BSD 4_3 release

[unix-history] / usr / src / usr.lib / libplot / imagen / scale.c

/*
* Copyright (c) 1985 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/

#ifndef lint
static char sccsid[] = "@(#)scale.c     5.1 (Berkeley) 9/21/85";
#endif not lint

extern float scalex;
extern float scaley;
extern int scaleflag;
scale(i,x,y)
char i;
float x,y;
{
       switch(i) {
       default:
               return;
       case 'c':
               x *= 2.54;
               y *= 2.54;
       case 'i':
               x /= 200;
               y /= 200;
       case 'u':
               scalex = 1/x;
               scaley = 1/y;
       }
       scaleflag = 1;
}