private string Calculate(clsFileStream fs, int?inertia)
{
KeysList = new List <clsKeysAlg>();
KeysLabels = new List <string>();
clsKeysAlg.eAlg alg = clsKeysAlg.eAlg.Weighted;
if (optAlgFlat.Checked)
{
alg = clsKeysAlg.eAlg.Flat;
}
//clsFileStream csvfileconv;
clsNoteMap notemap;
if (chkChordFile.Checked)
{
if (P.F.CF?.Evs == null || P.F.CF.Evs.Count == 0)
{
return("Empty ChordFile");
}
notemap = P.F.CF.NoteMap;
}
else
{
if (fs != null)
{
notemap = fs.NoteMap;
}
else
{
try {
notemap = (new clsFileStream(FileName, TrkSelect, true, false, true)).NoteMap;
}
catch (MidiFileException exc) {
return("MidiFileException: " + exc.Message);
}
}
}
clsKeysAlg.eProfile profile = clsKeysAlg.eProfile.Default;
if (optProfileJazz.Checked)
{
profile = clsKeysAlg.eProfile.Jazz;
}
else if (optProfileSpecial.Checked)
{
profile = clsKeysAlg.eProfile.Special;
}
Segments = new clsKeysAlg.clsSegments(notemap);
if (Segments.indEmpty)
{
return("Empty Tracks");
}
CF = (chkLoadTxt.Checked && P.F.CF != null) ? CF = P.F.CF : null;
KeysLabels.Add("Txt"); //leave in, even if text not present
clsKeysAlg.Alg = alg;
//clsKeysAlg.Trace = indTrace;
clsKeysAlg.Segments = Segments;
if (inertia.HasValue)
{
AddToKeysList(alg, profile, inertia.Value);
}
else
{
AddToKeysList(alg, profile, 0);
AddToKeysList(alg, profile, 30);
AddToKeysList(alg, profile, 50);
AddToKeysList(alg, profile, 70);
AddToKeysList(alg, profile, 90);
AddToKeysList(alg, profile, 110);
}
CalcMinorScores();
PopulatelvMod(true);
//cmdDebugSegs.Enabled = true;
return("");
}
private void CalcMinorScores()
{
//* calculate minor key scores for different minor key types
//* use currently selected inertia(penalty), alg, profile
//* calculate totals of each pitchclass for segements(bars) in a minor key
int[] pctots = new int[12]; //pitchclass totals
for (int i = 0; i < 12; i++)
{
pctots[i] = 0;
}
int index = (KeysList.Count > 1) ? GetInertia() : 0;
if (KeysList.Count == 0)
{
LogicError.Throw(eStopError.Y003); //unable to reproduce this, but it did happen!
return;
}
clsKeysAlg keysalg = KeysList[index];
clsKeysAlg.clsSegments segs = clsKeysAlg.Segments;
for (int segnum = 0; segnum < keysalg.Keys.Count; segnum++)
{
clsKeyTicks key = keysalg.Keys[segnum];
if (key != null && key.Scale == "minor")
{
if (segnum != key.BBT.Bar)
{
LogicError.Throw(eLogicError.X094);
break;
}
for (int pc = 0; pc < 12; pc++)
{
pctots[pc] += segs.Segs[segnum][pc];
}
}
}
//* calculate totals of l/l- t/t- combinations
int totharmonic = pctots[8] + pctots[11]; //l- t
int totmelup = pctots[9] + pctots[11]; //l t
int totmeldown = pctots[8] + pctots[10]; //l- t-
int totspecial = pctots[9] + pctots[10]; //l t-
lblTotHarmonic.Text = totharmonic.ToString();
lblTotMelUp.Text = totmelup.ToString();
lblTotMelDown.Text = totmeldown.ToString();
lblTotSpecial.Text = totspecial.ToString();
eMinorKeyType maxtottype = eMinorKeyType.Harmonic;
int maxtot = totharmonic;
if (totmelup > maxtot)
{
maxtottype = eMinorKeyType.MelodicUp;
maxtot = totmelup;
}
if (totmeldown > maxtot)
{
maxtottype = eMinorKeyType.MelodicDown;
maxtot = totmeldown;
}
if (totspecial > maxtot)
{
maxtottype = eMinorKeyType.Special;
maxtot = totspecial;
}
FontStyle fontstyle;
fontstyle = (maxtottype == eMinorKeyType.Harmonic) ? FontStyle.Bold : FontStyle.Regular;
lblTotHarmonic.Font = new Font(lblTotHarmonic.Font, fontstyle);
fontstyle = (maxtottype == eMinorKeyType.MelodicUp) ? FontStyle.Bold : FontStyle.Regular;
lblTotMelUp.Font = new Font(lblTotMelUp.Font, fontstyle);
fontstyle = (maxtottype == eMinorKeyType.MelodicDown) ? FontStyle.Bold : FontStyle.Regular;
lblTotMelDown.Font = new Font(lblTotMelDown.Font, fontstyle);
fontstyle = (maxtottype == eMinorKeyType.Special) ? FontStyle.Bold : FontStyle.Regular;
lblTotSpecial.Font = new Font(lblTotSpecial.Font, fontstyle);
if (chkUseHighestMinorKeyType.Checked)
{
P.frmStart.MinorKeyType = maxtottype;
}
}