JPEGFileFormat

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org.eclipse.swt.internal.image
Class JPEGFileFormat

java.lang.Object
  org.eclipse.swt.internal.image.FileFormat
      org.eclipse.swt.internal.image.JPEGFileFormat

final class JPEGFileFormat
extends FileFormat

Field Summary

static int AC


(package private) JPEGHuffmanTable[] acHuffmanTables


static int APP0


static int APP15


(package private) JPEGArithmeticConditioningTable arithmeticTables


static int[] BCbTable


static int[] BCrTable


(package private) int bufferCurrentPosition


static int[] BYTable


static int[] CbBTable


static int[] CbGTable


static int CH


static int COM


(package private) int[] componentIds


static int[] CrGTable


static int[] CrRTable


(package private) int currentBitCount


(package private) int currentByte


static int CW


static int DAC


(package private) byte[] dataBuffer


(package private) int[] dataUnit


(package private) int[][][] dataUnits


static int DC


(package private) JPEGHuffmanTable[] dcHuffmanTables


static int DCTSIZE


static int DCTSIZESQR


(package private) int decoderQFactor


static int DHP


static int DHT


static int DNL


static int DQT


static int DRI


(package private) int encoderQFactor


(package private) int eobrun


static int EOI


static int EXP


static int[] ExtendOffset


static int[] ExtendTest


static int FIX_0_298631336


static int FIX_0_390180644


static int FIX_0_541196100


static int FIX_0_765366865


static int FIX_0_899976223


static int FIX_1_175875602


static int FIX_1_501321110


static int FIX_1_847759065


static int FIX_1_961570560


static int FIX_2_053119869


static int FIX_2_562915447


static int FIX_3_072711026


(package private) int[][] frameComponents


(package private) JPEGFrameHeader frameHeader


static int[] GCbTable


static int[] GCrTable


static int[] GYTable


static int HI


static int ID_CB


static int ID_CR


static int ID_Y


(package private) byte[][] imageComponents


(package private) int imageHeight


(package private) int imageWidth


(package private) int interleavedMcuCols


(package private) int interleavedMcuRows


static int JPG


static int JPG0


static int JPG13


(package private) int maxH


(package private) int maxV


static int[] NBitsTable


(package private) int nComponents


(package private) int nextRestartNumber


(package private) int[] precedingDCs


(package private) boolean progressive


(package private) int[][] quantizationTables


static int[] RCbTable


static int[] RCrTable


(package private) int restartInterval


(package private) int restartsToGo


static int RST0


static int RST1


static int RST2


static int RST3


static int RST4


static int RST5


static int RST6


static int RST7


static int[] RYTable


(package private) int samplePrecision


(package private) JPEGScanHeader scanHeader


static int SOF0


static int SOF1


static int SOF10


static int SOF11


static int SOF13


static int SOF14


static int SOF15


static int SOF2


static int SOF3


static int SOF5


static int SOF6


static int SOF7


static int SOF9


static int SOI


static int SOS


static int TEM


static int TQI


static int VI


static int[] ZigZag8x8


Fields inherited from class org.eclipse.swt.internal.image.FileFormat

compression, FORMAT_PACKAGE, FORMAT_SUFFIX, FORMATS, inputStream, loader, outputStream

Constructor Summary

(package private) JPEGFileFormat()


Method Summary

(package private) void compress(org.eclipse.swt.graphics.ImageData image, byte[] dataYComp, byte[] dataCbComp, byte[] dataCrComp)


(package private) void convert4BitRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)


(package private) void convert8BitRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)


(package private) byte[] convertCMYKToRGB()


(package private) void convertImageToYCbCr(org.eclipse.swt.graphics.ImageData image)


(package private) void convertMultiRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)


(package private) byte[] convertYCbCrToRGB()


(package private) byte[] convertYIQToRGB()


(package private) byte[] convertYToRGB()


(package private) org.eclipse.swt.graphics.ImageData createImageData()


(package private) void decodeACCoefficients(int[] dataUnit, int iComp)


(package private) void decodeACFirstCoefficients(int[] dataUnit, int iComp, int start, int end, int approxBit)


(package private) void decodeACRefineCoefficients(int[] dataUnit, int iComp, int start, int end, int approxBit)


(package private) void decodeDCCoefficient(int[] dataUnit, int iComp, boolean first, int approxBit)


(package private) byte[] decodeImageComponents()


(package private) void decodeMCUAtXAndY(int xmcu, int ymcu, int nComponentsInScan, boolean first, int start, int end, int approxBit)


(package private) void decodeScan()


(package private) int decodeUsingTable(JPEGHuffmanTable huffmanTable)


(package private) void dequantize(int[] dataUnit, int iComp)


(package private) void emit(int huffCode, int nBits)


(package private) void emitByte(byte byteValue)


(package private) void encodeACCoefficients(int[] dataUnit, int iComp)


(package private) void encodeDCCoefficients(int[] dataUnit, int iComp)


(package private) void encodeMCUAtXAndY(int xmcu, int ymcu)


(package private) void encodeScan()


(package private) void expandImageComponents()


(package private) int extendBy(int diff, int t)


(package private) void extractData(int[] dataUnit, int iComp, int xmcu, int ymcu, int ihi, int ivi)


(package private) void forwardDCT(int[] dataUnit)


(package private) void getAPP0()


(package private) void getCOM()


(package private) void getDAC()


(package private) void getDHT()


(package private) void getDNL()


(package private) void getDQT()


(package private) void getDRI()


(package private) static void initialize()


(package private) static void initializeBitCountTable()


(package private) static void initializeRGBYCbCrTables()


(package private) static void initializeYCbCrRGBTables()


(package private) void inverseDCT(int[] dataUnit)


(package private) boolean isFileFormat(LEDataInputStream stream)
          Return whether or not the specified input stream represents a supported file format.

(package private) boolean isZeroInColumn(int[] dataUnit, int col)


(package private) boolean isZeroInRow(int[] dataUnit, int rIndex)


(package private) org.eclipse.swt.graphics.ImageData[] loadFromByteStream()


(package private) int nextBit()


(package private) void processRestartInterval()


(package private) JPEGSegment processTables()


(package private) void quantizeData(int[] dataUnit, int iComp)


(package private) int receive(int nBits)


(package private) int refineAC(int ac, int approxBit)


(package private) void resetInputBuffer()


(package private) void resetOutputBuffer()


(package private) static JPEGSegment seekUnspecifiedMarker(LEDataInputStream byteStream)


(package private) org.eclipse.swt.graphics.PaletteData setUpPalette()


(package private) static void skipSegmentFrom(LEDataInputStream byteStream)


(package private) void storeData(int[] dataUnit, int iComp, int xmcu, int ymcu, int hi, int ihi, int vi, int ivi)


(package private) void unloadIntoByteStream(org.eclipse.swt.graphics.ImageData image)


Methods inherited from class org.eclipse.swt.internal.image.FileFormat

bitInvertData, load, loadFromStream, save, unloadIntoStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

restartInterval

int restartInterval

frameHeader

JPEGFrameHeader frameHeader

imageWidth

int imageWidth

imageHeight

int imageHeight

interleavedMcuCols

int interleavedMcuCols

interleavedMcuRows

int interleavedMcuRows

maxV

int maxV

maxH

int maxH

progressive

boolean progressive

samplePrecision

int samplePrecision

nComponents

int nComponents

frameComponents

int[][] frameComponents

componentIds

int[] componentIds

imageComponents

byte[][] imageComponents

dataUnit

int[] dataUnit

dataUnits

int[][][] dataUnits

precedingDCs

int[] precedingDCs

scanHeader

JPEGScanHeader scanHeader

dataBuffer

byte[] dataBuffer

currentBitCount

int currentBitCount

bufferCurrentPosition

int bufferCurrentPosition

restartsToGo

int restartsToGo

nextRestartNumber

int nextRestartNumber

arithmeticTables

JPEGArithmeticConditioningTable arithmeticTables

acHuffmanTables

JPEGHuffmanTable[] acHuffmanTables

dcHuffmanTables

JPEGHuffmanTable[] dcHuffmanTables

quantizationTables

int[][] quantizationTables

currentByte

int currentByte

decoderQFactor

int decoderQFactor

encoderQFactor

int encoderQFactor

eobrun

int eobrun

DCTSIZE

public static final int DCTSIZE

See Also:: Constant Field Values

DCTSIZESQR

public static final int DCTSIZESQR

See Also:: Constant Field Values

FIX_0_899976223

public static final int FIX_0_899976223

See Also:: Constant Field Values

FIX_1_961570560

public static final int FIX_1_961570560

See Also:: Constant Field Values

FIX_2_053119869

public static final int FIX_2_053119869

See Also:: Constant Field Values

FIX_0_298631336

public static final int FIX_0_298631336

See Also:: Constant Field Values

FIX_1_847759065

public static final int FIX_1_847759065

See Also:: Constant Field Values

FIX_1_175875602

public static final int FIX_1_175875602

See Also:: Constant Field Values

FIX_3_072711026

public static final int FIX_3_072711026

See Also:: Constant Field Values

FIX_0_765366865

public static final int FIX_0_765366865

See Also:: Constant Field Values

FIX_2_562915447

public static final int FIX_2_562915447

See Also:: Constant Field Values

FIX_0_541196100

public static final int FIX_0_541196100

See Also:: Constant Field Values

FIX_0_390180644

public static final int FIX_0_390180644

See Also:: Constant Field Values

FIX_1_501321110

public static final int FIX_1_501321110

See Also:: Constant Field Values

APP0

public static final int APP0

See Also:: Constant Field Values

APP15

public static final int APP15

See Also:: Constant Field Values

COM

public static final int COM

See Also:: Constant Field Values

DAC

public static final int DAC

See Also:: Constant Field Values

DHP

public static final int DHP

See Also:: Constant Field Values

DHT

public static final int DHT

See Also:: Constant Field Values

DNL

public static final int DNL

See Also:: Constant Field Values

DRI

public static final int DRI

See Also:: Constant Field Values

DQT

public static final int DQT

See Also:: Constant Field Values

EOI

public static final int EOI

See Also:: Constant Field Values

EXP

public static final int EXP

See Also:: Constant Field Values

JPG

public static final int JPG

See Also:: Constant Field Values

JPG0

public static final int JPG0

See Also:: Constant Field Values

JPG13

public static final int JPG13

See Also:: Constant Field Values

RST0

public static final int RST0

See Also:: Constant Field Values

RST1

public static final int RST1

See Also:: Constant Field Values

RST2

public static final int RST2

See Also:: Constant Field Values

RST3

public static final int RST3

See Also:: Constant Field Values

RST4

public static final int RST4

See Also:: Constant Field Values

RST5

public static final int RST5

See Also:: Constant Field Values

RST6

public static final int RST6

See Also:: Constant Field Values

RST7

public static final int RST7

See Also:: Constant Field Values

SOF0

public static final int SOF0

See Also:: Constant Field Values

SOF1

public static final int SOF1

See Also:: Constant Field Values

SOF2

public static final int SOF2

See Also:: Constant Field Values

SOF3

public static final int SOF3

See Also:: Constant Field Values

SOF5

public static final int SOF5

See Also:: Constant Field Values

SOF6

public static final int SOF6

See Also:: Constant Field Values

SOF7

public static final int SOF7

See Also:: Constant Field Values

SOF9

public static final int SOF9

See Also:: Constant Field Values

SOF10

public static final int SOF10

See Also:: Constant Field Values

SOF11

public static final int SOF11

See Also:: Constant Field Values

SOF13

public static final int SOF13

See Also:: Constant Field Values

SOF14

public static final int SOF14

See Also:: Constant Field Values

SOF15

public static final int SOF15

See Also:: Constant Field Values

SOI

public static final int SOI

See Also:: Constant Field Values

SOS

public static final int SOS

See Also:: Constant Field Values

TEM

public static final int TEM

See Also:: Constant Field Values

TQI

public static final int TQI

See Also:: Constant Field Values

HI

public static final int HI

See Also:: Constant Field Values

VI

public static final int VI

See Also:: Constant Field Values

CW

public static final int CW

See Also:: Constant Field Values

CH

public static final int CH

See Also:: Constant Field Values

DC

public static final int DC

See Also:: Constant Field Values

AC

public static final int AC

See Also:: Constant Field Values

ID_Y

public static final int ID_Y

See Also:: Constant Field Values

ID_CB

public static final int ID_CB

See Also:: Constant Field Values

ID_CR

public static final int ID_CR

See Also:: Constant Field Values

ExtendTest

public static final int[] ExtendTest

ExtendOffset

public static final int[] ExtendOffset

ZigZag8x8

public static final int[] ZigZag8x8

CrRTable

public static int[] CrRTable

CbBTable

public static int[] CbBTable

CrGTable

public static int[] CrGTable

CbGTable

public static int[] CbGTable

RYTable

public static int[] RYTable

GYTable

public static int[] GYTable

BYTable

public static int[] BYTable

RCbTable

public static int[] RCbTable

GCbTable

public static int[] GCbTable

BCbTable

public static int[] BCbTable

RCrTable

public static int[] RCrTable

GCrTable

public static int[] GCrTable

BCrTable

public static int[] BCrTable

NBitsTable

public static int[] NBitsTable

Constructor Detail

JPEGFileFormat

JPEGFileFormat()

Method Detail

compress

void compress(org.eclipse.swt.graphics.ImageData image,
              byte[] dataYComp,
              byte[] dataCbComp,
              byte[] dataCrComp)

convert4BitRGBToYCbCr

void convert4BitRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)

convert8BitRGBToYCbCr

void convert8BitRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)

convertCMYKToRGB

byte[] convertCMYKToRGB()

convertImageToYCbCr

void convertImageToYCbCr(org.eclipse.swt.graphics.ImageData image)

convertMultiRGBToYCbCr

void convertMultiRGBToYCbCr(org.eclipse.swt.graphics.ImageData image)

convertYToRGB

byte[] convertYToRGB()

convertYCbCrToRGB

byte[] convertYCbCrToRGB()

convertYIQToRGB

byte[] convertYIQToRGB()

decodeACCoefficients

void decodeACCoefficients(int[] dataUnit,
                          int iComp)

decodeACFirstCoefficients

void decodeACFirstCoefficients(int[] dataUnit,
                               int iComp,
                               int start,
                               int end,
                               int approxBit)

decodeACRefineCoefficients

void decodeACRefineCoefficients(int[] dataUnit,
                                int iComp,
                                int start,
                                int end,
                                int approxBit)

refineAC

int refineAC(int ac,
             int approxBit)

decodeDCCoefficient

void decodeDCCoefficient(int[] dataUnit,
                         int iComp,
                         boolean first,
                         int approxBit)

dequantize

void dequantize(int[] dataUnit,
                int iComp)

decodeImageComponents

byte[] decodeImageComponents()

decodeMCUAtXAndY

void decodeMCUAtXAndY(int xmcu,
                      int ymcu,
                      int nComponentsInScan,
                      boolean first,
                      int start,
                      int end,
                      int approxBit)

decodeScan

void decodeScan()

decodeUsingTable

int decodeUsingTable(JPEGHuffmanTable huffmanTable)

emit

void emit(int huffCode,
          int nBits)

emitByte

void emitByte(byte byteValue)

encodeACCoefficients

void encodeACCoefficients(int[] dataUnit,
                          int iComp)

encodeDCCoefficients

void encodeDCCoefficients(int[] dataUnit,
                          int iComp)

encodeMCUAtXAndY

void encodeMCUAtXAndY(int xmcu,
                      int ymcu)

encodeScan

void encodeScan()

expandImageComponents

void expandImageComponents()

extendBy

int extendBy(int diff,
             int t)

extractData

void extractData(int[] dataUnit,
                 int iComp,
                 int xmcu,
                 int ymcu,
                 int ihi,
                 int ivi)

forwardDCT

void forwardDCT(int[] dataUnit)

getAPP0

void getAPP0()

getCOM

void getCOM()

getDAC

void getDAC()

getDHT

void getDHT()

getDNL

void getDNL()

getDQT

void getDQT()

getDRI

void getDRI()

initialize

static void initialize()

initializeBitCountTable

static void initializeBitCountTable()

initializeRGBYCbCrTables

static void initializeRGBYCbCrTables()

initializeYCbCrRGBTables

static void initializeYCbCrRGBTables()

inverseDCT

void inverseDCT(int[] dataUnit)

isFileFormat

boolean isFileFormat(LEDataInputStream stream)

Description copied from class: FileFormat

Return whether or not the specified input stream represents a supported file format.

Specified by:: isFileFormat in class FileFormat

isZeroInColumn

boolean isZeroInColumn(int[] dataUnit,
                       int col)

isZeroInRow

boolean isZeroInRow(int[] dataUnit,
                    int rIndex)

loadFromByteStream

org.eclipse.swt.graphics.ImageData[] loadFromByteStream()

Specified by:: loadFromByteStream in class FileFormat

createImageData

org.eclipse.swt.graphics.ImageData createImageData()

nextBit

int nextBit()

processRestartInterval

void processRestartInterval()

processTables

JPEGSegment processTables()

quantizeData

void quantizeData(int[] dataUnit,
                  int iComp)

receive

int receive(int nBits)

resetInputBuffer

void resetInputBuffer()

resetOutputBuffer

void resetOutputBuffer()

seekUnspecifiedMarker

static JPEGSegment seekUnspecifiedMarker(LEDataInputStream byteStream)

setUpPalette

org.eclipse.swt.graphics.PaletteData setUpPalette()

skipSegmentFrom

static void skipSegmentFrom(LEDataInputStream byteStream)

storeData

void storeData(int[] dataUnit,
               int iComp,
               int xmcu,
               int ymcu,
               int hi,
               int ihi,
               int vi,
               int ivi)

unloadIntoByteStream

void unloadIntoByteStream(org.eclipse.swt.graphics.ImageData image)

Specified by:: unloadIntoByteStream in class FileFormat