public static ObservableCollection<int> Create_DefaultVoicing(PianoKey.KeyTypes keyType, PianoLibrary.Model.Chords.ChordDefinition.Modes mode)
{
ObservableCollection<int> notes = new ObservableCollection<int>();
int offset = Piano.GetOffset(keyType);
// Add Base (1 at Octave 3)
notes.Add((12 * 2) + offset);
// Chord root
notes.Add((12 * 3 ) + offset);
// Chord 3rd
if (mode == PianoLibrary.Model.Chords.ChordDefinition.Modes.Major)
{
notes.Add((12 * 3)+ offset + 4);
}
else
{
notes.Add((12 * 3) + offset + 3);
}
// Chord 5th
notes.Add((12 * 3) + offset + 7);
return notes;
}
public static int GetKeyOffset(PianoKey.KeyTypes keyType)
{
switch (keyType)
{
case PianoKey.KeyTypes.A:
{
return 0;
}
case PianoKey.KeyTypes.ASharp:
{
return 8;
}
case PianoKey.KeyTypes.B:
{
return 10;
}
case PianoKey.KeyTypes.C:
{
return 20;
}
case PianoKey.KeyTypes.CSharp:
{
return 26;
}
case PianoKey.KeyTypes.D:
{
return 30;
}
case PianoKey.KeyTypes.DSharp:
{
return 38;
}
case PianoKey.KeyTypes.E:
{
return 40;
}
case PianoKey.KeyTypes.F:
{
return 50;
}
case PianoKey.KeyTypes.FSharp:
{
return 56;
}
case PianoKey.KeyTypes.G:
{
return 60;
}
case PianoKey.KeyTypes.GSharp:
{
return 67;
}
default:
{
return 10000;
}
}
}
public static Polygon GetKeyShape(PianoKey.KeyTypes keyType, bool isLeftEdge, bool isRightEdge)
{
// White 10 width
// Black 6 with
// black 4 inside the white in the outside. (...?)
Polygon p = new Polygon();
p.Stroke = Brushes.Black;
if (isLeftEdge)
{
return LeftKey();
}
if (isRightEdge)
{
return NormalKey();
}
switch (keyType)
{
case PianoKey.KeyTypes.C:
{
return LeftKey();
}
case PianoKey.KeyTypes.D:
{
return MiddleKey();
}
case PianoKey.KeyTypes.E:
{
return RightKey();
}
case PianoKey.KeyTypes.F:
{
return LeftKey();
}
case PianoKey.KeyTypes.G:
{
return G();
}
case PianoKey.KeyTypes.A:
{
return A();
}
case PianoKey.KeyTypes.B:
{
return RightKey();
}
default:
{
return BlackKey();
}
}
}
protected virtual void GeneratePiano()
{
PianoKey.KeyTypes currentKey = PianoKey.KeyTypes.A;
short octave = 0;
for (int i = 0; i < 88; i++)
{
if (currentKey == PianoKey.KeyTypes.A) { octave++; }
Keys[i] = new PianoKey(currentKey, octave);
currentKey = PianoKey.NextKey(currentKey);
}
}
public static int GetOffset(PianoKey.KeyTypes key)
{
IList<PianoKey.KeyTypes> keys = Enum.GetValues(typeof(PianoKey.KeyTypes)).Cast<PianoKey.KeyTypes>().ToList<PianoKey.KeyTypes>();
return keys.ToList<PianoKey.KeyTypes>().IndexOf(key);
}