jpeglib.h File Reference

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

Include dependency graph for jpeglib.h:

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Go to the source code of 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
Defines
#define	JPEG_LIB_VERSION   62
#define	DCTSIZE   8
#define	DCTSIZE2   64
#define	NUM_QUANT_TBLS   4
#define	NUM_HUFF_TBLS   4
#define	NUM_ARITH_TBLS   16
#define	MAX_COMPS_IN_SCAN   4
#define	MAX_SAMP_FACTOR   4
#define	C_MAX_BLOCKS_IN_MCU   10
#define	D_MAX_BLOCKS_IN_MCU   10
#define	JDCT_DEFAULT   JDCT_ISLOW
#define	JDCT_FASTEST   JDCT_IFAST
#define	jpeg_common_fields
#define	JMSG_LENGTH_MAX   200
#define	JMSG_STR_PARM_MAX   80
#define	JPOOL_PERMANENT   0
#define	JPOOL_IMAGE   1
#define	JPOOL_NUMPOOLS   2
#define	JPP(arglist)   arglist
#define	jpeg_create_compress(cinfo)
#define	jpeg_create_decompress(cinfo)
#define	JPEG_SUSPENDED   0
#define	JPEG_HEADER_OK   1
#define	JPEG_HEADER_TABLES_ONLY   2
#define	JPEG_REACHED_SOS   1
#define	JPEG_REACHED_EOI   2
#define	JPEG_ROW_COMPLETED   3
#define	JPEG_SCAN_COMPLETED   4
#define	JPEG_RST0   0xD0
#define	JPEG_EOI   0xD9
#define	JPEG_APP0   0xE0
#define	JPEG_COM   0xFE
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
typedef struct jpeg_marker_struct FAR *	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
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
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

---

Define Documentation

#define C_MAX_BLOCKS_IN_MCU   10

Definition at line 55 of file jpeglib.h.

Referenced by compress_output(), jinit_c_coef_controller(), per_scan_setup(), and transencode_coef_controller().

#define D_MAX_BLOCKS_IN_MCU   10

Definition at line 57 of file jpeglib.h.

Referenced by jinit_d_coef_controller(), and per_scan_setup().

#define DCTSIZE   8

Definition at line 41 of file jpeglib.h.

Referenced by compress_data(), compress_first_pass(), create_context_buffer(), forward_DCT(), forward_DCT_float(), fullsize_downsample(), fullsize_smooth_downsample(), h2v1_downsample(), h2v2_downsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), jinit_c_main_controller(), jinit_c_prep_controller(), jpeg_calc_output_dimensions(), jpeg_fdct_float(), jpeg_fdct_ifast(), jpeg_fdct_islow(), jpeg_idct_2x2(), jpeg_idct_4x4(), jpeg_idct_float(), jpeg_idct_ifast(), jpeg_idct_islow(), jpeg_write_raw_data(), METHODDEF(), per_scan_setup(), pre_process_data(), process_data_simple_main(), start_pass(), and start_pass_fdctmgr().

#define DCTSIZE2   64

Definition at line 42 of file jpeglib.h.

Referenced by decode_mcu(), decode_mcu_AC_refine(), emit_dqt(), encode_mcu_AC_refine(), encode_one_block(), forward_DCT(), forward_DCT_float(), get_dqt(), htest_one_block(), jcopy_block_row(), jinit_phuff_decoder(), jpeg_add_quant_table(), jpeg_copy_critical_parameters(), jpeg_idct_float(), jpeg_idct_ifast(), jpeg_idct_islow(), jpeg_set_linear_quality(), METHODDEF(), select_scan_parameters(), start_pass(), start_pass_fdctmgr(), start_pass_huff_decoder(), and validate_script().

#define JDCT_DEFAULT   JDCT_ISLOW

Definition at line 224 of file jpeglib.h.

Referenced by default_decompress_parms(), and jpeg_set_defaults().

#define JDCT_FASTEST   JDCT_IFAST

Definition at line 227 of file jpeglib.h.

#define JMSG_LENGTH_MAX   200

Definition at line 652 of file jpeglib.h.

Referenced by output_message().

#define JMSG_STR_PARM_MAX   80

Definition at line 660 of file jpeglib.h.

#define JPEG_APP0   0xE0

Definition at line 1047 of file jpeglib.h.

#define JPEG_COM   0xFE

Definition at line 1048 of file jpeglib.h.

#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

Definition at line 241 of file jpeglib.h.

#define jpeg_create_compress

(

cinfo

)

Value:

jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \
                        (size_t) sizeof(struct jpeg_compress_struct))

Definition at line 894 of file jpeglib.h.

#define jpeg_create_decompress

(

cinfo

)

Value:

jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \
                          (size_t) sizeof(struct jpeg_decompress_struct))

Definition at line 897 of file jpeglib.h.

Referenced by Fl_JPEG_Image::Fl_JPEG_Image().

#define JPEG_EOI   0xD9

Definition at line 1046 of file jpeglib.h.

Referenced by fill_input_buffer().

#define JPEG_HEADER_OK   1

Definition at line 966 of file jpeglib.h.

Referenced by jpeg_read_header().

#define JPEG_HEADER_TABLES_ONLY   2

Definition at line 967 of file jpeglib.h.

Referenced by jpeg_read_header().

#define JPEG_LIB_VERSION   62

Definition at line 33 of file jpeglib.h.

Referenced by jpeg_CreateCompress(), and jpeg_CreateDecompress().

#define JPEG_REACHED_EOI   2

Definition at line 997 of file jpeglib.h.

Referenced by consume_markers(), jpeg_read_header(), LOCAL(), and read_markers().

#define JPEG_REACHED_SOS   1

Definition at line 996 of file jpeglib.h.

Referenced by consume_markers(), jpeg_consume_input(), jpeg_read_header(), LOCAL(), and read_markers().

#define JPEG_ROW_COMPLETED   3

Definition at line 998 of file jpeglib.h.

Referenced by consume_data(), decompress_data(), decompress_onepass(), decompress_smooth_data(), and LOCAL().

#define JPEG_RST0   0xD0

Definition at line 1045 of file jpeglib.h.

Referenced by emit_restart().

#define JPEG_SCAN_COMPLETED   4

Definition at line 999 of file jpeglib.h.

Referenced by consume_data(), decompress_data(), decompress_onepass(), and decompress_smooth_data().

#define JPEG_SUSPENDED   0

Definition at line 965 of file jpeglib.h.

Referenced by consume_data(), consume_markers(), decompress_data(), decompress_onepass(), decompress_smooth_data(), dummy_consume_data(), jpeg_consume_input(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_read_header(), LOCAL(), and read_markers().

#define JPOOL_IMAGE   1

Definition at line 749 of file jpeglib.h.

Referenced by alloc_fs_workspace(), build_ycc_rgb_table(), create_colorindex(), create_colormap(), create_context_buffer(), free_pool(), get_sof(), init_destination(), init_error_limit(), jinit_1pass_quantizer(), jinit_2pass_quantizer(), jinit_c_coef_controller(), jinit_c_main_controller(), jinit_c_master_control(), jinit_c_prep_controller(), jinit_color_converter(), jinit_color_deconverter(), jinit_d_coef_controller(), jinit_d_main_controller(), jinit_d_post_controller(), jinit_downsampler(), jinit_forward_dct(), jinit_huff_decoder(), jinit_huff_encoder(), jinit_inverse_dct(), jinit_marker_writer(), jinit_master_decompress(), jinit_merged_upsampler(), jinit_phuff_decoder(), jinit_phuff_encoder(), jinit_upsampler(), jpeg_make_c_derived_tbl(), jpeg_make_d_derived_tbl(), latch_quant_tables(), make_odither_array(), METHODDEF(), prepare_range_limit_table(), realize_virt_arrays(), request_virt_barray(), request_virt_sarray(), rgb_ycc_start(), save_marker(), select_colors(), smoothing_ok(), start_pass_2_quant(), start_pass_fdctmgr(), and transencode_coef_controller().

#define JPOOL_NUMPOOLS   2

Definition at line 750 of file jpeglib.h.

Referenced by alloc_large(), alloc_small(), free_pool(), jinit_memory_mgr(), jpeg_abort(), and self_destruct().

#define JPOOL_PERMANENT   0

Definition at line 748 of file jpeglib.h.

Referenced by jinit_input_controller(), jinit_marker_reader(), jinit_memory_mgr(), jpeg_abort(), jpeg_alloc_huff_table(), jpeg_alloc_quant_table(), jpeg_set_defaults(), jpeg_simple_progression(), jpeg_stdio_dest(), jpeg_stdio_src(), and self_destruct().

#define JPP

(

arglist

)

arglist

Definition at line 818 of file jpeglib.h.

#define MAX_COMPS_IN_SCAN   4

Definition at line 46 of file jpeglib.h.

Referenced by compress_output(), consume_data(), fill_dc_scans(), get_sos(), jpeg_simple_progression(), per_scan_setup(), select_scan_parameters(), and validate_script().

#define MAX_SAMP_FACTOR   4

Definition at line 47 of file jpeglib.h.

Referenced by initial_setup(), and METHODDEF().

#define NUM_ARITH_TBLS   16

Definition at line 45 of file jpeglib.h.

Referenced by emit_dac(), get_soi(), and jpeg_set_defaults().

#define NUM_HUFF_TBLS   4

Definition at line 44 of file jpeglib.h.

Referenced by finish_pass_gather(), finish_pass_gather_phuff(), get_dht(), jinit_huff_decoder(), jinit_huff_encoder(), jinit_phuff_decoder(), jinit_phuff_encoder(), jpeg_CreateCompress(), jpeg_CreateDecompress(), jpeg_make_c_derived_tbl(), jpeg_make_d_derived_tbl(), jpeg_suppress_tables(), METHODDEF(), and write_tables_only().

#define NUM_QUANT_TBLS   4

Definition at line 43 of file jpeglib.h.

Referenced by get_dqt(), jinit_forward_dct(), jpeg_add_quant_table(), jpeg_copy_critical_parameters(), jpeg_CreateCompress(), jpeg_CreateDecompress(), jpeg_suppress_tables(), latch_quant_tables(), start_pass_fdctmgr(), and write_tables_only().

---

Typedef Documentation

typedef struct jpeg_common_struct* j_common_ptr

Definition at line 261 of file jpeglib.h.

typedef struct jpeg_compress_struct* j_compress_ptr

Definition at line 262 of file jpeglib.h.

typedef struct jpeg_decompress_struct* j_decompress_ptr

Definition at line 263 of file jpeglib.h.

typedef JCOEF JBLOCK[DCTSIZE2]

Definition at line 70 of file jpeglib.h.

typedef JBLOCKROW* JBLOCKARRAY

Definition at line 72 of file jpeglib.h.

typedef JBLOCKARRAY* JBLOCKIMAGE

Definition at line 73 of file jpeglib.h.

typedef JBLOCK FAR* JBLOCKROW

Definition at line 71 of file jpeglib.h.

typedef JCOEF FAR* JCOEFPTR

Definition at line 75 of file jpeglib.h.

typedef struct jpeg_marker_struct FAR* jpeg_saved_marker_ptr

Definition at line 193 of file jpeglib.h.

typedef JSAMPROW* JSAMPARRAY

Definition at line 67 of file jpeglib.h.

typedef JSAMPARRAY* JSAMPIMAGE

Definition at line 68 of file jpeglib.h.

typedef JSAMPLE FAR* JSAMPROW

Definition at line 66 of file jpeglib.h.

typedef struct jvirt_barray_control* jvirt_barray_ptr

Definition at line 753 of file jpeglib.h.

typedef struct jvirt_sarray_control* jvirt_sarray_ptr

Definition at line 752 of file jpeglib.h.

---

Enumeration Type Documentation

enum J_COLOR_SPACE

Enumerator:

JCS_UNKNOWN
JCS_GRAYSCALE
JCS_RGB
JCS_YCbCr
JCS_CMYK
JCS_YCCK

Definition at line 206 of file jpeglib.h.

enum J_DCT_METHOD

Enumerator:

JDCT_ISLOW
JDCT_IFAST
JDCT_FLOAT

Definition at line 217 of file jpeglib.h.

enum J_DITHER_MODE

Enumerator:

JDITHER_NONE
JDITHER_ORDERED
JDITHER_FS

Definition at line 232 of file jpeglib.h.

---

Function Documentation

EXTERN

(

struct jpeg_error_mgr *

)

EXTERN

(

jvirt_barray_ptr *

)

EXTERN

(

int

)

EXTERN

(

JDIMENSION

)

EXTERN

(

JHUFF_TBL *

)

EXTERN

(

JQUANT_TBL *

)

EXTERN

(

boolean

)

EXTERN

(

void

)

typedef JMETHOD	(	boolean	,
		jpeg_marker_parser_method	,
		(j_decompress_ptr cinfo)
	)

---

Variable Documentation

int const unsigned int* basic_table

Definition at line 924 of file jpeglib.h.

jvirt_barray_ptr* coef_arrays

Definition at line 1017 of file jpeglib.h.

Referenced by transencode_coef_controller().

J_COLOR_SPACE colorspace

Definition at line 917 of file jpeglib.h.

Referenced by jpeg_set_colorspace().

png_bytep data

Definition at line 945 of file jpeglib.h.

Referenced by Fl::add_awake_handler_(), Fl::add_idle(), fl_draw_pixmap(), fl_handle(), fl_wait(), Fl_Menu_Item::insert(), jpeg_fdct_float(), jpeg_fdct_ifast(), jpeg_fdct_islow(), png_read_data(), png_write_data(), save_marker(), Fl_Tree_Item::user_data(), Fl_Data_Type::write_code1(), and Fluid_Image::write_static().

int unsigned int datalen

Definition at line 950 of file jpeglib.h.

int const JOCTET* dataptr

Definition at line 950 of file jpeglib.h.

Referenced by fl_create_alphamask(), jpeg_fdct_float(), jpeg_fdct_ifast(), jpeg_fdct_islow(), and jpeg_write_marker().

int desired

Definition at line 1038 of file jpeglib.h.

Referenced by jinit_2pass_quantizer().

j_compress_ptr dstinfo

Definition at line 1019 of file jpeglib.h.

int const unsigned int int boolean force_baseline

Definition at line 919 of file jpeglib.h.

FILE* infile

Definition at line 911 of file jpeglib.h.

Referenced by new_cb().

int unsigned int length_limit

Definition at line 1006 of file jpeglib.h.

Referenced by jpeg_save_markers().

int marker

Definition at line 950 of file jpeglib.h.

Referenced by jinit_marker_reader(), jinit_marker_writer(), jpeg_resync_to_restart(), jpeg_save_markers(), jpeg_set_marker_processor(), reset_marker_reader(), save_marker(), write_file_header(), and write_scan_header().

int marker_code

Definition at line 1006 of file jpeglib.h.

JSAMPIMAGE JDIMENSION max_lines

Definition at line 977 of file jpeglib.h.

JSAMPIMAGE JDIMENSION num_lines

Definition at line 939 of file jpeglib.h.

FILE* outfile

Definition at line 910 of file jpeglib.h.

Referenced by new_cb(), and print_cb().

int quality

Definition at line 919 of file jpeglib.h.

Referenced by jpeg_quality_scaling().

boolean require_image

Definition at line 963 of file jpeglib.h.

int jpeg_marker_parser_method routine

Definition at line 1011 of file jpeglib.h.

int const unsigned int int scale_factor

Definition at line 922 of file jpeglib.h.

int scan_number

Definition at line 989 of file jpeglib.h.

Referenced by jpeg_start_output().

JSAMPARRAY scanlines

Definition at line 939 of file jpeglib.h.

int size_t structsize

Definition at line 901 of file jpeglib.h.

boolean suppress

Definition at line 931 of file jpeglib.h.

Referenced by jpeg_suppress_tables().

int val

Definition at line 956 of file jpeglib.h.

Referenced by Fl_Tree_Item::activate(), Fl_PostScript_Graphics_Driver::alpha_mask(), Fl_Tree_Prefs::bgcolor(), Fl_Table::col_header_color(), Fl_Table::cols(), Fl_Tree_Prefs::connectorcolor(), Fl_Tree_Prefs::connectorstyle(), Fl_Tree_Prefs::connectorwidth(), consume_markers(), create_colorindex(), create_colormap(), deflate(), Fl_Slider::draw(), Fl_Chart::draw(), emit_byte(), Fl_Tree_Prefs::fgcolor(), Fl_Native_File_Chooser::filter_value(), Fl_Native_File_Chooser::Fl_Native_File_Chooser(), Fl_PNM_Image::Fl_PNM_Image(), Fl_Slider::handle(), Fl_Scrollbar::handle(), Fl_Dial::handle(), Fl_Tree_Prefs::inactivecolor(), inflate(), inflate_fast(), inflate_table(), Fl_Tree::item_clicked(), jpeg_write_marker(), Fl_Tree_Item::labelbgcolor(), Fl_Tree_Item::labelcolor(), Fl_Tree_Item::labelfgcolor(), Fl_Tree_Prefs::labelfont(), Fl_Tree_Item::labelfont(), Fl_Tree_Prefs::labelmarginleft(), Fl_Tree_Prefs::labelsize(), Fl_Tree_Item::labelsize(), Fl_Tree_Prefs::linespacing(), Fl_Tree::load(), Fl_File_Icon::load_image(), Fl_Tree_Prefs::marginleft(), Fl_Tree_Prefs::margintop(), Fl_Tree_Prefs::openchild_marginbottom(), Fl::option(), Fl_Native_File_Chooser::options(), Fl_Tree_Item::parent(), print_update_status(), Fl_Table::row_header_color(), Fl_Table::rows(), Fl_Tree_Item::select(), Fl_Tree_Prefs::selectbox(), Fl_Tree_Prefs::selectcolor(), Fl_Tree_Prefs::selectmode(), Fl_Window::show(), Fl_Tree_Prefs::showcollapse(), Fl_Tree_Prefs::sortorder(), Fl_Input_::tab_nav(), Fl_Table_Row::type(), Fl_Native_File_Chooser::type(), Fl_Tree_Prefs::usericon(), Fl_Tree_Item::usericon(), Fl_Tree_Prefs::usericonmarginleft(), and Fl_Tree_Item::widget().

int version

Definition at line 901 of file jpeglib.h.

Referenced by examine_app14(), and Fl_X::make_xid().

int which_tbl

Definition at line 924 of file jpeglib.h.

Referenced by jpeg_add_quant_table().

boolean write_all_tables

Definition at line 937 of file jpeglib.h.