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/* Copyright (c) 1991 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid: $Id$ */ |
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/* |
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* Common definitions for mkillum |
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*/ |
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#ifndef _RAD_MKILLUM_H_ |
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#define _RAD_MKILLUM_H_ |
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#include "ray.h" |
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#include "otypes.h" |
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#include "random.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* illum flags */ |
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#define IL_FLAT 0x1 /* flat surface */ |
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#define IL_LIGHT 0x2 /* light rather than illum */ |
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#define IL_COLDST 0x4 /* colored distribution */ |
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#define IL_COLAVG 0x8 /* compute average color */ |
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#define IL_DATCLB 0x10 /* OK to clobber data file */ |
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#define IL_LIGHT 0x1 /* light rather than illum */ |
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#define IL_COLDST 0x2 /* use color distribution */ |
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#define IL_COLAVG 0x4 /* use average color */ |
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#define IL_DATCLB 0x8 /* OK to clobber data file */ |
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struct illum_args { |
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int flags; /* flags from list above */ |
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char matname[MAXSTR]; /* illum material name */ |
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char datafile[MAXSTR]; /* distribution data file name */ |
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int dfnum; /* data file number */ |
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char altmatname[MAXSTR]; /* alternate material name */ |
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char altmat[MAXSTR]; /* alternate material name */ |
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int sampdens; /* point sample density */ |
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int nsamps; /* # of samples in each direction */ |
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int nalt, nazi; /* # of altitude and azimuth angles */ |
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FVECT orient; /* coordinate system orientation */ |
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float minbrt; /* minimum average brightness */ |
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COLOR col; /* computed average color */ |
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}; /* illum options */ |
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struct rtproc { |
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int pd[3]; /* rtrace pipe descriptors */ |
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float *buf; /* rtrace i/o buffer */ |
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int bsiz; /* maximum rays for rtrace buffer */ |
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int nrays; /* current length of rtrace buffer */ |
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}; /* rtrace process */ |
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extern void printobj(char *mod, OBJREC *obj); |
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extern int average(struct illum_args *il, COLORV *da, int n); |
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extern void flatout(struct illum_args *il, COLORV *da, int n, int m, |
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FVECT u, FVECT v, FVECT w); |
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extern void illumout(struct illum_args *il, OBJREC *ob); |
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extern void roundout(struct illum_args *il, COLORV *da, int n, int m); |
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extern void newdist(int siz); |
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extern int process_ray(RAY *r, int rv); |
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extern void raysamp(int ndx, FVECT org, FVECT dir); |
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extern void rayclean(void); |
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extern void flatdir(FVECT dv, double alt, double azi); |
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extern int flatindex(FVECT dv, int nalt, int nazi); |
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extern int my_default(OBJREC *, struct illum_args *, char *); |
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extern int my_face(OBJREC *, struct illum_args *, char *); |
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extern int my_sphere(OBJREC *, struct illum_args *, char *); |
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extern int my_ring(OBJREC *, struct illum_args *, char *); |
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extern COLORV * distarr; /* distribution array */ |
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extern int distsiz; |
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extern char *progname; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_MKILLUM_H_ */ |
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