Method flip

/**
 * Method to flip the current image.
 *
 * @param   integer  $mode       The flip mode for flipping the image {@link http://php.net/imageflip#refsect1-function.imageflip-parameters}
 * @param   boolean  $createNew  If true the current image will be cloned, flipped and returned; else
 *                               the current image will be flipped and returned.
 *
 * @return  Image
 *
 * @since   3.4.2
 * @throws  \LogicException
 */
public function flip($mode, $createNew = true)
{
    // Create the new truecolor image handle.
    $handle = imagecreatetruecolor($this->getWidth(), $this->getHeight());
    // Copy the image
    imagecopy($handle, $this->getHandle(), 0, 0, 0, 0, $this->getWidth(), $this->getHeight());
    // Flip the image
    if (!imageflip($handle, $mode)) {
        throw new \LogicException('Unable to flip the image.');
    }
    // If we are resizing to a new image, create a new Image object.
    if ($createNew) {
        // @codeCoverageIgnoreStart
        return new static($handle);
        // @codeCoverageIgnoreEnd
    }
    // Free the memory from the current handle
    $this->destroy();
    // Swap out the current handle for the new image handle.
    $this->handle = $handle;
    return $this;
}