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, 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); |
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 |
+ |
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, |
348 |
|
printargs(argc, argv, ofp); |
349 |
|
fputnow(ofp); |
350 |
|
fprintf(ofp, "FRAME=%d\n", i); |
351 |
< |
fprintf(ofp, "NROWS=%d\n", rvec->nrows); |
352 |
< |
fputs("NCOLS=1\nNCOMP=3\n", ofp); |
353 |
< |
fputformat((char *)cm_fmt_id[outfmt], ofp); |
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 |
|
} |