Type Definition graphicsmagick_sys::PixelIteratorDualModifyCallback

type PixelIteratorDualModifyCallback = Option<unsafe extern "C" fn(mutable_data: *mut c_void, immutable_data: *const c_void, source_image: *const Image, source_pixels: *const PixelPacket, source_indexes: *const IndexPacket, update_image: *mut Image, update_pixels: *mut PixelPacket, update_indexes: *mut IndexPacket, npixels: c_long, exception: *mut ExceptionInfo) -> c_uint>;