// ==UserScript==
// @name         PANDEMONIUM
// @namespace    REGNAT
// @version      SATANI
// @description  VITAE
// @match        anon.fm/feedback*
// @match        alcxemuct.accountant/feedback*
// @match        https://anon.fm/feedback*
// @match        https://alcxemuct.accountant/feedback*
// @grant        none
// ==/UserScript==

document.body.style.background = '#eee'

const i = document.getElementsByTagName`img`[0];
const ca = document.createElement`canvas`;
[ca.width, ca.height] = [164, 62];
const c = ca.getContext`2d`;
i.addEventListener('load', doStuff);

i.style.backgroundColor = '#fff';
//i.style.padding = '10px';

function doStuff() {
    const rx = Math.random()*ca.width |0 ;
    const ry = Math.random()*ca.height |0;
    const mrx = -ca.width+rx;
    const mry = -ca.height+ry;
    c.drawImage(i, rx, ry);
    c.drawImage(i, mrx, ry);
    c.drawImage(i, rx, mry);
    c.drawImage(i, mrx, mry);
    document.body.style.backgroundImage = `url(${ca.toDataURL()})` //d
}