A negative effect. Uses \ref imProcessToneGamut with IM_GAMUT_INVERT for non MAP images. \n
* Supports all color spaces and all data types except complex. \n
* Can be done in-place.
*
* \verbatim im.ProcessNegative(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim
* \verbatim im.ProcessNegativeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim
* \ingroup tonegamut
A negative effect. Uses \ref imProcessToneGamut with IM_GAMUT_INVERT for non MAP images. \n * Supports all color spaces and all data types except complex. \n * Can be done in-place. * * \verbatim im.ProcessNegative(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim * \verbatim im.ProcessNegativeNew(src_image: imImage) -> new_image: imImage [in Lua 5] \endverbatim * \ingroup tonegamut