clipper2 0.0.3

The clipper2 library performs intersection, union, difference and xor boolean operations on both simple and complex polygons. It also performs polygon offsetting.

example/lib/main.dart

import 'package:flutter/material.dart';

import 'clipper_page.dart';
import 'minkowski_page.dart';
import 'offset_page.dart';

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

class ClipperApp extends StatelessWidget {
  const ClipperApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Clipper2 Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
      ),
      home: const HomePage(),
    );
  }
}

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

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  var _tab = _Tab.clipper;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text('Clipper2 Demo'),
      ),
      body: Column(
        children: [
          Expanded(
            child: switch (_tab) {
              _Tab.clipper => const ClipperPage(),
              _Tab.offset => const OffsetPage(),
              _Tab.minkowski => const MinkowskiPage(),
            },
          ),
          NavigationBar(
            selectedIndex: _tab.index,
            onDestinationSelected:
                (index) => setState(() => _tab = _Tab.values[index]),
            destinations: [
              NavigationDestination(
                icon: const Icon(Icons.cut),
                label: 'Clipper',
              ),
              NavigationDestination(
                icon: const Icon(Icons.expand),
                label: 'Offset',
              ),
              NavigationDestination(
                icon: const Icon(Icons.star_border),
                label: 'Minkowski',
              ),
            ],
          ),
        ],
      ),
    );
  }
}

enum _Tab { clipper, offset, minkowski }