2 Copyright (C) 2013 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __CANVAS_ARC_H__
20 #define __CANVAS_ARC_H__
22 #include "canvas/visibility.h"
23 #include "canvas/item.h"
24 #include "canvas/outline.h"
25 #include "canvas/fill.h"
27 namespace ArdourCanvas {
29 class LIBCANVAS_API Arc : virtual public Item, public Outline, public Fill
34 void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
35 void compute_bounding_box () const;
37 void set_center (Duple const &);
38 void set_radius (Coord);
39 void set_arc (double degrees);
40 void set_start (double degrees);
42 Duple center() const {
45 Coord radius () const {
48 double arc_degrees () const {
51 double start_degrees () const {
52 return _start_degrees;
55 bool covers (Duple const &) const;
61 double _start_degrees;