com.itextpdf.text.pdf
Class BidiLine

java.lang.Object
  extended by com.itextpdf.text.pdf.BidiLine

public class BidiLine
extends Object

Does all the line bidirectional processing with PdfChunk assembly.

Author:
Paulo Soares

Field Summary
protected  int arabicOptions
           
protected  ArrayList<PdfChunk> chunks
           
protected  int currentChar
           
protected  PdfChunk[] detailChunks
           
protected  int[] indexChars
           
protected  int indexChunk
           
protected  int indexChunkChar
           
protected static IntHashtable mirrorChars
           
protected  byte[] orderLevels
           
protected  int pieceSize
           
protected  int runDirection
           
protected  boolean shortStore
           
protected  int storedCurrentChar
           
protected  PdfChunk[] storedDetailChunks
           
protected  int[] storedIndexChars
           
protected  int storedIndexChunk
           
protected  int storedIndexChunkChar
           
protected  byte[] storedOrderLevels
           
protected  int storedRunDirection
           
protected  char[] storedText
           
protected  int storedTotalTextLength
           
protected  char[] text
           
protected  int totalTextLength
           
 
Constructor Summary
BidiLine()
          Creates new BidiLine
BidiLine(BidiLine org)
           
 
Method Summary
 void addChunk(PdfChunk chunk)
           
 void addChunks(ArrayList<PdfChunk> chunks)
           
 void addPiece(char c, PdfChunk chunk)
           
 void clearChunks()
           
 ArrayList<PdfChunk> createArrayOfPdfChunks(int startIdx, int endIdx)
           
 ArrayList<PdfChunk> createArrayOfPdfChunks(int startIdx, int endIdx, PdfChunk extraPdfChunk)
           
 void doArabicShapping()
           
 void flip(int start, int end)
           
 boolean getParagraph(int runDirection)
           
 float getWidth(int startIdx, int lastIdx)
          Gets the width of a range of characters.
 int[] getWord(int startIdx, int idx)
           
 boolean isEmpty()
           
static boolean isWS(char c)
           
 void mirrorGlyphs()
           
 PdfLine processLine(float leftX, float width, int alignment, int runDirection, int arabicOptions)
           
 void reorder(int start, int end)
           
 void restore()
           
 void save()
           
 int trimLeft(int startIdx, int endIdx)
           
 int trimLeftEx(int startIdx, int endIdx)
           
 int trimRight(int startIdx, int endIdx)
           
 int trimRightEx(int startIdx, int endIdx)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

runDirection

protected int runDirection

pieceSize

protected int pieceSize

text

protected char[] text

detailChunks

protected PdfChunk[] detailChunks

totalTextLength

protected int totalTextLength

orderLevels

protected byte[] orderLevels

indexChars

protected int[] indexChars

chunks

protected ArrayList<PdfChunk> chunks

indexChunk

protected int indexChunk

indexChunkChar

protected int indexChunkChar

currentChar

protected int currentChar

storedRunDirection

protected int storedRunDirection

storedText

protected char[] storedText

storedDetailChunks

protected PdfChunk[] storedDetailChunks

storedTotalTextLength

protected int storedTotalTextLength

storedOrderLevels

protected byte[] storedOrderLevels

storedIndexChars

protected int[] storedIndexChars

storedIndexChunk

protected int storedIndexChunk

storedIndexChunkChar

protected int storedIndexChunkChar

storedCurrentChar

protected int storedCurrentChar

shortStore

protected boolean shortStore

mirrorChars

protected static final IntHashtable mirrorChars

arabicOptions

protected int arabicOptions
Constructor Detail

BidiLine

public BidiLine()
Creates new BidiLine


BidiLine

public BidiLine(BidiLine org)
Method Detail

isEmpty

public boolean isEmpty()

clearChunks

public void clearChunks()

getParagraph

public boolean getParagraph(int runDirection)

addChunk

public void addChunk(PdfChunk chunk)

addChunks

public void addChunks(ArrayList<PdfChunk> chunks)

addPiece

public void addPiece(char c,
                     PdfChunk chunk)

save

public void save()

restore

public void restore()

mirrorGlyphs

public void mirrorGlyphs()

doArabicShapping

public void doArabicShapping()

processLine

public PdfLine processLine(float leftX,
                           float width,
                           int alignment,
                           int runDirection,
                           int arabicOptions)

getWidth

public float getWidth(int startIdx,
                      int lastIdx)
Gets the width of a range of characters.

Parameters:
startIdx - the first index to calculate
lastIdx - the last inclusive index to calculate
Returns:
the sum of all widths

createArrayOfPdfChunks

public ArrayList<PdfChunk> createArrayOfPdfChunks(int startIdx,
                                                  int endIdx)

createArrayOfPdfChunks

public ArrayList<PdfChunk> createArrayOfPdfChunks(int startIdx,
                                                  int endIdx,
                                                  PdfChunk extraPdfChunk)

getWord

public int[] getWord(int startIdx,
                     int idx)

trimRight

public int trimRight(int startIdx,
                     int endIdx)

trimLeft

public int trimLeft(int startIdx,
                    int endIdx)

trimRightEx

public int trimRightEx(int startIdx,
                       int endIdx)

trimLeftEx

public int trimLeftEx(int startIdx,
                      int endIdx)

reorder

public void reorder(int start,
                    int end)

flip

public void flip(int start,
                 int end)

isWS

public static boolean isWS(char c)

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