Class TextRegion

java.lang.Object

org.apache.pdfbox.jbig2.segments.TextRegion

All Implemented Interfaces:

Region, SegmentData

public class TextRegion
extends Object
implements Region

This class represented the segment type "Text region", 7.4.3, page 56.

Constructor Summary

Constructors

Constructor	Description
TextRegion()
TextRegion(SubInputStream subInputStream, SegmentHeader segmentHeader)

Method Summary

Modifier and Type	Method	Description
Bitmap	getRegionBitmap()	Decodes and returns a regions content.
RegionSegmentInformation	getRegionInfo()	Simply returns the RegionSegmentInformation.
void	init(SegmentHeader header, SubInputStream sis)	Parse the stream and read information of header.
protected void	setContexts(CX cx, CX cxIADT, CX cxIAFS, CX cxIADS, CX cxIAIT, CX cxIAID, CX cxIARDW, CX cxIARDH, CX cxIARDX, CX cxIARDY)
protected void	setParameters(ArithmeticDecoder arithmeticDecoder, ArithmeticIntegerDecoder iDecoder, boolean isHuffmanEncoded, boolean sbRefine, int sbw, int sbh, long sbNumInstances, int sbStrips, int sbNumSyms, short sbDefaultPixel, short sbCombinationOperator, short transposed, short refCorner, short sbdsOffset, short sbHuffFS, short sbHuffDS, short sbHuffDT, short sbHuffRDWidth, short sbHuffRDHeight, short sbHuffRDX, short sbHuffRDY, short sbHuffRSize, short sbrTemplate, short[] sbrATX, short[] sbrATY, ArrayList<Bitmap> sbSyms, int sbSymCodeLen)

Methods inherited from class Object

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

Constructor Details

TextRegion

public TextRegion()

TextRegion

public TextRegion(SubInputStream subInputStream,
 SegmentHeader segmentHeader)

Method Details

getRegionBitmap

public Bitmap getRegionBitmap()
                       throws IOException,
IntegerMaxValueException,
InvalidHeaderValueException

Description copied from interface: Region

Decodes and returns a regions content.

Specified by:

getRegionBitmap in interface Region

Returns:

The decoded region as Bitmap.

Throws:

IOException - if an underlying IO operation fails

IntegerMaxValueException - if the maximum value limit of an integer is exceeded

InvalidHeaderValueException - if the segment header value is invalid

init

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

Description copied from interface: SegmentData

Parse the stream and read information of header.

Specified by:

init in interface SegmentData

Parameters:

header - - The segments' header (to make referred-to segments available in data part).

sis - - Wrapped ImageInputStream into SubInputStream.

Throws:

InvalidHeaderValueException - if the segment header value is invalid

IntegerMaxValueException - if the maximum value limit of an integer is exceeded

IOException - if an underlying IO operation fails

setContexts

protected void setContexts(CX cx,
 CX cxIADT,
 CX cxIAFS,
 CX cxIADS,
 CX cxIAIT,
 CX cxIAID,
 CX cxIARDW,
 CX cxIARDH,
 CX cxIARDX,
 CX cxIARDY)

setParameters

protected void setParameters(ArithmeticDecoder arithmeticDecoder,
 ArithmeticIntegerDecoder iDecoder,
 boolean isHuffmanEncoded,
 boolean sbRefine,
 int sbw,
 int sbh,
 long sbNumInstances,
 int sbStrips,
 int sbNumSyms,
 short sbDefaultPixel,
 short sbCombinationOperator,
 short transposed,
 short refCorner,
 short sbdsOffset,
 short sbHuffFS,
 short sbHuffDS,
 short sbHuffDT,
 short sbHuffRDWidth,
 short sbHuffRDHeight,
 short sbHuffRDX,
 short sbHuffRDY,
 short sbHuffRSize,
 short sbrTemplate,
 short[] sbrATX,
 short[] sbrATY,
 ArrayList<Bitmap> sbSyms,
 int sbSymCodeLen)

getRegionInfo

public RegionSegmentInformation getRegionInfo()

Description copied from interface: Region

Simply returns the RegionSegmentInformation.

Specified by:

getRegionInfo in interface Region

Returns:

The RegionSegmentInformation.