1 /*- 2 * Copyright (c) 1985, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)scale.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* not lint */ 11 12 extern float scalex; 13 extern float scaley; 14 extern int scaleflag; 15 scale(i,x,y) 16 char i; 17 float x,y; 18 { 19 switch(i) { 20 default: 21 return; 22 case 'c': 23 x *= 2.54; 24 y *= 2.54; 25 case 'i': 26 x /= 200; 27 y /= 200; 28 case 'u': 29 scalex = 1/x; 30 scaley = 1/y; 31 } 32 scaleflag = 1; 33 } 34