Rotates the image in 90 degrees counterclockwise or clockwise. Swap columns by lines. \n
* Images must be of the same type. Target width and height must be source height and width. \n
* Direction can be clockwise (1) or counter clockwise (-1).
*
* \verbatim im.ProcessRotate90(src_image: imImage, dst_image: imImage, dir_clockwise: boolean) [in Lua 5] \endverbatim
* \verbatim im.ProcessRotate90New(image: imImage, dir_clockwise: boolean) -> new_image: imImage [in Lua 5] \endverbatim
* \ingroup geom
Rotates the image in 90 degrees counterclockwise or clockwise. Swap columns by lines. \n * Images must be of the same type. Target width and height must be source height and width. \n * Direction can be clockwise (1) or counter clockwise (-1). * * \verbatim im.ProcessRotate90(src_image: imImage, dst_image: imImage, dir_clockwise: boolean) [in Lua 5] \endverbatim * \verbatim im.ProcessRotate90New(image: imImage, dir_clockwise: boolean) -> new_image: imImage [in Lua 5] \endverbatim * \ingroup geom