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/* Copyright (c) 1987 Regents of the University of California */ |
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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
301 |
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} |
302 |
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|
303 |
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304 |
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getparam(str, dsc, typ, ptr) /* get variable from user */ |
305 |
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char *str, *dsc; |
306 |
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int typ; |
307 |
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register union {int i; double d; COLOR C;} *ptr; |
308 |
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{ |
309 |
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extern char *index(); |
310 |
+ |
int i0; |
311 |
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double d0, d1, d2; |
312 |
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char buf[48]; |
313 |
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|
314 |
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switch (typ) { |
315 |
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case 'i': /* integer */ |
316 |
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if (sscanf(str, "%d", &i0) != 1) { |
317 |
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(*dev->comout)(dsc); |
318 |
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sprintf(buf, " (%d): ", ptr->i); |
319 |
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(*dev->comout)(buf); |
320 |
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(*dev->comin)(buf, NULL); |
321 |
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if (sscanf(buf, "%d", &i0) != 1) |
322 |
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break; |
323 |
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} |
324 |
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ptr->i = i0; |
325 |
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break; |
326 |
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case 'r': /* real */ |
327 |
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if (sscanf(str, "%lf", &d0) != 1) { |
328 |
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(*dev->comout)(dsc); |
329 |
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sprintf(buf, " (%.6g): ", ptr->d); |
330 |
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(*dev->comout)(buf); |
331 |
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(*dev->comin)(buf, NULL); |
332 |
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if (sscanf(buf, "%lf", &d0) != 1) |
333 |
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break; |
334 |
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} |
335 |
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ptr->d = d0; |
336 |
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break; |
337 |
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case 'b': /* boolean */ |
338 |
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if (sscanf(str, "%1s", buf) != 1) { |
339 |
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(*dev->comout)(dsc); |
340 |
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sprintf(buf, " (%c): ", ptr->i ? 'y' : 'n'); |
341 |
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(*dev->comout)(buf); |
342 |
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(*dev->comin)(buf, NULL); |
343 |
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if (buf[0] == '\0' || |
344 |
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index("yY+1tTnN-0fF", buf[0]) == NULL) |
345 |
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break; |
346 |
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} |
347 |
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ptr->i = index("yY+1tT", buf[0]) != NULL; |
348 |
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break; |
349 |
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case 'C': /* color */ |
350 |
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if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
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(*dev->comout)(dsc); |
352 |
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sprintf(buf, " (%.6g %.6g %.6g): ", |
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colval(ptr->C,RED), |
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colval(ptr->C,GRN), |
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colval(ptr->C,BLU)); |
356 |
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(*dev->comout)(buf); |
357 |
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(*dev->comin)(buf, NULL); |
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if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
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break; |
360 |
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} |
361 |
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setcolor(ptr->C, d0, d1, d2); |
362 |
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break; |
363 |
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} |
364 |
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} |
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|
366 |
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|
367 |
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setparam(s) /* get/set program parameter */ |
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register char *s; |
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{ |
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extern int ambdiv; |
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extern int ambssamp; |
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extern int ambounce; |
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int i0; |
385 |
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double d0, d1, d2; |
384 |
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extern int directinvis; |
385 |
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extern int do_irrad; |
386 |
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char buf[128]; |
387 |
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|
388 |
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if (s[0] == '\0') { |
389 |
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(*dev->comout)("aa ab ad ar as av dc dj dt lr lw sp st: "); |
389 |
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(*dev->comout)( |
390 |
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"aa ab ad ar as av b dc di dj dt i lr lw sp st: "); |
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(*dev->comin)(buf, NULL); |
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s = buf; |
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} |
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case 'l': /* limit */ |
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switch (s[1]) { |
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case 'w': /* weight */ |
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if (sscanf(s+2, "%lf", &d0) != 1) { |
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sprintf(buf, "limit weight (%.6g): ", |
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minweight); |
337 |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
339 |
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if (sscanf(buf, "%lf", &d0) != 1) |
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break; |
341 |
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} |
342 |
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minweight = d0; |
398 |
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getparam(s+2, "limit weight", 'r', &minweight); |
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break; |
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case 'r': /* reflection */ |
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if (sscanf(s+2, "%d", &i0) != 1) { |
346 |
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sprintf(buf, "limit reflection (%d): ", |
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maxdepth); |
348 |
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(*dev->comout)(buf); |
349 |
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(*dev->comin)(buf, NULL); |
350 |
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if (sscanf(buf, "%d", &i0) != 1) |
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break; |
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} |
353 |
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maxdepth = i0; |
401 |
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getparam(s+2, "limit reflection", 'i', &maxdepth); |
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break; |
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default: |
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goto badparam; |
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case 'd': /* direct */ |
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switch (s[1]) { |
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case 'j': /* jitter */ |
410 |
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if (sscanf(s+2, "%lf", &d0) != 1) { |
363 |
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sprintf(buf, "direct jitter (%.6g): ", |
364 |
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dstrsrc); |
365 |
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(*dev->comout)(buf); |
366 |
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(*dev->comin)(buf, NULL); |
367 |
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if (sscanf(buf, "%lf", &d0) != 1) |
368 |
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break; |
369 |
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} |
370 |
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dstrsrc = d0; |
410 |
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getparam(s+2, "direct jitter", 'r', &dstrsrc); |
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break; |
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case 'c': /* certainty */ |
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if (sscanf(s+2, "%lf", &d0) != 1) { |
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sprintf(buf, "direct certainty (%.6g): ", |
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shadcert); |
376 |
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(*dev->comout)(buf); |
377 |
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(*dev->comin)(buf, NULL); |
378 |
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if (sscanf(buf, "%lf", &d0) != 1) |
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break; |
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} |
381 |
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shadcert = d0; |
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getparam(s+2, "direct certainty", 'r', &shadcert); |
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break; |
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case 't': /* threshold */ |
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if (sscanf(s+2, "%lf", &d0) != 1) { |
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sprintf(buf, "direct threshold (%.6g): ", |
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shadthresh); |
387 |
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(*dev->comout)(buf); |
388 |
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(*dev->comin)(buf, NULL); |
389 |
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if (sscanf(buf, "%lf", &d0) != 1) |
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break; |
391 |
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} |
392 |
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shadthresh = d0; |
416 |
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getparam(s+2, "direct threshold", 'r', &shadthresh); |
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break; |
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case 'i': /* invisibility */ |
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getparam(s+2, "direct invisibility", |
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'b', &directinvis); |
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break; |
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default: |
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goto badparam; |
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} |
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break; |
426 |
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case 'b': /* black and white */ |
427 |
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getparam(s+1, "black and white", 'b', &greyscale); |
428 |
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break; |
429 |
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case 'i': /* irradiance */ |
430 |
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getparam(s+1, "irradiance", 'b', &do_irrad); |
431 |
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break; |
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case 'a': /* ambient */ |
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switch (s[1]) { |
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case 'v': /* value */ |
435 |
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if (sscanf(s+2, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
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sprintf(buf, |
403 |
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"ambient value (%.6g %.6g %.6g): ", |
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colval(ambval,RED), |
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colval(ambval,GRN), |
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colval(ambval,BLU)); |
407 |
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(*dev->comout)(buf); |
408 |
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(*dev->comin)(buf, NULL); |
409 |
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if (sscanf(buf, "%lf %lf %lf", |
410 |
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&d0, &d1, &d2) != 3) |
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break; |
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} |
413 |
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setcolor(ambval, d0, d1, d2); |
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getparam(s+2, "ambient value", 'C', ambval); |
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break; |
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case 'a': /* accuracy */ |
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if (sscanf(s+2, "%lf", &d0) != 1) { |
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sprintf(buf, "ambient accuracy (%.6g): ", |
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ambacc); |
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(*dev->comout)(buf); |
420 |
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(*dev->comin)(buf, NULL); |
421 |
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if (sscanf(buf, "%lf", &d0) != 1) |
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break; |
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} |
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ambacc = d0; |
438 |
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getparam(s+2, "ambient accuracy", 'r', &ambacc); |
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break; |
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case 'd': /* divisions */ |
441 |
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if (sscanf(s+2, "%d", &i0) != 1) { |
428 |
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sprintf(buf, "ambient divisions (%d): ", |
429 |
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ambdiv); |
430 |
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(*dev->comout)(buf); |
431 |
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(*dev->comin)(buf, NULL); |
432 |
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if (sscanf(buf, "%d", &i0) != 1) |
433 |
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break; |
434 |
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} |
435 |
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ambdiv = i0; |
441 |
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getparam(s+2, "ambient divisions", 'i', &ambdiv); |
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break; |
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case 's': /* samples */ |
444 |
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if (sscanf(s+2, "%d", &i0) != 1) { |
439 |
< |
sprintf(buf, "ambient super-samples (%d): ", |
440 |
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ambssamp); |
441 |
< |
(*dev->comout)(buf); |
442 |
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(*dev->comin)(buf, NULL); |
443 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
444 |
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break; |
445 |
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} |
446 |
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ambssamp = i0; |
444 |
> |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
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break; |
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case 'b': /* bounces */ |
447 |
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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; |
447 |
> |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
448 |
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break; |
449 |
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case 'r': |
450 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
461 |
< |
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; |
450 |
> |
getparam(s+2, "ambient resolution", 'i', &ambres); |
451 |
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minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
452 |
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break; |
453 |
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default: |
457 |
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case 's': /* sample */ |
458 |
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switch (s[1]) { |
459 |
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case 'p': /* pixel */ |
460 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
479 |
< |
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; |
460 |
> |
getparam(s+2, "sample pixel", 'i', &psample); |
461 |
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pdepth = 0; |
462 |
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break; |
463 |
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case 't': /* threshold */ |
464 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
490 |
< |
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; |
464 |
> |
getparam(s+2, "sample threshold", 'r', &maxdiff); |
465 |
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pdepth = 0; |
466 |
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break; |
467 |
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default: |
472 |
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break; |
473 |
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default:; |
474 |
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badparam: |
475 |
+ |
*sskip(s) = '\0'; |
476 |
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sprintf(errmsg, "%s: unknown variable", s); |
477 |
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error(COMMAND, errmsg); |
478 |
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break; |
542 |
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writepict(s) /* write the picture to a file */ |
543 |
|
char *s; |
544 |
|
{ |
545 |
+ |
extern char VersionID[]; |
546 |
|
static char buf[128]; |
547 |
|
char *fname; |
548 |
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FILE *fp; |
566 |
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fputs(progname, fp); |
567 |
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fprintview(&ourview, fp); |
568 |
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putc('\n', fp); |
569 |
+ |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
570 |
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if (exposure != 1.0) |
571 |
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fputexpos(exposure, fp); |
572 |
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if (dev->pixaspect != 1.0) |
576 |
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fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
577 |
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|
578 |
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scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
579 |
< |
if (scanline == NULL) |
580 |
< |
error(SYSTEM, "out of memory in writepict"); |
579 |
> |
if (scanline == NULL) { |
580 |
> |
error(COMMAND, "not enough memory!"); |
581 |
> |
fclose(fp); |
582 |
> |
unlink(fname); |
583 |
> |
return; |
584 |
> |
} |
585 |
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for (y = vresolu-1; y >= 0; y--) { |
586 |
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getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
587 |
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if (fwritecolrs(scanline, hresolu, fp) < 0) |
588 |
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break; |
589 |
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} |
590 |
+ |
free((char *)scanline); |
591 |
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if (fclose(fp) < 0) |
592 |
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error(COMMAND, "write error"); |
618 |
– |
free((char *)scanline); |
593 |
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} |