ClemensFischer/XAML-Map-Control
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Attached property MapPanel.MapRect

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ClemensFischer 2026-01-28 15:55:30 +01:00
parent 881b39c4b4
commit 69b105c11f
12 changed files with 150 additions and 96 deletions
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18
MapControl/Shared/MapImageLayer.cs
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@ -180,7 +180,7 @@ namespace MapControl
updateTimer.Stop();
ImageSource image = null;
BoundingBox boundingBox = null;
MapRect mapRect = null;
if (ParentMap != null &&
(SupportedCrsIds == null || SupportedCrsIds.Contains(ParentMap.MapProjection.CrsId)))
@ -192,17 +192,13 @@ namespace MapControl
{
var x = (ParentMap.ActualWidth - width) / 2d;
var y = (ParentMap.ActualHeight - height) / 2d;
var mapRect = ParentMap.ViewTransform.ViewToMapBounds(new Rect(x, y, width, height));
boundingBox = ParentMap.MapProjection.MapToBoundingBox(mapRect, true);
if (boundingBox != null)
{
image = await GetImageAsync(mapRect, loadingProgress);
}
mapRect = ParentMap.ViewToMapRect(new Rect(x, y, width, height));
image = await GetImageAsync(mapRect.Rect, loadingProgress);
}
}
SwapImages(image, boundingBox);
SwapImages(image, mapRect);
updateInProgress = false;
}
else // update on next timer tick
@ -215,12 +211,12 @@ namespace MapControl
{
foreach (var image in Children.OfType<Image>())
{
image.ClearValue(BoundingBoxProperty);
image.ClearValue(MapRectProperty);
image.ClearValue(Image.SourceProperty);
}
}
private void SwapImages(ImageSource image, BoundingBox boundingBox)
private void SwapImages(ImageSource image, MapRect mapRect)
{
if (Children.Count >= 2)
{
@ -230,7 +226,7 @@ namespace MapControl
Children.Insert(1, topImage);
topImage.Source = image;
SetBoundingBox(topImage, boundingBox);
SetMapRect(topImage, mapRect);
if (MapBase.ImageFadeDuration > TimeSpan.Zero)
{