UVtools/UVtools.Core/Layers/IssueOfContours.cs

/*
 *                     GNU AFFERO GENERAL PUBLIC LICENSE
 *                       Version 3, 19 November 2007
 *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 *  Everyone is permitted to copy and distribute verbatim copies
 *  of this license document, but changing it is not allowed.
 */

using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using UVtools.Core.Extensions;

namespace UVtools.Core.Layers
{
    public sealed class IssueOfContours : Issue
    {
        /// <summary>
        /// Gets the points contours of the issue
        /// </summary>
        public Point[][] Contours { get; init; }

        public IssueOfContours(Layer layer, IEnumerable<Point[]> contours, Rectangle boundingRectangle, double area) : base(layer, boundingRectangle, area)
        {
            Contours = contours.ToArray();
            PixelsCount = (uint)area;
            FirstPoint = Contours[0][0];
        }

        public IssueOfContours(Layer layer, IEnumerable<Point[]> contours, Rectangle boundingRectangle = default) : this(layer, contours, boundingRectangle, boundingRectangle.Area())
        { }

        private bool Equals(IssueOfContours other)
        {
            if (!base.Equals(other)) return false;
            if (Contours.Length != other.Contours.Length) return false;
            for (int i = 0; i < Contours.Length; i++)
            {
                if (!Contours[i].SequenceEqual(other.Contours[i])) return false;
            }

            return true;
        }

        public override bool Equals(object obj)
        {
            return ReferenceEquals(this, obj) || obj is IssueOfContours other && Equals(other);
        }

        public override int GetHashCode()
        {
            return (Contours != null ? Contours.GetHashCode() : 0);
        }
    }
}