ClemensFischer/XAML-Map-Control
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Version 4.15.1: Simplified MBTiles.

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This commit is contained in:
ClemensF 2019-11-17 00:10:08 +01:00
parent 08e1823e06
commit d0e671585b
3 changed files with 46 additions and 32 deletions
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23
MBTiles/Shared/MBTileLayer.cs
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@ -36,6 +36,14 @@ namespace MapControl.MBTiles
set { SetValue(FileProperty, value); }
}
/// <summary>
/// May be overridden to create a derived MBTileSource that handles other tile formats than png and jpg, e.g. pbf.
/// </summary>
protected virtual MBTileSource CreateTileSource(MBTileData tileData)
{
return new MBTileSource(tileData);
}
private async Task FilePropertyChanged(string file)
{
(TileSource as MBTileSource)?.Dispose();
@ -48,33 +56,32 @@ namespace MapControl.MBTiles
if (file != null)
{
var tiledata = await MBTileData.CreateAsync(file);
var metadata = await tiledata.ReadMetadataAsync();
string s;
var tileData = await MBTileData.CreateAsync(file);
int minZoom;
int maxZoom;
string s;
if (metadata.TryGetValue("name", out s))
if (tileData.Metadata.TryGetValue("name", out s))
{
SourceName = s;
}
if (metadata.TryGetValue("description", out s))
if (tileData.Metadata.TryGetValue("description", out s))
{
Description = s;
}
if (metadata.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
if (tileData.Metadata.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
{
MinZoomLevel = minZoom;
}
if (metadata.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
if (tileData.Metadata.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
{
MaxZoomLevel = maxZoom;
}
TileSource = new MBTileSource(tiledata);
TileSource = CreateTileSource(tileData);
}
}
}