99 |
|
#define RG_CORR 04 /* corrected color region */ |
100 |
|
|
101 |
|
#ifndef DISPCOM |
102 |
< |
#define DISPCOM "ximage -op \"%s\"" |
102 |
> |
#define DISPCOM "ximage -e auto -op \"%s\"" |
103 |
|
#endif |
104 |
|
|
105 |
|
int scanning = 1; /* scanned input (or recorded output)? */ |
128 |
|
static void getpicture(void); |
129 |
|
static void getcolors(void); |
130 |
|
static void bresp(COLOR y, COLOR x); |
131 |
+ |
static void ibresp(COLOR y, COLOR x); |
132 |
|
static void compute(void); |
133 |
|
static void putmapping(void); |
134 |
|
static void compsoln(COLOR cin[], COLOR cout[], int n); |
235 |
|
getcolors(); |
236 |
|
compute(); /* compute color mapping */ |
237 |
|
if (rawmap) { /* print out raw correspondence */ |
238 |
< |
register int j; |
238 |
> |
int j; |
239 |
|
|
240 |
|
printf("# Color correspondence produced by:\n#\t\t"); |
241 |
|
printargs(argc, argv, stdout); |
284 |
|
init(void) /* initialize */ |
285 |
|
{ |
286 |
|
double quad[4][2]; |
287 |
< |
register int i; |
287 |
> |
int i; |
288 |
|
/* make coordinate transformation */ |
289 |
|
quad[0][0] = bounds[0][0]; |
290 |
|
quad[0][1] = bounds[0][1]; |
324 |
|
mx3d_transform(ipos, imgxfm, cpos); |
325 |
|
cpos[0] /= cpos[2]; |
326 |
|
cpos[1] /= cpos[2]; |
327 |
< |
if (cpos[0] < 0. || cpos[0] >= 6. || cpos[1] < 0. || cpos[1] >= 4.) |
327 |
> |
if ((cpos[0] < 0.) | (cpos[0] >= 6.) | (cpos[1] < 0.) | (cpos[1] >= 4.)) |
328 |
|
return(RG_BORD); |
329 |
|
ix = cpos[0]; |
330 |
|
iy = cpos[1]; |
331 |
|
fx = cpos[0] - ix; |
332 |
|
fy = cpos[1] - iy; |
333 |
|
*np = iy*6 + ix; |
334 |
< |
if (fx >= 0.35 && fx < 0.65 && fy >= 0.35 && fy < 0.65) |
334 |
> |
if ((fx >= 0.35) & (fx < 0.65) & (fy >= 0.35) & (fy < 0.65)) |
335 |
|
return(RG_CENT); |
336 |
< |
if (fx < 0.05 || fx >= 0.95 || fy < 0.05 || fy >= 0.95) |
336 |
> |
if ((fx < 0.05) | (fx >= 0.95) | (fy < 0.05) | (fy >= 0.95)) |
337 |
|
return(RG_BORD); |
338 |
|
if (fx >= 0.5) /* right side is corrected */ |
339 |
|
return(RG_CORR); |
349 |
|
int ccount[24]; |
350 |
|
double d; |
351 |
|
int y, i; |
352 |
< |
register int x; |
352 |
> |
int x; |
353 |
|
|
354 |
|
scanln = (COLR *)malloc(xmax*sizeof(COLR)); |
355 |
|
if (scanln == NULL) { |
435 |
|
|
436 |
|
static void |
437 |
|
bresp( /* piecewise linear interpolation of primaries */ |
438 |
< |
COLOR y, |
439 |
< |
COLOR x |
438 |
> |
COLOR y, /* y is linear output */ |
439 |
> |
COLOR x /* x is non-linear input */ |
440 |
|
) |
441 |
|
{ |
442 |
< |
register int i, n; |
442 |
> |
int i, n; |
443 |
|
|
444 |
|
for (i = 0; i < 3; i++) { |
445 |
|
for (n = 0; n < NMBNEU-2; n++) |
455 |
|
|
456 |
|
|
457 |
|
static void |
458 |
+ |
ibresp( /* inverse mapping (delinearization) */ |
459 |
+ |
COLOR x, /* x is non-linear output */ |
460 |
+ |
COLOR y /* y is linear input */ |
461 |
+ |
) |
462 |
+ |
{ |
463 |
+ |
int i, n; |
464 |
+ |
|
465 |
+ |
for (i = 0; i < 3; i++) { |
466 |
+ |
for (n = 0; n < NMBNEU-2; n++) |
467 |
+ |
if (colval(y,i) < colval(bramp[n+1][1],i)) |
468 |
+ |
break; |
469 |
+ |
colval(x,i) = ((colval(bramp[n+1][1],i) - colval(y,i)) * |
470 |
+ |
colval(bramp[n][0],i) + |
471 |
+ |
(colval(y,i) - colval(bramp[n][1],i)) * |
472 |
+ |
colval(bramp[n+1][0],i)) / |
473 |
+ |
(colval(bramp[n+1][1],i) - colval(bramp[n][1],i)); |
474 |
+ |
} |
475 |
+ |
} |
476 |
+ |
|
477 |
+ |
|
478 |
+ |
static void |
479 |
|
compute(void) /* compute color mapping */ |
480 |
|
{ |
481 |
|
COLOR clrin[24], clrout[24]; |
482 |
|
long cflags; |
483 |
|
COLOR ctmp; |
484 |
< |
register int i, n; |
484 |
> |
int i, n; |
485 |
|
/* did we get what we need? */ |
486 |
|
if ((inpflags & REQFLGS) != REQFLGS) { |
487 |
|
fprintf(stderr, "%s: missing required input colors\n", |
491 |
|
/* compute piecewise luminance curve */ |
492 |
|
for (i = 0; i < NMBNEU; i++) { |
493 |
|
copycolor(bramp[i][0], inpRGB[mbneu[i]]); |
494 |
< |
for (n = i ? 3 : 0; n--; ) |
494 |
> |
for (n = 3*(i>0); n--; ) |
495 |
|
if (colval(bramp[i][0],n) <= |
496 |
|
colval(bramp[i-1][0],n)+1e-7) { |
497 |
|
fprintf(stderr, |
501 |
|
copycolor(bramp[i][1], mbRGB[mbneu[i]]); |
502 |
|
} |
503 |
|
/* compute color space gamut */ |
504 |
< |
if (scanning) { |
505 |
< |
copycolor(colmin, cblack); |
506 |
< |
copycolor(colmax, cwhite); |
507 |
< |
scalecolor(colmax, irrad); |
508 |
< |
} else |
509 |
< |
for (i = 0; i < 3; i++) { |
510 |
< |
colval(colmin,i) = colval(bramp[0][0],i) - |
489 |
< |
colval(bramp[0][1],i) * |
490 |
< |
(colval(bramp[1][0],i)-colval(bramp[0][0],i)) / |
491 |
< |
(colval(bramp[1][1],i)-colval(bramp[1][0],i)); |
492 |
< |
colval(colmax,i) = colval(bramp[NMBNEU-2][0],i) + |
493 |
< |
(1.-colval(bramp[NMBNEU-2][1],i)) * |
494 |
< |
(colval(bramp[NMBNEU-1][0],i) - |
495 |
< |
colval(bramp[NMBNEU-2][0],i)) / |
496 |
< |
(colval(bramp[NMBNEU-1][1],i) - |
497 |
< |
colval(bramp[NMBNEU-2][1],i)); |
498 |
< |
} |
504 |
> |
copycolor(colmin, cblack); |
505 |
> |
copycolor(colmax, cwhite); |
506 |
> |
scalecolor(colmax, irrad); |
507 |
> |
if (!scanning) { |
508 |
> |
ibresp(colmin, colmin); |
509 |
> |
ibresp(colmax, colmax); |
510 |
> |
} |
511 |
|
/* compute color mapping */ |
512 |
|
do { |
513 |
|
cflags = inpflags & ~gmtflags; |
514 |
|
n = 0; /* compute transform matrix */ |
515 |
< |
for (i = 0; i < 24; i++) |
516 |
< |
if (cflags & 1L<<i) { |
515 |
> |
for (i = 0; i < 24; i++) { |
516 |
> |
if (!(cflags & 1L<<i)) |
517 |
> |
continue; |
518 |
> |
if (scanning) { |
519 |
|
bresp(clrin[n], inpRGB[i]); |
520 |
|
copycolor(clrout[n], mbRGB[i]); |
521 |
< |
n++; |
521 |
> |
} else { |
522 |
> |
copycolor(clrin[n], inpRGB[i]); |
523 |
> |
ibresp(clrout[n], mbRGB[i]); |
524 |
|
} |
525 |
+ |
n++; |
526 |
+ |
} |
527 |
|
compsoln(clrin, clrout, n); |
528 |
< |
if (irrad > 0.99 && irrad < 1.01) /* check gamut */ |
529 |
< |
for (i = 0; i < 24; i++) |
530 |
< |
if (cflags & 1L<<i && cvtcolor(ctmp, mbRGB[i])) |
513 |
< |
gmtflags |= 1L<<i; |
528 |
> |
for (i = 0; i < 24; i++) /* check gamut */ |
529 |
> |
if (cflags & 1L<<i && cvtcolor(ctmp, inpRGB[i])) |
530 |
> |
gmtflags |= 1L<<i; |
531 |
|
} while (cflags & gmtflags); |
532 |
+ |
|
533 |
|
if (gmtflags & MODFLGS) |
534 |
|
fprintf(stderr, |
535 |
|
"%s: warning - some moderate colors are out of gamut\n", |
541 |
|
putmapping(void) /* put out color mapping */ |
542 |
|
{ |
543 |
|
static char cchar[3] = {'r', 'g', 'b'}; |
544 |
< |
register int i, j; |
544 |
> |
int i, j; |
545 |
|
/* print brightness mapping */ |
546 |
|
for (j = 0; j < 3; j++) { |
547 |
|
printf("%cxa(i) : select(i", cchar[j]); |
597 |
|
double mat[3][3], invmat[3][3]; |
598 |
|
double det; |
599 |
|
double colv[3], rowv[3]; |
600 |
< |
register int i, j, k; |
600 |
> |
int i, j, k; |
601 |
|
|
602 |
|
if (n < 3) { |
603 |
|
fprintf(stderr, "%s: too few colors to match!\n", progname); |
652 |
|
static void |
653 |
|
cwarp(void) /* compute color warp map */ |
654 |
|
{ |
655 |
< |
register int i; |
655 |
> |
int i; |
656 |
|
|
657 |
|
if ((wcor = new3dw(W3EXACT)) == NULL) |
658 |
|
goto memerr; |
703 |
|
static void |
704 |
|
xyY2RGB( /* convert xyY to RGB */ |
705 |
|
COLOR rgbout, |
706 |
< |
register float xyYin[3] |
706 |
> |
float xyYin[3] |
707 |
|
) |
708 |
|
{ |
709 |
|
COLOR ctmp; |
724 |
|
static COLOR blkcol = BLKCOLOR; |
725 |
|
COLOR *scan; |
726 |
|
int y, i; |
727 |
< |
register int x, rg; |
727 |
> |
int x, rg; |
728 |
|
|
729 |
|
if (fseek(stdin, 0L, 0) == EOF) { |
730 |
|
fprintf(stderr, "%s: cannot seek on input picture\n", progname); |
783 |
|
COLR *scan; |
784 |
|
COLOR ctmp, ct2; |
785 |
|
int y, i; |
786 |
< |
register int x, rg; |
786 |
> |
int x, rg; |
787 |
|
/* convert colors */ |
788 |
|
for (i = 0; i < 24; i++) { |
789 |
|
copycolor(ctmp, mbRGB[i]); |