Type Definition graphicsmagick_sys::PixelIteratorDualReadCallback

type PixelIteratorDualReadCallback = Option<unsafe extern "C" fn(mutable_data: *mut c_void, immutable_data: *const c_void, first_image: *const Image, first_pixels: *const PixelPacket, first_indexes: *const IndexPacket, second_image: *const Image, second_pixels: *const PixelPacket, second_indexes: *const IndexPacket, npixels: c_long, exception: *mut ExceptionInfo) -> c_uint>;