Salvar uma imagem com fundo preto - Resolvido

g2d.setBackground(Color.black);

g2d.drawImage(fundoPreto, 0, 0, null);
		g2d.drawImage(bi, 0, 0, null);

try {
			BufferedImage bi = ImageIO.read(new File("c:/1.gif"));
			BufferedImage bi2 = ImageIO.read(new File("c:/2.gif"));
			BufferedImage fundo = ImageIO.read(new File("c:/fundo.png"));

			
			BufferedImage dest = new BufferedImage(Math.max(bi.getWidth(), bi2
					.getWidth()), bi.getHeight() + bi2.getHeight(),
					BufferedImage.TYPE_INT_ARGB);

		
			Graphics2D g2d = dest.createGraphics();

	


			g2d.setBackground(Color.black);
			//g2d.drawImage(fundo, 0, 0, null);
			g2d.drawImage(bi, 0, 0, null);
			g2d.dispose();


			ImageIO.write(dest, "png", new File("c:/myimage.png"));

		} catch (Exception e) {
			e.printStackTrace();
		}

g2d.setBackground(Color.black);
			g2d.drawImage(bi, 0, 0, null);

g2d.drawImage(fundo, 0, 0, null);
			g2d.drawImage(bi, 0, 0, null);