/// <summary>
/// Turn off string
/// </summary>
/// <param name="stringId"></param>
private void TurnOffString(int stringId)
{
MyRectangle stringRect = new MyRectangle();
switch (stringId)
{
case 0:
stringRect = string0;
break;
case 1:
stringRect = string1;
break;
case 2:
stringRect = string2;
break;
case 3:
stringRect = string3;
break;
}
stringRect.Height = 1;
stringRect.Stroke = stringRect.Fill = stringOffColor;
// string played
stringInfos[3 - stringId].Played = false;
Invalidate();
}
public void Send(ChannelMessage message)
{
if (message.Command == ChannelCommand.NoteOn &&
message.Data1 >= LowNoteID && message.Data1 <= HighNoteID)
{
if (message.Data2 > 0)
{
if (!dicNotesOn.ContainsKey(message.Data1))
{
var row = 0;
var col = 0;
var stringId = 0;
MyRectangle stringRect = new MyRectangle();
//We look for the StringInfo matching the
//note information
var stringInfo = GetStringInfo(message.Data1);
if (stringInfo.Rect != null)
{
row = stringInfo.Row;
col = message.Data1 - stringInfo.Min; // Exemple E Low = 40, so 40 - 40 = 0 ie fret = 0
stringRect = stringInfo.Rect;
stringId = stringInfo.Row;
// paint played string
stringRect.Stroke = stringRect.Fill = stringOnColor;
stringRect.Height = 1;
// String played
stringInfos[3 - stringId].Played = true;
//This border shows which note
//is being played
var noteOn = new Border()
{
Width = 28,
Height = 18,
BackgroundBrush = innerColor,
BorderPen = outerColor,
Tag = stringId,
CornerRadius = 5
};
//This text block displays
//the fret number
var txt = new TextBlock()
{
Text = col.ToString(),
Foreground = fontBrush,
HorizontalAlignment = StringAlignment.Center,
VerticalAlignment = StringAlignment.Center,
//FontWeight = FontWeights.Bold,
FontSize = 10
};
noteOn.Child = txt;
// Add note to dictionary
dicNotesOn.Add(message.Data1, noteOn);
// Locate Border
noteOn.Top = stringRect.Rect.Y - noteOn.Height / 2;
if (col < FretLocations.Count)
{
noteOn.Left = FretLocations[col] - noteOn.Width; // - FretWidth;
}
this.Controls.Add(noteOn);
noteOn.BringToFront();
Invalidate();
}
}
}
else if (message.Data2 == 0)
{
if (dicNotesOn.ContainsKey(message.Data1))
{
var noteOff = dicNotesOn[message.Data1];
dicNotesOn.Remove(message.Data1);
this.Controls.Remove(noteOff);
var stringId = (int)noteOff.Tag;
TurnOffString(stringId);
}
}
}
else if (message.Command == ChannelCommand.NoteOff)
{
if (dicNotesOn.ContainsKey(message.Data1))
{
var noteOff = dicNotesOn[message.Data1];
dicNotesOn.Remove(message.Data1);
this.Controls.Remove(noteOff);
var stringId = (int)noteOff.Tag;
TurnOffString(stringId);
}
}
}
