com.sun.media.imageioimpl.plugins.raw

Class RawImageReader

java.lang.Object

javax.imageio.ImageReader

com.sun.media.imageioimpl.plugins.raw.RawImageReader

public class RawImageReader
extends ImageReader

This class is the Java Image IO plugin reader for Raw images. It may subsample the image, clip the image, select sub-bands, and shift the decoded image origin if the proper decoding parameter are set in the provided PNMImageReadParam.

Field Summary

Fields

Modifier and Type	Field and Description
private RawImageInputStream	iis The input stream where reads from

Fields inherited from class javax.imageio.ImageReader

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	canReadRaster()
private void	checkIndex(int imageIndex)
static void	computeRegionsWrapper(ImageReadParam param, int srcWidth, int srcHeight, BufferedImage image, Rectangle srcRegion, Rectangle destRegion) Wrapper for the protected method computeRegions.
boolean	getAbortRequest() This method wraps the protected method abortRequested to allow the abortions be monitored by J2KReadState.
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	getTileHeight(int imageIndex)
int	getTileWidth(int imageIndex)
int	getWidth(int imageIndex)
boolean	isRandomAccessEasy(int imageIndex)
void	processImageProgressWrapper(float percentageDone) Wrapper for the protected method processImageProgress So it can be access from the classes which are not in ImageReader hierachy.
void	processImageUpdateWrapper(BufferedImage theImage, int minX, int minY, int width, int height, int periodX, int periodY, int[] bands) Wrapper for the protected method processImageUpdate So it can be access from the classes which are not in ImageReader hierachy.
BufferedImage	read(int imageIndex, ImageReadParam param)
RenderedImage	readAsRenderedImage(int imageIndex, ImageReadParam param)
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, hasThumbnails, isIgnoringMetadata, isImageTiled, isSeekForwardOnly, processImageComplete, processImageProgress, processImageStarted, processImageUpdate, processPassComplete, processPassStarted, processReadAborted, processSequenceComplete, processSequenceStarted, processThumbnailComplete, processThumbnailPassComplete, processThumbnailPassStarted, processThumbnailProgress, processThumbnailStarted, processThumbnailUpdate, processWarningOccurred, processWarningOccurred, read, readAll, readAll, 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 RawImageInputStream iis

The input stream where reads from

Constructor Detail

RawImageReader

public RawImageReader(ImageReaderSpi originator)

Constructs RawImageReader from the provided ImageReaderSpi.

Method Detail

computeRegionsWrapper

public static void computeRegionsWrapper(ImageReadParam param,
                                         int srcWidth,
                                         int srcHeight,
                                         BufferedImage image,
                                         Rectangle srcRegion,
                                         Rectangle destRegion)

Wrapper for the protected method computeRegions. So it can be access from the classes which are not in ImageReader hierachy.

setInput

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

Overrides the method defined in the superclass.

Overrides:

setInput in class ImageReader

Throws:

ClassCastException - If the provided input is not an instance of RawImageInputImage

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

getTileWidth

public int getTileWidth(int imageIndex)
                 throws IOException

Overrides:

getTileWidth in class ImageReader

Throws:

IOException

getTileHeight

public int getTileHeight(int imageIndex)
                  throws IOException

Overrides:

getTileHeight in class ImageReader

Throws:

IOException

checkIndex

private void checkIndex(int imageIndex)
                 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

isRandomAccessEasy

public boolean isRandomAccessEasy(int imageIndex)
                           throws IOException

Overrides:

isRandomAccessEasy in class ImageReader

Throws:

IOException

read

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

Specified by:

read in class ImageReader

Throws:

IOException

readAsRenderedImage

public RenderedImage readAsRenderedImage(int imageIndex,
                                         ImageReadParam param)
                                  throws IOException

Overrides:

readAsRenderedImage in class ImageReader

Throws:

IOException

readRaster

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

Overrides:

readRaster in class ImageReader

Throws:

IOException

canReadRaster

public boolean canReadRaster()

Overrides:

canReadRaster in class ImageReader

reset

public void reset()

Overrides:

reset in class ImageReader

processImageUpdateWrapper

public void processImageUpdateWrapper(BufferedImage theImage,
                                      int minX,
                                      int minY,
                                      int width,
                                      int height,
                                      int periodX,
                                      int periodY,
                                      int[] bands)

Wrapper for the protected method processImageUpdate So it can be access from the classes which are not in ImageReader hierachy.

processImageProgressWrapper

public void processImageProgressWrapper(float percentageDone)

Wrapper for the protected method processImageProgress So it can be access from the classes which are not in ImageReader hierachy.

getAbortRequest

public boolean getAbortRequest()

This method wraps the protected method abortRequested to allow the abortions be monitored by J2KReadState.