pub unsafe extern "C" fn igImFontAtlasUpdateNewFrame(
atlas: *mut ImFontAtlas,
frame_count: c_int,
renderer_has_textures: bool,
)pub unsafe extern "C" fn igImFontAtlasUpdateNewFrame(
atlas: *mut ImFontAtlas,
frame_count: c_int,
renderer_has_textures: bool,
)