├── img
    └── 4.jpg
├── .gitignore
├── fonts
    ├── FontAwesome.otf
    ├── fontawesome-webfont.eot
    ├── fontawesome-webfont.ttf
    ├── fontawesome-webfont.woff
    └── fontawesome-webfont.woff2
├── README.md
├── docs
    ├── api.md
    ├── demo2.html
    └── demo.html
├── LICENSE
└── dist
    ├── photoClip.min.js
    ├── hammer.min.js
    ├── photoClip.js
    ├── iscroll-zoom.min.js
    └── jquery.min.js


/img/4.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/img/4.jpg


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/.gitignore:
--------------------------------------------------------------------------------
1 | static
2 | .project
3 | node_modules
4 | gulpfile.js
5 | package.json
6 | 


--------------------------------------------------------------------------------
/fonts/FontAwesome.otf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/fonts/FontAwesome.otf


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/fonts/fontawesome-webfont.eot:
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https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/fonts/fontawesome-webfont.eot


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/fonts/fontawesome-webfont.ttf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/fonts/fontawesome-webfont.ttf


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/fonts/fontawesome-webfont.woff:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/fonts/fontawesome-webfont.woff


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/fonts/fontawesome-webfont.woff2:
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https://raw.githubusercontent.com/topoadmin/photoClip/HEAD/fonts/fontawesome-webfont.woff2


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/README.md:
--------------------------------------------------------------------------------
 1 | # jQuery photoClip
 2 | ## qq群：82447172
 3 | ---
 4 | 
 5 | ### photoClip
 6 | jQuery 图片裁剪 
 7 | 
 8 | - [使用示例1](http://topoadmin.github.io/photoClip/docs/demo.html)
 9 | - [使用示例2](http://topoadmin.github.io/photoClip/docs/demo2.html)
10 | - [API文档](http://github.com/topoadmin/photoClip/blob/master/docs/api.md)
11 | 
12 | **使用说明：**
13 | 1. 获取 jQuery photoClip
14 | 
15 |   - [直接下载](https://github.com/topoadmin/photoClip/archive/master.zip)
16 | 
17 | 2. 引入 Amaze UI 样式
18 | 
19 | 
20 |   ```html
21 |   <link rel="stylesheet" href="dist/amazeui.min.css"/>
22 |   ```
23 | 
24 | 3. 引入 photoClip 插件（`dist` 目录下的 JS）：
25 |   ```html
26 |   <script src="dist/jquery.min.js"></script>
27 |   <script src="dist/amazeui.min.js"></script>
28 |   <script src="dist/iscroll-zoom.js"></script>	
29 |   <script src="dist/hammer.js"></script>	
30 |   <script src="dist/photoClip.min.js"></script>
31 |   ```
32 | 
33 | 4. 使用方法目前请看 DEMO
34 | 
35 | 
36 | 


--------------------------------------------------------------------------------
/docs/api.md:
--------------------------------------------------------------------------------
 1 | # photoClip API
 2 | ---
 3 | 
 4 | ## 选项
 5 | 
 6 | 选项 | 类型 | 默认值 | 描述
 7 | --- | ---- | ------- | -----------
 8 | width | Int | `200` | 裁剪框宽
 9 | height | Int | `200` | 裁剪框高
10 | fileMinSize | Int | `20` | 图片质量最小值(kb)
11 | defaultImg | String |  `'图片路径'` | 初始图片路径（未完善）
12 | file | dom | `null` | (必须) file按钮
13 | ok | dom | `null` | (必须) 确定裁剪按钮
14 | outputType | String |  `'jpg'` | 指定输出图片的类型，可选 "jpg" 和 "png" 两种种类型，默认为 "jpg"
15 | strictSize | Boolean |  `false` | 是否严格按照截取区域宽高裁剪。默认为false，表示截取区域宽高仅用于约束宽高比例。如果设置为true，则表示截取出的图像宽高严格按照截取区域宽高输出。
16 | customOutput | Boolean |  `false` | 自定义选择完毕输出，不执行内部填充函数
17 | loadStart | Function|  `null` | 开始加载的回调函数。this指向 fileReader 对象，并将正在加载的 file 对象作为参数传入。
18 | loadProgress | Function|  `null` | 加载中的回调,传入参数 加载百分比
19 | loadComplete | Function|  `null` | 加载完成的回调函数。this指向图片对象，并将图片地址作为参数传入。
20 | loadError | Function|  `null` | 加载失败的回调函数。this指向 fileReader 对象，并将错误事件的 event 对象作为参数传入。
21 | clipFinish | Function|  `null` | 裁剪完成的回调函数。this指向图片对象，会将裁剪出的图像数据DataURL作为参数传入。
22 | formatError | Function|  `null` | 图片格式错误
23 | imgSizeMin | Function|  `null` | 图片质量小于设置范围时回调
24 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2016 Gaoshi
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/docs/demo2.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | 
 4 | 	<head>
 5 | 		<meta charset="utf-8">
 6 | 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 7 | 		<meta name="renderer" content="webkit">
 8 | 		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
 9 | 		<meta http-equiv="Cache-Control" content="no-siteapp" />
10 | 		<title>裁剪图片演示-带初始值</title>
11 | 		<link rel="stylesheet" type="text/css" href="../dist/amazeui.min.css" />
12 | 		<style type="text/css">
13 | 			#clip {
14 | 				width: 100%;
15 | 				height: 400px;
16 | 			}
17 | 		</style>
18 | 	</head>
19 | 
20 | 	<body>
21 | 		<div id="clip"></div>
22 | 
23 | 		<div class="am-margin-sm">
24 | 			<button type="button" class="am-btn am-btn-primary" id="toggle-file">上传头像</button>
25 | 			<button type="button" class="am-btn am-btn-primary" id="clipBtn">裁剪</button>
26 | 		</div>
27 | 
28 | 		<input class="am-hide" type="file" id="file">
29 | 
30 | 		<img class="am-img-circle" id="img-view"/>
31 | 
32 | 		<script src="../dist/jquery.min.js" type="text/javascript" charset="utf-8"></script>
33 | 		<script src="../dist/iscroll-zoom.min.js" type="text/javascript" charset="utf-8"></script>
34 | 		<script src="../dist/hammer.min.js" type="text/javascript" charset="utf-8"></script>
35 | 		<script src="../dist/photoClip.min.js" type="text/javascript" charset="utf-8"></script>
36 | 		<script>
37 | 			$(function() {
38 | 				var $clip = $("#clip");
39 | 				var $file = $("#file");
40 | 				$("#toggle-file").click(function() {
41 | 					$file.trigger("click");
42 | 				});
43 | 
44 | 				$clip.photoClip({
45 | 					width: 250,
46 | 					height: 250,
47 | 					fileMinSize: 20,
48 | 					file: $file,
49 | 					defaultImg: "../img/4.jpg",
50 | 					ok: "#clipBtn",
51 | 					loadStart: function() {
52 | 						console.log("照片读取中");
53 | 					},
54 | 					loadProgress: function(progress) {
55 | 						console.log(progress);
56 | 					},
57 | 					loadError: function() {
58 | 						console.log("图片加载失败");
59 | 					},
60 | 					loadComplete: function() {
61 | 						console.log("照片读取完成");
62 | 					},
63 | 					imgSizeMin: function(kbs) {
64 | 						console.log(kbs, "上传图片过小");
65 | 					},
66 | 					clipFinish: function(dataURL) {
67 | 						document.getElementById("img-view").src = dataURL;
68 | 					}
69 | 				});
70 | 			})
71 | 		</script>
72 | 
73 | 	</body>
74 | 
75 | </html>


--------------------------------------------------------------------------------
/docs/demo.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | 
 4 | 	<head>
 5 | 		<meta charset="utf-8">
 6 | 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 7 | 		<meta name="renderer" content="webkit">
 8 | 		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
 9 | 		<meta http-equiv="Cache-Control" content="no-siteapp" />
10 | 		<title>裁剪图片演示</title>
11 | 		<link rel="stylesheet" type="text/css" href="../dist/amazeui.min.css" />
12 | 		<style type="text/css">
13 | 			#clip {
14 | 				width: 100%;
15 | 				height: 400px;
16 | 			}
17 | 		</style>
18 | 	</head>
19 | 
20 | 	<body>
21 | 		<div class="am-popup" id="my-popup">
22 | 			<div class="am-popup-inner">
23 | 				<div class="am-popup-hd">
24 | 					<h4 class="am-popup-title">裁剪图片</h4>
25 | 					<span data-am-modal-close class="am-close">&times;</span>
26 | 				</div>
27 | 				<div class="am-popup-bd">
28 | 					<!-- 裁剪显示区 -->
29 | 					<div class="am-margin-bottom-sm" id="clip"></div>
30 | 
31 | 					<button type="button" class="am-btn am-btn-primary" id="clipBtn">
32 | 						裁剪
33 | 					</button>
34 | 
35 | 					<input class="am-hide" type="file" id="file">
36 | 				</div>
37 | 			</div>
38 | 		</div>
39 | 
40 | 		<div>
41 | 			<img class="am-img-circle am-img-thumbnail" src="../img/4.jpg" id="img-view" />
42 | 			<br>
43 | 			<button type="button" class="am-btn am-btn-primary" id="toggle-file">上传头像</button>
44 | 		</div>
45 | 
46 | 		<script src="../dist/jquery.min.js" type="text/javascript" charset="utf-8"></script>
47 | 		<script src="../dist/amazeui.min.js" type="text/javascript" charset="utf-8"></script>
48 | 		<script src="../dist/iscroll-zoom.min.js" type="text/javascript" charset="utf-8"></script>
49 | 		<script src="../dist/hammer.min.js" type="text/javascript" charset="utf-8"></script>
50 | 		<script src="../dist/photoClip.min.js" type="text/javascript" charset="utf-8"></script>
51 | 		<script>
52 | 			$(function() {
53 | 				var $clip = $("#clip");
54 | 				var $file = $("#file");
55 | 				var $imgView = $("#img-view");
56 | 				var $popup = $("#my-popup");
57 | 				$("#toggle-file").click(function() {
58 | 					$file.trigger("click");
59 | 					$popup.modal({
60 | 						closeViaDimmer: false
61 | 					});
62 | 				});
63 | 
64 | 				$clip.photoClip({
65 | 					width: 250,
66 | 					height: 250,
67 | 					fileMinSize: 20,
68 | 					file: $file,
69 | 					ok: "#clipBtn",
70 | 					loadStart: function() {
71 | 						console.log("照片读取中");
72 | 					},
73 | 					loadProgress: function(progress) {
74 | 						console.log(progress);
75 | 					},
76 | 					loadError: function() {
77 | 						console.log("图片加载失败");
78 | 					},
79 | 					loadComplete: function() {
80 | 						console.log("照片读取完成");
81 | 					},
82 | 					imgSizeMin: function(kbs) {
83 | 						console.log(kbs, "上传图片过小");
84 | 					},
85 | 					clipFinish: function(dataURL) {
86 | 						document.getElementById("img-view").src = dataURL;
87 | 						$popup.modal("close");
88 | 					}
89 | 				});
90 | 			})
91 | 		</script>
92 | 
93 | 	</body>
94 | 
95 | </html>


--------------------------------------------------------------------------------
/dist/photoClip.min.js:
--------------------------------------------------------------------------------
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this._timer=k(function(){this.state=Xb},this.options.interval,this),Xb},reset:function(){clearTimeout(this._timer)},emit:function(){this.state==Vb&&(this._input.tapCount=this.count,this.manager.emit(this.options.event,this._input))}}),hc.VERSION="2.0.4",hc.defaults={domEvents:!1,touchAction:Jb,enable:!0,inputTarget:null,inputClass:null,preset:[[ec,{enable:!1}],[cc,{enable:!1},["rotate"]],[fc,{direction:X}],[bc,{direction:X},["swipe"]],[gc],[gc,{event:"doubletap",taps:2},["tap"]],[dc]],cssProps:{userSelect:"none",touchSelect:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},ic=1,jc=2,kc.prototype={set:function(a){return n(this.options,a),a.touchAction&&this.touchAction.update(),a.inputTarget&&(this.input.destroy(),this.input.target=a.inputTarget,this.input.init()),this},stop:function(a){this.session.stopped=a?jc:ic},recognize:function(a){var c,d,e,f,b=this.session;if(!b.stopped)for(this.touchAction.preventDefaults(a),d=this.recognizers,e=b.curRecognizer,(!e||e&&e.state&Vb)&&(e=b.curRecognizer=null),f=0;f<d.length;)c=d[f],b.stopped===jc||e&&c!=e&&!c.canRecognizeWith(e)?c.reset():c.recognize(a),!e&&c.state&(Sb|Tb|Ub)&&(e=b.curRecognizer=c),f++},get:function(a){var b,c;if(a instanceof Yb)return a;for(b=this.recognizers,c=0;c<b.length;c++)if(b[c].options.event==a)return b[c];return null},add:function(a){if(l(a,"add",this))return this;var b=this.get(a.options.event);return b&&this.remove(b),this.recognizers.push(a),a.manager=this,this.touchAction.update(),a},remove:function(a){if(l(a,"remove",this))return this;var b=this.recognizers;return a=this.get(a),b.splice(y(b,a),1),this.touchAction.update(),this},on:function(a,b){var c=this.handlers;return m(x(a),function(a){c[a]=c[a]||[],c[a].push(b)}),this},off:function(a,b){var c=this.handlers;return m(x(a),function(a){b?c[a].splice(y(c[a],b),1):delete c[a]}),this},emit:function(a,b){var c,d;if(this.options.domEvents&&mc(a,b),c=this.handlers[a]&&this.handlers[a].slice(),c&&c.length)for(b.type=a,b.preventDefault=function(){b.srcEvent.preventDefault()},d=0;d<c.length;)c[d](b),d++},destroy:function(){this.element&&lc(this,!1),this.handlers={},this.session={},this.input.destroy(),this.element=null}},n(hc,{INPUT_START:O,INPUT_MOVE:P,INPUT_END:Q,INPUT_CANCEL:R,STATE_POSSIBLE:Rb,STATE_BEGAN:Sb,STATE_CHANGED:Tb,STATE_ENDED:Ub,STATE_RECOGNIZED:Vb,STATE_CANCELLED:Wb,STATE_FAILED:Xb,DIRECTION_NONE:S,DIRECTION_LEFT:T,DIRECTION_RIGHT:U,DIRECTION_UP:V,DIRECTION_DOWN:W,DIRECTION_HORIZONTAL:X,DIRECTION_VERTICAL:Y,DIRECTION_ALL:Z,Manager:kc,Input:ab,TouchAction:Pb,TouchInput:Eb,MouseInput:rb,PointerEventInput:wb,TouchMouseInput:Gb,SingleTouchInput:Ab,Recognizer:Yb,AttrRecognizer:ac,Tap:gc,Pan:bc,Swipe:fc,Pinch:cc,Rotate:ec,Press:dc,on:t,off:u,each:m,merge:o,extend:n,inherit:p,bindFn:q,prefixed:B}),typeof define==g&&define.amd?define(function(){return hc}):"undefined"!=typeof module&&module.exports?module.exports=hc:a[c]=hc}(window,document,"Hammer");


--------------------------------------------------------------------------------
/dist/photoClip.js:
--------------------------------------------------------------------------------
  1 | /***
  2 |  * @description 改自jquery-photoClip http://www.jq22.com/jquery-info4894
  3 |  * @time 2016-10-07 21:47:47
  4 |  * @endTime 2016-10-07 23:52:50
  5 |  * options 参数说明
  6 |  * ------------------
  7 |  * @param width				Int			裁剪框宽
  8 |  * @param height			Int 		裁剪框高
  9 |  * @param fileMinSize		Int			图片质量最小值(kb),默认 20kb
 10 |  * @param defaultImg		String		初始图片路径（未完善）
 11 |  * @param file				dom 		file 按钮
 12 |  * @param ok				dom 		确定裁剪按钮
 13 |  * @param outputType		String		指定输出图片的类型，可选 "jpg" 和 "png" 两种种类型，默认为 "jpg"。
 14 |  * @param strictSize		Boolean 	是否严格按照截取区域宽高裁剪。默认为false，表示截取区域宽高仅用于约束宽高比例。如果设置为true，则表示截取出的图像宽高严格按照截取区域宽高输出。
 15 |  * @param loadStart			Function 	开始加载的回调函数。this指向 fileReader 对象，并将正在加载的 file 对象作为参数传入。
 16 |  * @param loadProgress		Function	加载中的回调,传入参数 加载百分比
 17 |  * @param loadComplete		Function	加载完成的回调函数。this指向图片对象，并将图片地址作为参数传入。
 18 |  * @param loadError			Function 	加载失败的回调函数。this指向 fileReader 对象，并将错误事件的 event 对象作为参数传入。
 19 |  * @param clipFinish		Function 	裁剪完成的回调函数。this指向图片对象，会将裁剪出的图像数据DataURL作为参数传入。
 20 |  * @param formatError		Function	图片格式错误
 21 |  * @param imgSizeMin		Function	图片质量小于设置范围时回调
 22 |  * ------------------
 23 |  * @version 1.0.0
 24 |  */
 25 | ;
 26 | (function(root, factory) {
 27 | 	"use strict";
 28 | 
 29 | 	if(typeof define === "function" && define.amd) {
 30 | 		define(["jquery", "iscroll-zoom", "hammer"], factory);
 31 | 	} else if(typeof exports === "object") {
 32 | 		module.exports = factory(require("jquery"), require("iscroll-zoom"), require("hammer"));
 33 | 	} else {
 34 | 		factory(root.jQuery, root.IScroll, root.Hammer);
 35 | 	}
 36 | 
 37 | }(this, function($, IScroll, Hammer) {
 38 | 
 39 | 	"use strict";
 40 | 
 41 | 	$.fn.photoClip = function(option) {
 42 | 		if(!window.FileReader) {
 43 | 			alert("您的浏览器不支持 HTML5 的 FileReader API， 因此无法初始化图片裁剪插件，请更换最新的浏览器！");
 44 | 			return;
 45 | 		}
 46 | 		var options = {
 47 | 			width: 200,
 48 | 			height: 200,
 49 | 			fileMinSize: 20,
 50 | 			defaultImg: "",
 51 | 			file: "",
 52 | 			ok: "",
 53 | 			outputType: "jpg",
 54 | 			strictSize: false,
 55 | 			loadStart: function() {},
 56 | 			loadProgress: function() {},
 57 | 			loadComplete: function() {},
 58 | 			loadError: function() {},
 59 | 			clipFinish: function() {},
 60 | 			formatError: function() {},
 61 | 			imgSizeMin: function() {},
 62 | 		}
 63 | 		var defaultOption = $.extend(options, option);
 64 | 
 65 | 		new photoClip(this, defaultOption);
 66 | 
 67 | 		return this;
 68 | 	}
 69 | 
 70 | 	function photoClip(container, option) {
 71 | 		var clipWidth = option.width,
 72 | 			clipHeight = option.height,
 73 | 			defaultImg = option.defaultImg,
 74 | 			file = option.file,
 75 | 			ok = option.ok,
 76 | 			fileMinSize = option.fileMinSize,
 77 | 			outputType = option.outputType || "image/jpeg",
 78 | 			strictSize = option.strictSize,
 79 | 			loadStart = option.loadStart,
 80 | 			loadComplete = option.loadComplete,
 81 | 			loadError = option.loadError,
 82 | 			clipFinish = option.clipFinish,
 83 | 			loadProgress = option.loadProgress,
 84 | 		    	imgSizeMin= option.imgSizeMin,
 85 | 			formatError = option.formatError;
 86 | 
 87 | 		if(outputType === "jpg") {
 88 | 			outputType = "image/jpeg";
 89 | 		} else if(outputType === "png") {
 90 | 			outputType = "image/png";
 91 | 		}
 92 | 
 93 | 		var $file = $(file);
 94 | 		if(!$file.length) return;
 95 | 
 96 | 		var $img,
 97 | 			imgWidth, imgHeight, //图片当前的宽高
 98 | 			imgLoaded; //图片是否已经加载完成
 99 | 		
100 | 		// 初始化时带图片
101 | 		if(defaultImg){
102 | 			createImg(defaultImg);
103 | 		}
104 | 			
105 | 		$file.change(function() {
106 | 			if(!this.files.length) return;
107 | 
108 | 			// 判断上传图片格式
109 | 			if(!/image\/\w+/.test(this.files[0].type)) {
110 | 				if($.isFunction(formatError)) {
111 | 					formatError();
112 | 				} else {
113 | 					alert("图片格式不正确，请选择正确格式的图片文件！");
114 | 				}
115 | 				return false;
116 | 			} else {
117 | 				var fileReader = new FileReader();
118 | 				fileReader.onprogress = function(e) {
119 | 					if($.isFunction(loadProgress)) {
120 | 						loadProgress((e.loaded / e.total * 100).toFixed());
121 | 					}
122 | 				};
123 | 				fileReader.onload = function(e) {
124 | 					var kbs = e.total / 1024;
125 | 					if(kbs > 1024) {
126 | 						// 图片大于1M，需要压缩
127 | 						var quality = 1024 / kbs;
128 | 						var $tempImg = $("<img>").hide();
129 | 						$tempImg.load(function() {
130 | 							// IOS 设备中，如果的照片是竖屏拍摄的，虽然实际在网页中显示出的方向也是垂直，但图片数据依然是以横屏方向展示
131 | 							var sourceWidth = this.naturalWidth; // 在没有加入文档前，jQuery无法获得正确宽高，但可以通过原生属性来读取
132 | 							var realityHeight = this.naturalHeight;
133 | 							$tempImg.appendTo(document.body);
134 | 							$tempImg.remove();
135 | 							$tempImg = null;
136 | 							var angleOffset = 0;
137 | 							if(sourceWidth == realityHeight) {
138 | 								angleOffset = 90;
139 | 							}
140 | 							// 将图片进行压缩
141 | 							var newDataURL = compressImg(this, quality, angleOffset, outputType);
142 | 							createImg(newDataURL);
143 | 						});
144 | 						$tempImg.attr("src", this.result);
145 | 					} else if(kbs < fileMinSize) {
146 | 						if($.isFunction(imgSizeMin)) {
147 | 							imgSizeMin(kbs);
148 | 						}
149 | 					} else {
150 | 						createImg(this.result);
151 | 					}
152 | 				};
153 | 				// 加载图片失败
154 | 				fileReader.onerror = function(e) {
155 | 					loadError.call(this, e);
156 | 				};
157 | 				fileReader.readAsDataURL(this.files[0]); // 读取文件内容
158 | 				loadStart.call(fileReader, this.files[0]); // 开始加载图片
159 | 			}
160 | 		});
161 | 
162 | 		$file.click(function() {
163 | 			this.value = "";
164 | 		});
165 | 
166 | 		var $container, // 容器，包含裁剪视图层和遮罩层
167 | 			$clipView, // 裁剪视图层，包含移动层
168 | 			$moveLayer, // 移动层，包含旋转层
169 | 			$rotateLayer, // 旋转层
170 | 			canvas, // 图片裁剪用到的画布
171 | 			myScroll, // 图片的scroll对象，包含图片的位置与缩放信息
172 | 			containerWidth,
173 | 			containerHeight;
174 | 
175 | 		init();
176 | 		initScroll();
177 | 		initEvent();
178 | 		initClip();
179 | 
180 | 		var $ok = $(ok);
181 | 		if($ok.length) {
182 | 			$ok.click(function() {
183 | 				clipImg();
184 | 			});
185 | 		}
186 | 
187 | 		var $win = $(window);
188 | 		resize();
189 | 		$win.resize(resize);
190 | 
191 | 		var atRotation, // 是否正在旋转中
192 | 			curX, // 旋转层的当前X坐标
193 | 			curY, // 旋转层的当前Y坐标
194 | 			curAngle; // 旋转层的当前角度
195 | 
196 | 		function imgLoad() {
197 | 			imgLoaded = true;
198 | 
199 | 			$rotateLayer.append(this);
200 | 
201 | 			hideAction.call(this, $img, function() {
202 | 				imgWidth = this.naturalWidth;
203 | 				imgHeight = this.naturalHeight;
204 | 			});
205 | 
206 | 			hideAction($moveLayer, function() {
207 | 				resetScroll();
208 | 			});
209 | 
210 | 			loadComplete.call(this, this.src);
211 | 		}
212 | 
213 | 		function initScroll() {
214 | 			var options = {
215 | 				zoom: true,
216 | 				scrollX: true,
217 | 				scrollY: true,
218 | 				freeScroll: true,
219 | 				mouseWheel: true,
220 | 				wheelAction: "zoom"
221 | 			}
222 | 			myScroll = new IScroll($clipView[0], options);
223 | 		}
224 | 
225 | 		function resetScroll() {
226 | 			curX = 0;
227 | 			curY = 0;
228 | 			curAngle = 0;
229 | 
230 | 			$rotateLayer.css({
231 | 				"width": imgWidth,
232 | 				"height": imgHeight
233 | 			});
234 | 			setTransform($rotateLayer, curX, curY, curAngle);
235 | 
236 | 			calculateScale(imgWidth, imgHeight);
237 | 			myScroll.zoom(myScroll.options.zoomStart);
238 | 			refreshScroll(imgWidth, imgHeight);
239 | 
240 | 			var posX = (clipWidth - imgWidth * myScroll.options.zoomStart) * .5,
241 | 				posY = (clipHeight - imgHeight * myScroll.options.zoomStart) * .5;
242 | 			myScroll.scrollTo(posX, posY);
243 | 		}
244 | 
245 | 		function refreshScroll(width, height) {
246 | 			$moveLayer.css({
247 | 				"width": width,
248 | 				"height": height
249 | 			});
250 | 			// 在移动设备上，尤其是Android设备，当为一个元素重置了宽高时
251 | 			// 该元素的offsetWidth/offsetHeight、clientWidth/clientHeight等属性并不会立即更新，导致相关的js程序出现错误
252 | 			// iscroll 在刷新方法中正是使用了 offsetWidth/offsetHeight 来获取scroller元素($moveLayer)的宽高
253 | 			// 因此需要手动将元素重新添加进文档，迫使浏览器强制更新元素的宽高
254 | 			$clipView.append($moveLayer);
255 | 			myScroll.refresh();
256 | 		}
257 | 
258 | 		function initEvent() {
259 | 			// 移动设备
260 | 			var is_mobile = !!navigator.userAgent.match(/mobile/i);
261 | 
262 | 			if(is_mobile) {
263 | 				var hammerManager = new Hammer($moveLayer[0]);
264 | 				hammerManager.add(new Hammer.Rotate());
265 | 
266 | 				var rotation, rotateDirection;
267 | 				hammerManager.on("rotatemove", function(e) {
268 | 					if(atRotation) return;
269 | 					rotation = e.rotation;
270 | 					if(rotation > 180) {
271 | 						rotation -= 360;
272 | 					} else if(rotation < -180) {
273 | 						rotation += 360;
274 | 					}
275 | 					rotateDirection = rotation > 0 ? 1 : rotation < 0 ? -1 : 0;
276 | 				});
277 | 				hammerManager.on("rotateend", function(e) {
278 | 					if(atRotation) return;
279 | 
280 | 					if(Math.abs(rotation) > 30) {
281 | 						if(rotateDirection == 1) {
282 | 							// 顺时针
283 | 							rotateCW(e.center);
284 | 						} else if(rotateDirection == -1) {
285 | 							// 逆时针
286 | 							rotateCCW(e.center);
287 | 						}
288 | 					}
289 | 				});
290 | 			} else {
291 | 				$moveLayer.on("dblclick", function(e) {
292 | 					rotateCW({
293 | 						x: e.clientX,
294 | 						y: e.clientY
295 | 					});
296 | 				});
297 | 			}
298 | 		}
299 | 
300 | 		function rotateCW(point) {
301 | 			rotateBy(90, point);
302 | 		}
303 | 
304 | 		function rotateCCW(point) {
305 | 			rotateBy(-90, point);
306 | 		}
307 | 
308 | 		function rotateBy(angle, point) {
309 | 			if(atRotation) return;
310 | 			atRotation = true;
311 | 
312 | 			var loacl;
313 | 			if(!point) {
314 | 				loacl = loaclToLoacl($moveLayer, $clipView, clipWidth * .5, clipHeight * .5);
315 | 			} else {
316 | 				loacl = globalToLoacl($moveLayer, point.x, point.y);
317 | 			}
318 | 			var origin = calculateOrigin(curAngle, loacl), // 旋转中使用的参考点坐标
319 | 				originX = origin.x,
320 | 				originY = origin.y,
321 | 
322 | 				// 旋转层以零位为参考点旋转到新角度后的位置，与以当前计算的参考点“从零度”旋转到新角度后的位置，之间的左上角偏移量
323 | 				offsetX = 0,
324 | 				offsetY = 0,
325 | 				// 移动层当前的位置（即旋转层旋转前的位置），与旋转层以当前计算的参考点从当前角度旋转到新角度后的位置，之间的左上角偏移量
326 | 				parentOffsetX = 0,
327 | 				parentOffsetY = 0,
328 | 
329 | 				newAngle = curAngle + angle,
330 | 
331 | 				curImgWidth, // 移动层的当前宽度
332 | 				curImgHeight; // 移动层的当前高度
333 | 
334 | 			if(newAngle == 90 || newAngle == -270) {
335 | 				offsetX = originX + originY;
336 | 				offsetY = originY - originX;
337 | 
338 | 				if(newAngle > curAngle) {
339 | 					parentOffsetX = imgHeight - originX - originY;
340 | 					parentOffsetY = originX - originY;
341 | 				} else if(newAngle < curAngle) {
342 | 					parentOffsetX = (imgHeight - originY) - (imgWidth - originX);
343 | 					parentOffsetY = originX + originY - imgHeight;
344 | 				}
345 | 
346 | 				curImgWidth = imgHeight;
347 | 				curImgHeight = imgWidth;
348 | 			} else if(newAngle == 180 || newAngle == -180) {
349 | 				offsetX = originX * 2;
350 | 				offsetY = originY * 2;
351 | 
352 | 				if(newAngle > curAngle) {
353 | 					parentOffsetX = (imgWidth - originX) - (imgHeight - originY);
354 | 					parentOffsetY = imgHeight - (originX + originY);
355 | 				} else if(newAngle < curAngle) {
356 | 					parentOffsetX = imgWidth - (originX + originY);
357 | 					parentOffsetY = (imgHeight - originY) - (imgWidth - originX);
358 | 				}
359 | 
360 | 				curImgWidth = imgWidth;
361 | 				curImgHeight = imgHeight;
362 | 			} else if(newAngle == 270 || newAngle == -90) {
363 | 				offsetX = originX - originY;
364 | 				offsetY = originX + originY;
365 | 
366 | 				if(newAngle > curAngle) {
367 | 					parentOffsetX = originX + originY - imgWidth;
368 | 					parentOffsetY = (imgWidth - originX) - (imgHeight - originY);
369 | 				} else if(newAngle < curAngle) {
370 | 					parentOffsetX = originY - originX;
371 | 					parentOffsetY = imgWidth - originX - originY;
372 | 				}
373 | 
374 | 				curImgWidth = imgHeight;
375 | 				curImgHeight = imgWidth;
376 | 			} else if(newAngle == 0 || newAngle == 360 || newAngle == -360) {
377 | 				offsetX = 0;
378 | 				offsetY = 0;
379 | 
380 | 				if(newAngle > curAngle) {
381 | 					parentOffsetX = originX - originY;
382 | 					parentOffsetY = originX + originY - imgWidth;
383 | 				} else if(newAngle < curAngle) {
384 | 					parentOffsetX = originX + originY - imgHeight;
385 | 					parentOffsetY = originY - originX;
386 | 				}
387 | 
388 | 				curImgWidth = imgWidth;
389 | 				curImgHeight = imgHeight;
390 | 			}
391 | 
392 | 			// 将触摸点设为旋转时的参考点
393 | 			// 改变参考点的同时，要计算坐标的偏移，从而保证图片位置不发生变化
394 | 			if(curAngle == 0) {
395 | 				curX = 0;
396 | 				curY = 0;
397 | 			} else if(curAngle == 90 || curAngle == -270) {
398 | 				curX -= originX + originY;
399 | 				curY -= originY - originX;
400 | 			} else if(curAngle == 180 || curAngle == -180) {
401 | 				curX -= originX * 2;
402 | 				curY -= originY * 2;
403 | 			} else if(curAngle == 270 || curAngle == -90) {
404 | 				curX -= originX - originY;
405 | 				curY -= originX + originY;
406 | 			}
407 | 			curX = curX.toFixed(2) - 0;
408 | 			curY = curY.toFixed(2) - 0;
409 | 			setTransform($rotateLayer, curX, curY, curAngle, originX, originY);
410 | 
411 | 			// 开始旋转
412 | 			setTransition($rotateLayer, curX, curY, newAngle, 200, function() {
413 | 				atRotation = false;
414 | 				curAngle = newAngle % 360;
415 | 				// 旋转完成后将参考点设回零位
416 | 				// 同时加上偏移，保证图片位置看上去没有变化
417 | 				// 这里要另外要加上父容器（移动层）零位与自身之间的偏移量
418 | 				curX += offsetX + parentOffsetX;
419 | 				curY += offsetY + parentOffsetY;
420 | 				curX = curX.toFixed(2) - 0;
421 | 				curY = curY.toFixed(2) - 0;
422 | 				setTransform($rotateLayer, curX, curY, curAngle);
423 | 				// 相应的父容器（移动层）要减去与旋转层之间的偏移量
424 | 				// 这样看上去就好像图片没有移动
425 | 				myScroll.scrollTo(
426 | 					myScroll.x - parentOffsetX * myScroll.scale,
427 | 					myScroll.y - parentOffsetY * myScroll.scale
428 | 				);
429 | 				calculateScale(curImgWidth, curImgHeight);
430 | 				if(myScroll.scale < myScroll.options.zoomMin) {
431 | 					myScroll.zoom(myScroll.options.zoomMin);
432 | 				}
433 | 
434 | 				refreshScroll(curImgWidth, curImgHeight);
435 | 			});
436 | 		}
437 | 
438 | 		function initClip() {
439 | 			canvas = document.createElement("canvas");
440 | 			canvas.width = clipWidth;
441 | 			canvas.height = clipHeight;
442 | 		}
443 | 
444 | 		function clipImg() {
445 | 			if(!imgLoaded) {
446 | 				//alert("亲，当前没有图片可以裁剪!");
447 | 				return;
448 | 			}
449 | 			var local = loaclToLoacl($moveLayer, $clipView);
450 | 			var scale = myScroll.scale;
451 | 			var ctx = canvas.getContext("2d");
452 | 			ctx.clearRect(0, 0, canvas.width, canvas.height);
453 | 			ctx.save();
454 | 
455 | 			if(strictSize) {
456 | 				ctx.scale(scale, scale);
457 | 			} else {
458 | 				canvas.width = clipWidth / scale;
459 | 				canvas.height = clipHeight / scale;
460 | 			}
461 | 
462 | 			ctx.translate(curX - local.x / scale, curY - local.y / scale);
463 | 			ctx.rotate(curAngle * Math.PI / 180);
464 | 
465 | 			ctx.drawImage($img[0], 0, 0);
466 | 			ctx.restore();
467 | 
468 | 			var dataURL = canvas.toDataURL(outputType, 1);
469 | 			clipFinish.call($img[0], dataURL);
470 | 		}
471 | 
472 | 		function resize() {
473 | 			hideAction($container, function() {
474 | 				containerWidth = $container.width();
475 | 				containerHeight = $container.height();
476 | 			});
477 | 		}
478 | 
479 | 		function loaclToLoacl($layerOne, $layerTwo, x, y) { // 计算$layerTwo上的x、y坐标在$layerOne上的坐标
480 | 			x = x || 0;
481 | 			y = y || 0;
482 | 			var layerOneOffset, layerTwoOffset;
483 | 			hideAction($layerOne, function() {
484 | 				layerOneOffset = $layerOne.offset();
485 | 			});
486 | 			hideAction($layerTwo, function() {
487 | 				layerTwoOffset = $layerTwo.offset();
488 | 			});
489 | 			return {
490 | 				x: layerTwoOffset.left - layerOneOffset.left + x,
491 | 				y: layerTwoOffset.top - layerOneOffset.top + y
492 | 			};
493 | 		}
494 | 
495 | 		function globalToLoacl($layer, x, y) { // 计算相对于窗口的x、y坐标在$layer上的坐标
496 | 			x = x || 0;
497 | 			y = y || 0;
498 | 			var layerOffset;
499 | 			hideAction($layer, function() {
500 | 				layerOffset = $layer.offset();
501 | 			});
502 | 			return {
503 | 				x: x + $win.scrollLeft() - layerOffset.left,
504 | 				y: y + $win.scrollTop() - layerOffset.top
505 | 			};
506 | 		}
507 | 
508 | 		function hideAction(jq, func) {
509 | 			var $hide = $();
510 | 			$.each(jq, function(i, n) {
511 | 				var $n = $(n);
512 | 				var $hidden = $n.parents().andSelf().filter(":hidden");
513 | 				var $none;
514 | 				for(var i = 0; i < $hidden.length; i++) {
515 | 					if(!$n.is(":hidden")) break;
516 | 					$none = $hidden.eq(i);
517 | 					if($none.css("display") == "none") $hide = $hide.add($none.show());
518 | 				}
519 | 			});
520 | 			if(typeof(func) == "function") func.call(this);
521 | 			$hide.hide();
522 | 		}
523 | 
524 | 		function calculateOrigin(curAngle, point) {
525 | 			var scale = myScroll.scale;
526 | 			var origin = {};
527 | 			if(curAngle == 0) {
528 | 				origin.x = point.x / scale;
529 | 				origin.y = point.y / scale;
530 | 			} else if(curAngle == 90 || curAngle == -270) {
531 | 				origin.x = point.y / scale;
532 | 				origin.y = imgHeight - point.x / scale;
533 | 			} else if(curAngle == 180 || curAngle == -180) {
534 | 				origin.x = imgWidth - point.x / scale;
535 | 				origin.y = imgHeight - point.y / scale;
536 | 			} else if(curAngle == 270 || curAngle == -90) {
537 | 				origin.x = imgWidth - point.y / scale;
538 | 				origin.y = point.x / scale;
539 | 			}
540 | 			return origin;
541 | 		}
542 | 
543 | 		function getScale(w1, h1, w2, h2) {
544 | 			var sx = w1 / w2;
545 | 			var sy = h1 / h2;
546 | 			return sx > sy ? sx : sy;
547 | 		}
548 | 
549 | 		function calculateScale(width, height) {
550 | 			myScroll.options.zoomMin = getScale(clipWidth, clipHeight, width, height);
551 | 			myScroll.options.zoomMax = Math.max(1, myScroll.options.zoomMin);
552 | 			myScroll.options.zoomStart = Math.min(myScroll.options.zoomMax, getScale(containerWidth, containerHeight, width, height));
553 | 		}
554 | 
555 | 		function compressImg(sourceImgObj, quality, angleOffset, outputFormat) {
556 | 			quality = quality || .8;
557 | 			angleOffset = angleOffset || 0;
558 | 			var mimeType = outputFormat || "image/jpeg";
559 | 
560 | 			var drawWidth = sourceImgObj.naturalWidth,
561 | 				drawHeight = sourceImgObj.naturalHeight;
562 | 			// IOS 设备上 canvas 宽或高如果大于 1024，就有可能导致应用崩溃闪退
563 | 			// 因此这里需要缩放
564 | 			var maxSide = Math.max(drawWidth, drawHeight);
565 | 			if(maxSide > 1024) {
566 | 				var minSide = Math.min(drawWidth, drawHeight);
567 | 				minSide = minSide / maxSide * 1024;
568 | 				maxSide = 1024;
569 | 				if(drawWidth > drawHeight) {
570 | 					drawWidth = maxSide;
571 | 					drawHeight = minSide;
572 | 				} else {
573 | 					drawWidth = minSide;
574 | 					drawHeight = maxSide;
575 | 				}
576 | 			}
577 | 
578 | 			var cvs = document.createElement('canvas');
579 | 			var ctx = cvs.getContext("2d");
580 | 			if(angleOffset) {
581 | 				cvs.width = drawHeight;
582 | 				cvs.height = drawWidth;
583 | 				ctx.translate(drawHeight, 0);
584 | 				ctx.rotate(angleOffset * Math.PI / 180);
585 | 			} else {
586 | 				cvs.width = drawWidth;
587 | 				cvs.height = drawHeight;
588 | 			}
589 | 
590 | 			ctx.drawImage(sourceImgObj, 0, 0, drawWidth, drawHeight);
591 | 			var newImageData = cvs.toDataURL(mimeType, quality || .8);
592 | 			return newImageData;
593 | 		}
594 | 
595 | 		function createImg(src) {
596 | 			if($img && 　$img.length) {
597 | 				// 删除旧的图片以释放内存，防止IOS设备的webview崩溃
598 | 				$img.remove();
599 | 				delete $img[0];
600 | 			}
601 | 			$img = $("<img>").css({
602 | 				"user-select": "none",
603 | 				"pointer-events": "none"
604 | 			});
605 | 			$img.load(imgLoad);
606 | 			$img.attr("src", src); // 设置图片base64值
607 | 		}
608 | 
609 | 		function setTransform($obj, x, y, angle, originX, originY) {
610 | 			originX = originX || 0;
611 | 			originY = originY || 0;
612 | 			var style = {};
613 | 			style[prefix + "transform"] = "translateZ(0) translate(" + x + "px," + y + "px) rotate(" + angle + "deg)";
614 | 			style[prefix + "transform-origin"] = originX + "px " + originY + "px";
615 | 			$obj.css(style);
616 | 		}
617 | 
618 | 		function setTransition($obj, x, y, angle, dur, fn) {
619 | 			// 这里需要先读取之前设置好的transform样式，强制浏览器将该样式值渲染到元素
620 | 			// 否则浏览器可能出于性能考虑，将暂缓样式渲染，等到之后所有样式设置完成后再统一渲染
621 | 			// 这样就会导致之前设置的位移也被应用到动画中
622 | 			$obj.css(prefix + "transform");
623 | 			$obj.css(prefix + "transition", prefix + "transform " + dur + "ms");
624 | 			$obj.one(transitionEnd, function() {
625 | 				$obj.css(prefix + "transition", "");
626 | 				fn.call(this);
627 | 			});
628 | 			$obj.css(prefix + "transform", "translateZ(0) translate(" + x + "px," + y + "px) rotate(" + angle + "deg)");
629 | 		}
630 | 
631 | 		function init() {
632 | 			// 初始化容器
633 | 			$container = $(container).css({
634 | 				"user-select": "none",
635 | 				"overflow": "hidden"
636 | 			});
637 | 			if($container.css("position") == "static") $container.css("position", "relative");
638 | 
639 | 			// 创建裁剪视图层
640 | 			$clipView = $("<div class='photo-clip-view'>").css({
641 | 				"position": "absolute",
642 | 				"left": "50%",
643 | 				"top": "50%",
644 | 				"width": clipWidth,
645 | 				"height": clipHeight,
646 | 				"margin-left": -clipWidth / 2,
647 | 				"margin-top": -clipHeight / 2
648 | 			}).appendTo($container);
649 | 
650 | 			$moveLayer = $("<div class='photo-clip-moveLayer'>").appendTo($clipView);
651 | 
652 | 			$rotateLayer = $("<div class='photo-clip-rotateLayer'>").appendTo($moveLayer);
653 | 
654 | 			// 创建遮罩
655 | 			var $mask = $("<div class='photo-clip-mask'>").css({
656 | 				"position": "absolute",
657 | 				"left": 0,
658 | 				"top": 0,
659 | 				"width": "100%",
660 | 				"height": "100%",
661 | 				"pointer-events": "none"
662 | 			}).appendTo($container);
663 | 			var $mask_left = $("<div class='photo-clip-mask-left'>").css({
664 | 				"position": "absolute",
665 | 				"left": 0,
666 | 				"right": "50%",
667 | 				"top": "50%",
668 | 				"bottom": "50%",
669 | 				"width": "auto",
670 | 				"height": clipHeight,
671 | 				"margin-right": clipWidth / 2,
672 | 				"margin-top": -clipHeight / 2,
673 | 				"margin-bottom": -clipHeight / 2,
674 | 				"background-color": "rgba(0,0,0,.5)"
675 | 			}).appendTo($mask);
676 | 			var $mask_right = $("<div class='photo-clip-mask-right'>").css({
677 | 				"position": "absolute",
678 | 				"left": "50%",
679 | 				"right": 0,
680 | 				"top": "50%",
681 | 				"bottom": "50%",
682 | 				"margin-left": clipWidth / 2,
683 | 				"margin-top": -clipHeight / 2,
684 | 				"margin-bottom": -clipHeight / 2,
685 | 				"background-color": "rgba(0,0,0,.5)"
686 | 			}).appendTo($mask);
687 | 			var $mask_top = $("<div class='photo-clip-mask-top'>").css({
688 | 				"position": "absolute",
689 | 				"left": 0,
690 | 				"right": 0,
691 | 				"top": 0,
692 | 				"bottom": "50%",
693 | 				"margin-bottom": clipHeight / 2,
694 | 				"background-color": "rgba(0,0,0,.5)"
695 | 			}).appendTo($mask);
696 | 			var $mask_bottom = $("<div class='photo-clip-mask-bottom'>").css({
697 | 				"position": "absolute",
698 | 				"left": 0,
699 | 				"right": 0,
700 | 				"top": "50%",
701 | 				"bottom": 0,
702 | 				"margin-top": clipHeight / 2,
703 | 				"background-color": "rgba(0,0,0,.5)"
704 | 			}).appendTo($mask);
705 | 			// 创建截取区域
706 | 			var $clip_area = $("<div class='photo-clip-area'>").css({
707 | 				"border": "1px dashed #ddd",
708 | 				"position": "absolute",
709 | 				"left": "50%",
710 | 				"top": "50%",
711 | 				"width": clipWidth,
712 | 				"height": clipHeight,
713 | 				"margin-left": -clipWidth / 2 - 1,
714 | 				"margin-top": -clipHeight / 2 - 1
715 | 			}).appendTo($mask);
716 | 
717 | 		}
718 | 	}
719 | 
720 | 	var prefix = '',
721 | 		transitionEnd;
722 | 
723 | 	(function() {
724 | 
725 | 		var eventPrefix,
726 | 			vendors = {
727 | 				Webkit: 'webkit',
728 | 				Moz: '',
729 | 				O: 'o'
730 | 			},
731 | 			testEl = document.documentElement,
732 | 			normalizeEvent = function(name) {
733 | 				return eventPrefix ? eventPrefix + name : name.toLowerCase()
734 | 			};
735 | 
736 | 		for(var i in vendors) {
737 | 			if(testEl.style[i + 'TransitionProperty'] !== undefined) {
738 | 				prefix = '-' + i.toLowerCase() + '-';
739 | 				eventPrefix = vendors[i];
740 | 				break;
741 | 			}
742 | 		}
743 | 
744 | 		transitionEnd = normalizeEvent('TransitionEnd');
745 | 
746 | 	})();
747 | 
748 | 	return $;
749 | }));
750 | 


--------------------------------------------------------------------------------
/dist/iscroll-zoom.min.js:
--------------------------------------------------------------------------------
1 | !function(a,b,c){function f(a,d){this.wrapper="string"==typeof a?b.querySelector(a):a,this.scroller=this.wrapper.children[0],this.scrollerStyle=this.scroller.style,this.options={zoomMin:1,zoomMax:4,zoomStart:1,resizeScrollbars:!0,mouseWheelSpeed:20,snapThreshold:.334,startX:0,startY:0,scrollY:!0,directionLockThreshold:5,momentum:!0,bounce:!0,bounceTime:600,bounceEasing:"",preventDefault:!0,preventDefaultException:{tagName:/^(INPUT|TEXTAREA|BUTTON|SELECT)$/},HWCompositing:!0,useTransition:!0,useTransform:!0};for(var f in d)this.options[f]=d[f];this.translateZ=this.options.HWCompositing&&e.hasPerspective?" translateZ(0)":"",this.options.useTransition=e.hasTransition&&this.options.useTransition,this.options.useTransform=e.hasTransform&&this.options.useTransform,this.options.eventPassthrough=this.options.eventPassthrough===!0?"vertical":this.options.eventPassthrough,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollY="vertical"==this.options.eventPassthrough?!1:this.options.scrollY,this.options.scrollX="horizontal"==this.options.eventPassthrough?!1:this.options.scrollX,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,this.options.bounceEasing="string"==typeof this.options.bounceEasing?e.ease[this.options.bounceEasing]||e.ease.circular:this.options.bounceEasing,this.options.resizePolling=void 0===this.options.resizePolling?60:this.options.resizePolling,this.options.tap===!0&&(this.options.tap="tap"),"scale"==this.options.shrinkScrollbars&&(this.options.useTransition=!1),this.options.invertWheelDirection=this.options.invertWheelDirection?-1:1,this.x=0,this.y=0,this.directionX=0,this.directionY=0,this._events={},this.scale=c.min(c.max(this.options.zoomStart,this.options.zoomMin),this.options.zoomMax),this._init(),this.refresh(),this.scrollTo(this.options.startX,this.options.startY),this.enable()}function g(a,c,d){var e=b.createElement("div"),f=b.createElement("div");return d===!0&&(e.style.cssText="position:absolute;z-index:9999",f.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px"),f.className="iScrollIndicator","h"==a?(d===!0&&(e.style.cssText+=";height:7px;left:2px;right:2px;bottom:0",f.style.height="100%"),e.className="iScrollHorizontalScrollbar"):(d===!0&&(e.style.cssText+=";width:7px;bottom:2px;top:2px;right:1px",f.style.width="100%"),e.className="iScrollVerticalScrollbar"),e.style.cssText+=";overflow:hidden",c||(e.style.pointerEvents="none"),e.appendChild(f),e}function h(c,d){this.wrapper="string"==typeof d.el?b.querySelector(d.el):d.el,this.wrapperStyle=this.wrapper.style,this.indicator=this.wrapper.children[0],this.indicatorStyle=this.indicator.style,this.scroller=c,this.options={listenX:!0,listenY:!0,interactive:!1,resize:!0,defaultScrollbars:!1,shrink:!1,fade:!1,speedRatioX:0,speedRatioY:0};for(var f in d)this.options[f]=d[f];this.sizeRatioX=1,this.sizeRatioY=1,this.maxPosX=0,this.maxPosY=0,this.options.interactive&&(this.options.disableTouch||(e.addEvent(this.indicator,"touchstart",this),e.addEvent(a,"touchend",this)),this.options.disablePointer||(e.addEvent(this.indicator,e.prefixPointerEvent("pointerdown"),this),e.addEvent(a,e.prefixPointerEvent("pointerup"),this)),this.options.disableMouse||(e.addEvent(this.indicator,"mousedown",this),e.addEvent(a,"mouseup",this))),this.options.fade&&(this.wrapperStyle[e.style.transform]=this.scroller.translateZ,this.wrapperStyle[e.style.transitionDuration]=e.isBadAndroid?"0.001s":"0ms",this.wrapperStyle.opacity="0")}var d=a.requestAnimationFrame||a.webkitRequestAnimationFrame||a.mozRequestAnimationFrame||a.oRequestAnimationFrame||a.msRequestAnimationFrame||function(b){a.setTimeout(b,1e3/60)},e=function(){function g(a){return f===!1?!1:""===f?a:f+a.charAt(0).toUpperCase()+a.substr(1)}var h,d={},e=b.createElement("div").style,f=function(){for(var b,a=["t","webkitT","MozT","msT","OT"],c=0,d=a.length;d>c;c++)if(b=a[c]+"ransform",b in e)return a[c].substr(0,a[c].length-1);return!1}();return d.getTime=Date.now||function(){return(new Date).getTime()},d.extend=function(a,b){for(var c in b)a[c]=b[c]},d.addEvent=function(a,b,c,d){a.addEventListener(b,c,!!d)},d.removeEvent=function(a,b,c,d){a.removeEventListener(b,c,!!d)},d.prefixPointerEvent=function(b){return a.MSPointerEvent?"MSPointer"+b.charAt(9).toUpperCase()+b.substr(10):b},d.momentum=function(a,b,d,e,f,g){var j,k,h=a-b,i=c.abs(h)/d;return g=void 0===g?6e-4:g,j=a+i*i/(2*g)*(0>h?-1:1),k=i/g,e>j?(j=f?e-f/2.5*(i/8):e,h=c.abs(j-a),k=h/i):j>0&&(j=f?f/2.5*(i/8):0,h=c.abs(a)+j,k=h/i),{destination:c.round(j),duration:k}},h=g("transform"),d.extend(d,{hasTransform:h!==!1,hasPerspective:g("perspective")in e,hasTouch:"ontouchstart"in a,hasPointer:a.PointerEvent||a.MSPointerEvent,hasTransition:g("transition")in e}),d.isBadAndroid=/Android /.test(a.navigator.appVersion)&&!/Chrome\/\d/.test(a.navigator.appVersion),d.extend(d.style={},{transform:h,transitionTimingFunction:g("transitionTimingFunction"),transitionDuration:g("transitionDuration"),transitionDelay:g("transitionDelay"),transformOrigin:g("transformOrigin")}),d.hasClass=function(a,b){var c=new RegExp("(^|\\s)"+b+"(\\s|$)");return c.test(a.className)},d.addClass=function(a,b){if(!d.hasClass(a,b)){var c=a.className.split(" ");c.push(b),a.className=c.join(" ")}},d.removeClass=function(a,b){if(d.hasClass(a,b)){var c=new RegExp("(^|\\s)"+b+"(\\s|$)","g");a.className=a.className.replace(c," ")}},d.offset=function(a){for(var b=-a.offsetLeft,c=-a.offsetTop;a=a.offsetParent;)b-=a.offsetLeft,c-=a.offsetTop;return{left:b,top:c}},d.preventDefaultException=function(a,b){for(var c in b)if(b[c].test(a[c]))return!0;return!1},d.extend(d.eventType={},{touchstart:1,touchmove:1,touchend:1,mousedown:2,mousemove:2,mouseup:2,pointerdown:3,pointermove:3,pointerup:3,MSPointerDown:3,MSPointerMove:3,MSPointerUp:3}),d.extend(d.ease={},{quadratic:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(a){return a*(2-a)}},circular:{style:"cubic-bezier(0.1, 0.57, 0.1, 1)",fn:function(a){return c.sqrt(1- --a*a)}},back:{style:"cubic-bezier(0.175, 0.885, 0.32, 1.275)",fn:function(a){var b=4;return(a-=1)*a*((b+1)*a+b)+1}},bounce:{style:"",fn:function(a){return(a/=1)<1/2.75?7.5625*a*a:2/2.75>a?7.5625*(a-=1.5/2.75)*a+.75:2.5/2.75>a?7.5625*(a-=2.25/2.75)*a+.9375:7.5625*(a-=2.625/2.75)*a+.984375}},elastic:{style:"",fn:function(a){var b=.22,d=.4;return 0===a?0:1==a?1:d*c.pow(2,-10*a)*c.sin((a-b/4)*2*c.PI/b)+1}}}),d.tap=function(a,c){var d=b.createEvent("Event");d.initEvent(c,!0,!0),d.pageX=a.pageX,d.pageY=a.pageY,a.target.dispatchEvent(d)},d.click=function(a){var d,c=a.target;/(SELECT|INPUT|TEXTAREA)/i.test(c.tagName)||(d=b.createEvent("MouseEvents"),d.initMouseEvent("click",!0,!0,a.view,1,c.screenX,c.screenY,c.clientX,c.clientY,a.ctrlKey,a.altKey,a.shiftKey,a.metaKey,0,null),d._constructed=!0,c.dispatchEvent(d))},d}();f.prototype={version:"5.1.3",_init:function(){this._initEvents(),this.options.zoom&&this._initZoom(),(this.options.scrollbars||this.options.indicators)&&this._initIndicators(),this.options.mouseWheel&&this._initWheel(),this.options.snap&&this._initSnap(),this.options.keyBindings&&this._initKeys()},destroy:function(){this._initEvents(!0),this._execEvent("destroy")},_transitionEnd:function(a){a.target==this.scroller&&this.isInTransition&&(this._transitionTime(),this.resetPosition(this.options.bounceTime)||(this.isInTransition=!1,this._execEvent("scrollEnd")))},_start:function(a){if(!(1!=e.eventType[a.type]&&0!==a.button||!this.enabled||this.initiated&&e.eventType[a.type]!==this.initiated)){!this.options.preventDefault||e.isBadAndroid||e.preventDefaultException(a.target,this.options.preventDefaultException)||a.preventDefault();var d,b=a.touches?a.touches[0]:a;this.initiated=e.eventType[a.type],this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.directionLocked=0,this._transitionTime(),this.startTime=e.getTime(),this.options.useTransition&&this.isInTransition?(this.isInTransition=!1,d=this.getComputedPosition(),this._translate(c.round(d.x),c.round(d.y)),this._execEvent("scrollEnd")):!this.options.useTransition&&this.isAnimating&&(this.isAnimating=!1,this._execEvent("scrollEnd")),this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=b.pageX,this.pointY=b.pageY,this._execEvent("beforeScrollStart")}},_move:function(a){if(this.enabled&&e.eventType[a.type]===this.initiated){this.options.preventDefault&&a.preventDefault();var h,i,j,k,b=a.touches?a.touches[0]:a,d=b.pageX-this.pointX,f=b.pageY-this.pointY,g=e.getTime();if(this.pointX=b.pageX,this.pointY=b.pageY,this.distX+=d,this.distY+=f,j=c.abs(this.distX),k=c.abs(this.distY),!(g-this.endTime>300&&10>j&&10>k)){if(this.directionLocked||this.options.freeScroll||(this.directionLocked=j>k+this.options.directionLockThreshold?"h":k>=j+this.options.directionLockThreshold?"v":"n"),"h"==this.directionLocked){if("vertical"==this.options.eventPassthrough)a.preventDefault();else if("horizontal"==this.options.eventPassthrough)return this.initiated=!1,void 0;f=0}else if("v"==this.directionLocked){if("horizontal"==this.options.eventPassthrough)a.preventDefault();else if("vertical"==this.options.eventPassthrough)return this.initiated=!1,void 0;d=0}d=this.hasHorizontalScroll?d:0,f=this.hasVerticalScroll?f:0,h=this.x+d,i=this.y+f,(h>0||h<this.maxScrollX)&&(h=this.options.bounce?this.x+d/3:h>0?0:this.maxScrollX),(i>0||i<this.maxScrollY)&&(i=this.options.bounce?this.y+f/3:i>0?0:this.maxScrollY),this.directionX=d>0?-1:0>d?1:0,this.directionY=f>0?-1:0>f?1:0,this.moved||this._execEvent("scrollStart"),this.moved=!0,this._translate(h,i),g-this.startTime>300&&(this.startTime=g,this.startX=this.x,this.startY=this.y)}}},_end:function(a){var d,f,g,h,i,j,k,l,m,n;if(this.enabled&&e.eventType[a.type]===this.initiated&&(this.options.preventDefault&&!e.preventDefaultException(a.target,this.options.preventDefaultException)&&a.preventDefault(),a.changedTouches?a.changedTouches[0]:a,g=e.getTime()-this.startTime,h=c.round(this.x),i=c.round(this.y),j=c.abs(h-this.startX),k=c.abs(i-this.startY),l=0,m="",this.isInTransition=0,this.initiated=0,this.endTime=e.getTime(),!this.resetPosition(this.options.bounceTime)))return this.scrollTo(h,i),this.moved?this._events.flick&&200>g&&100>j&&100>k?(this._execEvent("flick"),void 0):(this.options.momentum&&300>g&&(d=this.hasHorizontalScroll?e.momentum(this.x,this.startX,g,this.maxScrollX,this.options.bounce?this.wrapperWidth:0,this.options.deceleration):{destination:h,duration:0},f=this.hasVerticalScroll?e.momentum(this.y,this.startY,g,this.maxScrollY,this.options.bounce?this.wrapperHeight:0,this.options.deceleration):{destination:i,duration:0},h=d.destination,i=f.destination,l=c.max(d.duration,f.duration),this.isInTransition=1),this.options.snap&&(n=this._nearestSnap(h,i),this.currentPage=n,l=this.options.snapSpeed||c.max(c.max(c.min(c.abs(h-n.x),1e3),c.min(c.abs(i-n.y),1e3)),300),h=n.x,i=n.y,this.directionX=0,this.directionY=0,m=this.options.bounceEasing),h!=this.x||i!=this.y?((h>0||h<this.maxScrollX||i>0||i<this.maxScrollY)&&(m=e.ease.quadratic),this.scrollTo(h,i,l,m),void 0):(this._execEvent("scrollEnd"),void 0)):(this.options.tap&&e.tap(a,this.options.tap),this.options.click&&e.click(a),this._execEvent("scrollCancel"),void 0)},_resize:function(){var a=this;clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){a.refresh()},this.options.resizePolling)},resetPosition:function(a){var b=this.x,c=this.y;return a=a||0,!this.hasHorizontalScroll||this.x>0?b=0:this.x<this.maxScrollX&&(b=this.maxScrollX),!this.hasVerticalScroll||this.y>0?c=0:this.y<this.maxScrollY&&(c=this.maxScrollY),b==this.x&&c==this.y?!1:(this.scrollTo(b,c,a,this.options.bounceEasing),!0)},disable:function(){this.enabled=!1},enable:function(){this.enabled=!0},refresh:function(){this.wrapper.offsetHeight,this.wrapperWidth=this.wrapper.clientWidth,this.wrapperHeight=this.wrapper.clientHeight,this.scrollerWidth=c.round(this.scroller.offsetWidth*this.scale),this.scrollerHeight=c.round(this.scroller.offsetHeight*this.scale),this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.maxScrollY=this.wrapperHeight-this.scrollerHeight,this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<0,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<0,this.hasHorizontalScroll||(this.maxScrollX=0,this.scrollerWidth=this.wrapperWidth),this.hasVerticalScroll||(this.maxScrollY=0,this.scrollerHeight=this.wrapperHeight),this.endTime=0,this.directionX=0,this.directionY=0,this.wrapperOffset=e.offset(this.wrapper),this._execEvent("refresh"),this.resetPosition(this.options.bounceTime)},on:function(a,b){this._events[a]||(this._events[a]=[]),this._events[a].push(b)},off:function(a,b){if(this._events[a]){var c=this._events[a].indexOf(b);c>-1&&this._events[a].splice(c,1)}},_execEvent:function(a){if(this._events[a]){var b=0,c=this._events[a].length;if(c)for(;c>b;b++)this._events[a][b].apply(this,[].slice.call(arguments,1))}},scrollBy:function(a,b,c,d){a=this.x+a,b=this.y+b,c=c||0,this.scrollTo(a,b,c,d)},scrollTo:function(a,b,c,d){d=d||e.ease.circular,this.isInTransition=this.options.useTransition&&c>0,!c||this.options.useTransition&&d.style?(this._transitionTimingFunction(d.style),this._transitionTime(c),this._translate(a,b)):this._animate(a,b,c,d.fn)},scrollToElement:function(a,b,d,f,g){if(a=a.nodeType?a:this.scroller.querySelector(a)){var h=e.offset(a);h.left-=this.wrapperOffset.left,h.top-=this.wrapperOffset.top,d===!0&&(d=c.round(a.offsetWidth/2-this.wrapper.offsetWidth/2)),f===!0&&(f=c.round(a.offsetHeight/2-this.wrapper.offsetHeight/2)),h.left-=d||0,h.top-=f||0,h.left=h.left>0?0:h.left<this.maxScrollX?this.maxScrollX:h.left,h.top=h.top>0?0:h.top<this.maxScrollY?this.maxScrollY:h.top,b=void 0===b||null===b||"auto"===b?c.max(c.abs(this.x-h.left),c.abs(this.y-h.top)):b,this.scrollTo(h.left,h.top,b,g)}},_transitionTime:function(a){if(a=a||0,this.scrollerStyle[e.style.transitionDuration]=a+"ms",!a&&e.isBadAndroid&&(this.scrollerStyle[e.style.transitionDuration]="0.001s"),this.indicators)for(var b=this.indicators.length;b--;)this.indicators[b].transitionTime(a)},_transitionTimingFunction:function(a){if(this.scrollerStyle[e.style.transitionTimingFunction]=a,this.indicators)for(var b=this.indicators.length;b--;)this.indicators[b].transitionTimingFunction(a)},_translate:function(a,b){if(this.options.useTransform?this.scrollerStyle[e.style.transform]="translate("+a+"px,"+b+"px) scale("+this.scale+") "+this.translateZ:(a=c.round(a),b=c.round(b),this.scrollerStyle.left=a+"px",this.scrollerStyle.top=b+"px"),this.x=a,this.y=b,this.indicators)for(var d=this.indicators.length;d--;)this.indicators[d].updatePosition()},_initEvents:function(b){var c=b?e.removeEvent:e.addEvent,d=this.options.bindToWrapper?this.wrapper:a;c(a,"orientationchange",this),c(a,"resize",this),this.options.click&&c(this.wrapper,"click",this,!0),this.options.disableMouse||(c(this.wrapper,"mousedown",this),c(d,"mousemove",this),c(d,"mousecancel",this),c(d,"mouseup",this)),e.hasPointer&&!this.options.disablePointer&&(c(this.wrapper,e.prefixPointerEvent("pointerdown"),this),c(d,e.prefixPointerEvent("pointermove"),this),c(d,e.prefixPointerEvent("pointercancel"),this),c(d,e.prefixPointerEvent("pointerup"),this)),e.hasTouch&&!this.options.disableTouch&&(c(this.wrapper,"touchstart",this),c(d,"touchmove",this),c(d,"touchcancel",this),c(d,"touchend",this)),c(this.scroller,"transitionend",this),c(this.scroller,"webkitTransitionEnd",this),c(this.scroller,"oTransitionEnd",this),c(this.scroller,"MSTransitionEnd",this)},getComputedPosition:function(){var c,d,b=a.getComputedStyle(this.scroller,null);return this.options.useTransform?(b=b[e.style.transform].split(")")[0].split(", "),c=+(b[12]||b[4]),d=+(b[13]||b[5])):(c=+b.left.replace(/[^-\d.]/g,""),d=+b.top.replace(/[^-\d.]/g,"")),{x:c,y:d}},_initIndicators:function(){function i(a){for(var b=e.indicators.length;b--;)a.call(e.indicators[b])}var d,f,a=this.options.interactiveScrollbars,b="string"!=typeof this.options.scrollbars,c=[],e=this;for(this.indicators=[],this.options.scrollbars&&(this.options.scrollY&&(d={el:g("v",a,this.options.scrollbars),interactive:a,defaultScrollbars:!0,customStyle:b,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,fade:this.options.fadeScrollbars,listenX:!1},this.wrapper.appendChild(d.el),c.push(d)),this.options.scrollX&&(d={el:g("h",a,this.options.scrollbars),interactive:a,defaultScrollbars:!0,customStyle:b,resize:this.options.resizeScrollbars,shrink:this.options.shrinkScrollbars,fade:this.options.fadeScrollbars,listenY:!1},this.wrapper.appendChild(d.el),c.push(d))),this.options.indicators&&(c=c.concat(this.options.indicators)),f=c.length;f--;)this.indicators.push(new h(this,c[f]));this.options.fadeScrollbars&&(this.on("scrollEnd",function(){i(function(){this.fade()})}),this.on("scrollCancel",function(){i(function(){this.fade()})}),this.on("scrollStart",function(){i(function(){this.fade(1)})}),this.on("beforeScrollStart",function(){i(function(){this.fade(1,!0)})})),this.on("refresh",function(){i(function(){this.refresh()})}),this.on("destroy",function(){i(function(){this.destroy()}),delete this.indicators})},_initZoom:function(){this.scrollerStyle[e.style.transformOrigin]="0 0"},_zoomStart:function(a){var b=c.abs(a.touches[0].pageX-a.touches[1].pageX),d=c.abs(a.touches[0].pageY-a.touches[1].pageY);this.touchesDistanceStart=c.sqrt(b*b+d*d),this.startScale=this.scale,this.originX=c.abs(a.touches[0].pageX+a.touches[1].pageX)/2+this.wrapperOffset.left-this.x,this.originY=c.abs(a.touches[0].pageY+a.touches[1].pageY)/2+this.wrapperOffset.top-this.y,this._execEvent("zoomStart")},_zoom:function(a){if(this.enabled&&e.eventType[a.type]===this.initiated){this.options.preventDefault&&a.preventDefault();var h,i,j,b=c.abs(a.touches[0].pageX-a.touches[1].pageX),d=c.abs(a.touches[0].pageY-a.touches[1].pageY),f=c.sqrt(b*b+d*d),g=1/this.touchesDistanceStart*f*this.startScale;this.scaled=!0,g<this.options.zoomMin?g=.5*this.options.zoomMin*c.pow(2,g/this.options.zoomMin):g>this.options.zoomMax&&(g=2*this.options.zoomMax*c.pow(.5,this.options.zoomMax/g)),h=g/this.startScale,i=this.originX-this.originX*h+this.startX,j=this.originY-this.originY*h+this.startY,this.scale=g,this.scrollTo(i,j,0)}},_zoomEnd:function(a){if(this.enabled&&e.eventType[a.type]===this.initiated){this.options.preventDefault&&a.preventDefault();var b,c,d;this.isInTransition=0,this.initiated=0,this.scale>this.options.zoomMax?this.scale=this.options.zoomMax:this.scale<this.options.zoomMin&&(this.scale=this.options.zoomMin),this.refresh(),d=this.scale/this.startScale,b=this.originX-this.originX*d+this.startX,c=this.originY-this.originY*d+this.startY,b>0?b=0:b<this.maxScrollX&&(b=this.maxScrollX),c>0?c=0:c<this.maxScrollY&&(c=this.maxScrollY),this.scrollTo(b,c,this.options.bounceTime),this.scaled=!1,this._execEvent("zoomEnd")}},zoom:function(a,b,c,d){if(a<this.options.zoomMin?a=this.options.zoomMin:a>this.options.zoomMax&&(a=this.options.zoomMax),a!=this.scale){var e=a/this.scale;b=void 0===b?this.wrapperWidth/2-this.wrapperOffset.left:b,c=void 0===c?this.wrapperHeight/2-this.wrapperOffset.top:c,d=void 0===d?300:d,b=b+this.wrapperOffset.left-this.x,c=c+this.wrapperOffset.top-this.y,b=b-b*e+this.x,c=c-c*e+this.y,this.scale=a,this.refresh(),b>0?b=0:b<this.maxScrollX&&(b=this.maxScrollX),c>0?c=0:c<this.maxScrollY&&(c=this.maxScrollY),this.scrollTo(b,c,d)}},_wheelZoom:function(a){var b,d,e=this;if(clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){e._execEvent("zoomEnd")},400),"deltaY"in a)b=-a.deltaY/c.abs(a.deltaY);else if("wheelDeltaY"in a)b=a.wheelDeltaY/c.abs(a.wheelDeltaY);else if("wheelDelta"in a)b=a.wheelDelta/c.abs(a.wheelDelta);else{if(!("detail"in a))return;b=-a.detail/c.abs(a.detail)}isNaN(b)&&(b=0),d=this.scale+.01*b,this.zoom(d,a.pageX,a.pageY,0),a.preventDefault(),a.stopPropagation()},_initWheel:function(){e.addEvent(this.wrapper,"wheel",this),e.addEvent(this.wrapper,"mousewheel",this),e.addEvent(this.wrapper,"DOMMouseScroll",this),this.on("destroy",function(){e.removeEvent(this.wrapper,"wheel",this),e.removeEvent(this.wrapper,"mousewheel",this),e.removeEvent(this.wrapper,"DOMMouseScroll",this)})},_wheel:function(a){if(this.enabled){a.preventDefault(),a.stopPropagation();var b,d,e,f,g=this;if(void 0===this.wheelTimeout&&g._execEvent("scrollStart"),clearTimeout(this.wheelTimeout),this.wheelTimeout=setTimeout(function(){g._execEvent("scrollEnd"),g.wheelTimeout=void 0},400),"deltaX"in a)1===a.deltaMode?(b=-a.deltaX*this.options.mouseWheelSpeed,d=-a.deltaY*this.options.mouseWheelSpeed):(b=-a.deltaX,d=-a.deltaY);else if("wheelDeltaX"in a)b=a.wheelDeltaX/120*this.options.mouseWheelSpeed,d=a.wheelDeltaY/120*this.options.mouseWheelSpeed;else if("wheelDelta"in a)b=d=a.wheelDelta/120*this.options.mouseWheelSpeed;else{if(!("detail"in a))return;b=d=-a.detail/3*this.options.mouseWheelSpeed}if(b*=this.options.invertWheelDirection,d*=this.options.invertWheelDirection,this.hasVerticalScroll||(b=d,d=0),this.options.snap)return e=this.currentPage.pageX,f=this.currentPage.pageY,b>0?e--:0>b&&e++,d>0?f--:0>d&&f++,this.goToPage(e,f),void 0;e=this.x+c.round(this.hasHorizontalScroll?b:0),f=this.y+c.round(this.hasVerticalScroll?d:0),e>0?e=0:e<this.maxScrollX&&(e=this.maxScrollX),f>0?f=0:f<this.maxScrollY&&(f=this.maxScrollY),this.scrollTo(e,f,0)}},_initSnap:function(){this.currentPage={},"string"==typeof this.options.snap&&(this.options.snap=this.scroller.querySelectorAll(this.options.snap)),this.on("refresh",function(){var b,e,f,g,i,l,a=0,d=0,h=0,j=this.options.snapStepX||this.wrapperWidth,k=this.options.snapStepY||this.wrapperHeight;if(this.pages=[],this.wrapperWidth&&this.wrapperHeight&&this.scrollerWidth&&this.scrollerHeight){if(this.options.snap===!0)for(f=c.round(j/2),g=c.round(k/2);h>-this.scrollerWidth;){for(this.pages[a]=[],b=0,i=0;i>-this.scrollerHeight;)this.pages[a][b]={x:c.max(h,this.maxScrollX),y:c.max(i,this.maxScrollY),width:j,height:k,cx:h-f,cy:i-g},i-=k,b++;h-=j,a++}else for(l=this.options.snap,b=l.length,e=-1;b>a;a++)(0===a||l[a].offsetLeft<=l[a-1].offsetLeft)&&(d=0,e++),this.pages[d]||(this.pages[d]=[]),h=c.max(-l[a].offsetLeft,this.maxScrollX),i=c.max(-l[a].offsetTop,this.maxScrollY),f=h-c.round(l[a].offsetWidth/2),g=i-c.round(l[a].offsetHeight/2),this.pages[d][e]={x:h,y:i,width:l[a].offsetWidth,height:l[a].offsetHeight,cx:f,cy:g},h>this.maxScrollX&&d++;this.goToPage(this.currentPage.pageX||0,this.currentPage.pageY||0,0),0===this.options.snapThreshold%1?(this.snapThresholdX=this.options.snapThreshold,this.snapThresholdY=this.options.snapThreshold):(this.snapThresholdX=c.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width*this.options.snapThreshold),this.snapThresholdY=c.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height*this.options.snapThreshold))}}),this.on("flick",function(){var a=this.options.snapSpeed||c.max(c.max(c.min(c.abs(this.x-this.startX),1e3),c.min(c.abs(this.y-this.startY),1e3)),300);this.goToPage(this.currentPage.pageX+this.directionX,this.currentPage.pageY+this.directionY,a)})},_nearestSnap:function(a,b){if(!this.pages.length)return{x:0,y:0,pageX:0,pageY:0};var d=0,e=this.pages.length,f=0;if(c.abs(a-this.absStartX)<this.snapThresholdX&&c.abs(b-this.absStartY)<this.snapThresholdY)return this.currentPage;for(a>0?a=0:a<this.maxScrollX&&(a=this.maxScrollX),b>0?b=0:b<this.maxScrollY&&(b=this.maxScrollY);e>d;d++)if(a>=this.pages[d][0].cx){a=this.pages[d][0].x;break}for(e=this.pages[d].length;e>f;f++)if(b>=this.pages[0][f].cy){b=this.pages[0][f].y;break}return d==this.currentPage.pageX&&(d+=this.directionX,0>d?d=0:d>=this.pages.length&&(d=this.pages.length-1),a=this.pages[d][0].x),f==this.currentPage.pageY&&(f+=this.directionY,0>f?f=0:f>=this.pages[0].length&&(f=this.pages[0].length-1),b=this.pages[0][f].y),{x:a,y:b,pageX:d,pageY:f}},goToPage:function(a,b,d,e){e=e||this.options.bounceEasing,a>=this.pages.length?a=this.pages.length-1:0>a&&(a=0),b>=this.pages[a].length?b=this.pages[a].length-1:0>b&&(b=0);var f=this.pages[a][b].x,g=this.pages[a][b].y;d=void 0===d?this.options.snapSpeed||c.max(c.max(c.min(c.abs(f-this.x),1e3),c.min(c.abs(g-this.y),1e3)),300):d,this.currentPage={x:f,y:g,pageX:a,pageY:b},this.scrollTo(f,g,d,e)},next:function(a,b){var c=this.currentPage.pageX,d=this.currentPage.pageY;c++,c>=this.pages.length&&this.hasVerticalScroll&&(c=0,d++),this.goToPage(c,d,a,b)},prev:function(a,b){var c=this.currentPage.pageX,d=this.currentPage.pageY;c--,0>c&&this.hasVerticalScroll&&(c=0,d--),this.goToPage(c,d,a,b)},_initKeys:function(){var d,c={pageUp:33,pageDown:34,end:35,home:36,left:37,up:38,right:39,down:40};if("object"==typeof this.options.keyBindings)for(d in this.options.keyBindings)"string"==typeof this.options.keyBindings[d]&&(this.options.keyBindings[d]=this.options.keyBindings[d].toUpperCase().charCodeAt(0));else this.options.keyBindings={};for(d in c)this.options.keyBindings[d]=this.options.keyBindings[d]||c[d];e.addEvent(a,"keydown",this),this.on("destroy",function(){e.removeEvent(a,"keydown",this)})},_key:function(a){if(this.enabled){var j,b=this.options.snap,d=b?this.currentPage.pageX:this.x,f=b?this.currentPage.pageY:this.y,g=e.getTime(),h=this.keyTime||0,i=.25;switch(this.options.useTransition&&this.isInTransition&&(j=this.getComputedPosition(),this._translate(c.round(j.x),c.round(j.y)),this.isInTransition=!1),this.keyAcceleration=200>g-h?c.min(this.keyAcceleration+i,50):0,a.keyCode){case this.options.keyBindings.pageUp:this.hasHorizontalScroll&&!this.hasVerticalScroll?d+=b?1:this.wrapperWidth:f+=b?1:this.wrapperHeight;break;case this.options.keyBindings.pageDown:this.hasHorizontalScroll&&!this.hasVerticalScroll?d-=b?1:this.wrapperWidth:f-=b?1:this.wrapperHeight;break;case this.options.keyBindings.end:d=b?this.pages.length-1:this.maxScrollX,f=b?this.pages[0].length-1:this.maxScrollY;break;case this.options.keyBindings.home:d=0,f=0;break;case this.options.keyBindings.left:d+=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.up:f+=b?1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.right:d-=b?-1:5+this.keyAcceleration>>0;break;case this.options.keyBindings.down:f-=b?1:5+this.keyAcceleration>>0;break;default:return}if(b)return this.goToPage(d,f),void 0;d>0?(d=0,this.keyAcceleration=0):d<this.maxScrollX&&(d=this.maxScrollX,this.keyAcceleration=0),f>0?(f=0,this.keyAcceleration=0):f<this.maxScrollY&&(f=this.maxScrollY,this.keyAcceleration=0),this.scrollTo(d,f,0),this.keyTime=g}},_animate:function(a,b,c,f){function l(){var n,o,p,m=e.getTime();return m>=k?(g.isAnimating=!1,g._translate(a,b),g.resetPosition(g.options.bounceTime)||g._execEvent("scrollEnd"),void 0):(m=(m-j)/c,p=f(m),n=(a-h)*p+h,o=(b-i)*p+i,g._translate(n,o),g.isAnimating&&d(l),void 0)}var g=this,h=this.x,i=this.y,j=e.getTime(),k=j+c;this.isAnimating=!0,l()},handleEvent:function(a){switch(a.type){case"touchstart":case"pointerdown":case"MSPointerDown":case"mousedown":this._start(a),this.options.zoom&&a.touches&&a.touches.length>1&&this._zoomStart(a);break;case"touchmove":case"pointermove":case"MSPointerMove":case"mousemove":if(this.options.zoom&&a.touches&&a.touches[1])return this._zoom(a),void 0;this._move(a);break;case"touchend":case"pointerup":case"MSPointerUp":case"mouseup":case"touchcancel":case"pointercancel":case"MSPointerCancel":case"mousecancel":if(this.scaled)return this._zoomEnd(a),void 0;this._end(a);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(a);break;case"wheel":case"DOMMouseScroll":case"mousewheel":if("zoom"==this.options.wheelAction)return this._wheelZoom(a),void 0;this._wheel(a);break;case"keydown":this._key(a)}}},h.prototype={handleEvent:function(a){switch(a.type){case"touchstart":case"pointerdown":case"MSPointerDown":case"mousedown":this._start(a);break;case"touchmove":case"pointermove":case"MSPointerMove":case"mousemove":this._move(a);break;case"touchend":case"pointerup":case"MSPointerUp":case"mouseup":case"touchcancel":case"pointercancel":case"MSPointerCancel":case"mousecancel":this._end(a)}},destroy:function(){this.options.interactive&&(e.removeEvent(this.indicator,"touchstart",this),e.removeEvent(this.indicator,e.prefixPointerEvent("pointerdown"),this),e.removeEvent(this.indicator,"mousedown",this),e.removeEvent(a,"touchmove",this),e.removeEvent(a,e.prefixPointerEvent("pointermove"),this),e.removeEvent(a,"mousemove",this),e.removeEvent(a,"touchend",this),e.removeEvent(a,e.prefixPointerEvent("pointerup"),this),e.removeEvent(a,"mouseup",this)),this.options.defaultScrollbars&&this.wrapper.parentNode.removeChild(this.wrapper)},_start:function(b){var c=b.touches?b.touches[0]:b;b.preventDefault(),b.stopPropagation(),this.transitionTime(),this.initiated=!0,this.moved=!1,this.lastPointX=c.pageX,this.lastPointY=c.pageY,this.startTime=e.getTime(),this.options.disableTouch||e.addEvent(a,"touchmove",this),this.options.disablePointer||e.addEvent(a,e.prefixPointerEvent("pointermove"),this),this.options.disableMouse||e.addEvent(a,"mousemove",this),this.scroller._execEvent("beforeScrollStart")},_move:function(a){var c,d,f,g,b=a.touches?a.touches[0]:a;e.getTime(),this.moved||this.scroller._execEvent("scrollStart"),this.moved=!0,c=b.pageX-this.lastPointX,this.lastPointX=b.pageX,d=b.pageY-this.lastPointY,this.lastPointY=b.pageY,f=this.x+c,g=this.y+d,this._pos(f,g),a.preventDefault(),a.stopPropagation()},_end:function(b){var d,f;this.initiated&&(this.initiated=!1,b.preventDefault(),b.stopPropagation(),e.removeEvent(a,"touchmove",this),e.removeEvent(a,e.prefixPointerEvent("pointermove"),this),e.removeEvent(a,"mousemove",this),this.scroller.options.snap&&(d=this.scroller._nearestSnap(this.scroller.x,this.scroller.y),f=this.options.snapSpeed||c.max(c.max(c.min(c.abs(this.scroller.x-d.x),1e3),c.min(c.abs(this.scroller.y-d.y),1e3)),300),(this.scroller.x!=d.x||this.scroller.y!=d.y)&&(this.scroller.directionX=0,this.scroller.directionY=0,this.scroller.currentPage=d,this.scroller.scrollTo(d.x,d.y,f,this.scroller.options.bounceEasing))),this.moved&&this.scroller._execEvent("scrollEnd"))},transitionTime:function(a){a=a||0,this.indicatorStyle[e.style.transitionDuration]=a+"ms",!a&&e.isBadAndroid&&(this.indicatorStyle[e.style.transitionDuration]="0.001s")},transitionTimingFunction:function(a){this.indicatorStyle[e.style.transitionTimingFunction]=a},refresh:function(){this.transitionTime(),this.indicatorStyle.display=this.options.listenX&&!this.options.listenY?this.scroller.hasHorizontalScroll?"block":"none":this.options.listenY&&!this.options.listenX?this.scroller.hasVerticalScroll?"block":"none":this.scroller.hasHorizontalScroll||this.scroller.hasVerticalScroll?"block":"none",this.scroller.hasHorizontalScroll&&this.scroller.hasVerticalScroll?(e.addClass(this.wrapper,"iScrollBothScrollbars"),e.removeClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="8px":this.wrapper.style.bottom="8px")):(e.removeClass(this.wrapper,"iScrollBothScrollbars"),e.addClass(this.wrapper,"iScrollLoneScrollbar"),this.options.defaultScrollbars&&this.options.customStyle&&(this.options.listenX?this.wrapper.style.right="2px":this.wrapper.style.bottom="2px")),this.wrapper.offsetHeight,this.options.listenX&&(this.wrapperWidth=this.wrapper.clientWidth,this.options.resize?(this.indicatorWidth=c.max(c.round(this.wrapperWidth*this.wrapperWidth/(this.scroller.scrollerWidth||this.wrapperWidth||1)),8),this.indicatorStyle.width=this.indicatorWidth+"px"):this.indicatorWidth=this.indicator.clientWidth,this.maxPosX=this.wrapperWidth-this.indicatorWidth,"clip"==this.options.shrink?(this.minBoundaryX=-this.indicatorWidth+8,this.maxBoundaryX=this.wrapperWidth-8):(this.minBoundaryX=0,this.maxBoundaryX=this.maxPosX),this.sizeRatioX=this.options.speedRatioX||this.scroller.maxScrollX&&this.maxPosX/this.scroller.maxScrollX),this.options.listenY&&(this.wrapperHeight=this.wrapper.clientHeight,this.options.resize?(this.indicatorHeight=c.max(c.round(this.wrapperHeight*this.wrapperHeight/(this.scroller.scrollerHeight||this.wrapperHeight||1)),8),this.indicatorStyle.height=this.indicatorHeight+"px"):this.indicatorHeight=this.indicator.clientHeight,this.maxPosY=this.wrapperHeight-this.indicatorHeight,"clip"==this.options.shrink?(this.minBoundaryY=-this.indicatorHeight+8,this.maxBoundaryY=this.wrapperHeight-8):(this.minBoundaryY=0,this.maxBoundaryY=this.maxPosY),this.maxPosY=this.wrapperHeight-this.indicatorHeight,this.sizeRatioY=this.options.speedRatioY||this.scroller.maxScrollY&&this.maxPosY/this.scroller.maxScrollY),this.updatePosition()
2 | },updatePosition:function(){var a=this.options.listenX&&c.round(this.sizeRatioX*this.scroller.x)||0,b=this.options.listenY&&c.round(this.sizeRatioY*this.scroller.y)||0;this.options.ignoreBoundaries||(a<this.minBoundaryX?("scale"==this.options.shrink&&(this.width=c.max(this.indicatorWidth+a,8),this.indicatorStyle.width=this.width+"px"),a=this.minBoundaryX):a>this.maxBoundaryX?"scale"==this.options.shrink?(this.width=c.max(this.indicatorWidth-(a-this.maxPosX),8),this.indicatorStyle.width=this.width+"px",a=this.maxPosX+this.indicatorWidth-this.width):a=this.maxBoundaryX:"scale"==this.options.shrink&&this.width!=this.indicatorWidth&&(this.width=this.indicatorWidth,this.indicatorStyle.width=this.width+"px"),b<this.minBoundaryY?("scale"==this.options.shrink&&(this.height=c.max(this.indicatorHeight+3*b,8),this.indicatorStyle.height=this.height+"px"),b=this.minBoundaryY):b>this.maxBoundaryY?"scale"==this.options.shrink?(this.height=c.max(this.indicatorHeight-3*(b-this.maxPosY),8),this.indicatorStyle.height=this.height+"px",b=this.maxPosY+this.indicatorHeight-this.height):b=this.maxBoundaryY:"scale"==this.options.shrink&&this.height!=this.indicatorHeight&&(this.height=this.indicatorHeight,this.indicatorStyle.height=this.height+"px")),this.x=a,this.y=b,this.scroller.options.useTransform?this.indicatorStyle[e.style.transform]="translate("+a+"px,"+b+"px)"+this.scroller.translateZ:(this.indicatorStyle.left=a+"px",this.indicatorStyle.top=b+"px")},_pos:function(a,b){0>a?a=0:a>this.maxPosX&&(a=this.maxPosX),0>b?b=0:b>this.maxPosY&&(b=this.maxPosY),a=this.options.listenX?c.round(a/this.sizeRatioX):this.scroller.x,b=this.options.listenY?c.round(b/this.sizeRatioY):this.scroller.y,this.scroller.scrollTo(a,b)},fade:function(a,b){if(!b||this.visible){clearTimeout(this.fadeTimeout),this.fadeTimeout=null;var c=a?250:500,d=a?0:300;a=a?"1":"0",this.wrapperStyle[e.style.transitionDuration]=c+"ms",this.fadeTimeout=setTimeout(function(a){this.wrapperStyle.opacity=a,this.visible=+a}.bind(this,a),d)}}},f.utils=e,"function"==typeof define&&(define.amd||define.cmd)?define(function(a,b,c){c.exports=f}):a.IScroll=f}(window,document,Math);


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5 | 


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