| 8 |
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*/ |
| 9 |
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|
| 10 |
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#include "platform.h" |
| 11 |
+ |
#include "standard.h" |
| 12 |
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#include "rtprocess.h" |
| 12 |
– |
#include "rterror.h" |
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#include "color.h" |
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#include "calcomp.h" |
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#include "view.h" |
| 33 |
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|
| 34 |
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char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
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|
| 36 |
+ |
char StandardInput[] = "<stdin>"; |
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char Command[] = "<Command>"; |
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char vcolin[3][4] = {"ri", "gi", "bi"}; |
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char vcolout[3][4] = {"ro", "go", "bo"}; |
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int gotview; |
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|
| 74 |
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|
| 74 |
– |
extern char *emalloc(); |
| 75 |
– |
|
| 75 |
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static gethfunc tabputs; |
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+ |
static void checkfile(void); |
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+ |
static double rgb_bright(COLOR clr); |
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+ |
static double xyz_bright(COLOR clr); |
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+ |
static void init(void); |
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+ |
static void combine(void); |
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+ |
static void advance(void); |
| 82 |
+ |
static double l_expos(char *nam); |
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+ |
static double l_pixaspect(char *nm); |
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+ |
static double l_colin(char *nam); |
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+ |
static double l_ray(char *nam); |
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+ |
static double l_psize(char *nm); |
| 87 |
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|
| 88 |
< |
main(argc, argv) |
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< |
int argc; |
| 90 |
< |
char *argv[]; |
| 88 |
> |
|
| 89 |
> |
int |
| 90 |
> |
main( |
| 91 |
> |
int argc, |
| 92 |
> |
char *argv[] |
| 93 |
> |
) |
| 94 |
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{ |
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int original; |
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double f; |
| 97 |
< |
int a, i; |
| 97 |
> |
int a; |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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if (argv[a][0] == '-') |
| 138 |
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switch (argv[a][1]) { |
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case '\0': |
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< |
input[nfiles].name = "<stdin>"; |
| 140 |
> |
input[nfiles].name = StandardInput; |
| 141 |
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input[nfiles].fp = stdin; |
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break; |
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case 'o': |
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eputs( |
| 231 |
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" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
| 232 |
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quit(1); |
| 233 |
+ |
return 1; /* pro forma return */ |
| 234 |
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} |
| 235 |
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|
| 236 |
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|
| 270 |
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} |
| 271 |
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|
| 272 |
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|
| 273 |
< |
checkfile() /* ready a file */ |
| 273 |
> |
static void |
| 274 |
> |
checkfile(void) /* ready a file */ |
| 275 |
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{ |
| 276 |
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register int i; |
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/* process header */ |
| 310 |
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} |
| 311 |
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|
| 312 |
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|
| 313 |
< |
double |
| 314 |
< |
rgb_bright(clr) |
| 315 |
< |
COLOR clr; |
| 313 |
> |
static double |
| 314 |
> |
rgb_bright( |
| 315 |
> |
COLOR clr |
| 316 |
> |
) |
| 317 |
|
{ |
| 318 |
|
return(bright(clr)); |
| 319 |
|
} |
| 320 |
|
|
| 321 |
|
|
| 322 |
< |
double |
| 323 |
< |
xyz_bright(clr) |
| 324 |
< |
COLOR clr; |
| 322 |
> |
static double |
| 323 |
> |
xyz_bright( |
| 324 |
> |
COLOR clr |
| 325 |
> |
) |
| 326 |
|
{ |
| 327 |
|
return(clr[CIEY]); |
| 328 |
|
} |
| 331 |
|
double (*ourbright)() = rgb_bright; |
| 332 |
|
|
| 333 |
|
|
| 334 |
< |
init() /* perform final setup */ |
| 334 |
> |
static void |
| 335 |
> |
init(void) /* perform final setup */ |
| 336 |
|
{ |
| 319 |
– |
double l_colin(char *), l_expos(char *), l_pixaspect(char *), |
| 320 |
– |
l_ray(char *), l_psize(char *); |
| 337 |
|
register int i; |
| 338 |
|
/* define constants */ |
| 339 |
|
varset("PI", ':', PI); |
| 360 |
|
} |
| 361 |
|
|
| 362 |
|
|
| 363 |
< |
combine() /* combine pictures */ |
| 363 |
> |
static void |
| 364 |
> |
combine(void) /* combine pictures */ |
| 365 |
|
{ |
| 366 |
|
EPNODE *coldef[3], *brtdef; |
| 367 |
|
COLOR *scanout; |
| 419 |
|
} |
| 420 |
|
|
| 421 |
|
|
| 422 |
< |
advance() /* read in data for next scanline */ |
| 422 |
> |
static void |
| 423 |
> |
advance(void) /* read in data for next scanline */ |
| 424 |
|
{ |
| 425 |
|
int ytarget; |
| 426 |
|
register COLOR *st; |
| 448 |
|
} |
| 449 |
|
|
| 450 |
|
|
| 451 |
< |
double |
| 452 |
< |
l_expos(nam) /* return picture exposure */ |
| 453 |
< |
register char *nam; |
| 451 |
> |
static double |
| 452 |
> |
l_expos( /* return picture exposure */ |
| 453 |
> |
register char *nam |
| 454 |
> |
) |
| 455 |
|
{ |
| 456 |
|
register int fn, n; |
| 457 |
|
|
| 466 |
|
return(colval(input[fn].expos,n)); |
| 467 |
|
eputs("Bad call to l_expos()!\n"); |
| 468 |
|
quit(1); |
| 469 |
+ |
return 1; /* pro forma return */ |
| 470 |
|
} |
| 471 |
|
|
| 472 |
|
|
| 473 |
< |
double |
| 473 |
> |
static double |
| 474 |
|
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
| 475 |
|
{ |
| 476 |
|
register int fn; |
| 482 |
|
} |
| 483 |
|
|
| 484 |
|
|
| 485 |
< |
double |
| 486 |
< |
l_colin(nam) /* return color value for picture */ |
| 487 |
< |
register char *nam; |
| 485 |
> |
static double |
| 486 |
> |
l_colin( /* return color value for picture */ |
| 487 |
> |
register char *nam |
| 488 |
> |
) |
| 489 |
|
{ |
| 490 |
|
int fn; |
| 491 |
|
register int n, xoff, yoff; |
| 534 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
| 535 |
|
eputs("Bad call to l_colin()!\n"); |
| 536 |
|
quit(1); |
| 537 |
+ |
return 1; /* pro forma return */ |
| 538 |
|
} |
| 539 |
|
|
| 540 |
|
|
| 541 |
< |
double |
| 542 |
< |
l_ray(nam) /* return ray origin or direction */ |
| 543 |
< |
register char *nam; |
| 541 |
> |
static double |
| 542 |
> |
l_ray( /* return ray origin or direction */ |
| 543 |
> |
register char *nam |
| 544 |
> |
) |
| 545 |
|
{ |
| 546 |
|
static unsigned long ltick[MAXINP]; |
| 547 |
|
static FVECT lorg[MAXINP], ldir[MAXINP]; |
| 575 |
|
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
| 576 |
|
eputs("Bad call to l_ray()!\n"); |
| 577 |
|
quit(1); |
| 578 |
+ |
return 1; /* pro forma return */ |
| 579 |
|
} |
| 580 |
|
|
| 581 |
|
|
| 582 |
< |
double |
| 582 |
> |
static double |
| 583 |
|
l_psize(char *nm) /* compute pixel size in steradians */ |
| 584 |
|
{ |
| 585 |
|
static unsigned long ltick[MAXINP]; |
| 601 |
|
if (input[fn].vw.type == 0) |
| 602 |
|
errno = EDOM; |
| 603 |
|
else if (input[fn].vw.type != VT_PAR && |
| 604 |
< |
funvalue(vray[6], 1, &d) >= 0) { |
| 604 |
> |
funvalue(vray[6], 1, &d) >= -FTINY) { |
| 605 |
|
for (i = 0; i < 3; i++) |
| 606 |
|
dir0[i] = funvalue(vray[3+i], 1, &d); |
| 607 |
|
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
| 608 |
|
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
| 609 |
|
if (viewray(org, dirx, &input[fn].vw, |
| 610 |
< |
locx[0], locx[1]) >= 0 && |
| 610 |
> |
locx[0], locx[1]) >= -FTINY && |
| 611 |
|
viewray(org, diry, &input[fn].vw, |
| 612 |
< |
locy[0], locy[1]) >= 0) { |
| 612 |
> |
locy[0], locy[1]) >= -FTINY) { |
| 613 |
|
/* approximate solid angle */ |
| 614 |
|
for (i = 0; i < 3; i++) { |
| 615 |
|
dirx[i] -= dir0[i]; |
| 616 |
|
diry[i] -= dir0[i]; |
| 617 |
|
} |
| 618 |
|
fcross(dir0, dirx, diry); |
| 619 |
< |
psize[fn] = sqrt(DOT(dir0,dir0)); |
| 619 |
> |
psize[fn] = VLEN(dir0); |
| 620 |
|
} |
| 621 |
|
} |
| 622 |
|
ltick[fn] = eclock; |