xref: /original-bsd/lib/libplot/imagen/space.c (revision 93ab02a6)
1 /*-
2  * Copyright (c) 1985 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.proprietary.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)space.c	5.3 (Berkeley) 04/22/91";
10 #endif /* not lint */
11 
12 extern float botx;
13 extern float boty;
14 extern float obotx;
15 extern float oboty;
16 extern float scalex;
17 extern float scaley;
18 
19 int PlotRes = DEFRES;
20 
21 int scaleflag;
22 space(x0,y0,x1,y1){
23 	botx = 2.;
24 	boty = 2.;
25 	obotx = x0;
26 	oboty = y0;
27 	if(scaleflag)
28 		return;
29 	scalex = (8.0 * PlotRes)/(x1-x0);
30 	scaley = (8.0 * PlotRes)/(y1-y0);
31 }
32