ripper for comicnettai
// ==UserScript==
// @name nettai ripper
// @namespace http://tampermonkey.net/
// @version 2024-02-04
// @description ripper for comicnettai
// @author XXXXXXXXXIII
// @match https://www.comicnettai.com/publus/viewer.html*
// @icon none
// @grant none
// @license MIT
// ==/UserScript==
const width = 1125; // USER: image size
const height = 1600;
(function() {
'use strict';
console.log("Hello There");
console.log("Ripper will start rippin' in 2 seconds");
setTimeout(main, 2000);
})();
function main() {
'use strict';
var saved = false;
var page = -1;
setInterval(() => {
try {
if (page != getPageNum()) saved = false;
if (saved) return;
page = getPageNum();
if (page < 1) throw new Error("Not Ready");
console.log("Viewing viewport " + (2 - ((page + 1) % 2) - 1))
let canvas = setCanvas(2 - ((page + 1) % 2) - 1);
saveCanvas(canvas, page);
console.log("Page " + page + " saved");
saved = true;
} catch (e) {
console.log(e.message);
}
}, 1000);
}
function saveCanvas(canvas, page) {
//let image = canvas.toDataURL("image/jpeg", 1.0); // Very Slow, highly not recommended.
canvas.toBlob((blob) => {
var image = URL.createObjectURL(blob);
var a = document.createElement('a');
a.href = image;
document.body.appendChild(a);
a.download = page + ".jpg";
a.click(); // USER: Disable ask where to store file location setting for usability
document.body.removeChild(a);
}, "image/jpeg", 1.0);
}
function setCanvas(i) {
let canvas = $("div[id=viewport" + i + "] canvas").get()[0];
let ratio = canvas.height / canvas.width;
canvas.style.width = width + "px";
canvas.style.height = (width * ratio) + "px";
return canvas;
}
function getPageNum() {
var pageNum = document.getElementById('pageSliderCounter').innerHTML;
pageNum = pageNum.replace(/\/.*/g,'');
return Number(pageNum);
}