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/*
* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2014 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2016 Robin Gareus <robin@gareus.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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __CANVAS_POLY_ITEM_H__
#define __CANVAS_POLY_ITEM_H__
#include "canvas/item.h"
#include "canvas/outline.h"
#include "canvas/visibility.h"
namespace ArdourCanvas {
class LIBCANVAS_API PolyItem : public Item
{
public:
PolyItem (Canvas*);
PolyItem (Item*);
virtual void compute_bounding_box () const;
virtual void set (Points const&);
Points const& get () const;
void dump (std::ostream&) const;
protected:
void render_path (Rect const&, Cairo::RefPtr<Cairo::Context>) const;
Points _points;
/* these return screen-cordidates of the most recent render_path() */
Duple const& left_edge () const { return _left; }
Duple const& right_edge () const { return _right; }
private:
static bool interpolate_line (Duple&, Duple const&, Coord const);
mutable Duple _left;
mutable Duple _right;
};
}
#endif
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