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Size.cs
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Size.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
namespace System.Drawing
{
/// <summary>
/// Represents the size of a rectangular region with an ordered pair of width and height.
/// </summary>
[Serializable]
[System.Runtime.CompilerServices.TypeForwardedFrom("System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
[TypeConverter("System.Drawing.SizeConverter, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
public struct Size : IEquatable<Size>
{
/// <summary>
/// Initializes a new instance of the <see cref='System.Drawing.Size'/> class.
/// </summary>
public static readonly Size Empty;
private int width; // Do not rename (binary serialization)
private int height; // Do not rename (binary serialization)
/// <summary>
/// Initializes a new instance of the <see cref='System.Drawing.Size'/> class from the specified
/// <see cref='System.Drawing.Point'/>.
/// </summary>
public Size(Point pt)
{
width = pt.X;
height = pt.Y;
}
/// <summary>
/// Initializes a new instance of the <see cref='System.Drawing.Size'/> class from the specified dimensions.
/// </summary>
public Size(int width, int height)
{
this.width = width;
this.height = height;
}
/// <summary>
/// Converts the specified <see cref='System.Drawing.Size'/> to a <see cref='System.Drawing.SizeF'/>.
/// </summary>
public static implicit operator SizeF(Size p) => new SizeF(p.Width, p.Height);
/// <summary>
/// Performs vector addition of two <see cref='System.Drawing.Size'/> objects.
/// </summary>
public static Size operator +(Size sz1, Size sz2) => Add(sz1, sz2);
/// <summary>
/// Contracts a <see cref='System.Drawing.Size'/> by another <see cref='System.Drawing.Size'/>
/// </summary>
public static Size operator -(Size sz1, Size sz2) => Subtract(sz1, sz2);
/// <summary>
/// Multiplies a <see cref="Size"/> by an <see cref="int"/> producing <see cref="Size"/>.
/// </summary>
/// <param name="left">Multiplier of type <see cref="int"/>.</param>
/// <param name="right">Multiplicand of type <see cref="Size"/>.</param>
/// <returns>Product of type <see cref="Size"/>.</returns>
public static Size operator *(int left, Size right) => Multiply(right, left);
/// <summary>
/// Multiplies <see cref="Size"/> by an <see cref="int"/> producing <see cref="Size"/>.
/// </summary>
/// <param name="left">Multiplicand of type <see cref="Size"/>.</param>
/// <param name="right">Multiplier of type <see cref="int"/>.</param>
/// <returns>Product of type <see cref="Size"/>.</returns>
public static Size operator *(Size left, int right) => Multiply(left, right);
/// <summary>
/// Divides <see cref="Size"/> by an <see cref="int"/> producing <see cref="Size"/>.
/// </summary>
/// <param name="left">Dividend of type <see cref="Size"/>.</param>
/// <param name="right">Divisor of type <see cref="int"/>.</param>
/// <returns>Result of type <see cref="Size"/>.</returns>
public static Size operator /(Size left, int right) => new Size(unchecked(left.width / right), unchecked(left.height / right));
/// <summary>
/// Multiplies <see cref="Size"/> by a <see cref="float"/> producing <see cref="SizeF"/>.
/// </summary>
/// <param name="left">Multiplier of type <see cref="float"/>.</param>
/// <param name="right">Multiplicand of type <see cref="Size"/>.</param>
/// <returns>Product of type <see cref="SizeF"/>.</returns>
public static SizeF operator *(float left, Size right) => Multiply(right, left);
/// <summary>
/// Multiplies <see cref="Size"/> by a <see cref="float"/> producing <see cref="SizeF"/>.
/// </summary>
/// <param name="left">Multiplicand of type <see cref="Size"/>.</param>
/// <param name="right">Multiplier of type <see cref="float"/>.</param>
/// <returns>Product of type <see cref="SizeF"/>.</returns>
public static SizeF operator *(Size left, float right) => Multiply(left, right);
/// <summary>
/// Divides <see cref="Size"/> by a <see cref="float"/> producing <see cref="SizeF"/>.
/// </summary>
/// <param name="left">Dividend of type <see cref="Size"/>.</param>
/// <param name="right">Divisor of type <see cref="int"/>.</param>
/// <returns>Result of type <see cref="SizeF"/>.</returns>
public static SizeF operator /(Size left, float right)
=> new SizeF(left.width / right, left.height / right);
/// <summary>
/// Tests whether two <see cref='System.Drawing.Size'/> objects are identical.
/// </summary>
public static bool operator ==(Size sz1, Size sz2) => sz1.Width == sz2.Width && sz1.Height == sz2.Height;
/// <summary>
/// Tests whether two <see cref='System.Drawing.Size'/> objects are different.
/// </summary>
public static bool operator !=(Size sz1, Size sz2) => !(sz1 == sz2);
/// <summary>
/// Converts the specified <see cref='System.Drawing.Size'/> to a <see cref='System.Drawing.Point'/>.
/// </summary>
public static explicit operator Point(Size size) => new Point(size.Width, size.Height);
/// <summary>
/// Tests whether this <see cref='System.Drawing.Size'/> has zero width and height.
/// </summary>
[Browsable(false)]
public readonly bool IsEmpty => width == 0 && height == 0;
/// <summary>
/// Represents the horizontal component of this <see cref='System.Drawing.Size'/>.
/// </summary>
public int Width
{
readonly get => width;
set => width = value;
}
/// <summary>
/// Represents the vertical component of this <see cref='System.Drawing.Size'/>.
/// </summary>
public int Height
{
readonly get => height;
set => height = value;
}
/// <summary>
/// Performs vector addition of two <see cref='System.Drawing.Size'/> objects.
/// </summary>
public static Size Add(Size sz1, Size sz2) =>
new Size(unchecked(sz1.Width + sz2.Width), unchecked(sz1.Height + sz2.Height));
/// <summary>
/// Converts a SizeF to a Size by performing a ceiling operation on all the coordinates.
/// </summary>
public static Size Ceiling(SizeF value) =>
new Size(unchecked((int)Math.Ceiling(value.Width)), unchecked((int)Math.Ceiling(value.Height)));
/// <summary>
/// Contracts a <see cref='System.Drawing.Size'/> by another <see cref='System.Drawing.Size'/> .
/// </summary>
public static Size Subtract(Size sz1, Size sz2) =>
new Size(unchecked(sz1.Width - sz2.Width), unchecked(sz1.Height - sz2.Height));
/// <summary>
/// Converts a SizeF to a Size by performing a truncate operation on all the coordinates.
/// </summary>
public static Size Truncate(SizeF value) => new Size(unchecked((int)value.Width), unchecked((int)value.Height));
/// <summary>
/// Converts a SizeF to a Size by performing a round operation on all the coordinates.
/// </summary>
public static Size Round(SizeF value) =>
new Size(unchecked((int)Math.Round(value.Width)), unchecked((int)Math.Round(value.Height)));
/// <summary>
/// Tests to see whether the specified object is a <see cref='System.Drawing.Size'/> with the same dimensions
/// as this <see cref='System.Drawing.Size'/>.
/// </summary>
public override readonly bool Equals([NotNullWhen(true)] object? obj) => obj is Size && Equals((Size)obj);
public readonly bool Equals(Size other) => this == other;
/// <summary>
/// Returns a hash code.
/// </summary>
public override readonly int GetHashCode() => HashCode.Combine(Width, Height);
/// <summary>
/// Creates a human-readable string that represents this <see cref='System.Drawing.Size'/>.
/// </summary>
public override readonly string ToString() => $"{{Width={width}, Height={height}}}";
/// <summary>
/// Multiplies <see cref="Size"/> by an <see cref="int"/> producing <see cref="Size"/>.
/// </summary>
/// <param name="size">Multiplicand of type <see cref="Size"/>.</param>
/// <param name="multiplier">Multiplier of type <see cref='int'/>.</param>
/// <returns>Product of type <see cref="Size"/>.</returns>
private static Size Multiply(Size size, int multiplier) =>
new Size(unchecked(size.width * multiplier), unchecked(size.height * multiplier));
/// <summary>
/// Multiplies <see cref="Size"/> by a <see cref="float"/> producing <see cref="SizeF"/>.
/// </summary>
/// <param name="size">Multiplicand of type <see cref="Size"/>.</param>
/// <param name="multiplier">Multiplier of type <see cref="float"/>.</param>
/// <returns>Product of type SizeF.</returns>
private static SizeF Multiply(Size size, float multiplier) =>
new SizeF(size.width * multiplier, size.height * multiplier);
}
}