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jpeg_compress_struct Struct Reference

#include <jpeglib.h>


Data Fields

 jpeg_common_fields
jpeg_destination_mgr * dest
JDIMENSION image_width
JDIMENSION image_height
int input_components
J_COLOR_SPACE in_color_space
double input_gamma
int data_precision
int num_components
J_COLOR_SPACE jpeg_color_space
jpeg_component_info * comp_info
JQUANT_TBL * quant_tbl_ptrs [NUM_QUANT_TBLS]
JHUFF_TBL * dc_huff_tbl_ptrs [NUM_HUFF_TBLS]
JHUFF_TBL * ac_huff_tbl_ptrs [NUM_HUFF_TBLS]
UINT8 arith_dc_L [NUM_ARITH_TBLS]
UINT8 arith_dc_U [NUM_ARITH_TBLS]
UINT8 arith_ac_K [NUM_ARITH_TBLS]
int num_scans
const jpeg_scan_info * scan_info
boolean raw_data_in
boolean arith_code
boolean optimize_coding
boolean CCIR601_sampling
int smoothing_factor
J_DCT_METHOD dct_method
unsigned int restart_interval
int restart_in_rows
boolean write_JFIF_header
UINT8 JFIF_major_version
UINT8 JFIF_minor_version
UINT8 density_unit
UINT16 X_density
UINT16 Y_density
boolean write_Adobe_marker
JDIMENSION next_scanline
boolean progressive_mode
int max_h_samp_factor
int max_v_samp_factor
JDIMENSION total_iMCU_rows
int comps_in_scan
jpeg_component_info * cur_comp_info [MAX_COMPS_IN_SCAN]
JDIMENSION MCUs_per_row
JDIMENSION MCU_rows_in_scan
int blocks_in_MCU
int MCU_membership [C_MAX_BLOCKS_IN_MCU]
int Ss
int Se
int Ah
int Al
jpeg_comp_master * master
jpeg_c_main_controller * main
jpeg_c_prep_controller * prep
jpeg_c_coef_controller * coef
jpeg_marker_writer * marker
jpeg_color_converter * cconvert
jpeg_downsampler * downsample
jpeg_forward_dct * fdct
jpeg_entropy_encoder * entropy
jpeg_scan_info * script_space
int script_space_size

Field Documentation

JHUFF_TBL* jpeg_compress_struct::ac_huff_tbl_ptrs[NUM_HUFF_TBLS]
 

Definition at line 306 of file jpeglib.h.

Referenced by emit_dht(), finish_pass_gather(), finish_pass_gather_phuff(), jpeg_CreateCompress(), jpeg_make_c_derived_tbl(), jpeg_suppress_tables(), std_huff_tables(), and write_tables_only().

int jpeg_compress_struct::Ah
 

Definition at line 390 of file jpeglib.h.

Referenced by emit_sos(), finish_pass_gather_phuff(), prepare_for_pass(), select_scan_parameters(), start_pass_phuff(), and write_scan_header().

int jpeg_compress_struct::Al
 

Definition at line 390 of file jpeglib.h.

Referenced by emit_sos(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_mcu_DC_first(), encode_mcu_DC_refine(), and select_scan_parameters().

UINT8 jpeg_compress_struct::arith_ac_K[NUM_ARITH_TBLS]
 

Definition at line 311 of file jpeglib.h.

Referenced by emit_dac().

boolean jpeg_compress_struct::arith_code
 

Definition at line 321 of file jpeglib.h.

Referenced by emit_sos(), jinit_compress_master(), parse_switches(), prepare_for_pass(), select_file_type(), transencode_master_selection(), write_frame_header(), write_scan_header(), and write_tables_only().

UINT8 jpeg_compress_struct::arith_dc_L[NUM_ARITH_TBLS]
 

Definition at line 309 of file jpeglib.h.

Referenced by emit_dac().

UINT8 jpeg_compress_struct::arith_dc_U[NUM_ARITH_TBLS]
 

Definition at line 310 of file jpeglib.h.

Referenced by emit_dac().

int jpeg_compress_struct::blocks_in_MCU
 

Definition at line 385 of file jpeglib.h.

Referenced by encode_mcu_DC_first(), encode_mcu_DC_refine(), encode_mcu_gather(), encode_mcu_huff(), and per_scan_setup().

boolean jpeg_compress_struct::CCIR601_sampling
 

Definition at line 323 of file jpeglib.h.

Referenced by jpeg_copy_critical_parameters().

struct jpeg_color_converter* jpeg_compress_struct::cconvert
 

Definition at line 400 of file jpeglib.h.

Referenced by cmyk_ycck_convert(), pre_process_context(), pre_process_data(), prepare_for_pass(), rgb_gray_convert(), rgb_ycc_convert(), and rgb_ycc_start().

struct jpeg_c_coef_controller* jpeg_compress_struct::coef
 

Definition at line 398 of file jpeglib.h.

Referenced by compress_data(), compress_first_pass(), compress_output(), jpeg_finish_compress(), jpeg_write_raw_data(), prepare_for_pass(), process_data_simple_main(), start_iMCU_row(), and start_pass_coef().

jpeg_component_info* jpeg_compress_struct::comp_info
 

Definition at line 299 of file jpeglib.h.

Referenced by compress_first_pass(), do_flip_h(), do_flip_v(), do_rot_180(), do_rot_270(), do_rot_90(), do_transpose(), do_transverse(), emit_sof(), initial_setup(), jpeg_copy_critical_parameters(), jpeg_CreateCompress(), jpeg_set_defaults(), jtransform_adjust_parameters(), pre_process_data(), select_scan_parameters(), sep_downsample(), set_quant_slots(), set_sample_factors(), start_pass_fdctmgr(), transpose_critical_parameters(), trim_bottom_edge(), trim_right_edge(), and write_frame_header().

int jpeg_compress_struct::comps_in_scan
 

Definition at line 378 of file jpeglib.h.

Referenced by compress_data(), compress_output(), emit_dac(), emit_restart(), emit_sos(), encode_mcu_gather(), finish_pass_gather(), finish_pass_gather_phuff(), per_scan_setup(), select_scan_parameters(), start_iMCU_row(), start_pass_huff(), start_pass_phuff(), and write_scan_header().

jpeg_component_info* jpeg_compress_struct::cur_comp_info[MAX_COMPS_IN_SCAN]
 

Definition at line 379 of file jpeglib.h.

Referenced by compress_data(), compress_output(), emit_dac(), emit_sos(), encode_mcu_DC_first(), encode_mcu_gather(), encode_mcu_huff(), finish_pass_gather(), finish_pass_gather_phuff(), per_scan_setup(), select_scan_parameters(), start_iMCU_row(), start_pass_huff(), start_pass_phuff(), and write_scan_header().

int jpeg_compress_struct::data_precision
 

Definition at line 294 of file jpeglib.h.

Referenced by emit_sof(), initial_setup(), jpeg_copy_critical_parameters(), and write_frame_header().

JHUFF_TBL* jpeg_compress_struct::dc_huff_tbl_ptrs[NUM_HUFF_TBLS]
 

Definition at line 305 of file jpeglib.h.

Referenced by emit_dht(), finish_pass_gather(), finish_pass_gather_phuff(), jpeg_CreateCompress(), jpeg_make_c_derived_tbl(), jpeg_suppress_tables(), std_huff_tables(), and write_tables_only().

J_DCT_METHOD jpeg_compress_struct::dct_method
 

Definition at line 325 of file jpeglib.h.

Referenced by select_file_type(), and start_pass_fdctmgr().

UINT8 jpeg_compress_struct::density_unit
 

Definition at line 344 of file jpeglib.h.

Referenced by emit_jfif_app0(), and jpeg_copy_critical_parameters().

struct jpeg_destination_mgr* jpeg_compress_struct::dest
 

Definition at line 272 of file jpeglib.h.

Referenced by dump_buffer(), emit_byte(), empty_output_buffer(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_mcu_DC_first(), encode_mcu_DC_refine(), encode_mcu_huff(), finish_pass_huff(), finish_pass_phuff(), init_destination(), jpeg_CreateCompress(), jpeg_finish_compress(), jpeg_start_compress(), jpeg_stdio_dest(), jpeg_write_coefficients(), jpeg_write_tables(), and term_destination().

struct jpeg_downsampler* jpeg_compress_struct::downsample
 

Definition at line 401 of file jpeglib.h.

Referenced by pre_process_context(), pre_process_data(), prepare_for_pass(), and sep_downsample().

struct jpeg_entropy_encoder* jpeg_compress_struct::entropy
 

Definition at line 403 of file jpeglib.h.

Referenced by compress_data(), compress_output(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_mcu_DC_first(), encode_mcu_DC_refine(), encode_mcu_gather(), encode_mcu_huff(), finish_pass_gather(), finish_pass_gather_phuff(), finish_pass_huff(), finish_pass_master(), finish_pass_phuff(), prepare_for_pass(), start_pass_huff(), and start_pass_phuff().

struct jpeg_forward_dct* jpeg_compress_struct::fdct
 

Definition at line 402 of file jpeglib.h.

Referenced by compress_data(), forward_DCT(), forward_DCT_float(), prepare_for_pass(), and start_pass_fdctmgr().

JDIMENSION jpeg_compress_struct::image_height
 

Definition at line 280 of file jpeglib.h.

Referenced by do_flip_v(), do_rot_180(), do_rot_270(), do_transverse(), emit_sof(), initial_setup(), jpeg_copy_critical_parameters(), jpeg_finish_compress(), jpeg_write_raw_data(), jpeg_write_scanlines(), per_scan_setup(), pre_process_context(), start_pass_prep(), transpose_critical_parameters(), trim_bottom_edge(), and write_JPEG_file().

JDIMENSION jpeg_compress_struct::image_width
 

Definition at line 279 of file jpeglib.h.

Referenced by cmyk_ycck_convert(), do_flip_h(), do_rot_180(), do_rot_90(), do_transverse(), emit_sof(), fullsize_downsample(), fullsize_smooth_downsample(), grayscale_convert(), h2v1_downsample(), h2v2_downsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), jpeg_copy_critical_parameters(), null_convert(), per_scan_setup(), pre_process_context(), pre_process_data(), rgb_gray_convert(), rgb_ycc_convert(), transpose_critical_parameters(), trim_right_edge(), and write_JPEG_file().

J_COLOR_SPACE jpeg_compress_struct::in_color_space
 

Definition at line 282 of file jpeglib.h.

Referenced by jpeg_copy_critical_parameters(), jpeg_default_colorspace(), and write_JPEG_file().

int jpeg_compress_struct::input_components
 

Definition at line 281 of file jpeglib.h.

Referenced by grayscale_convert(), initial_setup(), jpeg_copy_critical_parameters(), jpeg_set_colorspace(), transencode_master_selection(), and write_JPEG_file().

double jpeg_compress_struct::input_gamma
 

Definition at line 284 of file jpeglib.h.

Referenced by jpeg_CreateCompress().

UINT8 jpeg_compress_struct::JFIF_major_version
 

Definition at line 338 of file jpeglib.h.

Referenced by emit_jfif_app0(), and jpeg_copy_critical_parameters().

UINT8 jpeg_compress_struct::JFIF_minor_version
 

Definition at line 339 of file jpeglib.h.

Referenced by emit_jfif_app0(), and jpeg_copy_critical_parameters().

J_COLOR_SPACE jpeg_compress_struct::jpeg_color_space
 

Definition at line 297 of file jpeglib.h.

Referenced by emit_adobe_app14(), jpeg_set_colorspace(), jpeg_simple_progression(), and jtransform_adjust_parameters().

jpeg_compress_struct::jpeg_common_fields
 

Definition at line 269 of file jpeglib.h.

struct jpeg_c_main_controller* jpeg_compress_struct::main
 

Definition at line 396 of file jpeglib.h.

Referenced by jpeg_write_scanlines(), prepare_for_pass(), process_data_simple_main(), and start_pass_main().

struct jpeg_marker_writer* jpeg_compress_struct::marker
 

Definition at line 399 of file jpeglib.h.

Referenced by jinit_compress_master(), jpeg_finish_compress(), jpeg_write_m_byte(), jpeg_write_m_header(), jpeg_write_marker(), jpeg_write_tables(), pass_startup(), prepare_for_pass(), transencode_master_selection(), write_file_header(), and write_scan_header().

struct jpeg_comp_master* jpeg_compress_struct::master
 

Definition at line 395 of file jpeglib.h.

Referenced by finish_pass_master(), jpeg_finish_compress(), jpeg_start_compress(), jpeg_write_raw_data(), jpeg_write_scanlines(), pass_startup(), prepare_for_pass(), and select_scan_parameters().

int jpeg_compress_struct::max_h_samp_factor
 

Definition at line 364 of file jpeglib.h.

Referenced by do_flip_h(), do_rot_180(), do_rot_90(), do_transverse(), initial_setup(), int_downsample(), and per_scan_setup().

int jpeg_compress_struct::max_v_samp_factor
 

Definition at line 365 of file jpeglib.h.

Referenced by create_context_buffer(), do_flip_v(), do_rot_180(), do_rot_270(), do_transverse(), fullsize_downsample(), fullsize_smooth_downsample(), h2v1_downsample(), h2v2_downsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), jpeg_write_raw_data(), per_scan_setup(), pre_process_context(), pre_process_data(), and start_pass_prep().

int jpeg_compress_struct::MCU_membership[C_MAX_BLOCKS_IN_MCU]
 

Definition at line 386 of file jpeglib.h.

Referenced by encode_mcu_DC_first(), encode_mcu_gather(), encode_mcu_huff(), and per_scan_setup().

JDIMENSION jpeg_compress_struct::MCU_rows_in_scan
 

Definition at line 383 of file jpeglib.h.

Referenced by per_scan_setup().

JDIMENSION jpeg_compress_struct::MCUs_per_row
 

Definition at line 382 of file jpeglib.h.

Referenced by compress_data(), compress_output(), and per_scan_setup().

JDIMENSION jpeg_compress_struct::next_scanline
 

Definition at line 354 of file jpeglib.h.

Referenced by jpeg_finish_compress(), jpeg_start_compress(), jpeg_write_coefficients(), jpeg_write_m_header(), jpeg_write_marker(), jpeg_write_raw_data(), jpeg_write_scanlines(), and write_JPEG_file().

int jpeg_compress_struct::num_components
 

Definition at line 296 of file jpeglib.h.

Referenced by compress_first_pass(), do_flip_h(), do_flip_v(), do_rot_180(), do_rot_270(), do_rot_90(), do_transpose(), do_transverse(), emit_sof(), initial_setup(), jpeg_copy_critical_parameters(), jpeg_set_colorspace(), jpeg_simple_progression(), jtransform_adjust_parameters(), null_convert(), pre_process_context(), pre_process_data(), select_scan_parameters(), sep_downsample(), start_pass_fdctmgr(), transpose_critical_parameters(), trim_bottom_edge(), trim_right_edge(), validate_script(), and write_frame_header().

int jpeg_compress_struct::num_scans
 

Definition at line 313 of file jpeglib.h.

Referenced by jinit_compress_master(), jpeg_simple_progression(), and validate_script().

boolean jpeg_compress_struct::optimize_coding
 

Definition at line 322 of file jpeglib.h.

Referenced by finish_pass_master(), jinit_compress_master(), parse_switches(), and prepare_for_pass().

struct jpeg_c_prep_controller* jpeg_compress_struct::prep
 

Definition at line 397 of file jpeglib.h.

Referenced by create_context_buffer(), pre_process_context(), pre_process_data(), prepare_for_pass(), process_data_simple_main(), and start_pass_prep().

boolean jpeg_compress_struct::progressive_mode
 

Definition at line 363 of file jpeglib.h.

Referenced by emit_sos(), jinit_compress_master(), transencode_master_selection(), validate_script(), write_frame_header(), and write_scan_header().

JQUANT_TBL* jpeg_compress_struct::quant_tbl_ptrs[NUM_QUANT_TBLS]
 

Definition at line 302 of file jpeglib.h.

Referenced by emit_dqt(), jpeg_add_quant_table(), jpeg_copy_critical_parameters(), jpeg_CreateCompress(), jpeg_suppress_tables(), start_pass_fdctmgr(), transpose_critical_parameters(), and write_tables_only().

boolean jpeg_compress_struct::raw_data_in
 

Definition at line 320 of file jpeglib.h.

Referenced by jinit_compress_master(), jpeg_start_compress(), prepare_for_pass(), and start_pass_main().

int jpeg_compress_struct::restart_in_rows
 

Definition at line 333 of file jpeglib.h.

Referenced by parse_switches(), and per_scan_setup().

unsigned int jpeg_compress_struct::restart_interval
 

Definition at line 332 of file jpeglib.h.

Referenced by emit_dri(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_mcu_DC_first(), encode_mcu_DC_refine(), encode_mcu_gather(), encode_mcu_huff(), parse_switches(), per_scan_setup(), start_pass_huff(), start_pass_phuff(), and write_scan_header().

const jpeg_scan_info* jpeg_compress_struct::scan_info
 

Definition at line 314 of file jpeglib.h.

Referenced by jpeg_simple_progression(), select_scan_parameters(), and validate_script().

jpeg_scan_info* jpeg_compress_struct::script_space
 

Definition at line 404 of file jpeglib.h.

Referenced by jpeg_CreateCompress(), and jpeg_simple_progression().

int jpeg_compress_struct::script_space_size
 

Definition at line 405 of file jpeglib.h.

Referenced by jpeg_simple_progression().

int jpeg_compress_struct::Se
 

Definition at line 390 of file jpeglib.h.

Referenced by emit_sos(), encode_mcu_AC_first(), encode_mcu_AC_refine(), and select_scan_parameters().

int jpeg_compress_struct::smoothing_factor
 

Definition at line 324 of file jpeglib.h.

Referenced by fullsize_smooth_downsample(), and h2v2_smooth_downsample().

int jpeg_compress_struct::Ss
 

Definition at line 390 of file jpeglib.h.

Referenced by emit_sos(), encode_mcu_AC_first(), encode_mcu_AC_refine(), finish_pass_gather_phuff(), prepare_for_pass(), select_scan_parameters(), start_pass_phuff(), and write_scan_header().

JDIMENSION jpeg_compress_struct::total_iMCU_rows
 

Definition at line 367 of file jpeglib.h.

Referenced by compress_data(), compress_first_pass(), compress_output(), initial_setup(), jpeg_finish_compress(), process_data_simple_main(), and start_iMCU_row().

boolean jpeg_compress_struct::write_Adobe_marker
 

Definition at line 347 of file jpeglib.h.

Referenced by jcopy_markers_execute(), jpeg_set_colorspace(), and write_file_header().

boolean jpeg_compress_struct::write_JFIF_header
 

Definition at line 337 of file jpeglib.h.

Referenced by jcopy_markers_execute(), jpeg_set_colorspace(), and write_file_header().

UINT16 jpeg_compress_struct::X_density
 

Definition at line 345 of file jpeglib.h.

Referenced by emit_jfif_app0(), and jpeg_copy_critical_parameters().

UINT16 jpeg_compress_struct::Y_density
 

Definition at line 346 of file jpeglib.h.

Referenced by emit_jfif_app0(), and jpeg_copy_critical_parameters().

The documentation for this struct was generated from the following file:
 
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