ClemensFischer/XAML-Map-Control
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Updated MapTileLayerBase

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ClemensF 2020-10-26 21:59:51 +01:00
parent 555fbc698f
commit 6435ee462a
3 changed files with 28 additions and 28 deletions
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16
MapControl/Shared/MapTileLayerBase.cs
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@ -26,7 +26,7 @@ namespace MapControl
{
public static readonly DependencyProperty TileSourceProperty = DependencyProperty.Register(
nameof(TileSource), typeof(TileSource), typeof(MapTileLayerBase),
new PropertyMetadata(null, (o, e) => ((MapTileLayerBase)o).TileSourcePropertyChanged()));
new PropertyMetadata(null, (o, e) => ((MapTileLayerBase)o).Update(true)));
public static readonly DependencyProperty SourceNameProperty = DependencyProperty.Register(
nameof(SourceName), typeof(string), typeof(MapTileLayerBase), new PropertyMetadata(null));
@ -59,7 +59,7 @@ namespace MapControl
TileImageLoader = tileImageLoader;
updateTimer = new DispatcherTimer { Interval = UpdateInterval };
updateTimer.Tick += (s, e) => Update();
updateTimer.Tick += (s, e) => Update(false);
MapPanel.InitMapElement(this);
}
@ -156,7 +156,7 @@ namespace MapControl
parentMap.ViewportChanged += OnViewportChanged;
}
Update();
Update(false);
}
}
@ -164,7 +164,7 @@ namespace MapControl
{
if (Children.Count == 0 || e.ProjectionChanged || Math.Abs(e.LongitudeOffset) > 180d)
{
Update(); // update immediately when projection has changed or center has moved across 180° longitude
Update(false); // update immediately when projection has changed or center has moved across 180° longitude
}
else
{
@ -182,17 +182,15 @@ namespace MapControl
}
}
private void Update()
private void Update(bool tileSourceChanged)
{
updateTimer.Stop();
UpdateTileLayer();
UpdateTileLayer(tileSourceChanged);
}
protected abstract void UpdateTileLayer();
protected abstract void UpdateTileLayer(bool tileSourceChanged);
protected abstract void SetRenderTransform();
protected abstract void TileSourcePropertyChanged();
}
}