ClemensFischer/XAML-Map-Control
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Simplified WMS/WMTS layers

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This commit is contained in:
ClemensFischer 2022-11-25 19:05:48 +01:00
parent afc93704d9
commit 370618f66f
5 changed files with 66 additions and 106 deletions
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43
MapControl/Shared/MapImageLayer.cs
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@ -165,29 +165,27 @@ namespace MapControl
protected override async void OnViewportChanged(ViewportChangedEventArgs e)
{
base.OnViewportChanged(e);
if (e.ProjectionChanged)
{
ClearImages();
base.OnViewportChanged(e);
await UpdateImageAsync(); // update immediately
}
else
{
ValidateBoundingBox();
base.OnViewportChanged(e);
updateTimer.Run(!UpdateWhileViewportChanging);
}
}
protected async Task UpdateImageAsync()
{
if (updateInProgress) // update image on next tick
if (updateInProgress)
{
updateTimer.Run(); // start timer if not running
// update image on next tick, start timer if not running
//
updateTimer.Run();
}
else
{
@ -233,35 +231,6 @@ namespace MapControl
BoundingBox = ParentMap.ViewRectToBoundingBox(rect);
}
private void ValidateBoundingBox()
{
if (BoundingBox != null)
{
var offset = ParentMap.Center.Longitude - BoundingBox.Center.Longitude;
if (Math.Abs(offset) > 180d)
{
offset = 360d * Math.Sign(offset);
BoundingBox = new BoundingBox(
BoundingBox.South, BoundingBox.West + offset,
BoundingBox.North, BoundingBox.East + offset);
foreach (var image in Children.OfType<Image>())
{
var imageBbox = GetBoundingBox(image);
if (imageBbox != null)
{
SetBoundingBox(image, new BoundingBox(
imageBbox.South, imageBbox.West + offset,
imageBbox.North, imageBbox.East + offset));
}
}
}
}
}
private void ClearImages()
{
foreach (var image in Children.OfType<Image>())