org.apache.pdfbox.jbig2.segments

Class SymbolDictionary

java.lang.Object

org.apache.pdfbox.jbig2.segments.SymbolDictionary

All Implemented Interfaces:

Dictionary, SegmentData

public class SymbolDictionary
extends Object
implements Dictionary

This class represents the data of segment type "Symbol dictionary". Parsing is described in 7.4.2.1.1 - 7.4.1.1.5 and decoding procedure is described in 6.5.

Field Summary

Fields

Modifier and Type	Field and Description
protected CX	cxIAID

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
ArrayList<Bitmap>	getDictionary() 6.5.5 Decoding the symbol dictionary
void	init(SegmentHeader header, SubInputStream sis) Parse the stream and read information of header.

Methods inherited from class java.lang.Object

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

Field Detail

cxIAID

protected CX cxIAID

Constructor Detail

SymbolDictionary

public SymbolDictionary()

SymbolDictionary

public SymbolDictionary(SubInputStream subInputStream,
                        SegmentHeader segmentHeader)
                 throws IOException

Throws:

IOException

Method Detail

getDictionary

public ArrayList<Bitmap> getDictionary()
                                throws IOException,
                                       IntegerMaxValueException,
                                       InvalidHeaderValueException

6.5.5 Decoding the symbol dictionary

Specified by:

getDictionary in interface Dictionary

Returns:

List of decoded symbol bitmaps as an ArrayList

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