com.levigo.jbig2.segments

Class TextRegion

java.lang.Object

com.levigo.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.

Author:

Matthäus Krzikalla, Benjamin Zindel

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and 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 java.lang.Object

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

Constructor Detail

TextRegion

public TextRegion()

TextRegion

public TextRegion(SubInputStream subInputStream,
          SegmentHeader segmentHeader)

Method Detail

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

IntegerMaxValueException

InvalidHeaderValueException

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

IntegerMaxValueException

IOException

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.