对失效组件添加模糊效果，失效组件模糊,public class

对失效组件添加模糊效果，失效组件模糊,public class

public class BlurJButton extends JButton {        public BlurJButton(String text) {            super(text);        }        public void paintComponent(Graphics g) {            if(isEnabled()) {            super.paintComponent(g);            return;        }        BufferedImage buf = new BufferedImage(getWidth(),getHeight(),                BufferedImage.TYPE_INT_RGB);                super.paintComponent(buf.getGraphics());        // Blur the buffered image (see next section)        }     }    float[] my_kernel = {        0.10f, 0.10f, 0.10f,        0.10f, 0.20f, 0.10f,        0.10f, 0.10f, 0.10f };    ConvolveOp op = new ConvolveOp(new Kernel(3,3, my_kernel));    Image img = op.filter(buf,null);    g.drawImage(img,0,0,null);}    public static void main(String[] args) {        JFrame frame = new JFrame("Blurred Button Hack");            final JButton button = new BlurJButton("A Blurred Button");            JButton control = new JButton("Switch");            control.addActionListener(new ActionListener() {                public void actionPerformed(ActionEvent evt) {                button.setEnabled(!button.isEnabled());                }            });            frame.getContentPane().add(button);            frame.getContentPane().add("South",control);            frame.pack();            frame.show();        }//该片段来自于http://byrx.net