com.lizardtech.djvu
Class IWPixmap

java.lang.Object
  com.lizardtech.djvu.DjVuObject
      com.lizardtech.djvu.IWPixmap

All Implemented Interfaces:

Codec, DjVuInterface

public class IWPixmap
extends DjVuObject
implements Codec

This class represents structured wavelette data.

Field Summary

protected com.lizardtech.djvu.IWCodec	cbcodec DOCUMENT ME!
protected com.lizardtech.djvu.IWMap	cbmap DOCUMENT ME!
protected int	cbytes DOCUMENT ME!
protected int	crcb_delay DOCUMENT ME!
protected boolean	crcb_half DOCUMENT ME!
static int	CRCBfull DOCUMENT ME!
static int	CRCBhalf DOCUMENT ME!
static int	CRCBMode DOCUMENT ME!
static int	CRCBnone DOCUMENT ME!
static int	CRCBnormal DOCUMENT ME!
protected com.lizardtech.djvu.IWCodec	crcodec DOCUMENT ME!
protected com.lizardtech.djvu.IWMap	crmap DOCUMENT ME!
protected int	cserial DOCUMENT ME!
protected int	cslice DOCUMENT ME!
static float[][]	rgb_to_ycc DOCUMENT ME!
protected com.lizardtech.djvu.IWCodec	ycodec DOCUMENT ME!
protected com.lizardtech.djvu.IWMap	ymap DOCUMENT ME!

Fields inherited from class com.lizardtech.djvu.DjVuObject

hasReferences

Constructor Summary

IWPixmap()
Creates a new IWPixmap object.

Method Summary

void	close_codec() DOCUMENT ME!
static IWPixmap	createIWPixmap(DjVuInterface ref) Creates an instance of IWPixmap with the options interherited from the specified reference.
void	decode_iff(IFFInputStream iff, int maxchunks) DOCUMENT ME!
void	decode(DataPool pool) DOCUMENT ME!
int	getHeight() DOCUMENT ME!
GPixmap	getPixmap() DOCUMENT ME!
GPixmap	getPixmap(int subsample, GRect rect, GPixmap retval) Create a pixmap with the specified subsample rate and bounds.
int	getWidth() DOCUMENT ME!
boolean	isImageData() Query if this is image data.
int	setCrcbDelay(int value) Set the CRCB Delay

Methods inherited from class com.lizardtech.djvu.DjVuObject

checkLockTime, create, create, createSoftReference, createWeakReference, getDjVuOptions, getFromReference, invoke, setDjVuOptions

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.lizardtech.djvu.DjVuInterface

getDjVuOptions, setDjVuOptions

Field Detail

CRCBfull

public static final int CRCBfull

DOCUMENT ME!

See Also:

Constant Field Values

CRCBhalf

public static final int CRCBhalf

DOCUMENT ME!

See Also:

Constant Field Values

CRCBMode

public static final int CRCBMode

DOCUMENT ME!

See Also:

Constant Field Values

CRCBnone

public static final int CRCBnone

DOCUMENT ME!

See Also:

Constant Field Values

CRCBnormal

public static final int CRCBnormal

DOCUMENT ME!

See Also:

Constant Field Values

rgb_to_ycc

public static final float[][] rgb_to_ycc

DOCUMENT ME!

cbcodec

protected com.lizardtech.djvu.IWCodec cbcodec

DOCUMENT ME!

crcodec

protected com.lizardtech.djvu.IWCodec crcodec

DOCUMENT ME!

ycodec

protected com.lizardtech.djvu.IWCodec ycodec

DOCUMENT ME!

cbmap

protected com.lizardtech.djvu.IWMap cbmap

DOCUMENT ME!

crmap

protected com.lizardtech.djvu.IWMap crmap

DOCUMENT ME!

ymap

protected com.lizardtech.djvu.IWMap ymap

DOCUMENT ME!

cbytes

protected int cbytes

DOCUMENT ME!

crcb_delay

protected int crcb_delay

DOCUMENT ME!

crcb_half

protected boolean crcb_half

DOCUMENT ME!

cserial

protected int cserial

DOCUMENT ME!

cslice

protected int cslice

DOCUMENT ME!

Constructor Detail

IWPixmap

public IWPixmap()

Creates a new IWPixmap object.

Method Detail

isImageData

public boolean isImageData()

Query if this is image data.

Specified by:

isImageData in interface Codec

Returns:

true

createIWPixmap

public static IWPixmap createIWPixmap(DjVuInterface ref)

Creates an instance of IWPixmap with the options interherited from the specified reference.

Parameters:

ref - Object to interherit DjVuOptions from.

Returns:

a new instance of IWPixmap.

close_codec

public void close_codec()

DOCUMENT ME!

decode

public void decode(DataPool pool)
            throws java.io.IOException

DOCUMENT ME!

Specified by:

decode in interface Codec

Parameters:

pool - DOCUMENT ME!

Throws:

java.io.IOException - DOCUMENT ME!

decode_iff

public void decode_iff(IFFInputStream iff,
                       int maxchunks)
                throws java.io.IOException

DOCUMENT ME!

Parameters:

iff - DOCUMENT ME!

maxchunks - DOCUMENT ME!

Throws:

java.io.IOException - DOCUMENT ME!

getHeight

public int getHeight()

DOCUMENT ME!

Returns:

DOCUMENT ME!

getPixmap

public GPixmap getPixmap()

DOCUMENT ME!

Returns:

DOCUMENT ME!

getPixmap

public GPixmap getPixmap(int subsample,
                         GRect rect,
                         GPixmap retval)

Create a pixmap with the specified subsample rate and bounds.

Parameters:

subsample - rate at which to subsample

rect - Bounding box of the desired pixmap.

retval - An old pixmap to try updating, or null.

Returns:

DOCUMENT ME!

getWidth

public int getWidth()

DOCUMENT ME!

Returns:

DOCUMENT ME!

setCrcbDelay

public int setCrcbDelay(int value)

Set the CRCB Delay

Parameters:

value - the new CRCB delay value.

Returns:

the CRCB delay value