projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c872e05 | 1 | /* @(#)wwredrawwin.c 8.1 (Berkeley) 6/6/93 */ |
| abecab39 SW |
2 | /* $NetBSD: wwredrawwin.c,v 1.7 2003/08/07 11:17:44 agc Exp $ */ |
| 3 | ||
| 984263bc MD |
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. | |
| abecab39 | 19 | * 3. Neither the name of the University nor the names of its contributors |
| 984263bc MD |
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 | ||
| 984263bc MD |
36 | #include "ww.h" |
| 37 | ||
| abecab39 SW |
38 | void |
| 39 | wwredrawwin1(struct ww *w, int row1, int row2, int offset) | |
| 984263bc MD |
40 | { |
| 41 | int row; | |
| abecab39 SW |
42 | int col; |
| 43 | unsigned char *smap; | |
| 44 | union ww_char *buf; | |
| 45 | char *win; | |
| 46 | union ww_char *ns; | |
| 984263bc MD |
47 | int x; |
| 48 | int nchanged; | |
| 49 | ||
| 50 | for (row = row1; row < row2; row++) { | |
| 51 | col = w->ww_i.l; | |
| 52 | ns = wwns[row]; | |
| 53 | smap = &wwsmap[row][col]; | |
| 54 | buf = w->ww_buf[row + offset]; | |
| 55 | win = w->ww_win[row]; | |
| 56 | nchanged = 0; | |
| 57 | for (; col < w->ww_i.r; col++) | |
| 58 | if (*smap++ == w->ww_index && | |
| 59 | ns[col].c_w != | |
| 60 | (x = buf[col].c_w ^ win[col] << WWC_MSHIFT)) { | |
| 61 | nchanged++; | |
| 62 | ns[col].c_w = x; | |
| 63 | } | |
| 64 | if (nchanged > 0) | |
| 65 | wwtouched[row] |= WWU_TOUCHED; | |
| 66 | } | |
| 67 | } |