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namespace GMap.NET.MapProviders
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{
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   using System;
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   /// <summary>
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   /// CzechHistoryMap provider, http://www.mapy.cz/
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   /// </summary>
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   public class CzechHistoryMapProviderOld : CzechMapProviderBaseOld
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   {
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      public static readonly CzechHistoryMapProviderOld Instance;
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      CzechHistoryMapProviderOld()
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      {
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      }
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      static CzechHistoryMapProviderOld()
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      {
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         Instance = new CzechHistoryMapProviderOld();
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      }
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      #region GMapProvider Members
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      readonly Guid id = new Guid("C666AAF4-9D27-418F-97CB-7F0D8CC44544");
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      public override Guid Id
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      {
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         get
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         {
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            return id;
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         }
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      }
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      readonly string name = "CzechHistoryOldMap";
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      public override string Name
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      {
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         get
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         {
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            return name;
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         }
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      }
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      GMapProvider[] overlays;
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      public override GMapProvider[] Overlays
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      {
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         get
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         {
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            if(overlays == null)
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            {
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               overlays = new GMapProvider[] { this, CzechHybridMapProviderOld.Instance };
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            }
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            return overlays;
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         }
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      }
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      public override PureImage GetTileImage(GPoint pos, int zoom)
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      {
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         string url = MakeTileImageUrl(pos, zoom, LanguageStr);
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         return GetTileImageUsingHttp(url);
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      }
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      #endregion
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      string MakeTileImageUrl(GPoint pos, int zoom, string language)
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      {
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         // http://m4.mapserver.mapy.cz/army2/9_7d00000_8080000
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         long xx = pos.X << (28 - zoom);
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         long yy = ((((long)Math.Pow(2.0, (double)zoom)) - 1) - pos.Y) << (28 - zoom);
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         return string.Format(UrlFormat, GetServerNum(pos, 3) + 1, zoom, xx, yy);
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      }
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      static readonly string UrlFormat = "http://m{0}.mapserver.mapy.cz/army2/{1}_{2:x7}_{3:x7}";
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   }
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}