handwritingprocessing 0.0.16

Picture black and white, remove red and blue handwriting processing

example/lib/main.dart

import 'package:flutter/material.dart';
import 'fill_color_page.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: FillColorPage(),
    );
  }
}