projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b0fb34bd | 1 | #ifndef lint |
| 248f44a0 | 2 | static char sccsid[] = "@(#)driver.c 4.4 (Berkeley) %G%"; |
| b0fb34bd SL |
3 | #endif |
| 4 | ||
| 5 | #include <stdio.h> | |
| 6 | ||
| 7 | float deltx; | |
| 8 | float delty; | |
| 248f44a0 | 9 | int PlotRes; |
| b0fb34bd | 10 | |
| 248f44a0 SL |
11 | main(argc,argv) |
| 12 | int argc; | |
| 13 | char *argv[]; | |
| 14 | { | |
| 15 | int std = 1; | |
| 16 | char *progname; | |
| b0fb34bd SL |
17 | FILE *fin; |
| 18 | ||
| 248f44a0 SL |
19 | progname = argv[0]; |
| 20 | for (argc--, argv++; argc > 0; argc--, argv++) { | |
| 21 | if (argv[0][0] == '-') { | |
| 22 | switch (argv[0][1]) { | |
| 23 | case 'l': | |
| 24 | deltx = atoi(&argv[0][2]) - 1; | |
| 25 | break; | |
| 26 | case 'w': | |
| 27 | delty = atoi(&argv[0][2]) - 1; | |
| 28 | break; | |
| 29 | case 'r': | |
| 30 | PlotRes = atoi(&argv[0][2]); | |
| 31 | break; | |
| b0fb34bd | 32 | } |
| 248f44a0 SL |
33 | continue; |
| 34 | } | |
| 35 | std = 0; | |
| 36 | fin = fopen(argv[0], "r"); | |
| 37 | if (fin == NULL) { | |
| 38 | fprintf(stderr, "%s: can't open %s\n", progname, | |
| 39 | argv[0]); | |
| 40 | exit(1); | |
| b0fb34bd | 41 | } |
| 248f44a0 SL |
42 | fplt(fin); |
| 43 | fclose(fin); | |
| 44 | } | |
| b0fb34bd | 45 | if (std) |
| 248f44a0 | 46 | fplt(stdin); |
| b0fb34bd | 47 | exit(0); |
| 248f44a0 | 48 | } |
| b0fb34bd | 49 | |
| 248f44a0 SL |
50 | fplt(fin) |
| 51 | FILE *fin; | |
| 52 | { | |
| 53 | register int c; | |
| b0fb34bd SL |
54 | char s[256]; |
| 55 | int xi,yi,x0,y0,x1,y1,r,dx,n,i; | |
| 56 | int pat[256]; | |
| 57 | ||
| 58 | openpl(); | |
| 248f44a0 SL |
59 | while((c = getc(fin)) != EOF) { |
| 60 | switch(c) { | |
| b0fb34bd SL |
61 | case 'm': |
| 62 | xi = getsi(fin); | |
| 63 | yi = getsi(fin); | |
| 64 | move(xi,yi); | |
| 65 | break; | |
| 66 | case 'l': | |
| 67 | x0 = getsi(fin); | |
| 68 | y0 = getsi(fin); | |
| 69 | x1 = getsi(fin); | |
| 70 | y1 = getsi(fin); | |
| 71 | line(x0,y0,x1,y1); | |
| 72 | break; | |
| 73 | case 't': | |
| e24c105d | 74 | getstr(s,fin); |
| b0fb34bd SL |
75 | label(s); |
| 76 | break; | |
| 77 | case 'e': | |
| 78 | erase(); | |
| 79 | break; | |
| 80 | case 'p': | |
| 81 | xi = getsi(fin); | |
| 82 | yi = getsi(fin); | |
| 83 | point(xi,yi); | |
| 84 | break; | |
| 85 | case 'n': | |
| 86 | xi = getsi(fin); | |
| 87 | yi = getsi(fin); | |
| 88 | cont(xi,yi); | |
| 89 | break; | |
| 90 | case 's': | |
| 91 | x0 = getsi(fin); | |
| 92 | y0 = getsi(fin); | |
| 93 | x1 = getsi(fin); | |
| 94 | y1 = getsi(fin); | |
| 95 | space(x0,y0,x1,y1); | |
| 96 | break; | |
| 97 | case 'a': | |
| 98 | xi = getsi(fin); | |
| 99 | yi = getsi(fin); | |
| 100 | x0 = getsi(fin); | |
| 101 | y0 = getsi(fin); | |
| 102 | x1 = getsi(fin); | |
| 103 | y1 = getsi(fin); | |
| 104 | arc(xi,yi,x0,y0,x1,y1); | |
| 105 | break; | |
| 106 | case 'c': | |
| 107 | xi = getsi(fin); | |
| 108 | yi = getsi(fin); | |
| 109 | r = getsi(fin); | |
| 110 | circle(xi,yi,r); | |
| 111 | break; | |
| 112 | case 'f': | |
| e24c105d | 113 | getstr(s,fin); |
| b0fb34bd SL |
114 | linemod(s); |
| 115 | break; | |
| 116 | case 'd': | |
| 117 | xi = getsi(fin); | |
| 118 | yi = getsi(fin); | |
| 119 | dx = getsi(fin); | |
| 120 | n = getsi(fin); | |
| 248f44a0 SL |
121 | for(i=0; i<n; i++) |
| 122 | pat[i] = getsi(fin); | |
| b0fb34bd SL |
123 | dot(xi,yi,dx,n,pat); |
| 124 | break; | |
| b0fb34bd | 125 | } |
| b0fb34bd | 126 | } |
| 248f44a0 SL |
127 | closepl(); |
| 128 | } | |
| 129 | ||
| 130 | /* get an integer stored in 2 ascii bytes. */ | |
| 131 | getsi(fin) | |
| 132 | register FILE *fin; | |
| 133 | { | |
| b0fb34bd | 134 | short a, b; |
| 248f44a0 | 135 | |
| b0fb34bd SL |
136 | if((b = getc(fin)) == EOF) |
| 137 | return(EOF); | |
| 138 | if((a = getc(fin)) == EOF) | |
| 139 | return(EOF); | |
| 140 | a = a<<8; | |
| 141 | return(a|b); | |
| 142 | } | |
| 248f44a0 SL |
143 | |
| 144 | getstr(s, fin) | |
| 145 | register char *s; | |
| 146 | register FILE *fin; | |
| 147 | { | |
| 148 | ||
| b0fb34bd SL |
149 | for( ; *s = getc(fin); s++) |
| 150 | if(*s == '\n') | |
| 151 | break; | |
| 152 | *s = '\0'; | |
| b0fb34bd | 153 | } |