| 10 |
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* Warping code depends on conformance of COLOR and W3VEC types. |
| 11 |
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*/ |
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|
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– |
#include <stdio.h> |
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#include <math.h> |
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– |
#include <time.h> |
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|
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#include "platform.h" |
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< |
#include "rtprocess.h" |
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> |
#include "paths.h" |
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#include "rtio.h" |
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#include "color.h" |
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#include "resolu.h" |
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#define RG_CORR 04 /* corrected color region */ |
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|
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#ifndef DISPCOM |
| 102 |
< |
#define DISPCOM "ximage -op \"%s\"" |
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> |
#define DISPCOM "ximage -e auto -op \"%s\"" |
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#endif |
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|
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int scanning = 1; /* scanned input (or recorded output)? */ |
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static void getpicture(void); |
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static void getcolors(void); |
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static void bresp(COLOR y, COLOR x); |
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+ |
static void ibresp(COLOR y, COLOR x); |
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static void compute(void); |
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static void putmapping(void); |
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static void compsoln(COLOR cin[], COLOR cout[], int n); |
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getcolors(); |
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compute(); /* compute color mapping */ |
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if (rawmap) { /* print out raw correspondence */ |
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< |
register int j; |
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> |
int j; |
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|
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printf("# Color correspondence produced by:\n#\t\t"); |
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printargs(argc, argv, stdout); |
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init(void) /* initialize */ |
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{ |
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double quad[4][2]; |
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< |
register int i; |
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> |
int i; |
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/* make coordinate transformation */ |
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quad[0][0] = bounds[0][0]; |
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quad[0][1] = bounds[0][1]; |
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mx3d_transform(ipos, imgxfm, cpos); |
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cpos[0] /= cpos[2]; |
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cpos[1] /= cpos[2]; |
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< |
if (cpos[0] < 0. || cpos[0] >= 6. || cpos[1] < 0. || cpos[1] >= 4.) |
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> |
if ((cpos[0] < 0.) | (cpos[0] >= 6.) | (cpos[1] < 0.) | (cpos[1] >= 4.)) |
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return(RG_BORD); |
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ix = cpos[0]; |
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iy = cpos[1]; |
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fx = cpos[0] - ix; |
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fy = cpos[1] - iy; |
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*np = iy*6 + ix; |
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< |
if (fx >= 0.35 && fx < 0.65 && fy >= 0.35 && fy < 0.65) |
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> |
if ((fx >= 0.35) & (fx < 0.65) & (fy >= 0.35) & (fy < 0.65)) |
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return(RG_CENT); |
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< |
if (fx < 0.05 || fx >= 0.95 || fy < 0.05 || fy >= 0.95) |
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> |
if ((fx < 0.05) | (fx >= 0.95) | (fy < 0.05) | (fy >= 0.95)) |
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return(RG_BORD); |
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if (fx >= 0.5) /* right side is corrected */ |
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return(RG_CORR); |
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int ccount[24]; |
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double d; |
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int y, i; |
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< |
register int x; |
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> |
int x; |
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|
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scanln = (COLR *)malloc(xmax*sizeof(COLR)); |
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if (scanln == NULL) { |
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|
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static void |
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bresp( /* piecewise linear interpolation of primaries */ |
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< |
COLOR y, |
| 439 |
< |
COLOR x |
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> |
COLOR y, /* y is linear output */ |
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> |
COLOR x /* x is non-linear input */ |
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) |
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{ |
| 442 |
< |
register int i, n; |
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> |
int i, n; |
| 443 |
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|
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for (i = 0; i < 3; i++) { |
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for (n = 0; n < NMBNEU-2; n++) |
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|
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|
| 457 |
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static void |
| 458 |
+ |
ibresp( /* inverse mapping (delinearization) */ |
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+ |
COLOR x, /* x is non-linear output */ |
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+ |
COLOR y /* y is linear input */ |
| 461 |
+ |
) |
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+ |
{ |
| 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)) |
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+ |
break; |
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+ |
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 |
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COLOR clrin[24], clrout[24]; |
| 482 |
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long cflags; |
| 483 |
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COLOR ctmp; |
| 484 |
< |
register int i, n; |
| 484 |
> |
int i, n; |
| 485 |
|
/* did we get what we need? */ |
| 486 |
|
if ((inpflags & REQFLGS) != REQFLGS) { |
| 487 |
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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) - |
| 491 |
< |
colval(bramp[0][1],i) * |
| 492 |
< |
(colval(bramp[1][0],i)-colval(bramp[0][0],i)) / |
| 493 |
< |
(colval(bramp[1][1],i)-colval(bramp[1][0],i)); |
| 494 |
< |
colval(colmax,i) = colval(bramp[NMBNEU-2][0],i) + |
| 495 |
< |
(1.-colval(bramp[NMBNEU-2][1],i)) * |
| 496 |
< |
(colval(bramp[NMBNEU-1][0],i) - |
| 497 |
< |
colval(bramp[NMBNEU-2][0],i)) / |
| 498 |
< |
(colval(bramp[NMBNEU-1][1],i) - |
| 499 |
< |
colval(bramp[NMBNEU-2][1],i)); |
| 500 |
< |
} |
| 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])) |
| 515 |
< |
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]); |