buildBinary method
Implementation
Future<Uint8List?> buildBinary() async {
final image = this.image;
if (image == null) {
throw Exception("Make sure you have called finish() before calling this function");
}
final byteData = await image.toByteData(format: ui.ImageByteFormat.png);
if (byteData == null) return null;
return byteData.buffer.asUint8List();
}