shape.java

java实现pplive

package com.moveShape;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.util.ArrayList;



public interface Shape 
{
	
	/**
	 * set color
	 * @param g
	 */
	
	public void setColor(Color color ,String colorName);
//	draw self
	public void draw(Graphics g);
	
	
	/**
	 * 
	 * @param g 
	 * @param p -- the point at which the shape is moved
	 */
	public boolean isInside(Point p);
	
	
	/**
	 *  
	 * @param p -- the point at which the shape is moved
	 */
	public void move(Point p);
	
	
	/**register the observer
	 * 
	 * 
	 */
	
	public void registerObserver(MyObserver observer);
	
	
	
	/**
	 * delete obsever
	 */
	
	public void deleteObserver(MyObserver observer);
	
	/**
	 * change Color
	 */
	public void changeColor(Color color,String colorName);
	
	/**
	 * save oneself
	 */
	
	public void save(String filename,int num);
	
	public void setState(boolean state);
	
	public void contain(Shape shape);
	
	public ArrayList<Shape> out();
	
	public String getDescrption();
	
	public Point getULpoint();
	
	public Point getLRpoint();
	
}