xref: /onnv-gate/usr/src/lib/libplot/t450/common/open.c (revision 0:68f95e015346)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.3	*/
28 
29 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
30 /*	  All Rights Reserved  	*/
31 
32 
33 #include <signal.h>
34 #include <unistd.h>
35 #include <stdio.h>
36 #include "con.h"
37 
38 
39 float botx = 0.0, boty = 0.0, obotx = 0.0, oboty = 0.0;
40 float scalex = 1.0, scaley = 1.0;
41 static float HEIGHT = 6.0, WIDTH = 6.0, OFFSET = 0.0;
42 int xscale = 0, xoffset = 0, yscale = 0;
43 struct termio ITTY, PTTY;
44 
45 void
openpl(void)46 openpl(void)
47 {
48 	int OUTF = 1;
49 	(void) printf("\r");
50 	(void) ioctl(OUTF, TCGETA, &ITTY);
51 	(void) signal(SIGINT, (void (*)(int))reset);
52 	PTTY = ITTY;
53 	PTTY.c_oflag &= ~(ONLCR|OCRNL|ONOCR|ONLRET);
54 	PTTY.c_cflag |= CSTOPB;
55 	(void) ioctl(OUTF, TCSETAW, &PTTY);
56 	/* set vert and horiz spacing to 6 and 10 */
57 	(void) putchar(ESC);	/* set vert spacing to 6 lpi */
58 	(void) putchar(RS);
59 	(void) putchar(HT);
60 	(void) putchar(ESC);	/* set horiz spacing to 10 cpi */
61 	(void) putchar(US);
62 	(void) putchar(CR);
63 	/* initialize constants */
64 	xscale  = (int)(4096./(HORZRESP * WIDTH));
65 	yscale = (int)(4096 /(VERTRESP * HEIGHT));
66 	xoffset = (int)(OFFSET * HORZRESP);
67 }
68 
69 void
openvt(void)70 openvt(void)
71 {
72 	openpl();
73 }
74