/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.

 *

 * Project Info:  http://www.jfree.org/jfreechart/index.html

 *

 * This library 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 2.1 of the License, or (at your option) any later version.

 *

 * This library 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 this

 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

 * in the United States and other countries.]

 *

 * ------------------

 * ValueAxisPlot.java

 * ------------------

 *

 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.

 *

 * Original Author:  David Gilbert (for Object Refinery Limited);

 * Contributor(s):   -;

 *

 * Changes

 * -------

 * 07-May-2003 : Version 1 (DG);

 *

 */



package org.jfree.chart.plot;



import org.jfree.chart.axis.ValueAxis;

import org.jfree.data.Range;



/**

 * An interface that is implemented by plots that use a {@link ValueAxis}, providing a standard

 * method to find the current data range.

 *

 */

public interface ValueAxisPlot {



    /**

     * Returns the data range that should apply for the specified axis.

     *

     * @param axis  the axis.

     *

     * @return The data range.

     */

    public Range getDataRange(ValueAxis axis);



    /**

     * Multiplies the range on the horizontal axis/axes by the specified factor.

     *

     * @param factor  the zoom factor.

     */

    public void zoomHorizontalAxes(double factor);



    /**

     * Zooms in on the horizontal axes.

     * 

     * @param lowerPercent  the new lower bound.

     * @param upperPercent  the new upper bound.

     */

    public void zoomHorizontalAxes(double lowerPercent, double upperPercent);



    /**

     * Multiplies the range on the vertical axis/axes by the specified factor.

     *

     * @param factor  the zoom factor.

     */

    public void zoomVerticalAxes(double factor);



    /**

     * Zooms in on the vertical axes.

     * 

     * @param lowerPercent  the new lower bound.

     * @param upperPercent  the new upper bound.

     */

    public void zoomVerticalAxes(double lowerPercent, double upperPercent);



}

