ocr_scan 0.0.4

OCR scan library for Flutter. It can scan text form zones in preview.

OCR Scan

OCR scan library for Flutter. It can scan text from zones in preview.

[Demo]

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 OcrScanPreview(
    ocrDuration: const Duration(milliseconds: 5000),
    ocrProcess: ocrProcess,
    ocrZonePainter: OcrScanZonePainter(
      elements: const [
        OcrScanZone(
          Rect.fromLTWH(40, 200, 1200, 100),
          text: TextSpan(
            text: 'Zone 1: TOP',
            style: TextStyle(backgroundColor: Colors.red),
          ),
          paintingColor: Colors.red,
        ), // Zone1 TOP
        OcrScanZone(
          Rect.fromLTWH(40, 400, 1200, 100),
          text: TextSpan(
            text: 'Zone 2: BOTTOM',
            style: TextStyle(backgroundColor: Colors.green),
          ),
          paintingColor: Colors.green,
        ),
      ],
      previewSize: const Size(1280, 720),
    ),
    onOcrTextLine: ((int, List<TextLine>) value) {
      messenger.showSnackBar(SnackBar(
        duration: const Duration(milliseconds: 2000),
        content: Text(
          value.$2.fold(
            'Rect ${value.$1 + 1} - Length ${value.$2.length}:',
            (String pre, TextLine e) => '$pre\n${e.text}',
          ),
        ),
      ));
    },
  );
}

Contributing

Contributions are always welcome!

Please check out our contribution guidelines for more details.

License

ORC Scan is licensed under the MIT License.