Modifier and Type	Class and Description
public abstract static class	GenericRefinementRegion.Template
private static class	GenericRefinementRegion.Template0
private static class	GenericRefinementRegion.Template1

Field Summary

Modifier and Type	Field and Description
private ArithmeticDecoder	arithDecoder
private CX	cx
private boolean[]	grAtOverride
private short[]	grAtX Generic refinement region segment AT flags, 7.4.7.3
private short[]	grAtY
private boolean	isTPGROn Generic refinement region segment flags, 7.4.7.2
private boolean	override If true, AT pixels are not on their nominal location and have to be overridden.
private Bitmap	referenceBitmap Variables for decoding
private int	referenceDX
private int	referenceDY
private Bitmap	regionBitmap Decoded data as pixel values (use row stride/width to wrap line)
private RegionSegmentInformation	regionInfo Region segment information flags, 7.4.1
private SegmentHeader	segmentHeader
private SubInputStream	subInputStream
private static final GenericRefinementRegion.Template	T0
private static final GenericRefinementRegion.Template	T1
private GenericRefinementRegion.Template	template
private short	templateID

Constructor Summary

Access	Constructor and Description
public	GenericRefinementRegion()
public	GenericRefinementRegion(final SubInputStream subInputStream)
public	GenericRefinementRegion(final SubInputStream subInputStream, final SegmentHeader segmentHeader)

Method Summary

Modifier and Type	Method and Description
private void	decodeOptimized(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, final int lineOffset)
private int	decodeSLTP()
private void	decodeTemplate(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, final int lineOffset, int byteIndex, final int currentLine, int refByteIndex, GenericRefinementRegion.Template templateFormation)
private void	decodeTypicalPredictedLine(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride)
private void	decodeTypicalPredictedLineTemplate0(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, int byteIndex, final int currentLine, int refByteIndex)
private void	decodeTypicalPredictedLineTemplate1(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, int byteIndex, final int currentLine, int refByteIndex)
private Bitmap	getGrReference()
private byte	getPixel(final Bitmap b, final int x, final int y)
public Bitmap	getRegionBitmap() Implements org.apache.pdfbox.jbig2.Region.getRegionBitmap. Decode using a template and arithmetic coding, as described in 6.3.5.6
public RegionSegmentInformation	getRegionInfo() Implements org.apache.pdfbox.jbig2.Region.getRegionInfo. Simply returns the `RegionSegmentInformation`.
public void	init(final SegmentHeader - The segments' header (to make referred-to segments available in data part). header, final SubInputStream - Wrapped `ImageInputStream` into `SubInputStream`. sis) Implements org.apache.pdfbox.jbig2.SegmentData.init. Parse the stream and read information of header.
private int	overrideAtTemplate0(int context, final int x, final int y, final int result, final int minorX)
private void	parseHeader() Parses the flags described in JBIG2 ISO standard: 7.4.7.2 Generic refinement region segment flags 7.4.7.3 Generic refinement refion segment AT flags
private void	readAtPixels()
protected void	setParameters(final CX cx, final ArithmeticDecoder arithmeticDecoder, final short grTemplate, final int regionWidth, final int regionHeight, final Bitmap grReference, final int grReferenceDX, final int grReferenceDY, final boolean isTPGRon, final short[] grAtX, final short[] grAtY)
private void	updateOverride()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

arithDecoder	back to summary
private ArithmeticDecoder arithDecoder

cx	back to summary
private CX cx

grAtOverride	back to summary
private boolean[] grAtOverride

grAtX	back to summary
private short[] grAtX Generic refinement region segment AT flags, 7.4.7.3

grAtY	back to summary
private short[] grAtY

isTPGROn	back to summary
private boolean isTPGROn Generic refinement region segment flags, 7.4.7.2

override	back to summary
private boolean override If true, AT pixels are not on their nominal location and have to be overridden.

referenceBitmap	back to summary
private Bitmap referenceBitmap Variables for decoding

referenceDX	back to summary
private int referenceDX

referenceDY	back to summary
private int referenceDY

regionBitmap	back to summary
private Bitmap regionBitmap Decoded data as pixel values (use row stride/width to wrap line)

regionInfo	back to summary
private RegionSegmentInformation regionInfo Region segment information flags, 7.4.1

segmentHeader	back to summary
private SegmentHeader segmentHeader

subInputStream	back to summary
private SubInputStream subInputStream

T0	back to summary
private static final GenericRefinementRegion.Template T0

T1	back to summary
private static final GenericRefinementRegion.Template T1

template	back to summary
private GenericRefinementRegion.Template template

templateID	back to summary
private short templateID

Constructor Detail

GenericRefinementRegion	back to summary
public GenericRefinementRegion()

GenericRefinementRegion	back to summary
public GenericRefinementRegion(final SubInputStream subInputStream)

GenericRefinementRegion	back to summary
public GenericRefinementRegion(final SubInputStream subInputStream, final SegmentHeader segmentHeader)

Method Detail

decodeOptimized	back to summary
private void decodeOptimized(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, final int lineOffset) throws IOException

decodeSLTP	back to summary
private int decodeSLTP() throws IOException

decodeTemplate	back to summary
private void decodeTemplate(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, final int lineOffset, int byteIndex, final int currentLine, int refByteIndex, GenericRefinementRegion.Template templateFormation) throws IOException

decodeTypicalPredictedLine	back to summary
private void decodeTypicalPredictedLine(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride) throws IOException

decodeTypicalPredictedLineTemplate0	back to summary
private void decodeTypicalPredictedLineTemplate0(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, int byteIndex, final int currentLine, int refByteIndex) throws IOException

decodeTypicalPredictedLineTemplate1	back to summary
private void decodeTypicalPredictedLineTemplate1(final int lineNumber, final int width, final int rowStride, final int refRowStride, final int paddedWidth, final int deltaRefStride, int byteIndex, final int currentLine, int refByteIndex) throws IOException

getGrReference	back to summary
private Bitmap getGrReference() throws IntegerMaxValueException, InvalidHeaderValueException, IOException

getPixel	back to summary
private byte getPixel(final Bitmap b, final int x, final int y) throws IOException

getRegionBitmap back to summary

getRegionBitmap	back to summary
public Bitmap getRegionBitmap() throws IOException, IntegerMaxValueException, InvalidHeaderValueException Implements org.apache.pdfbox.jbig2.Region.getRegionBitmap. Decode using a template and arithmetic coding, as described in 6.3.5.6 Returns:Bitmap Doc from org.apache.pdfbox.jbig2.Region.getRegionBitmap. The decoded region as `Bitmap`. Exceptions IOException: if an underlying IO operation fails IntegerMaxValueException: if the maximum value limit of an integer is exceeded InvalidHeaderValueException: if a segment header value is invalid

public Bitmap getRegionBitmap() throws IOException, IntegerMaxValueException, InvalidHeaderValueException

Implements org.apache.pdfbox.jbig2.Region.getRegionBitmap.

Decode using a template and arithmetic coding, as described in 6.3.5.6

Returns:Bitmap

Doc from org.apache.pdfbox.jbig2.Region.getRegionBitmap.

The decoded region as Bitmap.

Exceptions

IOException:: if an underlying IO operation fails
IntegerMaxValueException:: if the maximum value limit of an integer is exceeded
InvalidHeaderValueException:: if a segment header value is invalid

getRegionInfo back to summary

getRegionInfo	back to summary
public RegionSegmentInformation getRegionInfo() Implements org.apache.pdfbox.jbig2.Region.getRegionInfo. Doc from org.apache.pdfbox.jbig2.Region.getRegionInfo. Simply returns the `RegionSegmentInformation`. Returns:RegionSegmentInformation The `RegionSegmentInformation`.

public RegionSegmentInformation getRegionInfo()

Implements org.apache.pdfbox.jbig2.Region.getRegionInfo.

Doc from org.apache.pdfbox.jbig2.Region.getRegionInfo.

Simply returns the RegionSegmentInformation.

Returns:RegionSegmentInformation: The RegionSegmentInformation.

init back to summary

init	back to summary
public void init(final SegmentHeader header, final SubInputStream sis) throws IOException Implements org.apache.pdfbox.jbig2.SegmentData.init. Doc from org.apache.pdfbox.jbig2.SegmentData.init. Parse the stream and read information of header. Parameters header:SegmentHeader - The segments' header (to make referred-to segments available in data part). sis:SubInputStream - Wrapped `ImageInputStream` into `SubInputStream`. Exceptions IOException: if an underlying IO operation fails

public void init(final SegmentHeader header, final SubInputStream sis) throws IOException

Implements org.apache.pdfbox.jbig2.SegmentData.init.

Doc from org.apache.pdfbox.jbig2.SegmentData.init.

Parse the stream and read information of header.

Parameters

header:SegmentHeader: - The segments' header (to make referred-to segments available in data part).
sis:SubInputStream: - Wrapped ImageInputStream into SubInputStream.

Exceptions

IOException:: if an underlying IO operation fails

overrideAtTemplate0	back to summary
private int overrideAtTemplate0(int context, final int x, final int y, final int result, final int minorX) throws IOException

parseHeader	back to summary
private void parseHeader() throws IOException Parses the flags described in JBIG2 ISO standard: 7.4.7.2 Generic refinement region segment flags 7.4.7.3 Generic refinement refion segment AT flags

parseHeader

back to summary

private void parseHeader() throws IOException

Parses the flags described in JBIG2 ISO standard:

7.4.7.2 Generic refinement region segment flags
7.4.7.3 Generic refinement refion segment AT flags

readAtPixels	back to summary
private void readAtPixels() throws IOException

setParameters	back to summary
protected void setParameters(final CX cx, final ArithmeticDecoder arithmeticDecoder, final short grTemplate, final int regionWidth, final int regionHeight, final Bitmap grReference, final int grReferenceDX, final int grReferenceDY, final boolean isTPGRon, final short[] grAtX, final short[] grAtY)

updateOverride	back to summary
private void updateOverride()

org.apache.pdfbox.jbig2.segments back to summary

public abstract Class GenericRefinementRegion.Template

Class Inheritance

extends Object

java.lang.Object
org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template

Known Direct Subclasses

org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template0, org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template1

Constructor Summary

Access	Constructor and Description
public	Template()

Method Summary

Modifier and Type	Method and Description
protected abstract short	form(short c1, short c2, short c3, short c4, short c5)
protected abstract void	setIndex(CX cx)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

Template	back to summary
public Template()

Method Detail

form	back to summary
protected abstract short form(short c1, short c2, short c3, short c4, short c5)

setIndex	back to summary
protected abstract void setIndex(CX cx)

org.apache.pdfbox.jbig2.segments back to summary

private Class GenericRefinementRegion.Template0

Class Inheritance

extends Template

java.lang.Object
org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template
org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template0

Constructor Summary

Access	Constructor and Description
private	Template0()

Method Summary

Modifier and Type	Method and Description
protected short	form(short c1, short c2, short c3, short c4, short c5) Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.form.
protected void	setIndex(CX cx) Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.setIndex.

Constructor Detail

Template0	back to summary
private Template0()

Method Detail

form	back to summary
protected short form(short c1, short c2, short c3, short c4, short c5) Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.form. Annotations @Override

form

back to summary

protected short form(short c1, short c2, short c3, short c4, short c5)

Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.form.

Annotations

@Override

setIndex

back to summary

protected void setIndex(CX cx)

Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.setIndex.

Annotations

@Override

org.apache.pdfbox.jbig2.segments back to summary

private Class GenericRefinementRegion.Template1

Class Inheritance

extends Template

java.lang.Object
org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template
org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template1

Constructor Summary

Access	Constructor and Description
private	Template1()

Method Summary

Modifier and Type	Method and Description
protected short	form(short c1, short c2, short c3, short c4, short c5) Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.form.
protected void	setIndex(CX cx) Implements abstract org.apache.pdfbox.jbig2.segments.GenericRefinementRegion.Template.setIndex.