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Fixed TileSource (14.2.0)

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ClemensFischer 2025-11-14 15:02:48 +01:00
parent ef7849948e
commit 36883a8d9d
6 changed files with 49 additions and 20 deletions
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34
MapControl/Shared/TileSource.cs
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@ -1,4 +1,5 @@
using System;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
#if WPF
@ -14,7 +15,7 @@ using ImageSource = Avalonia.Media.IImage;
namespace MapControl
{
/// <summary>
/// Provides the download Uri or ImageSource of map tiles.
/// Provides the download Uri or ImageSource of map tiles. Used by TileImageLoader.
/// </summary>
#if UWP || WINUI
[Windows.Foundation.Metadata.CreateFromString(MethodName = "Parse")]
@ -24,15 +25,38 @@ namespace MapControl
public class TileSource
{
/// <summary>
/// Gets the image request Uri for the specified zoom level and tile indices.
/// May return null when the image shall be loaded by the LoadImageAsync method.
/// Gets an image request Uri for the specified zoom level and tile indices.
/// May return null when the image shall be loaded by
/// the LoadImageAsync(zoomLevel, column, row) method.
/// </summary>
public virtual Uri GetUri(int zoomLevel, int column, int row) => null;
public virtual Uri GetUri(int zoomLevel, int column, int row)
{
return null;
}
/// <summary>
/// Loads a tile image without an Uri.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(int zoomLevel, int column, int row) => null;
public virtual Task<ImageSource> LoadImageAsync(int zoomLevel, int column, int row)
{
return null;
}
/// <summary>
/// Loads a tile image from an Uri.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(Uri uri)
{
return ImageLoader.LoadImageAsync(uri);
}
/// <summary>
/// Loads a tile image from an encoded frame buffer.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(byte[] buffer)
{
return ImageLoader.LoadImageAsync(buffer);
}
/// <summary>
/// Creates a TileSource instance from an Uri template string.