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/*
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*
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* This file is part of QMapControl,
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* an open-source cross-platform map widget
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*
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* Copyright (C) 2007 - 2008 Kai Winter
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with QMapControl. If not, see <http://www.gnu.org/licenses/>.
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*
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* Contact e-mail: kaiwinter@gmx.de
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* Program URL   : http://qmapcontrol.sourceforge.net/
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*
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*/
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#ifndef CURVE_H
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#define CURVE_H
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#include "geometry.h"
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#include "point.h"
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namespace qmapcontrol
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{
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    //! A Curve Geometry, implemented to fullfil OGC Spec
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    /*!
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     * The Curve class is used by LineString as parent class.
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     * This class could not be used directly.
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     *
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     * From the OGC Candidate Implementation Specification:
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     * "A Curve is a 1-dimensional geometric object usually stored as a sequence of Points, with the subtype of Curve
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     * specifying the form of the interpolation between Points. This specification defines only one subclass of Curve,
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     * LineString, which uses a linear interpolation between Points."
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     *  @author Kai Winter <kaiwinter@gmx.de>
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     */
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    class Curve : public Geometry
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    {
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        Q_OBJECT
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    public:
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        virtual ~Curve();
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        double Length;
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        //  virtual Geometry Clone();
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        //  virtual QRectF GetBoundingBox();
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        //  virtual Point EndPoint() = 0;
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        //  virtual Point StartPoint() = 0;
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        //  virtual Point Value() = 0;
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    protected:
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        Curve(QString name = QString());
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        virtual void draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &screensize, const QPoint offset) = 0;
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    };
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}
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#endif