| 11 |
|
#include "standard.h" |
| 12 |
|
#include "cmatrix.h" |
| 13 |
|
#include "platform.h" |
| 14 |
+ |
#include "rtprocess.h" |
| 15 |
+ |
#include "resolu.h" |
| 16 |
|
|
| 17 |
+ |
const char *cm_fmt_id[] = { |
| 18 |
+ |
"unknown", "ascii", COLRFMT, CIEFMT, |
| 19 |
+ |
"float", "double" |
| 20 |
+ |
}; |
| 21 |
+ |
|
| 22 |
+ |
const int cm_elem_size[] = { |
| 23 |
+ |
0, 0, 3*sizeof(float), 3*sizeof(double), 4, 4 |
| 24 |
+ |
}; |
| 25 |
+ |
|
| 26 |
|
/* Allocate a color coefficient matrix */ |
| 27 |
|
CMATRIX * |
| 28 |
|
cm_alloc(int nrows, int ncols) |
| 32 |
|
if ((nrows <= 0) | (ncols <= 0)) |
| 33 |
|
error(USER, "attempt to create empty matrix"); |
| 34 |
|
cm = (CMATRIX *)malloc(sizeof(CMATRIX) + |
| 35 |
< |
3*sizeof(COLORV)*(nrows*ncols - 1)); |
| 35 |
> |
sizeof(COLOR)*(nrows*ncols - 1)); |
| 36 |
|
if (cm == NULL) |
| 37 |
|
error(SYSTEM, "out of memory in cm_alloc()"); |
| 38 |
|
cm->nrows = nrows; |
| 40 |
|
return(cm); |
| 41 |
|
} |
| 42 |
|
|
| 43 |
+ |
static void |
| 44 |
+ |
adjacent_ra_sizes(size_t bounds[2], size_t target) |
| 45 |
+ |
{ |
| 46 |
+ |
bounds[0] = 0; bounds[1] = 2048; |
| 47 |
+ |
while (bounds[1] < target) { |
| 48 |
+ |
bounds[0] = bounds[1]; |
| 49 |
+ |
bounds[1] += bounds[1]>>1; |
| 50 |
+ |
} |
| 51 |
+ |
} |
| 52 |
+ |
|
| 53 |
|
/* Resize color coefficient matrix */ |
| 54 |
|
CMATRIX * |
| 55 |
|
cm_resize(CMATRIX *cm, int nrows) |
| 56 |
|
{ |
| 57 |
+ |
size_t old_size, new_size, ra_bounds[2]; |
| 58 |
+ |
|
| 59 |
|
if (nrows == cm->nrows) |
| 60 |
|
return(cm); |
| 61 |
|
if (nrows <= 0) { |
| 62 |
|
cm_free(cm); |
| 63 |
|
return(NULL); |
| 64 |
|
} |
| 65 |
< |
cm = (CMATRIX *)realloc(cm, sizeof(CMATRIX) + |
| 66 |
< |
3*sizeof(COLORV)*(nrows*cm->ncols - 1)); |
| 67 |
< |
if (cm == NULL) |
| 68 |
< |
error(SYSTEM, "out of memory in cm_resize()"); |
| 65 |
> |
old_size = sizeof(CMATRIX) + sizeof(COLOR)*(cm->nrows*cm->ncols - 1); |
| 66 |
> |
adjacent_ra_sizes(ra_bounds, old_size); |
| 67 |
> |
new_size = sizeof(CMATRIX) + sizeof(COLOR)*(nrows*cm->ncols - 1); |
| 68 |
> |
if (nrows < cm->nrows ? new_size <= ra_bounds[0] : |
| 69 |
> |
new_size > ra_bounds[1]) { |
| 70 |
> |
adjacent_ra_sizes(ra_bounds, new_size); |
| 71 |
> |
cm = (CMATRIX *)realloc(cm, ra_bounds[1]); |
| 72 |
> |
if (cm == NULL) |
| 73 |
> |
error(SYSTEM, "out of memory in cm_resize()"); |
| 74 |
> |
} |
| 75 |
|
cm->nrows = nrows; |
| 76 |
|
return(cm); |
| 77 |
|
} |
| 78 |
|
|
| 79 |
+ |
typedef struct { |
| 80 |
+ |
int dtype; /* data type */ |
| 81 |
+ |
int nrows, ncols; /* matrix size */ |
| 82 |
+ |
char *err; /* error message */ |
| 83 |
+ |
} CMINFO; /* header info record */ |
| 84 |
+ |
|
| 85 |
|
static int |
| 86 |
< |
getDT(char *s, void *p) |
| 86 |
> |
get_cminfo(char *s, void *p) |
| 87 |
|
{ |
| 88 |
+ |
CMINFO *ip = (CMINFO *)p; |
| 89 |
|
char fmt[32]; |
| 90 |
< |
|
| 91 |
< |
if (formatval(fmt, s)) { |
| 92 |
< |
if (!strcmp(fmt, "ascii")) |
| 93 |
< |
*((int *)p) = DTascii; |
| 94 |
< |
else if (!strcmp(fmt, "float")) |
| 59 |
< |
*((int *)p) = DTfloat; |
| 60 |
< |
else if (!strcmp(fmt, "double")) |
| 61 |
< |
*((int *)p) = DTdouble; |
| 62 |
< |
else if (!strcmp(fmt, COLRFMT)) |
| 63 |
< |
*((int *)p) = DTrgbe; |
| 64 |
< |
else if (!strcmp(fmt, CIEFMT)) |
| 65 |
< |
*((int *)p) = DTxyze; |
| 90 |
> |
int i; |
| 91 |
> |
|
| 92 |
> |
if (!strncmp(s, "NCOMP=", 6) && atoi(s+6) != 3) { |
| 93 |
> |
ip->err = "unexpected # components (must be 3)"; |
| 94 |
> |
return(-1); |
| 95 |
|
} |
| 96 |
+ |
if (!strncmp(s, "NROWS=", 6)) { |
| 97 |
+ |
ip->nrows = atoi(s+6); |
| 98 |
+ |
return(0); |
| 99 |
+ |
} |
| 100 |
+ |
if (!strncmp(s, "NCOLS=", 6)) { |
| 101 |
+ |
ip->ncols = atoi(s+6); |
| 102 |
+ |
return(0); |
| 103 |
+ |
} |
| 104 |
+ |
if (!formatval(fmt, s)) |
| 105 |
+ |
return(0); |
| 106 |
+ |
for (i = 1; i < DTend; i++) |
| 107 |
+ |
if (!strcmp(fmt, cm_fmt_id[i])) |
| 108 |
+ |
ip->dtype = i; |
| 109 |
|
return(0); |
| 110 |
|
} |
| 111 |
|
|
| 112 |
< |
/* Load header to obtain data type */ |
| 113 |
< |
int |
| 114 |
< |
getDTfromHeader(FILE *fp) |
| 112 |
> |
/* Load header to obtain/check data type and number of columns */ |
| 113 |
> |
char * |
| 114 |
> |
cm_getheader(int *dt, int *nr, int *nc, FILE *fp) |
| 115 |
|
{ |
| 116 |
< |
int dt = DTfromHeader; |
| 117 |
< |
|
| 118 |
< |
if (getheader(fp, getDT, &dt) < 0) |
| 119 |
< |
error(SYSTEM, "header read error"); |
| 120 |
< |
if (dt == DTfromHeader) |
| 121 |
< |
error(USER, "missing data format in header"); |
| 122 |
< |
return(dt); |
| 116 |
> |
CMINFO cmi; |
| 117 |
> |
/* read header */ |
| 118 |
> |
cmi.dtype = DTfromHeader; |
| 119 |
> |
cmi.nrows = cmi.ncols = 0; |
| 120 |
> |
cmi.err = "unexpected EOF in header"; |
| 121 |
> |
if (getheader(fp, get_cminfo, &cmi) < 0) |
| 122 |
> |
return(cmi.err); |
| 123 |
> |
if (dt != NULL) { /* get/check data type? */ |
| 124 |
> |
if (cmi.dtype == DTfromHeader) { |
| 125 |
> |
if (*dt == DTfromHeader) |
| 126 |
> |
return("missing/unknown data format in header"); |
| 127 |
> |
} else if (*dt == DTfromHeader) |
| 128 |
> |
*dt = cmi.dtype; |
| 129 |
> |
else if (*dt != cmi.dtype) |
| 130 |
> |
return("unexpected data format in header"); |
| 131 |
> |
} |
| 132 |
> |
if (nr != NULL) { /* get/check #rows? */ |
| 133 |
> |
if (*nr <= 0) |
| 134 |
> |
*nr = cmi.nrows; |
| 135 |
> |
else if ((cmi.nrows > 0) & (*nr != cmi.nrows)) |
| 136 |
> |
return("unexpected row count in header"); |
| 137 |
> |
} |
| 138 |
> |
if (nc != NULL) { /* get/check #columns? */ |
| 139 |
> |
if (*nc <= 0) |
| 140 |
> |
*nc = cmi.ncols; |
| 141 |
> |
else if ((cmi.ncols > 0) & (*nc != cmi.ncols)) |
| 142 |
> |
return("unexpected column count in header"); |
| 143 |
> |
} |
| 144 |
> |
return(NULL); |
| 145 |
|
} |
| 146 |
|
|
| 147 |
< |
/* Allocate and load a matrix from the given file (or stdin if NULL) */ |
| 147 |
> |
/* Allocate and load a matrix from the given input (or stdin if NULL) */ |
| 148 |
|
CMATRIX * |
| 149 |
< |
cm_load(const char *fname, int nrows, int ncols, int dtype) |
| 149 |
> |
cm_load(const char *inspec, int nrows, int ncols, int dtype) |
| 150 |
|
{ |
| 151 |
|
FILE *fp = stdin; |
| 152 |
|
CMATRIX *cm; |
| 153 |
|
|
| 154 |
< |
if (ncols <= 0) |
| 155 |
< |
error(USER, "Non-positive number of columns"); |
| 156 |
< |
if (fname == NULL) |
| 157 |
< |
fname = "<stdin>"; |
| 158 |
< |
else if ((fp = fopen(fname, "r")) == NULL) { |
| 159 |
< |
sprintf(errmsg, "cannot open file '%s'", fname); |
| 154 |
> |
if (inspec == NULL) |
| 155 |
> |
inspec = "<stdin>"; |
| 156 |
> |
else if (inspec[0] == '!') { |
| 157 |
> |
fp = popen(inspec+1, "r"); |
| 158 |
> |
if (fp == NULL) { |
| 159 |
> |
sprintf(errmsg, "cannot start command '%s'", inspec); |
| 160 |
> |
error(SYSTEM, errmsg); |
| 161 |
> |
} |
| 162 |
> |
} else if ((fp = fopen(inspec, "r")) == NULL) { |
| 163 |
> |
sprintf(errmsg, "cannot open file '%s'", inspec); |
| 164 |
|
error(SYSTEM, errmsg); |
| 165 |
|
} |
| 166 |
|
#ifdef getc_unlocked |
| 168 |
|
#endif |
| 169 |
|
if (dtype != DTascii) |
| 170 |
|
SET_FILE_BINARY(fp); /* doesn't really work */ |
| 171 |
< |
if (dtype == DTfromHeader) |
| 172 |
< |
dtype = getDTfromHeader(fp); |
| 171 |
> |
if (!dtype | !ncols) { /* expecting header? */ |
| 172 |
> |
char *err = cm_getheader(&dtype, &nrows, &ncols, fp); |
| 173 |
> |
if (err != NULL) |
| 174 |
> |
error(USER, err); |
| 175 |
> |
if (ncols <= 0) |
| 176 |
> |
error(USER, "unspecified number of columns"); |
| 177 |
> |
} |
| 178 |
|
switch (dtype) { |
| 179 |
|
case DTascii: |
| 180 |
|
case DTfloat: |
| 185 |
|
} |
| 186 |
|
if (nrows <= 0) { /* don't know length? */ |
| 187 |
|
int guessrows = 147; /* usually big enough */ |
| 188 |
< |
if ((dtype != DTascii) & (fp != stdin)) { |
| 188 |
> |
if ((dtype != DTascii) & (fp != stdin) & (inspec[0] != '!')) { |
| 189 |
|
long startpos = ftell(fp); |
| 190 |
|
if (fseek(fp, 0L, SEEK_END) == 0) { |
| 191 |
|
long endpos = ftell(fp); |
| 195 |
|
if ((endpos - startpos) % (ncols*elemsiz)) { |
| 196 |
|
sprintf(errmsg, |
| 197 |
|
"improper length for binary file '%s'", |
| 198 |
< |
fname); |
| 198 |
> |
inspec); |
| 199 |
|
error(USER, errmsg); |
| 200 |
|
} |
| 201 |
|
guessrows = (endpos - startpos)/(ncols*elemsiz); |
| 202 |
|
if (fseek(fp, startpos, SEEK_SET) < 0) { |
| 203 |
|
sprintf(errmsg, |
| 204 |
|
"fseek() error on file '%s'", |
| 205 |
< |
fname); |
| 205 |
> |
inspec); |
| 206 |
|
error(SYSTEM, errmsg); |
| 207 |
|
} |
| 208 |
|
nrows = guessrows; /* we're confident */ |
| 232 |
|
while ((c = getc(fp)) != EOF) |
| 233 |
|
if (!isspace(c)) { |
| 234 |
|
sprintf(errmsg, |
| 235 |
< |
"unexpected data at end of ascii file %s", |
| 236 |
< |
fname); |
| 235 |
> |
"unexpected data at end of ascii input '%s'", |
| 236 |
> |
inspec); |
| 237 |
|
error(WARNING, errmsg); |
| 238 |
|
break; |
| 239 |
|
} |
| 240 |
|
} else { /* read binary file */ |
| 241 |
< |
if (sizeof(COLORV) == (dtype==DTfloat ? sizeof(float) : |
| 169 |
< |
sizeof(double))) { |
| 241 |
> |
if (sizeof(COLOR) == cm_elem_size[dtype]) { |
| 242 |
|
int nread = 0; |
| 243 |
|
do { /* read all we can */ |
| 244 |
|
nread += fread(cm->cmem + 3*nread, |
| 245 |
< |
3*sizeof(COLORV), |
| 245 |
> |
sizeof(COLOR), |
| 246 |
|
cm->nrows*cm->ncols - nread, |
| 247 |
|
fp); |
| 248 |
|
if (nrows <= 0) { /* unknown length */ |
| 287 |
|
} |
| 288 |
|
if (fgetc(fp) != EOF) { |
| 289 |
|
sprintf(errmsg, |
| 290 |
< |
"unexpected data at end of binary file %s", |
| 291 |
< |
fname); |
| 290 |
> |
"unexpected data at end of binary input '%s'", |
| 291 |
> |
inspec); |
| 292 |
|
error(WARNING, errmsg); |
| 293 |
|
} |
| 294 |
|
} |
| 295 |
< |
if (fp != stdin) |
| 296 |
< |
fclose(fp); |
| 295 |
> |
if (fp != stdin) { |
| 296 |
> |
if (inspec[0] != '!') |
| 297 |
> |
fclose(fp); |
| 298 |
> |
else if (pclose(fp)) { |
| 299 |
> |
sprintf(errmsg, "error running command '%s'", inspec); |
| 300 |
> |
error(WARNING, errmsg); |
| 301 |
> |
} |
| 302 |
> |
} |
| 303 |
|
#ifdef getc_unlocked |
| 304 |
|
else |
| 305 |
|
funlockfile(fp); |
| 306 |
|
#endif |
| 307 |
|
return(cm); |
| 308 |
|
EOFerror: |
| 309 |
< |
sprintf(errmsg, "unexpected EOF reading %s", fname); |
| 309 |
> |
sprintf(errmsg, "unexpected EOF reading %s", inspec); |
| 310 |
|
error(USER, errmsg); |
| 311 |
|
not_handled: |
| 312 |
|
error(INTERNAL, "unhandled data size or length in cm_load()"); |
| 390 |
|
for (dr = 0; dr < cmr->nrows; dr++) |
| 391 |
|
for (dc = 0; dc < cmr->ncols; dc++) { |
| 392 |
|
COLORV *dp = cm_lval(cmr,dr,dc); |
| 393 |
+ |
double res[3]; |
| 394 |
|
dp[0] = dp[1] = dp[2] = 0; |
| 395 |
|
if (rowcheck != NULL && !rowcheck[dr]) |
| 396 |
|
continue; |
| 397 |
|
if (colcheck != NULL && !colcheck[dc]) |
| 398 |
|
continue; |
| 399 |
+ |
res[0] = res[1] = res[2] = 0; |
| 400 |
|
for (i = 0; i < cm1->ncols; i++) { |
| 401 |
|
const COLORV *cp1 = cm_lval(cm1,dr,i); |
| 402 |
|
const COLORV *cp2 = cm_lval(cm2,i,dc); |
| 403 |
< |
dp[0] += cp1[0] * cp2[0]; |
| 404 |
< |
dp[1] += cp1[1] * cp2[1]; |
| 405 |
< |
dp[2] += cp1[2] * cp2[2]; |
| 403 |
> |
res[0] += cp1[0] * cp2[0]; |
| 404 |
> |
res[1] += cp1[1] * cp2[1]; |
| 405 |
> |
res[2] += cp1[2] * cp2[2]; |
| 406 |
|
} |
| 407 |
+ |
copycolor(dp, res); |
| 408 |
|
} |
| 409 |
|
if (rowcheck != NULL) free(rowcheck); |
| 410 |
|
if (colcheck != NULL) free(colcheck); |
| 411 |
|
return(cmr); |
| 412 |
|
} |
| 413 |
|
|
| 414 |
< |
/* print out matrix as ASCII text -- no header */ |
| 415 |
< |
void |
| 416 |
< |
cm_print(const CMATRIX *cm, FILE *fp) |
| 414 |
> |
/* write out matrix to file (precede by resolution string if picture) */ |
| 415 |
> |
int |
| 416 |
> |
cm_write(const CMATRIX *cm, int dtype, FILE *fp) |
| 417 |
|
{ |
| 418 |
< |
int r, c; |
| 419 |
< |
const COLORV *mp = cm->cmem; |
| 420 |
< |
|
| 421 |
< |
for (r = 0; r < cm->nrows; r++) { |
| 422 |
< |
for (c = 0; c < cm->ncols; c++, mp += 3) |
| 423 |
< |
fprintf(fp, "\t%.6e %.6e %.6e", mp[0], mp[1], mp[2]); |
| 424 |
< |
fputc('\n', fp); |
| 418 |
> |
static const char tabEOL[2] = {'\t','\n'}; |
| 419 |
> |
const COLORV *mp = cm->cmem; |
| 420 |
> |
int r, c; |
| 421 |
> |
|
| 422 |
> |
switch (dtype) { |
| 423 |
> |
case DTascii: |
| 424 |
> |
for (r = 0; r < cm->nrows; r++) |
| 425 |
> |
for (c = 0; c < cm->ncols; c++, mp += 3) |
| 426 |
> |
fprintf(fp, "%.6e %.6e %.6e%c", |
| 427 |
> |
mp[0], mp[1], mp[2], |
| 428 |
> |
tabEOL[c >= cm->ncols-1]); |
| 429 |
> |
break; |
| 430 |
> |
case DTfloat: |
| 431 |
> |
case DTdouble: |
| 432 |
> |
if (sizeof(COLOR) == cm_elem_size[dtype]) { |
| 433 |
> |
r = cm->ncols*cm->nrows; |
| 434 |
> |
while (r > 0) { |
| 435 |
> |
c = fwrite(mp, sizeof(COLOR), r, fp); |
| 436 |
> |
if (c <= 0) |
| 437 |
> |
return(0); |
| 438 |
> |
mp += 3*c; |
| 439 |
> |
r -= c; |
| 440 |
> |
} |
| 441 |
> |
} else if (dtype == DTdouble) { |
| 442 |
> |
double dc[3]; |
| 443 |
> |
r = cm->ncols*cm->nrows; |
| 444 |
> |
while (r--) { |
| 445 |
> |
copycolor(dc, mp); |
| 446 |
> |
if (fwrite(dc, sizeof(double), 3, fp) != 3) |
| 447 |
> |
return(0); |
| 448 |
> |
mp += 3; |
| 449 |
> |
} |
| 450 |
> |
} else /* dtype == DTfloat */ { |
| 451 |
> |
float fc[3]; |
| 452 |
> |
r = cm->ncols*cm->nrows; |
| 453 |
> |
while (r--) { |
| 454 |
> |
copycolor(fc, mp); |
| 455 |
> |
if (fwrite(fc, sizeof(float), 3, fp) != 3) |
| 456 |
> |
return(0); |
| 457 |
> |
mp += 3; |
| 458 |
> |
} |
| 459 |
> |
} |
| 460 |
> |
break; |
| 461 |
> |
case DTrgbe: |
| 462 |
> |
case DTxyze: |
| 463 |
> |
fprtresolu(cm->ncols, cm->nrows, fp); |
| 464 |
> |
for (r = 0; r < cm->nrows; r++, mp += 3*cm->ncols) |
| 465 |
> |
if (fwritescan((COLOR *)mp, cm->ncols, fp) < 0) |
| 466 |
> |
return(0); |
| 467 |
> |
break; |
| 468 |
> |
default: |
| 469 |
> |
fputs("Unsupported data type in cm_write()!\n", stderr); |
| 470 |
> |
return(0); |
| 471 |
|
} |
| 472 |
+ |
return(fflush(fp) == 0); |
| 473 |
|
} |