// ---------------------------------------------------------------------------
// Cropper function call operator
// ---------------------------------------------------------------------------
// Trim a Partial by removing Breakpoints outside a specified time span.
// Insert a Breakpoint at the boundary when cropping occurs.
//
void
Cropper::operator()( Partial & p ) const
{
// crop beginning of Partial
Partial::iterator it = p.findAfter( minTime );
if ( it != p.begin() ) // Partial begins earlier than minTime
{
if ( it != p.end() ) // Partial ends later than minTime
{
Breakpoint bp = p.parametersAt( minTime );
it = p.insert( minTime, bp );
}
it = p.erase( p.begin(), it );
}
// crop end of Partial
it = p.findAfter( maxTime );
if ( it != p.end() ) // Partial ends later than maxTime
{
if ( it != p.begin() ) // Partial begins earlier than maxTime
{
Breakpoint bp = p.parametersAt( maxTime );
it = p.insert( maxTime, bp );
++it; // advance, we don't want to cut this one off
}
it = p.erase( it, p.end() );
}
}
