ClemensFischer/XAML-Map-Control
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Version 4.12.2 Improved TileImageLoader.Cache

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This commit is contained in:
ClemensF 2019-07-18 21:09:54 +02:00
parent a25cc91c2f
commit 85287118a5
8 changed files with 139 additions and 116 deletions
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51
MBTiles/Shared/MBTileSource.cs
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@ -3,6 +3,7 @@
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
#if WINDOWS_UWP
using Windows.UI.Xaml.Media;
@ -16,47 +17,45 @@ namespace MapControl.MBTiles
{
private readonly MBTileData tileData;
public MBTileSource(string file)
public string Name { get; }
public string Description { get; }
public int? MinZoom { get; }
public int? MaxZoom { get; }
private MBTileSource(MBTileData tileData, IDictionary<string, string> metaData)
{
tileData = new MBTileData(file);
}
public string Name { get; private set; }
public string Description { get; private set; }
public int? MinZoom { get; private set; }
public int? MaxZoom { get; private set; }
public async Task Initialize()
{
await tileData.OpenAsync();
var metadata = await tileData.ReadMetadataAsync();
this.tileData = tileData;
string s;
int minZoom;
int maxZoom;
Name = (metadata.TryGetValue("name", out s)) ? s : null;
if (metaData.TryGetValue("name", out s))
{
Name = s;
}
Description = (metadata.TryGetValue("description", out s)) ? s : null;
if (metaData.TryGetValue("description", out s))
{
Description = s;
}
if (metadata.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
if (metaData.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
{
MinZoom = minZoom;
}
else
{
MinZoom = null;
}
if (metadata.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
if (metaData.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
{
MaxZoom = maxZoom;
}
else
{
MaxZoom = null;
}
}
public static async Task<MBTileSource> CreateAsync(string file)
{
var tileData = await MBTileData.CreateAsync(file);
return new MBTileSource(tileData, await tileData.ReadMetaDataAsync());
}
public void Dispose()