+ method set_t1_opaque_mode = MathView.set_t1_opaque_mode obj
+ method get_t1_opaque_mode = MathView.get_t1_opaque_mode obj
+ method set_t1_anti_aliased_mode = MathView.set_t1_anti_aliased_mode obj
+ method get_t1_anti_aliased_mode = MathView.get_t1_anti_aliased_mode obj