1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.38 2020/02/06 19:33:32 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 'g': /* gamma correction */ |
122 |
gamcor = atof(argv[i+1]); |
123 |
if (argv[i][0] == '+') |
124 |
gamcor = 1.0/gamcor; |
125 |
i++; |
126 |
break; |
127 |
case 'e': /* exposure correction */ |
128 |
d = atof(argv[i+1]); |
129 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
130 |
d = pow(2.0, d); |
131 |
if (argv[i][0] == '-') |
132 |
expval *= d; |
133 |
scalecolor(exposure, d); |
134 |
doexposure++; |
135 |
i++; |
136 |
break; |
137 |
case 'R': /* reverse byte sequence */ |
138 |
if (argv[i][0] == '-') { |
139 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
140 |
} else { |
141 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
142 |
} |
143 |
break; |
144 |
case 'r': /* reverse conversion */ |
145 |
reverse = argv[i][0] == '-'; |
146 |
break; |
147 |
case 'n': /* non-interleaved RGB */ |
148 |
interleave = argv[i][0] == '+'; |
149 |
break; |
150 |
case 'b': /* brightness values */ |
151 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
152 |
break; |
153 |
case 'p': /* primary controls */ |
154 |
switch (argv[i][2]) { |
155 |
/* these two options affect -r conversion */ |
156 |
case '\0': |
157 |
myprims[RED][CIEX] = atof(argv[++i]); |
158 |
myprims[RED][CIEY] = atof(argv[++i]); |
159 |
myprims[GRN][CIEX] = atof(argv[++i]); |
160 |
myprims[GRN][CIEY] = atof(argv[++i]); |
161 |
myprims[BLU][CIEX] = atof(argv[++i]); |
162 |
myprims[BLU][CIEY] = atof(argv[++i]); |
163 |
myprims[WHT][CIEX] = atof(argv[++i]); |
164 |
myprims[WHT][CIEY] = atof(argv[++i]); |
165 |
outprims = myprims; |
166 |
break; |
167 |
case 'x': case 'X': outprims = NULL; break; |
168 |
/* the following options affect +r only */ |
169 |
case 'r': case 'R': putprim = RED; break; |
170 |
case 'g': case 'G': putprim = GRN; break; |
171 |
case 'b': case 'B': putprim = BLU; break; |
172 |
default: goto unkopt; |
173 |
} |
174 |
break; |
175 |
case 'd': /* data only (no indices) */ |
176 |
dataonly = (argv[i][0] == '-'); |
177 |
switch (argv[i][2]) { |
178 |
case '\0': |
179 |
case 'a': /* ascii */ |
180 |
format = 'a'; |
181 |
fmtid = "ascii"; |
182 |
break; |
183 |
case 'i': /* integer */ |
184 |
format = 'i'; |
185 |
fmtid = "ascii"; |
186 |
break; |
187 |
case 'b': /* byte */ |
188 |
dataonly = 1; |
189 |
format = 'b'; |
190 |
fmtid = "byte"; |
191 |
break; |
192 |
case 'W': /* 16-bit swapped */ |
193 |
swapbytes = 1; |
194 |
case 'w': /* 16-bit */ |
195 |
dataonly = 1; |
196 |
format = 'w'; |
197 |
fmtid = "16-bit"; |
198 |
break; |
199 |
case 'F': /* swapped floats */ |
200 |
swapbytes = 1; |
201 |
case 'f': /* float */ |
202 |
dataonly = 1; |
203 |
format = 'f'; |
204 |
fmtid = "float"; |
205 |
break; |
206 |
case 'D': /* swapped doubles */ |
207 |
swapbytes = 1; |
208 |
case 'd': /* double */ |
209 |
dataonly = 1; |
210 |
format = 'd'; |
211 |
fmtid = "double"; |
212 |
break; |
213 |
default: |
214 |
goto unkopt; |
215 |
} |
216 |
break; |
217 |
case 'x': /* x resolution */ |
218 |
case 'X': /* x resolution */ |
219 |
resolution = 0; |
220 |
if (argv[i][0] == '-') |
221 |
picres.rt |= XDECR; |
222 |
picres.xr = atoi(argv[++i]); |
223 |
break; |
224 |
case 'y': /* y resolution */ |
225 |
case 'Y': /* y resolution */ |
226 |
resolution = 0; |
227 |
if (argv[i][0] == '-') |
228 |
picres.rt |= YDECR; |
229 |
if (picres.xr == 0) |
230 |
picres.rt |= YMAJOR; |
231 |
picres.yr = atoi(argv[++i]); |
232 |
break; |
233 |
default: |
234 |
unkopt: |
235 |
fprintf(stderr, "%s: unknown option: %s\n", |
236 |
progname, argv[i]); |
237 |
quit(1); |
238 |
break; |
239 |
} |
240 |
else |
241 |
break; |
242 |
/* recognize special formats */ |
243 |
if (dataonly && format == 'b') { |
244 |
if (putprim == ALL) |
245 |
fmtid = "24-bit_rgb"; |
246 |
else |
247 |
fmtid = "8-bit_grey"; |
248 |
} |
249 |
if (dataonly && format == 'w') { |
250 |
if (putprim == ALL) |
251 |
fmtid = "48-bit_rgb"; |
252 |
else |
253 |
fmtid = "16-bit_grey"; |
254 |
} |
255 |
if (!reverse || (format != 'a') & (format != 'i')) |
256 |
inpmode = "rb"; |
257 |
/* assign reverse ordering */ |
258 |
rord[ord[0]] = 0; |
259 |
rord[ord[1]] = 1; |
260 |
rord[ord[2]] = 2; |
261 |
/* get input */ |
262 |
if (i == argc) { |
263 |
long n = skipbytes; |
264 |
if (inpmode[1] == 'b') |
265 |
SET_FILE_BINARY(stdin); |
266 |
while (n-- > 0) |
267 |
if (getchar() == EOF) { |
268 |
fprintf(stderr, |
269 |
"%s: cannot skip %ld bytes on standard input\n", |
270 |
progname, skipbytes); |
271 |
quit(1); |
272 |
} |
273 |
fin = stdin; |
274 |
} else if (i < argc) { |
275 |
if ((fin = fopen(argv[i], inpmode)) == NULL) { |
276 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
277 |
progname, argv[i]); |
278 |
quit(1); |
279 |
} |
280 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
281 |
if ((fin2 = fopen(argv[i+1], inpmode)) == NULL) { |
282 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
283 |
progname, argv[i+1]); |
284 |
quit(1); |
285 |
} |
286 |
if ((fin3 = fopen(argv[i+2], inpmode)) == NULL) { |
287 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
288 |
progname, argv[i+2]); |
289 |
quit(1); |
290 |
} |
291 |
interleave = -1; |
292 |
} else if (i != argc-1) |
293 |
fin = NULL; |
294 |
if (reverse && putprim != BRIGHT && !interleave) { |
295 |
fin2 = fopen(argv[i], inpmode); |
296 |
fin3 = fopen(argv[i], inpmode); |
297 |
} |
298 |
if (skipbytes && (fseek(fin, skipbytes, SEEK_SET) || (fin2 != NULL && |
299 |
fseek(fin2, skipbytes, SEEK_SET) | |
300 |
fseek(fin3, skipbytes, SEEK_SET)))) { |
301 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
302 |
progname, skipbytes); |
303 |
quit(1); |
304 |
} |
305 |
} |
306 |
if (fin == NULL) { |
307 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
308 |
quit(1); |
309 |
} |
310 |
|
311 |
if (reverse) { |
312 |
SET_FILE_BINARY(stdout); |
313 |
/* get header */ |
314 |
if (header) { |
315 |
getheader(fin, checkhead, stdout); |
316 |
if (wrongformat) { |
317 |
fprintf(stderr, "%s: wrong input format (expected %s)\n", |
318 |
progname, fmtid); |
319 |
quit(1); |
320 |
} |
321 |
if (fin2 != NULL) { |
322 |
getheader(fin2, NULL, NULL); |
323 |
getheader(fin3, NULL, NULL); |
324 |
} |
325 |
} else |
326 |
newheader("RADIANCE", stdout); |
327 |
/* get resolution */ |
328 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
329 |
picres.xr <= 0 || picres.yr <= 0) { |
330 |
fprintf(stderr, "%s: missing resolution\n", progname); |
331 |
quit(1); |
332 |
} |
333 |
if (resolution && fin2 != NULL) { |
334 |
RESOLU pres2; |
335 |
if (!fgetsresolu(&pres2, fin2) || |
336 |
pres2.rt != picres.rt || |
337 |
pres2.xr != picres.xr || |
338 |
pres2.yr != picres.yr || |
339 |
!fgetsresolu(&pres2, fin3) || |
340 |
pres2.rt != picres.rt || |
341 |
pres2.xr != picres.xr || |
342 |
pres2.yr != picres.yr) { |
343 |
fprintf(stderr, "%s: resolution mismatch\n", |
344 |
progname); |
345 |
quit(1); |
346 |
} |
347 |
} |
348 |
/* add to header */ |
349 |
printargs(i, argv, stdout); |
350 |
if (expval < .99 || expval > 1.01) |
351 |
fputexpos(expval, stdout); |
352 |
if (outprims != NULL) { |
353 |
if (outprims != stdprims) |
354 |
fputprims(outprims, stdout); |
355 |
fputformat(COLRFMT, stdout); |
356 |
} else /* XYZ data */ |
357 |
fputformat(CIEFMT, stdout); |
358 |
putchar('\n'); |
359 |
fputsresolu(&picres, stdout); /* always put resolution */ |
360 |
valtopix(); |
361 |
} else { |
362 |
if ((format != 'a') & (format != 'i')) |
363 |
SET_FILE_BINARY(stdout); |
364 |
/* get header */ |
365 |
getheader(fin, checkhead, header ? stdout : (FILE *)NULL); |
366 |
if (wrongformat) { |
367 |
fprintf(stderr, |
368 |
"%s: input not a Radiance RGBE picture\n", |
369 |
progname); |
370 |
quit(1); |
371 |
} |
372 |
if (!fgetsresolu(&picres, fin)) { |
373 |
fprintf(stderr, "%s: missing resolution\n", progname); |
374 |
quit(1); |
375 |
} |
376 |
if (header) { |
377 |
printargs(i, argv, stdout); |
378 |
printf("NCOMP=%d\n", putprim==ALL ? 3 : 1); |
379 |
if (!resolution && dataonly && !uniq) |
380 |
printf("NCOLS=%d\nNROWS=%d\n", scanlen(&picres), |
381 |
numscans(&picres)); |
382 |
if (expval < .99 || expval > 1.01) |
383 |
fputexpos(expval, stdout); |
384 |
if (swapbytes) { |
385 |
if (nativebigendian()) |
386 |
puts("BigEndian=0"); |
387 |
else |
388 |
puts("BigEndian=1"); |
389 |
} else if ((format != 'a') & (format != 'i')) |
390 |
fputendian(stdout); |
391 |
fputformat(fmtid, stdout); |
392 |
putchar('\n'); |
393 |
} |
394 |
if (resolution) /* put resolution */ |
395 |
fputsresolu(&picres, stdout); |
396 |
pixtoval(); |
397 |
} |
398 |
|
399 |
quit(0); |
400 |
return 0; /* pro forma return */ |
401 |
} |
402 |
|
403 |
|
404 |
static int |
405 |
checkhead( /* deal with line from header */ |
406 |
char *line, |
407 |
void *p |
408 |
) |
409 |
{ |
410 |
FILE *fout = (FILE *)p; |
411 |
char fmt[MAXFMTLEN]; |
412 |
double d; |
413 |
COLOR ctmp; |
414 |
int rv; |
415 |
|
416 |
if (formatval(fmt, line)) { |
417 |
if (reverse) |
418 |
wrongformat = strcmp(fmt, fmtid); |
419 |
else if (!strcmp(fmt, CIEFMT)) |
420 |
mybright = &xyz_bright; |
421 |
else if (!strcmp(fmt, COLRFMT)) |
422 |
mybright = &rgb_bright; |
423 |
else |
424 |
wrongformat++; |
425 |
return(1); |
426 |
} |
427 |
if (original && isexpos(line)) { |
428 |
d = 1.0/exposval(line); |
429 |
scalecolor(exposure, d); |
430 |
doexposure++; |
431 |
return(1); |
432 |
} |
433 |
if (original && iscolcor(line)) { |
434 |
colcorval(ctmp, line); |
435 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
436 |
colval(exposure,GRN)/colval(ctmp,GRN), |
437 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
438 |
doexposure++; |
439 |
return(1); |
440 |
} |
441 |
if ((rv = isbigendian(line)) >= 0) { |
442 |
if (reverse) |
443 |
swapbytes = (nativebigendian() != rv); |
444 |
return(1); |
445 |
} |
446 |
if (fout != NULL) |
447 |
fputs(line, fout); |
448 |
return(0); |
449 |
} |
450 |
|
451 |
|
452 |
static void |
453 |
pixtoval(void) /* convert picture to values */ |
454 |
{ |
455 |
COLOR *scanln; |
456 |
int dogamma; |
457 |
COLOR lastc; |
458 |
RREAL hv[2]; |
459 |
int startprim, endprim; |
460 |
long startpos; |
461 |
int x, y; |
462 |
|
463 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
464 |
if (scanln == NULL) { |
465 |
fprintf(stderr, "%s: out of memory\n", progname); |
466 |
quit(1); |
467 |
} |
468 |
dogamma = gamcor < .95 || gamcor > 1.05; |
469 |
if ((putprim == ALL) & !interleave) { |
470 |
startprim = RED; endprim = BLU; |
471 |
startpos = ftell(fin); |
472 |
} else { |
473 |
startprim = putprim; endprim = putprim; |
474 |
} |
475 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
476 |
if (putprim != startprim && fseek(fin, startpos, SEEK_SET)) { |
477 |
fprintf(stderr, "%s: seek error on input file\n", |
478 |
progname); |
479 |
quit(1); |
480 |
} |
481 |
set_io(); |
482 |
setcolor(lastc, 0.0, 0.0, 0.0); |
483 |
for (y = 0; y < numscans(&picres); y++) { |
484 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
485 |
fprintf(stderr, "%s: read error\n", progname); |
486 |
quit(1); |
487 |
} |
488 |
for (x = 0; x < scanlen(&picres); x++) { |
489 |
if (uniq) { |
490 |
if ( colval(scanln[x],RED) == |
491 |
colval(lastc,RED) && |
492 |
colval(scanln[x],GRN) == |
493 |
colval(lastc,GRN) && |
494 |
colval(scanln[x],BLU) == |
495 |
colval(lastc,BLU) ) |
496 |
continue; |
497 |
else |
498 |
copycolor(lastc, scanln[x]); |
499 |
} |
500 |
if (doexposure) |
501 |
multcolor(scanln[x], exposure); |
502 |
if (dogamma) |
503 |
setcolor(scanln[x], |
504 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
505 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
506 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
507 |
if (!dataonly) { |
508 |
pix2loc(hv, &picres, x, y); |
509 |
printf("%7d %7d ", |
510 |
(int)(hv[0]*picres.xr), |
511 |
(int)(hv[1]*picres.yr)); |
512 |
} |
513 |
if ((*putval)(scanln[x]) < 0) { |
514 |
fprintf(stderr, "%s: write error\n", |
515 |
progname); |
516 |
quit(1); |
517 |
} |
518 |
} |
519 |
} |
520 |
} |
521 |
free((void *)scanln); |
522 |
} |
523 |
|
524 |
|
525 |
static void |
526 |
valtopix(void) /* convert values to a pixel file */ |
527 |
{ |
528 |
int dogamma; |
529 |
COLOR *scanln; |
530 |
COLR rgbe; |
531 |
int x, y; |
532 |
|
533 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
534 |
if (scanln == NULL) { |
535 |
fprintf(stderr, "%s: out of memory\n", progname); |
536 |
quit(1); |
537 |
} |
538 |
dogamma = gamcor < .95 || gamcor > 1.05; |
539 |
set_io(); |
540 |
for (y = 0; y < numscans(&picres); y++) { |
541 |
for (x = 0; x < scanlen(&picres); x++) { |
542 |
if (!dataonly) { |
543 |
fscanf(fin, "%*d %*d"); |
544 |
if (fin2 != NULL) { |
545 |
fscanf(fin2, "%*d %*d"); |
546 |
fscanf(fin3, "%*d %*d"); |
547 |
} |
548 |
} |
549 |
if ((*getval)(scanln[x]) < 0) { |
550 |
fprintf(stderr, "%s: read error\n", progname); |
551 |
quit(1); |
552 |
} |
553 |
if (dogamma) |
554 |
setcolor(scanln[x], |
555 |
pow(colval(scanln[x],RED), gamcor), |
556 |
pow(colval(scanln[x],GRN), gamcor), |
557 |
pow(colval(scanln[x],BLU), gamcor)); |
558 |
if (doexposure) |
559 |
multcolor(scanln[x], exposure); |
560 |
if (uniq) { /* uncompressed? */ |
561 |
setcolr(rgbe, scanln[x][RED], |
562 |
scanln[x][GRN], |
563 |
scanln[x][BLU]); |
564 |
if (putbinary(rgbe, sizeof(COLR), 1, stdout) != 1) |
565 |
goto writerr; |
566 |
} |
567 |
} |
568 |
/* write scan if compressed */ |
569 |
if (!uniq && fwritescan(scanln, scanlen(&picres), stdout) < 0) |
570 |
goto writerr; |
571 |
} |
572 |
free((void *)scanln); |
573 |
return; |
574 |
writerr: |
575 |
fprintf(stderr, "%s: write error\n", progname); |
576 |
quit(1); |
577 |
} |
578 |
|
579 |
|
580 |
void |
581 |
quit(code) |
582 |
int code; |
583 |
{ |
584 |
exit(code); |
585 |
} |
586 |
|
587 |
|
588 |
static int |
589 |
getcascii( /* get an ascii color value from stream(s) */ |
590 |
COLOR col |
591 |
) |
592 |
{ |
593 |
double vd[3]; |
594 |
|
595 |
if (fin2 == NULL) { |
596 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
597 |
return(-1); |
598 |
} else { |
599 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
600 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
601 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
602 |
return(-1); |
603 |
} |
604 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
605 |
return(0); |
606 |
} |
607 |
|
608 |
|
609 |
static int |
610 |
getcdouble( /* get a double color value from stream(s) */ |
611 |
COLOR col |
612 |
) |
613 |
{ |
614 |
double vd[3]; |
615 |
|
616 |
if (fin2 == NULL) { |
617 |
if (getbinary(vd, sizeof(double), 3, fin) != 3) |
618 |
return(-1); |
619 |
} else { |
620 |
if (getbinary(vd, sizeof(double), 1, fin) != 1 || |
621 |
getbinary(vd+1, sizeof(double), 1, fin2) != 1 || |
622 |
getbinary(vd+2, sizeof(double), 1, fin3) != 1) |
623 |
return(-1); |
624 |
} |
625 |
if (swapbytes) |
626 |
swap64((char *)vd, 3); |
627 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
628 |
return(0); |
629 |
} |
630 |
|
631 |
|
632 |
static int |
633 |
getcfloat( /* get a float color value from stream(s) */ |
634 |
COLOR col |
635 |
) |
636 |
{ |
637 |
float vf[3]; |
638 |
|
639 |
if (fin2 == NULL) { |
640 |
if (getbinary(vf, sizeof(float), 3, fin) != 3) |
641 |
return(-1); |
642 |
} else { |
643 |
if (getbinary(vf, sizeof(float), 1, fin) != 1 || |
644 |
getbinary(vf+1, sizeof(float), 1, fin2) != 1 || |
645 |
getbinary(vf+2, sizeof(float), 1, fin3) != 1) |
646 |
return(-1); |
647 |
} |
648 |
if (swapbytes) |
649 |
swap32((char *)vf, 3); |
650 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
651 |
return(0); |
652 |
} |
653 |
|
654 |
|
655 |
static int |
656 |
getcint( /* get an int color value from stream(s) */ |
657 |
COLOR col |
658 |
) |
659 |
{ |
660 |
int vi[3]; |
661 |
|
662 |
if (fin2 == NULL) { |
663 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
664 |
return(-1); |
665 |
} else { |
666 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
667 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
668 |
fscanf(fin3, "%d", &vi[2]) != 1) |
669 |
return(-1); |
670 |
} |
671 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
672 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
673 |
return(0); |
674 |
} |
675 |
|
676 |
|
677 |
static int |
678 |
getcbyte( /* get a byte color value from stream(s) */ |
679 |
COLOR col |
680 |
) |
681 |
{ |
682 |
uby8 vb[3]; |
683 |
|
684 |
if (fin2 == NULL) { |
685 |
if (getbinary(vb, sizeof(uby8), 3, fin) != 3) |
686 |
return(-1); |
687 |
} else { |
688 |
if (getbinary(vb, sizeof(uby8), 1, fin) != 1 || |
689 |
getbinary(vb+1, sizeof(uby8), 1, fin2) != 1 || |
690 |
getbinary(vb+2, sizeof(uby8), 1, fin3) != 1) |
691 |
return(-1); |
692 |
} |
693 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
694 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
695 |
return(0); |
696 |
} |
697 |
|
698 |
|
699 |
static int |
700 |
getcword( /* get a 16-bit color value from stream(s) */ |
701 |
COLOR col |
702 |
) |
703 |
{ |
704 |
uint16 vw[3]; |
705 |
|
706 |
if (fin2 == NULL) { |
707 |
if (getbinary(vw, sizeof(uint16), 3, fin) != 3) |
708 |
return(-1); |
709 |
} else { |
710 |
if (getbinary(vw, sizeof(uint16), 1, fin) != 1 || |
711 |
getbinary(vw+1, sizeof(uint16), 1, fin2) != 1 || |
712 |
getbinary(vw+2, sizeof(uint16), 1, fin3) != 1) |
713 |
return(-1); |
714 |
} |
715 |
if (swapbytes) |
716 |
swap16((char *)vw, 3); |
717 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
718 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
719 |
return(0); |
720 |
} |
721 |
|
722 |
|
723 |
static int |
724 |
getbascii( /* get an ascii brightness value from fin */ |
725 |
COLOR col |
726 |
) |
727 |
{ |
728 |
double vd; |
729 |
|
730 |
if (fscanf(fin, "%lf", &vd) != 1) |
731 |
return(-1); |
732 |
setcolor(col, vd, vd, vd); |
733 |
return(0); |
734 |
} |
735 |
|
736 |
|
737 |
static int |
738 |
getbdouble( /* get a double brightness value from fin */ |
739 |
COLOR col |
740 |
) |
741 |
{ |
742 |
double vd; |
743 |
|
744 |
if (getbinary(&vd, sizeof(double), 1, fin) != 1) |
745 |
return(-1); |
746 |
if (swapbytes) |
747 |
swap64((char *)&vd, 1); |
748 |
setcolor(col, vd, vd, vd); |
749 |
return(0); |
750 |
} |
751 |
|
752 |
|
753 |
static int |
754 |
getbfloat( /* get a float brightness value from fin */ |
755 |
COLOR col |
756 |
) |
757 |
{ |
758 |
float vf; |
759 |
|
760 |
if (getbinary(&vf, sizeof(float), 1, fin) != 1) |
761 |
return(-1); |
762 |
if (swapbytes) |
763 |
swap32((char *)&vf, 1); |
764 |
setcolor(col, vf, vf, vf); |
765 |
return(0); |
766 |
} |
767 |
|
768 |
|
769 |
static int |
770 |
getbint( /* get an int brightness value from fin */ |
771 |
COLOR col |
772 |
) |
773 |
{ |
774 |
int vi; |
775 |
double d; |
776 |
|
777 |
if (fscanf(fin, "%d", &vi) != 1) |
778 |
return(-1); |
779 |
d = (vi+.5)/256.; |
780 |
setcolor(col, d, d, d); |
781 |
return(0); |
782 |
} |
783 |
|
784 |
|
785 |
static int |
786 |
getbbyte( /* get a byte brightness value from fin */ |
787 |
COLOR col |
788 |
) |
789 |
{ |
790 |
uby8 vb; |
791 |
double d; |
792 |
|
793 |
if (getbinary(&vb, sizeof(uby8), 1, fin) != 1) |
794 |
return(-1); |
795 |
d = (vb+.5)/256.; |
796 |
setcolor(col, d, d, d); |
797 |
return(0); |
798 |
} |
799 |
|
800 |
|
801 |
static int |
802 |
getbword( /* get a 16-bit brightness value from fin */ |
803 |
COLOR col |
804 |
) |
805 |
{ |
806 |
uint16 vw; |
807 |
double d; |
808 |
|
809 |
if (getbinary(&vw, sizeof(uint16), 1, fin) != 1) |
810 |
return(-1); |
811 |
if (swapbytes) |
812 |
swap16((char *)&vw, 1); |
813 |
d = (vw+.5)/65536.; |
814 |
setcolor(col, d, d, d); |
815 |
return(0); |
816 |
} |
817 |
|
818 |
|
819 |
static int |
820 |
putcascii( /* put an ascii color to stdout */ |
821 |
COLOR col |
822 |
) |
823 |
{ |
824 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
825 |
colval(col,ord[0]), |
826 |
colval(col,ord[1]), |
827 |
colval(col,ord[2])); |
828 |
|
829 |
return(ferror(stdout) ? -1 : 0); |
830 |
} |
831 |
|
832 |
|
833 |
static int |
834 |
putcfloat( /* put a float color to stdout */ |
835 |
COLOR col |
836 |
) |
837 |
{ |
838 |
float vf[3]; |
839 |
|
840 |
vf[0] = colval(col,ord[0]); |
841 |
vf[1] = colval(col,ord[1]); |
842 |
vf[2] = colval(col,ord[2]); |
843 |
if (swapbytes) |
844 |
swap32((char *)vf, 3); |
845 |
putbinary(vf, sizeof(float), 3, stdout); |
846 |
|
847 |
return(ferror(stdout) ? -1 : 0); |
848 |
} |
849 |
|
850 |
|
851 |
static int |
852 |
putcdouble( /* put a double color to stdout */ |
853 |
COLOR col |
854 |
) |
855 |
{ |
856 |
double vd[3]; |
857 |
|
858 |
vd[0] = colval(col,ord[0]); |
859 |
vd[1] = colval(col,ord[1]); |
860 |
vd[2] = colval(col,ord[2]); |
861 |
if (swapbytes) |
862 |
swap64((char *)vd, 3); |
863 |
putbinary(vd, sizeof(double), 3, stdout); |
864 |
|
865 |
return(ferror(stdout) ? -1 : 0); |
866 |
} |
867 |
|
868 |
|
869 |
static int |
870 |
putcint( /* put an int color to stdout */ |
871 |
COLOR col |
872 |
) |
873 |
{ |
874 |
fprintf(stdout, "%d %d %d\n", |
875 |
(int)(colval(col,ord[0])*256.), |
876 |
(int)(colval(col,ord[1])*256.), |
877 |
(int)(colval(col,ord[2])*256.)); |
878 |
|
879 |
return(ferror(stdout) ? -1 : 0); |
880 |
} |
881 |
|
882 |
|
883 |
static int |
884 |
putcbyte( /* put a byte color to stdout */ |
885 |
COLOR col |
886 |
) |
887 |
{ |
888 |
long i; |
889 |
uby8 vb[3]; |
890 |
|
891 |
i = colval(col,ord[0])*256.; |
892 |
vb[0] = min(i,255); |
893 |
i = colval(col,ord[1])*256.; |
894 |
vb[1] = min(i,255); |
895 |
i = colval(col,ord[2])*256.; |
896 |
vb[2] = min(i,255); |
897 |
putbinary(vb, sizeof(uby8), 3, stdout); |
898 |
|
899 |
return(ferror(stdout) ? -1 : 0); |
900 |
} |
901 |
|
902 |
|
903 |
static int |
904 |
putcword( /* put a 16-bit color to stdout */ |
905 |
COLOR col |
906 |
) |
907 |
{ |
908 |
long i; |
909 |
uint16 vw[3]; |
910 |
|
911 |
i = colval(col,ord[0])*65536.; |
912 |
vw[0] = min(i,65535); |
913 |
i = colval(col,ord[1])*65536.; |
914 |
vw[1] = min(i,65535); |
915 |
i = colval(col,ord[2])*65536.; |
916 |
vw[2] = min(i,65535); |
917 |
if (swapbytes) |
918 |
swap16((char *)vw, 3); |
919 |
putbinary(vw, sizeof(uint16), 3, stdout); |
920 |
|
921 |
return(ferror(stdout) ? -1 : 0); |
922 |
} |
923 |
|
924 |
|
925 |
static int |
926 |
putbascii( /* put an ascii brightness to stdout */ |
927 |
COLOR col |
928 |
) |
929 |
{ |
930 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
931 |
|
932 |
return(ferror(stdout) ? -1 : 0); |
933 |
} |
934 |
|
935 |
|
936 |
static int |
937 |
putbfloat( /* put a float brightness to stdout */ |
938 |
COLOR col |
939 |
) |
940 |
{ |
941 |
float vf; |
942 |
|
943 |
vf = (*mybright)(col); |
944 |
if (swapbytes) |
945 |
swap32((char *)&vf, 1); |
946 |
putbinary(&vf, sizeof(float), 1, stdout); |
947 |
|
948 |
return(ferror(stdout) ? -1 : 0); |
949 |
} |
950 |
|
951 |
|
952 |
static int |
953 |
putbdouble( /* put a double brightness to stdout */ |
954 |
COLOR col |
955 |
) |
956 |
{ |
957 |
double vd; |
958 |
|
959 |
vd = (*mybright)(col); |
960 |
if (swapbytes) |
961 |
swap64((char *)&vd, 1); |
962 |
putbinary(&vd, sizeof(double), 1, stdout); |
963 |
|
964 |
return(ferror(stdout) ? -1 : 0); |
965 |
} |
966 |
|
967 |
|
968 |
static int |
969 |
putbint( /* put an int brightness to stdout */ |
970 |
COLOR col |
971 |
) |
972 |
{ |
973 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
974 |
|
975 |
return(ferror(stdout) ? -1 : 0); |
976 |
} |
977 |
|
978 |
|
979 |
static int |
980 |
putbbyte( /* put a byte brightness to stdout */ |
981 |
COLOR col |
982 |
) |
983 |
{ |
984 |
int i; |
985 |
uby8 vb; |
986 |
|
987 |
i = (*mybright)(col)*256.; |
988 |
vb = min(i,255); |
989 |
putbinary(&vb, sizeof(uby8), 1, stdout); |
990 |
|
991 |
return(ferror(stdout) ? -1 : 0); |
992 |
} |
993 |
|
994 |
|
995 |
static int |
996 |
putbword( /* put a 16-bit brightness to stdout */ |
997 |
COLOR col |
998 |
) |
999 |
{ |
1000 |
long i; |
1001 |
uint16 vw; |
1002 |
|
1003 |
i = (*mybright)(col)*65536.; |
1004 |
vw = min(i,65535); |
1005 |
if (swapbytes) |
1006 |
swap16((char *)&vw, 1); |
1007 |
putbinary(&vw, sizeof(uint16), 1, stdout); |
1008 |
|
1009 |
return(ferror(stdout) ? -1 : 0); |
1010 |
} |
1011 |
|
1012 |
|
1013 |
static int |
1014 |
putpascii( /* put an ascii primary to stdout */ |
1015 |
COLOR col |
1016 |
) |
1017 |
{ |
1018 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
1019 |
|
1020 |
return(ferror(stdout) ? -1 : 0); |
1021 |
} |
1022 |
|
1023 |
|
1024 |
static int |
1025 |
putpfloat( /* put a float primary to stdout */ |
1026 |
COLOR col |
1027 |
) |
1028 |
{ |
1029 |
float vf; |
1030 |
|
1031 |
vf = colval(col,putprim); |
1032 |
if (swapbytes) |
1033 |
swap32((char *)&vf, 1); |
1034 |
putbinary(&vf, sizeof(float), 1, stdout); |
1035 |
|
1036 |
return(ferror(stdout) ? -1 : 0); |
1037 |
} |
1038 |
|
1039 |
|
1040 |
static int |
1041 |
putpdouble( /* put a double primary to stdout */ |
1042 |
COLOR col |
1043 |
) |
1044 |
{ |
1045 |
double vd; |
1046 |
|
1047 |
vd = colval(col,putprim); |
1048 |
if (swapbytes) |
1049 |
swap64((char *)&vd, 1); |
1050 |
putbinary(&vd, sizeof(double), 1, stdout); |
1051 |
|
1052 |
return(ferror(stdout) ? -1 : 0); |
1053 |
} |
1054 |
|
1055 |
|
1056 |
static int |
1057 |
putpint( /* put an int primary to stdout */ |
1058 |
COLOR col |
1059 |
) |
1060 |
{ |
1061 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
1062 |
|
1063 |
return(ferror(stdout) ? -1 : 0); |
1064 |
} |
1065 |
|
1066 |
|
1067 |
static int |
1068 |
putpbyte( /* put a byte primary to stdout */ |
1069 |
COLOR col |
1070 |
) |
1071 |
{ |
1072 |
long i; |
1073 |
uby8 vb; |
1074 |
|
1075 |
i = colval(col,putprim)*256.; |
1076 |
vb = min(i,255); |
1077 |
putbinary(&vb, sizeof(uby8), 1, stdout); |
1078 |
|
1079 |
return(ferror(stdout) ? -1 : 0); |
1080 |
} |
1081 |
|
1082 |
|
1083 |
static int |
1084 |
putpword( /* put a 16-bit primary to stdout */ |
1085 |
COLOR col |
1086 |
) |
1087 |
{ |
1088 |
long i; |
1089 |
uint16 vw; |
1090 |
|
1091 |
i = colval(col,putprim)*65536.; |
1092 |
vw = min(i,65535); |
1093 |
if (swapbytes) |
1094 |
swap16((char *)&vw, 1); |
1095 |
putbinary(&vw, sizeof(uint16), 1, stdout); |
1096 |
|
1097 |
return(ferror(stdout) ? -1 : 0); |
1098 |
} |
1099 |
|
1100 |
|
1101 |
static void |
1102 |
set_io(void) /* set put and get functions */ |
1103 |
{ |
1104 |
switch (format) { |
1105 |
case 'a': /* ascii */ |
1106 |
if (putprim == BRIGHT) { |
1107 |
getval = getbascii; |
1108 |
putval = putbascii; |
1109 |
} else if (putprim != ALL) { |
1110 |
getval = getbascii; |
1111 |
putval = putpascii; |
1112 |
} else { |
1113 |
getval = getcascii; |
1114 |
putval = putcascii; |
1115 |
if (reverse && !interleave) { |
1116 |
fprintf(stderr, |
1117 |
"%s: ASCII input files must be interleaved\n", |
1118 |
progname); |
1119 |
quit(1); |
1120 |
} |
1121 |
} |
1122 |
return; |
1123 |
case 'f': /* binary float */ |
1124 |
if (putprim == BRIGHT) { |
1125 |
getval = getbfloat; |
1126 |
putval = putbfloat; |
1127 |
} else if (putprim != ALL) { |
1128 |
getval = getbfloat; |
1129 |
putval = putpfloat; |
1130 |
} else { |
1131 |
getval = getcfloat; |
1132 |
putval = putcfloat; |
1133 |
if (reverse && !interleave) { |
1134 |
if (fin2 == NULL) |
1135 |
goto namerr; |
1136 |
if (fseek(fin2, |
1137 |
(long)sizeof(float)*picres.xr*picres.yr, SEEK_CUR)) |
1138 |
goto seekerr; |
1139 |
if (fseek(fin3, |
1140 |
(long)sizeof(float)*2*picres.xr*picres.yr, SEEK_CUR)) |
1141 |
goto seekerr; |
1142 |
} |
1143 |
} |
1144 |
return; |
1145 |
case 'd': /* binary double */ |
1146 |
if (putprim == BRIGHT) { |
1147 |
getval = getbdouble; |
1148 |
putval = putbdouble; |
1149 |
} else if (putprim != ALL) { |
1150 |
getval = getbdouble; |
1151 |
putval = putpdouble; |
1152 |
} else { |
1153 |
getval = getcdouble; |
1154 |
putval = putcdouble; |
1155 |
if (reverse && !interleave) { |
1156 |
if (fin2 == NULL) |
1157 |
goto namerr; |
1158 |
if (fseek(fin2, |
1159 |
(long)sizeof(double)*picres.xr*picres.yr, SEEK_CUR)) |
1160 |
goto seekerr; |
1161 |
if (fseek(fin3, |
1162 |
(long)sizeof(double)*2*picres.xr*picres.yr, SEEK_CUR)) |
1163 |
goto seekerr; |
1164 |
} |
1165 |
} |
1166 |
return; |
1167 |
case 'i': /* integer */ |
1168 |
if (putprim == BRIGHT) { |
1169 |
getval = getbint; |
1170 |
putval = putbint; |
1171 |
} else if (putprim != ALL) { |
1172 |
getval = getbint; |
1173 |
putval = putpint; |
1174 |
} else { |
1175 |
getval = getcint; |
1176 |
putval = putcint; |
1177 |
if (reverse && !interleave) { |
1178 |
fprintf(stderr, |
1179 |
"%s: integer input files must be interleaved\n", |
1180 |
progname); |
1181 |
quit(1); |
1182 |
} |
1183 |
} |
1184 |
return; |
1185 |
case 'b': /* byte */ |
1186 |
if (putprim == BRIGHT) { |
1187 |
getval = getbbyte; |
1188 |
putval = putbbyte; |
1189 |
} else if (putprim != ALL) { |
1190 |
getval = getbbyte; |
1191 |
putval = putpbyte; |
1192 |
} else { |
1193 |
getval = getcbyte; |
1194 |
putval = putcbyte; |
1195 |
if (reverse && !interleave) { |
1196 |
if (fin2 == NULL) |
1197 |
goto namerr; |
1198 |
if (fseek(fin2, |
1199 |
(long)sizeof(uby8)*picres.xr*picres.yr, SEEK_CUR)) |
1200 |
goto seekerr; |
1201 |
if (fseek(fin3, |
1202 |
(long)sizeof(uby8)*2*picres.xr*picres.yr, SEEK_CUR)) |
1203 |
goto seekerr; |
1204 |
} |
1205 |
} |
1206 |
return; |
1207 |
case 'w': /* 16-bit */ |
1208 |
if (putprim == BRIGHT) { |
1209 |
getval = getbword; |
1210 |
putval = putbword; |
1211 |
} else if (putprim != ALL) { |
1212 |
getval = getbword; |
1213 |
putval = putpword; |
1214 |
} else { |
1215 |
getval = getcword; |
1216 |
putval = putcword; |
1217 |
if (reverse && !interleave) { |
1218 |
if (fin2 == NULL) |
1219 |
goto namerr; |
1220 |
if (fseek(fin2, |
1221 |
(long)sizeof(uint16)*picres.xr*picres.yr, SEEK_CUR)) |
1222 |
goto seekerr; |
1223 |
if (fseek(fin3, |
1224 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, SEEK_CUR)) |
1225 |
goto seekerr; |
1226 |
} |
1227 |
} |
1228 |
return; |
1229 |
} |
1230 |
/* badopt: */ /* label not used */ |
1231 |
fprintf(stderr, "%s: botched file type\n", progname); |
1232 |
quit(1); |
1233 |
namerr: |
1234 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
1235 |
progname); |
1236 |
quit(1); |
1237 |
seekerr: |
1238 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
1239 |
progname); |
1240 |
quit(1); |
1241 |
} |