pub unsafe extern "system" fn GdipDrawImagePointsRectI(
    graphics: *mut GpGraphics,
    image: *mut GpImage,
    points: *const Point,
    count: i32,
    srcx: i32,
    srcy: i32,
    srcwidth: i32,
    srcheight: i32,
    srcunit: Unit,
    imageattributes: *const GpImageAttributes,
    callback: isize,
    callbackdata: *mut c_void,
) -> Status