redcommand.java

来自「源码为科学出版社出版的英文<java设计模式>(影印版)所用的所有例」· Java 代码 · 共 21 行

package Undo;

import java.awt.*;
import javax.swing.*;

public class redCommand extends drawCommand {
   public redCommand(JPanel p1) {
      super(p1);
      x = 0;
      y = 0;
      dx = 20;
      dy = 0;
      color = Color.red;
   }
   public void setPanel(JPanel p1) {
     p = p1;
   

  }
}