5 |
|
* General matrix operations. |
6 |
|
*/ |
7 |
|
|
8 |
– |
#include <stdio.h> |
8 |
|
#include <stdlib.h> |
9 |
< |
#include <string.h> |
11 |
< |
#include <fcntl.h> |
9 |
> |
#include <errno.h> |
10 |
|
#include "rtio.h" |
11 |
|
#include "platform.h" |
12 |
|
#include "resolu.h" |
13 |
|
#include "paths.h" |
14 |
|
#include "rmatrix.h" |
15 |
+ |
#if !defined(_WIN32) && !defined(_WIN64) |
16 |
+ |
#include <sys/mman.h> |
17 |
+ |
#endif |
18 |
|
|
19 |
|
static char rmx_mismatch_warn[] = "WARNING: data type mismatch\n"; |
20 |
|
|
21 |
< |
/* Allocate a nr x nc matrix with n components */ |
21 |
> |
#define array_size(rm) (sizeof(double)*(rm)->nrows*(rm)->ncols*(rm)->ncomp) |
22 |
> |
#define mapped_size(rm) ((char *)(rm)->mtx + array_size(rm) - (char *)(rm)->mapped) |
23 |
> |
|
24 |
> |
/* Initialize a RMATRIX struct but don't allocate array space */ |
25 |
|
RMATRIX * |
26 |
+ |
rmx_new(int nr, int nc, int n) |
27 |
+ |
{ |
28 |
+ |
RMATRIX *dnew = (RMATRIX *)calloc(1, sizeof(RMATRIX)); |
29 |
+ |
|
30 |
+ |
if (dnew) { |
31 |
+ |
dnew->dtype = DTdouble; |
32 |
+ |
dnew->nrows = nr; |
33 |
+ |
dnew->ncols = nc; |
34 |
+ |
dnew->ncomp = n; |
35 |
+ |
setcolor(dnew->cexp, 1.f, 1.f, 1.f); |
36 |
+ |
} |
37 |
+ |
return(dnew); |
38 |
+ |
} |
39 |
+ |
|
40 |
+ |
/* Prepare a RMATRIX for writing (allocate array if needed) */ |
41 |
+ |
int |
42 |
+ |
rmx_prepare(RMATRIX *rm) |
43 |
+ |
{ |
44 |
+ |
if (!rm) return(0); |
45 |
+ |
if (rm->mtx) |
46 |
+ |
return(1); |
47 |
+ |
rm->mtx = (double *)malloc(array_size(rm)); |
48 |
+ |
return(rm->mtx != NULL); |
49 |
+ |
} |
50 |
+ |
|
51 |
+ |
/* Call rmx_new() and rmx_prepare() */ |
52 |
+ |
RMATRIX * |
53 |
|
rmx_alloc(int nr, int nc, int n) |
54 |
|
{ |
55 |
< |
RMATRIX *dnew; |
55 |
> |
RMATRIX *dnew = rmx_new(nr, nc, n); |
56 |
|
|
57 |
< |
if ((nr <= 0) | (nc <= 0) | (n <= 0)) |
58 |
< |
return(NULL); |
59 |
< |
dnew = (RMATRIX *)malloc(sizeof(RMATRIX)-sizeof(dnew->mtx) + |
60 |
< |
sizeof(dnew->mtx[0])*(n*nr*nc)); |
30 |
< |
if (dnew == NULL) |
31 |
< |
return(NULL); |
32 |
< |
dnew->nrows = nr; dnew->ncols = nc; dnew->ncomp = n; |
33 |
< |
dnew->dtype = DTdouble; |
34 |
< |
dnew->info = NULL; |
57 |
> |
if (dnew && !rmx_prepare(dnew)) { |
58 |
> |
rmx_free(dnew); |
59 |
> |
dnew = NULL; |
60 |
> |
} |
61 |
|
return(dnew); |
62 |
|
} |
63 |
|
|
68 |
|
if (!rm) return; |
69 |
|
if (rm->info) |
70 |
|
free(rm->info); |
71 |
+ |
#ifdef MAP_FILE |
72 |
+ |
if (rm->mapped) |
73 |
+ |
munmap(rm->mapped, mapped_size(rm)); |
74 |
+ |
else |
75 |
+ |
#endif |
76 |
+ |
free(rm->mtx); |
77 |
|
free(rm); |
78 |
|
} |
79 |
|
|
94 |
|
int |
95 |
|
rmx_addinfo(RMATRIX *rm, const char *info) |
96 |
|
{ |
97 |
< |
if (!info || !*info) |
97 |
> |
int oldlen = 0; |
98 |
> |
|
99 |
> |
if (!rm || !info || !*info) |
100 |
|
return(0); |
101 |
|
if (!rm->info) { |
102 |
|
rm->info = (char *)malloc(strlen(info)+1); |
103 |
|
if (rm->info) rm->info[0] = '\0'; |
104 |
< |
} else |
104 |
> |
} else { |
105 |
> |
oldlen = strlen(rm->info); |
106 |
|
rm->info = (char *)realloc(rm->info, |
107 |
< |
strlen(rm->info)+strlen(info)+1); |
107 |
> |
oldlen+strlen(info)+1); |
108 |
> |
} |
109 |
|
if (!rm->info) |
110 |
|
return(0); |
111 |
< |
strcat(rm->info, info); |
111 |
> |
strcpy(rm->info+oldlen, info); |
112 |
|
return(1); |
113 |
|
} |
114 |
|
|
116 |
|
get_dminfo(char *s, void *p) |
117 |
|
{ |
118 |
|
RMATRIX *ip = (RMATRIX *)p; |
119 |
< |
char fmt[64]; |
119 |
> |
char fmt[MAXFMTLEN]; |
120 |
|
int i; |
121 |
|
|
122 |
< |
if (headidval(fmt, s)) |
122 |
> |
if (headidval(NULL, s)) |
123 |
|
return(0); |
124 |
|
if (!strncmp(s, "NCOMP=", 6)) { |
125 |
|
ip->ncomp = atoi(s+6); |
133 |
|
ip->ncols = atoi(s+6); |
134 |
|
return(0); |
135 |
|
} |
136 |
+ |
if ((i = isbigendian(s)) >= 0) { |
137 |
+ |
ip->swapin = (nativebigendian() != i); |
138 |
+ |
return(0); |
139 |
+ |
} |
140 |
+ |
if (isexpos(s)) { |
141 |
+ |
float f = exposval(s); |
142 |
+ |
scalecolor(ip->cexp, f); |
143 |
+ |
return(0); |
144 |
+ |
} |
145 |
+ |
if (iscolcor(s)) { |
146 |
+ |
COLOR ctmp; |
147 |
+ |
colcorval(ctmp, s); |
148 |
+ |
multcolor(ip->cexp, ctmp); |
149 |
+ |
return(0); |
150 |
+ |
} |
151 |
|
if (!formatval(fmt, s)) { |
152 |
|
rmx_addinfo(ip, s); |
153 |
|
return(0); |
154 |
< |
} |
154 |
> |
} /* else check format */ |
155 |
|
for (i = 1; i < DTend; i++) |
156 |
|
if (!strcmp(fmt, cm_fmt_id[i])) { |
157 |
|
ip->dtype = i; |
165 |
|
{ |
166 |
|
int i, j, k; |
167 |
|
|
168 |
+ |
if (!rmx_prepare(rm)) |
169 |
+ |
return(0); |
170 |
|
for (i = 0; i < rm->nrows; i++) |
171 |
< |
for (j = 0; j < rm->ncols; j++) |
171 |
> |
for (j = 0; j < rm->ncols; j++) { |
172 |
> |
double *dp = rmx_lval(rm,i,j); |
173 |
|
for (k = 0; k < rm->ncomp; k++) |
174 |
< |
if (fscanf(fp, "%lf", &rmx_lval(rm,i,j,k)) != 1) |
174 |
> |
if (fscanf(fp, "%lf", &dp[k]) != 1) |
175 |
|
return(0); |
176 |
+ |
} |
177 |
|
return(1); |
178 |
|
} |
179 |
|
|
187 |
|
fputs("Unsupported # components in rmx_load_float()\n", stderr); |
188 |
|
exit(1); |
189 |
|
} |
190 |
+ |
if (!rmx_prepare(rm)) |
191 |
+ |
return(0); |
192 |
|
for (i = 0; i < rm->nrows; i++) |
193 |
|
for (j = 0; j < rm->ncols; j++) { |
194 |
+ |
double *dp = rmx_lval(rm,i,j); |
195 |
|
if (getbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
196 |
|
return(0); |
197 |
+ |
if (rm->swapin) |
198 |
+ |
swap32((char *)val, rm->ncomp); |
199 |
|
for (k = rm->ncomp; k--; ) |
200 |
< |
rmx_lval(rm,i,j,k) = val[k]; |
200 |
> |
dp[k] = val[k]; |
201 |
|
} |
202 |
|
return(1); |
203 |
|
} |
205 |
|
static int |
206 |
|
rmx_load_double(RMATRIX *rm, FILE *fp) |
207 |
|
{ |
208 |
< |
int i, j, k; |
209 |
< |
double val[100]; |
210 |
< |
|
211 |
< |
if (rm->ncomp > 100) { |
212 |
< |
fputs("Unsupported # components in rmx_load_double()\n", stderr); |
213 |
< |
exit(1); |
208 |
> |
int i; |
209 |
> |
#ifdef MAP_FILE |
210 |
> |
long pos; /* map memory for file > 1MB if possible */ |
211 |
> |
if (!rm->swapin && array_size(rm) >= 1L<<20 && |
212 |
> |
(pos = ftell(fp)) >= 0 && !(pos % sizeof(double))) { |
213 |
> |
rm->mapped = mmap(NULL, array_size(rm)+pos, PROT_READ|PROT_WRITE, |
214 |
> |
MAP_PRIVATE, fileno(fp), 0); |
215 |
> |
if (rm->mapped != MAP_FAILED) { |
216 |
> |
rm->mtx = (double *)rm->mapped + pos/sizeof(double); |
217 |
> |
return(1); |
218 |
> |
} /* else fall back on reading into memory */ |
219 |
> |
rm->mapped = NULL; |
220 |
|
} |
221 |
< |
for (i = 0; i < rm->nrows; i++) |
222 |
< |
for (j = 0; j < rm->ncols; j++) { |
223 |
< |
if (getbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
224 |
< |
return(0); |
225 |
< |
for (k = rm->ncomp; k--; ) |
226 |
< |
rmx_lval(rm,i,j,k) = val[k]; |
227 |
< |
} |
221 |
> |
#endif |
222 |
> |
if (!rmx_prepare(rm)) |
223 |
> |
return(0); |
224 |
> |
for (i = 0; i < rm->nrows; i++) { |
225 |
> |
if (getbinary(rmx_lval(rm,i,0), sizeof(double)*rm->ncomp, |
226 |
> |
rm->ncols, fp) != rm->ncols) |
227 |
> |
return(0); |
228 |
> |
if (rm->swapin) |
229 |
> |
swap64((char *)rmx_lval(rm,i,0), rm->ncols*rm->ncomp); |
230 |
> |
} |
231 |
|
return(1); |
232 |
|
} |
233 |
|
|
237 |
|
COLOR *scan = (COLOR *)malloc(sizeof(COLOR)*rm->ncols); |
238 |
|
int i, j; |
239 |
|
|
240 |
< |
if (scan == NULL) |
240 |
> |
if (!scan) |
241 |
|
return(0); |
242 |
+ |
if (!rmx_prepare(rm)) |
243 |
+ |
return(0); |
244 |
|
for (i = 0; i < rm->nrows; i++) { |
245 |
+ |
double *dp = rmx_lval(rm,i,0); |
246 |
|
if (freadscan(scan, rm->ncols, fp) < 0) { |
247 |
|
free(scan); |
248 |
|
return(0); |
249 |
|
} |
250 |
< |
for (j = rm->ncols; j--; ) { |
251 |
< |
rmx_lval(rm,i,j,0) = colval(scan[j],RED); |
252 |
< |
rmx_lval(rm,i,j,1) = colval(scan[j],GRN); |
253 |
< |
rmx_lval(rm,i,j,2) = colval(scan[j],BLU); |
250 |
> |
for (j = 0; j < rm->ncols; j++, dp += 3) { |
251 |
> |
dp[0] = colval(scan[j],RED); |
252 |
> |
dp[1] = colval(scan[j],GRN); |
253 |
> |
dp[2] = colval(scan[j],BLU); |
254 |
|
} |
255 |
|
} |
256 |
|
free(scan); |
259 |
|
|
260 |
|
/* Load matrix from supported file type */ |
261 |
|
RMATRIX * |
262 |
< |
rmx_load(const char *inspec) |
262 |
> |
rmx_load(const char *inspec, RMPref rmp) |
263 |
|
{ |
264 |
< |
FILE *fp = stdin; |
193 |
< |
RMATRIX dinfo; |
264 |
> |
FILE *fp; |
265 |
|
RMATRIX *dnew; |
266 |
|
|
267 |
< |
if (inspec == NULL) { /* reading from stdin? */ |
268 |
< |
inspec = "<stdin>"; |
269 |
< |
#if defined(_WIN32) || defined(_WIN64) |
270 |
< |
_setmode(fileno(stdin), _O_BINARY); |
271 |
< |
#endif |
267 |
> |
if (!inspec) |
268 |
> |
inspec = stdin_name; |
269 |
> |
else if (!*inspec) |
270 |
> |
return(NULL); |
271 |
> |
if (inspec == stdin_name) { /* reading from stdin? */ |
272 |
> |
fp = stdin; |
273 |
|
} else if (inspec[0] == '!') { |
274 |
< |
if ((fp = popen(inspec+1, "r")) == NULL) |
274 |
> |
if (!(fp = popen(inspec+1, "r"))) |
275 |
|
return(NULL); |
204 |
– |
#if defined(_WIN32) || defined(_WIN64) |
205 |
– |
_setmode(fileno(fp), _O_BINARY); |
206 |
– |
#endif |
276 |
|
} else { |
277 |
|
const char *sp = inspec; /* check suffix */ |
278 |
|
while (*sp) |
280 |
|
while (sp > inspec && sp[-1] != '.') |
281 |
|
--sp; |
282 |
|
if (!strcasecmp(sp, "XML")) { /* assume it's a BSDF */ |
283 |
< |
CMATRIX *cm = cm_loadBTDF((char *)inspec); |
284 |
< |
if (cm == NULL) |
283 |
> |
CMATRIX *cm = rmp==RMPtrans ? cm_loadBTDF(inspec) : |
284 |
> |
cm_loadBRDF(inspec, rmp==RMPreflB) ; |
285 |
> |
if (!cm) |
286 |
|
return(NULL); |
287 |
|
dnew = rmx_from_cmatrix(cm); |
288 |
|
cm_free(cm); |
290 |
|
return(dnew); |
291 |
|
} |
292 |
|
/* else open it ourselves */ |
293 |
< |
if ((fp = fopen(inspec, "rb")) == NULL) |
293 |
> |
if (!(fp = fopen(inspec, "r"))) |
294 |
|
return(NULL); |
295 |
|
} |
296 |
+ |
SET_FILE_BINARY(fp); |
297 |
|
#ifdef getc_unlocked |
298 |
|
flockfile(fp); |
299 |
|
#endif |
300 |
< |
dinfo.nrows = dinfo.ncols = dinfo.ncomp = 0; |
230 |
< |
dinfo.dtype = DTascii; /* assumed w/o FORMAT */ |
231 |
< |
dinfo.info = NULL; |
232 |
< |
if (getheader(fp, get_dminfo, &dinfo) < 0) { |
300 |
> |
if (!(dnew = rmx_new(0,0,3))) { |
301 |
|
fclose(fp); |
302 |
|
return(NULL); |
303 |
|
} |
304 |
< |
if ((dinfo.nrows <= 0) | (dinfo.ncols <= 0)) { |
305 |
< |
if (!fscnresolu(&dinfo.ncols, &dinfo.nrows, fp)) { |
304 |
> |
dnew->dtype = DTascii; /* assumed w/o FORMAT */ |
305 |
> |
if (getheader(fp, get_dminfo, dnew) < 0) { |
306 |
> |
fclose(fp); |
307 |
> |
return(NULL); |
308 |
> |
} |
309 |
> |
if ((dnew->nrows <= 0) | (dnew->ncols <= 0)) { |
310 |
> |
if (!fscnresolu(&dnew->ncols, &dnew->nrows, fp)) { |
311 |
|
fclose(fp); |
312 |
|
return(NULL); |
313 |
|
} |
314 |
< |
if (dinfo.ncomp <= 0) |
315 |
< |
dinfo.ncomp = 3; |
243 |
< |
else if ((dinfo.dtype == DTrgbe) | (dinfo.dtype == DTxyze) && |
244 |
< |
dinfo.ncomp != 3) { |
314 |
> |
if ((dnew->dtype == DTrgbe) | (dnew->dtype == DTxyze) && |
315 |
> |
dnew->ncomp != 3) { |
316 |
|
fclose(fp); |
317 |
|
return(NULL); |
318 |
|
} |
319 |
|
} |
320 |
< |
dnew = rmx_alloc(dinfo.nrows, dinfo.ncols, dinfo.ncomp); |
250 |
< |
if (dnew == NULL) { |
251 |
< |
fclose(fp); |
252 |
< |
return(NULL); |
253 |
< |
} |
254 |
< |
dnew->info = dinfo.info; |
255 |
< |
switch (dinfo.dtype) { |
320 |
> |
switch (dnew->dtype) { |
321 |
|
case DTascii: |
322 |
< |
#if defined(_WIN32) || defined(_WIN64) |
258 |
< |
_setmode(fileno(fp), _O_TEXT); |
259 |
< |
#endif |
322 |
> |
SET_FILE_TEXT(fp); |
323 |
|
if (!rmx_load_ascii(dnew, fp)) |
324 |
|
goto loaderr; |
325 |
|
dnew->dtype = DTascii; /* should leave double? */ |
338 |
|
case DTxyze: |
339 |
|
if (!rmx_load_rgbe(dnew, fp)) |
340 |
|
goto loaderr; |
278 |
– |
dnew->dtype = dinfo.dtype; |
341 |
|
break; |
342 |
|
default: |
343 |
|
goto loaderr; |
352 |
|
else |
353 |
|
funlockfile(fp); |
354 |
|
#endif |
355 |
+ |
/* undo exposure? */ |
356 |
+ |
if (dnew->ncomp == 3 && (dnew->cexp[0] != 1.f) | |
357 |
+ |
(dnew->cexp[1] != 1.f) | (dnew->cexp[2] != 1.f)) { |
358 |
+ |
double cmlt[3]; |
359 |
+ |
cmlt[0] = 1./dnew->cexp[0]; |
360 |
+ |
cmlt[1] = 1./dnew->cexp[1]; |
361 |
+ |
cmlt[2] = 1./dnew->cexp[2]; |
362 |
+ |
rmx_scale(dnew, cmlt); |
363 |
+ |
setcolor(dnew->cexp, 1.f, 1.f, 1.f); |
364 |
+ |
} |
365 |
|
return(dnew); |
366 |
|
loaderr: /* should report error? */ |
367 |
|
if (inspec[0] == '!') |
375 |
|
static int |
376 |
|
rmx_write_ascii(const RMATRIX *rm, FILE *fp) |
377 |
|
{ |
378 |
+ |
const char *fmt = (rm->dtype == DTfloat) ? " %.7e" : |
379 |
+ |
(rm->dtype == DTrgbe) | (rm->dtype == DTxyze) ? " %.3e" : |
380 |
+ |
" %.15e" ; |
381 |
|
int i, j, k; |
382 |
|
|
383 |
|
for (i = 0; i < rm->nrows; i++) { |
384 |
|
for (j = 0; j < rm->ncols; j++) { |
385 |
+ |
const double *dp = rmx_lval(rm,i,j); |
386 |
|
for (k = 0; k < rm->ncomp; k++) |
387 |
< |
fprintf(fp, " %.15e", rmx_lval(rm,i,j,k)); |
387 |
> |
fprintf(fp, fmt, dp[k]); |
388 |
|
fputc('\t', fp); |
389 |
|
} |
390 |
|
fputc('\n', fp); |
404 |
|
} |
405 |
|
for (i = 0; i < rm->nrows; i++) |
406 |
|
for (j = 0; j < rm->ncols; j++) { |
407 |
+ |
const double *dp = rmx_lval(rm,i,j); |
408 |
|
for (k = rm->ncomp; k--; ) |
409 |
< |
val[k] = (float)rmx_lval(rm,i,j,k); |
410 |
< |
if (putbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
409 |
> |
val[k] = (float)dp[k]; |
410 |
> |
if (putbinary(val, sizeof(float), rm->ncomp, fp) != rm->ncomp) |
411 |
|
return(0); |
412 |
|
} |
413 |
|
return(1); |
416 |
|
static int |
417 |
|
rmx_write_double(const RMATRIX *rm, FILE *fp) |
418 |
|
{ |
419 |
< |
int i, j, k; |
343 |
< |
double val[100]; |
419 |
> |
int i; |
420 |
|
|
345 |
– |
if (rm->ncomp > 100) { |
346 |
– |
fputs("Unsupported # components in rmx_write_double()\n", stderr); |
347 |
– |
exit(1); |
348 |
– |
} |
421 |
|
for (i = 0; i < rm->nrows; i++) |
422 |
< |
for (j = 0; j < rm->ncols; j++) { |
423 |
< |
for (k = rm->ncomp; k--; ) |
352 |
< |
val[k] = rmx_lval(rm,i,j,k); |
353 |
< |
if (putbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
422 |
> |
if (putbinary(rmx_lval(rm,i,0), sizeof(double)*rm->ncomp, |
423 |
> |
rm->ncols, fp) != rm->ncols) |
424 |
|
return(0); |
355 |
– |
} |
425 |
|
return(1); |
426 |
|
} |
427 |
|
|
428 |
|
static int |
429 |
|
rmx_write_rgbe(const RMATRIX *rm, FILE *fp) |
430 |
|
{ |
431 |
< |
COLOR *scan = (COLOR *)malloc(sizeof(COLOR)*rm->ncols); |
431 |
> |
COLR *scan = (COLR *)malloc(sizeof(COLR)*rm->ncols); |
432 |
|
int i, j; |
433 |
|
|
434 |
< |
if (scan == NULL) |
434 |
> |
if (!scan) |
435 |
|
return(0); |
436 |
|
for (i = 0; i < rm->nrows; i++) { |
437 |
< |
for (j = rm->ncols; j--; ) |
438 |
< |
setcolor(scan[j], rmx_lval(rm,i,j,0), |
439 |
< |
rmx_lval(rm,i,j,1), |
440 |
< |
rmx_lval(rm,i,j,2) ); |
441 |
< |
if (fwritescan(scan, rm->ncols, fp) < 0) { |
437 |
> |
for (j = rm->ncols; j--; ) { |
438 |
> |
const double *dp = rmx_lval(rm,i,j); |
439 |
> |
if (rm->ncomp == 1) |
440 |
> |
setcolr(scan[j], dp[0], dp[0], dp[0]); |
441 |
> |
else |
442 |
> |
setcolr(scan[j], dp[0], dp[1], dp[2]); |
443 |
> |
} |
444 |
> |
if (fwritecolrs(scan, rm->ncols, fp) < 0) { |
445 |
|
free(scan); |
446 |
|
return(0); |
447 |
|
} |
450 |
|
return(1); |
451 |
|
} |
452 |
|
|
453 |
+ |
/* Check if CIE XYZ primaries were specified */ |
454 |
+ |
static int |
455 |
+ |
findCIEprims(const char *info) |
456 |
+ |
{ |
457 |
+ |
RGBPRIMS prims; |
458 |
+ |
|
459 |
+ |
if (!info) |
460 |
+ |
return(0); |
461 |
+ |
info = strstr(info, PRIMARYSTR); |
462 |
+ |
if (!info || !primsval(prims, info)) |
463 |
+ |
return(0); |
464 |
+ |
|
465 |
+ |
return((prims[RED][CIEX] > .99) & (prims[RED][CIEY] < .01) && |
466 |
+ |
(prims[GRN][CIEX] < .01) & (prims[GRN][CIEY] > .99) && |
467 |
+ |
(prims[BLU][CIEX] < .01) & (prims[BLU][CIEY] < .01)); |
468 |
+ |
} |
469 |
+ |
|
470 |
|
/* Write matrix to file type indicated by dtype */ |
471 |
|
int |
472 |
|
rmx_write(const RMATRIX *rm, int dtype, FILE *fp) |
473 |
|
{ |
385 |
– |
RMATRIX *mydm = NULL; |
474 |
|
int ok = 1; |
475 |
|
|
476 |
< |
if ((rm == NULL) | (fp == NULL)) |
476 |
> |
if (!rm | !fp || !rm->mtx) |
477 |
|
return(0); |
478 |
|
#ifdef getc_unlocked |
479 |
|
flockfile(fp); |
483 |
|
fputs(rm->info, fp); |
484 |
|
if (dtype == DTfromHeader) |
485 |
|
dtype = rm->dtype; |
486 |
< |
else if ((dtype == DTrgbe) & (rm->dtype == DTxyze)) |
486 |
> |
else if (dtype == DTrgbe && (rm->dtype == DTxyze || |
487 |
> |
findCIEprims(rm->info))) |
488 |
|
dtype = DTxyze; |
489 |
|
else if ((dtype == DTxyze) & (rm->dtype == DTrgbe)) |
490 |
|
dtype = DTrgbe; |
491 |
+ |
if (rm->ncomp == 3) { /* write exposure? */ |
492 |
+ |
if ((rm->cexp[RED] != rm->cexp[GRN]) | |
493 |
+ |
(rm->cexp[GRN] != rm->cexp[BLU])) |
494 |
+ |
fputcolcor(rm->cexp, fp); |
495 |
+ |
else if (rm->cexp[GRN] != 1.f) |
496 |
+ |
fputexpos(rm->cexp[GRN], fp); |
497 |
+ |
} |
498 |
|
if ((dtype != DTrgbe) & (dtype != DTxyze)) { |
499 |
|
fprintf(fp, "NROWS=%d\n", rm->nrows); |
500 |
|
fprintf(fp, "NCOLS=%d\n", rm->ncols); |
501 |
|
fprintf(fp, "NCOMP=%d\n", rm->ncomp); |
502 |
< |
} else if (rm->ncomp != 3) { /* wrong # components? */ |
503 |
< |
double cmtx[3]; |
504 |
< |
if (rm->ncomp != 1) /* only convert grayscale */ |
505 |
< |
return(0); |
506 |
< |
cmtx[0] = cmtx[1] = cmtx[2] = 1; |
411 |
< |
mydm = rmx_transform(rm, 3, cmtx); |
412 |
< |
if (mydm == NULL) |
413 |
< |
return(0); |
414 |
< |
rm = mydm; |
415 |
< |
} |
416 |
< |
fputformat((char *)cm_fmt_id[dtype], fp); |
502 |
> |
} else if ((rm->ncomp != 3) & (rm->ncomp != 1)) |
503 |
> |
return(0); /* wrong # components */ |
504 |
> |
if ((dtype == DTfloat) | (dtype == DTdouble)) |
505 |
> |
fputendian(fp); /* important to record */ |
506 |
> |
fputformat(cm_fmt_id[dtype], fp); |
507 |
|
fputc('\n', fp); |
508 |
|
switch (dtype) { /* write data */ |
509 |
|
case DTascii: |
527 |
|
#ifdef getc_unlocked |
528 |
|
funlockfile(fp); |
529 |
|
#endif |
440 |
– |
rmx_free(mydm); |
530 |
|
return(ok); |
531 |
|
} |
532 |
|
|
537 |
|
RMATRIX *rid = rmx_alloc(dim, dim, n); |
538 |
|
int i, k; |
539 |
|
|
540 |
< |
if (rid == NULL) |
540 |
> |
if (!rid) |
541 |
|
return(NULL); |
542 |
< |
memset(rid->mtx, 0, sizeof(rid->mtx[0])*n*dim*dim); |
543 |
< |
for (i = dim; i--; ) |
542 |
> |
memset(rid->mtx, 0, array_size(rid)); |
543 |
> |
for (i = dim; i--; ) { |
544 |
> |
double *dp = rmx_lval(rid,i,i); |
545 |
|
for (k = n; k--; ) |
546 |
< |
rmx_lval(rid,i,i,k) = 1; |
546 |
> |
dp[k] = 1.; |
547 |
> |
} |
548 |
|
return(rid); |
549 |
|
} |
550 |
|
|
554 |
|
{ |
555 |
|
RMATRIX *dnew; |
556 |
|
|
557 |
< |
if (rm == NULL) |
557 |
> |
if (!rm) |
558 |
|
return(NULL); |
559 |
|
dnew = rmx_alloc(rm->nrows, rm->ncols, rm->ncomp); |
560 |
< |
if (dnew == NULL) |
560 |
> |
if (!dnew) |
561 |
|
return(NULL); |
562 |
|
rmx_addinfo(dnew, rm->info); |
563 |
|
dnew->dtype = rm->dtype; |
564 |
< |
memcpy(dnew->mtx, rm->mtx, |
474 |
< |
sizeof(rm->mtx[0])*rm->ncomp*rm->nrows*rm->ncols); |
564 |
> |
memcpy(dnew->mtx, rm->mtx, array_size(dnew)); |
565 |
|
return(dnew); |
566 |
|
} |
567 |
|
|
570 |
|
rmx_transpose(const RMATRIX *rm) |
571 |
|
{ |
572 |
|
RMATRIX *dnew; |
573 |
< |
int i, j, k; |
573 |
> |
int i, j; |
574 |
|
|
575 |
< |
if (rm == NULL) |
575 |
> |
if (!rm) |
576 |
|
return(0); |
577 |
+ |
if ((rm->nrows == 1) | (rm->ncols == 1)) { |
578 |
+ |
dnew = rmx_copy(rm); |
579 |
+ |
if (!dnew) |
580 |
+ |
return(NULL); |
581 |
+ |
dnew->nrows = rm->ncols; |
582 |
+ |
dnew->ncols = rm->nrows; |
583 |
+ |
return(dnew); |
584 |
+ |
} |
585 |
|
dnew = rmx_alloc(rm->ncols, rm->nrows, rm->ncomp); |
586 |
< |
if (dnew == NULL) |
586 |
> |
if (!dnew) |
587 |
|
return(NULL); |
588 |
|
if (rm->info) { |
589 |
|
rmx_addinfo(dnew, rm->info); |
590 |
|
rmx_addinfo(dnew, "Transposed rows and columns\n"); |
591 |
|
} |
592 |
|
dnew->dtype = rm->dtype; |
593 |
< |
for (i = dnew->nrows; i--; ) |
594 |
< |
for (j = dnew->ncols; j--; ) |
595 |
< |
for (k = dnew->ncomp; k--; ) |
596 |
< |
rmx_lval(dnew,i,j,k) = rmx_lval(rm,j,i,k); |
593 |
> |
for (j = dnew->ncols; j--; ) |
594 |
> |
for (i = dnew->nrows; i--; ) |
595 |
> |
memcpy(rmx_lval(dnew,i,j), rmx_lval(rm,j,i), |
596 |
> |
sizeof(double)*dnew->ncomp); |
597 |
|
return(dnew); |
598 |
|
} |
599 |
|
|
604 |
|
RMATRIX *mres; |
605 |
|
int i, j, k, h; |
606 |
|
|
607 |
< |
if ((m1 == NULL) | (m2 == NULL) || |
510 |
< |
(m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
607 |
> |
if (!m1 | !m2 || (m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
608 |
|
return(NULL); |
609 |
|
mres = rmx_alloc(m1->nrows, m2->ncols, m1->ncomp); |
610 |
< |
if (mres == NULL) |
610 |
> |
if (!mres) |
611 |
|
return(NULL); |
612 |
|
i = rmx_newtype(m1->dtype, m2->dtype); |
613 |
|
if (i) |
617 |
|
for (i = mres->nrows; i--; ) |
618 |
|
for (j = mres->ncols; j--; ) |
619 |
|
for (k = mres->ncomp; k--; ) { |
620 |
< |
long double d = 0; |
620 |
> |
double d = 0; |
621 |
|
for (h = m1->ncols; h--; ) |
622 |
< |
d += rmx_lval(m1,i,h,k) * rmx_lval(m2,h,j,k); |
623 |
< |
rmx_lval(mres,i,j,k) = (double)d; |
622 |
> |
d += rmx_lval(m1,i,h)[k] * rmx_lval(m2,h,j)[k]; |
623 |
> |
rmx_lval(mres,i,j)[k] = d; |
624 |
|
} |
625 |
|
return(mres); |
626 |
|
} |
627 |
|
|
628 |
+ |
/* Element-wise multiplication (or division) of m2 into m1 */ |
629 |
+ |
int |
630 |
+ |
rmx_elemult(RMATRIX *m1, const RMATRIX *m2, int divide) |
631 |
+ |
{ |
632 |
+ |
int zeroDivides = 0; |
633 |
+ |
int i, j, k; |
634 |
+ |
|
635 |
+ |
if (!m1 | !m2 || (m1->ncols != m2->ncols) | (m1->nrows != m2->nrows)) |
636 |
+ |
return(0); |
637 |
+ |
if ((m2->ncomp > 1) & (m2->ncomp != m1->ncomp)) |
638 |
+ |
return(0); |
639 |
+ |
i = rmx_newtype(m1->dtype, m2->dtype); |
640 |
+ |
if (i) |
641 |
+ |
m1->dtype = i; |
642 |
+ |
else |
643 |
+ |
rmx_addinfo(m1, rmx_mismatch_warn); |
644 |
+ |
for (i = m1->nrows; i--; ) |
645 |
+ |
for (j = m1->ncols; j--; ) |
646 |
+ |
if (divide) { |
647 |
+ |
double d; |
648 |
+ |
if (m2->ncomp == 1) { |
649 |
+ |
d = rmx_lval(m2,i,j)[0]; |
650 |
+ |
if (d == 0) { |
651 |
+ |
++zeroDivides; |
652 |
+ |
for (k = m1->ncomp; k--; ) |
653 |
+ |
rmx_lval(m1,i,j)[k] = 0; |
654 |
+ |
} else { |
655 |
+ |
d = 1./d; |
656 |
+ |
for (k = m1->ncomp; k--; ) |
657 |
+ |
rmx_lval(m1,i,j)[k] *= d; |
658 |
+ |
} |
659 |
+ |
} else |
660 |
+ |
for (k = m1->ncomp; k--; ) { |
661 |
+ |
d = rmx_lval(m2,i,j)[k]; |
662 |
+ |
if (d == 0) { |
663 |
+ |
++zeroDivides; |
664 |
+ |
rmx_lval(m1,i,j)[k] = 0; |
665 |
+ |
} else |
666 |
+ |
rmx_lval(m1,i,j)[k] /= d; |
667 |
+ |
} |
668 |
+ |
} else { |
669 |
+ |
if (m2->ncomp == 1) { |
670 |
+ |
const double d = rmx_lval(m2,i,j)[0]; |
671 |
+ |
for (k = m1->ncomp; k--; ) |
672 |
+ |
rmx_lval(m1,i,j)[k] *= d; |
673 |
+ |
} else |
674 |
+ |
for (k = m1->ncomp; k--; ) |
675 |
+ |
rmx_lval(m1,i,j)[k] *= rmx_lval(m2,i,j)[k]; |
676 |
+ |
} |
677 |
+ |
if (zeroDivides) { |
678 |
+ |
rmx_addinfo(m1, "WARNING: zero divide(s) corrupted results\n"); |
679 |
+ |
errno = ERANGE; |
680 |
+ |
} |
681 |
+ |
return(1); |
682 |
+ |
} |
683 |
+ |
|
684 |
|
/* Sum second matrix into first, applying scale factor beforehand */ |
685 |
|
int |
686 |
|
rmx_sum(RMATRIX *msum, const RMATRIX *madd, const double sf[]) |
688 |
|
double *mysf = NULL; |
689 |
|
int i, j, k; |
690 |
|
|
691 |
< |
if ((msum == NULL) | (madd == NULL) || |
691 |
> |
if (!msum | !madd || |
692 |
|
(msum->nrows != madd->nrows) | |
693 |
|
(msum->ncols != madd->ncols) | |
694 |
|
(msum->ncomp != madd->ncomp)) |
695 |
|
return(0); |
696 |
< |
if (sf == NULL) { |
696 |
> |
if (!sf) { |
697 |
|
mysf = (double *)malloc(sizeof(double)*msum->ncomp); |
698 |
< |
if (mysf == NULL) |
698 |
> |
if (!mysf) |
699 |
|
return(0); |
700 |
|
for (k = msum->ncomp; k--; ) |
701 |
|
mysf[k] = 1; |
707 |
|
else |
708 |
|
rmx_addinfo(msum, rmx_mismatch_warn); |
709 |
|
for (i = msum->nrows; i--; ) |
710 |
< |
for (j = msum->ncols; j--; ) |
710 |
> |
for (j = msum->ncols; j--; ) { |
711 |
> |
const double *da = rmx_lval(madd,i,j); |
712 |
> |
double *ds = rmx_lval(msum,i,j); |
713 |
|
for (k = msum->ncomp; k--; ) |
714 |
< |
rmx_lval(msum,i,j,k) += sf[k] * rmx_lval(madd,i,j,k); |
715 |
< |
|
716 |
< |
free(mysf); |
714 |
> |
ds[k] += sf[k] * da[k]; |
715 |
> |
} |
716 |
> |
if (mysf) |
717 |
> |
free(mysf); |
718 |
|
return(1); |
719 |
|
} |
720 |
|
|
724 |
|
{ |
725 |
|
int i, j, k; |
726 |
|
|
727 |
< |
if ((rm == NULL) | (sf == NULL)) |
727 |
> |
if (!rm | !sf) |
728 |
|
return(0); |
729 |
|
for (i = rm->nrows; i--; ) |
730 |
< |
for (j = rm->ncols; j--; ) |
730 |
> |
for (j = rm->ncols; j--; ) { |
731 |
> |
double *dp = rmx_lval(rm,i,j); |
732 |
|
for (k = rm->ncomp; k--; ) |
733 |
< |
rmx_lval(rm,i,j,k) *= sf[k]; |
734 |
< |
|
733 |
> |
dp[k] *= sf[k]; |
734 |
> |
} |
735 |
> |
if (rm->info) |
736 |
> |
rmx_addinfo(rm, "Applied scalar\n"); |
737 |
|
return(1); |
738 |
|
} |
739 |
|
|
744 |
|
int i, j, ks, kd; |
745 |
|
RMATRIX *dnew; |
746 |
|
|
747 |
< |
if ((msrc == NULL) | (n <= 0) | (cmat == NULL)) |
747 |
> |
if (!msrc | (n <= 0) | !cmat) |
748 |
|
return(NULL); |
749 |
|
dnew = rmx_alloc(msrc->nrows, msrc->ncols, n); |
750 |
< |
if (dnew == NULL) |
750 |
> |
if (!dnew) |
751 |
|
return(NULL); |
752 |
+ |
if (msrc->info) { |
753 |
+ |
char buf[128]; |
754 |
+ |
sprintf(buf, "Applied %dx%d component transform\n", |
755 |
+ |
dnew->ncomp, msrc->ncomp); |
756 |
+ |
rmx_addinfo(dnew, msrc->info); |
757 |
+ |
rmx_addinfo(dnew, buf); |
758 |
+ |
} |
759 |
|
dnew->dtype = msrc->dtype; |
760 |
|
for (i = dnew->nrows; i--; ) |
761 |
< |
for (j = dnew->ncols; j--; ) |
761 |
> |
for (j = dnew->ncols; j--; ) { |
762 |
> |
const double *ds = rmx_lval(msrc,i,j); |
763 |
|
for (kd = dnew->ncomp; kd--; ) { |
764 |
|
double d = 0; |
765 |
|
for (ks = msrc->ncomp; ks--; ) |
766 |
< |
d += cmat[kd*msrc->ncomp + ks] * rmx_lval(msrc,i,j,ks); |
767 |
< |
rmx_lval(dnew,i,j,kd) = d; |
766 |
> |
d += cmat[kd*msrc->ncomp + ks] * ds[ks]; |
767 |
> |
rmx_lval(dnew,i,j)[kd] = d; |
768 |
|
} |
769 |
+ |
} |
770 |
|
return(dnew); |
771 |
|
} |
772 |
|
|
777 |
|
int i, j; |
778 |
|
RMATRIX *dnew; |
779 |
|
|
780 |
< |
if (cm == NULL) |
780 |
> |
if (!cm) |
781 |
|
return(NULL); |
782 |
|
dnew = rmx_alloc(cm->nrows, cm->ncols, 3); |
783 |
< |
if (dnew == NULL) |
783 |
> |
if (!dnew) |
784 |
|
return(NULL); |
785 |
|
dnew->dtype = DTfloat; |
786 |
|
for (i = dnew->nrows; i--; ) |
787 |
|
for (j = dnew->ncols; j--; ) { |
788 |
|
const COLORV *cv = cm_lval(cm,i,j); |
789 |
< |
rmx_lval(dnew,i,j,0) = cv[0]; |
790 |
< |
rmx_lval(dnew,i,j,1) = cv[1]; |
791 |
< |
rmx_lval(dnew,i,j,2) = cv[2]; |
789 |
> |
double *dp = rmx_lval(dnew,i,j); |
790 |
> |
dp[0] = cv[0]; |
791 |
> |
dp[1] = cv[1]; |
792 |
> |
dp[2] = cv[2]; |
793 |
|
} |
794 |
|
return(dnew); |
795 |
|
} |
801 |
|
int i, j; |
802 |
|
CMATRIX *cnew; |
803 |
|
|
804 |
< |
if (rm == NULL || rm->ncomp != 3) |
804 |
> |
if (!rm || !rm->mtx | ((rm->ncomp != 3) & (rm->ncomp != 1))) |
805 |
|
return(NULL); |
806 |
|
cnew = cm_alloc(rm->nrows, rm->ncols); |
807 |
< |
if (cnew == NULL) |
807 |
> |
if (!cnew) |
808 |
|
return(NULL); |
809 |
|
for (i = cnew->nrows; i--; ) |
810 |
|
for (j = cnew->ncols; j--; ) { |
811 |
< |
COLORV *cv = cm_lval(cnew,i,j); |
812 |
< |
cv[0] = (COLORV)rmx_lval(rm,i,j,0); |
813 |
< |
cv[1] = (COLORV)rmx_lval(rm,i,j,1); |
814 |
< |
cv[2] = (COLORV)rmx_lval(rm,i,j,2); |
811 |
> |
const double *dp = rmx_lval(rm,i,j); |
812 |
> |
COLORV *cv = cm_lval(cnew,i,j); |
813 |
> |
if (rm->ncomp == 1) |
814 |
> |
setcolor(cv, dp[0], dp[0], dp[0]); |
815 |
> |
else |
816 |
> |
setcolor(cv, dp[0], dp[1], dp[2]); |
817 |
|
} |
818 |
|
return(cnew); |
819 |
|
} |