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jcparam.c File Reference
#include "jinclude.h"
#include "jpeglib.h"

Go to the source code of this file.

Macros

#define JPEG_INTERNALS
#define SET_COMP(index, id, hsamp, vsamp, quant, dctbl, actbl)

Functions

 jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl, const unsigned int *basic_table, int scale_factor, boolean force_baseline)
 jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor, boolean force_baseline)
 jpeg_quality_scaling (int quality)
 jpeg_set_quality (j_compress_ptr cinfo, int quality, boolean force_baseline)
 add_huff_table (j_compress_ptr cinfo, JHUFF_TBL **htblptr, const UINT8 *bits, const UINT8 *val)
 std_huff_tables (j_compress_ptr cinfo)
 jpeg_set_defaults (j_compress_ptr cinfo)
 jpeg_default_colorspace (j_compress_ptr cinfo)
 jpeg_set_colorspace (j_compress_ptr cinfo, J_COLOR_SPACE colorspace)
 fill_a_scan (jpeg_scan_info *scanptr, int ci, int Ss, int Se, int Ah, int Al)
 fill_scans (jpeg_scan_info *scanptr, int ncomps, int Ss, int Se, int Ah, int Al)
 fill_dc_scans (jpeg_scan_info *scanptr, int ncomps, int Ah, int Al)
 jpeg_simple_progression (j_compress_ptr cinfo)

Macro Definition Documentation

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

◆ SET_COMP

#define SET_COMP ( index,
id,
hsamp,
vsamp,
quant,
dctbl,
actbl )
Value:
(compptr = &cinfo->comp_info[index], \
compptr->component_id = (id), \
compptr->h_samp_factor = (hsamp), \
compptr->v_samp_factor = (vsamp), \
compptr->quant_tbl_no = (quant), \
compptr->dc_tbl_no = (dctbl), \
compptr->ac_tbl_no = (actbl) )
jpeg_component_info * compptr
Definition jdct.h:105

Function Documentation

◆ add_huff_table()

add_huff_table ( j_compress_ptr cinfo,
JHUFF_TBL ** htblptr,
const UINT8 * bits,
const UINT8 * val )

◆ fill_a_scan()

fill_a_scan ( jpeg_scan_info * scanptr,
int ci,
int Ss,
int Se,
int Ah,
int Al )

◆ fill_dc_scans()

fill_dc_scans ( jpeg_scan_info * scanptr,
int ncomps,
int Ah,
int Al )

◆ fill_scans()

fill_scans ( jpeg_scan_info * scanptr,
int ncomps,
int Ss,
int Se,
int Ah,
int Al )

◆ jpeg_add_quant_table()

jpeg_add_quant_table ( j_compress_ptr cinfo,
int which_tbl,
const unsigned int * basic_table,
int scale_factor,
boolean force_baseline )

◆ jpeg_default_colorspace()

jpeg_default_colorspace ( j_compress_ptr cinfo)

◆ jpeg_quality_scaling()

jpeg_quality_scaling ( int quality)

◆ jpeg_set_colorspace()

jpeg_set_colorspace ( j_compress_ptr cinfo,
J_COLOR_SPACE colorspace )

◆ jpeg_set_defaults()

jpeg_set_defaults ( j_compress_ptr cinfo)

◆ jpeg_set_linear_quality()

jpeg_set_linear_quality ( j_compress_ptr cinfo,
int scale_factor,
boolean force_baseline )

◆ jpeg_set_quality()

jpeg_set_quality ( j_compress_ptr cinfo,
int quality,
boolean force_baseline )

◆ jpeg_simple_progression()

jpeg_simple_progression ( j_compress_ptr cinfo)

◆ std_huff_tables()

std_huff_tables ( j_compress_ptr cinfo)