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/* Copyright (c) 1990 Regents of the University of California */ |
| 2 |
|
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#ifndef lint |
| 4 |
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
#endif |
| 6 |
|
| 7 |
/* |
| 8 |
* xform.c - program to transform object files. |
| 9 |
* Transformations must preserve aspect ratio. |
| 10 |
* |
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* 10/19/85 |
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* 11/6/86 Finally added error checking! |
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*/ |
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|
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#include "standard.h" |
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|
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#include <ctype.h> |
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|
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#include "otypes.h" |
| 20 |
|
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int xac; /* global xform argument count */ |
| 22 |
char **xav; /* global xform argument pointer */ |
| 23 |
int xfa; /* start of xf arguments */ |
| 24 |
|
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XF tot; /* total transformation */ |
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int reverse; /* boolean true if scene inverted */ |
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|
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int expand = 0; /* boolean true to expand commands */ |
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|
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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|
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FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
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|
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typedef struct { |
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short nsargs; /* # of string arguments */ |
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char **sarg; /* string arguments */ |
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short niargs; /* # of integer arguments */ |
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int *iarg; /* integer arguments */ |
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short nfargs; /* # of float arguments */ |
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double *farg; /* float arguments */ |
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} FUNARGS; |
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|
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#define MAXSTR 512 /* maximum string length */ |
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|
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FUNARGS *getfargs(); |
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char *malloc(); |
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|
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#define progname (xav[0]) |
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|
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|
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main(argc, argv) /* get transform options and transform file */ |
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int argc; |
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char *argv[]; |
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{ |
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FILE *fopen(); |
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FILE *fp; |
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int a; |
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/* check for array */ |
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for (a = 1; a < argc; a++) |
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if (!strcmp(argv[a], "-a")) |
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return(doarray(argc, argv, a)); |
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|
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initotypes(); |
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|
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for (a = 1; a < argc; a++) { |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case 'n': |
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if (argv[a][2] || a+1 >= argc) |
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break; |
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idprefix = argv[++a]; |
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continue; |
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case 'e': |
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if (argv[a][2]) |
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break; |
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expand = 1; |
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continue; |
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} |
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break; |
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} |
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|
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xav = argv; |
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xfa = a; |
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|
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a += xf(&tot, argc-a, argv+a); |
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|
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if (reverse = tot.sca < 0.0) |
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tot.sca = -tot.sca; |
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|
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if (a < argc && argv[a][0] == '-') { |
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fprintf(stderr, "%s: command line error at '%s'\n", |
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argv[0], argv[a]); |
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exit(1); |
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} |
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|
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xac = a; |
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/* simple header */ |
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putchar('#'); |
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for (a = 0; a < xac; a++) |
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printf(" %s", xav[a]); |
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putchar('\n'); |
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/* transform input */ |
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if (xac == argc) |
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xform("standard input", stdin); |
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else |
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for (a = xac; a < argc; a++) { |
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if ((fp = fopen(argv[a], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open \"%s\"\n", |
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progname, argv[a]); |
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exit(1); |
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} |
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xform(argv[a], fp); |
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fclose(fp); |
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} |
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|
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return(0); |
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} |
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|
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|
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doarray(ac, av, ai) /* make array */ |
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char **av; |
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int ac, ai; |
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{ |
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char *newav[256], **avp; |
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char newid[128], repts[32]; |
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char *oldid = NULL; |
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int i, err; |
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|
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avp = newav+2; |
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avp[0] = av[0]; |
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for (i = 1; i < ac; i++) |
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if (!strcmp(av[i-1], "-n")) { |
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oldid = av[i]; |
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avp[i] = newid; |
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} else |
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avp[i] = av[i]; |
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avp[ai] = "-i"; |
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avp[ai+1] = repts; |
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avp[i] = NULL; |
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if (oldid == NULL) { |
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newav[0] = av[0]; |
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newav[1] = "-n"; |
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newav[2] = newid; |
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avp = newav; |
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ac += 2; |
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} |
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err = 0; |
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for (i = 0; i < atoi(av[ai+1]); i++) { |
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if (oldid == NULL) |
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sprintf(newid, "a%d", i); |
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else |
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sprintf(newid, "%s.%d", oldid, i); |
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sprintf(repts, "%d", i); |
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err |= main(ac, avp); |
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} |
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return(err); |
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} |
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|
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|
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xform(name, fin) /* transform stream by tot.xfm */ |
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char *name; |
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register FILE *fin; |
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{ |
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register int c; |
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|
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while ((c = getc(fin)) != EOF) { |
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if (isspace(c)) /* blank */ |
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continue; |
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if (c == '#') { /* comment */ |
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putchar(c); |
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do { |
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if ((c = getc(fin)) == EOF) |
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return; |
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putchar(c); |
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} while (c != '\n'); |
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} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
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xfcomm(name, fin); |
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} else { /* object */ |
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ungetc(c, fin); |
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xfobject(name, fin); |
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} |
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} |
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} |
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|
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|
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xfcomm(fname, fin) /* transform a command */ |
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FILE *fin; |
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{ |
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FILE *popen(); |
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char *fgetline(); |
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FILE *pin; |
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char buf[512]; |
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int i; |
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|
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fgetline(buf, sizeof(buf), fin); |
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if (expand) { |
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if (xac > 2) { |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, |
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"%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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fflush(stdout); |
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system(buf+1); |
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} |
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} else { |
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printf("\n%s", buf); |
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if (xac > 1) { |
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printf(" | %s -e", xav[0]); |
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for (i = 1; i < xac; i++) |
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printf(" %s", xav[i]); |
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} |
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putchar('\n'); |
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} |
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} |
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|
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|
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xfobject(fname, fin) /* transform an object */ |
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char *fname; |
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FILE *fin; |
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{ |
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char stmp[MAXSTR]; |
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int fn; |
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|
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fscanf(fin, "%s", stmp); /* modifier */ |
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printf("\n%s ", stmp); |
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fscanf(fin, "%s", stmp); /* object type */ |
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if ((fn = otype(stmp)) < 0) { |
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fprintf(stderr, "%s: (%s): unknown object type \"%s\"\n", |
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progname, fname, stmp); |
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exit(1); |
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} |
| 242 |
printf("%s ", stmp); |
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fscanf(fin, "%s", stmp); /* object name */ |
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if (idprefix != NULL && issurface(fn)) |
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printf("%s.%s\n", idprefix, stmp); |
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else |
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printf("%s\n", stmp); |
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/* transform arguments */ |
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if ((*ofun[fn].funp)(fin) < 0) { |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
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progname, fname, ofun[fn].funame, stmp); |
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exit(1); |
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} |
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} |
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|
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|
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o_default(fin) /* pass on arguments unchanged */ |
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FILE *fin; |
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{ |
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register int i; |
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register FUNARGS *fa; |
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|
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if ((fa = getfargs(fin)) == NULL) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa->nsargs); |
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for (i = 0; i < fa->nsargs; i++) |
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printf(" %s", fa->sarg[i]); |
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printf("\n"); |
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/* integer arguments */ |
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printf("%d", fa->niargs); |
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for (i = 0; i < fa->niargs; i++) |
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printf(" %d", fa->iarg[i]); |
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printf("\n"); |
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/* float arguments */ |
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printf("%d", fa->nfargs); |
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for (i = 0; i < fa->nfargs; i++) |
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printf(" %18.12g", fa->farg[i]); |
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printf("\n"); |
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freefargs(fa); |
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return(0); |
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} |
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|
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|
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addxform(fin) /* add xf arguments to strings */ |
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FILE *fin; |
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{ |
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register int i; |
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register FUNARGS *fa; |
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|
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if ((fa = getfargs(fin)) == NULL) |
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return(-1); |
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/* string arguments */ |
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printf("%d", fa->nsargs + xac-xfa); |
| 295 |
for (i = 0; i < fa->nsargs; i++) |
| 296 |
printf(" %s", fa->sarg[i]); |
| 297 |
for (i = xfa; i < xac; i++) /* add xf arguments */ |
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printf(" %s", xav[i]); |
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printf("\n"); |
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/* integer arguments */ |
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printf("%d", fa->niargs); |
| 302 |
for (i = 0; i < fa->niargs; i++) |
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printf(" %d", fa->iarg[i]); |
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printf("\n"); |
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/* float arguments */ |
| 306 |
printf("%d", fa->nfargs); |
| 307 |
for (i = 0; i < fa->nfargs; i++) |
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printf(" %18.12g", fa->farg[i]); |
| 309 |
printf("\n"); |
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freefargs(fa); |
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return(0); |
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} |
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|
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|
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int |
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otype(ofname) /* get object function number from its name */ |
| 317 |
register char *ofname; |
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{ |
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register int i; |
| 320 |
|
| 321 |
for (i = 0; i < NUMTYPES; i++) |
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if (!strcmp(ofun[i].funame, ofname)) |
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return(i); |
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|
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return(-1); /* not found */ |
| 326 |
} |
| 327 |
|
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|
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alias(fin) /* transfer alias */ |
| 330 |
FILE *fin; |
| 331 |
{ |
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char aliasnm[MAXSTR]; |
| 333 |
|
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if (fscanf(fin, "%s", aliasnm) != 1) |
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return(-1); |
| 336 |
printf("\t%s\n", aliasnm); |
| 337 |
return(0); |
| 338 |
} |
| 339 |
|
| 340 |
|
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m_glow(fin) /* transform arguments for proximity light */ |
| 342 |
FILE *fin; |
| 343 |
{ |
| 344 |
register FUNARGS *fa; |
| 345 |
|
| 346 |
if ((fa = getfargs(fin)) == NULL) |
| 347 |
return(-1); |
| 348 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
| 349 |
return(-1); |
| 350 |
printf("0\n0\n4"); |
| 351 |
printf(" %18.12g %18.12g %18.12g", |
| 352 |
fa->farg[0], fa->farg[1], fa->farg[2]); |
| 353 |
printf(" %18.12g\n", fa->farg[3] * tot.sca); |
| 354 |
freefargs(fa); |
| 355 |
return(0); |
| 356 |
} |
| 357 |
|
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|
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m_spot(fin) /* transform arguments for spotlight */ |
| 360 |
FILE *fin; |
| 361 |
{ |
| 362 |
double v[3]; |
| 363 |
register FUNARGS *fa; |
| 364 |
|
| 365 |
if ((fa = getfargs(fin)) == NULL) |
| 366 |
return(-1); |
| 367 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7) |
| 368 |
return(-1); |
| 369 |
printf("0\n0\n7"); |
| 370 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
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fa->farg[0], fa->farg[1], fa->farg[2], fa->farg[3]); |
| 372 |
multv3(v, fa->farg+4, tot.xfm); |
| 373 |
printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 374 |
freefargs(fa); |
| 375 |
return(0); |
| 376 |
} |
| 377 |
|
| 378 |
|
| 379 |
m_dielectric(fin) /* transform arguments for dielectric */ |
| 380 |
FILE *fin; |
| 381 |
{ |
| 382 |
double pow(); |
| 383 |
register FUNARGS *fa; |
| 384 |
|
| 385 |
if ((fa = getfargs(fin)) == NULL) |
| 386 |
return(-1); |
| 387 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 5) |
| 388 |
return(-1); |
| 389 |
printf("0\n0\n5"); |
| 390 |
printf(" %18.12g %18.12g %18.12g", |
| 391 |
pow(fa->farg[0], 1.0/tot.sca), |
| 392 |
pow(fa->farg[1], 1.0/tot.sca), |
| 393 |
pow(fa->farg[2], 1.0/tot.sca)); |
| 394 |
printf(" %18.12g %18.12g\n", fa->farg[3], fa->farg[4]); |
| 395 |
freefargs(fa); |
| 396 |
return(0); |
| 397 |
} |
| 398 |
|
| 399 |
|
| 400 |
m_interface(fin) /* transform arguments for interface */ |
| 401 |
FILE *fin; |
| 402 |
{ |
| 403 |
double pow(); |
| 404 |
register FUNARGS *fa; |
| 405 |
|
| 406 |
if ((fa = getfargs(fin)) == NULL) |
| 407 |
return(-1); |
| 408 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
| 409 |
return(-1); |
| 410 |
printf("0\n0\n8\n"); |
| 411 |
printf("%18.12g %18.12g %18.12g", |
| 412 |
pow(fa->farg[0], 1.0/tot.sca), |
| 413 |
pow(fa->farg[1], 1.0/tot.sca), |
| 414 |
pow(fa->farg[2], 1.0/tot.sca)); |
| 415 |
printf(" %18.12g\n", fa->farg[3]); |
| 416 |
printf("%18.12g %18.12g %18.12g", |
| 417 |
pow(fa->farg[4], 1.0/tot.sca), |
| 418 |
pow(fa->farg[5], 1.0/tot.sca), |
| 419 |
pow(fa->farg[6], 1.0/tot.sca)); |
| 420 |
printf(" %18.12g\n", fa->farg[7]); |
| 421 |
freefargs(fa); |
| 422 |
return(0); |
| 423 |
} |
| 424 |
|
| 425 |
|
| 426 |
text(fin) /* transform text arguments */ |
| 427 |
FILE *fin; |
| 428 |
{ |
| 429 |
int i; |
| 430 |
double v[3]; |
| 431 |
register FUNARGS *fa; |
| 432 |
|
| 433 |
if ((fa = getfargs(fin)) == NULL) |
| 434 |
return(-1); |
| 435 |
if (fa->niargs != 0 || (fa->nfargs != 9 && |
| 436 |
fa->nfargs != 11 && fa->nfargs != 15)) |
| 437 |
return(-1); |
| 438 |
/* string arguments */ |
| 439 |
printf("%d", fa->nsargs); |
| 440 |
for (i = 0; i < fa->nsargs; i++) |
| 441 |
printf(" %s", fa->sarg[i]); |
| 442 |
printf("\n0\n%d\n", fa->nfargs); |
| 443 |
/* anchor point */ |
| 444 |
multp3(v, fa->farg, tot.xfm); |
| 445 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 446 |
/* right vector */ |
| 447 |
multv3(v, fa->farg+3, tot.xfm); |
| 448 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 449 |
/* down vector */ |
| 450 |
multv3(v, fa->farg+6, tot.xfm); |
| 451 |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 452 |
/* forground and background */ |
| 453 |
if (fa->nfargs == 11) |
| 454 |
printf(" %18.12g %18.12g\n", fa->farg[9], fa->farg[10]); |
| 455 |
else if (fa->nfargs == 15) { |
| 456 |
printf(" %18.12g %18.12g %18.12g\n", |
| 457 |
fa->farg[9], fa->farg[10], fa->farg[11]); |
| 458 |
printf(" %18.12g %18.12g %18.12g\n", |
| 459 |
fa->farg[12], fa->farg[13], fa->farg[14]); |
| 460 |
} |
| 461 |
freefargs(fa); |
| 462 |
return(0); |
| 463 |
} |
| 464 |
|
| 465 |
|
| 466 |
o_source(fin) /* transform source arguments */ |
| 467 |
FILE *fin; |
| 468 |
{ |
| 469 |
double dv[3]; |
| 470 |
register FUNARGS *fa; |
| 471 |
|
| 472 |
if ((fa = getfargs(fin)) == NULL) |
| 473 |
return(-1); |
| 474 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
| 475 |
return(-1); |
| 476 |
/* transform direction vector */ |
| 477 |
multv3(dv, fa->farg, tot.xfm); |
| 478 |
/* output */ |
| 479 |
printf("0\n0\n4"); |
| 480 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
| 481 |
dv[0], dv[1], dv[2], fa->farg[3]); |
| 482 |
freefargs(fa); |
| 483 |
return(0); |
| 484 |
} |
| 485 |
|
| 486 |
|
| 487 |
o_sphere(fin) /* transform sphere arguments */ |
| 488 |
FILE *fin; |
| 489 |
{ |
| 490 |
double cent[3], rad; |
| 491 |
register FUNARGS *fa; |
| 492 |
|
| 493 |
if ((fa = getfargs(fin)) == NULL) |
| 494 |
return(-1); |
| 495 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
| 496 |
return(-1); |
| 497 |
|
| 498 |
multp3(cent, fa->farg, tot.xfm); /* transform center */ |
| 499 |
|
| 500 |
rad = fa->farg[3] * tot.sca; /* scale radius */ |
| 501 |
|
| 502 |
printf("0\n0\n4"); |
| 503 |
printf(" %18.12g %18.12g %18.12g %18.12g\n", |
| 504 |
cent[0], cent[1], cent[2], rad); |
| 505 |
freefargs(fa); |
| 506 |
return(0); |
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
o_face(fin) /* transform face arguments */ |
| 511 |
FILE *fin; |
| 512 |
{ |
| 513 |
double p[3]; |
| 514 |
register int i; |
| 515 |
register FUNARGS *fa; |
| 516 |
|
| 517 |
if ((fa = getfargs(fin)) == NULL) |
| 518 |
return(-1); |
| 519 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs % 3) |
| 520 |
return(-1); |
| 521 |
|
| 522 |
printf("0\n0\n%d\n", fa->nfargs); |
| 523 |
|
| 524 |
for (i = 0; i < fa->nfargs; i += 3) { |
| 525 |
if (reverse) |
| 526 |
multp3(p, fa->farg+(fa->nfargs-i-3), tot.xfm); |
| 527 |
else |
| 528 |
multp3(p, fa->farg+i, tot.xfm); |
| 529 |
printf(" %18.12g %18.12g %18.12g\n", p[0], p[1], p[2]); |
| 530 |
} |
| 531 |
freefargs(fa); |
| 532 |
return(0); |
| 533 |
} |
| 534 |
|
| 535 |
|
| 536 |
o_cone(fin) /* transform cone and cup arguments */ |
| 537 |
FILE *fin; |
| 538 |
{ |
| 539 |
double p0[3], p1[3], r0, r1; |
| 540 |
register FUNARGS *fa; |
| 541 |
|
| 542 |
if ((fa = getfargs(fin)) == NULL) |
| 543 |
return(-1); |
| 544 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
| 545 |
return(-1); |
| 546 |
|
| 547 |
printf("0\n0\n8\n"); |
| 548 |
|
| 549 |
multp3(p0, fa->farg, tot.xfm); |
| 550 |
multp3(p1, fa->farg+3, tot.xfm); |
| 551 |
r0 = fa->farg[6] * tot.sca; |
| 552 |
r1 = fa->farg[7] * tot.sca; |
| 553 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
| 554 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
| 555 |
printf(" %18.12g %18.12g\n", r0, r1); |
| 556 |
|
| 557 |
freefargs(fa); |
| 558 |
return(0); |
| 559 |
} |
| 560 |
|
| 561 |
|
| 562 |
o_cylinder(fin) /* transform cylinder and tube arguments */ |
| 563 |
FILE *fin; |
| 564 |
{ |
| 565 |
double p0[3], p1[3], rad; |
| 566 |
register FUNARGS *fa; |
| 567 |
|
| 568 |
if ((fa = getfargs(fin)) == NULL) |
| 569 |
return(-1); |
| 570 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 7) |
| 571 |
return(-1); |
| 572 |
|
| 573 |
printf("0\n0\n7\n"); |
| 574 |
|
| 575 |
multp3(p0, fa->farg, tot.xfm); |
| 576 |
multp3(p1, fa->farg+3, tot.xfm); |
| 577 |
rad = fa->farg[6] * tot.sca; |
| 578 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
| 579 |
printf(" %18.12g %18.12g %18.12g\n", p1[0], p1[1], p1[2]); |
| 580 |
printf(" %18.12g\n", rad); |
| 581 |
freefargs(fa); |
| 582 |
return(0); |
| 583 |
} |
| 584 |
|
| 585 |
|
| 586 |
o_ring(fin) /* transform ring arguments */ |
| 587 |
FILE *fin; |
| 588 |
{ |
| 589 |
double p0[3], pd[3], r0, r1; |
| 590 |
register FUNARGS *fa; |
| 591 |
|
| 592 |
if ((fa = getfargs(fin)) == NULL) |
| 593 |
return(-1); |
| 594 |
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 8) |
| 595 |
return(-1); |
| 596 |
|
| 597 |
printf("0\n0\n8\n"); |
| 598 |
|
| 599 |
multp3(p0, fa->farg, tot.xfm); |
| 600 |
multv3(pd, fa->farg+3, tot.xfm); |
| 601 |
r0 = fa->farg[6] * tot.sca; |
| 602 |
r1 = fa->farg[7] * tot.sca; |
| 603 |
printf(" %18.12g %18.12g %18.12g\n", p0[0], p0[1], p0[2]); |
| 604 |
printf(" %18.12g %18.12g %18.12g\n", pd[0], pd[1], pd[2]); |
| 605 |
printf(" %18.12g %18.12g\n", r0, r1); |
| 606 |
freefargs(fa); |
| 607 |
return(0); |
| 608 |
} |
| 609 |
|
| 610 |
|
| 611 |
FUNARGS * |
| 612 |
getfargs(fp) /* get function arguments from stream */ |
| 613 |
FILE *fp; |
| 614 |
{ |
| 615 |
char *strcpy(); |
| 616 |
char sbuf[MAXSTR]; |
| 617 |
int n; |
| 618 |
register FUNARGS *fa; |
| 619 |
register int i; |
| 620 |
|
| 621 |
if ((fa = (FUNARGS *)malloc((unsigned)sizeof(FUNARGS))) == NULL) |
| 622 |
goto memerr; |
| 623 |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
| 624 |
return(NULL); |
| 625 |
if (fa->nsargs = n) { |
| 626 |
fa->sarg = (char **)malloc((unsigned)fa->nsargs*sizeof(char *)); |
| 627 |
if (fa->sarg == NULL) |
| 628 |
goto memerr; |
| 629 |
for (i = 0; i < fa->nsargs; i++) { |
| 630 |
if (fscanf(fp, "%s", sbuf) != 1) |
| 631 |
return(NULL); |
| 632 |
if ((fa->sarg[i] = malloc((unsigned)strlen(sbuf)+1)) == NULL) |
| 633 |
goto memerr; |
| 634 |
strcpy(fa->sarg[i], sbuf); |
| 635 |
} |
| 636 |
} else |
| 637 |
fa->sarg = NULL; |
| 638 |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
| 639 |
return(NULL); |
| 640 |
if (fa->niargs = n) { |
| 641 |
fa->iarg = (int *)malloc((unsigned)fa->niargs*sizeof(int)); |
| 642 |
if (fa->iarg == NULL) |
| 643 |
goto memerr; |
| 644 |
for (i = 0; i < fa->niargs; i++) |
| 645 |
if (fscanf(fp, "%d", &fa->iarg[i]) != 1) |
| 646 |
return(NULL); |
| 647 |
} else |
| 648 |
fa->iarg = NULL; |
| 649 |
if (fscanf(fp, "%d", &n) != 1 || n < 0) |
| 650 |
return(NULL); |
| 651 |
if (fa->nfargs = n) { |
| 652 |
fa->farg = (double *)malloc((unsigned)fa->nfargs*sizeof(double)); |
| 653 |
if (fa->farg == NULL) |
| 654 |
goto memerr; |
| 655 |
for (i = 0; i < fa->nfargs; i++) |
| 656 |
if (fscanf(fp, "%lf", &fa->farg[i]) != 1) |
| 657 |
return(NULL); |
| 658 |
} else |
| 659 |
fa->farg = NULL; |
| 660 |
return(fa); |
| 661 |
memerr: |
| 662 |
fprintf(stderr, "%s: out of memory in getfargs\n", progname); |
| 663 |
exit(1); |
| 664 |
} |
| 665 |
|
| 666 |
|
| 667 |
freefargs(fa) /* free memory associated with fa */ |
| 668 |
register FUNARGS *fa; |
| 669 |
{ |
| 670 |
register int i; |
| 671 |
|
| 672 |
for (i = 0; i < fa->nsargs; i++) |
| 673 |
free(fa->sarg[i]); |
| 674 |
if (fa->nsargs) |
| 675 |
free(fa->sarg); |
| 676 |
if (fa->niargs) |
| 677 |
free(fa->iarg); |
| 678 |
if (fa->nfargs) |
| 679 |
free(fa->farg); |
| 680 |
free(fa); |
| 681 |
} |
| 682 |
|
| 683 |
|
| 684 |
initotypes() /* initialize ofun[] array */ |
| 685 |
{ |
| 686 |
extern int o_source(); |
| 687 |
extern int o_sphere(); |
| 688 |
extern int o_face(); |
| 689 |
extern int o_cone(); |
| 690 |
extern int o_cylinder(); |
| 691 |
extern int o_ring(); |
| 692 |
extern int m_glow(); |
| 693 |
extern int m_spot(); |
| 694 |
extern int m_dielectric(); |
| 695 |
extern int m_interface(); |
| 696 |
extern int text(); |
| 697 |
extern int alias(); |
| 698 |
extern int passargs(); |
| 699 |
extern int addxform(); |
| 700 |
register int i; |
| 701 |
|
| 702 |
if (ofun[OBJ_SOURCE].funp == o_source) |
| 703 |
return; /* done already */ |
| 704 |
/* alias is additional */ |
| 705 |
ofun[ALIAS].funame = ALIASID; |
| 706 |
ofun[ALIAS].flags = 0; |
| 707 |
/* functions get new transform */ |
| 708 |
for (i = 0; i < NUMTYPES; i++) |
| 709 |
if (hasfunc(i)) |
| 710 |
ofun[i].funp = addxform; |
| 711 |
/* special cases */ |
| 712 |
ofun[OBJ_SOURCE].funp = o_source; |
| 713 |
ofun[OBJ_SPHERE].funp = |
| 714 |
ofun[OBJ_BUBBLE].funp = o_sphere; |
| 715 |
ofun[OBJ_FACE].funp = o_face; |
| 716 |
ofun[OBJ_CONE].funp = |
| 717 |
ofun[OBJ_CUP].funp = o_cone; |
| 718 |
ofun[OBJ_CYLINDER].funp = |
| 719 |
ofun[OBJ_TUBE].funp = o_cylinder; |
| 720 |
ofun[OBJ_RING].funp = o_ring; |
| 721 |
ofun[OBJ_INSTANCE].funp = addxform; |
| 722 |
ofun[MAT_GLOW].funp = m_glow; |
| 723 |
ofun[MAT_SPOT].funp = m_spot; |
| 724 |
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
| 725 |
ofun[MAT_INTERFACE].funp = m_interface; |
| 726 |
ofun[PAT_CTEXT].funp = |
| 727 |
ofun[PAT_BTEXT].funp = |
| 728 |
ofun[MIX_TEXT].funp = text; |
| 729 |
ofun[ALIAS].funp = alias; |
| 730 |
} |
