dotted_line_array 0.1.0 dotted_line_array: ^0.1.0 copied to clipboard
A Flutter library for drawing dotted line and arc with HTML5 Canvas API's array syntax
import 'dart:math';
import 'package:dotted_line_array/dotted_line_array.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
body: CustomPaint(
painter: FakeBarcode(context),
child: SizedBox(
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
),
),
);
}
}
class FakeBarcode extends CustomPainter {
final BuildContext context;
const FakeBarcode(this.context);
@override
void paint(Canvas canvas, Size size) {
final size = MediaQuery.of(context).size;
// random barcode-like pattern
const lineDash = [20.0, 6.7, 3.0, 5.0, 10.0, 7.0, -1.0];
final paint = Paint()
..strokeWidth = 30
..color = Colors.pinkAccent;
setLineDash(canvas, Offset(0, size.height / 2), Offset(size.width, size.height /2 ),
paint, lineDash);
}
@override
bool shouldRepaint(covariant CustomPainter oldDelegate) {
return false;
}
}
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