import javax.sound.midi.*;
-/*
- * Functional representation of a MIDI note, which contains two MIDI events, note on and note off.
+/**
+ * Functional representation of a MIDI note, which adds functionality to the existent MidiEvent class.
+ * Also provides a reference to the corresponding NoteOff event.
*
- * @author Andersson, Andreen, Lanneskog, Pehrson
- * @version 2.0
+ * @author Einar Pehrson
*/
public class MooNote extends MidiEvent {
- private MidiEvent noteOffEvent;
- private ShortMessage noteOnMsg, noteOffMsg;
+ protected MidiEvent noteOffEvent;
+ protected ShortMessage noteOnMsg, noteOffMsg;
- /*
+ /**
* Creates a MooNote from the given NoteOn event in the current track.
* @param noteOnEvent the NoteOn event of the note
*/
noteOnMsg = (ShortMessage)getMessage();
}
- /*
+ /**
* Creates a MooNote from the given NoteOn event in the current track and creates a reference to
* the corresponding NoteOff event.
* @param noteOnEvent the NoteOn event of the note
*/
public MooNote (MidiEvent noteOnEvent, MidiEvent noteOffEvent) {
super(noteOnEvent.getMessage(), noteOnEvent.getTick());
- noteOffEvent = new MidiEvent(noteOffEvent.getMessage(), noteOffEvent.getTick());
+ this.noteOffEvent = noteOffEvent;
noteOnMsg = (ShortMessage)getMessage();
noteOffMsg = (ShortMessage)noteOffEvent.getMessage();
}
- /*
+ /**
* Creates a MooNote of the given pitch, velocity and duration in the current track.
* @param track the track to which the MooNote was added
* @param channel the channel of the note (1-16)
} catch (InvalidMidiDataException e) {}
}
- /*
+ /**
* Sets the channel of the current note.
* @param channel the channel of the note (1-16)
*/
public void setChannel(int channel) {
try {
noteOnMsg.setMessage(noteOnMsg.getCommand(), (byte)channel, noteOnMsg.getData1(), noteOnMsg.getData2());
- noteOffMsg.setMessage(noteOffMsg.getCommand(), (byte)channel, noteOffMsg.getData1(), noteOffMsg.getData2());
+ if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), (byte)channel, noteOffMsg.getData1(), noteOffMsg.getData2());
} catch (InvalidMidiDataException e) {}
}
- /*
+ /**
* Sets the pitch of the current note.
* @param pitch the pitch of the note (0-127)
*/
public void setPitch(int pitch) {
try {
noteOnMsg.setMessage(noteOnMsg.getCommand(), noteOnMsg.getChannel(), (byte)pitch, noteOnMsg.getData2());
- noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), (byte)pitch, noteOffMsg.getData2());
+ if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), (byte)pitch, noteOffMsg.getData2());
} catch (InvalidMidiDataException e) {}
}
- /*
+ /**
* Sets the velocity of the current note.
* @param vel the velocity of the note (0-127)
*/
public void setVelocity(int vel) {
try {
noteOnMsg.setMessage(noteOnMsg.getCommand(), noteOnMsg.getChannel(), noteOnMsg.getData1(), (byte)vel);
- noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), noteOffMsg.getData1(), noteOffMsg.getData2());
+ if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), noteOffMsg.getData1(), noteOffMsg.getData2());
} catch (InvalidMidiDataException e) {}
}
- /*
+ /**
* Sets the duration of the current note (or rather moves the note off event).
* @param n the duration of the note in ticks (96 per beat)
*/
if (hasNoteOffEvent()) noteOffEvent.setTick(getTick() + ticks);
}
- /*
+ /**
* Sets the timestamp of the current note.
* @param tick the timestamp of the note in ticks (96 per beat)
*/
super.setTick(tick);
}
- /*
+ /**
* Returns the channel of the current note.
* @return the channel of the note (1-16)
*/
return noteOnMsg.getChannel();
}
- /*
+ /**
* Returns the pitch of the current note.
* @return the pitch of the note (0-127)
*/
return noteOnMsg.getData1();
}
- /*
+ /**
* Returns the velocity of the current note.
* @return the velocity of the note (0-127)
*/
return noteOnMsg.getData2();
}
- /*
+ /**
* Returns the duration of the current note.
* @return the duration of the note (in ticks)
*/
public int getDuration() {
if (!hasNoteOffEvent()) return 0;
- return (int)(getTick() - noteOffEvent.getTick());
+ return (int)(noteOffEvent.getTick() - getTick());
}
- /*
+ /**
* Returns whether the NoteOff event was found.
* @return the note off MidiEvent
*/
public boolean hasNoteOffEvent() {
- return noteOffEvent == null;
+ return noteOffEvent != null;
}
-}
\ No newline at end of file
+
+ public void addTo(Track track){
+ track.add(this);
+ if (hasNoteOffEvent()) track.add(noteOffEvent);
+ }
+
+ public void removeFrom(Track track){
+ track.remove(this);
+ if (hasNoteOffEvent()) track.remove(noteOffEvent);
+ }
+}