Class TIFFJPEGCompressor

java.lang.Object

com.github.jaiimageio.plugins.tiff.TIFFCompressor

com.github.jaiimageio.impl.plugins.tiff.TIFFBaseJPEGCompressor

com.github.jaiimageio.impl.plugins.tiff.TIFFJPEGCompressor

public class TIFFJPEGCompressor
extends TIFFBaseJPEGCompressor

Compressor for encoding compression type 7, TTN2/Adobe JPEG-in-TIFF.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	TIFFJPEGCompressor.JPEGSPIFilter	A filter which identifies the ImageReaderSpi of a JPEG reader which supports JPEG native stream metadata.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final int	CHROMA_SUBSAMPLING
private static final boolean	DEBUG

Fields inherited from class TIFFBaseJPEGCompressor

IMAGE_METADATA_NAME, JPEGParam, JPEGStreamMetadata, JPEGWriter, STREAM_METADATA_NAME, writeAbbreviatedStream

Fields inherited from class TIFFCompressor

compressionTagValue, compressionType, isCompressionLossless, metadata, stream, writer

Constructor Summary

Constructors

Constructor	Description
TIFFJPEGCompressor(ImageWriteParam param)

Method Summary

Modifier and Type	Method	Description
private static ImageReader	getJPEGTablesReader()	Retrieves a JPEG reader which supports native JPEG stream metadata.
void	setMetadata(IIOMetadata metadata)	Sets the value of the metadata field.

Methods inherited from class TIFFBaseJPEGCompressor

encode, finalize, initJPEGWriter

Methods inherited from class TIFFCompressor

dispose, getCompressionTagValue, getCompressionType, getMetadata, getStream, getWriter, isCompressionLossless, setStream, setWriter

Methods inherited from class Object

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

Field Details

DEBUG

private static final boolean DEBUG

See Also:

• Constant Field Values

CHROMA_SUBSAMPLING

static final int CHROMA_SUBSAMPLING

See Also:

• Constant Field Values

Constructor Details

TIFFJPEGCompressor

public TIFFJPEGCompressor(ImageWriteParam param)

Method Details

getJPEGTablesReader

private static ImageReader getJPEGTablesReader()

Retrieves a JPEG reader which supports native JPEG stream metadata.

setMetadata

public void setMetadata(IIOMetadata metadata)

Sets the value of the metadata field.

The implementation in this class also adds the TIFF fields JPEGTables, YCbCrSubSampling, YCbCrPositioning, and ReferenceBlackWhite superseding any prior settings of those fields.

Overrides:

setMetadata in class TIFFCompressor

Parameters:

metadata - the IIOMetadata object for the image being written.

See Also:

• TIFFCompressor.getMetadata()