jpeglib.h File Reference

#include "jmorecfg.h"
#include "jconfig.h"

Go to the source code of this file.

Data Structures
struct	JQUANT_TBL
struct	JHUFF_TBL
struct	jpeg_component_info
struct	jpeg_scan_info
struct	jpeg_saved_marker_ptr
struct	j_common_ptr
struct	j_compress_ptr
struct	j_decompress_ptr
struct	typeof
struct	jpeg_progress_mgr
struct	jpeg_destination_mgr
struct	jpeg_source_mgr
struct	jpeg_memory_mgr
Defines
#define	JPEG_LIB_VERSION   80 /* Compatibility version 8.0 */
#define	JPEG_LIB_VERSION_MAJOR   8
#define	JPEG_LIB_VERSION_MINOR   3
#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	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 FAR *	JSAMPROW
typedef JSAMPROW *	JSAMPARRAY
typedef JSAMPARRAY *	JSAMPIMAGE
typedef JCOEF	JBLOCK [DCTSIZE2]
typedef JBLOCK FAR *	JBLOCKROW
typedef JBLOCKROW *	JBLOCKARRAY
typedef JBLOCKARRAY *	JBLOCKIMAGE
typedef JCOEF FAR *	JCOEFPTR
Enumerations
enum	J_COLOR_SPACE {   JCS_UNKNOWN, JCS_GRAYSCALE, JCS_RGB, JCS_YCbCr,   JCS_CMYK, JCS_YCCK }
enum	J_DCT_METHOD { JDCT_ISLOW, JDCT_IFAST, JDCT_FLOAT }
enum	J_DITHER_MODE { JDITHER_NONE, JDITHER_ORDERED, JDITHER_FS }
Functions
typedef	JMETHOD (boolean, jpeg_marker_parser_method,(j_decompress_ptr cinfo))
	EXTERN (struct jpeg_error_mgr *) jpeg_std_error JPP((struct jpeg_error_mgr *err))
	EXTERN (void) jpeg_CreateCompress JPP((j_compress_ptr cinfo
	EXTERN (int) jpeg_quality_scaling JPP((int quality))
	EXTERN (JQUANT_TBL *) jpeg_alloc_quant_table JPP((j_common_ptr cinfo))
	EXTERN (JHUFF_TBL *) jpeg_alloc_huff_table JPP((j_common_ptr cinfo))
	EXTERN (JDIMENSION) jpeg_write_scanlines JPP((j_compress_ptr cinfo
	EXTERN (boolean) jpeg_start_decompress JPP((j_decompress_ptr cinfo))
	EXTERN (jvirt_barray_ptr *) jpeg_read_coefficients JPP((j_decompress_ptr cinfo))
Variables
int	version
int size_t	structsize
FILE *	outfile
FILE *	infile
unsigned char **	outbuffer
unsigned char unsigned long *	outsize
unsigned char *	inbuffer
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
boolean	require_image
JSAMPARRAY JDIMENSION	max_lines
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