| 1 |
< |
/* Copyright (c) 1996 Regents of the University of California */ |
| 2 |
< |
|
| 3 |
< |
/* SCCSid "$SunId$ LBL" */ |
| 4 |
< |
|
| 1 |
> |
/* RCSid: $Id$ */ |
| 2 |
|
/* |
| 3 |
|
* Header file for picture file conditioning. |
| 4 |
|
*/ |
| 5 |
+ |
#ifndef _RAD_PCOND_H_ |
| 6 |
+ |
#define _RAD_PCOND_H_ |
| 7 |
|
|
| 8 |
|
#include "standard.h" |
| 10 |
– |
|
| 9 |
|
#include "color.h" |
| 12 |
– |
|
| 10 |
|
#include "view.h" |
| 11 |
+ |
#include "paths.h" |
| 12 |
|
|
| 13 |
< |
#include "resolu.h" |
| 13 |
> |
#ifdef __cplusplus |
| 14 |
> |
extern "C" { |
| 15 |
> |
#endif |
| 16 |
|
|
| 17 |
+ |
#ifndef ADJ_VEIL |
| 18 |
+ |
#define ADJ_VEIL 0 /* adjust veil to preserve contrast? */ |
| 19 |
+ |
#endif |
| 20 |
|
|
| 21 |
|
#define SWNORM 2.26 /* scotopic/photopic ratio for white */ |
| 22 |
|
#define WHTSEFFICACY (SWNORM*WHTEFFICACY) |
| 23 |
|
|
| 24 |
< |
#define FOVDIA (1.0*PI/180.) /* foveal diameter (radians) */ |
| 24 |
> |
#define BotMesopic 5.62e-3 /* top of scotopic range */ |
| 25 |
> |
#define TopMesopic 5.62 /* bottom of photopic range */ |
| 26 |
|
|
| 27 |
+ |
#define FOVDIA (1.0*PI/180.0) /* foveal diameter (radians) */ |
| 28 |
+ |
|
| 29 |
|
#define HISTRES 100 /* histogram resolution */ |
| 30 |
+ |
#define MAXPREHIST 1024 /* maximum precomputed histogram */ |
| 31 |
|
|
| 32 |
< |
#define LMIN 1e-4 /* minimum visible world luminance */ |
| 33 |
< |
#define LMAX 1e5 /* maximum visible world luminance */ |
| 32 |
> |
#define LMIN 1e-7 /* minimum visible world luminance */ |
| 33 |
> |
#define LMAX 1e7 /* maximum visible world luminance */ |
| 34 |
|
|
| 35 |
|
#define Bl(Lw) log(Lw) /* brightness function */ |
| 36 |
|
#define Bl1(Lw) (1.0/(Lw)) /* first derivative of Bl(Lw) */ |
| 43 |
|
#define DO_HSENS 04 |
| 44 |
|
#define DO_COLOR 010 |
| 45 |
|
#define DO_CWEIGHT 020 |
| 46 |
< |
#define DO_LINEAR 040 |
| 46 |
> |
#define DO_FIXHIST 040 |
| 47 |
> |
#define DO_PREHIST 0100 |
| 48 |
> |
#define DO_LINEAR 0200 |
| 49 |
|
|
| 50 |
|
#define DO_HUMAN (DO_ACUITY|DO_VEIL|DO_HSENS|DO_COLOR) |
| 51 |
|
|
| 52 |
|
extern int what2do; /* desired adjustments */ |
| 53 |
|
|
| 54 |
|
extern double ldmax; /* maximum output luminance */ |
| 55 |
< |
extern double ldmin; /* minimum output luminance */ |
| 56 |
< |
extern double Bldmin, Bldmax; /* Bl(ldmin) and Bl(ldmax) */ |
| 55 |
> |
extern double lddyn; /* display dynamic range */ |
| 56 |
> |
extern double Bldmin, Bldmax; /* Bl(ldmax/lddyn) and Bl(ldmax) */ |
| 57 |
|
|
| 58 |
|
extern char *progname; /* global argv[0] */ |
| 59 |
|
|
| 60 |
|
extern char *infn; /* input file name */ |
| 61 |
|
extern FILE *infp; /* input stream */ |
| 53 |
– |
extern double rgblum(), cielum(); /* luminance functions */ |
| 62 |
|
extern double (*lumf)(); /* input luminance function */ |
| 63 |
|
extern double inpexp; /* input exposure value */ |
| 64 |
|
|
| 65 |
|
#define plum(clr) ((*lumf)(clr,0)/inpexp) |
| 66 |
|
#define slum(clr) ((*lumf)(clr,1)/inpexp) |
| 67 |
|
|
| 68 |
+ |
#define ldmin (ldmax/lddyn) |
| 69 |
+ |
|
| 70 |
|
extern COLOR *fovimg; /* foveal (1 degree) averaged image */ |
| 71 |
< |
extern short fvxr, fvyr; /* foveal image resolution */ |
| 71 |
> |
extern int fvxr, fvyr; /* foveal image resolution */ |
| 72 |
> |
extern float *crfimg; /* contrast reduction factors */ |
| 73 |
|
|
| 74 |
|
#define fovscan(y) (fovimg+(y)*fvxr) |
| 75 |
+ |
#define crfscan(y) (crfimg+(y)*fvxr) |
| 76 |
|
|
| 77 |
< |
extern int bwhist[HISTRES]; /* luminance histogram */ |
| 78 |
< |
extern long histot; /* total count of histogram */ |
| 77 |
> |
extern double fixfrac; /* histogram share due to fixations */ |
| 78 |
> |
extern short (*fixlst)[2]; /* fixation history list */ |
| 79 |
> |
extern int nfixations; /* number of fixation points */ |
| 80 |
> |
|
| 81 |
> |
extern double bwhist[HISTRES]; /* luminance histogram */ |
| 82 |
> |
extern double histot; /* total count of histogram */ |
| 83 |
|
extern double bwmin, bwmax; /* histogram limits */ |
| 84 |
|
extern double bwavg; /* mean brightness */ |
| 85 |
|
|
| 86 |
< |
#define bwhc(B) bwhist[(int)(HISTRES*((B)-bwmin)/(bwmax-bwmin))] |
| 86 |
> |
#define bwhi(B) (int)(HISTRES*((B)-bwmin)/(bwmax-bwmin)) |
| 87 |
|
|
| 88 |
|
extern RGBPRIMP inprims; /* input primaries */ |
| 89 |
|
extern COLORMAT inrgb2xyz; /* convert input RGB to XYZ */ |
| 97 |
|
extern RESOLU inpres; /* input picture resolution */ |
| 98 |
|
|
| 99 |
|
extern char *mbcalfile; /* macbethcal mapping file */ |
| 100 |
+ |
extern char *cwarpfile; /* color warp mapping file */ |
| 101 |
|
|
| 85 |
– |
extern double hacuity(); /* human acuity func. (cycles/deg.) */ |
| 86 |
– |
extern double htcontrs(); /* human contrast sens. func. */ |
| 102 |
|
|
| 103 |
< |
extern COLOR *firstscan(); /* first processed scanline */ |
| 104 |
< |
extern COLOR *nextscan(); /* next processed scanline */ |
| 103 |
> |
|
| 104 |
> |
/* defined in pcond.c */ |
| 105 |
> |
extern void syserror(char *s); |
| 106 |
> |
|
| 107 |
> |
/* defined in pcond2.c */ |
| 108 |
> |
extern double rgblum(COLOR clr, int scotopic); /* compute (scotopic) luminance of RGB color */ |
| 109 |
> |
extern double cielum(COLOR xyz, int scotopic); /* compute (scotopic) luminance of CIE color */ |
| 110 |
> |
extern COLOR *nextscan(void); /* next processed scanline */ |
| 111 |
> |
extern COLOR *firstscan(void); /* first processed scanline */ |
| 112 |
> |
|
| 113 |
> |
/* defined in pcond3.c */ |
| 114 |
> |
extern void getfixations(FILE *fp); /* load fixation history list */ |
| 115 |
> |
extern void gethisto(FILE *fp); /* load precomputed luminance histogram */ |
| 116 |
> |
extern void comphist(void); /* create foveal sampling histogram */ |
| 117 |
> |
extern double htcontrs(double La); /* human contrast sens. func. */ |
| 118 |
> |
extern double clampf(double La); /* histogram clamping function */ |
| 119 |
> |
extern double crfactor(double La); /* contrast reduction factor */ |
| 120 |
> |
extern int mkbrmap(void); /* make dynamic range map */ |
| 121 |
> |
extern void putmapping(FILE *fp); /* put out mapping function */ |
| 122 |
> |
extern void scotscan(COLOR *scan, int xres); /* apply scotopic color sensitivity loss */ |
| 123 |
> |
extern void mapscan(COLOR *scan, int xres); /* apply tone mapping operator to scanline */ |
| 124 |
> |
|
| 125 |
> |
/* defined in pcond4.c */ |
| 126 |
> |
extern void compveil(void); /* compute veiling image */ |
| 127 |
> |
#if ADJ_VEIL |
| 128 |
> |
extern void adjveil(void); /* adjust veil image */ |
| 129 |
> |
#endif |
| 130 |
> |
extern void acuscan(COLOR *scln, int y); /* get acuity-sampled scanline */ |
| 131 |
> |
extern void addveil(COLOR *sl, int y); /* add veil to scanline */ |
| 132 |
> |
extern void initacuity(void); /* initialize variable acuity sampling */ |
| 133 |
> |
extern double hacuity(double La); /* human acuity func. (cycles/deg.) */ |
| 134 |
> |
|
| 135 |
> |
#ifdef __cplusplus |
| 136 |
> |
} |
| 137 |
> |
#endif |
| 138 |
> |
#endif /* _RAD_PCOND_H_ */ |
