EdaTools

using System;
using System.ComponentModel;

namespace MikroPic.EdaTools.v1.Base.Geometry {

    /// <summary>
    /// Estructura que representa un tamany d'una superficie rectangular en milionesimes de la unitat.
    /// </summary>
    /// 
    [TypeConverter(typeof(EdaSizeConverter))]
    public readonly struct EdaSize: IEquatable<EdaSize> {

        private readonly int _width;
        private readonly int _height;

        /// <summary>
        /// Constructor de l'objecte.
        /// </summary>
        /// <param name="width">Amplada.</param>
        /// <param name="height">Açada.</param>
        /// 
        public EdaSize(int width = 0, int height = 0) {

            if (width < 0)
                throw new ArgumentOutOfRangeException(nameof(width));
            if (height < 0)
                throw new ArgumentOutOfRangeException(nameof(height));

            _width = width;
            _height = height;
        }

        /// <inheritdoc/>
        /// 
        public override int GetHashCode() =>
            HashCode.Combine(_width, _height);

        /// <inheritdoc/>
        /// 
        public override string ToString() =>
            string.Format("W: {0}; H: {1}", _width, _height);

        /// <summary>
        /// Operacio d'igualtat entre dos objectes.
        /// </summary>
        /// <param name="other"></param>
        /// <returns>True si son iguals.</returns>
        /// 
        public bool Equals(EdaSize other) =>
            (_width, _height) == (other._width, other._height);

        /// <summary>
        /// Comprovacio d'igualtat entre dos objectes.
        /// </summary>
        /// <param name="obj">L'altre objecte.</param>
        /// <returns>True si son iguals.</returns>
        /// 
        public override bool Equals(object obj) =>
            (obj is EdaSize other) && Equals(other);

        public static bool operator ==(EdaSize s1, EdaSize s2) =>
            s1.Equals(s2);

        public static bool operator !=(EdaSize s1, EdaSize s2) =>
            !s1.Equals(s2);

        /// <summary>
        /// Obte l'amplada.
        /// </summary>
        /// 
        public int Width =>
            _width;

        /// <summary>
        /// Obte l'alçada
        /// </summary>
        /// 
        public int Height =>
            _height;
    }
}