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LargeBooru

Increases the thumbnail size for Danbooru

当前为 2017-02-27 提交的版本，查看 最新版本。

// ==UserScript==
// @name          LargeBooru
// @namespace     largebooru
// @version       1.20
// @description   Increases the thumbnail size for Danbooru
// @run-at        document-end
// @include       http://*.donmai.us/*
// @include       https://*.donmai.us/*
// @exclude       http://*.donmai.us/data/*
// @exclude       https://*.donmai.us/data/*
// ==/UserScript==

//----User defined variables----
var dimensions = 300;
var gap = 10;
var loadGIFs = true;
var loadVideos = true;
var loadOriginals = false; //Not recommended, will take a LONG time to load.
//------------------------------

var gifValue = "-large-"; if (!loadGIFs) gifValue = "-preview-";
var videosValue = "-large-"; if (!loadVideos) videosValue = "-preview-";
var origValue = "-large-"; if (loadOriginals) {origValue="-";gifValue="-";videosValue="-";};

var exts = ["jpeg","jpg","png","gif","mp4","webm","zip","swf","1","avi","bmp","html","mp3","mpg","pdf","rar","wmv"];
//The ones after swf are just to prevent the script from crashing. You'll never encounter them unless you go out of your way to.
var toGrab = [origValue,origValue,origValue,gifValue,videosValue,videosValue,videosValue,"-preview-","-preview-","-preview-","-preview-","-preview-","-preview-","-preview-","-preview-","-preview-","-preview-"];

var db = dimensions + gap + "px !important; ";
var d = dimensions + "px";
var posts = document.getElementsByClassName("post-preview");
var imgs = document.querySelectorAll("[itemprop='thumbnailUrl']");
var newElems = [];
var queue = [];
var endpoint = posts.length;
var counter = 0;
var clamp = 0;

$(document).ready (function() {
    for (var x = 0; x < posts.length; x++) {
        var Data = posts[x];
        var Image = imgs[x];
        var ext = Data.getAttribute("data-file-ext");
        var width = Data.getAttribute("data-width");
        var height = Data.getAttribute("data-height");
        var denom = Math.max(width, height) / dimensions;
        var newwidth = Math.round(width / denom);
        var newheight = Math.round(height / denom);
        Image.style.width = newwidth + "px";
        Image.style.height = newheight + "px";
        Image.style.maxHeight = d;
        Image.style.maxWidth = d;
        Data.setAttribute("style", Data.getAttribute("style") + "; margin: 0 !imporant; ");
        Data.setAttribute("style", Data.getAttribute("style") + "height: " + db);
        Data.setAttribute("style", Data.getAttribute("style") + "width: " + db);
        Data.setAttribute("style", Data.getAttribute("style") + "line-height: " + db);
        if (ext != "webm" && ext != "mp4" && ext != "zip") {
            var NewImage = document.createElement("img");
            NewImage.setAttribute("height",height);
            NewImage.setAttribute("width",width);
            NewImage.setAttribute("title",Image.getAttribute("title"));
            NewImage.style.height = newheight + "px";
            NewImage.style.width = newwidth + "px";
            NewImage.style.maxHeight = d;
            NewImage.style.maxWidth = d;
            NewImage.style.position = "absolute";
            Image.parentNode.insertBefore(NewImage, Image);
            newElems.push(NewImage);
        } else {
            var Video = document.createElement("video");    
            Video.setAttribute("autoplay","autoplay");
            Video.setAttribute("loop","loop");
            Video.volume = 0.0;
            Video.setAttribute("height",height);
            Video.setAttribute("width",width);
            Video.setAttribute("title",Image.getAttribute("title"));
            Video.style.height = newheight + "px";
            Video.style.width = newwidth + "px";
            Video.style.maxHeight = d;
            Video.style.maxWidth = d;
            Video.style.position = "absolute";
            Video.style.marginTop = "2px"; //Don't know why this is necessary
            Video.style.marginLeft = "2px";
            Image.parentNode.insertBefore(Video, Image);
            newElems.push(Video);
        }
    }
    Array.prototype.forEach.call(imgs, function(img) {img.addEventListener("load", queueit(img), false);});
});

function iscached(img_url){
    var imgEle = document.createElement("img");
    imgEle.src = img_url;
    var answer = imgEle.complete || (imgEle.width+imgEle.height) > 0
    imgEle.removeAttribute("src")
    return answer;
}

function queueit(img) {
    var imgindex = Array.prototype.indexOf.call(imgs, img);
    if (!iscached(posts[imgindex].getAttribute("data" + toGrab[exts.indexOf(posts[imgindex].getAttribute("data-file-ext"))] + "file-url"))) {
        queue.push(imgindex);
    } else {
        clamp++;
        counter++;
        timeforbig(imgindex);
    }
}

var interval = setInterval(a, 25);
function a() {
    if (queue.length > 0 && clamp < 8) {
        var index = queue[0];
        clamp++;
        counter++;
        timeforbig(index);
        queue.splice(0, 1);
    };
    if (counter >= endpoint) clearInterval(interval);
}

function reverseClamp() {
    clamp--;
}

function timeforbig(x) {
    var Data = posts[x];
    var Elem = newElems[x];
    Elem.setAttribute("src",Data.getAttribute("data" + toGrab[exts.indexOf(Data.getAttribute("data-file-ext"))] + "file-url"));
    Elem.addEventListener("load", reverseClamp, false);
}