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livetrax/libs/canvas/canvas/polygon.h

52 lines
1.4 KiB
C++

/*
* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2015 Paul Davis <paul@linuxaudiosystems.com>
*
* 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_POLYGON_H__
#define __CANVAS_POLYGON_H__
#include "canvas/fill.h"
#include "canvas/outline.h"
#include "canvas/poly_item.h"
#include "canvas/visibility.h"
namespace ArdourCanvas {
class LIBCANVAS_API Polygon : public PolyItem
{
public:
Polygon (Canvas*);
Polygon (Item*);
virtual ~Polygon();
void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
bool covers (Duple const &) const;
protected:
mutable float* multiple;
mutable float* constant;
mutable Points::size_type cached_size;
void cache_shape_computation () const;
};
}
#endif