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/*
    Copyright (C) 2011-2013 Paul Davis
    Author: Carl Hetherington <cth@carlh.net>

    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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "canvas/visibility.h"
#include "canvas/item.h"

namespace ArdourCanvas {

class LIBCANVAS_API LineSet : public Item
{
public:
	enum Orientation {
		Vertical,
		Horizontal
	};

	LineSet (Group *);

	void compute_bounding_box () const;
	void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;

        bool covers (Duple const &) const;

	void set_height (Distance);

	void add (Coord, Distance, Color);
	void clear ();

	struct Line {
		Line (Coord y_, Distance width_, Color color_) : y (y_), width (width_), color (color_) {}
		
		Coord y;
		Distance width;
		Color color;
	};

private:
	std::list<Line> _lines;
	Distance _height;
};

}