EncryptedFileRasterTileCache¶

Namespace: ThinkGeo.Core

Represents the EncryptedFileRasterTileCache class.

public class EncryptedFileRasterTileCache : FileRasterTileCache

Inheritance object → TileCache → RasterTileCache → FileRasterTileCache → EncryptedFileRasterTileCache

Properties¶

CacheDirectory¶

Gets or sets the root directory where cached tiles are stored.

public string CacheDirectory { get; set; }

Property Value¶

string

Remarks:

Tiles are stored beneath this directory in a folder hierarchy based on TileCache.CacheId, zoom level, and tile coordinates.

NoDataTileImage¶

This property returns back a preset image showing the tileView data is missing.

public GeoImage NoDataTileImage { get; }

Property Value¶

GeoImage

LoadingTileImage¶

This property returns back a preset image showing the Tile is loading.

public GeoImage LoadingTileImage { get; }

Property Value¶

GeoImage

ImageFormat¶

Gets or sets the tileView image format.

public GeoImageFormat ImageFormat { get; set; }

Property Value¶

GeoImageFormat

JpegQuality¶

Gets or sets the Jpeg quality , this property only take effects when setting the ImageFormat to Jpeg.

public short JpegQuality { get; set; }

Property Value¶

short

TileAccessMode¶

Gets or sets the Mode for the TileCache access the tiles. The Default value is ReadAddDelete

public TileAccessMode TileAccessMode { get; set; }

Property Value¶

TileAccessMode

Remarks:

If you want it to take effect, you need set the Read property false.

CacheId¶

Gets or sets the id of the TileCache.

public string CacheId { get; set; }

Property Value¶

string

ExpirationTime¶

Gets or sets the ExpirationTime.

public TimeSpan ExpirationTime { get; set; }

Property Value¶

TimeSpan

Constructors¶

EncryptedFileRasterTileCache()¶

This is the default constructor.

public EncryptedFileRasterTileCache()

Remarks:

If you use this constructor, you have to set the properties manually.

EncryptedFileRasterTileCache(string)¶

This is the overloads constructor.

public EncryptedFileRasterTileCache(string cacheDirectory)

Parameters¶

cacheDirectory string
This parameter specifies the cache directory of the tileView cache.

Remarks:

If you use this constructor, the other properties are set with default values.

EncryptedFileRasterTileCache(string, string)¶

This is the overloads constructor.

public EncryptedFileRasterTileCache(string cacheDirectory, string cacheId)

Parameters¶

cacheDirectory string
This parameter specifies the cache directory of the tileView cache.

cacheId string
This parameter specifies the cache id of the tileView cache.

Remarks:

If you use this constructor, the other properties are set with default values.

Methods¶

SaveTileCore(Tile)¶

Provides the overridable implementation that saves the current object to the specified destination.

protected void SaveTileCore(Tile tile)

Parameters¶

tile Tile
The tile.

Returns¶

void

GetTileCore(int, long, long)¶

Provides the overridable implementation that returns tile for the specified parameters.

protected Tile GetTileCore(int zoom, long x, long y)

Parameters¶

zoom int
The zoom.

x long
The x-coordinate, in pixels.

y long
The y-coordinate, in pixels.

Returns¶

Tile
The result of the operation.

Events¶

GottenCacheTile¶

Occurs when the GottenCacheTile event is raised.

public event EventHandler<GottenCacheImageBitmapTileCacheEventArgs> GottenCacheTile;

GettingCacheTile¶

Occurs when the GettingCacheTile event is raised.

public event EventHandler<GettingCacheImageBitmapTileCacheEventArgs> GettingCacheTile;

GottenTile¶

Occurs when the GottenTile event is raised.

public event EventHandler<GottenTileTileCacheEventArgs> GottenTile;

GettingTile¶

Occurs when the GettingTile event is raised.

public event EventHandler<GettingTileTileCacheEventArgs> GettingTile;

SavingTile¶

Occurs when the SavingTile event is raised.

public event EventHandler<SavingTileTileCacheEventArgs> SavingTile;

SavedTile¶

Occurs when the SavedTile event is raised.

public event EventHandler<SavedTileTileCacheEventArgs> SavedTile;