/*
 * BranchColouring.java
 *
 * Copyright (C) 2002-2009 Alexei Drummond and Andrew Rambaut
 *
 * This file is part of BEAST.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * BEAST is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * BEAST is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with BEAST; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package dr.evolution.colouring;

import dr.evolution.tree.ColourChange;

import java.util.List;

/**
 * @author Andrew Rambaut
 * @author Alexei Drummond
 * @version $Id$
 */
public interface BranchColouring {
    int getParentColour();

    int getChildColour();

    int getNumEvents();

    int getForwardColourBelow(int i);

    double getForwardTime(int i);

    int getBackwardColourAbove(int i);

    double getBackwardTime(int i);

    int getNextForwardEvent(double height);

    double getTimeInColour(int colour, double parentHeight, double childHeight);

    List<ColourChange> getColourChanges();
}
