// https://stackoverflow.com/questions/20756042/javascript-how-to-display-image-from-byte-array-using-javascript-or-servlet window.onload = function () { console.log('Load img here...'); /*img_data = document.getElementById('expeImg').getAttribute('data-img'); img_data = JSON.parse(img_data); var p = new PNGlib(800, 800, 256); // construcor takes height, weight and color-depth var background = p.color(0, 0, 0, 0); // set the background transparent for (var i = 0; i < 800; i++){ for (var j = 0; j < 800; j++){ let r = img_data[i][j][0] let g = img_data[i][j][1] let b = img_data[i][j][2] p.buffer[i, j] = p.color(r, g, b) } } console.log('done') document.getElementById('expeImg').src = "data:image/png;base64,"+p.getBase64();*/ }