#include "jconfig.h"
#include "jmorecfg.h"
#include "jpegint.h"
#include "jerror.h"

Include dependency graph for jpeglib.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	JQUANT_TBL

struct	JHUFF_TBL

struct	jpeg_component_info

struct	jpeg_scan_info

struct	jpeg_marker_struct

struct	jpeg_common_struct

struct	jpeg_compress_struct

struct	jpeg_decompress_struct

struct	jpeg_error_mgr

struct	jpeg_progress_mgr

struct	jpeg_destination_mgr

struct	jpeg_source_mgr

struct	jpeg_memory_mgr

Macros
#define	DCTSIZE 8 /* The basic DCT block is 8x8 samples */

#define	DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */

#define	NUM_QUANT_TBLS 4 /* Quantization tables are numbered 0..3 */

#define	NUM_HUFF_TBLS 4 /* Huffman tables are numbered 0..3 */

#define	NUM_ARITH_TBLS 16 /* Arith-coding tables are numbered 0..15 */

#define	MAX_COMPS_IN_SCAN 4 /* JPEG limit on # of components in one scan */

#define	MAX_SAMP_FACTOR 4 /* JPEG limit on sampling factors */

#define	C_MAX_BLOCKS_IN_MCU 10 /* compressor's limit on blocks per MCU */

#define	D_MAX_BLOCKS_IN_MCU 10 /* decompressor's limit on blocks per MCU */

#define	JCS_EXTENSIONS 1

#define	JCS_ALPHA_EXTENSIONS 1

#define	JDCT_DEFAULT JDCT_ISLOW

#define	JDCT_FASTEST JDCT_IFAST

#define	jpeg_common_fields

#define	JMSG_LENGTH_MAX 200 /* recommended size of format_message buffer */

#define	JMSG_STR_PARM_MAX 80

#define	JPOOL_PERMANENT 0 /* lasts until master record is destroyed */

#define	JPOOL_IMAGE 1 /* lasts until done with image/datastream */

#define	JPOOL_NUMPOOLS 2

#define	JPP(arglist) arglist

#define	jpeg_create_compress(cinfo)

#define	jpeg_create_decompress(cinfo)

#define	JPEG_SUSPENDED 0 /* Suspended due to lack of input data */

#define	JPEG_HEADER_OK 1 /* Found valid image datastream */

#define	JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */

#define	JPEG_REACHED_SOS 1 /* Reached start of new scan */

#define	JPEG_REACHED_EOI 2 /* Reached end of image */

#define	JPEG_ROW_COMPLETED 3 /* Completed one iMCU row */

#define	JPEG_SCAN_COMPLETED 4 /* Completed last iMCU row of a scan */

#define	JPEG_RST0 0xD0 /* RST0 marker code */

#define	JPEG_EOI 0xD9 /* EOI marker code */

#define	JPEG_APP0 0xE0 /* APP0 marker code */

#define	JPEG_COM 0xFE /* COM marker code */

Typedefs
typedef JSAMPLE *	JSAMPROW

typedef JSAMPROW *	JSAMPARRAY

typedef JSAMPARRAY *	JSAMPIMAGE

typedef JCOEF	JBLOCK[DCTSIZE2]

typedef JBLOCK *	JBLOCKROW

typedef JBLOCKROW *	JBLOCKARRAY

typedef JBLOCKARRAY *	JBLOCKIMAGE

typedef JCOEF *	JCOEFPTR

typedef struct jpeg_marker_struct *	jpeg_saved_marker_ptr

typedef struct jpeg_common_struct *	j_common_ptr

typedef struct jpeg_compress_struct *	j_compress_ptr

typedef struct jpeg_decompress_struct *	j_decompress_ptr

typedef struct jvirt_sarray_control *	jvirt_sarray_ptr

typedef struct jvirt_barray_control *	jvirt_barray_ptr

typedef boolean(*	jpeg_marker_parser_method) (j_decompress_ptr cinfo)

Enumerations
enum	J_COLOR_SPACE { JCS_UNKNOWN , JCS_GRAYSCALE , JCS_RGB , JCS_YCbCr , JCS_CMYK , JCS_YCCK , JCS_EXT_RGB , JCS_EXT_RGBX , JCS_EXT_BGR , JCS_EXT_BGRX , JCS_EXT_XBGR , JCS_EXT_XRGB , JCS_EXT_RGBA , JCS_EXT_BGRA , JCS_EXT_ABGR , JCS_EXT_ARGB , JCS_RGB565 }

enum	J_DCT_METHOD { JDCT_ISLOW , JDCT_IFAST , JDCT_FLOAT }

enum	J_DITHER_MODE { JDITHER_NONE , JDITHER_ORDERED , JDITHER_FS }

Functions
	EXTERN (struct jpeg_error_mgr ) jpeg_std_error(struct jpeg_error_mgr err)

	EXTERN (void) jpeg_CreateCompress(j_compress_ptr cinfo

	EXTERN (int) jpeg_quality_scaling(int quality)

	EXTERN (JQUANT_TBL *) jpeg_alloc_quant_table(j_common_ptr cinfo)

	EXTERN (JHUFF_TBL *) jpeg_alloc_huff_table(j_common_ptr cinfo)

	EXTERN (JDIMENSION) jpeg_write_scanlines(j_compress_ptr cinfo

	EXTERN (jvirt_barray_ptr *) jpeg_read_coefficients(j_decompress_ptr cinfo)

Variables
int	version

int size_t	structsize

FILE *	outfile

FILE *	infile

unsigned char **	outbuffer

unsigned char unsigned long *	outsize

const unsigned char *	inbuffer

const unsigned char unsigned long	insize

J_COLOR_SPACE	colorspace

int	quality

int boolean	force_baseline

int	scale_factor

int	which_tbl

int const unsigned int *	basic_table

boolean	suppress

boolean	write_all_tables

JSAMPARRAY	scanlines

JSAMPARRAY JDIMENSION	num_lines

JSAMPIMAGE	data

int	marker

int const JOCTET *	dataptr

int const JOCTET unsigned int	datalen

int	val

const JOCTET *	icc_data_ptr

const JOCTET unsigned int	icc_data_len

boolean	require_image

JSAMPARRAY JDIMENSION	max_lines

JDIMENSION *	xoffset

JDIMENSION JDIMENSION *	width

int	scan_number

int	marker_code

int unsigned int	length_limit

int jpeg_marker_parser_method	routine

jvirt_barray_ptr *	coef_arrays

j_compress_ptr	dstinfo

int	desired

Macro Definition Documentation

◆ C_MAX_BLOCKS_IN_MCU

#define C_MAX_BLOCKS_IN_MCU 10 /* compressor's limit on blocks per MCU */

Definition at line 60 of file jpeglib.h.

◆ D_MAX_BLOCKS_IN_MCU

#define D_MAX_BLOCKS_IN_MCU 10 /* decompressor's limit on blocks per MCU */

Definition at line 62 of file jpeglib.h.

◆ DCTSIZE

#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */

Definition at line 46 of file jpeglib.h.

◆ DCTSIZE2

#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */

Definition at line 47 of file jpeglib.h.

◆ JCS_ALPHA_EXTENSIONS

#define JCS_ALPHA_EXTENSIONS 1

Definition at line 215 of file jpeglib.h.

◆ JCS_EXTENSIONS

#define JCS_EXTENSIONS 1

Definition at line 214 of file jpeglib.h.

◆ JDCT_DEFAULT

#define JDCT_DEFAULT JDCT_ISLOW

Definition at line 253 of file jpeglib.h.

◆ JDCT_FASTEST

#define JDCT_FASTEST JDCT_IFAST

Definition at line 256 of file jpeglib.h.

◆ JMSG_LENGTH_MAX

#define JMSG_LENGTH_MAX 200 /* recommended size of format_message buffer */

Definition at line 729 of file jpeglib.h.

◆ JMSG_STR_PARM_MAX

#define JMSG_STR_PARM_MAX 80

Definition at line 737 of file jpeglib.h.

◆ JPEG_APP0

#define JPEG_APP0 0xE0 /* APP0 marker code */

Definition at line 1077 of file jpeglib.h.

◆ JPEG_COM

#define JPEG_COM 0xFE /* COM marker code */

Definition at line 1078 of file jpeglib.h.

◆ jpeg_common_fields

#define jpeg_common_fields

Value:

  struct jpeg_error_mgr *err;   /* Error handler module */ \
  struct jpeg_memory_mgr *mem;  /* Memory manager module */ \
  struct jpeg_progress_mgr *progress; /* Progress monitor, or NULL if none */ \
  void *client_data;            /* Available for use by application */ \
  boolean is_decompressor;      /* So common code can tell which is which */ \
  int global_state              /* For checking call sequence validity */

Definition at line 270 of file jpeglib.h.

◆ jpeg_create_compress

#define jpeg_create_compress ( cinfo )

Value:

jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \

(size_t)sizeof(struct jpeg_compress_struct))

jpeg_CreateCompress

jpeg_CreateCompress(j_compress_ptr cinfo, int version, size_t structsize)

Definition: jcapimin.c:34

JPEG_LIB_VERSION

#define JPEG_LIB_VERSION

Definition: jconfig.h:3

jpeg_compress_struct

Definition: jpeglib.h:297

Definition at line 900 of file jpeglib.h.

◆ jpeg_create_decompress

#define jpeg_create_decompress ( cinfo )

Value:

jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \

(size_t)sizeof(struct jpeg_decompress_struct))

jpeg_CreateDecompress

jpeg_CreateDecompress(j_decompress_ptr cinfo, int version, size_t structsize)

Definition: jdapimin.c:35

jpeg_decompress_struct

Definition: jpeglib.h:472

Definition at line 903 of file jpeglib.h.

◆ JPEG_EOI

#define JPEG_EOI 0xD9 /* EOI marker code */

Definition at line 1076 of file jpeglib.h.

◆ JPEG_HEADER_OK

#define JPEG_HEADER_OK 1 /* Found valid image datastream */

Definition at line 988 of file jpeglib.h.

◆ JPEG_HEADER_TABLES_ONLY

#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */

Definition at line 989 of file jpeglib.h.

◆ JPEG_REACHED_EOI

#define JPEG_REACHED_EOI 2 /* Reached end of image */

Definition at line 1021 of file jpeglib.h.

◆ JPEG_REACHED_SOS

#define JPEG_REACHED_SOS 1 /* Reached start of new scan */

Definition at line 1020 of file jpeglib.h.

◆ JPEG_ROW_COMPLETED

#define JPEG_ROW_COMPLETED 3 /* Completed one iMCU row */

Definition at line 1022 of file jpeglib.h.

◆ JPEG_RST0

#define JPEG_RST0 0xD0 /* RST0 marker code */

Definition at line 1075 of file jpeglib.h.

◆ JPEG_SCAN_COMPLETED

#define JPEG_SCAN_COMPLETED 4 /* Completed last iMCU row of a scan */

Definition at line 1023 of file jpeglib.h.

◆ JPEG_SUSPENDED

#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */

Definition at line 987 of file jpeglib.h.

◆ JPOOL_IMAGE

#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */

Definition at line 826 of file jpeglib.h.

◆ JPOOL_NUMPOOLS

#define JPOOL_NUMPOOLS 2

Definition at line 827 of file jpeglib.h.

◆ JPOOL_PERMANENT

#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */

Definition at line 825 of file jpeglib.h.

◆ JPP

#define JPP ( arglist ) arglist

Definition at line 887 of file jpeglib.h.

◆ MAX_COMPS_IN_SCAN

#define MAX_COMPS_IN_SCAN 4 /* JPEG limit on # of components in one scan */

Definition at line 51 of file jpeglib.h.

◆ MAX_SAMP_FACTOR

#define MAX_SAMP_FACTOR 4 /* JPEG limit on sampling factors */

Definition at line 52 of file jpeglib.h.

◆ NUM_ARITH_TBLS

#define NUM_ARITH_TBLS 16 /* Arith-coding tables are numbered 0..15 */

Definition at line 50 of file jpeglib.h.

◆ NUM_HUFF_TBLS

#define NUM_HUFF_TBLS 4 /* Huffman tables are numbered 0..3 */

Definition at line 49 of file jpeglib.h.

◆ NUM_QUANT_TBLS

#define NUM_QUANT_TBLS 4 /* Quantization tables are numbered 0..3 */

Definition at line 48 of file jpeglib.h.

Typedef Documentation

◆ j_common_ptr

typedef struct jpeg_common_struct* j_common_ptr

Definition at line 290 of file jpeglib.h.

◆ j_compress_ptr

typedef struct jpeg_compress_struct* j_compress_ptr

Definition at line 291 of file jpeglib.h.

◆ j_decompress_ptr

typedef struct jpeg_decompress_struct* j_decompress_ptr

Definition at line 292 of file jpeglib.h.

◆ JBLOCK

typedef JCOEF JBLOCK[DCTSIZE2]

Definition at line 73 of file jpeglib.h.

◆ JBLOCKARRAY

typedef JBLOCKROW* JBLOCKARRAY

Definition at line 75 of file jpeglib.h.

◆ JBLOCKIMAGE

typedef JBLOCKARRAY* JBLOCKIMAGE

Definition at line 76 of file jpeglib.h.

◆ JBLOCKROW

typedef JBLOCK* JBLOCKROW

Definition at line 74 of file jpeglib.h.

◆ JCOEFPTR

typedef JCOEF* JCOEFPTR

Definition at line 78 of file jpeglib.h.

◆ jpeg_marker_parser_method

typedef boolean(* jpeg_marker_parser_method) (j_decompress_ptr cinfo)

Definition at line 877 of file jpeglib.h.

◆ jpeg_saved_marker_ptr

typedef struct jpeg_marker_struct* jpeg_saved_marker_ptr

Definition at line 201 of file jpeglib.h.

◆ JSAMPARRAY

typedef JSAMPROW* JSAMPARRAY

Definition at line 70 of file jpeglib.h.

◆ JSAMPIMAGE

typedef JSAMPARRAY* JSAMPIMAGE

Definition at line 71 of file jpeglib.h.

◆ JSAMPROW

typedef JSAMPLE* JSAMPROW

Definition at line 69 of file jpeglib.h.

◆ jvirt_barray_ptr

typedef struct jvirt_barray_control* jvirt_barray_ptr

Definition at line 830 of file jpeglib.h.

◆ jvirt_sarray_ptr

typedef struct jvirt_sarray_control* jvirt_sarray_ptr

Definition at line 829 of file jpeglib.h.

Enumeration Type Documentation

◆ J_COLOR_SPACE

enum J_COLOR_SPACE

Enumerator
JCS_UNKNOWN
JCS_GRAYSCALE
JCS_RGB
JCS_YCbCr
JCS_CMYK
JCS_YCCK
JCS_EXT_RGB
JCS_EXT_RGBX
JCS_EXT_BGR
JCS_EXT_BGRX
JCS_EXT_XBGR
JCS_EXT_XRGB
JCS_EXT_RGBA
JCS_EXT_BGRA
JCS_EXT_ABGR
JCS_EXT_ARGB
JCS_RGB565

Definition at line 217 of file jpeglib.h.

◆ J_DCT_METHOD

enum J_DCT_METHOD

Enumerator
JDCT_ISLOW
JDCT_IFAST
JDCT_FLOAT

Definition at line 246 of file jpeglib.h.

◆ J_DITHER_MODE

enum J_DITHER_MODE

Enumerator
JDITHER_NONE
JDITHER_ORDERED
JDITHER_FS

Definition at line 261 of file jpeglib.h.

Function Documentation

◆ EXTERN() [1/7]

EXTERN ( int )

◆ EXTERN() [2/7]

EXTERN ( JDIMENSION )

◆ EXTERN() [3/7]

EXTERN ( JHUFF_TBL * )

◆ EXTERN() [4/7]

EXTERN ( JQUANT_TBL * )

◆ EXTERN() [5/7]

EXTERN ( jvirt_barray_ptr * )

◆ EXTERN() [6/7]

EXTERN ( struct jpeg_error_mgr * )

◆ EXTERN() [7/7]

EXTERN ( void )

Variable Documentation

◆ basic_table

int const unsigned int* basic_table

Definition at line 942 of file jpeglib.h.

◆ coef_arrays

jvirt_barray_ptr* coef_arrays

Definition at line 1043 of file jpeglib.h.

◆ colorspace

J_COLOR_SPACE colorspace

Definition at line 931 of file jpeglib.h.

◆ data

JSAMPIMAGE data

◆ datalen

int unsigned int datalen

Definition at line 969 of file jpeglib.h.

◆ dataptr

int const JOCTET* dataptr

Definition at line 969 of file jpeglib.h.

◆ desired

int desired

Definition at line 1063 of file jpeglib.h.

◆ dstinfo

j_compress_ptr dstinfo

Definition at line 1045 of file jpeglib.h.

◆ force_baseline

int const unsigned int int boolean force_baseline

Definition at line 934 of file jpeglib.h.

◆ icc_data_len

JOCTET unsigned int * icc_data_len

Definition at line 981 of file jpeglib.h.

◆ icc_data_ptr

JOCTET ** icc_data_ptr

Definition at line 980 of file jpeglib.h.

◆ inbuffer

const unsigned char* inbuffer

Definition at line 924 of file jpeglib.h.

◆ infile

FILE* infile

Definition at line 917 of file jpeglib.h.

◆ insize

const unsigned char unsigned long insize

Definition at line 924 of file jpeglib.h.

◆ length_limit

int unsigned int length_limit

Definition at line 1033 of file jpeglib.h.

◆ marker

int marker

Definition at line 968 of file jpeglib.h.

◆ marker_code

int marker_code

Definition at line 1032 of file jpeglib.h.

◆ max_lines

JSAMPIMAGE JDIMENSION max_lines

Definition at line 1000 of file jpeglib.h.

◆ num_lines

JDIMENSION num_lines

Definition at line 955 of file jpeglib.h.

◆ outbuffer

unsigned char** outbuffer

Definition at line 921 of file jpeglib.h.

◆ outfile

FILE* outfile

Definition at line 916 of file jpeglib.h.

◆ outsize

unsigned char unsigned long* outsize

Definition at line 922 of file jpeglib.h.

◆ quality

int quality

Definition at line 933 of file jpeglib.h.

◆ require_image

boolean require_image

Definition at line 985 of file jpeglib.h.

◆ routine

int jpeg_marker_parser_method routine

Definition at line 1038 of file jpeglib.h.

◆ scale_factor

int const unsigned int int scale_factor

Definition at line 935 of file jpeglib.h.

◆ scan_number

int scan_number

Definition at line 1013 of file jpeglib.h.

◆ scanlines

JSAMPARRAY scanlines

Definition at line 954 of file jpeglib.h.

◆ structsize

int size_t structsize

Definition at line 907 of file jpeglib.h.

◆ suppress

boolean suppress

Definition at line 946 of file jpeglib.h.

◆ val

int val

Definition at line 973 of file jpeglib.h.

◆ version

int version

Definition at line 906 of file jpeglib.h.

◆ which_tbl

int which_tbl

Definition at line 941 of file jpeglib.h.

◆ width

JDIMENSION JDIMENSION* width

Definition at line 1004 of file jpeglib.h.

◆ write_all_tables

boolean write_all_tables

Definition at line 952 of file jpeglib.h.

◆ xoffset

JDIMENSION* xoffset

Definition at line 1003 of file jpeglib.h.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ C_MAX_BLOCKS_IN_MCU

◆ D_MAX_BLOCKS_IN_MCU

◆ DCTSIZE

◆ DCTSIZE2

◆ JCS_ALPHA_EXTENSIONS

◆ JCS_EXTENSIONS

◆ JDCT_DEFAULT

◆ JDCT_FASTEST

◆ JMSG_LENGTH_MAX

◆ JMSG_STR_PARM_MAX

◆ JPEG_APP0

◆ JPEG_COM

◆ jpeg_common_fields

◆ jpeg_create_compress

◆ jpeg_create_decompress

◆ JPEG_EOI

◆ JPEG_HEADER_OK

◆ JPEG_HEADER_TABLES_ONLY

◆ JPEG_REACHED_EOI

◆ JPEG_REACHED_SOS

◆ JPEG_ROW_COMPLETED

◆ JPEG_RST0

◆ JPEG_SCAN_COMPLETED

◆ JPEG_SUSPENDED

◆ JPOOL_IMAGE

◆ JPOOL_NUMPOOLS

◆ JPOOL_PERMANENT

◆ JPP

◆ MAX_COMPS_IN_SCAN

◆ MAX_SAMP_FACTOR

◆ NUM_ARITH_TBLS

◆ NUM_HUFF_TBLS

◆ NUM_QUANT_TBLS

Typedef Documentation

◆ j_common_ptr

◆ j_compress_ptr

◆ j_decompress_ptr

◆ JBLOCK

◆ JBLOCKARRAY

◆ JBLOCKIMAGE

◆ JBLOCKROW

◆ JCOEFPTR

◆ jpeg_marker_parser_method

◆ jpeg_saved_marker_ptr

◆ JSAMPARRAY

◆ JSAMPIMAGE

◆ JSAMPROW

◆ jvirt_barray_ptr

◆ jvirt_sarray_ptr

Enumeration Type Documentation

◆ J_COLOR_SPACE

◆ J_DCT_METHOD

◆ J_DITHER_MODE

Function Documentation

◆ EXTERN() [1/7]

◆ EXTERN() [2/7]

◆ EXTERN() [3/7]

◆ EXTERN() [4/7]

◆ EXTERN() [5/7]

◆ EXTERN() [6/7]

◆ EXTERN() [7/7]

Variable Documentation

◆ basic_table

◆ coef_arrays

◆ colorspace

◆ data

◆ datalen

◆ dataptr

◆ desired

◆ dstinfo

◆ force_baseline

◆ icc_data_len

◆ icc_data_ptr