org.gvsig.raster.lib.buffer.impl

Class AbstractTiledBand

java.lang.Object

org.gvsig.tools.observer.impl.BaseWeakReferencingObservable

org.gvsig.raster.lib.buffer.impl.AbstractBand

org.gvsig.raster.lib.buffer.impl.AbstractTiledBand

All Implemented Interfaces:

java.lang.Cloneable, Band, Disposable, ComplexObservable, ComplexWeakReferencingObservable, Observable, WeakReferencingObservable

Direct Known Subclasses:

TiledBandByte, TiledBandDouble, TiledBandFloat, TiledBandInt, TiledBandShort

public abstract class AbstractTiledBand
extends AbstractBand
implements Band

Nested Class Summary

Nested classes/interfaces inherited from interface org.gvsig.raster.lib.buffer.api.Band

Band.BandByte, Band.BandDouble, Band.BandFloat, Band.BandInt, Band.BandShort

Field Summary

Fields

Modifier and Type	Field and Description
protected int	columnsInTile
protected int	columnsPerTile
protected java.nio.Buffer	data
protected int	firstColumnOfTile
protected int	firstRowOfTile
protected int	rowsInTile
protected int	rowsPerTile
protected BandTileManager	tileManager

Fields inherited from class org.gvsig.raster.lib.buffer.impl.AbstractBand

logger

Constructor Summary

Constructors

Constructor and Description
AbstractTiledBand(int rows, int columns, NoData noData, BandTileManager tileManager)

Method Summary

Modifier and Type	Method and Description
protected int	calculateBufferSizeToAllocate(int rows, int columns) Calculate buffer size than must be allocated.
protected void	doCopyFrom(Band source)
protected void	doCopyFrom(Band source, int row, int column)
void	doDispose() Internal implementation for the AbstractBand.dispose() method.
BandInfo	getBandInfo() Gets information about the specified band.
protected abstract int	getDataSize()
boolean	isPaginated()
boolean	isReadOnly()
protected void	loadTile(int row, int column)
protected void	saveCurrentTile()

Methods inherited from class org.gvsig.raster.lib.buffer.impl.AbstractBand

clone, copyFrom, copyFrom, dispose, doFill, doPutRow, doSet, fill, finalize, getAsDouble, getColumns, getNoData, getRows, nullValueToNoData, putRow, set

Methods inherited from class org.gvsig.tools.observer.impl.BaseWeakReferencingObservable

addObserver, addObserver, addObservers, beginComplexNotification, clearChanged, countObservers, deleteObserver, deleteObserver, deleteObservers, disableNotifications, enableNotifications, endComplexNotification, hasChanged, inComplex, isEnabledNotifications, notify, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.raster.lib.buffer.api.Band

copyFrom, copyFrom, createRowBuffer, fetchRow, fill, get, getAsDouble, getColumns, getDataType, getNoData, getRows, putRow, set

Methods inherited from interface org.gvsig.tools.lang.Cloneable

clone, cloneQuietly, cloneQuietly

Methods inherited from interface org.gvsig.tools.observer.ComplexObservable

beginComplexNotification, disableNotifications, enableNotifications, endComplexNotification

Methods inherited from interface org.gvsig.tools.observer.Observable

addObserver, deleteObserver, deleteObservers

Methods inherited from interface org.gvsig.tools.dispose.Disposable

dispose

Field Detail

data

protected java.nio.Buffer data

firstRowOfTile

protected int firstRowOfTile

firstColumnOfTile

protected int firstColumnOfTile

rowsPerTile

protected int rowsPerTile

columnsPerTile

protected int columnsPerTile

tileManager

protected BandTileManager tileManager

rowsInTile

protected int rowsInTile

columnsInTile

protected int columnsInTile

Constructor Detail

AbstractTiledBand

public AbstractTiledBand(int rows,
                         int columns,
                         NoData noData,
                         BandTileManager tileManager)

Parameters:

rows -

columns -

noData -

tileManager -

Method Detail

doCopyFrom

protected void doCopyFrom(Band source)
                   throws CopyFromBandException

Specified by:

doCopyFrom in class AbstractBand

Throws:

CopyFromBandException

doCopyFrom

protected void doCopyFrom(Band source,
                          int row,
                          int column)
                   throws CopyFromBandException

Specified by:

doCopyFrom in class AbstractBand

Throws:

CopyFromBandException

loadTile

protected void loadTile(int row,
                        int column)

saveCurrentTile

protected void saveCurrentTile()

getDataSize

protected abstract int getDataSize()

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in interface Band

Overrides:

isReadOnly in class AbstractBand

Returns:

If supports writing or not

isPaginated

public boolean isPaginated()

Specified by:

isPaginated in interface Band

Overrides:

isPaginated in class AbstractBand

Returns:

true if is paginated

getBandInfo

public BandInfo getBandInfo()

Description copied from interface: Band

Gets information about the specified band. If band does not have information, it will return null

Specified by:

getBandInfo in interface Band

Overrides:

getBandInfo in class AbstractBand

Returns:

Returns information about specified band.

calculateBufferSizeToAllocate

protected int calculateBufferSizeToAllocate(int rows,
                                            int columns)

Calculate buffer size than must be allocated.

Parameters:

rows -

columns -

Returns:

doDispose

public void doDispose()
               throws BaseException

Description copied from class: AbstractBand

Internal implementation for the AbstractBand.dispose() method.

Overrides:

doDispose in class AbstractBand

Throws:

BaseException

See Also:

AbstractBand.dispose()