1 /* @(#)wwbox.c 8.1 (Berkeley) 6/6/93 */
2 /* $NetBSD: wwbox.c,v 1.6 2003/08/07 11:17:36 agc Exp $ */
3
4 /*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "ww.h"
37 #include "tt.h"
38
39 void
wwbox(struct ww * w,int r,int c,int nr,int nc)40 wwbox(struct ww *w, int r, int c, int nr, int nc)
41 {
42 int r1, c1;
43 int i;
44
45 r1 = r + nr - 1;
46 c1 = c + nc - 1;
47 wwframec(w, r, c, WWF_D|WWF_R);
48 for (i = c + 1; i < c1; i++)
49 wwframec(w, r, i, WWF_L|WWF_R);
50 wwframec(w, r, i, WWF_L|WWF_D);
51 for (i = r + 1; i < r1; i++)
52 wwframec(w, i, c1, WWF_U|WWF_D);
53 wwframec(w, i, c1, WWF_U|WWF_L);
54 for (i = c1 - 1; i > c; i--)
55 wwframec(w, r1, i, WWF_R|WWF_L);
56 wwframec(w, r1, i, WWF_R|WWF_U);
57 for (i = r1 - 1; i > r; i--)
58 wwframec(w, i, c, WWF_D|WWF_U);
59 }
60