[MonoTouch] byte array to UIImage

[dermotos]

public static byte[] ImageToByteArray(UIImage _image)
		{
			Byte[] byteArray;
			using(NSData nsImageData = _image.AsPNG())
			{
				byteArray = new Byte[nsImageData.Length];
			
System.Runtime.InteropServices.Marshal.Copy(nsImageData.Bytes,byteArray,0,Convert.ToInt32(nsImageData.Length));
			}
			
			return byteArray;
		}
		
		public static UIImage ByteArrayToImage(byte[] _imageBuffer)
		{
			if(_imageBuffer != null)
			{
				if(_imageBuffer.Length != 0)
				{
				NSData imageData = NSData.FromArray(_imageBuffer);
	    		return UIImage.LoadFromData(imageData);
				}
				else
					return new UIImage();
				
			}
			else
				return new UIImage();
		}

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