ClemensFischer/XAML-Map-Control
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Dropped UWP ImageFileCache

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This commit is contained in:
ClemensFischer 2025-02-20 11:45:45 +01:00
parent f99fc777f2
commit 6ea58c9dd3
4 changed files with 23 additions and 22 deletions
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34
MapControl/Shared/ImageFileCache.cs
View file

@ -37,6 +37,7 @@ namespace MapControl.Caching
}
rootDirectory = new DirectoryInfo(path);
rootDirectory.Create();
Debug.WriteLine($"{nameof(ImageFileCache)}: {rootDirectory.FullName}");
@ -133,10 +134,14 @@ namespace MapControl.Caching
{
if (file != null && buffer?.Length > 0)
{
using (var stream = CreateFile(file, options))
file.Directory.Create();
using (var stream = file.Create())
{
stream.Write(buffer, 0, buffer.Length);
}
SetExpiration(file, options);
}
}
catch (Exception ex)
@ -155,10 +160,14 @@ namespace MapControl.Caching
{
if (file != null && buffer?.Length > 0 && !token.IsCancellationRequested)
{
using (var stream = CreateFile(file, options))
file.Directory.Create();
using (var stream = file.Create())
{
await stream.WriteAsync(buffer, 0, buffer.Length, token).ConfigureAwait(false);
}
SetExpiration(file, options);
}
}
catch (Exception ex)
@ -254,24 +263,11 @@ namespace MapControl.Caching
return null;
}
private static FileStream CreateFile(FileInfo file, DistributedCacheEntryOptions options)
private static void SetExpiration(FileInfo file, DistributedCacheEntryOptions options)
{
file.Directory.Create();
var stream = file.Create();
try
{
file.CreationTime = options.AbsoluteExpiration.HasValue
? options.AbsoluteExpiration.Value.LocalDateTime
: DateTime.Now.Add(options.AbsoluteExpirationRelativeToNow ?? (options.SlidingExpiration ?? TimeSpan.FromDays(1)));
}
catch (Exception ex)
{
Debug.WriteLine($"{nameof(ImageFileCache)}: Failed setting creation time of {file.FullName}: {ex.Message}");
}
return stream;
file.CreationTime = options.AbsoluteExpiration.HasValue
? options.AbsoluteExpiration.Value.LocalDateTime
: DateTime.Now.Add(options.AbsoluteExpirationRelativeToNow ?? (options.SlidingExpiration ?? TimeSpan.FromDays(1)));
}
private static int CleanDirectory(DirectoryInfo directory)

5
MapControl/Shared/TileImageLoader.cs
View file

@ -29,8 +29,11 @@ namespace MapControl
/// Default folder path where a persistent cache implementation may save data, i.e. "C:\ProgramData\MapControl\TileCache".
/// </summary>
public static string DefaultCacheFolder =>
#if UWP
Path.Combine(Windows.Storage.ApplicationData.Current.LocalCacheFolder.Path, "TileCache");
#else
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "TileCache");
#endif
/// <summary>
/// An IDistributedCache implementation used to cache tile images.
/// The default value is a MemoryDistributedCache instance.

4
MapControl/UWP/MapControl.UWP.csproj
View file

@ -86,6 +86,9 @@
<Compile Include="..\Shared\GroundOverlay.cs">
<Link>GroundOverlay.cs</Link>
</Compile>
<Compile Include="..\Shared\ImageFileCache.cs">
<Link>ImageFileCache.cs</Link>
</Compile>
<Compile Include="..\Shared\ImageLoader.cs">
<Link>ImageLoader.cs</Link>
</Compile>
@ -275,7 +278,6 @@
<Compile Include="..\WinUI\Tile.WinUI.cs">
<Link>Tile.WinUI.cs</Link>
</Compile>
<Compile Include="ImageFileCache.UWP.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="TileImageLoader.UWP.cs" />
<EmbeddedResource Include="Properties\MapControl.UWP.rd.xml" />

2
SampleApps/UniversalApp/MainPage.xaml.cs
View file

@ -17,7 +17,7 @@ namespace SampleApplication
static MainPage()
{
//MapProjectionFactory.Instance = new MapControl.Projections.GeoApiProjectionFactory();
//TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(ApplicationData.Current.LocalCacheFolder);
//TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(TileImageLoader.DefaultCacheFolder);
}
public MainPage()