public Chord(Chord chord)
{
Root = chord.Root;
intervals = chord.GetIntervals();
Inversion = chord.Inversion;
}
/// <summary>
/// Returns a list of chords represented by this chord progression
/// </summary>
/// <returns></returns>
public Chord[] GetChords()
{
if (knownChords != null)
{
return(knownChords);
}
Chord[] chords = new Chord[progressionElements.Length];
Pattern scalePattern = key.Scale.Intervals.SetRoot(key.Root).GetPattern();
string[] scaleNotes = scalePattern.ToString().Split(' ');
int counter = 0;
foreach (string progressionElement in progressionElements)
{
Note rootNote = NoteProviderFactory.GetNoteProvider()
.CreateNote(scaleNotes[RomanNumeralToIndex(progressionElement)]);
rootNote.UseSameDurationAs(key.Root);
Intervals intervals = Chord.MAJOR_INTERVALS;
if ((progressionElement[0] == 'i') || (progressionElement[0] == 'v'))
{
// Checking to see if the progression element is lowercase
intervals = Chord.MINOR_INTERVALS;
}
if ((progressionElement.ToLower().IndexOf("o") > 0) || (progressionElement.ToLower().IndexOf("d") > 0))
{
// Checking to see if the progression element is diminished
intervals = Chord.DIMINISHED_INTERVALS;
}
if (progressionElement.EndsWith("7"))
{
if (intervals.Equals(Chord.MAJOR_INTERVALS))
{
intervals = Chord.MAJOR_SEVENTH_INTERVALS;
}
else if (intervals.Equals(Chord.MINOR_INTERVALS))
{
intervals = Chord.MINOR_SEVENTH_INTERVALS;
}
else if (intervals.Equals(Chord.DIMINISHED_INTERVALS))
{
intervals = Chord.DIMINISHED_SEVENTH_INTERVALS;
}
}
if (progressionElement.EndsWith("7%6"))
{
if (intervals.Equals(Chord.MAJOR_INTERVALS))
{
intervals = Chord.MAJOR_SEVENTH_SIXTH_INTERVALS;
}
else if (intervals.Equals(Chord.MINOR_INTERVALS))
{
intervals = Chord.MINOR_SEVENTH_SIXTH_INTERVALS;
}
}
// Check for inversions
int inversions = CountInversions(progressionElement);
chords[counter] = new Chord(rootNote, intervals);
if (inversions > 0)
{
chords[counter].Inversion = inversions;
}
counter++;
}
return(chords);
}
protected bool Equals(Chord other)
{
return(Equals(Root, other.Root) && Equals(intervals, other.intervals) && Inversion == other.Inversion);
}
