65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
//
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// ZoneMinder Coordinate Class Interface, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#ifndef ZM_COORD_H
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#define ZM_COORD_H
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#include "zm_define.h"
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//
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// Class used for storing an x,y pair, i.e. a coordinate
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//
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class Coord {
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private:
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int x, y;
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public:
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inline Coord() : x(0), y(0) { }
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inline Coord( int p_x, int p_y ) : x(p_x), y(p_y) { }
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inline Coord( const Coord &p_coord ) : x(p_coord.x), y(p_coord.y) { }
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inline Coord &operator =( const Coord &coord ) {
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x = coord.x;
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y = coord.y;
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return *this;
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}
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inline int &X(int p_x) { x=p_x; return x; }
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inline const int &X() const { return x; }
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inline int &Y(int p_y) { y=p_y; return y; }
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inline const int &Y() const { return y; }
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inline static Coord Range( const Coord &coord1, const Coord &coord2 ) {
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Coord result( (coord1.x-coord2.x)+1, (coord1.y-coord2.y)+1 );
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return result;
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}
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inline bool operator==( const Coord &coord ) const { return( x == coord.x && y == coord.y ); }
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inline bool operator!=( const Coord &coord ) const { return( x != coord.x || y != coord.y ); }
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inline bool operator>( const Coord &coord ) const { return( x > coord.x && y > coord.y ); }
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inline bool operator>=( const Coord &coord ) const { return( !(operator<(coord)) ); }
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inline bool operator<( const Coord &coord ) const { return( x < coord.x && y < coord.y ); }
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inline bool operator<=( const Coord &coord ) const { return( !(operator>(coord)) ); }
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inline Coord &operator+=( const Coord &coord ) { x += coord.x; y += coord.y; return( *this ); }
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inline Coord &operator-=( const Coord &coord ) { x -= coord.x; y -= coord.y; return( *this ); }
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inline friend Coord operator+( const Coord &coord1, const Coord &coord2 ) { Coord result( coord1 ); result += coord2; return( result ); }
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inline friend Coord operator-( const Coord &coord1, const Coord &coord2 ) { Coord result( coord1 ); result -= coord2; return( result ); }
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};
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#endif // ZM_COORD_H
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