47 |
|
sprintf(errmsg, "cannot open picture '%s'", fname); |
48 |
|
error(SYSTEM, errmsg); |
49 |
|
} |
50 |
+ |
#ifdef getc_unlocked |
51 |
+ |
flockfile(fp); |
52 |
+ |
#endif |
53 |
|
dt = DTfromHeader; |
54 |
|
if ((err = cm_getheader(&dt, NULL, NULL, NULL, NULL, fp)) != NULL) |
55 |
|
error(USER, err); |
77 |
|
} |
78 |
|
/* flat file check */ |
79 |
|
if ((data_start = ftell(fp)) > 0 && fseek(fp, 0L, SEEK_END) == 0) { |
80 |
< |
flat_file = (ftell(fp) == data_start + sizeof(COLR)*xr*yr); |
80 |
> |
flat_file = (ftell(fp) >= data_start + sizeof(COLR)*xr*yr); |
81 |
|
if (fseek(fp, data_start, SEEK_SET) < 0) { |
82 |
|
sprintf(errmsg, "cannot seek on picture '%s'", fname); |
83 |
|
error(SYSTEM, errmsg); |
110 |
|
return(i); |
111 |
|
} |
112 |
|
|
113 |
+ |
/* adjust matrix dimensions according to user size(s) */ |
114 |
+ |
static int |
115 |
+ |
alt_dim(CMATRIX *cm, int nr, int nc) |
116 |
+ |
{ |
117 |
+ |
if ((nr <= 0) & (nc <= 0)) |
118 |
+ |
return(0); |
119 |
+ |
if ((nr == cm->nrows) & (nc == cm->ncols)) |
120 |
+ |
return(0); |
121 |
+ |
if (nr > 0) { |
122 |
+ |
if (nc <= 0) |
123 |
+ |
nc = cm->nrows*cm->ncols/nr; |
124 |
+ |
if (nr*nc != cm->nrows*cm->ncols) { |
125 |
+ |
fprintf(stderr, "Bad dimensions: %dx%d != %dx%d\n", |
126 |
+ |
nr, nc, cm->nrows, cm->ncols); |
127 |
+ |
return(-1); |
128 |
+ |
} |
129 |
+ |
} else /* nc > 0 */ { |
130 |
+ |
nr = cm->nrows*cm->ncols/nc; |
131 |
+ |
if (nc*nr != cm->nrows*cm->ncols) { |
132 |
+ |
fprintf(stderr, "Bad dimensions: %d does not divide %dx%d evenly\n", |
133 |
+ |
nc, cm->nrows, cm->ncols); |
134 |
+ |
return(-1); |
135 |
+ |
} |
136 |
+ |
} |
137 |
+ |
cm->nrows = nr; |
138 |
+ |
cm->ncols = nc; |
139 |
+ |
return(1); |
140 |
+ |
} |
141 |
+ |
|
142 |
|
/* check to see if a string contains a %d or %o specification */ |
143 |
|
static int |
144 |
|
hasNumberFormat(const char *s) |
328 |
|
const char *wtype = (outfmt==DTascii) ? "w" : "wb"; |
329 |
|
for (i = 0; i < nsteps; i++) { |
330 |
|
CMATRIX *rvec = cm_column(rmtx, i); |
331 |
< |
if (yres > 0) { |
332 |
< |
if (xres <= 0) |
301 |
< |
xres = rvec->nrows/yres; |
302 |
< |
if (xres*yres != rvec->nrows) { |
303 |
< |
fprintf(stderr, "Bad resolution: %d != %dx%d\n", |
304 |
< |
rvec->nrows, xres, yres); |
305 |
< |
return(1); |
306 |
< |
} |
307 |
< |
rvec->nrows = yres; |
308 |
< |
rvec->ncols = xres; |
309 |
< |
} else if (xres > 0) { |
310 |
< |
yres = rvec->nrows/xres; |
311 |
< |
if (xres*yres != rvec->nrows) { |
312 |
< |
fprintf(stderr, |
313 |
< |
"Bad resolution: %d does not divide %d evenly\n", |
314 |
< |
xres, rvec->nrows); |
315 |
< |
return(1); |
316 |
< |
} |
317 |
< |
rvec->nrows = yres; |
318 |
< |
rvec->ncols = xres; |
319 |
< |
} |
331 |
> |
if (alt_dim(rvec, yres, xres) < 0) |
332 |
> |
return(1); |
333 |
|
sprintf(fnbuf, ofspec, i); |
334 |
|
if ((ofp = fopen(fnbuf, wtype)) == NULL) { |
335 |
|
fprintf(stderr, |
371 |
|
#endif |
372 |
|
if (outfmt != DTascii) |
373 |
|
SET_FILE_BINARY(ofp); |
374 |
+ |
if (alt_dim(rmtx, yres, xres) < 0) |
375 |
+ |
return(1); |
376 |
|
if (headout) { /* header output */ |
377 |
|
newheader("RADIANCE", ofp); |
378 |
|
printargs(argc, argv, ofp); |