Classes | Macros | Typedefs | Functions
jquant2.c File Reference
#include "jinclude.h"
#include "jpeglib.h"
Include dependency graph for jquant2.c:

Go to the source code of this file.

Classes

struct  box
 
struct  my_cquantizer
 

Macros

#define B_SCALE   1 /* and B by this much */
 
#define BOX_C0_ELEMS   (1<<BOX_C0_LOG) /* # of hist cells in update box */
 
#define BOX_C0_LOG   (HIST_C0_BITS-3)
 
#define BOX_C0_SHIFT   (C0_SHIFT + BOX_C0_LOG)
 
#define BOX_C1_ELEMS   (1<<BOX_C1_LOG)
 
#define BOX_C1_LOG   (HIST_C1_BITS-3)
 
#define BOX_C1_SHIFT   (C1_SHIFT + BOX_C1_LOG)
 
#define BOX_C2_ELEMS   (1<<BOX_C2_LOG)
 
#define BOX_C2_LOG   (HIST_C2_BITS-3)
 
#define BOX_C2_SHIFT   (C2_SHIFT + BOX_C2_LOG)
 
#define C0_SCALE   R_SCALE
 
#define C0_SHIFT   (BITS_IN_JSAMPLE-HIST_C0_BITS)
 
#define C1_SCALE   G_SCALE
 
#define C1_SHIFT   (BITS_IN_JSAMPLE-HIST_C1_BITS)
 
#define C2_SCALE   B_SCALE
 
#define C2_SHIFT   (BITS_IN_JSAMPLE-HIST_C2_BITS)
 
#define G_SCALE   3 /* scale G distances by this much */
 
#define HIST_C0_BITS   5 /* bits of precision in R/B histogram */
 
#define HIST_C0_ELEMS   (1<<HIST_C0_BITS)
 
#define HIST_C1_BITS   6 /* bits of precision in G histogram */
 
#define HIST_C1_ELEMS   (1<<HIST_C1_BITS)
 
#define HIST_C2_BITS   5 /* bits of precision in B/R histogram */
 
#define HIST_C2_ELEMS   (1<<HIST_C2_BITS)
 
#define JPEG_INTERNALS
 
#define MAXNUMCOLORS   (MAXJSAMPLE+1) /* maximum size of colormap */
 
#define R_SCALE   2 /* scale R distances by this much */
 
#define STEP_C0   ((1 << C0_SHIFT) * C0_SCALE)
 
#define STEP_C1   ((1 << C1_SHIFT) * C1_SCALE)
 
#define STEP_C2   ((1 << C2_SHIFT) * C2_SCALE)
 
#define STEPSIZE   ((MAXJSAMPLE+1)/16)
 

Typedefs

typedef box * boxptr
 
typedef INT16 FSERROR
 
typedef FSERROR FAR * FSERRPTR
 
typedef histcell hist1d[HIST_C2_ELEMS]
 
typedef hist1d FAR * hist2d
 
typedef hist2d * hist3d
 
typedef UINT16 histcell
 
typedef histcell FAR * histptr
 
typedef int LOCFSERROR
 
typedef my_cquantizer * my_cquantize_ptr
 

Functions

 compute_color (j_decompress_ptr cinfo, boxptr boxp, int icolor)
 
 fill_inverse_cmap (j_decompress_ptr cinfo, int c0, int c1, int c2)
 
 find_best_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, int numcolors, JSAMPLE colorlist[], JSAMPLE bestcolor[])
 
 find_biggest_color_pop (boxptr boxlist, int numboxes)
 
 find_biggest_volume (boxptr boxlist, int numboxes)
 
 find_nearby_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, JSAMPLE colorlist[])
 
 finish_pass1 (j_decompress_ptr cinfo)
 
 finish_pass2 (j_decompress_ptr cinfo)
 
 init_error_limit (j_decompress_ptr cinfo)
 
 jinit_2pass_quantizer (j_decompress_ptr cinfo)
 
 median_cut (j_decompress_ptr cinfo, boxptr boxlist, int numboxes, int desired_colors)
 
 new_color_map_2_quant (j_decompress_ptr cinfo)
 
 pass2_fs_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)
 
 pass2_no_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)
 
 prescan_quantize (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)
 
 select_colors (j_decompress_ptr cinfo, int desired_colors)
 
 start_pass_2_quant (j_decompress_ptr cinfo, boolean is_pre_scan)
 
 update_box (j_decompress_ptr cinfo, boxptr boxp)
 

Macro Definition Documentation

◆ B_SCALE

#define B_SCALE   1 /* and B by this much */

Definition at line 75 of file jquant2.c.

◆ BOX_C0_ELEMS

#define BOX_C0_ELEMS   (1<<BOX_C0_LOG) /* # of hist cells in update box */

Definition at line 628 of file jquant2.c.

◆ BOX_C0_LOG

#define BOX_C0_LOG   (HIST_C0_BITS-3)

Definition at line 624 of file jquant2.c.

◆ BOX_C0_SHIFT

#define BOX_C0_SHIFT   (C0_SHIFT + BOX_C0_LOG)

Definition at line 632 of file jquant2.c.

◆ BOX_C1_ELEMS

#define BOX_C1_ELEMS   (1<<BOX_C1_LOG)

Definition at line 629 of file jquant2.c.

◆ BOX_C1_LOG

#define BOX_C1_LOG   (HIST_C1_BITS-3)

Definition at line 625 of file jquant2.c.

◆ BOX_C1_SHIFT

#define BOX_C1_SHIFT   (C1_SHIFT + BOX_C1_LOG)

Definition at line 633 of file jquant2.c.

◆ BOX_C2_ELEMS

#define BOX_C2_ELEMS   (1<<BOX_C2_LOG)

Definition at line 630 of file jquant2.c.

◆ BOX_C2_LOG

#define BOX_C2_LOG   (HIST_C2_BITS-3)

Definition at line 626 of file jquant2.c.

◆ BOX_C2_SHIFT

#define BOX_C2_SHIFT   (C2_SHIFT + BOX_C2_LOG)

Definition at line 634 of file jquant2.c.

◆ C0_SCALE

#define C0_SCALE   R_SCALE

Definition at line 85 of file jquant2.c.

◆ C0_SHIFT

#define C0_SHIFT   (BITS_IN_JSAMPLE-HIST_C0_BITS)

Definition at line 142 of file jquant2.c.

◆ C1_SCALE

#define C1_SCALE   G_SCALE

Definition at line 91 of file jquant2.c.

◆ C1_SHIFT

#define C1_SHIFT   (BITS_IN_JSAMPLE-HIST_C1_BITS)

Definition at line 143 of file jquant2.c.

◆ C2_SCALE

#define C2_SCALE   B_SCALE

Definition at line 97 of file jquant2.c.

◆ C2_SHIFT

#define C2_SHIFT   (BITS_IN_JSAMPLE-HIST_C2_BITS)

Definition at line 144 of file jquant2.c.

◆ G_SCALE

#define G_SCALE   3 /* scale G distances by this much */

Definition at line 74 of file jquant2.c.

◆ HIST_C0_BITS

#define HIST_C0_BITS   5 /* bits of precision in R/B histogram */

Definition at line 132 of file jquant2.c.

◆ HIST_C0_ELEMS

#define HIST_C0_ELEMS   (1<<HIST_C0_BITS)

Definition at line 137 of file jquant2.c.

◆ HIST_C1_BITS

#define HIST_C1_BITS   6 /* bits of precision in G histogram */

Definition at line 133 of file jquant2.c.

◆ HIST_C1_ELEMS

#define HIST_C1_ELEMS   (1<<HIST_C1_BITS)

Definition at line 138 of file jquant2.c.

◆ HIST_C2_BITS

#define HIST_C2_BITS   5 /* bits of precision in B/R histogram */

Definition at line 134 of file jquant2.c.

◆ HIST_C2_ELEMS

#define HIST_C2_ELEMS   (1<<HIST_C2_BITS)

Definition at line 139 of file jquant2.c.

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 20 of file jquant2.c.

◆ MAXNUMCOLORS

#define MAXNUMCOLORS   (MAXJSAMPLE+1) /* maximum size of colormap */

Definition at line 127 of file jquant2.c.

◆ R_SCALE

#define R_SCALE   2 /* scale R distances by this much */

Definition at line 73 of file jquant2.c.

◆ STEP_C0

#define STEP_C0   ((1 << C0_SHIFT) * C0_SCALE)

◆ STEP_C1

#define STEP_C1   ((1 << C1_SHIFT) * C1_SCALE)

◆ STEP_C2

#define STEP_C2   ((1 << C2_SHIFT) * C2_SCALE)

◆ STEPSIZE

#define STEPSIZE   ((MAXJSAMPLE+1)/16)

Typedef Documentation

◆ boxptr

typedef box* boxptr

Definition at line 269 of file jquant2.c.

◆ FSERROR

typedef INT16 FSERROR

Definition at line 181 of file jquant2.c.

◆ FSERRPTR

typedef FSERROR FAR* FSERRPTR

Definition at line 188 of file jquant2.c.

◆ hist1d

typedef histcell hist1d[HIST_C2_ELEMS]

Definition at line 151 of file jquant2.c.

◆ hist2d

typedef hist1d FAR* hist2d

Definition at line 152 of file jquant2.c.

◆ hist3d

typedef hist2d* hist3d

Definition at line 153 of file jquant2.c.

◆ histcell

typedef UINT16 histcell

Definition at line 147 of file jquant2.c.

◆ histptr

typedef histcell FAR* histptr

Definition at line 149 of file jquant2.c.

◆ LOCFSERROR

typedef int LOCFSERROR

Definition at line 182 of file jquant2.c.

◆ my_cquantize_ptr

typedef my_cquantizer* my_cquantize_ptr

Definition at line 211 of file jquant2.c.

Function Documentation

◆ compute_color()

compute_color ( j_decompress_ptr  cinfo,
boxptr  boxp,
int  icolor 
)

Definition at line 499 of file jquant2.c.

◆ fill_inverse_cmap()

fill_inverse_cmap ( j_decompress_ptr  cinfo,
int  c0,
int  c1,
int  c2 
)

Definition at line 855 of file jquant2.c.

◆ find_best_colors()

find_best_colors ( j_decompress_ptr  cinfo,
int  minc0,
int  minc1,
int  minc2,
int  numcolors,
JSAMPLE  colorlist[],
JSAMPLE  bestcolor[] 
)

Definition at line 775 of file jquant2.c.

◆ find_biggest_color_pop()

find_biggest_color_pop ( boxptr  boxlist,
int  numboxes 
)

Definition at line 273 of file jquant2.c.

◆ find_biggest_volume()

find_biggest_volume ( boxptr  boxlist,
int  numboxes 
)

Definition at line 293 of file jquant2.c.

◆ find_nearby_colors()

find_nearby_colors ( j_decompress_ptr  cinfo,
int  minc0,
int  minc1,
int  minc2,
JSAMPLE  colorlist[] 
)

Definition at line 646 of file jquant2.c.

◆ finish_pass1()

finish_pass1 ( j_decompress_ptr  cinfo)

Definition at line 1143 of file jquant2.c.

◆ finish_pass2()

finish_pass2 ( j_decompress_ptr  cinfo)

Definition at line 1156 of file jquant2.c.

◆ init_error_limit()

init_error_limit ( j_decompress_ptr  cinfo)

Definition at line 1108 of file jquant2.c.

◆ jinit_2pass_quantizer()

jinit_2pass_quantizer ( j_decompress_ptr  cinfo)

Definition at line 1244 of file jquant2.c.

◆ median_cut()

median_cut ( j_decompress_ptr  cinfo,
boxptr  boxlist,
int  numboxes,
int  desired_colors 
)

Definition at line 424 of file jquant2.c.

◆ new_color_map_2_quant()

new_color_map_2_quant ( j_decompress_ptr  cinfo)

Definition at line 1230 of file jquant2.c.

◆ pass2_fs_dither()

pass2_fs_dither ( j_decompress_ptr  cinfo,
JSAMPARRAY  input_buf,
JSAMPARRAY  output_buf,
int  num_rows 
)

Definition at line 949 of file jquant2.c.

◆ pass2_no_dither()

pass2_no_dither ( j_decompress_ptr  cinfo,
JSAMPARRAY  input_buf,
JSAMPARRAY  output_buf,
int  num_rows 
)

Definition at line 915 of file jquant2.c.

◆ prescan_quantize()

prescan_quantize ( j_decompress_ptr  cinfo,
JSAMPARRAY  input_buf,
JSAMPARRAY  output_buf,
int  num_rows 
)

Definition at line 224 of file jquant2.c.

◆ select_colors()

select_colors ( j_decompress_ptr  cinfo,
int  desired_colors 
)

Definition at line 539 of file jquant2.c.

◆ start_pass_2_quant()

start_pass_2_quant ( j_decompress_ptr  cinfo,
boolean  is_pre_scan 
)

Definition at line 1167 of file jquant2.c.

◆ update_box()

update_box ( j_decompress_ptr  cinfo,
boxptr  boxp 
)

Definition at line 313 of file jquant2.c.


openhrp3
Author(s): AIST, General Robotix Inc., Nakamura Lab of Dept. of Mechano Informatics at University of Tokyo
autogenerated on Thu Sep 8 2022 02:24:06