protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
Composite comp = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
g2.setColor(bgColor);
g2.fillRect(0, 0, 26, getHeight());
g2.setColor(getBackground().darker());
g2.drawLine(26, 1, 26, getHeight() - 1);
g2.setComposite(comp);
g2.drawImage(img, 3, 3, 3 + SIZE, 3 + SIZE, 0, 0, SIZE, SIZE, null);
// g2.dispose();
}
