imageSize_from method
Implementation
Future<Size> imageSize_from(Uint8List bytes) async {
// final bytes = Uint8List.fromList([
// // PNG image bytes here
// ]);
final codec = await ui.instantiateImageCodec(bytes);
final frame = await codec.getNextFrame();
final size = Size(frame.image.width.toDouble(), frame.image.height.toDouble());
return size;
// final completer = Completer<Image>();
// ui.decodeImageFromList(img, (image) {
// return completer.complete(image);
// });
// return completer.future;
}