drawcommand.java

<设计模式-Java语言中的应用> 的源码

package drawer;

import command.Command;
import java.awt.Point;

public class DrawCommand implements Command {
    // 绘制对象
    protected Drawable drawable;
    // 绘制位置
    private Point position;
    // 构造子
    public DrawCommand(Drawable drawable, Point position) {
        this.drawable = drawable;
        this.position = position;
    }
    // 执行
    public void execute() {
        drawable.draw(position.x, position.y);
    }
}