D:/Lukas Daten/Programmierungen/C++/HLC/Sonstige/Software/SoftPixelEngine/sources/Plugins/jpeglib/jutils.c File Reference

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

Defines
#define	JPEG_INTERNALS
#define	FMEMCOPY(dest, src, size)   MEMCOPY(dest,src,size)
#define	FMEMZERO(target, size)   MEMZERO(target,size)
Functions
	jdiv_round_up (long a, long b)
	jround_up (long a, long b)
	jcopy_sample_rows (JSAMPARRAY input_array, int source_row, JSAMPARRAY output_array, int dest_row, int num_rows, JDIMENSION num_cols)
	jcopy_block_row (JBLOCKROW input_row, JBLOCKROW output_row, JDIMENSION num_blocks)
	jzero_far (void FAR *target, size_t bytestozero)
Variables
const int	jpeg_natural_order [DCTSIZE2+16]
const int	jpeg_natural_order7 [7 *7+16]
const int	jpeg_natural_order6 [6 *6+16]
const int	jpeg_natural_order5 [5 *5+16]
const int	jpeg_natural_order4 [4 *4+16]
const int	jpeg_natural_order3 [3 *3+16]
const int	jpeg_natural_order2 [2 *2+16]

---

Define Documentation

#define FMEMCOPY	(		dest,
			src,
			size
	)			MEMCOPY(dest,src,size)

#define FMEMZERO	(		target,
			size
	)			MEMZERO(target,size)

#define JPEG_INTERNALS

---

Function Documentation

jcopy_block_row	(	JBLOCKROW	input_row,
		JBLOCKROW	output_row,
		JDIMENSION	num_blocks
	)

jcopy_sample_rows	(	JSAMPARRAY	input_array,
		int	source_row,
		JSAMPARRAY	output_array,
		int	dest_row,
		int	num_rows,
		JDIMENSION	num_cols
	)

jdiv_round_up	(	long	a,
		long	b
	)

jround_up	(	long	a,
		long	b
	)

jzero_far	(	void FAR *	target,
		size_t	bytestozero
	)

---

Variable Documentation

const int jpeg_natural_order[DCTSIZE2+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 32, 25, 18, 11,  4,  5,
 12, 19, 26, 33, 40, 48, 41, 34,
 27, 20, 13,  6,  7, 14, 21, 28,
 35, 42, 49, 56, 57, 50, 43, 36,
 29, 22, 15, 23, 30, 37, 44, 51,
 58, 59, 52, 45, 38, 31, 39, 46,
 53, 60, 61, 54, 47, 55, 62, 63,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order2[2 *2+16]

Initial value:

 {
  0,  1,  8,  9,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order3[3 *3+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2, 10, 17,
 18,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order4[4 *4+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 25, 18, 11, 19, 26, 27,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order5[5 *5+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 32, 25, 18, 11,  4, 12,
 19, 26, 33, 34, 27, 20, 28, 35,
 36,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order6[6 *6+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 32, 25, 18, 11,  4,  5,
 12, 19, 26, 33, 40, 41, 34, 27,
 20, 13, 21, 28, 35, 42, 43, 36,
 29, 37, 44, 45,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}

const int jpeg_natural_order7[7 *7+16]

Initial value:

 {
  0,  1,  8, 16,  9,  2,  3, 10,
 17, 24, 32, 25, 18, 11,  4,  5,
 12, 19, 26, 33, 40, 48, 41, 34,
 27, 20, 13,  6, 14, 21, 28, 35,
 42, 49, 50, 43, 36, 29, 22, 30,
 37, 44, 51, 52, 45, 38, 46, 53,
 54,
 63, 63, 63, 63, 63, 63, 63, 63, 
 63, 63, 63, 63, 63, 63, 63, 63
}