/*************************************************************************
 *
 *  $RCSfile: line.hxx,v $
 *
 *  $Revision: 1.3 $
 *
 *  last change: $Author: ka $ $Date: 2001/11/06 11:54:25 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _SV_LINE_HXX
#define _SV_LINE_HXX

#ifndef _GEN_HXX
#include <tools/gen.hxx>
#endif

class Link;

// --------
// - Line -
// --------

class Line
{
private:

    Point           maStart;
    Point           maEnd;

public:
                    Line() {};
                    Line( const Point& rStartPt, const Point& rEndPt ) : maStart( rStartPt ), maEnd( rEndPt ) {}

    void            SetStart( const Point& rStartPt ) { maStart = rStartPt; }
    const Point&    GetStart() const  { return maStart; }

    void            SetEnd( const Point& rEndPt ) { maEnd = rEndPt; }
    const Point&    GetEnd() const { return maEnd; }

	long			Left() const { return ( maStart.X() < maEnd.X() ) ? maStart.X() : maEnd.X(); }
	long			Top() const { return ( maStart.Y() < maEnd.Y() ) ? maStart.Y() : maEnd.Y(); }
	long			Right() const { return ( maStart.X() > maEnd.X() ) ? maStart.X() : maEnd.X(); }
	long			Bottom() const { return ( maStart.Y() > maEnd.Y() ) ? maStart.Y() : maEnd.Y(); }

    double          GetLength() const;

    BOOL            Intersection( const Line& rLine, double& rIntersectionX, double& rIntersectionY ) const;
    BOOL            Intersection( const Line& rLine, Point& rIntersection ) const;
    BOOL            Intersection( const Rectangle& rRect, Line& rIntersection ) const;

	double			GetDistance( const double& rPtX, const double& rPtY ) const;
	double			GetDistance( const Point& rPoint ) const { return( GetDistance( rPoint.X(), rPoint.Y() ) ); }

    Point           NearestPoint( const Point& rPoint ) const;

    void            Enum( const Link& rEnumLink );
};

#endif // _SV_LINE_HXX
