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Version 4.15.1: Simplified MBTiles.

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This commit is contained in:
ClemensF 2019-11-14 23:21:08 +01:00
parent cf9d94ca9d
commit 08e1823e06
2 changed files with 21 additions and 84 deletions
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50
MBTiles/Shared/MBTileLayer.cs
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@ -38,63 +38,43 @@ namespace MapControl.MBTiles
private async Task FilePropertyChanged(string file)
{
var mbTileSource = TileSource as MBTileSource;
(TileSource as MBTileSource)?.Dispose();
if (mbTileSource != null)
{
if (file == null)
{
ClearValue(TileSourceProperty);
if (mbTileSource.Name != null)
{
ClearValue(SourceNameProperty);
}
if (mbTileSource.Description != null)
{
ClearValue(DescriptionProperty);
}
if (mbTileSource.MinZoom.HasValue)
{
ClearValue(MinZoomLevelProperty);
}
if (mbTileSource.MaxZoom.HasValue)
{
ClearValue(MaxZoomLevelProperty);
}
}
mbTileSource.Dispose();
}
if (file != null)
{
mbTileSource = await MBTileSource.CreateAsync(file);
var tiledata = await MBTileData.CreateAsync(file);
var metadata = await tiledata.ReadMetadataAsync();
string s;
int minZoom;
int maxZoom;
if (mbTileSource.Name != null)
if (metadata.TryGetValue("name", out s))
{
SourceName = mbTileSource.Name;
SourceName = s;
}
if (mbTileSource.Description != null)
if (metadata.TryGetValue("description", out s))
{
Description = mbTileSource.Description;
Description = s;
}
if (mbTileSource.MinZoom.HasValue)
if (metadata.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
{
MinZoomLevel = mbTileSource.MinZoom.Value;
MinZoomLevel = minZoom;
}
if (mbTileSource.MaxZoom.HasValue)
if (metadata.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
{
MaxZoomLevel = mbTileSource.MaxZoom.Value;
MaxZoomLevel = maxZoom;
}
TileSource = mbTileSource;
TileSource = new MBTileSource(tiledata);
}
}
}

45
MBTiles/Shared/MBTileSource.cs
View file

@ -3,7 +3,6 @@
// 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;
@ -16,52 +15,10 @@ namespace MapControl.MBTiles
public sealed class MBTileSource : TileSource, IDisposable
{
public MBTileData TileData { get; }
public string Name { get; }
public string Description { get; }
public string Format { get; }
public int? MinZoom { get; }
public int? MaxZoom { get; }
private MBTileSource(MBTileData tiledata, IDictionary<string, string> metadata)
public MBTileSource(MBTileData tiledata)
{
TileData = tiledata;
string s;
int minZoom;
int maxZoom;
if (metadata.TryGetValue("name", out s))
{
Name = s;
}
if (metadata.TryGetValue("description", out s))
{
Description = s;
}
if (metadata.TryGetValue("format", out s))
{
Format = s;
}
if (metadata.TryGetValue("minzoom", out s) && int.TryParse(s, out minZoom))
{
MinZoom = minZoom;
}
if (metadata.TryGetValue("maxzoom", out s) && int.TryParse(s, out maxZoom))
{
MaxZoom = maxZoom;
}
}
public static async Task<MBTileSource> CreateAsync(string file)
{
var tiledata = await MBTileData.CreateAsync(file);
var metadata = await tiledata.ReadMetadataAsync();
return new MBTileSource(tiledata, metadata);
}
public void Dispose()