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Moved method from TileImageLoader to TileSource

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This commit is contained in:
ClemensFischer 2025-01-17 07:05:03 +01:00
parent fa160ff138
commit 7cb7d81f15
2 changed files with 9 additions and 5 deletions
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6
MapControl/Shared/TileImageLoader.cs
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@ -119,9 +119,7 @@ namespace MapControl
}
}
protected virtual Task<ImageSource> LoadImageAsync(byte[] buffer) => ImageLoader.LoadImageAsync(buffer);
private async Task LoadTileAsync(Tile tile, TileSource tileSource, string cacheName)
private static async Task LoadTileAsync(Tile tile, TileSource tileSource, string cacheName)
{
Func<Task<ImageSource>> loadImageFunc;
@ -139,7 +137,7 @@ namespace MapControl
if (buffer == null || buffer.Length == 0) return;
loadImageFunc = () => LoadImageAsync(buffer);
loadImageFunc = () => tileSource.LoadImageAsync(buffer);
}
await LoadTileAsync(tile, loadImageFunc).ConfigureAwait(false); // loadImageFunc runs in UI thread in WinUI/UWP

8
MapControl/Shared/TileSource.cs
View file

@ -75,7 +75,7 @@ namespace MapControl
/// <summary>
/// Loads a tile ImageSource asynchronously from GetUri(column, row, zoomLevel).
/// This method is called by TileImageLoader for TileSources without caching.
/// This method is called by TileImageLoader when caching is disabled.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(int column, int row, int zoomLevel)
{
@ -84,6 +84,12 @@ namespace MapControl
return uri != null ? ImageLoader.LoadImageAsync(uri) : Task.FromResult((ImageSource)null);
}
/// <summary>
/// Loads a tile ImageSource asynchronously from an encoded frame buffer in a byte array.
/// This method is called by TileImageLoader when caching is enabled.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(byte[] buffer) => ImageLoader.LoadImageAsync(buffer);
/// <summary>
/// Creates a TileSource instance from an Uri template string.
/// </summary>