1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: radcompare.c,v 2.34 2023/11/21 20:01:39 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Compare Radiance files for significant differences |
6 |
* |
7 |
* G. Ward |
8 |
*/ |
9 |
|
10 |
#include <stdlib.h> |
11 |
#include <ctype.h> |
12 |
#include "rtmath.h" |
13 |
#include "platform.h" |
14 |
#include "rtio.h" |
15 |
#include "resolu.h" |
16 |
#include "color.h" |
17 |
#include "depthcodec.h" |
18 |
#include "normcodec.h" |
19 |
#include "lookup.h" |
20 |
/* Reporting levels */ |
21 |
#define REP_QUIET 0 /* no reporting */ |
22 |
#define REP_ERROR 1 /* report errors only */ |
23 |
#define REP_WARN 2 /* report warnings as well */ |
24 |
#define REP_VERBOSE 3 /* verbose reporting */ |
25 |
|
26 |
int report = REP_WARN; /* reporting level */ |
27 |
|
28 |
int ign_header = 0; /* ignore header differences? */ |
29 |
|
30 |
int escape_newlines = 0; /* allow backslash to skip newlines */ |
31 |
|
32 |
double rel_min = 1e-5; /* positive for relative comparisons */ |
33 |
|
34 |
double rms_lim = 0.01; /* RMS difference limit */ |
35 |
|
36 |
double max_lim = 0.25; /* difference limit if non-negative */ |
37 |
|
38 |
int lin1cnt=0, lin2cnt=0; /* file line position */ |
39 |
|
40 |
int comment_c = '\0'; /* comment delimiter for text files */ |
41 |
|
42 |
const char nsuffix[10][3] = { /* 1st, 2nd, 3rd, etc. */ |
43 |
"th","st","nd","rd","th","th","th","th","th","th" |
44 |
}; |
45 |
#define num_sfx(n) nsuffix[(n)%10] |
46 |
|
47 |
/* file types */ |
48 |
const char *file_type[] = { |
49 |
"Unrecognized", |
50 |
"TEXT_generic", |
51 |
"ascii", |
52 |
COLRFMT, |
53 |
CIEFMT, |
54 |
SPECFMT, |
55 |
DEPTH16FMT, |
56 |
NORMAL32FMT, |
57 |
"float", |
58 |
"double", |
59 |
"BSDF_RBFmesh", |
60 |
"Radiance_octree", |
61 |
"Radiance_tmesh", |
62 |
"8-bit_indexed_name", |
63 |
"16-bit_indexed_name", |
64 |
"24-bit_indexed_name", |
65 |
"BINARY_unknown", |
66 |
NULL /* terminator */ |
67 |
}; |
68 |
/* keep consistent with above */ |
69 |
enum {TYP_UNKNOWN, TYP_TEXT, TYP_ASCII, TYP_RGBE, TYP_XYZE, TYP_SPEC, |
70 |
TYP_DEPTH, TYP_NORM, TYP_FLOAT, TYP_DOUBLE, |
71 |
TYP_RBFMESH, TYP_OCTREE, TYP_TMESH, |
72 |
TYP_ID8, TYP_ID16, TYP_ID24, TYP_BINARY}; |
73 |
|
74 |
#define has_header(t) (!( 1L<<(t) & (1L<<TYP_TEXT | 1L<<TYP_BINARY) )) |
75 |
|
76 |
/* header variables to always ignore */ |
77 |
const char *hdr_ignkey[] = { |
78 |
"SOFTWARE", |
79 |
"CAPDATE", |
80 |
"GMT", |
81 |
"FRAME", |
82 |
"TILED", |
83 |
NULL /* terminator */ |
84 |
}; |
85 |
/* header variable settings */ |
86 |
LUTAB hdr1 = LU_SINIT(free,free); |
87 |
LUTAB hdr2 = LU_SINIT(free,free); |
88 |
|
89 |
/* advance appropriate file line count */ |
90 |
#define adv_linecnt(htp) (lin1cnt += (htp == &hdr1), \ |
91 |
lin2cnt += (htp == &hdr2)) |
92 |
|
93 |
typedef struct { /* dynamic line buffer */ |
94 |
char *str; |
95 |
int len; |
96 |
int siz; |
97 |
} LINEBUF; |
98 |
|
99 |
#define init_line(bp) ((bp)->str = NULL, (bp)->siz = 0) |
100 |
/* 100 MByte limit on line buffer */ |
101 |
#define MAXBUF (100L<<20) |
102 |
|
103 |
/* input files */ |
104 |
char *progname = NULL; |
105 |
const char stdin_name[] = "<stdin>"; |
106 |
const char *f1name=NULL, *f2name=NULL; |
107 |
FILE *f1in=NULL, *f2in=NULL; |
108 |
int f1swap=0, f2swap=0; |
109 |
|
110 |
/* running real differences */ |
111 |
double diff2sum = 0; |
112 |
long nsum = 0; |
113 |
|
114 |
/* Report usage and exit */ |
115 |
static void |
116 |
usage() |
117 |
{ |
118 |
fputs("Usage: ", stderr); |
119 |
fputs(progname, stderr); |
120 |
fputs(" [-h][-c#][-s|-w|-v][-rel min_test][-rms epsilon][-max epsilon] reference test\n", |
121 |
stderr); |
122 |
exit(2); |
123 |
} |
124 |
|
125 |
/* Read a text line, increasing buffer size as necessary */ |
126 |
static int |
127 |
read_line(LINEBUF *bp, FILE *fp) |
128 |
{ |
129 |
static int doneWarn = 0; |
130 |
|
131 |
bp->len = 0; |
132 |
if (!bp->str) { |
133 |
bp->str = (char *)malloc(bp->siz = 512); |
134 |
if (!bp->str) |
135 |
goto memerr; |
136 |
} |
137 |
while (fgets(bp->str + bp->len, bp->siz - bp->len, fp)) { |
138 |
bp->len += strlen(bp->str + bp->len); |
139 |
if (bp->str[bp->len-1] == '\n') { |
140 |
if (bp->len > 1 && bp->str[bp->len-2] == '\r') { |
141 |
bp->str[--bp->len] = '\0'; |
142 |
bp->str[bp->len-1] = '\n'; |
143 |
} |
144 |
if (escape_newlines && bp->len > 1 && |
145 |
bp->str[bp->len-2] == '\\') { |
146 |
bp->str[--bp->len] = '\0'; |
147 |
bp->str[bp->len-1] = ' '; |
148 |
continue; |
149 |
} |
150 |
break; /* found EOL */ |
151 |
} |
152 |
if (bp->len < bp->siz - 4) |
153 |
continue; /* at EOF? */ |
154 |
if (bp->siz >= MAXBUF) { |
155 |
if ((report >= REP_WARN) & !doneWarn) { |
156 |
fprintf(stderr, |
157 |
"%s: warning - input line(s) past %ld MByte limit\n", |
158 |
progname, MAXBUF>>20); |
159 |
doneWarn++; |
160 |
} |
161 |
break; /* return MAXBUF partial line */ |
162 |
} |
163 |
if ((bp->siz += bp->siz/2) > MAXBUF) |
164 |
bp->siz = MAXBUF; |
165 |
bp->str = (char *)realloc(bp->str, bp->siz); |
166 |
if (!bp->str) |
167 |
goto memerr; |
168 |
} |
169 |
if (comment_c) { /* elide comment? */ |
170 |
char *cp = sskip2(bp->str,0); |
171 |
if (*cp == comment_c) { |
172 |
*cp++ = '\n'; |
173 |
*cp = '\0'; |
174 |
bp->len = cp - bp->str; |
175 |
} |
176 |
} |
177 |
return(bp->len); |
178 |
memerr: |
179 |
fprintf(stderr, |
180 |
"%s: out of memory in read_line() allocating %d byte buffer\n", |
181 |
progname, bp->siz); |
182 |
exit(2); |
183 |
} |
184 |
|
185 |
/* Free line buffer */ |
186 |
static void |
187 |
free_line(LINEBUF *bp) |
188 |
{ |
189 |
if (bp->str) free(bp->str); |
190 |
init_line(bp); |
191 |
} |
192 |
|
193 |
/* Get type ID from name (or 0 if not found) */ |
194 |
static int |
195 |
xlate_type(const char *nm) |
196 |
{ |
197 |
int i; |
198 |
|
199 |
if (!nm || !*nm) |
200 |
return(TYP_UNKNOWN); |
201 |
for (i = 1; file_type[i]; i++) |
202 |
if (!strcmp(nm, file_type[i])) |
203 |
return(i); |
204 |
return(TYP_UNKNOWN); |
205 |
} |
206 |
|
207 |
/* Compare real values and keep track of differences */ |
208 |
static int |
209 |
real_check(double r1, double r2) |
210 |
{ |
211 |
double diff2 = (r1 - r2)*(r1 - r2); |
212 |
|
213 |
if (rel_min > 0) { /* doing relative differences? */ |
214 |
double av2 = .25*(r1*r1 + 2.*fabs(r1*r2) + r2*r2); |
215 |
if (av2 < rel_min*rel_min) |
216 |
av2 = rel_min*rel_min; |
217 |
diff2 /= av2; |
218 |
} |
219 |
if (max_lim >= 0 && diff2 > max_lim*max_lim) { |
220 |
if (report != REP_QUIET) |
221 |
printf( |
222 |
"%s: %sdifference between %.8g and %.8g exceeds epsilon of %.8g\n", |
223 |
progname, |
224 |
(rel_min > 0) ? "relative " : "", |
225 |
r1, r2, max_lim); |
226 |
return(0); |
227 |
} |
228 |
diff2sum += diff2; |
229 |
nsum++; |
230 |
return(1); |
231 |
} |
232 |
|
233 |
/* Compare two color values for equivalence */ |
234 |
static int |
235 |
color_check(COLOR c1, COLOR c2) |
236 |
{ |
237 |
int p; |
238 |
|
239 |
if (!real_check((colval(c1,RED)+colval(c1,GRN)+colval(c1,BLU))*(1./3.), |
240 |
(colval(c2,RED)+colval(c2,GRN)+colval(c2,BLU))*(1./3.))) |
241 |
return(0); |
242 |
|
243 |
p = (colval(c1,GRN) > colval(c1,RED)) ? GRN : RED; |
244 |
if (colval(c1,BLU) > colval(c1,p)) p = BLU; |
245 |
|
246 |
return(real_check(colval(c1,p), colval(c2,p))); |
247 |
} |
248 |
|
249 |
#if 1 |
250 |
/* Compare two color spectra for equivalence */ |
251 |
static int |
252 |
spec_check(COLORV *sc1, COLORV *sc2) |
253 |
{ |
254 |
int p, k; |
255 |
|
256 |
if (!real_check(scolor_mean(sc1), scolor_mean(sc2))) |
257 |
return(0); |
258 |
|
259 |
p = 0; /* find max. component */ |
260 |
for (k = NCSAMP; --k; ) |
261 |
if (sc1[k] > sc1[p]) |
262 |
p = k; |
263 |
|
264 |
return(real_check(sc1[p], sc2[p])); |
265 |
} |
266 |
#else |
267 |
/* Compare two color spectra for equivalence */ |
268 |
static int |
269 |
spec_check(COLORV *sc1, COLORV *sc2) |
270 |
{ |
271 |
COLOR c1, c2; |
272 |
int p; |
273 |
|
274 |
if (!real_check(scolor_mean(sc1), scolor_mean(sc2))) |
275 |
return(0); |
276 |
/* do comparisons in RGB space */ |
277 |
scolor_rgb(c1, sc1); |
278 |
scolor_rgb(c2, sc2); |
279 |
|
280 |
p = (colval(c1,GRN) > colval(c1,RED)) ? GRN : RED; |
281 |
if (colval(c1,BLU) > colval(c1,p)) p = BLU; |
282 |
|
283 |
return(real_check(colval(c1,p), colval(c2,p))); |
284 |
} |
285 |
#endif |
286 |
|
287 |
/* Compare two normal directions for equivalence */ |
288 |
static int |
289 |
norm_check(FVECT nv1, FVECT nv2) |
290 |
{ |
291 |
double max2 = nv1[2]*nv2[2]; |
292 |
int imax = 2; |
293 |
int i = 2; |
294 |
/* identify largest component */ |
295 |
while (i--) { |
296 |
double tm2 = nv1[i]*nv2[i]; |
297 |
if (tm2 > max2) { |
298 |
imax = i; |
299 |
max2 = tm2; |
300 |
} |
301 |
} |
302 |
i = 3; /* compare smaller components */ |
303 |
while (i--) { |
304 |
if (i == imax) |
305 |
continue; |
306 |
if (!real_check(nv1[i], nv2[i])) |
307 |
return(0); |
308 |
} |
309 |
return(1); |
310 |
} |
311 |
|
312 |
/* Compare two strings for equivalence */ |
313 |
static int |
314 |
equiv_string(char *s1, char *s2) |
315 |
{ |
316 |
#define CLS_STR 0 |
317 |
#define CLS_INT 1 |
318 |
#define CLS_FLT 2 |
319 |
/* skip whitespace at beginning */ |
320 |
while (isspace(*s1)) s1++; |
321 |
while (isspace(*s2)) s2++; |
322 |
while (*s1) { /* check each word */ |
323 |
int inquote; |
324 |
if (!*s2) /* unexpected EOL in s2? */ |
325 |
return(0); |
326 |
inquote = *s1; |
327 |
if ((inquote != '\'') & (inquote != '"')) |
328 |
inquote = 0; |
329 |
if (inquote) { /* quoted text must match exactly */ |
330 |
if (*s1++ != *s2++) |
331 |
return(0); |
332 |
while (*s1 != inquote) { |
333 |
if (!*s1) |
334 |
return(0); |
335 |
if (*s1++ != *s2++) |
336 |
return(0); |
337 |
} |
338 |
s1++; |
339 |
if (*s2++ != inquote) |
340 |
return(0); |
341 |
} else { /* else classify word type */ |
342 |
char *s1s = s1; |
343 |
char *s2s = s2; |
344 |
int cls = CLS_STR; |
345 |
s1 = sskip(s1); |
346 |
s2 = sskip(s2); |
347 |
if (iskip(s1s) == s1) { |
348 |
if (iskip(s2s) == s2) |
349 |
cls = CLS_INT; |
350 |
else if (fskip(s2s) == s2) |
351 |
cls = CLS_FLT; |
352 |
} else if (fskip(s1s) == s1) { |
353 |
if (fskip(s2s) != s2) |
354 |
return(0); |
355 |
cls = CLS_FLT; |
356 |
} |
357 |
switch (cls) { |
358 |
case CLS_INT: /* strncmp() faster */ |
359 |
case CLS_STR: |
360 |
if (s1 - s1s != s2 - s2s) |
361 |
return(0); |
362 |
if (strncmp(s1s, s2s, s1 - s1s)) |
363 |
return(0); |
364 |
break; |
365 |
case CLS_FLT: |
366 |
if (!real_check(atof(s1s), atof(s2s))) |
367 |
return(0); |
368 |
break; |
369 |
} |
370 |
} |
371 |
while (isspace(*s1)) s1++; |
372 |
while (isspace(*s2)) s2++; |
373 |
} |
374 |
return(!*s2); /* match if we reached the end of s2, too */ |
375 |
#undef CLS_STR |
376 |
#undef CLS_INT |
377 |
#undef CLS_FLT |
378 |
} |
379 |
|
380 |
/* Check if string is var=value pair and set if not in ignore list */ |
381 |
static int |
382 |
setheadvar(char *val, void *p) |
383 |
{ |
384 |
char newval[128]; |
385 |
LUTAB *htp = (LUTAB *)p; |
386 |
LUENT *tep; |
387 |
char *key; |
388 |
int kln, vln; |
389 |
int n; |
390 |
|
391 |
adv_linecnt(htp); /* side-effect is to count lines */ |
392 |
if (!isalpha(*val)) /* key must start line */ |
393 |
return(0); |
394 |
/* check if we need to swap binary data */ |
395 |
if ((n = isbigendian(val)) >= 0) { |
396 |
if (nativebigendian() == n) |
397 |
return(0); |
398 |
f1swap += (htp == &hdr1); |
399 |
f2swap += (htp == &hdr2); |
400 |
return(0); |
401 |
} |
402 |
key = val++; |
403 |
while (*val && !isspace(*val) & (*val != '=')) |
404 |
val++; |
405 |
kln = val - key; |
406 |
while (isspace(*val)) /* check for value */ |
407 |
*val++ = '\0'; |
408 |
if (*val != '=') |
409 |
return(0); |
410 |
*val++ = '\0'; |
411 |
while (isspace(*val)) |
412 |
val++; |
413 |
if (!*val) /* nothing set? */ |
414 |
return(0); |
415 |
/* check if key to ignore */ |
416 |
for (n = 0; hdr_ignkey[n]; n++) |
417 |
if (!strcmp(key, hdr_ignkey[n])) |
418 |
return(0); |
419 |
vln = strlen(val); /* eliminate space and newline at end */ |
420 |
while (isspace(val[--vln])) |
421 |
; |
422 |
val[++vln] = '\0'; |
423 |
if (!(tep = lu_find(htp, key))) |
424 |
return(-1); /* memory allocation error */ |
425 |
if (!tep->key) |
426 |
tep->key = strcpy(malloc(kln+1), key); |
427 |
if (tep->data) { /* check for special cases */ |
428 |
if (!strcmp(key, "EXPOSURE")) { |
429 |
sprintf(newval, "%.6e", atof(tep->data)*atof(val)); |
430 |
vln = strlen(val = newval); |
431 |
} |
432 |
free(tep->data); |
433 |
} |
434 |
tep->data = strcpy(malloc(vln+1), val); |
435 |
return(1); |
436 |
} |
437 |
|
438 |
/* Lookup correspondent in other header */ |
439 |
static int |
440 |
match_val(const LUENT *ep1, void *p2) |
441 |
{ |
442 |
const LUENT *ep2 = lu_find((LUTAB *)p2, ep1->key); |
443 |
if (!ep2 || !ep2->data) { |
444 |
if (report != REP_QUIET) |
445 |
printf("%s: variable '%s' missing in '%s'\n", |
446 |
progname, ep1->key, f2name); |
447 |
return(-1); |
448 |
} |
449 |
if (!equiv_string((char *)ep1->data, (char *)ep2->data)) { |
450 |
if (report != REP_QUIET) { |
451 |
printf("%s: header variable '%s' has different values\n", |
452 |
progname, ep1->key); |
453 |
if (report >= REP_VERBOSE) { |
454 |
printf("%s: %s=%s\n", f1name, |
455 |
ep1->key, (char *)ep1->data); |
456 |
printf("%s: %s=%s\n", f2name, |
457 |
ep2->key, (char *)ep2->data); |
458 |
} |
459 |
} |
460 |
return(-1); |
461 |
} |
462 |
return(1); /* good match */ |
463 |
} |
464 |
|
465 |
/* Compare two sets of header variables */ |
466 |
static int |
467 |
headers_match() |
468 |
{ |
469 |
int ne = lu_doall(&hdr1, match_val, &hdr2); |
470 |
if (ne < 0) |
471 |
return(0); /* something didn't match! */ |
472 |
/* non-fatal if second header has extra */ |
473 |
if (report >= REP_WARN && (ne = lu_doall(&hdr2, NULL, NULL) - ne)) |
474 |
printf("%s: warning - '%s' has %d extra header setting(s)\n", |
475 |
progname, f2name, ne); |
476 |
return(1); /* good match */ |
477 |
} |
478 |
|
479 |
/* Check generic input to determine if it is binary, -1 on error */ |
480 |
static int |
481 |
input_is_binary(FILE *fin) |
482 |
{ |
483 |
int n = 0; |
484 |
int c = 0; |
485 |
|
486 |
while ((c = getc(fin)) != EOF) { |
487 |
++n; |
488 |
if (!c | (c > 127)) |
489 |
break; /* non-ascii character */ |
490 |
if (n >= 10240) |
491 |
break; /* enough to be confident */ |
492 |
} |
493 |
if (!n) |
494 |
return(-1); /* first read failed */ |
495 |
if (fseek(fin, 0L, 0) < 0) |
496 |
return(-1); /* rewind failed */ |
497 |
return(!c | (c > 127)); |
498 |
} |
499 |
|
500 |
/* Identify and return data type from header (if one) */ |
501 |
static int |
502 |
identify_type(const char *name, FILE *fin, LUTAB *htp) |
503 |
{ |
504 |
extern const char HDRSTR[]; |
505 |
int c; |
506 |
/* check magic header start */ |
507 |
if ((c = getc(fin)) != HDRSTR[0]) { |
508 |
if (c == EOF) goto badeof; |
509 |
ungetc(c, fin); |
510 |
c = 0; |
511 |
} else if ((c = getc(fin)) != HDRSTR[1]) { |
512 |
if (c == EOF) goto badeof; |
513 |
ungetc(c, fin); ungetc(HDRSTR[0], fin); |
514 |
c = 0; |
515 |
} |
516 |
if (c) { /* appears to have a header */ |
517 |
char sbuf[32]; |
518 |
if (!fgets(sbuf, sizeof(sbuf), fin)) |
519 |
goto badeof; |
520 |
adv_linecnt(htp); /* for #?ID string */ |
521 |
if (report >= REP_WARN && strncmp(sbuf, "RADIANCE", 8)) { |
522 |
fputs(name, stdout); |
523 |
fputs(": warning - unexpected header ID: ", stdout); |
524 |
fputs(sbuf, stdout); |
525 |
} |
526 |
if (getheader(fin, setheadvar, htp) < 0) { |
527 |
fputs(name, stderr); |
528 |
fputs(": unknown error reading header\n", stderr); |
529 |
return(-1); |
530 |
} |
531 |
adv_linecnt(htp); /* for trailing emtpy line */ |
532 |
return(xlate_type((const char *)lu_find(htp,"FORMAT")->data)); |
533 |
} |
534 |
c = input_is_binary(fin); /* else peek to see if binary */ |
535 |
if (c < 0) { |
536 |
fputs(name, stderr); |
537 |
fputs(": read/seek error\n", stderr); |
538 |
return(-1); |
539 |
} |
540 |
if (c) |
541 |
return(TYP_BINARY); |
542 |
return(TYP_TEXT); |
543 |
badeof: |
544 |
if (report != REP_QUIET) { |
545 |
fputs(name, stdout); |
546 |
fputs(": unexpected end-of-file\n", stdout); |
547 |
} |
548 |
return(-1); |
549 |
} |
550 |
|
551 |
/* Check that overall RMS error is below threshold */ |
552 |
static int |
553 |
good_RMS() |
554 |
{ |
555 |
if (!nsum) |
556 |
return(1); |
557 |
if (diff2sum/(double)nsum > rms_lim*rms_lim) { |
558 |
if (report != REP_QUIET) |
559 |
printf( |
560 |
"%s: %sRMS difference between '%s' and '%s' of %.5g exceeds limit of %.5g\n", |
561 |
progname, |
562 |
(rel_min > 0) ? "relative " : "", |
563 |
f1name, f2name, |
564 |
sqrt(diff2sum/(double)nsum), rms_lim); |
565 |
return(0); |
566 |
} |
567 |
if (report >= REP_VERBOSE) |
568 |
printf("%s: %sRMS difference of reals in '%s' and '%s' is %.5g\n", |
569 |
progname, (rel_min > 0) ? "relative " : "", |
570 |
f1name, f2name, sqrt(diff2sum/(double)nsum)); |
571 |
return(1); |
572 |
} |
573 |
|
574 |
/* Compare two inputs as generic binary files */ |
575 |
static int |
576 |
compare_binary() |
577 |
{ |
578 |
int c1=0, c2=0; |
579 |
|
580 |
if (report >= REP_VERBOSE) { |
581 |
fputs(progname, stdout); |
582 |
fputs(": comparing inputs as binary\n", stdout); |
583 |
} |
584 |
for ( ; ; ) { /* exact byte matching */ |
585 |
c1 = getc(f1in); |
586 |
c2 = getc(f2in); |
587 |
if (c1 == EOF) { |
588 |
if (c2 == EOF) |
589 |
return(1); /* success! */ |
590 |
if (report != REP_QUIET) { |
591 |
fputs(f1name, stdout); |
592 |
fputs(": unexpected end-of-file\n", stdout); |
593 |
} |
594 |
return(0); |
595 |
} |
596 |
if (c2 == EOF) { |
597 |
if (report != REP_QUIET) { |
598 |
fputs(f2name, stdout); |
599 |
fputs(": unexpected end-of-file\n", stdout); |
600 |
} |
601 |
return(0); |
602 |
} |
603 |
if (c1 != c2) |
604 |
break; /* quit and report difference */ |
605 |
} |
606 |
if (report == REP_QUIET) |
607 |
return(0); |
608 |
printf("%s: binary files '%s' and '%s' differ at byte offset %ld|%ld\n", |
609 |
progname, f1name, f2name, ftell(f1in), ftell(f2in)); |
610 |
if (report >= REP_VERBOSE) |
611 |
printf("%s: byte in '%s' is 0x%X, byte in '%s' is 0x%X\n", |
612 |
progname, f1name, c1, f2name, c2); |
613 |
return(0); |
614 |
} |
615 |
|
616 |
/* Compare two inputs as generic text files */ |
617 |
static int |
618 |
compare_text() |
619 |
{ |
620 |
LINEBUF l1buf, l2buf; |
621 |
|
622 |
if (report >= REP_VERBOSE) { |
623 |
fputs(progname, stdout); |
624 |
fputs(": comparing inputs as ASCII text", stdout); |
625 |
if (escape_newlines) |
626 |
fputs(", allowing escaped newlines", stdout); |
627 |
if (comment_c) { |
628 |
fputs(", ignoring comments starting with '", stdout); |
629 |
fputc(comment_c, stdout); |
630 |
fputc('\'', stdout); |
631 |
} |
632 |
fputc('\n', stdout); |
633 |
} |
634 |
SET_FILE_TEXT(f1in); /* originally set to binary */ |
635 |
SET_FILE_TEXT(f2in); |
636 |
init_line(&l1buf); init_line(&l2buf); /* compare a line at a time */ |
637 |
while (read_line(&l1buf, f1in)) { |
638 |
lin1cnt++; |
639 |
if (!*sskip2(l1buf.str,0)) |
640 |
continue; /* ignore empty lines */ |
641 |
|
642 |
while (read_line(&l2buf, f2in)) { |
643 |
lin2cnt++; |
644 |
if (*sskip2(l2buf.str,0)) |
645 |
break; /* found other non-empty line */ |
646 |
} |
647 |
if (!l2buf.len) { /* input 2 EOF? */ |
648 |
if (report != REP_QUIET) { |
649 |
fputs(f2name, stdout); |
650 |
fputs(": unexpected end-of-file\n", stdout); |
651 |
} |
652 |
free_line(&l1buf); free_line(&l2buf); |
653 |
return(0); |
654 |
} |
655 |
/* compare non-empty lines */ |
656 |
if (!equiv_string(l1buf.str, l2buf.str)) { |
657 |
if (report != REP_QUIET) { |
658 |
printf("%s: inputs '%s' and '%s' differ at line %d", |
659 |
progname, f1name, f2name, lin1cnt); |
660 |
if (lin1cnt != lin2cnt) |
661 |
printf("|%d\n", lin2cnt); |
662 |
else |
663 |
putchar('\n'); |
664 |
if ( report >= REP_VERBOSE && |
665 |
(l1buf.len < 256) & |
666 |
(l2buf.len < 256) ) { |
667 |
fputs("------------- Mismatch -------------\n", stdout); |
668 |
printf("%s@%d:\t%s", f1name, |
669 |
lin1cnt, l1buf.str); |
670 |
printf("%s@%d:\t%s", f2name, |
671 |
lin2cnt, l2buf.str); |
672 |
} |
673 |
} |
674 |
free_line(&l1buf); free_line(&l2buf); |
675 |
return(0); |
676 |
} |
677 |
} |
678 |
free_line(&l1buf); /* check for EOF on input 2 */ |
679 |
while (read_line(&l2buf, f2in)) { |
680 |
if (!*sskip2(l2buf.str,0)) |
681 |
continue; |
682 |
if (report != REP_QUIET) { |
683 |
fputs(f1name, stdout); |
684 |
fputs(": unexpected end-of-file\n", stdout); |
685 |
} |
686 |
free_line(&l2buf); |
687 |
return(0); |
688 |
} |
689 |
free_line(&l2buf); |
690 |
return(good_RMS()); /* final check for reals */ |
691 |
} |
692 |
|
693 |
/* Set resolution based on NROWS, NCOLS in header */ |
694 |
static int |
695 |
set_resolu(RESOLU *rs, LUTAB *htp) |
696 |
{ |
697 |
const char *val; |
698 |
|
699 |
rs->rt = PIXSTANDARD; |
700 |
val = (const char *)lu_find(htp, "NROWS")->data; |
701 |
if (!val) return(0); |
702 |
rs->yr = atoi(val); |
703 |
if (rs->yr <= 0) return(-1); |
704 |
val = (const char *)lu_find(htp, "NCOLS")->data; |
705 |
if (!val) return(0); |
706 |
rs->xr = atoi(val); |
707 |
if (rs->xr <= 0) return(-1); |
708 |
return(1); |
709 |
} |
710 |
|
711 |
/* Check image/map resolutions */ |
712 |
static int |
713 |
check_resolu(const char *class, RESOLU *r1p, RESOLU *r2p) |
714 |
{ |
715 |
if (r1p->rt != r2p->rt) { |
716 |
if (report != REP_QUIET) |
717 |
printf( |
718 |
"%s: %ss '%s' and '%s' have different pixel ordering\n", |
719 |
progname, class, f1name, f2name); |
720 |
return(0); |
721 |
} |
722 |
if ((r1p->xr != r2p->xr) | (r1p->yr != r2p->yr)) { |
723 |
if (report != REP_QUIET) |
724 |
printf( |
725 |
"%s: %ss '%s' and '%s' are different sizes\n", |
726 |
progname, class, f1name, f2name); |
727 |
return(0); |
728 |
} |
729 |
return(1); |
730 |
} |
731 |
|
732 |
/* Compare two inputs that are known to be RGBE or XYZE images */ |
733 |
static int |
734 |
compare_hdr() |
735 |
{ |
736 |
RESOLU rs1, rs2; |
737 |
COLOR *scan1, *scan2; |
738 |
int x, y; |
739 |
|
740 |
if (report >= REP_VERBOSE) { |
741 |
fputs(progname, stdout); |
742 |
fputs(": comparing inputs as HDR images\n", stdout); |
743 |
} |
744 |
fgetsresolu(&rs1, f1in); |
745 |
fgetsresolu(&rs2, f2in); |
746 |
if (!check_resolu("HDR image", &rs1, &rs2)) |
747 |
return(0); |
748 |
scan1 = (COLOR *)malloc(scanlen(&rs1)*sizeof(COLOR)); |
749 |
scan2 = (COLOR *)malloc(scanlen(&rs2)*sizeof(COLOR)); |
750 |
if (!scan1 | !scan2) { |
751 |
fprintf(stderr, "%s: out of memory in compare_hdr()\n", progname); |
752 |
exit(2); |
753 |
} |
754 |
for (y = 0; y < numscans(&rs1); y++) { |
755 |
if ((freadscan(scan1, scanlen(&rs1), f1in) < 0) | |
756 |
(freadscan(scan2, scanlen(&rs2), f2in) < 0)) { |
757 |
if (report != REP_QUIET) |
758 |
printf("%s: unexpected end-of-file\n", |
759 |
progname); |
760 |
free(scan1); |
761 |
free(scan2); |
762 |
return(0); |
763 |
} |
764 |
for (x = 0; x < scanlen(&rs1); x++) { |
765 |
if (color_check(scan1[x], scan2[x])) |
766 |
continue; |
767 |
if (report != REP_QUIET) { |
768 |
printf("%s: pixels at scanline %d offset %d differ\n", |
769 |
progname, y, x); |
770 |
if (report >= REP_VERBOSE) { |
771 |
printf("%s: (R,G,B)=(%g,%g,%g)\n", |
772 |
f1name, colval(scan1[x],RED), |
773 |
colval(scan1[x],GRN), |
774 |
colval(scan1[x],BLU)); |
775 |
printf("%s: (R,G,B)=(%g,%g,%g)\n", |
776 |
f2name, colval(scan2[x],RED), |
777 |
colval(scan2[x],GRN), |
778 |
colval(scan2[x],BLU)); |
779 |
} |
780 |
} |
781 |
free(scan1); |
782 |
free(scan2); |
783 |
return(0); |
784 |
} |
785 |
} |
786 |
free(scan1); |
787 |
free(scan2); |
788 |
return(good_RMS()); /* final check of RMS */ |
789 |
} |
790 |
|
791 |
/* Compare two inputs that are known to be spectral images */ |
792 |
static int |
793 |
compare_spec() |
794 |
{ |
795 |
static char NCstr[] = NCOMPSTR; |
796 |
RESOLU rs1, rs2; |
797 |
COLORV *scan1, *scan2; |
798 |
const char *val; |
799 |
int x, y; |
800 |
|
801 |
if (report >= REP_VERBOSE) { |
802 |
fputs(progname, stdout); |
803 |
fputs(": comparing inputs as spectral images\n", stdout); |
804 |
} |
805 |
if (!(set_resolu(&rs1, &hdr1) || fgetsresolu(&rs1, f1in))) |
806 |
return(0); |
807 |
if (!(set_resolu(&rs2, &hdr2) || fgetsresolu(&rs2, f2in))) |
808 |
return(0); |
809 |
if (!check_resolu("Spectral image", &rs1, &rs2)) |
810 |
return(0); |
811 |
NCstr[LNCOMPSTR-1] = '\0'; |
812 |
val = (const char *)lu_find(&hdr1, NCstr)->data; |
813 |
if (!val || (NCSAMP = atoi(val)) < 3) { |
814 |
if (report != REP_QUIET) { |
815 |
if (val) |
816 |
printf("%s: illegal # components (%d) for spectral image\n", |
817 |
progname, NCSAMP); |
818 |
else |
819 |
printf("%s: missing %s in header for spectral image\n", |
820 |
progname, NCstr); |
821 |
} |
822 |
return(0); |
823 |
} |
824 |
scan1 = (COLORV *)malloc(sizeof(COLORV)*NCSAMP*scanlen(&rs1)); |
825 |
scan2 = (COLORV *)malloc(sizeof(COLORV)*NCSAMP*scanlen(&rs2)); |
826 |
if (!scan1 | !scan2) { |
827 |
fprintf(stderr, "%s: out of memory in compare_hdr()\n", progname); |
828 |
exit(2); |
829 |
} |
830 |
for (y = 0; y < numscans(&rs1); y++) { |
831 |
if ((freadsscan(scan1, NCSAMP, scanlen(&rs1), f1in) < 0) | |
832 |
(freadsscan(scan2, NCSAMP, scanlen(&rs2), f2in) < 0)) { |
833 |
if (report != REP_QUIET) |
834 |
printf("%s: unexpected end-of-file\n", progname); |
835 |
free(scan1); |
836 |
free(scan2); |
837 |
return(0); |
838 |
} |
839 |
for (x = 0; x < scanlen(&rs1); x++) { |
840 |
if (spec_check(scan1+x*NCSAMP, scan2+x*NCSAMP)) |
841 |
continue; |
842 |
if (report != REP_QUIET) { |
843 |
int k; |
844 |
printf("%s: spectra at scanline %d offset %d differ\n", |
845 |
progname, y, x); |
846 |
if (report >= REP_VERBOSE) { |
847 |
printf("%s: spectrum =", f1name); |
848 |
for (k = 0; k < NCSAMP; k++) |
849 |
printf(" %g", scan1[x*NCSAMP+k]); |
850 |
fputc('\n', stdout); |
851 |
printf("%s: spectrum =", f2name); |
852 |
for (k = 0; k < NCSAMP; k++) |
853 |
printf(" %g", scan2[x*NCSAMP+k]); |
854 |
fputc('\n', stdout); |
855 |
} |
856 |
} |
857 |
free(scan1); |
858 |
free(scan2); |
859 |
return(0); |
860 |
} |
861 |
} |
862 |
free(scan1); |
863 |
free(scan2); |
864 |
return(good_RMS()); /* final check of RMS */ |
865 |
} |
866 |
|
867 |
/* Set reference depth based on header variable */ |
868 |
static int |
869 |
set_refdepth(DEPTHCODEC *dcp, LUTAB *htp) |
870 |
{ |
871 |
static char depthvar[] = DEPTHSTR; |
872 |
const char *drval; |
873 |
|
874 |
depthvar[LDEPTHSTR-1] = '\0'; |
875 |
drval = (const char *)lu_find(htp, depthvar)->data; |
876 |
if (!drval) |
877 |
return(0); |
878 |
dcp->refdepth = atof(drval); |
879 |
if (dcp->refdepth <= 0) { |
880 |
if (report != REP_QUIET) { |
881 |
fputs(dcp->inpname, stderr); |
882 |
fputs(": bad reference depth '", stderr); |
883 |
fputs(drval, stderr); |
884 |
fputs("'\n", stderr); |
885 |
} |
886 |
return(-1); |
887 |
} |
888 |
return(1); |
889 |
} |
890 |
|
891 |
/* Compare two encoded depth maps */ |
892 |
static int |
893 |
compare_depth() |
894 |
{ |
895 |
long nread = 0; |
896 |
DEPTHCODEC dc1, dc2; |
897 |
|
898 |
if (report >= REP_VERBOSE) { |
899 |
fputs(progname, stdout); |
900 |
fputs(": comparing inputs as depth maps\n", stdout); |
901 |
} |
902 |
set_dc_defaults(&dc1); |
903 |
dc1.hdrflags = HF_RESIN; |
904 |
dc1.finp = f1in; |
905 |
dc1.inpname = f1name; |
906 |
set_dc_defaults(&dc2); |
907 |
dc2.hdrflags = HF_RESIN; |
908 |
dc2.finp = f2in; |
909 |
dc2.inpname = f2name; |
910 |
if (report != REP_QUIET) { |
911 |
dc1.hdrflags |= HF_STDERR; |
912 |
dc2.hdrflags |= HF_STDERR; |
913 |
} |
914 |
if (!process_dc_header(&dc1, 0, NULL)) |
915 |
return(0); |
916 |
if (!process_dc_header(&dc2, 0, NULL)) |
917 |
return(0); |
918 |
if (!check_resolu("Depth map", &dc1.res, &dc2.res)) |
919 |
return(0); |
920 |
if (set_refdepth(&dc1, &hdr1) < 0) |
921 |
return(0); |
922 |
if (set_refdepth(&dc2, &hdr2) < 0) |
923 |
return(0); |
924 |
while (nread < dc1.res.xr*dc1.res.yr) { |
925 |
double d1 = decode_depth_next(&dc1); |
926 |
double d2 = decode_depth_next(&dc2); |
927 |
if ((d1 < 0) | (d2 < 0)) { |
928 |
if (report != REP_QUIET) |
929 |
printf("%s: unexpected end-of-file\n", |
930 |
progname); |
931 |
return(0); |
932 |
} |
933 |
++nread; |
934 |
if (real_check(d1, d2)) |
935 |
continue; |
936 |
if (report != REP_QUIET) |
937 |
printf("%s: %ld%s depth values differ\n", |
938 |
progname, nread, num_sfx(nread)); |
939 |
return(0); |
940 |
} |
941 |
return(good_RMS()); /* final check of RMS */ |
942 |
} |
943 |
|
944 |
/* Compare two encoded normal maps */ |
945 |
static int |
946 |
compare_norm() |
947 |
{ |
948 |
long nread = 0; |
949 |
NORMCODEC nc1, nc2; |
950 |
|
951 |
if (report >= REP_VERBOSE) { |
952 |
fputs(progname, stdout); |
953 |
fputs(": comparing inputs as normal maps\n", stdout); |
954 |
} |
955 |
set_nc_defaults(&nc1); |
956 |
nc1.hdrflags = HF_RESIN; |
957 |
nc1.finp = f1in; |
958 |
nc1.inpname = f1name; |
959 |
set_nc_defaults(&nc2); |
960 |
nc2.hdrflags = HF_RESIN; |
961 |
nc2.finp = f2in; |
962 |
nc2.inpname = f2name; |
963 |
if (report != REP_QUIET) { |
964 |
nc1.hdrflags |= HF_STDERR; |
965 |
nc2.hdrflags |= HF_STDERR; |
966 |
} |
967 |
if (!process_nc_header(&nc1, 0, NULL)) |
968 |
return(0); |
969 |
if (!process_nc_header(&nc2, 0, NULL)) |
970 |
return(0); |
971 |
if (!check_resolu("Normal map", &nc1.res, &nc2.res)) |
972 |
return(0); |
973 |
while (nread < nc1.res.xr*nc1.res.yr) { |
974 |
FVECT nv1, nv2; |
975 |
int rv1 = decode_normal_next(nv1, &nc1); |
976 |
int rv2 = decode_normal_next(nv2, &nc2); |
977 |
if ((rv1 < 0) | (rv2 < 0)) { |
978 |
if (report != REP_QUIET) |
979 |
printf("%s: unexpected end-of-file\n", |
980 |
progname); |
981 |
return(0); |
982 |
} |
983 |
++nread; |
984 |
if (rv1 == rv2 && (!rv1 || norm_check(nv1, nv2))) |
985 |
continue; |
986 |
if (report != REP_QUIET) |
987 |
printf("%s: %ld%s normal vectors differ\n", |
988 |
progname, nread, num_sfx(nread)); |
989 |
return(0); |
990 |
} |
991 |
return(good_RMS()); /* final check of RMS */ |
992 |
} |
993 |
|
994 |
/* Compare two inputs that are known to be 32-bit floating-point data */ |
995 |
static int |
996 |
compare_float() |
997 |
{ |
998 |
long nread = 0; |
999 |
float f1, f2; |
1000 |
|
1001 |
if (report >= REP_VERBOSE) { |
1002 |
fputs(progname, stdout); |
1003 |
fputs(": comparing inputs as 32-bit IEEE floats\n", stdout); |
1004 |
} |
1005 |
while (getbinary(&f1, sizeof(f1), 1, f1in)) { |
1006 |
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
1007 |
goto badeof; |
1008 |
++nread; |
1009 |
if (f1swap) swap32((char *)&f1, 1); |
1010 |
if (f2swap) swap32((char *)&f2, 1); |
1011 |
if (real_check(f1, f2)) |
1012 |
continue; |
1013 |
if (report != REP_QUIET) |
1014 |
printf("%s: %ld%s float values differ\n", |
1015 |
progname, nread, num_sfx(nread)); |
1016 |
return(0); |
1017 |
} |
1018 |
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
1019 |
return(good_RMS()); /* final check of RMS */ |
1020 |
badeof: |
1021 |
if (report != REP_QUIET) |
1022 |
printf("%s: unexpected end-of-file\n", progname); |
1023 |
return(0); |
1024 |
} |
1025 |
|
1026 |
/* Compare two inputs that are known to be 64-bit floating-point data */ |
1027 |
static int |
1028 |
compare_double() |
1029 |
{ |
1030 |
long nread = 0; |
1031 |
double f1, f2; |
1032 |
|
1033 |
if (report >= REP_VERBOSE) { |
1034 |
fputs(progname, stdout); |
1035 |
fputs(": comparing inputs as 64-bit IEEE doubles\n", stdout); |
1036 |
} |
1037 |
while (getbinary(&f1, sizeof(f1), 1, f1in)) { |
1038 |
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
1039 |
goto badeof; |
1040 |
++nread; |
1041 |
if (f1swap) swap64((char *)&f1, 1); |
1042 |
if (f2swap) swap64((char *)&f2, 1); |
1043 |
if (real_check(f1, f2)) |
1044 |
continue; |
1045 |
if (report != REP_QUIET) |
1046 |
printf("%s: %ld%s double values differ\n", |
1047 |
progname, nread, num_sfx(nread)); |
1048 |
return(0); |
1049 |
} |
1050 |
if (!getbinary(&f2, sizeof(f2), 1, f2in)) |
1051 |
return(good_RMS()); /* final check of RMS */ |
1052 |
badeof: |
1053 |
if (report != REP_QUIET) |
1054 |
printf("%s: unexpected end-of-file\n", progname); |
1055 |
return(0); |
1056 |
} |
1057 |
|
1058 |
/* Compare two Radiance files for equivalence */ |
1059 |
int |
1060 |
main(int argc, char *argv[]) |
1061 |
{ |
1062 |
int typ1, typ2; |
1063 |
int a; |
1064 |
|
1065 |
progname = argv[0]; |
1066 |
for (a = 1; a < argc && argv[a][0] == '-'; a++) { |
1067 |
switch (argv[a][1]) { |
1068 |
case 'h': /* ignore header info. */ |
1069 |
ign_header = !ign_header; |
1070 |
continue; |
1071 |
case 'n': /* allow newline escapes */ |
1072 |
escape_newlines = !escape_newlines; |
1073 |
continue; |
1074 |
case 'c': /* ignore comments */ |
1075 |
comment_c = argv[a][2]; |
1076 |
continue; |
1077 |
case 's': /* silent operation */ |
1078 |
report = REP_QUIET; |
1079 |
continue; |
1080 |
case 'w': /* turn off warnings */ |
1081 |
if (report > REP_ERROR) |
1082 |
report = REP_ERROR; |
1083 |
continue; |
1084 |
case 'v': /* turn on verbose mode */ |
1085 |
report = REP_VERBOSE; |
1086 |
continue; |
1087 |
case 'm': /* maximum epsilon */ |
1088 |
max_lim = atof(argv[++a]); |
1089 |
continue; |
1090 |
case 'r': |
1091 |
if (argv[a][2] == 'e') /* relative difference */ |
1092 |
rel_min = atof(argv[++a]); |
1093 |
else if (argv[a][2] == 'm') /* RMS limit */ |
1094 |
rms_lim = atof(argv[++a]); |
1095 |
else |
1096 |
usage(); |
1097 |
continue; |
1098 |
case '\0': /* first file from stdin */ |
1099 |
f1in = stdin; |
1100 |
f1name = stdin_name; |
1101 |
break; |
1102 |
default: |
1103 |
usage(); |
1104 |
} |
1105 |
break; |
1106 |
} |
1107 |
if (a != argc-2) /* make sure of two inputs */ |
1108 |
usage(); |
1109 |
if (!strcmp(argv[a], argv[a+1])) { /* inputs are same? */ |
1110 |
if (report >= REP_WARN) |
1111 |
printf("%s: warning - identical inputs given\n", |
1112 |
progname); |
1113 |
return(0); |
1114 |
} |
1115 |
if (!f1name) f1name = argv[a]; |
1116 |
if (!f2name) f2name = argv[a+1]; |
1117 |
/* open inputs */ |
1118 |
SET_FILE_BINARY(stdin); /* in case we're using it */ |
1119 |
if (!f1in && !(f1in = fopen(f1name, "rb"))) { |
1120 |
fprintf(stderr, "%s: cannot open for reading\n", f1name); |
1121 |
return(2); |
1122 |
} |
1123 |
if (!strcmp(f2name, "-")) { |
1124 |
f2in = stdin; |
1125 |
f2name = stdin_name; |
1126 |
} else if (!(f2in = fopen(f2name, "rb"))) { |
1127 |
fprintf(stderr, "%s: cannot open for reading\n", f2name); |
1128 |
return(2); |
1129 |
} |
1130 |
/* load headers */ |
1131 |
if ((typ1 = identify_type(f1name, f1in, &hdr1)) < 0) |
1132 |
return(2); |
1133 |
if ((typ2 = identify_type(f2name, f2in, &hdr2)) < 0) |
1134 |
return(2); |
1135 |
if (typ1 != typ2) { |
1136 |
if (report != REP_QUIET) |
1137 |
printf("%s: '%s' format is %s and '%s' is %s\n", |
1138 |
progname, f1name, file_type[typ1], |
1139 |
f2name, file_type[typ2]); |
1140 |
return(1); |
1141 |
} |
1142 |
ign_header |= !has_header(typ1); /* check headers if indicated */ |
1143 |
if (!ign_header && !headers_match()) |
1144 |
return(1); |
1145 |
if (!ign_header & (report >= REP_WARN)) { |
1146 |
if (lin1cnt != lin2cnt) |
1147 |
printf("%s: warning - headers are different lengths\n", |
1148 |
progname); |
1149 |
if (typ1 == TYP_UNKNOWN) |
1150 |
printf("%s: warning - unrecognized format\n", |
1151 |
progname); |
1152 |
} |
1153 |
if (report >= REP_VERBOSE) { |
1154 |
printf("%s: data format is %s\n", progname, file_type[typ1]); |
1155 |
if ((typ1 == TYP_FLOAT) | (typ1 == TYP_DOUBLE)) { |
1156 |
if (f1swap) |
1157 |
printf("%s: input '%s' is byte-swapped\n", |
1158 |
progname, f1name); |
1159 |
if (f2swap) |
1160 |
printf("%s: input '%s' is byte-swapped\n", |
1161 |
progname, f2name); |
1162 |
} |
1163 |
} |
1164 |
switch (typ1) { /* compare based on type */ |
1165 |
case TYP_BINARY: |
1166 |
case TYP_TMESH: |
1167 |
case TYP_OCTREE: |
1168 |
case TYP_RBFMESH: |
1169 |
case TYP_ID8: |
1170 |
case TYP_ID16: |
1171 |
case TYP_ID24: |
1172 |
case TYP_UNKNOWN: |
1173 |
return( !compare_binary() ); |
1174 |
case TYP_TEXT: |
1175 |
case TYP_ASCII: |
1176 |
return( !compare_text() ); |
1177 |
case TYP_RGBE: |
1178 |
case TYP_XYZE: |
1179 |
return( !compare_hdr() ); |
1180 |
case TYP_SPEC: |
1181 |
return( !compare_spec() ); |
1182 |
case TYP_DEPTH: |
1183 |
return( !compare_depth() ); |
1184 |
case TYP_NORM: |
1185 |
return( !compare_norm() ); |
1186 |
case TYP_FLOAT: |
1187 |
return( !compare_float() ); |
1188 |
case TYP_DOUBLE: |
1189 |
return( !compare_double() ); |
1190 |
} |
1191 |
return(1); |
1192 |
} |