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 put_b	ARGS ((byte))
static void output	ARGS ((int))
static void	char_flush ()
static void	char_init ()
static void	char_out (int c)
long	GIFencode (void *int, void *int, void *int, R, G, B, ScLine, void *get_scline, pb)
static void	output (int code)
static void	put_short (int word)

Variables
static int	a_count
static char	accum [256]
static int	BitsPixel
static int	ClearCode
static int	CodeTab [HSIZE]
static unsigned long	cur_accum
static int	cur_bits
static int	CurCodeSize
static int	CurMaxCode
static int	EOFCode
static int	FreeCode
static long	HashTab [HSIZE]
static int	IniCodeSize
static unsigned long	masks []
static long	Nbyte

Macro Definition Documentation

#define ARGS

(

alist

)

()

Definition at line 10 of file gifencode.c.

#define BITS   12 /* largest code size */

Definition at line 13 of file gifencode.c.

#define HSIZE   5003 /* hash table size */

Definition at line 15 of file gifencode.c.

#define put_byte

(

A

)

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

Definition at line 18 of file gifencode.c.

#define SHIFT   4 /* shift for hashing */

Definition at line 16 of file gifencode.c.

#define THELIMIT   4096 /* NEVER generate this */

Definition at line 14 of file gifencode.c.

Typedef Documentation

typedef unsigned char byte

Definition at line 20 of file gifencode.c.

Function Documentation

static void put_b ARGS ( (byte)  )

static

static void put_short ARGS ( (int)  )

static

static void char_flush ( )

static

Definition at line 289 of file gifencode.c.

static void char_init ( )

static

Definition at line 274 of file gifencode.c.

static void char_out ( int  c )

static

Definition at line 281 of file gifencode.c.

long GIFencode	(	void *	int,
		void *	int,
		void *	int,
		R	,
		G	,
		B	,
		ScLine	,
		void *	get_scline,
		pb
	)

Definition at line 63 of file gifencode.c.

static void output ( int  code )

static

Definition at line 226 of file gifencode.c.

static void put_short ( int  word )

static

Definition at line 301 of file gifencode.c.

Variable Documentation

int a_count

static

Definition at line 209 of file gifencode.c.

char accum[256]

static

Definition at line 210 of file gifencode.c.

int BitsPixel

static

Definition at line 25 of file gifencode.c.

int ClearCode

static

Definition at line 25 of file gifencode.c.

int CodeTab[HSIZE]

static

Definition at line 23 of file gifencode.c.

unsigned long cur_accum

static

Definition at line 207 of file gifencode.c.

int cur_bits

static

Definition at line 208 of file gifencode.c.

int CurCodeSize

static

Definition at line 25 of file gifencode.c.

int CurMaxCode

static

Definition at line 25 of file gifencode.c.

int EOFCode

static

Definition at line 25 of file gifencode.c.

int FreeCode

static

Definition at line 25 of file gifencode.c.

long HashTab[HSIZE]

static

Definition at line 22 of file gifencode.c.

int IniCodeSize

static

Definition at line 25 of file gifencode.c.

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 211 of file gifencode.c.

long Nbyte

static

Definition at line 33 of file gifencode.c.