fix origin bug

6 files changed, 6979 insertions, 7705 deletions

diff --git a/dirty.html b/dirty.html
index 1b4322b..3eadb0e 100644
--- a/dirty.html
+++ b/dirty.html
@@ -218,16 +218,13 @@ a.timeline().source(() => {
 })
 
 
-let obj = { shear: 2, rotate: 50, origin: [600, 600] }
+let obj = { rotate: 90, shear:2, origin: [600, 600], translate: [100, 100] }
 
 a.clone() // startPosition
 a.clone().transform(obj) // endPosition
-a.animate().transform(obj) // animation
+a.animate(new SVG.PID(0.1, 0.1)).transform(obj) // animation
 
 
-
-canvas.ellipse(30, 30)
-
 // Put an ellipse where we expect the object to be
 canvas.ellipse(30, 30).center(100, 500)
   .attr('opacity', 0.3)
diff --git a/dist/svg.js b/dist/svg.js
index d387d53..aa9984b 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -6,4634 +6,4640 @@
 * @copyright Wout Fierens <wout@mick-wout.com>
 * @license MIT
 *
-* BUILT: Thu Jun 28 2018 23:40:30 GMT+1000 (AEST)
+* BUILT: Thu Jun 28 2018 22:52:04 GMT+0200 (GMT+02:00)
 */;
-
-(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) {
-
-// Check that our browser supports svg
-var supported = !! document.createElementNS &&
-  !! document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect
-
-// If we don't support svg, just exit without doing anything
-if (!supported)
-  return {supported: false}
-
-// Otherwise, the library will be here
-/* global createElement, capitalize */
-/* eslint-disable new-cap */
-
-// The main wrapping element
-var SVG = this.SVG = function (element) {
-  if (SVG.supported) {
-    element = createElement(element)
-    return element
-  }
-}
-
-// Svg must be supported if we reached this stage
-SVG.supported = true
-
-// 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'
-
-// 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
-  return document.createElementNS(this.ns, name)
-}
-
-// Method for extending objects
-SVG.extend = function (modules, methods) {
-  var key, i
-
-  modules = Array.isArray(modules) ? modules : [modules]
-
-  for (i = modules.length - 1; i >= 0; i--) {
-    if (modules[i]) {
-      for (key in methods) {
-        modules[i].prototype[key] = methods[key]
-      }
-    }
-  }
-}
-
-// Invent new element
-SVG.invent = function (config) {
-  // Create element initializer
-  var initializer = typeof config.create === 'function' ? config.create
-    : function (node) {
-      config.inherit.call(this, node || SVG.create(config.create))
-    }
-
-  // Inherit prototype
-  if (config.inherit) {
-    initializer.prototype = new config.inherit()
-    initializer.prototype.constructor = initializer
-  }
-
-  // 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 instanceof SVG.Element) return node.instance
-
-  if (!(node instanceof window.SVGElement)) {
-    return new SVG.HtmlNode(node)
-  }
-
-  // initialize variables
-  var element
-
-  // adopt with element-specific settings
-  if (node.nodeName === 'svg') {
-    element = new SVG.Doc(node)
-  } else if (node.nodeName === 'linearGradient' || node.nodeName === 'radialGradient') {
-    element = new SVG.Gradient(node)
-  } else if (SVG[capitalize(node.nodeName)]) {
-    element = new SVG[capitalize(node.nodeName)](node)
-  } else {
-    element = new SVG.Parent(node)
-  }
-
-  return element
-}
-
-// 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
-    var il = array.length
-    var result = []
-
-    for (i = 0; i < il; i++) {
-      result.push(block(array[i]))
-    }
-
-    return result
-  },
-
-  // Filter function
-  filter: function (array, block) {
-    var i
-    var il = array.length
-    var 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.void = function () {}
-
-SVG.defaults = {
-
-  // Default animation values
-  timeline: {
-    duration: 400,
-    ease: '>',
-    delay: 0
-  },
-
-  // 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'
-  }
-}
-
-SVG.Queue = SVG.invent({
-  create: function () {
-    this._first = null
-    this._last = null
-  },
-
-  extend: {
-    push: function (value) {
-      // An item stores an id and the provided value
-      var item = value.next ? value : { value: value, next: null, prev: null }
-
-      // Deal with the queue being empty or populated
-      if (this._last) {
-        item.prev = this._last
-        this._last.next = item
-        this._last = item
-      } else {
-        this._last = item
-        this._first = item
-      }
-
-      // Update the length and return the current item
-      return item
-    },
-
-    shift: function () {
-      // Check if we have a value
-      var remove = this._first
-      if (!remove) return null
-
-      // If we do, remove it and relink things
-      this._first = remove.next
-      if (this._first) this._first.prev = null
-      this._last = this._first ? this._last : null
-      return remove.value
-    },
-
-    // Shows us the first item in the list
-    first: function () {
-      return this._first && this._first.value
-    },
-
-    // Shows us the last item in the list
-    last: function () {
-      return this._last && this._last.value
-    },
-
-    // Removes the item that was returned from the push
-    remove: function (item) {
-      // Relink the previous item
-      if (item.prev) item.prev.next = item.next
-      if (item.next) item.next.prev = item.prev
-      if (item === this._last) this._last = item.prev
-      if (item === this._first) this._first = item.next
-
-      // Invalidate item
-      item.prev = null
-      item.next = null
-    }
-  }
-})
-
-/* globals fullHex, compToHex */
-
-/*
-
-Color {
-  constructor (a, b, c, space) {
-    space: 'hsl'
-    a: 30
-    b: 20
-    c: 10
-  },
-
-  toRgb () { return new Color in rgb space }
-  toHsl () { return new Color in hsl space }
-  toLab () { return new Color in lab space }
-
-  toArray () { [space, a, b, c] }
-  fromArray () { convert it back }
-}
-
-// Conversions aren't always exact because of monitor profiles etc...
-new Color(h, s, l, 'hsl') !== new Color(r, g, b).hsl()
-new Color(100, 100, 100, [space])
-new Color('hsl(30, 20, 10)')
-
-// Sugar
-SVG.rgb(30, 20, 50).lab()
-SVG.hsl()
-SVG.lab('rgb(100, 100, 100)')
-*/
-
-// Module for color convertions
-SVG.Color = function (color, g, b) {
-  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 (Array.isArray(color)) {
-    this.r = color[0]
-    this.g = color[1]
-    this.b = color[2]
-  } else if (typeof color === 'object') {
-    this.r = color.r
-    this.g = color.g
-    this.b = color.b
-  } else if (arguments.length === 3) {
-    this.r = color
-    this.g = g
-    this.b = b
-  }
-}
-
-SVG.extend(SVG.Color, {
-  // Default to hex conversion
-  toString: function () {
-    return this.toHex()
-  },
-  toArray: function () {
-    return [this.r, this.g, this.b]
-  },
-  fromArray: function (a) {
-    return new SVG.Color(a)
-  },
-  // Build hex value
-  toHex: function () {
-    return '#' +
-      compToHex(Math.round(this.r)) +
-      compToHex(Math.round(this.g)) +
-      compToHex(Math.round(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)
-}
-
-/* global arrayClone */
-
-// 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]
-      var 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
-    this.value = seen
-    return 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)
-  },
-  toArray: function () {
-    return this.value
-  },
-  // 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 array.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 = arrayClone(this.value)
-    return clone
-  }
-})
-
-
-// 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(' ')
-  },
-
-  toArray: function () {
-    return this.value.reduce(function (prev, curr) {
-      return [].concat.call(prev, curr)
-    }, [])
-  },
-
-  // 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
-    var 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 () {
-    var maxX = -Infinity
-    var maxY = -Infinity
-    var minX = Infinity
-    var minY = Infinity
-    this.value.forEach(function (el) {
-      maxX = Math.max(el[0], maxX)
-      maxY = Math.max(el[1], maxY)
-      minX = Math.min(el[0], minX)
-      minY = Math.min(el[1], minY)
-    })
-    return {x: minX, y: minY, width: maxX - minX, height: maxY - minY}
-  }
-})
-
-/* globals arrayToString, pathRegReplace */
-
-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 mlhvqtcsaz = 'mlhvqtcsaz'.split('')
-
-for (var i = 0, il = mlhvqtcsaz.length; i < il; ++i) {
-  pathHandlers[mlhvqtcsaz[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)
-    }
-  })(mlhvqtcsaz[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)
-  },
-  toArray: function () {
-    return this.value.reduce(function (prev, curr) {
-      return [].concat.call(prev, curr)
-    }, [])
-  },
-  // 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 box = this.bbox()
-    var i, l
-
-    // 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
-    var destinationArray = this.destination.value
-    var array = []
-    var pathArray = new SVG.PathArray()
-    var 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 s
-    var 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 result = []
-    var p = new SVG.Point()
-    var p0 = new SVG.Point()
-    var index = 0
-    var 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'
-      }
-
-      result.push(pathHandlers[s].call(null,
-          array.slice(index, (index = index + paramCnt[s.toUpperCase()])).map(parseFloat),
-          p, p0
-        )
-      )
-    } while (len > index)
-
-    return result
-  },
-  // Get bounding box of path
-  bbox: function () {
-    SVG.parser().path.setAttribute('d', this.toString())
-    return SVG.parser.nodes.path.getBBox()
-  }
-
-})
-
-
-// Module for unit convertions
-SVG.Number = SVG.invent({
-  // Initialize
-  create: function (value, unit) {
-    unit = Array.isArray(value) ? value[1] : unit
-    value = Array.isArray(value) ? value[0] : value
-
-    // 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
-    toArray: function () {
-      return [this.value, this.unit]
-    },
-    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)
-    }
-  }
-})
-
-// Add events to elements
-/*
-;[ 'click',
-  'dblclick',
-  'mousedown',
-  'mouseup',
-  'mouseover',
-  'mouseout',
-  'mousemove',
-  'mouseenter',
-  'mouseleave',
-  '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, event, f)
-      return this
-    }
-  })
-*/
-
-SVG.listenerId = 0
-
-// Add event binder in the SVG namespace
-SVG.on = function (node, events, listener, binding, options) {
-  var l = listener.bind(binding || node)
-  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node
-
-  // events can be an array of events or a string of events
-  events = Array.isArray(events) ? events : events.split(SVG.regex.delimiter)
-
-  // ensure instance object for nodes which are not adopted
-  n.instance = n.instance || {events: {}}
-
-  // pull event handlers from the element
-  var bag = n.instance.events
-
-  // add id to listener
-  if (!listener._svgjsListenerId) {
-    listener._svgjsListenerId = ++SVG.listenerId
-  }
-
-  events.forEach(function (event) {
-    var ev = event.split('.')[0]
-    var ns = event.split('.')[1] || '*'
-
-    // ensure valid object
-    bag[ev] = bag[ev] || {}
-    bag[ev][ns] = bag[ev][ns] || {}
-
-    // reference listener
-    bag[ev][ns][listener._svgjsListenerId] = l
-
-    // add listener
-    n.addEventListener(ev, l, options || false)
-  })
-}
-
-// Add event unbinder in the SVG namespace
-SVG.off = function (node, events, listener, options) {
-  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node
-  if (!n.instance) return
-
-  // listener can be a function or a number
-  if (typeof listener === 'function') {
-    listener = listener._svgjsListenerId
-    if (!listener) return
-  }
-
-  // pull event handlers from the element
-  var bag = n.instance.events
-
-  // events can be an array of events or a string or undefined
-  events = Array.isArray(events) ? events : (events || '').split(SVG.regex.delimiter)
-
-  events.forEach(function (event) {
-    var ev = event && event.split('.')[0]
-    var ns = event && event.split('.')[1]
-    var namespace, l
-
-    if (listener) {
-      // remove listener reference
-      if (bag[ev] && bag[ev][ns || '*']) {
-        // removeListener
-        n.removeEventListener(ev, bag[ev][ns || '*'][listener], options || false)
-
-        delete bag[ev][ns || '*'][listener]
-      }
-    } else if (ev && ns) {
-      // remove all listeners for a namespaced event
-      if (bag[ev] && bag[ev][ns]) {
-        for (l in bag[ev][ns]) { SVG.off(n, [ev, ns].join('.'), l) }
-
-        delete bag[ev][ns]
-      }
-    } else if (ns) {
-      // remove all listeners for a specific namespace
-      for (event in bag) {
-        for (namespace in bag[event]) {
-          if (ns === namespace) { SVG.off(n, [event, ns].join('.')) }
-        }
-      }
-    } else if (ev) {
-      // remove all listeners for the event
-      if (bag[ev]) {
-        for (namespace in bag[ev]) { SVG.off(n, [ev, namespace].join('.')) }
-
-        delete bag[ev]
-      }
-    } else {
-      // remove all listeners on a given node
-      for (event in bag) { SVG.off(n, event) }
-
-      n.instance.events = {}
-    }
-  })
-}
-
-SVG.dispatch = function (node, event, data) {
-  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node
-
-  // Dispatch event
-  if (event instanceof window.Event) {
-    n.dispatchEvent(event)
-  } else {
-    event = new window.CustomEvent(event, {detail: data, cancelable: true})
-    n.dispatchEvent(event)
-  }
-  return event
-}
-
-SVG.EventTarget = SVG.invent({
-  create: function () {},
-  extend: {
-    // Bind given event to listener
-    on: function (event, listener, binding, options) {
-      SVG.on(this, event, listener, binding, options)
-      return this
-    },
-    // Unbind event from listener
-    off: function (event, listener) {
-      SVG.off(this, event, listener)
-      return this
-    },
-    dispatch: function (event, data) {
-      return SVG.dispatch(this, event, data)
-    },
-    // Fire given event
-    fire: function (event, data) {
-      this.dispatch(event, data)
-      return this
-    }
-  }
-})
-
-/* global createElement */
-
-SVG.HtmlNode = SVG.invent({
-  inherit: SVG.EventTarget,
-  create: function (element) {
-    this.node = element
-  },
-
-  extend: {
-    add: function (element, i) {
-      element = createElement(element)
-
-      if (element.node !== this.node.children[i]) {
-        this.node.insertBefore(element.node, this.node.children[i] || null)
-      }
-
-      return this
-    },
-
-    put: function (element, i) {
-      this.add(element, i)
-      return element
-    },
-
-    getEventTarget: function () {
-      return this.node
-    }
-  }
-})
-
-/* global proportionalSize, assignNewId, createElement, matches, is */
-
-SVG.Element = SVG.invent({
-  inherit: SVG.EventTarget,
-
-  // Initialize node
-  create: function (node) {
-    // event listener
-    this.events = {}
-
-    // initialize data object
-    this.dom = {}
-
-    // create circular reference
-    this.node = node
-    if (this.node) {
-      this.type = node.nodeName
-      this.node.instance = this
-      this.events = node.events || {}
-
-      if (node.hasAttribute('svgjs:data')) {
-        // pull svgjs data from the dom (getAttributeNS doesn't work in html5)
-        this.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})
-      }
-    }
-  },
-
-  // 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) {
-      // 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 createElement(parent).put(this)
-    },
-
-    // Add element to given container and return container
-    putIn: function (parent) {
-      return createElement(parent).add(this)
-    },
-
-    // Get / set id
-    id: function (id) {
-      // generate new id if no id set
-      if (typeof id === 'undefined' && !this.node.id) {
-        this.node.id = SVG.eid(this.type)
-      }
-
-      // dont't set directly width this.node.id to make `null` work correctly
-      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.css('display', '')
-    },
-
-    // Hide element
-    hide: function () {
-      return this.css('display', 'none')
-    },
-
-    // Is element visible?
-    visible: function () {
-      return this.css('display') !== 'none'
-    },
-
-    // Return id on string conversion
-    toString: function () {
-      return this.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
-        parent = SVG.adopt(parent.node.parentNode)
-      }
-    },
-
-    // Get parent document
-    doc: function () {
-      var p = this.parent(SVG.Doc)
-      return p && p.doc()
-    },
-
-    // Get defs
-    defs: function () {
-      return this.doc().defs()
-    },
-
-    // return array of all ancestors of given type up to the root svg
-    parents: function (type) {
-      var parents = []
-      var 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) {
-      var well, len
-
-      // act as a setter if svg is given
-      if (svg && this instanceof SVG.Parent) {
-        // create temporary holder
-        well = document.createElementNS(SVG.ns, 'svg')
-        // dump raw svg
-        well.innerHTML = svg
-
-        // transplant nodes
-        for (len = well.children.length; len--;) {
-          this.node.appendChild(well.firstElementChild)
-        }
-
-      // otherwise act as a getter
-      } else {
-        // write svgjs data to the dom
-        this.writeDataToDom()
-
-        return this.node.outerHTML
-      }
-
-      return this
-    },
-
-    // write svgjs data to the dom
-    writeDataToDom: function () {
-      // dump variables recursively
-      if (this.is(SVG.Parent)) {
-        this.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)
-    },
-    getEventTarget: function () {
-      return this.node
-    }
-  }
-})
-
-/* global abcdef, arrayToMatrix, closeEnough, formatTransforms */
-
-SVG.Matrix = SVG.invent({
-  // Initialize
-  create: function (source) {
-    var 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))
-      : Array.isArray(source) ? arrayToMatrix(source)
-      : (typeof source === 'object' && (
-          source.a != null || source.b != null || source.c != null ||
-          source.d != null || source.e != null || source.f != null
-        )) ? source
-      : (typeof source === 'object') ? new SVG.Matrix().transform(source)
-      : arguments.length === 6 ? arrayToMatrix([].slice.call(arguments))
-      : base
-
-    // Merge the source matrix with the base matrix
-    this.a = source.a != null ? source.a : base.a
-    this.b = source.b != null ? source.b : base.b
-    this.c = source.c != null ? source.c : base.c
-    this.d = source.d != null ? source.d : base.d
-    this.e = source.e != null ? source.e : base.e
-    this.f = source.f != null ? source.f : base.f
-  },
-
-  // Add methods
-  extend: {
-
-    // Clones this matrix
-    clone: function () {
-      return new SVG.Matrix(this)
-    },
-
-    // Transform a matrix into another matrix by manipulating the space
-    transform: function (o) {
-      // Check if o is a matrix and then left multiply it directly
-      if (o.a != null) {
-        var matrix = new SVG.Matrix(o)
-        var newMatrix = this.lmultiply(matrix)
-        return newMatrix
-      }
-
-      // Get the proposed transformations and the current transformations
-      var t = formatTransforms(o)
-      var currentTransform = new SVG.Matrix(this)
-
-      // Construct the resulting matrix
-      var transformer = new SVG.Matrix()
-        .translate(-t.ox, -t.oy)
-        .scale(t.scaleX, t.scaleY)
-        .skew(t.skewX, t.skewY)
-        .shear(t.shear)
-        .rotate(t.theta)
-        .translate(t.ox, t.oy)
-        .translate(t.rx, t.ry)
-        .lmultiply(currentTransform)
-
-      // If we want the origin at a particular place, we force it there
-      if (isFinite(t.px) || isFinite(t.py)) {
-        // Figure out where the origin went and the delta to get there
-        var current = new SVG.Point(t.ox - t.rx, t.oy - t.ry).transform(transformer)
-        var dx = t.px ? t.px - current.x : 0
-        var dy = t.py ? t.py - current.y : 0
-
-        // Apply another translation
-        transformer = transformer.translate(dx, dy)
-      }
-
-      // We can apply translations after everything else
-      transformer = transformer.translate(t.tx, t.ty)
-      return transformer
-    },
-
-    // Applies a matrix defined by its affine parameters
-    compose: function (o) {
-      if (o.origin) {
-        o.originX = o.origin[0]
-        o.originY = o.origin[1]
-      }
-      // Get the parameters
-      var ox = o.originX || 0
-      var oy = o.originY || 0
-      var sx = o.scaleX || 1
-      var sy = o.scaleY || 1
-      var lam = o.shear || 0
-      var theta = o.rotate || 0
-      var tx = o.translateX || 0
-      var ty = o.translateY || 0
-
-      // Apply the standard matrix
-      var result = new SVG.Matrix()
-        .translate(-ox, -oy)
-        .scale(sx, sy)
-        .shear(lam)
-        .rotate(theta)
-        .translate(tx, ty)
-        .lmultiply(this)
-        .translate(ox, oy)
-      return result
-    },
-
-    // Decomposes this matrix into its affine parameters
-    decompose: function (ox=0, oy=0) {
-      // Get the parameters from the matrix
-      var a = this.a
-      var b = this.b
-      var c = this.c
-      var d = this.d
-      var e = this.e - ox
-      var f = this.f - oy
-
-      // Figure out if the winding direction is clockwise or counterclockwise
-      var determinant = a * d - b * c
-      var ccw = determinant > 0 ? 1 : -1
-
-      // Since we only shear in x, we can use the x basis to get the x scale
-      // and the rotation of the resulting matrix
-      var sx = ccw * Math.sqrt(a * a + b * b)
-      var theta = 180 / Math.PI * Math.atan2(ccw * b, ccw * a)
-
-      // We can then solve the y basis vector simultaneously to get the other
-      // two affine parameters directly from these parameters
-      var lam = (a * c + b * d) / determinant
-      var sy = ((c * sx) / (lam * a - b)) || ((d * sx) / (lam * b + a))
-
-      // Construct the decomposition and return it
-      return {
-        // Return the affine parameters
-        scaleX: sx,
-        scaleY: sy,
-        shear: lam,
-        rotate: theta,
-        translateX: e + ox,
-        translateY: f + oy,
-        originX: ox,
-        originY: oy,
-
-        // Return the matrix parameters
-        a: this.a,
-        b: this.b,
-        c: this.c,
-        d: this.d,
-        e: this.e + ox,
-        f: this.f + oy
-      }
-    },
-
-    // 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
-    },
-
-    // Left multiplies by the given matrix
-    multiply: function (matrix) {
-      // Get the matrices
-      var l = this
-      var r = new SVG.Matrix(matrix)
-
-      // Work out the product directly
-      var a = l.a * r.a + l.c * r.b
-      var b = l.b * r.a + l.d * r.b
-      var c = l.a * r.c + l.c * r.d
-      var d = l.b * r.c + l.d * r.d
-      var e = l.e + l.a * r.e + l.c * r.f
-      var f = l.f + l.b * r.e + l.d * r.f
-
-      // Form the matrix and return it
-      var product = new SVG.Matrix(a, b, c, d, e, f)
-      return product
-    },
-
-    lmultiply: function (matrix) {
-      var result = new SVG.Matrix(matrix).multiply(this)
-      return result
-    },
-
-    // Inverses matrix
-    inverse: function () {
-      // Get the current parameters out of the matrix
-      var a = this.a
-      var b = this.b
-      var c = this.c
-      var d = this.d
-      var e = this.e
-      var f = this.f
-
-      // Invert the 2x2 matrix in the top left
-      var det = a * d - b * c
-      if (!det) throw new Error('Cannot invert ' + this)
-
-      // Calculate the top 2x2 matrix
-      var na = d / det
-      var nb = -b / det
-      var nc = -c / det
-      var nd = a / det
-
-      // Apply the inverted matrix to the top right
-      var ne = -(na * e + nc * f)
-      var nf = -(nb * e + nd * f)
-
-      // Construct the inverted matrix
-      return new SVG.Matrix(na, nb, nc, nd, ne, nf)
-    },
-
-    // Translate matrix
-    translate: function (x, y) {
-      return new SVG.Matrix(this).translateO(x, y)
-    },
-
-    translateO: function (x, y) {
-      this.e += x || 0
-      this.f += y || 0
-      return this
-    },
-
-    // Scale matrix
-    scale: function (x, y, cx, cy) {
-      // Support uniform scaling
-      if (arguments.length === 1) {
-        y = x
-      } else if (arguments.length === 3) {
-        cy = cx
-        cx = y
-        y = x
-      }
-
-      // Scale the current matrix
-      var scale = new SVG.Matrix(x, 0, 0, y, 0, 0)
-      var matrix = this.around(cx, cy, scale)
-      return matrix
-    },
-
-    // Rotate matrix
-    rotate: function (r, cx, cy) {
-      // Convert degrees to radians
-      r = SVG.utils.radians(r)
-
-      // Construct the rotation matrix
-      var rotation = new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0)
-      var matrix = this.around(cx, cy, rotation)
-      return matrix
-    },
-
-    // Flip matrix on x or y, at a given offset
-    flip: function (axis, around) {
-      return axis === 'x' ? this.scale(-1, 1, around, 0)
-        : axis === 'y' ? this.scale(1, -1, 0, around)
-        : this.scale(-1, -1, axis, around || axis) // Define an x, y flip point
-    },
-
-    // Shear matrix
-    shear: function (a, cx, cy) {
-      var shear = new SVG.Matrix(1, 0, a, 1, 0, 0)
-      var matrix = this.around(cx, cy, shear)
-      return matrix
-    },
-
-    // Skew Matrix
-    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)
-
-      // Construct the matrix
-      var skew = new SVG.Matrix(1, Math.tan(y), Math.tan(x), 1, 0, 0)
-      var matrix = this.around(cx, cy, skew)
-      return matrix
-    },
-
-    // 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) {
-      var dx = cx || 0
-      var dy = cy || 0
-      return this.translate(-dx, -dy).lmultiply(matrix).translate(dx, dy)
-    },
-
-    // Convert to native SVGMatrix
-    native: function () {
-      // create new matrix
-      var matrix = SVG.parser.nodes.svg.node.createSVGMatrix()
-
-      // update with current values
-      for (var i = abcdef.length - 1; i >= 0; i--) {
-        matrix[abcdef[i]] = this[abcdef[i]]
-      }
-
-      return matrix
-    },
-
-    // Check if two matrices are equal
-    equals: function (other) {
-      var comp = new SVG.Matrix(other)
-      return closeEnough(this.a, comp.a) && closeEnough(this.b, comp.b) &&
-        closeEnough(this.c, comp.c) && closeEnough(this.d, comp.d) &&
-        closeEnough(this.e, comp.e) && closeEnough(this.f, comp.f)
-    },
-
-    // Convert matrix to string
-    toString: function () {
-      return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')'
-    },
-
-    toArray: function () {
-      return [this.a, this.b, this.c, this.d, this.e, this.f]
-    },
-
-    valueOf: function () {
-      return {
-        a: this.a,
-        b: this.b,
-        c: this.c,
-        d: this.d,
-        e: this.e,
-        f: 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.Doc && !this.isRoot()) {
-        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, base) {
-    var source
-    base = 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: x, y: y}
-
-    // merge source
-    this.x = source.x == null ? base.x : source.x
-    this.y = source.y == null ? base.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.nodes.svg.node.createSVGPoint()
-
-      // update with current values
-      point.x = this.x
-      point.y = this.y
-      return point
-    },
-
-    // transform point with matrix
-    transform: function (m) {
-      // Perform the matrix multiplication
-      var x = m.a * this.x + m.c * this.y + m.e
-      var y = m.b * this.x + m.d * this.y + m.f
-
-      // Return the required point
-      return new SVG.Point(x, y)
-    }
-  }
-})
-
-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 {
-      // convert image fill and stroke to patterns
-      if (a === 'fill' || a === 'stroke') {
-        if (SVG.regex.isImage.test(v)) {
-          v = this.doc().defs().image(v)
-        }
-
-        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)
-      } else if (SVG.Color.isColor(v)) {
-        // ensure full hex color
-        v = new SVG.Color(v)
-      } else if (Array.isArray(v)) {
-        // parse array values
-        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
-  }
-})
-
-/* global arrayToMatrix */
-
-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) })
-        ]
-      })
-      .reverse()
-      // merge every transformation into one matrix
-      .reduce(function (matrix, transform) {
-        if (transform[0] === 'matrix') {
-          return matrix.lmultiply(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.extend(SVG.Element, {
-
-  // Add transformations
-  transform: function (o, relative) {
-    // Act as a getter if no object was passed
-    if (o == null || typeof o === 'string') {
-      var decomposed = new SVG.Matrix(this).decompose()
-      return decomposed[o] || decomposed
-    }
-
-    // Set the origin according to the defined transform
-    o.origin = getOrigin (o, this)
-
-    // The user can pass a boolean, an SVG.Element or an SVG.Matrix or nothing
-    var cleanRelative = relative === true ? this : (relative || false)
-    var result = new SVG.Matrix(cleanRelative).transform(o)
-    return this.attr('transform', result)
-  }
-})
-
-SVG.extend(SVG.Timeline, {
-  transform: function (o, relative, affine) {
-
-  //   // 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()
-  // }
-  //     // 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()
-  }
-})
-
-/* global camelCase */
-
-SVG.extend(SVG.Element, {
-  // Dynamic style generator
-  css: function (s, v) {
-    var ret = {}
-    var t, i
-    if (arguments.length === 0) {
-      // get full style as object
-      this.node.style.cssText.split(/\s*;\s*/).filter(function (el) { return !!el.length }).forEach(function (el) {
-        t = el.split(/\s*:\s*/)
-        ret[t[0]] = t[1]
-      })
-      return ret
-    }
-
-    if (arguments.length < 2) {
-      // get style properties in the array
-      if (Array.isArray(s)) {
-        for (i = s.length; i--;) {
-          ret[camelCase(s[i])] = this.node.style[camelCase(s[i])]
-        }
-        return ret
-      }
-
-      // get style for property
-      if (typeof s === 'string') {
-        return this.node.style[camelCase(s)]
-      }
-
-      // set styles in object
-      if (typeof s === 'object') {
-        for (i in s) {
-          // set empty string if null/undefined/'' was given
-          this.node.style[camelCase(i)] = (s[i] == null || SVG.regex.isBlank.test(s[i])) ? '' : s[i]
-        }
-      }
-    }
-
-    // set style for property
-    if (arguments.length === 2) {
-      this.node.style[camelCase(s)] = (v == null || SVG.regex.isBlank.test(v)) ? '' : v
-    }
-
-    return this
-  }
-})
-
-/* global createElement */
-
-SVG.Parent = SVG.invent({
-  // Initialize node
-  create: function (node) {
-    SVG.Element.call(this, node)
-  },
-
-  // Inherit from
-  inherit: SVG.Element,
-
-  // Add class methods
-  extend: {
-    // Returns all child elements
-    children: function () {
-      return SVG.utils.map(this.node.children, function (node) {
-        return SVG.adopt(node)
-      })
-    },
-    // Add given element at a position
-    add: function (element, i) {
-      element = createElement(element)
-
-      if (element.node !== this.node.children[i]) {
-        this.node.insertBefore(element.node, this.node.children[i] || null)
-      }
-
-      return this
-    },
-    // Basically does the same as `add()` but returns the added element instead
-    put: function (element, i) {
-      this.add(element, i)
-      return element.instance || 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.children).indexOf(element.node)
-    },
-    // Get a element at the given index
-    get: function (i) {
-      return SVG.adopt(this.node.children[i])
-    },
-    // Get first child
-    first: function () {
-      return this.get(0)
-    },
-    // Get the last child
-    last: function () {
-      return this.get(this.node.children.length - 1)
-    },
-    // Iterates over all children and invokes a given block
-    each: function (block, deep) {
-      var children = this.children()
-      var i, il
-
-      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.Parent)) {
-          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
-    }
-  }
-
-})
-
-SVG.extend(SVG.Parent, {
-  flatten: function (parent) {
-    // flattens is only possible for nested svgs and groups
-    if (!(this instanceof SVG.G || this instanceof SVG.Doc)) {
-      return this
-    }
-
-    parent = parent || (this instanceof SVG.Doc && this.isRoot() ? this : this.parent(SVG.Parent))
-
-    this.each(function () {
-      if (this instanceof SVG.Defs) return this
-      if (this instanceof SVG.Parent) return this.flatten(parent)
-      return this.toParent(parent)
-    })
-
-    // we need this so that SVG.Doc does not get removed
-    this.node.firstElementChild || this.remove()
-
-    return this
-  },
-  ungroup: function (parent) {
-    // ungroup is only possible for nested svgs and groups
-    if (!(this instanceof SVG.G || (this instanceof SVG.Doc && !this.isRoot()))) {
-      return this
-    }
-
-    parent = parent || this.parent(SVG.Parent)
-
-    this.each(function () {
-      return this.toParent(parent)
-    })
-
-    // we need this so that SVG.Doc does not get removed
-    this.remove()
-
-    return this
-  }
-})
-
-SVG.Container = SVG.invent({
-  // Initialize node
-  create: function (node) {
-    SVG.Element.call(this, node)
-  },
-
-  // Inherit from
-  inherit: SVG.Parent
-})
-
-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: {
-  },
-
-  // 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)
-  prev: function () {
-    return this.siblings()[this.position() - 1]
-  },
-
-  // Send given element one step forward
-  forward: function () {
-    var i = this.position() + 1
-    var 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: 'mask',
-
-  // Inherit from
-  inherit: SVG.Container,
-
-  // Add class methods
-  extend: {
-    // Unmask all masked elements and remove itself
-    remove: function () {
-      // unmask all targets
-      this.targets().forEach(function (el) {
-        el.unmask()
-      })
-
-      // remove mask from parent
-      return SVG.Element.prototype.remove.call(this)
-    },
-
-    targets: function () {
-      return SVG.select('svg [mask*="' + this.id() + '"]')
-    }
-  },
-
-  // 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
-    var masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element)
-
-    // apply mask
-    return this.attr('mask', 'url("#' + masker.id() + '")')
-  },
-  // Unmask element
-  unmask: function () {
-    return this.attr('mask', null)
-  },
-  masker: function () {
-    return this.reference('mask')
-  }
-})
-
-SVG.ClipPath = SVG.invent({
-  // Initialize node
-  create: 'clipPath',
-
-  // Inherit from
-  inherit: SVG.Container,
-
-  // Add class methods
-  extend: {
-    // Unclip all clipped elements and remove itself
-    remove: function () {
-      // unclip all targets
-      this.targets().forEach(function (el) {
-        el.unclip()
-      })
-
-      // remove clipPath from parent
-      return SVG.Element.prototype.remove.call(this)
-    },
-
-    targets: function () {
-      return SVG.select('svg [clip-path*="' + this.id() + '"]')
-    }
-  },
-
-  // 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
-    var clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)
-
-    // apply mask
-    return this.attr('clip-path', 'url("#' + clipper.id() + '")')
-  },
-  // Unclip element
-  unclip: function () {
-    return this.attr('clip-path', null)
-  },
-  clipper: function () {
-    return this.reference('clip-path')
-  }
-
-})
-
-SVG.Gradient = SVG.invent({
-  // Initialize node
-  create: function (type) {
-    SVG.Element.call(this, typeof type === 'object' ? type : SVG.create(type + 'Gradient'))
-  },
-
-  // Inherit from
-  inherit: SVG.Container,
-
-  // Add class methods
-  extend: {
-    // Add a color stop
-    stop: 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
-    url: function () {
-      return 'url(#' + this.id() + ')'
-    },
-    // Alias string convertion to fill
-    toString: function () {
-      return this.url()
-    },
-    // 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.Timeline], {
-  // From position
-  from: function (x, y) {
-    return (this._target || this).type === 'radialGradient'
-      ? 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 === 'radialGradient'
-      ? 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
-    url: 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.url()
-    },
-    // 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 (node) {
-    SVG.Element.call(this, node || SVG.create('svg'))
-
-    // set svg element attributes and ensure defs node
-    this.namespace()
-  },
-
-  // Inherit from
-  inherit: SVG.Container,
-
-  // Add class methods
-  extend: {
-    isRoot: function () {
-      return !this.node.parentNode || !(this.node.parentNode instanceof window.SVGElement) || this.node.parentNode.nodeName === '#document'
-    },
-    // Check if this is a root svg. If not, call docs from this element
-    doc: function () {
-      if (this.isRoot()) return this
-      return SVG.Element.prototype.doc.call(this)
-    },
-    // Add namespaces
-    namespace: function () {
-      if (!this.isRoot()) return this.doc().namespace()
-      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.isRoot()) return this.doc().defs()
-      return SVG.adopt(this.node.getElementsByTagName('defs')[0]) || this.put(new SVG.Defs())
-    },
-    // custom parent method
-    parent: function (type) {
-      if (this.isRoot()) {
-        return this.node.parentNode.nodeName === '#document' ? null : this.node.parentNode
-      }
-
-      return SVG.Element.prototype.parent.call(this, type)
-    },
-    // Removes the doc from the DOM
-    remove: function () {
-      if (!this.isRoot()) {
-        return SVG.Element.prototype.remove.call(this)
-      }
-
-      if (this.parent()) {
-        this.parent().removeChild(this.node)
-      }
-
-      return this
-    },
-    clear: function () {
-      // remove children
-      while (this.node.hasChildNodes()) {
-        this.node.removeChild(this.node.lastChild)
-      }
-      return this
-    }
-  },
-  construct: {
-    // Create nested svg document
-    nested: function () {
-      return this.put(new SVG.Doc())
-    }
-  }
-})
-
-
-SVG.Shape = SVG.invent({
-  // Initialize node
-  create: function (node) {
-    SVG.Element.call(this, node)
-  },
-
-  // Inherit from
-  inherit: SVG.Element
-})
-
-
-SVG.Bare = SVG.invent({
-  // Initialize
-  create: function (element, inherit) {
-    // construct element
-    SVG.Element.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)
-    }
-  }
-})
-
-/* global proportionalSize */
-
-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.Timeline], {
-  // 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.Timeline], {
-  // 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))
-  }
-})
-
-/* global proportionalSize */
-
-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]
-      )
-    }
-  }
-})
-
-/* global proportionalSize */
-
-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)
-  }
-})
-
-/* global proportionalSize */
-
-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, callback) {
-      if (!url) return this
-
-      var img = new window.Image()
-
-      SVG.on(img, 'load', function (e) {
-        var p = this.parent(SVG.Pattern)
-
-        // ensure image size
-        if (this.width() === 0 && this.height() === 0) {
-          this.size(img.width, img.height)
-        }
-
-        if (p instanceof SVG.Pattern) {
-          // ensure pattern size if not set
-          if (p.width() === 0 && p.height() === 0) {
-            p.size(this.width(), this.height())
-          }
-        }
-
-        if (typeof callback === 'function') {
-          callback.call(this, {
-            width: img.width,
-            height: img.height,
-            ratio: img.width / img.height,
-            url: url
-          })
-        }
-      }, this)
-
-      SVG.on(img, 'load error', function () {
-        // dont forget to unbind memory leaking events
-        SVG.off(img)
-      })
-
-      return this.attr('href', (img.src = url), SVG.xlink)
-    }
-  },
-
-  // Add parent method
-  construct: {
-    // create image element, load image and set its size
-    image: function (source, callback) {
-      return this.put(new SVG.Image()).size(0, 0).load(source, callback)
-    }
-  }
-})
-
-SVG.Text = SVG.invent({
-  // Initialize node
-  create: function (node) {
-    SVG.Element.call(this, node || 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.Parent,
-
-  // 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')
-      var 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 (text === undefined) {
-        var children = this.node.childNodes
-        var firstLine = 0
-        text = ''
-
-        for (var i = 0, len = children.length; i < len; ++i) {
-          // skip textPaths - they are no lines
-          if (children[i].nodeName === 'textPath') {
-            if (i === 0) firstLine = 1
-            continue
-          }
-
-          // add newline if its not the first child and newLined is set to true
-          if (i !== firstLine && 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 j = 0, jl = text.length; j < jl; j++) {
-          this.tspan(text[j]).newLine()
-        }
-      }
-
-      // disable build mode and rebuild lines
-      return this.build(false).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()
-    },
-    // 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
-        var blankLineOffset = 0
-        var dy = this.dom.leading * new SVG.Number(this.attr('font-size'))
-
-        this.each(function () {
-          if (this.dom.newLined) {
-            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.Parent,
-
-  // 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 position
-      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 tspan = new SVG.Tspan()
-
-    // clear if build mode is disabled
-    if (!this._build) {
-      this.clear()
-    }
-
-    // add new tspan
-    this.node.appendChild(tspan.node)
-
-    return tspan.text(text)
-  },
-  // FIXME: Does this also work for textpath?
-  // Get length of text element
-  length: function () {
-    return this.node.getComputedTextLength()
-  }
-})
-
-SVG.TextPath = SVG.invent({
-  // Initialize node
-  create: 'textPath',
-
-  // Inherit from
-  inherit: SVG.Text,
-
-  // Define parent class
-  parent: SVG.Parent,
-
-  // Add parent method
-  extend: {
-    MorphArray: SVG.PathArray,
-    // 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()
-      var pathArray = null
-
-      if (track) {
-        pathArray = track.plot(d)
-      }
-
-      return (d == null) ? pathArray : this
-    },
-    // Get the path element
-    track: function () {
-      return this.reference('href')
-    }
-  },
-  construct: {
-    textPath: function (text, path) {
-      return this.defs().path(path).text(text).addTo(this)
-    }
-  }
-})
-
-SVG.extend([SVG.Text], {
-    // Create path for text to run on
-  path: function (track) {
-    var path = new SVG.TextPath()
-
-    // if d is a path, reuse it
-    if (!(track instanceof SVG.Path)) {
-      // create path element
-      track = this.doc().defs().path(track)
-    }
-
-    // link textPath to path and add content
-    path.attr('href', '#' + track, SVG.xlink)
-
-    // add textPath element as child node and return textPath
-    return this.put(path)
-  },
-  // Todo: make this plural?
-  // Get the textPath children
-  textPath: function () {
-    return this.select('textPath')
-  }
-})
-
-SVG.extend([SVG.Path], {
-  // creates a textPath from this path
-  text: function (text) {
-    if (text instanceof SVG.Text) {
-      var txt = text.text()
-      return text.clear().path(this).text(txt)
-    }
-    return this.parent().put(new SVG.Text()).path(this).text(text)
-  }
-  // TODO: Maybe add `targets` to get all textPaths associated with this path
-})
-
-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 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 extension = {}
-//   var i
-//
-//   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.Timeline], extension)
-// })
-//
-// SVG.extend([SVG.Element, SVG.Timeline], {
-//   // Let the user set the matrix directly
-//   matrix: function (mat, b, c, d, e, f) {
-//     // Act as a getter
-//     if (mat == null) {
-//       return new SVG.Matrix(this)
-//     }
-//
-//     // Act as a setter, the user can pass a matrix or a set of numbers
-//     return this.attr('transform', new SVG.Matrix(mat, b, c, d, e, f))
-//   },
-//
-//   // Map rotation to transform
-//   rotate: function (angle, cx, cy) {
-//     return this.transform({rotate: angle, ox: cx, oy: cy}, true)
-//   },
-//
-//   // Map skew to transform
-//   skew: function (x, y, cx, cy) {
-//     return arguments.length === 1 || arguments.length === 3
-//       ? this.transform({skew: x, ox: y, oy: cx}, true)
-//       : this.transform({skew: [x, y], ox: cx, oy: cy}, true)
-//   },
-//
-//   shear: function (lam, cx, cy) {
-//     return this.transform({shear: lam, ox: cx, oy: cy}, true)
-//   },
-//
-//   // Map scale to transform
-//   scale: function (x, y, cx, cy) {
-//     return arguments.length === 1 || arguments.length === 3
-//       ? this.transform({ scale: x, ox: y, oy: cx }, true)
-//       : this.transform({ scale: [x, y], ox: cx, oy: cy }, true)
-//   },
-//
-//   // Map translate to transform
-//   translate: function (x, y) {
-//     return this.transform({ translate: [x, y] }, true)
-//   },
-//
-//   // Map relative translations to transform
-//   relative: function (x, y) {
-//     return this.transform({ relative: [x, y] }, true)
-//   },
-//
-//   // Map flip to transform
-//   flip: function (direction, around) {
-//     var directionString = typeof direction === 'string' ? direction
-//       : isFinite(direction) ? 'both'
-//       : 'both'
-//     var origin = (direction === 'both' && isFinite(around)) ? [around, around]
-//       : (direction === 'x') ? [around, 0]
-//       : (direction === 'y') ? [0, around]
-//       : isFinite(direction) ? [direction, direction]
-//       : [0, 0]
-//     this.transform({flip: directionString, origin: origin}, true)
-//   },
-//
-//   // 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.Timeline ? 0 : this.x()), true)
-//   },
-//
-//   // Relative move over y axis
-//   dy: function (y) {
-//     return this.y(new SVG.Number(y).plus(this instanceof SVG.Timeline ? 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.Timeline], {
-//   // Add x and y radius
-//   radius: function (x, y) {
-//     var type = (this._target || this).type
-//     return type === 'radialGradient' || type === 'radialGradient'
-//       ? 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 new SVG.Point(this.node.getPointAtLength(length))
-//   }
-// })
-//
-// SVG.extend([SVG.Parent, SVG.Text, SVG.Tspan, SVG.Timeline], {
-//   // 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.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 key in k) {
-        this.remember(key, k[key])
-      }
-    } else if (arguments.length === 1) {
-      // retrieve memory
-      return this.memory()[k]
-    } else {
-      // store memory
-      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 = {})
-  }
-})
-
-/* global idFromReference */
-
-// 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 SVG.utils.map((parent || document).querySelectorAll(query), function (node) {
-    return SVG.adopt(node)
-  })
-}
-
-SVG.$$ = function (query, parent) {
-  return SVG.utils.map((parent || document).querySelectorAll(query), function (node) {
-    return SVG.adopt(node)
-  })
-}
-
-SVG.$ = function (query, parent) {
-  return SVG.adopt((parent || document).querySelector(query))
-}
-
-SVG.extend(SVG.Parent, {
-  // Scoped select method
-  select: function (query) {
-    return SVG.select(query, this.node)
-  }
-})
-
-/* eslint no-unused-vars: 0 */
-
-function createElement (element, makeNested) {
-  if (element instanceof SVG.Element) return element
-
-  if (typeof element === 'object') {
-    return SVG.adopt(element)
-  }
-
-  if (element == null) {
-    return new SVG.Doc()
-  }
-
-  if (typeof element === 'string' && element.charAt(0) !== '<') {
-    return SVG.adopt(document.querySelector(element))
-  }
-
-  var node = SVG.create('svg')
-  node.innerHTML = element
-
-  element = SVG.adopt(node.firstElementChild)
-
-  return element
-}
-
-function isNulledBox (box) {
-  return !box.w && !box.h && !box.x && !box.y
-}
-
-function domContains (node) {
-  return (document.documentElement.contains || function (node) {
-    // This is IE - it does not support contains() for top-level SVGs
-    while (node.parentNode) {
-      node = node.parentNode
-    }
-    return node === document
-  }).call(document.documentElement, node)
-}
-
-function pathRegReplace (a, b, c, d) {
-  return c + d.replace(SVG.regex.dots, ' .')
-}
-
-// creates deep clone of array
-function arrayClone (arr) {
-  var clone = arr.slice(0)
-  for (var i = clone.length; i--;) {
-    if (Array.isArray(clone[i])) {
-      clone[i] = arrayClone(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
-  }
-}
-
-// 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] }
-}
-
-// 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.children.length - 1; i >= 0; i--) {
-    assignNewId(node.children[i])
-  }
-
-  if (node.id) {
-    return SVG.adopt(node).id(SVG.eid(node.nodeName))
-  }
-
-  return SVG.adopt(node)
-}
-
-// 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('')
-
-function closeEnough (a, b, threshold) {
-  return Math.abs(b - a) < (threshold || 1e-6)
-}
-
-// TODO: Refactor this to a static function of matrix.js
-function formatTransforms (o) {
-  // Get all of the parameters required to form the matrix
-  var flipBoth = o.flip === 'both' || o.flip === true
-  var flipX = o.flip && (flipBoth || o.flip === 'x') ? -1 : 1
-  var flipY = o.flip && (flipBoth || o.flip === 'y') ? -1 : 1
-  var skewX = o.skew && o.skew.length ? o.skew[0]
-    : isFinite(o.skew) ? o.skew
-    : isFinite(o.skewX) ? o.skewX
-    : 0
-  var skewY = o.skew && o.skew.length ? o.skew[1]
-    : isFinite(o.skew) ? o.skew
-    : isFinite(o.skewY) ? o.skewY
-    : 0
-  var scaleX = o.scale && o.scale.length ? o.scale[0] * flipX
-    : isFinite(o.scale) ? o.scale * flipX
-    : isFinite(o.scaleX) ? o.scaleX * flipX
-    : flipX
-  var scaleY = o.scale && o.scale.length ? o.scale[1] * flipY
-    : isFinite(o.scale) ? o.scale * flipY
-    : isFinite(o.scaleY) ? o.scaleY * flipY
-    : flipY
-  var shear = o.shear || 0
-  var theta = o.rotate || o.theta || 0
-  var origin = new SVG.Point(o.origin || o.around || o.ox || o.originX, o.oy || o.originY)
-  var ox = origin.x
-  var oy = origin.y
-  var position = new SVG.Point(o.position || o.px || o.positionX, o.py || o.positionY)
-  var px = position.x
-  var py = position.y
-  var translate = new SVG.Point(o.translate || o.tx || o.translateX, o.ty || o.translateY)
-  var tx = translate.x
-  var ty = translate.y
-  var relative = new SVG.Point(o.relative || o.rx || o.relativeX, o.ry || o.relativeY)
-  var rx = relative.x
-  var ry = relative.y
-
-  // Populate all of the values
-  return {
-    scaleX: scaleX,
-    scaleY: scaleY,
-    skewX: skewX,
-    skewY: skewY,
-    shear: shear,
-    theta: theta,
-    rx: rx,
-    ry: ry,
-    tx: tx,
-    ty: ty,
-    ox: ox,
-    oy: oy,
-    px: px,
-    py: py
-  }
-}
-
-function getOrigin (o, element) {
-  // Allow origin or around as the names
-  origin = o.around == null ? o.origin : o.around
-
-  // Allow the user to pass a string to rotate around a given point
-  if ( typeof origin === 'string' || origin == null ) {
-    // Get the bounding box of the element with no transformations applied
-    const string = (origin || 'center').toLowerCase().trim()
-    const { height, width, x, y } = element.bbox()
-
-    // Set the bounds eg : "bottom-left", "Top right", "middle" etc...
-    const ox = o.ox || string.includes('left') ? x
-      : string.includes('right') ? x + width
-      : x + width / 2
-    const oy = o.oy || string.includes('top') ? y
-      : string.includes('bottom') ? y + height
-      : y + height / 2
-    return [ox, oy]
-  }
-
-  // Return the origin as it is if it wasn't a string
-  return origin
-}
-
-/* globals fullBox, domContains, isNulledBox, Exception */
-
-SVG.Box = SVG.invent({
-  create: function (source) {
-    var base = [0, 0, 0, 0]
-    source = typeof source === 'string' ? source.split(SVG.regex.delimiter).map(parseFloat)
-      : Array.isArray(source) ? source
-      : typeof source === 'object' ? [source.left != null ? source.left
-      : source.x, source.top != null ? source.top : 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]
-
-    // add center, right, bottom...
-    fullBox(this)
-  },
-  extend: {
-    // Merge rect box with another, return a new instance
-    merge: function (box) {
-      var x = Math.min(this.x, box.x)
-      var y = Math.min(this.y, box.y)
-
-      return new SVG.Box(
-        x, y,
-        Math.max(this.x + this.width, box.x + box.width) - x,
-        Math.max(this.y + this.height, box.y + box.height) - y
-      )
-    },
-
-    transform: function (m) {
-      var xMin = Infinity
-      var xMax = -Infinity
-      var yMin = Infinity
-      var yMax = -Infinity
-
-      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)
-      })
-
-      return new SVG.Box(
-        xMin, yMin,
-        xMax - xMin,
-        yMax - yMin
-      )
-    },
-
-    addOffset: function () {
-      // offset by window scroll position, because getBoundingClientRect changes when window is scrolled
-      this.x += window.pageXOffset
-      this.y += window.pageYOffset
-      return this
-    },
-    toString: function () {
-      return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height
-    },
-    toArray: function () {
-      return [this.x, this.y, this.width, this.height]
-    },
-    morph: function (x, y, width, height) {
-      this.destination = new SVG.Box(x, y, width, height)
-      return this
-    },
-
-    at: function (pos) {
-      if (!this.destination) return this
-
-      return new SVG.Box(
-          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.Element,
-
-  // Constructor
-  construct: {
-    // Get bounding box
-    bbox: function () {
-      var box
-
-      try {
-        // find native bbox
-        box = this.node.getBBox()
-
-        if (isNulledBox(box) && !domContains(this.node)) {
-          throw new Exception('Element not in the dom')
-        }
-      } catch (e) {
-        try {
-          var clone = this.clone(SVG.parser().svg).show()
-          box = clone.node.getBBox()
-          clone.remove()
-        } catch (e) {
-          console.warn('Getting a bounding box of this element is not possible')
-        }
-      }
-
-      return new SVG.Box(box)
-    },
-
-    rbox: function (el) {
-      // IE11 throws an error when element not in dom
-      try {
-        var box = new SVG.Box(this.node.getBoundingClientRect())
-        if (el) return box.transform(el.screenCTM().inverse())
-        return box.addOffset()
-      } catch (e) {
-        return new SVG.Box()
-      }
-    }
-  }
-})
-
-SVG.extend([SVG.Doc, SVG.Symbol, SVG.Image, SVG.Pattern, SVG.Marker, SVG.ForeignObject, SVG.View], {
-  viewbox: function (x, y, width, height) {
-    // act as getter
-    if (x == null) return new SVG.Box(this.attr('viewBox'))
-
-    // act as setter
-    return this.attr('viewBox', new SVG.Box(x, y, width, height))
-  }
-})
-
-
-SVG.parser = function () {
-  var b
-
-  if (!SVG.parser.nodes.svg.node.parentNode) {
-    b = document.body || document.documentElement
-    SVG.parser.nodes.svg.addTo(b)
-  }
-
-  return SVG.parser.nodes
-}
-
-SVG.parser.nodes = {
-  svg: SVG().size(2, 0).css({
-    opacity: 0,
-    position: 'absolute',
-    left: '-100%',
-    top: '-100%',
-    overflow: 'hidden'
-  })
-}
-
-SVG.parser.nodes.path = SVG.parser.nodes.svg.path().node
+

+(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) {

+

+// Check that our browser supports svg

+var supported = !! document.createElementNS &&

+  !! document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect

+

+// If we don't support svg, just exit without doing anything

+if (!supported)

+  return {supported: false}

+

+// Otherwise, the library will be here

+/* global createElement, capitalize */

+/* eslint-disable new-cap */

+

+// The main wrapping element

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

+  if (SVG.supported) {

+    element = createElement(element)

+    return element

+  }

+}

+

+// Svg must be supported if we reached this stage

+SVG.supported = true

+

+// 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'

+

+// 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

+  return document.createElementNS(this.ns, name)

+}

+

+// Method for extending objects

+SVG.extend = function (modules, methods) {

+  var key, i

+

+  modules = Array.isArray(modules) ? modules : [modules]

+

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

+    if (modules[i]) {

+      for (key in methods) {

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

+      }

+    }

+  }

+}

+

+// Invent new element

+SVG.invent = function (config) {

+  // Create element initializer

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

+    : function (node) {

+      config.inherit.call(this, node || SVG.create(config.create))

+    }

+

+  // Inherit prototype

+  if (config.inherit) {

+    initializer.prototype = new config.inherit()

+    initializer.prototype.constructor = initializer

+  }

+

+  // 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 instanceof SVG.Element) return node.instance

+

+  if (!(node instanceof window.SVGElement)) {

+    return new SVG.HtmlNode(node)

+  }

+

+  // initialize variables

+  var element

+

+  // adopt with element-specific settings

+  if (node.nodeName === 'svg') {

+    element = new SVG.Doc(node)

+  } else if (node.nodeName === 'linearGradient' || node.nodeName === 'radialGradient') {

+    element = new SVG.Gradient(node)

+  } else if (SVG[capitalize(node.nodeName)]) {

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

+  } else {

+    element = new SVG.Parent(node)

+  }

+

+  return element

+}

+
+// 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

+    var il = array.length

+    var result = []

+

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

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

+    }

+

+    return result

+  },

+

+  // Filter function

+  filter: function (array, block) {

+    var i

+    var il = array.length

+    var 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.void = function () {}

+

+SVG.defaults = {

+

+  // Default animation values

+  timeline: {

+    duration: 400,

+    ease: '>',

+    delay: 0

+  },

+

+  // 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'

+  }

+}

+
+SVG.Queue = SVG.invent({

+  create: function () {

+    this._first = null

+    this._last = null

+  },

+

+  extend: {

+    push: function (value) {

+      // An item stores an id and the provided value

+      var item = value.next ? value : { value: value, next: null, prev: null }

+

+      // Deal with the queue being empty or populated

+      if (this._last) {

+        item.prev = this._last

+        this._last.next = item

+        this._last = item

+      } else {

+        this._last = item

+        this._first = item

+      }

+

+      // Update the length and return the current item

+      return item

+    },

+

+    shift: function () {

+      // Check if we have a value

+      var remove = this._first

+      if (!remove) return null

+

+      // If we do, remove it and relink things

+      this._first = remove.next

+      if (this._first) this._first.prev = null

+      this._last = this._first ? this._last : null

+      return remove.value

+    },

+

+    // Shows us the first item in the list

+    first: function () {

+      return this._first && this._first.value

+    },

+

+    // Shows us the last item in the list

+    last: function () {

+      return this._last && this._last.value

+    },

+

+    // Removes the item that was returned from the push

+    remove: function (item) {

+      // Relink the previous item

+      if (item.prev) item.prev.next = item.next

+      if (item.next) item.next.prev = item.prev

+      if (item === this._last) this._last = item.prev

+      if (item === this._first) this._first = item.next

+

+      // Invalidate item

+      item.prev = null

+      item.next = null

+    }

+  }

+})

+
+/* globals fullHex, compToHex */

+

+/*

+

+Color {

+  constructor (a, b, c, space) {

+    space: 'hsl'

+    a: 30

+    b: 20

+    c: 10

+  },

+

+  toRgb () { return new Color in rgb space }

+  toHsl () { return new Color in hsl space }

+  toLab () { return new Color in lab space }

+

+  toArray () { [space, a, b, c] }

+  fromArray () { convert it back }

+}

+

+// Conversions aren't always exact because of monitor profiles etc...

+new Color(h, s, l, 'hsl') !== new Color(r, g, b).hsl()

+new Color(100, 100, 100, [space])

+new Color('hsl(30, 20, 10)')

+

+// Sugar

+SVG.rgb(30, 20, 50).lab()

+SVG.hsl()

+SVG.lab('rgb(100, 100, 100)')

+*/

+

+// Module for color convertions

+SVG.Color = function (color, g, b) {

+  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 (Array.isArray(color)) {

+    this.r = color[0]

+    this.g = color[1]

+    this.b = color[2]

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

+    this.r = color.r

+    this.g = color.g

+    this.b = color.b

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

+    this.r = color

+    this.g = g

+    this.b = b

+  }

+}

+

+SVG.extend(SVG.Color, {

+  // Default to hex conversion

+  toString: function () {

+    return this.toHex()

+  },

+  toArray: function () {

+    return [this.r, this.g, this.b]

+  },

+  fromArray: function (a) {

+    return new SVG.Color(a)

+  },

+  // Build hex value

+  toHex: function () {

+    return '#' +

+      compToHex(Math.round(this.r)) +

+      compToHex(Math.round(this.g)) +

+      compToHex(Math.round(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)

+}

+
+/* global arrayClone */

+

+// 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]

+      var 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

+    this.value = seen

+    return 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)

+  },

+  toArray: function () {

+    return this.value

+  },

+  // 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 array.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 = arrayClone(this.value)

+    return clone

+  }

+})

+
+

+// 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(' ')

+  },

+

+  toArray: function () {

+    return this.value.reduce(function (prev, curr) {

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

+    }, [])

+  },

+

+  // 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

+    var 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 () {

+    var maxX = -Infinity

+    var maxY = -Infinity

+    var minX = Infinity

+    var minY = Infinity

+    this.value.forEach(function (el) {

+      maxX = Math.max(el[0], maxX)

+      maxY = Math.max(el[1], maxY)

+      minX = Math.min(el[0], minX)

+      minY = Math.min(el[1], minY)

+    })

+    return {x: minX, y: minY, width: maxX - minX, height: maxY - minY}

+  }

+})

+
+/* globals arrayToString, pathRegReplace */

+

+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 mlhvqtcsaz = 'mlhvqtcsaz'.split('')

+

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

+  pathHandlers[mlhvqtcsaz[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)

+    }

+  })(mlhvqtcsaz[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)

+  },

+  toArray: function () {

+    return this.value.reduce(function (prev, curr) {

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

+    }, [])

+  },

+  // 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 box = this.bbox()

+    var i, l

+

+    // 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

+    var destinationArray = this.destination.value

+    var array = []

+    var pathArray = new SVG.PathArray()

+    var 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 s

+    var 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 result = []

+    var p = new SVG.Point()

+    var p0 = new SVG.Point()

+    var index = 0

+    var 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'

+      }

+

+      result.push(pathHandlers[s].call(null,

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

+          p, p0

+        )

+      )

+    } while (len > index)

+

+    return result

+  },

+  // Get bounding box of path

+  bbox: function () {

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

+    return SVG.parser.nodes.path.getBBox()

+  }

+

+})

+
+

+// Module for unit convertions

+SVG.Number = SVG.invent({

+  // Initialize

+  create: function (value, unit) {

+    unit = Array.isArray(value) ? value[1] : unit

+    value = Array.isArray(value) ? value[0] : value

+

+    // 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

+    toArray: function () {

+      return [this.value, this.unit]

+    },

+    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)

+    }

+  }

+})

+
+// Add events to elements

+/*

+;[ 'click',

+  'dblclick',

+  'mousedown',

+  'mouseup',

+  'mouseover',

+  'mouseout',

+  'mousemove',

+  'mouseenter',

+  'mouseleave',

+  '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, event, f)

+      return this

+    }

+  })

+*/

+

+SVG.listenerId = 0

+

+// Add event binder in the SVG namespace

+SVG.on = function (node, events, listener, binding, options) {

+  var l = listener.bind(binding || node)

+  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node

+

+  // events can be an array of events or a string of events

+  events = Array.isArray(events) ? events : events.split(SVG.regex.delimiter)

+

+  // ensure instance object for nodes which are not adopted

+  n.instance = n.instance || {events: {}}

+

+  // pull event handlers from the element

+  var bag = n.instance.events

+

+  // add id to listener

+  if (!listener._svgjsListenerId) {

+    listener._svgjsListenerId = ++SVG.listenerId

+  }

+

+  events.forEach(function (event) {

+    var ev = event.split('.')[0]

+    var ns = event.split('.')[1] || '*'

+

+    // ensure valid object

+    bag[ev] = bag[ev] || {}

+    bag[ev][ns] = bag[ev][ns] || {}

+

+    // reference listener

+    bag[ev][ns][listener._svgjsListenerId] = l

+

+    // add listener

+    n.addEventListener(ev, l, options || false)

+  })

+}

+

+// Add event unbinder in the SVG namespace

+SVG.off = function (node, events, listener, options) {

+  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node

+  if (!n.instance) return

+

+  // listener can be a function or a number

+  if (typeof listener === 'function') {

+    listener = listener._svgjsListenerId

+    if (!listener) return

+  }

+

+  // pull event handlers from the element

+  var bag = n.instance.events

+

+  // events can be an array of events or a string or undefined

+  events = Array.isArray(events) ? events : (events || '').split(SVG.regex.delimiter)

+

+  events.forEach(function (event) {

+    var ev = event && event.split('.')[0]

+    var ns = event && event.split('.')[1]

+    var namespace, l

+

+    if (listener) {

+      // remove listener reference

+      if (bag[ev] && bag[ev][ns || '*']) {

+        // removeListener

+        n.removeEventListener(ev, bag[ev][ns || '*'][listener], options || false)

+

+        delete bag[ev][ns || '*'][listener]

+      }

+    } else if (ev && ns) {

+      // remove all listeners for a namespaced event

+      if (bag[ev] && bag[ev][ns]) {

+        for (l in bag[ev][ns]) { SVG.off(n, [ev, ns].join('.'), l) }

+

+        delete bag[ev][ns]

+      }

+    } else if (ns) {

+      // remove all listeners for a specific namespace

+      for (event in bag) {

+        for (namespace in bag[event]) {

+          if (ns === namespace) { SVG.off(n, [event, ns].join('.')) }

+        }

+      }

+    } else if (ev) {

+      // remove all listeners for the event

+      if (bag[ev]) {

+        for (namespace in bag[ev]) { SVG.off(n, [ev, namespace].join('.')) }

+

+        delete bag[ev]

+      }

+    } else {

+      // remove all listeners on a given node

+      for (event in bag) { SVG.off(n, event) }

+

+      n.instance.events = {}

+    }

+  })

+}

+

+SVG.dispatch = function (node, event, data) {

+  var n = node instanceof SVG.EventTarget ? node.getEventTarget() : node

+

+  // Dispatch event

+  if (event instanceof window.Event) {

+    n.dispatchEvent(event)

+  } else {

+    event = new window.CustomEvent(event, {detail: data, cancelable: true})

+    n.dispatchEvent(event)

+  }

+  return event

+}

+

+SVG.EventTarget = SVG.invent({

+  create: function () {},

+  extend: {

+    // Bind given event to listener

+    on: function (event, listener, binding, options) {

+      SVG.on(this, event, listener, binding, options)

+      return this

+    },

+    // Unbind event from listener

+    off: function (event, listener) {

+      SVG.off(this, event, listener)

+      return this

+    },

+    dispatch: function (event, data) {

+      return SVG.dispatch(this, event, data)

+    },

+    // Fire given event

+    fire: function (event, data) {

+      this.dispatch(event, data)

+      return this

+    }

+  }

+})

+
+/* global createElement */

+

+SVG.HtmlNode = SVG.invent({

+  inherit: SVG.EventTarget,

+  create: function (element) {

+    this.node = element

+  },

+

+  extend: {

+    add: function (element, i) {

+      element = createElement(element)

+

+      if (element.node !== this.node.children[i]) {

+        this.node.insertBefore(element.node, this.node.children[i] || null)

+      }

+

+      return this

+    },

+

+    put: function (element, i) {

+      this.add(element, i)

+      return element

+    },

+

+    getEventTarget: function () {

+      return this.node

+    }

+  }

+})

+
+/* global proportionalSize, assignNewId, createElement, matches, is */

+

+SVG.Element = SVG.invent({

+  inherit: SVG.EventTarget,

+

+  // Initialize node

+  create: function (node) {

+    // event listener

+    this.events = {}

+

+    // initialize data object

+    this.dom = {}

+

+    // create circular reference

+    this.node = node

+    if (this.node) {

+      this.type = node.nodeName

+      this.node.instance = this

+      this.events = node.events || {}

+

+      if (node.hasAttribute('svgjs:data')) {

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

+        this.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})

+      }

+    }

+  },

+

+  // 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) {

+      // 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 createElement(parent).put(this)

+    },

+

+    // Add element to given container and return container

+    putIn: function (parent) {

+      return createElement(parent).add(this)

+    },

+

+    // Get / set id

+    id: function (id) {

+      // generate new id if no id set

+      if (typeof id === 'undefined' && !this.node.id) {

+        this.node.id = SVG.eid(this.type)

+      }

+

+      // dont't set directly width this.node.id to make `null` work correctly

+      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.css('display', '')

+    },

+

+    // Hide element

+    hide: function () {

+      return this.css('display', 'none')

+    },

+

+    // Is element visible?

+    visible: function () {

+      return this.css('display') !== 'none'

+    },

+

+    // Return id on string conversion

+    toString: function () {

+      return this.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

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

+      }

+    },

+

+    // Get parent document

+    doc: function () {

+      var p = this.parent(SVG.Doc)

+      return p && p.doc()

+    },

+

+    // Get defs

+    defs: function () {

+      return this.doc().defs()

+    },

+

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

+    parents: function (type) {

+      var parents = []

+      var 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) {

+      var well, len

+

+      // act as a setter if svg is given

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

+        // create temporary holder

+        well = document.createElementNS(SVG.ns, 'svg')

+        // dump raw svg

+        well.innerHTML = svg

+

+        // transplant nodes

+        for (len = well.children.length; len--;) {

+          this.node.appendChild(well.firstElementChild)

+        }

+

+      // otherwise act as a getter

+      } else {

+        // write svgjs data to the dom

+        this.writeDataToDom()

+

+        return this.node.outerHTML

+      }

+

+      return this

+    },

+

+    // write svgjs data to the dom

+    writeDataToDom: function () {

+      // dump variables recursively

+      if (this.is(SVG.Parent)) {

+        this.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)

+    },

+    getEventTarget: function () {

+      return this.node

+    }

+  }

+})

+
+/* global abcdef, arrayToMatrix, closeEnough, formatTransforms */

+

+SVG.Matrix = SVG.invent({

+  // Initialize

+  create: function (source) {

+    var 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))

+      : Array.isArray(source) ? arrayToMatrix(source)

+      : (typeof source === 'object' && (

+          source.a != null || source.b != null || source.c != null ||

+          source.d != null || source.e != null || source.f != null

+        )) ? source

+      : (typeof source === 'object') ? new SVG.Matrix().transform(source)

+      : arguments.length === 6 ? arrayToMatrix([].slice.call(arguments))

+      : base

+

+    // Merge the source matrix with the base matrix

+    this.a = source.a != null ? source.a : base.a

+    this.b = source.b != null ? source.b : base.b

+    this.c = source.c != null ? source.c : base.c

+    this.d = source.d != null ? source.d : base.d

+    this.e = source.e != null ? source.e : base.e

+    this.f = source.f != null ? source.f : base.f

+  },

+

+  // Add methods

+  extend: {

+

+    // Clones this matrix

+    clone: function () {

+      return new SVG.Matrix(this)

+    },

+

+    // Transform a matrix into another matrix by manipulating the space

+    transform: function (o) {

+      // Check if o is a matrix and then left multiply it directly

+      if (o.a != null) {

+        var matrix = new SVG.Matrix(o)

+        var newMatrix = this.lmultiply(matrix)

+        return newMatrix

+      }

+

+      // Get the proposed transformations and the current transformations

+      var t = formatTransforms(o)

+      var currentTransform = new SVG.Matrix(this)

+

+      // Construct the resulting matrix

+      var transformer = new SVG.Matrix()

+        .translate(-t.ox, -t.oy)

+        .scale(t.scaleX, t.scaleY)

+        .skew(t.skewX, t.skewY)

+        .shear(t.shear)

+        .rotate(t.theta)

+        .translate(t.ox, t.oy)

+        .translate(t.rx, t.ry)

+        .lmultiply(currentTransform)

+

+      // If we want the origin at a particular place, we force it there

+      if (isFinite(t.px) || isFinite(t.py)) {

+        // Figure out where the origin went and the delta to get there

+        var current = new SVG.Point(t.ox - t.rx, t.oy - t.ry).transform(transformer)

+        var dx = t.px ? t.px - current.x : 0

+        var dy = t.py ? t.py - current.y : 0

+

+        // Apply another translation

+        transformer = transformer.translate(dx, dy)

+      }

+

+      // We can apply translations after everything else

+      transformer = transformer.translate(t.tx, t.ty)

+      return transformer

+    },

+

+    // Applies a matrix defined by its affine parameters

+    compose: function (o) {

+      if (o.origin) {

+        o.originX = o.origin[0]

+        o.originY = o.origin[1]

+      }

+      // Get the parameters

+      var ox = o.originX || 0

+      var oy = o.originY || 0

+      var sx = o.scaleX || 1

+      var sy = o.scaleY || 1

+      var lam = o.shear || 0

+      var theta = o.rotate || 0

+      var tx = o.translateX || 0

+      var ty = o.translateY || 0

+

+      // Apply the standard matrix

+      var result = new SVG.Matrix()

+        .translate(-ox, -oy)

+        .scale(sx, sy)

+        .shear(lam)

+        .rotate(theta)

+        .translate(tx, ty)

+        .lmultiply(this)

+        .translate(ox, oy)

+      return result

+    },

+

+    // Decomposes this matrix into its affine parameters

+    decompose: function (cx=0, cy=0) {

+      // Get the parameters from the matrix

+      var a = this.a

+      var b = this.b

+      var c = this.c

+      var d = this.d

+      var e = this.e

+      var f = this.f

+

+      // Figure out if the winding direction is clockwise or counterclockwise

+      var determinant = a * d - b * c

+      var ccw = determinant > 0 ? 1 : -1

+

+      // Since we only shear in x, we can use the x basis to get the x scale

+      // and the rotation of the resulting matrix

+      var sx = ccw * Math.sqrt(a * a + b * b)

+      var thetaRad = Math.atan2(ccw * b, ccw * a)

+      var theta = 180 / Math.PI * thetaRad

+      var ct = Math.cos(thetaRad)

+      var st = Math.sin(thetaRad)

+

+      // We can then solve the y basis vector simultaneously to get the other

+      // two affine parameters directly from these parameters

+      var lam = (a * c + b * d) / determinant

+      var sy = ((c * sx) / (lam * a - b)) || ((d * sx) / (lam * b + a))

+

+      let tx = e - cx + cx * ct * sx + cy * (lam * ct * sx - st * sy)

+      let ty = f - cy + cx * st * sx + cy * (lam * st * sx + ct * sy)

+

+      // Construct the decomposition and return it

+      return {

+        // Return the affine parameters

+        scaleX: sx,

+        scaleY: sy,

+        shear: lam,

+        rotate: theta,

+        translateX: tx,

+        translateY: ty,

+        originX: cx,

+        originY: cy,

+

+        // Return the matrix parameters

+        a: this.a,

+        b: this.b,

+        c: this.c,

+        d: this.d,

+        e: this.e,

+        f: this.f

+      }

+    },

+

+    // 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

+    },

+

+    // Left multiplies by the given matrix

+    multiply: function (matrix) {

+      // Get the matrices

+      var l = this

+      var r = new SVG.Matrix(matrix)

+

+      // Work out the product directly

+      var a = l.a * r.a + l.c * r.b

+      var b = l.b * r.a + l.d * r.b

+      var c = l.a * r.c + l.c * r.d

+      var d = l.b * r.c + l.d * r.d

+      var e = l.e + l.a * r.e + l.c * r.f

+      var f = l.f + l.b * r.e + l.d * r.f

+

+      // Form the matrix and return it

+      var product = new SVG.Matrix(a, b, c, d, e, f)

+      return product

+    },

+

+    lmultiply: function (matrix) {

+      var result = new SVG.Matrix(matrix).multiply(this)

+      return result

+    },

+

+    // Inverses matrix

+    inverse: function () {

+      // Get the current parameters out of the matrix

+      var a = this.a

+      var b = this.b

+      var c = this.c

+      var d = this.d

+      var e = this.e

+      var f = this.f

+

+      // Invert the 2x2 matrix in the top left

+      var det = a * d - b * c

+      if (!det) throw new Error('Cannot invert ' + this)

+

+      // Calculate the top 2x2 matrix

+      var na = d / det

+      var nb = -b / det

+      var nc = -c / det

+      var nd = a / det

+

+      // Apply the inverted matrix to the top right

+      var ne = -(na * e + nc * f)

+      var nf = -(nb * e + nd * f)

+

+      // Construct the inverted matrix

+      return new SVG.Matrix(na, nb, nc, nd, ne, nf)

+    },

+

+    // Translate matrix

+    translate: function (x, y) {

+      return new SVG.Matrix(this).translateO(x, y)

+    },

+

+    translateO: function (x, y) {

+      this.e += x || 0

+      this.f += y || 0

+      return this

+    },

+

+    // Scale matrix

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

+      // Support uniform scaling

+      if (arguments.length === 1) {

+        y = x

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

+        cy = cx

+        cx = y

+        y = x

+      }

+

+      // Scale the current matrix

+      var scale = new SVG.Matrix(x, 0, 0, y, 0, 0)

+      var matrix = this.around(cx, cy, scale)

+      return matrix

+    },

+

+    // Rotate matrix

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

+      // Convert degrees to radians

+      r = SVG.utils.radians(r)

+

+      // Construct the rotation matrix

+      var rotation = new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0)

+      var matrix = this.around(cx, cy, rotation)

+      return matrix

+    },

+

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

+    flip: function (axis, around) {

+      return axis === 'x' ? this.scale(-1, 1, around, 0)

+        : axis === 'y' ? this.scale(1, -1, 0, around)

+        : this.scale(-1, -1, axis, around || axis) // Define an x, y flip point

+    },

+

+    // Shear matrix

+    shear: function (a, cx, cy) {

+      var shear = new SVG.Matrix(1, 0, a, 1, 0, 0)

+      var matrix = this.around(cx, cy, shear)

+      return matrix

+    },

+

+    // Skew Matrix

+    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)

+

+      // Construct the matrix

+      var skew = new SVG.Matrix(1, Math.tan(y), Math.tan(x), 1, 0, 0)

+      var matrix = this.around(cx, cy, skew)

+      return matrix

+    },

+

+    // 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) {

+      var dx = cx || 0

+      var dy = cy || 0

+      return this.translate(-dx, -dy).lmultiply(matrix).translate(dx, dy)

+    },

+

+    // Convert to native SVGMatrix

+    native: function () {

+      // create new matrix

+      var matrix = SVG.parser.nodes.svg.node.createSVGMatrix()

+

+      // update with current values

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

+        matrix[abcdef[i]] = this[abcdef[i]]

+      }

+

+      return matrix

+    },

+

+    // Check if two matrices are equal

+    equals: function (other) {

+      var comp = new SVG.Matrix(other)

+      return closeEnough(this.a, comp.a) && closeEnough(this.b, comp.b) &&

+        closeEnough(this.c, comp.c) && closeEnough(this.d, comp.d) &&

+        closeEnough(this.e, comp.e) && closeEnough(this.f, comp.f)

+    },

+

+    // Convert matrix to string

+    toString: function () {

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

+    },

+

+    toArray: function () {

+      return [this.a, this.b, this.c, this.d, this.e, this.f]

+    },

+

+    valueOf: function () {

+      return {

+        a: this.a,

+        b: this.b,

+        c: this.c,

+        d: this.d,

+        e: this.e,

+        f: 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.Doc && !this.isRoot()) {

+        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, base) {

+    var source

+    base = 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: x, y: y}

+

+    // merge source

+    this.x = source.x == null ? base.x : source.x

+    this.y = source.y == null ? base.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.nodes.svg.node.createSVGPoint()

+

+      // update with current values

+      point.x = this.x

+      point.y = this.y

+      return point

+    },

+

+    // transform point with matrix

+    transform: function (m) {

+      // Perform the matrix multiplication

+      var x = m.a * this.x + m.c * this.y + m.e

+      var y = m.b * this.x + m.d * this.y + m.f

+

+      // Return the required point

+      return new SVG.Point(x, y)

+    }

+  }

+})

+

+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 {

+      // convert image fill and stroke to patterns

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

+        if (SVG.regex.isImage.test(v)) {

+          v = this.doc().defs().image(v)

+        }

+

+        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)

+      } else if (SVG.Color.isColor(v)) {

+        // ensure full hex color

+        v = new SVG.Color(v)

+      } else if (Array.isArray(v)) {

+        // parse array values

+        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

+  }

+})

+
+/* global arrayToMatrix */

+

+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) })

+        ]

+      })

+      .reverse()

+      // merge every transformation into one matrix

+      .reduce(function (matrix, transform) {

+        if (transform[0] === 'matrix') {

+          return matrix.lmultiply(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.extend(SVG.Element, {

+

+  // Add transformations

+  transform: function (o, relative) {

+    // Act as a getter if no object was passed

+    if (o == null || typeof o === 'string') {

+      var decomposed = new SVG.Matrix(this).decompose()

+      return decomposed[o] || decomposed

+    }

+

+    // Set the origin according to the defined transform

+    o.origin = getOrigin (o, this)

+

+    // The user can pass a boolean, an SVG.Element or an SVG.Matrix or nothing

+    var cleanRelative = relative === true ? this : (relative || false)

+    var result = new SVG.Matrix(cleanRelative).transform(o)

+    return this.attr('transform', result)

+  }

+})

+

+SVG.extend(SVG.Timeline, {

+  transform: function (o, relative, affine) {

+

+  //   // 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()

+  // }

+  //     // 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()

+  }

+})

+
+/* global camelCase */

+

+SVG.extend(SVG.Element, {

+  // Dynamic style generator

+  css: function (s, v) {

+    var ret = {}

+    var t, i

+    if (arguments.length === 0) {

+      // get full style as object

+      this.node.style.cssText.split(/\s*;\s*/).filter(function (el) { return !!el.length }).forEach(function (el) {

+        t = el.split(/\s*:\s*/)

+        ret[t[0]] = t[1]

+      })

+      return ret

+    }

+

+    if (arguments.length < 2) {

+      // get style properties in the array

+      if (Array.isArray(s)) {

+        for (i = s.length; i--;) {

+          ret[camelCase(s[i])] = this.node.style[camelCase(s[i])]

+        }

+        return ret

+      }

+

+      // get style for property

+      if (typeof s === 'string') {

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

+      }

+

+      // set styles in object

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

+        for (i in s) {

+          // set empty string if null/undefined/'' was given

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

+        }

+      }

+    }

+

+    // set style for property

+    if (arguments.length === 2) {

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

+    }

+

+    return this

+  }

+})

+
+/* global createElement */

+

+SVG.Parent = SVG.invent({

+  // Initialize node

+  create: function (node) {

+    SVG.Element.call(this, node)

+  },

+

+  // Inherit from

+  inherit: SVG.Element,

+

+  // Add class methods

+  extend: {

+    // Returns all child elements

+    children: function () {

+      return SVG.utils.map(this.node.children, function (node) {

+        return SVG.adopt(node)

+      })

+    },

+    // Add given element at a position

+    add: function (element, i) {

+      element = createElement(element)

+

+      if (element.node !== this.node.children[i]) {

+        this.node.insertBefore(element.node, this.node.children[i] || null)

+      }

+

+      return this

+    },

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

+    put: function (element, i) {

+      this.add(element, i)

+      return element.instance || 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.children).indexOf(element.node)

+    },

+    // Get a element at the given index

+    get: function (i) {

+      return SVG.adopt(this.node.children[i])

+    },

+    // Get first child

+    first: function () {

+      return this.get(0)

+    },

+    // Get the last child

+    last: function () {

+      return this.get(this.node.children.length - 1)

+    },

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

+    each: function (block, deep) {

+      var children = this.children()

+      var i, il

+

+      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.Parent)) {

+          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

+    }

+  }

+

+})

+
+SVG.extend(SVG.Parent, {

+  flatten: function (parent) {

+    // flattens is only possible for nested svgs and groups

+    if (!(this instanceof SVG.G || this instanceof SVG.Doc)) {

+      return this

+    }

+

+    parent = parent || (this instanceof SVG.Doc && this.isRoot() ? this : this.parent(SVG.Parent))

+

+    this.each(function () {

+      if (this instanceof SVG.Defs) return this

+      if (this instanceof SVG.Parent) return this.flatten(parent)

+      return this.toParent(parent)

+    })

+

+    // we need this so that SVG.Doc does not get removed

+    this.node.firstElementChild || this.remove()

+

+    return this

+  },

+  ungroup: function (parent) {

+    // ungroup is only possible for nested svgs and groups

+    if (!(this instanceof SVG.G || (this instanceof SVG.Doc && !this.isRoot()))) {

+      return this

+    }

+

+    parent = parent || this.parent(SVG.Parent)

+

+    this.each(function () {

+      return this.toParent(parent)

+    })

+

+    // we need this so that SVG.Doc does not get removed

+    this.remove()

+

+    return this

+  }

+})

+
+SVG.Container = SVG.invent({

+  // Initialize node

+  create: function (node) {

+    SVG.Element.call(this, node)

+  },

+

+  // Inherit from

+  inherit: SVG.Parent

+})

+
+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: {

+  },

+

+  // 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)

+  prev: function () {

+    return this.siblings()[this.position() - 1]

+  },

+

+  // Send given element one step forward

+  forward: function () {

+    var i = this.position() + 1

+    var 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: 'mask',

+

+  // Inherit from

+  inherit: SVG.Container,

+

+  // Add class methods

+  extend: {

+    // Unmask all masked elements and remove itself

+    remove: function () {

+      // unmask all targets

+      this.targets().forEach(function (el) {

+        el.unmask()

+      })

+

+      // remove mask from parent

+      return SVG.Element.prototype.remove.call(this)

+    },

+

+    targets: function () {

+      return SVG.select('svg [mask*="' + this.id() + '"]')

+    }

+  },

+

+  // 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

+    var masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element)

+

+    // apply mask

+    return this.attr('mask', 'url("#' + masker.id() + '")')

+  },

+  // Unmask element

+  unmask: function () {

+    return this.attr('mask', null)

+  },

+  masker: function () {

+    return this.reference('mask')

+  }

+})

+
+SVG.ClipPath = SVG.invent({

+  // Initialize node

+  create: 'clipPath',

+

+  // Inherit from

+  inherit: SVG.Container,

+

+  // Add class methods

+  extend: {

+    // Unclip all clipped elements and remove itself

+    remove: function () {

+      // unclip all targets

+      this.targets().forEach(function (el) {

+        el.unclip()

+      })

+

+      // remove clipPath from parent

+      return SVG.Element.prototype.remove.call(this)

+    },

+

+    targets: function () {

+      return SVG.select('svg [clip-path*="' + this.id() + '"]')

+    }

+  },

+

+  // 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

+    var clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)

+

+    // apply mask

+    return this.attr('clip-path', 'url("#' + clipper.id() + '")')

+  },

+  // Unclip element

+  unclip: function () {

+    return this.attr('clip-path', null)

+  },

+  clipper: function () {

+    return this.reference('clip-path')

+  }

+

+})

+
+SVG.Gradient = SVG.invent({

+  // Initialize node

+  create: function (type) {

+    SVG.Element.call(this, typeof type === 'object' ? type : SVG.create(type + 'Gradient'))

+  },

+

+  // Inherit from

+  inherit: SVG.Container,

+

+  // Add class methods

+  extend: {

+    // Add a color stop

+    stop: 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

+    url: function () {

+      return 'url(#' + this.id() + ')'

+    },

+    // Alias string convertion to fill

+    toString: function () {

+      return this.url()

+    },

+    // 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.Timeline], {

+  // From position

+  from: function (x, y) {

+    return (this._target || this).type === 'radialGradient'

+      ? 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 === 'radialGradient'

+      ? 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

+    url: 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.url()

+    },

+    // 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 (node) {

+    SVG.Element.call(this, node || SVG.create('svg'))

+

+    // set svg element attributes and ensure defs node

+    this.namespace()

+  },

+

+  // Inherit from

+  inherit: SVG.Container,

+

+  // Add class methods

+  extend: {

+    isRoot: function () {

+      return !this.node.parentNode || !(this.node.parentNode instanceof window.SVGElement) || this.node.parentNode.nodeName === '#document'

+    },

+    // Check if this is a root svg. If not, call docs from this element

+    doc: function () {

+      if (this.isRoot()) return this

+      return SVG.Element.prototype.doc.call(this)

+    },

+    // Add namespaces

+    namespace: function () {

+      if (!this.isRoot()) return this.doc().namespace()

+      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.isRoot()) return this.doc().defs()

+      return SVG.adopt(this.node.getElementsByTagName('defs')[0]) || this.put(new SVG.Defs())

+    },

+    // custom parent method

+    parent: function (type) {

+      if (this.isRoot()) {

+        return this.node.parentNode.nodeName === '#document' ? null : this.node.parentNode

+      }

+

+      return SVG.Element.prototype.parent.call(this, type)

+    },

+    // Removes the doc from the DOM

+    remove: function () {

+      if (!this.isRoot()) {

+        return SVG.Element.prototype.remove.call(this)

+      }

+

+      if (this.parent()) {

+        this.parent().removeChild(this.node)

+      }

+

+      return this

+    },

+    clear: function () {

+      // remove children

+      while (this.node.hasChildNodes()) {

+        this.node.removeChild(this.node.lastChild)

+      }

+      return this

+    }

+  },

+  construct: {

+    // Create nested svg document

+    nested: function () {

+      return this.put(new SVG.Doc())

+    }

+  }

+})

+
+

+SVG.Shape = SVG.invent({

+  // Initialize node

+  create: function (node) {

+    SVG.Element.call(this, node)

+  },

+

+  // Inherit from

+  inherit: SVG.Element

+})

+
+

+SVG.Bare = SVG.invent({

+  // Initialize

+  create: function (element, inherit) {

+    // construct element

+    SVG.Element.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)

+    }

+  }

+})

+
+/* global proportionalSize */

+

+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.Timeline], {

+  // 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.Timeline], {

+  // 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))

+  }

+})

+
+/* global proportionalSize */

+

+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]

+      )

+    }

+  }

+})

+
+/* global proportionalSize */

+

+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)

+  }

+})

+
+/* global proportionalSize */

+

+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, callback) {

+      if (!url) return this

+

+      var img = new window.Image()

+

+      SVG.on(img, 'load', function (e) {

+        var p = this.parent(SVG.Pattern)

+

+        // ensure image size

+        if (this.width() === 0 && this.height() === 0) {

+          this.size(img.width, img.height)

+        }

+

+        if (p instanceof SVG.Pattern) {

+          // ensure pattern size if not set

+          if (p.width() === 0 && p.height() === 0) {

+            p.size(this.width(), this.height())

+          }

+        }

+

+        if (typeof callback === 'function') {

+          callback.call(this, {

+            width: img.width,

+            height: img.height,

+            ratio: img.width / img.height,

+            url: url

+          })

+        }

+      }, this)

+

+      SVG.on(img, 'load error', function () {

+        // dont forget to unbind memory leaking events

+        SVG.off(img)

+      })

+

+      return this.attr('href', (img.src = url), SVG.xlink)

+    }

+  },

+

+  // Add parent method

+  construct: {

+    // create image element, load image and set its size

+    image: function (source, callback) {

+      return this.put(new SVG.Image()).size(0, 0).load(source, callback)

+    }

+  }

+})

+
+SVG.Text = SVG.invent({

+  // Initialize node

+  create: function (node) {

+    SVG.Element.call(this, node || 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.Parent,

+

+  // 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')

+      var 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 (text === undefined) {

+        var children = this.node.childNodes

+        var firstLine = 0

+        text = ''

+

+        for (var i = 0, len = children.length; i < len; ++i) {

+          // skip textPaths - they are no lines

+          if (children[i].nodeName === 'textPath') {

+            if (i === 0) firstLine = 1

+            continue

+          }

+

+          // add newline if its not the first child and newLined is set to true

+          if (i !== firstLine && 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 j = 0, jl = text.length; j < jl; j++) {

+          this.tspan(text[j]).newLine()

+        }

+      }

+

+      // disable build mode and rebuild lines

+      return this.build(false).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()

+    },

+    // 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

+        var blankLineOffset = 0

+        var dy = this.dom.leading * new SVG.Number(this.attr('font-size'))

+

+        this.each(function () {

+          if (this.dom.newLined) {

+            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.Parent,

+

+  // 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 position

+      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 tspan = new SVG.Tspan()

+

+    // clear if build mode is disabled

+    if (!this._build) {

+      this.clear()

+    }

+

+    // add new tspan

+    this.node.appendChild(tspan.node)

+

+    return tspan.text(text)

+  },

+  // FIXME: Does this also work for textpath?

+  // Get length of text element

+  length: function () {

+    return this.node.getComputedTextLength()

+  }

+})

+
+SVG.TextPath = SVG.invent({

+  // Initialize node

+  create: 'textPath',

+

+  // Inherit from

+  inherit: SVG.Text,

+

+  // Define parent class

+  parent: SVG.Parent,

+

+  // Add parent method

+  extend: {

+    MorphArray: SVG.PathArray,

+    // 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()

+      var pathArray = null

+

+      if (track) {

+        pathArray = track.plot(d)

+      }

+

+      return (d == null) ? pathArray : this

+    },

+    // Get the path element

+    track: function () {

+      return this.reference('href')

+    }

+  },

+  construct: {

+    textPath: function (text, path) {

+      return this.defs().path(path).text(text).addTo(this)

+    }

+  }

+})

+

+SVG.extend([SVG.Text], {

+    // Create path for text to run on

+  path: function (track) {

+    var path = new SVG.TextPath()

+

+    // if d is a path, reuse it

+    if (!(track instanceof SVG.Path)) {

+      // create path element

+      track = this.doc().defs().path(track)

+    }

+

+    // link textPath to path and add content

+    path.attr('href', '#' + track, SVG.xlink)

+

+    // add textPath element as child node and return textPath

+    return this.put(path)

+  },

+  // Todo: make this plural?

+  // Get the textPath children

+  textPath: function () {

+    return this.select('textPath')

+  }

+})

+

+SVG.extend([SVG.Path], {

+  // creates a textPath from this path

+  text: function (text) {

+    if (text instanceof SVG.Text) {

+      var txt = text.text()

+      return text.clear().path(this).text(txt)

+    }

+    return this.parent().put(new SVG.Text()).path(this).text(text)

+  }

+  // TODO: Maybe add `targets` to get all textPaths associated with this path

+})

+
+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 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 extension = {}

+//   var i

+//

+//   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.Timeline], extension)

+// })

+//

+// SVG.extend([SVG.Element, SVG.Timeline], {

+//   // Let the user set the matrix directly

+//   matrix: function (mat, b, c, d, e, f) {

+//     // Act as a getter

+//     if (mat == null) {

+//       return new SVG.Matrix(this)

+//     }

+//

+//     // Act as a setter, the user can pass a matrix or a set of numbers

+//     return this.attr('transform', new SVG.Matrix(mat, b, c, d, e, f))

+//   },

+//

+//   // Map rotation to transform

+//   rotate: function (angle, cx, cy) {

+//     return this.transform({rotate: angle, ox: cx, oy: cy}, true)

+//   },

+//

+//   // Map skew to transform

+//   skew: function (x, y, cx, cy) {

+//     return arguments.length === 1 || arguments.length === 3

+//       ? this.transform({skew: x, ox: y, oy: cx}, true)

+//       : this.transform({skew: [x, y], ox: cx, oy: cy}, true)

+//   },

+//

+//   shear: function (lam, cx, cy) {

+//     return this.transform({shear: lam, ox: cx, oy: cy}, true)

+//   },

+//

+//   // Map scale to transform

+//   scale: function (x, y, cx, cy) {

+//     return arguments.length === 1 || arguments.length === 3

+//       ? this.transform({ scale: x, ox: y, oy: cx }, true)

+//       : this.transform({ scale: [x, y], ox: cx, oy: cy }, true)

+//   },

+//

+//   // Map translate to transform

+//   translate: function (x, y) {

+//     return this.transform({ translate: [x, y] }, true)

+//   },

+//

+//   // Map relative translations to transform

+//   relative: function (x, y) {

+//     return this.transform({ relative: [x, y] }, true)

+//   },

+//

+//   // Map flip to transform

+//   flip: function (direction, around) {

+//     var directionString = typeof direction === 'string' ? direction

+//       : isFinite(direction) ? 'both'

+//       : 'both'

+//     var origin = (direction === 'both' && isFinite(around)) ? [around, around]

+//       : (direction === 'x') ? [around, 0]

+//       : (direction === 'y') ? [0, around]

+//       : isFinite(direction) ? [direction, direction]

+//       : [0, 0]

+//     this.transform({flip: directionString, origin: origin}, true)

+//   },

+//

+//   // 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.Timeline ? 0 : this.x()), true)

+//   },

+//

+//   // Relative move over y axis

+//   dy: function (y) {

+//     return this.y(new SVG.Number(y).plus(this instanceof SVG.Timeline ? 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.Timeline], {

+//   // Add x and y radius

+//   radius: function (x, y) {

+//     var type = (this._target || this).type

+//     return type === 'radialGradient' || type === 'radialGradient'

+//       ? 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 new SVG.Point(this.node.getPointAtLength(length))

+//   }

+// })

+//

+// SVG.extend([SVG.Parent, SVG.Text, SVG.Tspan, SVG.Timeline], {

+//   // 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.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 key in k) {

+        this.remember(key, k[key])

+      }

+    } else if (arguments.length === 1) {

+      // retrieve memory

+      return this.memory()[k]

+    } else {

+      // store memory

+      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 = {})

+  }

+})

+
+/* global idFromReference */

+

+// 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 SVG.utils.map((parent || document).querySelectorAll(query), function (node) {

+    return SVG.adopt(node)

+  })

+}

+

+SVG.$$ = function (query, parent) {

+  return SVG.utils.map((parent || document).querySelectorAll(query), function (node) {

+    return SVG.adopt(node)

+  })

+}

+

+SVG.$ = function (query, parent) {

+  return SVG.adopt((parent || document).querySelector(query))

+}

+

+SVG.extend(SVG.Parent, {

+  // Scoped select method

+  select: function (query) {

+    return SVG.select(query, this.node)

+  }

+})

+
+/* eslint no-unused-vars: 0 */

+

+function createElement (element, makeNested) {

+  if (element instanceof SVG.Element) return element

+

+  if (typeof element === 'object') {

+    return SVG.adopt(element)

+  }

+

+  if (element == null) {

+    return new SVG.Doc()

+  }

+

+  if (typeof element === 'string' && element.charAt(0) !== '<') {

+    return SVG.adopt(document.querySelector(element))

+  }

+

+  var node = SVG.create('svg')

+  node.innerHTML = element

+

+  element = SVG.adopt(node.firstElementChild)

+

+  return element

+}

+

+function isNulledBox (box) {

+  return !box.w && !box.h && !box.x && !box.y

+}

+

+function domContains (node) {

+  return (document.documentElement.contains || function (node) {

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

+    while (node.parentNode) {

+      node = node.parentNode

+    }

+    return node === document

+  }).call(document.documentElement, node)

+}

+

+function pathRegReplace (a, b, c, d) {

+  return c + d.replace(SVG.regex.dots, ' .')

+}

+

+// creates deep clone of array

+function arrayClone (arr) {

+  var clone = arr.slice(0)

+  for (var i = clone.length; i--;) {

+    if (Array.isArray(clone[i])) {

+      clone[i] = arrayClone(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

+  }

+}

+

+// 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] }

+}

+

+// 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.children.length - 1; i >= 0; i--) {

+    assignNewId(node.children[i])

+  }

+

+  if (node.id) {

+    return SVG.adopt(node).id(SVG.eid(node.nodeName))

+  }

+

+  return SVG.adopt(node)

+}

+

+// 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('')

+

+function closeEnough (a, b, threshold) {

+  return Math.abs(b - a) < (threshold || 1e-6)

+}

+

+// TODO: Refactor this to a static function of matrix.js

+function formatTransforms (o) {

+  // Get all of the parameters required to form the matrix

+  var flipBoth = o.flip === 'both' || o.flip === true

+  var flipX = o.flip && (flipBoth || o.flip === 'x') ? -1 : 1

+  var flipY = o.flip && (flipBoth || o.flip === 'y') ? -1 : 1

+  var skewX = o.skew && o.skew.length ? o.skew[0]

+    : isFinite(o.skew) ? o.skew

+    : isFinite(o.skewX) ? o.skewX

+    : 0

+  var skewY = o.skew && o.skew.length ? o.skew[1]

+    : isFinite(o.skew) ? o.skew

+    : isFinite(o.skewY) ? o.skewY

+    : 0

+  var scaleX = o.scale && o.scale.length ? o.scale[0] * flipX

+    : isFinite(o.scale) ? o.scale * flipX

+    : isFinite(o.scaleX) ? o.scaleX * flipX

+    : flipX

+  var scaleY = o.scale && o.scale.length ? o.scale[1] * flipY

+    : isFinite(o.scale) ? o.scale * flipY

+    : isFinite(o.scaleY) ? o.scaleY * flipY

+    : flipY

+  var shear = o.shear || 0

+  var theta = o.rotate || o.theta || 0

+  var origin = new SVG.Point(o.origin || o.around || o.ox || o.originX, o.oy || o.originY)

+  var ox = origin.x

+  var oy = origin.y

+  var position = new SVG.Point(o.position || o.px || o.positionX, o.py || o.positionY)

+  var px = position.x

+  var py = position.y

+  var translate = new SVG.Point(o.translate || o.tx || o.translateX, o.ty || o.translateY)

+  var tx = translate.x

+  var ty = translate.y

+  var relative = new SVG.Point(o.relative || o.rx || o.relativeX, o.ry || o.relativeY)

+  var rx = relative.x

+  var ry = relative.y

+

+  // Populate all of the values

+  return {

+    scaleX: scaleX,

+    scaleY: scaleY,

+    skewX: skewX,

+    skewY: skewY,

+    shear: shear,

+    theta: theta,

+    rx: rx,

+    ry: ry,

+    tx: tx,

+    ty: ty,

+    ox: ox,

+    oy: oy,

+    px: px,

+    py: py

+  }

+}

+

+function getOrigin (o, element) {

+  // Allow origin or around as the names

+  origin = o.around == null ? o.origin : o.around

+

+  // Allow the user to pass a string to rotate around a given point

+  if ( typeof origin === 'string' || origin == null ) {

+    // Get the bounding box of the element with no transformations applied

+    const string = (origin || 'center').toLowerCase().trim()

+    const { height, width, x, y } = element.bbox()

+

+    // Set the bounds eg : "bottom-left", "Top right", "middle" etc...

+    const ox = o.ox || string.includes('left') ? x

+      : string.includes('right') ? x + width

+      : x + width / 2

+    const oy = o.oy || string.includes('top') ? y

+      : string.includes('bottom') ? y + height

+      : y + height / 2

+    return [ox, oy]

+  }

+

+  // Return the origin as it is if it wasn't a string

+  return origin

+}

+
+/* globals fullBox, domContains, isNulledBox, Exception */

+

+SVG.Box = SVG.invent({

+  create: function (source) {

+    var base = [0, 0, 0, 0]

+    source = typeof source === 'string' ? source.split(SVG.regex.delimiter).map(parseFloat)

+      : Array.isArray(source) ? source

+      : typeof source === 'object' ? [source.left != null ? source.left

+      : source.x, source.top != null ? source.top : 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]

+

+    // add center, right, bottom...

+    fullBox(this)

+  },

+  extend: {

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

+    merge: function (box) {

+      var x = Math.min(this.x, box.x)

+      var y = Math.min(this.y, box.y)

+

+      return new SVG.Box(

+        x, y,

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

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

+      )

+    },

+

+    transform: function (m) {

+      var xMin = Infinity

+      var xMax = -Infinity

+      var yMin = Infinity

+      var yMax = -Infinity

+

+      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)

+      })

+

+      return new SVG.Box(

+        xMin, yMin,

+        xMax - xMin,

+        yMax - yMin

+      )

+    },

+

+    addOffset: function () {

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

+      this.x += window.pageXOffset

+      this.y += window.pageYOffset

+      return this

+    },

+    toString: function () {

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

+    },

+    toArray: function () {

+      return [this.x, this.y, this.width, this.height]

+    },

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

+      this.destination = new SVG.Box(x, y, width, height)

+      return this

+    },

+

+    at: function (pos) {

+      if (!this.destination) return this

+

+      return new SVG.Box(

+          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.Element,

+

+  // Constructor

+  construct: {

+    // Get bounding box

+    bbox: function () {

+      var box

+

+      try {

+        // find native bbox

+        box = this.node.getBBox()

+

+        if (isNulledBox(box) && !domContains(this.node)) {

+          throw new Exception('Element not in the dom')

+        }

+      } catch (e) {

+        try {

+          var clone = this.clone(SVG.parser().svg).show()

+          box = clone.node.getBBox()

+          clone.remove()

+        } catch (e) {

+          console.warn('Getting a bounding box of this element is not possible')

+        }

+      }

+

+      return new SVG.Box(box)

+    },

+

+    rbox: function (el) {

+      // IE11 throws an error when element not in dom

+      try {

+        var box = new SVG.Box(this.node.getBoundingClientRect())

+        if (el) return box.transform(el.screenCTM().inverse())

+        return box.addOffset()

+      } catch (e) {

+        return new SVG.Box()

+      }

+    }

+  }

+})

+

+SVG.extend([SVG.Doc, SVG.Symbol, SVG.Image, SVG.Pattern, SVG.Marker, SVG.ForeignObject, SVG.View], {

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

+    // act as getter

+    if (x == null) return new SVG.Box(this.attr('viewBox'))

+

+    // act as setter

+    return this.attr('viewBox', new SVG.Box(x, y, width, height))

+  }

+})

+
+

+SVG.parser = function () {

+  var b

+

+  if (!SVG.parser.nodes.svg.node.parentNode) {

+    b = document.body || document.documentElement

+    SVG.parser.nodes.svg.addTo(b)

+  }

+

+  return SVG.parser.nodes

+}

+

+SVG.parser.nodes = {

+  svg: SVG().size(2, 0).css({

+    opacity: 0,

+    position: 'absolute',

+    left: '-100%',

+    top: '-100%',

+    overflow: 'hidden'

+  })

+}

+

+SVG.parser.nodes.path = SVG.parser.nodes.svg.path().node

 
 /* global requestAnimationFrame */
 
@@ -4718,8 +4724,8 @@ SVG.Animator = {
         : null
   }
 }
-
-
-return SVG
-
-}));
\ No newline at end of file
+

+

+return SVG

+

+}));
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 96d4bac..9e9a409 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,14 +16,14 @@
       "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=",
       "dev": true,
       "requires": {
-        "mime-types": "2.1.18",
+        "mime-types": "~2.1.11",
         "negotiator": "0.6.1"
       }
     },
     "acorn": {
-      "version": "5.4.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.4.1.tgz",
-      "integrity": "sha512-XLmq3H/BVvW6/GbxKryGxWORz1ebilSsUDlyC27bXhWGWAZWkGwS6FLHjOlwFXNFoWFQEO/Df4u0YYd0K3BQgQ==",
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
+      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
       "dev": true
     },
     "acorn-jsx": {
@@ -32,7 +32,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -50,15 +50,13 @@
       "dev": true
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "co": "^4.6.0",
+        "json-stable-stringify": "^1.0.1"
       }
     },
     "ajv-keywords": {
@@ -73,9 +71,9 @@
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       },
       "dependencies": {
         "kind-of": {
@@ -84,7 +82,7 @@
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.6"
+            "is-buffer": "^1.1.5"
           }
         }
       }
@@ -101,7 +99,7 @@
       "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
       "dev": true,
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "ansi-wrap": "^0.1.0"
       }
     },
     "ansi-escapes": {
@@ -143,8 +141,8 @@
       "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
       "dev": true,
       "requires": {
-        "micromatch": "2.3.11",
-        "normalize-path": "2.1.1"
+        "micromatch": "^2.1.5",
+        "normalize-path": "^2.0.0"
       },
       "dependencies": {
         "arr-diff": {
@@ -153,7 +151,7 @@
           "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0"
+            "arr-flatten": "^1.0.1"
           }
         },
         "array-unique": {
@@ -168,9 +166,9 @@
           "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
           "dev": true,
           "requires": {
-            "expand-range": "1.8.2",
-            "preserve": "0.2.0",
-            "repeat-element": "1.1.2"
+            "expand-range": "^1.8.1",
+            "preserve": "^0.2.0",
+            "repeat-element": "^1.1.2"
           }
         },
         "expand-brackets": {
@@ -179,7 +177,7 @@
           "integrity": "sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=",
           "dev": true,
           "requires": {
-            "is-posix-bracket": "0.1.1"
+            "is-posix-bracket": "^0.1.0"
           }
         },
         "extglob": {
@@ -188,7 +186,7 @@
           "integrity": "sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=",
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "is-extglob": {
@@ -203,7 +201,7 @@
           "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "kind-of": {
@@ -212,7 +210,7 @@
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.6"
+            "is-buffer": "^1.1.5"
           }
         },
         "micromatch": {
@@ -221,27 +219,27 @@
           "integrity": "sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=",
           "dev": true,
           "requires": {
-            "arr-diff": "2.0.0",
-            "array-unique": "0.2.1",
-            "braces": "1.8.5",
-            "expand-brackets": "0.1.5",
-            "extglob": "0.3.2",
-            "filename-regex": "2.0.1",
-            "is-extglob": "1.0.0",
-            "is-glob": "2.0.1",
-            "kind-of": "3.2.2",
-            "normalize-path": "2.1.1",
-            "object.omit": "2.0.1",
-            "parse-glob": "3.0.4",
-            "regex-cache": "0.4.4"
+            "arr-diff": "^2.0.0",
+            "array-unique": "^0.2.1",
+            "braces": "^1.8.2",
+            "expand-brackets": "^0.1.4",
+            "extglob": "^0.3.1",
+            "filename-regex": "^2.0.0",
+            "is-extglob": "^1.0.0",
+            "is-glob": "^2.0.1",
+            "kind-of": "^3.0.2",
+            "normalize-path": "^2.0.1",
+            "object.omit": "^2.0.0",
+            "parse-glob": "^3.0.4",
+            "regex-cache": "^0.4.2"
           }
         }
       }
     },
     "app-root-path": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/app-root-path/-/app-root-path-2.0.1.tgz",
-      "integrity": "sha1-zWLc+OT9WkF+/GZNLlsQZTxlG0Y=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/app-root-path/-/app-root-path-2.1.0.tgz",
+      "integrity": "sha1-mL9lmTJ+zqGZMJhm6BQDaP0uZGo=",
       "dev": true
     },
     "archy": {
@@ -256,7 +254,7 @@
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
-        "sprintf-js": "1.0.3"
+        "sprintf-js": "~1.0.2"
       }
     },
     "arr-diff": {
@@ -307,7 +305,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "1.0.3"
+        "array-uniq": "^1.0.1"
       }
     },
     "array-uniq": {
@@ -328,8 +326,8 @@
       "integrity": "sha1-VWpcU2LAhkgyPdrrnenRS8GGTJA=",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.2",
-        "es-abstract": "1.10.0"
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
       }
     },
     "arraybuffer.slice": {
@@ -368,9 +366,9 @@
       "integrity": "sha1-dJRAWIh9goPhidlUYAlHvJj+AGI=",
       "dev": true,
       "requires": {
-        "escodegen": "1.2.0",
-        "esprima": "1.0.4",
-        "through": "2.3.8"
+        "escodegen": "~1.2.0",
+        "esprima": "~1.0.4",
+        "through": "~2.3.4"
       },
       "dependencies": {
         "escodegen": {
@@ -379,10 +377,10 @@
           "integrity": "sha1-Cd55Z3kcyVi3+Jot220jRRrzJ+E=",
           "dev": true,
           "requires": {
-            "esprima": "1.0.4",
-            "estraverse": "1.5.1",
-            "esutils": "1.0.0",
-            "source-map": "0.1.43"
+            "esprima": "~1.0.4",
+            "estraverse": "~1.5.0",
+            "esutils": "~1.0.0",
+            "source-map": "~0.1.30"
           }
         },
         "esprima": {
@@ -410,7 +408,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "amdefine": "1.0.1"
+            "amdefine": ">=0.0.4"
           }
         }
       }
@@ -440,9 +438,9 @@
       "dev": true
     },
     "atob": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.0.3.tgz",
-      "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10=",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
+      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio=",
       "dev": true
     },
     "aws-sign2": {
@@ -452,9 +450,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w==",
       "dev": true
     },
     "babel-code-frame": {
@@ -463,9 +461,9 @@
       "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^1.1.3",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.2"
       }
     },
     "babel-runtime": {
@@ -474,8 +472,8 @@
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
       "dev": true,
       "requires": {
-        "core-js": "2.5.3",
-        "regenerator-runtime": "0.11.1"
+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.11.0"
       }
     },
     "backo2": {
@@ -496,13 +494,13 @@
       "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
       "dev": true,
       "requires": {
-        "cache-base": "1.0.1",
-        "class-utils": "0.3.6",
-        "component-emitter": "1.2.1",
-        "define-property": "1.0.0",
-        "isobject": "3.0.1",
-        "mixin-deep": "1.3.1",
-        "pascalcase": "0.1.1"
+        "cache-base": "^1.0.1",
+        "class-utils": "^0.3.5",
+        "component-emitter": "^1.2.1",
+        "define-property": "^1.0.0",
+        "isobject": "^3.0.1",
+        "mixin-deep": "^1.2.0",
+        "pascalcase": "^0.1.1"
       },
       "dependencies": {
         "define-property": {
@@ -511,7 +509,36 @@
           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
           "dev": true,
           "requires": {
-            "is-descriptor": "1.0.2"
+            "is-descriptor": "^1.0.0"
+          }
+        },
+        "is-accessor-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "dev": true,
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
+        "is-data-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "dev": true,
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
+        "is-descriptor": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+          "dev": true,
+          "requires": {
+            "is-accessor-descriptor": "^1.0.0",
+            "is-data-descriptor": "^1.0.0",
+            "kind-of": "^6.0.2"
           }
         }
       }
@@ -523,9 +550,9 @@
       "dev": true
     },
     "base64-js": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.2.3.tgz",
-      "integrity": "sha512-MsAhsUW1GxCdgYSO6tAfZrNapmUKk7mWx/k5mFY/A1gBtkaCaNapTg+FExCw1r9yeaZhqx/xPg43xgTFH6KL5w==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
+      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
       "dev": true
     },
     "base64id": {
@@ -541,7 +568,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "tweetnacl": "0.14.5"
+        "tweetnacl": "^0.14.3"
       }
     },
     "beeper": {
@@ -578,27 +605,27 @@
       "dev": true
     },
     "body-parser": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
-      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
       "dev": true,
       "requires": {
         "bytes": "3.0.0",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "http-errors": "1.6.2",
-        "iconv-lite": "0.4.19",
-        "on-finished": "2.3.0",
-        "qs": "6.5.1",
-        "raw-body": "2.3.2",
-        "type-is": "1.6.16"
+        "depd": "~1.1.2",
+        "http-errors": "~1.6.3",
+        "iconv-lite": "0.4.23",
+        "on-finished": "~2.3.0",
+        "qs": "6.5.2",
+        "raw-body": "2.3.3",
+        "type-is": "~1.6.16"
       },
       "dependencies": {
         "qs": {
-          "version": "6.5.1",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
-          "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A==",
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
           "dev": true
         }
       }
@@ -609,7 +636,7 @@
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
       "requires": {
-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
       }
     },
     "brace-expansion": {
@@ -618,60 +645,49 @@
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
     "braces": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.1.tgz",
-      "integrity": "sha512-SO5lYHA3vO6gz66erVvedSCkp7AKWdv6VcQ2N4ysXfPxdAlxAMMAdwegGGcv1Bqwm7naF1hNdk5d6AAIEHV2nQ==",
-      "dev": true,
-      "requires": {
-        "arr-flatten": "1.1.0",
-        "array-unique": "0.3.2",
-        "define-property": "1.0.0",
-        "extend-shallow": "2.0.1",
-        "fill-range": "4.0.0",
-        "isobject": "3.0.1",
-        "kind-of": "6.0.2",
-        "repeat-element": "1.1.2",
-        "snapdragon": "0.8.1",
-        "snapdragon-node": "2.1.1",
-        "split-string": "3.1.0",
-        "to-regex": "3.0.2"
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
+      "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
+      "dev": true,
+      "requires": {
+        "arr-flatten": "^1.1.0",
+        "array-unique": "^0.3.2",
+        "extend-shallow": "^2.0.1",
+        "fill-range": "^4.0.0",
+        "isobject": "^3.0.1",
+        "repeat-element": "^1.1.2",
+        "snapdragon": "^0.8.1",
+        "snapdragon-node": "^2.0.1",
+        "split-string": "^3.0.2",
+        "to-regex": "^3.0.1"
       },
       "dependencies": {
-        "define-property": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "dev": true,
-          "requires": {
-            "is-descriptor": "1.0.2"
-          }
-        },
         "extend-shallow": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
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     "void-elements": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
@@ -9040,12 +8322,12 @@
       "dev": true
     },
     "which": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "window-size": {
@@ -9055,9 +8337,9 @@
       "dev": true
     },
     "wordwrap": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
-      "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
     "wrap-ansi": {
@@ -9066,8 +8348,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       }
     },
     "wrappy": {
@@ -9082,8 +8364,8 @@
       "integrity": "sha1-oTaXafB7u2LWo3gzanhx/Hc8dAs=",
       "dev": true,
       "requires": {
-        "boom": "2.10.1",
-        "hoek": "2.16.3"
+        "boom": "2.x.x",
+        "hoek": "2.x.x"
       }
     },
     "write": {
@@ -9092,7 +8374,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "ws": {
@@ -9101,8 +8383,8 @@
       "integrity": "sha1-iiRPoFJAHgjJiGz0SoUYnh/UBn8=",
       "dev": true,
       "requires": {
-        "options": "0.0.6",
-        "ultron": "1.0.2"
+        "options": ">=0.0.5",
+        "ultron": "1.0.x"
       }
     },
     "wtf-8": {
@@ -9141,13 +8423,13 @@
       "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
       "dev": true,
       "requires": {
-        "camelcase": "2.1.1",
-        "cliui": "3.2.0",
-        "decamelize": "1.2.0",
-        "os-locale": "1.4.0",
-        "string-width": "1.0.2",
-        "window-size": "0.1.4",
-        "y18n": "3.2.1"
+        "camelcase": "^2.0.1",
+        "cliui": "^3.0.3",
+        "decamelize": "^1.1.1",
+        "os-locale": "^1.4.0",
+        "string-width": "^1.0.1",
+        "window-size": "^0.1.4",
+        "y18n": "^3.2.0"
       }
     },
     "yauzl": {
@@ -9156,7 +8438,7 @@
       "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
       "dev": true,
       "requires": {
-        "fd-slicer": "1.0.1"
+        "fd-slicer": "~1.0.1"
       }
     },
     "yeast": {
diff --git a/src/matrix.js b/src/matrix.js
index 25d686a..31d3d58 100644
--- a/src/matrix.js
+++ b/src/matrix.js
@@ -103,14 +103,14 @@ SVG.Matrix = SVG.invent({
     },
 
     // Decomposes this matrix into its affine parameters
-    decompose: function (ox=0, oy=0) {
+    decompose: function (cx=0, cy=0) {
       // Get the parameters from the matrix
       var a = this.a
       var b = this.b
       var c = this.c
       var d = this.d
-      var e = this.e - ox
-      var f = this.f - oy
+      var e = this.e
+      var f = this.f
 
       // Figure out if the winding direction is clockwise or counterclockwise
       var determinant = a * d - b * c
@@ -119,13 +119,19 @@ SVG.Matrix = SVG.invent({
       // Since we only shear in x, we can use the x basis to get the x scale
       // and the rotation of the resulting matrix
       var sx = ccw * Math.sqrt(a * a + b * b)
-      var theta = 180 / Math.PI * Math.atan2(ccw * b, ccw * a)
+      var thetaRad = Math.atan2(ccw * b, ccw * a)
+      var theta = 180 / Math.PI * thetaRad
+      var ct = Math.cos(thetaRad)
+      var st = Math.sin(thetaRad)
 
       // We can then solve the y basis vector simultaneously to get the other
       // two affine parameters directly from these parameters
       var lam = (a * c + b * d) / determinant
       var sy = ((c * sx) / (lam * a - b)) || ((d * sx) / (lam * b + a))
 
+      let tx = e - cx + cx * ct * sx + cy * (lam * ct * sx - st * sy)
+      let ty = f - cy + cx * st * sx + cy * (lam * st * sx + ct * sy)
+
       // Construct the decomposition and return it
       return {
         // Return the affine parameters
@@ -133,18 +139,18 @@ SVG.Matrix = SVG.invent({
         scaleY: sy,
         shear: lam,
         rotate: theta,
-        translateX: e + ox,
-        translateY: f + oy,
-        originX: ox,
-        originY: oy,
+        translateX: tx,
+        translateY: ty,
+        originX: cx,
+        originY: cy,
 
         // Return the matrix parameters
         a: this.a,
         b: this.b,
         c: this.c,
         d: this.d,
-        e: this.e + ox,
-        f: this.f + oy
+        e: this.e,
+        f: this.f
       }
     },
 
diff --git a/src/morph.js b/src/morph.js
index 67d14f7..022c51e 100644
--- a/src/morph.js
+++ b/src/morph.js
@@ -161,17 +161,12 @@ SVG.Morphable.TransformBag = SVG.invent({
     SVG.Matrix.call(this, obj)
 
     if (obj && obj.origin) {
-      obj.originX = origin[0]
-      obj.originY = origin[1]
+      obj.originX = obj.origin[0]
+      obj.originY = obj.origin[1]
     }
 
     this.originX = obj && obj.originX || 0
     this.originY = obj && obj.originY || 0
-
-    /*if (obj && obj.origin){
-      this.translateO(-obj.origin[0], -obj.origin[1])
-    }*/
-    //this.value = new SVG.Matrix(obj)
   },
 
   extend: {
diff --git a/src/runner.js b/src/runner.js
index 6094aaf..963f31b 100644
--- a/src/runner.js
+++ b/src/runner.js
@@ -673,21 +673,17 @@ SVG.extend(SVG.Runner, {
 
     morpher = new SVG.Morphable().type(morphType)
     morpher.stepper(this._stepper)
-    //morpher.to(transforms)
+    morpher.to(transforms)
 
     this.queue(function() {
       let element = this.element()
       element.addRunner(this)
 
-      if (!origin/* && affine*/) {
+      if (!origin && affine) {
         origin = getOrigin(transforms, element)
         transforms.origin = origin
 
-        console.log('Affine Parameters:', transforms)
-
         morpher.to(transforms)
-
-        console.log('End parameters:', morpher.to())
       }
 
       if (!relative && !this._isDeclarative) {
@@ -699,25 +695,17 @@ SVG.extend(SVG.Runner, {
       let startMatrix = new SVG.Matrix(relative ? undefined : element)
 
       // make sure to add an origin if we morph affine
-      //if (affine) {
-        /*startMatrix = startMatrix.decompose(origin[0], origin[1])
-
-        startMatrix = new SVG.Matrix().compose(startMatrix)*/
-
+      if (affine) {
         startMatrix.origin = origin
-      //}
+      }
 
       // FIXME: correct the rotation so that it takes the shortest path
 
       morpher.from(startMatrix)
-
-      console.log('Start Parameters:', morpher.from())
-
     }, function (pos) {
 
       if (!relative) this.clearTransform()
       var matrix = morpher.at(pos)
-      // matrix = matrix.translate(origin[0], origin[1])
       this.addTransform(matrix)
       return morpher.done()