jdcolor.cpp File Reference

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

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
	build_ycc_rgb_table (j_decompress_ptr cinfo)
	ycc_rgb_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
	null_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
	grayscale_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
	gray_rgb_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
	ycck_cmyk_convert (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row, JSAMPARRAY output_buf, int num_rows)
	start_pass_dcolor (j_decompress_ptr cinfo)
	jinit_color_deconverter (j_decompress_ptr cinfo)

Macro Definition Documentation

FIX

#define FIX

(

x

)

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

JPEG_INTERNALS

#define JPEG_INTERNALS

ONE_HALF

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

SCALEBITS

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

Typedef Documentation

my_cconvert_ptr

typedef my_color_deconverter* my_cconvert_ptr

Function Documentation

build_ycc_rgb_table()

build_ycc_rgb_table

(

j_decompress_ptr

cinfo

)

gray_rgb_convert()

gray_rgb_convert	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	input_row,
		JSAMPARRAY	output_buf,
		int	num_rows )

grayscale_convert()

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

jinit_color_deconverter()

jinit_color_deconverter

(

j_decompress_ptr

cinfo

)

null_convert()

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

start_pass_dcolor()

start_pass_dcolor

(

j_decompress_ptr

cinfo

)

ycc_rgb_convert()

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

ycck_cmyk_convert()

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