itemstatechanged.java

Java写的画板程序

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

class itemstatechanged implements itemstatechanged_interface{
	public Color itemstatechanged(
	JRadioButton c_red,
	JRadioButton c_Yellow,
	JRadioButton c_Green,
	JRadioButton c_Black,
	JRadioButton c_Blue,
	JRadioButton c6,
	ItemEvent e,
	Color c,
	myframe frame		
    )   
    {	
    if(e.getSource()==c_red){					
                            
							c=Color.red;												
				}
				if(e.getSource()==c_Yellow){

                            
							c=Color.yellow;									
				
				}
				if(e.getSource()==c_Green){

                            
							c=Color.green;
														
				}
				if(e.getSource()==c_Black){
                            
							c=Color.black;				
					
			
				}
				if(e.getSource()==c_Blue){
                            
							c=Color.blue;													
				}
				
				if(e.getSource()==c6){                                  //调色板
			   c=JColorChooser.showDialog(frame,"color panel",c);
					}

			    	
    return c;
	}
}