ch.randelshofer.media.pgm
Class PGMImageReader

java.lang.Object
  javax.imageio.ImageReader
      ch.randelshofer.media.pgm.PGMImageReader

public class PGMImageReader
extends javax.imageio.ImageReader

Reads an image in the Netpbm grayscale image format (PGM).

See: PGM Format Specification.

Version:

1.1 2010-06-24 Skip comments in header.
1.0 2009-12-14 Created.

Author:

Werner Randelshofer

Field Summary

Fields inherited from class javax.imageio.ImageReader

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

Constructor Summary

PGMImageReader(PGMImageReaderSpi originatingProvider)

Method Summary

int	getHeight(int imageIndex)
javax.imageio.metadata.IIOMetadata	getImageMetadata(int imageIndex)
java.util.Iterator<javax.imageio.ImageTypeSpecifier>	getImageTypes(int imageIndex)
int	getNumImages(boolean allowSearch)
javax.imageio.metadata.IIOMetadata	getStreamMetadata()
int	getWidth(int imageIndex)
java.awt.image.BufferedImage	read(int imageIndex, javax.imageio.ImageReadParam param)

Methods inherited from class javax.imageio.ImageReader

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PGMImageReader

public PGMImageReader(PGMImageReaderSpi originatingProvider)

Method Detail

getNumImages

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

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

getImageTypes

public java.util.Iterator<javax.imageio.ImageTypeSpecifier> getImageTypes(int imageIndex)
                                                                   throws java.io.IOException

Specified by:

getImageTypes 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

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

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