1 /* Plotting functions for v8 and v9 systems */
2 /* This file is an alternative to plot.h */
3 
4 /* open the plotting output */
5 #define openpl()  print("o\n")
6 
7 /* close the plotting output */
8 #define closepl()  print("cl\n")
9 
10 /* make sure the page or screen is clear */
11 #define erase() print("e\n")
12 
13 /* plot a point at _x,_y, which becomes current */
14 #define point(_x,_y)  print("poi %d %d\n", _x,_y)
15 
16 /* coordinates to be assigned to lower left and upper right
17    corners of (square) plotting area */
18 #define range(_x,_y,_X,_Y)  print("ra %d %d %d %d\n", _x,_y,_X,_Y)
19 
20 /* place text, first letter at current point, which does not change */
21 #define text(_s)  {if(*(_s) == ' ')print("t \"%s\"\n",_s); else print("t %s\n", _s); }
22 
23 /* draw line from current point to _x,_y, which becomes current */
24 #define vec(_x,_y)  print("v %d %d\n", _x,_y)
25 
26 /* _x,_y becomes current point */
27 #define move(_x, _y)  print("m %d %d\n", _x, _y)
28 
29 /* specify style for drawing lines */
30 
31 #define SOLID "solid"
32 #define DOTTED "dotted"
33 #define DASHED "dashed"
34 #define DOTDASH "dotdash"
35 
36 #define pen(_s)  print("pe %s\n", _s)
37 
38 #define BLACK "z"
39 #define RED "r"
40 #define YELLOW "y"
41 #define GREEN "g"
42 #define BLUE "b"
43 #define CYAN "c"
44 #define MAGENTA "m"
45 #define WHITE "w"
46 
47 #define colorcode(_s) ((strcmp(_s,"black")==0)?BLACK:_s)
48 
49 #define colorx(_s) print("co %s\n", _s);	/* funny name is all ken's fault */
50 
51 #define comment(s,f)