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];
// 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({
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) {
// 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.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)
{
// 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);
}
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";
}
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);
awardRotate.js的更多相关文章
- awardRotate转盘插件文字模糊问题和图片加载问题
前言 最近在做一个转盘抽奖页面,使用了awardRotate.js发现字体和图片都有模糊,绘制的时候图片绘制不全,搜索一下之后发现针对awardRotate的解决方法比较少,针对canvas的比较多, ...
- Vue.js 和 MVVM 小细节
MVVM 是Model-View-ViewModel 的缩写,它是一种基于前端开发的架构模式,其核心是提供对View 和 ViewModel 的双向数据绑定,这使得ViewModel 的状态改变可以自 ...
- js学习笔记:操作iframe
iframe可以说是比较老得话题了,而且网上也基本上在说少用iframe,其原因大致为:堵塞页面加载.安全问题.兼容性问题.搜索引擎抓取不到等等,不过相对于这些缺点,iframe的优点更牛,跨域请求. ...
- js学习笔记:webpack基础入门(一)
之前听说过webpack,今天想正式的接触一下,先跟着webpack的官方用户指南走: 在这里有: 如何安装webpack 如何使用webpack 如何使用loader 如何使用webpack的开发者 ...
- JS调用Android、Ios原生控件
在上一篇博客中已经和大家聊了,关于JS与Android.Ios原生控件之间相互通信的详细代码实现,今天我们一起聊一下JS调用Android.Ios通信的相同点和不同点,以便帮助我们在进行混合式开发时, ...
- jquery和Js的区别和基础操作
jqery的语法和js的语法一样,算是把js升级了一下,这两种语法可以一起使用,只不过是用jqery更加方便 一个页面想要使用jqery的话,先要引入一下jqery包,jqery包从网上下一个就可以, ...
- 利用snowfall.jquery.js实现爱心满屏飞
小颖在上一篇一步一步教你用CSS画爱心中已经分享一种画爱心的方法,这次再分享一种方法用css画爱心,并利用snowfall.jquery.js实现爱心满屏飞的效果. 第一步: 利用伪元素before和 ...
- node.js学习(三)简单的node程序&&模块简单使用&&commonJS规范&&深入理解模块原理
一.一个简单的node程序 1.新建一个txt文件 2.修改后缀 修改之后会弹出这个,点击"是" 3.运行test.js 源文件 使用node.js运行之后的. 如果该路径下没有该 ...
- JS正则表达式常用总结
正则表达式的创建 JS正则表达式的创建有两种方式: new RegExp() 和 直接字面量. //使用RegExp对象创建 var regObj = new RegExp("(^\\s+) ...
随机推荐
- 转:docker的核心技术深度剖析
一.docker是什么 Docker的英文本意是码头工人,也就是搬运工,这种搬运工搬运的是集装箱(Container),集装箱里面装的可不是商品货物,而是任意类型的App,Docker把App(叫Pa ...
- Ubentu下安装Docker
具体可以查看Docker官网,我是在服务器上面操作 1,sudo apt-get install -y apt-transport-https ca-certificates curl softwar ...
- ReferenceQueue
@Test public void strongReference() { Object referent = new Object(); /** * 通过赋值创建 StrongReference * ...
- python插入记录后获取最后一条数据的id
python插入记录后取得主键id的方法(cursor.lastrowid和conn.insert_id()) 参考:https://blog.csdn.net/qq_37788558/article ...
- Cloudflare发布全球最快的DNS
宣布1.1.1.1:速度最快,隐私优先的消费者DNS服务 Cloudflare的使命是帮助建立更好的互联网.今天我们很高兴能够在推出1.1.1.1--互联网最快,首先保护隐私的消费者DNS服务的同 ...
- std::bind
参考资料 • cplusplus.com:http://www.cplusplus.com/reference/functional/bind/ • cppreference.com:http://e ...
- 12.MySQL必知必会之分组数据
本文将介绍如何分组数据,以便能汇总表内容的子集,这涉及两个新SELECT语句子句,分别是 GROUP BY 子句和HAVING子句. 1.1 创建分组 分组是在SELECT语句的GROUP BY子句中 ...
- react build 后打包发布总结
一,部署在apache web服务器上(wamp | xammp) 1.后台接口需要做跨域设置 (1)在服务端利用Access-Control-Allow-Origin响应头解决. 设置A ...
- iOS & Android APP crash保护机制
一.背景 还在码代码,码好再BB... 二.思路 三.解决方案 四.注意点 五.开源项目 github:https://github.com/qiyer/QYCrashProtector
- NUMA架构的优缺点
numa把一台计算机分成多个节点(node),每个节点内部拥有多个CPU,节点内部使用共有的内存控制器,节点之间是通过互联模块进行连接和信息交互.因此节点的所有内存对于本节点所有的CPU都是等同的,对 ...