Package com.aowagie.text.pdf.codec
Class TIFFFaxDecoder
- java.lang.Object
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- com.aowagie.text.pdf.codec.TIFFFaxDecoder
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public class TIFFFaxDecoder extends java.lang.Object
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Field Summary
Fields Modifier and Type Field Description private static short[]
additionalMakeup
private int
bitPointer
private static short[]
black
private int
bytePointer
private int
changingElemSize
private int
compression
private int[]
currChangingElems
private byte[]
data
private int
fillBits
private int
fillOrder
private static byte[]
flipTable
private int
h
private static short[]
initBlack
private int
lastChangingElement
private int
oneD
private int[]
prevChangingElems
private static int[]
table1
private static int[]
table2
private static short[]
twoBitBlack
private static byte[]
twoDCodes
private int
uncompressedMode
private int
w
private static short[]
white
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Constructor Summary
Constructors Constructor Description TIFFFaxDecoder(int fillOrder, int w, int h)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private boolean
advancePointer()
(package private) void
decode1D(byte[] buffer, byte[] compData, int startX, int height)
(package private) void
decode2D(byte[] buffer, byte[] compData, int startX, int height, long tiffT4Options)
private int
decodeBlackCodeWord()
private void
decodeNextScanline(byte[] buffer, int lineOffset, int bitOffset)
(package private) void
decodeT6(byte[] buffer, byte[] compData, int startX, int height, long tiffT6Options)
private int
decodeWhiteCodeWord()
private void
getNextChangingElement(int a0, boolean isWhite, int[] ret)
private int
nextLesserThan8Bits(int bitsToGet)
private int
nextNBits(int bitsToGet)
private int
readEOL(boolean isFirstEOL)
static void
reverseBits(byte[] b)
Reverses the bits in the arrayprivate void
setToBlack(byte[] buffer, int lineOffset, int bitOffset, int numBits)
private void
updatePointer(int bitsToMoveBack)
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Field Detail
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bitPointer
private int bitPointer
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bytePointer
private int bytePointer
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data
private byte[] data
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w
private final int w
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h
private final int h
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fillOrder
private final int fillOrder
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changingElemSize
private int changingElemSize
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prevChangingElems
private int[] prevChangingElems
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currChangingElems
private int[] currChangingElems
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lastChangingElement
private int lastChangingElement
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compression
private int compression
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uncompressedMode
private int uncompressedMode
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fillBits
private int fillBits
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oneD
private int oneD
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table1
private static int[] table1
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table2
private static int[] table2
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flipTable
private static byte[] flipTable
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white
private static short[] white
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additionalMakeup
private static short[] additionalMakeup
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initBlack
private static short[] initBlack
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twoBitBlack
private static short[] twoBitBlack
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black
private static short[] black
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twoDCodes
private static byte[] twoDCodes
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Method Detail
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reverseBits
public static void reverseBits(byte[] b)
Reverses the bits in the array- Parameters:
b
- the bits to reverse- Since:
- 2.0.7
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decode1D
void decode1D(byte[] buffer, byte[] compData, int startX, int height)
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decodeNextScanline
private void decodeNextScanline(byte[] buffer, int lineOffset, int bitOffset)
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decode2D
void decode2D(byte[] buffer, byte[] compData, int startX, int height, long tiffT4Options)
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decodeT6
void decodeT6(byte[] buffer, byte[] compData, int startX, int height, long tiffT6Options)
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setToBlack
private void setToBlack(byte[] buffer, int lineOffset, int bitOffset, int numBits)
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decodeWhiteCodeWord
private int decodeWhiteCodeWord()
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decodeBlackCodeWord
private int decodeBlackCodeWord()
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readEOL
private int readEOL(boolean isFirstEOL)
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getNextChangingElement
private void getNextChangingElement(int a0, boolean isWhite, int[] ret)
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nextNBits
private int nextNBits(int bitsToGet)
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nextLesserThan8Bits
private int nextLesserThan8Bits(int bitsToGet)
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updatePointer
private void updatePointer(int bitsToMoveBack)
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advancePointer
private boolean advancePointer()
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