They mean, "Creates a vertical mirror image by reflecting the pixels around the central x-axis."
Imagick::flopImage
(PECL imagick 2.0.0)
Imagick::flopImage — Creates a horizontal mirror image
Description
bool Imagick::flopImage
( void
)
Creates a horizontal mirror image by reflecting the pixels around the central y-axis.
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
