use std::ffi::{c_int, c_uchar};

#[repr(C)]
pub struct Color {
    red: c_uchar,
    green: c_uchar,
    blue: c_uchar,
    alpha: c_uchar,
}

#[repr(C)]
pub enum ImageFormat {
    RRGBFormat = 0,
    RRGBAFormat,
}

#[repr(C)]
pub struct Image {
    data: *mut c_uchar,
    width: c_int,
    height: c_int,
    format: ImageFormat,
    background: Color,
    ref_count: c_int,
}

pub mod ffi {
    use super::Image;

    unsafe extern "C" {
        pub fn RRetainImage(image: *mut Image) -> *mut Image;
    }
}