4.3BSD - /usr/src/usr.lib/libplot/hp7221/hp7221.h

   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:  *	@(#)hp7221.h	5.1 (Berkeley) 5/7/85
   7:  *
   8:  *
   9:  * Displays plot files on an HP7221 plotter.
  10:  * Cloned from bgplot.c and gigiplot.c by Jim Kleckner
  11:  * Thu Jun 30 13:35:04 PDT 1983
  12:  *  Requires a handshaking program such as hp7221cat to get
  13:  *  the plotter open and ready.
  14:  */
  15: 
  16: #include <stdio.h>
  17: #include <math.h>
  18: 
  19: #define ESC 033
  20: #define PI  3.141592659
  21: #define ENDOFSTRING 03
  22: 
  23: /* The graphics address range is 0..XMAX, 0..YMAX. */
  24: #define XMAX    1800
  25: #define YMAX    1800
  26: 
  27: #define scaleX(xi)  ((int) ((xi - lowx)*scale +0.5))
  28: #define scaleY(yi)  ((int) ((yi - lowy)*scale +0.5))
  29: 
  30: extern int currentx;
  31: extern int currenty;
  32: extern double lowx;
  33: extern double lowy;
  34: extern double scale;

Defined macros

Usage of this include