#include "jinclude.h"
#include "jpeglib.h"

Include dependency graph for jccolor.c:

Classes
struct	my_color_converter

Macros
#define	B_CB_OFF (5*(MAXJSAMPLE+1))

#define	B_CR_OFF (7*(MAXJSAMPLE+1))

#define	B_Y_OFF (2(MAXJSAMPLE+1)) / etc. */

#define	CBCR_OFFSET ((INT32) CENTERJSAMPLE << SCALEBITS)

#define	FIX(x) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5))

#define	G_CB_OFF (4*(MAXJSAMPLE+1))

#define	G_CR_OFF (6*(MAXJSAMPLE+1))

#define	G_Y_OFF (1(MAXJSAMPLE+1)) / offset to G => Y section */

#define	JPEG_INTERNALS

#define	ONE_HALF ((INT32) 1 << (SCALEBITS-1))

#define	R_CB_OFF (3*(MAXJSAMPLE+1))

#define	R_CR_OFF B_CB_OFF /* B=>Cb, R=>Cr are the same */

#define	R_Y_OFF 0 /* offset to R => Y section */

#define	SCALEBITS 16 /* speediest right-shift on some machines */

#define	TABLE_SIZE (8*(MAXJSAMPLE+1))

Typedefs
typedef my_color_converter *	my_cconvert_ptr

Functions
	cmyk_ycck_convert (j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows)

	grayscale_convert (j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows)

	jinit_color_converter (j_compress_ptr cinfo)

	null_convert (j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows)

	null_method (j_compress_ptr cinfo)

	rgb_gray_convert (j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows)

	rgb_ycc_convert (j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows)

	rgb_ycc_start (j_compress_ptr cinfo)

Macro Definition Documentation

◆ B_CB_OFF

#define B_CB_OFF (5*(MAXJSAMPLE+1))

Definition at line 74 of file jccolor.c.

◆ B_CR_OFF

#define B_CR_OFF (7*(MAXJSAMPLE+1))

Definition at line 77 of file jccolor.c.

◆ B_Y_OFF

#define B_Y_OFF (2*(MAXJSAMPLE+1)) /* etc. */

Definition at line 71 of file jccolor.c.

◆ CBCR_OFFSET

#define CBCR_OFFSET ((INT32) CENTERJSAMPLE << SCALEBITS)

Definition at line 59 of file jccolor.c.

◆ FIX

#define FIX ( x ) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5))

Definition at line 61 of file jccolor.c.

◆ G_CB_OFF

#define G_CB_OFF (4*(MAXJSAMPLE+1))

Definition at line 73 of file jccolor.c.

◆ G_CR_OFF

#define G_CR_OFF (6*(MAXJSAMPLE+1))

Definition at line 76 of file jccolor.c.

◆ G_Y_OFF

#define G_Y_OFF (1*(MAXJSAMPLE+1)) /* offset to G => Y section */

Definition at line 70 of file jccolor.c.

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 11 of file jccolor.c.

◆ ONE_HALF

#define ONE_HALF ((INT32) 1 << (SCALEBITS-1))

Definition at line 60 of file jccolor.c.

◆ R_CB_OFF

#define R_CB_OFF (3*(MAXJSAMPLE+1))

Definition at line 72 of file jccolor.c.

◆ R_CR_OFF

#define R_CR_OFF B_CB_OFF /* B=>Cb, R=>Cr are the same */

Definition at line 75 of file jccolor.c.

◆ R_Y_OFF

#define R_Y_OFF 0 /* offset to R => Y section */

Definition at line 69 of file jccolor.c.

◆ SCALEBITS

#define SCALEBITS 16 /* speediest right-shift on some machines */

Definition at line 58 of file jccolor.c.

◆ TABLE_SIZE

#define TABLE_SIZE (8*(MAXJSAMPLE+1))

Definition at line 78 of file jccolor.c.

Typedef Documentation

◆ my_cconvert_ptr

typedef my_color_converter* my_cconvert_ptr

Definition at line 25 of file jccolor.c.

Function Documentation

◆ cmyk_ycck_convert()

cmyk_ycck_convert	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPIMAGE	output_buf,
		JDIMENSION	output_row,
		int	num_rows
	)

Definition at line 225 of file jccolor.c.

◆ grayscale_convert()

grayscale_convert	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPIMAGE	output_buf,
		JDIMENSION	output_row,
		int	num_rows
	)

Definition at line 280 of file jccolor.c.

◆ jinit_color_converter()

jinit_color_converter ( j_compress_ptr cinfo )

Definition at line 352 of file jccolor.c.

◆ null_convert()

null_convert	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPIMAGE	output_buf,
		JDIMENSION	output_row,
		int	num_rows
	)

Definition at line 309 of file jccolor.c.

◆ null_method()

null_method ( j_compress_ptr cinfo )

Definition at line 341 of file jccolor.c.

◆ rgb_gray_convert()

rgb_gray_convert	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPIMAGE	output_buf,
		JDIMENSION	output_row,
		int	num_rows
	)

Definition at line 186 of file jccolor.c.

◆ rgb_ycc_convert()

rgb_ycc_convert	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JSAMPIMAGE	output_buf,
		JDIMENSION	output_row,
		int	num_rows
	)

Definition at line 130 of file jccolor.c.

◆ rgb_ycc_start()

rgb_ycc_start ( j_compress_ptr cinfo )

Definition at line 86 of file jccolor.c.

Classes

Macros

Typedefs

Functions