4.3BSD - /usr/src/usr.lib/lib2648/line.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[] = "@(#)line.c	5.1 (Berkeley) 4/30/85";
   9: #endif not lint
  10: 
  11: /*
  12:  * line: draw a line from point 1 to point 2.
  13:  */
  14: 
  15: #include "2648.h"
  16: 
  17: line(x1, y1, x2, y2)
  18: int x1, y1, x2, y2;
  19: {
  20: #ifdef TRACE
  21:     if (trace)
  22:         fprintf(trace, "line((%d, %d), (%d, %d)),", x1, y1, x2, y2);
  23: #endif
  24:     if (x1==_penx && y1==_peny) {
  25:         /*
  26: 		 * Get around a bug in the HP terminal where one point
  27: 		 * lines don't get drawn more than once.
  28: 		 */
  29:         move(x1, y1+1);
  30:         sync();
  31:     }
  32:     move(x1, y1);
  33:     draw(x2, y2);
  34: }

Defined functions

Defined variables