com.sun.media.imageioimpl.plugins.wbmp

Class WBMPImageReader

java.lang.Object

javax.imageio.ImageReader

com.sun.media.imageioimpl.plugins.wbmp.WBMPImageReader

public class WBMPImageReader
extends ImageReader

This class is the Java Image IO plugin reader for WBMP images. It may subsample the image, clip the image, and shift the decoded image origin if the proper decoding parameter are set in the provided WBMPImageReadParam.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	gotHeader Indicates whether the header is read.
private int	height The original image height.
private ImageInputStream	iis The input stream where reads from
private long	imageDataOffset The stream position where the image data starts.
private WBMPMetadata	metadata
private int	wbmpType
private int	width The original image width.

Fields inherited from class javax.imageio.ImageReader

availableLocales, ignoreMetadata, input, locale, minIndex, originatingProvider, progressListeners, seekForwardOnly, updateListeners, warningListeners, warningLocales

Constructor Summary

Constructors

Constructor and Description
WBMPImageReader(ImageReaderSpi originator) Constructs WBMPImageReader from the provided ImageReaderSpi.

Method Summary

Modifier and Type	Method and Description
boolean	canReadRaster()
private void	checkIndex(int imageIndex)
ImageReadParam	getDefaultReadParam()
int	getHeight(int imageIndex)
IIOMetadata	getImageMetadata(int imageIndex)
Iterator	getImageTypes(int imageIndex)
int	getNumImages(boolean allowSearch) Overrides the method defined in the superclass.
IIOMetadata	getStreamMetadata()
int	getWidth(int imageIndex)
boolean	isRandomAccessEasy(int imageIndex)
(package private) boolean	isValidWbmpType(int type)
BufferedImage	read(int imageIndex, ImageReadParam param)
void	readHeader()
Raster	readRaster(int imageIndex, ImageReadParam param)
void	reset()
void	setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata) Overrides the method defined in the superclass.

Methods inherited from class javax.imageio.ImageReader

abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, checkReadParamBandSettings, clearAbortRequest, computeRegions, dispose, getAspectRatio, getAvailableLocales, getDestination, getFormatName, getImageMetadata, getInput, getLocale, getMinIndex, getNumThumbnails, getOriginatingProvider, getRawImageType, getSourceRegion, getStreamMetadata, getThumbnailHeight, getThumbnailWidth, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, hasThumbnails, isIgnoringMetadata, isImageTiled, isSeekForwardOnly, processImageComplete, processImageProgress, processImageStarted, processImageUpdate, processPassComplete, processPassStarted, processReadAborted, processSequenceComplete, processSequenceStarted, processThumbnailComplete, processThumbnailPassComplete, processThumbnailPassStarted, processThumbnailProgress, processThumbnailStarted, processThumbnailUpdate, processWarningOccurred, processWarningOccurred, read, readAll, readAll, readAsRenderedImage, readerSupportsThumbnails, readThumbnail, readTile, readTileRaster, removeAllIIOReadProgressListeners, removeAllIIOReadUpdateListeners, removeAllIIOReadWarningListeners, removeIIOReadProgressListener, removeIIOReadUpdateListener, removeIIOReadWarningListener, setInput, setInput, setLocale

Methods inherited from class java.lang.Object

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

Field Detail

iis

private ImageInputStream iis

The input stream where reads from

gotHeader

private boolean gotHeader

Indicates whether the header is read.

imageDataOffset

private long imageDataOffset

The stream position where the image data starts.

width

private int width

The original image width.

height

private int height

The original image height.

wbmpType

private int wbmpType

metadata

private WBMPMetadata metadata

Constructor Detail

WBMPImageReader

public WBMPImageReader(ImageReaderSpi originator)

Constructs WBMPImageReader from the provided ImageReaderSpi.

Method Detail

setInput

public void setInput(Object input,
                     boolean seekForwardOnly,
                     boolean ignoreMetadata)

Overrides the method defined in the superclass.

Overrides:

setInput in class ImageReader

getNumImages

public int getNumImages(boolean allowSearch)
                 throws IOException

Overrides the method defined in the superclass.

Specified by:

getNumImages in class ImageReader

Throws:

IOException

getWidth

public int getWidth(int imageIndex)
             throws IOException

Specified by:

getWidth in class ImageReader

Throws:

IOException

getHeight

public int getHeight(int imageIndex)
              throws IOException

Specified by:

getHeight in class ImageReader

Throws:

IOException

isRandomAccessEasy

public boolean isRandomAccessEasy(int imageIndex)
                           throws IOException

Overrides:

isRandomAccessEasy in class ImageReader

Throws:

IOException

checkIndex

private void checkIndex(int imageIndex)

readHeader

public void readHeader()
                throws IOException

Throws:

IOException

getImageTypes

public Iterator getImageTypes(int imageIndex)
                       throws IOException

Specified by:

getImageTypes in class ImageReader

Throws:

IOException

getDefaultReadParam

public ImageReadParam getDefaultReadParam()

Overrides:

getDefaultReadParam in class ImageReader

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex)
                             throws IOException

Specified by:

getImageMetadata in class ImageReader

Throws:

IOException

getStreamMetadata

public IIOMetadata getStreamMetadata()
                              throws IOException

Specified by:

getStreamMetadata in class ImageReader

Throws:

IOException

read

public BufferedImage read(int imageIndex,
                          ImageReadParam param)
                   throws IOException

Specified by:

read in class ImageReader

Throws:

IOException

canReadRaster

public boolean canReadRaster()

Overrides:

canReadRaster in class ImageReader

readRaster

public Raster readRaster(int imageIndex,
                         ImageReadParam param)
                  throws IOException

Overrides:

readRaster in class ImageReader

Throws:

IOException

reset

public void reset()

Overrides:

reset in class ImageReader

isValidWbmpType

boolean isValidWbmpType(int type)