MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Linq;

namespace ImageFields

{

    internal class DZTCommon

    {

        // Fields

        private static XNamespace deepZoomNamespace2008 = "http://schemas.microsoft.com/deepzoom/2008";

        private static XNamespace deepZoomNamespace2009 = "http://schemas.microsoft.com/deepzoom/2009";

        public const string TileFolder = "_files";

        // Methods

        internal static void MortonToXY(uint morton, out uint x, out uint y)

        {

            x = y = 0;

            for (int i = 0; i < 0x10L; i++)

            {

                x = (uint)(x | ((morton & 1) << (i & 0x1f)));

                y = (uint)(y | (((morton & 2) >> 1) << (i & 0x1f)));

                morton = morton >> 2;

            }

        }

        public static bool VerifyDZNamespace(XNamespace nspace)

        {

            bool flag = false;

            if ((nspace == deepZoomNamespace2009) || (nspace == deepZoomNamespace2008))

            {

                flag = true;

            }

            return flag;

        }

        internal static uint XYToMorton(uint x, uint y)

        {

            uint num = 0;

            for (int i = 0; i < 0x10L; i++)

            {

                num |= (uint)((x & 1) << ((i * 2) & 0x1f));

                num |= (uint)((y & 1) << (((i * 2) + 1) & 0x1f));

                x = x >> 1;

                y = y >> 1;

            }

            return num;

        }

        // Properties

        public static XNamespace DeepZoomNamespace

        {

            get

            {

                return deepZoomNamespace2009;

            }

        }

    }

}