loci.formats.codec

Class NikonCodec

java.lang.Object

loci.formats.codec.BaseCodec

loci.formats.codec.NikonCodec

All Implemented Interfaces:

Codec

public class NikonCodec
extends BaseCodec

This class implements Nikon decompression. Compression is not yet implemented. Decompression logic is adapted from the jrawio project, http://jrawio.dev.java.net

Author:

Melissa Linkert melissa at glencoesoftware.com

Field Summary

Fields

Modifier and Type	Field and Description
private static int[]	DEFAULT_LINEARIZATION_TABLE
private static short[]	LOSSLESS_DECODER_CONFIGURATION_12
private static short[]	LOSSLESS_DECODER_CONFIGURATION_14
private static short[]	LOSSY_DECODER_CONFIGURATION_12
private static short[]	LOSSY_DECODER_CONFIGURATION_14
private static short[]	SPLIT_LOSSY_DECODER_CONFIGURATION_12
private static short[]	SPLIT_LOSSY_DECODER_CONFIGURATION_14

Fields inherited from class loci.formats.codec.BaseCodec

LOGGER

Constructor Summary

Constructors

Constructor and Description
NikonCodec()

Method Summary

Modifier and Type	Method and Description
byte[]	compress(byte[] data, CodecOptions options) Compresses a block of data.
byte[]	decompress(loci.common.RandomAccessInputStream in, CodecOptions options) The CodecOptions parameter must be an instance of NikonCodecOptions, and should have the following fields set: lossless vPredictor curve split bitsPerSample maxBytes width height

Methods inherited from class loci.formats.codec.BaseCodec

compress, decompress, decompress, decompress, decompress, test

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LINEARIZATION_TABLE

private static final int[] DEFAULT_LINEARIZATION_TABLE

LOSSY_DECODER_CONFIGURATION_12

private static final short[] LOSSY_DECODER_CONFIGURATION_12

SPLIT_LOSSY_DECODER_CONFIGURATION_12

private static final short[] SPLIT_LOSSY_DECODER_CONFIGURATION_12

LOSSLESS_DECODER_CONFIGURATION_12

private static final short[] LOSSLESS_DECODER_CONFIGURATION_12

LOSSY_DECODER_CONFIGURATION_14

private static final short[] LOSSY_DECODER_CONFIGURATION_14

SPLIT_LOSSY_DECODER_CONFIGURATION_14

private static final short[] SPLIT_LOSSY_DECODER_CONFIGURATION_14

LOSSLESS_DECODER_CONFIGURATION_14

private static final short[] LOSSLESS_DECODER_CONFIGURATION_14

Constructor Detail

NikonCodec

public NikonCodec()

Method Detail

compress

public byte[] compress(byte[] data,
                       CodecOptions options)
                throws FormatException

Description copied from interface: Codec

Compresses a block of data.

Parameters:

data - The data to be compressed.

options - Options to be used during compression, if appropriate.

Returns:

The compressed data.

Throws:

FormatException - If input is not a compressed data block of the appropriate type.

decompress

public byte[] decompress(loci.common.RandomAccessInputStream in,
                         CodecOptions options)
                  throws FormatException,
                         java.io.IOException

The CodecOptions parameter must be an instance of NikonCodecOptions, and should have the following fields set: lossless vPredictor curve split bitsPerSample maxBytes width height

Specified by:

decompress in interface Codec

Specified by:

decompress in class BaseCodec

Parameters:

in - The stream from which to read compressed data.

options - Options to be used during decompression.

Returns:

The decompressed data.

Throws:

FormatException - If data is not valid compressed data for this decompressor.

java.io.IOException

See Also:

Codec.decompress(RandomAccessInputStream, CodecOptions)