flutter_canvas_template_editor/lib/polygon_pain...

// 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
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// 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;
}