71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
//
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// ZoneMinder Box Class Interfaces, $Date$, $Revision$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#ifndef ZM_BOX_H
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#define ZM_BOX_H
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#include "zm.h"
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#include "zm_coord.h"
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#include <math.h>
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//
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// Class used for storing a box, which is defined as a region
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// defined by two coordinates
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//
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class Box
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{
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private:
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Coord lo, hi;
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Coord size;
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public:
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inline Box()
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{
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}
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inline Box( int p_size ) : lo( 0, 0 ), hi ( p_size-1, p_size-1 ), size( Coord::Range( hi, lo ) ) { }
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inline Box( int p_x_size, int p_y_size ) : lo( 0, 0 ), hi ( p_x_size-1, p_y_size-1 ), size( Coord::Range( hi, lo ) ) { }
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inline Box( int lo_x, int lo_y, int hi_x, int hi_y ) : lo( lo_x, lo_y ), hi( hi_x, hi_y ), size( Coord::Range( hi, lo ) ) { }
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inline Box( const Coord &p_lo, const Coord &p_hi ) : lo( p_lo ), hi( p_hi ), size( Coord::Range( hi, lo ) ) { }
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inline const Coord &Lo() const { return( lo ); }
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inline int LoX() const { return( lo.X() ); }
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inline int LoY() const { return( lo.Y() ); }
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inline const Coord &Hi() const { return( hi ); }
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inline int HiX() const { return( hi.X() ); }
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inline int HiY() const { return( hi.Y() ); }
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inline const Coord &Size() const { return( size ); }
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inline int Width() const { return( size.X() ); }
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inline int Height() const { return( size.Y() ); }
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inline int Area() const { return( size.X()*size.Y() ); }
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inline const Coord Centre() const
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{
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int mid_x = int(round(lo.X()+(size.X()/2.0)));
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int mid_y = int(round(lo.Y()+(size.Y()/2.0)));
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return( Coord( mid_x, mid_y ) );
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}
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inline bool Inside( const Coord &coord ) const
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{
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return( coord.X() >= lo.X() && coord.X() <= hi.X() && coord.Y() >= lo.Y() && coord.Y() <= hi.Y() );
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}
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};
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#endif // ZM_BOX_H
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