Class HDRImageReader

java.lang.Object

javax.imageio.ImageReader

com.twelvemonkeys.imageio.ImageReaderBase

com.twelvemonkeys.imageio.plugins.hdr.HDRImageReader

public final class HDRImageReader
extends ImageReaderBase

HDRImageReader.

Version:

$Id: HDRImageReader.java,v 1.0 27/07/15 harald.kuhr Exp$

Field Summary

Fields

Modifier and Type	Field	Description
private HDRHeader	header
private static final int	MAX_EXPANSION_RATIO	Maximum plausible decoded-to-input expansion ratio for HDR, used to bound the allocation against the input length.

Fields inherited from class ImageReaderBase

imageInput

Fields inherited from class ImageReader

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

Constructor Summary

Constructors

Constructor	Description
HDRImageReader(ImageReaderSpi provider)

Method Summary

Modifier and Type	Method	Description
boolean	canReadRaster()
ImageReadParam	getDefaultReadParam()
int	getHeight(int imageIndex)
IIOMetadata	getImageMetadata(int imageIndex)	Default implementation that always returns null.
Iterator<ImageTypeSpecifier>	getImageTypes(int imageIndex)
int	getWidth(int imageIndex)
static void	main(String[] args)
BufferedImage	read(int imageIndex, ImageReadParam param)
private void	readHeader()
Raster	readRaster(int imageIndex, ImageReadParam param)
protected void	resetMembers()	Resets all member variables.

Methods inherited from class ImageReaderBase

assertInput, checkBounds, dispose, fakeAOI, fakeSubsampling, getDestination, getNumImages, getStreamMetadata, hasExplicitDestination, reset, setInput, showIt, validateSourceSize, validateSourceSize

Methods inherited from class ImageReader

abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, checkReadParamBandSettings, clearAbortRequest, computeRegions, getAspectRatio, getAvailableLocales, 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, readThumbnail, readTile, readTileRaster, removeAllIIOReadProgressListeners, removeAllIIOReadUpdateListeners, removeAllIIOReadWarningListeners, removeIIOReadProgressListener, removeIIOReadUpdateListener, removeIIOReadWarningListener, setInput, setInput, setLocale

Methods inherited from class Object

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

Field Details

MAX_EXPANSION_RATIO

private static final int MAX_EXPANSION_RATIO

Maximum plausible decoded-to-input expansion ratio for HDR, used to bound the allocation against the input length.

See Also:

• Constant Field Values

header

private HDRHeader header

Constructor Details

HDRImageReader

HDRImageReader(ImageReaderSpi provider)

Method Details

resetMembers

protected void resetMembers()

Description copied from class: ImageReaderBase

Resets all member variables. This method is by default invoked from:

• ImageReaderBase.setInput(Object, boolean, boolean)
• ImageReaderBase.dispose()
• ImageReaderBase.reset()

Specified by:

resetMembers in class ImageReaderBase

readHeader

private void readHeader()
                 throws IOException

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

getImageTypes

public Iterator<ImageTypeSpecifier> getImageTypes(int imageIndex)
                                           throws IOException

Specified by:

getImageTypes 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

getDefaultReadParam

public ImageReadParam getDefaultReadParam()

Overrides:

getDefaultReadParam in class ImageReader

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex)
                             throws IOException

Description copied from class: ImageReaderBase

Default implementation that always returns null.

Overrides:

getImageMetadata in class ImageReaderBase

Parameters:

imageIndex - ignored, unless overridden

Returns:

null, unless overridden

Throws:

IOException - never, unless overridden.

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException