1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.28 2004/10/01 07:46:26 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 |
|
70 |
|
71 |
static double |
72 |
rgb_bright( |
73 |
COLOR clr |
74 |
) |
75 |
{ |
76 |
return(bright(clr)); |
77 |
} |
78 |
|
79 |
static double |
80 |
xyz_bright( |
81 |
COLOR clr |
82 |
) |
83 |
{ |
84 |
return(clr[CIEY]); |
85 |
} |
86 |
|
87 |
int |
88 |
main( |
89 |
int argc, |
90 |
char **argv |
91 |
) |
92 |
{ |
93 |
double d, expval = 1.0; |
94 |
int i; |
95 |
|
96 |
progname = argv[0]; |
97 |
mybright = &rgb_bright; /* default */ |
98 |
|
99 |
for (i = 1; i < argc; i++) |
100 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
101 |
switch (argv[i][1]) { |
102 |
case 'h': /* header */ |
103 |
header = argv[i][0] == '+'; |
104 |
break; |
105 |
case 'H': /* resolution string */ |
106 |
resolution = argv[i][0] == '+'; |
107 |
break; |
108 |
case 's': /* skip bytes in header */ |
109 |
skipbytes = atol(argv[++i]); |
110 |
break; |
111 |
case 'u': /* unique values */ |
112 |
uniq = argv[i][0] == '-'; |
113 |
break; |
114 |
case 'o': /* original values */ |
115 |
original = argv[i][0] == '-'; |
116 |
break; |
117 |
case 'g': /* gamma correction */ |
118 |
gamcor = atof(argv[i+1]); |
119 |
if (argv[i][0] == '+') |
120 |
gamcor = 1.0/gamcor; |
121 |
i++; |
122 |
break; |
123 |
case 'e': /* exposure correction */ |
124 |
d = atof(argv[i+1]); |
125 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
126 |
d = pow(2.0, d); |
127 |
if (argv[i][0] == '-') |
128 |
expval *= d; |
129 |
scalecolor(exposure, d); |
130 |
doexposure++; |
131 |
i++; |
132 |
break; |
133 |
case 'R': /* reverse byte sequence */ |
134 |
if (argv[i][0] == '-') { |
135 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
136 |
} else { |
137 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
138 |
} |
139 |
break; |
140 |
case 'r': /* reverse conversion */ |
141 |
reverse = argv[i][0] == '-'; |
142 |
break; |
143 |
case 'n': /* non-interleaved RGB */ |
144 |
interleave = argv[i][0] == '+'; |
145 |
break; |
146 |
case 'b': /* brightness values */ |
147 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
148 |
break; |
149 |
case 'p': /* put primary */ |
150 |
switch (argv[i][2]) { |
151 |
case 'r': case 'R': putprim = RED; break; |
152 |
case 'g': case 'G': putprim = GRN; break; |
153 |
case 'b': case 'B': putprim = BLU; break; |
154 |
default: goto unkopt; |
155 |
} |
156 |
break; |
157 |
case 'd': /* data only (no indices) */ |
158 |
dataonly = argv[i][0] == '-'; |
159 |
switch (argv[i][2]) { |
160 |
case '\0': |
161 |
case 'a': /* ascii */ |
162 |
format = 'a'; |
163 |
fmtid = "ascii"; |
164 |
break; |
165 |
case 'i': /* integer */ |
166 |
format = 'i'; |
167 |
fmtid = "ascii"; |
168 |
break; |
169 |
case 'b': /* byte */ |
170 |
dataonly = 1; |
171 |
format = 'b'; |
172 |
fmtid = "byte"; |
173 |
break; |
174 |
case 'W': /* 16-bit swapped */ |
175 |
swapbytes = 1; |
176 |
case 'w': /* 16-bit */ |
177 |
dataonly = 1; |
178 |
format = 'w'; |
179 |
fmtid = "16-bit"; |
180 |
break; |
181 |
case 'F': /* swapped floats */ |
182 |
swapbytes = 1; |
183 |
case 'f': /* float */ |
184 |
dataonly = 1; |
185 |
format = 'f'; |
186 |
fmtid = "float"; |
187 |
break; |
188 |
case 'D': /* swapped doubles */ |
189 |
swapbytes = 1; |
190 |
case 'd': /* double */ |
191 |
dataonly = 1; |
192 |
format = 'd'; |
193 |
fmtid = "double"; |
194 |
break; |
195 |
default: |
196 |
goto unkopt; |
197 |
} |
198 |
break; |
199 |
case 'x': /* x resolution */ |
200 |
case 'X': /* x resolution */ |
201 |
resolution = 0; |
202 |
if (argv[i][0] == '-') |
203 |
picres.rt |= XDECR; |
204 |
picres.xr = atoi(argv[++i]); |
205 |
break; |
206 |
case 'y': /* y resolution */ |
207 |
case 'Y': /* y resolution */ |
208 |
resolution = 0; |
209 |
if (argv[i][0] == '-') |
210 |
picres.rt |= YDECR; |
211 |
if (picres.xr == 0) |
212 |
picres.rt |= YMAJOR; |
213 |
picres.yr = atoi(argv[++i]); |
214 |
break; |
215 |
default: |
216 |
unkopt: |
217 |
fprintf(stderr, "%s: unknown option: %s\n", |
218 |
progname, argv[i]); |
219 |
quit(1); |
220 |
break; |
221 |
} |
222 |
else |
223 |
break; |
224 |
/* recognize special formats */ |
225 |
if (dataonly && format == 'b') { |
226 |
if (putprim == ALL) |
227 |
fmtid = "24-bit_rgb"; |
228 |
else |
229 |
fmtid = "8-bit_grey"; |
230 |
} |
231 |
if (dataonly && format == 'w') { |
232 |
if (putprim == ALL) |
233 |
fmtid = "48-bit_rgb"; |
234 |
else |
235 |
fmtid = "16-bit_grey"; |
236 |
} |
237 |
/* assign reverse ordering */ |
238 |
rord[ord[0]] = 0; |
239 |
rord[ord[1]] = 1; |
240 |
rord[ord[2]] = 2; |
241 |
/* get input */ |
242 |
if (i == argc) { |
243 |
fin = stdin; |
244 |
} else if (i < argc) { |
245 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
246 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
247 |
progname, argv[i]); |
248 |
quit(1); |
249 |
} |
250 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
251 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
252 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
253 |
progname, argv[i+1]); |
254 |
quit(1); |
255 |
} |
256 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
257 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
258 |
progname, argv[i+2]); |
259 |
quit(1); |
260 |
} |
261 |
interleave = -1; |
262 |
} else if (i != argc-1) |
263 |
fin = NULL; |
264 |
if (reverse && putprim != BRIGHT && !interleave) { |
265 |
fin2 = fopen(argv[i], "r"); |
266 |
fin3 = fopen(argv[i], "r"); |
267 |
} |
268 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
269 |
(fseek(fin2, skipbytes, 0) || |
270 |
fseek(fin3, skipbytes, 0))))) { |
271 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
272 |
progname, skipbytes); |
273 |
quit(1); |
274 |
} |
275 |
} |
276 |
if (fin == NULL) { |
277 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
278 |
quit(1); |
279 |
} |
280 |
|
281 |
if (reverse) { |
282 |
#ifdef _WIN32 |
283 |
SET_FILE_BINARY(stdout); |
284 |
if (format != 'a' && format != 'i') |
285 |
SET_FILE_BINARY(fin); |
286 |
#endif |
287 |
/* get header */ |
288 |
if (header) { |
289 |
if (checkheader(fin, fmtid, stdout) < 0) { |
290 |
fprintf(stderr, "%s: wrong input format\n", |
291 |
progname); |
292 |
quit(1); |
293 |
} |
294 |
if (fin2 != NULL) { |
295 |
getheader(fin2, NULL, NULL); |
296 |
getheader(fin3, NULL, NULL); |
297 |
} |
298 |
} else |
299 |
newheader("RADIANCE", stdout); |
300 |
/* get resolution */ |
301 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
302 |
picres.xr <= 0 || picres.yr <= 0) { |
303 |
fprintf(stderr, "%s: missing resolution\n", progname); |
304 |
quit(1); |
305 |
} |
306 |
if (resolution && fin2 != NULL) { |
307 |
RESOLU pres2; |
308 |
if (!fgetsresolu(&pres2, fin2) || |
309 |
pres2.rt != picres.rt || |
310 |
pres2.xr != picres.xr || |
311 |
pres2.yr != picres.yr || |
312 |
!fgetsresolu(&pres2, fin3) || |
313 |
pres2.rt != picres.rt || |
314 |
pres2.xr != picres.xr || |
315 |
pres2.yr != picres.yr) { |
316 |
fprintf(stderr, "%s: resolution mismatch\n", |
317 |
progname); |
318 |
quit(1); |
319 |
} |
320 |
} |
321 |
/* add to header */ |
322 |
printargs(i, argv, stdout); |
323 |
if (expval < .99 || expval > 1.01) |
324 |
fputexpos(expval, stdout); |
325 |
fputformat(COLRFMT, stdout); |
326 |
putchar('\n'); |
327 |
fputsresolu(&picres, stdout); /* always put resolution */ |
328 |
valtopix(); |
329 |
} else { |
330 |
#ifdef _WIN32 |
331 |
SET_FILE_BINARY(fin); |
332 |
if (format != 'a' && format != 'i') |
333 |
SET_FILE_BINARY(stdout); |
334 |
#endif |
335 |
/* get header */ |
336 |
getheader(fin, checkhead, NULL); |
337 |
if (wrongformat) { |
338 |
fprintf(stderr, |
339 |
"%s: input not a Radiance RGBE picture\n", |
340 |
progname); |
341 |
quit(1); |
342 |
} |
343 |
if (!fgetsresolu(&picres, fin)) { |
344 |
fprintf(stderr, "%s: missing resolution\n", progname); |
345 |
quit(1); |
346 |
} |
347 |
if (header) { |
348 |
printargs(i, argv, stdout); |
349 |
if (expval < .99 || expval > 1.01) |
350 |
fputexpos(expval, stdout); |
351 |
fputformat(fmtid, stdout); |
352 |
putchar('\n'); |
353 |
} |
354 |
if (resolution) /* put resolution */ |
355 |
fputsresolu(&picres, stdout); |
356 |
pixtoval(); |
357 |
} |
358 |
|
359 |
quit(0); |
360 |
return 0; /* pro forma return */ |
361 |
} |
362 |
|
363 |
|
364 |
static int |
365 |
checkhead( /* deal with line from header */ |
366 |
char *line, |
367 |
void *p |
368 |
) |
369 |
{ |
370 |
char fmt[32]; |
371 |
double d; |
372 |
COLOR ctmp; |
373 |
|
374 |
if (formatval(fmt, line)) { |
375 |
if (!strcmp(fmt, CIEFMT)) |
376 |
mybright = &xyz_bright; |
377 |
else if (!strcmp(fmt, COLRFMT)) |
378 |
mybright = &rgb_bright; |
379 |
else |
380 |
wrongformat++; |
381 |
} else if (original && isexpos(line)) { |
382 |
d = 1.0/exposval(line); |
383 |
scalecolor(exposure, d); |
384 |
doexposure++; |
385 |
} else if (original && iscolcor(line)) { |
386 |
colcorval(ctmp, line); |
387 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
388 |
colval(exposure,GRN)/colval(ctmp,GRN), |
389 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
390 |
doexposure++; |
391 |
} else if (header) |
392 |
fputs(line, stdout); |
393 |
return(0); |
394 |
} |
395 |
|
396 |
|
397 |
static void |
398 |
pixtoval(void) /* convert picture to values */ |
399 |
{ |
400 |
register COLOR *scanln; |
401 |
int dogamma; |
402 |
COLOR lastc; |
403 |
RREAL hv[2]; |
404 |
int startprim, endprim; |
405 |
long startpos; |
406 |
int y; |
407 |
register int x; |
408 |
|
409 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
410 |
if (scanln == NULL) { |
411 |
fprintf(stderr, "%s: out of memory\n", progname); |
412 |
quit(1); |
413 |
} |
414 |
dogamma = gamcor < .95 || gamcor > 1.05; |
415 |
if (putprim == ALL && !interleave) { |
416 |
startprim = RED; endprim = BLU; |
417 |
startpos = ftell(fin); |
418 |
} else { |
419 |
startprim = putprim; endprim = putprim; |
420 |
} |
421 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
422 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
423 |
fprintf(stderr, "%s: seek error on input file\n", |
424 |
progname); |
425 |
quit(1); |
426 |
} |
427 |
set_io(); |
428 |
setcolor(lastc, 0.0, 0.0, 0.0); |
429 |
for (y = 0; y < numscans(&picres); y++) { |
430 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
431 |
fprintf(stderr, "%s: read error\n", progname); |
432 |
quit(1); |
433 |
} |
434 |
for (x = 0; x < scanlen(&picres); x++) { |
435 |
if (uniq) { |
436 |
if ( colval(scanln[x],RED) == |
437 |
colval(lastc,RED) && |
438 |
colval(scanln[x],GRN) == |
439 |
colval(lastc,GRN) && |
440 |
colval(scanln[x],BLU) == |
441 |
colval(lastc,BLU) ) |
442 |
continue; |
443 |
else |
444 |
copycolor(lastc, scanln[x]); |
445 |
} |
446 |
if (doexposure) |
447 |
multcolor(scanln[x], exposure); |
448 |
if (dogamma) |
449 |
setcolor(scanln[x], |
450 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
451 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
452 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
453 |
if (!dataonly) { |
454 |
pix2loc(hv, &picres, x, y); |
455 |
printf("%7d %7d ", |
456 |
(int)(hv[0]*picres.xr), |
457 |
(int)(hv[1]*picres.yr)); |
458 |
} |
459 |
if ((*putval)(scanln[x]) < 0) { |
460 |
fprintf(stderr, "%s: write error\n", |
461 |
progname); |
462 |
quit(1); |
463 |
} |
464 |
} |
465 |
} |
466 |
} |
467 |
free((void *)scanln); |
468 |
} |
469 |
|
470 |
|
471 |
static void |
472 |
valtopix(void) /* convert values to a pixel file */ |
473 |
{ |
474 |
int dogamma; |
475 |
register COLOR *scanln; |
476 |
int y; |
477 |
register int x; |
478 |
|
479 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
480 |
if (scanln == NULL) { |
481 |
fprintf(stderr, "%s: out of memory\n", progname); |
482 |
quit(1); |
483 |
} |
484 |
dogamma = gamcor < .95 || gamcor > 1.05; |
485 |
set_io(); |
486 |
for (y = 0; y < numscans(&picres); y++) { |
487 |
for (x = 0; x < scanlen(&picres); x++) { |
488 |
if (!dataonly) { |
489 |
fscanf(fin, "%*d %*d"); |
490 |
if (fin2 != NULL) { |
491 |
fscanf(fin2, "%*d %*d"); |
492 |
fscanf(fin3, "%*d %*d"); |
493 |
} |
494 |
} |
495 |
if ((*getval)(scanln[x]) < 0) { |
496 |
fprintf(stderr, "%s: read error\n", progname); |
497 |
quit(1); |
498 |
} |
499 |
if (dogamma) |
500 |
setcolor(scanln[x], |
501 |
pow(colval(scanln[x],RED), gamcor), |
502 |
pow(colval(scanln[x],GRN), gamcor), |
503 |
pow(colval(scanln[x],BLU), gamcor)); |
504 |
if (doexposure) |
505 |
multcolor(scanln[x], exposure); |
506 |
} |
507 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
508 |
fprintf(stderr, "%s: write error\n", progname); |
509 |
quit(1); |
510 |
} |
511 |
} |
512 |
free((void *)scanln); |
513 |
} |
514 |
|
515 |
|
516 |
void |
517 |
quit(code) |
518 |
int code; |
519 |
{ |
520 |
exit(code); |
521 |
} |
522 |
|
523 |
|
524 |
static int |
525 |
getcascii( /* get an ascii color value from stream(s) */ |
526 |
COLOR col |
527 |
) |
528 |
{ |
529 |
double vd[3]; |
530 |
|
531 |
if (fin2 == NULL) { |
532 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
533 |
return(-1); |
534 |
} else { |
535 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
536 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
537 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
538 |
return(-1); |
539 |
} |
540 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
541 |
return(0); |
542 |
} |
543 |
|
544 |
|
545 |
static int |
546 |
getcdouble( /* get a double color value from stream(s) */ |
547 |
COLOR col |
548 |
) |
549 |
{ |
550 |
double vd[3]; |
551 |
|
552 |
if (fin2 == NULL) { |
553 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
554 |
return(-1); |
555 |
} else { |
556 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
557 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
558 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
559 |
return(-1); |
560 |
} |
561 |
if (swapbytes) |
562 |
swap64((char *)vd, 3); |
563 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
564 |
return(0); |
565 |
} |
566 |
|
567 |
|
568 |
static int |
569 |
getcfloat( /* get a float color value from stream(s) */ |
570 |
COLOR col |
571 |
) |
572 |
{ |
573 |
float vf[3]; |
574 |
|
575 |
if (fin2 == NULL) { |
576 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
577 |
return(-1); |
578 |
} else { |
579 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
580 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
581 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
582 |
return(-1); |
583 |
} |
584 |
if (swapbytes) |
585 |
swap32((char *)vf, 3); |
586 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
587 |
return(0); |
588 |
} |
589 |
|
590 |
|
591 |
static int |
592 |
getcint( /* get an int color value from stream(s) */ |
593 |
COLOR col |
594 |
) |
595 |
{ |
596 |
int vi[3]; |
597 |
|
598 |
if (fin2 == NULL) { |
599 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
600 |
return(-1); |
601 |
} else { |
602 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
603 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
604 |
fscanf(fin3, "%d", &vi[2]) != 1) |
605 |
return(-1); |
606 |
} |
607 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
608 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
609 |
return(0); |
610 |
} |
611 |
|
612 |
|
613 |
static int |
614 |
getcbyte( /* get a byte color value from stream(s) */ |
615 |
COLOR col |
616 |
) |
617 |
{ |
618 |
BYTE vb[3]; |
619 |
|
620 |
if (fin2 == NULL) { |
621 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
622 |
return(-1); |
623 |
} else { |
624 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
625 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
626 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
627 |
return(-1); |
628 |
} |
629 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
630 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
631 |
return(0); |
632 |
} |
633 |
|
634 |
|
635 |
static int |
636 |
getcword( /* get a 16-bit color value from stream(s) */ |
637 |
COLOR col |
638 |
) |
639 |
{ |
640 |
uint16 vw[3]; |
641 |
|
642 |
if (fin2 == NULL) { |
643 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
644 |
return(-1); |
645 |
} else { |
646 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
647 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
648 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
649 |
return(-1); |
650 |
} |
651 |
if (swapbytes) |
652 |
swap16((char *)vw, 3); |
653 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
654 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
655 |
return(0); |
656 |
} |
657 |
|
658 |
|
659 |
static int |
660 |
getbascii( /* get an ascii brightness value from fin */ |
661 |
COLOR col |
662 |
) |
663 |
{ |
664 |
double vd; |
665 |
|
666 |
if (fscanf(fin, "%lf", &vd) != 1) |
667 |
return(-1); |
668 |
setcolor(col, vd, vd, vd); |
669 |
return(0); |
670 |
} |
671 |
|
672 |
|
673 |
static int |
674 |
getbdouble( /* get a double brightness value from fin */ |
675 |
COLOR col |
676 |
) |
677 |
{ |
678 |
double vd; |
679 |
|
680 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
681 |
return(-1); |
682 |
if (swapbytes) |
683 |
swap64((char *)&vd, 1); |
684 |
setcolor(col, vd, vd, vd); |
685 |
return(0); |
686 |
} |
687 |
|
688 |
|
689 |
static int |
690 |
getbfloat( /* get a float brightness value from fin */ |
691 |
COLOR col |
692 |
) |
693 |
{ |
694 |
float vf; |
695 |
|
696 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
697 |
return(-1); |
698 |
if (swapbytes) |
699 |
swap32((char *)&vf, 1); |
700 |
setcolor(col, vf, vf, vf); |
701 |
return(0); |
702 |
} |
703 |
|
704 |
|
705 |
static int |
706 |
getbint( /* get an int brightness value from fin */ |
707 |
COLOR col |
708 |
) |
709 |
{ |
710 |
int vi; |
711 |
double d; |
712 |
|
713 |
if (fscanf(fin, "%d", &vi) != 1) |
714 |
return(-1); |
715 |
d = (vi+.5)/256.; |
716 |
setcolor(col, d, d, d); |
717 |
return(0); |
718 |
} |
719 |
|
720 |
|
721 |
static int |
722 |
getbbyte( /* get a byte brightness value from fin */ |
723 |
COLOR col |
724 |
) |
725 |
{ |
726 |
BYTE vb; |
727 |
double d; |
728 |
|
729 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
730 |
return(-1); |
731 |
d = (vb+.5)/256.; |
732 |
setcolor(col, d, d, d); |
733 |
return(0); |
734 |
} |
735 |
|
736 |
|
737 |
static int |
738 |
getbword( /* get a 16-bit brightness value from fin */ |
739 |
COLOR col |
740 |
) |
741 |
{ |
742 |
uint16 vw; |
743 |
double d; |
744 |
|
745 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
746 |
return(-1); |
747 |
if (swapbytes) |
748 |
swap16((char *)&vw, 1); |
749 |
d = (vw+.5)/65536.; |
750 |
setcolor(col, d, d, d); |
751 |
return(0); |
752 |
} |
753 |
|
754 |
|
755 |
static int |
756 |
putcascii( /* put an ascii color to stdout */ |
757 |
COLOR col |
758 |
) |
759 |
{ |
760 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
761 |
colval(col,ord[0]), |
762 |
colval(col,ord[1]), |
763 |
colval(col,ord[2])); |
764 |
|
765 |
return(ferror(stdout) ? -1 : 0); |
766 |
} |
767 |
|
768 |
|
769 |
static int |
770 |
putcfloat( /* put a float color to stdout */ |
771 |
COLOR col |
772 |
) |
773 |
{ |
774 |
float vf[3]; |
775 |
|
776 |
vf[0] = colval(col,ord[0]); |
777 |
vf[1] = colval(col,ord[1]); |
778 |
vf[2] = colval(col,ord[2]); |
779 |
if (swapbytes) |
780 |
swap32((char *)vf, 3); |
781 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
782 |
|
783 |
return(ferror(stdout) ? -1 : 0); |
784 |
} |
785 |
|
786 |
|
787 |
static int |
788 |
putcdouble( /* put a double color to stdout */ |
789 |
COLOR col |
790 |
) |
791 |
{ |
792 |
double vd[3]; |
793 |
|
794 |
vd[0] = colval(col,ord[0]); |
795 |
vd[1] = colval(col,ord[1]); |
796 |
vd[2] = colval(col,ord[2]); |
797 |
if (swapbytes) |
798 |
swap64((char *)vd, 3); |
799 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
800 |
|
801 |
return(ferror(stdout) ? -1 : 0); |
802 |
} |
803 |
|
804 |
|
805 |
static int |
806 |
putcint( /* put an int color to stdout */ |
807 |
COLOR col |
808 |
) |
809 |
{ |
810 |
fprintf(stdout, "%d %d %d\n", |
811 |
(int)(colval(col,ord[0])*256.), |
812 |
(int)(colval(col,ord[1])*256.), |
813 |
(int)(colval(col,ord[2])*256.)); |
814 |
|
815 |
return(ferror(stdout) ? -1 : 0); |
816 |
} |
817 |
|
818 |
|
819 |
static int |
820 |
putcbyte( /* put a byte color to stdout */ |
821 |
COLOR col |
822 |
) |
823 |
{ |
824 |
long i; |
825 |
BYTE vb[3]; |
826 |
|
827 |
i = colval(col,ord[0])*256.; |
828 |
vb[0] = min(i,255); |
829 |
i = colval(col,ord[1])*256.; |
830 |
vb[1] = min(i,255); |
831 |
i = colval(col,ord[2])*256.; |
832 |
vb[2] = min(i,255); |
833 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
834 |
|
835 |
return(ferror(stdout) ? -1 : 0); |
836 |
} |
837 |
|
838 |
|
839 |
static int |
840 |
putcword( /* put a 16-bit color to stdout */ |
841 |
COLOR col |
842 |
) |
843 |
{ |
844 |
long i; |
845 |
uint16 vw[3]; |
846 |
|
847 |
i = colval(col,ord[0])*65536.; |
848 |
vw[0] = min(i,65535); |
849 |
i = colval(col,ord[1])*65536.; |
850 |
vw[1] = min(i,65535); |
851 |
i = colval(col,ord[2])*65536.; |
852 |
vw[2] = min(i,65535); |
853 |
if (swapbytes) |
854 |
swap16((char *)vw, 3); |
855 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
856 |
|
857 |
return(ferror(stdout) ? -1 : 0); |
858 |
} |
859 |
|
860 |
|
861 |
static int |
862 |
putbascii( /* put an ascii brightness to stdout */ |
863 |
COLOR col |
864 |
) |
865 |
{ |
866 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
867 |
|
868 |
return(ferror(stdout) ? -1 : 0); |
869 |
} |
870 |
|
871 |
|
872 |
static int |
873 |
putbfloat( /* put a float brightness to stdout */ |
874 |
COLOR col |
875 |
) |
876 |
{ |
877 |
float vf; |
878 |
|
879 |
vf = (*mybright)(col); |
880 |
if (swapbytes) |
881 |
swap32((char *)&vf, 1); |
882 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
883 |
|
884 |
return(ferror(stdout) ? -1 : 0); |
885 |
} |
886 |
|
887 |
|
888 |
static int |
889 |
putbdouble( /* put a double brightness to stdout */ |
890 |
COLOR col |
891 |
) |
892 |
{ |
893 |
double vd; |
894 |
|
895 |
vd = (*mybright)(col); |
896 |
if (swapbytes) |
897 |
swap64((char *)&vd, 1); |
898 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
899 |
|
900 |
return(ferror(stdout) ? -1 : 0); |
901 |
} |
902 |
|
903 |
|
904 |
static int |
905 |
putbint( /* put an int brightness to stdout */ |
906 |
COLOR col |
907 |
) |
908 |
{ |
909 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
910 |
|
911 |
return(ferror(stdout) ? -1 : 0); |
912 |
} |
913 |
|
914 |
|
915 |
static int |
916 |
putbbyte( /* put a byte brightness to stdout */ |
917 |
COLOR col |
918 |
) |
919 |
{ |
920 |
register int i; |
921 |
BYTE vb; |
922 |
|
923 |
i = (*mybright)(col)*256.; |
924 |
vb = min(i,255); |
925 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
926 |
|
927 |
return(ferror(stdout) ? -1 : 0); |
928 |
} |
929 |
|
930 |
|
931 |
static int |
932 |
putbword( /* put a 16-bit brightness to stdout */ |
933 |
COLOR col |
934 |
) |
935 |
{ |
936 |
long i; |
937 |
uint16 vw; |
938 |
|
939 |
i = (*mybright)(col)*65536.; |
940 |
vw = min(i,65535); |
941 |
if (swapbytes) |
942 |
swap16((char *)&vw, 1); |
943 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
944 |
|
945 |
return(ferror(stdout) ? -1 : 0); |
946 |
} |
947 |
|
948 |
|
949 |
static int |
950 |
putpascii( /* put an ascii primary to stdout */ |
951 |
COLOR col |
952 |
) |
953 |
{ |
954 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
955 |
|
956 |
return(ferror(stdout) ? -1 : 0); |
957 |
} |
958 |
|
959 |
|
960 |
static int |
961 |
putpfloat( /* put a float primary to stdout */ |
962 |
COLOR col |
963 |
) |
964 |
{ |
965 |
float vf; |
966 |
|
967 |
vf = colval(col,putprim); |
968 |
if (swapbytes) |
969 |
swap32((char *)&vf, 1); |
970 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
971 |
|
972 |
return(ferror(stdout) ? -1 : 0); |
973 |
} |
974 |
|
975 |
|
976 |
static int |
977 |
putpdouble( /* put a double primary to stdout */ |
978 |
COLOR col |
979 |
) |
980 |
{ |
981 |
double vd; |
982 |
|
983 |
vd = colval(col,putprim); |
984 |
if (swapbytes) |
985 |
swap64((char *)&vd, 1); |
986 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
987 |
|
988 |
return(ferror(stdout) ? -1 : 0); |
989 |
} |
990 |
|
991 |
|
992 |
static int |
993 |
putpint( /* put an int primary to stdout */ |
994 |
COLOR col |
995 |
) |
996 |
{ |
997 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
998 |
|
999 |
return(ferror(stdout) ? -1 : 0); |
1000 |
} |
1001 |
|
1002 |
|
1003 |
static int |
1004 |
putpbyte( /* put a byte primary to stdout */ |
1005 |
COLOR col |
1006 |
) |
1007 |
{ |
1008 |
long i; |
1009 |
BYTE vb; |
1010 |
|
1011 |
i = colval(col,putprim)*256.; |
1012 |
vb = min(i,255); |
1013 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
1014 |
|
1015 |
return(ferror(stdout) ? -1 : 0); |
1016 |
} |
1017 |
|
1018 |
|
1019 |
static int |
1020 |
putpword( /* put a 16-bit primary to stdout */ |
1021 |
COLOR col |
1022 |
) |
1023 |
{ |
1024 |
long i; |
1025 |
uint16 vw; |
1026 |
|
1027 |
i = colval(col,putprim)*65536.; |
1028 |
vw = min(i,65535); |
1029 |
if (swapbytes) |
1030 |
swap16((char *)&vw, 1); |
1031 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
1032 |
|
1033 |
return(ferror(stdout) ? -1 : 0); |
1034 |
} |
1035 |
|
1036 |
|
1037 |
static void |
1038 |
set_io(void) /* set put and get functions */ |
1039 |
{ |
1040 |
switch (format) { |
1041 |
case 'a': /* ascii */ |
1042 |
if (putprim == BRIGHT) { |
1043 |
getval = getbascii; |
1044 |
putval = putbascii; |
1045 |
} else if (putprim != ALL) { |
1046 |
getval = getbascii; |
1047 |
putval = putpascii; |
1048 |
} else { |
1049 |
getval = getcascii; |
1050 |
putval = putcascii; |
1051 |
if (reverse && !interleave) { |
1052 |
fprintf(stderr, |
1053 |
"%s: ASCII input files must be interleaved\n", |
1054 |
progname); |
1055 |
quit(1); |
1056 |
} |
1057 |
} |
1058 |
return; |
1059 |
case 'f': /* binary float */ |
1060 |
if (putprim == BRIGHT) { |
1061 |
getval = getbfloat; |
1062 |
putval = putbfloat; |
1063 |
} else if (putprim != ALL) { |
1064 |
getval = getbfloat; |
1065 |
putval = putpfloat; |
1066 |
} else { |
1067 |
getval = getcfloat; |
1068 |
putval = putcfloat; |
1069 |
if (reverse && !interleave) { |
1070 |
if (fin2 == NULL) |
1071 |
goto namerr; |
1072 |
if (fseek(fin2, |
1073 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
1074 |
goto seekerr; |
1075 |
if (fseek(fin3, |
1076 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
1077 |
goto seekerr; |
1078 |
} |
1079 |
} |
1080 |
return; |
1081 |
case 'd': /* binary double */ |
1082 |
if (putprim == BRIGHT) { |
1083 |
getval = getbdouble; |
1084 |
putval = putbdouble; |
1085 |
} else if (putprim != ALL) { |
1086 |
getval = getbdouble; |
1087 |
putval = putpdouble; |
1088 |
} else { |
1089 |
getval = getcdouble; |
1090 |
putval = putcdouble; |
1091 |
if (reverse && !interleave) { |
1092 |
if (fin2 == NULL) |
1093 |
goto namerr; |
1094 |
if (fseek(fin2, |
1095 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
1096 |
goto seekerr; |
1097 |
if (fseek(fin3, |
1098 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
1099 |
goto seekerr; |
1100 |
} |
1101 |
} |
1102 |
return; |
1103 |
case 'i': /* integer */ |
1104 |
if (putprim == BRIGHT) { |
1105 |
getval = getbint; |
1106 |
putval = putbint; |
1107 |
} else if (putprim != ALL) { |
1108 |
getval = getbint; |
1109 |
putval = putpint; |
1110 |
} else { |
1111 |
getval = getcint; |
1112 |
putval = putcint; |
1113 |
if (reverse && !interleave) { |
1114 |
fprintf(stderr, |
1115 |
"%s: integer input files must be interleaved\n", |
1116 |
progname); |
1117 |
quit(1); |
1118 |
} |
1119 |
} |
1120 |
return; |
1121 |
case 'b': /* byte */ |
1122 |
if (putprim == BRIGHT) { |
1123 |
getval = getbbyte; |
1124 |
putval = putbbyte; |
1125 |
} else if (putprim != ALL) { |
1126 |
getval = getbbyte; |
1127 |
putval = putpbyte; |
1128 |
} else { |
1129 |
getval = getcbyte; |
1130 |
putval = putcbyte; |
1131 |
if (reverse && !interleave) { |
1132 |
if (fin2 == NULL) |
1133 |
goto namerr; |
1134 |
if (fseek(fin2, |
1135 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
1136 |
goto seekerr; |
1137 |
if (fseek(fin3, |
1138 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1139 |
goto seekerr; |
1140 |
} |
1141 |
} |
1142 |
return; |
1143 |
case 'w': /* 16-bit */ |
1144 |
if (putprim == BRIGHT) { |
1145 |
getval = getbword; |
1146 |
putval = putbword; |
1147 |
} else if (putprim != ALL) { |
1148 |
getval = getbword; |
1149 |
putval = putpword; |
1150 |
} else { |
1151 |
getval = getcword; |
1152 |
putval = putcword; |
1153 |
if (reverse && !interleave) { |
1154 |
if (fin2 == NULL) |
1155 |
goto namerr; |
1156 |
if (fseek(fin2, |
1157 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1158 |
goto seekerr; |
1159 |
if (fseek(fin3, |
1160 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1161 |
goto seekerr; |
1162 |
} |
1163 |
} |
1164 |
return; |
1165 |
} |
1166 |
/* badopt: */ /* label not used */ |
1167 |
fprintf(stderr, "%s: botched file type\n", progname); |
1168 |
quit(1); |
1169 |
namerr: |
1170 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1171 |
progname); |
1172 |
quit(1); |
1173 |
seekerr: |
1174 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1175 |
progname); |
1176 |
quit(1); |
1177 |
} |