(function($) {
var supportedCSS,styles=document.getElementsByTagName("head")[0].style,toCheck="transformProperty WebkitTransform OTransform msTransform MozTransform".split(" ");
for (var a=0;a<toCheck.length;a++) if (styles[toCheck[a]] !== undefined) supportedCSS = toCheck[a];
// Bad eval to preven google closure to remove it from code o_O
// After compresion replace it back to var IE = 'v' == '\v'
var IE = eval('"v"=="\v"');

jQuery.fn.extend({
ImageRotate:function(parameters)
{
        // If this element is already a Wilq32.PhotoEffect object, skip creation
        if (this.Wilq32&&this.Wilq32.PhotoEffect) return;
        // parameters might be applied to many objects - so because we use them later - a fresh instance is needed
        var paramClone = $.extend(true, {}, parameters);
        return (new Wilq32.PhotoEffect(this.get(0),paramClone))._rootObj;
},
rotate:function(parameters)
{
        if (this.length===0||typeof parameters=="undefined") return;
        if (typeof parameters=="number") parameters={angle:parameters};
        var returned=[];
        for (var i=0,i0=this.length;i<i0;i++)
        {
            var element=this.get(i);
                if (typeof element.Wilq32 == "undefined")
                        returned.push($($(element).ImageRotate(parameters)));
                else
            element.Wilq32.PhotoEffect._handleRotation(parameters);
        }
        return returned;
}
});

// Library agnostic interface

Wilq32=window.Wilq32||{};
Wilq32.PhotoEffect=(function(){

        if (supportedCSS) {
                return function(img,parameters){
                        img.Wilq32 = {
                                PhotoEffect: this
                        };

            this._img = this._rootObj = this._eventObj = img;
            this._handleRotation(parameters);
                }
        } else {
                return function(img,parameters) {
                        // Make sure that class and id are also copied - just in case you would like to refeer to an newly created object
            this._img = img;

                        this._rootObj=document.createElement('span');
                        this._rootObj.style.display="inline-block";
                        this._rootObj.Wilq32 =
                                {
                                        PhotoEffect: this
                                };
                        img.parentNode.insertBefore(this._rootObj,img);

                        if (img.complete) {
                                this._Loader(parameters);
                        } else {
                                var self=this;
                                // TODO: Remove jQuery dependency
                                jQuery(this._img).bind("load", function()
                                {
                                        self._Loader(parameters);
                                });
                        }
                }
        }
})();

Wilq32.PhotoEffect.prototype={
    _setupParameters : function (parameters){
                this._parameters = this._parameters || {};
        if (typeof this._angle !== "number") this._angle = 0 ;
        if (typeof parameters.angle==="number") this._angle = parameters.angle;
        this._parameters.animateTo = (typeof parameters.animateTo==="number") ? (parameters.animateTo) : (this._angle);

                this._parameters.easing = parameters.easing || this._parameters.easing || function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b; }
                this._parameters.duration = parameters.duration || this._parameters.duration || 1000;
        this._parameters.callback = parameters.callback || this._parameters.callback || function(){};
        if (parameters.bind && parameters.bind != this._parameters.bind) this._BindEvents(parameters.bind);
        },
        _handleRotation : function(parameters){
          this._setupParameters(parameters);
          if (this._angle==this._parameters.animateTo) {
              this._rotate(this._angle);
          }
          else {
              this._animateStart();
          }
        },

        _BindEvents:function(events){
                if (events && this._eventObj)
                {
            // Unbinding previous Events
            if (this._parameters.bind){
                var oldEvents = this._parameters.bind;
                for (var a in oldEvents) if (oldEvents.hasOwnProperty(a))
                        // TODO: Remove jQuery dependency
                        jQuery(this._eventObj).unbind(a,oldEvents[a]);
            }

            this._parameters.bind = events;
                        for (var a in events) if (events.hasOwnProperty(a))
                                // TODO: Remove jQuery dependency
                                        jQuery(this._eventObj).bind(a,events[a]);
                }
        },

        _Loader:(function()
        {
                if (IE)
                return function(parameters)
                {
                        var width=this._img.width;
                        var height=this._img.height;
                        this._img.parentNode.removeChild(this._img);

                        this._vimage = this.createVMLNode('image');
                        this._vimage.src=this._img.src;
                        this._vimage.style.height=height+"px";
                        this._vimage.style.width=width+"px";
                        this._vimage.style.position="absolute"; // FIXES IE PROBLEM - its only rendered if its on absolute position!
                        this._vimage.style.top = "0px";
                        this._vimage.style.left = "0px";

                        /* Group minifying a small 1px precision problem when rotating object */
                        this._container =  this.createVMLNode('group');
                        this._container.style.width=width;
                        this._container.style.height=height;
                        this._container.style.position="absolute";
                        this._container.setAttribute('coordsize',width-1+','+(height-1)); // This -1, -1 trying to fix ugly problem with small displacement on IE
                        this._container.appendChild(this._vimage);

                        this._rootObj.appendChild(this._container);
                        this._rootObj.style.position="relative"; // FIXES IE PROBLEM
                        this._rootObj.style.width=width+"px";
                        this._rootObj.style.height=height+"px";
                        this._rootObj.setAttribute('id',this._img.getAttribute('id'));
                        this._rootObj.className=this._img.className;
                    this._eventObj = this._rootObj;
                    this._handleRotation(parameters);
                }
                else
                return function (parameters)
                {
                        this._rootObj.setAttribute('id',this._img.getAttribute('id'));
                        this._rootObj.className=this._img.className;

                        this._width=this._img.width;
                        this._height=this._img.height;
                        this._widthHalf=this._width/2; // used for optimisation
                        this._heightHalf=this._height/2;// used for optimisation

                        var _widthMax=Math.sqrt((this._height)*(this._height) + (this._width) * (this._width));

                        this._widthAdd = _widthMax - this._width;
                        this._heightAdd = _widthMax - this._height;     // widthMax because maxWidth=maxHeight
                        this._widthAddHalf=this._widthAdd/2; // used for optimisation
                        this._heightAddHalf=this._heightAdd/2;// used for optimisation

                        this._img.parentNode.removeChild(this._img);

                        this._aspectW = ((parseInt(this._img.style.width,10)) || this._width)/this._img.width;
                        this._aspectH = ((parseInt(this._img.style.height,10)) || this._height)/this._img.height;

                        this._canvas=document.createElement('canvas');
                        this._canvas.setAttribute('width',this._width);
                        this._canvas.style.position="relative";
                        this._canvas.style.left = -this._widthAddHalf + "px";
                        this._canvas.style.top = -this._heightAddHalf + "px";
                        this._canvas.Wilq32 = this._rootObj.Wilq32;

                        this._rootObj.appendChild(this._canvas);
                        this._rootObj.style.width=this._width+"px";
                        this._rootObj.style.height=this._height+"px";
            this._eventObj = this._canvas;

                        this._cnv=this._canvas.getContext('2d');
            this._handleRotation(parameters);
                }
        })(),

        _animateStart:function()
        {
                if (this._timer) {
                        clearTimeout(this._timer);
                }
                this._animateStartTime = +new Date;
                this._animateStartAngle = this._angle;
                this._animate();
        },
_animate:function()
     {
         var actualTime = +new Date;
         var checkEnd = actualTime - this._animateStartTime > this._parameters.duration;

         // TODO: Bug for animatedGif for static rotation ? (to test)
         if (checkEnd && !this._parameters.animatedGif)
         {
             clearTimeout(this._timer);
         }
         else
         {
             if (this._canvas||this._vimage||this._img) {
                 var angle = this._parameters.easing(0, actualTime - this._animateStartTime, this._animateStartAngle, this._parameters.animateTo - this._animateStartAngle, this._parameters.duration);
                 this._rotate((~~(angle*10))/10);
             }
             var self = this;
             this._timer = setTimeout(function()
                     {
                     self._animate.call(self);
                     }, 10);
         }

         // To fix Bug that prevents using recursive function in callback I moved this function to back
         if (this._parameters.callback && checkEnd){
             this._angle = this._parameters.animateTo;
             this._rotate(this._angle);
             this._parameters.callback.call(this._rootObj);
         }
     },

        _rotate : (function()
        {
                var rad = Math.PI/180;
                if (IE)
                return function(angle)
                {
            this._angle = angle;
                        this._container.style.rotation=(angle%360)+"deg";
                }
                else if (supportedCSS)
                return function(angle){
            this._angle = angle;
                        this._img.style[supportedCSS]="rotate("+(angle%360)+"deg)";
                }
                else
                return function(angle)
                {
            this._angle = angle;
                        angle=(angle%360)* rad;
                        // clear canvas
                        this._canvas.width = this._width+this._widthAdd;
                        this._canvas.height = this._height+this._heightAdd;

                        // REMEMBER: all drawings are read from backwards.. so first function is translate, then rotate, then translate, translate..
                        this._cnv.translate(this._widthAddHalf,this._heightAddHalf);    // at least center image on screen
                        this._cnv.translate(this._widthHalf,this._heightHalf);                  // we move image back to its orginal
                        this._cnv.rotate(angle);                                                                                // rotate image
                        this._cnv.translate(-this._widthHalf,-this._heightHalf);                // move image to its center, so we can rotate around its center
                        this._cnv.scale(this._aspectW,this._aspectH); // SCALE - if needed ;)
                        this._cnv.drawImage(this._img, 0, 0);                                                   // First - we draw image
                }

        })()
}

if (IE)
{
Wilq32.PhotoEffect.prototype.createVMLNode=(function(){
document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
                try {
                        !document.namespaces.rvml && document.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
                        return function (tagName) {
                                return document.createElement('<rvml:' + tagName + ' class="rvml">');
                        };
                } catch (e) {
                        return function (tagName) {
                                return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
                        };
                }
})();
}

})(jQuery);