Flutter vector graphics - Custom painter example

vector_heart.dart

import 'package:flutter/material.dart';

const 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(
        body: Center(
          child: Heart(),
        ),
      ),
    );
  }
}

class Heart extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return SizedBox(
      width: 64,
      height: 64,
      child: CustomPaint(
        painter: HeartPainter(),
      ),
    );
  }
}

class HeartPainter extends CustomPainter {
  static final path = Path()
    ..moveTo(72, 15)
    ..cubicTo(39, -21, -14, 13, 4, 57)
    ..cubicTo(12, 75, 62, 119, 67, 124)
    ..cubicTo(70, 126, 74, 126, 77, 124)
    ..cubicTo(82, 119, 132, 75, 140, 57)
    ..cubicTo(159, 12, 101, -21, 72, 15)
    ..close();

  @override
  void paint(Canvas canvas, Size size) {
    final fill = Paint()
      ..style = PaintingStyle.fill
      ..color = const Color(0xffFF3D5B);
    canvas.drawPath(path, fill);
  }

  @override
  bool shouldRepaint(covariant CustomPainter oldDelegate) {
    return false;
  }
}