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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25
MBTiles/Shared/MBTileData.cs
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@ -20,12 +20,12 @@ namespace MapControl.MBTiles
{
private readonly SQLiteConnection connection;
public MBTileData(string file)
private MBTileData(string file)
{
connection = new SQLiteConnection("Data Source=" + Path.GetFullPath(file));
}
public async Task OpenAsync()
private async Task OpenAsync()
{
await connection.OpenAsync();
@ -40,6 +40,15 @@ namespace MapControl.MBTiles
}
}
public static async Task<MBTileData> CreateAsync(string file)
{
var tileData = new MBTileData(file);
await tileData.OpenAsync();
return tileData;
}
public void Close()
{
connection.Close();
@ -50,9 +59,9 @@ namespace MapControl.MBTiles
connection.Dispose();
}
public async Task<IDictionary<string, string>> ReadMetadataAsync()
public async Task<IDictionary<string, string>> ReadMetaDataAsync()
{
var metadata = new Dictionary<string, string>();
var metaData = new Dictionary<string, string>();
try
{
@ -62,7 +71,7 @@ namespace MapControl.MBTiles
while (await reader.ReadAsync())
{
metadata[(string)reader["name"]] = (string)reader["value"];
metaData[(string)reader["name"]] = (string)reader["value"];
}
}
}
@ -71,16 +80,16 @@ namespace MapControl.MBTiles
Debug.WriteLine("MBTileData: " + ex.Message);
}
return metadata;
return metaData;
}
public async Task WriteMetadataAsync(IDictionary<string, string> metadata)
public async Task WriteMetaDataAsync(IDictionary<string, string> metaData)
{
try
{
using (var command = new SQLiteCommand("insert or replace into metadata (name, value) values (@n, @v)", connection))
{
foreach (var keyValue in metadata)
foreach (var keyValue in metaData)
{
command.Parameters.AddWithValue("@n", keyValue.Key);
command.Parameters.AddWithValue("@v", keyValue.Value);