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File scoped namespaces
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ClemensFischer
parent
c14377f976
commit
65aba44af6
152 changed files with 11962 additions and 12115 deletions
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@ -11,86 +11,85 @@ using Microsoft.UI.Xaml;
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using DependencyProperty = Avalonia.AvaloniaProperty;
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#endif
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namespace MapControl.MBTiles
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namespace MapControl.MBTiles;
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/// <summary>
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/// MapTileLayer that uses an MBTiles SQLite Database. See https://wiki.openstreetmap.org/wiki/MBTiles.
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/// </summary>
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public class MBTileLayer : MapTileLayer
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{
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/// <summary>
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/// MapTileLayer that uses an MBTiles SQLite Database. See https://wiki.openstreetmap.org/wiki/MBTiles.
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/// </summary>
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public class MBTileLayer : MapTileLayer
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger<MBTileLayer>();
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public static readonly DependencyProperty FileProperty =
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DependencyPropertyHelper.Register<MBTileLayer, string>(nameof(File), null,
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async (layer, oldValue, newValue) => await layer.FilePropertyChanged(newValue));
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public string File
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{
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger<MBTileLayer>();
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get => (string)GetValue(FileProperty);
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set => SetValue(FileProperty, value);
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}
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public static readonly DependencyProperty FileProperty =
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DependencyPropertyHelper.Register<MBTileLayer, string>(nameof(File), null,
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async (layer, oldValue, newValue) => await layer.FilePropertyChanged(newValue));
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/// <summary>
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/// May be overridden to create a derived MBTileSource that handles other tile formats than png and jpg.
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/// </summary>
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protected virtual async Task<MBTileSource> CreateTileSourceAsync(string file)
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{
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var tileSource = new MBTileSource();
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public string File
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await tileSource.OpenAsync(file);
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if (tileSource.Metadata.TryGetValue("format", out string format) && format != "png" && format != "jpg")
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{
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get => (string)GetValue(FileProperty);
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set => SetValue(FileProperty, value);
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tileSource.Dispose();
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throw new NotSupportedException($"Tile image format {format} is not supported.");
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}
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/// <summary>
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/// May be overridden to create a derived MBTileSource that handles other tile formats than png and jpg.
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/// </summary>
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protected virtual async Task<MBTileSource> CreateTileSourceAsync(string file)
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return tileSource;
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}
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private async Task FilePropertyChanged(string file)
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{
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(TileSource as MBTileSource)?.Close();
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ClearValue(TileSourceProperty);
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ClearValue(SourceNameProperty);
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ClearValue(DescriptionProperty);
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ClearValue(MinZoomLevelProperty);
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ClearValue(MaxZoomLevelProperty);
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if (!string.IsNullOrEmpty(file))
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{
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var tileSource = new MBTileSource();
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await tileSource.OpenAsync(file);
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if (tileSource.Metadata.TryGetValue("format", out string format) && format != "png" && format != "jpg")
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try
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{
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tileSource.Dispose();
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var tileSource = await CreateTileSourceAsync(file);
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throw new NotSupportedException($"Tile image format {format} is not supported.");
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TileSource = tileSource;
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if (tileSource.Metadata.TryGetValue("name", out string value))
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{
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SourceName = value;
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}
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if (tileSource.Metadata.TryGetValue("description", out value))
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{
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Description = value;
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}
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if (tileSource.Metadata.TryGetValue("minzoom", out value) && int.TryParse(value, out int zoomLevel))
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{
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MinZoomLevel = zoomLevel;
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}
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if (tileSource.Metadata.TryGetValue("maxzoom", out value) && int.TryParse(value, out zoomLevel))
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{
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MaxZoomLevel = zoomLevel;
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}
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}
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return tileSource;
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}
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private async Task FilePropertyChanged(string file)
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{
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(TileSource as MBTileSource)?.Close();
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ClearValue(TileSourceProperty);
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ClearValue(SourceNameProperty);
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ClearValue(DescriptionProperty);
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ClearValue(MinZoomLevelProperty);
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ClearValue(MaxZoomLevelProperty);
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if (!string.IsNullOrEmpty(file))
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catch (Exception ex)
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{
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try
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{
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var tileSource = await CreateTileSourceAsync(file);
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TileSource = tileSource;
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if (tileSource.Metadata.TryGetValue("name", out string value))
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{
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SourceName = value;
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}
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if (tileSource.Metadata.TryGetValue("description", out value))
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{
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Description = value;
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}
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if (tileSource.Metadata.TryGetValue("minzoom", out value) && int.TryParse(value, out int zoomLevel))
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{
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MinZoomLevel = zoomLevel;
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}
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if (tileSource.Metadata.TryGetValue("maxzoom", out value) && int.TryParse(value, out zoomLevel))
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{
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MaxZoomLevel = zoomLevel;
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}
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}
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catch (Exception ex)
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{
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Logger?.LogError(ex, "Invalid file: {file}", file);
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}
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Logger?.LogError(ex, "Invalid file: {file}", file);
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}
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}
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}
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@ -13,74 +13,73 @@ using Microsoft.UI.Xaml.Media;
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using ImageSource = Avalonia.Media.IImage;
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#endif
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namespace MapControl.MBTiles
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namespace MapControl.MBTiles;
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public sealed partial class MBTileSource : TileSource, IDisposable
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{
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public sealed partial class MBTileSource : TileSource, IDisposable
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger<MBTileSource>();
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private SQLiteConnection connection;
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public IDictionary<string, string> Metadata { get; } = new Dictionary<string, string>();
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public async Task OpenAsync(string file)
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{
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger<MBTileSource>();
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Close();
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private SQLiteConnection connection;
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connection = new SQLiteConnection("Data Source=" + FilePath.GetFullPath(file) + ";Read Only=True");
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public IDictionary<string, string> Metadata { get; } = new Dictionary<string, string>();
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await connection.OpenAsync();
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public async Task OpenAsync(string file)
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using var command = new SQLiteCommand("select * from metadata", connection);
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var reader = await command.ExecuteReaderAsync();
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while (await reader.ReadAsync())
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{
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Close();
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connection = new SQLiteConnection("Data Source=" + FilePath.GetFullPath(file) + ";Read Only=True");
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await connection.OpenAsync();
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using var command = new SQLiteCommand("select * from metadata", connection);
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var reader = await command.ExecuteReaderAsync();
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while (await reader.ReadAsync())
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{
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Metadata[(string)reader["name"]] = (string)reader["value"];
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}
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}
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public void Close()
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{
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if (connection != null)
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{
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Metadata.Clear();
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connection.Dispose();
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connection = null;
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}
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}
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public void Dispose()
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{
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Close();
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}
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public override async Task<ImageSource> LoadImageAsync(int zoomLevel, int column, int row)
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{
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ImageSource image = null;
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try
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{
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using var command = new SQLiteCommand("select tile_data from tiles where zoom_level=@z and tile_column=@x and tile_row=@y", connection);
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command.Parameters.AddWithValue("@z", zoomLevel);
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command.Parameters.AddWithValue("@x", column);
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command.Parameters.AddWithValue("@y", (1 << zoomLevel) - row - 1);
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var buffer = (byte[])await command.ExecuteScalarAsync();
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if (buffer?.Length > 0)
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{
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image = await ImageLoader.LoadImageAsync(buffer);
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}
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}
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catch (Exception ex)
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{
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Logger?.LogError(ex, "LoadImageAsync");
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}
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return image;
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Metadata[(string)reader["name"]] = (string)reader["value"];
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}
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}
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public void Close()
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{
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if (connection != null)
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{
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Metadata.Clear();
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connection.Dispose();
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connection = null;
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}
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}
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public void Dispose()
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{
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Close();
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}
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public override async Task<ImageSource> LoadImageAsync(int zoomLevel, int column, int row)
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{
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ImageSource image = null;
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try
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{
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using var command = new SQLiteCommand("select tile_data from tiles where zoom_level=@z and tile_column=@x and tile_row=@y", connection);
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command.Parameters.AddWithValue("@z", zoomLevel);
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command.Parameters.AddWithValue("@x", column);
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command.Parameters.AddWithValue("@y", (1 << zoomLevel) - row - 1);
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var buffer = (byte[])await command.ExecuteScalarAsync();
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if (buffer?.Length > 0)
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{
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image = await ImageLoader.LoadImageAsync(buffer);
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}
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}
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catch (Exception ex)
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{
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Logger?.LogError(ex, "LoadImageAsync");
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}
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return image;
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}
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}
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