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neoCmoaRipper

GrimRipper Cmoa upgraded

  1. // ==UserScript==
  2. // @name         neoCmoaRipper
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.1
  5. // @description  GrimRipper Cmoa upgraded
  6. // @author       XXXXXXXXXIII, weebuwy
  7. // @match        https://www.cmoa.jp/bib/speedreader/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=cmoa.jp
  9. // @license      MIT
  10. // ==/UserScript==
  11.  
  12. const width = 1125; // USER: image size
  13. const height = 1600;
  14.  
  15. let downloaded = [];
  16.  
  17. (function() {
  18.     'use strict';
  19.     var page = -1;
  20.  
  21.     setInterval(() => {
  22.         try {
  23.             if (page < 1) page = getPageNum();
  24.           	page = getPageNum();
  25.           
  26.           	for (let i = 1; i <= page; i++) {
  27.             	if (downloaded.includes(i)) continue;
  28.               setContainer(i);
  29.               let imgs = getImgs(i);
  30.               saveImage(imgs, i);
  31.               downloaded.push(i);
  32.             }
  33.         } catch (e) {
  34.             console.log(e.message);
  35.         }
  36.     }, 100);
  37. })();
  38.  
  39. function saveImage(imgs, page) {
  40.   	console.log(`saved page ${page}`);
  41.   
  42.     let canvas = document.createElement('canvas');
  43.     let ctx = canvas.getContext('2d');
  44.     canvas.width = 1125;
  45.     canvas.height = 1600;
  46.     ctx.drawImage(imgs[0], 0, 0);
  47.     ctx.drawImage(imgs[1], 0, canvas.height * 0.3325);
  48.     ctx.drawImage(imgs[2], 0, canvas.height * 0.665 );
  49.     canvas.toBlob((blob) => {
  50.         var image = URL.createObjectURL(blob);
  51.         var a = document.createElement('a');
  52.         a.href = image;
  53.         document.body.appendChild(a);
  54.         a.download = page + ".png";
  55.         a.click(); // USER: Disable ask where to store file location setting for usability
  56.         document.body.removeChild(a);
  57.     }, 'image/png', 1);
  58. }
  59.  
  60. function setContainer(page) {
  61.     var container = document.getElementById('content-p' + page);
  62.     container.style.width = width + 'px';
  63.     container.style.height = height + 'px';
  64. }
  65.  
  66. function getImgs(page) {
  67.     return document.getElementById('content-p' + page).getElementsByTagName('IMG');
  68. }
  69.  
  70. function getPageNum() {
  71.     var pageNum = document.getElementById('menu_slidercaption').innerHTML;
  72.     return Number(pageNum.replace(/\/.*/i, ""));
  73. }
  74.