public void GetNoteId_Note_Null()
{
Note note = null;
Assert.Throws <ArgumentNullException>(
() => NoteIdUtilities.GetNoteId(note),
"The method did not throw a NullReferenceException when passed a null reference.");
}
public void GetNoteId_Note_ValidEmpty()
{
var note = new Note(new NoteName(), 1);
var noteId = note.GetNoteId();
Assert.NotNull(noteId, "The NoteId is null.");
Assert.AreEqual(new FourBitNumber(0), noteId.Channel, "The NoteId Channel is not the expected value.");
Assert.AreEqual(new SevenBitNumber(24), noteId.NoteNumber, "The NoteId NoteNumber is not the expected value.");
}
//Возвращает номер ноты в октаве
public static byte NoteGetPosInOctave(Melanchall.DryWetMidi.Interaction.Note n)
{
byte res = 0;
switch (n.NoteName)
{
case NoteName.C:
res = 1;
break;
case NoteName.CSharp:
res = 2;
break;
case NoteName.D:
res = 3;
break;
case NoteName.DSharp:
res = 4;
break;
case NoteName.E:
res = 5;
break;
case NoteName.F:
res = 6;
break;
case NoteName.FSharp:
res = 7;
break;
case NoteName.G:
res = 8;
break;
case NoteName.GSharp:
res = 9;
break;
case NoteName.A:
res = 10;
break;
case NoteName.ASharp:
res = 11;
break;
case NoteName.B:
res = 12;
break;
}
return(res);
}
public void GetNoteId_Note_ValidSet()
{
var note = new Note(new SevenBitNumber(2))
{
Channel = new FourBitNumber(1)
};
var noteId = note.GetNoteId();
Assert.NotNull(noteId, "The NoteId is null.");
Assert.AreEqual(new FourBitNumber(1), noteId.Channel, "The NoteId Channel is not the expected value.");
Assert.AreEqual(new SevenBitNumber(2), noteId.NoteNumber, "The NoteId NoteNumber is not the expected value.");
}
public void ResetScale()
{
prevTime = 0;
startOctave = 0;
notesPlayed = 0;
prevNote = null;
rootNote = null;
scaleInterval = 0;
startTime = 0;
endTime = 0;
notesPlayed = 0;
}
//Возвращает время нажатия клавишы
public static uint GetNoteTime(Melanchall.DryWetMidi.Interaction.Note note, TempoMap tempoMap)
{
uint res = (uint)note.TimeAs <MetricTimeSpan>(tempoMap).Milliseconds;
if (note.TimeAs <MetricTimeSpan>(tempoMap).Seconds > 0)
{
res += (uint)note.TimeAs <MetricTimeSpan>(tempoMap).Seconds * 1000;
}
if (note.TimeAs <MetricTimeSpan>(tempoMap).Minutes > 0)
{
res += (uint)note.TimeAs <MetricTimeSpan>(tempoMap).Minutes * 60000;
}
return(res);
}
private MidiFile To(MusicItem data)
{
var midiFile = new MidiFile();
var tempoMap = midiFile.GetTempoMap();
var trackChunk = new TrackChunk();
using (var notesManager = trackChunk.ManageNotes())
{
var length = LengthConverter.ConvertFrom(
2 * MusicalTimeSpan.Eighth.Triplet(),
0,
tempoMap);
var note = new Melanchall.DryWetMidi.Interaction.Note(NoteName.A, 4, length);
notesManager.Notes.Add(note);
}
midiFile.Chunks.Add(trackChunk);
return(midiFile);
}
//Возвращает номер ноты на клавиатуре public static byte NoteGetPosOnKeyboard(Melanchall.DryWetMidi.Interaction.Note n) => n.Octave > 1 ? (byte)(NoteGetPosInOctave(n) + (n.Octave - 1) * 12 + 3) : (byte)(NoteGetPosInOctave(n));
//Возвращает аналог клавишы из левой октавы public static void LowerOctave(Melanchall.DryWetMidi.Interaction.Note n) => n.SetNoteNameAndOctave(n.NoteName, n.Octave - 1);
public FlowKeyData(Melanchall.DryWetMidi.Interaction.Note note, TempoMap tempomap)
{
pos = MIDIFuncs.NoteGetPosOnKeyboard(note);
time = MIDIFuncs.GetNoteTime(note, tempomap);
length = MIDIFuncs.GetNoteLength(note, tempomap);
}
public void TestMethod()
{
Console.WriteLine("Testing...");
var midiFile = MidiFile.Read("C:\\Users\\trent.jones\\Documents\\midi\\test my C scales.mid");
using (NotesManager notesManager = midiFile.GetTrackChunks() // shortcut method for
// Chunks.OfType<TrackChunk>()
.First()
.ManageNotes())
{
// Get notes ordered by time
NotesCollection notes = notesManager.Notes;
// Get all C# notes
//IEnumerable<Melanchall.DryWetMidi.Interaction.Note> cSharpNotes = notes.Where(n => n.NoteName == NoteName.C);
//long prevTime = 0;
//The first note is the start octave
foreach (var note in notes)
{
notesPlayed++;
if (notesPlayed == 1)
{
rootNote = note;
startOctave = note.Octave;
scaleInterval = 1;
startTime = note.Time;
}
else if (note.NoteNumber > prevNote.NoteNumber)
{
playDirection = "asc";
}
else if (note.NoteNumber < prevNote.NoteNumber)
{
playDirection = "desc";
}
//Set the interval
//Maybe let's wait until we have all the scales plugged in
Console.WriteLine(notesPlayed + " " + note.Octave + " " + note.NoteName + "(" + note.NoteNumber + ")" + " " + (note.Time - prevTime));
prevTime = note.Time;
prevNote = note;
//If we're back to the root note...
if (note.NoteNumber == rootNote.NoteNumber && notesPlayed > 1)
{
Console.WriteLine("The total time was " + (note.Time - startTime));
ResetScale();
}
}
// Add new note: C# of octave with number of 2
// Note: DryWetMIDI uses scientific pitch notation which means middle C is C4
//notes.Add(new Melanchall.DryWetMidi.Interaction.Note(NoteName.C, 2)
//{
// Channel = (FourBitNumber)2,
// Velocity = (SevenBitNumber)95
//});
}
}
