Opentk/Source/OpenTK/Math/Size.cs

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#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
namespace OpenTK
{
#if EXPERIMENTAL
public struct Size : IEquatable<Size>
{
#region Fields
int width, height;
#endregion
#region Constructors
/// <summary>
/// Constructs a new instance.
/// </summary>
/// <param name="width">The width of this instance.</param>
/// <param name="height">The height of this instance.</param>
public Size(int width, int height)
{
Width = width;
Height = height;
}
#endregion
#region Public Members
/// <summary>
/// Gets or sets the width of this instance.
/// </summary>
public int Width
{
get { return width; }
set
{
if (width < 0)
throw new ArgumentOutOfRangeException();
width = value;
}
}
/// <summary>
/// Gets or sets the height of this instance.
/// </summary>
public int Height
{
get { return height; }
set
{
if (height < 0)
throw new ArgumentOutOfRangeException();
height = value;
}
}
/// <summary>
/// Gets a <see cref="System.Boolean"/> that indicates whether this instance is empty or zero.
/// </summary>
public bool IsEmpty
{
get { return Width == 0 && Height == 0; }
}
/// <summary>
/// Returns a Size instance equal to (0, 0).
/// </summary>
public static readonly Size Empty = new Size();
/// <summary>
/// Returns a Size instance equal to (0, 0).
/// </summary>
public static readonly Size Zero = new Size();
/// <summary>
/// Compares two instances for equality.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>True, if left is equal to right; false otherwise.</returns>
public static bool operator ==(Size left, Size right)
{
return left.Equals(right);
}
/// <summary>
/// Compares two instances for inequality.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>True, if left is not equal to right; false otherwise.</returns>
public static bool operator !=(Size left, Size right)
{
return !left.Equals(right);
}
/// <summary>
/// Converts an OpenTK.Size instance to a System.Drawing.Size.
/// </summary>
/// <param name="size">
/// The <see cref="Size"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="System.Drawing.Size"/> instance equivalent to size.
/// </returns>
public static implicit operator System.Drawing.Size(Size size)
{
return new System.Drawing.Size(size.Width, size.Height);
}
/// <summary>
/// Converts a System.Drawing.Size instance to an OpenTK.Size.
/// </summary>
/// <param name="size">
/// The <see cref="System.Drawing.Size"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="Size"/> instance equivalent to size.
/// </returns>
public static implicit operator Size(System.Drawing.Size size)
{
return new Size(size.Width, size.Height);
}
/// <summary>
/// Converts an OpenTK.Point instance to a System.Drawing.SizeF.
/// </summary>
/// <param name="size">
/// The <see cref="Size"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="System.Drawing.SizeF"/> instance equivalent to size.
/// </returns>
public static implicit operator System.Drawing.SizeF(Size size)
{
return new System.Drawing.SizeF(size.Width, size.Height);
}
/// <summary>
/// Indicates whether this instance is equal to the specified object.
/// </summary>
/// <param name="other">The object instance to compare to.</param>
/// <returns>True, if both instances are equal; false otherwise.</returns>
public override bool Equals(object obj)
{
if (obj is Size)
return Equals((Size)obj);
return false;
}
/// <summary>
/// Returns the hash code for this instance.
/// </summary>
/// <returns>A <see cref="System.Int32" that represents the hash code for this instance./></returns>
public override int GetHashCode()
{
return Width.GetHashCode() ^ Height.GetHashCode();
}
/// <summary>
/// Returns a <see cref="System.String"/> that describes this instance.
/// </summary>
/// <returns>A <see cref="System.String"/> that describes this instance.</returns>
public override string ToString()
{
return String.Format("{{{0}, {1}}}", Width, Height);
}
#endregion
#region IEquatable<Size> Members
/// <summary>
/// Indicates whether this instance is equal to the specified Size.
/// </summary>
/// <param name="other">The instance to compare to.</param>
/// <returns>True, if both instances are equal; false otherwise.</returns>
public bool Equals(Size other)
{
return Width == other.Width && Height == other.Height;
}
#endregion
}
#endif
}