openslide_get_level_count

openslide_sys::sys

Function openslide_get_level_count 

Source 
pub unsafe extern "C" fn openslide_get_level_count(
    osr: *mut openslide_t,
) -> i32
Expand description

Get the number of levels in the whole slide image.

@param osr The OpenSlide object. @return The number of levels, or -1 if an error occurred. @since 3.3.0