test.rs

pub fn image_from_resource(path:&str) -> ImageSurface{
    let pb = Pixbuf::from_resource(path).unwrap();
    let mut pixels = unsafe { pb.get_pixels().to_owned() };
    let pslice = pixels.as_mut_slice();
    ImageSurface::create_for_data(pslice,if pb.get_has_alpha() { Format::ARgb32 } else { Format::Rgb24 },pb.get_width(),pb.get_height(),pb.get_width()).unwrap()
}