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/**
 * $Id: mxConnectionConstraint.java,v 1.2 2010-04-29 09:33:53 gaudenz Exp $
 * Copyright (c) 2007, Gaudenz Alder
 */
package com.mxgraph.view;

import com.mxgraph.util.mxPoint;

/**
 * Defines an object that contains the constraints about how to connect one
 * side of an edge to its terminal.
 */
public class mxConnectionConstraint
{
	/**
	 * Point that specifies the fixed location of the connection point.
	 */
	protected mxPoint point;

	/**
	 * Boolean that specifies if the point should be projected onto the perimeter
	 * of the terminal.
	 */
	protected boolean perimeter;

	/**
	 * Constructs an empty connection constraint.
	 */
	public mxConnectionConstraint()
	{
		this(null);
	}

	/**
	 * Constructs a connection constraint for the given point.
	 */
	public mxConnectionConstraint(mxPoint point)
	{
		this(point, true);
	}

	/**
	 * Constructs a new connection constraint for the given point and boolean
	 * arguments.
	 * 
	 * @param point Optional mxPoint that specifies the fixed location of the point
	 * in relative coordinates. Default is null.
	 * @param perimeter Optional boolean that specifies if the fixed point should be
	 * projected onto the perimeter of the terminal. Default is true.
	 */
	public mxConnectionConstraint(mxPoint point, boolean perimeter)
	{
		setPoint(point);
		setPerimeter(perimeter);
	}

	/**
	 * Returns the point.
	 */
	public mxPoint getPoint()
	{
		return point;
	}

	/**
	 * Sets the point.
	 */
	public void setPoint(mxPoint value)
	{
		point = value;
	}

	/**
	 * Returns perimeter.
	 */
	public boolean isPerimeter()
	{
		return perimeter;
	}

	/**
	 * Sets perimeter.
	 */
	public void setPerimeter(boolean value)
	{
		perimeter = value;
	}

}