46 lines
1.0 KiB
Dart
46 lines
1.0 KiB
Dart
import 'dart:math';
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import 'dart:typed_data';
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import 'dart:ui';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import '../components/coordinate.dart';
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/// create by 张风捷特烈 on 2020-03-19
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/// contact me by email 1981462002@qq.com
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/// 说明: 纸
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class Paper extends StatelessWidget {
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const Paper({super.key});
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@override
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Widget build(BuildContext context) {
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return Container(
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color: Colors.white,
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child: CustomPaint(
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// 使用CustomPaint
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painter: PaperPainter(),
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),
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);
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}
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}
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class PaperPainter extends CustomPainter {
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final Coordinate coordinate = Coordinate();
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final double strokeWidth = 0.5;
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final Color color = Colors.blue;
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@override
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void paint(Canvas canvas, Size size) {
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coordinate.paint(canvas, size);
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canvas.translate(size.width / 2, size.height / 2);
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canvas.drawColor(Colors.blue, BlendMode.lighten);
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}
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@override
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bool shouldRepaint(CustomPainter oldDelegate) => false;
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}
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