| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id: radcompare.c,v 2.9 2018/10/16 16:52:05 greg Exp $";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* Compare Radiance files for significant differences
|
| 6 |
*
|
| 7 |
* G. Ward
|
| 8 |
*/
|
| 9 |
|
| 10 |
#include <stdlib.h>
|
| 11 |
#include <math.h>
|
| 12 |
#include <ctype.h>
|
| 13 |
#include "platform.h"
|
| 14 |
#include "rtio.h"
|
| 15 |
#include "resolu.h"
|
| 16 |
#include "color.h"
|
| 17 |
#include "lookup.h"
|
| 18 |
/* Reporting levels */
|
| 19 |
#define REP_QUIET 0 /* no reporting */
|
| 20 |
#define REP_ERROR 1 /* report errors only */
|
| 21 |
#define REP_WARN 2 /* report warnings as well */
|
| 22 |
#define REP_VERBOSE 3 /* verbose reporting */
|
| 23 |
|
| 24 |
int report = REP_WARN; /* reporting level */
|
| 25 |
|
| 26 |
int ign_header = 0; /* ignore header differences? */
|
| 27 |
|
| 28 |
double rel_min = 1e-5; /* positive for relative comparisons */
|
| 29 |
|
| 30 |
double rms_lim = 0.01; /* RMS difference limit */
|
| 31 |
|
| 32 |
double max_lim = 0.25; /* difference limit if non-negative */
|
| 33 |
|
| 34 |
int lin1cnt=0, lin2cnt=0; /* file line position */
|
| 35 |
|
| 36 |
const char nsuffix[10][3] = { /* 1st, 2nd, 3rd, etc. */
|
| 37 |
"th","st","nd","rd","th","th","th","th","th","th"
|
| 38 |
};
|
| 39 |
#define num_sfx(n) nsuffix[(n)%10]
|
| 40 |
|
| 41 |
/* file types */
|
| 42 |
const char *file_type[] = {
|
| 43 |
"Unrecognized",
|
| 44 |
"TEXT_generic",
|
| 45 |
"ascii",
|
| 46 |
COLRFMT,
|
| 47 |
CIEFMT,
|
| 48 |
"float",
|
| 49 |
"double",
|
| 50 |
"BSDF_RBFmesh",
|
| 51 |
"Radiance_octree",
|
| 52 |
"Radiance_tmesh",
|
| 53 |
"BINARY_unknown",
|
| 54 |
NULL /* terminator */
|
| 55 |
};
|
| 56 |
/* keep consistent with above */
|
| 57 |
enum {TYP_UNKNOWN, TYP_TEXT, TYP_ASCII, TYP_RGBE, TYP_XYZE, TYP_FLOAT,
|
| 58 |
TYP_DOUBLE, TYP_RBFMESH, TYP_OCTREE, TYP_TMESH, TYP_BINARY};
|
| 59 |
|
| 60 |
#define has_header(t) (!( 1L<<(t) & (1L<<TYP_TEXT | 1L<<TYP_BINARY) ))
|
| 61 |
|
| 62 |
/* header variables to always ignore */
|
| 63 |
const char *hdr_ignkey[] = {
|
| 64 |
"SOFTWARE",
|
| 65 |
"CAPDATE",
|
| 66 |
"GMT",
|
| 67 |
NULL /* terminator */
|
| 68 |
};
|
| 69 |
/* header variable settings */
|
| 70 |
LUTAB hdr1 = LU_SINIT(free,free);
|
| 71 |
LUTAB hdr2 = LU_SINIT(free,free);
|
| 72 |
|
| 73 |
/* advance appropriate file line count */
|
| 74 |
#define adv_linecnt(htp) (lin1cnt += (htp == &hdr1), \
|
| 75 |
lin2cnt += (htp == &hdr2))
|
| 76 |
|
| 77 |
/* input files */
|
| 78 |
char *progname = NULL;
|
| 79 |
const char stdin_name[] = "<stdin>";
|
| 80 |
const char *f1name=NULL, *f2name=NULL;
|
| 81 |
FILE *f1in=NULL, *f2in=NULL;
|
| 82 |
|
| 83 |
/* running real differences */
|
| 84 |
double diff2sum = 0;
|
| 85 |
long nsum = 0;
|
| 86 |
|
| 87 |
/* Report usage and exit */
|
| 88 |
static void
|
| 89 |
usage()
|
| 90 |
{
|
| 91 |
fputs("Usage: ", stderr);
|
| 92 |
fputs(progname, stderr);
|
| 93 |
fputs(" [-h][-s|-w|-v][-rel min_test][-rms epsilon][-max epsilon] reference test\n",
|
| 94 |
stderr);
|
| 95 |
exit(2);
|
| 96 |
}
|
| 97 |
|
| 98 |
/* Get type ID from name (or 0 if not found) */
|
| 99 |
static int
|
| 100 |
xlate_type(const char *nm)
|
| 101 |
{
|
| 102 |
int i;
|
| 103 |
|
| 104 |
if (!nm || !*nm)
|
| 105 |
return(TYP_UNKNOWN);
|
| 106 |
for (i = 1; file_type[i]; i++)
|
| 107 |
if (!strcmp(nm, file_type[i]))
|
| 108 |
return(i);
|
| 109 |
return(TYP_UNKNOWN);
|
| 110 |
}
|
| 111 |
|
| 112 |
/* Compare real values and keep track of differences */
|
| 113 |
static int
|
| 114 |
real_check(double r1, double r2)
|
| 115 |
{
|
| 116 |
double diff2 = (r1 - r2)*(r1 - r2);
|
| 117 |
|
| 118 |
if (rel_min > 0) { /* doing relative differences? */
|
| 119 |
double av2 = .25*(r1*r1 + 2.*fabs(r1*r2) + r2*r2);
|
| 120 |
if (av2 > rel_min*rel_min)
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| 121 |
diff2 /= av2;
|
| 122 |
}
|
| 123 |
if (max_lim >= 0 && diff2 > max_lim*max_lim) {
|
| 124 |
if (report != REP_QUIET)
|
| 125 |
printf(
|
| 126 |
"%s: %sdifference between %.8g and %.8g exceeds epsilon of %.8g\n",
|
| 127 |
progname,
|
| 128 |
(rel_min > 0) ? "relative " : "",
|
| 129 |
r1, r2, max_lim);
|
| 130 |
return(0);
|
| 131 |
}
|
| 132 |
diff2sum += diff2;
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| 133 |
nsum++;
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| 134 |
return(1);
|
| 135 |
}
|
| 136 |
|
| 137 |
/* Compare two color values for equivalence */
|
| 138 |
static int
|
| 139 |
color_check(COLOR c1, COLOR c2)
|
| 140 |
{
|
| 141 |
int p;
|
| 142 |
|
| 143 |
if (!real_check(colval(c1,RED)+colval(c1,GRN)+colval(c1,BLU)*(1./3.),
|
| 144 |
colval(c2,RED)+colval(c2,GRN)+colval(c2,BLU))*(1./3.))
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| 145 |
return(0);
|
| 146 |
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| 147 |
p = (colval(c1,GRN) > colval(c1,RED)) ? GRN : RED;
|
| 148 |
if (colval(c1,BLU) > colval(c1,p)) p = BLU;
|
| 149 |
|
| 150 |
return(real_check(colval(c1,p), colval(c2,p)));
|
| 151 |
}
|
| 152 |
|
| 153 |
/* Compare two strings for equivalence */
|
| 154 |
static int
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| 155 |
equiv_string(char *s1, char *s2)
|
| 156 |
{
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| 157 |
#define CLS_STR 0
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| 158 |
#define CLS_INT 1
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| 159 |
#define CLS_FLT 2
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| 160 |
/* skip whitespace at beginning */
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| 161 |
while (isspace(*s1)) s1++;
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| 162 |
while (isspace(*s2)) s2++;
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| 163 |
while (*s1) { /* check each word */
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| 164 |
int inquote;
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| 165 |
if (!*s2) /* unexpected EOL in s2? */
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| 166 |
return(0);
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| 167 |
inquote = *s1;
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| 168 |
if ((inquote != '\'') & (inquote != '"'))
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| 169 |
inquote = 0;
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| 170 |
if (inquote) { /* quoted text must match exactly */
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| 171 |
if (*s1++ != *s2++)
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| 172 |
return(0);
|
| 173 |
while (*s1 != inquote) {
|
| 174 |
if (!*s1)
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| 175 |
return(0);
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| 176 |
if (*s1++ != *s2++)
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| 177 |
return(0);
|
| 178 |
}
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| 179 |
s1++;
|
| 180 |
if (*s2++ != inquote)
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| 181 |
return(0);
|
| 182 |
} else { /* else classify word type */
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| 183 |
char *s1s = s1;
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| 184 |
char *s2s = s2;
|
| 185 |
int cls = CLS_STR;
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| 186 |
s1 = sskip(s1);
|
| 187 |
s2 = sskip(s2);
|
| 188 |
if (iskip(s1s) == s1) {
|
| 189 |
if (iskip(s2s) == s2)
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| 190 |
cls = CLS_INT;
|
| 191 |
else if (fskip(s2s) == s2)
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| 192 |
cls = CLS_FLT;
|
| 193 |
} else if (fskip(s1s) == s1) {
|
| 194 |
if (fskip(s2s) != s2)
|
| 195 |
return(0);
|
| 196 |
cls = CLS_FLT;
|
| 197 |
}
|
| 198 |
switch (cls) {
|
| 199 |
case CLS_INT: /* strncmp() faster */
|
| 200 |
case CLS_STR:
|
| 201 |
if (s1 - s1s != s2 - s2s)
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| 202 |
return(0);
|
| 203 |
if (strncmp(s1s, s2s, s1 - s1s))
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| 204 |
return(0);
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| 205 |
break;
|
| 206 |
case CLS_FLT:
|
| 207 |
if (!real_check(atof(s1s), atof(s2s)))
|
| 208 |
return(0);
|
| 209 |
break;
|
| 210 |
}
|
| 211 |
}
|
| 212 |
while (isspace(*s1)) s1++;
|
| 213 |
while (isspace(*s2)) s2++;
|
| 214 |
}
|
| 215 |
return(!*s2); /* match if we reached the end of s2, too */
|
| 216 |
#undef CLS_STR
|
| 217 |
#undef CLS_INT
|
| 218 |
#undef CLS_FLT
|
| 219 |
}
|
| 220 |
|
| 221 |
/* Check if string is var=value pair and set if not in ignore list */
|
| 222 |
static int
|
| 223 |
setheadvar(char *val, void *p)
|
| 224 |
{
|
| 225 |
LUTAB *htp = (LUTAB *)p;
|
| 226 |
LUENT *tep;
|
| 227 |
char *key;
|
| 228 |
int kln, vln;
|
| 229 |
int n;
|
| 230 |
|
| 231 |
adv_linecnt(htp); /* side-effect is to count lines */
|
| 232 |
if (!isalpha(*val)) /* key must start line */
|
| 233 |
return(0);
|
| 234 |
key = val++;
|
| 235 |
while (*val && !isspace(*val) & (*val != '='))
|
| 236 |
val++;
|
| 237 |
kln = val - key;
|
| 238 |
while (isspace(*val)) /* check for value */
|
| 239 |
*val++ = '\0';
|
| 240 |
if (*val != '=')
|
| 241 |
return(0);
|
| 242 |
*val++ = '\0';
|
| 243 |
while (isspace(*val))
|
| 244 |
val++;
|
| 245 |
if (!*val) /* nothing set? */
|
| 246 |
return(0);
|
| 247 |
/* check if key to ignore */
|
| 248 |
for (n = 0; hdr_ignkey[n]; n++)
|
| 249 |
if (!strcmp(key, hdr_ignkey[n]))
|
| 250 |
return(0);
|
| 251 |
vln = strlen(val); /* eliminate space and newline at end */
|
| 252 |
while (isspace(val[--vln]))
|
| 253 |
;
|
| 254 |
val[++vln] = '\0';
|
| 255 |
if (!(tep = lu_find(htp, key)))
|
| 256 |
return(-1); /* memory allocation error */
|
| 257 |
if (!tep->key)
|
| 258 |
tep->key = strcpy(malloc(kln+1), key);
|
| 259 |
if (tep->data)
|
| 260 |
free(tep->data);
|
| 261 |
tep->data = strcpy(malloc(vln+1), val);
|
| 262 |
return(1);
|
| 263 |
}
|
| 264 |
|
| 265 |
/* Lookup correspondent in other header */
|
| 266 |
static int
|
| 267 |
match_val(const LUENT *ep1, void *p2)
|
| 268 |
{
|
| 269 |
const LUENT *ep2 = lu_find((LUTAB *)p2, ep1->key);
|
| 270 |
if (!ep2 || !ep2->data) {
|
| 271 |
if (report != REP_QUIET)
|
| 272 |
printf("%s: variable '%s' missing in '%s'\n",
|
| 273 |
progname, ep1->key, f2name);
|
| 274 |
return(-1);
|
| 275 |
}
|
| 276 |
if (!equiv_string((char *)ep1->data, (char *)ep2->data)) {
|
| 277 |
if (report != REP_QUIET) {
|
| 278 |
printf("%s: header variable '%s' has different values\n",
|
| 279 |
progname, ep1->key);
|
| 280 |
if (report >= REP_VERBOSE) {
|
| 281 |
printf("%s: %s=%s\n", f1name,
|
| 282 |
ep1->key, (char *)ep1->data);
|
| 283 |
printf("%s: %s=%s\n", f2name,
|
| 284 |
ep2->key, (char *)ep2->data);
|
| 285 |
}
|
| 286 |
}
|
| 287 |
return(-1);
|
| 288 |
}
|
| 289 |
return(1); /* good match */
|
| 290 |
}
|
| 291 |
|
| 292 |
/* Compare two sets of header variables */
|
| 293 |
static int
|
| 294 |
headers_match()
|
| 295 |
{
|
| 296 |
int ne = lu_doall(&hdr1, match_val, &hdr2);
|
| 297 |
if (ne < 0)
|
| 298 |
return(0); /* something didn't match! */
|
| 299 |
/* non-fatal if second header has extra */
|
| 300 |
if (report >= REP_WARN && (ne = lu_doall(&hdr2, NULL, NULL) - ne))
|
| 301 |
printf("%s: warning - '%s' has %d extra header setting(s)\n",
|
| 302 |
progname, f2name, ne);
|
| 303 |
return(1); /* good match */
|
| 304 |
}
|
| 305 |
|
| 306 |
/* Check generic input to determine if it is binary, -1 on error */
|
| 307 |
static int
|
| 308 |
input_is_binary(FILE *fin)
|
| 309 |
{
|
| 310 |
int n = 0;
|
| 311 |
int c = 0;
|
| 312 |
|
| 313 |
while ((c = getc(fin)) != EOF) {
|
| 314 |
++n;
|
| 315 |
if (!c | (c > 127))
|
| 316 |
break; /* non-ascii character */
|
| 317 |
if (n >= 10240)
|
| 318 |
break; /* enough to be confident */
|
| 319 |
}
|
| 320 |
if (!n)
|
| 321 |
return(-1); /* first read failed */
|
| 322 |
if (fseek(fin, 0L, 0) < 0)
|
| 323 |
return(-1); /* rewind failed */
|
| 324 |
return(!c | (c > 127));
|
| 325 |
}
|
| 326 |
|
| 327 |
/* Identify and return data type from header (if one) */
|
| 328 |
static int
|
| 329 |
identify_type(const char *name, FILE *fin, LUTAB *htp)
|
| 330 |
{
|
| 331 |
extern const char HDRSTR[];
|
| 332 |
int c;
|
| 333 |
/* check magic header start */
|
| 334 |
if ((c = getc(fin)) != HDRSTR[0]) {
|
| 335 |
if (c == EOF) goto badeof;
|
| 336 |
ungetc(c, fin);
|
| 337 |
c = 0;
|
| 338 |
} else if ((c = getc(fin)) != HDRSTR[1]) {
|
| 339 |
if (c == EOF) goto badeof;
|
| 340 |
ungetc(c, fin); ungetc(HDRSTR[0], fin);
|
| 341 |
c = 0;
|
| 342 |
}
|
| 343 |
if (c) { /* appears to have a header */
|
| 344 |
char sbuf[32];
|
| 345 |
if (!fgets(sbuf, sizeof(sbuf), fin))
|
| 346 |
goto badeof;
|
| 347 |
adv_linecnt(htp); /* for #?ID string */
|
| 348 |
if (report >= REP_WARN && strncmp(sbuf, "RADIANCE", 8)) {
|
| 349 |
fputs(name, stdout);
|
| 350 |
fputs(": warning - unexpected header ID: ", stdout);
|
| 351 |
fputs(sbuf, stdout);
|
| 352 |
}
|
| 353 |
if (getheader(fin, setheadvar, htp) < 0) {
|
| 354 |
fputs(name, stderr);
|
| 355 |
fputs(": unknown error reading header\n", stderr);
|
| 356 |
return(-1);
|
| 357 |
}
|
| 358 |
adv_linecnt(htp); /* for trailing emtpy line */
|
| 359 |
return(xlate_type((const char *)lu_find(htp,"FORMAT")->data));
|
| 360 |
}
|
| 361 |
c = input_is_binary(fin); /* else peek to see if binary */
|
| 362 |
if (c < 0) {
|
| 363 |
fputs(name, stderr);
|
| 364 |
fputs(": read/seek error\n", stderr);
|
| 365 |
return(-1);
|
| 366 |
}
|
| 367 |
if (c)
|
| 368 |
return(TYP_BINARY);
|
| 369 |
SET_FILE_TEXT(fin); /* originally set to binary */
|
| 370 |
return(TYP_TEXT);
|
| 371 |
badeof:
|
| 372 |
if (report != REP_QUIET) {
|
| 373 |
fputs(name, stdout);
|
| 374 |
fputs(": unexpected end-of-file\n", stdout);
|
| 375 |
}
|
| 376 |
return(-1);
|
| 377 |
}
|
| 378 |
|
| 379 |
/* Check that overall RMS error is below threshold */
|
| 380 |
static int
|
| 381 |
good_RMS()
|
| 382 |
{
|
| 383 |
if (!nsum)
|
| 384 |
return(1);
|
| 385 |
if (diff2sum/(double)nsum > rms_lim*rms_lim) {
|
| 386 |
if (report != REP_QUIET)
|
| 387 |
printf(
|
| 388 |
"%s: %sRMS difference between '%s' and '%s' of %.5g exceeds limit of %.5g\n",
|
| 389 |
progname,
|
| 390 |
(rel_min > 0) ? "relative " : "",
|
| 391 |
f1name, f2name,
|
| 392 |
sqrt(diff2sum/(double)nsum), rms_lim);
|
| 393 |
return(0);
|
| 394 |
}
|
| 395 |
if (report >= REP_VERBOSE)
|
| 396 |
printf("%s: %sRMS difference of reals in '%s' and '%s' is %.5g\n",
|
| 397 |
progname, (rel_min > 0) ? "relative " : "",
|
| 398 |
f1name, f2name, sqrt(diff2sum/(double)nsum));
|
| 399 |
return(1);
|
| 400 |
}
|
| 401 |
|
| 402 |
/* Compare two inputs as generic binary files */
|
| 403 |
static int
|
| 404 |
compare_binary()
|
| 405 |
{
|
| 406 |
int c1=0, c2=0;
|
| 407 |
|
| 408 |
if (report >= REP_VERBOSE) {
|
| 409 |
fputs(progname, stdout);
|
| 410 |
fputs(": comparing inputs as binary\n", stdout);
|
| 411 |
}
|
| 412 |
for ( ; ; ) { /* exact byte matching */
|
| 413 |
c1 = getc(f1in);
|
| 414 |
c2 = getc(f2in);
|
| 415 |
if (c1 == EOF) {
|
| 416 |
if (c2 == EOF)
|
| 417 |
return(1); /* success! */
|
| 418 |
if (report != REP_QUIET) {
|
| 419 |
fputs(f1name, stdout);
|
| 420 |
fputs(": unexpected end-of-file\n", stdout);
|
| 421 |
}
|
| 422 |
return(0);
|
| 423 |
}
|
| 424 |
if (c2 == EOF) {
|
| 425 |
if (report != REP_QUIET) {
|
| 426 |
fputs(f2name, stdout);
|
| 427 |
fputs(": unexpected end-of-file\n", stdout);
|
| 428 |
}
|
| 429 |
return(0);
|
| 430 |
}
|
| 431 |
if (c1 != c2)
|
| 432 |
break; /* quit and report difference */
|
| 433 |
}
|
| 434 |
if (report == REP_QUIET)
|
| 435 |
return(0);
|
| 436 |
printf("%s: binary files '%s' and '%s' differ at byte offset %ld|%ld\n",
|
| 437 |
progname, f1name, f2name, ftell(f1in), ftell(f2in));
|
| 438 |
if (report >= REP_VERBOSE)
|
| 439 |
printf("%s: byte in '%s' is 0x%X, byte in '%s' is 0x%X\n",
|
| 440 |
progname, f1name, c1, f2name, c2);
|
| 441 |
return(0);
|
| 442 |
}
|
| 443 |
|
| 444 |
/* Compare two inputs as generic text files */
|
| 445 |
static int
|
| 446 |
compare_text()
|
| 447 |
{
|
| 448 |
char l1buf[4096], l2buf[4096];
|
| 449 |
|
| 450 |
if (report >= REP_VERBOSE) {
|
| 451 |
fputs(progname, stdout);
|
| 452 |
fputs(": comparing inputs as ASCII text\n", stdout);
|
| 453 |
}
|
| 454 |
/* compare a line at a time */
|
| 455 |
while (fgets(l1buf, sizeof(l1buf), f1in)) {
|
| 456 |
lin1cnt++;
|
| 457 |
if (!*sskip2(l1buf,0))
|
| 458 |
continue; /* ignore empty lines */
|
| 459 |
while (fgets(l2buf, sizeof(l2buf), f2in)) {
|
| 460 |
lin2cnt++;
|
| 461 |
if (*sskip2(l2buf,0))
|
| 462 |
break; /* found other non-empty line */
|
| 463 |
}
|
| 464 |
if (feof(f2in)) {
|
| 465 |
if (report != REP_QUIET) {
|
| 466 |
fputs(f2name, stdout);
|
| 467 |
fputs(": unexpected end-of-file\n", stdout);
|
| 468 |
}
|
| 469 |
return(0);
|
| 470 |
}
|
| 471 |
/* compare non-empty lines */
|
| 472 |
if (!equiv_string(l1buf, l2buf)) {
|
| 473 |
if (report != REP_QUIET) {
|
| 474 |
printf("%s: inputs '%s' and '%s' differ at line %d|%d\n",
|
| 475 |
progname, f1name, f2name,
|
| 476 |
lin1cnt, lin2cnt);
|
| 477 |
if (report >= REP_VERBOSE) {
|
| 478 |
fputs("------------- Mismatch -------------\n", stdout);
|
| 479 |
printf("%s@%d:\t%s", f1name,
|
| 480 |
lin1cnt, l1buf);
|
| 481 |
printf("%s@%d:\t%s", f2name,
|
| 482 |
lin2cnt, l2buf);
|
| 483 |
}
|
| 484 |
}
|
| 485 |
return(0);
|
| 486 |
}
|
| 487 |
}
|
| 488 |
/* check for EOF on input 2 */
|
| 489 |
while (fgets(l2buf, sizeof(l2buf), f2in)) {
|
| 490 |
if (!*sskip2(l2buf,0))
|
| 491 |
continue;
|
| 492 |
if (report != REP_QUIET) {
|
| 493 |
fputs(f1name, stdout);
|
| 494 |
fputs(": unexpected end-of-file\n", stdout);
|
| 495 |
}
|
| 496 |
return(0);
|
| 497 |
}
|
| 498 |
return(good_RMS()); /* final check for reals */
|
| 499 |
}
|
| 500 |
|
| 501 |
/* Compare two inputs that are known to be RGBE or XYZE images */
|
| 502 |
static int
|
| 503 |
compare_hdr()
|
| 504 |
{
|
| 505 |
RESOLU rs1, rs2;
|
| 506 |
COLOR *scan1, *scan2;
|
| 507 |
int x, y;
|
| 508 |
|
| 509 |
if (report >= REP_VERBOSE) {
|
| 510 |
fputs(progname, stdout);
|
| 511 |
fputs(": comparing inputs as HDR images\n", stdout);
|
| 512 |
}
|
| 513 |
fgetsresolu(&rs1, f1in);
|
| 514 |
fgetsresolu(&rs2, f2in);
|
| 515 |
if (rs1.rt != rs2.rt) {
|
| 516 |
if (report != REP_QUIET)
|
| 517 |
printf(
|
| 518 |
"%s: Images '%s' and '%s' have different pixel ordering\n",
|
| 519 |
progname, f1name, f2name);
|
| 520 |
return(0);
|
| 521 |
}
|
| 522 |
if ((rs1.xr != rs2.xr) | (rs1.yr != rs2.yr)) {
|
| 523 |
if (report != REP_QUIET)
|
| 524 |
printf(
|
| 525 |
"%s: Images '%s' and '%s' are different sizes\n",
|
| 526 |
progname, f1name, f2name);
|
| 527 |
return(0);
|
| 528 |
}
|
| 529 |
scan1 = (COLOR *)malloc(scanlen(&rs1)*sizeof(COLOR));
|
| 530 |
scan2 = (COLOR *)malloc(scanlen(&rs2)*sizeof(COLOR));
|
| 531 |
if (!scan1 | !scan2) {
|
| 532 |
fprintf(stderr, "%s: out of memory in compare_hdr()\n", progname);
|
| 533 |
exit(2);
|
| 534 |
}
|
| 535 |
for (y = 0; y < numscans(&rs1); y++) {
|
| 536 |
if ((freadscan(scan1, scanlen(&rs1), f1in) < 0) |
|
| 537 |
(freadscan(scan2, scanlen(&rs2), f2in) < 0)) {
|
| 538 |
if (report != REP_QUIET)
|
| 539 |
printf("%s: unexpected end-of-file\n",
|
| 540 |
progname);
|
| 541 |
free(scan1);
|
| 542 |
free(scan2);
|
| 543 |
return(0);
|
| 544 |
}
|
| 545 |
for (x = 0; x < scanlen(&rs1); x++) {
|
| 546 |
if (color_check(scan1[x], scan2[x]))
|
| 547 |
continue;
|
| 548 |
if (report != REP_QUIET) {
|
| 549 |
printf(
|
| 550 |
"%s: pixels at scanline %d offset %d differ\n",
|
| 551 |
progname, y, x);
|
| 552 |
if (report >= REP_VERBOSE) {
|
| 553 |
printf("%s: (R,G,B)=(%g,%g,%g)\n",
|
| 554 |
f1name, colval(scan1[x],RED),
|
| 555 |
colval(scan1[x],GRN),
|
| 556 |
colval(scan1[x],BLU));
|
| 557 |
printf("%s: (R,G,B)=(%g,%g,%g)\n",
|
| 558 |
f2name, colval(scan2[x],RED),
|
| 559 |
colval(scan2[x],GRN),
|
| 560 |
colval(scan2[x],BLU));
|
| 561 |
}
|
| 562 |
}
|
| 563 |
free(scan1);
|
| 564 |
free(scan2);
|
| 565 |
return(0);
|
| 566 |
}
|
| 567 |
}
|
| 568 |
free(scan1);
|
| 569 |
free(scan2);
|
| 570 |
return(good_RMS()); /* final check of RMS */
|
| 571 |
}
|
| 572 |
|
| 573 |
/* Compare two inputs that are known to be 32-bit floating-point data */
|
| 574 |
static int
|
| 575 |
compare_float()
|
| 576 |
{
|
| 577 |
long nread = 0;
|
| 578 |
float f1, f2;
|
| 579 |
|
| 580 |
if (report >= REP_VERBOSE) {
|
| 581 |
fputs(progname, stdout);
|
| 582 |
fputs(": comparing inputs as 32-bit IEEE floats\n", stdout);
|
| 583 |
}
|
| 584 |
while (getbinary(&f1, sizeof(f1), 1, f1in)) {
|
| 585 |
if (!getbinary(&f2, sizeof(f2), 1, f2in))
|
| 586 |
goto badeof;
|
| 587 |
++nread;
|
| 588 |
if (real_check(f1, f2))
|
| 589 |
continue;
|
| 590 |
if (report != REP_QUIET)
|
| 591 |
printf("%s: %ld%s float values differ\n",
|
| 592 |
progname, nread, num_sfx(nread));
|
| 593 |
return(0);
|
| 594 |
}
|
| 595 |
if (!getbinary(&f2, sizeof(f2), 1, f2in))
|
| 596 |
return(good_RMS()); /* final check of RMS */
|
| 597 |
badeof:
|
| 598 |
if (report != REP_QUIET)
|
| 599 |
printf("%s: unexpected end-of-file\n", progname);
|
| 600 |
return(0);
|
| 601 |
}
|
| 602 |
|
| 603 |
/* Compare two inputs that are known to be 64-bit floating-point data */
|
| 604 |
static int
|
| 605 |
compare_double()
|
| 606 |
{
|
| 607 |
long nread = 0;
|
| 608 |
double f1, f2;
|
| 609 |
|
| 610 |
if (report >= REP_VERBOSE) {
|
| 611 |
fputs(progname, stdout);
|
| 612 |
fputs(": comparing inputs as 64-bit IEEE doubles\n", stdout);
|
| 613 |
}
|
| 614 |
while (getbinary(&f1, sizeof(f1), 1, f1in)) {
|
| 615 |
if (!getbinary(&f2, sizeof(f2), 1, f2in))
|
| 616 |
goto badeof;
|
| 617 |
++nread;
|
| 618 |
if (real_check(f1, f2))
|
| 619 |
continue;
|
| 620 |
if (report != REP_QUIET)
|
| 621 |
printf("%s: %ld%s double values differ\n",
|
| 622 |
progname, nread, num_sfx(nread));
|
| 623 |
return(0);
|
| 624 |
}
|
| 625 |
if (!getbinary(&f2, sizeof(f2), 1, f2in))
|
| 626 |
return(good_RMS()); /* final check of RMS */
|
| 627 |
badeof:
|
| 628 |
if (report != REP_QUIET)
|
| 629 |
printf("%s: unexpected end-of-file\n", progname);
|
| 630 |
return(0);
|
| 631 |
}
|
| 632 |
|
| 633 |
/* Compare two Radiance files for equivalence */
|
| 634 |
int
|
| 635 |
main(int argc, char *argv[])
|
| 636 |
{
|
| 637 |
int typ1, typ2;
|
| 638 |
int a;
|
| 639 |
|
| 640 |
progname = argv[0];
|
| 641 |
for (a = 1; a < argc && argv[a][0] == '-'; a++) {
|
| 642 |
switch (argv[a][1]) {
|
| 643 |
case 'h': /* ignore header info. */
|
| 644 |
ign_header = !ign_header;
|
| 645 |
continue;
|
| 646 |
case 's': /* silent operation */
|
| 647 |
report = REP_QUIET;
|
| 648 |
continue;
|
| 649 |
case 'w': /* turn off warnings */
|
| 650 |
if (report > REP_ERROR)
|
| 651 |
report = REP_ERROR;
|
| 652 |
continue;
|
| 653 |
case 'v': /* turn on verbose mode */
|
| 654 |
report = REP_VERBOSE;
|
| 655 |
continue;
|
| 656 |
case 'm': /* maximum epsilon */
|
| 657 |
max_lim = atof(argv[++a]);
|
| 658 |
continue;
|
| 659 |
case 'r':
|
| 660 |
if (argv[a][2] == 'e') /* relative difference */
|
| 661 |
rel_min = atof(argv[++a]);
|
| 662 |
else if (argv[a][2] == 'm') /* RMS limit */
|
| 663 |
rms_lim = atof(argv[++a]);
|
| 664 |
else
|
| 665 |
usage();
|
| 666 |
continue;
|
| 667 |
case '\0': /* first file from stdin */
|
| 668 |
f1in = stdin;
|
| 669 |
f1name = stdin_name;
|
| 670 |
break;
|
| 671 |
default:
|
| 672 |
usage();
|
| 673 |
}
|
| 674 |
break;
|
| 675 |
}
|
| 676 |
if (a != argc-2) /* make sure of two inputs */
|
| 677 |
usage();
|
| 678 |
if (!strcmp(argv[a], argv[a+1])) { /* inputs are same? */
|
| 679 |
if (report >= REP_WARN)
|
| 680 |
printf("%s: warning - identical inputs given\n",
|
| 681 |
progname);
|
| 682 |
return(0);
|
| 683 |
}
|
| 684 |
if (!f1name) f1name = argv[a];
|
| 685 |
if (!f2name) f2name = argv[a+1];
|
| 686 |
/* open inputs */
|
| 687 |
SET_FILE_BINARY(stdin); /* in case we're using it */
|
| 688 |
if (!f1in && !(f1in = fopen(f1name, "rb"))) {
|
| 689 |
fprintf(stderr, "%s: cannot open for reading\n", f1name);
|
| 690 |
return(2);
|
| 691 |
}
|
| 692 |
if (!strcmp(f2name, "-")) {
|
| 693 |
f2in = stdin;
|
| 694 |
f2name = stdin_name;
|
| 695 |
} else if (!(f2in = fopen(f2name, "rb"))) {
|
| 696 |
fprintf(stderr, "%s: cannot open for reading\n", f2name);
|
| 697 |
return(2);
|
| 698 |
}
|
| 699 |
/* load headers */
|
| 700 |
if ((typ1 = identify_type(f1name, f1in, &hdr1)) < 0)
|
| 701 |
return(2);
|
| 702 |
if ((typ2 = identify_type(f2name, f2in, &hdr2)) < 0)
|
| 703 |
return(2);
|
| 704 |
if (typ1 != typ2) {
|
| 705 |
if (report != REP_QUIET)
|
| 706 |
printf("%s: '%s' is %s and '%s' is %s\n",
|
| 707 |
progname, f1name, file_type[typ1],
|
| 708 |
f2name, file_type[typ2]);
|
| 709 |
return(1);
|
| 710 |
}
|
| 711 |
ign_header |= !has_header(typ1); /* check headers if indicated */
|
| 712 |
if (!ign_header && !headers_match())
|
| 713 |
return(1);
|
| 714 |
lu_done(&hdr1); lu_done(&hdr2);
|
| 715 |
if (!ign_header & (report >= REP_WARN)) {
|
| 716 |
if (typ1 == TYP_UNKNOWN)
|
| 717 |
printf("%s: warning - unrecognized format, comparing as binary\n",
|
| 718 |
progname);
|
| 719 |
if (lin1cnt != lin2cnt)
|
| 720 |
printf("%s: warning - headers are different lengths\n",
|
| 721 |
progname);
|
| 722 |
}
|
| 723 |
if (report >= REP_VERBOSE)
|
| 724 |
printf("%s: input file type is %s\n",
|
| 725 |
progname, file_type[typ1]);
|
| 726 |
|
| 727 |
switch (typ1) { /* compare based on type */
|
| 728 |
case TYP_BINARY:
|
| 729 |
case TYP_TMESH:
|
| 730 |
case TYP_OCTREE:
|
| 731 |
case TYP_RBFMESH:
|
| 732 |
case TYP_UNKNOWN:
|
| 733 |
return( !compare_binary() );
|
| 734 |
case TYP_TEXT:
|
| 735 |
case TYP_ASCII:
|
| 736 |
return( !compare_text() );
|
| 737 |
case TYP_RGBE:
|
| 738 |
case TYP_XYZE:
|
| 739 |
return( !compare_hdr() );
|
| 740 |
case TYP_FLOAT:
|
| 741 |
return( !compare_float() );
|
| 742 |
case TYP_DOUBLE:
|
| 743 |
return( !compare_double() );
|
| 744 |
}
|
| 745 |
return(1);
|
| 746 |
}
|
