ftzopen.h File Reference

#include <ft2build.h>

Go to the source code of this file.

Classes
struct	FT_LzwStateRec_

Macros
#define	FT_LZW_IN_BUFF_SIZE   64
#define	FT_LZW_DEFAULT_STACK_SIZE   64
#define	LZW_INIT_BITS   9
#define	LZW_MAX_BITS   16
#define	LZW_CLEAR   256
#define	LZW_FIRST   257
#define	LZW_BIT_MASK   0x1f
#define	LZW_BLOCK_MASK   0x80
#define	LZW_MASK(n)   ( ( 1U << (n) ) - 1U )

Typedefs
typedef enum FT_LzwPhase_	FT_LzwPhase
typedef struct FT_LzwStateRec_	FT_LzwStateRec
typedef struct FT_LzwStateRec_ *	FT_LzwState

Enumerations
enum	FT_LzwPhase_ { FT_LZW_PHASE_START = 0, FT_LZW_PHASE_CODE, FT_LZW_PHASE_STACK, FT_LZW_PHASE_EOF }

Functions
	ft_lzwstate_init (FT_LzwState state, FT_Stream source)
	ft_lzwstate_done (FT_LzwState state)
	ft_lzwstate_reset (FT_LzwState state)
	ft_lzwstate_io (FT_LzwState state, FT_Byte *buffer, FT_ULong out_size)

Macro Definition Documentation

FT_LZW_DEFAULT_STACK_SIZE

#define FT_LZW_DEFAULT_STACK_SIZE   64

Definition at line 36 of file ftzopen.h.

FT_LZW_IN_BUFF_SIZE

#define FT_LZW_IN_BUFF_SIZE   64

Definition at line 35 of file ftzopen.h.

LZW_BIT_MASK

#define LZW_BIT_MASK   0x1f

Definition at line 44 of file ftzopen.h.

Referenced by ft_lzwstate_io().

LZW_BLOCK_MASK

#define LZW_BLOCK_MASK   0x80

Definition at line 45 of file ftzopen.h.

Referenced by ft_lzwstate_io().

LZW_CLEAR

#define LZW_CLEAR   256

Definition at line 41 of file ftzopen.h.

Referenced by ft_lzwstate_io().

LZW_FIRST

#define LZW_FIRST   257

Definition at line 42 of file ftzopen.h.

Referenced by ft_lzwstate_io().

LZW_INIT_BITS

#define LZW_INIT_BITS   9

Definition at line 38 of file ftzopen.h.

Referenced by ft_lzwstate_io(), and ft_lzwstate_reset().

LZW_MASK

#define LZW_MASK

(

n

)

( ( 1U << (n) ) - 1U )

Definition at line 46 of file ftzopen.h.

LZW_MAX_BITS

#define LZW_MAX_BITS   16

Definition at line 39 of file ftzopen.h.

Referenced by ft_lzwstate_io().

Typedef Documentation

FT_LzwPhase

typedef enum FT_LzwPhase_ FT_LzwPhase

FT_LzwState

typedef struct FT_LzwStateRec_ * FT_LzwState

FT_LzwStateRec

typedef struct FT_LzwStateRec_ FT_LzwStateRec

Enumeration Type Documentation

FT_LzwPhase_

enum FT_LzwPhase_

Enumerator
FT_LZW_PHASE_START
FT_LZW_PHASE_CODE
FT_LZW_PHASE_STACK
FT_LZW_PHASE_EOF

Definition at line 49 of file ftzopen.h.

Function Documentation

ft_lzwstate_done()

ft_lzwstate_done

(

FT_LzwState

state

)

Definition at line 219 of file ftzopen.c.

References FT_FREE, ft_lzwstate_reset(), FT_ZERO, and NULL.

ft_lzwstate_init()

ft_lzwstate_init	(	FT_LzwState	state,
		FT_Stream	source
	)

Definition at line 199 of file ftzopen.c.

References FT_LOCAL_DEF, ft_lzwstate_reset(), FT_ZERO, and NULL.

ft_lzwstate_io()

ft_lzwstate_io	(	FT_LzwState	state,
		FT_Byte *	buffer,
		FT_ULong	out_size
	)

Definition at line 247 of file ftzopen.c.

References FT_LZW_PHASE_START, FT_Stream_Seek(), FT_Stream_TryRead(), LZW_BIT_MASK, LZW_BLOCK_MASK, LZW_CLEAR, LZW_FIRST, LZW_INIT_BITS, and LZW_MAX_BITS.

ft_lzwstate_reset()

ft_lzwstate_reset

(

FT_LzwState

state

)

Definition at line 185 of file ftzopen.c.

References FT_LOCAL_DEF, FT_LZW_PHASE_START, and LZW_INIT_BITS.

Referenced by ft_lzwstate_done(), and ft_lzwstate_init().