1 /* $NetBSD: box.h,v 1.2 2008/04/28 20:22:53 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * box.C: Single box utilities; A box is an entity with four edges, four 34 * corners, and a center that maps directly to a board 35 */ 36 37 #ifndef _H_BOX 38 #define _H_BOX 39 40 #include <stdlib.h> 41 42 class BOARD; 43 44 class POINT { 45 public: 46 int x; 47 int y; 48 }; 49 50 class BOX { 51 public: 52 enum EDGE { 53 first = 0, 54 top = 0, 55 bottom = 1, 56 left = 2, 57 right = 3, 58 last = 4, 59 }; 60 61 BOX(size_t py, size_t px, BOARD& b); 62 63 void reset(void); // Clear a box 64 void paint(void); // Paint a box 65 66 // Member access 67 int& name(void); 68 int& edge(int e); 69 70 // Edge maniputations 71 void set(int e); 72 void clr(int e); 73 int isset(int e) const; 74 75 int count(void) const; // Count the number of edges in use 76 77 // Useful constants 78 // Relative coordinates of the edges from the center of the box. 79 static const POINT edges[BOX::last]; 80 // Relative coordinates of the corners from the center of the box. 81 static const POINT corners[BOX::last]; 82 // Character symbols of the four edges 83 static const int syms[BOX::last]; 84 85 private: 86 void addcorner(size_t y, size_t x); // add a corner character 87 88 size_t _centerx; // Coordinates of the center in board units 89 size_t _centery; 90 BOARD& _b; // The board we refer to 91 }; 92 93 #endif 94