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/* Copyright (c) 1991 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
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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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* |
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* 9/26/85 |
11 |
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* 6/23/93 Added additional buffers for value spreading |
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*/ |
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#include <stdio.h> |
14 |
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#include "standard.h" |
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|
16 |
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#include <signal.h> |
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|
21 |
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|
22 |
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#include "paths.h" |
23 |
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|
23 |
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extern char *malloc(); |
24 |
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extern float *matchlamp(); |
25 |
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|
26 |
< |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
26 |
> |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
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|
28 |
< |
#define CHECKRAD 1.5 /* radius to check for filtering */ |
28 |
> |
double CHECKRAD = 1.5; /* radius to check for filtering */ |
29 |
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|
30 |
+ |
#define THRESHRAD 5.0 /* maximum sample spread in output */ |
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|
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COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
33 |
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|
34 |
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double rad = 0.0; /* output pixel radius for filtering */ |
34 |
> |
double rad = 0.0; /* output pixel radius for filtering */ |
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|
36 |
+ |
double thresh = 0.0; /* maximum contribution for subpixel */ |
37 |
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|
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int nrows = 0; /* number of rows for output */ |
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int ncols = 0; /* number of columns for output */ |
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|
41 |
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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 */ |
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|
44 |
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int singlepass = 0; /* true means skip first pass */ |
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|
46 |
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int avghot = 0; /* true means average in bright spots */ |
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|
48 |
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double hotlvl = 1000.0; /* level considered "hot" */ |
48 |
> |
double hotlvl = 100.0; /* level considered "hot" */ |
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|
50 |
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int npts = 0; /* (half) number of points for stars */ |
51 |
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52 |
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double spread = 1e-4; /* spread for star points */ |
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double spread = 1e-4; /* spread for star points */ |
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|
54 |
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char *tfname = NULL; |
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|
56 |
+ |
char template[] = TEMPLATE; |
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|
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char *lampdat = "lamp.tab"; /* lamp data file */ |
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|
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int order; /* scanline ordering of input */ |
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int xres, yres; /* resolution of input */ |
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double inpaspect = 1.0; /* pixel aspect ratio of input */ |
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double inpaspect = 1.0; /* pixel aspect ratio of input */ |
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int correctaspect = 0; /* aspect ratio correction? */ |
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|
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int wrongformat = 0; |
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|
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int xrad; /* x window size */ |
68 |
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int yrad; /* y window size */ |
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int xrad; /* x search radius */ |
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int yrad; /* y search radius */ |
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int xbrad; /* x box size */ |
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int ybrad; /* y box size */ |
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|
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int barsize; /* size of input scan bar */ |
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COLOR **scanin; /* input scan bar */ |
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COLOR *scanout; /* output scan line */ |
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+ |
COLOR **scoutbar; /* output scan bar (if thresh > 0) */ |
76 |
+ |
float **greybar; /* grey-averaged input values */ |
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int obarsize = 0; /* size of output scan bar */ |
78 |
+ |
int orad = 0; /* output window radius */ |
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|
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char *progname; |
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|
84 |
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int argc; |
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char **argv; |
86 |
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{ |
75 |
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extern double pow(); |
87 |
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extern long ftell(); |
88 |
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extern int quit(), headline(); |
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FILE *fin; |
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float *lampcolor; |
91 |
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char *lamptype = NULL; |
92 |
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long fpos; |
93 |
< |
double outaspect = 0.0; |
94 |
< |
double d; |
93 |
> |
double outaspect = 0.0; |
94 |
> |
double d; |
95 |
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int i, j; |
96 |
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|
96 |
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#ifdef MSDOS |
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extern int _fmode; |
98 |
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_fmode = O_BINARY; |
99 |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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if (signal(SIGINT, quit) == SIG_IGN) |
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signal(SIGINT, SIG_IGN); |
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if (signal(SIGHUP, quit) == SIG_IGN) |
105 |
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signal(SIGINT, SIG_IGN); |
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signal(SIGHUP, SIG_IGN); |
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signal(SIGTERM, quit); |
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signal(SIGPIPE, quit); |
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#ifdef SIGXCPU |
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#ifdef SIGXCPU |
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signal(SIGXCPU, quit); |
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signal(SIGXFSZ, quit); |
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#endif |
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|
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progname = argv[0]; |
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progname = argv[0] = fixargv0(argv[0]); |
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|
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
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case 'r': |
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rad = atof(argv[++i]); |
196 |
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break; |
197 |
+ |
case 'm': |
198 |
+ |
thresh = atof(argv[++i]); |
199 |
+ |
if (rad <= FTINY) |
200 |
+ |
rad = 1.0; |
201 |
+ |
break; |
202 |
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case 'b': |
203 |
< |
rad = 0.0; |
203 |
> |
rad = thresh = 0.0; |
204 |
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break; |
205 |
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default:; |
206 |
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badopt: |
219 |
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fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
220 |
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quit(1); |
221 |
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} |
222 |
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for (i = 0; i < 3; i++) |
223 |
< |
if (lampcolor[i] > 1e-4) |
224 |
< |
colval(exposure,i) /= lampcolor[i]; |
222 |
> |
for (j = 0; j < 3; j++) |
223 |
> |
if (lampcolor[j] > 1e-4) |
224 |
> |
colval(exposure,j) /= lampcolor[j]; |
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freelamps(); |
226 |
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} |
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/* open input file */ |
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if (singlepass) |
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fin = stdin; |
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else { |
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< |
tfname = mktemp(TEMPLATE); |
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> |
tfname = mktemp(template); |
233 |
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if ((fin = fopen(tfname, "w+")) == NULL) { |
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fprintf(stderr, "%s: can't create ", progname); |
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fprintf(stderr, "temp file \"%s\"\n", tfname); |
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} |
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|
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|
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double |
306 |
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rgb_bright(clr) |
307 |
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COLOR clr; |
308 |
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{ |
309 |
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return(bright(clr)); |
310 |
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} |
311 |
+ |
|
312 |
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|
313 |
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double |
314 |
+ |
xyz_bright(clr) |
315 |
+ |
COLOR clr; |
316 |
+ |
{ |
317 |
+ |
return(clr[CIEY]); |
318 |
+ |
} |
319 |
+ |
|
320 |
+ |
|
321 |
+ |
double (*ourbright)() = rgb_bright; |
322 |
+ |
|
323 |
+ |
|
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headline(s) /* process line from header */ |
325 |
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char *s; |
326 |
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{ |
329 |
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fputs(s, stdout); /* copy to output */ |
330 |
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if (isaspect(s)) /* get aspect ratio */ |
331 |
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inpaspect *= aspectval(s); |
332 |
< |
else if (isformat(s)) { |
333 |
< |
formatval(fmt, s); |
334 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
332 |
> |
else if (isexpos(s)) /* get exposure */ |
333 |
> |
hotlvl *= exposval(s); |
334 |
> |
else if (formatval(fmt, s)) { /* get format */ |
335 |
> |
wrongformat = 0; |
336 |
> |
if (!strcmp(COLRFMT, fmt)) |
337 |
> |
ourbright = rgb_bright; |
338 |
> |
else if (!strcmp(CIEFMT, fmt)) |
339 |
> |
ourbright = xyz_bright; |
340 |
> |
else |
341 |
> |
wrongformat = !globmatch(PICFMT, fmt); |
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} |
343 |
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} |
344 |
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|
373 |
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} |
374 |
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for (i = 0; i < yres; i++) { |
375 |
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if (freadscan(scan, xres, in) < 0) { |
376 |
< |
nrows = nrows * i / yres; /* adjust frame */ |
376 |
> |
nrows = (long)nrows * i / yres; /* adjust frame */ |
377 |
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if (nrows <= 0) { |
378 |
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fprintf(stderr, "%s: empty frame\n", progname); |
379 |
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quit(1); |
380 |
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} |
381 |
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fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
382 |
< |
progname, 100*i/yres); |
382 |
> |
progname, (int)(100L*i/yres)); |
383 |
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yres = i; |
384 |
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y_r = (double)nrows/yres; |
385 |
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break; |
396 |
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int yread; |
397 |
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int ycent, xcent; |
398 |
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int r, c; |
399 |
< |
|
399 |
> |
|
400 |
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pass2init(); |
401 |
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scan2init(); |
402 |
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yread = 0; |
407 |
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if (freadscan(scanin[yread%barsize], |
408 |
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xres, in) < 0) { |
409 |
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fprintf(stderr, |
410 |
< |
"%s: bad read (y=%d)\n", |
410 |
> |
"%s: truncated input (y=%d)\n", |
411 |
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progname, yres-1-yread); |
412 |
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quit(1); |
413 |
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} |
415 |
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} |
416 |
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yread++; |
417 |
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} |
418 |
+ |
if (obarsize > 0) |
419 |
+ |
scan2sync(r); |
420 |
|
for (c = 0; c < ncols; c++) { |
421 |
|
xcent = (long)c*xres/ncols; |
422 |
< |
if (rad <= 0.0) |
423 |
< |
dobox(scanout[c], xcent, ycent, c, r); |
424 |
< |
else |
422 |
> |
if (thresh > FTINY) |
423 |
> |
dothresh(xcent, ycent, c, r); |
424 |
> |
else if (rad > FTINY) |
425 |
|
dogauss(scanout[c], xcent, ycent, c, r); |
426 |
+ |
else |
427 |
+ |
dobox(scanout[c], xcent, ycent, c, r); |
428 |
|
} |
429 |
< |
if (fwritescan(scanout, ncols, stdout) < 0) { |
429 |
> |
if (scanout != NULL && fwritescan(scanout, ncols, stdout) < 0) { |
430 |
|
fprintf(stderr, "%s: write error in pass2\n", progname); |
431 |
|
quit(1); |
432 |
|
} |
433 |
|
} |
434 |
< |
/* skip leftovers */ |
434 |
> |
/* skip leftover input */ |
435 |
|
while (yread < yres) { |
436 |
|
if (freadscan(scanin[0], xres, in) < 0) |
437 |
|
break; |
438 |
|
yread++; |
439 |
|
} |
440 |
+ |
scan2flush(); /* flush output */ |
441 |
|
} |
442 |
|
|
443 |
|
|
444 |
|
scan2init() /* prepare scanline arrays */ |
445 |
|
{ |
446 |
|
COLOR ctmp; |
447 |
< |
double d; |
447 |
> |
double d; |
448 |
|
register int i; |
449 |
|
|
450 |
< |
if (rad <= 0.0) { |
451 |
< |
xrad = xres/ncols/2 + 1; |
452 |
< |
yrad = yres/nrows/2 + 1; |
401 |
< |
} else { |
450 |
> |
xbrad = xres/ncols/2 + 1; |
451 |
> |
ybrad = yres/nrows/2 + 1; |
452 |
> |
if (rad > FTINY) { |
453 |
|
if (nrows >= yres && ncols >= xres) |
454 |
|
rad *= (y_r + x_c)/2.0; |
455 |
|
|
456 |
< |
xrad = CHECKRAD*rad/x_c + 1; |
457 |
< |
yrad = CHECKRAD*rad/y_r + 1; |
458 |
< |
|
456 |
> |
if (thresh > FTINY) { |
457 |
> |
xrad = CHECKRAD*THRESHRAD*rad/x_c + xbrad; |
458 |
> |
yrad = CHECKRAD*THRESHRAD*rad/y_r + ybrad; |
459 |
> |
orad = CHECKRAD*THRESHRAD*rad + 1; |
460 |
> |
obarsize = 2*orad + 1; |
461 |
> |
} else { |
462 |
> |
xrad = CHECKRAD*rad/x_c + 1; |
463 |
> |
yrad = CHECKRAD*rad/y_r + 1; |
464 |
> |
} |
465 |
|
initmask(); /* initialize filter table */ |
466 |
+ |
} else { |
467 |
+ |
xrad = xbrad; |
468 |
+ |
yrad = ybrad; |
469 |
|
} |
470 |
|
barsize = 2*yrad + 1; |
471 |
|
scanin = (COLOR **)malloc(barsize*sizeof(COLOR *)); |
472 |
+ |
if (scanin == NULL) |
473 |
+ |
goto memerr; |
474 |
|
for (i = 0; i < barsize; i++) { |
475 |
|
scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR)); |
476 |
< |
if (scanin[i] == NULL) { |
477 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
478 |
< |
quit(1); |
476 |
> |
if (scanin[i] == NULL) |
477 |
> |
goto memerr; |
478 |
> |
} |
479 |
> |
if (obarsize > 0) { |
480 |
> |
scoutbar = (COLOR **)malloc(obarsize*sizeof(COLOR *)); |
481 |
> |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
482 |
> |
if (scoutbar == NULL | greybar == NULL) |
483 |
> |
goto memerr; |
484 |
> |
for (i = 0; i < obarsize; i++) { |
485 |
> |
scoutbar[i] = (COLOR *)malloc(ncols*sizeof(COLOR)); |
486 |
> |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
487 |
> |
if (scoutbar[i] == NULL | greybar[i] == NULL) |
488 |
> |
goto memerr; |
489 |
|
} |
490 |
+ |
} else { |
491 |
+ |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
492 |
+ |
if (scanout == NULL) |
493 |
+ |
goto memerr; |
494 |
|
} |
419 |
– |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
420 |
– |
if (scanout == NULL) { |
421 |
– |
fprintf(stderr, "%s: out of memory\n", progname); |
422 |
– |
quit(1); |
423 |
– |
} |
495 |
|
/* record pixel aspect ratio */ |
496 |
|
if (!correctaspect) { |
497 |
|
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
499 |
|
fputaspect(d, stdout); |
500 |
|
} |
501 |
|
/* record exposure */ |
502 |
< |
d = bright(exposure); |
502 |
> |
d = (*ourbright)(exposure); |
503 |
|
if (!FEQ(d,1.0)) |
504 |
|
fputexpos(d, stdout); |
505 |
|
/* record color correction */ |
511 |
|
printf("\n"); |
512 |
|
/* write out resolution */ |
513 |
|
fputresolu(order, ncols, nrows, stdout); |
514 |
+ |
return; |
515 |
+ |
memerr: |
516 |
+ |
fprintf(stderr, "%s: out of memory\n", progname); |
517 |
+ |
quit(1); |
518 |
+ |
} |
519 |
+ |
|
520 |
+ |
|
521 |
+ |
scan2sync(r) /* synchronize grey averages and output scan */ |
522 |
+ |
int r; |
523 |
+ |
{ |
524 |
+ |
static int nextrow = 0; |
525 |
+ |
COLOR ctmp; |
526 |
+ |
int ybot; |
527 |
+ |
register int c; |
528 |
+ |
/* average input scanlines */ |
529 |
+ |
while (nextrow < r+orad && nextrow < nrows) { |
530 |
+ |
ybot = (long)nextrow*yres/nrows; |
531 |
+ |
for (c = 0; c < ncols; c++) { |
532 |
+ |
dobox(ctmp, (int)((long)c*xres/ncols),ybot, c,nextrow); |
533 |
+ |
greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
534 |
+ |
} |
535 |
+ |
/* and zero output scanline */ |
536 |
+ |
bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR)); |
537 |
+ |
nextrow++; |
538 |
+ |
} |
539 |
+ |
/* point to top scanline for output */ |
540 |
+ |
if (r-orad >= 0) |
541 |
+ |
scanout = scoutbar[(r-orad)%obarsize]; |
542 |
+ |
else |
543 |
+ |
scanout = NULL; |
544 |
+ |
} |
545 |
+ |
|
546 |
+ |
|
547 |
+ |
scan2flush() /* flush output buffer */ |
548 |
+ |
{ |
549 |
+ |
register int r; |
550 |
+ |
|
551 |
+ |
for (r = nrows-orad; r < nrows; r++) |
552 |
+ |
if (fwritescan(scoutbar[r%obarsize], ncols, stdout) < 0) |
553 |
+ |
break; |
554 |
+ |
if (fflush(stdout) < 0) { |
555 |
+ |
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
556 |
+ |
exit(1); |
557 |
+ |
} |
558 |
|
} |
559 |
|
|
560 |
|
|