1 /*- 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)open.c 5.2 (Berkeley) 04/22/91"; 10 #endif /* not lint */ 11 12 #include <sgtty.h> 13 #include "hp2648.h" 14 15 int shakehands; 16 int currentx; 17 int currenty; 18 int buffcount; 19 int fildes; 20 float lowx; 21 float lowy; 22 float scalex; 23 float scaley; 24 struct sgttyb sarg; 25 26 openpl() 27 { 28 if ( isatty(fileno( stdout )) ) { 29 shakehands = TRUE; 30 fildes = open(TERMINAL, 0); 31 gtty(fildes, &sarg); 32 sarg.sg_flags = sarg.sg_flags | RAW; 33 stty(fildes, &sarg); 34 sarg.sg_flags = sarg.sg_flags & ~RAW; 35 } 36 else { 37 shakehands = FALSE; 38 } 39 buffcount = 0; 40 currentx = 0; 41 currenty = 0; 42 buffready(8); 43 putchar(ESC); 44 putchar(GRAPHIC); 45 putchar(DISPLAY); 46 putchar('c'); 47 putchar(ESC); 48 putchar(GRAPHIC); 49 putchar(PLOT); 50 putchar(BINARY); 51 space(0,0,720,360); 52 } 53