/*
 * Copyright (C) 1998  Ralf Wiebicke
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package de.rw7.polygon;

import java.awt.Polygon;

public interface Algo
{
	public void setPolygon(Polygon P);

	/**
	  * Ermittelt, ob der Punkt mit den Koordinaten x und y im Polygon liegt.
	  * @return -1 wenn der Punkt außerhalb liegt,
	             0 wenn der Punkt auf der Polygonkante liegt und
	             1 wenn der Punkt innerhalb des Polygons liegt.
	            andere Werte können zur Diagnose verwendet werden.
	*/
	public int isInside(int x, int y);
}