canvas/canvas/rectangle.h

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/*
 * Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2013-2018 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_RECTANGLE_H__
#define __CANVAS_RECTANGLE_H__
 
#include "canvas/visibility.h"
#include "canvas/item.h"
#include "canvas/types.h"
 
namespace ArdourCanvas
{
 
class LIBCANVAS_API Rectangle : public Item
{
public:
        Rectangle (Canvas*);
        Rectangle (Canvas*, Rect const &);
        Rectangle (Item*);
        Rectangle (Item*, Rect const &);
 
        void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
        void compute_bounding_box () const;
        void _size_allocate (Rect const&);
 
        Rect const & get () const {
                return _rect;
        }
 
        Coord x0 () const {
                return _rect.x0;
        }
 
        Coord y0 () const {
                return _rect.y0;
        }
 
        Coord x1 () const {
                return _rect.x1;
        }
 
        Coord y1 () const {
                return _rect.y1;
        }
 
        Distance height() const {
                return _rect.height();
        }
 
        Distance width() const {
                return _rect.height();
        }
 
        void set (Rect const &);
        void set_x0 (Coord);
        void set_y0 (Coord);
        void set_x1 (Coord);
        void set_y1 (Coord);
 
        double vertical_fraction (double y) const;
 
        void set_corner_radius (double d);
 
        enum What {
                NOTHING = 0x0,
                LEFT = 0x1,
                RIGHT = 0x2,
                TOP = 0x4,
                BOTTOM = 0x8,
                ALL = LEFT|RIGHT|TOP|BOTTOM,
        };
 
        void set_outline_what (What);
        void set_outline_all () { set_outline_what (ArdourCanvas::Rectangle::ALL); }
 
        void size_request (double& w, double& h) const;
 
        void dump (std::ostream&) const;
 
  protected:
        Rect _rect;
 
  private:
        What _outline_what;
        double _corner_radius;
};
 
}
 
#endif