private IConcatList <T> Filter(GridSpan <T> gridSpan, Func <T, bool> predict, Action <T> action = null)
{
var result = ConcatList <T> .Empty;
if (gridSpan.IsEmpty)
{
return(result);
}
var startIndex = gridSpan.StartTrack.Ordinal;
var endIndex = gridSpan.EndTrack.Ordinal;
for (int i = startIndex; i <= endIndex; i++)
{
var track = this[i];
if (predict(track))
{
result = result.Concat(track);
}
if (action != null)
{
action(track);
}
}
return(result);
}
internal double GetMeasuredLength(GridSpan <T> gridSpan)
{
if (gridSpan.IsEmpty)
{
return(0);
}
var startOrdinal = gridSpan.StartTrack.Ordinal;
var endOrdinal = gridSpan.EndTrack.Ordinal;
Debug.Assert(startOrdinal >= 0 && startOrdinal <= endOrdinal && endOrdinal < Count);
return(this[endOrdinal].EndOffset - this[startOrdinal].StartOffset);
}
internal double GetMeasuredLength(GridSpan <T> gridSpan, Func <T, bool> predict)
{
if (gridSpan.IsEmpty)
{
return(0);
}
var startOrdinal = gridSpan.StartTrack.Ordinal;
var endOrdinal = gridSpan.EndTrack.Ordinal;
Debug.Assert(startOrdinal >= 0 && startOrdinal <= endOrdinal && endOrdinal < Count);
double result = 0d;
for (int i = startOrdinal; i <= endOrdinal; i++)
{
var track = this[i];
if (predict == null || predict(track))
{
result += track.MeasuredLength;
}
}
return(result);
}
public bool Contains(GridSpan gridSpan)
{
Debug.Assert(StartTrack.Owner == gridSpan.StartTrack.Owner);
return(gridSpan.StartTrack.Ordinal >= StartTrack.Ordinal && gridSpan.EndTrack.Ordinal <= EndTrack.Ordinal);
}
private IConcatList <T> Filter(Func <T, bool> predict, Action <T> action = null)
{
return(Filter(GridSpan <T> .From(this), predict, action));
}
