Source/OpenTK/Math/Size.cs

#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
    public struct Size : IEquatable<Size>
    {
        #region Fields

        int width, height;

        #endregion

        #region Constructors

        public Size(int width, int height)
            : this()
        {
            Width = width;
            Height = height;
        }

        #endregion

        #region Public Members

        public int Width
        {
            get { return width; }
            set
            {
                if (width < 0)
                    throw new ArgumentOutOfRangeException();
                width = value;
            }
        }

        public int Height
        {
            get { return height; }
            set
            {
                if (height < 0)
                    throw new ArgumentOutOfRangeException();
                height = value;
            }
        }

        public bool IsEmpty
        {
            get { return Width == 0 && Height == 0; }
        }

        public static readonly Size Empty = new Size();

        public static readonly Size Zero = new Size();

        public static bool operator ==(Size left, Size right)
        {
            return left.Equals(right);
        }

        public static bool operator !=(Size left, Size right)
        {
            return !left.Equals(right);
        }

        public static implicit operator System.Drawing.Size(Size size)
{
            return new System.Drawing.Size(size.Width, size.Height);
        }

        public static implicit operator Size(System.Drawing.Size size)
        {
            return new Size(size.Width, size.Height);
        }

        public static implicit operator System.Drawing.SizeF(Size size)
        {
            return new System.Drawing.SizeF(size.Width, size.Height);
         }

        public override bool Equals(object obj)
        {
            if (obj is Size)
                return Equals((Size)obj);
            
            return false;
        }

        public override int GetHashCode()
        {
            return Width.GetHashCode() ^ Height.GetHashCode();
        }

        public override string ToString()
        {
            return String.Format("{{{0}, {1}}}", Width, Height);
        }

        #endregion

        #region IEquatable<Size> Members

        public bool Equals(Size other)
        {
            return Width == other.Width && Height == other.Height;
        }
        
        #endregion
    }
#endif
}

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