xref: /onnv-gate/usr/src/lib/libplot/t300/common/open.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
28*0Sstevel@tonic-gate  * Use is subject to license terms.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.3	*/
32*0Sstevel@tonic-gate /*LINTLIBRARY*/
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include <unistd.h>
35*0Sstevel@tonic-gate #include <signal.h>
36*0Sstevel@tonic-gate #include <stdio.h>
37*0Sstevel@tonic-gate #include "con.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate static float HEIGHT = 6.0, WIDTH = 6.0, OFFSET = 0.0;
41*0Sstevel@tonic-gate float botx = 0.0, boty = 0.0, obotx = 0.0, oboty = 0.0;
42*0Sstevel@tonic-gate float scalex = 1.0, scaley = 1.0;
43*0Sstevel@tonic-gate int OUTF, xscale, yscale, xoffset;
44*0Sstevel@tonic-gate struct termio ITTY, PTTY;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate void
openpl(void)47*0Sstevel@tonic-gate openpl(void)
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate 	xnow = ynow = 0;
50*0Sstevel@tonic-gate 	OUTF = 1;
51*0Sstevel@tonic-gate 	(void) printf("\r");
52*0Sstevel@tonic-gate 	(void) ioctl(OUTF, TCGETA, &ITTY);
53*0Sstevel@tonic-gate 	(void) signal(SIGINT, (void (*)(int))reset);
54*0Sstevel@tonic-gate 	PTTY = ITTY;
55*0Sstevel@tonic-gate 	PTTY.c_oflag &= ~(ONLCR|OCRNL|ONOCR|ONLRET);
56*0Sstevel@tonic-gate 	PTTY.c_cflag |= CSTOPB;
57*0Sstevel@tonic-gate 	(void) ioctl(OUTF, TCSETAW, &PTTY);
58*0Sstevel@tonic-gate 	/* initialize constants */
59*0Sstevel@tonic-gate 	xscale = (int)(4096./(HORZRESP * WIDTH));
60*0Sstevel@tonic-gate 	yscale = (int)(4096 /(VERTRESP * HEIGHT));
61*0Sstevel@tonic-gate 	xoffset = (int)(OFFSET * HORZRESP);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate void
openvt(void)65*0Sstevel@tonic-gate openvt(void)
66*0Sstevel@tonic-gate {
67*0Sstevel@tonic-gate 	openpl();
68*0Sstevel@tonic-gate }
69