Function ImFontAtlas_AddFontFromMemoryTTF

pub unsafe extern "C" fn ImFontAtlas_AddFontFromMemoryTTF(
    self_: *mut ImFontAtlas,
    font_data: *mut c_void,
    font_data_size: i32,
    size_pixels: f32,
    font_cfg: *const ImFontConfig,
    glyph_ranges: *const u16,
) -> *mut ImFont