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Added MapTileLayerBase.LoadTiles method

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ClemensF 2020-11-19 18:53:20 +01:00
parent f38ac5bec3
commit ab69894f13
5 changed files with 22 additions and 14 deletions
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14
MapControl/Shared/TileImageLoader.cs
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@ -30,7 +30,7 @@ namespace MapControl
public static TimeSpan DefaultCacheExpiration { get; set; } = TimeSpan.FromDays(1);
/// <summary>
/// Format string for creating cache keys from the sourceName argument passed to LoadTilesAsync,
/// Format string for creating cache keys from the cacheName argument passed to LoadTilesAsync,
/// the ZoomLevel, XIndex, and Y properties of a Tile, and the image file extension.
/// The default value is "{0}/{1}/{2}/{3}{4}".
/// </summary>
@ -56,10 +56,10 @@ namespace MapControl
/// <summary>
/// Loads all pending tiles from the tiles collection.
/// If tileSource.UriFormat starts with "http" and sourceName is a non-empty string,
/// If tileSource.UriFormat starts with "http" and cacheName is a non-empty string,
/// tile images will be cached in the TileImageLoader's Cache (if that is not null).
/// </summary>
public void LoadTiles(IEnumerable<Tile> tiles, TileSource tileSource, string sourceName)
public void LoadTiles(IEnumerable<Tile> tiles, TileSource tileSource, string cacheName)
{
tileQueue.Clear();
@ -70,9 +70,9 @@ namespace MapControl
if (Cache != null &&
tileSource.UriFormat != null &&
tileSource.UriFormat.StartsWith("http") &&
!string.IsNullOrEmpty(sourceName))
!string.IsNullOrEmpty(cacheName))
{
loadTile = tile => LoadCachedTileAsync(tile, tileSource, sourceName);
loadTile = tile => LoadCachedTileAsync(tile, tileSource, cacheName);
}
else
{
@ -109,7 +109,7 @@ namespace MapControl
Interlocked.Decrement(ref taskCount);
}
private static async Task LoadCachedTileAsync(Tile tile, TileSource tileSource, string sourceName)
private static async Task LoadCachedTileAsync(Tile tile, TileSource tileSource, string cacheName)
{
var uri = tileSource.GetUri(tile.XIndex, tile.Y, tile.ZoomLevel);
@ -122,7 +122,7 @@ namespace MapControl
extension = ".jpg";
}
var cacheKey = string.Format(CacheKeyFormat, sourceName, tile.ZoomLevel, tile.XIndex, tile.Y, extension);
var cacheKey = string.Format(CacheKeyFormat, cacheName, tile.ZoomLevel, tile.XIndex, tile.Y, extension);
await LoadCachedTileAsync(tile, uri, cacheKey).ConfigureAwait(false);
}