Type Alias WebPProgressHook 

pub type WebPProgressHook = Option<unsafe extern "C" fn(percent: c_int, picture: *const WebPPicture) -> c_int>;

Aliased Type

pub enum WebPProgressHook {
    None,
    Some(unsafe extern "C" fn(i32, *const WebPPicture) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(i32, *const WebPPicture) -> i32)

Some value of type T.