1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id$"; |
3 |
#endif |
4 |
/* |
5 |
* pvalue.c - program to print pixel values. |
6 |
* |
7 |
* 4/23/86 |
8 |
*/ |
9 |
|
10 |
#include "standard.h" |
11 |
|
12 |
#include "color.h" |
13 |
|
14 |
#include <time.h> |
15 |
|
16 |
#include "resolu.h" |
17 |
|
18 |
#define min(a,b) ((a)<(b)?(a):(b)) |
19 |
|
20 |
/* what to put out (also RED, GRN, BLU) */ |
21 |
#define ALL 3 |
22 |
#define BRIGHT 4 |
23 |
|
24 |
#define brightonly (putprim==BRIGHT) |
25 |
|
26 |
RESOLU picres; /* resolution of picture */ |
27 |
|
28 |
int uniq = 0; /* print only unique values? */ |
29 |
|
30 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
31 |
|
32 |
int dataonly = 0; /* data only format? */ |
33 |
|
34 |
int putprim = ALL; /* what to put out */ |
35 |
|
36 |
int reverse = 0; /* reverse conversion? */ |
37 |
|
38 |
int format = 'a'; /* input/output format */ |
39 |
char *fmtid = "ascii"; /* format identifier for header */ |
40 |
|
41 |
int header = 1; /* do header? */ |
42 |
|
43 |
long skipbytes = 0; /* skip bytes in input? */ |
44 |
|
45 |
int interleave = 1; /* file is interleaved? */ |
46 |
|
47 |
int resolution = 1; /* put/get resolution string? */ |
48 |
|
49 |
int original = 0; /* convert to original values? */ |
50 |
|
51 |
int wrongformat = 0; /* wrong input format? */ |
52 |
|
53 |
double gamcor = 1.0; /* gamma correction */ |
54 |
|
55 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
56 |
int rord[4]; /* reverse ordering */ |
57 |
|
58 |
COLOR exposure = WHTCOLOR; |
59 |
|
60 |
char *progname; |
61 |
|
62 |
FILE *fin; |
63 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
64 |
|
65 |
int (*getval)(), (*putval)(); |
66 |
|
67 |
double |
68 |
rgb_bright(clr) |
69 |
COLOR clr; |
70 |
{ |
71 |
return(bright(clr)); |
72 |
} |
73 |
|
74 |
double |
75 |
xyz_bright(clr) |
76 |
COLOR clr; |
77 |
{ |
78 |
return(clr[CIEY]); |
79 |
} |
80 |
|
81 |
double (*mybright)() = &rgb_bright; |
82 |
|
83 |
|
84 |
main(argc, argv) |
85 |
int argc; |
86 |
char **argv; |
87 |
{ |
88 |
extern int checkhead(); |
89 |
extern long atol(); |
90 |
double d, expval = 1.0; |
91 |
int i; |
92 |
|
93 |
progname = argv[0]; |
94 |
|
95 |
for (i = 1; i < argc; i++) |
96 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
97 |
switch (argv[i][1]) { |
98 |
case 'h': /* header */ |
99 |
header = argv[i][0] == '+'; |
100 |
break; |
101 |
case 'H': /* resolution string */ |
102 |
resolution = argv[i][0] == '+'; |
103 |
break; |
104 |
case 's': /* skip bytes in header */ |
105 |
skipbytes = atol(argv[++i]); |
106 |
break; |
107 |
case 'u': /* unique values */ |
108 |
uniq = argv[i][0] == '-'; |
109 |
break; |
110 |
case 'o': /* original values */ |
111 |
original = argv[i][0] == '-'; |
112 |
break; |
113 |
case 'g': /* gamma correction */ |
114 |
gamcor = atof(argv[i+1]); |
115 |
if (argv[i][0] == '+') |
116 |
gamcor = 1.0/gamcor; |
117 |
i++; |
118 |
break; |
119 |
case 'e': /* exposure correction */ |
120 |
d = atof(argv[i+1]); |
121 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
122 |
d = pow(2.0, d); |
123 |
if (argv[i][0] == '-') |
124 |
expval *= d; |
125 |
scalecolor(exposure, d); |
126 |
doexposure++; |
127 |
i++; |
128 |
break; |
129 |
case 'R': /* reverse byte sequence */ |
130 |
if (argv[i][0] == '-') { |
131 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
132 |
} else { |
133 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
134 |
} |
135 |
break; |
136 |
case 'r': /* reverse conversion */ |
137 |
reverse = argv[i][0] == '-'; |
138 |
break; |
139 |
case 'n': /* non-interleaved RGB */ |
140 |
interleave = argv[i][0] == '+'; |
141 |
break; |
142 |
case 'b': /* brightness values */ |
143 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
144 |
break; |
145 |
case 'p': /* put primary */ |
146 |
switch (argv[i][2]) { |
147 |
case 'r': case 'R': putprim = RED; break; |
148 |
case 'g': case 'G': putprim = GRN; break; |
149 |
case 'b': case 'B': putprim = BLU; break; |
150 |
default: goto unkopt; |
151 |
} |
152 |
break; |
153 |
case 'd': /* data only (no indices) */ |
154 |
dataonly = argv[i][0] == '-'; |
155 |
switch (argv[i][2]) { |
156 |
case '\0': |
157 |
case 'a': /* ascii */ |
158 |
format = 'a'; |
159 |
fmtid = "ascii"; |
160 |
break; |
161 |
case 'i': /* integer */ |
162 |
format = 'i'; |
163 |
fmtid = "ascii"; |
164 |
break; |
165 |
case 'b': /* byte */ |
166 |
dataonly = 1; |
167 |
format = 'b'; |
168 |
fmtid = "byte"; |
169 |
break; |
170 |
case 'f': /* float */ |
171 |
dataonly = 1; |
172 |
format = 'f'; |
173 |
fmtid = "float"; |
174 |
break; |
175 |
case 'd': /* double */ |
176 |
dataonly = 1; |
177 |
format = 'd'; |
178 |
fmtid = "double"; |
179 |
break; |
180 |
default: |
181 |
goto unkopt; |
182 |
} |
183 |
break; |
184 |
case 'x': /* x resolution */ |
185 |
case 'X': /* x resolution */ |
186 |
resolution = 0; |
187 |
if (argv[i][0] == '-') |
188 |
picres.rt |= XDECR; |
189 |
picres.xr = atoi(argv[++i]); |
190 |
break; |
191 |
case 'y': /* y resolution */ |
192 |
case 'Y': /* y resolution */ |
193 |
resolution = 0; |
194 |
if (argv[i][0] == '-') |
195 |
picres.rt |= YDECR; |
196 |
if (picres.xr == 0) |
197 |
picres.rt |= YMAJOR; |
198 |
picres.yr = atoi(argv[++i]); |
199 |
break; |
200 |
default: |
201 |
unkopt: |
202 |
fprintf(stderr, "%s: unknown option: %s\n", |
203 |
progname, argv[i]); |
204 |
quit(1); |
205 |
break; |
206 |
} |
207 |
else |
208 |
break; |
209 |
/* recognize special formats */ |
210 |
if (dataonly && format == 'b') |
211 |
if (brightonly) |
212 |
fmtid = "8-bit_grey"; |
213 |
else |
214 |
fmtid = "24-bit_rgb"; |
215 |
/* assign reverse ordering */ |
216 |
rord[ord[0]] = 0; |
217 |
rord[ord[1]] = 1; |
218 |
rord[ord[2]] = 2; |
219 |
/* get input */ |
220 |
if (i == argc) { |
221 |
fin = stdin; |
222 |
} else if (i < argc) { |
223 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
224 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
225 |
progname, argv[i]); |
226 |
quit(1); |
227 |
} |
228 |
if (reverse && !brightonly && i == argc-3) { |
229 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
230 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
231 |
progname, argv[i+1]); |
232 |
quit(1); |
233 |
} |
234 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
235 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
236 |
progname, argv[i+2]); |
237 |
quit(1); |
238 |
} |
239 |
interleave = -1; |
240 |
} else if (i != argc-1) |
241 |
fin = NULL; |
242 |
if (reverse && !brightonly && !interleave) { |
243 |
fin2 = fopen(argv[i], "r"); |
244 |
fin3 = fopen(argv[i], "r"); |
245 |
} |
246 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
247 |
(fseek(fin2, skipbytes, 0) || |
248 |
fseek(fin3, skipbytes, 0))))) { |
249 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
250 |
progname, skipbytes); |
251 |
quit(1); |
252 |
} |
253 |
} |
254 |
if (fin == NULL) { |
255 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
256 |
quit(1); |
257 |
} |
258 |
|
259 |
if (reverse) { |
260 |
#ifdef MSDOS |
261 |
setmode(fileno(stdout), O_BINARY); |
262 |
if (format != 'a' && format != 'i') |
263 |
setmode(fileno(fin), O_BINARY); |
264 |
#endif |
265 |
/* get header */ |
266 |
if (header) { |
267 |
if (checkheader(fin, fmtid, stdout) < 0) { |
268 |
fprintf(stderr, "%s: wrong input format\n", |
269 |
progname); |
270 |
quit(1); |
271 |
} |
272 |
if (fin2 != NULL) { |
273 |
getheader(fin2, NULL, NULL); |
274 |
getheader(fin3, NULL, NULL); |
275 |
} |
276 |
} else |
277 |
newheader("RADIANCE", stdout); |
278 |
/* get resolution */ |
279 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
280 |
picres.xr <= 0 || picres.yr <= 0) { |
281 |
fprintf(stderr, "%s: missing resolution\n", progname); |
282 |
quit(1); |
283 |
} |
284 |
if (resolution && fin2 != NULL) { |
285 |
RESOLU pres2; |
286 |
if (!fgetsresolu(&pres2, fin2) || |
287 |
pres2.rt != picres.rt || |
288 |
pres2.xr != picres.xr || |
289 |
pres2.yr != picres.yr || |
290 |
!fgetsresolu(&pres2, fin3) || |
291 |
pres2.rt != picres.rt || |
292 |
pres2.xr != picres.xr || |
293 |
pres2.yr != picres.yr) { |
294 |
fprintf(stderr, "%s: resolution mismatch\n", |
295 |
progname); |
296 |
quit(1); |
297 |
} |
298 |
} |
299 |
/* add to header */ |
300 |
printargs(i, argv, stdout); |
301 |
if (expval < .99 || expval > 1.01) |
302 |
fputexpos(expval, stdout); |
303 |
fputformat(COLRFMT, stdout); |
304 |
putchar('\n'); |
305 |
fputsresolu(&picres, stdout); /* always put resolution */ |
306 |
valtopix(); |
307 |
} else { |
308 |
#ifdef MSDOS |
309 |
setmode(fileno(fin), O_BINARY); |
310 |
if (format != 'a' && format != 'i') |
311 |
setmode(fileno(stdout), O_BINARY); |
312 |
#endif |
313 |
/* get header */ |
314 |
getheader(fin, checkhead, NULL); |
315 |
if (wrongformat) { |
316 |
fprintf(stderr, |
317 |
"%s: input not a Radiance RGBE picture\n", |
318 |
progname); |
319 |
quit(1); |
320 |
} |
321 |
if (!fgetsresolu(&picres, fin)) { |
322 |
fprintf(stderr, "%s: missing resolution\n", progname); |
323 |
quit(1); |
324 |
} |
325 |
if (header) { |
326 |
printargs(i, argv, stdout); |
327 |
if (expval < .99 || expval > 1.01) |
328 |
fputexpos(expval, stdout); |
329 |
fputformat(fmtid, stdout); |
330 |
putchar('\n'); |
331 |
} |
332 |
if (resolution) /* put resolution */ |
333 |
fputsresolu(&picres, stdout); |
334 |
pixtoval(); |
335 |
} |
336 |
|
337 |
quit(0); |
338 |
} |
339 |
|
340 |
|
341 |
int |
342 |
checkhead(line) /* deal with line from header */ |
343 |
char *line; |
344 |
{ |
345 |
char fmt[32]; |
346 |
double d; |
347 |
COLOR ctmp; |
348 |
|
349 |
if (formatval(fmt, line)) { |
350 |
if (!strcmp(fmt, CIEFMT)) { |
351 |
mybright = &xyz_bright; |
352 |
if (original) { |
353 |
scalecolor(exposure, 1./WHTEFFICACY); |
354 |
doexposure++; |
355 |
} |
356 |
} else if (!strcmp(fmt, COLRFMT)) |
357 |
mybright = &rgb_bright; |
358 |
else |
359 |
wrongformat++; |
360 |
} else if (original && isexpos(line)) { |
361 |
d = 1.0/exposval(line); |
362 |
scalecolor(exposure, d); |
363 |
doexposure++; |
364 |
} else if (original && iscolcor(line)) { |
365 |
colcorval(ctmp, line); |
366 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
367 |
colval(exposure,GRN)/colval(ctmp,GRN), |
368 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
369 |
doexposure++; |
370 |
} else if (header) |
371 |
fputs(line, stdout); |
372 |
return(0); |
373 |
} |
374 |
|
375 |
|
376 |
pixtoval() /* convert picture to values */ |
377 |
{ |
378 |
register COLOR *scanln; |
379 |
int dogamma; |
380 |
COLOR lastc; |
381 |
FLOAT hv[2]; |
382 |
int startprim, endprim; |
383 |
long startpos; |
384 |
int y; |
385 |
register int x; |
386 |
|
387 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
388 |
if (scanln == NULL) { |
389 |
fprintf(stderr, "%s: out of memory\n", progname); |
390 |
quit(1); |
391 |
} |
392 |
dogamma = gamcor < .95 || gamcor > 1.05; |
393 |
if (putprim == ALL && !interleave) { |
394 |
startprim = RED; endprim = BLU; |
395 |
startpos = ftell(fin); |
396 |
} else { |
397 |
startprim = putprim; endprim = putprim; |
398 |
} |
399 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
400 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
401 |
fprintf(stderr, "%s: seek error on input file\n", |
402 |
progname); |
403 |
quit(1); |
404 |
} |
405 |
set_io(); |
406 |
setcolor(lastc, 0.0, 0.0, 0.0); |
407 |
for (y = 0; y < numscans(&picres); y++) { |
408 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
409 |
fprintf(stderr, "%s: read error\n", progname); |
410 |
quit(1); |
411 |
} |
412 |
for (x = 0; x < scanlen(&picres); x++) { |
413 |
if (uniq) |
414 |
if ( colval(scanln[x],RED) == |
415 |
colval(lastc,RED) && |
416 |
colval(scanln[x],GRN) == |
417 |
colval(lastc,GRN) && |
418 |
colval(scanln[x],BLU) == |
419 |
colval(lastc,BLU) ) |
420 |
continue; |
421 |
else |
422 |
copycolor(lastc, scanln[x]); |
423 |
if (doexposure) |
424 |
multcolor(scanln[x], exposure); |
425 |
if (dogamma) |
426 |
setcolor(scanln[x], |
427 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
428 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
429 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
430 |
if (!dataonly) { |
431 |
pix2loc(hv, &picres, x, y); |
432 |
printf("%7d %7d ", |
433 |
(int)(hv[0]*picres.xr), |
434 |
(int)(hv[1]*picres.yr)); |
435 |
} |
436 |
if ((*putval)(scanln[x]) < 0) { |
437 |
fprintf(stderr, "%s: write error\n", |
438 |
progname); |
439 |
quit(1); |
440 |
} |
441 |
} |
442 |
} |
443 |
} |
444 |
free((void *)scanln); |
445 |
} |
446 |
|
447 |
|
448 |
valtopix() /* convert values to a pixel file */ |
449 |
{ |
450 |
int dogamma; |
451 |
register COLOR *scanln; |
452 |
int y; |
453 |
register int x; |
454 |
|
455 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
456 |
if (scanln == NULL) { |
457 |
fprintf(stderr, "%s: out of memory\n", progname); |
458 |
quit(1); |
459 |
} |
460 |
dogamma = gamcor < .95 || gamcor > 1.05; |
461 |
set_io(); |
462 |
for (y = 0; y < numscans(&picres); y++) { |
463 |
for (x = 0; x < scanlen(&picres); x++) { |
464 |
if (!dataonly) { |
465 |
fscanf(fin, "%*d %*d"); |
466 |
if (fin2 != NULL) { |
467 |
fscanf(fin2, "%*d %*d"); |
468 |
fscanf(fin3, "%*d %*d"); |
469 |
} |
470 |
} |
471 |
if ((*getval)(scanln[x]) < 0) { |
472 |
fprintf(stderr, "%s: read error\n", progname); |
473 |
quit(1); |
474 |
} |
475 |
if (dogamma) |
476 |
setcolor(scanln[x], |
477 |
pow(colval(scanln[x],RED), gamcor), |
478 |
pow(colval(scanln[x],GRN), gamcor), |
479 |
pow(colval(scanln[x],BLU), gamcor)); |
480 |
if (doexposure) |
481 |
multcolor(scanln[x], exposure); |
482 |
} |
483 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
484 |
fprintf(stderr, "%s: write error\n", progname); |
485 |
quit(1); |
486 |
} |
487 |
} |
488 |
free((void *)scanln); |
489 |
} |
490 |
|
491 |
|
492 |
void |
493 |
quit(code) |
494 |
int code; |
495 |
{ |
496 |
exit(code); |
497 |
} |
498 |
|
499 |
|
500 |
getcascii(col) /* get an ascii color value from stream(s) */ |
501 |
COLOR col; |
502 |
{ |
503 |
double vd[3]; |
504 |
|
505 |
if (fin2 == NULL) { |
506 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
507 |
return(-1); |
508 |
} else { |
509 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
510 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
511 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
512 |
return(-1); |
513 |
} |
514 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
515 |
return(0); |
516 |
} |
517 |
|
518 |
|
519 |
getcdouble(col) /* get a double color value from stream(s) */ |
520 |
COLOR col; |
521 |
{ |
522 |
double vd[3]; |
523 |
|
524 |
if (fin2 == NULL) { |
525 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
526 |
return(-1); |
527 |
} else { |
528 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
529 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
530 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
531 |
return(-1); |
532 |
} |
533 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
534 |
return(0); |
535 |
} |
536 |
|
537 |
|
538 |
getcfloat(col) /* get a float color value from stream(s) */ |
539 |
COLOR col; |
540 |
{ |
541 |
float vf[3]; |
542 |
|
543 |
if (fin2 == NULL) { |
544 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
545 |
return(-1); |
546 |
} else { |
547 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
548 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
549 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
550 |
return(-1); |
551 |
} |
552 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
553 |
return(0); |
554 |
} |
555 |
|
556 |
|
557 |
getcint(col) /* get an int color value from stream(s) */ |
558 |
COLOR col; |
559 |
{ |
560 |
int vi[3]; |
561 |
|
562 |
if (fin2 == NULL) { |
563 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
564 |
return(-1); |
565 |
} else { |
566 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
567 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
568 |
fscanf(fin3, "%d", &vi[2]) != 1) |
569 |
return(-1); |
570 |
} |
571 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
572 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
573 |
return(0); |
574 |
} |
575 |
|
576 |
|
577 |
getcbyte(col) /* get a byte color value from stream(s) */ |
578 |
COLOR col; |
579 |
{ |
580 |
BYTE vb[3]; |
581 |
|
582 |
if (fin2 == NULL) { |
583 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
584 |
return(-1); |
585 |
} else { |
586 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
587 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
588 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
589 |
return(-1); |
590 |
} |
591 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
592 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
593 |
return(0); |
594 |
} |
595 |
|
596 |
|
597 |
getbascii(col) /* get an ascii brightness value from fin */ |
598 |
COLOR col; |
599 |
{ |
600 |
double vd; |
601 |
|
602 |
if (fscanf(fin, "%lf", &vd) != 1) |
603 |
return(-1); |
604 |
setcolor(col, vd, vd, vd); |
605 |
return(0); |
606 |
} |
607 |
|
608 |
|
609 |
getbdouble(col) /* get a double brightness value from fin */ |
610 |
COLOR col; |
611 |
{ |
612 |
double vd; |
613 |
|
614 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
615 |
return(-1); |
616 |
setcolor(col, vd, vd, vd); |
617 |
return(0); |
618 |
} |
619 |
|
620 |
|
621 |
getbfloat(col) /* get a float brightness value from fin */ |
622 |
COLOR col; |
623 |
{ |
624 |
float vf; |
625 |
|
626 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
627 |
return(-1); |
628 |
setcolor(col, vf, vf, vf); |
629 |
return(0); |
630 |
} |
631 |
|
632 |
|
633 |
getbint(col) /* get an int brightness value from fin */ |
634 |
COLOR col; |
635 |
{ |
636 |
int vi; |
637 |
double d; |
638 |
|
639 |
if (fscanf(fin, "%d", &vi) != 1) |
640 |
return(-1); |
641 |
d = (vi+.5)/256.; |
642 |
setcolor(col, d, d, d); |
643 |
return(0); |
644 |
} |
645 |
|
646 |
|
647 |
getbbyte(col) /* get a byte brightness value from fin */ |
648 |
COLOR col; |
649 |
{ |
650 |
BYTE vb; |
651 |
double d; |
652 |
|
653 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
654 |
return(-1); |
655 |
d = (vb+.5)/256.; |
656 |
setcolor(col, d, d, d); |
657 |
return(0); |
658 |
} |
659 |
|
660 |
|
661 |
putcascii(col) /* put an ascii color to stdout */ |
662 |
COLOR col; |
663 |
{ |
664 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
665 |
colval(col,ord[0]), |
666 |
colval(col,ord[1]), |
667 |
colval(col,ord[2])); |
668 |
|
669 |
return(ferror(stdout) ? -1 : 0); |
670 |
} |
671 |
|
672 |
|
673 |
putcfloat(col) /* put a float color to stdout */ |
674 |
COLOR col; |
675 |
{ |
676 |
float vf[3]; |
677 |
|
678 |
vf[0] = colval(col,ord[0]); |
679 |
vf[1] = colval(col,ord[1]); |
680 |
vf[2] = colval(col,ord[2]); |
681 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
682 |
|
683 |
return(ferror(stdout) ? -1 : 0); |
684 |
} |
685 |
|
686 |
|
687 |
putcdouble(col) /* put a double color to stdout */ |
688 |
COLOR col; |
689 |
{ |
690 |
double vd[3]; |
691 |
|
692 |
vd[0] = colval(col,ord[0]); |
693 |
vd[1] = colval(col,ord[1]); |
694 |
vd[2] = colval(col,ord[2]); |
695 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
696 |
|
697 |
return(ferror(stdout) ? -1 : 0); |
698 |
} |
699 |
|
700 |
|
701 |
putcint(col) /* put an int color to stdout */ |
702 |
COLOR col; |
703 |
{ |
704 |
fprintf(stdout, "%d %d %d\n", |
705 |
(int)(colval(col,ord[0])*256.), |
706 |
(int)(colval(col,ord[1])*256.), |
707 |
(int)(colval(col,ord[2])*256.)); |
708 |
|
709 |
return(ferror(stdout) ? -1 : 0); |
710 |
} |
711 |
|
712 |
|
713 |
putcbyte(col) /* put a byte color to stdout */ |
714 |
COLOR col; |
715 |
{ |
716 |
register int i; |
717 |
BYTE vb[3]; |
718 |
|
719 |
i = colval(col,ord[0])*256.; |
720 |
vb[0] = min(i,255); |
721 |
i = colval(col,ord[1])*256.; |
722 |
vb[1] = min(i,255); |
723 |
i = colval(col,ord[2])*256.; |
724 |
vb[2] = min(i,255); |
725 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
726 |
|
727 |
return(ferror(stdout) ? -1 : 0); |
728 |
} |
729 |
|
730 |
|
731 |
putbascii(col) /* put an ascii brightness to stdout */ |
732 |
COLOR col; |
733 |
{ |
734 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
735 |
|
736 |
return(ferror(stdout) ? -1 : 0); |
737 |
} |
738 |
|
739 |
|
740 |
putbfloat(col) /* put a float brightness to stdout */ |
741 |
COLOR col; |
742 |
{ |
743 |
float vf; |
744 |
|
745 |
vf = (*mybright)(col); |
746 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
747 |
|
748 |
return(ferror(stdout) ? -1 : 0); |
749 |
} |
750 |
|
751 |
|
752 |
putbdouble(col) /* put a double brightness to stdout */ |
753 |
COLOR col; |
754 |
{ |
755 |
double vd; |
756 |
|
757 |
vd = (*mybright)(col); |
758 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
759 |
|
760 |
return(ferror(stdout) ? -1 : 0); |
761 |
} |
762 |
|
763 |
|
764 |
putbint(col) /* put an int brightness to stdout */ |
765 |
COLOR col; |
766 |
{ |
767 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
768 |
|
769 |
return(ferror(stdout) ? -1 : 0); |
770 |
} |
771 |
|
772 |
|
773 |
putbbyte(col) /* put a byte brightness to stdout */ |
774 |
COLOR col; |
775 |
{ |
776 |
register int i; |
777 |
BYTE vb; |
778 |
|
779 |
i = (*mybright)(col)*256.; |
780 |
vb = min(i,255); |
781 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
782 |
|
783 |
return(ferror(stdout) ? -1 : 0); |
784 |
} |
785 |
|
786 |
|
787 |
putpascii(col) /* put an ascii primary to stdout */ |
788 |
COLOR col; |
789 |
{ |
790 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
791 |
|
792 |
return(ferror(stdout) ? -1 : 0); |
793 |
} |
794 |
|
795 |
|
796 |
putpfloat(col) /* put a float primary to stdout */ |
797 |
COLOR col; |
798 |
{ |
799 |
float vf; |
800 |
|
801 |
vf = colval(col,putprim); |
802 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
803 |
|
804 |
return(ferror(stdout) ? -1 : 0); |
805 |
} |
806 |
|
807 |
|
808 |
putpdouble(col) /* put a double primary to stdout */ |
809 |
COLOR col; |
810 |
{ |
811 |
double vd; |
812 |
|
813 |
vd = colval(col,putprim); |
814 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
815 |
|
816 |
return(ferror(stdout) ? -1 : 0); |
817 |
} |
818 |
|
819 |
|
820 |
putpint(col) /* put an int primary to stdout */ |
821 |
COLOR col; |
822 |
{ |
823 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
824 |
|
825 |
return(ferror(stdout) ? -1 : 0); |
826 |
} |
827 |
|
828 |
|
829 |
putpbyte(col) /* put a byte primary to stdout */ |
830 |
COLOR col; |
831 |
{ |
832 |
register int i; |
833 |
BYTE vb; |
834 |
|
835 |
i = colval(col,putprim)*256.; |
836 |
vb = min(i,255); |
837 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
838 |
|
839 |
return(ferror(stdout) ? -1 : 0); |
840 |
} |
841 |
|
842 |
|
843 |
set_io() /* set put and get functions */ |
844 |
{ |
845 |
switch (format) { |
846 |
case 'a': /* ascii */ |
847 |
if (putprim == BRIGHT) { |
848 |
getval = getbascii; |
849 |
putval = putbascii; |
850 |
} else if (putprim != ALL) { |
851 |
getval = getbascii; |
852 |
putval = putpascii; |
853 |
} else { |
854 |
getval = getcascii; |
855 |
putval = putcascii; |
856 |
if (reverse && !interleave) { |
857 |
fprintf(stderr, |
858 |
"%s: ASCII input files must be interleaved\n", |
859 |
progname); |
860 |
quit(1); |
861 |
} |
862 |
} |
863 |
return; |
864 |
case 'f': /* binary float */ |
865 |
if (putprim == BRIGHT) { |
866 |
getval = getbfloat; |
867 |
putval = putbfloat; |
868 |
} else if (putprim != ALL) { |
869 |
getval = getbfloat; |
870 |
putval = putpfloat; |
871 |
} else { |
872 |
getval = getcfloat; |
873 |
putval = putcfloat; |
874 |
if (reverse && !interleave) { |
875 |
if (fin2 == NULL) |
876 |
goto namerr; |
877 |
if (fseek(fin2, |
878 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
879 |
goto seekerr; |
880 |
if (fseek(fin3, |
881 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
882 |
goto seekerr; |
883 |
} |
884 |
} |
885 |
return; |
886 |
case 'd': /* binary double */ |
887 |
if (putprim == BRIGHT) { |
888 |
getval = getbdouble; |
889 |
putval = putbdouble; |
890 |
} else if (putprim != ALL) { |
891 |
getval = getbdouble; |
892 |
putval = putpdouble; |
893 |
} else { |
894 |
getval = getcdouble; |
895 |
putval = putcdouble; |
896 |
if (reverse && !interleave) { |
897 |
if (fin2 == NULL) |
898 |
goto namerr; |
899 |
if (fseek(fin2, |
900 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
901 |
goto seekerr; |
902 |
if (fseek(fin3, |
903 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
904 |
goto seekerr; |
905 |
} |
906 |
} |
907 |
return; |
908 |
case 'i': /* integer */ |
909 |
if (putprim == BRIGHT) { |
910 |
getval = getbint; |
911 |
putval = putbint; |
912 |
} else if (putprim != ALL) { |
913 |
getval = getbint; |
914 |
putval = putpint; |
915 |
} else { |
916 |
getval = getcint; |
917 |
putval = putcint; |
918 |
if (reverse && !interleave) { |
919 |
fprintf(stderr, |
920 |
"%s: integer input files must be interleaved\n", |
921 |
progname); |
922 |
quit(1); |
923 |
} |
924 |
} |
925 |
return; |
926 |
case 'b': /* byte */ |
927 |
if (putprim == BRIGHT) { |
928 |
getval = getbbyte; |
929 |
putval = putbbyte; |
930 |
} else if (putprim != ALL) { |
931 |
getval = getbbyte; |
932 |
putval = putpbyte; |
933 |
} else { |
934 |
getval = getcbyte; |
935 |
putval = putcbyte; |
936 |
if (reverse && !interleave) { |
937 |
if (fin2 == NULL) |
938 |
goto namerr; |
939 |
if (fseek(fin2, |
940 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
941 |
goto seekerr; |
942 |
if (fseek(fin3, |
943 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
944 |
goto seekerr; |
945 |
} |
946 |
} |
947 |
return; |
948 |
} |
949 |
badopt: |
950 |
fprintf(stderr, "%s: botched file type\n", progname); |
951 |
quit(1); |
952 |
namerr: |
953 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
954 |
progname); |
955 |
quit(1); |
956 |
seekerr: |
957 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
958 |
progname); |
959 |
quit(1); |
960 |
} |