#include "tiffiop.h"
#include "tif_predict.h"
#include "zlib.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

Macros
#define	TSIZE 2048 /* decode table size (11-bit tokens) */

#define	TSIZEP1 2049 /* Plus one for slop */

#define	ONE 1250 /* token value of 1.0 exactly */

#define	RATIO 1.004 /* nominal ratio for log part */

#define	CODE_MASK 0x7ff /* 11 bits. */

#define	REPEAT(n, op) { int i; i=n; do { i--; op; } while (i>0); }

#define	SCALE12 2048.0F

#define	CLAMP12(t) (((t) < 3071) ? (uint16) (t) : 3071)

#define	PLSTATE_INIT 1

#define	DecoderState(tif) ((PixarLogState*) (tif)->tif_data)

#define	EncoderState(tif) ((PixarLogState*) (tif)->tif_data)

#define	N(a) (sizeof(a)/sizeof(a[0]))

#define	PIXARLOGDATAFMT_UNKNOWN -1

#define	CLAMP(v)

#define	CLAMP(v) From14[(v) >> 2]

#define	CLAMP(v) (From8[(v)])

Functions
int	TIFFInitPixarLog (TIFF *tif, int scheme)

Macro Definition Documentation

◆ CLAMP [1/3]

#define CLAMP ( v )

Value:

( (v<(float)0.)   ? 0               \
          : (v<(float)2.)   ? FromLT2[(int)(v*fltsize)] \
          : (v>(float)24.2) ? 2047          \
          : LogK1*log(v*LogK2) + 0.5 )

◆ CLAMP [2/3]

#define CLAMP ( v ) From14[(v) >> 2]

◆ CLAMP [3/3]

#define CLAMP ( v ) (From8[(v)])

◆ CLAMP12

#define CLAMP12 ( t ) (((t) < 3071) ? (uint16) (t) : 3071)

◆ CODE_MASK

#define CODE_MASK 0x7ff /* 11 bits. */

Definition at line 103 of file tif_pixarlog.c.

◆ DecoderState

#define DecoderState ( tif ) ((PixarLogState*) (tif)->tif_data)

Definition at line 590 of file tif_pixarlog.c.

◆ EncoderState

#define EncoderState ( tif ) ((PixarLogState*) (tif)->tif_data)

Definition at line 591 of file tif_pixarlog.c.

◆ N

#define N ( a ) (sizeof(a)/sizeof(a[0]))

Definition at line 596 of file tif_pixarlog.c.

◆ ONE

#define ONE 1250 /* token value of 1.0 exactly */

Definition at line 100 of file tif_pixarlog.c.

◆ PIXARLOGDATAFMT_UNKNOWN

#define PIXARLOGDATAFMT_UNKNOWN -1

Definition at line 597 of file tif_pixarlog.c.

Referenced by TIFFInitPixarLog().

◆ PLSTATE_INIT

#define PLSTATE_INIT 1

Definition at line 462 of file tif_pixarlog.c.

◆ RATIO

#define RATIO 1.004 /* nominal ratio for log part */

Definition at line 101 of file tif_pixarlog.c.

◆ REPEAT

#define REPEAT	(	n,
		op
	)	{ int i; i=n; do { i--; op; } while (i>0); }

Definition at line 108 of file tif_pixarlog.c.

◆ SCALE12

#define SCALE12 2048.0F

◆ TSIZE

#define TSIZE 2048 /* decode table size (11-bit tokens) */

Definition at line 98 of file tif_pixarlog.c.

◆ TSIZEP1

#define TSIZEP1 2049 /* Plus one for slop */

Definition at line 99 of file tif_pixarlog.c.

Function Documentation

◆ TIFFInitPixarLog()

int TIFFInitPixarLog	(	TIFF *	tif,
		int	scheme
	)

Definition at line 1279 of file tif_pixarlog.c.

References _TIFFmalloc(), _TIFFmemset(), COMPRESSION_PIXARLOG, NULL, PIXARLOGDATAFMT_UNKNOWN, tiff::tif_data, tiff::tif_setupdecode, and Z_BINARY.

Macros

Functions