| 7 |
|
|
| 8 |
|
#include <stdlib.h> |
| 9 |
|
#include <errno.h> |
| 10 |
+ |
#include <ctype.h> |
| 11 |
|
#include "rtio.h" |
| 12 |
|
#include "resolu.h" |
| 13 |
|
#include "rmatrix.h" |
| 14 |
|
#include "platform.h" |
| 15 |
|
|
| 16 |
< |
#define MAXCOMP 16 /* #components we support */ |
| 16 |
> |
#define MAXCOMP MAXCSAMP /* #components we support */ |
| 17 |
|
|
| 18 |
< |
static const char stdin_name[] = "<stdin>"; |
| 18 |
< |
|
| 19 |
< |
/* unary matrix operation(s) */ |
| 18 |
> |
/* Unary matrix operation(s) */ |
| 19 |
|
typedef struct { |
| 20 |
|
double sca[MAXCOMP]; /* scalar coefficients */ |
| 21 |
|
double cmat[MAXCOMP*MAXCOMP]; /* component transformation */ |
| 22 |
|
short nsf; /* number of scalars */ |
| 23 |
|
short clen; /* number of coefficients */ |
| 24 |
< |
short transpose; /* do transpose? */ |
| 24 |
> |
char csym[11]; /* symbolic coefficients */ |
| 25 |
> |
char transpose; /* do transpose? */ |
| 26 |
|
} RUNARYOP; |
| 27 |
|
|
| 28 |
< |
/* matrix input source and requested operation(s) */ |
| 28 |
> |
/* Matrix input source and requested operation(s) */ |
| 29 |
|
typedef struct { |
| 30 |
|
const char *inspec; /* input specification */ |
| 31 |
+ |
RMPref rmp; /* matrix preference */ |
| 32 |
|
RUNARYOP preop; /* unary operation(s) */ |
| 33 |
|
RMATRIX *mtx; /* original matrix if loaded */ |
| 34 |
|
int binop; /* binary op with next (or 0) */ |
| 40 |
|
static int |
| 41 |
|
loadmatrix(ROPMAT *rop) |
| 42 |
|
{ |
| 43 |
< |
if (rop->mtx != NULL) |
| 43 |
> |
if (rop->mtx != NULL) /* already loaded? */ |
| 44 |
|
return(0); |
| 45 |
|
|
| 46 |
< |
rop->mtx = rmx_load(rop->inspec == stdin_name ? |
| 47 |
< |
(const char *)NULL : rop->inspec); |
| 48 |
< |
if (rop->mtx == NULL) { |
| 49 |
< |
fputs(rop->inspec, stderr); |
| 50 |
< |
fputs(": cannot load matrix\n", stderr); |
| 46 |
> |
rop->mtx = rmx_load(rop->inspec, rop->rmp); |
| 47 |
> |
|
| 48 |
> |
return(!rop->mtx ? -1 : 1); |
| 49 |
> |
} |
| 50 |
> |
|
| 51 |
> |
/* Compute conversion row from spectrum to one channel of RGB */ |
| 52 |
> |
static void |
| 53 |
> |
rgbrow(ROPMAT *rop, int r, int p) |
| 54 |
> |
{ |
| 55 |
> |
const int nc = rop->mtx->ncomp; |
| 56 |
> |
const float * wlp = rop->mtx->wlpart; |
| 57 |
> |
int i; |
| 58 |
> |
|
| 59 |
> |
for (i = nc; i--; ) { |
| 60 |
> |
int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; |
| 61 |
> |
int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; |
| 62 |
> |
COLOR crgb; |
| 63 |
> |
spec_rgb(crgb, nmStart, nmEnd); |
| 64 |
> |
rop->preop.cmat[r*nc+i] = crgb[p]; |
| 65 |
> |
} |
| 66 |
> |
} |
| 67 |
> |
|
| 68 |
> |
/* Compute conversion row from spectrum to one channel of XYZ */ |
| 69 |
> |
static void |
| 70 |
> |
xyzrow(ROPMAT *rop, int r, int p) |
| 71 |
> |
{ |
| 72 |
> |
const int nc = rop->mtx->ncomp; |
| 73 |
> |
const float * wlp = rop->mtx->wlpart; |
| 74 |
> |
int i; |
| 75 |
> |
|
| 76 |
> |
for (i = nc; i--; ) { |
| 77 |
> |
int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; |
| 78 |
> |
int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; |
| 79 |
> |
COLOR cxyz; |
| 80 |
> |
spec_cie(cxyz, nmStart, nmEnd); |
| 81 |
> |
rop->preop.cmat[r*nc+i] = cxyz[p]; |
| 82 |
> |
} |
| 83 |
> |
} |
| 84 |
> |
|
| 85 |
> |
/* Use the spectral sensitivity function to compute matrix coefficients */ |
| 86 |
> |
static void |
| 87 |
> |
sensrow(ROPMAT *rop, int r, double (*sf)(SCOLOR sc, int ncs, const float wlpt[4])) |
| 88 |
> |
{ |
| 89 |
> |
const int nc = rop->mtx->ncomp; |
| 90 |
> |
int i; |
| 91 |
> |
|
| 92 |
> |
for (i = nc; i--; ) { |
| 93 |
> |
SCOLOR sclr; |
| 94 |
> |
scolorblack(sclr); |
| 95 |
> |
sclr[i] = 1.f; |
| 96 |
> |
rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->mtx->wlpart); |
| 97 |
> |
} |
| 98 |
> |
} |
| 99 |
> |
|
| 100 |
> |
/* Check/set symbolic transform */ |
| 101 |
> |
static int |
| 102 |
> |
checksymbolic(ROPMAT *rop) |
| 103 |
> |
{ |
| 104 |
> |
const int nc = rop->mtx->ncomp; |
| 105 |
> |
const int dt = rop->mtx->dtype; |
| 106 |
> |
int i, j; |
| 107 |
> |
|
| 108 |
> |
if (nc < 3) { |
| 109 |
> |
fprintf(stderr, "%s: -c '%s' requires at least 3 components\n", |
| 110 |
> |
rop->inspec, rop->preop.csym); |
| 111 |
|
return(-1); |
| 112 |
|
} |
| 113 |
< |
return(1); |
| 113 |
> |
rop->preop.clen = strlen(rop->preop.csym) * nc; |
| 114 |
> |
if (rop->preop.clen > MAXCOMP*MAXCOMP) { |
| 115 |
> |
fprintf(stderr, "%s: -c '%s' results in too many components\n", |
| 116 |
> |
rop->inspec, rop->preop.csym); |
| 117 |
> |
return(-1); |
| 118 |
> |
} |
| 119 |
> |
for (j = 0; rop->preop.csym[j]; j++) { |
| 120 |
> |
int comp = 0; |
| 121 |
> |
switch (rop->preop.csym[j]) { |
| 122 |
> |
case 'B': |
| 123 |
> |
++comp; |
| 124 |
> |
/* fall through */ |
| 125 |
> |
case 'G': |
| 126 |
> |
++comp; |
| 127 |
> |
/* fall through */ |
| 128 |
> |
case 'R': |
| 129 |
> |
if (dt == DTxyze) { |
| 130 |
> |
for (i = 3; i--; ) |
| 131 |
> |
rop->preop.cmat[j*nc+i] = 1./WHTEFFICACY * |
| 132 |
> |
xyz2rgbmat[comp][i]; |
| 133 |
> |
} else if (nc == 3) |
| 134 |
> |
rop->preop.cmat[j*nc+comp] = 1.; |
| 135 |
> |
else |
| 136 |
> |
rgbrow(rop, j, comp); |
| 137 |
> |
break; |
| 138 |
> |
case 'Z': |
| 139 |
> |
++comp; |
| 140 |
> |
/* fall through */ |
| 141 |
> |
case 'Y': |
| 142 |
> |
++comp; |
| 143 |
> |
/* fall through */ |
| 144 |
> |
case 'X': |
| 145 |
> |
if (dt == DTxyze) { |
| 146 |
> |
rop->preop.cmat[j*nc+comp] = 1.; |
| 147 |
> |
} else if (nc == 3) { |
| 148 |
> |
for (i = 3; i--; ) |
| 149 |
> |
rop->preop.cmat[j*nc+i] = |
| 150 |
> |
rgb2xyzmat[comp][i]; |
| 151 |
> |
} else if (comp == CIEY) |
| 152 |
> |
sensrow(rop, j, scolor2photopic); |
| 153 |
> |
else |
| 154 |
> |
xyzrow(rop, j, comp); |
| 155 |
> |
|
| 156 |
> |
for (i = nc*(dt != DTxyze); i--; ) |
| 157 |
> |
rop->preop.cmat[j*nc+i] *= WHTEFFICACY; |
| 158 |
> |
break; |
| 159 |
> |
case 'S': /* scotopic (il)luminance */ |
| 160 |
> |
sensrow(rop, j, scolor2scotopic); |
| 161 |
> |
for (i = nc; i--; ) |
| 162 |
> |
rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC; |
| 163 |
> |
break; |
| 164 |
> |
case 'M': /* melanopic (il)luminance */ |
| 165 |
> |
sensrow(rop, j, scolor2melanopic); |
| 166 |
> |
for (i = nc; i--; ) |
| 167 |
> |
rop->preop.cmat[j*nc+i] *= WHTMELANOPIC; |
| 168 |
> |
break; |
| 169 |
> |
case 'A': /* average component */ |
| 170 |
> |
for (i = nc; i--; ) |
| 171 |
> |
rop->preop.cmat[j*nc+i] = 1./(double)nc; |
| 172 |
> |
break; |
| 173 |
> |
default: |
| 174 |
> |
fprintf(stderr, "%s: -c '%c' unsupported\n", |
| 175 |
> |
rop->inspec, rop->preop.csym[j]); |
| 176 |
> |
return(-1); |
| 177 |
> |
} |
| 178 |
> |
} |
| 179 |
> |
/* return recommended output type */ |
| 180 |
> |
if (!strcmp(rop->preop.csym, "XYZ")) { |
| 181 |
> |
if (dt <= DTspec) |
| 182 |
> |
return(DTxyze); |
| 183 |
> |
} else if (!strcmp(rop->preop.csym, "RGB")) { |
| 184 |
> |
if (dt <= DTspec) |
| 185 |
> |
return(DTrgbe); |
| 186 |
> |
} |
| 187 |
> |
if ((nc > 3) & (dt <= DTspec)) |
| 188 |
> |
return(DTfloat); /* probably not actual spectrum */ |
| 189 |
> |
return(0); |
| 190 |
|
} |
| 191 |
|
|
| 192 |
|
/* Get matrix and perform unary operations */ |
| 193 |
|
static RMATRIX * |
| 194 |
|
loadop(ROPMAT *rop) |
| 195 |
|
{ |
| 196 |
+ |
int outtype = 0; |
| 197 |
|
RMATRIX *mres; |
| 198 |
< |
int i; |
| 198 |
> |
int i, j; |
| 199 |
|
|
| 200 |
|
if (loadmatrix(rop) < 0) /* make sure we're loaded */ |
| 201 |
|
return(NULL); |
| 202 |
|
|
| 203 |
< |
if (rop->preop.nsf > 0) { /* apply scalar(s) */ |
| 204 |
< |
if (rop->preop.clen > 0) { |
| 205 |
< |
fputs("Options -s and -c are exclusive\n", stderr); |
| 203 |
> |
if (rop->preop.csym[0] && /* symbolic transform? */ |
| 204 |
> |
(outtype = checksymbolic(rop)) < 0) |
| 205 |
> |
goto failure; |
| 206 |
> |
if (rop->preop.clen > 0) { /* apply component transform? */ |
| 207 |
> |
if (rop->preop.clen % rop->mtx->ncomp) { |
| 208 |
> |
fprintf(stderr, "%s: -c must have N x %d coefficients\n", |
| 209 |
> |
rop->inspec, rop->mtx->ncomp); |
| 210 |
|
goto failure; |
| 211 |
|
} |
| 212 |
+ |
if (rop->preop.nsf > 0) { /* scale transform, first */ |
| 213 |
+ |
if (rop->preop.nsf == 1) { |
| 214 |
+ |
for (i = rop->preop.clen; i--; ) |
| 215 |
+ |
rop->preop.cmat[i] *= rop->preop.sca[0]; |
| 216 |
+ |
} else if (rop->preop.nsf != rop->mtx->ncomp) { |
| 217 |
+ |
fprintf(stderr, "%s: -s must have one or %d factors\n", |
| 218 |
+ |
rop->inspec, rop->mtx->ncomp); |
| 219 |
+ |
goto failure; |
| 220 |
+ |
} else { |
| 221 |
+ |
for (j = rop->preop.clen/rop->preop.nsf; j--; ) |
| 222 |
+ |
for (i = rop->preop.nsf; i--; ) |
| 223 |
+ |
rop->preop.cmat[j*rop->preop.nsf+i] *= |
| 224 |
+ |
rop->preop.sca[i]; |
| 225 |
+ |
} |
| 226 |
+ |
} |
| 227 |
+ |
mres = rmx_transform(rop->mtx, rop->preop.clen/rop->mtx->ncomp, |
| 228 |
+ |
rop->preop.cmat); |
| 229 |
+ |
if (mres == NULL) { |
| 230 |
+ |
fprintf(stderr, "%s: matrix transform failed\n", |
| 231 |
+ |
rop->inspec); |
| 232 |
+ |
goto failure; |
| 233 |
+ |
} |
| 234 |
+ |
if (verbose) |
| 235 |
+ |
fprintf(stderr, "%s: applied %d x %d transform%s\n", |
| 236 |
+ |
rop->inspec, mres->ncomp, |
| 237 |
+ |
rop->mtx->ncomp, |
| 238 |
+ |
rop->preop.nsf ? " (* scalar)" : ""); |
| 239 |
+ |
rop->preop.nsf = 0; |
| 240 |
+ |
if ((mres->ncomp > 3) & (mres->dtype <= DTspec)) |
| 241 |
+ |
outtype = DTfloat; /* probably not actual spectrum */ |
| 242 |
+ |
rmx_free(rop->mtx); |
| 243 |
+ |
rop->mtx = mres; |
| 244 |
+ |
} |
| 245 |
+ |
if (rop->preop.nsf > 0) { /* apply scalar(s)? */ |
| 246 |
|
if (rop->preop.nsf == 1) { |
| 247 |
|
for (i = rop->mtx->ncomp; --i; ) |
| 248 |
|
rop->preop.sca[i] = rop->preop.sca[0]; |
| 264 |
|
fputs(" )\n", stderr); |
| 265 |
|
} |
| 266 |
|
} |
| 267 |
< |
if (rop->preop.clen > 0) { /* apply transform */ |
| 92 |
< |
if (rop->preop.clen % rop->mtx->ncomp) { |
| 93 |
< |
fprintf(stderr, "%s: -c must have N x %d coefficients\n", |
| 94 |
< |
rop->inspec, rop->mtx->ncomp); |
| 95 |
< |
goto failure; |
| 96 |
< |
} |
| 97 |
< |
mres = rmx_transform(rop->mtx, rop->preop.clen/rop->mtx->ncomp, |
| 98 |
< |
rop->preop.cmat); |
| 99 |
< |
if (mres == NULL) { |
| 100 |
< |
fprintf(stderr, "%s: matrix transform failed\n", |
| 101 |
< |
rop->inspec); |
| 102 |
< |
goto failure; |
| 103 |
< |
} |
| 104 |
< |
if (verbose) |
| 105 |
< |
fprintf(stderr, "%s: applied %d x %d transform\n", |
| 106 |
< |
rop->inspec, mres->ncomp, |
| 107 |
< |
rop->mtx->ncomp); |
| 108 |
< |
rmx_free(rop->mtx); |
| 109 |
< |
rop->mtx = mres; |
| 110 |
< |
} |
| 111 |
< |
if (rop->preop.transpose) { /* transpose matrix? */ |
| 267 |
> |
if (rop->preop.transpose) { /* transpose matrix? */ |
| 268 |
|
mres = rmx_transpose(rop->mtx); |
| 269 |
|
if (mres == NULL) { |
| 270 |
|
fputs(rop->inspec, stderr); |
| 280 |
|
} |
| 281 |
|
mres = rop->mtx; |
| 282 |
|
rop->mtx = NULL; |
| 283 |
+ |
if (outtype) |
| 284 |
+ |
mres->dtype = outtype; |
| 285 |
|
return(mres); |
| 286 |
|
failure: |
| 287 |
|
rmx_free(rop->mtx); |
| 399 |
|
while (rpos-- > 0) { |
| 400 |
|
if (mright == NULL) |
| 401 |
|
break; |
| 402 |
< |
mright = binaryop(mop[rpos].inspec, |
| 402 |
> |
mright = binaryop(mop[rpos+1].inspec, |
| 403 |
|
loadop(mop+rpos), mop[rpos].binop, mright); |
| 404 |
|
} |
| 405 |
|
return(mright); |
| 533 |
|
i += mop[nmats].preop.nsf = |
| 534 |
|
get_factors(mop[nmats].preop.sca, |
| 535 |
|
n, argv+i+1); |
| 536 |
+ |
if (mop[nmats].preop.nsf <= 0) { |
| 537 |
+ |
fprintf(stderr, "%s: -s missing arguments\n", |
| 538 |
+ |
argv[0]); |
| 539 |
+ |
goto userr; |
| 540 |
+ |
} |
| 541 |
|
break; |
| 542 |
|
case 'c': |
| 543 |
+ |
if (n && isupper(argv[i+1][0])) { |
| 544 |
+ |
strlcpy(mop[nmats].preop.csym, |
| 545 |
+ |
argv[++i], |
| 546 |
+ |
sizeof(mop[0].preop.csym)); |
| 547 |
+ |
mop[nmats].preop.clen = 0; |
| 548 |
+ |
break; |
| 549 |
+ |
} |
| 550 |
|
if (n > MAXCOMP*MAXCOMP) n = MAXCOMP*MAXCOMP; |
| 551 |
|
i += mop[nmats].preop.clen = |
| 552 |
|
get_factors(mop[nmats].preop.cmat, |
| 553 |
|
n, argv+i+1); |
| 554 |
+ |
if (mop[nmats].preop.clen <= 0) { |
| 555 |
+ |
fprintf(stderr, "%s: -c missing arguments\n", |
| 556 |
+ |
argv[0]); |
| 557 |
+ |
goto userr; |
| 558 |
+ |
} |
| 559 |
+ |
mop[nmats].preop.csym[0] = '\0'; |
| 560 |
|
break; |
| 561 |
+ |
case 'r': |
| 562 |
+ |
if (argv[i][2] == 'f') |
| 563 |
+ |
mop[nmats].rmp = RMPreflF; |
| 564 |
+ |
else if (argv[i][2] == 'b') |
| 565 |
+ |
mop[nmats].rmp = RMPreflB; |
| 566 |
+ |
else |
| 567 |
+ |
goto userr; |
| 568 |
+ |
break; |
| 569 |
|
default: |
| 570 |
|
fprintf(stderr, "%s: unknown operation '%s'\n", |
| 571 |
|
argv[0], argv[i]); |
| 593 |
|
mres = loadop(mop+nmats); |
| 594 |
|
if (mres == NULL) |
| 595 |
|
return(1); |
| 596 |
< |
/* write result to stdout */ |
| 413 |
< |
if (outfmt == DTfromHeader) |
| 596 |
> |
if (outfmt == DTfromHeader) /* check data type */ |
| 597 |
|
outfmt = mres->dtype; |
| 598 |
< |
if (outfmt != DTascii) |
| 598 |
> |
if (outfmt == DTrgbe) { |
| 599 |
> |
if (mres->ncomp > 3) |
| 600 |
> |
outfmt = DTspec; |
| 601 |
> |
else if (mres->dtype == DTxyze) |
| 602 |
> |
outfmt = DTxyze; |
| 603 |
> |
} |
| 604 |
> |
if (outfmt != DTascii) /* write result to stdout */ |
| 605 |
|
SET_FILE_BINARY(stdout); |
| 606 |
|
newheader("RADIANCE", stdout); |
| 607 |
|
printargs(argc, argv, stdout); |
| 608 |
< |
if (!rmx_write(mres, outfmt, stdout)) { |
| 609 |
< |
fprintf(stderr, "%s: error writing result matrix\n", argv[0]); |
| 421 |
< |
return(1); |
| 422 |
< |
} |
| 423 |
< |
/* rmx_free(mres); free(mop); */ |
| 424 |
< |
return(0); |
| 608 |
> |
|
| 609 |
> |
return(rmx_write(mres, outfmt, stdout) ? 0 : 1); |
| 610 |
|
userr: |
| 611 |
|
fprintf(stderr, |
| 612 |
< |
"Usage: %s [-v][-f[adfc][-t][-s sf .. | -c ce ..] m1 [.+*/] .. > mres\n", |
| 612 |
> |
"Usage: %s [-v][-f[adfc][-t][-s sf .. | -c ce ..][-rf|-rb] m1 [.+*/] .. > mres\n", |
| 613 |
|
argv[0]); |
| 614 |
|
return(1); |
| 615 |
|
} |