SqliteBitmapTileCache¶

Namespace: ThinkGeo.UI.Android

This class represents the base sqlite bitmap tile cache.

public class SqliteBitmapTileCache : ThinkGeo.Core.RasterTileCache

Inheritance Object → TileCache → RasterTileCache → SqliteBitmapTileCache

Properties¶

DatabasePathFilename¶

Gets or sets the database path filename.

public string DatabasePathFilename { get; set; }

Property Value¶

String

        The database path filename.

CacheId¶

Gets or sets the id of the TileCache.

public string CacheId { get; set; }

Property Value¶

String

NoDataTileImage¶

public GeoImage NoDataTileImage { get; }

Property Value¶

GeoImage

LoadingTileImage¶

public GeoImage LoadingTileImage { get; }

Property Value¶

GeoImage

ImageFormat¶

public RasterTileFormat ImageFormat { get; set; }

Property Value¶

RasterTileFormat

JpegQuality¶

public short JpegQuality { get; set; }

Property Value¶

Int16

TileAccessMode¶

public TileAccessMode TileAccessMode { get; set; }

Property Value¶

TileAccessMode

ExpirationTime¶

public TimeSpan ExpirationTime { get; set; }

Property Value¶

TimeSpan

Constructors¶

SqliteBitmapTileCache()¶

Initializes a new instance of the SqliteBitmapTileCache class.

public SqliteBitmapTileCache()

SqliteBitmapTileCache(String, String)¶

Initializes a new instance of the SqliteBitmapTileCache class.

public SqliteBitmapTileCache(string databasePathFilename, string cacheId)

Parameters¶

databasePathFilename String
The database path filename.

cacheId String
The cache identifier.

Methods¶

GetTileCore(Int32, Int64, Int64)¶

This abstract method returns the BitmapTile corresponding to passed in row and column. Each concrete TileCache need to implement this logic to get tile from a row and column.

protected Tile GetTileCore(int zoom, long row, long column)

Parameters¶

zoom Int32

row Int64
The target row for the tile to fetch.

column Int64
The target column for the tile to fetch.

Returns¶

Tile

        Returns the BitmapTile corresponding to the passed in row and column.

ClearCacheCore()¶

This abstract method will clear all the tiles in the tileCache, for each sub TileCache class must implement this method.

protected void ClearCacheCore()

Remarks:

This method will not take effect when the ReadOnly is set to true.

SaveTileCore(Tile)¶

This abstract method will save the target tile passed in, for each sub TileCache class must implement this method.

protected void SaveTileCore(Tile tile)

Parameters¶

tile Tile
The target tile to be saved.

Remarks:

This method will not take effect when the ReadOnly is set to true.

DeleteTileCore(Tile)¶

This abstract method will delete the target tile passed in, for each sub TileCache class must implement this method.

protected void DeleteTileCore(Tile tile)

Parameters¶

tile Tile
The target tile to be deleted.

Remarks:

This method will not take effect when the ReadOnly is set to true.

Events¶

GottenCacheTile¶

public event EventHandler<GottenCacheImageBitmapTileCacheEventArgs> GottenCacheTile;

GettingCacheTile¶

public event EventHandler<GettingCacheImageBitmapTileCacheEventArgs> GettingCacheTile;