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JCommon is a free general purpose Java class library that is used in several projects at www.jfree.org, including JFreeChart and JFreeReport.
/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -----------------
* TextMeasurer.java
* -----------------
* (C) Copyright 2004, 2005, 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);
*
*/
package org.jfree.text;
/**
* An object that can measure text.
*
* @author David Gilbert
*/
public interface TextMeasurer {
/**
* Calculates the width of a String in the current
* Graphics 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);
}