uk.co.mmscomputing.imageio.jpeg
Class JPEGInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          uk.co.mmscomputing.io.IntFilterInputStream
              uk.co.mmscomputing.imageio.jpeg.JPEGInputStream

All Implemented Interfaces:

java.io.Closeable, JPEGConstants

Direct Known Subclasses:

JFIFInputStream

public class JPEGInputStream
extends IntFilterInputStream
implements JPEGConstants

Field Summary

protected JPEGHuffmanInputStream[]	acins
protected int	bps
protected JPEGComponentInputStream[]	compins
protected JPEGHuffmanInputStream[]	dcins
protected int	height
protected int	maxHor
protected int	maxVert
protected int	mcuCols
protected int	mcuHeight
protected int	mcuRows
protected int	mcuWidth
protected int	Ri
protected JPEGComponentInputStream[]	scanins
protected int	spp
protected int	width

Fields inherited from interface uk.co.mmscomputing.imageio.jpeg.JPEGConstants

APP0, APP1, APP10, APP11, APP12, APP13, APP14, APP15, APP2, APP3, APP4, APP5, APP6, APP7, APP8, APP9, COM, CQT, CQT2, DAC, DCTBlockSize, DCTSize, DHP, DHT, DNL, DQT, DRI, EOI, EXP, HCACTable, HCDCTable, HLACTable, HLDCTable, IZigZagTable, JPG, JPG0, JPG1, JPG10, JPG11, JPG12, JPG13, JPG2, JPG3, JPG4, JPG5, JPG6, JPG7, JPG8, JPG9, LQT, LQT2, MARK, RST0, RST1, RST2, RST3, RST4, RST5, RST6, RST7, SOF0, SOF1, SOF10, SOF11, SOF13, SOF14, SOF15, SOF2, SOF3, SOF5, SOF6, SOF7, SOF9, SOI, SOS, TEM, ZigZagTable

Constructor Summary

JPEGInputStream(java.io.InputStream input)

JPEGInputStream(java.io.InputStream input, int[][] qts, JPEGHuffmanInputStream[] dcins, JPEGHuffmanInputStream[] acins)

Method Summary

void	app0(java.io.InputStream in)
void	app1(java.io.InputStream in)
void	app10(java.io.InputStream in)
void	app11(java.io.InputStream in)
void	app12(java.io.InputStream in)
void	app13(java.io.InputStream in)
void	app14(java.io.InputStream in)
void	app15(java.io.InputStream in)
void	app2(java.io.InputStream in)
void	app3(java.io.InputStream in)
void	app4(java.io.InputStream in)
void	app5(java.io.InputStream in)
void	app6(java.io.InputStream in)
void	app7(java.io.InputStream in)
void	app8(java.io.InputStream in)
void	app9(java.io.InputStream in)
void	comment(java.io.InputStream in)
void	defineArithmeticConditioning(java.io.InputStream in)
void	defineHierarchicalProgression(java.io.InputStream in)
void	defineHuffmanTables(java.io.InputStream tables)
void	defineNumberOfLines(java.io.InputStream in)
void	defineQuantizationTables(java.io.InputStream in)
void	defineRestartInterval(java.io.InputStream in)
protected void	dump(java.io.InputStream in)
void	endOfImage()
void	expandReferenceComponents(java.io.InputStream in)
JPEGHuffmanInputStream[]	getACIns()
JPEGHuffmanInputStream[]	getDCIns()
int	getHeight()
int	getNumComponents()
int[][]	getQTs()
int	getWidth()
int	read()
int	read(byte[] buf, int off, int len)
int	read(int[] buf, int off, int len)
protected int	readIn(java.io.InputStream in)
void	restartIntervalTermination(int no)
void	startOfFrame(java.io.InputStream in, int mode)
void	startOfImage()
void	startOfScan(java.io.InputStream in)

Methods inherited from class uk.co.mmscomputing.io.IntFilterInputStream

read, setIn

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

bps

protected int bps

height

protected int height

width

protected int width

maxHor

protected int maxHor

maxVert

protected int maxVert

mcuHeight

protected int mcuHeight

mcuWidth

protected int mcuWidth

mcuRows

protected int mcuRows

mcuCols

protected int mcuCols

spp

protected int spp

dcins

protected JPEGHuffmanInputStream[] dcins

acins

protected JPEGHuffmanInputStream[] acins

compins

protected JPEGComponentInputStream[] compins

scanins

protected JPEGComponentInputStream[] scanins

Ri

protected int Ri

Constructor Detail

JPEGInputStream

public JPEGInputStream(java.io.InputStream input)
                throws java.io.IOException

Throws:

java.io.IOException

JPEGInputStream

public JPEGInputStream(java.io.InputStream input,
                       int[][] qts,
                       JPEGHuffmanInputStream[] dcins,
                       JPEGHuffmanInputStream[] acins)
                throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getQTs

public int[][] getQTs()

getDCIns

public JPEGHuffmanInputStream[] getDCIns()

getACIns

public JPEGHuffmanInputStream[] getACIns()

getHeight

public int getHeight()

getWidth

public int getWidth()

getNumComponents

public int getNumComponents()

readIn

protected int readIn(java.io.InputStream in)
              throws java.io.IOException

Throws:

java.io.IOException

startOfFrame

public void startOfFrame(java.io.InputStream in,
                         int mode)
                  throws java.io.IOException

Throws:

java.io.IOException

defineHuffmanTables

public void defineHuffmanTables(java.io.InputStream tables)
                         throws java.io.IOException

Throws:

java.io.IOException

defineArithmeticConditioning

public void defineArithmeticConditioning(java.io.InputStream in)
                                  throws java.io.IOException

Throws:

java.io.IOException

restartIntervalTermination

public void restartIntervalTermination(int no)
                                throws java.io.IOException

Throws:

java.io.IOException

startOfImage

public void startOfImage()

endOfImage

public void endOfImage()

startOfScan

public void startOfScan(java.io.InputStream in)
                 throws java.io.IOException

Throws:

java.io.IOException

defineQuantizationTables

public void defineQuantizationTables(java.io.InputStream in)
                              throws java.io.IOException

Throws:

java.io.IOException

defineNumberOfLines

public void defineNumberOfLines(java.io.InputStream in)
                         throws java.io.IOException

Throws:

java.io.IOException

defineRestartInterval

public void defineRestartInterval(java.io.InputStream in)
                           throws java.io.IOException

Throws:

java.io.IOException

defineHierarchicalProgression

public void defineHierarchicalProgression(java.io.InputStream in)
                                   throws java.io.IOException

Throws:

java.io.IOException

expandReferenceComponents

public void expandReferenceComponents(java.io.InputStream in)
                               throws java.io.IOException

Throws:

java.io.IOException

dump

protected void dump(java.io.InputStream in)
             throws java.io.IOException

Throws:

java.io.IOException

app0

public void app0(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app1

public void app1(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app2

public void app2(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app3

public void app3(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app4

public void app4(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app5

public void app5(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app6

public void app6(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app7

public void app7(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app8

public void app8(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app9

public void app9(java.io.InputStream in)
          throws java.io.IOException

Throws:

java.io.IOException

app10

public void app10(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

app11

public void app11(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

app12

public void app12(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

app13

public void app13(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

app14

public void app14(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

app15

public void app15(java.io.InputStream in)
           throws java.io.IOException

Throws:

java.io.IOException

comment

public void comment(java.io.InputStream in)
             throws java.io.IOException

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException

read

public int read(int[] buf,
                int off,
                int len)
         throws java.io.IOException

Specified by:

read in class IntFilterInputStream

Throws:

java.io.IOException

read

public int read(byte[] buf,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.FilterInputStream

Throws:

java.io.IOException