Curved Hexagon Shaped Painter

curved_hexagon_paint.dart

import 'package:flutter/material.dart';
//import 'dart:math' as math;

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        // Outer white container with padding
        body: Container(
          color: Colors.white,
          padding: EdgeInsets.symmetric(horizontal: 40, vertical: 80),
          // Inner yellow container
          child: Container(
            padding: EdgeInsets.all(15),
            // pass double.infinity to prevent shrinking of the painter area to 0.
            width: 130,
            height: 150,
            color: Colors.yellow,
            child: CustomPaint(painter: CurvedHexagonPainter()),
          ),
        ),
      ),
    );
  }
}

class CurvedHexagonPainter extends CustomPainter {
  void paint(Canvas canvas, Size size) {
    Path path = Path();

    path
      ..moveTo(size.width * .6, size.height * .05)
      // moving to topCenter 1st, then draw the path
      ..lineTo(size.width * .95, size.height * .20)
      ..quadraticBezierTo(
          size.width, size.height * .25, size.width, size.height * .30,)
      ..lineTo(size.width, size.height * .70)
      ..quadraticBezierTo(
          size.width, size.height * .75, size.width * .95, size.height * .80)
      ..lineTo(size.width * .6, size.height * .95)
      //Bottom Curve
      ..quadraticBezierTo(
          size.width * .5, size.height, size.width * .4, size.height * .95)
      ..lineTo(size.width * 0.05, size.height * .80)
      ..quadraticBezierTo(0, size.height * .75, 0, size.height * .70)
      ..lineTo(0, size.height * .30)
      ..quadraticBezierTo(
          0, size.height * .25, size.width * 0.05, size.height * .20)
      ..lineTo(size.width * .4, size.height * .05)
      ..quadraticBezierTo(
          size.width * .5, 0, size.width * .6, size.height * .05)
      ..close();

    canvas.drawPath(path, Paint()..color = Colors.red);
  }

  @override
  bool shouldRepaint(CurvedHexagonPainter oldDelegate) => false;
}