RestSymbol[] GetRests(TimeSignature time, int start, int end)
{
RestSymbol[] result;
RestSymbol r1, r2;
if (end - start < 0)
{
return(null);
}
NoteDuration dur = time.GetNoteDuration(end - start);
switch (dur)
{
case NoteDuration.Whole:
case NoteDuration.Half:
case NoteDuration.Quarter:
case NoteDuration.Eighth:
r1 = new RestSymbol(start, dur);
result = new RestSymbol[] { r1 };
return(result);
case NoteDuration.DottedHalf:
r1 = new RestSymbol(start, NoteDuration.Half);
r2 = new RestSymbol(start + time.Quarter * 2,
NoteDuration.Quarter);
result = new RestSymbol[] { r1, r2 };
return(result);
case NoteDuration.DottedQuarter:
r1 = new RestSymbol(start, NoteDuration.Quarter);
r2 = new RestSymbol(start + time.Quarter,
NoteDuration.Eighth);
result = new RestSymbol[] { r1, r2 };
return(result);
case NoteDuration.DottedEighth:
r1 = new RestSymbol(start, NoteDuration.Eighth);
r2 = new RestSymbol(start + time.Quarter / 2,
NoteDuration.Sixteenth);
result = new RestSymbol[] { r1, r2 };
return(result);
default:
return(null);
}
}
/** Return the rest symbols needed to fill the time interval between
* start and end. If no rests are needed, return nil.
*/
private RestSymbol[] GetRests(TimeSignature time, int start, int end)
{
RestSymbol[] result;
RestSymbol r1, r2;
if (end - start < 0)
return null;
NoteDuration dur = time.GetNoteDuration(end - start);
switch (dur) {
case NoteDuration.Whole:
case NoteDuration.Half:
case NoteDuration.Quarter:
case NoteDuration.Eighth:
r1 = new RestSymbol(start, dur);
result = new RestSymbol[]{ r1 };
return result;
case NoteDuration.DottedHalf:
r1 = new RestSymbol(start, NoteDuration.Half);
r2 = new RestSymbol(start + time.Quarter*2,
NoteDuration.Quarter);
result = new RestSymbol[]{ r1, r2 };
return result;
case NoteDuration.DottedQuarter:
r1 = new RestSymbol(start, NoteDuration.Quarter);
r2 = new RestSymbol(start + time.Quarter,
NoteDuration.Eighth);
result = new RestSymbol[]{ r1, r2 };
return result;
case NoteDuration.DottedEighth:
r1 = new RestSymbol(start, NoteDuration.Eighth);
r2 = new RestSymbol(start + time.Quarter/2,
NoteDuration.Sixteenth);
result = new RestSymbol[]{ r1, r2 };
return result;
default:
return null;
}
}
