13 |
|
#include <string.h> |
14 |
|
|
15 |
|
#include "platform.h" |
16 |
+ |
#include "rtprocess.h" /* win_popen() */ |
17 |
+ |
#include "paths.h" |
18 |
|
#include "ray.h" |
19 |
+ |
#include "ambient.h" |
20 |
|
#include "otypes.h" |
21 |
+ |
#include "otspecial.h" |
22 |
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#include "rpaint.h" |
23 |
|
|
24 |
|
extern int psample; /* pixel sample size */ |
26 |
|
|
27 |
|
#define CTRL(c) ((c)-'@') |
28 |
|
|
29 |
< |
#ifdef SMLFLT |
26 |
< |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
27 |
< |
#else |
28 |
< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
29 |
< |
#endif |
29 |
> |
#define sscanvec(s,v) (sscanf(s,FVFORMAT,v,v+1,v+2)==3) |
30 |
|
|
31 |
|
extern char rifname[128]; /* rad input file name */ |
32 |
|
|
35 |
|
|
36 |
|
|
37 |
|
void |
38 |
< |
getframe(s) /* get a new frame */ |
39 |
< |
char *s; |
38 |
> |
getframe( /* get a new frame */ |
39 |
> |
char *s |
40 |
> |
) |
41 |
|
{ |
42 |
|
if (getrect(s, &pframe) < 0) |
43 |
|
return; |
46 |
|
|
47 |
|
|
48 |
|
void |
49 |
< |
getrepaint(s) /* get area and repaint */ |
50 |
< |
char *s; |
49 |
> |
getrepaint( /* get area and repaint */ |
50 |
> |
char *s |
51 |
> |
) |
52 |
|
{ |
53 |
|
RECT box; |
54 |
|
|
55 |
|
if (getrect(s, &box) < 0) |
56 |
|
return; |
57 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
57 |
> |
paintrect(&ptrunk, &box); |
58 |
|
} |
59 |
|
|
60 |
|
|
61 |
|
void |
62 |
< |
getview(s) /* get/show view parameters */ |
63 |
< |
char *s; |
62 |
> |
getview( /* get/show/save view parameters */ |
63 |
> |
char *s |
64 |
> |
) |
65 |
|
{ |
66 |
|
FILE *fp; |
67 |
|
char buf[128]; |
68 |
|
char *fname; |
69 |
|
int change = 0; |
70 |
< |
VIEW nv; |
70 |
> |
VIEW nv = ourview; |
71 |
|
|
72 |
|
while (isspace(*s)) |
73 |
|
s++; |
74 |
|
if (*s == '-') { /* command line parameters */ |
72 |
– |
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 */ |
81 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { /* write to a file */ |
82 |
|
if ((fname = getpath(buf, NULL, 0)) == NULL || |
83 |
|
(fp = fopen(fname, "a")) == NULL) { |
84 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
99 |
|
if (buf[0] && buf[0] != ourview.type) { |
100 |
|
nv.type = buf[0]; |
101 |
|
change++; |
102 |
< |
} else |
101 |
< |
nv.type = ourview.type; |
102 |
> |
} |
103 |
|
sprintf(buf, "view point (%.6g %.6g %.6g): ", |
104 |
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
105 |
|
(*dev->comout)(buf); |
107 |
|
if (buf[0] == CTRL('C')) return; |
108 |
|
if (sscanvec(buf, nv.vp)) |
109 |
|
change++; |
109 |
– |
else |
110 |
– |
VCOPY(nv.vp, ourview.vp); |
110 |
|
sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
111 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
111 |
> |
ourview.vdir[0]*ourview.vdist, |
112 |
> |
ourview.vdir[1]*ourview.vdist, |
113 |
> |
ourview.vdir[2]*ourview.vdist); |
114 |
|
(*dev->comout)(buf); |
115 |
|
(*dev->comin)(buf, NULL); |
116 |
|
if (buf[0] == CTRL('C')) return; |
117 |
< |
if (sscanvec(buf, nv.vdir)) |
117 |
> |
if (sscanvec(buf, nv.vdir)) { |
118 |
> |
nv.vdist = 1.; |
119 |
|
change++; |
120 |
< |
else |
119 |
< |
VCOPY(nv.vdir, ourview.vdir); |
120 |
> |
} |
121 |
|
sprintf(buf, "view up (%.6g %.6g %.6g): ", |
122 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
123 |
|
(*dev->comout)(buf); |
125 |
|
if (buf[0] == CTRL('C')) return; |
126 |
|
if (sscanvec(buf, nv.vup)) |
127 |
|
change++; |
127 |
– |
else |
128 |
– |
VCOPY(nv.vup, ourview.vup); |
128 |
|
sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
129 |
|
ourview.horiz, ourview.vert); |
130 |
|
(*dev->comout)(buf); |
132 |
|
if (buf[0] == CTRL('C')) return; |
133 |
|
if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
134 |
|
change++; |
136 |
– |
else { |
137 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
138 |
– |
} |
135 |
|
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
136 |
|
ourview.vfore, ourview.vaft); |
137 |
|
(*dev->comout)(buf); |
139 |
|
if (buf[0] == CTRL('C')) return; |
140 |
|
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
141 |
|
change++; |
146 |
– |
else { |
147 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
148 |
– |
} |
142 |
|
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
143 |
|
ourview.hoff, ourview.voff); |
144 |
|
(*dev->comout)(buf); |
146 |
|
if (buf[0] == CTRL('C')) return; |
147 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
148 |
|
change++; |
156 |
– |
else { |
157 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
158 |
– |
} |
149 |
|
if (change) |
150 |
|
newview(&nv); |
151 |
|
} |
152 |
|
|
153 |
|
|
154 |
|
void |
155 |
< |
lastview(s) /* return to a previous view */ |
156 |
< |
char *s; |
155 |
> |
lastview( /* return to a previous view */ |
156 |
> |
char *s |
157 |
> |
) |
158 |
|
{ |
159 |
|
char buf[128]; |
160 |
|
char *fname; |
161 |
|
int success; |
162 |
|
VIEW nv; |
163 |
< |
|
164 |
< |
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
163 |
> |
/* get parameters from a file */ |
164 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { |
165 |
|
nv = stdview; |
166 |
|
if ((fname = getpath(buf, "", R_OK)) == NULL || |
167 |
|
(success = viewfile(fname, &nv, NULL)) == -1) { |
182 |
|
nv = ourview; |
183 |
|
ourview = oldview; |
184 |
|
oldview = nv; |
185 |
< |
newimage(); |
185 |
> |
newimage(NULL); |
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
|
void |
190 |
< |
saveview(s) /* save view to rad file */ |
191 |
< |
char *s; |
190 |
> |
saveview( /* save view to rad file */ |
191 |
> |
char *s |
192 |
> |
) |
193 |
|
{ |
194 |
|
char view[64]; |
195 |
|
char *fname; |
202 |
|
} |
203 |
|
s = sskip(s); |
204 |
|
} |
205 |
< |
while (isspace(*s)) |
214 |
< |
s++; |
215 |
< |
if (*s) |
216 |
< |
atos(rifname, sizeof(rifname), s); |
217 |
< |
else if (rifname[0] == '\0') { |
205 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
206 |
|
error(COMMAND, "no previous rad file"); |
207 |
|
return; |
208 |
|
} |
221 |
|
|
222 |
|
|
223 |
|
void |
224 |
< |
loadview(s) /* load view from rad file */ |
225 |
< |
char *s; |
224 |
> |
loadview( /* load view from rad file */ |
225 |
> |
char *s |
226 |
> |
) |
227 |
|
{ |
228 |
|
char buf[512]; |
229 |
|
char *fname; |
235 |
|
s = sskip(s); |
236 |
|
else |
237 |
|
strcat(buf, "1"); |
238 |
< |
if (*s) |
250 |
< |
atos(rifname, sizeof(rifname), s); |
251 |
< |
else if (rifname[0] == '\0') { |
238 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
239 |
|
error(COMMAND, "no previous rad file"); |
240 |
|
return; |
241 |
|
} |
262 |
|
|
263 |
|
|
264 |
|
void |
265 |
< |
getaim(s) /* aim camera */ |
266 |
< |
char *s; |
265 |
> |
getaim( /* aim camera */ |
266 |
> |
char *s |
267 |
> |
) |
268 |
|
{ |
269 |
+ |
VIEW nv = ourview; |
270 |
|
double zfact; |
282 |
– |
VIEW nv; |
271 |
|
|
272 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
273 |
|
return; |
286 |
– |
nv.type = ourview.type; |
287 |
– |
VCOPY(nv.vp, ourview.vp); |
288 |
– |
VCOPY(nv.vup, ourview.vup); |
289 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
290 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
291 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
274 |
|
zoomview(&nv, zfact); |
275 |
|
newview(&nv); |
276 |
|
} |
277 |
|
|
278 |
|
|
279 |
|
void |
280 |
< |
getmove(s) /* move camera */ |
281 |
< |
char *s; |
280 |
> |
getfocus( /* set focus distance */ |
281 |
> |
char *s |
282 |
> |
) |
283 |
|
{ |
284 |
+ |
char buf[64]; |
285 |
+ |
double dist; |
286 |
+ |
|
287 |
+ |
if (sscanf(s, "%lf", &dist) < 1) { |
288 |
+ |
int x, y; |
289 |
+ |
RAY thisray; |
290 |
+ |
if (dev->getcur == NULL) |
291 |
+ |
return; |
292 |
+ |
(*dev->comout)("Pick focus point\n"); |
293 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
294 |
+ |
return; |
295 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
296 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
297 |
+ |
error(COMMAND, "not on image"); |
298 |
+ |
return; |
299 |
+ |
} |
300 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
301 |
+ |
if (!localhit(&thisray, &thescene)) { |
302 |
+ |
error(COMMAND, "not a local object"); |
303 |
+ |
return; |
304 |
+ |
} |
305 |
+ |
dist = thisray.rot; |
306 |
+ |
} else if (dist <= .0) { |
307 |
+ |
error(COMMAND, "focus distance must be positive"); |
308 |
+ |
return; |
309 |
+ |
} |
310 |
+ |
ourview.vdist = dist; |
311 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
312 |
+ |
(*dev->comout)(buf); |
313 |
+ |
} |
314 |
+ |
|
315 |
+ |
|
316 |
+ |
void |
317 |
+ |
getmove( /* move camera */ |
318 |
+ |
char *s |
319 |
+ |
) |
320 |
+ |
{ |
321 |
|
FVECT vc; |
322 |
|
double mag; |
323 |
|
|
328 |
|
|
329 |
|
|
330 |
|
void |
331 |
< |
getrotate(s) /* rotate camera */ |
332 |
< |
char *s; |
331 |
> |
getrotate( /* rotate camera */ |
332 |
> |
char *s |
333 |
> |
) |
334 |
|
{ |
335 |
< |
VIEW nv; |
315 |
< |
FVECT v1; |
335 |
> |
VIEW nv = ourview; |
336 |
|
double angle, elev, zfact; |
337 |
|
|
338 |
|
elev = 0.0; zfact = 1.0; |
340 |
|
error(COMMAND, "missing angle"); |
341 |
|
return; |
342 |
|
} |
323 |
– |
nv.type = ourview.type; |
324 |
– |
VCOPY(nv.vp, ourview.vp); |
325 |
– |
VCOPY(nv.vup, ourview.vup); |
326 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
327 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
343 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
344 |
< |
if (elev != 0.0) { |
345 |
< |
fcross(v1, nv.vdir, ourview.vup); |
346 |
< |
normalize(v1); |
332 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
333 |
< |
} |
334 |
< |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
344 |
> |
if (elev != 0.0) |
345 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(PI/180.), GEOD_RAD); |
346 |
> |
|
347 |
|
zoomview(&nv, zfact); |
348 |
|
newview(&nv); |
349 |
|
} |
350 |
|
|
351 |
|
|
352 |
|
void |
353 |
< |
getpivot(s) /* pivot viewpoint */ |
354 |
< |
register char *s; |
353 |
> |
getpivot( /* pivot viewpoint */ |
354 |
> |
char *s |
355 |
> |
) |
356 |
|
{ |
357 |
|
FVECT vc; |
358 |
|
double angle, elev, mag; |
369 |
|
|
370 |
|
|
371 |
|
void |
372 |
< |
getexposure(s) /* get new exposure */ |
373 |
< |
char *s; |
372 |
> |
getorigin( /* origin viewpoint */ |
373 |
> |
char *s |
374 |
> |
) |
375 |
|
{ |
376 |
+ |
VIEW nv = ourview; |
377 |
+ |
double d; |
378 |
+ |
/* get new view origin */ |
379 |
+ |
if (sscanf(s, "%lf %lf", &d, &d) == 1) { |
380 |
+ |
/* just moving some distance */ |
381 |
+ |
VSUM(nv.vp, nv.vp, nv.vdir, d); |
382 |
+ |
} else if (!sscanvec(s, nv.vp)) { |
383 |
+ |
int x, y; /* need to pick origin */ |
384 |
+ |
RAY thisray; |
385 |
+ |
if (dev->getcur == NULL) |
386 |
+ |
return; |
387 |
+ |
(*dev->comout)("Pick point on surface for new origin\n"); |
388 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
389 |
+ |
return; |
390 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
391 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
392 |
+ |
error(COMMAND, "not on image"); |
393 |
+ |
return; |
394 |
+ |
} |
395 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
396 |
+ |
if (!localhit(&thisray, &thescene)) { |
397 |
+ |
error(COMMAND, "not a local object"); |
398 |
+ |
return; |
399 |
+ |
} |
400 |
+ |
if (thisray.rod < 0.0) /* don't look through other side */ |
401 |
+ |
flipsurface(&thisray); |
402 |
+ |
VSUM(nv.vp, thisray.rop, thisray.ron, 20.0*FTINY); |
403 |
+ |
VCOPY(nv.vdir, thisray.ron); |
404 |
+ |
} else if (!sscanvec(sskip2(s,3), nv.vdir) || normalize(nv.vdir) == 0.0) |
405 |
+ |
VCOPY(nv.vdir, ourview.vdir); |
406 |
+ |
|
407 |
+ |
d = DOT(nv.vdir, nv.vup); /* need different up vector? */ |
408 |
+ |
if (d*d >= 1.-2.*FTINY) { |
409 |
+ |
int i; |
410 |
+ |
nv.vup[0] = nv.vup[1] = nv.vup[2] = 0.0; |
411 |
+ |
for (i = 3; i--; ) |
412 |
+ |
if (nv.vdir[i]*nv.vdir[i] < 0.34) |
413 |
+ |
break; |
414 |
+ |
nv.vup[i] = 1.; |
415 |
+ |
} |
416 |
+ |
newview(&nv); |
417 |
+ |
} |
418 |
+ |
|
419 |
+ |
|
420 |
+ |
void |
421 |
+ |
getexposure( /* get new exposure */ |
422 |
+ |
char *s |
423 |
+ |
) |
424 |
+ |
{ |
425 |
|
char buf[128]; |
426 |
< |
register char *cp; |
364 |
< |
RECT r; |
426 |
> |
char *cp; |
427 |
|
int x, y; |
428 |
< |
register PNODE *p = &ptrunk; |
428 |
> |
PNODE *p = &ptrunk; |
429 |
|
int adapt = 0; |
430 |
|
double e = 1.0; |
431 |
|
|
442 |
|
(*dev->comout)("Pick point for exposure\n"); |
443 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
444 |
|
return; |
445 |
< |
r.l = r.d = 0; |
384 |
< |
r.r = hresolu; r.u = vresolu; |
385 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
445 |
> |
p = findrect(x, y, &ptrunk, -1); |
446 |
|
} else { |
447 |
|
if (*cp == '=') { /* absolute setting */ |
448 |
|
p = NULL; |
465 |
|
e *= atof(cp); |
466 |
|
} |
467 |
|
if (p != NULL) { /* relative setting */ |
468 |
+ |
compavg(p); |
469 |
|
if (bright(p->v) < 1e-15) { |
470 |
|
error(COMMAND, "cannot normalize to zero"); |
471 |
|
return; |
485 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
486 |
|
|
487 |
|
int |
488 |
< |
getparam(str, dsc, typ, p) /* get variable from user */ |
489 |
< |
char *str, *dsc; |
490 |
< |
int typ; |
491 |
< |
void *p; |
488 |
> |
getparam( /* get variable from user */ |
489 |
> |
char *str, |
490 |
> |
char *dsc, |
491 |
> |
int typ, |
492 |
> |
void *p |
493 |
> |
) |
494 |
|
{ |
495 |
< |
register MyUptr ptr = (MyUptr)p; |
495 |
> |
MyUptr ptr = (MyUptr)p; |
496 |
|
int i0; |
497 |
|
double d0, d1, d2; |
498 |
|
char buf[48]; |
507 |
|
if (sscanf(buf, "%d", &i0) != 1) |
508 |
|
return(0); |
509 |
|
} |
510 |
+ |
if (ptr->i == i0) |
511 |
+ |
return(0); |
512 |
|
ptr->i = i0; |
513 |
< |
return(1); |
513 |
> |
break; |
514 |
|
case 'r': /* real */ |
515 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
516 |
|
(*dev->comout)(dsc); |
520 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
521 |
|
return(0); |
522 |
|
} |
523 |
+ |
if (FABSEQ(ptr->d, d0)) |
524 |
+ |
return(0); |
525 |
|
ptr->d = d0; |
526 |
< |
return(1); |
526 |
> |
break; |
527 |
|
case 'b': /* boolean */ |
528 |
|
if (sscanf(str, "%1s", buf) != 1) { |
529 |
|
(*dev->comout)(dsc); |
530 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
531 |
|
(*dev->comout)(buf); |
532 |
|
(*dev->comin)(buf, NULL); |
533 |
< |
if (buf[0] == '\0' || |
467 |
< |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
533 |
> |
if (buf[0] == '\0') |
534 |
|
return(0); |
535 |
|
} |
536 |
< |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
537 |
< |
return(1); |
536 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
537 |
> |
return(0); |
538 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
539 |
> |
if (ptr->i == i0) |
540 |
> |
return(0); |
541 |
> |
ptr->i = i0; |
542 |
> |
break; |
543 |
|
case 'C': /* color */ |
544 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
545 |
|
(*dev->comout)(dsc); |
552 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
553 |
|
return(0); |
554 |
|
} |
555 |
+ |
if (FABSEQ(colval(ptr->C,RED), d0) && |
556 |
+ |
FABSEQ(colval(ptr->C,GRN), d1) && |
557 |
+ |
FABSEQ(colval(ptr->C,BLU), d2)) |
558 |
+ |
return(0); |
559 |
|
setcolor(ptr->C, d0, d1, d2); |
560 |
< |
return(1); |
560 |
> |
break; |
561 |
> |
default: |
562 |
> |
return(0); /* shouldn't happen */ |
563 |
|
} |
564 |
+ |
newparam++; |
565 |
+ |
return(1); |
566 |
|
} |
567 |
|
|
568 |
|
|
569 |
|
void |
570 |
< |
setparam(s) /* get/set program parameter */ |
571 |
< |
register char *s; |
570 |
> |
setparam( /* get/set program parameter */ |
571 |
> |
char *s |
572 |
> |
) |
573 |
|
{ |
574 |
+ |
int prev_newp = newparam; |
575 |
|
char buf[128]; |
576 |
|
|
577 |
|
if (s[0] == '\0') { |
578 |
|
(*dev->comout)( |
579 |
< |
"aa ab ad ar as av aw b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: "); |
579 |
> |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt ss st u: "); |
580 |
|
(*dev->comin)(buf, NULL); |
581 |
|
s = buf; |
582 |
|
} |
583 |
|
switch (s[0]) { |
584 |
+ |
case 'u': /* uncorrelated sampling */ |
585 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
586 |
+ |
(void *)&rand_samp); |
587 |
+ |
break; |
588 |
|
case 'l': /* limit */ |
589 |
|
switch (s[1]) { |
590 |
|
case 'w': /* weight */ |
637 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
638 |
|
getparam(s+1, "black and white", 'b', |
639 |
|
(void *)&greyscale); |
640 |
+ |
newparam = prev_newp; |
641 |
|
break; |
642 |
|
default: |
643 |
|
goto badparam; |
720 |
|
default: |
721 |
|
goto badparam; |
722 |
|
} |
723 |
+ |
newparam = prev_newp; |
724 |
|
break; |
725 |
|
case 's': /* specular */ |
726 |
|
switch (s[1]) { |
727 |
< |
case 'j': /* jitter */ |
728 |
< |
getparam(s+2, "specular jitter", 'r', |
727 |
> |
case 's': /* sampling */ |
728 |
> |
getparam(s+2, "specular sampling", 'r', |
729 |
|
(void *)&specjitter); |
730 |
|
break; |
731 |
|
case 't': /* threshold */ |
749 |
|
|
750 |
|
|
751 |
|
void |
752 |
< |
traceray(s) /* trace a single ray */ |
753 |
< |
char *s; |
752 |
> |
traceray( /* trace a single ray */ |
753 |
> |
char *s |
754 |
> |
) |
755 |
|
{ |
756 |
< |
char buf[128]; |
757 |
< |
int x, y; |
758 |
< |
OBJREC *ino; |
671 |
< |
RAY thisray; |
756 |
> |
RAY thisray; |
757 |
> |
char buf[512]; |
758 |
> |
COLOR col; |
759 |
|
|
760 |
|
thisray.rmax = 0.0; |
761 |
|
|
762 |
|
if (!sscanvec(s, thisray.rorg) || |
763 |
|
!sscanvec(sskip2(s,3), thisray.rdir)) { |
764 |
+ |
int x, y; |
765 |
|
|
766 |
|
if (dev->getcur == NULL) |
767 |
|
return; |
780 |
|
return; |
781 |
|
} |
782 |
|
|
783 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
696 |
< |
|
697 |
< |
rayvalue(&thisray); |
783 |
> |
ray_trace(&thisray); |
784 |
|
|
785 |
|
if (thisray.ro == NULL) |
786 |
|
(*dev->comout)("ray hit nothing"); |
787 |
|
else { |
788 |
< |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
789 |
< |
thisray.rod < 0.0 ? "back of " : "", |
790 |
< |
thisray.ro->omod == OVOID ? VOIDID : |
791 |
< |
objptr(thisray.ro->omod)->oname, |
788 |
> |
OBJREC *mat = NULL; |
789 |
> |
OBJREC *mod = NULL; |
790 |
> |
char matspec[256]; |
791 |
> |
OBJREC *ino; |
792 |
> |
|
793 |
> |
matspec[0] = '\0'; |
794 |
> |
if (thisray.ro->omod != OVOID) { |
795 |
> |
mod = objptr(thisray.ro->omod); |
796 |
> |
mat = findmaterial(thisray.ro); |
797 |
> |
} |
798 |
> |
if (thisray.rod < 0.0) |
799 |
> |
strcpy(matspec, "back of "); |
800 |
> |
if (mod != NULL) { |
801 |
> |
strcat(matspec, mod->oname); |
802 |
> |
if (mat != mod && mat != NULL) |
803 |
> |
sprintf(matspec+strlen(matspec), |
804 |
> |
" (%s)", mat->oname); |
805 |
> |
} else |
806 |
> |
strcat(matspec, VOIDID); |
807 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
808 |
|
ofun[thisray.ro->otype].funame, |
809 |
|
thisray.ro->oname); |
810 |
|
if ((ino = objptr(thisray.robj)) != thisray.ro) |
812 |
|
ofun[ino->otype].funame, ino->oname); |
813 |
|
(*dev->comout)(buf); |
814 |
|
(*dev->comin)(buf, NULL); |
815 |
< |
if (thisray.rot >= FHUGE) |
815 |
> |
if (thisray.rot >= FHUGE*.99) |
816 |
|
(*dev->comout)("at infinity"); |
817 |
|
else { |
818 |
|
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
819 |
|
thisray.rop[0], thisray.rop[1], |
820 |
< |
thisray.rop[2], thisray.rt); |
820 |
> |
thisray.rop[2], raydistance(&thisray)); |
821 |
|
(*dev->comout)(buf); |
822 |
|
} |
823 |
|
(*dev->comin)(buf, NULL); |
824 |
+ |
scolor_rgb(col, thisray.rcol); |
825 |
|
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
826 |
< |
colval(thisray.rcol,RED), |
827 |
< |
colval(thisray.rcol,GRN), |
828 |
< |
colval(thisray.rcol,BLU), |
829 |
< |
luminance(thisray.rcol)); |
826 |
> |
colval(col,RED), |
827 |
> |
colval(col,GRN), |
828 |
> |
colval(col,BLU), |
829 |
> |
luminance(col)); |
830 |
|
(*dev->comout)(buf); |
831 |
|
} |
832 |
|
(*dev->comin)(buf, NULL); |
834 |
|
|
835 |
|
|
836 |
|
void |
837 |
< |
writepict(s) /* write the picture to a file */ |
838 |
< |
char *s; |
837 |
> |
writepict( /* write the picture to a file */ |
838 |
> |
char *s |
839 |
> |
) |
840 |
|
{ |
841 |
|
static char buf[128]; |
842 |
|
char *fname; |
843 |
|
FILE *fp; |
844 |
|
COLR *scanline; |
845 |
|
int y; |
846 |
< |
|
847 |
< |
while (isspace(*s)) |
744 |
< |
s++; |
745 |
< |
if (*s) |
746 |
< |
atos(buf, sizeof(buf), s); |
747 |
< |
else if (buf[0] == '\0') { |
846 |
> |
/* XXX relies on words.c 2.11 behavior */ |
847 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
848 |
|
error(COMMAND, "no file"); |
849 |
|
return; |
850 |
|
} |
872 |
|
fputexpos(exposure, fp); |
873 |
|
if (dev->pixaspect != 1.0) |
874 |
|
fputaspect(dev->pixaspect, fp); |
875 |
+ |
fputprims(stdprims, fp); |
876 |
|
fputformat(COLRFMT, fp); |
877 |
|
putc('\n', fp); |
878 |
|
fprtresolu(hresolu, vresolu, fp); |