qianduo/games_h5/js/awardRotate.js

(function($){var supportedCSS,styles=document.getElementsByTagName("head")[0].style,toCheck="transformProperty WebkitTransform OTransform msTransform MozTransform".split(" ");for(var a=0;a<toCheck.length;a++)if(styles[toCheck[a]]!==undefined)supportedCSS=toCheck[a];var IE=eval('"v"=="\v"');jQuery.fn.extend({rotate:function(parameters)
{if(this.length===0||typeof parameters=="undefined")return;if(typeof parameters=="number")parameters={angle:parameters};var returned=[];for(var i=0,i0=this.length;i<i0;i++)
{var element=this.get(i);if(!element.Wilq32||!element.Wilq32.PhotoEffect){var paramClone=$.extend(true,{},parameters);var newRotObject=new Wilq32.PhotoEffect(element,paramClone)._rootObj;returned.push($(newRotObject));}
else{element.Wilq32.PhotoEffect._handleRotation(parameters);}}
return returned;},getRotateAngle:function(){var ret=[];for(var i=0,i0=this.length;i<i0;i++)
{var element=this.get(i);if(element.Wilq32&&element.Wilq32.PhotoEffect){ret[i]=element.Wilq32.PhotoEffect._angle;}}
return ret;},stopRotate:function(){for(var i=0,i0=this.length;i<i0;i++)
{var element=this.get(i);if(element.Wilq32&&element.Wilq32.PhotoEffect){clearTimeout(element.Wilq32.PhotoEffect._timer);}}}});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){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;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.step=parameters.step||this._parameters.step||null;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)
{if(this._parameters.bind){var oldEvents=this._parameters.bind;for(var a in oldEvents)if(oldEvents.hasOwnProperty(a))
jQuery(this._eventObj).unbind(a,oldEvents[a]);}
this._parameters.bind=events;for(var a in events)if(events.hasOwnProperty(a))
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";this._vimage.style.top="0px";this._vimage.style.left="0px";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._container.appendChild(this._vimage);this._rootObj.appendChild(this._container);this._rootObj.style.position="relative";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;this._heightHalf=this._height/2;var _widthMax=Math.sqrt((this._height)*(this._height)+(this._width)*(this._width));this._widthAdd=_widthMax-this._width;this._heightAdd=_widthMax-this._height;this._widthAddHalf=this._widthAdd/2;this._heightAddHalf=this._heightAdd/2;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;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);}
if(this._parameters.step){this._parameters.step(this._angle);}
var self=this;this._timer=setTimeout(function()
{self._animate.call(self);},10);}
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;this._canvas.width=this._width+this._widthAdd;this._canvas.height=this._height+this._heightAdd;this._cnv.translate(this._widthAddHalf,this._heightAddHalf);this._cnv.translate(this._widthHalf,this._heightHalf);this._cnv.rotate(angle);this._cnv.translate(-this._widthHalf,-this._heightHalf);this._cnv.scale(this._aspectW,this._aspectH);this._cnv.drawImage(this._img,0,0);}})()}
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);