class Producer;
class Field;
class Multitrack;
+ class Transition;
+ class Filter;
class Tractor : public Producer
{
int set_track( Producer &producer, int index );
Producer *track( int index );
int count( );
+ void plant_transition( Transition &transition, int a_track = 0, int b_track = 1 );
+ void plant_transition( Transition *transition, int a_track = 0, int b_track = 1 );
+ void plant_filter( Filter &filter, int track = 0 );
+ void plant_filter( Filter *filter, int track = 0 );
};
}