Type Definition ul_sys::ULSurfaceDefinitionGetRowBytesCallback

type ULSurfaceDefinitionGetRowBytesCallback = Option<unsafe extern "C" fn(user_data: *mut c_void) -> c_uint>;

The callback invoked when a Surface's row bytes is requested.

@note This value is also known as "stride". Usually width * 4.

@param user_data User data pointer uniquely identifying the surface.