loadImage method
Implementation
PowerImageCompleter loadImage(
PowerImageRequestOptions options,
) {
PowerImageRequest request = PowerImageRequest.create(options);
channel.startImageRequests(<PowerImageRequest>[request]);
PowerImageCompleter completer = PowerImageCompleter();
completer.request = request;
completer.completer = Completer<Map>();
completers[request.uniqueKey()] = completer;
return completer;
}