1 |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
|
3 |
#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
5 |
#endif |
6 |
|
7 |
/* |
8 |
* pvalue.c - program to print pixel values. |
9 |
* |
10 |
* 4/23/86 |
11 |
*/ |
12 |
|
13 |
#include "standard.h" |
14 |
|
15 |
#include "color.h" |
16 |
|
17 |
#include "resolu.h" |
18 |
|
19 |
#define min(a,b) ((a)<(b)?(a):(b)) |
20 |
|
21 |
RESOLU picres; /* resolution of picture */ |
22 |
|
23 |
int uniq = 0; /* print only unique values? */ |
24 |
|
25 |
int original = 0; /* convert back to original values? */ |
26 |
|
27 |
int dataonly = 0; /* data only format? */ |
28 |
|
29 |
int brightonly = 0; /* only brightness values? */ |
30 |
|
31 |
int reverse = 0; /* reverse conversion? */ |
32 |
|
33 |
int format = 'a'; /* input/output format */ |
34 |
char *fmtid = "ascii"; /* format identifier for header */ |
35 |
|
36 |
int header = 1; /* do header */ |
37 |
|
38 |
int wrongformat = 0; /* wrong input format? */ |
39 |
|
40 |
double gamcor = 1.0; /* gamma correction */ |
41 |
|
42 |
COLOR exposure = WHTCOLOR; |
43 |
|
44 |
char *progname; |
45 |
|
46 |
FILE *fin; |
47 |
|
48 |
int (*getval)(), (*putval)(); |
49 |
|
50 |
|
51 |
main(argc, argv) |
52 |
int argc; |
53 |
char **argv; |
54 |
{ |
55 |
extern int checkhead(); |
56 |
int i; |
57 |
|
58 |
progname = argv[0]; |
59 |
|
60 |
for (i = 1; i < argc; i++) |
61 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
62 |
switch (argv[i][1]) { |
63 |
case 'h': /* header */ |
64 |
header = argv[i][0] == '+'; |
65 |
break; |
66 |
case 'u': /* unique values */ |
67 |
uniq = argv[i][0] == '-'; |
68 |
break; |
69 |
case 'o': /* original values */ |
70 |
original = argv[i][0] == '-'; |
71 |
break; |
72 |
case 'g': /* gamma correction */ |
73 |
gamcor = atof(argv[++i]); |
74 |
if (argv[i][0] == '+') |
75 |
gamcor = 1.0/gamcor; |
76 |
break; |
77 |
case 'r': /* reverse conversion */ |
78 |
reverse = argv[i][0] == '-'; |
79 |
break; |
80 |
case 'b': /* brightness values */ |
81 |
brightonly = argv[i][0] == '-'; |
82 |
break; |
83 |
case 'd': /* data only (no indices) */ |
84 |
dataonly = argv[i][0] == '-'; |
85 |
switch (argv[i][2]) { |
86 |
case '\0': |
87 |
case 'a': /* ascii */ |
88 |
format = 'a'; |
89 |
fmtid = "ascii"; |
90 |
break; |
91 |
case 'i': /* integer */ |
92 |
format = 'i'; |
93 |
fmtid = "ascii"; |
94 |
break; |
95 |
case 'b': /* byte */ |
96 |
dataonly = 1; |
97 |
format = 'b'; |
98 |
fmtid = "byte"; |
99 |
break; |
100 |
case 'f': /* float */ |
101 |
dataonly = 1; |
102 |
format = 'f'; |
103 |
fmtid = "float"; |
104 |
break; |
105 |
case 'd': /* double */ |
106 |
dataonly = 1; |
107 |
format = 'd'; |
108 |
fmtid = "double"; |
109 |
break; |
110 |
default: |
111 |
goto unkopt; |
112 |
} |
113 |
break; |
114 |
case 'x': /* x resolution */ |
115 |
if (argv[i][0] == '-') |
116 |
picres.or |= XDECR; |
117 |
picres.xr = atoi(argv[++i]); |
118 |
break; |
119 |
case 'y': /* y resolution */ |
120 |
if (argv[i][0] == '-') |
121 |
picres.or |= YDECR; |
122 |
if (picres.xr == 0) |
123 |
picres.or |= YMAJOR; |
124 |
picres.yr = atoi(argv[++i]); |
125 |
break; |
126 |
default: |
127 |
unkopt: |
128 |
fprintf(stderr, "%s: unknown option: %s\n", |
129 |
progname, argv[i]); |
130 |
quit(1); |
131 |
break; |
132 |
} |
133 |
else |
134 |
break; |
135 |
/* recognize special formats */ |
136 |
if (dataonly && format == 'b') |
137 |
if (brightonly) |
138 |
fmtid = "8-bit_grey"; |
139 |
else |
140 |
fmtid = "24-bit_rgb"; |
141 |
|
142 |
if (i == argc) { |
143 |
fin = stdin; |
144 |
} else if (i == argc-1) { |
145 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
146 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
147 |
progname, argv[i]); |
148 |
quit(1); |
149 |
} |
150 |
} else { |
151 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
152 |
quit(1); |
153 |
} |
154 |
|
155 |
set_io(); |
156 |
|
157 |
if (reverse) { |
158 |
/* get header */ |
159 |
if (header && checkheader(fin, fmtid, stdout) < 0) { |
160 |
fprintf(stderr, "%s: wrong input format\n", progname); |
161 |
quit(1); |
162 |
} |
163 |
if (picres.xr <= 0 || picres.yr <= 0) /* get resolution */ |
164 |
if (!fgetsresolu(&picres, fin)) { |
165 |
fprintf(stderr, "%s: missing resolution\n", |
166 |
progname); |
167 |
quit(1); |
168 |
} |
169 |
/* add to header */ |
170 |
printargs(i, argv, stdout); |
171 |
fputformat(COLRFMT, stdout); |
172 |
putchar('\n'); |
173 |
fputsresolu(&picres, stdout); |
174 |
valtopix(); |
175 |
} else { |
176 |
/* get header */ |
177 |
getheader(fin, checkhead, NULL); |
178 |
if (wrongformat) { |
179 |
fprintf(stderr, "%s: input not a Radiance picture\n", |
180 |
progname); |
181 |
quit(1); |
182 |
} |
183 |
|
184 |
if (picres.xr <= 0 || picres.yr <= 0) /* get picture size */ |
185 |
if (!fgetsresolu(&picres, fin)) { |
186 |
fprintf(stderr, "%s: missing resolution\n", |
187 |
progname); |
188 |
quit(1); |
189 |
} |
190 |
if (header) { |
191 |
printargs(i, argv, stdout); |
192 |
fputformat(fmtid, stdout); |
193 |
putchar('\n'); |
194 |
} |
195 |
pixtoval(); |
196 |
} |
197 |
|
198 |
quit(0); |
199 |
} |
200 |
|
201 |
|
202 |
checkhead(line) /* deal with line from header */ |
203 |
char *line; |
204 |
{ |
205 |
char fmt[32]; |
206 |
double d; |
207 |
COLOR ctmp; |
208 |
|
209 |
if (isformat(line)) { |
210 |
formatval(fmt, line); |
211 |
wrongformat = strcmp(fmt, COLRFMT); |
212 |
} else if (original && isexpos(line)) { |
213 |
d = 1.0/exposval(line); |
214 |
scalecolor(exposure, d); |
215 |
} else if (original && iscolcor(line)) { |
216 |
colcorval(ctmp, line); |
217 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
218 |
colval(exposure,GRN)/colval(ctmp,GRN), |
219 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
220 |
} else if (header) |
221 |
fputs(line, stdout); |
222 |
} |
223 |
|
224 |
|
225 |
pixtoval() /* convert picture to values */ |
226 |
{ |
227 |
register COLOR *scanln; |
228 |
int dogamma; |
229 |
COLOR lastc; |
230 |
FLOAT hv[2]; |
231 |
int y; |
232 |
register int x; |
233 |
|
234 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
235 |
if (scanln == NULL) { |
236 |
fprintf(stderr, "%s: out of memory\n", progname); |
237 |
quit(1); |
238 |
} |
239 |
dogamma = gamcor < .95 || gamcor > 1.05; |
240 |
setcolor(lastc, 0.0, 0.0, 0.0); |
241 |
for (y = 0; y < numscans(&picres); y++) { |
242 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
243 |
fprintf(stderr, "%s: read error\n", progname); |
244 |
quit(1); |
245 |
} |
246 |
for (x = 0; x < scanlen(&picres); x++) { |
247 |
if (uniq) |
248 |
if ( colval(scanln[x],RED) == |
249 |
colval(lastc,RED) && |
250 |
colval(scanln[x],GRN) == |
251 |
colval(lastc,GRN) && |
252 |
colval(scanln[x],BLU) == |
253 |
colval(lastc,BLU) ) |
254 |
continue; |
255 |
else |
256 |
copycolor(lastc, scanln[x]); |
257 |
if (original) |
258 |
multcolor(scanln[x], exposure); |
259 |
if (dogamma) |
260 |
setcolor(scanln[x], |
261 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
262 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
263 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
264 |
if (!dataonly) { |
265 |
pix2loc(hv, &picres, x, y); |
266 |
printf("%7d %7d ", (int)(hv[0]*picres.xr), |
267 |
(int)(hv[1]*picres.yr)); |
268 |
} |
269 |
if ((*putval)(scanln[x], stdout) < 0) { |
270 |
fprintf(stderr, "%s: write error\n", progname); |
271 |
quit(1); |
272 |
} |
273 |
} |
274 |
} |
275 |
free((char *)scanln); |
276 |
} |
277 |
|
278 |
|
279 |
valtopix() /* convert values to a pixel file */ |
280 |
{ |
281 |
int dogamma; |
282 |
register COLOR *scanln; |
283 |
int y; |
284 |
register int x; |
285 |
|
286 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
287 |
if (scanln == NULL) { |
288 |
fprintf(stderr, "%s: out of memory\n", progname); |
289 |
quit(1); |
290 |
} |
291 |
dogamma = gamcor < .95 || gamcor > 1.05; |
292 |
for (y = 0; y < numscans(&picres); y++) { |
293 |
for (x = 0; x < scanlen(&picres); x++) { |
294 |
if (!dataonly) |
295 |
fscanf(fin, "%*d %*d"); |
296 |
if ((*getval)(scanln[x], fin) < 0) { |
297 |
fprintf(stderr, "%s: read error\n", progname); |
298 |
quit(1); |
299 |
} |
300 |
if (dogamma) |
301 |
setcolor(scanln[x], |
302 |
pow(colval(scanln[x],RED), gamcor), |
303 |
pow(colval(scanln[x],GRN), gamcor), |
304 |
pow(colval(scanln[x],BLU), gamcor)); |
305 |
} |
306 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
307 |
fprintf(stderr, "%s: write error\n", progname); |
308 |
quit(1); |
309 |
} |
310 |
} |
311 |
free((char *)scanln); |
312 |
} |
313 |
|
314 |
|
315 |
quit(code) |
316 |
int code; |
317 |
{ |
318 |
exit(code); |
319 |
} |
320 |
|
321 |
|
322 |
getcascii(col, fp) /* get an ascii color value from fp */ |
323 |
COLOR col; |
324 |
FILE *fp; |
325 |
{ |
326 |
double vd[3]; |
327 |
|
328 |
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
329 |
return(-1); |
330 |
setcolor(col, vd[0], vd[1], vd[2]); |
331 |
return(0); |
332 |
} |
333 |
|
334 |
|
335 |
getcdouble(col, fp) /* get a double color value from fp */ |
336 |
COLOR col; |
337 |
FILE *fp; |
338 |
{ |
339 |
double vd[3]; |
340 |
|
341 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
342 |
return(-1); |
343 |
setcolor(col, vd[0], vd[1], vd[2]); |
344 |
return(0); |
345 |
} |
346 |
|
347 |
|
348 |
getcfloat(col, fp) /* get a float color value from fp */ |
349 |
COLOR col; |
350 |
FILE *fp; |
351 |
{ |
352 |
float vf[3]; |
353 |
|
354 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
355 |
return(-1); |
356 |
setcolor(col, vf[0], vf[1], vf[2]); |
357 |
return(0); |
358 |
} |
359 |
|
360 |
|
361 |
getcint(col, fp) /* get an int color value from fp */ |
362 |
COLOR col; |
363 |
FILE *fp; |
364 |
{ |
365 |
int vi[3]; |
366 |
|
367 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
368 |
return(-1); |
369 |
setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
370 |
return(0); |
371 |
} |
372 |
|
373 |
|
374 |
getcbyte(col, fp) /* get a byte color value from fp */ |
375 |
COLOR col; |
376 |
FILE *fp; |
377 |
{ |
378 |
BYTE vb[3]; |
379 |
|
380 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
381 |
return(-1); |
382 |
setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
383 |
return(0); |
384 |
} |
385 |
|
386 |
|
387 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
388 |
COLOR col; |
389 |
FILE *fp; |
390 |
{ |
391 |
double vd; |
392 |
|
393 |
if (fscanf(fp, "%lf", &vd) != 1) |
394 |
return(-1); |
395 |
setcolor(col, vd, vd, vd); |
396 |
return(0); |
397 |
} |
398 |
|
399 |
|
400 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
401 |
COLOR col; |
402 |
FILE *fp; |
403 |
{ |
404 |
double vd; |
405 |
|
406 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
407 |
return(-1); |
408 |
setcolor(col, vd, vd, vd); |
409 |
return(0); |
410 |
} |
411 |
|
412 |
|
413 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
414 |
COLOR col; |
415 |
FILE *fp; |
416 |
{ |
417 |
float vf; |
418 |
|
419 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
420 |
return(-1); |
421 |
setcolor(col, vf, vf, vf); |
422 |
return(0); |
423 |
} |
424 |
|
425 |
|
426 |
getbint(col, fp) /* get an int brightness value from fp */ |
427 |
COLOR col; |
428 |
FILE *fp; |
429 |
{ |
430 |
int vi; |
431 |
double d; |
432 |
|
433 |
if (fscanf(fp, "%d", &vi) != 1) |
434 |
return(-1); |
435 |
d = (vi+.5)/256.; |
436 |
setcolor(col, d, d, d); |
437 |
return(0); |
438 |
} |
439 |
|
440 |
|
441 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
442 |
COLOR col; |
443 |
FILE *fp; |
444 |
{ |
445 |
BYTE vb; |
446 |
double d; |
447 |
|
448 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
449 |
return(-1); |
450 |
d = (vb+.5)/256.; |
451 |
setcolor(col, d, d, d); |
452 |
return(0); |
453 |
} |
454 |
|
455 |
|
456 |
putcascii(col, fp) /* put an ascii color to fp */ |
457 |
COLOR col; |
458 |
FILE *fp; |
459 |
{ |
460 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
461 |
colval(col,RED), |
462 |
colval(col,GRN), |
463 |
colval(col,BLU)); |
464 |
|
465 |
return(ferror(fp) ? -1 : 0); |
466 |
} |
467 |
|
468 |
|
469 |
putcfloat(col, fp) /* put a float color to fp */ |
470 |
COLOR col; |
471 |
FILE *fp; |
472 |
{ |
473 |
float vf[3]; |
474 |
|
475 |
vf[0] = colval(col,RED); |
476 |
vf[1] = colval(col,GRN); |
477 |
vf[2] = colval(col,BLU); |
478 |
fwrite((char *)vf, sizeof(float), 3, fp); |
479 |
|
480 |
return(ferror(fp) ? -1 : 0); |
481 |
} |
482 |
|
483 |
|
484 |
putcdouble(col, fp) /* put a double color to fp */ |
485 |
COLOR col; |
486 |
FILE *fp; |
487 |
{ |
488 |
double vd[3]; |
489 |
|
490 |
vd[0] = colval(col,RED); |
491 |
vd[1] = colval(col,GRN); |
492 |
vd[2] = colval(col,BLU); |
493 |
fwrite((char *)vd, sizeof(double), 3, fp); |
494 |
|
495 |
return(ferror(fp) ? -1 : 0); |
496 |
} |
497 |
|
498 |
|
499 |
putcint(col, fp) /* put an int color to fp */ |
500 |
COLOR col; |
501 |
FILE *fp; |
502 |
{ |
503 |
fprintf(fp, "%d %d %d\n", |
504 |
(int)(colval(col,RED)*256.), |
505 |
(int)(colval(col,GRN)*256.), |
506 |
(int)(colval(col,BLU)*256.)); |
507 |
|
508 |
return(ferror(fp) ? -1 : 0); |
509 |
} |
510 |
|
511 |
|
512 |
putcbyte(col, fp) /* put a byte color to fp */ |
513 |
COLOR col; |
514 |
FILE *fp; |
515 |
{ |
516 |
register int i; |
517 |
BYTE vb[3]; |
518 |
|
519 |
i = colval(col,RED)*256.; |
520 |
vb[0] = min(i,255); |
521 |
i = colval(col,GRN)*256.; |
522 |
vb[1] = min(i,255); |
523 |
i = colval(col,BLU)*256.; |
524 |
vb[2] = min(i,255); |
525 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
526 |
|
527 |
return(ferror(fp) ? -1 : 0); |
528 |
} |
529 |
|
530 |
|
531 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
532 |
COLOR col; |
533 |
FILE *fp; |
534 |
{ |
535 |
fprintf(fp, "%15.3e\n", bright(col)); |
536 |
|
537 |
return(ferror(fp) ? -1 : 0); |
538 |
} |
539 |
|
540 |
|
541 |
putbfloat(col, fp) /* put a float brightness to fp */ |
542 |
COLOR col; |
543 |
FILE *fp; |
544 |
{ |
545 |
float vf; |
546 |
|
547 |
vf = bright(col); |
548 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
549 |
|
550 |
return(ferror(fp) ? -1 : 0); |
551 |
} |
552 |
|
553 |
|
554 |
putbdouble(col, fp) /* put a double brightness to fp */ |
555 |
COLOR col; |
556 |
FILE *fp; |
557 |
{ |
558 |
double vd; |
559 |
|
560 |
vd = bright(col); |
561 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
562 |
|
563 |
return(ferror(fp) ? -1 : 0); |
564 |
} |
565 |
|
566 |
|
567 |
putbint(col, fp) /* put an int brightness to fp */ |
568 |
COLOR col; |
569 |
FILE *fp; |
570 |
{ |
571 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
572 |
|
573 |
return(ferror(fp) ? -1 : 0); |
574 |
} |
575 |
|
576 |
|
577 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
578 |
COLOR col; |
579 |
FILE *fp; |
580 |
{ |
581 |
register int i; |
582 |
BYTE vb; |
583 |
|
584 |
i = bright(col)*256.; |
585 |
vb = min(i,255); |
586 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
587 |
|
588 |
return(ferror(fp) ? -1 : 0); |
589 |
} |
590 |
|
591 |
|
592 |
set_io() /* set put and get functions */ |
593 |
{ |
594 |
switch (format) { |
595 |
case 'a': /* ascii */ |
596 |
if (brightonly) { |
597 |
getval = getbascii; |
598 |
putval = putbascii; |
599 |
} else { |
600 |
getval = getcascii; |
601 |
putval = putcascii; |
602 |
} |
603 |
return; |
604 |
case 'f': /* binary float */ |
605 |
if (brightonly) { |
606 |
getval = getbfloat; |
607 |
putval = putbfloat; |
608 |
} else { |
609 |
getval = getcfloat; |
610 |
putval = putcfloat; |
611 |
} |
612 |
return; |
613 |
case 'd': /* binary double */ |
614 |
if (brightonly) { |
615 |
getval = getbdouble; |
616 |
putval = putbdouble; |
617 |
} else { |
618 |
getval = getcdouble; |
619 |
putval = putcdouble; |
620 |
} |
621 |
return; |
622 |
case 'i': /* integer */ |
623 |
if (brightonly) { |
624 |
getval = getbint; |
625 |
putval = putbint; |
626 |
} else { |
627 |
getval = getcint; |
628 |
putval = putcint; |
629 |
} |
630 |
return; |
631 |
case 'b': /* byte */ |
632 |
if (brightonly) { |
633 |
getval = getbbyte; |
634 |
putval = putbbyte; |
635 |
} else { |
636 |
getval = getcbyte; |
637 |
putval = putcbyte; |
638 |
} |
639 |
return; |
640 |
} |
641 |
} |