jchuff.cpp File Reference

#include "jinclude.h"
#include "jpeglib.h"
#include "jchuff.h"

Classes
struct	savable_state
struct	huff_entropy_encoder
struct	working_state

Macros
#define	JPEG_INTERNALS
#define	ASSIGN_STATE(dest, src)   ((dest) = (src))
#define	emit_byte(state, val, action)

Typedefs
typedef huff_entropy_encoder *	huff_entropy_ptr

Functions
	METHODDEF (boolean) encode_mcu_huff JPP((j_compress_ptr cinfo
	METHODDEF (void) finish_pass_huff JPP((j_compress_ptr cinfo))
	start_pass_huff (j_compress_ptr cinfo, boolean gather_statistics)
	jpeg_make_c_derived_tbl (j_compress_ptr cinfo, boolean isDC, int tblno, c_derived_tbl **pdtbl)
	dump_buffer (working_state *state)
	emit_bits (working_state *state, unsigned int code, int size)
	flush_bits (working_state *state)
	encode_one_block (working_state *state, JCOEFPTR block, int last_dc_val, c_derived_tbl *dctbl, c_derived_tbl *actbl)
	emit_restart (working_state *state, int restart_num)
	encode_mcu_huff (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	finish_pass_huff (j_compress_ptr cinfo)
	jinit_huff_encoder (j_compress_ptr cinfo)

Variables
JBLOCKROW *	MCU_data

Macro Definition Documentation

ASSIGN_STATE

#define ASSIGN_STATE	(		dest,
			src )   ((dest) = (src))

emit_byte

#define emit_byte	(		state,
			val,
			action )

Value:

{ *(state)->next_output_byte++ = (JOCTET) (val);  \
    if (--(state)->free_in_buffer == 0)  \
    if (! dump_buffer(state))  \
{ action; } }

JPEG_INTERNALS

#define JPEG_INTERNALS

Typedef Documentation

huff_entropy_ptr

typedef huff_entropy_encoder* huff_entropy_ptr

Function Documentation

dump_buffer()

dump_buffer

(

working_state *

state

)

emit_bits()

emit_bits	(	working_state *	state,
		unsigned int	code,
		int	size )

emit_restart()

emit_restart	(	working_state *	state,
		int	restart_num )

encode_mcu_huff()

encode_mcu_huff	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data )

encode_one_block()

encode_one_block	(	working_state *	state,
		JCOEFPTR	block,
		int	last_dc_val,
		c_derived_tbl *	dctbl,
		c_derived_tbl *	actbl )

finish_pass_huff()

finish_pass_huff

(

j_compress_ptr

cinfo

)

flush_bits()

flush_bits

(

working_state *

state

)

jinit_huff_encoder()

jinit_huff_encoder

(

j_compress_ptr

cinfo

)

jpeg_make_c_derived_tbl()

jpeg_make_c_derived_tbl	(	j_compress_ptr	cinfo,
		boolean	isDC,
		int	tblno,
		c_derived_tbl **	pdtbl )

METHODDEF() [1/2]

METHODDEF

(

boolean

)

METHODDEF() [2/2]

METHODDEF

(

void

)

start_pass_huff()

start_pass_huff	(	j_compress_ptr	cinfo,
		boolean	gather_statistics )

Variable Documentation

MCU_data

JBLOCKROW* MCU_data