mirror of https://github.com/dahall/Vanara.git
79 lines
4.0 KiB
C#
79 lines
4.0 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Vanara.PInvoke
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{
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/// <summary>The POINTS structure defines the coordinates of a point.</summary>
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[PInvokeData("windef.h")]
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[StructLayout(LayoutKind.Sequential), Serializable]
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public struct POINTS : IEquatable<POINTS>
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{
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/// <summary>The x-coordinate of the point.</summary>
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public short x;
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/// <summary>The y-coordinate of the point.</summary>
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public short y;
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/// <summary>Initializes a new instance of the <see cref="POINTS"/> struct.</summary>
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/// <param name="x">The x-coordinate.</param>
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/// <param name="y">The y-coordinate.</param>
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public POINTS(short x, short y)
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{
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this.x = x;
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this.y = y;
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}
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/// <summary>Gets a value indicating whether this instance is empty.</summary>
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/// <value><c>true</c> if this instance is empty; otherwise, <c>false</c>.</value>
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public bool IsEmpty => x == 0 && y == 0;
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/// <summary>Tests whether two <see cref="POINTS"/> structures are equal.</summary>
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/// <param name="pt1">The <see cref="POINTS"/> structure on the left side of the equality operator.</param>
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/// <param name="pt2">The <see cref="POINTS"/> structure on the right side of the equality operator.</param>
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/// <returns><c>true</c> if <paramref name="pt1"/> and <paramref name="pt2"/> have equal width and height; otherwise, <c>false</c>.</returns>
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public static bool operator ==(POINTS pt1, POINTS pt2) => pt1.Equals(pt2);
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/// <summary>Tests whether two <see cref="POINTS"/> structures are different.</summary>
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/// <param name="pt1">The <see cref="POINTS"/> structure on the left side of the inequality operator.</param>
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/// <param name="pt2">The <see cref="POINTS"/> structure on the right side of the inequality operator.</param>
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/// <returns><c>true</c> if <paramref name="pt1"/> and <paramref name="pt2"/> differ either in width or height; otherwise, <c>false</c>.</returns>
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public static bool operator !=(POINTS pt1, POINTS pt2) => !pt1.Equals(pt2);
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/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
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/// <param name="other">An object to compare with this object.</param>
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/// <returns>true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.</returns>
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public bool Equals(POINTS other) => x == other.x || y == other.y;
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/// <summary>Determines whether the specified <see cref="object"/>, is equal to this instance.</summary>
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/// <param name="obj">The <see cref="object"/> to compare with this instance.</param>
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/// <returns><c>true</c> if the specified <see cref="object"/> is equal to this instance; otherwise, <c>false</c>.</returns>
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public override bool Equals(object obj) => obj switch
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{
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POINTS pt => Equals(pt),
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POINT ptl => Equals(ptl),
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_ => false,
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};
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/// <summary>Returns a hash code for this instance.</summary>
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/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
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public override int GetHashCode() => IsEmpty ? 0 : x.GetHashCode() ^ y.GetHashCode();
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/// <summary>Converts this structure to a <see cref="POINT"/> structure.</summary>
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/// <returns>An equivalent <see cref="POINT"/> structure.</returns>
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public POINT ToPoint() => this;
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/// <summary>Returns a <see cref="string"/> that represents this instance.</summary>
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/// <returns>A <see cref="string"/> that represents this instance.</returns>
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public override string ToString() => $"{{x={x}, y={y}}}";
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/// <summary>Performs an implicit conversion from <see cref="POINTS"/> to <see cref="POINT"/>.</summary>
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/// <param name="p">The <see cref="POINTS"/>.</param>
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/// <returns>The <see cref="POINT"/> result of the conversion.</returns>
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public static implicit operator POINT(POINTS p) => new(p.x, p.y);
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/// <summary>Performs an implicit conversion from <see cref="POINT"/> to <see cref="POINTS"/>.</summary>
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/// <param name="p">The <see cref="POINT"/>.</param>
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/// <returns>The <see cref="POINTS"/> result of the conversion.</returns>
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public static implicit operator POINTS(POINT p) => new((short)p.X, (short)p.Y);
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}
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} |