org.eclipse.swt.internal.image

Class JPEGFileFormat

java.lang.Object

org.eclipse.swt.internal.image.FileFormat

org.eclipse.swt.internal.image.JPEGFileFormat

public final class JPEGFileFormat
extends FileFormat

Structure Diagram

Field Summary

Fields

Modifier and Type	Field and Description
static int	AC
(package private) JPEGHuffmanTable[]	acHuffmanTables
static int	APP0
static int	APP15
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
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 RGB[]	RGB16
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

Constructors

Constructor and Description
JPEGFileFormat()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) void	compress(ImageData image, byte[] dataYComp, byte[] dataCbComp, byte[] dataCrComp)
(package private) void	convert4BitRGBToYCbCr(ImageData image)
(package private) void	convert8BitRGBToYCbCr(ImageData image)
(package private) byte[]	convertCMYKToRGB()
(package private) void	convertImageToYCbCr(ImageData image)
(package private) void	convertMultiRGBToYCbCr(ImageData image)
(package private) byte[]	convertYCbCrToRGB()
(package private) byte[]	convertYToRGB()
(package private) 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) 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) 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) 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(ImageLoader loader)

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

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

acHuffmanTables

JPEGHuffmanTable[] acHuffmanTables

dcHuffmanTables

JPEGHuffmanTable[] dcHuffmanTables

quantizationTables

int[][] quantizationTables

currentByte

int currentByte

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

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Constant Field Values

FIX_2_053119869

public static final int FIX_2_053119869

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FIX_0_298631336

public static final int FIX_0_298631336

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Constant Field Values

FIX_1_847759065

public static final int FIX_1_847759065

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FIX_1_175875602

public static final int FIX_1_175875602

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Constant Field Values

FIX_3_072711026

public static final int FIX_3_072711026

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Constant Field Values

FIX_0_765366865

public static final int FIX_0_765366865

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Constant Field Values

FIX_2_562915447

public static final int FIX_2_562915447

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FIX_0_541196100

public static final int FIX_0_541196100

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FIX_0_390180644

public static final int FIX_0_390180644

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FIX_1_501321110

public static final int FIX_1_501321110

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Constant Field Values

APP0

public static final int APP0

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APP15

public static final int APP15

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Constant Field Values

COM

public static final int COM

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DAC

public static final int DAC

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DHP

public static final int DHP

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DHT

public static final int DHT

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DNL

public static final int DNL

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DRI

public static final int DRI

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DQT

public static final int DQT

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Constant Field Values

EOI

public static final int EOI

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Constant Field Values

EXP

public static final int EXP

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Constant Field Values

JPG

public static final int JPG

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JPG0

public static final int JPG0

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JPG13

public static final int JPG13

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RST0

public static final int RST0

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RST1

public static final int RST1

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RST2

public static final int RST2

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RST3

public static final int RST3

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RST4

public static final int RST4

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RST5

public static final int RST5

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RST6

public static final int RST6

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RST7

public static final int RST7

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Constant Field Values

SOF0

public static final int SOF0

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SOF1

public static final int SOF1

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SOF2

public static final int SOF2

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SOF3

public static final int SOF3

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SOF5

public static final int SOF5

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SOF6

public static final int SOF6

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SOF7

public static final int SOF7

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SOF9

public static final int SOF9

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SOF10

public static final int SOF10

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SOF11

public static final int SOF11

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SOF13

public static final int SOF13

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SOF14

public static final int SOF14

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SOF15

public static final int SOF15

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SOI

public static final int SOI

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SOS

public static final int SOS

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TEM

public static final int TEM

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TQI

public static final int TQI

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HI

public static final int HI

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VI

public static final int VI

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CW

public static final int CW

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CH

public static final int CH

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DC

public static final int DC

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AC

public static final int AC

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ID_Y

public static final int ID_Y

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ID_CB

public static final int ID_CB

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ID_CR

public static final int ID_CR

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Constant Field Values

RGB16

public static final RGB[] RGB16

ExtendTest

public static final int[] ExtendTest

ExtendOffset

public static final int[] ExtendOffset

ZigZag8x8

public static final int[] ZigZag8x8

CrRTable

public static final int[] CrRTable

CbBTable

public static final int[] CbBTable

CrGTable

public static final int[] CrGTable

CbGTable

public static final int[] CbGTable

RYTable

public static final int[] RYTable

GYTable

public static final int[] GYTable

BYTable

public static final int[] BYTable

RCbTable

public static final int[] RCbTable

GCbTable

public static final int[] GCbTable

BCbTable

public static final int[] BCbTable

RCrTable

public static final int[] RCrTable

GCrTable

public static final int[] GCrTable

BCrTable

public static final int[] BCrTable

NBitsTable

public static final int[] NBitsTable

Constructor Detail

JPEGFileFormat

public JPEGFileFormat()

Method Detail

compress

void compress(ImageData image,
            byte[] dataYComp,
            byte[] dataCbComp,
            byte[] dataCrComp)

convert4BitRGBToYCbCr

void convert4BitRGBToYCbCr(ImageData image)

convert8BitRGBToYCbCr

void convert8BitRGBToYCbCr(ImageData image)

convertCMYKToRGB

byte[] convertCMYKToRGB()

convertImageToYCbCr

void convertImageToYCbCr(ImageData image)

convertMultiRGBToYCbCr

void convertMultiRGBToYCbCr(ImageData image)

convertYToRGB

byte[] convertYToRGB()

convertYCbCrToRGB

byte[] convertYCbCrToRGB()

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()

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

ImageData[] loadFromByteStream()

Specified by:

loadFromByteStream in class FileFormat

createImageData

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

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(ImageLoader loader)

Specified by:

unloadIntoByteStream in class FileFormat