jdcolor.cpp File Reference

#include "jinclude.h"
#include "mrpt_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
	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)
	jinit_color_deconverter (j_decompress_ptr cinfo)

Macro Definition Documentation

FIX

#define FIX

(

x

)

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

Definition at line 60 of file jdcolor.cpp.

Referenced by build_ycc_rgb_table().

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jdcolor.cpp.

ONE_HALF

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

Definition at line 59 of file jdcolor.cpp.

Referenced by build_ycc_rgb_table().

SCALEBITS

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

Definition at line 58 of file jdcolor.cpp.

Referenced by build_ycc_rgb_table(), ycc_rgb_convert(), and ycck_cmyk_convert().

Typedef Documentation

my_cconvert_ptr

typedef my_color_deconverter* my_cconvert_ptr

Definition at line 27 of file jdcolor.cpp.

Function Documentation

build_ycc_rgb_table()

build_ycc_rgb_table

(

j_decompress_ptr

cinfo

)

Definition at line 67 of file jdcolor.cpp.

References CENTERJSAMPLE, FIX, JPOOL_IMAGE, MAXJSAMPLE, ONE_HALF, RIGHT_SHIFT, SCALEBITS, SHIFT_TEMPS, and SIZEOF.

Referenced by jinit_color_deconverter().

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gray_rgb_convert()

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

Definition at line 213 of file jdcolor.cpp.

References inptr, outptr, and output_buf.

Referenced by jinit_color_deconverter().

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grayscale_convert()

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

Definition at line 197 of file jdcolor.cpp.

References jcopy_sample_rows(), and output_buf.

Referenced by jinit_color_deconverter().

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jinit_color_deconverter()

jinit_color_deconverter

(

j_decompress_ptr

cinfo

)

Definition at line 299 of file jdcolor.cpp.

References build_ycc_rgb_table(), ERREXIT, FALSE, gray_rgb_convert(), grayscale_convert(), JCS_CMYK, JCS_GRAYSCALE, JCS_RGB, JCS_YCbCr, JCS_YCCK, JPOOL_IMAGE, null_convert(), my_color_converter::pub, SIZEOF, start_pass_dcolor(), ycc_rgb_convert(), and ycck_cmyk_convert().

Referenced by master_selection().

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null_convert()

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

Definition at line 163 of file jdcolor.cpp.

References inptr, outptr, and output_buf.

Referenced by jinit_color_deconverter().

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start_pass_dcolor()

start_pass_dcolor

(

j_decompress_ptr

)

Definition at line 293 of file jdcolor.cpp.

Referenced by jinit_color_deconverter().

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ycc_rgb_convert()

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

Definition at line 113 of file jdcolor.cpp.

References GETJSAMPLE, outptr, output_buf, range_limit, RIGHT_SHIFT, SCALEBITS, and SHIFT_TEMPS.

Referenced by jinit_color_deconverter().

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ycck_cmyk_convert()

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

Definition at line 242 of file jdcolor.cpp.

References GETJSAMPLE, MAXJSAMPLE, outptr, output_buf, range_limit, RIGHT_SHIFT, SCALEBITS, and SHIFT_TEMPS.

Referenced by jinit_color_deconverter().

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