fromImageProvider static method
Implementation
static Future<BitmapHelper> fromImageProvider(ImageProvider provider) async {
final Completer completer = Completer<ImageInfo>();
final ImageStream stream = provider.resolve(const ImageConfiguration());
final listener =
ImageStreamListener((ImageInfo info, bool synchronousCall) {
if (!completer.isCompleted) {
completer.complete(info);
}
});
stream.addListener(listener);
final imageInfo = await completer.future;
stream.removeListener(listener);
final ui.Image image = imageInfo.image;
final ByteData? byteData = await image.toByteData();
final Uint8List listInt = byteData!.buffer.asUint8List();
return BitmapHelper.fromHeadless(image.width, image.height, listInt);
}