![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <!-- <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="description" content="A simple jQuery image viewing plugin."> <meta name="keywords" content="HTML, CSS, JS, JavaScript, jQuery plugin, image viewing, front-end, frontend, web development"> <meta name="author" content="Fengyuan Chen">--> <title>Viewer</title> <link rel="stylesheet" href="css/viewer.min.css"> </head> <body> <!-- Content --> <div class="container"> <div class="row"> <div class="col-sm-8 col-md-6"> <h3 class="page-header">Dem o</h3> <div class="docs-galley"> <ul class="docs-pictures clearfix"> <li><img data-original="images/tibet-1.jpg" src="images/thumbnails/tibet-1.jpg" alt="Cuo Na Lake"></li> <li><img data-original="images/tibet-2.jpg" src="images/thumbnails/tibet-2.jpg" alt="Tibetan Plateau"></li> <li><img data-original="images/tibet-3.jpg" src="images/thumbnails/tibet-3.jpg" alt="Jokhang Temple"></li> <li><img data-original="images/tibet-4.jpg" src="images/thumbnails/tibet-4.jpg" alt="Potala Palace 1"></li> <li><img data-original="images/tibet-5.jpg" src="images/thumbnails/tibet-5.jpg" alt="Potala Palace 2"></li> <li><img data-original="images/tibet-6.jpg" src="images/thumbnails/tibet-6.jpg" alt="Potala Palace 3"></li> <li><img data-original="images/tibet-7.jpg" src="images/thumbnails/tibet-7.jpg" alt="Lhasa River"></li> <li><img data-original="images/tibet-8.jpg" src="images/thumbnails/tibet-8.jpg" alt="Namtso 1"></li> <li><img data-original="images/tibet-9.jpg" src="images/thumbnails/tibet-9.jpg" alt="Namtso 2"></li> </ul> </div> </div> </div> </div> <script src="js/jquery-1.11.3.min.js"></script> <script src="js/viewer.min.js"></script> <script> /* var url, options = { inline: true, url: 'data-original', build: function (e) { console.log(e.type); }, built: function (e) { console.log(e.type); }, show: function (e) { console.log(e.type); }, shown: function (e) { console.log(e.type); }, hide: function (e) { console.log(e.type); }, hidden: function (e) { console.log(e.type); }, view: function (e) { console.log(e.type); }, viewed: function (e) { console.log(e.type); } }; $('.docs-pictures').viewer(url);*/ $('.docs-pictures').viewer("data-original"); </script> </body> </html>
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
/*! * Viewer v0.5.1 * https://github.com/fengyuanchen/viewer * * Copyright (c) 2015-2016 Fengyuan Chen * Released under the MIT license * * Date: 2016-03-11T07:57:59.486Z */ !function(i){"function"==typeof define&&define.amd?define("viewer",["jquery"],i):i("object"==typeof exports?require("jquery"):jQuery)}(function(i){"use strict";function t(i){return"string"==typeof i}function e(i){return"number"==typeof i&&!isNaN(i)}function s(i){return"undefined"==typeof i}function n(i,t){var s=[];return e(t)&&s.push(t),s.slice.apply(i,s)}function o(i,t){var e=n(arguments,2);return function(){return i.apply(t,e.concat(n(arguments)))}}function a(i){var t=[],s=i.rotate,n=i.scaleX,o=i.scaleY;return e(s)&&t.push("rotate("+s+"deg)"),e(n)&&e(o)&&t.push("scale("+n+","+o+")"),t.length?t.join(" "):"none"}function h(i){return i.offsetWidth}function r(i){return t(i)?i.replace(/^.*//,"").replace(/[?&#].*$/,""):""}function l(i,t){var e;return 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t,e,s,n,o,a,h=this.options,r=this.$element;this.isBuilt||(this.$parent=t=r.parent(),this.$viewer=e=i(u.TEMPLATE),this.$canvas=e.find(".viewer-canvas"),this.$footer=e.find(".viewer-footer"),this.$title=s=e.find(".viewer-title"),this.$toolbar=n=e.find(".viewer-toolbar"),this.$navbar=o=e.find(".viewer-navbar"),this.$button=a=e.find(".viewer-button"),this.$tooltip=e.find(".viewer-tooltip"),this.$player=e.find(".viewer-player"),this.$list=e.find(".viewer-list"),s.addClass(h.title?c(h.title):y),n.addClass(h.toolbar?c(h.toolbar):y),n.find("li[class*=zoom]").toggleClass(I,!h.zoomable),n.find("li[class*=flip]").toggleClass(I,!h.scalable),h.rotatable||n.find("li[class*=rotate]").addClass(I).appendTo(n),o.addClass(h.navbar?c(h.navbar):y),a.toggleClass(y,!h.button),h.inline?(a.addClass(T),e.css("z-index",h.zIndexInline),"static"===t.css("position")&&t.css("position","relative")):(a.addClass(V),e.css("z-index",h.zIndex).addClass([w,F,y].join(" 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t=this.options,e=this.viewer,s=this.$image;this.timeout&&(clearTimeout(this.timeout),this.timeout=!1),s.removeClass(I).css("cssText","0;height:0;margin-left:"+e.width/2+"px;margin-top:"+e.height/2+"px;max-none!important;visibility:visible;"),this.initImage(i.proxy(function(){s.toggleClass(X,t.transition).toggleClass(Y,t.movable),this.renderImage(i.proxy(function(){this.isViewed=!0,this.trigger(K)},this))},this))},loadImage:function(t){var e=t.target,s=i(e),n=s.parent(),o=n.width(),a=n.height(),h=t.data&&t.data.filled;l(e,function(i,t){var e=i/t,n=o,r=a;a*e>o?h?n=a*e:r=o/e:h?r=o/e:n=a*e,s.css({n,height:r,marginLeft:(o-n)/2,marginTop:(a-r)/2})})},resize:function(){this.initContainer(),this.initViewer(),this.renderViewer(),this.renderList(),this.isViewed&&this.initImage(i.proxy(function(){this.renderImage()},this)),this.isPlayed&&this.$player.find(E).one(M,i.proxy(this.loadImage,this)).trigger(M)},wheel:function(t){var 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t,e=this.options;e.inline||this.transitioning||(this.isBuilt||this.build(),i.isFunction(e.show)&&this.$element.one(H,e.show),this.trigger(H).isDefaultPrevented()||(this.$body.addClass(p),t=this.$viewer.removeClass(y),this.$element.one(U,i.proxy(function(){this.view(this.target?this.$images.index(this.target):this.index),this.target=!1},this)),e.transition?(this.transitioning=!0,t.addClass(X),h(t[0]),t.one(R,i.proxy(this.shown,this)).addClass(z)):(t.addClass(z),this.shown())))},hide:function(){var t=this.options,e=this.$viewer;t.inline||this.transitioning||!this.isShown||(i.isFunction(t.hide)&&this.$element.one(N,t.hide),this.trigger(N).isDefaultPrevented()||(this.isViewed&&t.transition?(this.transitioning=!0,this.$image.one(R,i.proxy(function(){e.one(R,i.proxy(this.hidden,this)).removeClass(z)},this)),this.zoomTo(0,!1,!1,!0)):(e.removeClass(z),this.hidden())))},view:function(t){var 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n=this.image,o=!1;s(t)&&(t=i),i=si(i),t=si(t),this.isViewed&&!this.isPlayed&&this.options.movable&&(e(i)&&(n.left=i,o=!0),e(t)&&(n.top=t,o=!0),o&&this.renderImage())},zoom:function(i,t,e){var s=this.image;i=si(i),i=0>i?1/(1-i):1+i,this.zoomTo(s.width*i/s.naturalWidth,t,e)},zoomTo:function(i,t,s,n){var o,a,h,r,l,c=this.options,u=.01,m=100,v=this.image,f=v.width,g=v.height;i=ei(0,i),e(i)&&this.isViewed&&!this.isPlayed&&(n||c.zoomable)&&(n||(u=ei(u,c.minZoomRatio),m=ti(m,c.maxZoomRatio),i=ti(ei(i,u),m)),i>.95&&1.05>i&&(i=1),a=v.naturalWidth*i,h=v.naturalHeight*i,s&&(o=s.originalEvent)?(r=this.$viewer.offset(),l=o.touches?d(o.touches):{pageX:s.pageX||o.pageX||0,pageY:s.pageY||o.pageY||0},v.left-=(a-f)*((l.pageX-r.left-v.left)/f),v.top-=(h-g)*((l.pageY-r.top-v.top)/g)):(v.left-=(a-f)/2,v.top-=(h-g)/2),v.width=a,v.height=h,v.ratio=i,this.renderImage(),t&&this.tooltip())},rotate:function(i){this.rotateTo((this.image.rotate||0)+si(i))},rotateTo:function(i){var 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t=this.options,e=this.$image,s=this.$list;this.isShown&&!this.isPlayed&&!this.isFulled&&t.inline&&(this.isFulled=!0,this.$body.addClass(p),this.$button.addClass(P),t.transition&&(e.removeClass(X),s.removeClass(X)),this.$viewer.addClass(w).removeAttr("style").css("z-index",t.zIndex),this.initContainer(),this.viewer=i.extend({},this.container),this.renderList(),this.initImage(i.proxy(function(){this.renderImage(function(){t.transition&&setTimeout(function(){e.addClass(X),s.addClass(X)},0)})},this)))},exit:function(){var t=this.options,e=this.$image,s=this.$list;this.isFulled&&(this.isFulled=!1,this.$body.removeClass(p),this.$button.removeClass(P),t.transition&&(e.removeClass(X),s.removeClass(X)),this.$viewer.removeClass(w).css("z-index",t.zIndexInline),this.viewer=i.extend({},this.parent),this.renderViewer(),this.renderList(),this.initImage(i.proxy(function(){this.renderImage(function(){t.transition&&setTimeout(function(){e.addClass(X),s.addClass(X)},0)})},this)))},tooltip:function(){var 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/*! * Viewer.js v0.3.1 * https://github.com/fengyuanchen/viewerjs * * Copyright (c) 2015-2016 Fengyuan Chen * Released under the MIT license * * Date: 2016-02-02T11:35:36.273Z 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5px;white-space:nowrap;text-overflow:ellipsis;opacity:.8;color:#ccc;filter:alpha(opacity=80)}.viewer-title:hover{opacity:1;filter:alpha(opacity=100)}.viewer-button{position:absolute;top:-40px;right:-40px;width:80px;height:80px;cursor:pointer;border-radius:50%;background-color:#000;background-color:rgba(0,0,0,.5)}.viewer-button:before{position:absolute;bottom:15px;left:15px}.viewer-fixed{position:fixed}.viewer-show{display:block}.viewer-hide{display:none}.viewer-invisible{visibility:hidden}.viewer-move{cursor:move;cursor:-webkit-grab;cursor:-moz-grab;cursor:grab}.viewer-fade{opacity:0;filter:alpha(opacity=0)}.viewer-in{opacity:1;filter:alpha(opacity=100)}.viewer-transition{-webkit-transition:all .3s ease-out;-o-transition:all .3s ease-out;transition:all .3s ease-out}@media (max-767px){.viewer-hide-xs-down{display:none}}@media (max-991px){.viewer-hide-sm-down{display:none}}@media (max-1199px){.viewer-hide-md-down{display:none}}
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/*! * Viewer v0.5.1 * https://github.com/fengyuanchen/viewer * * Copyright (c) 2015-2016 Fengyuan Chen * Released under the MIT license * * Date: 2016-03-11T07:57:59.486Z */ (function (factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as anonymous module. define('viewer', ['jquery'], factory); } else if (typeof exports === 'object') { // Node / CommonJS factory(require('jquery')); } else { // Browser globals. factory(jQuery); } })(function ($) { 'use strict'; var $window = $(window); var $document = $(document); // Constants var NAMESPACE = 'viewer'; var ELEMENT_VIEWER = document.createElement(NAMESPACE); // Classes var CLASS_FIXED = 'viewer-fixed'; var CLASS_OPEN = 'viewer-open'; var CLASS_SHOW = 'viewer-show'; var CLASS_HIDE = 'viewer-hide'; var CLASS_HIDE_XS_DOWN = 'viewer-hide-xs-down'; var CLASS_HIDE_SM_DOWN = 'viewer-hide-sm-down'; var CLASS_HIDE_MD_DOWN = 'viewer-hide-md-down'; var CLASS_FADE = 'viewer-fade'; var CLASS_IN = 'viewer-in'; var CLASS_MOVE = 'viewer-move'; var CLASS_ACTIVE = 'viewer-active'; var CLASS_INVISIBLE = 'viewer-invisible'; var CLASS_TRANSITION = 'viewer-transition'; var CLASS_FULLSCREEN = 'viewer-fullscreen'; var CLASS_FULLSCREEN_EXIT = 'viewer-fullscreen-exit'; var CLASS_CLOSE = 'viewer-close'; // Selectors var SELECTOR_IMG = 'img'; // Events var EVENT_MOUSEDOWN = 'mousedown touchstart pointerdown MSPointerDown'; var EVENT_MOUSEMOVE = 'mousemove touchmove pointermove MSPointerMove'; var EVENT_MOUSEUP = 'mouseup touchend touchcancel pointerup pointercancel MSPointerUp MSPointerCancel'; var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll'; var EVENT_TRANSITIONEND = 'transitionend'; var EVENT_LOAD = 'load.' + NAMESPACE; var EVENT_KEYDOWN = 'keydown.' + NAMESPACE; var EVENT_CLICK = 'click.' + NAMESPACE; var EVENT_RESIZE = 'resize.' + NAMESPACE; var EVENT_BUILD = 'build.' + NAMESPACE; var EVENT_BUILT = 'built.' + NAMESPACE; var EVENT_SHOW = 'show.' + NAMESPACE; var EVENT_SHOWN = 'shown.' + NAMESPACE; var EVENT_HIDE = 'hide.' + NAMESPACE; var EVENT_HIDDEN = 'hidden.' + NAMESPACE; var EVENT_VIEW = 'view.' + NAMESPACE; var EVENT_VIEWED = 'viewed.' + NAMESPACE; // Supports var SUPPORT_TRANSITION = typeof ELEMENT_VIEWER.style.transition !== 'undefined'; // Others var round = Math.round; var sqrt = Math.sqrt; var abs = Math.abs; var min = Math.min; var max = Math.max; var num = Number; function isString(s) { return typeof s === 'string'; } function isNumber(n) { return typeof n === 'number' && !isNaN(n); } function isUndefined(u) { return typeof u === 'undefined'; } function toArray(obj, offset) { var args = []; if (isNumber(offset)) { // It's necessary for IE8 args.push(offset); } return args.slice.apply(obj, args); } // Custom proxy to avoid jQuery's guid function proxy(fn, context) { var args = toArray(arguments, 2); return function () { return fn.apply(context, args.concat(toArray(arguments))); }; } function getTransform(options) { var transforms = []; var rotate = options.rotate; var scaleX = options.scaleX; var scaleY = options.scaleY; if (isNumber(rotate)) { transforms.push('rotate(' + rotate + 'deg)'); } if (isNumber(scaleX) && isNumber(scaleY)) { transforms.push('scale(' + scaleX + ',' + scaleY + ')'); } return transforms.length ? transforms.join(' ') : 'none'; } // Force reflow to enable CSS3 transition function forceReflow(element) { return element.offsetWidth; } // e.g.: http://domain.com/path/to/picture.jpg?size=1280×960 -> picture.jpg function getImageName(url) { return isString(url) ? url.replace(/^.*//, '').replace(/[?&#].*$/, '') : ''; } function getImageSize(image, callback) { var newImage; // Modern browsers if (image.naturalWidth) { return callback(image.naturalWidth, image.naturalHeight); } // IE8: Don't use `new Image()` here newImage = document.createElement('img'); newImage.onload = function () { callback(this.width, this.height); }; newImage.src = image.src; } function getTouchesCenter(touches) { var length = touches.length; var pageX = 0; var pageY = 0; if (length) { $.each(touches, function (i, touch) { pageX += touch.pageX; pageY += touch.pageY; }); pageX /= length; pageY /= length; } return { pageX: pageX, pageY: pageY }; } function getResponsiveClass(option) { switch (option) { case 2: return CLASS_HIDE_XS_DOWN; case 3: return CLASS_HIDE_SM_DOWN; case 4: return CLASS_HIDE_MD_DOWN; } } function Viewer(element, options) { this.$element = $(element); this.options = $.extend({}, Viewer.DEFAULTS, $.isPlainObject(options) && options); this.isImg = false; this.isBuilt = false; this.isShown = false; this.isViewed = false; this.isFulled = false; this.isPlayed = false; this.wheeling = false; this.playing = false; this.fading = false; this.tooltiping = false; this.transitioning = false; this.action = false; this.target = false; this.timeout = false; this.index = 0; this.length = 0; this.init(); } Viewer.prototype = { constructor: Viewer, init: function () { var options = this.options; var $this = this.$element; var isImg = $this.is(SELECTOR_IMG); var $images = isImg ? $this : $this.find(SELECTOR_IMG); var length = $images.length; var ready = $.proxy(this.ready, this); if (!length) { return; } if ($.isFunction(options.build)) { $this.one(EVENT_BUILD, options.build); } if (this.trigger(EVENT_BUILD).isDefaultPrevented()) { return; } // Override `transition` option if it is not supported if (!SUPPORT_TRANSITION) { options.transition = false; } this.isImg = isImg; this.length = length; this.count = 0; this.$images = $images; this.$body = $('body'); if (options.inline) { $this.one(EVENT_BUILT, $.proxy(function () { this.view(); }, this)); $images.each(function () { if (this.complete) { ready(); } else { $(this).one(EVENT_LOAD, ready); } }); } else { $this.on(EVENT_CLICK, $.proxy(this.start, this)); } }, ready: function () { this.count++; if (this.count === this.length) { this.build(); } }, build: function () { var options = this.options; var $this = this.$element; var $parent; var $viewer; var $title; var $toolbar; var $navbar; var $button; if (this.isBuilt) { return; } this.$parent = $parent = $this.parent(); this.$viewer = $viewer = $(Viewer.TEMPLATE); this.$canvas = $viewer.find('.viewer-canvas'); this.$footer = $viewer.find('.viewer-footer'); this.$title = $title = $viewer.find('.viewer-title'); this.$toolbar = $toolbar = $viewer.find('.viewer-toolbar'); this.$navbar = $navbar = $viewer.find('.viewer-navbar'); this.$button = $button = $viewer.find('.viewer-button'); this.$tooltip = $viewer.find('.viewer-tooltip'); this.$player = $viewer.find('.viewer-player'); this.$list = $viewer.find('.viewer-list'); $title.addClass(!options.title ? CLASS_HIDE : getResponsiveClass(options.title)); $toolbar.addClass(!options.toolbar ? CLASS_HIDE : getResponsiveClass(options.toolbar)); $toolbar.find('li[class*=zoom]').toggleClass(CLASS_INVISIBLE, !options.zoomable); $toolbar.find('li[class*=flip]').toggleClass(CLASS_INVISIBLE, !options.scalable); if (!options.rotatable) { $toolbar.find('li[class*=rotate]').addClass(CLASS_INVISIBLE).appendTo($toolbar); } $navbar.addClass(!options.navbar ? CLASS_HIDE : getResponsiveClass(options.navbar)); $button.toggleClass(CLASS_HIDE, !options.button); if (options.inline) { $button.addClass(CLASS_FULLSCREEN); $viewer.css('z-index', options.zIndexInline); if ($parent.css('position') === 'static') { $parent.css('position', 'relative'); } } else { $button.addClass(CLASS_CLOSE); $viewer. css('z-index', options.zIndex). addClass([CLASS_FIXED, CLASS_FADE, CLASS_HIDE].join(' ')); } $this.after($viewer); if (options.inline) { this.render(); this.bind(); this.isShown = true; } this.isBuilt = true; if ($.isFunction(options.built)) { $this.one(EVENT_BUILT, options.built); } this.trigger(EVENT_BUILT); }, unbuild: function () { if (!this.isBuilt) { return; } this.isBuilt = false; this.$viewer.remove(); }, bind: function () { var options = this.options; var $this = this.$element; if ($.isFunction(options.view)) { $this.on(EVENT_VIEW, options.view); } if ($.isFunction(options.viewed)) { $this.on(EVENT_VIEWED, options.viewed); } this.$viewer. on(EVENT_CLICK, $.proxy(this.click, this)). on(EVENT_WHEEL, $.proxy(this.wheel, this)); this.$canvas.on(EVENT_MOUSEDOWN, $.proxy(this.mousedown, this)); $document. on(EVENT_MOUSEMOVE, (this._mousemove = proxy(this.mousemove, this))). on(EVENT_MOUSEUP, (this._mouseup = proxy(this.mouseup, this))). on(EVENT_KEYDOWN, (this._keydown = proxy(this.keydown, this))); $window.on(EVENT_RESIZE, (this._resize = proxy(this.resize, this))); }, unbind: function () { var options = this.options; var $this = this.$element; if ($.isFunction(options.view)) { $this.off(EVENT_VIEW, options.view); } if ($.isFunction(options.viewed)) { $this.off(EVENT_VIEWED, options.viewed); } this.$viewer. off(EVENT_CLICK, this.click). off(EVENT_WHEEL, this.wheel); this.$canvas.off(EVENT_MOUSEDOWN, this.mousedown); $document. off(EVENT_MOUSEMOVE, this._mousemove). off(EVENT_MOUSEUP, this._mouseup). off(EVENT_KEYDOWN, this._keydown); $window.off(EVENT_RESIZE, this._resize); }, render: function () { this.initContainer(); this.initViewer(); this.initList(); this.renderViewer(); }, initContainer: function () { this.container = { $window.innerWidth(), height: $window.innerHeight() }; }, initViewer: function () { var options = this.options; var $parent = this.$parent; var viewer; if (options.inline) { this.parent = viewer = { max($parent.width(), options.minWidth), height: max($parent.height(), options.minHeight) }; } if (this.isFulled || !viewer) { viewer = this.container; } this.viewer = $.extend({}, viewer); }, renderViewer: function () { if (this.options.inline && !this.isFulled) { this.$viewer.css(this.viewer); } }, initList: function () { var options = this.options; var $this = this.$element; var $list = this.$list; var list = []; this.$images.each(function (i) { var src = this.src; var alt = this.alt || getImageName(src); var url = options.url; if (!src) { return; } if (isString(url)) { url = this.getAttribute(url); } else if ($.isFunction(url)) { url = url.call(this, this); } list.push( '<li>' + '<img' + ' src="' + src + '"' + ' data-action="view"' + ' data-index="' + i + '"' + ' data-original-url="' + (url || src) + '"' + ' alt="' + alt + '"' + '>' + '</li>' ); }); $list.html(list.join('')).find(SELECTOR_IMG).one(EVENT_LOAD, { filled: true }, $.proxy(this.loadImage, this)); this.$items = $list.children(); if (options.transition) { $this.one(EVENT_VIEWED, function () { $list.addClass(CLASS_TRANSITION); }); } }, renderList: function (index) { var i = index || this.index; var width = this.$items.eq(i).width(); var outerWidth = width + 1; // 1 pixel of `margin-left` width // Place the active item in the center of the screen this.$list.css({ outerWidth * this.length, marginLeft: (this.viewer.width - width) / 2 - outerWidth * i }); }, resetList: function () { this.$list.empty().removeClass(CLASS_TRANSITION).css('margin-left', 0); }, initImage: function (callback) { var options = this.options; var $image = this.$image; var viewer = this.viewer; var footerHeight = this.$footer.height(); var viewerWidth = viewer.width; var viewerHeight = max(viewer.height - footerHeight, footerHeight); var oldImage = this.image || {}; getImageSize($image[0], $.proxy(function (naturalWidth, naturalHeight) { var aspectRatio = naturalWidth / naturalHeight; var width = viewerWidth; var height = viewerHeight; var initialImage; var image; if (viewerHeight * aspectRatio > viewerWidth) { height = viewerWidth / aspectRatio; } else { width = viewerHeight * aspectRatio; } width = min(width * 0.9, naturalWidth); height = min(height * 0.9, naturalHeight); image = { naturalWidth: naturalWidth, naturalHeight: naturalHeight, aspectRatio: aspectRatio, ratio: width / naturalWidth, width, height: height, left: (viewerWidth - width) / 2, top: (viewerHeight - height) / 2 }; initialImage = $.extend({}, image); if (options.rotatable) { image.rotate = oldImage.rotate || 0; initialImage.rotate = 0; } if (options.scalable) { image.scaleX = oldImage.scaleX || 1; image.scaleY = oldImage.scaleY || 1; initialImage.scaleX = 1; initialImage.scaleY = 1; } this.image = image; this.initialImage = initialImage; if ($.isFunction(callback)) { callback(); } }, this)); }, renderImage: function (callback) { var image = this.image; var $image = this.$image; $image.css({ image.width, height: image.height, marginLeft: image.left, marginTop: image.top, transform: getTransform(image) }); if ($.isFunction(callback)) { if (this.transitioning) { $image.one(EVENT_TRANSITIONEND, callback); } else { callback(); } } }, resetImage: function () { if (this.$image) { this.$image.remove(); this.$image = null; } }, start: function (e) { var target = e.target; if ($(target).is('img')) { this.target = target; this.show(); } }, click: function (e) { var $target = $(e.target); var action = $target.data('action'); var image = this.image; switch (action) { case 'mix': if (this.isPlayed) { this.stop(); } else { if (this.options.inline) { if (this.isFulled) { this.exit(); } else { this.full(); } } else { this.hide(); } } break; case 'view': this.view($target.data('index')); break; case 'zoom-in': this.zoom(0.1, true); break; case 'zoom-out': this.zoom(-0.1, true); break; case 'one-to-one': this.toggle(); break; case 'reset': this.reset(); break; case 'prev': this.prev(); break; case 'play': this.play(); break; case 'next': this.next(); break; case 'rotate-left': this.rotate(-90); break; case 'rotate-right': this.rotate(90); break; case 'flip-horizontal': this.scaleX(-image.scaleX || -1); break; case 'flip-vertical': this.scaleY(-image.scaleY || -1); break; default: if (this.isPlayed) { this.stop(); } } }, load: function () { var options = this.options; var viewer = this.viewer; var $image = this.$image; if (this.timeout) { clearTimeout(this.timeout); this.timeout = false; } $image.removeClass(CLASS_INVISIBLE).css('cssText', ( '0;' + 'height:0;' + 'margin-left:' + viewer.width / 2 + 'px;' + 'margin-top:' + viewer.height / 2 + 'px;' + 'max-none!important;' + 'visibility:visible;' )); this.initImage($.proxy(function () { $image. toggleClass(CLASS_TRANSITION, options.transition). toggleClass(CLASS_MOVE, options.movable); this.renderImage($.proxy(function () { this.isViewed = true; this.trigger(EVENT_VIEWED); }, this)); }, this)); }, loadImage: function (e) { var image = e.target; var $image = $(image); var $parent = $image.parent(); var parentWidth = $parent.width(); var parentHeight = $parent.height(); var filled = e.data && e.data.filled; getImageSize(image, function (naturalWidth, naturalHeight) { var aspectRatio = naturalWidth / naturalHeight; var width = parentWidth; var height = parentHeight; if (parentHeight * aspectRatio > parentWidth) { if (filled) { width = parentHeight * aspectRatio; } else { height = parentWidth / aspectRatio; } } else { if (filled) { height = parentWidth / aspectRatio; } else { width = parentHeight * aspectRatio; } } $image.css({ width, height: height, marginLeft: (parentWidth - width) / 2, marginTop: (parentHeight - height) / 2 }); }); }, resize: function () { this.initContainer(); this.initViewer(); this.renderViewer(); this.renderList(); if (this.isViewed) { this.initImage($.proxy(function () { this.renderImage(); }, this)); } if (this.isPlayed) { this.$player. find(SELECTOR_IMG). one(EVENT_LOAD, $.proxy(this.loadImage, this)). trigger(EVENT_LOAD); } }, wheel: function (event) { var e = event.originalEvent || event; var ratio = num(this.options.zoomRatio) || 0.1; var delta = 1; if (!this.isViewed) { return; } event.preventDefault(); // Limit wheel speed to prevent zoom too fast if (this.wheeling) { return; } this.wheeling = true; setTimeout($.proxy(function () { this.wheeling = false; }, this), 50); if (e.deltaY) { delta = e.deltaY > 0 ? 1 : -1; } else if (e.wheelDelta) { delta = -e.wheelDelta / 120; } else if (e.detail) { delta = e.detail > 0 ? 1 : -1; } this.zoom(-delta * ratio, true, event); }, keydown: function (e) { var options = this.options; var which = e.which; if (!this.isFulled || !options.keyboard) { return; } switch (which) { // (Key: Esc) case 27: if (this.isPlayed) { this.stop(); } else { if (options.inline) { if (this.isFulled) { this.exit(); } } else { this.hide(); } } break; // (Key: Space) case 32: if (this.isPlayed) { this.stop(); } break; // View previous (Key: ←) case 37: this.prev(); break; // Zoom in (Key: ↑) case 38: // Prevent scroll on Firefox e.preventDefault(); this.zoom(options.zoomRatio, true); break; // View next (Key: →) case 39: this.next(); break; // Zoom out (Key: ↓) case 40: // Prevent scroll on Firefox e.preventDefault(); this.zoom(-options.zoomRatio, true); break; // Zoom out to initial size (Key: Ctrl + 0) case 48: // Go to next // Zoom in to natural size (Key: Ctrl + 1) case 49: if (e.ctrlKey || e.shiftKey) { e.preventDefault(); this.toggle(); } break; // No default } }, mousedown: function (event) { var options = this.options; var originalEvent = event.originalEvent; var touches = originalEvent && originalEvent.touches; var e = event; var action = options.movable ? 'move' : false; var touchesLength; if (!this.isViewed) { return; } if (touches) { touchesLength = touches.length; if (touchesLength > 1) { if (options.zoomable && touchesLength === 2) { e = touches[1]; this.startX2 = e.pageX; this.startY2 = e.pageY; action = 'zoom'; } else { return; } } else { if (this.isSwitchable()) { action = 'switch'; } } e = touches[0]; } if (action) { event.preventDefault(); this.action = action; // IE8 has `event.pageX/Y`, but not `event.originalEvent.pageX/Y` // IE10 has `event.originalEvent.pageX/Y`, but not `event.pageX/Y` this.startX = e.pageX || originalEvent && originalEvent.pageX; this.startY = e.pageY || originalEvent && originalEvent.pageY; } }, mousemove: function (event) { var options = this.options; var action = this.action; var $image = this.$image; var originalEvent = event.originalEvent; var touches = originalEvent && originalEvent.touches; var e = event; var touchesLength; if (!this.isViewed) { return; } if (touches) { touchesLength = touches.length; if (touchesLength > 1) { if (options.zoomable && touchesLength === 2) { e = touches[1]; this.endX2 = e.pageX; this.endY2 = e.pageY; } else { return; } } e = touches[0]; } if (action) { event.preventDefault(); if (action === 'move' && options.transition && $image.hasClass(CLASS_TRANSITION)) { $image.removeClass(CLASS_TRANSITION); } this.endX = e.pageX || originalEvent && originalEvent.pageX; this.endY = e.pageY || originalEvent && originalEvent.pageY; this.change(event); } }, mouseup: function (event) { var action = this.action; if (action) { event.preventDefault(); if (action === 'move' && this.options.transition) { this.$image.addClass(CLASS_TRANSITION); } this.action = false; } }, // Show the viewer (only available in modal mode) show: function () { var options = this.options; var $viewer; if (options.inline || this.transitioning) { return; } if (!this.isBuilt) { this.build(); } if ($.isFunction(options.show)) { this.$element.one(EVENT_SHOW, options.show); } if (this.trigger(EVENT_SHOW).isDefaultPrevented()) { return; } this.$body.addClass(CLASS_OPEN); $viewer = this.$viewer.removeClass(CLASS_HIDE); this.$element.one(EVENT_SHOWN, $.proxy(function () { this.view(this.target ? this.$images.index(this.target) : this.index); this.target = false; }, this)); if (options.transition) { this.transitioning = true; $viewer.addClass(CLASS_TRANSITION); forceReflow($viewer[0]); $viewer.one(EVENT_TRANSITIONEND, $.proxy(this.shown, this)).addClass(CLASS_IN); } else { $viewer.addClass(CLASS_IN); this.shown(); } }, // Hide the viewer (only available in modal mode) hide: function () { var options = this.options; var $viewer = this.$viewer; if (options.inline || this.transitioning || !this.isShown) { return; } if ($.isFunction(options.hide)) { this.$element.one(EVENT_HIDE, options.hide); } if (this.trigger(EVENT_HIDE).isDefaultPrevented()) { return; } if (this.isViewed && options.transition) { this.transitioning = true; this.$image.one(EVENT_TRANSITIONEND, $.proxy(function () { $viewer.one(EVENT_TRANSITIONEND, $.proxy(this.hidden, this)).removeClass(CLASS_IN); }, this)); this.zoomTo(0, false, false, true); } else { $viewer.removeClass(CLASS_IN); this.hidden(); } }, /** * View one of the images with image's index * * @param {Number} index */ view: function (index) { var $title = this.$title; var $image; var $item; var $img; var url; var alt; index = Number(index) || 0; if (!this.isShown || this.isPlayed || index < 0 || index >= this.length || this.isViewed && index === this.index) { return; } if (this.trigger(EVENT_VIEW).isDefaultPrevented()) { return; } $item = this.$items.eq(index); $img = $item.find(SELECTOR_IMG); url = $img.data('originalUrl'); alt = $img.attr('alt'); this.$image = $image = $('<img src="' + url + '" alt="' + alt + '">'); if (this.isViewed) { this.$items.eq(this.index).removeClass(CLASS_ACTIVE); } $item.addClass(CLASS_ACTIVE); this.isViewed = false; this.index = index; this.image = null; this.$canvas.html($image.addClass(CLASS_INVISIBLE)); // Center current item this.renderList(); // Clear title $title.empty(); // Generate title after viewed this.$element.one(EVENT_VIEWED, $.proxy(function () { var image = this.image; var width = image.naturalWidth; var height = image.naturalHeight; $title.html(alt + ' (' + width + ' × ' + height + ')'); }, this)); if ($image[0].complete) { this.load(); } else { $image.one(EVENT_LOAD, $.proxy(this.load, this)); if (this.timeout) { clearTimeout(this.timeout); } // Make the image visible if it fails to load within 1s this.timeout = setTimeout($.proxy(function () { $image.removeClass(CLASS_INVISIBLE); this.timeout = false; }, this), 1000); } }, // View the previous image prev: function () { this.view(max(this.index - 1, 0)); }, // View the next image next: function () { this.view(min(this.index + 1, this.length - 1)); }, /** * Move the image with relative offsets * * @param {Number} offsetX * @param {Number} offsetY (optional) */ move: function (offsetX, offsetY) { var image = this.image; this.moveTo( isUndefined(offsetX) ? offsetX : image.left + num(offsetX), isUndefined(offsetY) ? offsetY : image.top + num(offsetY) ); }, /** * Move the image to an absolute point * * @param {Number} x * @param {Number} y (optional) */ moveTo: function (x, y) { var image = this.image; var changed = false; // If "y" is not present, its default value is "x" if (isUndefined(y)) { y = x; } x = num(x); y = num(y); if (this.isViewed && !this.isPlayed && this.options.movable) { if (isNumber(x)) { image.left = x; changed = true; } if (isNumber(y)) { image.top = y; changed = true; } if (changed) { this.renderImage(); } } }, /** * Zoom the image with a relative ratio * * @param {Number} ratio * @param {Boolean} hasTooltip (optional) * @param {jQuery Event} _event (private) */ zoom: function (ratio, hasTooltip, _event) { var image = this.image; ratio = num(ratio); if (ratio < 0) { ratio = 1 / (1 - ratio); } else { ratio = 1 + ratio; } this.zoomTo(image.width * ratio / image.naturalWidth, hasTooltip, _event); }, /** * Zoom the image to an absolute ratio * * @param {Number} ratio * @param {Boolean} hasTooltip (optional) * @param {jQuery Event} _event (private) * @param {Boolean} _zoomable (private) */ zoomTo: function (ratio, hasTooltip, _event, _zoomable) { var options = this.options; var minZoomRatio = 0.01; var maxZoomRatio = 100; var image = this.image; var width = image.width; var height = image.height; var originalEvent; var newWidth; var newHeight; var offset; var center; ratio = max(0, ratio); if (isNumber(ratio) && this.isViewed && !this.isPlayed && (_zoomable || options.zoomable)) { if (!_zoomable) { minZoomRatio = max(minZoomRatio, options.minZoomRatio); maxZoomRatio = min(maxZoomRatio, options.maxZoomRatio); ratio = min(max(ratio, minZoomRatio), maxZoomRatio); } if (ratio > 0.95 && ratio < 1.05) { ratio = 1; } newWidth = image.naturalWidth * ratio; newHeight = image.naturalHeight * ratio; if (_event && (originalEvent = _event.originalEvent)) { offset = this.$viewer.offset(); center = originalEvent.touches ? getTouchesCenter(originalEvent.touches) : { pageX: _event.pageX || originalEvent.pageX || 0, pageY: _event.pageY || originalEvent.pageY || 0 }; // Zoom from the triggering point of the event image.left -= (newWidth - width) * ( ((center.pageX - offset.left) - image.left) / width ); image.top -= (newHeight - height) * ( ((center.pageY - offset.top) - image.top) / height ); } else { // Zoom from the center of the image image.left -= (newWidth - width) / 2; image.top -= (newHeight - height) / 2; } image.width = newWidth; image.height = newHeight; image.ratio = ratio; this.renderImage(); if (hasTooltip) { this.tooltip(); } } }, /** * Rotate the image with a relative degree * * @param {Number} degree */ rotate: function (degree) { this.rotateTo((this.image.rotate || 0) + num(degree)); }, /** * Rotate the image to an absolute degree * https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#rotate() * * @param {Number} degree */ rotateTo: function (degree) { var image = this.image; degree = num(degree); if (isNumber(degree) && this.isViewed && !this.isPlayed && this.options.rotatable) { image.rotate = degree; this.renderImage(); } }, /** * Scale the image * https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#scale() * * @param {Number} scaleX * @param {Number} scaleY (optional) */ scale: function (scaleX, scaleY) { var image = this.image; var changed = false; // If "scaleY" is not present, its default value is "scaleX" if (isUndefined(scaleY)) { scaleY = scaleX; } scaleX = num(scaleX); scaleY = num(scaleY); if (this.isViewed && !this.isPlayed && this.options.scalable) { if (isNumber(scaleX)) { image.scaleX = scaleX; changed = true; } if (isNumber(scaleY)) { image.scaleY = scaleY; changed = true; } if (changed) { this.renderImage(); } } }, /** * Scale the abscissa of the image * * @param {Number} scaleX */ scaleX: function (scaleX) { this.scale(scaleX, this.image.scaleY); }, /** * Scale the ordinate of the image * * @param {Number} scaleY */ scaleY: function (scaleY) { this.scale(this.image.scaleX, scaleY); }, // Play the images play: function () { var options = this.options; var $player = this.$player; var load = $.proxy(this.loadImage, this); var list = []; var total = 0; var index = 0; var playing; if (!this.isShown || this.isPlayed) { return; } if (options.fullscreen) { this.requestFullscreen(); } this.isPlayed = true; $player.addClass(CLASS_SHOW); this.$items.each(function (i) { var $this = $(this); var $img = $this.find(SELECTOR_IMG); var $image = $('<img src="' + $img.data('originalUrl') + '" alt="' + $img.attr('alt') + '">'); total++; $image.addClass(CLASS_FADE).toggleClass(CLASS_TRANSITION, options.transition); if ($this.hasClass(CLASS_ACTIVE)) { $image.addClass(CLASS_IN); index = i; } list.push($image); $image.one(EVENT_LOAD, { filled: false }, load); $player.append($image); }); if (isNumber(options.interval) && options.interval > 0) { playing = $.proxy(function () { this.playing = setTimeout(function () { list[index].removeClass(CLASS_IN); index++; index = index < total ? index : 0; list[index].addClass(CLASS_IN); playing(); }, options.interval); }, this); if (total > 1) { playing(); } } }, // Stop play stop: function () { if (!this.isPlayed) { return; } if (this.options.fullscreen) { this.exitFullscreen(); } this.isPlayed = false; clearTimeout(this.playing); this.$player.removeClass(CLASS_SHOW).empty(); }, // Enter modal mode (only available in inline mode) full: function () { var options = this.options; var $image = this.$image; var $list = this.$list; if (!this.isShown || this.isPlayed || this.isFulled || !options.inline) { return; } this.isFulled = true; this.$body.addClass(CLASS_OPEN); this.$button.addClass(CLASS_FULLSCREEN_EXIT); if (options.transition) { $image.removeClass(CLASS_TRANSITION); $list.removeClass(CLASS_TRANSITION); } this.$viewer.addClass(CLASS_FIXED).removeAttr('style').css('z-index', options.zIndex); this.initContainer(); this.viewer = $.extend({}, this.container); this.renderList(); this.initImage($.proxy(function () { this.renderImage(function () { if (options.transition) { setTimeout(function () { $image.addClass(CLASS_TRANSITION); $list.addClass(CLASS_TRANSITION); }, 0); } }); }, this)); }, // Exit modal mode (only available in inline mode) exit: function () { var options = this.options; var $image = this.$image; var $list = this.$list; if (!this.isFulled) { return; } this.isFulled = false; this.$body.removeClass(CLASS_OPEN); this.$button.removeClass(CLASS_FULLSCREEN_EXIT); if (options.transition) { $image.removeClass(CLASS_TRANSITION); $list.removeClass(CLASS_TRANSITION); } this.$viewer.removeClass(CLASS_FIXED).css('z-index', options.zIndexInline); this.viewer = $.extend({}, this.parent); this.renderViewer(); this.renderList(); this.initImage($.proxy(function () { this.renderImage(function () { if (options.transition) { setTimeout(function () { $image.addClass(CLASS_TRANSITION); $list.addClass(CLASS_TRANSITION); }, 0); } }); }, this)); }, // Show the current ratio of the image with percentage tooltip: function () { var options = this.options; var $tooltip = this.$tooltip; var image = this.image; var classes = [ CLASS_SHOW, CLASS_FADE, CLASS_TRANSITION ].join(' '); if (!this.isViewed || this.isPlayed || !options.tooltip) { return; } $tooltip.text(round(image.ratio * 100) + '%'); if (!this.tooltiping) { if (options.transition) { if (this.fading) { $tooltip.trigger(EVENT_TRANSITIONEND); } $tooltip.addClass(classes); forceReflow($tooltip[0]); $tooltip.addClass(CLASS_IN); } else { $tooltip.addClass(CLASS_SHOW); } } else { clearTimeout(this.tooltiping); } this.tooltiping = setTimeout($.proxy(function () { if (options.transition) { $tooltip.one(EVENT_TRANSITIONEND, $.proxy(function () { $tooltip.removeClass(classes); this.fading = false; }, this)).removeClass(CLASS_IN); this.fading = true; } else { $tooltip.removeClass(CLASS_SHOW); } this.tooltiping = false; }, this), 1000); }, // Toggle the image size between its natural size and initial size toggle: function () { if (this.image.ratio === 1) { this.zoomTo(this.initialImage.ratio, true); } else { this.zoomTo(1, true); } }, // Reset the image to its initial state reset: function () { if (this.isViewed && !this.isPlayed) { this.image = $.extend({}, this.initialImage); this.renderImage(); } }, // Update viewer when images changed update: function () { var $this = this.$element; var $images = this.$images; var indexes = []; var index; if (this.isImg) { // Destroy viewer if the target image was deleted if (!$this.parent().length) { return this.destroy(); } } else { this.$images = $images = $this.find(SELECTOR_IMG); this.length = $images.length; } if (this.isBuilt) { $.each(this.$items, function (i) { var img = $(this).find('img')[0]; var image = $images[i]; if (image) { if (image.src !== img.src) { indexes.push(i); } } else { indexes.push(i); } }); this.$list.width('auto'); this.initList(); if (this.isShown) { if (this.length) { if (this.isViewed) { index = $.inArray(this.index, indexes); if (index >= 0) { this.isViewed = false; this.view(max(this.index - (index + 1), 0)); } else { this.$items.eq(this.index).addClass(CLASS_ACTIVE); } } } else { this.$image = null; this.isViewed = false; this.index = 0; this.image = null; this.$canvas.empty(); this.$title.empty(); } } } }, // Destroy the viewer destroy: function () { var $this = this.$element; if (this.options.inline) { this.unbind(); } else { if (this.isShown) { this.unbind(); } $this.off(EVENT_CLICK, this.start); } this.unbuild(); $this.removeData(NAMESPACE); }, // A shortcut for triggering custom events trigger: function (type, data) { var e = $.Event(type, data); this.$element.trigger(e); return e; }, shown: function () { var options = this.options; this.transitioning = false; this.isFulled = true; this.isShown = true; this.isVisible = true; this.render(); this.bind(); if ($.isFunction(options.shown)) { this.$element.one(EVENT_SHOWN, options.shown); } this.trigger(EVENT_SHOWN); }, hidden: function () { var options = this.options; this.transitioning = false; this.isViewed = false; this.isFulled = false; this.isShown = false; this.isVisible = false; this.unbind(); this.$body.removeClass(CLASS_OPEN); this.$viewer.addClass(CLASS_HIDE); this.resetList(); this.resetImage(); if ($.isFunction(options.hidden)) { this.$element.one(EVENT_HIDDEN, options.hidden); } this.trigger(EVENT_HIDDEN); }, requestFullscreen: function () { var documentElement = document.documentElement; if (this.isFulled && !document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) { if (documentElement.requestFullscreen) { documentElement.requestFullscreen(); } else if (documentElement.msRequestFullscreen) { documentElement.msRequestFullscreen(); } else if (documentElement.mozRequestFullScreen) { documentElement.mozRequestFullScreen(); } else if (documentElement.webkitRequestFullscreen) { documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); } } }, exitFullscreen: function () { if (this.isFulled) { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } } }, change: function (event) { var offsetX = this.endX - this.startX; var offsetY = this.endY - this.startY; switch (this.action) { // Move the current image case 'move': this.move(offsetX, offsetY); break; // Zoom the current image case 'zoom': this.zoom(function (x1, y1, x2, y2) { var z1 = sqrt(x1 * x1 + y1 * y1); var z2 = sqrt(x2 * x2 + y2 * y2); return (z2 - z1) / z1; }( abs(this.startX - this.startX2), abs(this.startY - this.startY2), abs(this.endX - this.endX2), abs(this.endY - this.endY2) ), false, event); this.startX2 = this.endX2; this.startY2 = this.endY2; break; case 'switch': this.action = 'switched'; if (abs(offsetX) > abs(offsetY)) { if (offsetX > 1) { this.prev(); } else if (offsetX < -1) { this.next(); } } break; // No default } // Override this.startX = this.endX; this.startY = this.endY; }, isSwitchable: function () { var image = this.image; var viewer = this.viewer; return (image.left >= 0 && image.top >= 0 && image.width <= viewer.width && image.height <= viewer.height); } }; Viewer.DEFAULTS = { // Enable inline mode inline: false, // Show the button on the top-right of the viewer button: true, // Show the navbar navbar: true, // Show the title title: true, // Show the toolbar toolbar: true, // Show the tooltip with image ratio (percentage) when zoom in or zoom out tooltip: true, // Enable to move the image movable: true, // Enable to zoom the image zoomable: true, // Enable to rotate the image rotatable: true, // Enable to scale the image scalable: true, // Enable CSS3 Transition for some special elements transition: true, // Enable to request fullscreen when play fullscreen: true, // Enable keyboard support keyboard: true, // Define interval of each image when playing interval: 5000, // Min width of the viewer in inline mode minWidth: 200, // Min height of the viewer in inline mode minHeight: 100, // Define the ratio when zoom the image by wheeling mouse zoomRatio: 0.1, // Define the min ratio of the image when zoom out minZoomRatio: 0.01, // Define the max ratio of the image when zoom in maxZoomRatio: 100, // Define the CSS `z-index` value of viewer in modal mode. zIndex: 2015, // Define the CSS `z-index` value of viewer in inline mode. zIndexInline: 0, // Define where to get the original image URL for viewing // Type: String (an image attribute) or Function (should return an image URL) url: 'src', // Event shortcuts build: null, built: null, show: null, shown: null, hide: null, hidden: null, view: null, viewed: null }; Viewer.setDefaults = function (options) { $.extend(Viewer.DEFAULTS, options); }; Viewer.TEMPLATE = ( '<div class="viewer-container">' + '<div class="viewer-canvas"></div>' + '<div class="viewer-footer">' + '<div class="viewer-title"></div>' + '<ul class="viewer-toolbar">' + '<li class="viewer-zoom-in" data-action="zoom-in"></li>' + '<li class="viewer-zoom-out" data-action="zoom-out"></li>' + '<li class="viewer-one-to-one" data-action="one-to-one"></li>' + '<li class="viewer-reset" data-action="reset"></li>' + '<li class="viewer-prev" data-action="prev"></li>' + '<li class="viewer-play" data-action="play"></li>' + '<li class="viewer-next" data-action="next"></li>' + '<li class="viewer-rotate-left" data-action="rotate-left"></li>' + '<li class="viewer-rotate-right" data-action="rotate-right"></li>' + '<li class="viewer-flip-horizontal" data-action="flip-horizontal"></li>' + '<li class="viewer-flip-vertical" data-action="flip-vertical"></li>' + '</ul>' + '<div class="viewer-navbar">' + '<ul class="viewer-list"></ul>' + '</div>' + '</div>' + '<div class="viewer-tooltip"></div>' + '<div class="viewer-button" data-action="mix"></div>' + '<div class="viewer-player"></div>' + '</div>' ); // Save the other viewer Viewer.other = $.fn.viewer; // Register as jQuery plugin $.fn.viewer = function (options) { var args = toArray(arguments, 1); var result; this.each(function () { var $this = $(this); var data = $this.data(NAMESPACE); var fn; if (!data) { if (/destroy|hide|exit|stop|reset/.test(options)) { return; } $this.data(NAMESPACE, (data = new Viewer(this, options))); } if (isString(options) && $.isFunction(fn = data[options])) { result = fn.apply(data, args); } }); return isUndefined(result) ? this : result; }; $.fn.viewer.Constructor = Viewer; $.fn.viewer.setDefaults = Viewer.setDefaults; // No conflict $.fn.viewer.noConflict = function () { $.fn.viewer = Viewer.other; return this; }; });
1、在属性data-original中存放显示弹框后的图片路径,alt中的文字将作为图片的标题,显示在弹框中图片的下方
2、兼容到IE8,但是低版本浏览器中无法旋转