gov.nasa.worldwind.util

Class ImageTiler

java.lang.Object

gov.nasa.worldwind.util.ImageTiler

public class ImageTiler
extends Object

Subdivides an image into tiles and computes the corresponding sectors. The width and height of the returned tiles can be specified but default to 1024. If the base image width or height is not evenly divisible by the corresponding desired tile dimension, tiles along the right and bottom of the base image may contain pixels that do not correspond to pixels in the image. These pixels will have an alpha component of 0 and the corresponding tile will have an alpha channel. Otherwise tiles will not have an alpha channel. If the input image is already the desired subimage size, it is returned without being copied.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ImageTiler.ImageTilerListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_IMAGE_TILE_SIZE

Constructor Summary

Constructors

Constructor and Description
ImageTiler()

Method Summary

Modifier and Type	Method and Description
int	getTileHeight()
int	getTileWidth()
Color	getTransparencyColor()
void	setTileHeight(int tileHeight)
void	setTileWidth(int tileWidth)
void	setTransparencyColor(Color transparencyColor)
void	tileImage(BufferedImage image, List<? extends LatLon> corners, ImageTiler.ImageTilerListener listener)
void	tileImage(BufferedImage baseImage, Sector baseSector, ImageTiler.ImageTilerListener listener) Performs a subdivision according to the current parameters and assuming that the image corresponds with a Sector rather than a quadrilateral or other shape.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_IMAGE_TILE_SIZE

public static int DEFAULT_IMAGE_TILE_SIZE

Constructor Detail

ImageTiler

public ImageTiler()

Method Detail

getTileHeight

public int getTileHeight()

getTileWidth

public int getTileWidth()

getTransparencyColor

public Color getTransparencyColor()

setTileHeight

public void setTileHeight(int tileHeight)

setTileWidth

public void setTileWidth(int tileWidth)

setTransparencyColor

public void setTransparencyColor(Color transparencyColor)

tileImage

public void tileImage(BufferedImage image,
                      List<? extends LatLon> corners,
                      ImageTiler.ImageTilerListener listener)

tileImage

public void tileImage(BufferedImage baseImage,
                      Sector baseSector,
                      ImageTiler.ImageTilerListener listener)

Performs a subdivision according to the current parameters and assuming that the image corresponds with a Sector rather than a quadrilateral or other shape. Conveys each tile created to the caller via a listener callback.

Parameters:

baseImage - the image to tile.

baseSector - the sector defining the geographic extent of the base image.

listener - the listener to invoke when each new tile is created.

See Also:

ImageTiler.ImageTilerListener