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/* Copyright (c) 1997 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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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 */ |
