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/* Copyright (c) 1991 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
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#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
| 6 |
– |
|
| 4 |
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/* |
| 5 |
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* pfilt.c - program to post-process picture file. |
| 6 |
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* |
| 7 |
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* 9/26/85 |
| 8 |
+ |
* 6/23/93 Added additional buffers for value spreading |
| 9 |
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*/ |
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|
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< |
#include <stdio.h> |
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> |
#include "copyright.h" |
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|
| 13 |
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#include <signal.h> |
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+ |
#include <string.h> |
| 15 |
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|
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+ |
#include "standard.h" |
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+ |
#include "platform.h" |
| 18 |
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#include "color.h" |
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+ |
#include "view.h" |
| 20 |
+ |
#include "paths.h" |
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|
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– |
#include "resolu.h" |
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– |
|
| 21 |
– |
extern char *malloc(); |
| 22 |
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extern float *matchlamp(); |
| 23 |
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|
| 24 |
< |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
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> |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
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|
| 26 |
< |
#define CHECKRAD 1.5 /* radius to check for filtering */ |
| 26 |
> |
double CHECKRAD = 2.0; /* radius to check for filtering */ |
| 27 |
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|
| 28 |
+ |
#define THRESHRAD 5.0 /* maximum sample spread in output */ |
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+ |
|
| 30 |
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COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
| 31 |
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|
| 32 |
< |
double rad = 0.0; /* output pixel radius for filtering */ |
| 32 |
> |
double rad = 0.0; /* output pixel radius for filtering */ |
| 33 |
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|
| 34 |
+ |
double thresh = 0.0; /* maximum contribution for subpixel */ |
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+ |
|
| 36 |
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int nrows = 0; /* number of rows for output */ |
| 37 |
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int ncols = 0; /* number of columns for output */ |
| 38 |
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|
| 39 |
< |
double x_c = 1.0; /* ratio of output x size to input */ |
| 40 |
< |
double y_r = 1.0; /* ratio of output y size to input */ |
| 39 |
> |
double x_c = 1.0; /* ratio of output x size to input */ |
| 40 |
> |
double y_r = 1.0; /* ratio of output y size to input */ |
| 41 |
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|
| 42 |
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int singlepass = 0; /* true means skip first pass */ |
| 43 |
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|
| 44 |
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int avghot = 0; /* true means average in bright spots */ |
| 45 |
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|
| 46 |
< |
double hotlvl = 1000.0; /* level considered "hot" */ |
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> |
double hotlvl = 100.0; /* level considered "hot" */ |
| 47 |
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|
| 48 |
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int npts = 0; /* (half) number of points for stars */ |
| 49 |
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|
| 50 |
< |
double spread = 1e-4; /* spread for star points */ |
| 50 |
> |
double spread = 1e-4; /* spread for star points */ |
| 51 |
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|
| 48 |
– |
#define TEMPLATE "/usr/tmp/pfXXXXXX" |
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– |
|
| 52 |
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char *tfname = NULL; |
| 53 |
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|
| 54 |
+ |
char template[] = TEMPLATE; |
| 55 |
+ |
|
| 56 |
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char *lampdat = "lamp.tab"; /* lamp data file */ |
| 57 |
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|
| 58 |
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int order; /* scanline ordering of input */ |
| 59 |
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int xres, yres; /* resolution of input */ |
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< |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
| 60 |
> |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
| 61 |
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int correctaspect = 0; /* aspect ratio correction? */ |
| 62 |
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|
| 63 |
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int wrongformat = 0; |
| 64 |
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|
| 65 |
< |
int xrad; /* x window size */ |
| 66 |
< |
int yrad; /* y window size */ |
| 65 |
> |
VIEW ourview = STDVIEW; |
| 66 |
> |
int gotview = 0; |
| 67 |
> |
int wrapfilt = 0; /* wrap filter horizontally? */ |
| 68 |
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|
| 69 |
+ |
int estatus = 0; /* exit status (for non-fatal errors) */ |
| 70 |
+ |
|
| 71 |
+ |
int xrad; /* x search radius */ |
| 72 |
+ |
int yrad; /* y search radius */ |
| 73 |
+ |
int xbrad; /* x box size */ |
| 74 |
+ |
int ybrad; /* y box size */ |
| 75 |
+ |
|
| 76 |
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int barsize; /* size of input scan bar */ |
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COLOR **scanin; /* input scan bar */ |
| 78 |
|
COLOR *scanout; /* output scan line */ |
| 79 |
+ |
COLOR **scoutbar; /* output scan bar (if thresh > 0) */ |
| 80 |
+ |
float **greybar; /* grey-averaged input values */ |
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+ |
int obarsize = 0; /* size of output scan bar */ |
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+ |
int orad = 0; /* output window radius */ |
| 83 |
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|
| 84 |
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char *progname; |
| 85 |
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|
| 88 |
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int argc; |
| 89 |
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char **argv; |
| 90 |
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{ |
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< |
extern char *mktemp(); |
| 76 |
< |
extern double atof(), pow(); |
| 77 |
< |
extern long ftell(); |
| 78 |
< |
extern int quit(), headline(); |
| 91 |
> |
extern int headline(); |
| 92 |
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FILE *fin; |
| 93 |
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float *lampcolor; |
| 94 |
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char *lamptype = NULL; |
| 95 |
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long fpos; |
| 96 |
< |
double outaspect = 0.0; |
| 97 |
< |
double d; |
| 96 |
> |
double outaspect = 0.0; |
| 97 |
> |
double d; |
| 98 |
|
int i, j; |
| 99 |
< |
|
| 99 |
> |
SET_DEFAULT_BINARY(); |
| 100 |
> |
SET_FILE_BINARY(stdin); |
| 101 |
> |
SET_FILE_BINARY(stdout); |
| 102 |
|
if (signal(SIGINT, quit) == SIG_IGN) |
| 103 |
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signal(SIGINT, SIG_IGN); |
| 104 |
+ |
#ifdef SIGHUP |
| 105 |
|
if (signal(SIGHUP, quit) == SIG_IGN) |
| 106 |
< |
signal(SIGINT, SIG_IGN); |
| 106 |
> |
signal(SIGHUP, SIG_IGN); |
| 107 |
> |
#endif |
| 108 |
|
signal(SIGTERM, quit); |
| 109 |
+ |
#ifdef SIGPIPE |
| 110 |
|
signal(SIGPIPE, quit); |
| 111 |
< |
#ifdef SIGXCPU |
| 111 |
> |
#endif |
| 112 |
> |
#ifdef SIGXCPU |
| 113 |
|
signal(SIGXCPU, quit); |
| 114 |
|
signal(SIGXFSZ, quit); |
| 115 |
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#endif |
| 116 |
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|
| 117 |
< |
progname = argv[0]; |
| 117 |
> |
progname = argv[0] = fixargv0(argv[0]); |
| 118 |
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|
| 119 |
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for (i = 1; i < argc; i++) |
| 120 |
|
if (argv[i][0] == '-') |
| 151 |
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fprintf(stderr, |
| 152 |
|
"%s: exposure out of range\n", |
| 153 |
|
argv[0]); |
| 154 |
< |
exit(1); |
| 154 |
> |
quit(1); |
| 155 |
|
} |
| 156 |
|
switch (argv[i][2]) { |
| 157 |
|
case '\0': |
| 198 |
|
case 'r': |
| 199 |
|
rad = atof(argv[++i]); |
| 200 |
|
break; |
| 201 |
+ |
case 'm': |
| 202 |
+ |
thresh = atof(argv[++i]); |
| 203 |
+ |
if (rad <= FTINY) |
| 204 |
+ |
rad = 0.6; |
| 205 |
+ |
break; |
| 206 |
|
case 'b': |
| 207 |
< |
rad = 0.0; |
| 207 |
> |
rad = thresh = 0.0; |
| 208 |
|
break; |
| 209 |
|
default:; |
| 210 |
|
badopt: |
| 223 |
|
fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
| 224 |
|
quit(1); |
| 225 |
|
} |
| 226 |
< |
for (i = 0; i < 3; i++) |
| 227 |
< |
if (lampcolor[i] > 1e-4) |
| 228 |
< |
colval(exposure,i) /= lampcolor[i]; |
| 226 |
> |
for (j = 0; j < 3; j++) |
| 227 |
> |
if (lampcolor[j] > 1e-4) |
| 228 |
> |
colval(exposure,j) /= lampcolor[j]; |
| 229 |
|
freelamps(); |
| 230 |
|
} |
| 231 |
|
/* open input file */ |
| 233 |
|
if (singlepass) |
| 234 |
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fin = stdin; |
| 235 |
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else { |
| 236 |
< |
tfname = mktemp(TEMPLATE); |
| 236 |
> |
tfname = mktemp(template); |
| 237 |
|
if ((fin = fopen(tfname, "w+")) == NULL) { |
| 238 |
|
fprintf(stderr, "%s: can't create ", progname); |
| 239 |
|
fprintf(stderr, "temp file \"%s\"\n", tfname); |
| 271 |
|
} |
| 272 |
|
if (!(order & YMAJOR)) |
| 273 |
|
inpaspect = 1.0/inpaspect; |
| 274 |
+ |
/* wrap around for cylindrical view? */ |
| 275 |
+ |
wrapfilt = gotview && ourview.type == VT_CYL && |
| 276 |
+ |
ourview.horiz >= 360.-FTINY && order & YMAJOR; |
| 277 |
|
/* compute output resolution */ |
| 278 |
|
if (ncols <= 0) |
| 279 |
|
ncols = x_c*xres + .5; |
| 305 |
|
} |
| 306 |
|
pass2(fin); |
| 307 |
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|
| 308 |
< |
quit(0); |
| 308 |
> |
quit(estatus); |
| 309 |
|
} |
| 310 |
|
|
| 311 |
|
|
| 312 |
+ |
double |
| 313 |
+ |
rgb_bright(clr) |
| 314 |
+ |
COLOR clr; |
| 315 |
+ |
{ |
| 316 |
+ |
return(bright(clr)); |
| 317 |
+ |
} |
| 318 |
+ |
|
| 319 |
+ |
|
| 320 |
+ |
double |
| 321 |
+ |
xyz_bright(clr) |
| 322 |
+ |
COLOR clr; |
| 323 |
+ |
{ |
| 324 |
+ |
return(clr[CIEY]); |
| 325 |
+ |
} |
| 326 |
+ |
|
| 327 |
+ |
|
| 328 |
+ |
double (*ourbright)() = rgb_bright; |
| 329 |
+ |
|
| 330 |
+ |
|
| 331 |
+ |
int |
| 332 |
|
headline(s) /* process line from header */ |
| 333 |
|
char *s; |
| 334 |
|
{ |
| 337 |
|
fputs(s, stdout); /* copy to output */ |
| 338 |
|
if (isaspect(s)) /* get aspect ratio */ |
| 339 |
|
inpaspect *= aspectval(s); |
| 340 |
< |
else if (isformat(s)) { |
| 341 |
< |
formatval(fmt, s); |
| 342 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
| 343 |
< |
} |
| 340 |
> |
else if (isexpos(s)) /* get exposure */ |
| 341 |
> |
hotlvl *= exposval(s); |
| 342 |
> |
else if (formatval(fmt, s)) { /* get format */ |
| 343 |
> |
wrongformat = 0; |
| 344 |
> |
if (!strcmp(COLRFMT, fmt)) |
| 345 |
> |
ourbright = rgb_bright; |
| 346 |
> |
else if (!strcmp(CIEFMT, fmt)) |
| 347 |
> |
ourbright = xyz_bright; |
| 348 |
> |
else |
| 349 |
> |
wrongformat = !globmatch(PICFMT, fmt); |
| 350 |
> |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
| 351 |
> |
gotview++; |
| 352 |
> |
return(0); |
| 353 |
|
} |
| 354 |
|
|
| 355 |
|
|
| 383 |
|
} |
| 384 |
|
for (i = 0; i < yres; i++) { |
| 385 |
|
if (freadscan(scan, xres, in) < 0) { |
| 386 |
< |
nrows = nrows * i / yres; /* adjust frame */ |
| 386 |
> |
nrows = (long)nrows * i / yres; /* adjust frame */ |
| 387 |
|
if (nrows <= 0) { |
| 388 |
|
fprintf(stderr, "%s: empty frame\n", progname); |
| 389 |
|
quit(1); |
| 390 |
|
} |
| 391 |
|
fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
| 392 |
< |
progname, 100*i/yres); |
| 392 |
> |
progname, (int)(100L*i/yres)); |
| 393 |
|
yres = i; |
| 394 |
|
y_r = (double)nrows/yres; |
| 395 |
+ |
estatus++; |
| 396 |
|
break; |
| 397 |
|
} |
| 398 |
|
pass1scan(scan, i); |
| 399 |
|
} |
| 400 |
< |
free((char *)scan); |
| 400 |
> |
free((void *)scan); |
| 401 |
|
} |
| 402 |
|
|
| 403 |
|
|
| 407 |
|
int yread; |
| 408 |
|
int ycent, xcent; |
| 409 |
|
int r, c; |
| 410 |
< |
|
| 410 |
> |
|
| 411 |
|
pass2init(); |
| 412 |
|
scan2init(); |
| 413 |
|
yread = 0; |
| 414 |
|
for (r = 0; r < nrows; r++) { |
| 415 |
< |
ycent = (long)r*yres/nrows; |
| 415 |
> |
ycent = (r+.5)*yres/nrows; |
| 416 |
|
while (yread <= ycent+yrad) { |
| 417 |
|
if (yread < yres) { |
| 418 |
|
if (freadscan(scanin[yread%barsize], |
| 419 |
|
xres, in) < 0) { |
| 420 |
|
fprintf(stderr, |
| 421 |
< |
"%s: bad read (y=%d)\n", |
| 421 |
> |
"%s: truncated input (y=%d)\n", |
| 422 |
|
progname, yres-1-yread); |
| 423 |
|
quit(1); |
| 424 |
|
} |
| 426 |
|
} |
| 427 |
|
yread++; |
| 428 |
|
} |
| 429 |
+ |
if (obarsize > 0) |
| 430 |
+ |
scan2sync(r); |
| 431 |
|
for (c = 0; c < ncols; c++) { |
| 432 |
< |
xcent = (long)c*xres/ncols; |
| 433 |
< |
if (rad <= 0.0) |
| 434 |
< |
dobox(scanout[c], xcent, ycent, c, r); |
| 435 |
< |
else |
| 432 |
> |
xcent = (c+.5)*xres/ncols; |
| 433 |
> |
if (thresh > FTINY) |
| 434 |
> |
dothresh(xcent, ycent, c, r); |
| 435 |
> |
else if (rad > FTINY) |
| 436 |
|
dogauss(scanout[c], xcent, ycent, c, r); |
| 437 |
+ |
else |
| 438 |
+ |
dobox(scanout[c], xcent, ycent, c, r); |
| 439 |
|
} |
| 440 |
< |
if (fwritescan(scanout, ncols, stdout) < 0) { |
| 440 |
> |
if (scanout != NULL && fwritescan(scanout, ncols, stdout) < 0) { |
| 441 |
|
fprintf(stderr, "%s: write error in pass2\n", progname); |
| 442 |
|
quit(1); |
| 443 |
|
} |
| 444 |
|
} |
| 445 |
< |
/* skip leftovers */ |
| 445 |
> |
/* skip leftover input */ |
| 446 |
|
while (yread < yres) { |
| 447 |
|
if (freadscan(scanin[0], xres, in) < 0) |
| 448 |
|
break; |
| 449 |
|
yread++; |
| 450 |
|
} |
| 451 |
+ |
scan2flush(); /* flush output */ |
| 452 |
|
} |
| 453 |
|
|
| 454 |
|
|
| 455 |
|
scan2init() /* prepare scanline arrays */ |
| 456 |
|
{ |
| 457 |
|
COLOR ctmp; |
| 458 |
< |
double d; |
| 458 |
> |
double d; |
| 459 |
|
register int i; |
| 460 |
|
|
| 461 |
< |
if (rad <= 0.0) { |
| 462 |
< |
xrad = xres/ncols/2 + 1; |
| 463 |
< |
yrad = yres/nrows/2 + 1; |
| 402 |
< |
} else { |
| 461 |
> |
xbrad = xres/ncols/2 + 1; |
| 462 |
> |
ybrad = yres/nrows/2 + 1; |
| 463 |
> |
if (rad > FTINY) { |
| 464 |
|
if (nrows >= yres && ncols >= xres) |
| 465 |
|
rad *= (y_r + x_c)/2.0; |
| 466 |
|
|
| 467 |
< |
xrad = CHECKRAD*rad/x_c + 1; |
| 468 |
< |
yrad = CHECKRAD*rad/y_r + 1; |
| 469 |
< |
|
| 467 |
> |
if (thresh > FTINY) { |
| 468 |
> |
orad = CHECKRAD*THRESHRAD*rad + 1; |
| 469 |
> |
xrad = orad/x_c + xbrad; |
| 470 |
> |
yrad = orad/y_r + ybrad; |
| 471 |
> |
obarsize = 2*orad + 1; |
| 472 |
> |
} else { |
| 473 |
> |
xrad = CHECKRAD*rad/x_c + 1; |
| 474 |
> |
yrad = CHECKRAD*rad/y_r + 1; |
| 475 |
> |
} |
| 476 |
|
initmask(); /* initialize filter table */ |
| 477 |
+ |
} else { |
| 478 |
+ |
xrad = xbrad; |
| 479 |
+ |
yrad = ybrad; |
| 480 |
|
} |
| 481 |
|
barsize = 2*yrad + 1; |
| 482 |
|
scanin = (COLOR **)malloc(barsize*sizeof(COLOR *)); |
| 483 |
+ |
if (scanin == NULL) |
| 484 |
+ |
goto memerr; |
| 485 |
|
for (i = 0; i < barsize; i++) { |
| 486 |
|
scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR)); |
| 487 |
< |
if (scanin[i] == NULL) { |
| 488 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
| 489 |
< |
quit(1); |
| 487 |
> |
if (scanin[i] == NULL) |
| 488 |
> |
goto memerr; |
| 489 |
> |
} |
| 490 |
> |
if (obarsize > 0) { |
| 491 |
> |
scoutbar = (COLOR **)malloc(obarsize*sizeof(COLOR *)); |
| 492 |
> |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
| 493 |
> |
if ((scoutbar == NULL) | (greybar == NULL)) |
| 494 |
> |
goto memerr; |
| 495 |
> |
for (i = 0; i < obarsize; i++) { |
| 496 |
> |
scoutbar[i] = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 497 |
> |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
| 498 |
> |
if ((scoutbar[i] == NULL) | (greybar[i] == NULL)) |
| 499 |
> |
goto memerr; |
| 500 |
|
} |
| 501 |
+ |
} else { |
| 502 |
+ |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 503 |
+ |
if (scanout == NULL) |
| 504 |
+ |
goto memerr; |
| 505 |
|
} |
| 420 |
– |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
| 421 |
– |
if (scanout == NULL) { |
| 422 |
– |
fprintf(stderr, "%s: out of memory\n", progname); |
| 423 |
– |
quit(1); |
| 424 |
– |
} |
| 506 |
|
/* record pixel aspect ratio */ |
| 507 |
|
if (!correctaspect) { |
| 508 |
|
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
| 510 |
|
fputaspect(d, stdout); |
| 511 |
|
} |
| 512 |
|
/* record exposure */ |
| 513 |
< |
d = bright(exposure); |
| 513 |
> |
d = (*ourbright)(exposure); |
| 514 |
|
if (!FEQ(d,1.0)) |
| 515 |
|
fputexpos(d, stdout); |
| 516 |
|
/* record color correction */ |
| 522 |
|
printf("\n"); |
| 523 |
|
/* write out resolution */ |
| 524 |
|
fputresolu(order, ncols, nrows, stdout); |
| 525 |
+ |
return; |
| 526 |
+ |
memerr: |
| 527 |
+ |
fprintf(stderr, "%s: out of memory\n", progname); |
| 528 |
+ |
quit(1); |
| 529 |
|
} |
| 530 |
|
|
| 531 |
|
|
| 532 |
+ |
scan2sync(r) /* synchronize grey averages and output scan */ |
| 533 |
+ |
int r; |
| 534 |
+ |
{ |
| 535 |
+ |
static int nextrow = 0; |
| 536 |
+ |
COLOR ctmp; |
| 537 |
+ |
int ybot; |
| 538 |
+ |
register int c; |
| 539 |
+ |
/* average input scanlines */ |
| 540 |
+ |
while (nextrow <= r+orad && nextrow < nrows) { |
| 541 |
+ |
ybot = (nextrow+.5)*yres/nrows; |
| 542 |
+ |
for (c = 0; c < ncols; c++) { |
| 543 |
+ |
dobox(ctmp, (int)((c+.5)*xres/ncols),ybot, c,nextrow); |
| 544 |
+ |
greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
| 545 |
+ |
} |
| 546 |
+ |
/* and zero output scanline */ |
| 547 |
+ |
memset((char *)scoutbar[nextrow%obarsize], '\0', ncols*sizeof(COLOR)); |
| 548 |
+ |
nextrow++; |
| 549 |
+ |
} |
| 550 |
+ |
/* point to top scanline for output */ |
| 551 |
+ |
if (r-orad >= 0) |
| 552 |
+ |
scanout = scoutbar[(r-orad)%obarsize]; |
| 553 |
+ |
else |
| 554 |
+ |
scanout = NULL; |
| 555 |
+ |
} |
| 556 |
+ |
|
| 557 |
+ |
|
| 558 |
+ |
scan2flush() /* flush output buffer */ |
| 559 |
+ |
{ |
| 560 |
+ |
register int r; |
| 561 |
+ |
|
| 562 |
+ |
for (r = nrows-orad; r < nrows; r++) |
| 563 |
+ |
if (fwritescan(scoutbar[r%obarsize], ncols, stdout) < 0) |
| 564 |
+ |
break; |
| 565 |
+ |
if (fflush(stdout) < 0) { |
| 566 |
+ |
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
| 567 |
+ |
quit(1); |
| 568 |
+ |
} |
| 569 |
+ |
} |
| 570 |
+ |
|
| 571 |
+ |
|
| 572 |
+ |
void |
| 573 |
|
quit(code) /* remove temporary file and exit */ |
| 574 |
|
int code; |
| 575 |
|
{ |