OCR Scan

OCR scan library for Flutter. It can scan text, barcode, qr,... from zones in preview or file.

ScanPreview	ScanFile

Requirements

Since thus package uses ML Kit check requirements before running the package in project.

How to use

1. Add ocr_scan to your pubspec.yaml
2. Import the desired package or class.

import 'package:ocr_scan/ocr_scan.dart';

Widget buildPreview(BuildContext context) {
  final ScaffoldMessengerState messenger = ScaffoldMessenger.of(context);

  return ScanPreview(
    scanProcess: process,
    scanDuration: const Duration(milliseconds: 2000 * 3),
    textRecognizerConfig: TextRecognizerConfig(
      zonePainter: ZonePainter(
        elements: [
          const Zone(
            Rect.fromLTWH(40, 100, 1200, 100),
            text: TextSpan(
              text: 'Zone: TextRecognizer',
              style: TextStyle(backgroundColor: Colors.red),
            ),
            paintingColor: Colors.red,
          ),
        ],
      ),
      onTextLine: ((int, List<TextLine>) value) {
        messenger.showSnackBar(SnackBar(
          duration: const Duration(milliseconds: 2000),
          content: Text(
            value.$2.fold(
              'TextRecognizer - Length ${value.$2.length}:',
              (String pre, TextLine e) => '$pre\n${e.text}',
            ),
          ),
        ));
      },
    ),
    barcodeScannerConfig: BarcodeScannerConfig(
      zonePainter: ZonePainter(
        rotation: InputImageRotation.rotation90deg,
        elements: [
          Zone(
            Rect.fromCenter(
              center: const Size(720, 1280).center(Offset.zero),
              width: 400,
              height: 400,
            ),
            text: const TextSpan(
              text: 'Zone: BarcodeScanner',
              style: TextStyle(backgroundColor: Colors.green),
            ),
            paintingColor: Colors.green,
          ),
        ],
      ),
      onBarcode: ((int, List<Barcode>) value) {
        messenger.showSnackBar(SnackBar(
          duration: const Duration(milliseconds: 2000),
          content: Text(
            value.$2.fold(
              'BarcodeScanner - Length ${value.$2.length}:',
              (String pre, Barcode e) => '$pre\n${e.displayValue}',
            ),
          ),
        ));
      },
    ),
  );
}

Contributing

Contributions are always welcome!

Please check out our contribution guidelines for more details.

License

ORC Scan is licensed under the MIT License.