etch 0.0.1

A simplified, declarative way to use CustomPainter in Flutter

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: const DemoPage());
  }
}

class DemoPage extends StatefulWidget {
  const DemoPage({Key? key}) : super(key: key);

  @override
  _DemoPageState createState() => _DemoPageState();
}

class _DemoPageState extends State<DemoPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: EtchCanvas(
          etchElements: [
            EtchLayer.scale(
              scale: Offset(1, 2),
              etchElements: [
                EtchLine(start: Offset(0, 0), end: Offset(100, 100)),
                EtchLine(start: Offset(0, 50), end: Offset(100, 100)),
              ],
            ),
            EtchPath(
              etchPathElements: [
                EtchPathMoveTo(point: Offset(0, 0)),
                EtchPathLine(point: Offset(110, 0)),
                EtchPathLine(point: Offset(110, 110)),
                EtchPathClose(),
              ],
              etchPaint: EtchPaint(
                style: PaintingStyle.stroke,
              ),
            ),
            EtchRect.alignment(
              topLeftAlignment: Offset.zero,
              bottomRightAlignment: Offset(1, 1),
            ),
            EtchOval.alignment(
              topLeftAlignment: Offset(-1, -1),
              bottomRightAlignment: Offset(0, 0),
            ),
            // EtchArc.alignment(
            //   topLeftAlignment: Offset(-1, -1),
            //   bottomRightAlignment: Offset(1, 1),
            //   startAngle: 0,
            //   sweepAngle: 2,
            // ),
          ],
          child: Container(
            width: 100.0,
            height: 100.0,
          ),
        ),
      ),
    );
  }
}