1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.27 2004/10/01 07:45:30 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 |
#include "view.h" |
15 |
|
16 |
#define min(a,b) ((a)<(b)?(a):(b)) |
17 |
|
18 |
/* what to put out (also RED, GRN, BLU) */ |
19 |
#define ALL 3 |
20 |
#define BRIGHT 4 |
21 |
|
22 |
RESOLU picres; /* resolution of picture */ |
23 |
int uniq = 0; /* print only unique values? */ |
24 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
25 |
int dataonly = 0; /* data only format? */ |
26 |
int putprim = ALL; /* what to put out */ |
27 |
int reverse = 0; /* reverse conversion? */ |
28 |
int format = 'a'; /* input/output format */ |
29 |
char *fmtid = "ascii"; /* format identifier for header */ |
30 |
int header = 1; /* do header? */ |
31 |
long skipbytes = 0; /* skip bytes in input? */ |
32 |
int swapbytes = 0; /* swap bytes? */ |
33 |
int interleave = 1; /* file is interleaved? */ |
34 |
int resolution = 1; /* put/get resolution string? */ |
35 |
int original = 0; /* convert to original values? */ |
36 |
int wrongformat = 0; /* wrong input format? */ |
37 |
double gamcor = 1.0; /* gamma correction */ |
38 |
|
39 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
40 |
int rord[4]; /* reverse ordering */ |
41 |
|
42 |
COLOR exposure = WHTCOLOR; |
43 |
|
44 |
char *progname; |
45 |
|
46 |
FILE *fin; |
47 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
48 |
|
49 |
|
50 |
typedef int getfunc_t(COLOR col); |
51 |
typedef int putfunc_t(COLOR col); |
52 |
typedef double brightfunc_t(COLOR col); |
53 |
|
54 |
getfunc_t *getval; |
55 |
putfunc_t *putval; |
56 |
brightfunc_t *mybright; |
57 |
|
58 |
static gethfunc checkhead; |
59 |
static brightfunc_t rgb_bright, xyz_bright; |
60 |
static getfunc_t getbascii, getbint, getbdouble, getbfloat, getbbyte, getbword; |
61 |
static getfunc_t getcascii, getcint, getcdouble, getcfloat, getcbyte, getcword; |
62 |
static putfunc_t putbascii, putbint, putbdouble, putbfloat, putbbyte, putbword; |
63 |
static putfunc_t putcascii, putcint, putcdouble, putcfloat, putcbyte, putcword; |
64 |
static putfunc_t putpascii, putpint, putpdouble, putpfloat, putpbyte, putpword; |
65 |
|
66 |
static void set_io(void); |
67 |
static void pixtoval(void); |
68 |
static void valtopix(void); |
69 |
static void swap16(uint16 *wp, int n); |
70 |
static void swap32(uint32 *wp, int n); |
71 |
static void swap64(char *wp, int n); |
72 |
|
73 |
|
74 |
static double |
75 |
rgb_bright( |
76 |
COLOR clr |
77 |
) |
78 |
{ |
79 |
return(bright(clr)); |
80 |
} |
81 |
|
82 |
static double |
83 |
xyz_bright( |
84 |
COLOR clr |
85 |
) |
86 |
{ |
87 |
return(clr[CIEY]); |
88 |
} |
89 |
|
90 |
int |
91 |
main( |
92 |
int argc, |
93 |
char **argv |
94 |
) |
95 |
{ |
96 |
double d, expval = 1.0; |
97 |
int i; |
98 |
|
99 |
progname = argv[0]; |
100 |
mybright = &rgb_bright; /* default */ |
101 |
|
102 |
for (i = 1; i < argc; i++) |
103 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
104 |
switch (argv[i][1]) { |
105 |
case 'h': /* header */ |
106 |
header = argv[i][0] == '+'; |
107 |
break; |
108 |
case 'H': /* resolution string */ |
109 |
resolution = argv[i][0] == '+'; |
110 |
break; |
111 |
case 's': /* skip bytes in header */ |
112 |
skipbytes = atol(argv[++i]); |
113 |
break; |
114 |
case 'u': /* unique values */ |
115 |
uniq = argv[i][0] == '-'; |
116 |
break; |
117 |
case 'o': /* original values */ |
118 |
original = argv[i][0] == '-'; |
119 |
break; |
120 |
case 'g': /* gamma correction */ |
121 |
gamcor = atof(argv[i+1]); |
122 |
if (argv[i][0] == '+') |
123 |
gamcor = 1.0/gamcor; |
124 |
i++; |
125 |
break; |
126 |
case 'e': /* exposure correction */ |
127 |
d = atof(argv[i+1]); |
128 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
129 |
d = pow(2.0, d); |
130 |
if (argv[i][0] == '-') |
131 |
expval *= d; |
132 |
scalecolor(exposure, d); |
133 |
doexposure++; |
134 |
i++; |
135 |
break; |
136 |
case 'R': /* reverse byte sequence */ |
137 |
if (argv[i][0] == '-') { |
138 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
139 |
} else { |
140 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
141 |
} |
142 |
break; |
143 |
case 'r': /* reverse conversion */ |
144 |
reverse = argv[i][0] == '-'; |
145 |
break; |
146 |
case 'n': /* non-interleaved RGB */ |
147 |
interleave = argv[i][0] == '+'; |
148 |
break; |
149 |
case 'b': /* brightness values */ |
150 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
151 |
break; |
152 |
case 'p': /* put primary */ |
153 |
switch (argv[i][2]) { |
154 |
case 'r': case 'R': putprim = RED; break; |
155 |
case 'g': case 'G': putprim = GRN; break; |
156 |
case 'b': case 'B': putprim = BLU; break; |
157 |
default: goto unkopt; |
158 |
} |
159 |
break; |
160 |
case 'd': /* data only (no indices) */ |
161 |
dataonly = argv[i][0] == '-'; |
162 |
switch (argv[i][2]) { |
163 |
case '\0': |
164 |
case 'a': /* ascii */ |
165 |
format = 'a'; |
166 |
fmtid = "ascii"; |
167 |
break; |
168 |
case 'i': /* integer */ |
169 |
format = 'i'; |
170 |
fmtid = "ascii"; |
171 |
break; |
172 |
case 'b': /* byte */ |
173 |
dataonly = 1; |
174 |
format = 'b'; |
175 |
fmtid = "byte"; |
176 |
break; |
177 |
case 'W': /* 16-bit swapped */ |
178 |
swapbytes = 1; |
179 |
case 'w': /* 16-bit */ |
180 |
dataonly = 1; |
181 |
format = 'w'; |
182 |
fmtid = "16-bit"; |
183 |
break; |
184 |
case 'F': /* swapped floats */ |
185 |
swapbytes = 1; |
186 |
case 'f': /* float */ |
187 |
dataonly = 1; |
188 |
format = 'f'; |
189 |
fmtid = "float"; |
190 |
break; |
191 |
case 'D': /* swapped doubles */ |
192 |
swapbytes = 1; |
193 |
case 'd': /* double */ |
194 |
dataonly = 1; |
195 |
format = 'd'; |
196 |
fmtid = "double"; |
197 |
break; |
198 |
default: |
199 |
goto unkopt; |
200 |
} |
201 |
break; |
202 |
case 'x': /* x resolution */ |
203 |
case 'X': /* x resolution */ |
204 |
resolution = 0; |
205 |
if (argv[i][0] == '-') |
206 |
picres.rt |= XDECR; |
207 |
picres.xr = atoi(argv[++i]); |
208 |
break; |
209 |
case 'y': /* y resolution */ |
210 |
case 'Y': /* y resolution */ |
211 |
resolution = 0; |
212 |
if (argv[i][0] == '-') |
213 |
picres.rt |= YDECR; |
214 |
if (picres.xr == 0) |
215 |
picres.rt |= YMAJOR; |
216 |
picres.yr = atoi(argv[++i]); |
217 |
break; |
218 |
default: |
219 |
unkopt: |
220 |
fprintf(stderr, "%s: unknown option: %s\n", |
221 |
progname, argv[i]); |
222 |
quit(1); |
223 |
break; |
224 |
} |
225 |
else |
226 |
break; |
227 |
/* recognize special formats */ |
228 |
if (dataonly && format == 'b') { |
229 |
if (putprim == ALL) |
230 |
fmtid = "24-bit_rgb"; |
231 |
else |
232 |
fmtid = "8-bit_grey"; |
233 |
} |
234 |
if (dataonly && format == 'w') { |
235 |
if (putprim == ALL) |
236 |
fmtid = "48-bit_rgb"; |
237 |
else |
238 |
fmtid = "16-bit_grey"; |
239 |
} |
240 |
/* assign reverse ordering */ |
241 |
rord[ord[0]] = 0; |
242 |
rord[ord[1]] = 1; |
243 |
rord[ord[2]] = 2; |
244 |
/* get input */ |
245 |
if (i == argc) { |
246 |
fin = stdin; |
247 |
} else if (i < argc) { |
248 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
249 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
250 |
progname, argv[i]); |
251 |
quit(1); |
252 |
} |
253 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
254 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
255 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
256 |
progname, argv[i+1]); |
257 |
quit(1); |
258 |
} |
259 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
260 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
261 |
progname, argv[i+2]); |
262 |
quit(1); |
263 |
} |
264 |
interleave = -1; |
265 |
} else if (i != argc-1) |
266 |
fin = NULL; |
267 |
if (reverse && putprim != BRIGHT && !interleave) { |
268 |
fin2 = fopen(argv[i], "r"); |
269 |
fin3 = fopen(argv[i], "r"); |
270 |
} |
271 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
272 |
(fseek(fin2, skipbytes, 0) || |
273 |
fseek(fin3, skipbytes, 0))))) { |
274 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
275 |
progname, skipbytes); |
276 |
quit(1); |
277 |
} |
278 |
} |
279 |
if (fin == NULL) { |
280 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
281 |
quit(1); |
282 |
} |
283 |
|
284 |
if (reverse) { |
285 |
#ifdef _WIN32 |
286 |
SET_FILE_BINARY(stdout); |
287 |
if (format != 'a' && format != 'i') |
288 |
SET_FILE_BINARY(fin); |
289 |
#endif |
290 |
/* get header */ |
291 |
if (header) { |
292 |
if (checkheader(fin, fmtid, stdout) < 0) { |
293 |
fprintf(stderr, "%s: wrong input format\n", |
294 |
progname); |
295 |
quit(1); |
296 |
} |
297 |
if (fin2 != NULL) { |
298 |
getheader(fin2, NULL, NULL); |
299 |
getheader(fin3, NULL, NULL); |
300 |
} |
301 |
} else |
302 |
newheader("RADIANCE", stdout); |
303 |
/* get resolution */ |
304 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
305 |
picres.xr <= 0 || picres.yr <= 0) { |
306 |
fprintf(stderr, "%s: missing resolution\n", progname); |
307 |
quit(1); |
308 |
} |
309 |
if (resolution && fin2 != NULL) { |
310 |
RESOLU pres2; |
311 |
if (!fgetsresolu(&pres2, fin2) || |
312 |
pres2.rt != picres.rt || |
313 |
pres2.xr != picres.xr || |
314 |
pres2.yr != picres.yr || |
315 |
!fgetsresolu(&pres2, fin3) || |
316 |
pres2.rt != picres.rt || |
317 |
pres2.xr != picres.xr || |
318 |
pres2.yr != picres.yr) { |
319 |
fprintf(stderr, "%s: resolution mismatch\n", |
320 |
progname); |
321 |
quit(1); |
322 |
} |
323 |
} |
324 |
/* add to header */ |
325 |
printargs(i, argv, stdout); |
326 |
if (expval < .99 || expval > 1.01) |
327 |
fputexpos(expval, stdout); |
328 |
fputformat(COLRFMT, stdout); |
329 |
putchar('\n'); |
330 |
fputsresolu(&picres, stdout); /* always put resolution */ |
331 |
valtopix(); |
332 |
} else { |
333 |
#ifdef _WIN32 |
334 |
SET_FILE_BINARY(fin); |
335 |
if (format != 'a' && format != 'i') |
336 |
SET_FILE_BINARY(stdout); |
337 |
#endif |
338 |
/* get header */ |
339 |
getheader(fin, checkhead, NULL); |
340 |
if (wrongformat) { |
341 |
fprintf(stderr, |
342 |
"%s: input not a Radiance RGBE picture\n", |
343 |
progname); |
344 |
quit(1); |
345 |
} |
346 |
if (!fgetsresolu(&picres, fin)) { |
347 |
fprintf(stderr, "%s: missing resolution\n", progname); |
348 |
quit(1); |
349 |
} |
350 |
if (header) { |
351 |
printargs(i, argv, stdout); |
352 |
if (expval < .99 || expval > 1.01) |
353 |
fputexpos(expval, stdout); |
354 |
fputformat(fmtid, stdout); |
355 |
putchar('\n'); |
356 |
} |
357 |
if (resolution) /* put resolution */ |
358 |
fputsresolu(&picres, stdout); |
359 |
pixtoval(); |
360 |
} |
361 |
|
362 |
quit(0); |
363 |
return 0; /* pro forma return */ |
364 |
} |
365 |
|
366 |
|
367 |
static int |
368 |
checkhead( /* deal with line from header */ |
369 |
char *line, |
370 |
void *p |
371 |
) |
372 |
{ |
373 |
char fmt[32]; |
374 |
double d; |
375 |
COLOR ctmp; |
376 |
|
377 |
if (formatval(fmt, line)) { |
378 |
if (!strcmp(fmt, CIEFMT)) |
379 |
mybright = &xyz_bright; |
380 |
else if (!strcmp(fmt, COLRFMT)) |
381 |
mybright = &rgb_bright; |
382 |
else |
383 |
wrongformat++; |
384 |
} else if (original && isexpos(line)) { |
385 |
d = 1.0/exposval(line); |
386 |
scalecolor(exposure, d); |
387 |
doexposure++; |
388 |
} else if (original && iscolcor(line)) { |
389 |
colcorval(ctmp, line); |
390 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
391 |
colval(exposure,GRN)/colval(ctmp,GRN), |
392 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
393 |
doexposure++; |
394 |
} else if (header) |
395 |
fputs(line, stdout); |
396 |
return(0); |
397 |
} |
398 |
|
399 |
|
400 |
static void |
401 |
pixtoval(void) /* convert picture to values */ |
402 |
{ |
403 |
register COLOR *scanln; |
404 |
int dogamma; |
405 |
COLOR lastc; |
406 |
RREAL hv[2]; |
407 |
int startprim, endprim; |
408 |
long startpos; |
409 |
int y; |
410 |
register int x; |
411 |
|
412 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
413 |
if (scanln == NULL) { |
414 |
fprintf(stderr, "%s: out of memory\n", progname); |
415 |
quit(1); |
416 |
} |
417 |
dogamma = gamcor < .95 || gamcor > 1.05; |
418 |
if (putprim == ALL && !interleave) { |
419 |
startprim = RED; endprim = BLU; |
420 |
startpos = ftell(fin); |
421 |
} else { |
422 |
startprim = putprim; endprim = putprim; |
423 |
} |
424 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
425 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
426 |
fprintf(stderr, "%s: seek error on input file\n", |
427 |
progname); |
428 |
quit(1); |
429 |
} |
430 |
set_io(); |
431 |
setcolor(lastc, 0.0, 0.0, 0.0); |
432 |
for (y = 0; y < numscans(&picres); y++) { |
433 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
434 |
fprintf(stderr, "%s: read error\n", progname); |
435 |
quit(1); |
436 |
} |
437 |
for (x = 0; x < scanlen(&picres); x++) { |
438 |
if (uniq) { |
439 |
if ( colval(scanln[x],RED) == |
440 |
colval(lastc,RED) && |
441 |
colval(scanln[x],GRN) == |
442 |
colval(lastc,GRN) && |
443 |
colval(scanln[x],BLU) == |
444 |
colval(lastc,BLU) ) |
445 |
continue; |
446 |
else |
447 |
copycolor(lastc, scanln[x]); |
448 |
} |
449 |
if (doexposure) |
450 |
multcolor(scanln[x], exposure); |
451 |
if (dogamma) |
452 |
setcolor(scanln[x], |
453 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
454 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
455 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
456 |
if (!dataonly) { |
457 |
pix2loc(hv, &picres, x, y); |
458 |
printf("%7d %7d ", |
459 |
(int)(hv[0]*picres.xr), |
460 |
(int)(hv[1]*picres.yr)); |
461 |
} |
462 |
if ((*putval)(scanln[x]) < 0) { |
463 |
fprintf(stderr, "%s: write error\n", |
464 |
progname); |
465 |
quit(1); |
466 |
} |
467 |
} |
468 |
} |
469 |
} |
470 |
free((void *)scanln); |
471 |
} |
472 |
|
473 |
|
474 |
static void |
475 |
valtopix(void) /* convert values to a pixel file */ |
476 |
{ |
477 |
int dogamma; |
478 |
register COLOR *scanln; |
479 |
int y; |
480 |
register int x; |
481 |
|
482 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
483 |
if (scanln == NULL) { |
484 |
fprintf(stderr, "%s: out of memory\n", progname); |
485 |
quit(1); |
486 |
} |
487 |
dogamma = gamcor < .95 || gamcor > 1.05; |
488 |
set_io(); |
489 |
for (y = 0; y < numscans(&picres); y++) { |
490 |
for (x = 0; x < scanlen(&picres); x++) { |
491 |
if (!dataonly) { |
492 |
fscanf(fin, "%*d %*d"); |
493 |
if (fin2 != NULL) { |
494 |
fscanf(fin2, "%*d %*d"); |
495 |
fscanf(fin3, "%*d %*d"); |
496 |
} |
497 |
} |
498 |
if ((*getval)(scanln[x]) < 0) { |
499 |
fprintf(stderr, "%s: read error\n", progname); |
500 |
quit(1); |
501 |
} |
502 |
if (dogamma) |
503 |
setcolor(scanln[x], |
504 |
pow(colval(scanln[x],RED), gamcor), |
505 |
pow(colval(scanln[x],GRN), gamcor), |
506 |
pow(colval(scanln[x],BLU), gamcor)); |
507 |
if (doexposure) |
508 |
multcolor(scanln[x], exposure); |
509 |
} |
510 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
511 |
fprintf(stderr, "%s: write error\n", progname); |
512 |
quit(1); |
513 |
} |
514 |
} |
515 |
free((void *)scanln); |
516 |
} |
517 |
|
518 |
|
519 |
void |
520 |
quit(code) |
521 |
int code; |
522 |
{ |
523 |
exit(code); |
524 |
} |
525 |
|
526 |
|
527 |
static void |
528 |
swap16( /* swap n 16-bit words */ |
529 |
register uint16 *wp, |
530 |
int n |
531 |
) |
532 |
{ |
533 |
while (n-- > 0) { |
534 |
*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
535 |
wp++; |
536 |
} |
537 |
} |
538 |
|
539 |
|
540 |
static void |
541 |
swap32( /* swap n 32-bit words */ |
542 |
register uint32 *wp, |
543 |
int n |
544 |
) |
545 |
{ |
546 |
while (n-- > 0) { |
547 |
*wp = *wp << 24 | ((*wp >> 24) & 0xff) | |
548 |
(*wp & 0xff00) << 8 | (*wp & 0xff0000) >> 8; |
549 |
wp++; |
550 |
} |
551 |
} |
552 |
|
553 |
|
554 |
static void |
555 |
swap64( /* swap n 64-bit words */ |
556 |
register char *wp, |
557 |
int n |
558 |
) |
559 |
{ |
560 |
register int t; |
561 |
|
562 |
while (n-- > 0) { |
563 |
t = wp[0]; wp[0] = wp[7]; wp[7] = t; |
564 |
t = wp[1]; wp[1] = wp[6]; wp[6] = t; |
565 |
t = wp[2]; wp[2] = wp[5]; wp[5] = t; |
566 |
t = wp[3]; wp[3] = wp[4]; wp[4] = t; |
567 |
wp += 8; |
568 |
} |
569 |
} |
570 |
|
571 |
|
572 |
static int |
573 |
getcascii( /* get an ascii color value from stream(s) */ |
574 |
COLOR col |
575 |
) |
576 |
{ |
577 |
double vd[3]; |
578 |
|
579 |
if (fin2 == NULL) { |
580 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
581 |
return(-1); |
582 |
} else { |
583 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
584 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
585 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
586 |
return(-1); |
587 |
} |
588 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
589 |
return(0); |
590 |
} |
591 |
|
592 |
|
593 |
static int |
594 |
getcdouble( /* get a double color value from stream(s) */ |
595 |
COLOR col |
596 |
) |
597 |
{ |
598 |
double vd[3]; |
599 |
|
600 |
if (fin2 == NULL) { |
601 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
602 |
return(-1); |
603 |
} else { |
604 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
605 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
606 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
607 |
return(-1); |
608 |
} |
609 |
if (swapbytes) |
610 |
swap64((char *)vd, 3); |
611 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
612 |
return(0); |
613 |
} |
614 |
|
615 |
|
616 |
static int |
617 |
getcfloat( /* get a float color value from stream(s) */ |
618 |
COLOR col |
619 |
) |
620 |
{ |
621 |
float vf[3]; |
622 |
|
623 |
if (fin2 == NULL) { |
624 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
625 |
return(-1); |
626 |
} else { |
627 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
628 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
629 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
630 |
return(-1); |
631 |
} |
632 |
if (swapbytes) |
633 |
swap32((uint32 *)vf, 3); |
634 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
635 |
return(0); |
636 |
} |
637 |
|
638 |
|
639 |
static int |
640 |
getcint( /* get an int color value from stream(s) */ |
641 |
COLOR col |
642 |
) |
643 |
{ |
644 |
int vi[3]; |
645 |
|
646 |
if (fin2 == NULL) { |
647 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
648 |
return(-1); |
649 |
} else { |
650 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
651 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
652 |
fscanf(fin3, "%d", &vi[2]) != 1) |
653 |
return(-1); |
654 |
} |
655 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
656 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
657 |
return(0); |
658 |
} |
659 |
|
660 |
|
661 |
static int |
662 |
getcbyte( /* get a byte color value from stream(s) */ |
663 |
COLOR col |
664 |
) |
665 |
{ |
666 |
BYTE vb[3]; |
667 |
|
668 |
if (fin2 == NULL) { |
669 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
670 |
return(-1); |
671 |
} else { |
672 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
673 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
674 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
675 |
return(-1); |
676 |
} |
677 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
678 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
679 |
return(0); |
680 |
} |
681 |
|
682 |
|
683 |
static int |
684 |
getcword( /* get a 16-bit color value from stream(s) */ |
685 |
COLOR col |
686 |
) |
687 |
{ |
688 |
uint16 vw[3]; |
689 |
|
690 |
if (fin2 == NULL) { |
691 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
692 |
return(-1); |
693 |
} else { |
694 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
695 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
696 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
697 |
return(-1); |
698 |
} |
699 |
if (swapbytes) |
700 |
swap16(vw, 3); |
701 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
702 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
703 |
return(0); |
704 |
} |
705 |
|
706 |
|
707 |
static int |
708 |
getbascii( /* get an ascii brightness value from fin */ |
709 |
COLOR col |
710 |
) |
711 |
{ |
712 |
double vd; |
713 |
|
714 |
if (fscanf(fin, "%lf", &vd) != 1) |
715 |
return(-1); |
716 |
setcolor(col, vd, vd, vd); |
717 |
return(0); |
718 |
} |
719 |
|
720 |
|
721 |
static int |
722 |
getbdouble( /* get a double brightness value from fin */ |
723 |
COLOR col |
724 |
) |
725 |
{ |
726 |
double vd; |
727 |
|
728 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
729 |
return(-1); |
730 |
if (swapbytes) |
731 |
swap64((char *)&vd, 1); |
732 |
setcolor(col, vd, vd, vd); |
733 |
return(0); |
734 |
} |
735 |
|
736 |
|
737 |
static int |
738 |
getbfloat( /* get a float brightness value from fin */ |
739 |
COLOR col |
740 |
) |
741 |
{ |
742 |
float vf; |
743 |
|
744 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
745 |
return(-1); |
746 |
if (swapbytes) |
747 |
swap32((uint32 *)&vf, 1); |
748 |
setcolor(col, vf, vf, vf); |
749 |
return(0); |
750 |
} |
751 |
|
752 |
|
753 |
static int |
754 |
getbint( /* get an int brightness value from fin */ |
755 |
COLOR col |
756 |
) |
757 |
{ |
758 |
int vi; |
759 |
double d; |
760 |
|
761 |
if (fscanf(fin, "%d", &vi) != 1) |
762 |
return(-1); |
763 |
d = (vi+.5)/256.; |
764 |
setcolor(col, d, d, d); |
765 |
return(0); |
766 |
} |
767 |
|
768 |
|
769 |
static int |
770 |
getbbyte( /* get a byte brightness value from fin */ |
771 |
COLOR col |
772 |
) |
773 |
{ |
774 |
BYTE vb; |
775 |
double d; |
776 |
|
777 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
778 |
return(-1); |
779 |
d = (vb+.5)/256.; |
780 |
setcolor(col, d, d, d); |
781 |
return(0); |
782 |
} |
783 |
|
784 |
|
785 |
static int |
786 |
getbword( /* get a 16-bit brightness value from fin */ |
787 |
COLOR col |
788 |
) |
789 |
{ |
790 |
uint16 vw; |
791 |
double d; |
792 |
|
793 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
794 |
return(-1); |
795 |
if (swapbytes) |
796 |
swap16(&vw, 1); |
797 |
d = (vw+.5)/65536.; |
798 |
setcolor(col, d, d, d); |
799 |
return(0); |
800 |
} |
801 |
|
802 |
|
803 |
static int |
804 |
putcascii( /* put an ascii color to stdout */ |
805 |
COLOR col |
806 |
) |
807 |
{ |
808 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
809 |
colval(col,ord[0]), |
810 |
colval(col,ord[1]), |
811 |
colval(col,ord[2])); |
812 |
|
813 |
return(ferror(stdout) ? -1 : 0); |
814 |
} |
815 |
|
816 |
|
817 |
static int |
818 |
putcfloat( /* put a float color to stdout */ |
819 |
COLOR col |
820 |
) |
821 |
{ |
822 |
float vf[3]; |
823 |
|
824 |
vf[0] = colval(col,ord[0]); |
825 |
vf[1] = colval(col,ord[1]); |
826 |
vf[2] = colval(col,ord[2]); |
827 |
if (swapbytes) |
828 |
swap32((uint32 *)vf, 3); |
829 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
830 |
|
831 |
return(ferror(stdout) ? -1 : 0); |
832 |
} |
833 |
|
834 |
|
835 |
static int |
836 |
putcdouble( /* put a double color to stdout */ |
837 |
COLOR col |
838 |
) |
839 |
{ |
840 |
double vd[3]; |
841 |
|
842 |
vd[0] = colval(col,ord[0]); |
843 |
vd[1] = colval(col,ord[1]); |
844 |
vd[2] = colval(col,ord[2]); |
845 |
if (swapbytes) |
846 |
swap64((char *)vd, 3); |
847 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
848 |
|
849 |
return(ferror(stdout) ? -1 : 0); |
850 |
} |
851 |
|
852 |
|
853 |
static int |
854 |
putcint( /* put an int color to stdout */ |
855 |
COLOR col |
856 |
) |
857 |
{ |
858 |
fprintf(stdout, "%d %d %d\n", |
859 |
(int)(colval(col,ord[0])*256.), |
860 |
(int)(colval(col,ord[1])*256.), |
861 |
(int)(colval(col,ord[2])*256.)); |
862 |
|
863 |
return(ferror(stdout) ? -1 : 0); |
864 |
} |
865 |
|
866 |
|
867 |
static int |
868 |
putcbyte( /* put a byte color to stdout */ |
869 |
COLOR col |
870 |
) |
871 |
{ |
872 |
long i; |
873 |
BYTE vb[3]; |
874 |
|
875 |
i = colval(col,ord[0])*256.; |
876 |
vb[0] = min(i,255); |
877 |
i = colval(col,ord[1])*256.; |
878 |
vb[1] = min(i,255); |
879 |
i = colval(col,ord[2])*256.; |
880 |
vb[2] = min(i,255); |
881 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
882 |
|
883 |
return(ferror(stdout) ? -1 : 0); |
884 |
} |
885 |
|
886 |
|
887 |
static int |
888 |
putcword( /* put a 16-bit color to stdout */ |
889 |
COLOR col |
890 |
) |
891 |
{ |
892 |
long i; |
893 |
uint16 vw[3]; |
894 |
|
895 |
i = colval(col,ord[0])*65536.; |
896 |
vw[0] = min(i,65535); |
897 |
i = colval(col,ord[1])*65536.; |
898 |
vw[1] = min(i,65535); |
899 |
i = colval(col,ord[2])*65536.; |
900 |
vw[2] = min(i,65535); |
901 |
if (swapbytes) |
902 |
swap16(vw, 3); |
903 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
904 |
|
905 |
return(ferror(stdout) ? -1 : 0); |
906 |
} |
907 |
|
908 |
|
909 |
static int |
910 |
putbascii( /* put an ascii brightness to stdout */ |
911 |
COLOR col |
912 |
) |
913 |
{ |
914 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
915 |
|
916 |
return(ferror(stdout) ? -1 : 0); |
917 |
} |
918 |
|
919 |
|
920 |
static int |
921 |
putbfloat( /* put a float brightness to stdout */ |
922 |
COLOR col |
923 |
) |
924 |
{ |
925 |
float vf; |
926 |
|
927 |
vf = (*mybright)(col); |
928 |
if (swapbytes) |
929 |
swap32((uint32 *)&vf, 1); |
930 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
931 |
|
932 |
return(ferror(stdout) ? -1 : 0); |
933 |
} |
934 |
|
935 |
|
936 |
static int |
937 |
putbdouble( /* put a double brightness to stdout */ |
938 |
COLOR col |
939 |
) |
940 |
{ |
941 |
double vd; |
942 |
|
943 |
vd = (*mybright)(col); |
944 |
if (swapbytes) |
945 |
swap64((char *)&vd, 1); |
946 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
947 |
|
948 |
return(ferror(stdout) ? -1 : 0); |
949 |
} |
950 |
|
951 |
|
952 |
static int |
953 |
putbint( /* put an int brightness to stdout */ |
954 |
COLOR col |
955 |
) |
956 |
{ |
957 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
958 |
|
959 |
return(ferror(stdout) ? -1 : 0); |
960 |
} |
961 |
|
962 |
|
963 |
static int |
964 |
putbbyte( /* put a byte brightness to stdout */ |
965 |
COLOR col |
966 |
) |
967 |
{ |
968 |
register int i; |
969 |
BYTE vb; |
970 |
|
971 |
i = (*mybright)(col)*256.; |
972 |
vb = min(i,255); |
973 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
974 |
|
975 |
return(ferror(stdout) ? -1 : 0); |
976 |
} |
977 |
|
978 |
|
979 |
static int |
980 |
putbword( /* put a 16-bit brightness to stdout */ |
981 |
COLOR col |
982 |
) |
983 |
{ |
984 |
long i; |
985 |
uint16 vw; |
986 |
|
987 |
i = (*mybright)(col)*65536.; |
988 |
vw = min(i,65535); |
989 |
if (swapbytes) |
990 |
swap16(&vw, 1); |
991 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
992 |
|
993 |
return(ferror(stdout) ? -1 : 0); |
994 |
} |
995 |
|
996 |
|
997 |
static int |
998 |
putpascii( /* put an ascii primary to stdout */ |
999 |
COLOR col |
1000 |
) |
1001 |
{ |
1002 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
1003 |
|
1004 |
return(ferror(stdout) ? -1 : 0); |
1005 |
} |
1006 |
|
1007 |
|
1008 |
static int |
1009 |
putpfloat( /* put a float primary to stdout */ |
1010 |
COLOR col |
1011 |
) |
1012 |
{ |
1013 |
float vf; |
1014 |
|
1015 |
vf = colval(col,putprim); |
1016 |
if (swapbytes) |
1017 |
swap32((uint32 *)&vf, 1); |
1018 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
1019 |
|
1020 |
return(ferror(stdout) ? -1 : 0); |
1021 |
} |
1022 |
|
1023 |
|
1024 |
static int |
1025 |
putpdouble( /* put a double primary to stdout */ |
1026 |
COLOR col |
1027 |
) |
1028 |
{ |
1029 |
double vd; |
1030 |
|
1031 |
vd = colval(col,putprim); |
1032 |
if (swapbytes) |
1033 |
swap64((char *)&vd, 1); |
1034 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
1035 |
|
1036 |
return(ferror(stdout) ? -1 : 0); |
1037 |
} |
1038 |
|
1039 |
|
1040 |
static int |
1041 |
putpint( /* put an int primary to stdout */ |
1042 |
COLOR col |
1043 |
) |
1044 |
{ |
1045 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
1046 |
|
1047 |
return(ferror(stdout) ? -1 : 0); |
1048 |
} |
1049 |
|
1050 |
|
1051 |
static int |
1052 |
putpbyte( /* put a byte primary to stdout */ |
1053 |
COLOR col |
1054 |
) |
1055 |
{ |
1056 |
long i; |
1057 |
BYTE vb; |
1058 |
|
1059 |
i = colval(col,putprim)*256.; |
1060 |
vb = min(i,255); |
1061 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
1062 |
|
1063 |
return(ferror(stdout) ? -1 : 0); |
1064 |
} |
1065 |
|
1066 |
|
1067 |
static int |
1068 |
putpword( /* put a 16-bit primary to stdout */ |
1069 |
COLOR col |
1070 |
) |
1071 |
{ |
1072 |
long i; |
1073 |
uint16 vw; |
1074 |
|
1075 |
i = colval(col,putprim)*65536.; |
1076 |
vw = min(i,65535); |
1077 |
if (swapbytes) |
1078 |
swap16(&vw, 1); |
1079 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
1080 |
|
1081 |
return(ferror(stdout) ? -1 : 0); |
1082 |
} |
1083 |
|
1084 |
|
1085 |
static void |
1086 |
set_io(void) /* set put and get functions */ |
1087 |
{ |
1088 |
switch (format) { |
1089 |
case 'a': /* ascii */ |
1090 |
if (putprim == BRIGHT) { |
1091 |
getval = getbascii; |
1092 |
putval = putbascii; |
1093 |
} else if (putprim != ALL) { |
1094 |
getval = getbascii; |
1095 |
putval = putpascii; |
1096 |
} else { |
1097 |
getval = getcascii; |
1098 |
putval = putcascii; |
1099 |
if (reverse && !interleave) { |
1100 |
fprintf(stderr, |
1101 |
"%s: ASCII input files must be interleaved\n", |
1102 |
progname); |
1103 |
quit(1); |
1104 |
} |
1105 |
} |
1106 |
return; |
1107 |
case 'f': /* binary float */ |
1108 |
if (putprim == BRIGHT) { |
1109 |
getval = getbfloat; |
1110 |
putval = putbfloat; |
1111 |
} else if (putprim != ALL) { |
1112 |
getval = getbfloat; |
1113 |
putval = putpfloat; |
1114 |
} else { |
1115 |
getval = getcfloat; |
1116 |
putval = putcfloat; |
1117 |
if (reverse && !interleave) { |
1118 |
if (fin2 == NULL) |
1119 |
goto namerr; |
1120 |
if (fseek(fin2, |
1121 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
1122 |
goto seekerr; |
1123 |
if (fseek(fin3, |
1124 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
1125 |
goto seekerr; |
1126 |
} |
1127 |
} |
1128 |
return; |
1129 |
case 'd': /* binary double */ |
1130 |
if (putprim == BRIGHT) { |
1131 |
getval = getbdouble; |
1132 |
putval = putbdouble; |
1133 |
} else if (putprim != ALL) { |
1134 |
getval = getbdouble; |
1135 |
putval = putpdouble; |
1136 |
} else { |
1137 |
getval = getcdouble; |
1138 |
putval = putcdouble; |
1139 |
if (reverse && !interleave) { |
1140 |
if (fin2 == NULL) |
1141 |
goto namerr; |
1142 |
if (fseek(fin2, |
1143 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
1144 |
goto seekerr; |
1145 |
if (fseek(fin3, |
1146 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
1147 |
goto seekerr; |
1148 |
} |
1149 |
} |
1150 |
return; |
1151 |
case 'i': /* integer */ |
1152 |
if (putprim == BRIGHT) { |
1153 |
getval = getbint; |
1154 |
putval = putbint; |
1155 |
} else if (putprim != ALL) { |
1156 |
getval = getbint; |
1157 |
putval = putpint; |
1158 |
} else { |
1159 |
getval = getcint; |
1160 |
putval = putcint; |
1161 |
if (reverse && !interleave) { |
1162 |
fprintf(stderr, |
1163 |
"%s: integer input files must be interleaved\n", |
1164 |
progname); |
1165 |
quit(1); |
1166 |
} |
1167 |
} |
1168 |
return; |
1169 |
case 'b': /* byte */ |
1170 |
if (putprim == BRIGHT) { |
1171 |
getval = getbbyte; |
1172 |
putval = putbbyte; |
1173 |
} else if (putprim != ALL) { |
1174 |
getval = getbbyte; |
1175 |
putval = putpbyte; |
1176 |
} else { |
1177 |
getval = getcbyte; |
1178 |
putval = putcbyte; |
1179 |
if (reverse && !interleave) { |
1180 |
if (fin2 == NULL) |
1181 |
goto namerr; |
1182 |
if (fseek(fin2, |
1183 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
1184 |
goto seekerr; |
1185 |
if (fseek(fin3, |
1186 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1187 |
goto seekerr; |
1188 |
} |
1189 |
} |
1190 |
return; |
1191 |
case 'w': /* 16-bit */ |
1192 |
if (putprim == BRIGHT) { |
1193 |
getval = getbword; |
1194 |
putval = putbword; |
1195 |
} else if (putprim != ALL) { |
1196 |
getval = getbword; |
1197 |
putval = putpword; |
1198 |
} else { |
1199 |
getval = getcword; |
1200 |
putval = putcword; |
1201 |
if (reverse && !interleave) { |
1202 |
if (fin2 == NULL) |
1203 |
goto namerr; |
1204 |
if (fseek(fin2, |
1205 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1206 |
goto seekerr; |
1207 |
if (fseek(fin3, |
1208 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1209 |
goto seekerr; |
1210 |
} |
1211 |
} |
1212 |
return; |
1213 |
} |
1214 |
/* badopt: */ /* label not used */ |
1215 |
fprintf(stderr, "%s: botched file type\n", progname); |
1216 |
quit(1); |
1217 |
namerr: |
1218 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1219 |
progname); |
1220 |
quit(1); |
1221 |
seekerr: |
1222 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1223 |
progname); |
1224 |
quit(1); |
1225 |
} |