Package com.itextpdf.text.pdf

Class BidiLine

  • public class BidiLine
extends java.lang.Object
    Does all the line bidirectional processing with PdfChunk assembly.

    • 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 java.util.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

      • isWordSplit

        protected boolean isWordSplit

      • 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​(java.util.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,
                           float minY,
                           float yLine,
                           float descender)

      • processTabStop

        private float processTabStop​(TabStop tabStop,
                             float tabPosition,
                             float originalWidth,
                             float width,
                             float tabStopAnchorPosition,
                             boolean isRTL,
                             java.util.List<TabStop> rtlTabsToBeAligned)

      • isWordSplit

        public boolean isWordSplit()
        Call this after processLine() to know if any word was split into several lines.
        Returns:

      • 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

      • getWidth

        public float getWidth​(int startIdx,
                      int lastIdx,
                      float originalWidth)
        Gets the width of a range of characters.
        Parameters:
        startIdx - the first index to calculate
        lastIdx - the last inclusive index to calculate
        originalWidth - the full width of the line. It is used in case of RTL and tab stops
        Returns:
        the sum of all widths

      • createArrayOfPdfChunks

        public java.util.ArrayList<PdfChunk> createArrayOfPdfChunks​(int startIdx,
                                                            int endIdx)

      • createArrayOfPdfChunks

        public java.util.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)

      • processLTR

        public static java.lang.String processLTR​(java.lang.String s,
                                          int runDirection,
                                          int arabicOptions)
        Method that changes a String with Arabic characters into a String in which the ligatures are made.
        Parameters:
        s - the original String
        runDirection -
        arabicOptions -
        Returns:
        the String with the ligatures