X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=MooNote.java;h=023de207da3aa053ffafff81f2febabe076ea996;hb=d2e307b3375152f1b47c59bc05210c96dc99f679;hp=3e66dab1c4aa10bf2d23674bd84b1940b1502f6b;hpb=ffc69c8cc2cc9cdfe3841c77c1e680dee2225c63;p=moosique.git diff --git a/MooNote.java b/MooNote.java index 3e66dab..023de20 100644 --- a/MooNote.java +++ b/MooNote.java @@ -7,19 +7,10 @@ import javax.sound.midi.*; * @author Einar Pehrson */ -public class MooNote extends MidiEvent { +public class MooNote extends MidiEvent implements Cloneable { - 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 - */ - public MooNote (MidiEvent noteOnEvent) { - super(noteOnEvent.getMessage(), noteOnEvent.getTick()); - noteOnMsg = (ShortMessage)getMessage(); - } + private MidiEvent noteOffEvent; + private ShortMessage noteOnMsg, noteOffMsg; /** * Creates a MooNote from the given NoteOn event in the current track and creates a reference to @@ -36,14 +27,13 @@ public class MooNote extends MidiEvent { /** * 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) * @param pitch the pitch of the note (0-127) * @param velocity the velocity of the note (0-127) * @param timestamp the timestamp of the note in ticks (96 per beat) * @param duration the duration of the note in ticks (96 per beat) */ - public MooNote (int track, int channel, int pitch, int velocity, long timestamp, int duration) { + public MooNote (int channel, int pitch, int velocity, long timestamp, int duration) { super(new ShortMessage(), timestamp); noteOffEvent = new MidiEvent(new ShortMessage(), timestamp + duration); noteOnMsg = (ShortMessage)getMessage(); @@ -51,7 +41,7 @@ public class MooNote extends MidiEvent { try { noteOnMsg.setMessage(ShortMessage.NOTE_ON, channel, pitch, velocity); noteOffMsg.setMessage(ShortMessage.NOTE_OFF, channel, pitch, 0); - } catch (InvalidMidiDataException e) {} + } catch (InvalidMidiDataException e) {System.out.println("Invalid data!");} } /** @@ -92,7 +82,7 @@ public class MooNote extends MidiEvent { * @param n the duration of the note in ticks (96 per beat) */ public void setDuration(int ticks) { - if (hasNoteOffEvent()) noteOffEvent.setTick(getTick() + ticks); + noteOffEvent.setTick(getTick() + ticks); } /** @@ -100,10 +90,18 @@ public class MooNote extends MidiEvent { * @param tick the timestamp of the note in ticks (96 per beat) */ public void setTick(long tick) { - if (hasNoteOffEvent()) noteOffEvent.setTick(tick + getDuration()); + noteOffEvent.setTick(tick + getDuration()); super.setTick(tick); } + /** + * Transposes the current note the given number of halftones. + * @param halftones the number of halftones to transpose - positive for up, negative for down + */ + public void transpose(int halftones) { + setPitch(getPitch() + halftones); + } + /** * Returns the channel of the current note. * @return the channel of the note (1-16) @@ -133,15 +131,34 @@ public class MooNote extends MidiEvent { * @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 + /** + * Adds this note (both noteOn and noteOffEvents) to a track. + * @param track the track it'll be added to. + */ + public void addTo(Track track) { + track.add(this); + track.add(noteOffEvent); + } + + /** + * Removes this note (both noteOn and noteOffEvents) from a track. + * @param track the track it'll be removed from. + */ + public void removeFrom(Track track) { + track.remove(this); + track.remove(noteOffEvent); + } + + /** + * Returns a clone of this note. */ - public boolean hasNoteOffEvent() { - return noteOffEvent != null; + public Object clone() { + return new MooNote( + new MidiEvent((ShortMessage)getMessage().clone(), getTick()), + new MidiEvent((ShortMessage)noteOffEvent.getMessage().clone(), noteOffEvent.getTick()) + ); } -} \ No newline at end of file +}