101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
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/* $NetBSD: box.h,v 1.1.1.1 2003/12/26 17:57:03 christos Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* box.C: Single box utilities; A box is an entity with four edges, four
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* corners, and a center that maps directly to a board
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*/
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#ifndef _H_BOX
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#define _H_BOX
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#include <stdlib.h>
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class BOARD;
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class POINT {
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public:
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int x;
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int y;
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};
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class BOX {
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public:
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enum EDGE {
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first = 0,
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top = 0,
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bottom = 1,
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left = 2,
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right = 3,
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last = 4,
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};
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BOX(size_t py, size_t px, BOARD& b);
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void reset(void); // Clear a box
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void paint(void); // Paint a box
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// Member access
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int& name(void);
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int& edge(int e);
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// Edge maniputations
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void set(int e);
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void clr(int e);
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int isset(int e) const;
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int count(void) const; // Count the number of edges in use
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// Useful constants
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// Relative coordinates of the edges from the center of the box.
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static const POINT edges[BOX::last];
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// Relative coordinates of the corners from the center of the box.
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static const POINT corners[BOX::last];
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// Character symbols of the four edges
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static const int syms[BOX::last];
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private:
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void addcorner(size_t y, size_t x); // add a corner character
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size_t _centerx; // Coordinates of the center in board units
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size_t _centery;
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BOARD& _b; // The board we refer to
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};
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#endif
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