Auto Load Big Image

Auto expand image width height quality for image urls with custom sizes.
目前為 2020-05-16 提交的版本，檢視最新版本。
安裝腳本 ?
Wrap lines
// ==UserScript==
// @name         Auto Load Big Image
// @version      1.4
// @description  Auto expand image width height quality for image urls with custom sizes.
// @author       navchandar
// @match        http*://*/*
// @exclude      http*:*guim.co*/*
// @grant        none
// @license      MPL-2.0
// @run-at       document-start
// @homepage     https://github.com/navchandar
// @contributionURL https://paypal.me/navchandar
// @contributionAmount $1.00
// @copyright    2019, navchandar (https://github.com/navchandar)
// @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAKElEQVQ4jWNgYGD4Twzu6FhFFGYYNXDUwGFpIAk2E4dHDRw1cDgaCAASFOffhEIO3gAAAABJRU5ErkJggg==
// @namespace https://gf.qytechs.cn/users/302262
// ==/UserScript==
function isNum(num) {
    return !isNaN(num)
}

function getNum(text) {
    return parseInt(text.replace(/[^0-9\.]/g, ''), 10);
}

function Load(uri) {
    window.location.href = uri
}

function has(String, search) {
    try {
        if (String.indexOf(search) > -1) {
            return true;
        }
    } catch (err) {}
    return false;
}

function getRegexMatch(String, regex) {
    var finalText = "";
    try {
        var arr = String.match(regex);
        if (arr != null && arr.length >= 1) {
            finalText = arr[0];
        }
    } catch (err) {}
    return finalText;
}

function widthUpdate(uri, w) {
    if (has(uri, w)) {
        var res = uri.split(w);
        if (res.length == 2) {
            if (res[1] != "10000" && isNum(res[1])) {
                var newuri = res[0] + w + "10000";
                Load(newuri);
            }
        }
    }
}

function sizeUpdate(uri, w) {
    if (has(uri, w)) {
        var res = uri.split(w);
        if (res.length == 2) {
            var end = "";
            var width = "";
            if (has(res[1], "&")) {
                var arr = res[1].split("&");
                for (var i = 1; i < arr.length; i++) {
                    end += "&" + arr[i];
                }
                width = arr[0]
            } else {
                width = res[1]
            }
            if (width != "6000" && isNum(width)) {
                var newuri = res[0] + w + "6000" + end;
                Load(newuri);
            }
        }
    }
}

function WidthandHeightUpdate(uri, format, width, height) {
    if (has(uri, format) && has(uri, width) && has(uri, height)) {
        var res1 = uri.split(width);
        if (res1.length == 2) {
            var res2 = res1[1].split(height);
            if (res2.length == 2) {
                if (res2[0] != "6000" && isNum(res2[0]) && isNum(res2[1])) {
                    var w = getNum(res2[0]);
                    var h = getNum(res2[1]);
                    var newh = parseInt((h / w) * 6000);
                    var newuri = res1[0] + width + "6000" + height + newh;
                    Load(newuri);
                } else {
                    if (res2[0] != "6000" && has(res2[1], "&") && (has(res2[1], "quality=") || has(res2[1], "q="))) {
                        var qual = "";
                        if (has(res2[1], "quality=")) {
                            qual = "&quality=";
                        }
                        if (has(res2[1], "q=")) {
                            qual = "&q=";
                        }
                        var res3 = res2[1].split(qual);
                        if (res3.length >= 2 && isNum(res2[0]) && isNum(res3[0]) && isNum(res3[1])) {
                            w = getNum(res2[0]);
                            h = getNum(res3[0]);
                            newh = parseInt((h / w) * 6000);
                            newuri = res1[0] + width + "6000" + height + newh + qual + "100";
                            Load(newuri);
                        }
                    }
                }
            }
        }
    }
}

function HeightandWidthUpdate(uri, format, height, width) {
    if (has(uri, format) && has(uri, width) && has(uri, height)) {
        var res1 = uri.split(height);
        if (res1.length == 2) {
            var res2 = res1[1].split(width);
            if (res2.length >= 2) {
                var end = "";
                var w = "";
                var h = res2[0];
                if (has(res2[1], "&")) {
                    var arr = res2[1].split("&");
                    for (var i = 1; i < arr.length; i++) {
                        end += "&" + arr[i];
                    }
                    w = arr[0]
                } else {
                    w = res2[1]
                }
                if (w != "6000" && isNum(w) && isNum(h)) {
                    var w1 = getNum(w);
                    var h1 = getNum(h);
                    var newh = parseInt((h1 / w1) * 6000);
                    var newuri = res1[0] + height + newh + width + "6000" + end;
                    Load(newuri);
                }
            }
        }
    }
}

function QualityUpdate(uri, format, start, end) {
    if (has(uri, format) && has(uri, start) && has(uri, end)) {
        var res1 = uri.split(start);
        if (res1.length >= 2 && has(res1[1], end)) {
            var res2 = res1[1].split(end);
            if (res2.length > 0 && res2[0] != 100 && isNum(res2[0])) {
                var newuri = uri.replace((start + res2[0] + end), (start + "100" + end));
                Load(newuri);
            }
        }
    }
}

function ReplaceCustomCrop(uri, format, regex, replacement) {
    if (has(uri, format)) {
        try {
            if (regex.test(uri)) {
                var newuri = uri.replace(regex, replacement);
                Load(newuri);
            }
        } catch (err) {}
    }
}

function UpdateCustomWidthandHeight(uri, format, regex) {
    if (has(uri, format)) {
        try {
            if (regex.test(uri)) {
                var res = getRegexMatch(uri, regex);
                var rep = res.replace("/", "");
                rep = rep.replace("/", "");
                if (has(rep, "x") && has(rep, ",")) {
                    var res1 = rep.split("x");
                    var res2 = res1[1].split(",");
                    if (res1[0] != "6000" && res2.length >= 2 && isNum(res1[0]) && isNum(res2[0]) && isNum(res2[1])) {
                        var w = getNum(res1[0]);
                        var h = getNum(res2[0]);
                        var newh = parseInt((h / w) * 6000);
                        var replacement = "/" + 6000 + "x" + newh + ",100" + "/";
                        var newuri = uri.replace(res, replacement);
                        Load(newuri);
                    }
                }
            }
        } catch (err) {}
    }
}

function CustomWidthandHeightUpdate(uri, width, height) {
    if (has(uri, width) && has(uri, height)) {
        var res1 = uri.split(width);
        var res2 = res1[1].split(height);
        if (isNum(res2[0]) && res2[0] != "6000") {
            var w = getNum(res2[0]);
            var h = getNum(res2[1].split("-")[0]);
            var res = width + w + height + h;
            var newh = parseInt((h / w) * 6000);
            var replacement = width + 6000 + height + newh;
            var newuri = uri.replace(res, replacement);
            if (uri != newuri) {
                Load(newuri);
            }
        }
    }
}

function DPRUpdate(uri, d) {
    if (has(uri, d)) {
        var res = uri.split(d);
        if (isNum(res[1]) && res[1] < 3) {
            var newuri = res[0] + d + "3";
            Load(newuri);
        } else if (!isNum(res[1]) && has(res[1], "&")) {
            var res2 = res[1].split("&")[0];
            if (isNum(res2) && res2 < 3) {
                newuri = uri.replace((d + res2), (d + "3"));
                Load(newuri);
            }
        }
    }
}

function main(uri, format) {

    if (has(uri, "image/upload/")) {
        ReplaceCustomCrop(uri, "." + format, /q\_auto\//g, "q_auto:best/");
        ReplaceCustomCrop(uri, "." + format, /f\_auto\,|fl\_lossy\,|c\_limit\,/g, "");
        ReplaceCustomCrop(uri, "." + format, /upload\/[hw]\_\d+\,[hw]\_\d+\//g, "upload/");
    }

    if (has(uri, "wiki")) {
        ReplaceCustomCrop(uri, ".svg", /thumb\/|\/\d+px[-]?\w+(.)*.svg(.)*/g, "");
        ReplaceCustomCrop(uri, ".jpg", /thumb\/|\/\d+px[-]?\w+(.)*.jpg(.)*/g, "");
        ReplaceCustomCrop(uri, ".png", /thumb\/|\/\d+px[-]?\w+(.)*.png(.)*/g, "");
        ReplaceCustomCrop(uri, "." + format, /\/zoom\-crop\/(.)*/g, "");
    }
    if (has(uri, "blogspot") && !has(uri, "/s6000/")) {
        ReplaceCustomCrop(uri, "." + format, /\/s\d+\//g, "/s6000/");
    }
    if (has(uri, "twimg") && !has(uri, "video")) {
        ReplaceCustomCrop(uri, format, /\_normal\./g, ".");
        if (has(uri, "name")) {
            ReplaceCustomCrop(uri, format, /\?format\=jpg\&name\=(.)*/g, "?format=png&name=large");
            ReplaceCustomCrop(uri, format, /\?format\=png\&name\=medium/g, "?format=png&name=large");
        } else if (has(uri, "format")) {
            ReplaceCustomCrop(uri, format, /\?format\=jp(.)*/g, "?format=png");
        }
    }

    if (has(uri, "usercontent")) {
        CustomWidthandHeightUpdate(uri, "=w", "-h");
        ReplaceCustomCrop(uri, format, /\?s\=\d+\&v\=\d+/g, "");
    }

    widthUpdate(uri, "." + format + "?w=");
    widthUpdate(uri, "." + format + "?width=");
    WidthandHeightUpdate(uri, "." + format + "?", "w=", "&h=");
    WidthandHeightUpdate(uri, "." + format + "?", "width=", "&height=");

    HeightandWidthUpdate(uri, "." + format + "?", "h=", "&w=");
    HeightandWidthUpdate(uri, "." + format + "?", "height=", "&width=");

    // Remove crops
    ReplaceCustomCrop(uri, "." + format, /\/\d+\,\d+\,\d+\,\d+\//g, "/");
    ReplaceCustomCrop(uri, "." + format, /\?crop=\d+\%\d\w\d+\%\d\w\w+\%\w+/g, "");
    ReplaceCustomCrop(uri, "." + format, /\?crop=\d+\%3A\d+|\?crop=\d+\:\d+/g, "");
    ReplaceCustomCrop(uri, "." + format, /thumbor\/\d+x\d+\//g, "thumbor/origxorig/");
    if (!has(uri, "%2F2000")) {
        ReplaceCustomCrop(uri, "." + format, /\%2F\d+x0.jpg/g, "%2F2000x0.jpg");
    }
    if (!has(uri, "/2000")) {
        ReplaceCustomCrop(uri, "." + format, /\/\d+x0.jpg/g, "/2000x0.jpg");
    }

    // Remove Blur and bring original
    if (has(uri, '.it/') && has(uri, 'blur') && !has(uri, 'external-preview.')) {
        if (has(uri, '?blur')) {
            ReplaceCustomCrop(uri, format, /\?blur\=(.)*/g, "");
        } else if (has(uri, '?width=')) {
            ReplaceCustomCrop(uri, format, /\?width\=(.)*/g, "");
        }
        if (has(uri, 'preview.')) {
            ReplaceCustomCrop(uri, format, /preview/, "i");
        }
    }

    // Remove watermark
    ReplaceCustomCrop(uri, format, /\&mark64\=(.)*/g, "");
    // Auto Enhance
    ReplaceCustomCrop(uri, format, /auto\=compress/g, "auto=enhance");
    ReplaceCustomCrop(uri, format, /\&cs\=tinysrgb/g, "");

    UpdateCustomWidthandHeight(uri, "." + format, /\/\d+\x\d+\,\d+\//g);

    QualityUpdate(uri, "." + format, "/q_", "/");
    QualityUpdate(uri, "." + format, "/x,", "/");
    QualityUpdate(uri, format, "&q=", "&");

    sizeUpdate(uri, "." + format + "?size=");
    DPRUpdate(uri, "&dpr=");

}

(function() {
    'use strict';
    var uri = window.location.href;
    if (has(uri, "jpg")) {
        main(uri, "jpg");
    } else if (has(uri, "png")) {
        main(uri, "png");
    } else if (has(uri, "jpeg")) {
        main(uri, "jpeg");
    } else if (has(uri, "webp")) {
        main(uri, "webp");
    } else if (has(uri, "usercontent.com")) {
        main(uri, "usercontent");
    }

})();
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