1 /* This file is part of Evoral.
2 * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
3 * Copyright (C) 2000-2008 Paul Davis
5 * Evoral is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
10 * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <evoral/Control.hpp>
21 #include <evoral/ControlList.hpp>
25 Parameter::TypeMetadata Parameter::_type_metadata;
27 Control::Control(const Parameter& parameter, boost::shared_ptr<ControlList> list)
28 : _parameter(parameter)
30 , _user_value(list ? list->default_value() : parameter.normal())
35 /** Get the currently effective value (ie the one that corresponds to current output)
38 Control::get_float(bool from_list, FrameTime frame) const
41 return _list->eval(frame);
48 Control::set_float(float value, bool to_list, FrameTime frame)
53 _list->add(frame, value);
57 /** Get the latest user-set value, which may not equal get_value() when automation
58 * is playing back, etc.
60 * Automation write/touch works by periodically sampling this value and adding it
61 * to the AutomationList.
64 Control::user_float() const
71 Control::set_list(boost::shared_ptr<ControlList> list)