在新标签页中直接打开图片时，会将图片居中显示并且增加一个下载按钮，点击下载按钮可以直接下载该图片
// ==UserScript==
// @name 标签页打开图片增加下载按钮
// @namespace http://www.baidu.com/p/%E6%B1%82%E7%9F%A5%E8%80%85wzx
// @version 0.3.1
// @description 在新标签页中直接打开图片时，会将图片居中显示并且增加一个下载按钮，点击下载按钮可以直接下载该图片
// @description v0.2 下载按钮支持拖动；新增bmp,ico,avif格式图片支持；调整背景和图片边界，是图片不至于和背景融于一体
// @description v0.3 修改鼠标指向按钮时的样式；透明图片显示格子背景；v0.3.1 修复Firefox中图片到屏幕外的问题
// @author bluesky
// @include */*.bmp
// @include */*.avif
// @include */*.ico
// @include */*.jpg
// @include */*.jpeg
// @include */*.png
// @include */*.gif
// @include */*.webp
// @include *://desk.zol.com.cn/showpic/*
// @include *://*.sogou*.com/*.jpg?f=download
// @include *.bmp?*
// @include *.avif?*
// @include *.ico?*
// @include *.jpg?*
// @include *.jpeg?*
// @include *.png?*
// @include *.gif?*
// @include *.webp?*
// @license GPLv3
// @grant none
// @require http://libs.baidu.com/jquery/1.11.1/jquery.min.js
// ==/UserScript==
var currentUrl = window.location.href;
var body = $("body");
body.css("background-color","#303030");
body.css("text-align","center");
body.css("height","100vh");
var url = "none";
var imgDiv = $("img");
// 添加style标签
var styleTag = document.createElement('style')
styleTag.type = 'text/css'
styleTag.appendChild(document.createTextNode('body>img {border: 1px dotted #959595;background-color: #fff !important;background-image: linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 25%),linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 25%);background-size: 20px 20px;background-position: 0px 0px, 10px 10px;}'))
var head = document.getElementsByTagName('head')[0]
head.appendChild(styleTag)
var style = "style='width: 42px; height: 42px; margin: 0px 10px; background-position-x: 0px;overflow: hidden;background: transparent 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) no-repeat;background-position: 0 -168px;'";
function getUrl() {
url = imgDiv.attr("src");
if (url != "none") {
//生成下载按钮
var newA = document.createElement("a");
newA.title = "点击下载壁纸";
newA.style = "float:left; position: fixed; top: 15px; left:15px; border-radius:5px; background-color:rgba(99, 99, 99, 0.35);";
newA.draggable="true";
newA.href = url;
var width = document.getElementsByTagName("img")[0].naturalWidth;
var height = document.getElementsByTagName("img")[0].naturalHeight;
var fileName = url.substr(url.lastIndexOf('/') + 1,url.lastIndexOf('?')-url.lastIndexOf('/') - 1);
if(fileName==""){
fileName = url.substr(url.lastIndexOf('/') + 1);
}
var preName = fileName.substr(0,fileName.lastIndexOf('.'));
var subName = fileName.substr(fileName.lastIndexOf('.'));
newA.download = preName+"_"+width+"x"+height+subName;
// 【360极速浏览器】针对自用魔改版360极速浏览器特殊优化
if(url.indexOf("qhimg.com")!=-1){
newA.download = "360Chrome_" + preName+"_"+width+"x"+height+subName;
}
newA.innerHTML = "<div class='sc_light_1'><div id='downloadPic' " + style + "></div></div>";
imgDiv.after(newA);
var downloadPic = $("#downloadPic");
downloadPic.mouseenter(function() {
downloadPic.css("margin", "0px 10px");
downloadPic.css("background-position-x", "-252px");
});
downloadPic.mouseout(function() {
downloadPic.css("margin", "0px 10px");
downloadPic.css("background-position-x", "0px");
});
var isChineseVersionPage = "none";
//结束计时器
clearInterval(timer);
$('body>a').each(function(){
$(this).dragging({
move : 'both',
randomPosition : false
});
});
} else {
getUrl();
}
}
var timer = setInterval(getUrl, 500);
$.fn.extend({
//---元素拖动插件
dragging:function(data){
var $this = $(this);
var xPage;
var yPage;
var X;//
var Y;//
var xRand = 0;//
var yRand = 0;//
var father = $this.parent();
var defaults = {
move : 'both',
randomPosition : true ,
hander:1
}
var opt = $.extend({},defaults,data);
var movePosition = opt.move;
var random = opt.randomPosition;
var hander = opt.hander;
if(hander == 1){
hander = $this;
}else{
hander = $this.find(opt.hander);
}
//---初始化
father.css({"position":"relative","overflow":"hidden"});
$this.css({"position":"absolute"});
//hander.css({"cursor":"move"});
var faWidth = father.width();
var faHeight = father.height();
var thisWidth = $this.width()+parseInt($this.css('padding-left'))+parseInt($this.css('padding-right'));
var thisHeight = $this.height()+parseInt($this.css('padding-top'))+parseInt($this.css('padding-bottom'));
var mDown = false;//
var positionX;
var positionY;
var moveX ;
var moveY ;
if(random){
$thisRandom();
}
function $thisRandom(){ //随机函数
$this.each(function(index){
var randY = parseInt(Math.random()*(faHeight-thisHeight));///
var randX = parseInt(Math.random()*(faWidth-thisWidth));///
if(movePosition.toLowerCase() == 'x'){
$(this).css({
left:randX
});
}else if(movePosition.toLowerCase() == 'y'){
$(this).css({
top:randY
});
}else if(movePosition.toLowerCase() == 'both'){
$(this).css({
top:randY,
left:randX
});
}
});
}
hander.mousedown(function(e){
father.children().css({"zIndex":"0"});
$this.css({"zIndex":"1"});
mDown = true;
X = e.pageX;
Y = e.pageY;
positionX = $this.position().left;
positionY = $this.position().top;
return false;
});
$(document).mouseup(function(e){
if(X != e.pageX && Y != e.pageY){
$("a").click(function(event) {
return false;//阻止链接跳转
});
} else {
$("a").unbind("click");//恢复链接跳转
}
mDown = false;
});
$(document).mousemove(function(e){
xPage = e.pageX;//--
moveX = positionX+xPage-X;
yPage = e.pageY;//--
moveY = positionY+yPage-Y;
function thisXMove(){ //x轴移动
if(mDown == true){
$this.css({"left":moveX});
}else{
return;
}
if(moveX < 0){
$this.css({"left":"0"});
}
if(moveX > (faWidth-thisWidth)){
$this.css({"left":faWidth-thisWidth});
}
return moveX;
}
function thisYMove(){ //y轴移动
if(mDown == true){
$this.css({"top":moveY});
}else{
return;
}
if(moveY < 0){
$this.css({"top":"0"});
}
if(moveY > (faHeight-thisHeight)){
$this.css({"top":faHeight-thisHeight});
}
return moveY;
}
function thisAllMove(){ //全部移动
if(mDown == true){
$this.css({"left":moveX,"top":moveY});
}else{
return;
}
if(moveX < 0){
$this.css({"left":"0"});
}
if(moveX > (faWidth-thisWidth)){
$this.css({"left":faWidth-thisWidth});
}
if(moveY < 0){
$this.css({"top":"0"});
}
if(moveY > (faHeight-thisHeight)){
$this.css({"top":faHeight-thisHeight});
}
}
if(movePosition.toLowerCase() == "x"){
thisXMove();
}else if(movePosition.toLowerCase() == "y"){
thisYMove();
}else if(movePosition.toLowerCase() == 'both'){
thisAllMove();
}
});
}
});