flusseract 0.1.0

flusseract: ^0.1.0 copied to clipboard

example/lib/main.dart

import 'package:flusseract/tessdata.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

import 'package:flusseract/flusseract.dart' as flusseract;

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late String tessVersion;

  String? _ocrText;

  @override
  void initState() {
    super.initState();
    tessVersion = flusseract.Tesseract.version;

    TessData.init().then((_) async {
      final imageData = await rootBundle.load('assets/test-helloworld.png');
      final image = flusseract.PixImage.fromBytes(
        imageData.buffer.asUint8List(),
      );
      final tesseract = flusseract.Tesseract(
        tessDataPath: TessData.tessDataPath,
      );
      final ocrText = await tesseract.utf8Text(image);
      setState(() {
        _ocrText = ocrText;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    const spacerLarge = SizedBox(height: 20);
    const spacerSmall = SizedBox(height: 10);

    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Flusseract OCR Plugin Test App'),
        ),
        body: SingleChildScrollView(
          child: Padding(
            padding: const EdgeInsets.all(10),
            child: Center(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  spacerLarge,
                  const Divider(),
                  spacerSmall,
                  Text(
                    'Tesseract Version = $tessVersion',
                    style: theme.textTheme.bodyLarge,
                    textAlign: TextAlign.center,
                  ),
                  spacerSmall,
                  const Divider(),
                  spacerSmall,
                  Text(
                    'Image to OCR',
                    style: theme.textTheme.bodyLarge,
                  ),
                  spacerSmall,
                  Center(
                    child: Image.asset(
                      'assets/test-helloworld.png',
                      width: 200,
                    ),
                  ),
                  spacerSmall,
                  const Divider(),
                  spacerSmall,
                  Text(
                    'OCR Text',
                    style: theme.textTheme.bodyLarge,
                  ),
                  spacerSmall,
                  if (_ocrText == null)
                    const SizedBox(
                      width: 20,
                      height: 20,
                      child: CircularProgressIndicator(),
                    )
                  else
                    Text(
                      _ocrText!,
                      style: theme.textTheme.bodyLarge!.copyWith(
                        color: Colors.blue,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  spacerSmall,
                  const Divider(),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}