(video::ITexture*) scm_to_irr_pointer (img),
(video::ITexture*) scm_to_irr_pointer (pressedimg),
scm_to_bool (is_push_button),
scm_to_bool (use_alpha_channel));
(video::ITexture*) scm_to_irr_pointer (img),
(video::ITexture*) scm_to_irr_pointer (pressedimg),
scm_to_bool (is_push_button),
scm_to_bool (use_alpha_channel));