10 |
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* Warping code depends on conformance of COLOR and W3VEC types. |
11 |
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*/ |
12 |
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13 |
– |
#include <stdio.h> |
13 |
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#include <math.h> |
15 |
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#include <time.h> |
14 |
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|
15 |
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#include "platform.h" |
16 |
< |
#include "rtprocess.h" |
16 |
> |
#include "paths.h" |
17 |
> |
#include "rtio.h" |
18 |
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#include "color.h" |
19 |
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#include "resolu.h" |
20 |
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#include "pmap.h" |
21 |
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#include "warp3d.h" |
22 |
+ |
#include "mx3.h" |
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|
24 |
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/* MacBeth colors */ |
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#define DarkSkin 0 |
46 |
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#define Neutral5 21 |
47 |
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#define Neutral35 22 |
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#define Black 23 |
49 |
< |
/* computed from 5nm spectral measurements */ |
49 |
> |
/* computed from 10nm spectral measurements */ |
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/* CIE 1931 2 degree obs, equal-energy white */ |
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float mbxyY[24][3] = { |
52 |
< |
{0.462, 0.3769, 0.0932961}, /* DarkSkin */ |
53 |
< |
{0.4108, 0.3542, 0.410348}, /* LightSkin */ |
54 |
< |
{0.2626, 0.267, 0.181554}, /* BlueSky */ |
55 |
< |
{0.36, 0.4689, 0.108447}, /* Foliage */ |
56 |
< |
{0.2977, 0.2602, 0.248407}, /* BlueFlower */ |
57 |
< |
{0.2719, 0.3485, 0.401156}, /* BluishGreen */ |
58 |
< |
{0.52, 0.4197, 0.357899}, /* Orange */ |
59 |
< |
{0.229, 0.1866, 0.103911}, /* PurplishBlue */ |
60 |
< |
{0.4909, 0.3262, 0.242615}, /* ModerateRed */ |
61 |
< |
{0.3361, 0.2249, 0.0600102}, /* Purple */ |
62 |
< |
{0.3855, 0.4874, 0.42963}, /* YellowGreen */ |
63 |
< |
{0.4853, 0.4457, 0.476343}, /* OrangeYellow */ |
64 |
< |
{0.2026, 0.1369, 0.0529249}, /* Blue */ |
65 |
< |
{0.3007, 0.4822, 0.221226}, /* Green */ |
66 |
< |
{0.5805, 0.3238, 0.162167}, /* Red */ |
67 |
< |
{0.4617, 0.472, 0.64909}, /* Yellow */ |
68 |
< |
{0.4178, 0.2625, 0.233662}, /* Magenta */ |
69 |
< |
{0.2038, 0.2508, 0.167275}, /* Cyan */ |
70 |
< |
{0.3358, 0.337, 0.916877}, /* White */ |
71 |
< |
{0.3338, 0.3348, 0.604678}, /* Neutral.8 */ |
72 |
< |
{0.3333, 0.3349, 0.364566}, /* Neutral.65 */ |
73 |
< |
{0.3353, 0.3359, 0.200238}, /* Neutral.5 */ |
74 |
< |
{0.3363, 0.336, 0.0878721}, /* Neutral.35 */ |
75 |
< |
{0.3346, 0.3349, 0.0308383} /* Black */ |
52 |
> |
{0.421236, 0.361196, 0.103392}, /* DarkSkin */ |
53 |
> |
{0.40868, 0.358157, 0.352867}, /* LightSkin */ |
54 |
> |
{0.265063, 0.271424, 0.185124}, /* BlueSky */ |
55 |
> |
{0.362851, 0.43055, 0.132625}, /* Foliage */ |
56 |
> |
{0.28888, 0.260851, 0.233138}, /* BlueFlower */ |
57 |
> |
{0.277642, 0.365326, 0.416443}, /* BluishGreen */ |
58 |
> |
{0.524965, 0.40068, 0.312039}, /* Orange */ |
59 |
> |
{0.225018, 0.190392, 0.114999}, /* PurplishBlue */ |
60 |
> |
{0.487199, 0.315372, 0.198616}, /* ModerateRed */ |
61 |
> |
{0.314245, 0.227231, 0.0646047}, /* Purple */ |
62 |
> |
{0.396202, 0.489732, 0.440724}, /* YellowGreen */ |
63 |
> |
{0.493297, 0.435299, 0.43444}, /* OrangeYellow */ |
64 |
> |
{0.198191, 0.149265, 0.0588122}, /* Blue */ |
65 |
> |
{0.322838, 0.487601, 0.229258}, /* Green */ |
66 |
> |
{0.561833, 0.321165, 0.126978}, /* Red */ |
67 |
> |
{0.468113, 0.467021, 0.605289}, /* Yellow */ |
68 |
> |
{0.397128, 0.248535, 0.201761}, /* Magenta */ |
69 |
> |
{0.209552, 0.276256, 0.190917}, /* Cyan */ |
70 |
> |
{0.337219, 0.339042, 0.912482}, /* White */ |
71 |
> |
{0.333283, 0.335077, 0.588297}, /* Neutral.8 */ |
72 |
> |
{0.332747, 0.334371, 0.3594}, /* Neutral.65 */ |
73 |
> |
{0.331925, 0.334202, 0.19114}, /* Neutral.5 */ |
74 |
> |
{0.330408, 0.332615, 0.0892964}, /* Neutral.35 */ |
75 |
> |
{0.331841, 0.331405, 0.0319541}, /* Black */ |
76 |
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}; |
77 |
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|
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COLOR mbRGB[24]; /* MacBeth RGB values */ |
123 |
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FILE *debugfp = NULL; /* debug output picture */ |
124 |
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char *progname; |
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|
126 |
+ |
static void init(void); |
127 |
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static int chartndx(int x, int y, int *np); |
128 |
+ |
static void getpicture(void); |
129 |
+ |
static void getcolors(void); |
130 |
+ |
static void bresp(COLOR y, COLOR x); |
131 |
+ |
static void compute(void); |
132 |
+ |
static void putmapping(void); |
133 |
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static void compsoln(COLOR cin[], COLOR cout[], int n); |
134 |
+ |
static void cwarp(void); |
135 |
+ |
static int cvtcolor(COLOR cout, COLOR cin); |
136 |
+ |
static int cresp(COLOR cout, COLOR cin); |
137 |
+ |
static void xyY2RGB(COLOR rgbout, float xyYin[3]); |
138 |
+ |
static void picdebug(void); |
139 |
+ |
static void clrdebug(void); |
140 |
+ |
static void getpos(char *name, int bnds[2], FILE *fp); |
141 |
+ |
static void pickchartpos(char *pfn); |
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|
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main(argc, argv) |
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int argc; |
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char **argv; |
143 |
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|
144 |
> |
int |
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main( |
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int argc, |
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char **argv |
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> |
) |
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{ |
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int i; |
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printf("# Color correspondence produced by:\n#\t\t"); |
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printargs(argc, argv, stdout); |
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< |
printf("#\tUsage: pcwarp %s uncorrected.pic > corrected.pic\n", |
241 |
> |
printf("#\tUsage: pcwarp %s uncorrected.hdr > corrected.hdr\n", |
242 |
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i+1 < argc ? argv[i+1] : "{this_file}"); |
243 |
< |
printf("#\t Or: pcond [options] -m %s orig.pic > output.pic\n", |
243 |
> |
printf("#\t Or: pcond [options] -m %s orig.hdr > output.hdr\n", |
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i+1 < argc ? argv[i+1] : "{this_file}"); |
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for (j = 0; j < 24; j++) |
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printf("%f %f %f %f %f %f\n", |
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/* print header */ |
254 |
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printf("{\n\tColor correction file computed by:\n\t\t"); |
255 |
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printargs(argc, argv, stdout); |
256 |
< |
printf("\n\tUsage: pcomb -f %s uncorrected.pic > corrected.pic\n", |
256 |
> |
printf("\n\tUsage: pcomb -f %s uncorrected.hdr > corrected.hdr\n", |
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i+1 < argc ? argv[i+1] : "{this_file}"); |
258 |
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if (!scanning) |
259 |
< |
printf("\t Or: pcond [options] -f %s orig.pic > output.pic\n", |
259 |
> |
printf("\t Or: pcond [options] -f %s orig.hdr > output.hdr\n", |
260 |
|
i+1 < argc ? argv[i+1] : "{this_file}"); |
261 |
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printf("}\n"); |
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putmapping(); /* put out color mapping */ |
270 |
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exit(0); |
271 |
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userr: |
272 |
|
fprintf(stderr, |
273 |
< |
"Usage: %s [-d dbg.pic][-P | -p xul yul xur yur xll yll xlr ylr][-i irrad][-m] input.pic [output.{cal|cwp}]\n", |
273 |
> |
"Usage: %s [-d dbg.hdr][-P | -p xul yul xur yur xll yll xlr ylr][-i irrad][-m] input.hdr [output.{cal|cwp}]\n", |
274 |
|
progname); |
275 |
< |
fprintf(stderr, " or: %s [-d dbg.pic][-i irrad][-m] -c [xyY.dat [output.{cal|cwp}]]\n", |
275 |
> |
fprintf(stderr, " or: %s [-d dbg.hdr][-i irrad][-m] -c [xyY.dat [output.{cal|cwp}]]\n", |
276 |
|
progname); |
277 |
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exit(1); |
278 |
+ |
return 1; /* pro forma return */ |
279 |
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} |
280 |
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|
281 |
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|
282 |
< |
init() /* initialize */ |
282 |
> |
static void |
283 |
> |
init(void) /* initialize */ |
284 |
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{ |
285 |
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double quad[4][2]; |
286 |
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register int i; |
306 |
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} |
307 |
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|
308 |
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|
309 |
< |
int |
310 |
< |
chartndx(x, y, np) /* find color number for position */ |
311 |
< |
int x, y; |
312 |
< |
int *np; |
309 |
> |
static int |
310 |
> |
chartndx( /* find color number for position */ |
311 |
> |
int x, |
312 |
> |
int y, |
313 |
> |
int *np |
314 |
> |
) |
315 |
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{ |
316 |
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double ipos[3], cpos[3]; |
317 |
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int ix, iy; |
340 |
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} |
341 |
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|
342 |
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|
343 |
< |
getpicture() /* load in picture colors */ |
343 |
> |
static void |
344 |
> |
getpicture(void) /* load in picture colors */ |
345 |
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{ |
346 |
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COLR *scanln; |
347 |
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COLOR pval; |
383 |
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} |
384 |
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|
385 |
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|
386 |
< |
getcolors() /* get xyY colors from standard input */ |
386 |
> |
static void |
387 |
> |
getcolors(void) /* get xyY colors from standard input */ |
388 |
|
{ |
389 |
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int gotwhite = 0; |
390 |
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COLOR whiteclr; |
432 |
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} |
433 |
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|
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|
435 |
< |
bresp(y, x) /* piecewise linear interpolation of primaries */ |
436 |
< |
COLOR y, x; |
435 |
> |
static void |
436 |
> |
bresp( /* piecewise linear interpolation of primaries */ |
437 |
> |
COLOR y, |
438 |
> |
COLOR x |
439 |
> |
) |
440 |
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{ |
441 |
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register int i, n; |
442 |
|
|
453 |
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} |
454 |
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|
455 |
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|
456 |
< |
compute() /* compute color mapping */ |
456 |
> |
static void |
457 |
> |
compute(void) /* compute color mapping */ |
458 |
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{ |
459 |
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COLOR clrin[24], clrout[24]; |
460 |
|
long cflags; |
469 |
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/* compute piecewise luminance curve */ |
470 |
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for (i = 0; i < NMBNEU; i++) { |
471 |
|
copycolor(bramp[i][0], inpRGB[mbneu[i]]); |
472 |
+ |
for (n = i ? 3 : 0; n--; ) |
473 |
+ |
if (colval(bramp[i][0],n) <= |
474 |
+ |
colval(bramp[i-1][0],n)+1e-7) { |
475 |
+ |
fprintf(stderr, |
476 |
+ |
"%s: non-increasing neutral patch\n", progname); |
477 |
+ |
exit(1); |
478 |
+ |
} |
479 |
|
copycolor(bramp[i][1], mbRGB[mbneu[i]]); |
480 |
|
} |
481 |
|
/* compute color space gamut */ |
519 |
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} |
520 |
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|
521 |
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|
522 |
< |
putmapping() /* put out color mapping */ |
522 |
> |
static void |
523 |
> |
putmapping(void) /* put out color mapping */ |
524 |
|
{ |
525 |
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static char cchar[3] = {'r', 'g', 'b'}; |
526 |
|
register int i, j; |
568 |
|
} |
569 |
|
|
570 |
|
|
571 |
< |
compsoln(cin, cout, n) /* solve 3xN system using least-squares */ |
572 |
< |
COLOR cin[], cout[]; |
573 |
< |
int n; |
571 |
> |
static void |
572 |
> |
compsoln( /* solve 3xN system using least-squares */ |
573 |
> |
COLOR cin[], |
574 |
> |
COLOR cout[], |
575 |
> |
int n |
576 |
> |
) |
577 |
|
{ |
578 |
|
extern double mx3d_adjoint(), fabs(); |
579 |
|
double mat[3][3], invmat[3][3]; |
631 |
|
} |
632 |
|
|
633 |
|
|
634 |
< |
cwarp() /* compute color warp map */ |
634 |
> |
static void |
635 |
> |
cwarp(void) /* compute color warp map */ |
636 |
|
{ |
637 |
|
register int i; |
638 |
|
|
648 |
|
} |
649 |
|
|
650 |
|
|
651 |
< |
int |
652 |
< |
cvtcolor(cout, cin) /* convert color according to our mapping */ |
653 |
< |
COLOR cout, cin; |
651 |
> |
static int |
652 |
> |
cvtcolor( /* convert color according to our mapping */ |
653 |
> |
COLOR cout, |
654 |
> |
COLOR cin |
655 |
> |
) |
656 |
|
{ |
657 |
|
COLOR ctmp; |
658 |
|
int clipped; |
671 |
|
} |
672 |
|
|
673 |
|
|
674 |
< |
int |
675 |
< |
cresp(cout, cin) /* transform color according to matrix */ |
676 |
< |
COLOR cout, cin; |
674 |
> |
static int |
675 |
> |
cresp( /* transform color according to matrix */ |
676 |
> |
COLOR cout, |
677 |
> |
COLOR cin |
678 |
> |
) |
679 |
|
{ |
680 |
|
colortrans(cout, solmat, cin); |
681 |
|
return(clipgamut(cout, bright(cout), CGAMUT, colmin, colmax)); |
682 |
|
} |
683 |
|
|
684 |
|
|
685 |
< |
xyY2RGB(rgbout, xyYin) /* convert xyY to RGB */ |
686 |
< |
COLOR rgbout; |
687 |
< |
register float xyYin[3]; |
685 |
> |
static void |
686 |
> |
xyY2RGB( /* convert xyY to RGB */ |
687 |
> |
COLOR rgbout, |
688 |
> |
register float xyYin[3] |
689 |
> |
) |
690 |
|
{ |
691 |
|
COLOR ctmp; |
692 |
|
double d; |
700 |
|
} |
701 |
|
|
702 |
|
|
703 |
< |
picdebug() /* put out debugging picture */ |
703 |
> |
static void |
704 |
> |
picdebug(void) /* put out debugging picture */ |
705 |
|
{ |
706 |
|
static COLOR blkcol = BLKCOLOR; |
707 |
|
COLOR *scan; |
757 |
|
} |
758 |
|
|
759 |
|
|
760 |
< |
clrdebug() /* put out debug picture from color input */ |
760 |
> |
static void |
761 |
> |
clrdebug(void) /* put out debug picture from color input */ |
762 |
|
{ |
763 |
|
static COLR blkclr = BLKCOLR; |
764 |
|
COLR mbclr[24], cvclr[24], orclr[24]; |
828 |
|
} |
829 |
|
|
830 |
|
|
831 |
< |
getpos(name, bnds, fp) /* get boundary position */ |
832 |
< |
char *name; |
833 |
< |
int bnds[2]; |
834 |
< |
FILE *fp; |
831 |
> |
static void |
832 |
> |
getpos( /* get boundary position */ |
833 |
> |
char *name, |
834 |
> |
int bnds[2], |
835 |
> |
FILE *fp |
836 |
> |
) |
837 |
|
{ |
838 |
|
char buf[64]; |
839 |
|
|
847 |
|
} |
848 |
|
|
849 |
|
|
850 |
< |
pickchartpos(pfn) /* display picture and pick chart location */ |
851 |
< |
char *pfn; |
850 |
> |
static void |
851 |
> |
pickchartpos( /* display picture and pick chart location */ |
852 |
> |
char *pfn |
853 |
> |
) |
854 |
|
{ |
855 |
|
char combuf[PATH_MAX]; |
856 |
|
FILE *pfp; |