CmoaRipper

GrimRipper Cmoa

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         CmoaRipper
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  GrimRipper Cmoa
// @author       XXXXXXXXXIII
// @match        https://www.cmoa.jp/bib/speedreader/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=cmoa.jp
// @license      MIT
// ==/UserScript==

const width = 1125; // USER: image size
const height = 1600;

(function() {
    'use strict';
    var saved = false;
    var page = -1;

    setInterval(() => {
        try {
            if (page < 1) page = getPageNum();
            if (page != getPageNum()) saved = false;
            if (saved) return;
            page = getPageNum();
            setContainer(page);
            let imgs = getImgs(page);
            saveImage(imgs, page);
            saved = true;
        } catch (e) {
            console.log(e.message);
        }
    }, 1000);
})();

function saveImage(imgs, page) {
    let canvas = document.createElement('canvas');
    let ctx = canvas.getContext('2d');
    canvas.width = width;
    canvas.height = height;
    ctx.drawImage(imgs[0], 0, 0, canvas.width, canvas.height * 0.33625);
    ctx.drawImage(imgs[1], 0, canvas.height * 0.3325, canvas.width, canvas.height * 0.33625);
    ctx.drawImage(imgs[2], 0, canvas.height * 0.665, canvas.width, canvas.height * 0.33625);
    canvas.toBlob((blob) => {
        var image = URL.createObjectURL(blob);
        var a = document.createElement('a');
        a.href = image;
        document.body.appendChild(a);
        a.download = page + ".png";
        a.click(); // USER: Disable ask where to store file location setting for usability
        document.body.removeChild(a);
    }, 'image/png', 1);
}

function setContainer(page) {
    var container = document.getElementById('content-p' + page);
    container.style.width = width + 'px';
    container.style.height = height + 'px';
}

function getImgs(page) {
    return document.getElementById('content-p' + page).getElementsByTagName('IMG');
}

function getPageNum() {
    var pageNum = document.getElementById('menu_slidercaption').innerHTML;
    return Number(pageNum.replace(/\/.*/i, ""));
}