Function harfbuzz_sys::hb_font_funcs_set_font_h_extents_func

pub unsafe extern "C" fn hb_font_funcs_set_font_h_extents_func(
    ffuncs: *mut hb_font_funcs_t,
    func: hb_font_get_font_h_extents_func_t,
    user_data: *mut c_void,
    destroy: hb_destroy_func_t
)

hb_font_funcs_set_font_h_extents_func: @ffuncs: A font-function structure @func: (closure user_data) (destroy destroy) (scope notified): The callback function to assign @user_data: Data to pass to @func @destroy: (optional): The function to call when @user_data is not needed anymore

Sets the implementation function for #hb_font_get_font_h_extents_func_t.

Since: 1.1.2