feat: Update convert method to return FutureOr

lib/platform_image_converter.dart

@@ -85,7 +85,7 @@ class ImageConverter {
       ));
     } else {
       // The original implementation for those who opt-out.
-      return _platform.convert(
+      return await _platform.convert(
         inputData: inputData,
         format: format,
         quality: quality,
@@ -110,7 +110,7 @@ ImageConverterPlatform _getPlatformForTarget(TargetPlatform platform) {
 }
 
 /// Top-level function for `compute`.
-Future<Uint8List> _convertInIsolate(
+FutureOr<Uint8List> _convertInIsolate(
   ({
     Uint8List inputData,
     OutputFormat format,
@@ -119,12 +119,9 @@ Future<Uint8List> _convertInIsolate(
     TargetPlatform platform,
   })
   request,
-) {
-  final platform = _getPlatformForTarget(request.platform);
-  return platform.convert(
+) => _getPlatformForTarget(request.platform).convert(
   inputData: request.inputData,
   format: request.format,
   quality: request.quality,
   resizeMode: request.resizeMode,
 );
-}

lib/src/android/native.dart

@@ -34,12 +34,12 @@ final class ImageConverterAndroid implements ImageConverterPlatform {
   const ImageConverterAndroid();
 
   @override
-  Future<Uint8List> convert({
+  Uint8List convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,
     ResizeMode resizeMode = const OriginalResizeMode(),
-  }) async {
+  }) {
     return using((arena) {
       final inputJBytes = JByteArray.from(inputData)..releasedBy(arena);
       final originalBitmap = BitmapFactory.decodeByteArray(

lib/src/android/stub.dart

@@ -7,10 +7,10 @@ final class ImageConverterAndroid implements ImageConverterPlatform {
   const ImageConverterAndroid();
 
   @override
-  Future<Uint8List> convert({
+  Uint8List convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,
     ResizeMode resizeMode = const OriginalResizeMode(),
-  }) async => throw UnimplementedError();
+  }) => throw UnimplementedError();
 }

lib/src/darwin/native.dart

@@ -37,12 +37,12 @@ final class ImageConverterDarwin implements ImageConverterPlatform {
   const ImageConverterDarwin();
 
   @override
-  Future<Uint8List> convert({
+  Uint8List convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,
     ResizeMode resizeMode = const OriginalResizeMode(),
-  }) async {
+  }) {
     Pointer<Uint8>? inputPtr;
     CFDataRef? cfData;
     CGImageSourceRef? imageSource;

lib/src/darwin/stub.dart

@@ -8,10 +8,10 @@ final class ImageConverterDarwin implements ImageConverterPlatform {
   const ImageConverterDarwin();
 
   @override
-  Future<Uint8List> convert({
+  Uint8List convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,
     ResizeMode resizeMode = const OriginalResizeMode(),
-  }) async => throw UnimplementedError();
+  }) => throw UnimplementedError();
 }

lib/src/image_converter_platform_interface.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:platform_image_converter/src/output_format.dart';
@@ -31,7 +32,7 @@ abstract interface class ImageConverterPlatform {
   /// - [ImageDecodingException]: If the input image data cannot be decoded.
   /// - [ImageEncodingException]: If the image cannot be encoded to the target format.
   /// - [ImageConversionException]: For other general errors during the conversion process.
-  Future<Uint8List> convert({
+  FutureOr<Uint8List> convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,

lib/src/web/stub.dart

@@ -8,10 +8,10 @@ final class ImageConverterWeb implements ImageConverterPlatform {
   const ImageConverterWeb();
 
   @override
-  Future<Uint8List> convert({
+  Uint8List convert({
     required Uint8List inputData,
     OutputFormat format = OutputFormat.jpeg,
     int quality = 100,
     ResizeMode resizeMode = const OriginalResizeMode(),
-  }) async => throw UnimplementedError();
+  }) => throw UnimplementedError();
 }