2 Copyright (C) 2011-2013 Paul Davis
3 Author: Carl Hetherington <cth@carlh.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __CANVAS_RECTANGLE_H__
21 #define __CANVAS_RECTANGLE_H__
23 #include "canvas/visibility.h"
24 #include "canvas/item.h"
25 #include "canvas/types.h"
27 namespace ArdourCanvas
30 class LIBCANVAS_API Rectangle : public Item
34 Rectangle (Canvas*, Rect const &);
36 Rectangle (Item*, Rect const &);
38 void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
39 void compute_bounding_box () const;
41 Rect const & get () const {
61 void set (Rect const &);
67 /** return @param y as a floating point fraction of the overall
68 * height of the rectangle. @param y is in canvas coordinate space.
70 * A value of zero indicates that y is at the bottom of the
71 * rectangle; a value of 1 indicates that y is at the top.
73 * Will return zero if there is no bounding box or if y
74 * is outside the bounding box.
76 double vertical_fraction (double y) const;
84 ALL = LEFT|RIGHT|TOP|BOTTOM,
87 void set_outline_what (What);
88 void set_outline_all () { set_outline_what (ArdourCanvas::Rectangle::ALL); }
91 void render_self (Rect const &, Cairo::RefPtr<Cairo::Context>, Rect) const;
92 Rect get_self_for_render () const;
95 /** Our rectangle; note that x0 may not always be less than x1
96 * and likewise with y0 and y1.