| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id$";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* genbox.c - generate a parallelepiped.
|
| 6 |
*
|
| 7 |
* 1/8/86
|
| 8 |
*/
|
| 9 |
|
| 10 |
#include <stdio.h>
|
| 11 |
|
| 12 |
#include <stdlib.h>
|
| 13 |
|
| 14 |
#include <math.h>
|
| 15 |
|
| 16 |
|
| 17 |
char let[]="0123456789._ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
| 18 |
|
| 19 |
char *cmtype; /* ppd material type */
|
| 20 |
|
| 21 |
char *cname; /* ppd name */
|
| 22 |
|
| 23 |
double size[3]; /* ppd size */
|
| 24 |
|
| 25 |
double bevel = 0.0; /* bevel amount */
|
| 26 |
|
| 27 |
int rounde = 0; /* boolean true for rounde edges */
|
| 28 |
|
| 29 |
int reverse = 0; /* boolean true for reversed normals */
|
| 30 |
|
| 31 |
|
| 32 |
main(argc, argv)
|
| 33 |
int argc;
|
| 34 |
char **argv;
|
| 35 |
{
|
| 36 |
int i;
|
| 37 |
|
| 38 |
if (argc < 6)
|
| 39 |
goto userr;
|
| 40 |
|
| 41 |
cmtype = argv[1];
|
| 42 |
cname = argv[2];
|
| 43 |
size[0] = atof(argv[3]);
|
| 44 |
size[1] = atof(argv[4]);
|
| 45 |
size[2] = atof(argv[5]);
|
| 46 |
|
| 47 |
for (i = 6; i < argc; i++) {
|
| 48 |
if (argv[i][0] != '-')
|
| 49 |
goto userr;
|
| 50 |
switch (argv[i][1]) {
|
| 51 |
case 'r':
|
| 52 |
rounde = 1;
|
| 53 |
/* fall through */
|
| 54 |
case 'b':
|
| 55 |
bevel = atof(argv[++i]);
|
| 56 |
break;
|
| 57 |
case 'i':
|
| 58 |
reverse = 1;
|
| 59 |
break;
|
| 60 |
default:
|
| 61 |
goto userr;
|
| 62 |
}
|
| 63 |
}
|
| 64 |
|
| 65 |
printhead(argc, argv);
|
| 66 |
|
| 67 |
if (bevel > 0.0) {
|
| 68 |
/* minor faces */
|
| 69 |
side(051, 055, 054, 050);
|
| 70 |
side(064, 066, 062, 060);
|
| 71 |
side(032, 033, 031, 030);
|
| 72 |
side(053, 052, 056, 057);
|
| 73 |
side(065, 061, 063, 067);
|
| 74 |
side(036, 034, 035, 037);
|
| 75 |
}
|
| 76 |
if (bevel > 0.0 && !rounde) {
|
| 77 |
/* bevel faces */
|
| 78 |
side(031, 051, 050, 030);
|
| 79 |
side(060, 062, 032, 030);
|
| 80 |
side(050, 054, 064, 060);
|
| 81 |
side(034, 036, 066, 064);
|
| 82 |
side(037, 057, 056, 036);
|
| 83 |
side(052, 062, 066, 056);
|
| 84 |
side(052, 053, 033, 032);
|
| 85 |
side(057, 067, 063, 053);
|
| 86 |
side(061, 031, 033, 063);
|
| 87 |
side(065, 067, 037, 035);
|
| 88 |
side(055, 051, 061, 065);
|
| 89 |
side(034, 054, 055, 035);
|
| 90 |
/* bevel corners */
|
| 91 |
corner(030, 050, 060);
|
| 92 |
corner(051, 031, 061);
|
| 93 |
corner(032, 062, 052);
|
| 94 |
corner(064, 054, 034);
|
| 95 |
corner(036, 056, 066);
|
| 96 |
corner(065, 035, 055);
|
| 97 |
corner(053, 063, 033);
|
| 98 |
corner(037, 067, 057);
|
| 99 |
}
|
| 100 |
if (bevel > 0.0 && rounde) {
|
| 101 |
/* rounde edges */
|
| 102 |
cylinder(070, 071);
|
| 103 |
cylinder(070, 074);
|
| 104 |
cylinder(070, 072);
|
| 105 |
cylinder(073, 071);
|
| 106 |
cylinder(073, 072);
|
| 107 |
cylinder(073, 077);
|
| 108 |
cylinder(075, 071);
|
| 109 |
cylinder(075, 074);
|
| 110 |
cylinder(075, 077);
|
| 111 |
cylinder(076, 072);
|
| 112 |
cylinder(076, 074);
|
| 113 |
cylinder(076, 077);
|
| 114 |
/* rounde corners */
|
| 115 |
sphere(070);
|
| 116 |
sphere(071);
|
| 117 |
sphere(072);
|
| 118 |
sphere(073);
|
| 119 |
sphere(074);
|
| 120 |
sphere(075);
|
| 121 |
sphere(076);
|
| 122 |
sphere(077);
|
| 123 |
}
|
| 124 |
if (bevel == 0.0 ) {
|
| 125 |
/* only need major faces */
|
| 126 |
side(1, 5, 4, 0);
|
| 127 |
side(4, 6, 2, 0);
|
| 128 |
side(2, 3, 1, 0);
|
| 129 |
side(3, 2, 6, 7);
|
| 130 |
side(5, 1, 3, 7);
|
| 131 |
side(6, 4, 5, 7);
|
| 132 |
}
|
| 133 |
exit(0);
|
| 134 |
userr:
|
| 135 |
fprintf(stderr, "Usage: %s ", argv[0]);
|
| 136 |
fprintf(stderr, "material name xsize ysize zsize ");
|
| 137 |
fprintf(stderr, "[-i] [-b bevel | -r rounde]\n");
|
| 138 |
exit(1);
|
| 139 |
}
|
| 140 |
|
| 141 |
|
| 142 |
side(a, b, c, d) /* generate a rectangular face */
|
| 143 |
int a, b, c, d;
|
| 144 |
{
|
| 145 |
printf("\n%s polygon %s.%c%c%c%c\n", cmtype, cname,
|
| 146 |
let[a], let[b], let[c], let[d]);
|
| 147 |
printf("0\n0\n12\n");
|
| 148 |
if (reverse) {
|
| 149 |
vertex(d);
|
| 150 |
vertex(c);
|
| 151 |
vertex(b);
|
| 152 |
vertex(a);
|
| 153 |
} else {
|
| 154 |
vertex(a);
|
| 155 |
vertex(b);
|
| 156 |
vertex(c);
|
| 157 |
vertex(d);
|
| 158 |
}
|
| 159 |
}
|
| 160 |
|
| 161 |
|
| 162 |
corner(a, b, c) /* generate a triangular face */
|
| 163 |
int a, b, c;
|
| 164 |
{
|
| 165 |
printf("\n%s polygon %s.%c%c%c\n", cmtype, cname,
|
| 166 |
let[a], let[b], let[c]);
|
| 167 |
printf("0\n0\n9\n");
|
| 168 |
if (reverse) {
|
| 169 |
vertex(c);
|
| 170 |
vertex(b);
|
| 171 |
vertex(a);
|
| 172 |
} else {
|
| 173 |
vertex(a);
|
| 174 |
vertex(b);
|
| 175 |
vertex(c);
|
| 176 |
}
|
| 177 |
}
|
| 178 |
|
| 179 |
|
| 180 |
cylinder(v0, v1) /* generate a cylinder */
|
| 181 |
int v0, v1;
|
| 182 |
{
|
| 183 |
printf("\n%s cylinder %s.%c%c\n", cmtype, cname, v0+'0', v1+'0');
|
| 184 |
printf("0\n0\n7\n");
|
| 185 |
vertex(v0);
|
| 186 |
vertex(v1);
|
| 187 |
printf("\t%18.12g\n", bevel);
|
| 188 |
}
|
| 189 |
|
| 190 |
|
| 191 |
sphere(v0) /* generate a sphere */
|
| 192 |
int v0;
|
| 193 |
{
|
| 194 |
printf("\n%s sphere %s.%c\n", cmtype, cname, v0+'0');
|
| 195 |
printf("0\n0\n4\n");
|
| 196 |
vertex(v0);
|
| 197 |
printf("\t%18.12g\n", bevel);
|
| 198 |
}
|
| 199 |
|
| 200 |
|
| 201 |
vertex(v)
|
| 202 |
register int v;
|
| 203 |
{
|
| 204 |
register int i;
|
| 205 |
|
| 206 |
for (i = 0; i < 3; i++) {
|
| 207 |
if (v & 010)
|
| 208 |
printf("\t%18.12g", v & 01 ? size[i]-bevel : bevel);
|
| 209 |
else
|
| 210 |
printf("\t%18.12g", v & 01 ? size[i] : 0.0);
|
| 211 |
v >>= 1;
|
| 212 |
}
|
| 213 |
printf("\n");
|
| 214 |
}
|
| 215 |
|
| 216 |
|
| 217 |
printhead(ac, av) /* print command header */
|
| 218 |
register int ac;
|
| 219 |
register char **av;
|
| 220 |
{
|
| 221 |
putchar('#');
|
| 222 |
while (ac--) {
|
| 223 |
putchar(' ');
|
| 224 |
fputs(*av++, stdout);
|
| 225 |
}
|
| 226 |
putchar('\n');
|
| 227 |
}
|
