IlvDefaultTileCache Class Reference

The default cache of the tile controllers. More...

#include <ilviews/maps/tiling/tilecache.h>

Inheritance diagram for IlvDefaultTileCache:

Public Member Functions
	IlvDefaultTileCache (IlInt size=5)
	Initializes a new IlvDefaultTileCache instance with the specified size. More...
virtual void	controllerDeleted (IlvTileController *controller)
	Notifies the cache that the controller is going to be deleted. More...
IlInt	getCacheSize () const
	Returns the cache size. More...
void	setCacheSize (IlInt size)
	Sets the cache size. More...
virtual void	tileAboutToLoad (IlvTile *tile)
	Called by a tile controller each time that a tile is about to be loaded. More...
virtual void	tileCached (IlvTile *tile)
	Called each time a loaded tile has no longer a lock. More...
virtual void	tileRetrieved (IlvTile *tile)
	Called each time that a cached tile is locked again. More...
Public Member Functions inherited from IlvTileCache
void	lock ()
	Called by the objects that use the cache. More...
void	unLock ()
	Called by objects that stop using the cache. More...

Static Public Member Functions
static IlvDefaultTileCache *	GetDefaultCache ()
	Returns a default cache instance that can be shared by several tile controllers. More...

Additional Inherited Members
Protected Member Functions inherited from IlvTileCache
	IlvTileCache ()
	Initializes a new IlvTileCache instance.
virtual	~IlvTileCache ()
	Destructor. More...
void	releaseTile (IlvTile *tile)
	Releases a tile. More...

Detailed Description

The default cache of the tile controllers.

Library: ilvmaps

This cache maintains a list of cached tiles. The maximum size of this list can be specified.

When the size of the cache is exceeded and a new tile is about to be loaded, the least recently used cached tiles are released.

Constructor & Destructor Documentation

IlvDefaultTileCache()

IlvDefaultTileCache::IlvDefaultTileCache

(

IlInt

size = 5

)

Initializes a new IlvDefaultTileCache instance with the specified size.

Parameters

size	The default cache size.

Member Function Documentation

controllerDeleted()

virtual void IlvDefaultTileCache::controllerDeleted ( IlvTileController *  controller )

virtual

Notifies the cache that the controller is going to be deleted.

Parameters

controller

About to be deleted.

Implements IlvTileCache.

getCacheSize()

IlInt IlvDefaultTileCache::getCacheSize

(

)

const

Returns the cache size.

Returns

The cache size.

GetDefaultCache()

static IlvDefaultTileCache* IlvDefaultTileCache::GetDefaultCache ( )

static

Returns a default cache instance that can be shared by several tile controllers.

Returns

The default cache instance.

setCacheSize()

void IlvDefaultTileCache::setCacheSize

(

IlInt

size

)

Sets the cache size.

Parameters

size	The new cache size.

tileAboutToLoad()

virtual void IlvDefaultTileCache::tileAboutToLoad ( IlvTile *  tile )

virtual

Called by a tile controller each time that a tile is about to be loaded.

The cache can then, if necessary, release tiles.

Parameters

tile	The tile that is about to be loaded.

Implements IlvTileCache.

tileCached()

virtual void IlvDefaultTileCache::tileCached ( IlvTile *  tile )

virtual

Called each time a loaded tile has no longer a lock.

Parameters

tile	The tile to be cached.

Implements IlvTileCache.

tileRetrieved()

virtual void IlvDefaultTileCache::tileRetrieved ( IlvTile *  tile )

virtual

Called each time that a cached tile is locked again.

Parameters

tile	The tile that is retrieved from the cache by a tile controller.

Implements IlvTileCache.