1 /* $NetBSD: box.h,v 1.1.1.1 2003/12/26 17:57:03 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * box.C: Single box utilities; A box is an entity with four edges, four 41 * corners, and a center that maps directly to a board 42 */ 43 44 #ifndef _H_BOX 45 #define _H_BOX 46 47 #include <stdlib.h> 48 49 class BOARD; 50 51 class POINT { 52 public: 53 int x; 54 int y; 55 }; 56 57 class BOX { 58 public: 59 enum EDGE { 60 first = 0, 61 top = 0, 62 bottom = 1, 63 left = 2, 64 right = 3, 65 last = 4, 66 }; 67 68 BOX(size_t py, size_t px, BOARD& b); 69 70 void reset(void); // Clear a box 71 void paint(void); // Paint a box 72 73 // Member access 74 int& name(void); 75 int& edge(int e); 76 77 // Edge maniputations 78 void set(int e); 79 void clr(int e); 80 int isset(int e) const; 81 82 int count(void) const; // Count the number of edges in use 83 84 // Useful constants 85 // Relative coordinates of the edges from the center of the box. 86 static const POINT edges[BOX::last]; 87 // Relative coordinates of the corners from the center of the box. 88 static const POINT corners[BOX::last]; 89 // Character symbols of the four edges 90 static const int syms[BOX::last]; 91 92 private: 93 void addcorner(size_t y, size_t x); // add a corner character 94 95 size_t _centerx; // Coordinates of the center in board units 96 size_t _centery; 97 BOARD& _b; // The board we refer to 98 }; 99 100 #endif 101