Package org.libtiff.jai.codecimpl

Class XTIFFFaxTileCodec

java.lang.Object

org.libtiff.jai.codec.XTIFFTileCodecImpl

org.libtiff.jai.codecimpl.XTIFFFaxTileCodec

All Implemented Interfaces:

XTIFFTileCodec

public class XTIFFFaxTileCodec
extends XTIFFTileCodecImpl

This codec encapsulates all the logic for the TIFF "lzw" decoding codec algorithm.

Field Summary

Fields inherited from class org.libtiff.jai.codec.XTIFFTileCodecImpl

_bdata, _sdata, bitsPerSample, bpixvals, buffer, colormap, compression, dataType, decodePaletteAsShorts, decodeParam, directory, encodeParam, image, image_type, isTiled, length, minX, minY, numBands, sampleModel, sampleSize, spixvals, tileLength, tileWidth, unitsInThisTile, width

Constructor Summary

Constructors

Constructor	Description
XTIFFFaxTileCodec()	Public constructor

Method Summary

Modifier and Type	Method	Description
boolean	canEncode()	Indicate whether this codec can encode data.
XTIFFTileCodec	create()	Creation method
void	decodeTilePixels(byte[] input, Rectangle newRect, byte[] bdata)	Decode a rectangle of pixels
void	decodeTilePixels(byte[] input, Rectangle newRect, short[] sdata)	Decode a rectangle of pixels
void	initializeDecoding()	The initialization method particular to Fax decoding.
void	register()	Registration method

Methods inherited from class org.libtiff.jai.codec.XTIFFTileCodecImpl

create, create, decode, decodeColor, decodeColor, decodeColor, decodeColor, decodeTilePixels, encode, encodeTilePixels, getCompressedTileSize, getCompression, getLongField, getTilePixels, initialize, initialize, initialize, initializeEncoding, register, setTilePixels, setupBufferForDecoding, setupBufferForEncoding, setupSourceImage, unpackShorts

Methods inherited from class java.lang.Object

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

Constructor Detail

XTIFFFaxTileCodec

public XTIFFFaxTileCodec()

Public constructor

Method Detail

create

public XTIFFTileCodec create()

Creation method

Specified by:

create in class XTIFFTileCodecImpl

canEncode

public boolean canEncode()

Description copied from class: XTIFFTileCodecImpl

Indicate whether this codec can encode data. Override to return true only if your codec implments encoding.

Overrides:

canEncode in class XTIFFTileCodecImpl

register

public void register()

Registration method

Specified by:

register in interface XTIFFTileCodec

Specified by:

register in class XTIFFTileCodecImpl

See Also:

XTIFFDirectory

initializeDecoding

public void initializeDecoding()

The initialization method particular to Fax decoding.

Overrides:

initializeDecoding in class XTIFFTileCodecImpl

decodeTilePixels

public void decodeTilePixels(byte[] input,
                             Rectangle newRect,
                             byte[] bdata)

Decode a rectangle of pixels

Specified by:

decodeTilePixels in class XTIFFTileCodecImpl

Parameters:

input - the byte array of compressed input data

newRect - the rectangular shape of the target pixels

bdata - the target decompressed pixels.

decodeTilePixels

public void decodeTilePixels(byte[] input,
                             Rectangle newRect,
                             short[] sdata)

Decode a rectangle of pixels

Specified by:

decodeTilePixels in class XTIFFTileCodecImpl

Parameters:

input - the byte array of compressed input data

newRect - the rectangular shape of the target pixels

sdata - the target decompressed pixels.