ocr_scan 0.1.3

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 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 1: TOP',
              style: TextStyle(backgroundColor: Colors.red),
            ),
            paintingColor: Colors.red,
          ), // Zone1 TOP
          const Zone(
            Rect.fromLTWH(40, 500, 1200, 100),
            text: TextSpan(
              text: 'Zone 2: BOTTOM',
              style: TextStyle(backgroundColor: Colors.green),
            ),
            paintingColor: Colors.green,
          ),
        ],
      ),
      onTextLine: ((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}',
            ),
          ),
        ));
      },
    ),
    barcodeScannerConfig: BarcodeScannerConfig(
      zonePainter: ZonePainter(
        elements: [
          const Zone(
            Rect.fromLTWH(40, 250, 1200, 200),
            text: TextSpan(
              text: 'Zone 3: CENTER',
              style: TextStyle(backgroundColor: Colors.yellow),
            ),
            paintingColor: Colors.yellow,
          ),
        ],
      ),
      onBarcode: ((int, List<Barcode>) value) {
        messenger.showSnackBar(SnackBar(
          duration: const Duration(milliseconds: 2000),
          content: Text(
            value.$2.fold(
              'Rect 3 - 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.