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 Details

    • DEFAULT_CACHE_SIZE

      public static final int DEFAULT_CACHE_SIZE
      Default max number of icon bitmaps to retain in cache
      See Also:

  • Constructor Details

    • 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 Details

    • 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