Type Alias VipsRegionWrite

pub type VipsRegionWrite = Option<unsafe extern "C" fn(region: *mut VipsRegion, area: *mut VipsRect, a: *mut c_void) -> c_int>;

Aliased Type

enum VipsRegionWrite {
    None,
    Some(unsafe extern "C" fn(*mut _VipsRegion, *mut _VipsRect, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _VipsRegion, *mut _VipsRect, *mut c_void) -> i32)

Some value of type T.