// Copyright (c) 2021 Razeware LLC // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // Notwithstanding the foregoing, you may not use, copy, modify, merge, publish, // distribute, sublicense, create a derivative work, and/or sell copies of the // Software in any work that is designed, intended, or marketed for pedagogical // or instructional purposes related to programming, coding, application // development, or information technology. Permission for such use, copying, // modification, merger, publication, distribution, sublicensing, creation of // derivative works, or sale is expressly withheld. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. import 'package:flutter/material.dart'; class PolygonPainter extends CustomPainter { @override void paint(Canvas canvas, Size size) { final paint = Paint() ..strokeWidth = 5 ..color = Colors.indigoAccent ..style = PaintingStyle.fill; final triangle = Path(); triangle.moveTo(150, 0); triangle.relativeLineTo(100, 100); triangle.relativeLineTo(-150, 0); triangle.close(); final square1 = Path(); square1.moveTo(50, 150); square1.relativeLineTo(100, 0); square1.relativeLineTo(0, 100); square1.relativeLineTo(-100, 0); square1.close(); const square2 = Rect.fromLTWH(200, 150, 100, 100); final hexagon = Path() // 1 ..moveTo(175, 300) // 2 ..relativeLineTo(75, 50) // 3 ..relativeLineTo(0, 75) // 4 ..relativeLineTo(-75, 50) // 5 ..relativeLineTo(-75, -50) // 6 ..relativeLineTo(0, -75) // 7 ..close(); final cross = Path() ..moveTo(150, 500) ..relativeLineTo(50, 0) ..relativeLineTo(0, 50) ..relativeLineTo(50, 0) ..relativeLineTo(0, 50) ..relativeLineTo(-50, 0) ..relativeLineTo(0, 50) ..relativeLineTo(-50, 0) ..relativeLineTo(0, -50) ..relativeLineTo(-50, 0) ..relativeLineTo(0, -50) ..relativeLineTo(50, 0) ..close(); canvas.drawPath(triangle, paint); canvas.drawPath(square1, paint); canvas.drawRect(square2, paint); canvas.drawPath(cross, paint); canvas.drawPath(hexagon, paint); } @override bool shouldRepaint(covariant CustomPainter oldDelegate) => false; }