org.osmdroid.tileprovider.tilesource
Class BitmapTileSourceBase

java.lang.Object
  org.osmdroid.tileprovider.tilesource.BitmapTileSourceBase

All Implemented Interfaces:

OpenStreetMapTileProviderConstants, ITileSource

Direct Known Subclasses:

OnlineTileSourceBase

public abstract class BitmapTileSourceBase
extends Object
implements ITileSource, OpenStreetMapTileProviderConstants

Nested Class Summary

class

BitmapTileSourceBase.LowMemoryException

Field Summary

protected String	mImageFilenameEnding
protected String	mName
protected Random	random

Fields inherited from interface org.osmdroid.tileprovider.constants.OpenStreetMapTileProviderConstants

CACHE_MAPTILECOUNT_DEFAULT, DEBUGMODE, DEFAULT_MAXIMUM_CACHED_FILE_AGE, MAXIMUM_ZOOMLEVEL, MINIMUM_ZOOMLEVEL, NUMBER_OF_TILE_DOWNLOAD_THREADS, NUMBER_OF_TILE_FILESYSTEM_THREADS, ONE_DAY, ONE_HOUR, ONE_MINUTE, ONE_SECOND, ONE_WEEK, ONE_YEAR, OSMDROID_PATH, TILE_DOWNLOAD_MAXIMUM_QUEUE_SIZE, TILE_EXPIRY_TIME_MILLISECONDS, TILE_FILESYSTEM_MAXIMUM_QUEUE_SIZE, TILE_MAX_CACHE_SIZE_BYTES, TILE_PATH_BASE, TILE_PATH_EXTENSION, TILE_TRIM_CACHE_SIZE_BYTES

Constructor Summary

BitmapTileSourceBase(String aName, ResourceProxy.string aResourceId, int aZoomMinLevel, int aZoomMaxLevel, int aTileSizePixels, String aImageFilenameEnding)

Method Summary

android.graphics.drawable.Drawable	getDrawable(InputStream aFileInputStream) Get a rendered Drawable from the specified InputStream.
android.graphics.drawable.Drawable	getDrawable(String aFilePath) Get a rendered Drawable from the specified file path.
int	getMaximumZoomLevel() Get the maximum zoom level this tile source can provide.
int	getMinimumZoomLevel() Get the minimum zoom level this tile source can provide.
String	getTileRelativeFilenameString(MapTile tile) Get a unique file path for the tile.
int	getTileSizePixels() Get the tile size in pixels this tile source provides.
String	imageFilenameEnding()
String	localizedName(ResourceProxy proxy) A localized human-friendly name for this tile source
String	name() A human-friendly name for this tile source
int	ordinal() An ordinal identifier for this tile source
String	pathBase()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mName

protected final String mName

mImageFilenameEnding

protected final String mImageFilenameEnding

random

protected final Random random

Constructor Detail

BitmapTileSourceBase

public BitmapTileSourceBase(String aName,
                            ResourceProxy.string aResourceId,
                            int aZoomMinLevel,
                            int aZoomMaxLevel,
                            int aTileSizePixels,
                            String aImageFilenameEnding)

Method Detail

ordinal

public int ordinal()

Description copied from interface: ITileSource

An ordinal identifier for this tile source

Specified by:

ordinal in interface ITileSource

Returns:

the ordinal value

name

public String name()

Description copied from interface: ITileSource

A human-friendly name for this tile source

Specified by:

name in interface ITileSource

Returns:

the tile source name

pathBase

public String pathBase()

imageFilenameEnding

public String imageFilenameEnding()

getMinimumZoomLevel

public int getMinimumZoomLevel()

Description copied from interface: ITileSource

Get the minimum zoom level this tile source can provide.

Specified by:

getMinimumZoomLevel in interface ITileSource

Returns:

the minimum zoom level

getMaximumZoomLevel

public int getMaximumZoomLevel()

Description copied from interface: ITileSource

Get the maximum zoom level this tile source can provide.

Specified by:

getMaximumZoomLevel in interface ITileSource

Returns:

the maximum zoom level

getTileSizePixels

public int getTileSizePixels()

Description copied from interface: ITileSource

Get the tile size in pixels this tile source provides.

Specified by:

getTileSizePixels in interface ITileSource

Returns:

the tile size in pixels

localizedName

public String localizedName(ResourceProxy proxy)

Description copied from interface: ITileSource

A localized human-friendly name for this tile source

Specified by:

localizedName in interface ITileSource

Parameters:

proxy - a resource proxy

Returns:

the localized tile source name

getDrawable

public android.graphics.drawable.Drawable getDrawable(String aFilePath)

Description copied from interface: ITileSource

Get a rendered Drawable from the specified file path.

Specified by:

getDrawable in interface ITileSource

Parameters:

aFilePath - a file path

Returns:

the rendered Drawable

getTileRelativeFilenameString

public String getTileRelativeFilenameString(MapTile tile)

Description copied from interface: ITileSource

Get a unique file path for the tile. This file path may be used to store the tile on a file system and performance considerations should be taken into consideration. It can include multiple paths. It should not begin with a leading path separator.

Specified by:

getTileRelativeFilenameString in interface ITileSource

Parameters:

tile - the tile

Returns:

the unique file path

getDrawable

public android.graphics.drawable.Drawable getDrawable(InputStream aFileInputStream)
                                               throws BitmapTileSourceBase.LowMemoryException

Description copied from interface: ITileSource

Get a rendered Drawable from the specified InputStream.

Specified by:

getDrawable in interface ITileSource

Parameters:

aFileInputStream - an InputStream

Returns:

the rendered Drawable

Throws:

BitmapTileSourceBase.LowMemoryException