Type Alias GDALMaskFunc 

pub type GDALMaskFunc = Option<unsafe extern "C" fn(pMaskFuncArg: *mut c_void, nBandCount: c_int, eType: Type, nXOff: c_int, nYOff: c_int, nXSize: c_int, nYSize: c_int, papabyImageData: *mut *mut GByte, bMaskIsFloat: c_int, pMask: *mut c_void) -> c_int>;

Aliased Type

pub enum GDALMaskFunc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, i32, u32, i32, i32, i32, i32, *mut *mut u8, i32, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, i32, u32, i32, i32, i32, i32, *mut *mut u8, i32, *mut c_void) -> i32)

Some value of type T.