/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2012, 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.]
 *
 * -----------------
 * TextMeasurer.java
 * -----------------
 * (C) Copyright 2004-2012, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: TextMeasurer.java,v 1.4 2005/10/18 13:17:16 mungady Exp $
 *
 * Changes
 * -------
 * 07-Jan-2004 : Version 1 (DG);
 * 17-Jun-2012 : Moved from JCommon to JFreeChart (DG);
 *
 */

package org.jfree.chart.text;

/**
 * An object that can measure text.
 */
public interface TextMeasurer {

    /**
     * Calculates the width of a <code>String</code> in the current 
     * <code>Graphics</code> context.
     *
     * @param text  the text.
     * @param start  the start position of the substring to be measured.
     * @param end  the position of the last character to be measured.
     *
     * @return The width of the string in Java2D units.
     */
    public float getStringWidth(String text, int start, int end);
    
}
