@override
  void initState() {
    _wand = MagickWand.newMagickWand(); // create a MagickWand to edit images

    // set a callback to be called when image processing progress changes
    WidgetsBinding.instance.addPostFrameCallback(
      (timeStamp) async => await _wand.magickSetProgressMonitor(
        (info, offset, size, clientData) => setState(() =>
            status = '[${info.split('/').first}, $offset, $size, $clientData]'),
      ),
    );

    super.initState();
  }

  // read an image, do some operations on it, then save it
Future<String> _handlePress() async {
  try {
    setState(() => isLoading = true);

    String? result;

    await _wand.magickReadImage(_inputFile!.path); // read the image
    _throwWandExceptionIfExists(_wand);

    ///////////////////////// Do Some Operations On The Wand /////////////////////////

    // resize the image
    await _wand.magickAdaptiveResizeImage(1200, 800);
    _throwWandExceptionIfExists(_wand);
    // flip the image
    await _wand.magickFlipImage();
    _throwWandExceptionIfExists(_wand);
    // enhance the image
    await _wand.magickEnhanceImage();
    _throwWandExceptionIfExists(_wand);
    // add noise to the image
    await _wand.magickAddNoiseImage(NoiseType.GaussianNoise, 1.5);
    _throwWandExceptionIfExists(_wand);

    /////////////////////////////////////////////////////////////////////////////////

    String outputFilePath = _getOutputFilePath();

    await _wand.magickWriteImage(
            outputFilePath); // write the image to a file
    _throwWandExceptionIfExists(_wand);

    _outputFile = File(outputFilePath);
    isLoading = false;
    return result ?? 'Operation Successful!';
  } catch (e) {
    _outputFile = null;
    isLoading = false;
    return 'Error: ${e.toString()}';
  }
}

String _getOutputFilePath() {
  final String ps = Platform.pathSeparator;
  final String inputFileNameWithoutExtension =
          _inputFile!.path.split(ps).last.split('.').first;
  final String outputFilePath =
          '${_outputDirectory!.path}${ps}out_$inputFileNameWithoutExtension.png';
  return outputFilePath;
}

void _throwWandExceptionIfExists(MagickWand wand) {
  MagickGetExceptionResult e =
  _wand.magickGetException(); // get the exception if any
  if (e.severity != ExceptionType.UndefinedException) {
    throw e;
  }
}

@override
dispose() {
  _wand.destroyMagickWand(); // we are done with the wand 
  disposeImageMagick(); // we are done with the whole plugin
  super.dispose();
}

import 'dart:io';
import 'package:image_magick_ffi/image_magick_ffi.dart';

Future<void> main(List<String> arguments) async {
  final File inputFile1 = File("D:\\magick\\Screenshot.png");
  final File inputFile2 = File("D:\\magick\\fayruz_love.png");
  final File inputFile3 = File("D:\\magick\\untitled.png");

  print('Magick Dart App Started!');

  initializeImageMagick(); // initialize the plugin

  MagickWand wand1 = MagickWand.newMagickWand(); // create a MagickWand
  MagickWand wand2 = MagickWand.newMagickWand(); // create a MagickWand

  // await setProgressMonitor(wand1, 'wand1');
  // throwWandExceptionIfExists(wand1);
  //
  // await setProgressMonitor(wand2, 'wand2');
  // throwWandExceptionIfExists(wand2);

  await wand1.magickReadImage(inputFile3.path);
  throwWandExceptionIfExists(wand1);

  await wand2.magickReadImage(inputFile2.path);
  throwWandExceptionIfExists(wand2);

  Stopwatch stopwatch = Stopwatch()..start();
  ///////////////////////////////// Use MagickWand here /////////////////////////////////
  final imagePage =
      wand1.magickGetImagePage(); // get the dimensions of the image
  throwWandExceptionIfExists(wand1);

  final int width = imagePage!.width;
  final int height = imagePage.height;
  final int x = 0;
  final int y = 0;

  final cropWand = await wand1.magickGetImageRegion(
    width: width ~/ 2,
    height: height ~/ 2,
    x: x,
    y: y,
  ); // crop the image into a new wand

  await cropWand!.magickWriteImage(getOutputFilePath(inputFile1.path));
  throwWandExceptionIfExists(wand2);

  ///////////////////////////////// Use MagickWand here /////////////////////////////////
  print('elapsed time: ${stopwatch.elapsedMilliseconds} millis');

  await wand1.destroyMagickWand(); // dispose the MagickWand
  await wand2.destroyMagickWand(); // dispose the MagickWand
  await cropWand.destroyMagickWand(); // dispose the MagickWand

  disposeImageMagick(); // dispose the plugin

  print('Magick Dart App Ended!');
}

String getOutputFilePath(String inputFilePath) {
  final String outputFilePath = inputFilePath.replaceAll(
      RegExp(r'\.(png|jpg|jpeg|gif|bmp|tiff|tif|webp|pdf|ps|eps|svg|ico)$'),
      '_output.png');
  return outputFilePath;
}

Future<void> setProgressMonitor(MagickWand wand, [String? wandName]) async {
  await wand.magickSetProgressMonitor((info, offset, size, clientData) {
    print('[${wandName ?? 'unnamed wand'}] $info, $offset, $size, $clientData');
  });
}

void throwWandExceptionIfExists(MagickWand wand) {
  final exception = wand.magickGetException();
  if (exception.severity != ExceptionType.UndefinedException) {
    throw Exception(
        'An exception occurred with the wand: ${exception.description}');
  }
}