6 |
|
*/ |
7 |
|
|
8 |
|
#include <errno.h> |
9 |
– |
#include <ctype.h> |
9 |
|
#include "rtio.h" |
11 |
– |
#include "resolu.h" |
10 |
|
#include "rmatrix.h" |
11 |
|
#include "platform.h" |
12 |
|
|
13 |
< |
#define MAXCOMP MAXCSAMP /* #components we support */ |
13 |
> |
/* Preferred BSDF component: |
14 |
> |
none, transmission, reflection front (normal side), reflection back */ |
15 |
> |
typedef enum {RMPnone=-1, RMPtrans=0, RMPreflF, RMPreflB} RMPref; |
16 |
|
|
17 |
|
/* Unary matrix operation(s) */ |
18 |
|
typedef struct { |
19 |
– |
double sca[MAXCOMP]; /* scalar coefficients */ |
19 |
|
double cmat[MAXCOMP*MAXCOMP]; /* component transformation */ |
20 |
< |
short nsf; /* number of scalars */ |
20 |
> |
double sca[MAXCOMP]; /* scalar coefficients */ |
21 |
> |
const char *csym; /* symbolic coefs or file */ |
22 |
|
short clen; /* number of coefficients */ |
23 |
< |
char csym[11]; /* symbolic coefficients */ |
24 |
< |
char transpose; /* do transpose? */ |
23 |
> |
short nsf; /* number of scalars */ |
24 |
> |
short transpose; /* do transpose? */ |
25 |
|
} RUNARYOP; |
26 |
|
|
27 |
|
/* Matrix input source and requested operation(s) */ |
36 |
|
int verbose = 0; /* verbose reporting? */ |
37 |
|
|
38 |
|
/* Load matrix */ |
39 |
< |
static int |
39 |
> |
int |
40 |
|
loadmatrix(ROPMAT *rop) |
41 |
|
{ |
42 |
< |
if (rop->mtx != NULL) /* already loaded? */ |
42 |
> |
if (rop->mtx) /* already loaded? */ |
43 |
|
return(0); |
44 |
+ |
/* check for BSDF input */ |
45 |
+ |
if ((rop->inspec[0] != '!') & (rop->rmp != RMPnone)) { |
46 |
+ |
const char *sp = strrchr(rop->inspec, '.'); |
47 |
+ |
if (sp > rop->inspec && !strcasecmp(sp+1, "XML")) { |
48 |
+ |
CMATRIX *cm = rop->rmp==RMPtrans ? cm_loadBTDF(rop->inspec) : |
49 |
+ |
cm_loadBRDF(rop->inspec, rop->rmp==RMPreflB) ; |
50 |
+ |
if (!cm) |
51 |
+ |
return(-1); |
52 |
+ |
rop->mtx = rmx_from_cmatrix(cm); |
53 |
+ |
cm_free(cm); |
54 |
+ |
if (!rop->mtx) |
55 |
+ |
return(-1); |
56 |
+ |
rop->mtx->dtype = DTascii; |
57 |
+ |
return(1); /* loaded BSDF XML file */ |
58 |
+ |
} |
59 |
+ |
} /* else load regular matrix */ |
60 |
+ |
rop->mtx = rmx_load(rop->inspec); |
61 |
|
|
62 |
< |
rop->mtx = rmx_load(rop->inspec, rop->rmp); |
62 |
> |
return(rop->mtx ? 1 : -1); |
63 |
> |
} |
64 |
|
|
65 |
< |
return(!rop->mtx ? -1 : 1); |
65 |
> |
extern int checksymbolic(ROPMAT *rop); |
66 |
> |
|
67 |
> |
/* Check/set transform based on a reference input file */ |
68 |
> |
int |
69 |
> |
checkreffile(ROPMAT *rop) |
70 |
> |
{ |
71 |
> |
static const char *curRF = NULL; |
72 |
> |
static RMATRIX refm; |
73 |
> |
const int nc = rop->mtx->ncomp; |
74 |
> |
int i; |
75 |
> |
|
76 |
> |
if (!curRF || strcmp(rop->preop.csym, curRF)) { |
77 |
> |
FILE *fp = fopen(rop->preop.csym, "rb"); |
78 |
> |
if (!rmx_load_header(&refm, fp)) { |
79 |
> |
fprintf(stderr, "%s: cannot read info header\n", |
80 |
> |
rop->preop.csym); |
81 |
> |
curRF = NULL; |
82 |
> |
if (fp) fclose(fp); |
83 |
> |
return(-1); |
84 |
> |
} |
85 |
> |
fclose(fp); |
86 |
> |
curRF = rop->preop.csym; |
87 |
> |
} |
88 |
> |
if (refm.ncomp == 3) { |
89 |
> |
rop->preop.csym = (refm.dtype == DTxyze) ? "XYZ" : "RGB"; |
90 |
> |
return(checksymbolic(rop)); |
91 |
> |
} |
92 |
> |
if (refm.ncomp == 2) { |
93 |
> |
fprintf(stderr, "%s: cannot convert to 2 components\n", |
94 |
> |
curRF); |
95 |
> |
return(-1); |
96 |
> |
} |
97 |
> |
if (refm.ncomp == 1) { |
98 |
> |
rop->preop.csym = "Y"; /* XXX big assumption */ |
99 |
> |
return(checksymbolic(rop)); |
100 |
> |
} |
101 |
> |
if (refm.ncomp == nc && |
102 |
> |
!memcmp(refm.wlpart, rop->mtx->wlpart, sizeof(refm.wlpart))) |
103 |
> |
return(0); /* nothing to do */ |
104 |
> |
|
105 |
> |
if ((nc <= 3) | (nc > MAXCSAMP) | (refm.ncomp > MAXCSAMP)) { |
106 |
> |
fprintf(stderr, "%s: cannot resample from %d to %d components\n", |
107 |
> |
curRF, nc, refm.ncomp); |
108 |
> |
return(-1); |
109 |
> |
} |
110 |
> |
rop->preop.clen = refm.ncomp * nc; /* compute spec to ref */ |
111 |
> |
|
112 |
> |
for (i = 0; i < nc; i++) { |
113 |
> |
SCOLOR scstim, scresp; |
114 |
> |
int j; |
115 |
> |
memset(scstim, 0, sizeof(COLORV)*nc); |
116 |
> |
scstim[i] = 1.f; |
117 |
> |
convertscolor(scresp, refm.ncomp, refm.wlpart[0], refm.wlpart[3], |
118 |
> |
scstim, nc, rop->mtx->wlpart[0], rop->mtx->wlpart[3]); |
119 |
> |
for (j = refm.ncomp; j-- > 0; ) |
120 |
> |
rop->preop.cmat[j*nc + i] = scresp[j]; |
121 |
> |
} |
122 |
> |
memcpy(rop->mtx->wlpart, refm.wlpart, sizeof(rop->mtx->wlpart)); |
123 |
> |
return(0); |
124 |
|
} |
125 |
|
|
126 |
|
/* Compute conversion row from spectrum to one channel of RGB */ |
127 |
< |
static void |
127 |
> |
void |
128 |
|
rgbrow(ROPMAT *rop, int r, int p) |
129 |
|
{ |
130 |
|
const int nc = rop->mtx->ncomp; |
141 |
|
} |
142 |
|
|
143 |
|
/* Compute conversion row from spectrum to one channel of XYZ */ |
144 |
< |
static void |
144 |
> |
void |
145 |
|
xyzrow(ROPMAT *rop, int r, int p) |
146 |
|
{ |
147 |
|
const int nc = rop->mtx->ncomp; |
158 |
|
} |
159 |
|
|
160 |
|
/* Use the spectral sensitivity function to compute matrix coefficients */ |
161 |
< |
static void |
162 |
< |
sensrow(ROPMAT *rop, int r, double (*sf)(SCOLOR sc, int ncs, const float wlpt[4])) |
161 |
> |
void |
162 |
> |
sensrow(ROPMAT *rop, int r, double (*sf)(const SCOLOR sc, int ncs, const float wlpt[4])) |
163 |
|
{ |
164 |
|
const int nc = rop->mtx->ncomp; |
165 |
|
int i; |
166 |
|
|
167 |
|
for (i = nc; i--; ) { |
168 |
|
SCOLOR sclr; |
169 |
< |
scolorblack(sclr); |
169 |
> |
memset(sclr, 0, sizeof(COLORV)*nc); |
170 |
|
sclr[i] = 1.f; |
171 |
|
rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->mtx->wlpart); |
172 |
|
} |
173 |
|
} |
174 |
|
|
175 |
|
/* Check/set symbolic transform */ |
176 |
< |
static int |
176 |
> |
int |
177 |
|
checksymbolic(ROPMAT *rop) |
178 |
|
{ |
179 |
|
const int nc = rop->mtx->ncomp; |
180 |
|
const int dt = rop->mtx->dtype; |
181 |
+ |
double cf = 1; |
182 |
|
int i, j; |
183 |
+ |
/* check suffix => reference file */ |
184 |
+ |
if (strchr(rop->preop.csym, '.') > rop->preop.csym) |
185 |
+ |
return(checkreffile(rop)); |
186 |
|
|
187 |
|
if (nc < 3) { |
188 |
|
fprintf(stderr, "%s: -c '%s' requires at least 3 components\n", |
199 |
|
int comp = 0; |
200 |
|
switch (rop->preop.csym[j]) { |
201 |
|
case 'B': |
202 |
+ |
case 'b': |
203 |
|
++comp; |
204 |
|
/* fall through */ |
205 |
|
case 'G': |
206 |
+ |
case 'g': |
207 |
|
++comp; |
208 |
|
/* fall through */ |
209 |
|
case 'R': |
210 |
+ |
case 'r': |
211 |
+ |
if (rop->preop.csym[j] <= 'Z') |
212 |
+ |
cf = 1./WHTEFFICACY; |
213 |
|
if (dt == DTxyze) { |
214 |
|
for (i = 3; i--; ) |
215 |
< |
rop->preop.cmat[j*nc+i] = 1./WHTEFFICACY * |
131 |
< |
xyz2rgbmat[comp][i]; |
215 |
> |
rop->preop.cmat[j*nc+i] = cf*xyz2rgbmat[comp][i]; |
216 |
|
} else if (nc == 3) |
217 |
|
rop->preop.cmat[j*nc+comp] = 1.; |
218 |
|
else |
219 |
|
rgbrow(rop, j, comp); |
220 |
|
break; |
221 |
|
case 'Z': |
222 |
+ |
case 'z': |
223 |
|
++comp; |
224 |
|
/* fall through */ |
225 |
|
case 'Y': |
226 |
+ |
case 'y': |
227 |
|
++comp; |
228 |
|
/* fall through */ |
229 |
|
case 'X': |
230 |
+ |
case 'x': |
231 |
+ |
if ((rop->preop.csym[j] <= 'Z') & (dt != DTxyze)) |
232 |
+ |
cf = WHTEFFICACY; |
233 |
|
if (dt == DTxyze) { |
234 |
|
rop->preop.cmat[j*nc+comp] = 1.; |
235 |
|
} else if (nc == 3) { |
241 |
|
else |
242 |
|
xyzrow(rop, j, comp); |
243 |
|
|
244 |
< |
for (i = nc*(dt != DTxyze); i--; ) |
245 |
< |
rop->preop.cmat[j*nc+i] *= WHTEFFICACY; |
244 |
> |
for (i = nc*(cf != 1); i--; ) |
245 |
> |
rop->preop.cmat[j*nc+i] *= cf; |
246 |
|
break; |
247 |
|
case 'S': /* scotopic (il)luminance */ |
248 |
+ |
cf = WHTSCOTOPIC; |
249 |
+ |
/* fall through */ |
250 |
+ |
case 's': |
251 |
|
sensrow(rop, j, scolor2scotopic); |
252 |
< |
for (i = nc; i--; ) |
253 |
< |
rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC; |
252 |
> |
for (i = nc*(cf != 1); i--; ) |
253 |
> |
rop->preop.cmat[j*nc+i] *= cf; |
254 |
|
break; |
255 |
|
case 'M': /* melanopic (il)luminance */ |
256 |
+ |
cf = WHTMELANOPIC; |
257 |
+ |
/* fall through */ |
258 |
+ |
case 'm': |
259 |
|
sensrow(rop, j, scolor2melanopic); |
260 |
< |
for (i = nc; i--; ) |
261 |
< |
rop->preop.cmat[j*nc+i] *= WHTMELANOPIC; |
260 |
> |
for (i = nc*(cf != 1); i--; ) |
261 |
> |
rop->preop.cmat[j*nc+i] *= cf; |
262 |
|
break; |
263 |
|
case 'A': /* average component */ |
264 |
+ |
case 'a': |
265 |
|
for (i = nc; i--; ) |
266 |
|
rop->preop.cmat[j*nc+i] = 1./(double)nc; |
267 |
|
break; |
272 |
|
} |
273 |
|
} |
274 |
|
/* return recommended output type */ |
275 |
< |
if (!strcmp(rop->preop.csym, "XYZ")) { |
275 |
> |
if (!strcasecmp(rop->preop.csym, "XYZ")) { |
276 |
|
if (dt <= DTspec) |
277 |
|
return(DTxyze); |
278 |
< |
} else if (!strcmp(rop->preop.csym, "RGB")) { |
278 |
> |
} else if (!strcasecmp(rop->preop.csym, "RGB")) { |
279 |
|
if (dt <= DTspec) |
280 |
|
return(DTrgbe); |
281 |
< |
} |
186 |
< |
if ((nc > 3) & (dt <= DTspec)) |
281 |
> |
} else if (dt == DTspec) |
282 |
|
return(DTfloat); /* probably not actual spectrum */ |
283 |
|
return(0); |
284 |
|
} |
285 |
|
|
286 |
|
/* Get matrix and perform unary operations */ |
287 |
< |
static RMATRIX * |
287 |
> |
RMATRIX * |
288 |
|
loadop(ROPMAT *rop) |
289 |
|
{ |
290 |
|
int outtype = 0; |
294 |
|
if (loadmatrix(rop) < 0) /* make sure we're loaded */ |
295 |
|
return(NULL); |
296 |
|
|
297 |
< |
if (rop->preop.csym[0] && /* symbolic transform? */ |
297 |
> |
if (rop->preop.csym && /* symbolic transform? */ |
298 |
|
(outtype = checksymbolic(rop)) < 0) |
299 |
|
goto failure; |
300 |
|
if (rop->preop.clen > 0) { /* apply component transform? */ |
307 |
|
if (rop->preop.nsf == 1) { |
308 |
|
for (i = rop->preop.clen; i--; ) |
309 |
|
rop->preop.cmat[i] *= rop->preop.sca[0]; |
310 |
< |
} else if (rop->preop.nsf != rop->mtx->ncomp) { |
310 |
> |
} else if (rop->preop.nsf*rop->mtx->ncomp != rop->preop.clen) { |
311 |
|
fprintf(stderr, "%s: -s must have one or %d factors\n", |
312 |
< |
rop->inspec, rop->mtx->ncomp); |
312 |
> |
rop->inspec, |
313 |
> |
rop->preop.clen/rop->mtx->ncomp); |
314 |
|
goto failure; |
315 |
|
} else { |
316 |
< |
for (j = rop->preop.clen/rop->preop.nsf; j--; ) |
317 |
< |
for (i = rop->preop.nsf; i--; ) |
318 |
< |
rop->preop.cmat[j*rop->preop.nsf+i] *= |
319 |
< |
rop->preop.sca[i]; |
316 |
> |
for (i = rop->preop.nsf; i--; ) |
317 |
> |
for (j = rop->mtx->ncomp; j--; ) |
318 |
> |
rop->preop.cmat[i*rop->mtx->ncomp+j] |
319 |
> |
*= rop->preop.sca[i]; |
320 |
|
} |
321 |
|
} |
322 |
|
mres = rmx_transform(rop->mtx, rop->preop.clen/rop->mtx->ncomp, |
360 |
|
} |
361 |
|
} |
362 |
|
if (rop->preop.transpose) { /* transpose matrix? */ |
363 |
< |
mres = rmx_transpose(rop->mtx); |
268 |
< |
if (mres == NULL) { |
363 |
> |
if (!rmx_transpose(rop->mtx)) { |
364 |
|
fputs(rop->inspec, stderr); |
365 |
|
fputs(": transpose failed\n", stderr); |
366 |
|
goto failure; |
369 |
|
fputs(rop->inspec, stderr); |
370 |
|
fputs(": transposed rows and columns\n", stderr); |
371 |
|
} |
277 |
– |
rmx_free(rop->mtx); |
278 |
– |
rop->mtx = mres; |
372 |
|
} |
373 |
|
mres = rop->mtx; |
374 |
|
rop->mtx = NULL; |
381 |
|
} |
382 |
|
|
383 |
|
/* Execute binary operation, free matrix arguments and return new result */ |
384 |
< |
static RMATRIX * |
384 |
> |
RMATRIX * |
385 |
|
binaryop(const char *inspec, RMATRIX *mleft, int op, RMATRIX *mright) |
386 |
|
{ |
387 |
|
RMATRIX *mres = NULL; |
458 |
|
} |
459 |
|
|
460 |
|
/* Perform matrix operations from left to right */ |
461 |
< |
static RMATRIX * |
461 |
> |
RMATRIX * |
462 |
|
op_left2right(ROPMAT *mop) |
463 |
|
{ |
464 |
|
RMATRIX *mleft = loadop(mop); |
474 |
|
} |
475 |
|
|
476 |
|
/* Perform matrix operations from right to left */ |
477 |
< |
static RMATRIX * |
477 |
> |
RMATRIX * |
478 |
|
op_right2left(ROPMAT *mop) |
479 |
|
{ |
480 |
|
RMATRIX *mright; |
503 |
|
: (mop)->mtx->ncols) |
504 |
|
|
505 |
|
/* Should we prefer concatenating from rightmost matrix towards left? */ |
506 |
< |
static int |
506 |
> |
int |
507 |
|
prefer_right2left(ROPMAT *mop) |
508 |
|
{ |
509 |
|
int mri = 0; |
530 |
|
return(t_ncols(mop+mri) < t_nrows(mop)); |
531 |
|
} |
532 |
|
|
533 |
< |
static int |
533 |
> |
int |
534 |
|
get_factors(double da[], int n, char *av[]) |
535 |
|
{ |
536 |
|
int ac; |
540 |
|
return(ac); |
541 |
|
} |
542 |
|
|
543 |
< |
static ROPMAT * |
543 |
> |
ROPMAT * |
544 |
|
resize_moparr(ROPMAT *mop, int n2alloc) |
545 |
|
{ |
546 |
|
int nmats = 0; |
548 |
|
|
549 |
|
while (mop[nmats++].binop) |
550 |
|
; |
551 |
< |
for (i = nmats; i > n2alloc; i--) |
551 |
> |
for (i = nmats; i >= n2alloc; i--) |
552 |
|
rmx_free(mop[i].mtx); |
553 |
|
mop = (ROPMAT *)realloc(mop, n2alloc*sizeof(ROPMAT)); |
554 |
|
if (mop == NULL) { |
564 |
|
int |
565 |
|
main(int argc, char *argv[]) |
566 |
|
{ |
567 |
< |
int outfmt = DTfromHeader; |
568 |
< |
int nall = 2; |
569 |
< |
ROPMAT *mop = (ROPMAT *)calloc(nall, sizeof(ROPMAT)); |
570 |
< |
int nmats = 0; |
571 |
< |
RMATRIX *mres = NULL; |
572 |
< |
int stdin_used = 0; |
573 |
< |
int i; |
567 |
> |
int outfmt = DTfromHeader; |
568 |
> |
const char *defCsym = NULL; |
569 |
> |
int nall = 2; |
570 |
> |
ROPMAT *mop = (ROPMAT *)calloc(nall, sizeof(ROPMAT)); |
571 |
> |
int nmats = 0; |
572 |
> |
RMATRIX *mres = NULL; |
573 |
> |
int stdin_used = 0; |
574 |
> |
int i; |
575 |
|
/* get options and arguments */ |
576 |
|
for (i = 1; i < argc; i++) { |
577 |
|
if (argv[i][0] && !argv[i][1] && |
594 |
|
mop[nmats].inspec = stdin_name; |
595 |
|
} else |
596 |
|
mop[nmats].inspec = argv[i]; |
597 |
+ |
if (!mop[nmats].preop.csym) |
598 |
+ |
mop[nmats].preop.csym = defCsym; |
599 |
|
if (nmats > 0 && !mop[nmats-1].binop) |
600 |
|
mop[nmats-1].binop = '.'; |
601 |
|
nmats++; |
637 |
|
goto userr; |
638 |
|
} |
639 |
|
break; |
640 |
+ |
case 'C': |
641 |
+ |
if (!n || isflt(argv[i+1])) |
642 |
+ |
goto userr; |
643 |
+ |
defCsym = mop[nmats].preop.csym = argv[++i]; |
644 |
+ |
mop[nmats].preop.clen = 0; |
645 |
+ |
break; |
646 |
|
case 'c': |
647 |
< |
if (n && isupper(argv[i+1][0])) { |
648 |
< |
strlcpy(mop[nmats].preop.csym, |
547 |
< |
argv[++i], |
548 |
< |
sizeof(mop[0].preop.csym)); |
647 |
> |
if (n && !isflt(argv[i+1])) { |
648 |
> |
mop[nmats].preop.csym = argv[++i]; |
649 |
|
mop[nmats].preop.clen = 0; |
650 |
|
break; |
651 |
|
} |
658 |
|
argv[0]); |
659 |
|
goto userr; |
660 |
|
} |
661 |
< |
mop[nmats].preop.csym[0] = '\0'; |
661 |
> |
mop[nmats].preop.csym = NULL; |
662 |
|
break; |
663 |
|
case 'r': |
664 |
|
if (argv[i][2] == 'f') |
695 |
|
mres = loadop(mop+nmats); |
696 |
|
if (mres == NULL) |
697 |
|
return(1); |
698 |
< |
if (outfmt == DTfromHeader) /* check data type */ |
698 |
> |
if ((outfmt == DTfromHeader) & (mres->dtype < DTspec)) |
699 |
|
outfmt = mres->dtype; |
700 |
< |
if (outfmt == DTrgbe) { |
700 |
> |
if (outfmt == DTrgbe) { /* check data type */ |
701 |
|
if (mres->ncomp > 3) |
702 |
|
outfmt = DTspec; |
703 |
|
else if (mres->dtype == DTxyze) |
704 |
|
outfmt = DTxyze; |
705 |
|
} |
706 |
+ |
#if DTrmx_native==DTfloat |
707 |
+ |
if (outfmt == DTdouble) |
708 |
+ |
fprintf(stderr, |
709 |
+ |
"%s: warning - writing float result as double\n", |
710 |
+ |
argv[0]); |
711 |
+ |
#endif |
712 |
|
newheader("RADIANCE", stdout); /* write result to stdout */ |
713 |
|
printargs(argc, argv, stdout); |
714 |
|
return(rmx_write(mres, outfmt, stdout) ? 0 : 1); |