| 19 |
|
extern char *malloc(); |
| 20 |
|
extern float *matchlamp(); |
| 21 |
|
|
| 22 |
+ |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
| 23 |
+ |
|
| 24 |
|
#define CHECKRAD 1.5 /* radius to check for filtering */ |
| 25 |
|
|
| 26 |
|
COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
| 53 |
|
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
| 54 |
|
int correctaspect = 0; /* aspect ratio correction? */ |
| 55 |
|
|
| 56 |
+ |
int wrongformat = 0; |
| 57 |
+ |
|
| 58 |
|
int xrad; /* x window size */ |
| 59 |
|
int yrad; /* y window size */ |
| 60 |
|
|
| 125 |
|
d = pow(2.0, atof(argv[i+1])); |
| 126 |
|
else |
| 127 |
|
d = atof(argv[i+1]); |
| 128 |
+ |
if (d < 1e-20 || d > 1e20) { |
| 129 |
+ |
fprintf(stderr, |
| 130 |
+ |
"%s: exposure out of range\n", |
| 131 |
+ |
argv[0]); |
| 132 |
+ |
exit(1); |
| 133 |
+ |
} |
| 134 |
|
switch (argv[i][2]) { |
| 135 |
|
case '\0': |
| 136 |
|
scalecolor(exposure, d); |
| 229 |
|
quit(1); |
| 230 |
|
} |
| 231 |
|
/* get header */ |
| 232 |
< |
getheader(fin, headline); |
| 232 |
> |
getheader(fin, headline, NULL); |
| 233 |
> |
if (wrongformat) { |
| 234 |
> |
fprintf(stderr, "%s: input must be a Radiance picture\n", |
| 235 |
> |
progname); |
| 236 |
> |
quit(1); |
| 237 |
> |
} |
| 238 |
|
/* add new header info. */ |
| 239 |
|
printargs(i, argv, stdout); |
| 240 |
|
/* get picture size */ |
| 280 |
|
headline(s) /* process line from header */ |
| 281 |
|
char *s; |
| 282 |
|
{ |
| 283 |
+ |
char fmt[32]; |
| 284 |
+ |
|
| 285 |
|
fputs(s, stdout); /* copy to output */ |
| 286 |
|
if (isaspect(s)) /* get aspect ratio */ |
| 287 |
|
inpaspect *= aspectval(s); |
| 288 |
+ |
else if (isformat(s)) { |
| 289 |
+ |
formatval(fmt, s); |
| 290 |
+ |
wrongformat = strcmp(fmt, COLRFMT); |
| 291 |
+ |
} |
| 292 |
|
} |
| 293 |
|
|
| 294 |
|
|
| 387 |
|
|
| 388 |
|
scan2init() /* prepare scanline arrays */ |
| 389 |
|
{ |
| 390 |
+ |
COLOR ctmp; |
| 391 |
|
double d; |
| 392 |
|
register int i; |
| 393 |
|
|
| 417 |
|
fprintf(stderr, "%s: out of memory\n", progname); |
| 418 |
|
quit(1); |
| 419 |
|
} |
| 420 |
< |
/* record pixel aspect and exposure */ |
| 420 |
> |
/* record pixel aspect ratio */ |
| 421 |
|
if (!correctaspect) { |
| 422 |
|
d = x_c / y_r; |
| 423 |
< |
if (d < .99 || d > 1.01) |
| 423 |
> |
if (!FEQ(d,1.0)) |
| 424 |
|
fputaspect(d, stdout); |
| 425 |
|
} |
| 426 |
+ |
/* record exposure */ |
| 427 |
|
d = bright(exposure); |
| 428 |
< |
if (d < .995 || d > 1.005) |
| 428 |
> |
if (!FEQ(d,1.0)) |
| 429 |
|
fputexpos(d, stdout); |
| 430 |
+ |
/* record color correction */ |
| 431 |
+ |
copycolor(ctmp, exposure); |
| 432 |
+ |
scalecolor(ctmp, 1.0/d); |
| 433 |
+ |
if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) || |
| 434 |
+ |
!FEQ(colval(ctmp,GRN),colval(ctmp,BLU))) |
| 435 |
+ |
fputcolcor(ctmp, stdout); |
| 436 |
|
printf("\n"); |
| 437 |
< |
fputresolu(YMAJOR|YDECR, ncols, nrows, stdout); /* resolution */ |
| 437 |
> |
/* write out resolution */ |
| 438 |
> |
fputresolu(YMAJOR|YDECR, ncols, nrows, stdout); |
| 439 |
|
} |
| 440 |
|
|
| 441 |
|
|
