Commit | Line | Data |
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b0fb34bd | 1 | #ifndef lint |
e24c105d | 2 | static char sccsid[] = "@(#)driver.c 4.3 (Berkeley) %G%"; |
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); | |
f1c69d41 | 32 | fclose(fin); |
b0fb34bd SL |
33 | } |
34 | argv++; | |
35 | } | |
36 | if (std) | |
37 | fplt( stdin ); | |
38 | exit(0); | |
39 | } | |
40 | ||
41 | ||
42 | fplt(fin) FILE *fin; { | |
43 | int c; | |
44 | char s[256]; | |
45 | int xi,yi,x0,y0,x1,y1,r,dx,n,i; | |
46 | int pat[256]; | |
47 | ||
48 | openpl(); | |
49 | while((c=getc(fin)) != EOF){ | |
50 | switch(c){ | |
51 | case 'm': | |
52 | xi = getsi(fin); | |
53 | yi = getsi(fin); | |
54 | move(xi,yi); | |
55 | break; | |
56 | case 'l': | |
57 | x0 = getsi(fin); | |
58 | y0 = getsi(fin); | |
59 | x1 = getsi(fin); | |
60 | y1 = getsi(fin); | |
61 | line(x0,y0,x1,y1); | |
62 | break; | |
63 | case 't': | |
e24c105d | 64 | getstr(s,fin); |
b0fb34bd SL |
65 | label(s); |
66 | break; | |
67 | case 'e': | |
68 | erase(); | |
69 | break; | |
70 | case 'p': | |
71 | xi = getsi(fin); | |
72 | yi = getsi(fin); | |
73 | point(xi,yi); | |
74 | break; | |
75 | case 'n': | |
76 | xi = getsi(fin); | |
77 | yi = getsi(fin); | |
78 | cont(xi,yi); | |
79 | break; | |
80 | case 's': | |
81 | x0 = getsi(fin); | |
82 | y0 = getsi(fin); | |
83 | x1 = getsi(fin); | |
84 | y1 = getsi(fin); | |
85 | space(x0,y0,x1,y1); | |
86 | break; | |
87 | case 'a': | |
88 | xi = getsi(fin); | |
89 | yi = getsi(fin); | |
90 | x0 = getsi(fin); | |
91 | y0 = getsi(fin); | |
92 | x1 = getsi(fin); | |
93 | y1 = getsi(fin); | |
94 | arc(xi,yi,x0,y0,x1,y1); | |
95 | break; | |
96 | case 'c': | |
97 | xi = getsi(fin); | |
98 | yi = getsi(fin); | |
99 | r = getsi(fin); | |
100 | circle(xi,yi,r); | |
101 | break; | |
102 | case 'f': | |
e24c105d | 103 | getstr(s,fin); |
b0fb34bd SL |
104 | linemod(s); |
105 | break; | |
106 | case 'd': | |
107 | xi = getsi(fin); | |
108 | yi = getsi(fin); | |
109 | dx = getsi(fin); | |
110 | n = getsi(fin); | |
111 | for(i=0; i<n; i++)pat[i] = getsi(fin); | |
112 | dot(xi,yi,dx,n,pat); | |
113 | break; | |
114 | } | |
115 | } | |
116 | closepl(); | |
117 | } | |
118 | getsi(fin) FILE *fin; { /* get an integer stored in 2 ascii bytes. */ | |
119 | short a, b; | |
120 | if((b = getc(fin)) == EOF) | |
121 | return(EOF); | |
122 | if((a = getc(fin)) == EOF) | |
123 | return(EOF); | |
124 | a = a<<8; | |
125 | return(a|b); | |
126 | } | |
e24c105d | 127 | getstr(s,fin) char *s; FILE *fin; { |
b0fb34bd SL |
128 | for( ; *s = getc(fin); s++) |
129 | if(*s == '\n') | |
130 | break; | |
131 | *s = '\0'; | |
b0fb34bd | 132 | } |