您需要先安装一个扩展,例如 篡改猴、Greasemonkey 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 Userscripts ,之后才能安装此脚本。
您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。
您需要先安装用户脚本管理器扩展后才能安装此脚本。
找了很多图片放大的脚本,都没有一个能用的,只有自己写。脚本还不够完美,但大部分网站的图片都可以已支持悬浮放大了。
当前为
// ==UserScript== // @name 图片鼠标悬浮放大 // @author 大师兄 // @namespace https://greasyfork.org/zh-CN/scripts/431480-%E5%9B%BE%E7%89%87%E9%BC%A0%E6%A0%87%E6%82%AC%E6%B5%AE%E6%94%BE%E5%A4%A7 // @version 1.0 // @description 找了很多图片放大的脚本,都没有一个能用的,只有自己写。脚本还不够完美,但大部分网站的图片都可以已支持悬浮放大了。 // @include * // @browsers * // ==/UserScript== (function () { // === User Configuration === var zoomFactorClick = 1.5, // zoom in/out by this factor each time zoomFactorMouseWheel = 1.2, // just hover the toolbar (any button) and use the wheel showTimeout = 1.2, // seconds minimalImageWidth = 60, // minimal width of the images the toolbar is activated for minimalImageHeight = 50, // minimal height of the images the toolbar is activated for opacity = 0.80, // opacity for the toolbar fade = false, // use fade animation when showing the toolbar darkStyle = false, // use dark style for the toolbar zIndexFix = true; // try to keep the zoomed image on top of other elements on the page // === Code === var toolbars = {}, images, image; var Toolbar = function(name, className) { this.name = name; this.className = className; this.elm = document.createElement('div'); this.buttons = {}; this.showAniInt = 0; this.showTimeout = 0; this.init(); } Toolbar.prototype = { init: function() { toolbars[this.name] = this; this.elm.className = this.className; var self = this; this.elm.addEventListener('mouseout', function(e) { self.mouseout(e); }, false); this.elm.addEventListener('DOMMouseScroll', function(e) { self.mousewheel(e); }, false); this.elm.addEventListener('mousewheel', function(e) { self.mousewheel(e); }, false); document.getElementsByTagName('body')[0].appendChild(this.elm); }, show: function() { if (this.showTimeout) return; var self = this; this.showTimeout = setTimeout(function() { var clientRect = image.getBoundingClientRect(), scrollX = window.pageXOffset + 4, // add some pixels for aesthetics :) scrollY = window.pageYOffset + 4, left = clientRect.left + scrollX + image.clientLeft, top = clientRect.top + scrollY + image.clientTop, elmStyle = self.elm.style; if (left < scrollX) left = scrollX; if (top < scrollY) top = scrollY; elmStyle.left = left + 'px'; elmStyle.top = top + 'px'; elmStyle.opacity = fade ? 0.1 : opacity; elmStyle.display = 'block'; if (fade) self.showAniInt = setInterval(function() { var currOpacity = parseFloat(elmStyle.opacity); if (currOpacity + 0.1 >= opacity) { elmStyle.opacity = opacity; clearInterval(self.showAniInt); } else { elmStyle.opacity = currOpacity + 0.1; } }, 30); if (image._originalProps.position == 'static') { var imageStyle = image.style; imageStyle.position = 'relative'; imageStyle.zIndex = 1; } }, showTimeout * 1000); }, hide: function() { if (this.showAniInt) { clearInterval(this.showAniInt); this.showAniInt = 0; } if (this.showTimeout) { clearTimeout(this.showTimeout); this.showTimeout = 0; } var elmStyle = this.elm.style; elmStyle.display = 'none'; elmStyle.opacity = 0; if (image._originalProps.position == 'static') image.style.position = 'static'; }, mouseover: function(e) { image = e.target; if (!image._originalProps) { image._originalProps = { width: parseInt(DOM.getStyle(image, 'width')), height: parseInt(DOM.getStyle(image, 'height')) } if (zIndexFix && DOM.getStyle(image, 'position') == 'static') image._originalProps.position = 'static'; } this.show(); }, mouseout: function(e) { if (!e.relatedTarget || e.relatedTarget != image && e.relatedTarget != this.elm && e.relatedTarget.parentNode != this.elm) this.hide(); }, mousewheel: function(e) { var delta = e.wheelDelta || -e.detail, imageStyle = image.style, width = parseInt(DOM.getStyle(image, 'width')), height = parseInt(DOM.getStyle(image, 'height')); if (delta < 0) { imageStyle.width = width / zoomFactorMouseWheel + 'px'; imageStyle.height = height / zoomFactorMouseWheel + 'px'; } else { imageStyle.width = width * zoomFactorMouseWheel + 'px'; imageStyle.height = height * zoomFactorMouseWheel + 'px'; } e.preventDefault(); return false; }, addButton: function(button) { this.buttons[button.name] = button; this.elm.appendChild(button.elm); }, removeButton: function(name) { var button = this.buttons[name]; if (button) { button.disable(); this.elm.removeChild(button.elm); delete this.buttons[name]; } }, getButtonByName: function(name) { return this.buttons[name] || null; } } var Button = function(name, className, title, contentHTML, handlers) { this.name = name; this.className = className; this.title = title; this.handlers = { mouseover: function() { DOM.addClass(this, 'hover'); }, mouseout: function() { DOM.removeClass(this, 'hover'); DOM.removeClass(this, 'down'); }, mousedown: function() { DOM.addClass(this, 'down'); }, mouseup: function() { DOM.removeClass(this, 'down'); } }; for (var i in handlers) this.handlers[i] = handlers[i]; this.contentHTML = contentHTML; this.elm = document.createElement('span'); this.init(); } Button.prototype = { init: function(button) { this.elm.className = this.className; this.elm.setAttribute('title', this.title); if (this.contentHTML) this.elm.innerHTML = this.contentHTML; this.enable(); }, disable: function() { for (var i in this.handlers) this.elm.removeEventListener(i, this.handlers[i], false); DOM.addClass(this.elm, 'disabled'); }, enable: function() { for (var i in this.handlers) this.elm.addEventListener(i, this.handlers[i], false); DOM.removeClass(this.elm, 'disabled'); }, hide: function() { this.elm.style.display = 'none'; }, show: function() { this.elm.style.display = ''; } } var DOM = { addCSS: function(cssText) { var style = document.createElement('style'); style.setAttribute('type', 'text/css'); style.setAttribute('media', 'screen,projection'); style.appendChild(document.createTextNode(cssText)); document.getElementsByTagName('head')[0].appendChild(style); }, hasClass: function(elm, className) { return (' ' + elm.className + ' ').indexOf(' ' + className + ' ') > -1; }, addClass: function(elm, className) { if (this.hasClass(elm, className)) return; var c = elm.className; elm.className = (c ? c + ' ' : '') + className; }, removeClass: function(elm, className) { if (!this.hasClass(elm, className)) return; elm.className = (' ' + elm.className).replace(' ' + className, '').substring(1); }, getStyle: function(elm, prop) { return window.getComputedStyle(elm, null).getPropertyValue(prop); } } // === Hook the images === images = document.getElementsByTagName('img'); for (var i = 0; image = images[i++]; ) { if (parseInt(DOM.getStyle(image, 'width')) >= minimalImageWidth && parseInt(DOM.getStyle(image, 'height')) >= minimalImageHeight) { image.addEventListener('mouseover', function(e) { zoomToolbar.mouseover(e); }, false); image.addEventListener('mousemove', function(e) { zoomToolbar.mouseover(e); }, false); image.addEventListener('mouseout', function(e) { zoomToolbar.mouseout(e); }, false); image.addEventListener('mousewheel', function() { zoomToolbar.hide(); }, false); image.addEventListener('DOMMouseScroll', function() { zoomToolbar.hide(); }, false); } } // === Add the CSS to the document === DOM.addCSS('\ .zoom-image-toolbar {\ display:none;\ position:absolute;\ width:auto;\ height:auto;\ border:0;\ border-radius:20px;\ -webkit-border-radius:20px;\ -moz-border-radius:20px;\ background-color:#fff;\ box-shadow:0 1px 3px rgba(0, 0, 0, 0.3);\ -webkit-box-shadow:0 1px 3px rgba(0, 0, 0, 0.3);\ -moz-box-shadow:0 1px 3px rgba(0, 0, 0, 0.3);\ z-index:100;\ }\ .zoom-image-toolbar span {\ display:block;\ float:left;\ outline:none;\ margin:1px;\ border:0;\ border-radius:20px;\ -webkit-border-radius:20px;\ -moz-border-radius:20px;\ font:10px/12px "Lucida Sans Unicode",arial,sans-serif;\ text-decoration:none;\ background-color:#fff;\ background-repeat:no-repeat;\ background-position:center center;\ color:#555;\ width:14px;\ height:14px;\ cursor:default;\ }\ .zoom-image-toolbar span.hover {\ background-color:#ccc;\ }\ .zoom-image-toolbar span.down {\ box-shadow:inset 0 1px 0 rgba(0, 0, 0, 0.3);\ -moz-box-shadow:inset 0 1px 0 rgba(0, 0, 0, 0.3);\ background-color:#999;\ color:#fff;\ }\ .zoom-image-toolbar span.disabled {\ opacity:0.5 !important;\ }\ .zoom-image-toolbar span.zoom-in-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAeSURBVHjaYmBEAgyYHAYGwhwGKMDkEGkADhcABBgAI/QAdQc9G64AAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.down.zoom-in-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAeSURBVHjaYmBEAgyYHAYGwhwGKMDkEGkADhcABBgAI/QAdQc9G64AAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.zoom-out-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAYSURBVHjaYmBEAgzkcRigAJNDmdEAAQYAJ5wAgdXvhVYAAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.down.zoom-out-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAYSURBVHjaYmBEAgzkcRigAJNDmdEAAQYAJ5wAgdXvhVYAAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.reset-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAoSURBVHjaYmBEAgwYHAYkDgMShwECsHDAyuAcRhQOIxoHh6UwABBgACP7AHdy3jk4AAAAAElFTkSuQmCC");\ }\ .zoom-image-toolbar span.down.reset-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAoSURBVHjaYmBEAgwYHAYkDgMShwECsHDAyuAcRhQOIxoHh6UwABBgACP7AHdy3jk4AAAAAElFTkSuQmCC");\ }\ .zoom-image-toolbar span.text-button {\ width:auto;\ padding:0 3px;\ }\ '); if (darkStyle) DOM.addCSS('\ .zoom-image-toolbar {\ background-color:#000;\ }\ .zoom-image-toolbar span {\ background-color:#000;\ color:#fff;\ }\ .zoom-image-toolbar span.hover {\ background-color:#555;\ }\ .zoom-image-toolbar span.down {\ background-color:#ccc;\ color:#555;\ }\ .zoom-image-toolbar span.zoom-in-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAeSURBVHjaYmBEAgyYHAYGwhwGKMDkEGkADhcABBgAI/QAdQc9G64AAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.down.zoom-in-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAeSURBVHjaYmBEAgyYHAYGwhwGKMDkEGkADhcABBgAI/QAdQc9G64AAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.zoom-out-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAYSURBVHjaYmBEAgzkcRigAJNDmdEAAQYAJ5wAgdXvhVYAAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.down.zoom-out-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAYSURBVHjaYmBEAgzkcRigAJNDmdEAAQYAJ5wAgdXvhVYAAAAASUVORK5CYII=");\ }\ .zoom-image-toolbar span.reset-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEXy8vL////jGPreAAAAAnRSTlP/AOW3MEoAAAAoSURBVHjaYmBEAgwYHAYkDgMShwECsHDAyuAcRhQOIxoHh6UwABBgACP7AHdy3jk4AAAAAElFTkSuQmCC");\ }\ .zoom-image-toolbar span.down.reset-button {\ background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABlBMVEVVVVX////1urmyAAAAAnRSTlP/AOW3MEoAAAAoSURBVHjaYmBEAgwYHAYkDgMShwECsHDAyuAcRhQOIxoHh6UwABBgACP7AHdy3jk4AAAAAElFTkSuQmCC");\ }\ '); // === Create the toolbar and buttons === var zoomToolbar = new Toolbar('zoomToolbar', 'zoom-image-toolbar'), zoomInButton = new Button('zoomInButton', 'zoom-in-button', 'Zoom In', '', { click: function() { var imageStyle = image.style, width = parseInt(DOM.getStyle(image, 'width')), height = parseInt(DOM.getStyle(image, 'height')); imageStyle.width = width * zoomFactorClick + 'px'; imageStyle.height = height * zoomFactorClick + 'px'; } }), zoomOutButton = new Button('zoomOutButton', 'zoom-out-button', 'Zoom Out', '', { click: function() { var imageStyle = image.style, width = parseInt(DOM.getStyle(image, 'width')), height = parseInt(DOM.getStyle(image, 'height')); imageStyle.width = width / zoomFactorClick + 'px'; imageStyle.height = height / zoomFactorClick + 'px'; } }), resetButton = new Button('resetButton', 'reset-button', 'Reset Image Size', '', { click: function() { var imageStyle = image.style; imageStyle.width = image._originalProps.width + 'px'; imageStyle.height = image._originalProps.height + 'px'; zoomToolbar.hide(); } }); zoomToolbar.addButton(zoomInButton); zoomToolbar.addButton(zoomOutButton); zoomToolbar.addButton(resetButton); /* You can add more custom buttons if you like - here are some that are disabled by default */ /* var openButton = new Button('openButton', 'text-button', 'Open Image in New Window', 'open', { click: function() { window.open(image.src); zoomToolbar.hide(); } }); zoomToolbar.addButton(openButton); */ /* var sizeButton = new Button('sizeButton', 'text-button', 'Show Image Dimensions', 'size', { click: function() { alert('Original Dimensions: ' + image._originalProps.width + ' x ' + image._originalProps.height + ' pixels'); zoomToolbar.hide(); } }); zoomToolbar.addButton(sizeButton); */ })();