ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/Development/ray/src/util/rpiece.c

Comparing ray/src/util/rpiece.c (file contents):
Revision 2.31 by greg, Thu Nov 30 09:26:20 1995 UTC vs.
Revision 2.41 by schorsch, Sun Jul 27 22:12:04 2003 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1995 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char       RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		* Generate sections of a picture.
6		*/
#	Line 23 | Line 20 | char *argv[];
20		#else
21
22		#include <signal.h>
23	+
24		#include "color.h"
25		#include "view.h"
26	<	#include "resolu.h"
26	>	#include "rtprocess.h"
27
28		#ifndef NFS
29		#define  NFS                    1
#	Line 47 | Line 45 | char *argv[];
45		#define guard_io()      0
46		#define unguard()       0
47		#endif
48	+
49	+	extern char  *strerror();
50	+
51		/* rpict command */
52		char  *rpargv[128] = {"rpict", "-S", "1"};
53		int  rpargc = 3;
53	–	int  rpd[3];
54		FILE  *torp, *fromrp;
55		COLR  *pbuf;
56		/* our view parameters */
#	Line 72 | Line 72 | int  verbose = 0;
72		unsigned  timelim = 0;
73		int  rvrlim = -1;
74
75	–	extern long  lseek(), ftell();
76	–
75		int  gotalrm = 0;
76	<	int  onalrm() { gotalrm++; }
76	>	void  onalrm(int i) { gotalrm++; }
77
78
79		main(argc, argv)
#	Line 87 | Line 85 | char  *argv[];
85		progname = argv[0];
86		for (i = 1; i < argc; i++) {
87		/* expand arguments */
88	<	while (rval = expandarg(&argc, &argv, i))
89	<	if (rval < 0) {
90	<	fprintf(stderr, "%s: cannot expand '%s'",
91	<	argv[0], argv[i]);
92	<	exit(1);
93	<	}
88	>	while ((rval = expandarg(&argc, &argv, i)) > 0)
89	>	;
90	>	if (rval < 0) {
91	>	fprintf(stderr, "%s: cannot expand '%s'",
92	>	argv[0], argv[i]);
93	>	exit(1);
94	>	}
95		if (argv[i][0] == '-')
96		switch (argv[i][1]) {
97		case 'v':
#	Line 119 | Line 118 | char  *argv[];
118		case 'p':               /* pixel aspect ratio? */
119		if (argv[i][2] != 'a' || argv[i][3])
120		break;
121	<	pixaspect = atof(argv[i+1]);
121	>	pixaspect = atof(argv[++i]);
122		continue;
123		case 'T':               /* time limit (hours) */
124		if (argv[i][2])
#	Line 193 | Line 192 | int  fd;
192		int  ltyp;
193		{
194		static struct flock  fls;       /* static so initialized to zeroes */
196	–	extern char  *sys_errlist[];
195
196		fls.l_type = ltyp;
197		if (fcntl(fd, F_SETLKW, &fls) < 0) {
198		fprintf(stderr, "%s: cannot lock/unlock file: %s\n",
199	<	progname, sys_errlist[errno]);
199	>	progname, strerror(errno));
200		exit(1);
201		}
202		}
#	Line 213 | Line 211 | char  **av;
211		char  *err;
212		FILE  *fp;
213		int  hr, vr;
214	+	SUBPROC  rpd; /* since we don't close_process(), this can be local */
215		/* set up view */
216		if ((err = setview(&ourview)) != NULL) {
217		fprintf(stderr, "%s: %s\n", progname, err);
#	Line 271 | Line 270 | char  **av;
270		goto filerr;
271		dolock(outfd, F_UNLCK);
272		/* start rpict process */
273	<	if (open_process(rpd, rpargv) <= 0) {
273	>	if (open_process(&rpd, rpargv) <= 0) {
274		fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]);
275		exit(1);
276		}
277	<	if ((fromrp = fdopen(rpd[0], "r")) == NULL ||
278	<	(torp = fdopen(rpd[1], "w")) == NULL) {
277	>	if ((fromrp = fdopen(rpd.r, "r")) == NULL ||
278	>	(torp = fdopen(rpd.w, "w")) == NULL) {
279		fprintf(stderr, "%s: cannot open stream to %s\n",
280		progname, rpargv[0]);
281		exit(1);
#	Line 402 | Line 401 | rpiece()                       /* render picture piece by piece */
401		VIEW  pview;
402		int  xorg, yorg;
403		/* compute view parameters */
404	<	copystruct(&pview, &ourview);
404	>	pview = ourview;
405		switch (ourview.type) {
406		case VT_PER:
407		pview.horiz = 2.*180./PI*atan(
#	Line 415 | Line 414 | rpiece()                       /* render picture piece by piece */
414		pview.horiz = ourview.horiz / hmult;
415		pview.vert = ourview.vert / vmult;
416		break;
417	+	case VT_CYL:
418	+	pview.horiz = ourview.horiz / hmult;
419	+	pview.vert = 2.*180./PI*atan(
420	+	tan(PI/180./2.*ourview.vert)/vmult );
421	+	break;
422		case VT_HEM:
423		pview.horiz = 2.*180./PI*asin(
424		sin(PI/180./2.*ourview.horiz)/hmult );
#	Line 428 | Line 432 | rpiece()                       /* render picture piece by piece */
432		}
433		/* render each piece */
434		while (nextpiece(&xorg, &yorg)) {
435	<	pview.hoff = ourview.hoff + xorg - 0.5*(hmult-1);
436	<	pview.voff = ourview.voff + yorg - 0.5*(vmult-1);
435	>	pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1);
436	>	pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1);
437		fputs(VIEWSTR, torp);
438		fprintview(&pview, torp);
439		putc('\n', torp);
#	Line 448 | Line 452 | int  xpos, ypos;
452		int  hr, vr;
453		register int  y;
454		/* check bounds */
455	<	if (xpos < 0 | ypos < 0 | xpos >= hmult | ypos >= vmult) {
455	>	if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) {
456		fprintf(stderr, "%s: requested piece (%d,%d) out of range\n",
457		progname, xpos, ypos);
458		exit(cleanup(1));
#	Line 456 | Line 460 | int  xpos, ypos;
460		/* check header from rpict */
461		guard_io();
462		getheader(fromrp, NULL, NULL);
463	<	if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) {
463	>	if (!fscnresolu(&hr, &vr, fromrp) || (hr != hres) | (vr != vres)) {
464		fprintf(stderr, "%s: resolution mismatch from %s\n",
465		progname, rpargv[0]);
466		exit(cleanup(1));
#	Line 501 | Line 505 | int  xpos, ypos;
505		filerr("lock");
506		#endif
507		/* write new piece to file */
508	<	if (lseek(outfd, fls.l_start, 0) == -1)
508	>	if (lseek(outfd, (off_t)fls.l_start, 0) < 0)
509		filerr("seek");
510		if (hmult == 1) {
511		if (writebuf(outfd, (char *)pbuf,
#	Line 513 | Line 517 | int  xpos, ypos;
517		hr*sizeof(COLR)) != hr*sizeof(COLR))
518		filerr("write");
519		if (y < vr-1 && lseek(outfd,
520	<	(long)(hmult-1)*hr*sizeof(COLR),
521	<	1) == -1)
520	>	(off_t)(hmult-1)*hr*sizeof(COLR),
521	>	1) < 0)
522		filerr("seek");
523		}
524		#if NFS
#	Line 522 | Line 526 | int  xpos, ypos;
526		if (fcntl(outfd, F_SETLKW, &fls) < 0)
527		filerr("lock");
528		#endif
529	+	if (verbose) {                          /* notify caller */
530	+	printf("%d %d done\n", xpos, ypos);
531	+	fflush(stdout);
532	+	}
533		if (syncfp != NULL) {                   /* record what's been done */
534		sflock(F_WRLCK);
535		fseek(syncfp, 0L, 2);           /* append index */
#	Line 530 | Line 538 | int  xpos, ypos;
538		/*** Unlock not necessary, since
539		sflock(F_UNLCK);        _exit() or nextpiece() is next ***/
540		}
533	–	if (verbose) {                          /* notify caller */
534	–	printf("%d %d done\n", xpos, ypos);
535	–	fflush(stdout);
536	–	}
541		if (pid == -1)          /* didn't fork or fork failed */
542		return(0);
543		_exit(0);               /* else exit child process (releasing locks) */
#	Line 543 | Line 547 | int  xpos, ypos;
547		filerr(t)                       /* report file error and exit */
548		char  *t;
549		{
546	–	extern char  *sys_errlist[];
547	–
550		fprintf(stderr, "%s: %s error on file \"%s\": %s\n",
551	<	progname, t, outfile, sys_errlist[errno]);
551	>	progname, t, outfile, strerror(errno));
552		_exit(1);
553		}
554

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines (old)
>	Changed lines (new)