X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=MooNote.java;h=57cf86c8529c9fef5ce0e59726b6c944f83ebc04;hb=f13c7fbb2a8cc841367e0a4563596592b89cd33b;hp=20047887f107cd03093927f86c2fb8851b37fe27;hpb=4ac3b6210979ea78dceb609a0501cb0265d00065;p=moosique.git diff --git a/MooNote.java b/MooNote.java index 2004788..57cf86c 100644 --- a/MooNote.java +++ b/MooNote.java @@ -1,27 +1,18 @@ import javax.sound.midi.*; -/* +/** * Functional representation of a MIDI note, which adds functionality to the existent MidiEvent class. * Also provides a reference to the corresponding NoteOff event. * * @author Einar Pehrson */ -public class MooNote extends MidiEvent { +public class MooNote extends MidiEvent implements Cloneable, Comparable { - protected MidiEvent noteOffEvent; - protected ShortMessage noteOnMsg, noteOffMsg; + private MidiEvent noteOffEvent; + private 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(); - } - - /* + /** * 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 @@ -29,21 +20,20 @@ public class MooNote extends MidiEvent { */ 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) * @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(); @@ -51,10 +41,50 @@ 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!");} } - /* + /** + * Returns the note off event of this note. + * @return the note off event + */ + public MidiEvent getNoteOffEvent() { + return noteOffEvent; + } + + /** + * Returns the channel of the current note. + * @return the channel of the note (1-16) + */ + public int getChannel() { + return noteOnMsg.getChannel(); + } + + /** + * Returns the pitch of the current note. + * @return the pitch of the note (0-127) + */ + public int getPitch() { + return noteOnMsg.getData1(); + } + + /** + * Returns the velocity of the current note. + * @return the velocity of the note (0-127) + */ + public int getVelocity() { + return noteOnMsg.getData2(); + } + + /** + * Returns the duration of the current note. + * @return the duration of the note (in ticks) + */ + public int getDuration() { + return (int)(noteOffEvent.getTick() - getTick()); + } + + /** * Sets the channel of the current note. * @param channel the channel of the note (1-16) */ @@ -65,7 +95,7 @@ public class MooNote extends MidiEvent { } catch (InvalidMidiDataException e) {} } - /* + /** * Sets the pitch of the current note. * @param pitch the pitch of the note (0-127) */ @@ -76,7 +106,7 @@ public class MooNote extends MidiEvent { } catch (InvalidMidiDataException e) {} } - /* + /** * Sets the velocity of the current note. * @param vel the velocity of the note (0-127) */ @@ -87,61 +117,64 @@ public class MooNote extends MidiEvent { } 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) */ public void setDuration(int ticks) { - if (hasNoteOffEvent()) noteOffEvent.setTick(getTick() + ticks); + noteOffEvent.setTick(getTick() + ticks); } - /* + /** * Sets the timestamp of the current note. * @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); } - /* - * Returns the channel of the current note. - * @return the channel of the note (1-16) + /** + * Transposes the current note the given number of halftones. + * @param halftones the number of halftones to transpose - positive for up, negative for down */ - public int getChannel() { - return noteOnMsg.getChannel(); + public void transpose(int halftones) { + setPitch(getPitch() + halftones); } - /* - * Returns the pitch of the current note. - * @return the pitch of the note (0-127) + /** + * Adds this note (both noteOn and noteOffEvents) to a track. + * @param track the track it'll be added to. */ - public int getPitch() { - return noteOnMsg.getData1(); + public void addTo(Track track) { + track.add(this); + track.add(noteOffEvent); } - - /* - * Returns the velocity of the current note. - * @return the velocity of the note (0-127) + + /** + * Removes this note (both noteOn and noteOffEvents) from a track. + * @param track the track it'll be removed from. */ - public int getVelocity() { - return noteOnMsg.getData2(); + public void removeFrom(Track track) { + track.remove(this); + track.remove(noteOffEvent); } - /* - * Returns the duration of the current note. - * @return the duration of the note (in ticks) + /** + * Returns a clone of this note. */ - public int getDuration() { - if (!hasNoteOffEvent()) return 0; - return (int)(getTick() - noteOffEvent.getTick()); + public Object clone() { + return new MooNote( + new MidiEvent((ShortMessage)getMessage().clone(), getTick()), + new MidiEvent((ShortMessage)noteOffEvent.getMessage().clone(), noteOffEvent.getTick()) + ); } - /* - * Returns whether the NoteOff event was found. - * @return the note off MidiEvent + /** + * Compares this note to another note. + * @return a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object */ - public boolean hasNoteOffEvent() { - return noteOffEvent == null; + public int compareTo(Object o) { + return (int)(getTick() - ((MidiEvent)o).getTick()); } -} \ No newline at end of file +}