1 |
/* Copyright (c) 1992 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 resolution = 1; /* put/get resolution string? */ |
39 |
|
40 |
int wrongformat = 0; /* wrong input format? */ |
41 |
|
42 |
double gamcor = 1.0; /* gamma correction */ |
43 |
|
44 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
45 |
int rord[4]; /* reverse ordering */ |
46 |
|
47 |
COLOR exposure = WHTCOLOR; |
48 |
|
49 |
char *progname; |
50 |
|
51 |
FILE *fin; |
52 |
|
53 |
int (*getval)(), (*putval)(); |
54 |
|
55 |
|
56 |
main(argc, argv) |
57 |
int argc; |
58 |
char **argv; |
59 |
{ |
60 |
extern int checkhead(); |
61 |
int i; |
62 |
|
63 |
progname = argv[0]; |
64 |
|
65 |
for (i = 1; i < argc; i++) |
66 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
67 |
switch (argv[i][1]) { |
68 |
case 'h': /* header */ |
69 |
header = argv[i][0] == '+'; |
70 |
break; |
71 |
case 'H': /* resolution string */ |
72 |
resolution = argv[i][0] == '+'; |
73 |
break; |
74 |
case 'u': /* unique values */ |
75 |
uniq = argv[i][0] == '-'; |
76 |
break; |
77 |
case 'o': /* original values */ |
78 |
original = argv[i][0] == '-'; |
79 |
break; |
80 |
case 'g': /* gamma correction */ |
81 |
gamcor = atof(argv[++i]); |
82 |
if (argv[i][0] == '+') |
83 |
gamcor = 1.0/gamcor; |
84 |
break; |
85 |
case 'R': /* reverse byte sequence */ |
86 |
if (argv[i][0] == '-') { |
87 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
88 |
} else { |
89 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
90 |
} |
91 |
break; |
92 |
case 'r': /* reverse conversion */ |
93 |
reverse = argv[i][0] == '-'; |
94 |
break; |
95 |
case 'b': /* brightness values */ |
96 |
brightonly = argv[i][0] == '-'; |
97 |
break; |
98 |
case 'd': /* data only (no indices) */ |
99 |
dataonly = argv[i][0] == '-'; |
100 |
switch (argv[i][2]) { |
101 |
case '\0': |
102 |
case 'a': /* ascii */ |
103 |
format = 'a'; |
104 |
fmtid = "ascii"; |
105 |
break; |
106 |
case 'i': /* integer */ |
107 |
format = 'i'; |
108 |
fmtid = "ascii"; |
109 |
break; |
110 |
case 'b': /* byte */ |
111 |
dataonly = 1; |
112 |
format = 'b'; |
113 |
fmtid = "byte"; |
114 |
break; |
115 |
case 'f': /* float */ |
116 |
dataonly = 1; |
117 |
format = 'f'; |
118 |
fmtid = "float"; |
119 |
break; |
120 |
case 'd': /* double */ |
121 |
dataonly = 1; |
122 |
format = 'd'; |
123 |
fmtid = "double"; |
124 |
break; |
125 |
default: |
126 |
goto unkopt; |
127 |
} |
128 |
break; |
129 |
case 'x': /* x resolution */ |
130 |
resolution = 0; |
131 |
if (argv[i][0] == '-') |
132 |
picres.or |= XDECR; |
133 |
picres.xr = atoi(argv[++i]); |
134 |
break; |
135 |
case 'y': /* y resolution */ |
136 |
resolution = 0; |
137 |
if (argv[i][0] == '-') |
138 |
picres.or |= YDECR; |
139 |
if (picres.xr == 0) |
140 |
picres.or |= YMAJOR; |
141 |
picres.yr = atoi(argv[++i]); |
142 |
break; |
143 |
default: |
144 |
unkopt: |
145 |
fprintf(stderr, "%s: unknown option: %s\n", |
146 |
progname, argv[i]); |
147 |
quit(1); |
148 |
break; |
149 |
} |
150 |
else |
151 |
break; |
152 |
/* recognize special formats */ |
153 |
if (dataonly && format == 'b') |
154 |
if (brightonly) |
155 |
fmtid = "8-bit_grey"; |
156 |
else |
157 |
fmtid = "24-bit_rgb"; |
158 |
/* assign reverse ordering */ |
159 |
rord[ord[0]] = 0; |
160 |
rord[ord[1]] = 1; |
161 |
rord[ord[2]] = 2; |
162 |
/* get input */ |
163 |
if (i == argc) { |
164 |
fin = stdin; |
165 |
} else if (i == argc-1) { |
166 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
167 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
168 |
progname, argv[i]); |
169 |
quit(1); |
170 |
} |
171 |
} else { |
172 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
173 |
quit(1); |
174 |
} |
175 |
|
176 |
set_io(); |
177 |
|
178 |
if (reverse) { |
179 |
#ifdef MSDOS |
180 |
setmode(fileno(stdout), O_BINARY); |
181 |
if (format != 'a' && format != 'i') |
182 |
setmode(fileno(fin), O_BINARY); |
183 |
#endif |
184 |
/* get header */ |
185 |
if (header && checkheader(fin, fmtid, stdout) < 0) { |
186 |
fprintf(stderr, "%s: wrong input format\n", progname); |
187 |
quit(1); |
188 |
} |
189 |
/* get resolution */ |
190 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
191 |
picres.xr <= 0 || picres.yr <= 0) { |
192 |
fprintf(stderr, "%s: missing resolution\n", progname); |
193 |
quit(1); |
194 |
} |
195 |
/* add to header */ |
196 |
printargs(i, argv, stdout); |
197 |
fputformat(COLRFMT, stdout); |
198 |
putchar('\n'); |
199 |
fputsresolu(&picres, stdout); /* always put resolution */ |
200 |
valtopix(); |
201 |
} else { |
202 |
#ifdef MSDOS |
203 |
setmode(fileno(fin), O_BINARY); |
204 |
if (format != 'a' && format != 'i') |
205 |
setmode(fileno(stdout), O_BINARY); |
206 |
#endif |
207 |
/* get header */ |
208 |
getheader(fin, checkhead, NULL); |
209 |
if (wrongformat) { |
210 |
fprintf(stderr, "%s: input not a Radiance picture\n", |
211 |
progname); |
212 |
quit(1); |
213 |
} |
214 |
if (!fgetsresolu(&picres, fin)) { |
215 |
fprintf(stderr, "%s: missing resolution\n", progname); |
216 |
quit(1); |
217 |
} |
218 |
if (header) { |
219 |
printargs(i, argv, stdout); |
220 |
fputformat(fmtid, stdout); |
221 |
putchar('\n'); |
222 |
} |
223 |
if (resolution) /* put resolution */ |
224 |
fputsresolu(&picres, stdout); |
225 |
pixtoval(); |
226 |
} |
227 |
|
228 |
quit(0); |
229 |
} |
230 |
|
231 |
|
232 |
checkhead(line) /* deal with line from header */ |
233 |
char *line; |
234 |
{ |
235 |
char fmt[32]; |
236 |
double d; |
237 |
COLOR ctmp; |
238 |
|
239 |
if (isformat(line)) { |
240 |
formatval(fmt, line); |
241 |
wrongformat = strcmp(fmt, COLRFMT); |
242 |
} else if (original && isexpos(line)) { |
243 |
d = 1.0/exposval(line); |
244 |
scalecolor(exposure, d); |
245 |
} else if (original && iscolcor(line)) { |
246 |
colcorval(ctmp, line); |
247 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
248 |
colval(exposure,GRN)/colval(ctmp,GRN), |
249 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
250 |
} else if (header) |
251 |
fputs(line, stdout); |
252 |
} |
253 |
|
254 |
|
255 |
pixtoval() /* convert picture to values */ |
256 |
{ |
257 |
register COLOR *scanln; |
258 |
int dogamma; |
259 |
COLOR lastc; |
260 |
FLOAT hv[2]; |
261 |
int y; |
262 |
register int x; |
263 |
|
264 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
265 |
if (scanln == NULL) { |
266 |
fprintf(stderr, "%s: out of memory\n", progname); |
267 |
quit(1); |
268 |
} |
269 |
dogamma = gamcor < .95 || gamcor > 1.05; |
270 |
setcolor(lastc, 0.0, 0.0, 0.0); |
271 |
for (y = 0; y < numscans(&picres); y++) { |
272 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
273 |
fprintf(stderr, "%s: read error\n", progname); |
274 |
quit(1); |
275 |
} |
276 |
for (x = 0; x < scanlen(&picres); x++) { |
277 |
if (uniq) |
278 |
if ( colval(scanln[x],RED) == |
279 |
colval(lastc,RED) && |
280 |
colval(scanln[x],GRN) == |
281 |
colval(lastc,GRN) && |
282 |
colval(scanln[x],BLU) == |
283 |
colval(lastc,BLU) ) |
284 |
continue; |
285 |
else |
286 |
copycolor(lastc, scanln[x]); |
287 |
if (original) |
288 |
multcolor(scanln[x], exposure); |
289 |
if (dogamma) |
290 |
setcolor(scanln[x], |
291 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
292 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
293 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
294 |
if (!dataonly) { |
295 |
pix2loc(hv, &picres, x, y); |
296 |
printf("%7d %7d ", (int)(hv[0]*picres.xr), |
297 |
(int)(hv[1]*picres.yr)); |
298 |
} |
299 |
if ((*putval)(scanln[x], stdout) < 0) { |
300 |
fprintf(stderr, "%s: write error\n", progname); |
301 |
quit(1); |
302 |
} |
303 |
} |
304 |
} |
305 |
free((char *)scanln); |
306 |
} |
307 |
|
308 |
|
309 |
valtopix() /* convert values to a pixel file */ |
310 |
{ |
311 |
int dogamma; |
312 |
register COLOR *scanln; |
313 |
int y; |
314 |
register int x; |
315 |
|
316 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
317 |
if (scanln == NULL) { |
318 |
fprintf(stderr, "%s: out of memory\n", progname); |
319 |
quit(1); |
320 |
} |
321 |
dogamma = gamcor < .95 || gamcor > 1.05; |
322 |
for (y = 0; y < numscans(&picres); y++) { |
323 |
for (x = 0; x < scanlen(&picres); x++) { |
324 |
if (!dataonly) |
325 |
fscanf(fin, "%*d %*d"); |
326 |
if ((*getval)(scanln[x], fin) < 0) { |
327 |
fprintf(stderr, "%s: read error\n", progname); |
328 |
quit(1); |
329 |
} |
330 |
if (dogamma) |
331 |
setcolor(scanln[x], |
332 |
pow(colval(scanln[x],RED), gamcor), |
333 |
pow(colval(scanln[x],GRN), gamcor), |
334 |
pow(colval(scanln[x],BLU), gamcor)); |
335 |
} |
336 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
337 |
fprintf(stderr, "%s: write error\n", progname); |
338 |
quit(1); |
339 |
} |
340 |
} |
341 |
free((char *)scanln); |
342 |
} |
343 |
|
344 |
|
345 |
quit(code) |
346 |
int code; |
347 |
{ |
348 |
exit(code); |
349 |
} |
350 |
|
351 |
|
352 |
getcascii(col, fp) /* get an ascii color value from fp */ |
353 |
COLOR col; |
354 |
FILE *fp; |
355 |
{ |
356 |
double vd[3]; |
357 |
|
358 |
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
359 |
return(-1); |
360 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
361 |
return(0); |
362 |
} |
363 |
|
364 |
|
365 |
getcdouble(col, fp) /* get a double color value from fp */ |
366 |
COLOR col; |
367 |
FILE *fp; |
368 |
{ |
369 |
double vd[3]; |
370 |
|
371 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
372 |
return(-1); |
373 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
374 |
return(0); |
375 |
} |
376 |
|
377 |
|
378 |
getcfloat(col, fp) /* get a float color value from fp */ |
379 |
COLOR col; |
380 |
FILE *fp; |
381 |
{ |
382 |
float vf[3]; |
383 |
|
384 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
385 |
return(-1); |
386 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
387 |
return(0); |
388 |
} |
389 |
|
390 |
|
391 |
getcint(col, fp) /* get an int color value from fp */ |
392 |
COLOR col; |
393 |
FILE *fp; |
394 |
{ |
395 |
int vi[3]; |
396 |
|
397 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
398 |
return(-1); |
399 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
400 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
401 |
return(0); |
402 |
} |
403 |
|
404 |
|
405 |
getcbyte(col, fp) /* get a byte color value from fp */ |
406 |
COLOR col; |
407 |
FILE *fp; |
408 |
{ |
409 |
BYTE vb[3]; |
410 |
|
411 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
412 |
return(-1); |
413 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
414 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
415 |
return(0); |
416 |
} |
417 |
|
418 |
|
419 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
420 |
COLOR col; |
421 |
FILE *fp; |
422 |
{ |
423 |
double vd; |
424 |
|
425 |
if (fscanf(fp, "%lf", &vd) != 1) |
426 |
return(-1); |
427 |
setcolor(col, vd, vd, vd); |
428 |
return(0); |
429 |
} |
430 |
|
431 |
|
432 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
433 |
COLOR col; |
434 |
FILE *fp; |
435 |
{ |
436 |
double vd; |
437 |
|
438 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
439 |
return(-1); |
440 |
setcolor(col, vd, vd, vd); |
441 |
return(0); |
442 |
} |
443 |
|
444 |
|
445 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
446 |
COLOR col; |
447 |
FILE *fp; |
448 |
{ |
449 |
float vf; |
450 |
|
451 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
452 |
return(-1); |
453 |
setcolor(col, vf, vf, vf); |
454 |
return(0); |
455 |
} |
456 |
|
457 |
|
458 |
getbint(col, fp) /* get an int brightness value from fp */ |
459 |
COLOR col; |
460 |
FILE *fp; |
461 |
{ |
462 |
int vi; |
463 |
double d; |
464 |
|
465 |
if (fscanf(fp, "%d", &vi) != 1) |
466 |
return(-1); |
467 |
d = (vi+.5)/256.; |
468 |
setcolor(col, d, d, d); |
469 |
return(0); |
470 |
} |
471 |
|
472 |
|
473 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
474 |
COLOR col; |
475 |
FILE *fp; |
476 |
{ |
477 |
BYTE vb; |
478 |
double d; |
479 |
|
480 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
481 |
return(-1); |
482 |
d = (vb+.5)/256.; |
483 |
setcolor(col, d, d, d); |
484 |
return(0); |
485 |
} |
486 |
|
487 |
|
488 |
putcascii(col, fp) /* put an ascii color to fp */ |
489 |
COLOR col; |
490 |
FILE *fp; |
491 |
{ |
492 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
493 |
colval(col,ord[0]), |
494 |
colval(col,ord[1]), |
495 |
colval(col,ord[2])); |
496 |
|
497 |
return(ferror(fp) ? -1 : 0); |
498 |
} |
499 |
|
500 |
|
501 |
putcfloat(col, fp) /* put a float color to fp */ |
502 |
COLOR col; |
503 |
FILE *fp; |
504 |
{ |
505 |
float vf[3]; |
506 |
|
507 |
vf[0] = colval(col,ord[0]); |
508 |
vf[1] = colval(col,ord[1]); |
509 |
vf[2] = colval(col,ord[2]); |
510 |
fwrite((char *)vf, sizeof(float), 3, fp); |
511 |
|
512 |
return(ferror(fp) ? -1 : 0); |
513 |
} |
514 |
|
515 |
|
516 |
putcdouble(col, fp) /* put a double color to fp */ |
517 |
COLOR col; |
518 |
FILE *fp; |
519 |
{ |
520 |
double vd[3]; |
521 |
|
522 |
vd[0] = colval(col,ord[0]); |
523 |
vd[1] = colval(col,ord[1]); |
524 |
vd[2] = colval(col,ord[2]); |
525 |
fwrite((char *)vd, sizeof(double), 3, fp); |
526 |
|
527 |
return(ferror(fp) ? -1 : 0); |
528 |
} |
529 |
|
530 |
|
531 |
putcint(col, fp) /* put an int color to fp */ |
532 |
COLOR col; |
533 |
FILE *fp; |
534 |
{ |
535 |
fprintf(fp, "%d %d %d\n", |
536 |
(int)(colval(col,ord[0])*256.), |
537 |
(int)(colval(col,ord[1])*256.), |
538 |
(int)(colval(col,ord[2])*256.)); |
539 |
|
540 |
return(ferror(fp) ? -1 : 0); |
541 |
} |
542 |
|
543 |
|
544 |
putcbyte(col, fp) /* put a byte color to fp */ |
545 |
COLOR col; |
546 |
FILE *fp; |
547 |
{ |
548 |
register int i; |
549 |
BYTE vb[3]; |
550 |
|
551 |
i = colval(col,ord[0])*256.; |
552 |
vb[0] = min(i,255); |
553 |
i = colval(col,ord[1])*256.; |
554 |
vb[1] = min(i,255); |
555 |
i = colval(col,ord[2])*256.; |
556 |
vb[2] = min(i,255); |
557 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
558 |
|
559 |
return(ferror(fp) ? -1 : 0); |
560 |
} |
561 |
|
562 |
|
563 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
564 |
COLOR col; |
565 |
FILE *fp; |
566 |
{ |
567 |
fprintf(fp, "%15.3e\n", bright(col)); |
568 |
|
569 |
return(ferror(fp) ? -1 : 0); |
570 |
} |
571 |
|
572 |
|
573 |
putbfloat(col, fp) /* put a float brightness to fp */ |
574 |
COLOR col; |
575 |
FILE *fp; |
576 |
{ |
577 |
float vf; |
578 |
|
579 |
vf = bright(col); |
580 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
581 |
|
582 |
return(ferror(fp) ? -1 : 0); |
583 |
} |
584 |
|
585 |
|
586 |
putbdouble(col, fp) /* put a double brightness to fp */ |
587 |
COLOR col; |
588 |
FILE *fp; |
589 |
{ |
590 |
double vd; |
591 |
|
592 |
vd = bright(col); |
593 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
594 |
|
595 |
return(ferror(fp) ? -1 : 0); |
596 |
} |
597 |
|
598 |
|
599 |
putbint(col, fp) /* put an int brightness to fp */ |
600 |
COLOR col; |
601 |
FILE *fp; |
602 |
{ |
603 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
604 |
|
605 |
return(ferror(fp) ? -1 : 0); |
606 |
} |
607 |
|
608 |
|
609 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
610 |
COLOR col; |
611 |
FILE *fp; |
612 |
{ |
613 |
register int i; |
614 |
BYTE vb; |
615 |
|
616 |
i = bright(col)*256.; |
617 |
vb = min(i,255); |
618 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
619 |
|
620 |
return(ferror(fp) ? -1 : 0); |
621 |
} |
622 |
|
623 |
|
624 |
set_io() /* set put and get functions */ |
625 |
{ |
626 |
switch (format) { |
627 |
case 'a': /* ascii */ |
628 |
if (brightonly) { |
629 |
getval = getbascii; |
630 |
putval = putbascii; |
631 |
} else { |
632 |
getval = getcascii; |
633 |
putval = putcascii; |
634 |
} |
635 |
return; |
636 |
case 'f': /* binary float */ |
637 |
if (brightonly) { |
638 |
getval = getbfloat; |
639 |
putval = putbfloat; |
640 |
} else { |
641 |
getval = getcfloat; |
642 |
putval = putcfloat; |
643 |
} |
644 |
return; |
645 |
case 'd': /* binary double */ |
646 |
if (brightonly) { |
647 |
getval = getbdouble; |
648 |
putval = putbdouble; |
649 |
} else { |
650 |
getval = getcdouble; |
651 |
putval = putcdouble; |
652 |
} |
653 |
return; |
654 |
case 'i': /* integer */ |
655 |
if (brightonly) { |
656 |
getval = getbint; |
657 |
putval = putbint; |
658 |
} else { |
659 |
getval = getcint; |
660 |
putval = putcint; |
661 |
} |
662 |
return; |
663 |
case 'b': /* byte */ |
664 |
if (brightonly) { |
665 |
getval = getbbyte; |
666 |
putval = putbbyte; |
667 |
} else { |
668 |
getval = getcbyte; |
669 |
putval = putcbyte; |
670 |
} |
671 |
return; |
672 |
} |
673 |
} |