Package org.jpedal.jbig2.image

Class JBIG2Bitmap

java.lang.Object

org.jpedal.jbig2.image.JBIG2Bitmap

public final class JBIG2Bitmap
extends Object

JBIG2Bitmap class.

Field Summary

Fields

Modifier and Type	Field	Description
org.jpedal.jbig2.image.JBIG2Bitmap.FastBitSet	data

Constructor Summary

Constructors

Constructor	Description
JBIG2Bitmap(int width, int height, ArithmeticDecoder arithmeticDecoder, HuffmanDecoder huffmanDecoder, MMRDecoder mmrDecoder)	Constructor for JBIG2Bitmap.

Method Summary

Modifier and Type	Method	Description
void	clear(int defPixel)	clear.
void	combine(JBIG2Bitmap bitmap, int x, int y, long combOp)	combine.
void	expand(int newHeight, int defaultPixel)	expand.
BufferedImage	getBufferedImage()	getBufferedImage.
byte[]	getData(boolean switchPixelColor)	Getter for the field data.
int	getPixel(int col, int row)	getPixel.
JBIG2Bitmap	getSlice(int x, int y, int width, int height)	getSlice.
void	readBitmap(boolean useMMR, int template, boolean typicalPredictionGenericDecodingOn, boolean useSkip, JBIG2Bitmap skipBitmap, short[] adaptiveTemplateX, short[] adaptiveTemplateY, int mmrDataLength)	readBitmap.
void	readGenericRefinementRegion(int template, boolean typicalPredictionGenericRefinementOn, JBIG2Bitmap referredToBitmap, int referenceDX, int referenceDY, short[] adaptiveTemplateX, short[] adaptiveTemplateY)	readGenericRefinementRegion.
void	readTextRegion(boolean huffman, boolean symbolRefine, int noOfSymbolInstances, int logStrips, int noOfSymbols, int[][] symbolCodeTable, int symbolCodeLength, JBIG2Bitmap[] symbols, int defaultPixel, int combinationOperator, boolean transposed, int referenceCorner, int sOffset, int[][] huffmanFSTable, int[][] huffmanDSTable, int[][] huffmanDTTable, int[][] huffmanRDWTable, int[][] huffmanRDHTable, int[][] huffmanRDXTable, int[][] huffmanRDYTable, int[][] huffmanRSizeTable, int template, short[] symbolRegionAdaptiveTemplateX, short[] symbolRegionAdaptiveTemplateY, JBIG2StreamDecoder decoder)	readTextRegion.
void	setPixel(int col, int row, int value)	setPixel.

Methods inherited from class java.lang.Object

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

Field Details

data

public org.jpedal.jbig2.image.JBIG2Bitmap.FastBitSet data

Constructor Details

JBIG2Bitmap

public JBIG2Bitmap(int width,
 int height,
 ArithmeticDecoder arithmeticDecoder,
 HuffmanDecoder huffmanDecoder,
 MMRDecoder mmrDecoder)

Constructor for JBIG2Bitmap.

Parameters:

width - a Integer object.

height - a Integer object.

arithmeticDecoder - a ArithmeticDecoder object.

huffmanDecoder - a HuffmanDecoder object.

mmrDecoder - a MMRDecoder object.

Method Details

readBitmap

public void readBitmap(boolean useMMR,
 int template,
 boolean typicalPredictionGenericDecodingOn,
 boolean useSkip,
 JBIG2Bitmap skipBitmap,
 short[] adaptiveTemplateX,
 short[] adaptiveTemplateY,
 int mmrDataLength)
                throws IOException,
JBIG2Exception

readBitmap.

Parameters:

useMMR - a boolean.

template - a Integer object.

typicalPredictionGenericDecodingOn - a boolean.

useSkip - a boolean.

skipBitmap - a JBIG2Bitmap object.

adaptiveTemplateX - an array of

invalid reference

short

objects.

adaptiveTemplateY - an array of

invalid reference

short

objects.

mmrDataLength - a Integer object.

Throws:

IOException - if any.

JBIG2Exception - if any.

readGenericRefinementRegion

public void readGenericRefinementRegion(int template,
 boolean typicalPredictionGenericRefinementOn,
 JBIG2Bitmap referredToBitmap,
 int referenceDX,
 int referenceDY,
 short[] adaptiveTemplateX,
 short[] adaptiveTemplateY)
                                 throws IOException,
JBIG2Exception

readGenericRefinementRegion.

Parameters:

template - a Integer object.

typicalPredictionGenericRefinementOn - a boolean.

referredToBitmap - a JBIG2Bitmap object.

referenceDX - a Integer object.

referenceDY - a Integer object.

adaptiveTemplateX - an array of

invalid reference

short

objects.

adaptiveTemplateY - an array of

invalid reference

short

objects.

Throws:

IOException - if any.

JBIG2Exception - if any.

readTextRegion

public void readTextRegion(boolean huffman,
 boolean symbolRefine,
 int noOfSymbolInstances,
 int logStrips,
 int noOfSymbols,
 int[][] symbolCodeTable,
 int symbolCodeLength,
 JBIG2Bitmap[] symbols,
 int defaultPixel,
 int combinationOperator,
 boolean transposed,
 int referenceCorner,
 int sOffset,
 int[][] huffmanFSTable,
 int[][] huffmanDSTable,
 int[][] huffmanDTTable,
 int[][] huffmanRDWTable,
 int[][] huffmanRDHTable,
 int[][] huffmanRDXTable,
 int[][] huffmanRDYTable,
 int[][] huffmanRSizeTable,
 int template,
 short[] symbolRegionAdaptiveTemplateX,
 short[] symbolRegionAdaptiveTemplateY,
 JBIG2StreamDecoder decoder)
                    throws JBIG2Exception,
IOException

readTextRegion.

Parameters:

huffman - a boolean.

symbolRefine - a boolean.

noOfSymbolInstances - a Integer object.

logStrips - a Integer object.

noOfSymbols - a Integer object.

symbolCodeTable - an array of

invalid reference

int

objects.

symbolCodeLength - a Integer object.

symbols - an array of JBIG2Bitmap objects.

defaultPixel - a Integer object.

combinationOperator - a Integer object.

transposed - a boolean.

referenceCorner - a Integer object.

sOffset - a Integer object.

huffmanFSTable - an array of

invalid reference

int

objects.

huffmanDSTable - an array of

invalid reference

int

objects.

huffmanDTTable - an array of

invalid reference

int

objects.

huffmanRDWTable - an array of

invalid reference

int

objects.

huffmanRDHTable - an array of

invalid reference

int

objects.

huffmanRDXTable - an array of

invalid reference

int

objects.

huffmanRDYTable - an array of

invalid reference

int

objects.

huffmanRSizeTable - an array of

invalid reference

int

objects.

template - a Integer object.

symbolRegionAdaptiveTemplateX - an array of

invalid reference

short

objects.

symbolRegionAdaptiveTemplateY - an array of

invalid reference

short

objects.

decoder - a JBIG2StreamDecoder object.

Throws:

JBIG2Exception - if any.

IOException - if any.

clear

public void clear(int defPixel)

clear.

Parameters:

defPixel - a Integer object.

combine

public void combine(JBIG2Bitmap bitmap,
 int x,
 int y,
 long combOp)

combine.

Parameters:

bitmap - a JBIG2Bitmap object.

x - a Integer object.

y - a Integer object.

combOp - a long.

getData

public byte[] getData(boolean switchPixelColor)

Getter for the field data.

Parameters:

switchPixelColor - a boolean.

Returns:

an array of

invalid reference

byte

objects.

getSlice

public JBIG2Bitmap getSlice(int x,
 int y,
 int width,
 int height)

getSlice.

Parameters:

x - a Integer object.

y - a Integer object.

width - a Integer object.

height - a Integer object.

Returns:

a JBIG2Bitmap object.

setPixel

public void setPixel(int col,
 int row,
 int value)

setPixel.

Parameters:

col - a Integer object.

row - a Integer object.

value - a Integer object.

getPixel

public int getPixel(int col,
 int row)

getPixel.

Parameters:

col - a Integer object.

row - a Integer object.

Returns:

a Integer object.

expand

public void expand(int newHeight,
 int defaultPixel)

expand.

Parameters:

newHeight - a Integer object.

defaultPixel - a Integer object.

getBufferedImage

public BufferedImage getBufferedImage()

getBufferedImage.

Returns:

a BufferedImage object.