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* Generate sections of a picture. |
6 |
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*/ |
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8 |
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|
9 |
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#include <stdio.h> |
10 |
+ |
#include <signal.h> |
11 |
+ |
#include <sys/types.h> |
12 |
+ |
|
13 |
+ |
#include "platform.h" |
14 |
+ |
#ifndef NON_POSIX /* XXX need abstraction for process management */ |
15 |
+ |
#include <sys/wait.h> |
16 |
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#endif |
17 |
+ |
|
18 |
|
#include "standard.h" |
19 |
+ |
#include "color.h" |
20 |
+ |
#include "view.h" |
21 |
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#include "rtprocess.h" |
22 |
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|
23 |
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#ifndef F_SETLKW |
24 |
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|
25 |
< |
main(argc, argv) |
26 |
< |
int argc; |
27 |
< |
char *argv[]; |
25 |
> |
int |
26 |
> |
main( |
27 |
> |
int argc, |
28 |
> |
char *argv[] |
29 |
> |
) |
30 |
|
{ |
31 |
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fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
32 |
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exit(1); |
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|
35 |
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#else |
36 |
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|
22 |
– |
#include <signal.h> |
23 |
– |
#include "color.h" |
24 |
– |
#include "view.h" |
25 |
– |
|
37 |
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#ifndef NFS |
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#define NFS 1 |
39 |
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#endif |
51 |
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#define unguard() sigrelse(SIGALRM) |
52 |
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#endif |
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#ifndef guard_io |
54 |
< |
#define guard_io() 0 |
55 |
< |
#define unguard() 0 |
54 |
> |
#define guard_io() |
55 |
> |
#define unguard() |
56 |
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#endif |
57 |
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|
58 |
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extern char *strerror(); |
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/* rpict command */ |
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char *rpargv[128] = {"rpict", "-S", "1"}; |
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int rpargc = 3; |
52 |
– |
int rpd[3]; |
63 |
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FILE *torp, *fromrp; |
64 |
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COLR *pbuf; |
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/* our view parameters */ |
82 |
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int rvrlim = -1; |
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|
84 |
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int gotalrm = 0; |
85 |
< |
int onalrm() { gotalrm++; } |
85 |
> |
void onalrm(int i) { gotalrm++; } |
86 |
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|
87 |
+ |
static void dolock(int fd, int ltyp); |
88 |
+ |
static void init(int ac, char **av); |
89 |
+ |
static int nextpiece(int *xp, int *yp); |
90 |
+ |
static int rvrpiece(int *xp, int *yp); |
91 |
+ |
static int cleanup(int rstat); |
92 |
+ |
static void rpiece(void); |
93 |
+ |
static int putpiece(int xpos, int ypos); |
94 |
+ |
static void filerr(char *t); |
95 |
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|
96 |
< |
main(argc, argv) |
97 |
< |
int argc; |
98 |
< |
char *argv[]; |
96 |
> |
|
97 |
> |
int |
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> |
main( |
99 |
> |
int argc, |
100 |
> |
char *argv[] |
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> |
) |
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{ |
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register int i, rval; |
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|
108 |
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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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} |
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break; |
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case 'p': /* pixel aspect ratio? */ |
139 |
+ |
if (argv[i][2] == 'm') { |
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fprintf(stderr, "%s: -pm unsupported\n", |
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argv[0]); |
142 |
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++i; |
143 |
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continue; |
144 |
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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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} |
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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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} |
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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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char *err; |
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FILE *fp; |
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int hr, vr; |
244 |
+ |
SUBPROC rpd; /* since we don't close_process(), this can be local */ |
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/* set up view */ |
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if ((err = setview(&ourview)) != NULL) { |
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fprintf(stderr, "%s: %s\n", progname, err); |
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/* compute piece size */ |
256 |
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hres /= hmult; |
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vres /= vmult; |
258 |
+ |
if (hres <= 0 || vres <= 0) { |
259 |
+ |
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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sprintf(hrbuf, "%d", hres); |
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rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
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goto filerr; |
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dolock(outfd, F_UNLCK); |
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/* start rpict process */ |
307 |
< |
if (open_process(rpd, rpargv) <= 0) { |
307 |
> |
if (open_process(&rpd, rpargv) <= 0) { |
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fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]); |
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exit(1); |
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} |
311 |
< |
if ((fromrp = fdopen(rpd[0], "r")) == NULL || |
312 |
< |
(torp = fdopen(rpd[1], "w")) == NULL) { |
311 |
> |
if ((fromrp = fdopen(rpd.r, "r")) == NULL || |
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> |
(torp = fdopen(rpd.w, "w")) == NULL) { |
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fprintf(stderr, "%s: cannot open stream to %s\n", |
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progname, rpargv[0]); |
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exit(1); |
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} |
329 |
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|
330 |
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|
331 |
< |
int |
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< |
nextpiece(xp, yp) /* get next piece assignment */ |
333 |
< |
int *xp, *yp; |
331 |
> |
static int |
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> |
nextpiece( /* get next piece assignment */ |
333 |
> |
int *xp, |
334 |
> |
int *yp |
335 |
> |
) |
336 |
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{ |
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if (gotalrm) /* someone wants us to quit */ |
338 |
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return(0); |
372 |
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} |
373 |
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|
374 |
|
|
375 |
< |
int |
376 |
< |
rvrpiece(xp, yp) /* check for recoverable pieces */ |
377 |
< |
register int *xp, *yp; |
375 |
> |
static int |
376 |
> |
rvrpiece( /* check for recoverable pieces */ |
377 |
> |
register int *xp, |
378 |
> |
register int *yp |
379 |
> |
) |
380 |
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{ |
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static char *pdone = NULL; /* which pieces are done */ |
382 |
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static long readpos = -1; /* how far we've read */ |
418 |
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} |
419 |
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|
420 |
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|
421 |
< |
int |
422 |
< |
cleanup(rstat) /* close rpict process and clean up */ |
423 |
< |
int rstat; |
421 |
> |
static int |
422 |
> |
cleanup( /* close rpict process and clean up */ |
423 |
> |
int rstat |
424 |
> |
) |
425 |
|
{ |
426 |
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int status; |
427 |
|
|
435 |
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} |
436 |
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|
437 |
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|
438 |
< |
rpiece() /* render picture piece by piece */ |
438 |
> |
static void |
439 |
> |
rpiece(void) /* render picture piece by piece */ |
440 |
|
{ |
441 |
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VIEW pview; |
442 |
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int xorg, yorg; |
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/* compute view parameters */ |
444 |
< |
copystruct(&pview, &ourview); |
444 |
> |
pview = ourview; |
445 |
|
switch (ourview.type) { |
446 |
|
case VT_PER: |
447 |
< |
pview.horiz = 2.*180./PI*atan( |
448 |
< |
tan(PI/180./2.*ourview.horiz)/hmult ); |
449 |
< |
pview.vert = 2.*180./PI*atan( |
450 |
< |
tan(PI/180./2.*ourview.vert)/vmult ); |
447 |
> |
pview.horiz = (2.*180./PI)*atan( |
448 |
> |
tan((PI/180./2.)*ourview.horiz)/hmult ); |
449 |
> |
pview.vert = (2.*180./PI)*atan( |
450 |
> |
tan((PI/180./2.)*ourview.vert)/vmult ); |
451 |
|
break; |
452 |
|
case VT_PAR: |
453 |
|
case VT_ANG: |
456 |
|
break; |
457 |
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case VT_CYL: |
458 |
|
pview.horiz = ourview.horiz / hmult; |
459 |
< |
pview.vert = 2.*180./PI*atan( |
460 |
< |
tan(PI/180./2.*ourview.vert)/vmult ); |
459 |
> |
pview.vert = (2.*180./PI)*atan( |
460 |
> |
tan((PI/180./2.)*ourview.vert)/vmult ); |
461 |
|
break; |
462 |
|
case VT_HEM: |
463 |
< |
pview.horiz = 2.*180./PI*asin( |
464 |
< |
sin(PI/180./2.*ourview.horiz)/hmult ); |
465 |
< |
pview.vert = 2.*180./PI*asin( |
466 |
< |
sin(PI/180./2.*ourview.vert)/vmult ); |
463 |
> |
pview.horiz = (2.*180./PI)*asin( |
464 |
> |
sin((PI/180./2.)*ourview.horiz)/hmult ); |
465 |
> |
pview.vert = (2.*180./PI)*asin( |
466 |
> |
sin((PI/180./2.)*ourview.vert)/vmult ); |
467 |
|
break; |
468 |
+ |
case VT_PLS: |
469 |
+ |
pview.horiz = sin((PI/180./2.)*ourview.horiz) / |
470 |
+ |
(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult; |
471 |
+ |
pview.horiz *= pview.horiz; |
472 |
+ |
pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) / |
473 |
+ |
(1. + pview.horiz)); |
474 |
+ |
pview.vert = sin((PI/180./2.)*ourview.vert) / |
475 |
+ |
(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult; |
476 |
+ |
pview.vert *= pview.vert; |
477 |
+ |
pview.vert = (2.*180./PI)*acos((1. - pview.vert) / |
478 |
+ |
(1. + pview.vert)); |
479 |
+ |
break; |
480 |
|
default: |
481 |
|
fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
482 |
|
progname, ourview.type); |
495 |
|
} |
496 |
|
|
497 |
|
|
498 |
< |
int |
499 |
< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
500 |
< |
int xpos, ypos; |
498 |
> |
static int |
499 |
> |
putpiece( /* get next piece from rpict */ |
500 |
> |
int xpos, |
501 |
> |
int ypos |
502 |
> |
) |
503 |
|
{ |
504 |
|
struct flock fls; |
505 |
|
int pid, status; |
506 |
|
int hr, vr; |
507 |
|
register int y; |
508 |
|
/* check bounds */ |
509 |
< |
if (xpos < 0 | ypos < 0 | xpos >= hmult | ypos >= vmult) { |
509 |
> |
if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) { |
510 |
|
fprintf(stderr, "%s: requested piece (%d,%d) out of range\n", |
511 |
|
progname, xpos, ypos); |
512 |
|
exit(cleanup(1)); |
514 |
|
/* check header from rpict */ |
515 |
|
guard_io(); |
516 |
|
getheader(fromrp, NULL, NULL); |
517 |
< |
if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
517 |
> |
if (!fscnresolu(&hr, &vr, fromrp) || (hr != hres) | (vr != vres)) { |
518 |
|
fprintf(stderr, "%s: resolution mismatch from %s\n", |
519 |
|
progname, rpargv[0]); |
520 |
|
exit(cleanup(1)); |
559 |
|
filerr("lock"); |
560 |
|
#endif |
561 |
|
/* write new piece to file */ |
562 |
< |
if (lseek(outfd, (off_t)fls.l_start, 0) < 0) |
562 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
563 |
|
filerr("seek"); |
564 |
|
if (hmult == 1) { |
565 |
|
if (writebuf(outfd, (char *)pbuf, |
572 |
|
filerr("write"); |
573 |
|
if (y < vr-1 && lseek(outfd, |
574 |
|
(off_t)(hmult-1)*hr*sizeof(COLR), |
575 |
< |
1) < 0) |
575 |
> |
SEEK_CUR) < 0) |
576 |
|
filerr("seek"); |
577 |
|
} |
578 |
|
#if NFS |
598 |
|
} |
599 |
|
|
600 |
|
|
601 |
< |
filerr(t) /* report file error and exit */ |
602 |
< |
char *t; |
601 |
> |
static void |
602 |
> |
filerr( /* report file error and exit */ |
603 |
> |
char *t |
604 |
> |
) |
605 |
|
{ |
606 |
|
fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
607 |
|
progname, t, outfile, strerror(errno)); |