4.3BSD - /usr/src/usr.lib/libplot/t4013/scale.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)scale.c	5.1 (Berkeley) 6/7/85";
   9: #endif not lint
  10: 
  11: extern float scalex;
  12: extern float scaley;
  13: extern int scaleflag;
  14: scale(i,x,y)
  15: char i;
  16: float x,y;
  17: {
  18:     switch(i) {
  19:     default:
  20:         return;
  21:     case 'c':
  22:         x *= 2.54;
  23:         y *= 2.54;
  24:     case 'i':
  25:         x /= 200;
  26:         y /= 200;
  27:     case 'u':
  28:         scalex = 1/x;
  29:         scaley = 1/y;
  30:     }
  31:     scaleflag = 1;
  32: }

Defined functions

Defined variables