projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b0fb34bd | 1 | #ifndef lint |
| 0f4556f1 | 2 | static char sccsid[] = "@(#)driver.c 4.1 (Berkeley) 8/11/83"; |
| b0fb34bd SL |
3 | #endif |
| 4 | ||
| 5 | #include <stdio.h> | |
| 6 | ||
| 7 | float deltx; | |
| 8 | float delty; | |
| 9 | ||
| 10 | main(argc,argv) char **argv; { | |
| 11 | int std=1; | |
| 12 | FILE *fin; | |
| 13 | ||
| 14 | while(argc-- > 1) { | |
| 15 | if(*argv[1] == '-') | |
| 16 | switch(argv[1][1]) { | |
| 17 | case 'l': | |
| 18 | deltx = atoi(&argv[1][2]) - 1; | |
| 19 | break; | |
| 20 | case 'w': | |
| 21 | delty = atoi(&argv[1][2]) - 1; | |
| 22 | break; | |
| 23 | } | |
| 24 | ||
| 25 | else { | |
| 26 | std = 0; | |
| 27 | if ((fin = fopen(argv[1], "r")) == NULL) { | |
| 28 | fprintf(stderr, "can't open %s\n", argv[1]); | |
| 29 | exit(1); | |
| 30 | } | |
| 31 | fplt(fin); | |
| 32 | } | |
| 33 | argv++; | |
| 34 | } | |
| 35 | if (std) | |
| 36 | fplt( stdin ); | |
| 37 | exit(0); | |
| 38 | } | |
| 39 | ||
| 40 | ||
| 41 | fplt(fin) FILE *fin; { | |
| 42 | int c; | |
| 43 | char s[256]; | |
| 44 | int xi,yi,x0,y0,x1,y1,r,dx,n,i; | |
| 45 | int pat[256]; | |
| 46 | ||
| 47 | openpl(); | |
| 48 | while((c=getc(fin)) != EOF){ | |
| 49 | switch(c){ | |
| 50 | case 'm': | |
| 51 | xi = getsi(fin); | |
| 52 | yi = getsi(fin); | |
| 53 | move(xi,yi); | |
| 54 | break; | |
| 55 | case 'l': | |
| 56 | x0 = getsi(fin); | |
| 57 | y0 = getsi(fin); | |
| 58 | x1 = getsi(fin); | |
| 59 | y1 = getsi(fin); | |
| 60 | line(x0,y0,x1,y1); | |
| 61 | break; | |
| 62 | case 't': | |
| 63 | gets(s,fin); | |
| 64 | label(s); | |
| 65 | break; | |
| 66 | case 'e': | |
| 67 | erase(); | |
| 68 | break; | |
| 69 | case 'p': | |
| 70 | xi = getsi(fin); | |
| 71 | yi = getsi(fin); | |
| 72 | point(xi,yi); | |
| 73 | break; | |
| 74 | case 'n': | |
| 75 | xi = getsi(fin); | |
| 76 | yi = getsi(fin); | |
| 77 | cont(xi,yi); | |
| 78 | break; | |
| 79 | case 's': | |
| 80 | x0 = getsi(fin); | |
| 81 | y0 = getsi(fin); | |
| 82 | x1 = getsi(fin); | |
| 83 | y1 = getsi(fin); | |
| 84 | space(x0,y0,x1,y1); | |
| 85 | break; | |
| 86 | case 'a': | |
| 87 | xi = getsi(fin); | |
| 88 | yi = getsi(fin); | |
| 89 | x0 = getsi(fin); | |
| 90 | y0 = getsi(fin); | |
| 91 | x1 = getsi(fin); | |
| 92 | y1 = getsi(fin); | |
| 93 | arc(xi,yi,x0,y0,x1,y1); | |
| 94 | break; | |
| 95 | case 'c': | |
| 96 | xi = getsi(fin); | |
| 97 | yi = getsi(fin); | |
| 98 | r = getsi(fin); | |
| 99 | circle(xi,yi,r); | |
| 100 | break; | |
| 101 | case 'f': | |
| 102 | gets(s,fin); | |
| 103 | linemod(s); | |
| 104 | break; | |
| 105 | case 'd': | |
| 106 | xi = getsi(fin); | |
| 107 | yi = getsi(fin); | |
| 108 | dx = getsi(fin); | |
| 109 | n = getsi(fin); | |
| 110 | for(i=0; i<n; i++)pat[i] = getsi(fin); | |
| 111 | dot(xi,yi,dx,n,pat); | |
| 112 | break; | |
| 113 | } | |
| 114 | } | |
| 115 | closepl(); | |
| 116 | } | |
| 117 | getsi(fin) FILE *fin; { /* get an integer stored in 2 ascii bytes. */ | |
| 118 | short a, b; | |
| 119 | if((b = getc(fin)) == EOF) | |
| 120 | return(EOF); | |
| 121 | if((a = getc(fin)) == EOF) | |
| 122 | return(EOF); | |
| 123 | a = a<<8; | |
| 124 | return(a|b); | |
| 125 | } | |
| 126 | gets(s,fin) char *s; FILE *fin; { | |
| 127 | for( ; *s = getc(fin); s++) | |
| 128 | if(*s == '\n') | |
| 129 | break; | |
| 130 | *s = '\0'; | |
| 131 | return; | |
| 132 | } |