1 |
< |
/* Copyright (c) 1987 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1991 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 |
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|
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 |
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|
38 |
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|
39 |
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getframe(s) /* get a new frame */ |
82 |
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sprintf(buf, "view type (%c): ", ourview.type); |
83 |
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(*dev->comout)(buf); |
84 |
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(*dev->comin)(buf, NULL); |
85 |
< |
if (buf[0] == CTRL(C)) return; |
85 |
> |
if (buf[0] == CTRL('C')) return; |
86 |
|
if (buf[0] && buf[0] != ourview.type) { |
87 |
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nv.type = buf[0]; |
88 |
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change++; |
92 |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
93 |
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(*dev->comout)(buf); |
94 |
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(*dev->comin)(buf, NULL); |
95 |
< |
if (buf[0] == CTRL(C)) return; |
96 |
< |
if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
95 |
> |
if (buf[0] == CTRL('C')) return; |
96 |
> |
if (sscanvec(buf, nv.vp)) |
97 |
|
change++; |
98 |
|
else |
99 |
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VCOPY(nv.vp, ourview.vp); |
101 |
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ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
102 |
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(*dev->comout)(buf); |
103 |
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(*dev->comin)(buf, NULL); |
104 |
< |
if (buf[0] == CTRL(C)) return; |
105 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
104 |
> |
if (buf[0] == CTRL('C')) return; |
105 |
> |
if (sscanvec(buf, nv.vdir)) |
106 |
|
change++; |
107 |
|
else |
108 |
|
VCOPY(nv.vdir, ourview.vdir); |
110 |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
111 |
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(*dev->comout)(buf); |
112 |
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(*dev->comin)(buf, NULL); |
113 |
< |
if (buf[0] == CTRL(C)) return; |
114 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
113 |
> |
if (buf[0] == CTRL('C')) return; |
114 |
> |
if (sscanvec(buf, nv.vup)) |
115 |
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change++; |
116 |
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else |
117 |
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VCOPY(nv.vup, ourview.vup); |
119 |
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ourview.horiz, ourview.vert); |
120 |
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(*dev->comout)(buf); |
121 |
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(*dev->comin)(buf, NULL); |
122 |
< |
if (buf[0] == CTRL(C)) return; |
122 |
> |
if (buf[0] == CTRL('C')) return; |
123 |
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if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
124 |
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change++; |
125 |
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else { |
129 |
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ourview.hoff, ourview.voff); |
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 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
134 |
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change++; |
135 |
|
else { |
151 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
152 |
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copystruct(&nv, &stdview); |
153 |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
154 |
< |
(success = viewfile(fname, &nv, 0, 0)) == -1) { |
154 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
155 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
156 |
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error(COMMAND, errmsg); |
157 |
|
return; |
253 |
|
getexposure(s) /* get new exposure */ |
254 |
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char *s; |
255 |
|
{ |
245 |
– |
double atof(), pow(), fabs(); |
256 |
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char buf[128]; |
257 |
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register char *cp; |
258 |
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register PNODE *p; |
297 |
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e *= atof(cp); |
298 |
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} |
299 |
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if (p != NULL) { /* relative setting */ |
300 |
< |
if (bright(p->v) <= FTINY) { |
300 |
> |
if (bright(p->v) < 1e-25) { |
301 |
|
error(COMMAND, "cannot normalize to zero"); |
302 |
|
return; |
303 |
|
} |
311 |
|
} |
312 |
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|
313 |
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|
314 |
+ |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
315 |
+ |
char *str, *dsc; |
316 |
+ |
int typ; |
317 |
+ |
register union {int i; double d; COLOR C;} *ptr; |
318 |
+ |
{ |
319 |
+ |
extern char *index(); |
320 |
+ |
int i0; |
321 |
+ |
double d0, d1, d2; |
322 |
+ |
char buf[48]; |
323 |
+ |
|
324 |
+ |
switch (typ) { |
325 |
+ |
case 'i': /* integer */ |
326 |
+ |
if (sscanf(str, "%d", &i0) != 1) { |
327 |
+ |
(*dev->comout)(dsc); |
328 |
+ |
sprintf(buf, " (%d): ", ptr->i); |
329 |
+ |
(*dev->comout)(buf); |
330 |
+ |
(*dev->comin)(buf, NULL); |
331 |
+ |
if (sscanf(buf, "%d", &i0) != 1) |
332 |
+ |
return(0); |
333 |
+ |
} |
334 |
+ |
ptr->i = i0; |
335 |
+ |
return(1); |
336 |
+ |
case 'r': /* real */ |
337 |
+ |
if (sscanf(str, "%lf", &d0) != 1) { |
338 |
+ |
(*dev->comout)(dsc); |
339 |
+ |
sprintf(buf, " (%.6g): ", ptr->d); |
340 |
+ |
(*dev->comout)(buf); |
341 |
+ |
(*dev->comin)(buf, NULL); |
342 |
+ |
if (sscanf(buf, "%lf", &d0) != 1) |
343 |
+ |
return(0); |
344 |
+ |
} |
345 |
+ |
ptr->d = d0; |
346 |
+ |
return(1); |
347 |
+ |
case 'b': /* boolean */ |
348 |
+ |
if (sscanf(str, "%1s", buf) != 1) { |
349 |
+ |
(*dev->comout)(dsc); |
350 |
+ |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
351 |
+ |
(*dev->comout)(buf); |
352 |
+ |
(*dev->comin)(buf, NULL); |
353 |
+ |
if (buf[0] == '\0' || |
354 |
+ |
index("yY+1tTnN-0fF", buf[0]) == NULL) |
355 |
+ |
return(0); |
356 |
+ |
} |
357 |
+ |
ptr->i = index("yY+1tT", buf[0]) != NULL; |
358 |
+ |
return(1); |
359 |
+ |
case 'C': /* color */ |
360 |
+ |
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
361 |
+ |
(*dev->comout)(dsc); |
362 |
+ |
sprintf(buf, " (%.6g %.6g %.6g): ", |
363 |
+ |
colval(ptr->C,RED), |
364 |
+ |
colval(ptr->C,GRN), |
365 |
+ |
colval(ptr->C,BLU)); |
366 |
+ |
(*dev->comout)(buf); |
367 |
+ |
(*dev->comin)(buf, NULL); |
368 |
+ |
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
369 |
+ |
return(0); |
370 |
+ |
} |
371 |
+ |
setcolor(ptr->C, d0, d1, d2); |
372 |
+ |
return(1); |
373 |
+ |
} |
374 |
+ |
} |
375 |
+ |
|
376 |
+ |
|
377 |
|
setparam(s) /* get/set program parameter */ |
378 |
|
register char *s; |
379 |
|
{ |
386 |
|
extern double shadcert; |
387 |
|
extern COLOR ambval; |
388 |
|
extern double ambacc; |
316 |
– |
extern double minarad; |
389 |
|
extern int ambres; |
390 |
|
extern int ambdiv; |
391 |
|
extern int ambssamp; |
392 |
|
extern int ambounce; |
393 |
< |
int i0; |
394 |
< |
double d0, d1, d2; |
393 |
> |
extern int directinvis; |
394 |
> |
extern double srcsizerat; |
395 |
> |
extern int do_irrad; |
396 |
> |
extern double specjitter; |
397 |
> |
extern double specthresh; |
398 |
|
char buf[128]; |
399 |
|
|
400 |
|
if (s[0] == '\0') { |
401 |
< |
(*dev->comout)("aa ab ad ar as av dc dj dt lr lw sp st: "); |
401 |
> |
(*dev->comout)( |
402 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
403 |
|
(*dev->comin)(buf, NULL); |
404 |
|
s = buf; |
405 |
|
} |
407 |
|
case 'l': /* limit */ |
408 |
|
switch (s[1]) { |
409 |
|
case 'w': /* weight */ |
410 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
335 |
< |
sprintf(buf, "limit weight (%.6g): ", |
336 |
< |
minweight); |
337 |
< |
(*dev->comout)(buf); |
338 |
< |
(*dev->comin)(buf, NULL); |
339 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
340 |
< |
break; |
341 |
< |
} |
342 |
< |
minweight = d0; |
410 |
> |
getparam(s+2, "limit weight", 'r', &minweight); |
411 |
|
break; |
412 |
|
case 'r': /* reflection */ |
413 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
346 |
< |
sprintf(buf, "limit reflection (%d): ", |
347 |
< |
maxdepth); |
348 |
< |
(*dev->comout)(buf); |
349 |
< |
(*dev->comin)(buf, NULL); |
350 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
351 |
< |
break; |
352 |
< |
} |
353 |
< |
maxdepth = i0; |
413 |
> |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
414 |
|
break; |
415 |
|
default: |
416 |
|
goto badparam; |
419 |
|
case 'd': /* direct */ |
420 |
|
switch (s[1]) { |
421 |
|
case 'j': /* jitter */ |
422 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
363 |
< |
sprintf(buf, "direct jitter (%.6g): ", |
364 |
< |
dstrsrc); |
365 |
< |
(*dev->comout)(buf); |
366 |
< |
(*dev->comin)(buf, NULL); |
367 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
368 |
< |
break; |
369 |
< |
} |
370 |
< |
dstrsrc = d0; |
422 |
> |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
423 |
|
break; |
424 |
|
case 'c': /* certainty */ |
425 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
374 |
< |
sprintf(buf, "direct certainty (%.6g): ", |
375 |
< |
shadcert); |
376 |
< |
(*dev->comout)(buf); |
377 |
< |
(*dev->comin)(buf, NULL); |
378 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
379 |
< |
break; |
380 |
< |
} |
381 |
< |
shadcert = d0; |
425 |
> |
getparam(s+2, "direct certainty", 'r', &shadcert); |
426 |
|
break; |
427 |
|
case 't': /* threshold */ |
428 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
385 |
< |
sprintf(buf, "direct threshold (%.6g): ", |
386 |
< |
shadthresh); |
387 |
< |
(*dev->comout)(buf); |
388 |
< |
(*dev->comin)(buf, NULL); |
389 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
390 |
< |
break; |
391 |
< |
} |
392 |
< |
shadthresh = d0; |
428 |
> |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
429 |
|
break; |
430 |
+ |
case 'i': /* invisibility */ |
431 |
+ |
getparam(s+2, "direct invisibility", |
432 |
+ |
'b', &directinvis); |
433 |
+ |
break; |
434 |
+ |
case 's': /* sampling */ |
435 |
+ |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
436 |
+ |
break; |
437 |
|
default: |
438 |
|
goto badparam; |
439 |
|
} |
440 |
|
break; |
441 |
+ |
case 'b': /* black and white */ |
442 |
+ |
getparam(s+1, "black and white", 'b', &greyscale); |
443 |
+ |
break; |
444 |
+ |
case 'i': /* irradiance */ |
445 |
+ |
getparam(s+1, "irradiance", 'b', &do_irrad); |
446 |
+ |
break; |
447 |
|
case 'a': /* ambient */ |
448 |
|
switch (s[1]) { |
449 |
|
case 'v': /* value */ |
450 |
< |
if (sscanf(s+2, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
402 |
< |
sprintf(buf, |
403 |
< |
"ambient value (%.6g %.6g %.6g): ", |
404 |
< |
colval(ambval,RED), |
405 |
< |
colval(ambval,GRN), |
406 |
< |
colval(ambval,BLU)); |
407 |
< |
(*dev->comout)(buf); |
408 |
< |
(*dev->comin)(buf, NULL); |
409 |
< |
if (sscanf(buf, "%lf %lf %lf", |
410 |
< |
&d0, &d1, &d2) != 3) |
411 |
< |
break; |
412 |
< |
} |
413 |
< |
setcolor(ambval, d0, d1, d2); |
450 |
> |
getparam(s+2, "ambient value", 'C', ambval); |
451 |
|
break; |
452 |
|
case 'a': /* accuracy */ |
453 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
417 |
< |
sprintf(buf, "ambient accuracy (%.6g): ", |
418 |
< |
ambacc); |
419 |
< |
(*dev->comout)(buf); |
420 |
< |
(*dev->comin)(buf, NULL); |
421 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
422 |
< |
break; |
423 |
< |
} |
424 |
< |
ambacc = d0; |
453 |
> |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
454 |
|
break; |
455 |
|
case 'd': /* divisions */ |
456 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
428 |
< |
sprintf(buf, "ambient divisions (%d): ", |
429 |
< |
ambdiv); |
430 |
< |
(*dev->comout)(buf); |
431 |
< |
(*dev->comin)(buf, NULL); |
432 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
433 |
< |
break; |
434 |
< |
} |
435 |
< |
ambdiv = i0; |
456 |
> |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
457 |
|
break; |
458 |
|
case 's': /* samples */ |
459 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
439 |
< |
sprintf(buf, "ambient super-samples (%d): ", |
440 |
< |
ambssamp); |
441 |
< |
(*dev->comout)(buf); |
442 |
< |
(*dev->comin)(buf, NULL); |
443 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
444 |
< |
break; |
445 |
< |
} |
446 |
< |
ambssamp = i0; |
459 |
> |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
460 |
|
break; |
461 |
|
case 'b': /* bounces */ |
462 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
450 |
< |
sprintf(buf, "ambient bounces (%d): ", |
451 |
< |
ambounce); |
452 |
< |
(*dev->comout)(buf); |
453 |
< |
(*dev->comin)(buf, NULL); |
454 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
455 |
< |
break; |
456 |
< |
} |
457 |
< |
ambounce = i0; |
462 |
> |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
463 |
|
break; |
464 |
|
case 'r': |
465 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
466 |
< |
sprintf(buf, "ambient resolution (%d): ", |
462 |
< |
ambres); |
463 |
< |
(*dev->comout)(buf); |
464 |
< |
(*dev->comin)(buf, NULL); |
465 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
466 |
< |
break; |
467 |
< |
} |
468 |
< |
ambres = i0; |
469 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
465 |
> |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
466 |
> |
setambres(ambres); |
467 |
|
break; |
468 |
|
default: |
469 |
|
goto badparam; |
470 |
|
} |
471 |
|
break; |
472 |
< |
case 's': /* sample */ |
472 |
> |
case 'p': /* pixel */ |
473 |
|
switch (s[1]) { |
474 |
< |
case 'p': /* pixel */ |
475 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
476 |
< |
sprintf(buf, "sample pixel (%d): ", psample); |
480 |
< |
(*dev->comout)(buf); |
481 |
< |
(*dev->comin)(buf, NULL); |
482 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
483 |
< |
break; |
484 |
< |
} |
485 |
< |
psample = i0; |
486 |
< |
pdepth = 0; |
474 |
> |
case 's': /* sample */ |
475 |
> |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
476 |
> |
pdepth = 0; |
477 |
|
break; |
478 |
|
case 't': /* threshold */ |
479 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
480 |
< |
sprintf(buf, "sample threshold (%.6g): ", |
491 |
< |
maxdiff); |
492 |
< |
(*dev->comout)(buf); |
493 |
< |
(*dev->comin)(buf, NULL); |
494 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
495 |
< |
break; |
496 |
< |
} |
497 |
< |
maxdiff = d0; |
498 |
< |
pdepth = 0; |
479 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
480 |
> |
pdepth = 0; |
481 |
|
break; |
482 |
|
default: |
483 |
|
goto badparam; |
484 |
|
} |
485 |
|
break; |
486 |
+ |
case 's': /* specular */ |
487 |
+ |
switch (s[1]) { |
488 |
+ |
case 'j': /* jitter */ |
489 |
+ |
getparam(s+2, "specular jitter", 'r', &specjitter); |
490 |
+ |
break; |
491 |
+ |
case 't': /* threshold */ |
492 |
+ |
getparam(s+2, "specular threshold", 'r', &specthresh); |
493 |
+ |
break; |
494 |
+ |
default: |
495 |
+ |
goto badparam; |
496 |
+ |
} |
497 |
+ |
break; |
498 |
|
case '\0': /* nothing */ |
499 |
|
break; |
500 |
|
default:; |
501 |
|
badparam: |
502 |
+ |
*sskip(s) = '\0'; |
503 |
|
sprintf(errmsg, "%s: unknown variable", s); |
504 |
|
error(COMMAND, errmsg); |
505 |
|
break; |
514 |
|
int x, y; |
515 |
|
RAY thisray; |
516 |
|
|
517 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
518 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
524 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
517 |
> |
if (!sscanvec(s, thisray.rorg) || |
518 |
> |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
519 |
|
|
520 |
|
if (dev->getcur == NULL) |
521 |
|
return; |
555 |
|
(*dev->comout)(buf); |
556 |
|
} |
557 |
|
(*dev->comin)(buf, NULL); |
558 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
558 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
559 |
|
colval(thisray.rcol,RED), |
560 |
|
colval(thisray.rcol,GRN), |
561 |
< |
colval(thisray.rcol,BLU)); |
561 |
> |
colval(thisray.rcol,BLU), |
562 |
> |
luminance(thisray.rcol)); |
563 |
|
(*dev->comout)(buf); |
564 |
|
} |
565 |
|
(*dev->comin)(buf, NULL); |
591 |
|
/* write header */ |
592 |
|
fputs(progname, fp); |
593 |
|
fprintview(&ourview, fp); |
594 |
< |
putc('\n', fp); |
594 |
> |
if (octname != NULL) |
595 |
> |
fprintf(fp, " %s\n", octname); |
596 |
> |
else |
597 |
> |
putc('\n', fp); |
598 |
> |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
599 |
|
if (exposure != 1.0) |
600 |
|
fputexpos(exposure, fp); |
601 |
|
if (dev->pixaspect != 1.0) |
602 |
|
fputaspect(dev->pixaspect, fp); |
603 |
|
fputformat(COLRFMT, fp); |
604 |
|
putc('\n', fp); |
605 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
605 |
> |
fprtresolu(hresolu, vresolu, fp); |
606 |
|
|
607 |
|
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
608 |
< |
if (scanline == NULL) |
609 |
< |
error(SYSTEM, "out of memory in writepict"); |
608 |
> |
if (scanline == NULL) { |
609 |
> |
error(COMMAND, "not enough memory!"); |
610 |
> |
fclose(fp); |
611 |
> |
unlink(fname); |
612 |
> |
return; |
613 |
> |
} |
614 |
|
for (y = vresolu-1; y >= 0; y--) { |
615 |
|
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
616 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
617 |
|
break; |
618 |
|
} |
619 |
+ |
free((char *)scanline); |
620 |
|
if (fclose(fp) < 0) |
621 |
|
error(COMMAND, "write error"); |
618 |
– |
free((char *)scanline); |
622 |
|
} |