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Version 4.12.2 Improved TileImageLoader.

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This commit is contained in:
ClemensF 2019-06-13 21:38:01 +02:00
parent 4531e620ca
commit 26bf0b5005
11 changed files with 162 additions and 140 deletions
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12
MapControl/WPF/TileImageLoader.WPF.cs
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@ -34,18 +34,18 @@ namespace MapControl
if (cacheBuffer == null || expiration < DateTime.UtcNow)
{
var result = await ImageLoader.LoadHttpStreamAsync(uri);
var response = await ImageLoader.LoadHttpStreamAsync(uri).ConfigureAwait(false);
if (result != null) // download succeeded
if (response != null) // download succeeded
{
cacheBuffer = null; // discard cached image
if (result.Item1 != null) // tile image available
if (response.Stream != null) // tile image available
{
using (var stream = result.Item1)
using (var stream = response.Stream)
{
LoadTileImage(tile, stream);
SetCachedImage(cacheKey, stream, GetExpiration(result.Item2));
SetCachedImage(cacheKey, stream, GetExpiration(response.MaxAge));
}
}
}
@ -62,7 +62,7 @@ namespace MapControl
private async Task LoadTileImageAsync(Tile tile, TileSource tileSource)
{
SetTileImage(tile, await tileSource.LoadImageAsync(tile.XIndex, tile.Y, tile.ZoomLevel));
SetTileImage(tile, await tileSource.LoadImageAsync(tile.XIndex, tile.Y, tile.ZoomLevel).ConfigureAwait(false));
}
private void LoadTileImage(Tile tile, Stream stream)