jdcolor.c File Reference

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

Go to the source code of this file.

Classes
struct	my_color_deconverter

Macros
#define	JPEG_INTERNALS
#define	SCALEBITS   16 /* speediest right-shift on some machines */
#define	ONE_HALF   ((INT32) 1 << (SCALEBITS-1))
#define	FIX(x)   ((INT32) ((x) * (1L<<SCALEBITS) + 0.5))

Typedefs
typedef my_color_deconverter *	my_cconvert_ptr

Functions
LOCAL void	build_ycc_rgb_table (j_decompress_ptr cinfo)
METHODDEF void	ycc_rgb_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
METHODDEF void	null_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
METHODDEF void	grayscale_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
METHODDEF void	ycck_cmyk_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
METHODDEF void	start_pass_dcolor (j_decompress_ptr cinfo)
GLOBAL void	jinit_color_deconverter (j_decompress_ptr cinfo)

Macro Definition Documentation

#define FIX

(

x

)

((INT32) ((x) * (1L<<SCALEBITS) + 0.5))

Definition at line 62 of file jdcolor.c.

#define JPEG_INTERNALS

Definition at line 11 of file jdcolor.c.

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

Definition at line 61 of file jdcolor.c.

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

Definition at line 60 of file jdcolor.c.

Typedef Documentation

typedef my_color_deconverter* my_cconvert_ptr

Definition at line 28 of file jdcolor.c.

Function Documentation

LOCAL void build_ycc_rgb_table

(

j_decompress_ptr

cinfo

)

Definition at line 70 of file jdcolor.c.

METHODDEF void grayscale_convert	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	input_row,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 201 of file jdcolor.c.

GLOBAL void jinit_color_deconverter

(

j_decompress_ptr

cinfo

)

Definition at line 277 of file jdcolor.c.

METHODDEF void null_convert	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	input_row,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 169 of file jdcolor.c.

METHODDEF void start_pass_dcolor

(

j_decompress_ptr

cinfo

)

Definition at line 266 of file jdcolor.c.

METHODDEF void ycc_rgb_convert	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	input_row,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 120 of file jdcolor.c.

METHODDEF void ycck_cmyk_convert	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	input_row,
		JSAMPARRAY	output_buf,
		int	num_rows
	)

Definition at line 218 of file jdcolor.c.