Load image as file

function loadImage(file) {
	img = new Image();
	img.onload = e => drawImageToCanvas();
	img.onerror = e => $log.warn('Failed to load image.');

	fileReader = new FileReader();
	fileReader.onload = e => img.src = e.target.result;
	fileReader.onerror = e => $log.warn('Failed to load file.');
	fileReader.readAsDataURL(file);
}