/** * Apply this filter to an image. * * @param image The image to be changed by this filter. */ public void apply(OFImage image) { int height = image.getHeight(); int width = image.getWidth(); for (int y = 0; y < height; y++) { for (int x = 0; x < width / 2; x++) { Color left = image.getPixel(x, y); image.setPixel(x, y, image.getPixel(width - 1 - x, y)); image.setPixel(width - 1 - x, y, left); } } }