Apply a bit mask. \n
* The same as imProcessBitwiseOp but the second image is replaced by a fixed mask. \n
* Images must have data type IM_BYTE. It is valid only for AND, OR and XOR. Can be done in-place.
*
* \verbatim im.ProcessBitMask(src_image: imImage, dst_image: imImage, mask: string, op: number) [in Lua 5] \endverbatim
* \verbatim im.ProcessBitMaskNew(src_image: imImage, mask: string, op: number) -> new_image: imImage [in Lua 5] \endverbatim
* In Lua, mask is a string with 0s and 1s, for example: "11001111".
* \ingroup logic
Apply a bit mask. \n * The same as imProcessBitwiseOp but the second image is replaced by a fixed mask. \n * Images must have data type IM_BYTE. It is valid only for AND, OR and XOR. Can be done in-place. * * \verbatim im.ProcessBitMask(src_image: imImage, dst_image: imImage, mask: string, op: number) [in Lua 5] \endverbatim * \verbatim im.ProcessBitMaskNew(src_image: imImage, mask: string, op: number) -> new_image: imImage [in Lua 5] \endverbatim * In Lua, mask is a string with 0s and 1s, for example: "11001111". * \ingroup logic