Files
BadNote/lib/services/ocr/native_ocr_backend.dart

31 lines
787 B
Dart
Raw Permalink Normal View History

import 'dart:io';
import 'package:flutter/services.dart';
import 'ocr_backend.dart';
/// Platform OCR backend. Uses the Windows built-in OCR engine exposed through
/// the native `badnote/ocr` MethodChannel.
class NativeOcrBackend implements OcrBackend {
static const _channel = MethodChannel('badnote/ocr');
@override
String get name => 'native';
@override
Future<bool> isAvailable() async => Platform.isWindows;
@override
Future<String?> recognize(Uint8List pngBytes) async {
if (!Platform.isWindows) return null;
try {
final result = await _channel.invokeMethod<String>('recognize', pngBytes);
final text = result?.trim();
if (text == null || text.isEmpty) return null;
return text;
} catch (_) {
return null;
}
}
}