1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.41 2022/02/04 20:11:49 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 |
RGBPRIMP outprims = stdprims; /* output primaries for reverse conversion */ |
40 |
RGBPRIMS myprims; |
41 |
|
42 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
43 |
int rord[4]; /* reverse ordering */ |
44 |
|
45 |
COLOR exposure = WHTCOLOR; |
46 |
|
47 |
char *progname; |
48 |
|
49 |
FILE *fin; |
50 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
51 |
|
52 |
|
53 |
typedef int getfunc_t(COLOR col); |
54 |
typedef int putfunc_t(COLOR col); |
55 |
typedef double brightfunc_t(COLOR col); |
56 |
|
57 |
getfunc_t *getval; |
58 |
putfunc_t *putval; |
59 |
brightfunc_t *mybright; |
60 |
|
61 |
static gethfunc checkhead; |
62 |
static brightfunc_t rgb_bright, xyz_bright; |
63 |
static getfunc_t getbascii, getbint, getbdouble, getbfloat, getbbyte, getbword; |
64 |
static getfunc_t getcascii, getcint, getcdouble, getcfloat, getcbyte, getcword; |
65 |
static putfunc_t putbascii, putbint, putbdouble, putbfloat, putbbyte, putbword; |
66 |
static putfunc_t putcascii, putcint, putcdouble, putcfloat, putcbyte, putcword; |
67 |
static putfunc_t putpascii, putpint, putpdouble, putpfloat, putpbyte, putpword; |
68 |
|
69 |
static void set_io(void); |
70 |
static void pixtoval(void); |
71 |
static void valtopix(void); |
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 |
const char *inpmode = "r"; |
97 |
double d, expval = 1.0; |
98 |
int i; |
99 |
|
100 |
progname = argv[0]; |
101 |
mybright = &rgb_bright; /* default */ |
102 |
|
103 |
for (i = 1; i < argc; i++) |
104 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
105 |
switch (argv[i][1]) { |
106 |
case 'h': /* header */ |
107 |
header = argv[i][0] == '+'; |
108 |
break; |
109 |
case 'H': /* resolution string */ |
110 |
resolution = argv[i][0] == '+'; |
111 |
break; |
112 |
case 's': /* skip bytes in header */ |
113 |
skipbytes = atol(argv[++i]); |
114 |
break; |
115 |
case 'u': /* unique values */ |
116 |
uniq = argv[i][0] == '-'; |
117 |
break; |
118 |
case 'o': /* original values */ |
119 |
original = argv[i][0] == '-'; |
120 |
break; |
121 |
case 'O': /* original watts/sr/m^2 */ |
122 |
original = -(argv[i][0] == '-'); |
123 |
break; |
124 |
case 'g': /* gamma correction */ |
125 |
gamcor = atof(argv[i+1]); |
126 |
if (argv[i][0] == '+') |
127 |
gamcor = 1.0/gamcor; |
128 |
i++; |
129 |
break; |
130 |
case 'e': /* exposure correction */ |
131 |
d = atof(argv[i+1]); |
132 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
133 |
d = pow(2.0, d); |
134 |
if (argv[i][0] == '-') |
135 |
expval *= d; |
136 |
scalecolor(exposure, d); |
137 |
doexposure++; |
138 |
i++; |
139 |
break; |
140 |
case 'R': /* reverse byte sequence */ |
141 |
if (argv[i][0] == '-') { |
142 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
143 |
} else { |
144 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
145 |
} |
146 |
break; |
147 |
case 'r': /* reverse conversion */ |
148 |
reverse = argv[i][0] == '-'; |
149 |
break; |
150 |
case 'n': /* non-interleaved RGB */ |
151 |
interleave = argv[i][0] == '+'; |
152 |
break; |
153 |
case 'b': /* brightness values */ |
154 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
155 |
break; |
156 |
case 'p': /* primary controls */ |
157 |
switch (argv[i][2]) { |
158 |
/* these two options affect -r conversion */ |
159 |
case '\0': |
160 |
myprims[RED][CIEX] = atof(argv[++i]); |
161 |
myprims[RED][CIEY] = atof(argv[++i]); |
162 |
myprims[GRN][CIEX] = atof(argv[++i]); |
163 |
myprims[GRN][CIEY] = atof(argv[++i]); |
164 |
myprims[BLU][CIEX] = atof(argv[++i]); |
165 |
myprims[BLU][CIEY] = atof(argv[++i]); |
166 |
myprims[WHT][CIEX] = atof(argv[++i]); |
167 |
myprims[WHT][CIEY] = atof(argv[++i]); |
168 |
outprims = myprims; |
169 |
break; |
170 |
case 'x': case 'X': outprims = NULL; break; |
171 |
/* the following options affect +r only */ |
172 |
case 'r': case 'R': putprim = RED; break; |
173 |
case 'g': case 'G': putprim = GRN; break; |
174 |
case 'b': case 'B': putprim = BLU; break; |
175 |
default: goto unkopt; |
176 |
} |
177 |
break; |
178 |
case 'd': /* data only (no indices) */ |
179 |
dataonly = (argv[i][0] == '-'); |
180 |
switch (argv[i][2]) { |
181 |
case '\0': |
182 |
case 'a': /* ascii */ |
183 |
format = 'a'; |
184 |
fmtid = "ascii"; |
185 |
break; |
186 |
case 'i': /* integer */ |
187 |
format = 'i'; |
188 |
fmtid = "ascii"; |
189 |
break; |
190 |
case 'b': /* byte */ |
191 |
dataonly = 1; |
192 |
format = 'b'; |
193 |
fmtid = "byte"; |
194 |
break; |
195 |
case 'W': /* 16-bit swapped */ |
196 |
swapbytes = 1; |
197 |
case 'w': /* 16-bit */ |
198 |
dataonly = 1; |
199 |
format = 'w'; |
200 |
fmtid = "16-bit"; |
201 |
break; |
202 |
case 'F': /* swapped floats */ |
203 |
swapbytes = 1; |
204 |
case 'f': /* float */ |
205 |
dataonly = 1; |
206 |
format = 'f'; |
207 |
fmtid = "float"; |
208 |
break; |
209 |
case 'D': /* swapped doubles */ |
210 |
swapbytes = 1; |
211 |
case 'd': /* double */ |
212 |
dataonly = 1; |
213 |
format = 'd'; |
214 |
fmtid = "double"; |
215 |
break; |
216 |
default: |
217 |
goto unkopt; |
218 |
} |
219 |
break; |
220 |
case 'x': /* x resolution */ |
221 |
case 'X': /* x resolution */ |
222 |
resolution = 0; |
223 |
if (argv[i][0] == '-') |
224 |
picres.rt |= XDECR; |
225 |
picres.xr = atoi(argv[++i]); |
226 |
break; |
227 |
case 'y': /* y resolution */ |
228 |
case 'Y': /* y resolution */ |
229 |
resolution = 0; |
230 |
if (argv[i][0] == '-') |
231 |
picres.rt |= YDECR; |
232 |
if (picres.xr == 0) |
233 |
picres.rt |= YMAJOR; |
234 |
picres.yr = atoi(argv[++i]); |
235 |
break; |
236 |
default: |
237 |
unkopt: |
238 |
fprintf(stderr, "%s: unknown option: %s\n", |
239 |
progname, argv[i]); |
240 |
quit(1); |
241 |
break; |
242 |
} |
243 |
else |
244 |
break; |
245 |
/* recognize special formats */ |
246 |
if (dataonly && format == 'b') { |
247 |
if (putprim == ALL) |
248 |
fmtid = "24-bit_rgb"; |
249 |
else |
250 |
fmtid = "8-bit_grey"; |
251 |
} |
252 |
if (dataonly && format == 'w') { |
253 |
if (putprim == ALL) |
254 |
fmtid = "48-bit_rgb"; |
255 |
else |
256 |
fmtid = "16-bit_grey"; |
257 |
} |
258 |
if (!reverse || (format != 'a') & (format != 'i')) |
259 |
inpmode = "rb"; |
260 |
/* assign reverse ordering */ |
261 |
rord[ord[0]] = 0; |
262 |
rord[ord[1]] = 1; |
263 |
rord[ord[2]] = 2; |
264 |
/* get input */ |
265 |
if (i == argc) { |
266 |
long n = skipbytes; |
267 |
if (inpmode[1] == 'b') |
268 |
SET_FILE_BINARY(stdin); |
269 |
while (n-- > 0) |
270 |
if (getchar() == EOF) { |
271 |
fprintf(stderr, |
272 |
"%s: cannot skip %ld bytes on standard input\n", |
273 |
progname, skipbytes); |
274 |
quit(1); |
275 |
} |
276 |
fin = stdin; |
277 |
} else if (i < argc) { |
278 |
if ((fin = fopen(argv[i], inpmode)) == NULL) { |
279 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
280 |
progname, argv[i]); |
281 |
quit(1); |
282 |
} |
283 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
284 |
if ((fin2 = fopen(argv[i+1], inpmode)) == NULL) { |
285 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
286 |
progname, argv[i+1]); |
287 |
quit(1); |
288 |
} |
289 |
if ((fin3 = fopen(argv[i+2], inpmode)) == NULL) { |
290 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
291 |
progname, argv[i+2]); |
292 |
quit(1); |
293 |
} |
294 |
interleave = -1; |
295 |
} else if (i != argc-1) |
296 |
fin = NULL; |
297 |
if (reverse && putprim != BRIGHT && !interleave) { |
298 |
fin2 = fopen(argv[i], inpmode); |
299 |
fin3 = fopen(argv[i], inpmode); |
300 |
} |
301 |
if (skipbytes && (fseek(fin, skipbytes, SEEK_SET) || (fin2 != NULL && |
302 |
fseek(fin2, skipbytes, SEEK_SET) | |
303 |
fseek(fin3, skipbytes, SEEK_SET)))) { |
304 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
305 |
progname, skipbytes); |
306 |
quit(1); |
307 |
} |
308 |
} |
309 |
if (fin == NULL) { |
310 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
311 |
quit(1); |
312 |
} |
313 |
|
314 |
if (reverse) { |
315 |
SET_FILE_BINARY(stdout); |
316 |
/* get header */ |
317 |
if (header) { |
318 |
getheader(fin, checkhead, stdout); |
319 |
if (wrongformat) { |
320 |
fprintf(stderr, "%s: wrong input format (expected %s)\n", |
321 |
progname, fmtid); |
322 |
quit(1); |
323 |
} |
324 |
if (fin2 != NULL) { |
325 |
getheader(fin2, NULL, NULL); |
326 |
getheader(fin3, NULL, NULL); |
327 |
} |
328 |
} else |
329 |
newheader("RADIANCE", stdout); |
330 |
/* get resolution */ |
331 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
332 |
picres.xr <= 0 || picres.yr <= 0) { |
333 |
fprintf(stderr, "%s: missing resolution\n", progname); |
334 |
quit(1); |
335 |
} |
336 |
if (resolution && fin2 != NULL) { |
337 |
RESOLU pres2; |
338 |
if (!fgetsresolu(&pres2, fin2) || |
339 |
pres2.rt != picres.rt || |
340 |
pres2.xr != picres.xr || |
341 |
pres2.yr != picres.yr || |
342 |
!fgetsresolu(&pres2, fin3) || |
343 |
pres2.rt != picres.rt || |
344 |
pres2.xr != picres.xr || |
345 |
pres2.yr != picres.yr) { |
346 |
fprintf(stderr, "%s: resolution mismatch\n", |
347 |
progname); |
348 |
quit(1); |
349 |
} |
350 |
} |
351 |
/* add to header */ |
352 |
printargs(i, argv, stdout); |
353 |
if (expval < .99 || expval > 1.01) |
354 |
fputexpos(expval, stdout); |
355 |
if (outprims != NULL) { |
356 |
if (outprims != stdprims) |
357 |
fputprims(outprims, stdout); |
358 |
fputformat(COLRFMT, stdout); |
359 |
} else { /* XYZ data */ |
360 |
if (original < 0) { |
361 |
scalecolor(exposure, WHTEFFICACY); |
362 |
doexposure++; |
363 |
} |
364 |
fputformat(CIEFMT, stdout); |
365 |
} |
366 |
putchar('\n'); |
367 |
fputsresolu(&picres, stdout); /* always put resolution */ |
368 |
valtopix(); |
369 |
} else { |
370 |
if ((format != 'a') & (format != 'i')) |
371 |
SET_FILE_BINARY(stdout); |
372 |
/* get header */ |
373 |
getheader(fin, checkhead, header ? stdout : (FILE *)NULL); |
374 |
if (wrongformat) { |
375 |
fprintf(stderr, |
376 |
"%s: input not a Radiance RGBE picture\n", |
377 |
progname); |
378 |
quit(1); |
379 |
} |
380 |
if (!fgetsresolu(&picres, fin)) { |
381 |
fprintf(stderr, "%s: missing resolution\n", progname); |
382 |
quit(1); |
383 |
} |
384 |
if (original < 0 && mybright == &xyz_bright) { |
385 |
scalecolor(exposure, 1./WHTEFFICACY); |
386 |
doexposure++; |
387 |
} |
388 |
if (header) { |
389 |
printargs(i, argv, stdout); |
390 |
printf("NCOMP=%d\n", putprim==ALL ? 3 : 1); |
391 |
if (!resolution && dataonly && !uniq) |
392 |
printf("NCOLS=%d\nNROWS=%d\n", scanlen(&picres), |
393 |
numscans(&picres)); |
394 |
if (expval < .99 || expval > 1.01) |
395 |
fputexpos(expval, stdout); |
396 |
if (swapbytes) { |
397 |
if (nativebigendian()) |
398 |
puts("BigEndian=0"); |
399 |
else |
400 |
puts("BigEndian=1"); |
401 |
} else if ((format != 'a') & (format != 'i') & |
402 |
(format != 'b')) |
403 |
fputendian(stdout); |
404 |
fputformat(fmtid, stdout); |
405 |
putchar('\n'); |
406 |
} |
407 |
if (resolution) /* put resolution */ |
408 |
fputsresolu(&picres, stdout); |
409 |
pixtoval(); |
410 |
} |
411 |
|
412 |
quit(0); |
413 |
return 0; /* pro forma return */ |
414 |
} |
415 |
|
416 |
|
417 |
static int |
418 |
checkhead( /* deal with line from header */ |
419 |
char *line, |
420 |
void *p |
421 |
) |
422 |
{ |
423 |
FILE *fout = (FILE *)p; |
424 |
char fmt[MAXFMTLEN]; |
425 |
double d; |
426 |
COLOR ctmp; |
427 |
int rv; |
428 |
|
429 |
if (formatval(fmt, line)) { |
430 |
if (reverse) |
431 |
wrongformat = strcmp(fmt, fmtid); |
432 |
else if (!strcmp(fmt, CIEFMT)) |
433 |
mybright = &xyz_bright; |
434 |
else if (!strcmp(fmt, COLRFMT)) |
435 |
mybright = &rgb_bright; |
436 |
else |
437 |
wrongformat++; |
438 |
return(1); |
439 |
} |
440 |
if (!strncmp(line,"NROWS=",6) || |
441 |
!strncmp(line,"NCOLS=",6) || |
442 |
!strncmp(line,"NCOMP=",6)) |
443 |
return(1); |
444 |
|
445 |
if (original && isexpos(line)) { |
446 |
d = 1.0/exposval(line); |
447 |
scalecolor(exposure, d); |
448 |
doexposure++; |
449 |
return(1); |
450 |
} |
451 |
if (original && iscolcor(line)) { |
452 |
colcorval(ctmp, line); |
453 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
454 |
colval(exposure,GRN)/colval(ctmp,GRN), |
455 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
456 |
doexposure++; |
457 |
return(1); |
458 |
} |
459 |
if ((rv = isbigendian(line)) >= 0) { |
460 |
if (reverse) |
461 |
swapbytes = (nativebigendian() != rv); |
462 |
return(1); |
463 |
} |
464 |
if (fout != NULL) |
465 |
fputs(line, fout); |
466 |
return(0); |
467 |
} |
468 |
|
469 |
|
470 |
static void |
471 |
pixtoval(void) /* convert picture to values */ |
472 |
{ |
473 |
COLOR *scanln; |
474 |
int dogamma; |
475 |
COLOR lastc; |
476 |
RREAL hv[2]; |
477 |
int startprim, endprim; |
478 |
long startpos; |
479 |
int x, y; |
480 |
|
481 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
482 |
if (scanln == NULL) { |
483 |
fprintf(stderr, "%s: out of memory\n", progname); |
484 |
quit(1); |
485 |
} |
486 |
dogamma = gamcor < .95 || gamcor > 1.05; |
487 |
if ((putprim == ALL) & !interleave) { |
488 |
startprim = RED; endprim = BLU; |
489 |
startpos = ftell(fin); |
490 |
} else { |
491 |
startprim = putprim; endprim = putprim; |
492 |
} |
493 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
494 |
if (putprim != startprim && fseek(fin, startpos, SEEK_SET)) { |
495 |
fprintf(stderr, "%s: seek error on input file\n", |
496 |
progname); |
497 |
quit(1); |
498 |
} |
499 |
set_io(); |
500 |
setcolor(lastc, 0.0, 0.0, 0.0); |
501 |
for (y = 0; y < numscans(&picres); y++) { |
502 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
503 |
fprintf(stderr, "%s: read error\n", progname); |
504 |
quit(1); |
505 |
} |
506 |
for (x = 0; x < scanlen(&picres); x++) { |
507 |
if (uniq) { |
508 |
if ( colval(scanln[x],RED) == |
509 |
colval(lastc,RED) && |
510 |
colval(scanln[x],GRN) == |
511 |
colval(lastc,GRN) && |
512 |
colval(scanln[x],BLU) == |
513 |
colval(lastc,BLU) ) |
514 |
continue; |
515 |
else |
516 |
copycolor(lastc, scanln[x]); |
517 |
} |
518 |
if (doexposure) |
519 |
multcolor(scanln[x], exposure); |
520 |
if (dogamma) |
521 |
setcolor(scanln[x], |
522 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
523 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
524 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
525 |
if (!dataonly) { |
526 |
pix2loc(hv, &picres, x, y); |
527 |
printf("%7d %7d ", |
528 |
(int)(hv[0]*picres.xr), |
529 |
(int)(hv[1]*picres.yr)); |
530 |
} |
531 |
if ((*putval)(scanln[x]) < 0) { |
532 |
fprintf(stderr, "%s: write error\n", |
533 |
progname); |
534 |
quit(1); |
535 |
} |
536 |
} |
537 |
} |
538 |
} |
539 |
free((void *)scanln); |
540 |
} |
541 |
|
542 |
|
543 |
static void |
544 |
valtopix(void) /* convert values to a pixel file */ |
545 |
{ |
546 |
int dogamma; |
547 |
COLOR *scanln; |
548 |
COLR rgbe; |
549 |
int x, y; |
550 |
|
551 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
552 |
if (scanln == NULL) { |
553 |
fprintf(stderr, "%s: out of memory\n", progname); |
554 |
quit(1); |
555 |
} |
556 |
dogamma = gamcor < .95 || gamcor > 1.05; |
557 |
set_io(); |
558 |
for (y = 0; y < numscans(&picres); y++) { |
559 |
for (x = 0; x < scanlen(&picres); x++) { |
560 |
if (!dataonly) { |
561 |
fscanf(fin, "%*d %*d"); |
562 |
if (fin2 != NULL) { |
563 |
fscanf(fin2, "%*d %*d"); |
564 |
fscanf(fin3, "%*d %*d"); |
565 |
} |
566 |
} |
567 |
if ((*getval)(scanln[x]) < 0) { |
568 |
fprintf(stderr, "%s: read error\n", progname); |
569 |
quit(1); |
570 |
} |
571 |
if (dogamma) |
572 |
setcolor(scanln[x], |
573 |
pow(colval(scanln[x],RED), gamcor), |
574 |
pow(colval(scanln[x],GRN), gamcor), |
575 |
pow(colval(scanln[x],BLU), gamcor)); |
576 |
if (doexposure) |
577 |
multcolor(scanln[x], exposure); |
578 |
if (uniq) { /* uncompressed? */ |
579 |
setcolr(rgbe, scanln[x][RED], |
580 |
scanln[x][GRN], |
581 |
scanln[x][BLU]); |
582 |
if (putbinary(rgbe, sizeof(COLR), 1, stdout) != 1) |
583 |
goto writerr; |
584 |
} |
585 |
} |
586 |
/* write scan if compressed */ |
587 |
if (!uniq && fwritescan(scanln, scanlen(&picres), stdout) < 0) |
588 |
goto writerr; |
589 |
} |
590 |
free((void *)scanln); |
591 |
return; |
592 |
writerr: |
593 |
fprintf(stderr, "%s: write error\n", progname); |
594 |
quit(1); |
595 |
} |
596 |
|
597 |
|
598 |
void |
599 |
quit(code) |
600 |
int code; |
601 |
{ |
602 |
exit(code); |
603 |
} |
604 |
|
605 |
|
606 |
static int |
607 |
getcascii( /* get an ascii color value from stream(s) */ |
608 |
COLOR col |
609 |
) |
610 |
{ |
611 |
double vd[3]; |
612 |
|
613 |
if (fin2 == NULL) { |
614 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
615 |
return(-1); |
616 |
} else { |
617 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
618 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
619 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
620 |
return(-1); |
621 |
} |
622 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
623 |
return(0); |
624 |
} |
625 |
|
626 |
|
627 |
static int |
628 |
getcdouble( /* get a double color value from stream(s) */ |
629 |
COLOR col |
630 |
) |
631 |
{ |
632 |
double vd[3]; |
633 |
|
634 |
if (fin2 == NULL) { |
635 |
if (getbinary(vd, sizeof(double), 3, fin) != 3) |
636 |
return(-1); |
637 |
} else { |
638 |
if (getbinary(vd, sizeof(double), 1, fin) != 1 || |
639 |
getbinary(vd+1, sizeof(double), 1, fin2) != 1 || |
640 |
getbinary(vd+2, sizeof(double), 1, fin3) != 1) |
641 |
return(-1); |
642 |
} |
643 |
if (swapbytes) |
644 |
swap64((char *)vd, 3); |
645 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
646 |
return(0); |
647 |
} |
648 |
|
649 |
|
650 |
static int |
651 |
getcfloat( /* get a float color value from stream(s) */ |
652 |
COLOR col |
653 |
) |
654 |
{ |
655 |
float vf[3]; |
656 |
|
657 |
if (fin2 == NULL) { |
658 |
if (getbinary(vf, sizeof(float), 3, fin) != 3) |
659 |
return(-1); |
660 |
} else { |
661 |
if (getbinary(vf, sizeof(float), 1, fin) != 1 || |
662 |
getbinary(vf+1, sizeof(float), 1, fin2) != 1 || |
663 |
getbinary(vf+2, sizeof(float), 1, fin3) != 1) |
664 |
return(-1); |
665 |
} |
666 |
if (swapbytes) |
667 |
swap32((char *)vf, 3); |
668 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
669 |
return(0); |
670 |
} |
671 |
|
672 |
|
673 |
static int |
674 |
getcint( /* get an int color value from stream(s) */ |
675 |
COLOR col |
676 |
) |
677 |
{ |
678 |
int vi[3]; |
679 |
|
680 |
if (fin2 == NULL) { |
681 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
682 |
return(-1); |
683 |
} else { |
684 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
685 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
686 |
fscanf(fin3, "%d", &vi[2]) != 1) |
687 |
return(-1); |
688 |
} |
689 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
690 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
691 |
return(0); |
692 |
} |
693 |
|
694 |
|
695 |
static int |
696 |
getcbyte( /* get a byte color value from stream(s) */ |
697 |
COLOR col |
698 |
) |
699 |
{ |
700 |
uby8 vb[3]; |
701 |
|
702 |
if (fin2 == NULL) { |
703 |
if (getbinary(vb, sizeof(uby8), 3, fin) != 3) |
704 |
return(-1); |
705 |
} else { |
706 |
if (getbinary(vb, sizeof(uby8), 1, fin) != 1 || |
707 |
getbinary(vb+1, sizeof(uby8), 1, fin2) != 1 || |
708 |
getbinary(vb+2, sizeof(uby8), 1, fin3) != 1) |
709 |
return(-1); |
710 |
} |
711 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
712 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
713 |
return(0); |
714 |
} |
715 |
|
716 |
|
717 |
static int |
718 |
getcword( /* get a 16-bit color value from stream(s) */ |
719 |
COLOR col |
720 |
) |
721 |
{ |
722 |
uint16 vw[3]; |
723 |
|
724 |
if (fin2 == NULL) { |
725 |
if (getbinary(vw, sizeof(uint16), 3, fin) != 3) |
726 |
return(-1); |
727 |
} else { |
728 |
if (getbinary(vw, sizeof(uint16), 1, fin) != 1 || |
729 |
getbinary(vw+1, sizeof(uint16), 1, fin2) != 1 || |
730 |
getbinary(vw+2, sizeof(uint16), 1, fin3) != 1) |
731 |
return(-1); |
732 |
} |
733 |
if (swapbytes) |
734 |
swap16((char *)vw, 3); |
735 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
736 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
737 |
return(0); |
738 |
} |
739 |
|
740 |
|
741 |
static int |
742 |
getbascii( /* get an ascii brightness value from fin */ |
743 |
COLOR col |
744 |
) |
745 |
{ |
746 |
double vd; |
747 |
|
748 |
if (fscanf(fin, "%lf", &vd) != 1) |
749 |
return(-1); |
750 |
setcolor(col, vd, vd, vd); |
751 |
return(0); |
752 |
} |
753 |
|
754 |
|
755 |
static int |
756 |
getbdouble( /* get a double brightness value from fin */ |
757 |
COLOR col |
758 |
) |
759 |
{ |
760 |
double vd; |
761 |
|
762 |
if (getbinary(&vd, sizeof(double), 1, fin) != 1) |
763 |
return(-1); |
764 |
if (swapbytes) |
765 |
swap64((char *)&vd, 1); |
766 |
setcolor(col, vd, vd, vd); |
767 |
return(0); |
768 |
} |
769 |
|
770 |
|
771 |
static int |
772 |
getbfloat( /* get a float brightness value from fin */ |
773 |
COLOR col |
774 |
) |
775 |
{ |
776 |
float vf; |
777 |
|
778 |
if (getbinary(&vf, sizeof(float), 1, fin) != 1) |
779 |
return(-1); |
780 |
if (swapbytes) |
781 |
swap32((char *)&vf, 1); |
782 |
setcolor(col, vf, vf, vf); |
783 |
return(0); |
784 |
} |
785 |
|
786 |
|
787 |
static int |
788 |
getbint( /* get an int brightness value from fin */ |
789 |
COLOR col |
790 |
) |
791 |
{ |
792 |
int vi; |
793 |
double d; |
794 |
|
795 |
if (fscanf(fin, "%d", &vi) != 1) |
796 |
return(-1); |
797 |
d = (vi+.5)/256.; |
798 |
setcolor(col, d, d, d); |
799 |
return(0); |
800 |
} |
801 |
|
802 |
|
803 |
static int |
804 |
getbbyte( /* get a byte brightness value from fin */ |
805 |
COLOR col |
806 |
) |
807 |
{ |
808 |
uby8 vb; |
809 |
double d; |
810 |
|
811 |
if (getbinary(&vb, sizeof(uby8), 1, fin) != 1) |
812 |
return(-1); |
813 |
d = (vb+.5)/256.; |
814 |
setcolor(col, d, d, d); |
815 |
return(0); |
816 |
} |
817 |
|
818 |
|
819 |
static int |
820 |
getbword( /* get a 16-bit brightness value from fin */ |
821 |
COLOR col |
822 |
) |
823 |
{ |
824 |
uint16 vw; |
825 |
double d; |
826 |
|
827 |
if (getbinary(&vw, sizeof(uint16), 1, fin) != 1) |
828 |
return(-1); |
829 |
if (swapbytes) |
830 |
swap16((char *)&vw, 1); |
831 |
d = (vw+.5)/65536.; |
832 |
setcolor(col, d, d, d); |
833 |
return(0); |
834 |
} |
835 |
|
836 |
|
837 |
static int |
838 |
putcascii( /* put an ascii color to stdout */ |
839 |
COLOR col |
840 |
) |
841 |
{ |
842 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
843 |
colval(col,ord[0]), |
844 |
colval(col,ord[1]), |
845 |
colval(col,ord[2])); |
846 |
|
847 |
return(ferror(stdout) ? -1 : 0); |
848 |
} |
849 |
|
850 |
|
851 |
static int |
852 |
putcfloat( /* put a float color to stdout */ |
853 |
COLOR col |
854 |
) |
855 |
{ |
856 |
float vf[3]; |
857 |
|
858 |
vf[0] = colval(col,ord[0]); |
859 |
vf[1] = colval(col,ord[1]); |
860 |
vf[2] = colval(col,ord[2]); |
861 |
if (swapbytes) |
862 |
swap32((char *)vf, 3); |
863 |
putbinary(vf, sizeof(float), 3, stdout); |
864 |
|
865 |
return(ferror(stdout) ? -1 : 0); |
866 |
} |
867 |
|
868 |
|
869 |
static int |
870 |
putcdouble( /* put a double color to stdout */ |
871 |
COLOR col |
872 |
) |
873 |
{ |
874 |
double vd[3]; |
875 |
|
876 |
vd[0] = colval(col,ord[0]); |
877 |
vd[1] = colval(col,ord[1]); |
878 |
vd[2] = colval(col,ord[2]); |
879 |
if (swapbytes) |
880 |
swap64((char *)vd, 3); |
881 |
putbinary(vd, sizeof(double), 3, stdout); |
882 |
|
883 |
return(ferror(stdout) ? -1 : 0); |
884 |
} |
885 |
|
886 |
|
887 |
static int |
888 |
putcint( /* put an int color to stdout */ |
889 |
COLOR col |
890 |
) |
891 |
{ |
892 |
fprintf(stdout, "%d %d %d\n", |
893 |
(int)(colval(col,ord[0])*256.), |
894 |
(int)(colval(col,ord[1])*256.), |
895 |
(int)(colval(col,ord[2])*256.)); |
896 |
|
897 |
return(ferror(stdout) ? -1 : 0); |
898 |
} |
899 |
|
900 |
|
901 |
static int |
902 |
putcbyte( /* put a byte color to stdout */ |
903 |
COLOR col |
904 |
) |
905 |
{ |
906 |
long i; |
907 |
uby8 vb[3]; |
908 |
|
909 |
i = colval(col,ord[0])*256.; |
910 |
vb[0] = min(i,255); |
911 |
i = colval(col,ord[1])*256.; |
912 |
vb[1] = min(i,255); |
913 |
i = colval(col,ord[2])*256.; |
914 |
vb[2] = min(i,255); |
915 |
putbinary(vb, sizeof(uby8), 3, stdout); |
916 |
|
917 |
return(ferror(stdout) ? -1 : 0); |
918 |
} |
919 |
|
920 |
|
921 |
static int |
922 |
putcword( /* put a 16-bit color to stdout */ |
923 |
COLOR col |
924 |
) |
925 |
{ |
926 |
long i; |
927 |
uint16 vw[3]; |
928 |
|
929 |
i = colval(col,ord[0])*65536.; |
930 |
vw[0] = min(i,65535); |
931 |
i = colval(col,ord[1])*65536.; |
932 |
vw[1] = min(i,65535); |
933 |
i = colval(col,ord[2])*65536.; |
934 |
vw[2] = min(i,65535); |
935 |
if (swapbytes) |
936 |
swap16((char *)vw, 3); |
937 |
putbinary(vw, sizeof(uint16), 3, stdout); |
938 |
|
939 |
return(ferror(stdout) ? -1 : 0); |
940 |
} |
941 |
|
942 |
|
943 |
static int |
944 |
putbascii( /* put an ascii brightness to stdout */ |
945 |
COLOR col |
946 |
) |
947 |
{ |
948 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
949 |
|
950 |
return(ferror(stdout) ? -1 : 0); |
951 |
} |
952 |
|
953 |
|
954 |
static int |
955 |
putbfloat( /* put a float brightness to stdout */ |
956 |
COLOR col |
957 |
) |
958 |
{ |
959 |
float vf; |
960 |
|
961 |
vf = (*mybright)(col); |
962 |
if (swapbytes) |
963 |
swap32((char *)&vf, 1); |
964 |
putbinary(&vf, sizeof(float), 1, stdout); |
965 |
|
966 |
return(ferror(stdout) ? -1 : 0); |
967 |
} |
968 |
|
969 |
|
970 |
static int |
971 |
putbdouble( /* put a double brightness to stdout */ |
972 |
COLOR col |
973 |
) |
974 |
{ |
975 |
double vd; |
976 |
|
977 |
vd = (*mybright)(col); |
978 |
if (swapbytes) |
979 |
swap64((char *)&vd, 1); |
980 |
putbinary(&vd, sizeof(double), 1, stdout); |
981 |
|
982 |
return(ferror(stdout) ? -1 : 0); |
983 |
} |
984 |
|
985 |
|
986 |
static int |
987 |
putbint( /* put an int brightness to stdout */ |
988 |
COLOR col |
989 |
) |
990 |
{ |
991 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
992 |
|
993 |
return(ferror(stdout) ? -1 : 0); |
994 |
} |
995 |
|
996 |
|
997 |
static int |
998 |
putbbyte( /* put a byte brightness to stdout */ |
999 |
COLOR col |
1000 |
) |
1001 |
{ |
1002 |
int i; |
1003 |
uby8 vb; |
1004 |
|
1005 |
i = (*mybright)(col)*256.; |
1006 |
vb = min(i,255); |
1007 |
putbinary(&vb, sizeof(uby8), 1, stdout); |
1008 |
|
1009 |
return(ferror(stdout) ? -1 : 0); |
1010 |
} |
1011 |
|
1012 |
|
1013 |
static int |
1014 |
putbword( /* put a 16-bit brightness to stdout */ |
1015 |
COLOR col |
1016 |
) |
1017 |
{ |
1018 |
long i; |
1019 |
uint16 vw; |
1020 |
|
1021 |
i = (*mybright)(col)*65536.; |
1022 |
vw = min(i,65535); |
1023 |
if (swapbytes) |
1024 |
swap16((char *)&vw, 1); |
1025 |
putbinary(&vw, sizeof(uint16), 1, stdout); |
1026 |
|
1027 |
return(ferror(stdout) ? -1 : 0); |
1028 |
} |
1029 |
|
1030 |
|
1031 |
static int |
1032 |
putpascii( /* put an ascii primary to stdout */ |
1033 |
COLOR col |
1034 |
) |
1035 |
{ |
1036 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
1037 |
|
1038 |
return(ferror(stdout) ? -1 : 0); |
1039 |
} |
1040 |
|
1041 |
|
1042 |
static int |
1043 |
putpfloat( /* put a float primary to stdout */ |
1044 |
COLOR col |
1045 |
) |
1046 |
{ |
1047 |
float vf; |
1048 |
|
1049 |
vf = colval(col,putprim); |
1050 |
if (swapbytes) |
1051 |
swap32((char *)&vf, 1); |
1052 |
putbinary(&vf, sizeof(float), 1, stdout); |
1053 |
|
1054 |
return(ferror(stdout) ? -1 : 0); |
1055 |
} |
1056 |
|
1057 |
|
1058 |
static int |
1059 |
putpdouble( /* put a double primary to stdout */ |
1060 |
COLOR col |
1061 |
) |
1062 |
{ |
1063 |
double vd; |
1064 |
|
1065 |
vd = colval(col,putprim); |
1066 |
if (swapbytes) |
1067 |
swap64((char *)&vd, 1); |
1068 |
putbinary(&vd, sizeof(double), 1, stdout); |
1069 |
|
1070 |
return(ferror(stdout) ? -1 : 0); |
1071 |
} |
1072 |
|
1073 |
|
1074 |
static int |
1075 |
putpint( /* put an int primary to stdout */ |
1076 |
COLOR col |
1077 |
) |
1078 |
{ |
1079 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
1080 |
|
1081 |
return(ferror(stdout) ? -1 : 0); |
1082 |
} |
1083 |
|
1084 |
|
1085 |
static int |
1086 |
putpbyte( /* put a byte primary to stdout */ |
1087 |
COLOR col |
1088 |
) |
1089 |
{ |
1090 |
long i; |
1091 |
uby8 vb; |
1092 |
|
1093 |
i = colval(col,putprim)*256.; |
1094 |
vb = min(i,255); |
1095 |
putbinary(&vb, sizeof(uby8), 1, stdout); |
1096 |
|
1097 |
return(ferror(stdout) ? -1 : 0); |
1098 |
} |
1099 |
|
1100 |
|
1101 |
static int |
1102 |
putpword( /* put a 16-bit primary to stdout */ |
1103 |
COLOR col |
1104 |
) |
1105 |
{ |
1106 |
long i; |
1107 |
uint16 vw; |
1108 |
|
1109 |
i = colval(col,putprim)*65536.; |
1110 |
vw = min(i,65535); |
1111 |
if (swapbytes) |
1112 |
swap16((char *)&vw, 1); |
1113 |
putbinary(&vw, sizeof(uint16), 1, stdout); |
1114 |
|
1115 |
return(ferror(stdout) ? -1 : 0); |
1116 |
} |
1117 |
|
1118 |
|
1119 |
static void |
1120 |
set_io(void) /* set put and get functions */ |
1121 |
{ |
1122 |
switch (format) { |
1123 |
case 'a': /* ascii */ |
1124 |
if (putprim == BRIGHT) { |
1125 |
getval = getbascii; |
1126 |
putval = putbascii; |
1127 |
} else if (putprim != ALL) { |
1128 |
getval = getbascii; |
1129 |
putval = putpascii; |
1130 |
} else { |
1131 |
getval = getcascii; |
1132 |
putval = putcascii; |
1133 |
if (reverse && !interleave) { |
1134 |
fprintf(stderr, |
1135 |
"%s: ASCII input files must be interleaved\n", |
1136 |
progname); |
1137 |
quit(1); |
1138 |
} |
1139 |
} |
1140 |
return; |
1141 |
case 'f': /* binary float */ |
1142 |
if (putprim == BRIGHT) { |
1143 |
getval = getbfloat; |
1144 |
putval = putbfloat; |
1145 |
} else if (putprim != ALL) { |
1146 |
getval = getbfloat; |
1147 |
putval = putpfloat; |
1148 |
} else { |
1149 |
getval = getcfloat; |
1150 |
putval = putcfloat; |
1151 |
if (reverse && !interleave) { |
1152 |
if (fin2 == NULL) |
1153 |
goto namerr; |
1154 |
if (fseek(fin2, |
1155 |
(long)sizeof(float)*picres.xr*picres.yr, SEEK_CUR)) |
1156 |
goto seekerr; |
1157 |
if (fseek(fin3, |
1158 |
(long)sizeof(float)*2*picres.xr*picres.yr, SEEK_CUR)) |
1159 |
goto seekerr; |
1160 |
} |
1161 |
} |
1162 |
return; |
1163 |
case 'd': /* binary double */ |
1164 |
if (putprim == BRIGHT) { |
1165 |
getval = getbdouble; |
1166 |
putval = putbdouble; |
1167 |
} else if (putprim != ALL) { |
1168 |
getval = getbdouble; |
1169 |
putval = putpdouble; |
1170 |
} else { |
1171 |
getval = getcdouble; |
1172 |
putval = putcdouble; |
1173 |
if (reverse && !interleave) { |
1174 |
if (fin2 == NULL) |
1175 |
goto namerr; |
1176 |
if (fseek(fin2, |
1177 |
(long)sizeof(double)*picres.xr*picres.yr, SEEK_CUR)) |
1178 |
goto seekerr; |
1179 |
if (fseek(fin3, |
1180 |
(long)sizeof(double)*2*picres.xr*picres.yr, SEEK_CUR)) |
1181 |
goto seekerr; |
1182 |
} |
1183 |
} |
1184 |
return; |
1185 |
case 'i': /* integer */ |
1186 |
if (putprim == BRIGHT) { |
1187 |
getval = getbint; |
1188 |
putval = putbint; |
1189 |
} else if (putprim != ALL) { |
1190 |
getval = getbint; |
1191 |
putval = putpint; |
1192 |
} else { |
1193 |
getval = getcint; |
1194 |
putval = putcint; |
1195 |
if (reverse && !interleave) { |
1196 |
fprintf(stderr, |
1197 |
"%s: integer input files must be interleaved\n", |
1198 |
progname); |
1199 |
quit(1); |
1200 |
} |
1201 |
} |
1202 |
return; |
1203 |
case 'b': /* byte */ |
1204 |
if (putprim == BRIGHT) { |
1205 |
getval = getbbyte; |
1206 |
putval = putbbyte; |
1207 |
} else if (putprim != ALL) { |
1208 |
getval = getbbyte; |
1209 |
putval = putpbyte; |
1210 |
} else { |
1211 |
getval = getcbyte; |
1212 |
putval = putcbyte; |
1213 |
if (reverse && !interleave) { |
1214 |
if (fin2 == NULL) |
1215 |
goto namerr; |
1216 |
if (fseek(fin2, |
1217 |
(long)sizeof(uby8)*picres.xr*picres.yr, SEEK_CUR)) |
1218 |
goto seekerr; |
1219 |
if (fseek(fin3, |
1220 |
(long)sizeof(uby8)*2*picres.xr*picres.yr, SEEK_CUR)) |
1221 |
goto seekerr; |
1222 |
} |
1223 |
} |
1224 |
return; |
1225 |
case 'w': /* 16-bit */ |
1226 |
if (putprim == BRIGHT) { |
1227 |
getval = getbword; |
1228 |
putval = putbword; |
1229 |
} else if (putprim != ALL) { |
1230 |
getval = getbword; |
1231 |
putval = putpword; |
1232 |
} else { |
1233 |
getval = getcword; |
1234 |
putval = putcword; |
1235 |
if (reverse && !interleave) { |
1236 |
if (fin2 == NULL) |
1237 |
goto namerr; |
1238 |
if (fseek(fin2, |
1239 |
(long)sizeof(uint16)*picres.xr*picres.yr, SEEK_CUR)) |
1240 |
goto seekerr; |
1241 |
if (fseek(fin3, |
1242 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, SEEK_CUR)) |
1243 |
goto seekerr; |
1244 |
} |
1245 |
} |
1246 |
return; |
1247 |
} |
1248 |
/* badopt: */ /* label not used */ |
1249 |
fprintf(stderr, "%s: botched file type\n", progname); |
1250 |
quit(1); |
1251 |
namerr: |
1252 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1253 |
progname); |
1254 |
quit(1); |
1255 |
seekerr: |
1256 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1257 |
progname); |
1258 |
quit(1); |
1259 |
} |