/Main/src/DynamicDataDisplay.Maps/Servers/MemoryServers/MemoryTileServer.cs

 1using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5using System.Windows.Media.Imaging;
 6using System.Windows.Media;
 7using System.IO;
 8
 9namespace Microsoft.Research.DynamicDataDisplay.Charts.Maps
10{
11	public sealed class MemoryTileServer : TileServerBase, ITileSystem	{
12		public MemoryTileServer(string name)
13		{
14			ServerName = name;
15		}
16
17		private readonly Dictionary<TileIndex, BitmapSource> cache = new Dictionary<TileIndex, BitmapSource>(new TileIndex.TileIndexEqualityComparer());
18
19		public override bool Contains(TileIndex id)
20		{
21			return cache.ContainsKey(id);
22		}
23
24		public override void BeginLoadImage(TileIndex id)
25		{
26			if (Contains(id))
27				ReportSuccess(cache[id], id);
28			else
29				ReportFailure(id);
30		}
31
32		public BitmapSource this[TileIndex id]
33		{
34			get
35			{
36				return cache[id];
37			}
38		}
39
40		#region ITileStore Members
41
42		public void BeginSaveImage(TileIndex id, BitmapSource image, Stream stream)
43		{
44			cache[id] = image;
45		}
46
47		#endregion
48
49        #region ITileStore Members
50
51
52        public void Clear()
53        {
54            throw new NotImplementedException();
55        }
56
57        #endregion
58    }
59}