public static string ToStringEx(this ToneNameEnum tone, bool sharp = false)
{
var ret = string.Empty;
if (tone != ToneNameEnum.NotSet)
{
if (sharp)
{
if (tone == ToneNameEnum.Gb)
{
ret = "F#";
}
else if (tone == ToneNameEnum.Ab)
{
ret = "G#";
}
else if (tone == ToneNameEnum.Ab)
{
ret = "G#";
}
ret = tone.ToString();
}
else
{
ret = tone.ToString();
}
}
return(ret);
}
public static ToneNameData1 ToToneNameData1(this ToneNameEnum tone)
{
if (tone == ToneNameEnum.NotSet)
{
return(ToneNameData1.NotSet);
}
return((ToneNameData1)(ToneNameData1.BaseValue.ToInt() + tone.ToInt()));
}
public static ToneNameEnum PreviousWholeNote(this ToneNameEnum tone)
{
var ret = tone.PreviousSemiNote();
if (ret.IsFlat())
{
ret = ret.PreviousSemiNote();
}
return(ret);
}
public static ToneNameEnum PreviousSemiNote(this ToneNameEnum tone)
{
var prev = tone.ToInt() - 1;
if (prev < 0)
{
prev = ToneNameEnum.Eb.ToInt();
}
return((ToneNameEnum)prev);
}
public static ToneNameEnum NextWholeNote(this ToneNameEnum tone)
{
var ret = tone.NextSemiNote();
if (ret.IsFlat())
{
ret = ret.NextSemiNote();
}
return(ret);
}
public static ToneNameEnum NextSemiNote(this ToneNameEnum tone)
{
var next = tone.ToInt() + 1;
if (next > ToneNameEnum.Eb.ToInt())
{
next = ToneNameEnum.E.ToInt();
}
return((ToneNameEnum)next);
}
public static string GetToneLetter(this ToneNameEnum tone, bool sharp = false)
{
var ret = string.Empty;
if (tone.IsNotNull())
{
if (sharp && tone.IsFlat())
{
ret = tone.PreviousSemiNote().GetToneLetter();
}
else
{
tone.ToStringEx().IfNotEmpty(x => ret = x.First().ToString());
}
}
return(ret);
}
public static bool IsFlat(this ToneNameEnum tone)
{
return(tone == ToneNameEnum.Gb || tone == ToneNameEnum.Ab || tone == ToneNameEnum.Bb || tone == ToneNameEnum.Db || tone == ToneNameEnum.Eb);
}
public static bool IsNull(this ToneNameEnum tone)
{
return(tone == ToneNameEnum.NotSet);
}
static ECToneNameEnum GetECToneName(ToneNameEnum tone)
{
return (ECToneNameEnum)((((int)tone) + 4) % 12);
}
static ECToneNameEnum GetECToneName(ToneNameEnum tone)
{
return((ECToneNameEnum)((((int)tone) + 4) % 12));
}
