gifencode.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for gifencode.c:

Macros
#define	ARGS(alist)   ()
#define	BITS   12 /* largest code size */
#define	HSIZE   5003 /* hash table size */
#define	put_byte(A)   (*put_b)((byte)(A)); Nbyte++
#define	SHIFT   4 /* shift for hashing */
#define	THELIMIT   4096 /* NEVER generate this */

Typedefs
typedef unsigned char	byte

Functions
static void	char_flush ()
static void	char_init ()
static void	char_out ()
static void	char_out (int c)
long	GIFencode (int Width, int Height, int Ncol, byte R[], byte G[], byte B[], byte ScLine[], void(*get_scline)(), void(*pb)())
static void	output ()
static void	output (int code)
static void	put_short ()
static void	put_short (int word)

Variables
static int	a_count
static char	accum [256]
static int	BitsPixel
static int	ClearCode
static int	CodeTab [5003]
static unsigned long	cur_accum
static int	cur_bits
static int	CurCodeSize
static int	CurMaxCode
static int	EOFCode
static int	FreeCode
static long	HashTab [5003]
static int	IniCodeSize
static unsigned long	masks []
static long	Nbyte
static void(*	put_b )()

Macro Definition Documentation

ARGS

#define ARGS

(

alist

)

()

Definition at line 10 of file gifencode.c.

BITS

#define BITS   12 /* largest code size */

Definition at line 13 of file gifencode.c.

HSIZE

#define HSIZE   5003 /* hash table size */

Definition at line 15 of file gifencode.c.

put_byte

#define put_byte

(

A

)

(*put_b)((byte)(A)); Nbyte++

Definition at line 18 of file gifencode.c.

SHIFT

#define SHIFT   4 /* shift for hashing */

Definition at line 16 of file gifencode.c.

THELIMIT

#define THELIMIT   4096 /* NEVER generate this */

Definition at line 14 of file gifencode.c.

Typedef Documentation

byte

typedef unsigned char byte

Definition at line 20 of file gifencode.c.

Function Documentation

char_flush()

static void char_flush ( )

static

Definition at line 285 of file gifencode.c.

char_init()

static void char_init ( )

static

Definition at line 271 of file gifencode.c.

char_out() [1/2]

static void char_out ( )

static

char_out() [2/2]

static void char_out ( int  c )

static

Definition at line 278 of file gifencode.c.

GIFencode()

long GIFencode	(	int	Width,
		int	Height,
		int	Ncol,
		byte	R[],
		byte	G[],
		byte	B[],
		byte	ScLine[],
		void(*)()	get_scline,
		void(*)()	pb
	)

Definition at line 63 of file gifencode.c.

output() [1/2]

static void output ( )

static

output() [2/2]

static void output ( int  code )

static

Definition at line 224 of file gifencode.c.

put_short() [1/2]

static void put_short ( )

static

put_short() [2/2]

static void put_short ( int  word )

static

Definition at line 297 of file gifencode.c.

Variable Documentation

a_count

int a_count

static

Definition at line 207 of file gifencode.c.

accum

char accum[256]

static

Definition at line 208 of file gifencode.c.

BitsPixel

int BitsPixel

static

Definition at line 25 of file gifencode.c.

ClearCode

int ClearCode

static

Definition at line 29 of file gifencode.c.

CodeTab

int CodeTab[5003]

static

Definition at line 23 of file gifencode.c.

cur_accum

unsigned long cur_accum

static

Definition at line 205 of file gifencode.c.

cur_bits

int cur_bits

static

Definition at line 206 of file gifencode.c.

CurCodeSize

int CurCodeSize

static

Definition at line 27 of file gifencode.c.

CurMaxCode

int CurMaxCode

static

Definition at line 28 of file gifencode.c.

EOFCode

int EOFCode

static

Definition at line 30 of file gifencode.c.

FreeCode

int FreeCode

static

Definition at line 31 of file gifencode.c.

HashTab

long HashTab[5003]

static

Definition at line 22 of file gifencode.c.

IniCodeSize

int IniCodeSize

static

Definition at line 26 of file gifencode.c.

masks

unsigned long masks[]

static

Initial value:

= { 0x0000,
                                 0x0001, 0x0003, 0x0007, 0x000F,
                                 0x001F, 0x003F, 0x007F, 0x00FF,
                                 0x01FF, 0x03FF, 0x07FF, 0x0FFF,
                                 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF }

Definition at line 209 of file gifencode.c.

Nbyte

long Nbyte

static

Definition at line 33 of file gifencode.c.

put_b

void(* put_b) () ( )

static

Definition at line 34 of file gifencode.c.