程序包 io.springboot.captcha.utils

类 Encoder

java.lang.Object

io.springboot.captcha.utils.Encoder

public class Encoder
extends Object

字段概要

字段

修饰符和类型	字段	说明
(专用程序包) int	a_count
(专用程序包) byte[]	accum
(专用程序包) static final int	BITS
(专用程序包) boolean	clear_flg
(专用程序包) int	ClearCode
(专用程序包) int[]	codetab
(专用程序包) int	cur_accum
(专用程序包) int	cur_bits
private int	curPixel
private static final int	EOF
(专用程序包) int	EOFCode
(专用程序包) int	free_ent
(专用程序包) int	g_init_bits
(专用程序包) int	hsize
(专用程序包) static final int	HSIZE
(专用程序包) int[]	htab
private int	imgH
private int	imgW
private int	initCodeSize
(专用程序包) int[]	masks
(专用程序包) int	maxbits
(专用程序包) int	maxcode
(专用程序包) int	maxmaxcode
(专用程序包) int	n_bits
private byte[]	pixAry
private int	remaining

构造器概要

构造器

构造器	说明
Encoder(int width, int height, byte[] pixels, int color_depth)

方法概要

修饰符和类型	方法	说明
(专用程序包) void	char_out(byte c, OutputStream outs)
(专用程序包) void	cl_block(OutputStream outs)
(专用程序包) void	cl_hash(int hsize)
(专用程序包) void	compress(int init_bits, OutputStream outs)
(专用程序包) void	encode(OutputStream os)
(专用程序包) void	flush_char(OutputStream outs)
(专用程序包) final int	MAXCODE(int n_bits)
private int	nextPixel()
(专用程序包) void	output(int code, OutputStream outs)

从类继承的方法 java.lang.Object

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

字段详细资料

EOF

private static final int EOF

另请参阅:

• 常量字段值

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

另请参阅:

• 常量字段值

HSIZE

static final int HSIZE

另请参阅:

• 常量字段值

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

构造器详细资料

Encoder

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

参数:

width - 宽度

height - 高度

pixels - 像素

color_depth - 颜色

方法详细资料

char_out

void char_out(byte c,
 OutputStream outs)
       throws IOException

参数:

c - 字节

outs - 输出流

抛出:

IOException - IO异常

cl_block

void cl_block(OutputStream outs)
       throws IOException

参数:

outs - 输出流

抛出:

IOException - IO异常

cl_hash

void cl_hash(int hsize)

参数:

hsize - int

compress

void compress(int init_bits,
 OutputStream outs)
       throws IOException

参数:

init_bits - int

outs - 输出流

抛出:

IOException - IO异常

encode

void encode(OutputStream os)
     throws IOException

参数:

os - 输出流

抛出:

IOException - IO异常

flush_char

void flush_char(OutputStream outs)
         throws IOException

参数:

outs - 输出流

抛出:

IOException - IO异常

MAXCODE

final int MAXCODE(int n_bits)

参数:

n_bits - int

返回:

int

nextPixel

private int nextPixel()

返回:

int

output

void output(int code,
 OutputStream outs)
     throws IOException

参数:

code - int

outs - 输出流

抛出:

IOException - IO异常