// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
// Copied from: https://github.com/dotnet/corefx/tree/master/src/System.Drawing.Primitives/src/System/Drawing
using System.ComponentModel;
namespace Terminal.Gui;
/// Represents an ordered pair of x and y coordinates that define a point in a two-dimensional plane.
public struct PointF : IEquatable
{
/// Creates a new instance of the class with member data left uninitialized.
public static readonly PointF Empty;
/// Initializes a new instance of the class with the specified coordinates.
public PointF (float x, float y)
{
X = x;
Y = y;
}
/// Gets a value indicating whether this is empty.
[Browsable (false)]
public bool IsEmpty => X == 0f && Y == 0f;
/// Gets the x-coordinate of this .
public float X { get; set; }
/// Gets the y-coordinate of this .
public float Y { get; set; }
/// Translates a by a given .
public static PointF operator + (PointF pt, Size sz) { return Add (pt, sz); }
/// Translates a by the negative of a given .
public static PointF operator - (PointF pt, Size sz) { return Subtract (pt, sz); }
/// Translates a by a given .
public static PointF operator + (PointF pt, SizeF sz) { return Add (pt, sz); }
/// Translates a by the negative of a given .
public static PointF operator - (PointF pt, SizeF sz) { return Subtract (pt, sz); }
///
/// Compares two objects. The result specifies whether the values of the
/// and properties of the two
/// objects are equal.
///
public static bool operator == (PointF left, PointF right) { return left.X == right.X && left.Y == right.Y; }
///
/// Compares two objects. The result specifies whether the values of the
/// or properties of the two
/// objects are unequal.
///
public static bool operator != (PointF left, PointF right) { return !(left == right); }
/// Translates a by a given .
public static PointF Add (PointF pt, Size sz) { return new PointF (pt.X + sz.Width, pt.Y + sz.Height); }
/// Translates a by the negative of a given .
public static PointF Subtract (PointF pt, Size sz) { return new PointF (pt.X - sz.Width, pt.Y - sz.Height); }
/// Translates a by a given .
public static PointF Add (PointF pt, SizeF sz) { return new PointF (pt.X + sz.Width, pt.Y + sz.Height); }
/// Translates a by the negative of a given .
public static PointF Subtract (PointF pt, SizeF sz) { return new PointF (pt.X - sz.Width, pt.Y - sz.Height); }
///
/// Compares two objects. The result specifies whether the values of the
/// and properties of the two
/// objects are equal.
///
public override bool Equals (object obj) { return obj is PointF && Equals ((PointF)obj); }
///
/// Compares two objects. The result specifies whether the values of the
/// and properties of the two
/// objects are equal.
///
public bool Equals (PointF other) { return this == other; }
/// Generates a hashcode from the X and Y components
///
public override int GetHashCode () { return X.GetHashCode () ^ Y.GetHashCode (); }
/// Returns a string including the X and Y values
///
public override string ToString () { return "{X=" + X + ", Y=" + Y + "}"; }
}