| 20 |
|
static int |
| 21 |
|
sum_images(const char *fspec, const CMATRIX *cv, FILE *fout) |
| 22 |
|
{ |
| 23 |
+ |
static int runcnt = 0; |
| 24 |
|
int myDT = DTfromHeader; |
| 25 |
|
COLR *scanline = NULL; |
| 26 |
|
CMATRIX *pmat = NULL; |
| 29 |
|
|
| 30 |
|
if (cv->ncols != 1) |
| 31 |
|
error(INTERNAL, "expected vector in sum_images()"); |
| 32 |
< |
for (i = 0; i < cv->nrows; i++) { |
| 33 |
< |
const COLORV *scv = cv_lval(cv,i); |
| 32 |
> |
for (i = cv->nrows; i-- > 0; ) { |
| 33 |
> |
const int r = runcnt&1 ? i : cv->nrows-1 - i; |
| 34 |
> |
const COLORV *scv = cv_lval(cv,r); |
| 35 |
|
int flat_file = 0; |
| 36 |
|
char fname[1024]; |
| 37 |
|
FILE *fp; |
| 41 |
|
char *err; |
| 42 |
|
/* check for zero */ |
| 43 |
|
if ((scv[RED] == 0) & (scv[GRN] == 0) & (scv[BLU] == 0) && |
| 44 |
< |
(myDT != DTfromHeader) | (i < cv->nrows-1)) |
| 44 |
> |
(myDT != DTfromHeader) | (i > 0)) |
| 45 |
|
continue; |
| 46 |
|
/* open next picture */ |
| 47 |
< |
sprintf(fname, fspec, i); |
| 47 |
> |
sprintf(fname, fspec, r); |
| 48 |
|
if ((fp = fopen(fname, "rb")) == NULL) { |
| 49 |
|
sprintf(errmsg, "cannot open picture '%s'", fname); |
| 50 |
|
error(SYSTEM, errmsg); |
| 51 |
|
} |
| 52 |
+ |
#ifdef getc_unlocked |
| 53 |
+ |
flockfile(fp); |
| 54 |
+ |
#endif |
| 55 |
|
dt = DTfromHeader; |
| 56 |
< |
if ((err = cm_getheader(&dt, NULL, NULL, fp)) != NULL) |
| 56 |
> |
if ((err = cm_getheader(&dt, NULL, NULL, NULL, NULL, fp)) != NULL) |
| 57 |
|
error(USER, err); |
| 58 |
|
if ((dt != DTrgbe) & (dt != DTxyze) || |
| 59 |
|
!fscnresolu(&xr, &yr, fp)) { |
| 69 |
|
pmat = cm_alloc(myYR, myXR); |
| 70 |
|
memset(pmat->cmem, 0, sizeof(COLOR)*myXR*myYR); |
| 71 |
|
/* finish header */ |
| 72 |
< |
fputformat((char *)cm_fmt_id[myDT], fout); |
| 72 |
> |
fputformat(cm_fmt_id[myDT], fout); |
| 73 |
|
fputc('\n', fout); |
| 74 |
|
fflush(fout); |
| 75 |
|
} else if ((dt != myDT) | (xr != myXR) | (yr != myYR)) { |
| 79 |
|
} |
| 80 |
|
/* flat file check */ |
| 81 |
|
if ((data_start = ftell(fp)) > 0 && fseek(fp, 0L, SEEK_END) == 0) { |
| 82 |
< |
flat_file = (ftell(fp) == data_start + sizeof(COLR)*xr*yr); |
| 82 |
> |
flat_file = (ftell(fp) >= data_start + sizeof(COLR)*xr*yr); |
| 83 |
|
if (fseek(fp, data_start, SEEK_SET) < 0) { |
| 84 |
|
sprintf(errmsg, "cannot seek on picture '%s'", fname); |
| 85 |
|
error(SYSTEM, errmsg); |
| 109 |
|
free(scanline); |
| 110 |
|
i = cm_write(pmat, myDT, fout); /* write picture */ |
| 111 |
|
cm_free(pmat); /* free data */ |
| 112 |
+ |
++runcnt; /* for zig-zagging */ |
| 113 |
|
return(i); |
| 114 |
|
} |
| 115 |
|
|
| 116 |
+ |
/* adjust matrix dimensions according to user size(s) */ |
| 117 |
+ |
static int |
| 118 |
+ |
alt_dim(CMATRIX *cm, int nr, int nc) |
| 119 |
+ |
{ |
| 120 |
+ |
if ((nr <= 0) & (nc <= 0)) |
| 121 |
+ |
return(0); |
| 122 |
+ |
if ((nr == cm->nrows) & (nc == cm->ncols)) |
| 123 |
+ |
return(0); |
| 124 |
+ |
if (nr > 0) { |
| 125 |
+ |
if (nc <= 0) |
| 126 |
+ |
nc = cm->nrows*cm->ncols/nr; |
| 127 |
+ |
if (nr*nc != cm->nrows*cm->ncols) { |
| 128 |
+ |
fprintf(stderr, "Bad dimensions: %dx%d != %dx%d\n", |
| 129 |
+ |
nr, nc, cm->nrows, cm->ncols); |
| 130 |
+ |
return(-1); |
| 131 |
+ |
} |
| 132 |
+ |
} else /* nc > 0 */ { |
| 133 |
+ |
nr = cm->nrows*cm->ncols/nc; |
| 134 |
+ |
if (nc*nr != cm->nrows*cm->ncols) { |
| 135 |
+ |
fprintf(stderr, "Bad dimensions: %d does not divide %dx%d evenly\n", |
| 136 |
+ |
nc, cm->nrows, cm->ncols); |
| 137 |
+ |
return(-1); |
| 138 |
+ |
} |
| 139 |
+ |
} |
| 140 |
+ |
cm->nrows = nr; |
| 141 |
+ |
cm->ncols = nc; |
| 142 |
+ |
return(1); |
| 143 |
+ |
} |
| 144 |
+ |
|
| 145 |
|
/* check to see if a string contains a %d or %o specification */ |
| 146 |
|
static int |
| 147 |
|
hasNumberFormat(const char *s) |
| 176 |
|
int nsteps = 0; |
| 177 |
|
char *ofspec = NULL; |
| 178 |
|
FILE *ofp = stdout; |
| 179 |
+ |
int xres=0, yres=0; |
| 180 |
|
CMATRIX *cmtx; /* component vector/matrix result */ |
| 181 |
|
char fnbuf[256]; |
| 182 |
|
int a, i; |
| 223 |
|
case 'a': |
| 224 |
|
outfmt = DTascii; |
| 225 |
|
break; |
| 226 |
+ |
case 'c': |
| 227 |
+ |
outfmt = DTrgbe; |
| 228 |
+ |
break; |
| 229 |
|
default: |
| 230 |
|
goto userr; |
| 231 |
|
} |
| 232 |
|
break; |
| 233 |
+ |
case 'x': |
| 234 |
+ |
xres = atoi(argv[++a]); |
| 235 |
+ |
break; |
| 236 |
+ |
case 'y': |
| 237 |
+ |
yres = atoi(argv[++a]); |
| 238 |
+ |
break; |
| 239 |
|
default: |
| 240 |
|
goto userr; |
| 241 |
|
} |
| 250 |
|
nsteps = smtx->ncols; |
| 251 |
|
/* load BSDF */ |
| 252 |
|
if (argv[a+1][0] != '!' && |
| 253 |
< |
(ccp = strrchr(argv[a+1], '.')) != NULL && |
| 253 |
> |
(ccp = strrchr(argv[a+1], '.')) > argv[a+1] && |
| 254 |
|
!strcasecmp(ccp+1, "XML")) |
| 255 |
|
Tmat = cm_loadBTDF(argv[a+1]); |
| 256 |
|
else |
| 270 |
|
} |
| 271 |
|
/* prepare output stream */ |
| 272 |
|
if ((ofspec != NULL) & (nsteps == 1) && hasNumberFormat(ofspec)) { |
| 273 |
< |
sprintf(fnbuf, ofspec, 1); |
| 273 |
> |
sprintf(fnbuf, ofspec, 0); |
| 274 |
|
ofspec = fnbuf; |
| 275 |
|
} |
| 276 |
|
if (ofspec != NULL && !hasNumberFormat(ofspec)) { |
| 281 |
|
} |
| 282 |
|
ofspec = NULL; /* only need to open once */ |
| 283 |
|
} |
| 284 |
< |
if (hasNumberFormat(argv[a])) { /* generating image(s) */ |
| 284 |
> |
if (hasNumberFormat(argv[a])) { /* loading image vector(s) */ |
| 285 |
> |
if (outfmt != DTrgbe) { |
| 286 |
> |
error(WARNING, "changing output type to -oc"); |
| 287 |
> |
outfmt = DTrgbe; |
| 288 |
> |
} |
| 289 |
|
if (ofspec == NULL) { |
| 290 |
|
SET_FILE_BINARY(ofp); |
| 291 |
|
newheader("RADIANCE", ofp); |
| 296 |
|
for (i = 0; i < nsteps; i++) { |
| 297 |
|
CMATRIX *cvec = cm_column(cmtx, i); |
| 298 |
|
if (ofspec != NULL) { |
| 299 |
< |
sprintf(fnbuf, ofspec, i+1); |
| 299 |
> |
sprintf(fnbuf, ofspec, i); |
| 300 |
|
if ((ofp = fopen(fnbuf, "wb")) == NULL) { |
| 301 |
|
fprintf(stderr, |
| 302 |
|
"%s: cannot open '%s' for output\n", |
| 307 |
|
printargs(argc, argv, ofp); |
| 308 |
|
fputnow(ofp); |
| 309 |
|
} |
| 310 |
< |
fprintf(ofp, "FRAME=%d\n", i+1); |
| 310 |
> |
fprintf(ofp, "FRAME=%d\n", i); |
| 311 |
|
if (!sum_images(argv[a], cvec, ofp)) |
| 312 |
|
return(1); |
| 313 |
|
if (ofspec != NULL) { |
| 323 |
|
} |
| 324 |
|
else if (!sum_images(argv[a], cmtx, ofp)) |
| 325 |
|
return(1); |
| 326 |
< |
} else { /* generating vector/matrix */ |
| 326 |
> |
} else { /* loading view matrix */ |
| 327 |
|
CMATRIX *Vmat = cm_load(argv[a], 0, cmtx->nrows, DTfromHeader); |
| 328 |
|
CMATRIX *rmtx = cm_multiply(Vmat, cmtx); |
| 329 |
|
cm_free(Vmat); |
| 331 |
|
const char *wtype = (outfmt==DTascii) ? "w" : "wb"; |
| 332 |
|
for (i = 0; i < nsteps; i++) { |
| 333 |
|
CMATRIX *rvec = cm_column(rmtx, i); |
| 334 |
< |
sprintf(fnbuf, ofspec, i+1); |
| 334 |
> |
if (alt_dim(rvec, yres, xres) < 0) |
| 335 |
> |
return(1); |
| 336 |
> |
sprintf(fnbuf, ofspec, i); |
| 337 |
|
if ((ofp = fopen(fnbuf, wtype)) == NULL) { |
| 338 |
|
fprintf(stderr, |
| 339 |
|
"%s: cannot open '%s' for output\n", |
| 347 |
|
newheader("RADIANCE", ofp); |
| 348 |
|
printargs(argc, argv, ofp); |
| 349 |
|
fputnow(ofp); |
| 350 |
< |
fprintf(ofp, "FRAME=%d\n", i+1); |
| 351 |
< |
fprintf(ofp, "NROWS=%d\n", rvec->nrows); |
| 352 |
< |
fputs("NCOLS=1\nNCOMP=3\n", ofp); |
| 353 |
< |
fputformat((char *)cm_fmt_id[outfmt], ofp); |
| 350 |
> |
fprintf(ofp, "FRAME=%d\n", i); |
| 351 |
> |
if ((outfmt != DTrgbe) & (outfmt != DTxyze)) { |
| 352 |
> |
fprintf(ofp, "NROWS=%d\n", rvec->nrows); |
| 353 |
> |
fprintf(ofp, "NCOLS=%d\n", rvec->ncols); |
| 354 |
> |
fputncomp(3, ofp); |
| 355 |
> |
} |
| 356 |
> |
if ((outfmt == DTfloat) | (outfmt == DTdouble)) |
| 357 |
> |
fputendian(ofp); |
| 358 |
> |
fputformat(cm_fmt_id[outfmt], ofp); |
| 359 |
|
fputc('\n', ofp); |
| 360 |
|
} |
| 361 |
|
cm_write(rvec, outfmt, ofp); |
| 374 |
|
#endif |
| 375 |
|
if (outfmt != DTascii) |
| 376 |
|
SET_FILE_BINARY(ofp); |
| 377 |
+ |
if (alt_dim(rmtx, yres, xres) < 0) |
| 378 |
+ |
return(1); |
| 379 |
|
if (headout) { /* header output */ |
| 380 |
|
newheader("RADIANCE", ofp); |
| 381 |
|
printargs(argc, argv, ofp); |
| 382 |
|
fputnow(ofp); |
| 383 |
< |
fprintf(ofp, "NROWS=%d\n", rmtx->nrows); |
| 384 |
< |
fprintf(ofp, "NCOLS=%d\n", rmtx->ncols); |
| 385 |
< |
fputs("NCOMP=3\n", ofp); |
| 386 |
< |
fputformat((char *)cm_fmt_id[outfmt], ofp); |
| 383 |
> |
if ((outfmt != DTrgbe) & (outfmt != DTxyze)) { |
| 384 |
> |
fprintf(ofp, "NROWS=%d\n", rmtx->nrows); |
| 385 |
> |
fprintf(ofp, "NCOLS=%d\n", rmtx->ncols); |
| 386 |
> |
fputncomp(3, ofp); |
| 387 |
> |
} |
| 388 |
> |
if ((outfmt == DTfloat) | (outfmt == DTdouble)) |
| 389 |
> |
fputendian(ofp); |
| 390 |
> |
fputformat(cm_fmt_id[outfmt], ofp); |
| 391 |
|
fputc('\n', ofp); |
| 392 |
|
} |
| 393 |
|
cm_write(rmtx, outfmt, ofp); |
| 401 |
|
cm_free(cmtx); |
| 402 |
|
return(0); |
| 403 |
|
userr: |
| 404 |
< |
fprintf(stderr, "Usage: %s [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] DCspec [skyf]\n", |
| 404 |
> |
fprintf(stderr, "Usage: %s [-n nsteps][-o ospec][-x xr][-y yr][-i{f|d|h}][-o{f|d|c}] DCspec [skyf]\n", |
| 405 |
|
progname); |
| 406 |
< |
fprintf(stderr, " or: %s [-n nsteps][-o ospec][-i{f|d|h}][-o{f|d}] Vspec Tbsdf Dmat.dat [skyf]\n", |
| 406 |
> |
fprintf(stderr, " or: %s [-n nsteps][-o ospec][-x xr][-y yr][-i{f|d|h}][-o{f|d|c}] Vspec Tbsdf Dmat.dat [skyf]\n", |
| 407 |
|
progname); |
| 408 |
|
return(1); |
| 409 |
|
} |