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Interface BitReader

All Known Implementing Classes:

BitInputStream

public interface BitReader

Method Summary

Modifier and Type	Method and Description
boolean	bit() Read one bit.
long	nrBits() Returns the number of bits that have been read from this bitreader.
boolean	pad(int width) Check that the rest of the block has been padded with zeros.
int	read(int width) Read some bits.

Method Detail

bit

boolean bit()
     throws IOException

Read one bit.

Returns:

true if it is a 1 bit.

Throws:

IOException

nrBits

long nrBits()

Returns the number of bits that have been read from this bitreader.

Returns:

The number of bits read so far.

pad

boolean pad(int width)
     throws IOException

Check that the rest of the block has been padded with zeros.

Parameters:

width - The size in bits of the block to pad. This will typically be 8, 16, 32, 64, 128, 256, etc.

Returns:

true if the block was zero padded, or false if the the padding contained any one bits.

Throws:

IOException

read

int read(int width)
  throws IOException

Read some bits.

Parameters:

width - The number of bits to read. (0..32)

Returns:

the bits

Throws:

IOException