☰

Image Viewer

inject this script into any page, and RIGHT-CLICK on the image you want to view full-size

当前为 2014-05-04 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name       Image Viewer
  3. // @namespace  https://gist.github.com/bradenbest/04bd0fc2d57ec650449f
  4. // @version    1.5.2
  5. // @description  inject this script into any page, and RIGHT-CLICK on the image you want to view full-size
  6. // @copyright  2014 - present, Braden Best
  7. // ==/UserScript==
  8.  
  9. (function initialize(init){
  10.   var init = init || 0;
  11.   var firefox = /Firefox/i.test(navigator.userAgent);
  12.   function push(url){
  13.     var img = document.createElement('img'),
  14.         img_helper = document.createElement('div'),
  15.         img_helper_link = document.createElement('a');
  16.     // Image
  17.     img.src = url;
  18.     img.style.position = 'absolute';
  19.     img.style.left = '0px';
  20.     img.style.top  = (80 + document.body.scrollTop) + 'px';
  21.     img.style.zIndex = '2147483647'; // this is to push it above everything else, so the NG navbar doesn't float over it.
  22.     img.className = 'img_viewer';
  23.     img.draggable = 'false';
  24.     img.dragging = 0;
  25.     img.mousepos = [0,0];
  26.     img.tabIndex = 0;
  27.     // Image helper
  28.     img_helper.innerHTML = "Click here to close image";
  29.     img_helper.style.position = 'fixed';
  30.     img_helper.style.left = '0px';
  31.     img_helper.style.top  = '0px';
  32.     img_helper.style.margin = '0';
  33.     img_helper.style.padding = '5px 0';
  34.     img_helper.style.width = '100%';
  35.     img_helper.style.height='50px';
  36.     img_helper.style.background = '#fff';
  37.     img_helper.style.borderBottom = '1px solid #ccc';
  38.     img_helper.style.color = '#000';
  39.     img_helper.style.fontSize = '12px';
  40.     img_helper.style.textAlign = 'center';
  41.     img_helper.style.zIndex = '2147483647'; // The absolute maximum
  42.     img_helper.className = 'img_viewer';
  43.     // Image helper link
  44.     img_helper_link.innerHTML = 'Direct URL';
  45.     img_helper_link.href = url;
  46.     img_helper_link.target = '_blank';
  47.     img_helper_link.style.margin = '0';
  48.     img_helper_link.style.padding = '0';
  49.     img_helper_link.style.background = '#fff';
  50.     img_helper_link.style.borderBottom = '1px solid #ccc';
  51.     img_helper_link.style.display = 'block';
  52.     img_helper_link.style.width = '100%';
  53.     img_helper_link.style.height = '20px';
  54.     img_helper_link.style.position = 'fixed';
  55.     img_helper_link.style.left = '0';
  56.     img_helper_link.style.top = '50px';
  57.     img_helper_link.style.fontSize = '12px';
  58.     img_helper_link.style.textAlign = 'center';
  59.     img_helper_link.style.zIndex = '2147483647';
  60.     img_helper_link.className = 'img_viewer';
  61.     // append to body
  62.     document.body.appendChild(img_helper);
  63.     document.body.appendChild(img_helper_link);
  64.     document.body.appendChild(img);
  65.     // helper on-click
  66.     img_helper.onclick = function(){
  67.       document.body.removeChild(img);
  68.       document.body.removeChild(img_helper);
  69.       document.body.removeChild(img_helper_link);
  70.     }
  71.     if(firefox){ // I hate browser sniffing, but my hand is forced
  72.       img.onmousedown = function(evt){
  73.         this.dragging = !this.dragging;
  74.         this.mousepos[0] = (evt.clientX || evt.pageX);
  75.         this.mousepos[1] = (evt.clientY || evt.pageY);
  76.       }
  77.       img.onmouseup = null;
  78.     } else {
  79.       img.onmousedown = function(evt){
  80.         this.dragging = 1;
  81.         this.mousepos[0] = (evt.clientX || evt.pageX);
  82.         this.mousepos[1] = (evt.clientY || evt.pageY);
  83.       }
  84.       img.onmouseup = function(evt){
  85.         this.dragging = 0;
  86.       }
  87.     }
  88.     img.onmousemove = function(evt){ // Hoo boy, that was pretty difficult to figure out
  89.       if(this.dragging){
  90.         lastX = this.mousepos[0];
  91.         curX = (evt.clientX || evt.pageX);
  92.         lastY = this.mousepos[1];
  93.         curY = (evt.clientY || evt.pageY);
  94.         if(!(lastX == curX && lastY == curY)){
  95.           console.log("mouse has moved");
  96.           if(curX > lastX){
  97.             this.style.left = (parseInt(this.style.left) + (curX - lastX)) + 'px';
  98.           }
  99.           if(curX < lastX){
  100.             this.style.left = (parseInt(this.style.left) - (lastX - curX)) + 'px';
  101.           }
  102.           if(curY > lastY){
  103.             this.style.top = (parseInt(this.style.top) + (curY - lastY)) + 'px';
  104.           }
  105.           if(curY < lastY){
  106.             this.style.top = (parseInt(this.style.top) - (lastY - curY)) + 'px';
  107.           }
  108.         }
  109.         this.mousepos[0] = curX;
  110.         this.mousepos[1] = curY;
  111.       }
  112.       return false;
  113.     }
  114.     img.onkeydown = function(evt){
  115.       var temp_width;
  116.       if(evt.keyCode == 38) { // Up
  117.         temp_width = parseInt(this.width);
  118.         temp_height = parseInt(this.height) - 10;
  119.         this.width = temp_width;
  120.         this.height = temp_height;
  121.       } 
  122.       if(evt.keyCode == 40) { // Down
  123.         temp_width = parseInt(this.width);
  124.         temp_height = parseInt(this.height) + 10;
  125.         this.width = temp_width;
  126.         this.height = temp_height;
  127.       }
  128.       if(evt.keyCode == 37) { // Left
  129.         temp_width = parseInt(this.width) - 10;
  130.         temp_height = parseInt(this.height);
  131.         this.width = temp_width;
  132.         this.height = temp_height;
  133.       }
  134.       if(evt.keyCode == 39) { // Right
  135.         temp_width = parseInt(this.width) + 10;
  136.         temp_height = parseInt(this.height);
  137.         this.width = temp_width;
  138.         this.height = temp_height;
  139.       }
  140.       return false;
  141.     }
  142.   }
  143.  
  144.   function clear(){
  145.     var imgs = document.querySelectorAll('.img_viewer');
  146.     if(imgs[0]) {
  147.       for(var i = 0; i < imgs.length; i++){
  148.         document.body.removeChild(imgs[i]);
  149.       }
  150.     } else {
  151.       console.log("No images generated by this script were found");
  152.     }
  153.   }
  154.  
  155.   var imgs = document.querySelectorAll('img[src]'), i;
  156.   if(imgs[0]){
  157.     for(i = 0; i < imgs.length; i++){
  158.       if(imgs[i].src){
  159.         imgs[i].oncontextmenu = function(){
  160.           push(this.src);
  161.           return false;
  162.         }
  163.       }
  164.     }
  165.   } else {
  166.     console.log("Something has gone wrong!");
  167.   }
  168.   if(!firefox){
  169.     document.body.onmouseup = function(evt){
  170.       var imgs = document.querySelectorAll('.img_viewer');
  171.       if(imgs[0]){
  172.         for(var i = 0; i < imgs.length; i++){
  173.            imgs[i].dragging = 0;
  174.         }
  175.       }
  176.     }
  177.   }
  178.   document.body.onkeydown = function(evt){
  179.     if(evt.keyCode == 27){ // Escape key
  180.       clear();
  181.     }
  182.     if(evt.keyCode == 17){ // Ctrl
  183.       //clear();
  184.       initialize(1);
  185.     }
  186.   }
  187.   if(!init){
  188.     console.log("Image Viewer successfully started up!");
  189.     console.log("Try right-clicking an image");
  190.   }else{
  191.     console.log("Queue updated");
  192.   }
  193. })();

欢迎访问Greasy Fork镜像

土豆服务器，请按需使用

镜像地址随时可能被墙，建议加群获取最新地址

加入Q群

QingJ © 2025

镜像随时可能失效，请加Q群300939539或关注我们的公众号极客氢云获取最新地址