mirror of
https://github.com/ClemensFischer/XAML-Map-Control.git
synced 2025-12-06 07:12:04 +01:00
Added ImageFileCache, removed TileImageLoader.CreateCache.
This commit is contained in:
ClemensF
parent
ae4fb7881a
commit
db1201ad47
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@ -12,7 +12,7 @@ namespace Caching
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/// <summary>
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/// ObjectCache implementation based on EzTools FileDb - http://www.eztools-software.com/tools/filedb/.
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/// </summary>
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public class FileDbCache : ObjectCache, IDisposable
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public class FileDbCache : ObjectCache
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{
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private const string keyField = "Key";
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private const string valueField = "Value";
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@ -67,7 +67,7 @@ namespace Caching
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}
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this.name = name;
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path = Path.Combine(directory, name);
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path = Path.Combine(directory, name.Trim());
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if (string.IsNullOrEmpty(Path.GetExtension(path)))
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{
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@ -91,6 +91,11 @@ namespace Caching
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{
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CreateDatabase();
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}
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if (fileDb.IsOpen)
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{
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AppDomain.CurrentDomain.ProcessExit += OnProcessExit;
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}
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}
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public bool AutoFlush
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@ -406,38 +411,27 @@ namespace Caching
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}
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}
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public void Dispose()
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public void Close()
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{
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if (fileDb.IsOpen)
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{
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fileDb.Close();
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AppDomain.CurrentDomain.ProcessExit -= OnProcessExit;
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}
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}
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private bool RepairDatabase()
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private void OnProcessExit(object sender, EventArgs e)
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{
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try
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{
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fileDb.Reindex();
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}
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catch (Exception ex)
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{
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Trace.TraceWarning("FileDbCache: FileDb.Reindex() failed: {0}", ex.Message);
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return CreateDatabase();
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Close();
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}
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return true;
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}
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private bool CreateDatabase()
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private void CreateDatabase()
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{
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if (fileDb.IsOpen)
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{
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fileDb.Close();
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}
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try
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{
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if (File.Exists(path))
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{
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File.Delete(path);
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@ -457,11 +451,27 @@ namespace Caching
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Trace.TraceInformation("FileDbCache: Created database {0}", path);
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}
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catch (Exception ex)
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private bool RepairDatabase()
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{
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Trace.TraceWarning("FileDbCache: Creating database failed: {0}", ex.Message);
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try
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{
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fileDb.Reindex();
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}
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catch (Exception ex1)
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{
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Trace.TraceWarning("FileDbCache: FileDb.Reindex() failed: {0}", ex1.Message);
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try
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{
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CreateDatabase();
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}
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catch (Exception ex2)
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{
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Trace.TraceWarning("FileDbCache: Creating database {0} failed: {1}", path, ex2.Message);
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return false;
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}
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}
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return true;
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}
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293
Caching/ImageFileCache/ImageFileCache.cs
Normal file
293
Caching/ImageFileCache/ImageFileCache.cs
Normal file
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@ -0,0 +1,293 @@
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Runtime.Caching;
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namespace Caching
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{
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/// <summary>
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/// ObjectCache implementation based on local image files.
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/// The only valid data type for cached values is a byte[], which contains
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/// an 8-byte binary UTC time (as created by DateTime.ToBinary), followed
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/// by a PNG, JPEG, BMP, GIF, TIFF or WMP image buffer.
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/// </summary>
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public class ImageFileCache : ObjectCache
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{
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private readonly string name;
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private readonly string directory;
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public ImageFileCache(string name, NameValueCollection config)
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: this(name, config["directory"])
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{
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}
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public ImageFileCache(string name, string directory)
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{
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if (string.IsNullOrWhiteSpace(name))
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{
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throw new ArgumentException("The parameter name must not be null or empty or only white-space.");
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}
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if (string.IsNullOrWhiteSpace(directory))
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{
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throw new ArgumentException("The parameter directory must not be null or empty or only white-space.");
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}
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this.name = name;
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this.directory = Path.Combine(directory, name.Trim());
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Directory.CreateDirectory(this.directory);
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Trace.TraceInformation("Created ImageFileCache in {0}", this.directory);
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}
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public override string Name
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{
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get { return name; }
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}
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public override DefaultCacheCapabilities DefaultCacheCapabilities
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{
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get { return DefaultCacheCapabilities.InMemoryProvider; }
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}
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public override object this[string key]
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{
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get { return Get(key); }
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set { Set(key, value, null); }
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}
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protected override IEnumerator<KeyValuePair<string, object>> GetEnumerator()
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{
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throw new NotSupportedException("LocalFileCache does not support the ability to enumerate items.");
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}
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public override CacheEntryChangeMonitor CreateCacheEntryChangeMonitor(IEnumerable<string> keys, string regionName = null)
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{
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throw new NotSupportedException("LocalFileCache does not support the ability to create change monitors.");
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}
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public override long GetCount(string regionName = null)
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{
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throw new NotSupportedException("LocalFileCache does not support the ability to count items.");
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}
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public override bool Contains(string key, string regionName = null)
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{
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if (regionName != null)
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{
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throw new NotSupportedException("The parameter regionName must be null.");
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}
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try
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{
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return MemoryCache.Default.Contains(key) || FindFile(GetPath(key)) != null;
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}
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catch
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{
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return false;
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}
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}
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public override object Get(string key, string regionName = null)
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{
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if (regionName != null)
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{
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throw new NotSupportedException("The parameter regionName must be null.");
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}
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var value = MemoryCache.Default.Get(key);
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if (value == null)
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{
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try
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{
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var path = FindFile(GetPath(key));
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if (path != null)
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{
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long creationTime = File.GetLastWriteTimeUtc(path).ToBinary();
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using (FileStream fileStream = new FileStream(path, FileMode.Open))
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using (MemoryStream memoryStream = new MemoryStream((int)(fileStream.Length + 8)))
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{
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memoryStream.Write(BitConverter.GetBytes(creationTime), 0, 8);
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fileStream.CopyTo(memoryStream);
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value = memoryStream.GetBuffer();
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}
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}
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}
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catch
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{
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}
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}
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return value;
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}
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public override CacheItem GetCacheItem(string key, string regionName = null)
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{
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var value = Get(key, regionName);
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return value != null ? new CacheItem(key, value) : null;
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}
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public override IDictionary<string, object> GetValues(IEnumerable<string> keys, string regionName = null)
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{
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if (regionName != null)
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{
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throw new NotSupportedException("The parameter regionName must be null.");
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}
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var values = new Dictionary<string, object>();
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foreach (string key in keys)
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{
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values[key] = Get(key);
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}
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return values;
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}
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public override void Set(string key, object value, CacheItemPolicy policy, string regionName = null)
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{
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if (regionName != null)
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{
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throw new NotSupportedException("The parameter regionName must be null.");
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}
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var buffer = value as byte[];
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if (buffer == null)
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{
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throw new NotSupportedException("The parameter value must be a byte[].");
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}
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MemoryCache.Default.Set(key, buffer, policy);
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var extension = GetFileExtension(buffer);
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if (extension != null)
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{
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var path = GetPath(key) + extension;
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Directory.CreateDirectory(Path.GetDirectoryName(path));
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using (FileStream fileStream = new FileStream(path, FileMode.Create))
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{
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fileStream.Write(buffer, 8, buffer.Length - 8);
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}
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}
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}
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public override void Set(CacheItem item, CacheItemPolicy policy)
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{
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Set(item.Key, item.Value, policy, item.RegionName);
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}
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public override void Set(string key, object value, DateTimeOffset absoluteExpiration, string regionName = null)
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{
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Set(key, value, new CacheItemPolicy { AbsoluteExpiration = absoluteExpiration }, regionName);
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}
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public override object AddOrGetExisting(string key, object value, CacheItemPolicy policy, string regionName = null)
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{
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var oldValue = Get(key, regionName);
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Set(key, value, policy);
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return oldValue;
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}
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public override CacheItem AddOrGetExisting(CacheItem item, CacheItemPolicy policy)
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{
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var oldItem = GetCacheItem(item.Key, item.RegionName);
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Set(item, policy);
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return oldItem;
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}
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public override object AddOrGetExisting(string key, object value, DateTimeOffset absoluteExpiration, string regionName = null)
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{
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return AddOrGetExisting(key, value, new CacheItemPolicy { AbsoluteExpiration = absoluteExpiration }, regionName);
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}
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public override object Remove(string key, string regionName = null)
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{
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var oldValue = Get(key, regionName);
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MemoryCache.Default.Remove(key);
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try
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{
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var path = FindFile(GetPath(key));
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if (path != null)
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{
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File.Delete(path);
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}
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}
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catch
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{
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}
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return oldValue;
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}
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private string GetPath(string key)
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{
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return Path.Combine(directory, key);
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}
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private static string FindFile(string path)
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{
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if (!string.IsNullOrEmpty(Path.GetExtension(path)))
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{
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return path;
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}
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string directoryName = Path.GetDirectoryName(path);
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if (Directory.Exists(directoryName))
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{
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return Directory.EnumerateFiles(directoryName, Path.GetFileName(path) + ".*").FirstOrDefault();
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}
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return null;
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}
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private static readonly Tuple<string, byte[]>[] fileTypes = new Tuple<string, byte[]>[]
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{
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new Tuple<string, byte[]>(".png", new byte[] { 0x89, 0x50, 0x4E, 0x47, 0xD, 0xA, 0x1A, 0xA }),
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new Tuple<string, byte[]>(".jpg", new byte[] { 0xFF, 0xD8, 0xFF, 0xE0, 0, 0x10, 0x4A, 0x46, 0x49, 0x46, 0 }),
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new Tuple<string, byte[]>(".bmp", new byte[] { 0x42, 0x4D }),
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new Tuple<string, byte[]>(".gif", new byte[] { 0x47, 0x49, 0x46 }),
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new Tuple<string, byte[]>(".tif", new byte[] { 0x49, 0x49, 42, 0 }),
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new Tuple<string, byte[]>(".tif", new byte[] { 0x4D, 0x4D, 0, 42 }),
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new Tuple<string, byte[]>(".wdp", new byte[] { 0x49, 0x49, 0xBC }),
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};
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private static string GetFileExtension(byte[] buffer)
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{
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string extension = null;
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DateTime creationTime = DateTime.FromBinary(BitConverter.ToInt64(buffer, 0));
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if (creationTime.Kind == DateTimeKind.Utc && creationTime <= DateTime.UtcNow)
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{
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Func<Tuple<string, byte[]>, bool> match =
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t =>
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{
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int i = 0;
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if (t.Item2.Length + 8 <= buffer.Length)
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{
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while (i < t.Item2.Length && t.Item2[i] == buffer[i + 8])
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{
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i++;
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}
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}
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return i == t.Item2.Length;
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};
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extension = fileTypes.Where(match).Select(t => t.Item1).FirstOrDefault();
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}
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return extension;
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}
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}
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}
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50
Caching/ImageFileCache/ImageFileCache.csproj
Normal file
50
Caching/ImageFileCache/ImageFileCache.csproj
Normal file
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@ -0,0 +1,50 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{86470440-FEE2-4120-AF5A-3762FB9C536F}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Caching</RootNamespace>
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<AssemblyName>ImageFileCache</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>none</DebugType>
|
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
|
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</PropertyGroup>
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<ItemGroup>
|
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<Reference Include="System" />
|
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<Reference Include="System.Core" />
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<Reference Include="System.Runtime.Caching" />
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</ItemGroup>
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<ItemGroup>
|
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<Compile Include="ImageFileCache.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
|
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</ItemGroup>
|
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
|
||||
Other similar extension points exist, see Microsoft.Common.targets.
|
||||
<Target Name="BeforeBuild">
|
||||
</Target>
|
||||
<Target Name="AfterBuild">
|
||||
</Target>
|
||||
-->
|
||||
</Project>
|
||||
36
Caching/ImageFileCache/Properties/AssemblyInfo.cs
Normal file
36
Caching/ImageFileCache/Properties/AssemblyInfo.cs
Normal file
|
|
@ -0,0 +1,36 @@
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using System.Reflection;
|
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using System.Runtime.CompilerServices;
|
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using System.Runtime.InteropServices;
|
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|
||||
// General Information about an assembly is controlled through the following
|
||||
// set of attributes. Change these attribute values to modify the information
|
||||
// associated with an assembly.
|
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[assembly: AssemblyTitle("ImageFileCache")]
|
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[assembly: AssemblyDescription("ObjectCache implementation based on local image files")]
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[assembly: AssemblyConfiguration("")]
|
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[assembly: AssemblyCompany("")]
|
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[assembly: AssemblyProduct("ImageFileCache")]
|
||||
[assembly: AssemblyCopyright("Copyright © 2012 Clemens Fischer")]
|
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[assembly: AssemblyTrademark("")]
|
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[assembly: AssemblyCulture("")]
|
||||
|
||||
// Setting ComVisible to false makes the types in this assembly not visible
|
||||
// to COM components. If you need to access a type in this assembly from
|
||||
// COM, set the ComVisible attribute to true on that type.
|
||||
[assembly: ComVisible(false)]
|
||||
|
||||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
||||
[assembly: Guid("0483659a-9743-41a2-9505-9c1a4d9ecc06")]
|
||||
|
||||
// Version information for an assembly consists of the following four values:
|
||||
//
|
||||
// Major Version
|
||||
// Minor Version
|
||||
// Build Number
|
||||
// Revision
|
||||
//
|
||||
// You can specify all the values or you can default the Build and Revision Numbers
|
||||
// by using the '*' as shown below:
|
||||
// [assembly: AssemblyVersion("1.0.*")]
|
||||
[assembly: AssemblyVersion("1.0.0.0")]
|
||||
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||
|
|
@ -9,6 +9,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SampleApplication", "Sample
|
|||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SurfaceApplication", "SampleApps\SurfaceApplication\SurfaceApplication.csproj", "{6285FB9D-B7EA-469A-B464-224077967167}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageFileCache", "Caching\ImageFileCache\ImageFileCache.csproj", "{86470440-FEE2-4120-AF5A-3762FB9C536F}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
|
|
@ -59,6 +61,16 @@ Global
|
|||
{6285FB9D-B7EA-469A-B464-224077967167}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
|
||||
{6285FB9D-B7EA-469A-B464-224077967167}.Release|Mixed Platforms.Build.0 = Release|Any CPU
|
||||
{6285FB9D-B7EA-469A-B464-224077967167}.Release|x86.ActiveCfg = Release|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Debug|x86.ActiveCfg = Debug|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Release|Mixed Platforms.Build.0 = Release|Any CPU
|
||||
{86470440-FEE2-4120-AF5A-3762FB9C536F}.Release|x86.ActiveCfg = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
|
|
|
|||
|
|
@ -5,14 +5,12 @@
|
|||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.Collections.Specialized;
|
||||
using System.Diagnostics;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Net;
|
||||
using System.Runtime.Caching;
|
||||
using System.Threading;
|
||||
using System.Windows;
|
||||
using System.Windows.Media.Imaging;
|
||||
using System.Windows.Threading;
|
||||
|
||||
|
|
@ -26,6 +24,17 @@ namespace MapControl
|
|||
private readonly TileLayer tileLayer;
|
||||
private readonly ConcurrentQueue<Tile> pendingTiles = new ConcurrentQueue<Tile>();
|
||||
|
||||
/// <summary>
|
||||
/// Default Name of an ObjectCache instance that is assigned to the Cache property.
|
||||
/// </summary>
|
||||
public static readonly string DefaultCacheName = "TileCache";
|
||||
|
||||
/// <summary>
|
||||
/// Default value for the directory where an ObjectCache instance may save cached data.
|
||||
/// </summary>
|
||||
public static readonly string DefaultCacheDirectory =
|
||||
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl");
|
||||
|
||||
/// <summary>
|
||||
/// The ObjectCache used to cache tile images.
|
||||
/// The default is System.Runtime.Caching.MemoryCache.Default.
|
||||
|
|
@ -48,53 +57,11 @@ namespace MapControl
|
|||
/// </summary>
|
||||
public static TimeSpan CacheUpdateAge { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Creates an instance of the ObjectCache-derived type T and sets the static Cache
|
||||
/// property to this instance. Class T must (like System.Runtime.Caching.MemoryCache)
|
||||
/// provide a constructor with two parameters, first a string that gets the name of
|
||||
/// the cache instance, second a NameValueCollection that gets the config parameter.
|
||||
/// If config is null, a new NameValueCollection is created. If config does not already
|
||||
/// contain an entry with key "directory", a new entry is added with this key and a
|
||||
/// value that specifies the path to an application data directory where the cache
|
||||
/// implementation may store persistent cache data files.
|
||||
/// </summary>
|
||||
public static void CreateCache<T>(NameValueCollection config = null) where T : ObjectCache
|
||||
{
|
||||
if (config == null)
|
||||
{
|
||||
config = new NameValueCollection(1);
|
||||
}
|
||||
|
||||
if (config["directory"] == null)
|
||||
{
|
||||
config["directory"] = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl");
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
Cache = (ObjectCache)Activator.CreateInstance(typeof(T), "TileCache", config);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Trace.TraceWarning("Could not create instance of type {0} with String and NameValueCollection constructor parameters: {1}", typeof(T), ex.Message);
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
static TileImageLoader()
|
||||
{
|
||||
Cache = MemoryCache.Default;
|
||||
CacheExpiration = TimeSpan.FromDays(30d);
|
||||
CacheUpdateAge = TimeSpan.FromDays(1d);
|
||||
|
||||
Application.Current.Exit += (o, e) =>
|
||||
{
|
||||
IDisposable disposableCache = Cache as IDisposable;
|
||||
if (disposableCache != null)
|
||||
{
|
||||
disposableCache.Dispose();
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
internal TileImageLoader(TileLayer tileLayer)
|
||||
|
|
@ -151,7 +118,7 @@ namespace MapControl
|
|||
Cache.Remove(key);
|
||||
pendingTiles.Enqueue(tile);
|
||||
}
|
||||
else if (GetCreationTime(imageBuffer) + CacheUpdateAge < DateTime.UtcNow)
|
||||
else if (IsCacheOutdated(imageBuffer))
|
||||
{
|
||||
// update cached image
|
||||
outdatedTiles.Add(tile);
|
||||
|
|
@ -206,21 +173,15 @@ namespace MapControl
|
|||
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
|
||||
using (Stream responseStream = response.GetResponseStream())
|
||||
{
|
||||
if (response.ContentLength > 0)
|
||||
long length = response.ContentLength;
|
||||
long creationTime = DateTime.UtcNow.ToBinary();
|
||||
|
||||
using (MemoryStream memoryStream = length > 0 ? new MemoryStream((int)length + 8) : new MemoryStream())
|
||||
{
|
||||
using (MemoryStream memoryStream = new MemoryStream((int)response.ContentLength + 8))
|
||||
{
|
||||
CopyWithCreationTime(responseStream, memoryStream);
|
||||
buffer = memoryStream.GetBuffer();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
using (MemoryStream memoryStream = new MemoryStream())
|
||||
{
|
||||
CopyWithCreationTime(responseStream, memoryStream);
|
||||
buffer = memoryStream.ToArray();
|
||||
}
|
||||
memoryStream.Write(BitConverter.GetBytes(creationTime), 0, 8);
|
||||
responseStream.CopyTo(memoryStream);
|
||||
|
||||
buffer = length > 0 ? memoryStream.GetBuffer() : memoryStream.ToArray();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -245,13 +206,20 @@ namespace MapControl
|
|||
return buffer;
|
||||
}
|
||||
|
||||
private bool CreateTileImage(Tile tile, byte[] buffer)
|
||||
private bool IsCacheOutdated(byte[] imageBuffer)
|
||||
{
|
||||
long creationTime = BitConverter.ToInt64(imageBuffer, 0);
|
||||
|
||||
return DateTime.FromBinary(creationTime) + CacheUpdateAge < DateTime.UtcNow;
|
||||
}
|
||||
|
||||
private bool CreateTileImage(Tile tile, byte[] imageBuffer)
|
||||
{
|
||||
BitmapImage bitmap = new BitmapImage();
|
||||
|
||||
try
|
||||
{
|
||||
using (Stream stream = new MemoryStream(buffer, 0, buffer.Length - 8, false))
|
||||
using (Stream stream = new MemoryStream(imageBuffer, 8, imageBuffer.Length - 8, false))
|
||||
{
|
||||
bitmap.BeginInit();
|
||||
bitmap.CacheOption = BitmapCacheOption.OnLoad;
|
||||
|
|
@ -270,17 +238,6 @@ namespace MapControl
|
|||
return true;
|
||||
}
|
||||
|
||||
private static DateTime GetCreationTime(byte[] imageBuffer)
|
||||
{
|
||||
return new DateTime(BitConverter.ToInt64(imageBuffer, imageBuffer.Length - 8));
|
||||
}
|
||||
|
||||
private static void CopyWithCreationTime(Stream source, Stream target)
|
||||
{
|
||||
source.CopyTo(target);
|
||||
target.Write(BitConverter.GetBytes(DateTime.UtcNow.Ticks), 0, 8);
|
||||
}
|
||||
|
||||
private static void TraceWarning(string format, params object[] args)
|
||||
{
|
||||
Trace.TraceWarning("[{0:00}] {1}", Thread.CurrentThread.ManagedThreadId, string.Format(format, args));
|
||||
|
|
|
|||
|
|
@ -7,8 +7,8 @@
|
|||
</configSections>
|
||||
<applicationSettings>
|
||||
<SampleApplication.Properties.Settings>
|
||||
<setting name="UsePersistentCache" serializeAs="String">
|
||||
<value>False</value>
|
||||
<setting name="TileCache" serializeAs="String">
|
||||
<value />
|
||||
</setting>
|
||||
</SampleApplication.Properties.Settings>
|
||||
</applicationSettings>
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@
|
|||
map content without using their APIs (i.e. Google Maps API or Bing Maps API).
|
||||
Hence the declarations below are for demonstration purpose only. -->
|
||||
|
||||
<map:TileLayer Name="Google Maps" Description="Google Maps - © {y} Google"
|
||||
<!--<map:TileLayer Name="Google Maps" Description="Google Maps - © {y} Google"
|
||||
TileSource="http://mt{i}.google.com/vt/x={x}&y={y}&z={z}" MaxZoomLevel="20"/>
|
||||
<map:TileLayer Name="Google Images" Description="Google Maps - © {y} Google"
|
||||
TileSource="http://khm{i}.google.com/kh/v=113&x={x}&y={y}&z={z}" MaxZoomLevel="20" HasDarkBackground="True"/>
|
||||
|
|
@ -30,7 +30,7 @@
|
|||
<map:TileLayer Name="Bing Images" Description="Bing Maps - © {y} Microsoft Corporation"
|
||||
TileSource="http://ecn.t{i}.tiles.virtualearth.net/tiles/a{q}.jpeg?g=0" MaxZoomLevel="20" HasDarkBackground="True"/>
|
||||
<map:TileLayer Name="Bing Hybrid" Description="Bing Maps - © {y} Microsoft Corporation"
|
||||
TileSource="http://ecn.t{i}.tiles.virtualearth.net/tiles/h{q}.jpeg?g=0&stl=h" MaxZoomLevel="20" HasDarkBackground="True"/>
|
||||
TileSource="http://ecn.t{i}.tiles.virtualearth.net/tiles/h{q}.jpeg?g=0&stl=h" MaxZoomLevel="20" HasDarkBackground="True"/>-->
|
||||
|
||||
<!-- The TileLayer below uses an ImageTileSource, which bypasses caching of map tile images -->
|
||||
|
||||
|
|
|
|||
|
|
@ -19,9 +19,16 @@ namespace SampleApplication
|
|||
|
||||
public MainWindow()
|
||||
{
|
||||
if (Properties.Settings.Default.UsePersistentCache)
|
||||
switch (Properties.Settings.Default.TileCache)
|
||||
{
|
||||
TileImageLoader.CreateCache<FileDbCache>();
|
||||
case "FileDbCache":
|
||||
TileImageLoader.Cache = new FileDbCache(TileImageLoader.DefaultCacheName, TileImageLoader.DefaultCacheDirectory);
|
||||
break;
|
||||
case "ImageFileCache":
|
||||
TileImageLoader.Cache = new ImageFileCache(TileImageLoader.DefaultCacheName, TileImageLoader.DefaultCacheDirectory);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
InitializeComponent();
|
||||
|
|
|
|||
|
|
@ -25,10 +25,10 @@ namespace SampleApplication.Properties {
|
|||
|
||||
[global::System.Configuration.ApplicationScopedSettingAttribute()]
|
||||
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
|
||||
[global::System.Configuration.DefaultSettingValueAttribute("False")]
|
||||
public bool UsePersistentCache {
|
||||
[global::System.Configuration.DefaultSettingValueAttribute("")]
|
||||
public string TileCache {
|
||||
get {
|
||||
return ((bool)(this["UsePersistentCache"]));
|
||||
return ((string)(this["TileCache"]));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,8 +2,8 @@
|
|||
<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="SampleApplication.Properties" GeneratedClassName="Settings">
|
||||
<Profiles />
|
||||
<Settings>
|
||||
<Setting Name="UsePersistentCache" Type="System.Boolean" Scope="Application">
|
||||
<Value Profile="(Default)">False</Value>
|
||||
<Setting Name="TileCache" Type="System.String" Scope="Application">
|
||||
<Value Profile="(Default)" />
|
||||
</Setting>
|
||||
</Settings>
|
||||
</SettingsFile>
|
||||
|
|
@ -84,6 +84,10 @@
|
|||
<Project>{EF44F661-B98A-4676-927F-85D138F82300}</Project>
|
||||
<Name>FileDbCache</Name>
|
||||
</ProjectReference>
|
||||
<ProjectReference Include="..\..\Caching\ImageFileCache\ImageFileCache.csproj">
|
||||
<Project>{86470440-FEE2-4120-AF5A-3762FB9C536F}</Project>
|
||||
<Name>ImageFileCache</Name>
|
||||
</ProjectReference>
|
||||
<ProjectReference Include="..\..\MapControl\MapControl.csproj">
|
||||
<Project>{06481252-2310-414A-B9FC-D5739FDF6BD3}</Project>
|
||||
<Name>MapControl</Name>
|
||||
|
|
|
|||
Loading…
Reference in a new issue