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Update GroundOverlay.cs

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ClemensFischer 2025-09-12 22:08:21 +02:00
parent f15dde792e
commit d00b16fd78
1 changed files with 2 additions and 24 deletions
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26
MapControl/Shared/GroundOverlay.cs
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@ -5,7 +5,6 @@ using System.Globalization;
using System.IO; using System.IO;
using System.IO.Compression; using System.IO.Compression;
using System.Linq; using System.Linq;
using System.Threading;
using System.Threading.Tasks; using System.Threading.Tasks;
using System.Xml.Linq; using System.Xml.Linq;
#if WPF #if WPF
@ -71,8 +70,6 @@ namespace MapControl
private static ILogger logger; private static ILogger logger;
private static ILogger Logger => logger ?? (logger = ImageLoader.LoggerFactory?.CreateLogger<GroundOverlay>()); private static ILogger Logger => logger ?? (logger = ImageLoader.LoggerFactory?.CreateLogger<GroundOverlay>());
public static int MaxLoadTasks { get; set; } = 4;
public static readonly DependencyProperty SourcePathProperty = public static readonly DependencyProperty SourcePathProperty =
DependencyPropertyHelper.Register<GroundOverlay, string>(nameof(SourcePath), null, DependencyPropertyHelper.Register<GroundOverlay, string>(nameof(SourcePath), null,
async (groundOverlay, oldValue, newValue) => await groundOverlay.LoadAsync(newValue)); async (groundOverlay, oldValue, newValue) => await groundOverlay.LoadAsync(newValue));
@ -163,26 +160,7 @@ namespace MapControl
{ {
var imageOverlays = ReadImageOverlays(document); var imageOverlays = ReadImageOverlays(document);
using (var semaphore = new SemaphoreSlim(MaxLoadTasks)) await Task.WhenAll(imageOverlays.Select(loadFunc));
{
var tasks = imageOverlays.Select(
async imageOverlay =>
{
// Limit number of simultaneous calls of loadFunc (in UI thread).
//
await semaphore.WaitAsync();
try
{
await loadFunc(imageOverlay);
}
finally
{
semaphore.Release();
}
});
await Task.WhenAll(tasks);
}
return imageOverlays; return imageOverlays;
} }
@ -271,7 +249,7 @@ namespace MapControl
#if NETFRAMEWORK #if NETFRAMEWORK
return Task.Run(() => XDocument.Load(docStream, LoadOptions.None)); return Task.Run(() => XDocument.Load(docStream, LoadOptions.None));
#else #else
return XDocument.LoadAsync(docStream, LoadOptions.None, CancellationToken.None); return XDocument.LoadAsync(docStream, LoadOptions.None, System.Threading.CancellationToken.None);
#endif #endif
} }
} }