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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 2000-2007, 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.]
*
* -----------------------------
* GradientPaintTransformer.java
* -----------------------------
* (C) Copyright 2003-2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: GradientPaintTransformer.java,v 1.4 2007/04/03 12:34:13 mungady Exp $
*
* Changes
* -------
* 28-Oct-2003 : Version 1 (DG);
*
*/
package org.jfree.ui;
import java.awt.GradientPaint;
import java.awt.Shape;
/**
* The interface for a class that can transform a GradientPaint to
* fit an arbitrary shape.
*
* @author David Gilbert
*/
public interface GradientPaintTransformer {
/**
* Transforms a GradientPaint instance to fit some target
* shape. Classes that implement this method typically return a new
* instance of GradientPaint.
*
* @param paint the original paint (not null).
* @param target the reference area (not null).
*
* @return A transformed paint.
*/
public GradientPaint transform(GradientPaint paint, Shape target);
}