com.imagero.uio.io
Class BitDataOutputStream

java.lang.Object
  com.imagero.uio.FilterDataOutput
      com.imagero.uio.io.BitDataOutputStream

All Implemented Interfaces:

java.io.DataOutput

public class BitDataOutputStream

extends FilterDataOutput

adds ability to write streams bitwise

Field Summary

protected int	bitbuf
protected int	fillByte
protected byte[]	flipTable
protected boolean	invertBitOrder
protected static int[]	mask
protected int	vbits

Fields inherited from class com.imagero.uio.FilterDataOutput

out

Constructor Summary

BitDataOutputStream(java.io.DataOutput out)

Method Summary

void	flush() writes bits from buffer to output stream
int	getBitsToWrite()
int	getFillByte() get fill byte used to adjust stream to byte boundary.
boolean	isInvertBitOrder()
void	setBitsToWrite(int bitsToWrite) set how much bits should be written to stream every write() call
void	setFillByte(int fillByte) set fill byte used to adjust stream to byte boundary
void	setInvertBitOrder(boolean invertBitOrder)
void	write(int b) Writes some bits from the specified int to stream.
void	write(int b, int nbits) Writes some bits from the specified int to stream.
protected void	write8()

Methods inherited from class com.imagero.uio.FilterDataOutput

write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.lang.Object

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

Field Detail

mask

protected static final int[] mask

bitbuf

protected int bitbuf

vbits

protected int vbits

flipTable

protected byte[] flipTable

invertBitOrder

protected boolean invertBitOrder

fillByte

protected int fillByte

Constructor Detail

BitDataOutputStream

public BitDataOutputStream(java.io.DataOutput out)

Method Detail

getBitsToWrite

public int getBitsToWrite()

setBitsToWrite

public void setBitsToWrite(int bitsToWrite)

set how much bits should be written to stream every write() call

Parameters:

bitsToWrite -

isInvertBitOrder

public boolean isInvertBitOrder()

setInvertBitOrder

public void setInvertBitOrder(boolean invertBitOrder)

write

public void write(int b)
           throws java.io.IOException

Writes some bits from the specified int to stream.

Specified by:

write in interface java.io.DataOutput

Overrides:

write in class FilterDataOutput

Parameters:

b - int which should be written

Throws:

java.io.IOException - if an I/O error occurs

See Also:

setBitsToWrite(int), getBitsToWrite()

write

public void write(int b,
                  int nbits)
           throws java.io.IOException

Writes some bits from the specified int to stream.

Parameters:

b - int which should be written

nbits - bit count to write

Throws:

java.io.IOException - if an I/O error occurs

write8

protected void write8()
               throws java.io.IOException

Throws:

java.io.IOException

getFillByte

public int getFillByte()

get fill byte used to adjust stream to byte boundary.

Returns:

int

setFillByte

public void setFillByte(int fillByte)

set fill byte used to adjust stream to byte boundary

Parameters:

fillByte - int

flush

public void flush()
           throws java.io.IOException

writes bits from buffer to output stream

Throws:

java.io.IOException - if I/O error occurs