1 |
< |
/* Copyright (c) 1987 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1993 Regents of the University of California */ |
2 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
18 |
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|
19 |
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#include "rpaint.h" |
20 |
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|
21 |
+ |
#include "resolu.h" |
22 |
+ |
|
23 |
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#include <ctype.h> |
24 |
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|
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 |
+ |
|
34 |
+ |
extern char VersionID[]; |
35 |
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extern char *progname; |
36 |
+ |
extern char *octname; |
37 |
|
|
38 |
|
|
39 |
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getframe(s) /* get a new frame */ |
65 |
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int change = 0; |
66 |
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VIEW nv; |
67 |
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|
68 |
+ |
while (isspace(*s)) |
69 |
+ |
s++; |
70 |
+ |
if (*s == '-') { /* command line parameters */ |
71 |
+ |
copystruct(&nv, &ourview); |
72 |
+ |
if (sscanview(&nv, s)) |
73 |
+ |
newview(&nv); |
74 |
+ |
else |
75 |
+ |
error(COMMAND, "bad view option(s)"); |
76 |
+ |
return; |
77 |
+ |
} |
78 |
|
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
79 |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
80 |
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(fp = fopen(fname, "a")) == NULL) { |
92 |
|
sprintf(buf, "view type (%c): ", ourview.type); |
93 |
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(*dev->comout)(buf); |
94 |
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(*dev->comin)(buf, NULL); |
95 |
< |
if (buf[0] == CTRL(C)) return; |
95 |
> |
if (buf[0] == CTRL('C')) return; |
96 |
|
if (buf[0] && buf[0] != ourview.type) { |
97 |
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nv.type = buf[0]; |
98 |
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change++; |
102 |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
103 |
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(*dev->comout)(buf); |
104 |
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(*dev->comin)(buf, NULL); |
105 |
< |
if (buf[0] == CTRL(C)) return; |
106 |
< |
if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
105 |
> |
if (buf[0] == CTRL('C')) return; |
106 |
> |
if (sscanvec(buf, nv.vp)) |
107 |
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change++; |
108 |
|
else |
109 |
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VCOPY(nv.vp, ourview.vp); |
111 |
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ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
112 |
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(*dev->comout)(buf); |
113 |
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(*dev->comin)(buf, NULL); |
114 |
< |
if (buf[0] == CTRL(C)) return; |
115 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
114 |
> |
if (buf[0] == CTRL('C')) return; |
115 |
> |
if (sscanvec(buf, nv.vdir)) |
116 |
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change++; |
117 |
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else |
118 |
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VCOPY(nv.vdir, ourview.vdir); |
120 |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
121 |
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(*dev->comout)(buf); |
122 |
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(*dev->comin)(buf, NULL); |
123 |
< |
if (buf[0] == CTRL(C)) return; |
124 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
123 |
> |
if (buf[0] == CTRL('C')) return; |
124 |
> |
if (sscanvec(buf, nv.vup)) |
125 |
|
change++; |
126 |
|
else |
127 |
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VCOPY(nv.vup, ourview.vup); |
129 |
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ourview.horiz, ourview.vert); |
130 |
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(*dev->comout)(buf); |
131 |
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(*dev->comin)(buf, NULL); |
132 |
< |
if (buf[0] == CTRL(C)) return; |
132 |
> |
if (buf[0] == CTRL('C')) return; |
133 |
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if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
134 |
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change++; |
135 |
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else { |
139 |
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ourview.hoff, ourview.voff); |
140 |
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(*dev->comout)(buf); |
141 |
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(*dev->comin)(buf, NULL); |
142 |
< |
if (buf[0] == CTRL(C)) return; |
142 |
> |
if (buf[0] == CTRL('C')) return; |
143 |
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if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
144 |
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change++; |
145 |
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else { |
161 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
162 |
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copystruct(&nv, &stdview); |
163 |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
164 |
< |
(success = viewfile(fname, &nv, 0, 0)) == -1) { |
164 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
165 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
166 |
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error(COMMAND, errmsg); |
167 |
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return; |
186 |
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getaim(s) /* aim camera */ |
187 |
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char *s; |
188 |
|
{ |
168 |
– |
extern double tan(), atan(); |
189 |
|
double zfact; |
190 |
|
VIEW nv; |
191 |
|
|
216 |
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getrotate(s) /* rotate camera */ |
217 |
|
char *s; |
218 |
|
{ |
199 |
– |
extern double normalize(), tan(), atan(); |
219 |
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VIEW nv; |
220 |
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FVECT v1; |
221 |
|
double angle, elev, zfact; |
261 |
|
getexposure(s) /* get new exposure */ |
262 |
|
char *s; |
263 |
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{ |
245 |
– |
double atof(), pow(), fabs(); |
264 |
|
char buf[128]; |
265 |
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register char *cp; |
248 |
– |
register PNODE *p; |
266 |
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RECT r; |
267 |
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int x, y; |
268 |
< |
double e; |
269 |
< |
|
268 |
> |
register PNODE *p = &ptrunk; |
269 |
> |
int adapt = 0; |
270 |
> |
double e = 1.0; |
271 |
> |
start: |
272 |
|
for (cp = s; isspace(*cp); cp++) |
273 |
|
; |
274 |
+ |
if (*cp == '@') { |
275 |
+ |
adapt++; |
276 |
+ |
goto start; |
277 |
+ |
} |
278 |
|
if (*cp == '\0') { /* normalize to point */ |
279 |
|
if (dev->getcur == NULL) |
280 |
|
return; |
284 |
|
r.l = r.d = 0; |
285 |
|
r.r = hresolu; r.u = vresolu; |
286 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
264 |
– |
e = 1.0; |
287 |
|
} else { |
288 |
|
if (*cp == '=') { /* absolute setting */ |
289 |
|
p = NULL; |
291 |
|
for (cp++; isspace(*cp); cp++) |
292 |
|
; |
293 |
|
if (*cp == '\0') { /* interactive */ |
294 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
294 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
295 |
|
(*dev->comout)(buf); |
296 |
|
(*dev->comin)(buf, NULL); |
297 |
|
for (cp = buf; isspace(*cp); cp++) |
299 |
|
if (*cp == '\0') |
300 |
|
return; |
301 |
|
} |
280 |
– |
} else { /* normalize to average */ |
281 |
– |
p = &ptrunk; |
282 |
– |
e = 1.0; |
302 |
|
} |
303 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
304 |
|
e *= pow(2.0, atof(cp)); |
306 |
|
e *= atof(cp); |
307 |
|
} |
308 |
|
if (p != NULL) { /* relative setting */ |
309 |
< |
if (bright(p->v) <= FTINY) { |
309 |
> |
if (bright(p->v) < 1e-15) { |
310 |
|
error(COMMAND, "cannot normalize to zero"); |
311 |
|
return; |
312 |
|
} |
313 |
< |
e *= 0.5 / bright(p->v); |
313 |
> |
if (adapt) |
314 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
315 |
> |
else |
316 |
> |
e *= 0.5 / bright(p->v); |
317 |
|
} |
318 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
319 |
|
return; |
341 |
|
(*dev->comout)(buf); |
342 |
|
(*dev->comin)(buf, NULL); |
343 |
|
if (sscanf(buf, "%d", &i0) != 1) |
344 |
< |
break; |
344 |
> |
return(0); |
345 |
|
} |
346 |
|
ptr->i = i0; |
347 |
< |
break; |
347 |
> |
return(1); |
348 |
|
case 'r': /* real */ |
349 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
350 |
|
(*dev->comout)(dsc); |
352 |
|
(*dev->comout)(buf); |
353 |
|
(*dev->comin)(buf, NULL); |
354 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
355 |
< |
break; |
355 |
> |
return(0); |
356 |
|
} |
357 |
|
ptr->d = d0; |
358 |
< |
break; |
358 |
> |
return(1); |
359 |
|
case 'b': /* boolean */ |
360 |
|
if (sscanf(str, "%1s", buf) != 1) { |
361 |
|
(*dev->comout)(dsc); |
362 |
< |
sprintf(buf, " (%c): ", ptr->i ? 'y' : 'n'); |
362 |
> |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
363 |
|
(*dev->comout)(buf); |
364 |
|
(*dev->comin)(buf, NULL); |
365 |
|
if (buf[0] == '\0' || |
366 |
|
index("yY+1tTnN-0fF", buf[0]) == NULL) |
367 |
< |
break; |
367 |
> |
return(0); |
368 |
|
} |
369 |
|
ptr->i = index("yY+1tT", buf[0]) != NULL; |
370 |
< |
break; |
370 |
> |
return(1); |
371 |
|
case 'C': /* color */ |
372 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
373 |
|
(*dev->comout)(dsc); |
378 |
|
(*dev->comout)(buf); |
379 |
|
(*dev->comin)(buf, NULL); |
380 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
381 |
< |
break; |
381 |
> |
return(0); |
382 |
|
} |
383 |
|
setcolor(ptr->C, d0, d1, d2); |
384 |
< |
break; |
384 |
> |
return(1); |
385 |
|
} |
386 |
|
} |
387 |
|
|
398 |
|
extern double shadcert; |
399 |
|
extern COLOR ambval; |
400 |
|
extern double ambacc; |
379 |
– |
extern double minarad; |
401 |
|
extern int ambres; |
402 |
|
extern int ambdiv; |
403 |
|
extern int ambssamp; |
404 |
|
extern int ambounce; |
405 |
< |
extern int directinvis; |
405 |
> |
extern int directvis; |
406 |
> |
extern double srcsizerat; |
407 |
|
extern int do_irrad; |
408 |
+ |
extern double specjitter; |
409 |
+ |
extern double specthresh; |
410 |
|
char buf[128]; |
411 |
|
|
412 |
|
if (s[0] == '\0') { |
413 |
|
(*dev->comout)( |
414 |
< |
"aa ab ad ar as av b dc di dj dt i lr lw sp st: "); |
414 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
415 |
|
(*dev->comin)(buf, NULL); |
416 |
|
s = buf; |
417 |
|
} |
439 |
|
case 't': /* threshold */ |
440 |
|
getparam(s+2, "direct threshold", 'r', &shadthresh); |
441 |
|
break; |
442 |
< |
case 'i': /* invisibility */ |
443 |
< |
getparam(s+2, "direct invisibility", |
444 |
< |
'b', &directinvis); |
442 |
> |
case 'v': /* visibility */ |
443 |
> |
getparam(s+2, "direct visibility", |
444 |
> |
'b', &directvis); |
445 |
|
break; |
446 |
+ |
case 's': /* sampling */ |
447 |
+ |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
448 |
+ |
break; |
449 |
|
default: |
450 |
|
goto badparam; |
451 |
|
} |
459 |
|
case 'a': /* ambient */ |
460 |
|
switch (s[1]) { |
461 |
|
case 'v': /* value */ |
462 |
< |
getparam(s+2, "ambient value", 'C', ambval); |
462 |
> |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
463 |
|
break; |
464 |
|
case 'a': /* accuracy */ |
465 |
< |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
465 |
> |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
466 |
> |
setambacc(ambacc); |
467 |
|
break; |
468 |
|
case 'd': /* divisions */ |
469 |
|
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
475 |
|
getparam(s+2, "ambient bounces", 'i', &ambounce); |
476 |
|
break; |
477 |
|
case 'r': |
478 |
< |
getparam(s+2, "ambient resolution", 'i', &ambres); |
479 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
478 |
> |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
479 |
> |
setambres(ambres); |
480 |
|
break; |
481 |
|
default: |
482 |
|
goto badparam; |
483 |
|
} |
484 |
|
break; |
485 |
< |
case 's': /* sample */ |
485 |
> |
case 'p': /* pixel */ |
486 |
|
switch (s[1]) { |
487 |
< |
case 'p': /* pixel */ |
488 |
< |
getparam(s+2, "sample pixel", 'i', &psample); |
489 |
< |
pdepth = 0; |
487 |
> |
case 's': /* sample */ |
488 |
> |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
489 |
> |
pdepth = 0; |
490 |
|
break; |
491 |
|
case 't': /* threshold */ |
492 |
< |
getparam(s+2, "sample threshold", 'r', &maxdiff); |
493 |
< |
pdepth = 0; |
492 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
493 |
> |
pdepth = 0; |
494 |
|
break; |
495 |
|
default: |
496 |
|
goto badparam; |
497 |
|
} |
498 |
|
break; |
499 |
+ |
case 's': /* specular */ |
500 |
+ |
switch (s[1]) { |
501 |
+ |
case 'j': /* jitter */ |
502 |
+ |
getparam(s+2, "specular jitter", 'r', &specjitter); |
503 |
+ |
break; |
504 |
+ |
case 't': /* threshold */ |
505 |
+ |
getparam(s+2, "specular threshold", 'r', &specthresh); |
506 |
+ |
break; |
507 |
+ |
default: |
508 |
+ |
goto badparam; |
509 |
+ |
} |
510 |
+ |
break; |
511 |
|
case '\0': /* nothing */ |
512 |
|
break; |
513 |
|
default:; |
514 |
|
badparam: |
515 |
+ |
*sskip(s) = '\0'; |
516 |
|
sprintf(errmsg, "%s: unknown variable", s); |
517 |
|
error(COMMAND, errmsg); |
518 |
|
break; |
527 |
|
int x, y; |
528 |
|
RAY thisray; |
529 |
|
|
530 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
531 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
491 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
530 |
> |
if (!sscanvec(s, thisray.rorg) || |
531 |
> |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
532 |
|
|
533 |
|
if (dev->getcur == NULL) |
534 |
|
return; |
568 |
|
(*dev->comout)(buf); |
569 |
|
} |
570 |
|
(*dev->comin)(buf, NULL); |
571 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
571 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
572 |
|
colval(thisray.rcol,RED), |
573 |
|
colval(thisray.rcol,GRN), |
574 |
< |
colval(thisray.rcol,BLU)); |
574 |
> |
colval(thisray.rcol,BLU), |
575 |
> |
luminance(thisray.rcol)); |
576 |
|
(*dev->comout)(buf); |
577 |
|
} |
578 |
|
(*dev->comin)(buf, NULL); |
598 |
|
error(COMMAND, errmsg); |
599 |
|
return; |
600 |
|
} |
601 |
+ |
#ifdef MSDOS |
602 |
+ |
setmode(fileno(fp), O_BINARY); |
603 |
+ |
#endif |
604 |
|
(*dev->comout)("writing \""); |
605 |
|
(*dev->comout)(fname); |
606 |
|
(*dev->comout)("\"...\n"); |
607 |
|
/* write header */ |
608 |
|
fputs(progname, fp); |
609 |
|
fprintview(&ourview, fp); |
610 |
< |
putc('\n', fp); |
610 |
> |
if (octname != NULL) |
611 |
> |
fprintf(fp, " %s\n", octname); |
612 |
> |
else |
613 |
> |
putc('\n', fp); |
614 |
> |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
615 |
|
if (exposure != 1.0) |
616 |
|
fputexpos(exposure, fp); |
617 |
|
if (dev->pixaspect != 1.0) |
618 |
|
fputaspect(dev->pixaspect, fp); |
619 |
|
fputformat(COLRFMT, fp); |
620 |
|
putc('\n', fp); |
621 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
621 |
> |
fprtresolu(hresolu, vresolu, fp); |
622 |
|
|
623 |
|
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
624 |
< |
if (scanline == NULL) |
625 |
< |
error(SYSTEM, "out of memory in writepict"); |
624 |
> |
if (scanline == NULL) { |
625 |
> |
error(COMMAND, "not enough memory!"); |
626 |
> |
fclose(fp); |
627 |
> |
unlink(fname); |
628 |
> |
return; |
629 |
> |
} |
630 |
|
for (y = vresolu-1; y >= 0; y--) { |
631 |
|
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
632 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
633 |
|
break; |
634 |
|
} |
635 |
+ |
free((char *)scanline); |
636 |
|
if (fclose(fp) < 0) |
637 |
|
error(COMMAND, "write error"); |
585 |
– |
free((char *)scanline); |
638 |
|
} |