Package mil.nga.geopackage.extension.nga.style

Class IconCache

java.lang.Object

mil.nga.geopackage.extension.nga.style.IconCache

public class IconCache
extends Object

Icon Cache of icon bitmaps

Since:

3.2.0

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_CACHE_SIZE	Default max number of icon bitmaps to retain in cache

Constructor Summary

Constructors

Constructor	Description
IconCache()	Constructor, created with cache size of DEFAULT_CACHE_SIZE
IconCache(int size)	Constructor

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear the cache
Bitmap	createIcon(IconRow icon)	Create or retrieve from cache an icon bitmap for the icon row
Bitmap	createIcon(IconRow icon, float density)	Create or retrieve from cache an icon bitmap for the icon row
static Bitmap	createIcon(IconRow icon, float density, IconCache iconCache)	Create or retrieve from cache an icon bitmap for the icon row
static Bitmap	createIcon(IconRow icon, IconCache iconCache)	Create or retrieve from cache an icon bitmap for the icon row
static Bitmap	createIconNoCache(IconRow icon)	Create an icon bitmap for the icon row without caching
static Bitmap	createIconNoCache(IconRow icon, float density)	Create an icon bitmap for the icon row without caching
Bitmap	get(long iconRowId)	Get the cached bitmap for the icon row id or null if not cached
Bitmap	get(IconRow iconRow)	Get the cached bitmap for the icon row or null if not cached
Bitmap	put(long iconRowId, Bitmap bitmap)	Cache the icon bitmap for the icon row id
Bitmap	put(IconRow iconRow, Bitmap bitmap)	Cache the icon bitmap for the icon row
Bitmap	remove(long iconRowId)	Remove the cached bitmap for the icon row id
Bitmap	remove(IconRow iconRow)	Remove the cached bitmap for the icon row
void	resize(int maxSize)	Resize the cache

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CACHE_SIZE

public static final int DEFAULT_CACHE_SIZE

Default max number of icon bitmaps to retain in cache

See Also:

Constant Field Values

Constructor Detail

IconCache

public IconCache()

Constructor, created with cache size of DEFAULT_CACHE_SIZE

IconCache

public IconCache(int size)

Constructor

Parameters:

size - max icon bitmaps to retain in the cache

Method Detail

get

public Bitmap get(IconRow iconRow)

Get the cached bitmap for the icon row or null if not cached

Parameters:

iconRow - icon row

Returns:

icon bitmap or null

get

public Bitmap get(long iconRowId)

Get the cached bitmap for the icon row id or null if not cached

Parameters:

iconRowId - icon row id

Returns:

icon bitmap or null

put

public Bitmap put(IconRow iconRow,
                  Bitmap bitmap)

Cache the icon bitmap for the icon row

Parameters:

iconRow - icon row

bitmap - icon bitmap

Returns:

previous cached icon bitmap or null

put

public Bitmap put(long iconRowId,
                  Bitmap bitmap)

Cache the icon bitmap for the icon row id

Parameters:

iconRowId - icon row id

bitmap - icon bitmap

Returns:

previous cached icon bitmap or null

remove

public Bitmap remove(IconRow iconRow)

Remove the cached bitmap for the icon row

Parameters:

iconRow - icon row

Returns:

removed icon bitmap or null

remove

public Bitmap remove(long iconRowId)

Remove the cached bitmap for the icon row id

Parameters:

iconRowId - icon row id

Returns:

removed icon bitmap or null

clear

public void clear()

Clear the cache

resize

public void resize(int maxSize)

Resize the cache

Parameters:

maxSize - max size

createIcon

public Bitmap createIcon(IconRow icon)

Create or retrieve from cache an icon bitmap for the icon row

Parameters:

icon - icon row

Returns:

icon bitmap

createIcon

public Bitmap createIcon(IconRow icon,
                         float density)

Create or retrieve from cache an icon bitmap for the icon row

Parameters:

icon - icon row

density - display density: DisplayMetrics.density

Returns:

icon bitmap

createIconNoCache

public static Bitmap createIconNoCache(IconRow icon)

Create an icon bitmap for the icon row without caching

Parameters:

icon - icon row

Returns:

icon bitmap

createIconNoCache

public static Bitmap createIconNoCache(IconRow icon,
                                       float density)

Create an icon bitmap for the icon row without caching

Parameters:

icon - icon row

density - display density: DisplayMetrics.density

Returns:

icon bitmap

createIcon

public static Bitmap createIcon(IconRow icon,
                                IconCache iconCache)

Create or retrieve from cache an icon bitmap for the icon row

Parameters:

icon - icon row

iconCache - icon cache

Returns:

icon bitmap

createIcon

public static Bitmap createIcon(IconRow icon,
                                float density,
                                IconCache iconCache)

Create or retrieve from cache an icon bitmap for the icon row

Parameters:

icon - icon row

density - display density: DisplayMetrics.density

iconCache - icon cache

Returns:

icon bitmap