMin, tMax, uMin, uMax, oldTDiff, reverse, recursion) {
+		if (recursion > 20)
+			return;
+		var q0x = v2[0], q0y = v2[1], q3x = v2[6], q3y = v2[7],
+			tolerance = 0.00001,
+			hullEpsilon = 1e-9,
+			getSignedDistance = Line.getSignedDistance,
+			d1 = getSignedDistance(q0x, q0y, q3x, q3y, v2[2], v2[3]) || 0,
+			d2 = getSignedDistance(q0x, q0y, q3x, q3y, v2[4], v2[5]) || 0,
+			factor = d1 * d2 > 0 ? 3 / 4 : 4 / 9,
+			dMin = factor * Math.min(0, d1, d2),
+			dMax = factor * Math.max(0, d1, d2),
+			dp0 = getSignedDistance(q0x, q0y, q3x, q3y, v1[0], v1[1]),
+			dp1 = getSignedDistance(q0x, q0y, q3x, q3y, v1[2], v1[3]),
+			dp2 = getSignedDistance(q0x, q0y, q3x, q3y, v1[4], v1[5]),
+			dp3 = getSignedDistance(q0x, q0y, q3x, q3y, v1[6], v1[7]),
+			tMinNew, tMaxNew, tDiff;
+		if (q0x === q3x && uMax - uMin <= hullEpsilon && recursion > 3) {
+			tMinNew = (tMax + tMin) / 2;
+			tMaxNew = tMinNew;
+			tDiff = 0;
+		} else {
+			var hull = getConvexHull(dp0, dp1, dp2, dp3),
+				top = hull[0],
+				bottom = hull[1],
+				tMinClip, tMaxClip;
+			tMinClip = clipConvexHull(top, bottom, dMin, dMax);
+			top.reverse();
+			bottom.reverse();
+			tMaxClip = clipConvexHull(top, bottom, dMin, dMax);
+			if (tMinClip == null || tMaxClip == null)
+				return false;
+			v1 = Curve.getPart(v1, tMinClip, tMaxClip);
+			tDiff = tMaxClip - tMinClip;
+			tMinNew = tMax * tMinClip + tMin * (1 - tMinClip);
+			tMaxNew = tMax * tMaxClip + tMin * (1 - tMaxClip);
+		}
+		if (oldTDiff > 0.8 && tDiff > 0.8) {
+			if (tMaxNew - tMinNew > uMax - uMin) {
+				var parts = Curve.subdivide(v1, 0.5),
+					t = tMinNew + (tMaxNew - tMinNew) / 2;
+				addCurveIntersections(
+					v2, parts[0], curve2, curve1, locations, include,
+					uMin, uMax, tMinNew, t, tDiff, !reverse, ++recursion);
+				addCurveIntersections(
+					v2, parts[1], curve2, curve1, locations, include,
+					uMin, uMax, t, tMaxNew, tDiff, !reverse, recursion);
+			} else {
+				var parts = Curve.subdivide(v2, 0.5),
+					t = uMin + (uMax - uMin) / 2;
+				addCurveIntersections(
+					parts[0], v1, curve2, curve1, locations, include,
+					uMin, t, tMinNew, tMaxNew, tDiff, !reverse, ++recursion);
+				addCurveIntersections(
+					parts[1], v1, curve2, curve1, locations, include,
+					t, uMax, tMinNew, tMaxNew, tDiff, !reverse, recursion);
+			}
+		} else if (Math.max(uMax - uMin, tMaxNew - tMinNew) < tolerance) {
+			var t1 = tMinNew + (tMaxNew - tMinNew) / 2,
+				t2 = uMin + (uMax - uMin) / 2;
+			if (reverse) {
+				addLocation(locations, include,
+						curve2, t2, Curve.evaluate(v2, t2, 0),
+						curve1, t1, Curve.evaluate(v1, t1, 0));
+			} else {
+				addLocation(locations, include,
+						curve1, t1, Curve.evaluate(v1, t1, 0),
+						curve2, t2, Curve.evaluate(v2, t2, 0));
+			}
+		} else { 
+			addCurveIntersections(v2, v1, curve2, curve1, locations, include,
+					uMin, uMax, tMinNew, tMaxNew, tDiff, !reverse, ++recursion);
+		}
+	}
+
+	function getConvexHull(dq0, dq1, dq2, dq3) {
+		var p0 = [ 0, dq0 ],
+			p1 = [ 1 / 3, dq1 ],
+			p2 = [ 2 / 3, dq2 ],
+			p3 = [ 1, dq3 ],
+			getSignedDistance = Line.getSignedDistance,
+			dist1 = getSignedDistance(0, dq0, 1, dq3, 1 / 3, dq1),
+			dist2 = getSignedDistance(0, dq0, 1, dq3, 2 / 3, dq2),
+			flip = false,
+			hull;
+		if (dist1 * dist2 < 0) {
+			hull = [[p0, p1, p3], [p0, p2, p3]];
+			flip = dist1 < 0;
+		} else {
+			var pmax, cross = 0,
+				distZero = dist1 === 0 || dist2 === 0;
+			if (Math.abs(dist1) > Math.abs(dist2)) {
+				pmax = p1;
+				cross = (dq3 - dq2 - (dq3 - dq0) / 3)
+						* (2 * (dq3 - dq2) - dq3 + dq1) / 3;
+			} else {
+				pmax = p2;
+				cross = (dq1 - dq0 + (dq0 - dq3) / 3)
+						* (-2 * (dq0 - dq1) + dq0 - dq2) / 3;
+			}
+			hull = cross < 0 || distZero
+					? [[p0, pmax, p3], [p0, p3]]
+					: [[p0, p1, p2, p3], [p0, p3]];
+			flip = dist1 ? dist1 < 0 : dist2 < 0;
+		}
+		return flip ? hull.reverse() : hull;
+	}
+
+	function clipConvexHull(hullTop, hullBottom, dMin, dMax) {
+		var tProxy,
+			tVal = null,
+			px, py,
+			qx, qy;
+		for (var i = 0, l = hullBottom.length - 1; i < l; i++) {
+			py = hullBottom[i][1];
+			qy = hullBottom[i + 1][1];
+			if (py < qy) {
+				tProxy = null;
+			} else if (qy <= dMax) {
+				px = hullBottom[i][0];
+				qx = hullBottom[i + 1][0];
+				tProxy = px + (dMax  - py) * (qx - px) / (qy - py);
+			} else {
+				continue;
+			}
+			break;
+		}
+		if (hullTop[0][1] <= dMax)
+			tProxy = hullTop[0][0];
+		for (var i = 0, l = hullTop.length - 1; i < l; i++) {
+			py = hullTop[i][1];
+			qy = hullTop[i + 1][1];
+			if (py >= dMin) {
+				tVal = tProxy;
+			} else if (py > qy) {
+				tVal = null;
+			} else if (qy >= dMin) {
+				px = hullTop[i][0];
+				qx = hullTop[i + 1][0];
+				tVal = px + (dMin  - py) * (qx - px) / (qy - py);
+			} else {
+				continue;
+			}
+			break;
+		}
+		return tVal;
+	}
+
+	function addCurveLineIntersections(v1, v2, curve1, curve2, locations,
+			include) {
+		var flip = Curve.isLinear(v1),
+			vc = flip ? v2 : v1,
+			vl = flip ? v1 : v2,
+			lx1 = vl[0], ly1 = vl[1],
+			lx2 = vl[6], ly2 = vl[7],
+			ldx = lx2 - lx1,
+			ldy = ly2 - ly1,
+			angle = Math.atan2(-ldy, ldx),
+			sin = Math.sin(angle),
+			cos = Math.cos(angle),
+			rlx2 = ldx * cos - ldy * sin,
+			rvl = [0, 0, 0, 0, rlx2, 0, rlx2, 0],
+			rvc = [];
+		for(var i = 0; i < 8; i += 2) {
+			var x = vc[i] - lx1,
+				y = vc[i + 1] - ly1;
+			rvc.push(
+				x * cos - y * sin,
+				y * cos + x * sin);
+		}
+		var roots = [],
+			count = Curve.solveCubic(rvc, 1, 0, roots, 0, 1);
+		for (var i = 0; i < count; i++) {
+			var tc = roots[i],
+				x = Curve.evaluate(rvc, tc, 0).x;
+			if (x >= 0 && x <= rlx2) {
+				var tl = Curve.getParameterOf(rvl, x, 0),
+					t1 = flip ? tl : tc,
+					t2 = flip ? tc : tl;
+				addLocation(locations, include,
+						curve1, t1, Curve.evaluate(v1, t1, 0),
+						curve2, t2, Curve.evaluate(v2, t2, 0));
+			}
+		}
+	}
+
+	function addLineIntersection(v1, v2, curve1, curve2, locations, include) {
+		var point = Line.intersect(
+				v1[0], v1[1], v1[6], v1[7],
+				v2[0], v2[1], v2[6], v2[7]);
+		if (point) {
+			var x = point.x,
+				y = point.y;
+			addLocation(locations, include,
+					curve1, Curve.getParameterOf(v1, x, y), point,
+					curve2, Curve.getParameterOf(v2, x, y), point);
+		}
+	}
+
+	return { statics: {
+		getIntersections: function(v1, v2, curve1, curve2, locations, include) {
+			var linear1 = Curve.isLinear(v1),
+				linear2 = Curve.isLinear(v2);
+			(linear1 && linear2
+				? addLineIntersection
+				: linear1 || linear2
+					? addCurveLineIntersections
+					: addCurveIntersections)(
+						v1, v2, curve1, curve2, locations, include,
+						0, 1, 0, 1, 0, false, 0);
+			return locations;
+		}
+	}};
+});
+
+var CurveLocation = Base.extend({
+	_class: 'CurveLocation',
+	beans: true,
+
+	initialize: function CurveLocation(curve, parameter, point, _curve2,
+			_parameter2, _point2, _distance) {
+		this._id = CurveLocation._id = (CurveLocation._id || 0) + 1;
+		this._curve = curve;
+		this._segment1 = curve._segment1;
+		this._segment2 = curve._segment2;
+		this._parameter = parameter;
+		this._point = point;
+		this._curve2 = _curve2;
+		this._parameter2 = _parameter2;
+		this._point2 = _point2;
+		this._distance = _distance;
+	},
+
+	getSegment: function(_preferFirst) {
+		if (!this._segment) {
+			var curve = this.getCurve(),
+				parameter = this.getParameter();
+			if (parameter === 1) {
+				this._segment = curve._segment2;
+			} else if (parameter === 0 || _preferFirst) {
+				this._segment = curve._segment1;
+			} else if (parameter == null) {
+				return null;
+			} else {
+				this._segment = curve.getPartLength(0, parameter)
+					< curve.getPartLength(parameter, 1)
+						? curve._segment1
+						: curve._segment2;
+			}
+		}
+		return this._segment;
+	},
+
+	getCurve: function(_uncached) {
+		if (!this._curve || _uncached) {
+			this._curve = this._segment1.getCurve();
+			if (this._curve.getParameterOf(this._point) == null)
+				this._curve = this._segment2.getPrevious().getCurve();
+		}
+		return this._curve;
+	},
+
+	getIntersection: function() {
+		var intersection = this._intersection;
+		if (!intersection && this._curve2) {
+			var param = this._parameter2;
+			this._intersection = intersection = new CurveLocation(
+					this._curve2, param, this._point2 || this._point, this);
+			intersection._intersection = this;
+		}
+		return intersection;
+	},
+
+	getPath: function() {
+		var curve = this.getCurve();
+		return curve && curve._path;
+	},
+
+	getIndex: function() {
+		var curve = this.getCurve();
+		return curve && curve.getIndex();
+	},
+
+	getOffset: function() {
+		var path = this.getPath();
+		return path && path._getOffset(this);
+	},
+
+	getCurveOffset: function() {
+		var curve = this.getCurve(),
+			parameter = this.getParameter();
+		return parameter != null && curve && curve.getPartLength(0, parameter);
+	},
+
+	getParameter: function(_uncached) {
+		if ((this._parameter == null || _uncached) && this._point) {
+			var curve = this.getCurve(_uncached && this._point);
+			this._parameter = curve && curve.getParameterOf(this._point);
+		}
+		return this._parameter;
+	},
+
+	getPoint: function(_uncached) {
+		if ((!this._point || _uncached) && this._parameter != null) {
+			var curve = this.getCurve();
+			this._point = curve && curve.getPointAt(this._parameter, true);
+		}
+		return this._point;
+	},
+
+	getTangent: function() {
+		var parameter = this.getParameter(),
+			curve = this.getCurve();
+		return parameter != null && curve && curve.getTangentAt(parameter, true);
+	},
+
+	getNormal: function() {
+		var parameter = this.getParameter(),
+			curve = this.getCurve();
+		return parameter != null && curve && curve.getNormalAt(parameter, true);
+	},
+
+	getDistance: function() {
+		return this._distance;
+	},
+
+	divide: function() {
+		var curve = this.getCurve(true);
+		return curve && curve.divide(this.getParameter(true), true);
+	},
+
+	split: function() {
+		var curve = this.getCurve(true);
+		return curve && curve.split(this.getParameter(true), true);
+	},
+
+	equals: function(loc) {
+		var isZero = Numerical.isZero;
+		return this === loc
+				|| loc
+					&& this._curve === loc._curve
+					&& this._curve2 === loc._curve2
+					&& isZero(this._parameter - loc._parameter)
+					&& isZero(this._parameter2 - loc._parameter2)
+				|| false;
+	},
+
+	toString: function() {
+		var parts = [],
+			point = this.getPoint(),
+			f = Formatter.instance;
+		if (point)
+			parts.push('point: ' + point);
+		var index = this.getIndex();
+		if (index != null)
+			parts.push('index: ' + index);
+		var parameter = this.getParameter();
+		if (parameter != null)
+			parts.push('parameter: ' + f.number(parameter));
+		if (this._distance != null)
+			parts.push('distance: ' + f.number(this._distance));
+		return '{ ' + parts.join(', ') + ' }';
+	}
+});
+
+var PathItem = Item.extend({
+	_class: 'PathItem',
+
+	initialize: function PathItem() {
+	},
+
+	getIntersections: function(path, _expand) {
+		if (this === path)
+			path = null;
+		if (path && !this.getBounds().touches(path.getBounds()))
+			return [];
+		var locations = [],
+			curves1 = this.getCurves(),
+			curves2 = path ? path.getCurves() : curves1,
+			matrix1 = this._matrix.orNullIfIdentity(),
+			matrix2 = path ? path._matrix.orNullIfIdentity() : matrix1,
+			length1 = curves1.length,
+			length2 = path ? curves2.length : length1,
+			values2 = [],
+			MIN = 1e-11,
+			MAX = 1 - 1e-11;
+		for (var i = 0; i < length2; i++)
+			values2[i] = curves2[i].getValues(matrix2);
+		for (var i = 0; i < length1; i++) {
+			var curve1 = curves1[i],
+				values1 = path ? curve1.getValues(matrix1) : values2[i];
+			if (!path) {
+				var seg1 = curve1.getSegment1(),
+					seg2 = curve1.getSegment2(),
+					h1 = seg1._handleOut,
+					h2 = seg2._handleIn;
+				if (new Line(seg1._point.subtract(h1), h1.multiply(2), true)
+						.intersect(new Line(seg2._point.subtract(h2),
+						h2.multiply(2), true), false)) {
+					var parts = Curve.subdivide(values1);
+					Curve.getIntersections(
+						parts[0], parts[1], curve1, curve1, locations,
+						function(loc) {
+							if (loc._parameter <= MAX) {
+								loc._parameter /= 2;
+								loc._parameter2 = 0.5 + loc._parameter2 / 2;
+								return true;
+							}
+						}
+					);
+				}
+			}
+			for (var j = path ? 0 : i + 1; j < length2; j++) {
+				Curve.getIntersections(
+					values1, values2[j], curve1, curves2[j], locations,
+					!path && (j === i + 1 || j === length2 - 1 && i === 0)
+						&& function(loc) {
+							var t = loc._parameter;
+							return t >= MIN && t <= MAX;
+						}
+				);
+			}
+		}
+		var last = locations.length - 1;
+		for (var i = last; i >= 0; i--) {
+			var loc = locations[i],
+				next = loc._curve.getNext(),
+				next2 = loc._curve2.getNext();
+			if (next && loc._parameter >= MAX) {
+				loc._parameter = 0;
+				loc._curve = next;
+			}
+			if (next2 && loc._parameter2 >= MAX) {
+				loc._parameter2 = 0;
+				loc._curve2 = next2;
+			}
+		}
+
+		function compare(loc1, loc2) {
+			var path1 = loc1.getPath(),
+				path2 = loc2.getPath();
+			return path1 === path2
+					? (loc1.getIndex() + loc1.getParameter())
+							- (loc2.getIndex() + loc2.getParameter())
+					: path1._id - path2._id;
+		}
+
+		if (last > 0) {
+			locations.sort(compare);
+			for (var i = last; i >= 0; i--) {
+				if (locations[i].equals(locations[i === 0 ? last : i - 1])) {
+					locations.splice(i, 1);
+					last--;
+				}
+			}
+		}
+		if (_expand) {
+			for (var i = last; i >= 0; i--)
+				locations.push(locations[i].getIntersection());
+			locations.sort(compare);
+		}
+		return locations;
+	},
+
+	setPathData: function(data) {
+
+		var parts = data.match(/[mlhvcsqtaz][^mlhvcsqtaz]*/ig),
+			coords,
+			relative = false,
+			previous,
+			control,
+			current = new Point(),
+			start = new Point();
+
+		function getCoord(index, coord) {
+			var val = +coords[index];
+			if (relative)
+				val += current[coord];
+			return val;
+		}
+
+		function getPoint(index) {
+			return new Point(
+				getCoord(index, 'x'),
+				getCoord(index + 1, 'y')
+			);
+		}
+
+		this.clear();
+
+		for (var i = 0, l = parts.length; i < l; i++) {
+			var part = parts[i],
+				command = part[0],
+				lower = command.toLowerCase();
+			coords = part.match(/[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g);
+			var length = coords && coords.length;
+			relative = command === lower;
+			if (previous === 'z' && !/[mz]/.test(lower))
+				this.moveTo(current = start);
+			switch (lower) {
+			case 'm':
+			case 'l':
+				var move = lower === 'm';
+				if (move && previous && previous !== 'z')
+					this.closePath(true);
+				for (var j = 0; j < length; j += 2)
+					this[j === 0 && move ? 'moveTo' : 'lineTo'](
+							current = getPoint(j));
+				control = current;
+				if (move)
+					start = current;
+				break;
+			case 'h':
+			case 'v':
+				var coord = lower === 'h' ? 'x' : 'y';
+				for (var j = 0; j < length; j++) {
+					current[coord] = getCoord(j, coord);
+					this.lineTo(current);
+				}
+				control = current;
+				break;
+			case 'c':
+				for (var j = 0; j < length; j += 6) {
+					this.cubicCurveTo(
+							getPoint(j),
+							control = getPoint(j + 2),
+							current = getPoint(j + 4));
+				}
+				break;
+			case 's':
+				for (var j = 0; j < length; j += 4) {
+					this.cubicCurveTo(
+							/[cs]/.test(previous)
+									? current.multiply(2).subtract(control)
+									: current,
+							control = getPoint(j),
+							current = getPoint(j + 2));
+					previous = lower;
+				}
+				break;
+			case 'q':
+				for (var j = 0; j < length; j += 4) {
+					this.quadraticCurveTo(
+							control = getPoint(j),
+							current = getPoint(j + 2));
+				}
+				break;
+			case 't':
+				for (var j = 0; j < length; j += 2) {
+					this.quadraticCurveTo(
+							control = (/[qt]/.test(previous)
+									? current.multiply(2).subtract(control)
+									: current),
+							current = getPoint(j));
+					previous = lower;
+				}
+				break;
+			case 'a':
+				for (var j = 0; j < length; j += 7) {
+					this.arcTo(current = getPoint(j + 5),
+							new Size(+coords[0], +coords[1]),
+							+coords[2], +coords[4], +coords[3]);
+				}
+				break;
+			case 'z':
+				this.closePath(true);
+				break;
+			}
+			previous = lower;
+		}
+	},
+
+	_canComposite: function() {
+		return !(this.hasFill() && this.hasStroke());
+	},
+
+	_contains: function(point) {
+		var winding = this._getWinding(point, false, true);
+		return !!(this.getWindingRule() === 'evenodd' ? winding & 1 : winding);
+	}
+
+});
+
+var Path = PathItem.extend({
+	_class: 'Path',
+	_serializeFields: {
+		segments: [],
+		closed: false
+	},
+
+	initialize: function Path(arg) {
+		this._closed = false;
+		this._segments = [];
+		var segments = Array.isArray(arg)
+			? typeof arg[0] === 'object'
+				? arg
+				: arguments
+			: arg && (arg.size === undefined && (arg.x !== undefined
+					|| arg.point !== undefined))
+				? arguments
+				: null;
+		if (segments && segments.length > 0) {
+			this.setSegments(segments);
+		} else {
+			this._curves = undefined; 
+			this._selectedSegmentState = 0;
+			if (!segments && typeof arg === 'string') {
+				this.setPathData(arg);
+				arg = null;
+			}
+		}
+		this._initialize(!segments && arg);
+	},
+
+	_equals: function(item) {
+		return Base.equals(this._segments, item._segments);
+	},
+
+	clone: function(insert) {
+		var copy = new Path(Item.NO_INSERT);
+		copy.setSegments(this._segments);
+		copy._closed = this._closed;
+		if (this._clockwise !== undefined)
+			copy._clockwise = this._clockwise;
+		return this._clone(copy, insert);
+	},
+
+	_changed: function _changed(flags) {
+		_changed.base.call(this, flags);
+		if (flags & 8) {
+			var parent = this._parent;
+			if (parent)
+				parent._currentPath = undefined;
+			this._length = this._clockwise = undefined;
+			if (this._curves && !(flags & 16)) {
+				for (var i = 0, l = this._curves.length; i < l; i++)
+					this._curves[i]._changed();
+			}
+			this._monoCurves = undefined;
+		} else if (flags & 32) {
+			this._bounds = undefined;
+		}
+	},
+
+	getStyle: function() {
+		var parent = this._parent;
+		return (parent instanceof CompoundPath ? parent : this)._style;
+	},
+
+	getSegments: function() {
+		return this._segments;
+	},
+
+	setSegments: function(segments) {
+		var fullySelected = this.isFullySelected();
+		this._segments.length = 0;
+		this._selectedSegmentState = 0;
+		this._curves = undefined;
+		if (segments && segments.length > 0)
+			this._add(Segment.readAll(segments));
+		if (fullySelected)
+			this.setFullySelected(true);
+	},
+
+	getFirstSegment: function() {
+		return this._segments[0];
+	},
+
+	getLastSegment: function() {
+		return this._segments[this._segments.length - 1];
+	},
+
+	getCurves: function() {
+		var curves = this._curves,
+			segments = this._segments;
+		if (!curves) {
+			var length = this._countCurves();
+			curves = this._curves = new Array(length);
+			for (var i = 0; i < length; i++)
+				curves[i] = new Curve(this, segments[i],
+					segments[i + 1] || segments[0]);
+		}
+		return curves;
+	},
+
+	getFirstCurve: function() {
+		return this.getCurves()[0];
+	},
+
+	getLastCurve: function() {
+		var curves = this.getCurves();
+		return curves[curves.length - 1];
+	},
+
+	isClosed: function() {
+		return this._closed;
+	},
+
+	setClosed: function(closed) {
+		if (this._closed != (closed = !!closed)) {
+			this._closed = closed;
+			if (this._curves) {
+				var length = this._curves.length = this._countCurves();
+				if (closed)
+					this._curves[length - 1] = new Curve(this,
+						this._segments[length - 1], this._segments[0]);
+			}
+			this._changed(25);
+		}
+	}
+}, {
+	beans: true,
+
+	getPathData: function(_precision) {
+		var segments = this._segments,
+			f = Formatter.instance,
+			parts = [];
+
+		function addCurve(seg1, seg2, skipLine) {
+			var point1 = seg1._point,
+				point2 = seg2._point,
+				handle1 = seg1._handleOut,
+				handle2 = seg2._handleIn;
+			if (handle1.isZero() && handle2.isZero()) {
+				if (!skipLine) {
+					parts.push('L' + f.point(point2, _precision));
+				}
+			} else {
+				var end = point2.subtract(point1);
+				parts.push('c' + f.point(handle1, _precision)
+						+ ' ' + f.point(end.add(handle2), _precision)
+						+ ' ' + f.point(end, _precision));
+			}
+		}
+
+		if (segments.length === 0)
+			return '';
+		parts.push('M' + f.point(segments[0]._point));
+		for (var i = 0, l = segments.length  - 1; i < l; i++)
+			addCurve(segments[i], segments[i + 1], false);
+		if (this._closed) {
+			addCurve(segments[segments.length - 1], segments[0], true);
+			parts.push('z');
+		}
+		return parts.join('');
+	}
+}, {
+
+	isEmpty: function() {
+		return this._segments.length === 0;
+	},
+
+	isPolygon: function() {
+		for (var i = 0, l = this._segments.length; i < l; i++) {
+			if (!this._segments[i].isLinear())
+				return false;
+		}
+		return true;
+	},
+
+	_transformContent: function(matrix) {
+		var coords = new Array(6);
+		for (var i = 0, l = this._segments.length; i < l; i++)
+			this._segments[i]._transformCoordinates(matrix, coords, true);
+		return true;
+	},
+
+	_add: function(segs, index) {
+		var segments = this._segments,
+			curves = this._curves,
+			amount = segs.length,
+			append = index == null,
+			index = append ? segments.length : index;
+		for (var i = 0; i < amount; i++) {
+			var segment = segs[i];
+			if (segment._path)
+				segment = segs[i] = segment.clone();
+			segment._path = this;
+			segment._index = index + i;
+			if (segment._selectionState)
+				this._updateSelection(segment, 0, segment._selectionState);
+		}
+		if (append) {
+			segments.push.apply(segments, segs);
+		} else {
+			segments.splice.apply(segments, [index, 0].concat(segs));
+			for (var i = index + amount, l = segments.length; i < l; i++)
+				segments[i]._index = i;
+		}
+		if (curves || segs._curves) {
+			if (!curves)
+				curves = this._curves = [];
+			var from = index > 0 ? index - 1 : index,
+				start = from,
+				to = Math.min(from + amount, this._countCurves());
+			if (segs._curves) {
+				curves.splice.apply(curves, [from, 0].concat(segs._curves));
+				start += segs._curves.length;
+			}
+			for (var i = start; i < to; i++)
+				curves.splice(i, 0, new Curve(this, null, null));
+			this._adjustCurves(from, to);
+		}
+		this._changed(25);
+		return segs;
+	},
+
+	_adjustCurves: function(from, to) {
+		var segments = this._segments,
+			curves = this._curves,
+			curve;
+		for (var i = from; i < to; i++) {
+			curve = curves[i];
+			curve._path = this;
+			curve._segment1 = segments[i];
+			curve._segment2 = segments[i + 1] || segments[0];
+		}
+		if (curve = curves[this._closed && from === 0 ? segments.length - 1
+				: from - 1])
+			curve._segment2 = segments[from] || segments[0];
+		if (curve = curves[to])
+			curve._segment1 = segments[to];
+	},
+
+	_countCurves: function() {
+		var length = this._segments.length;
+		return !this._closed && length > 0 ? length - 1 : length;
+	},
+
+	add: function(segment1 ) {
+		return arguments.length > 1 && typeof segment1 !== 'number'
+			? this._add(Segment.readAll(arguments))
+			: this._add([ Segment.read(arguments) ])[0];
+	},
+
+	insert: function(index, segment1 ) {
+		return arguments.length > 2 && typeof segment1 !== 'number'
+			? this._add(Segment.readAll(arguments, 1), index)
+			: this._add([ Segment.read(arguments, 1) ], index)[0];
+	},
+
+	addSegment: function() {
+		return this._add([ Segment.read(arguments) ])[0];
+	},
+
+	insertSegment: function(index ) {
+		return this._add([ Segment.read(arguments, 1) ], index)[0];
+	},
+
+	addSegments: function(segments) {
+		return this._add(Segment.readAll(segments));
+	},
+
+	insertSegments: function(index, segments) {
+		return this._add(Segment.readAll(segments), index);
+	},
+
+	removeSegment: function(index) {
+		return this.removeSegments(index, index + 1)[0] || null;
+	},
+
+	removeSegments: function(from, to, _includeCurves) {
+		from = from || 0;
+		to = Base.pick(to, this._segments.length);
+		var segments = this._segments,
+			curves = this._curves,
+			count = segments.length, 
+			removed = segments.splice(from, to - from),
+			amount = removed.length;
+		if (!amount)
+			return removed;
+		for (var i = 0; i < amount; i++) {
+			var segment = removed[i];
+			if (segment._selectionState)
+				this._updateSelection(segment, segment._selectionState, 0);
+			segment._index = segment._path = null;
+		}
+		for (var i = from, l = segments.length; i < l; i++)
+			segments[i]._index = i;
+		if (curves) {
+			var index = from > 0 && to === count + (this._closed ? 1 : 0)
+					? from - 1
+					: from,
+				curves = curves.splice(index, amount);
+			if (_includeCurves)
+				removed._curves = curves.slice(1);
+			this._adjustCurves(index, index);
+		}
+		this._changed(25);
+		return removed;
+	},
+
+	clear: '#removeSegments',
+
+	isFullySelected: function() {
+		var length = this._segments.length;
+		return this._selected && length > 0 && this._selectedSegmentState
+				=== length * 7;
+	},
+
+	setFullySelected: function(selected) {
+		if (selected)
+			this._selectSegments(true);
+		this.setSelected(selected);
+	},
+
+	setSelected: function setSelected(selected) {
+		if (!selected)
+			this._selectSegments(false);
+		setSelected.base.call(this, selected);
+	},
+
+	_selectSegments: function(selected) {
+		var length = this._segments.length;
+		this._selectedSegmentState = selected
+				? length * 7 : 0;
+		for (var i = 0; i < length; i++)
+			this._segments[i]._selectionState = selected
+					? 7 : 0;
+	},
+
+	_updateSelection: function(segment, oldState, newState) {
+		segment._selectionState = newState;
+		var total = this._selectedSegmentState += newState - oldState;
+		if (total > 0)
+			this.setSelected(true);
+	},
+
+	flatten: function(maxDistance) {
+		var flattener = new PathFlattener(this),
+			pos = 0,
+			step = flattener.length / Math.ceil(flattener.length / maxDistance),
+			end = flattener.length + (this._closed ? -step : step) / 2;
+		var segments = [];
+		while (pos <= end) {
+			segments.push(new Segment(flattener.evaluate(pos, 0)));
+			pos += step;
+		}
+		this.setSegments(segments);
+	},
+
+	reduce: function() {
+		var curves = this.getCurves();
+		for (var i = curves.length - 1; i >= 0; i--) {
+			var curve = curves[i];
+			if (curve.isLinear() && curve.getLength() === 0)
+				curve.remove();
+		}
+		return this;
+	},
+
+	simplify: function(tolerance) {
+		if (this._segments.length > 2) {
+			var fitter = new PathFitter(this, tolerance || 2.5);
+			this.setSegments(fitter.fit());
+		}
+	},
+
+	split: function(index, parameter) {
+		if (parameter === null)
+			return;
+		if (arguments.length === 1) {
+			var arg = index;
+			if (typeof arg === 'number')
+				arg = this.getLocationAt(arg);
+			index = arg.index;
+			parameter = arg.parameter;
+		}
+		var tolerance = 0.00001;
+		if (parameter >= 1 - tolerance) {
+			index++;
+			parameter--;
+		}
+		var curves = this.getCurves();
+		if (index >= 0 && index < curves.length) {
+			if (parameter > tolerance) {
+				curves[index++].divide(parameter, true);
+			}
+			var segs = this.removeSegments(index, this._segments.length, true),
+				path;
+			if (this._closed) {
+				this.setClosed(false);
+				path = this;
+			} else if (index > 0) {
+				path = this._clone(new Path().insertAbove(this, true));
+			}
+			path._add(segs, 0);
+			this.addSegment(segs[0]);
+			return path;
+		}
+		return null;
+	},
+
+	isClockwise: function() {
+		if (this._clockwise !== undefined)
+			return this._clockwise;
+		return Path.isClockwise(this._segments);
+	},
+
+	setClockwise: function(clockwise) {
+		if (this.isClockwise() != (clockwise = !!clockwise))
+			this.reverse();
+		this._clockwise = clockwise;
+	},
+
+	reverse: function() {
+		this._segments.reverse();
+		for (var i = 0, l = this._segments.length; i < l; i++) {
+			var segment = this._segments[i];
+			var handleIn = segment._handleIn;
+			segment._handleIn = segment._handleOut;
+			segment._handleOut = handleIn;
+			segment._index = i;
+		}
+		this._curves = null;
+		if (this._clockwise !== undefined)
+			this._clockwise = !this._clockwise;
+	},
+
+	join: function(path) {
+		if (path) {
+			var segments = path._segments,
+				last1 = this.getLastSegment(),
+				last2 = path.getLastSegment();
+			if (last1._point.equals(last2._point))
+				path.reverse();
+			var first1,
+				first2 = path.getFirstSegment();
+			if (last1._point.equals(first2._point)) {
+				last1.setHandleOut(first2._handleOut);
+				this._add(segments.slice(1));
+			} else {
+				first1 = this.getFirstSegment();
+				if (first1._point.equals(first2._point))
+					path.reverse();
+				last2 = path.getLastSegment();
+				if (first1._point.equals(last2._point)) {
+					first1.setHandleIn(last2._handleIn);
+					this._add(segments.slice(0, segments.length - 1), 0);
+				} else {
+					this._add(segments.slice());
+				}
+			}
+			if (path.closed)
+				this._add([segments[0]]);
+			path.remove();
+		}
+		var first = this.getFirstSegment(),
+			last = this.getLastSegment();
+		if (first !== last && first._point.equals(last._point)) {
+			first.setHandleIn(last._handleIn);
+			last.remove();
+			this.setClosed(true);
+		}
+	},
+
+	getLength: function() {
+		if (this._length == null) {
+			var curves = this.getCurves();
+			this._length = 0;
+			for (var i = 0, l = curves.length; i < l; i++)
+				this._length += curves[i].getLength();
+		}
+		return this._length;
+	},
+
+	getArea: function() {
+		var curves = this.getCurves();
+		var area = 0;
+		for (var i = 0, l = curves.length; i < l; i++)
+			area += curves[i].getArea();
+		return area;
+	},
+
+	_getOffset: function(location) {
+		var index = location && location.getIndex();
+		if (index != null) {
+			var curves = this.getCurves(),
+				offset = 0;
+			for (var i = 0; i < index; i++)
+				offset += curves[i].getLength();
+			var curve = curves[index],
+				parameter = location.getParameter();
+			if (parameter > 0)
+				offset += curve.getPartLength(0, parameter);
+			return offset;
+		}
+		return null;
+	},
+
+	getLocationOf: function(point) { 
+		var point = Point.read(arguments),
+			curves = this.getCurves();
+		for (var i = 0, l = curves.length; i < l; i++) {
+			var loc = curves[i].getLocationOf(point);
+			if (loc)
+				return loc;
+		}
+		return null;
+	},
+
+	getLocationAt: function(offset, isParameter) {
+		var curves = this.getCurves(),
+			length = 0;
+		if (isParameter) {
+			var index = ~~offset; 
+			return curves[index].getLocationAt(offset - index, true);
+		}
+		for (var i = 0, l = curves.length; i < l; i++) {
+			var start = length,
+				curve = curves[i];
+			length += curve.getLength();
+			if (length > offset) {
+				return curve.getLocationAt(offset - start);
+			}
+		}
+		if (offset <= this.getLength())
+			return new CurveLocation(curves[curves.length - 1], 1);
+		return null;
+	},
+
+	getPointAt: function(offset, isParameter) {
+		var loc = this.getLocationAt(offset, isParameter);
+		return loc && loc.getPoint();
+	},
+
+	getTangentAt: function(offset, isParameter) {
+		var loc = this.getLocationAt(offset, isParameter);
+		return loc && loc.getTangent();
+	},
+
+	getNormalAt: function(offset, isParameter) {
+		var loc = this.getLocationAt(offset, isParameter);
+		return loc && loc.getNormal();
+	},
+
+	getNearestLocation: function(point) { 
+		var point = Point.read(arguments),
+			curves = this.getCurves(),
+			minDist = Infinity,
+			minLoc = null;
+		for (var i = 0, l = curves.length; i < l; i++) {
+			var loc = curves[i].getNearestLocation(point);
+			if (loc._distance < minDist) {
+				minDist = loc._distance;
+				minLoc = loc;
+			}
+		}
+		return minLoc;
+	},
+
+	getNearestPoint: function(point) { 
+		var point = Point.read(arguments);
+		return this.getNearestLocation(point).getPoint();
+	},
+
+	toShape: function(insert) {
+		if (!this._closed)
+			return null;
+
+		var segments = this._segments,
+			type,
+			size,
+			radius,
+			topCenter;
+
+		function isColinear(i, j) {
+			return segments[i].isColinear(segments[j]);
+		}
+
+		function isOrthogonal(i) {
+			return segments[i].isOrthogonal();
+		}
+
+		function isArc(i) {
+			return segments[i].isArc();
+		}
+
+		function getDistance(i, j) {
+			return segments[i]._point.getDistance(segments[j]._point);
+		}
+
+		if (this.isPolygon() && segments.length === 4
+				&& isColinear(0, 2) && isColinear(1, 3) && isOrthogonal(1)) {
+			type = Shape.Rectangle;
+			size = new Size(getDistance(0, 3), getDistance(0, 1));
+			topCenter = segments[1]._point.add(segments[2]._point).divide(2);
+		} else if (segments.length === 8 && isArc(0) && isArc(2) && isArc(4)
+				&& isArc(6) && isColinear(1, 5) && isColinear(3, 7)) {
+			type = Shape.Rectangle;
+			size = new Size(getDistance(1, 6), getDistance(0, 3));
+			radius = size.subtract(new Size(getDistance(0, 7),
+					getDistance(1, 2))).divide(2);
+			topCenter = segments[3]._point.add(segments[4]._point).divide(2);
+		} else if (segments.length === 4
+				&& isArc(0) && isArc(1) && isArc(2) && isArc(3)) {
+			if (Numerical.isZero(getDistance(0, 2) - getDistance(1, 3))) {
+				type = Shape.Circle;
+				radius = getDistance(0, 2) / 2;
+			} else {
+				type = Shape.Ellipse;
+				radius = new Size(getDistance(2, 0) / 2, getDistance(3, 1) / 2);
+			}
+			topCenter = segments[1]._point;
+		}
+
+		if (type) {
+			var center = this.getPosition(true),
+				shape = new type({
+					center: center,
+					size: size,
+					radius: radius,
+					insert: false
+				});
+			shape.rotate(topCenter.subtract(center).getAngle() + 90);
+			shape.setStyle(this._style);
+			if (insert || insert === undefined)
+				shape.insertAbove(this);
+			return shape;
+		}
+		return null;
+	},
+
+	_hitTest: function(point, options) {
+		var that = this,
+			style = this.getStyle(),
+			segments = this._segments,
+			numSegments = segments.length,
+			closed = this._closed,
+			tolerancePadding = options._tolerancePadding,
+			strokePadding = tolerancePadding,
+			join, cap, miterLimit,
+			area, loc, res,
+			hasStroke = options.stroke && style.hasStroke(),
+			hasFill = options.fill && style.hasFill(),
+			radius = hasStroke ? style.getStrokeWidth() / 2
+					: hasFill ? 0 : null;
+		if (radius != null) {
+			if (radius > 0) {
+				join = style.getStrokeJoin();
+				cap = style.getStrokeCap();
+				miterLimit = radius * style.getMiterLimit();
+				strokePadding = tolerancePadding.add(new Point(radius, radius));
+			} else {
+				join = cap = 'round';
+			}
+		}
+
+		function isCloseEnough(pt, padding) {
+			return point.subtract(pt).divide(padding).length <= 1;
+		}
+
+		function checkSegmentPoint(seg, pt, name) {
+			if (!options.selected || pt.isSelected()) {
+				var anchor = seg._point;
+				if (pt !== anchor)
+					pt = pt.add(anchor);
+				if (isCloseEnough(pt, strokePadding)) {
+					return new HitResult(name, that, {
+						segment: seg,
+						point: pt
+					});
+				}
+			}
+		}
+
+		function checkSegmentPoints(seg, ends) {
+			return (ends || options.segments)
+				&& checkSegmentPoint(seg, seg._point, 'segment')
+				|| (!ends && options.handles) && (
+					checkSegmentPoint(seg, seg._handleIn, 'handle-in') ||
+					checkSegmentPoint(seg, seg._handleOut, 'handle-out'));
+		}
+
+		function addToArea(point) {
+			area.add(point);
+		}
+
+		function checkSegmentStroke(segment) {
+			if (join !== 'round' || cap !== 'round') {
+				area = new Path({ internal: true, closed: true });
+				if (closed || segment._index > 0
+						&& segment._index < numSegments - 1) {
+					if (join !== 'round' && (segment._handleIn.isZero()
+							|| segment._handleOut.isZero()))
+						Path._addBevelJoin(segment, join, radius, miterLimit,
+								addToArea, true);
+				} else if (cap !== 'round') {
+					Path._addSquareCap(segment, cap, radius, addToArea, true);
+				}
+				if (!area.isEmpty()) {
+					var loc;
+					return area.contains(point)
+						|| (loc = area.getNearestLocation(point))
+							&& isCloseEnough(loc.getPoint(), tolerancePadding);
+				}
+			}
+			return isCloseEnough(segment._point, strokePadding);
+		}
+
+		if (options.ends && !options.segments && !closed) {
+			if (res = checkSegmentPoints(segments[0], true)
+					|| checkSegmentPoints(segments[numSegments - 1], true))
+				return res;
+		} else if (options.segments || options.handles) {
+			for (var i = 0; i < numSegments; i++)
+				if (res = checkSegmentPoints(segments[i]))
+					return res;
+		}
+		if (radius != null) {
+			loc = this.getNearestLocation(point);
+			if (loc) {
+				var parameter = loc.getParameter();
+				if (parameter === 0 || parameter === 1 && numSegments > 1) {
+					if (!checkSegmentStroke(loc.getSegment()))
+						loc = null;
+				} else  if (!isCloseEnough(loc.getPoint(), strokePadding)) {
+					loc = null;
+				}
+			}
+			if (!loc && join === 'miter' && numSegments > 1) {
+				for (var i = 0; i < numSegments; i++) {
+					var segment = segments[i];
+					if (point.getDistance(segment._point) <= miterLimit
+							&& checkSegmentStroke(segment)) {
+						loc = segment.getLocation();
+						break;
+					}
+				}
+			}
+		}
+		return !loc && hasFill && this._contains(point) || loc && !hasStroke
+				? new HitResult('fill', this)
+				: loc
+					? new HitResult('stroke', this, {
+						location: loc,
+						point: loc.getPoint()
+					})
+					: null;
+	}
+
+}, new function() { 
+
+	function drawHandles(ctx, segments, matrix, size) {
+		var half = size / 2;
+
+		function drawHandle(index) {
+			var hX = coords[index],
+				hY = coords[index + 1];
+			if (pX != hX || pY != hY) {
+				ctx.beginPath();
+				ctx.moveTo(pX, pY);
+				ctx.lineTo(hX, hY);
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.arc(hX, hY, half, 0, Math.PI * 2, true);
+				ctx.fill();
+			}
+		}
+
+		var coords = new Array(6);
+		for (var i = 0, l = segments.length; i < l; i++) {
+			var segment = segments[i];
+			segment._transformCoordinates(matrix, coords, false);
+			var state = segment._selectionState,
+				pX = coords[0],
+				pY = coords[1];
+			if (state & 1)
+				drawHandle(2);
+			if (state & 2)
+				drawHandle(4);
+			ctx.fillRect(pX - half, pY - half, size, size);
+			if (!(state & 4)) {
+				var fillStyle = ctx.fillStyle;
+				ctx.fillStyle = '#ffffff';
+				ctx.fillRect(pX - half + 1, pY - half + 1, size - 2, size - 2);
+				ctx.fillStyle = fillStyle;
+			}
+		}
+	}
+
+	function drawSegments(ctx, path, matrix) {
+		var segments = path._segments,
+			length = segments.length,
+			coords = new Array(6),
+			first = true,
+			curX, curY,
+			prevX, prevY,
+			inX, inY,
+			outX, outY;
+
+		function drawSegment(i) {
+			var segment = segments[i];
+			if (matrix) {
+				segment._transformCoordinates(matrix, coords, false);
+				curX = coords[0];
+				curY = coords[1];
+			} else {
+				var point = segment._point;
+				curX = point._x;
+				curY = point._y;
+			}
+			if (first) {
+				ctx.moveTo(curX, curY);
+				first = false;
+			} else {
+				if (matrix) {
+					inX = coords[2];
+					inY = coords[3];
+				} else {
+					var handle = segment._handleIn;
+					inX = curX + handle._x;
+					inY = curY + handle._y;
+				}
+				if (inX == curX && inY == curY && outX == prevX && outY == prevY) {
+					ctx.lineTo(curX, curY);
+				} else {
+					ctx.bezierCurveTo(outX, outY, inX, inY, curX, curY);
+				}
+			}
+			prevX = curX;
+			prevY = curY;
+			if (matrix) {
+				outX = coords[4];
+				outY = coords[5];
+			} else {
+				var handle = segment._handleOut;
+				outX = prevX + handle._x;
+				outY = prevY + handle._y;
+			}
+		}
+
+		for (var i = 0; i < length; i++)
+			drawSegment(i);
+		if (path._closed && length > 0)
+			drawSegment(0);
+	}
+
+	return {
+		_draw: function(ctx, param) {
+			var dontStart = param.dontStart,
+				dontPaint = param.dontFinish || param.clip;
+			if (!dontStart)
+				ctx.beginPath();
+
+			var style = this.getStyle(),
+				hasFill = style.hasFill(),
+				hasStroke = style.hasStroke(),
+				dashArray = style.getDashArray(),
+				dashLength = !paper.support.nativeDash && hasStroke
+						&& dashArray && dashArray.length;
+
+			function getOffset(i) {
+				return dashArray[((i % dashLength) + dashLength) % dashLength];
+			}
+
+			if (!dontStart && this._currentPath) {
+				ctx.currentPath = this._currentPath;
+			} else if (hasFill || hasStroke && !dashLength || dontPaint) {
+				drawSegments(ctx, this);
+				if (this._closed)
+					ctx.closePath();
+				if (!dontStart)
+					this._currentPath = ctx.currentPath;
+			}
+
+			if (!dontPaint && (hasFill || hasStroke)) {
+				this._setStyles(ctx);
+				if (hasFill) {
+					ctx.fill(style.getWindingRule());
+					ctx.shadowColor = 'rgba(0,0,0,0)';
+				}
+				if (hasStroke) {
+					if (dashLength) {
+						if (!dontStart)
+							ctx.beginPath();
+						var flattener = new PathFlattener(this),
+							length = flattener.length,
+							from = -style.getDashOffset(), to,
+							i = 0;
+						from = from % length;
+						while (from > 0) {
+							from -= getOffset(i--) + getOffset(i--);
+						}
+						while (from < length) {
+							to = from + getOffset(i++);
+							if (from > 0 || to > 0)
+								flattener.drawPart(ctx,
+										Math.max(from, 0), Math.max(to, 0));
+							from = to + getOffset(i++);
+						}
+					}
+					ctx.stroke();
+				}
+			}
+		},
+
+		_drawSelected: function(ctx, matrix) {
+			ctx.beginPath();
+			drawSegments(ctx, this, matrix);
+			ctx.stroke();
+			drawHandles(ctx, this._segments, matrix, paper.settings.handleSize);
+		}
+	};
+}, new function() { 
+
+	function getFirstControlPoints(rhs) {
+		var n = rhs.length,
+			x = [], 
+			tmp = [], 
+			b = 2;
+		x[0] = rhs[0] / b;
+		for (var i = 1; i < n; i++) {
+			tmp[i] = 1 / b;
+			b = (i < n - 1 ? 4 : 2) - tmp[i];
+			x[i] = (rhs[i] - x[i - 1]) / b;
+		}
+		for (var i = 1; i < n; i++) {
+			x[n - i - 1] -= tmp[n - i] * x[n - i];
+		}
+		return x;
+	}
+
+	return {
+		smooth: function() {
+			var segments = this._segments,
+				size = segments.length,
+				closed = this._closed,
+				n = size,
+				overlap = 0;
+			if (size <= 2)
+				return;
+			if (closed) {
+				overlap = Math.min(size, 4);
+				n += Math.min(size, overlap) * 2;
+			}
+			var knots = [];
+			for (var i = 0; i < size; i++)
+				knots[i + overlap] = segments[i]._point;
+			if (closed) {
+				for (var i = 0; i < overlap; i++) {
+					knots[i] = segments[i + size - overlap]._point;
+					knots[i + size + overlap] = segments[i]._point;
+				}
+			} else {
+				n--;
+			}
+			var rhs = [];
+
+			for (var i = 1; i < n - 1; i++)
+				rhs[i] = 4 * knots[i]._x + 2 * knots[i + 1]._x;
+			rhs[0] = knots[0]._x + 2 * knots[1]._x;
+			rhs[n - 1] = 3 * knots[n - 1]._x;
+			var x = getFirstControlPoints(rhs);
+
+			for (var i = 1; i < n - 1; i++)
+				rhs[i] = 4 * knots[i]._y + 2 * knots[i + 1]._y;
+			rhs[0] = knots[0]._y + 2 * knots[1]._y;
+			rhs[n - 1] = 3 * knots[n - 1]._y;
+			var y = getFirstControlPoints(rhs);
+
+			if (closed) {
+				for (var i = 0, j = size; i < overlap; i++, j++) {
+					var f1 = i / overlap,
+						f2 = 1 - f1,
+						ie = i + overlap,
+						je = j + overlap;
+					x[j] = x[i] * f1 + x[j] * f2;
+					y[j] = y[i] * f1 + y[j] * f2;
+					x[je] = x[ie] * f2 + x[je] * f1;
+					y[je] = y[ie] * f2 + y[je] * f1;
+				}
+				n--;
+			}
+			var handleIn = null;
+			for (var i = overlap; i <= n - overlap; i++) {
+				var segment = segments[i - overlap];
+				if (handleIn)
+					segment.setHandleIn(handleIn.subtract(segment._point));
+				if (i < n) {
+					segment.setHandleOut(
+							new Point(x[i], y[i]).subtract(segment._point));
+					handleIn = i < n - 1
+							? new Point(
+								2 * knots[i + 1]._x - x[i + 1],
+								2 * knots[i + 1]._y - y[i + 1])
+							: new Point(
+								(knots[n]._x + x[n - 1]) / 2,
+								(knots[n]._y + y[n - 1]) / 2);
+				}
+			}
+			if (closed && handleIn) {
+				var segment = this._segments[0];
+				segment.setHandleIn(handleIn.subtract(segment._point));
+			}
+		}
+	};
+}, new function() { 
+	function getCurrentSegment(that) {
+		var segments = that._segments;
+		if (segments.length === 0)
+			throw new Error('Use a moveTo() command first');
+		return segments[segments.length - 1];
+	}
+
+	return {
+		moveTo: function() {
+			var segments = this._segments;
+			if (segments.length === 1)
+				this.removeSegment(0);
+			if (!segments.length)
+				this._add([ new Segment(Point.read(arguments)) ]);
+		},
+
+		moveBy: function() {
+			throw new Error('moveBy() is unsupported on Path items.');
+		},
+
+		lineTo: function() {
+			this._add([ new Segment(Point.read(arguments)) ]);
+		},
+
+		cubicCurveTo: function() {
+			var handle1 = Point.read(arguments),
+				handle2 = Point.read(arguments),
+				to = Point.read(arguments),
+				current = getCurrentSegment(this);
+			current.setHandleOut(handle1.subtract(current._point));
+			this._add([ new Segment(to, handle2.subtract(to)) ]);
+		},
+
+		quadraticCurveTo: function() {
+			var handle = Point.read(arguments),
+				to = Point.read(arguments),
+				current = getCurrentSegment(this)._point;
+			this.cubicCurveTo(
+				handle.add(current.subtract(handle).multiply(1 / 3)),
+				handle.add(to.subtract(handle).multiply(1 / 3)),
+				to
+			);
+		},
+
+		curveTo: function() {
+			var through = Point.read(arguments),
+				to = Point.read(arguments),
+				t = Base.pick(Base.read(arguments), 0.5),
+				t1 = 1 - t,
+				current = getCurrentSegment(this)._point,
+				handle = through.subtract(current.multiply(t1 * t1))
+					.subtract(to.multiply(t * t)).divide(2 * t * t1);
+			if (handle.isNaN())
+				throw new Error(
+					'Cannot put a curve through points with parameter = ' + t);
+			this.quadraticCurveTo(handle, to);
+		},
+
+		arcTo: function() {
+			var current = getCurrentSegment(this),
+				from = current._point,
+				to = Point.read(arguments),
+				through,
+				peek = Base.peek(arguments),
+				clockwise = Base.pick(peek, true),
+				center, extent, vector, matrix;
+			if (typeof clockwise === 'boolean') {
+				var middle = from.add(to).divide(2),
+				through = middle.add(middle.subtract(from).rotate(
+						clockwise ? -90 : 90));
+			} else if (Base.remain(arguments) <= 2) {
+				through = to;
+				to = Point.read(arguments);
+			} else {
+				var radius = Size.read(arguments);
+				if (radius.isZero())
+					return this.lineTo(to);
+				var rotation = Base.read(arguments),
+					clockwise = !!Base.read(arguments),
+					large = !!Base.read(arguments),
+					middle = from.add(to).divide(2),
+					pt = from.subtract(middle).rotate(-rotation),
+					x = pt.x,
+					y = pt.y,
+					abs = Math.abs,
+					EPSILON = 1e-11,
+					rx = abs(radius.width),
+					ry = abs(radius.height),
+					rxSq = rx * rx,
+					rySq = ry * ry,
+					xSq =  x * x,
+					ySq =  y * y;
+				var factor = Math.sqrt(xSq / rxSq + ySq / rySq);
+				if (factor > 1) {
+					rx *= factor;
+					ry *= factor;
+					rxSq = rx * rx;
+					rySq = ry * ry;
+				}
+				factor = (rxSq * rySq - rxSq * ySq - rySq * xSq) /
+						(rxSq * ySq + rySq * xSq);
+				if (abs(factor) < EPSILON)
+					factor = 0;
+				if (factor < 0)
+					throw new Error(
+							'Cannot create an arc with the given arguments');
+				center = new Point(rx * y / ry, -ry * x / rx)
+						.multiply((large === clockwise ? -1 : 1)
+							* Math.sqrt(factor))
+						.rotate(rotation).add(middle);
+				matrix = new Matrix().translate(center).rotate(rotation)
+						.scale(rx, ry);
+				vector = matrix._inverseTransform(from);
+				extent = vector.getDirectedAngle(matrix._inverseTransform(to));
+				if (!clockwise && extent > 0)
+					extent -= 360;
+				else if (clockwise && extent < 0)
+					extent += 360;
+			}
+			if (through) {
+				var l1 = new Line(from.add(through).divide(2),
+							through.subtract(from).rotate(90), true),
+					l2 = new Line(through.add(to).divide(2),
+							to.subtract(through).rotate(90), true),
+					line = new Line(from, to),
+					throughSide = line.getSide(through);
+				center = l1.intersect(l2, true);
+				if (!center) {
+					if (!throughSide)
+						return this.lineTo(to);
+					throw new Error(
+							'Cannot create an arc with the given arguments');
+				}
+				vector = from.subtract(center);
+				extent = vector.getDirectedAngle(to.subtract(center));
+				var centerSide = line.getSide(center);
+				if (centerSide === 0) {
+					extent = throughSide * Math.abs(extent);
+				} else if (throughSide === centerSide) {
+					extent += extent < 0 ? 360 : -360;
+				}
+			}
+			var ext = Math.abs(extent),
+				count =  ext >= 360 ? 4 : Math.ceil(ext / 90),
+				inc = extent / count,
+				half = inc * Math.PI / 360,
+				z = 4 / 3 * Math.sin(half) / (1 + Math.cos(half)),
+				segments = [];
+			for (var i = 0; i <= count; i++) {
+				var pt = to,
+					out = null;
+				if (i < count) {
+					out = vector.rotate(90).multiply(z);
+					if (matrix) {
+						pt = matrix._transformPoint(vector);
+						out = matrix._transformPoint(vector.add(out))
+								.subtract(pt);
+					} else {
+						pt = center.add(vector);
+					}
+				}
+				if (i === 0) {
+					current.setHandleOut(out);
+				} else {
+					var _in = vector.rotate(-90).multiply(z);
+					if (matrix) {
+						_in = matrix._transformPoint(vector.add(_in))
+								.subtract(pt);
+					}
+					segments.push(new Segment(pt, _in, out));
+				}
+				vector = vector.rotate(inc);
+			}
+			this._add(segments);
+		},
+
+		lineBy: function() {
+			var to = Point.read(arguments),
+				current = getCurrentSegment(this)._point;
+			this.lineTo(current.add(to));
+		},
+
+		curveBy: function() {
+			var through = Point.read(arguments),
+				to = Point.read(arguments),
+				parameter = Base.read(arguments),
+				current = getCurrentSegment(this)._point;
+			this.curveTo(current.add(through), current.add(to), parameter);
+		},
+
+		cubicCurveBy: function() {
+			var handle1 = Point.read(arguments),
+				handle2 = Point.read(arguments),
+				to = Point.read(arguments),
+				current = getCurrentSegment(this)._point;
+			this.cubicCurveTo(current.add(handle1), current.add(handle2),
+					current.add(to));
+		},
+
+		quadraticCurveBy: function() {
+			var handle = Point.read(arguments),
+				to = Point.read(arguments),
+				current = getCurrentSegment(this)._point;
+			this.quadraticCurveTo(current.add(handle), current.add(to));
+		},
+
+		arcBy: function() {
+			var current = getCurrentSegment(this)._point,
+				point = current.add(Point.read(arguments)),
+				clockwise = Base.pick(Base.peek(arguments), true);
+			if (typeof clockwise === 'boolean') {
+				this.arcTo(point, clockwise);
+			} else {
+				this.arcTo(point, current.add(Point.read(arguments)));
+			}
+		},
+
+		closePath: function(join) {
+			this.setClosed(true);
+			if (join)
+				this.join();
+		}
+	};
+}, {  
+
+	_getBounds: function(getter, matrix) {
+		return Path[getter](this._segments, this._closed, this.getStyle(),
+				matrix);
+	},
+
+statics: {
+	isClockwise: function(segments) {
+		var sum = 0;
+		for (var i = 0, l = segments.length; i < l; i++) {
+			var v = Curve.getValues(
+					segments[i], segments[i + 1 < l ? i + 1 : 0]);
+			for (var j = 2; j < 8; j += 2)
+				sum += (v[j - 2] - v[j]) * (v[j + 1] + v[j - 1]);
+		}
+		return sum > 0;
+	},
+
+	getBounds: function(segments, closed, style, matrix, strokePadding) {
+		var first = segments[0];
+		if (!first)
+			return new Rectangle();
+		var coords = new Array(6),
+			prevCoords = first._transformCoordinates(matrix, new Array(6), false),
+			min = prevCoords.slice(0, 2), 
+			max = min.slice(), 
+			roots = new Array(2);
+
+		function processSegment(segment) {
+			segment._transformCoordinates(matrix, coords, false);
+			for (var i = 0; i < 2; i++) {
+				Curve._addBounds(
+					prevCoords[i], 
+					prevCoords[i + 4], 
+					coords[i + 2], 
+					coords[i], 
+					i, strokePadding ? strokePadding[i] : 0, min, max, roots);
+			}
+			var tmp = prevCoords;
+			prevCoords = coords;
+			coords = tmp;
+		}
+
+		for (var i = 1, l = segments.length; i < l; i++)
+			processSegment(segments[i]);
+		if (closed)
+			processSegment(first);
+		return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);
+	},
+
+	getStrokeBounds: function(segments, closed, style, matrix) {
+		if (!style.hasStroke())
+			return Path.getBounds(segments, closed, style, matrix);
+		var length = segments.length - (closed ? 0 : 1),
+			radius = style.getStrokeWidth() / 2,
+			padding = Path._getPenPadding(radius, matrix),
+			bounds = Path.getBounds(segments, closed, style, matrix, padding),
+			join = style.getStrokeJoin(),
+			cap = style.getStrokeCap(),
+			miterLimit = radius * style.getMiterLimit();
+		var joinBounds = new Rectangle(new Size(padding).multiply(2));
+
+		function add(point) {
+			bounds = bounds.include(matrix
+				? matrix._transformPoint(point, point) : point);
+		}
+
+		function addRound(segment) {
+			bounds = bounds.unite(joinBounds.setCenter(matrix
+				? matrix._transformPoint(segment._point) : segment._point));
+		}
+
+		function addJoin(segment, join) {
+			var handleIn = segment._handleIn,
+				handleOut = segment._handleOut
+			if (join === 'round' || !handleIn.isZero() && !handleOut.isZero()
+					&& handleIn.isColinear(handleOut)) {
+				addRound(segment);
+			} else {
+				Path._addBevelJoin(segment, join, radius, miterLimit, add);
+			}
+		}
+
+		function addCap(segment, cap) {
+			if (cap === 'round') {
+				addRound(segment);
+			} else {
+				Path._addSquareCap(segment, cap, radius, add);
+			}
+		}
+
+		for (var i = 1; i < length; i++)
+			addJoin(segments[i], join);
+		if (closed) {
+			addJoin(segments[0], join);
+		} else if (length > 0) {
+			addCap(segments[0], cap);
+			addCap(segments[segments.length - 1], cap);
+		}
+		return bounds;
+	},
+
+	_getPenPadding: function(radius, matrix) {
+		if (!matrix)
+			return [radius, radius];
+		var mx = matrix.shiftless(),
+			hor = mx.transform(new Point(radius, 0)),
+			ver = mx.transform(new Point(0, radius)),
+			phi = hor.getAngleInRadians(),
+			a = hor.getLength(),
+			b = ver.getLength();
+		var sin = Math.sin(phi),
+			cos = Math.cos(phi),
+			tan = Math.tan(phi),
+			tx = -Math.atan(b * tan / a),
+			ty = Math.atan(b / (tan * a));
+		return [Math.abs(a * Math.cos(tx) * cos - b * Math.sin(tx) * sin),
+				Math.abs(b * Math.sin(ty) * cos + a * Math.cos(ty) * sin)];
+	},
+
+	_addBevelJoin: function(segment, join, radius, miterLimit, addPoint, area) {
+		var curve2 = segment.getCurve(),
+			curve1 = curve2.getPrevious(),
+			point = curve2.getPointAt(0, true),
+			normal1 = curve1.getNormalAt(1, true),
+			normal2 = curve2.getNormalAt(0, true),
+			step = normal1.getDirectedAngle(normal2) < 0 ? -radius : radius;
+		normal1.setLength(step);
+		normal2.setLength(step);
+		if (area) {
+			addPoint(point);
+			addPoint(point.add(normal1));
+		}
+		if (join === 'miter') {
+			var corner = new Line(
+					point.add(normal1),
+					new Point(-normal1.y, normal1.x), true
+				).intersect(new Line(
+					point.add(normal2),
+					new Point(-normal2.y, normal2.x), true
+				), true);
+			if (corner && point.getDistance(corner) <= miterLimit) {
+				addPoint(corner);
+				if (!area)
+					return;
+			}
+		}
+		if (!area)
+			addPoint(point.add(normal1));
+		addPoint(point.add(normal2));
+	},
+
+	_addSquareCap: function(segment, cap, radius, addPoint, area) {
+		var point = segment._point,
+			loc = segment.getLocation(),
+			normal = loc.getNormal().normalize(radius);
+		if (area) {
+			addPoint(point.subtract(normal));
+			addPoint(point.add(normal));
+		}
+		if (cap === 'square')
+			point = point.add(normal.rotate(loc.getParameter() == 0 ? -90 : 90));
+		addPoint(point.add(normal));
+		addPoint(point.subtract(normal));
+	},
+
+	getHandleBounds: function(segments, closed, style, matrix, strokePadding,
+			joinPadding) {
+		var coords = new Array(6),
+			x1 = Infinity,
+			x2 = -x1,
+			y1 = x1,
+			y2 = x2;
+		for (var i = 0, l = segments.length; i < l; i++) {
+			var segment = segments[i];
+			segment._transformCoordinates(matrix, coords, false);
+			for (var j = 0; j < 6; j += 2) {
+				var padding = j == 0 ? joinPadding : strokePadding,
+					paddingX = padding ? padding[0] : 0,
+					paddingY = padding ? padding[1] : 0,
+					x = coords[j],
+					y = coords[j + 1],
+					xn = x - paddingX,
+					xx = x + paddingX,
+					yn = y - paddingY,
+					yx = y + paddingY;
+				if (xn < x1) x1 = xn;
+				if (xx > x2) x2 = xx;
+				if (yn < y1) y1 = yn;
+				if (yx > y2) y2 = yx;
+			}
+		}
+		return new Rectangle(x1, y1, x2 - x1, y2 - y1);
+	},
+
+	getRoughBounds: function(segments, closed, style, matrix) {
+		var strokeRadius = style.hasStroke() ? style.getStrokeWidth() / 2 : 0,
+			joinRadius = strokeRadius;
+		if (strokeRadius > 0) {
+			if (style.getStrokeJoin() === 'miter')
+				joinRadius = strokeRadius * style.getMiterLimit();
+			if (style.getStrokeCap() === 'square')
+				joinRadius = Math.max(joinRadius, strokeRadius * Math.sqrt(2));
+		}
+		return Path.getHandleBounds(segments, closed, style, matrix,
+				Path._getPenPadding(strokeRadius, matrix),
+				Path._getPenPadding(joinRadius, matrix));
+	}
+}});
+
+Path.inject({ statics: new function() {
+
+	var kappa = 0.5522847498307936,
+		ellipseSegments = [
+			new Segment([-1, 0], [0, kappa ], [0, -kappa]),
+			new Segment([0, -1], [-kappa, 0], [kappa, 0 ]),
+			new Segment([1, 0], [0, -kappa], [0, kappa ]),
+			new Segment([0, 1], [kappa, 0 ], [-kappa, 0])
+		];
+
+	function createPath(segments, closed, args) {
+		var props = Base.getNamed(args),
+			path = new Path(props && props.insert === false && Item.NO_INSERT);
+		path._add(segments);
+		path._closed = closed;
+		return path.set(props);
+	}
+
+	function createEllipse(center, radius, args) {
+		var segments = new Array(4);
+		for (var i = 0; i < 4; i++) {
+			var segment = ellipseSegments[i];
+			segments[i] = new Segment(
+				segment._point.multiply(radius).add(center),
+				segment._handleIn.multiply(radius),
+				segment._handleOut.multiply(radius)
+			);
+		}
+		return createPath(segments, true, args);
+	}
+
+	return {
+		Line: function() {
+			return createPath([
+				new Segment(Point.readNamed(arguments, 'from')),
+				new Segment(Point.readNamed(arguments, 'to'))
+			], false, arguments);
+		},
+
+		Circle: function() {
+			var center = Point.readNamed(arguments, 'center'),
+				radius = Base.readNamed(arguments, 'radius');
+			return createEllipse(center, new Size(radius), arguments);
+		},
+
+		Rectangle: function() {
+			var rect = Rectangle.readNamed(arguments, 'rectangle'),
+				radius = Size.readNamed(arguments, 'radius', 0,
+						{ readNull: true }),
+				bl = rect.getBottomLeft(true),
+				tl = rect.getTopLeft(true),
+				tr = rect.getTopRight(true),
+				br = rect.getBottomRight(true),
+				segments;
+			if (!radius || radius.isZero()) {
+				segments = [
+					new Segment(bl),
+					new Segment(tl),
+					new Segment(tr),
+					new Segment(br)
+				];
+			} else {
+				radius = Size.min(radius, rect.getSize(true).divide(2));
+				var rx = radius.width,
+					ry = radius.height,
+					hx = rx * kappa,
+					hy = ry * kappa;
+				segments = [
+					new Segment(bl.add(rx, 0), null, [-hx, 0]),
+					new Segment(bl.subtract(0, ry), [0, hy]),
+					new Segment(tl.add(0, ry), null, [0, -hy]),
+					new Segment(tl.add(rx, 0), [-hx, 0], null),
+					new Segment(tr.subtract(rx, 0), null, [hx, 0]),
+					new Segment(tr.add(0, ry), [0, -hy], null),
+					new Segment(br.subtract(0, ry), null, [0, hy]),
+					new Segment(br.subtract(rx, 0), [hx, 0])
+				];
+			}
+			return createPath(segments, true, arguments);
+		},
+
+		RoundRectangle: '#Rectangle',
+
+		Ellipse: function() {
+			var ellipse = Shape._readEllipse(arguments);
+			return createEllipse(ellipse.center, ellipse.radius, arguments);
+		},
+
+		Oval: '#Ellipse',
+
+		Arc: function() {
+			var from = Point.readNamed(arguments, 'from'),
+				through = Point.readNamed(arguments, 'through'),
+				to = Point.readNamed(arguments, 'to'),
+				props = Base.getNamed(arguments),
+				path = new Path(props && props.insert === false
+						&& Item.NO_INSERT);
+			path.moveTo(from);
+			path.arcTo(through, to);
+			return path.set(props);
+		},
+
+		RegularPolygon: function() {
+			var center = Point.readNamed(arguments, 'center'),
+				sides = Base.readNamed(arguments, 'sides'),
+				radius = Base.readNamed(arguments, 'radius'),
+				step = 360 / sides,
+				three = !(sides % 3),
+				vector = new Point(0, three ? -radius : radius),
+				offset = three ? -1 : 0.5,
+				segments = new Array(sides);
+			for (var i = 0; i < sides; i++)
+				segments[i] = new Segment(center.add(
+					vector.rotate((i + offset) * step)));
+			return createPath(segments, true, arguments);
+		},
+
+		Star: function() {
+			var center = Point.readNamed(arguments, 'center'),
+				points = Base.readNamed(arguments, 'points') * 2,
+				radius1 = Base.readNamed(arguments, 'radius1'),
+				radius2 = Base.readNamed(arguments, 'radius2'),
+				step = 360 / points,
+				vector = new Point(0, -1),
+				segments = new Array(points);
+			for (var i = 0; i < points; i++)
+				segments[i] = new Segment(center.add(vector.rotate(step * i)
+						.multiply(i % 2 ? radius2 : radius1)));
+			return createPath(segments, true, arguments);
+		}
+	};
+}});
+
+var CompoundPath = PathItem.extend({
+	_class: 'CompoundPath',
+	_serializeFields: {
+		children: []
+	},
+
+	initialize: function CompoundPath(arg) {
+		this._children = [];
+		this._namedChildren = {};
+		if (!this._initialize(arg)) {
+			if (typeof arg === 'string') {
+				this.setPathData(arg);
+			} else {
+				this.addChildren(Array.isArray(arg) ? arg : arguments);
+			}
+		}
+	},
+
+	insertChildren: function insertChildren(index, items, _preserve) {
+		items = insertChildren.base.call(this, index, items, _preserve, Path);
+		for (var i = 0, l = !_preserve && items && items.length; i < l; i++) {
+			var item = items[i];
+			if (item._clockwise === undefined)
+				item.setClockwise(item._index === 0);
+		}
+		return items;
+	},
+
+	reverse: function() {
+		var children = this._children;
+		for (var i = 0, l = children.length; i < l; i++)
+			children[i].reverse();
+	},
+
+	smooth: function() {
+		for (var i = 0, l = this._children.length; i < l; i++)
+			this._children[i].smooth();
+	},
+
+	isClockwise: function() {
+		var child = this.getFirstChild();
+		return child && child.isClockwise();
+	},
+
+	setClockwise: function(clockwise) {
+		if (this.isClockwise() !== !!clockwise)
+			this.reverse();
+	},
+
+	getFirstSegment: function() {
+		var first = this.getFirstChild();
+		return first && first.getFirstSegment();
+	},
+
+	getLastSegment: function() {
+		var last = this.getLastChild();
+		return last && last.getLastSegment();
+	},
+
+	getCurves: function() {
+		var children = this._children,
+			curves = [];
+		for (var i = 0, l = children.length; i < l; i++)
+			curves.push.apply(curves, children[i].getCurves());
+		return curves;
+	},
+
+	getFirstCurve: function() {
+		var first = this.getFirstChild();
+		return first && first.getFirstCurve();
+	},
+
+	getLastCurve: function() {
+		var last = this.getLastChild();
+		return last && last.getFirstCurve();
+	},
+
+	getArea: function() {
+		var children = this._children,
+			area = 0;
+		for (var i = 0, l = children.length; i < l; i++)
+			area += children[i].getArea();
+		return area;
+	}
+}, {
+	beans: true,
+
+	getPathData: function(_precision) {
+		var children = this._children,
+			paths = [];
+		for (var i = 0, l = children.length; i < l; i++)
+			paths.push(children[i].getPathData(_precision));
+		return paths.join(' ');
+	}
+}, {
+	_getChildHitTestOptions: function(options) {
+		return options.type === 'path'
+				? options
+				: new Base(options, { fill: false });
+	},
+
+	_draw: function(ctx, param) {
+		var children = this._children;
+		if (children.length === 0)
+			return;
+
+		if (this._currentPath) {
+			ctx.currentPath = this._currentPath;
+		} else {
+			param = param.extend({ dontStart: true, dontFinish: true });
+			ctx.beginPath();
+			for (var i = 0, l = children.length; i < l; i++)
+				children[i].draw(ctx, param);
+			this._currentPath = ctx.currentPath;
+		}
+
+		if (!param.clip) {
+			this._setStyles(ctx);
+			var style = this._style;
+			if (style.hasFill()) {
+				ctx.fill(style.getWindingRule());
+				ctx.shadowColor = 'rgba(0,0,0,0)';
+			}
+			if (style.hasStroke())
+				ctx.stroke();
+		}
+	},
+
+	_drawSelected: function(ctx, matrix) {
+		var children = this._children;
+		for (var i = 0, l = children.length; i < l; i++) {
+			var child = children[i],
+				mx = child._matrix;
+			child._drawSelected(ctx, mx.isIdentity() ? matrix
+					: matrix.clone().concatenate(child._matrix));
+		}
+	}
+}, new function() { 
+	function getCurrentPath(that, check) {
+		var children = that._children;
+		if (check && children.length === 0)
+			throw new Error('Use a moveTo() command first');
+		return children[children.length - 1];
+	}
+
+	var fields = {
+		moveTo: function() {
+			var current = getCurrentPath(this),
+				path = current && current.isEmpty() ? current : new Path();
+			if (path !== current)
+				this.addChild(path);
+			path.moveTo.apply(path, arguments);
+		},
+
+		moveBy: function() {
+			var current = getCurrentPath(this, true),
+				last = current && current.getLastSegment(),
+				point = Point.read(arguments);
+			this.moveTo(last ? point.add(last._point) : point);
+		},
+
+		closePath: function(join) {
+			getCurrentPath(this, true).closePath(join);
+		}
+	};
+
+	Base.each(['lineTo', 'cubicCurveTo', 'quadraticCurveTo', 'curveTo', 'arcTo',
+			'lineBy', 'cubicCurveBy', 'quadraticCurveBy', 'curveBy', 'arcBy'],
+			function(key) {
+				fields[key] = function() {
+					var path = getCurrentPath(this, true);
+					path[key].apply(path, arguments);
+				};
+			}
+	);
+
+	return fields;
+});
+
+PathItem.inject(new function() {
+	function computeBoolean(path1, path2, operator, subtract) {
+		function preparePath(path) {
+			return path.clone(false).reduce().reorient().transform(null, true);
+		}
+
+		var _path1 = preparePath(path1),
+			_path2 = path2 && path1 !== path2 && preparePath(path2);
+		if (!_path1.isClockwise())
+			_path1.reverse();
+		if (_path2 && !(subtract ^ _path2.isClockwise()))
+			_path2.reverse();
+		splitPath(_path1.getIntersections(_path2, true));
+
+		var chain = [],
+			windings = [],
+			lengths = [],
+			segments = [],
+			monoCurves = [];
+
+		function collect(paths) {
+			for (var i = 0, l = paths.length; i < l; i++) {
+				var path = paths[i];
+				segments.push.apply(segments, path._segments);
+				monoCurves.push.apply(monoCurves, path._getMonoCurves());
+			}
+		}
+
+		collect(_path1._children || [_path1]);
+		if (_path2)
+			collect(_path2._children || [_path2]);
+		segments.sort(function(a, b) {
+			var _a = a._intersection,
+				_b = b._intersection;
+			return !_a && !_b || _a && _b ? 0 : _a ? -1 : 1;
+		});
+		for (var i = 0, l = segments.length; i < l; i++) {
+			var segment = segments[i];
+			if (segment._winding != null)
+				continue;
+			chain.length = windings.length = lengths.length = 0;
+			var totalLength = 0,
+				startSeg = segment;
+			do {
+				chain.push(segment);
+				lengths.push(totalLength += segment.getCurve().getLength());
+				segment = segment.getNext();
+			} while (segment && !segment._intersection && segment !== startSeg);
+			for (var j = 0; j < 3; j++) {
+				var length = totalLength * Math.random(),
+					amount = lengths.length,
+					k = 0;
+				do {
+					if (lengths[k] >= length) {
+						if (k > 0)
+							length -= lengths[k - 1];
+						break;
+					}
+				} while (++k < amount);
+				var curve = chain[k].getCurve(),
+					point = curve.getPointAt(length),
+					hor = curve.isHorizontal(),
+					path = curve._path;
+				if (path._parent instanceof CompoundPath)
+					path = path._parent;
+				windings[j] = subtract && _path2
+						&& (path === _path1 && _path2._getWinding(point, hor)
+						|| path === _path2 && !_path1._getWinding(point, hor))
+						? 0
+						: getWinding(point, monoCurves, hor);
+			}
+			windings.sort();
+			var winding = windings[1];
+			for (var j = chain.length - 1; j >= 0; j--)
+				chain[j]._winding = winding;
+		}
+		var result = new CompoundPath();
+		result.addChildren(tracePaths(segments, operator), true);
+		_path1.remove();
+		if (_path2)
+			_path2.remove();
+		return result.reduce();
+	}
+
+	function splitPath(intersections) {
+		var TOLERANCE = 0.00001,
+			linearSegments;
+
+		function resetLinear() {
+			for (var i = 0, l = linearSegments.length; i < l; i++) {
+				var segment = linearSegments[i];
+				segment._handleOut.set(0, 0);
+				segment._handleIn.set(0, 0);
+			}
+		}
+
+		for (var i = intersections.length - 1, curve, prevLoc; i >= 0; i--) {
+			var loc = intersections[i],
+				t = loc._parameter;
+			if (prevLoc && prevLoc._curve === loc._curve
+					&& prevLoc._parameter > 0) {
+				t /= prevLoc._parameter;
+			} else {
+				if (linearSegments)
+					resetLinear();
+				curve = loc._curve;
+				linearSegments = curve.isLinear() && [];
+			}
+			var newCurve,
+				segment;
+			if (newCurve = curve.divide(t, true, true)) {
+				segment = newCurve._segment1;
+				curve = newCurve.getPrevious();
+			} else {
+				segment = t < TOLERANCE
+					? curve._segment1
+					: t > 1 - TOLERANCE
+						? curve._segment2
+						: curve.getPartLength(0, t) < curve.getPartLength(t, 1)
+							? curve._segment1
+							: curve._segment2;
+			}
+			segment._intersection = loc.getIntersection();
+			loc._segment = segment;
+			if (linearSegments)
+				linearSegments.push(segment);
+			prevLoc = loc;
+		}
+		if (linearSegments)
+			resetLinear();
+	}
+
+	function getWinding(point, curves, horizontal, testContains) {
+		var TOLERANCE = 0.00001,
+			x = point.x,
+			y = point.y,
+			windLeft = 0,
+			windRight = 0,
+			roots = [],
+			abs = Math.abs,
+			MAX = 1 - TOLERANCE;
+		if (horizontal) {
+			var yTop = -Infinity,
+				yBottom = Infinity,
+				yBefore = y - TOLERANCE,
+				yAfter = y + TOLERANCE;
+			for (var i = 0, l = curves.length; i < l; i++) {
+				var values = curves[i].values;
+				if (Curve.solveCubic(values, 0, x, roots, 0, 1) > 0) {
+					for (var j = roots.length - 1; j >= 0; j--) {
+						var y0 = Curve.evaluate(values, roots[j], 0).y;
+						if (y0 < yBefore && y0 > yTop) {
+							yTop = y0;
+						} else if (y0 > yAfter && y0 < yBottom) {
+							yBottom = y0;
+						}
+					}
+				}
+			}
+			yTop = (yTop + y) / 2;
+			yBottom = (yBottom + y) / 2;
+			if (yTop > -Infinity)
+				windLeft = getWinding(new Point(x, yTop), curves);
+			if (yBottom < Infinity)
+				windRight = getWinding(new Point(x, yBottom), curves);
+		} else {
+			var xBefore = x - TOLERANCE,
+				xAfter = x + TOLERANCE;
+			for (var i = 0, l = curves.length; i < l; i++) {
+				var curve = curves[i],
+					values = curve.values,
+					winding = curve.winding,
+					next = curve.next;
+				if (winding && (winding === 1
+						&& y >= values[1] && y <= values[7]
+						|| y >= values[7] && y <= values[1])
+					&& Curve.solveCubic(values, 1, y, roots, 0,
+						!next.winding && next.values[1] === y ? 1 : MAX) === 1){
+					var t = roots[0],
+						x0 = Curve.evaluate(values, t, 0).x,
+						slope = Curve.evaluate(values, t, 1).y;
+					if (abs(slope) < TOLERANCE && !Curve.isLinear(values)
+							|| t < TOLERANCE && slope * Curve.evaluate(
+								curve.previous.values, t, 1).y < 0) {
+						if (testContains && x0 >= xBefore && x0 <= xAfter) {
+							++windLeft;
+							++windRight;
+						}
+					} else if (x0 <= xBefore) {
+						windLeft += winding;
+					} else if (x0 >= xAfter) {
+						windRight += winding;
+					}
+				}
+			}
+		}
+		return Math.max(abs(windLeft), abs(windRight));
+	}
+
+	function tracePaths(segments, operator, selfOp) {
+		operator = operator || function() {
+			return true;
+		};
+		var paths = [],
+			ZERO = 1e-3,
+			ONE = 1 - 1e-3;
+		for (var i = 0, seg, startSeg, l = segments.length; i < l; i++) {
+			seg = startSeg = segments[i];
+			if (seg._visited || !operator(seg._winding))
+				continue;
+			var path = new Path(Item.NO_INSERT),
+				inter = seg._intersection,
+				startInterSeg = inter && inter._segment,
+				added = false, 
+				dir = 1;
+			do {
+				var handleIn = dir > 0 ? seg._handleIn : seg._handleOut,
+					handleOut = dir > 0 ? seg._handleOut : seg._handleIn,
+					interSeg;
+				if (added && (!operator(seg._winding) || selfOp)
+						&& (inter = seg._intersection)
+						&& (interSeg = inter._segment)
+						&& interSeg !== startSeg) {
+					if (selfOp) {
+						seg._visited = interSeg._visited;
+						seg = interSeg;
+						dir = 1;
+					} else {
+						var c1 = seg.getCurve();
+						if (dir > 0)
+							c1 = c1.getPrevious();
+						var t1 = c1.getTangentAt(dir < 1 ? ZERO : ONE, true),
+							c4 = interSeg.getCurve(),
+							c3 = c4.getPrevious(),
+							t3 = c3.getTangentAt(ONE, true),
+							t4 = c4.getTangentAt(ZERO, true),
+							w3 = t1.cross(t3),
+							w4 = t1.cross(t4);
+						if (w3 * w4 !== 0) {
+							var curve = w3 < w4 ? c3 : c4,
+								nextCurve = operator(curve._segment1._winding)
+									? curve
+									: w3 < w4 ? c4 : c3,
+								nextSeg = nextCurve._segment1;
+							dir = nextCurve === c3 ? -1 : 1;
+							if (nextSeg._visited && seg._path !== nextSeg._path
+										|| !operator(nextSeg._winding)) {
+								dir = 1;
+							} else {
+								seg._visited = interSeg._visited;
+								seg = interSeg;
+								if (nextSeg._visited)
+									dir = 1;
+							}
+						} else {
+							dir = 1;
+						}
+					}
+					handleOut = dir > 0 ? seg._handleOut : seg._handleIn;
+				}
+				path.add(new Segment(seg._point, added && handleIn, handleOut));
+				added = true;
+				seg._visited = true;
+				seg = dir > 0 ? seg.getNext() : seg. getPrevious();
+			} while (seg && !seg._visited
+					&& seg !== startSeg && seg !== startInterSeg
+					&& (seg._intersection || operator(seg._winding)));
+			if (seg && (seg === startSeg || seg === startInterSeg)) {
+				path.firstSegment.setHandleIn((seg === startInterSeg
+						? startInterSeg : seg)._handleIn);
+				path.setClosed(true);
+			} else {
+				path.lastSegment._handleOut.set(0, 0);
+			}
+			if (path._segments.length >
+					(path._closed ? path.isPolygon() ? 2 : 0 : 1))
+				paths.push(path);
+		}
+		return paths;
+	}
+
+	return {
+		_getWinding: function(point, horizontal, testContains) {
+			return getWinding(point, this._getMonoCurves(),
+					horizontal, testContains);
+		},
+
+		unite: function(path) {
+			return computeBoolean(this, path, function(w) {
+				return w === 1 || w === 0;
+			}, false);
+		},
+
+		intersect: function(path) {
+			return computeBoolean(this, path, function(w) {
+				return w === 2;
+			}, false);
+		},
+
+		subtract: function(path) {
+			return computeBoolean(this, path, function(w) {
+				return w === 1;
+			}, true);
+		},
+
+		exclude: function(path) {
+			return new Group([this.subtract(path), path.subtract(this)]);
+		},
+
+		divide: function(path) {
+			return new Group([this.subtract(path), this.intersect(path)]);
+		}
+	};
+});
+
+Path.inject({
+	_getMonoCurves: function() {
+		var monoCurves = this._monoCurves,
+			prevCurve;
+
+		function insertCurve(v) {
+			var y0 = v[1],
+				y1 = v[7],
+				curve = {
+					values: v,
+					winding: y0 === y1
+						? 0 
+						: y0 > y1
+							? -1 
+							: 1, 
+					previous: prevCurve,
+					next: null 
+				};
+			if (prevCurve)
+				prevCurve.next = curve;
+			monoCurves.push(curve);
+			prevCurve = curve;
+		}
+
+		function handleCurve(v) {
+			if (Curve.getLength(v) === 0)
+				return;
+			var y0 = v[1],
+				y1 = v[3],
+				y2 = v[5],
+				y3 = v[7];
+			if (Curve.isLinear(v)) {
+				insertCurve(v);
+			} else {
+				var a = 3 * (y1 - y2) - y0 + y3,
+					b = 2 * (y0 + y2) - 4 * y1,
+					c = y1 - y0,
+					TOLERANCE = 0.00001,
+					roots = [];
+				var count = Numerical.solveQuadratic(a, b, c, roots, TOLERANCE,
+						1 - TOLERANCE);
+				if (count === 0) {
+					insertCurve(v);
+				} else {
+					roots.sort();
+					var t = roots[0],
+						parts = Curve.subdivide(v, t);
+					insertCurve(parts[0]);
+					if (count > 1) {
+						t = (roots[1] - t) / (1 - t);
+						parts = Curve.subdivide(parts[1], t);
+						insertCurve(parts[0]);
+					}
+					insertCurve(parts[1]);
+				}
+			}
+		}
+
+		if (!monoCurves) {
+			monoCurves = this._monoCurves = [];
+			var curves = this.getCurves(),
+				segments = this._segments;
+			for (var i = 0, l = curves.length; i < l; i++)
+				handleCurve(curves[i].getValues());
+			if (!this._closed && segments.length > 1) {
+				var p1 = segments[segments.length - 1]._point,
+					p2 = segments[0]._point,
+					p1x = p1._x, p1y = p1._y,
+					p2x = p2._x, p2y = p2._y;
+				handleCurve([p1x, p1y, p1x, p1y, p2x, p2y, p2x, p2y]);
+			}
+			if (monoCurves.length > 0) {
+				var first = monoCurves[0],
+					last = monoCurves[monoCurves.length - 1];
+				first.previous = last;
+				last.next = first;
+			}
+		}
+		return monoCurves;
+	},
+
+	getInteriorPoint: function() {
+		var bounds = this.getBounds(),
+			point = bounds.getCenter(true);
+		if (!this.contains(point)) {
+			var curves = this._getMonoCurves(),
+				roots = [],
+				y = point.y,
+				xIntercepts = [];
+			for (var i = 0, l = curves.length; i < l; i++) {
+				var values = curves[i].values;
+				if ((curves[i].winding === 1
+						&& y >= values[1] && y <= values[7]
+						|| y >= values[7] && y <= values[1])
+						&& Curve.solveCubic(values, 1, y, roots, 0, 1) > 0) {
+					for (var j = roots.length - 1; j >= 0; j--)
+						xIntercepts.push(Curve.evaluate(values, roots[j], 0).x);
+				}
+				if (xIntercepts.length > 1)
+					break;
+			}
+			point.x = (xIntercepts[0] + xIntercepts[1]) / 2;
+		}
+		return point;
+	},
+
+	reorient: function() {
+		this.setClockwise(true);
+		return this;
+	}
+});
+
+CompoundPath.inject({
+	_getMonoCurves: function() {
+		var children =  this._children,
+			monoCurves = [];
+		for (var i = 0, l = children.length; i < l; i++)
+			monoCurves.push.apply(monoCurves, children[i]._getMonoCurves());
+		return monoCurves;
+	},
+
+	reorient: function() {
+		var children = this.removeChildren().sort(function(a, b) {
+			return b.getBounds().getArea() - a.getBounds().getArea();
+		});
+		this.addChildren(children);
+		var clockwise = children[0].isClockwise();
+		for (var i = 1, l = children.length; i < l; i++) { 
+			var point = children[i].getInteriorPoint(),
+				counters = 0;
+			for (var j = i - 1; j >= 0; j--) {
+				if (children[j].contains(point))
+					counters++;
+			}
+			children[i].setClockwise(counters % 2 === 0 && clockwise);
+		}
+		return this;
+	}
+});
+
+var PathFlattener = Base.extend({
+	initialize: function(path) {
+		this.curves = []; 
+		this.parts = []; 
+		this.length = 0; 
+		this.index = 0;
+
+		var segments = path._segments,
+			segment1 = segments[0],
+			segment2,
+			that = this;
+
+		function addCurve(segment1, segment2) {
+			var curve = Curve.getValues(segment1, segment2);
+			that.curves.push(curve);
+			that._computeParts(curve, segment1._index, 0, 1);
+		}
+
+		for (var i = 1, l = segments.length; i < l; i++) {
+			segment2 = segments[i];
+			addCurve(segment1, segment2);
+			segment1 = segment2;
+		}
+		if (path._closed)
+			addCurve(segment2, segments[0]);
+	},
+
+	_computeParts: function(curve, index, minT, maxT) {
+		if ((maxT - minT) > 1 / 32 && !Curve.isFlatEnough(curve, 0.25)) {
+			var curves = Curve.subdivide(curve);
+			var halfT = (minT + maxT) / 2;
+			this._computeParts(curves[0], index, minT, halfT);
+			this._computeParts(curves[1], index, halfT, maxT);
+		} else {
+			var x = curve[6] - curve[0],
+				y = curve[7] - curve[1],
+				dist = Math.sqrt(x * x + y * y);
+			if (dist > 0.00001) {
+				this.length += dist;
+				this.parts.push({
+					offset: this.length,
+					value: maxT,
+					index: index
+				});
+			}
+		}
+	},
+
+	getParameterAt: function(offset) {
+		var i, j = this.index;
+		for (;;) {
+			i = j;
+			if (j == 0 || this.parts[--j].offset < offset)
+				break;
+		}
+		for (var l = this.parts.length; i < l; i++) {
+			var part = this.parts[i];
+			if (part.offset >= offset) {
+				this.index = i;
+				var prev = this.parts[i - 1];
+				var prevVal = prev && prev.index == part.index ? prev.value : 0,
+					prevLen = prev ? prev.offset : 0;
+				return {
+					value: prevVal + (part.value - prevVal)
+						* (offset - prevLen) /  (part.offset - prevLen),
+					index: part.index
+				};
+			}
+		}
+		var part = this.parts[this.parts.length - 1];
+		return {
+			value: 1,
+			index: part.index
+		};
+	},
+
+	evaluate: function(offset, type) {
+		var param = this.getParameterAt(offset);
+		return Curve.evaluate(this.curves[param.index], param.value, type);
+	},
+
+	drawPart: function(ctx, from, to) {
+		from = this.getParameterAt(from);
+		to = this.getParameterAt(to);
+		for (var i = from.index; i <= to.index; i++) {
+			var curve = Curve.getPart(this.curves[i],
+					i == from.index ? from.value : 0,
+					i == to.index ? to.value : 1);
+			if (i == from.index)
+				ctx.moveTo(curve[0], curve[1]);
+			ctx.bezierCurveTo.apply(ctx, curve.slice(2));
+		}
+	}
+});
+
+var PathFitter = Base.extend({
+	initialize: function(path, error) {
+		this.points = [];
+		var segments = path._segments,
+			prev;
+		for (var i = 0, l = segments.length; i < l; i++) {
+			var point = segments[i].point.clone();
+			if (!prev || !prev.equals(point)) {
+				this.points.push(point);
+				prev = point;
+			}
+		}
+		this.error = error;
+	},
+
+	fit: function() {
+		var points = this.points,
+			length = points.length;
+		this.segments = length > 0 ? [new Segment(points[0])] : [];
+		if (length > 1)
+			this.fitCubic(0, length - 1,
+				points[1].subtract(points[0]).normalize(),
+				points[length - 2].subtract(points[length - 1]).normalize());
+		return this.segments;
+	},
+
+	fitCubic: function(first, last, tan1, tan2) {
+		if (last - first == 1) {
+			var pt1 = this.points[first],
+				pt2 = this.points[last],
+				dist = pt1.getDistance(pt2) / 3;
+			this.addCurve([pt1, pt1.add(tan1.normalize(dist)),
+					pt2.add(tan2.normalize(dist)), pt2]);
+			return;
+		}
+		var uPrime = this.chordLengthParameterize(first, last),
+			maxError = Math.max(this.error, this.error * this.error),
+			split;
+		for (var i = 0; i <= 4; i++) {
+			var curve = this.generateBezier(first, last, uPrime, tan1, tan2);
+			var max = this.findMaxError(first, last, curve, uPrime);
+			if (max.error < this.error) {
+				this.addCurve(curve);
+				return;
+			}
+			split = max.index;
+			if (max.error >= maxError)
+				break;
+			this.reparameterize(first, last, uPrime, curve);
+			maxError = max.error;
+		}
+		var V1 = this.points[split - 1].subtract(this.points[split]),
+			V2 = this.points[split].subtract(this.points[split + 1]),
+			tanCenter = V1.add(V2).divide(2).normalize();
+		this.fitCubic(first, split, tan1, tanCenter);
+		this.fitCubic(split, last, tanCenter.negate(), tan2);
+	},
+
+	addCurve: function(curve) {
+		var prev = this.segments[this.segments.length - 1];
+		prev.setHandleOut(curve[1].subtract(curve[0]));
+		this.segments.push(
+				new Segment(curve[3], curve[2].subtract(curve[3])));
+	},
+
+	generateBezier: function(first, last, uPrime, tan1, tan2) {
+		var epsilon = 1e-11,
+			pt1 = this.points[first],
+			pt2 = this.points[last],
+			C = [[0, 0], [0, 0]],
+			X = [0, 0];
+
+		for (var i = 0, l = last - first + 1; i < l; i++) {
+			var u = uPrime[i],
+				t = 1 - u,
+				b = 3 * u * t,
+				b0 = t * t * t,
+				b1 = b * t,
+				b2 = b * u,
+				b3 = u * u * u,
+				a1 = tan1.normalize(b1),
+				a2 = tan2.normalize(b2),
+				tmp = this.points[first + i]
+					.subtract(pt1.multiply(b0 + b1))
+					.subtract(pt2.multiply(b2 + b3));
+			C[0][0] += a1.dot(a1);
+			C[0][1] += a1.dot(a2);
+			C[1][0] = C[0][1];
+			C[1][1] += a2.dot(a2);
+			X[0] += a1.dot(tmp);
+			X[1] += a2.dot(tmp);
+		}
+
+		var detC0C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1],
+			alpha1, alpha2;
+		if (Math.abs(detC0C1) > epsilon) {
+			var detC0X  = C[0][0] * X[1]    - C[1][0] * X[0],
+				detXC1  = X[0]    * C[1][1] - X[1]    * C[0][1];
+			alpha1 = detXC1 / detC0C1;
+			alpha2 = detC0X / detC0C1;
+		} else {
+			var c0 = C[0][0] + C[0][1],
+				c1 = C[1][0] + C[1][1];
+			if (Math.abs(c0) > epsilon) {
+				alpha1 = alpha2 = X[0] / c0;
+			} else if (Math.abs(c1) > epsilon) {
+				alpha1 = alpha2 = X[1] / c1;
+			} else {
+				alpha1 = alpha2 = 0;
+			}
+		}
+
+		var segLength = pt2.getDistance(pt1);
+		epsilon *= segLength;
+		if (alpha1 < epsilon || alpha2 < epsilon) {
+			alpha1 = alpha2 = segLength / 3;
+		}
+
+		return [pt1, pt1.add(tan1.normalize(alpha1)),
+				pt2.add(tan2.normalize(alpha2)), pt2];
+	},
+
+	reparameterize: function(first, last, u, curve) {
+		for (var i = first; i <= last; i++) {
+			u[i - first] = this.findRoot(curve, this.points[i], u[i - first]);
+		}
+	},
+
+	findRoot: function(curve, point, u) {
+		var curve1 = [],
+			curve2 = [];
+		for (var i = 0; i <= 2; i++) {
+			curve1[i] = curve[i + 1].subtract(curve[i]).multiply(3);
+		}
+		for (var i = 0; i <= 1; i++) {
+			curve2[i] = curve1[i + 1].subtract(curve1[i]).multiply(2);
+		}
+		var pt = this.evaluate(3, curve, u),
+			pt1 = this.evaluate(2, curve1, u),
+			pt2 = this.evaluate(1, curve2, u),
+			diff = pt.subtract(point),
+			df = pt1.dot(pt1) + diff.dot(pt2);
+		if (Math.abs(df) < 0.00001)
+			return u;
+		return u - diff.dot(pt1) / df;
+	},
+
+	evaluate: function(degree, curve, t) {
+		var tmp = curve.slice();
+		for (var i = 1; i <= degree; i++) {
+			for (var j = 0; j <= degree - i; j++) {
+				tmp[j] = tmp[j].multiply(1 - t).add(tmp[j + 1].multiply(t));
+			}
+		}
+		return tmp[0];
+	},
+
+	chordLengthParameterize: function(first, last) {
+		var u = [0];
+		for (var i = first + 1; i <= last; i++) {
+			u[i - first] = u[i - first - 1]
+					+ this.points[i].getDistance(this.points[i - 1]);
+		}
+		for (var i = 1, m = last - first; i <= m; i++) {
+			u[i] /= u[m];
+		}
+		return u;
+	},
+
+	findMaxError: function(first, last, curve, u) {
+		var index = Math.floor((last - first + 1) / 2),
+			maxDist = 0;
+		for (var i = first + 1; i < last; i++) {
+			var P = this.evaluate(3, curve, u[i - first]);
+			var v = P.subtract(this.points[i]);
+			var dist = v.x * v.x + v.y * v.y; 
+			if (dist >= maxDist) {
+				maxDist = dist;
+				index = i;
+			}
+		}
+		return {
+			error: maxDist,
+			index: index
+		};
+	}
+});
+
+var TextItem = Item.extend({
+	_class: 'TextItem',
+	_boundsSelected: true,
+	_applyMatrix: false,
+	_canApplyMatrix: false,
+	_serializeFields: {
+		content: null
+	},
+	_boundsGetter: 'getBounds',
+
+	initialize: function TextItem(arg) {
+		this._content = '';
+		this._lines = [];
+		var hasProps = arg && Base.isPlainObject(arg)
+				&& arg.x === undefined && arg.y === undefined;
+		this._initialize(hasProps && arg, !hasProps && Point.read(arguments));
+	},
+
+	_equals: function(item) {
+		return this._content === item._content;
+	},
+
+	_clone: function _clone(copy) {
+		copy.setContent(this._content);
+		return _clone.base.call(this, copy);
+	},
+
+	getContent: function() {
+		return this._content;
+	},
+
+	setContent: function(content) {
+		this._content = '' + content;
+		this._lines = this._content.split(/\r\n|\n|\r/mg);
+		this._changed(265);
+	},
+
+	isEmpty: function() {
+		return !this._content;
+	},
+
+	getCharacterStyle: '#getStyle',
+	setCharacterStyle: '#setStyle',
+
+	getParagraphStyle: '#getStyle',
+	setParagraphStyle: '#setStyle'
+});
+
+var PointText = TextItem.extend({
+	_class: 'PointText',
+
+	initialize: function PointText() {
+		TextItem.apply(this, arguments);
+	},
+
+	clone: function(insert) {
+		return this._clone(new PointText(Item.NO_INSERT), insert);
+	},
+
+	getPoint: function() {
+		var point = this._matrix.getTranslation();
+		return new LinkedPoint(point.x, point.y, this, 'setPoint');
+	},
+
+	setPoint: function() {
+		var point = Point.read(arguments);
+		this.translate(point.subtract(this._matrix.getTranslation()));
+	},
+
+	_draw: function(ctx) {
+		if (!this._content)
+			return;
+		this._setStyles(ctx);
+		var style = this._style,
+			lines = this._lines,
+			leading = style.getLeading(),
+			shadowColor = ctx.shadowColor;
+		ctx.font = style.getFontStyle();
+		ctx.textAlign = style.getJustification();
+		for (var i = 0, l = lines.length; i < l; i++) {
+			ctx.shadowColor = shadowColor;
+			var line = lines[i];
+			if (style.hasFill()) {
+				ctx.fillText(line, 0, 0);
+				ctx.shadowColor = 'rgba(0,0,0,0)';
+			}
+			if (style.hasStroke())
+				ctx.strokeText(line, 0, 0);
+			ctx.translate(0, leading);
+		}
+	},
+
+	_getBounds: function(getter, matrix) {
+		var style = this._style,
+			lines = this._lines,
+			numLines = lines.length,
+			justification = style.getJustification(),
+			leading = style.getLeading(),
+			width = this.getView().getTextWidth(style.getFontStyle(), lines),
+			x = 0;
+		if (justification !== 'left')
+			x -= width / (justification === 'center' ? 2: 1);
+		var bounds = new Rectangle(x,
+					numLines ? - 0.75 * leading : 0,
+					width, numLines * leading);
+		return matrix ? matrix._transformBounds(bounds, bounds) : bounds;
+	}
+});
+
+var Color = Base.extend(new function() {
+
+	var types = {
+		gray: ['gray'],
+		rgb: ['red', 'green', 'blue'],
+		hsb: ['hue', 'saturation', 'brightness'],
+		hsl: ['hue', 'saturation', 'lightness'],
+		gradient: ['gradient', 'origin', 'destination', 'highlight']
+	};
+
+	var componentParsers = {},
+		colorCache = {},
+		colorCtx;
+
+	function fromCSS(string) {
+		var match = string.match(/^#(\w{1,2})(\w{1,2})(\w{1,2})$/),
+			components;
+		if (match) {
+			components = [0, 0, 0];
+			for (var i = 0; i < 3; i++) {
+				var value = match[i + 1];
+				components[i] = parseInt(value.length == 1
+						? value + value : value, 16) / 255;
+			}
+		} else if (match = string.match(/^rgba?\((.*)\)$/)) {
+			components = match[1].split(',');
+			for (var i = 0, l = components.length; i < l; i++) {
+				var value = +components[i];
+				components[i] = i < 3 ? value / 255 : value;
+			}
+		} else {
+			var cached = colorCache[string];
+			if (!cached) {
+				if (!colorCtx) {
+					colorCtx = CanvasProvider.getContext(1, 1);
+					colorCtx.globalCompositeOperation = 'copy';
+				}
+				colorCtx.fillStyle = 'rgba(0,0,0,0)';
+				colorCtx.fillStyle = string;
+				colorCtx.fillRect(0, 0, 1, 1);
+				var data = colorCtx.getImageData(0, 0, 1, 1).data;
+				cached = colorCache[string] = [
+					data[0] / 255,
+					data[1] / 255,
+					data[2] / 255
+				];
+			}
+			components = cached.slice();
+		}
+		return components;
+	}
+
+	var hsbIndices = [
+		[0, 3, 1], 
+		[2, 0, 1], 
+		[1, 0, 3], 
+		[1, 2, 0], 
+		[3, 1, 0], 
+		[0, 1, 2]  
+	];
+
+	var converters = {
+		'rgb-hsb': function(r, g, b) {
+			var max = Math.max(r, g, b),
+				min = Math.min(r, g, b),
+				delta = max - min,
+				h = delta === 0 ? 0
+					:   ( max == r ? (g - b) / delta + (g < b ? 6 : 0)
+						: max == g ? (b - r) / delta + 2
+						:            (r - g) / delta + 4) * 60; 
+			return [h, max === 0 ? 0 : delta / max, max];
+		},
+
+		'hsb-rgb': function(h, s, b) {
+			h = (((h / 60) % 6) + 6) % 6;
+			var i = Math.floor(h), 
+				f = h - i,
+				i = hsbIndices[i],
+				v = [
+					b,						
+					b * (1 - s),			
+					b * (1 - s * f),		
+					b * (1 - s * (1 - f))	
+				];
+			return [v[i[0]], v[i[1]], v[i[2]]];
+		},
+
+		'rgb-hsl': function(r, g, b) {
+			var max = Math.max(r, g, b),
+				min = Math.min(r, g, b),
+				delta = max - min,
+				achromatic = delta === 0,
+				h = achromatic ? 0
+					:   ( max == r ? (g - b) / delta + (g < b ? 6 : 0)
+						: max == g ? (b - r) / delta + 2
+						:            (r - g) / delta + 4) * 60, 
+				l = (max + min) / 2,
+				s = achromatic ? 0 : l < 0.5
+						? delta / (max + min)
+						: delta / (2 - max - min);
+			return [h, s, l];
+		},
+
+		'hsl-rgb': function(h, s, l) {
+			h = (((h / 360) % 1) + 1) % 1;
+			if (s === 0)
+				return [l, l, l];
+			var t3s = [ h + 1 / 3, h, h - 1 / 3 ],
+				t2 = l < 0.5 ? l * (1 + s) : l + s - l * s,
+				t1 = 2 * l - t2,
+				c = [];
+			for (var i = 0; i < 3; i++) {
+				var t3 = t3s[i];
+				if (t3 < 0) t3 += 1;
+				if (t3 > 1) t3 -= 1;
+				c[i] = 6 * t3 < 1
+					? t1 + (t2 - t1) * 6 * t3
+					: 2 * t3 < 1
+						? t2
+						: 3 * t3 < 2
+							? t1 + (t2 - t1) * ((2 / 3) - t3) * 6
+							: t1;
+			}
+			return c;
+		},
+
+		'rgb-gray': function(r, g, b) {
+			return [r * 0.2989 + g * 0.587 + b * 0.114];
+		},
+
+		'gray-rgb': function(g) {
+			return [g, g, g];
+		},
+
+		'gray-hsb': function(g) {
+			return [0, 0, g];
+		},
+
+		'gray-hsl': function(g) {
+			return [0, 0, g];
+		},
+
+		'gradient-rgb': function() {
+			return [];
+		},
+
+		'rgb-gradient': function() {
+			return [];
+		}
+
+	};
+
+	return Base.each(types, function(properties, type) {
+		componentParsers[type] = [];
+		Base.each(properties, function(name, index) {
+			var part = Base.capitalize(name),
+				hasOverlap = /^(hue|saturation)$/.test(name),
+				parser = componentParsers[type][index] = name === 'gradient'
+					? function(value) {
+						var current = this._components[0];
+						value = Gradient.read(Array.isArray(value) ? value
+								: arguments, 0, { readNull: true });
+						if (current !== value) {
+							if (current)
+								current._removeOwner(this);
+							if (value)
+								value._addOwner(this);
+						}
+						return value;
+					}
+					: type === 'gradient'
+						? function() {
+							return Point.read(arguments, 0, {
+									readNull: name === 'highlight',
+									clone: true
+							});
+						}
+						: function(value) {
+							return value == null || isNaN(value) ? 0 : value;
+						};
+
+			this['get' + part] = function() {
+				return this._type === type
+					|| hasOverlap && /^hs[bl]$/.test(this._type)
+						? this._components[index]
+						: this._convert(type)[index];
+			};
+
+			this['set' + part] = function(value) {
+				if (this._type !== type
+						&& !(hasOverlap && /^hs[bl]$/.test(this._type))) {
+					this._components = this._convert(type);
+					this._properties = types[type];
+					this._type = type;
+				}
+				value = parser.call(this, value);
+				if (value != null) {
+					this._components[index] = value;
+					this._changed();
+				}
+			};
+		}, this);
+	}, {
+		_class: 'Color',
+		_readIndex: true,
+
+		initialize: function Color(arg) {
+			var slice = Array.prototype.slice,
+				args = arguments,
+				read = 0,
+				type,
+				components,
+				alpha,
+				values;
+			if (Array.isArray(arg)) {
+				args = arg;
+				arg = args[0];
+			}
+			var argType = arg != null && typeof arg;
+			if (argType === 'string' && arg in types) {
+				type = arg;
+				arg = args[1];
+				if (Array.isArray(arg)) {
+					components = arg;
+					alpha = args[2];
+				} else {
+					if (this.__read)
+						read = 1; 
+					args = slice.call(args, 1);
+					argType = typeof arg;
+				}
+			}
+			if (!components) {
+				values = argType === 'number'
+						? args
+						: argType === 'object' && arg.length != null
+							? arg
+							: null;
+				if (values) {
+					if (!type)
+						type = values.length >= 3
+								? 'rgb'
+								: 'gray';
+					var length = types[type].length;
+					alpha = values[length];
+					if (this.__read)
+						read += values === arguments
+							? length + (alpha != null ? 1 : 0)
+							: 1;
+					if (values.length > length)
+						values = slice.call(values, 0, length);
+				} else if (argType === 'string') {
+					type = 'rgb';
+					components = fromCSS(arg);
+					if (components.length === 4) {
+						alpha = components[3];
+						components.length--;
+					}
+				} else if (argType === 'object') {
+					if (arg.constructor === Color) {
+						type = arg._type;
+						components = arg._components.slice();
+						alpha = arg._alpha;
+						if (type === 'gradient') {
+							for (var i = 1, l = components.length; i < l; i++) {
+								var point = components[i];
+								if (point)
+									components[i] = point.clone();
+							}
+						}
+					} else if (arg.constructor === Gradient) {
+						type = 'gradient';
+						values = args;
+					} else {
+						type = 'hue' in arg
+							? 'lightness' in arg
+								? 'hsl'
+								: 'hsb'
+							: 'gradient' in arg || 'stops' in arg
+									|| 'radial' in arg
+								? 'gradient'
+								: 'gray' in arg
+									? 'gray'
+									: 'rgb';
+						var properties = types[type];
+							parsers = componentParsers[type];
+						this._components = components = [];
+						for (var i = 0, l = properties.length; i < l; i++) {
+							var value = arg[properties[i]];
+							if (value == null && i === 0 && type === 'gradient'
+									&& 'stops' in arg) {
+								value = {
+									stops: arg.stops,
+									radial: arg.radial
+								};
+							}
+							value = parsers[i].call(this, value);
+							if (value != null)
+								components[i] = value;
+						}
+						alpha = arg.alpha;
+					}
+				}
+				if (this.__read && type)
+					read = 1;
+			}
+			this._type = type || 'rgb';
+			if (type === 'gradient')
+				this._id = Color._id = (Color._id || 0) + 1;
+			if (!components) {
+				this._components = components = [];
+				var parsers = componentParsers[this._type];
+				for (var i = 0, l = parsers.length; i < l; i++) {
+					var value = parsers[i].call(this, values && values[i]);
+					if (value != null)
+						components[i] = value;
+				}
+			}
+			this._components = components;
+			this._properties = types[this._type];
+			this._alpha = alpha;
+			if (this.__read)
+				this.__read = read;
+		},
+
+		_serialize: function(options, dictionary) {
+			var components = this.getComponents();
+			return Base.serialize(
+					/^(gray|rgb)$/.test(this._type)
+						? components
+						: [this._type].concat(components),
+					options, true, dictionary);
+		},
+
+		_changed: function() {
+			this._canvasStyle = null;
+			if (this._owner)
+				this._owner._changed(65);
+		},
+
+		_convert: function(type) {
+			var converter;
+			return this._type === type
+					? this._components.slice()
+					: (converter = converters[this._type + '-' + type])
+						? converter.apply(this, this._components)
+						: converters['rgb-' + type].apply(this,
+							converters[this._type + '-rgb'].apply(this,
+								this._components));
+		},
+
+		convert: function(type) {
+			return new Color(type, this._convert(type), this._alpha);
+		},
+
+		getType: function() {
+			return this._type;
+		},
+
+		setType: function(type) {
+			this._components = this._convert(type);
+			this._properties = types[type];
+			this._type = type;
+		},
+
+		getComponents: function() {
+			var components = this._components.slice();
+			if (this._alpha != null)
+				components.push(this._alpha);
+			return components;
+		},
+
+		getAlpha: function() {
+			return this._alpha != null ? this._alpha : 1;
+		},
+
+		setAlpha: function(alpha) {
+			this._alpha = alpha == null ? null : Math.min(Math.max(alpha, 0), 1);
+			this._changed();
+		},
+
+		hasAlpha: function() {
+			return this._alpha != null;
+		},
+
+		equals: function(color) {
+			var col = Base.isPlainValue(color)
+					? Color.read(arguments)
+					: color;
+			return col === this || col && this._class === col._class
+					&& this._type === col._type
+					&& this._alpha === col._alpha
+					&& Base.equals(this._components, col._components)
+					|| false;
+		},
+
+		toString: function() {
+			var properties = this._properties,
+				parts = [],
+				isGradient = this._type === 'gradient',
+				f = Formatter.instance;
+			for (var i = 0, l = properties.length; i < l; i++) {
+				var value = this._components[i];
+				if (value != null)
+					parts.push(properties[i] + ': '
+							+ (isGradient ? value : f.number(value)));
+			}
+			if (this._alpha != null)
+				parts.push('alpha: ' + f.number(this._alpha));
+			return '{ ' + parts.join(', ') + ' }';
+		},
+
+		toCSS: function(hex) {
+			var components = this._convert('rgb'),
+				alpha = hex || this._alpha == null ? 1 : this._alpha;
+			function convert(val) {
+				return Math.round((val < 0 ? 0 : val > 1 ? 1 : val) * 255);
+			}
+			components = [
+				convert(components[0]),
+				convert(components[1]),
+				convert(components[2])
+			];
+			if (alpha < 1)
+				components.push(alpha < 0 ? 0 : alpha);
+			return hex
+					? '#' + ((1 << 24) + (components[0] << 16)
+						+ (components[1] << 8)
+						+ components[2]).toString(16).slice(1)
+					: (components.length == 4 ? 'rgba(' : 'rgb(')
+						+ components.join(',') + ')';
+		},
+
+		toCanvasStyle: function(ctx) {
+			if (this._canvasStyle)
+				return this._canvasStyle;
+			if (this._type !== 'gradient')
+				return this._canvasStyle = this.toCSS();
+			var components = this._components,
+				gradient = components[0],
+				stops = gradient._stops,
+				origin = components[1],
+				destination = components[2],
+				canvasGradient;
+			if (gradient._radial) {
+				var radius = destination.getDistance(origin),
+					highlight = components[3];
+				if (highlight) {
+					var vector = highlight.subtract(origin);
+					if (vector.getLength() > radius)
+						highlight = origin.add(vector.normalize(radius - 0.1));
+				}
+				var start = highlight || origin;
+				canvasGradient = ctx.createRadialGradient(start.x, start.y,
+						0, origin.x, origin.y, radius);
+			} else {
+				canvasGradient = ctx.createLinearGradient(origin.x, origin.y,
+						destination.x, destination.y);
+			}
+			for (var i = 0, l = stops.length; i < l; i++) {
+				var stop = stops[i];
+				canvasGradient.addColorStop(stop._rampPoint,
+						stop._color.toCanvasStyle());
+			}
+			return this._canvasStyle = canvasGradient;
+		},
+
+		transform: function(matrix) {
+			if (this._type === 'gradient') {
+				var components = this._components;
+				for (var i = 1, l = components.length; i < l; i++) {
+					var point = components[i];
+					matrix._transformPoint(point, point, true);
+				}
+				this._changed();
+			}
+		},
+
+		statics: {
+			_types: types,
+
+			random: function() {
+				var random = Math.random;
+				return new Color(random(), random(), random());
+			}
+		}
+	});
+}, new function() {
+	var operators = {
+		add: function(a, b) {
+			return a + b;
+		},
+
+		subtract: function(a, b) {
+			return a - b;
+		},
+
+		multiply: function(a, b) {
+			return a * b;
+		},
+
+		divide: function(a, b) {
+			return a / b;
+		}
+	};
+
+	return Base.each(operators, function(operator, name) {
+		this[name] = function(color) {
+			color = Color.read(arguments);
+			var type = this._type,
+				components1 = this._components,
+				components2 = color._convert(type);
+			for (var i = 0, l = components1.length; i < l; i++)
+				components2[i] = operator(components1[i], components2[i]);
+			return new Color(type, components2,
+					this._alpha != null
+							? operator(this._alpha, color.getAlpha())
+							: null);
+		};
+	}, {
+	});
+});
+
+Base.each(Color._types, function(properties, type) {
+	var ctor = this[Base.capitalize(type) + 'Color'] = function(arg) {
+			var argType = arg != null && typeof arg,
+				components = argType === 'object' && arg.length != null
+					? arg
+					: argType === 'string'
+						? null
+						: arguments;
+			return components
+					? new Color(type, components)
+					: new Color(arg);
+		};
+	if (type.length == 3) {
+		var acronym = type.toUpperCase();
+		Color[acronym] = this[acronym + 'Color'] = ctor;
+	}
+}, Base.exports);
+
+var Gradient = Base.extend({
+	_class: 'Gradient',
+
+	initialize: function Gradient(stops, radial) {
+		this._id = Gradient._id = (Gradient._id || 0) + 1;
+		if (stops && this._set(stops))
+			stops = radial = null;
+		if (!this._stops)
+			this.setStops(stops || ['white', 'black']);
+		if (this._radial == null)
+			this.setRadial(typeof radial === 'string' && radial === 'radial'
+					|| radial || false);
+	},
+
+	_serialize: function(options, dictionary) {
+		return dictionary.add(this, function() {
+			return Base.serialize([this._stops, this._radial],
+					options, true, dictionary);
+		});
+	},
+
+	_changed: function() {
+		for (var i = 0, l = this._owners && this._owners.length; i < l; i++)
+			this._owners[i]._changed();
+	},
+
+	_addOwner: function(color) {
+		if (!this._owners)
+			this._owners = [];
+		this._owners.push(color);
+	},
+
+	_removeOwner: function(color) {
+		var index = this._owners ? this._owners.indexOf(color) : -1;
+		if (index != -1) {
+			this._owners.splice(index, 1);
+			if (this._owners.length === 0)
+				this._owners = undefined;
+		}
+	},
+
+	clone: function() {
+		var stops = [];
+		for (var i = 0, l = this._stops.length; i < l; i++)
+			stops[i] = this._stops[i].clone();
+		return new Gradient(stops);
+	},
+
+	getStops: function() {
+		return this._stops;
+	},
+
+	setStops: function(stops) {
+		if (this.stops) {
+			for (var i = 0, l = this._stops.length; i < l; i++)
+				this._stops[i]._owner = undefined;
+		}
+		if (stops.length < 2)
+			throw new Error(
+					'Gradient stop list needs to contain at least two stops.');
+		this._stops = GradientStop.readAll(stops, 0, { clone: true });
+		for (var i = 0, l = this._stops.length; i < l; i++) {
+			var stop = this._stops[i];
+			stop._owner = this;
+			if (stop._defaultRamp)
+				stop.setRampPoint(i / (l - 1));
+		}
+		this._changed();
+	},
+
+	getRadial: function() {
+		return this._radial;
+	},
+
+	setRadial: function(radial) {
+		this._radial = radial;
+		this._changed();
+	},
+
+	equals: function(gradient) {
+		if (gradient === this)
+			return true;
+		if (gradient &&  this._class === gradient._class
+				&& this._stops.length === gradient._stops.length) {
+			for (var i = 0, l = this._stops.length; i < l; i++) {
+				if (!this._stops[i].equals(gradient._stops[i]))
+					return false;
+			}
+			return true;
+		}
+		return false;
+	}
+});
+
+var GradientStop = Base.extend({
+	_class: 'GradientStop',
+
+	initialize: function GradientStop(arg0, arg1) {
+		if (arg0) {
+			var color, rampPoint;
+			if (arg1 === undefined && Array.isArray(arg0)) {
+				color = arg0[0];
+				rampPoint = arg0[1];
+			} else if (arg0.color) {
+				color = arg0.color;
+				rampPoint = arg0.rampPoint;
+			} else {
+				color = arg0;
+				rampPoint = arg1;
+			}
+			this.setColor(color);
+			this.setRampPoint(rampPoint);
+		}
+	},
+
+	clone: function() {
+		return new GradientStop(this._color.clone(), this._rampPoint);
+	},
+
+	_serialize: function(options, dictionary) {
+		return Base.serialize([this._color, this._rampPoint], options, true,
+				dictionary);
+	},
+
+	_changed: function() {
+		if (this._owner)
+			this._owner._changed(65);
+	},
+
+	getRampPoint: function() {
+		return this._rampPoint;
+	},
+
+	setRampPoint: function(rampPoint) {
+		this._defaultRamp = rampPoint == null;
+		this._rampPoint = rampPoint || 0;
+		this._changed();
+	},
+
+	getColor: function() {
+		return this._color;
+	},
+
+	setColor: function(color) {
+		this._color = Color.read(arguments);
+		if (this._color === color)
+			this._color = color.clone();
+		this._color._owner = this;
+		this._changed();
+	},
+
+	equals: function(stop) {
+		return stop === this || stop && this._class === stop._class
+				&& this._color.equals(stop._color)
+				&& this._rampPoint == stop._rampPoint
+				|| false;
+	}
+});
+
+var Style = Base.extend(new function() {
+	var defaults = {
+		fillColor: undefined,
+		strokeColor: undefined,
+		strokeWidth: 1,
+		strokeCap: 'butt',
+		strokeJoin: 'miter',
+		miterLimit: 10,
+		dashOffset: 0,
+		dashArray: [],
+		windingRule: 'nonzero',
+		shadowColor: undefined,
+		shadowBlur: 0,
+		shadowOffset: new Point(),
+		selectedColor: undefined,
+		fontFamily: 'sans-serif',
+		fontWeight: 'normal',
+		fontSize: 12,
+		font: 'sans-serif', 
+		leading: null,
+		justification: 'left'
+	};
+
+	var flags = {
+		strokeWidth: 97,
+		strokeCap: 97,
+		strokeJoin: 97,
+		miterLimit: 97,
+		fontFamily: 9,
+		fontWeight: 9,
+		fontSize: 9,
+		font: 9, 
+		leading: 9,
+		justification: 9
+	};
+
+	var item = {},
+		fields = {
+			_defaults: defaults,
+			_textDefaults: new Base(defaults, {
+				fillColor: new Color() 
+			}),
+			beans: true
+		};
+
+	Base.each(defaults, function(value, key) {
+		var isColor = /Color$/.test(key),
+			part = Base.capitalize(key),
+			flag = flags[key],
+			set = 'set' + part,
+			get = 'get' + part;
+
+		fields[set] = function(value) {
+			var owner = this._owner,
+				children = owner && owner._children;
+			if (children && children.length > 0
+					&& !(owner instanceof CompoundPath)) {
+				for (var i = 0, l = children.length; i < l; i++)
+					children[i]._style[set](value);
+			} else {
+				var old = this._values[key];
+				if (old != value) {
+					if (isColor) {
+						if (old)
+							old._owner = undefined;
+						if (value && value.constructor === Color) {
+							if (value._owner)
+								value = value.clone();
+							value._owner = owner;
+						}
+					}
+					this._values[key] = value;
+					if (owner)
+						owner._changed(flag || 65);
+				}
+			}
+		};
+
+		fields[get] = function(_dontMerge) {
+			var owner = this._owner,
+				children = owner && owner._children,
+				value;
+			if (!children || children.length === 0 || _dontMerge
+					|| owner instanceof CompoundPath) {
+				var value = this._values[key];
+				if (value === undefined) {
+					value = this._defaults[key];
+					if (value && value.clone)
+						value = value.clone();
+					this._values[key] = value;
+				} else if (isColor && !(value && value.constructor === Color)) {
+					this._values[key] = value = Color.read([value], 0,
+							{ readNull: true, clone: true });
+					if (value)
+						value._owner = owner;
+				}
+				return value;
+			}
+			for (var i = 0, l = children.length; i < l; i++) {
+				var childValue = children[i]._style[get]();
+				if (i === 0) {
+					value = childValue;
+				} else if (!Base.equals(value, childValue)) {
+					return undefined;
+				}
+			}
+			return value;
+		};
+
+		item[get] = function() {
+			return this._style[get]();
+		};
+
+		item[set] = function(value) {
+			this._style[set](value);
+		};
+	});
+
+	Item.inject(item);
+	return fields;
+}, {
+	_class: 'Style',
+
+	initialize: function Style(style, _owner, _project) {
+		this._values = {};
+		this._owner = _owner;
+		this._project = _owner && _owner._project || _project || paper.project;
+		if (_owner instanceof TextItem)
+			this._defaults = this._textDefaults;
+		if (style)
+			this.set(style);
+	},
+
+	set: function(style) {
+		var isStyle = style instanceof Style,
+			values = isStyle ? style._values : style;
+		if (values) {
+			for (var key in values) {
+				if (key in this._defaults) {
+					var value = values[key];
+					this[key] = value && isStyle && value.clone
+							? value.clone() : value;
+				}
+			}
+		}
+	},
+
+	equals: function(style) {
+		return style === this || style && this._class === style._class
+				&& Base.equals(this._values, style._values)
+				|| false;
+	},
+
+	hasFill: function() {
+		return !!this.getFillColor();
+	},
+
+	hasStroke: function() {
+		return !!this.getStrokeColor() && this.getStrokeWidth() > 0;
+	},
+
+	hasShadow: function() {
+		return !!this.getShadowColor() && this.getShadowBlur() > 0;
+	},
+
+	getView: function() {
+		return this._project.getView();
+	},
+
+	getFontStyle: function() {
+		var fontSize = this.getFontSize();
+		return this.getFontWeight()
+				+ ' ' + fontSize + (/[a-z]/i.test(fontSize + '') ? ' ' : 'px ')
+				+ this.getFontFamily();
+	},
+
+	getFont: '#getFontFamily',
+	setFont: '#setFontFamily',
+
+	getLeading: function getLeading() {
+		var leading = getLeading.base.call(this),
+			fontSize = this.getFontSize();
+		if (/pt|em|%|px/.test(fontSize))
+			fontSize = this.getView().getPixelSize(fontSize);
+		return leading != null ? leading : fontSize * 1.2;
+	}
+
+});
+
+var DomElement = new function() {
+
+	var special = /^(checked|value|selected|disabled)$/i,
+		translated = { text: 'textContent', html: 'innerHTML' },
+		unitless = { lineHeight: 1, zoom: 1, zIndex: 1, opacity: 1 };
+
+	function create(nodes, parent) {
+		var res = [];
+		for (var i =  0, l = nodes && nodes.length; i < l;) {
+			var el = nodes[i++];
+			if (typeof el === 'string') {
+				el = document.createElement(el);
+			} else if (!el || !el.nodeType) {
+				continue;
+			}
+			if (Base.isPlainObject(nodes[i]))
+				DomElement.set(el, nodes[i++]);
+			if (Array.isArray(nodes[i]))
+				create(nodes[i++], el);
+			if (parent)
+				parent.appendChild(el);
+			res.push(el);
+		}
+		return res;
+	}
+
+	function handlePrefix(el, name, set, value) {
+		var prefixes = ['webkit', 'moz', 'Moz', 'ms', 'o', ''],
+			suffix = name[0].toUpperCase() + name.substring(1);
+		for (var i = 0; i < 6; i++) {
+			var prefix = prefixes[i],
+				key = prefix ? prefix + suffix : name;
+			if (key in el) {
+				if (set) {
+					el[key] = value;
+				} else {
+					return el[key];
+				}
+				break;
+			}
+		}
+	}
+
+	return {
+		create: function(nodes, parent) {
+			var isArray = Array.isArray(nodes),
+				res = create(isArray ? nodes : arguments, isArray ? parent : null);
+			return res.length == 1 ? res[0] : res;
+		},
+
+		find: function(selector, root) {
+			return (root || document).querySelector(selector);
+		},
+
+		findAll: function(selector, root) {
+			return (root || document).querySelectorAll(selector);
+		},
+
+		get: function(el, key) {
+			return el
+				? special.test(key)
+					? key === 'value' || typeof el[key] !== 'string'
+						? el[key]
+						: true
+					: key in translated
+						? el[translated[key]]
+						: el.getAttribute(key)
+				: null;
+		},
+
+		set: function(el, key, value) {
+			if (typeof key !== 'string') {
+				for (var name in key)
+					if (key.hasOwnProperty(name))
+						this.set(el, name, key[name]);
+			} else if (!el || value === undefined) {
+				return el;
+			} else if (special.test(key)) {
+				el[key] = value;
+			} else if (key in translated) {
+				el[translated[key]] = value;
+			} else if (key === 'style') {
+				this.setStyle(el, value);
+			} else if (key === 'events') {
+				DomEvent.add(el, value);
+			} else {
+				el.setAttribute(key, value);
+			}
+			return el;
+		},
+
+		getStyles: function(el) {
+			var doc = el && el.nodeType !== 9 ? el.ownerDocument : el,
+				view = doc && doc.defaultView;
+			return view && view.getComputedStyle(el, '');
+		},
+
+		getStyle: function(el, key) {
+			return el && el.style[key] || this.getStyles(el)[key] || null;
+		},
+
+		setStyle: function(el, key, value) {
+			if (typeof key !== 'string') {
+				for (var name in key)
+					if (key.hasOwnProperty(name))
+						this.setStyle(el, name, key[name]);
+			} else {
+				if (/^-?[\d\.]+$/.test(value) && !(key in unitless))
+					value += 'px';
+				el.style[key] = value;
+			}
+			return el;
+		},
+
+		hasClass: function(el, cls) {
+			return new RegExp('\\s*' + cls + '\\s*').test(el.className);
+		},
+
+		addClass: function(el, cls) {
+			el.className = (el.className + ' ' + cls).trim();
+		},
+
+		removeClass: function(el, cls) {
+			el.className = el.className.replace(
+				new RegExp('\\s*' + cls + '\\s*'), ' ').trim();
+		},
+
+		remove: function(el) {
+			if (el.parentNode)
+				el.parentNode.removeChild(el);
+		},
+
+		removeChildren: function(el) {
+			while (el.firstChild)
+				el.removeChild(el.firstChild);
+		},
+
+		getBounds: function(el, viewport) {
+			var doc = el.ownerDocument,
+				body = doc.body,
+				html = doc.documentElement,
+				rect;
+			try {
+				rect = el.getBoundingClientRect();
+			} catch (e) {
+				rect = { left: 0, top: 0, width: 0, height: 0 };
+			}
+			var x = rect.left - (html.clientLeft || body.clientLeft || 0),
+				y = rect.top - (html.clientTop  || body.clientTop  || 0);
+			if (!viewport) {
+				var view = doc.defaultView;
+				x += view.pageXOffset || html.scrollLeft || body.scrollLeft;
+				y += view.pageYOffset || html.scrollTop || body.scrollTop;
+			}
+			return new Rectangle(x, y, rect.width, rect.height);
+		},
+
+		getViewportBounds: function(el) {
+			var doc = el.ownerDocument,
+				view = doc.defaultView,
+				html = doc.documentElement;
+			return new Rectangle(0, 0,
+				view.innerWidth || html.clientWidth,
+				view.innerHeight || html.clientHeight
+			);
+		},
+
+		getOffset: function(el, viewport) {
+			return this.getBounds(el, viewport).getPoint();
+		},
+
+		getSize: function(el) {
+			return this.getBounds(el, true).getSize();
+		},
+
+		isInvisible: function(el) {
+			return this.getSize(el).equals(new Size(0, 0));
+		},
+
+		isInView: function(el) {
+			return !this.isInvisible(el) && this.getViewportBounds(el).intersects(
+					this.getBounds(el, true));
+		},
+
+		getPrefixed: function(el, name) {
+			return handlePrefix(el, name);
+		},
+
+		setPrefixed: function(el, name, value) {
+			if (typeof name === 'object') {
+				for (var key in name)
+					handlePrefix(el, key, true, name[key]);
+			} else {
+				handlePrefix(el, name, true, value);
+			}
+		}
+	};
+};
+
+var DomEvent = {
+	add: function(el, events) {
+		for (var type in events) {
+			var func = events[type],
+				parts = type.split(/[\s,]+/g);
+			for (var i = 0, l = parts.length; i < l; i++)
+				el.addEventListener(parts[i], func, false);
+		}
+	},
+
+	remove: function(el, events) {
+		for (var type in events) {
+			var func = events[type],
+				parts = type.split(/[\s,]+/g);
+			for (var i = 0, l = parts.length; i < l; i++)
+				el.removeEventListener(parts[i], func, false);
+		}
+	},
+
+	getPoint: function(event) {
+		var pos = event.targetTouches
+				? event.targetTouches.length
+					? event.targetTouches[0]
+					: event.changedTouches[0]
+				: event;
+		return new Point(
+			pos.pageX || pos.clientX + document.documentElement.scrollLeft,
+			pos.pageY || pos.clientY + document.documentElement.scrollTop
+		);
+	},
+
+	getTarget: function(event) {
+		return event.target || event.srcElement;
+	},
+
+	getRelatedTarget: function(event) {
+		return event.relatedTarget || event.toElement;
+	},
+
+	getOffset: function(event, target) {
+		return DomEvent.getPoint(event).subtract(DomElement.getOffset(
+				target || DomEvent.getTarget(event)));
+	},
+
+	stop: function(event) {
+		event.stopPropagation();
+		event.preventDefault();
+	}
+};
+
+DomEvent.requestAnimationFrame = new function() {
+	var nativeRequest = DomElement.getPrefixed(window, 'requestAnimationFrame'),
+		requested = false,
+		callbacks = [],
+		focused = true,
+		timer;
+
+	DomEvent.add(window, {
+		focus: function() {
+			focused = true;
+		},
+		blur: function() {
+			focused = false;
+		}
+	});
+
+	function handleCallbacks() {
+		for (var i = callbacks.length - 1; i >= 0; i--) {
+			var entry = callbacks[i],
+				func = entry[0],
+				el = entry[1];
+			if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true'
+					|| focused) && DomElement.isInView(el)) {
+				callbacks.splice(i, 1);
+				func();
+			}
+		}
+		if (nativeRequest) {
+			if (callbacks.length) {
+				nativeRequest(handleCallbacks);
+			} else {
+				requested = false;
+			}
+		}
+	}
+
+	return function(callback, element) {
+		callbacks.push([callback, element]);
+		if (nativeRequest) {
+			if (!requested) {
+				nativeRequest(handleCallbacks);
+				requested = true;
+			}
+		} else if (!timer) {
+			timer = setInterval(handleCallbacks, 1000 / 60);
+		}
+	};
+};
+
+var View = Base.extend(Callback, {
+	_class: 'View',
+
+	initialize: function View(project, element) {
+		this._project = project;
+		this._scope = project._scope;
+		this._element = element;
+		var size;
+		if (!this._pixelRatio)
+			this._pixelRatio = window.devicePixelRatio || 1;
+		this._id = element.getAttribute('id');
+		if (this._id == null)
+			element.setAttribute('id', this._id = 'view-' + View._id++);
+		DomEvent.add(element, this._viewEvents);
+		var none = 'none';
+		DomElement.setPrefixed(element.style, {
+			userSelect: none,
+			touchAction: none,
+			touchCallout: none,
+			contentZooming: none,
+			userDrag: none,
+			tapHighlightColor: 'rgba(0,0,0,0)'
+		});
+		if (PaperScope.hasAttribute(element, 'resize')) {
+			var offset = DomElement.getOffset(element, true),
+				that = this;
+			size = DomElement.getViewportBounds(element)
+					.getSize().subtract(offset);
+			this._windowEvents = {
+				resize: function() {
+					if (!DomElement.isInvisible(element))
+						offset = DomElement.getOffset(element, true);
+					that.setViewSize(DomElement.getViewportBounds(element)
+							.getSize().subtract(offset));
+				}
+			};
+			DomEvent.add(window, this._windowEvents);
+		} else {
+			size = DomElement.getSize(element);
+			if (size.isNaN() || size.isZero()) {
+				var getSize = function(name) {
+					return element[name]
+							|| parseInt(element.getAttribute(name), 10);
+				};
+				size = new Size(getSize('width'), getSize('height'));
+			}
+		}
+		this._setViewSize(size);
+		if (PaperScope.hasAttribute(element, 'stats')
+				&& typeof Stats !== 'undefined') {
+			this._stats = new Stats();
+			var stats = this._stats.domElement,
+				style = stats.style,
+				offset = DomElement.getOffset(element);
+			style.position = 'absolute';
+			style.left = offset.x + 'px';
+			style.top = offset.y + 'px';
+			document.body.appendChild(stats);
+		}
+		View._views.push(this);
+		View._viewsById[this._id] = this;
+		this._viewSize = size;
+		(this._matrix = new Matrix())._owner = this;
+		this._zoom = 1;
+		if (!View._focused)
+			View._focused = this;
+		this._frameItems = {};
+		this._frameItemCount = 0;
+	},
+
+	remove: function() {
+		if (!this._project)
+			return false;
+		if (View._focused === this)
+			View._focused = null;
+		View._views.splice(View._views.indexOf(this), 1);
+		delete View._viewsById[this._id];
+		if (this._project._view === this)
+			this._project._view = null;
+		DomEvent.remove(this._element, this._viewEvents);
+		DomEvent.remove(window, this._windowEvents);
+		this._element = this._project = null;
+		this.detach('frame');
+		this._animate = false;
+		this._frameItems = {};
+		return true;
+	},
+
+	_events: {
+		onFrame: {
+			install: function() {
+				this.play();
+			},
+
+			uninstall: function() {
+				this.pause();
+			}
+		},
+
+		onResize: {}
+	},
+
+	_animate: false,
+	_time: 0,
+	_count: 0,
+
+	_requestFrame: function() {
+		var that = this;
+		DomEvent.requestAnimationFrame(function() {
+			that._requested = false;
+			if (!that._animate)
+				return;
+			that._requestFrame();
+			that._handleFrame();
+		}, this._element);
+		this._requested = true;
+	},
+
+	_handleFrame: function() {
+		paper = this._scope;
+		var now = Date.now() / 1000,
+			delta = this._before ? now - this._before : 0;
+		this._before = now;
+		this._handlingFrame = true;
+		this.fire('frame', new Base({
+			delta: delta,
+			time: this._time += delta,
+			count: this._count++
+		}));
+		if (this._stats)
+			this._stats.update();
+		this._handlingFrame = false;
+		this.update();
+	},
+
+	_animateItem: function(item, animate) {
+		var items = this._frameItems;
+		if (animate) {
+			items[item._id] = {
+				item: item,
+				time: 0,
+				count: 0
+			};
+			if (++this._frameItemCount === 1)
+				this.attach('frame', this._handleFrameItems);
+		} else {
+			delete items[item._id];
+			if (--this._frameItemCount === 0) {
+				this.detach('frame', this._handleFrameItems);
+			}
+		}
+	},
+
+	_handleFrameItems: function(event) {
+		for (var i in this._frameItems) {
+			var entry = this._frameItems[i];
+			entry.item.fire('frame', new Base(event, {
+				time: entry.time += event.delta,
+				count: entry.count++
+			}));
+		}
+	},
+
+	_update: function() {
+		this._project._needsUpdate = true;
+		if (this._handlingFrame)
+			return;
+		if (this._animate) {
+			this._handleFrame();
+		} else {
+			this.update();
+		}
+	},
+
+	_changed: function(flags) {
+		if (flags & 1)
+			this._project._needsUpdate = true;
+	},
+
+	_transform: function(matrix) {
+		this._matrix.concatenate(matrix);
+		this._bounds = null;
+		this._update();
+	},
+
+	getElement: function() {
+		return this._element;
+	},
+
+	getPixelRatio: function() {
+		return this._pixelRatio;
+	},
+
+	getResolution: function() {
+		return this._pixelRatio * 72;
+	},
+
+	getViewSize: function() {
+		var size = this._viewSize;
+		return new LinkedSize(size.width, size.height, this, 'setViewSize');
+	},
+
+	setViewSize: function() {
+		var size = Size.read(arguments),
+			delta = size.subtract(this._viewSize);
+		if (delta.isZero())
+			return;
+		this._viewSize.set(size.width, size.height);
+		this._setViewSize(size);
+		this._bounds = null; 
+		this.fire('resize', {
+			size: size,
+			delta: delta
+		});
+		this._update();
+	},
+
+	_setViewSize: function(size) {
+		var element = this._element;
+		element.width = size.width;
+		element.height = size.height;
+	},
+
+	getBounds: function() {
+		if (!this._bounds)
+			this._bounds = this._matrix.inverted()._transformBounds(
+					new Rectangle(new Point(), this._viewSize));
+		return this._bounds;
+	},
+
+	getSize: function() {
+		return this.getBounds().getSize();
+	},
+
+	getCenter: function() {
+		return this.getBounds().getCenter();
+	},
+
+	setCenter: function(center) {
+		center = Point.read(arguments);
+		this.scrollBy(center.subtract(this.getCenter()));
+	},
+
+	getZoom: function() {
+		return this._zoom;
+	},
+
+	setZoom: function(zoom) {
+		this._transform(new Matrix().scale(zoom / this._zoom,
+			this.getCenter()));
+		this._zoom = zoom;
+	},
+
+	isVisible: function() {
+		return DomElement.isInView(this._element);
+	},
+
+	scrollBy: function() {
+		this._transform(new Matrix().translate(Point.read(arguments).negate()));
+	},
+
+	play: function() {
+		this._animate = true;
+		if (!this._requested)
+			this._requestFrame();
+	},
+
+	pause: function() {
+		this._animate = false;
+	},
+
+	draw: function() {
+		this.update();
+	},
+
+	projectToView: function() {
+		return this._matrix._transformPoint(Point.read(arguments));
+	},
+
+	viewToProject: function() {
+		return this._matrix._inverseTransform(Point.read(arguments));
+	}
+
+}, {
+	statics: {
+		_views: [],
+		_viewsById: {},
+		_id: 0,
+
+		create: function(project, element) {
+			if (typeof element === 'string')
+				element = document.getElementById(element);
+			return new CanvasView(project, element);
+		}
+	}
+}, new function() {
+	var tool,
+		prevFocus,
+		tempFocus,
+		dragging = false;
+
+	function getView(event) {
+		var target = DomEvent.getTarget(event);
+		return target.getAttribute && View._viewsById[target.getAttribute('id')];
+	}
+
+	function viewToProject(view, event) {
+		return view.viewToProject(DomEvent.getOffset(event, view._element));
+	}
+
+	function updateFocus() {
+		if (!View._focused || !View._focused.isVisible()) {
+			for (var i = 0, l = View._views.length; i < l; i++) {
+				var view = View._views[i];
+				if (view && view.isVisible()) {
+					View._focused = tempFocus = view;
+					break;
+				}
+			}
+		}
+	}
+
+	function handleMouseMove(view, point, event) {
+		view._handleEvent('mousemove', point, event);
+		var tool = view._scope.tool;
+		if (tool) {
+			tool._handleEvent(dragging && tool.responds('mousedrag')
+					? 'mousedrag' : 'mousemove', point, event);
+		}
+		view.update();
+		return tool;
+	}
+
+	var navigator = window.navigator,
+		mousedown, mousemove, mouseup;
+	if (navigator.pointerEnabled || navigator.msPointerEnabled) {
+		mousedown = 'pointerdown MSPointerDown';
+		mousemove = 'pointermove MSPointerMove';
+		mouseup = 'pointerup pointercancel MSPointerUp MSPointerCancel';
+	} else {
+		mousedown = 'touchstart';
+		mousemove = 'touchmove';
+		mouseup = 'touchend touchcancel';
+		if (!('ontouchstart' in window && navigator.userAgent.match(
+				/mobile|tablet|ip(ad|hone|od)|android|silk/i))) {
+			mousedown += ' mousedown';
+			mousemove += ' mousemove';
+			mouseup += ' mouseup';
+		}
+	}
+
+	var viewEvents = {
+		'selectstart dragstart': function(event) {
+			if (dragging)
+				event.preventDefault();
+		}
+	};
+
+	var docEvents = {
+		mouseout: function(event) {
+			var view = View._focused,
+				target = DomEvent.getRelatedTarget(event);
+			if (view && (!target || target.nodeName === 'HTML'))
+				handleMouseMove(view, viewToProject(view, event), event);
+		},
+
+		scroll: updateFocus
+	};
+
+	viewEvents[mousedown] = function(event) {
+		var view = View._focused = getView(event),
+			point = viewToProject(view, event);
+		dragging = true;
+		view._handleEvent('mousedown', point, event);
+		if (tool = view._scope.tool)
+			tool._handleEvent('mousedown', point, event);
+		view.update();
+	};
+
+	docEvents[mousemove] = function(event) {
+		var view = View._focused;
+		if (!dragging) {
+			var target = getView(event);
+			if (target) {
+				if (view !== target)
+					handleMouseMove(view, viewToProject(view, event), event);
+				prevFocus = view;
+				view = View._focused = tempFocus = target;
+			} else if (tempFocus && tempFocus === view) {
+				view = View._focused = prevFocus;
+				updateFocus();
+			}
+		}
+		if (view) {
+			var point = viewToProject(view, event);
+			if (dragging || view.getBounds().contains(point))
+				tool = handleMouseMove(view, point, event);
+		}
+	};
+
+	docEvents[mouseup] = function(event) {
+		var view = View._focused;
+		if (!view || !dragging)
+			return;
+		var point = viewToProject(view, event);
+		dragging = false;
+		view._handleEvent('mouseup', point, event);
+		if (tool)
+			tool._handleEvent('mouseup', point, event);
+		view.update();
+	};
+
+	DomEvent.add(document, docEvents);
+
+	DomEvent.add(window, {
+		load: updateFocus
+	});
+
+	return {
+		_viewEvents: viewEvents,
+
+		_handleEvent: function() {},
+
+		statics: {
+			updateFocus: updateFocus
+		}
+	};
+});
+
+var CanvasView = View.extend({
+	_class: 'CanvasView',
+
+	initialize: function CanvasView(project, canvas) {
+		if (!(canvas instanceof HTMLCanvasElement)) {
+			var size = Size.read(arguments);
+			if (size.isZero())
+				throw new Error(
+						'Cannot create CanvasView with the provided argument: '
+						+ canvas);
+			canvas = CanvasProvider.getCanvas(size);
+		}
+		this._context = canvas.getContext('2d');
+		this._eventCounters = {};
+		this._pixelRatio = 1;
+		if (PaperScope.getAttribute(canvas, 'hidpi') !== 'off') {
+			var deviceRatio = window.devicePixelRatio || 1,
+				backingStoreRatio = DomElement.getPrefixed(this._context,
+						'backingStorePixelRatio') || 1;
+			this._pixelRatio = deviceRatio / backingStoreRatio;
+		}
+		View.call(this, project, canvas);
+	},
+
+	_setViewSize: function(size) {
+		var width = size.width,
+			height = size.height,
+			pixelRatio = this._pixelRatio,
+			element = this._element,
+			style = element.style;
+		element.width = width * pixelRatio;
+		element.height = height * pixelRatio;
+		if (pixelRatio !== 1) {
+			style.width = width + 'px';
+			style.height = height + 'px';
+			this._context.scale(pixelRatio, pixelRatio);
+		}
+	},
+
+	getPixelSize: function(size) {
+		var ctx = this._context,
+			prevFont = ctx.font;
+		ctx.font = size + ' serif';
+		size = parseFloat(ctx.font);
+		ctx.font = prevFont;
+		return size;
+	},
+
+	getTextWidth: function(font, lines) {
+		var ctx = this._context,
+			prevFont = ctx.font,
+			width = 0;
+		ctx.font = font;
+		for (var i = 0, l = lines.length; i < l; i++)
+			width = Math.max(width, ctx.measureText(lines[i]).width);
+		ctx.font = prevFont;
+		return width;
+	},
+
+	update: function() {
+		var project = this._project;
+		if (!project || !project._needsUpdate)
+			return false;
+		var ctx = this._context,
+			size = this._viewSize;
+		ctx.clearRect(0, 0, size.width + 1, size.height + 1);
+		project.draw(ctx, this._matrix, this._pixelRatio);
+		project._needsUpdate = false;
+		return true;
+	}
+}, new function() { 
+
+	var downPoint,
+		lastPoint,
+		overPoint,
+		downItem,
+		lastItem,
+		overItem,
+		dragItem,
+		dblClick,
+		clickTime;
+
+	function callEvent(view, type, event, point, target, lastPoint) {
+		var item = target,
+			mouseEvent;
+
+		function call(obj) {
+			if (obj.responds(type)) {
+				if (!mouseEvent) {
+					mouseEvent = new MouseEvent(type, event, point, target,
+							lastPoint ? point.subtract(lastPoint) : null);
+				}
+				if (obj.fire(type, mouseEvent) && mouseEvent.isStopped) {
+					event.preventDefault();
+					return true;
+				}
+			}
+		}
+
+		while (item) {
+			if (call(item))
+				return true;
+			item = item.getParent();
+		}
+		if (call(view))
+			return true;
+		return false;
+	}
+
+	return {
+		_handleEvent: function(type, point, event) {
+			if (!this._eventCounters[type])
+				return;
+			var project = this._project,
+				hit = project.hitTest(point, {
+					tolerance: this._scope.settings.hitTolerance,
+					fill: true,
+					stroke: true
+				}),
+				item = hit && hit.item,
+				stopped = false;
+			switch (type) {
+			case 'mousedown':
+				stopped = callEvent(this, type, event, point, item);
+				dblClick = lastItem == item && (Date.now() - clickTime < 300);
+				downItem = lastItem = item;
+				downPoint = lastPoint = overPoint = point;
+				dragItem = !stopped && item;
+				while (dragItem && !dragItem.responds('mousedrag'))
+					dragItem = dragItem._parent;
+				break;
+			case 'mouseup':
+				stopped = callEvent(this, type, event, point, item, downPoint);
+				if (dragItem) {
+					if (lastPoint && !lastPoint.equals(point))
+						callEvent(this, 'mousedrag', event, point, dragItem,
+								lastPoint);
+					if (item !== dragItem) {
+						overPoint = point;
+						callEvent(this, 'mousemove', event, point, item,
+								overPoint);
+					}
+				}
+				if (!stopped && item && item === downItem) {
+					clickTime = Date.now();
+					callEvent(this, dblClick && downItem.responds('doubleclick')
+							? 'doubleclick' : 'click', event, downPoint, item);
+					dblClick = false;
+				}
+				downItem = dragItem = null;
+				break;
+			case 'mousemove':
+				if (dragItem)
+					stopped = callEvent(this, 'mousedrag', event, point,
+							dragItem, lastPoint);
+				if (!stopped) {
+					if (item !== overItem)
+						overPoint = point;
+					stopped = callEvent(this, type, event, point, item,
+							overPoint);
+				}
+				lastPoint = overPoint = point;
+				if (item !== overItem) {
+					callEvent(this, 'mouseleave', event, point, overItem);
+					overItem = item;
+					callEvent(this, 'mouseenter', event, point, item);
+				}
+				break;
+			}
+			return stopped;
+		}
+	};
+});
+
+var Event = Base.extend({
+	_class: 'Event',
+
+	initialize: function Event(event) {
+		this.event = event;
+	},
+
+	isPrevented: false,
+	isStopped: false,
+
+	preventDefault: function() {
+		this.isPrevented = true;
+		this.event.preventDefault();
+	},
+
+	stopPropagation: function() {
+		this.isStopped = true;
+		this.event.stopPropagation();
+	},
+
+	stop: function() {
+		this.stopPropagation();
+		this.preventDefault();
+	},
+
+	getModifiers: function() {
+		return Key.modifiers;
+	}
+});
+
+var KeyEvent = Event.extend({
+	_class: 'KeyEvent',
+
+	initialize: function KeyEvent(down, key, character, event) {
+		Event.call(this, event);
+		this.type = down ? 'keydown' : 'keyup';
+		this.key = key;
+		this.character = character;
+	},
+
+	toString: function() {
+		return "{ type: '" + this.type
+				+ "', key: '" + this.key
+				+ "', character: '" + this.character
+				+ "', modifiers: " + this.getModifiers()
+				+ " }";
+	}
+});
+
+var Key = new function() {
+
+	var specialKeys = {
+		8: 'backspace',
+		9: 'tab',
+		13: 'enter',
+		16: 'shift',
+		17: 'control',
+		18: 'option',
+		19: 'pause',
+		20: 'caps-lock',
+		27: 'escape',
+		32: 'space',
+		35: 'end',
+		36: 'home',
+		37: 'left',
+		38: 'up',
+		39: 'right',
+		40: 'down',
+		46: 'delete',
+		91: 'command',
+		93: 'command', 
+		224: 'command'  
+	},
+
+	specialChars = {
+		9: true, 
+		13: true, 
+		32: true 
+	},
+
+	modifiers = new Base({
+		shift: false,
+		control: false,
+		option: false,
+		command: false,
+		capsLock: false,
+		space: false
+	}),
+
+	charCodeMap = {}, 
+	keyMap = {}, 
+	downCode; 
+
+	function handleKey(down, keyCode, charCode, event) {
+		var character = charCode ? String.fromCharCode(charCode) : '',
+			specialKey = specialKeys[keyCode],
+			key = specialKey || character.toLowerCase(),
+			type = down ? 'keydown' : 'keyup',
+			view = View._focused,
+			scope = view && view.isVisible() && view._scope,
+			tool = scope && scope.tool,
+			name;
+		keyMap[key] = down;
+		if (specialKey && (name = Base.camelize(specialKey)) in modifiers)
+			modifiers[name] = down;
+		if (down) {
+			charCodeMap[keyCode] = charCode;
+		} else {
+			delete charCodeMap[keyCode];
+		}
+		if (tool && tool.responds(type)) {
+			paper = scope;
+			tool.fire(type, new KeyEvent(down, key, character, event));
+			if (view)
+				view.update();
+		}
+	}
+
+	DomEvent.add(document, {
+		keydown: function(event) {
+			var code = event.which || event.keyCode;
+			if (code in specialKeys || modifiers.command) {
+				handleKey(true, code,
+						code in specialChars || modifiers.command ? code : 0,
+						event);
+			} else {
+				downCode = code;
+			}
+		},
+
+		keypress: function(event) {
+			if (downCode != null) {
+				handleKey(true, downCode, event.which || event.keyCode, event);
+				downCode = null;
+			}
+		},
+
+		keyup: function(event) {
+			var code = event.which || event.keyCode;
+			if (code in charCodeMap)
+				handleKey(false, code, charCodeMap[code], event);
+		}
+	});
+
+	DomEvent.add(window, {
+		blur: function(event) {
+			for (var code in charCodeMap)
+				handleKey(false, code, charCodeMap[code], event);
+		}
+	});
+
+	return {
+		modifiers: modifiers,
+
+		isDown: function(key) {
+			return !!keyMap[key];
+		}
+	};
+};
+
+var MouseEvent = Event.extend({
+	_class: 'MouseEvent',
+
+	initialize: function MouseEvent(type, event, point, target, delta) {
+		Event.call(this, event);
+		this.type = type;
+		this.point = point;
+		this.target = target;
+		this.delta = delta;
+	},
+
+	toString: function() {
+		return "{ type: '" + this.type
+				+ "', point: " + this.point
+				+ ', target: ' + this.target
+				+ (this.delta ? ', delta: ' + this.delta : '')
+				+ ', modifiers: ' + this.getModifiers()
+				+ ' }';
+	}
+});
+
+ Base.extend(Callback, {
+	_class: 'Palette',
+	_events: [ 'onChange' ],
+
+	initialize: function Palette(title, components, values) {
+		var parent = DomElement.find('.palettejs-panel')
+			|| DomElement.find('body').appendChild(
+				DomElement.create('div', { 'class': 'palettejs-panel' }));
+		this._element = parent.appendChild(
+			DomElement.create('table', { 'class': 'palettejs-pane' }));
+		this._title = title;
+		if (!values)
+			values = {};
+		for (var name in (this.components = components)) {
+			var component = components[name];
+			if (!(component instanceof Component)) {
+				if (component.value == null)
+					component.value = values[name];
+				component.name = name;
+				component = components[name] = new Component(component);
+			}
+			this._element.appendChild(component._element);
+			component._palette = this;
+			if (values[name] === undefined)
+				values[name] = component.value;
+		}
+		this.values = Base.each(values, function(value, name) {
+			var component = components[name];
+			if (component) {
+				Base.define(values, name, {
+					enumerable: true,
+					configurable: true,
+					get: function() {
+						return component._value;
+					},
+					set: function(val) {
+						component.setValue(val);
+					}
+				});
+			}
+		});
+		if (window.paper)
+			paper.palettes.push(this);
+	},
+
+	reset: function() {
+		for (var i in this.components)
+			this.components[i].reset();
+	},
+
+	remove: function() {
+		DomElement.remove(this._element);
+	}
+});
+
+var Component = Base.extend(Callback, {
+	_class: 'Component',
+	_events: [ 'onChange', 'onClick' ],
+
+	_types: {
+		'boolean': {
+			type: 'checkbox',
+			value: 'checked'
+		},
+
+		string: {
+			type: 'text'
+		},
+
+		number: {
+			type: 'number',
+			number: true
+		},
+
+		button: {
+			type: 'button'
+		},
+
+		text: {
+			tag: 'div',
+			value: 'text'
+		},
+
+		slider: {
+			type: 'range',
+			number: true
+		},
+
+		list: {
+			tag: 'select',
+
+			setOptions: function() {
+				DomElement.removeChildren(this._input);
+				DomElement.create(Base.each(this._options, function(option) {
+					this.push('option', { value: option, text: option });
+				}, []), this._input);
+			}
+		},
+
+		color: {
+			type: 'color',
+
+			getValue: function(value) {
+				return new Color(value);
+			},
+
+			setValue: function(value) {
+				return new Color(value).toCSS(
+						DomElement.get(this._input, 'type') === 'color');
+			}
+		}
+	},
+
+	initialize: function Component(obj) {
+		this._id = Component._id = (Component._id || 0) + 1;
+		this._type = obj.type in this._types
+			? obj.type
+			: 'options' in obj
+				? 'list'
+				: 'onClick' in obj
+					? 'button'
+					: typeof obj.value;
+		this._meta = this._types[this._type] || { type: this._type };
+		var that = this,
+			id = 'component-' + this._id;
+		this._dontFire = true;
+		this._input = DomElement.create(this._meta.tag || 'input', {
+			id: id,
+			type: this._meta.type,
+			events: {
+				change: function() {
+					that.setValue(
+						DomElement.get(this, that._meta.value || 'value'));
+				},
+				click: function() {
+					that.fire('click');
+				}
+			}
+		});
+		this.attach('change', function(value) {
+			if (!this._dontFire)
+				this._palette.fire('change', this, this.name, value);
+		});
+		this._element = DomElement.create('tr', [
+			'td', [this._label = DomElement.create('label', { 'for': id })],
+			'td', [this._input]
+		]);
+		Base.each(obj, function(value, key) {
+			this[key] = value;
+		}, this);
+		this._defaultValue = this._value;
+		this._dontFire = false;
+	},
+
+	getType: function() {
+		return this._type;
+	},
+
+	getLabel: function() {
+		return this.__label;
+	},
+
+	setLabel: function(label) {
+		this.__label = label;
+		DomElement.set(this._label, 'text', label + ':');
+	},
+
+	getOptions: function() {
+		return this._options;
+	},
+
+	setOptions: function(options) {
+		this._options = options;
+		var setOptions = this._meta.setOptions;
+		if (setOptions)
+			setOptions.call(this);
+	},
+
+	getValue: function() {
+		var value = this._value,
+			getValue = this._meta.getValue;
+		return getValue ? getValue.call(this, value) : value;
+	},
+
+	setValue: function(value) {
+		var key = this._meta.value || 'value',
+			setValue = this._meta.setValue;
+		if (setValue)
+			value = setValue.call(this, value);
+		DomElement.set(this._input, key, value);
+		value = DomElement.get(this._input, key);
+		if (this._meta.number)
+			value = parseFloat(value, 10);
+		if (this._value !== value) {
+			this._value = value;
+			if (!this._dontFire)
+				this.fire('change', this.getValue());
+		}
+	},
+
+	getRange: function() {
+		return [parseFloat(DomElement.get(this._input, 'min')),
+				parseFloat(DomElement.get(this._input, 'max'))];
+	},
+
+	setRange: function(min, max) {
+		var range = Array.isArray(min) ? min : [min, max];
+		DomElement.set(this._input, { min: range[0], max: range[1] });
+	},
+
+	getMin: function() {
+		return this.getRange()[0];
+	},
+
+	setMin: function(min) {
+		this.setRange(min, this.getMax());
+	},
+
+	getMax: function() {
+		return this.getRange()[1];
+	},
+
+	setMax: function(max) {
+		this.setRange(this.getMin(), max);
+	},
+
+	getStep: function() {
+		return parseFloat(DomElement.get(this._input, 'step'));
+	},
+
+	setStep: function(step) {
+		DomElement.set(this._input, 'step', step);
+	},
+
+	reset: function() {
+		this.setValue(this._defaultValue);
+	}
+});
+
+var ToolEvent = Event.extend({
+	_class: 'ToolEvent',
+	_item: null,
+
+	initialize: function ToolEvent(tool, type, event) {
+		this.tool = tool;
+		this.type = type;
+		this.event = event;
+	},
+
+	_choosePoint: function(point, toolPoint) {
+		return point ? point : toolPoint ? toolPoint.clone() : null;
+	},
+
+	getPoint: function() {
+		return this._choosePoint(this._point, this.tool._point);
+	},
+
+	setPoint: function(point) {
+		this._point = point;
+	},
+
+	getLastPoint: function() {
+		return this._choosePoint(this._lastPoint, this.tool._lastPoint);
+	},
+
+	setLastPoint: function(lastPoint) {
+		this._lastPoint = lastPoint;
+	},
+
+	getDownPoint: function() {
+		return this._choosePoint(this._downPoint, this.tool._downPoint);
+	},
+
+	setDownPoint: function(downPoint) {
+		this._downPoint = downPoint;
+	},
+
+	getMiddlePoint: function() {
+		if (!this._middlePoint && this.tool._lastPoint) {
+			return this.tool._point.add(this.tool._lastPoint).divide(2);
+		}
+		return this._middlePoint;
+	},
+
+	setMiddlePoint: function(middlePoint) {
+		this._middlePoint = middlePoint;
+	},
+
+	getDelta: function() {
+		return !this._delta && this.tool._lastPoint
+		 		? this.tool._point.subtract(this.tool._lastPoint)
+				: this._delta;
+	},
+
+	setDelta: function(delta) {
+		this._delta = delta;
+	},
+
+	getCount: function() {
+		return /^mouse(down|up)$/.test(this.type)
+				? this.tool._downCount
+				: this.tool._count;
+	},
+
+	setCount: function(count) {
+		this.tool[/^mouse(down|up)$/.test(this.type) ? 'downCount' : 'count']
+			= count;
+	},
+
+	getItem: function() {
+		if (!this._item) {
+			var result = this.tool._scope.project.hitTest(this.getPoint());
+			if (result) {
+				var item = result.item,
+					parent = item._parent;
+				while (/^(Group|CompoundPath)$/.test(parent._class)) {
+					item = parent;
+					parent = parent._parent;
+				}
+				this._item = item;
+			}
+		}
+		return this._item;
+	},
+
+	setItem: function(item) {
+		this._item = item;
+	},
+
+	toString: function() {
+		return '{ type: ' + this.type
+				+ ', point: ' + this.getPoint()
+				+ ', count: ' + this.getCount()
+				+ ', modifiers: ' + this.getModifiers()
+				+ ' }';
+	}
+});
+
+var Tool = PaperScopeItem.extend({
+	_class: 'Tool',
+	_list: 'tools',
+	_reference: 'tool',
+	_events: [ 'onActivate', 'onDeactivate', 'onEditOptions',
+			'onMouseDown', 'onMouseUp', 'onMouseDrag', 'onMouseMove',
+			'onKeyDown', 'onKeyUp' ],
+
+	initialize: function Tool(props) {
+		PaperScopeItem.call(this);
+		this._firstMove = true;
+		this._count = 0;
+		this._downCount = 0;
+		this._set(props);
+	},
+
+	getMinDistance: function() {
+		return this._minDistance;
+	},
+
+	setMinDistance: function(minDistance) {
+		this._minDistance = minDistance;
+		if (this._minDistance != null && this._maxDistance != null
+				&& this._minDistance > this._maxDistance) {
+			this._maxDistance = this._minDistance;
+		}
+	},
+
+	getMaxDistance: function() {
+		return this._maxDistance;
+	},
+
+	setMaxDistance: function(maxDistance) {
+		this._maxDistance = maxDistance;
+		if (this._minDistance != null && this._maxDistance != null
+				&& this._maxDistance < this._minDistance) {
+			this._minDistance = maxDistance;
+		}
+	},
+
+	getFixedDistance: function() {
+		return this._minDistance == this._maxDistance
+			? this._minDistance : null;
+	},
+
+	setFixedDistance: function(distance) {
+		this._minDistance = distance;
+		this._maxDistance = distance;
+	},
+
+	_updateEvent: function(type, point, minDistance, maxDistance, start,
+			needsChange, matchMaxDistance) {
+		if (!start) {
+			if (minDistance != null || maxDistance != null) {
+				var minDist = minDistance != null ? minDistance : 0,
+					vector = point.subtract(this._point),
+					distance = vector.getLength();
+				if (distance < minDist)
+					return false;
+				var maxDist = maxDistance != null ? maxDistance : 0;
+				if (maxDist != 0) {
+					if (distance > maxDist) {
+						point = this._point.add(vector.normalize(maxDist));
+					} else if (matchMaxDistance) {
+						return false;
+					}
+				}
+			}
+			if (needsChange && point.equals(this._point))
+				return false;
+		}
+		this._lastPoint = start && type == 'mousemove' ? point : this._point;
+		this._point = point;
+		switch (type) {
+		case 'mousedown':
+			this._lastPoint = this._downPoint;
+			this._downPoint = this._point;
+			this._downCount++;
+			break;
+		case 'mouseup':
+			this._lastPoint = this._downPoint;
+			break;
+		}
+		this._count = start ? 0 : this._count + 1;
+		return true;
+	},
+
+	_fireEvent: function(type, event) {
+		var sets = paper.project._removeSets;
+		if (sets) {
+			if (type === 'mouseup')
+				sets.mousedrag = null;
+			var set = sets[type];
+			if (set) {
+				for (var id in set) {
+					var item = set[id];
+					for (var key in sets) {
+						var other = sets[key];
+						if (other && other != set)
+							delete other[item._id];
+					}
+					item.remove();
+				}
+				sets[type] = null;
+			}
+		}
+		return this.responds(type)
+				&& this.fire(type, new ToolEvent(this, type, event));
+	},
+
+	_handleEvent: function(type, point, event) {
+		paper = this._scope;
+		var called = false;
+		switch (type) {
+		case 'mousedown':
+			this._updateEvent(type, point, null, null, true, false, false);
+			called = this._fireEvent(type, event);
+			break;
+		case 'mousedrag':
+			var needsChange = false,
+				matchMaxDistance = false;
+			while (this._updateEvent(type, point, this.minDistance,
+					this.maxDistance, false, needsChange, matchMaxDistance)) {
+				called = this._fireEvent(type, event) || called;
+				needsChange = true;
+				matchMaxDistance = true;
+			}
+			break;
+		case 'mouseup':
+			if (!point.equals(this._point)
+					&& this._updateEvent('mousedrag', point, this.minDistance,
+							this.maxDistance, false, false, false)) {
+				called = this._fireEvent('mousedrag', event);
+			}
+			this._updateEvent(type, point, null, this.maxDistance, false,
+					false, false);
+			called = this._fireEvent(type, event) || called;
+			this._updateEvent(type, point, null, null, true, false, false);
+			this._firstMove = true;
+			break;
+		case 'mousemove':
+			while (this._updateEvent(type, point, this.minDistance,
+					this.maxDistance, this._firstMove, true, false)) {
+				called = this._fireEvent(type, event) || called;
+				this._firstMove = false;
+			}
+			break;
+		}
+		if (called)
+			event.preventDefault();
+		return called;
+	}
+
+});
+
+var Http = {
+	request: function(method, url, callback) {
+		var xhr = new (window.ActiveXObject || XMLHttpRequest)(
+					'Microsoft.XMLHTTP');
+		xhr.open(method.toUpperCase(), url, true);
+		if ('overrideMimeType' in xhr)
+			xhr.overrideMimeType('text/plain');
+		xhr.onreadystatechange = function() {
+			if (xhr.readyState === 4) {
+				var status = xhr.status;
+				if (status === 0 || status === 200) {
+					callback.call(xhr, xhr.responseText);
+				} else {
+					throw new Error('Could not load ' + url + ' (Error '
+							+ status + ')');
+				}
+			}
+		};
+		return xhr.send(null);
+	}
+};
+
+var CanvasProvider = {
+	canvases: [],
+
+	getCanvas: function(width, height, pixelRatio) {
+		var canvas,
+			init = true;
+		if (typeof width === 'object') {
+			pixelRatio = height;
+			height = width.height;
+			width = width.width;
+		}
+		if (!pixelRatio) {
+			pixelRatio = 1;
+		} else if (pixelRatio !== 1) {
+			width *= pixelRatio;
+			height *= pixelRatio;
+		}
+		if (this.canvases.length) {
+			canvas = this.canvases.pop();
+		} else {
+			canvas = document.createElement('canvas');
+		}
+		var ctx = canvas.getContext('2d');
+		if (canvas.width === width && canvas.height === height) {
+			if (init)
+				ctx.clearRect(0, 0, width + 1, height + 1);
+		} else {
+			canvas.width = width;
+			canvas.height = height;
+		}
+		ctx.save();
+		if (pixelRatio !== 1)
+			ctx.scale(pixelRatio, pixelRatio);
+		return canvas;
+	},
+
+	getContext: function(width, height, pixelRatio) {
+		return this.getCanvas(width, height, pixelRatio).getContext('2d');
+	},
+
+	release: function(obj) {
+		var canvas = obj.canvas ? obj.canvas : obj;
+		canvas.getContext('2d').restore();
+		this.canvases.push(canvas);
+	}
+};
+
+var BlendMode = new function() {
+	var min = Math.min,
+		max = Math.max,
+		abs = Math.abs,
+		sr, sg, sb, sa, 
+		br, bg, bb, ba, 
+		dr, dg, db;     
+
+	function getLum(r, g, b) {
+		return 0.2989 * r + 0.587 * g + 0.114 * b;
+	}
+
+	function setLum(r, g, b, l) {
+		var d = l - getLum(r, g, b);
+		dr = r + d;
+		dg = g + d;
+		db = b + d;
+		var l = getLum(dr, dg, db),
+			mn = min(dr, dg, db),
+			mx = max(dr, dg, db);
+		if (mn < 0) {
+			var lmn = l - mn;
+			dr = l + (dr - l) * l / lmn;
+			dg = l + (dg - l) * l / lmn;
+			db = l + (db - l) * l / lmn;
+		}
+		if (mx > 255) {
+			var ln = 255 - l,
+				mxl = mx - l;
+			dr = l + (dr - l) * ln / mxl;
+			dg = l + (dg - l) * ln / mxl;
+			db = l + (db - l) * ln / mxl;
+		}
+	}
+
+	function getSat(r, g, b) {
+		return max(r, g, b) - min(r, g, b);
+	}
+
+	function setSat(r, g, b, s) {
+		var col = [r, g, b],
+			mx = max(r, g, b), 
+			mn = min(r, g, b), 
+			md; 
+		mn = mn === r ? 0 : mn === g ? 1 : 2;
+		mx = mx === r ? 0 : mx === g ? 1 : 2;
+		md = min(mn, mx) === 0 ? max(mn, mx) === 1 ? 2 : 1 : 0;
+		if (col[mx] > col[mn]) {
+			col[md] = (col[md] - col[mn]) * s / (col[mx] - col[mn]);
+			col[mx] = s;
+		} else {
+			col[md] = col[mx] = 0;
+		}
+		col[mn] = 0;
+		dr = col[0];
+		dg = col[1];
+		db = col[2];
+	}
+
+	var modes = {
+		multiply: function() {
+			dr = br * sr / 255;
+			dg = bg * sg / 255;
+			db = bb * sb / 255;
+		},
+
+		screen: function() {
+			dr = br + sr - (br * sr / 255);
+			dg = bg + sg - (bg * sg / 255);
+			db = bb + sb - (bb * sb / 255);
+		},
+
+		overlay: function() {
+			dr = br < 128 ? 2 * br * sr / 255 : 255 - 2 * (255 - br) * (255 - sr) / 255;
+			dg = bg < 128 ? 2 * bg * sg / 255 : 255 - 2 * (255 - bg) * (255 - sg) / 255;
+			db = bb < 128 ? 2 * bb * sb / 255 : 255 - 2 * (255 - bb) * (255 - sb) / 255;
+		},
+
+		'soft-light': function() {
+			var t = sr * br / 255;
+			dr = t + br * (255 - (255 - br) * (255 - sr) / 255 - t) / 255;
+			t = sg * bg / 255;
+			dg = t + bg * (255 - (255 - bg) * (255 - sg) / 255 - t) / 255;
+			t = sb * bb / 255;
+			db = t + bb * (255 - (255 - bb) * (255 - sb) / 255 - t) / 255;
+		},
+
+		'hard-light': function() {
+			dr = sr < 128 ? 2 * sr * br / 255 : 255 - 2 * (255 - sr) * (255 - br) / 255;
+			dg = sg < 128 ? 2 * sg * bg / 255 : 255 - 2 * (255 - sg) * (255 - bg) / 255;
+			db = sb < 128 ? 2 * sb * bb / 255 : 255 - 2 * (255 - sb) * (255 - bb) / 255;
+		},
+
+		'color-dodge': function() {
+			dr = br === 0 ? 0 : sr === 255 ? 255 : min(255, 255 * br / (255 - sr));
+			dg = bg === 0 ? 0 : sg === 255 ? 255 : min(255, 255 * bg / (255 - sg));
+			db = bb === 0 ? 0 : sb === 255 ? 255 : min(255, 255 * bb / (255 - sb));
+		},
+
+		'color-burn': function() {
+			dr = br === 255 ? 255 : sr === 0 ? 0 : max(0, 255 - (255 - br) * 255 / sr);
+			dg = bg === 255 ? 255 : sg === 0 ? 0 : max(0, 255 - (255 - bg) * 255 / sg);
+			db = bb === 255 ? 255 : sb === 0 ? 0 : max(0, 255 - (255 - bb) * 255 / sb);
+		},
+
+		darken: function() {
+			dr = br < sr ? br : sr;
+			dg = bg < sg ? bg : sg;
+			db = bb < sb ? bb : sb;
+		},
+
+		lighten: function() {
+			dr = br > sr ? br : sr;
+			dg = bg > sg ? bg : sg;
+			db = bb > sb ? bb : sb;
+		},
+
+		difference: function() {
+			dr = br - sr;
+			if (dr < 0)
+				dr = -dr;
+			dg = bg - sg;
+			if (dg < 0)
+				dg = -dg;
+			db = bb - sb;
+			if (db < 0)
+				db = -db;
+		},
+
+		exclusion: function() {
+			dr = br + sr * (255 - br - br) / 255;
+			dg = bg + sg * (255 - bg - bg) / 255;
+			db = bb + sb * (255 - bb - bb) / 255;
+		},
+
+		hue: function() {
+			setSat(sr, sg, sb, getSat(br, bg, bb));
+			setLum(dr, dg, db, getLum(br, bg, bb));
+		},
+
+		saturation: function() {
+			setSat(br, bg, bb, getSat(sr, sg, sb));
+			setLum(dr, dg, db, getLum(br, bg, bb));
+		},
+
+		luminosity: function() {
+			setLum(br, bg, bb, getLum(sr, sg, sb));
+		},
+
+		color: function() {
+			setLum(sr, sg, sb, getLum(br, bg, bb));
+		},
+
+		add: function() {
+			dr = min(br + sr, 255);
+			dg = min(bg + sg, 255);
+			db = min(bb + sb, 255);
+		},
+
+		subtract: function() {
+			dr = max(br - sr, 0);
+			dg = max(bg - sg, 0);
+			db = max(bb - sb, 0);
+		},
+
+		average: function() {
+			dr = (br + sr) / 2;
+			dg = (bg + sg) / 2;
+			db = (bb + sb) / 2;
+		},
+
+		negation: function() {
+			dr = 255 - abs(255 - sr - br);
+			dg = 255 - abs(255 - sg - bg);
+			db = 255 - abs(255 - sb - bb);
+		}
+	};
+
+	var nativeModes = this.nativeModes = Base.each([
+		'source-over', 'source-in', 'source-out', 'source-atop',
+		'destination-over', 'destination-in', 'destination-out',
+		'destination-atop', 'lighter', 'darker', 'copy', 'xor'
+	], function(mode) {
+		this[mode] = true;
+	}, {});
+
+	var ctx = CanvasProvider.getContext(1, 1);
+	Base.each(modes, function(func, mode) {
+		var darken = mode === 'darken',
+			ok = false;
+		ctx.save();
+		try {
+			ctx.fillStyle = darken ? '#300' : '#a00';
+			ctx.fillRect(0, 0, 1, 1);
+			ctx.globalCompositeOperation = mode;
+			if (ctx.globalCompositeOperation === mode) {
+				ctx.fillStyle = darken ? '#a00' : '#300';
+				ctx.fillRect(0, 0, 1, 1);
+				ok = ctx.getImageData(0, 0, 1, 1).data[0] !== darken ? 170 : 51;
+			}
+		} catch (e) {}
+		ctx.restore();
+		nativeModes[mode] = ok;
+	});
+	CanvasProvider.release(ctx);
+
+	this.process = function(mode, srcContext, dstContext, alpha, offset) {
+		var srcCanvas = srcContext.canvas,
+			normal = mode === 'normal';
+		if (normal || nativeModes[mode]) {
+			dstContext.save();
+			dstContext.setTransform(1, 0, 0, 1, 0, 0);
+			dstContext.globalAlpha = alpha;
+			if (!normal)
+				dstContext.globalCompositeOperation = mode;
+			dstContext.drawImage(srcCanvas, offset.x, offset.y);
+			dstContext.restore();
+		} else {
+			var process = modes[mode];
+			if (!process)
+				return;
+			var dstData = dstContext.getImageData(offset.x, offset.y,
+					srcCanvas.width, srcCanvas.height),
+				dst  = dstData.data,
+				src  = srcContext.getImageData(0, 0,
+					srcCanvas.width, srcCanvas.height).data;
+			for (var i = 0, l = dst.length; i < l; i += 4) {
+				sr = src[i];
+				br = dst[i];
+				sg = src[i + 1];
+				bg = dst[i + 1];
+				sb = src[i + 2];
+				bb = dst[i + 2];
+				sa = src[i + 3];
+				ba = dst[i + 3];
+				process();
+				var a1 = sa * alpha / 255,
+					a2 = 1 - a1;
+				dst[i] = a1 * dr + a2 * br;
+				dst[i + 1] = a1 * dg + a2 * bg;
+				dst[i + 2] = a1 * db + a2 * bb;
+				dst[i + 3] = sa * alpha + a2 * ba;
+			}
+			dstContext.putImageData(dstData, offset.x, offset.y);
+		}
+	};
+};
+
+var SVGStyles = Base.each({
+	fillColor: ['fill', 'color'],
+	strokeColor: ['stroke', 'color'],
+	strokeWidth: ['stroke-width', 'number'],
+	strokeCap: ['stroke-linecap', 'string'],
+	strokeJoin: ['stroke-linejoin', 'string'],
+	miterLimit: ['stroke-miterlimit', 'number'],
+	dashArray: ['stroke-dasharray', 'array'],
+	dashOffset: ['stroke-dashoffset', 'number'],
+	fontFamily: ['font-family', 'string'],
+	fontWeight: ['font-weight', 'string'],
+	fontSize: ['font-size', 'number'],
+	justification: ['text-anchor', 'lookup', {
+		left: 'start',
+		center: 'middle',
+		right: 'end'
+	}],
+	opacity: ['opacity', 'number'],
+	blendMode: ['mix-blend-mode', 'string']
+}, function(entry, key) {
+	var part = Base.capitalize(key),
+		lookup = entry[2];
+	this[key] = {
+		type: entry[1],
+		property: key,
+		attribute: entry[0],
+		toSVG: lookup,
+		fromSVG: lookup && Base.each(lookup, function(value, name) {
+			this[value] = name;
+		}, {}),
+		get: 'get' + part,
+		set: 'set' + part
+	};
+}, {});
+
+var SVGNamespaces = {
+	href: 'http://www.w3.org/1999/xlink',
+	xlink: 'http://www.w3.org/2000/xmlns'
+};
+
+new function() {
+	var formatter;
+
+	function setAttributes(node, attrs) {
+		for (var key in attrs) {
+			var val = attrs[key],
+				namespace = SVGNamespaces[key];
+			if (typeof val === 'number')
+				val = formatter.number(val);
+			if (namespace) {
+				node.setAttributeNS(namespace, key, val);
+			} else {
+				node.setAttribute(key, val);
+			}
+		}
+		return node;
+	}
+
+	function createElement(tag, attrs) {
+		return setAttributes(
+			document.createElementNS('http://www.w3.org/2000/svg', tag), attrs);
+	}
+
+	function getTransform(item, coordinates, center) {
+		var matrix = item._matrix,
+			trans = matrix.getTranslation(),
+			attrs = {};
+		if (coordinates) {
+			matrix = matrix.shiftless();
+			var point = matrix._inverseTransform(trans);
+			attrs[center ? 'cx' : 'x'] = point.x;
+			attrs[center ? 'cy' : 'y'] = point.y;
+			trans = null;
+		}
+		if (!matrix.isIdentity()) {
+			var decomposed = matrix.decompose();
+			if (decomposed && !decomposed.shearing) {
+				var parts = [],
+					angle = decomposed.rotation,
+					scale = decomposed.scaling;
+				if (trans && !trans.isZero())
+					parts.push('translate(' + formatter.point(trans) + ')');
+				if (angle)
+					parts.push('rotate(' + formatter.number(angle) + ')');
+				if (!Numerical.isZero(scale.x - 1)
+						|| !Numerical.isZero(scale.y - 1))
+					parts.push('scale(' + formatter.point(scale) +')');
+				attrs.transform = parts.join(' ');
+			} else {
+				attrs.transform = 'matrix(' + matrix.getValues().join(',') + ')';
+			}
+		}
+		return attrs;
+	}
+
+	function exportGroup(item, options) {
+		var attrs = getTransform(item),
+			children = item._children;
+		var node = createElement('g', attrs);
+		for (var i = 0, l = children.length; i < l; i++) {
+			var child = children[i];
+			var childNode = exportSVG(child, options);
+			if (childNode) {
+				if (child.isClipMask()) {
+					var clip = createElement('clipPath');
+					clip.appendChild(childNode);
+					setDefinition(child, clip, 'clip');
+					setAttributes(node, {
+						'clip-path': 'url(#' + clip.id + ')'
+					});
+				} else {
+					node.appendChild(childNode);
+				}
+			}
+		}
+		return node;
+	}
+
+	function exportRaster(item) {
+		var attrs = getTransform(item, true),
+			size = item.getSize();
+		attrs.x -= size.width / 2;
+		attrs.y -= size.height / 2;
+		attrs.width = size.width;
+		attrs.height = size.height;
+		attrs.href = item.toDataURL();
+		return createElement('image', attrs);
+	}
+
+	function exportPath(item, options) {
+		if (options.matchShapes) {
+			var shape = item.toShape(false);
+			if (shape)
+				return exportShape(shape, options);
+		}
+		var segments = item._segments,
+			type,
+			attrs;
+		if (segments.length === 0)
+			return null;
+		if (item.isPolygon()) {
+			if (segments.length >= 3) {
+				type = item._closed ? 'polygon' : 'polyline';
+				var parts = [];
+				for(i = 0, l = segments.length; i < l; i++)
+					parts.push(formatter.point(segments[i]._point));
+				attrs = {
+					points: parts.join(' ')
+				};
+			} else {
+				type = 'line';
+				var first = segments[0]._point,
+					last = segments[segments.length - 1]._point;
+				attrs = {
+					x1: first.x,
+					y1: first.y,
+					x2: last.x,
+					y2: last.y
+				};
+			}
+		} else {
+			type = 'path';
+			var data = item.getPathData();
+			attrs = data && { d: data };
+		}
+		return createElement(type, attrs);
+	}
+
+	function exportShape(item) {
+		var type = item._type,
+			radius = item._radius,
+			attrs = getTransform(item, true, type !== 'rectangle');
+		if (type === 'rectangle') {
+			type = 'rect'; 
+			var size = item._size,
+				width = size.width,
+				height = size.height;
+			attrs.x -= width / 2;
+			attrs.y -= height / 2;
+			attrs.width = width;
+			attrs.height = height;
+			if (radius.isZero())
+				radius = null;
+		}
+		if (radius) {
+			if (type === 'circle') {
+				attrs.r = radius;
+			} else {
+				attrs.rx = radius.width;
+				attrs.ry = radius.height;
+			}
+		}
+		return createElement(type, attrs);
+	}
+
+	function exportCompoundPath(item) {
+		var attrs = getTransform(item, true);
+		var data = item.getPathData();
+		if (data)
+			attrs.d = data;
+		return createElement('path', attrs);
+	}
+
+	function exportPlacedSymbol(item, options) {
+		var attrs = getTransform(item, true),
+			symbol = item.getSymbol(),
+			symbolNode = getDefinition(symbol, 'symbol'),
+			definition = symbol.getDefinition(),
+			bounds = definition.getBounds();
+		if (!symbolNode) {
+			symbolNode = createElement('symbol', {
+				viewBox: formatter.rectangle(bounds)
+			});
+			symbolNode.appendChild(exportSVG(definition, options));
+			setDefinition(symbol, symbolNode, 'symbol');
+		}
+		attrs.href = '#' + symbolNode.id;
+		attrs.x += bounds.x;
+		attrs.y += bounds.y;
+		attrs.width = formatter.number(bounds.width);
+		attrs.height = formatter.number(bounds.height);
+		return createElement('use', attrs);
+	}
+
+	function exportGradient(color) {
+		var gradientNode = getDefinition(color, 'color');
+		if (!gradientNode) {
+			var gradient = color.getGradient(),
+				radial = gradient._radial,
+				origin = color.getOrigin().transform(),
+				destination = color.getDestination().transform(),
+				attrs;
+			if (radial) {
+				attrs = {
+					cx: origin.x,
+					cy: origin.y,
+					r: origin.getDistance(destination)
+				};
+				var highlight = color.getHighlight();
+				if (highlight) {
+					highlight = highlight.transform();
+					attrs.fx = highlight.x;
+					attrs.fy = highlight.y;
+				}
+			} else {
+				attrs = {
+					x1: origin.x,
+					y1: origin.y,
+					x2: destination.x,
+					y2: destination.y
+				};
+			}
+			attrs.gradientUnits = 'userSpaceOnUse';
+			gradientNode = createElement(
+					(radial ? 'radial' : 'linear') + 'Gradient', attrs);
+			var stops = gradient._stops;
+			for (var i = 0, l = stops.length; i < l; i++) {
+				var stop = stops[i],
+					stopColor = stop._color,
+					alpha = stopColor.getAlpha();
+				attrs = {
+					offset: stop._rampPoint,
+					'stop-color': stopColor.toCSS(true)
+				};
+				if (alpha < 1)
+					attrs['stop-opacity'] = alpha;
+				gradientNode.appendChild(createElement('stop', attrs));
+			}
+			setDefinition(color, gradientNode, 'color');
+		}
+		return 'url(#' + gradientNode.id + ')';
+	}
+
+	function exportText(item) {
+		var node = createElement('text', getTransform(item, true));
+		node.textContent = item._content;
+		return node;
+	}
+
+	var exporters = {
+		Group: exportGroup,
+		Layer: exportGroup,
+		Raster: exportRaster,
+		Path: exportPath,
+		Shape: exportShape,
+		CompoundPath: exportCompoundPath,
+		PlacedSymbol: exportPlacedSymbol,
+		PointText: exportText
+	};
+
+	function applyStyle(item, node) {
+		var attrs = {},
+			parent = item.getParent();
+
+		if (item._name != null)
+			attrs.id = item._name;
+
+		Base.each(SVGStyles, function(entry) {
+			var get = entry.get,
+				type = entry.type,
+				value = item[get]();
+			if (!parent || !Base.equals(parent[get](), value)) {
+				if (type === 'color' && value != null) {
+					var alpha = value.getAlpha();
+					if (alpha < 1)
+						attrs[entry.attribute + '-opacity'] = alpha;
+				}
+				attrs[entry.attribute] = value == null
+					? 'none'
+					: type === 'number'
+						? formatter.number(value)
+						: type === 'color'
+							? value.gradient
+								? exportGradient(value, item)
+								: value.toCSS(true)
+							: type === 'array'
+								? value.join(',')
+								: type === 'lookup'
+									? entry.toSVG[value]
+									: value;
+			}
+		});
+
+		if (attrs.opacity === 1)
+			delete attrs.opacity;
+
+		if (item._visibility != null && !item._visibility)
+			attrs.visibility = 'hidden';
+
+		return setAttributes(node, attrs);
+	}
+
+	var definitions;
+	function getDefinition(item, type) {
+		if (!definitions)
+			definitions = { ids: {}, svgs: {} };
+		return item && definitions.svgs[type + '-' + item._id];
+	}
+
+	function setDefinition(item, node, type) {
+		if (!definitions)
+			getDefinition();
+		var id = definitions.ids[type] = (definitions.ids[type] || 0) + 1;
+		node.id = type + '-' + id;
+		definitions.svgs[type + '-' + item._id] = node;
+	}
+
+	function exportDefinitions(node, options) {
+		var svg = node,
+			defs = null;
+		if (definitions) {
+			svg = node.nodeName.toLowerCase() === 'svg' && node;
+			for (var i in definitions.svgs) {
+				if (!defs) {
+					if (!svg) {
+						svg = createElement('svg');
+						svg.appendChild(node);
+					}
+					defs = svg.insertBefore(createElement('defs'),
+							svg.firstChild);
+				}
+				defs.appendChild(definitions.svgs[i]);
+			}
+			definitions = null;
+		}
+		return options.asString
+				? new XMLSerializer().serializeToString(svg)
+				: svg;
+	}
+
+	function exportSVG(item, options) {
+		var exporter = exporters[item._class],
+			node = exporter && exporter(item, options);
+		if (node && item._data) {
+			var data = JSON.stringify(item._data);
+			if (data !== '{}')
+				node.setAttribute('data-paper-data', data);
+		}
+		return node && applyStyle(item, node);
+	}
+
+	function setOptions(options) {
+		if (!options)
+			options = {};
+		formatter = new Formatter(options.precision);
+		return options;
+	}
+
+	Item.inject({
+		exportSVG: function(options) {
+			options = setOptions(options);
+			return exportDefinitions(exportSVG(this, options), options);
+		}
+	});
+
+	Project.inject({
+		exportSVG: function(options) {
+			options = setOptions(options);
+			var layers = this.layers,
+				size = this.getView().getSize(),
+				node = createElement('svg', {
+					x: 0,
+					y: 0,
+					width: size.width,
+					height: size.height,
+					version: '1.1',
+					xmlns: 'http://www.w3.org/2000/svg',
+					'xmlns:xlink': 'http://www.w3.org/1999/xlink'
+				});
+			for (var i = 0, l = layers.length; i < l; i++)
+				node.appendChild(exportSVG(layers[i], options));
+			return exportDefinitions(node, options);
+		}
+	});
+};
+
+new function() {
+
+	function getValue(node, name, isString, allowNull) {
+		var namespace = SVGNamespaces[name],
+			value = namespace
+				? node.getAttributeNS(namespace, name)
+				: node.getAttribute(name);
+		if (value === 'null')
+			value = null;
+		return value == null
+				? allowNull
+					? null
+					: isString
+						? ''
+						: 0
+				: isString
+					? value
+					: parseFloat(value);
+	}
+
+	function getPoint(node, x, y, allowNull) {
+		x = getValue(node, x, false, allowNull);
+		y = getValue(node, y, false, allowNull);
+		return allowNull && (x == null || y == null) ? null
+				: new Point(x, y);
+	}
+
+	function getSize(node, w, h, allowNull) {
+		w = getValue(node, w, false, allowNull);
+		h = getValue(node, h, false, allowNull);
+		return allowNull && (w == null || h == null) ? null
+				: new Size(w, h);
+	}
+
+	function convertValue(value, type, lookup) {
+		return value === 'none'
+				? null
+				: type === 'number'
+					? parseFloat(value)
+					: type === 'array'
+						? value ? value.split(/[\s,]+/g).map(parseFloat) : []
+						: type === 'color'
+							? getDefinition(value) || value
+							: type === 'lookup'
+								? lookup[value]
+								: value;
+	}
+
+	function importGroup(node, type, isRoot, options) {
+		var nodes = node.childNodes,
+			isClip = type === 'clippath',
+			item = new Group(),
+			project = item._project,
+			currentStyle = project._currentStyle,
+			children = [];
+		if (!isClip) {
+			item = applyAttributes(item, node, isRoot);
+			project._currentStyle = item._style.clone();
+		}
+		for (var i = 0, l = nodes.length; i < l; i++) {
+			var childNode = nodes[i],
+				child;
+			if (childNode.nodeType === 1
+					&& (child = importSVG(childNode, false, options))
+					&& !(child instanceof Symbol))
+				children.push(child);
+		}
+		item.addChildren(children);
+		if (isClip)
+			item = applyAttributes(item.reduce(), node, isRoot);
+		project._currentStyle = currentStyle;
+		if (isClip || type === 'defs') {
+			item.remove();
+			item = null;
+		}
+		return item;
+	}
+
+	function importPoly(node, type) {
+		var coords = node.getAttribute('points').match(
+					/[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g),
+			points = [];
+		for (var i = 0, l = coords.length; i < l; i += 2)
+			points.push(new Point(
+					parseFloat(coords[i]),
+					parseFloat(coords[i + 1])));
+		var path = new Path(points);
+		if (type === 'polygon')
+			path.closePath();
+		return path;
+	}
+
+	function importPath(node) {
+		var data = node.getAttribute('d'),
+			param = { pathData: data };
+		return data.match(/m/gi).length > 1 || /z\S+/i.test(data)
+				? new CompoundPath(param)
+				: new Path(param);
+	}
+
+	function importGradient(node, type) {
+		var id = (getValue(node, 'href', true) || '').substring(1),
+			isRadial = type === 'radialgradient',
+			gradient;
+		if (id) {
+			gradient = definitions[id].getGradient();
+		} else {
+			var nodes = node.childNodes,
+				stops = [];
+			for (var i = 0, l = nodes.length; i < l; i++) {
+				var child = nodes[i];
+				if (child.nodeType === 1)
+					stops.push(applyAttributes(new GradientStop(), child));
+			}
+			gradient = new Gradient(stops, isRadial);
+		}
+		var origin, destination, highlight;
+		if (isRadial) {
+			origin = getPoint(node, 'cx', 'cy');
+			destination = origin.add(getValue(node, 'r'), 0);
+			highlight = getPoint(node, 'fx', 'fy', true);
+		} else {
+			origin = getPoint(node, 'x1', 'y1');
+			destination = getPoint(node, 'x2', 'y2');
+		}
+		applyAttributes(
+			new Color(gradient, origin, destination, highlight), node);
+		return null;
+	}
+
+	var importers = {
+		'#document': function (node, type, isRoot, options) {
+			var nodes = node.childNodes;
+			for (var i = 0, l = nodes.length; i < l; i++) {
+				var child = nodes[i];
+				if (child.nodeType === 1) {
+					var next = child.nextSibling;
+					document.body.appendChild(child);
+					var item = importSVG(child, isRoot, options);
+					if (next) {
+						node.insertBefore(child, next);
+					} else {
+						node.appendChild(child);
+					}
+					return item;
+				}
+			}
+		},
+		g: importGroup,
+		svg: importGroup,
+		clippath: importGroup,
+		polygon: importPoly,
+		polyline: importPoly,
+		path: importPath,
+		lineargradient: importGradient,
+		radialgradient: importGradient,
+
+		image: function (node) {
+			var raster = new Raster(getValue(node, 'href', true));
+			raster.attach('load', function() {
+				var size = getSize(node, 'width', 'height');
+				this.setSize(size);
+				var center = this._matrix._transformPoint(
+						getPoint(node, 'x', 'y').add(size.divide(2)));
+				this.translate(center);
+			});
+			return raster;
+		},
+
+		symbol: function(node, type, isRoot, options) {
+			return new Symbol(importGroup(node, type, isRoot, options), true);
+		},
+
+		defs: importGroup,
+
+		use: function(node) {
+			var id = (getValue(node, 'href', true) || '').substring(1),
+				definition = definitions[id],
+				point = getPoint(node, 'x', 'y');
+			return definition
+					? definition instanceof Symbol
+						? definition.place(point)
+						: definition.clone().translate(point)
+					: null;
+		},
+
+		circle: function(node) {
+			return new Shape.Circle(getPoint(node, 'cx', 'cy'),
+					getValue(node, 'r'));
+		},
+
+		ellipse: function(node) {
+			return new Shape.Ellipse({
+				center: getPoint(node, 'cx', 'cy'),
+				radius: getSize(node, 'rx', 'ry')
+			});
+		},
+
+		rect: function(node) {
+			var point = getPoint(node, 'x', 'y'),
+				size = getSize(node, 'width', 'height'),
+				radius = getSize(node, 'rx', 'ry');
+			return new Shape.Rectangle(new Rectangle(point, size), radius);
+		},
+
+		line: function(node) {
+			return new Path.Line(getPoint(node, 'x1', 'y1'),
+					getPoint(node, 'x2', 'y2'));
+		},
+
+		text: function(node) {
+			var text = new PointText(getPoint(node, 'x', 'y')
+					.add(getPoint(node, 'dx', 'dy')));
+			text.setContent(node.textContent.trim() || '');
+			return text;
+		}
+	};
+
+	function applyTransform(item, value, name, node) {
+		var transforms = (node.getAttribute(name) || '').split(/\)\s*/g),
+			matrix = new Matrix();
+		for (var i = 0, l = transforms.length; i < l; i++) {
+			var transform = transforms[i];
+			if (!transform)
+				break;
+			var parts = transform.split('('),
+				command = parts[0],
+				v = parts[1].split(/[\s,]+/g);
+			for (var j = 0, m = v.length; j < m; j++)
+				v[j] = parseFloat(v[j]);
+			switch (command) {
+			case 'matrix':
+				matrix.concatenate(
+						new Matrix(v[0], v[1], v[2], v[3], v[4], v[5]));
+				break;
+			case 'rotate':
+				matrix.rotate(v[0], v[1], v[2]);
+				break;
+			case 'translate':
+				matrix.translate(v[0], v[1]);
+				break;
+			case 'scale':
+				matrix.scale(v);
+				break;
+			case 'skewX':
+				matrix.skew(v[0], 0);
+				break;
+			case 'skewY':
+				matrix.skew(0, v[0]);
+				break;
+			}
+		}
+		item.transform(matrix);
+	}
+
+	function applyOpacity(item, value, name) {
+		var color = item[name === 'fill-opacity' ? 'getFillColor'
+				: 'getStrokeColor']();
+		if (color)
+			color.setAlpha(parseFloat(value));
+	}
+
+	var attributes = Base.each(SVGStyles, function(entry) {
+		this[entry.attribute] = function(item, value) {
+			item[entry.set](convertValue(value, entry.type, entry.fromSVG));
+			if (entry.type === 'color' && item instanceof Shape) {
+				var color = item[entry.get]();
+				if (color)
+					color.transform(new Matrix().translate(
+							item.getPosition(true).negate()));
+			}
+		};
+	}, {
+		id: function(item, value) {
+			definitions[value] = item;
+			if (item.setName)
+				item.setName(value);
+		},
+
+		'clip-path': function(item, value) {
+			var clip = getDefinition(value);
+			if (clip) {
+				clip = clip.clone();
+				clip.setClipMask(true);
+				if (item instanceof Group) {
+					item.insertChild(0, clip);
+				} else {
+					return new Group(clip, item);
+				}
+			}
+		},
+
+		gradientTransform: applyTransform,
+		transform: applyTransform,
+
+		'fill-opacity': applyOpacity,
+		'stroke-opacity': applyOpacity,
+
+		visibility: function(item, value) {
+			item.setVisible(value === 'visible');
+		},
+
+		'stop-color': function(item, value) {
+			if (item.setColor)
+				item.setColor(value);
+		},
+
+		'stop-opacity': function(item, value) {
+			if (item._color)
+				item._color.setAlpha(parseFloat(value));
+		},
+
+		offset: function(item, value) {
+			var percentage = value.match(/(.*)%$/);
+			item.setRampPoint(percentage
+					? percentage[1] / 100
+					: parseFloat(value));
+		},
+
+		viewBox: function(item, value, name, node, styles) {
+			var rect = new Rectangle(convertValue(value, 'array')),
+				size = getSize(node, 'width', 'height', true);
+			if (item instanceof Group) {
+				var scale = size ? rect.getSize().divide(size) : 1,
+					matrix = new Matrix().translate(rect.getPoint()).scale(scale);
+				item.transform(matrix.inverted());
+			} else if (item instanceof Symbol) {
+				if (size)
+					rect.setSize(size);
+				var clip = getAttribute(node, 'overflow', styles) != 'visible',
+					group = item._definition;
+				if (clip && !rect.contains(group.getBounds())) {
+					clip = new Shape.Rectangle(rect).transform(group._matrix);
+					clip.setClipMask(true);
+					group.addChild(clip);
+				}
+			}
+		}
+	});
+
+	function getAttribute(node, name, styles) {
+		var attr = node.attributes[name],
+			value = attr && attr.value;
+		if (!value) {
+			var style = Base.camelize(name);
+			value = node.style[style];
+			if (!value && styles.node[style] !== styles.parent[style])
+				value = styles.node[style];
+		}
+		return !value
+				? undefined
+				: value === 'none'
+					? null
+					: value;
+	}
+
+	function applyAttributes(item, node, isRoot) {
+		var styles = {
+			node: DomElement.getStyles(node) || {},
+			parent: !isRoot && DomElement.getStyles(node.parentNode) || {}
+		};
+		Base.each(attributes, function(apply, name) {
+			var value = getAttribute(node, name, styles);
+			if (value !== undefined)
+				item = Base.pick(apply(item, value, name, node, styles), item);
+		});
+		return item;
+	}
+
+	var definitions = {};
+	function getDefinition(value) {
+		var match = value && value.match(/\((?:#|)([^)']+)/);
+		return match && definitions[match[1]];
+	}
+
+	function importSVG(source, isRoot, options) {
+		if (!source)
+			return null;
+		if (!options) {
+			options = {};
+		} else if (typeof options === 'function') {
+			options = { onLoad: options };
+		}
+
+		var node = source,
+			scope = paper;
+
+		function onLoadCallback(svg) {
+			paper = scope;
+			var item = importSVG(svg, isRoot, options),
+				onLoad = options.onLoad,
+				view = scope.project && scope.getView();
+			if (onLoad)
+				onLoad.call(this, item);
+			view.update();
+		}
+
+		if (isRoot) {
+			if (typeof source === 'string' && !/^.*</.test(source)) {
+				node = document.getElementById(source);
+				if (node) {
+					source = null;
+				} else {
+					return Http.request('get', source, onLoadCallback);
+				}
+			} else if (typeof File !== 'undefined' && source instanceof File) {
+				var reader = new FileReader();
+				reader.onload = function() {
+					onLoadCallback(reader.result);
+				};
+				return reader.readAsText(source);
+			}
+		}
+
+		if (typeof source === 'string')
+			node = new DOMParser().parseFromString(source, 'image/svg+xml');
+		if (!node.nodeName)
+			throw new Error('Unsupported SVG source: ' + source);
+		var type = node.nodeName.toLowerCase(),
+			importer = importers[type],
+			item,
+			data = node.getAttribute && node.getAttribute('data-paper-data'),
+			settings = scope.settings,
+			prevApplyMatrix = settings.applyMatrix;
+		settings.applyMatrix = false;
+		item = importer && importer(node, type, isRoot, options) || null;
+		settings.applyMatrix = prevApplyMatrix;
+		if (item) {
+			if (!(item instanceof Group))
+				item = applyAttributes(item, node, isRoot);
+			if (options.expandShapes && item instanceof Shape) {
+				item.remove();
+				item = item.toPath();
+			}
+			if (data)
+				item._data = JSON.parse(data);
+		}
+		if (isRoot)
+			definitions = {};
+		return item;
+	}
+
+	Item.inject({
+		importSVG: function(node, options) {
+			return this.addChild(importSVG(node, true, options));
+		}
+	});
+
+	Project.inject({
+		importSVG: function(node, options) {
+			this.activate();
+			return importSVG(node, true, options);
+		}
+	});
+};
+
+Base.exports.PaperScript = (function() {
+	var exports, define,
+		scope = this;
+!function(e,r){return"object"==typeof exports&&"object"==typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):(r(e.acorn||(e.acorn={})),void 0)}(this,function(e){"use strict";function r(e){fr=e||{};for(var r in hr)Object.prototype.hasOwnProperty.call(fr,r)||(fr[r]=hr[r]);mr=fr.sourceFile||null}function t(e,r){var t=vr(pr,e);r+=" ("+t.line+":"+t.column+")";var n=new SyntaxError(r);throw n.pos=e,n.loc=t,n.raisedAt=br,n}function n(e){function r(e){if(1==e.length)return t+="return str === "+JSON.stringify(e[0])+";";t+="switch(str){";for(var r=0;r<e.length;++r)t+="case "+JSON.stringify(e[r])+":";t+="return true}return false;"}e=e.split(" ");var t="",n=[];e:for(var a=0;a<e.length;++a){for(var o=0;o<n.length;++o)if(n[o][0].length==e[a].length){n[o].push(e[a]);continue e}n.push([e[a]])}if(n.length>3){n.sort(function(e,r){return r.length-e.length}),t+="switch(str.length){";for(var a=0;a<n.length;++a){var i=n[a];t+="case "+i[0].length+":",r(i)}t+="}"}else 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Dt in lt)e.tokTypes["_"+Dt]=lt[Dt];var Bt,Mt=n("abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile"),zt=n("class enum extends super const export import"),Xt=n("implements interface let package private protected public static yield"),Nt=n("eval arguments"),Wt=n("break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in 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RegExp("["+Pt+"]"),_t=new RegExp("["+Pt+Ht+"]"),Gt=/[\n\r\u2028\u2029]/,Kt=/\r\n|[\n\r\u2028\u2029]/g,Qt=e.isIdentifierStart=function(e){return 65>e?36===e:91>e?!0:97>e?95===e:123>e?!0:e>=170&&$t.test(String.fromCharCode(e))},Yt=e.isIdentifierChar=function(e){return 48>e?36===e:58>e?!0:65>e?!1:91>e?!0:97>e?95===e:123>e?!0:e>=170&&_t.test(String.fromCharCode(e))},Zt={kind:"loop"},en={kind:"switch"}});
+
+	var binaryOperators = {
+		'+': '__add',
+		'-': '__subtract',
+		'*': '__multiply',
+		'/': '__divide',
+		'%': '__modulo',
+		'==': 'equals',
+		'!=': 'equals'
+	};
+
+	var unaryOperators = {
+		'-': '__negate',
+		'+': null
+	};
+
+	var fields = Base.each(
+		['add', 'subtract', 'multiply', 'divide', 'modulo', 'negate'],
+		function(name) {
+			this['__' + name] = '#' + name;
+		},
+		{}
+	);
+	Point.inject(fields);
+	Size.inject(fields);
+	Color.inject(fields);
+
+	function _$_(left, operator, right) {
+		var handler = binaryOperators[operator];
+		if (left && left[handler]) {
+			var res = left[handler](right);
+			return operator === '!=' ? !res : res;
+		}
+		switch (operator) {
+		case '+': return left + right;
+		case '-': return left - right;
+		case '*': return left * right;
+		case '/': return left / right;
+		case '%': return left % right;
+		case '==': return left == right;
+		case '!=': return left != right;
+		}
+	}
+
+	function $_(operator, value) {
+		var handler = unaryOperators[operator];
+		if (handler && value && value[handler])
+			return value[handler]();
+		switch (operator) {
+		case '+': return +value;
+		case '-': return -value;
+		}
+	}
+
+	function compile(code) {
+
+		var insertions = [];
+
+		function getOffset(offset) {
+			for (var i = 0, l = insertions.length; i < l; i++) {
+				var insertion = insertions[i];
+				if (insertion[0] >= offset)
+					break;
+				offset += insertion[1];
+			}
+			return offset;
+		}
+
+		function getCode(node) {
+			return code.substring(getOffset(node.range[0]),
+					getOffset(node.range[1]));
+		}
+
+		function replaceCode(node, str) {
+			var start = getOffset(node.range[0]),
+				end = getOffset(node.range[1]),
+				insert = 0;
+			for (var i = insertions.length - 1; i >= 0; i--) {
+				if (start > insertions[i][0]) {
+					insert = i + 1;
+					break;
+				}
+			}
+			insertions.splice(insert, 0, [start, str.length - end + start]);
+			code = code.substring(0, start) + str + code.substring(end);
+		}
+
+		function walkAST(node, parent) {
+			if (!node)
+				return;
+			for (var key in node) {
+				if (key === 'range')
+					continue;
+				var value = node[key];
+				if (Array.isArray(value)) {
+					for (var i = 0, l = value.length; i < l; i++)
+						walkAST(value[i], node);
+				} else if (value && typeof value === 'object') {
+					walkAST(value, node);
+				}
+			}
+			switch (node && node.type) {
+			case 'UnaryExpression': 
+				if (node.operator in unaryOperators
+						&& node.argument.type !== 'Literal') {
+					var arg = getCode(node.argument);
+					replaceCode(node, '$_("' + node.operator + '", '
+							+ arg + ')');
+				}
+				break;
+			case 'BinaryExpression': 
+				if (node.operator in binaryOperators
+						&& node.left.type !== 'Literal') {
+					var left = getCode(node.left),
+						right = getCode(node.right);
+					replaceCode(node, '_$_(' + left + ', "' + node.operator
+							+ '", ' + right + ')');
+				}
+				break;
+			case 'UpdateExpression': 
+			case 'AssignmentExpression': 
+				if (!(parent && (
+						parent.type === 'ForStatement'
+						|| parent.type === 'BinaryExpression'
+							&& /^[=!<>]/.test(parent.operator)
+						|| parent.type === 'MemberExpression'
+							&& parent.computed))) {
+					if (node.type === 'UpdateExpression') {
+						if (!node.prefix) {
+							var arg = getCode(node.argument);
+							replaceCode(node, arg + ' = _$_(' + arg + ', "'
+									+ node.operator[0] + '", 1)');
+						}
+					} else { 
+						if (/^.=$/.test(node.operator)
+								&& node.left.type !== 'Literal') {
+							var left = getCode(node.left),
+								right = getCode(node.right);
+							replaceCode(node, left + ' = _$_(' + left + ', "'
+									+ node.operator[0] + '", ' + right + ')');
+						}
+					}
+				}
+				break;
+			}
+		}
+		walkAST(scope.acorn.parse(code, { ranges: true }));
+		return code;
+	}
+
+	function execute(code, scope) {
+		paper = scope;
+		var view = scope.getView(),
+			tool = /\s+on(?:Key|Mouse)(?:Up|Down|Move|Drag)\b/.test(code)
+					? new Tool()
+					: null,
+			toolHandlers = tool ? tool._events : [],
+			handlers = ['onFrame', 'onResize'].concat(toolHandlers),
+			params = [],
+			args = [],
+			func;
+		code = compile(code);
+		function expose(scope, hidden) {
+			for (var key in scope) {
+				if ((hidden || !/^_/.test(key)) && new RegExp(
+						'\\b' + key.replace(/\$/g, '\\$') + '\\b').test(code)) {
+					params.push(key);
+					args.push(scope[key]);
+				}
+			}
+		}
+		expose({ _$_: _$_, $_: $_, view: view, tool: tool }, true);
+		expose(scope);
+		handlers = Base.each(handlers, function(key) {
+			if (new RegExp('\\s+' + key + '\\b').test(code)) {
+				params.push(key);
+				this.push(key + ': ' + key);
+			}
+		}, []).join(', ');
+		if (handlers)
+			code += '\nreturn { ' + handlers + ' };';
+		var firefox = window.InstallTrigger;
+		if (firefox || window.chrome) {
+			var script = document.createElement('script'),
+				head = document.head;
+			if (firefox)
+				code = '\n' + code;
+			script.appendChild(document.createTextNode(
+				'paper._execute = function(' + params + ') {' + code + '\n}'
+			));
+			head.appendChild(script);
+			func = paper._execute;
+			delete paper._execute;
+			head.removeChild(script);
+		} else {
+			func = Function(params, code);
+		}
+		var res = func.apply(scope, args) || {};
+		Base.each(toolHandlers, function(key) {
+			var value = res[key];
+			if (value)
+				tool[key] = value;
+		});
+		if (view) {
+			if (res.onResize)
+				view.setOnResize(res.onResize);
+			view.fire('resize', {
+				size: view.size,
+				delta: new Point()
+			});
+			if (res.onFrame)
+				view.setOnFrame(res.onFrame);
+			view.update();
+		}
+	}
+
+	function load() {
+		Base.each(document.getElementsByTagName('script'), function(script) {
+			if (/^text\/(?:x-|)paperscript$/.test(script.type)
+					&& !script.getAttribute('data-paper-ignore')) {
+				var canvas = PaperScope.getAttribute(script, 'canvas'),
+					scope = PaperScope.get(canvas)
+							|| new PaperScope(script).setup(canvas),
+					src = script.src;
+				if (src) {
+					Http.request('get', src, function(code) {
+						execute(code, scope);
+					});
+				} else {
+					execute(script.innerHTML, scope);
+				}
+				script.setAttribute('data-paper-ignore', true);
+			}
+		}, this);
+	}
+
+	if (document.readyState === 'complete') {
+		setTimeout(load);
+	} else {
+		DomEvent.add(window, { load: load });
+	}
+
+	return {
+		compile: compile,
+		execute: execute,
+		load: load,
+		lineNumberBase: 0
+	};
+
+}).call(this);
+
+paper = new (PaperScope.inject(Base.exports, {
+	enumerable: true,
+	Base: Base,
+	Numerical: Numerical,
+	DomElement: DomElement,
+	DomEvent: DomEvent,
+	Http: Http,
+	Key: Key
+}))();
+
+if (typeof define === 'function' && define.amd)
+	define('paper', paper);
+
+return paper;
+};
diff --git a/www/js/tilecanvas.js b/www/js/tilecanvas.js
new file mode 100644
index 0000000..44a6e1c
--- /dev/null
+++ b/www/js/tilecanvas.js
@@ -0,0 +1,431 @@
+
+var ashlarToPaper = function (pt) {
+    return new Point(pt.x, pt.y);
+};
+
+var ptile; //stores reference to shared prototile
+
+var setPrototile = function (prototile) {
+    ptile = prototile;
+    ptile.scale = 50;
+    setCurrentPathLabel(prototile.getFreeEdges()[0].name);    
+    retile();
+    updateModelTile();
+    lineEdit();
+};
+
+this.setPrototile = setPrototile;
+
+var rescale = function (val) {
+    ptile.scale = val;
+    retile();
+};
+
+this.rescale = rescale;
+
+var lineWidth = 1;
+var lineColor = 'black';
+
+var setStroke = function (w, c) {
+    lineColor = c || 'black';
+    lineWidth = w;
+    retile();
+};
+
+this.setStroke = setStroke;
+
+var rotationValue = 0;
+var rotationBy = function (v) {
+    rotationValue = v;
+    retile();
+};
+
+this.rotationBy = rotationBy;
+
+var unit;
+
+var copyArray = function (a) {
+    return a.map(function (x) {return x;});
+};
+
+var tilecanvas = new Project("tilecanvas");
+
+this.tilecanvas = tilecanvas;
+
+var editor = new Project("editor");
+
+var modeltile = new Project("modeltile");
+this.modeltile = modeltile;
+
+var modeltilecenter = new Point(50,50);
+
+
+
+var currentPoints = [new Point(10,90), new Point(170, 90)];
+var interval = 1;
+
+var updateInterval = function (pt) {
+    if (pt.x <= currentPoints[1].x) {
+	interval = 1;
+    } else if (pt.x >= currentPoints[currentPoints.length - 2].x) {
+	interval = currentPoints.length - 1;
+    } else {
+	var i = 0;
+	while (i < (currentPoints.length - 2)) {
+	    if (pt.x >= currentPoints[i].x && pt.x < currentPoints[i+1].x) {
+		interval = (i + 1);
+		i = currentPoints.length;
+	    }
+	    i += 1;
+	}
+    }
+};
+
+var insert = function (a,i,v) {
+    var head = a.map(function (x) {return x;});
+    var tail = head.splice(i);
+    head.push(v);
+    return head.concat(tail);
+};
+
+var freehandMode = false;
+
+this.toggleFreehand = function () {
+    freehandMode = !freehandMode;
+    console.log("freehandMode = " + freehandMode);
+};
+
+function onMouseDown (event) {
+    if (event.item && event.item.edgePoint) {
+	currentPoints.splice(event.item.edgePoint.index, 1);
+    } else if (event.event.target.id === 'editor') {
+	updateInterval(event.point);
+	lineEdit(event.point);
+	updateModelTile(event.point.clone());
+    }
+}
+
+function onMouseDrag (event) {
+    if (event.event.target.id === 'editor') {
+	if (freehandMode && Math.abs(event.delta.x) >= 2) {
+	    updateCurrentPoints(event.point);
+	} else {
+	    updateInterval(event.point);
+	    lineEdit(event.point);
+	    updateModelTile(event.point.clone());
+	}
+    }
+}
+
+function onMouseUp (e) {
+    if (e.event.target.id === 'editor') {
+	updateInterval(e.point);
+//	currentPoints = insert(currentPoints, interval, e.point.clone());
+	updateCurrentPoints(e.point.clone());
+	pathToEdgePath();
+	updateModelTile();
+	retile();
+    }
+}
+
+var updateCurrentPoints = function (point) {
+    var edgeType = ptile.getEdgeType(currentPathLabel);
+    if (edgeType === 'J') {
+	if (freehandMode) {
+	    currentPoints.push(point);
+	    currentPoints.sort(function (a,b) {return a.x - b.x;});
+	} else {
+	    currentPoints = insert(currentPoints, interval, point.clone());
+	}
+    } else if (edgeType === 'S') {
+	var mid = new Point(90,90);
+	currentPoints.push(mid);
+	currentPoints.push(point);
+	currentPoints.sort(function (a,b) {return a.x - b.x;});
+	var midIndex = Math.floor(currentPoints.length / 2);
+	var firstHalf = currentPoints.slice(0,midIndex);
+	var secondHalf = firstHalf.reverse().map(function (pt) {
+	    return new Point(180 - pt.x, 180 - pt.y);
+	});
+	firstHalf.push(mid);
+	currentPoints = firstHalf.concat(secondHalf).sort(function (a,b) {
+	    return a.x - b.x;
+	});									  
+    } else if (edgeType === 'U') {
+	var mid = new Point(90,90);
+	currentPoints.push(mid);
+	currentPoints.push(point);
+	currentPoints.sort(function (a,b) {return a.x - b.x;});
+	var midIndex = Math.floor(currentPoints.length / 2);
+	var firstHalf = currentPoints.slice(0, midIndex);
+	var secondHalf = firstHalf.reverse().map(function (pt) {
+	    return new Point(180 - pt.x, pt.y);
+	});
+	firstHalf.push(mid);
+	currentPoints = firstHalf.concat(secondHalf).sort(function (a, b) {
+	    return a.x - b.x;
+	});
+    }
+
+};
+
+var resetPrototileEdgePaths = function () {
+    currentPoints = [new Point(10,90), new Point(170, 90)];
+    pathToEdgePath();
+    updateModelTile();
+    lineEdit();
+    retile();
+};
+
+this.resetEditor = resetPrototileEdgePaths;
+
+var currentPathLabel = 'a';
+
+var setCurrentPathLabel = function (v) {
+    currentPathLabel = v;
+    var trans = new Point(10,90);
+    currentPoints = ptile.edgePaths[currentPathLabel].map(function (pt) {
+	return (ashlarToPaper(pt) * 160) + trans;
+    });
+    updateModelTile();
+    lineEdit();
+    retile();
+};
+
+this.setCurrentPathLabel = setCurrentPathLabel;
+
+var pathToEdgePath = function () {
+    var first = currentPoints[0];
+    var last = currentPoints[currentPoints.length - 1];
+    var scale = last.x - first.x;
+    ptile.edgePaths[currentPathLabel] =  currentPoints.map(function (pt) {
+	return Ashlar.Point( (pt - first) / scale );
+    });
+};
+
+var SHOW_ACTIVE = true;
+
+var toggleActiveVis = function () {
+    SHOW_ACTIVE = !SHOW_ACTIVE;
+};
+
+this.toggleActiveVis = toggleActiveVis;
+
+var updateModelTile = function (point) {
+    if (!ptile) return false;
+    var edgeType = ptile.getEdgeType(currentPathLabel);
+
+    var check = point && ((point.x < 90 && (edgeType === 'S' || edgeType === 'U')) || edgeType === 'J');
+    
+    modeltile.activate();
+    modeltile.activeLayer.removeChildren(); 
+    if (check)  {
+	var currentEdgePath = copyArray(ptile.edgePaths[currentPathLabel]);
+	var backupCurrentPoints = copyArray(currentPoints);
+	currentPoints.push(point);
+	if (edgeType === 'S' || edgeType === 'U') {
+	    currentPoints.push(new Point(90,90));
+	    currentPoints = currentPoints.sort(function (a,b) {return a.x - b.x;});
+	    var midIndex = Math.floor(currentPoints.length / 2);
+	    var firstHalf = currentPoints.slice(0,midIndex);
+	    if (edgeType === 'S') {
+		var secondHalf = firstHalf.reverse().map(function (pt) {
+		    return new Point(180 - pt.x, 180 - pt.y);
+		});
+	    } else if (edgeType === 'U') {
+		var secondHalf = firstHalf.reverse().map(function (pt) {
+		    return new Point(180 - pt.x, pt.y);
+		});
+	    }
+	    currentPoints = firstHalf.concat(secondHalf);
+	    currentPoints.push(new Point(90,90));
+	}
+	currentPoints = currentPoints.sort(function (a,b) {return a.x - b.x;});
+	pathToEdgePath();
+    } 
+    
+    unit = ptile.translationalUnit();
+   
+    var points = unit.shapes[0].path.map(ashlarToPaper);
+
+    var startStop = ptile.getPathLimitsForEdge(currentPathLabel);
+    var p = new Group();
+    for (var i = 1; i < points.length; i += 1) {
+	var p0 = new Path(points[i-1], points[i]);
+	if (SHOW_ACTIVE && i > startStop.start && i < startStop.stop) {
+	    p0.strokeColor = 'red';
+	    p0.strokeWidth = 3;
+	} else {
+	    p0.strokeColor = 'black';
+	}
+	p.addChild(p0);
+    }
+    p.position = new Point(90,90);
+    p.scaling = new Point( 60 / ptile.scale, 60 / ptile.scale);
+    if (check) {
+	currentPoints = backupCurrentPoints;
+	ptile.edgePaths[currentPathLabel] = currentEdgePath;
+    }
+    modeltile.view.update();
+};
+
+this.updateModelTile = updateModelTile;
+
+var sLineEdit = function (point) {
+    
+    var mid = new Point(90,90);
+    var tempPoints = currentPoints.slice(0);
+    tempPoints.push(mid);
+    if (point) tempPoints.push(point);
+    tempPoints = tempPoints.sort(function (a,b) {return a.x - b.x});
+    
+    var midIndex = Math.floor(tempPoints.length / 2);
+
+    var firstHalf = tempPoints.slice(0,midIndex);
+    var secondHalf = firstHalf.reverse().map(function (pt) {
+	return new Point(180 - pt.x, 180 - pt.y);
+    });
+    firstHalf.push(mid);
+    tempPoints = firstHalf.concat(secondHalf).sort(function (a,b) {return a.x - b.x;});
+
+    
+    for (var i = 1; i < tempPoints.length; i += 1) {
+	var p = new Path(tempPoints[i-1],tempPoints[i]);
+	if (tempPoints[i].x <= mid.x) {
+	    p.strokeColor = 'red';
+	    if (tempPoints[i].x < mid.x) {
+		var circ = new Path.Circle(tempPoints[i],8);
+		circ.edgePoint = tempPoints[i].clone();
+		circ.edgePoint.index = i;
+		circ.fillColor = 'red';
+	    }
+	} else {
+	    p.strokeColor = 'black';
+	}
+    }
+};
+
+var uLineEdit = function (point) {
+    var mid = new Point(90,90);
+    var tempPoints = currentPoints.slice(0);
+    tempPoints.push(mid);
+    if (point) tempPoints.push(point);
+    tempPoints = tempPoints.sort(function (a,b) {return a.x - b.x});
+    var midIndex = Math.floor(tempPoints.length / 2);
+    var firstHalf = tempPoints.slice(0,midIndex);
+    var secondHalf = firstHalf.reverse().map(function (pt) {
+	return new Point(180 - pt.x, pt.y);
+    });
+    firstHalf.push(mid);
+    tempPoints = firstHalf.concat(secondHalf).sort(function (a,b) {return a.x - b.x;});
+    
+        for (var i = 1; i < tempPoints.length; i += 1) {
+	var p = new Path(tempPoints[i-1],tempPoints[i]);
+	if (tempPoints[i].x <= mid.x) {
+	    p.strokeColor = 'red';
+	    if (tempPoints[i].x < mid.x) {
+		var circ = new Path.Circle(tempPoints[i],8);
+		circ.edgePoint = tempPoints[i].clone();
+		circ.edgePoint.index = i;
+		circ.fillColor = 'red';
+	    }
+	} else {
+	    p.strokeColor = 'black';
+	}
+    }
+
+};
+
+var jLineEdit = function (point) {
+    
+    if (point) {
+	var tempPoints = insert(currentPoints, interval, point);
+	var p = new Path(tempPoints);
+    } else {
+	var tempPoints = currentPoints;
+	var p = new Path(currentPoints);
+    }
+    
+    p.strokeColor = 'red';
+    
+    for (var i = 1; i < tempPoints.length - 1; i += 1) {
+	var circ = new Path.Circle(tempPoints[i], 8);
+	circ.fillColor = 'red';
+	circ.edgePoint = tempPoints[i].clone();
+	circ.edgePoint.index = i;
+    }
+};
+
+var lineEdit = function (point) {
+    if (!ptile) return false;
+    editor.activate();
+    editor.activeLayer.removeChildren();
+    var edgeType = ptile.getEdgeType(currentPathLabel);
+    if (edgeType === 'J') {
+	jLineEdit(point);
+    } else if (edgeType === 'S') {
+	sLineEdit(point);
+    } else if (edgeType === 'U') {
+	uLineEdit(point);
+    }
+
+    editor.view.update();
+};
+
+var retile = function () {
+    if (!ptile) return false;
+    
+    
+    tilecanvas.activate();
+    tilecanvas.activeLayer.removeChildren();
+    unit = ptile.translationalUnit();
+    
+    var gxt = 250;
+    var gyt = 250;
+    
+    var paths = new Group();
+    for (var i = 0; i < unit.shapes.length ; i += 1) {	
+	var path = new Path();
+	path.strokeColor = lineColor;
+	path.strokeWidth = lineWidth;
+	for (var j = 0; j < unit.shapes[i].path.length; j += 1) {
+	    path.add(new Point(unit.shapes[i].path[j].x + gxt,
+			       unit.shapes[i].path[j].y + gyt));
+	    
+	}
+	paths.addChild(path);
+    }
+    
+    var unitSymbol = new Symbol(paths);
+    
+    var t1 = new Point(unit.t1.x, unit.t1.y);
+    var t2 = new Point(unit.t2.x, unit.t2.y);
+    
+    var trange = Math.round(1.3 * Math.ceil(1.1 * tilecanvas.view.size.width / ptile.scale));
+    
+    for (var i = -1 *trange ; i < trange; i += 1) {
+	for (var j = -1 * trange; j < trange; j += 1) {
+	    unitSymbol.place( (t1 * i) + (t2 * j));
+	}
+    }
+
+    tilecanvas.activeLayer.rotate(rotationValue, tilecanvas.view.center);
+  
+    tilecanvas.view.update();
+    editor.activate();
+    if (paper.createLink) paper.createLink();
+};
+
+this.retile = retile;
+
+var parameterChange = function () {
+    lineEdit();
+    updateModelTile();
+    retile();
+};
+
+this.parameterChange = parameterChange;
+
+retile();
+updateModelTile();
+lineEdit();