fixes pattern animation (#385)

7 files changed, 232 insertions, 211 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a8d962..7a42268 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,11 @@
 - added `precision()` method to round numeric element attributes -> __TODO!__
 - added specs for `SVG.FX` -> __TODO!__
 
-# 2.1.1
+# 2.1.2 (??/??/2015)
+
+- fixed pattern and gradient animation (#385)
+
+# 2.1.1 (03/10/2015)
 
 - added custom context binding to event callback (default is the element the event is bound to)
 
diff --git a/dist/svg.js b/dist/svg.js
index e8a6615..4215af7 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -6,7 +6,7 @@
 * @copyright Wout Fierens <wout@impinc.co.uk>
 * @license MIT
 *
-* BUILT: Mon Oct 05 2015 20:47:18 GMT+0200 (Mitteleuropäische Sommerzeit)
+* BUILT: Sat Oct 10 2015 16:48:33 GMT+0200 (Mitteleuropäische Sommerzeit)
 */;
 
 (function(root, factory) {
@@ -42,7 +42,7 @@ SVG.supported = (function() {
          !! document.createElementNS(SVG.ns,'svg').createSVGRect
 })()
 
-// Don't bother to continue if SVG is not supported 
+// Don't bother to continue if SVG is not supported
 if (!SVG.supported) return false
 
 // Element id sequence
@@ -57,23 +57,23 @@ SVG.eid = function(name) {
 SVG.create = function(name) {
   // create element
   var element = document.createElementNS(this.ns, name)
-  
+
   // apply unique id
   element.setAttribute('id', this.eid(name))
-  
+
   return element
 }
 
 // Method for extending objects
 SVG.extend = function() {
   var modules, methods, key, i
-  
+
   // Get list of modules
   modules = [].slice.call(arguments)
-  
+
   // Get object with extensions
   methods = modules.pop()
-  
+
   for (i = modules.length - 1; i >= 0; i--)
     if (modules[i])
       for (key in methods)
@@ -163,37 +163,37 @@ SVG.prepare = function(element) {
 SVG.regex = {
   // Parse unit value
   unit:             /^(-?[\d\.]+)([a-z%]{0,2})$/
-  
+
   // Parse hex value
 , hex:              /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i
-  
+
   // Parse rgb value
 , rgb:              /rgb\((\d+),(\d+),(\d+)\)/
-  
+
   // Parse reference id
 , reference:        /#([a-z0-9\-_]+)/i
-  
+
   // Parse matrix wrapper
 , matrix:           /matrix\(|\)/g
 
   // Elements of a matrix
 , matrixElements:   /,*\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+)?$/
-  
+
   // Test for numeric string
 , isNumber:         /^-?[\d\.]+$/
 
@@ -210,10 +210,10 @@ SVG.utils = {
     var i
       , il = array.length
       , result = []
-    
+
     for (i = 0; i < il; i++)
       result.push(block(array[i]))
-    
+
     return result
   }
 
@@ -248,14 +248,14 @@ SVG.defaults = {
   , y:                  0
   , cx:                 0
   , cy:                 0
-    /* size */  
+    /* size */
   , width:              0
   , height:             0
-    /* radius */  
+    /* radius */
   , r:                  0
   , rx:                 0
   , ry:                 0
-    /* gradient */  
+    /* gradient */
   , offset:             0
   , 'stop-opacity':     1
   , 'stop-color':       '#000000'
@@ -264,28 +264,28 @@ SVG.defaults = {
   , 'font-family':      'Helvetica, Arial, sans-serif'
   , 'text-anchor':      'start'
   }
-  
+
 }
 // Module for color convertions
 SVG.Color = function(color) {
   var match
-  
+
   /* initialize defaults */
   this.r = 0
   this.g = 0
   this.b = 0
-  
+
   /* parse color */
   if (typeof color === 'string') {
     if (SVG.regex.isRgb.test(color)) {
       /* get rgb values */
       match = SVG.regex.rgb.exec(color.replace(/\s/g,''))
-      
+
       /* 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))
@@ -296,14 +296,14 @@ SVG.Color = function(color) {
       this.b = parseInt(match[3], 16)
 
     }
-    
+
   } else if (typeof color === 'object') {
     this.r = color.r
     this.g = color.g
     this.b = color.b
-    
+
   }
-    
+
 }
 
 SVG.extend(SVG.Color, {
@@ -349,7 +349,7 @@ SVG.extend(SVG.Color, {
     , b: ~~(this.b + (this.destination.b - this.b) * pos)
     })
   }
-  
+
 })
 
 // Testers
@@ -399,7 +399,7 @@ SVG.extend(SVG.Array, {
       while(this.value.length < this.destination.length)
         this.value.push(lastValue)
     }
-    
+
     return this
   }
   // Clean up any duplicate points
@@ -562,7 +562,7 @@ SVG.extend(SVG.PathArray, {
 , move: function(x, y) {
 		/* get bounding box of current situation */
 		var box = this.bbox()
-		
+
     /* get relative offset */
     x -= box.x
     y -= box.y
@@ -656,10 +656,10 @@ SVG.extend(SVG.PathArray, {
     var i, il, x0, y0, x1, y1, x2, y2, s, seg, segs
       , x = 0
       , y = 0
-    
+
     /* populate working path */
     SVG.parser.path.setAttribute('d', typeof array === 'string' ? array : arrayToString(array))
-    
+
     /* get segments */
     segs = SVG.parser.path.pathSegList
 
@@ -714,7 +714,7 @@ SVG.extend(SVG.PathArray, {
     /* build internal representation */
     array = []
     segs  = SVG.parser.path.pathSegList
-    
+
     for (i = 0, il = segs.numberOfItems; i < il; ++i) {
       seg = segs.getItem(i)
       s = seg.pathSegTypeAsLetter
@@ -738,7 +738,7 @@ SVG.extend(SVG.PathArray, {
       /* store segment */
       array.push(x)
     }
-    
+
     return array
   }
   // Get bounding box of path
@@ -768,13 +768,13 @@ SVG.Number = SVG.invent({
       if (unit) {
         // make value numeric
         this.value = parseFloat(unit[1])
-      
+
         // normalize
         if (unit[2] == '%')
           this.value /= 100
         else if (unit[2] == 's')
           this.value *= 1000
-      
+
         // store unit
         this.unit = unit[2]
       }
@@ -822,7 +822,7 @@ SVG.Number = SVG.invent({
     // Convert to different unit
   , to: function(unit) {
       var number = new SVG.Number(this)
-      
+
       if (typeof unit === 'string')
         number.unit = unit
 
@@ -873,21 +873,21 @@ SVG.ViewBox = function(element) {
     height = new SVG.Number(he instanceof SVG.Doc ? he.parent().offsetHeight : he.parent().height())
     he = he.parent()
   }
-  
+
   /* ensure defaults */
   this.x      = box.x
   this.y      = box.y
   this.width  = width  * wm
   this.height = height * hm
   this.zoom   = 1
-  
+
   if (view) {
     /* get width and height from viewbox */
     x      = parseFloat(view[0])
     y      = parseFloat(view[1])
     width  = parseFloat(view[2])
     height = parseFloat(view[3])
-    
+
     /* calculate zoom accoring to viewbox */
     this.zoom = ((this.width / this.height) > (width / height)) ?
       this.height / height :
@@ -898,9 +898,9 @@ SVG.ViewBox = function(element) {
     this.y      = y
     this.width  = width
     this.height = height
-    
+
   }
-  
+
 }
 
 //
@@ -909,7 +909,7 @@ SVG.extend(SVG.ViewBox, {
   toString: function() {
     return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height
   }
-  
+
 })
 
 SVG.Element = SVG.invent({
@@ -1135,7 +1135,7 @@ SVG.FX = SVG.invent({
       var akeys, skeys, key
         , element = this.target
         , fx = this
-      
+
       // dissect object if one is passed
       if (typeof d == 'object') {
         delay = d.delay
@@ -1209,7 +1209,7 @@ SVG.FX = SVG.invent({
         typeof ease == 'function' ?
           ease(pos) :
           pos
-        
+
         // run plot function
         if (fx.destination.plot) {
           element.plot(fx.destination.plot.at(pos))
@@ -1259,7 +1259,7 @@ SVG.FX = SVG.invent({
             return at({ from: from, to: to }, pos)
           })
       }
-      
+
       if (typeof d === 'number') {
         // delay animation
         this.timeout = setTimeout(function() {
@@ -1274,7 +1274,7 @@ SVG.FX = SVG.invent({
 
           // render function
           fx.render = function() {
-            
+
             if (fx.situation.play === true) {
               // calculate pos
               var time = new Date().getTime()
@@ -1283,10 +1283,10 @@ SVG.FX = SVG.invent({
               // reverse pos if animation is reversed
               if (fx.situation.reversing)
                 pos = -pos + 1
-              
+
               // process values
               fx.at(pos)
-              
+
               // finish off animation
               if (time > fx.situation.finish) {
                 if (fx.destination.plot)
@@ -1304,9 +1304,9 @@ SVG.FX = SVG.invent({
 
                     // remove last loop if reverse is disabled
                     if (!fx.situation.reverse && fx.situation.loop == 1)
-                      --fx.situation.loop                      
+                      --fx.situation.loop
                   }
-                  
+
                   fx.animate(d, ease, delay)
                 } else {
                   fx.situation.after ? fx.situation.after.apply(element, [fx]) : fx.stop()
@@ -1318,15 +1318,15 @@ SVG.FX = SVG.invent({
             } else {
               fx.animationFrame = requestAnimationFrame(fx.render)
             }
-            
+
           }
 
           // start animation
           fx.render()
-          
+
         }, new SVG.Number(delay).valueOf())
       }
-      
+
       return this
     }
     // Get bounding box of target element
@@ -1339,7 +1339,7 @@ SVG.FX = SVG.invent({
       if (typeof a == 'object') {
         for (var key in a)
           this.attr(key, a[key])
-      
+
       } else {
         // get the current state
         var from = this.target.attr(a)
@@ -1351,7 +1351,7 @@ SVG.FX = SVG.invent({
             v = this.attrs[a].destination.multiply(v)
 
           // prepare matrix for morphing
-          this.attrs[a] = this.target.ctm().morph(v)
+          this.attrs[a] = (new SVG.Matrix(this.target)).morph(v)
 
           // add parametric rotation values
           if (this.param) {
@@ -1376,7 +1376,7 @@ SVG.FX = SVG.invent({
             { from: from, to: v }
         }
       }
-      
+
       return this
     }
     // Add animatable styles
@@ -1384,34 +1384,34 @@ SVG.FX = SVG.invent({
       if (typeof s == 'object')
         for (var key in s)
           this.style(key, s[key])
-      
+
       else
         this.styles[s] = { from: this.target.style(s), to: v }
-      
+
       return this
     }
     // Animatable x-axis
   , x: function(x) {
       this.destination.x = new SVG.Number(this.target.x()).morph(x)
-      
+
       return this
     }
     // Animatable y-axis
   , y: function(y) {
       this.destination.y = new SVG.Number(this.target.y()).morph(y)
-      
+
       return this
     }
     // Animatable center x-axis
   , cx: function(x) {
       this.destination.cx = new SVG.Number(this.target.cx()).morph(x)
-      
+
       return this
     }
     // Animatable center y-axis
   , cy: function(y) {
       this.destination.cy = new SVG.Number(this.target.cy()).morph(y)
-      
+
       return this
     }
     // Add animatable move
@@ -1427,7 +1427,7 @@ SVG.FX = SVG.invent({
       if (this.target instanceof SVG.Text) {
         // animate font size for Text elements
         this.attr('font-size', width)
-        
+
       } else {
         // animate bbox based size for all other elements
         var box = this.target.bbox()
@@ -1437,7 +1437,7 @@ SVG.FX = SVG.invent({
         , height: new SVG.Number(box.height).morph(height)
         }
       }
-      
+
       return this
     }
     // Add animatable plot
@@ -1457,7 +1457,7 @@ SVG.FX = SVG.invent({
   , viewbox: function(x, y, width, height) {
       if (this.target instanceof SVG.Container) {
         var box = this.target.viewbox()
-        
+
         this.destination.viewbox = {
           x:      new SVG.Number(box.x).morph(x)
         , y:      new SVG.Number(box.y).morph(y)
@@ -1465,7 +1465,7 @@ SVG.FX = SVG.invent({
         , height: new SVG.Number(box.height).morph(height)
         }
       }
-      
+
       return this
     }
     // Add animateable gradient update
@@ -1481,13 +1481,13 @@ SVG.FX = SVG.invent({
     // Add callback for each keyframe
   , during: function(during) {
       this.situation.during = during
-      
+
       return this
     }
     // Callback after animation
   , after: function(after) {
       this.situation.after = after
-      
+
       return this
     }
     // Make loopable
@@ -1521,7 +1521,7 @@ SVG.FX = SVG.invent({
         this.situation   = {}
         this.destination = {}
       }
-      
+
       return this
     }
     // Pause running animation
@@ -1537,7 +1537,7 @@ SVG.FX = SVG.invent({
   , play: function() {
       if (this.situation.play === false) {
         var pause = new Date().getTime() - this.situation.pause
-        
+
         this.situation.finish += pause
         this.situation.start  += pause
         this.situation.play    = true
@@ -1545,7 +1545,7 @@ SVG.FX = SVG.invent({
 
       return this
     }
-    
+
   }
 
   // Define parent class
@@ -1561,7 +1561,7 @@ SVG.FX = SVG.invent({
   , stop: function(fulfill) {
       if (this.fx)
         this.fx.stop(fulfill)
-      
+
       return this
     }
     // Pause current animation
@@ -1578,7 +1578,7 @@ SVG.FX = SVG.invent({
 
       return this
     }
-    
+
   }
 })
 
@@ -1602,7 +1602,7 @@ SVG.BBox = SVG.invent({
         , height: element.node.clientHeight
         }
       }
-      
+
       // plain x and y
       this.x = box.x
       this.y = box.y
@@ -1636,7 +1636,7 @@ SVG.TBox = SVG.invent({
     if (element) {
       var t   = element.ctm().extract()
         , box = element.bbox()
-      
+
       // width and height including transformations
       this.width  = box.width  * t.scaleX
       this.height = box.height * t.scaleY
@@ -1671,20 +1671,20 @@ SVG.RBox = SVG.invent({
       var e    = element.doc().parent()
         , box  = element.node.getBoundingClientRect()
         , zoom = 1
-      
+
       // get screen offset
       this.x = box.left
       this.y = box.top
-      
+
       // subtract parent offset
       this.x -= e.offsetLeft
       this.y -= e.offsetTop
-      
+
       while (e = e.offsetParent) {
         this.x -= e.offsetLeft
         this.y -= e.offsetTop
       }
-      
+
       // calculate cumulative zoom from svg documents
       e = element
       while (e.parent && (e = e.parent())) {
@@ -1699,7 +1699,7 @@ SVG.RBox = SVG.invent({
       this.width  = box.width  /= zoom
       this.height = box.height /= zoom
     }
-    
+
     // add center, right and bottom
     fullBox(this)
 
@@ -1734,7 +1734,7 @@ SVG.RBox = SVG.invent({
       b.y      = Math.min(this.y, box.y)
       b.width  = Math.max(this.x + this.width,  box.x + box.width)  - b.x
       b.height = Math.max(this.y + this.height, box.y + box.height) - b.y
-      
+
       return fullBox(b)
     }
 
@@ -1921,6 +1921,13 @@ SVG.Matrix = SVG.invent({
 SVG.extend(SVG.Element, {
   // Set svg element attribute
   attr: function(a, v, n) {
+    // ensure right tranform attribute
+    if (a == 'transform')
+      if(this instanceof SVG.Pattern)
+        a = 'patternTransform'
+      else if(this instanceof SVG.Gradient)
+        a = 'gradientTransform'
+
     // act as full getter
     if (a == null) {
       // get an object of attributes
@@ -1928,25 +1935,25 @@ SVG.extend(SVG.Element, {
       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 ? 
+      return v == null ?
         SVG.defaults.attrs[a] :
       SVG.regex.isNumber.test(v) ?
         parseFloat(v) : v
-    
+
     } else {
       // BUG FIX: some browsers will render a stroke if a color is given even though stroke width is 0
       if (a == 'stroke-width')
@@ -1964,7 +1971,7 @@ SVG.extend(SVG.Element, {
             this.add(v)
           })
       }
-      
+
       // ensure correct numeric values (also accepts NaN and Infinity)
       if (typeof v === 'number')
         v = new SVG.Number(v)
@@ -1972,7 +1979,7 @@ SVG.extend(SVG.Element, {
       // ensure full hex color
       else if (SVG.Color.isColor(v))
         v = new SVG.Color(v)
-      
+
       // parse array values
       else if (Array.isArray(v))
         v = new SVG.Array(v)
@@ -1992,12 +1999,12 @@ SVG.extend(SVG.Element, {
           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
   }
 })
@@ -2154,12 +2161,12 @@ SVG.extend(SVG.Element, {
     if (arguments.length == 0) {
       /* get full style */
       return this.node.style.cssText || ''
-    
+
     } else if (arguments.length < 2) {
       /* apply every style individually if an object is passed */
       if (typeof s == 'object') {
         for (v in s) this.style(v, s[v])
-      
+
       } else if (SVG.regex.isCss.test(s)) {
         /* parse css string */
         s = s.split(';')
@@ -2173,11 +2180,11 @@ SVG.extend(SVG.Element, {
         /* act as a getter if the first and only argument is not an object */
         return this.node.style[camelCase(s)]
       }
-    
+
     } else {
       this.node.style[camelCase(s)] = v === null || SVG.regex.isBlank.test(v) ? '' : v
     }
-    
+
     return this
   }
 })
@@ -2203,7 +2210,7 @@ SVG.Parent = SVG.invent({
       if (!this.has(element)) {
         // define insertion index if none given
         i = i == null ? this.children().length : i
-        
+
         // add element references
         this.node.insertBefore(element.node, this.node.childNodes[i] || null)
       }
@@ -2239,7 +2246,7 @@ SVG.Parent = SVG.invent({
   , each: function(block, deep) {
       var i, il
         , children = this.children()
-      
+
       for (i = 0, il = children.length; i < il; i++) {
         if (children[i] instanceof SVG.Element)
           block.apply(children[i], [i, children])
@@ -2247,13 +2254,13 @@ SVG.Parent = SVG.invent({
         if (deep && (children[i] instanceof SVG.Container))
           children[i].each(block, deep)
       }
-    
+
       return this
     }
     // Remove a given child
   , removeElement: function(element) {
       this.node.removeChild(element.node)
-      
+
       return this
     }
     // Remove all elements in this container
@@ -2261,7 +2268,7 @@ SVG.Parent = SVG.invent({
       // remove children
       while(this.node.hasChildNodes())
         this.node.removeChild(this.node.lastChild)
-      
+
       // remove defs reference
       delete this._defs
 
@@ -2272,7 +2279,7 @@ SVG.Parent = SVG.invent({
       return this.doc().defs()
     }
   }
-  
+
 })
 
 SVG.Container = SVG.invent({
@@ -2291,16 +2298,16 @@ SVG.Container = SVG.invent({
       if (arguments.length == 0)
         /* act as a getter if there are no arguments */
         return new SVG.ViewBox(this)
-      
+
       /* otherwise act as a setter */
       v = arguments.length == 1 ?
         [v.x, v.y, v.width, v.height] :
         [].slice.call(arguments)
-      
+
       return this.attr('viewBox', v)
     }
   }
-  
+
 })
 // Add events to elements
 ;[  'click'
@@ -2317,18 +2324,18 @@ SVG.Container = SVG.invent({
   , 'touchleave'
   , 'touchend'
   , 'touchcancel' ].forEach(function(event) {
-  
+
   /* add event to SVG.Element */
   SVG.Element.prototype[event] = function(f) {
     var self = this
-    
+
     /* bind event to element rather than element node */
     this.node['on' + event] = typeof f == 'function' ?
       function() { return f.apply(self, arguments) } : null
-    
+
     return this
   }
-  
+
 })
 
 // Initialize listeners stack
@@ -2342,8 +2349,8 @@ SVG.on = function(node, event, listener, binding) {
     , index = (SVG.handlerMap.indexOf(node) + 1 || SVG.handlerMap.push(node)) - 1
     , ev    = event.split('.')[0]
     , ns    = event.split('.')[1] || '*'
-    
-  
+
+
   // ensure valid object
   SVG.listeners[index]         = SVG.listeners[index]         || {}
   SVG.listeners[index][ev]     = SVG.listeners[index][ev]     || {}
@@ -2363,7 +2370,7 @@ SVG.off = function(node, event, listener) {
     , ns    = event && event.split('.')[1]
 
   if(index == -1) return
-  
+
   if (listener) {
     // remove listener reference
     if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns || '*']) {
@@ -2416,18 +2423,18 @@ SVG.extend(SVG.Element, {
   // Bind given event to listener
   on: function(event, listener, binding) {
     SVG.on(this.node, event, listener, binding)
-    
+
     return this
   }
   // Unbind event from listener
 , off: function(event, listener) {
     SVG.off(this.node, event, listener)
-    
+
     return this
   }
   // Fire given event
 , fire: function(event, data) {
-    
+
     // Dispatch event
     if(event instanceof Event){
         this.node.dispatchEvent(event)
@@ -2445,7 +2452,7 @@ SVG.Defs = SVG.invent({
 
   // Inherit from
 , inherit: SVG.Container
-  
+
 })
 SVG.G = SVG.invent({
   // Initialize node
@@ -2453,7 +2460,7 @@ SVG.G = SVG.invent({
 
   // Inherit from
 , inherit: SVG.Container
-  
+
   // Add class methods
 , extend: {
     // Move over x-axis
@@ -2473,7 +2480,7 @@ SVG.G = SVG.invent({
       return y == null ? this.tbox().cy : this.y(y - this.tbox().height / 2)
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create a group element
@@ -2519,7 +2526,7 @@ SVG.extend(SVG.Element, {
   // Send given element one step backward
 , backward: function() {
     var i = this.position()
-    
+
     if (i > 0)
       this.parent().removeElement(this).add(this, i - 1)
 
@@ -2542,7 +2549,7 @@ SVG.extend(SVG.Element, {
 , back: function() {
     if (this.position() > 0)
       this.parent().removeElement(this).add(this, 0)
-    
+
     return this
   }
   // Inserts a given element before the targeted element
@@ -2550,7 +2557,7 @@ SVG.extend(SVG.Element, {
     element.remove()
 
     var i = this.position()
-    
+
     this.parent().add(element, i)
 
     return this
@@ -2558,9 +2565,9 @@ SVG.extend(SVG.Element, {
   // 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
@@ -2591,11 +2598,11 @@ SVG.Mask = SVG.invent({
 
       /* remove mask from parent */
       this.parent().removeElement(this)
-      
+
       return this
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create masking element
@@ -2614,7 +2621,7 @@ SVG.extend(SVG.Element, {
 
     /* store reverence on self in mask */
     this.masker.targets.push(this)
-    
+
     /* apply mask */
     return this.attr('mask', 'url("#' + this.masker.attr('id') + '")')
   }
@@ -2623,7 +2630,7 @@ SVG.extend(SVG.Element, {
     delete this.masker
     return this.attr('mask', null)
   }
-  
+
 })
 
 SVG.ClipPath = SVG.invent({
@@ -2650,11 +2657,11 @@ SVG.ClipPath = SVG.invent({
 
       /* remove clipPath from parent */
       this.parent().removeElement(this)
-      
+
       return this
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create clipping element
@@ -2673,7 +2680,7 @@ SVG.extend(SVG.Element, {
 
     /* store reverence on self in mask */
     this.clipper.targets.push(this)
-    
+
     /* apply mask */
     return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")')
   }
@@ -2682,13 +2689,13 @@ SVG.extend(SVG.Element, {
     delete this.clipper
     return this.attr('clip-path', null)
   }
-  
+
 })
 SVG.Gradient = SVG.invent({
   // Initialize node
   create: function(type) {
     this.constructor.call(this, SVG.create(type + 'Gradient'))
-    
+
     /* store type */
     this.type = type
   }
@@ -2706,11 +2713,11 @@ SVG.Gradient = SVG.invent({
   , 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
@@ -2722,7 +2729,7 @@ SVG.Gradient = SVG.invent({
       return this.fill()
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create gradient element in defs
@@ -2754,7 +2761,7 @@ SVG.extend(SVG.Defs, {
   gradient: function(type, block) {
     return this.put(new SVG.Gradient(type)).update(block)
   }
-  
+
 })
 
 SVG.Stop = SVG.invent({
@@ -2804,11 +2811,11 @@ SVG.Pattern = SVG.invent({
 	, 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
@@ -2816,7 +2823,7 @@ SVG.Pattern = SVG.invent({
 	    return this.fill()
 	  }
   }
-  
+
   // Add parent method
 , construct: {
     // Create pattern element in defs
@@ -2847,7 +2854,7 @@ SVG.Doc = SVG.invent({
       element = typeof element == 'string' ?
         document.getElementById(element) :
         element
-      
+
       /* If the target is an svg element, use that element as the main wrapper.
          This allows svg.js to work with svg documents as well. */
       if (element.nodeName == 'svg') {
@@ -2856,7 +2863,7 @@ SVG.Doc = SVG.invent({
         this.constructor.call(this, SVG.create('svg'))
         element.appendChild(this.node)
       }
-      
+
       /* set svg element attributes and ensure defs node */
       this.namespace().size('100%', '100%').defs()
     }
@@ -2898,7 +2905,7 @@ SVG.Doc = SVG.invent({
     // https://bugzilla.mozilla.org/show_bug.cgi?id=608812
   , spof: function(spof) {
       var pos = this.node.getScreenCTM()
-      
+
       if (pos)
         this
           .style('left', (-pos.e % 1) + 'px')
@@ -2906,7 +2913,7 @@ SVG.Doc = SVG.invent({
 
       return this
     }
-    
+
       // Removes the doc from the DOM
   , remove: function() {
       if(this.parent()) {
@@ -2916,7 +2923,7 @@ SVG.Doc = SVG.invent({
       return this;
     }
   }
-  
+
 })
 
 SVG.Shape = SVG.invent({
@@ -2989,7 +2996,7 @@ SVG.Use = SVG.invent({
       return this.attr('href', (file || '') + '#' + element, SVG.xlink)
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create a use element
@@ -3004,7 +3011,7 @@ SVG.Rect = SVG.invent({
 
   // Inherit from
 , inherit: SVG.Shape
-    
+
   // Add parent method
 , construct: {
     // Create a rect element
@@ -3122,7 +3129,7 @@ SVG.Line = SVG.invent({
   , plot: function(x1, y1, x2, y2) {
       if (arguments.length == 4)
         x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
-      else 
+      else
         x1 = new SVG.PointArray(x1).toLine()
 
       return this.attr(x1)
@@ -3138,7 +3145,7 @@ SVG.Line = SVG.invent({
       return this.attr(this.array().size(p.width, p.height).toLine())
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create a line element
@@ -3154,7 +3161,7 @@ SVG.Polyline = SVG.invent({
 
   // Inherit from
 , inherit: SVG.Shape
-  
+
   // Add parent method
 , construct: {
     // Create a wrapped polyline element
@@ -3170,7 +3177,7 @@ SVG.Polygon = SVG.invent({
 
   // Inherit from
 , inherit: SVG.Shape
-  
+
   // Add parent method
 , construct: {
     // Create a wrapped polygon element
@@ -3224,7 +3231,7 @@ SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, {
 , height: function(height) {
     var b = this.bbox()
 
-    return height == null ? b.height : this.size(b.width, height) 
+    return height == null ? b.height : this.size(b.width, height)
   }
 })
 SVG.Path = SVG.invent({
@@ -3261,7 +3268,7 @@ SVG.Path = SVG.invent({
     // Set element size to given width and height
   , size: function(width, height) {
       var p = proportionalSize(this.bbox(), width, height)
-      
+
       return this.attr('d', this.array().size(p.width, p.height))
     }
     // Set width of element
@@ -3272,9 +3279,9 @@ SVG.Path = SVG.invent({
   , height: function(height) {
       return height == null ? this.bbox().height : this.size(this.bbox().width, height)
     }
-    
+
   }
-  
+
   // Add parent method
 , construct: {
     // Create a wrapped path element
@@ -3298,7 +3305,7 @@ SVG.Image = SVG.invent({
 
       var self = this
         , img  = document.createElement('img')
-      
+
       // preload image
       img.onload = function() {
         var p = self.parent(SVG.Pattern)
@@ -3310,7 +3317,7 @@ SVG.Image = SVG.invent({
         // ensure pattern size if not set
         if (p && p.width() == 0 && p.height() == 0)
           p.size(self.width(), self.height())
-        
+
         // callback
         if (typeof self._loaded === 'function')
           self._loaded.call(self, {
@@ -3329,7 +3336,7 @@ SVG.Image = SVG.invent({
       return this
     }
   }
-  
+
   // Add parent method
 , construct: {
     // create image element, load image and set its size
@@ -3343,7 +3350,7 @@ SVG.Text = SVG.invent({
   // Initialize node
   create: function() {
     this.constructor.call(this, SVG.create('text'))
-    
+
     this._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
@@ -3365,7 +3372,7 @@ SVG.Text = SVG.invent({
       clone.lines().each(function(){
         this.newLined = true
       })
-      
+
       // insert the clone after myself
       this.after(clone)
 
@@ -3376,7 +3383,7 @@ SVG.Text = SVG.invent({
       // act as getter
       if (x == null)
         return this.attr('x')
-      
+
       // move lines as well if no textPath is present
       if (!this.textPath)
         this.lines().each(function() { if (this.newLined) this.x(x) })
@@ -3406,10 +3413,10 @@ SVG.Text = SVG.invent({
   , text: function(text) {
       // act as getter
       if (typeof text === 'undefined') return this.content
-      
+
       // remove existing content
       this.clear().build(true)
-      
+
       if (typeof text === 'function') {
         // call block
         text.call(this, this)
@@ -3417,12 +3424,12 @@ SVG.Text = SVG.invent({
       } else {
         // store text and make sure text is not blank
         text = (this.content = text).split('\n')
-        
+
         // build new lines
         for (var i = 0, il = text.length; i < il; i++)
           this.tspan(text[i]).newLine()
       }
-      
+
       // disable build mode and rebuild lines
       return this.build(false).rebuild()
     }
@@ -3435,10 +3442,10 @@ SVG.Text = SVG.invent({
       // act as getter
       if (value == null)
         return this._leading
-      
+
       // act as setter
       this._leading = new SVG.Number(value)
-      
+
       return this.rebuild()
     }
     // Get all the first level lines
@@ -3460,13 +3467,13 @@ SVG.Text = SVG.invent({
       // define position of all lines
       if (this._rebuild) {
         var self = this
-        
+
         this.lines().each(function() {
           if (this.newLined) {
             if (!this.textPath)
               this.attr('x', self.attr('x'))
-            
-            this.attr('dy', self._leading * new SVG.Number(self.attr('font-size'))) 
+
+            this.attr('dy', self._leading * new SVG.Number(self.attr('font-size')))
           }
         })
 
@@ -3481,7 +3488,7 @@ SVG.Text = SVG.invent({
       return this
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create text element
@@ -3531,7 +3538,7 @@ SVG.Tspan = SVG.invent({
       return this.dy(t._leading * t.attr('font-size')).attr('x', t.x())
     }
   }
-  
+
 })
 
 SVG.extend(SVG.Text, SVG.Tspan, {
@@ -3543,7 +3550,7 @@ SVG.extend(SVG.Text, SVG.Tspan, {
 
     // create text node
     this.node.appendChild(document.createTextNode((this.content = text)))
-    
+
     return this
   }
   // Create a tspan
@@ -3554,7 +3561,7 @@ SVG.extend(SVG.Text, SVG.Tspan, {
     // clear if build mode is disabled
     if (this._build === false)
       this.clear()
-    
+
     // add new tspan
     node.appendChild(tspan.node)
 
@@ -3567,11 +3574,11 @@ SVG.extend(SVG.Text, SVG.Tspan, {
     // remove existing child nodes
     while (node.hasChildNodes())
       node.removeChild(node.lastChild)
-    
-    // reset content references 
+
+    // reset content references
     if (this instanceof SVG.Text)
       this.content = ''
-    
+
     return this
   }
   // Get length of text element
@@ -3637,13 +3644,13 @@ SVG.Nested = SVG.invent({
   // Initialize node
   create: function() {
     this.constructor.call(this, SVG.create('svg'))
-    
+
     this.style('overflow', 'visible')
   }
 
   // Inherit from
 , inherit: SVG.Container
-  
+
   // Add parent method
 , construct: {
     // Create nested svg document
@@ -3674,7 +3681,7 @@ SVG.A = SVG.invent({
       return this.attr('target', target)
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create a hyperlink element
@@ -3696,7 +3703,7 @@ SVG.extend(SVG.Element, {
 
     return this.parent().put(link).put(this)
   }
-  
+
 })
 SVG.Marker = SVG.invent({
   // Initialize node
@@ -3723,11 +3730,11 @@ SVG.Marker = SVG.invent({
   , 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
@@ -3757,7 +3764,7 @@ SVG.extend(SVG.Defs, {
       .attr('orient', 'auto')
       .update(block)
   }
-  
+
 })
 
 SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, {
@@ -3773,10 +3780,10 @@ SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, {
     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 = {
@@ -3906,13 +3913,13 @@ SVG.Set = SVG.invent({
 
       for (i = 0, il = elements.length; i < il; i++)
         this.members.push(elements[i])
-      
+
       return this
     }
     // Remove element from set
   , remove: function(element) {
       var i = this.index(element)
-      
+
       // remove given child
       if (i > -1)
         this.members.splice(i, 1)
@@ -3984,7 +3991,7 @@ SVG.Set = SVG.invent({
       return box
     }
   }
-  
+
   // Add parent method
 , construct: {
     // Create a new set
@@ -4007,7 +4014,7 @@ SVG.FX.Set = SVG.invent({
 SVG.Set.inherit = function() {
   var m
     , methods = []
-  
+
   // gather shape methods
   for(var m in SVG.Shape.prototype)
     if (typeof SVG.Shape.prototype[m] == 'function' && typeof SVG.Set.prototype[m] != 'function')
@@ -4059,7 +4066,7 @@ SVG.extend(SVG.Element, {
       } catch(e) {
         return this.attr('data-' + a)
       }
-      
+
     } else {
       this.attr(
         'data-' + a
@@ -4070,7 +4077,7 @@ SVG.extend(SVG.Element, {
           JSON.stringify(v)
       )
     }
-    
+
     return this
   }
 })
@@ -4133,7 +4140,7 @@ SVG.extend(SVG.Parent, {
 
 })
 // Convert dash-separated-string to camelCase
-function camelCase(s) { 
+function camelCase(s) {
   return s.toLowerCase().replace(/-(.)/g, function(m, g) {
     return g.toUpperCase()
   })
@@ -4144,7 +4151,7 @@ function capitalize(s) {
   return s.charAt(0).toUpperCase() + s.slice(1)
 }
 
-// Ensure to six-based hex 
+// Ensure to six-based hex
 function fullHex(hex) {
   return hex.length == 4 ?
     [ '#',
@@ -4166,7 +4173,7 @@ function proportionalSize(box, width, height) {
     height = box.height / box.width * width
   else if (width == null)
     width = box.width / box.height * height
-  
+
   return {
     width:  width
   , height: height
@@ -4190,7 +4197,7 @@ function arrayToMatrix(a) {
 function parseMatrix(matrix) {
   if (!(matrix instanceof SVG.Matrix))
     matrix = new SVG.Matrix(matrix)
-  
+
   return matrix
 }
 
@@ -4221,10 +4228,10 @@ function at(o, pos) {
   // number recalculation (don't bother converting to SVG.Number for performance reasons)
   return typeof o.from == 'number' ?
     o.from + (o.to - o.from) * pos :
-  
+
   // instance recalculation
   o instanceof SVG.Color || o instanceof SVG.Number || o instanceof SVG.Matrix ? o.at(pos) :
-  
+
   // for all other values wait until pos has reached 1 to return the final value
   pos < 1 ? o.from : o.to
 }
@@ -4262,7 +4269,7 @@ function arrayToString(a) {
       }
     }
   }
-  
+
   return s + ' '
 }
 
@@ -4304,7 +4311,7 @@ function idFromReference(url) {
 
 // Create matrix array for looping
 var abcdef = 'abcdef'.split('')
-// Add CustomEvent to IE9 and IE10 
+// Add CustomEvent to IE9 and IE10
 if (typeof CustomEvent !== 'function') {
   // Code from: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
   var CustomEvent = function(event, options) {
@@ -4323,26 +4330,26 @@ if (typeof CustomEvent !== 'function') {
 (function(w) {
   var lastTime = 0
   var vendors = ['moz', 'webkit']
-  
+
   for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
     w.requestAnimationFrame = w[vendors[x] + 'RequestAnimationFrame']
     w.cancelAnimationFrame  = w[vendors[x] + 'CancelAnimationFrame'] ||
                               w[vendors[x] + 'CancelRequestAnimationFrame']
   }
- 
-  w.requestAnimationFrame = w.requestAnimationFrame || 
+
+  w.requestAnimationFrame = w.requestAnimationFrame ||
     function(callback) {
       var currTime = new Date().getTime()
       var timeToCall = Math.max(0, 16 - (currTime - lastTime))
-      
+
       var id = w.setTimeout(function() {
         callback(currTime + timeToCall)
       }, timeToCall)
-      
+
       lastTime = currTime + timeToCall
       return id
     }
- 
+
   w.cancelAnimationFrame = w.cancelAnimationFrame || w.clearTimeout;
 
 }(window))
diff --git a/dist/svg.min.js b/dist/svg.min.js
index dd62fd7..edd24eb 100644
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
-/*! svg.js v2.1.1 MIT*/;!function(t,e){"function"==typeof define&&define.amd?define(e):"object"==typeof exports?module.exports=e(require,exports,module):t.SVG=e()}(this,function(){function t(t){return t.toLowerCase().replace(/-(.)/g,function(t,e){return e.toUpperCase()})}function e(t){return t.charAt(0).toUpperCase()+t.slice(1)}function i(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t}function n(t){var e=t.toString(16);return 1==e.length?"0"+e:e}function r(t,e,i){return null==i?i=t.height/t.width*e:null==e&&(e=t.width/t.height*i),{width:e,height:i}}function s(t,e,i){return{x:e*t.a+i*t.c+0,y:e*t.b+i*t.d+0}}function a(t){return{a:t[0],b:t[1],c:t[2],d:t[3],e:t[4],f:t[5]}}function o(t){return t instanceof m.Matrix||(t=new m.Matrix(t)),t}function h(t,e){t.cx=null==t.cx?e.bbox().cx:t.cx,t.cy=null==t.cy?e.bbox().cy:t.cy}function u(t){return 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m.Number(t.offset)),this}}}),m.Pattern=m.invent({create:"pattern",inherit:m.Container,extend:{fill:function(){return"url(#"+this.id()+")"},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return this.fill()}},construct:{pattern:function(t,e,n){return this.defs().pattern(t,e,n)}}}),m.extend(m.Defs,{pattern:function(t,e,n){return this.put(new m.Pattern).update(n).attr({x:0,y:0,width:t,height:e,patternUnits:"userSpaceOnUse"})}}),m.Doc=m.invent({create:function(t){t&&(t="string"==typeof t?document.getElementById(t):t,"svg"==t.nodeName?this.constructor.call(this,t):(this.constructor.call(this,m.create("svg")),t.appendChild(this.node)),this.namespace().size("100%","100%").defs())},inherit:m.Container,extend:{namespace:function(){return this.attr({xmlns:m.ns,version:"1.1"}).attr("xmlns:xlink",m.xlink,m.xmlns)},defs:function(){if(!this._defs){var t;this._defs=(t=this.node.getElementsByTagName("defs")[0])?m.adopt(t):new m.Defs,this.node.appendChild(this._defs.node)}return this._defs},parent:function(){return"#document"==this.node.parentNode.nodeName?null:this.node.parentNode},spof:function(){var t=this.node.getScreenCTM();return t&&this.style("left",-t.e%1+"px").style("top",-t.f%1+"px"),this},remove:function(){return this.parent()&&this.parent().removeChild(this.node),this}}}),m.Shape=m.invent({create:function(t){this.constructor.call(this,t)},inherit:m.Element}),m.Bare=m.invent({create:function(t,e){if(this.constructor.call(this,m.create(t)),e)for(var n in e.prototype)"function"==typeof e.prototype[n]&&(this[n]=e.prototype[n])},inherit:m.Element,extend:{words:function(t){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return this.node.appendChild(document.createTextNode(t)),this}}}),m.extend(m.Parent,{element:function(t,e){return this.put(new m.Bare(t,e))},symbol:function(){return this.defs().element("symbol",m.Container)}}),m.Use=m.invent({create:"use",inherit:m.Shape,extend:{element:function(t,e){return this.attr("href",(e||"")+"#"+t,m.xlink)}},construct:{use:function(t,e){return this.put(new m.Use).element(t,e)}}}),m.Rect=m.invent({create:"rect",inherit:m.Shape,construct:{rect:function(t,e){return this.put((new m.Rect).size(t,e))}}}),m.Circle=m.invent({create:"circle",inherit:m.Shape,construct:{circle:function(t){return this.put(new m.Circle).rx(new m.Number(t).divide(2)).move(0,0)}}}),m.extend(m.Circle,m.FX,{rx:function(t){return this.attr("r",t)},ry:function(t){return this.rx(t)}}),m.Ellipse=m.invent({create:"ellipse",inherit:m.Shape,construct:{ellipse:function(t,e){return this.put(new m.Ellipse).size(t,e).move(0,0)}}}),m.extend(m.Ellipse,m.Rect,m.FX,{rx:function(t){return this.attr("rx",t)},ry:function(t){return this.attr("ry",t)}}),m.extend(m.Circle,m.Ellipse,{x:function(t){return null==t?this.cx()-this.rx():this.cx(t+this.rx())},y:function(t){return null==t?this.cy()-this.ry():this.cy(t+this.ry())},cx:function(t){return null==t?this.attr("cx"):this.attr("cx",t)},cy:function(t){return null==t?this.attr("cy"):this.attr("cy",t)},width:function(t){return null==t?2*this.rx():this.rx(new m.Number(t).divide(2))},height:function(t){return null==t?2*this.ry():this.ry(new m.Number(t).divide(2))},size:function(t,e){var n=r(this.bbox(),t,e);return this.rx(new m.Number(n.width).divide(2)).ry(new m.Number(n.height).divide(2))}}),m.Line=m.invent({create:"line",inherit:m.Shape,extend:{array:function(){return new m.PointArray([[this.attr("x1"),this.attr("y1")],[this.attr("x2"),this.attr("y2")]])},plot:function(t,e,n,i){return t=4==arguments.length?{x1:t,y1:e,x2:n,y2:i}:new m.PointArray(t).toLine(),this.attr(t)},move:function(t,e){return this.attr(this.array().move(t,e).toLine())},size:function(t,e){var n=r(this.bbox(),t,e);return this.attr(this.array().size(n.width,n.height).toLine())}},construct:{line:function(t,e,n,i){return this.put(new m.Line).plot(t,e,n,i)}}}),m.Polyline=m.invent({create:"polyline",inherit:m.Shape,construct:{polyline:function(t){return this.put(new m.Polyline).plot(t)}}}),m.Polygon=m.invent({create:"polygon",inherit:m.Shape,construct:{polygon:function(t){return this.put(new m.Polygon).plot(t)}}}),m.extend(m.Polyline,m.Polygon,{array:function(){return this._array||(this._array=new m.PointArray(this.attr("points")))},plot:function(t){return this.attr("points",this._array=new m.PointArray(t))},move:function(t,e){return this.attr("points",this.array().move(t,e))},size:function(t,e){var n=r(this.bbox(),t,e);return this.attr("points",this.array().size(n.width,n.height))}}),m.extend(m.Line,m.Polyline,m.Polygon,{morphArray:m.PointArray,x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)}}),m.Path=m.invent({create:"path",inherit:m.Shape,extend:{morphArray:m.PathArray,array:function(){return this._array||(this._array=new m.PathArray(this.attr("d")))},plot:function(t){return this.attr("d",this._array=new m.PathArray(t))},move:function(t,e){return this.attr("d",this.array().move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var n=r(this.bbox(),t,e);return this.attr("d",this.array().size(n.width,n.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)}},construct:{path:function(t){return this.put(new m.Path).plot(t)}}}),m.Image=m.invent({create:"image",inherit:m.Shape,extend:{load:function(t){if(!t)return this;var e=this,n=document.createElement("img");return n.onload=function(){var i=e.parent(m.Pattern);0==e.width()&&0==e.height()&&e.size(n.width,n.height),i&&0==i.width()&&0==i.height()&&i.size(e.width(),e.height()),"function"==typeof e._loaded&&e._loaded.call(e,{width:n.width,height:n.height,ratio:n.width/n.height,url:t})},this.attr("href",n.src=this.src=t,m.xlink)},loaded:function(t){return this._loaded=t,this}},construct:{image:function(t,e,n){return this.put(new m.Image).load(t).size(e||0,n||e||0)}}}),m.Text=m.invent({create:function(){this.constructor.call(this,m.create("text")),this._leading=new m.Number(1.3),this._rebuild=!0,this._build=!1,this.attr("font-family",m.defaults.attrs["font-family"])},inherit:m.Shape,extend:{clone:function(){var t=f(this.node.cloneNode(!0));return t.lines().each(function(){this.newLined=!0}),this.after(t),t},x:function(t){return null==t?this.attr("x"):(this.textPath||this.lines().each(function(){this.newLined&&this.x(t)}),this.attr("x",t))},y:function(t){var e=this.attr("y"),n="number"==typeof e?e-this.bbox().y:0;return null==t?"number"==typeof e?e-n:e:this.attr("y","number"==typeof t?t+n:t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)},text:function(t){if("undefined"==typeof t)return this.content;if(this.clear().build(!0),"function"==typeof t)t.call(this,this);else{t=(this.content=t).split("\n");for(var e=0,n=t.length;n>e;e++)this.tspan(t[e]).newLine()}return this.build(!1).rebuild()},size:function(t){return this.attr("font-size",t).rebuild()},leading:function(t){return null==t?this._leading:(this._leading=new m.Number(t),this.rebuild())},lines:function(){var t=m.utils.map(m.utils.filterSVGElements(this.node.childNodes),function(t){return m.adopt(t)});return new m.Set(t)},rebuild:function(t){if("boolean"==typeof t&&(this._rebuild=t),this._rebuild){var e=this;this.lines().each(function(){this.newLined&&(this.textPath||this.attr("x",e.attr("x")),this.attr("dy",e._leading*new m.Number(e.attr("font-size"))))}),this.fire("rebuild")}return this},build:function(t){return this._build=!!t,this}},construct:{text:function(t){return this.put(new m.Text).text(t)},plain:function(t){return this.put(new m.Text).plain(t)}}}),m.Tspan=m.invent({create:"tspan",inherit:m.Shape,extend:{text:function(t){return"function"==typeof t?t.call(this,this):this.plain(t),this},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){var t=this.parent(m.Text);return this.newLined=!0,this.dy(t._leading*t.attr("font-size")).attr("x",t.x())}}}),m.extend(m.Text,m.Tspan,{plain:function(t){return this._build===!1&&this.clear(),this.node.appendChild(document.createTextNode(this.content=t)),this},tspan:function(t){var e=(this.textPath()||this).node,n=new m.Tspan;return this._build===!1&&this.clear(),e.appendChild(n.node),n.text(t)},clear:function(){for(var t=(this.textPath()||this).node;t.hasChildNodes();)t.removeChild(t.lastChild);return this instanceof m.Text&&(this.content=""),this},length:function(){return this.node.getComputedTextLength()}}),m.TextPath=m.invent({create:"textPath",inherit:m.Element,parent:m.Text,construct:{path:function(t){for(var e=new m.TextPath,n=this.doc().defs().path(t);this.node.hasChildNodes();)e.node.appendChild(this.node.firstChild);return this.node.appendChild(e.node),e.attr("href","#"+n,m.xlink),this},plot:function(t){var e=this.track();return e&&e.plot(t),this},track:function(){var t=this.textPath();return t?t.reference("href"):void 0},textPath:function(){return this.node.firstChild&&"textPath"==this.node.firstChild.nodeName?m.adopt(this.node.firstChild):void 0}}}),m.Nested=m.invent({create:function(){this.constructor.call(this,m.create("svg")),this.style("overflow","visible")},inherit:m.Container,construct:{nested:function(){return this.put(new m.Nested)}}}),m.A=m.invent({create:"a",inherit:m.Container,extend:{to:function(t){return this.attr("href",t,m.xlink)},show:function(t){return this.attr("show",t,m.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new m.A).to(t)}}}),m.extend(m.Element,{linkTo:function(t){var e=new m.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent().put(e).put(this)}}),m.Marker=m.invent({create:"marker",inherit:m.Container,extend:{width:function(t){return this.attr("markerWidth",t)},height:function(t){return this.attr("markerHeight",t)},ref:function(t,e){return this.attr("refX",t).attr("refY",e)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return"url(#"+this.id()+")"}},construct:{marker:function(t,e,n){return this.defs().marker(t,e,n)}}}),m.extend(m.Defs,{marker:function(t,e,n){return this.put(new m.Marker).size(t,e).ref(t/2,e/2).viewbox(0,0,t,e).attr("orient","auto").update(n)}}),m.extend(m.Line,m.Polyline,m.Polygon,m.Path,{marker:function(t,e,n,i){var r=["marker"];return"all"!=t&&r.push(t),r=r.join("-"),t=arguments[1]instanceof m.Marker?arguments[1]:this.doc().marker(e,n,i),this.attr(r,t)}});var x={stroke:["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],fill:["color","opacity","rule"],prefix:function(t,e){return"color"==e?t:t+"-"+e}};["fill","stroke"].forEach(function(t){var e,n={};n[t]=function(n){if("string"==typeof n||m.Color.isRgb(n)||n&&"function"==typeof n.fill)this.attr(t,n);else for(e=x[t].length-1;e>=0;e--)null!=n[x[t][e]]&&this.attr(x.prefix(t,x[t][e]),n[x[t][e]]);return this},m.extend(m.Element,m.FX,n)}),m.extend(m.Element,m.FX,{rotate:function(t,e,n){return this.transform({rotation:t,cx:e,cy:n})},skew:function(t,e,n,i){return this.transform({skewX:t,skewY:e,cx:n,cy:i})},scale:function(t,e,n,i){return 1==arguments.length||3==arguments.length?this.transform({scale:t,cx:e,cy:n}):this.transform({scaleX:t,scaleY:e,cx:n,cy:i})},translate:function(t,e){return this.transform({x:t,y:e})},flip:function(t,e){return this.transform({flip:t,offset:e})},matrix:function(t){return this.attr("transform",new m.Matrix(t))},opacity:function(t){return this.attr("opacity",t)},dx:function(t){return this.x((this.target||this).x()+t)},dy:function(t){return this.y((this.target||this).y()+t)},dmove:function(t,e){return this.dx(t).dy(e)}}),m.extend(m.Rect,m.Ellipse,m.Circle,m.Gradient,m.FX,{radius:function(t,e){var n=(this.target||this).type;return"radial"==n||"circle"==n?this.attr({r:new m.Number(t)}):this.rx(t).ry(null==e?t:e)}}),m.extend(m.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),m.extend(m.Parent,m.Text,m.FX,{font:function(t){for(var e in t)"leading"==e?this.leading(t[e]):"anchor"==e?this.attr("text-anchor",t[e]):"size"==e||"family"==e||"weight"==e||"stretch"==e||"variant"==e||"style"==e?this.attr("font-"+e,t[e]):this.attr(e,t[e]);return this}}),m.Set=m.invent({create:function(t){Array.isArray(t)?this.members=t:this.clear()},extend:{add:function(){var t,e,n=[].slice.call(arguments);for(t=0,e=n.length;e>t;t++)this.members.push(n[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,n=this.members.length;n>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},length:function(){return this.members.length},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},first:function(){return this.get(0)},last:function(){return this.get(this.members.length-1)},valueOf:function(){return this.members},bbox:function(){var t=new m.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(t){return new m.Set(t)}}}),m.FX.Set=m.invent({create:function(t){this.set=t}}),m.Set.inherit=function(){var t,e=[];for(var t in m.Shape.prototype)"function"==typeof m.Shape.prototype[t]&&"function"!=typeof m.Set.prototype[t]&&e.push(t);e.forEach(function(t){m.Set.prototype[t]=function(){for(var e=0,n=this.members.length;n>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new m.FX.Set(this)):this}}),e=[];for(var t in m.FX.prototype)"function"==typeof m.FX.prototype[t]&&"function"!=typeof m.FX.Set.prototype[t]&&e.push(t);e.forEach(function(t){m.FX.Set.prototype[t]=function(){for(var e=0,n=this.set.members.length;n>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},m.extend(m.Element,{data:function(t,e,n){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(arguments.length<2)try{return JSON.parse(this.attr("data-"+t))}catch(i){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:n===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),m.extend(m.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),m.get=function(t){var e=document.getElementById(p(t)||t);return e?m.adopt(e):void 0},m.select=function(t,e){return new m.Set(m.utils.map((e||document).querySelectorAll(t),function(t){return m.adopt(t)}))},m.extend(m.Parent,{select:function(t){return m.select(t,this.node)}});var g="abcdef".split("");if("function"!=typeof y){var y=function(t,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var n=document.createEvent("CustomEvent");return n.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),n};y.prototype=window.Event.prototype,window.CustomEvent=y}return function(t){for(var e=0,n=["moz","webkit"],i=0;i<n.length&&!window.requestAnimationFrame;++i)t.requestAnimationFrame=t[n[i]+"RequestAnimationFrame"],t.cancelAnimationFrame=t[n[i]+"CancelAnimationFrame"]||t[n[i]+"CancelRequestAnimationFrame"];t.requestAnimationFrame=t.requestAnimationFrame||function(n){var i=(new Date).getTime(),r=Math.max(0,16-(i-e)),s=t.setTimeout(function(){n(i+r)},r);return e=i+r,s},t.cancelAnimationFrame=t.cancelAnimationFrame||t.clearTimeout}(window),m});
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 37b7803..1cc1c9d 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -6,6 +6,7 @@ var del     = require('del')
   , jasmine = require('gulp-jasmine')

   , rename  = require('gulp-rename')

   , size    = require('gulp-size')

+  , trim    = require('gulp-trimlines')

   , uglify  = require('gulp-uglify')

   , wrapUmd = require('gulp-wrap-umd')

   , wrapper = require('gulp-wrapper')

@@ -101,6 +102,7 @@ gulp.task('unify', ['clean'], function() {
           exports: 'SVG'

       }))

     .pipe(header(headerLong, { pkg: pkg }))

+    .pipe(trim({ leading: false }))

     .pipe(chmod(644))

     .pipe(gulp.dest('dist'))

     .pipe(size({ showFiles: true, title: 'Full' }))

diff --git a/package.json b/package.json
index ce173d1..68b3908 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "gulp-jasmine": "^0.3.0",
     "gulp-rename": "^1.2.0",
     "gulp-size": "^0.4.0",
+    "gulp-trimlines": "^1.0.0",
     "gulp-uglify": "^0.3.1",
     "gulp-wrap-umd": "^0.2.1",
     "gulp-wrapper": "^0.1.42",
diff --git a/src/attr.js b/src/attr.js
index 9340981..2d9e8f9 100644
--- a/src/attr.js
+++ b/src/attr.js
@@ -1,6 +1,13 @@
 SVG.extend(SVG.Element, {
   // Set svg element attribute
   attr: function(a, v, n) {
+    // ensure right tranform attribute
+    if (a == 'transform')
+      if(this instanceof SVG.Pattern)
+        a = 'patternTransform'
+      else if(this instanceof SVG.Gradient)
+        a = 'gradientTransform'
+
     // act as full getter
     if (a == null) {
       // get an object of attributes
diff --git a/src/fx.js b/src/fx.js
index 7a480dd..4ed85a2 100644
--- a/src/fx.js
+++ b/src/fx.js
@@ -228,7 +228,7 @@ SVG.FX = SVG.invent({
             v = this.attrs[a].destination.multiply(v)
 
           // prepare matrix for morphing
-          this.attrs[a] = this.target.ctm().morph(v)
+          this.attrs[a] = (new SVG.Matrix(this.target)).morph(v)
 
           // add parametric rotation values
           if (this.param) {