static BufferedImage scaleImage_nearestNeighbor(BufferedImage before, double scaleX, double scaleY default scaleX) {
  ret scaleImageWithOp(before, scaleX, scaleY, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
}

static BufferedImage scaleImage_nearestNeighbor(double scale, BufferedImage before) {
  ret scaleImage_nearestNeighbor(before, scale);
}