jpegint.h File Reference

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Classes
struct	jpeg_comp_master
struct	jpeg_c_main_controller
struct	jpeg_c_prep_controller
struct	jpeg_c_coef_controller
struct	jpeg_color_converter
struct	jpeg_downsampler
struct	jpeg_forward_dct
struct	jpeg_entropy_encoder
struct	jpeg_marker_writer
struct	jpeg_decomp_master
struct	jpeg_input_controller
struct	jpeg_d_main_controller
struct	jpeg_d_coef_controller
struct	jpeg_d_post_controller
struct	jpeg_marker_reader
struct	jpeg_entropy_decoder
struct	jpeg_inverse_dct
struct	jpeg_upsampler
struct	jpeg_color_deconverter
struct	jpeg_color_quantizer

Macros
#define	CSTATE_START   100 /* after create_compress */
#define	CSTATE_SCANNING   101 /* start_compress done, write_scanlines OK */
#define	CSTATE_RAW_OK   102 /* start_compress done, write_raw_data OK */
#define	CSTATE_WRCOEFS   103 /* jpeg_write_coefficients done */
#define	DSTATE_START   200 /* after create_decompress */
#define	DSTATE_INHEADER   201 /* reading header markers, no SOS yet */
#define	DSTATE_READY   202 /* found SOS, ready for start_decompress */
#define	DSTATE_PRELOAD   203 /* reading multiscan file in start_decompress*/
#define	DSTATE_PRESCAN   204 /* performing dummy pass for 2-pass quant */
#define	DSTATE_SCANNING   205 /* start_decompress done, read_scanlines OK */
#define	DSTATE_RAW_OK   206 /* start_decompress done, read_raw_data OK */
#define	DSTATE_BUFIMAGE   207 /* expecting jpeg_start_output */
#define	DSTATE_BUFPOST   208 /* looking for SOS/EOI in jpeg_finish_output */
#define	DSTATE_RDCOEFS   209 /* reading file in jpeg_read_coefficients */
#define	DSTATE_STOPPING   210 /* looking for EOI in jpeg_finish_decompress */
#define	MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))
#define	SHIFT_TEMPS
#define	RIGHT_SHIFT(x, shft)   ((x) >> (shft))

Enumerations
enum	J_BUF_MODE { JBUF_PASS_THRU, JBUF_SAVE_SOURCE, JBUF_CRANK_DEST, JBUF_SAVE_AND_PASS }

Functions
typedef	JMETHOD (void, inverse_DCT_method_ptr,(j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col))
EXTERN void jinit_compress_master	JPP ((j_compress_ptr cinfo))
EXTERN void jinit_c_master_control	JPP ((j_compress_ptr cinfo, boolean transcode_only))
EXTERN void jinit_c_main_controller	JPP ((j_compress_ptr cinfo, boolean need_full_buffer))
EXTERN void jinit_master_decompress	JPP ((j_decompress_ptr cinfo))
EXTERN void jinit_d_main_controller	JPP ((j_decompress_ptr cinfo, boolean need_full_buffer))
EXTERN void jinit_memory_mgr	JPP ((j_common_ptr cinfo))
EXTERN long jdiv_round_up	JPP ((long a, long b))
EXTERN void jcopy_sample_rows	JPP ((JSAMPARRAY input_array, int source_row, JSAMPARRAY output_array, int dest_row, int num_rows, JDIMENSION num_cols))
EXTERN void jcopy_block_row	JPP ((JBLOCKROW input_row, JBLOCKROW output_row, JDIMENSION num_blocks))
EXTERN void jzero_far	JPP ((void FAR *target, size_t bytestozero))

Variables
const int	jpeg_zigzag_order []
const int	jpeg_natural_order []

Macro Definition Documentation

#define CSTATE_RAW_OK   102 /* start_compress done, write_raw_data OK */

Definition at line 27 of file jpegint.h.

#define CSTATE_SCANNING   101 /* start_compress done, write_scanlines OK */

Definition at line 26 of file jpegint.h.

#define CSTATE_START   100 /* after create_compress */

Definition at line 25 of file jpegint.h.

#define CSTATE_WRCOEFS   103 /* jpeg_write_coefficients done */

Definition at line 28 of file jpegint.h.

#define DSTATE_BUFIMAGE   207 /* expecting jpeg_start_output */

Definition at line 36 of file jpegint.h.

#define DSTATE_BUFPOST   208 /* looking for SOS/EOI in jpeg_finish_output */

Definition at line 37 of file jpegint.h.

#define DSTATE_INHEADER   201 /* reading header markers, no SOS yet */

Definition at line 30 of file jpegint.h.

#define DSTATE_PRELOAD   203 /* reading multiscan file in start_decompress*/

Definition at line 32 of file jpegint.h.

#define DSTATE_PRESCAN   204 /* performing dummy pass for 2-pass quant */

Definition at line 33 of file jpegint.h.

#define DSTATE_RAW_OK   206 /* start_decompress done, read_raw_data OK */

Definition at line 35 of file jpegint.h.

#define DSTATE_RDCOEFS   209 /* reading file in jpeg_read_coefficients */

Definition at line 38 of file jpegint.h.

#define DSTATE_READY   202 /* found SOS, ready for start_decompress */

Definition at line 31 of file jpegint.h.

#define DSTATE_SCANNING   205 /* start_decompress done, read_scanlines OK */

Definition at line 34 of file jpegint.h.

#define DSTATE_START   200 /* after create_decompress */

Definition at line 29 of file jpegint.h.

#define DSTATE_STOPPING   210 /* looking for EOI in jpeg_finish_decompress */

Definition at line 39 of file jpegint.h.

#define MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Definition at line 265 of file jpegint.h.

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Definition at line 267 of file jpegint.h.

#define RIGHT_SHIFT	(		x,
			shft
	)		((x) >> (shft))

Definition at line 288 of file jpegint.h.

#define SHIFT_TEMPS

Definition at line 287 of file jpegint.h.

Enumeration Type Documentation

enum J_BUF_MODE

Enumerator
JBUF_PASS_THRU
JBUF_SAVE_SOURCE
JBUF_CRANK_DEST
JBUF_SAVE_AND_PASS

Definition at line 16 of file jpegint.h.

Function Documentation

typedef JMETHOD	(	void	,
		inverse_DCT_method_ptr	,
		(j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)
	)

EXTERN void jinit_compress_master JPP

(

(j_compress_ptr cinfo)

)

EXTERN void jinit_c_master_control JPP

(

(j_compress_ptr cinfo, boolean transcode_only)

)

EXTERN void jinit_c_coef_controller JPP

(

(j_compress_ptr cinfo, boolean need_full_buffer)

)

EXTERN void jinit_master_decompress JPP

(

(j_decompress_ptr cinfo)

)

EXTERN void jinit_d_post_controller JPP

(

(j_decompress_ptr cinfo, boolean need_full_buffer)

)

EXTERN void jinit_memory_mgr JPP

(

(j_common_ptr cinfo)

)

EXTERN long jround_up JPP

(

(long a, long b)

)

EXTERN void jcopy_sample_rows JPP

(

(JSAMPARRAY input_array, int source_row, JSAMPARRAY output_array, int dest_row, int num_rows, JDIMENSION num_cols)

)

EXTERN void jcopy_block_row JPP

(

(JBLOCKROW input_row, JBLOCKROW output_row, JDIMENSION num_blocks)

)

EXTERN void jzero_far JPP

(

(void FAR *target, size_t bytestozero)

)

Variable Documentation

const int jpeg_natural_order[]

Definition at line 49 of file jutils.c.

const int jpeg_zigzag_order[]

Definition at line 24 of file jutils.c.