imageData = {
const w = image.width;
const h = image.height;
let canvas = document.createElement('canvas');
canvas.width = w;
canvas.height = h;
let ctx = canvas.getContext('2d');
ctx.drawImage(image, 0, 0);
const raw = ctx.getImageData(0, 0, w, h);
const flatArray = Array.from(raw.data)
return flatArray;
}