ClemensFischer/XAML-Map-Control
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GeoImage and GroundOverlay implementation

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ClemensFischer 2024-09-13 23:47:17 +02:00
parent 1b0e73dc35
commit 020a871714
4 changed files with 45 additions and 34 deletions
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21
MapControl/Shared/GroundOverlay.cs
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@ -46,7 +46,7 @@ namespace MapControl
public static readonly DependencyProperty SourcePathProperty =
DependencyPropertyHelper.Register<GroundOverlay, string>(nameof(SourcePath), null,
async (overlay, oldValue, newValue) => await overlay.SourcePathPropertyChanged(newValue));
async (groundOverlay, oldValue, newValue) => await groundOverlay.LoadAsync(newValue));
public string SourcePath
{
@ -54,7 +54,16 @@ namespace MapControl
set => SetValue(SourcePathProperty, value);
}
private async Task SourcePathPropertyChanged(string sourcePath)
public static async Task<GroundOverlay> CreateAsync(string sourcePath)
{
var groundOverlay = new GroundOverlay();
await groundOverlay.LoadAsync(sourcePath);
return groundOverlay;
}
public async Task LoadAsync(string sourcePath)
{
IEnumerable<ImageOverlay> imageOverlays = null;
@ -66,11 +75,11 @@ namespace MapControl
if (ext == ".kmz")
{
imageOverlays = await ReadGroundOverlaysFromArchiveAsync(sourcePath);
imageOverlays = await LoadGroundOverlaysFromArchiveAsync(sourcePath);
}
else if (ext == ".kml")
{
imageOverlays = await ReadGroundOverlaysFromFileAsync(sourcePath);
imageOverlays = await LoadGroundOverlaysFromFileAsync(sourcePath);
}
}
catch (Exception ex)
@ -98,7 +107,7 @@ namespace MapControl
}
}
private static async Task<IEnumerable<ImageOverlay>> ReadGroundOverlaysFromArchiveAsync(string archiveFilePath)
private static async Task<IEnumerable<ImageOverlay>> LoadGroundOverlaysFromArchiveAsync(string archiveFilePath)
{
using (var archive = ZipFile.OpenRead(archiveFilePath))
{
@ -141,7 +150,7 @@ namespace MapControl
}
}
private static async Task<IEnumerable<ImageOverlay>> ReadGroundOverlaysFromFileAsync(string docFilePath)
private static async Task<IEnumerable<ImageOverlay>> LoadGroundOverlaysFromFileAsync(string docFilePath)
{
docFilePath = FilePath.GetFullPath(docFilePath);