private void PianoControl_PianoKeyUp(object sender, PianoKeyEventArgs e)
{
MidiManager.Playback(false, e.NoteID);
}
public void DrawPianoRoll()
{
view.TrackNotes.Children.Clear();
int noteWithoutOctave;
Brush currentColor = Brushes.White;
for (int i = 0; i < 128; i++)
{
// identify note
noteWithoutOctave = i % 12;
// choose note color
switch (noteWithoutOctave)
{
case 0: currentColor = Brushes.White; break;
case 1: currentColor = Brushes.Black; break;
case 2: currentColor = Brushes.White; break;
case 3: currentColor = Brushes.Black; break;
case 4: currentColor = Brushes.White; break;
case 5: currentColor = Brushes.White; break;
case 6: currentColor = Brushes.Black; break;
case 7: currentColor = Brushes.White; break;
case 8: currentColor = Brushes.Black; break;
case 9: currentColor = Brushes.White; break;
case 10: currentColor = Brushes.Black; break;
case 11: currentColor = Brushes.White; break;
}
if (i == 60)
{
currentColor = Brushes.Yellow;
}
if (i == 69)
{
currentColor = Brushes.Cyan;
}
// make rectangle
Rectangle rec = new Rectangle
{
Width = 15,
Height = model.CellHeigth,
Fill = currentColor,
Stroke = Brushes.Gray,
StrokeThickness = .5f
};
// place rectangle
Canvas.SetLeft(rec, 0);
Canvas.SetTop(rec, (127 - i) * model.CellHeigth);
// piano toucn on rectangle
int j = i;
rec.MouseLeftButtonDown += (s, e) => MidiManager.Playback(true, j);
rec.MouseLeftButtonUp += (s, e) => MidiManager.Playback(false, j);
rec.MouseLeave += (s, e) => MidiManager.Playback(false, j);
// add it to the control
view.TrackNotes.Children.Add(rec);
view.TrackNotes.Height = 127 * model.CellHeigth;
view.TrackBody.Height = 127 * model.CellHeigth;
}
}
