Commit | Line | Data |
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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 | } |