| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: pvalue.c,v 2.20 2003/06/20 00:25:50 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* pvalue.c - program to print pixel values. |
| 6 |
* |
| 7 |
* 4/23/86 |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <time.h> |
| 11 |
|
| 12 |
#include "standard.h" |
| 13 |
#include "platform.h" |
| 14 |
#include "color.h" |
| 15 |
#include "resolu.h" |
| 16 |
|
| 17 |
#define min(a,b) ((a)<(b)?(a):(b)) |
| 18 |
|
| 19 |
/* what to put out (also RED, GRN, BLU) */ |
| 20 |
#define ALL 3 |
| 21 |
#define BRIGHT 4 |
| 22 |
|
| 23 |
RESOLU picres; /* resolution of picture */ |
| 24 |
|
| 25 |
int uniq = 0; /* print only unique values? */ |
| 26 |
|
| 27 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
| 28 |
|
| 29 |
int dataonly = 0; /* data only format? */ |
| 30 |
|
| 31 |
int putprim = ALL; /* what to put out */ |
| 32 |
|
| 33 |
int reverse = 0; /* reverse conversion? */ |
| 34 |
|
| 35 |
int format = 'a'; /* input/output format */ |
| 36 |
char *fmtid = "ascii"; /* format identifier for header */ |
| 37 |
|
| 38 |
int header = 1; /* do header? */ |
| 39 |
|
| 40 |
long skipbytes = 0; /* skip bytes in input? */ |
| 41 |
|
| 42 |
int swapbytes = 0; /* swap bytes in 16-bit words? */ |
| 43 |
|
| 44 |
int interleave = 1; /* file is interleaved? */ |
| 45 |
|
| 46 |
int resolution = 1; /* put/get resolution string? */ |
| 47 |
|
| 48 |
int original = 0; /* convert to original values? */ |
| 49 |
|
| 50 |
int wrongformat = 0; /* wrong input format? */ |
| 51 |
|
| 52 |
double gamcor = 1.0; /* gamma correction */ |
| 53 |
|
| 54 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
| 55 |
int rord[4]; /* reverse ordering */ |
| 56 |
|
| 57 |
COLOR exposure = WHTCOLOR; |
| 58 |
|
| 59 |
char *progname; |
| 60 |
|
| 61 |
FILE *fin; |
| 62 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
| 63 |
|
| 64 |
int (*getval)(), (*putval)(); |
| 65 |
|
| 66 |
double |
| 67 |
rgb_bright(clr) |
| 68 |
COLOR clr; |
| 69 |
{ |
| 70 |
return(bright(clr)); |
| 71 |
} |
| 72 |
|
| 73 |
double |
| 74 |
xyz_bright(clr) |
| 75 |
COLOR clr; |
| 76 |
{ |
| 77 |
return(clr[CIEY]); |
| 78 |
} |
| 79 |
|
| 80 |
double (*mybright)() = &rgb_bright; |
| 81 |
|
| 82 |
|
| 83 |
main(argc, argv) |
| 84 |
int argc; |
| 85 |
char **argv; |
| 86 |
{ |
| 87 |
extern int checkhead(); |
| 88 |
extern long atol(); |
| 89 |
double d, expval = 1.0; |
| 90 |
int i; |
| 91 |
|
| 92 |
progname = argv[0]; |
| 93 |
|
| 94 |
for (i = 1; i < argc; i++) |
| 95 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
| 96 |
switch (argv[i][1]) { |
| 97 |
case 'h': /* header */ |
| 98 |
header = argv[i][0] == '+'; |
| 99 |
break; |
| 100 |
case 'H': /* resolution string */ |
| 101 |
resolution = argv[i][0] == '+'; |
| 102 |
break; |
| 103 |
case 's': /* skip bytes in header */ |
| 104 |
skipbytes = atol(argv[++i]); |
| 105 |
break; |
| 106 |
case 'u': /* unique values */ |
| 107 |
uniq = argv[i][0] == '-'; |
| 108 |
break; |
| 109 |
case 'o': /* original values */ |
| 110 |
original = argv[i][0] == '-'; |
| 111 |
break; |
| 112 |
case 'g': /* gamma correction */ |
| 113 |
gamcor = atof(argv[i+1]); |
| 114 |
if (argv[i][0] == '+') |
| 115 |
gamcor = 1.0/gamcor; |
| 116 |
i++; |
| 117 |
break; |
| 118 |
case 'e': /* exposure correction */ |
| 119 |
d = atof(argv[i+1]); |
| 120 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
| 121 |
d = pow(2.0, d); |
| 122 |
if (argv[i][0] == '-') |
| 123 |
expval *= d; |
| 124 |
scalecolor(exposure, d); |
| 125 |
doexposure++; |
| 126 |
i++; |
| 127 |
break; |
| 128 |
case 'R': /* reverse byte sequence */ |
| 129 |
if (argv[i][0] == '-') { |
| 130 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
| 131 |
} else { |
| 132 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
| 133 |
} |
| 134 |
break; |
| 135 |
case 'r': /* reverse conversion */ |
| 136 |
reverse = argv[i][0] == '-'; |
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break; |
| 138 |
case 'n': /* non-interleaved RGB */ |
| 139 |
interleave = argv[i][0] == '+'; |
| 140 |
break; |
| 141 |
case 'b': /* brightness values */ |
| 142 |
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
| 143 |
break; |
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case 'p': /* put primary */ |
| 145 |
switch (argv[i][2]) { |
| 146 |
case 'r': case 'R': putprim = RED; break; |
| 147 |
case 'g': case 'G': putprim = GRN; break; |
| 148 |
case 'b': case 'B': putprim = BLU; break; |
| 149 |
default: goto unkopt; |
| 150 |
} |
| 151 |
break; |
| 152 |
case 'd': /* data only (no indices) */ |
| 153 |
dataonly = argv[i][0] == '-'; |
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switch (argv[i][2]) { |
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case '\0': |
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case 'a': /* ascii */ |
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format = 'a'; |
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fmtid = "ascii"; |
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break; |
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case 'i': /* integer */ |
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format = 'i'; |
| 162 |
fmtid = "ascii"; |
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break; |
| 164 |
case 'b': /* byte */ |
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dataonly = 1; |
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format = 'b'; |
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fmtid = "byte"; |
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break; |
| 169 |
case 'W': /* 16-bit swapped */ |
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swapbytes = 1; |
| 171 |
case 'w': /* 16-bit */ |
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dataonly = 1; |
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format = 'w'; |
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fmtid = "16-bit"; |
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break; |
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case 'f': /* float */ |
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dataonly = 1; |
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format = 'f'; |
| 179 |
fmtid = "float"; |
| 180 |
break; |
| 181 |
case 'd': /* double */ |
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dataonly = 1; |
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format = 'd'; |
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fmtid = "double"; |
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break; |
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default: |
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goto unkopt; |
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} |
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break; |
| 190 |
case 'x': /* x resolution */ |
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case 'X': /* x resolution */ |
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resolution = 0; |
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if (argv[i][0] == '-') |
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picres.rt |= XDECR; |
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picres.xr = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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case 'Y': /* y resolution */ |
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resolution = 0; |
| 200 |
if (argv[i][0] == '-') |
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picres.rt |= YDECR; |
| 202 |
if (picres.xr == 0) |
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picres.rt |= YMAJOR; |
| 204 |
picres.yr = atoi(argv[++i]); |
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break; |
| 206 |
default: |
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unkopt: |
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fprintf(stderr, "%s: unknown option: %s\n", |
| 209 |
progname, argv[i]); |
| 210 |
quit(1); |
| 211 |
break; |
| 212 |
} |
| 213 |
else |
| 214 |
break; |
| 215 |
/* recognize special formats */ |
| 216 |
if (dataonly && format == 'b') |
| 217 |
if (putprim == ALL) |
| 218 |
fmtid = "24-bit_rgb"; |
| 219 |
else |
| 220 |
fmtid = "8-bit_grey"; |
| 221 |
if (dataonly && format == 'w') |
| 222 |
if (putprim == ALL) |
| 223 |
fmtid = "48-bit_rgb"; |
| 224 |
else |
| 225 |
fmtid = "16-bit_grey"; |
| 226 |
/* assign reverse ordering */ |
| 227 |
rord[ord[0]] = 0; |
| 228 |
rord[ord[1]] = 1; |
| 229 |
rord[ord[2]] = 2; |
| 230 |
/* get input */ |
| 231 |
if (i == argc) { |
| 232 |
fin = stdin; |
| 233 |
} else if (i < argc) { |
| 234 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
| 235 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
| 236 |
progname, argv[i]); |
| 237 |
quit(1); |
| 238 |
} |
| 239 |
if (reverse && putprim != BRIGHT && i == argc-3) { |
| 240 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
| 241 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
| 242 |
progname, argv[i+1]); |
| 243 |
quit(1); |
| 244 |
} |
| 245 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
| 246 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
| 247 |
progname, argv[i+2]); |
| 248 |
quit(1); |
| 249 |
} |
| 250 |
interleave = -1; |
| 251 |
} else if (i != argc-1) |
| 252 |
fin = NULL; |
| 253 |
if (reverse && putprim != BRIGHT && !interleave) { |
| 254 |
fin2 = fopen(argv[i], "r"); |
| 255 |
fin3 = fopen(argv[i], "r"); |
| 256 |
} |
| 257 |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
| 258 |
(fseek(fin2, skipbytes, 0) || |
| 259 |
fseek(fin3, skipbytes, 0))))) { |
| 260 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
| 261 |
progname, skipbytes); |
| 262 |
quit(1); |
| 263 |
} |
| 264 |
} |
| 265 |
if (fin == NULL) { |
| 266 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
| 267 |
quit(1); |
| 268 |
} |
| 269 |
|
| 270 |
if (reverse) { |
| 271 |
#ifdef _WIN32 |
| 272 |
SET_FILE_BINARY(stdout); |
| 273 |
if (format != 'a' && format != 'i') |
| 274 |
SET_FILE_BINARY(fin); |
| 275 |
#endif |
| 276 |
/* get header */ |
| 277 |
if (header) { |
| 278 |
if (checkheader(fin, fmtid, stdout) < 0) { |
| 279 |
fprintf(stderr, "%s: wrong input format\n", |
| 280 |
progname); |
| 281 |
quit(1); |
| 282 |
} |
| 283 |
if (fin2 != NULL) { |
| 284 |
getheader(fin2, NULL, NULL); |
| 285 |
getheader(fin3, NULL, NULL); |
| 286 |
} |
| 287 |
} else |
| 288 |
newheader("RADIANCE", stdout); |
| 289 |
/* get resolution */ |
| 290 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
| 291 |
picres.xr <= 0 || picres.yr <= 0) { |
| 292 |
fprintf(stderr, "%s: missing resolution\n", progname); |
| 293 |
quit(1); |
| 294 |
} |
| 295 |
if (resolution && fin2 != NULL) { |
| 296 |
RESOLU pres2; |
| 297 |
if (!fgetsresolu(&pres2, fin2) || |
| 298 |
pres2.rt != picres.rt || |
| 299 |
pres2.xr != picres.xr || |
| 300 |
pres2.yr != picres.yr || |
| 301 |
!fgetsresolu(&pres2, fin3) || |
| 302 |
pres2.rt != picres.rt || |
| 303 |
pres2.xr != picres.xr || |
| 304 |
pres2.yr != picres.yr) { |
| 305 |
fprintf(stderr, "%s: resolution mismatch\n", |
| 306 |
progname); |
| 307 |
quit(1); |
| 308 |
} |
| 309 |
} |
| 310 |
/* add to header */ |
| 311 |
printargs(i, argv, stdout); |
| 312 |
if (expval < .99 || expval > 1.01) |
| 313 |
fputexpos(expval, stdout); |
| 314 |
fputformat(COLRFMT, stdout); |
| 315 |
putchar('\n'); |
| 316 |
fputsresolu(&picres, stdout); /* always put resolution */ |
| 317 |
valtopix(); |
| 318 |
} else { |
| 319 |
#ifdef _WIN32 |
| 320 |
SET_FILE_BINARY(fin); |
| 321 |
if (format != 'a' && format != 'i') |
| 322 |
SET_FILE_BINARY(stdout); |
| 323 |
#endif |
| 324 |
/* get header */ |
| 325 |
getheader(fin, checkhead, NULL); |
| 326 |
if (wrongformat) { |
| 327 |
fprintf(stderr, |
| 328 |
"%s: input not a Radiance RGBE picture\n", |
| 329 |
progname); |
| 330 |
quit(1); |
| 331 |
} |
| 332 |
if (!fgetsresolu(&picres, fin)) { |
| 333 |
fprintf(stderr, "%s: missing resolution\n", progname); |
| 334 |
quit(1); |
| 335 |
} |
| 336 |
if (header) { |
| 337 |
printargs(i, argv, stdout); |
| 338 |
if (expval < .99 || expval > 1.01) |
| 339 |
fputexpos(expval, stdout); |
| 340 |
fputformat(fmtid, stdout); |
| 341 |
putchar('\n'); |
| 342 |
} |
| 343 |
if (resolution) /* put resolution */ |
| 344 |
fputsresolu(&picres, stdout); |
| 345 |
pixtoval(); |
| 346 |
} |
| 347 |
|
| 348 |
quit(0); |
| 349 |
} |
| 350 |
|
| 351 |
|
| 352 |
int |
| 353 |
checkhead(line) /* deal with line from header */ |
| 354 |
char *line; |
| 355 |
{ |
| 356 |
char fmt[32]; |
| 357 |
double d; |
| 358 |
COLOR ctmp; |
| 359 |
|
| 360 |
if (formatval(fmt, line)) { |
| 361 |
if (!strcmp(fmt, CIEFMT)) { |
| 362 |
mybright = &xyz_bright; |
| 363 |
if (original) { |
| 364 |
scalecolor(exposure, 1./WHTEFFICACY); |
| 365 |
doexposure++; |
| 366 |
} |
| 367 |
} else if (!strcmp(fmt, COLRFMT)) |
| 368 |
mybright = &rgb_bright; |
| 369 |
else |
| 370 |
wrongformat++; |
| 371 |
} else if (original && isexpos(line)) { |
| 372 |
d = 1.0/exposval(line); |
| 373 |
scalecolor(exposure, d); |
| 374 |
doexposure++; |
| 375 |
} else if (original && iscolcor(line)) { |
| 376 |
colcorval(ctmp, line); |
| 377 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
| 378 |
colval(exposure,GRN)/colval(ctmp,GRN), |
| 379 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
| 380 |
doexposure++; |
| 381 |
} else if (header) |
| 382 |
fputs(line, stdout); |
| 383 |
return(0); |
| 384 |
} |
| 385 |
|
| 386 |
|
| 387 |
pixtoval() /* convert picture to values */ |
| 388 |
{ |
| 389 |
register COLOR *scanln; |
| 390 |
int dogamma; |
| 391 |
COLOR lastc; |
| 392 |
RREAL hv[2]; |
| 393 |
int startprim, endprim; |
| 394 |
long startpos; |
| 395 |
int y; |
| 396 |
register int x; |
| 397 |
|
| 398 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
| 399 |
if (scanln == NULL) { |
| 400 |
fprintf(stderr, "%s: out of memory\n", progname); |
| 401 |
quit(1); |
| 402 |
} |
| 403 |
dogamma = gamcor < .95 || gamcor > 1.05; |
| 404 |
if (putprim == ALL && !interleave) { |
| 405 |
startprim = RED; endprim = BLU; |
| 406 |
startpos = ftell(fin); |
| 407 |
} else { |
| 408 |
startprim = putprim; endprim = putprim; |
| 409 |
} |
| 410 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
| 411 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
| 412 |
fprintf(stderr, "%s: seek error on input file\n", |
| 413 |
progname); |
| 414 |
quit(1); |
| 415 |
} |
| 416 |
set_io(); |
| 417 |
setcolor(lastc, 0.0, 0.0, 0.0); |
| 418 |
for (y = 0; y < numscans(&picres); y++) { |
| 419 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
| 420 |
fprintf(stderr, "%s: read error\n", progname); |
| 421 |
quit(1); |
| 422 |
} |
| 423 |
for (x = 0; x < scanlen(&picres); x++) { |
| 424 |
if (uniq) |
| 425 |
if ( colval(scanln[x],RED) == |
| 426 |
colval(lastc,RED) && |
| 427 |
colval(scanln[x],GRN) == |
| 428 |
colval(lastc,GRN) && |
| 429 |
colval(scanln[x],BLU) == |
| 430 |
colval(lastc,BLU) ) |
| 431 |
continue; |
| 432 |
else |
| 433 |
copycolor(lastc, scanln[x]); |
| 434 |
if (doexposure) |
| 435 |
multcolor(scanln[x], exposure); |
| 436 |
if (dogamma) |
| 437 |
setcolor(scanln[x], |
| 438 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
| 439 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
| 440 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
| 441 |
if (!dataonly) { |
| 442 |
pix2loc(hv, &picres, x, y); |
| 443 |
printf("%7d %7d ", |
| 444 |
(int)(hv[0]*picres.xr), |
| 445 |
(int)(hv[1]*picres.yr)); |
| 446 |
} |
| 447 |
if ((*putval)(scanln[x]) < 0) { |
| 448 |
fprintf(stderr, "%s: write error\n", |
| 449 |
progname); |
| 450 |
quit(1); |
| 451 |
} |
| 452 |
} |
| 453 |
} |
| 454 |
} |
| 455 |
free((void *)scanln); |
| 456 |
} |
| 457 |
|
| 458 |
|
| 459 |
valtopix() /* convert values to a pixel file */ |
| 460 |
{ |
| 461 |
int dogamma; |
| 462 |
register COLOR *scanln; |
| 463 |
int y; |
| 464 |
register int x; |
| 465 |
|
| 466 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
| 467 |
if (scanln == NULL) { |
| 468 |
fprintf(stderr, "%s: out of memory\n", progname); |
| 469 |
quit(1); |
| 470 |
} |
| 471 |
dogamma = gamcor < .95 || gamcor > 1.05; |
| 472 |
set_io(); |
| 473 |
for (y = 0; y < numscans(&picres); y++) { |
| 474 |
for (x = 0; x < scanlen(&picres); x++) { |
| 475 |
if (!dataonly) { |
| 476 |
fscanf(fin, "%*d %*d"); |
| 477 |
if (fin2 != NULL) { |
| 478 |
fscanf(fin2, "%*d %*d"); |
| 479 |
fscanf(fin3, "%*d %*d"); |
| 480 |
} |
| 481 |
} |
| 482 |
if ((*getval)(scanln[x]) < 0) { |
| 483 |
fprintf(stderr, "%s: read error\n", progname); |
| 484 |
quit(1); |
| 485 |
} |
| 486 |
if (dogamma) |
| 487 |
setcolor(scanln[x], |
| 488 |
pow(colval(scanln[x],RED), gamcor), |
| 489 |
pow(colval(scanln[x],GRN), gamcor), |
| 490 |
pow(colval(scanln[x],BLU), gamcor)); |
| 491 |
if (doexposure) |
| 492 |
multcolor(scanln[x], exposure); |
| 493 |
} |
| 494 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
| 495 |
fprintf(stderr, "%s: write error\n", progname); |
| 496 |
quit(1); |
| 497 |
} |
| 498 |
} |
| 499 |
free((void *)scanln); |
| 500 |
} |
| 501 |
|
| 502 |
|
| 503 |
void |
| 504 |
quit(code) |
| 505 |
int code; |
| 506 |
{ |
| 507 |
exit(code); |
| 508 |
} |
| 509 |
|
| 510 |
|
| 511 |
swap16(wp, n) /* swap n 16-bit words */ |
| 512 |
register uint16 *wp; |
| 513 |
int n; |
| 514 |
{ |
| 515 |
while (n-- > 0) { |
| 516 |
*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
| 517 |
wp++; |
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
getcascii(col) /* get an ascii color value from stream(s) */ |
| 522 |
COLOR col; |
| 523 |
{ |
| 524 |
double vd[3]; |
| 525 |
|
| 526 |
if (fin2 == NULL) { |
| 527 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
| 528 |
return(-1); |
| 529 |
} else { |
| 530 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
| 531 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
| 532 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
| 533 |
return(-1); |
| 534 |
} |
| 535 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
| 536 |
return(0); |
| 537 |
} |
| 538 |
|
| 539 |
|
| 540 |
getcdouble(col) /* get a double color value from stream(s) */ |
| 541 |
COLOR col; |
| 542 |
{ |
| 543 |
double vd[3]; |
| 544 |
|
| 545 |
if (fin2 == NULL) { |
| 546 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
| 547 |
return(-1); |
| 548 |
} else { |
| 549 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
| 550 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
| 551 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
| 552 |
return(-1); |
| 553 |
} |
| 554 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
| 555 |
return(0); |
| 556 |
} |
| 557 |
|
| 558 |
|
| 559 |
getcfloat(col) /* get a float color value from stream(s) */ |
| 560 |
COLOR col; |
| 561 |
{ |
| 562 |
float vf[3]; |
| 563 |
|
| 564 |
if (fin2 == NULL) { |
| 565 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
| 566 |
return(-1); |
| 567 |
} else { |
| 568 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
| 569 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
| 570 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
| 571 |
return(-1); |
| 572 |
} |
| 573 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
| 574 |
return(0); |
| 575 |
} |
| 576 |
|
| 577 |
|
| 578 |
getcint(col) /* get an int color value from stream(s) */ |
| 579 |
COLOR col; |
| 580 |
{ |
| 581 |
int vi[3]; |
| 582 |
|
| 583 |
if (fin2 == NULL) { |
| 584 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
| 585 |
return(-1); |
| 586 |
} else { |
| 587 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
| 588 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
| 589 |
fscanf(fin3, "%d", &vi[2]) != 1) |
| 590 |
return(-1); |
| 591 |
} |
| 592 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
| 593 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
| 594 |
return(0); |
| 595 |
} |
| 596 |
|
| 597 |
|
| 598 |
getcbyte(col) /* get a byte color value from stream(s) */ |
| 599 |
COLOR col; |
| 600 |
{ |
| 601 |
BYTE vb[3]; |
| 602 |
|
| 603 |
if (fin2 == NULL) { |
| 604 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
| 605 |
return(-1); |
| 606 |
} else { |
| 607 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
| 608 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
| 609 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
| 610 |
return(-1); |
| 611 |
} |
| 612 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
| 613 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
| 614 |
return(0); |
| 615 |
} |
| 616 |
|
| 617 |
|
| 618 |
getcword(col) /* get a 16-bit color value from stream(s) */ |
| 619 |
COLOR col; |
| 620 |
{ |
| 621 |
uint16 vw[3]; |
| 622 |
|
| 623 |
if (fin2 == NULL) { |
| 624 |
if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
| 625 |
return(-1); |
| 626 |
} else { |
| 627 |
if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
| 628 |
fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
| 629 |
fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
| 630 |
return(-1); |
| 631 |
} |
| 632 |
if (swapbytes) |
| 633 |
swap16(vw, 3); |
| 634 |
setcolor(col, (vw[rord[RED]]+.5)/65536., |
| 635 |
(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
| 636 |
return(0); |
| 637 |
} |
| 638 |
|
| 639 |
|
| 640 |
getbascii(col) /* get an ascii brightness value from fin */ |
| 641 |
COLOR col; |
| 642 |
{ |
| 643 |
double vd; |
| 644 |
|
| 645 |
if (fscanf(fin, "%lf", &vd) != 1) |
| 646 |
return(-1); |
| 647 |
setcolor(col, vd, vd, vd); |
| 648 |
return(0); |
| 649 |
} |
| 650 |
|
| 651 |
|
| 652 |
getbdouble(col) /* get a double brightness value from fin */ |
| 653 |
COLOR col; |
| 654 |
{ |
| 655 |
double vd; |
| 656 |
|
| 657 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
| 658 |
return(-1); |
| 659 |
setcolor(col, vd, vd, vd); |
| 660 |
return(0); |
| 661 |
} |
| 662 |
|
| 663 |
|
| 664 |
getbfloat(col) /* get a float brightness value from fin */ |
| 665 |
COLOR col; |
| 666 |
{ |
| 667 |
float vf; |
| 668 |
|
| 669 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
| 670 |
return(-1); |
| 671 |
setcolor(col, vf, vf, vf); |
| 672 |
return(0); |
| 673 |
} |
| 674 |
|
| 675 |
|
| 676 |
getbint(col) /* get an int brightness value from fin */ |
| 677 |
COLOR col; |
| 678 |
{ |
| 679 |
int vi; |
| 680 |
double d; |
| 681 |
|
| 682 |
if (fscanf(fin, "%d", &vi) != 1) |
| 683 |
return(-1); |
| 684 |
d = (vi+.5)/256.; |
| 685 |
setcolor(col, d, d, d); |
| 686 |
return(0); |
| 687 |
} |
| 688 |
|
| 689 |
|
| 690 |
getbbyte(col) /* get a byte brightness value from fin */ |
| 691 |
COLOR col; |
| 692 |
{ |
| 693 |
BYTE vb; |
| 694 |
double d; |
| 695 |
|
| 696 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
| 697 |
return(-1); |
| 698 |
d = (vb+.5)/256.; |
| 699 |
setcolor(col, d, d, d); |
| 700 |
return(0); |
| 701 |
} |
| 702 |
|
| 703 |
|
| 704 |
getbword(col) /* get a 16-bit brightness value from fin */ |
| 705 |
COLOR col; |
| 706 |
{ |
| 707 |
uint16 vw; |
| 708 |
double d; |
| 709 |
|
| 710 |
if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
| 711 |
return(-1); |
| 712 |
if (swapbytes) |
| 713 |
swap16(&vw, 1); |
| 714 |
d = (vw+.5)/65536.; |
| 715 |
setcolor(col, d, d, d); |
| 716 |
return(0); |
| 717 |
} |
| 718 |
|
| 719 |
|
| 720 |
putcascii(col) /* put an ascii color to stdout */ |
| 721 |
COLOR col; |
| 722 |
{ |
| 723 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
| 724 |
colval(col,ord[0]), |
| 725 |
colval(col,ord[1]), |
| 726 |
colval(col,ord[2])); |
| 727 |
|
| 728 |
return(ferror(stdout) ? -1 : 0); |
| 729 |
} |
| 730 |
|
| 731 |
|
| 732 |
putcfloat(col) /* put a float color to stdout */ |
| 733 |
COLOR col; |
| 734 |
{ |
| 735 |
float vf[3]; |
| 736 |
|
| 737 |
vf[0] = colval(col,ord[0]); |
| 738 |
vf[1] = colval(col,ord[1]); |
| 739 |
vf[2] = colval(col,ord[2]); |
| 740 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
| 741 |
|
| 742 |
return(ferror(stdout) ? -1 : 0); |
| 743 |
} |
| 744 |
|
| 745 |
|
| 746 |
putcdouble(col) /* put a double color to stdout */ |
| 747 |
COLOR col; |
| 748 |
{ |
| 749 |
double vd[3]; |
| 750 |
|
| 751 |
vd[0] = colval(col,ord[0]); |
| 752 |
vd[1] = colval(col,ord[1]); |
| 753 |
vd[2] = colval(col,ord[2]); |
| 754 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
| 755 |
|
| 756 |
return(ferror(stdout) ? -1 : 0); |
| 757 |
} |
| 758 |
|
| 759 |
|
| 760 |
putcint(col) /* put an int color to stdout */ |
| 761 |
COLOR col; |
| 762 |
{ |
| 763 |
fprintf(stdout, "%d %d %d\n", |
| 764 |
(int)(colval(col,ord[0])*256.), |
| 765 |
(int)(colval(col,ord[1])*256.), |
| 766 |
(int)(colval(col,ord[2])*256.)); |
| 767 |
|
| 768 |
return(ferror(stdout) ? -1 : 0); |
| 769 |
} |
| 770 |
|
| 771 |
|
| 772 |
putcbyte(col) /* put a byte color to stdout */ |
| 773 |
COLOR col; |
| 774 |
{ |
| 775 |
long i; |
| 776 |
BYTE vb[3]; |
| 777 |
|
| 778 |
i = colval(col,ord[0])*256.; |
| 779 |
vb[0] = min(i,255); |
| 780 |
i = colval(col,ord[1])*256.; |
| 781 |
vb[1] = min(i,255); |
| 782 |
i = colval(col,ord[2])*256.; |
| 783 |
vb[2] = min(i,255); |
| 784 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
| 785 |
|
| 786 |
return(ferror(stdout) ? -1 : 0); |
| 787 |
} |
| 788 |
|
| 789 |
|
| 790 |
putcword(col) /* put a 16-bit color to stdout */ |
| 791 |
COLOR col; |
| 792 |
{ |
| 793 |
long i; |
| 794 |
uint16 vw[3]; |
| 795 |
|
| 796 |
i = colval(col,ord[0])*65536.; |
| 797 |
vw[0] = min(i,65535); |
| 798 |
i = colval(col,ord[1])*65536.; |
| 799 |
vw[1] = min(i,65535); |
| 800 |
i = colval(col,ord[2])*65536.; |
| 801 |
vw[2] = min(i,65535); |
| 802 |
if (swapbytes) |
| 803 |
swap16(vw, 3); |
| 804 |
fwrite((char *)vw, sizeof(uint16), 3, stdout); |
| 805 |
|
| 806 |
return(ferror(stdout) ? -1 : 0); |
| 807 |
} |
| 808 |
|
| 809 |
|
| 810 |
putbascii(col) /* put an ascii brightness to stdout */ |
| 811 |
COLOR col; |
| 812 |
{ |
| 813 |
fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
| 814 |
|
| 815 |
return(ferror(stdout) ? -1 : 0); |
| 816 |
} |
| 817 |
|
| 818 |
|
| 819 |
putbfloat(col) /* put a float brightness to stdout */ |
| 820 |
COLOR col; |
| 821 |
{ |
| 822 |
float vf; |
| 823 |
|
| 824 |
vf = (*mybright)(col); |
| 825 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
| 826 |
|
| 827 |
return(ferror(stdout) ? -1 : 0); |
| 828 |
} |
| 829 |
|
| 830 |
|
| 831 |
putbdouble(col) /* put a double brightness to stdout */ |
| 832 |
COLOR col; |
| 833 |
{ |
| 834 |
double vd; |
| 835 |
|
| 836 |
vd = (*mybright)(col); |
| 837 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
| 838 |
|
| 839 |
return(ferror(stdout) ? -1 : 0); |
| 840 |
} |
| 841 |
|
| 842 |
|
| 843 |
putbint(col) /* put an int brightness to stdout */ |
| 844 |
COLOR col; |
| 845 |
{ |
| 846 |
fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
| 847 |
|
| 848 |
return(ferror(stdout) ? -1 : 0); |
| 849 |
} |
| 850 |
|
| 851 |
|
| 852 |
putbbyte(col) /* put a byte brightness to stdout */ |
| 853 |
COLOR col; |
| 854 |
{ |
| 855 |
register int i; |
| 856 |
BYTE vb; |
| 857 |
|
| 858 |
i = (*mybright)(col)*256.; |
| 859 |
vb = min(i,255); |
| 860 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
| 861 |
|
| 862 |
return(ferror(stdout) ? -1 : 0); |
| 863 |
} |
| 864 |
|
| 865 |
|
| 866 |
putbword(col) /* put a 16-bit brightness to stdout */ |
| 867 |
COLOR col; |
| 868 |
{ |
| 869 |
long i; |
| 870 |
uint16 vw; |
| 871 |
|
| 872 |
i = (*mybright)(col)*65536.; |
| 873 |
vw = min(i,65535); |
| 874 |
if (swapbytes) |
| 875 |
swap16(&vw, 1); |
| 876 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
| 877 |
|
| 878 |
return(ferror(stdout) ? -1 : 0); |
| 879 |
} |
| 880 |
|
| 881 |
|
| 882 |
putpascii(col) /* put an ascii primary to stdout */ |
| 883 |
COLOR col; |
| 884 |
{ |
| 885 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
| 886 |
|
| 887 |
return(ferror(stdout) ? -1 : 0); |
| 888 |
} |
| 889 |
|
| 890 |
|
| 891 |
putpfloat(col) /* put a float primary to stdout */ |
| 892 |
COLOR col; |
| 893 |
{ |
| 894 |
float vf; |
| 895 |
|
| 896 |
vf = colval(col,putprim); |
| 897 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
| 898 |
|
| 899 |
return(ferror(stdout) ? -1 : 0); |
| 900 |
} |
| 901 |
|
| 902 |
|
| 903 |
putpdouble(col) /* put a double primary to stdout */ |
| 904 |
COLOR col; |
| 905 |
{ |
| 906 |
double vd; |
| 907 |
|
| 908 |
vd = colval(col,putprim); |
| 909 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
| 910 |
|
| 911 |
return(ferror(stdout) ? -1 : 0); |
| 912 |
} |
| 913 |
|
| 914 |
|
| 915 |
putpint(col) /* put an int primary to stdout */ |
| 916 |
COLOR col; |
| 917 |
{ |
| 918 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
| 919 |
|
| 920 |
return(ferror(stdout) ? -1 : 0); |
| 921 |
} |
| 922 |
|
| 923 |
|
| 924 |
putpbyte(col) /* put a byte primary to stdout */ |
| 925 |
COLOR col; |
| 926 |
{ |
| 927 |
long i; |
| 928 |
BYTE vb; |
| 929 |
|
| 930 |
i = colval(col,putprim)*256.; |
| 931 |
vb = min(i,255); |
| 932 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
| 933 |
|
| 934 |
return(ferror(stdout) ? -1 : 0); |
| 935 |
} |
| 936 |
|
| 937 |
|
| 938 |
putpword(col) /* put a 16-bit primary to stdout */ |
| 939 |
COLOR col; |
| 940 |
{ |
| 941 |
long i; |
| 942 |
uint16 vw; |
| 943 |
|
| 944 |
i = colval(col,putprim)*65536.; |
| 945 |
vw = min(i,65535); |
| 946 |
if (swapbytes) |
| 947 |
swap16(&vw, 1); |
| 948 |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
| 949 |
|
| 950 |
return(ferror(stdout) ? -1 : 0); |
| 951 |
} |
| 952 |
|
| 953 |
|
| 954 |
set_io() /* set put and get functions */ |
| 955 |
{ |
| 956 |
switch (format) { |
| 957 |
case 'a': /* ascii */ |
| 958 |
if (putprim == BRIGHT) { |
| 959 |
getval = getbascii; |
| 960 |
putval = putbascii; |
| 961 |
} else if (putprim != ALL) { |
| 962 |
getval = getbascii; |
| 963 |
putval = putpascii; |
| 964 |
} else { |
| 965 |
getval = getcascii; |
| 966 |
putval = putcascii; |
| 967 |
if (reverse && !interleave) { |
| 968 |
fprintf(stderr, |
| 969 |
"%s: ASCII input files must be interleaved\n", |
| 970 |
progname); |
| 971 |
quit(1); |
| 972 |
} |
| 973 |
} |
| 974 |
return; |
| 975 |
case 'f': /* binary float */ |
| 976 |
if (putprim == BRIGHT) { |
| 977 |
getval = getbfloat; |
| 978 |
putval = putbfloat; |
| 979 |
} else if (putprim != ALL) { |
| 980 |
getval = getbfloat; |
| 981 |
putval = putpfloat; |
| 982 |
} else { |
| 983 |
getval = getcfloat; |
| 984 |
putval = putcfloat; |
| 985 |
if (reverse && !interleave) { |
| 986 |
if (fin2 == NULL) |
| 987 |
goto namerr; |
| 988 |
if (fseek(fin2, |
| 989 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
| 990 |
goto seekerr; |
| 991 |
if (fseek(fin3, |
| 992 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
| 993 |
goto seekerr; |
| 994 |
} |
| 995 |
} |
| 996 |
return; |
| 997 |
case 'd': /* binary double */ |
| 998 |
if (putprim == BRIGHT) { |
| 999 |
getval = getbdouble; |
| 1000 |
putval = putbdouble; |
| 1001 |
} else if (putprim != ALL) { |
| 1002 |
getval = getbdouble; |
| 1003 |
putval = putpdouble; |
| 1004 |
} else { |
| 1005 |
getval = getcdouble; |
| 1006 |
putval = putcdouble; |
| 1007 |
if (reverse && !interleave) { |
| 1008 |
if (fin2 == NULL) |
| 1009 |
goto namerr; |
| 1010 |
if (fseek(fin2, |
| 1011 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
| 1012 |
goto seekerr; |
| 1013 |
if (fseek(fin3, |
| 1014 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
| 1015 |
goto seekerr; |
| 1016 |
} |
| 1017 |
} |
| 1018 |
return; |
| 1019 |
case 'i': /* integer */ |
| 1020 |
if (putprim == BRIGHT) { |
| 1021 |
getval = getbint; |
| 1022 |
putval = putbint; |
| 1023 |
} else if (putprim != ALL) { |
| 1024 |
getval = getbint; |
| 1025 |
putval = putpint; |
| 1026 |
} else { |
| 1027 |
getval = getcint; |
| 1028 |
putval = putcint; |
| 1029 |
if (reverse && !interleave) { |
| 1030 |
fprintf(stderr, |
| 1031 |
"%s: integer input files must be interleaved\n", |
| 1032 |
progname); |
| 1033 |
quit(1); |
| 1034 |
} |
| 1035 |
} |
| 1036 |
return; |
| 1037 |
case 'b': /* byte */ |
| 1038 |
if (putprim == BRIGHT) { |
| 1039 |
getval = getbbyte; |
| 1040 |
putval = putbbyte; |
| 1041 |
} else if (putprim != ALL) { |
| 1042 |
getval = getbbyte; |
| 1043 |
putval = putpbyte; |
| 1044 |
} else { |
| 1045 |
getval = getcbyte; |
| 1046 |
putval = putcbyte; |
| 1047 |
if (reverse && !interleave) { |
| 1048 |
if (fin2 == NULL) |
| 1049 |
goto namerr; |
| 1050 |
if (fseek(fin2, |
| 1051 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
| 1052 |
goto seekerr; |
| 1053 |
if (fseek(fin3, |
| 1054 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
| 1055 |
goto seekerr; |
| 1056 |
} |
| 1057 |
} |
| 1058 |
return; |
| 1059 |
case 'w': /* 16-bit */ |
| 1060 |
if (putprim == BRIGHT) { |
| 1061 |
getval = getbword; |
| 1062 |
putval = putbword; |
| 1063 |
} else if (putprim != ALL) { |
| 1064 |
getval = getbword; |
| 1065 |
putval = putpword; |
| 1066 |
} else { |
| 1067 |
getval = getcword; |
| 1068 |
putval = putcword; |
| 1069 |
if (reverse && !interleave) { |
| 1070 |
if (fin2 == NULL) |
| 1071 |
goto namerr; |
| 1072 |
if (fseek(fin2, |
| 1073 |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
| 1074 |
goto seekerr; |
| 1075 |
if (fseek(fin3, |
| 1076 |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
| 1077 |
goto seekerr; |
| 1078 |
} |
| 1079 |
} |
| 1080 |
return; |
| 1081 |
} |
| 1082 |
badopt: |
| 1083 |
fprintf(stderr, "%s: botched file type\n", progname); |
| 1084 |
quit(1); |
| 1085 |
namerr: |
| 1086 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
| 1087 |
progname); |
| 1088 |
quit(1); |
| 1089 |
seekerr: |
| 1090 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
| 1091 |
progname); |
| 1092 |
quit(1); |
| 1093 |
} |
