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_CURVE_H__
20 #define __CANVAS_CURVE_H__
22 #include "canvas/visibility.h"
24 #include "canvas/interpolated_curve.h"
25 #include "canvas/poly_item.h"
26 #include "canvas/fill.h"
28 namespace ArdourCanvas {
32 class LIBCANVAS_API Curve : public PolyItem, public Fill, public InterpolatedCurve
43 void compute_bounding_box () const;
44 void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
45 void set (Points const &);
47 void set_points_per_segment (uint32_t n);
49 bool covers (Duple const &) const;
50 void set_fill_mode (CurveFill cf) { curve_fill = cf; }
54 Points::size_type n_samples;
55 uint32_t points_per_segment;
56 InterpolatedCurve::SplineType curve_type;