51 lines
1003 B
Dart
51 lines
1003 B
Dart
import 'dart:ui';
|
|
|
|
import 'package:flutter/material.dart';
|
|
|
|
|
|
import 'paper_app_bar.dart';
|
|
|
|
class Paper extends StatefulWidget {
|
|
const Paper({Key? key}) : super(key: key);
|
|
|
|
@override
|
|
State<Paper> createState() => _PaperState();
|
|
}
|
|
|
|
class _PaperState extends State<Paper> {
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: PaperAppBar(onClear: _clear,),
|
|
body: CustomPaint(
|
|
painter: PaperPainter(),
|
|
child: ConstrainedBox(constraints: const BoxConstraints.expand()),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _clear() {
|
|
|
|
}
|
|
}
|
|
|
|
class PaperPainter extends CustomPainter{
|
|
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
List<Offset> points = const [
|
|
Offset(100,100),
|
|
Offset(100,150),
|
|
Offset(150,150),
|
|
Offset(200,100),
|
|
];
|
|
|
|
Paint paint = Paint();
|
|
paint.strokeWidth = 10;
|
|
canvas.drawPoints(PointMode.polygon, points , paint);
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
|
|
|
|
} |