#805 Image memory leak fix (#806)

Simple sulution with SVG.off() in callback

3 files changed, 5526 insertions, 5518 deletions

diff --git a/dist/svg.js b/dist/svg.js
index 6c5e45a..adae3cf 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -6,5547 +6,5551 @@
 * @copyright Wout Fierens <wout@mick-wout.com>
 * @license MIT
 *
-* BUILT: Fri Jul 21 2017 14:50:37 GMT+0200 (Mitteleuropäische Sommerzeit)
+* BUILT: Wed Feb 07 2018 19:34:58 GMT+0100 (CET)
 */;
-(function(root, factory) {

-  /* istanbul ignore next */

-  if (typeof define === 'function' && define.amd) {

-    define(function(){

-      return factory(root, root.document)

-    })

-  } else if (typeof exports === 'object') {

-    module.exports = root.document ? factory(root, root.document) : function(w){ return factory(w, w.document) }

-  } else {

-    root.SVG = factory(root, root.document)

-  }

-}(typeof window !== "undefined" ? window : this, function(window, document) {

-

-// The main wrapping element

-var SVG = this.SVG = function(element) {

-  if (SVG.supported) {

-    element = new SVG.Doc(element)

-

-    if(!SVG.parser.draw)

-      SVG.prepare()

-

-    return element

-  }

-}

-

-// Default namespaces

-SVG.ns    = 'http://www.w3.org/2000/svg'

-SVG.xmlns = 'http://www.w3.org/2000/xmlns/'

-SVG.xlink = 'http://www.w3.org/1999/xlink'

-SVG.svgjs = 'http://svgjs.com/svgjs'

-

-// Svg support test

-SVG.supported = (function() {

-  return !! document.createElementNS &&

-         !! document.createElementNS(SVG.ns,'svg').createSVGRect

-})()

-

-// Don't bother to continue if SVG is not supported

-if (!SVG.supported) return false

-

-// Element id sequence

-SVG.did  = 1000

-

-// Get next named element id

-SVG.eid = function(name) {

-  return 'Svgjs' + capitalize(name) + (SVG.did++)

-}

-

-// Method for element creation

-SVG.create = function(name) {

-  // create element

-  var element = document.createElementNS(this.ns, name)

-

-  // apply unique id

-  element.setAttribute('id', this.eid(name))

-

-  return element

-}

-

-// Method for extending objects

-SVG.extend = function() {

-  var modules, methods, key, i

-

-  // Get list of modules

-  modules = [].slice.call(arguments)

-

-  // Get object with extensions

-  methods = modules.pop()

-

-  for (i = modules.length - 1; i >= 0; i--)

-    if (modules[i])

-      for (key in methods)

-        modules[i].prototype[key] = methods[key]

-

-  // Make sure SVG.Set inherits any newly added methods

-  if (SVG.Set && SVG.Set.inherit)

-    SVG.Set.inherit()

-}

-

-// Invent new element

-SVG.invent = function(config) {

-  // Create element initializer

-  var initializer = typeof config.create == 'function' ?

-    config.create :

-    function() {

-      this.constructor.call(this, SVG.create(config.create))

-    }

-

-  // Inherit prototype

-  if (config.inherit)

-    initializer.prototype = new config.inherit

-

-  // Extend with methods

-  if (config.extend)

-    SVG.extend(initializer, config.extend)

-

-  // Attach construct method to parent

-  if (config.construct)

-    SVG.extend(config.parent || SVG.Container, config.construct)

-

-  return initializer

-}

-

-// Adopt existing svg elements

-SVG.adopt = function(node) {

-  // check for presence of node

-  if (!node) return null

-

-  // make sure a node isn't already adopted

-  if (node.instance) return node.instance

-

-  // initialize variables

-  var element

-

-  // adopt with element-specific settings

-  if (node.nodeName == 'svg')

-    element = node.parentNode instanceof window.SVGElement ? new SVG.Nested : new SVG.Doc

-  else if (node.nodeName == 'linearGradient')

-    element = new SVG.Gradient('linear')

-  else if (node.nodeName == 'radialGradient')

-    element = new SVG.Gradient('radial')

-  else if (SVG[capitalize(node.nodeName)])

-    element = new SVG[capitalize(node.nodeName)]

-  else

-    element = new SVG.Element(node)

-

-  // ensure references

-  element.type  = node.nodeName

-  element.node  = node

-  node.instance = element

-

-  // SVG.Class specific preparations

-  if (element instanceof SVG.Doc)

-    element.namespace().defs()

-

-  // pull svgjs data from the dom (getAttributeNS doesn't work in html5)

-  element.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})

-

-  return element

-}

-

-// Initialize parsing element

-SVG.prepare = function() {

-  // Select document body and create invisible svg element

-  var body = document.getElementsByTagName('body')[0]

-    , draw = (body ? new SVG.Doc(body) : SVG.adopt(document.documentElement).nested()).size(2, 0)

-

-  // Create parser object

-  SVG.parser = {

-    body: body || document.documentElement

-  , draw: draw.style('opacity:0;position:absolute;left:-100%;top:-100%;overflow:hidden').node

-  , poly: draw.polyline().node

-  , path: draw.path().node

-  , native: SVG.create('svg')

-  }

-}

-

-SVG.parser = {

-  native: SVG.create('svg')

-}

-

-document.addEventListener('DOMContentLoaded', function() {

-  if(!SVG.parser.draw)

-    SVG.prepare()

-}, false)

-
-// Storage for regular expressions

-SVG.regex = {

-  // Parse unit value

-  numberAndUnit:    /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i

-

-  // Parse hex value

-, hex:              /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i

-

-  // Parse rgb value

-, rgb:              /rgb\((\d+),(\d+),(\d+)\)/

-

-  // Parse reference id

-, reference:        /#([a-z0-9\-_]+)/i

-

-  // splits a transformation chain

-, transforms:       /\)\s*,?\s*/

-

-  // Whitespace

-, whitespace:       /\s/g

-

-  // Test hex value

-, isHex:            /^#[a-f0-9]{3,6}$/i

-

-  // Test rgb value

-, isRgb:            /^rgb\(/

-

-  // Test css declaration

-, isCss:            /[^:]+:[^;]+;?/

-

-  // Test for blank string

-, isBlank:          /^(\s+)?$/

-

-  // Test for numeric string

-, isNumber:         /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i

-

-  // Test for percent value

-, isPercent:        /^-?[\d\.]+%$/

-

-  // Test for image url

-, isImage:          /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i

-

-  // split at whitespace and comma

-, delimiter:        /[\s,]+/

-

-  // The following regex are used to parse the d attribute of a path

-

-  // Matches all hyphens which are not after an exponent

-, hyphen:           /([^e])\-/gi

-

-  // Replaces and tests for all path letters

-, pathLetters:      /[MLHVCSQTAZ]/gi

-

-  // yes we need this one, too

-, isPathLetter:     /[MLHVCSQTAZ]/i

-

-  // matches 0.154.23.45

-, numbersWithDots:  /((\d?\.\d+(?:e[+-]?\d+)?)((?:\.\d+(?:e[+-]?\d+)?)+))+/gi

-

-  // matches .

-, dots:             /\./g

-}

-
-SVG.utils = {

-  // Map function

-  map: function(array, block) {

-    var i

-      , il = array.length

-      , result = []

-

-    for (i = 0; i < il; i++)

-      result.push(block(array[i]))

-

-    return result

-  }

-

-  // Filter function

-, filter: function(array, block) {

-    var i

-      , il = array.length

-      , result = []

-

-    for (i = 0; i < il; i++)

-      if (block(array[i]))

-        result.push(array[i])

-

-    return result

-  }

-

-  // Degrees to radians

-, radians: function(d) {

-    return d % 360 * Math.PI / 180

-  }

-

-  // Radians to degrees

-, degrees: function(r) {

-    return r * 180 / Math.PI % 360

-  }

-

-, filterSVGElements: function(nodes) {

-    return this.filter( nodes, function(el) { return el instanceof window.SVGElement })

-  }

-

+(function(root, factory) {
+  /* istanbul ignore next */
+  if (typeof define === 'function' && define.amd) {
+    define(function(){
+      return factory(root, root.document)
+    })
+  } else if (typeof exports === 'object') {
+    module.exports = root.document ? factory(root, root.document) : function(w){ return factory(w, w.document) }
+  } else {
+    root.SVG = factory(root, root.document)
+  }
+}(typeof window !== "undefined" ? window : this, function(window, document) {
+
+// The main wrapping element
+var SVG = this.SVG = function(element) {
+  if (SVG.supported) {
+    element = new SVG.Doc(element)
+
+    if(!SVG.parser.draw)
+      SVG.prepare()
+
+    return element
+  }
+}
+
+// Default namespaces
+SVG.ns    = 'http://www.w3.org/2000/svg'
+SVG.xmlns = 'http://www.w3.org/2000/xmlns/'
+SVG.xlink = 'http://www.w3.org/1999/xlink'
+SVG.svgjs = 'http://svgjs.com/svgjs'
+
+// Svg support test
+SVG.supported = (function() {
+  return !! document.createElementNS &&
+         !! document.createElementNS(SVG.ns,'svg').createSVGRect
+})()
+
+// Don't bother to continue if SVG is not supported
+if (!SVG.supported) return false
+
+// Element id sequence
+SVG.did  = 1000
+
+// Get next named element id
+SVG.eid = function(name) {
+  return 'Svgjs' + capitalize(name) + (SVG.did++)
+}
+
+// Method for element creation
+SVG.create = function(name) {
+  // create element
+  var element = document.createElementNS(this.ns, name)
+
+  // apply unique id
+  element.setAttribute('id', this.eid(name))
+
+  return element
+}
+
+// Method for extending objects
+SVG.extend = function() {
+  var modules, methods, key, i
+
+  // Get list of modules
+  modules = [].slice.call(arguments)
+
+  // Get object with extensions
+  methods = modules.pop()
+
+  for (i = modules.length - 1; i >= 0; i--)
+    if (modules[i])
+      for (key in methods)
+        modules[i].prototype[key] = methods[key]
+
+  // Make sure SVG.Set inherits any newly added methods
+  if (SVG.Set && SVG.Set.inherit)
+    SVG.Set.inherit()
+}
+
+// Invent new element
+SVG.invent = function(config) {
+  // Create element initializer
+  var initializer = typeof config.create == 'function' ?
+    config.create :
+    function() {
+      this.constructor.call(this, SVG.create(config.create))
+    }
+
+  // Inherit prototype
+  if (config.inherit)
+    initializer.prototype = new config.inherit
+
+  // Extend with methods
+  if (config.extend)
+    SVG.extend(initializer, config.extend)
+
+  // Attach construct method to parent
+  if (config.construct)
+    SVG.extend(config.parent || SVG.Container, config.construct)
+
+  return initializer
+}
+
+// Adopt existing svg elements
+SVG.adopt = function(node) {
+  // check for presence of node
+  if (!node) return null
+
+  // make sure a node isn't already adopted
+  if (node.instance) return node.instance
+
+  // initialize variables
+  var element
+
+  // adopt with element-specific settings
+  if (node.nodeName == 'svg')
+    element = node.parentNode instanceof window.SVGElement ? new SVG.Nested : new SVG.Doc
+  else if (node.nodeName == 'linearGradient')
+    element = new SVG.Gradient('linear')
+  else if (node.nodeName == 'radialGradient')
+    element = new SVG.Gradient('radial')
+  else if (SVG[capitalize(node.nodeName)])
+    element = new SVG[capitalize(node.nodeName)]
+  else
+    element = new SVG.Element(node)
+
+  // ensure references
+  element.type  = node.nodeName
+  element.node  = node
+  node.instance = element
+
+  // SVG.Class specific preparations
+  if (element instanceof SVG.Doc)
+    element.namespace().defs()
+
+  // pull svgjs data from the dom (getAttributeNS doesn't work in html5)
+  element.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})
+
+  return element
 }
-

-SVG.defaults = {

-  // Default attribute values

-  attrs: {

-    // fill and stroke

-    'fill-opacity':     1

-  , 'stroke-opacity':   1

-  , 'stroke-width':     0

-  , 'stroke-linejoin':  'miter'

-  , 'stroke-linecap':   'butt'

-  , fill:               '#000000'

-  , stroke:             '#000000'

-  , opacity:            1

-    // position

-  , x:                  0

-  , y:                  0

-  , cx:                 0

-  , cy:                 0

-    // size

-  , width:              0

-  , height:             0

-    // radius

-  , r:                  0

-  , rx:                 0

-  , ry:                 0

-    // gradient

-  , offset:             0

-  , 'stop-opacity':     1

-  , 'stop-color':       '#000000'

-    // text

-  , 'font-size':        16

-  , 'font-family':      'Helvetica, Arial, sans-serif'

-  , 'text-anchor':      'start'

-  }

-

+
+// Initialize parsing element
+SVG.prepare = function() {
+  // Select document body and create invisible svg element
+  var body = document.getElementsByTagName('body')[0]
+    , draw = (body ? new SVG.Doc(body) : SVG.adopt(document.documentElement).nested()).size(2, 0)
+
+  // Create parser object
+  SVG.parser = {
+    body: body || document.documentElement
+  , draw: draw.style('opacity:0;position:absolute;left:-100%;top:-100%;overflow:hidden').node
+  , poly: draw.polyline().node
+  , path: draw.path().node
+  , native: SVG.create('svg')
+  }
 }
-// Module for color convertions

-SVG.Color = function(color) {

-  var match

-

-  // initialize defaults

-  this.r = 0

-  this.g = 0

-  this.b = 0

-

-  if(!color) return

-

-  // parse color

-  if (typeof color === 'string') {

-    if (SVG.regex.isRgb.test(color)) {

-      // get rgb values

-      match = SVG.regex.rgb.exec(color.replace(SVG.regex.whitespace,''))

-

-      // parse numeric values

-      this.r = parseInt(match[1])

-      this.g = parseInt(match[2])

-      this.b = parseInt(match[3])

-

-    } else if (SVG.regex.isHex.test(color)) {

-      // get hex values

-      match = SVG.regex.hex.exec(fullHex(color))

-

-      // parse numeric values

-      this.r = parseInt(match[1], 16)

-      this.g = parseInt(match[2], 16)

-      this.b = parseInt(match[3], 16)

-

-    }

-

-  } else if (typeof color === 'object') {

-    this.r = color.r

-    this.g = color.g

-    this.b = color.b

-

-  }

-

-}

-

-SVG.extend(SVG.Color, {

-  // Default to hex conversion

-  toString: function() {

-    return this.toHex()

-  }

-  // Build hex value

-, toHex: function() {

-    return '#'

-      + compToHex(this.r)

-      + compToHex(this.g)

-      + compToHex(this.b)

-  }

-  // Build rgb value

-, toRgb: function() {

-    return 'rgb(' + [this.r, this.g, this.b].join() + ')'

-  }

-  // Calculate true brightness

-, brightness: function() {

-    return (this.r / 255 * 0.30)

-         + (this.g / 255 * 0.59)

-         + (this.b / 255 * 0.11)

-  }

-  // Make color morphable

-, morph: function(color) {

-    this.destination = new SVG.Color(color)

-

-    return this

-  }

-  // Get morphed color at given position

-, at: function(pos) {

-    // make sure a destination is defined

-    if (!this.destination) return this

-

-    // normalise pos

-    pos = pos < 0 ? 0 : pos > 1 ? 1 : pos

-

-    // generate morphed color

-    return new SVG.Color({

-      r: ~~(this.r + (this.destination.r - this.r) * pos)

-    , g: ~~(this.g + (this.destination.g - this.g) * pos)

-    , b: ~~(this.b + (this.destination.b - this.b) * pos)

-    })

-  }

-

-})

-

-// Testers

-

-// Test if given value is a color string

-SVG.Color.test = function(color) {

-  color += ''

-  return SVG.regex.isHex.test(color)

-      || SVG.regex.isRgb.test(color)

-}

-

-// Test if given value is a rgb object

-SVG.Color.isRgb = function(color) {

-  return color && typeof color.r == 'number'

-               && typeof color.g == 'number'

-               && typeof color.b == 'number'

-}

-

-// Test if given value is a color

-SVG.Color.isColor = function(color) {

-  return SVG.Color.isRgb(color) || SVG.Color.test(color)

+
+SVG.parser = {
+  native: SVG.create('svg')
+}
+
+document.addEventListener('DOMContentLoaded', function() {
+  if(!SVG.parser.draw)
+    SVG.prepare()
+}, false)
+
+// Storage for regular expressions
+SVG.regex = {
+  // Parse unit value
+  numberAndUnit:    /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i
+
+  // Parse hex value
+, hex:              /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i
+
+  // Parse rgb value
+, rgb:              /rgb\((\d+),(\d+),(\d+)\)/
+
+  // Parse reference id
+, reference:        /#([a-z0-9\-_]+)/i
+
+  // splits a transformation chain
+, transforms:       /\)\s*,?\s*/
+
+  // Whitespace
+, whitespace:       /\s/g
+
+  // Test hex value
+, isHex:            /^#[a-f0-9]{3,6}$/i
+
+  // Test rgb value
+, isRgb:            /^rgb\(/
+
+  // Test css declaration
+, isCss:            /[^:]+:[^;]+;?/
+
+  // Test for blank string
+, isBlank:          /^(\s+)?$/
+
+  // Test for numeric string
+, isNumber:         /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i
+
+  // Test for percent value
+, isPercent:        /^-?[\d\.]+%$/
+
+  // Test for image url
+, isImage:          /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i
+
+  // split at whitespace and comma
+, delimiter:        /[\s,]+/
+
+  // The following regex are used to parse the d attribute of a path
+
+  // Matches all hyphens which are not after an exponent
+, hyphen:           /([^e])\-/gi
+
+  // Replaces and tests for all path letters
+, pathLetters:      /[MLHVCSQTAZ]/gi
+
+  // yes we need this one, too
+, isPathLetter:     /[MLHVCSQTAZ]/i
+
+  // matches 0.154.23.45
+, numbersWithDots:  /((\d?\.\d+(?:e[+-]?\d+)?)((?:\.\d+(?:e[+-]?\d+)?)+))+/gi
+
+  // matches .
+, dots:             /\./g
 }
-// Module for array conversion

-SVG.Array = function(array, fallback) {

-  array = (array || []).valueOf()

-

-  // if array is empty and fallback is provided, use fallback

-  if (array.length == 0 && fallback)

-    array = fallback.valueOf()

-

-  // parse array

-  this.value = this.parse(array)

-}

-

-SVG.extend(SVG.Array, {

-  // Make array morphable

-  morph: function(array) {

-    this.destination = this.parse(array)

-

-    // normalize length of arrays

-    if (this.value.length != this.destination.length) {

-      var lastValue       = this.value[this.value.length - 1]

-        , lastDestination = this.destination[this.destination.length - 1]

-

-      while(this.value.length > this.destination.length)

-        this.destination.push(lastDestination)

-      while(this.value.length < this.destination.length)

-        this.value.push(lastValue)

-    }

-

-    return this

-  }

-  // Clean up any duplicate points

-, settle: function() {

-    // find all unique values

-    for (var i = 0, il = this.value.length, seen = []; i < il; i++)

-      if (seen.indexOf(this.value[i]) == -1)

-        seen.push(this.value[i])

-

-    // set new value

-    return this.value = seen

-  }

-  // Get morphed array at given position

-, at: function(pos) {

-    // make sure a destination is defined

-    if (!this.destination) return this

-

-    // generate morphed array

-    for (var i = 0, il = this.value.length, array = []; i < il; i++)

-      array.push(this.value[i] + (this.destination[i] - this.value[i]) * pos)

-

-    return new SVG.Array(array)

-  }

-  // Convert array to string

-, toString: function() {

-    return this.value.join(' ')

-  }

-  // Real value

-, valueOf: function() {

-    return this.value

-  }

-  // Parse whitespace separated string

-, parse: function(array) {

-    array = array.valueOf()

-

-    // if already is an array, no need to parse it

-    if (Array.isArray(array)) return array

-

-    return this.split(array)

-  }

-  // Strip unnecessary whitespace

-, split: function(string) {

-    return string.trim().split(SVG.regex.delimiter).map(parseFloat)

-  }

-  // Reverse array

-, reverse: function() {

-    this.value.reverse()

-

-    return this

-  }

-, clone: function() {

-    var clone = new this.constructor()

-    clone.value = array_clone(this.value)

-    return clone

-  }

+
+SVG.utils = {
+  // Map function
+  map: function(array, block) {
+    var i
+      , il = array.length
+      , result = []
+
+    for (i = 0; i < il; i++)
+      result.push(block(array[i]))
+
+    return result
+  }
+
+  // Filter function
+, filter: function(array, block) {
+    var i
+      , il = array.length
+      , result = []
+
+    for (i = 0; i < il; i++)
+      if (block(array[i]))
+        result.push(array[i])
+
+    return result
+  }
+
+  // Degrees to radians
+, radians: function(d) {
+    return d % 360 * Math.PI / 180
+  }
+
+  // Radians to degrees
+, degrees: function(r) {
+    return r * 180 / Math.PI % 360
+  }
+
+, filterSVGElements: function(nodes) {
+    return this.filter( nodes, function(el) { return el instanceof window.SVGElement })
+  }
+
+}
+
+SVG.defaults = {
+  // Default attribute values
+  attrs: {
+    // fill and stroke
+    'fill-opacity':     1
+  , 'stroke-opacity':   1
+  , 'stroke-width':     0
+  , 'stroke-linejoin':  'miter'
+  , 'stroke-linecap':   'butt'
+  , fill:               '#000000'
+  , stroke:             '#000000'
+  , opacity:            1
+    // position
+  , x:                  0
+  , y:                  0
+  , cx:                 0
+  , cy:                 0
+    // size
+  , width:              0
+  , height:             0
+    // radius
+  , r:                  0
+  , rx:                 0
+  , ry:                 0
+    // gradient
+  , offset:             0
+  , 'stop-opacity':     1
+  , 'stop-color':       '#000000'
+    // text
+  , 'font-size':        16
+  , 'font-family':      'Helvetica, Arial, sans-serif'
+  , 'text-anchor':      'start'
+  }
+
+}
+// Module for color convertions
+SVG.Color = function(color) {
+  var match
+
+  // initialize defaults
+  this.r = 0
+  this.g = 0
+  this.b = 0
+
+  if(!color) return
+
+  // parse color
+  if (typeof color === 'string') {
+    if (SVG.regex.isRgb.test(color)) {
+      // get rgb values
+      match = SVG.regex.rgb.exec(color.replace(SVG.regex.whitespace,''))
+
+      // parse numeric values
+      this.r = parseInt(match[1])
+      this.g = parseInt(match[2])
+      this.b = parseInt(match[3])
+
+    } else if (SVG.regex.isHex.test(color)) {
+      // get hex values
+      match = SVG.regex.hex.exec(fullHex(color))
+
+      // parse numeric values
+      this.r = parseInt(match[1], 16)
+      this.g = parseInt(match[2], 16)
+      this.b = parseInt(match[3], 16)
+
+    }
+
+  } else if (typeof color === 'object') {
+    this.r = color.r
+    this.g = color.g
+    this.b = color.b
+
+  }
+
+}
+
+SVG.extend(SVG.Color, {
+  // Default to hex conversion
+  toString: function() {
+    return this.toHex()
+  }
+  // Build hex value
+, toHex: function() {
+    return '#'
+      + compToHex(this.r)
+      + compToHex(this.g)
+      + compToHex(this.b)
+  }
+  // Build rgb value
+, toRgb: function() {
+    return 'rgb(' + [this.r, this.g, this.b].join() + ')'
+  }
+  // Calculate true brightness
+, brightness: function() {
+    return (this.r / 255 * 0.30)
+         + (this.g / 255 * 0.59)
+         + (this.b / 255 * 0.11)
+  }
+  // Make color morphable
+, morph: function(color) {
+    this.destination = new SVG.Color(color)
+
+    return this
+  }
+  // Get morphed color at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // normalise pos
+    pos = pos < 0 ? 0 : pos > 1 ? 1 : pos
+
+    // generate morphed color
+    return new SVG.Color({
+      r: ~~(this.r + (this.destination.r - this.r) * pos)
+    , g: ~~(this.g + (this.destination.g - this.g) * pos)
+    , b: ~~(this.b + (this.destination.b - this.b) * pos)
+    })
+  }
+
 })
-// Poly points array

-SVG.PointArray = function(array, fallback) {

-  SVG.Array.call(this, array, fallback || [[0,0]])

-}

-

-// Inherit from SVG.Array

-SVG.PointArray.prototype = new SVG.Array

-SVG.PointArray.prototype.constructor = SVG.PointArray

-

-SVG.extend(SVG.PointArray, {

-  // Convert array to string

-  toString: function() {

-    // convert to a poly point string

-    for (var i = 0, il = this.value.length, array = []; i < il; i++)

-      array.push(this.value[i].join(','))

-

-    return array.join(' ')

-  }

-  // Convert array to line object

-, toLine: function() {

-    return {

-      x1: this.value[0][0]

-    , y1: this.value[0][1]

-    , x2: this.value[1][0]

-    , y2: this.value[1][1]

-    }

-  }

-  // Get morphed array at given position

-, at: function(pos) {

-    // make sure a destination is defined

-    if (!this.destination) return this

-

-    // generate morphed point string

-    for (var i = 0, il = this.value.length, array = []; i < il; i++)

-      array.push([

-        this.value[i][0] + (this.destination[i][0] - this.value[i][0]) * pos

-      , this.value[i][1] + (this.destination[i][1] - this.value[i][1]) * pos

-      ])

-

-    return new SVG.PointArray(array)

-  }

-  // Parse point string and flat array

-, parse: function(array) {

-    var points = []

-

-    array = array.valueOf()

-

-    // if it is an array

-    if (Array.isArray(array)) {

-      // and it is not flat, there is no need to parse it

-      if(Array.isArray(array[0])) {

-        return array

-      }

-    } else { // Else, it is considered as a string

-      // parse points

-      array = array.trim().split(SVG.regex.delimiter).map(parseFloat)

-    }

-

-    // validate points - https://svgwg.org/svg2-draft/shapes.html#DataTypePoints

-    // Odd number of coordinates is an error. In such cases, drop the last odd coordinate.

-    if (array.length % 2 !== 0) array.pop()

-

-    // wrap points in two-tuples and parse points as floats

-    for(var i = 0, len = array.length; i < len; i = i + 2)

-      points.push([ array[i], array[i+1] ])

-

-    return points

-  }

-  // Move point string

-, move: function(x, y) {

-    var box = this.bbox()

-

-    // get relative offset

-    x -= box.x

-    y -= box.y

-

-    // move every point

-    if (!isNaN(x) && !isNaN(y))

-      for (var i = this.value.length - 1; i >= 0; i--)

-        this.value[i] = [this.value[i][0] + x, this.value[i][1] + y]

-

-    return this

-  }

-  // Resize poly string

-, size: function(width, height) {

-    var i, box = this.bbox()

-

-    // recalculate position of all points according to new size

-    for (i = this.value.length - 1; i >= 0; i--) {

-      if(box.width) this.value[i][0] = ((this.value[i][0] - box.x) * width)  / box.width  + box.x

-      if(box.height) this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y

-    }

-

-    return this

-  }

-  // Get bounding box of points

-, bbox: function() {

-    SVG.parser.poly.setAttribute('points', this.toString())

-

-    return SVG.parser.poly.getBBox()

-  }

-})

-
-var pathHandlers = {

-  M: function(c, p, p0) {

-    p.x = p0.x = c[0]

-    p.y = p0.y = c[1]

-

-    return ['M', p.x, p.y]

-  },

-  L: function(c, p) {

-    p.x = c[0]

-    p.y = c[1]

-    return ['L', c[0], c[1]]

-  },

-  H: function(c, p) {

-    p.x = c[0]

-    return ['H', c[0]]

-  },

-  V: function(c, p) {

-    p.y = c[0]

-    return ['V', c[0]]

-  },

-  C: function(c, p) {

-    p.x = c[4]

-    p.y = c[5]

-    return ['C', c[0], c[1], c[2], c[3], c[4], c[5]]

-  },

-  S: function(c, p) {

-    p.x = c[2]

-    p.y = c[3]

-    return ['S', c[0], c[1], c[2], c[3]]

-  },

-  Q: function(c, p) {

-    p.x = c[2]

-    p.y = c[3]

-    return ['Q', c[0], c[1], c[2], c[3]]

-  },

-  T: function(c, p) {

-    p.x = c[0]

-    p.y = c[1]

-    return ['T', c[0], c[1]]

-  },

-  Z: function(c, p, p0) {

-    p.x = p0.x

-    p.y = p0.y

-    return ['Z']

-  },

-  A: function(c, p) {

-    p.x = c[5]

-    p.y = c[6]

-    return ['A', c[0], c[1], c[2], c[3], c[4], c[5], c[6]]

-  }

-}

-

-var mlhvqtcsa = 'mlhvqtcsaz'.split('')

-

-for(var i = 0, il = mlhvqtcsa.length; i < il; ++i){

-  pathHandlers[mlhvqtcsa[i]] = (function(i){

-    return function(c, p, p0) {

-      if(i == 'H') c[0] = c[0] + p.x

-      else if(i == 'V') c[0] = c[0] + p.y

-      else if(i == 'A'){

-        c[5] = c[5] + p.x,

-        c[6] = c[6] + p.y

-      }

-      else

-        for(var j = 0, jl = c.length; j < jl; ++j) {

-          c[j] = c[j] + (j%2 ? p.y : p.x)

-        }

-

-      return pathHandlers[i](c, p, p0)

-    }

-  })(mlhvqtcsa[i].toUpperCase())

-}

-

-// Path points array

-SVG.PathArray = function(array, fallback) {

-  SVG.Array.call(this, array, fallback || [['M', 0, 0]])

-}

-

-// Inherit from SVG.Array

-SVG.PathArray.prototype = new SVG.Array

-SVG.PathArray.prototype.constructor = SVG.PathArray

-

-SVG.extend(SVG.PathArray, {

-  // Convert array to string

-  toString: function() {

-    return arrayToString(this.value)

-  }

-  // Move path string

-, move: function(x, y) {

-    // get bounding box of current situation

-    var box = this.bbox()

-

-    // get relative offset

-    x -= box.x

-    y -= box.y

-

-    if (!isNaN(x) && !isNaN(y)) {

-      // move every point

-      for (var l, i = this.value.length - 1; i >= 0; i--) {

-        l = this.value[i][0]

-

-        if (l == 'M' || l == 'L' || l == 'T')  {

-          this.value[i][1] += x

-          this.value[i][2] += y

-

-        } else if (l == 'H')  {

-          this.value[i][1] += x

-

-        } else if (l == 'V')  {

-          this.value[i][1] += y

-

-        } else if (l == 'C' || l == 'S' || l == 'Q')  {

-          this.value[i][1] += x

-          this.value[i][2] += y

-          this.value[i][3] += x

-          this.value[i][4] += y

-

-          if (l == 'C')  {

-            this.value[i][5] += x

-            this.value[i][6] += y

-          }

-

-        } else if (l == 'A')  {

-          this.value[i][6] += x

-          this.value[i][7] += y

-        }

-

-      }

-    }

-

-    return this

-  }

-  // Resize path string

-, size: function(width, height) {

-    // get bounding box of current situation

-    var i, l, box = this.bbox()

-

-    // recalculate position of all points according to new size

-    for (i = this.value.length - 1; i >= 0; i--) {

-      l = this.value[i][0]

-

-      if (l == 'M' || l == 'L' || l == 'T')  {

-        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x

-        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y

-

-      } else if (l == 'H')  {

-        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x

-

-      } else if (l == 'V')  {

-        this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y

-

-      } else if (l == 'C' || l == 'S' || l == 'Q')  {

-        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x

-        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y

-        this.value[i][3] = ((this.value[i][3] - box.x) * width)  / box.width  + box.x

-        this.value[i][4] = ((this.value[i][4] - box.y) * height) / box.height + box.y

-

-        if (l == 'C')  {

-          this.value[i][5] = ((this.value[i][5] - box.x) * width)  / box.width  + box.x

-          this.value[i][6] = ((this.value[i][6] - box.y) * height) / box.height + box.y

-        }

-

-      } else if (l == 'A')  {

-        // resize radii

-        this.value[i][1] = (this.value[i][1] * width)  / box.width

-        this.value[i][2] = (this.value[i][2] * height) / box.height

-

-        // move position values

-        this.value[i][6] = ((this.value[i][6] - box.x) * width)  / box.width  + box.x

-        this.value[i][7] = ((this.value[i][7] - box.y) * height) / box.height + box.y

-      }

-

-    }

-

-    return this

-  }

-  // Test if the passed path array use the same path data commands as this path array

-, equalCommands: function(pathArray) {

-    var i, il, equalCommands

-

-    pathArray = new SVG.PathArray(pathArray)

-

-    equalCommands = this.value.length === pathArray.value.length

-    for(i = 0, il = this.value.length; equalCommands && i < il; i++) {

-      equalCommands = this.value[i][0] === pathArray.value[i][0]

-    }

-

-    return equalCommands

-  }

-  // Make path array morphable

-, morph: function(pathArray) {

-    pathArray = new SVG.PathArray(pathArray)

-

-    if(this.equalCommands(pathArray)) {

-      this.destination = pathArray

-    } else {

-      this.destination = null

-    }

-

-    return this

-  }

-  // Get morphed path array at given position

-, at: function(pos) {

-    // make sure a destination is defined

-    if (!this.destination) return this

-

-    var sourceArray = this.value

-      , destinationArray = this.destination.value

-      , array = [], pathArray = new SVG.PathArray()

-      , i, il, j, jl

-

-    // Animate has specified in the SVG spec

-    // See: https://www.w3.org/TR/SVG11/paths.html#PathElement

-    for (i = 0, il = sourceArray.length; i < il; i++) {

-      array[i] = [sourceArray[i][0]]

-      for(j = 1, jl = sourceArray[i].length; j < jl; j++) {

-        array[i][j] = sourceArray[i][j] + (destinationArray[i][j] - sourceArray[i][j]) * pos

-      }

-      // For the two flags of the elliptical arc command, the SVG spec say:

-      // Flags and booleans are interpolated as fractions between zero and one, with any non-zero value considered to be a value of one/true

-      // Elliptical arc command as an array followed by corresponding indexes:

-      // ['A', rx, ry, x-axis-rotation, large-arc-flag, sweep-flag, x, y]

-      //   0    1   2        3                 4             5      6  7

-      if(array[i][0] === 'A') {

-        array[i][4] = +(array[i][4] != 0)

-        array[i][5] = +(array[i][5] != 0)

-      }

-    }

-

-    // Directly modify the value of a path array, this is done this way for performance

-    pathArray.value = array

-    return pathArray

-  }

-  // Absolutize and parse path to array

-, parse: function(array) {

-    // if it's already a patharray, no need to parse it

-    if (array instanceof SVG.PathArray) return array.valueOf()

-

-    // prepare for parsing

-    var i, x0, y0, s, seg, arr

-      , x = 0

-      , y = 0

-      , paramCnt = { 'M':2, 'L':2, 'H':1, 'V':1, 'C':6, 'S':4, 'Q':4, 'T':2, 'A':7, 'Z':0 }

-

-    if(typeof array == 'string'){

-

-      array = array

-        .replace(SVG.regex.numbersWithDots, pathRegReplace) // convert 45.123.123 to 45.123 .123

-        .replace(SVG.regex.pathLetters, ' $& ') // put some room between letters and numbers

-        .replace(SVG.regex.hyphen, '$1 -')      // add space before hyphen

-        .trim()                                 // trim

-        .split(SVG.regex.delimiter)   // split into array

-

-    }else{

-      array = array.reduce(function(prev, curr){

-        return [].concat.call(prev, curr)

-      }, [])

-    }

-

-    // array now is an array containing all parts of a path e.g. ['M', '0', '0', 'L', '30', '30' ...]

-    var arr = []

-      , p = new SVG.Point()

-      , p0 = new SVG.Point()

-      , index = 0

-      , len = array.length

-

-    do{

-      // Test if we have a path letter

-      if(SVG.regex.isPathLetter.test(array[index])){

-        s = array[index]

-        ++index

-      // If last letter was a move command and we got no new, it defaults to [L]ine

-      }else if(s == 'M'){

-        s = 'L'

-      }else if(s == 'm'){

-        s = 'l'

-      }

-

-      arr.push(pathHandlers[s].call(null,

-          array.slice(index, (index = index + paramCnt[s.toUpperCase()])).map(parseFloat),

-          p, p0

-        )

-      )

-

-    }while(len > index)

-

-    return arr

-

-  }

-  // Get bounding box of path

-, bbox: function() {

-    SVG.parser.path.setAttribute('d', this.toString())

-

-    return SVG.parser.path.getBBox()

-  }

-

-})

-
-// Module for unit convertions

-SVG.Number = SVG.invent({

-  // Initialize

-  create: function(value, unit) {

-    // initialize defaults

-    this.value = 0

-    this.unit  = unit || ''

-

-    // parse value

-    if (typeof value === 'number') {

-      // ensure a valid numeric value

-      this.value = isNaN(value) ? 0 : !isFinite(value) ? (value < 0 ? -3.4e+38 : +3.4e+38) : value

-

-    } else if (typeof value === 'string') {

-      unit = value.match(SVG.regex.numberAndUnit)

-

-      if (unit) {

-        // make value numeric

-        this.value = parseFloat(unit[1])

-

-        // normalize

-        if (unit[5] == '%')

-          this.value /= 100

-        else if (unit[5] == 's')

-          this.value *= 1000

-

-        // store unit

-        this.unit = unit[5]

-      }

-

-    } else {

-      if (value instanceof SVG.Number) {

-        this.value = value.valueOf()

-        this.unit  = value.unit

-      }

-    }

-

-  }

-  // Add methods

-, extend: {

-    // Stringalize

-    toString: function() {

-      return (

-        this.unit == '%' ?

-          ~~(this.value * 1e8) / 1e6:

-        this.unit == 's' ?

-          this.value / 1e3 :

-          this.value

-      ) + this.unit

-    }

-  , toJSON: function() {

-      return this.toString()

-    }

-  , // Convert to primitive

-    valueOf: function() {

-      return this.value

-    }

-    // Add number

-  , plus: function(number) {

-      number = new SVG.Number(number)

-      return new SVG.Number(this + number, this.unit || number.unit)

-    }

-    // Subtract number

-  , minus: function(number) {

-      number = new SVG.Number(number)

-      return new SVG.Number(this - number, this.unit || number.unit)

-    }

-    // Multiply number

-  , times: function(number) {

-      number = new SVG.Number(number)

-      return new SVG.Number(this * number, this.unit || number.unit)

-    }

-    // Divide number

-  , divide: function(number) {

-      number = new SVG.Number(number)

-      return new SVG.Number(this / number, this.unit || number.unit)

-    }

-    // Convert to different unit

-  , to: function(unit) {

-      var number = new SVG.Number(this)

-

-      if (typeof unit === 'string')

-        number.unit = unit

-

-      return number

-    }

-    // Make number morphable

-  , morph: function(number) {

-      this.destination = new SVG.Number(number)

-

-      if(number.relative) {

-        this.destination.value += this.value

-      }

-

-      return this

-    }

-    // Get morphed number at given position

-  , at: function(pos) {

-      // Make sure a destination is defined

-      if (!this.destination) return this

-

-      // Generate new morphed number

-      return new SVG.Number(this.destination)

-          .minus(this)

-          .times(pos)

-          .plus(this)

-    }

-

-  }

-})

-
-

-SVG.Element = SVG.invent({

-  // Initialize node

-  create: function(node) {

-    // make stroke value accessible dynamically

-    this._stroke = SVG.defaults.attrs.stroke

-    this._event = null

-

-    // initialize data object

-    this.dom = {}

-

-    // create circular reference

-    if (this.node = node) {

-      this.type = node.nodeName

-      this.node.instance = this

-

-      // store current attribute value

-      this._stroke = node.getAttribute('stroke') || this._stroke

-    }

-  }

-

-  // Add class methods

-, extend: {

-    // Move over x-axis

-    x: function(x) {

-      return this.attr('x', x)

-    }

-    // Move over y-axis

-  , y: function(y) {

-      return this.attr('y', y)

-    }

-    // Move by center over x-axis

-  , cx: function(x) {

-      return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2)

-    }

-    // Move by center over y-axis

-  , cy: function(y) {

-      return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2)

-    }

-    // Move element to given x and y values

-  , move: function(x, y) {

-      return this.x(x).y(y)

-    }

-    // Move element by its center

-  , center: function(x, y) {

-      return this.cx(x).cy(y)

-    }

-    // Set width of element

-  , width: function(width) {

-      return this.attr('width', width)

-    }

-    // Set height of element

-  , height: function(height) {

-      return this.attr('height', height)

-    }

-    // Set element size to given width and height

-  , size: function(width, height) {

-      var p = proportionalSize(this, width, height)

-

-      return this

-        .width(new SVG.Number(p.width))

-        .height(new SVG.Number(p.height))

-    }

-    // Clone element

-  , clone: function(parent, withData) {

-      // write dom data to the dom so the clone can pickup the data

-      this.writeDataToDom()

-

-      // clone element and assign new id

-      var clone = assignNewId(this.node.cloneNode(true))

-

-      // insert the clone in the given parent or after myself

-      if(parent) parent.add(clone)

-      else this.after(clone)

-

-      return clone

-    }

-    // Remove element

-  , remove: function() {

-      if (this.parent())

-        this.parent().removeElement(this)

-

-      return this

-    }

-    // Replace element

-  , replace: function(element) {

-      this.after(element).remove()

-

-      return element

-    }

-    // Add element to given container and return self

-  , addTo: function(parent) {

-      return parent.put(this)

-    }

-    // Add element to given container and return container

-  , putIn: function(parent) {

-      return parent.add(this)

-    }

-    // Get / set id

-  , id: function(id) {

-      return this.attr('id', id)

-    }

-    // Checks whether the given point inside the bounding box of the element

-  , inside: function(x, y) {

-      var box = this.bbox()

-

-      return x > box.x

-          && y > box.y

-          && x < box.x + box.width

-          && y < box.y + box.height

-    }

-    // Show element

-  , show: function() {

-      return this.style('display', '')

-    }

-    // Hide element

-  , hide: function() {

-      return this.style('display', 'none')

-    }

-    // Is element visible?

-  , visible: function() {

-      return this.style('display') != 'none'

-    }

-    // Return id on string conversion

-  , toString: function() {

-      return this.attr('id')

-    }

-    // Return array of classes on the node

-  , classes: function() {

-      var attr = this.attr('class')

-

-      return attr == null ? [] : attr.trim().split(SVG.regex.delimiter)

-    }

-    // Return true if class exists on the node, false otherwise

-  , hasClass: function(name) {

-      return this.classes().indexOf(name) != -1

-    }

-    // Add class to the node

-  , addClass: function(name) {

-      if (!this.hasClass(name)) {

-        var array = this.classes()

-        array.push(name)

-        this.attr('class', array.join(' '))

-      }

-

-      return this

-    }

-    // Remove class from the node

-  , removeClass: function(name) {

-      if (this.hasClass(name)) {

-        this.attr('class', this.classes().filter(function(c) {

-          return c != name

-        }).join(' '))

-      }

-

-      return this

-    }

-    // Toggle the presence of a class on the node

-  , toggleClass: function(name) {

-      return this.hasClass(name) ? this.removeClass(name) : this.addClass(name)

-    }

-    // Get referenced element form attribute value

-  , reference: function(attr) {

-      return SVG.get(this.attr(attr))

-    }

-    // Returns the parent element instance

-  , parent: function(type) {

-      var parent = this

-

-      // check for parent

-      if(!parent.node.parentNode) return null

-

-      // get parent element

-      parent = SVG.adopt(parent.node.parentNode)

-

-      if(!type) return parent

-

-      // loop trough ancestors if type is given

-      while(parent && parent.node instanceof window.SVGElement){

-        if(typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent

-        if(parent.node.parentNode.nodeName == '#document') return null // #720

-        parent = SVG.adopt(parent.node.parentNode)

-      }

-    }

-    // Get parent document

-  , doc: function() {

-      return this instanceof SVG.Doc ? this : this.parent(SVG.Doc)

-    }

-    // return array of all ancestors of given type up to the root svg

-  , parents: function(type) {

-      var parents = [], parent = this

-

-      do{

-        parent = parent.parent(type)

-        if(!parent || !parent.node) break

-

-        parents.push(parent)

-      } while(parent.parent)

-

-      return parents

-    }

-    // matches the element vs a css selector

-  , matches: function(selector){

-      return matches(this.node, selector)

-    }

-    // Returns the svg node to call native svg methods on it

-  , native: function() {

-      return this.node

-    }

-    // Import raw svg

-  , svg: function(svg) {

-      // create temporary holder

-      var well = document.createElement('svg')

-

-      // act as a setter if svg is given

-      if (svg && this instanceof SVG.Parent) {

-        // dump raw svg

-        well.innerHTML = '<svg>' + svg.replace(/\n/, '').replace(/<(\w+)([^<]+?)\/>/g, '<$1$2></$1>') + '</svg>'

-

-        // transplant nodes

-        for (var i = 0, il = well.firstChild.childNodes.length; i < il; i++)

-          this.node.appendChild(well.firstChild.firstChild)

-

-      // otherwise act as a getter

-      } else {

-        // create a wrapping svg element in case of partial content

-        well.appendChild(svg = document.createElement('svg'))

-

-        // write svgjs data to the dom

-        this.writeDataToDom()

-

-        // insert a copy of this node

-        svg.appendChild(this.node.cloneNode(true))

-

-        // return target element

-        return well.innerHTML.replace(/^<svg>/, '').replace(/<\/svg>$/, '')

-      }

-

-      return this

-    }

-  // write svgjs data to the dom

-  , writeDataToDom: function() {

-

-      // dump variables recursively

-      if(this.each || this.lines){

-        var fn = this.each ? this : this.lines();

-        fn.each(function(){

-          this.writeDataToDom()

-        })

-      }

-

-      // remove previously set data

-      this.node.removeAttribute('svgjs:data')

-

-      if(Object.keys(this.dom).length)

-        this.node.setAttribute('svgjs:data', JSON.stringify(this.dom)) // see #428

-

-      return this

-    }

-  // set given data to the elements data property

-  , setData: function(o){

-      this.dom = o

-      return this

-    }

-  , is: function(obj){

-      return is(this, obj)

-    }

-  }

-})

-
-SVG.easing = {

-  '-': function(pos){return pos}

-, '<>':function(pos){return -Math.cos(pos * Math.PI) / 2 + 0.5}

-, '>': function(pos){return  Math.sin(pos * Math.PI / 2)}

-, '<': function(pos){return -Math.cos(pos * Math.PI / 2) + 1}

-}

-

-SVG.morph = function(pos){

-  return function(from, to) {

-    return new SVG.MorphObj(from, to).at(pos)

-  }

-}

-

-SVG.Situation = SVG.invent({

-

-  create: function(o){

-    this.init = false

-    this.reversed = false

-    this.reversing = false

-

-    this.duration = new SVG.Number(o.duration).valueOf()

-    this.delay = new SVG.Number(o.delay).valueOf()

-

-    this.start = +new Date() + this.delay

-    this.finish = this.start + this.duration

-    this.ease = o.ease

-

-    // this.loop is incremented from 0 to this.loops

-    // it is also incremented when in an infinite loop (when this.loops is true)

-    this.loop = 0

-    this.loops = false

-

-    this.animations = {

-      // functionToCall: [list of morphable objects]

-      // e.g. move: [SVG.Number, SVG.Number]

-    }

-

-    this.attrs = {

-      // holds all attributes which are not represented from a function svg.js provides

-      // e.g. someAttr: SVG.Number

-    }

-

-    this.styles = {

-      // holds all styles which should be animated

-      // e.g. fill-color: SVG.Color

-    }

-

-    this.transforms = [

-      // holds all transformations as transformation objects

-      // e.g. [SVG.Rotate, SVG.Translate, SVG.Matrix]

-    ]

-

-    this.once = {

-      // functions to fire at a specific position

-      // e.g. "0.5": function foo(){}

-    }

-

-  }

-

-})

-

-

-SVG.FX = SVG.invent({

-

-  create: function(element) {

-    this._target = element

-    this.situations = []

-    this.active = false

-    this.situation = null

-    this.paused = false

-    this.lastPos = 0

-    this.pos = 0

-    // The absolute position of an animation is its position in the context of its complete duration (including delay and loops)

-    // When performing a delay, absPos is below 0 and when performing a loop, its value is above 1

-    this.absPos = 0

-    this._speed = 1

-  }

-

-, extend: {

-

-    /**

-     * sets or returns the target of this animation

-     * @param o object || number In case of Object it holds all parameters. In case of number its the duration of the animation

-     * @param ease function || string Function which should be used for easing or easing keyword

-     * @param delay Number indicating the delay before the animation starts

-     * @return target || this

-     */

-    animate: function(o, ease, delay){

-

-      if(typeof o == 'object'){

-        ease = o.ease

-        delay = o.delay

-        o = o.duration

-      }

-

-      var situation = new SVG.Situation({

-        duration: o || 1000,

-        delay: delay || 0,

-        ease: SVG.easing[ease || '-'] || ease

-      })

-

-      this.queue(situation)

-

-      return this

-    }

-

-    /**

-     * sets a delay before the next element of the queue is called

-     * @param delay Duration of delay in milliseconds

-     * @return this.target()

-     */

-  , delay: function(delay){

-      // The delay is performed by an empty situation with its duration

-      // attribute set to the duration of the delay

-      var situation = new SVG.Situation({

-        duration: delay,

-        delay: 0,

-        ease: SVG.easing['-']

-      })

-

-      return this.queue(situation)

-    }

-

-    /**

-     * sets or returns the target of this animation

-     * @param null || target SVG.Element which should be set as new target

-     * @return target || this

-     */

-  , target: function(target){

-      if(target && target instanceof SVG.Element){

-        this._target = target

-        return this

-      }

-

-      return this._target

-    }

-

-    // returns the absolute position at a given time

-  , timeToAbsPos: function(timestamp){

-      return (timestamp - this.situation.start) / (this.situation.duration/this._speed)

-    }

-

-    // returns the timestamp from a given absolute positon

-  , absPosToTime: function(absPos){

-      return this.situation.duration/this._speed * absPos + this.situation.start

-    }

-

-    // starts the animationloop

-  , startAnimFrame: function(){

-      this.stopAnimFrame()

-      this.animationFrame = window.requestAnimationFrame(function(){ this.step() }.bind(this))

-    }

-

-    // cancels the animationframe

-  , stopAnimFrame: function(){

-      window.cancelAnimationFrame(this.animationFrame)

-    }

-

-    // kicks off the animation - only does something when the queue is currently not active and at least one situation is set

-  , start: function(){

-      // dont start if already started

-      if(!this.active && this.situation){

-        this.active = true

-        this.startCurrent()

-      }

-

-      return this

-    }

-

-    // start the current situation

-  , startCurrent: function(){

-      this.situation.start = +new Date + this.situation.delay/this._speed

-      this.situation.finish = this.situation.start + this.situation.duration/this._speed

-      return this.initAnimations().step()

-    }

-

-    /**

-     * adds a function / Situation to the animation queue

-     * @param fn function / situation to add

-     * @return this

-     */

-  , queue: function(fn){

-      if(typeof fn == 'function' || fn instanceof SVG.Situation)

-        this.situations.push(fn)

-

-      if(!this.situation) this.situation = this.situations.shift()

-

-      return this

-    }

-

-    /**

-     * pulls next element from the queue and execute it

-     * @return this

-     */

-  , dequeue: function(){

-      // stop current animation

-      this.stop()

-

-      // get next animation from queue

-      this.situation = this.situations.shift()

-

-      if(this.situation){

-        if(this.situation instanceof SVG.Situation) {

-          this.start()

-        } else {

-          // If it is not a SVG.Situation, then it is a function, we execute it

-          this.situation.call(this)

-        }

-      }

-

-      return this

-    }

-

-    // updates all animations to the current state of the element

-    // this is important when one property could be changed from another property

-  , initAnimations: function() {

-      var i, j, source

-      var s = this.situation

-

-      if(s.init) return this

-

-      for(i in s.animations){

-        source = this.target()[i]()

-

-        if(!Array.isArray(source)) {

-          source = [source]

-        }

-

-        if(!Array.isArray(s.animations[i])) {

-          s.animations[i] = [s.animations[i]]

-        }

-

-        //if(s.animations[i].length > source.length) {

-        //  source.concat = source.concat(s.animations[i].slice(source.length, s.animations[i].length))

-        //}

-

-        for(j = source.length; j--;) {

-          // The condition is because some methods return a normal number instead

-          // of a SVG.Number

-          if(s.animations[i][j] instanceof SVG.Number)

-            source[j] = new SVG.Number(source[j])

-

-          s.animations[i][j] = source[j].morph(s.animations[i][j])

-        }

-      }

-

-      for(i in s.attrs){

-        s.attrs[i] = new SVG.MorphObj(this.target().attr(i), s.attrs[i])

-      }

-

-      for(i in s.styles){

-        s.styles[i] = new SVG.MorphObj(this.target().style(i), s.styles[i])

-      }

-

-      s.initialTransformation = this.target().matrixify()

-

-      s.init = true

-      return this

-    }

-  , clearQueue: function(){

-      this.situations = []

-      return this

-    }

-  , clearCurrent: function(){

-      this.situation = null

-      return this

-    }

-    /** stops the animation immediately

-     * @param jumpToEnd A Boolean indicating whether to complete the current animation immediately.

-     * @param clearQueue A Boolean indicating whether to remove queued animation as well.

-     * @return this

-     */

-  , stop: function(jumpToEnd, clearQueue){

-      var active = this.active

-      this.active = false

-

-      if(clearQueue){

-        this.clearQueue()

-      }

-

-      if(jumpToEnd && this.situation){

-        // initialize the situation if it was not

-        !active && this.startCurrent()

-        this.atEnd()

-      }

-

-      this.stopAnimFrame()

-

-      return this.clearCurrent()

-    }

-

-    /** resets the element to the state where the current element has started

-     * @return this

-     */

-  , reset: function(){

-      if(this.situation){

-        var temp = this.situation

-        this.stop()

-        this.situation = temp

-        this.atStart()

-      }

-      return this

-    }

-

-    // Stop the currently-running animation, remove all queued animations, and complete all animations for the element.

-  , finish: function(){

-

-      this.stop(true, false)

-

-      while(this.dequeue().situation && this.stop(true, false));

-

-      this.clearQueue().clearCurrent()

-

-      return this

-    }

-

-    // set the internal animation pointer at the start position, before any loops, and updates the visualisation

-  , atStart: function() {

-      return this.at(0, true)

-    }

-

-    // set the internal animation pointer at the end position, after all the loops, and updates the visualisation

-  , atEnd: function() {

-      if (this.situation.loops === true) {

-        // If in a infinite loop, we end the current iteration

-        this.situation.loops = this.situation.loop + 1

-      }

-

-      if(typeof this.situation.loops == 'number') {

-        // If performing a finite number of loops, we go after all the loops

-        return this.at(this.situation.loops, true)

-      } else {

-        // If no loops, we just go at the end

-        return this.at(1, true)

-      }

-    }

-

-    // set the internal animation pointer to the specified position and updates the visualisation

-    // if isAbsPos is true, pos is treated as an absolute position

-  , at: function(pos, isAbsPos){

-      var durDivSpd = this.situation.duration/this._speed

-

-      this.absPos = pos

-      // If pos is not an absolute position, we convert it into one

-      if (!isAbsPos) {

-        if (this.situation.reversed) this.absPos = 1 - this.absPos

-        this.absPos += this.situation.loop

-      }

-

-      this.situation.start = +new Date - this.absPos * durDivSpd

-      this.situation.finish = this.situation.start + durDivSpd

-

-      return this.step(true)

-    }

-

-    /**

-     * sets or returns the speed of the animations

-     * @param speed null || Number The new speed of the animations

-     * @return Number || this

-     */

-  , speed: function(speed){

-      if (speed === 0) return this.pause()

-

-      if (speed) {

-        this._speed = speed

-        // We use an absolute position here so that speed can affect the delay before the animation

-        return this.at(this.absPos, true)

-      } else return this._speed

-    }

-

-    // Make loopable

-  , loop: function(times, reverse) {

-      var c = this.last()

-

-      // store total loops

-      c.loops = (times != null) ? times : true

-      c.loop = 0

-

-      if(reverse) c.reversing = true

-      return this

-    }

-

-    // pauses the animation

-  , pause: function(){

-      this.paused = true

-      this.stopAnimFrame()

-

-      return this

-    }

-

-    // unpause the animation

-  , play: function(){

-      if(!this.paused) return this

-      this.paused = false

-      // We use an absolute position here so that the delay before the animation can be paused

-      return this.at(this.absPos, true)

-    }

-

-    /**

-     * toggle or set the direction of the animation

-     * true sets direction to backwards while false sets it to forwards

-     * @param reversed Boolean indicating whether to reverse the animation or not (default: toggle the reverse status)

-     * @return this

-     */

-  , reverse: function(reversed){

-      var c = this.last()

-

-      if(typeof reversed == 'undefined') c.reversed = !c.reversed

-      else c.reversed = reversed

-

-      return this

-    }

-

-

-    /**

-     * returns a float from 0-1 indicating the progress of the current animation

-     * @param eased Boolean indicating whether the returned position should be eased or not

-     * @return number

-     */

-  , progress: function(easeIt){

-      return easeIt ? this.situation.ease(this.pos) : this.pos

-    }

-

-    /**

-     * adds a callback function which is called when the current animation is finished

-     * @param fn Function which should be executed as callback

-     * @return number

-     */

-  , after: function(fn){

-      var c = this.last()

-        , wrapper = function wrapper(e){

-            if(e.detail.situation == c){

-              fn.call(this, c)

-              this.off('finished.fx', wrapper) // prevent memory leak

-            }

-          }

-

-      this.target().on('finished.fx', wrapper)

-

-      return this._callStart()

-    }

-

-    // adds a callback which is called whenever one animation step is performed

-  , during: function(fn){

-      var c = this.last()

-        , wrapper = function(e){

-            if(e.detail.situation == c){

-              fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, c)

-            }

-          }

-

-      // see above

-      this.target().off('during.fx', wrapper).on('during.fx', wrapper)

-

-      this.after(function(){

-        this.off('during.fx', wrapper)

-      })

-

-      return this._callStart()

-    }

-

-    // calls after ALL animations in the queue are finished

-  , afterAll: function(fn){

-      var wrapper = function wrapper(e){

-            fn.call(this)

-            this.off('allfinished.fx', wrapper)

-          }

-

-      // see above

-      this.target().off('allfinished.fx', wrapper).on('allfinished.fx', wrapper)

-

-      return this._callStart()

-    }

-

-    // calls on every animation step for all animations

-  , duringAll: function(fn){

-      var wrapper = function(e){

-            fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, e.detail.situation)

-          }

-

-      this.target().off('during.fx', wrapper).on('during.fx', wrapper)

-

-      this.afterAll(function(){

-        this.off('during.fx', wrapper)

-      })

-

-      return this._callStart()

-    }

-

-  , last: function(){

-      return this.situations.length ? this.situations[this.situations.length-1] : this.situation

-    }

-

-    // adds one property to the animations

-  , add: function(method, args, type){

-      this.last()[type || 'animations'][method] = args

-      return this._callStart()

-    }

-

-    /** perform one step of the animation

-     *  @param ignoreTime Boolean indicating whether to ignore time and use position directly or recalculate position based on time

-     *  @return this

-     */

-  , step: function(ignoreTime){

-

-      // convert current time to an absolute position

-      if(!ignoreTime) this.absPos = this.timeToAbsPos(+new Date)

-

-      // This part convert an absolute position to a position

-      if(this.situation.loops !== false) {

-        var absPos, absPosInt, lastLoop

-

-        // If the absolute position is below 0, we just treat it as if it was 0

-        absPos = Math.max(this.absPos, 0)

-        absPosInt = Math.floor(absPos)

-

-        if(this.situation.loops === true || absPosInt < this.situation.loops) {

-          this.pos = absPos - absPosInt

-          lastLoop = this.situation.loop

-          this.situation.loop = absPosInt

-        } else {

-          this.absPos = this.situation.loops

-          this.pos = 1

-          // The -1 here is because we don't want to toggle reversed when all the loops have been completed

-          lastLoop = this.situation.loop - 1

-          this.situation.loop = this.situation.loops

-        }

-

-        if(this.situation.reversing) {

-          // Toggle reversed if an odd number of loops as occured since the last call of step

-          this.situation.reversed = this.situation.reversed != Boolean((this.situation.loop - lastLoop) % 2)

-        }

-

-      } else {

-        // If there are no loop, the absolute position must not be above 1

-        this.absPos = Math.min(this.absPos, 1)

-        this.pos = this.absPos

-      }

-

-      // while the absolute position can be below 0, the position must not be below 0

-      if(this.pos < 0) this.pos = 0

-

-      if(this.situation.reversed) this.pos = 1 - this.pos

-

-

-      // apply easing

-      var eased = this.situation.ease(this.pos)

-

-      // call once-callbacks

-      for(var i in this.situation.once){

-        if(i > this.lastPos && i <= eased){

-          this.situation.once[i].call(this.target(), this.pos, eased)

-          delete this.situation.once[i]

-        }

-      }

-

-      // fire during callback with position, eased position and current situation as parameter

-      if(this.active) this.target().fire('during', {pos: this.pos, eased: eased, fx: this, situation: this.situation})

-

-      // the user may call stop or finish in the during callback

-      // so make sure that we still have a valid situation

-      if(!this.situation){

-        return this

-      }

-

-      // apply the actual animation to every property

-      this.eachAt()

-

-      // do final code when situation is finished

-      if((this.pos == 1 && !this.situation.reversed) || (this.situation.reversed && this.pos == 0)){

-

-        // stop animation callback

-        this.stopAnimFrame()

-

-        // fire finished callback with current situation as parameter

-        this.target().fire('finished', {fx:this, situation: this.situation})

-

-        if(!this.situations.length){

-          this.target().fire('allfinished')

-

-          // Recheck the length since the user may call animate in the afterAll callback

-          if(!this.situations.length){

-            this.target().off('.fx') // there shouldnt be any binding left, but to make sure...

-            this.active = false

-          }

-        }

-

-        // start next animation

-        if(this.active) this.dequeue()

-        else this.clearCurrent()

-

-      }else if(!this.paused && this.active){

-        // we continue animating when we are not at the end

-        this.startAnimFrame()

-      }

-

-      // save last eased position for once callback triggering

-      this.lastPos = eased

-      return this

-

-    }

-

-    // calculates the step for every property and calls block with it

-  , eachAt: function(){

-      var i, len, at, self = this, target = this.target(), s = this.situation

-

-      // apply animations which can be called trough a method

-      for(i in s.animations){

-

-        at = [].concat(s.animations[i]).map(function(el){

-          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el

-        })

-

-        target[i].apply(target, at)

-

-      }

-

-      // apply animation which has to be applied with attr()

-      for(i in s.attrs){

-

-        at = [i].concat(s.attrs[i]).map(function(el){

-          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el

-        })

-

-        target.attr.apply(target, at)

-

-      }

-

-      // apply animation which has to be applied with style()

-      for(i in s.styles){

-

-        at = [i].concat(s.styles[i]).map(function(el){

-          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el

-        })

-

-        target.style.apply(target, at)

-

-      }

-

-      // animate initialTransformation which has to be chained

-      if(s.transforms.length){

-

-        // get initial initialTransformation

-        at = s.initialTransformation

-        for(i = 0, len = s.transforms.length; i < len; i++){

-

-          // get next transformation in chain

-          var a = s.transforms[i]

-

-          // multiply matrix directly

-          if(a instanceof SVG.Matrix){

-

-            if(a.relative){

-              at = at.multiply(new SVG.Matrix().morph(a).at(s.ease(this.pos)))

-            }else{

-              at = at.morph(a).at(s.ease(this.pos))

-            }

-            continue

-          }

-

-          // when transformation is absolute we have to reset the needed transformation first

-          if(!a.relative)

-            a.undo(at.extract())

-

-          // and reapply it after

-          at = at.multiply(a.at(s.ease(this.pos)))

-

-        }

-

-        // set new matrix on element

-        target.matrix(at)

-      }

-

-      return this

-

-    }

-

-

-    // adds an once-callback which is called at a specific position and never again

-  , once: function(pos, fn, isEased){

-      var c = this.last()

-      if(!isEased) pos = c.ease(pos)

-

-      c.once[pos] = fn

-

-      return this

-    }

-

-  , _callStart: function() {

-      setTimeout(function(){this.start()}.bind(this), 0)

-      return this

-    }

-

-  }

-

-, parent: SVG.Element

-

-  // Add method to parent elements

-, construct: {

-    // Get fx module or create a new one, then animate with given duration and ease

-    animate: function(o, ease, delay) {

-      return (this.fx || (this.fx = new SVG.FX(this))).animate(o, ease, delay)

-    }

-  , delay: function(delay){

-      return (this.fx || (this.fx = new SVG.FX(this))).delay(delay)

-    }

-  , stop: function(jumpToEnd, clearQueue) {

-      if (this.fx)

-        this.fx.stop(jumpToEnd, clearQueue)

-

-      return this

-    }

-  , finish: function() {

-      if (this.fx)

-        this.fx.finish()

-

-      return this

-    }

-    // Pause current animation

-  , pause: function() {

-      if (this.fx)

-        this.fx.pause()

-

-      return this

-    }

-    // Play paused current animation

-  , play: function() {

-      if (this.fx)

-        this.fx.play()

-

-      return this

-    }

-    // Set/Get the speed of the animations

-  , speed: function(speed) {

-      if (this.fx)

-        if (speed == null)

-          return this.fx.speed()

-        else

-          this.fx.speed(speed)

-

-      return this

-    }

-  }

-

-})

-

-// MorphObj is used whenever no morphable object is given

-SVG.MorphObj = SVG.invent({

-

-  create: function(from, to){

-    // prepare color for morphing

-    if(SVG.Color.isColor(to)) return new SVG.Color(from).morph(to)

-    // prepare value list for morphing

-    if(SVG.regex.delimiter.test(from)) return new SVG.Array(from).morph(to)

-    // prepare number for morphing

-    if(SVG.regex.numberAndUnit.test(to)) return new SVG.Number(from).morph(to)

-

-    // prepare for plain morphing

-    this.value = from

-    this.destination = to

-  }

-

-, extend: {

-    at: function(pos, real){

-      return real < 1 ? this.value : this.destination

-    },

-

-    valueOf: function(){

-      return this.value

-    }

-  }

-

-})

-

-SVG.extend(SVG.FX, {

-  // Add animatable attributes

-  attr: function(a, v, relative) {

-    // apply attributes individually

-    if (typeof a == 'object') {

-      for (var key in a)

-        this.attr(key, a[key])

-

-    } else {

-      this.add(a, v, 'attrs')

-    }

-

-    return this

-  }

-  // Add animatable styles

-, style: function(s, v) {

-    if (typeof s == 'object')

-      for (var key in s)

-        this.style(key, s[key])

-

-    else

-      this.add(s, v, 'styles')

-

-    return this

-  }

-  // Animatable x-axis

-, x: function(x, relative) {

-    if(this.target() instanceof SVG.G){

-      this.transform({x:x}, relative)

-      return this

-    }

-

-    var num = new SVG.Number(x)

-    num.relative = relative

-    return this.add('x', num)

-  }

-  // Animatable y-axis

-, y: function(y, relative) {

-    if(this.target() instanceof SVG.G){

-      this.transform({y:y}, relative)

-      return this

-    }

-

-    var num = new SVG.Number(y)

-    num.relative = relative

-    return this.add('y', num)

-  }

-  // Animatable center x-axis

-, cx: function(x) {

-    return this.add('cx', new SVG.Number(x))

-  }

-  // Animatable center y-axis

-, cy: function(y) {

-    return this.add('cy', new SVG.Number(y))

-  }

-  // Add animatable move

-, move: function(x, y) {

-    return this.x(x).y(y)

-  }

-  // Add animatable center

-, center: function(x, y) {

-    return this.cx(x).cy(y)

-  }

-  // Add animatable size

-, size: function(width, height) {

-    if (this.target() instanceof SVG.Text) {

-      // animate font size for Text elements

-      this.attr('font-size', width)

-

-    } else {

-      // animate bbox based size for all other elements

-      var box

-

-      if(!width || !height){

-        box = this.target().bbox()

-      }

-

-      if(!width){

-        width = box.width / box.height  * height

-      }

-

-      if(!height){

-        height = box.height / box.width  * width

-      }

-

-      this.add('width' , new SVG.Number(width))

-          .add('height', new SVG.Number(height))

-

-    }

-

-    return this

-  }

-  // Add animatable width

-, width: function(width) {

-    return this.add('width', new SVG.Number(width))

-  }

-  // Add animatable height

-, height: function(height) {

-    return this.add('height', new SVG.Number(height))

-  }

-  // Add animatable plot

-, plot: function(a, b, c, d) {

-    // Lines can be plotted with 4 arguments

-    if(arguments.length == 4) {

-      return this.plot([a, b, c, d])

-    }

-

-    return this.add('plot', new (this.target().morphArray)(a))

-  }

-  // Add leading method

-, leading: function(value) {

-    return this.target().leading ?

-      this.add('leading', new SVG.Number(value)) :

-      this

-  }

-  // Add animatable viewbox

-, viewbox: function(x, y, width, height) {

-    if (this.target() instanceof SVG.Container) {

-      this.add('viewbox', new SVG.ViewBox(x, y, width, height))

-    }

-

-    return this

-  }

-, update: function(o) {

-    if (this.target() instanceof SVG.Stop) {

-      if (typeof o == 'number' || o instanceof SVG.Number) {

-        return this.update({

-          offset:  arguments[0]

-        , color:   arguments[1]

-        , opacity: arguments[2]

-        })

-      }

-

-      if (o.opacity != null) this.attr('stop-opacity', o.opacity)

-      if (o.color   != null) this.attr('stop-color', o.color)

-      if (o.offset  != null) this.attr('offset', o.offset)

-    }

-

-    return this

-  }

-})

-
-SVG.Box = SVG.invent({

-  create: function(x, y, width, height) {

-    if (typeof x == 'object' && !(x instanceof SVG.Element)) {

-      // chromes getBoundingClientRect has no x and y property

-      return SVG.Box.call(this, x.left != null ? x.left : x.x , x.top != null ? x.top : x.y, x.width, x.height)

-    } else if (arguments.length == 4) {

-      this.x = x

-      this.y = y

-      this.width = width

-      this.height = height

-    }

-

-    // add center, right, bottom...

-    fullBox(this)

-  }

-, extend: {

-    // Merge rect box with another, return a new instance

-    merge: function(box) {

-      var b = new this.constructor()

-

-      // merge boxes

-      b.x      = Math.min(this.x, box.x)

-      b.y      = Math.min(this.y, box.y)

-      b.width  = Math.max(this.x + this.width,  box.x + box.width)  - b.x

-      b.height = Math.max(this.y + this.height, box.y + box.height) - b.y

-

-      return fullBox(b)

-    }

-

-  , transform: function(m) {

-      var xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, p, bbox

-

-      var pts = [

-        new SVG.Point(this.x, this.y),

-        new SVG.Point(this.x2, this.y),

-        new SVG.Point(this.x, this.y2),

-        new SVG.Point(this.x2, this.y2)

-      ]

-

-      pts.forEach(function(p) {

-        p = p.transform(m)

-        xMin = Math.min(xMin,p.x)

-        xMax = Math.max(xMax,p.x)

-        yMin = Math.min(yMin,p.y)

-        yMax = Math.max(yMax,p.y)

-      })

-

-      bbox = new this.constructor()

-      bbox.x = xMin

-      bbox.width = xMax-xMin

-      bbox.y = yMin

-      bbox.height = yMax-yMin

-

-      fullBox(bbox)

-

-      return bbox

-    }

-  }

-})

-

-SVG.BBox = SVG.invent({

-  // Initialize

-  create: function(element) {

-    SVG.Box.apply(this, [].slice.call(arguments))

-

-    // get values if element is given

-    if (element instanceof SVG.Element) {

-      var box

-

-      // yes this is ugly, but Firefox can be a pain when it comes to elements that are not yet rendered

-      try {

-

-        if (!document.documentElement.contains){

-          // This is IE - it does not support contains() for top-level SVGs

-          var topParent = element.node

-          while (topParent.parentNode){

-            topParent = topParent.parentNode

-          }

-          if (topParent != document) throw new Exception('Element not in the dom')

-        } else {

-          // the element is NOT in the dom, throw error

-          if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom')

-        }

-

-        // find native bbox

-        box = element.node.getBBox()

-      } catch(e) {

-        if(element instanceof SVG.Shape){

-          var clone = element.clone(SVG.parser.draw.instance).show()

-          box = clone.node.getBBox()

-          clone.remove()

-        }else{

-          box = {

-            x:      element.node.clientLeft

-          , y:      element.node.clientTop

-          , width:  element.node.clientWidth

-          , height: element.node.clientHeight

-          }

-        }

-      }

-

-      SVG.Box.call(this, box)

-    }

-

-  }

-

-  // Define ancestor

-, inherit: SVG.Box

-

-  // Define Parent

-, parent: SVG.Element

-

-  // Constructor

-, construct: {

-    // Get bounding box

-    bbox: function() {

-      return new SVG.BBox(this)

-    }

-  }

-

-})

-

-SVG.BBox.prototype.constructor = SVG.BBox

-

-

-SVG.extend(SVG.Element, {

-  tbox: function(){

-    console.warn('Use of TBox is deprecated and mapped to RBox. Use .rbox() instead.')

-    return this.rbox(this.doc())

-  }

-})

-

-SVG.RBox = SVG.invent({

-  // Initialize

-  create: function(element) {

-    SVG.Box.apply(this, [].slice.call(arguments))

-

-    if (element instanceof SVG.Element) {

-      SVG.Box.call(this, element.node.getBoundingClientRect())

-    }

-  }

-

-, inherit: SVG.Box

-

-  // define Parent

-, parent: SVG.Element

-

-, extend: {

-    addOffset: function() {

-      // offset by window scroll position, because getBoundingClientRect changes when window is scrolled

-      this.x += window.pageXOffset

-      this.y += window.pageYOffset

-      return this

-    }

-  }

-

-  // Constructor

-, construct: {

-    // Get rect box

-    rbox: function(el) {

-      if (el) return new SVG.RBox(this).transform(el.screenCTM().inverse())

-      return new SVG.RBox(this).addOffset()

-    }

-  }

-

-})

-

-SVG.RBox.prototype.constructor = SVG.RBox

-
-SVG.Matrix = SVG.invent({

-  // Initialize

-  create: function(source) {

-    var i, base = arrayToMatrix([1, 0, 0, 1, 0, 0])

-

-    // ensure source as object

-    source = source instanceof SVG.Element ?

-      source.matrixify() :

-    typeof source === 'string' ?

-      arrayToMatrix(source.split(SVG.regex.delimiter).map(parseFloat)) :

-    arguments.length == 6 ?

-      arrayToMatrix([].slice.call(arguments)) :

-    Array.isArray(source) ?

-      arrayToMatrix(source) :

-    typeof source === 'object' ?

-      source : base

-

-    // merge source

-    for (i = abcdef.length - 1; i >= 0; --i)

-      this[abcdef[i]] = source[abcdef[i]] != null ?

-        source[abcdef[i]] : base[abcdef[i]]

-  }

-

-  // Add methods

-, extend: {

-    // Extract individual transformations

-    extract: function() {

-      // find delta transform points

-      var px    = deltaTransformPoint(this, 0, 1)

-        , py    = deltaTransformPoint(this, 1, 0)

-        , skewX = 180 / Math.PI * Math.atan2(px.y, px.x) - 90

-

-      return {

-        // translation

-        x:        this.e

-      , y:        this.f

-      , transformedX:(this.e * Math.cos(skewX * Math.PI / 180) + this.f * Math.sin(skewX * Math.PI / 180)) / Math.sqrt(this.a * this.a + this.b * this.b)

-      , transformedY:(this.f * Math.cos(skewX * Math.PI / 180) + this.e * Math.sin(-skewX * Math.PI / 180)) / Math.sqrt(this.c * this.c + this.d * this.d)

-        // skew

-      , skewX:    -skewX

-      , skewY:    180 / Math.PI * Math.atan2(py.y, py.x)

-        // scale

-      , scaleX:   Math.sqrt(this.a * this.a + this.b * this.b)

-      , scaleY:   Math.sqrt(this.c * this.c + this.d * this.d)

-        // rotation

-      , rotation: skewX

-      , a: this.a

-      , b: this.b

-      , c: this.c

-      , d: this.d

-      , e: this.e

-      , f: this.f

-      , matrix: new SVG.Matrix(this)

-      }

-    }

-    // Clone matrix

-  , clone: function() {

-      return new SVG.Matrix(this)

-    }

-    // Morph one matrix into another

-  , morph: function(matrix) {

-      // store new destination

-      this.destination = new SVG.Matrix(matrix)

-

-      return this

-    }

-    // Get morphed matrix at a given position

-  , at: function(pos) {

-      // make sure a destination is defined

-      if (!this.destination) return this

-

-      // calculate morphed matrix at a given position

-      var matrix = new SVG.Matrix({

-        a: this.a + (this.destination.a - this.a) * pos

-      , b: this.b + (this.destination.b - this.b) * pos

-      , c: this.c + (this.destination.c - this.c) * pos

-      , d: this.d + (this.destination.d - this.d) * pos

-      , e: this.e + (this.destination.e - this.e) * pos

-      , f: this.f + (this.destination.f - this.f) * pos

-      })

-

-      return matrix

-    }

-    // Multiplies by given matrix

-  , multiply: function(matrix) {

-      return new SVG.Matrix(this.native().multiply(parseMatrix(matrix).native()))

-    }

-    // Inverses matrix

-  , inverse: function() {

-      return new SVG.Matrix(this.native().inverse())

-    }

-    // Translate matrix

-  , translate: function(x, y) {

-      return new SVG.Matrix(this.native().translate(x || 0, y || 0))

-    }

-    // Scale matrix

-  , scale: function(x, y, cx, cy) {

-      // support uniformal scale

-      if (arguments.length == 1) {

-        y = x

-      } else if (arguments.length == 3) {

-        cy = cx

-        cx = y

-        y = x

-      }

-

-      return this.around(cx, cy, new SVG.Matrix(x, 0, 0, y, 0, 0))

-    }

-    // Rotate matrix

-  , rotate: function(r, cx, cy) {

-      // convert degrees to radians

-      r = SVG.utils.radians(r)

-

-      return this.around(cx, cy, new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0))

-    }

-    // Flip matrix on x or y, at a given offset

-  , flip: function(a, o) {

-      return a == 'x' ?

-          this.scale(-1, 1, o, 0) :

-        a == 'y' ?

-          this.scale(1, -1, 0, o) :

-          this.scale(-1, -1, a, o != null ? o : a)

-    }

-    // Skew

-  , skew: function(x, y, cx, cy) {

-      // support uniformal skew

-      if (arguments.length == 1) {

-        y = x

-      } else if (arguments.length == 3) {

-        cy = cx

-        cx = y

-        y = x

-      }

-

-      // convert degrees to radians

-      x = SVG.utils.radians(x)

-      y = SVG.utils.radians(y)

-

-      return this.around(cx, cy, new SVG.Matrix(1, Math.tan(y), Math.tan(x), 1, 0, 0))

-    }

-    // SkewX

-  , skewX: function(x, cx, cy) {

-      return this.skew(x, 0, cx, cy)

-    }

-    // SkewY

-  , skewY: function(y, cx, cy) {

-      return this.skew(0, y, cx, cy)

-    }

-    // Transform around a center point

-  , around: function(cx, cy, matrix) {

-      return this

-        .multiply(new SVG.Matrix(1, 0, 0, 1, cx || 0, cy || 0))

-        .multiply(matrix)

-        .multiply(new SVG.Matrix(1, 0, 0, 1, -cx || 0, -cy || 0))

-    }

-    // Convert to native SVGMatrix

-  , native: function() {

-      // create new matrix

-      var matrix = SVG.parser.native.createSVGMatrix()

-

-      // update with current values

-      for (var i = abcdef.length - 1; i >= 0; i--)

-        matrix[abcdef[i]] = this[abcdef[i]]

-

-      return matrix

-    }

-    // Convert matrix to string

-  , toString: function() {

-      return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')'

-    }

-  }

-

-  // Define parent

-, parent: SVG.Element

-

-  // Add parent method

-, construct: {

-    // Get current matrix

-    ctm: function() {

-      return new SVG.Matrix(this.node.getCTM())

-    },

-    // Get current screen matrix

-    screenCTM: function() {

-      /* https://bugzilla.mozilla.org/show_bug.cgi?id=1344537

-         This is needed because FF does not return the transformation matrix

-         for the inner coordinate system when getScreenCTM() is called on nested svgs.

-         However all other Browsers do that */

-      if(this instanceof SVG.Nested) {

-        var rect = this.rect(1,1)

-        var m = rect.node.getScreenCTM()

-        rect.remove()

-        return new SVG.Matrix(m)

-      }

-      return new SVG.Matrix(this.node.getScreenCTM())

-    }

-

-  }

-

-})

-
-SVG.Point = SVG.invent({

-  // Initialize

-  create: function(x,y) {

-    var i, source, base = {x:0, y:0}

-

-    // ensure source as object

-    source = Array.isArray(x) ?

-      {x:x[0], y:x[1]} :

-    typeof x === 'object' ?

-      {x:x.x, y:x.y} :

-    x != null ?

-      {x:x, y:(y != null ? y : x)} : base // If y has no value, then x is used has its value

-

-    // merge source

-    this.x = source.x

-    this.y = source.y

-  }

-

-  // Add methods

-, extend: {

-    // Clone point

-    clone: function() {

-      return new SVG.Point(this)

-    }

-    // Morph one point into another

-  , morph: function(x, y) {

-      // store new destination

-      this.destination = new SVG.Point(x, y)

-

-      return this

-    }

-    // Get morphed point at a given position

-  , at: function(pos) {

-      // make sure a destination is defined

-      if (!this.destination) return this

-

-      // calculate morphed matrix at a given position

-      var point = new SVG.Point({

-        x: this.x + (this.destination.x - this.x) * pos

-      , y: this.y + (this.destination.y - this.y) * pos

-      })

-

-      return point

-    }

-    // Convert to native SVGPoint

-  , native: function() {

-      // create new point

-      var point = SVG.parser.native.createSVGPoint()

-

-      // update with current values

-      point.x = this.x

-      point.y = this.y

-

-      return point

-    }

-    // transform point with matrix

-  , transform: function(matrix) {

-      return new SVG.Point(this.native().matrixTransform(matrix.native()))

-    }

-

-  }

-

-})

-

-SVG.extend(SVG.Element, {

-

-  // Get point

-  point: function(x, y) {

-    return new SVG.Point(x,y).transform(this.screenCTM().inverse());

-  }

-

-})

-
-SVG.extend(SVG.Element, {

-  // Set svg element attribute

-  attr: function(a, v, n) {

-    // act as full getter

-    if (a == null) {

-      // get an object of attributes

-      a = {}

-      v = this.node.attributes

-      for (n = v.length - 1; n >= 0; n--)

-        a[v[n].nodeName] = SVG.regex.isNumber.test(v[n].nodeValue) ? parseFloat(v[n].nodeValue) : v[n].nodeValue

-

-      return a

-

-    } else if (typeof a == 'object') {

-      // apply every attribute individually if an object is passed

-      for (v in a) this.attr(v, a[v])

-

-    } else if (v === null) {

-        // remove value

-        this.node.removeAttribute(a)

-

-    } else if (v == null) {

-      // act as a getter if the first and only argument is not an object

-      v = this.node.getAttribute(a)

-      return v == null ?

-        SVG.defaults.attrs[a] :

-      SVG.regex.isNumber.test(v) ?

-        parseFloat(v) : v

-

-    } else {

-      // BUG FIX: some browsers will render a stroke if a color is given even though stroke width is 0

-      if (a == 'stroke-width')

-        this.attr('stroke', parseFloat(v) > 0 ? this._stroke : null)

-      else if (a == 'stroke')

-        this._stroke = v

-

-      // convert image fill and stroke to patterns

-      if (a == 'fill' || a == 'stroke') {

-        if (SVG.regex.isImage.test(v))

-          v = this.doc().defs().image(v, 0, 0)

-

-        if (v instanceof SVG.Image)

-          v = this.doc().defs().pattern(0, 0, function() {

-            this.add(v)

-          })

-      }

-

-      // ensure correct numeric values (also accepts NaN and Infinity)

-      if (typeof v === 'number')

-        v = new SVG.Number(v)

-

-      // ensure full hex color

-      else if (SVG.Color.isColor(v))

-        v = new SVG.Color(v)

-

-      // parse array values

-      else if (Array.isArray(v))

-        v = new SVG.Array(v)

-

-      // if the passed attribute is leading...

-      if (a == 'leading') {

-        // ... call the leading method instead

-        if (this.leading)

-          this.leading(v)

-      } else {

-        // set given attribute on node

-        typeof n === 'string' ?

-          this.node.setAttributeNS(n, a, v.toString()) :

-          this.node.setAttribute(a, v.toString())

-      }

-

-      // rebuild if required

-      if (this.rebuild && (a == 'font-size' || a == 'x'))

-        this.rebuild(a, v)

-    }

-

-    return this

-  }

+
+// Testers
+
+// Test if given value is a color string
+SVG.Color.test = function(color) {
+  color += ''
+  return SVG.regex.isHex.test(color)
+      || SVG.regex.isRgb.test(color)
+}
+
+// Test if given value is a rgb object
+SVG.Color.isRgb = function(color) {
+  return color && typeof color.r == 'number'
+               && typeof color.g == 'number'
+               && typeof color.b == 'number'
+}
+
+// Test if given value is a color
+SVG.Color.isColor = function(color) {
+  return SVG.Color.isRgb(color) || SVG.Color.test(color)
+}
+// Module for array conversion
+SVG.Array = function(array, fallback) {
+  array = (array || []).valueOf()
+
+  // if array is empty and fallback is provided, use fallback
+  if (array.length == 0 && fallback)
+    array = fallback.valueOf()
+
+  // parse array
+  this.value = this.parse(array)
+}
+
+SVG.extend(SVG.Array, {
+  // Make array morphable
+  morph: function(array) {
+    this.destination = this.parse(array)
+
+    // normalize length of arrays
+    if (this.value.length != this.destination.length) {
+      var lastValue       = this.value[this.value.length - 1]
+        , lastDestination = this.destination[this.destination.length - 1]
+
+      while(this.value.length > this.destination.length)
+        this.destination.push(lastDestination)
+      while(this.value.length < this.destination.length)
+        this.value.push(lastValue)
+    }
+
+    return this
+  }
+  // Clean up any duplicate points
+, settle: function() {
+    // find all unique values
+    for (var i = 0, il = this.value.length, seen = []; i < il; i++)
+      if (seen.indexOf(this.value[i]) == -1)
+        seen.push(this.value[i])
+
+    // set new value
+    return this.value = seen
+  }
+  // Get morphed array at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // generate morphed array
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push(this.value[i] + (this.destination[i] - this.value[i]) * pos)
+
+    return new SVG.Array(array)
+  }
+  // Convert array to string
+, toString: function() {
+    return this.value.join(' ')
+  }
+  // Real value
+, valueOf: function() {
+    return this.value
+  }
+  // Parse whitespace separated string
+, parse: function(array) {
+    array = array.valueOf()
+
+    // if already is an array, no need to parse it
+    if (Array.isArray(array)) return array
+
+    return this.split(array)
+  }
+  // Strip unnecessary whitespace
+, split: function(string) {
+    return string.trim().split(SVG.regex.delimiter).map(parseFloat)
+  }
+  // Reverse array
+, reverse: function() {
+    this.value.reverse()
+
+    return this
+  }
+, clone: function() {
+    var clone = new this.constructor()
+    clone.value = array_clone(this.value)
+    return clone
+  }
 })
-SVG.extend(SVG.Element, {

-  // Add transformations

-  transform: function(o, relative) {

-    // get target in case of the fx module, otherwise reference this

-    var target = this

-      , matrix, bbox

-

-    // act as a getter

-    if (typeof o !== 'object') {

-      // get current matrix

-      matrix = new SVG.Matrix(target).extract()

-

-      return typeof o === 'string' ? matrix[o] : matrix

-    }

-

-    // get current matrix

-    matrix = new SVG.Matrix(target)

-

-    // ensure relative flag

-    relative = !!relative || !!o.relative

-

-    // act on matrix

-    if (o.a != null) {

-      matrix = relative ?

-        // relative

-        matrix.multiply(new SVG.Matrix(o)) :

-        // absolute

-        new SVG.Matrix(o)

-

-    // act on rotation

-    } else if (o.rotation != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // apply transformation

-      matrix = relative ?

-        // relative

-        matrix.rotate(o.rotation, o.cx, o.cy) :

-        // absolute

-        matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy)

-

-    // act on scale

-    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // ensure scale values on both axes

-      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1

-      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1

-

-      if (!relative) {

-        // absolute; multiply inversed values

-        var e = matrix.extract()

-        o.scaleX = o.scaleX * 1 / e.scaleX

-        o.scaleY = o.scaleY * 1 / e.scaleY

-      }

-

-      matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy)

-

-    // act on skew

-    } else if (o.skew != null || o.skewX != null || o.skewY != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // ensure skew values on both axes

-      o.skewX = o.skew != null ? o.skew : o.skewX != null ? o.skewX : 0

-      o.skewY = o.skew != null ? o.skew : o.skewY != null ? o.skewY : 0

-

-      if (!relative) {

-        // absolute; reset skew values

-        var e = matrix.extract()

-        matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse())

-      }

-

-      matrix = matrix.skew(o.skewX, o.skewY, o.cx, o.cy)

-

-    // act on flip

-    } else if (o.flip) {

-      if(o.flip == 'x' || o.flip == 'y') {

-        o.offset = o.offset == null ? target.bbox()['c' + o.flip] : o.offset

-      } else {

-        if(o.offset == null) {

-          bbox = target.bbox()

-          o.flip = bbox.cx

-          o.offset = bbox.cy

-        } else {

-          o.flip = o.offset

-        }

-      }

-

-      matrix = new SVG.Matrix().flip(o.flip, o.offset)

-

-    // act on translate

-    } else if (o.x != null || o.y != null) {

-      if (relative) {

-        // relative

-        matrix = matrix.translate(o.x, o.y)

-      } else {

-        // absolute

-        if (o.x != null) matrix.e = o.x

-        if (o.y != null) matrix.f = o.y

-      }

-    }

-

-    return this.attr('transform', matrix)

-  }

-})

-

-SVG.extend(SVG.FX, {

-  transform: function(o, relative) {

-    // get target in case of the fx module, otherwise reference this

-    var target = this.target()

-      , matrix, bbox

-

-    // act as a getter

-    if (typeof o !== 'object') {

-      // get current matrix

-      matrix = new SVG.Matrix(target).extract()

-

-      return typeof o === 'string' ? matrix[o] : matrix

-    }

-

-    // ensure relative flag

-    relative = !!relative || !!o.relative

-

-    // act on matrix

-    if (o.a != null) {

-      matrix = new SVG.Matrix(o)

-

-    // act on rotation

-    } else if (o.rotation != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // apply transformation

-      matrix = new SVG.Rotate(o.rotation, o.cx, o.cy)

-

-    // act on scale

-    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // ensure scale values on both axes

-      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1

-      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1

-

-      matrix = new SVG.Scale(o.scaleX, o.scaleY, o.cx, o.cy)

-

-    // act on skew

-    } else if (o.skewX != null || o.skewY != null) {

-      // ensure centre point

-      ensureCentre(o, target)

-

-      // ensure skew values on both axes

-      o.skewX = o.skewX != null ? o.skewX : 0

-      o.skewY = o.skewY != null ? o.skewY : 0

-

-      matrix = new SVG.Skew(o.skewX, o.skewY, o.cx, o.cy)

-

-    // act on flip

-    } else if (o.flip) {

-      if(o.flip == 'x' || o.flip == 'y') {

-        o.offset = o.offset == null ? target.bbox()['c' + o.flip] : o.offset

-      } else {

-        if(o.offset == null) {

-          bbox = target.bbox()

-          o.flip = bbox.cx

-          o.offset = bbox.cy

-        } else {

-          o.flip = o.offset

-        }

-      }

-

-      matrix = new SVG.Matrix().flip(o.flip, o.offset)

-

-    // act on translate

-    } else if (o.x != null || o.y != null) {

-      matrix = new SVG.Translate(o.x, o.y)

-    }

-

-    if(!matrix) return this

-

-    matrix.relative = relative

-

-    this.last().transforms.push(matrix)

-

-    return this._callStart()

-  }

-})

-

-SVG.extend(SVG.Element, {

-  // Reset all transformations

-  untransform: function() {

-    return this.attr('transform', null)

-  },

-  // merge the whole transformation chain into one matrix and returns it

-  matrixify: function() {

-

-    var matrix = (this.attr('transform') || '')

-      // split transformations

-      .split(SVG.regex.transforms).slice(0,-1).map(function(str){

-        // generate key => value pairs

-        var kv = str.trim().split('(')

-        return [kv[0], kv[1].split(SVG.regex.delimiter).map(function(str){ return parseFloat(str) })]

-      })

-      // merge every transformation into one matrix

-      .reduce(function(matrix, transform){

-

-        if(transform[0] == 'matrix') return matrix.multiply(arrayToMatrix(transform[1]))

-        return matrix[transform[0]].apply(matrix, transform[1])

-

-      }, new SVG.Matrix())

-

-    return matrix

-  },

-  // add an element to another parent without changing the visual representation on the screen

-  toParent: function(parent) {

-    if(this == parent) return this

-    var ctm = this.screenCTM()

-    var pCtm = parent.screenCTM().inverse()

-

-    this.addTo(parent).untransform().transform(pCtm.multiply(ctm))

-

-    return this

-  },

-  // same as above with parent equals root-svg

-  toDoc: function() {

-    return this.toParent(this.doc())

-  }

-

-})

-

-SVG.Transformation = SVG.invent({

-

-  create: function(source, inversed){

-

-    if(arguments.length > 1 && typeof inversed != 'boolean'){

-      return this.constructor.call(this, [].slice.call(arguments))

-    }

-

-    if(Array.isArray(source)){

-      for(var i = 0, len = this.arguments.length; i < len; ++i){

-        this[this.arguments[i]] = source[i]

-      }

-    } else if(typeof source == 'object'){

-      for(var i = 0, len = this.arguments.length; i < len; ++i){

-        this[this.arguments[i]] = source[this.arguments[i]]

-      }

-    }

-

-    this.inversed = false

-

-    if(inversed === true){

-      this.inversed = true

-    }

-

-  }

-

-, extend: {

-

-    arguments: []

-  , method: ''

-

-  , at: function(pos){

-

-      var params = []

-

-      for(var i = 0, len = this.arguments.length; i < len; ++i){

-        params.push(this[this.arguments[i]])

-      }

-

-      var m = this._undo || new SVG.Matrix()

-

-      m = new SVG.Matrix().morph(SVG.Matrix.prototype[this.method].apply(m, params)).at(pos)

-

-      return this.inversed ? m.inverse() : m

-

-    }

-

-  , undo: function(o){

-      for(var i = 0, len = this.arguments.length; i < len; ++i){

-        o[this.arguments[i]] = typeof this[this.arguments[i]] == 'undefined' ? 0 : o[this.arguments[i]]

-      }

-

-      // The method SVG.Matrix.extract which was used before calling this

-      // method to obtain a value for the parameter o doesn't return a cx and

-      // a cy so we use the ones that were provided to this object at its creation

-      o.cx = this.cx

-      o.cy = this.cy

-

-      this._undo = new SVG[capitalize(this.method)](o, true).at(1)

-

-      return this

-    }

-

-  }

-

-})

-

-SVG.Translate = SVG.invent({

-

-  parent: SVG.Matrix

-, inherit: SVG.Transformation

-

-, create: function(source, inversed){

-    this.constructor.apply(this, [].slice.call(arguments))

-  }

-

-, extend: {

-    arguments: ['transformedX', 'transformedY']

-  , method: 'translate'

-  }

-

-})

-

-SVG.Rotate = SVG.invent({

-

-  parent: SVG.Matrix

-, inherit: SVG.Transformation

-

-, create: function(source, inversed){

-    this.constructor.apply(this, [].slice.call(arguments))

-  }

-

-, extend: {

-    arguments: ['rotation', 'cx', 'cy']

-  , method: 'rotate'

-  , at: function(pos){

-      var m = new SVG.Matrix().rotate(new SVG.Number().morph(this.rotation - (this._undo ? this._undo.rotation : 0)).at(pos), this.cx, this.cy)

-      return this.inversed ? m.inverse() : m

-    }

-  , undo: function(o){

-      this._undo = o

-      return this

-    }

-  }

-

-})

-

-SVG.Scale = SVG.invent({

-

-  parent: SVG.Matrix

-, inherit: SVG.Transformation

-

-, create: function(source, inversed){

-    this.constructor.apply(this, [].slice.call(arguments))

-  }

-

-, extend: {

-    arguments: ['scaleX', 'scaleY', 'cx', 'cy']

-  , method: 'scale'

-  }

-

-})

-

-SVG.Skew = SVG.invent({

-

-  parent: SVG.Matrix

-, inherit: SVG.Transformation

-

-, create: function(source, inversed){

-    this.constructor.apply(this, [].slice.call(arguments))

-  }

-

-, extend: {

-    arguments: ['skewX', 'skewY', 'cx', 'cy']

-  , method: 'skew'

-  }

-

-})

-
-SVG.extend(SVG.Element, {

-  // Dynamic style generator

-  style: function(s, v) {

-    if (arguments.length == 0) {

-      // get full style

-      return this.node.style.cssText || ''

-

-    } else if (arguments.length < 2) {

-      // apply every style individually if an object is passed

-      if (typeof s == 'object') {

-        for (v in s) this.style(v, s[v])

-

-      } else if (SVG.regex.isCss.test(s)) {

-        // parse css string

-        s = s.split(/\s*;\s*/)

-          // filter out suffix ; and stuff like ;;

-          .filter(function(e) { return !!e })

-          .map(function(e){ return e.split(/\s*:\s*/) })

-

-        // apply every definition individually

-        while (v = s.pop()) {

-          this.style(v[0], v[1])

-        }

-      } else {

-        // act as a getter if the first and only argument is not an object

-        return this.node.style[camelCase(s)]

-      }

-

-    } else {

-      this.node.style[camelCase(s)] = v === null || SVG.regex.isBlank.test(v) ? '' : v

-    }

-

-    return this

-  }

+// Poly points array
+SVG.PointArray = function(array, fallback) {
+  SVG.Array.call(this, array, fallback || [[0,0]])
+}
+
+// Inherit from SVG.Array
+SVG.PointArray.prototype = new SVG.Array
+SVG.PointArray.prototype.constructor = SVG.PointArray
+
+SVG.extend(SVG.PointArray, {
+  // Convert array to string
+  toString: function() {
+    // convert to a poly point string
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push(this.value[i].join(','))
+
+    return array.join(' ')
+  }
+  // Convert array to line object
+, toLine: function() {
+    return {
+      x1: this.value[0][0]
+    , y1: this.value[0][1]
+    , x2: this.value[1][0]
+    , y2: this.value[1][1]
+    }
+  }
+  // Get morphed array at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    // generate morphed point string
+    for (var i = 0, il = this.value.length, array = []; i < il; i++)
+      array.push([
+        this.value[i][0] + (this.destination[i][0] - this.value[i][0]) * pos
+      , this.value[i][1] + (this.destination[i][1] - this.value[i][1]) * pos
+      ])
+
+    return new SVG.PointArray(array)
+  }
+  // Parse point string and flat array
+, parse: function(array) {
+    var points = []
+
+    array = array.valueOf()
+
+    // if it is an array
+    if (Array.isArray(array)) {
+      // and it is not flat, there is no need to parse it
+      if(Array.isArray(array[0])) {
+        return array
+      }
+    } else { // Else, it is considered as a string
+      // parse points
+      array = array.trim().split(SVG.regex.delimiter).map(parseFloat)
+    }
+
+    // validate points - https://svgwg.org/svg2-draft/shapes.html#DataTypePoints
+    // Odd number of coordinates is an error. In such cases, drop the last odd coordinate.
+    if (array.length % 2 !== 0) array.pop()
+
+    // wrap points in two-tuples and parse points as floats
+    for(var i = 0, len = array.length; i < len; i = i + 2)
+      points.push([ array[i], array[i+1] ])
+
+    return points
+  }
+  // Move point string
+, move: function(x, y) {
+    var box = this.bbox()
+
+    // get relative offset
+    x -= box.x
+    y -= box.y
+
+    // move every point
+    if (!isNaN(x) && !isNaN(y))
+      for (var i = this.value.length - 1; i >= 0; i--)
+        this.value[i] = [this.value[i][0] + x, this.value[i][1] + y]
+
+    return this
+  }
+  // Resize poly string
+, size: function(width, height) {
+    var i, box = this.bbox()
+
+    // recalculate position of all points according to new size
+    for (i = this.value.length - 1; i >= 0; i--) {
+      if(box.width) this.value[i][0] = ((this.value[i][0] - box.x) * width)  / box.width  + box.x
+      if(box.height) this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y
+    }
+
+    return this
+  }
+  // Get bounding box of points
+, bbox: function() {
+    SVG.parser.poly.setAttribute('points', this.toString())
+
+    return SVG.parser.poly.getBBox()
+  }
 })
-SVG.Parent = SVG.invent({

-  // Initialize node

-  create: function(element) {

-    this.constructor.call(this, element)

-  }

-

-  // Inherit from

-, inherit: SVG.Element

-

-  // Add class methods

-, extend: {

-    // Returns all child elements

-    children: function() {

-      return SVG.utils.map(SVG.utils.filterSVGElements(this.node.childNodes), function(node) {

-        return SVG.adopt(node)

-      })

-    }

-    // Add given element at a position

-  , add: function(element, i) {

-      if (i == null)

-        this.node.appendChild(element.node)

-      else if (element.node != this.node.childNodes[i])

-        this.node.insertBefore(element.node, this.node.childNodes[i])

-

-      return this

-    }

-    // Basically does the same as `add()` but returns the added element instead

-  , put: function(element, i) {

-      this.add(element, i)

-      return element

-    }

-    // Checks if the given element is a child

-  , has: function(element) {

-      return this.index(element) >= 0

-    }

-    // Gets index of given element

-  , index: function(element) {

-      return [].slice.call(this.node.childNodes).indexOf(element.node)

-    }

-    // Get a element at the given index

-  , get: function(i) {

-      return SVG.adopt(this.node.childNodes[i])

-    }

-    // Get first child

-  , first: function() {

-      return this.get(0)

-    }

-    // Get the last child

-  , last: function() {

-      return this.get(this.node.childNodes.length - 1)

-    }

-    // Iterates over all children and invokes a given block

-  , each: function(block, deep) {

-      var i, il

-        , children = this.children()

-

-      for (i = 0, il = children.length; i < il; i++) {

-        if (children[i] instanceof SVG.Element)

-          block.apply(children[i], [i, children])

-

-        if (deep && (children[i] instanceof SVG.Container))

-          children[i].each(block, deep)

-      }

-

-      return this

-    }

-    // Remove a given child

-  , removeElement: function(element) {

-      this.node.removeChild(element.node)

-

-      return this

-    }

-    // Remove all elements in this container

-  , clear: function() {

-      // remove children

-      while(this.node.hasChildNodes())

-        this.node.removeChild(this.node.lastChild)

-

-      // remove defs reference

-      delete this._defs

-

-      return this

-    }

-  , // Get defs

-    defs: function() {

-      return this.doc().defs()

-    }

-  }

-

-})

-
-SVG.extend(SVG.Parent, {

-

-  ungroup: function(parent, depth) {

-    if(depth === 0 || this instanceof SVG.Defs || this.node == SVG.parser.draw) return this

-

-    parent = parent || (this instanceof SVG.Doc ? this : this.parent(SVG.Parent))

-    depth = depth || Infinity

-

-    this.each(function(){

-      if(this instanceof SVG.Defs) return this

-      if(this instanceof SVG.Parent) return this.ungroup(parent, depth-1)

-      return this.toParent(parent)

-    })

-

-    this.node.firstChild || this.remove()

-

-    return this

-  },

-

-  flatten: function(parent, depth) {

-    return this.ungroup(parent, depth)

-  }

-

+
+var pathHandlers = {
+  M: function(c, p, p0) {
+    p.x = p0.x = c[0]
+    p.y = p0.y = c[1]
+
+    return ['M', p.x, p.y]
+  },
+  L: function(c, p) {
+    p.x = c[0]
+    p.y = c[1]
+    return ['L', c[0], c[1]]
+  },
+  H: function(c, p) {
+    p.x = c[0]
+    return ['H', c[0]]
+  },
+  V: function(c, p) {
+    p.y = c[0]
+    return ['V', c[0]]
+  },
+  C: function(c, p) {
+    p.x = c[4]
+    p.y = c[5]
+    return ['C', c[0], c[1], c[2], c[3], c[4], c[5]]
+  },
+  S: function(c, p) {
+    p.x = c[2]
+    p.y = c[3]
+    return ['S', c[0], c[1], c[2], c[3]]
+  },
+  Q: function(c, p) {
+    p.x = c[2]
+    p.y = c[3]
+    return ['Q', c[0], c[1], c[2], c[3]]
+  },
+  T: function(c, p) {
+    p.x = c[0]
+    p.y = c[1]
+    return ['T', c[0], c[1]]
+  },
+  Z: function(c, p, p0) {
+    p.x = p0.x
+    p.y = p0.y
+    return ['Z']
+  },
+  A: function(c, p) {
+    p.x = c[5]
+    p.y = c[6]
+    return ['A', c[0], c[1], c[2], c[3], c[4], c[5], c[6]]
+  }
+}
+
+var mlhvqtcsa = 'mlhvqtcsaz'.split('')
+
+for(var i = 0, il = mlhvqtcsa.length; i < il; ++i){
+  pathHandlers[mlhvqtcsa[i]] = (function(i){
+    return function(c, p, p0) {
+      if(i == 'H') c[0] = c[0] + p.x
+      else if(i == 'V') c[0] = c[0] + p.y
+      else if(i == 'A'){
+        c[5] = c[5] + p.x,
+        c[6] = c[6] + p.y
+      }
+      else
+        for(var j = 0, jl = c.length; j < jl; ++j) {
+          c[j] = c[j] + (j%2 ? p.y : p.x)
+        }
+
+      return pathHandlers[i](c, p, p0)
+    }
+  })(mlhvqtcsa[i].toUpperCase())
+}
+
+// Path points array
+SVG.PathArray = function(array, fallback) {
+  SVG.Array.call(this, array, fallback || [['M', 0, 0]])
+}
+
+// Inherit from SVG.Array
+SVG.PathArray.prototype = new SVG.Array
+SVG.PathArray.prototype.constructor = SVG.PathArray
+
+SVG.extend(SVG.PathArray, {
+  // Convert array to string
+  toString: function() {
+    return arrayToString(this.value)
+  }
+  // Move path string
+, move: function(x, y) {
+    // get bounding box of current situation
+    var box = this.bbox()
+
+    // get relative offset
+    x -= box.x
+    y -= box.y
+
+    if (!isNaN(x) && !isNaN(y)) {
+      // move every point
+      for (var l, i = this.value.length - 1; i >= 0; i--) {
+        l = this.value[i][0]
+
+        if (l == 'M' || l == 'L' || l == 'T')  {
+          this.value[i][1] += x
+          this.value[i][2] += y
+
+        } else if (l == 'H')  {
+          this.value[i][1] += x
+
+        } else if (l == 'V')  {
+          this.value[i][1] += y
+
+        } else if (l == 'C' || l == 'S' || l == 'Q')  {
+          this.value[i][1] += x
+          this.value[i][2] += y
+          this.value[i][3] += x
+          this.value[i][4] += y
+
+          if (l == 'C')  {
+            this.value[i][5] += x
+            this.value[i][6] += y
+          }
+
+        } else if (l == 'A')  {
+          this.value[i][6] += x
+          this.value[i][7] += y
+        }
+
+      }
+    }
+
+    return this
+  }
+  // Resize path string
+, size: function(width, height) {
+    // get bounding box of current situation
+    var i, l, box = this.bbox()
+
+    // recalculate position of all points according to new size
+    for (i = this.value.length - 1; i >= 0; i--) {
+      l = this.value[i][0]
+
+      if (l == 'M' || l == 'L' || l == 'T')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y
+
+      } else if (l == 'H')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+
+      } else if (l == 'V')  {
+        this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y
+
+      } else if (l == 'C' || l == 'S' || l == 'Q')  {
+        this.value[i][1] = ((this.value[i][1] - box.x) * width)  / box.width  + box.x
+        this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y
+        this.value[i][3] = ((this.value[i][3] - box.x) * width)  / box.width  + box.x
+        this.value[i][4] = ((this.value[i][4] - box.y) * height) / box.height + box.y
+
+        if (l == 'C')  {
+          this.value[i][5] = ((this.value[i][5] - box.x) * width)  / box.width  + box.x
+          this.value[i][6] = ((this.value[i][6] - box.y) * height) / box.height + box.y
+        }
+
+      } else if (l == 'A')  {
+        // resize radii
+        this.value[i][1] = (this.value[i][1] * width)  / box.width
+        this.value[i][2] = (this.value[i][2] * height) / box.height
+
+        // move position values
+        this.value[i][6] = ((this.value[i][6] - box.x) * width)  / box.width  + box.x
+        this.value[i][7] = ((this.value[i][7] - box.y) * height) / box.height + box.y
+      }
+
+    }
+
+    return this
+  }
+  // Test if the passed path array use the same path data commands as this path array
+, equalCommands: function(pathArray) {
+    var i, il, equalCommands
+
+    pathArray = new SVG.PathArray(pathArray)
+
+    equalCommands = this.value.length === pathArray.value.length
+    for(i = 0, il = this.value.length; equalCommands && i < il; i++) {
+      equalCommands = this.value[i][0] === pathArray.value[i][0]
+    }
+
+    return equalCommands
+  }
+  // Make path array morphable
+, morph: function(pathArray) {
+    pathArray = new SVG.PathArray(pathArray)
+
+    if(this.equalCommands(pathArray)) {
+      this.destination = pathArray
+    } else {
+      this.destination = null
+    }
+
+    return this
+  }
+  // Get morphed path array at given position
+, at: function(pos) {
+    // make sure a destination is defined
+    if (!this.destination) return this
+
+    var sourceArray = this.value
+      , destinationArray = this.destination.value
+      , array = [], pathArray = new SVG.PathArray()
+      , i, il, j, jl
+
+    // Animate has specified in the SVG spec
+    // See: https://www.w3.org/TR/SVG11/paths.html#PathElement
+    for (i = 0, il = sourceArray.length; i < il; i++) {
+      array[i] = [sourceArray[i][0]]
+      for(j = 1, jl = sourceArray[i].length; j < jl; j++) {
+        array[i][j] = sourceArray[i][j] + (destinationArray[i][j] - sourceArray[i][j]) * pos
+      }
+      // For the two flags of the elliptical arc command, the SVG spec say:
+      // Flags and booleans are interpolated as fractions between zero and one, with any non-zero value considered to be a value of one/true
+      // Elliptical arc command as an array followed by corresponding indexes:
+      // ['A', rx, ry, x-axis-rotation, large-arc-flag, sweep-flag, x, y]
+      //   0    1   2        3                 4             5      6  7
+      if(array[i][0] === 'A') {
+        array[i][4] = +(array[i][4] != 0)
+        array[i][5] = +(array[i][5] != 0)
+      }
+    }
+
+    // Directly modify the value of a path array, this is done this way for performance
+    pathArray.value = array
+    return pathArray
+  }
+  // Absolutize and parse path to array
+, parse: function(array) {
+    // if it's already a patharray, no need to parse it
+    if (array instanceof SVG.PathArray) return array.valueOf()
+
+    // prepare for parsing
+    var i, x0, y0, s, seg, arr
+      , x = 0
+      , y = 0
+      , paramCnt = { 'M':2, 'L':2, 'H':1, 'V':1, 'C':6, 'S':4, 'Q':4, 'T':2, 'A':7, 'Z':0 }
+
+    if(typeof array == 'string'){
+
+      array = array
+        .replace(SVG.regex.numbersWithDots, pathRegReplace) // convert 45.123.123 to 45.123 .123
+        .replace(SVG.regex.pathLetters, ' $& ') // put some room between letters and numbers
+        .replace(SVG.regex.hyphen, '$1 -')      // add space before hyphen
+        .trim()                                 // trim
+        .split(SVG.regex.delimiter)   // split into array
+
+    }else{
+      array = array.reduce(function(prev, curr){
+        return [].concat.call(prev, curr)
+      }, [])
+    }
+
+    // array now is an array containing all parts of a path e.g. ['M', '0', '0', 'L', '30', '30' ...]
+    var arr = []
+      , p = new SVG.Point()
+      , p0 = new SVG.Point()
+      , index = 0
+      , len = array.length
+
+    do{
+      // Test if we have a path letter
+      if(SVG.regex.isPathLetter.test(array[index])){
+        s = array[index]
+        ++index
+      // If last letter was a move command and we got no new, it defaults to [L]ine
+      }else if(s == 'M'){
+        s = 'L'
+      }else if(s == 'm'){
+        s = 'l'
+      }
+
+      arr.push(pathHandlers[s].call(null,
+          array.slice(index, (index = index + paramCnt[s.toUpperCase()])).map(parseFloat),
+          p, p0
+        )
+      )
+
+    }while(len > index)
+
+    return arr
+
+  }
+  // Get bounding box of path
+, bbox: function() {
+    SVG.parser.path.setAttribute('d', this.toString())
+
+    return SVG.parser.path.getBBox()
+  }
+
 })
-SVG.Container = SVG.invent({

-  // Initialize node

-  create: function(element) {

-    this.constructor.call(this, element)

-  }

-

-  // Inherit from

-, inherit: SVG.Parent

-

+
+// Module for unit convertions
+SVG.Number = SVG.invent({
+  // Initialize
+  create: function(value, unit) {
+    // initialize defaults
+    this.value = 0
+    this.unit  = unit || ''
+
+    // parse value
+    if (typeof value === 'number') {
+      // ensure a valid numeric value
+      this.value = isNaN(value) ? 0 : !isFinite(value) ? (value < 0 ? -3.4e+38 : +3.4e+38) : value
+
+    } else if (typeof value === 'string') {
+      unit = value.match(SVG.regex.numberAndUnit)
+
+      if (unit) {
+        // make value numeric
+        this.value = parseFloat(unit[1])
+
+        // normalize
+        if (unit[5] == '%')
+          this.value /= 100
+        else if (unit[5] == 's')
+          this.value *= 1000
+
+        // store unit
+        this.unit = unit[5]
+      }
+
+    } else {
+      if (value instanceof SVG.Number) {
+        this.value = value.valueOf()
+        this.unit  = value.unit
+      }
+    }
+
+  }
+  // Add methods
+, extend: {
+    // Stringalize
+    toString: function() {
+      return (
+        this.unit == '%' ?
+          ~~(this.value * 1e8) / 1e6:
+        this.unit == 's' ?
+          this.value / 1e3 :
+          this.value
+      ) + this.unit
+    }
+  , toJSON: function() {
+      return this.toString()
+    }
+  , // Convert to primitive
+    valueOf: function() {
+      return this.value
+    }
+    // Add number
+  , plus: function(number) {
+      number = new SVG.Number(number)
+      return new SVG.Number(this + number, this.unit || number.unit)
+    }
+    // Subtract number
+  , minus: function(number) {
+      number = new SVG.Number(number)
+      return new SVG.Number(this - number, this.unit || number.unit)
+    }
+    // Multiply number
+  , times: function(number) {
+      number = new SVG.Number(number)
+      return new SVG.Number(this * number, this.unit || number.unit)
+    }
+    // Divide number
+  , divide: function(number) {
+      number = new SVG.Number(number)
+      return new SVG.Number(this / number, this.unit || number.unit)
+    }
+    // Convert to different unit
+  , to: function(unit) {
+      var number = new SVG.Number(this)
+
+      if (typeof unit === 'string')
+        number.unit = unit
+
+      return number
+    }
+    // Make number morphable
+  , morph: function(number) {
+      this.destination = new SVG.Number(number)
+
+      if(number.relative) {
+        this.destination.value += this.value
+      }
+
+      return this
+    }
+    // Get morphed number at given position
+  , at: function(pos) {
+      // Make sure a destination is defined
+      if (!this.destination) return this
+
+      // Generate new morphed number
+      return new SVG.Number(this.destination)
+          .minus(this)
+          .times(pos)
+          .plus(this)
+    }
+
+  }
 })
-

-SVG.ViewBox = SVG.invent({

-

-  create: function(source) {

-    var i, base = [0, 0, 0, 0]

-

-    var x, y, width, height, box, view, we, he

-      , wm   = 1 // width multiplier

-      , hm   = 1 // height multiplier

-      , reg  = /[+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?/gi

-

-    if(source instanceof SVG.Element){

-

-      we = source

-      he = source

-      view = (source.attr('viewBox') || '').match(reg)

-      box = source.bbox

-

-      // get dimensions of current node

-      width  = new SVG.Number(source.width())

-      height = new SVG.Number(source.height())

-

-      // find nearest non-percentual dimensions

-      while (width.unit == '%') {

-        wm *= width.value

-        width = new SVG.Number(we instanceof SVG.Doc ? we.parent().offsetWidth : we.parent().width())

-        we = we.parent()

-      }

-      while (height.unit == '%') {

-        hm *= height.value

-        height = new SVG.Number(he instanceof SVG.Doc ? he.parent().offsetHeight : he.parent().height())

-        he = he.parent()

-      }

-

-      // ensure defaults

-      this.x      = 0

-      this.y      = 0

-      this.width  = width  * wm

-      this.height = height * hm

-      this.zoom   = 1

-

-      if (view) {

-        // get width and height from viewbox

-        x      = parseFloat(view[0])

-        y      = parseFloat(view[1])

-        width  = parseFloat(view[2])

-        height = parseFloat(view[3])

-

-        // calculate zoom accoring to viewbox

-        this.zoom = ((this.width / this.height) > (width / height)) ?

-          this.height / height :

-          this.width  / width

-

-        // calculate real pixel dimensions on parent SVG.Doc element

-        this.x      = x

-        this.y      = y

-        this.width  = width

-        this.height = height

-

-      }

-

-    }else{

-

-      // ensure source as object

-      source = typeof source === 'string' ?

-        source.match(reg).map(function(el){ return parseFloat(el) }) :

-      Array.isArray(source) ?

-        source :

-      typeof source == 'object' ?

-        [source.x, source.y, source.width, source.height] :

-      arguments.length == 4 ?

-        [].slice.call(arguments) :

-        base

-

-      this.x = source[0]

-      this.y = source[1]

-      this.width = source[2]

-      this.height = source[3]

-    }

-

-

-  }

-

-, extend: {

-

-    toString: function() {

-      return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height

-    }

-  , morph: function(x, y, width, height){

-      this.destination = new SVG.ViewBox(x, y, width, height)

-      return this

-    }

-

-  , at: function(pos) {

-

-      if(!this.destination) return this

-

-      return new SVG.ViewBox([

-          this.x + (this.destination.x - this.x) * pos

-        , this.y + (this.destination.y - this.y) * pos

-        , this.width + (this.destination.width - this.width) * pos

-        , this.height + (this.destination.height - this.height) * pos

-      ])

-

-    }

-

-  }

-

-  // Define parent

-, parent: SVG.Container

-

-  // Add parent method

-, construct: {

-

-    // get/set viewbox

-    viewbox: function(x, y, width, height) {

-      if (arguments.length == 0)

-        // act as a getter if there are no arguments

-        return new SVG.ViewBox(this)

-

-      // otherwise act as a setter

-      return this.attr('viewBox', new SVG.ViewBox(x, y, width, height))

-    }

-

-  }

-

+
+
+SVG.Element = SVG.invent({
+  // Initialize node
+  create: function(node) {
+    // make stroke value accessible dynamically
+    this._stroke = SVG.defaults.attrs.stroke
+    this._event = null
+
+    // initialize data object
+    this.dom = {}
+
+    // create circular reference
+    if (this.node = node) {
+      this.type = node.nodeName
+      this.node.instance = this
+
+      // store current attribute value
+      this._stroke = node.getAttribute('stroke') || this._stroke
+    }
+  }
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      return this.attr('x', x)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return this.attr('y', y)
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2)
+    }
+    // Move element to given x and y values
+  , move: function(x, y) {
+      return this.x(x).y(y)
+    }
+    // Move element by its center
+  , center: function(x, y) {
+      return this.cx(x).cy(y)
+    }
+    // Set width of element
+  , width: function(width) {
+      return this.attr('width', width)
+    }
+    // Set height of element
+  , height: function(height) {
+      return this.attr('height', height)
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this
+        .width(new SVG.Number(p.width))
+        .height(new SVG.Number(p.height))
+    }
+    // Clone element
+  , clone: function(parent, withData) {
+      // write dom data to the dom so the clone can pickup the data
+      this.writeDataToDom()
+
+      // clone element and assign new id
+      var clone = assignNewId(this.node.cloneNode(true))
+
+      // insert the clone in the given parent or after myself
+      if(parent) parent.add(clone)
+      else this.after(clone)
+
+      return clone
+    }
+    // Remove element
+  , remove: function() {
+      if (this.parent())
+        this.parent().removeElement(this)
+
+      return this
+    }
+    // Replace element
+  , replace: function(element) {
+      this.after(element).remove()
+
+      return element
+    }
+    // Add element to given container and return self
+  , addTo: function(parent) {
+      return parent.put(this)
+    }
+    // Add element to given container and return container
+  , putIn: function(parent) {
+      return parent.add(this)
+    }
+    // Get / set id
+  , id: function(id) {
+      return this.attr('id', id)
+    }
+    // Checks whether the given point inside the bounding box of the element
+  , inside: function(x, y) {
+      var box = this.bbox()
+
+      return x > box.x
+          && y > box.y
+          && x < box.x + box.width
+          && y < box.y + box.height
+    }
+    // Show element
+  , show: function() {
+      return this.style('display', '')
+    }
+    // Hide element
+  , hide: function() {
+      return this.style('display', 'none')
+    }
+    // Is element visible?
+  , visible: function() {
+      return this.style('display') != 'none'
+    }
+    // Return id on string conversion
+  , toString: function() {
+      return this.attr('id')
+    }
+    // Return array of classes on the node
+  , classes: function() {
+      var attr = this.attr('class')
+
+      return attr == null ? [] : attr.trim().split(SVG.regex.delimiter)
+    }
+    // Return true if class exists on the node, false otherwise
+  , hasClass: function(name) {
+      return this.classes().indexOf(name) != -1
+    }
+    // Add class to the node
+  , addClass: function(name) {
+      if (!this.hasClass(name)) {
+        var array = this.classes()
+        array.push(name)
+        this.attr('class', array.join(' '))
+      }
+
+      return this
+    }
+    // Remove class from the node
+  , removeClass: function(name) {
+      if (this.hasClass(name)) {
+        this.attr('class', this.classes().filter(function(c) {
+          return c != name
+        }).join(' '))
+      }
+
+      return this
+    }
+    // Toggle the presence of a class on the node
+  , toggleClass: function(name) {
+      return this.hasClass(name) ? this.removeClass(name) : this.addClass(name)
+    }
+    // Get referenced element form attribute value
+  , reference: function(attr) {
+      return SVG.get(this.attr(attr))
+    }
+    // Returns the parent element instance
+  , parent: function(type) {
+      var parent = this
+
+      // check for parent
+      if(!parent.node.parentNode) return null
+
+      // get parent element
+      parent = SVG.adopt(parent.node.parentNode)
+
+      if(!type) return parent
+
+      // loop trough ancestors if type is given
+      while(parent && parent.node instanceof window.SVGElement){
+        if(typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent
+        if(parent.node.parentNode.nodeName == '#document') return null // #720
+        parent = SVG.adopt(parent.node.parentNode)
+      }
+    }
+    // Get parent document
+  , doc: function() {
+      return this instanceof SVG.Doc ? this : this.parent(SVG.Doc)
+    }
+    // return array of all ancestors of given type up to the root svg
+  , parents: function(type) {
+      var parents = [], parent = this
+
+      do{
+        parent = parent.parent(type)
+        if(!parent || !parent.node) break
+
+        parents.push(parent)
+      } while(parent.parent)
+
+      return parents
+    }
+    // matches the element vs a css selector
+  , matches: function(selector){
+      return matches(this.node, selector)
+    }
+    // Returns the svg node to call native svg methods on it
+  , native: function() {
+      return this.node
+    }
+    // Import raw svg
+  , svg: function(svg) {
+      // create temporary holder
+      var well = document.createElement('svg')
+
+      // act as a setter if svg is given
+      if (svg && this instanceof SVG.Parent) {
+        // dump raw svg
+        well.innerHTML = '<svg>' + svg.replace(/\n/, '').replace(/<(\w+)([^<]+?)\/>/g, '<$1$2></$1>') + '</svg>'
+
+        // transplant nodes
+        for (var i = 0, il = well.firstChild.childNodes.length; i < il; i++)
+          this.node.appendChild(well.firstChild.firstChild)
+
+      // otherwise act as a getter
+      } else {
+        // create a wrapping svg element in case of partial content
+        well.appendChild(svg = document.createElement('svg'))
+
+        // write svgjs data to the dom
+        this.writeDataToDom()
+
+        // insert a copy of this node
+        svg.appendChild(this.node.cloneNode(true))
+
+        // return target element
+        return well.innerHTML.replace(/^<svg>/, '').replace(/<\/svg>$/, '')
+      }
+
+      return this
+    }
+  // write svgjs data to the dom
+  , writeDataToDom: function() {
+
+      // dump variables recursively
+      if(this.each || this.lines){
+        var fn = this.each ? this : this.lines();
+        fn.each(function(){
+          this.writeDataToDom()
+        })
+      }
+
+      // remove previously set data
+      this.node.removeAttribute('svgjs:data')
+
+      if(Object.keys(this.dom).length)
+        this.node.setAttribute('svgjs:data', JSON.stringify(this.dom)) // see #428
+
+      return this
+    }
+  // set given data to the elements data property
+  , setData: function(o){
+      this.dom = o
+      return this
+    }
+  , is: function(obj){
+      return is(this, obj)
+    }
+  }
 })
-// Add events to elements

-;[  'click'

-  , 'dblclick'

-  , 'mousedown'

-  , 'mouseup'

-  , 'mouseover'

-  , 'mouseout'

-  , 'mousemove'

-  // , 'mouseenter' -> not supported by IE

-  // , 'mouseleave' -> not supported by IE

-  , 'touchstart'

-  , 'touchmove'

-  , 'touchleave'

-  , 'touchend'

-  , 'touchcancel' ].forEach(function(event) {

-

-  // add event to SVG.Element

-  SVG.Element.prototype[event] = function(f) {

-    // bind event to element rather than element node

-    SVG.on(this.node, event, f)

-    return this

-  }

-})

-

-// Initialize listeners stack

-SVG.listeners = []

-SVG.handlerMap = []

-SVG.listenerId = 0

-

-// Add event binder in the SVG namespace

-SVG.on = function(node, event, listener, binding, options) {

-  // create listener, get object-index

-  var l     = listener.bind(binding || node.instance || node)

-    , index = (SVG.handlerMap.indexOf(node) + 1 || SVG.handlerMap.push(node)) - 1

-    , ev    = event.split('.')[0]

-    , ns    = event.split('.')[1] || '*'

-

-

-  // ensure valid object

-  SVG.listeners[index]         = SVG.listeners[index]         || {}

-  SVG.listeners[index][ev]     = SVG.listeners[index][ev]     || {}

-  SVG.listeners[index][ev][ns] = SVG.listeners[index][ev][ns] || {}

-

-  if(!listener._svgjsListenerId)

-    listener._svgjsListenerId = ++SVG.listenerId

-

-  // reference listener

-  SVG.listeners[index][ev][ns][listener._svgjsListenerId] = l

-

-  // add listener

-  node.addEventListener(ev, l, options || false)

-}

-

-// Add event unbinder in the SVG namespace

-SVG.off = function(node, event, listener) {

-  var index = SVG.handlerMap.indexOf(node)

-    , ev    = event && event.split('.')[0]

-    , ns    = event && event.split('.')[1]

-    , namespace = ''

-

-  if(index == -1) return

-

-  if (listener) {

-    if(typeof listener == 'function') listener = listener._svgjsListenerId

-    if(!listener) return

-

-    // remove listener reference

-    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns || '*']) {

-      // remove listener

-      node.removeEventListener(ev, SVG.listeners[index][ev][ns || '*'][listener], false)

-

-      delete SVG.listeners[index][ev][ns || '*'][listener]

-    }

-

-  } else if (ns && ev) {

-    // remove all listeners for a namespaced event

-    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns]) {

-      for (listener in SVG.listeners[index][ev][ns])

-        SVG.off(node, [ev, ns].join('.'), listener)

-

-      delete SVG.listeners[index][ev][ns]

-    }

-

-  } else if (ns){

-    // remove all listeners for a specific namespace

-    for(event in SVG.listeners[index]){

-        for(namespace in SVG.listeners[index][event]){

-            if(ns === namespace){

-                SVG.off(node, [event, ns].join('.'))

-            }

-        }

-    }

-

-  } else if (ev) {

-    // remove all listeners for the event

-    if (SVG.listeners[index][ev]) {

-      for (namespace in SVG.listeners[index][ev])

-        SVG.off(node, [ev, namespace].join('.'))

-

-      delete SVG.listeners[index][ev]

-    }

-

-  } else {

-    // remove all listeners on a given node

-    for (event in SVG.listeners[index])

-      SVG.off(node, event)

-

-    delete SVG.listeners[index]

-    delete SVG.handlerMap[index]

-

-  }

-}

-

-//

-SVG.extend(SVG.Element, {

-  // Bind given event to listener

-  on: function(event, listener, binding, options) {

-    SVG.on(this.node, event, listener, binding, options)

-

-    return this

-  }

-  // Unbind event from listener

-, off: function(event, listener) {

-    SVG.off(this.node, event, listener)

-

-    return this

-  }

-  // Fire given event

-, fire: function(event, data) {

-

-    // Dispatch event

-    if(event instanceof window.Event){

-        this.node.dispatchEvent(event)

-    }else{

-        this.node.dispatchEvent(event = new window.CustomEvent(event, {detail:data, cancelable: true}))

-    }

-

-    this._event = event

-    return this

-  }

-, event: function() {

-    return this._event

-  }

-})

-
-

-SVG.Defs = SVG.invent({

-  // Initialize node

-  create: 'defs'

-

-  // Inherit from

-, inherit: SVG.Container

-

+
+SVG.easing = {
+  '-': function(pos){return pos}
+, '<>':function(pos){return -Math.cos(pos * Math.PI) / 2 + 0.5}
+, '>': function(pos){return  Math.sin(pos * Math.PI / 2)}
+, '<': function(pos){return -Math.cos(pos * Math.PI / 2) + 1}
+}
+
+SVG.morph = function(pos){
+  return function(from, to) {
+    return new SVG.MorphObj(from, to).at(pos)
+  }
+}
+
+SVG.Situation = SVG.invent({
+
+  create: function(o){
+    this.init = false
+    this.reversed = false
+    this.reversing = false
+
+    this.duration = new SVG.Number(o.duration).valueOf()
+    this.delay = new SVG.Number(o.delay).valueOf()
+
+    this.start = +new Date() + this.delay
+    this.finish = this.start + this.duration
+    this.ease = o.ease
+
+    // this.loop is incremented from 0 to this.loops
+    // it is also incremented when in an infinite loop (when this.loops is true)
+    this.loop = 0
+    this.loops = false
+
+    this.animations = {
+      // functionToCall: [list of morphable objects]
+      // e.g. move: [SVG.Number, SVG.Number]
+    }
+
+    this.attrs = {
+      // holds all attributes which are not represented from a function svg.js provides
+      // e.g. someAttr: SVG.Number
+    }
+
+    this.styles = {
+      // holds all styles which should be animated
+      // e.g. fill-color: SVG.Color
+    }
+
+    this.transforms = [
+      // holds all transformations as transformation objects
+      // e.g. [SVG.Rotate, SVG.Translate, SVG.Matrix]
+    ]
+
+    this.once = {
+      // functions to fire at a specific position
+      // e.g. "0.5": function foo(){}
+    }
+
+  }
+
 })
-SVG.G = SVG.invent({

-  // Initialize node

-  create: 'g'

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Move over x-axis

-    x: function(x) {

-      return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true)

-    }

-    // Move over y-axis

-  , y: function(y) {

-      return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true)

-    }

-    // Move by center over x-axis

-  , cx: function(x) {

-      return x == null ? this.gbox().cx : this.x(x - this.gbox().width / 2)

-    }

-    // Move by center over y-axis

-  , cy: function(y) {

-      return y == null ? this.gbox().cy : this.y(y - this.gbox().height / 2)

-    }

-  , gbox: function() {

-

-      var bbox  = this.bbox()

-        , trans = this.transform()

-

-      bbox.x  += trans.x

-      bbox.x2 += trans.x

-      bbox.cx += trans.x

-

-      bbox.y  += trans.y

-      bbox.y2 += trans.y

-      bbox.cy += trans.y

-

-      return bbox

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create a group element

-    group: function() {

-      return this.put(new SVG.G)

-    }

-  }

-})

-
-// ### This module adds backward / forward functionality to elements.

-

-//

-SVG.extend(SVG.Element, {

-  // Get all siblings, including myself

-  siblings: function() {

-    return this.parent().children()

-  }

-  // Get the curent position siblings

-, position: function() {

-    return this.parent().index(this)

-  }

-  // Get the next element (will return null if there is none)

-, next: function() {

-    return this.siblings()[this.position() + 1]

-  }

-  // Get the next element (will return null if there is none)

-, previous: function() {

-    return this.siblings()[this.position() - 1]

-  }

-  // Send given element one step forward

-, forward: function() {

-    var i = this.position() + 1

-      , p = this.parent()

-

-    // move node one step forward

-    p.removeElement(this).add(this, i)

-

-    // make sure defs node is always at the top

-    if (p instanceof SVG.Doc)

-      p.node.appendChild(p.defs().node)

-

-    return this

-  }

-  // Send given element one step backward

-, backward: function() {

-    var i = this.position()

-

-    if (i > 0)

-      this.parent().removeElement(this).add(this, i - 1)

-

-    return this

-  }

-  // Send given element all the way to the front

-, front: function() {

-    var p = this.parent()

-

-    // Move node forward

-    p.node.appendChild(this.node)

-

-    // Make sure defs node is always at the top

-    if (p instanceof SVG.Doc)

-      p.node.appendChild(p.defs().node)

-

-    return this

-  }

-  // Send given element all the way to the back

-, back: function() {

-    if (this.position() > 0)

-      this.parent().removeElement(this).add(this, 0)

-

-    return this

-  }

-  // Inserts a given element before the targeted element

-, before: function(element) {

-    element.remove()

-

-    var i = this.position()

-

-    this.parent().add(element, i)

-

-    return this

-  }

-  // Insters a given element after the targeted element

-, after: function(element) {

-    element.remove()

-

-    var i = this.position()

-

-    this.parent().add(element, i + 1)

-

-    return this

-  }

-

+
+
+SVG.FX = SVG.invent({
+
+  create: function(element) {
+    this._target = element
+    this.situations = []
+    this.active = false
+    this.situation = null
+    this.paused = false
+    this.lastPos = 0
+    this.pos = 0
+    // The absolute position of an animation is its position in the context of its complete duration (including delay and loops)
+    // When performing a delay, absPos is below 0 and when performing a loop, its value is above 1
+    this.absPos = 0
+    this._speed = 1
+  }
+
+, extend: {
+
+    /**
+     * sets or returns the target of this animation
+     * @param o object || number In case of Object it holds all parameters. In case of number its the duration of the animation
+     * @param ease function || string Function which should be used for easing or easing keyword
+     * @param delay Number indicating the delay before the animation starts
+     * @return target || this
+     */
+    animate: function(o, ease, delay){
+
+      if(typeof o == 'object'){
+        ease = o.ease
+        delay = o.delay
+        o = o.duration
+      }
+
+      var situation = new SVG.Situation({
+        duration: o || 1000,
+        delay: delay || 0,
+        ease: SVG.easing[ease || '-'] || ease
+      })
+
+      this.queue(situation)
+
+      return this
+    }
+
+    /**
+     * sets a delay before the next element of the queue is called
+     * @param delay Duration of delay in milliseconds
+     * @return this.target()
+     */
+  , delay: function(delay){
+      // The delay is performed by an empty situation with its duration
+      // attribute set to the duration of the delay
+      var situation = new SVG.Situation({
+        duration: delay,
+        delay: 0,
+        ease: SVG.easing['-']
+      })
+
+      return this.queue(situation)
+    }
+
+    /**
+     * sets or returns the target of this animation
+     * @param null || target SVG.Element which should be set as new target
+     * @return target || this
+     */
+  , target: function(target){
+      if(target && target instanceof SVG.Element){
+        this._target = target
+        return this
+      }
+
+      return this._target
+    }
+
+    // returns the absolute position at a given time
+  , timeToAbsPos: function(timestamp){
+      return (timestamp - this.situation.start) / (this.situation.duration/this._speed)
+    }
+
+    // returns the timestamp from a given absolute positon
+  , absPosToTime: function(absPos){
+      return this.situation.duration/this._speed * absPos + this.situation.start
+    }
+
+    // starts the animationloop
+  , startAnimFrame: function(){
+      this.stopAnimFrame()
+      this.animationFrame = window.requestAnimationFrame(function(){ this.step() }.bind(this))
+    }
+
+    // cancels the animationframe
+  , stopAnimFrame: function(){
+      window.cancelAnimationFrame(this.animationFrame)
+    }
+
+    // kicks off the animation - only does something when the queue is currently not active and at least one situation is set
+  , start: function(){
+      // dont start if already started
+      if(!this.active && this.situation){
+        this.active = true
+        this.startCurrent()
+      }
+
+      return this
+    }
+
+    // start the current situation
+  , startCurrent: function(){
+      this.situation.start = +new Date + this.situation.delay/this._speed
+      this.situation.finish = this.situation.start + this.situation.duration/this._speed
+      return this.initAnimations().step()
+    }
+
+    /**
+     * adds a function / Situation to the animation queue
+     * @param fn function / situation to add
+     * @return this
+     */
+  , queue: function(fn){
+      if(typeof fn == 'function' || fn instanceof SVG.Situation)
+        this.situations.push(fn)
+
+      if(!this.situation) this.situation = this.situations.shift()
+
+      return this
+    }
+
+    /**
+     * pulls next element from the queue and execute it
+     * @return this
+     */
+  , dequeue: function(){
+      // stop current animation
+      this.stop()
+
+      // get next animation from queue
+      this.situation = this.situations.shift()
+
+      if(this.situation){
+        if(this.situation instanceof SVG.Situation) {
+          this.start()
+        } else {
+          // If it is not a SVG.Situation, then it is a function, we execute it
+          this.situation.call(this)
+        }
+      }
+
+      return this
+    }
+
+    // updates all animations to the current state of the element
+    // this is important when one property could be changed from another property
+  , initAnimations: function() {
+      var i, j, source
+      var s = this.situation
+
+      if(s.init) return this
+
+      for(i in s.animations){
+        source = this.target()[i]()
+
+        if(!Array.isArray(source)) {
+          source = [source]
+        }
+
+        if(!Array.isArray(s.animations[i])) {
+          s.animations[i] = [s.animations[i]]
+        }
+
+        //if(s.animations[i].length > source.length) {
+        //  source.concat = source.concat(s.animations[i].slice(source.length, s.animations[i].length))
+        //}
+
+        for(j = source.length; j--;) {
+          // The condition is because some methods return a normal number instead
+          // of a SVG.Number
+          if(s.animations[i][j] instanceof SVG.Number)
+            source[j] = new SVG.Number(source[j])
+
+          s.animations[i][j] = source[j].morph(s.animations[i][j])
+        }
+      }
+
+      for(i in s.attrs){
+        s.attrs[i] = new SVG.MorphObj(this.target().attr(i), s.attrs[i])
+      }
+
+      for(i in s.styles){
+        s.styles[i] = new SVG.MorphObj(this.target().style(i), s.styles[i])
+      }
+
+      s.initialTransformation = this.target().matrixify()
+
+      s.init = true
+      return this
+    }
+  , clearQueue: function(){
+      this.situations = []
+      return this
+    }
+  , clearCurrent: function(){
+      this.situation = null
+      return this
+    }
+    /** stops the animation immediately
+     * @param jumpToEnd A Boolean indicating whether to complete the current animation immediately.
+     * @param clearQueue A Boolean indicating whether to remove queued animation as well.
+     * @return this
+     */
+  , stop: function(jumpToEnd, clearQueue){
+      var active = this.active
+      this.active = false
+
+      if(clearQueue){
+        this.clearQueue()
+      }
+
+      if(jumpToEnd && this.situation){
+        // initialize the situation if it was not
+        !active && this.startCurrent()
+        this.atEnd()
+      }
+
+      this.stopAnimFrame()
+
+      return this.clearCurrent()
+    }
+
+    /** resets the element to the state where the current element has started
+     * @return this
+     */
+  , reset: function(){
+      if(this.situation){
+        var temp = this.situation
+        this.stop()
+        this.situation = temp
+        this.atStart()
+      }
+      return this
+    }
+
+    // Stop the currently-running animation, remove all queued animations, and complete all animations for the element.
+  , finish: function(){
+
+      this.stop(true, false)
+
+      while(this.dequeue().situation && this.stop(true, false));
+
+      this.clearQueue().clearCurrent()
+
+      return this
+    }
+
+    // set the internal animation pointer at the start position, before any loops, and updates the visualisation
+  , atStart: function() {
+      return this.at(0, true)
+    }
+
+    // set the internal animation pointer at the end position, after all the loops, and updates the visualisation
+  , atEnd: function() {
+      if (this.situation.loops === true) {
+        // If in a infinite loop, we end the current iteration
+        this.situation.loops = this.situation.loop + 1
+      }
+
+      if(typeof this.situation.loops == 'number') {
+        // If performing a finite number of loops, we go after all the loops
+        return this.at(this.situation.loops, true)
+      } else {
+        // If no loops, we just go at the end
+        return this.at(1, true)
+      }
+    }
+
+    // set the internal animation pointer to the specified position and updates the visualisation
+    // if isAbsPos is true, pos is treated as an absolute position
+  , at: function(pos, isAbsPos){
+      var durDivSpd = this.situation.duration/this._speed
+
+      this.absPos = pos
+      // If pos is not an absolute position, we convert it into one
+      if (!isAbsPos) {
+        if (this.situation.reversed) this.absPos = 1 - this.absPos
+        this.absPos += this.situation.loop
+      }
+
+      this.situation.start = +new Date - this.absPos * durDivSpd
+      this.situation.finish = this.situation.start + durDivSpd
+
+      return this.step(true)
+    }
+
+    /**
+     * sets or returns the speed of the animations
+     * @param speed null || Number The new speed of the animations
+     * @return Number || this
+     */
+  , speed: function(speed){
+      if (speed === 0) return this.pause()
+
+      if (speed) {
+        this._speed = speed
+        // We use an absolute position here so that speed can affect the delay before the animation
+        return this.at(this.absPos, true)
+      } else return this._speed
+    }
+
+    // Make loopable
+  , loop: function(times, reverse) {
+      var c = this.last()
+
+      // store total loops
+      c.loops = (times != null) ? times : true
+      c.loop = 0
+
+      if(reverse) c.reversing = true
+      return this
+    }
+
+    // pauses the animation
+  , pause: function(){
+      this.paused = true
+      this.stopAnimFrame()
+
+      return this
+    }
+
+    // unpause the animation
+  , play: function(){
+      if(!this.paused) return this
+      this.paused = false
+      // We use an absolute position here so that the delay before the animation can be paused
+      return this.at(this.absPos, true)
+    }
+
+    /**
+     * toggle or set the direction of the animation
+     * true sets direction to backwards while false sets it to forwards
+     * @param reversed Boolean indicating whether to reverse the animation or not (default: toggle the reverse status)
+     * @return this
+     */
+  , reverse: function(reversed){
+      var c = this.last()
+
+      if(typeof reversed == 'undefined') c.reversed = !c.reversed
+      else c.reversed = reversed
+
+      return this
+    }
+
+
+    /**
+     * returns a float from 0-1 indicating the progress of the current animation
+     * @param eased Boolean indicating whether the returned position should be eased or not
+     * @return number
+     */
+  , progress: function(easeIt){
+      return easeIt ? this.situation.ease(this.pos) : this.pos
+    }
+
+    /**
+     * adds a callback function which is called when the current animation is finished
+     * @param fn Function which should be executed as callback
+     * @return number
+     */
+  , after: function(fn){
+      var c = this.last()
+        , wrapper = function wrapper(e){
+            if(e.detail.situation == c){
+              fn.call(this, c)
+              this.off('finished.fx', wrapper) // prevent memory leak
+            }
+          }
+
+      this.target().on('finished.fx', wrapper)
+
+      return this._callStart()
+    }
+
+    // adds a callback which is called whenever one animation step is performed
+  , during: function(fn){
+      var c = this.last()
+        , wrapper = function(e){
+            if(e.detail.situation == c){
+              fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, c)
+            }
+          }
+
+      // see above
+      this.target().off('during.fx', wrapper).on('during.fx', wrapper)
+
+      this.after(function(){
+        this.off('during.fx', wrapper)
+      })
+
+      return this._callStart()
+    }
+
+    // calls after ALL animations in the queue are finished
+  , afterAll: function(fn){
+      var wrapper = function wrapper(e){
+            fn.call(this)
+            this.off('allfinished.fx', wrapper)
+          }
+
+      // see above
+      this.target().off('allfinished.fx', wrapper).on('allfinished.fx', wrapper)
+
+      return this._callStart()
+    }
+
+    // calls on every animation step for all animations
+  , duringAll: function(fn){
+      var wrapper = function(e){
+            fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, e.detail.situation)
+          }
+
+      this.target().off('during.fx', wrapper).on('during.fx', wrapper)
+
+      this.afterAll(function(){
+        this.off('during.fx', wrapper)
+      })
+
+      return this._callStart()
+    }
+
+  , last: function(){
+      return this.situations.length ? this.situations[this.situations.length-1] : this.situation
+    }
+
+    // adds one property to the animations
+  , add: function(method, args, type){
+      this.last()[type || 'animations'][method] = args
+      return this._callStart()
+    }
+
+    /** perform one step of the animation
+     *  @param ignoreTime Boolean indicating whether to ignore time and use position directly or recalculate position based on time
+     *  @return this
+     */
+  , step: function(ignoreTime){
+
+      // convert current time to an absolute position
+      if(!ignoreTime) this.absPos = this.timeToAbsPos(+new Date)
+
+      // This part convert an absolute position to a position
+      if(this.situation.loops !== false) {
+        var absPos, absPosInt, lastLoop
+
+        // If the absolute position is below 0, we just treat it as if it was 0
+        absPos = Math.max(this.absPos, 0)
+        absPosInt = Math.floor(absPos)
+
+        if(this.situation.loops === true || absPosInt < this.situation.loops) {
+          this.pos = absPos - absPosInt
+          lastLoop = this.situation.loop
+          this.situation.loop = absPosInt
+        } else {
+          this.absPos = this.situation.loops
+          this.pos = 1
+          // The -1 here is because we don't want to toggle reversed when all the loops have been completed
+          lastLoop = this.situation.loop - 1
+          this.situation.loop = this.situation.loops
+        }
+
+        if(this.situation.reversing) {
+          // Toggle reversed if an odd number of loops as occured since the last call of step
+          this.situation.reversed = this.situation.reversed != Boolean((this.situation.loop - lastLoop) % 2)
+        }
+
+      } else {
+        // If there are no loop, the absolute position must not be above 1
+        this.absPos = Math.min(this.absPos, 1)
+        this.pos = this.absPos
+      }
+
+      // while the absolute position can be below 0, the position must not be below 0
+      if(this.pos < 0) this.pos = 0
+
+      if(this.situation.reversed) this.pos = 1 - this.pos
+
+
+      // apply easing
+      var eased = this.situation.ease(this.pos)
+
+      // call once-callbacks
+      for(var i in this.situation.once){
+        if(i > this.lastPos && i <= eased){
+          this.situation.once[i].call(this.target(), this.pos, eased)
+          delete this.situation.once[i]
+        }
+      }
+
+      // fire during callback with position, eased position and current situation as parameter
+      if(this.active) this.target().fire('during', {pos: this.pos, eased: eased, fx: this, situation: this.situation})
+
+      // the user may call stop or finish in the during callback
+      // so make sure that we still have a valid situation
+      if(!this.situation){
+        return this
+      }
+
+      // apply the actual animation to every property
+      this.eachAt()
+
+      // do final code when situation is finished
+      if((this.pos == 1 && !this.situation.reversed) || (this.situation.reversed && this.pos == 0)){
+
+        // stop animation callback
+        this.stopAnimFrame()
+
+        // fire finished callback with current situation as parameter
+        this.target().fire('finished', {fx:this, situation: this.situation})
+
+        if(!this.situations.length){
+          this.target().fire('allfinished')
+
+          // Recheck the length since the user may call animate in the afterAll callback
+          if(!this.situations.length){
+            this.target().off('.fx') // there shouldnt be any binding left, but to make sure...
+            this.active = false
+          }
+        }
+
+        // start next animation
+        if(this.active) this.dequeue()
+        else this.clearCurrent()
+
+      }else if(!this.paused && this.active){
+        // we continue animating when we are not at the end
+        this.startAnimFrame()
+      }
+
+      // save last eased position for once callback triggering
+      this.lastPos = eased
+      return this
+
+    }
+
+    // calculates the step for every property and calls block with it
+  , eachAt: function(){
+      var i, len, at, self = this, target = this.target(), s = this.situation
+
+      // apply animations which can be called trough a method
+      for(i in s.animations){
+
+        at = [].concat(s.animations[i]).map(function(el){
+          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target[i].apply(target, at)
+
+      }
+
+      // apply animation which has to be applied with attr()
+      for(i in s.attrs){
+
+        at = [i].concat(s.attrs[i]).map(function(el){
+          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target.attr.apply(target, at)
+
+      }
+
+      // apply animation which has to be applied with style()
+      for(i in s.styles){
+
+        at = [i].concat(s.styles[i]).map(function(el){
+          return typeof el !== 'string' && el.at ? el.at(s.ease(self.pos), self.pos) : el
+        })
+
+        target.style.apply(target, at)
+
+      }
+
+      // animate initialTransformation which has to be chained
+      if(s.transforms.length){
+
+        // get initial initialTransformation
+        at = s.initialTransformation
+        for(i = 0, len = s.transforms.length; i < len; i++){
+
+          // get next transformation in chain
+          var a = s.transforms[i]
+
+          // multiply matrix directly
+          if(a instanceof SVG.Matrix){
+
+            if(a.relative){
+              at = at.multiply(new SVG.Matrix().morph(a).at(s.ease(this.pos)))
+            }else{
+              at = at.morph(a).at(s.ease(this.pos))
+            }
+            continue
+          }
+
+          // when transformation is absolute we have to reset the needed transformation first
+          if(!a.relative)
+            a.undo(at.extract())
+
+          // and reapply it after
+          at = at.multiply(a.at(s.ease(this.pos)))
+
+        }
+
+        // set new matrix on element
+        target.matrix(at)
+      }
+
+      return this
+
+    }
+
+
+    // adds an once-callback which is called at a specific position and never again
+  , once: function(pos, fn, isEased){
+      var c = this.last()
+      if(!isEased) pos = c.ease(pos)
+
+      c.once[pos] = fn
+
+      return this
+    }
+
+  , _callStart: function() {
+      setTimeout(function(){this.start()}.bind(this), 0)
+      return this
+    }
+
+  }
+
+, parent: SVG.Element
+
+  // Add method to parent elements
+, construct: {
+    // Get fx module or create a new one, then animate with given duration and ease
+    animate: function(o, ease, delay) {
+      return (this.fx || (this.fx = new SVG.FX(this))).animate(o, ease, delay)
+    }
+  , delay: function(delay){
+      return (this.fx || (this.fx = new SVG.FX(this))).delay(delay)
+    }
+  , stop: function(jumpToEnd, clearQueue) {
+      if (this.fx)
+        this.fx.stop(jumpToEnd, clearQueue)
+
+      return this
+    }
+  , finish: function() {
+      if (this.fx)
+        this.fx.finish()
+
+      return this
+    }
+    // Pause current animation
+  , pause: function() {
+      if (this.fx)
+        this.fx.pause()
+
+      return this
+    }
+    // Play paused current animation
+  , play: function() {
+      if (this.fx)
+        this.fx.play()
+
+      return this
+    }
+    // Set/Get the speed of the animations
+  , speed: function(speed) {
+      if (this.fx)
+        if (speed == null)
+          return this.fx.speed()
+        else
+          this.fx.speed(speed)
+
+      return this
+    }
+  }
+
 })
-SVG.Mask = SVG.invent({

-  // Initialize node

-  create: function() {

-    this.constructor.call(this, SVG.create('mask'))

-

-    // keep references to masked elements

-    this.targets = []

-  }

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Unmask all masked elements and remove itself

-    remove: function() {

-      // unmask all targets

-      for (var i = this.targets.length - 1; i >= 0; i--)

-        if (this.targets[i])

-          this.targets[i].unmask()

-      this.targets = []

-

-      // remove mask from parent

-      this.parent().removeElement(this)

-

-      return this

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create masking element

-    mask: function() {

-      return this.defs().put(new SVG.Mask)

-    }

-  }

-})

-

-

-SVG.extend(SVG.Element, {

-  // Distribute mask to svg element

-  maskWith: function(element) {

-    // use given mask or create a new one

-    this.masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element)

-

-    // store reverence on self in mask

-    this.masker.targets.push(this)

-

-    // apply mask

-    return this.attr('mask', 'url("#' + this.masker.attr('id') + '")')

-  }

-  // Unmask element

-, unmask: function() {

-    delete this.masker

-    return this.attr('mask', null)

-  }

-

-})

-
-SVG.ClipPath = SVG.invent({

-  // Initialize node

-  create: function() {

-    this.constructor.call(this, SVG.create('clipPath'))

-

-    // keep references to clipped elements

-    this.targets = []

-  }

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Unclip all clipped elements and remove itself

-    remove: function() {

-      // unclip all targets

-      for (var i = this.targets.length - 1; i >= 0; i--)

-        if (this.targets[i])

-          this.targets[i].unclip()

-      this.targets = []

-

-      // remove clipPath from parent

-      this.parent().removeElement(this)

-

-      return this

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create clipping element

-    clip: function() {

-      return this.defs().put(new SVG.ClipPath)

-    }

-  }

-})

-

-//

-SVG.extend(SVG.Element, {

-  // Distribute clipPath to svg element

-  clipWith: function(element) {

-    // use given clip or create a new one

-    this.clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)

-

-    // store reverence on self in mask

-    this.clipper.targets.push(this)

-

-    // apply mask

-    return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")')

-  }

-  // Unclip element

-, unclip: function() {

-    delete this.clipper

-    return this.attr('clip-path', null)

-  }

-

+
+// MorphObj is used whenever no morphable object is given
+SVG.MorphObj = SVG.invent({
+
+  create: function(from, to){
+    // prepare color for morphing
+    if(SVG.Color.isColor(to)) return new SVG.Color(from).morph(to)
+    // prepare value list for morphing
+    if(SVG.regex.delimiter.test(from)) return new SVG.Array(from).morph(to)
+    // prepare number for morphing
+    if(SVG.regex.numberAndUnit.test(to)) return new SVG.Number(from).morph(to)
+
+    // prepare for plain morphing
+    this.value = from
+    this.destination = to
+  }
+
+, extend: {
+    at: function(pos, real){
+      return real < 1 ? this.value : this.destination
+    },
+
+    valueOf: function(){
+      return this.value
+    }
+  }
+
 })
-SVG.Gradient = SVG.invent({

-  // Initialize node

-  create: function(type) {

-    this.constructor.call(this, SVG.create(type + 'Gradient'))

-

-    // store type

-    this.type = type

-  }

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Add a color stop

-    at: function(offset, color, opacity) {

-      return this.put(new SVG.Stop).update(offset, color, opacity)

-    }

-    // Update gradient

-  , update: function(block) {

-      // remove all stops

-      this.clear()

-

-      // invoke passed block

-      if (typeof block == 'function')

-        block.call(this, this)

-

-      return this

-    }

-    // Return the fill id

-  , fill: function() {

-      return 'url(#' + this.id() + ')'

-    }

-    // Alias string convertion to fill

-  , toString: function() {

-      return this.fill()

-    }

-    // custom attr to handle transform

-  , attr: function(a, b, c) {

-      if(a == 'transform') a = 'gradientTransform'

-      return SVG.Container.prototype.attr.call(this, a, b, c)

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create gradient element in defs

-    gradient: function(type, block) {

-      return this.defs().gradient(type, block)

-    }

-  }

-})

-

-// Add animatable methods to both gradient and fx module

-SVG.extend(SVG.Gradient, SVG.FX, {

-  // From position

-  from: function(x, y) {

-    return (this._target || this).type == 'radial' ?

-      this.attr({ fx: new SVG.Number(x), fy: new SVG.Number(y) }) :

-      this.attr({ x1: new SVG.Number(x), y1: new SVG.Number(y) })

-  }

-  // To position

-, to: function(x, y) {

-    return (this._target || this).type == 'radial' ?

-      this.attr({ cx: new SVG.Number(x), cy: new SVG.Number(y) }) :

-      this.attr({ x2: new SVG.Number(x), y2: new SVG.Number(y) })

-  }

-})

-

-// Base gradient generation

-SVG.extend(SVG.Defs, {

-  // define gradient

-  gradient: function(type, block) {

-    return this.put(new SVG.Gradient(type)).update(block)

-  }

-

-})

-

-SVG.Stop = SVG.invent({

-  // Initialize node

-  create: 'stop'

-

-  // Inherit from

-, inherit: SVG.Element

-

-  // Add class methods

-, extend: {

-    // add color stops

-    update: function(o) {

-      if (typeof o == 'number' || o instanceof SVG.Number) {

-        o = {

-          offset:  arguments[0]

-        , color:   arguments[1]

-        , opacity: arguments[2]

-        }

-      }

-

-      // set attributes

-      if (o.opacity != null) this.attr('stop-opacity', o.opacity)

-      if (o.color   != null) this.attr('stop-color', o.color)

-      if (o.offset  != null) this.attr('offset', new SVG.Number(o.offset))

-

-      return this

-    }

-  }

-

-})

-
-SVG.Pattern = SVG.invent({

-  // Initialize node

-  create: 'pattern'

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Return the fill id

-    fill: function() {

-      return 'url(#' + this.id() + ')'

-    }

-    // Update pattern by rebuilding

-  , update: function(block) {

-      // remove content

-      this.clear()

-

-      // invoke passed block

-      if (typeof block == 'function')

-        block.call(this, this)

-

-      return this

-    }

-    // Alias string convertion to fill

-  , toString: function() {

-      return this.fill()

-    }

-    // custom attr to handle transform

-  , attr: function(a, b, c) {

-      if(a == 'transform') a = 'patternTransform'

-      return SVG.Container.prototype.attr.call(this, a, b, c)

-    }

-

-  }

-

-  // Add parent method

-, construct: {

-    // Create pattern element in defs

-    pattern: function(width, height, block) {

-      return this.defs().pattern(width, height, block)

-    }

-  }

-})

-

-SVG.extend(SVG.Defs, {

-  // Define gradient

-  pattern: function(width, height, block) {

-    return this.put(new SVG.Pattern).update(block).attr({

-      x:            0

-    , y:            0

-    , width:        width

-    , height:       height

-    , patternUnits: 'userSpaceOnUse'

-    })

-  }

-

+
+SVG.extend(SVG.FX, {
+  // Add animatable attributes
+  attr: function(a, v, relative) {
+    // apply attributes individually
+    if (typeof a == 'object') {
+      for (var key in a)
+        this.attr(key, a[key])
+
+    } else {
+      this.add(a, v, 'attrs')
+    }
+
+    return this
+  }
+  // Add animatable styles
+, style: function(s, v) {
+    if (typeof s == 'object')
+      for (var key in s)
+        this.style(key, s[key])
+
+    else
+      this.add(s, v, 'styles')
+
+    return this
+  }
+  // Animatable x-axis
+, x: function(x, relative) {
+    if(this.target() instanceof SVG.G){
+      this.transform({x:x}, relative)
+      return this
+    }
+
+    var num = new SVG.Number(x)
+    num.relative = relative
+    return this.add('x', num)
+  }
+  // Animatable y-axis
+, y: function(y, relative) {
+    if(this.target() instanceof SVG.G){
+      this.transform({y:y}, relative)
+      return this
+    }
+
+    var num = new SVG.Number(y)
+    num.relative = relative
+    return this.add('y', num)
+  }
+  // Animatable center x-axis
+, cx: function(x) {
+    return this.add('cx', new SVG.Number(x))
+  }
+  // Animatable center y-axis
+, cy: function(y) {
+    return this.add('cy', new SVG.Number(y))
+  }
+  // Add animatable move
+, move: function(x, y) {
+    return this.x(x).y(y)
+  }
+  // Add animatable center
+, center: function(x, y) {
+    return this.cx(x).cy(y)
+  }
+  // Add animatable size
+, size: function(width, height) {
+    if (this.target() instanceof SVG.Text) {
+      // animate font size for Text elements
+      this.attr('font-size', width)
+
+    } else {
+      // animate bbox based size for all other elements
+      var box
+
+      if(!width || !height){
+        box = this.target().bbox()
+      }
+
+      if(!width){
+        width = box.width / box.height  * height
+      }
+
+      if(!height){
+        height = box.height / box.width  * width
+      }
+
+      this.add('width' , new SVG.Number(width))
+          .add('height', new SVG.Number(height))
+
+    }
+
+    return this
+  }
+  // Add animatable width
+, width: function(width) {
+    return this.add('width', new SVG.Number(width))
+  }
+  // Add animatable height
+, height: function(height) {
+    return this.add('height', new SVG.Number(height))
+  }
+  // Add animatable plot
+, plot: function(a, b, c, d) {
+    // Lines can be plotted with 4 arguments
+    if(arguments.length == 4) {
+      return this.plot([a, b, c, d])
+    }
+
+    return this.add('plot', new (this.target().morphArray)(a))
+  }
+  // Add leading method
+, leading: function(value) {
+    return this.target().leading ?
+      this.add('leading', new SVG.Number(value)) :
+      this
+  }
+  // Add animatable viewbox
+, viewbox: function(x, y, width, height) {
+    if (this.target() instanceof SVG.Container) {
+      this.add('viewbox', new SVG.ViewBox(x, y, width, height))
+    }
+
+    return this
+  }
+, update: function(o) {
+    if (this.target() instanceof SVG.Stop) {
+      if (typeof o == 'number' || o instanceof SVG.Number) {
+        return this.update({
+          offset:  arguments[0]
+        , color:   arguments[1]
+        , opacity: arguments[2]
+        })
+      }
+
+      if (o.opacity != null) this.attr('stop-opacity', o.opacity)
+      if (o.color   != null) this.attr('stop-color', o.color)
+      if (o.offset  != null) this.attr('offset', o.offset)
+    }
+
+    return this
+  }
 })
-SVG.Doc = SVG.invent({

-  // Initialize node

-  create: function(element) {

-    if (element) {

-      // ensure the presence of a dom element

-      element = typeof element == 'string' ?

-        document.getElementById(element) :

-        element

-

-      // If the target is an svg element, use that element as the main wrapper.

-      // This allows svg.js to work with svg documents as well.

-      if (element.nodeName == 'svg') {

-        this.constructor.call(this, element)

-      } else {

-        this.constructor.call(this, SVG.create('svg'))

-        element.appendChild(this.node)

-        this.size('100%', '100%')

-      }

-

-      // set svg element attributes and ensure defs node

-      this.namespace().defs()

-    }

-  }

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Add namespaces

-    namespace: function() {

-      return this

-        .attr({ xmlns: SVG.ns, version: '1.1' })

-        .attr('xmlns:xlink', SVG.xlink, SVG.xmlns)

-        .attr('xmlns:svgjs', SVG.svgjs, SVG.xmlns)

-    }

-    // Creates and returns defs element

-  , defs: function() {

-      if (!this._defs) {

-        var defs

-

-        // Find or create a defs element in this instance

-        if (defs = this.node.getElementsByTagName('defs')[0])

-          this._defs = SVG.adopt(defs)

-        else

-          this._defs = new SVG.Defs

-

-        // Make sure the defs node is at the end of the stack

-        this.node.appendChild(this._defs.node)

-      }

-

-      return this._defs

-    }

-    // custom parent method

-  , parent: function() {

-      return this.node.parentNode.nodeName == '#document' ? null : this.node.parentNode

-    }

-    // Fix for possible sub-pixel offset. See:

-    // https://bugzilla.mozilla.org/show_bug.cgi?id=608812

-  , spof: function() {

-      var pos = this.node.getScreenCTM()

-

-      if (pos)

-        this

-          .style('left', (-pos.e % 1) + 'px')

-          .style('top',  (-pos.f % 1) + 'px')

-

-      return this

-    }

-

-      // Removes the doc from the DOM

-  , remove: function() {

-      if(this.parent()) {

-        this.parent().removeChild(this.node)

-      }

-

-      return this

-    }

-  , clear: function() {

-      // remove children

-      while(this.node.hasChildNodes())

-        this.node.removeChild(this.node.lastChild)

-

-      // remove defs reference

-      delete this._defs

-

-      // add back parser

-      if(!SVG.parser.draw.parentNode)

-        this.node.appendChild(SVG.parser.draw)

-

-      return this

-    }

-  }

-

-})

-
-SVG.Shape = SVG.invent({

-  // Initialize node

-  create: function(element) {

-    this.constructor.call(this, element)

-  }

-

-  // Inherit from

-, inherit: SVG.Element

-

+
+SVG.Box = SVG.invent({
+  create: function(x, y, width, height) {
+    if (typeof x == 'object' && !(x instanceof SVG.Element)) {
+      // chromes getBoundingClientRect has no x and y property
+      return SVG.Box.call(this, x.left != null ? x.left : x.x , x.top != null ? x.top : x.y, x.width, x.height)
+    } else if (arguments.length == 4) {
+      this.x = x
+      this.y = y
+      this.width = width
+      this.height = height
+    }
+
+    // add center, right, bottom...
+    fullBox(this)
+  }
+, extend: {
+    // Merge rect box with another, return a new instance
+    merge: function(box) {
+      var b = new this.constructor()
+
+      // merge boxes
+      b.x      = Math.min(this.x, box.x)
+      b.y      = Math.min(this.y, box.y)
+      b.width  = Math.max(this.x + this.width,  box.x + box.width)  - b.x
+      b.height = Math.max(this.y + this.height, box.y + box.height) - b.y
+
+      return fullBox(b)
+    }
+
+  , transform: function(m) {
+      var xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, p, bbox
+
+      var pts = [
+        new SVG.Point(this.x, this.y),
+        new SVG.Point(this.x2, this.y),
+        new SVG.Point(this.x, this.y2),
+        new SVG.Point(this.x2, this.y2)
+      ]
+
+      pts.forEach(function(p) {
+        p = p.transform(m)
+        xMin = Math.min(xMin,p.x)
+        xMax = Math.max(xMax,p.x)
+        yMin = Math.min(yMin,p.y)
+        yMax = Math.max(yMax,p.y)
+      })
+
+      bbox = new this.constructor()
+      bbox.x = xMin
+      bbox.width = xMax-xMin
+      bbox.y = yMin
+      bbox.height = yMax-yMin
+
+      fullBox(bbox)
+
+      return bbox
+    }
+  }
 })
-

-SVG.Bare = SVG.invent({

-  // Initialize

-  create: function(element, inherit) {

-    // construct element

-    this.constructor.call(this, SVG.create(element))

-

-    // inherit custom methods

-    if (inherit)

-      for (var method in inherit.prototype)

-        if (typeof inherit.prototype[method] === 'function')

-          this[method] = inherit.prototype[method]

-  }

-

-  // Inherit from

-, inherit: SVG.Element

-

-  // Add methods

-, extend: {

-    // Insert some plain text

-    words: function(text) {

-      // remove contents

-      while (this.node.hasChildNodes())

-        this.node.removeChild(this.node.lastChild)

-

-      // create text node

-      this.node.appendChild(document.createTextNode(text))

-

-      return this

-    }

-  }

-})

-

-

-SVG.extend(SVG.Parent, {

-  // Create an element that is not described by SVG.js

-  element: function(element, inherit) {

-    return this.put(new SVG.Bare(element, inherit))

-  }

-})

-
-SVG.Symbol = SVG.invent({

-  // Initialize node

-  create: 'symbol'

-

-  // Inherit from

-, inherit: SVG.Container

-

-, construct: {

-    // create symbol

-    symbol: function() {

-      return this.put(new SVG.Symbol)

-    }

-  }

-})

-
-SVG.Use = SVG.invent({

-  // Initialize node

-  create: 'use'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // Use element as a reference

-    element: function(element, file) {

-      // Set lined element

-      return this.attr('href', (file || '') + '#' + element, SVG.xlink)

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create a use element

-    use: function(element, file) {

-      return this.put(new SVG.Use).element(element, file)

-    }

-  }

+
+SVG.BBox = SVG.invent({
+  // Initialize
+  create: function(element) {
+    SVG.Box.apply(this, [].slice.call(arguments))
+
+    // get values if element is given
+    if (element instanceof SVG.Element) {
+      var box
+
+      // yes this is ugly, but Firefox can be a pain when it comes to elements that are not yet rendered
+      try {
+
+        if (!document.documentElement.contains){
+          // This is IE - it does not support contains() for top-level SVGs
+          var topParent = element.node
+          while (topParent.parentNode){
+            topParent = topParent.parentNode
+          }
+          if (topParent != document) throw new Exception('Element not in the dom')
+        } else {
+          // the element is NOT in the dom, throw error
+          if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom')
+        }
+
+        // find native bbox
+        box = element.node.getBBox()
+      } catch(e) {
+        if(element instanceof SVG.Shape){
+          var clone = element.clone(SVG.parser.draw.instance).show()
+          box = clone.node.getBBox()
+          clone.remove()
+        }else{
+          box = {
+            x:      element.node.clientLeft
+          , y:      element.node.clientTop
+          , width:  element.node.clientWidth
+          , height: element.node.clientHeight
+          }
+        }
+      }
+
+      SVG.Box.call(this, box)
+    }
+
+  }
+
+  // Define ancestor
+, inherit: SVG.Box
+
+  // Define Parent
+, parent: SVG.Element
+
+  // Constructor
+, construct: {
+    // Get bounding box
+    bbox: function() {
+      return new SVG.BBox(this)
+    }
+  }
+
 })
-SVG.Rect = SVG.invent({

-  // Initialize node

-  create: 'rect'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add parent method

-, construct: {

-    // Create a rect element

-    rect: function(width, height) {

-      return this.put(new SVG.Rect()).size(width, height)

-    }

-  }

+
+SVG.BBox.prototype.constructor = SVG.BBox
+
+
+SVG.extend(SVG.Element, {
+  tbox: function(){
+    console.warn('Use of TBox is deprecated and mapped to RBox. Use .rbox() instead.')
+    return this.rbox(this.doc())
+  }
 })
-SVG.Circle = SVG.invent({

-  // Initialize node

-  create: 'circle'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add parent method

-, construct: {

-    // Create circle element, based on ellipse

-    circle: function(size) {

-      return this.put(new SVG.Circle).rx(new SVG.Number(size).divide(2)).move(0, 0)

-    }

-  }

-})

-

-SVG.extend(SVG.Circle, SVG.FX, {

-  // Radius x value

-  rx: function(rx) {

-    return this.attr('r', rx)

-  }

-  // Alias radius x value

-, ry: function(ry) {

-    return this.rx(ry)

-  }

-})

-

-SVG.Ellipse = SVG.invent({

-  // Initialize node

-  create: 'ellipse'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add parent method

-, construct: {

-    // Create an ellipse

-    ellipse: function(width, height) {

-      return this.put(new SVG.Ellipse).size(width, height).move(0, 0)

-    }

-  }

-})

-

-SVG.extend(SVG.Ellipse, SVG.Rect, SVG.FX, {

-  // Radius x value

-  rx: function(rx) {

-    return this.attr('rx', rx)

-  }

-  // Radius y value

-, ry: function(ry) {

-    return this.attr('ry', ry)

-  }

-})

-

-// Add common method

-SVG.extend(SVG.Circle, SVG.Ellipse, {

-    // Move over x-axis

-    x: function(x) {

-      return x == null ? this.cx() - this.rx() : this.cx(x + this.rx())

-    }

-    // Move over y-axis

-  , y: function(y) {

-      return y == null ? this.cy() - this.ry() : this.cy(y + this.ry())

-    }

-    // Move by center over x-axis

-  , cx: function(x) {

-      return x == null ? this.attr('cx') : this.attr('cx', x)

-    }

-    // Move by center over y-axis

-  , cy: function(y) {

-      return y == null ? this.attr('cy') : this.attr('cy', y)

-    }

-    // Set width of element

-  , width: function(width) {

-      return width == null ? this.rx() * 2 : this.rx(new SVG.Number(width).divide(2))

-    }

-    // Set height of element

-  , height: function(height) {

-      return height == null ? this.ry() * 2 : this.ry(new SVG.Number(height).divide(2))

-    }

-    // Custom size function

-  , size: function(width, height) {

-      var p = proportionalSize(this, width, height)

-

-      return this

-        .rx(new SVG.Number(p.width).divide(2))

-        .ry(new SVG.Number(p.height).divide(2))

-    }

+
+SVG.RBox = SVG.invent({
+  // Initialize
+  create: function(element) {
+    SVG.Box.apply(this, [].slice.call(arguments))
+
+    if (element instanceof SVG.Element) {
+      SVG.Box.call(this, element.node.getBoundingClientRect())
+    }
+  }
+
+, inherit: SVG.Box
+
+  // define Parent
+, parent: SVG.Element
+
+, extend: {
+    addOffset: function() {
+      // offset by window scroll position, because getBoundingClientRect changes when window is scrolled
+      this.x += window.pageXOffset
+      this.y += window.pageYOffset
+      return this
+    }
+  }
+
+  // Constructor
+, construct: {
+    // Get rect box
+    rbox: function(el) {
+      if (el) return new SVG.RBox(this).transform(el.screenCTM().inverse())
+      return new SVG.RBox(this).addOffset()
+    }
+  }
+
 })
-SVG.Line = SVG.invent({

-  // Initialize node

-  create: 'line'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // Get array

-    array: function() {

-      return new SVG.PointArray([

-        [ this.attr('x1'), this.attr('y1') ]

-      , [ this.attr('x2'), this.attr('y2') ]

-      ])

-    }

-    // Overwrite native plot() method

-  , plot: function(x1, y1, x2, y2) {

-      if (x1 == null)

-        return this.array()

-      else if (typeof y1 !== 'undefined')

-        x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }

-      else

-        x1 = new SVG.PointArray(x1).toLine()

-

-      return this.attr(x1)

-    }

-    // Move by left top corner

-  , move: function(x, y) {

-      return this.attr(this.array().move(x, y).toLine())

-    }

-    // Set element size to given width and height

-  , size: function(width, height) {

-      var p = proportionalSize(this, width, height)

-

-      return this.attr(this.array().size(p.width, p.height).toLine())

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create a line element

-    line: function(x1, y1, x2, y2) {

-      // make sure plot is called as a setter

-      // x1 is not necessarily a number, it can also be an array, a string and a SVG.PointArray

-      return SVG.Line.prototype.plot.apply(

-        this.put(new SVG.Line)

-      , x1 != null ? [x1, y1, x2, y2] : [0, 0, 0, 0]

-      )

-    }

-  }

-})

-
-SVG.Polyline = SVG.invent({

-  // Initialize node

-  create: 'polyline'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add parent method

-, construct: {

-    // Create a wrapped polyline element

-    polyline: function(p) {

-      // make sure plot is called as a setter

-      return this.put(new SVG.Polyline).plot(p || new SVG.PointArray)

-    }

-  }

-})

-

-SVG.Polygon = SVG.invent({

-  // Initialize node

-  create: 'polygon'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add parent method

-, construct: {

-    // Create a wrapped polygon element

-    polygon: function(p) {

-      // make sure plot is called as a setter

-      return this.put(new SVG.Polygon).plot(p || new SVG.PointArray)

-    }

-  }

-})

-

-// Add polygon-specific functions

-SVG.extend(SVG.Polyline, SVG.Polygon, {

-  // Get array

-  array: function() {

-    return this._array || (this._array = new SVG.PointArray(this.attr('points')))

-  }

-  // Plot new path

-, plot: function(p) {

-    return (p == null) ?

-      this.array() :

-      this.clear().attr('points', typeof p == 'string' ? p : (this._array = new SVG.PointArray(p)))

-  }

-  // Clear array cache

-, clear: function() {

-    delete this._array

-    return this

-  }

-  // Move by left top corner

-, move: function(x, y) {

-    return this.attr('points', this.array().move(x, y))

-  }

-  // Set element size to given width and height

-, size: function(width, height) {

-    var p = proportionalSize(this, width, height)

-

-    return this.attr('points', this.array().size(p.width, p.height))

-  }

-

-})

-
-// unify all point to point elements

-SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, {

-  // Define morphable array

-  morphArray:  SVG.PointArray

-  // Move by left top corner over x-axis

-, x: function(x) {

-    return x == null ? this.bbox().x : this.move(x, this.bbox().y)

-  }

-  // Move by left top corner over y-axis

-, y: function(y) {

-    return y == null ? this.bbox().y : this.move(this.bbox().x, y)

-  }

-  // Set width of element

-, width: function(width) {

-    var b = this.bbox()

-

-    return width == null ? b.width : this.size(width, b.height)

-  }

-  // Set height of element

-, height: function(height) {

-    var b = this.bbox()

-

-    return height == null ? b.height : this.size(b.width, height)

-  }

+
+SVG.RBox.prototype.constructor = SVG.RBox
+
+SVG.Matrix = SVG.invent({
+  // Initialize
+  create: function(source) {
+    var i, base = arrayToMatrix([1, 0, 0, 1, 0, 0])
+
+    // ensure source as object
+    source = source instanceof SVG.Element ?
+      source.matrixify() :
+    typeof source === 'string' ?
+      arrayToMatrix(source.split(SVG.regex.delimiter).map(parseFloat)) :
+    arguments.length == 6 ?
+      arrayToMatrix([].slice.call(arguments)) :
+    Array.isArray(source) ?
+      arrayToMatrix(source) :
+    typeof source === 'object' ?
+      source : base
+
+    // merge source
+    for (i = abcdef.length - 1; i >= 0; --i)
+      this[abcdef[i]] = source[abcdef[i]] != null ?
+        source[abcdef[i]] : base[abcdef[i]]
+  }
+
+  // Add methods
+, extend: {
+    // Extract individual transformations
+    extract: function() {
+      // find delta transform points
+      var px    = deltaTransformPoint(this, 0, 1)
+        , py    = deltaTransformPoint(this, 1, 0)
+        , skewX = 180 / Math.PI * Math.atan2(px.y, px.x) - 90
+
+      return {
+        // translation
+        x:        this.e
+      , y:        this.f
+      , transformedX:(this.e * Math.cos(skewX * Math.PI / 180) + this.f * Math.sin(skewX * Math.PI / 180)) / Math.sqrt(this.a * this.a + this.b * this.b)
+      , transformedY:(this.f * Math.cos(skewX * Math.PI / 180) + this.e * Math.sin(-skewX * Math.PI / 180)) / Math.sqrt(this.c * this.c + this.d * this.d)
+        // skew
+      , skewX:    -skewX
+      , skewY:    180 / Math.PI * Math.atan2(py.y, py.x)
+        // scale
+      , scaleX:   Math.sqrt(this.a * this.a + this.b * this.b)
+      , scaleY:   Math.sqrt(this.c * this.c + this.d * this.d)
+        // rotation
+      , rotation: skewX
+      , a: this.a
+      , b: this.b
+      , c: this.c
+      , d: this.d
+      , e: this.e
+      , f: this.f
+      , matrix: new SVG.Matrix(this)
+      }
+    }
+    // Clone matrix
+  , clone: function() {
+      return new SVG.Matrix(this)
+    }
+    // Morph one matrix into another
+  , morph: function(matrix) {
+      // store new destination
+      this.destination = new SVG.Matrix(matrix)
+
+      return this
+    }
+    // Get morphed matrix at a given position
+  , at: function(pos) {
+      // make sure a destination is defined
+      if (!this.destination) return this
+
+      // calculate morphed matrix at a given position
+      var matrix = new SVG.Matrix({
+        a: this.a + (this.destination.a - this.a) * pos
+      , b: this.b + (this.destination.b - this.b) * pos
+      , c: this.c + (this.destination.c - this.c) * pos
+      , d: this.d + (this.destination.d - this.d) * pos
+      , e: this.e + (this.destination.e - this.e) * pos
+      , f: this.f + (this.destination.f - this.f) * pos
+      })
+
+      return matrix
+    }
+    // Multiplies by given matrix
+  , multiply: function(matrix) {
+      return new SVG.Matrix(this.native().multiply(parseMatrix(matrix).native()))
+    }
+    // Inverses matrix
+  , inverse: function() {
+      return new SVG.Matrix(this.native().inverse())
+    }
+    // Translate matrix
+  , translate: function(x, y) {
+      return new SVG.Matrix(this.native().translate(x || 0, y || 0))
+    }
+    // Scale matrix
+  , scale: function(x, y, cx, cy) {
+      // support uniformal scale
+      if (arguments.length == 1) {
+        y = x
+      } else if (arguments.length == 3) {
+        cy = cx
+        cx = y
+        y = x
+      }
+
+      return this.around(cx, cy, new SVG.Matrix(x, 0, 0, y, 0, 0))
+    }
+    // Rotate matrix
+  , rotate: function(r, cx, cy) {
+      // convert degrees to radians
+      r = SVG.utils.radians(r)
+
+      return this.around(cx, cy, new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0))
+    }
+    // Flip matrix on x or y, at a given offset
+  , flip: function(a, o) {
+      return a == 'x' ?
+          this.scale(-1, 1, o, 0) :
+        a == 'y' ?
+          this.scale(1, -1, 0, o) :
+          this.scale(-1, -1, a, o != null ? o : a)
+    }
+    // Skew
+  , skew: function(x, y, cx, cy) {
+      // support uniformal skew
+      if (arguments.length == 1) {
+        y = x
+      } else if (arguments.length == 3) {
+        cy = cx
+        cx = y
+        y = x
+      }
+
+      // convert degrees to radians
+      x = SVG.utils.radians(x)
+      y = SVG.utils.radians(y)
+
+      return this.around(cx, cy, new SVG.Matrix(1, Math.tan(y), Math.tan(x), 1, 0, 0))
+    }
+    // SkewX
+  , skewX: function(x, cx, cy) {
+      return this.skew(x, 0, cx, cy)
+    }
+    // SkewY
+  , skewY: function(y, cx, cy) {
+      return this.skew(0, y, cx, cy)
+    }
+    // Transform around a center point
+  , around: function(cx, cy, matrix) {
+      return this
+        .multiply(new SVG.Matrix(1, 0, 0, 1, cx || 0, cy || 0))
+        .multiply(matrix)
+        .multiply(new SVG.Matrix(1, 0, 0, 1, -cx || 0, -cy || 0))
+    }
+    // Convert to native SVGMatrix
+  , native: function() {
+      // create new matrix
+      var matrix = SVG.parser.native.createSVGMatrix()
+
+      // update with current values
+      for (var i = abcdef.length - 1; i >= 0; i--)
+        matrix[abcdef[i]] = this[abcdef[i]]
+
+      return matrix
+    }
+    // Convert matrix to string
+  , toString: function() {
+      return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')'
+    }
+  }
+
+  // Define parent
+, parent: SVG.Element
+
+  // Add parent method
+, construct: {
+    // Get current matrix
+    ctm: function() {
+      return new SVG.Matrix(this.node.getCTM())
+    },
+    // Get current screen matrix
+    screenCTM: function() {
+      /* https://bugzilla.mozilla.org/show_bug.cgi?id=1344537
+         This is needed because FF does not return the transformation matrix
+         for the inner coordinate system when getScreenCTM() is called on nested svgs.
+         However all other Browsers do that */
+      if(this instanceof SVG.Nested) {
+        var rect = this.rect(1,1)
+        var m = rect.node.getScreenCTM()
+        rect.remove()
+        return new SVG.Matrix(m)
+      }
+      return new SVG.Matrix(this.node.getScreenCTM())
+    }
+
+  }
+
 })
-SVG.Path = SVG.invent({

-  // Initialize node

-  create: 'path'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // Define morphable array

-    morphArray:  SVG.PathArray

-    // Get array

-  , array: function() {

-      return this._array || (this._array = new SVG.PathArray(this.attr('d')))

-    }

-    // Plot new path

-  , plot: function(d) {

-      return (d == null) ?

-        this.array() :

-        this.clear().attr('d', typeof d == 'string' ? d : (this._array = new SVG.PathArray(d)))

-    }

-    // Clear array cache

-  , clear: function() {

-      delete this._array

-      return this

-    }

-    // Move by left top corner

-  , move: function(x, y) {

-      return this.attr('d', this.array().move(x, y))

-    }

-    // Move by left top corner over x-axis

-  , x: function(x) {

-      return x == null ? this.bbox().x : this.move(x, this.bbox().y)

-    }

-    // Move by left top corner over y-axis

-  , y: function(y) {

-      return y == null ? this.bbox().y : this.move(this.bbox().x, y)

-    }

-    // Set element size to given width and height

-  , size: function(width, height) {

-      var p = proportionalSize(this, width, height)

-

-      return this.attr('d', this.array().size(p.width, p.height))

-    }

-    // Set width of element

-  , width: function(width) {

-      return width == null ? this.bbox().width : this.size(width, this.bbox().height)

-    }

-    // Set height of element

-  , height: function(height) {

-      return height == null ? this.bbox().height : this.size(this.bbox().width, height)

-    }

-

-  }

-

-  // Add parent method

-, construct: {

-    // Create a wrapped path element

-    path: function(d) {

-      // make sure plot is called as a setter

-      return this.put(new SVG.Path).plot(d || new SVG.PathArray)

-    }

-  }

-})

-
-SVG.Image = SVG.invent({

-  // Initialize node

-  create: 'image'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // (re)load image

-    load: function(url) {

-      if (!url) return this

-

-      var self = this

-        , img  = new window.Image()

-

-      // preload image

-      SVG.on(img, 'load', function() {

-        var p = self.parent(SVG.Pattern)

-

-        if(p === null) return

-

-        // ensure image size

-        if (self.width() == 0 && self.height() == 0)

-          self.size(img.width, img.height)

-

-        // ensure pattern size if not set

-        if (p && p.width() == 0 && p.height() == 0)

-          p.size(self.width(), self.height())

-

-        // callback

-        if (typeof self._loaded === 'function')

-          self._loaded.call(self, {

-            width:  img.width

-          , height: img.height

-          , ratio:  img.width / img.height

-          , url:    url

-          })

-      })

-

-      SVG.on(img, 'error', function(e){

-        if (typeof self._error === 'function'){

-            self._error.call(self, e)

-        }

-      })

-

-      return this.attr('href', (img.src = this.src = url), SVG.xlink)

-    }

-    // Add loaded callback

-  , loaded: function(loaded) {

-      this._loaded = loaded

-      return this

-    }

-

-  , error: function(error) {

-      this._error = error

-      return this

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // create image element, load image and set its size

-    image: function(source, width, height) {

-      return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0)

-    }

-  }

-

+
+SVG.Point = SVG.invent({
+  // Initialize
+  create: function(x,y) {
+    var i, source, base = {x:0, y:0}
+
+    // ensure source as object
+    source = Array.isArray(x) ?
+      {x:x[0], y:x[1]} :
+    typeof x === 'object' ?
+      {x:x.x, y:x.y} :
+    x != null ?
+      {x:x, y:(y != null ? y : x)} : base // If y has no value, then x is used has its value
+
+    // merge source
+    this.x = source.x
+    this.y = source.y
+  }
+
+  // Add methods
+, extend: {
+    // Clone point
+    clone: function() {
+      return new SVG.Point(this)
+    }
+    // Morph one point into another
+  , morph: function(x, y) {
+      // store new destination
+      this.destination = new SVG.Point(x, y)
+
+      return this
+    }
+    // Get morphed point at a given position
+  , at: function(pos) {
+      // make sure a destination is defined
+      if (!this.destination) return this
+
+      // calculate morphed matrix at a given position
+      var point = new SVG.Point({
+        x: this.x + (this.destination.x - this.x) * pos
+      , y: this.y + (this.destination.y - this.y) * pos
+      })
+
+      return point
+    }
+    // Convert to native SVGPoint
+  , native: function() {
+      // create new point
+      var point = SVG.parser.native.createSVGPoint()
+
+      // update with current values
+      point.x = this.x
+      point.y = this.y
+
+      return point
+    }
+    // transform point with matrix
+  , transform: function(matrix) {
+      return new SVG.Point(this.native().matrixTransform(matrix.native()))
+    }
+
+  }
+
 })
-SVG.Text = SVG.invent({

-  // Initialize node

-  create: function() {

-    this.constructor.call(this, SVG.create('text'))

-

-    this.dom.leading = new SVG.Number(1.3)    // store leading value for rebuilding

-    this._rebuild = true                      // enable automatic updating of dy values

-    this._build   = false                     // disable build mode for adding multiple lines

-

-    // set default font

-    this.attr('font-family', SVG.defaults.attrs['font-family'])

-  }

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // Move over x-axis

-    x: function(x) {

-      // act as getter

-      if (x == null)

-        return this.attr('x')

-

-      return this.attr('x', x)

-    }

-    // Move over y-axis

-  , y: function(y) {

-      var oy = this.attr('y')

-        , o  = typeof oy === 'number' ? oy - this.bbox().y : 0

-

-      // act as getter

-      if (y == null)

-        return typeof oy === 'number' ? oy - o : oy

-

-      return this.attr('y', typeof y === 'number' ? y + o : y)

-    }

-    // Move center over x-axis

-  , cx: function(x) {

-      return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2)

-    }

-    // Move center over y-axis

-  , cy: function(y) {

-      return y == null ? this.bbox().cy : this.y(y - this.bbox().height / 2)

-    }

-    // Set the text content

-  , text: function(text) {

-      // act as getter

-      if (typeof text === 'undefined'){

-        var text = ''

-        var children = this.node.childNodes

-        for(var i = 0, len = children.length; i < len; ++i){

-

-          // add newline if its not the first child and newLined is set to true

-          if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){

-            text += '\n'

-          }

-

-          // add content of this node

-          text += children[i].textContent

-        }

-

-        return text

-      }

-

-      // remove existing content

-      this.clear().build(true)

-

-      if (typeof text === 'function') {

-        // call block

-        text.call(this, this)

-

-      } else {

-        // store text and make sure text is not blank

-        text = text.split('\n')

-

-        // build new lines

-        for (var i = 0, il = text.length; i < il; i++)

-          this.tspan(text[i]).newLine()

-      }

-

-      // disable build mode and rebuild lines

-      return this.build(false).rebuild()

-    }

-    // Set font size

-  , size: function(size) {

-      return this.attr('font-size', size).rebuild()

-    }

-    // Set / get leading

-  , leading: function(value) {

-      // act as getter

-      if (value == null)

-        return this.dom.leading

-

-      // act as setter

-      this.dom.leading = new SVG.Number(value)

-

-      return this.rebuild()

-    }

-    // Get all the first level lines

-  , lines: function() {

-      var node = (this.textPath && this.textPath() || this).node

-

-      // filter tspans and map them to SVG.js instances

-      var lines = SVG.utils.map(SVG.utils.filterSVGElements(node.childNodes), function(el){

-        return SVG.adopt(el)

-      })

-

-      // return an instance of SVG.set

-      return new SVG.Set(lines)

-    }

-    // Rebuild appearance type

-  , rebuild: function(rebuild) {

-      // store new rebuild flag if given

-      if (typeof rebuild == 'boolean')

-        this._rebuild = rebuild

-

-      // define position of all lines

-      if (this._rebuild) {

-        var self = this

-          , blankLineOffset = 0

-          , dy = this.dom.leading * new SVG.Number(this.attr('font-size'))

-

-        this.lines().each(function() {

-          if (this.dom.newLined) {

-            if (!self.textPath())

-              this.attr('x', self.attr('x'))

-            if(this.text() == '\n') {

-              blankLineOffset += dy

-            }else{

-              this.attr('dy', dy + blankLineOffset)

-              blankLineOffset = 0

-            }

-          }

-        })

-

-        this.fire('rebuild')

-      }

-

-      return this

-    }

-    // Enable / disable build mode

-  , build: function(build) {

-      this._build = !!build

-      return this

-    }

-    // overwrite method from parent to set data properly

-  , setData: function(o){

-      this.dom = o

-      this.dom.leading = new SVG.Number(o.leading || 1.3)

-      return this

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create text element

-    text: function(text) {

-      return this.put(new SVG.Text).text(text)

-    }

-    // Create plain text element

-  , plain: function(text) {

-      return this.put(new SVG.Text).plain(text)

-    }

-  }

-

-})

-

-SVG.Tspan = SVG.invent({

-  // Initialize node

-  create: 'tspan'

-

-  // Inherit from

-, inherit: SVG.Shape

-

-  // Add class methods

-, extend: {

-    // Set text content

-    text: function(text) {

-      if(text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '')

-

-      typeof text === 'function' ? text.call(this, this) : this.plain(text)

-

-      return this

-    }

-    // Shortcut dx

-  , dx: function(dx) {

-      return this.attr('dx', dx)

-    }

-    // Shortcut dy

-  , dy: function(dy) {

-      return this.attr('dy', dy)

-    }

-    // Create new line

-  , newLine: function() {

-      // fetch text parent

-      var t = this.parent(SVG.Text)

-

-      // mark new line

-      this.dom.newLined = true

-

-      // apply new hy¡n

-      return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x())

-    }

-  }

-

-})

-

-SVG.extend(SVG.Text, SVG.Tspan, {

-  // Create plain text node

-  plain: function(text) {

-    // clear if build mode is disabled

-    if (this._build === false)

-      this.clear()

-

-    // create text node

-    this.node.appendChild(document.createTextNode(text))

-

-    return this

-  }

-  // Create a tspan

-, tspan: function(text) {

-    var node  = (this.textPath && this.textPath() || this).node

-      , tspan = new SVG.Tspan

-

-    // clear if build mode is disabled

-    if (this._build === false)

-      this.clear()

-

-    // add new tspan

-    node.appendChild(tspan.node)

-

-    return tspan.text(text)

-  }

-  // Clear all lines

-, clear: function() {

-    var node = (this.textPath && this.textPath() || this).node

-

-    // remove existing child nodes

-    while (node.hasChildNodes())

-      node.removeChild(node.lastChild)

-

-    return this

-  }

-  // Get length of text element

-, length: function() {

-    return this.node.getComputedTextLength()

-  }

-})

-
-SVG.TextPath = SVG.invent({

-  // Initialize node

-  create: 'textPath'

-

-  // Inherit from

-, inherit: SVG.Parent

-

-  // Define parent class

-, parent: SVG.Text

-

-  // Add parent method

-, construct: {

-    morphArray: SVG.PathArray

-    // Create path for text to run on

-  , path: function(d) {

-      // create textPath element

-      var path  = new SVG.TextPath

-        , track = this.doc().defs().path(d)

-

-      // move lines to textpath

-      while (this.node.hasChildNodes())

-        path.node.appendChild(this.node.firstChild)

-

-      // add textPath element as child node

-      this.node.appendChild(path.node)

-

-      // link textPath to path and add content

-      path.attr('href', '#' + track, SVG.xlink)

-

-      return this

-    }

-    // return the array of the path track element

-  , array: function() {

-      var track = this.track()

-

-      return track ? track.array() : null

-    }

-    // Plot path if any

-  , plot: function(d) {

-      var track = this.track()

-        , pathArray = null

-

-      if (track) {

-        pathArray = track.plot(d)

-      }

-

-      return (d == null) ? pathArray : this

-    }

-    // Get the path track element

-  , track: function() {

-      var path = this.textPath()

-

-      if (path)

-        return path.reference('href')

-    }

-    // Get the textPath child

-  , textPath: function() {

-      if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath')

-        return SVG.adopt(this.node.firstChild)

-    }

-  }

-})

-
-SVG.Nested = SVG.invent({

-  // Initialize node

-  create: function() {

-    this.constructor.call(this, SVG.create('svg'))

-

-    this.style('overflow', 'visible')

-  }

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add parent method

-, construct: {

-    // Create nested svg document

-    nested: function() {

-      return this.put(new SVG.Nested)

-    }

-  }

+
+SVG.extend(SVG.Element, {
+
+  // Get point
+  point: function(x, y) {
+    return new SVG.Point(x,y).transform(this.screenCTM().inverse());
+  }
+
 })
-SVG.A = SVG.invent({

-  // Initialize node

-  create: 'a'

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Link url

-    to: function(url) {

-      return this.attr('href', url, SVG.xlink)

-    }

-    // Link show attribute

-  , show: function(target) {

-      return this.attr('show', target, SVG.xlink)

-    }

-    // Link target attribute

-  , target: function(target) {

-      return this.attr('target', target)

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create a hyperlink element

-    link: function(url) {

-      return this.put(new SVG.A).to(url)

-    }

-  }

-})

-

-SVG.extend(SVG.Element, {

-  // Create a hyperlink element

-  linkTo: function(url) {

-    var link = new SVG.A

-

-    if (typeof url == 'function')

-      url.call(link, link)

-    else

-      link.to(url)

-

-    return this.parent().put(link).put(this)

-  }

-

+
+SVG.extend(SVG.Element, {
+  // Set svg element attribute
+  attr: function(a, v, n) {
+    // act as full getter
+    if (a == null) {
+      // get an object of attributes
+      a = {}
+      v = this.node.attributes
+      for (n = v.length - 1; n >= 0; n--)
+        a[v[n].nodeName] = SVG.regex.isNumber.test(v[n].nodeValue) ? parseFloat(v[n].nodeValue) : v[n].nodeValue
+
+      return a
+
+    } else if (typeof a == 'object') {
+      // apply every attribute individually if an object is passed
+      for (v in a) this.attr(v, a[v])
+
+    } else if (v === null) {
+        // remove value
+        this.node.removeAttribute(a)
+
+    } else if (v == null) {
+      // act as a getter if the first and only argument is not an object
+      v = this.node.getAttribute(a)
+      return v == null ?
+        SVG.defaults.attrs[a] :
+      SVG.regex.isNumber.test(v) ?
+        parseFloat(v) : v
+
+    } else {
+      // BUG FIX: some browsers will render a stroke if a color is given even though stroke width is 0
+      if (a == 'stroke-width')
+        this.attr('stroke', parseFloat(v) > 0 ? this._stroke : null)
+      else if (a == 'stroke')
+        this._stroke = v
+
+      // convert image fill and stroke to patterns
+      if (a == 'fill' || a == 'stroke') {
+        if (SVG.regex.isImage.test(v))
+          v = this.doc().defs().image(v, 0, 0)
+
+        if (v instanceof SVG.Image)
+          v = this.doc().defs().pattern(0, 0, function() {
+            this.add(v)
+          })
+      }
+
+      // ensure correct numeric values (also accepts NaN and Infinity)
+      if (typeof v === 'number')
+        v = new SVG.Number(v)
+
+      // ensure full hex color
+      else if (SVG.Color.isColor(v))
+        v = new SVG.Color(v)
+
+      // parse array values
+      else if (Array.isArray(v))
+        v = new SVG.Array(v)
+
+      // if the passed attribute is leading...
+      if (a == 'leading') {
+        // ... call the leading method instead
+        if (this.leading)
+          this.leading(v)
+      } else {
+        // set given attribute on node
+        typeof n === 'string' ?
+          this.node.setAttributeNS(n, a, v.toString()) :
+          this.node.setAttribute(a, v.toString())
+      }
+
+      // rebuild if required
+      if (this.rebuild && (a == 'font-size' || a == 'x'))
+        this.rebuild(a, v)
+    }
+
+    return this
+  }
 })
-SVG.Marker = SVG.invent({

-  // Initialize node

-  create: 'marker'

-

-  // Inherit from

-, inherit: SVG.Container

-

-  // Add class methods

-, extend: {

-    // Set width of element

-    width: function(width) {

-      return this.attr('markerWidth', width)

-    }

-    // Set height of element

-  , height: function(height) {

-      return this.attr('markerHeight', height)

-    }

-    // Set marker refX and refY

-  , ref: function(x, y) {

-      return this.attr('refX', x).attr('refY', y)

-    }

-    // Update marker

-  , update: function(block) {

-      // remove all content

-      this.clear()

-

-      // invoke passed block

-      if (typeof block == 'function')

-        block.call(this, this)

-

-      return this

-    }

-    // Return the fill id

-  , toString: function() {

-      return 'url(#' + this.id() + ')'

-    }

-  }

-

-  // Add parent method

-, construct: {

-    marker: function(width, height, block) {

-      // Create marker element in defs

-      return this.defs().marker(width, height, block)

-    }

-  }

-

-})

-

-SVG.extend(SVG.Defs, {

-  // Create marker

-  marker: function(width, height, block) {

-    // Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto

-    return this.put(new SVG.Marker)

-      .size(width, height)

-      .ref(width / 2, height / 2)

-      .viewbox(0, 0, width, height)

-      .attr('orient', 'auto')

-      .update(block)

-  }

-

-})

-

-SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, {

-  // Create and attach markers

-  marker: function(marker, width, height, block) {

-    var attr = ['marker']

-

-    // Build attribute name

-    if (marker != 'all') attr.push(marker)

-    attr = attr.join('-')

-

-    // Set marker attribute

-    marker = arguments[1] instanceof SVG.Marker ?

-      arguments[1] :

-      this.doc().marker(width, height, block)

-

-    return this.attr(attr, marker)

-  }

-

+SVG.extend(SVG.Element, {
+  // Add transformations
+  transform: function(o, relative) {
+    // get target in case of the fx module, otherwise reference this
+    var target = this
+      , matrix, bbox
+
+    // act as a getter
+    if (typeof o !== 'object') {
+      // get current matrix
+      matrix = new SVG.Matrix(target).extract()
+
+      return typeof o === 'string' ? matrix[o] : matrix
+    }
+
+    // get current matrix
+    matrix = new SVG.Matrix(target)
+
+    // ensure relative flag
+    relative = !!relative || !!o.relative
+
+    // act on matrix
+    if (o.a != null) {
+      matrix = relative ?
+        // relative
+        matrix.multiply(new SVG.Matrix(o)) :
+        // absolute
+        new SVG.Matrix(o)
+
+    // act on rotation
+    } else if (o.rotation != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // apply transformation
+      matrix = relative ?
+        // relative
+        matrix.rotate(o.rotation, o.cx, o.cy) :
+        // absolute
+        matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy)
+
+    // act on scale
+    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure scale values on both axes
+      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1
+      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1
+
+      if (!relative) {
+        // absolute; multiply inversed values
+        var e = matrix.extract()
+        o.scaleX = o.scaleX * 1 / e.scaleX
+        o.scaleY = o.scaleY * 1 / e.scaleY
+      }
+
+      matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy)
+
+    // act on skew
+    } else if (o.skew != null || o.skewX != null || o.skewY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure skew values on both axes
+      o.skewX = o.skew != null ? o.skew : o.skewX != null ? o.skewX : 0
+      o.skewY = o.skew != null ? o.skew : o.skewY != null ? o.skewY : 0
+
+      if (!relative) {
+        // absolute; reset skew values
+        var e = matrix.extract()
+        matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse())
+      }
+
+      matrix = matrix.skew(o.skewX, o.skewY, o.cx, o.cy)
+
+    // act on flip
+    } else if (o.flip) {
+      if(o.flip == 'x' || o.flip == 'y') {
+        o.offset = o.offset == null ? target.bbox()['c' + o.flip] : o.offset
+      } else {
+        if(o.offset == null) {
+          bbox = target.bbox()
+          o.flip = bbox.cx
+          o.offset = bbox.cy
+        } else {
+          o.flip = o.offset
+        }
+      }
+
+      matrix = new SVG.Matrix().flip(o.flip, o.offset)
+
+    // act on translate
+    } else if (o.x != null || o.y != null) {
+      if (relative) {
+        // relative
+        matrix = matrix.translate(o.x, o.y)
+      } else {
+        // absolute
+        if (o.x != null) matrix.e = o.x
+        if (o.y != null) matrix.f = o.y
+      }
+    }
+
+    return this.attr('transform', matrix)
+  }
 })
-// Define list of available attributes for stroke and fill

-var sugar = {

-  stroke: ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset']

-, fill:   ['color', 'opacity', 'rule']

-, prefix: function(t, a) {

-    return a == 'color' ? t : t + '-' + a

-  }

-}

-

-// Add sugar for fill and stroke

-;['fill', 'stroke'].forEach(function(m) {

-  var i, extension = {}

-

-  extension[m] = function(o) {

-    if (typeof o == 'undefined')

-      return this

-    if (typeof o == 'string' || SVG.Color.isRgb(o) || (o && typeof o.fill === 'function'))

-      this.attr(m, o)

-

-    else

-      // set all attributes from sugar.fill and sugar.stroke list

-      for (i = sugar[m].length - 1; i >= 0; i--)

-        if (o[sugar[m][i]] != null)

-          this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]])

-

-    return this

-  }

-

-  SVG.extend(SVG.Element, SVG.FX, extension)

-

-})

-

-SVG.extend(SVG.Element, SVG.FX, {

-  // Map rotation to transform

-  rotate: function(d, cx, cy) {

-    return this.transform({ rotation: d, cx: cx, cy: cy })

-  }

-  // Map skew to transform

-, skew: function(x, y, cx, cy) {

-    return arguments.length == 1  || arguments.length == 3 ?

-      this.transform({ skew: x, cx: y, cy: cx }) :

-      this.transform({ skewX: x, skewY: y, cx: cx, cy: cy })

-  }

-  // Map scale to transform

-, scale: function(x, y, cx, cy) {

-    return arguments.length == 1  || arguments.length == 3 ?

-      this.transform({ scale: x, cx: y, cy: cx }) :

-      this.transform({ scaleX: x, scaleY: y, cx: cx, cy: cy })

-  }

-  // Map translate to transform

-, translate: function(x, y) {

-    return this.transform({ x: x, y: y })

-  }

-  // Map flip to transform

-, flip: function(a, o) {

-    o = typeof a == 'number' ? a : o

-    return this.transform({ flip: a || 'both', offset: o })

-  }

-  // Map matrix to transform

-, matrix: function(m) {

-    return this.attr('transform', new SVG.Matrix(arguments.length == 6 ? [].slice.call(arguments) : m))

-  }

-  // Opacity

-, opacity: function(value) {

-    return this.attr('opacity', value)

-  }

-  // Relative move over x axis

-, dx: function(x) {

-    return this.x(new SVG.Number(x).plus(this instanceof SVG.FX ? 0 : this.x()), true)

-  }

-  // Relative move over y axis

-, dy: function(y) {

-    return this.y(new SVG.Number(y).plus(this instanceof SVG.FX ? 0 : this.y()), true)

-  }

-  // Relative move over x and y axes

-, dmove: function(x, y) {

-    return this.dx(x).dy(y)

-  }

-})

-

-SVG.extend(SVG.Rect, SVG.Ellipse, SVG.Circle, SVG.Gradient, SVG.FX, {

-  // Add x and y radius

-  radius: function(x, y) {

-    var type = (this._target || this).type;

-    return type == 'radial' || type == 'circle' ?

-      this.attr('r', new SVG.Number(x)) :

-      this.rx(x).ry(y == null ? x : y)

-  }

-})

-

-SVG.extend(SVG.Path, {

-  // Get path length

-  length: function() {

-    return this.node.getTotalLength()

-  }

-  // Get point at length

-, pointAt: function(length) {

-    return this.node.getPointAtLength(length)

-  }

-})

-

-SVG.extend(SVG.Parent, SVG.Text, SVG.Tspan, SVG.FX, {

-  // Set font

-  font: function(a, v) {

-    if (typeof a == 'object') {

-      for (v in a) this.font(v, a[v])

-    }

-

-    return a == 'leading' ?

-        this.leading(v) :

-      a == 'anchor' ?

-        this.attr('text-anchor', v) :

-      a == 'size' || a == 'family' || a == 'weight' || a == 'stretch' || a == 'variant' || a == 'style' ?

-        this.attr('font-'+ a, v) :

-        this.attr(a, v)

-  }

-})

-
-SVG.Set = SVG.invent({

-  // Initialize

-  create: function(members) {

-    // Set initial state

-    Array.isArray(members) ? this.members = members : this.clear()

-  }

-

-  // Add class methods

-, extend: {

-    // Add element to set

-    add: function() {

-      var i, il, elements = [].slice.call(arguments)

-

-      for (i = 0, il = elements.length; i < il; i++)

-        this.members.push(elements[i])

-

-      return this

-    }

-    // Remove element from set

-  , remove: function(element) {

-      var i = this.index(element)

-

-      // remove given child

-      if (i > -1)

-        this.members.splice(i, 1)

-

-      return this

-    }

-    // Iterate over all members

-  , each: function(block) {

-      for (var i = 0, il = this.members.length; i < il; i++)

-        block.apply(this.members[i], [i, this.members])

-

-      return this

-    }

-    // Restore to defaults

-  , clear: function() {

-      // initialize store

-      this.members = []

-

-      return this

-    }

-    // Get the length of a set

-  , length: function() {

-      return this.members.length

-    }

-    // Checks if a given element is present in set

-  , has: function(element) {

-      return this.index(element) >= 0

-    }

-    // retuns index of given element in set

-  , index: function(element) {

-      return this.members.indexOf(element)

-    }

-    // Get member at given index

-  , get: function(i) {

-      return this.members[i]

-    }

-    // Get first member

-  , first: function() {

-      return this.get(0)

-    }

-    // Get last member

-  , last: function() {

-      return this.get(this.members.length - 1)

-    }

-    // Default value

-  , valueOf: function() {

-      return this.members

-    }

-    // Get the bounding box of all members included or empty box if set has no items

-  , bbox: function(){

-      // return an empty box of there are no members

-      if (this.members.length == 0)

-        return new SVG.RBox()

-

-      // get the first rbox and update the target bbox

-      var rbox = this.members[0].rbox(this.members[0].doc())

-

-      this.each(function() {

-        // user rbox for correct position and visual representation

-        rbox = rbox.merge(this.rbox(this.doc()))

-      })

-

-      return rbox

-    }

-  }

-

-  // Add parent method

-, construct: {

-    // Create a new set

-    set: function(members) {

-      return new SVG.Set(members)

-    }

-  }

-})

-

-SVG.FX.Set = SVG.invent({

-  // Initialize node

-  create: function(set) {

-    // store reference to set

-    this.set = set

-  }

-

-})

-

-// Alias methods

-SVG.Set.inherit = function() {

-  var m

-    , methods = []

-

-  // gather shape methods

-  for(var m in SVG.Shape.prototype)

-    if (typeof SVG.Shape.prototype[m] == 'function' && typeof SVG.Set.prototype[m] != 'function')

-      methods.push(m)

-

-  // apply shape aliasses

-  methods.forEach(function(method) {

-    SVG.Set.prototype[method] = function() {

-      for (var i = 0, il = this.members.length; i < il; i++)

-        if (this.members[i] && typeof this.members[i][method] == 'function')

-          this.members[i][method].apply(this.members[i], arguments)

-

-      return method == 'animate' ? (this.fx || (this.fx = new SVG.FX.Set(this))) : this

-    }

-  })

-

-  // clear methods for the next round

-  methods = []

-

-  // gather fx methods

-  for(var m in SVG.FX.prototype)

-    if (typeof SVG.FX.prototype[m] == 'function' && typeof SVG.FX.Set.prototype[m] != 'function')

-      methods.push(m)

-

-  // apply fx aliasses

-  methods.forEach(function(method) {

-    SVG.FX.Set.prototype[method] = function() {

-      for (var i = 0, il = this.set.members.length; i < il; i++)

-        this.set.members[i].fx[method].apply(this.set.members[i].fx, arguments)

-

-      return this

-    }

-  })

-}

-

-

-
-

-SVG.extend(SVG.Element, {

-  // Store data values on svg nodes

-  data: function(a, v, r) {

-    if (typeof a == 'object') {

-      for (v in a)

-        this.data(v, a[v])

-

-    } else if (arguments.length < 2) {

-      try {

-        return JSON.parse(this.attr('data-' + a))

-      } catch(e) {

-        return this.attr('data-' + a)

-      }

-

-    } else {

-      this.attr(

-        'data-' + a

-      , v === null ?

-          null :

-        r === true || typeof v === 'string' || typeof v === 'number' ?

-          v :

-          JSON.stringify(v)

-      )

-    }

-

-    return this

-  }

+
+SVG.extend(SVG.FX, {
+  transform: function(o, relative) {
+    // get target in case of the fx module, otherwise reference this
+    var target = this.target()
+      , matrix, bbox
+
+    // act as a getter
+    if (typeof o !== 'object') {
+      // get current matrix
+      matrix = new SVG.Matrix(target).extract()
+
+      return typeof o === 'string' ? matrix[o] : matrix
+    }
+
+    // ensure relative flag
+    relative = !!relative || !!o.relative
+
+    // act on matrix
+    if (o.a != null) {
+      matrix = new SVG.Matrix(o)
+
+    // act on rotation
+    } else if (o.rotation != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // apply transformation
+      matrix = new SVG.Rotate(o.rotation, o.cx, o.cy)
+
+    // act on scale
+    } else if (o.scale != null || o.scaleX != null || o.scaleY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure scale values on both axes
+      o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1
+      o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1
+
+      matrix = new SVG.Scale(o.scaleX, o.scaleY, o.cx, o.cy)
+
+    // act on skew
+    } else if (o.skewX != null || o.skewY != null) {
+      // ensure centre point
+      ensureCentre(o, target)
+
+      // ensure skew values on both axes
+      o.skewX = o.skewX != null ? o.skewX : 0
+      o.skewY = o.skewY != null ? o.skewY : 0
+
+      matrix = new SVG.Skew(o.skewX, o.skewY, o.cx, o.cy)
+
+    // act on flip
+    } else if (o.flip) {
+      if(o.flip == 'x' || o.flip == 'y') {
+        o.offset = o.offset == null ? target.bbox()['c' + o.flip] : o.offset
+      } else {
+        if(o.offset == null) {
+          bbox = target.bbox()
+          o.flip = bbox.cx
+          o.offset = bbox.cy
+        } else {
+          o.flip = o.offset
+        }
+      }
+
+      matrix = new SVG.Matrix().flip(o.flip, o.offset)
+
+    // act on translate
+    } else if (o.x != null || o.y != null) {
+      matrix = new SVG.Translate(o.x, o.y)
+    }
+
+    if(!matrix) return this
+
+    matrix.relative = relative
+
+    this.last().transforms.push(matrix)
+
+    return this._callStart()
+  }
 })
-SVG.extend(SVG.Element, {

-  // Remember arbitrary data

-  remember: function(k, v) {

-    // remember every item in an object individually

-    if (typeof arguments[0] == 'object')

-      for (var v in k)

-        this.remember(v, k[v])

-

-    // retrieve memory

-    else if (arguments.length == 1)

-      return this.memory()[k]

-

-    // store memory

-    else

-      this.memory()[k] = v

-

-    return this

-  }

-

-  // Erase a given memory

-, forget: function() {

-    if (arguments.length == 0)

-      this._memory = {}

-    else

-      for (var i = arguments.length - 1; i >= 0; i--)

-        delete this.memory()[arguments[i]]

-

-    return this

-  }

-

-  // Initialize or return local memory object

-, memory: function() {

-    return this._memory || (this._memory = {})

-  }

-

+
+SVG.extend(SVG.Element, {
+  // Reset all transformations
+  untransform: function() {
+    return this.attr('transform', null)
+  },
+  // merge the whole transformation chain into one matrix and returns it
+  matrixify: function() {
+
+    var matrix = (this.attr('transform') || '')
+      // split transformations
+      .split(SVG.regex.transforms).slice(0,-1).map(function(str){
+        // generate key => value pairs
+        var kv = str.trim().split('(')
+        return [kv[0], kv[1].split(SVG.regex.delimiter).map(function(str){ return parseFloat(str) })]
+      })
+      // merge every transformation into one matrix
+      .reduce(function(matrix, transform){
+
+        if(transform[0] == 'matrix') return matrix.multiply(arrayToMatrix(transform[1]))
+        return matrix[transform[0]].apply(matrix, transform[1])
+
+      }, new SVG.Matrix())
+
+    return matrix
+  },
+  // add an element to another parent without changing the visual representation on the screen
+  toParent: function(parent) {
+    if(this == parent) return this
+    var ctm = this.screenCTM()
+    var pCtm = parent.screenCTM().inverse()
+
+    this.addTo(parent).untransform().transform(pCtm.multiply(ctm))
+
+    return this
+  },
+  // same as above with parent equals root-svg
+  toDoc: function() {
+    return this.toParent(this.doc())
+  }
+
 })
-// Method for getting an element by id

-SVG.get = function(id) {

-  var node = document.getElementById(idFromReference(id) || id)

-  return SVG.adopt(node)

-}

-

-// Select elements by query string

-SVG.select = function(query, parent) {

-  return new SVG.Set(

-    SVG.utils.map((parent || document).querySelectorAll(query), function(node) {

-      return SVG.adopt(node)

-    })

-  )

-}

-

-SVG.extend(SVG.Parent, {

-  // Scoped select method

-  select: function(query) {

-    return SVG.select(query, this.node)

-  }

-

+
+SVG.Transformation = SVG.invent({
+
+  create: function(source, inversed){
+
+    if(arguments.length > 1 && typeof inversed != 'boolean'){
+      return this.constructor.call(this, [].slice.call(arguments))
+    }
+
+    if(Array.isArray(source)){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        this[this.arguments[i]] = source[i]
+      }
+    } else if(typeof source == 'object'){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        this[this.arguments[i]] = source[this.arguments[i]]
+      }
+    }
+
+    this.inversed = false
+
+    if(inversed === true){
+      this.inversed = true
+    }
+
+  }
+
+, extend: {
+
+    arguments: []
+  , method: ''
+
+  , at: function(pos){
+
+      var params = []
+
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        params.push(this[this.arguments[i]])
+      }
+
+      var m = this._undo || new SVG.Matrix()
+
+      m = new SVG.Matrix().morph(SVG.Matrix.prototype[this.method].apply(m, params)).at(pos)
+
+      return this.inversed ? m.inverse() : m
+
+    }
+
+  , undo: function(o){
+      for(var i = 0, len = this.arguments.length; i < len; ++i){
+        o[this.arguments[i]] = typeof this[this.arguments[i]] == 'undefined' ? 0 : o[this.arguments[i]]
+      }
+
+      // The method SVG.Matrix.extract which was used before calling this
+      // method to obtain a value for the parameter o doesn't return a cx and
+      // a cy so we use the ones that were provided to this object at its creation
+      o.cx = this.cx
+      o.cy = this.cy
+
+      this._undo = new SVG[capitalize(this.method)](o, true).at(1)
+
+      return this
+    }
+
+  }
+
+})
+
+SVG.Translate = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    this.constructor.apply(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['transformedX', 'transformedY']
+  , method: 'translate'
+  }
+
+})
+
+SVG.Rotate = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    this.constructor.apply(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['rotation', 'cx', 'cy']
+  , method: 'rotate'
+  , at: function(pos){
+      var m = new SVG.Matrix().rotate(new SVG.Number().morph(this.rotation - (this._undo ? this._undo.rotation : 0)).at(pos), this.cx, this.cy)
+      return this.inversed ? m.inverse() : m
+    }
+  , undo: function(o){
+      this._undo = o
+      return this
+    }
+  }
+
+})
+
+SVG.Scale = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    this.constructor.apply(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['scaleX', 'scaleY', 'cx', 'cy']
+  , method: 'scale'
+  }
+
+})
+
+SVG.Skew = SVG.invent({
+
+  parent: SVG.Matrix
+, inherit: SVG.Transformation
+
+, create: function(source, inversed){
+    this.constructor.apply(this, [].slice.call(arguments))
+  }
+
+, extend: {
+    arguments: ['skewX', 'skewY', 'cx', 'cy']
+  , method: 'skew'
+  }
+
+})
+
+SVG.extend(SVG.Element, {
+  // Dynamic style generator
+  style: function(s, v) {
+    if (arguments.length == 0) {
+      // get full style
+      return this.node.style.cssText || ''
+
+    } else if (arguments.length < 2) {
+      // apply every style individually if an object is passed
+      if (typeof s == 'object') {
+        for (v in s) this.style(v, s[v])
+
+      } else if (SVG.regex.isCss.test(s)) {
+        // parse css string
+        s = s.split(/\s*;\s*/)
+          // filter out suffix ; and stuff like ;;
+          .filter(function(e) { return !!e })
+          .map(function(e){ return e.split(/\s*:\s*/) })
+
+        // apply every definition individually
+        while (v = s.pop()) {
+          this.style(v[0], v[1])
+        }
+      } else {
+        // act as a getter if the first and only argument is not an object
+        return this.node.style[camelCase(s)]
+      }
+
+    } else {
+      this.node.style[camelCase(s)] = v === null || SVG.regex.isBlank.test(v) ? '' : v
+    }
+
+    return this
+  }
+})
+SVG.Parent = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add class methods
+, extend: {
+    // Returns all child elements
+    children: function() {
+      return SVG.utils.map(SVG.utils.filterSVGElements(this.node.childNodes), function(node) {
+        return SVG.adopt(node)
+      })
+    }
+    // Add given element at a position
+  , add: function(element, i) {
+      if (i == null)
+        this.node.appendChild(element.node)
+      else if (element.node != this.node.childNodes[i])
+        this.node.insertBefore(element.node, this.node.childNodes[i])
+
+      return this
+    }
+    // Basically does the same as `add()` but returns the added element instead
+  , put: function(element, i) {
+      this.add(element, i)
+      return element
+    }
+    // Checks if the given element is a child
+  , has: function(element) {
+      return this.index(element) >= 0
+    }
+    // Gets index of given element
+  , index: function(element) {
+      return [].slice.call(this.node.childNodes).indexOf(element.node)
+    }
+    // Get a element at the given index
+  , get: function(i) {
+      return SVG.adopt(this.node.childNodes[i])
+    }
+    // Get first child
+  , first: function() {
+      return this.get(0)
+    }
+    // Get the last child
+  , last: function() {
+      return this.get(this.node.childNodes.length - 1)
+    }
+    // Iterates over all children and invokes a given block
+  , each: function(block, deep) {
+      var i, il
+        , children = this.children()
+
+      for (i = 0, il = children.length; i < il; i++) {
+        if (children[i] instanceof SVG.Element)
+          block.apply(children[i], [i, children])
+
+        if (deep && (children[i] instanceof SVG.Container))
+          children[i].each(block, deep)
+      }
+
+      return this
+    }
+    // Remove a given child
+  , removeElement: function(element) {
+      this.node.removeChild(element.node)
+
+      return this
+    }
+    // Remove all elements in this container
+  , clear: function() {
+      // remove children
+      while(this.node.hasChildNodes())
+        this.node.removeChild(this.node.lastChild)
+
+      // remove defs reference
+      delete this._defs
+
+      return this
+    }
+  , // Get defs
+    defs: function() {
+      return this.doc().defs()
+    }
+  }
+
+})
+
+SVG.extend(SVG.Parent, {
+
+  ungroup: function(parent, depth) {
+    if(depth === 0 || this instanceof SVG.Defs || this.node == SVG.parser.draw) return this
+
+    parent = parent || (this instanceof SVG.Doc ? this : this.parent(SVG.Parent))
+    depth = depth || Infinity
+
+    this.each(function(){
+      if(this instanceof SVG.Defs) return this
+      if(this instanceof SVG.Parent) return this.ungroup(parent, depth-1)
+      return this.toParent(parent)
+    })
+
+    this.node.firstChild || this.remove()
+
+    return this
+  },
+
+  flatten: function(parent, depth) {
+    return this.ungroup(parent, depth)
+  }
+
+})
+SVG.Container = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Parent
+
+})
+
+SVG.ViewBox = SVG.invent({
+
+  create: function(source) {
+    var i, base = [0, 0, 0, 0]
+
+    var x, y, width, height, box, view, we, he
+      , wm   = 1 // width multiplier
+      , hm   = 1 // height multiplier
+      , reg  = /[+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?/gi
+
+    if(source instanceof SVG.Element){
+
+      we = source
+      he = source
+      view = (source.attr('viewBox') || '').match(reg)
+      box = source.bbox
+
+      // get dimensions of current node
+      width  = new SVG.Number(source.width())
+      height = new SVG.Number(source.height())
+
+      // find nearest non-percentual dimensions
+      while (width.unit == '%') {
+        wm *= width.value
+        width = new SVG.Number(we instanceof SVG.Doc ? we.parent().offsetWidth : we.parent().width())
+        we = we.parent()
+      }
+      while (height.unit == '%') {
+        hm *= height.value
+        height = new SVG.Number(he instanceof SVG.Doc ? he.parent().offsetHeight : he.parent().height())
+        he = he.parent()
+      }
+
+      // ensure defaults
+      this.x      = 0
+      this.y      = 0
+      this.width  = width  * wm
+      this.height = height * hm
+      this.zoom   = 1
+
+      if (view) {
+        // get width and height from viewbox
+        x      = parseFloat(view[0])
+        y      = parseFloat(view[1])
+        width  = parseFloat(view[2])
+        height = parseFloat(view[3])
+
+        // calculate zoom accoring to viewbox
+        this.zoom = ((this.width / this.height) > (width / height)) ?
+          this.height / height :
+          this.width  / width
+
+        // calculate real pixel dimensions on parent SVG.Doc element
+        this.x      = x
+        this.y      = y
+        this.width  = width
+        this.height = height
+
+      }
+
+    }else{
+
+      // ensure source as object
+      source = typeof source === 'string' ?
+        source.match(reg).map(function(el){ return parseFloat(el) }) :
+      Array.isArray(source) ?
+        source :
+      typeof source == 'object' ?
+        [source.x, source.y, source.width, source.height] :
+      arguments.length == 4 ?
+        [].slice.call(arguments) :
+        base
+
+      this.x = source[0]
+      this.y = source[1]
+      this.width = source[2]
+      this.height = source[3]
+    }
+
+
+  }
+
+, extend: {
+
+    toString: function() {
+      return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height
+    }
+  , morph: function(x, y, width, height){
+      this.destination = new SVG.ViewBox(x, y, width, height)
+      return this
+    }
+
+  , at: function(pos) {
+
+      if(!this.destination) return this
+
+      return new SVG.ViewBox([
+          this.x + (this.destination.x - this.x) * pos
+        , this.y + (this.destination.y - this.y) * pos
+        , this.width + (this.destination.width - this.width) * pos
+        , this.height + (this.destination.height - this.height) * pos
+      ])
+
+    }
+
+  }
+
+  // Define parent
+, parent: SVG.Container
+
+  // Add parent method
+, construct: {
+
+    // get/set viewbox
+    viewbox: function(x, y, width, height) {
+      if (arguments.length == 0)
+        // act as a getter if there are no arguments
+        return new SVG.ViewBox(this)
+
+      // otherwise act as a setter
+      return this.attr('viewBox', new SVG.ViewBox(x, y, width, height))
+    }
+
+  }
+
+})
+// Add events to elements
+;[  'click'
+  , 'dblclick'
+  , 'mousedown'
+  , 'mouseup'
+  , 'mouseover'
+  , 'mouseout'
+  , 'mousemove'
+  // , 'mouseenter' -> not supported by IE
+  // , 'mouseleave' -> not supported by IE
+  , 'touchstart'
+  , 'touchmove'
+  , 'touchleave'
+  , 'touchend'
+  , 'touchcancel' ].forEach(function(event) {
+
+  // add event to SVG.Element
+  SVG.Element.prototype[event] = function(f) {
+    // bind event to element rather than element node
+    SVG.on(this.node, event, f)
+    return this
+  }
+})
+
+// Initialize listeners stack
+SVG.listeners = []
+SVG.handlerMap = []
+SVG.listenerId = 0
+
+// Add event binder in the SVG namespace
+SVG.on = function(node, event, listener, binding, options) {
+  // create listener, get object-index
+  var l     = listener.bind(binding || node.instance || node)
+    , index = (SVG.handlerMap.indexOf(node) + 1 || SVG.handlerMap.push(node)) - 1
+    , ev    = event.split('.')[0]
+    , ns    = event.split('.')[1] || '*'
+
+
+  // ensure valid object
+  SVG.listeners[index]         = SVG.listeners[index]         || {}
+  SVG.listeners[index][ev]     = SVG.listeners[index][ev]     || {}
+  SVG.listeners[index][ev][ns] = SVG.listeners[index][ev][ns] || {}
+
+  if(!listener._svgjsListenerId)
+    listener._svgjsListenerId = ++SVG.listenerId
+
+  // reference listener
+  SVG.listeners[index][ev][ns][listener._svgjsListenerId] = l
+
+  // add listener
+  node.addEventListener(ev, l, options || false)
+}
+
+// Add event unbinder in the SVG namespace
+SVG.off = function(node, event, listener) {
+  var index = SVG.handlerMap.indexOf(node)
+    , ev    = event && event.split('.')[0]
+    , ns    = event && event.split('.')[1]
+    , namespace = ''
+
+  if(index == -1) return
+
+  if (listener) {
+    if(typeof listener == 'function') listener = listener._svgjsListenerId
+    if(!listener) return
+
+    // remove listener reference
+    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns || '*']) {
+      // remove listener
+      node.removeEventListener(ev, SVG.listeners[index][ev][ns || '*'][listener], false)
+
+      delete SVG.listeners[index][ev][ns || '*'][listener]
+    }
+
+  } else if (ns && ev) {
+    // remove all listeners for a namespaced event
+    if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns]) {
+      for (listener in SVG.listeners[index][ev][ns])
+        SVG.off(node, [ev, ns].join('.'), listener)
+
+      delete SVG.listeners[index][ev][ns]
+    }
+
+  } else if (ns){
+    // remove all listeners for a specific namespace
+    for(event in SVG.listeners[index]){
+        for(namespace in SVG.listeners[index][event]){
+            if(ns === namespace){
+                SVG.off(node, [event, ns].join('.'))
+            }
+        }
+    }
+
+  } else if (ev) {
+    // remove all listeners for the event
+    if (SVG.listeners[index][ev]) {
+      for (namespace in SVG.listeners[index][ev])
+        SVG.off(node, [ev, namespace].join('.'))
+
+      delete SVG.listeners[index][ev]
+    }
+
+  } else {
+    // remove all listeners on a given node
+    for (event in SVG.listeners[index])
+      SVG.off(node, event)
+
+    delete SVG.listeners[index]
+    delete SVG.handlerMap[index]
+
+  }
+}
+
+//
+SVG.extend(SVG.Element, {
+  // Bind given event to listener
+  on: function(event, listener, binding, options) {
+    SVG.on(this.node, event, listener, binding, options)
+
+    return this
+  }
+  // Unbind event from listener
+, off: function(event, listener) {
+    SVG.off(this.node, event, listener)
+
+    return this
+  }
+  // Fire given event
+, fire: function(event, data) {
+
+    // Dispatch event
+    if(event instanceof window.Event){
+        this.node.dispatchEvent(event)
+    }else{
+        this.node.dispatchEvent(event = new window.CustomEvent(event, {detail:data, cancelable: true}))
+    }
+
+    this._event = event
+    return this
+  }
+, event: function() {
+    return this._event
+  }
+})
+
+
+SVG.Defs = SVG.invent({
+  // Initialize node
+  create: 'defs'
+
+  // Inherit from
+, inherit: SVG.Container
+
+})
+SVG.G = SVG.invent({
+  // Initialize node
+  create: 'g'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true)
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.gbox().cx : this.x(x - this.gbox().width / 2)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.gbox().cy : this.y(y - this.gbox().height / 2)
+    }
+  , gbox: function() {
+
+      var bbox  = this.bbox()
+        , trans = this.transform()
+
+      bbox.x  += trans.x
+      bbox.x2 += trans.x
+      bbox.cx += trans.x
+
+      bbox.y  += trans.y
+      bbox.y2 += trans.y
+      bbox.cy += trans.y
+
+      return bbox
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a group element
+    group: function() {
+      return this.put(new SVG.G)
+    }
+  }
+})
+
+// ### This module adds backward / forward functionality to elements.
+
+//
+SVG.extend(SVG.Element, {
+  // Get all siblings, including myself
+  siblings: function() {
+    return this.parent().children()
+  }
+  // Get the curent position siblings
+, position: function() {
+    return this.parent().index(this)
+  }
+  // Get the next element (will return null if there is none)
+, next: function() {
+    return this.siblings()[this.position() + 1]
+  }
+  // Get the next element (will return null if there is none)
+, previous: function() {
+    return this.siblings()[this.position() - 1]
+  }
+  // Send given element one step forward
+, forward: function() {
+    var i = this.position() + 1
+      , p = this.parent()
+
+    // move node one step forward
+    p.removeElement(this).add(this, i)
+
+    // make sure defs node is always at the top
+    if (p instanceof SVG.Doc)
+      p.node.appendChild(p.defs().node)
+
+    return this
+  }
+  // Send given element one step backward
+, backward: function() {
+    var i = this.position()
+
+    if (i > 0)
+      this.parent().removeElement(this).add(this, i - 1)
+
+    return this
+  }
+  // Send given element all the way to the front
+, front: function() {
+    var p = this.parent()
+
+    // Move node forward
+    p.node.appendChild(this.node)
+
+    // Make sure defs node is always at the top
+    if (p instanceof SVG.Doc)
+      p.node.appendChild(p.defs().node)
+
+    return this
+  }
+  // Send given element all the way to the back
+, back: function() {
+    if (this.position() > 0)
+      this.parent().removeElement(this).add(this, 0)
+
+    return this
+  }
+  // Inserts a given element before the targeted element
+, before: function(element) {
+    element.remove()
+
+    var i = this.position()
+
+    this.parent().add(element, i)
+
+    return this
+  }
+  // Insters a given element after the targeted element
+, after: function(element) {
+    element.remove()
+
+    var i = this.position()
+
+    this.parent().add(element, i + 1)
+
+    return this
+  }
+
+})
+SVG.Mask = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('mask'))
+
+    // keep references to masked elements
+    this.targets = []
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Unmask all masked elements and remove itself
+    remove: function() {
+      // unmask all targets
+      for (var i = this.targets.length - 1; i >= 0; i--)
+        if (this.targets[i])
+          this.targets[i].unmask()
+      this.targets = []
+
+      // remove mask from parent
+      this.parent().removeElement(this)
+
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create masking element
+    mask: function() {
+      return this.defs().put(new SVG.Mask)
+    }
+  }
+})
+
+
+SVG.extend(SVG.Element, {
+  // Distribute mask to svg element
+  maskWith: function(element) {
+    // use given mask or create a new one
+    this.masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element)
+
+    // store reverence on self in mask
+    this.masker.targets.push(this)
+
+    // apply mask
+    return this.attr('mask', 'url("#' + this.masker.attr('id') + '")')
+  }
+  // Unmask element
+, unmask: function() {
+    delete this.masker
+    return this.attr('mask', null)
+  }
+
+})
+
+SVG.ClipPath = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('clipPath'))
+
+    // keep references to clipped elements
+    this.targets = []
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Unclip all clipped elements and remove itself
+    remove: function() {
+      // unclip all targets
+      for (var i = this.targets.length - 1; i >= 0; i--)
+        if (this.targets[i])
+          this.targets[i].unclip()
+      this.targets = []
+
+      // remove clipPath from parent
+      this.parent().removeElement(this)
+
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create clipping element
+    clip: function() {
+      return this.defs().put(new SVG.ClipPath)
+    }
+  }
+})
+
+//
+SVG.extend(SVG.Element, {
+  // Distribute clipPath to svg element
+  clipWith: function(element) {
+    // use given clip or create a new one
+    this.clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)
+
+    // store reverence on self in mask
+    this.clipper.targets.push(this)
+
+    // apply mask
+    return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")')
+  }
+  // Unclip element
+, unclip: function() {
+    delete this.clipper
+    return this.attr('clip-path', null)
+  }
+
+})
+SVG.Gradient = SVG.invent({
+  // Initialize node
+  create: function(type) {
+    this.constructor.call(this, SVG.create(type + 'Gradient'))
+
+    // store type
+    this.type = type
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Add a color stop
+    at: function(offset, color, opacity) {
+      return this.put(new SVG.Stop).update(offset, color, opacity)
+    }
+    // Update gradient
+  , update: function(block) {
+      // remove all stops
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Return the fill id
+  , fill: function() {
+      return 'url(#' + this.id() + ')'
+    }
+    // Alias string convertion to fill
+  , toString: function() {
+      return this.fill()
+    }
+    // custom attr to handle transform
+  , attr: function(a, b, c) {
+      if(a == 'transform') a = 'gradientTransform'
+      return SVG.Container.prototype.attr.call(this, a, b, c)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create gradient element in defs
+    gradient: function(type, block) {
+      return this.defs().gradient(type, block)
+    }
+  }
+})
+
+// Add animatable methods to both gradient and fx module
+SVG.extend(SVG.Gradient, SVG.FX, {
+  // From position
+  from: function(x, y) {
+    return (this._target || this).type == 'radial' ?
+      this.attr({ fx: new SVG.Number(x), fy: new SVG.Number(y) }) :
+      this.attr({ x1: new SVG.Number(x), y1: new SVG.Number(y) })
+  }
+  // To position
+, to: function(x, y) {
+    return (this._target || this).type == 'radial' ?
+      this.attr({ cx: new SVG.Number(x), cy: new SVG.Number(y) }) :
+      this.attr({ x2: new SVG.Number(x), y2: new SVG.Number(y) })
+  }
+})
+
+// Base gradient generation
+SVG.extend(SVG.Defs, {
+  // define gradient
+  gradient: function(type, block) {
+    return this.put(new SVG.Gradient(type)).update(block)
+  }
+
+})
+
+SVG.Stop = SVG.invent({
+  // Initialize node
+  create: 'stop'
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add class methods
+, extend: {
+    // add color stops
+    update: function(o) {
+      if (typeof o == 'number' || o instanceof SVG.Number) {
+        o = {
+          offset:  arguments[0]
+        , color:   arguments[1]
+        , opacity: arguments[2]
+        }
+      }
+
+      // set attributes
+      if (o.opacity != null) this.attr('stop-opacity', o.opacity)
+      if (o.color   != null) this.attr('stop-color', o.color)
+      if (o.offset  != null) this.attr('offset', new SVG.Number(o.offset))
+
+      return this
+    }
+  }
+
+})
+
+SVG.Pattern = SVG.invent({
+  // Initialize node
+  create: 'pattern'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Return the fill id
+    fill: function() {
+      return 'url(#' + this.id() + ')'
+    }
+    // Update pattern by rebuilding
+  , update: function(block) {
+      // remove content
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Alias string convertion to fill
+  , toString: function() {
+      return this.fill()
+    }
+    // custom attr to handle transform
+  , attr: function(a, b, c) {
+      if(a == 'transform') a = 'patternTransform'
+      return SVG.Container.prototype.attr.call(this, a, b, c)
+    }
+
+  }
+
+  // Add parent method
+, construct: {
+    // Create pattern element in defs
+    pattern: function(width, height, block) {
+      return this.defs().pattern(width, height, block)
+    }
+  }
+})
+
+SVG.extend(SVG.Defs, {
+  // Define gradient
+  pattern: function(width, height, block) {
+    return this.put(new SVG.Pattern).update(block).attr({
+      x:            0
+    , y:            0
+    , width:        width
+    , height:       height
+    , patternUnits: 'userSpaceOnUse'
+    })
+  }
+
+})
+SVG.Doc = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    if (element) {
+      // ensure the presence of a dom element
+      element = typeof element == 'string' ?
+        document.getElementById(element) :
+        element
+
+      // If the target is an svg element, use that element as the main wrapper.
+      // This allows svg.js to work with svg documents as well.
+      if (element.nodeName == 'svg') {
+        this.constructor.call(this, element)
+      } else {
+        this.constructor.call(this, SVG.create('svg'))
+        element.appendChild(this.node)
+        this.size('100%', '100%')
+      }
+
+      // set svg element attributes and ensure defs node
+      this.namespace().defs()
+    }
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Add namespaces
+    namespace: function() {
+      return this
+        .attr({ xmlns: SVG.ns, version: '1.1' })
+        .attr('xmlns:xlink', SVG.xlink, SVG.xmlns)
+        .attr('xmlns:svgjs', SVG.svgjs, SVG.xmlns)
+    }
+    // Creates and returns defs element
+  , defs: function() {
+      if (!this._defs) {
+        var defs
+
+        // Find or create a defs element in this instance
+        if (defs = this.node.getElementsByTagName('defs')[0])
+          this._defs = SVG.adopt(defs)
+        else
+          this._defs = new SVG.Defs
+
+        // Make sure the defs node is at the end of the stack
+        this.node.appendChild(this._defs.node)
+      }
+
+      return this._defs
+    }
+    // custom parent method
+  , parent: function() {
+      return this.node.parentNode.nodeName == '#document' ? null : this.node.parentNode
+    }
+    // Fix for possible sub-pixel offset. See:
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=608812
+  , spof: function() {
+      var pos = this.node.getScreenCTM()
+
+      if (pos)
+        this
+          .style('left', (-pos.e % 1) + 'px')
+          .style('top',  (-pos.f % 1) + 'px')
+
+      return this
+    }
+
+      // Removes the doc from the DOM
+  , remove: function() {
+      if(this.parent()) {
+        this.parent().removeChild(this.node)
+      }
+
+      return this
+    }
+  , clear: function() {
+      // remove children
+      while(this.node.hasChildNodes())
+        this.node.removeChild(this.node.lastChild)
+
+      // remove defs reference
+      delete this._defs
+
+      // add back parser
+      if(!SVG.parser.draw.parentNode)
+        this.node.appendChild(SVG.parser.draw)
+
+      return this
+    }
+  }
+
+})
+
+SVG.Shape = SVG.invent({
+  // Initialize node
+  create: function(element) {
+    this.constructor.call(this, element)
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+})
+
+SVG.Bare = SVG.invent({
+  // Initialize
+  create: function(element, inherit) {
+    // construct element
+    this.constructor.call(this, SVG.create(element))
+
+    // inherit custom methods
+    if (inherit)
+      for (var method in inherit.prototype)
+        if (typeof inherit.prototype[method] === 'function')
+          this[method] = inherit.prototype[method]
+  }
+
+  // Inherit from
+, inherit: SVG.Element
+
+  // Add methods
+, extend: {
+    // Insert some plain text
+    words: function(text) {
+      // remove contents
+      while (this.node.hasChildNodes())
+        this.node.removeChild(this.node.lastChild)
+
+      // create text node
+      this.node.appendChild(document.createTextNode(text))
+
+      return this
+    }
+  }
+})
+
+
+SVG.extend(SVG.Parent, {
+  // Create an element that is not described by SVG.js
+  element: function(element, inherit) {
+    return this.put(new SVG.Bare(element, inherit))
+  }
+})
+
+SVG.Symbol = SVG.invent({
+  // Initialize node
+  create: 'symbol'
+
+  // Inherit from
+, inherit: SVG.Container
+
+, construct: {
+    // create symbol
+    symbol: function() {
+      return this.put(new SVG.Symbol)
+    }
+  }
+})
+
+SVG.Use = SVG.invent({
+  // Initialize node
+  create: 'use'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Use element as a reference
+    element: function(element, file) {
+      // Set lined element
+      return this.attr('href', (file || '') + '#' + element, SVG.xlink)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a use element
+    use: function(element, file) {
+      return this.put(new SVG.Use).element(element, file)
+    }
+  }
+})
+SVG.Rect = SVG.invent({
+  // Initialize node
+  create: 'rect'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a rect element
+    rect: function(width, height) {
+      return this.put(new SVG.Rect()).size(width, height)
+    }
+  }
+})
+SVG.Circle = SVG.invent({
+  // Initialize node
+  create: 'circle'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create circle element, based on ellipse
+    circle: function(size) {
+      return this.put(new SVG.Circle).rx(new SVG.Number(size).divide(2)).move(0, 0)
+    }
+  }
+})
+
+SVG.extend(SVG.Circle, SVG.FX, {
+  // Radius x value
+  rx: function(rx) {
+    return this.attr('r', rx)
+  }
+  // Alias radius x value
+, ry: function(ry) {
+    return this.rx(ry)
+  }
+})
+
+SVG.Ellipse = SVG.invent({
+  // Initialize node
+  create: 'ellipse'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create an ellipse
+    ellipse: function(width, height) {
+      return this.put(new SVG.Ellipse).size(width, height).move(0, 0)
+    }
+  }
+})
+
+SVG.extend(SVG.Ellipse, SVG.Rect, SVG.FX, {
+  // Radius x value
+  rx: function(rx) {
+    return this.attr('rx', rx)
+  }
+  // Radius y value
+, ry: function(ry) {
+    return this.attr('ry', ry)
+  }
+})
+
+// Add common method
+SVG.extend(SVG.Circle, SVG.Ellipse, {
+    // Move over x-axis
+    x: function(x) {
+      return x == null ? this.cx() - this.rx() : this.cx(x + this.rx())
+    }
+    // Move over y-axis
+  , y: function(y) {
+      return y == null ? this.cy() - this.ry() : this.cy(y + this.ry())
+    }
+    // Move by center over x-axis
+  , cx: function(x) {
+      return x == null ? this.attr('cx') : this.attr('cx', x)
+    }
+    // Move by center over y-axis
+  , cy: function(y) {
+      return y == null ? this.attr('cy') : this.attr('cy', y)
+    }
+    // Set width of element
+  , width: function(width) {
+      return width == null ? this.rx() * 2 : this.rx(new SVG.Number(width).divide(2))
+    }
+    // Set height of element
+  , height: function(height) {
+      return height == null ? this.ry() * 2 : this.ry(new SVG.Number(height).divide(2))
+    }
+    // Custom size function
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this
+        .rx(new SVG.Number(p.width).divide(2))
+        .ry(new SVG.Number(p.height).divide(2))
+    }
+})
+SVG.Line = SVG.invent({
+  // Initialize node
+  create: 'line'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Get array
+    array: function() {
+      return new SVG.PointArray([
+        [ this.attr('x1'), this.attr('y1') ]
+      , [ this.attr('x2'), this.attr('y2') ]
+      ])
+    }
+    // Overwrite native plot() method
+  , plot: function(x1, y1, x2, y2) {
+      if (x1 == null)
+        return this.array()
+      else if (typeof y1 !== 'undefined')
+        x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
+      else
+        x1 = new SVG.PointArray(x1).toLine()
+
+      return this.attr(x1)
+    }
+    // Move by left top corner
+  , move: function(x, y) {
+      return this.attr(this.array().move(x, y).toLine())
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this.attr(this.array().size(p.width, p.height).toLine())
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a line element
+    line: function(x1, y1, x2, y2) {
+      // make sure plot is called as a setter
+      // x1 is not necessarily a number, it can also be an array, a string and a SVG.PointArray
+      return SVG.Line.prototype.plot.apply(
+        this.put(new SVG.Line)
+      , x1 != null ? [x1, y1, x2, y2] : [0, 0, 0, 0]
+      )
+    }
+  }
+})
+
+SVG.Polyline = SVG.invent({
+  // Initialize node
+  create: 'polyline'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a wrapped polyline element
+    polyline: function(p) {
+      // make sure plot is called as a setter
+      return this.put(new SVG.Polyline).plot(p || new SVG.PointArray)
+    }
+  }
+})
+
+SVG.Polygon = SVG.invent({
+  // Initialize node
+  create: 'polygon'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add parent method
+, construct: {
+    // Create a wrapped polygon element
+    polygon: function(p) {
+      // make sure plot is called as a setter
+      return this.put(new SVG.Polygon).plot(p || new SVG.PointArray)
+    }
+  }
+})
+
+// Add polygon-specific functions
+SVG.extend(SVG.Polyline, SVG.Polygon, {
+  // Get array
+  array: function() {
+    return this._array || (this._array = new SVG.PointArray(this.attr('points')))
+  }
+  // Plot new path
+, plot: function(p) {
+    return (p == null) ?
+      this.array() :
+      this.clear().attr('points', typeof p == 'string' ? p : (this._array = new SVG.PointArray(p)))
+  }
+  // Clear array cache
+, clear: function() {
+    delete this._array
+    return this
+  }
+  // Move by left top corner
+, move: function(x, y) {
+    return this.attr('points', this.array().move(x, y))
+  }
+  // Set element size to given width and height
+, size: function(width, height) {
+    var p = proportionalSize(this, width, height)
+
+    return this.attr('points', this.array().size(p.width, p.height))
+  }
+
+})
+
+// unify all point to point elements
+SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, {
+  // Define morphable array
+  morphArray:  SVG.PointArray
+  // Move by left top corner over x-axis
+, x: function(x) {
+    return x == null ? this.bbox().x : this.move(x, this.bbox().y)
+  }
+  // Move by left top corner over y-axis
+, y: function(y) {
+    return y == null ? this.bbox().y : this.move(this.bbox().x, y)
+  }
+  // Set width of element
+, width: function(width) {
+    var b = this.bbox()
+
+    return width == null ? b.width : this.size(width, b.height)
+  }
+  // Set height of element
+, height: function(height) {
+    var b = this.bbox()
+
+    return height == null ? b.height : this.size(b.width, height)
+  }
+})
+SVG.Path = SVG.invent({
+  // Initialize node
+  create: 'path'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Define morphable array
+    morphArray:  SVG.PathArray
+    // Get array
+  , array: function() {
+      return this._array || (this._array = new SVG.PathArray(this.attr('d')))
+    }
+    // Plot new path
+  , plot: function(d) {
+      return (d == null) ?
+        this.array() :
+        this.clear().attr('d', typeof d == 'string' ? d : (this._array = new SVG.PathArray(d)))
+    }
+    // Clear array cache
+  , clear: function() {
+      delete this._array
+      return this
+    }
+    // Move by left top corner
+  , move: function(x, y) {
+      return this.attr('d', this.array().move(x, y))
+    }
+    // Move by left top corner over x-axis
+  , x: function(x) {
+      return x == null ? this.bbox().x : this.move(x, this.bbox().y)
+    }
+    // Move by left top corner over y-axis
+  , y: function(y) {
+      return y == null ? this.bbox().y : this.move(this.bbox().x, y)
+    }
+    // Set element size to given width and height
+  , size: function(width, height) {
+      var p = proportionalSize(this, width, height)
+
+      return this.attr('d', this.array().size(p.width, p.height))
+    }
+    // Set width of element
+  , width: function(width) {
+      return width == null ? this.bbox().width : this.size(width, this.bbox().height)
+    }
+    // Set height of element
+  , height: function(height) {
+      return height == null ? this.bbox().height : this.size(this.bbox().width, height)
+    }
+
+  }
+
+  // Add parent method
+, construct: {
+    // Create a wrapped path element
+    path: function(d) {
+      // make sure plot is called as a setter
+      return this.put(new SVG.Path).plot(d || new SVG.PathArray)
+    }
+  }
+})
+
+SVG.Image = SVG.invent({
+  // Initialize node
+  create: 'image'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // (re)load image
+    load: function(url) {
+      if (!url) return this
+
+      var self = this
+        , img  = new window.Image()
+
+      // preload image
+      SVG.on(img, 'load', function() {
+        SVG.off(img)
+
+        var p = self.parent(SVG.Pattern)
+
+        if(p === null) return
+
+        // ensure image size
+        if (self.width() == 0 && self.height() == 0)
+          self.size(img.width, img.height)
+
+        // ensure pattern size if not set
+        if (p && p.width() == 0 && p.height() == 0)
+          p.size(self.width(), self.height())
+
+        // callback
+        if (typeof self._loaded === 'function')
+          self._loaded.call(self, {
+            width:  img.width
+          , height: img.height
+          , ratio:  img.width / img.height
+          , url:    url
+          })
+      })
+
+      SVG.on(img, 'error', function(e){
+        SVG.off(img)
+
+        if (typeof self._error === 'function'){
+            self._error.call(self, e)
+        }
+      })
+
+      return this.attr('href', (img.src = this.src = url), SVG.xlink)
+    }
+    // Add loaded callback
+  , loaded: function(loaded) {
+      this._loaded = loaded
+      return this
+    }
+
+  , error: function(error) {
+      this._error = error
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // create image element, load image and set its size
+    image: function(source, width, height) {
+      return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0)
+    }
+  }
+
+})
+SVG.Text = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('text'))
+
+    this.dom.leading = new SVG.Number(1.3)    // store leading value for rebuilding
+    this._rebuild = true                      // enable automatic updating of dy values
+    this._build   = false                     // disable build mode for adding multiple lines
+
+    // set default font
+    this.attr('font-family', SVG.defaults.attrs['font-family'])
+  }
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Move over x-axis
+    x: function(x) {
+      // act as getter
+      if (x == null)
+        return this.attr('x')
+
+      return this.attr('x', x)
+    }
+    // Move over y-axis
+  , y: function(y) {
+      var oy = this.attr('y')
+        , o  = typeof oy === 'number' ? oy - this.bbox().y : 0
+
+      // act as getter
+      if (y == null)
+        return typeof oy === 'number' ? oy - o : oy
+
+      return this.attr('y', typeof y === 'number' ? y + o : y)
+    }
+    // Move center over x-axis
+  , cx: function(x) {
+      return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2)
+    }
+    // Move center over y-axis
+  , cy: function(y) {
+      return y == null ? this.bbox().cy : this.y(y - this.bbox().height / 2)
+    }
+    // Set the text content
+  , text: function(text) {
+      // act as getter
+      if (typeof text === 'undefined'){
+        var text = ''
+        var children = this.node.childNodes
+        for(var i = 0, len = children.length; i < len; ++i){
+
+          // add newline if its not the first child and newLined is set to true
+          if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){
+            text += '\n'
+          }
+
+          // add content of this node
+          text += children[i].textContent
+        }
+
+        return text
+      }
+
+      // remove existing content
+      this.clear().build(true)
+
+      if (typeof text === 'function') {
+        // call block
+        text.call(this, this)
+
+      } else {
+        // store text and make sure text is not blank
+        text = text.split('\n')
+
+        // build new lines
+        for (var i = 0, il = text.length; i < il; i++)
+          this.tspan(text[i]).newLine()
+      }
+
+      // disable build mode and rebuild lines
+      return this.build(false).rebuild()
+    }
+    // Set font size
+  , size: function(size) {
+      return this.attr('font-size', size).rebuild()
+    }
+    // Set / get leading
+  , leading: function(value) {
+      // act as getter
+      if (value == null)
+        return this.dom.leading
+
+      // act as setter
+      this.dom.leading = new SVG.Number(value)
+
+      return this.rebuild()
+    }
+    // Get all the first level lines
+  , lines: function() {
+      var node = (this.textPath && this.textPath() || this).node
+
+      // filter tspans and map them to SVG.js instances
+      var lines = SVG.utils.map(SVG.utils.filterSVGElements(node.childNodes), function(el){
+        return SVG.adopt(el)
+      })
+
+      // return an instance of SVG.set
+      return new SVG.Set(lines)
+    }
+    // Rebuild appearance type
+  , rebuild: function(rebuild) {
+      // store new rebuild flag if given
+      if (typeof rebuild == 'boolean')
+        this._rebuild = rebuild
+
+      // define position of all lines
+      if (this._rebuild) {
+        var self = this
+          , blankLineOffset = 0
+          , dy = this.dom.leading * new SVG.Number(this.attr('font-size'))
+
+        this.lines().each(function() {
+          if (this.dom.newLined) {
+            if (!self.textPath())
+              this.attr('x', self.attr('x'))
+            if(this.text() == '\n') {
+              blankLineOffset += dy
+            }else{
+              this.attr('dy', dy + blankLineOffset)
+              blankLineOffset = 0
+            }
+          }
+        })
+
+        this.fire('rebuild')
+      }
+
+      return this
+    }
+    // Enable / disable build mode
+  , build: function(build) {
+      this._build = !!build
+      return this
+    }
+    // overwrite method from parent to set data properly
+  , setData: function(o){
+      this.dom = o
+      this.dom.leading = new SVG.Number(o.leading || 1.3)
+      return this
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create text element
+    text: function(text) {
+      return this.put(new SVG.Text).text(text)
+    }
+    // Create plain text element
+  , plain: function(text) {
+      return this.put(new SVG.Text).plain(text)
+    }
+  }
+
+})
+
+SVG.Tspan = SVG.invent({
+  // Initialize node
+  create: 'tspan'
+
+  // Inherit from
+, inherit: SVG.Shape
+
+  // Add class methods
+, extend: {
+    // Set text content
+    text: function(text) {
+      if(text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '')
+
+      typeof text === 'function' ? text.call(this, this) : this.plain(text)
+
+      return this
+    }
+    // Shortcut dx
+  , dx: function(dx) {
+      return this.attr('dx', dx)
+    }
+    // Shortcut dy
+  , dy: function(dy) {
+      return this.attr('dy', dy)
+    }
+    // Create new line
+  , newLine: function() {
+      // fetch text parent
+      var t = this.parent(SVG.Text)
+
+      // mark new line
+      this.dom.newLined = true
+
+      // apply new hy¡n
+      return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x())
+    }
+  }
+
+})
+
+SVG.extend(SVG.Text, SVG.Tspan, {
+  // Create plain text node
+  plain: function(text) {
+    // clear if build mode is disabled
+    if (this._build === false)
+      this.clear()
+
+    // create text node
+    this.node.appendChild(document.createTextNode(text))
+
+    return this
+  }
+  // Create a tspan
+, tspan: function(text) {
+    var node  = (this.textPath && this.textPath() || this).node
+      , tspan = new SVG.Tspan
+
+    // clear if build mode is disabled
+    if (this._build === false)
+      this.clear()
+
+    // add new tspan
+    node.appendChild(tspan.node)
+
+    return tspan.text(text)
+  }
+  // Clear all lines
+, clear: function() {
+    var node = (this.textPath && this.textPath() || this).node
+
+    // remove existing child nodes
+    while (node.hasChildNodes())
+      node.removeChild(node.lastChild)
+
+    return this
+  }
+  // Get length of text element
+, length: function() {
+    return this.node.getComputedTextLength()
+  }
+})
+
+SVG.TextPath = SVG.invent({
+  // Initialize node
+  create: 'textPath'
+
+  // Inherit from
+, inherit: SVG.Parent
+
+  // Define parent class
+, parent: SVG.Text
+
+  // Add parent method
+, construct: {
+    morphArray: SVG.PathArray
+    // Create path for text to run on
+  , path: function(d) {
+      // create textPath element
+      var path  = new SVG.TextPath
+        , track = this.doc().defs().path(d)
+
+      // move lines to textpath
+      while (this.node.hasChildNodes())
+        path.node.appendChild(this.node.firstChild)
+
+      // add textPath element as child node
+      this.node.appendChild(path.node)
+
+      // link textPath to path and add content
+      path.attr('href', '#' + track, SVG.xlink)
+
+      return this
+    }
+    // return the array of the path track element
+  , array: function() {
+      var track = this.track()
+
+      return track ? track.array() : null
+    }
+    // Plot path if any
+  , plot: function(d) {
+      var track = this.track()
+        , pathArray = null
+
+      if (track) {
+        pathArray = track.plot(d)
+      }
+
+      return (d == null) ? pathArray : this
+    }
+    // Get the path track element
+  , track: function() {
+      var path = this.textPath()
+
+      if (path)
+        return path.reference('href')
+    }
+    // Get the textPath child
+  , textPath: function() {
+      if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath')
+        return SVG.adopt(this.node.firstChild)
+    }
+  }
+})
+
+SVG.Nested = SVG.invent({
+  // Initialize node
+  create: function() {
+    this.constructor.call(this, SVG.create('svg'))
+
+    this.style('overflow', 'visible')
+  }
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add parent method
+, construct: {
+    // Create nested svg document
+    nested: function() {
+      return this.put(new SVG.Nested)
+    }
+  }
+})
+SVG.A = SVG.invent({
+  // Initialize node
+  create: 'a'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Link url
+    to: function(url) {
+      return this.attr('href', url, SVG.xlink)
+    }
+    // Link show attribute
+  , show: function(target) {
+      return this.attr('show', target, SVG.xlink)
+    }
+    // Link target attribute
+  , target: function(target) {
+      return this.attr('target', target)
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a hyperlink element
+    link: function(url) {
+      return this.put(new SVG.A).to(url)
+    }
+  }
+})
+
+SVG.extend(SVG.Element, {
+  // Create a hyperlink element
+  linkTo: function(url) {
+    var link = new SVG.A
+
+    if (typeof url == 'function')
+      url.call(link, link)
+    else
+      link.to(url)
+
+    return this.parent().put(link).put(this)
+  }
+
+})
+SVG.Marker = SVG.invent({
+  // Initialize node
+  create: 'marker'
+
+  // Inherit from
+, inherit: SVG.Container
+
+  // Add class methods
+, extend: {
+    // Set width of element
+    width: function(width) {
+      return this.attr('markerWidth', width)
+    }
+    // Set height of element
+  , height: function(height) {
+      return this.attr('markerHeight', height)
+    }
+    // Set marker refX and refY
+  , ref: function(x, y) {
+      return this.attr('refX', x).attr('refY', y)
+    }
+    // Update marker
+  , update: function(block) {
+      // remove all content
+      this.clear()
+
+      // invoke passed block
+      if (typeof block == 'function')
+        block.call(this, this)
+
+      return this
+    }
+    // Return the fill id
+  , toString: function() {
+      return 'url(#' + this.id() + ')'
+    }
+  }
+
+  // Add parent method
+, construct: {
+    marker: function(width, height, block) {
+      // Create marker element in defs
+      return this.defs().marker(width, height, block)
+    }
+  }
+
+})
+
+SVG.extend(SVG.Defs, {
+  // Create marker
+  marker: function(width, height, block) {
+    // Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto
+    return this.put(new SVG.Marker)
+      .size(width, height)
+      .ref(width / 2, height / 2)
+      .viewbox(0, 0, width, height)
+      .attr('orient', 'auto')
+      .update(block)
+  }
+
+})
+
+SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, {
+  // Create and attach markers
+  marker: function(marker, width, height, block) {
+    var attr = ['marker']
+
+    // Build attribute name
+    if (marker != 'all') attr.push(marker)
+    attr = attr.join('-')
+
+    // Set marker attribute
+    marker = arguments[1] instanceof SVG.Marker ?
+      arguments[1] :
+      this.doc().marker(width, height, block)
+
+    return this.attr(attr, marker)
+  }
+
+})
+// Define list of available attributes for stroke and fill
+var sugar = {
+  stroke: ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset']
+, fill:   ['color', 'opacity', 'rule']
+, prefix: function(t, a) {
+    return a == 'color' ? t : t + '-' + a
+  }
+}
+
+// Add sugar for fill and stroke
+;['fill', 'stroke'].forEach(function(m) {
+  var i, extension = {}
+
+  extension[m] = function(o) {
+    if (typeof o == 'undefined')
+      return this
+    if (typeof o == 'string' || SVG.Color.isRgb(o) || (o && typeof o.fill === 'function'))
+      this.attr(m, o)
+
+    else
+      // set all attributes from sugar.fill and sugar.stroke list
+      for (i = sugar[m].length - 1; i >= 0; i--)
+        if (o[sugar[m][i]] != null)
+          this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]])
+
+    return this
+  }
+
+  SVG.extend(SVG.Element, SVG.FX, extension)
+
+})
+
+SVG.extend(SVG.Element, SVG.FX, {
+  // Map rotation to transform
+  rotate: function(d, cx, cy) {
+    return this.transform({ rotation: d, cx: cx, cy: cy })
+  }
+  // Map skew to transform
+, skew: function(x, y, cx, cy) {
+    return arguments.length == 1  || arguments.length == 3 ?
+      this.transform({ skew: x, cx: y, cy: cx }) :
+      this.transform({ skewX: x, skewY: y, cx: cx, cy: cy })
+  }
+  // Map scale to transform
+, scale: function(x, y, cx, cy) {
+    return arguments.length == 1  || arguments.length == 3 ?
+      this.transform({ scale: x, cx: y, cy: cx }) :
+      this.transform({ scaleX: x, scaleY: y, cx: cx, cy: cy })
+  }
+  // Map translate to transform
+, translate: function(x, y) {
+    return this.transform({ x: x, y: y })
+  }
+  // Map flip to transform
+, flip: function(a, o) {
+    o = typeof a == 'number' ? a : o
+    return this.transform({ flip: a || 'both', offset: o })
+  }
+  // Map matrix to transform
+, matrix: function(m) {
+    return this.attr('transform', new SVG.Matrix(arguments.length == 6 ? [].slice.call(arguments) : m))
+  }
+  // Opacity
+, opacity: function(value) {
+    return this.attr('opacity', value)
+  }
+  // Relative move over x axis
+, dx: function(x) {
+    return this.x(new SVG.Number(x).plus(this instanceof SVG.FX ? 0 : this.x()), true)
+  }
+  // Relative move over y axis
+, dy: function(y) {
+    return this.y(new SVG.Number(y).plus(this instanceof SVG.FX ? 0 : this.y()), true)
+  }
+  // Relative move over x and y axes
+, dmove: function(x, y) {
+    return this.dx(x).dy(y)
+  }
+})
+
+SVG.extend(SVG.Rect, SVG.Ellipse, SVG.Circle, SVG.Gradient, SVG.FX, {
+  // Add x and y radius
+  radius: function(x, y) {
+    var type = (this._target || this).type;
+    return type == 'radial' || type == 'circle' ?
+      this.attr('r', new SVG.Number(x)) :
+      this.rx(x).ry(y == null ? x : y)
+  }
+})
+
+SVG.extend(SVG.Path, {
+  // Get path length
+  length: function() {
+    return this.node.getTotalLength()
+  }
+  // Get point at length
+, pointAt: function(length) {
+    return this.node.getPointAtLength(length)
+  }
+})
+
+SVG.extend(SVG.Parent, SVG.Text, SVG.Tspan, SVG.FX, {
+  // Set font
+  font: function(a, v) {
+    if (typeof a == 'object') {
+      for (v in a) this.font(v, a[v])
+    }
+
+    return a == 'leading' ?
+        this.leading(v) :
+      a == 'anchor' ?
+        this.attr('text-anchor', v) :
+      a == 'size' || a == 'family' || a == 'weight' || a == 'stretch' || a == 'variant' || a == 'style' ?
+        this.attr('font-'+ a, v) :
+        this.attr(a, v)
+  }
+})
+
+SVG.Set = SVG.invent({
+  // Initialize
+  create: function(members) {
+    // Set initial state
+    Array.isArray(members) ? this.members = members : this.clear()
+  }
+
+  // Add class methods
+, extend: {
+    // Add element to set
+    add: function() {
+      var i, il, elements = [].slice.call(arguments)
+
+      for (i = 0, il = elements.length; i < il; i++)
+        this.members.push(elements[i])
+
+      return this
+    }
+    // Remove element from set
+  , remove: function(element) {
+      var i = this.index(element)
+
+      // remove given child
+      if (i > -1)
+        this.members.splice(i, 1)
+
+      return this
+    }
+    // Iterate over all members
+  , each: function(block) {
+      for (var i = 0, il = this.members.length; i < il; i++)
+        block.apply(this.members[i], [i, this.members])
+
+      return this
+    }
+    // Restore to defaults
+  , clear: function() {
+      // initialize store
+      this.members = []
+
+      return this
+    }
+    // Get the length of a set
+  , length: function() {
+      return this.members.length
+    }
+    // Checks if a given element is present in set
+  , has: function(element) {
+      return this.index(element) >= 0
+    }
+    // retuns index of given element in set
+  , index: function(element) {
+      return this.members.indexOf(element)
+    }
+    // Get member at given index
+  , get: function(i) {
+      return this.members[i]
+    }
+    // Get first member
+  , first: function() {
+      return this.get(0)
+    }
+    // Get last member
+  , last: function() {
+      return this.get(this.members.length - 1)
+    }
+    // Default value
+  , valueOf: function() {
+      return this.members
+    }
+    // Get the bounding box of all members included or empty box if set has no items
+  , bbox: function(){
+      // return an empty box of there are no members
+      if (this.members.length == 0)
+        return new SVG.RBox()
+
+      // get the first rbox and update the target bbox
+      var rbox = this.members[0].rbox(this.members[0].doc())
+
+      this.each(function() {
+        // user rbox for correct position and visual representation
+        rbox = rbox.merge(this.rbox(this.doc()))
+      })
+
+      return rbox
+    }
+  }
+
+  // Add parent method
+, construct: {
+    // Create a new set
+    set: function(members) {
+      return new SVG.Set(members)
+    }
+  }
+})
+
+SVG.FX.Set = SVG.invent({
+  // Initialize node
+  create: function(set) {
+    // store reference to set
+    this.set = set
+  }
+
+})
+
+// Alias methods
+SVG.Set.inherit = function() {
+  var m
+    , methods = []
+
+  // gather shape methods
+  for(var m in SVG.Shape.prototype)
+    if (typeof SVG.Shape.prototype[m] == 'function' && typeof SVG.Set.prototype[m] != 'function')
+      methods.push(m)
+
+  // apply shape aliasses
+  methods.forEach(function(method) {
+    SVG.Set.prototype[method] = function() {
+      for (var i = 0, il = this.members.length; i < il; i++)
+        if (this.members[i] && typeof this.members[i][method] == 'function')
+          this.members[i][method].apply(this.members[i], arguments)
+
+      return method == 'animate' ? (this.fx || (this.fx = new SVG.FX.Set(this))) : this
+    }
+  })
+
+  // clear methods for the next round
+  methods = []
+
+  // gather fx methods
+  for(var m in SVG.FX.prototype)
+    if (typeof SVG.FX.prototype[m] == 'function' && typeof SVG.FX.Set.prototype[m] != 'function')
+      methods.push(m)
+
+  // apply fx aliasses
+  methods.forEach(function(method) {
+    SVG.FX.Set.prototype[method] = function() {
+      for (var i = 0, il = this.set.members.length; i < il; i++)
+        this.set.members[i].fx[method].apply(this.set.members[i].fx, arguments)
+
+      return this
+    }
+  })
+}
+
+
+
+
+SVG.extend(SVG.Element, {
+  // Store data values on svg nodes
+  data: function(a, v, r) {
+    if (typeof a == 'object') {
+      for (v in a)
+        this.data(v, a[v])
+
+    } else if (arguments.length < 2) {
+      try {
+        return JSON.parse(this.attr('data-' + a))
+      } catch(e) {
+        return this.attr('data-' + a)
+      }
+
+    } else {
+      this.attr(
+        'data-' + a
+      , v === null ?
+          null :
+        r === true || typeof v === 'string' || typeof v === 'number' ?
+          v :
+          JSON.stringify(v)
+      )
+    }
+
+    return this
+  }
+})
+SVG.extend(SVG.Element, {
+  // Remember arbitrary data
+  remember: function(k, v) {
+    // remember every item in an object individually
+    if (typeof arguments[0] == 'object')
+      for (var v in k)
+        this.remember(v, k[v])
+
+    // retrieve memory
+    else if (arguments.length == 1)
+      return this.memory()[k]
+
+    // store memory
+    else
+      this.memory()[k] = v
+
+    return this
+  }
+
+  // Erase a given memory
+, forget: function() {
+    if (arguments.length == 0)
+      this._memory = {}
+    else
+      for (var i = arguments.length - 1; i >= 0; i--)
+        delete this.memory()[arguments[i]]
+
+    return this
+  }
+
+  // Initialize or return local memory object
+, memory: function() {
+    return this._memory || (this._memory = {})
+  }
+
 })
-function pathRegReplace(a, b, c, d) {

-  return c + d.replace(SVG.regex.dots, ' .')

-}

-

-// creates deep clone of array

-function array_clone(arr){

-  var clone = arr.slice(0)

-  for(var i = clone.length; i--;){

-    if(Array.isArray(clone[i])){

-      clone[i] = array_clone(clone[i])

-    }

-  }

-  return clone

-}

-

-// tests if a given element is instance of an object

-function is(el, obj){

-  return el instanceof obj

-}

-

-// tests if a given selector matches an element

-function matches(el, selector) {

-  return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector);

-}

-

-// Convert dash-separated-string to camelCase

-function camelCase(s) {

-  return s.toLowerCase().replace(/-(.)/g, function(m, g) {

-    return g.toUpperCase()

-  })

-}

-

-// Capitalize first letter of a string

-function capitalize(s) {

-  return s.charAt(0).toUpperCase() + s.slice(1)

-}

-

-// Ensure to six-based hex

-function fullHex(hex) {

-  return hex.length == 4 ?

-    [ '#',

-      hex.substring(1, 2), hex.substring(1, 2)

-    , hex.substring(2, 3), hex.substring(2, 3)

-    , hex.substring(3, 4), hex.substring(3, 4)

-    ].join('') : hex

-}

-

-// Component to hex value

-function compToHex(comp) {

-  var hex = comp.toString(16)

-  return hex.length == 1 ? '0' + hex : hex

-}

-

-// Calculate proportional width and height values when necessary

-function proportionalSize(element, width, height) {

-  if (width == null || height == null) {

-    var box = element.bbox()

-

-    if (width == null)

-      width = box.width / box.height * height

-    else if (height == null)

-      height = box.height / box.width * width

-  }

-

-  return {

-    width:  width

-  , height: height

-  }

-}

-

-// Delta transform point

-function deltaTransformPoint(matrix, x, y) {

-  return {

-    x: x * matrix.a + y * matrix.c + 0

-  , y: x * matrix.b + y * matrix.d + 0

-  }

-}

-

-// Map matrix array to object

-function arrayToMatrix(a) {

-  return { a: a[0], b: a[1], c: a[2], d: a[3], e: a[4], f: a[5] }

-}

-

-// Parse matrix if required

-function parseMatrix(matrix) {

-  if (!(matrix instanceof SVG.Matrix))

-    matrix = new SVG.Matrix(matrix)

-

-  return matrix

-}

-

-// Add centre point to transform object

-function ensureCentre(o, target) {

-  o.cx = o.cx == null ? target.bbox().cx : o.cx

-  o.cy = o.cy == null ? target.bbox().cy : o.cy

-}

-

-// PathArray Helpers

-function arrayToString(a) {

-  for (var i = 0, il = a.length, s = ''; i < il; i++) {

-    s += a[i][0]

-

-    if (a[i][1] != null) {

-      s += a[i][1]

-

-      if (a[i][2] != null) {

-        s += ' '

-        s += a[i][2]

-

-        if (a[i][3] != null) {

-          s += ' '

-          s += a[i][3]

-          s += ' '

-          s += a[i][4]

-

-          if (a[i][5] != null) {

-            s += ' '

-            s += a[i][5]

-            s += ' '

-            s += a[i][6]

-

-            if (a[i][7] != null) {

-              s += ' '

-              s += a[i][7]

-            }

-          }

-        }

-      }

-    }

-  }

-

-  return s + ' '

-}

-

-// Deep new id assignment

-function assignNewId(node) {

-  // do the same for SVG child nodes as well

-  for (var i = node.childNodes.length - 1; i >= 0; i--)

-    if (node.childNodes[i] instanceof window.SVGElement)

-      assignNewId(node.childNodes[i])

-

-  return SVG.adopt(node).id(SVG.eid(node.nodeName))

-}

-

-// Add more bounding box properties

-function fullBox(b) {

-  if (b.x == null) {

-    b.x      = 0

-    b.y      = 0

-    b.width  = 0

-    b.height = 0

-  }

-

-  b.w  = b.width

-  b.h  = b.height

-  b.x2 = b.x + b.width

-  b.y2 = b.y + b.height

-  b.cx = b.x + b.width / 2

-  b.cy = b.y + b.height / 2

-

-  return b

-}

-

-// Get id from reference string

-function idFromReference(url) {

-  var m = url.toString().match(SVG.regex.reference)

-

-  if (m) return m[1]

-}

-

-// Create matrix array for looping

+// Method for getting an element by id
+SVG.get = function(id) {
+  var node = document.getElementById(idFromReference(id) || id)
+  return SVG.adopt(node)
+}
+
+// Select elements by query string
+SVG.select = function(query, parent) {
+  return new SVG.Set(
+    SVG.utils.map((parent || document).querySelectorAll(query), function(node) {
+      return SVG.adopt(node)
+    })
+  )
+}
+
+SVG.extend(SVG.Parent, {
+  // Scoped select method
+  select: function(query) {
+    return SVG.select(query, this.node)
+  }
+
+})
+function pathRegReplace(a, b, c, d) {
+  return c + d.replace(SVG.regex.dots, ' .')
+}
+
+// creates deep clone of array
+function array_clone(arr){
+  var clone = arr.slice(0)
+  for(var i = clone.length; i--;){
+    if(Array.isArray(clone[i])){
+      clone[i] = array_clone(clone[i])
+    }
+  }
+  return clone
+}
+
+// tests if a given element is instance of an object
+function is(el, obj){
+  return el instanceof obj
+}
+
+// tests if a given selector matches an element
+function matches(el, selector) {
+  return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector);
+}
+
+// Convert dash-separated-string to camelCase
+function camelCase(s) {
+  return s.toLowerCase().replace(/-(.)/g, function(m, g) {
+    return g.toUpperCase()
+  })
+}
+
+// Capitalize first letter of a string
+function capitalize(s) {
+  return s.charAt(0).toUpperCase() + s.slice(1)
+}
+
+// Ensure to six-based hex
+function fullHex(hex) {
+  return hex.length == 4 ?
+    [ '#',
+      hex.substring(1, 2), hex.substring(1, 2)
+    , hex.substring(2, 3), hex.substring(2, 3)
+    , hex.substring(3, 4), hex.substring(3, 4)
+    ].join('') : hex
+}
+
+// Component to hex value
+function compToHex(comp) {
+  var hex = comp.toString(16)
+  return hex.length == 1 ? '0' + hex : hex
+}
+
+// Calculate proportional width and height values when necessary
+function proportionalSize(element, width, height) {
+  if (width == null || height == null) {
+    var box = element.bbox()
+
+    if (width == null)
+      width = box.width / box.height * height
+    else if (height == null)
+      height = box.height / box.width * width
+  }
+
+  return {
+    width:  width
+  , height: height
+  }
+}
+
+// Delta transform point
+function deltaTransformPoint(matrix, x, y) {
+  return {
+    x: x * matrix.a + y * matrix.c + 0
+  , y: x * matrix.b + y * matrix.d + 0
+  }
+}
+
+// Map matrix array to object
+function arrayToMatrix(a) {
+  return { a: a[0], b: a[1], c: a[2], d: a[3], e: a[4], f: a[5] }
+}
+
+// Parse matrix if required
+function parseMatrix(matrix) {
+  if (!(matrix instanceof SVG.Matrix))
+    matrix = new SVG.Matrix(matrix)
+
+  return matrix
+}
+
+// Add centre point to transform object
+function ensureCentre(o, target) {
+  o.cx = o.cx == null ? target.bbox().cx : o.cx
+  o.cy = o.cy == null ? target.bbox().cy : o.cy
+}
+
+// PathArray Helpers
+function arrayToString(a) {
+  for (var i = 0, il = a.length, s = ''; i < il; i++) {
+    s += a[i][0]
+
+    if (a[i][1] != null) {
+      s += a[i][1]
+
+      if (a[i][2] != null) {
+        s += ' '
+        s += a[i][2]
+
+        if (a[i][3] != null) {
+          s += ' '
+          s += a[i][3]
+          s += ' '
+          s += a[i][4]
+
+          if (a[i][5] != null) {
+            s += ' '
+            s += a[i][5]
+            s += ' '
+            s += a[i][6]
+
+            if (a[i][7] != null) {
+              s += ' '
+              s += a[i][7]
+            }
+          }
+        }
+      }
+    }
+  }
+
+  return s + ' '
+}
+
+// Deep new id assignment
+function assignNewId(node) {
+  // do the same for SVG child nodes as well
+  for (var i = node.childNodes.length - 1; i >= 0; i--)
+    if (node.childNodes[i] instanceof window.SVGElement)
+      assignNewId(node.childNodes[i])
+
+  return SVG.adopt(node).id(SVG.eid(node.nodeName))
+}
+
+// Add more bounding box properties
+function fullBox(b) {
+  if (b.x == null) {
+    b.x      = 0
+    b.y      = 0
+    b.width  = 0
+    b.height = 0
+  }
+
+  b.w  = b.width
+  b.h  = b.height
+  b.x2 = b.x + b.width
+  b.y2 = b.y + b.height
+  b.cx = b.x + b.width / 2
+  b.cy = b.y + b.height / 2
+
+  return b
+}
+
+// Get id from reference string
+function idFromReference(url) {
+  var m = url.toString().match(SVG.regex.reference)
+
+  if (m) return m[1]
+}
+
+// Create matrix array for looping
 var abcdef = 'abcdef'.split('')
-// Add CustomEvent to IE9 and IE10

-if (typeof window.CustomEvent !== 'function') {

-  // Code from: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent

-  var CustomEvent = function(event, options) {

-    options = options || { bubbles: false, cancelable: false, detail: undefined }

-    var e = document.createEvent('CustomEvent')

-    e.initCustomEvent(event, options.bubbles, options.cancelable, options.detail)

-    return e

-  }

-

-  CustomEvent.prototype = window.Event.prototype

-

-  window.CustomEvent = CustomEvent

-}

-

-// requestAnimationFrame / cancelAnimationFrame Polyfill with fallback based on Paul Irish

-(function(w) {

-  var lastTime = 0

-  var vendors = ['moz', 'webkit']

-

-  for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {

-    w.requestAnimationFrame = w[vendors[x] + 'RequestAnimationFrame']

-    w.cancelAnimationFrame  = w[vendors[x] + 'CancelAnimationFrame'] ||

-                              w[vendors[x] + 'CancelRequestAnimationFrame']

-  }

-

-  w.requestAnimationFrame = w.requestAnimationFrame ||

-    function(callback) {

-      var currTime = new Date().getTime()

-      var timeToCall = Math.max(0, 16 - (currTime - lastTime))

-

-      var id = w.setTimeout(function() {

-        callback(currTime + timeToCall)

-      }, timeToCall)

-

-      lastTime = currTime + timeToCall

-      return id

-    }

-

-  w.cancelAnimationFrame = w.cancelAnimationFrame || w.clearTimeout;

-

-}(window))

-

-return SVG

-

-}));

+// Add CustomEvent to IE9 and IE10
+if (typeof window.CustomEvent !== 'function') {
+  // Code from: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
+  var CustomEvent = function(event, options) {
+    options = options || { bubbles: false, cancelable: false, detail: undefined }
+    var e = document.createEvent('CustomEvent')
+    e.initCustomEvent(event, options.bubbles, options.cancelable, options.detail)
+    return e
+  }
+
+  CustomEvent.prototype = window.Event.prototype
+
+  window.CustomEvent = CustomEvent
+}
+
+// requestAnimationFrame / cancelAnimationFrame Polyfill with fallback based on Paul Irish
+(function(w) {
+  var lastTime = 0
+  var vendors = ['moz', 'webkit']
+
+  for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+    w.requestAnimationFrame = w[vendors[x] + 'RequestAnimationFrame']
+    w.cancelAnimationFrame  = w[vendors[x] + 'CancelAnimationFrame'] ||
+                              w[vendors[x] + 'CancelRequestAnimationFrame']
+  }
+
+  w.requestAnimationFrame = w.requestAnimationFrame ||
+    function(callback) {
+      var currTime = new Date().getTime()
+      var timeToCall = Math.max(0, 16 - (currTime - lastTime))
+
+      var id = w.setTimeout(function() {
+        callback(currTime + timeToCall)
+      }, timeToCall)
+
+      lastTime = currTime + timeToCall
+      return id
+    }
+
+  w.cancelAnimationFrame = w.cancelAnimationFrame || w.clearTimeout;
+
+}(window))
+
+return SVG
+
+}));
\ No newline at end of file
diff --git a/dist/svg.min.js b/dist/svg.min.js
index 5c20ada..b1ddde2 100644
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,3 +1,3 @@
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1==e.length?"0"+e:e}function l(t,e,i){if(null==e||null==i){var n=t.bbox();null==e?e=n.width/n.height*i:null==i&&(i=n.height/n.width*e)}return{width:e,height:i}}function c(t,e,i){return{x:e*t.a+i*t.c+0,y:e*t.b+i*t.d+0}}function f(t){return{a:t[0],b:t[1],c:t[2],d:t[3],e:t[4],f:t[5]}}function d(t){return t instanceof g.Matrix||(t=new g.Matrix(t)),t}function p(t,e){t.cx=null==t.cx?e.bbox().cx:t.cx,t.cy=null==t.cy?e.bbox().cy:t.cy}function m(t){for(var e=0,i=t.length,n="";e<i;e++)n+=t[e][0],null!=t[e][1]&&(n+=t[e][1],null!=t[e][2]&&(n+=" ",n+=t[e][2],null!=t[e][3]&&(n+=" ",n+=t[e][3],n+=" ",n+=t[e][4],null!=t[e][5]&&(n+=" ",n+=t[e][5],n+=" ",n+=t[e][6],null!=t[e][7]&&(n+=" ",n+=t[e][7])))));return n+" "}function x(e){for(var i=e.childNodes.length-1;i>=0;i--)e.childNodes[i]instanceof t.SVGElement&&x(e.childNodes[i]);return g.adopt(e).id(g.eid(e.nodeName))}function y(t){return 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g.utils.map(g.utils.filterSVGElements(this.node.childNodes),function(t){return g.adopt(t)})},add:function(t,e){return null==e?this.node.appendChild(t.node):t.node!=this.node.childNodes[e]&&this.node.insertBefore(t.node,this.node.childNodes[e]),this},put:function(t,e){return this.add(t,e),t},has:function(t){return this.index(t)>=0},index:function(t){return[].slice.call(this.node.childNodes).indexOf(t.node)},get:function(t){return g.adopt(this.node.childNodes[t])},first:function(){return this.get(0)},last:function(){return this.get(this.node.childNodes.length-1)},each:function(t,e){var i,n,r=this.children();for(i=0,n=r.length;i<n;i++)r[i]instanceof g.Element&&t.apply(r[i],[i,r]),e&&r[i]instanceof g.Container&&r[i].each(t,e);return this},removeElement:function(t){return this.node.removeChild(t.node),this},clear:function(){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return delete this._defs,this},defs:function(){return 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g.ViewBox([this.x+(this.destination.x-this.x)*t,this.y+(this.destination.y-this.y)*t,this.width+(this.destination.width-this.width)*t,this.height+(this.destination.height-this.height)*t]):this}},parent:g.Container,construct:{viewbox:function(t,e,i,n){return 0==arguments.length?new g.ViewBox(this):this.attr("viewBox",new g.ViewBox(t,e,i,n))}}}),["click","dblclick","mousedown","mouseup","mouseover","mouseout","mousemove","touchstart","touchmove","touchleave","touchend","touchcancel"].forEach(function(t){g.Element.prototype[t]=function(e){return g.on(this.node,t,e),this}}),g.listeners=[],g.handlerMap=[],g.listenerId=0,g.on=function(t,e,i,n,r){var 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e=this.position();return this.parent().add(t,e+1),this}}),g.Mask=g.invent({create:function(){this.constructor.call(this,g.create("mask")),this.targets=[]},inherit:g.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unmask();return this.targets=[],this.parent().removeElement(this),this}},construct:{mask:function(){return this.defs().put(new g.Mask)}}}),g.extend(g.Element,{maskWith:function(t){return this.masker=t instanceof g.Mask?t:this.parent().mask().add(t),this.masker.targets.push(this),this.attr("mask",'url("#'+this.masker.attr("id")+'")')},unmask:function(){return delete this.masker,this.attr("mask",null)}}),g.ClipPath=g.invent({create:function(){this.constructor.call(this,g.create("clipPath")),this.targets=[]},inherit:g.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unclip();return this.targets=[],this.parent().removeElement(this),this}},construct:{clip:function(){return this.defs().put(new g.ClipPath)}}}),g.extend(g.Element,{clipWith:function(t){return this.clipper=t instanceof g.ClipPath?t:this.parent().clip().add(t),this.clipper.targets.push(this),this.attr("clip-path",'url("#'+this.clipper.attr("id")+'")')},unclip:function(){return delete this.clipper,this.attr("clip-path",null)}}),g.Gradient=g.invent({create:function(t){this.constructor.call(this,g.create(t+"Gradient")),this.type=t},inherit:g.Container,extend:{at:function(t,e,i){return this.put(new g.Stop).update(t,e,i)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},fill:function(){return"url(#"+this.id()+")"},toString:function(){return this.fill()},attr:function(t,e,i){return"transform"==t&&(t="gradientTransform"),g.Container.prototype.attr.call(this,t,e,i)}},construct:{gradient:function(t,e){return this.defs().gradient(t,e)}}}),g.extend(g.Gradient,g.FX,{from:function(t,e){return"radial"==(this._target||this).type?this.attr({fx:new g.Number(t),fy:new g.Number(e)}):this.attr({x1:new g.Number(t),y1:new g.Number(e)})},to:function(t,e){return"radial"==(this._target||this).type?this.attr({cx:new g.Number(t),cy:new g.Number(e)}):this.attr({x2:new g.Number(t),y2:new g.Number(e)})}}),g.extend(g.Defs,{gradient:function(t,e){return this.put(new g.Gradient(t)).update(e)}}),g.Stop=g.invent({create:"stop",inherit:g.Element,extend:{update:function(t){return("number"==typeof t||t instanceof g.Number)&&(t={offset:arguments[0],color:arguments[1],opacity:arguments[2]}),null!=t.opacity&&this.attr("stop-opacity",t.opacity),null!=t.color&&this.attr("stop-color",t.color),null!=t.offset&&this.attr("offset",new g.Number(t.offset)),this}}}),g.Pattern=g.invent({create:"pattern",inherit:g.Container,extend:{fill:function(){return"url(#"+this.id()+")"},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return this.fill()},attr:function(t,e,i){return"transform"==t&&(t="patternTransform"),g.Container.prototype.attr.call(this,t,e,i)}},construct:{pattern:function(t,e,i){return this.defs().pattern(t,e,i)}}}),g.extend(g.Defs,{pattern:function(t,e,i){return this.put(new g.Pattern).update(i).attr({x:0,y:0,width:t,height:e,patternUnits:"userSpaceOnUse"})}}),g.Doc=g.invent({create:function(t){t&&(t="string"==typeof t?e.getElementById(t):t,"svg"==t.nodeName?this.constructor.call(this,t):(this.constructor.call(this,g.create("svg")),t.appendChild(this.node),this.size("100%","100%")),this.namespace().defs())},inherit:g.Container,extend:{namespace:function(){return this.attr({xmlns:g.ns,version:"1.1"}).attr("xmlns:xlink",g.xlink,g.xmlns).attr("xmlns:svgjs",g.svgjs,g.xmlns)},defs:function(){if(!this._defs){var t;(t=this.node.getElementsByTagName("defs")[0])?this._defs=g.adopt(t):this._defs=new g.Defs,this.node.appendChild(this._defs.node)}return this._defs},parent:function(){return"#document"==this.node.parentNode.nodeName?null:this.node.parentNode},spof:function(){var t=this.node.getScreenCTM();return t&&this.style("left",-t.e%1+"px").style("top",-t.f%1+"px"),this},remove:function(){return this.parent()&&this.parent().removeChild(this.node),this},clear:function(){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return delete this._defs,g.parser.draw.parentNode||this.node.appendChild(g.parser.draw),this}}}),g.Shape=g.invent({create:function(t){this.constructor.call(this,t)},inherit:g.Element}),g.Bare=g.invent({create:function(t,e){if(this.constructor.call(this,g.create(t)),e)for(var i in e.prototype)"function"==typeof e.prototype[i]&&(this[i]=e.prototype[i])},inherit:g.Element,extend:{words:function(t){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return this.node.appendChild(e.createTextNode(t)),this}}}),g.extend(g.Parent,{element:function(t,e){return this.put(new g.Bare(t,e))}}),g.Symbol=g.invent({create:"symbol",inherit:g.Container,construct:{symbol:function(){return this.put(new g.Symbol)}}}),g.Use=g.invent({create:"use",inherit:g.Shape,extend:{element:function(t,e){return this.attr("href",(e||"")+"#"+t,g.xlink)}},construct:{use:function(t,e){return this.put(new g.Use).element(t,e)}}}),g.Rect=g.invent({create:"rect",inherit:g.Shape,construct:{rect:function(t,e){return this.put(new g.Rect).size(t,e)}}}),g.Circle=g.invent({create:"circle",inherit:g.Shape,construct:{circle:function(t){return this.put(new g.Circle).rx(new g.Number(t).divide(2)).move(0,0)}}}),g.extend(g.Circle,g.FX,{rx:function(t){return this.attr("r",t)},ry:function(t){return this.rx(t)}}),g.Ellipse=g.invent({create:"ellipse",inherit:g.Shape,construct:{ellipse:function(t,e){return this.put(new g.Ellipse).size(t,e).move(0,0)}}}),g.extend(g.Ellipse,g.Rect,g.FX,{rx:function(t){return this.attr("rx",t)},ry:function(t){return this.attr("ry",t)}}),g.extend(g.Circle,g.Ellipse,{x:function(t){return null==t?this.cx()-this.rx():this.cx(t+this.rx())},y:function(t){return null==t?this.cy()-this.ry():this.cy(t+this.ry())},cx:function(t){return null==t?this.attr("cx"):this.attr("cx",t)},cy:function(t){return null==t?this.attr("cy"):this.attr("cy",t)},width:function(t){return null==t?2*this.rx():this.rx(new g.Number(t).divide(2))},height:function(t){return null==t?2*this.ry():this.ry(new g.Number(t).divide(2))},size:function(t,e){var i=l(this,t,e);return this.rx(new g.Number(i.width).divide(2)).ry(new g.Number(i.height).divide(2))}}),g.Line=g.invent({create:"line",inherit:g.Shape,extend:{array:function(){return new g.PointArray([[this.attr("x1"),this.attr("y1")],[this.attr("x2"),this.attr("y2")]])},plot:function(t,e,i,n){return null==t?this.array():(t=void 0!==e?{x1:t,y1:e,x2:i,y2:n}:new g.PointArray(t).toLine(),this.attr(t))},move:function(t,e){return this.attr(this.array().move(t,e).toLine())},size:function(t,e){var i=l(this,t,e);return this.attr(this.array().size(i.width,i.height).toLine())}},construct:{line:function(t,e,i,n){return g.Line.prototype.plot.apply(this.put(new g.Line),null!=t?[t,e,i,n]:[0,0,0,0])}}}),g.Polyline=g.invent({create:"polyline",inherit:g.Shape,construct:{polyline:function(t){return this.put(new g.Polyline).plot(t||new g.PointArray)}}}),g.Polygon=g.invent({create:"polygon",inherit:g.Shape,construct:{polygon:function(t){return this.put(new g.Polygon).plot(t||new g.PointArray)}}}),g.extend(g.Polyline,g.Polygon,{array:function(){return this._array||(this._array=new g.PointArray(this.attr("points")))},plot:function(t){return null==t?this.array():this.clear().attr("points","string"==typeof t?t:this._array=new g.PointArray(t))},clear:function(){return delete this._array,this},move:function(t,e){return this.attr("points",this.array().move(t,e))},size:function(t,e){var i=l(this,t,e);return this.attr("points",this.array().size(i.width,i.height))}}),g.extend(g.Line,g.Polyline,g.Polygon,{morphArray:g.PointArray,x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)}}),g.Path=g.invent({create:"path",inherit:g.Shape,extend:{morphArray:g.PathArray,array:function(){return this._array||(this._array=new g.PathArray(this.attr("d")))},plot:function(t){return null==t?this.array():this.clear().attr("d","string"==typeof t?t:this._array=new g.PathArray(t))},clear:function(){return delete this._array,this},move:function(t,e){return this.attr("d",this.array().move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var i=l(this,t,e);return this.attr("d",this.array().size(i.width,i.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)}},construct:{path:function(t){return this.put(new g.Path).plot(t||new g.PathArray)}}}),g.Image=g.invent({create:"image",inherit:g.Shape,extend:{load:function(e){if(!e)return this;var i=this,n=new t.Image;return g.on(n,"load",function(){g.off(n);var t=i.parent(g.Pattern);null!==t&&(0==i.width()&&0==i.height()&&i.size(n.width,n.height),t&&0==t.width()&&0==t.height()&&t.size(i.width(),i.height()),"function"==typeof i._loaded&&i._loaded.call(i,{width:n.width,height:n.height,ratio:n.width/n.height,url:e}))}),g.on(n,"error",function(t){g.off(n),"function"==typeof i._error&&i._error.call(i,t)}),this.attr("href",n.src=this.src=e,g.xlink)},loaded:function(t){return this._loaded=t,this},error:function(t){return this._error=t,this}},construct:{image:function(t,e,i){return this.put(new g.Image).load(t).size(e||0,i||e||0)}}}),g.Text=g.invent({create:function(){this.constructor.call(this,g.create("text")),this.dom.leading=new g.Number(1.3),this._rebuild=!0,this._build=!1,this.attr("font-family",g.defaults.attrs["font-family"])},inherit:g.Shape,extend:{x:function(t){return null==t?this.attr("x"):this.attr("x",t)},y:function(t){var e=this.attr("y"),i="number"==typeof e?e-this.bbox().y:0;return null==t?"number"==typeof e?e-i:e:this.attr("y","number"==typeof t?t+i:t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)},text:function(t){if(void 0===t){for(var t="",e=this.node.childNodes,i=0,n=e.length;i<n;++i)0!=i&&3!=e[i].nodeType&&1==g.adopt(e[i]).dom.newLined&&(t+="\n"),t+=e[i].textContent;return t}if(this.clear().build(!0),"function"==typeof t)t.call(this,this);else{t=t.split("\n");for(var i=0,r=t.length;i<r;i++)this.tspan(t[i]).newLine()}return this.build(!1).rebuild()},size:function(t){return this.attr("font-size",t).rebuild()},leading:function(t){return null==t?this.dom.leading:(this.dom.leading=new g.Number(t),this.rebuild())},lines:function(){var t=(this.textPath&&this.textPath()||this).node,e=g.utils.map(g.utils.filterSVGElements(t.childNodes),function(t){return g.adopt(t)});return new g.Set(e)},rebuild:function(t){if("boolean"==typeof t&&(this._rebuild=t),this._rebuild){var e=this,i=0,n=this.dom.leading*new g.Number(this.attr("font-size"));this.lines().each(function(){this.dom.newLined&&(e.textPath()||this.attr("x",e.attr("x")),"\n"==this.text()?i+=n:(this.attr("dy",n+i),i=0))}),this.fire("rebuild")}return this},build:function(t){return this._build=!!t,this},setData:function(t){return this.dom=t,this.dom.leading=new g.Number(t.leading||1.3),this}},construct:{text:function(t){return this.put(new g.Text).text(t)},plain:function(t){return this.put(new g.Text).plain(t)}}}),g.Tspan=g.invent({create:"tspan",inherit:g.Shape,extend:{text:function(t){return null==t?this.node.textContent+(this.dom.newLined?"\n":""):("function"==typeof t?t.call(this,this):this.plain(t),this)},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){var t=this.parent(g.Text);return this.dom.newLined=!0,this.dy(t.dom.leading*t.attr("font-size")).attr("x",t.x())}}}),g.extend(g.Text,g.Tspan,{plain:function(t){return!1===this._build&&this.clear(),this.node.appendChild(e.createTextNode(t)),this},tspan:function(t){var e=(this.textPath&&this.textPath()||this).node,i=new g.Tspan;return!1===this._build&&this.clear(),e.appendChild(i.node),i.text(t)},clear:function(){for(var t=(this.textPath&&this.textPath()||this).node;t.hasChildNodes();)t.removeChild(t.lastChild);return this},length:function(){return this.node.getComputedTextLength()}}),g.TextPath=g.invent({create:"textPath",inherit:g.Parent,parent:g.Text,construct:{morphArray:g.PathArray,path:function(t){for(var e=new g.TextPath,i=this.doc().defs().path(t);this.node.hasChildNodes();)e.node.appendChild(this.node.firstChild);return this.node.appendChild(e.node),e.attr("href","#"+i,g.xlink),this},array:function(){var t=this.track();return t?t.array():null},plot:function(t){var e=this.track(),i=null;return e&&(i=e.plot(t)),null==t?i:this},track:function(){var t=this.textPath();if(t)return t.reference("href")},textPath:function(){if(this.node.firstChild&&"textPath"==this.node.firstChild.nodeName)return g.adopt(this.node.firstChild)}}}),g.Nested=g.invent({create:function(){this.constructor.call(this,g.create("svg")),this.style("overflow","visible")},inherit:g.Container,construct:{nested:function(){return this.put(new g.Nested)}}}),g.A=g.invent({create:"a",inherit:g.Container,extend:{to:function(t){return this.attr("href",t,g.xlink)},show:function(t){return this.attr("show",t,g.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new g.A).to(t)}}}),g.extend(g.Element,{linkTo:function(t){var e=new g.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent().put(e).put(this)}}),g.Marker=g.invent({create:"marker",inherit:g.Container,extend:{width:function(t){return this.attr("markerWidth",t)},height:function(t){return this.attr("markerHeight",t)},ref:function(t,e){return this.attr("refX",t).attr("refY",e)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return"url(#"+this.id()+")"}},construct:{marker:function(t,e,i){return this.defs().marker(t,e,i)}}}),g.extend(g.Defs,{marker:function(t,e,i){return this.put(new g.Marker).size(t,e).ref(t/2,e/2).viewbox(0,0,t,e).attr("orient","auto").update(i)}}),g.extend(g.Line,g.Polyline,g.Polygon,g.Path,{marker:function(t,e,i,n){var r=["marker"];return"all"!=t&&r.push(t),r=r.join("-"),t=arguments[1]instanceof g.Marker?arguments[1]:this.doc().marker(e,i,n),this.attr(r,t)}});var A={stroke:["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],fill:["color","opacity","rule"],prefix:function(t,e){return"color"==e?t:t+"-"+e}};["fill","stroke"].forEach(function(t){var e,i={};i[t]=function(i){if(void 0===i)return this;if("string"==typeof i||g.Color.isRgb(i)||i&&"function"==typeof i.fill)this.attr(t,i);else for(e=A[t].length-1;e>=0;e--)null!=i[A[t][e]]&&this.attr(A.prefix(t,A[t][e]),i[A[t][e]]);return this},g.extend(g.Element,g.FX,i)}),g.extend(g.Element,g.FX,{rotate:function(t,e,i){return this.transform({rotation:t,cx:e,cy:i})},skew:function(t,e,i,n){return 1==arguments.length||3==arguments.length?this.transform({skew:t,cx:e,cy:i}):this.transform({skewX:t,skewY:e,cx:i,cy:n})},scale:function(t,e,i,n){return 1==arguments.length||3==arguments.length?this.transform({scale:t,cx:e,cy:i}):this.transform({scaleX:t,scaleY:e,cx:i,cy:n})},translate:function(t,e){return this.transform({x:t,y:e})},flip:function(t,e){return e="number"==typeof t?t:e,this.transform({flip:t||"both",offset:e})},matrix:function(t){return this.attr("transform",new g.Matrix(6==arguments.length?[].slice.call(arguments):t))},opacity:function(t){return this.attr("opacity",t)},dx:function(t){return this.x(new g.Number(t).plus(this instanceof g.FX?0:this.x()),!0)},dy:function(t){return this.y(new g.Number(t).plus(this instanceof g.FX?0:this.y()),!0)},dmove:function(t,e){return this.dx(t).dy(e)}}),g.extend(g.Rect,g.Ellipse,g.Circle,g.Gradient,g.FX,{radius:function(t,e){var i=(this._target||this).type;return"radial"==i||"circle"==i?this.attr("r",new g.Number(t)):this.rx(t).ry(null==e?t:e)}}),g.extend(g.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),g.extend(g.Parent,g.Text,g.Tspan,g.FX,{font:function(t,e){if("object"==typeof t)for(e in t)this.font(e,t[e]);return"leading"==t?this.leading(e):"anchor"==t?this.attr("text-anchor",e):"size"==t||"family"==t||"weight"==t||"stretch"==t||"variant"==t||"style"==t?this.attr("font-"+t,e):this.attr(t,e)}}),g.Set=g.invent({create:function(t){Array.isArray(t)?this.members=t:this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;t<e;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;e<i;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},length:function(){return this.members.length},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},first:function(){return this.get(0)},last:function(){return this.get(this.members.length-1)},valueOf:function(){return this.members},bbox:function(){if(0==this.members.length)return new g.RBox;var t=this.members[0].rbox(this.members[0].doc());return this.each(function(){t=t.merge(this.rbox(this.doc()))}),t}},construct:{set:function(t){return new g.Set(t)}}}),g.FX.Set=g.invent({create:function(t){this.set=t}}),g.Set.inherit=function(){var t,e=[];for(var t in g.Shape.prototype)"function"==typeof g.Shape.prototype[t]&&"function"!=typeof g.Set.prototype[t]&&e.push(t);e.forEach(function(t){g.Set.prototype[t]=function(){for(var e=0,i=this.members.length;e<i;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new g.FX.Set(this)):this}}),e=[]
 ;for(var t in g.FX.prototype)"function"==typeof g.FX.prototype[t]&&"function"!=typeof g.FX.Set.prototype[t]&&e.push(t);e.forEach(function(t){g.FX.Set.prototype[t]=function(){for(var e=0,i=this.set.members.length;e<i;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},g.extend(g.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(arguments.length<2)try{return JSON.parse(this.attr("data-"+t))}catch(e){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:!0===i||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),g.extend(g.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),g.get=function(t){var i=e.getElementById(v(t)||t);return g.adopt(i)},g.select=function(t,i){return new g.Set(g.utils.map((i||e).querySelectorAll(t),function(t){return g.adopt(t)}))},g.extend(g.Parent,{select:function(t){return g.select(t,this.node)}});var M="abcdef".split("");if("function"!=typeof t.CustomEvent){var P=function(t,i){i=i||{bubbles:!1,cancelable:!1,detail:void 0};var n=e.createEvent("CustomEvent");return n.initCustomEvent(t,i.bubbles,i.cancelable,i.detail),n};P.prototype=t.Event.prototype,t.CustomEvent=P}return function(e){for(var i=0,n=["moz","webkit"],r=0;r<n.length&&!t.requestAnimationFrame;++r)e.requestAnimationFrame=e[n[r]+"RequestAnimationFrame"],e.cancelAnimationFrame=e[n[r]+"CancelAnimationFrame"]||e[n[r]+"CancelRequestAnimationFrame"];e.requestAnimationFrame=e.requestAnimationFrame||function(t){var n=(new Date).getTime(),r=Math.max(0,16-(n-i)),s=e.setTimeout(function(){t(n+r)},r);return i=n+r,s},e.cancelAnimationFrame=e.cancelAnimationFrame||e.clearTimeout}(t),g});
\ No newline at end of file
diff --git a/src/image.js b/src/image.js
index feb369e..02bfb11 100644..100755
--- a/src/image.js
+++ b/src/image.js
@@ -16,6 +16,8 @@ SVG.Image = SVG.invent({
       
       // preload image
       SVG.on(img, 'load', function() {
+        SVG.off(img)
+
         var p = self.parent(SVG.Pattern)
 
         if(p === null) return
@@ -39,6 +41,8 @@ SVG.Image = SVG.invent({
       })
 
       SVG.on(img, 'error', function(e){
+        SVG.off(img)
+
         if (typeof self._error === 'function'){
             self._error.call(self, e)
         }