@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
// resize picture to appropriate size
ImageIcon newPicture = GUI.scaleImage(picture, PICTURE_WIDTH, PICTURE_HEIGHT);
int width = newPicture.getIconWidth();
int height = newPicture.getIconHeight();
// get offsets in order to center picture
int verticalOffset = (PICTURE_HEIGHT - height) / 2;
int horizontalOffset = (PICTURE_WIDTH - width) / 2;
// if the image is thinner than this panel, offset it
// paint the picture
g.drawImage(newPicture.getImage(), horizontalOffset, verticalOffset, this);
// offsets let the image be centered
}
