/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ------------------
* VisibilityIRS.java
* ------------------
* (C) Copyright 2013, by Michael Zinsmaier.
*
* Original Author: Michael Zinsmaier;
* Contributor(s): -;
*
* Changes
* -------
* 17-Sep-2013 : Version 1 (MZ);
*
*/
package org.jfree.chart.renderer.item;
import java.io.Serializable;
import org.jfree.chart.renderer.AbstractRenderer;
/**
* Defines an interface to control the visibility of individual items during
* rendering. Implementing classes can be used together with subclasses of
* {@link AbstractRenderer} to control the rendering process.<br>
* Works however only if the descendant of {@link AbstractRenderer} uses the
* per item method {@link AbstractRenderer#getItemVisible(int, int)}
*
* @author zinsmaie
*/
public interface VisibilityIRS extends Serializable {
/**
* Specifies an individual item by row, column and returns true if it is
* visible.
*
* @param row the row (or series) index (zero-based).
* @param column the column (or category) index (zero-based).
*
* @return true if the item is visible
*/
public boolean getItemVisible(int row, int column);
}