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/* Copyright (c) 1996 Regents of the University of California */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* |
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* Header file for picture file conditioning. |
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#define HISTRES 100 /* histogram resolution */ |
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#define LMIN 1e-4 /* minimum visible world luminance */ |
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#define LMIN 1e-7 /* minimum visible world luminance */ |
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#define LMAX 1e5 /* maximum visible world luminance */ |
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#define Bl(Lw) log(Lw) /* brightness function */ |
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#define DO_HSENS 04 |
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#define DO_COLOR 010 |
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#define DO_CWEIGHT 020 |
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#define DO_LINEAR 040 |
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#define DO_FIXHIST 040 |
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#define DO_LINEAR 0100 |
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#define DO_HUMAN (DO_ACUITY|DO_VEIL|DO_HSENS|DO_COLOR) |
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extern int what2do; /* desired adjustments */ |
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extern double ldmax; /* maximum output luminance */ |
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extern double ldmin; /* minimum output luminance */ |
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extern double Bldmin, Bldmax; /* Bl(ldmin) and Bl(ldmax) */ |
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extern double lddyn; /* display dynamic range */ |
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extern double Bldmin, Bldmax; /* Bl(ldmax/lddyn) and Bl(ldmax) */ |
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extern char *progname; /* global argv[0] */ |
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#define plum(clr) ((*lumf)(clr,0)/inpexp) |
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#define slum(clr) ((*lumf)(clr,1)/inpexp) |
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#define ldmin (ldmax/lddyn) |
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extern COLOR *fovimg; /* foveal (1 degree) averaged image */ |
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extern short fvxr, fvyr; /* foveal image resolution */ |
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#define fovscan(y) (fovimg+(y)*fvxr) |
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extern int bwhist[HISTRES]; /* luminance histogram */ |
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extern long histot; /* total count of histogram */ |
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extern double fixfrac; /* histogram share due to fixations */ |
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extern short (*fixlst)[2]; /* fixation history list */ |
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extern int nfixations; /* number of fixation points */ |
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extern float bwhist[HISTRES]; /* luminance histogram */ |
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extern double histot; /* total count of histogram */ |
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extern double bwmin, bwmax; /* histogram limits */ |
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extern double bwavg; /* mean brightness */ |
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#define bwhc(B) bwhist[(int)(HISTRES*((B)-bwmin)/(bwmax-bwmin))] |
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#define bwhi(B) (int)(HISTRES*((B)-bwmin)/(bwmax-bwmin)) |
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extern RGBPRIMP inprims; /* input primaries */ |
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extern COLORMAT inrgb2xyz; /* convert input RGB to XYZ */ |
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extern RESOLU inpres; /* input picture resolution */ |
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extern char *mbcalfile; /* macbethcal mapping file */ |
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extern char *cwarpfile; /* color warp mapping file */ |
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extern double hacuity(); /* human acuity func. (cycles/deg.) */ |
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extern double htcontrs(); /* human contrast sens. func. */ |
