FloodFill13.java

package hw;
import java.awt.*; 
import java.awt.event.*; 
import java.awt.image.BufferedImage; 
import javax.swing.JFrame; 
import javax.swing.JPanel; 

public class FloodFill13 extends JPanel {
	
	     private BufferedImage image; 
		 private Graphics2D g2; 
		  
		 public static void main(String[] args) { 
			 JFrame frame = new JFrame("Flood Fill Algorithm: "); 
			 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
			 FloodFill13 fill=new FloodFill13(); 
			 frame.add(fill); 
			 frame.pack(); 
			 frame.setVisible(true); 
		 } 
		 public FloodFill13() { 
			 image= new BufferedImage(1000,1000,BufferedImage.TYPE_INT_RGB); 
			 setPreferredSize(new Dimension(image.getWidth(), image.getHeight())); 
			 setMinimumSize(getPreferredSize()); 
			 g2=image.createGraphics(); 
			 g2.setColor(Color.WHITE); 
			 g2.drawRect(150,200,250,100); 
			 addMouseListener(new MouseAdapter() { 
				 public void mouseClicked(MouseEvent e) { 
					 floodFill(e.getX(), e.getY(), image.getRGB(e.getX(), e.getY())); 
				 } 
			 }); 
		 	} 
		 @Override 
		 public void paintComponent(Graphics g) { 
			 g.drawImage(image, 0, 0, null); 
		 } 
		 public void floodFill(int X, int Y, int rgb) { 
			 if(image.getRGB(X,Y)==rgb) 
		 { 
				 image.setRGB(X,Y,Color.yellow.getRGB()); 
				 update(getGraphics()); 
				 floodFill(X-1, Y-1, rgb); 
				 floodFill(X-1,Y+1,rgb); 
				 floodFill(X+1,Y-1,rgb); 
				 floodFill(X+1,Y+1,rgb); 
				 floodFill(X,Y-1,rgb); 
				 floodFill(X,Y+1,rgb); 
				 floodFill(X-1,Y,rgb); 
				 floodFill(X+1,Y,rgb); 
		 	} 
		} 
	}