xref: /onnv-gate/usr/src/lib/libplot/vt0/common/line.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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright (c) 1997, by Sun Microsystems, Inc.
28  */
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
31 /*LINTLIBRARY*/
32 
33 #include <unistd.h>
34 #include <plot.h>
35 #include "con.h"
36 
37 int xnow, ynow;
38 
39 void
line(short x0,short y0,short x1,short y1)40 line(short x0, short y0, short x1, short y1)
41 {
42 	struct {char x, c; short x0, y0, x1, y1; } p;
43 	p.c = 3;
44 	p.x0 = xsc(x0);
45 	p.y0 = ysc(y0);
46 	p.x1 = xnow = xsc(x1);
47 	p.y1 = ynow = ysc(y1);
48 	(void) write(vti, &p.c, 9);
49 }
50 
51 void
cont(short x0,short y0)52 cont(short x0, short y0)
53 {
54 	line(xnow, ynow, xsc(x0), ysc(y0));
55 }
56