Class PSDImageReader

java.lang.Object

javax.imageio.ImageReader

com.twelvemonkeys.imageio.ImageReaderBase

com.twelvemonkeys.imageio.plugins.psd.PSDImageReader

public final class PSDImageReader
extends ImageReaderBase

ImageReader for Adobe Photoshop Document (PSD) format.

Version:

$Id: PSDImageReader.java,v 1.0 Apr 29, 2008 4:45:52 PM haraldk Exp$

Author:

Harald Kuhr, last modified by $Author: haraldk$

See Also:

• Adobe Photoshop File Formats Specification
• Adobe Photoshop File Format Summary

Field Summary

Fields inherited from class ImageReaderBase

imageInput

Fields inherited from class ImageReader

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

Method Summary

Modifier and Type	Method	Description
int	getHeight(int imageIndex)
IIOMetadata	getImageMetadata(int imageIndex)	Default implementation that always returns null.
IIOMetadata	getImageMetadata(int imageIndex, String formatName, Set<String> nodeNames)
Iterator<ImageTypeSpecifier>	getImageTypes(int imageIndex)
int	getNumImages(boolean allowSearch)	Layer support
int	getNumThumbnails(int imageIndex)
ImageTypeSpecifier	getRawImageType(int imageIndex)
IIOMetadata	getStreamMetadata()	Metadata support
int	getThumbnailHeight(int imageIndex, int thumbnailIndex)
int	getThumbnailWidth(int imageIndex, int thumbnailIndex)
int	getWidth(int imageIndex)
static void	main(String[] pArgs)	Functional testing
BufferedImage	read(int imageIndex, ImageReadParam param)
boolean	readerSupportsThumbnails()	Thumbnail support
BufferedImage	readThumbnail(int imageIndex, int thumbnailIndex)
protected void	resetMembers()	Resets all member variables.

Methods inherited from class ImageReaderBase

assertInput, checkBounds, dispose, fakeAOI, fakeSubsampling, getDestination, hasExplicitDestination, reset, setInput, showIt

Methods inherited from class ImageReader

abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, canReadRaster, checkReadParamBandSettings, clearAbortRequest, computeRegions, getAspectRatio, getAvailableLocales, getDefaultReadParam, getFormatName, getInput, getLocale, getMinIndex, getOriginatingProvider, getSourceRegion, getStreamMetadata, 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, readRaster, 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

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

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

getRawImageType

public ImageTypeSpecifier getRawImageType(int imageIndex)
                                   throws IOException

Overrides:

getRawImageType 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

getNumImages

public int getNumImages(boolean allowSearch)
                 throws IOException

Layer support

Overrides:

getNumImages in class ImageReaderBase

Parameters:

allowSearch - ignored, unless overridden

Returns:

1, unless overridden

Throws:

IOException - never, unless overridden

getStreamMetadata

public IIOMetadata getStreamMetadata()
                              throws IOException

Metadata support

Overrides:

getStreamMetadata in class ImageReaderBase

Returns:

null, unless overridden

Throws:

IOException - never, unless overridden.

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.

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex,
 String formatName,
 Set<String> nodeNames)
                             throws IOException

Overrides:

getImageMetadata in class ImageReader

Throws:

IOException

readerSupportsThumbnails

public boolean readerSupportsThumbnails()

Thumbnail support

Overrides:

readerSupportsThumbnails in class ImageReader

getNumThumbnails

public int getNumThumbnails(int imageIndex)
                     throws IOException

Overrides:

getNumThumbnails in class ImageReader

Throws:

IOException

getThumbnailWidth

public int getThumbnailWidth(int imageIndex,
 int thumbnailIndex)
                      throws IOException

Overrides:

getThumbnailWidth in class ImageReader

Throws:

IOException

getThumbnailHeight

public int getThumbnailHeight(int imageIndex,
 int thumbnailIndex)
                       throws IOException

Overrides:

getThumbnailHeight in class ImageReader

Throws:

IOException

readThumbnail

public BufferedImage readThumbnail(int imageIndex,
 int thumbnailIndex)
                            throws IOException

Overrides:

readThumbnail in class ImageReader

Throws:

IOException

main

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

Functional testing

Throws:

IOException