com.sun.media.imageioimpl.plugins.pnm

Class PNMImageReader

java.lang.Object

javax.imageio.ImageReader

com.sun.media.imageioimpl.plugins.pnm.PNMImageReader

public class PNMImageReader
extends javax.imageio.ImageReader

This class is the Java Image IO plugin reader for PNM 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 inherited from class javax.imageio.ImageReader

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

Constructor Summary

Constructors

Constructor and Description
PNMImageReader(javax.imageio.spi.ImageReaderSpi originator) Constructs PNMImageReader from the provided ImageReaderSpi.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canReadRaster()
javax.imageio.ImageReadParam	getDefaultReadParam()
int	getHeight(int imageIndex)
javax.imageio.metadata.IIOMetadata	getImageMetadata(int imageIndex)
java.util.Iterator	getImageTypes(int imageIndex)
int	getMaxValue()
int	getNumImages(boolean allowSearch) Overrides the method defined in the superclass.
javax.imageio.metadata.IIOMetadata	getStreamMetadata()
int	getVariant()
int	getWidth(int imageIndex)
boolean	isRandomAccessEasy(int imageIndex)
java.awt.image.BufferedImage	read(int imageIndex, javax.imageio.ImageReadParam param)
void	readHeader()
java.awt.image.Raster	readRaster(int imageIndex, javax.imageio.ImageReadParam param)
void	reset()
void	setInput(java.lang.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

Constructor Detail

PNMImageReader

public PNMImageReader(javax.imageio.spi.ImageReaderSpi originator)

Constructs PNMImageReader from the provided ImageReaderSpi.

Method Detail

setInput

public void setInput(java.lang.Object input,
            boolean seekForwardOnly,
            boolean ignoreMetadata)

Overrides the method defined in the superclass.

Overrides:

setInput in class javax.imageio.ImageReader

getNumImages

public int getNumImages(boolean allowSearch)
                 throws java.io.IOException

Overrides the method defined in the superclass.

Specified by:

getNumImages in class javax.imageio.ImageReader

Throws:

java.io.IOException

getWidth

public int getWidth(int imageIndex)
             throws java.io.IOException

Specified by:

getWidth in class javax.imageio.ImageReader

Throws:

java.io.IOException

getHeight

public int getHeight(int imageIndex)
              throws java.io.IOException

Specified by:

getHeight in class javax.imageio.ImageReader

Throws:

java.io.IOException

getVariant

public int getVariant()

getMaxValue

public int getMaxValue()

readHeader

public void readHeader()
                throws java.io.IOException

Throws:

java.io.IOException

getImageTypes

public java.util.Iterator getImageTypes(int imageIndex)
                                 throws java.io.IOException

Specified by:

getImageTypes in class javax.imageio.ImageReader

Throws:

java.io.IOException

getDefaultReadParam

public javax.imageio.ImageReadParam getDefaultReadParam()

Overrides:

getDefaultReadParam in class javax.imageio.ImageReader

getImageMetadata

public javax.imageio.metadata.IIOMetadata getImageMetadata(int imageIndex)
                                                    throws java.io.IOException

Specified by:

getImageMetadata in class javax.imageio.ImageReader

Throws:

java.io.IOException

getStreamMetadata

public javax.imageio.metadata.IIOMetadata getStreamMetadata()
                                                     throws java.io.IOException

Specified by:

getStreamMetadata in class javax.imageio.ImageReader

Throws:

java.io.IOException

isRandomAccessEasy

public boolean isRandomAccessEasy(int imageIndex)
                           throws java.io.IOException

Overrides:

isRandomAccessEasy in class javax.imageio.ImageReader

Throws:

java.io.IOException

read

public java.awt.image.BufferedImage read(int imageIndex,
                                javax.imageio.ImageReadParam param)
                                  throws java.io.IOException

Specified by:

read in class javax.imageio.ImageReader

Throws:

java.io.IOException

canReadRaster

public boolean canReadRaster()

Overrides:

canReadRaster in class javax.imageio.ImageReader

readRaster

public java.awt.image.Raster readRaster(int imageIndex,
                               javax.imageio.ImageReadParam param)
                                 throws java.io.IOException

Overrides:

readRaster in class javax.imageio.ImageReader

Throws:

java.io.IOException

reset

public void reset()

Overrides:

reset in class javax.imageio.ImageReader