7 |
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8 |
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#include <stdlib.h> |
9 |
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#include <errno.h> |
10 |
+ |
#include <ctype.h> |
11 |
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#include "rtio.h" |
12 |
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#include "resolu.h" |
13 |
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#include "rmatrix.h" |
14 |
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#include "platform.h" |
15 |
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|
16 |
< |
#define MAXCOMP 16 /* #components we support */ |
16 |
> |
#define MAXCOMP MAXCSAMP /* #components we support */ |
17 |
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|
18 |
< |
/* unary matrix operation(s) */ |
18 |
> |
/* Unary matrix operation(s) */ |
19 |
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typedef struct { |
20 |
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double sca[MAXCOMP]; /* scalar coefficients */ |
21 |
|
double cmat[MAXCOMP*MAXCOMP]; /* component transformation */ |
22 |
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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 |
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} RUNARYOP; |
27 |
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|
28 |
< |
/* matrix input source and requested operation(s) */ |
28 |
> |
/* Matrix input source and requested operation(s) */ |
29 |
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typedef struct { |
30 |
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const char *inspec; /* input specification */ |
31 |
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RMPref rmp; /* matrix preference */ |
40 |
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static int |
41 |
|
loadmatrix(ROPMAT *rop) |
42 |
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{ |
43 |
< |
if (rop->mtx != NULL) |
43 |
> |
if (rop->mtx != NULL) /* already loaded? */ |
44 |
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return(0); |
45 |
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|
46 |
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rop->mtx = rmx_load(rop->inspec, rop->rmp); |
52 |
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return(1); |
53 |
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} |
54 |
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|
55 |
+ |
/* Compute conversion row from spectrum to one channel of RGB */ |
56 |
+ |
static void |
57 |
+ |
rgbrow(ROPMAT *rop, int r, int p) |
58 |
+ |
{ |
59 |
+ |
const int nc = rop->mtx->ncomp; |
60 |
+ |
const float * wlp = rop->mtx->wlpart; |
61 |
+ |
int i; |
62 |
+ |
|
63 |
+ |
for (i = nc; i--; ) { |
64 |
+ |
int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; |
65 |
+ |
int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; |
66 |
+ |
COLOR crgb; |
67 |
+ |
spec_rgb(crgb, nmStart, nmEnd); |
68 |
+ |
rop->preop.cmat[r*nc+i] = crgb[p]; |
69 |
+ |
} |
70 |
+ |
} |
71 |
+ |
|
72 |
+ |
/* Compute conversion row from spectrum to one channel of XYZ */ |
73 |
+ |
static void |
74 |
+ |
xyzrow(ROPMAT *rop, int r, int p) |
75 |
+ |
{ |
76 |
+ |
const int nc = rop->mtx->ncomp; |
77 |
+ |
const float * wlp = rop->mtx->wlpart; |
78 |
+ |
int i; |
79 |
+ |
|
80 |
+ |
for (i = nc; i--; ) { |
81 |
+ |
int nmEnd = wlp[0] + (wlp[3] - wlp[0])*i/nc; |
82 |
+ |
int nmStart = wlp[0] + (wlp[3] - wlp[0])*(i+1)/nc; |
83 |
+ |
COLOR cxyz; |
84 |
+ |
spec_cie(cxyz, nmStart, nmEnd); |
85 |
+ |
rop->preop.cmat[r*nc+i] = cxyz[p]; |
86 |
+ |
} |
87 |
+ |
} |
88 |
+ |
|
89 |
+ |
/* Use the spectral sensitivity function to compute matrix coefficients */ |
90 |
+ |
static void |
91 |
+ |
sensrow(ROPMAT *rop, int r, double (*sf)(SCOLOR sc, int ncs, const float wlpt[4])) |
92 |
+ |
{ |
93 |
+ |
const int nc = rop->mtx->ncomp; |
94 |
+ |
int i; |
95 |
+ |
|
96 |
+ |
for (i = nc; i--; ) { |
97 |
+ |
SCOLOR sclr; |
98 |
+ |
scolorblack(sclr); |
99 |
+ |
sclr[i] = 1; |
100 |
+ |
rop->preop.cmat[r*nc+i] = (*sf)(sclr, nc, rop->mtx->wlpart); |
101 |
+ |
} |
102 |
+ |
} |
103 |
+ |
|
104 |
+ |
/* Check/set symbolic transform */ |
105 |
+ |
static int |
106 |
+ |
checksymbolic(ROPMAT *rop) |
107 |
+ |
{ |
108 |
+ |
const int nc = rop->mtx->ncomp; |
109 |
+ |
const int dt = rop->mtx->dtype; |
110 |
+ |
int i, j; |
111 |
+ |
|
112 |
+ |
if (nc < 3) { |
113 |
+ |
fprintf(stderr, "%s: -c '%s' requires at least 3 components\n", |
114 |
+ |
rop->inspec, rop->preop.csym); |
115 |
+ |
return(-1); |
116 |
+ |
} |
117 |
+ |
rop->preop.clen = strlen(rop->preop.csym) * nc; |
118 |
+ |
if (rop->preop.clen > MAXCOMP*MAXCOMP) { |
119 |
+ |
fprintf(stderr, "%s: -c '%s' results in too many components\n", |
120 |
+ |
rop->inspec, rop->preop.csym); |
121 |
+ |
return(-1); |
122 |
+ |
} |
123 |
+ |
for (j = 0; rop->preop.csym[j]; j++) { |
124 |
+ |
int comp = 0; |
125 |
+ |
switch (rop->preop.csym[j]) { |
126 |
+ |
case 'B': |
127 |
+ |
++comp; |
128 |
+ |
/* fall through */ |
129 |
+ |
case 'G': |
130 |
+ |
++comp; |
131 |
+ |
/* fall through */ |
132 |
+ |
case 'R': |
133 |
+ |
if (dt == DTxyze) { |
134 |
+ |
for (i = 3; i--; ) |
135 |
+ |
rop->preop.cmat[j*nc+i] = 1./WHTEFFICACY * |
136 |
+ |
xyz2rgbmat[comp][i]; |
137 |
+ |
} else if (nc == 3) |
138 |
+ |
rop->preop.cmat[j*nc+comp] = 1.; |
139 |
+ |
else |
140 |
+ |
rgbrow(rop, j, comp); |
141 |
+ |
break; |
142 |
+ |
case 'Z': |
143 |
+ |
++comp; |
144 |
+ |
/* fall through */ |
145 |
+ |
case 'Y': |
146 |
+ |
++comp; |
147 |
+ |
/* fall through */ |
148 |
+ |
case 'X': |
149 |
+ |
if (dt == DTxyze) { |
150 |
+ |
rop->preop.cmat[j*nc+comp] = 1.; |
151 |
+ |
} else if (nc == 3) { |
152 |
+ |
for (i = 3; i--; ) |
153 |
+ |
rop->preop.cmat[j*nc+i] = |
154 |
+ |
rgb2xyzmat[comp][i]; |
155 |
+ |
} else if (comp == CIEY) |
156 |
+ |
sensrow(rop, j, scolor2photopic); |
157 |
+ |
else |
158 |
+ |
xyzrow(rop, j, comp); |
159 |
+ |
|
160 |
+ |
for (i = nc*(dt != DTxyze); i--; ) |
161 |
+ |
rop->preop.cmat[j*nc+i] *= WHTEFFICACY; |
162 |
+ |
break; |
163 |
+ |
case 'S': |
164 |
+ |
sensrow(rop, j, scolor2scotopic); |
165 |
+ |
for (i = nc; i--; ) |
166 |
+ |
rop->preop.cmat[j*nc+i] *= WHTSCOTOPIC; |
167 |
+ |
break; |
168 |
+ |
case 'M': |
169 |
+ |
sensrow(rop, j, scolor2melanopic); |
170 |
+ |
for (i = nc; i--; ) |
171 |
+ |
rop->preop.cmat[j*nc+i] *= WHTMELANOPIC; |
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 */ |
90 |
< |
if (rop->preop.clen % rop->mtx->ncomp) { |
91 |
< |
fprintf(stderr, "%s: -c must have N x %d coefficients\n", |
92 |
< |
rop->inspec, rop->mtx->ncomp); |
93 |
< |
goto failure; |
94 |
< |
} |
95 |
< |
mres = rmx_transform(rop->mtx, rop->preop.clen/rop->mtx->ncomp, |
96 |
< |
rop->preop.cmat); |
97 |
< |
if (mres == NULL) { |
98 |
< |
fprintf(stderr, "%s: matrix transform failed\n", |
99 |
< |
rop->inspec); |
100 |
< |
goto failure; |
101 |
< |
} |
102 |
< |
if (verbose) |
103 |
< |
fprintf(stderr, "%s: applied %d x %d transform\n", |
104 |
< |
rop->inspec, mres->ncomp, |
105 |
< |
rop->mtx->ncomp); |
106 |
< |
rmx_free(rop->mtx); |
107 |
< |
rop->mtx = mres; |
108 |
< |
} |
109 |
< |
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') |
593 |
|
mres = loadop(mop+nmats); |
594 |
|
if (mres == NULL) |
595 |
|
return(1); |
596 |
< |
/* write result to stdout */ |
419 |
< |
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); |
613 |
|
return(0); |
614 |
|
userr: |
615 |
|
fprintf(stderr, |
616 |
< |
"Usage: %s [-v][-f[adfc][-t][-s sf .. | -c ce ..][-r[fb]] m1 [.+*/] .. > mres\n", |
616 |
> |
"Usage: %s [-v][-f[adfc][-t][-s sf .. | -c ce ..][-rf|-rb] m1 [.+*/] .. > mres\n", |
617 |
|
argv[0]); |
618 |
|
return(1); |
619 |
|
} |