5 |
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* Generate sections of a picture. |
6 |
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*/ |
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|
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#include <stdio.h> |
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#include <signal.h> |
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#include <sys/types.h> |
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|
13 |
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#include "platform.h" |
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#ifndef NON_POSIX /* XXX need abstraction for process management */ |
15 |
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#include <sys/wait.h> |
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#endif |
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|
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#include "standard.h" |
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#include "color.h" |
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#include "view.h" |
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#include "rtprocess.h" |
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|
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#ifndef F_SETLKW |
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|
25 |
< |
main(argc, argv) |
26 |
< |
int argc; |
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< |
char *argv[]; |
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> |
int |
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> |
main( |
27 |
> |
int argc, |
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> |
char *argv[] |
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> |
) |
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{ |
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fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
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exit(1); |
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|
35 |
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#else |
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|
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– |
#include <signal.h> |
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– |
|
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#include "color.h" |
25 |
– |
#include "view.h" |
26 |
– |
#include "rtprocess.h" |
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– |
|
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#ifndef NFS |
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#define NFS 1 |
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#endif |
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#define unguard() sigrelse(SIGALRM) |
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#endif |
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#ifndef guard_io |
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< |
#define guard_io() 0 |
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< |
#define unguard() 0 |
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> |
#define guard_io() |
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> |
#define unguard() |
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#endif |
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|
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extern char *strerror(); |
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|
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char *progname; |
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int verbose = 0; |
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+ |
int nowarn = 0; |
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unsigned timelim = 0; |
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int rvrlim = -1; |
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|
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int gotalrm = 0; |
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void onalrm(int i) { gotalrm++; } |
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|
88 |
+ |
static void dolock(int fd, int ltyp); |
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+ |
static void init(int ac, char **av); |
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+ |
static int nextpiece(int *xp, int *yp); |
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+ |
static int rvrpiece(int *xp, int *yp); |
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+ |
static int cleanup(int rstat); |
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static void rpiece(void); |
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+ |
static int putpiece(int xpos, int ypos); |
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+ |
static void filerr(char *t); |
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|
97 |
< |
main(argc, argv) |
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< |
int argc; |
99 |
< |
char *argv[]; |
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> |
|
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> |
int |
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> |
main( |
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> |
int argc, |
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> |
char *argv[] |
102 |
> |
) |
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{ |
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register int i, rval; |
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|
109 |
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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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if (rval < 0) { |
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< |
fprintf(stderr, "%s: cannot expand '%s'", |
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> |
fprintf(stderr, "%s: cannot expand '%s'\n", |
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argv[0], argv[i]); |
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exit(1); |
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} |
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if (argv[i][0] == '-') |
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switch (argv[i][1]) { |
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case 'w': |
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if (!argv[i][2]) |
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nowarn = !nowarn; |
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else if (argv[i][2] == '+') |
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nowarn = 0; |
123 |
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else if (argv[i][2] == '-') |
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nowarn = 1; |
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break; |
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case 'v': |
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switch (argv[i][2]) { |
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case '\0': /* verbose option */ |
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} |
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break; |
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case 'p': /* pixel aspect ratio? */ |
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if (argv[i][2] == 'm') { |
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fprintf(stderr, "%s: -pm unsupported\n", |
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argv[0]); |
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++i; |
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continue; |
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} |
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if (argv[i][2] != 'a' || argv[i][3]) |
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break; |
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pixaspect = atof(argv[++i]); |
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if (argv[i][2]) |
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break; |
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timelim = atof(argv[++i])*3600. + .5; |
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< |
break; |
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> |
continue; |
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case 'x': /* overall x resolution */ |
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if (argv[i][2]) |
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break; |
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break; |
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outfile = argv[++i]; |
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continue; |
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< |
} else if (i >= argc-1) |
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< |
break; |
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> |
} |
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> |
else if (i >= argc-1) |
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break; |
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rpargv[rpargc++] = argv[i]; |
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} |
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if (i >= argc) { |
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} |
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|
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|
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< |
dolock(fd, ltyp) /* lock or unlock a file */ |
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< |
int fd; |
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< |
int ltyp; |
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> |
static void |
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> |
dolock( /* lock or unlock a file */ |
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> |
int fd, |
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> |
int ltyp |
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> |
) |
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{ |
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static struct flock fls; /* static so initialized to zeroes */ |
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|
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if (fcntl(fd, F_SETLKW, &fls) < 0) { |
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fprintf(stderr, "%s: cannot lock/unlock file: %s\n", |
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progname, strerror(errno)); |
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< |
exit(1); |
238 |
> |
_exit(1); |
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} |
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} |
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|
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|
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< |
init(ac, av) /* set up output file and start rpict */ |
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< |
int ac; |
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< |
char **av; |
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> |
static void |
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> |
init( /* set up output file and start rpict */ |
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> |
int ac, |
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> |
char **av |
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> |
) |
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{ |
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static char hrbuf[16], vrbuf[16]; |
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extern char VersionID[]; |
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sflock(F_UNLCK); |
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} |
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/* compute piece size */ |
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+ |
hr = hres; vr = vres; |
267 |
+ |
if (pixaspect > FTINY) |
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normaspect(viewaspect(&ourview), &pixaspect, &hr, &vr); |
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hres /= hmult; |
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vres /= vmult; |
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+ |
if (hres <= 0 || vres <= 0) { |
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+ |
fprintf(stderr, "%s: illegal resolution/subdivision\n", progname); |
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+ |
exit(1); |
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} |
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normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres); |
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+ |
if (!nowarn && (hr != hres*hmult) | (vr != vres*vmult)) |
277 |
+ |
fprintf(stderr, |
278 |
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"%s: warning - resolution changed from %dx%d to %dx%d\n", |
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+ |
progname, hr, vr, hres*hmult, vres*vmult); |
280 |
|
sprintf(hrbuf, "%d", hres); |
281 |
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rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
282 |
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sprintf(vrbuf, "%d", vres); |
295 |
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fputs(VIEWSTR, fp); |
296 |
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fprintview(&ourview, fp); |
297 |
|
putc('\n', fp); |
298 |
+ |
fputnow(fp); |
299 |
|
if (pixaspect < .99 || pixaspect > 1.01) |
300 |
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fputaspect(pixaspect, fp); |
301 |
|
fputformat(COLRFMT, fp); |
346 |
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} |
347 |
|
|
348 |
|
|
349 |
< |
int |
350 |
< |
nextpiece(xp, yp) /* get next piece assignment */ |
351 |
< |
int *xp, *yp; |
349 |
> |
static int |
350 |
> |
nextpiece( /* get next piece assignment */ |
351 |
> |
int *xp, |
352 |
> |
int *yp |
353 |
> |
) |
354 |
|
{ |
355 |
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if (gotalrm) /* someone wants us to quit */ |
356 |
|
return(0); |
390 |
|
} |
391 |
|
|
392 |
|
|
393 |
< |
int |
394 |
< |
rvrpiece(xp, yp) /* check for recoverable pieces */ |
395 |
< |
register int *xp, *yp; |
393 |
> |
static int |
394 |
> |
rvrpiece( /* check for recoverable pieces */ |
395 |
> |
register int *xp, |
396 |
> |
register int *yp |
397 |
> |
) |
398 |
|
{ |
399 |
|
static char *pdone = NULL; /* which pieces are done */ |
400 |
|
static long readpos = -1; /* how far we've read */ |
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} |
437 |
|
|
438 |
|
|
439 |
< |
int |
440 |
< |
cleanup(rstat) /* close rpict process and clean up */ |
441 |
< |
int rstat; |
439 |
> |
static int |
440 |
> |
cleanup( /* close rpict process and clean up */ |
441 |
> |
int rstat |
442 |
> |
) |
443 |
|
{ |
444 |
|
int status; |
445 |
|
|
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
< |
rpiece() /* render picture piece by piece */ |
456 |
> |
static void |
457 |
> |
rpiece(void) /* render picture piece by piece */ |
458 |
|
{ |
459 |
|
VIEW pview; |
460 |
|
int xorg, yorg; |
462 |
|
pview = ourview; |
463 |
|
switch (ourview.type) { |
464 |
|
case VT_PER: |
465 |
< |
pview.horiz = 2.*180./PI*atan( |
466 |
< |
tan(PI/180./2.*ourview.horiz)/hmult ); |
467 |
< |
pview.vert = 2.*180./PI*atan( |
468 |
< |
tan(PI/180./2.*ourview.vert)/vmult ); |
465 |
> |
pview.horiz = (2.*180./PI)*atan( |
466 |
> |
tan((PI/180./2.)*ourview.horiz)/hmult ); |
467 |
> |
pview.vert = (2.*180./PI)*atan( |
468 |
> |
tan((PI/180./2.)*ourview.vert)/vmult ); |
469 |
|
break; |
470 |
|
case VT_PAR: |
471 |
|
case VT_ANG: |
474 |
|
break; |
475 |
|
case VT_CYL: |
476 |
|
pview.horiz = ourview.horiz / hmult; |
477 |
< |
pview.vert = 2.*180./PI*atan( |
478 |
< |
tan(PI/180./2.*ourview.vert)/vmult ); |
477 |
> |
pview.vert = (2.*180./PI)*atan( |
478 |
> |
tan((PI/180./2.)*ourview.vert)/vmult ); |
479 |
|
break; |
480 |
|
case VT_HEM: |
481 |
< |
pview.horiz = 2.*180./PI*asin( |
482 |
< |
sin(PI/180./2.*ourview.horiz)/hmult ); |
483 |
< |
pview.vert = 2.*180./PI*asin( |
484 |
< |
sin(PI/180./2.*ourview.vert)/vmult ); |
481 |
> |
pview.horiz = (2.*180./PI)*asin( |
482 |
> |
sin((PI/180./2.)*ourview.horiz)/hmult ); |
483 |
> |
pview.vert = (2.*180./PI)*asin( |
484 |
> |
sin((PI/180./2.)*ourview.vert)/vmult ); |
485 |
|
break; |
486 |
+ |
case VT_PLS: |
487 |
+ |
pview.horiz = sin((PI/180./2.)*ourview.horiz) / |
488 |
+ |
(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult; |
489 |
+ |
pview.horiz *= pview.horiz; |
490 |
+ |
pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) / |
491 |
+ |
(1. + pview.horiz)); |
492 |
+ |
pview.vert = sin((PI/180./2.)*ourview.vert) / |
493 |
+ |
(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult; |
494 |
+ |
pview.vert *= pview.vert; |
495 |
+ |
pview.vert = (2.*180./PI)*acos((1. - pview.vert) / |
496 |
+ |
(1. + pview.vert)); |
497 |
+ |
break; |
498 |
|
default: |
499 |
|
fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
500 |
|
progname, ourview.type); |
513 |
|
} |
514 |
|
|
515 |
|
|
516 |
< |
int |
517 |
< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
518 |
< |
int xpos, ypos; |
516 |
> |
static int |
517 |
> |
putpiece( /* get next piece from rpict */ |
518 |
> |
int xpos, |
519 |
> |
int ypos |
520 |
> |
) |
521 |
|
{ |
522 |
|
struct flock fls; |
523 |
|
int pid, status; |
573 |
|
/* lock file section so NFS doesn't mess up */ |
574 |
|
fls.l_whence = 0; |
575 |
|
fls.l_type = F_WRLCK; |
576 |
+ |
#if 0 |
577 |
|
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
578 |
|
filerr("lock"); |
579 |
+ |
#else |
580 |
+ |
dolock(outfd, F_WRLCK); |
581 |
|
#endif |
582 |
+ |
#endif |
583 |
|
/* write new piece to file */ |
584 |
< |
if (lseek(outfd, (off_t)fls.l_start, 0) < 0) |
584 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
585 |
|
filerr("seek"); |
586 |
|
if (hmult == 1) { |
587 |
|
if (writebuf(outfd, (char *)pbuf, |
594 |
|
filerr("write"); |
595 |
|
if (y < vr-1 && lseek(outfd, |
596 |
|
(off_t)(hmult-1)*hr*sizeof(COLR), |
597 |
< |
1) < 0) |
597 |
> |
SEEK_CUR) < 0) |
598 |
|
filerr("seek"); |
599 |
|
} |
600 |
|
#if NFS |
601 |
|
fls.l_type = F_UNLCK; /* release lock */ |
602 |
+ |
#if 0 |
603 |
|
if (fcntl(outfd, F_SETLKW, &fls) < 0) |
604 |
|
filerr("lock"); |
605 |
+ |
#else |
606 |
+ |
dolock(outfd, F_UNLCK); |
607 |
|
#endif |
608 |
+ |
#endif |
609 |
|
if (verbose) { /* notify caller */ |
610 |
|
printf("%d %d done\n", xpos, ypos); |
611 |
|
fflush(stdout); |
624 |
|
} |
625 |
|
|
626 |
|
|
627 |
< |
filerr(t) /* report file error and exit */ |
628 |
< |
char *t; |
627 |
> |
static void |
628 |
> |
filerr( /* report file error and exit */ |
629 |
> |
char *t |
630 |
> |
) |
631 |
|
{ |
632 |
|
fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
633 |
|
progname, t, outfile, strerror(errno)); |