#region Using Statements
using System;
using System.IO;
using System.Runtime.InteropServices;
using ANX.Framework.NonXNA;
using ANX.Framework.NonXNA.RenderSystem;

#endregion // Using Statements

// This file is part of the ANX.Framework created by the
// "ANX.Framework developer group" and released under the Ms-PL license.
// For details see: http://anxframework.codeplex.com/license

namespace ANX.Framework.Graphics
{
    public class Texture2D : Texture, IGraphicsResource
    {
        #region Private
        protected internal int width;
        protected internal int height;

				private INativeTexture2D nativeTexture2D;
				private INativeTexture2D NativeTexture2D
				{
					get
					{
						if (nativeTexture2D == null)
						{
							CreateNativeTextureSurface();
						}

						return nativeTexture2D;
					}
				}
				#endregion

				#region Public
				public Rectangle Bounds
				{
					get
					{
						return new Rectangle(0, 0, this.width, this.height);
					}
				}

				public int Width
				{
					get
					{
						return this.width;
					}
				}

				public int Height
				{
					get
					{
						return this.height;
					}
				}
				#endregion

				#region Constructor (TODO)
				internal Texture2D(GraphicsDevice graphicsDevice)
            : base(graphicsDevice)
        {
        }

        public Texture2D(GraphicsDevice graphicsDevice, int width, int height)
            : base(graphicsDevice)
        {
            this.width = width;
            this.height = height;

            base.levelCount = 1;
            base.format = SurfaceFormat.Color;

            CreateNativeTextureSurface();
        }

				public Texture2D(GraphicsDevice graphicsDevice, int width, int height,
					[MarshalAsAttribute(UnmanagedType.U1)] bool mipMap, SurfaceFormat format)
            : base(graphicsDevice)
        {
            this.width = width;
            this.height = height;

            base.levelCount = 1;    //TODO: mipmap paramter?!?!?
            base.format = format;

            CreateNativeTextureSurface();
        }
				#endregion

				#region FromStream (TODO)
				public static Texture2D FromStream(GraphicsDevice graphicsDevice,
					Stream stream)
        {
            throw new NotImplementedException();
        }

				public static Texture2D FromStream(GraphicsDevice graphicsDevice,
					Stream stream, int width, int height,
					[MarshalAsAttribute(UnmanagedType.U1)] bool zoom)
        {
            throw new NotImplementedException();
        }
				#endregion

				#region GetData
				public void GetData<T>(int level, Nullable<Rectangle> rect, T[] data,
					int startIndex, int elementCount) where T : struct
        {
					NativeTexture2D.GetData(level, rect, data, startIndex, elementCount);
        }

        public void GetData<T>(T[] data) where T : struct
				{
					NativeTexture.GetData(data);
        }

        public void GetData<T>(T[] data, int startIndex, int elementCount) where T : struct
        {
					NativeTexture.GetData(data, startIndex, elementCount);
				}
				#endregion

				#region SetData
				public void SetData<T>(int level, Nullable<Rectangle> rect, T[] data,
					int startIndex, int elementCount) where T : struct
				{
					NativeTexture2D.SetData(level, rect, data, startIndex, elementCount);
        }

        public void SetData<T>(T[] data) where T : struct
        {
            NativeTexture.SetData<T>(GraphicsDevice, data);
        }

        public void SetData<T>(T[] data, int startIndex, int elementCount) where T : struct
        {
            NativeTexture.SetData<T>(GraphicsDevice, data, startIndex, elementCount);
				}
				#endregion

				#region SaveAsJpeg
				public void SaveAsJpeg(Stream stream, int width, int height)
				{
					NativeTexture2D.SaveAsJpeg(stream, width, height);
				}
				#endregion

				#region SaveAsPng
				public void SaveAsPng(Stream stream, int width, int height)
				{
					NativeTexture2D.SaveAsPng(stream, width, height);
				}
				#endregion

				#region Dispose
				public override void Dispose()
        {
            base.Dispose(true);
        }

				protected override void Dispose(
					[MarshalAs(UnmanagedType.U1)] bool disposeManaged)
        {
            base.Dispose(disposeManaged);
				}
				#endregion

				#region ReCreateNativeTextureSurface
				internal override void ReCreateNativeTextureSurface()
        {
            CreateNativeTextureSurface();
				}
				#endregion

				#region CreateNativeTextureSurface
				private void CreateNativeTextureSurface()
        {
					nativeTexture2D =
						AddInSystemFactory.Instance.GetDefaultCreator<IRenderSystemCreator>().CreateTexture(GraphicsDevice, format, width, height, levelCount);
					base.nativeTexture = nativeTexture2D;
				}
				#endregion
    }
}