1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1993 Regents of the University of California */ |
2 |
|
|
3 |
|
#ifndef lint |
4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
18 |
|
|
19 |
|
#include "rpaint.h" |
20 |
|
|
21 |
+ |
#include "resolu.h" |
22 |
+ |
|
23 |
|
#include <ctype.h> |
24 |
|
|
25 |
< |
#define CTRL(c) ('c'-'@') |
25 |
> |
#define CTRL(c) ((c)-'@') |
26 |
|
|
27 |
+ |
#ifdef SMLFLT |
28 |
+ |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
29 |
+ |
#else |
30 |
+ |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
31 |
+ |
#endif |
32 |
+ |
|
33 |
+ |
extern char *atos(); |
34 |
+ |
|
35 |
+ |
extern char rifname[]; /* rad input file name */ |
36 |
+ |
|
37 |
|
extern char VersionID[]; |
38 |
|
extern char *progname; |
39 |
|
extern char *octname; |
68 |
|
int change = 0; |
69 |
|
VIEW nv; |
70 |
|
|
71 |
+ |
while (isspace(*s)) |
72 |
+ |
s++; |
73 |
+ |
if (*s == '-') { /* command line parameters */ |
74 |
+ |
copystruct(&nv, &ourview); |
75 |
+ |
if (sscanview(&nv, s)) |
76 |
+ |
newview(&nv); |
77 |
+ |
else |
78 |
+ |
error(COMMAND, "bad view option(s)"); |
79 |
+ |
return; |
80 |
+ |
} |
81 |
|
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
82 |
|
if ((fname = getpath(buf, NULL, 0)) == NULL || |
83 |
|
(fp = fopen(fname, "a")) == NULL) { |
88 |
|
fputs(progname, fp); |
89 |
|
fprintview(&ourview, fp); |
90 |
|
fputs(sskip(s), fp); |
91 |
< |
fputs("\n", fp); |
91 |
> |
putc('\n', fp); |
92 |
|
fclose(fp); |
93 |
|
return; |
94 |
|
} |
95 |
|
sprintf(buf, "view type (%c): ", ourview.type); |
96 |
|
(*dev->comout)(buf); |
97 |
|
(*dev->comin)(buf, NULL); |
98 |
< |
if (buf[0] == CTRL(C)) return; |
98 |
> |
if (buf[0] == CTRL('C')) return; |
99 |
|
if (buf[0] && buf[0] != ourview.type) { |
100 |
|
nv.type = buf[0]; |
101 |
|
change++; |
105 |
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
106 |
|
(*dev->comout)(buf); |
107 |
|
(*dev->comin)(buf, NULL); |
108 |
< |
if (buf[0] == CTRL(C)) return; |
109 |
< |
if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
108 |
> |
if (buf[0] == CTRL('C')) return; |
109 |
> |
if (sscanvec(buf, nv.vp)) |
110 |
|
change++; |
111 |
|
else |
112 |
|
VCOPY(nv.vp, ourview.vp); |
114 |
|
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
115 |
|
(*dev->comout)(buf); |
116 |
|
(*dev->comin)(buf, NULL); |
117 |
< |
if (buf[0] == CTRL(C)) return; |
118 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
117 |
> |
if (buf[0] == CTRL('C')) return; |
118 |
> |
if (sscanvec(buf, nv.vdir)) |
119 |
|
change++; |
120 |
|
else |
121 |
|
VCOPY(nv.vdir, ourview.vdir); |
123 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
124 |
|
(*dev->comout)(buf); |
125 |
|
(*dev->comin)(buf, NULL); |
126 |
< |
if (buf[0] == CTRL(C)) return; |
127 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
126 |
> |
if (buf[0] == CTRL('C')) return; |
127 |
> |
if (sscanvec(buf, nv.vup)) |
128 |
|
change++; |
129 |
|
else |
130 |
|
VCOPY(nv.vup, ourview.vup); |
132 |
|
ourview.horiz, ourview.vert); |
133 |
|
(*dev->comout)(buf); |
134 |
|
(*dev->comin)(buf, NULL); |
135 |
< |
if (buf[0] == CTRL(C)) return; |
135 |
> |
if (buf[0] == CTRL('C')) return; |
136 |
|
if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
137 |
|
change++; |
138 |
|
else { |
142 |
|
ourview.hoff, ourview.voff); |
143 |
|
(*dev->comout)(buf); |
144 |
|
(*dev->comin)(buf, NULL); |
145 |
< |
if (buf[0] == CTRL(C)) return; |
145 |
> |
if (buf[0] == CTRL('C')) return; |
146 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
147 |
|
change++; |
148 |
|
else { |
164 |
|
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
165 |
|
copystruct(&nv, &stdview); |
166 |
|
if ((fname = getpath(buf, NULL, 0)) == NULL || |
167 |
< |
(success = viewfile(fname, &nv, 0, 0)) == -1) { |
167 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
168 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
169 |
|
error(COMMAND, errmsg); |
170 |
|
return; |
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
+ |
saveview(s) /* save view to rad file */ |
190 |
+ |
char *s; |
191 |
+ |
{ |
192 |
+ |
char view[64]; |
193 |
+ |
char *fname; |
194 |
+ |
FILE *fp; |
195 |
+ |
|
196 |
+ |
if (*atos(view, sizeof(view), s)) |
197 |
+ |
s = sskip(s); |
198 |
+ |
if (sscanf(s, "%s", rifname) != 1 && rifname[0] == '\0') { |
199 |
+ |
error(COMMAND, "no previous rad file"); |
200 |
+ |
return; |
201 |
+ |
} |
202 |
+ |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
203 |
+ |
(fp = fopen(fname, "a")) == NULL) { |
204 |
+ |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
205 |
+ |
error(COMMAND, errmsg); |
206 |
+ |
return; |
207 |
+ |
} |
208 |
+ |
fputs("view= ", fp); |
209 |
+ |
fputs(view, fp); |
210 |
+ |
fprintview(&ourview, fp); |
211 |
+ |
putc('\n', fp); |
212 |
+ |
fclose(fp); |
213 |
+ |
} |
214 |
+ |
|
215 |
+ |
|
216 |
+ |
loadview(s) /* load view from rad file */ |
217 |
+ |
char *s; |
218 |
+ |
{ |
219 |
+ |
char buf[512]; |
220 |
+ |
char *fname; |
221 |
+ |
FILE *fp; |
222 |
+ |
VIEW nv; |
223 |
+ |
|
224 |
+ |
strcpy(buf, "rad -n -s -V -v "); |
225 |
+ |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
226 |
+ |
s = sskip(s); |
227 |
+ |
else |
228 |
+ |
strcat(buf, "1"); |
229 |
+ |
if (sscanf(s, "%s", rifname) != 1 && rifname[0] == '\0') { |
230 |
+ |
error(COMMAND, "no previous rad file"); |
231 |
+ |
return; |
232 |
+ |
} |
233 |
+ |
fname = getpath(rifname, NULL, 0); |
234 |
+ |
if (fname == NULL || access(fname, R_OK) == -1) { |
235 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
236 |
+ |
error(COMMAND, errmsg); |
237 |
+ |
return; |
238 |
+ |
} |
239 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
240 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
241 |
+ |
error(COMMAND, "cannot run rad"); |
242 |
+ |
return; |
243 |
+ |
} |
244 |
+ |
buf[0] = '\0'; |
245 |
+ |
fgets(buf, sizeof(buf), fp); |
246 |
+ |
pclose(fp); |
247 |
+ |
copystruct(&nv, &stdview); |
248 |
+ |
if (!sscanview(&nv, buf)) { |
249 |
+ |
error(COMMAND, "rad error -- no such view?"); |
250 |
+ |
return; |
251 |
+ |
} |
252 |
+ |
newview(&nv); |
253 |
+ |
} |
254 |
+ |
|
255 |
+ |
|
256 |
|
getaim(s) /* aim camera */ |
257 |
|
char *s; |
258 |
|
{ |
170 |
– |
extern double tan(), atan(); |
259 |
|
double zfact; |
260 |
|
VIEW nv; |
261 |
|
|
286 |
|
getrotate(s) /* rotate camera */ |
287 |
|
char *s; |
288 |
|
{ |
201 |
– |
extern double normalize(), tan(), atan(); |
289 |
|
VIEW nv; |
290 |
|
FVECT v1; |
291 |
|
double angle, elev, zfact; |
331 |
|
getexposure(s) /* get new exposure */ |
332 |
|
char *s; |
333 |
|
{ |
247 |
– |
double atof(), pow(), fabs(); |
334 |
|
char buf[128]; |
335 |
|
register char *cp; |
250 |
– |
register PNODE *p; |
336 |
|
RECT r; |
337 |
|
int x, y; |
338 |
< |
double e; |
339 |
< |
|
338 |
> |
register PNODE *p = &ptrunk; |
339 |
> |
int adapt = 0; |
340 |
> |
double e = 1.0; |
341 |
> |
start: |
342 |
|
for (cp = s; isspace(*cp); cp++) |
343 |
|
; |
344 |
+ |
if (*cp == '@') { |
345 |
+ |
adapt++; |
346 |
+ |
goto start; |
347 |
+ |
} |
348 |
|
if (*cp == '\0') { /* normalize to point */ |
349 |
|
if (dev->getcur == NULL) |
350 |
|
return; |
354 |
|
r.l = r.d = 0; |
355 |
|
r.r = hresolu; r.u = vresolu; |
356 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
266 |
– |
e = 1.0; |
357 |
|
} else { |
358 |
|
if (*cp == '=') { /* absolute setting */ |
359 |
|
p = NULL; |
361 |
|
for (cp++; isspace(*cp); cp++) |
362 |
|
; |
363 |
|
if (*cp == '\0') { /* interactive */ |
364 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
364 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
365 |
|
(*dev->comout)(buf); |
366 |
|
(*dev->comin)(buf, NULL); |
367 |
|
for (cp = buf; isspace(*cp); cp++) |
369 |
|
if (*cp == '\0') |
370 |
|
return; |
371 |
|
} |
282 |
– |
} else { /* normalize to average */ |
283 |
– |
p = &ptrunk; |
284 |
– |
e = 1.0; |
372 |
|
} |
373 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
374 |
|
e *= pow(2.0, atof(cp)); |
376 |
|
e *= atof(cp); |
377 |
|
} |
378 |
|
if (p != NULL) { /* relative setting */ |
379 |
< |
if (bright(p->v) <= FTINY) { |
379 |
> |
if (bright(p->v) < 1e-15) { |
380 |
|
error(COMMAND, "cannot normalize to zero"); |
381 |
|
return; |
382 |
|
} |
383 |
< |
e *= 0.5 / bright(p->v); |
383 |
> |
if (adapt) |
384 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
385 |
> |
else |
386 |
> |
e *= 0.5 / bright(p->v); |
387 |
|
} |
388 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
389 |
|
return; |
411 |
|
(*dev->comout)(buf); |
412 |
|
(*dev->comin)(buf, NULL); |
413 |
|
if (sscanf(buf, "%d", &i0) != 1) |
414 |
< |
break; |
414 |
> |
return(0); |
415 |
|
} |
416 |
|
ptr->i = i0; |
417 |
< |
break; |
417 |
> |
return(1); |
418 |
|
case 'r': /* real */ |
419 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
420 |
|
(*dev->comout)(dsc); |
422 |
|
(*dev->comout)(buf); |
423 |
|
(*dev->comin)(buf, NULL); |
424 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
425 |
< |
break; |
425 |
> |
return(0); |
426 |
|
} |
427 |
|
ptr->d = d0; |
428 |
< |
break; |
428 |
> |
return(1); |
429 |
|
case 'b': /* boolean */ |
430 |
|
if (sscanf(str, "%1s", buf) != 1) { |
431 |
|
(*dev->comout)(dsc); |
432 |
< |
sprintf(buf, " (%c): ", ptr->i ? 'y' : 'n'); |
432 |
> |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
433 |
|
(*dev->comout)(buf); |
434 |
|
(*dev->comin)(buf, NULL); |
435 |
|
if (buf[0] == '\0' || |
436 |
|
index("yY+1tTnN-0fF", buf[0]) == NULL) |
437 |
< |
break; |
437 |
> |
return(0); |
438 |
|
} |
439 |
|
ptr->i = index("yY+1tT", buf[0]) != NULL; |
440 |
< |
break; |
440 |
> |
return(1); |
441 |
|
case 'C': /* color */ |
442 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
443 |
|
(*dev->comout)(dsc); |
448 |
|
(*dev->comout)(buf); |
449 |
|
(*dev->comin)(buf, NULL); |
450 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
451 |
< |
break; |
451 |
> |
return(0); |
452 |
|
} |
453 |
|
setcolor(ptr->C, d0, d1, d2); |
454 |
< |
break; |
454 |
> |
return(1); |
455 |
|
} |
456 |
|
} |
457 |
|
|
468 |
|
extern double shadcert; |
469 |
|
extern COLOR ambval; |
470 |
|
extern double ambacc; |
381 |
– |
extern double minarad; |
471 |
|
extern int ambres; |
472 |
|
extern int ambdiv; |
473 |
|
extern int ambssamp; |
474 |
|
extern int ambounce; |
475 |
< |
extern int directinvis; |
475 |
> |
extern int directvis; |
476 |
> |
extern double srcsizerat; |
477 |
|
extern int do_irrad; |
478 |
+ |
extern double specjitter; |
479 |
+ |
extern double specthresh; |
480 |
|
char buf[128]; |
481 |
|
|
482 |
|
if (s[0] == '\0') { |
483 |
|
(*dev->comout)( |
484 |
< |
"aa ab ad ar as av b dc di dj dt i lr lw sp st: "); |
484 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
485 |
|
(*dev->comin)(buf, NULL); |
486 |
|
s = buf; |
487 |
|
} |
509 |
|
case 't': /* threshold */ |
510 |
|
getparam(s+2, "direct threshold", 'r', &shadthresh); |
511 |
|
break; |
512 |
< |
case 'i': /* invisibility */ |
513 |
< |
getparam(s+2, "direct invisibility", |
514 |
< |
'b', &directinvis); |
512 |
> |
case 'v': /* visibility */ |
513 |
> |
getparam(s+2, "direct visibility", |
514 |
> |
'b', &directvis); |
515 |
|
break; |
516 |
+ |
case 's': /* sampling */ |
517 |
+ |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
518 |
+ |
break; |
519 |
|
default: |
520 |
|
goto badparam; |
521 |
|
} |
529 |
|
case 'a': /* ambient */ |
530 |
|
switch (s[1]) { |
531 |
|
case 'v': /* value */ |
532 |
< |
getparam(s+2, "ambient value", 'C', ambval); |
532 |
> |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
533 |
|
break; |
534 |
|
case 'a': /* accuracy */ |
535 |
< |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
535 |
> |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
536 |
> |
setambacc(ambacc); |
537 |
|
break; |
538 |
|
case 'd': /* divisions */ |
539 |
|
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
545 |
|
getparam(s+2, "ambient bounces", 'i', &ambounce); |
546 |
|
break; |
547 |
|
case 'r': |
548 |
< |
getparam(s+2, "ambient resolution", 'i', &ambres); |
549 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
548 |
> |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
549 |
> |
setambres(ambres); |
550 |
|
break; |
551 |
|
default: |
552 |
|
goto badparam; |
553 |
|
} |
554 |
|
break; |
555 |
< |
case 's': /* sample */ |
555 |
> |
case 'p': /* pixel */ |
556 |
|
switch (s[1]) { |
557 |
< |
case 'p': /* pixel */ |
558 |
< |
getparam(s+2, "sample pixel", 'i', &psample); |
559 |
< |
pdepth = 0; |
557 |
> |
case 's': /* sample */ |
558 |
> |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
559 |
> |
pdepth = 0; |
560 |
|
break; |
561 |
|
case 't': /* threshold */ |
562 |
< |
getparam(s+2, "sample threshold", 'r', &maxdiff); |
563 |
< |
pdepth = 0; |
562 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
563 |
> |
pdepth = 0; |
564 |
|
break; |
565 |
|
default: |
566 |
|
goto badparam; |
567 |
|
} |
568 |
|
break; |
569 |
+ |
case 's': /* specular */ |
570 |
+ |
switch (s[1]) { |
571 |
+ |
case 'j': /* jitter */ |
572 |
+ |
getparam(s+2, "specular jitter", 'r', &specjitter); |
573 |
+ |
break; |
574 |
+ |
case 't': /* threshold */ |
575 |
+ |
getparam(s+2, "specular threshold", 'r', &specthresh); |
576 |
+ |
break; |
577 |
+ |
default: |
578 |
+ |
goto badparam; |
579 |
+ |
} |
580 |
+ |
break; |
581 |
|
case '\0': /* nothing */ |
582 |
|
break; |
583 |
|
default:; |
597 |
|
int x, y; |
598 |
|
RAY thisray; |
599 |
|
|
600 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
601 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
494 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
600 |
> |
if (!sscanvec(s, thisray.rorg) || |
601 |
> |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
602 |
|
|
603 |
|
if (dev->getcur == NULL) |
604 |
|
return; |
638 |
|
(*dev->comout)(buf); |
639 |
|
} |
640 |
|
(*dev->comin)(buf, NULL); |
641 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
641 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
642 |
|
colval(thisray.rcol,RED), |
643 |
|
colval(thisray.rcol,GRN), |
644 |
< |
colval(thisray.rcol,BLU)); |
644 |
> |
colval(thisray.rcol,BLU), |
645 |
> |
luminance(thisray.rcol)); |
646 |
|
(*dev->comout)(buf); |
647 |
|
} |
648 |
|
(*dev->comin)(buf, NULL); |
668 |
|
error(COMMAND, errmsg); |
669 |
|
return; |
670 |
|
} |
671 |
+ |
#ifdef MSDOS |
672 |
+ |
setmode(fileno(fp), O_BINARY); |
673 |
+ |
#endif |
674 |
|
(*dev->comout)("writing \""); |
675 |
|
(*dev->comout)(fname); |
676 |
|
(*dev->comout)("\"...\n"); |
688 |
|
fputaspect(dev->pixaspect, fp); |
689 |
|
fputformat(COLRFMT, fp); |
690 |
|
putc('\n', fp); |
691 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
691 |
> |
fprtresolu(hresolu, vresolu, fp); |
692 |
|
|
693 |
|
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
694 |
|
if (scanline == NULL) { |