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//******************************************************************************
//
// File: Outline.java
// Package: edu.rit.draw.item
// Unit: Interface edu.rit.draw.item.Outline
//
// This Java source file is copyright (C) 2006 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java Library ("PJ"). PJ is free
// software; you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// PJ 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 General Public License for more details.
//
// Linking this library statically or dynamically with other modules is making a
// combined work based on this library. Thus, the terms and conditions of the
// GNU General Public License cover the whole combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent modules, and
// to copy and distribute the resulting executable under terms of your choice,
// provided that you also meet, for each linked independent module, the terms
// and conditions of the license of that module. An independent module is a
// module which is not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the library, but
// you are not obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.draw.item;
import java.awt.Graphics2D;
import java.io.Externalizable;
/**
* Interface Outline specifies the interface for an object that gives the stroke
* and paint with which to outline an area in a {@linkplain DrawingItem}.
* <P>
* All outline objects must be externalizable so they can be stored in a drawing
* file.
*
* @author Alan Kaminsky
* @version 10-Jul-2006
*/
public interface Outline
extends Externalizable
{
// Exported constants.
/**
* Specify <TT>Outline.NONE</TT> to omit drawing a drawing item's outline.
*/
public static final Outline NONE = null;
// Exported operations.
/**
* Returns the stroke width of this outline.
*
* @return Stroke width.
*/
public float getStrokeWidth();
/**
* Set the given graphics context's stroke and paint attributes as specified
* by this outline object.
*
* @param g2d 2-D graphics context.
*/
public void setGraphicsContext
(Graphics2D g2d);
}
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