ClemensFischer/XAML-Map-Control
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GroundOverlay without Task.Run

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ClemensFischer 2025-09-01 18:21:41 +02:00
parent 7846f4f685
commit a3e7ab0404
3 changed files with 32 additions and 28 deletions
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9
.editorconfig
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@ -21,8 +21,11 @@ dotnet_diagnostic.IDE0090.severity = silent
# IDE0290: Use primary constructor
dotnet_diagnostic.IDE0290.severity = silent
# IDE0300: Use collection expression for array
# IDE030X: Use collection expression
dotnet_diagnostic.IDE0300.severity = silent
# IDE0301: Use collection expression for empty
dotnet_diagnostic.IDE0301.severity = silent
dotnet_diagnostic.IDE0302.severity = silent
dotnet_diagnostic.IDE0303.severity = silent
dotnet_diagnostic.IDE0304.severity = silent
dotnet_diagnostic.IDE0305.severity = silent
dotnet_diagnostic.IDE0306.severity = silent

43
MapControl/Shared/GroundOverlay.cs
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@ -7,7 +7,6 @@ using System.IO.Compression;
using System.Linq;
using System.Threading.Tasks;
using System.Xml.Linq;
using System.Threading;
#if WPF
using System.Windows;
using System.Windows.Controls;
@ -115,22 +114,15 @@ namespace MapControl
using (var archive = ZipFile.OpenRead(archiveFilePath))
{
var docEntry = archive.GetEntry("doc.kml") ??
archive.Entries.FirstOrDefault(e => e.Name.EndsWith(".kml"));
if (docEntry == null)
{
archive.Entries.FirstOrDefault(e => e.Name.EndsWith(".kml")) ??
throw new ArgumentException($"No KML entry found in {archiveFilePath}.");
}
var imageOverlays = await Task.Run(() =>
{
List<ImageOverlay> imageOverlays;
using (var docStream = docEntry.Open())
{
var kmlDocument = XDocument.Load(docStream);
return ReadGroundOverlays(kmlDocument.Root).ToList();
imageOverlays = await ReadGroundOverlays(docStream);
}
});
foreach (var imageOverlay in imageOverlays)
{
@ -157,14 +149,14 @@ namespace MapControl
{
docFilePath = FilePath.GetFullPath(docFilePath);
var docUri = new Uri(docFilePath);
List<ImageOverlay> imageOverlays;
var imageOverlays = await Task.Run(() =>
using (var docStream = File.OpenRead(docFilePath))
{
var kmlDocument = XDocument.Load(docFilePath);
imageOverlays = await ReadGroundOverlays(docStream);
}
return ReadGroundOverlays(kmlDocument.Root).ToList();
});
var docUri = new Uri(docFilePath);
foreach (var imageOverlay in imageOverlays)
{
@ -174,10 +166,17 @@ namespace MapControl
return imageOverlays;
}
private static IEnumerable<ImageOverlay> ReadGroundOverlays(XElement kmlElement)
private static async Task<List<ImageOverlay>> ReadGroundOverlays(Stream docStream)
{
var ns = kmlElement.Name.Namespace;
var docElement = kmlElement.Element(ns + "Document") ?? kmlElement;
#if NETFRAMEWORK
var document = await Task.FromResult(XDocument.Load(docStream, LoadOptions.None));
#else
var document = await XDocument.LoadAsync(docStream, LoadOptions.None, System.Threading.CancellationToken.None);
#endif
var rootElement = document.Root;
var ns = rootElement.Name.Namespace;
var docElement = rootElement.Element(ns + "Document") ?? rootElement;
var imageOverlays = new List<ImageOverlay>();
foreach (var folderElement in docElement.Elements(ns + "Folder"))
{
@ -194,10 +193,12 @@ namespace MapControl
if (latLonBox != null && imagePath != null)
{
yield return new ImageOverlay(imagePath, latLonBox, zIndex);
imageOverlays.Add(new ImageOverlay(imagePath, latLonBox, zIndex));
}
}
}
return imageOverlays;
}
private static LatLonBox ReadLatLonBox(XElement latLonBoxElement)