docs: private static BufferedImage createSolid(BufferedImage pOriginal, Color pBackground) {
          // Create a temporary image of same dimension and type
          BufferedImage solid = new BufferedImage(pOriginal.getColorModel(), pOriginal.copyData(null), pOriginal.isAlphaPremultiplied(), null);
          Graphics2D g = solid.createGraphics();
  
          try {
              // Clear in background color
              g.setColor(pBackground);
              g.setComposite(AlphaComposite.DstOver);// Paint "underneath"
              g.fillRect(0, 0, pOriginal.getWidth(), pOriginal.getHeight());
          }
          finally {
              g.dispose();
          }
  
          return solid;
      }