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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/MIDIEvent.hpp"
namespace Evoral {
/** An abstract (protocol agnostic) note.
*
* Currently a note is defined as (on event, length, off event).
*/
template<typename Time>
class Note {
public:
Note(uint8_t chan=0, Time time=0, Time len=0, uint8_t note=0, uint8_t vel=0x40);
Note(const Note<Time>& copy);
~Note();
const Note<Time>& operator=(const Note<Time>& copy);
inline bool operator==(const Note<Time>& other) {
return musical_time_equal (time(), other.time()) &&
note() == other.note() &&
musical_time_equal (length(), other.length()) &&
velocity() == other.velocity() &&
channel() == other.channel();
}
inline Time time() const { return _on_event.time(); }
inline Time 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 Time length() 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(Time t) { _off_event.time() = t + length(); _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_length(Time l) { _off_event.time() = _on_event.time() + l; }
inline void set_channel(uint8_t c) { _on_event.set_channel(c); _off_event.set_channel(c); }
inline Event<Time>& on_event() { return _on_event; }
inline const Event<Time>& on_event() const { return _on_event; }
inline Event<Time>& off_event() { return _off_event; }
inline const Event<Time>& off_event() const { return _off_event; }
private:
// Event buffers are self-contained
MIDIEvent<Time> _on_event;
MIDIEvent<Time> _off_event;
};
} // namespace Evoral
template<typename Time>
std::ostream& operator<<(std::ostream& o, const Evoral::Note<Time>& n) {
o << "Note: pitch = " << (int) n.note()
<< " @ " << n.time() << " .. " << n.end_time()
<< " velocity " << (int) n.velocity()
<< " chn " << (int) n.channel();
return o;
}
#endif // EVORAL_NOTE_HPP
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