painter.java

来自「开源（Open Source）项目JHotDraw的文档和源程序」· Java 代码 · 共 33 行

/*
 * @(#)Painter.java 5.2
 *
 */

package CH.ifa.draw.framework;

import java.awt.*;
import java.io.Serializable;

/**
 * Painter defines the interface for drawing a layer
 * into a DrawingView.<p>
 *
 * <hr>
 * <b>Design Patterns</b><P>
 * <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
 * <b><a href=../pattlets/sld034.htm>Strategy</a></b><br>
 * Painter encapsulates an algorithm to render something in
 * the DrawingView. The DrawingView plays the role of the StrategyContext.
 * <hr>
 * @see DrawingView
 */

public interface Painter extends Serializable {

    /**
     * Draws into the given DrawingView.
     */
    public void draw(Graphics g, DrawingView view);

}