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)
35 , _transparent (false)
41 Fill::set_fill_color (Color color)
43 if (_fill_color != color) {
44 begin_visual_change ();
48 color_to_rgba (color, r, g, b, a);
60 Fill::set_fill (bool fill)
63 begin_visual_change ();
70 Fill::setup_fill_context (Cairo::RefPtr<Cairo::Context> context) const
72 set_source_rgba (context, _fill_color);
76 Fill::setup_gradient_context (Cairo::RefPtr<Cairo::Context> context, Rect const & self, Duple const & draw_origin) const
78 Cairo::RefPtr<Cairo::LinearGradient> _gradient;
80 if (_vertical_gradient) {
81 _gradient = Cairo::LinearGradient::create (draw_origin.x, self.y0, draw_origin.x, self.y1);
83 _gradient = Cairo::LinearGradient::create (self.x0, draw_origin.y, self.x1, draw_origin.y);
86 for (StopList::const_iterator s = _stops.begin(); s != _stops.end(); ++s) {
88 color_to_rgba (s->second, r, g, b, a);
89 _gradient->add_color_stop_rgba (s->first, r, g, b, a);
92 context->set_source (_gradient);
96 Fill::set_gradient (StopList const & stops, bool vertical)
98 begin_visual_change ();
104 _vertical_gradient = vertical;
107 end_visual_change ();