protected void paintComponent(Graphics g) {
if (this.paintProvider != null) {
Paint p = this.paintProvider.getPaint(this);
Graphics2D g2d = (Graphics2D) g;
int w = this.getWidth();
int h = this.getHeight();
g2d.setPaint(p);
g2d.fillRect(0, 0, w, h);
this.setOpaque(false);
}
super.paintComponent(g);
// this.setOpaque (true);
}
@Override
public void paintComponent(Graphics g) {
g.drawImage(back, 0, 0, null);
super.paintComponent(g);
}