1 |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
|
3 |
#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
5 |
#endif |
6 |
|
7 |
/* |
8 |
* pvalue.c - program to print pixel values. |
9 |
* |
10 |
* 4/23/86 |
11 |
*/ |
12 |
|
13 |
#include "standard.h" |
14 |
|
15 |
#include "color.h" |
16 |
|
17 |
#include "resolu.h" |
18 |
|
19 |
#define min(a,b) ((a)<(b)?(a):(b)) |
20 |
|
21 |
/* what to put out (also RED, GRN, BLU) */ |
22 |
#define ALL 3 |
23 |
#define BRIGHT 4 |
24 |
|
25 |
#define brightonly (putprim==BRIGHT) |
26 |
|
27 |
RESOLU picres; /* resolution of picture */ |
28 |
|
29 |
int uniq = 0; /* print only unique values? */ |
30 |
|
31 |
int doexposure = 0; /* exposure change? (>100 to print) */ |
32 |
|
33 |
int dataonly = 0; /* data only format? */ |
34 |
|
35 |
int putprim = ALL; /* what to put out */ |
36 |
|
37 |
int reverse = 0; /* reverse conversion? */ |
38 |
|
39 |
int format = 'a'; /* input/output format */ |
40 |
char *fmtid = "ascii"; /* format identifier for header */ |
41 |
|
42 |
int header = 1; /* do header? */ |
43 |
|
44 |
long skipbytes = 0; /* skip bytes in input? */ |
45 |
|
46 |
int interleave = 1; /* file is interleaved? */ |
47 |
|
48 |
int resolution = 1; /* put/get resolution string? */ |
49 |
|
50 |
int original = 0; /* convert to original values? */ |
51 |
|
52 |
int wrongformat = 0; /* wrong input format? */ |
53 |
|
54 |
double gamcor = 1.0; /* gamma correction */ |
55 |
|
56 |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
57 |
int rord[4]; /* reverse ordering */ |
58 |
|
59 |
COLOR exposure = WHTCOLOR; |
60 |
|
61 |
char *progname; |
62 |
|
63 |
FILE *fin; |
64 |
FILE *fin2 = NULL, *fin3 = NULL; /* for other color channels */ |
65 |
|
66 |
int (*getval)(), (*putval)(); |
67 |
|
68 |
|
69 |
main(argc, argv) |
70 |
int argc; |
71 |
char **argv; |
72 |
{ |
73 |
extern int checkhead(); |
74 |
extern long atol(); |
75 |
double d, expval = 1.0; |
76 |
int i; |
77 |
|
78 |
progname = argv[0]; |
79 |
|
80 |
for (i = 1; i < argc; i++) |
81 |
if (argv[i][0] == '-' || argv[i][0] == '+') |
82 |
switch (argv[i][1]) { |
83 |
case 'h': /* header */ |
84 |
header = argv[i][0] == '+'; |
85 |
break; |
86 |
case 'H': /* resolution string */ |
87 |
resolution = argv[i][0] == '+'; |
88 |
break; |
89 |
case 's': /* skip bytes in header */ |
90 |
skipbytes = atol(argv[++i]); |
91 |
break; |
92 |
case 'u': /* unique values */ |
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uniq = argv[i][0] == '-'; |
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break; |
95 |
case 'o': /* original values */ |
96 |
original = argv[i][0] == '-'; |
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break; |
98 |
case 'g': /* gamma correction */ |
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gamcor = atof(argv[i+1]); |
100 |
if (argv[i][0] == '+') |
101 |
gamcor = 1.0/gamcor; |
102 |
i++; |
103 |
break; |
104 |
case 'e': /* exposure correction */ |
105 |
d = atof(argv[i+1]); |
106 |
if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
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d = pow(2.0, d); |
108 |
if (argv[i][0] == '-') |
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expval *= d; |
110 |
scalecolor(exposure, d); |
111 |
doexposure++; |
112 |
i++; |
113 |
break; |
114 |
case 'R': /* reverse byte sequence */ |
115 |
if (argv[i][0] == '-') { |
116 |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
117 |
} else { |
118 |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
119 |
} |
120 |
break; |
121 |
case 'r': /* reverse conversion */ |
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reverse = argv[i][0] == '-'; |
123 |
break; |
124 |
case 'n': /* non-interleaved RGB */ |
125 |
interleave = argv[i][0] == '+'; |
126 |
break; |
127 |
case 'b': /* brightness values */ |
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putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
129 |
break; |
130 |
case 'p': /* put primary */ |
131 |
switch (argv[i][2]) { |
132 |
case 'r': case 'R': putprim = RED; break; |
133 |
case 'g': case 'G': putprim = GRN; break; |
134 |
case 'b': case 'B': putprim = BLU; break; |
135 |
default: goto unkopt; |
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} |
137 |
break; |
138 |
case 'd': /* data only (no indices) */ |
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dataonly = argv[i][0] == '-'; |
140 |
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"; |
145 |
break; |
146 |
case 'i': /* integer */ |
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format = 'i'; |
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fmtid = "ascii"; |
149 |
break; |
150 |
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; |
155 |
case 'f': /* float */ |
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dataonly = 1; |
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format = 'f'; |
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fmtid = "float"; |
159 |
break; |
160 |
case 'd': /* double */ |
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dataonly = 1; |
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format = 'd'; |
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fmtid = "double"; |
164 |
break; |
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default: |
166 |
goto unkopt; |
167 |
} |
168 |
break; |
169 |
case 'x': /* x resolution */ |
170 |
case 'X': /* x resolution */ |
171 |
resolution = 0; |
172 |
if (argv[i][0] == '-') |
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picres.or |= XDECR; |
174 |
picres.xr = atoi(argv[++i]); |
175 |
break; |
176 |
case 'y': /* y resolution */ |
177 |
case 'Y': /* y resolution */ |
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resolution = 0; |
179 |
if (argv[i][0] == '-') |
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picres.or |= YDECR; |
181 |
if (picres.xr == 0) |
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picres.or |= YMAJOR; |
183 |
picres.yr = atoi(argv[++i]); |
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break; |
185 |
default: |
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unkopt: |
187 |
fprintf(stderr, "%s: unknown option: %s\n", |
188 |
progname, argv[i]); |
189 |
quit(1); |
190 |
break; |
191 |
} |
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else |
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break; |
194 |
/* recognize special formats */ |
195 |
if (dataonly && format == 'b') |
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if (brightonly) |
197 |
fmtid = "8-bit_grey"; |
198 |
else |
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fmtid = "24-bit_rgb"; |
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/* assign reverse ordering */ |
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rord[ord[0]] = 0; |
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rord[ord[1]] = 1; |
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rord[ord[2]] = 2; |
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/* get input */ |
205 |
if (i == argc) { |
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fin = stdin; |
207 |
} else if (i < argc) { |
208 |
if ((fin = fopen(argv[i], "r")) == NULL) { |
209 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
210 |
progname, argv[i]); |
211 |
quit(1); |
212 |
} |
213 |
if (reverse && !brightonly && i == argc-3) { |
214 |
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
215 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
216 |
progname, argv[i+1]); |
217 |
quit(1); |
218 |
} |
219 |
if ((fin3 = fopen(argv[i+2], "r")) == NULL) { |
220 |
fprintf(stderr, "%s: can't open file \"%s\"\n", |
221 |
progname, argv[i+2]); |
222 |
quit(1); |
223 |
} |
224 |
interleave = -1; |
225 |
} else if (i != argc-1) |
226 |
fin = NULL; |
227 |
if (reverse && !brightonly && !interleave) { |
228 |
fin2 = fopen(argv[i], "r"); |
229 |
fin3 = fopen(argv[i], "r"); |
230 |
} |
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if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
232 |
(fseek(fin2, skipbytes, 0) || |
233 |
fseek(fin3, skipbytes, 0))))) { |
234 |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
235 |
progname, skipbytes); |
236 |
quit(1); |
237 |
} |
238 |
} |
239 |
if (fin == NULL) { |
240 |
fprintf(stderr, "%s: bad # file arguments\n", progname); |
241 |
quit(1); |
242 |
} |
243 |
|
244 |
if (reverse) { |
245 |
#ifdef MSDOS |
246 |
setmode(fileno(stdout), O_BINARY); |
247 |
if (format != 'a' && format != 'i') |
248 |
setmode(fileno(fin), O_BINARY); |
249 |
#endif |
250 |
/* get header */ |
251 |
if (header) { |
252 |
if (checkheader(fin, fmtid, stdout) < 0) { |
253 |
fprintf(stderr, "%s: wrong input format\n", |
254 |
progname); |
255 |
quit(1); |
256 |
} |
257 |
if (fin2 != NULL) { |
258 |
getheader(fin2, NULL, NULL); |
259 |
getheader(fin3, NULL, NULL); |
260 |
} |
261 |
} else |
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newheader("RADIANCE", stdout); |
263 |
/* get resolution */ |
264 |
if ((resolution && !fgetsresolu(&picres, fin)) || |
265 |
picres.xr <= 0 || picres.yr <= 0) { |
266 |
fprintf(stderr, "%s: missing resolution\n", progname); |
267 |
quit(1); |
268 |
} |
269 |
if (resolution && fin2 != NULL) { |
270 |
RESOLU pres2; |
271 |
if (!fgetsresolu(&pres2, fin2) || |
272 |
pres2.or != picres.or || |
273 |
pres2.xr != picres.xr || |
274 |
pres2.yr != picres.yr || |
275 |
!fgetsresolu(&pres2, fin3) || |
276 |
pres2.or != picres.or || |
277 |
pres2.xr != picres.xr || |
278 |
pres2.yr != picres.yr) { |
279 |
fprintf(stderr, "%s: resolution mismatch\n", |
280 |
progname); |
281 |
quit(1); |
282 |
} |
283 |
} |
284 |
/* add to header */ |
285 |
printargs(i, argv, stdout); |
286 |
if (expval < .99 || expval > 1.01) |
287 |
fputexpos(expval, stdout); |
288 |
fputformat(COLRFMT, stdout); |
289 |
putchar('\n'); |
290 |
fputsresolu(&picres, stdout); /* always put resolution */ |
291 |
valtopix(); |
292 |
} else { |
293 |
#ifdef MSDOS |
294 |
setmode(fileno(fin), O_BINARY); |
295 |
if (format != 'a' && format != 'i') |
296 |
setmode(fileno(stdout), O_BINARY); |
297 |
#endif |
298 |
/* get header */ |
299 |
getheader(fin, checkhead, NULL); |
300 |
if (wrongformat) { |
301 |
fprintf(stderr, "%s: input not a Radiance picture\n", |
302 |
progname); |
303 |
quit(1); |
304 |
} |
305 |
if (!fgetsresolu(&picres, fin)) { |
306 |
fprintf(stderr, "%s: missing resolution\n", progname); |
307 |
quit(1); |
308 |
} |
309 |
if (header) { |
310 |
printargs(i, argv, stdout); |
311 |
if (expval < .99 || expval > 1.01) |
312 |
fputexpos(expval, stdout); |
313 |
fputformat(fmtid, stdout); |
314 |
putchar('\n'); |
315 |
} |
316 |
if (resolution) /* put resolution */ |
317 |
fputsresolu(&picres, stdout); |
318 |
pixtoval(); |
319 |
} |
320 |
|
321 |
quit(0); |
322 |
} |
323 |
|
324 |
|
325 |
checkhead(line) /* deal with line from header */ |
326 |
char *line; |
327 |
{ |
328 |
char fmt[32]; |
329 |
double d; |
330 |
COLOR ctmp; |
331 |
|
332 |
if (formatval(fmt, line)) |
333 |
wrongformat = strcmp(fmt, COLRFMT); |
334 |
else if (original && isexpos(line)) { |
335 |
d = 1.0/exposval(line); |
336 |
scalecolor(exposure, d); |
337 |
doexposure++; |
338 |
} else if (original && iscolcor(line)) { |
339 |
colcorval(ctmp, line); |
340 |
setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
341 |
colval(exposure,GRN)/colval(ctmp,GRN), |
342 |
colval(exposure,BLU)/colval(ctmp,BLU)); |
343 |
doexposure++; |
344 |
} else if (header) |
345 |
fputs(line, stdout); |
346 |
} |
347 |
|
348 |
|
349 |
pixtoval() /* convert picture to values */ |
350 |
{ |
351 |
register COLOR *scanln; |
352 |
int dogamma; |
353 |
COLOR lastc; |
354 |
FLOAT hv[2]; |
355 |
int startprim, endprim; |
356 |
long startpos; |
357 |
int y; |
358 |
register int x; |
359 |
|
360 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
361 |
if (scanln == NULL) { |
362 |
fprintf(stderr, "%s: out of memory\n", progname); |
363 |
quit(1); |
364 |
} |
365 |
dogamma = gamcor < .95 || gamcor > 1.05; |
366 |
if (putprim == ALL && !interleave) { |
367 |
startprim = RED; endprim = BLU; |
368 |
startpos = ftell(fin); |
369 |
} else { |
370 |
startprim = putprim; endprim = putprim; |
371 |
} |
372 |
for (putprim = startprim; putprim <= endprim; putprim++) { |
373 |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
374 |
fprintf(stderr, "%s: seek error on input file\n", |
375 |
progname); |
376 |
quit(1); |
377 |
} |
378 |
set_io(); |
379 |
setcolor(lastc, 0.0, 0.0, 0.0); |
380 |
for (y = 0; y < numscans(&picres); y++) { |
381 |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
382 |
fprintf(stderr, "%s: read error\n", progname); |
383 |
quit(1); |
384 |
} |
385 |
for (x = 0; x < scanlen(&picres); x++) { |
386 |
if (uniq) |
387 |
if ( colval(scanln[x],RED) == |
388 |
colval(lastc,RED) && |
389 |
colval(scanln[x],GRN) == |
390 |
colval(lastc,GRN) && |
391 |
colval(scanln[x],BLU) == |
392 |
colval(lastc,BLU) ) |
393 |
continue; |
394 |
else |
395 |
copycolor(lastc, scanln[x]); |
396 |
if (doexposure) |
397 |
multcolor(scanln[x], exposure); |
398 |
if (dogamma) |
399 |
setcolor(scanln[x], |
400 |
pow(colval(scanln[x],RED), 1.0/gamcor), |
401 |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
402 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
403 |
if (!dataonly) { |
404 |
pix2loc(hv, &picres, x, y); |
405 |
printf("%7d %7d ", |
406 |
(int)(hv[0]*picres.xr), |
407 |
(int)(hv[1]*picres.yr)); |
408 |
} |
409 |
if ((*putval)(scanln[x]) < 0) { |
410 |
fprintf(stderr, "%s: write error\n", |
411 |
progname); |
412 |
quit(1); |
413 |
} |
414 |
} |
415 |
} |
416 |
} |
417 |
free((char *)scanln); |
418 |
} |
419 |
|
420 |
|
421 |
valtopix() /* convert values to a pixel file */ |
422 |
{ |
423 |
int dogamma; |
424 |
register COLOR *scanln; |
425 |
int y; |
426 |
register int x; |
427 |
|
428 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
429 |
if (scanln == NULL) { |
430 |
fprintf(stderr, "%s: out of memory\n", progname); |
431 |
quit(1); |
432 |
} |
433 |
dogamma = gamcor < .95 || gamcor > 1.05; |
434 |
set_io(); |
435 |
for (y = 0; y < numscans(&picres); y++) { |
436 |
for (x = 0; x < scanlen(&picres); x++) { |
437 |
if (!dataonly) { |
438 |
fscanf(fin, "%*d %*d"); |
439 |
if (fin2 != NULL) { |
440 |
fscanf(fin2, "%*d %*d"); |
441 |
fscanf(fin3, "%*d %*d"); |
442 |
} |
443 |
} |
444 |
if ((*getval)(scanln[x]) < 0) { |
445 |
fprintf(stderr, "%s: read error\n", progname); |
446 |
quit(1); |
447 |
} |
448 |
if (dogamma) |
449 |
setcolor(scanln[x], |
450 |
pow(colval(scanln[x],RED), gamcor), |
451 |
pow(colval(scanln[x],GRN), gamcor), |
452 |
pow(colval(scanln[x],BLU), gamcor)); |
453 |
if (doexposure) |
454 |
multcolor(scanln[x], exposure); |
455 |
} |
456 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
457 |
fprintf(stderr, "%s: write error\n", progname); |
458 |
quit(1); |
459 |
} |
460 |
} |
461 |
free((char *)scanln); |
462 |
} |
463 |
|
464 |
|
465 |
quit(code) |
466 |
int code; |
467 |
{ |
468 |
exit(code); |
469 |
} |
470 |
|
471 |
|
472 |
getcascii(col) /* get an ascii color value from stream(s) */ |
473 |
COLOR col; |
474 |
{ |
475 |
double vd[3]; |
476 |
|
477 |
if (fin2 == NULL) { |
478 |
if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
479 |
return(-1); |
480 |
} else { |
481 |
if (fscanf(fin, "%lf", &vd[0]) != 1 || |
482 |
fscanf(fin2, "%lf", &vd[1]) != 1 || |
483 |
fscanf(fin3, "%lf", &vd[2]) != 1) |
484 |
return(-1); |
485 |
} |
486 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
487 |
return(0); |
488 |
} |
489 |
|
490 |
|
491 |
getcdouble(col) /* get a double color value from stream(s) */ |
492 |
COLOR col; |
493 |
{ |
494 |
double vd[3]; |
495 |
|
496 |
if (fin2 == NULL) { |
497 |
if (fread((char *)vd, sizeof(double), 3, fin) != 3) |
498 |
return(-1); |
499 |
} else { |
500 |
if (fread((char *)vd, sizeof(double), 1, fin) != 1 || |
501 |
fread((char *)(vd+1), sizeof(double), 1, fin2) != 1 || |
502 |
fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
503 |
return(-1); |
504 |
} |
505 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
506 |
return(0); |
507 |
} |
508 |
|
509 |
|
510 |
getcfloat(col) /* get a float color value from stream(s) */ |
511 |
COLOR col; |
512 |
{ |
513 |
float vf[3]; |
514 |
|
515 |
if (fin2 == NULL) { |
516 |
if (fread((char *)vf, sizeof(float), 3, fin) != 3) |
517 |
return(-1); |
518 |
} else { |
519 |
if (fread((char *)vf, sizeof(float), 1, fin) != 1 || |
520 |
fread((char *)(vf+1), sizeof(float), 1, fin2) != 1 || |
521 |
fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
522 |
return(-1); |
523 |
} |
524 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
525 |
return(0); |
526 |
} |
527 |
|
528 |
|
529 |
getcint(col) /* get an int color value from stream(s) */ |
530 |
COLOR col; |
531 |
{ |
532 |
int vi[3]; |
533 |
|
534 |
if (fin2 == NULL) { |
535 |
if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
536 |
return(-1); |
537 |
} else { |
538 |
if (fscanf(fin, "%d", &vi[0]) != 1 || |
539 |
fscanf(fin2, "%d", &vi[1]) != 1 || |
540 |
fscanf(fin3, "%d", &vi[2]) != 1) |
541 |
return(-1); |
542 |
} |
543 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
544 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
545 |
return(0); |
546 |
} |
547 |
|
548 |
|
549 |
getcbyte(col) /* get a byte color value from stream(s) */ |
550 |
COLOR col; |
551 |
{ |
552 |
BYTE vb[3]; |
553 |
|
554 |
if (fin2 == NULL) { |
555 |
if (fread((char *)vb, sizeof(BYTE), 3, fin) != 3) |
556 |
return(-1); |
557 |
} else { |
558 |
if (fread((char *)vb, sizeof(BYTE), 1, fin) != 1 || |
559 |
fread((char *)(vb+1), sizeof(BYTE), 1, fin2) != 1 || |
560 |
fread((char *)(vb+2), sizeof(BYTE), 1, fin3) != 1) |
561 |
return(-1); |
562 |
} |
563 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
564 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
565 |
return(0); |
566 |
} |
567 |
|
568 |
|
569 |
getbascii(col) /* get an ascii brightness value from fin */ |
570 |
COLOR col; |
571 |
{ |
572 |
double vd; |
573 |
|
574 |
if (fscanf(fin, "%lf", &vd) != 1) |
575 |
return(-1); |
576 |
setcolor(col, vd, vd, vd); |
577 |
return(0); |
578 |
} |
579 |
|
580 |
|
581 |
getbdouble(col) /* get a double brightness value from fin */ |
582 |
COLOR col; |
583 |
{ |
584 |
double vd; |
585 |
|
586 |
if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
587 |
return(-1); |
588 |
setcolor(col, vd, vd, vd); |
589 |
return(0); |
590 |
} |
591 |
|
592 |
|
593 |
getbfloat(col) /* get a float brightness value from fin */ |
594 |
COLOR col; |
595 |
{ |
596 |
float vf; |
597 |
|
598 |
if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
599 |
return(-1); |
600 |
setcolor(col, vf, vf, vf); |
601 |
return(0); |
602 |
} |
603 |
|
604 |
|
605 |
getbint(col) /* get an int brightness value from fin */ |
606 |
COLOR col; |
607 |
{ |
608 |
int vi; |
609 |
double d; |
610 |
|
611 |
if (fscanf(fin, "%d", &vi) != 1) |
612 |
return(-1); |
613 |
d = (vi+.5)/256.; |
614 |
setcolor(col, d, d, d); |
615 |
return(0); |
616 |
} |
617 |
|
618 |
|
619 |
getbbyte(col) /* get a byte brightness value from fin */ |
620 |
COLOR col; |
621 |
{ |
622 |
BYTE vb; |
623 |
double d; |
624 |
|
625 |
if (fread((char *)&vb, sizeof(BYTE), 1, fin) != 1) |
626 |
return(-1); |
627 |
d = (vb+.5)/256.; |
628 |
setcolor(col, d, d, d); |
629 |
return(0); |
630 |
} |
631 |
|
632 |
|
633 |
putcascii(col) /* put an ascii color to stdout */ |
634 |
COLOR col; |
635 |
{ |
636 |
fprintf(stdout, "%15.3e %15.3e %15.3e\n", |
637 |
colval(col,ord[0]), |
638 |
colval(col,ord[1]), |
639 |
colval(col,ord[2])); |
640 |
|
641 |
return(ferror(stdout) ? -1 : 0); |
642 |
} |
643 |
|
644 |
|
645 |
putcfloat(col) /* put a float color to stdout */ |
646 |
COLOR col; |
647 |
{ |
648 |
float vf[3]; |
649 |
|
650 |
vf[0] = colval(col,ord[0]); |
651 |
vf[1] = colval(col,ord[1]); |
652 |
vf[2] = colval(col,ord[2]); |
653 |
fwrite((char *)vf, sizeof(float), 3, stdout); |
654 |
|
655 |
return(ferror(stdout) ? -1 : 0); |
656 |
} |
657 |
|
658 |
|
659 |
putcdouble(col) /* put a double color to stdout */ |
660 |
COLOR col; |
661 |
{ |
662 |
double vd[3]; |
663 |
|
664 |
vd[0] = colval(col,ord[0]); |
665 |
vd[1] = colval(col,ord[1]); |
666 |
vd[2] = colval(col,ord[2]); |
667 |
fwrite((char *)vd, sizeof(double), 3, stdout); |
668 |
|
669 |
return(ferror(stdout) ? -1 : 0); |
670 |
} |
671 |
|
672 |
|
673 |
putcint(col) /* put an int color to stdout */ |
674 |
COLOR col; |
675 |
{ |
676 |
fprintf(stdout, "%d %d %d\n", |
677 |
(int)(colval(col,ord[0])*256.), |
678 |
(int)(colval(col,ord[1])*256.), |
679 |
(int)(colval(col,ord[2])*256.)); |
680 |
|
681 |
return(ferror(stdout) ? -1 : 0); |
682 |
} |
683 |
|
684 |
|
685 |
putcbyte(col) /* put a byte color to stdout */ |
686 |
COLOR col; |
687 |
{ |
688 |
register int i; |
689 |
BYTE vb[3]; |
690 |
|
691 |
i = colval(col,ord[0])*256.; |
692 |
vb[0] = min(i,255); |
693 |
i = colval(col,ord[1])*256.; |
694 |
vb[1] = min(i,255); |
695 |
i = colval(col,ord[2])*256.; |
696 |
vb[2] = min(i,255); |
697 |
fwrite((char *)vb, sizeof(BYTE), 3, stdout); |
698 |
|
699 |
return(ferror(stdout) ? -1 : 0); |
700 |
} |
701 |
|
702 |
|
703 |
putbascii(col) /* put an ascii brightness to stdout */ |
704 |
COLOR col; |
705 |
{ |
706 |
fprintf(stdout, "%15.3e\n", bright(col)); |
707 |
|
708 |
return(ferror(stdout) ? -1 : 0); |
709 |
} |
710 |
|
711 |
|
712 |
putbfloat(col) /* put a float brightness to stdout */ |
713 |
COLOR col; |
714 |
{ |
715 |
float vf; |
716 |
|
717 |
vf = bright(col); |
718 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
719 |
|
720 |
return(ferror(stdout) ? -1 : 0); |
721 |
} |
722 |
|
723 |
|
724 |
putbdouble(col) /* put a double brightness to stdout */ |
725 |
COLOR col; |
726 |
{ |
727 |
double vd; |
728 |
|
729 |
vd = bright(col); |
730 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
731 |
|
732 |
return(ferror(stdout) ? -1 : 0); |
733 |
} |
734 |
|
735 |
|
736 |
putbint(col) /* put an int brightness to stdout */ |
737 |
COLOR col; |
738 |
{ |
739 |
fprintf(stdout, "%d\n", (int)(bright(col)*256.)); |
740 |
|
741 |
return(ferror(stdout) ? -1 : 0); |
742 |
} |
743 |
|
744 |
|
745 |
putbbyte(col) /* put a byte brightness to stdout */ |
746 |
COLOR col; |
747 |
{ |
748 |
register int i; |
749 |
BYTE vb; |
750 |
|
751 |
i = bright(col)*256.; |
752 |
vb = min(i,255); |
753 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
754 |
|
755 |
return(ferror(stdout) ? -1 : 0); |
756 |
} |
757 |
|
758 |
|
759 |
putpascii(col) /* put an ascii primary to stdout */ |
760 |
COLOR col; |
761 |
{ |
762 |
fprintf(stdout, "%15.3e\n", colval(col,putprim)); |
763 |
|
764 |
return(ferror(stdout) ? -1 : 0); |
765 |
} |
766 |
|
767 |
|
768 |
putpfloat(col) /* put a float primary to stdout */ |
769 |
COLOR col; |
770 |
{ |
771 |
float vf; |
772 |
|
773 |
vf = colval(col,putprim); |
774 |
fwrite((char *)&vf, sizeof(float), 1, stdout); |
775 |
|
776 |
return(ferror(stdout) ? -1 : 0); |
777 |
} |
778 |
|
779 |
|
780 |
putpdouble(col) /* put a double primary to stdout */ |
781 |
COLOR col; |
782 |
{ |
783 |
double vd; |
784 |
|
785 |
vd = colval(col,putprim); |
786 |
fwrite((char *)&vd, sizeof(double), 1, stdout); |
787 |
|
788 |
return(ferror(stdout) ? -1 : 0); |
789 |
} |
790 |
|
791 |
|
792 |
putpint(col) /* put an int primary to stdout */ |
793 |
COLOR col; |
794 |
{ |
795 |
fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.)); |
796 |
|
797 |
return(ferror(stdout) ? -1 : 0); |
798 |
} |
799 |
|
800 |
|
801 |
putpbyte(col) /* put a byte primary to stdout */ |
802 |
COLOR col; |
803 |
{ |
804 |
register int i; |
805 |
BYTE vb; |
806 |
|
807 |
i = colval(col,putprim)*256.; |
808 |
vb = min(i,255); |
809 |
fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
810 |
|
811 |
return(ferror(stdout) ? -1 : 0); |
812 |
} |
813 |
|
814 |
|
815 |
set_io() /* set put and get functions */ |
816 |
{ |
817 |
switch (format) { |
818 |
case 'a': /* ascii */ |
819 |
if (putprim == BRIGHT) { |
820 |
getval = getbascii; |
821 |
putval = putbascii; |
822 |
} else if (putprim != ALL) { |
823 |
getval = getbascii; |
824 |
putval = putpascii; |
825 |
} else { |
826 |
getval = getcascii; |
827 |
putval = putcascii; |
828 |
if (reverse && !interleave) { |
829 |
fprintf(stderr, |
830 |
"%s: ASCII input files must be interleaved\n", |
831 |
progname); |
832 |
quit(1); |
833 |
} |
834 |
} |
835 |
return; |
836 |
case 'f': /* binary float */ |
837 |
if (putprim == BRIGHT) { |
838 |
getval = getbfloat; |
839 |
putval = putbfloat; |
840 |
} else if (putprim != ALL) { |
841 |
getval = getbfloat; |
842 |
putval = putpfloat; |
843 |
} else { |
844 |
getval = getcfloat; |
845 |
putval = putcfloat; |
846 |
if (reverse && !interleave) { |
847 |
if (fin2 == NULL) |
848 |
goto namerr; |
849 |
if (fseek(fin2, |
850 |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
851 |
goto seekerr; |
852 |
if (fseek(fin3, |
853 |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
854 |
goto seekerr; |
855 |
} |
856 |
} |
857 |
return; |
858 |
case 'd': /* binary double */ |
859 |
if (putprim == BRIGHT) { |
860 |
getval = getbdouble; |
861 |
putval = putbdouble; |
862 |
} else if (putprim != ALL) { |
863 |
getval = getbdouble; |
864 |
putval = putpdouble; |
865 |
} else { |
866 |
getval = getcdouble; |
867 |
putval = putcdouble; |
868 |
if (reverse && !interleave) { |
869 |
if (fin2 == NULL) |
870 |
goto namerr; |
871 |
if (fseek(fin2, |
872 |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
873 |
goto seekerr; |
874 |
if (fseek(fin3, |
875 |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
876 |
goto seekerr; |
877 |
} |
878 |
} |
879 |
return; |
880 |
case 'i': /* integer */ |
881 |
if (putprim == BRIGHT) { |
882 |
getval = getbint; |
883 |
putval = putbint; |
884 |
} else if (putprim != ALL) { |
885 |
getval = getbint; |
886 |
putval = putpint; |
887 |
} else { |
888 |
getval = getcint; |
889 |
putval = putcint; |
890 |
if (reverse && !interleave) { |
891 |
fprintf(stderr, |
892 |
"%s: integer input files must be interleaved\n", |
893 |
progname); |
894 |
quit(1); |
895 |
} |
896 |
} |
897 |
return; |
898 |
case 'b': /* byte */ |
899 |
if (putprim == BRIGHT) { |
900 |
getval = getbbyte; |
901 |
putval = putbbyte; |
902 |
} else if (putprim != ALL) { |
903 |
getval = getbbyte; |
904 |
putval = putpbyte; |
905 |
} else { |
906 |
getval = getcbyte; |
907 |
putval = putcbyte; |
908 |
if (reverse && !interleave) { |
909 |
if (fin2 == NULL) |
910 |
goto namerr; |
911 |
if (fseek(fin2, |
912 |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
913 |
goto seekerr; |
914 |
if (fseek(fin3, |
915 |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
916 |
goto seekerr; |
917 |
} |
918 |
} |
919 |
return; |
920 |
} |
921 |
badopt: |
922 |
fprintf(stderr, "%s: botched file type\n", progname); |
923 |
quit(1); |
924 |
namerr: |
925 |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
926 |
progname); |
927 |
quit(1); |
928 |
seekerr: |
929 |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
930 |
progname); |
931 |
quit(1); |
932 |
} |