#include "jinclude.h"
#include "mrpt_jpeglib.h"
#include <mrpt/utils/mrpt_macros.h>

Include dependency graph for jquant1.cpp:

Classes
struct	my_cquantizer

Macros
#define	JPEG_INTERNALS

#define	ODITHER_SIZE 16 /* dimension of dither matrix */

#define	ODITHER_CELLS (ODITHER_SIZEODITHER_SIZE) / # cells in matrix */

#define	ODITHER_MASK (ODITHER_SIZE-1) /* mask for wrapping around counters */

#define	MAX_Q_COMPS 4 /* max components I can handle */

Typedefs
typedef int	ODITHER_MATRIX[ODITHER_SIZE][ODITHER_SIZE]

typedef int(*	ODITHER_MATRIX_PTR)[ODITHER_SIZE]

typedef INT16	FSERROR

typedef int	LOCFSERROR

typedef FSERROR FAR *	FSERRPTR

typedef my_cquantizer *	my_cquantize_ptr

Functions
	select_ncolors (j_decompress_ptr cinfo, int Ncolors[])

	output_value (j_decompress_ptr cinfo, int ci, int j, int maxj)

	largest_input_value (j_decompress_ptr cinfo, int ci, int j, int maxj)

	create_colormap (j_decompress_ptr cinfo)

	create_colorindex (j_decompress_ptr cinfo)

	make_odither_array (j_decompress_ptr cinfo, int ncolors)

	create_odither_tables (j_decompress_ptr cinfo)

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

	color_quantize3 (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)

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

	quantize3_ord_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)

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

	alloc_fs_workspace (j_decompress_ptr cinfo)

	start_pass_1_quant (j_decompress_ptr cinfo, boolean is_pre_scan)

	finish_pass_1_quant (j_decompress_ptr)

	new_color_map_1_quant (j_decompress_ptr cinfo)

	jinit_1pass_quantizer (j_decompress_ptr cinfo)

Variables
static const UINT8	base_dither_matrix [ODITHER_SIZE][ODITHER_SIZE]

Macro Definition Documentation

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jquant1.cpp.

◆ MAX_Q_COMPS

#define MAX_Q_COMPS 4 /* max components I can handle */

Definition at line 138 of file jquant1.cpp.

Referenced by jinit_1pass_quantizer().

◆ ODITHER_CELLS

#define ODITHER_CELLS (ODITHER_SIZE*ODITHER_SIZE) /* # cells in matrix */

Definition at line 71 of file jquant1.cpp.

Referenced by make_odither_array().

◆ ODITHER_MASK

#define ODITHER_MASK (ODITHER_SIZE-1) /* mask for wrapping around counters */

Definition at line 72 of file jquant1.cpp.

Referenced by quantize3_ord_dither(), and quantize_ord_dither().

◆ ODITHER_SIZE

#define ODITHER_SIZE 16 /* dimension of dither matrix */

Definition at line 69 of file jquant1.cpp.

Referenced by make_odither_array().

Typedef Documentation

◆ FSERROR

typedef INT16 FSERROR

Definition at line 126 of file jquant1.cpp.

◆ FSERRPTR

typedef FSERROR FAR* FSERRPTR

Definition at line 133 of file jquant1.cpp.

◆ LOCFSERROR

typedef int LOCFSERROR

Definition at line 127 of file jquant1.cpp.

◆ my_cquantize_ptr

typedef my_cquantizer* my_cquantize_ptr

Definition at line 165 of file jquant1.cpp.

◆ ODITHER_MATRIX

typedef int ODITHER_MATRIX[ODITHER_SIZE][ODITHER_SIZE]

Definition at line 74 of file jquant1.cpp.

◆ ODITHER_MATRIX_PTR

typedef int(* ODITHER_MATRIX_PTR)[ODITHER_SIZE]

Definition at line 75 of file jquant1.cpp.

Function Documentation

◆ alloc_fs_workspace()

alloc_fs_workspace ( j_decompress_ptr cinfo )

Definition at line 722 of file jquant1.cpp.

References my_cquantizer::fserrors, JPOOL_IMAGE, and SIZEOF.

Referenced by jinit_1pass_quantizer(), and start_pass_1_quant().

◆ color_quantize()

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

Definition at line 459 of file jquant1.cpp.

References my_cquantizer::colorindex, GETJSAMPLE, input_buf, num_rows, and output_buf.

Referenced by start_pass_1_quant().

◆ color_quantize3()

color_quantize3	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 487 of file jquant1.cpp.

References my_cquantizer::colorindex, GETJSAMPLE, input_buf, num_rows, and output_buf.

Referenced by start_pass_1_quant().

◆ create_colorindex()

create_colorindex ( j_decompress_ptr cinfo )

Definition at line 333 of file jquant1.cpp.

References my_cquantizer::colorindex, FALSE, my_cquantizer::is_padded, JDITHER_ORDERED, JPOOL_IMAGE, largest_input_value(), MAXJSAMPLE, my_cquantizer::Ncolors, my_cquantizer::sv_actual, TRUE, and val.

Referenced by jinit_1pass_quantizer(), and start_pass_1_quant().

◆ create_colormap()

create_colormap ( j_decompress_ptr cinfo )

Definition at line 273 of file jquant1.cpp.

References mrpt::utils::colormap(), JPOOL_IMAGE, my_cquantizer::Ncolors, output_value(), select_ncolors(), my_cquantizer::sv_actual, my_cquantizer::sv_colormap, TRACEMS1, TRACEMS4, and val.

Referenced by jinit_1pass_quantizer().

◆ create_odither_tables()

create_odither_tables ( j_decompress_ptr cinfo )

Definition at line 432 of file jquant1.cpp.

References make_odither_array(), my_cquantizer::Ncolors, and my_cquantizer::odither.

Referenced by start_pass_1_quant().

◆ finish_pass_1_quant()

finish_pass_1_quant ( j_decompress_ptr )

Definition at line 799 of file jquant1.cpp.

Referenced by jinit_1pass_quantizer().

◆ jinit_1pass_quantizer()

jinit_1pass_quantizer ( j_decompress_ptr cinfo )

Definition at line 822 of file jquant1.cpp.

References alloc_fs_workspace(), create_colorindex(), create_colormap(), ERREXIT1, finish_pass_1_quant(), my_cquantizer::fserrors, JDITHER_FS, JPOOL_IMAGE, MAX_Q_COMPS, MAXJSAMPLE, new_color_map_1_quant(), my_cquantizer::odither, my_cquantizer::pub, SIZEOF, and start_pass_1_quant().

Referenced by master_selection().

◆ largest_input_value()

largest_input_value	(	j_decompress_ptr	cinfo,
		int	ci,
		int	j,
		int	maxj
	)

Definition at line 258 of file jquant1.cpp.

References MAXJSAMPLE, and MRPT_UNUSED_PARAM.

Referenced by create_colorindex().

◆ make_odither_array()

make_odither_array	(	j_decompress_ptr	cinfo,
		int	ncolors
	)

Definition at line 396 of file jquant1.cpp.

References base_dither_matrix, JPOOL_IMAGE, MAXJSAMPLE, ODITHER_CELLS, ODITHER_SIZE, and SIZEOF.

Referenced by create_odither_tables().

◆ new_color_map_1_quant()

new_color_map_1_quant ( j_decompress_ptr cinfo )

Definition at line 811 of file jquant1.cpp.

References ERREXIT.

Referenced by jinit_1pass_quantizer().

◆ output_value()

output_value	(	j_decompress_ptr	cinfo,
		int	ci,
		int	j,
		int	maxj
	)

Definition at line 243 of file jquant1.cpp.

References MAXJSAMPLE, and MRPT_UNUSED_PARAM.

Referenced by create_colormap().

◆ quantize3_ord_dither()

quantize3_ord_dither	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 565 of file jquant1.cpp.

References my_cquantizer::colorindex, GETJSAMPLE, input_buf, num_rows, my_cquantizer::odither, ODITHER_MASK, output_buf, and my_cquantizer::row_index.

Referenced by start_pass_1_quant().

◆ quantize_fs_dither()

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

Definition at line 610 of file jquant1.cpp.

References my_cquantizer::colorindex, FALSE, FAR, my_cquantizer::fserrors, GETJSAMPLE, input_buf, jzero_far(), num_rows, my_cquantizer::on_odd_row, output_buf, RIGHT_SHIFT, SHIFT_TEMPS, SIZEOF, my_cquantizer::sv_colormap, and TRUE.

Referenced by start_pass_1_quant().

◆ quantize_ord_dither()

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

Definition at line 515 of file jquant1.cpp.

References my_cquantizer::colorindex, FAR, GETJSAMPLE, input_buf, jzero_far(), num_rows, my_cquantizer::odither, ODITHER_MASK, output_buf, my_cquantizer::row_index, and SIZEOF.

Referenced by start_pass_1_quant().

◆ select_ncolors()

select_ncolors	(	j_decompress_ptr	cinfo,
		int	Ncolors[]
	)

Definition at line 184 of file jquant1.cpp.

References ERREXIT1, FALSE, JCS_RGB, and TRUE.

Referenced by create_colormap().

◆ start_pass_1_quant()

start_pass_1_quant	(	j_decompress_ptr	cinfo,
		boolean	is_pre_scan
	)

Variable Documentation

◆ base_dither_matrix

const UINT8 base_dither_matrix[ODITHER_SIZE][ODITHER_SIZE]

static

Initial value:

= {
  
  {   0,192, 48,240, 12,204, 60,252,  3,195, 51,243, 15,207, 63,255 },
  { 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 },
  {  32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 },
  { 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 },
  {   8,200, 56,248,  4,196, 52,244, 11,203, 59,251,  7,199, 55,247 },
  { 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 },
  {  40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 },
  { 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 },
  {   2,194, 50,242, 14,206, 62,254,  1,193, 49,241, 13,205, 61,253 },
  { 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 },
  {  34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 },
  { 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 },
  {  10,202, 58,250,  6,198, 54,246,  9,201, 57,249,  5,197, 53,245 },
  { 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 },
  {  42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 },
  { 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 }
}

Definition at line 77 of file jquant1.cpp.

Referenced by make_odither_array().

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ JPEG_INTERNALS

◆ MAX_Q_COMPS

◆ ODITHER_CELLS

◆ ODITHER_MASK

◆ ODITHER_SIZE

Typedef Documentation

◆ FSERROR

◆ FSERRPTR

◆ LOCFSERROR

◆ my_cquantize_ptr

◆ ODITHER_MATRIX

◆ ODITHER_MATRIX_PTR

Function Documentation

◆ alloc_fs_workspace()

◆ color_quantize()

◆ color_quantize3()

◆ create_colorindex()

◆ create_colormap()

◆ create_odither_tables()

◆ finish_pass_1_quant()

◆ jinit_1pass_quantizer()

◆ largest_input_value()

◆ make_odither_array()

◆ new_color_map_1_quant()

◆ output_value()

◆ quantize3_ord_dither()

◆ quantize_fs_dither()

◆ quantize_ord_dither()

◆ select_ncolors()

◆ start_pass_1_quant()

Variable Documentation

◆ base_dither_matrix