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/* Copyright (c) 1996 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Convert MGF (Materials and Geometry Format) to Radiance |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <math.h> |
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#include <string.h> |
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< |
#include "mgflib/parser.h" |
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> |
|
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> |
#include "platform.h" |
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> |
#include "mgf_parser.h" |
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#include "color.h" |
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#include "tmesh.h" |
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+ |
#include "lookup.h" |
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|
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#define putv(v) printf("%18.12g %18.12g %18.12g\n",(v)[0],(v)[1],(v)[2]) |
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double emult = 1.; /* emitter multiplier */ |
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|
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FILE *matfp = stdout; /* material output file */ |
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> |
FILE *matfp; /* material output file */ |
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|
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int r_comment(), r_cone(), r_cyl(), r_face(), r_ies(), r_ring(), r_sph(); |
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< |
char *material(), *object(), *addarg(); |
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> |
int dospectra = 0; /* output spectral colors? */ |
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|
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|
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main(argc, argv) /* convert files to stdout */ |
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int argc; |
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< |
char *argv[]; |
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> |
extern int r_comment(int ac, char **av); |
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> |
extern int r_color(int ac, char **av); |
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> |
extern int r_cone(int ac, char **av); |
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> |
extern int r_cyl(int ac, char **av); |
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> |
extern int r_sph(int ac, char **av); |
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> |
extern int r_ring(int ac, char **av); |
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> |
extern int r_face(int ac, char **av); |
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> |
extern int r_ies(int ac, char **av); |
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> |
extern void putsided(char *mname); |
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> |
extern char * material(void); |
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> |
extern char * object(void); |
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> |
extern char * addarg(char *op, char *arg); |
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> |
extern void do_tri(char *mat, C_VERTEX *cv1, C_VERTEX *cv2, C_VERTEX *cv3, int iv); |
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> |
extern void cvtcolor(COLOR radrgb, C_COLOR *ciec, double intensity); |
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> |
extern char * specolor(COLOR radrgb, C_COLOR *ciec, double intensity); |
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> |
|
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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int i; |
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|
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matfp = stdout; |
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/* print out parser version */ |
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printf("## Translated from MGF Version %d.%d\n", MG_VMAJOR, MG_VMINOR); |
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/* initialize dispatch table */ |
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mg_ehand[MG_E_COLOR] = c_hcolor; /* they get color */ |
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mg_ehand[MG_E_CONE] = r_cone; /* we do cones */ |
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mg_ehand[MG_E_CMIX] = c_hcolor; /* they mix colors */ |
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mg_ehand[MG_E_CSPEC] = c_hcolor; /* they get spectra */ |
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mg_ehand[MG_E_CXY] = c_hcolor; /* they get chromaticities */ |
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mg_ehand[MG_E_CCT] = c_hcolor; /* they get color temp's */ |
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mg_ehand[MG_E_CSPEC] = r_color; /* we get spectra */ |
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mg_ehand[MG_E_CCT] = r_color; /* we get color temp's */ |
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mg_ehand[MG_E_CYL] = r_cyl; /* we do cylinders */ |
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mg_ehand[MG_E_ED] = c_hmaterial; /* they get emission */ |
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mg_ehand[MG_E_FACE] = r_face; /* we do faces */ |
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} |
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printf(" %s", argv[i]); |
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break; |
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case 's': /* spectral color output? */ |
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dospectra = !dospectra; |
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break; |
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default: |
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goto userr; |
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} |
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} |
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exit(0); |
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userr: |
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fprintf(stderr, "Usage: %s [-g dist][-e mult][-m matf] [file.mgf] ..\n", |
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fprintf(stderr, "Usage: %s [-s][-g dist][-e mult][-m matf] [file.mgf] ..\n", |
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argv[0]); |
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exit(1); |
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} |
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int |
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r_comment(ac, av) /* repeat a comment verbatim */ |
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register int ac; |
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register char **av; |
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r_comment( /* repeat a comment verbatim */ |
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int ac, |
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char **av |
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) |
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{ |
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putchar('#'); /* use Radiance comment character */ |
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while (--ac) { /* pass through verbatim */ |
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int |
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r_cone(ac, av) /* put out a cone */ |
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int ac; |
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char **av; |
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r_color( /* call color handler & remember name */ |
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int ac, |
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char **av |
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) |
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{ |
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int rval = c_hcolor(ac, av); |
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|
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if (rval == MG_OK) |
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c_ccolor->client_data = c_ccname; |
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|
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return(rval); |
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} |
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|
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|
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int |
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r_cone( /* put out a cone */ |
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int ac, |
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char **av |
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) |
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{ |
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static int ncones; |
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char *mat; |
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double r1, r2; |
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if (r2 == 0.) |
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return(MG_EILL); |
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inv = r2 < 0.; |
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} else if (r2 != 0. && inv ^ r2 < 0.) |
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} else if (r2 != 0. && inv ^ (r2 < 0.)) |
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return(MG_EILL); |
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if (inv) { |
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r1 = -r1; |
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|
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int |
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r_cyl(ac, av) /* put out a cylinder */ |
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int ac; |
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< |
char **av; |
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> |
r_cyl( /* put out a cylinder */ |
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int ac, |
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> |
char **av |
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> |
) |
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{ |
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static int ncyls; |
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char *mat; |
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|
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|
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int |
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r_sph(ac, av) /* put out a sphere */ |
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< |
int ac; |
| 268 |
< |
char **av; |
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> |
r_sph( /* put out a sphere */ |
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> |
int ac, |
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> |
char **av |
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> |
) |
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{ |
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static int nsphs; |
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char *mat; |
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|
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|
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int |
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< |
r_ring(ac, av) /* put out a ring */ |
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< |
int ac; |
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< |
char **av; |
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> |
r_ring( /* put out a ring */ |
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> |
int ac, |
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> |
char **av |
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> |
) |
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{ |
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static int nrings; |
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char *mat; |
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xf_rotvect(norm, cv->n); /* rotate normal */ |
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r1 = xf_scale(atof(av[2])); /* scale radii */ |
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r2 = xf_scale(atof(av[3])); |
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if (r1 < 0. | r2 <= r1) |
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> |
if ((r1 < 0.) | (r2 <= r1)) |
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return(MG_EILL); |
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if ((mat = material()) == NULL) /* get material */ |
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return(MG_EBADMAT); |
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|
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|
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int |
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< |
r_face(ac, av) /* convert a face */ |
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< |
int ac; |
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< |
char **av; |
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> |
r_face( /* convert a face */ |
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> |
int ac, |
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> |
char **av |
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> |
) |
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{ |
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static int nfaces; |
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+ |
int myi = invert; |
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char *mat; |
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< |
register int i; |
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< |
register C_VERTEX *cv; |
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> |
int i; |
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> |
C_VERTEX *cv; |
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FVECT v; |
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< |
int rv; |
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> |
|
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/* check argument count and type */ |
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if (ac < 4) |
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return(MG_EARGC); |
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if ((mat = material()) == NULL) /* get material */ |
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return(MG_EBADMAT); |
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if (ac <= 5) { /* check for smoothing */ |
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+ |
C_VERTEX *cva[5]; |
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for (i = 1; i < ac; i++) { |
| 358 |
< |
if ((cv = c_getvert(av[i])) == NULL) |
| 358 |
> |
if ((cva[i-1] = c_getvert(av[i])) == NULL) |
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return(MG_EUNDEF); |
| 360 |
< |
if (is0vect(cv->n)) |
| 360 |
> |
if (is0vect(cva[i-1]->n)) |
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break; |
| 362 |
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} |
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< |
if (i == ac) { /* break into triangles */ |
| 364 |
< |
do_tri(mat, av[1], av[2], av[3]); |
| 363 |
> |
if (i < ac) |
| 364 |
> |
i = ISFLAT; |
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> |
else |
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> |
i = flat_tri(cva[0]->p, cva[1]->p, cva[2]->p, |
| 367 |
> |
cva[0]->n, cva[1]->n, cva[2]->n); |
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> |
if (i == DEGEN) |
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> |
return(MG_OK); /* degenerate (error?) */ |
| 370 |
> |
if (i == RVBENT) { |
| 371 |
> |
myi = !myi; |
| 372 |
> |
i = ISBENT; |
| 373 |
> |
} else if (i == RVFLAT) { |
| 374 |
> |
myi = !myi; |
| 375 |
> |
i = ISFLAT; |
| 376 |
> |
} |
| 377 |
> |
if (i == ISBENT) { /* smoothed triangles */ |
| 378 |
> |
do_tri(mat, cva[0], cva[1], cva[2], myi); |
| 379 |
|
if (ac == 5) |
| 380 |
< |
do_tri(mat, av[3], av[4], av[1]); |
| 380 |
> |
do_tri(mat, cva[2], cva[3], cva[0], myi); |
| 381 |
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return(MG_OK); |
| 382 |
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} |
| 383 |
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} |
| 385 |
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printf("\n%s polygon %sf%d\n", mat, object(), ++nfaces); |
| 386 |
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printf("0\n0\n%d\n", 3*(ac-1)); |
| 387 |
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for (i = 1; i < ac; i++) { /* get, transform, print each vertex */ |
| 388 |
< |
if ((cv = c_getvert(av[invert ? ac-i : i])) == NULL) |
| 388 |
> |
if ((cv = c_getvert(av[myi ? ac-i : i])) == NULL) |
| 389 |
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return(MG_EUNDEF); |
| 390 |
|
xf_xfmpoint(v, cv->p); |
| 391 |
|
putv(v); |
| 395 |
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|
| 396 |
|
|
| 397 |
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int |
| 398 |
< |
r_ies(ac, av) /* convert an IES luminaire file */ |
| 399 |
< |
int ac; |
| 400 |
< |
char **av; |
| 398 |
> |
r_ies( /* convert an IES luminaire file */ |
| 399 |
> |
int ac, |
| 400 |
> |
char **av |
| 401 |
> |
) |
| 402 |
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{ |
| 403 |
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int xa0 = 2; |
| 404 |
|
char combuf[128]; |
| 405 |
|
char fname[48]; |
| 406 |
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char *oname; |
| 407 |
< |
register char *op; |
| 408 |
< |
register int i; |
| 407 |
> |
char *op; |
| 408 |
> |
int i; |
| 409 |
|
/* check argument count */ |
| 410 |
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if (ac < 2) |
| 411 |
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return(MG_EARGC); |
| 412 |
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/* construct output file name */ |
| 413 |
< |
if ((op = strrchr(av[1], '/')) == NULL) |
| 413 |
> |
if ((op = strrchr(av[1], '/')) != NULL) |
| 414 |
> |
op++; |
| 415 |
> |
else |
| 416 |
|
op = av[1]; |
| 417 |
|
(void)strcpy(fname, op); |
| 418 |
|
if ((op = strrchr(fname, '.')) == NULL) |
| 460 |
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} |
| 461 |
|
|
| 462 |
|
|
| 463 |
< |
do_tri(mat, vn1, vn2, vn3) /* put out smoothed triangle */ |
| 464 |
< |
char *mat, *vn1, *vn2, *vn3; |
| 463 |
> |
void |
| 464 |
> |
do_tri( /* put out smoothed triangle */ |
| 465 |
> |
char *mat, |
| 466 |
> |
C_VERTEX *cv1, |
| 467 |
> |
C_VERTEX *cv2, |
| 468 |
> |
C_VERTEX *cv3, |
| 469 |
> |
int iv |
| 470 |
> |
) |
| 471 |
|
{ |
| 472 |
|
static int ntris; |
| 473 |
|
BARYCCM bvecs; |
| 474 |
< |
FLOAT bcoor[3][3]; |
| 475 |
< |
C_VERTEX *cv1, *cv2, *cv3; |
| 474 |
> |
RREAL bcoor[3][3]; |
| 475 |
> |
C_VERTEX *cvt; |
| 476 |
|
FVECT v1, v2, v3; |
| 477 |
|
FVECT n1, n2, n3; |
| 478 |
< |
register int i; |
| 479 |
< |
/* the following is repeat code, so assume it's OK */ |
| 480 |
< |
cv2 = c_getvert(vn2); |
| 481 |
< |
if (invert) { |
| 482 |
< |
cv3 = c_getvert(vn1); |
| 483 |
< |
cv1 = c_getvert(vn3); |
| 414 |
< |
} else { |
| 415 |
< |
cv1 = c_getvert(vn1); |
| 416 |
< |
cv3 = c_getvert(vn3); |
| 478 |
> |
int i; |
| 479 |
> |
|
| 480 |
> |
if (iv) { /* swap vertex order if inverted */ |
| 481 |
> |
cvt = cv1; |
| 482 |
> |
cv1 = cv3; |
| 483 |
> |
cv3 = cvt; |
| 484 |
|
} |
| 485 |
|
xf_xfmpoint(v1, cv1->p); |
| 486 |
|
xf_xfmpoint(v2, cv2->p); |
| 498 |
|
bcoor[i][1] = n2[i]; |
| 499 |
|
bcoor[i][2] = n3[i]; |
| 500 |
|
} |
| 501 |
< |
put_baryc(&bvecs, bcoor, 3); |
| 501 |
> |
fput_baryc(&bvecs, bcoor, 3, stdout); |
| 502 |
|
/* put out triangle */ |
| 503 |
|
printf("\nT-nor polygon %st%d\n", object(), ++ntris); |
| 504 |
|
printf("0\n0\n9\n"); |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
|
| 511 |
+ |
void |
| 512 |
+ |
putsided(char *mname) /* print out mixfunc for sided material */ |
| 513 |
+ |
{ |
| 514 |
+ |
fprintf(matfp, "\nvoid mixfunc %s\n", mname); |
| 515 |
+ |
fprintf(matfp, "4 %s void if(Rdot,1,0) .\n0\n0\n", mname); |
| 516 |
+ |
} |
| 517 |
+ |
|
| 518 |
+ |
|
| 519 |
|
char * |
| 520 |
< |
material() /* get (and print) current material */ |
| 520 |
> |
material(void) /* get (and print) current material */ |
| 521 |
|
{ |
| 522 |
|
char *mname = "mat"; |
| 523 |
+ |
char *pname; |
| 524 |
|
COLOR radrgb, c2; |
| 525 |
|
double d; |
| 450 |
– |
register int i; |
| 526 |
|
|
| 527 |
|
if (c_cmname != NULL) |
| 528 |
|
mname = c_cmname; |
| 531 |
|
/* else update output */ |
| 532 |
|
c_cmaterial->clock = 0; |
| 533 |
|
if (c_cmaterial->ed > .1) { /* emitter */ |
| 534 |
< |
cvtcolor(radrgb, &c_cmaterial->ed_c, |
| 534 |
> |
pname = specolor(radrgb, &c_cmaterial->ed_c, |
| 535 |
|
emult*c_cmaterial->ed/(PI*WHTEFFICACY)); |
| 536 |
|
if (glowdist < FHUGE) { /* do a glow */ |
| 537 |
< |
fprintf(matfp, "\nvoid glow %s\n0\n0\n", mname); |
| 537 |
> |
fprintf(matfp, "\n%s glow %s\n0\n0\n", pname, mname); |
| 538 |
|
fprintf(matfp, "4 %f %f %f %f\n", colval(radrgb,RED), |
| 539 |
|
colval(radrgb,GRN), |
| 540 |
|
colval(radrgb,BLU), glowdist); |
| 541 |
|
} else { |
| 542 |
< |
fprintf(matfp, "\nvoid light %s\n0\n0\n", mname); |
| 542 |
> |
fprintf(matfp, "\n%s light %s\n0\n0\n", pname, mname); |
| 543 |
|
fprintf(matfp, "3 %f %f %f\n", colval(radrgb,RED), |
| 544 |
|
colval(radrgb,GRN), |
| 545 |
|
colval(radrgb,BLU)); |
| 548 |
|
} |
| 549 |
|
d = c_cmaterial->rd + c_cmaterial->td + |
| 550 |
|
c_cmaterial->rs + c_cmaterial->ts; |
| 551 |
< |
if (d < 0. | d > 1.) |
| 551 |
> |
if ((d < 0.) | (d > 1.)) |
| 552 |
|
return(NULL); |
| 553 |
|
/* check for glass/dielectric */ |
| 554 |
|
if (c_cmaterial->nr > 1.1 && |
| 576 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
| 577 |
|
c_cmaterial->nr); |
| 578 |
|
return(mname); |
| 579 |
< |
} |
| 579 |
> |
} |
| 580 |
|
/* check for trans */ |
| 581 |
|
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { |
| 582 |
< |
double ts, a5, a6; |
| 508 |
< |
|
| 509 |
< |
if (c_cmaterial->sided) { |
| 510 |
< |
ts = sqrt(c_cmaterial->ts); /* approximate */ |
| 511 |
< |
a5 = .5; |
| 512 |
< |
} else { |
| 513 |
< |
ts = c_cmaterial->ts; |
| 514 |
< |
a5 = 1.; |
| 515 |
< |
} |
| 582 |
> |
double a5, a6; |
| 583 |
|
/* average colors */ |
| 584 |
< |
d = c_cmaterial->rd + c_cmaterial->td + ts; |
| 584 |
> |
d = c_cmaterial->rd + c_cmaterial->td + c_cmaterial->ts; |
| 585 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
| 586 |
|
cvtcolor(c2, &c_cmaterial->td_c, c_cmaterial->td/d); |
| 587 |
|
addcolor(radrgb, c2); |
| 588 |
< |
cvtcolor(c2, &c_cmaterial->ts_c, ts/d); |
| 588 |
> |
cvtcolor(c2, &c_cmaterial->ts_c, c_cmaterial->ts/d); |
| 589 |
|
addcolor(radrgb, c2); |
| 590 |
< |
if (c_cmaterial->rs + ts > .0001) |
| 590 |
> |
if (c_cmaterial->rs + c_cmaterial->ts > .0001) |
| 591 |
|
a5 = (c_cmaterial->rs*c_cmaterial->rs_a + |
| 592 |
< |
ts*a5*c_cmaterial->ts_a) / |
| 593 |
< |
(c_cmaterial->rs + ts); |
| 594 |
< |
a6 = (c_cmaterial->td + ts) / |
| 595 |
< |
(c_cmaterial->rd + c_cmaterial->td + ts); |
| 592 |
> |
c_cmaterial->ts*c_cmaterial->ts_a) / |
| 593 |
> |
(c_cmaterial->rs + c_cmaterial->ts); |
| 594 |
> |
a6 = (c_cmaterial->td + c_cmaterial->ts) / |
| 595 |
> |
(c_cmaterial->rd + c_cmaterial->td + c_cmaterial->ts); |
| 596 |
|
if (a6 < .999) |
| 597 |
|
d = c_cmaterial->rd/(1. - c_cmaterial->rs)/(1. - a6); |
| 598 |
|
else |
| 599 |
< |
d = c_cmaterial->td + ts; |
| 599 |
> |
d = c_cmaterial->td + c_cmaterial->ts; |
| 600 |
|
scalecolor(radrgb, d); |
| 601 |
|
fprintf(matfp, "\nvoid trans %s\n0\n0\n", mname); |
| 602 |
|
fprintf(matfp, "7 %f %f %f\n", colval(radrgb,RED), |
| 603 |
|
colval(radrgb,GRN), colval(radrgb,BLU)); |
| 604 |
|
fprintf(matfp, "\t%f %f %f %f\n", c_cmaterial->rs, a5, a6, |
| 605 |
< |
ts/(ts + c_cmaterial->td)); |
| 605 |
> |
c_cmaterial->ts/(c_cmaterial->ts + c_cmaterial->td)); |
| 606 |
> |
if (c_cmaterial->sided) |
| 607 |
> |
putsided(mname); |
| 608 |
|
return(mname); |
| 609 |
|
} |
| 610 |
|
/* check for plastic */ |
| 611 |
< |
if (c_cmaterial->rs < .1) { |
| 612 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, |
| 611 |
> |
if (c_cmaterial->rs < .1 && (c_cmaterial->rs < .1*c_cmaterial->rd || |
| 612 |
> |
c_isgrey(&c_cmaterial->rs_c))) { |
| 613 |
> |
pname = specolor(radrgb, &c_cmaterial->rd_c, |
| 614 |
|
c_cmaterial->rd/(1.-c_cmaterial->rs)); |
| 615 |
< |
fprintf(matfp, "\nvoid plastic %s\n0\n0\n", mname); |
| 615 |
> |
fprintf(matfp, "\n%s plastic %s\n0\n0\n", pname, mname); |
| 616 |
|
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
| 617 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
| 618 |
|
c_cmaterial->rs, c_cmaterial->rs_a); |
| 619 |
+ |
if (c_cmaterial->sided) |
| 620 |
+ |
putsided(mname); |
| 621 |
|
return(mname); |
| 622 |
|
} |
| 623 |
|
/* else it's metal */ |
| 624 |
< |
/* average colors */ |
| 625 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd); |
| 626 |
< |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs); |
| 627 |
< |
addcolor(radrgb, c2); |
| 628 |
< |
fprintf(matfp, "\nvoid metal %s\n0\n0\n", mname); |
| 624 |
> |
/* compute color */ |
| 625 |
> |
if (c_equiv(&c_cmaterial->rd_c, &c_cmaterial->rs_c)) { |
| 626 |
> |
pname = specolor(radrgb, &c_cmaterial->rs_c, c_cmaterial->rs+c_cmaterial->rd); |
| 627 |
> |
} else if (c_cmaterial->rd <= .05f) { |
| 628 |
> |
pname = specolor(radrgb, &c_cmaterial->rs_c, c_cmaterial->rs); |
| 629 |
> |
cvtcolor(c2, &c_cmaterial->rd_c, c_cmaterial->rd); |
| 630 |
> |
addcolor(radrgb, c2); |
| 631 |
> |
} else { |
| 632 |
> |
pname = "void"; |
| 633 |
> |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd); |
| 634 |
> |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs); |
| 635 |
> |
addcolor(radrgb, c2); |
| 636 |
> |
} |
| 637 |
> |
fprintf(matfp, "\n%s metal %s\n0\n0\n", pname, mname); |
| 638 |
|
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
| 639 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
| 640 |
|
c_cmaterial->rs/(c_cmaterial->rd + c_cmaterial->rs), |
| 641 |
|
c_cmaterial->rs_a); |
| 642 |
+ |
if (c_cmaterial->sided) |
| 643 |
+ |
putsided(mname); |
| 644 |
|
return(mname); |
| 645 |
|
} |
| 646 |
|
|
| 647 |
|
|
| 648 |
< |
cvtcolor(radrgb, ciec, intensity) /* convert a CIE XYZ color to RGB */ |
| 649 |
< |
COLOR radrgb; |
| 650 |
< |
register C_COLOR *ciec; |
| 651 |
< |
double intensity; |
| 648 |
> |
void |
| 649 |
> |
cvtcolor( /* convert a CIE XYZ color to RGB */ |
| 650 |
> |
COLOR radrgb, |
| 651 |
> |
C_COLOR *ciec, |
| 652 |
> |
double intensity |
| 653 |
> |
) |
| 654 |
|
{ |
| 655 |
< |
static COLOR ciexyz; |
| 655 |
> |
COLOR ciexyz; |
| 656 |
|
|
| 657 |
|
c_ccvt(ciec, C_CSXY); /* get xy representation */ |
| 658 |
|
ciexyz[1] = intensity; |
| 662 |
|
} |
| 663 |
|
|
| 664 |
|
|
| 665 |
+ |
static int /* new spectrum definition? */ |
| 666 |
+ |
newspecdef(C_COLOR *spc) |
| 667 |
+ |
{ |
| 668 |
+ |
static LUTAB spc_tab = LU_SINIT(NULL,free); |
| 669 |
+ |
LUENT *lp = lu_find(&spc_tab, (const char *)spc->client_data); |
| 670 |
+ |
|
| 671 |
+ |
if (lp == NULL) /* should never happen */ |
| 672 |
+ |
return(1); |
| 673 |
+ |
if (lp->data == NULL) { /* new entry */ |
| 674 |
+ |
lp->key = (char *)spc->client_data; |
| 675 |
+ |
lp->data = (char *)malloc(sizeof(C_COLOR)); |
| 676 |
+ |
} else if (c_equiv(spc, (C_COLOR *)lp->data)) |
| 677 |
+ |
return(0); /* unchanged */ |
| 678 |
+ |
|
| 679 |
+ |
if (lp->data != NULL) /* else remember if we can */ |
| 680 |
+ |
*(C_COLOR *)lp->data = *spc; |
| 681 |
+ |
return(1); /* good as new */ |
| 682 |
+ |
} |
| 683 |
+ |
|
| 684 |
+ |
|
| 685 |
|
char * |
| 686 |
< |
object() /* return current object name */ |
| 686 |
> |
specolor( /* check if color has spectra and output accordingly */ |
| 687 |
> |
COLOR radrgb, |
| 688 |
> |
C_COLOR *clr, |
| 689 |
> |
double intensity |
| 690 |
> |
) |
| 691 |
|
{ |
| 692 |
+ |
static char spname[128]; |
| 693 |
+ |
double mult; |
| 694 |
+ |
int cbeg, cend, i; |
| 695 |
+ |
|
| 696 |
+ |
if (!dospectra | !(clr->flags & C_CDSPEC)) { |
| 697 |
+ |
cvtcolor(radrgb, clr, intensity); |
| 698 |
+ |
return("void"); /* just use RGB */ |
| 699 |
+ |
} |
| 700 |
+ |
setcolor(radrgb, intensity, intensity, intensity); |
| 701 |
+ |
for (cbeg = 0; cbeg < C_CNSS; cbeg++) /* trim zeros off beginning */ |
| 702 |
+ |
if (clr->ssamp[cbeg]) |
| 703 |
+ |
break; |
| 704 |
+ |
if (cbeg >= C_CNSS) /* should never happen! */ |
| 705 |
+ |
return("void"); |
| 706 |
+ |
if (clr->client_data != NULL) { /* get name if available */ |
| 707 |
+ |
strcpy(spname, (char *)clr->client_data); |
| 708 |
+ |
strcat(spname, "*"); /* make sure it's special */ |
| 709 |
+ |
if (!newspecdef(clr)) /* output already? */ |
| 710 |
+ |
return(spname); |
| 711 |
+ |
} else |
| 712 |
+ |
strcpy(spname, "spec*"); |
| 713 |
+ |
c_ccvt(clr, C_CSEFF); /* else output spectrum prim */ |
| 714 |
+ |
for (cend = 0; !clr->ssamp[C_CNSS-1-cend]; cend++) |
| 715 |
+ |
; /* trim zeros off end */ |
| 716 |
+ |
fprintf(matfp, "\nvoid spectrum %s\n0\n0\n", spname); |
| 717 |
+ |
fprintf(matfp, "%d %d %d", C_CNSS+2-cbeg-cend, |
| 718 |
+ |
C_CMINWL+cbeg*C_CWLI, C_CMAXWL-cend*C_CWLI); |
| 719 |
+ |
mult = (C_CNSS*c_dfcolor.eff)/(clr->ssum*clr->eff); |
| 720 |
+ |
for (i = cbeg; i < C_CNSS-cend; i++) { |
| 721 |
+ |
if (!((i-cbeg+1)%6)) fputc('\n', matfp); |
| 722 |
+ |
fprintf(matfp, "\t%.5f", clr->ssamp[i]*mult); |
| 723 |
+ |
} |
| 724 |
+ |
fputc('\n', matfp); |
| 725 |
+ |
return(spname); |
| 726 |
+ |
} |
| 727 |
+ |
|
| 728 |
+ |
|
| 729 |
+ |
char * |
| 730 |
+ |
object(void) /* return current object name */ |
| 731 |
+ |
{ |
| 732 |
|
static char objbuf[64]; |
| 733 |
< |
register int i; |
| 734 |
< |
register char *cp; |
| 733 |
> |
int i; |
| 734 |
> |
char *cp; |
| 735 |
|
int len; |
| 736 |
|
/* tracked by obj_handler */ |
| 737 |
|
i = obj_nnames - sizeof(objbuf)/16; |
| 749 |
|
|
| 750 |
|
|
| 751 |
|
char * |
| 752 |
< |
addarg(op, arg) /* add argument and advance pointer */ |
| 753 |
< |
register char *op, *arg; |
| 752 |
> |
addarg( /* add argument and advance pointer */ |
| 753 |
> |
char *op, |
| 754 |
> |
char *arg |
| 755 |
> |
) |
| 756 |
|
{ |
| 757 |
|
*op = ' '; |
| 758 |
< |
while (*++op = *arg++) |
| 758 |
> |
while ( (*++op = *arg++) ) |
| 759 |
|
; |
| 760 |
|
return(op); |
| 761 |
|
} |