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optimized track::length()-method

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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@879 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Tobias Doerffel
2008-04-03 22:50:04 +00:00
parent 3e005439c4
commit 3d46ea2c97
1 changed files with 9 additions and 3 deletions
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12
src/core/track.cpp
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@@ -106,6 +106,7 @@ void trackContentObject::movePosition( const midiTime & _pos )
{
addJournalEntry( journalEntry( Move, m_startPosition - _pos ) );
m_startPosition = _pos;
engine::getSong()->updateLength();
}
emit positionChanged();
}
@@ -119,6 +120,7 @@ void trackContentObject::changeLength( const midiTime & _length )
{
addJournalEntry( journalEntry( Resize, m_length - _length ) );
m_length = _length;
engine::getSong()->updateLength();
}
emit lengthChanged();
}
@@ -1615,13 +1617,17 @@ void track::removeTact( const midiTime & _pos )
tact track::length( void ) const
{
// find last end-position
midiTime last = 0;
Sint32 last = 0;
for( tcoVector::const_iterator it = m_trackContentObjects.begin();
it != m_trackContentObjects.end(); ++it )
{
last = tMax( ( *it )->endPosition(), last );
const Sint32 cur = ( *it )->endPosition();
if( cur > last )
{
last = cur;
}
}
return( last.getTact() + ( ( last.getTact64th() != 0 ) ? 1 : 0 ) );
return( last/64 + 1 );
}