IlvDefaultTileCache Class Reference

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

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

Inheritance diagram for IlvDefaultTileCache:

List of all members.

Public Member Functions
	IlvDefaultTileCache (IlInt size=5)
	Creates an instance of the default cache with the specified size.
virtual void	controllerDeleted (IlvTileController *controller)
	Notifies the cache that the controller is going to be deleted.
IlInt	getCacheSize () const
	Returns the cache size.
void	setCacheSize (IlInt size)
	Sets the cache size.
virtual void	tileAboutToLoad (IlvTile *tile)
	Called by a tile controller each time that a tile is about to be loaded.
virtual void	tileCached (IlvTile *tile)
	Called each time a loaded tile has no longer a lock.
virtual void	tileRetrieved (IlvTile *tile)
	Called each time that a cached tile is locked again.
Static Public Member Functions
static IlvDefaultTileCache *	GetDefaultCache ()
	Returns a default cache instance that can be shared by several tile controllers.

---

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.

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Constructor & Destructor Documentation

IlvDefaultTileCache::IlvDefaultTileCache

(

IlInt

size = 5

)

Creates an instance of the default cache with the specified size.

Parameters:

size

The default cache size.

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Member Function Documentation

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.

IlInt IlvDefaultTileCache::getCacheSize

(

)

const

Returns the cache size.

Returns:

The cache size.

static IlvDefaultTileCache* IlvDefaultTileCache::GetDefaultCache

(

)

[static]

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

Returns:

The default cache instance.

void IlvDefaultTileCache::setCacheSize

(

IlInt

size

)

Sets the cache size.

Parameters:

size

The new cache size.

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.

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.

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.