Package com.itextpdf.io.codec
Class TIFFFaxDecoder
java.lang.Object
com.itextpdf.io.codec.TIFFFaxDecoder
Class that can decode TIFF files.
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic short[]
private int
(package private) static short[]
private int
private int
private int
private int[]
private byte[]
private int
private int
static byte[]
private int
(package private) static short[]
private int
private int
private int[]
private boolean
(package private) static int[]
(package private) static int[]
(package private) static short[]
(package private) static byte[]
private int
private int
(package private) static short[]
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprivate boolean
void
decode1D
(byte[] buffer, byte[] compData, int startX, int height) void
decode2D
(byte[] buffer, byte[] compData, int startX, int height, long tiffT4Options) private int
void
decodeNextScanline
(byte[] buffer, int lineOffset, int bitOffset) void
decodeT6
(byte[] buffer, byte[] compData, int startX, int height, long tiffT6Options) private int
private void
getNextChangingElement
(int a0, boolean isWhite, int[] ret) private int
nextLesserThan8Bits
(int bitsToGet) private int
nextNBits
(int bitsToGet) private int
readEOL()
static void
reverseBits
(byte[] b) Reverses the bits in the arrayvoid
setRecoverFromImageError
(boolean recoverFromImageError) private void
setToBlack
(byte[] buffer, int lineOffset, int bitOffset, int numBits) private void
updatePointer
(int bitsToMoveBack)
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Field Details
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bitPointer
private int bitPointer -
bytePointer
private int bytePointer -
data
private byte[] data -
w
private int w -
h
private int h -
fillOrder
private int fillOrder -
changingElemSize
private int changingElemSize -
prevChangingElems
private int[] prevChangingElems -
currChangingElems
private int[] currChangingElems -
lastChangingElement
private int lastChangingElement -
compression
private int compression -
uncompressedMode
private int uncompressedMode -
fillBits
private int fillBits -
oneD
private int oneD -
recoverFromImageError
private boolean recoverFromImageError -
table1
static int[] table1 -
table2
static int[] table2 -
flipTable
public static byte[] flipTable -
white
static short[] white -
additionalMakeup
public static short[] additionalMakeup -
initBlack
static short[] initBlack -
twoBitBlack
static short[] twoBitBlack -
black
static short[] black -
twoDCodes
static byte[] twoDCodes
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Constructor Details
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TIFFFaxDecoder
public TIFFFaxDecoder(int fillOrder, int w, int h) - Parameters:
fillOrder
- The fill order of the compressed data bytes.w
- widthh
- height
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Method Details
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reverseBits
public static void reverseBits(byte[] b) Reverses the bits in the array- Parameters:
b
- the bits to reverse
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decode1D
public void decode1D(byte[] buffer, byte[] compData, int startX, int height) -
decodeNextScanline
public void decodeNextScanline(byte[] buffer, int lineOffset, int bitOffset) -
decode2D
public void decode2D(byte[] buffer, byte[] compData, int startX, int height, long tiffT4Options) -
decodeT6
public void decodeT6(byte[] buffer, byte[] compData, int startX, int height, long tiffT6Options) -
setToBlack
private void setToBlack(byte[] buffer, int lineOffset, int bitOffset, int numBits) -
decodeWhiteCodeWord
private int decodeWhiteCodeWord() -
decodeBlackCodeWord
private int decodeBlackCodeWord() -
readEOL
private int readEOL() -
getNextChangingElement
private void getNextChangingElement(int a0, boolean isWhite, int[] ret) -
nextNBits
private int nextNBits(int bitsToGet) -
nextLesserThan8Bits
private int nextLesserThan8Bits(int bitsToGet) -
updatePointer
private void updatePointer(int bitsToMoveBack) -
advancePointer
private boolean advancePointer() -
setRecoverFromImageError
public void setRecoverFromImageError(boolean recoverFromImageError)
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