namespace Oni.Imaging
{
    internal struct Point
    {
        public static readonly Point UnitX = new Point(1, 0);
        public static readonly Point UnitY = new Point(0, 1);

        public int X;
        public int Y;

        public Point(int x, int y)
        {
            X = x;
            Y = y;
        }

        public static Point operator +(Point p0, Point p1) => new Point(p0.X + p1.X, p0.Y + p1.Y);
        public static Point operator -(Point p0, Point p1) => new Point(p0.X - p1.X, p0.Y - p1.Y);

        public static bool operator ==(Point p0, Point p1) => p0.X == p1.X && p0.Y == p1.Y;
        public static bool operator !=(Point p0, Point p1) => p0.X != p1.X || p0.Y != p1.Y;

        public override bool Equals(object obj) => obj is Point && ((Point)obj) == this;

        public override int GetHashCode() => X.GetHashCode() ^ Y.GetHashCode();
    }
}