4.3BSD - /usr/src/usr.lib/libplot/gigi/open.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[] = "@(#)open.c	5.1 (Berkeley) 5/7/85";
   9: #endif not lint
  10: 
  11: /*
  12:  * Displays plot files on a gigi "graphics" terminal.
  13:  */
  14: 
  15: #include <signal.h>
  16: #include "gigi.h"
  17: 
  18: int currentx = 0;
  19: int currenty = 0;
  20: double lowx = 0.0;
  21: double lowy = 0.0;
  22: double scalex = 1.0;
  23: double scaley = 1.0;
  24: 
  25: openpl()
  26: {
  27:     int closepl();
  28: 
  29:     /* catch interupts */
  30:     signal(SIGINT, closepl);
  31:     currentx = 0;
  32:     currenty = 0;
  33:     /* enter grapics mode */
  34:     putchar(ESC); putchar('P'); putchar('p');
  35: 
  36:     /* set some parameters */
  37:     printf("S(I0 T0 [0,0])");
  38: 
  39:     space(0, 0, XMAX, YMAX);
  40: }

Defined functions

Defined variables