119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
/*
|
|
* 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);
|
|
|
|
/** return @param y as a floating point fraction of the overall
|
|
* height of the rectangle. @param y is in canvas coordinate space.
|
|
*
|
|
* A value of zero indicates that y is at the bottom of the
|
|
* rectangle; a value of 1 indicates that y is at the top.
|
|
*
|
|
* Will return zero if there is no bounding box or if y
|
|
* is outside the bounding box.
|
|
*/
|
|
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:
|
|
/** Our rectangle; note that x0 may not always be less than x1
|
|
* and likewise with y0 and y1.
|
|
*/
|
|
Rect _rect;
|
|
|
|
private:
|
|
What _outline_what;
|
|
double _corner_radius;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|