private static BufferedImage makeBufferedImage(Icon icon, int w, int h) {
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = image.createGraphics();
icon.paintIcon(null, g, (w - icon.getIconWidth()) / 2, (h - icon.getIconWidth()) / 2);
g.dispose();
return image;
}
static Icon reescala(Icon ic, int maxW, int maxH) {
if (ic == null) {
return null;
}
if (ic.getIconHeight() == maxH && ic.getIconWidth() == maxW) {
return ic;
}
BufferedImage bi =
new BufferedImage(ic.getIconHeight(), ic.getIconWidth(), BufferedImage.TYPE_INT_ARGB);
Graphics g = bi.createGraphics();
ic.paintIcon(null, g, 0, 0);
g.dispose();
Image bf = bi.getScaledInstance(maxW, maxH, Image.SCALE_SMOOTH);
return new ImageIcon(bf);
}