polygon.h

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// -*- C++ -*-

/*
 * Gnome Chemistry Utils
 * gccv/polgon.h
 *
 * Copyright (C) 2010 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCCV_POLYGON_H
#define GCCV_POLYGON_H

#include "fill-item.h"
#include "structs.h"
#include <list>

namespace gccv {

class Polygon: public FillItem
{
public:
        Polygon (Canvas *canvas, std::list <Point> &points);
        Polygon (Group *parent, std::list <Point> &points, ItemClient *client = NULL);
        virtual ~Polygon ();

        void SetPoints (std::list <Point> &points);

        // virtual methods
        void AddPoint (double x, double y);
        double Distance (double x, double y, Item **item) const;
        void Draw (cairo_t *cr, bool is_vector) const;
        virtual void BuildPath (cairo_t *cr) const;
        void Move (double x, double y);

protected:
        void UpdateBounds ();

protected:
        std::list <Point> m_Points;
};

}

#endif  //      GCCV_POLYGON_H