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 #include "ardour/utils.h"
22 #include "pbd/compose.h"
23 #include "pbd/convert.h"
25 #include "canvas/fill.h"
26 #include "canvas/utils.h"
29 using namespace ArdourCanvas;
31 Fill::Fill (Group* parent)
33 , _fill_color (0x000000ff)
40 Fill::set_fill_color (Color color)
42 if (_fill_color != color) {
43 begin_visual_change ();
50 Fill::set_fill (bool fill)
53 begin_visual_change ();
60 Fill::setup_fill_context (Cairo::RefPtr<Cairo::Context> context) const
63 context->set_source (_gradient);
65 set_source_rgba (context, _fill_color);
70 Fill::set_gradient (StopList const & stops, double height)
72 begin_visual_change ();
80 _gradient = Cairo::LinearGradient::create (0, 0, 0, height);
82 for (StopList::const_iterator s = stops.begin(); s != stops.end(); ++s) {
83 color_to_rgba (s->second, r, g, b, a);
84 _gradient->add_color_stop_rgba (s->first, r, g, b, a);