1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.18 2003/06/05 19:29:34 schorsch 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 "platform.h" |
14 |
#include "color.h" |
15 |
#include "resolu.h" |
16 |
|
17 |
typedef unsigned short uint16; /* sizeof (uint16) must == 2 */ |
18 |
|
19 |
#define min(a,b) ((a)<(b)?(a):(b)) |
20 |
|
21 |
/* what to put out (also RED, GRN, BLU) */ |
22 |
#define ALL 3 |
23 |
#define BRIGHT 4 |
24 |
|
25 |
RESOLU picres; /* resolution of picture */ |
26 |
|
27 |
int uniq = 0; /* print only unique values? */ |
28 |
|
29 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
30 |
|
31 |
int dataonly = 0; /* data only format? */ |
32 |
|
33 |
int putprim = ALL; /* what to put out */ |
34 |
|
35 |
int reverse = 0; /* reverse conversion? */ |
36 |
|
37 |
int format = 'a'; /* input/output format */ |
38 |
char *fmtid = "ascii"; /* format identifier for header */ |
39 |
|
40 |
int header = 1; /* do header? */ |
41 |
|
42 |
long skipbytes = 0; /* skip bytes in input? */ |
43 |
|
44 |
int swapbytes = 0; /* swap bytes in 16-bit words? */ |
45 |
|
46 |
int interleave = 1; /* file is interleaved? */ |
47 |
|
48 |
int resolution = 1; /* put/get resolution string? */ |
49 |
|
50 |
int original = 0; /* convert to original values? */ |
51 |
|
52 |
int wrongformat = 0; /* wrong input format? */ |
53 |
|
54 |
double gamcor = 1.0; /* gamma correction */ |
55 |
|
56 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
57 |
int rord[4]; /* reverse ordering */ |
58 |
|
59 |
COLOR exposure = WHTCOLOR; |
60 |
|
61 |
char *progname; |
62 |
|
63 |
FILE *fin; |
64 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
65 |
|
66 |
int (*getval)(), (*putval)(); |
67 |
|
68 |
double |
69 |
rgb_bright(clr) |
70 |
COLOR clr; |
71 |
{ |
72 |
return(bright(clr)); |
73 |
} |
74 |
|
75 |
double |
76 |
xyz_bright(clr) |
77 |
COLOR clr; |
78 |
{ |
79 |
return(clr[CIEY]); |
80 |
} |
81 |
|
82 |
double (*mybright)() = &rgb_bright; |
83 |
|
84 |
|
85 |
main(argc, argv) |
86 |
int argc; |
87 |
char **argv; |
88 |
{ |
89 |
extern int checkhead(); |
90 |
extern long atol(); |
91 |
double d, expval = 1.0; |
92 |
int i; |
93 |
|
94 |
progname = argv[0]; |
95 |
|
96 |
for (i = 1; i < argc; i++) |
97 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
98 |
switch (argv[i][1]) { |
99 |
case 'h': /* header */ |
100 |
header = argv[i][0] == '+'; |
101 |
break; |
102 |
case 'H': /* resolution string */ |
103 |
resolution = argv[i][0] == '+'; |
104 |
break; |
105 |
case 's': /* skip bytes in header */ |
106 |
skipbytes = atol(argv[++i]); |
107 |
break; |
108 |
case 'u': /* unique values */ |
109 |
uniq = argv[i][0] == '-'; |
110 |
break; |
111 |
case 'o': /* original values */ |
112 |
original = argv[i][0] == '-'; |
113 |
break; |
114 |
case 'g': /* gamma correction */ |
115 |
gamcor = atof(argv[i+1]); |
116 |
if (argv[i][0] == '+') |
117 |
gamcor = 1.0/gamcor; |
118 |
i++; |
119 |
break; |
120 |
case 'e': /* exposure correction */ |
121 |
d = atof(argv[i+1]); |
122 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
123 |
d = pow(2.0, d); |
124 |
if (argv[i][0] == '-') |
125 |
expval *= d; |
126 |
scalecolor(exposure, d); |
127 |
doexposure++; |
128 |
i++; |
129 |
break; |
130 |
case 'R': /* reverse byte sequence */ |
131 |
if (argv[i][0] == '-') { |
132 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
133 |
} else { |
134 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
135 |
} |
136 |
break; |
137 |
case 'r': /* reverse conversion */ |
138 |
reverse = argv[i][0] == '-'; |
139 |
break; |
140 |
case 'n': /* non-interleaved RGB */ |
141 |
interleave = argv[i][0] == '+'; |
142 |
break; |
143 |
case 'b': /* brightness values */ |
144 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
145 |
break; |
146 |
case 'p': /* put primary */ |
147 |
switch (argv[i][2]) { |
148 |
case 'r': case 'R': putprim = RED; break; |
149 |
case 'g': case 'G': putprim = GRN; break; |
150 |
case 'b': case 'B': putprim = BLU; break; |
151 |
default: goto unkopt; |
152 |
} |
153 |
break; |
154 |
case 'd': /* data only (no indices) */ |
155 |
dataonly = argv[i][0] == '-'; |
156 |
switch (argv[i][2]) { |
157 |
case '\0': |
158 |
case 'a': /* ascii */ |
159 |
format = 'a'; |
160 |
fmtid = "ascii"; |
161 |
break; |
162 |
case 'i': /* integer */ |
163 |
format = 'i'; |
164 |
fmtid = "ascii"; |
165 |
break; |
166 |
case 'b': /* byte */ |
167 |
dataonly = 1; |
168 |
format = 'b'; |
169 |
fmtid = "byte"; |
170 |
break; |
171 |
case 'W': /* 16-bit swapped */ |
172 |
swapbytes = 1; |
173 |
case 'w': /* 16-bit */ |
174 |
dataonly = 1; |
175 |
format = 'w'; |
176 |
fmtid = "16-bit"; |
177 |
break; |
178 |
case 'f': /* float */ |
179 |
dataonly = 1; |
180 |
format = 'f'; |
181 |
fmtid = "float"; |
182 |
break; |
183 |
case 'd': /* double */ |
184 |
dataonly = 1; |
185 |
format = 'd'; |
186 |
fmtid = "double"; |
187 |
break; |
188 |
default: |
189 |
goto unkopt; |
190 |
} |
191 |
break; |
192 |
case 'x': /* x resolution */ |
193 |
case 'X': /* x resolution */ |
194 |
resolution = 0; |
195 |
if (argv[i][0] == '-') |
196 |
picres.rt |= XDECR; |
197 |
picres.xr = atoi(argv[++i]); |
198 |
break; |
199 |
case 'y': /* y resolution */ |
200 |
case 'Y': /* y resolution */ |
201 |
resolution = 0; |
202 |
if (argv[i][0] == '-') |
203 |
picres.rt |= YDECR; |
204 |
if (picres.xr == 0) |
205 |
picres.rt |= YMAJOR; |
206 |
picres.yr = atoi(argv[++i]); |
207 |
break; |
208 |
default: |
209 |
unkopt: |
210 |
fprintf(stderr, "%s: unknown option: %s\n", |
211 |
progname, argv[i]); |
212 |
quit(1); |
213 |
break; |
214 |
} |
215 |
else |
216 |
break; |
217 |
/* recognize special formats */ |
218 |
if (dataonly && format == 'b') |
219 |
if (putprim == ALL) |
220 |
fmtid = "24-bit_rgb"; |
221 |
else |
222 |
fmtid = "8-bit_grey"; |
223 |
if (dataonly && format == 'w') |
224 |
if (putprim == ALL) |
225 |
fmtid = "48-bit_rgb"; |
226 |
else |
227 |
fmtid = "16-bit_grey"; |
228 |
/* assign reverse ordering */ |
229 |
rord[ord[0]] = 0; |
230 |
rord[ord[1]] = 1; |
231 |
rord[ord[2]] = 2; |
232 |
/* get input */ |
233 |
if (i == argc) { |
234 |
fin = stdin; |
235 |
} else if (i < argc) { |
236 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
237 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
238 |
progname, argv[i]); |
239 |
quit(1); |
240 |
} |
241 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
242 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
243 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
244 |
progname, argv[i+1]); |
245 |
quit(1); |
246 |
} |
247 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
248 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
249 |
progname, argv[i+2]); |
250 |
quit(1); |
251 |
} |
252 |
interleave = -1; |
253 |
} else if (i != argc-1) |
254 |
fin = NULL; |
255 |
if (reverse && putprim != BRIGHT && !interleave) { |
256 |
fin2 = fopen(argv[i], "r"); |
257 |
fin3 = fopen(argv[i], "r"); |
258 |
} |
259 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
260 |
(fseek(fin2, skipbytes, 0) || |
261 |
fseek(fin3, skipbytes, 0))))) { |
262 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
263 |
progname, skipbytes); |
264 |
quit(1); |
265 |
} |
266 |
} |
267 |
if (fin == NULL) { |
268 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
269 |
quit(1); |
270 |
} |
271 |
|
272 |
if (reverse) { |
273 |
#ifdef _WIN32 |
274 |
SET_FILE_BINARY(stdout); |
275 |
if (format != 'a' && format != 'i') |
276 |
SET_FILE_BINARY(fin); |
277 |
#endif |
278 |
/* get header */ |
279 |
if (header) { |
280 |
if (checkheader(fin, fmtid, stdout) < 0) { |
281 |
fprintf(stderr, "%s: wrong input format\n", |
282 |
progname); |
283 |
quit(1); |
284 |
} |
285 |
if (fin2 != NULL) { |
286 |
getheader(fin2, NULL, NULL); |
287 |
getheader(fin3, NULL, NULL); |
288 |
} |
289 |
} else |
290 |
newheader("RADIANCE", stdout); |
291 |
/* get resolution */ |
292 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
293 |
picres.xr <= 0 || picres.yr <= 0) { |
294 |
fprintf(stderr, "%s: missing resolution\n", progname); |
295 |
quit(1); |
296 |
} |
297 |
if (resolution && fin2 != NULL) { |
298 |
RESOLU pres2; |
299 |
if (!fgetsresolu(&pres2, fin2) || |
300 |
pres2.rt != picres.rt || |
301 |
pres2.xr != picres.xr || |
302 |
pres2.yr != picres.yr || |
303 |
!fgetsresolu(&pres2, fin3) || |
304 |
pres2.rt != picres.rt || |
305 |
pres2.xr != picres.xr || |
306 |
pres2.yr != picres.yr) { |
307 |
fprintf(stderr, "%s: resolution mismatch\n", |
308 |
progname); |
309 |
quit(1); |
310 |
} |
311 |
} |
312 |
/* add to header */ |
313 |
printargs(i, argv, stdout); |
314 |
if (expval < .99 || expval > 1.01) |
315 |
fputexpos(expval, stdout); |
316 |
fputformat(COLRFMT, stdout); |
317 |
putchar('\n'); |
318 |
fputsresolu(&picres, stdout); /* always put resolution */ |
319 |
valtopix(); |
320 |
} else { |
321 |
#ifdef _WIN32 |
322 |
SET_FILE_BINARY(fin); |
323 |
if (format != 'a' && format != 'i') |
324 |
SET_FILE_BINARY(stdout); |
325 |
#endif |
326 |
/* get header */ |
327 |
getheader(fin, checkhead, NULL); |
328 |
if (wrongformat) { |
329 |
fprintf(stderr, |
330 |
"%s: input not a Radiance RGBE picture\n", |
331 |
progname); |
332 |
quit(1); |
333 |
} |
334 |
if (!fgetsresolu(&picres, fin)) { |
335 |
fprintf(stderr, "%s: missing resolution\n", progname); |
336 |
quit(1); |
337 |
} |
338 |
if (header) { |
339 |
printargs(i, argv, stdout); |
340 |
if (expval < .99 || expval > 1.01) |
341 |
fputexpos(expval, stdout); |
342 |
fputformat(fmtid, stdout); |
343 |
putchar('\n'); |
344 |
} |
345 |
if (resolution) /* put resolution */ |
346 |
fputsresolu(&picres, stdout); |
347 |
pixtoval(); |
348 |
} |
349 |
|
350 |
quit(0); |
351 |
} |
352 |
|
353 |
|
354 |
int |
355 |
checkhead(line) /* deal with line from header */ |
356 |
char *line; |
357 |
{ |
358 |
char fmt[32]; |
359 |
double d; |
360 |
COLOR ctmp; |
361 |
|
362 |
if (formatval(fmt, line)) { |
363 |
if (!strcmp(fmt, CIEFMT)) { |
364 |
mybright = &xyz_bright; |
365 |
if (original) { |
366 |
scalecolor(exposure, 1./WHTEFFICACY); |
367 |
doexposure++; |
368 |
} |
369 |
} else if (!strcmp(fmt, COLRFMT)) |
370 |
mybright = &rgb_bright; |
371 |
else |
372 |
wrongformat++; |
373 |
} else if (original && isexpos(line)) { |
374 |
d = 1.0/exposval(line); |
375 |
scalecolor(exposure, d); |
376 |
doexposure++; |
377 |
} else if (original && iscolcor(line)) { |
378 |
colcorval(ctmp, line); |
379 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
380 |
colval(exposure,GRN)/colval(ctmp,GRN), |
381 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
382 |
doexposure++; |
383 |
} else if (header) |
384 |
fputs(line, stdout); |
385 |
return(0); |
386 |
} |
387 |
|
388 |
|
389 |
pixtoval() /* convert picture to values */ |
390 |
{ |
391 |
register COLOR *scanln; |
392 |
int dogamma; |
393 |
COLOR lastc; |
394 |
FLOAT hv[2]; |
395 |
int startprim, endprim; |
396 |
long startpos; |
397 |
int y; |
398 |
register int x; |
399 |
|
400 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
401 |
if (scanln == NULL) { |
402 |
fprintf(stderr, "%s: out of memory\n", progname); |
403 |
quit(1); |
404 |
} |
405 |
dogamma = gamcor < .95 || gamcor > 1.05; |
406 |
if (putprim == ALL && !interleave) { |
407 |
startprim = RED; endprim = BLU; |
408 |
startpos = ftell(fin); |
409 |
} else { |
410 |
startprim = putprim; endprim = putprim; |
411 |
} |
412 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
413 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
414 |
fprintf(stderr, "%s: seek error on input file\n", |
415 |
progname); |
416 |
quit(1); |
417 |
} |
418 |
set_io(); |
419 |
setcolor(lastc, 0.0, 0.0, 0.0); |
420 |
for (y = 0; y < numscans(&picres); y++) { |
421 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
422 |
fprintf(stderr, "%s: read error\n", progname); |
423 |
quit(1); |
424 |
} |
425 |
for (x = 0; x < scanlen(&picres); x++) { |
426 |
if (uniq) |
427 |
if ( colval(scanln[x],RED) == |
428 |
colval(lastc,RED) && |
429 |
colval(scanln[x],GRN) == |
430 |
colval(lastc,GRN) && |
431 |
colval(scanln[x],BLU) == |
432 |
colval(lastc,BLU) ) |
433 |
continue; |
434 |
else |
435 |
copycolor(lastc, scanln[x]); |
436 |
if (doexposure) |
437 |
multcolor(scanln[x], exposure); |
438 |
if (dogamma) |
439 |
setcolor(scanln[x], |
440 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
441 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
442 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
443 |
if (!dataonly) { |
444 |
pix2loc(hv, &picres, x, y); |
445 |
printf("%7d %7d ", |
446 |
(int)(hv[0]*picres.xr), |
447 |
(int)(hv[1]*picres.yr)); |
448 |
} |
449 |
if ((*putval)(scanln[x]) < 0) { |
450 |
fprintf(stderr, "%s: write error\n", |
451 |
progname); |
452 |
quit(1); |
453 |
} |
454 |
} |
455 |
} |
456 |
} |
457 |
free((void *)scanln); |
458 |
} |
459 |
|
460 |
|
461 |
valtopix() /* convert values to a pixel file */ |
462 |
{ |
463 |
int dogamma; |
464 |
register COLOR *scanln; |
465 |
int y; |
466 |
register int x; |
467 |
|
468 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
469 |
if (scanln == NULL) { |
470 |
fprintf(stderr, "%s: out of memory\n", progname); |
471 |
quit(1); |
472 |
} |
473 |
dogamma = gamcor < .95 || gamcor > 1.05; |
474 |
set_io(); |
475 |
for (y = 0; y < numscans(&picres); y++) { |
476 |
for (x = 0; x < scanlen(&picres); x++) { |
477 |
if (!dataonly) { |
478 |
fscanf(fin, "%*d %*d"); |
479 |
if (fin2 != NULL) { |
480 |
fscanf(fin2, "%*d %*d"); |
481 |
fscanf(fin3, "%*d %*d"); |
482 |
} |
483 |
} |
484 |
if ((*getval)(scanln[x]) < 0) { |
485 |
fprintf(stderr, "%s: read error\n", progname); |
486 |
quit(1); |
487 |
} |
488 |
if (dogamma) |
489 |
setcolor(scanln[x], |
490 |
pow(colval(scanln[x],RED), gamcor), |
491 |
pow(colval(scanln[x],GRN), gamcor), |
492 |
pow(colval(scanln[x],BLU), gamcor)); |
493 |
if (doexposure) |
494 |
multcolor(scanln[x], exposure); |
495 |
} |
496 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
497 |
fprintf(stderr, "%s: write error\n", progname); |
498 |
quit(1); |
499 |
} |
500 |
} |
501 |
free((void *)scanln); |
502 |
} |
503 |
|
504 |
|
505 |
void |
506 |
quit(code) |
507 |
int code; |
508 |
{ |
509 |
exit(code); |
510 |
} |
511 |
|
512 |
|
513 |
swap16(wp, n) /* swap n 16-bit words */ |
514 |
register uint16 *wp; |
515 |
int n; |
516 |
{ |
517 |
while (n-- > 0) { |
518 |
*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
519 |
wp++; |
520 |
} |
521 |
} |
522 |
|
523 |
getcascii(col) /* get an ascii color value from stream(s) */ |
524 |
COLOR col; |
525 |
{ |
526 |
double vd[3]; |
527 |
|
528 |
if (fin2 == NULL) { |
529 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
530 |
return(-1); |
531 |
} else { |
532 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
533 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
534 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
535 |
return(-1); |
536 |
} |
537 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
538 |
return(0); |
539 |
} |
540 |
|
541 |
|
542 |
getcdouble(col) /* get a double color value from stream(s) */ |
543 |
COLOR col; |
544 |
{ |
545 |
double vd[3]; |
546 |
|
547 |
if (fin2 == NULL) { |
548 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
549 |
return(-1); |
550 |
} else { |
551 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
552 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
553 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
554 |
return(-1); |
555 |
} |
556 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
557 |
return(0); |
558 |
} |
559 |
|
560 |
|
561 |
getcfloat(col) /* get a float color value from stream(s) */ |
562 |
COLOR col; |
563 |
{ |
564 |
float vf[3]; |
565 |
|
566 |
if (fin2 == NULL) { |
567 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
568 |
return(-1); |
569 |
} else { |
570 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
571 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
572 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
573 |
return(-1); |
574 |
} |
575 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
576 |
return(0); |
577 |
} |
578 |
|
579 |
|
580 |
getcint(col) /* get an int color value from stream(s) */ |
581 |
COLOR col; |
582 |
{ |
583 |
int vi[3]; |
584 |
|
585 |
if (fin2 == NULL) { |
586 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
587 |
return(-1); |
588 |
} else { |
589 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
590 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
591 |
fscanf(fin3, "%d", &vi[2]) != 1) |
592 |
return(-1); |
593 |
} |
594 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
595 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
596 |
return(0); |
597 |
} |
598 |
|
599 |
|
600 |
getcbyte(col) /* get a byte color value from stream(s) */ |
601 |
COLOR col; |
602 |
{ |
603 |
BYTE vb[3]; |
604 |
|
605 |
if (fin2 == NULL) { |
606 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
607 |
return(-1); |
608 |
} else { |
609 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
610 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
611 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
612 |
return(-1); |
613 |
} |
614 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
615 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
616 |
return(0); |
617 |
} |
618 |
|
619 |
|
620 |
getcword(col) /* get a 16-bit color value from stream(s) */ |
621 |
COLOR col; |
622 |
{ |
623 |
uint16 vw[3]; |
624 |
|
625 |
if (fin2 == NULL) { |
626 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
627 |
return(-1); |
628 |
} else { |
629 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
630 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
631 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
632 |
return(-1); |
633 |
} |
634 |
if (swapbytes) |
635 |
swap16(vw, 3); |
636 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
637 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
638 |
return(0); |
639 |
} |
640 |
|
641 |
|
642 |
getbascii(col) /* get an ascii brightness value from fin */ |
643 |
COLOR col; |
644 |
{ |
645 |
double vd; |
646 |
|
647 |
if (fscanf(fin, "%lf", &vd) != 1) |
648 |
return(-1); |
649 |
setcolor(col, vd, vd, vd); |
650 |
return(0); |
651 |
} |
652 |
|
653 |
|
654 |
getbdouble(col) /* get a double brightness value from fin */ |
655 |
COLOR col; |
656 |
{ |
657 |
double vd; |
658 |
|
659 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
660 |
return(-1); |
661 |
setcolor(col, vd, vd, vd); |
662 |
return(0); |
663 |
} |
664 |
|
665 |
|
666 |
getbfloat(col) /* get a float brightness value from fin */ |
667 |
COLOR col; |
668 |
{ |
669 |
float vf; |
670 |
|
671 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
672 |
return(-1); |
673 |
setcolor(col, vf, vf, vf); |
674 |
return(0); |
675 |
} |
676 |
|
677 |
|
678 |
getbint(col) /* get an int brightness value from fin */ |
679 |
COLOR col; |
680 |
{ |
681 |
int vi; |
682 |
double d; |
683 |
|
684 |
if (fscanf(fin, "%d", &vi) != 1) |
685 |
return(-1); |
686 |
d = (vi+.5)/256.; |
687 |
setcolor(col, d, d, d); |
688 |
return(0); |
689 |
} |
690 |
|
691 |
|
692 |
getbbyte(col) /* get a byte brightness value from fin */ |
693 |
COLOR col; |
694 |
{ |
695 |
BYTE vb; |
696 |
double d; |
697 |
|
698 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
699 |
return(-1); |
700 |
d = (vb+.5)/256.; |
701 |
setcolor(col, d, d, d); |
702 |
return(0); |
703 |
} |
704 |
|
705 |
|
706 |
getbword(col) /* get a 16-bit brightness value from fin */ |
707 |
COLOR col; |
708 |
{ |
709 |
uint16 vw; |
710 |
double d; |
711 |
|
712 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
713 |
return(-1); |
714 |
if (swapbytes) |
715 |
swap16(&vw, 1); |
716 |
d = (vw+.5)/65536.; |
717 |
setcolor(col, d, d, d); |
718 |
return(0); |
719 |
} |
720 |
|
721 |
|
722 |
putcascii(col) /* put an ascii color to stdout */ |
723 |
COLOR col; |
724 |
{ |
725 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
726 |
colval(col,ord[0]), |
727 |
colval(col,ord[1]), |
728 |
colval(col,ord[2])); |
729 |
|
730 |
return(ferror(stdout) ? -1 : 0); |
731 |
} |
732 |
|
733 |
|
734 |
putcfloat(col) /* put a float color to stdout */ |
735 |
COLOR col; |
736 |
{ |
737 |
float vf[3]; |
738 |
|
739 |
vf[0] = colval(col,ord[0]); |
740 |
vf[1] = colval(col,ord[1]); |
741 |
vf[2] = colval(col,ord[2]); |
742 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
743 |
|
744 |
return(ferror(stdout) ? -1 : 0); |
745 |
} |
746 |
|
747 |
|
748 |
putcdouble(col) /* put a double color to stdout */ |
749 |
COLOR col; |
750 |
{ |
751 |
double vd[3]; |
752 |
|
753 |
vd[0] = colval(col,ord[0]); |
754 |
vd[1] = colval(col,ord[1]); |
755 |
vd[2] = colval(col,ord[2]); |
756 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
757 |
|
758 |
return(ferror(stdout) ? -1 : 0); |
759 |
} |
760 |
|
761 |
|
762 |
putcint(col) /* put an int color to stdout */ |
763 |
COLOR col; |
764 |
{ |
765 |
fprintf(stdout, "%d %d %d\n", |
766 |
(int)(colval(col,ord[0])*256.), |
767 |
(int)(colval(col,ord[1])*256.), |
768 |
(int)(colval(col,ord[2])*256.)); |
769 |
|
770 |
return(ferror(stdout) ? -1 : 0); |
771 |
} |
772 |
|
773 |
|
774 |
putcbyte(col) /* put a byte color to stdout */ |
775 |
COLOR col; |
776 |
{ |
777 |
long i; |
778 |
BYTE vb[3]; |
779 |
|
780 |
i = colval(col,ord[0])*256.; |
781 |
vb[0] = min(i,255); |
782 |
i = colval(col,ord[1])*256.; |
783 |
vb[1] = min(i,255); |
784 |
i = colval(col,ord[2])*256.; |
785 |
vb[2] = min(i,255); |
786 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
787 |
|
788 |
return(ferror(stdout) ? -1 : 0); |
789 |
} |
790 |
|
791 |
|
792 |
putcword(col) /* put a 16-bit color to stdout */ |
793 |
COLOR col; |
794 |
{ |
795 |
long i; |
796 |
uint16 vw[3]; |
797 |
|
798 |
i = colval(col,ord[0])*65536.; |
799 |
vw[0] = min(i,65535); |
800 |
i = colval(col,ord[1])*65536.; |
801 |
vw[1] = min(i,65535); |
802 |
i = colval(col,ord[2])*65536.; |
803 |
vw[2] = min(i,65535); |
804 |
if (swapbytes) |
805 |
swap16(vw, 3); |
806 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
807 |
|
808 |
return(ferror(stdout) ? -1 : 0); |
809 |
} |
810 |
|
811 |
|
812 |
putbascii(col) /* put an ascii brightness to stdout */ |
813 |
COLOR col; |
814 |
{ |
815 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
816 |
|
817 |
return(ferror(stdout) ? -1 : 0); |
818 |
} |
819 |
|
820 |
|
821 |
putbfloat(col) /* put a float brightness to stdout */ |
822 |
COLOR col; |
823 |
{ |
824 |
float vf; |
825 |
|
826 |
vf = (*mybright)(col); |
827 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
828 |
|
829 |
return(ferror(stdout) ? -1 : 0); |
830 |
} |
831 |
|
832 |
|
833 |
putbdouble(col) /* put a double brightness to stdout */ |
834 |
COLOR col; |
835 |
{ |
836 |
double vd; |
837 |
|
838 |
vd = (*mybright)(col); |
839 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
840 |
|
841 |
return(ferror(stdout) ? -1 : 0); |
842 |
} |
843 |
|
844 |
|
845 |
putbint(col) /* put an int brightness to stdout */ |
846 |
COLOR col; |
847 |
{ |
848 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
849 |
|
850 |
return(ferror(stdout) ? -1 : 0); |
851 |
} |
852 |
|
853 |
|
854 |
putbbyte(col) /* put a byte brightness to stdout */ |
855 |
COLOR col; |
856 |
{ |
857 |
register int i; |
858 |
BYTE vb; |
859 |
|
860 |
i = (*mybright)(col)*256.; |
861 |
vb = min(i,255); |
862 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
863 |
|
864 |
return(ferror(stdout) ? -1 : 0); |
865 |
} |
866 |
|
867 |
|
868 |
putbword(col) /* put a 16-bit brightness to stdout */ |
869 |
COLOR col; |
870 |
{ |
871 |
long i; |
872 |
uint16 vw; |
873 |
|
874 |
i = (*mybright)(col)*65536.; |
875 |
vw = min(i,65535); |
876 |
if (swapbytes) |
877 |
swap16(&vw, 1); |
878 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
879 |
|
880 |
return(ferror(stdout) ? -1 : 0); |
881 |
} |
882 |
|
883 |
|
884 |
putpascii(col) /* put an ascii primary to stdout */ |
885 |
COLOR col; |
886 |
{ |
887 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
888 |
|
889 |
return(ferror(stdout) ? -1 : 0); |
890 |
} |
891 |
|
892 |
|
893 |
putpfloat(col) /* put a float primary to stdout */ |
894 |
COLOR col; |
895 |
{ |
896 |
float vf; |
897 |
|
898 |
vf = colval(col,putprim); |
899 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
900 |
|
901 |
return(ferror(stdout) ? -1 : 0); |
902 |
} |
903 |
|
904 |
|
905 |
putpdouble(col) /* put a double primary to stdout */ |
906 |
COLOR col; |
907 |
{ |
908 |
double vd; |
909 |
|
910 |
vd = colval(col,putprim); |
911 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
912 |
|
913 |
return(ferror(stdout) ? -1 : 0); |
914 |
} |
915 |
|
916 |
|
917 |
putpint(col) /* put an int primary to stdout */ |
918 |
COLOR col; |
919 |
{ |
920 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
921 |
|
922 |
return(ferror(stdout) ? -1 : 0); |
923 |
} |
924 |
|
925 |
|
926 |
putpbyte(col) /* put a byte primary to stdout */ |
927 |
COLOR col; |
928 |
{ |
929 |
long i; |
930 |
BYTE vb; |
931 |
|
932 |
i = colval(col,putprim)*256.; |
933 |
vb = min(i,255); |
934 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
935 |
|
936 |
return(ferror(stdout) ? -1 : 0); |
937 |
} |
938 |
|
939 |
|
940 |
putpword(col) /* put a 16-bit primary to stdout */ |
941 |
COLOR col; |
942 |
{ |
943 |
long i; |
944 |
uint16 vw; |
945 |
|
946 |
i = colval(col,putprim)*65536.; |
947 |
vw = min(i,65535); |
948 |
if (swapbytes) |
949 |
swap16(&vw, 1); |
950 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
951 |
|
952 |
return(ferror(stdout) ? -1 : 0); |
953 |
} |
954 |
|
955 |
|
956 |
set_io() /* set put and get functions */ |
957 |
{ |
958 |
switch (format) { |
959 |
case 'a': /* ascii */ |
960 |
if (putprim == BRIGHT) { |
961 |
getval = getbascii; |
962 |
putval = putbascii; |
963 |
} else if (putprim != ALL) { |
964 |
getval = getbascii; |
965 |
putval = putpascii; |
966 |
} else { |
967 |
getval = getcascii; |
968 |
putval = putcascii; |
969 |
if (reverse && !interleave) { |
970 |
fprintf(stderr, |
971 |
"%s: ASCII input files must be interleaved\n", |
972 |
progname); |
973 |
quit(1); |
974 |
} |
975 |
} |
976 |
return; |
977 |
case 'f': /* binary float */ |
978 |
if (putprim == BRIGHT) { |
979 |
getval = getbfloat; |
980 |
putval = putbfloat; |
981 |
} else if (putprim != ALL) { |
982 |
getval = getbfloat; |
983 |
putval = putpfloat; |
984 |
} else { |
985 |
getval = getcfloat; |
986 |
putval = putcfloat; |
987 |
if (reverse && !interleave) { |
988 |
if (fin2 == NULL) |
989 |
goto namerr; |
990 |
if (fseek(fin2, |
991 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
992 |
goto seekerr; |
993 |
if (fseek(fin3, |
994 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
995 |
goto seekerr; |
996 |
} |
997 |
} |
998 |
return; |
999 |
case 'd': /* binary double */ |
1000 |
if (putprim == BRIGHT) { |
1001 |
getval = getbdouble; |
1002 |
putval = putbdouble; |
1003 |
} else if (putprim != ALL) { |
1004 |
getval = getbdouble; |
1005 |
putval = putpdouble; |
1006 |
} else { |
1007 |
getval = getcdouble; |
1008 |
putval = putcdouble; |
1009 |
if (reverse && !interleave) { |
1010 |
if (fin2 == NULL) |
1011 |
goto namerr; |
1012 |
if (fseek(fin2, |
1013 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
1014 |
goto seekerr; |
1015 |
if (fseek(fin3, |
1016 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
1017 |
goto seekerr; |
1018 |
} |
1019 |
} |
1020 |
return; |
1021 |
case 'i': /* integer */ |
1022 |
if (putprim == BRIGHT) { |
1023 |
getval = getbint; |
1024 |
putval = putbint; |
1025 |
} else if (putprim != ALL) { |
1026 |
getval = getbint; |
1027 |
putval = putpint; |
1028 |
} else { |
1029 |
getval = getcint; |
1030 |
putval = putcint; |
1031 |
if (reverse && !interleave) { |
1032 |
fprintf(stderr, |
1033 |
"%s: integer input files must be interleaved\n", |
1034 |
progname); |
1035 |
quit(1); |
1036 |
} |
1037 |
} |
1038 |
return; |
1039 |
case 'b': /* byte */ |
1040 |
if (putprim == BRIGHT) { |
1041 |
getval = getbbyte; |
1042 |
putval = putbbyte; |
1043 |
} else if (putprim != ALL) { |
1044 |
getval = getbbyte; |
1045 |
putval = putpbyte; |
1046 |
} else { |
1047 |
getval = getcbyte; |
1048 |
putval = putcbyte; |
1049 |
if (reverse && !interleave) { |
1050 |
if (fin2 == NULL) |
1051 |
goto namerr; |
1052 |
if (fseek(fin2, |
1053 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
1054 |
goto seekerr; |
1055 |
if (fseek(fin3, |
1056 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1057 |
goto seekerr; |
1058 |
} |
1059 |
} |
1060 |
return; |
1061 |
case 'w': /* 16-bit */ |
1062 |
if (putprim == BRIGHT) { |
1063 |
getval = getbword; |
1064 |
putval = putbword; |
1065 |
} else if (putprim != ALL) { |
1066 |
getval = getbword; |
1067 |
putval = putpword; |
1068 |
} else { |
1069 |
getval = getcword; |
1070 |
putval = putcword; |
1071 |
if (reverse && !interleave) { |
1072 |
if (fin2 == NULL) |
1073 |
goto namerr; |
1074 |
if (fseek(fin2, |
1075 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1076 |
goto seekerr; |
1077 |
if (fseek(fin3, |
1078 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1079 |
goto seekerr; |
1080 |
} |
1081 |
} |
1082 |
return; |
1083 |
} |
1084 |
badopt: |
1085 |
fprintf(stderr, "%s: botched file type\n", progname); |
1086 |
quit(1); |
1087 |
namerr: |
1088 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1089 |
progname); |
1090 |
quit(1); |
1091 |
seekerr: |
1092 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1093 |
progname); |
1094 |
quit(1); |
1095 |
} |