internal void ApplyTrim(eAlign aligntrim, int qilo, int qihi,
int qiquant, int qiinner, int qiouter)
{
//* trim syncopated notes
//* uses OnOffPair - apply before other filters
bool pretrim = P.frmCfgChords.chkTrimPre.Checked;
bool posttrim = P.frmCfgChords.chkTrimPost.Checked;
if (qiinner == 0 || qiouter == 0)
{
return;
}
if (!pretrim && !posttrim)
{
return;
}
int ticksperqi = P.F.TicksPerQI;
if (OnOffPairs == null)
{
CreateOnOffPairs();
}
for (int n = 0; n < 12; n++)
{
clsOnOffPairs pairs = OnOffPairs[n];
if (pretrim)
{
clsMTime.clsSegment startseg = GetStartSeg(aligntrim, qilo, qihi, qiquant, ticksperqi);
for (clsMTime.clsSegment segment = startseg; !segment.OOR; segment++)
{
if (qiinner > segment.SegQIWidth / 2)
{
continue; //'before' too large
}
if (qiouter < segment.SegQIWidth / 8)
{
continue; //'after' too small
}
//* check if trim required
int indexoffq = pairs.IndexOffQ(segment.SegQILo); //first ON at or after SeqQILo
if (indexoffq < 0)
{
continue; //after last event
}
int offq = pairs.Off(indexoffq);
if (offq > segment.SegQILo + qiinner)
{
continue;
}
int onq = pairs.On(indexoffq);
if (onq > segment.SegQILo - qiouter)
{
continue;
}
//* trim
//for (int q = offq; q >= segment.SegQILo; q--) SetF(q, n, false);
for (int q = segment.SegQILo; q < segment.SegQILo + qiinner; q++)
{
SetF(q, n, false);
}
}
}
if (posttrim)
{
clsMTime.clsSegment startseg = GetStartSeg(aligntrim, qilo, qihi, qiquant, ticksperqi);
for (clsMTime.clsSegment segment = startseg; !segment.OOR; segment++)
{
if (qiinner > segment.SegQIWidth / 2)
{
continue; //'before' too large
}
if (qiouter < segment.SegQIWidth / 8)
{
continue; //'after' too small
}
//* check if trim required
int indexonq = pairs.IndexOnQ(segment.SegQIHi); //first ON at or before SeqQIHi
if (indexonq < 0)
{
continue; //before first event
}
int onq = pairs.On(indexonq);
if (onq < segment.SegQIHi + 1 - qiinner)
{
continue;
}
int offq = pairs.Off(indexonq);
if (offq < segment.SegQIHi + 1 + qiouter)
{
continue;
}
//* trim
//for (int q = onq; q <= segment.SegQIHi; q++) SetF(q, n, false)
for (int q = segment.SegQIHi; q > segment.SegQIHi - qiouter; q--)
{
SetF(q, n, false);
}
}
}
}
}
