Package org.jpedal.jbig2.decoders

Class JBIG2StreamDecoder

java.lang.Object

org.jpedal.jbig2.decoders.JBIG2StreamDecoder

public class JBIG2StreamDecoder
extends Object

JBIG2StreamDecoder class.

Field Summary

Fields

Modifier and Type	Field	Description
static final boolean	debug	Constant debug=false

Constructor Summary

Constructors

Constructor	Description
JBIG2StreamDecoder()

Method Summary

Modifier and Type	Method	Description
void	appendBitmap(JBIG2Bitmap bitmap)	appendBitmap.
void	consumeRemainingBits()	consumeRemainingBits.
void	decodeJBIG2(byte[] data)	decodeJBIG2.
JBIG2Bitmap	findBitmap(int bitmapNumber)	findBitmap.
PageInformationSegment	findPageSegement(int page)	findPageSegement.
Segment	findSegment(int segmentNumber)	findSegment.
List<Segment>	getAllSegments()	getAllSegments.
int	getNumberOfPages()	getNumberOfPages.
JBIG2Bitmap	getPageAsJBIG2Bitmap(int i)	getPageAsJBIG2Bitmap.
boolean	isNumberOfPagesKnown()	isNumberOfPagesKnown.
boolean	isRandomAccessOrganisationUsed()	isRandomAccessOrganisationUsed.
void	movePointer(int i)	movePointer.
int	readBit()	readBit.
int	readBits(int num)	readBits.
short	readByte()	readByte.
void	readByte(short[] buff)	readByte.

Methods inherited from class java.lang.Object

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

Field Details

debug

public static final boolean debug

Constant debug=false

See Also:

• Constant Field Values

Constructor Details

JBIG2StreamDecoder

public JBIG2StreamDecoder()

Method Details

movePointer

public void movePointer(int i)

movePointer.

Parameters:

i - a Integer object.

decodeJBIG2

public void decodeJBIG2(byte[] data)
                 throws IOException,
JBIG2Exception

decodeJBIG2.

Parameters:

data - an array of

invalid reference

byte

objects.

Throws:

IOException - if any.

JBIG2Exception - if any.

findPageSegement

public PageInformationSegment findPageSegement(int page)

findPageSegement.

Parameters:

page - a Integer object.

Returns:

a PageInformationSegment object.

findSegment

public Segment findSegment(int segmentNumber)

findSegment.

Parameters:

segmentNumber - a Integer object.

Returns:

a Segment object.

readBits

public int readBits(int num)

readBits.

Parameters:

num - a Integer object.

Returns:

a Integer object.

readBit

public int readBit()

readBit.

Returns:

a Integer object.

readByte

public void readByte(short[] buff)

readByte.

Parameters:

buff - an array of

invalid reference

short

objects.

consumeRemainingBits

public void consumeRemainingBits()

consumeRemainingBits.

readByte

public short readByte()
               throws IOException

readByte.

Returns:

a short.

Throws:

IOException - if any.

appendBitmap

public void appendBitmap(JBIG2Bitmap bitmap)

appendBitmap.

Parameters:

bitmap - a JBIG2Bitmap object.

findBitmap

public JBIG2Bitmap findBitmap(int bitmapNumber)

findBitmap.

Parameters:

bitmapNumber - a Integer object.

Returns:

a JBIG2Bitmap object.

getPageAsJBIG2Bitmap

public JBIG2Bitmap getPageAsJBIG2Bitmap(int i)

getPageAsJBIG2Bitmap.

Parameters:

i - a Integer object.

Returns:

a JBIG2Bitmap object.

isNumberOfPagesKnown

public boolean isNumberOfPagesKnown()

isNumberOfPagesKnown.

Returns:

a boolean.

getNumberOfPages

public int getNumberOfPages()

getNumberOfPages.

Returns:

a Integer object.

isRandomAccessOrganisationUsed

public boolean isRandomAccessOrganisationUsed()

isRandomAccessOrganisationUsed.

Returns:

a boolean.

getAllSegments

public List<Segment> getAllSegments()

getAllSegments.

Returns:

a List object.