Class JPEGImageWriter

java.lang.Object

javax.imageio.ImageWriter

com.twelvemonkeys.imageio.ImageWriterBase

com.twelvemonkeys.imageio.plugins.jpeg.JPEGImageWriter

All Implemented Interfaces:

ImageTranscoder

public final class JPEGImageWriter
extends ImageWriterBase

JPEGImageWriter

Version:

$Id: JPEGImageWriter.java,v 1.0 06.02.12 16:39 haraldk Exp$

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	JPEGImageWriter.InvertedRaster	Helper class, returns sample values inverted, as CMYK values needs to be written inverted (255 - value).
private class	JPEGImageWriter.ProgressDelegator

Field Summary

Fields

Modifier and Type	Field	Description
private final ImageWriter	delegate	Our JPEG writing delegate
private final JPEGImageWriter.ProgressDelegator	progressDelegator	Listens to progress updates in the delegate, and delegates back to this instance

Fields inherited from class ImageWriterBase

imageOutput

Fields inherited from class ImageWriter

availableLocales, locale, originatingProvider, output, progressListeners, warningListeners, warningLocales

Constructor Summary

Constructors

Constructor	Description
JPEGImageWriter(JPEGImageWriterSpi provider, ImageWriter delegate)

Method Summary

Modifier and Type	Method	Description
void	abort()
boolean	canInsertEmpty(int imageIndex)
boolean	canInsertImage(int imageIndex)
boolean	canRemoveImage(int imageIndex)
boolean	canReplaceImageMetadata(int imageIndex)
boolean	canReplacePixels(int imageIndex)
boolean	canReplaceStreamMetadata()
boolean	canWriteEmpty()
boolean	canWriteRasters()
boolean	canWriteSequence()
private IIOMetadata	convertCMYKMetadata(IIOMetadata original, ImageTypeSpecifier destinationType, ImageWriteParam param)
IIOMetadata	convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param)
IIOMetadata	convertStreamMetadata(IIOMetadata inData, ImageWriteParam param)	Returns null
void	dispose()
void	endInsertEmpty()
void	endReplacePixels()
void	endWriteEmpty()
void	endWriteSequence()
Locale[]	getAvailableLocales()
IIOMetadata	getDefaultImageMetadata(ImageTypeSpecifier imageType, ImageWriteParam param)
IIOMetadata	getDefaultStreamMetadata(ImageWriteParam param)	Returns null
ImageWriteParam	getDefaultWriteParam()
Locale	getLocale()
int	getNumThumbnailsSupported(ImageTypeSpecifier imageType, ImageWriteParam param, IIOMetadata streamMetadata, IIOMetadata imageMetadata)
Object	getOutput()
Dimension[]	getPreferredThumbnailSizes(ImageTypeSpecifier imageType, ImageWriteParam param, IIOMetadata streamMetadata, IIOMetadata imageMetadata)
private static Raster	getRaster(RenderedImage image)
private void	installListeners()
private boolean	isDestinationCMYK(IIOImage image, ImageWriteParam param)
void	prepareInsertEmpty(int imageIndex, ImageTypeSpecifier imageType, int width, int height, IIOMetadata imageMetadata, List<? extends BufferedImage> thumbnails, ImageWriteParam param)
void	prepareReplacePixels(int imageIndex, Rectangle region)
void	prepareWriteEmpty(IIOMetadata streamMetadata, ImageTypeSpecifier imageType, int width, int height, IIOMetadata imageMetadata, List<? extends BufferedImage> thumbnails, ImageWriteParam param)
void	prepareWriteSequence(IIOMetadata streamMetadata)
void	removeImage(int imageIndex)
void	replaceImageMetadata(int imageIndex, IIOMetadata imageMetadata)
void	replacePixels(Raster raster, ImageWriteParam param)
void	replacePixels(RenderedImage image, ImageWriteParam param)
void	replaceStreamMetadata(IIOMetadata streamMetadata)
void	reset()
protected void	resetMembers()
void	setLocale(Locale locale)
void	setOutput(Object output)
void	write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param)
private void	writeCMYK(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param)
void	writeInsert(int imageIndex, IIOImage image, ImageWriteParam param)
void	writeToSequence(IIOImage image, ImageWriteParam param)

Methods inherited from class ImageWriterBase

assertOutput, fakeAOI, fakeSubsampling, getFormatName, getSourceRegion

Methods inherited from class ImageWriter

abortRequested, addIIOWriteProgressListener, addIIOWriteWarningListener, clearAbortRequest, getOriginatingProvider, processImageComplete, processImageProgress, processImageStarted, processThumbnailComplete, processThumbnailProgress, processThumbnailStarted, processWarningOccurred, processWarningOccurred, processWriteAborted, removeAllIIOWriteProgressListeners, removeAllIIOWriteWarningListeners, removeIIOWriteProgressListener, removeIIOWriteWarningListener, write, write

Methods inherited from class Object

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

Field Details

delegate

private final ImageWriter delegate

Our JPEG writing delegate

progressDelegator

private final JPEGImageWriter.ProgressDelegator progressDelegator

Listens to progress updates in the delegate, and delegates back to this instance

Constructor Details

JPEGImageWriter

public JPEGImageWriter(JPEGImageWriterSpi provider,
 ImageWriter delegate)

Method Details

installListeners

private void installListeners()

resetMembers

protected void resetMembers()

Overrides:

resetMembers in class ImageWriterBase

setOutput

public void setOutput(Object output)

Overrides:

setOutput in class ImageWriterBase

getOutput

public Object getOutput()

Overrides:

getOutput in class ImageWriter

getAvailableLocales

public Locale[] getAvailableLocales()

Overrides:

getAvailableLocales in class ImageWriter

setLocale

public void setLocale(Locale locale)

Overrides:

setLocale in class ImageWriter

getLocale

public Locale getLocale()

Overrides:

getLocale in class ImageWriter

getDefaultWriteParam

public ImageWriteParam getDefaultWriteParam()

Overrides:

getDefaultWriteParam in class ImageWriter

getDefaultStreamMetadata

public IIOMetadata getDefaultStreamMetadata(ImageWriteParam param)

Description copied from class: ImageWriterBase

Returns null

Overrides:

getDefaultStreamMetadata in class ImageWriterBase

Parameters:

param - ignored.

Returns:

null.

getDefaultImageMetadata

public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType,
 ImageWriteParam param)

Specified by:

getDefaultImageMetadata in class ImageWriter

convertStreamMetadata

public IIOMetadata convertStreamMetadata(IIOMetadata inData,
 ImageWriteParam param)

Description copied from class: ImageWriterBase

Returns null

Specified by:

convertStreamMetadata in interface ImageTranscoder

Overrides:

convertStreamMetadata in class ImageWriterBase

Parameters:

inData - ignored.

param - ignored.

Returns:

null.

convertImageMetadata

public IIOMetadata convertImageMetadata(IIOMetadata inData,
 ImageTypeSpecifier imageType,
 ImageWriteParam param)

Specified by:

convertImageMetadata in interface ImageTranscoder

Specified by:

convertImageMetadata in class ImageWriter

getNumThumbnailsSupported

public int getNumThumbnailsSupported(ImageTypeSpecifier imageType,
 ImageWriteParam param,
 IIOMetadata streamMetadata,
 IIOMetadata imageMetadata)

Overrides:

getNumThumbnailsSupported in class ImageWriter

getPreferredThumbnailSizes

public Dimension[] getPreferredThumbnailSizes(ImageTypeSpecifier imageType,
 ImageWriteParam param,
 IIOMetadata streamMetadata,
 IIOMetadata imageMetadata)

Overrides:

getPreferredThumbnailSizes in class ImageWriter

canWriteRasters

public boolean canWriteRasters()

Overrides:

canWriteRasters in class ImageWriter

write

public void write(IIOMetadata streamMetadata,
 IIOImage image,
 ImageWriteParam param)
           throws IOException

Specified by:

write in class ImageWriter

Throws:

IOException

isDestinationCMYK

private boolean isDestinationCMYK(IIOImage image,
 ImageWriteParam param)

writeCMYK

private void writeCMYK(IIOMetadata streamMetadata,
 IIOImage image,
 ImageWriteParam param)
                throws IOException

Throws:

IOException

convertCMYKMetadata

private IIOMetadata convertCMYKMetadata(IIOMetadata original,
 ImageTypeSpecifier destinationType,
 ImageWriteParam param)
                                 throws IIOInvalidTreeException

Throws:

IIOInvalidTreeException

getRaster

private static Raster getRaster(RenderedImage image)

canWriteSequence

public boolean canWriteSequence()

Overrides:

canWriteSequence in class ImageWriter

prepareWriteSequence

public void prepareWriteSequence(IIOMetadata streamMetadata)
                          throws IOException

Overrides:

prepareWriteSequence in class ImageWriter

Throws:

IOException

writeToSequence

public void writeToSequence(IIOImage image,
 ImageWriteParam param)
                     throws IOException

Overrides:

writeToSequence in class ImageWriter

Throws:

IOException

endWriteSequence

public void endWriteSequence()
                      throws IOException

Overrides:

endWriteSequence in class ImageWriter

Throws:

IOException

canReplaceStreamMetadata

public boolean canReplaceStreamMetadata()
                                 throws IOException

Overrides:

canReplaceStreamMetadata in class ImageWriter

Throws:

IOException

replaceStreamMetadata

public void replaceStreamMetadata(IIOMetadata streamMetadata)
                           throws IOException

Overrides:

replaceStreamMetadata in class ImageWriter

Throws:

IOException

canReplaceImageMetadata

public boolean canReplaceImageMetadata(int imageIndex)
                                throws IOException

Overrides:

canReplaceImageMetadata in class ImageWriter

Throws:

IOException

replaceImageMetadata

public void replaceImageMetadata(int imageIndex,
 IIOMetadata imageMetadata)
                          throws IOException

Overrides:

replaceImageMetadata in class ImageWriter

Throws:

IOException

canInsertImage

public boolean canInsertImage(int imageIndex)
                       throws IOException

Overrides:

canInsertImage in class ImageWriter

Throws:

IOException

writeInsert

public void writeInsert(int imageIndex,
 IIOImage image,
 ImageWriteParam param)
                 throws IOException

Overrides:

writeInsert in class ImageWriter

Throws:

IOException

canRemoveImage

public boolean canRemoveImage(int imageIndex)
                       throws IOException

Overrides:

canRemoveImage in class ImageWriter

Throws:

IOException

removeImage

public void removeImage(int imageIndex)
                 throws IOException

Overrides:

removeImage in class ImageWriter

Throws:

IOException

canWriteEmpty

public boolean canWriteEmpty()
                      throws IOException

Overrides:

canWriteEmpty in class ImageWriter

Throws:

IOException

prepareWriteEmpty

public void prepareWriteEmpty(IIOMetadata streamMetadata,
 ImageTypeSpecifier imageType,
 int width,
 int height,
 IIOMetadata imageMetadata,
 List<? extends BufferedImage> thumbnails,
 ImageWriteParam param)
                       throws IOException

Overrides:

prepareWriteEmpty in class ImageWriter

Throws:

IOException

endWriteEmpty

public void endWriteEmpty()
                   throws IOException

Overrides:

endWriteEmpty in class ImageWriter

Throws:

IOException

canInsertEmpty

public boolean canInsertEmpty(int imageIndex)
                       throws IOException

Overrides:

canInsertEmpty in class ImageWriter

Throws:

IOException

prepareInsertEmpty

public void prepareInsertEmpty(int imageIndex,
 ImageTypeSpecifier imageType,
 int width,
 int height,
 IIOMetadata imageMetadata,
 List<? extends BufferedImage> thumbnails,
 ImageWriteParam param)
                        throws IOException

Overrides:

prepareInsertEmpty in class ImageWriter

Throws:

IOException

endInsertEmpty

public void endInsertEmpty()
                    throws IOException

Overrides:

endInsertEmpty in class ImageWriter

Throws:

IOException

canReplacePixels

public boolean canReplacePixels(int imageIndex)
                         throws IOException

Overrides:

canReplacePixels in class ImageWriter

Throws:

IOException

prepareReplacePixels

public void prepareReplacePixels(int imageIndex,
 Rectangle region)
                          throws IOException

Overrides:

prepareReplacePixels in class ImageWriter

Throws:

IOException

replacePixels

public void replacePixels(RenderedImage image,
 ImageWriteParam param)
                   throws IOException

Overrides:

replacePixels in class ImageWriter

Throws:

IOException

replacePixels

public void replacePixels(Raster raster,
 ImageWriteParam param)
                   throws IOException

Overrides:

replacePixels in class ImageWriter

Throws:

IOException

endReplacePixels

public void endReplacePixels()
                      throws IOException

Overrides:

endReplacePixels in class ImageWriter

Throws:

IOException

abort

public void abort()

Overrides:

abort in class ImageWriter

reset

public void reset()

Overrides:

reset in class ImageWriterBase

dispose

public void dispose()

Overrides:

dispose in class ImageWriterBase