1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.17 2003/02/27 02:00:12 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* pvalue.c - program to print pixel values. |
6 |
* |
7 |
* 4/23/86 |
8 |
*/ |
9 |
|
10 |
#include <time.h> |
11 |
|
12 |
#include "standard.h" |
13 |
#include "color.h" |
14 |
#include "resolu.h" |
15 |
|
16 |
typedef unsigned short uint16; /* sizeof (uint16) must == 2 */ |
17 |
|
18 |
#define min(a,b) ((a)<(b)?(a):(b)) |
19 |
|
20 |
/* what to put out (also RED, GRN, BLU) */ |
21 |
#define ALL 3 |
22 |
#define BRIGHT 4 |
23 |
|
24 |
RESOLU picres; /* resolution of picture */ |
25 |
|
26 |
int uniq = 0; /* print only unique values? */ |
27 |
|
28 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
29 |
|
30 |
int dataonly = 0; /* data only format? */ |
31 |
|
32 |
int putprim = ALL; /* what to put out */ |
33 |
|
34 |
int reverse = 0; /* reverse conversion? */ |
35 |
|
36 |
int format = 'a'; /* input/output format */ |
37 |
char *fmtid = "ascii"; /* format identifier for header */ |
38 |
|
39 |
int header = 1; /* do header? */ |
40 |
|
41 |
long skipbytes = 0; /* skip bytes in input? */ |
42 |
|
43 |
int swapbytes = 0; /* swap bytes in 16-bit words? */ |
44 |
|
45 |
int interleave = 1; /* file is interleaved? */ |
46 |
|
47 |
int resolution = 1; /* put/get resolution string? */ |
48 |
|
49 |
int original = 0; /* convert to original values? */ |
50 |
|
51 |
int wrongformat = 0; /* wrong input format? */ |
52 |
|
53 |
double gamcor = 1.0; /* gamma correction */ |
54 |
|
55 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
56 |
int rord[4]; /* reverse ordering */ |
57 |
|
58 |
COLOR exposure = WHTCOLOR; |
59 |
|
60 |
char *progname; |
61 |
|
62 |
FILE *fin; |
63 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
64 |
|
65 |
int (*getval)(), (*putval)(); |
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 int checkhead(); |
89 |
extern long atol(); |
90 |
double d, expval = 1.0; |
91 |
int i; |
92 |
|
93 |
progname = argv[0]; |
94 |
|
95 |
for (i = 1; i < argc; i++) |
96 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
97 |
switch (argv[i][1]) { |
98 |
case 'h': /* header */ |
99 |
header = argv[i][0] == '+'; |
100 |
break; |
101 |
case 'H': /* resolution string */ |
102 |
resolution = argv[i][0] == '+'; |
103 |
break; |
104 |
case 's': /* skip bytes in header */ |
105 |
skipbytes = atol(argv[++i]); |
106 |
break; |
107 |
case 'u': /* unique values */ |
108 |
uniq = argv[i][0] == '-'; |
109 |
break; |
110 |
case 'o': /* original values */ |
111 |
original = argv[i][0] == '-'; |
112 |
break; |
113 |
case 'g': /* gamma correction */ |
114 |
gamcor = atof(argv[i+1]); |
115 |
if (argv[i][0] == '+') |
116 |
gamcor = 1.0/gamcor; |
117 |
i++; |
118 |
break; |
119 |
case 'e': /* exposure correction */ |
120 |
d = atof(argv[i+1]); |
121 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
122 |
d = pow(2.0, d); |
123 |
if (argv[i][0] == '-') |
124 |
expval *= d; |
125 |
scalecolor(exposure, d); |
126 |
doexposure++; |
127 |
i++; |
128 |
break; |
129 |
case 'R': /* reverse byte sequence */ |
130 |
if (argv[i][0] == '-') { |
131 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
132 |
} else { |
133 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
134 |
} |
135 |
break; |
136 |
case 'r': /* reverse conversion */ |
137 |
reverse = argv[i][0] == '-'; |
138 |
break; |
139 |
case 'n': /* non-interleaved RGB */ |
140 |
interleave = argv[i][0] == '+'; |
141 |
break; |
142 |
case 'b': /* brightness values */ |
143 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
144 |
break; |
145 |
case 'p': /* put primary */ |
146 |
switch (argv[i][2]) { |
147 |
case 'r': case 'R': putprim = RED; break; |
148 |
case 'g': case 'G': putprim = GRN; break; |
149 |
case 'b': case 'B': putprim = BLU; break; |
150 |
default: goto unkopt; |
151 |
} |
152 |
break; |
153 |
case 'd': /* data only (no indices) */ |
154 |
dataonly = argv[i][0] == '-'; |
155 |
switch (argv[i][2]) { |
156 |
case '\0': |
157 |
case 'a': /* ascii */ |
158 |
format = 'a'; |
159 |
fmtid = "ascii"; |
160 |
break; |
161 |
case 'i': /* integer */ |
162 |
format = 'i'; |
163 |
fmtid = "ascii"; |
164 |
break; |
165 |
case 'b': /* byte */ |
166 |
dataonly = 1; |
167 |
format = 'b'; |
168 |
fmtid = "byte"; |
169 |
break; |
170 |
case 'W': /* 16-bit swapped */ |
171 |
swapbytes = 1; |
172 |
case 'w': /* 16-bit */ |
173 |
dataonly = 1; |
174 |
format = 'w'; |
175 |
fmtid = "16-bit"; |
176 |
break; |
177 |
case 'f': /* float */ |
178 |
dataonly = 1; |
179 |
format = 'f'; |
180 |
fmtid = "float"; |
181 |
break; |
182 |
case 'd': /* double */ |
183 |
dataonly = 1; |
184 |
format = 'd'; |
185 |
fmtid = "double"; |
186 |
break; |
187 |
default: |
188 |
goto unkopt; |
189 |
} |
190 |
break; |
191 |
case 'x': /* x resolution */ |
192 |
case 'X': /* x resolution */ |
193 |
resolution = 0; |
194 |
if (argv[i][0] == '-') |
195 |
picres.rt |= XDECR; |
196 |
picres.xr = atoi(argv[++i]); |
197 |
break; |
198 |
case 'y': /* y resolution */ |
199 |
case 'Y': /* y resolution */ |
200 |
resolution = 0; |
201 |
if (argv[i][0] == '-') |
202 |
picres.rt |= YDECR; |
203 |
if (picres.xr == 0) |
204 |
picres.rt |= YMAJOR; |
205 |
picres.yr = atoi(argv[++i]); |
206 |
break; |
207 |
default: |
208 |
unkopt: |
209 |
fprintf(stderr, "%s: unknown option: %s\n", |
210 |
progname, argv[i]); |
211 |
quit(1); |
212 |
break; |
213 |
} |
214 |
else |
215 |
break; |
216 |
/* recognize special formats */ |
217 |
if (dataonly && format == 'b') |
218 |
if (putprim == ALL) |
219 |
fmtid = "24-bit_rgb"; |
220 |
else |
221 |
fmtid = "8-bit_grey"; |
222 |
if (dataonly && format == 'w') |
223 |
if (putprim == ALL) |
224 |
fmtid = "48-bit_rgb"; |
225 |
else |
226 |
fmtid = "16-bit_grey"; |
227 |
/* assign reverse ordering */ |
228 |
rord[ord[0]] = 0; |
229 |
rord[ord[1]] = 1; |
230 |
rord[ord[2]] = 2; |
231 |
/* get input */ |
232 |
if (i == argc) { |
233 |
fin = stdin; |
234 |
} else if (i < argc) { |
235 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
236 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
237 |
progname, argv[i]); |
238 |
quit(1); |
239 |
} |
240 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
241 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
242 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
243 |
progname, argv[i+1]); |
244 |
quit(1); |
245 |
} |
246 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
247 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
248 |
progname, argv[i+2]); |
249 |
quit(1); |
250 |
} |
251 |
interleave = -1; |
252 |
} else if (i != argc-1) |
253 |
fin = NULL; |
254 |
if (reverse && putprim != BRIGHT && !interleave) { |
255 |
fin2 = fopen(argv[i], "r"); |
256 |
fin3 = fopen(argv[i], "r"); |
257 |
} |
258 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
259 |
(fseek(fin2, skipbytes, 0) || |
260 |
fseek(fin3, skipbytes, 0))))) { |
261 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
262 |
progname, skipbytes); |
263 |
quit(1); |
264 |
} |
265 |
} |
266 |
if (fin == NULL) { |
267 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
268 |
quit(1); |
269 |
} |
270 |
|
271 |
if (reverse) { |
272 |
#ifdef _WIN32 |
273 |
SET_FILE_BINARY(stdout); |
274 |
if (format != 'a' && format != 'i') |
275 |
SET_FILE_BINARY(fin); |
276 |
#endif |
277 |
/* get header */ |
278 |
if (header) { |
279 |
if (checkheader(fin, fmtid, stdout) < 0) { |
280 |
fprintf(stderr, "%s: wrong input format\n", |
281 |
progname); |
282 |
quit(1); |
283 |
} |
284 |
if (fin2 != NULL) { |
285 |
getheader(fin2, NULL, NULL); |
286 |
getheader(fin3, NULL, NULL); |
287 |
} |
288 |
} else |
289 |
newheader("RADIANCE", stdout); |
290 |
/* get resolution */ |
291 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
292 |
picres.xr <= 0 || picres.yr <= 0) { |
293 |
fprintf(stderr, "%s: missing resolution\n", progname); |
294 |
quit(1); |
295 |
} |
296 |
if (resolution && fin2 != NULL) { |
297 |
RESOLU pres2; |
298 |
if (!fgetsresolu(&pres2, fin2) || |
299 |
pres2.rt != picres.rt || |
300 |
pres2.xr != picres.xr || |
301 |
pres2.yr != picres.yr || |
302 |
!fgetsresolu(&pres2, fin3) || |
303 |
pres2.rt != picres.rt || |
304 |
pres2.xr != picres.xr || |
305 |
pres2.yr != picres.yr) { |
306 |
fprintf(stderr, "%s: resolution mismatch\n", |
307 |
progname); |
308 |
quit(1); |
309 |
} |
310 |
} |
311 |
/* add to header */ |
312 |
printargs(i, argv, stdout); |
313 |
if (expval < .99 || expval > 1.01) |
314 |
fputexpos(expval, stdout); |
315 |
fputformat(COLRFMT, stdout); |
316 |
putchar('\n'); |
317 |
fputsresolu(&picres, stdout); /* always put resolution */ |
318 |
valtopix(); |
319 |
} else { |
320 |
#ifdef _WIN32 |
321 |
SET_FILE_BINARY(fin); |
322 |
if (format != 'a' && format != 'i') |
323 |
SET_FILE_BINARY(stdout); |
324 |
#endif |
325 |
/* get header */ |
326 |
getheader(fin, checkhead, NULL); |
327 |
if (wrongformat) { |
328 |
fprintf(stderr, |
329 |
"%s: input not a Radiance RGBE picture\n", |
330 |
progname); |
331 |
quit(1); |
332 |
} |
333 |
if (!fgetsresolu(&picres, fin)) { |
334 |
fprintf(stderr, "%s: missing resolution\n", progname); |
335 |
quit(1); |
336 |
} |
337 |
if (header) { |
338 |
printargs(i, argv, stdout); |
339 |
if (expval < .99 || expval > 1.01) |
340 |
fputexpos(expval, stdout); |
341 |
fputformat(fmtid, stdout); |
342 |
putchar('\n'); |
343 |
} |
344 |
if (resolution) /* put resolution */ |
345 |
fputsresolu(&picres, stdout); |
346 |
pixtoval(); |
347 |
} |
348 |
|
349 |
quit(0); |
350 |
} |
351 |
|
352 |
|
353 |
int |
354 |
checkhead(line) /* deal with line from header */ |
355 |
char *line; |
356 |
{ |
357 |
char fmt[32]; |
358 |
double d; |
359 |
COLOR ctmp; |
360 |
|
361 |
if (formatval(fmt, line)) { |
362 |
if (!strcmp(fmt, CIEFMT)) { |
363 |
mybright = &xyz_bright; |
364 |
if (original) { |
365 |
scalecolor(exposure, 1./WHTEFFICACY); |
366 |
doexposure++; |
367 |
} |
368 |
} else if (!strcmp(fmt, COLRFMT)) |
369 |
mybright = &rgb_bright; |
370 |
else |
371 |
wrongformat++; |
372 |
} else if (original && isexpos(line)) { |
373 |
d = 1.0/exposval(line); |
374 |
scalecolor(exposure, d); |
375 |
doexposure++; |
376 |
} else if (original && iscolcor(line)) { |
377 |
colcorval(ctmp, line); |
378 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
379 |
colval(exposure,GRN)/colval(ctmp,GRN), |
380 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
381 |
doexposure++; |
382 |
} else if (header) |
383 |
fputs(line, stdout); |
384 |
return(0); |
385 |
} |
386 |
|
387 |
|
388 |
pixtoval() /* convert picture to values */ |
389 |
{ |
390 |
register COLOR *scanln; |
391 |
int dogamma; |
392 |
COLOR lastc; |
393 |
FLOAT hv[2]; |
394 |
int startprim, endprim; |
395 |
long startpos; |
396 |
int y; |
397 |
register int x; |
398 |
|
399 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
400 |
if (scanln == NULL) { |
401 |
fprintf(stderr, "%s: out of memory\n", progname); |
402 |
quit(1); |
403 |
} |
404 |
dogamma = gamcor < .95 || gamcor > 1.05; |
405 |
if (putprim == ALL && !interleave) { |
406 |
startprim = RED; endprim = BLU; |
407 |
startpos = ftell(fin); |
408 |
} else { |
409 |
startprim = putprim; endprim = putprim; |
410 |
} |
411 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
412 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
413 |
fprintf(stderr, "%s: seek error on input file\n", |
414 |
progname); |
415 |
quit(1); |
416 |
} |
417 |
set_io(); |
418 |
setcolor(lastc, 0.0, 0.0, 0.0); |
419 |
for (y = 0; y < numscans(&picres); y++) { |
420 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
421 |
fprintf(stderr, "%s: read error\n", progname); |
422 |
quit(1); |
423 |
} |
424 |
for (x = 0; x < scanlen(&picres); x++) { |
425 |
if (uniq) |
426 |
if ( colval(scanln[x],RED) == |
427 |
colval(lastc,RED) && |
428 |
colval(scanln[x],GRN) == |
429 |
colval(lastc,GRN) && |
430 |
colval(scanln[x],BLU) == |
431 |
colval(lastc,BLU) ) |
432 |
continue; |
433 |
else |
434 |
copycolor(lastc, scanln[x]); |
435 |
if (doexposure) |
436 |
multcolor(scanln[x], exposure); |
437 |
if (dogamma) |
438 |
setcolor(scanln[x], |
439 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
440 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
441 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
442 |
if (!dataonly) { |
443 |
pix2loc(hv, &picres, x, y); |
444 |
printf("%7d %7d ", |
445 |
(int)(hv[0]*picres.xr), |
446 |
(int)(hv[1]*picres.yr)); |
447 |
} |
448 |
if ((*putval)(scanln[x]) < 0) { |
449 |
fprintf(stderr, "%s: write error\n", |
450 |
progname); |
451 |
quit(1); |
452 |
} |
453 |
} |
454 |
} |
455 |
} |
456 |
free((void *)scanln); |
457 |
} |
458 |
|
459 |
|
460 |
valtopix() /* convert values to a pixel file */ |
461 |
{ |
462 |
int dogamma; |
463 |
register COLOR *scanln; |
464 |
int y; |
465 |
register int x; |
466 |
|
467 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
468 |
if (scanln == NULL) { |
469 |
fprintf(stderr, "%s: out of memory\n", progname); |
470 |
quit(1); |
471 |
} |
472 |
dogamma = gamcor < .95 || gamcor > 1.05; |
473 |
set_io(); |
474 |
for (y = 0; y < numscans(&picres); y++) { |
475 |
for (x = 0; x < scanlen(&picres); x++) { |
476 |
if (!dataonly) { |
477 |
fscanf(fin, "%*d %*d"); |
478 |
if (fin2 != NULL) { |
479 |
fscanf(fin2, "%*d %*d"); |
480 |
fscanf(fin3, "%*d %*d"); |
481 |
} |
482 |
} |
483 |
if ((*getval)(scanln[x]) < 0) { |
484 |
fprintf(stderr, "%s: read error\n", progname); |
485 |
quit(1); |
486 |
} |
487 |
if (dogamma) |
488 |
setcolor(scanln[x], |
489 |
pow(colval(scanln[x],RED), gamcor), |
490 |
pow(colval(scanln[x],GRN), gamcor), |
491 |
pow(colval(scanln[x],BLU), gamcor)); |
492 |
if (doexposure) |
493 |
multcolor(scanln[x], exposure); |
494 |
} |
495 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
496 |
fprintf(stderr, "%s: write error\n", progname); |
497 |
quit(1); |
498 |
} |
499 |
} |
500 |
free((void *)scanln); |
501 |
} |
502 |
|
503 |
|
504 |
void |
505 |
quit(code) |
506 |
int code; |
507 |
{ |
508 |
exit(code); |
509 |
} |
510 |
|
511 |
|
512 |
swap16(wp, n) /* swap n 16-bit words */ |
513 |
register uint16 *wp; |
514 |
int n; |
515 |
{ |
516 |
while (n-- > 0) { |
517 |
*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
518 |
wp++; |
519 |
} |
520 |
} |
521 |
|
522 |
getcascii(col) /* get an ascii color value from stream(s) */ |
523 |
COLOR col; |
524 |
{ |
525 |
double vd[3]; |
526 |
|
527 |
if (fin2 == NULL) { |
528 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
529 |
return(-1); |
530 |
} else { |
531 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
532 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
533 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
534 |
return(-1); |
535 |
} |
536 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
537 |
return(0); |
538 |
} |
539 |
|
540 |
|
541 |
getcdouble(col) /* get a double color value from stream(s) */ |
542 |
COLOR col; |
543 |
{ |
544 |
double vd[3]; |
545 |
|
546 |
if (fin2 == NULL) { |
547 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
548 |
return(-1); |
549 |
} else { |
550 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
551 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
552 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
553 |
return(-1); |
554 |
} |
555 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
556 |
return(0); |
557 |
} |
558 |
|
559 |
|
560 |
getcfloat(col) /* get a float color value from stream(s) */ |
561 |
COLOR col; |
562 |
{ |
563 |
float vf[3]; |
564 |
|
565 |
if (fin2 == NULL) { |
566 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
567 |
return(-1); |
568 |
} else { |
569 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
570 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
571 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
572 |
return(-1); |
573 |
} |
574 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
575 |
return(0); |
576 |
} |
577 |
|
578 |
|
579 |
getcint(col) /* get an int color value from stream(s) */ |
580 |
COLOR col; |
581 |
{ |
582 |
int vi[3]; |
583 |
|
584 |
if (fin2 == NULL) { |
585 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
586 |
return(-1); |
587 |
} else { |
588 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
589 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
590 |
fscanf(fin3, "%d", &vi[2]) != 1) |
591 |
return(-1); |
592 |
} |
593 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
594 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
595 |
return(0); |
596 |
} |
597 |
|
598 |
|
599 |
getcbyte(col) /* get a byte color value from stream(s) */ |
600 |
COLOR col; |
601 |
{ |
602 |
BYTE vb[3]; |
603 |
|
604 |
if (fin2 == NULL) { |
605 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
606 |
return(-1); |
607 |
} else { |
608 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
609 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
610 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
611 |
return(-1); |
612 |
} |
613 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
614 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
615 |
return(0); |
616 |
} |
617 |
|
618 |
|
619 |
getcword(col) /* get a 16-bit color value from stream(s) */ |
620 |
COLOR col; |
621 |
{ |
622 |
uint16 vw[3]; |
623 |
|
624 |
if (fin2 == NULL) { |
625 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
626 |
return(-1); |
627 |
} else { |
628 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
629 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
630 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
631 |
return(-1); |
632 |
} |
633 |
if (swapbytes) |
634 |
swap16(vw, 3); |
635 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
636 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
637 |
return(0); |
638 |
} |
639 |
|
640 |
|
641 |
getbascii(col) /* get an ascii brightness value from fin */ |
642 |
COLOR col; |
643 |
{ |
644 |
double vd; |
645 |
|
646 |
if (fscanf(fin, "%lf", &vd) != 1) |
647 |
return(-1); |
648 |
setcolor(col, vd, vd, vd); |
649 |
return(0); |
650 |
} |
651 |
|
652 |
|
653 |
getbdouble(col) /* get a double brightness value from fin */ |
654 |
COLOR col; |
655 |
{ |
656 |
double vd; |
657 |
|
658 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
659 |
return(-1); |
660 |
setcolor(col, vd, vd, vd); |
661 |
return(0); |
662 |
} |
663 |
|
664 |
|
665 |
getbfloat(col) /* get a float brightness value from fin */ |
666 |
COLOR col; |
667 |
{ |
668 |
float vf; |
669 |
|
670 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
671 |
return(-1); |
672 |
setcolor(col, vf, vf, vf); |
673 |
return(0); |
674 |
} |
675 |
|
676 |
|
677 |
getbint(col) /* get an int brightness value from fin */ |
678 |
COLOR col; |
679 |
{ |
680 |
int vi; |
681 |
double d; |
682 |
|
683 |
if (fscanf(fin, "%d", &vi) != 1) |
684 |
return(-1); |
685 |
d = (vi+.5)/256.; |
686 |
setcolor(col, d, d, d); |
687 |
return(0); |
688 |
} |
689 |
|
690 |
|
691 |
getbbyte(col) /* get a byte brightness value from fin */ |
692 |
COLOR col; |
693 |
{ |
694 |
BYTE vb; |
695 |
double d; |
696 |
|
697 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
698 |
return(-1); |
699 |
d = (vb+.5)/256.; |
700 |
setcolor(col, d, d, d); |
701 |
return(0); |
702 |
} |
703 |
|
704 |
|
705 |
getbword(col) /* get a 16-bit brightness value from fin */ |
706 |
COLOR col; |
707 |
{ |
708 |
uint16 vw; |
709 |
double d; |
710 |
|
711 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
712 |
return(-1); |
713 |
if (swapbytes) |
714 |
swap16(&vw, 1); |
715 |
d = (vw+.5)/65536.; |
716 |
setcolor(col, d, d, d); |
717 |
return(0); |
718 |
} |
719 |
|
720 |
|
721 |
putcascii(col) /* put an ascii color to stdout */ |
722 |
COLOR col; |
723 |
{ |
724 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
725 |
colval(col,ord[0]), |
726 |
colval(col,ord[1]), |
727 |
colval(col,ord[2])); |
728 |
|
729 |
return(ferror(stdout) ? -1 : 0); |
730 |
} |
731 |
|
732 |
|
733 |
putcfloat(col) /* put a float color to stdout */ |
734 |
COLOR col; |
735 |
{ |
736 |
float vf[3]; |
737 |
|
738 |
vf[0] = colval(col,ord[0]); |
739 |
vf[1] = colval(col,ord[1]); |
740 |
vf[2] = colval(col,ord[2]); |
741 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
742 |
|
743 |
return(ferror(stdout) ? -1 : 0); |
744 |
} |
745 |
|
746 |
|
747 |
putcdouble(col) /* put a double color to stdout */ |
748 |
COLOR col; |
749 |
{ |
750 |
double vd[3]; |
751 |
|
752 |
vd[0] = colval(col,ord[0]); |
753 |
vd[1] = colval(col,ord[1]); |
754 |
vd[2] = colval(col,ord[2]); |
755 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
756 |
|
757 |
return(ferror(stdout) ? -1 : 0); |
758 |
} |
759 |
|
760 |
|
761 |
putcint(col) /* put an int color to stdout */ |
762 |
COLOR col; |
763 |
{ |
764 |
fprintf(stdout, "%d %d %d\n", |
765 |
(int)(colval(col,ord[0])*256.), |
766 |
(int)(colval(col,ord[1])*256.), |
767 |
(int)(colval(col,ord[2])*256.)); |
768 |
|
769 |
return(ferror(stdout) ? -1 : 0); |
770 |
} |
771 |
|
772 |
|
773 |
putcbyte(col) /* put a byte color to stdout */ |
774 |
COLOR col; |
775 |
{ |
776 |
long i; |
777 |
BYTE vb[3]; |
778 |
|
779 |
i = colval(col,ord[0])*256.; |
780 |
vb[0] = min(i,255); |
781 |
i = colval(col,ord[1])*256.; |
782 |
vb[1] = min(i,255); |
783 |
i = colval(col,ord[2])*256.; |
784 |
vb[2] = min(i,255); |
785 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
786 |
|
787 |
return(ferror(stdout) ? -1 : 0); |
788 |
} |
789 |
|
790 |
|
791 |
putcword(col) /* put a 16-bit color to stdout */ |
792 |
COLOR col; |
793 |
{ |
794 |
long i; |
795 |
uint16 vw[3]; |
796 |
|
797 |
i = colval(col,ord[0])*65536.; |
798 |
vw[0] = min(i,65535); |
799 |
i = colval(col,ord[1])*65536.; |
800 |
vw[1] = min(i,65535); |
801 |
i = colval(col,ord[2])*65536.; |
802 |
vw[2] = min(i,65535); |
803 |
if (swapbytes) |
804 |
swap16(vw, 3); |
805 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
806 |
|
807 |
return(ferror(stdout) ? -1 : 0); |
808 |
} |
809 |
|
810 |
|
811 |
putbascii(col) /* put an ascii brightness to stdout */ |
812 |
COLOR col; |
813 |
{ |
814 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
815 |
|
816 |
return(ferror(stdout) ? -1 : 0); |
817 |
} |
818 |
|
819 |
|
820 |
putbfloat(col) /* put a float brightness to stdout */ |
821 |
COLOR col; |
822 |
{ |
823 |
float vf; |
824 |
|
825 |
vf = (*mybright)(col); |
826 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
827 |
|
828 |
return(ferror(stdout) ? -1 : 0); |
829 |
} |
830 |
|
831 |
|
832 |
putbdouble(col) /* put a double brightness to stdout */ |
833 |
COLOR col; |
834 |
{ |
835 |
double vd; |
836 |
|
837 |
vd = (*mybright)(col); |
838 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
839 |
|
840 |
return(ferror(stdout) ? -1 : 0); |
841 |
} |
842 |
|
843 |
|
844 |
putbint(col) /* put an int brightness to stdout */ |
845 |
COLOR col; |
846 |
{ |
847 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
848 |
|
849 |
return(ferror(stdout) ? -1 : 0); |
850 |
} |
851 |
|
852 |
|
853 |
putbbyte(col) /* put a byte brightness to stdout */ |
854 |
COLOR col; |
855 |
{ |
856 |
register int i; |
857 |
BYTE vb; |
858 |
|
859 |
i = (*mybright)(col)*256.; |
860 |
vb = min(i,255); |
861 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
862 |
|
863 |
return(ferror(stdout) ? -1 : 0); |
864 |
} |
865 |
|
866 |
|
867 |
putbword(col) /* put a 16-bit brightness to stdout */ |
868 |
COLOR col; |
869 |
{ |
870 |
long i; |
871 |
uint16 vw; |
872 |
|
873 |
i = (*mybright)(col)*65536.; |
874 |
vw = min(i,65535); |
875 |
if (swapbytes) |
876 |
swap16(&vw, 1); |
877 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
878 |
|
879 |
return(ferror(stdout) ? -1 : 0); |
880 |
} |
881 |
|
882 |
|
883 |
putpascii(col) /* put an ascii primary to stdout */ |
884 |
COLOR col; |
885 |
{ |
886 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
887 |
|
888 |
return(ferror(stdout) ? -1 : 0); |
889 |
} |
890 |
|
891 |
|
892 |
putpfloat(col) /* put a float primary to stdout */ |
893 |
COLOR col; |
894 |
{ |
895 |
float vf; |
896 |
|
897 |
vf = colval(col,putprim); |
898 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
899 |
|
900 |
return(ferror(stdout) ? -1 : 0); |
901 |
} |
902 |
|
903 |
|
904 |
putpdouble(col) /* put a double primary to stdout */ |
905 |
COLOR col; |
906 |
{ |
907 |
double vd; |
908 |
|
909 |
vd = colval(col,putprim); |
910 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
911 |
|
912 |
return(ferror(stdout) ? -1 : 0); |
913 |
} |
914 |
|
915 |
|
916 |
putpint(col) /* put an int primary to stdout */ |
917 |
COLOR col; |
918 |
{ |
919 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
920 |
|
921 |
return(ferror(stdout) ? -1 : 0); |
922 |
} |
923 |
|
924 |
|
925 |
putpbyte(col) /* put a byte primary to stdout */ |
926 |
COLOR col; |
927 |
{ |
928 |
long i; |
929 |
BYTE vb; |
930 |
|
931 |
i = colval(col,putprim)*256.; |
932 |
vb = min(i,255); |
933 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
934 |
|
935 |
return(ferror(stdout) ? -1 : 0); |
936 |
} |
937 |
|
938 |
|
939 |
putpword(col) /* put a 16-bit primary to stdout */ |
940 |
COLOR col; |
941 |
{ |
942 |
long i; |
943 |
uint16 vw; |
944 |
|
945 |
i = colval(col,putprim)*65536.; |
946 |
vw = min(i,65535); |
947 |
if (swapbytes) |
948 |
swap16(&vw, 1); |
949 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
950 |
|
951 |
return(ferror(stdout) ? -1 : 0); |
952 |
} |
953 |
|
954 |
|
955 |
set_io() /* set put and get functions */ |
956 |
{ |
957 |
switch (format) { |
958 |
case 'a': /* ascii */ |
959 |
if (putprim == BRIGHT) { |
960 |
getval = getbascii; |
961 |
putval = putbascii; |
962 |
} else if (putprim != ALL) { |
963 |
getval = getbascii; |
964 |
putval = putpascii; |
965 |
} else { |
966 |
getval = getcascii; |
967 |
putval = putcascii; |
968 |
if (reverse && !interleave) { |
969 |
fprintf(stderr, |
970 |
"%s: ASCII input files must be interleaved\n", |
971 |
progname); |
972 |
quit(1); |
973 |
} |
974 |
} |
975 |
return; |
976 |
case 'f': /* binary float */ |
977 |
if (putprim == BRIGHT) { |
978 |
getval = getbfloat; |
979 |
putval = putbfloat; |
980 |
} else if (putprim != ALL) { |
981 |
getval = getbfloat; |
982 |
putval = putpfloat; |
983 |
} else { |
984 |
getval = getcfloat; |
985 |
putval = putcfloat; |
986 |
if (reverse && !interleave) { |
987 |
if (fin2 == NULL) |
988 |
goto namerr; |
989 |
if (fseek(fin2, |
990 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
991 |
goto seekerr; |
992 |
if (fseek(fin3, |
993 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
994 |
goto seekerr; |
995 |
} |
996 |
} |
997 |
return; |
998 |
case 'd': /* binary double */ |
999 |
if (putprim == BRIGHT) { |
1000 |
getval = getbdouble; |
1001 |
putval = putbdouble; |
1002 |
} else if (putprim != ALL) { |
1003 |
getval = getbdouble; |
1004 |
putval = putpdouble; |
1005 |
} else { |
1006 |
getval = getcdouble; |
1007 |
putval = putcdouble; |
1008 |
if (reverse && !interleave) { |
1009 |
if (fin2 == NULL) |
1010 |
goto namerr; |
1011 |
if (fseek(fin2, |
1012 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
1013 |
goto seekerr; |
1014 |
if (fseek(fin3, |
1015 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
1016 |
goto seekerr; |
1017 |
} |
1018 |
} |
1019 |
return; |
1020 |
case 'i': /* integer */ |
1021 |
if (putprim == BRIGHT) { |
1022 |
getval = getbint; |
1023 |
putval = putbint; |
1024 |
} else if (putprim != ALL) { |
1025 |
getval = getbint; |
1026 |
putval = putpint; |
1027 |
} else { |
1028 |
getval = getcint; |
1029 |
putval = putcint; |
1030 |
if (reverse && !interleave) { |
1031 |
fprintf(stderr, |
1032 |
"%s: integer input files must be interleaved\n", |
1033 |
progname); |
1034 |
quit(1); |
1035 |
} |
1036 |
} |
1037 |
return; |
1038 |
case 'b': /* byte */ |
1039 |
if (putprim == BRIGHT) { |
1040 |
getval = getbbyte; |
1041 |
putval = putbbyte; |
1042 |
} else if (putprim != ALL) { |
1043 |
getval = getbbyte; |
1044 |
putval = putpbyte; |
1045 |
} else { |
1046 |
getval = getcbyte; |
1047 |
putval = putcbyte; |
1048 |
if (reverse && !interleave) { |
1049 |
if (fin2 == NULL) |
1050 |
goto namerr; |
1051 |
if (fseek(fin2, |
1052 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
1053 |
goto seekerr; |
1054 |
if (fseek(fin3, |
1055 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1056 |
goto seekerr; |
1057 |
} |
1058 |
} |
1059 |
return; |
1060 |
case 'w': /* 16-bit */ |
1061 |
if (putprim == BRIGHT) { |
1062 |
getval = getbword; |
1063 |
putval = putbword; |
1064 |
} else if (putprim != ALL) { |
1065 |
getval = getbword; |
1066 |
putval = putpword; |
1067 |
} else { |
1068 |
getval = getcword; |
1069 |
putval = putcword; |
1070 |
if (reverse && !interleave) { |
1071 |
if (fin2 == NULL) |
1072 |
goto namerr; |
1073 |
if (fseek(fin2, |
1074 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1075 |
goto seekerr; |
1076 |
if (fseek(fin3, |
1077 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1078 |
goto seekerr; |
1079 |
} |
1080 |
} |
1081 |
return; |
1082 |
} |
1083 |
badopt: |
1084 |
fprintf(stderr, "%s: botched file type\n", progname); |
1085 |
quit(1); |
1086 |
namerr: |
1087 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1088 |
progname); |
1089 |
quit(1); |
1090 |
seekerr: |
1091 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1092 |
progname); |
1093 |
quit(1); |
1094 |
} |