1 |
< |
/* Copyright (c) 1986 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
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|
3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
8 |
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* pfilt.c - program to post-process picture file. |
9 |
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* |
10 |
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* 9/26/85 |
11 |
+ |
* 6/23/93 Added additional buffers for value spreading |
12 |
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*/ |
13 |
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|
14 |
< |
#include <stdio.h> |
14 |
> |
#include "standard.h" |
15 |
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|
16 |
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#include <signal.h> |
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|
18 |
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#include "color.h" |
19 |
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|
20 |
< |
extern char *malloc(); |
20 |
> |
#include "resolu.h" |
21 |
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|
22 |
< |
#define CHECKRAD 1.5 /* radius to check for filtering */ |
22 |
> |
#include "paths.h" |
23 |
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|
24 |
+ |
extern float *matchlamp(); |
25 |
+ |
|
26 |
+ |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
27 |
+ |
|
28 |
+ |
double CHECKRAD = 1.5; /* radius to check for filtering */ |
29 |
+ |
|
30 |
+ |
#define THRESHRAD 5.0 /* maximum sample spread in output */ |
31 |
+ |
|
32 |
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COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
33 |
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|
34 |
< |
double rad = 0.0; /* output pixel radius for filtering */ |
34 |
> |
double rad = 0.0; /* output pixel radius for filtering */ |
35 |
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|
36 |
+ |
double thresh = 0.0; /* maximum contribution for subpixel */ |
37 |
+ |
|
38 |
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int nrows = 0; /* number of rows for output */ |
39 |
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int ncols = 0; /* number of columns for output */ |
40 |
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|
41 |
< |
double x_c = 1.0; /* ratio of output x size to input */ |
42 |
< |
double y_r = 1.0; /* ratio of output y size to input */ |
41 |
> |
double x_c = 1.0; /* ratio of output x size to input */ |
42 |
> |
double y_r = 1.0; /* ratio of output y size to input */ |
43 |
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|
44 |
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int singlepass = 0; /* true means skip first pass */ |
45 |
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|
46 |
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int avghot = 0; /* true means average in bright spots */ |
47 |
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|
48 |
< |
double hotlvl = 1000.0; /* level considered "hot" */ |
48 |
> |
double hotlvl = 100.0; /* level considered "hot" */ |
49 |
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|
50 |
|
int npts = 0; /* (half) number of points for stars */ |
51 |
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|
52 |
< |
double spread = 1e-4; /* spread for star points */ |
52 |
> |
double spread = 1e-4; /* spread for star points */ |
53 |
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|
43 |
– |
#define TEMPLATE "/usr/tmp/pfXXXXXX" |
44 |
– |
|
54 |
|
char *tfname = NULL; |
55 |
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|
56 |
+ |
char template[] = TEMPLATE; |
57 |
+ |
|
58 |
+ |
char *lampdat = "lamp.tab"; /* lamp data file */ |
59 |
+ |
|
60 |
+ |
int order; /* scanline ordering of input */ |
61 |
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int xres, yres; /* resolution of input */ |
62 |
< |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
62 |
> |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
63 |
> |
int correctaspect = 0; /* aspect ratio correction? */ |
64 |
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|
65 |
< |
int xrad; /* x window size */ |
51 |
< |
int yrad; /* y window size */ |
65 |
> |
int wrongformat = 0; |
66 |
|
|
67 |
+ |
int xrad; /* x search radius */ |
68 |
+ |
int yrad; /* y search radius */ |
69 |
+ |
int xbrad; /* x box size */ |
70 |
+ |
int ybrad; /* y box size */ |
71 |
+ |
|
72 |
|
int barsize; /* size of input scan bar */ |
73 |
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COLOR **scanin; /* input scan bar */ |
74 |
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COLOR *scanout; /* output scan line */ |
75 |
+ |
COLOR **scoutbar; /* output scan bar (if thresh > 0) */ |
76 |
+ |
float **greybar; /* grey-averaged input values */ |
77 |
+ |
int obarsize = 0; /* size of output scan bar */ |
78 |
+ |
int orad = 0; /* output window radius */ |
79 |
|
|
80 |
|
char *progname; |
81 |
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|
84 |
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int argc; |
85 |
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char **argv; |
86 |
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{ |
64 |
– |
extern char *mktemp(); |
65 |
– |
extern double atof(), pow(); |
87 |
|
extern long ftell(); |
88 |
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extern int quit(), headline(); |
89 |
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FILE *fin; |
90 |
+ |
float *lampcolor; |
91 |
+ |
char *lamptype = NULL; |
92 |
|
long fpos; |
93 |
< |
double outaspect = 0.0; |
94 |
< |
double d; |
95 |
< |
int i; |
96 |
< |
|
93 |
> |
double outaspect = 0.0; |
94 |
> |
double d; |
95 |
> |
int i, j; |
96 |
> |
#ifdef MSDOS |
97 |
> |
extern int _fmode; |
98 |
> |
_fmode = O_BINARY; |
99 |
> |
setmode(fileno(stdin), O_BINARY); |
100 |
> |
setmode(fileno(stdout), O_BINARY); |
101 |
> |
#endif |
102 |
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if (signal(SIGINT, quit) == SIG_IGN) |
103 |
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signal(SIGINT, SIG_IGN); |
104 |
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if (signal(SIGHUP, quit) == SIG_IGN) |
105 |
< |
signal(SIGINT, SIG_IGN); |
105 |
> |
signal(SIGHUP, SIG_IGN); |
106 |
|
signal(SIGTERM, quit); |
107 |
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signal(SIGPIPE, quit); |
108 |
< |
#ifdef SIGXCPU |
108 |
> |
#ifdef SIGXCPU |
109 |
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signal(SIGXCPU, quit); |
110 |
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signal(SIGXFSZ, quit); |
111 |
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#endif |
112 |
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|
113 |
< |
progname = argv[0]; |
113 |
> |
progname = argv[0] = fixargv0(argv[0]); |
114 |
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|
115 |
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for (i = 1; i < argc; i++) |
116 |
|
if (argv[i][0] == '-') |
131 |
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} else |
132 |
|
nrows = atoi(argv[i]); |
133 |
|
break; |
134 |
+ |
case 'c': |
135 |
+ |
correctaspect = !correctaspect; |
136 |
+ |
break; |
137 |
|
case 'p': |
138 |
|
i++; |
139 |
|
outaspect = atof(argv[i]); |
143 |
|
d = pow(2.0, atof(argv[i+1])); |
144 |
|
else |
145 |
|
d = atof(argv[i+1]); |
146 |
+ |
if (d < 1e-20 || d > 1e20) { |
147 |
+ |
fprintf(stderr, |
148 |
+ |
"%s: exposure out of range\n", |
149 |
+ |
argv[0]); |
150 |
+ |
exit(1); |
151 |
+ |
} |
152 |
|
switch (argv[i][2]) { |
153 |
|
case '\0': |
154 |
|
scalecolor(exposure, d); |
167 |
|
} |
168 |
|
i++; |
169 |
|
break; |
170 |
+ |
case 'f': |
171 |
+ |
lampdat = argv[++i]; |
172 |
+ |
break; |
173 |
+ |
case 't': |
174 |
+ |
lamptype = argv[++i]; |
175 |
+ |
break; |
176 |
|
case '1': |
177 |
|
singlepass = 1; |
178 |
|
break; |
194 |
|
case 'r': |
195 |
|
rad = atof(argv[++i]); |
196 |
|
break; |
197 |
+ |
case 'm': |
198 |
+ |
thresh = atof(argv[++i]); |
199 |
+ |
if (rad <= FTINY) |
200 |
+ |
rad = 1.0; |
201 |
+ |
break; |
202 |
|
case 'b': |
203 |
< |
rad = 0.0; |
203 |
> |
rad = thresh = 0.0; |
204 |
|
break; |
205 |
|
default:; |
206 |
|
badopt: |
211 |
|
} |
212 |
|
else |
213 |
|
break; |
214 |
< |
|
214 |
> |
/* get lamp data (if necessary) */ |
215 |
> |
if (lamptype != NULL) { |
216 |
> |
if (loadlamps(lampdat) < 0) |
217 |
> |
quit(1); |
218 |
> |
if ((lampcolor = matchlamp(lamptype)) == NULL) { |
219 |
> |
fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
220 |
> |
quit(1); |
221 |
> |
} |
222 |
> |
for (j = 0; j < 3; j++) |
223 |
> |
if (lampcolor[j] > 1e-4) |
224 |
> |
colval(exposure,j) /= lampcolor[j]; |
225 |
> |
freelamps(); |
226 |
> |
} |
227 |
> |
/* open input file */ |
228 |
|
if (i == argc) { |
229 |
|
if (singlepass) |
230 |
|
fin = stdin; |
231 |
|
else { |
232 |
< |
tfname = mktemp(TEMPLATE); |
232 |
> |
tfname = mktemp(template); |
233 |
|
if ((fin = fopen(tfname, "w+")) == NULL) { |
234 |
|
fprintf(stderr, "%s: can't create ", progname); |
235 |
|
fprintf(stderr, "temp file \"%s\"\n", tfname); |
252 |
|
quit(1); |
253 |
|
} |
254 |
|
/* get header */ |
255 |
< |
getheader(fin, headline); |
255 |
> |
getheader(fin, headline, NULL); |
256 |
> |
if (wrongformat) { |
257 |
> |
fprintf(stderr, "%s: input must be a Radiance picture\n", |
258 |
> |
progname); |
259 |
> |
quit(1); |
260 |
> |
} |
261 |
|
/* add new header info. */ |
262 |
|
printargs(i, argv, stdout); |
263 |
|
/* get picture size */ |
264 |
< |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
264 |
> |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
265 |
|
fprintf(stderr, "%s: bad picture size\n", progname); |
266 |
|
quit(1); |
267 |
|
} |
268 |
+ |
if (!(order & YMAJOR)) |
269 |
+ |
inpaspect = 1.0/inpaspect; |
270 |
|
/* compute output resolution */ |
271 |
|
if (ncols <= 0) |
272 |
|
ncols = x_c*xres + .5; |
305 |
|
headline(s) /* process line from header */ |
306 |
|
char *s; |
307 |
|
{ |
308 |
+ |
char fmt[32]; |
309 |
+ |
|
310 |
|
fputs(s, stdout); /* copy to output */ |
311 |
|
if (isaspect(s)) /* get aspect ratio */ |
312 |
|
inpaspect *= aspectval(s); |
313 |
+ |
else if (isexpos(s)) |
314 |
+ |
hotlvl *= exposval(s); |
315 |
+ |
else if (isformat(s)) { |
316 |
+ |
formatval(fmt, s); |
317 |
+ |
wrongformat = strcmp(fmt, COLRFMT); |
318 |
+ |
} |
319 |
|
} |
320 |
|
|
321 |
|
|
349 |
|
} |
350 |
|
for (i = 0; i < yres; i++) { |
351 |
|
if (freadscan(scan, xres, in) < 0) { |
352 |
< |
nrows = nrows * i / yres; /* adjust frame */ |
352 |
> |
nrows = (long)nrows * i / yres; /* adjust frame */ |
353 |
|
if (nrows <= 0) { |
354 |
|
fprintf(stderr, "%s: empty frame\n", progname); |
355 |
|
quit(1); |
356 |
|
} |
357 |
|
fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
358 |
< |
progname, 100*i/yres); |
358 |
> |
progname, (int)(100L*i/yres)); |
359 |
|
yres = i; |
360 |
+ |
y_r = (double)nrows/yres; |
361 |
|
break; |
362 |
|
} |
363 |
|
pass1scan(scan, i); |
372 |
|
int yread; |
373 |
|
int ycent, xcent; |
374 |
|
int r, c; |
375 |
< |
|
375 |
> |
|
376 |
|
pass2init(); |
377 |
|
scan2init(); |
378 |
|
yread = 0; |
383 |
|
if (freadscan(scanin[yread%barsize], |
384 |
|
xres, in) < 0) { |
385 |
|
fprintf(stderr, |
386 |
< |
"%s: bad read (y=%d)\n", |
386 |
> |
"%s: truncated input (y=%d)\n", |
387 |
|
progname, yres-1-yread); |
388 |
|
quit(1); |
389 |
|
} |
391 |
|
} |
392 |
|
yread++; |
393 |
|
} |
394 |
+ |
if (obarsize > 0) |
395 |
+ |
scan2sync(r); |
396 |
|
for (c = 0; c < ncols; c++) { |
397 |
|
xcent = (long)c*xres/ncols; |
398 |
< |
if (rad <= 0.0) |
399 |
< |
dobox(scanout[c], xcent, ycent, c, r); |
400 |
< |
else |
398 |
> |
if (thresh > FTINY) |
399 |
> |
dothresh(xcent, ycent, c, r); |
400 |
> |
else if (rad > FTINY) |
401 |
|
dogauss(scanout[c], xcent, ycent, c, r); |
402 |
+ |
else |
403 |
+ |
dobox(scanout[c], xcent, ycent, c, r); |
404 |
|
} |
405 |
< |
if (fwritescan(scanout, ncols, stdout) < 0) { |
405 |
> |
if (scanout != NULL && fwritescan(scanout, ncols, stdout) < 0) { |
406 |
|
fprintf(stderr, "%s: write error in pass2\n", progname); |
407 |
|
quit(1); |
408 |
|
} |
409 |
|
} |
410 |
+ |
/* skip leftover input */ |
411 |
+ |
while (yread < yres) { |
412 |
+ |
if (freadscan(scanin[0], xres, in) < 0) |
413 |
+ |
break; |
414 |
+ |
yread++; |
415 |
+ |
} |
416 |
+ |
scan2flush(); /* flush output */ |
417 |
|
} |
418 |
|
|
419 |
|
|
420 |
|
scan2init() /* prepare scanline arrays */ |
421 |
|
{ |
422 |
< |
double d; |
422 |
> |
COLOR ctmp; |
423 |
> |
double d; |
424 |
|
register int i; |
425 |
|
|
426 |
< |
if (rad <= 0.0) { |
427 |
< |
xrad = xres/ncols/2 + 1; |
428 |
< |
yrad = yres/nrows/2 + 1; |
340 |
< |
} else { |
426 |
> |
xbrad = xres/ncols/2 + 1; |
427 |
> |
ybrad = yres/nrows/2 + 1; |
428 |
> |
if (rad > FTINY) { |
429 |
|
if (nrows >= yres && ncols >= xres) |
430 |
|
rad *= (y_r + x_c)/2.0; |
431 |
|
|
432 |
< |
xrad = CHECKRAD*rad/x_c + 1; |
433 |
< |
yrad = CHECKRAD*rad/y_r + 1; |
434 |
< |
|
432 |
> |
if (thresh > FTINY) { |
433 |
> |
xrad = CHECKRAD*THRESHRAD*rad/x_c + xbrad; |
434 |
> |
yrad = CHECKRAD*THRESHRAD*rad/y_r + ybrad; |
435 |
> |
orad = CHECKRAD*THRESHRAD*rad + 1; |
436 |
> |
obarsize = 2*orad + 1; |
437 |
> |
} else { |
438 |
> |
xrad = CHECKRAD*rad/x_c + 1; |
439 |
> |
yrad = CHECKRAD*rad/y_r + 1; |
440 |
> |
} |
441 |
|
initmask(); /* initialize filter table */ |
442 |
+ |
} else { |
443 |
+ |
xrad = xbrad; |
444 |
+ |
yrad = ybrad; |
445 |
|
} |
446 |
< |
barsize = 2 * yrad; |
446 |
> |
barsize = 2*yrad + 1; |
447 |
|
scanin = (COLOR **)malloc(barsize*sizeof(COLOR *)); |
448 |
+ |
if (scanin == NULL) |
449 |
+ |
goto memerr; |
450 |
|
for (i = 0; i < barsize; i++) { |
451 |
|
scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR)); |
452 |
< |
if (scanin[i] == NULL) { |
453 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
454 |
< |
quit(1); |
452 |
> |
if (scanin[i] == NULL) |
453 |
> |
goto memerr; |
454 |
> |
} |
455 |
> |
if (obarsize > 0) { |
456 |
> |
scoutbar = (COLOR **)malloc(obarsize*sizeof(COLOR *)); |
457 |
> |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
458 |
> |
if (scoutbar == NULL | greybar == NULL) |
459 |
> |
goto memerr; |
460 |
> |
for (i = 0; i < obarsize; i++) { |
461 |
> |
scoutbar[i] = (COLOR *)malloc(ncols*sizeof(COLOR)); |
462 |
> |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
463 |
> |
if (scoutbar[i] == NULL | greybar[i] == NULL) |
464 |
> |
goto memerr; |
465 |
|
} |
466 |
+ |
} else { |
467 |
+ |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
468 |
+ |
if (scanout == NULL) |
469 |
+ |
goto memerr; |
470 |
|
} |
471 |
< |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
472 |
< |
if (scanout == NULL) { |
473 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
474 |
< |
quit(1); |
471 |
> |
/* record pixel aspect ratio */ |
472 |
> |
if (!correctaspect) { |
473 |
> |
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
474 |
> |
if (!FEQ(d,1.0)) |
475 |
> |
fputaspect(d, stdout); |
476 |
|
} |
477 |
< |
/* record pixel aspect and exposure */ |
364 |
< |
d = x_c / y_r; |
365 |
< |
if (d < .99 || d > 1.01) |
366 |
< |
fputaspect(d, stdout); |
477 |
> |
/* record exposure */ |
478 |
|
d = bright(exposure); |
479 |
< |
if (d < .995 || d > 1.005) |
479 |
> |
if (!FEQ(d,1.0)) |
480 |
|
fputexpos(d, stdout); |
481 |
+ |
/* record color correction */ |
482 |
+ |
copycolor(ctmp, exposure); |
483 |
+ |
scalecolor(ctmp, 1.0/d); |
484 |
+ |
if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) || |
485 |
+ |
!FEQ(colval(ctmp,GRN),colval(ctmp,BLU))) |
486 |
+ |
fputcolcor(ctmp, stdout); |
487 |
|
printf("\n"); |
488 |
< |
fputresolu(YMAJOR|YDECR, ncols, nrows, stdout); /* resolution */ |
488 |
> |
/* write out resolution */ |
489 |
> |
fputresolu(order, ncols, nrows, stdout); |
490 |
> |
return; |
491 |
> |
memerr: |
492 |
> |
fprintf(stderr, "%s: out of memory\n", progname); |
493 |
> |
quit(1); |
494 |
> |
} |
495 |
> |
|
496 |
> |
|
497 |
> |
scan2sync(r) /* synchronize grey averages and output scan */ |
498 |
> |
int r; |
499 |
> |
{ |
500 |
> |
static int nextrow = 0; |
501 |
> |
COLOR ctmp; |
502 |
> |
int ybot; |
503 |
> |
register int c; |
504 |
> |
/* average input scanlines */ |
505 |
> |
while (nextrow < r+orad && nextrow < nrows) { |
506 |
> |
ybot = (long)nextrow*yres/nrows; |
507 |
> |
for (c = 0; c < ncols; c++) { |
508 |
> |
dobox(ctmp, (int)((long)c*xres/ncols),ybot, c,nextrow); |
509 |
> |
greybar[nextrow%obarsize][c] = bright(ctmp); |
510 |
> |
} |
511 |
> |
/* and zero output scanline */ |
512 |
> |
bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR)); |
513 |
> |
nextrow++; |
514 |
> |
} |
515 |
> |
/* point to top scanline for output */ |
516 |
> |
if (r-orad >= 0) |
517 |
> |
scanout = scoutbar[(r-orad)%obarsize]; |
518 |
> |
else |
519 |
> |
scanout = NULL; |
520 |
> |
} |
521 |
> |
|
522 |
> |
|
523 |
> |
scan2flush() /* flush output buffer */ |
524 |
> |
{ |
525 |
> |
register int r; |
526 |
> |
|
527 |
> |
for (r = nrows-orad; r < nrows; r++) |
528 |
> |
if (fwritescan(scoutbar[r%obarsize], ncols, stdout) < 0) |
529 |
> |
break; |
530 |
> |
if (fflush(stdout) < 0) { |
531 |
> |
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
532 |
> |
exit(1); |
533 |
> |
} |
534 |
|
} |
535 |
|
|
536 |
|
|