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Update GroundOverlay.cs

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ClemensFischer 2025-09-04 16:29:26 +02:00
parent 733da9f231
commit 31b2e37b23
1 changed files with 24 additions and 36 deletions
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58
MapControl/Shared/GroundOverlay.cs
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@ -33,7 +33,6 @@ namespace MapControl
private readonly string imagePath;
private readonly LatLonBox boundingBox;
private readonly int zIndex;
private ImageSource imageSource;
public ImageOverlay(string path, LatLonBox latLonBox, int zOrder)
{
@ -42,7 +41,9 @@ namespace MapControl
zIndex = zOrder;
}
public async Task LoadImageSource(ZipArchive archive)
public Image Image { get; private set; }
public async Task LoadImage(ZipArchive archive)
{
var entry = archive.GetEntry(imagePath);
@ -61,32 +62,23 @@ namespace MapControl
// Close Zip Stream before awaiting.
//
imageSource = await ImageLoader.LoadImageAsync(memoryStream);
CreateImage(await ImageLoader.LoadImageAsync(memoryStream));
}
}
public async Task LoadImageSource(Uri docUri)
public async Task LoadImage(Uri docUri)
{
imageSource = await ImageLoader.LoadImageAsync(new Uri(docUri, imagePath));
CreateImage(await ImageLoader.LoadImageAsync(new Uri(docUri, imagePath)));
}
public Image CreateImage()
private void CreateImage(ImageSource image)
{
Image image = null;
if (imageSource != null)
if (image != null)
{
image = new Image
{
Source = imageSource,
Stretch = Stretch.Fill
};
image.SetValue(Canvas.ZIndexProperty, zIndex);
SetBoundingBox(image, boundingBox);
Image = new Image { Source = image, Stretch = Stretch.Fill };
Image.SetValue(Canvas.ZIndexProperty, zIndex);
SetBoundingBox(Image, boundingBox);
}
return image;
}
}
@ -114,7 +106,7 @@ namespace MapControl
public async Task LoadAsync(string sourcePath)
{
IEnumerable<ImageOverlay> imageOverlays = null;
List<ImageOverlay> imageOverlays = null;
if (!string.IsNullOrEmpty(sourcePath))
{
@ -141,50 +133,46 @@ namespace MapControl
if (imageOverlays != null)
{
foreach (var image in imageOverlays
.Select(imageOverlay => imageOverlay.CreateImage())
.Where(image => image != null))
foreach (var image in imageOverlays.Select(imageOverlay => imageOverlay.Image).Where(image => image != null))
{
Children.Add(image);
}
}
}
private static async Task<IEnumerable<ImageOverlay>> LoadGroundOverlaysFromArchive(string archiveFilePath)
private static async Task<List<ImageOverlay>> LoadGroundOverlaysFromArchive(string archiveFilePath)
{
List<ImageOverlay> imageOverlays;
using (var archive = ZipFile.OpenRead(archiveFilePath))
{
var docEntry = archive.GetEntry("doc.kml") ??
archive.Entries.FirstOrDefault(e => e.Name.EndsWith(".kml")) ??
throw new ArgumentException($"No KML entry found in {archiveFilePath}.");
List<ImageOverlay> imageOverlays;
using (var docStream = docEntry.Open())
{
imageOverlays = await ReadGroundOverlays(docStream);
}
await Task.WhenAll(imageOverlays.Select(imageOverlay => imageOverlay.LoadImageSource(archive)));
await Task.WhenAll(imageOverlays.Select(imageOverlay => imageOverlay.LoadImage(archive)));
}
return imageOverlays;
}
}
private static async Task<IEnumerable<ImageOverlay>> LoadGroundOverlaysFromFile(string docFilePath)
private static async Task<List<ImageOverlay>> LoadGroundOverlaysFromFile(string docFilePath)
{
docFilePath = FilePath.GetFullPath(docFilePath);
List<ImageOverlay> imageOverlays;
using (var docStream = File.OpenRead(docFilePath))
var docUri = new Uri(FilePath.GetFullPath(docFilePath));
using (var docStream = File.OpenRead(docUri.AbsolutePath))
{
imageOverlays = await ReadGroundOverlays(docStream);
}
var docUri = new Uri(docFilePath);
await Task.WhenAll(imageOverlays.Select(imageOverlay => imageOverlay.LoadImageSource(docUri)));
await Task.WhenAll(imageOverlays.Select(imageOverlay => imageOverlay.LoadImage(docUri)));
return imageOverlays;
}