1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.24 2003/10/22 02:06:35 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* pvalue.c - program to print pixel values. |
6 |
* |
7 |
* 4/23/86 |
8 |
*/ |
9 |
|
10 |
#include "platform.h" |
11 |
#include "standard.h" |
12 |
#include "color.h" |
13 |
#include "resolu.h" |
14 |
|
15 |
#define min(a,b) ((a)<(b)?(a):(b)) |
16 |
|
17 |
/* what to put out (also RED, GRN, BLU) */ |
18 |
#define ALL 3 |
19 |
#define BRIGHT 4 |
20 |
|
21 |
RESOLU picres; /* resolution of picture */ |
22 |
|
23 |
int uniq = 0; /* print only unique values? */ |
24 |
|
25 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
26 |
|
27 |
int dataonly = 0; /* data only format? */ |
28 |
|
29 |
int putprim = ALL; /* what to put out */ |
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 |
long skipbytes = 0; /* skip bytes in input? */ |
39 |
|
40 |
int swapbytes = 0; /* swap bytes? */ |
41 |
|
42 |
int interleave = 1; /* file is interleaved? */ |
43 |
|
44 |
int resolution = 1; /* put/get resolution string? */ |
45 |
|
46 |
int original = 0; /* convert to original values? */ |
47 |
|
48 |
int wrongformat = 0; /* wrong input format? */ |
49 |
|
50 |
double gamcor = 1.0; /* gamma correction */ |
51 |
|
52 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
53 |
int rord[4]; /* reverse ordering */ |
54 |
|
55 |
COLOR exposure = WHTCOLOR; |
56 |
|
57 |
char *progname; |
58 |
|
59 |
FILE *fin; |
60 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
61 |
|
62 |
int (*getval)(), (*putval)(); |
63 |
|
64 |
static gethfunc checkhead; |
65 |
|
66 |
|
67 |
double |
68 |
rgb_bright(clr) |
69 |
COLOR clr; |
70 |
{ |
71 |
return(bright(clr)); |
72 |
} |
73 |
|
74 |
double |
75 |
xyz_bright(clr) |
76 |
COLOR clr; |
77 |
{ |
78 |
return(clr[CIEY]); |
79 |
} |
80 |
|
81 |
double (*mybright)() = &rgb_bright; |
82 |
|
83 |
|
84 |
main(argc, argv) |
85 |
int argc; |
86 |
char **argv; |
87 |
{ |
88 |
extern long atol(); |
89 |
double d, expval = 1.0; |
90 |
int i; |
91 |
|
92 |
progname = argv[0]; |
93 |
|
94 |
for (i = 1; i < argc; i++) |
95 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
96 |
switch (argv[i][1]) { |
97 |
case 'h': /* header */ |
98 |
header = argv[i][0] == '+'; |
99 |
break; |
100 |
case 'H': /* resolution string */ |
101 |
resolution = argv[i][0] == '+'; |
102 |
break; |
103 |
case 's': /* skip bytes in header */ |
104 |
skipbytes = atol(argv[++i]); |
105 |
break; |
106 |
case 'u': /* unique values */ |
107 |
uniq = argv[i][0] == '-'; |
108 |
break; |
109 |
case 'o': /* original values */ |
110 |
original = argv[i][0] == '-'; |
111 |
break; |
112 |
case 'g': /* gamma correction */ |
113 |
gamcor = atof(argv[i+1]); |
114 |
if (argv[i][0] == '+') |
115 |
gamcor = 1.0/gamcor; |
116 |
i++; |
117 |
break; |
118 |
case 'e': /* exposure correction */ |
119 |
d = atof(argv[i+1]); |
120 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
121 |
d = pow(2.0, d); |
122 |
if (argv[i][0] == '-') |
123 |
expval *= d; |
124 |
scalecolor(exposure, d); |
125 |
doexposure++; |
126 |
i++; |
127 |
break; |
128 |
case 'R': /* reverse byte sequence */ |
129 |
if (argv[i][0] == '-') { |
130 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
131 |
} else { |
132 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
133 |
} |
134 |
break; |
135 |
case 'r': /* reverse conversion */ |
136 |
reverse = argv[i][0] == '-'; |
137 |
break; |
138 |
case 'n': /* non-interleaved RGB */ |
139 |
interleave = argv[i][0] == '+'; |
140 |
break; |
141 |
case 'b': /* brightness values */ |
142 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
143 |
break; |
144 |
case 'p': /* put primary */ |
145 |
switch (argv[i][2]) { |
146 |
case 'r': case 'R': putprim = RED; break; |
147 |
case 'g': case 'G': putprim = GRN; break; |
148 |
case 'b': case 'B': putprim = BLU; break; |
149 |
default: goto unkopt; |
150 |
} |
151 |
break; |
152 |
case 'd': /* data only (no indices) */ |
153 |
dataonly = argv[i][0] == '-'; |
154 |
switch (argv[i][2]) { |
155 |
case '\0': |
156 |
case 'a': /* ascii */ |
157 |
format = 'a'; |
158 |
fmtid = "ascii"; |
159 |
break; |
160 |
case 'i': /* integer */ |
161 |
format = 'i'; |
162 |
fmtid = "ascii"; |
163 |
break; |
164 |
case 'b': /* byte */ |
165 |
dataonly = 1; |
166 |
format = 'b'; |
167 |
fmtid = "byte"; |
168 |
break; |
169 |
case 'W': /* 16-bit swapped */ |
170 |
swapbytes = 1; |
171 |
case 'w': /* 16-bit */ |
172 |
dataonly = 1; |
173 |
format = 'w'; |
174 |
fmtid = "16-bit"; |
175 |
break; |
176 |
case 'F': /* swapped floats */ |
177 |
swapbytes = 1; |
178 |
case 'f': /* float */ |
179 |
dataonly = 1; |
180 |
format = 'f'; |
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fmtid = "float"; |
182 |
break; |
183 |
case 'D': /* swapped doubles */ |
184 |
swapbytes = 1; |
185 |
case 'd': /* double */ |
186 |
dataonly = 1; |
187 |
format = 'd'; |
188 |
fmtid = "double"; |
189 |
break; |
190 |
default: |
191 |
goto unkopt; |
192 |
} |
193 |
break; |
194 |
case 'x': /* x resolution */ |
195 |
case 'X': /* x resolution */ |
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resolution = 0; |
197 |
if (argv[i][0] == '-') |
198 |
picres.rt |= XDECR; |
199 |
picres.xr = atoi(argv[++i]); |
200 |
break; |
201 |
case 'y': /* y resolution */ |
202 |
case 'Y': /* y resolution */ |
203 |
resolution = 0; |
204 |
if (argv[i][0] == '-') |
205 |
picres.rt |= YDECR; |
206 |
if (picres.xr == 0) |
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picres.rt |= YMAJOR; |
208 |
picres.yr = atoi(argv[++i]); |
209 |
break; |
210 |
default: |
211 |
unkopt: |
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fprintf(stderr, "%s: unknown option: %s\n", |
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progname, argv[i]); |
214 |
quit(1); |
215 |
break; |
216 |
} |
217 |
else |
218 |
break; |
219 |
/* recognize special formats */ |
220 |
if (dataonly && format == 'b') { |
221 |
if (putprim == ALL) |
222 |
fmtid = "24-bit_rgb"; |
223 |
else |
224 |
fmtid = "8-bit_grey"; |
225 |
} |
226 |
if (dataonly && format == 'w') { |
227 |
if (putprim == ALL) |
228 |
fmtid = "48-bit_rgb"; |
229 |
else |
230 |
fmtid = "16-bit_grey"; |
231 |
} |
232 |
/* assign reverse ordering */ |
233 |
rord[ord[0]] = 0; |
234 |
rord[ord[1]] = 1; |
235 |
rord[ord[2]] = 2; |
236 |
/* get input */ |
237 |
if (i == argc) { |
238 |
fin = stdin; |
239 |
} else if (i < argc) { |
240 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
241 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
242 |
progname, argv[i]); |
243 |
quit(1); |
244 |
} |
245 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
246 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
247 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
248 |
progname, argv[i+1]); |
249 |
quit(1); |
250 |
} |
251 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
252 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
253 |
progname, argv[i+2]); |
254 |
quit(1); |
255 |
} |
256 |
interleave = -1; |
257 |
} else if (i != argc-1) |
258 |
fin = NULL; |
259 |
if (reverse && putprim != BRIGHT && !interleave) { |
260 |
fin2 = fopen(argv[i], "r"); |
261 |
fin3 = fopen(argv[i], "r"); |
262 |
} |
263 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
264 |
(fseek(fin2, skipbytes, 0) || |
265 |
fseek(fin3, skipbytes, 0))))) { |
266 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
267 |
progname, skipbytes); |
268 |
quit(1); |
269 |
} |
270 |
} |
271 |
if (fin == NULL) { |
272 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
273 |
quit(1); |
274 |
} |
275 |
|
276 |
if (reverse) { |
277 |
#ifdef _WIN32 |
278 |
SET_FILE_BINARY(stdout); |
279 |
if (format != 'a' && format != 'i') |
280 |
SET_FILE_BINARY(fin); |
281 |
#endif |
282 |
/* get header */ |
283 |
if (header) { |
284 |
if (checkheader(fin, fmtid, stdout) < 0) { |
285 |
fprintf(stderr, "%s: wrong input format\n", |
286 |
progname); |
287 |
quit(1); |
288 |
} |
289 |
if (fin2 != NULL) { |
290 |
getheader(fin2, NULL, NULL); |
291 |
getheader(fin3, NULL, NULL); |
292 |
} |
293 |
} else |
294 |
newheader("RADIANCE", stdout); |
295 |
/* get resolution */ |
296 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
297 |
picres.xr <= 0 || picres.yr <= 0) { |
298 |
fprintf(stderr, "%s: missing resolution\n", progname); |
299 |
quit(1); |
300 |
} |
301 |
if (resolution && fin2 != NULL) { |
302 |
RESOLU pres2; |
303 |
if (!fgetsresolu(&pres2, fin2) || |
304 |
pres2.rt != picres.rt || |
305 |
pres2.xr != picres.xr || |
306 |
pres2.yr != picres.yr || |
307 |
!fgetsresolu(&pres2, fin3) || |
308 |
pres2.rt != picres.rt || |
309 |
pres2.xr != picres.xr || |
310 |
pres2.yr != picres.yr) { |
311 |
fprintf(stderr, "%s: resolution mismatch\n", |
312 |
progname); |
313 |
quit(1); |
314 |
} |
315 |
} |
316 |
/* add to header */ |
317 |
printargs(i, argv, stdout); |
318 |
if (expval < .99 || expval > 1.01) |
319 |
fputexpos(expval, stdout); |
320 |
fputformat(COLRFMT, stdout); |
321 |
putchar('\n'); |
322 |
fputsresolu(&picres, stdout); /* always put resolution */ |
323 |
valtopix(); |
324 |
} else { |
325 |
#ifdef _WIN32 |
326 |
SET_FILE_BINARY(fin); |
327 |
if (format != 'a' && format != 'i') |
328 |
SET_FILE_BINARY(stdout); |
329 |
#endif |
330 |
/* get header */ |
331 |
getheader(fin, checkhead, NULL); |
332 |
if (wrongformat) { |
333 |
fprintf(stderr, |
334 |
"%s: input not a Radiance RGBE picture\n", |
335 |
progname); |
336 |
quit(1); |
337 |
} |
338 |
if (!fgetsresolu(&picres, fin)) { |
339 |
fprintf(stderr, "%s: missing resolution\n", progname); |
340 |
quit(1); |
341 |
} |
342 |
if (header) { |
343 |
printargs(i, argv, stdout); |
344 |
if (expval < .99 || expval > 1.01) |
345 |
fputexpos(expval, stdout); |
346 |
fputformat(fmtid, stdout); |
347 |
putchar('\n'); |
348 |
} |
349 |
if (resolution) /* put resolution */ |
350 |
fputsresolu(&picres, stdout); |
351 |
pixtoval(); |
352 |
} |
353 |
|
354 |
quit(0); |
355 |
} |
356 |
|
357 |
|
358 |
static int |
359 |
checkhead( /* deal with line from header */ |
360 |
char *line, |
361 |
void *p |
362 |
) |
363 |
{ |
364 |
char fmt[32]; |
365 |
double d; |
366 |
COLOR ctmp; |
367 |
|
368 |
if (formatval(fmt, line)) { |
369 |
if (!strcmp(fmt, CIEFMT)) { |
370 |
mybright = &xyz_bright; |
371 |
if (original) { |
372 |
scalecolor(exposure, 1./WHTEFFICACY); |
373 |
doexposure++; |
374 |
} |
375 |
} else if (!strcmp(fmt, COLRFMT)) |
376 |
mybright = &rgb_bright; |
377 |
else |
378 |
wrongformat++; |
379 |
} else if (original && isexpos(line)) { |
380 |
d = 1.0/exposval(line); |
381 |
scalecolor(exposure, d); |
382 |
doexposure++; |
383 |
} else if (original && iscolcor(line)) { |
384 |
colcorval(ctmp, line); |
385 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
386 |
colval(exposure,GRN)/colval(ctmp,GRN), |
387 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
388 |
doexposure++; |
389 |
} else if (header) |
390 |
fputs(line, stdout); |
391 |
return(0); |
392 |
} |
393 |
|
394 |
|
395 |
pixtoval() /* convert picture to values */ |
396 |
{ |
397 |
register COLOR *scanln; |
398 |
int dogamma; |
399 |
COLOR lastc; |
400 |
RREAL hv[2]; |
401 |
int startprim, endprim; |
402 |
long startpos; |
403 |
int y; |
404 |
register int x; |
405 |
|
406 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
407 |
if (scanln == NULL) { |
408 |
fprintf(stderr, "%s: out of memory\n", progname); |
409 |
quit(1); |
410 |
} |
411 |
dogamma = gamcor < .95 || gamcor > 1.05; |
412 |
if (putprim == ALL && !interleave) { |
413 |
startprim = RED; endprim = BLU; |
414 |
startpos = ftell(fin); |
415 |
} else { |
416 |
startprim = putprim; endprim = putprim; |
417 |
} |
418 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
419 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
420 |
fprintf(stderr, "%s: seek error on input file\n", |
421 |
progname); |
422 |
quit(1); |
423 |
} |
424 |
set_io(); |
425 |
setcolor(lastc, 0.0, 0.0, 0.0); |
426 |
for (y = 0; y < numscans(&picres); y++) { |
427 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
428 |
fprintf(stderr, "%s: read error\n", progname); |
429 |
quit(1); |
430 |
} |
431 |
for (x = 0; x < scanlen(&picres); x++) { |
432 |
if (uniq) { |
433 |
if ( colval(scanln[x],RED) == |
434 |
colval(lastc,RED) && |
435 |
colval(scanln[x],GRN) == |
436 |
colval(lastc,GRN) && |
437 |
colval(scanln[x],BLU) == |
438 |
colval(lastc,BLU) ) |
439 |
continue; |
440 |
else |
441 |
copycolor(lastc, scanln[x]); |
442 |
} |
443 |
if (doexposure) |
444 |
multcolor(scanln[x], exposure); |
445 |
if (dogamma) |
446 |
setcolor(scanln[x], |
447 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
448 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
449 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
450 |
if (!dataonly) { |
451 |
pix2loc(hv, &picres, x, y); |
452 |
printf("%7d %7d ", |
453 |
(int)(hv[0]*picres.xr), |
454 |
(int)(hv[1]*picres.yr)); |
455 |
} |
456 |
if ((*putval)(scanln[x]) < 0) { |
457 |
fprintf(stderr, "%s: write error\n", |
458 |
progname); |
459 |
quit(1); |
460 |
} |
461 |
} |
462 |
} |
463 |
} |
464 |
free((void *)scanln); |
465 |
} |
466 |
|
467 |
|
468 |
valtopix() /* convert values to a pixel file */ |
469 |
{ |
470 |
int dogamma; |
471 |
register COLOR *scanln; |
472 |
int y; |
473 |
register int x; |
474 |
|
475 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
476 |
if (scanln == NULL) { |
477 |
fprintf(stderr, "%s: out of memory\n", progname); |
478 |
quit(1); |
479 |
} |
480 |
dogamma = gamcor < .95 || gamcor > 1.05; |
481 |
set_io(); |
482 |
for (y = 0; y < numscans(&picres); y++) { |
483 |
for (x = 0; x < scanlen(&picres); x++) { |
484 |
if (!dataonly) { |
485 |
fscanf(fin, "%*d %*d"); |
486 |
if (fin2 != NULL) { |
487 |
fscanf(fin2, "%*d %*d"); |
488 |
fscanf(fin3, "%*d %*d"); |
489 |
} |
490 |
} |
491 |
if ((*getval)(scanln[x]) < 0) { |
492 |
fprintf(stderr, "%s: read error\n", progname); |
493 |
quit(1); |
494 |
} |
495 |
if (dogamma) |
496 |
setcolor(scanln[x], |
497 |
pow(colval(scanln[x],RED), gamcor), |
498 |
pow(colval(scanln[x],GRN), gamcor), |
499 |
pow(colval(scanln[x],BLU), gamcor)); |
500 |
if (doexposure) |
501 |
multcolor(scanln[x], exposure); |
502 |
} |
503 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
504 |
fprintf(stderr, "%s: write error\n", progname); |
505 |
quit(1); |
506 |
} |
507 |
} |
508 |
free((void *)scanln); |
509 |
} |
510 |
|
511 |
|
512 |
void |
513 |
quit(code) |
514 |
int code; |
515 |
{ |
516 |
exit(code); |
517 |
} |
518 |
|
519 |
|
520 |
swap16(wp, n) /* swap n 16-bit words */ |
521 |
register uint16 *wp; |
522 |
int n; |
523 |
{ |
524 |
while (n-- > 0) { |
525 |
*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
526 |
wp++; |
527 |
} |
528 |
} |
529 |
|
530 |
|
531 |
swap32(wp, n) /* swap n 32-bit words */ |
532 |
register uint32 *wp; |
533 |
int n; |
534 |
{ |
535 |
while (n-- > 0) { |
536 |
*wp = *wp << 24 | ((*wp >> 24) & 0xff) | |
537 |
(*wp & 0xff00) << 8 | (*wp & 0xff0000) >> 8; |
538 |
wp++; |
539 |
} |
540 |
} |
541 |
|
542 |
|
543 |
swap64(wp, n) /* swap n 64-bit words */ |
544 |
register char *wp; |
545 |
int n; |
546 |
{ |
547 |
register int t; |
548 |
|
549 |
while (n-- > 0) { |
550 |
t = wp[0]; wp[0] = wp[7]; wp[7] = t; |
551 |
t = wp[1]; wp[1] = wp[6]; wp[6] = t; |
552 |
t = wp[2]; wp[2] = wp[5]; wp[5] = t; |
553 |
t = wp[3]; wp[3] = wp[4]; wp[4] = t; |
554 |
wp += 8; |
555 |
} |
556 |
} |
557 |
|
558 |
|
559 |
getcascii(col) /* get an ascii color value from stream(s) */ |
560 |
COLOR col; |
561 |
{ |
562 |
double vd[3]; |
563 |
|
564 |
if (fin2 == NULL) { |
565 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
566 |
return(-1); |
567 |
} else { |
568 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
569 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
570 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
571 |
return(-1); |
572 |
} |
573 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
574 |
return(0); |
575 |
} |
576 |
|
577 |
|
578 |
getcdouble(col) /* get a double color value from stream(s) */ |
579 |
COLOR col; |
580 |
{ |
581 |
double vd[3]; |
582 |
|
583 |
if (fin2 == NULL) { |
584 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
585 |
return(-1); |
586 |
} else { |
587 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
588 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
589 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
590 |
return(-1); |
591 |
} |
592 |
if (swapbytes) |
593 |
swap64((char *)vd, 3); |
594 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
595 |
return(0); |
596 |
} |
597 |
|
598 |
|
599 |
getcfloat(col) /* get a float color value from stream(s) */ |
600 |
COLOR col; |
601 |
{ |
602 |
float vf[3]; |
603 |
|
604 |
if (fin2 == NULL) { |
605 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
606 |
return(-1); |
607 |
} else { |
608 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
609 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
610 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
611 |
return(-1); |
612 |
} |
613 |
if (swapbytes) |
614 |
swap32((uint32 *)vf, 3); |
615 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
616 |
return(0); |
617 |
} |
618 |
|
619 |
|
620 |
getcint(col) /* get an int color value from stream(s) */ |
621 |
COLOR col; |
622 |
{ |
623 |
int vi[3]; |
624 |
|
625 |
if (fin2 == NULL) { |
626 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
627 |
return(-1); |
628 |
} else { |
629 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
630 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
631 |
fscanf(fin3, "%d", &vi[2]) != 1) |
632 |
return(-1); |
633 |
} |
634 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
635 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
636 |
return(0); |
637 |
} |
638 |
|
639 |
|
640 |
getcbyte(col) /* get a byte color value from stream(s) */ |
641 |
COLOR col; |
642 |
{ |
643 |
BYTE vb[3]; |
644 |
|
645 |
if (fin2 == NULL) { |
646 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
647 |
return(-1); |
648 |
} else { |
649 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
650 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
651 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
652 |
return(-1); |
653 |
} |
654 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
655 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
656 |
return(0); |
657 |
} |
658 |
|
659 |
|
660 |
getcword(col) /* get a 16-bit color value from stream(s) */ |
661 |
COLOR col; |
662 |
{ |
663 |
uint16 vw[3]; |
664 |
|
665 |
if (fin2 == NULL) { |
666 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
667 |
return(-1); |
668 |
} else { |
669 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
670 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
671 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
672 |
return(-1); |
673 |
} |
674 |
if (swapbytes) |
675 |
swap16(vw, 3); |
676 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
677 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
678 |
return(0); |
679 |
} |
680 |
|
681 |
|
682 |
getbascii(col) /* get an ascii brightness value from fin */ |
683 |
COLOR col; |
684 |
{ |
685 |
double vd; |
686 |
|
687 |
if (fscanf(fin, "%lf", &vd) != 1) |
688 |
return(-1); |
689 |
setcolor(col, vd, vd, vd); |
690 |
return(0); |
691 |
} |
692 |
|
693 |
|
694 |
getbdouble(col) /* get a double brightness value from fin */ |
695 |
COLOR col; |
696 |
{ |
697 |
double vd; |
698 |
|
699 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
700 |
return(-1); |
701 |
if (swapbytes) |
702 |
swap64((char *)&vd, 1); |
703 |
setcolor(col, vd, vd, vd); |
704 |
return(0); |
705 |
} |
706 |
|
707 |
|
708 |
getbfloat(col) /* get a float brightness value from fin */ |
709 |
COLOR col; |
710 |
{ |
711 |
float vf; |
712 |
|
713 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
714 |
return(-1); |
715 |
if (swapbytes) |
716 |
swap32((uint32 *)&vf, 1); |
717 |
setcolor(col, vf, vf, vf); |
718 |
return(0); |
719 |
} |
720 |
|
721 |
|
722 |
getbint(col) /* get an int brightness value from fin */ |
723 |
COLOR col; |
724 |
{ |
725 |
int vi; |
726 |
double d; |
727 |
|
728 |
if (fscanf(fin, "%d", &vi) != 1) |
729 |
return(-1); |
730 |
d = (vi+.5)/256.; |
731 |
setcolor(col, d, d, d); |
732 |
return(0); |
733 |
} |
734 |
|
735 |
|
736 |
getbbyte(col) /* get a byte brightness value from fin */ |
737 |
COLOR col; |
738 |
{ |
739 |
BYTE vb; |
740 |
double d; |
741 |
|
742 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
743 |
return(-1); |
744 |
d = (vb+.5)/256.; |
745 |
setcolor(col, d, d, d); |
746 |
return(0); |
747 |
} |
748 |
|
749 |
|
750 |
getbword(col) /* get a 16-bit brightness value from fin */ |
751 |
COLOR col; |
752 |
{ |
753 |
uint16 vw; |
754 |
double d; |
755 |
|
756 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
757 |
return(-1); |
758 |
if (swapbytes) |
759 |
swap16(&vw, 1); |
760 |
d = (vw+.5)/65536.; |
761 |
setcolor(col, d, d, d); |
762 |
return(0); |
763 |
} |
764 |
|
765 |
|
766 |
putcascii(col) /* put an ascii color to stdout */ |
767 |
COLOR col; |
768 |
{ |
769 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
770 |
colval(col,ord[0]), |
771 |
colval(col,ord[1]), |
772 |
colval(col,ord[2])); |
773 |
|
774 |
return(ferror(stdout) ? -1 : 0); |
775 |
} |
776 |
|
777 |
|
778 |
putcfloat(col) /* put a float color to stdout */ |
779 |
COLOR col; |
780 |
{ |
781 |
float vf[3]; |
782 |
|
783 |
vf[0] = colval(col,ord[0]); |
784 |
vf[1] = colval(col,ord[1]); |
785 |
vf[2] = colval(col,ord[2]); |
786 |
if (swapbytes) |
787 |
swap32((uint32 *)vf, 3); |
788 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
789 |
|
790 |
return(ferror(stdout) ? -1 : 0); |
791 |
} |
792 |
|
793 |
|
794 |
putcdouble(col) /* put a double color to stdout */ |
795 |
COLOR col; |
796 |
{ |
797 |
double vd[3]; |
798 |
|
799 |
vd[0] = colval(col,ord[0]); |
800 |
vd[1] = colval(col,ord[1]); |
801 |
vd[2] = colval(col,ord[2]); |
802 |
if (swapbytes) |
803 |
swap64((char *)vd, 3); |
804 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
805 |
|
806 |
return(ferror(stdout) ? -1 : 0); |
807 |
} |
808 |
|
809 |
|
810 |
putcint(col) /* put an int color to stdout */ |
811 |
COLOR col; |
812 |
{ |
813 |
fprintf(stdout, "%d %d %d\n", |
814 |
(int)(colval(col,ord[0])*256.), |
815 |
(int)(colval(col,ord[1])*256.), |
816 |
(int)(colval(col,ord[2])*256.)); |
817 |
|
818 |
return(ferror(stdout) ? -1 : 0); |
819 |
} |
820 |
|
821 |
|
822 |
putcbyte(col) /* put a byte color to stdout */ |
823 |
COLOR col; |
824 |
{ |
825 |
long i; |
826 |
BYTE vb[3]; |
827 |
|
828 |
i = colval(col,ord[0])*256.; |
829 |
vb[0] = min(i,255); |
830 |
i = colval(col,ord[1])*256.; |
831 |
vb[1] = min(i,255); |
832 |
i = colval(col,ord[2])*256.; |
833 |
vb[2] = min(i,255); |
834 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
835 |
|
836 |
return(ferror(stdout) ? -1 : 0); |
837 |
} |
838 |
|
839 |
|
840 |
putcword(col) /* put a 16-bit color to stdout */ |
841 |
COLOR col; |
842 |
{ |
843 |
long i; |
844 |
uint16 vw[3]; |
845 |
|
846 |
i = colval(col,ord[0])*65536.; |
847 |
vw[0] = min(i,65535); |
848 |
i = colval(col,ord[1])*65536.; |
849 |
vw[1] = min(i,65535); |
850 |
i = colval(col,ord[2])*65536.; |
851 |
vw[2] = min(i,65535); |
852 |
if (swapbytes) |
853 |
swap16(vw, 3); |
854 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
855 |
|
856 |
return(ferror(stdout) ? -1 : 0); |
857 |
} |
858 |
|
859 |
|
860 |
putbascii(col) /* put an ascii brightness to stdout */ |
861 |
COLOR col; |
862 |
{ |
863 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
864 |
|
865 |
return(ferror(stdout) ? -1 : 0); |
866 |
} |
867 |
|
868 |
|
869 |
putbfloat(col) /* put a float brightness to stdout */ |
870 |
COLOR col; |
871 |
{ |
872 |
float vf; |
873 |
|
874 |
vf = (*mybright)(col); |
875 |
if (swapbytes) |
876 |
swap32((uint32 *)&vf, 1); |
877 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
878 |
|
879 |
return(ferror(stdout) ? -1 : 0); |
880 |
} |
881 |
|
882 |
|
883 |
putbdouble(col) /* put a double brightness to stdout */ |
884 |
COLOR col; |
885 |
{ |
886 |
double vd; |
887 |
|
888 |
vd = (*mybright)(col); |
889 |
if (swapbytes) |
890 |
swap64((char *)&vd, 1); |
891 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
892 |
|
893 |
return(ferror(stdout) ? -1 : 0); |
894 |
} |
895 |
|
896 |
|
897 |
putbint(col) /* put an int brightness to stdout */ |
898 |
COLOR col; |
899 |
{ |
900 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
901 |
|
902 |
return(ferror(stdout) ? -1 : 0); |
903 |
} |
904 |
|
905 |
|
906 |
putbbyte(col) /* put a byte brightness to stdout */ |
907 |
COLOR col; |
908 |
{ |
909 |
register int i; |
910 |
BYTE vb; |
911 |
|
912 |
i = (*mybright)(col)*256.; |
913 |
vb = min(i,255); |
914 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
915 |
|
916 |
return(ferror(stdout) ? -1 : 0); |
917 |
} |
918 |
|
919 |
|
920 |
putbword(col) /* put a 16-bit brightness to stdout */ |
921 |
COLOR col; |
922 |
{ |
923 |
long i; |
924 |
uint16 vw; |
925 |
|
926 |
i = (*mybright)(col)*65536.; |
927 |
vw = min(i,65535); |
928 |
if (swapbytes) |
929 |
swap16(&vw, 1); |
930 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
931 |
|
932 |
return(ferror(stdout) ? -1 : 0); |
933 |
} |
934 |
|
935 |
|
936 |
putpascii(col) /* put an ascii primary to stdout */ |
937 |
COLOR col; |
938 |
{ |
939 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
940 |
|
941 |
return(ferror(stdout) ? -1 : 0); |
942 |
} |
943 |
|
944 |
|
945 |
putpfloat(col) /* put a float primary to stdout */ |
946 |
COLOR col; |
947 |
{ |
948 |
float vf; |
949 |
|
950 |
vf = colval(col,putprim); |
951 |
if (swapbytes) |
952 |
swap32((uint32 *)&vf, 1); |
953 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
954 |
|
955 |
return(ferror(stdout) ? -1 : 0); |
956 |
} |
957 |
|
958 |
|
959 |
putpdouble(col) /* put a double primary to stdout */ |
960 |
COLOR col; |
961 |
{ |
962 |
double vd; |
963 |
|
964 |
vd = colval(col,putprim); |
965 |
if (swapbytes) |
966 |
swap64((char *)&vd, 1); |
967 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
968 |
|
969 |
return(ferror(stdout) ? -1 : 0); |
970 |
} |
971 |
|
972 |
|
973 |
putpint(col) /* put an int primary to stdout */ |
974 |
COLOR col; |
975 |
{ |
976 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
977 |
|
978 |
return(ferror(stdout) ? -1 : 0); |
979 |
} |
980 |
|
981 |
|
982 |
putpbyte(col) /* put a byte primary to stdout */ |
983 |
COLOR col; |
984 |
{ |
985 |
long i; |
986 |
BYTE vb; |
987 |
|
988 |
i = colval(col,putprim)*256.; |
989 |
vb = min(i,255); |
990 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
991 |
|
992 |
return(ferror(stdout) ? -1 : 0); |
993 |
} |
994 |
|
995 |
|
996 |
putpword(col) /* put a 16-bit primary to stdout */ |
997 |
COLOR col; |
998 |
{ |
999 |
long i; |
1000 |
uint16 vw; |
1001 |
|
1002 |
i = colval(col,putprim)*65536.; |
1003 |
vw = min(i,65535); |
1004 |
if (swapbytes) |
1005 |
swap16(&vw, 1); |
1006 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
1007 |
|
1008 |
return(ferror(stdout) ? -1 : 0); |
1009 |
} |
1010 |
|
1011 |
|
1012 |
set_io() /* set put and get functions */ |
1013 |
{ |
1014 |
switch (format) { |
1015 |
case 'a': /* ascii */ |
1016 |
if (putprim == BRIGHT) { |
1017 |
getval = getbascii; |
1018 |
putval = putbascii; |
1019 |
} else if (putprim != ALL) { |
1020 |
getval = getbascii; |
1021 |
putval = putpascii; |
1022 |
} else { |
1023 |
getval = getcascii; |
1024 |
putval = putcascii; |
1025 |
if (reverse && !interleave) { |
1026 |
fprintf(stderr, |
1027 |
"%s: ASCII input files must be interleaved\n", |
1028 |
progname); |
1029 |
quit(1); |
1030 |
} |
1031 |
} |
1032 |
return; |
1033 |
case 'f': /* binary float */ |
1034 |
if (putprim == BRIGHT) { |
1035 |
getval = getbfloat; |
1036 |
putval = putbfloat; |
1037 |
} else if (putprim != ALL) { |
1038 |
getval = getbfloat; |
1039 |
putval = putpfloat; |
1040 |
} else { |
1041 |
getval = getcfloat; |
1042 |
putval = putcfloat; |
1043 |
if (reverse && !interleave) { |
1044 |
if (fin2 == NULL) |
1045 |
goto namerr; |
1046 |
if (fseek(fin2, |
1047 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
1048 |
goto seekerr; |
1049 |
if (fseek(fin3, |
1050 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
1051 |
goto seekerr; |
1052 |
} |
1053 |
} |
1054 |
return; |
1055 |
case 'd': /* binary double */ |
1056 |
if (putprim == BRIGHT) { |
1057 |
getval = getbdouble; |
1058 |
putval = putbdouble; |
1059 |
} else if (putprim != ALL) { |
1060 |
getval = getbdouble; |
1061 |
putval = putpdouble; |
1062 |
} else { |
1063 |
getval = getcdouble; |
1064 |
putval = putcdouble; |
1065 |
if (reverse && !interleave) { |
1066 |
if (fin2 == NULL) |
1067 |
goto namerr; |
1068 |
if (fseek(fin2, |
1069 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
1070 |
goto seekerr; |
1071 |
if (fseek(fin3, |
1072 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
1073 |
goto seekerr; |
1074 |
} |
1075 |
} |
1076 |
return; |
1077 |
case 'i': /* integer */ |
1078 |
if (putprim == BRIGHT) { |
1079 |
getval = getbint; |
1080 |
putval = putbint; |
1081 |
} else if (putprim != ALL) { |
1082 |
getval = getbint; |
1083 |
putval = putpint; |
1084 |
} else { |
1085 |
getval = getcint; |
1086 |
putval = putcint; |
1087 |
if (reverse && !interleave) { |
1088 |
fprintf(stderr, |
1089 |
"%s: integer input files must be interleaved\n", |
1090 |
progname); |
1091 |
quit(1); |
1092 |
} |
1093 |
} |
1094 |
return; |
1095 |
case 'b': /* byte */ |
1096 |
if (putprim == BRIGHT) { |
1097 |
getval = getbbyte; |
1098 |
putval = putbbyte; |
1099 |
} else if (putprim != ALL) { |
1100 |
getval = getbbyte; |
1101 |
putval = putpbyte; |
1102 |
} else { |
1103 |
getval = getcbyte; |
1104 |
putval = putcbyte; |
1105 |
if (reverse && !interleave) { |
1106 |
if (fin2 == NULL) |
1107 |
goto namerr; |
1108 |
if (fseek(fin2, |
1109 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
1110 |
goto seekerr; |
1111 |
if (fseek(fin3, |
1112 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1113 |
goto seekerr; |
1114 |
} |
1115 |
} |
1116 |
return; |
1117 |
case 'w': /* 16-bit */ |
1118 |
if (putprim == BRIGHT) { |
1119 |
getval = getbword; |
1120 |
putval = putbword; |
1121 |
} else if (putprim != ALL) { |
1122 |
getval = getbword; |
1123 |
putval = putpword; |
1124 |
} else { |
1125 |
getval = getcword; |
1126 |
putval = putcword; |
1127 |
if (reverse && !interleave) { |
1128 |
if (fin2 == NULL) |
1129 |
goto namerr; |
1130 |
if (fseek(fin2, |
1131 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1132 |
goto seekerr; |
1133 |
if (fseek(fin3, |
1134 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1135 |
goto seekerr; |
1136 |
} |
1137 |
} |
1138 |
return; |
1139 |
} |
1140 |
badopt: |
1141 |
fprintf(stderr, "%s: botched file type\n", progname); |
1142 |
quit(1); |
1143 |
namerr: |
1144 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1145 |
progname); |
1146 |
quit(1); |
1147 |
seekerr: |
1148 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1149 |
progname); |
1150 |
quit(1); |
1151 |
} |