src/ot/getbbox.c

#ifndef lint
static const char       RCSid[] = "$Id: getbbox.c,v 2.5 2003/02/22 02:07:26 greg Exp $";
#endif
/*
 *  getbbox.c - compute bounding box for scene files
 *
 *  Adapted from oconv.c 29 May 1991
 */

#include  "standard.h"
#include  "octree.h"
#include  "object.h"
#include  "oconv.h"

char  *progname;                        /* argv[0] */

int  nowarn = 0;                        /* supress warnings? */

void  (*addobjnotify[])() = {NULL};     /* new object notifier functions */

FVECT  bbmin, bbmax;                    /* bounding box */

static void addobject(OBJREC    *o);


static void
addobject(                      /* add object to bounding box */
        OBJREC  *o
)
{
        add2bbox(o, bbmin, bbmax);
}


int
main(           /* read object files and compute bounds */
        int  argc,
        char  **argv
)
{
        extern char  *getenv();
        int  nohead = 0;
        int  i;

        progname = argv[0];

        for (i = 1; i < argc && argv[i][0] == '-'; i++) {
                switch (argv[i][1]) {
                case 'w':
                        nowarn = 1;
                        continue;
                case 'h':
                        nohead = 1;
                        continue;
                }
                break;
        }
                                                /* find bounding box */
        bbmin[0] = bbmin[1] = bbmin[2] = FHUGE;
        bbmax[0] = bbmax[1] = bbmax[2] = -FHUGE;
                                                /* read input */
        if (i >= argc)
                readobj2(NULL, addobject);
        else
                for ( ; i < argc; i++)
                        if (!strcmp(argv[i], "-"))      /* from stdin */
                                readobj2(NULL, addobject);
                        else                            /* from file */
                                readobj2(argv[i], addobject);
                                                /* print bounding box */
        if (!nohead)
                printf(
"     xmin      xmax      ymin      ymax      zmin      zmax\n");

        printf("%9g %9g %9g %9g %9g %9g\n", bbmin[0], bbmax[0],
                        bbmin[1], bbmax[1], bbmin[2], bbmax[2]);
        quit(0);
        return 0; /* pro forma return */
}


void
quit(                           /* exit program */
        int  code
)
{
        exit(code);
}


void
cputs(void)                                     /* interactive error */
{
        /* referenced, but not used */
}


void
wputs(                          /* warning message */
        char  *s
)
{
        if (!nowarn)
                eputs(s);
}


void
eputs(                          /* put string to stderr */
        register char  *s
)
{
        static int  inln = 0;

        if (!inln++) {
                fputs(progname, stderr);
                fputs(": ", stderr);
        }
        fputs(s, stderr);
        if (*s && s[strlen(s)-1] == '\n')
                inln = 0;
}
Revision:	2.6
Committed:	Sat Mar 27 12:41:45 2004 UTC (20 years, 1 month ago) by schorsch
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3
Changes since 2.5:	+26 -15 lines
Log Message:	Continued ANSIfication. Renamed local initotypes() to ot_initotypes().
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	schorsch	2.6	static const char RCSid[] = "$Id: getbbox.c,v 2.5 2003/02/22 02:07:26 greg Exp $";
3	greg	1.1	#endif
4			/*
5			* getbbox.c - compute bounding box for scene files
6			*
7			* Adapted from oconv.c 29 May 1991
8			*/
9
10			#include "standard.h"
11			#include "octree.h"
12			#include "object.h"
13	schorsch	2.6	#include "oconv.h"
14	greg	1.1
15			char progname; / argv[0] */
16
17			int nowarn = 0; /* supress warnings? */
18
19	greg	2.5	void (addobjnotify[])() = {NULL}; / new object notifier functions */
20	greg	1.1
21			FVECT bbmin, bbmax; /* bounding box */
22
23	schorsch	2.6	static void addobject(OBJREC *o);
24
25
26
27			static void
28			addobject( /* add object to bounding box */
29			OBJREC *o
30			)
31	greg	1.1	{
32			add2bbox(o, bbmin, bbmax);
33			}
34
35
36	schorsch	2.6	int
37			main( /* read object files and compute bounds */
38			int argc,
39			char **argv
40			)
41	greg	1.1	{
42	greg	2.2	extern char *getenv();
43	greg	1.3	int nohead = 0;
44	greg	1.1	int i;
45
46			progname = argv[0];
47
48	greg	1.3	for (i = 1; i < argc && argv[i][0] == '-'; i++) {
49			switch (argv[i][1]) {
50			case 'w':
51			nowarn = 1;
52			continue;
53			case 'h':
54			nohead = 1;
55			continue;
56			}
57			break;
58			}
59	greg	1.1	/* find bounding box */
60			bbmin[0] = bbmin[1] = bbmin[2] = FHUGE;
61			bbmax[0] = bbmax[1] = bbmax[2] = -FHUGE;
62			/* read input */
63	greg	1.2	if (i >= argc)
64	greg	2.5	readobj2(NULL, addobject);
65	greg	1.2	else
66			for ( ; i < argc; i++)
67			if (!strcmp(argv[i], "-")) /* from stdin */
68	greg	2.5	readobj2(NULL, addobject);
69	greg	1.2	else /* from file */
70	greg	2.5	readobj2(argv[i], addobject);
71	greg	1.2	/* print bounding box */
72	greg	1.3	if (!nohead)
73			printf(
74	greg	2.3	" xmin xmax ymin ymax zmin zmax\n");
75	greg	1.3
76	greg	1.1	printf("%9g %9g %9g %9g %9g %9g\n", bbmin[0], bbmax[0],
77			bbmin[1], bbmax[1], bbmin[2], bbmax[2]);
78			quit(0);
79	schorsch	2.6	return 0; /* pro forma return */
80	greg	1.1	}
81
82
83	greg	2.5	void
84	schorsch	2.6	quit( /* exit program */
85			int code
86			)
87	greg	1.1	{
88			exit(code);
89			}
90
91
92	greg	2.5	void
93	schorsch	2.6	cputs(void) /* interactive error */
94	greg	1.1	{
95			/* referenced, but not used */
96			}
97
98
99	greg	2.5	void
100	schorsch	2.6	wputs( /* warning message */
101			char *s
102			)
103	greg	1.1	{
104			if (!nowarn)
105			eputs(s);
106			}
107
108
109	greg	2.5	void
110	schorsch	2.6	eputs( /* put string to stderr */
111			register char *s
112			)
113	greg	1.1	{
114			static int inln = 0;
115
116			if (!inln++) {
117			fputs(progname, stderr);
118			fputs(": ", stderr);
119			}
120			fputs(s, stderr);
121			if (*s && s[strlen(s)-1] == '\n')
122			inln = 0;
123			}