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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;

using OpenTK.Platform;

namespace OpenTK.Graphics

{

    // Provides the foundation for all IGraphicsContext implementations.

    abstract class GraphicsContextBase : IGraphicsContext, IGraphicsContextInternal

    {

        #region Fields

        bool disposed;

        protected ContextHandle Handle;

        protected GraphicsMode Mode;

        #endregion

        #region IGraphicsContext Members

        public abstract void SwapBuffers();

        public abstract void MakeCurrent(IWindowInfo window);

        public abstract bool IsCurrent { get; }

        public bool IsDisposed

        {

            get { return disposed; }

            protected set { disposed = value; }

        }

        public abstract bool VSync { get; set; }

        public virtual void Update(IWindowInfo window) { }

        public GraphicsMode GraphicsMode { get { return Mode; } }

        public bool ErrorChecking

        {

            get { throw new NotImplementedException(); }

            set { throw new NotImplementedException(); }

        }

        #endregion

        #region IGraphicsContextInternal Members

        public IGraphicsContext Implementation { get { return this; } }

        public abstract void LoadAll();

        public ContextHandle Context { get { return Handle; } }

        public abstract IntPtr GetAddress(string function);

        #endregion

        #region IDisposable Members

        public abstract void Dispose();

        #endregion

    }

}