| // VERSION: 2.3 LAST UPDATE: 11.07.2013 |
| /* |
| * Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php |
| * |
| * Made by Wilq32, wilq32@gmail.com, Wroclaw, Poland, 01.2009 |
| * Website: http://code.google.com/p/jqueryrotate/ |
| */ |
| |
| (function($) { |
| var supportedCSS,supportedCSSOrigin, 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]; } |
| if (supportedCSS) { |
| supportedCSSOrigin = supportedCSS.replace(/[tT]ransform/,"TransformOrigin"); |
| if (supportedCSSOrigin[0] == "T") supportedCSSOrigin[0] = "t"; |
| } |
| |
| // Bad eval to preven google closure to remove it from code o_O |
| eval('IE = "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); |
| } |
| } |
| } |
| }); |
| |
| // 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) { |
| this._img = img; |
| this._onLoadDelegate = [parameters]; |
| |
| 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(); |
| } else { |
| var self=this; |
| // TODO: Remove jQuery dependency |
| jQuery(this._img).bind("load", function(){ self._Loader(); }); |
| } |
| } |
| } |
| })(); |
| |
| 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 || this._defaultEasing; |
| this._parameters.duration = parameters.duration || this._parameters.duration || 1000; |
| this._parameters.callback = parameters.callback || this._parameters.callback || this._emptyFunction; |
| this._parameters.center = parameters.center || this._parameters.center || ["50%","50%"]; |
| if (typeof this._parameters.center[0] == "string") { |
| this._rotationCenterX = (parseInt(this._parameters.center[0],10) / 100) * this._imgWidth * this._aspectW; |
| } else { |
| this._rotationCenterX = this._parameters.center[0]; |
| } |
| if (typeof this._parameters.center[1] == "string") { |
| this._rotationCenterY = (parseInt(this._parameters.center[1],10) / 100) * this._imgHeight * this._aspectH; |
| } else { |
| this._rotationCenterY = this._parameters.center[1]; |
| } |
| |
| if (parameters.bind && parameters.bind != this._parameters.bind) { this._BindEvents(parameters.bind); } |
| }, |
| _emptyFunction: function(){}, |
| _defaultEasing: function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b }, |
| _handleRotation : function(parameters, dontcheck){ |
| if (!supportedCSS && !this._img.complete && !dontcheck) { |
| this._onLoadDelegate.push(parameters); |
| return; |
| } |
| 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() { |
| var width=this._img.width; |
| var height=this._img.height; |
| this._imgWidth = width; |
| this._imgHeight = 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"; |
| this._aspectW = this._aspectH = 1; |
| |
| /* 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.style.top="0px"; |
| this._container.style.left="0px"; |
| 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; |
| var parameters; |
| while (parameters = this._onLoadDelegate.shift()) { |
| this._handleRotation(parameters, true); |
| } |
| } |
| else return function () { |
| this._rootObj.setAttribute('id',this._img.getAttribute('id')); |
| this._rootObj.className=this._img.className; |
| |
| this._imgWidth=this._img.naturalWidth; |
| this._imgHeight=this._img.naturalHeight; |
| var _widthMax=Math.sqrt((this._imgHeight)*(this._imgHeight) + (this._imgWidth) * (this._imgWidth)); |
| this._width = _widthMax * 3; |
| this._height = _widthMax * 3; |
| |
| this._aspectW = this._img.offsetWidth/this._img.naturalWidth; |
| this._aspectH = this._img.offsetHeight/this._img.naturalHeight; |
| |
| this._img.parentNode.removeChild(this._img); |
| |
| |
| this._canvas=document.createElement('canvas'); |
| this._canvas.setAttribute('width',this._width); |
| this._canvas.style.position="relative"; |
| this._canvas.style.left = -this._img.height * this._aspectW + "px"; |
| this._canvas.style.top = -this._img.width * this._aspectH + "px"; |
| this._canvas.Wilq32 = this._rootObj.Wilq32; |
| |
| this._rootObj.appendChild(this._canvas); |
| this._rootObj.style.width=this._img.width*this._aspectW+"px"; |
| this._rootObj.style.height=this._img.height*this._aspectH+"px"; |
| this._eventObj = this._canvas; |
| |
| this._cnv=this._canvas.getContext('2d'); |
| var parameters; |
| while (parameters = this._onLoadDelegate.shift()) { |
| this._handleRotation(parameters, true); |
| } |
| } |
| })(), |
| |
| _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); |
| } |
| if (this._parameters.step) { |
| this._parameters.step(this._angle); |
| } |
| 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"; |
| this._vimage.style.top = -(this._rotationCenterY - this._imgHeight/2) + "px"; |
| this._vimage.style.left = -(this._rotationCenterX - this._imgWidth/2) + "px"; |
| this._container.style.top = this._rotationCenterY - this._imgHeight/2 + "px"; |
| this._container.style.left = this._rotationCenterX - this._imgWidth/2 + "px"; |
| |
| } |
| else if (supportedCSS) |
| return function(angle){ |
| this._angle = angle; |
| this._img.style[supportedCSS]="rotate("+(angle%360)+"deg)"; |
| this._img.style[supportedCSSOrigin]=this._parameters.center.join(" "); |
| } |
| 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._imgWidth*this._aspectW,this._imgHeight*this._aspectH); // at least center image on screen |
| this._cnv.translate(this._rotationCenterX,this._rotationCenterY); // we move image back to its orginal |
| this._cnv.rotate(angle); // rotate image |
| this._cnv.translate(-this._rotationCenterX,-this._rotationCenterY); // 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); |
