html2canvas.prototype.storageContext (simplified ?)

[ainthek]

html2canvas.prototype.storageContext = function(width,height){
/**
* Simplified (readable ?) version by a.in.the.k@gmail.com
*/
var _this=this, _push=function(name)
{
var _slice=Array.prototype.slice; //TODO: extract higher
return function(){
this.storage.push(
{
type: "function",
name:name,
arguments:_slice.call(arguments)
});
}
};

_this.storage = [];
_this.width = width;
_this.height = height;
//this.zIndex;

_this.fillRect = _push("fillRect" /*x, y, w, h*/);      
_this.drawImage = _push("drawImage" /*image,sx,sy,sw,sh,dx,dy,dw,dh*/);     
_this.fillText = _push("fillText" /*currentText,x,y*/);

return _this;

}