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/* This file is part of Evoral.
* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EVORAL_NOTE_HPP
#define EVORAL_NOTE_HPP
#include <stdint.h>
#include <evoral/Event.hpp>
namespace Evoral {
/** An abstract (protocol agnostic) note.
*
* Currently a note is defined as (on event, duration, off event).
*/
class Note {
public:
Note(uint8_t chan=0, double time=0, double dur=0, uint8_t note=0, uint8_t vel=0x40);
Note(const Note& copy);
~Note();
const Note& operator=(const Note& copy);
inline bool operator==(const Note& other) {
return time() == other.time() &&
note() == other.note() &&
duration() == other.duration() &&
velocity() == other.velocity() &&
channel() == other.channel();
}
inline double time() const { return _on_event.time(); }
inline double end_time() const { return _off_event.time(); }
inline uint8_t note() const { return _on_event.note(); }
inline uint8_t velocity() const { return _on_event.velocity(); }
inline double duration() const { return _off_event.time() - _on_event.time(); }
inline uint8_t channel() const {
assert(_on_event.channel() == _off_event.channel());
return _on_event.channel();
}
inline void set_time(double t) { _off_event.time() = t + duration(); _on_event.time() = t; }
inline void set_note(uint8_t n) { _on_event.buffer()[1] = n; _off_event.buffer()[1] = n; }
inline void set_velocity(uint8_t n) { _on_event.buffer()[2] = n; }
inline void set_duration(double d) { _off_event.time() = _on_event.time() + d; }
inline void set_channel(uint8_t c) { _on_event.set_channel(c); _off_event.set_channel(c); }
inline Event& on_event() { return _on_event; }
inline const Event& on_event() const { return _on_event; }
inline Event& off_event() { return _off_event; }
inline const Event& off_event() const { return _off_event; }
private:
// Event buffers are self-contained
Event _on_event;
Event _off_event;
};
} // namespace Evoral
#endif // EVORAL_NOTE_HPP
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