import 'dart:js_interop';
import 'dart:ui_web';
import 'package:flutter/widgets.dart';
import 'package:web/web.dart';

Future<void> main() async {
  runApp(const SizedBox.expand());
  final element = HTMLImageElement()
    ..crossOrigin = 'anonymous'
    ..src = 'https://picsum.photos/200/300';
  await element.decode().toDart;
  final image = await createImageFromTextureSource(
    element,
    height: element.height,
    transferOwnership: true, // TODO throws on wasm
    width: element.width,
  );
  print('${image.width}x${image.height}');
}