Ajouter une image dans un GridLayout

public class ImageComponent extends java.awt.Component
{
    private static final long serialVersionUID = 1;

    private final java.awt.Image img;
        
    public ImageComponent(java.awt.Image image)
    {
        img = image;
    }
    
    @Override
    public void paint(java.awt.Graphics g)
    {
        g.drawImage(img, 0, 0, getWidth(), getHeight(), null, null);
    }
}

public class Test
{
    public static void main(String[] args) throws IOException
    {
        JFrame frame = new JFrame();
        frame.setSize(300, 300);
        frame.setLayout(new GridLayout(2,2));
        
        frame.add(new ImageComponent(new ImageIcon("C:/rouge.png").getImage()));
        frame.add(new ImageComponent(Toolkit.getDefaultToolkit().getImage("C:/vert.png")));
        frame.add(new ImageComponent(ImageIO.read(new File("C:/bleu.png"))));
        
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}