Subversion Repositories AndroidProjects

#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 NO_SYSDRAWING

    /// <summary>

    /// Stores the width and height of a rectangle.

    /// </summary>

    public struct Size : IEquatable<Size>

    {

        #region Fields

        int width, height;

        #endregion

        #region Constructors

        /// <summary>

        /// Constructs a new Size 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)

            : this()

        {

            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="obj">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

}