Added skew method to the sugar module

6 files changed, 45 insertions, 21 deletions

diff --git a/README.md b/README.md
index c1d68da..7cc5ce0 100644
--- a/README.md
+++ b/README.md
@@ -237,6 +237,14 @@ Unless you also define a rotation point:
 rect.rotate(45, 100, 100);
 ```
 
+### Skew
+The `skew()` method will take an `x` and `y` value:
+
+```javascript
+// skew(x, y)
+rect.skew(0, 45);
+```
+
 _This functionality requires the sugar.js module which is included in the default distribution._
 
 
diff --git a/dist/svg.js b/dist/svg.js
index 6a90a89..d8c2b48 100644
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -1,4 +1,4 @@
-/* svg.js v0.1-34-gd976188 - svg container element group arrange defs clip gradient doc shape rect circle ellipse path image text sugar - svgjs.com/license */
+/* svg.js v0.1-37-gc8be3da - svg container element group arrange defs clip gradient doc shape rect circle ellipse path image text sugar - svgjs.com/license */
 (function() {
 
   this.SVG = {
@@ -256,20 +256,18 @@
         t.push('rotate(' + o.rotation + ',' + (o.cx != null ? o.cx : b.cx) + ',' + (o.cy != null ? o.cy : b.cy) + ')');
       
       // add scale
-      if (o.scaleX != 1 && o.scaleY != 1)
-        t.push('scale(' + o.sx + ',' + o.sy + ')');
+      t.push('scale(' + o.scaleX + ',' + o.scaleY + ')');
       
       // add skew on x axis
       if (o.skewX != 0)
-        t.push('skewX(' + x.skewX + ')');
+        t.push('skewX(' + o.skewX + ')');
       
       // add skew on y axis
       if (o.skewY != 0)
-        t.push('skewY(' + x.skewY + ')')
+        t.push('skewY(' + o.skewY + ')')
       
       // add translate
-      if (o.x != 0 && o.y != 0)
-        t.push('translate(' + o.x + ',' + o.y + ')');
+      t.push('translate(' + o.x + ',' + o.y + ')');
       
       // add only te required transformations
       return this.attr('transform', t.join(' '));
@@ -284,9 +282,11 @@
         // include translations on x an y
         x:      b.x + this.trans.x,
         y:      b.y + this.trans.y,
+        
         // add the center
-        cx:     b.x + this.trans.x + b.width / 2,
+        cx:     b.x + this.trans.x + b.width  / 2,
         cy:     b.y + this.trans.y + b.height / 2,
+        
         // plain width and height
         width:  b.width,
         height: b.height
@@ -615,8 +615,8 @@
       var r = this.attrs.r || 0;
   
       return this.attr({
-        cx: (x || ((this.attrs.x || 0) + r)),
-        cy: (y || ((this.attrs.y || 0) + r))
+        cx: x || (this.attrs.x || 0) + r,
+        cy: y || (this.attrs.y || 0) + r
       });
     }
     
@@ -813,6 +813,14 @@
         cx:       x == null ? b.cx : x,
         cy:       y == null ? b.cx : y
       });
+    },
+    
+    // skew
+    skew: function(x, y) {
+      return this.transform({
+        skewX: x || 0,
+        skewY: y || 0
+      });
     }
     
   });
diff --git a/dist/svg.min.js b/dist/svg.min.js
index c6275ae..508e0cc 100644
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
-/* svg.js v0.1-34-gd976188 - svg container element group arrange defs clip gradient doc shape rect circle ellipse path image text sugar - svgjs.com/license */
-function svg(e){return new SVG.Doc(e)}(function(){function n(){this.constructor.call(this,SVG.create("tspan"))}this.SVG={ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",create:function(e){return document.createElementNS(this.ns,e)},extend:function(e,t){for(var n in t)e.prototype[n]=t[n]}},SVG.Container={add:function(e,t){return this.has(e)||(t=t==null?this.children().length:t,this.children().splice(t,0,e),this.node.insertBefore(e.node,this.node.childNodes[t]||null),e.parent=this),this},has:function(e){return this.children().indexOf(e)>=0},children:function(){return this._children||(this._children=[])},remove:function(e){return this.removeAt(this.children().indexOf(e))},removeAt:function(e){if(0<=e&&e<this.children().length){var t=this.children()[e];this.children().splice(e,1),this.node.removeChild(t.node),t.parent=null}return this},defs:function(){return this._defs==null&&(this._defs=new SVG.Defs,this.add(this._defs,0)),this._defs},level:function(){var 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\ No newline at end of file
+/* svg.js v0.1-37-gc8be3da - svg container element group arrange defs clip gradient doc shape rect circle ellipse path image text sugar - svgjs.com/license */
+function svg(e){return new SVG.Doc(e)}(function(){function n(){this.constructor.call(this,SVG.create("tspan"))}this.SVG={ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",create:function(e){return document.createElementNS(this.ns,e)},extend:function(e,t){for(var n in t)e.prototype[n]=t[n]}},SVG.Container={add:function(e,t){return this.has(e)||(t=t==null?this.children().length:t,this.children().splice(t,0,e),this.node.insertBefore(e.node,this.node.childNodes[t]||null),e.parent=this),this},has:function(e){return this.children().indexOf(e)>=0},children:function(){return this._children||(this._children=[])},remove:function(e){return this.removeAt(this.children().indexOf(e))},removeAt:function(e){if(0<=e&&e<this.children().length){var t=this.children()[e];this.children().splice(e,1),this.node.removeChild(t.node),t.parent=null}return this},defs:function(){return this._defs==null&&(this._defs=new SVG.Defs,this.add(this._defs,0)),this._defs},level:function(){var 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e(t),this.clipTo(t)},clipTo:function(e){return this.attr("clip-path","url(#"+e.id+")")}}),SVG.extend(SVG.Defs,{clip:function(){var e=new SVG.Clip;return this.add(e),e}});var t=0;SVG.Gradient=function(n){this.constructor.call(this,SVG.create(n+"Gradient")),this.id="svgjs_grad_"+t++,this.type=n,this.attr("id",this.id)},SVG.Gradient.prototype=new SVG.Element,SVG.extend(SVG.Gradient,SVG.Container),SVG.extend(SVG.Gradient,{from:function(e,t){return this.type=="radial"?this.attr({fx:e+"%",fy:t+"%"}):this.attr({x1:e+"%",y1:t+"%"})},to:function(e,t){return this.type=="radial"?this.attr({cx:e+"%",cy:t+"%"}):this.attr({x2:e+"%",y2:t+"%"})},radius:function(e){return this.type=="radial"?this.attr({r:e+"%"}):this},at:function(e){var t=new SVG.Stop(e);return this.add(t),t},update:function(e){while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);return e(this),this},fill:function(){return"url(#"+this.id+")"}}),SVG.extend(SVG.Defs,{gradient:function(e,t){var n=new SVG.Gradient(e);return this.add(n),t(n),n}}),SVG.Stop=function(t){this.constructor.call(this,SVG.create("stop")),this.update(t)},SVG.Stop.prototype=new SVG.Element,SVG.extend(SVG.Stop,{update:function(e){var t="",n=["opacity","color"];for(var r=n.length-1;r>=0;r--)e[n[r]]!=null&&(t+="stop-"+n[r]+":"+e[n[r]]+";");return this.attr({offset:(e.offset!=null?e.offset:this.attr("offset")||0)+"%",style:t})}}),SVG.Doc=function(t){this.constructor.call(this,SVG.create("svg"));var n=document.createElement("div");n.style.cssText="position:relative;width:100%;height:100%;",typeof t=="string"&&(t=document.getElementById(t)),this.attr({xmlns:SVG.ns,version:"1.1",width:"100%",height:"100%"}).attr("xlink",SVG.xlink,SVG.ns).defs(),t.appendChild(n),n.appendChild(this.node),this.stage()},SVG.Doc.prototype=new SVG.Element,SVG.extend(SVG.Doc,SVG.Container),SVG.Shape=function(t){this.constructor.call(this,t)},SVG.Shape.prototype=new SVG.Element,SVG.Rect=function(){this.constructor.call(this,SVG.create("rect"))},SVG.Rect.prototype=new SVG.Shape,SVG.Circle=function(){this.constructor.call(this,SVG.create("circle"))},SVG.Circle.prototype=new SVG.Shape,SVG.extend(SVG.Circle,{move:function(e,t){return this.attrs.x=e,this.attrs.y=t,this.center()},size:function(e){return this.attr("r",e/2).center()},center:function(e,t){var n=this.attrs.r||0;return this.attr({cx:e||(this.attrs.x||0)+n,cy:t||(this.attrs.y||0)+n})}}),SVG.Ellipse=function(){this.constructor.call(this,SVG.create("ellipse"))},SVG.Ellipse.prototype=new SVG.Shape,SVG.extend(SVG.Ellipse,{move:function(e,t){return this.attrs.x=e,this.attrs.y=t,this.center()},size:function(e,t){return this.attr({rx:e/2,ry:t/2}).center()},center:function(e,t){return this.attr({cx:e||(this.attrs.x||0)+(this.attrs.rx||0),cy:t||(this.attrs.y||0)+(this.attrs.ry||0)})}}),SVG.Path=function(){this.constructor.call(this,SVG.create("path"))},SVG.Path.prototype=new SVG.Shape,SVG.extend(SVG.Path,{plot:function(e){return this.attr("d",e||"M0,0L0,0")},move:function(e,t){return this.transform({x:e,y:t})}}),SVG.Image=function(){this.constructor.call(this,SVG.create("image"))},SVG.Image.prototype=new SVG.Shape,SVG.extend(SVG.Image,{load:function(e){return this.attr("xlink:href",e,SVG.xlink)}}),SVG.Text=function(){this.constructor.call(this,SVG.create("text")),this.style={"font-size":16,"font-family":"Helvetica","text-anchor":"start"},this.leading=1.2,this.lines=[]},SVG.Text.prototype=new SVG.Shape,SVG.extend(SVG.Text,{text:function(e){this.content=e=e||"text",this.lines=[];var t,r,i=this._style(),s=this.parentDoc(),o=e.split("\n");while(this.node.hasChildNodes())this.node.removeChild(this.node.lastChild);for(t=0,l=o.length;t<l;t++)r=(new n).text(o[t]).attr({dy:this.style["font-size"]*this.leading,x:this.attr("x")||0,style:i}),this.node.appendChild(r.node),this.lines.push(r);return this.attr("style",i)},_style:function(){var e,t="",n=this._s;for(e=n.length-1;e>=0;e--)this.style["font-"+n[e]]!=null&&(t+="font-"+n[e]+":"+this.style["font-"+n[e]]+";");return t+="text-anchor:"+this.style["text-anchor"]+";",t}}),n.prototype=new SVG.Shape,SVG.extend(n,{text:function(e){return this.node.appendChild(document.createTextNode(e)),this}}),SVG.extend(SVG.Shape,{fill:function(e){return e.color!=null&&this.attr("fill",e.color),e.opacity!=null&&this.attr("fill-opacity",e.opacity),this},stroke:function(e){e.color&&this.attr("stroke",e.color);var t="width opacity linecap linejoin miterlimit dasharray dashoffset".split(" ");for(var n=t.length-1;n>=0;n--)e[t[n]]!=null&&this.attr("stroke-"+t[n],e[t[n]]);return this}}),SVG.extend(SVG.Element,{rotate:function(e,t,n){var r=this.bbox();return this.transform({rotation:e||0,cx:t==null?r.cx:t,cy:n==null?r.cx:n})},skew:function(e,t){return this.transform({skewX:e||0,skewY:t||0})}}),SVG.extend(SVG.G,{move:function(e,t){return this.transform({x:e,y:t})}}),SVG.extend(SVG.Text,{font:function(e){var t,n={};for(t in e)t=="leading"?n[t]=e[t]:t=="anchor"?n["text-anchor"]=e[t]:this._s.indexOf(t)>-1?n["font-"+t]=e[t]:void 0;return this.attr(n).text(this.content)}})}).call(this);
\ No newline at end of file
diff --git a/src/circle.js b/src/circle.js
index d1f2cdc..059813e 100644
--- a/src/circle.js
+++ b/src/circle.js
@@ -27,8 +27,8 @@ SVG.extend(SVG.Circle, {
     var r = this.attrs.r || 0;
 
     return this.attr({
-      cx: (x || ((this.attrs.x || 0) + r)),
-      cy: (y || ((this.attrs.y || 0) + r))
+      cx: x || (this.attrs.x || 0) + r,
+      cy: y || (this.attrs.y || 0) + r
     });
   }
   
diff --git a/src/element.js b/src/element.js
index 5a4d4ed..e849867 100644
--- a/src/element.js
+++ b/src/element.js
@@ -110,20 +110,18 @@ SVG.extend(SVG.Element, {
       t.push('rotate(' + o.rotation + ',' + (o.cx != null ? o.cx : b.cx) + ',' + (o.cy != null ? o.cy : b.cy) + ')');
     
     // add scale
-    if (o.scaleX != 1 && o.scaleY != 1)
-      t.push('scale(' + o.sx + ',' + o.sy + ')');
+    t.push('scale(' + o.scaleX + ',' + o.scaleY + ')');
     
     // add skew on x axis
     if (o.skewX != 0)
-      t.push('skewX(' + x.skewX + ')');
+      t.push('skewX(' + o.skewX + ')');
     
     // add skew on y axis
     if (o.skewY != 0)
-      t.push('skewY(' + x.skewY + ')')
+      t.push('skewY(' + o.skewY + ')')
     
     // add translate
-    if (o.x != 0 && o.y != 0)
-      t.push('translate(' + o.x + ',' + o.y + ')');
+    t.push('translate(' + o.x + ',' + o.y + ')');
     
     // add only te required transformations
     return this.attr('transform', t.join(' '));
@@ -138,9 +136,11 @@ SVG.extend(SVG.Element, {
       // include translations on x an y
       x:      b.x + this.trans.x,
       y:      b.y + this.trans.y,
+      
       // add the center
-      cx:     b.x + this.trans.x + b.width / 2,
+      cx:     b.x + this.trans.x + b.width  / 2,
       cy:     b.y + this.trans.y + b.height / 2,
+      
       // plain width and height
       width:  b.width,
       height: b.height
diff --git a/src/sugar.js b/src/sugar.js
index bd8454d..10a8716 100644
--- a/src/sugar.js
+++ b/src/sugar.js
@@ -41,6 +41,14 @@ SVG.extend(SVG.Element, {
       cx:       x == null ? b.cx : x,
       cy:       y == null ? b.cx : y
     });
+  },
+  
+  // skew
+  skew: function(x, y) {
+    return this.transform({
+      skewX: x || 0,
+      skewY: y || 0
+    });
   }
   
 });