ClemensFischer/XAML-Map-Control
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Improved TileImageLoader

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This commit is contained in:
Clemens 2021-07-05 00:03:44 +02:00
parent fb00a11f4b
commit 5fde94acb9
7 changed files with 88 additions and 60 deletions
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18
MapControl/Shared/WmtsTileLayer.cs
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@ -6,6 +6,7 @@ using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
#if WINUI
using Windows.Foundation;
using Microsoft.UI.Xaml;
@ -86,19 +87,24 @@ namespace MapControl
return finalSize;
}
protected override void UpdateTileLayer(bool tileSourceChanged)
protected override Task UpdateTileLayer()
{
if (ParentMap == null ||
!TileMatrixSets.TryGetValue(ParentMap.MapProjection.CrsId, out WmtsTileMatrixSet tileMatrixSet))
{
Children.Clear();
UpdateTiles(null);
return UpdateTiles(null);
}
else if (UpdateChildLayers(tileMatrixSet))
if (UpdateChildLayers(tileMatrixSet))
{
SetRenderTransform();
UpdateTiles(tileMatrixSet);
return UpdateTiles(tileMatrixSet);
}
return Task.CompletedTask;
}
protected override void SetRenderTransform()
@ -154,7 +160,7 @@ namespace MapControl
return layersChanged;
}
private void UpdateTiles(WmtsTileMatrixSet tileMatrixSet)
private Task UpdateTiles(WmtsTileMatrixSet tileMatrixSet)
{
var tiles = new List<Tile>();
var cacheName = SourceName;
@ -180,7 +186,7 @@ namespace MapControl
}
}
LoadTiles(tiles, cacheName);
return TileImageLoader.LoadTiles(tiles, TileSource, cacheName);
}
private async void OnLoaded(object sender, RoutedEventArgs e)