| 11 |
|
#include "standard.h" |
| 12 |
|
#include "cmatrix.h" |
| 13 |
|
#include "platform.h" |
| 14 |
+ |
#include "resolu.h" |
| 15 |
|
|
| 16 |
+ |
const char *cm_fmt_id[] = { |
| 17 |
+ |
"unknown", "ascii", "float", "double", |
| 18 |
+ |
COLRFMT, CIEFMT |
| 19 |
+ |
}; |
| 20 |
+ |
|
| 21 |
+ |
const int cm_elem_size[] = { |
| 22 |
+ |
0, 0, 3*sizeof(float), 3*sizeof(double), 4, 4 |
| 23 |
+ |
}; |
| 24 |
+ |
|
| 25 |
|
/* Allocate a color coefficient matrix */ |
| 26 |
|
CMATRIX * |
| 27 |
|
cm_alloc(int nrows, int ncols) |
| 61 |
|
getDT(char *s, void *p) |
| 62 |
|
{ |
| 63 |
|
char fmt[32]; |
| 64 |
+ |
int i; |
| 65 |
|
|
| 66 |
< |
if (formatval(fmt, s)) { |
| 67 |
< |
if (!strcmp(fmt, "ascii")) |
| 68 |
< |
*((int *)p) = DTascii; |
| 69 |
< |
else if (!strcmp(fmt, "float")) |
| 70 |
< |
*((int *)p) = DTfloat; |
| 60 |
< |
else if (!strcmp(fmt, "double")) |
| 61 |
< |
*((int *)p) = DTdouble; |
| 62 |
< |
else if (!strcmp(fmt, COLRFMT)) |
| 63 |
< |
*((int *)p) = DTrgbe; |
| 64 |
< |
else if (!strcmp(fmt, CIEFMT)) |
| 65 |
< |
*((int *)p) = DTxyze; |
| 66 |
< |
} |
| 66 |
> |
if (!formatval(fmt, s)) |
| 67 |
> |
return(0); |
| 68 |
> |
for (i = 1; i < DTend; i++) |
| 69 |
> |
if (!strcmp(fmt, cm_fmt_id[i])) |
| 70 |
> |
*((int *)p) = i; |
| 71 |
|
return(0); |
| 72 |
|
} |
| 73 |
|
|
| 169 |
|
break; |
| 170 |
|
} |
| 171 |
|
} else { /* read binary file */ |
| 172 |
< |
if (sizeof(COLORV) == (dtype==DTfloat ? sizeof(float) : |
| 169 |
< |
sizeof(double))) { |
| 172 |
> |
if (sizeof(COLOR) == cm_elem_size[dtype]) { |
| 173 |
|
int nread = 0; |
| 174 |
|
do { /* read all we can */ |
| 175 |
|
nread += fread(cm->cmem + 3*nread, |
| 333 |
|
return(cmr); |
| 334 |
|
} |
| 335 |
|
|
| 336 |
< |
/* print out matrix as ASCII text -- no header */ |
| 337 |
< |
void |
| 338 |
< |
cm_print(const CMATRIX *cm, FILE *fp) |
| 336 |
> |
/* write out matrix to file (precede by resolution string if picture) */ |
| 337 |
> |
int |
| 338 |
> |
cm_write(const CMATRIX *cm, int dtype, FILE *fp) |
| 339 |
|
{ |
| 337 |
– |
int r, c; |
| 340 |
|
const COLORV *mp = cm->cmem; |
| 341 |
< |
|
| 342 |
< |
for (r = 0; r < cm->nrows; r++) { |
| 343 |
< |
for (c = 0; c < cm->ncols; c++, mp += 3) |
| 344 |
< |
fprintf(fp, "\t%.6e %.6e %.6e", mp[0], mp[1], mp[2]); |
| 345 |
< |
fputc('\n', fp); |
| 341 |
> |
int r, c; |
| 342 |
> |
|
| 343 |
> |
switch (dtype) { |
| 344 |
> |
case DTascii: |
| 345 |
> |
for (r = 0; r < cm->nrows; r++) { |
| 346 |
> |
for (c = 0; c < cm->ncols; c++, mp += 3) |
| 347 |
> |
fprintf(fp, "\t%.6e %.6e %.6e", |
| 348 |
> |
mp[0], mp[1], mp[2]); |
| 349 |
> |
fputc('\n', fp); |
| 350 |
> |
} |
| 351 |
> |
break; |
| 352 |
> |
case DTfloat: |
| 353 |
> |
case DTdouble: |
| 354 |
> |
if (sizeof(COLOR) == cm_elem_size[dtype]) { |
| 355 |
> |
r = cm->ncols*cm->nrows; |
| 356 |
> |
while (r > 0) { |
| 357 |
> |
c = fwrite(mp, sizeof(COLOR), r, fp); |
| 358 |
> |
if (c <= 0) |
| 359 |
> |
return(0); |
| 360 |
> |
mp += 3*c; |
| 361 |
> |
r -= c; |
| 362 |
> |
} |
| 363 |
> |
} else if (dtype == DTdouble) { |
| 364 |
> |
double dc[3]; |
| 365 |
> |
r = cm->ncols*cm->nrows; |
| 366 |
> |
while (r--) { |
| 367 |
> |
copycolor(dc, mp); |
| 368 |
> |
if (fwrite(dc, sizeof(double), 3, fp) != 3) |
| 369 |
> |
return(0); |
| 370 |
> |
mp += 3; |
| 371 |
> |
} |
| 372 |
> |
} else /* dtype == DTfloat */ { |
| 373 |
> |
float fc[3]; |
| 374 |
> |
r = cm->ncols*cm->nrows; |
| 375 |
> |
while (r--) { |
| 376 |
> |
copycolor(fc, mp); |
| 377 |
> |
if (fwrite(fc, sizeof(float), 3, fp) != 3) |
| 378 |
> |
return(0); |
| 379 |
> |
mp += 3; |
| 380 |
> |
} |
| 381 |
> |
} |
| 382 |
> |
break; |
| 383 |
> |
case DTrgbe: |
| 384 |
> |
case DTxyze: |
| 385 |
> |
fprtresolu(cm->ncols, cm->nrows, fp); |
| 386 |
> |
for (r = 0; r < cm->nrows; r++, mp += 3*cm->ncols) |
| 387 |
> |
if (fwritescan((COLOR *)mp, cm->ncols, fp) < 0) |
| 388 |
> |
return(0); |
| 389 |
> |
break; |
| 390 |
> |
default: |
| 391 |
> |
fputs("Unsupported data type in cm_write()!\n", stderr); |
| 392 |
> |
return(0); |
| 393 |
|
} |
| 394 |
+ |
return(fflush(fp) == 0); |
| 395 |
|
} |
