com.lowagie.text.pdf

Class BidiLine

java.lang.Object

com.lowagie.text.pdf.BidiLine

public class BidiLine
extends Object

Does all the line bidirectional processing with PdfChunk assembly.

Author:

Paulo Soares (psoares@consiste.pt)

Field Summary

Fields

Modifier and Type	Field and Description
protected int	arabicOptions
protected ArrayList	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

Constructors

Constructor and Description
BidiLine() Creates new BidiLine
BidiLine(BidiLine org)

Method Summary

Modifier and Type	Method and Description
void	addChunk(PdfChunk chunk)
void	addChunks(ArrayList chunks)
void	addPiece(char c, PdfChunk chunk)
void	clearChunks()
ArrayList	createArrayOfPdfChunks(int startIdx, int endIdx)
ArrayList	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 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 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 createArrayOfPdfChunks(int startIdx,
                                        int endIdx)

createArrayOfPdfChunks

public ArrayList 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)