Function libheif_sys::heif_image_handle_get_ispe_width

pub unsafe extern "C" fn heif_image_handle_get_ispe_width(
    handle: *const heif_image_handle
) -> c_int

Get the image width from the ‘ispe’ box. This is the original image size without any transformations applied to it. Do not use this unless you know exactly what you are doing.