Package edu.wisc.ssec.mcidasv.util

Class LZWEncoder

java.lang.Object

edu.wisc.ssec.mcidasv.util.LZWEncoder

class LZWEncoder
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	a_count
(package private) byte[]	accum
(package private) static final int	BITS
(package private) boolean	clear_flg
(package private) int	ClearCode
(package private) int[]	codetab
(package private) int	cur_accum
(package private) int	cur_bits
private int	curPixel
private static final int	EOF
(package private) int	EOFCode
(package private) int	free_ent
(package private) int	g_init_bits
(package private) int	hsize
(package private) static final int	HSIZE
(package private) int[]	htab
private int	imgH
private int	imgW
private int	initCodeSize
(package private) int[]	masks
(package private) int	maxbits
(package private) int	maxcode
(package private) int	maxmaxcode
(package private) int	n_bits
private byte[]	pixAry
private int	remaining

Constructor Summary

Constructors

Constructor	Description
LZWEncoder(int width, int height, byte[] pixels, int color_depth)

Method Summary

Modifier and Type	Method	Description
(package private) void	char_out(byte c, OutputStream outs)
(package private) void	cl_block(OutputStream outs)
(package private) void	cl_hash(int hsize)
(package private) void	compress(int init_bits, OutputStream outs)
(package private) void	encode(OutputStream os)
(package private) void	flush_char(OutputStream outs)
(package private) final int	MAXCODE(int n_bits)
private int	nextPixel()
(package private) void	output(int code, OutputStream outs)

Methods inherited from class java.lang.Object

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

Field Details

EOF

private static final int EOF

See Also:

• Constant Field Values

imgW

private int imgW

imgH

private int imgH

pixAry

private byte[] pixAry

initCodeSize

private int initCodeSize

remaining

private int remaining

curPixel

private int curPixel

BITS

static final int BITS

See Also:

• Constant Field Values

HSIZE

static final int HSIZE

See Also:

• Constant Field Values

n_bits

int n_bits

maxbits

int maxbits

maxcode

int maxcode

maxmaxcode

int maxmaxcode

htab

int[] htab

codetab

int[] codetab

hsize

int hsize

free_ent

int free_ent

clear_flg

boolean clear_flg

g_init_bits

int g_init_bits

ClearCode

int ClearCode

EOFCode

int EOFCode

cur_accum

int cur_accum

cur_bits

int cur_bits

masks

int[] masks

a_count

int a_count

accum

byte[] accum

Constructor Details

LZWEncoder

LZWEncoder(int width,
 int height,
 byte[] pixels,
 int color_depth)

Method Details

char_out

void char_out(byte c,
 OutputStream outs)
       throws IOException

Throws:

IOException

cl_block

void cl_block(OutputStream outs)
       throws IOException

Throws:

IOException

cl_hash

void cl_hash(int hsize)

compress

void compress(int init_bits,
 OutputStream outs)
       throws IOException

Throws:

IOException

encode

void encode(OutputStream os)
     throws IOException

Throws:

IOException

flush_char

void flush_char(OutputStream outs)
         throws IOException

Throws:

IOException

MAXCODE

final int MAXCODE(int n_bits)

nextPixel

private int nextPixel()

output

void output(int code,
 OutputStream outs)
     throws IOException

Throws:

IOException