+ ValueBase::Type id(value.get_type());
+
+ switch(id)
+ {
+ case ValueBase::TYPE_ANGLE:
+ set_link("lhs",ValueNode_Const::create(value.get(Angle())));
+ set_link("rhs",ValueNode_Const::create(Angle::deg(0)));
+ break;
+ case ValueBase::TYPE_COLOR:
+ set_link("lhs",ValueNode_Const::create(value.get(Color())));
+ set_link("rhs",ValueNode_Const::create(Color(0,0,0,0)));
+ break;
+ case ValueBase::TYPE_INTEGER:
+ set_link("lhs",ValueNode_Const::create(value.get(int())));
+ set_link("rhs",ValueNode_Const::create(int(0)));
+ break;
+ case ValueBase::TYPE_REAL:
+ set_link("lhs",ValueNode_Const::create(value.get(Real())));
+ set_link("rhs",ValueNode_Const::create(Real(0)));
+ break;
+ case ValueBase::TYPE_TIME:
+ set_link("lhs",ValueNode_Const::create(value.get(Time())));
+ set_link("rhs",ValueNode_Const::create(Time(0)));
+ break;
+ case ValueBase::TYPE_VECTOR:
+ set_link("lhs",ValueNode_Const::create(value.get(Vector())));
+ set_link("rhs",ValueNode_Const::create(Vector(0,0)));
+ break;
+ default:
+ assert(0);
+ throw runtime_error("synfig::ValueNode_Subtract:Bad type "+ValueBase::type_name(id));
+ }
+
+ assert(get_lhs()->get_type()==id);
+ assert(get_rhs()->get_type()==id);
+ assert(get_type()==id);
+
+ DCAST_HACK_ENABLE();