/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void MidiIn_InputEvent(object sender, NpMidiEventArgs e)
{
PMidiEvent mevt = new PMidiEvent(e.channel, e.note, e.velocity, e.controllerId, e.controllerValue);
_pmidiEvents.Enqueue(mevt);
if (_midiOut != null) // pass-thru?
{
_midiOut.Send(e);
}
}
/// <summary>
/// Send a midi message.
/// </summary>
/// <param name="mevt"></param>
/// <returns></returns>
public bool Send(NpMidiEventArgs mevt)
{
bool ok = true;
if (mevt.velocity >= 0)
{
SendNote(mevt.channel, mevt.note, mevt.velocity);
}
else if (mevt.controllerId >= 0)
{
SendController(mevt.channel, mevt.controllerId, mevt.controllerValue);
}
else
{
ok = false;
}
return(ok);
}
/// <summary>
/// Make a floating midi piano.
/// </summary>
void CreatePiano()
{
_piano = new Form()
{
Text = "Virtual Keyboard",
Size = new Size(864, 100),
StartPosition = FormStartPosition.Manual,
Location = new Point(Left, Bottom + 20),
FormBorderStyle = FormBorderStyle.FixedToolWindow,
ShowIcon = false,
ShowInTaskbar = false
};
VirtualKeyboard vkey = new VirtualKeyboard()
{
Dock = DockStyle.Fill,
ShowNoteNames = true,
};
// Set the icon.
Bitmap bm = new Bitmap(Properties.Resources.glyphicons_327_piano);
_piano.Icon = Icon.FromHandle(bm.GetHicon());
vkey.KeyboardEvent += (_, e) =>
{
NpMidiEventArgs mevt = new NpMidiEventArgs()
{
channel = e.ChannelNumber,
note = e.NoteId,
velocity = e.Velocity
};
MidiIn_InputEvent(vkey, mevt);
};
_piano.Controls.Add(vkey);
_piano.TopMost = true;
_piano.Show();
}
/// <summary>
/// Process input midi event.
/// </summary>
void NpMidiIn_MessageReceived(object sender, MidiInMessageEventArgs e)
{
// Decode the message. We only care about a few.
MidiEvent me = MidiEvent.FromRawMessage(e.RawMessage);
NpMidiEventArgs mevt = null;
switch (me.CommandCode)
{
case MidiCommandCode.NoteOn:
{
NoteOnEvent evt = me as NoteOnEvent;
mevt = new NpMidiEventArgs()
{
channel = evt.Channel,
note = evt.NoteNumber,
velocity = evt.Velocity
};
}
break;
case MidiCommandCode.NoteOff:
{
NoteEvent evt = me as NoteEvent;
mevt = new NpMidiEventArgs()
{
channel = evt.Channel,
note = evt.NoteNumber,
velocity = 0
};
}
break;
case MidiCommandCode.ControlChange:
{
ControlChangeEvent evt = me as ControlChangeEvent;
mevt = new NpMidiEventArgs()
{
channel = evt.Channel,
controllerId = (int)evt.Controller,
controllerValue = evt.ControllerValue
};
}
break;
case MidiCommandCode.PitchWheelChange:
{
PitchWheelChangeEvent evt = me as PitchWheelChangeEvent;
mevt = new NpMidiEventArgs()
{
channel = evt.Channel,
controllerId = NpMidiEventArgs.PITCH_CONTROL,
controllerValue = evt.Pitch
};
}
break;
}
if (mevt != null)
{
// Pass it up for handling.
InputEvent?.Invoke(this, mevt);
}
// else ignore??
}
