| 8 |
|
*/ |
| 9 |
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|
| 10 |
|
#include "platform.h" |
| 11 |
+ |
#include "standard.h" |
| 12 |
|
#include "rtprocess.h" |
| 12 |
– |
#include "rterror.h" |
| 13 |
|
#include "color.h" |
| 14 |
|
#include "calcomp.h" |
| 15 |
|
#include "view.h" |
| 16 |
|
|
| 17 |
< |
#define MAXINP 32 /* maximum number of input files */ |
| 17 |
> |
#define MAXINP 512 /* maximum number of input files */ |
| 18 |
|
#define WINSIZ 64 /* scanline window size */ |
| 19 |
|
#define MIDSCN ((WINSIZ-1)/2+1) |
| 20 |
|
|
| 33 |
|
|
| 34 |
|
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
| 35 |
|
|
| 36 |
+ |
char StandardInput[] = "<stdin>"; |
| 37 |
|
char Command[] = "<Command>"; |
| 38 |
|
char vcolin[3][4] = {"ri", "gi", "bi"}; |
| 39 |
|
char vcolout[3][4] = {"ro", "go", "bo"}; |
| 68 |
|
|
| 69 |
|
char *progname; /* global argv[0] */ |
| 70 |
|
|
| 71 |
+ |
int echoheader = 1; |
| 72 |
|
int wrongformat = 0; |
| 73 |
|
int gotview; |
| 74 |
|
|
| 75 |
|
|
| 76 |
< |
extern char *emalloc(); |
| 76 |
> |
static gethfunc headline; |
| 77 |
> |
static void checkfile(void); |
| 78 |
> |
static double rgb_bright(COLOR clr); |
| 79 |
> |
static double xyz_bright(COLOR clr); |
| 80 |
> |
static void init(void); |
| 81 |
> |
static void combine(void); |
| 82 |
> |
static void advance(void); |
| 83 |
> |
static double l_expos(char *nam); |
| 84 |
> |
static double l_pixaspect(char *nm); |
| 85 |
> |
static double l_colin(char *nam); |
| 86 |
> |
static double l_ray(char *nam); |
| 87 |
> |
static double l_psize(char *nm); |
| 88 |
|
|
| 89 |
|
|
| 90 |
< |
main(argc, argv) |
| 91 |
< |
int argc; |
| 92 |
< |
char *argv[]; |
| 90 |
> |
int |
| 91 |
> |
main( |
| 92 |
> |
int argc, |
| 93 |
> |
char *argv[] |
| 94 |
> |
) |
| 95 |
|
{ |
| 96 |
|
int original; |
| 97 |
|
double f; |
| 98 |
< |
int a, i; |
| 98 |
> |
int a; |
| 99 |
|
SET_DEFAULT_BINARY(); |
| 100 |
|
SET_FILE_BINARY(stdin); |
| 101 |
|
SET_FILE_BINARY(stdout); |
| 111 |
|
case 'w': |
| 112 |
|
nowarn = !nowarn; |
| 113 |
|
continue; |
| 114 |
+ |
case 'h': |
| 115 |
+ |
echoheader = !echoheader; |
| 116 |
+ |
continue; |
| 117 |
|
case 'f': |
| 118 |
|
case 'e': |
| 119 |
|
a++; |
| 141 |
|
if (argv[a][0] == '-') |
| 142 |
|
switch (argv[a][1]) { |
| 143 |
|
case '\0': |
| 144 |
< |
input[nfiles].name = "<stdin>"; |
| 144 |
> |
input[nfiles].name = StandardInput; |
| 145 |
|
input[nfiles].fp = stdin; |
| 146 |
|
break; |
| 147 |
|
case 'o': |
| 198 |
|
continue; |
| 199 |
|
case 'w': |
| 200 |
|
continue; |
| 201 |
+ |
case 'h': |
| 202 |
+ |
continue; |
| 203 |
|
case 'f': |
| 204 |
|
fcompile(argv[++a]); |
| 205 |
|
continue; |
| 234 |
|
eputs("Usage: "); |
| 235 |
|
eputs(argv[0]); |
| 236 |
|
eputs( |
| 237 |
< |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
| 237 |
> |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
| 238 |
|
quit(1); |
| 239 |
+ |
return 1; /* pro forma return */ |
| 240 |
|
} |
| 241 |
|
|
| 242 |
|
|
| 243 |
< |
tabputs(s) /* put out string preceded by a tab */ |
| 244 |
< |
char *s; |
| 243 |
> |
static int |
| 244 |
> |
headline( /* check header line & echo if requested */ |
| 245 |
> |
char *s, |
| 246 |
> |
void *p |
| 247 |
> |
) |
| 248 |
|
{ |
| 249 |
|
char fmt[32]; |
| 250 |
|
double d; |
| 270 |
|
input[nfiles].pa *= aspectval(s); |
| 271 |
|
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
| 272 |
|
gotview++; |
| 273 |
< |
/* echo line */ |
| 274 |
< |
putchar('\t'); |
| 275 |
< |
return(fputs(s, stdout)); |
| 273 |
> |
|
| 274 |
> |
if (echoheader) { /* echo line */ |
| 275 |
> |
putchar('\t'); |
| 276 |
> |
return(fputs(s, stdout)); |
| 277 |
> |
} |
| 278 |
> |
return(0); |
| 279 |
|
} |
| 280 |
|
|
| 281 |
|
|
| 282 |
< |
checkfile() /* ready a file */ |
| 282 |
> |
static void |
| 283 |
> |
checkfile(void) /* ready a file */ |
| 284 |
|
{ |
| 285 |
|
register int i; |
| 286 |
|
/* process header */ |
| 287 |
|
gotview = 0; |
| 288 |
< |
fputs(input[nfiles].name, stdout); |
| 289 |
< |
fputs(":\n", stdout); |
| 290 |
< |
getheader(input[nfiles].fp, tabputs, NULL); |
| 288 |
> |
if (echoheader) { |
| 289 |
> |
fputs(input[nfiles].name, stdout); |
| 290 |
> |
fputs(":\n", stdout); |
| 291 |
> |
} |
| 292 |
> |
getheader(input[nfiles].fp, headline, NULL); |
| 293 |
|
if (wrongformat < 0) { |
| 294 |
|
eputs(input[nfiles].name); |
| 295 |
|
eputs(": not a Radiance picture\n"); |
| 321 |
|
} |
| 322 |
|
|
| 323 |
|
|
| 324 |
< |
double |
| 325 |
< |
rgb_bright(clr) |
| 326 |
< |
COLOR clr; |
| 324 |
> |
static double |
| 325 |
> |
rgb_bright( |
| 326 |
> |
COLOR clr |
| 327 |
> |
) |
| 328 |
|
{ |
| 329 |
|
return(bright(clr)); |
| 330 |
|
} |
| 331 |
|
|
| 332 |
|
|
| 333 |
< |
double |
| 334 |
< |
xyz_bright(clr) |
| 335 |
< |
COLOR clr; |
| 333 |
> |
static double |
| 334 |
> |
xyz_bright( |
| 335 |
> |
COLOR clr |
| 336 |
> |
) |
| 337 |
|
{ |
| 338 |
|
return(clr[CIEY]); |
| 339 |
|
} |
| 342 |
|
double (*ourbright)() = rgb_bright; |
| 343 |
|
|
| 344 |
|
|
| 345 |
< |
init() /* perform final setup */ |
| 345 |
> |
static void |
| 346 |
> |
init(void) /* perform final setup */ |
| 347 |
|
{ |
| 315 |
– |
double l_colin(char *), l_expos(char *), l_pixaspect(char *), |
| 316 |
– |
l_ray(char *), l_psize(char *); |
| 348 |
|
register int i; |
| 349 |
|
/* define constants */ |
| 350 |
|
varset("PI", ':', PI); |
| 371 |
|
} |
| 372 |
|
|
| 373 |
|
|
| 374 |
< |
combine() /* combine pictures */ |
| 374 |
> |
static void |
| 375 |
> |
combine(void) /* combine pictures */ |
| 376 |
|
{ |
| 377 |
|
EPNODE *coldef[3], *brtdef; |
| 378 |
|
COLOR *scanout; |
| 430 |
|
} |
| 431 |
|
|
| 432 |
|
|
| 433 |
< |
advance() /* read in data for next scanline */ |
| 433 |
> |
static void |
| 434 |
> |
advance(void) /* read in data for next scanline */ |
| 435 |
|
{ |
| 436 |
|
int ytarget; |
| 437 |
|
register COLOR *st; |
| 450 |
|
eputs(": read error\n"); |
| 451 |
|
quit(1); |
| 452 |
|
} |
| 453 |
< |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
| 454 |
< |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
| 422 |
< |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
| 423 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
| 424 |
< |
multcolor(st[j], input[i].coef); |
| 453 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
| 454 |
> |
multcolor(st[j], input[i].coef); |
| 455 |
|
} |
| 456 |
|
} |
| 457 |
|
|
| 458 |
|
|
| 459 |
< |
double |
| 460 |
< |
l_expos(nam) /* return picture exposure */ |
| 461 |
< |
register char *nam; |
| 459 |
> |
static double |
| 460 |
> |
l_expos( /* return picture exposure */ |
| 461 |
> |
register char *nam |
| 462 |
> |
) |
| 463 |
|
{ |
| 464 |
|
register int fn, n; |
| 465 |
|
|
| 474 |
|
return(colval(input[fn].expos,n)); |
| 475 |
|
eputs("Bad call to l_expos()!\n"); |
| 476 |
|
quit(1); |
| 477 |
+ |
return 1; /* pro forma return */ |
| 478 |
|
} |
| 479 |
|
|
| 480 |
|
|
| 481 |
< |
double |
| 481 |
> |
static double |
| 482 |
|
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
| 483 |
|
{ |
| 484 |
|
register int fn; |
| 490 |
|
} |
| 491 |
|
|
| 492 |
|
|
| 493 |
< |
double |
| 494 |
< |
l_colin(nam) /* return color value for picture */ |
| 495 |
< |
register char *nam; |
| 493 |
> |
static double |
| 494 |
> |
l_colin( /* return color value for picture */ |
| 495 |
> |
register char *nam |
| 496 |
> |
) |
| 497 |
|
{ |
| 498 |
|
int fn; |
| 499 |
|
register int n, xoff, yoff; |
| 542 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
| 543 |
|
eputs("Bad call to l_colin()!\n"); |
| 544 |
|
quit(1); |
| 545 |
+ |
return 1; /* pro forma return */ |
| 546 |
|
} |
| 547 |
|
|
| 548 |
|
|
| 549 |
< |
double |
| 550 |
< |
l_ray(nam) /* return ray origin or direction */ |
| 551 |
< |
register char *nam; |
| 549 |
> |
static double |
| 550 |
> |
l_ray( /* return ray origin or direction */ |
| 551 |
> |
register char *nam |
| 552 |
> |
) |
| 553 |
|
{ |
| 554 |
|
static unsigned long ltick[MAXINP]; |
| 555 |
|
static FVECT lorg[MAXINP], ldir[MAXINP]; |
| 583 |
|
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
| 584 |
|
eputs("Bad call to l_ray()!\n"); |
| 585 |
|
quit(1); |
| 586 |
+ |
return 1; /* pro forma return */ |
| 587 |
|
} |
| 588 |
|
|
| 589 |
|
|
| 590 |
< |
double |
| 590 |
> |
static double |
| 591 |
|
l_psize(char *nm) /* compute pixel size in steradians */ |
| 592 |
|
{ |
| 593 |
|
static unsigned long ltick[MAXINP]; |
| 609 |
|
if (input[fn].vw.type == 0) |
| 610 |
|
errno = EDOM; |
| 611 |
|
else if (input[fn].vw.type != VT_PAR && |
| 612 |
< |
funvalue(vray[6], 1, &d) >= 0) { |
| 612 |
> |
funvalue(vray[6], 1, &d) >= -FTINY) { |
| 613 |
|
for (i = 0; i < 3; i++) |
| 614 |
|
dir0[i] = funvalue(vray[3+i], 1, &d); |
| 615 |
|
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
| 616 |
|
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
| 617 |
|
if (viewray(org, dirx, &input[fn].vw, |
| 618 |
< |
locx[0], locx[1]) >= 0 && |
| 618 |
> |
locx[0], locx[1]) >= -FTINY && |
| 619 |
|
viewray(org, diry, &input[fn].vw, |
| 620 |
< |
locy[0], locy[1]) >= 0) { |
| 620 |
> |
locy[0], locy[1]) >= -FTINY) { |
| 621 |
|
/* approximate solid angle */ |
| 622 |
|
for (i = 0; i < 3; i++) { |
| 623 |
|
dirx[i] -= dir0[i]; |
| 624 |
|
diry[i] -= dir0[i]; |
| 625 |
|
} |
| 626 |
|
fcross(dir0, dirx, diry); |
| 627 |
< |
psize[fn] = sqrt(DOT(dir0,dir0)); |
| 627 |
> |
psize[fn] = VLEN(dir0); |
| 628 |
|
} |
| 629 |
|
} |
| 630 |
|
ltick[fn] = eclock; |