Package gov.nih.mipav.model.file

Class FileTiff.JPEGFastDCTInputStream

java.lang.Object

java.io.InputStream

gov.nih.mipav.model.file.FileTiff.JPEGACInputStream

gov.nih.mipav.model.file.FileTiff.JPEGDCTInputStream

gov.nih.mipav.model.file.FileTiff.JPEGFastDCTInputStream

All Implemented Interfaces:

FileTiff.JPEGConstants, Closeable, AutoCloseable

Enclosing class:

FileTiff

public class FileTiff.JPEGFastDCTInputStream
extends FileTiff.JPEGDCTInputStream

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	ALLBITS
private final int	C4
private final int	C4C6
private final int	C4Q
private final int	C4R
private final int	C6
private static final int	CONST_BITS
protected int[]	matr2
private final int	Q
private final int	R
private static final int	TWO
private static final int	VAL_BITS

Fields inherited from class gov.nih.mipav.model.file.FileTiff.JPEGDCTInputStream

dc, levelshift, matr1, negclamp, posclamp

Fields inherited from class gov.nih.mipav.model.file.FileTiff.JPEGACInputStream

buffer, count, in, qt

Fields inherited from interface gov.nih.mipav.model.file.FileTiff.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

Constructors

Constructor	Description
JPEGFastDCTInputStream(FileTiff.JPEGHuffmanInputStream dc, FileTiff.JPEGHuffmanInputStream ac, int[] qt, int bps)

Method Summary

Modifier and Type	Method	Description
private int	compute(double val)
void	inverseDCT(int[] buffer)
(package private) void	normalize(int[] qt)

Methods inherited from class gov.nih.mipav.model.file.FileTiff.JPEGDCTInputStream

fillBuffer, getBuffer, levelShift, read, restart

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Field Details

CONST_BITS

private static final int CONST_BITS

See Also:

• Constant Field Values

VAL_BITS

private static final int VAL_BITS

See Also:

• Constant Field Values

ALLBITS

private static final int ALLBITS

See Also:

• Constant Field Values

TWO

private static final int TWO

See Also:

• Constant Field Values

C6

private final int C6

C4C6

private final int C4C6

C4

private final int C4

Q

private final int Q

C4Q

private final int C4Q

R

private final int R

C4R

private final int C4R

matr2

protected int[] matr2

Constructor Details

JPEGFastDCTInputStream

public JPEGFastDCTInputStream(FileTiff.JPEGHuffmanInputStream dc,
 FileTiff.JPEGHuffmanInputStream ac,
 int[] qt,
 int bps)

Method Details

compute

private int compute(double val)

inverseDCT

public void inverseDCT(int[] buffer)

Overrides:

inverseDCT in class FileTiff.JPEGDCTInputStream

normalize

void normalize(int[] qt)