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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1990 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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* 11/6/86 Finally added error checking! |
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*/ |
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|
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#include <stdio.h> |
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#include "standard.h" |
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#include <ctype.h> |
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#include "otypes.h" |
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|
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typedef struct { |
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char *funame; /* function name */ |
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int (*funp)(); /* pointer to function */ |
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} FUN; |
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|
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int xac; /* global xform argument count */ |
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char **xav; /* global xform argument pointer */ |
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int xfa; /* start of xf arguments */ |
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|
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double totxform[4][4]; /* total transformation matrix */ |
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double totscale; /* total scale factor */ |
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XF tot; /* total transformation */ |
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int reverse; /* boolean true if scene inverted */ |
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int expand = 0; /* boolean true to expand commands */ |
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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extern int o_source(); |
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extern int o_sphere(); |
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extern int o_face(); |
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extern int o_cone(); |
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extern int o_cylinder(); |
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extern int o_ring(); |
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extern int m_glow(); |
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extern int m_spot(); |
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extern int m_dielectric(); |
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extern int m_interface(); |
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extern int text(); |
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extern int alias(); |
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extern int passargs(); |
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extern int addxform(); |
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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FUN ofun[] = { |
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{ "source", o_source }, |
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{ "sphere", o_sphere }, |
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{ "bubble", o_sphere }, |
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{ "polygon", o_face }, |
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{ "cone", o_cone }, |
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{ "cup", o_cone }, |
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{ "cylinder", o_cylinder }, |
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{ "tube", o_cylinder }, |
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{ "ring", o_ring }, |
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{ "instance", addxform }, |
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{ "alias", alias }, |
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{ "antimatter", passargs }, |
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{ "glow", m_glow }, |
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{ "spotlight", m_spot }, |
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{ "dielectric", m_dielectric }, |
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{ "interface", m_interface }, |
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{ "colortext", text }, |
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{ "brighttext", text }, |
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{ "texfunc", addxform }, |
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{ "texdata", addxform }, |
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{ "colorfunc", addxform }, |
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{ "brightfunc", addxform }, |
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{ "colorpict", addxform }, |
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{ "colordata", addxform }, |
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{ "brightdata", addxform }, |
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{ "mixfunc", addxform }, |
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{ "mixdata", addxform }, |
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{ "mixtext", text }, |
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{ "light", passargs }, |
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{ "illum", passargs }, |
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{ "plastic", passargs }, |
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{ "metal", passargs }, |
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{ "trans", passargs }, |
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{ "glass", passargs }, |
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{ 0 } /* terminator */ |
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}; |
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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#define issurface(t) ((t)<=9) |
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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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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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xav = argv; |
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initotypes(); |
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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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xav = argv; |
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xfa = a; |
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|
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totscale = 1.0; |
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setident4(totxform); |
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a += xf(&tot, argc-a, argv+a); |
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a += xf(totxform, &totscale, argc-a, argv+a); |
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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 (reverse = totscale < 0.0) |
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totscale = -totscale; |
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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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|
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putchar('#'); /* simple header */ |
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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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|
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if (a == argc) |
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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 < argc; a++) { |
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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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fclose(fp); |
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} |
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exit(0); |
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return(0); |
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} |
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xform(name, fin) /* transform stream by totxform */ |
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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; |
152 |
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for (i = 0; i < atoi(av[ai+1]); i++) { |
153 |
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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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} while (c != '\n'); |
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} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
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if (expand) |
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xfcomm(name, fin); |
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else { |
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putchar('\n'); |
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while ((c = getc(fin)) != EOF && c != '\n') |
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putchar(c); |
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printf(" |"); |
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for (c = 0; c < xac; c++) |
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printf(" %s", xav[c]); |
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putchar('\n'); |
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} |
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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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xfcomm(fname, fin) /* expand a command */ |
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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 *fgets(); |
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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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fgets(buf, sizeof(buf), fin); |
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if (buf[strlen(buf)-1] == '\n') |
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buf[strlen(buf)-1] = '\0'; |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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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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> |
} |
209 |
> |
xform(buf, pin); |
210 |
> |
pclose(pin); |
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} else { |
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> |
fflush(stdout); |
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> |
system(buf+1); |
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> |
} |
215 |
> |
} else { |
216 |
> |
printf("\n%s", buf); |
217 |
> |
if (xac > 1) { |
218 |
> |
printf(" | %s -e", xav[0]); |
219 |
> |
for (i = 1; i < xac; i++) |
220 |
> |
printf(" %s", xav[i]); |
221 |
> |
} |
222 |
> |
putchar('\n'); |
223 |
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} |
219 |
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xform(buf, pin); |
220 |
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pclose(pin); |
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} |
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|
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|
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} |
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|
256 |
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|
257 |
< |
passargs(fin) /* pass on arguments unchanged */ |
257 |
> |
o_default(fin) /* pass on arguments unchanged */ |
258 |
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FILE *fin; |
259 |
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{ |
260 |
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register int i; |
318 |
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{ |
319 |
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register int i; |
320 |
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|
321 |
< |
for (i = 0; ofun[i].funame != NULL; i++) |
321 |
> |
for (i = 0; i < NUMTYPES; i++) |
322 |
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if (!strcmp(ofun[i].funame, ofname)) |
323 |
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return(i); |
324 |
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|
329 |
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alias(fin) /* transfer alias */ |
330 |
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FILE *fin; |
331 |
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{ |
332 |
< |
char alias[MAXSTR]; |
332 |
> |
char aliasnm[MAXSTR]; |
333 |
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|
334 |
< |
if (fscanf(fin, "%s", alias) != 1) |
334 |
> |
if (fscanf(fin, "%s", aliasnm) != 1) |
335 |
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return(-1); |
336 |
< |
printf("\t%s\n", alias); |
336 |
> |
printf("\t%s\n", aliasnm); |
337 |
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return(0); |
338 |
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} |
339 |
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|
350 |
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printf("0\n0\n4"); |
351 |
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printf(" %18.12g %18.12g %18.12g", |
352 |
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fa->farg[0], fa->farg[1], fa->farg[2]); |
353 |
< |
printf(" %18.12g\n", fa->farg[3] * totscale); |
353 |
> |
printf(" %18.12g\n", fa->farg[3] * tot.sca); |
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freefargs(fa); |
355 |
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return(0); |
356 |
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} |
369 |
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printf("0\n0\n7"); |
370 |
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printf(" %18.12g %18.12g %18.12g %18.12g\n", |
371 |
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fa->farg[0], fa->farg[1], fa->farg[2], fa->farg[3]); |
372 |
< |
multv3(v, fa->farg+4, totxform); |
372 |
> |
multv3(v, fa->farg+4, tot.xfm); |
373 |
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printf("\t%18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
374 |
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freefargs(fa); |
375 |
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return(0); |
388 |
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return(-1); |
389 |
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printf("0\n0\n5"); |
390 |
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printf(" %18.12g %18.12g %18.12g", |
391 |
< |
pow(fa->farg[0], 1.0/totscale), |
392 |
< |
pow(fa->farg[1], 1.0/totscale), |
393 |
< |
pow(fa->farg[2], 1.0/totscale)); |
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)); |
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printf(" %18.12g %18.12g\n", fa->farg[3], fa->farg[4]); |
395 |
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freefargs(fa); |
396 |
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return(0); |
409 |
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return(-1); |
410 |
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printf("0\n0\n8\n"); |
411 |
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printf("%18.12g %18.12g %18.12g", |
412 |
< |
pow(fa->farg[0], 1.0/totscale), |
413 |
< |
pow(fa->farg[1], 1.0/totscale), |
414 |
< |
pow(fa->farg[2], 1.0/totscale)); |
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 |
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printf(" %18.12g\n", fa->farg[3]); |
416 |
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printf("%18.12g %18.12g %18.12g", |
417 |
< |
pow(fa->farg[4], 1.0/totscale), |
418 |
< |
pow(fa->farg[5], 1.0/totscale), |
419 |
< |
pow(fa->farg[6], 1.0/totscale)); |
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 |
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printf(" %18.12g\n", fa->farg[7]); |
421 |
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freefargs(fa); |
422 |
|
return(0); |
441 |
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printf(" %s", fa->sarg[i]); |
442 |
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printf("\n0\n%d\n", fa->nfargs); |
443 |
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/* anchor point */ |
444 |
< |
multp3(v, fa->farg, totxform); |
444 |
> |
multp3(v, fa->farg, tot.xfm); |
445 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
446 |
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/* right vector */ |
447 |
< |
multv3(v, fa->farg+3, totxform); |
447 |
> |
multv3(v, fa->farg+3, tot.xfm); |
448 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
449 |
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/* down vector */ |
450 |
< |
multv3(v, fa->farg+6, totxform); |
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) |
474 |
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
475 |
|
return(-1); |
476 |
|
/* transform direction vector */ |
477 |
< |
multv3(dv, fa->farg, totxform); |
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", |
495 |
|
if (fa->nsargs != 0 || fa->niargs != 0 || fa->nfargs != 4) |
496 |
|
return(-1); |
497 |
|
|
498 |
< |
multp3(cent, fa->farg, totxform); /* transform center */ |
498 |
> |
multp3(cent, fa->farg, tot.xfm); /* transform center */ |
499 |
|
|
500 |
< |
rad = fa->farg[3] * totscale; /* scale radius */ |
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", |
523 |
|
|
524 |
|
for (i = 0; i < fa->nfargs; i += 3) { |
525 |
|
if (reverse) |
526 |
< |
multp3(p, fa->farg+(fa->nfargs-i-3), totxform); |
526 |
> |
multp3(p, fa->farg+(fa->nfargs-i-3), tot.xfm); |
527 |
|
else |
528 |
< |
multp3(p, fa->farg+i, totxform); |
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); |
546 |
|
|
547 |
|
printf("0\n0\n8\n"); |
548 |
|
|
549 |
< |
multp3(p0, fa->farg, totxform); |
550 |
< |
multp3(p1, fa->farg+3, totxform); |
551 |
< |
r0 = fa->farg[6] * totscale; |
552 |
< |
r1 = fa->farg[7] * totscale; |
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); |
572 |
|
|
573 |
|
printf("0\n0\n7\n"); |
574 |
|
|
575 |
< |
multp3(p0, fa->farg, totxform); |
576 |
< |
multp3(p1, fa->farg+3, totxform); |
577 |
< |
rad = fa->farg[6] * totscale; |
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); |
596 |
|
|
597 |
|
printf("0\n0\n8\n"); |
598 |
|
|
599 |
< |
multp3(p0, fa->farg, totxform); |
600 |
< |
multv3(pd, fa->farg+3, totxform); |
601 |
< |
r0 = fa->farg[6] * totscale; |
602 |
< |
r1 = fa->farg[7] * totscale; |
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); |
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 |
|
} |