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Update TileImageLoader.cs

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ClemensFischer 2022-11-23 17:14:12 +01:00
parent c84049bf82
commit 7fbbf66acb
1 changed files with 7 additions and 7 deletions
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14
MapControl/Shared/TileImageLoader.cs
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@ -75,32 +75,32 @@ namespace MapControl
/// </summary> /// </summary>
public TileSource TileSource { get; private set; } public TileSource TileSource { get; private set; }
private TileQueue pendingTiles; private TileQueue unloadedTiles;
private int progressTotal; private int progressTotal;
private int progressLoaded; private int progressLoaded;
/// <summary> /// <summary>
/// Loads all pending tiles from the tiles collection. /// Loads all unloaded tiles from the tiles collection.
/// If tileSource.UriFormat starts with "http" and cacheName 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. /// tile images will be cached in the TileImageLoader's Cache - if that is not null.
/// </summary> /// </summary>
public Task LoadTiles(IEnumerable<Tile> tiles, TileSource tileSource, string cacheName) public Task LoadTiles(IEnumerable<Tile> tiles, TileSource tileSource, string cacheName)
{ {
pendingTiles?.Cancel(); unloadedTiles?.Cancel();
TileSource = tileSource; TileSource = tileSource;
if (tileSource != null) if (tileSource != null)
{ {
pendingTiles = new TileQueue(tiles); unloadedTiles = new TileQueue(tiles);
var numTasks = Math.Min(pendingTiles.Count, MaxLoadTasks); var numTasks = Math.Min(unloadedTiles.Count, MaxLoadTasks);
if (numTasks > 0) if (numTasks > 0)
{ {
if (Progress != null) if (Progress != null)
{ {
progressTotal = pendingTiles.Count; progressTotal = unloadedTiles.Count;
progressLoaded = 0; progressLoaded = 0;
Progress.Report(0d); Progress.Report(0d);
} }
@ -111,7 +111,7 @@ namespace MapControl
} }
return Task.WhenAll(Enumerable.Range(0, numTasks).Select( return Task.WhenAll(Enumerable.Range(0, numTasks).Select(
_ => Task.Run(() => LoadPendingTiles(pendingTiles, tileSource, cacheName)))); _ => Task.Run(() => LoadPendingTiles(unloadedTiles, tileSource, cacheName))));
} }
} }