16 |
|
#include "resolu.h" |
17 |
|
|
18 |
|
const char *cm_fmt_id[] = { |
19 |
< |
"unknown", "ascii", COLRFMT, CIEFMT, |
20 |
< |
"float", "double" |
19 |
> |
"unknown", COLRFMT, CIEFMT, |
20 |
> |
"float", "ascii", "double" |
21 |
|
}; |
22 |
|
|
23 |
|
const int cm_elem_size[] = { |
155 |
|
return(NULL); |
156 |
|
} |
157 |
|
|
158 |
+ |
/* Allocate and load image data into matrix */ |
159 |
+ |
static CMATRIX * |
160 |
+ |
cm_load_rgbe(FILE *fp, int nrows, int ncols) |
161 |
+ |
{ |
162 |
+ |
CMATRIX *cm; |
163 |
+ |
COLORV *mp; |
164 |
+ |
/* header already loaded */ |
165 |
+ |
if ((nrows <= 0) | (ncols <= 0) && !fscnresolu(&ncols, &nrows, fp)) { |
166 |
+ |
error(USER, "bad picture resolution string"); |
167 |
+ |
return(NULL); |
168 |
+ |
} |
169 |
+ |
cm = cm_alloc(nrows, ncols); |
170 |
+ |
if (!cm) |
171 |
+ |
return(NULL); |
172 |
+ |
mp = cm->cmem; |
173 |
+ |
while (nrows--) { |
174 |
+ |
if (freadscan((COLOR *)mp, ncols, fp) < 0) { |
175 |
+ |
error(USER, "error reading color picture as matrix"); |
176 |
+ |
cm_free(cm); |
177 |
+ |
return(NULL); |
178 |
+ |
} |
179 |
+ |
mp += 3*ncols; |
180 |
+ |
} /* caller closes stream */ |
181 |
+ |
return(cm); |
182 |
+ |
} |
183 |
+ |
|
184 |
|
/* Allocate and load a matrix from the given input (or stdin if NULL) */ |
185 |
|
CMATRIX * |
186 |
|
cm_load(const char *inspec, int nrows, int ncols, int dtype) |
219 |
|
case DTfloat: |
220 |
|
case DTdouble: |
221 |
|
break; |
222 |
+ |
case DTrgbe: |
223 |
+ |
case DTxyze: |
224 |
+ |
cm = cm_load_rgbe(fp, nrows, ncols); |
225 |
+ |
goto cleanup; |
226 |
|
default: |
227 |
|
error(USER, "unexpected data type in cm_load()"); |
228 |
|
} |
342 |
|
else if (dtype == DTdouble) |
343 |
|
swap64((char *)cm->cmem, 3*cm->nrows*cm->ncols); |
344 |
|
} |
345 |
+ |
cleanup: |
346 |
|
if (fp != stdin) { |
347 |
|
if (inspec[0] != '!') |
348 |
|
fclose(fp); |
359 |
|
EOFerror: |
360 |
|
sprintf(errmsg, "unexpected EOF reading %s", inspec); |
361 |
|
error(USER, errmsg); |
362 |
+ |
return(NULL); |
363 |
|
not_handled: |
364 |
|
error(INTERNAL, "unhandled data size or length in cm_load()"); |
365 |
|
return(NULL); /* gratis return */ |